| 1 | Physics | 4,871 | 313.8K | 47 | 78 |
| 2 | Science | 2,355 | 165.1K | 112 | 160 |
| 3 | Biology | 1,947 | 142.5K | 130 | 191 |
| 4 | Biochemistry | 3,872 | 139.6K | 46 | 84 |
| 5 | Astrophysics | 1,491 | 139.6K | 95 | 76 |
| 6 | Nuclear Physics | 3,250 | 139.0K | 26 | 25 |
| 7 | Medicine | 2,365 | 117.7K | 111 | 130 |
| 8 | Molecular Biology | 2,557 | 117.6K | 48 | 111 |
| 9 | Neurology | 2,296 | 115.8K | 51 | 78 |
| 10 | Astronomy | 1,238 | 107.1K | 108 | 80 |
| 11 | Chemistry | 2,747 | 106.5K | 111 | 227 |
| 12 | Research | 1,865 | 75.9K | 88 | 87 |
| 13 | Quantum Gravity | 1,348 | 71.3K | 15 | 19 |
| 14 | Biophysics | 1,858 | 62.1K | 25 | 33 |
| 15 | Cell Biology | 822 | 56.9K | 63 | 108 |
| 16 | Condensed Matter | 1,447 | 56.5K | 39 | 51 |
| 17 | Metabolism | 585 | 56.5K | 46 | 21 |
| 18 | Natural history | 491 | 56.3K | 93 | 216 |
| 19 | Cytology | 791 | 52.9K | 93 | 130 |
| 20 | Hematology | 1,112 | 52.5K | 28 | 41 |
| 21 | Nutrition | 667 | 50.7K | 35 | 15 |
| 22 | Spectrum analysis | 709 | 48.9K | 128 | 129 |
| 23 | Human genetics | 299 | 43.0K | 75 | 124 |
| 24 | Statistical physics | 1,397 | 40.5K | 15 | 35 |
| 25 | Solid State Physics | 1,240 | 39.4K | 62 | 90 |
| 26 | Endocrinology | 624 | 39.4K | 68 | 77 |
| 27 | Medical genetics | 570 | 37.1K | 52 | 64 |
| 28 | Mathematical Physics | 1,091 | 36.9K | 4 | 9 |
| 29 | Genetics | 427 | 34.5K | 129 | 117 |
| 30 | Ecology | 642 | 34.3K | 211 | 254 |
| 31 | Pharmaceutical Chemistry | 843 | 33.6K | 12 | 26 |
| 32 | Microbiology | 711 | 33.1K | 205 | 273 |
| 33 | Nervous system | 853 | 33.1K | 5 | 34 |
| 34 | Neurophysiology | 604 | 32.1K | 57 | 93 |
| 35 | Pharmacology | 1,051 | 29.9K | 71 | 114 |
| 36 | Parenteral nutrition | 138 | 28.8K | 11 | 1 |
| 37 | Metabolic diseases | 401 | 28.8K | 57 | 68 |
| 38 | Materials | 426 | 27.8K | 404 | 260 |
| 39 | Brain | 514 | 27.7K | 43 | 46 |
| 40 | Immunology | 567 | 27.0K | 89 | 135 |
| 41 | Enteral nutrition | 110 | 26.8K | 8 | 1 |
| 42 | Environment | 412 | 26.1K | 164 | 219 |
| 43 | Psychophysiology | 564 | 25.7K | 69 | 93 |
| 44 | Behavior | 492 | 25.0K | 67 | 75 |
| 45 | Biotechnology | 484 | 24.7K | 166 | 211 |
| 46 | Mathematics | 1,481 | 24.7K | 52 | 53 |
| 47 | Cancer | 586 | 24.6K | 69 | 107 |
| 48 | Virology | 313 | 24.6K | 142 | 167 |
| 49 | Nanotechnology | 528 | 24.3K | 187 | 234 |
| 50 | Psychiatry | 536 | 24.2K | 133 | 153 |
| 51 | Physiology | 529 | 23.5K | 127 | 128 |
| 52 | Electrochemistry | 693 | 23.2K | 74 | 46 |
| 53 | Psychology | 685 | 22.8K | 123 | 166 |
| 54 | Botany | 659 | 22.7K | 82 | 163 |
| 55 | Nonlinear Dynamics | 726 | 22.5K | 5 | 13 |
| 56 | Clinical Chemistry | 465 | 22.4K | 20 | 21 |
| 57 | pain | 447 | 22.2K | 10 | 23 |
| 58 | Materials Science | 306 | 21.8K | 280 | 175 |
| 59 | Pollution | 412 | 21.5K | 193 | 235 |
| 60 | Sleep | 300 | 21.2K | 24 | 11 |
| 61 | Neuropsychology | 436 | 18.5K | 17 | 26 |
| 62 | Geophysics | 582 | 17.6K | 141 | 199 |
| 63 | Analytical Chemistry | 480 | 17.4K | 108 | 121 |
| 64 | Liver diseases | 213 | 15.8K | 37 | 54 |
| 65 | Surgery | 199 | 15.7K | 88 | 142 |
| 66 | human behavior | 221 | 15.6K | 99 | 94 |
| 67 | Chemical Engineering | 350 | 15.4K | 273 | 267 |
| 68 | Economics | 723 | 15.3K | 49 | 138 |
| 69 | Sleep Disorders | 298 | 15.2K | 26 | 17 |
| 70 | Optics | 879 | 15.1K | 92 | 128 |
| 71 | Colloids | 434 | 15.0K | 111 | 140 |
| 72 | Aging | 291 | 14.9K | 105 | 69 |
| 73 | Cell differentiation | 175 | 14.9K | 79 | 82 |
| 74 | Catalysis | 389 | 14.8K | 176 | 248 |
| 75 | Biomedical Engineering | 381 | 14.7K | 156 | 161 |
| 76 | Automation | 230 | 14.6K | 83 | 82 |
| 77 | Polymers | 419 | 14.4K | 238 | 239 |
| 78 | Cardiovascular system | 152 | 14.2K | 135 | 129 |
| 79 | Cell death | 233 | 13.8K | 20 | 41 |
| 80 | Neurochemistry | 315 | 13.3K | 58 | 80 |
| 81 | environmental pollution | 281 | 13.3K | 172 | 175 |
| 82 | Organic Chemistry | 381 | 13.3K | 43 | 61 |
| 83 | Hypertension | 173 | 13.3K | 113 | 130 |
| 84 | Diabetes | 233 | 13.2K | 83 | 105 |
| 85 | Signal Processing | 246 | 13.0K | 126 | 115 |
| 86 | Physical Chemistry | 363 | 12.9K | 21 | 61 |
| 87 | Environmental Management | 200 | 12.9K | 58 | 29 |
| 88 | Bioengineering | 197 | 12.8K | 275 | 257 |
| 89 | Environmental Health | 322 | 12.8K | 218 | 305 |
| 90 | proteins | 254 | 12.7K | 32 | 31 |
| 91 | Diabetes mellitus | 206 | 12.5K | 79 | 100 |
| 92 | Europe | 675 | 12.5K | 21 | 42 |
| 93 | Plants | 280 | 12.4K | 28 | 94 |
| 94 | Immunopathology | 512 | 12.3K | 2 | 5 |
| 95 | Diet | 226 | 12.3K | 59 | 80 |
| 96 | Autoimmunity | 172 | 12.2K | 5 | 4 |
| 97 | Reproduction | 291 | 12.2K | 55 | 49 |
| 98 | Animal Behavior | 171 | 12.1K | 151 | 103 |
| 99 | Neurobiology | 213 | 12.1K | 71 | 94 |
| 100 | Surface Chemistry | 447 | 12.0K | 91 | 167 |
| 101 | Geology | 282 | 12.0K | 192 | 178 |
| 102 | Cognition | 288 | 11.8K | 46 | 71 |
| 103 | Pathology | 295 | 11.5K | 64 | 98 |
| 104 | Leukemia | 200 | 11.5K | 13 | 35 |
| 105 | Electronics | 235 | 11.4K | 205 | 122 |
| 106 | Mental Disorders | 212 | 11.2K | 156 | 171 |
| 107 | Parasitology | 222 | 11.1K | 51 | 21 |
| 108 | Oncology | 265 | 11.1K | 53 | 158 |
| 109 | Artificial Intelligence | 297 | 11.0K | 99 | 146 |
| 110 | Ethology | 136 | 11.0K | 120 | 77 |
| 111 | Earthquake Engineering | 323 | 11.0K | 26 | 33 |
| 112 | personality | 217 | 10.9K | 44 | 75 |
| 113 | Cerebral cortex | 188 | 10.7K | 15 | 24 |
| 114 | Bioorganic chemistry | 256 | 10.6K | 45 | 60 |
| 115 | transport vesicles | 5 | 10.5K | 124 | 123 |
| 116 | Developmental Biology | 138 | 10.4K | 169 | 148 |
| 117 | Composite Materials | 231 | 10.3K | 124 | 134 |
| 118 | cell physiology | 203 | 10.2K | 41 | 56 |
| 119 | Social Psychology | 242 | 10.1K | 97 | 145 |
| 120 | Biocompatible Materials | 195 | 10.0K | 337 | 356 |
| 121 | Obesity | 259 | 9.9K | 50 | 77 |
| 122 | Immunity | 375 | 9.9K | 29 | 207 |
| 123 | Toxicology | 305 | 9.8K | 192 | 242 |
| 124 | Child Development | 157 | 9.6K | 138 | 103 |
| 125 | United States | 221 | 9.6K | 366 | 306 |
| 126 | Geochemistry | 304 | 9.5K | 75 | 153 |
