| 1 | Science | 4,179 | 549.4K | 40 | 32 |
| 2 | Biology | 4,288 | 476.7K | 37 | 35 |
| 3 | Medicine | 5,781 | 437.7K | 15 | 20 |
| 4 | Physics | 2,364 | 382.9K | 166 | 61 |
| 5 | Cytology | 1,814 | 288.4K | 20 | 17 |
| 6 | Chemistry | 2,817 | 287.0K | 101 | 46 |
| 7 | Cell Biology | 1,480 | 266.3K | 21 | 19 |
| 8 | Biochemistry | 4,462 | 264.0K | 33 | 27 |
| 9 | Molecular Biology | 2,936 | 261.8K | 31 | 26 |
| 10 | Natural history | 623 | 261.2K | 67 | 35 |
| 11 | Virology | 1,165 | 196.1K | 17 | 20 |
| 12 | Human genetics | 642 | 183.0K | 22 | 15 |
| 13 | Public Health | 2,969 | 169.5K | 6 | 6 |
| 14 | Microbiology | 1,847 | 159.6K | 34 | 25 |
| 15 | Research | 3,328 | 159.1K | 18 | 17 |
| 16 | Neurology | 2,107 | 150.7K | 60 | 56 |
| 17 | United States | 3,533 | 130.9K | 11 | 13 |
| 18 | Genetics | 1,305 | 123.5K | 25 | 27 |
| 19 | Solid State Physics | 286 | 115.9K | 393 | 20 |
| 20 | Condensed Matter | 271 | 115.6K | 373 | 21 |
| 21 | Epidemiology | 1,883 | 107.3K | 5 | 7 |
| 22 | Psychiatry | 1,371 | 100.3K | 32 | 26 |
| 23 | Pharmacology | 1,767 | 99.9K | 8 | 4 |
| 24 | Child Development | 1,014 | 95.3K | 2 | 1 |
| 25 | Ecology | 990 | 91.6K | 110 | 77 |
| 26 | Psychology | 1,445 | 88.9K | 28 | 25 |
| 27 | Environmental Health | 1,353 | 84.3K | 16 | 20 |
| 28 | Pediatrics | 1,370 | 82.7K | 19 | 15 |
| 29 | Immunology | 811 | 80.0K | 46 | 27 |
| 30 | Medical genetics | 866 | 71.6K | 25 | 28 |
| 31 | Surgery | 409 | 68.0K | 31 | 34 |
| 32 | viruses | 679 | 65.8K | 4 | 2 |
| 33 | Nutrition | 957 | 65.1K | 12 | 6 |
| 34 | Endocrinology | 783 | 64.0K | 52 | 37 |
| 35 | Statistics | 1,231 | 63.9K | 4 | 12 |
| 36 | Toxicology | 1,181 | 61.6K | 12 | 2 |
| 37 | Environment | 828 | 60.4K | 47 | 55 |
| 38 | Immunity | 369 | 59.9K | 32 | 30 |
| 39 | Neurophysiology | 693 | 57.8K | 46 | 40 |
| 40 | Behavior | 945 | 57.3K | 18 | 18 |
| 41 | Biophysics | 1,259 | 57.2K | 55 | 43 |
| 42 | Sociology | 785 | 56.8K | 9 | 6 |
| 43 | Child psychology | 603 | 55.1K | 14 | 7 |
| 44 | Psychophysiology | 847 | 54.8K | 28 | 29 |
| 45 | Cancer | 790 | 54.1K | 38 | 32 |
| 46 | Hematology | 1,153 | 52.1K | 24 | 43 |
| 47 | Obstetrics | 1,221 | 51.8K | 7 | 9 |
| 48 | Child | 919 | 50.7K | 6 | 1 |
| 49 | Health | 578 | 49.0K | 6 | 2 |
| 50 | Computer Vision | 171 | 48.6K | 16 | 6 |
| 51 | Nanotechnology | 495 | 48.6K | 200 | 118 |
| 52 | Pharmaceutical Chemistry | 835 | 48.4K | 13 | 7 |
| 53 | Physiology | 782 | 46.7K | 76 | 54 |
| 54 | Mental Disorders | 698 | 46.3K | 29 | 29 |
| 55 | Developmental Biology | 441 | 45.6K | 44 | 34 |
| 56 | Diet | 498 | 45.3K | 13 | 5 |
| 57 | Biotechnology | 394 | 44.4K | 218 | 88 |
| 58 | Growth | 302 | 44.0K | 26 | 15 |
