| 1 | Science | 5,387 | 625.3K | 22 | 25 |
| 2 | Biology | 4,321 | 573.7K | 32 | 27 |
| 3 | Physics | 4,747 | 568.4K | 50 | 32 |
| 4 | Cell Biology | 1,767 | 345.3K | 16 | 13 |
| 5 | Natural history | 996 | 339.8K | 38 | 26 |
| 6 | Medicine | 4,625 | 327.5K | 24 | 26 |
| 7 | Cytology | 1,587 | 315.5K | 28 | 15 |
| 8 | Neurology | 3,671 | 290.0K | 15 | 17 |
| 9 | Molecular Biology | 2,521 | 248.7K | 45 | 29 |
| 10 | Virology | 781 | 223.7K | 32 | 15 |
| 11 | Biochemistry | 4,092 | 210.2K | 40 | 37 |
| 12 | Chemistry | 2,696 | 193.3K | 106 | 76 |
| 13 | Research | 2,608 | 148.5K | 41 | 20 |
| 14 | Astrophysics | 1,096 | 128.9K | 140 | 85 |
| 15 | Psychology | 2,130 | 127.2K | 8 | 11 |
| 16 | Economics | 1,391 | 124.5K | 12 | 10 |
| 17 | Microbiology | 1,302 | 115.5K | 78 | 49 |
| 18 | Immunology | 1,115 | 104.4K | 20 | 15 |
| 19 | Immunity | 459 | 101.8K | 18 | 10 |
| 20 | Nuclear Physics | 1,784 | 95.7K | 92 | 50 |
| 21 | Neurophysiology | 999 | 92.5K | 28 | 20 |
| 22 | United States | 2,504 | 92.4K | 23 | 19 |
| 23 | Signal Processing | 275 | 88.6K | 113 | 2 |
| 24 | Genetics | 914 | 87.6K | 41 | 36 |
| 25 | Public Health | 1,461 | 87.3K | 36 | 31 |
| 26 | Psychiatry | 1,797 | 86.8K | 16 | 32 |
| 27 | Social Psychology | 973 | 86.2K | 2 | 6 |
| 28 | Astronomy | 805 | 85.2K | 151 | 101 |
| 29 | Spectrum analysis | 871 | 82.2K | 92 | 57 |
| 30 | management | 493 | 75.8K | 24 | 15 |
| 31 | Biophysics | 1,865 | 75.3K | 23 | 26 |
| 32 | Human genetics | 307 | 73.2K | 70 | 66 |
| 33 | Cancer | 980 | 71.7K | 18 | 16 |
| 34 | Neurons | 261 | 68.9K | 14 | 12 |
| 35 | Image Processing | 126 | 63.5K | 154 | 2 |
| 36 | Developmental Biology | 629 | 61.1K | 23 | 23 |
| 37 | Physiology | 1,105 | 54.8K | 39 | 39 |
| 38 | Growth | 439 | 54.2K | 10 | 8 |
| 39 | finance | 489 | 49.3K | 2 | 2 |
| 40 | Child Development | 656 | 48.9K | 10 | 10 |
| 41 | Cell differentiation | 376 | 48.1K | 22 | 9 |
| 42 | Allergy | 235 | 47.6K | 21 | 7 |
| 43 | Dermatology | 1,096 | 46.6K | 6 | 4 |
| 44 | Child psychology | 659 | 46.0K | 10 | 14 |
| 45 | Pharmacology | 1,080 | 45.5K | 65 | 46 |
| 46 | Biotechnology | 266 | 45.1K | 371 | 83 |
| 47 | Vocational guidance | 160 | 44.5K | 27 | 1 |
| 48 | Hematology | 981 | 44.1K | 36 | 50 |
| 49 | Quantum Gravity | 731 | 42.9K | 49 | 42 |
| 50 | Artificial Intelligence | 323 | 42.6K | 81 | 20 |
| 51 | Brain | 795 | 41.8K | 19 | 23 |
| 52 | Immune system | 165 | 41.1K | 20 | 12 |
| 53 | Behavior | 852 | 41.0K | 26 | 39 |
| 54 | Psychophysiology | 785 | 40.1K | 34 | 48 |
| 55 | Bioengineering | 186 | 40.1K | 283 | 61 |
| 56 | Pediatrics | 1,022 | 38.6K | 28 | 42 |
| 57 | Embryology | 360 | 38.5K | 24 | 15 |
| 58 | Oncology | 329 | 38.3K | 34 | 14 |
| 59 | Neurobiology | 395 | 38.1K | 22 | 17 |
| 60 | personality | 441 | 37.8K | 6 | 11 |
| 61 | Mathematics | 1,587 | 37.8K | 37 | 23 |
| 62 | Mental Disorders | 717 | 37.0K | 24 | 38 |
| 63 | Mathematical Physics | 774 | 37.0K | 16 | 8 |
| 64 | Biochemical Engineering | 108 | 36.3K | 365 | 53 |
| 65 | Anatomy | 400 | 35.8K | 26 | 16 |
| 66 | human behavior | 381 | 35.7K | 45 | 29 |
| 67 | Toxicology | 750 | 34.3K | 29 | 21 |
| 68 | Memory | 1,164 | 34.2K | 2 | 10 |
| 69 | commerce | 191 | 33.7K | 6 | 6 |
| 70 | Nervous system | 375 | 32.8K | 38 | 32 |
| 71 | Urology | 839 | 32.5K | 19 | 18 |
| 72 | Cardiovascular system | 424 | 32.3K | 29 | 39 |
| 73 | Business | 222 | 32.1K | 11 | 11 |
| 74 | Neurochemistry | 498 | 31.9K | 17 | 16 |
| 75 | Sociology | 638 | 31.9K | 18 | 29 |
| 76 | Econometrics | 221 | 31.8K | 16 | 14 |
| 77 | Immunotherapy | 175 | 31.5K | 50 | 12 |
| 78 | Endocrinology | 593 | 30.6K | 72 | 103 |
| 79 | Telecommunication | 299 | 30.4K | 85 | 35 |
| 80 | Ophthalmology | 543 | 30.3K | 17 | 10 |
| 81 | Environmental Health | 671 | 29.6K | 69 | 113 |
| 82 | marketing | 298 | 29.5K | 7 | 17 |
| 83 | Perception | 1,115 | 28.6K | 2 | 8 |
| 84 | arthritis | 311 | 28.5K | 18 | 9 |
| 85 | Surgery | 346 | 27.3K | 33 | 58 |
| 86 | Cognitive neuroscience | 274 | 27.1K | 14 | 19 |
| 87 | Medical genetics | 358 | 27.0K | 95 | 88 |
| 88 | Attention | 1,086 | 26.8K | 2 | 7 |
| 89 | viruses | 287 | 26.0K | 37 | 26 |
| 90 | Environment | 411 | 25.9K | 162 | 216 |
| 91 | Cytogenetics | 191 | 25.9K | 41 | 32 |
| 92 | Hypertension | 380 | 25.6K | 36 | 46 |
| 93 | Political Science | 597 | 25.5K | 6 | 8 |
| 94 | Pathology | 355 | 24.9K | 37 | 22 |
| 95 | Visual Perception | 1,026 | 24.8K | 2 | 8 |
| 96 | Metabolic diseases | 310 | 24.1K | 83 | 80 |
| 97 | Health Policy | 407 | 24.0K | 27 | 10 |
| 98 | Statistical physics | 797 | 23.9K | 52 | 67 |
| 99 | Epidemiology | 610 | 23.9K | 55 | 73 |
| 100 | Ecology | 388 | 23.4K | 364 | 361 |
| 101 | Cognition | 462 | 23.1K | 10 | 22 |
| 102 | Developmental Genetics | 165 | 23.0K | 16 | 17 |
| 103 | Medical Oncology | 432 | 22.5K | 23 | 20 |
| 104 | Developmental Psychology | 325 | 22.2K | 5 | 4 |
| 105 | Genetic regulation | 159 | 22.0K | 25 | 21 |
| 106 | Psychopharmacology | 269 | 21.9K | 29 | 28 |
| 107 | nucleic acids | 233 | 21.9K | 39 | 55 |
| 108 | Rheumatology | 237 | 21.8K | 14 | 9 |
| 109 | Gene expression regulation | 147 | 21.2K | 21 | 18 |
| 110 | cell physiology | 347 | 20.6K | 11 | 19 |
| 111 | Nanotechnology | 346 | 20.5K | 299 | 264 |
| 112 | organization | 138 | 20.4K | 8 | 13 |
| 113 | Polymers | 610 | 20.4K | 146 | 145 |
| 114 | Education | 785 | 20.0K | 29 | 49 |
| 115 | Bacteriology | 305 | 19.9K | 40 | 55 |
| 116 | viral genetics | 106 | 19.8K | 15 | 15 |
| 117 | Social Sciences | 719 | 19.7K | 11 | 21 |
| 118 | Mental illness | 347 | 19.6K | 34 | 48 |
| 119 | Catalysis | 426 | 19.5K | 146 | 172 |
| 120 | Materials | 378 | 19.4K | 446 | 355 |
| 121 | Condensed Matter | 458 | 18.7K | 231 | 207 |
| 122 | Cognitive Science | 219 | 18.6K | 8 | 17 |
| 123 | Statistics | 475 | 18.5K | 45 | 55 |
| 124 | Obstetrics | 566 | 18.5K | 37 | 39 |
| 125 | Mental Health | 320 | 18.3K | 10 | 5 |
| 126 | Computer Graphics | 315 | 18.0K | 25 | 21 |
| 127 | behavioral medicine | 193 | 17.7K | 26 | 11 |