| 127 | Oncogenes | 126 | 9.4K | 42 | 55 |
| 128 | Pediatric Neurology | 94 | 9.4K | 59 | 67 |
| 129 | Pediatrics | 292 | 9.4K | 97 | 150 |
| 130 | Biodiversity conservation | 129 | 9.3K | 89 | 140 |
| 131 | Medical Microbiology | 235 | 9.3K | 65 | 128 |
| 132 | Embryology | 119 | 9.2K | 128 | 104 |
| 133 | Renewable Energy Sources | 127 | 9.1K | 123 | 167 |
| 134 | Engineering | 303 | 9.1K | 117 | 89 |
| 135 | Plant Ecology | 182 | 9.0K | 49 | 67 |
| 136 | protein | 139 | 8.9K | 31 | 33 |
| 137 | Child psychology | 96 | 8.8K | 177 | 117 |
| 138 | Growth | 56 | 8.4K | 176 | 109 |
| 139 | Statistics | 407 | 8.2K | 60 | 131 |
| 140 | Public Health | 513 | 8.1K | 182 | 397 |
| 141 | biological evolution | 185 | 8.1K | 109 | 204 |
| 142 | Psychopharmacology | 191 | 8.0K | 59 | 101 |
| 143 | Telecommunication | 164 | 7.8K | 192 | 170 |
| 144 | Control Theory | 262 | 7.8K | 34 | 41 |
| 145 | free radicals | 146 | 7.8K | 25 | 45 |
| 146 | Diagnostic Imaging | 200 | 7.7K | 54 | 60 |
| 147 | Cardiovascular diseases | 266 | 7.6K | 15 | 32 |
| 148 | Photonics | 114 | 7.6K | 189 | 140 |
| 149 | Biodiversity | 135 | 7.4K | 100 | 101 |
| 150 | Parasitic Diseases | 189 | 7.4K | 31 | 39 |
| 151 | Immune system | 321 | 7.3K | 3 | 127 |
| 152 | Mechanics | 271 | 7.3K | 4 | 8 |
| 153 | Environmental monitoring | 174 | 7.3K | 184 | 224 |
| 154 | Evolution | 245 | 7.3K | 56 | 180 |
| 155 | Water pollution | 183 | 7.3K | 114 | 166 |
| 156 | Environmental Engineering | 161 | 7.3K | 240 | 292 |
| 157 | miniaturization | 91 | 7.1K | 173 | 165 |
| 158 | Critical Care | 94 | 7.1K | 148 | 148 |
| 159 | Critical Care Medicine | 91 | 7.1K | 154 | 150 |
| 160 | Geriatrics | 213 | 7.0K | 174 | 171 |
| 161 | Medical Oncology | 173 | 7.0K | 91 | 102 |
| 162 | Sports Medicine | 222 | 6.8K | 88 | 125 |
| 163 | nanoscience | 139 | 6.6K | 245 | 293 |
| 164 | Structural dynamics | 171 | 6.6K | 26 | 43 |
| 165 | polymerization | 221 | 6.5K | 353 | 361 |
| 166 | Oxidative stress | 83 | 6.5K | 8 | 5 |
| 167 | Operations Research | 242 | 6.5K | 49 | 91 |
| 168 | System analysis | 202 | 6.5K | 45 | 53 |
| 169 | Urology | 214 | 6.5K | 79 | 99 |
| 170 | fertility | 108 | 6.4K | 58 | 47 |
| 171 | Infertility | 107 | 6.3K | 51 | 46 |
| 172 | drug therapy | 218 | 6.3K | 95 | 133 |
| 173 | Genomics | 174 | 6.3K | 169 | 201 |
| 174 | Bacteriology | 152 | 6.3K | 117 | 176 |
| 175 | plant molecular biology | 68 | 6.2K | 203 | 188 |
| 176 | Stem cells | 99 | 6.2K | 97 | 63 |
| 177 | Obstetrics | 225 | 6.1K | 123 | 141 |
| 178 | Eating Disorders | 171 | 6.1K | 21 | 24 |
| 179 | Feeding and Eating Disorders | 170 | 6.0K | 20 | 23 |
| 180 | Mental illness | 116 | 6.0K | 150 | 184 |
| 181 | Radio | 148 | 6.0K | 87 | 117 |
| 182 | Plant cells | 46 | 6.0K | 243 | 199 |
| 183 | Water | 118 | 6.0K | 217 | 268 |
| 184 | computer networks | 206 | 5.9K | 69 | 101 |
| 185 | plant communities | 106 | 5.8K | 35 | 60 |
| 186 | Neurosurgery | 139 | 5.8K | 10 | 19 |
| 187 | Cytogenetics | 76 | 5.8K | 138 | 138 |
| 188 | Biological Systems | 170 | 5.8K | 1 | 1 |
| 189 | Soft Condensed Matter | 163 | 5.8K | 17 | 23 |
| 190 | Anatomy | 119 | 5.8K | 167 | 160 |
| 191 | Cosmology | 126 | 5.7K | 2 | 3 |
| 192 | Geriatric Oncology | 146 | 5.7K | 3 | 1 |
| 193 | Environmental Policy | 128 | 5.7K | 210 | 279 |
| 194 | Microelectronics | 91 | 5.7K | 175 | 175 |
| 195 | extraterrestrial environment | 270 | 5.6K | 5 | 6 |
| 196 | Immunotherapy | 122 | 5.6K | 99 | 157 |
| 197 | Memory | 223 | 5.6K | 74 | 136 |
| 198 | industrial waste | 91 | 5.6K | 7 | 7 |
| 199 | Clinical Immunology | 143 | 5.6K | 31 | 20 |
| 200 | Structural Engineering | 160 | 5.6K | 101 | 87 |
| 201 | Hazardous waste | 87 | 5.6K | 7 | 7 |
| 202 | radioactive waste | 86 | 5.5K | 7 | 7 |
| 203 | Molecular Genetics | 112 | 5.5K | 130 | 161 |
| 204 | Energy Policy | 135 | 5.5K | 135 | 207 |
| 205 | Disease | 17 | 5.5K | 42 | 76 |
| 206 | Oxidation-reduction | 74 | 5.5K | 14 | 23 |
| 207 | astronomical phenomena | 267 | 5.5K | 5 | 6 |
| 208 | infection | 172 | 5.5K | 32 | 64 |
| 209 | Meteorology | 110 | 5.5K | 235 | 242 |
| 210 | Robotics | 110 | 5.5K | 91 | 62 |
| 211 | Wireless Communication Systems | 181 | 5.4K | 139 | 161 |
| 212 | diseases | 14 | 5.4K | 63 | 79 |
| 213 | Environmental Chemistry | 60 | 5.4K | 219 | 197 |
| 214 | Biochemical Engineering | 112 | 5.3K | 350 | 494 |
| 215 | Earth Sciences | 177 | 5.2K | 193 | 294 |
| 216 | Medical Physics | 108 | 5.2K | 177 | 123 |
| 217 | Cerebellum | 81 | 5.2K | 2 | 2 |
| 217 | Cerebellar ataxia | 81 | 5.2K | 2 | 2 |
| 219 | Infections | 147 | 5.1K | 18 | 51 |
| 220 | Light | 46 | 5.0K | 100 | 97 |
| 221 | Radio waves | 127 | 5.0K | 56 | 58 |
| 222 | biological factors | 224 | 5.0K | 7 | 53 |
| 223 | Statistical Mechanics | 210 | 5.0K | 13 | 21 |
| 224 | Social Change | 40 | 4.9K | 64 | 9 |
| 225 | Nuclear Medicine | 128 | 4.9K | 38 | 51 |
| 226 | Muscles | 87 | 4.9K | 34 | 26 |
| 227 | biopolymers | 135 | 4.9K | 34 | 37 |
| 228 | Electromagnetic compatibility | 118 | 4.9K | 5 | 3 |
| 229 | Plant physiology | 108 | 4.9K | 206 | 238 |
| 230 | Signal Transduction | 85 | 4.9K | 76 | 92 |
| 231 | Sociology | 235 | 4.9K | 141 | 250 |
| 232 | Genetic engineering | 77 | 4.8K | 178 | 136 |
| 233 | Cellular senescence | 56 | 4.8K | 1 | 4 |
| 234 | Fluid Dynamics | 136 | 4.8K | 36 | 30 |
| 235 | Epidemiology | 406 | 4.8K | 93 | 336 |
| 236 | Sexual health | 150 | 4.7K | 8 | 9 |
| 237 | environmental indicators | 83 | 4.7K | 24 | 15 |
| 238 | Computational Biology | 136 | 4.7K | 172 | 260 |
| 239 | natural products | 224 | 4.7K | 17 | 56 |
| 240 | United Kingdom | 135 | 4.6K | 74 | 127 |
| 241 | vibration | 131 | 4.6K | 40 | 45 |
| 242 | Image Processing | 128 | 4.6K | 151 | 202 |
| 243 | Energy Conversion | 19 | 4.6K | 436 | 182 |
| 244 | Nanostructured Materials | 164 | 4.6K | 275 | 399 |
| 245 | drugs | 171 | 4.5K | 64 | 95 |
| 246 | Neurons | 18 | 4.5K | 198 | 178 |
| 247 | Marine Biology | 171 | 4.5K | 166 | 248 |
| 248 | Cognitive Science | 79 | 4.5K | 105 | 126 |
| 249 | Cognitive neuroscience | 79 | 4.4K | 98 | 141 |
| 250 | management | 130 | 4.4K | 332 | 493 |
