| 1 | Astrophysics | 3,220 | 278.9K | 29 | 26 |
| 2 | Astronomy | 2,899 | 217.0K | 29 | 21 |
| 3 | Physics | 2,304 | 206.4K | 172 | 146 |
| 4 | Science | 1,808 | 149.1K | 156 | 177 |
| 5 | Biology | 1,603 | 148.9K | 179 | 182 |
| 6 | Biochemistry | 3,036 | 137.9K | 71 | 86 |
| 7 | Chemistry | 2,427 | 116.1K | 137 | 204 |
| 8 | Spectrum analysis | 1,160 | 97.2K | 63 | 47 |
| 9 | Medicine | 1,775 | 95.1K | 154 | 171 |
| 10 | Molecular Biology | 1,680 | 89.3K | 112 | 149 |
| 11 | Nuclear Physics | 1,846 | 74.7K | 90 | 96 |
| 12 | Natural history | 299 | 65.3K | 173 | 185 |
| 13 | Neurology | 1,119 | 60.0K | 133 | 164 |
| 14 | Biophysics | 1,445 | 59.6K | 45 | 40 |
| 15 | Cytology | 611 | 53.1K | 137 | 129 |
| 16 | Research | 1,258 | 47.1K | 153 | 169 |
| 17 | Cell Biology | 475 | 46.7K | 159 | 140 |
| 18 | Endocrinology | 615 | 42.0K | 71 | 72 |
| 19 | Metabolic diseases | 495 | 41.1K | 38 | 39 |
| 20 | Metabolism | 621 | 40.3K | 38 | 50 |
| 21 | Physiology | 527 | 33.7K | 128 | 87 |
| 22 | Quantum Gravity | 549 | 30.3K | 102 | 84 |
| 23 | nucleic acids | 137 | 29.9K | 114 | 36 |
| 24 | Psychiatry | 409 | 28.8K | 176 | 128 |
| 25 | Human genetics | 200 | 26.6K | 128 | 197 |
| 26 | Psychophysiology | 638 | 26.5K | 55 | 89 |
| 27 | Ecology | 485 | 25.6K | 296 | 339 |
| 28 | Medical genetics | 366 | 25.2K | 96 | 98 |
| 29 | Diabetes | 333 | 23.9K | 40 | 43 |
| 30 | Materials | 682 | 23.7K | 235 | 314 |
| 31 | Virology | 185 | 23.5K | 244 | 171 |
| 32 | Pharmacology | 698 | 22.4K | 145 | 162 |
| 33 | Microbiology | 405 | 22.3K | 393 | 381 |
| 34 | Hematology | 550 | 22.1K | 83 | 117 |
| 35 | Liver diseases | 219 | 21.8K | 36 | 36 |
| 36 | Environment | 321 | 21.6K | 241 | 258 |
| 37 | Diabetes mellitus | 282 | 21.6K | 41 | 44 |
| 38 | Psychology | 704 | 21.0K | 115 | 175 |
| 39 | Hypertension | 280 | 20.4K | 70 | 84 |
| 40 | Clinical Chemistry | 593 | 19.8K | 10 | 29 |
| 41 | Hydrology | 382 | 19.5K | 32 | 31 |
| 42 | Botany | 413 | 19.4K | 180 | 193 |
| 43 | Nutrition | 398 | 19.3K | 115 | 102 |
| 44 | Automation | 341 | 18.5K | 45 | 60 |
| 45 | Cancer | 416 | 18.4K | 108 | 159 |
| 46 | Cell death | 138 | 18.4K | 41 | 24 |
| 47 | Condensed Matter | 316 | 18.3K | 337 | 214 |
| 48 | Cardiovascular system | 171 | 18.2K | 117 | 101 |
| 49 | Pharmaceutical Chemistry | 523 | 18.1K | 51 | 89 |
| 50 | Cell differentiation | 118 | 18.0K | 137 | 70 |
| 51 | Nanotechnology | 387 | 17.8K | 282 | 314 |
| 52 | Behavior | 354 | 17.6K | 104 | 118 |
| 53 | Cognition | 405 | 17.4K | 16 | 43 |
| 54 | Pollution | 270 | 17.3K | 337 | 306 |
| 55 | Biotechnology | 308 | 16.7K | 311 | 319 |
| 56 | Mental Disorders | 138 | 16.6K | 246 | 113 |
| 57 | Biomedical Engineering | 345 | 16.4K | 185 | 130 |
| 58 | Technology | 303 | 16.3K | 131 | 57 |
| 59 | Catalysis | 406 | 16.2K | 165 | 227 |
| 60 | Neuropsychology | 408 | 15.7K | 21 | 37 |
| 61 | Telecommunication | 224 | 15.6K | 126 | 84 |
| 62 | Genetics | 265 | 15.0K | 214 | 245 |
| 63 | Social Psychology | 263 | 14.9K | 87 | 100 |
| 64 | Nervous system | 417 | 14.7K | 33 | 92 |
| 65 | Materials Science | 371 | 14.5K | 227 | 265 |
| 66 | Mathematical Physics | 324 | 14.1K | 100 | 76 |
| 67 | Geophysics | 419 | 13.9K | 214 | 250 |
| 68 | Brain | 299 | 13.8K | 130 | 140 |
| 69 | Water | 255 | 13.7K | 64 | 94 |
| 70 | Fracture mechanics | 257 | 13.6K | 21 | 5 |
| 71 | Statistical physics | 506 | 13.3K | 136 | 163 |
| 72 | Neurophysiology | 282 | 13.2K | 170 | 213 |
| 73 | Pathology | 284 | 12.9K | 68 | 89 |
| 74 | Animal Behavior | 236 | 12.9K | 97 | 91 |
| 75 | Chemical Engineering | 343 | 12.9K | 281 | 315 |
| 76 | Polymers | 367 | 12.8K | 284 | 262 |
| 77 | Aging | 343 | 12.7K | 78 | 89 |
| 78 | Electronics | 228 | 12.6K | 211 | 110 |
| 79 | Geriatrics | 312 | 12.5K | 105 | 101 |
| 80 | Developmental Biology | 163 | 12.4K | 141 | 129 |
| 81 | Power Electronics | 205 | 12.4K | 26 | 31 |
| 82 | Genomics | 235 | 12.1K | 107 | 82 |
| 83 | Biocompatible Materials | 243 | 12.0K | 269 | 294 |
| 84 | water supply | 209 | 11.8K | 13 | 20 |
| 85 | Autoimmunity | 190 | 11.7K | 4 | 5 |
| 86 | Mental illness | 94 | 11.7K | 193 | 92 |
| 87 | Ethology | 193 | 11.3K | 72 | 72 |
| 88 | Immunology | 176 | 11.3K | 319 | 277 |
| 89 | Composite Materials | 225 | 11.2K | 129 | 115 |
| 90 | Geology | 292 | 11.1K | 184 | 191 |
| 91 | Geomorphology | 201 | 11.0K | 11 | 12 |
| 92 | free radicals | 124 | 11.0K | 35 | 23 |
| 93 | Toxicology | 331 | 11.0K | 169 | 208 |
| 94 | Mathematics | 1,048 | 11.0K | 104 | 189 |
| 95 | Electrochemistry | 558 | 10.9K | 101 | 162 |
| 96 | human behavior | 155 | 10.9K | 148 | 149 |
| 97 | Environmental Health | 293 | 10.8K | 257 | 356 |
| 98 | Bioenergetics | 183 | 10.5K | 6 | 5 |
| 99 | transport vesicles | 4 | 10.5K | 155 | 126 |
| 100 | Surgery | 115 | 10.4K | 152 | 209 |
| 101 | Energy metabolism | 172 | 10.2K | 5 | 5 |
| 102 | polymerization | 266 | 10.1K | 290 | 239 |
| 103 | Optics | 326 | 9.9K | 289 | 201 |
| 104 | Perception | 341 | 9.8K | 46 | 64 |
| 105 | Pediatrics | 257 | 9.8K | 107 | 145 |
| 106 | Diet | 168 | 9.6K | 98 | 109 |
| 107 | Solid State Physics | 368 | 9.5K | 318 | 354 |
| 108 | Computational Biology | 213 | 9.4K | 83 | 145 |
| 109 | Cell metabolism | 32 | 9.0K | 67 | 38 |
| 110 | Homeostasis | 22 | 8.9K | 75 | 38 |
| 111 | Engineering | 245 | 8.9K | 171 | 90 |
| 112 | cell membrane | 155 | 8.8K | 6 | 5 |
| 113 | environmental pollution | 188 | 8.8K | 296 | 284 |
| 114 | Wireless Communication Systems | 225 | 8.8K | 102 | 103 |
| 115 | Energy Policy | 143 | 8.6K | 125 | 97 |
| 116 | Europe | 359 | 8.6K | 74 | 76 |
| 117 | Critical Care | 106 | 8.4K | 129 | 137 |
| 118 | Critical Care Medicine | 104 | 8.4K | 136 | 137 |
| 119 | Nanostructured Materials | 221 | 8.4K | 194 | 225 |
| 120 | Artificial Intelligence | 144 | 8.3K | 269 | 188 |
| 120 | Mineralogy | 214 | 8.3K | 30 | 52 |
| 122 | Nuclear Engineering | 523 | 8.2K | 23 | 24 |
| 123 | Statistics | 333 | 8.2K | 83 | 132 |
| 124 | arthritis | 95 | 8.1K | 110 | 72 |
| 125 | Cognitive Science | 95 | 8.1K | 79 | 65 |
| 126 | Bioinformatics | 181 | 8.0K | 71 | 136 |