| 128 | Solid State Physics | 457 | 17.6K | 256 | 208 |
| 129 | Host-parasite interactions | 161 | 17.4K | 27 | 25 |
| 130 | Information Theory | 235 | 17.3K | 29 | 22 |
| 131 | Geophysics | 391 | 17.2K | 226 | 205 |
| 132 | Metabolism | 299 | 17.1K | 126 | 135 |
| 133 | Geriatrics | 819 | 17.0K | 24 | 62 |
| 134 | Automation | 241 | 17.0K | 79 | 71 |
| 135 | Vision | 186 | 16.9K | 8 | 3 |
| 136 | Mathematical Economics | 59 | 16.7K | 8 | 7 |
| 137 | Cell death | 82 | 16.7K | 81 | 27 |
| 138 | Aging | 564 | 15.5K | 31 | 63 |
| 139 | Child | 516 | 15.5K | 24 | 30 |
| 140 | Electronics | 328 | 15.4K | 135 | 87 |
| 141 | Pharmaceutical Chemistry | 282 | 14.7K | 158 | 114 |
| 142 | Radio | 307 | 14.4K | 27 | 40 |
| 143 | Chemical Engineering | 223 | 14.4K | 428 | 276 |
| 144 | Operations Research | 326 | 14.4K | 24 | 26 |
| 145 | Adolescent | 551 | 14.2K | 15 | 21 |
| 146 | diseases | 18 | 14.2K | 39 | 15 |
| 147 | Disease | 14 | 14.2K | 54 | 15 |
| 148 | Radiobiology | 218 | 14.1K | 45 | 29 |
| 149 | Oncogenes | 164 | 14.1K | 23 | 23 |
| 150 | polymerization | 460 | 14.1K | 149 | 159 |
| 151 | Neuropsychology | 310 | 13.8K | 46 | 49 |
| 152 | Optics | 341 | 13.6K | 273 | 141 |
| 153 | Biocompatible Materials | 287 | 13.3K | 210 | 245 |
| 154 | Schizophrenia | 242 | 13.2K | 17 | 18 |
| 155 | Decision making | 194 | 12.9K | 10 | 18 |
| 156 | Anthropology | 444 | 12.8K | 16 | 15 |
| 157 | Medical Microbiology | 187 | 12.7K | 100 | 81 |
| 158 | Nutrition | 359 | 12.7K | 128 | 179 |
| 159 | biological evolution | 245 | 12.6K | 61 | 135 |
| 160 | Molecular structure | 156 | 12.5K | 66 | 46 |
| 161 | economic policy | 234 | 12.4K | 29 | 10 |
| 162 | Pediatric Neurology | 140 | 12.4K | 30 | 50 |
| 163 | Substance Abuse | 480 | 12.4K | 15 | 22 |
| 164 | Securities | 27 | 12.2K | 5 | 1 |
| 165 | Health | 266 | 12.1K | 44 | 36 |
| 166 | Social problems | 137 | 12.0K | 5 | 4 |
| 167 | Capital market | 24 | 12.0K | 52 | 1 |
| 168 | alcoholism | 406 | 11.9K | 25 | 33 |
| 169 | Materials Science | 204 | 11.9K | 408 | 305 |
| 170 | mental health policy | 69 | 11.9K | 5 | 4 |
| 171 | genome | 110 | 11.8K | 75 | 76 |
| 172 | Psycholinguistics | 241 | 11.6K | 6 | 24 |
| 173 | Organizational Behavior | 103 | 11.5K | 7 | 11 |
| 174 | Environmental Toxicology | 189 | 11.4K | 40 | 37 |
| 175 | fertility | 221 | 11.4K | 17 | 19 |
| 176 | Infertility | 220 | 11.3K | 16 | 17 |
| 177 | Botany | 166 | 11.2K | 442 | 315 |
| 178 | Bacterial infections | 76 | 11.1K | 26 | 15 |
| 179 | drug development | 97 | 11.1K | 32 | 26 |
| 180 | Sleep | 296 | 11.1K | 25 | 32 |
| 181 | Biomedical Engineering | 311 | 11.1K | 210 | 220 |
| 182 | mycoses | 71 | 11.0K | 18 | 15 |
| 183 | Critical Care | 167 | 11.0K | 75 | 104 |
| 184 | Critical Care Medicine | 166 | 10.9K | 78 | 103 |
| 184 | Liver diseases | 119 | 10.9K | 102 | 92 |
| 186 | Medical innovations | 86 | 10.9K | 37 | 29 |
| 187 | Computational Biology | 237 | 10.8K | 63 | 104 |
| 188 | Sleep Disorders | 283 | 10.7K | 27 | 34 |
| 189 | Alzheimer's disease | 353 | 10.7K | 45 | 38 |
| 190 | Philosophy | 380 | 10.6K | 14 | 5 |
| 191 | Medical Laboratory Science | 172 | 10.5K | 54 | 58 |
| 192 | Pollution | 238 | 10.4K | 382 | 481 |
| 193 | Linguistics | 277 | 10.4K | 8 | 19 |
| 194 | Psychoanalysis | 790 | 10.3K | 1 | 1 |
| 195 | Geology | 212 | 10.1K | 257 | 207 |
| 196 | Economic History | 369 | 10.1K | 36 | 47 |
| 197 | Medical Anthropology | 145 | 9.8K | 54 | 36 |
| 198 | Microbial Ecology | 111 | 9.8K | 189 | 157 |
| 199 | Fluid Mechanics | 335 | 9.7K | 13 | 21 |
| 200 | Meteorology | 220 | 9.5K | 138 | 161 |
| 201 | Learning | 164 | 9.3K | 38 | 42 |
| 202 | Dementia | 331 | 9.3K | 43 | 39 |
| 203 | Cell metabolism | 34 | 9.3K | 55 | 34 |
| 204 | nuclear magnetic resonance | 191 | 9.1K | 22 | 14 |
| 205 | Homeostasis | 29 | 9.1K | 51 | 35 |
| 206 | Water | 108 | 8.9K | 239 | 163 |
| 207 | Histology | 158 | 8.9K | 61 | 47 |
| 208 | Carcinogenesis | 160 | 8.8K | 5 | 8 |
| 209 | Magnetic Resonance Spectroscopy | 184 | 8.7K | 23 | 10 |
| 210 | child abuse | 91 | 8.7K | 36 | 9 |
| 211 | Developing countries | 224 | 8.7K | 36 | 43 |
| 212 | carcinogens | 153 | 8.7K | 10 | 8 |
| 213 | Nonlinear Dynamics | 300 | 8.6K | 53 | 80 |
| 214 | medical education | 355 | 8.5K | 24 | 43 |
| 215 | Entrepreneurship | 38 | 8.5K | 78 | 29 |
| 216 | Statistical Mechanics | 319 | 8.4K | 4 | 13 |
| 217 | Colloids | 222 | 8.4K | 276 | 279 |
| 218 | Transportation | 212 | 8.4K | 62 | 60 |
| 219 | Membranes | 240 | 8.2K | 36 | 85 |
| 220 | Economic Development | 165 | 8.2K | 32 | 50 |
| 221 | Clinical Chemistry | 231 | 8.2K | 96 | 130 |
| 222 | Plants | 60 | 8.2K | 297 | 143 |
| 223 | Therapeutics | 179 | 8.1K | 61 | 64 |
| 224 | Post-traumatic stress disorder | 124 | 8.1K | 16 | 14 |
| 225 | mutagens | 130 | 8.0K | 7 | 8 |
| 226 | Cerebral cortex | 96 | 8.0K | 46 | 33 |
| 227 | Production Management | 109 | 7.9K | 39 | 37 |
| 228 | Magnetohydrodynamics | 297 | 7.9K | 4 | 10 |
| 229 | Bioorganic chemistry | 152 | 7.9K | 158 | 101 |
| 230 | Radiology | 275 | 7.9K | 15 | 15 |
| 231 | Virulence | 111 | 7.8K | 45 | 68 |
| 232 | Molecular Microbiology | 85 | 7.8K | 49 | 37 |
| 233 | rehabilitation | 257 | 7.8K | 50 | 78 |
| 234 | Diabetes mellitus | 142 | 7.7K | 124 | 159 |
| 235 | Animal Behavior | 133 | 7.6K | 198 | 166 |
| 236 | Diabetes | 132 | 7.5K | 159 | 169 |
| 237 | health behavior | 254 | 7.5K | 16 | 29 |
| 238 | Community Psychiatry | 225 | 7.4K | 9 | 17 |
| 239 | Health promotion | 281 | 7.4K | 18 | 44 |
| 240 | Radiography | 169 | 7.4K | 21 | 38 |
| 241 | Clinical Psychology | 158 | 7.4K | 60 | 85 |
| 242 | Dentistry | 340 | 7.3K | 3 | 3 |
| 243 | Political Psychology | 62 | 7.3K | 4 | 4 |
| 244 | Physical Chemistry | 146 | 7.3K | 133 | 121 |
| 245 | Genomics | 219 | 7.3K | 114 | 153 |
| 246 | proteins | 176 | 7.3K | 57 | 74 |
| 247 | Obesity | 184 | 7.2K | 86 | 110 |
| 248 | Speech Disorders | 245 | 7.2K | 22 | 33 |
| 249 | Social work | 438 | 7.2K | 11 | 17 |
| 250 | Europe | 214 | 7.1K | 151 | 98 |