| 59 | Social Psychology | 525 | 42.7K | 31 | 34 |
| 60 | Developmental Disabilities | 367 | 40.7K | 2 | 1 |
| 61 | preventive medicine | 575 | 39.1K | 3 | 2 |
| 62 | Health promotion | 709 | 38.8K | 2 | 1 |
| 63 | Sports Medicine | 852 | 37.2K | 2 | 6 |
| 64 | Obesity | 594 | 37.1K | 9 | 4 |
| 65 | Bioengineering | 276 | 36.9K | 182 | 77 |
| 66 | management | 354 | 35.4K | 66 | 56 |
| 67 | cell physiology | 395 | 35.4K | 9 | 6 |
| 68 | Cell differentiation | 310 | 34.7K | 34 | 24 |
| 69 | Pollution | 475 | 34.6K | 161 | 134 |
| 70 | Nursing | 336 | 34.4K | 7 | 1 |
| 71 | Nuclear Physics | 878 | 33.5K | 262 | 255 |
| 72 | Economics | 457 | 32.6K | 132 | 55 |
| 73 | Biomedical Engineering | 473 | 32.2K | 119 | 43 |
| 74 | Environmental Engineering | 398 | 32.2K | 76 | 55 |
| 75 | Metabolism | 425 | 31.3K | 76 | 78 |
| 76 | Cardiovascular system | 337 | 31.2K | 53 | 57 |
| 77 | Environmental Toxicology | 357 | 30.7K | 6 | 5 |
| 78 | human behavior | 387 | 30.5K | 44 | 39 |
| 79 | drug therapy | 723 | 30.5K | 4 | 8 |
| 80 | Brain | 580 | 30.0K | 35 | 40 |
| 81 | Psychopharmacology | 416 | 29.6K | 16 | 18 |
| 82 | Metabolic diseases | 305 | 29.0K | 88 | 66 |
| 83 | Clinical Chemistry | 605 | 28.9K | 9 | 12 |
| 84 | Oncology | 397 | 28.8K | 24 | 33 |
| 85 | Microbial Ecology | 275 | 28.5K | 53 | 45 |
| 86 | Botany | 421 | 28.4K | 173 | 119 |
| 87 | Geriatrics | 908 | 28.3K | 19 | 31 |
| 88 | Neurons | 110 | 28.3K | 39 | 39 |
| 89 | Host-parasite interactions | 228 | 28.2K | 13 | 7 |
| 90 | Polymers | 451 | 27.6K | 220 | 109 |
| 91 | Mental illness | 416 | 27.3K | 28 | 26 |
| 92 | Therapeutics | 424 | 26.8K | 11 | 10 |
| 93 | Astrophysics | 463 | 26.8K | 292 | 343 |
| 94 | Materials | 337 | 26.8K | 506 | 274 |
| 95 | Computer Graphics | 361 | 26.6K | 16 | 10 |
| 96 | Cytogenetics | 222 | 26.6K | 31 | 30 |
| 97 | Analytical Chemistry | 469 | 26.5K | 110 | 60 |
| 98 | Neurochemistry | 451 | 26.2K | 30 | 27 |
| 99 | Education | 581 | 26.2K | 56 | 26 |
| 100 | Hypertension | 299 | 26.0K | 62 | 60 |
| 101 | Health Education | 659 | 25.5K | 3 | 3 |
| 102 | Schizophrenia | 297 | 25.3K | 13 | 8 |
| 103 | Adolescent | 726 | 25.2K | 5 | 5 |
| 104 | Health Services Research | 339 | 24.9K | 19 | 6 |
| 105 | finance | 174 | 24.8K | 76 | 25 |
| 106 | nucleic acids | 297 | 24.7K | 22 | 53 |
| 107 | Diabetes | 286 | 24.6K | 56 | 40 |
| 108 | sanitation | 246 | 24.5K | 47 | 39 |
| 109 | Diabetes mellitus | 264 | 24.2K | 47 | 36 |
| 110 | Liver diseases | 265 | 24.0K | 27 | 34 |
| 111 | Computational Biology | 283 | 23.7K | 50 | 45 |
| 112 | Embryology | 258 | 23.6K | 47 | 35 |
| 113 | Medical Oncology | 513 | 23.6K | 15 | 19 |
| 114 | Critical Care | 241 | 23.1K | 47 | 33 |
