| 1 | Physics | 4,814 | 310.1K | 45 | 77 |
| 2 | Science | 2,300 | 157.8K | 111 | 163 |
| 3 | Biology | 1,900 | 139.4K | 130 | 187 |
| 4 | Nuclear Physics | 3,222 | 138.5K | 24 | 23 |
| 5 | Astrophysics | 1,404 | 137.6K | 98 | 73 |
| 6 | Biochemistry | 3,791 | 136.5K | 46 | 85 |
| 7 | Molecular Biology | 2,504 | 115.0K | 48 | 110 |
| 8 | Medicine | 2,300 | 112.6K | 110 | 122 |
| 9 | Neurology | 2,235 | 110.2K | 52 | 78 |
| 10 | Astronomy | 1,169 | 105.3K | 106 | 79 |
| 11 | Chemistry | 2,677 | 103.5K | 109 | 224 |
| 12 | Research | 1,848 | 73.6K | 88 | 87 |
| 13 | Quantum Gravity | 1,320 | 70.6K | 13 | 19 |
| 14 | Biophysics | 1,828 | 61.2K | 25 | 34 |
| 15 | Metabolism | 578 | 56.3K | 46 | 20 |
| 16 | Condensed Matter | 1,429 | 56.1K | 39 | 51 |
| 17 | Cell Biology | 804 | 55.4K | 61 | 109 |
| 18 | Natural history | 480 | 55.0K | 93 | 215 |
| 19 | Cytology | 772 | 51.6K | 94 | 127 |
| 20 | Nutrition | 661 | 50.1K | 35 | 15 |
| 21 | Hematology | 1,074 | 47.7K | 28 | 46 |
| 22 | Spectrum analysis | 660 | 47.6K | 131 | 126 |
| 23 | Human genetics | 293 | 41.7K | 76 | 125 |
| 24 | Statistical physics | 1,368 | 39.1K | 13 | 35 |
| 25 | Solid State Physics | 1,226 | 39.1K | 59 | 87 |
| 26 | Endocrinology | 611 | 38.8K | 70 | 77 |
| 27 | Medical genetics | 563 | 36.8K | 51 | 64 |
| 28 | Mathematical Physics | 1,087 | 36.1K | 4 | 9 |
| 29 | Genetics | 421 | 34.5K | 127 | 114 |
| 30 | Ecology | 639 | 34.1K | 208 | 252 |
| 31 | Pharmaceutical Chemistry | 831 | 33.1K | 11 | 26 |
| 32 | Microbiology | 701 | 32.9K | 204 | 269 |
| 33 | Nervous system | 844 | 32.8K | 4 | 33 |
| 34 | Neurophysiology | 595 | 30.5K | 57 | 97 |
| 35 | Pharmacology | 1,025 | 29.2K | 72 | 114 |
| 36 | Parenteral nutrition | 137 | 28.8K | 11 | 1 |
| 37 | Metabolic diseases | 396 | 28.6K | 54 | 66 |
| 38 | Brain | 527 | 27.6K | 46 | 45 |
| 39 | Materials | 415 | 27.3K | 403 | 250 |
| 40 | Immunology | 563 | 26.9K | 88 | 130 |
| 41 | Enteral nutrition | 109 | 26.8K | 8 | 1 |
| 42 | Environment | 411 | 26.1K | 162 | 214 |
| 43 | Psychophysiology | 561 | 25.4K | 68 | 93 |
| 44 | Behavior | 490 | 25.0K | 67 | 74 |
| 45 | Cancer | 581 | 24.3K | 67 | 103 |
| 46 | Biotechnology | 474 | 24.3K | 165 | 206 |
| 47 | Virology | 305 | 24.0K | 141 | 164 |
| 48 | Nanotechnology | 517 | 23.8K | 183 | 229 |
| 49 | Mathematics | 1,447 | 23.7K | 51 | 53 |
| 50 | Physiology | 522 | 23.3K | 124 | 123 |
| 51 | Electrochemistry | 693 | 23.2K | 73 | 44 |
| 52 | Psychiatry | 528 | 23.1K | 132 | 157 |
| 53 | Psychology | 684 | 22.8K | 122 | 164 |
| 54 | Botany | 657 | 22.6K | 81 | 159 |
| 55 | Nonlinear Dynamics | 707 | 22.0K | 5 | 13 |
| 56 | Clinical Chemistry | 455 | 21.9K | 21 | 21 |
| 57 | Pollution | 411 | 21.5K | 186 | 234 |
| 58 | Materials Science | 302 | 21.3K | 278 | 173 |
| 59 | Sleep | 299 | 21.2K | 23 | 11 |
| 60 | pain | 429 | 21.1K | 7 | 20 |
| 61 | Neuropsychology | 434 | 18.5K | 17 | 25 |
| 62 | Geophysics | 575 | 17.5K | 138 | 198 |
| 63 | Analytical Chemistry | 475 | 17.3K | 107 | 120 |
| 64 | human behavior | 219 | 15.5K | 100 | 93 |
| 65 | Liver diseases | 208 | 15.4K | 37 | 55 |
| 66 | Chemical Engineering | 341 | 15.3K | 273 | 265 |
| 67 | Sleep Disorders | 297 | 15.2K | 26 | 17 |
| 68 | Optics | 873 | 15.1K | 92 | 126 |
| 69 | Economics | 711 | 15.1K | 48 | 136 |
| 70 | Cell differentiation | 172 | 14.9K | 75 | 78 |
| 71 | Colloids | 425 | 14.7K | 113 | 138 |
| 72 | Aging | 282 | 14.7K | 111 | 70 |
| 73 | Biomedical Engineering | 377 | 14.6K | 157 | 154 |
| 74 | Automation | 228 | 14.6K | 84 | 81 |
| 75 | Catalysis | 378 | 14.5K | 170 | 245 |
| 76 | Polymers | 413 | 14.2K | 235 | 233 |
| 77 | Cell death | 230 | 13.7K | 19 | 40 |
| 78 | Surgery | 194 | 13.7K | 81 | 102 |
| 79 | Neurochemistry | 312 | 13.3K | 58 | 79 |
| 80 | environmental pollution | 282 | 13.3K | 163 | 171 |
| 81 | Organic Chemistry | 376 | 13.1K | 41 | 61 |
| 82 | Signal Processing | 244 | 13.0K | 126 | 114 |
| 83 | Diabetes | 228 | 12.8K | 81 | 103 |
| 84 | Environmental Management | 199 | 12.8K | 53 | 27 |
| 85 | Environmental Health | 319 | 12.7K | 211 | 287 |
| 86 | Bioengineering | 192 | 12.6K | 273 | 249 |
| 87 | proteins | 247 | 12.4K | 33 | 31 |
| 88 | Plants | 278 | 12.3K | 27 | 92 |
| 89 | Europe | 669 | 12.2K | 21 | 43 |
| 90 | Immunopathology | 499 | 12.2K | 2 | 5 |
| 91 | Autoimmunity | 171 | 12.1K | 5 | 4 |
| 92 | Diabetes mellitus | 201 | 12.1K | 80 | 98 |
| 93 | Animal Behavior | 171 | 12.1K | 149 | 100 |
| 94 | Neurobiology | 213 | 12.1K | 71 | 91 |
| 95 | Diet | 224 | 12.0K | 54 | 75 |
| 96 | Reproduction | 286 | 11.9K | 54 | 49 |
| 97 | Physical Chemistry | 340 | 11.8K | 21 | 64 |
| 98 | Surface Chemistry | 440 | 11.7K | 91 | 163 |
| 99 | Leukemia | 202 | 11.4K | 14 | 34 |
| 100 | Pathology | 290 | 11.4K | 64 | 97 |
| 101 | Geology | 274 | 11.4K | 193 | 180 |
| 102 | Electronics | 232 | 11.3K | 199 | 119 |
| 103 | Parasitology | 221 | 11.1K | 49 | 21 |
| 104 | Cognition | 277 | 11.1K | 48 | 75 |
| 105 | Artificial Intelligence | 293 | 11.0K | 97 | 146 |
| 105 | Ethology | 136 | 11.0K | 117 | 75 |
| 107 | Earthquake Engineering | 323 | 11.0K | 26 | 32 |
| 108 | Oncology | 262 | 11.0K | 53 | 156 |
| 109 | personality | 216 | 10.9K | 43 | 76 |
| 110 | Cerebral cortex | 187 | 10.7K | 14 | 24 |
| 111 | Bioorganic chemistry | 255 | 10.6K | 45 | 60 |
| 112 | transport vesicles | 5 | 10.5K | 113 | 120 |
| 113 | Developmental Biology | 135 | 10.3K | 170 | 146 |
| 113 | Composite Materials | 232 | 10.3K | 120 | 133 |
| 115 | Mental Disorders | 202 | 10.2K | 154 | 176 |
| 116 | Social Psychology | 242 | 10.1K | 97 | 143 |
| 117 | cell physiology | 201 | 10.0K | 40 | 56 |
| 118 | Biocompatible Materials | 194 | 10.0K | 327 | 346 |
| 119 | Obesity | 256 | 9.8K | 50 | 77 |
| 120 | Toxicology | 304 | 9.8K | 189 | 239 |
| 121 | Immunity | 364 | 9.8K | 30 | 200 |
| 122 | Child Development | 157 | 9.6K | 137 | 103 |
| 123 | Biodiversity conservation | 129 | 9.4K | 84 | 129 |
| 124 | Pediatric Neurology | 92 | 9.4K | 64 | 66 |
| 125 | Oncogenes | 124 | 9.3K | 41 | 52 |
| 126 | Geochemistry | 298 | 9.3K | 76 | 154 |