| 127 | Economics | 329 | 7.9K | 222 | 264 |
| 128 | Petrology | 176 | 7.9K | 28 | 56 |
| 129 | Obesity | 191 | 7.9K | 84 | 102 |
| 130 | Educational Psychology | 198 | 7.8K | 38 | 58 |
| 131 | Geochemistry | 270 | 7.8K | 85 | 189 |
| 132 | Leukemia | 124 | 7.8K | 40 | 64 |
| 133 | nanoscience | 154 | 7.7K | 210 | 250 |
| 134 | computer networks | 180 | 7.6K | 95 | 69 |
| 135 | Renewable Energy Sources | 116 | 7.5K | 148 | 215 |
| 136 | animals | 396 | 7.4K | 1 | 1 |
| 137 | Cardiovascular diseases | 197 | 7.3K | 31 | 33 |
| 138 | Physical Chemistry | 159 | 7.2K | 129 | 137 |
| 139 | Child Development | 158 | 7.2K | 136 | 142 |
| 140 | Bioengineering | 133 | 7.2K | 425 | 428 |
| 141 | Oncology | 121 | 7.1K | 160 | 259 |
| 142 | management | 121 | 7.1K | 353 | 349 |
| 143 | Urology | 149 | 7.1K | 118 | 93 |
| 144 | proteins | 259 | 7.0K | 29 | 82 |
| 145 | Signal Processing | 193 | 7.0K | 174 | 205 |
| 146 | Surface Chemistry | 228 | 6.8K | 272 | 321 |
| 147 | Child psychology | 129 | 6.8K | 130 | 147 |
| 148 | genome | 100 | 6.7K | 100 | 163 |
| 149 | drug therapy | 208 | 6.7K | 102 | 126 |
| 150 | Biodiversity conservation | 57 | 6.6K | 245 | 203 |
| 151 | Colloids | 192 | 6.5K | 336 | 381 |
| 152 | Cytogenetics | 80 | 6.5K | 128 | 124 |
| 153 | United States | 204 | 6.4K | 397 | 412 |
| 154 | Nuclear Fusion | 398 | 6.4K | 18 | 22 |
| 155 | Bioorganic chemistry | 180 | 6.4K | 115 | 153 |
| 156 | Oxidation-reduction | 63 | 6.1K | 29 | 17 |
| 157 | Organic Chemistry | 160 | 6.1K | 250 | 206 |
| 158 | Rheumatology | 79 | 6.0K | 98 | 65 |
| 159 | personality | 132 | 6.0K | 89 | 136 |
| 160 | Production Management | 69 | 6.0K | 78 | 67 |
| 161 | Neurochemistry | 132 | 6.0K | 228 | 216 |
| 162 | Biomass Energy | 94 | 6.0K | 187 | 177 |
| 163 | Communication | 52 | 5.9K | 366 | 119 |
| 164 | Ceramic materials | 150 | 5.8K | 22 | 14 |
| 165 | Nonlinear Dynamics | 205 | 5.8K | 122 | 139 |
| 166 | Cerebral cortex | 159 | 5.8K | 21 | 50 |
| 167 | Environmental Policy | 115 | 5.7K | 237 | 276 |
| 168 | Hemodynamics | 94 | 5.7K | 45 | 56 |
| 169 | Medical Physics | 90 | 5.7K | 216 | 111 |
| 170 | Climate change | 28 | 5.7K | 249 | 188 |
| 170 | Eutrophication | 28 | 5.7K | 240 | 186 |
| 172 | Analytical Chemistry | 229 | 5.7K | 344 | 479 |
| 173 | Reproduction | 146 | 5.7K | 163 | 146 |
| 174 | Information Technology | 50 | 5.6K | 290 | 91 |
| 175 | biological evolution | 142 | 5.6K | 160 | 272 |
| 176 | Evolution | 155 | 5.6K | 120 | 228 |
| 177 | United Kingdom | 115 | 5.6K | 93 | 97 |
| 178 | Ceramics | 87 | 5.6K | 108 | 52 |
| 179 | Computer Science | 68 | 5.5K | 144 | 15 |
| 180 | Light | 97 | 5.5K | 27 | 82 |
| 181 | Photochemistry | 154 | 5.5K | 14 | 18 |
| 181 | Transplantation | 99 | 5.5K | 99 | 95 |
| 183 | Learning | 113 | 5.5K | 84 | 89 |
| 184 | Process Control | 66 | 5.5K | 26 | 19 |
| 185 | Neurobiology | 97 | 5.5K | 189 | 205 |
| 186 | Environmental monitoring | 124 | 5.4K | 295 | 329 |
| 187 | Public Health | 219 | 5.4K | 412 | 517 |
| 188 | Medical Laboratory Science | 60 | 5.3K | 260 | 141 |
| 189 | Bioinorganic chemistry | 175 | 5.3K | 16 | 22 |
| 190 | Planets | 110 | 5.3K | 202 | 193 |
| 191 | Anatomy | 144 | 5.3K | 133 | 174 |
| 192 | Education | 121 | 5.3K | 421 | 242 |
| 193 | Developmental Psychology | 107 | 5.3K | 60 | 76 |
| 194 | Neurons | 18 | 5.3K | 198 | 154 |
| 195 | Optical materials | 98 | 5.2K | 296 | 263 |
| 196 | Plant physiology | 131 | 5.1K | 164 | 228 |
| 197 | Marine Biology | 163 | 5.1K | 180 | 205 |
| 198 | Memory | 168 | 5.1K | 115 | 154 |
| 199 | Photonics | 79 | 5.1K | 266 | 202 |
| 200 | Signal Transduction | 66 | 5.1K | 107 | 84 |
| 201 | Glass | 62 | 5.1K | 117 | 53 |
| 202 | Earth Sciences | 161 | 5.1K | 224 | 307 |
| 203 | Cognitive neuroscience | 101 | 5.0K | 68 | 126 |
| 204 | Membranes | 110 | 5.0K | 146 | 166 |
| 205 | pottery | 55 | 5.0K | 128 | 53 |
| 205 | Plants | 98 | 5.0K | 187 | 231 |
| 207 | Attention | 177 | 4.9K | 87 | 110 |
| 208 | Molecular Genetics | 67 | 4.9K | 236 | 184 |
| 209 | Soil Science | 95 | 4.9K | 155 | 108 |
| 210 | Bacteriology | 102 | 4.9K | 188 | 230 |
| 210 | plant molecular biology | 76 | 4.9K | 186 | 227 |
| 212 | Environmental Management | 116 | 4.9K | 173 | 220 |
| 213 | gene mapping | 90 | 4.9K | 140 | 165 |
| 214 | Operations Research | 133 | 4.8K | 132 | 137 |
| 215 | Manufacturing Processes | 191 | 4.8K | 93 | 124 |
| 216 | radioactive waste | 92 | 4.8K | 6 | 12 |
| 216 | industrial waste | 92 | 4.8K | 6 | 12 |
| 216 | Hazardous waste | 92 | 4.8K | 6 | 13 |
| 219 | Health | 117 | 4.8K | 144 | 120 |
| 220 | Histology | 150 | 4.7K | 71 | 127 |
| 221 | Chromosome mapping | 82 | 4.6K | 126 | 111 |
| 222 | Epidemiology | 192 | 4.6K | 249 | 348 |
| 223 | Biochemical Engineering | 101 | 4.6K | 392 | 565 |
| 224 | Environmental Engineering | 110 | 4.6K | 360 | 425 |
| 224 | Visual Perception | 164 | 4.6K | 91 | 111 |
| 226 | pain | 89 | 4.6K | 124 | 138 |
| 227 | livestock | 311 | 4.5K | 1 | 2 |
| 228 | Agricultural Chemistry | 89 | 4.5K | 234 | 171 |
| 229 | Radio | 31 | 4.5K | 406 | 158 |
| 230 | mass transfer | 73 | 4.4K | 176 | 113 |
| 231 | Embryology | 70 | 4.4K | 216 | 203 |
| 232 | Earthquake Engineering | 99 | 4.4K | 136 | 110 |
| 233 | Immunity | 57 | 4.4K | 314 | 364 |
| 234 | Food | 138 | 4.3K | 199 | 258 |
| 235 | Obstetrics | 121 | 4.3K | 218 | 193 |
| 236 | soil microbiology | 58 | 4.3K | 188 | 170 |
| 237 | Infertility | 79 | 4.3K | 79 | 74 |
| 237 | fertility | 79 | 4.3K | 90 | 79 |
| 239 | Antioxidants | 52 | 4.3K | 27 | 27 |
| 240 | Sports Medicine | 125 | 4.2K | 223 | 228 |
| 241 | Muscles | 104 | 4.2K | 20 | 37 |
| 242 | Growth | 49 | 4.2K | 199 | 182 |
| 243 | Water pollution | 105 | 4.2K | 260 | 315 |
| 244 | Lung Transplantation | 46 | 4.2K | 48 | 27 |
| 244 | Heart transplantation | 46 | 4.2K | 48 | 27 |
| 246 | Allergy | 57 | 4.2K | 153 | 191 |
| 247 | energy conservation | 77 | 4.1K | 190 | 233 |
| 248 | Solar System | 85 | 4.1K | 85 | 77 |
| 249 | Building Materials | 80 | 4.0K | 192 | 185 |
| 250 | Engineering Mathematics | 105 | 4.0K | 102 | 57 |
| 251 | Hydraulic Engineering | 108 | 4.0K | 58 | 47 |