| 115 | Critical Care Medicine | 237 | 23.1K | 51 | 33 |
| 116 | Spectrum analysis | 454 | 23.0K | 223 | 268 |
| 117 | Water | 318 | 22.9K | 45 | 37 |
| 118 | Biocompatible Materials | 403 | 22.7K | 138 | 138 |
| 119 | polymerization | 354 | 22.7K | 213 | 85 |
| 120 | Medical Anthropology | 368 | 22.1K | 9 | 10 |
| 121 | Astronomy | 494 | 22.0K | 243 | 298 |
| 122 | Biochemical Engineering | 81 | 21.8K | 510 | 132 |
| 123 | Anatomy | 254 | 21.8K | 52 | 36 |
| 124 | genome | 201 | 21.6K | 26 | 38 |
| 125 | Health Policy | 511 | 21.3K | 18 | 16 |
| 126 | arthritis | 264 | 21.2K | 23 | 17 |
| 127 | Oncogenes | 164 | 21.0K | 25 | 9 |
| 128 | Sports | 426 | 20.9K | 11 | 9 |
| 129 | Allergy | 230 | 20.8K | 24 | 44 |
| 130 | health behavior | 604 | 20.6K | 4 | 7 |
| 131 | Bioinformatics | 210 | 20.4K | 54 | 39 |
| 132 | Plant cells | 122 | 20.1K | 87 | 58 |
| 133 | Genetic regulation | 134 | 20.1K | 29 | 24 |
| 134 | Virulence | 197 | 19.8K | 13 | 8 |
| 135 | Medical innovations | 156 | 19.7K | 16 | 12 |
| 136 | Medical Microbiology | 264 | 19.3K | 56 | 39 |
| 137 | marketing | 140 | 19.2K | 66 | 42 |
| 138 | Developmental Genetics | 121 | 19.1K | 26 | 24 |
| 139 | Chronic diseases | 174 | 19.1K | 14 | 26 |
| 140 | Econometrics | 114 | 18.9K | 71 | 25 |
| 141 | behavioral medicine | 327 | 18.7K | 4 | 10 |
| 142 | Business | 147 | 18.5K | 58 | 37 |
| 143 | personality | 203 | 18.3K | 51 | 37 |
| 144 | Clinical Psychology | 230 | 18.3K | 24 | 19 |
| 145 | Gene expression regulation | 151 | 18.2K | 20 | 26 |
| 146 | Organic Chemistry | 427 | 18.1K | 30 | 34 |
| 147 | Materials Science | 383 | 17.8K | 220 | 220 |
| 148 | Social Sciences | 531 | 17.7K | 31 | 31 |
| 149 | Molecular structure | 174 | 17.7K | 54 | 25 |
| 150 | Thrombosis | 319 | 17.7K | 7 | 11 |
| 151 | Political Science | 307 | 17.5K | 31 | 18 |
| 152 | Production Management | 177 | 17.4K | 12 | 7 |
| 153 | Evolution | 178 | 17.3K | 97 | 76 |
| 154 | Neurobiology | 257 | 17.0K | 49 | 60 |
| 155 | child abuse | 253 | 17.0K | 1 | 2 |
| 156 | Biometrics | 530 | 16.8K | 2 | 13 |
| 157 | nanoscience | 154 | 16.8K | 210 | 113 |
| 158 | biological evolution | 165 | 16.7K | 128 | 105 |
| 159 | Transplantation | 179 | 16.6K | 55 | 27 |
| 160 | Immune system | 60 | 16.4K | 94 | 55 |
| 161 | Women's health | 528 | 16.2K | 3 | 2 |
| 162 | gene therapy | 200 | 16.1K | 11 | 4 |
| 163 | Nutrition physiology | 95 | 16.1K | 11 | 1 |
| 164 | Pharmacy | 476 | 16.1K | 16 | 15 |
| 165 | Genomics | 358 | 16.0K | 52 | 55 |
| 166 | Bioorganic chemistry | 391 | 16.0K | 19 | 26 |
| 167 | proteins | 259 | 16.0K | 29 | 19 |
| 168 | Animal Behavior | 208 | 15.8K | 115 | 61 |
| 169 | Radiobiology | 321 | 15.8K | 24 | 26 |