| 127 | Pediatrics | 289 | 9.3K | 96 | 145 |
| 128 | Medical Microbiology | 229 | 9.2K | 66 | 126 |
| 129 | Renewable Energy Sources | 126 | 9.1K | 122 | 166 |
| 130 | Embryology | 116 | 9.0K | 129 | 105 |
| 131 | United States | 218 | 8.9K | 359 | 302 |
| 132 | protein | 137 | 8.9K | 31 | 32 |
| 133 | Child psychology | 96 | 8.8K | 178 | 115 |
| 134 | Plant Ecology | 179 | 8.8K | 45 | 68 |
| 135 | Engineering | 292 | 8.4K | 118 | 95 |
| 136 | Growth | 55 | 8.4K | 177 | 106 |
| 137 | Hypertension | 148 | 8.2K | 114 | 153 |
| 138 | Public Health | 508 | 8.1K | 178 | 389 |
| 139 | Cardiovascular system | 131 | 8.1K | 135 | 174 |
| 140 | biological evolution | 185 | 8.0K | 106 | 198 |
| 141 | Statistics | 398 | 7.9K | 59 | 131 |
| 142 | Telecommunication | 164 | 7.8K | 189 | 167 |
| 143 | free radicals | 145 | 7.7K | 24 | 45 |
| 144 | Control Theory | 256 | 7.7K | 35 | 41 |
| 145 | Psychopharmacology | 188 | 7.6K | 57 | 100 |
| 146 | Photonics | 114 | 7.6K | 179 | 135 |
| 147 | Diagnostic Imaging | 196 | 7.5K | 53 | 60 |
| 148 | Cardiovascular diseases | 262 | 7.4K | 13 | 27 |
| 149 | Parasitic Diseases | 189 | 7.4K | 31 | 37 |
| 150 | Environmental monitoring | 175 | 7.3K | 170 | 220 |
| 151 | Immune system | 311 | 7.3K | 3 | 120 |
| 152 | Water pollution | 183 | 7.3K | 108 | 161 |
| 153 | Mechanics | 269 | 7.3K | 4 | 9 |
| 154 | Biodiversity | 131 | 7.1K | 100 | 103 |
| 155 | Evolution | 239 | 7.1K | 57 | 178 |
| 156 | Environmental Engineering | 155 | 7.1K | 238 | 283 |
| 157 | Medical Oncology | 170 | 6.9K | 92 | 102 |
| 158 | miniaturization | 87 | 6.9K | 173 | 161 |
| 159 | Critical Care | 92 | 6.8K | 148 | 153 |
| 160 | Geriatrics | 204 | 6.8K | 176 | 168 |
| 161 | Critical Care Medicine | 89 | 6.7K | 153 | 153 |
| 162 | Sports Medicine | 208 | 6.6K | 94 | 124 |
| 163 | Structural dynamics | 171 | 6.6K | 26 | 42 |
| 164 | Oxidative stress | 83 | 6.5K | 8 | 5 |
| 165 | Operations Research | 241 | 6.5K | 50 | 91 |
| 166 | nanoscience | 137 | 6.4K | 232 | 286 |
| 167 | polymerization | 217 | 6.4K | 349 | 365 |
| 168 | Urology | 208 | 6.3K | 78 | 95 |
| 169 | Genomics | 170 | 6.2K | 163 | 198 |
| 170 | fertility | 105 | 6.2K | 59 | 47 |
| 171 | Stem cells | 99 | 6.2K | 92 | 59 |
| 172 | Infertility | 104 | 6.1K | 52 | 45 |
| 173 | plant molecular biology | 66 | 6.1K | 203 | 186 |
| 174 | drug therapy | 210 | 6.0K | 97 | 133 |
| 175 | Radio | 151 | 6.0K | 82 | 115 |
| 176 | Plant cells | 46 | 6.0K | 232 | 197 |
| 177 | System analysis | 197 | 6.0K | 46 | 59 |
| 178 | Bacteriology | 144 | 5.9K | 120 | 193 |
| 179 | Eating Disorders | 169 | 5.9K | 21 | 26 |
| 180 | Water | 116 | 5.9K | 217 | 269 |
| 181 | Feeding and Eating Disorders | 168 | 5.9K | 18 | 24 |
| 182 | Cytogenetics | 74 | 5.8K | 135 | 135 |
| 183 | Neurosurgery | 136 | 5.8K | 11 | 18 |
| 184 | computer networks | 202 | 5.8K | 68 | 103 |
| 185 | Biological Systems | 168 | 5.8K | 1 | 1 |
| 186 | Soft Condensed Matter | 162 | 5.7K | 15 | 22 |
| 187 | Obstetrics | 221 | 5.7K | 116 | 147 |
| 188 | Environmental Policy | 128 | 5.7K | 206 | 273 |
| 189 | Cosmology | 120 | 5.7K | 2 | 3 |
| 190 | Geriatric Oncology | 145 | 5.7K | 3 | 1 |
| 191 | plant communities | 104 | 5.7K | 35 | 61 |
| 192 | Microelectronics | 88 | 5.6K | 178 | 166 |
| 193 | extraterrestrial environment | 270 | 5.6K | 5 | 6 |
| 194 | Anatomy | 116 | 5.6K | 167 | 162 |
| 195 | industrial waste | 92 | 5.6K | 7 | 7 |
| 196 | Structural Engineering | 160 | 5.6K | 101 | 86 |
| 197 | Immunotherapy | 118 | 5.6K | 99 | 153 |
| 198 | Hazardous waste | 88 | 5.6K | 7 | 7 |
| 199 | radioactive waste | 87 | 5.5K | 7 | 7 |
| 200 | Energy Policy | 135 | 5.5K | 133 | 206 |
| 201 | Disease | 17 | 5.5K | 35 | 75 |
| 202 | Molecular Genetics | 111 | 5.5K | 127 | 157 |
| 203 | astronomical phenomena | 267 | 5.5K | 5 | 6 |
| 204 | infection | 172 | 5.5K | 31 | 59 |
| 205 | Clinical Immunology | 139 | 5.4K | 30 | 20 |
| 206 | Meteorology | 108 | 5.4K | 237 | 240 |
| 207 | Robotics | 108 | 5.4K | 92 | 62 |
| 208 | Oxidation-reduction | 73 | 5.4K | 15 | 24 |
| 209 | Wireless Communication Systems | 182 | 5.4K | 138 | 160 |
| 210 | Memory | 213 | 5.4K | 78 | 139 |
| 211 | diseases | 14 | 5.4K | 61 | 77 |
| 212 | Environmental Chemistry | 60 | 5.4K | 211 | 190 |
| 213 | Biochemical Engineering | 112 | 5.3K | 347 | 484 |
| 214 | Medical Physics | 107 | 5.2K | 175 | 120 |
| 215 | Earth Sciences | 175 | 5.1K | 193 | 300 |
| 216 | Mental illness | 110 | 5.1K | 149 | 197 |
| 217 | Infections | 147 | 5.1K | 18 | 47 |
| 218 | Light | 46 | 5.0K | 98 | 94 |
| 219 | Radio waves | 128 | 5.0K | 56 | 58 |
| 220 | Electromagnetic compatibility | 121 | 5.0K | 4 | 2 |
| 221 | biological factors | 223 | 5.0K | 6 | 48 |
| 222 | Social Change | 40 | 4.9K | 57 | 9 |
| 223 | Statistical Mechanics | 206 | 4.9K | 13 | 21 |
| 224 | Muscles | 87 | 4.9K | 33 | 24 |
| 225 | biopolymers | 133 | 4.9K | 32 | 34 |
| 226 | Sociology | 236 | 4.9K | 138 | 249 |
| 227 | Genetic engineering | 76 | 4.8K | 177 | 132 |
| 228 | Cellular senescence | 56 | 4.8K | 1 | 4 |
| 229 | Signal Transduction | 84 | 4.8K | 74 | 90 |
| 230 | Epidemiology | 404 | 4.8K | 87 | 323 |
| 231 | Sexual health | 150 | 4.7K | 8 | 8 |
| 232 | Nuclear Medicine | 124 | 4.7K | 39 | 53 |
| 233 | Fluid Dynamics | 133 | 4.7K | 37 | 31 |
| 234 | environmental indicators | 83 | 4.7K | 24 | 14 |
| 235 | Plant physiology | 105 | 4.7K | 204 | 244 |
| 236 | natural products | 224 | 4.7K | 15 | 53 |
| 237 | vibration | 131 | 4.6K | 40 | 44 |
| 238 | Image Processing | 127 | 4.6K | 150 | 200 |
| 239 | Computational Biology | 130 | 4.5K | 168 | 250 |
| 240 | Neurons | 18 | 4.5K | 190 | 172 |
| 241 | Energy Conversion | 17 | 4.5K | 454 | 177 |
| 242 | Cerebellum | 77 | 4.5K | 2 | 2 |
| 242 | Cerebellar ataxia | 77 | 4.5K | 2 | 2 |
| 244 | Marine Biology | 169 | 4.5K | 165 | 240 |
| 245 | Cognitive Science | 78 | 4.4K | 102 | 118 |
| 246 | Cognitive neuroscience | 78 | 4.4K | 96 | 134 |
| 246 | drugs | 166 | 4.4K | 64 | 96 |
| 248 | management | 128 | 4.4K | 335 | 491 |
| 249 | Genetic regulation | 39 | 4.3K | 141 | 103 |
| 250 | environmental protection | 125 | 4.3K | 220 | 288 |