| 252 | Hormones | 110 | 3.9K | 53 | 76 |
| 253 | Molecular ecology | 51 | 3.9K | 145 | 141 |
| 254 | Meteorology | 56 | 3.9K | 419 | 311 |
| 255 | peptides | 225 | 3.9K | 1 | 2 |
| 256 | Plant diseases | 101 | 3.9K | 184 | 137 |
| 257 | Disease | 18 | 3.9K | 34 | 102 |
| 258 | Thrombosis | 134 | 3.8K | 45 | 98 |
| 259 | Natural resources | 93 | 3.8K | 16 | 26 |
| 260 | Pediatric Neurology | 56 | 3.8K | 119 | 146 |
| 261 | Vocational guidance | 57 | 3.8K | 120 | 72 |
| 262 | Plant cells | 47 | 3.8K | 238 | 286 |
| 263 | Heat Exchangers | 104 | 3.7K | 49 | 57 |
| 264 | Control Theory | 174 | 3.6K | 64 | 117 |
| 265 | Population Genetics | 43 | 3.6K | 214 | 149 |
| 266 | cell physiology | 62 | 3.6K | 190 | 198 |
| 267 | Autoimmune diseases | 69 | 3.6K | 15 | 18 |
| 268 | Ophthalmology | 110 | 3.6K | 170 | 195 |
| 269 | Stem cells | 78 | 3.5K | 134 | 137 |
| 270 | System analysis | 126 | 3.5K | 115 | 132 |
| 271 | Entomology | 111 | 3.5K | 194 | 138 |
| 272 | drugs | 130 | 3.4K | 98 | 137 |
| 273 | Electrochemical Analysis | 137 | 3.4K | 41 | 74 |
| 274 | Autoantibodies | 65 | 3.4K | 14 | 18 |
| 275 | diseases | 9 | 3.4K | 113 | 120 |
| 276 | Hydrodynamics | 84 | 3.4K | 16 | 19 |
| 277 | Image Processing | 107 | 3.4K | 193 | 262 |
| 278 | gene therapy | 64 | 3.3K | 89 | 91 |
| 279 | Organometallic chemistry | 136 | 3.3K | 43 | 32 |
| 280 | Industrial Engineering | 104 | 3.3K | 120 | 139 |
| 281 | Engineering Geology | 68 | 3.3K | 148 | 111 |
| 282 | food technology | 118 | 3.3K | 203 | 256 |
| 283 | Environmental Geology | 73 | 3.3K | 80 | 66 |
| 284 | rehabilitation | 62 | 3.2K | 283 | 208 |
| 285 | Immunopathology | 97 | 3.2K | 81 | 106 |
| 286 | Neuromuscular diseases | 78 | 3.2K | 31 | 33 |
| 287 | Paleoecology | 77 | 3.2K | 66 | 68 |
| 288 | protein | 75 | 3.1K | 85 | 106 |
| 289 | Neurosurgery | 64 | 3.1K | 67 | 54 |
| 290 | Therapeutics | 72 | 3.1K | 203 | 197 |
| 291 | miniaturization | 49 | 3.1K | 316 | 319 |
| 292 | Drug delivery systems | 36 | 3.1K | 241 | 139 |
| 293 | environmental protection | 84 | 3.1K | 359 | 426 |
| 294 | Robotics | 107 | 3.1K | 97 | 137 |
| 295 | Animal genetics | 110 | 3.1K | 32 | 32 |
| 296 | Eating Disorders | 132 | 3.1K | 29 | 62 |
| 297 | Molecular structure | 89 | 3.0K | 190 | 233 |
| 298 | Parenteral nutrition | 48 | 3.0K | 110 | 110 |
| 299 | Oxidative stress | 43 | 3.0K | 35 | 41 |
| 300 | Sports | 80 | 3.0K | 285 | 230 |
| 301 | Solid State Chemistry | 125 | 3.0K | 203 | 202 |
| 302 | Environmental Psychology | 33 | 3.0K | 14 | 25 |
| 303 | Production Engineering | 132 | 3.0K | 100 | 99 |
| 303 | Adolescent | 82 | 3.0K | 210 | 190 |
| 305 | Molecular evolution | 72 | 2.9K | 121 | 195 |
| 306 | Respiration | 78 | 2.9K | 158 | 175 |
| 307 | Enteral nutrition | 42 | 2.9K | 77 | 87 |
| 308 | Paleoclimatology | 65 | 2.9K | 114 | 102 |
| 309 | Paleogeography | 64 | 2.9K | 64 | 67 |
| 310 | Vaccines | 97 | 2.9K | 132 | 152 |
| 311 | Feeding and Eating Disorders | 127 | 2.9K | 27 | 61 |
| 312 | Medical Oncology | 75 | 2.9K | 204 | 226 |
| 313 | Genetic engineering | 63 | 2.9K | 233 | 243 |
| 314 | Medical Microbiology | 70 | 2.9K | 321 | 372 |
| 315 | rare diseases | 69 | 2.9K | 14 | 12 |
| 316 | Molecules | 86 | 2.9K | 165 | 140 |
| 317 | Agriculture | 67 | 2.8K | 247 | 211 |
| 318 | Inflammation | 27 | 2.8K | 208 | 59 |
| 319 | Psycholinguistics | 96 | 2.8K | 68 | 119 |
| 319 | Microelectronics | 77 | 2.8K | 218 | 306 |
| 321 | Electrical Engineering | 162 | 2.8K | 250 | 218 |
| 322 | Chemotherapy | 77 | 2.8K | 114 | 93 |
| 323 | Molecular Microbiology | 22 | 2.8K | 265 | 169 |
| 324 | Oncogenes | 38 | 2.7K | 217 | 229 |
| 325 | Child | 124 | 2.7K | 175 | 232 |
| 326 | Social behavior | 72 | 2.7K | 103 | 149 |
| 327 | Parasitology | 65 | 2.7K | 303 | 180 |
| 328 | natural disasters | 58 | 2.7K | 58 | 42 |
| 329 | Animal breeding | 110 | 2.7K | 36 | 42 |
| 330 | Medical Technology | 80 | 2.7K | 63 | 64 |
| 330 | fusion reactors | 249 | 2.7K | 13 | 17 |
| 332 | scientific societies | 52 | 2.7K | 50 | 26 |
| 333 | Diagnostic Imaging | 115 | 2.7K | 124 | 210 |
| 334 | Sociology | 92 | 2.7K | 374 | 380 |
| 335 | Biodiversity | 85 | 2.7K | 191 | 301 |
| 336 | individual differences | 56 | 2.7K | 2 | 3 |
| 337 | risk factors | 88 | 2.6K | 18 | 37 |
| 338 | Forest Ecology | 65 | 2.6K | 100 | 106 |
| 339 | Regional Planning | 81 | 2.6K | 122 | 126 |
| 340 | Animal Nutrition | 94 | 2.6K | 28 | 20 |
| 341 | Genetic disorders | 47 | 2.6K | 41 | 16 |
| 342 | Mass Spectrometry | 135 | 2.6K | 15 | 82 |
| 343 | Ocean Engineering | 71 | 2.6K | 242 | 201 |
| 344 | Geodynamics | 64 | 2.5K | 87 | 113 |
| 345 | viruses | 56 | 2.5K | 242 | 286 |
| 346 | software | 65 | 2.5K | 15 | 29 |
| 347 | Soil biology | 32 | 2.5K | 202 | 171 |
| 348 | Environmental Chemistry | 35 | 2.5K | 388 | 381 |
| 349 | Zoology | 120 | 2.5K | 224 | 287 |
| 350 | Proteome | 46 | 2.4K | 146 | 151 |
| 351 | Nanostructures | 29 | 2.4K | 466 | 281 |
| 352 | Data Mining | 28 | 2.4K | 123 | 78 |
| 353 | violence | 24 | 2.3K | 267 | 86 |
| 354 | Information Theory | 90 | 2.3K | 108 | 159 |
| 355 | Electrophysiology | 76 | 2.3K | 73 | 58 |
| 356 | Parasitic Diseases | 57 | 2.3K | 223 | 197 |
| 357 | Teaching | 40 | 2.3K | 320 | 164 |
| 358 | mathematical analysis | 198 | 2.3K | 85 | 162 |
| 359 | Neural circuitry | 63 | 2.3K | 172 | 216 |
| 360 | ecosystem | 45 | 2.3K | 190 | 201 |
| 361 | Schizophrenia | 50 | 2.2K | 153 | 163 |
| 362 | Clinical Biochemistry | 54 | 2.2K | 91 | 88 |
| 363 | adolescence | 50 | 2.2K | 125 | 120 |
| 364 | human development | 52 | 2.2K | 75 | 91 |
| 365 | Sleep | 61 | 2.2K | 198 | 191 |
| 366 | Hemostasis | 111 | 2.2K | 11 | 24 |
| 367 | Genetic therapy | 48 | 2.2K | 134 | 135 |
| 368 | Archaeology | 101 | 2.2K | 113 | 128 |
| 369 | enzymes | 51 | 2.2K | 169 | 146 |
| 370 | Quality Control | 65 | 2.2K | 96 | 100 |
| 371 | Carbon | 37 | 2.2K | 199 | 233 |
| 372 | Aggression | 15 | 2.1K | 142 | 28 |
| 373 | Learning disabilities | 45 | 2.1K | 125 | 68 |
| 374 | Gerontology | 56 | 2.1K | 309 | 211 |
| 375 | Structural Engineering | 67 | 2.1K | 242 | 229 |