| 170 | drug development | 146 | 15.5K | 17 | 15 |
| 171 | viral genetics | 72 | 15.5K | 25 | 23 |
| 172 | Image Processing | 168 | 15.5K | 107 | 54 |
| 173 | Carbon | 16 | 15.5K | 479 | 8 |
| 174 | Operations Research | 242 | 15.4K | 49 | 23 |
| 175 | gene mapping | 169 | 15.4K | 60 | 36 |
| 176 | Eating Disorders | 335 | 15.4K | 6 | 8 |
| 177 | rehabilitation | 270 | 15.3K | 48 | 30 |
| 178 | Cognition | 278 | 15.2K | 49 | 52 |
| 179 | Hydrology | 243 | 15.1K | 73 | 48 |
| 180 | Genetic therapy | 203 | 15.0K | 12 | 6 |
| 181 | Communication | 322 | 14.8K | 29 | 24 |
| 182 | Feeding and Eating Disorders | 317 | 14.8K | 5 | 8 |
| 183 | Oceanography | 213 | 14.7K | 94 | 64 |
| 184 | Plants | 110 | 14.7K | 160 | 70 |
| 185 | adolescence | 255 | 14.6K | 7 | 4 |
| 186 | Geophysics | 278 | 14.5K | 294 | 243 |
| 187 | pain | 239 | 14.4K | 32 | 43 |
| 188 | Developmental Psychology | 260 | 14.4K | 11 | 21 |
| 189 | Economic History | 263 | 14.3K | 84 | 26 |
| 190 | Neuropsychology | 314 | 14.3K | 46 | 47 |
| 191 | Medical Physics | 363 | 14.3K | 37 | 36 |
| 192 | vascular diseases | 200 | 14.2K | 11 | 10 |
| 193 | Urology | 425 | 14.1K | 41 | 47 |
| 194 | Pathology | 226 | 14.1K | 102 | 78 |
| 195 | Aging | 526 | 14.0K | 33 | 78 |
| 196 | Surface Chemistry | 281 | 13.9K | 187 | 133 |
| 197 | Memory | 382 | 13.6K | 37 | 50 |
| 198 | protein | 160 | 13.5K | 25 | 15 |
| 199 | Dermatology | 351 | 13.5K | 40 | 41 |
| 200 | miniaturization | 126 | 13.3K | 122 | 85 |
| 201 | Bacteriology | 220 | 13.3K | 68 | 82 |
| 202 | Geology | 259 | 13.3K | 206 | 159 |
| 203 | Rheumatology | 136 | 13.2K | 40 | 21 |
| 204 | Physical Therapy | 261 | 12.9K | 21 | 22 |
| 205 | commerce | 89 | 12.9K | 51 | 38 |
| 206 | alcoholism | 357 | 12.7K | 29 | 32 |
| 207 | Social work | 440 | 12.5K | 9 | 6 |
| 208 | Bacterial infections | 77 | 12.4K | 26 | 13 |
| 209 | mycoses | 64 | 12.4K | 23 | 10 |
| 210 | Ethology | 139 | 12.4K | 116 | 62 |
| 211 | Special Education | 309 | 12.3K | 7 | 6 |
| 212 | Cell death | 42 | 12.0K | 193 | 59 |
| 213 | RNA | 88 | 11.9K | 4 | 1 |
| 214 | Child welfare | 400 | 11.9K | 1 | 1 |
| 215 | Drug delivery systems | 134 | 11.9K | 18 | 11 |
| 216 | Mathematics | 759 | 11.8K | 193 | 173 |
| 217 | diseases | 24 | 11.8K | 22 | 25 |
| 218 | Water pollution | 150 | 11.7K | 165 | 91 |
| 219 | Quantum Gravity | 250 | 11.5K | 257 | 245 |
| 220 | Technology | 179 | 11.5K | 261 | 89 |
| 221 | Quality of life | 135 | 11.5K | 29 | 13 |
| 222 | Developing countries | 205 | 11.4K | 50 | 31 |
| 223 | Microelectronics | 75 | 11.3K | 228 | 92 |
| 224 | Research Design | 264 | 11.3K | 7 | 31 |
| 225 | Perception | 342 | 11.3K | 45 | 53 |
| 226 | Catalysis | 210 | 11.1K | 381 | 335 |