| 251 | psychotherapy | 244 | 7.1K | 16 | 79 |
| 252 | Computer Vision | 54 | 7.1K | 119 | 53 |
| 253 | drug addiction | 256 | 7.1K | 26 | 45 |
| 254 | Social behavior | 144 | 7.1K | 27 | 42 |
| 255 | human development | 153 | 7.0K | 11 | 17 |
| 256 | Health insurance | 81 | 7.0K | 23 | 15 |
| 257 | Environmental Engineering | 150 | 7.0K | 248 | 287 |
| 258 | preventive medicine | 201 | 6.9K | 26 | 56 |
| 259 | Thrombosis | 137 | 6.9K | 25 | 31 |
| 260 | Organic Chemistry | 183 | 6.9K | 202 | 166 |
| 261 | mathematical analysis | 311 | 6.9K | 21 | 9 |
| 262 | Diet | 152 | 6.9K | 104 | 154 |
| 263 | Transplantation | 185 | 6.8K | 49 | 75 |
| 264 | gene mapping | 125 | 6.8K | 82 | 109 |
| 265 | Radio waves | 163 | 6.8K | 35 | 38 |
| 266 | consumer behavior | 65 | 6.7K | 13 | 7 |
| 267 | optical instruments | 103 | 6.6K | 11 | 8 |
| 268 | income distribution | 25 | 6.6K | 7 | 3 |
| 269 | drug therapy | 215 | 6.5K | 91 | 118 |
| 270 | Community Psychology | 146 | 6.5K | 7 | 15 |
| 271 | vascular diseases | 107 | 6.5K | 22 | 23 |
| 272 | Leukemia | 133 | 6.4K | 36 | 81 |
| 273 | miniaturization | 81 | 6.4K | 191 | 169 |
| 274 | Earth Sciences | 97 | 6.4K | 401 | 234 |
| 275 | United Kingdom | 119 | 6.4K | 84 | 75 |
| 276 | Engineering | 267 | 6.4K | 141 | 145 |
| 277 | Environmental monitoring | 181 | 6.3K | 160 | 264 |
| 278 | soil microbiology | 62 | 6.3K | 166 | 112 |
| 279 | Molecular Genetics | 124 | 6.3K | 108 | 134 |
| 279 | international trade | 83 | 6.3K | 8 | 7 |
| 281 | Health Education | 282 | 6.3K | 38 | 65 |
| 282 | Health Services Administration | 139 | 6.3K | 22 | 21 |
| 283 | Orthopedics | 179 | 6.2K | 50 | 49 |
| 284 | Environmental Policy | 165 | 6.2K | 141 | 245 |
| 285 | epilepsy | 188 | 6.2K | 7 | 9 |
| 286 | Reproduction | 141 | 6.2K | 169 | 128 |
| 287 | Electrochemistry | 274 | 6.1K | 297 | 321 |
| 288 | Geography | 63 | 6.1K | 311 | 125 |
| 289 | Mechanics | 137 | 6.0K | 16 | 15 |
| 290 | Psychoanalytic theory | 327 | 6.0K | 1 | 1 |
| 291 | International Finance | 116 | 6.0K | 46 | 10 |
| 292 | Public Policy | 229 | 5.9K | 21 | 47 |
| 293 | drug abuse | 205 | 5.8K | 6 | 6 |
| 294 | Adolescent Medicine | 102 | 5.8K | 27 | 37 |
| 295 | Numerical Analysis | 122 | 5.8K | 107 | 30 |
| 296 | Ethology | 88 | 5.7K | 200 | 172 |
| 296 | Diagnostic microbiology | 69 | 5.7K | 97 | 98 |
| 298 | Emergency Medicine | 261 | 5.7K | 30 | 38 |
| 299 | Immunopathology | 111 | 5.7K | 63 | 36 |
| 300 | Speech | 213 | 5.7K | 22 | 36 |
| 301 | Archaeology | 120 | 5.7K | 88 | 41 |
| 302 | Geometry | 219 | 5.6K | 2 | 4 |
| 303 | adolescence | 123 | 5.6K | 33 | 33 |
| 304 | Teaching | 187 | 5.6K | 34 | 58 |
| 305 | Communication | 184 | 5.6K | 73 | 127 |
| 306 | analysis | 116 | 5.5K | 4 | 9 |
| 307 | Psychometrics | 63 | 5.5K | 39 | 34 |
| 308 | Diagnostic Imaging | 101 | 5.4K | 139 | 88 |
| 309 | Proteome | 78 | 5.4K | 55 | 42 |
| 310 | Clinical Immunology | 115 | 5.4K | 41 | 21 |
| 311 | Climatology | 146 | 5.4K | 117 | 161 |
| 312 | city planning | 102 | 5.3K | 92 | 56 |
| 313 | Microelectronics | 62 | 5.3K | 260 | 174 |
| 314 | Electrical Engineering | 160 | 5.2K | 252 | 115 |
| 315 | Genetic engineering | 91 | 5.2K | 137 | 113 |
| 316 | Molecular evolution | 93 | 5.2K | 78 | 114 |
| 317 | Data Mining | 114 | 5.1K | 16 | 71 |
| 318 | Plant cells | 41 | 5.0K | 265 | 217 |
| 319 | Human Geography | 40 | 5.0K | 207 | 61 |
| 320 | Mental Health Services | 220 | 4.9K | 26 | 34 |
| 321 | Bone diseases | 33 | 4.9K | 24 | 13 |
| 322 | Experimental Psychology | 80 | 4.9K | 17 | 26 |
| 322 | plant molecular biology | 49 | 4.9K | 268 | 218 |
| 324 | Environmental Microbiology | 53 | 4.8K | 122 | 91 |
| 325 | Microorganisms | 44 | 4.8K | 87 | 66 |
| 326 | innovation | 25 | 4.8K | 66 | 30 |
| 327 | Geochemistry | 95 | 4.8K | 303 | 260 |
| 328 | language | 143 | 4.7K | 15 | 22 |
| 329 | Planets | 108 | 4.7K | 205 | 219 |
| 330 | Discrete geometry | 139 | 4.7K | 1 | 2 |
| 331 | Parasitology | 122 | 4.6K | 119 | 91 |
| 332 | enzymes | 92 | 4.6K | 72 | 48 |
| 333 | visualization | 195 | 4.6K | 26 | 21 |
| 334 | protein | 102 | 4.6K | 45 | 72 |
| 335 | Venture Capital | 19 | 4.6K | 29 | 23 |
| 336 | Lipids | 70 | 4.6K | 95 | 78 |
| 337 | Physical Therapy | 163 | 4.5K | 44 | 87 |
| 338 | Human evolution | 105 | 4.5K | 12 | 27 |
| 339 | Small Business | 26 | 4.5K | 106 | 45 |
| 340 | environmental pollution | 144 | 4.5K | 399 | 563 |
| 341 | Analytical Chemistry | 192 | 4.5K | 404 | 560 |
| 342 | Macroeconomics | 33 | 4.4K | 8 | 2 |
| 343 | Comparative Physiology | 125 | 4.4K | 19 | 25 |
| 344 | Neuropsychiatry | 99 | 4.4K | 23 | 23 |
| 345 | Soft Condensed Matter | 97 | 4.3K | 72 | 46 |
| 346 | Smoking | 129 | 4.3K | 32 | 39 |
| 347 | Ethnology | 162 | 4.3K | 30 | 15 |
| 348 | cytokines | 45 | 4.3K | 105 | 29 |
| 349 | Educational Psychology | 130 | 4.3K | 81 | 113 |
| 350 | computer networks | 139 | 4.3K | 128 | 137 |
| 351 | older people | 451 | 4.3K | 19 | 46 |
| 352 | pain | 129 | 4.3K | 67 | 131 |
| 353 | homosexuality | 102 | 4.3K | 4 | 5 |
| 354 | Bioinformatics | 110 | 4.3K | 144 | 203 |
| 355 | Emotions | 76 | 4.2K | 18 | 30 |
| 356 | environmental protection | 120 | 4.2K | 231 | 300 |
| 357 | Chronic diseases | 121 | 4.2K | 25 | 86 |
| 358 | Cytokine | 40 | 4.2K | 6 | 3 |
| 359 | Stem cells | 83 | 4.2K | 118 | 104 |
| 360 | counseling | 204 | 4.2K | 32 | 64 |
| 361 | Developmental Disabilities | 54 | 4.2K | 132 | 80 |
| 362 | Metals | 105 | 4.2K | 199 | 204 |
| 363 | biopolymers | 89 | 4.2K | 78 | 48 |
| 364 | Adolescent Psychology | 96 | 4.1K | 24 | 29 |
| 365 | Gerontology | 441 | 4.1K | 28 | 105 |
| 366 | Nanostructured Materials | 120 | 4.1K | 371 | 413 |
| 367 | energy conservation | 55 | 4.1K | 266 | 234 |
| 368 | Proteomics | 52 | 4.1K | 74 | 41 |
| 369 | Composite Materials | 53 | 4.1K | 566 | 360 |
| 370 | Growth factors | 32 | 4.0K | 5 | 2 |
| 371 | Anxiety Disorders | 53 | 4.0K | 37 | 38 |
| 371 | Anxiety | 53 | 4.0K | 37 | 37 |
| 373 | Surface Chemistry | 149 | 4.0K | 409 | 512 |