| 251 | rehabilitation | 111 | 4.4K | 152 | 157 |
| 252 | Molecular structure | 150 | 4.4K | 77 | 165 |
| 253 | Antioxidants | 70 | 4.4K | 9 | 25 |
| 254 | Genetic regulation | 39 | 4.3K | 146 | 105 |
| 255 | environmental protection | 125 | 4.3K | 225 | 297 |
| 256 | Wildlife conservation | 85 | 4.3K | 65 | 79 |
| 257 | Microwaves | 179 | 4.3K | 60 | 66 |
| 258 | Sports | 127 | 4.2K | 155 | 146 |
| 259 | Perception | 218 | 4.2K | 87 | 161 |
| 260 | Molecules | 197 | 4.2K | 33 | 78 |
| 261 | Molecular Imaging | 81 | 4.2K | 42 | 43 |
| 262 | Social Sciences | 229 | 4.2K | 136 | 203 |
| 262 | Technology | 131 | 4.2K | 362 | 319 |
| 264 | nuclear astrophysics | 82 | 4.1K | 3 | 8 |
| 265 | Emergency Medicine | 226 | 4.1K | 42 | 57 |
| 265 | Planets | 109 | 4.1K | 204 | 247 |
| 267 | Mineralogy | 154 | 4.1K | 70 | 130 |
| 268 | Hormones | 128 | 4.1K | 34 | 71 |
| 269 | Systems Engineering | 123 | 4.1K | 94 | 90 |
| 270 | arthritis | 80 | 4.0K | 131 | 145 |
| 271 | Dermatology | 179 | 4.0K | 97 | 132 |
| 272 | Andrology | 110 | 4.0K | 3 | 4 |
| 273 | Allergy | 67 | 4.0K | 131 | 201 |
| 274 | Archaeology | 197 | 4.0K | 36 | 68 |
| 274 | nucleic acids | 99 | 4.0K | 178 | 323 |
| 276 | energy conservation | 72 | 4.0K | 207 | 241 |
| 277 | Food | 97 | 4.0K | 298 | 287 |
| 278 | Combustion | 133 | 3.9K | 83 | 98 |
| 279 | Adolescent | 107 | 3.9K | 171 | 143 |
| 280 | Child | 139 | 3.9K | 162 | 171 |
| 281 | Long-Term Care | 37 | 3.9K | 60 | 37 |
| 281 | Long-term care facilities | 37 | 3.9K | 60 | 37 |
| 283 | Parasites | 106 | 3.9K | 58 | 55 |
| 284 | environmental auditing | 41 | 3.9K | 2 | 2 |
| 285 | Corporate Social Responsibility | 40 | 3.9K | 2 | 2 |
| 286 | Educational Psychology | 93 | 3.8K | 140 | 124 |
| 287 | Chromatographic analysis | 151 | 3.8K | 44 | 29 |
| 288 | Emergency Medical Services | 202 | 3.8K | 3 | 4 |
| 289 | Sarcopenia | 35 | 3.8K | 7 | 6 |
| 290 | sanitation | 33 | 3.8K | 376 | 300 |
| 291 | Petrology | 119 | 3.8K | 66 | 127 |
| 292 | probabilities | 214 | 3.8K | 15 | 23 |
| 293 | enzymes | 94 | 3.8K | 71 | 69 |
| 294 | Clinical Psychology | 70 | 3.8K | 170 | 167 |
| 295 | Ocean Engineering | 119 | 3.7K | 131 | 140 |
| 296 | food technology | 79 | 3.7K | 305 | 228 |
| 297 | Membranes | 102 | 3.6K | 165 | 224 |
| 298 | Economic History | 165 | 3.6K | 188 | 213 |
| 299 | genome | 76 | 3.6K | 145 | 262 |
| 300 | Hydrology | 82 | 3.6K | 287 | 260 |
| 301 | Information Systems | 66 | 3.6K | 60 | 33 |
| 302 | Geodynamics | 84 | 3.6K | 54 | 70 |
| 303 | Chromatography | 135 | 3.6K | 30 | 26 |
| 304 | Attention | 200 | 3.6K | 77 | 151 |
| 305 | amino acids | 100 | 3.6K | 2 | 3 |
| 306 | economic policy | 191 | 3.6K | 45 | 94 |
| 307 | Biogeography | 56 | 3.5K | 90 | 96 |
| 308 | Developmental Psychology | 70 | 3.5K | 106 | 115 |
| 309 | Agricultural Chemistry | 83 | 3.5K | 245 | 223 |
| 310 | Solid State Chemistry | 136 | 3.4K | 189 | 164 |
| 311 | Quantum theory | 145 | 3.4K | 19 | 36 |
| 312 | Health | 107 | 3.4K | 157 | 167 |
| 313 | Green Chemistry | 74 | 3.4K | 186 | 231 |
| 314 | Environmental Psychology | 37 | 3.4K | 7 | 19 |
| 315 | Climate change | 27 | 3.3K | 255 | 306 |
| 315 | Eutrophication | 27 | 3.3K | 251 | 304 |
| 317 | Engineering Geology | 118 | 3.3K | 66 | 109 |
| 317 | Biomass Energy | 57 | 3.3K | 358 | 333 |
| 319 | Functional Analysis | 191 | 3.3K | 5 | 24 |
| 320 | Physical organic chemistry | 99 | 3.3K | 35 | 30 |
| 321 | Public Policy | 131 | 3.3K | 70 | 113 |
| 321 | Visual Perception | 187 | 3.3K | 79 | 152 |
| 323 | Dynamics | 150 | 3.3K | 18 | 30 |
| 324 | Quality of life | 120 | 3.3K | 33 | 99 |
| 325 | Orthopedics | 126 | 3.3K | 92 | 117 |
| 326 | mathematical analysis | 301 | 3.3K | 23 | 95 |
| 327 | Water quality management | 100 | 3.3K | 80 | 67 |
| 328 | Optical materials | 80 | 3.2K | 378 | 411 |
| 329 | Gerontology | 59 | 3.2K | 296 | 143 |
| 330 | Molecular evolution | 78 | 3.2K | 105 | 177 |
| 331 | Mass Spectrometry | 105 | 3.2K | 40 | 60 |
| 332 | Medical innovations | 24 | 3.2K | 196 | 141 |
| 333 | actuators | 82 | 3.2K | 198 | 210 |
| 333 | transducers | 82 | 3.2K | 198 | 210 |
| 335 | Nuclear Engineering | 235 | 3.1K | 56 | 62 |
| 336 | Ophthalmology | 112 | 3.1K | 168 | 216 |
| 337 | Zoology | 150 | 3.1K | 171 | 229 |
| 338 | Histology | 104 | 3.1K | 141 | 204 |
| 339 | natural disasters | 67 | 3.1K | 44 | 33 |
| 340 | Conservation Biology | 75 | 3.1K | 67 | 102 |
| 341 | Medical Laboratory Science | 75 | 3.1K | 200 | 253 |
| 342 | Sustainable Development | 61 | 3.1K | 124 | 151 |
| 342 | drug evaluation | 131 | 3.1K | 8 | 23 |
| 344 | rare diseases | 53 | 3.0K | 26 | 10 |
| 345 | Information Theory | 80 | 3.0K | 126 | 122 |
| 346 | drug development | 35 | 3.0K | 110 | 133 |
| 347 | Surface properties | 72 | 3.0K | 25 | 34 |
| 348 | Surface-Active Agents | 71 | 3.0K | 24 | 31 |
| 349 | Bioinformatics | 92 | 3.0K | 180 | 305 |
| 350 | Business | 35 | 2.9K | 540 | 391 |
| 351 | alcoholism | 85 | 2.9K | 166 | 164 |
| 352 | cloning | 19 | 2.9K | 134 | 50 |
| 353 | epilepsy | 115 | 2.9K | 21 | 35 |
| 354 | Radiobiology | 76 | 2.9K | 148 | 148 |
| 355 | Regional Planning | 91 | 2.9K | 97 | 106 |
| 355 | Respiration | 83 | 2.9K | 146 | 180 |
| 357 | Nuclear Fusion | 148 | 2.9K | 47 | 52 |
| 357 | Chromosomes | 82 | 2.9K | 35 | 51 |
| 359 | Electrophoresis | 95 | 2.9K | 71 | 78 |
| 360 | Manufacturing Processes | 78 | 2.9K | 286 | 230 |
| 361 | Social behavior | 75 | 2.9K | 96 | 140 |
| 361 | Digestive system diseases | 124 | 2.9K | 17 | 37 |
| 363 | Molecular Microbiology | 35 | 2.8K | 180 | 164 |
| 364 | Neurotransmitters | 32 | 2.8K | 29 | 21 |
| 365 | Geomorphology | 75 | 2.8K | 115 | 147 |
| 366 | Thrombosis | 93 | 2.8K | 82 | 149 |
| 367 | brain mapping | 42 | 2.8K | 81 | 69 |
| 368 | Paleoclimatology | 71 | 2.8K | 95 | 109 |
| 369 | Diagnostic microbiology | 51 | 2.8K | 146 | 217 |
| 370 | Differential Equations | 100 | 2.8K | 23 | 28 |
| 371 | behavioral medicine | 41 | 2.7K | 215 | 183 |
| 372 | Nonlinear mechanics | 79 | 2.7K | 2 | 4 |
| 373 | city planning | 84 | 2.7K | 127 | 118 |