| 227 | Electrochemistry | 349 | 11.0K | 219 | 157 |
| 228 | Molecular Pharmacology | 170 | 10.9K | 6 | 5 |
| 229 | Visual Perception | 321 | 10.8K | 37 | 37 |
| 230 | Diagnostic Imaging | 192 | 10.8K | 60 | 33 |
| 231 | psychotherapy | 155 | 10.8K | 50 | 44 |
| 232 | Histology | 137 | 10.6K | 85 | 38 |
| 233 | Demography | 243 | 10.5K | 3 | 6 |
| 234 | Digestive system diseases | 190 | 10.5K | 7 | 1 |
| 235 | Public Policy | 262 | 10.5K | 13 | 14 |
| 236 | Radiography | 203 | 10.4K | 18 | 23 |
| 237 | Statistical physics | 251 | 10.4K | 334 | 235 |
| 238 | Decision making | 149 | 10.4K | 27 | 25 |
| 239 | Environmental monitoring | 270 | 10.2K | 75 | 138 |
| 240 | Gerontology | 455 | 10.1K | 27 | 26 |
| 241 | Economic Development | 154 | 10.0K | 37 | 39 |
| 242 | plant molecular biology | 91 | 9.9K | 157 | 119 |
| 243 | Family | 254 | 9.8K | 12 | 9 |
| 244 | Attention | 323 | 9.6K | 39 | 45 |
| 245 | Regional Planning | 159 | 9.6K | 37 | 20 |
| 246 | Psychosomatic Medicine | 147 | 9.5K | 15 | 15 |
| 247 | Immunotherapy | 105 | 9.5K | 118 | 84 |
| 248 | Chemotherapy | 270 | 9.5K | 5 | 3 |
| 249 | Nervous system | 166 | 9.5K | 146 | 154 |
| 250 | Marine Biology | 162 | 9.4K | 181 | 104 |
| 251 | natural products | 133 | 9.3K | 52 | 11 |
| 252 | Diagnostic microbiology | 171 | 9.1K | 21 | 48 |
| 253 | Genetic engineering | 136 | 9.1K | 79 | 48 |
| 254 | Sleep Disorders | 128 | 9.0K | 79 | 38 |
| 255 | Disease | 23 | 9.0K | 24 | 44 |
| 256 | Adolescent Medicine | 153 | 8.9K | 11 | 17 |
| 257 | Sleep | 132 | 8.9K | 78 | 41 |
| 258 | water supply | 120 | 8.9K | 46 | 35 |
| 259 | health services | 254 | 8.9K | 8 | 6 |
| 260 | Educational Psychology | 206 | 8.9K | 33 | 43 |
| 261 | Social behavior | 149 | 8.9K | 27 | 31 |
| 262 | Reproduction | 211 | 8.8K | 99 | 78 |
| 263 | Environmental Policy | 187 | 8.8K | 118 | 171 |
| 264 | fertility | 180 | 8.8K | 23 | 29 |
| 265 | Youth | 125 | 8.7K | 7 | 6 |
| 266 | Exercise | 130 | 8.7K | 31 | 5 |
| 267 | Infertility | 179 | 8.7K | 22 | 29 |
| 268 | older people | 429 | 8.6K | 24 | 14 |
| 269 | environmental protection | 156 | 8.6K | 167 | 109 |
| 270 | human development | 133 | 8.6K | 15 | 12 |
| 271 | Colloids | 170 | 8.6K | 385 | 282 |
| 272 | Physical Chemistry | 160 | 8.5K | 126 | 109 |
| 273 | Substance Abuse | 260 | 8.4K | 37 | 36 |
| 274 | Autism | 198 | 8.4K | 6 | 11 |
| 275 | Health Services Administration | 189 | 8.4K | 16 | 14 |
| 276 | Intellectual disability | 154 | 8.3K | 18 | 7 |
| 277 | Geochemistry | 124 | 8.3K | 237 | 175 |
| 278 | Geography | 149 | 8.2K | 143 | 89 |
| 279 | Respiration | 187 | 8.1K | 52 | 61 |
| 280 | Physical fitness | 134 | 8.1K | 12 | 14 |
| 281 | Primary health care | 269 | 8.0K | 27 | 26 |