| 374 | Drug delivery systems | 25 | 4.0K | 378 | 101 |
| 375 | mutation | 77 | 4.0K | 7 | 13 |
| 376 | Health Services Research | 143 | 4.0K | 75 | 108 |
| 377 | Primates | 129 | 3.9K | 16 | 26 |
| 378 | Software Engineering | 37 | 3.9K | 157 | 46 |
| 379 | Chromosomes | 77 | 3.8K | 37 | 32 |
| 380 | nanoscience | 73 | 3.7K | 451 | 460 |
| 381 | Retina | 18 | 3.7K | 17 | 17 |
| 382 | Water pollution | 80 | 3.7K | 351 | 346 |
| 383 | Neurolinguistics | 79 | 3.7K | 8 | 13 |
| 384 | Metallurgy | 111 | 3.7K | 226 | 235 |
| 385 | violence | 90 | 3.7K | 42 | 51 |
| 386 | Mineralogy | 106 | 3.7K | 115 | 142 |
| 386 | biological factors | 87 | 3.7K | 84 | 83 |
| 388 | Green Chemistry | 64 | 3.6K | 211 | 196 |
| 389 | Nanostructures | 35 | 3.6K | 365 | 185 |
| 390 | Investment analysis | 58 | 3.6K | 26 | 7 |
| 391 | Population Genetics | 62 | 3.6K | 140 | 143 |
| 392 | peace | 84 | 3.6K | 11 | 23 |
| 393 | health services | 144 | 3.5K | 36 | 43 |
| 394 | Vaccines | 119 | 3.5K | 88 | 113 |
| 395 | probabilities | 220 | 3.5K | 13 | 24 |
| 396 | Gender Studies | 144 | 3.5K | 1 | 1 |
| 397 | Evolution | 96 | 3.5K | 201 | 306 |
| 398 | Molecular ecology | 53 | 3.5K | 134 | 152 |
| 399 | gene therapy | 54 | 3.5K | 103 | 83 |
| 400 | Occupational Therapy | 257 | 3.5K | 10 | 18 |
| 401 | DNA polymerases | 40 | 3.4K | 35 | 67 |
| 402 | Marine Biology | 80 | 3.4K | 387 | 311 |
| 403 | behavior therapy | 74 | 3.4K | 79 | 71 |
| 404 | Game Theory | 99 | 3.4K | 6 | 19 |
| 405 | Demography | 67 | 3.4K | 40 | 35 |
| 406 | Cybernetics | 92 | 3.4K | 98 | 172 |
| 407 | Wireless Communication Systems | 105 | 3.4K | 248 | 240 |
| 408 | Environmental Management | 59 | 3.4K | 421 | 346 |
| 409 | Information Technology | 76 | 3.4K | 159 | 175 |
| 409 | Chromosome mapping | 80 | 3.4K | 125 | 157 |
| 411 | international cooperation | 72 | 3.4K | 11 | 12 |
| 412 | eye | 20 | 3.3K | 21 | 21 |
| 413 | Social Issues | 56 | 3.3K | 3 | 3 |
| 414 | Systems Biology | 94 | 3.3K | 69 | 65 |
| 415 | Neural circuitry | 44 | 3.3K | 292 | 129 |
| 416 | Family | 120 | 3.3K | 41 | 54 |
| 417 | Social perception | 48 | 3.3K | 1 | 2 |
| 418 | histological techniques | 48 | 3.2K | 39 | 25 |
| 419 | free radicals | 53 | 3.2K | 154 | 164 |
| 420 | Youth | 58 | 3.2K | 49 | 36 |
| 421 | Criminology | 136 | 3.2K | 38 | 59 |
| 422 | Genetic therapy | 59 | 3.2K | 101 | 87 |
| 423 | Microwaves | 72 | 3.2K | 199 | 91 |
| 424 | Globalization | 30 | 3.2K | 45 | 5 |
| 425 | Cardiovascular diseases | 102 | 3.2K | 113 | 119 |
| 426 | scientific societies | 58 | 3.2K | 38 | 17 |
| 427 | environmental exposure | 113 | 3.1K | 51 | 102 |
| 428 | Nursing | 159 | 3.1K | 62 | 73 |
| 429 | Microeconomics | 65 | 3.1K | 14 | 18 |
| 430 | industrial hygiene | 114 | 3.1K | 16 | 8 |
| 431 | sanitation | 45 | 3.1K | 287 | 325 |
| 432 | Biodiversity | 50 | 3.1K | 345 | 272 |
| 433 | System analysis | 108 | 3.1K | 145 | 150 |
| 434 | Geodynamics | 64 | 3.0K | 85 | 85 |
| 435 | economic conditions | 47 | 3.0K | 33 | 25 |
| 436 | Hormones | 52 | 3.0K | 170 | 108 |
| 437 | chronic disease | 137 | 3.0K | 3 | 10 |
| 438 | brain mapping | 43 | 3.0K | 71 | 58 |
| 439 | Medical Physics | 122 | 3.0K | 142 | 224 |
| 440 | Synapses | 39 | 3.0K | 12 | 8 |
| 441 | Cosmology | 34 | 3.0K | 79 | 29 |
| 442 | Economic Thought | 36 | 3.0K | 15 | 21 |
| 443 | Language Disorders | 141 | 3.0K | 33 | 56 |
| 444 | Kidney diseases | 102 | 2.9K | 46 | 64 |
| 445 | Renewable Energy Sources | 38 | 2.9K | 541 | 528 |
| 446 | Environmental Law | 92 | 2.9K | 38 | 133 |
| 447 | Recombinant DNA | 86 | 2.9K | 62 | 77 |
| 448 | warfare | 58 | 2.9K | 9 | 15 |
| 448 | Combinatorial analysis | 89 | 2.9K | 62 | 21 |
| 450 | Plant physiology | 40 | 2.9K | 487 | 373 |
| 451 | Soil biology | 32 | 2.9K | 199 | 144 |
| 451 | foreign exchange | 36 | 2.9K | 8 | 4 |
| 453 | Clinical Biochemistry | 56 | 2.9K | 87 | 58 |
| 454 | Urban Economics | 44 | 2.8K | 24 | 19 |
| 455 | Queer Studies | 33 | 2.8K | 6 | 4 |
| 456 | Depression | 37 | 2.8K | 26 | 28 |
| 457 | Nuclear Medicine | 54 | 2.8K | 127 | 87 |
| 458 | Oceanography | 70 | 2.8K | 274 | 275 |
| 459 | Research Design | 146 | 2.8K | 32 | 132 |
| 460 | occupational health and safety | 72 | 2.8K | 8 | 4 |
| 461 | Child welfare | 130 | 2.8K | 30 | 39 |
| 462 | Spine | 76 | 2.7K | 42 | 75 |
| 463 | nuclear astrophysics | 30 | 2.7K | 61 | 21 |
| 464 | Crystal growth | 97 | 2.7K | 21 | 33 |
| 465 | Industrial Policy | 32 | 2.7K | 34 | 5 |
| 466 | War and Society | 51 | 2.7K | 7 | 15 |
| 467 | health services accessibility | 100 | 2.7K | 29 | 39 |
| 468 | Nephrology | 90 | 2.7K | 39 | 62 |
| 468 | Political Sociology | 73 | 2.7K | 7 | 23 |
| 470 | Information Science | 102 | 2.6K | 163 | 256 |
| 471 | Medical Ethics | 248 | 2.6K | 10 | 33 |
| 472 | Neurotransmitters | 71 | 2.6K | 24 | 22 |
| 473 | Antigens | 73 | 2.6K | 31 | 38 |
| 474 | big data | 36 | 2.6K | 10 | 8 |
| 475 | Analytical Biochemistry | 68 | 2.6K | 115 | 121 |
| 476 | Sound | 44 | 2.6K | 139 | 69 |
| 477 | Neurosurgery | 54 | 2.5K | 78 | 81 |
| 478 | research and development | 18 | 2.5K | 31 | 11 |
| 479 | Developmental Neurobiology | 37 | 2.5K | 18 | 5 |
| 480 | Financial management | 48 | 2.5K | 14 | 20 |
| 481 | Public Administration | 84 | 2.5K | 114 | 116 |
| 482 | Tropical Medicine | 154 | 2.5K | 39 | 77 |
| 483 | Antibodies | 61 | 2.5K | 18 | 22 |
| 484 | Minority Health | 3 | 2.5K | 55 | 22 |
| 485 | Access to Information | 30 | 2.4K | 2 | 8 |
| 485 | Information dissemination | 30 | 2.4K | 2 | 8 |
| 487 | Regional Planning | 47 | 2.4K | 250 | 135 |
| 488 | government | 156 | 2.4K | 19 | 43 |
| 489 | Pharmacogenetics | 48 | 2.4K | 77 | 65 |
| 490 | Biometrics | 135 | 2.4K | 45 | 110 |
| 491 | Functional Analysis | 76 | 2.4K | 89 | 47 |
| 492 | drug control | 82 | 2.4K | 15 | 17 |
| 493 | Atmospheric Physics | 45 | 2.4K | 320 | 294 |
| 494 | Jurisprudence | 81 | 2.4K | 48 | 26 |
| 495 | Development | 51 | 2.4K | 58 | 77 |
| 496 | Genetic disorders | 35 | 2.4K | 62 | 19 |
| 497 | Geriatric Psychiatry | 66 | 2.4K | 53 | 50 |