| 374 | Anthropology | 91 | 2.7K | 164 | 113 |
| 375 | gene mapping | 47 | 2.7K | 316 | 278 |
| 376 | adolescence | 56 | 2.7K | 112 | 98 |
| 377 | Economic Development | 42 | 2.7K | 253 | 206 |
| 378 | Mechanical Engineering | 81 | 2.6K | 293 | 151 |
| 379 | Geography | 59 | 2.6K | 339 | 272 |
| 380 | Numerical Analysis | 121 | 2.6K | 115 | 131 |
| 381 | Proteome | 57 | 2.6K | 107 | 140 |
| 382 | viruses | 53 | 2.6K | 252 | 276 |
| 383 | Computer Graphics | 94 | 2.6K | 154 | 192 |
| 384 | Inflammation | 60 | 2.6K | 48 | 69 |
| 385 | risk factors | 106 | 2.5K | 8 | 41 |
| 386 | Transportation | 59 | 2.5K | 267 | 211 |
| 387 | analysis | 62 | 2.5K | 21 | 33 |
| 388 | Microbial Ecology | 54 | 2.5K | 407 | 487 |
| 389 | Information Technology | 42 | 2.5K | 363 | 249 |
| 390 | Communication | 44 | 2.5K | 417 | 265 |
| 391 | calcification | 61 | 2.5K | 15 | 25 |
| 392 | energy development | 20 | 2.5K | 146 | 117 |
| 393 | Population Genetics | 45 | 2.5K | 204 | 211 |
| 394 | eugenics | 59 | 2.5K | 26 | 14 |
| 395 | Fluid Mechanics | 83 | 2.5K | 128 | 155 |
| 396 | Chemotherapy | 90 | 2.4K | 88 | 113 |
| 397 | Climatology | 53 | 2.4K | 308 | 291 |
| 398 | Clinical Biochemistry | 82 | 2.4K | 48 | 76 |
| 399 | cytokines | 67 | 2.4K | 69 | 79 |
| 400 | Paleoecology | 75 | 2.4K | 70 | 108 |
| 401 | Waste management | 94 | 2.4K | 33 | 41 |
| 402 | Tropical Medicine | 102 | 2.4K | 74 | 84 |
| 403 | Econometrics | 137 | 2.4K | 54 | 174 |
| 404 | gene therapy | 66 | 2.4K | 84 | 130 |
| 405 | Radiation | 110 | 2.4K | 103 | 142 |
| 405 | Autoimmune diseases | 65 | 2.4K | 16 | 33 |
| 407 | Cybernetics | 37 | 2.3K | 327 | 238 |
| 408 | Biomechanics | 58 | 2.3K | 167 | 178 |
| 409 | Alzheimer's disease | 114 | 2.3K | 130 | 143 |
| 410 | Quality Control | 42 | 2.3K | 198 | 89 |
| 411 | Calculus of Variations | 123 | 2.3K | 1 | 2 |
| 412 | Industrial Microbiology | 35 | 2.3K | 358 | 249 |
| 413 | Social policy | 80 | 2.3K | 35 | 30 |
| 414 | Vaccines | 77 | 2.3K | 171 | 197 |
| 415 | Thermodynamics | 74 | 2.3K | 57 | 24 |
| 416 | Information Science | 76 | 2.3K | 232 | 321 |
| 417 | psychotherapy | 79 | 2.3K | 138 | 227 |
| 418 | Substance Abuse | 68 | 2.3K | 182 | 153 |
| 419 | pain management | 77 | 2.3K | 19 | 30 |
| 420 | Developmental Disabilities | 63 | 2.2K | 111 | 150 |
| 421 | Solar System | 68 | 2.2K | 109 | 118 |
| 422 | fuel cells | 22 | 2.2K | 393 | 248 |
| 422 | ecosystem | 47 | 2.2K | 178 | 203 |
| 424 | Building Materials | 50 | 2.2K | 300 | 326 |
| 425 | Hemodynamics | 36 | 2.2K | 122 | 138 |
| 426 | Neural circuitry | 70 | 2.2K | 155 | 224 |
| 427 | Molecular ecology | 34 | 2.2K | 232 | 239 |
| 428 | Political Psychology | 10 | 2.2K | 148 | 27 |
| 429 | emergency management | 36 | 2.2K | 36 | 19 |
| 430 | Sustainable Engineering | 58 | 2.2K | 177 | 234 |
| 431 | Environmental Toxicology | 59 | 2.2K | 278 | 359 |
| 432 | Neuroimmunology | 35 | 2.1K | 87 | 90 |
| 433 | Bioinorganic chemistry | 106 | 2.1K | 63 | 122 |
| 434 | Environmental Geology | 75 | 2.1K | 77 | 121 |
| 435 | Natural Sciences | 249 | 2.1K | 1 | 1 |
| 436 | Systems Biology | 56 | 2.1K | 162 | 127 |
| 437 | Histocompatibility Testing | 58 | 2.1K | 14 | 8 |
| 438 | Nanostructures | 41 | 2.1K | 311 | 320 |
| 439 | Bioenergetics | 49 | 2.1K | 85 | 91 |
| 440 | mass transfer | 54 | 2.1K | 261 | 248 |
| 441 | Psychoneuroimmunology | 29 | 2.1K | 91 | 83 |
| 442 | finance | 73 | 2.1K | 332 | 356 |
| 443 | Bones | 58 | 2.0K | 55 | 116 |
| 444 | Hydraulic Engineering | 39 | 2.0K | 160 | 99 |
| 445 | Paleontology | 124 | 2.0K | 76 | 124 |
| 446 | Drug design | 69 | 2.0K | 69 | 129 |
| 447 | Carbon | 32 | 2.0K | 239 | 243 |
| 448 | Pharmacognosy | 47 | 2.0K | 289 | 265 |
| 449 | Dementia | 101 | 2.0K | 139 | 137 |
| 449 | mammals | 51 | 2.0K | 81 | 52 |
| 451 | Autoantibodies | 53 | 2.0K | 21 | 36 |
| 452 | Learning | 49 | 2.0K | 206 | 240 |
| 453 | peptides | 79 | 2.0K | 9 | 8 |
| 454 | Reproductive health | 53 | 2.0K | 44 | 36 |
| 455 | Physical fitness | 69 | 1.9K | 48 | 117 |
| 456 | Biopharmaceutics | 56 | 1.9K | 67 | 100 |
| 457 | Developmental Genetics | 15 | 1.9K | 166 | 134 |
| 458 | food handling | 26 | 1.9K | 132 | 44 |
| 459 | Solar Energy | 51 | 1.9K | 167 | 202 |
| 460 | Radiology | 130 | 1.9K | 55 | 87 |
| 461 | Clinical Pharmacology | 55 | 1.9K | 143 | 128 |
| 462 | Developing countries | 46 | 1.9K | 348 | 294 |
| 463 | vascular diseases | 54 | 1.9K | 88 | 159 |
| 464 | disease vectors | 58 | 1.9K | 54 | 74 |
| 465 | fusion reactors | 121 | 1.9K | 27 | 22 |
| 466 | lasers | 91 | 1.9K | 221 | 241 |
| 467 | Water Purification | 72 | 1.9K | 46 | 50 |
| 468 | Continuum Mechanics | 41 | 1.9K | 4 | 3 |
| 469 | Schizophrenia | 41 | 1.9K | 182 | 185 |
| 470 | Algebra | 120 | 1.9K | 73 | 43 |
| 471 | Biosensors | 27 | 1.9K | 284 | 240 |
| 472 | Agriculture | 41 | 1.9K | 375 | 299 |
| 473 | Telecommunication Systems | 80 | 1.9K | 73 | 73 |
| 473 | Geomagnetism | 64 | 1.9K | 61 | 66 |
| 475 | Neurotoxicology | 31 | 1.9K | 30 | 20 |
| 476 | Adolescent Psychology | 46 | 1.9K | 100 | 100 |
| 477 | Bioelectronics | 26 | 1.8K | 228 | 210 |
| 477 | violence | 33 | 1.8K | 195 | 121 |
| 479 | Cell metabolism | 20 | 1.8K | 134 | 224 |
| 480 | Neuropsychiatry | 65 | 1.8K | 54 | 78 |
| 481 | Genetic therapy | 48 | 1.8K | 134 | 165 |
| 482 | Steroids | 79 | 1.8K | 42 | 77 |
| 483 | Entomology | 60 | 1.8K | 370 | 266 |
| 484 | Fisheries | 37 | 1.8K | 324 | 221 |
| 485 | Sites | 45 | 1.8K | 51 | 73 |
| 486 | Rheumatology | 41 | 1.8K | 187 | 222 |
| 487 | Personality Assessment | 35 | 1.8K | 80 | 77 |
| 488 | Health Policy | 84 | 1.8K | 260 | 330 |
| 489 | Natural resources | 24 | 1.8K | 155 | 91 |
| 490 | Exercise | 63 | 1.8K | 135 | 142 |
| 491 | Radiation Oncology | 25 | 1.8K | 37 | 8 |
| 492 | Human evolution | 46 | 1.8K | 53 | 72 |
| 493 | Homeostasis | 7 | 1.8K | 221 | 227 |
| 494 | cell interaction | 57 | 1.8K | 49 | 96 |
| 495 | Database Management | 66 | 1.8K | 77 | 111 |
| 496 | Remote Sensing | 158 | 1.8K | 30 | 81 |
| 497 | Population | 53 | 1.7K | 67 | 85 |
| 498 | Paleogeography | 50 | 1.7K | 112 | 144 |