| 251 | Microwaves | 179 | 4.3K | 57 | 65 |
| 252 | Wildlife conservation | 84 | 4.3K | 63 | 78 |
| 253 | Antioxidants | 69 | 4.3K | 9 | 27 |
| 253 | United Kingdom | 127 | 4.3K | 78 | 133 |
| 255 | Nanostructured Materials | 154 | 4.2K | 277 | 402 |
| 256 | rehabilitation | 109 | 4.2K | 156 | 159 |
| 257 | Molecules | 197 | 4.2K | 29 | 76 |
| 258 | Social Sciences | 229 | 4.2K | 133 | 197 |
| 259 | nuclear astrophysics | 82 | 4.1K | 3 | 7 |
| 260 | Planets | 109 | 4.1K | 202 | 245 |
| 261 | Dermatology | 179 | 4.1K | 94 | 129 |
| 261 | Mineralogy | 154 | 4.1K | 68 | 128 |
| 263 | Systems Engineering | 122 | 4.1K | 93 | 86 |
| 264 | Molecular structure | 143 | 4.1K | 78 | 168 |
| 265 | Technology | 128 | 4.1K | 363 | 328 |
| 266 | Emergency Medicine | 222 | 4.0K | 41 | 58 |
| 267 | arthritis | 78 | 4.0K | 129 | 143 |
| 268 | Perception | 208 | 4.0K | 92 | 169 |
| 269 | Sports | 124 | 4.0K | 154 | 148 |
| 270 | Hormones | 126 | 4.0K | 34 | 73 |
| 271 | Andrology | 108 | 4.0K | 3 | 4 |
| 272 | Food | 97 | 4.0K | 291 | 283 |
| 273 | Molecular Imaging | 78 | 4.0K | 39 | 44 |
| 274 | energy conservation | 71 | 3.9K | 207 | 240 |
| 275 | Combustion | 132 | 3.9K | 85 | 97 |
| 276 | Allergy | 64 | 3.9K | 133 | 194 |
| 277 | Archaeology | 196 | 3.9K | 35 | 68 |
| 278 | Long-Term Care | 37 | 3.9K | 56 | 37 |
| 278 | Long-term care facilities | 37 | 3.9K | 56 | 37 |
| 280 | Parasites | 106 | 3.9K | 59 | 55 |
| 281 | environmental auditing | 41 | 3.9K | 2 | 2 |
| 282 | Corporate Social Responsibility | 40 | 3.9K | 2 | 2 |
| 283 | Educational Psychology | 94 | 3.9K | 137 | 124 |
| 284 | Chromatographic analysis | 151 | 3.8K | 41 | 29 |
| 285 | Sarcopenia | 35 | 3.8K | 6 | 5 |
| 286 | Child | 134 | 3.8K | 165 | 174 |
| 287 | probabilities | 212 | 3.8K | 16 | 23 |
| 288 | Adolescent | 105 | 3.8K | 175 | 147 |
| 289 | enzymes | 93 | 3.8K | 69 | 67 |
| 290 | Emergency Medical Services | 198 | 3.8K | 3 | 4 |
| 291 | Clinical Psychology | 70 | 3.8K | 170 | 166 |
| 291 | Petrology | 118 | 3.8K | 66 | 128 |
| 293 | sanitation | 30 | 3.7K | 383 | 285 |
| 294 | Ocean Engineering | 119 | 3.7K | 130 | 140 |
| 295 | food technology | 79 | 3.7K | 297 | 220 |
| 296 | Membranes | 101 | 3.6K | 165 | 223 |
| 297 | Information Systems | 66 | 3.6K | 61 | 33 |
| 298 | nucleic acids | 95 | 3.6K | 179 | 326 |
| 299 | Geodynamics | 84 | 3.6K | 52 | 68 |
| 300 | Chromatography | 135 | 3.6K | 30 | 26 |
| 301 | amino acids | 101 | 3.6K | 2 | 3 |
| 302 | Economic History | 155 | 3.6K | 203 | 214 |
| 303 | economic policy | 189 | 3.5K | 42 | 90 |
| 304 | genome | 68 | 3.5K | 148 | 249 |
| 305 | Developmental Psychology | 70 | 3.5K | 106 | 115 |
| 306 | Biogeography | 53 | 3.5K | 96 | 100 |
| 307 | Solid State Chemistry | 136 | 3.4K | 184 | 158 |
| 308 | Attention | 190 | 3.4K | 79 | 160 |
| 309 | Environmental Psychology | 37 | 3.4K | 9 | 19 |
| 310 | Conservation Biology | 77 | 3.3K | 62 | 83 |
| 311 | Climate change | 27 | 3.3K | 246 | 300 |
| 311 | Eutrophication | 27 | 3.3K | 238 | 298 |
| 313 | Biomass Energy | 57 | 3.3K | 353 | 331 |
| 314 | Functional Analysis | 194 | 3.3K | 4 | 23 |
| 315 | Engineering Geology | 117 | 3.3K | 64 | 106 |
| 316 | Agricultural Chemistry | 79 | 3.3K | 246 | 220 |
| 317 | Quality of life | 120 | 3.3K | 31 | 94 |
| 318 | Green Chemistry | 73 | 3.3K | 173 | 225 |
| 319 | Physical organic chemistry | 97 | 3.3K | 36 | 32 |
| 320 | Water quality management | 100 | 3.3K | 80 | 64 |
| 321 | mathematical analysis | 302 | 3.2K | 22 | 95 |
| 322 | Molecular evolution | 78 | 3.2K | 103 | 175 |
| 323 | Mass Spectrometry | 105 | 3.2K | 36 | 57 |
| 324 | Gerontology | 58 | 3.2K | 300 | 145 |
| 325 | Medical innovations | 23 | 3.1K | 192 | 132 |
| 326 | Nuclear Engineering | 235 | 3.1K | 56 | 60 |
| 327 | Ophthalmology | 111 | 3.1K | 167 | 215 |
| 328 | actuators | 81 | 3.1K | 197 | 211 |
| 328 | transducers | 81 | 3.1K | 197 | 211 |
| 330 | Zoology | 149 | 3.1K | 166 | 220 |
| 331 | natural disasters | 67 | 3.1K | 40 | 32 |
| 332 | Medical Laboratory Science | 77 | 3.1K | 187 | 250 |
| 333 | Health | 100 | 3.1K | 170 | 179 |
| 334 | Visual Perception | 177 | 3.1K | 81 | 160 |
| 335 | rare diseases | 53 | 3.0K | 25 | 10 |
| 336 | Information Theory | 80 | 3.0K | 121 | 119 |
| 337 | Optical materials | 77 | 3.0K | 380 | 413 |
| 338 | Histology | 101 | 3.0K | 144 | 212 |
| 339 | Sustainable Development | 60 | 3.0K | 125 | 150 |
| 340 | Surface properties | 72 | 3.0K | 24 | 34 |
| 341 | Surface-Active Agents | 71 | 3.0K | 23 | 31 |
| 342 | drug development | 33 | 3.0K | 110 | 125 |
| 343 | Business | 35 | 2.9K | 528 | 377 |
| 344 | cloning | 19 | 2.9K | 132 | 49 |
| 345 | alcoholism | 84 | 2.9K | 167 | 163 |
| 346 | Orthopedics | 106 | 2.9K | 108 | 126 |
| 347 | epilepsy | 114 | 2.9K | 21 | 34 |
| 348 | Respiration | 82 | 2.9K | 143 | 175 |
| 349 | Nuclear Fusion | 148 | 2.9K | 47 | 52 |
| 349 | Chromosomes | 82 | 2.9K | 34 | 49 |
| 351 | Electrophoresis | 95 | 2.9K | 68 | 77 |
| 352 | Manufacturing Processes | 78 | 2.9K | 280 | 226 |
| 353 | Hydrology | 73 | 2.9K | 305 | 298 |
| 354 | Radiobiology | 74 | 2.9K | 148 | 150 |
| 355 | Social behavior | 74 | 2.8K | 96 | 138 |
| 356 | Neurotransmitters | 47 | 2.8K | 39 | 21 |
| 357 | Molecular Microbiology | 35 | 2.8K | 176 | 161 |
| 358 | Geomorphology | 75 | 2.8K | 113 | 146 |
| 359 | Regional Planning | 88 | 2.8K | 96 | 106 |
| 360 | Public Policy | 127 | 2.8K | 71 | 139 |
| 361 | brain mapping | 42 | 2.8K | 74 | 68 |
| 362 | Paleoclimatology | 71 | 2.8K | 97 | 107 |
| 363 | Bioinformatics | 87 | 2.8K | 183 | 293 |
| 364 | Diagnostic microbiology | 51 | 2.8K | 143 | 216 |
| 365 | Differential Equations | 100 | 2.8K | 23 | 28 |
| 366 | Data Mining | 66 | 2.7K | 82 | 152 |
| 367 | behavioral medicine | 41 | 2.7K | 210 | 181 |
| 368 | Nonlinear mechanics | 80 | 2.7K | 2 | 4 |
| 369 | drug evaluation | 127 | 2.7K | 8 | 29 |
| 370 | Quantum theory | 144 | 2.7K | 14 | 46 |
| 371 | Economic Development | 42 | 2.7K | 249 | 200 |
| 372 | Mechanical Engineering | 80 | 2.6K | 294 | 150 |
| 373 | city planning | 83 | 2.6K | 125 | 118 |