| 498 | Industrial Microbiology | 26 | 2.4K | 473 | 225 |
| 499 | Hearing | 120 | 2.4K | 32 | 47 |
| 500 | Primary health care | 115 | 2.4K | 104 | 142 |
| 501 | Genetic translocation | 19 | 2.3K | 12 | 2 |
| 501 | plasmids | 19 | 2.3K | 12 | 2 |
| 501 | Microscopy | 61 | 2.3K | 96 | 80 |
| 504 | Marine Geology | 45 | 2.3K | 47 | 32 |
| 504 | Petroleum Geology | 45 | 2.3K | 46 | 31 |
| 506 | Engineering Mathematics | 59 | 2.3K | 214 | 117 |
| 507 | Otolaryngology | 89 | 2.3K | 33 | 38 |
| 508 | Culture | 212 | 2.3K | 3 | 28 |
| 509 | Industrial Organization | 26 | 2.3K | 17 | 2 |
| 510 | Fluid Dynamics | 61 | 2.3K | 115 | 94 |
| 511 | urban health | 116 | 2.3K | 3 | 13 |
| 512 | Physical organic chemistry | 61 | 2.3K | 108 | 62 |
| 513 | Petrology | 35 | 2.3K | 270 | 194 |
| 514 | Law | 123 | 2.3K | 47 | 33 |
| 514 | Radiotherapy | 94 | 2.3K | 12 | 4 |
| 516 | race relations | 58 | 2.3K | 24 | 16 |
| 517 | Patient education | 60 | 2.2K | 35 | 48 |
| 518 | Chemotherapy | 74 | 2.2K | 120 | 124 |
| 519 | International Relations | 79 | 2.2K | 87 | 66 |
| 520 | Respiration | 59 | 2.2K | 207 | 208 |
| 521 | Robotics | 77 | 2.2K | 147 | 189 |
| 522 | Control Theory | 82 | 2.2K | 192 | 196 |
| 523 | Criminal psychology | 51 | 2.2K | 95 | 82 |
| 524 | Family Therapy | 102 | 2.2K | 20 | 30 |
| 525 | Australia | 85 | 2.2K | 119 | 100 |
| 526 | crime | 70 | 2.2K | 37 | 50 |
| 527 | Socialization | 62 | 2.2K | 13 | 33 |
| 528 | Molecular Imaging | 15 | 2.2K | 206 | 77 |
| 529 | Welfare Economics | 56 | 2.2K | 14 | 27 |
| 530 | Bioenergetics | 73 | 2.2K | 47 | 85 |
| 530 | Energy metabolism | 73 | 2.2K | 42 | 72 |
| 530 | families | 83 | 2.2K | 44 | 44 |
| 533 | Immunochemistry | 56 | 2.2K | 42 | 33 |
| 534 | Bioethics | 160 | 2.2K | 17 | 29 |
| 535 | children | 22 | 2.1K | 83 | 26 |
| 536 | Marine Pollution | 39 | 2.1K | 160 | 116 |
| 537 | Export Marketing | 11 | 2.1K | 28 | 4 |
| 538 | Acoustics | 16 | 2.1K | 100 | 23 |
| 539 | Parasites | 46 | 2.1K | 199 | 115 |
| 540 | Molecular cloning | 46 | 2.1K | 146 | 110 |
| 540 | Genetic recombination | 46 | 2.1K | 138 | 108 |
| 542 | Energy Policy | 49 | 2.1K | 469 | 540 |
| 543 | Optical materials | 47 | 2.1K | 577 | 558 |
| 544 | Genes | 93 | 2.1K | 33 | 63 |
| 545 | Organizational change | 27 | 2.1K | 62 | 13 |
| 546 | Multimedia Systems | 69 | 2.1K | 132 | 104 |
| 547 | Speech acoustics | 10 | 2.1K | 69 | 22 |
| 548 | Early Childhood Education | 60 | 2.1K | 25 | 11 |
| 548 | calcification | 23 | 2.1K | 89 | 36 |
| 548 | cell membrane | 66 | 2.1K | 48 | 71 |
| 551 | Medical Technology | 49 | 2.1K | 142 | 105 |
| 551 | Information management | 27 | 2.1K | 4 | 1 |
| 553 | motivation | 41 | 2.1K | 9 | 17 |
| 554 | Machine Learning | 16 | 2.1K | 70 | 50 |
| 555 | Political Participation | 44 | 2.1K | 11 | 9 |
| 556 | Reproductive health | 38 | 2.1K | 77 | 30 |
| 557 | Group decision making | 81 | 2.1K | 3 | 16 |
| 558 | Building Materials | 22 | 2.0K | 627 | 360 |
| 559 | Sustainable Development | 37 | 2.0K | 262 | 245 |
| 560 | world | 41 | 2.0K | 70 | 93 |
| 561 | Digestive system diseases | 82 | 2.0K | 49 | 70 |
| 562 | Autism | 42 | 2.0K | 92 | 93 |
| 563 | Phylogeny | 30 | 2.0K | 134 | 99 |
| 564 | Economic Assistance | 41 | 2.0K | 58 | 83 |
| 565 | Radiation | 51 | 2.0K | 326 | 170 |
| 566 | Audiology | 65 | 2.0K | 82 | 91 |
| 567 | Photochemistry | 74 | 2.0K | 80 | 141 |
| 568 | Human-Computer Interaction | 65 | 2.0K | 73 | 111 |
| 569 | child mental health | 91 | 2.0K | 3 | 10 |
| 570 | Ethics | 78 | 2.0K | 31 | 28 |
| 571 | Biodiversity conservation | 14 | 2.0K | 659 | 529 |
| 572 | Electrophysiology | 132 | 2.0K | 25 | 57 |
| 572 | Auditing | 86 | 2.0K | 1 | 13 |
| 574 | Politics | 151 | 2.0K | 9 | 37 |
| 574 | Molecules | 72 | 2.0K | 196 | 199 |
| 576 | School Psychology | 67 | 2.0K | 37 | 46 |
| 576 | Biogeochemistry | 28 | 2.0K | 294 | 246 |
| 578 | Differential Equations | 73 | 2.0K | 54 | 52 |
| 579 | drugs | 74 | 2.0K | 208 | 237 |
| 580 | Climate change | 15 | 2.0K | 380 | 474 |
| 581 | Sports Medicine | 101 | 2.0K | 273 | 401 |
| 582 | Eutrophication | 13 | 2.0K | 408 | 474 |
| 583 | Parasitic Diseases | 38 | 1.9K | 348 | 232 |
| 584 | Risk | 28 | 1.9K | 63 | 46 |
| 585 | Thorax | 90 | 1.9K | 31 | 51 |
| 586 | women | 167 | 1.9K | 3 | 6 |
| 587 | Geriatric Oncology | 45 | 1.9K | 35 | 30 |
| 588 | Astrocytes | 29 | 1.9K | 41 | 57 |
| 589 | Money | 19 | 1.9K | 14 | 5 |
| 590 | election law | 42 | 1.9K | 8 | 9 |
| 591 | health planning | 67 | 1.9K | 192 | 166 |
| 592 | Elections | 41 | 1.9K | 26 | 11 |
| 593 | Solid State Chemistry | 60 | 1.8K | 453 | 336 |
| 594 | Voting | 35 | 1.8K | 15 | 9 |
| 595 | Women's health | 100 | 1.8K | 48 | 91 |
| 595 | Credit | 15 | 1.8K | 10 | 2 |
| 597 | infection | 37 | 1.8K | 319 | 268 |
| 598 | sexual behavior | 72 | 1.8K | 30 | 57 |
| 599 | Portfolio Management | 75 | 1.8K | 2 | 7 |
| 600 | Computational Chemistry | 38 | 1.8K | 40 | 96 |
| 601 | Brain damage | 33 | 1.8K | 26 | 14 |
| 602 | Organometallic compounds | 35 | 1.8K | 259 | 139 |
| 603 | Signal Transduction | 38 | 1.8K | 233 | 282 |
| 604 | Hospitals | 138 | 1.8K | 13 | 28 |
| 605 | Nuclear Fusion | 65 | 1.8K | 94 | 84 |
| 606 | Financial Institutions | 48 | 1.8K | 1 | 5 |
| 607 | data collection | 50 | 1.8K | 42 | 156 |
| 608 | healthcare disparities | 82 | 1.7K | 8 | 19 |
| 609 | Database Management | 88 | 1.7K | 46 | 115 |
| 609 | Asia | 108 | 1.7K | 140 | 172 |
| 611 | Investments | 71 | 1.7K | 11 | 7 |
| 612 | Environmental Chemistry | 29 | 1.7K | 444 | 484 |
| 613 | Inflammation | 22 | 1.7K | 249 | 144 |
| 613 | Emotion | 35 | 1.7K | 2 | 20 |
| 615 | Sexuality | 141 | 1.7K | 1 | 6 |
| 616 | blood transfusion | 62 | 1.7K | 58 | 52 |
| 617 | Probability | 70 | 1.7K | 19 | 53 |
| 618 | Informatics | 46 | 1.7K | 44 | 69 |
| 619 | Quality Control | 58 | 1.7K | 111 | 150 |
| 620 | Music | 111 | 1.7K | 18 | 35 |
| 621 | Biomechanics | 52 | 1.6K | 177 | 232 |
| 622 | geological modeling | 38 | 1.6K | 34 | 52 |
| 623 | urban population | 24 | 1.6K | 27 | 26 |