| 499 | Industrial Engineering | 48 | 1.7K | 300 | 288 |
| 500 | Psycholinguistics | 39 | 1.7K | 171 | 182 |
| 501 | Fracture mechanics | 76 | 1.7K | 140 | 182 |
| 502 | Proteomics | 33 | 1.7K | 144 | 144 |
| 503 | Computer Science | 87 | 1.7K | 89 | 114 |
| 503 | Decision making | 53 | 1.7K | 153 | 204 |
| 505 | Physical Therapy | 38 | 1.7K | 227 | 213 |
| 505 | Atomic spectroscopy | 77 | 1.7K | 53 | 84 |
| 507 | Electrical Engineering | 182 | 1.7K | 216 | 369 |
| 508 | Analytical Biochemistry | 61 | 1.7K | 131 | 195 |
| 509 | Quantum electronics | 68 | 1.7K | 195 | 179 |
| 510 | Electrophysiology | 87 | 1.7K | 54 | 85 |
| 511 | Neuropharmacology | 50 | 1.7K | 20 | 33 |
| 512 | Detectors | 41 | 1.7K | 219 | 123 |
| 513 | Insects | 45 | 1.6K | 186 | 149 |
| 514 | Electrochemical Analysis | 102 | 1.6K | 76 | 187 |
| 515 | Meteorites | 28 | 1.6K | 280 | 299 |
| 516 | Pharmaceutical Technology | 54 | 1.6K | 160 | 205 |
| 517 | Therapeutics | 49 | 1.6K | 300 | 348 |
| 518 | Quantum Optics | 69 | 1.6K | 34 | 61 |
| 519 | Immunogenetics | 46 | 1.6K | 46 | 51 |
| 520 | Hydrodynamics | 21 | 1.6K | 145 | 72 |
| 521 | Plant diseases | 35 | 1.6K | 472 | 327 |
| 522 | Production Engineering | 54 | 1.6K | 306 | 225 |
| 523 | Raman spectroscopy | 44 | 1.6K | 46 | 37 |
| 524 | Oceanography | 61 | 1.5K | 314 | 412 |
| 525 | world | 8 | 1.5K | 380 | 134 |
| 526 | Gene expression regulation | 23 | 1.5K | 201 | 173 |
| 527 | Consciousness | 25 | 1.5K | 59 | 22 |
| 528 | Education | 72 | 1.5K | 599 | 595 |
| 529 | Laser Spectroscopy | 63 | 1.5K | 35 | 48 |
| 530 | Developmental Immunology | 26 | 1.5K | 77 | 46 |
| 531 | Fiber Optics | 52 | 1.5K | 131 | 130 |
| 532 | Evolutionary economics | 20 | 1.5K | 9 | 4 |
| 532 | Population Dynamics | 20 | 1.5K | 9 | 6 |
| 534 | Mobile Computing | 49 | 1.5K | 120 | 138 |
| 535 | Bipolar Disorder | 21 | 1.5K | 81 | 63 |
| 536 | Nanoparticles | 40 | 1.5K | 328 | 348 |
| 537 | Antibacterial agents | 50 | 1.5K | 17 | 45 |
| 538 | Computer Vision | 37 | 1.5K | 184 | 255 |
| 539 | International Finance | 61 | 1.5K | 168 | 233 |
| 540 | Environmental pollutants | 47 | 1.5K | 331 | 400 |
| 540 | sexual behavior | 44 | 1.5K | 64 | 80 |
| 542 | Orthopedic Surgery | 72 | 1.5K | 41 | 65 |
| 543 | Medicinal plants | 27 | 1.5K | 268 | 239 |
| 544 | Erectile dysfunction | 44 | 1.5K | 7 | 8 |
| 545 | Synaptic Transmission | 57 | 1.5K | 17 | 37 |
| 546 | Combinatorial chemistry | 19 | 1.4K | 182 | 141 |
| 547 | Volcanoes | 38 | 1.4K | 28 | 28 |
| 548 | Community Psychology | 40 | 1.4K | 57 | 99 |
| 549 | Malaria | 25 | 1.4K | 128 | 74 |
| 550 | human development | 27 | 1.4K | 167 | 140 |
| 551 | Enzyme inhibitors | 53 | 1.4K | 8 | 15 |
| 552 | Aggression | 20 | 1.4K | 101 | 56 |
| 553 | Astrocytes | 17 | 1.4K | 110 | 87 |
| 554 | Lung Transplantation | 28 | 1.4K | 87 | 69 |
| 554 | Heart transplantation | 28 | 1.4K | 87 | 69 |
| 556 | Soil Mechanics | 45 | 1.4K | 208 | 235 |
| 557 | Systems Analysis | 47 | 1.4K | 80 | 69 |
| 558 | Antigens | 45 | 1.4K | 77 | 88 |
| 559 | Medical Anthropology | 19 | 1.4K | 379 | 297 |
| 560 | Cell communication | 39 | 1.4K | 24 | 47 |
| 561 | Mycology | 46 | 1.4K | 262 | 315 |
| 562 | Transplantation | 48 | 1.4K | 177 | 270 |
| 563 | ethanol | 31 | 1.4K | 57 | 36 |
| 564 | Psychosomatic Medicine | 32 | 1.4K | 136 | 143 |
| 565 | School Psychology | 8 | 1.3K | 243 | 75 |
| 566 | drug resistance | 32 | 1.3K | 47 | 46 |
| 567 | Computer-Aided Design | 50 | 1.3K | 129 | 165 |
| 567 | Animal ecology | 42 | 1.3K | 233 | 250 |
| 569 | Drug delivery systems | 35 | 1.3K | 250 | 329 |
| 570 | Measurement | 52 | 1.3K | 113 | 117 |
| 571 | Superconductors | 90 | 1.3K | 83 | 94 |
| 572 | Host-parasite interactions | 22 | 1.3K | 332 | 399 |
| 573 | scientific societies | 55 | 1.3K | 46 | 75 |
| 574 | Cytokine | 40 | 1.3K | 6 | 46 |
| 575 | Engineering Mathematics | 78 | 1.3K | 158 | 219 |
| 576 | water supply | 16 | 1.3K | 318 | 235 |
| 577 | drug addiction | 37 | 1.3K | 230 | 247 |
| 578 | animals | 79 | 1.3K | 67 | 101 |
| 579 | Energy metabolism | 30 | 1.3K | 125 | 146 |
| 580 | Magnetic Resonance Spectroscopy | 66 | 1.3K | 135 | 185 |
| 581 | Fuzzy systems | 75 | 1.3K | 72 | 95 |
| 582 | Pancreatic diseases | 28 | 1.3K | 37 | 25 |
| 583 | Mental Health | 56 | 1.2K | 202 | 228 |
| 584 | mutagens | 33 | 1.2K | 111 | 173 |
| 585 | Marine Pollution | 39 | 1.2K | 161 | 252 |
| 585 | Jurisprudence | 55 | 1.2K | 95 | 89 |
| 587 | Peptide | 42 | 1.2K | 9 | 9 |
| 588 | solar cells | 25 | 1.2K | 146 | 151 |
| 589 | Electromagnetism | 56 | 1.2K | 99 | 148 |
| 590 | Thin Films | 54 | 1.2K | 14 | 19 |
| 591 | Family Therapy | 44 | 1.2K | 99 | 81 |
| 592 | Heat Exchangers | 35 | 1.2K | 209 | 243 |
| 593 | Molecular Pharmacology | 28 | 1.2K | 148 | 160 |
| 594 | Urban Policy | 32 | 1.2K | 91 | 93 |
| 595 | Geometry | 113 | 1.2K | 34 | 67 |
| 596 | movement | 27 | 1.2K | 19 | 17 |
| 597 | heredity | 49 | 1.2K | 41 | 51 |
| 597 | Imaging systems | 13 | 1.2K | 213 | 15 |
| 599 | environmental exposure | 37 | 1.2K | 317 | 355 |
| 600 | machinery | 16 | 1.2K | 228 | 49 |
| 601 | Entropy | 83 | 1.2K | 14 | 25 |
| 602 | Sexuality | 36 | 1.2K | 17 | 16 |
| 603 | civil rights | 36 | 1.2K | 13 | 4 |
| 603 | sustainability | 22 | 1.2K | 166 | 194 |
| 605 | school psychologists | 2 | 1.2K | 239 | 39 |
| 606 | cell membrane | 27 | 1.2K | 130 | 139 |
| 607 | Magnetic Resonance Imaging | 25 | 1.2K | 77 | 47 |
| 608 | Phylogeny | 37 | 1.2K | 107 | 172 |
| 609 | Petroleum Geology | 49 | 1.1K | 36 | 75 |
| 610 | Algorithms | 58 | 1.1K | 9 | 30 |
| 611 | Power Electronics | 23 | 1.1K | 318 | 299 |
| 612 | Aquatic ecology | 36 | 1.1K | 104 | 95 |
| 613 | locomotion | 60 | 1.1K | 19 | 87 |
| 613 | posture | 60 | 1.1K | 19 | 87 |
| 613 | Calorimetry | 76 | 1.1K | 48 | 77 |
| 613 | gait | 60 | 1.1K | 19 | 87 |
| 613 | Thermal analysis | 76 | 1.1K | 48 | 77 |
| 613 | walking | 60 | 1.1K | 19 | 87 |
| 619 | Smoking | 21 | 1.1K | 217 | 157 |
| 620 | Biometrics | 81 | 1.1K | 91 | 201 |
| 620 | coal | 29 | 1.1K | 392 | 429 |
| 622 | Photochemistry | 42 | 1.1K | 242 | 298 |