| 374 | Numerical Analysis | 121 | 2.6K | 113 | 129 |
| 375 | gene mapping | 46 | 2.6K | 307 | 277 |
| 376 | Dynamics | 149 | 2.6K | 17 | 51 |
| 377 | adolescence | 55 | 2.6K | 113 | 99 |
| 378 | Digestive system diseases | 121 | 2.6K | 17 | 40 |
| 379 | Geography | 58 | 2.6K | 337 | 269 |
| 380 | Computer Graphics | 94 | 2.6K | 154 | 192 |
| 381 | Inflammation | 59 | 2.6K | 45 | 65 |
| 382 | Anthropology | 90 | 2.5K | 163 | 117 |
| 383 | risk factors | 104 | 2.5K | 8 | 40 |
| 384 | viruses | 52 | 2.5K | 254 | 275 |
| 385 | Transportation | 59 | 2.5K | 266 | 209 |
| 386 | analysis | 62 | 2.5K | 21 | 33 |
| 387 | Information Technology | 42 | 2.5K | 358 | 241 |
| 388 | Communication | 44 | 2.5K | 411 | 263 |
| 389 | calcification | 61 | 2.5K | 14 | 24 |
| 390 | energy development | 20 | 2.5K | 142 | 113 |
| 391 | eugenics | 59 | 2.5K | 23 | 10 |
| 392 | Fluid Mechanics | 82 | 2.5K | 130 | 155 |
| 393 | Population Genetics | 44 | 2.4K | 206 | 209 |
| 394 | Climatology | 53 | 2.4K | 302 | 289 |
| 395 | Clinical Biochemistry | 82 | 2.4K | 48 | 74 |
| 396 | Chemotherapy | 89 | 2.4K | 88 | 112 |
| 397 | Microbial Ecology | 53 | 2.4K | 402 | 489 |
| 397 | cytokines | 67 | 2.4K | 68 | 79 |
| 399 | Waste management | 94 | 2.4K | 31 | 41 |
| 400 | Tropical Medicine | 102 | 2.4K | 72 | 83 |
| 401 | Paleoecology | 73 | 2.4K | 69 | 106 |
| 402 | Radiation | 110 | 2.4K | 96 | 138 |
| 402 | Autoimmune diseases | 65 | 2.4K | 17 | 32 |
| 404 | Cybernetics | 37 | 2.3K | 327 | 238 |
| 405 | Proteome | 52 | 2.3K | 117 | 147 |
| 406 | Biomechanics | 58 | 2.3K | 164 | 176 |
| 407 | Econometrics | 134 | 2.3K | 56 | 172 |
| 408 | Quality Control | 42 | 2.3K | 189 | 87 |
| 409 | Calculus of Variations | 123 | 2.3K | 1 | 2 |
| 410 | Industrial Microbiology | 35 | 2.3K | 358 | 240 |
| 411 | gene therapy | 64 | 2.3K | 87 | 129 |
| 411 | Social policy | 80 | 2.3K | 35 | 29 |
| 413 | Information Science | 78 | 2.3K | 227 | 320 |
| 414 | Vaccines | 75 | 2.3K | 173 | 198 |
| 415 | Substance Abuse | 68 | 2.3K | 180 | 148 |
| 416 | Alzheimer's disease | 110 | 2.3K | 125 | 144 |
| 417 | Developmental Disabilities | 63 | 2.2K | 109 | 148 |
| 418 | psychotherapy | 77 | 2.2K | 142 | 227 |
| 419 | pain management | 74 | 2.2K | 21 | 29 |
| 420 | fuel cells | 22 | 2.2K | 380 | 236 |
| 421 | Building Materials | 50 | 2.2K | 299 | 324 |
| 422 | Neural circuitry | 70 | 2.2K | 153 | 218 |
| 423 | ecosystem | 45 | 2.2K | 183 | 212 |
| 424 | Political Psychology | 10 | 2.2K | 148 | 27 |
| 425 | Thermodynamics | 71 | 2.2K | 56 | 24 |
| 426 | emergency management | 36 | 2.2K | 33 | 17 |
| 427 | Solar System | 65 | 2.2K | 109 | 116 |
| 428 | Molecular ecology | 32 | 2.2K | 232 | 237 |
| 429 | Sustainable Engineering | 58 | 2.2K | 166 | 223 |
| 430 | Neuroimmunology | 35 | 2.1K | 83 | 86 |
| 431 | Environmental Geology | 75 | 2.1K | 76 | 119 |
| 432 | Environmental Toxicology | 58 | 2.1K | 279 | 356 |
| 433 | Systems Biology | 56 | 2.1K | 150 | 119 |
| 434 | Histocompatibility Testing | 58 | 2.1K | 13 | 8 |
| 435 | Bioinorganic chemistry | 102 | 2.1K | 65 | 124 |
| 436 | Natural Sciences | 245 | 2.1K | 1 | 1 |
| 437 | Bioenergetics | 49 | 2.1K | 84 | 91 |
| 438 | Nanostructures | 40 | 2.1K | 309 | 304 |
| 438 | mass transfer | 54 | 2.1K | 259 | 248 |
| 440 | Psychoneuroimmunology | 29 | 2.1K | 90 | 80 |
| 441 | Bones | 58 | 2.0K | 54 | 115 |
| 442 | Thrombosis | 79 | 2.0K | 91 | 164 |
| 443 | Carbon | 32 | 2.0K | 237 | 241 |
| 444 | Drug design | 68 | 2.0K | 65 | 123 |
| 445 | Pharmacognosy | 47 | 2.0K | 278 | 257 |
| 446 | mammals | 51 | 2.0K | 75 | 49 |
| 447 | Autoantibodies | 53 | 2.0K | 21 | 36 |
| 448 | Paleontology | 120 | 2.0K | 75 | 127 |
| 449 | Learning | 49 | 2.0K | 205 | 238 |
| 450 | peptides | 79 | 2.0K | 9 | 8 |
| 451 | Developmental Genetics | 15 | 1.9K | 165 | 134 |
| 452 | food handling | 26 | 1.9K | 130 | 44 |
| 453 | Biopharmaceutics | 55 | 1.9K | 68 | 101 |
| 454 | Solar Energy | 51 | 1.9K | 165 | 198 |
| 455 | Dementia | 97 | 1.9K | 133 | 138 |
| 456 | Reproductive health | 51 | 1.9K | 43 | 37 |
| 457 | Developing countries | 46 | 1.9K | 347 | 288 |
| 458 | disease vectors | 58 | 1.9K | 52 | 74 |
| 459 | fusion reactors | 121 | 1.9K | 27 | 22 |
| 460 | lasers | 91 | 1.9K | 215 | 239 |
| 461 | Water Purification | 72 | 1.9K | 46 | 49 |
| 462 | Algebra | 120 | 1.9K | 72 | 42 |
| 463 | Biosensors | 27 | 1.9K | 277 | 235 |
| 464 | Radiology | 127 | 1.9K | 55 | 85 |
| 465 | Agriculture | 41 | 1.9K | 373 | 297 |
| 466 | Neurotoxicology | 31 | 1.9K | 31 | 20 |
| 467 | Bioelectronics | 26 | 1.8K | 225 | 207 |
| 467 | violence | 33 | 1.8K | 196 | 120 |
| 469 | Cell metabolism | 19 | 1.8K | 135 | 211 |
| 470 | Geomagnetism | 63 | 1.8K | 62 | 67 |
| 471 | Hemodynamics | 29 | 1.8K | 125 | 120 |
| 472 | Steroids | 78 | 1.8K | 44 | 76 |
| 473 | Clinical Pharmacology | 53 | 1.8K | 141 | 129 |
| 474 | Telecommunication Systems | 77 | 1.8K | 76 | 73 |
| 475 | Entomology | 60 | 1.8K | 356 | 262 |
| 476 | Fisheries | 37 | 1.8K | 318 | 214 |
| 477 | Sites | 45 | 1.8K | 53 | 72 |
| 478 | Genetic therapy | 46 | 1.8K | 135 | 156 |
| 479 | Continuum Mechanics | 40 | 1.8K | 4 | 3 |
| 480 | Personality Assessment | 35 | 1.8K | 79 | 77 |
| 481 | Schizophrenia | 40 | 1.8K | 184 | 189 |
| 482 | Adolescent Psychology | 45 | 1.8K | 101 | 103 |
| 483 | Homeostasis | 7 | 1.8K | 205 | 215 |
| 484 | cell interaction | 56 | 1.8K | 45 | 93 |
| 485 | Radiation Oncology | 24 | 1.8K | 36 | 8 |
| 486 | Database Management | 66 | 1.8K | 77 | 110 |
| 487 | Remote Sensing | 158 | 1.8K | 30 | 80 |
| 488 | Population | 53 | 1.7K | 66 | 85 |
| 489 | Paleogeography | 50 | 1.7K | 110 | 144 |
| 490 | Neuropsychiatry | 61 | 1.7K | 55 | 84 |
| 491 | Physical fitness | 65 | 1.7K | 49 | 124 |
| 492 | Psycholinguistics | 39 | 1.7K | 169 | 180 |
| 493 | Electrochemical Analysis | 107 | 1.7K | 68 | 177 |
| 494 | Fracture mechanics | 76 | 1.7K | 138 | 180 |
| 495 | Health Policy | 81 | 1.7K | 260 | 330 |
| 496 | Proteomics | 33 | 1.7K | 139 | 136 |
| 497 | data collection | 34 | 1.7K | 92 | 164 |
| 498 | Rheumatology | 38 | 1.7K | 193 | 229 |