| 282 | medical education | 388 | 8.0K | 25 | 61 |
| 283 | Renewable Energy Sources | 43 | 8.0K | 481 | 194 |
| 284 | Psychometrics | 127 | 8.0K | 15 | 17 |
| 285 | violence | 201 | 8.0K | 3 | 9 |
| 286 | counseling | 223 | 7.9K | 30 | 23 |
| 287 | Mental Health | 256 | 7.9K | 20 | 20 |
| 288 | environmental pollution | 190 | 7.8K | 290 | 328 |
| 289 | Yeast | 9 | 7.8K | 173 | 3 |
| 290 | enzymes | 196 | 7.8K | 13 | 13 |
| 291 | Meteorology | 91 | 7.8K | 282 | 191 |
| 292 | Cognitive neuroscience | 178 | 7.7K | 29 | 79 |
| 293 | Atmospheric Physics | 107 | 7.7K | 189 | 134 |
| 294 | Learning | 172 | 7.7K | 36 | 54 |
| 295 | Cell metabolism | 25 | 7.7K | 104 | 51 |
| 296 | Audiology | 195 | 7.6K | 15 | 17 |
| 297 | Chromosome mapping | 123 | 7.6K | 74 | 60 |
| 298 | Contraception | 237 | 7.6K | 3 | 5 |
| 299 | Nanostructured Materials | 168 | 7.6K | 261 | 248 |
| 300 | Homeostasis | 21 | 7.5K | 82 | 51 |
| 301 | DNA polymerases | 40 | 7.4K | 39 | 32 |
| 302 | Development | 80 | 7.4K | 28 | 16 |
| 303 | Cognitive Science | 111 | 7.3K | 58 | 73 |
| 304 | Vaccines | 208 | 7.2K | 31 | 37 |
| 305 | Plant Ecology | 105 | 7.2K | 125 | 99 |
| 306 | world | 77 | 7.2K | 29 | 20 |
| 307 | Electronics | 158 | 7.2K | 321 | 192 |
| 308 | Informatics | 64 | 7.1K | 26 | 4 |
| 309 | Membranes | 141 | 7.1K | 102 | 106 |
| 310 | Maternal health services | 236 | 7.1K | 1 | 1 |
| 311 | Ophthalmology | 185 | 7.0K | 91 | 98 |
| 312 | Molecular Microbiology | 73 | 6.9K | 64 | 53 |
| 313 | Environmental Microbiology | 75 | 6.9K | 74 | 49 |
| 314 | Mental Health Services | 209 | 6.9K | 31 | 23 |
| 315 | Electrochemical Analysis | 171 | 6.8K | 23 | 15 |
| 315 | city planning | 141 | 6.8K | 54 | 33 |
| 317 | United Kingdom | 139 | 6.8K | 70 | 64 |
| 318 | Orthopedics | 137 | 6.7K | 81 | 47 |
| 319 | Economic Assistance | 64 | 6.7K | 31 | 14 |
| 320 | Birth control | 178 | 6.7K | 2 | 2 |
| 321 | drug addiction | 192 | 6.6K | 41 | 48 |
| 322 | Information Science | 244 | 6.6K | 27 | 74 |
| 323 | Cerebral cortex | 86 | 6.6K | 59 | 43 |
| 324 | Adolescent Psychology | 136 | 6.5K | 11 | 13 |
| 325 | Dentistry | 163 | 6.4K | 23 | 5 |
| 326 | Hormones | 131 | 6.4K | 31 | 27 |
| 327 | Lipids | 91 | 6.4K | 58 | 38 |
| 328 | Artificial Intelligence | 88 | 6.4K | 508 | 247 |
| 329 | Smoking | 207 | 6.4K | 18 | 27 |
| 330 | Thorax | 132 | 6.2K | 17 | 12 |
| 331 | Pharmacognosy | 130 | 6.2K | 68 | 47 |
| 332 | behavior therapy | 116 | 6.1K | 41 | 29 |
| 333 | Recombinant DNA | 94 | 6.1K | 47 | 15 |
| 334 | carcinogens | 138 | 6.1K | 13 | 18 |
| 335 | Atmospheric Chemistry | 80 | 6.0K | 132 | 122 |
| 336 | Dietetics | 127 | 6.0K | 20 | 7 |
| 337 | Communication in medicine | 127 | 6.0K | 12 | 3 |