| 376 | Green Chemistry | 50 | 2.1K | 283 | 355 |
| 376 | Numerical Analysis | 120 | 2.1K | 118 | 186 |
| 378 | vascular diseases | 36 | 2.1K | 130 | 149 |
| 379 | Sleep Disorders | 59 | 2.1K | 208 | 196 |
| 380 | Aquaculture | 50 | 2.1K | 234 | 181 |
| 381 | Nuclear Medicine | 83 | 2.1K | 79 | 116 |
| 382 | Multimedia Systems | 56 | 2.1K | 175 | 107 |
| 383 | Adolescent Psychology | 49 | 2.1K | 94 | 88 |
| 384 | Fluid Mechanics | 71 | 2.1K | 162 | 179 |
| 385 | infection | 66 | 2.1K | 178 | 249 |
| 386 | Speech Disorders | 57 | 2.0K | 157 | 134 |
| 387 | Animal ecology | 69 | 2.0K | 129 | 188 |
| 388 | actuators | 61 | 2.0K | 304 | 341 |
| 388 | transducers | 61 | 2.0K | 304 | 341 |
| 390 | Quantum theory | 66 | 2.0K | 76 | 64 |
| 391 | Emergency Medicine | 105 | 2.0K | 92 | 108 |
| 392 | Digestive system diseases | 59 | 2.0K | 94 | 73 |
| 393 | Microbial Ecology | 52 | 2.0K | 420 | 557 |
| 394 | Forest Management | 57 | 2.0K | 113 | 125 |
| 395 | Algebra | 195 | 2.0K | 15 | 35 |
| 396 | Steroids | 79 | 2.0K | 42 | 70 |
| 397 | amino acids | 82 | 2.0K | 3 | 9 |
| 398 | Computer Vision | 28 | 2.0K | 249 | 202 |
| 399 | economic policy | 85 | 1.9K | 220 | 207 |
| 400 | psychotherapy | 36 | 1.9K | 300 | 259 |
| 401 | Virulence | 30 | 1.9K | 271 | 296 |
| 402 | Peptide | 112 | 1.9K | 2 | 4 |
| 403 | Vision | 68 | 1.9K | 72 | 114 |
| 404 | Plant Ecology | 56 | 1.9K | 278 | 382 |
| 405 | Nanoparticles | 46 | 1.9K | 272 | 274 |
| 406 | Dermatology | 53 | 1.9K | 290 | 249 |
| 407 | internet | 29 | 1.9K | 332 | 203 |
| 408 | behavioral medicine | 40 | 1.9K | 219 | 249 |
| 409 | Internet of Things | 28 | 1.9K | 248 | 159 |
| 410 | Food Microbiology | 60 | 1.9K | 98 | 182 |
| 411 | alcoholism | 47 | 1.9K | 263 | 239 |
| 412 | Speech | 45 | 1.9K | 138 | 104 |
| 413 | Systems Biology | 60 | 1.9K | 141 | 150 |
| 414 | Photobiology | 59 | 1.8K | 45 | 71 |
| 415 | Emergency Medical Services | 94 | 1.8K | 10 | 12 |
| 416 | Economic History | 82 | 1.8K | 411 | 407 |
| 417 | Semiconductors | 104 | 1.8K | 144 | 159 |
| 418 | Plasma devices | 15 | 1.8K | 103 | 38 |
| 419 | Community Psychology | 45 | 1.8K | 48 | 81 |
| 420 | concrete | 24 | 1.8K | 239 | 209 |
| 421 | Clinical Immunology | 67 | 1.8K | 99 | 138 |
| 422 | Environmental Toxicology | 49 | 1.8K | 347 | 435 |
| 423 | marketing | 23 | 1.8K | 654 | 436 |
| 424 | musculoskeletal system | 8 | 1.8K | 45 | 1 |
| 425 | Organometallic compounds | 69 | 1.8K | 103 | 159 |
| 426 | Econometrics | 83 | 1.7K | 112 | 219 |
| 427 | Infections | 60 | 1.7K | 109 | 217 |
| 428 | biological factors | 63 | 1.7K | 158 | 258 |
| 429 | Solar Energy | 41 | 1.7K | 224 | 230 |
| 430 | cytokines | 14 | 1.7K | 415 | 121 |
| 431 | Intellectual disability | 47 | 1.7K | 109 | 95 |
| 432 | finance | 60 | 1.7K | 401 | 408 |
| 433 | mutagens | 41 | 1.7K | 89 | 114 |
| 434 | Chromosomes | 41 | 1.7K | 102 | 110 |
| 435 | Host-parasite interactions | 26 | 1.7K | 295 | 346 |
| 436 | Telecommunication Systems | 53 | 1.7K | 143 | 84 |
| 436 | Fiber Optics | 76 | 1.7K | 85 | 117 |
| 438 | Developmental Immunology | 38 | 1.7K | 45 | 40 |
| 438 | Parasites | 34 | 1.7K | 297 | 162 |
| 440 | Exercise | 38 | 1.6K | 248 | 159 |
| 441 | Drug design | 40 | 1.6K | 178 | 170 |
| 442 | clay | 25 | 1.6K | 123 | 69 |
| 443 | Social Sciences | 101 | 1.6K | 363 | 451 |
| 444 | Mobile Computing | 58 | 1.6K | 98 | 129 |
| 445 | Information Retrieval | 65 | 1.6K | 7 | 48 |
| 445 | Mechanics | 96 | 1.6K | 43 | 98 |
| 447 | Clinical Pharmacology | 59 | 1.6K | 133 | 148 |
| 448 | Proteomics | 23 | 1.6K | 224 | 149 |
| 449 | Genetic regulation | 31 | 1.6K | 191 | 239 |
| 450 | Biomechanics | 29 | 1.6K | 299 | 242 |
| 451 | Biopharmaceutics | 36 | 1.6K | 136 | 125 |
| 452 | Experimental Psychology | 47 | 1.6K | 56 | 111 |
| 452 | Carcinogenesis | 32 | 1.6K | 152 | 136 |
| 454 | natural products | 67 | 1.6K | 143 | 220 |
| 455 | cell interaction | 25 | 1.6K | 213 | 124 |
| 456 | Sites | 36 | 1.5K | 72 | 90 |
| 457 | Sustainable Development | 31 | 1.5K | 330 | 336 |
| 458 | Corporate governance | 22 | 1.5K | 37 | 14 |
| 459 | Diagnostic microbiology | 23 | 1.5K | 308 | 338 |
| 460 | Crystallography | 109 | 1.5K | 87 | 129 |
| 461 | Quality of life | 51 | 1.5K | 137 | 218 |
| 462 | energy resources | 45 | 1.5K | 162 | 369 |
| 463 | Pharmaceutical Technology | 42 | 1.5K | 227 | 220 |
| 464 | Mechanical Engineering | 57 | 1.5K | 422 | 285 |
| 465 | Biogeography | 18 | 1.5K | 344 | 250 |
| 466 | Tribology | 25 | 1.5K | 290 | 127 |
| 467 | Developmental Disabilities | 75 | 1.5K | 94 | 200 |
| 468 | environmental indicators | 32 | 1.5K | 122 | 107 |
| 469 | Climatology | 46 | 1.5K | 347 | 417 |
| 470 | drug addiction | 37 | 1.5K | 230 | 229 |
| 471 | Substance Abuse | 45 | 1.5K | 250 | 217 |
| 472 | Immunotherapy | 48 | 1.5K | 288 | 430 |
| 473 | Metallurgy | 53 | 1.4K | 420 | 444 |
| 474 | Physical Therapy | 25 | 1.4K | 330 | 236 |
| 474 | Pharmacognosy | 27 | 1.4K | 488 | 372 |
| 476 | Human-Computer Interaction | 49 | 1.4K | 129 | 168 |
| 477 | Soil Mechanics | 34 | 1.4K | 268 | 228 |
| 478 | plant communities | 37 | 1.4K | 202 | 289 |
| 479 | Geriatric Oncology | 41 | 1.4K | 41 | 42 |
| 480 | Pharmacy | 51 | 1.4K | 343 | 363 |
| 480 | language | 36 | 1.4K | 115 | 120 |
| 482 | forest policy | 39 | 1.4K | 37 | 22 |
| 483 | Sustainable Engineering | 36 | 1.4K | 303 | 347 |
| 484 | Fluid Dynamics | 33 | 1.4K | 239 | 157 |
| 485 | lasers | 84 | 1.4K | 233 | 299 |
| 486 | Fisheries | 27 | 1.4K | 418 | 268 |
| 487 | Cosmology | 36 | 1.4K | 75 | 82 |
| 488 | Agricultural Ecology | 32 | 1.4K | 170 | 224 |
| 489 | Soft Condensed Matter | 50 | 1.4K | 177 | 211 |
| 490 | Environmental pollutants | 37 | 1.4K | 418 | 422 |
| 491 | cloning | 19 | 1.4K | 134 | 140 |
| 492 | Business | 32 | 1.4K | 590 | 676 |
| 493 | Phylogeny | 31 | 1.4K | 134 | 150 |
| 494 | Marine Ecology | 39 | 1.4K | 93 | 53 |
| 495 | Cell communication | 16 | 1.4K | 106 | 48 |
| 496 | Biosensors | 27 | 1.4K | 284 | 335 |
| 497 | Ecological Engineering | 30 | 1.4K | 42 | 43 |
| 498 | carcinogens | 28 | 1.4K | 160 | 157 |
| 499 | intergroup relations | 22 | 1.4K | 15 | 14 |