| 499 | Industrial Engineering | 47 | 1.7K | 288 | 270 |
| 500 | Human evolution | 46 | 1.7K | 50 | 67 |
| 501 | Decision making | 53 | 1.7K | 146 | 197 |
| 502 | Electrical Engineering | 181 | 1.7K | 216 | 368 |
| 502 | Computer Science | 86 | 1.7K | 84 | 112 |
| 504 | Atomic spectroscopy | 75 | 1.7K | 54 | 82 |
| 505 | Quantum electronics | 68 | 1.7K | 193 | 173 |
| 506 | Electrophysiology | 86 | 1.7K | 50 | 71 |
| 507 | Detectors | 41 | 1.7K | 214 | 122 |
| 508 | Analytical Biochemistry | 58 | 1.6K | 138 | 200 |
| 509 | Meteorites | 27 | 1.6K | 284 | 296 |
| 510 | Insects | 44 | 1.6K | 189 | 155 |
| 511 | Neuropharmacology | 48 | 1.6K | 18 | 31 |
| 512 | Fiber Optics | 53 | 1.6K | 126 | 121 |
| 513 | Immunogenetics | 46 | 1.6K | 46 | 50 |
| 514 | Quantum Optics | 67 | 1.6K | 36 | 59 |
| 515 | finance | 72 | 1.6K | 309 | 390 |
| 516 | Production Engineering | 54 | 1.6K | 301 | 223 |
| 517 | Oceanography | 61 | 1.5K | 305 | 409 |
| 518 | world | 8 | 1.5K | 378 | 134 |
| 519 | Education | 73 | 1.5K | 592 | 589 |
| 519 | Gene expression regulation | 23 | 1.5K | 193 | 167 |
| 521 | Hydraulic Engineering | 37 | 1.5K | 168 | 126 |
| 522 | Consciousness | 25 | 1.5K | 57 | 24 |
| 523 | Developmental Immunology | 26 | 1.5K | 72 | 45 |
| 524 | Laser Spectroscopy | 61 | 1.5K | 36 | 47 |
| 525 | Evolutionary economics | 20 | 1.5K | 9 | 4 |
| 525 | Population Dynamics | 20 | 1.5K | 8 | 5 |
| 527 | Physical Therapy | 36 | 1.5K | 231 | 208 |
| 528 | Mobile Computing | 49 | 1.5K | 119 | 137 |
| 528 | Plant diseases | 34 | 1.5K | 470 | 333 |
| 530 | Pharmaceutical Technology | 52 | 1.5K | 168 | 220 |
| 531 | Bipolar Disorder | 21 | 1.5K | 74 | 59 |
| 532 | Computer Vision | 37 | 1.5K | 179 | 252 |
| 533 | Raman spectroscopy | 41 | 1.5K | 50 | 39 |
| 534 | International Finance | 60 | 1.5K | 167 | 226 |
| 534 | sexual behavior | 44 | 1.5K | 64 | 80 |
| 536 | Exercise | 59 | 1.5K | 137 | 172 |
| 537 | Medicinal plants | 27 | 1.5K | 263 | 237 |
| 538 | Antibacterial agents | 48 | 1.5K | 18 | 44 |
| 539 | Nanoparticles | 39 | 1.5K | 323 | 339 |
| 540 | Erectile dysfunction | 44 | 1.5K | 6 | 8 |
| 541 | Environmental pollutants | 46 | 1.4K | 327 | 400 |
| 542 | Volcanoes | 38 | 1.4K | 27 | 28 |
| 543 | Community Psychology | 40 | 1.4K | 57 | 98 |
| 544 | Malaria | 25 | 1.4K | 125 | 73 |
| 545 | human development | 27 | 1.4K | 166 | 140 |
| 546 | Enzyme inhibitors | 53 | 1.4K | 8 | 15 |
| 547 | Aggression | 20 | 1.4K | 100 | 56 |
| 548 | Lung Transplantation | 28 | 1.4K | 86 | 67 |
| 548 | Heart transplantation | 28 | 1.4K | 86 | 67 |
| 550 | Soil Mechanics | 45 | 1.4K | 204 | 231 |
| 551 | Astrocytes | 16 | 1.4K | 113 | 87 |
| 552 | Antigens | 45 | 1.4K | 75 | 86 |
| 553 | Medical Anthropology | 20 | 1.4K | 367 | 297 |
| 554 | Cell communication | 39 | 1.4K | 20 | 43 |
| 555 | Mycology | 46 | 1.4K | 260 | 309 |
| 556 | Natural resources | 23 | 1.4K | 158 | 123 |
| 557 | ethanol | 30 | 1.3K | 57 | 36 |
| 558 | School Psychology | 8 | 1.3K | 244 | 75 |
| 559 | drug resistance | 32 | 1.3K | 47 | 43 |
| 560 | Psychosomatic Medicine | 31 | 1.3K | 132 | 144 |
| 561 | Drug delivery systems | 36 | 1.3K | 236 | 318 |
| 562 | Computer-Aided Design | 50 | 1.3K | 129 | 161 |
| 562 | Animal ecology | 42 | 1.3K | 226 | 247 |
| 564 | Therapeutics | 41 | 1.3K | 325 | 362 |
| 565 | Synaptic Transmission | 55 | 1.3K | 19 | 40 |
| 566 | Measurement | 53 | 1.3K | 111 | 116 |
| 567 | Superconductors | 90 | 1.3K | 80 | 94 |
| 567 | Transplantation | 45 | 1.3K | 175 | 271 |
| 569 | Cytokine | 40 | 1.3K | 6 | 46 |
| 570 | Engineering Mathematics | 75 | 1.3K | 157 | 217 |
| 571 | scientific societies | 53 | 1.3K | 48 | 78 |
| 572 | drug addiction | 37 | 1.3K | 228 | 244 |
| 573 | animals | 79 | 1.3K | 64 | 101 |
| 574 | Energy metabolism | 30 | 1.3K | 124 | 145 |
| 575 | Magnetic Resonance Spectroscopy | 66 | 1.3K | 130 | 182 |
| 576 | Fuzzy systems | 75 | 1.3K | 72 | 92 |
| 577 | Pancreatic diseases | 28 | 1.3K | 35 | 25 |
| 578 | Host-parasite interactions | 21 | 1.3K | 337 | 400 |
| 579 | Marine Pollution | 39 | 1.2K | 160 | 247 |
| 580 | Peptide | 42 | 1.2K | 9 | 9 |
| 581 | solar cells | 25 | 1.2K | 144 | 149 |
| 582 | Thin Films | 54 | 1.2K | 14 | 19 |
| 583 | Family Therapy | 44 | 1.2K | 98 | 78 |
| 584 | Heat Exchangers | 35 | 1.2K | 207 | 240 |
| 585 | Urban Policy | 32 | 1.2K | 93 | 93 |
| 586 | vascular diseases | 42 | 1.2K | 95 | 177 |
| 587 | mutagens | 31 | 1.2K | 115 | 171 |
| 588 | Combinatorial chemistry | 17 | 1.2K | 194 | 161 |
| 589 | Geometry | 114 | 1.2K | 34 | 67 |
| 590 | Mental Health | 54 | 1.2K | 206 | 233 |
| 591 | movement | 27 | 1.2K | 19 | 17 |
| 592 | Electromagnetism | 56 | 1.2K | 98 | 148 |
| 592 | Imaging systems | 13 | 1.2K | 207 | 15 |
| 594 | environmental exposure | 37 | 1.2K | 306 | 341 |
| 595 | machinery | 16 | 1.2K | 229 | 49 |
| 595 | heredity | 48 | 1.2K | 42 | 52 |
| 597 | Entropy | 82 | 1.2K | 13 | 23 |
| 598 | Sexuality | 36 | 1.2K | 16 | 15 |
| 599 | civil rights | 36 | 1.2K | 13 | 5 |
| 599 | sustainability | 22 | 1.2K | 159 | 191 |
| 601 | water supply | 14 | 1.2K | 336 | 244 |
| 602 | school psychologists | 2 | 1.2K | 245 | 39 |
| 603 | cell membrane | 27 | 1.2K | 130 | 136 |
| 604 | Magnetic Resonance Imaging | 25 | 1.2K | 73 | 46 |
| 605 | Jurisprudence | 54 | 1.2K | 94 | 99 |
| 606 | Phylogeny | 37 | 1.2K | 106 | 170 |
| 607 | Petroleum Geology | 49 | 1.1K | 35 | 72 |
| 608 | Algorithms | 57 | 1.1K | 10 | 29 |
| 609 | Power Electronics | 23 | 1.1K | 317 | 298 |
| 610 | locomotion | 60 | 1.1K | 18 | 86 |
| 610 | posture | 60 | 1.1K | 18 | 86 |
| 610 | Calorimetry | 77 | 1.1K | 46 | 76 |
| 610 | gait | 60 | 1.1K | 18 | 86 |
| 610 | Thermal analysis | 77 | 1.1K | 46 | 76 |
| 610 | walking | 60 | 1.1K | 18 | 86 |
| 616 | Hydrodynamics | 20 | 1.1K | 155 | 103 |
| 617 | Orthopedic Surgery | 53 | 1.1K | 59 | 89 |
| 618 | Smoking | 21 | 1.1K | 215 | 155 |
| 619 | coal | 29 | 1.1K | 387 | 424 |
| 620 | Photochemistry | 42 | 1.1K | 241 | 294 |
| 621 | Aquatic ecology | 35 | 1.1K | 101 | 94 |
| 622 | Contraception | 27 | 1.1K | 113 | 76 |
| 622 | Neuromuscular diseases | 52 | 1.1K | 48 | 105 |