| 623 | Data Mining | 35 | 1.1K | 84 | 149 |
| 623 | Contraception | 28 | 1.1K | 112 | 76 |
| 623 | Neuromuscular diseases | 52 | 1.1K | 48 | 105 |
| 626 | Intelligent Transportation Systems | 19 | 1.1K | 316 | 249 |
| 626 | Bacterial infections | 32 | 1.1K | 101 | 258 |
| 626 | disease outbreaks | 52 | 1.1K | 25 | 83 |
| 626 | Epidemics | 52 | 1.1K | 25 | 82 |
| 630 | Youth | 21 | 1.1K | 174 | 143 |
| 631 | Traffic Engineering | 10 | 1.1K | 159 | 61 |
| 631 | Organizational change | 24 | 1.1K | 79 | 76 |
| 633 | DNA polymerases | 9 | 1.1K | 180 | 182 |
| 634 | Radiation effects | 19 | 1.1K | 101 | 65 |
| 635 | Ethnology | 33 | 1.1K | 272 | 128 |
| 636 | Development | 12 | 1.1K | 295 | 171 |
| 637 | Marine Geology | 47 | 1.1K | 43 | 73 |
| 638 | Smart Materials | 32 | 1.1K | 134 | 134 |
| 639 | Speech Disorders | 23 | 1.1K | 316 | 221 |
| 640 | Lipids | 41 | 1.1K | 189 | 334 |
| 640 | Sedimentary rocks | 27 | 1.1K | 68 | 77 |
| 642 | Chromosome mapping | 29 | 1.1K | 421 | 456 |
| 643 | Nutrition physiology | 29 | 1.1K | 102 | 128 |
| 644 | Hemophilia | 34 | 1.1K | 60 | 55 |
| 645 | histological techniques | 26 | 1.1K | 113 | 154 |
| 645 | Growth factors | 28 | 1.1K | 7 | 50 |
| 647 | Spine | 22 | 1.1K | 185 | 166 |
| 648 | child mental health | 37 | 1.1K | 41 | 35 |
| 649 | Recombinant DNA | 55 | 1.1K | 134 | 260 |
| 650 | Nonlinear functional analysis | 107 | 1.1K | 12 | 92 |
| 651 | synthesis | 73 | 1.1K | 26 | 32 |
| 652 | Demography | 41 | 1.1K | 81 | 111 |
| 652 | Tourism | 23 | 1.1K | 442 | 463 |
| 654 | Combinatorial analysis | 107 | 1.1K | 47 | 80 |
| 655 | cardiac catheterization | 63 | 1.1K | 59 | 78 |
| 656 | Computational Fluid Dynamics | 35 | 1.1K | 59 | 57 |
| 657 | Virulence | 13 | 1.1K | 456 | 429 |
| 658 | Cognitive Therapy | 36 | 1.1K | 67 | 81 |
| 658 | isomerism | 64 | 1.1K | 2 | 12 |
| 658 | Chirality | 64 | 1.1K | 2 | 12 |
| 661 | organizational effectiveness | 29 | 1.1K | 31 | 29 |
| 662 | Crystallography | 95 | 1.0K | 121 | 185 |
| 663 | Land use | 36 | 1.0K | 120 | 175 |
| 664 | Medical Technology | 34 | 1.0K | 233 | 263 |
| 664 | Nonlinear systems | 34 | 1.0K | 70 | 71 |
| 666 | Landscape Ecology | 9 | 1.0K | 191 | 88 |
| 666 | Total Quality Management | 27 | 1.0K | 25 | 13 |
| 668 | Molecular Spectroscopy | 54 | 1.0K | 207 | 273 |
| 669 | marketing | 26 | 1.0K | 587 | 595 |
| 670 | Chemical analysis | 23 | 1.0K | 241 | 157 |
| 671 | Minerals | 42 | 1.0K | 39 | 71 |
| 672 | Stochastic Processes | 75 | 1.0K | 11 | 55 |
| 673 | Soil dynamics | 37 | 1.0K | 57 | 71 |
| 674 | Hemostasis | 53 | 1.0K | 51 | 86 |
| 675 | Molecular cloning | 52 | 1.0K | 120 | 250 |
| 675 | Genetic recombination | 52 | 1.0K | 114 | 246 |
| 677 | Economic Assistance | 7 | 1.0K | 384 | 171 |
| 678 | nuclear magnetic resonance | 59 | 1.0K | 146 | 207 |
| 679 | Political Science | 91 | 1.0K | 210 | 347 |
| 680 | Human Geography | 25 | 1.0K | 299 | 215 |
| 681 | Microscopy | 41 | 1.0K | 182 | 184 |
| 682 | Logic Programming | 14 | 1.0K | 81 | 7 |
| 683 | Environmental Law | 18 | 998 | 323 | 403 |
| 683 | Carcinogenesis | 23 | 998 | 211 | 219 |
| 685 | Industrial Safety | 40 | 991 | 137 | 162 |
| 686 | viral genetics | 7 | 985 | 149 | 164 |
| 687 | Organizational Behavior | 14 | 982 | 214 | 193 |
| 688 | Pharmacy | 61 | 977 | 302 | 507 |
| 689 | Multivariate Analysis | 38 | 973 | 37 | 73 |
| 690 | older people | 56 | 971 | 253 | 235 |
| 691 | Experimental Psychology | 15 | 970 | 235 | 162 |
| 692 | cell adhesion molecules | 19 | 954 | 4 | 17 |
| 693 | Philosophy | 105 | 949 | 191 | 203 |
| 694 | Agricultural Ecology | 16 | 945 | 325 | 315 |
| 695 | pollutants | 25 | 941 | 468 | 498 |
| 696 | Multimedia Systems | 47 | 936 | 213 | 263 |
| 697 | Heart Failure | 15 | 929 | 128 | 124 |
| 698 | Greenhouse gases | 14 | 928 | 84 | 63 |
| 699 | reasoning | 50 | 922 | 6 | 24 |
| 699 | radar | 27 | 922 | 21 | 7 |
| 699 | Chemical industry | 22 | 922 | 349 | 157 |
| 702 | Yeast | 45 | 920 | 14 | 67 |
| 703 | Primates | 36 | 917 | 101 | 121 |
| 704 | Vision | 17 | 915 | 238 | 195 |
| 705 | Androgens | 22 | 910 | 25 | 32 |
| 706 | Structural design | 24 | 909 | 156 | 139 |
| 707 | Plant Genetics | 13 | 905 | 258 | 246 |
| 707 | Histochemistry | 35 | 905 | 148 | 187 |
| 709 | Semiconductors | 62 | 898 | 274 | 348 |
| 710 | Genetic disorders | 40 | 895 | 49 | 88 |
| 711 | Africa | 44 | 894 | 184 | 142 |
| 712 | blood transfusion | 30 | 887 | 129 | 117 |
| 713 | solar power | 20 | 882 | 154 | 190 |
| 713 | global environmental change | 19 | 882 | 199 | 250 |
| 715 | Food Microbiology | 24 | 881 | 289 | 377 |
| 716 | Hydrogeology | 30 | 877 | 72 | 82 |
| 717 | Laser therapy | 56 | 875 | 14 | 18 |
| 718 | Small Business | 12 | 867 | 280 | 332 |
| 719 | Tissue Engineering | 10 | 861 | 103 | 56 |
| 720 | Informatics | 49 | 858 | 42 | 154 |
| 721 | Bibliometrics | 16 | 854 | 22 | 23 |
| 722 | Endocrine glands | 12 | 847 | 58 | 89 |
| 723 | commerce | 28 | 842 | 295 | 411 |
| 724 | Biogeochemistry | 18 | 839 | 385 | 423 |
| 725 | Forest Ecology | 18 | 832 | 341 | 293 |
| 725 | Superconductivity | 33 | 832 | 63 | 61 |
| 727 | Environmental Microbiology | 19 | 831 | 416 | 494 |
| 728 | Boundary Value Problems | 31 | 830 | 123 | 127 |
| 728 | Wildlife management | 19 | 830 | 174 | 82 |
| 730 | Radioisotopes | 44 | 829 | 122 | 102 |
| 731 | Quantum Mechanics | 21 | 828 | 14 | 4 |
| 732 | Antenna Arrays | 30 | 827 | 105 | 120 |
| 733 | carcinogens | 20 | 821 | 228 | 252 |
| 734 | Photography | 237 | 815 | 108 | 105 |
| 735 | embryo transfer | 27 | 814 | 50 | 39 |
| 736 | Audiology | 42 | 811 | 130 | 174 |
| 737 | soil microbiology | 13 | 810 | 647 | 616 |
| 737 | elasticity | 23 | 810 | 28 | 21 |
| 739 | Microbial Genetics | 11 | 803 | 109 | 79 |
| 740 | Nutritional support | 23 | 801 | 8 | 21 |
| 741 | child abuse | 12 | 800 | 347 | 245 |
| 742 | General Surgery | 33 | 794 | 141 | 109 |
| 743 | Language Disorders | 22 | 793 | 251 | 193 |
| 744 | Post-traumatic stress disorder | 26 | 792 | 165 | 215 |
| 745 | Turbulence | 49 | 787 | 6 | 16 |
| 746 | Metallurgy | 40 | 785 | 526 | 638 |