| 499 | biopolymers | 49 | 1.4K | 186 | 218 |
| 501 | Andrology | 42 | 1.4K | 41 | 42 |
| 502 | Entrepreneurship | 22 | 1.3K | 186 | 293 |
| 502 | Magnetic Resonance Spectroscopy | 89 | 1.3K | 87 | 175 |
| 504 | Sedimentology | 34 | 1.3K | 51 | 82 |
| 504 | Computer-Aided Design | 58 | 1.3K | 105 | 161 |
| 506 | Geomagnetism | 59 | 1.3K | 71 | 96 |
| 507 | Remote Sensing | 146 | 1.3K | 37 | 107 |
| 508 | sanitation | 22 | 1.3K | 504 | 569 |
| 509 | Environmental Microbiology | 31 | 1.3K | 264 | 359 |
| 509 | Community Psychiatry | 24 | 1.3K | 229 | 170 |
| 511 | Geography | 41 | 1.3K | 456 | 439 |
| 511 | Exercise therapy | 29 | 1.3K | 18 | 5 |
| 513 | Psychopharmacology | 26 | 1.3K | 423 | 403 |
| 514 | Marine Pollution | 32 | 1.3K | 223 | 231 |
| 514 | Sedimentary rocks | 33 | 1.3K | 40 | 50 |
| 516 | environmental exposure | 55 | 1.3K | 176 | 317 |
| 517 | Land use | 36 | 1.3K | 120 | 136 |
| 518 | Energy Conversion | 23 | 1.3K | 376 | 474 |
| 519 | Radiobiology | 38 | 1.3K | 256 | 268 |
| 520 | Cardiac electrophysiology | 17 | 1.3K | 74 | 41 |
| 520 | arrhythmia | 17 | 1.3K | 74 | 41 |
| 522 | Physical organic chemistry | 55 | 1.3K | 137 | 160 |
| 523 | rivers | 9 | 1.3K | 101 | 10 |
| 524 | Neurolinguistics | 33 | 1.3K | 40 | 71 |
| 525 | emergency management | 38 | 1.2K | 28 | 45 |
| 526 | disease outbreaks | 36 | 1.2K | 52 | 75 |
| 526 | Epidemics | 36 | 1.2K | 48 | 75 |
| 528 | organizational effectiveness | 20 | 1.2K | 57 | 23 |
| 529 | Geriatric Psychiatry | 38 | 1.2K | 117 | 122 |
| 530 | supercritical fluids | 37 | 1.2K | 35 | 40 |
| 531 | nuclear astrophysics | 28 | 1.2K | 71 | 77 |
| 532 | Jurisprudence | 60 | 1.2K | 79 | 94 |
| 533 | nuclear magnetic resonance | 85 | 1.2K | 90 | 182 |
| 534 | Industrial Policy | 29 | 1.2K | 42 | 51 |
| 535 | Paleontology | 64 | 1.2K | 178 | 234 |
| 536 | fuel cells | 27 | 1.2K | 327 | 401 |
| 537 | Product life cycle | 12 | 1.2K | 66 | 34 |
| 537 | green products | 12 | 1.2K | 60 | 33 |
| 539 | Measurement | 46 | 1.2K | 153 | 134 |
| 540 | corporate culture | 14 | 1.2K | 14 | 3 |
| 541 | Linguistics | 50 | 1.2K | 234 | 219 |
| 542 | Language Disorders | 39 | 1.2K | 152 | 139 |
| 543 | Heart Failure | 9 | 1.2K | 181 | 102 |
| 544 | Reproductive health | 17 | 1.2K | 204 | 90 |
| 545 | Quantum electronics | 74 | 1.2K | 189 | 247 |
| 546 | Magnetic Materials | 64 | 1.2K | 165 | 287 |
| 547 | soil management | 22 | 1.2K | 99 | 89 |
| 548 | Long-Term Care | 17 | 1.2K | 138 | 100 |
| 548 | Long-term care facilities | 17 | 1.2K | 137 | 100 |
| 550 | Plant Genetics | 20 | 1.2K | 180 | 193 |
| 551 | Dynamics | 62 | 1.2K | 135 | 141 |
| 552 | Small Business | 20 | 1.1K | 153 | 270 |
| 553 | Economic Development | 28 | 1.1K | 374 | 397 |
| 553 | animal diseases | 46 | 1.1K | 44 | 50 |
| 555 | Business Ethics | 7 | 1.1K | 636 | 324 |
| 556 | Biological Systems | 43 | 1.1K | 22 | 41 |
| 557 | Audiology | 74 | 1.1K | 69 | 143 |
| 557 | pollutants | 28 | 1.1K | 424 | 414 |
| 559 | big data | 11 | 1.1K | 152 | 25 |
| 560 | Hemophilia | 42 | 1.1K | 46 | 50 |
| 561 | Demography | 51 | 1.1K | 55 | 103 |
| 562 | Recombinant DNA | 38 | 1.1K | 222 | 248 |
| 563 | extraterrestrial environment | 66 | 1.1K | 27 | 35 |
| 563 | astronomical phenomena | 66 | 1.1K | 27 | 34 |
| 565 | Pharmacogenetics | 27 | 1.1K | 178 | 193 |
| 566 | Genetic Toxicology | 20 | 1.1K | 46 | 51 |
| 567 | Endocrine glands | 13 | 1.1K | 52 | 64 |
| 568 | Cement | 15 | 1.1K | 188 | 187 |
| 569 | Cognitive Psychology | 45 | 1.1K | 7 | 14 |
| 570 | China | 50 | 1.1K | 502 | 480 |
| 571 | Access to Information | 5 | 1.1K | 69 | 16 |
| 571 | Information dissemination | 5 | 1.1K | 69 | 16 |
| 573 | Environmental Law | 13 | 1.1K | 410 | 376 |
| 574 | Nutrition physiology | 26 | 1.1K | 114 | 130 |
| 574 | Medical innovations | 20 | 1.1K | 236 | 362 |
| 574 | Informatics | 35 | 1.1K | 74 | 123 |
| 574 | drug evaluation | 64 | 1.1K | 50 | 145 |
| 578 | cardiac catheterization | 95 | 1.1K | 25 | 77 |
| 578 | Performance | 16 | 1.1K | 70 | 43 |
| 580 | Soil ecology | 51 | 1.1K | 49 | 142 |
| 581 | Natural Sciences | 70 | 1.1K | 3 | 3 |
| 581 | Structural dynamics | 25 | 1.1K | 274 | 276 |
| 583 | cell adhesion molecules | 5 | 1.1K | 89 | 15 |
| 583 | Australia | 40 | 1.1K | 269 | 219 |
| 585 | Molecular cloning | 36 | 1.1K | 210 | 237 |
| 586 | food handling | 32 | 1.1K | 93 | 125 |
| 587 | Genetic recombination | 35 | 1.1K | 209 | 237 |
| 587 | disease vectors | 30 | 1.1K | 154 | 130 |
| 589 | Sarcopenia | 26 | 1.1K | 18 | 57 |
| 589 | Sun | 5 | 1.1K | 259 | 83 |
| 591 | Computational Chemistry | 14 | 1.1K | 214 | 152 |
| 591 | Minerals | 49 | 1.1K | 27 | 69 |
| 593 | Molecular Imaging | 33 | 1.1K | 118 | 157 |
| 593 | Radioisotopes | 53 | 1.1K | 92 | 73 |
| 595 | drug development | 23 | 1.1K | 194 | 318 |
| 596 | Differential Equations | 57 | 1.0K | 93 | 137 |
| 597 | Industrial Microbiology | 34 | 1.0K | 373 | 551 |
| 598 | Transportation | 36 | 1.0K | 366 | 415 |
| 599 | Bioelectronics | 21 | 1.0K | 289 | 370 |
| 600 | Hydrometeorology | 10 | 1.0K | 81 | 60 |
| 601 | Combustion | 30 | 1.0K | 303 | 281 |
| 602 | Europa | 38 | 1.0K | 39 | 60 |
| 603 | Clinical Psychology | 36 | 1.0K | 287 | 388 |
| 604 | Information Science | 66 | 1.0K | 270 | 643 |
| 605 | tillage | 20 | 1.0K | 78 | 85 |
| 606 | Artificial Organs | 53 | 995 | 48 | 56 |
| 607 | dietary supplements | 18 | 992 | 156 | 95 |
| 608 | Regional Economics | 35 | 986 | 24 | 41 |
| 609 | Electrophoresis | 35 | 983 | 293 | 303 |
| 609 | Emotions | 23 | 983 | 144 | 173 |
| 611 | Metals | 35 | 982 | 490 | 556 |
| 612 | collagen | 17 | 975 | 39 | 62 |
| 613 | mutation | 28 | 968 | 70 | 105 |
| 614 | Microscopy | 46 | 967 | 156 | 195 |
| 615 | Bones | 19 | 965 | 214 | 217 |
| 616 | Insects | 28 | 964 | 326 | 264 |
| 616 | venom | 42 | 964 | 49 | 88 |
| 616 | Toxins | 42 | 964 | 58 | 96 |
| 619 | Music | 45 | 963 | 83 | 82 |
| 620 | Research Design | 47 | 962 | 149 | 283 |
| 621 | Smoking | 28 | 958 | 175 | 182 |
| 621 | city planning | 24 | 958 | 461 | 332 |
| 623 | Landslides | 23 | 955 | 27 | 38 |
| 624 | Oceanography | 24 | 954 | 587 | 534 |