| 624 | Intelligent Transportation Systems | 19 | 1.1K | 315 | 244 |
| 624 | Bacterial infections | 32 | 1.1K | 95 | 248 |
| 624 | disease outbreaks | 52 | 1.1K | 24 | 82 |
| 624 | Epidemics | 52 | 1.1K | 24 | 81 |
| 628 | Youth | 21 | 1.1K | 173 | 142 |
| 629 | Traffic Engineering | 10 | 1.1K | 157 | 60 |
| 630 | DNA polymerases | 9 | 1.1K | 173 | 176 |
| 631 | Radiation effects | 19 | 1.1K | 93 | 65 |
| 632 | Ethnology | 33 | 1.1K | 266 | 124 |
| 633 | Development | 12 | 1.1K | 291 | 171 |
| 634 | Marine Geology | 47 | 1.1K | 43 | 71 |
| 635 | Smart Materials | 32 | 1.1K | 131 | 133 |
| 636 | Organizational change | 23 | 1.1K | 84 | 76 |
| 636 | Sedimentary rocks | 27 | 1.1K | 67 | 74 |
| 638 | Biometrics | 79 | 1.1K | 93 | 205 |
| 639 | histological techniques | 26 | 1.1K | 109 | 147 |
| 639 | Growth factors | 28 | 1.1K | 7 | 49 |
| 641 | Nutrition physiology | 28 | 1.1K | 93 | 121 |
| 642 | Lipids | 40 | 1.1K | 189 | 331 |
| 643 | Nonlinear functional analysis | 109 | 1.1K | 11 | 90 |
| 644 | child mental health | 37 | 1.1K | 40 | 35 |
| 645 | Recombinant DNA | 54 | 1.1K | 136 | 260 |
| 646 | Demography | 41 | 1.1K | 78 | 109 |
| 646 | Tourism | 23 | 1.1K | 442 | 462 |
| 648 | Combinatorial analysis | 106 | 1.1K | 48 | 78 |
| 648 | synthesis | 72 | 1.1K | 28 | 31 |
| 650 | cardiac catheterization | 62 | 1.1K | 60 | 79 |
| 651 | Computational Fluid Dynamics | 35 | 1.1K | 57 | 56 |
| 652 | Virulence | 13 | 1.1K | 443 | 424 |
| 653 | Cognitive Therapy | 36 | 1.1K | 66 | 82 |
| 653 | isomerism | 63 | 1.1K | 2 | 12 |
| 653 | Chirality | 63 | 1.1K | 2 | 12 |
| 656 | Crystallography | 96 | 1.0K | 111 | 180 |
| 657 | Medical Technology | 34 | 1.0K | 232 | 258 |
| 657 | Chromosome mapping | 28 | 1.0K | 421 | 458 |
| 659 | Landscape Ecology | 9 | 1.0K | 186 | 87 |
| 659 | Total Quality Management | 27 | 1.0K | 20 | 13 |
| 661 | Molecular Spectroscopy | 53 | 1.0K | 206 | 269 |
| 662 | marketing | 25 | 1.0K | 608 | 596 |
| 663 | Speech Disorders | 20 | 1.0K | 337 | 229 |
| 663 | Minerals | 42 | 1.0K | 37 | 70 |
| 665 | Soil dynamics | 37 | 1.0K | 57 | 71 |
| 665 | Nonlinear systems | 32 | 1.0K | 70 | 69 |
| 667 | Stochastic Processes | 74 | 1.0K | 11 | 54 |
| 668 | Molecular cloning | 51 | 1.0K | 121 | 248 |
| 668 | Genetic recombination | 51 | 1.0K | 115 | 243 |
| 670 | Chemical analysis | 21 | 1.0K | 257 | 155 |
| 671 | Economic Assistance | 7 | 1.0K | 384 | 172 |
| 672 | nuclear magnetic resonance | 59 | 1.0K | 143 | 200 |
| 673 | organizational effectiveness | 25 | 1.0K | 30 | 31 |
| 674 | Political Science | 90 | 1.0K | 216 | 347 |
| 674 | Spine | 21 | 1.0K | 180 | 166 |
| 676 | Human Geography | 25 | 1.0K | 299 | 214 |
| 677 | Logic Programming | 14 | 1.0K | 80 | 6 |
| 678 | Environmental Law | 18 | 998 | 319 | 393 |
| 679 | Microscopy | 40 | 994 | 187 | 185 |
| 680 | Industrial Safety | 40 | 991 | 135 | 160 |
| 681 | viral genetics | 7 | 985 | 149 | 158 |
| 682 | Organizational Behavior | 14 | 982 | 212 | 191 |
| 683 | Pharmacy | 61 | 977 | 295 | 499 |
| 684 | Multivariate Analysis | 38 | 973 | 36 | 73 |
| 685 | older people | 55 | 971 | 254 | 235 |
| 686 | Experimental Psychology | 15 | 970 | 233 | 162 |
| 687 | Carcinogenesis | 21 | 963 | 222 | 221 |
| 688 | Molecular Pharmacology | 23 | 958 | 163 | 181 |
| 689 | cell adhesion molecules | 19 | 954 | 4 | 17 |
| 690 | Agricultural Ecology | 16 | 945 | 317 | 306 |
| 691 | Hemophilia | 33 | 942 | 61 | 58 |
| 692 | pollutants | 25 | 941 | 456 | 487 |
| 693 | Land use | 35 | 940 | 125 | 197 |
| 694 | Multimedia Systems | 47 | 936 | 211 | 261 |
| 695 | Philosophy | 104 | 929 | 197 | 203 |
| 695 | Heart Failure | 15 | 929 | 120 | 109 |
| 697 | Greenhouse gases | 14 | 928 | 83 | 62 |
| 698 | reasoning | 50 | 922 | 6 | 24 |
| 698 | radar | 27 | 922 | 21 | 6 |
| 698 | Chemical industry | 22 | 922 | 342 | 153 |
| 701 | Yeast | 45 | 920 | 14 | 66 |
| 702 | Systems Analysis | 43 | 917 | 94 | 115 |
| 702 | Primates | 36 | 917 | 100 | 121 |
| 704 | Vision | 17 | 915 | 236 | 194 |
| 705 | Androgens | 22 | 910 | 26 | 32 |
| 706 | Structural design | 24 | 909 | 151 | 138 |
| 707 | Histochemistry | 35 | 905 | 140 | 182 |
| 708 | Hemostasis | 50 | 898 | 54 | 98 |
| 709 | Semiconductors | 60 | 894 | 278 | 342 |
| 710 | solar power | 20 | 882 | 153 | 187 |
| 710 | global environmental change | 19 | 882 | 193 | 245 |
| 712 | Food Microbiology | 24 | 881 | 285 | 372 |
| 713 | Hydrogeology | 30 | 877 | 67 | 78 |
| 714 | Laser therapy | 56 | 875 | 14 | 18 |
| 715 | Genetic disorders | 38 | 870 | 52 | 88 |
| 716 | Plant Genetics | 12 | 864 | 265 | 250 |
| 717 | commerce | 30 | 858 | 266 | 403 |
| 717 | Informatics | 49 | 858 | 37 | 141 |
| 719 | Bibliometrics | 18 | 857 | 19 | 23 |
| 720 | Endocrine glands | 12 | 847 | 58 | 83 |
| 721 | Tissue Engineering | 9 | 841 | 116 | 55 |
| 722 | Boundary Value Problems | 32 | 839 | 119 | 125 |
| 722 | Biogeochemistry | 18 | 839 | 382 | 423 |
| 724 | Antenna Arrays | 31 | 836 | 101 | 118 |
| 725 | Forest Ecology | 18 | 832 | 335 | 290 |
| 725 | Superconductivity | 33 | 832 | 60 | 58 |
| 727 | Environmental Microbiology | 19 | 831 | 403 | 484 |
| 728 | Wildlife management | 19 | 830 | 155 | 77 |
| 729 | Radioisotopes | 44 | 829 | 121 | 101 |
| 730 | Quantum Mechanics | 21 | 828 | 14 | 4 |
| 731 | Photography | 237 | 815 | 107 | 103 |
| 732 | soil microbiology | 13 | 810 | 636 | 608 |
| 732 | elasticity | 23 | 810 | 28 | 21 |
| 734 | Microbial Genetics | 11 | 803 | 105 | 77 |
| 735 | child abuse | 12 | 800 | 346 | 246 |
| 736 | Audiology | 41 | 797 | 129 | 172 |
| 736 | Nutritional support | 22 | 797 | 6 | 18 |
| 738 | General Surgery | 33 | 794 | 141 | 102 |
| 739 | Africa | 42 | 792 | 190 | 158 |
| 739 | Post-traumatic stress disorder | 26 | 792 | 162 | 214 |
| 741 | carcinogens | 18 | 786 | 243 | 255 |
| 742 | Metallurgy | 40 | 785 | 520 | 632 |
| 743 | Geotechnical Engineering | 26 | 784 | 114 | 117 |
| 744 | phytopathogenic bacteria | 10 | 783 | 91 | 76 |
| 745 | Turbulence | 47 | 782 | 6 | 16 |
| 746 | Small Business | 11 | 780 | 309 | 350 |
| 746 | Bacteria | 20 | 780 | 53 | 94 |