| 747 | Geotechnical Engineering | 26 | 784 | 120 | 122 |
| 748 | phytopathogenic bacteria | 10 | 783 | 93 | 78 |
| 749 | Bacteria | 20 | 780 | 54 | 95 |
| 750 | Sedimentology | 18 | 777 | 141 | 139 |
| 751 | energy resources | 29 | 776 | 282 | 624 |
| 752 | catalytic activity | 24 | 775 | 125 | 173 |
| 753 | Radio wave propagation | 34 | 772 | 103 | 74 |
| 754 | Atherosclerosis | 25 | 769 | 7 | 14 |
| 755 | Software Engineering | 24 | 768 | 252 | 260 |
| 756 | Geriatric Psychiatry | 21 | 763 | 238 | 204 |
| 757 | Tunneling | 24 | 762 | 68 | 105 |
| 757 | underground construction | 24 | 762 | 68 | 105 |
| 759 | Tribology | 29 | 761 | 241 | 262 |
| 759 | Parallel Processing | 29 | 761 | 75 | 140 |
| 761 | Family | 24 | 760 | 261 | 226 |
| 762 | technology transfer | 5 | 758 | 143 | 35 |
| 762 | health planning | 51 | 758 | 289 | 448 |
| 764 | Fractals | 46 | 754 | 75 | 196 |
| 765 | preimplantation genetic diagnosis | 26 | 751 | 50 | 39 |
| 766 | Rock Mechanics | 30 | 749 | 214 | 287 |
| 767 | Solitons | 45 | 745 | 76 | 198 |
| 767 | Chaos | 45 | 745 | 76 | 198 |
| 769 | biological invasions | 17 | 744 | 136 | 111 |
| 770 | Industrial Policy | 33 | 742 | 32 | 102 |
| 770 | Autism | 21 | 742 | 173 | 215 |
| 772 | Europa | 20 | 738 | 103 | 94 |
| 773 | Methodology | 62 | 737 | 3 | 26 |
| 774 | Developmental Neurobiology | 35 | 735 | 27 | 66 |
| 775 | embryonic development | 16 | 734 | 86 | 66 |
| 776 | Organometallic chemistry | 47 | 730 | 314 | 420 |
| 777 | Multiple sclerosis | 57 | 727 | 16 | 38 |
| 778 | econometric models | 42 | 726 | 15 | 75 |
| 779 | mycoses | 13 | 724 | 266 | 335 |
| 779 | biochemical markers | 24 | 724 | 54 | 42 |
| 781 | mutation | 28 | 721 | 70 | 146 |
| 782 | Occupational Health | 36 | 718 | 146 | 200 |
| 783 | individual differences | 13 | 714 | 71 | 61 |
| 784 | bioclimatology | 20 | 713 | 171 | 154 |
| 785 | Neonatology | 30 | 711 | 56 | 91 |
| 786 | Nuclear Energy | 35 | 710 | 191 | 178 |
| 787 | biomedicine | 16 | 708 | 93 | 71 |
| 788 | Ceramics | 19 | 706 | 482 | 351 |
| 789 | Landslides | 23 | 705 | 27 | 58 |
| 789 | Human biology | 43 | 705 | 51 | 95 |
| 791 | Human-Computer Interaction | 32 | 704 | 234 | 378 |
| 792 | Cosmochemistry | 30 | 702 | 159 | 277 |
| 793 | Mental Health Services | 27 | 700 | 280 | 284 |
| 794 | Interfaces | 41 | 697 | 4 | 13 |
| 795 | Glass | 15 | 695 | 402 | 312 |
| 795 | pottery | 15 | 695 | 386 | 305 |
| 797 | Geodesy | 19 | 691 | 145 | 98 |
| 798 | Gastrointestinal diseases | 28 | 689 | 57 | 68 |
| 799 | Neurogenetics | 18 | 688 | 52 | 31 |
| 800 | structural stability | 14 | 686 | 83 | 86 |
| 801 | Nursing | 19 | 683 | 678 | 366 |
| 801 | software | 30 | 683 | 130 | 275 |
| 803 | Product life cycle | 9 | 682 | 101 | 65 |
| 803 | green products | 9 | 682 | 94 | 65 |
| 805 | Thorax | 5 | 680 | 275 | 136 |
| 806 | Heterocyclic compounds | 48 | 677 | 78 | 65 |
| 807 | Immunopharmacology | 33 | 671 | 147 | 229 |
| 808 | Cardiovascular Pharmacology | 33 | 668 | 9 | 16 |
| 808 | concrete | 28 | 668 | 204 | 419 |
| 810 | Business Ethics | 6 | 662 | 693 | 530 |
| 811 | Atmospheric Physics | 29 | 661 | 440 | 591 |
| 812 | Economic planning | 39 | 658 | 14 | 68 |
| 813 | X-rays | 24 | 654 | 68 | 38 |
| 814 | organization | 13 | 653 | 324 | 381 |
| 815 | Chronobiology | 32 | 648 | 38 | 70 |
| 815 | biological clocks | 32 | 648 | 38 | 70 |
| 815 | Mutagenesis | 20 | 648 | 40 | 32 |
| 815 | circadian rhythm | 32 | 648 | 38 | 70 |
| 815 | Maps | 32 | 648 | 11 | 9 |
| 820 | Chronic diseases | 13 | 647 | 272 | 297 |
| 821 | Speech | 17 | 645 | 312 | 305 |
| 822 | Simulation Methods | 60 | 643 | 16 | 94 |
| 822 | Ultrasonics | 17 | 643 | 385 | 394 |
| 824 | industrial hygiene | 32 | 640 | 131 | 93 |
| 824 | biological rhythms | 29 | 640 | 42 | 69 |
| 826 | Financial Institutions | 13 | 638 | 57 | 51 |
| 827 | Photogrammetry | 109 | 637 | 35 | 39 |
| 827 | Emotions | 20 | 637 | 168 | 251 |
| 829 | Asia | 28 | 636 | 670 | 526 |
| 830 | freshwater biology | 22 | 635 | 193 | 232 |
| 831 | Psychometrics | 25 | 633 | 95 | 152 |
| 832 | Global Health | 19 | 630 | 261 | 175 |
| 832 | language | 8 | 630 | 449 | 258 |
| 834 | Computational Intelligence | 21 | 626 | 93 | 84 |
| 835 | Scandinavia | 21 | 625 | 118 | 115 |
| 836 | Optical Communications | 34 | 621 | 113 | 136 |
| 836 | feeding behavior | 22 | 621 | 179 | 243 |
| 836 | Fungi | 20 | 621 | 298 | 421 |
| 836 | World Wide Web | 12 | 621 | 84 | 22 |
| 840 | Medical Imaging | 21 | 620 | 64 | 62 |
| 841 | Asthma | 25 | 618 | 87 | 100 |
| 842 | occupational diseases | 25 | 616 | 151 | 222 |
| 843 | atmospheric models | 24 | 611 | 183 | 284 |
| 844 | visualization | 48 | 610 | 238 | 249 |
| 845 | Apoptosis | 12 | 607 | 44 | 28 |
| 845 | neurotoxins | 12 | 607 | 44 | 28 |
| 845 | Neurotoxic agents | 12 | 607 | 44 | 28 |
| 845 | Nerve regeneration | 12 | 607 | 44 | 28 |
| 849 | Seismology | 14 | 606 | 181 | 127 |
| 849 | Classification | 45 | 606 | 3 | 78 |
| 851 | Land Use Planning | 22 | 603 | 47 | 109 |
| 852 | Cell division | 20 | 601 | 40 | 75 |
| 853 | Mechatronics | 9 | 590 | 434 | 238 |
| 854 | Plant Morphology | 20 | 589 | 102 | 89 |
| 855 | Circadian rhythms | 21 | 588 | 42 | 68 |
| 855 | Antiviral agents | 26 | 588 | 29 | 56 |
| 857 | Women's health | 23 | 582 | 277 | 270 |
| 858 | Pathogens | 15 | 581 | 3 | 2 |
| 858 | Ultrasound | 16 | 581 | 242 | 196 |
| 860 | Genetic Toxicology | 15 | 578 | 67 | 110 |
| 860 | Synchrotron Radiation | 27 | 578 | 44 | 50 |
| 860 | China | 58 | 578 | 443 | 791 |
| 863 | Linguistics | 42 | 577 | 270 | 359 |
| 863 | Magnetic Materials | 21 | 577 | 532 | 525 |
| 863 | Reproductive toxicology | 9 | 577 | 148 | 101 |
| 866 | families | 22 | 574 | 230 | 200 |
| 867 | Sonar | 23 | 572 | 22 | 16 |
| 867 | Navigation | 24 | 572 | 38 | 28 |
| 869 | Chemical structure | 31 | 569 | 20 | 37 |
| 870 | particle accelerators | 24 | 565 | 15 | 16 |
| 871 | Soil Science | 22 | 564 | 588 | 748 |
| 872 | Occupational Therapy | 27 | 563 | 208 | 131 |
| 873 | Insect biochemistry | 8 | 558 | 213 | 147 |
| 874 | particle beams | 23 | 556 | 15 | 16 |