| 625 | Functional Analysis | 77 | 949 | 88 | 207 |
| 626 | Medicinal plants | 14 | 937 | 510 | 362 |
| 627 | Asia | 44 | 936 | 410 | 366 |
| 628 | Calculus of Variations | 89 | 932 | 6 | 28 |
| 628 | Reproductive toxicology | 16 | 932 | 71 | 63 |
| 630 | psychophysics | 36 | 929 | 18 | 21 |
| 631 | Plant genetic engineering | 23 | 928 | 200 | 238 |
| 632 | older people | 39 | 925 | 322 | 248 |
| 633 | Production Planning | 20 | 922 | 24 | 28 |
| 633 | Production Control | 20 | 922 | 24 | 28 |
| 633 | feeding behavior | 25 | 922 | 160 | 173 |
| 636 | Breeding | 46 | 919 | 185 | 271 |
| 637 | Decision making | 19 | 916 | 436 | 328 |
| 638 | Appetite | 23 | 901 | 137 | 145 |
| 639 | hazard mitigation | 14 | 894 | 260 | 120 |
| 640 | Biomass | 12 | 891 | 196 | 130 |
| 641 | Hydrogeology | 30 | 887 | 72 | 80 |
| 642 | Information Systems | 47 | 881 | 118 | 238 |
| 643 | Medical Anthropology | 21 | 879 | 353 | 391 |
| 643 | Sexual health | 38 | 879 | 90 | 118 |
| 645 | sustainability | 20 | 877 | 176 | 254 |
| 645 | catalytic activity | 19 | 877 | 171 | 150 |
| 647 | Psychosomatic Medicine | 28 | 865 | 149 | 218 |
| 648 | Population | 44 | 862 | 86 | 179 |
| 649 | Corporate Social Responsibility | 13 | 861 | 28 | 35 |
| 649 | environmental auditing | 13 | 861 | 28 | 35 |
| 651 | Social Change | 24 | 859 | 167 | 325 |
| 651 | Biometrics | 51 | 859 | 157 | 249 |
| 653 | Recycling | 15 | 857 | 150 | 203 |
| 654 | Bacterial infections | 18 | 854 | 193 | 305 |
| 655 | Psychometrics | 47 | 851 | 52 | 130 |
| 656 | probabilities | 68 | 845 | 170 | 207 |
| 657 | Kidney diseases | 19 | 842 | 234 | 188 |
| 658 | Nephrology | 17 | 838 | 148 | 144 |
| 659 | Photogrammetry | 126 | 834 | 26 | 28 |
| 660 | histological techniques | 17 | 831 | 197 | 199 |
| 661 | Social problems | 16 | 827 | 190 | 166 |
| 662 | auditory perception | 21 | 823 | 74 | 90 |
| 663 | Human Geography | 27 | 822 | 282 | 245 |
| 664 | biofuels | 6 | 820 | 148 | 75 |
| 665 | vibration | 21 | 812 | 337 | 284 |
| 666 | Anxiety Disorders | 12 | 810 | 197 | 198 |
| 666 | Anxiety | 12 | 810 | 198 | 198 |
| 668 | Stochastic Processes | 43 | 796 | 61 | 74 |
| 669 | Intelligent Transportation Systems | 24 | 795 | 258 | 326 |
| 670 | Orthopedics | 34 | 794 | 358 | 403 |
| 671 | Radiation | 52 | 792 | 322 | 447 |
| 672 | Musicology | 36 | 790 | 11 | 7 |
| 672 | Lipids | 22 | 790 | 342 | 405 |
| 674 | Microwaves | 33 | 785 | 371 | 296 |
| 675 | Combinatorial chemistry | 16 | 782 | 214 | 237 |
| 676 | brain mapping | 24 | 781 | 156 | 242 |
| 677 | Animal husbandry | 27 | 776 | 22 | 28 |
| 678 | Ventilation | 32 | 774 | 54 | 85 |
| 679 | Synaptic Transmission | 37 | 772 | 36 | 88 |
| 679 | Socialization | 18 | 772 | 142 | 150 |
| 681 | Total Quality Management | 22 | 771 | 40 | 29 |
| 682 | Ergonomics | 8 | 766 | 543 | 196 |
| 683 | Mental Health | 36 | 764 | 305 | 357 |
| 684 | Tourism | 16 | 761 | 603 | 591 |
| 685 | Medical Ethics | 29 | 757 | 248 | 158 |
| 686 | Adolescent Medicine | 10 | 753 | 218 | 251 |
| 686 | Algorithms | 58 | 753 | 9 | 71 |
| 688 | behavior therapy | 25 | 751 | 236 | 266 |
| 689 | Immune system | 27 | 746 | 221 | 486 |
| 690 | Cybernetics | 28 | 745 | 394 | 519 |
| 691 | Extracellular matrix | 14 | 744 | 48 | 79 |
| 692 | Product Design | 55 | 738 | 54 | 77 |
| 692 | Speech Perception | 18 | 738 | 74 | 91 |
| 694 | Parkinson's disease | 13 | 728 | 47 | 25 |
| 695 | Orthopedic Surgery | 29 | 726 | 142 | 161 |
| 696 | Radiation effects | 14 | 723 | 155 | 119 |
| 697 | soil conservation | 23 | 721 | 111 | 115 |
| 698 | Liposomes | 36 | 719 | 33 | 137 |
| 698 | Lipid bilayers | 36 | 719 | 27 | 132 |
| 700 | Cognitive Therapy | 23 | 718 | 130 | 135 |
| 701 | Conservation Biology | 20 | 716 | 321 | 365 |
| 702 | Genes | 16 | 707 | 358 | 227 |
| 703 | Health Policy | 31 | 706 | 548 | 602 |
| 704 | children | 14 | 705 | 139 | 130 |
| 705 | Strategic planning | 22 | 701 | 116 | 175 |
| 706 | Nanoelectronics | 45 | 697 | 82 | 81 |
| 707 | Meteorites | 30 | 694 | 267 | 452 |
| 708 | Detectors | 33 | 691 | 278 | 347 |
| 709 | innovation | 15 | 689 | 155 | 298 |
| 710 | Radiography | 8 | 685 | 388 | 325 |
| 711 | Air Conditioning | 25 | 682 | 22 | 15 |
| 712 | Lightweight concrete | 6 | 678 | 258 | 200 |
| 712 | heating | 23 | 678 | 24 | 15 |
| 714 | biological invasions | 17 | 671 | 136 | 130 |
| 715 | locomotion | 34 | 670 | 65 | 151 |
| 715 | posture | 34 | 670 | 65 | 151 |
| 715 | Semiconductor industry | 40 | 670 | 57 | 59 |
| 715 | gait | 34 | 670 | 65 | 151 |
| 715 | walking | 34 | 670 | 65 | 151 |
| 720 | Communication Disorders | 51 | 661 | 11 | 33 |
| 721 | Philosophy | 103 | 659 | 196 | 269 |
| 722 | Pituitary gland | 19 | 655 | 28 | 27 |
| 723 | Histochemistry | 24 | 653 | 255 | 257 |
| 723 | Hearing | 22 | 653 | 188 | 166 |
| 725 | Teratology | 6 | 651 | 162 | 57 |
| 725 | Virtual reality | 20 | 651 | 42 | 54 |
| 727 | herbicides | 19 | 648 | 44 | 34 |
| 728 | Technological Innovations | 18 | 647 | 236 | 262 |
| 729 | Comparative Psychology | 11 | 637 | 31 | 43 |
| 730 | Neuropsychiatry | 32 | 636 | 134 | 231 |
| 730 | vitamin C | 17 | 636 | 45 | 73 |
| 730 | vitamin E | 17 | 636 | 45 | 73 |
| 733 | biocatalysis | 6 | 630 | 80 | 177 |
| 733 | Homogeneous catalysis | 6 | 630 | 80 | 177 |
| 733 | Heterogeneous catalysis | 6 | 630 | 80 | 177 |
| 736 | Quantum Communication | 11 | 628 | 48 | 47 |
| 736 | Antigens | 17 | 628 | 252 | 216 |
| 738 | global environmental change | 9 | 627 | 385 | 323 |
| 739 | Magnetic Resonance Imaging | 21 | 626 | 92 | 91 |
| 740 | Microbial Genetics | 11 | 625 | 109 | 103 |
| 741 | Rock Mechanics | 16 | 619 | 343 | 332 |
| 742 | Career development | 15 | 615 | 87 | 36 |
| 743 | Memory disorders | 17 | 614 | 35 | 53 |
| 744 | Neonatology | 22 | 612 | 95 | 108 |
| 745 | Cytokine | 8 | 611 | 164 | 118 |
| 746 | Cerebellum | 11 | 610 | 79 | 78 |
| 746 | Cerebellar ataxia | 11 | 610 | 79 | 78 |
| 748 | Radiology | 30 | 609 | 293 | 271 |
| 748 | Systems Engineering | 31 | 609 | 506 | 672 |
| 750 | Mites | 15 | 608 | 99 | 43 |
| 751 | occupational diseases | 25 | 607 | 151 | 224 |