| 624 | Information Retrieval | 20 | 1.6K | 71 | 47 |
| 625 | Geochemical Modeling | 37 | 1.6K | 29 | 51 |
| 626 | Muscles | 44 | 1.6K | 85 | 119 |
| 627 | Morphology | 59 | 1.6K | 58 | 60 |
| 628 | preimplantation genetic diagnosis | 69 | 1.6K | 6 | 10 |
| 628 | embryo transfer | 69 | 1.6K | 8 | 14 |
| 628 | sex crimes | 37 | 1.6K | 65 | 50 |
| 631 | Psychosomatic Medicine | 62 | 1.6K | 57 | 120 |
| 632 | Strategic planning | 34 | 1.6K | 44 | 66 |
| 633 | Steroids | 58 | 1.6K | 83 | 94 |
| 634 | Heart Failure | 36 | 1.6K | 63 | 76 |
| 635 | mass transfer | 47 | 1.6K | 305 | 322 |
| 636 | Contraception | 55 | 1.5K | 50 | 50 |
| 637 | Consciousness | 41 | 1.5K | 17 | 23 |
| 638 | Roads | 77 | 1.5K | 79 | 70 |
| 639 | Magnetic Resonance Imaging | 54 | 1.5K | 28 | 42 |
| 640 | Geriatric Nursing | 97 | 1.5K | 3 | 1 |
| 641 | Food | 75 | 1.5K | 387 | 685 |
| 642 | Humanities | 71 | 1.5K | 41 | 45 |
| 643 | Computer Science | 52 | 1.5K | 202 | 129 |
| 644 | Long-Term Care | 61 | 1.5K | 25 | 76 |
| 644 | Public Choice | 45 | 1.5K | 11 | 22 |
| 646 | Long-term care facilities | 60 | 1.5K | 24 | 76 |
| 647 | cardiac catheterization | 82 | 1.5K | 39 | 45 |
| 648 | DNA repair | 32 | 1.5K | 19 | 21 |
| 649 | Leadership | 22 | 1.5K | 64 | 91 |
| 650 | harm reduction | 50 | 1.5K | 5 | 4 |
| 651 | RNA | 30 | 1.5K | 61 | 68 |
| 652 | Infections | 24 | 1.5K | 266 | 245 |
| 653 | Light | 62 | 1.5K | 61 | 318 |
| 654 | Histochemistry | 31 | 1.5K | 171 | 87 |
| 655 | Hippocampus | 21 | 1.5K | 41 | 42 |
| 655 | Sales management | 10 | 1.5K | 79 | 57 |
| 655 | selling | 10 | 1.5K | 79 | 57 |
| 658 | energy resources | 30 | 1.5K | 272 | 377 |
| 659 | Mechanical Engineering | 64 | 1.5K | 378 | 290 |
| 659 | Experimental Design | 49 | 1.5K | 17 | 43 |
| 661 | sustainability | 17 | 1.4K | 213 | 170 |
| 662 | Intelligence | 51 | 1.4K | 11 | 32 |
| 663 | tomography | 69 | 1.4K | 9 | 13 |
| 664 | Cultural diversity | 16 | 1.4K | 29 | 12 |
| 665 | Paleoecology | 33 | 1.4K | 231 | 198 |
| 666 | Pediatric Dermatology | 69 | 1.4K | 18 | 17 |
| 666 | Nutrition physiology | 30 | 1.4K | 83 | 85 |
| 666 | Quality of life | 44 | 1.4K | 160 | 234 |
| 669 | Fisheries | 58 | 1.4K | 212 | 265 |
| 670 | Neuromuscular diseases | 40 | 1.4K | 68 | 83 |
| 671 | Global Health | 73 | 1.4K | 54 | 75 |
| 672 | Plant Genetics | 12 | 1.4K | 265 | 160 |
| 673 | child behavior | 42 | 1.4K | 21 | 51 |
| 674 | occupational diseases | 52 | 1.4K | 62 | 109 |
| 675 | General Surgery | 104 | 1.4K | 41 | 68 |
| 676 | Computational Intelligence | 43 | 1.4K | 30 | 25 |
| 677 | Environmental pollutants | 38 | 1.4K | 394 | 424 |
| 678 | Educational Technology | 58 | 1.4K | 108 | 181 |
| 679 | Systems Engineering | 47 | 1.4K | 325 | 333 |
| 680 | Japan | 84 | 1.4K | 131 | 133 |
| 681 | Socioeconomic Factors | 42 | 1.3K | 57 | 65 |
| 682 | Dietetics | 63 | 1.3K | 45 | 65 |
| 683 | Calculus of Variations | 38 | 1.3K | 42 | 10 |
| 684 | Approximation Theory | 17 | 1.3K | 111 | 15 |
| 685 | internet | 49 | 1.3K | 181 | 283 |
| 686 | Computer-Aided Design | 37 | 1.3K | 184 | 159 |
| 687 | Performance | 20 | 1.3K | 43 | 26 |
| 688 | social science | 12 | 1.3K | 32 | 19 |
| 689 | voice | 59 | 1.3K | 18 | 22 |
| 690 | Autoimmune diseases | 37 | 1.3K | 52 | 71 |
| 691 | role | 42 | 1.3K | 15 | 49 |
| 692 | Autoimmunity | 37 | 1.3K | 96 | 151 |
| 693 | Sustainable Engineering | 32 | 1.3K | 324 | 348 |
| 694 | Algorithms | 22 | 1.3K | 114 | 22 |
| 695 | intergroup relations | 30 | 1.3K | 9 | 15 |
| 696 | Structural dynamics | 25 | 1.3K | 273 | 229 |
| 697 | Harmonic Analysis | 26 | 1.3K | 13 | 15 |
| 698 | Agriculture | 28 | 1.3K | 512 | 400 |
| 699 | Risk Management | 28 | 1.3K | 72 | 64 |
| 700 | Aggression | 29 | 1.3K | 48 | 62 |
| 700 | Psychiatric hospitals | 82 | 1.3K | 14 | 29 |
| 702 | Pharmacy | 30 | 1.3K | 534 | 393 |
| 703 | Clinical Trials | 84 | 1.3K | 23 | 58 |
| 704 | Amyloidosis | 21 | 1.3K | 16 | 10 |
| 705 | Molecular Pharmacology | 22 | 1.3K | 170 | 141 |
| 706 | Graph Theory | 34 | 1.3K | 106 | 35 |
| 707 | Drug discovery | 16 | 1.2K | 20 | 9 |
| 708 | Suicide | 25 | 1.2K | 77 | 52 |
| 709 | Random graphs | 40 | 1.2K | 11 | 11 |
| 710 | Paleoclimatology | 28 | 1.2K | 285 | 261 |
| 710 | primary prevention | 45 | 1.2K | 22 | 16 |
| 712 | Reading | 34 | 1.2K | 84 | 78 |
| 713 | Combinatorial chemistry | 35 | 1.2K | 96 | 155 |
| 714 | Input-output analysis | 36 | 1.2K | 4 | 12 |
| 714 | Biomolecules | 10 | 1.2K | 134 | 68 |
| 716 | DNA | 59 | 1.2K | 5 | 17 |
| 717 | Social welfare | 62 | 1.2K | 34 | 44 |
| 718 | Rheology | 34 | 1.2K | 81 | 72 |
| 719 | Parkinson's disease | 11 | 1.2K | 60 | 10 |
| 720 | ethnicity | 63 | 1.2K | 17 | 18 |
| 721 | Bones | 29 | 1.2K | 139 | 192 |
| 722 | concrete | 17 | 1.2K | 319 | 283 |
| 723 | Structure-activity relationship | 9 | 1.2K | 54 | 45 |
| 724 | Capital asset pricing model | 10 | 1.2K | 5 | 1 |
| 725 | pollutants | 31 | 1.2K | 373 | 392 |
| 726 | Multicultural Education | 12 | 1.2K | 105 | 14 |
| 727 | Paleogeography | 26 | 1.2K | 245 | 212 |
| 728 | Animal ecology | 27 | 1.2K | 319 | 274 |
| 729 | Phonetics | 44 | 1.2K | 17 | 31 |
| 730 | Smart Materials | 27 | 1.2K | 157 | 125 |
| 731 | Marine Meteorology | 32 | 1.2K | 70 | 82 |
| 731 | disease outbreaks | 35 | 1.2K | 50 | 79 |
| 733 | cross-cultural comparison | 23 | 1.2K | 54 | 18 |
| 734 | Forecasting | 25 | 1.2K | 50 | 54 |
| 734 | North America | 109 | 1.2K | 26 | 62 |
| 736 | Agricultural Ecology | 14 | 1.2K | 353 | 259 |
| 737 | Malaria | 34 | 1.1K | 85 | 89 |
| 738 | Parenteral nutrition | 21 | 1.1K | 268 | 243 |
| 738 | Screening | 23 | 1.1K | 8 | 4 |
| 740 | Elderly | 347 | 1.1K | 20 | 82 |
| 741 | cloning | 22 | 1.1K | 111 | 167 |
| 742 | Hemodynamics | 35 | 1.1K | 100 | 190 |
| 742 | Bioinorganic chemistry | 35 | 1.1K | 319 | 254 |
| 744 | Virtual reality | 32 | 1.1K | 20 | 27 |
| 745 | Quantitative Research | 39 | 1.1K | 15 | 34 |
| 746 | Hearing Aids | 20 | 1.1K | 40 | 12 |
| 747 | Development Economics | 25 | 1.1K | 33 | 36 |