| 748 | embryo transfer | 26 | 778 | 50 | 38 |
| 749 | Sedimentology | 18 | 777 | 137 | 132 |
| 750 | energy resources | 29 | 776 | 282 | 621 |
| 751 | Radio wave propagation | 34 | 772 | 104 | 71 |
| 752 | Software Engineering | 24 | 768 | 252 | 260 |
| 753 | Geriatric Psychiatry | 21 | 763 | 234 | 203 |
| 754 | Tunneling | 24 | 762 | 68 | 105 |
| 754 | underground construction | 24 | 762 | 68 | 105 |
| 756 | Tribology | 29 | 761 | 239 | 258 |
| 756 | Parallel Processing | 29 | 761 | 75 | 140 |
| 758 | Family | 24 | 760 | 260 | 226 |
| 759 | technology transfer | 5 | 758 | 141 | 35 |
| 759 | health planning | 51 | 758 | 286 | 439 |
| 761 | Fractals | 45 | 753 | 74 | 197 |
| 762 | Rock Mechanics | 30 | 749 | 212 | 286 |
| 762 | blood transfusion | 28 | 749 | 124 | 117 |
| 764 | Solitons | 44 | 744 | 79 | 198 |
| 764 | Chaos | 44 | 744 | 79 | 198 |
| 764 | biological invasions | 17 | 744 | 132 | 103 |
| 767 | Industrial Policy | 33 | 742 | 30 | 101 |
| 768 | Europa | 20 | 738 | 102 | 93 |
| 769 | Developmental Neurobiology | 35 | 735 | 24 | 64 |
| 770 | embryonic development | 16 | 734 | 84 | 64 |
| 771 | Organometallic chemistry | 47 | 730 | 297 | 410 |
| 772 | Language Disorders | 19 | 728 | 268 | 201 |
| 772 | Methodology | 61 | 728 | 3 | 26 |
| 774 | Multiple sclerosis | 57 | 727 | 16 | 34 |
| 775 | econometric models | 42 | 726 | 15 | 74 |
| 776 | mycoses | 13 | 724 | 253 | 325 |
| 776 | biochemical markers | 24 | 724 | 48 | 41 |
| 778 | mutation | 28 | 721 | 70 | 146 |
| 779 | Occupational Health | 36 | 718 | 143 | 196 |
| 780 | preimplantation genetic diagnosis | 25 | 715 | 49 | 41 |
| 781 | individual differences | 13 | 714 | 71 | 61 |
| 782 | bioclimatology | 20 | 713 | 167 | 151 |
| 783 | Neonatology | 30 | 711 | 55 | 90 |
| 784 | Landslides | 23 | 705 | 23 | 55 |
| 785 | Human-Computer Interaction | 32 | 704 | 229 | 374 |
| 786 | Atherosclerosis | 23 | 700 | 8 | 16 |
| 787 | Human biology | 42 | 698 | 52 | 95 |
| 788 | Geodesy | 19 | 691 | 141 | 98 |
| 789 | structural stability | 15 | 686 | 78 | 85 |
| 789 | Interfaces | 40 | 686 | 5 | 14 |
| 791 | software | 30 | 683 | 125 | 272 |
| 792 | Product life cycle | 9 | 682 | 101 | 65 |
| 792 | green products | 9 | 682 | 95 | 65 |
| 794 | Thorax | 5 | 680 | 257 | 127 |
| 795 | Cosmochemistry | 27 | 677 | 176 | 281 |
| 795 | catalytic activity | 23 | 677 | 122 | 181 |
| 795 | Heterocyclic compounds | 48 | 677 | 73 | 63 |
| 798 | Immunopharmacology | 33 | 671 | 148 | 225 |
| 799 | Cardiovascular Pharmacology | 33 | 668 | 8 | 16 |
| 799 | concrete | 28 | 668 | 204 | 417 |
| 801 | biomedicine | 15 | 663 | 94 | 78 |
| 802 | Business Ethics | 6 | 662 | 688 | 529 |
| 803 | Economic planning | 38 | 657 | 14 | 67 |
| 804 | X-rays | 24 | 654 | 68 | 37 |
| 805 | organization | 13 | 653 | 322 | 380 |
| 806 | Autism | 20 | 650 | 173 | 226 |
| 807 | Chronobiology | 31 | 648 | 38 | 67 |
| 807 | biological clocks | 31 | 648 | 38 | 67 |
| 807 | Mutagenesis | 20 | 648 | 40 | 32 |
| 807 | circadian rhythm | 31 | 648 | 38 | 67 |
| 811 | Chronic diseases | 13 | 647 | 258 | 289 |
| 812 | Simulation Methods | 60 | 643 | 16 | 94 |
| 812 | Ultrasonics | 17 | 643 | 383 | 388 |
| 812 | Gastrointestinal diseases | 26 | 643 | 61 | 73 |
| 815 | industrial hygiene | 32 | 640 | 130 | 91 |
| 815 | biological rhythms | 29 | 640 | 40 | 67 |
| 817 | Atmospheric Physics | 27 | 639 | 451 | 588 |
| 818 | Financial Institutions | 13 | 638 | 57 | 51 |
| 819 | Photogrammetry | 109 | 637 | 34 | 39 |
| 819 | Emotions | 20 | 637 | 165 | 249 |
| 821 | Asia | 28 | 636 | 666 | 522 |
| 822 | freshwater biology | 21 | 635 | 201 | 229 |
| 823 | Psychometrics | 25 | 633 | 94 | 151 |
| 824 | Computational Intelligence | 21 | 626 | 92 | 82 |
| 825 | feeding behavior | 22 | 621 | 178 | 240 |
| 825 | Fungi | 20 | 621 | 295 | 414 |
| 825 | World Wide Web | 12 | 621 | 83 | 22 |
| 828 | Medical Imaging | 21 | 620 | 64 | 60 |
| 829 | Mental Health Services | 23 | 619 | 314 | 297 |
| 830 | Asthma | 25 | 618 | 86 | 98 |
| 831 | language | 7 | 617 | 497 | 260 |
| 832 | occupational diseases | 25 | 616 | 151 | 218 |
| 833 | Global Health | 17 | 615 | 284 | 171 |
| 834 | atmospheric models | 24 | 611 | 179 | 281 |
| 835 | Maps | 31 | 610 | 11 | 11 |
| 836 | Apoptosis | 12 | 607 | 41 | 26 |
| 836 | neurotoxins | 12 | 607 | 41 | 26 |
| 836 | Neurotoxic agents | 12 | 607 | 41 | 26 |
| 836 | Nerve regeneration | 12 | 607 | 41 | 26 |
| 840 | Seismology | 14 | 606 | 178 | 126 |
| 840 | Classification | 45 | 606 | 3 | 71 |
| 842 | Land Use Planning | 22 | 603 | 50 | 108 |
| 843 | Cell division | 20 | 601 | 38 | 69 |
| 844 | Scandinavia | 20 | 594 | 121 | 114 |
| 845 | Mechatronics | 9 | 590 | 431 | 235 |
| 846 | Plant Morphology | 20 | 589 | 101 | 89 |
| 847 | Circadian rhythms | 21 | 588 | 41 | 66 |
| 847 | Antiviral agents | 26 | 588 | 28 | 56 |
| 849 | Neurogenetics | 17 | 582 | 36 | 33 |
| 850 | Ultrasound | 16 | 581 | 243 | 194 |
| 851 | Speech | 14 | 580 | 369 | 325 |
| 852 | Genetic Toxicology | 15 | 578 | 66 | 109 |
| 852 | Synchrotron Radiation | 27 | 578 | 41 | 49 |
| 852 | China | 57 | 578 | 441 | 782 |
| 855 | Linguistics | 46 | 577 | 249 | 358 |
| 855 | Reproductive toxicology | 9 | 577 | 145 | 97 |
| 857 | Pathogens | 14 | 575 | 3 | 2 |
| 858 | families | 22 | 574 | 227 | 198 |
| 859 | visualization | 46 | 572 | 247 | 267 |
| 859 | Sonar | 23 | 572 | 22 | 15 |
| 859 | Navigation | 24 | 572 | 36 | 27 |
| 862 | Chemical structure | 31 | 569 | 19 | 37 |
| 863 | Nursing | 16 | 567 | 750 | 412 |
| 864 | Soil Science | 22 | 564 | 577 | 741 |
| 865 | Occupational Therapy | 27 | 563 | 203 | 125 |
| 866 | Insect biochemistry | 8 | 558 | 209 | 146 |
| 867 | Women's health | 22 | 556 | 281 | 274 |
| 868 | Nuclear Energy | 34 | 554 | 191 | 214 |
| 868 | medical education | 33 | 554 | 377 | 488 |
| 868 | Information society | 9 | 554 | 22 | 6 |
| 871 | Regional Economics | 15 | 553 | 98 | 81 |
| 872 | particle accelerators | 23 | 551 | 15 | 17 |
| 873 | Ceramic materials | 22 | 549 | 365 | 391 |
| 873 | children | 12 | 549 | 160 | 156 |
| 875 | Elderly | 38 | 548 | 253 | 182 |