| 751 | Antibodies | 14 | 607 | 196 | 155 |
| 753 | Growth factors | 7 | 602 | 99 | 98 |
| 754 | Nonlinear functional analysis | 51 | 601 | 83 | 216 |
| 755 | School Psychology | 12 | 596 | 186 | 142 |
| 756 | Herbal medicine | 14 | 595 | 198 | 191 |
| 757 | phytopathogenic bacteria | 10 | 593 | 93 | 104 |
| 758 | Wildlife conservation | 18 | 589 | 380 | 488 |
| 758 | Rock deformation | 17 | 589 | 16 | 24 |
| 760 | Atomic spectroscopy | 34 | 588 | 212 | 305 |
| 761 | Acarology | 13 | 586 | 64 | 34 |
| 761 | Ticks | 13 | 586 | 61 | 33 |
| 761 | Acari | 13 | 586 | 61 | 33 |
| 764 | Geometry | 67 | 583 | 109 | 153 |
| 765 | Reading | 20 | 582 | 161 | 155 |
| 766 | Horticulture | 15 | 581 | 246 | 115 |
| 766 | Neurotoxicology | 14 | 581 | 129 | 139 |
| 768 | Protein engineering | 8 | 580 | 87 | 48 |
| 769 | Labor Economics | 25 | 575 | 64 | 119 |
| 770 | Microorganisms | 15 | 572 | 355 | 475 |
| 771 | Health Education | 27 | 569 | 506 | 536 |
| 772 | Pharmacokinetics | 15 | 567 | 229 | 229 |
| 773 | Analytical Biochemistry | 28 | 565 | 359 | 515 |
| 774 | Tropical Medicine | 20 | 564 | 552 | 461 |
| 775 | Evolutionary Genetics | 6 | 563 | 374 | 103 |
| 775 | Molecular Epidemiology | 6 | 563 | 374 | 103 |
| 777 | Geodesy | 20 | 561 | 135 | 123 |
| 778 | Food additives | 18 | 560 | 313 | 415 |
| 779 | Chemical Ecology | 10 | 559 | 225 | 162 |
| 779 | pheromones | 10 | 559 | 196 | 147 |
| 781 | Suicide | 25 | 557 | 82 | 137 |
| 782 | Astrocytes | 9 | 556 | 228 | 231 |
| 782 | Longevity | 10 | 556 | 35 | 13 |
| 782 | rejuvenation | 10 | 556 | 19 | 11 |
| 785 | calcification | 17 | 554 | 142 | 179 |
| 786 | Molecular Pharmacology | 19 | 548 | 218 | 343 |
| 786 | Climate | 21 | 548 | 91 | 163 |
| 788 | Neuroimmunology | 12 | 543 | 261 | 297 |
| 789 | Cheminformatics | 11 | 540 | 58 | 129 |
| 790 | preventive medicine | 13 | 539 | 472 | 455 |
| 791 | mycoses | 6 | 531 | 485 | 401 |
| 792 | Immunochemistry | 10 | 528 | 434 | 238 |
| 793 | Liquid Crystals | 56 | 527 | 96 | 120 |
| 794 | Experimental Design | 4 | 525 | 211 | 101 |
| 794 | school psychologists | 7 | 525 | 111 | 79 |
| 796 | Sound | 25 | 524 | 240 | 255 |
| 797 | Thin Films | 11 | 523 | 165 | 54 |
| 798 | Sociolinguistics | 19 | 520 | 88 | 95 |
| 798 | Chromatographic analysis | 23 | 520 | 561 | 512 |
| 800 | Comparative Physiology | 13 | 518 | 331 | 290 |
| 800 | Crystal growth | 21 | 518 | 284 | 330 |
| 802 | Consciousness | 17 | 517 | 105 | 119 |
| 803 | Functional Genomics | 5 | 515 | 162 | 87 |
| 804 | Psychoneuroimmunology | 11 | 514 | 239 | 277 |
| 805 | Geothermal Energy | 18 | 511 | 32 | 38 |
| 806 | Cellular senescence | 10 | 510 | 50 | 160 |
| 807 | Entropy | 51 | 508 | 44 | 154 |
| 808 | Plasma chemistry | 22 | 507 | 54 | 76 |
| 808 | Bone diseases | 6 | 507 | 260 | 221 |
| 810 | Nanochemistry | 23 | 506 | 231 | 259 |
| 811 | Neurotransmitters | 13 | 505 | 92 | 131 |
| 812 | Health Services Research | 15 | 504 | 588 | 503 |
| 813 | Forecasting | 17 | 503 | 103 | 139 |
| 814 | Medical Imaging | 20 | 501 | 67 | 73 |
| 814 | Public Policy | 29 | 501 | 412 | 613 |
| 814 | Quantum Optics | 27 | 501 | 180 | 234 |
| 814 | Mycology | 16 | 501 | 627 | 642 |
| 818 | Environmental Education | 6 | 500 | 192 | 77 |
| 819 | Economic Geography | 15 | 499 | 82 | 88 |
| 819 | Enzyme inhibitors | 26 | 499 | 29 | 73 |
| 821 | Laser Spectroscopy | 26 | 498 | 152 | 206 |
| 822 | Aquatic ecology | 25 | 497 | 169 | 260 |
| 823 | Autism | 15 | 495 | 232 | 289 |
| 824 | speech therapy | 12 | 493 | 165 | 102 |
| 825 | Respiratory system | 17 | 492 | 141 | 181 |
| 825 | irrigation | 9 | 492 | 140 | 52 |
| 827 | Nuclear Chemistry | 39 | 490 | 157 | 225 |
| 828 | Porous materials | 13 | 489 | 210 | 110 |
| 829 | Plant breeding | 17 | 483 | 204 | 210 |
| 830 | Hematopoietic stem cell transplantation | 11 | 478 | 130 | 140 |
| 831 | Neuropharmacology | 13 | 476 | 214 | 192 |
| 831 | Social policy | 18 | 476 | 305 | 256 |
| 833 | Androgens | 7 | 475 | 114 | 70 |
| 834 | analysis | 21 | 471 | 84 | 145 |
| 834 | bees | 6 | 471 | 257 | 113 |
| 836 | Traffic Engineering | 10 | 470 | 159 | 148 |
| 836 | Gastrointestinal diseases | 20 | 470 | 97 | 118 |
| 838 | Nonlinear systems | 6 | 467 | 397 | 144 |
| 839 | Civil Engineering | 27 | 466 | 377 | 279 |
| 839 | Ethics | 12 | 466 | 372 | 198 |
| 841 | industrial relations | 29 | 462 | 171 | 229 |
| 842 | Post-traumatic stress disorder | 18 | 459 | 232 | 319 |
| 843 | Elderly | 20 | 458 | 389 | 217 |
| 844 | weather | 21 | 456 | 71 | 154 |
| 845 | Plasma polymerization | 17 | 455 | 40 | 60 |
| 846 | Political Psychology | 6 | 454 | 221 | 146 |
| 846 | Algae | 24 | 454 | 183 | 323 |
| 848 | Women's health | 21 | 452 | 303 | 338 |
| 849 | machinery | 12 | 451 | 300 | 178 |
| 850 | Plant tissue culture | 13 | 446 | 220 | 202 |
| 850 | International Finance | 26 | 446 | 462 | 690 |
| 850 | Physical fitness | 27 | 446 | 210 | 436 |
| 853 | Chronobiology | 15 | 445 | 98 | 100 |
| 853 | Erectile dysfunction | 8 | 445 | 96 | 42 |
| 853 | biological clocks | 15 | 445 | 98 | 100 |
| 853 | circadian rhythm | 15 | 445 | 98 | 100 |
| 853 | biological rhythms | 15 | 445 | 92 | 100 |
| 858 | Surface properties | 11 | 444 | 499 | 510 |
| 859 | bioclimatology | 21 | 443 | 159 | 247 |
| 859 | Waste management | 24 | 443 | 316 | 377 |
| 861 | Celestial Mechanics | 34 | 442 | 20 | 51 |
| 861 | Personality Assessment | 24 | 442 | 121 | 281 |
| 863 | Plant cell culture | 8 | 438 | 314 | 200 |
| 863 | mathematical concepts | 18 | 438 | 74 | 50 |
| 865 | optical instruments | 15 | 436 | 101 | 109 |
| 866 | Viticulture | 13 | 435 | 20 | 23 |
| 867 | Trace elements | 9 | 434 | 85 | 72 |
| 868 | Energy Storage | 15 | 433 | 477 | 559 |
| 869 | Bipolar Disorder | 10 | 431 | 148 | 153 |
| 870 | Happiness | 13 | 428 | 71 | 123 |
| 871 | Flow cytometry | 11 | 426 | 116 | 98 |
| 872 | Circadian rhythms | 10 | 425 | 100 | 98 |
| 872 | Raman spectroscopy | 23 | 425 | 128 | 221 |
| 872 | health planning | 39 | 425 | 402 | 712 |
| 875 | Dyslexia | 11 | 420 | 28 | 35 |
| 875 | land degradation | 17 | 420 | 60 | 121 |
| 875 | degradation | 17 | 420 | 60 | 121 |