| 748 | Randomized Controlled Trials | 63 | 1.1K | 83 | 84 |
| 749 | Palliative Care | 54 | 1.1K | 69 | 91 |
| 750 | Intelligent Transportation Systems | 49 | 1.1K | 117 | 243 |
| 751 | Population | 40 | 1.1K | 93 | 136 |
| 752 | Urban Policy | 31 | 1.1K | 98 | 104 |
| 752 | Technology | 69 | 1.1K | 636 | 887 |
| 752 | Business Ethics | 27 | 1.1K | 145 | 335 |
| 752 | Epidemics | 26 | 1.1K | 69 | 82 |
| 756 | multimedia | 29 | 1.1K | 87 | 92 |
| 756 | Interactive multimedia | 29 | 1.1K | 92 | 92 |
| 758 | Stochastic Processes | 37 | 1.1K | 76 | 42 |
| 759 | Plant Ecology | 21 | 1.1K | 614 | 545 |
| 760 | Knowledge | 44 | 1.1K | 47 | 34 |
| 760 | Psychiatric Epidemiology | 29 | 1.1K | 54 | 76 |
| 762 | Autoantibodies | 30 | 1.1K | 60 | 77 |
| 763 | mental processes | 37 | 1.1K | 22 | 27 |
| 764 | Aerosols | 27 | 1.1K | 107 | 88 |
| 765 | Genetic Toxicology | 26 | 1.1K | 29 | 53 |
| 766 | consumers | 13 | 1.1K | 75 | 31 |
| 767 | Antioxidants | 19 | 1.1K | 161 | 203 |
| 767 | Sexual health | 62 | 1.1K | 52 | 95 |
| 769 | Learning disabilities | 48 | 1.1K | 105 | 144 |
| 770 | Social policy | 63 | 1.1K | 58 | 105 |
| 771 | Europa | 27 | 1.1K | 69 | 56 |
| 772 | Industrial Engineering | 35 | 1.1K | 386 | 382 |
| 773 | Nanoparticles | 27 | 1.1K | 476 | 460 |
| 774 | International security | 22 | 1.1K | 26 | 51 |
| 774 | Meteorites | 17 | 1.1K | 393 | 373 |
| 776 | Hydrology | 28 | 1.0K | 683 | 611 |
| 777 | income | 26 | 1.0K | 5 | 8 |
| 777 | Wealth | 26 | 1.0K | 5 | 8 |
| 777 | Catalysts | 27 | 1.0K | 79 | 64 |
| 780 | International Business | 20 | 1.0K | 3 | 1 |
| 781 | Information Systems | 71 | 1.0K | 55 | 189 |
| 782 | Social History | 53 | 1.0K | 15 | 15 |
| 783 | Zoology | 38 | 1.0K | 648 | 537 |
| 784 | Theater | 130 | 1.0K | 1 | 1 |
| 785 | Menopause | 36 | 1.0K | 24 | 28 |
| 786 | Orthopedic Surgery | 48 | 1.0K | 69 | 100 |
| 787 | Sports | 42 | 1.0K | 471 | 498 |
| 788 | Mechatronics | 18 | 1.0K | 233 | 139 |
| 789 | Social Change | 36 | 1.0K | 76 | 264 |
| 790 | Enteral nutrition | 13 | 997 | 291 | 214 |
| 791 | Synaptic Transmission | 26 | 994 | 66 | 64 |
| 792 | Lymphoma | 63 | 988 | 8 | 9 |
| 793 | Logistics | 22 | 986 | 84 | 94 |
| 794 | school psychologists | 35 | 985 | 23 | 48 |
| 795 | Industrial Ecology | 4 | 983 | 130 | 36 |
| 796 | Process Control | 22 | 978 | 209 | 310 |
| 797 | Nonprofit organizations | 26 | 977 | 22 | 27 |
| 797 | Quantum theory | 46 | 977 | 124 | 166 |
| 797 | collagen | 14 | 977 | 54 | 59 |
| 800 | Drug design | 41 | 976 | 162 | 296 |
| 801 | Endocrine glands | 12 | 975 | 58 | 72 |
| 801 | Africa | 44 | 975 | 179 | 124 |
| 803 | Logic | 24 | 973 | 78 | 18 |
| 804 | Coral reef biology | 15 | 968 | 87 | 60 |
| 805 | economic forecasting | 20 | 964 | 31 | 47 |
| 806 | Multiple Myeloma | 62 | 962 | 7 | 8 |
| 807 | psychophysics | 43 | 951 | 12 | 18 |
| 808 | Cross-Cultural Studies | 25 | 942 | 73 | 61 |
| 809 | rare diseases | 27 | 939 | 96 | 105 |
| 809 | Oxidation-reduction | 13 | 939 | 282 | 306 |
| 811 | Extracellular matrix | 12 | 931 | 60 | 58 |
| 812 | Solar System | 52 | 930 | 128 | 220 |
| 813 | psychoanalytic therapy | 95 | 927 | 1 | 1 |
| 814 | Mortgages | 16 | 926 | 46 | 18 |
| 815 | Labor Economics | 34 | 925 | 33 | 75 |
| 816 | Music Therapy | 67 | 918 | 3 | 6 |
| 817 | Lung Transplantation | 37 | 906 | 64 | 103 |
| 817 | Heart transplantation | 37 | 906 | 64 | 103 |
| 819 | Trace elements | 11 | 903 | 58 | 10 |
| 820 | Hemostasis | 41 | 899 | 70 | 96 |
| 821 | Cognitive Therapy | 41 | 895 | 49 | 103 |
| 822 | Databases | 44 | 891 | 54 | 93 |
| 823 | atmospheric models | 13 | 883 | 281 | 211 |
| 824 | Pediatric Nursing | 43 | 880 | 28 | 40 |
| 824 | Eating Disorders | 35 | 880 | 143 | 203 |
| 826 | Telecommunication Systems | 43 | 876 | 199 | 216 |
| 827 | Atmospheric Chemistry | 10 | 871 | 461 | 386 |
| 827 | corrections | 18 | 871 | 22 | 6 |
| 827 | punishment | 17 | 871 | 6 | 3 |
| 830 | Bacteria | 10 | 869 | 110 | 85 |
| 831 | Intellectual disability | 35 | 867 | 147 | 181 |
| 832 | Open Access Publishing | 32 | 864 | 1 | 3 |
| 832 | Electrochemical Analysis | 60 | 864 | 167 | 353 |
| 834 | Neuroimmunology | 26 | 863 | 120 | 201 |
| 835 | Personality Assessment | 39 | 861 | 60 | 156 |
| 836 | Internet of Things | 22 | 860 | 303 | 314 |
| 837 | Psychoneuroimmunology | 24 | 856 | 105 | 186 |
| 837 | feeding behavior | 32 | 856 | 120 | 187 |
| 837 | conflict management | 25 | 856 | 21 | 44 |
| 840 | Power Electronics | 19 | 853 | 380 | 364 |
| 841 | Pancreatic diseases | 13 | 849 | 105 | 39 |
| 842 | Lipid metabolism | 12 | 848 | 108 | 84 |
| 842 | Lipid | 12 | 848 | 110 | 84 |
| 844 | Applied Linguistics | 37 | 847 | 52 | 63 |
| 845 | complementary therapies | 63 | 846 | 102 | 243 |
| 846 | Hematopoietic stem cell transplantation | 7 | 844 | 198 | 62 |
| 847 | Gender identity | 115 | 842 | 1 | 2 |
| 848 | Biological Systems | 24 | 841 | 47 | 55 |
| 849 | Laser therapy | 30 | 840 | 43 | 20 |
| 850 | Organometallic chemistry | 25 | 838 | 618 | 339 |
| 851 | nuclear magnetic resonance spectroscopy | 27 | 833 | 132 | 114 |
| 852 | Forensic Psychiatry | 24 | 823 | 113 | 71 |
| 852 | Feeding and Eating Disorders | 32 | 823 | 146 | 201 |
| 854 | Systems Analysis | 22 | 817 | 250 | 129 |
| 855 | drug evaluation | 20 | 809 | 329 | 223 |
| 856 | vibration | 13 | 808 | 500 | 284 |
| 857 | Obstetric Nursing | 35 | 806 | 24 | 26 |
| 857 | hospice care | 37 | 806 | 23 | 29 |
| 859 | pain management | 21 | 805 | 122 | 96 |
| 859 | social conflict | 23 | 805 | 7 | 4 |
| 861 | Gastrointestinal diseases | 15 | 803 | 137 | 51 |
| 862 | Behavioral research | 30 | 802 | 17 | 27 |
| 863 | Paleontology | 46 | 801 | 252 | 302 |
| 864 | Special Education | 48 | 796 | 100 | 137 |
| 865 | Cement | 8 | 786 | 316 | 244 |
| 866 | DNS | 38 | 782 | 13 | 48 |
| 867 | Biosensors | 23 | 776 | 330 | 539 |
| 867 | ethnic groups | 33 | 776 | 14 | 28 |
| 869 | Occupational Health | 66 | 773 | 69 | 186 |
| 870 | Vocational Education | 62 | 769 | 17 | 66 |
| 871 | planning | 36 | 761 | 52 | 78 |