| 876 | Macroeconomics | 35 | 546 | 6 | 51 |
| 876 | hazard mitigation | 21 | 546 | 139 | 220 |
| 878 | Economic Geography | 12 | 545 | 105 | 75 |
| 879 | particle beams | 22 | 542 | 15 | 17 |
| 880 | Paleobotany | 14 | 538 | 28 | 33 |
| 880 | Vegetation dynamics | 14 | 538 | 26 | 32 |
| 880 | RNA | 16 | 538 | 135 | 192 |
| 883 | Optical Communications | 28 | 537 | 122 | 138 |
| 884 | Marine Ecology | 25 | 536 | 152 | 178 |
| 885 | Food Policy | 2 | 535 | 371 | 101 |
| 885 | agricultural policy | 2 | 535 | 284 | 85 |
| 887 | planning | 39 | 534 | 44 | 108 |
| 888 | Psychoanalysis | 46 | 533 | 33 | 31 |
| 889 | Celestial Mechanics | 28 | 530 | 30 | 40 |
| 890 | Interactive multimedia | 14 | 525 | 182 | 181 |
| 891 | Forest Management | 15 | 524 | 361 | 383 |
| 892 | Kidney diseases | 18 | 523 | 238 | 275 |
| 893 | Memory disorders | 10 | 519 | 93 | 59 |
| 894 | Municipal Engineering | 22 | 517 | 13 | 29 |
| 895 | Entrepreneurship | 13 | 513 | 332 | 523 |
| 896 | Bioremediation | 21 | 512 | 81 | 196 |
| 896 | Production Management | 13 | 512 | 497 | 657 |
| 896 | nuclear magnetic resonance spectroscopy | 14 | 512 | 277 | 177 |
| 899 | vitamin C | 21 | 511 | 24 | 106 |
| 899 | vitamin E | 21 | 511 | 24 | 106 |
| 901 | Health Education | 27 | 509 | 501 | 580 |
| 901 | Japan | 25 | 509 | 397 | 353 |
| 903 | Atmospheric Chemistry | 19 | 507 | 343 | 498 |
| 904 | micromechanics | 18 | 506 | 161 | 163 |
| 905 | Magnetic Materials | 19 | 503 | 562 | 582 |
| 906 | preventive medicine | 14 | 500 | 443 | 466 |
| 907 | Criminal psychology | 22 | 497 | 225 | 270 |
| 908 | Herbal medicine | 10 | 496 | 265 | 227 |
| 908 | Food additives | 20 | 496 | 283 | 447 |
| 910 | Social problems | 14 | 494 | 208 | 241 |
| 910 | Middle East | 29 | 494 | 143 | 136 |
| 912 | Ergonomics | 23 | 493 | 260 | 276 |
| 912 | Avionics | 13 | 493 | 17 | 10 |
| 912 | Communication Disorders | 18 | 493 | 48 | 51 |
| 915 | Labor Economics | 33 | 492 | 37 | 144 |
| 916 | Industrial Organization | 7 | 490 | 173 | 78 |
| 917 | Plastics | 23 | 489 | 477 | 500 |
| 917 | Protein engineering | 16 | 489 | 37 | 60 |
| 917 | molecular design | 17 | 489 | 36 | 60 |
| 920 | Educational Technology | 21 | 487 | 431 | 531 |
| 921 | Neurolinguistics | 10 | 479 | 187 | 186 |
| 921 | Information Retrieval | 19 | 479 | 79 | 161 |
| 921 | toxicity testing | 12 | 479 | 154 | 126 |
| 924 | Quantum Communication | 15 | 478 | 27 | 64 |
| 924 | complementary therapies | 22 | 478 | 352 | 446 |
| 924 | Germany | 49 | 478 | 66 | 37 |
| 924 | sports injuries | 23 | 478 | 77 | 75 |
| 928 | multimedia | 12 | 475 | 188 | 187 |
| 929 | Oral Medicine | 34 | 472 | 64 | 106 |
| 929 | Sound | 21 | 472 | 281 | 281 |
| 929 | Cement | 21 | 472 | 139 | 350 |
| 932 | homosexuality | 16 | 471 | 75 | 88 |
| 932 | Autonomous robots | 13 | 471 | 27 | 55 |
| 934 | Pharmacokinetics | 17 | 470 | 199 | 291 |
| 935 | Cross-Cultural Studies | 23 | 468 | 81 | 148 |
| 935 | Ultrasonic Imaging | 11 | 468 | 191 | 110 |
| 937 | air quality management | 15 | 462 | 94 | 128 |
| 938 | Geriatric Pharmacology | 21 | 461 | 24 | 60 |
| 939 | Crystal growth | 16 | 460 | 343 | 337 |
| 940 | Animal | 23 | 459 | 10 | 11 |
| 941 | Liquid Crystals | 48 | 458 | 116 | 129 |
| 942 | counseling | 21 | 457 | 432 | 435 |
| 943 | Soil biology | 8 | 453 | 543 | 536 |
| 944 | Neurovirology | 18 | 449 | 44 | 59 |
| 944 | Alternative Medicine | 19 | 449 | 367 | 461 |
| 946 | Biodegradation | 17 | 447 | 104 | 215 |
| 947 | Geothermal Energy | 13 | 444 | 54 | 47 |
| 947 | speech therapy | 9 | 444 | 211 | 111 |
| 949 | Space telescopes | 8 | 442 | 79 | 28 |
| 949 | Radiotherapy | 66 | 442 | 23 | 57 |
| 951 | Energy Storage | 16 | 440 | 436 | 535 |
| 952 | Endocrine system | 43 | 439 | 72 | 51 |
| 952 | Australia | 29 | 439 | 351 | 491 |
| 954 | Computational Chemistry | 9 | 437 | 337 | 271 |
| 955 | drug abuse | 21 | 435 | 146 | 159 |
| 956 | Sun | 20 | 434 | 116 | 136 |
| 957 | Forensic Genetics | 15 | 432 | 62 | 80 |
| 958 | Forensic Psychiatry | 22 | 430 | 123 | 139 |
| 959 | Geographic information systems | 13 | 429 | 386 | 226 |
| 959 | Zoonoses | 8 | 429 | 95 | 58 |
| 961 | Plant tissue culture | 14 | 428 | 197 | 210 |
| 962 | Continental shelf | 5 | 426 | 257 | 138 |
| 963 | data protection | 12 | 424 | 133 | 87 |
| 964 | Pharmacogenetics | 17 | 423 | 254 | 361 |
| 965 | Happiness | 15 | 422 | 51 | 123 |
| 966 | Environmental Geochemistry | 13 | 418 | 93 | 74 |
| 967 | Technological Innovations | 17 | 417 | 241 | 379 |
| 968 | Plant cell culture | 9 | 415 | 269 | 214 |
| 969 | Evolutionary Genetics | 17 | 414 | 91 | 153 |
| 969 | Molecular Epidemiology | 17 | 414 | 91 | 153 |
| 969 | Randomized Controlled Trials | 28 | 414 | 191 | 229 |
| 972 | Bone diseases | 15 | 412 | 107 | 249 |
| 973 | Humanities | 25 | 410 | 322 | 307 |
| 974 | Comparative Psychology | 8 | 409 | 47 | 64 |
| 974 | Drug discovery | 7 | 409 | 87 | 55 |
| 974 | Recycling | 11 | 409 | 208 | 393 |
| 977 | Graph Theory | 34 | 408 | 106 | 139 |
| 978 | Law | 19 | 407 | 418 | 226 |
| 979 | Neuroanatomy | 9 | 404 | 58 | 50 |
| 980 | Interferons | 19 | 403 | 20 | 54 |
| 981 | Periglacial processes | 7 | 399 | 57 | 47 |
| 981 | Permafrost | 7 | 399 | 57 | 47 |
| 981 | Frozen ground | 7 | 399 | 60 | 47 |
| 984 | Petroleum Engineering | 12 | 396 | 281 | 247 |
| 984 | Research Design | 25 | 396 | 263 | 506 |
| 986 | Enzyme | 6 | 395 | 306 | 206 |
| 987 | Intercultural Communication | 15 | 394 | 81 | 110 |
| 987 | weather | 12 | 394 | 161 | 175 |
| 989 | Nanobiotechnology | 7 | 393 | 175 | 210 |
| 990 | Nuclear Chemistry | 26 | 391 | 256 | 284 |
| 990 | Biomass | 10 | 391 | 233 | 290 |
| 992 | infrared radiation | 49 | 390 | 25 | 80 |
| 993 | Marine Meteorology | 10 | 388 | 166 | 168 |
| 994 | Pesticides | 3 | 387 | 641 | 138 |
| 995 | Nephrology | 9 | 386 | 225 | 262 |
| 996 | Fractional Calculus | 20 | 385 | 3 | 18 |
| 997 | Child welfare | 22 | 383 | 303 | 369 |
| 998 | Transportation Engineering | 12 | 381 | 125 | 131 |
| 998 | Intelligent Control Systems | 19 | 381 | 254 | 170 |
| 1000 | Allergies | 5 | 376 | 56 | 34 |