| 878 | eugenics | 26 | 419 | 73 | 152 |
| 879 | complementary therapies | 16 | 418 | 504 | 523 |
| 880 | Logistics | 8 | 417 | 267 | 232 |
| 880 | Industrial Safety | 19 | 417 | 306 | 398 |
| 882 | Water quality management | 24 | 416 | 491 | 601 |
| 882 | Food preferences | 11 | 416 | 139 | 143 |
| 884 | Occupational Health | 24 | 415 | 213 | 288 |
| 884 | Alternative Medicine | 15 | 415 | 481 | 512 |
| 886 | Agricultural Engineering | 16 | 413 | 99 | 130 |
| 886 | Pediatric Rheumatology | 25 | 413 | 23 | 32 |
| 888 | sedimentary basins | 11 | 411 | 58 | 74 |
| 888 | Radio waves | 10 | 411 | 468 | 416 |
| 890 | Land Use Planning | 15 | 409 | 87 | 161 |
| 891 | Mechatronics | 16 | 408 | 270 | 320 |
| 892 | Nutritional support | 12 | 405 | 34 | 65 |
| 892 | role | 9 | 405 | 213 | 222 |
| 894 | Animal Physiology | 20 | 403 | 35 | 56 |
| 894 | Surface-Active Agents | 10 | 403 | 504 | 502 |
| 894 | Natural selection | 20 | 403 | 35 | 56 |
| 894 | drug resistance | 10 | 403 | 238 | 225 |
| 894 | genetic selection | 20 | 403 | 35 | 56 |
| 899 | Biogeochemistry | 12 | 401 | 508 | 621 |
| 899 | Animal | 8 | 401 | 46 | 15 |
| 901 | Microbial Biotechnology | 9 | 399 | 418 | 321 |
| 902 | Mutagenesis | 16 | 398 | 58 | 74 |
| 903 | Statistical Mechanics | 33 | 396 | 113 | 194 |
| 904 | Agricultural systems | 13 | 394 | 91 | 143 |
| 905 | solar cells | 17 | 392 | 230 | 434 |
| 906 | nuclear magnetic resonance spectroscopy | 13 | 389 | 298 | 227 |
| 907 | Methodology | 28 | 388 | 20 | 62 |
| 908 | Multivariate Analysis | 14 | 386 | 170 | 175 |
| 908 | Chromatography | 17 | 386 | 575 | 565 |
| 908 | gastrointestinal tract | 8 | 386 | 139 | 184 |
| 911 | Optical Communications | 20 | 385 | 199 | 222 |
| 912 | Social perception | 4 | 383 | 108 | 58 |
| 912 | Fungi | 14 | 383 | 392 | 553 |
| 914 | International Relations | 6 | 381 | 729 | 326 |
| 914 | Superconductors | 27 | 381 | 251 | 260 |
| 916 | Writing | 13 | 380 | 60 | 77 |
| 917 | Agricultural Economics | 2 | 379 | 147 | 26 |
| 918 | Computer Graphics | 24 | 376 | 517 | 699 |
| 919 | hydrocolloids | 5 | 373 | 458 | 417 |
| 920 | Flexible manufacturing systems | 10 | 371 | 123 | 99 |
| 920 | Combinatorial analysis | 34 | 371 | 195 | 233 |
| 922 | Organizational Behavior | 9 | 370 | 302 | 369 |
| 923 | Apoptosis | 9 | 369 | 65 | 58 |
| 923 | neurotoxins | 9 | 369 | 65 | 58 |
| 923 | Neurotoxic agents | 9 | 369 | 65 | 58 |
| 923 | curriculum evaluation | 4 | 369 | 311 | 85 |
| 923 | Nerve regeneration | 9 | 369 | 65 | 58 |
| 928 | Immunogenetics | 7 | 368 | 358 | 222 |
| 928 | Protein folding | 4 | 368 | 60 | 18 |
| 930 | Bioethics | 22 | 367 | 252 | 251 |
| 931 | Oral communication | 7 | 366 | 231 | 114 |
| 932 | Historic Preservation | 20 | 363 | 13 | 16 |
| 933 | Electromagnetism | 37 | 362 | 170 | 374 |
| 933 | Developing countries | 16 | 362 | 861 | 960 |
| 935 | Otolaryngology | 11 | 361 | 229 | 186 |
| 936 | preimplantation genetic diagnosis | 10 | 359 | 161 | 115 |
| 936 | Radio wave propagation | 11 | 359 | 310 | 188 |
| 936 | embryo transfer | 10 | 359 | 171 | 123 |
| 939 | Global Health | 19 | 358 | 261 | 279 |
| 940 | Mental Health Services | 22 | 357 | 335 | 449 |
| 941 | Electrocardiography | 19 | 356 | 52 | 56 |
| 942 | electric vehicles | 13 | 355 | 92 | 123 |
| 943 | Geriatric Pharmacology | 9 | 351 | 110 | 95 |
| 944 | DNS | 7 | 350 | 233 | 141 |
| 945 | Invertebrates | 16 | 343 | 159 | 197 |
| 946 | Cardiovascular Pharmacology | 12 | 342 | 48 | 55 |
| 946 | Randomized Controlled Trials | 21 | 342 | 260 | 281 |
| 948 | Ecohydrology | 21 | 341 | 23 | 84 |
| 948 | Social work | 12 | 341 | 634 | 484 |
| 950 | Transgenic plants | 9 | 340 | 149 | 174 |
| 950 | Biomolecules | 8 | 340 | 190 | 235 |
| 952 | Educational Technology | 15 | 339 | 602 | 707 |
| 953 | Political Science | 30 | 337 | 507 | 649 |
| 953 | Space telescopes | 4 | 337 | 135 | 35 |
| 955 | Biodegradation | 9 | 336 | 291 | 304 |
| 956 | Petroleum Geology | 21 | 333 | 125 | 237 |
| 956 | coal | 12 | 333 | 787 | 991 |
| 958 | Feminism | 8 | 331 | 316 | 166 |
| 958 | Water Purification | 18 | 331 | 333 | 393 |
| 960 | Water Conservation | 1 | 328 | 176 | 13 |
| 961 | Cognitive Radio Networks | 8 | 327 | 82 | 67 |
| 961 | Echocardiography | 7 | 327 | 23 | 9 |
| 963 | Obsessive-Compulsive Disorder | 7 | 326 | 43 | 21 |
| 964 | Plant hormones | 9 | 323 | 111 | 112 |
| 964 | North America | 11 | 323 | 320 | 230 |
| 964 | Youth | 18 | 323 | 201 | 373 |
| 964 | data protection | 18 | 323 | 66 | 116 |
| 968 | Marine Geology | 20 | 322 | 138 | 251 |
| 968 | Microfabrication | 5 | 322 | 229 | 100 |
| 968 | freshwater biology | 16 | 322 | 272 | 389 |
| 971 | polar regions | 27 | 320 | 110 | 236 |
| 972 | Mountains | 17 | 318 | 53 | 45 |
| 973 | solar power | 15 | 311 | 219 | 472 |
| 974 | Chemical Oceanography | 6 | 310 | 169 | 170 |
| 974 | child abuse | 11 | 310 | 365 | 454 |
| 976 | Agricultural Biotechnology | 15 | 309 | 55 | 15 |
| 976 | Social welfare | 7 | 309 | 337 | 189 |
| 976 | Paleoceanography | 4 | 309 | 138 | 146 |
| 976 | Family Therapy | 21 | 309 | 196 | 273 |
| 976 | clay minerals | 1 | 309 | 500 | 129 |
| 976 | Metallography | 14 | 309 | 279 | 348 |
| 976 | organization | 10 | 309 | 377 | 550 |
| 983 | Religion and Sociology | 20 | 308 | 12 | 18 |
| 984 | abnormalities | 3 | 307 | 148 | 71 |
| 984 | prostaglandins | 12 | 307 | 160 | 165 |
| 986 | Atmospheric Physics | 12 | 305 | 738 | 860 |
| 986 | Precision medicine | 4 | 305 | 153 | 55 |
| 986 | Multiphase Flow | 12 | 305 | 139 | 191 |
| 986 | Mitochondria | 7 | 305 | 83 | 113 |
| 986 | cryosphere | 11 | 305 | 168 | 217 |
| 991 | Human Capital | 5 | 304 | 152 | 91 |
| 992 | Cartography | 25 | 303 | 52 | 77 |
| 992 | Neuroimaging | 13 | 303 | 83 | 93 |
| 994 | Radiation Protection | 19 | 301 | 123 | 88 |
| 994 | radiation monitoring | 19 | 301 | 103 | 81 |
| 994 | soil pollution | 6 | 301 | 299 | 158 |
| 994 | Computational Complexity | 20 | 301 | 210 | 246 |
| 994 | Luminescence | 13 | 301 | 557 | 476 |
| 994 | Radiation dosimetry | 19 | 301 | 73 | 48 |
| 1000 | Neuroanatomy | 8 | 300 | 69 | 71 |