| 875 | Regional Economics | 16 | 554 | 89 | 81 |
| 875 | medical education | 33 | 554 | 396 | 511 |
| 875 | Information society | 9 | 554 | 22 | 6 |
| 878 | sports injuries | 24 | 553 | 72 | 61 |
| 879 | Ceramic materials | 21 | 549 | 383 | 394 |
| 879 | children | 12 | 549 | 161 | 156 |
| 881 | Elderly | 39 | 548 | 253 | 187 |
| 882 | Nuclear Chemistry | 27 | 547 | 252 | 201 |
| 883 | Macroeconomics | 35 | 546 | 6 | 51 |
| 883 | hazard mitigation | 21 | 546 | 148 | 225 |
| 885 | Economic Geography | 12 | 545 | 112 | 76 |
| 886 | Paleobotany | 14 | 538 | 28 | 33 |
| 886 | Vegetation dynamics | 14 | 538 | 26 | 32 |
| 886 | RNA | 16 | 538 | 142 | 199 |
| 889 | Marine Ecology | 25 | 536 | 154 | 182 |
| 889 | Psychoanalysis | 47 | 536 | 34 | 33 |
| 891 | Food Policy | 2 | 535 | 373 | 101 |
| 891 | agricultural policy | 2 | 535 | 288 | 85 |
| 893 | planning | 39 | 534 | 47 | 111 |
| 894 | Energy Storage | 19 | 532 | 407 | 495 |
| 895 | Celestial Mechanics | 28 | 530 | 30 | 42 |
| 896 | Interactive multimedia | 14 | 525 | 181 | 182 |
| 897 | Atmospheric Chemistry | 20 | 524 | 336 | 498 |
| 897 | Forest Management | 15 | 524 | 363 | 385 |
| 899 | Kidney diseases | 18 | 523 | 250 | 282 |
| 900 | micromechanics | 19 | 520 | 159 | 161 |
| 901 | Memory disorders | 10 | 519 | 93 | 59 |
| 902 | Municipal Engineering | 22 | 517 | 13 | 29 |
| 903 | Entrepreneurship | 13 | 513 | 338 | 528 |
| 904 | Bioremediation | 21 | 512 | 86 | 202 |
| 904 | Production Management | 13 | 512 | 503 | 662 |
| 904 | nuclear magnetic resonance spectroscopy | 14 | 512 | 280 | 182 |
| 907 | air quality management | 16 | 511 | 85 | 118 |
| 907 | vitamin C | 21 | 511 | 24 | 107 |
| 907 | vitamin E | 21 | 511 | 24 | 107 |
| 910 | Health Education | 27 | 509 | 506 | 584 |
| 910 | Japan | 25 | 509 | 404 | 358 |
| 912 | Communication Disorders | 19 | 507 | 43 | 51 |
| 913 | toxicity testing | 13 | 505 | 148 | 118 |
| 913 | Protein engineering | 17 | 505 | 32 | 59 |
| 913 | molecular design | 18 | 505 | 32 | 58 |
| 916 | preventive medicine | 14 | 500 | 447 | 472 |
| 917 | Criminal psychology | 22 | 497 | 229 | 275 |
| 917 | Bone diseases | 16 | 497 | 105 | 223 |
| 919 | Herbal medicine | 10 | 496 | 269 | 232 |
| 919 | Food additives | 20 | 496 | 287 | 451 |
| 921 | Social problems | 14 | 494 | 211 | 248 |
| 921 | Middle East | 29 | 494 | 144 | 136 |
| 923 | Ergonomics | 23 | 493 | 264 | 278 |
| 923 | Avionics | 13 | 493 | 18 | 10 |
| 925 | Labor Economics | 33 | 492 | 37 | 144 |
| 926 | Industrial Organization | 7 | 490 | 173 | 80 |
| 927 | Plastics | 23 | 489 | 497 | 510 |
| 928 | Educational Technology | 21 | 487 | 441 | 538 |
| 929 | Sound | 22 | 485 | 278 | 277 |
| 930 | Neurolinguistics | 10 | 479 | 187 | 186 |
| 930 | Information Retrieval | 19 | 479 | 81 | 161 |
| 932 | Quantum Communication | 15 | 478 | 30 | 68 |
| 932 | complementary therapies | 22 | 478 | 370 | 457 |
| 932 | Germany | 50 | 478 | 63 | 37 |
| 935 | multimedia | 12 | 475 | 188 | 188 |
| 936 | Oral Medicine | 34 | 472 | 72 | 112 |
| 936 | Cement | 21 | 472 | 140 | 350 |
| 938 | homosexuality | 16 | 471 | 77 | 93 |
| 938 | Autonomous robots | 13 | 471 | 27 | 55 |
| 940 | Pharmacokinetics | 17 | 470 | 200 | 291 |
| 941 | Cross-Cultural Studies | 23 | 468 | 79 | 150 |
| 941 | Ultrasonic Imaging | 11 | 468 | 191 | 111 |
| 943 | Geriatric Pharmacology | 21 | 461 | 25 | 61 |
| 944 | Crystal growth | 16 | 460 | 364 | 365 |
| 945 | Animal | 23 | 459 | 10 | 12 |
| 946 | Liquid Crystals | 48 | 458 | 118 | 129 |
| 947 | counseling | 21 | 457 | 434 | 438 |
| 948 | Soil biology | 8 | 453 | 547 | 539 |
| 949 | Neurovirology | 18 | 449 | 45 | 60 |
| 949 | Alternative Medicine | 19 | 449 | 379 | 472 |
| 951 | Pharmacogenetics | 19 | 448 | 249 | 365 |
| 952 | Biodegradation | 17 | 447 | 105 | 215 |
| 953 | Radiochemistry | 27 | 446 | 199 | 207 |
| 954 | Geothermal Energy | 13 | 444 | 56 | 48 |
| 954 | speech therapy | 9 | 444 | 212 | 111 |
| 956 | Space telescopes | 8 | 442 | 80 | 28 |
| 956 | Radiotherapy | 67 | 442 | 23 | 56 |
| 958 | Endocrine system | 43 | 439 | 74 | 55 |
| 958 | Australia | 29 | 439 | 366 | 506 |
| 960 | Computational Chemistry | 9 | 437 | 344 | 276 |
| 961 | Randomized Controlled Trials | 29 | 436 | 196 | 228 |
| 962 | drug abuse | 22 | 435 | 141 | 163 |
| 963 | Sun | 20 | 434 | 117 | 136 |
| 964 | Forensic Genetics | 15 | 432 | 64 | 83 |
| 965 | Forensic Psychiatry | 22 | 430 | 125 | 139 |
| 966 | Geographic information systems | 13 | 429 | 399 | 232 |
| 966 | Zoonoses | 8 | 429 | 98 | 59 |
| 968 | Plant tissue culture | 14 | 428 | 197 | 213 |
| 969 | Continental shelf | 5 | 426 | 258 | 140 |
| 970 | data protection | 12 | 424 | 132 | 87 |
| 971 | Happiness | 15 | 422 | 53 | 125 |
| 972 | Environmental Geochemistry | 13 | 418 | 96 | 77 |
| 973 | Petroleum Engineering | 13 | 417 | 272 | 240 |
| 973 | Technological Innovations | 17 | 417 | 249 | 386 |
| 975 | Plant cell culture | 9 | 415 | 275 | 217 |
| 976 | Evolutionary Genetics | 17 | 414 | 90 | 154 |
| 976 | Molecular Epidemiology | 17 | 414 | 90 | 154 |
| 978 | Law | 21 | 413 | 402 | 227 |
| 979 | Humanities | 25 | 410 | 328 | 314 |
| 980 | Comparative Psychology | 8 | 409 | 47 | 64 |
| 980 | Drug discovery | 7 | 409 | 92 | 55 |
| 980 | Recycling | 11 | 409 | 210 | 397 |
| 983 | Graph Theory | 34 | 408 | 109 | 138 |
| 984 | Neuroanatomy | 10 | 404 | 47 | 52 |
| 985 | Interferons | 19 | 403 | 20 | 55 |
| 986 | soil conservation | 7 | 400 | 457 | 271 |
| 987 | Periglacial processes | 7 | 399 | 58 | 48 |
| 987 | Permafrost | 7 | 399 | 58 | 48 |
| 987 | Frozen ground | 7 | 399 | 61 | 48 |
| 990 | Research Design | 25 | 396 | 269 | 512 |
| 990 | tomography | 24 | 396 | 57 | 78 |
| 992 | Enzyme | 6 | 395 | 307 | 209 |
| 993 | Intercultural Communication | 15 | 394 | 77 | 110 |
| 993 | weather | 12 | 394 | 165 | 178 |
| 995 | Nanobiotechnology | 7 | 393 | 189 | 216 |
| 996 | Number Theory | 28 | 392 | 159 | 74 |
| 997 | Biomass | 10 | 391 | 232 | 294 |
| 998 | infrared radiation | 49 | 390 | 26 | 81 |
| 998 | Hearing | 18 | 390 | 215 | 229 |
| 1000 | Marine Meteorology | 10 | 388 | 171 | 171 |