| 872 | Juvenile delinquency | 49 | 756 | 18 | 45 |
| 873 | Dynamics | 45 | 754 | 202 | 242 |
| 874 | Liposomes | 32 | 753 | 42 | 134 |
| 875 | Natural resources | 14 | 750 | 265 | 206 |
| 876 | Professional ethics | 10 | 748 | 59 | 11 |
| 876 | Appetite | 26 | 748 | 107 | 173 |
| 878 | Neuroanatomy | 13 | 746 | 25 | 17 |
| 879 | impact | 11 | 745 | 116 | 81 |
| 880 | Computer Engineering | 30 | 741 | 85 | 76 |
| 880 | Melanoma | 20 | 741 | 11 | 24 |
| 882 | Nuclear Energy | 45 | 738 | 157 | 164 |
| 883 | migration policy | 23 | 732 | 15 | 42 |
| 884 | working class | 33 | 727 | 10 | 55 |
| 885 | Birth control | 30 | 725 | 55 | 83 |
| 886 | immigration | 19 | 721 | 17 | 44 |
| 886 | Asylum seeker | 19 | 721 | 16 | 44 |
| 888 | Carbon | 17 | 720 | 446 | 583 |
| 889 | Forensic Psychology | 26 | 719 | 48 | 41 |
| 890 | Evidence-Based Medicine | 39 | 716 | 54 | 96 |
| 891 | Popular culture | 51 | 714 | 13 | 18 |
| 892 | poverty | 17 | 711 | 49 | 35 |
| 893 | Entomology | 27 | 710 | 681 | 525 |
| 894 | International Law | 63 | 708 | 11 | 7 |
| 894 | Remote Sensing | 37 | 708 | 227 | 237 |
| 896 | Libertarianism | 14 | 707 | 5 | 2 |
| 897 | Energy Conversion | 11 | 706 | 596 | 633 |
| 898 | Middle East | 60 | 704 | 47 | 86 |
| 899 | Counseling Psychology | 16 | 700 | 65 | 56 |
| 900 | cell interaction | 30 | 698 | 162 | 328 |
| 901 | Ore deposits | 14 | 693 | 187 | 143 |
| 902 | locomotion | 13 | 691 | 209 | 143 |
| 902 | posture | 13 | 691 | 209 | 143 |
| 902 | gait | 13 | 691 | 209 | 143 |
| 902 | walking | 13 | 691 | 209 | 143 |
| 906 | Economic Theory | 26 | 690 | 5 | 12 |
| 906 | Detectors | 17 | 690 | 534 | 342 |
| 908 | Communication in medicine | 31 | 687 | 86 | 110 |
| 909 | Cognitive Behavioral Therapy | 23 | 686 | 14 | 21 |
| 910 | Clinical Pharmacology | 42 | 685 | 185 | 337 |
| 910 | Neuropharmacology | 27 | 685 | 65 | 121 |
| 912 | Art Therapy | 55 | 684 | 3 | 9 |
| 913 | Reproductive toxicology | 12 | 681 | 106 | 80 |
| 914 | food technology | 21 | 680 | 906 | 937 |
| 915 | Structural design | 17 | 678 | 224 | 174 |
| 916 | Futures | 21 | 677 | 27 | 20 |
| 917 | labor | 26 | 673 | 29 | 57 |
| 918 | Asthma | 32 | 668 | 54 | 87 |
| 918 | Insects | 14 | 668 | 576 | 344 |
| 920 | Engineering Geology | 24 | 667 | 405 | 454 |
| 921 | Behavioral Genetics | 12 | 665 | 83 | 64 |
| 922 | police | 4 | 664 | 328 | 34 |
| 923 | educational innovations | 29 | 660 | 47 | 90 |
| 924 | China | 85 | 656 | 297 | 706 |
| 925 | venom | 25 | 655 | 99 | 127 |
| 925 | Toxins | 25 | 655 | 113 | 144 |
| 927 | Cardiac electrophysiology | 26 | 654 | 35 | 57 |
| 927 | arrhythmia | 26 | 654 | 35 | 57 |
| 929 | Uncertainty | 5 | 651 | 107 | 35 |
| 930 | Medical Imaging | 32 | 650 | 41 | 56 |
| 930 | health and race | 22 | 650 | 11 | 9 |
| 932 | Soil Mechanics | 26 | 645 | 320 | 388 |
| 933 | global environmental change | 15 | 643 | 245 | 311 |
| 933 | aerosol | 15 | 643 | 113 | 80 |
| 935 | terrorism | 25 | 640 | 24 | 19 |
| 936 | humanistic psychology | 10 | 638 | 12 | 2 |
| 937 | Sites | 17 | 637 | 164 | 179 |
| 938 | Photonics | 22 | 634 | 698 | 783 |
| 938 | Matroids | 8 | 634 | 126 | 32 |
| 940 | Nuclear Chemistry | 17 | 630 | 375 | 169 |
| 941 | Arts | 38 | 628 | 9 | 4 |
| 942 | Government policy | 16 | 627 | 24 | 36 |
| 943 | biochemical markers | 18 | 625 | 91 | 51 |
| 944 | lasers | 28 | 624 | 614 | 551 |
| 945 | Bipolar Disorder | 13 | 623 | 112 | 116 |
| 945 | Recycling | 6 | 623 | 356 | 274 |
| 947 | Ultrasonics | 24 | 620 | 287 | 399 |
| 947 | Organizations | 13 | 620 | 9 | 13 |
| 949 | Random matrices | 1 | 618 | 2 | 1 |
| 950 | Dance therapy | 49 | 614 | 5 | 7 |
| 951 | Geographic information systems | 30 | 611 | 143 | 148 |
| 952 | Corporate governance | 22 | 609 | 36 | 100 |
| 953 | Foraminifera | 3 | 607 | 84 | 6 |
| 953 | Carbohydrates | 11 | 607 | 146 | 114 |
| 955 | Social Choice Theory | 24 | 605 | 18 | 17 |
| 956 | software | 19 | 604 | 232 | 305 |
| 956 | Multiple sclerosis | 36 | 604 | 44 | 56 |
| 958 | Teratology | 12 | 603 | 84 | 62 |
| 958 | association | 12 | 603 | 11 | 13 |
| 960 | Tourism | 16 | 602 | 602 | 695 |
| 961 | Crystallography | 66 | 600 | 200 | 289 |
| 961 | Ultrasound | 22 | 600 | 186 | 189 |
| 963 | civilization | 136 | 598 | 18 | 25 |
| 964 | Quantum electronics | 29 | 595 | 421 | 417 |
| 965 | Emergency Medical Services | 23 | 593 | 105 | 84 |
| 966 | Neuroimaging | 26 | 592 | 35 | 50 |
| 967 | Sociolinguistics | 16 | 589 | 106 | 76 |
| 968 | Cognitive Psychology | 26 | 585 | 28 | 43 |
| 968 | Literacy | 20 | 585 | 49 | 30 |
| 970 | family violence | 23 | 583 | 64 | 115 |
| 970 | educational planning | 20 | 583 | 54 | 91 |
| 972 | Philosophy of Mind | 16 | 580 | 39 | 30 |
| 973 | Photobiology | 13 | 579 | 518 | 362 |
| 974 | Eastern Europe | 45 | 578 | 40 | 44 |
| 975 | Mass Spectrometry | 20 | 577 | 373 | 365 |
| 976 | Plasma chemistry | 5 | 576 | 273 | 59 |
| 977 | Bioelectronics | 16 | 575 | 362 | 586 |
| 978 | Marriage | 34 | 568 | 59 | 112 |
| 979 | Ergonomics | 33 | 567 | 203 | 251 |
| 979 | Law enforcement | 1 | 567 | 181 | 11 |
| 981 | Art | 189 | 562 | 1 | 3 |
| 982 | deviant behavior | 11 | 561 | 106 | 34 |
| 983 | Entropy | 30 | 557 | 115 | 128 |
| 984 | Atherosclerosis | 21 | 556 | 12 | 25 |
| 984 | Video Games | 4 | 556 | 25 | 1 |
| 986 | magnetic resonance | 18 | 553 | 100 | 45 |
| 987 | Emerging infectious diseases | 9 | 552 | 99 | 52 |
| 987 | Electrocardiography | 52 | 552 | 13 | 33 |
| 989 | Developed countries | 28 | 540 | 13 | 61 |
| 990 | Andrology | 22 | 539 | 106 | 137 |
| 991 | Engineering Ethics | 7 | 536 | 61 | 20 |
| 992 | glycoproteins | 11 | 532 | 154 | 145 |
| 992 | Glycoconjugates | 11 | 532 | 154 | 145 |
| 992 | glycolipids | 11 | 532 | 154 | 145 |
| 995 | Biogeography | 5 | 530 | 725 | 545 |
| 996 | Visual Anthropology | 40 | 529 | 2 | 1 |
| 997 | Mobile Computing | 20 | 526 | 297 | 319 |
| 997 | Energy Storage | 12 | 526 | 556 | 479 |
| 997 | Human Rights | 37 | 526 | 47 | 86 |
| 997 | health workforce | 9 | 526 | 55 | 45 |