| 338 | Mathematical Physics | 146 | 5.9K | 302 | 216 |
| 339 | Meteorites | 63 | 5.8K | 161 | 120 |
| 340 | Health insurance | 147 | 5.8K | 11 | 19 |
| 341 | organization | 54 | 5.8K | 64 | 76 |
| 342 | heredity | 91 | 5.8K | 13 | 5 |
| 343 | families | 161 | 5.7K | 18 | 16 |
| 344 | health services accessibility | 204 | 5.7K | 9 | 11 |
| 345 | Engineering | 111 | 5.7K | 417 | 174 |
| 346 | brain mapping | 97 | 5.7K | 17 | 27 |
| 347 | environmental exposure | 209 | 5.7K | 7 | 26 |
| 348 | Community Psychiatry | 148 | 5.6K | 25 | 30 |
| 349 | Stem cells | 86 | 5.6K | 122 | 74 |
| 350 | Carcinogenesis | 128 | 5.5K | 12 | 16 |
| 351 | visualization | 236 | 5.5K | 15 | 14 |
| 352 | Emergency Medicine | 186 | 5.5K | 50 | 42 |
| 353 | drugs | 194 | 5.4K | 53 | 73 |
| 354 | chronic disease | 131 | 5.4K | 4 | 6 |
| 355 | plant communities | 79 | 5.4K | 82 | 66 |
| 356 | Patient education | 134 | 5.4K | 11 | 14 |
| 356 | Earth Sciences | 87 | 5.4K | 454 | 286 |
| 358 | Neuropsychiatry | 112 | 5.4K | 19 | 15 |
| 359 | Anxiety Disorders | 88 | 5.3K | 22 | 25 |
| 360 | Genetic epidemiology | 82 | 5.3K | 12 | 6 |
| 361 | biological factors | 67 | 5.3K | 142 | 42 |
| 362 | educational statistics | 15 | 5.3K | 18 | 2 |
| 363 | Planets | 101 | 5.3K | 218 | 196 |
| 364 | Kidney diseases | 135 | 5.2K | 31 | 30 |
| 365 | Learning disabilities | 106 | 5.2K | 36 | 17 |
| 366 | Anxiety | 88 | 5.2K | 21 | 25 |
| 367 | mutagens | 116 | 5.2K | 10 | 16 |
| 368 | Organizational Behavior | 52 | 5.2K | 41 | 36 |
| 369 | energy development | 22 | 5.2K | 123 | 47 |
| 370 | Philosophy | 277 | 5.1K | 41 | 30 |
| 371 | Anthropology | 178 | 5.1K | 81 | 56 |
| 372 | family violence | 102 | 5.1K | 1 | 1 |
| 373 | Medical Technology | 89 | 5.0K | 55 | 17 |
| 374 | free radicals | 71 | 5.0K | 95 | 94 |
| 375 | Occupational Therapy | 307 | 5.0K | 8 | 12 |
| 376 | Nanostructures | 46 | 4.9K | 264 | 140 |
| 377 | dietary supplements | 27 | 4.9K | 85 | 6 |
| 378 | Speech Disorders | 199 | 4.9K | 37 | 52 |
| 379 | Entrepreneurship | 34 | 4.9K | 92 | 75 |
| 380 | Astrocytes | 32 | 4.8K | 38 | 12 |
| 381 | Reproductive health | 119 | 4.8K | 7 | 7 |
| 382 | Tropical Medicine | 100 | 4.8K | 76 | 27 |
| 383 | Post-traumatic stress disorder | 89 | 4.7K | 34 | 34 |
| 384 | disease outbreaks | 49 | 4.7K | 31 | 17 |
| 385 | Epidemics | 48 | 4.7K | 29 | 17 |
| 386 | Nephrology | 106 | 4.7K | 31 | 25 |
| 387 | occupational diseases | 110 | 4.7K | 17 | 20 |
| 388 | Information Systems | 158 | 4.7K | 4 | 23 |
| 388 | Genes | 91 | 4.7K | 39 | 21 |
| 390 | Analytical Biochemistry | 121 | 4.6K | 34 | 56 |
| 391 | Algae | 118 | 4.6K | 16 | 18 |
| 392 | Multivariate Analysis | 112 | 4.5K | 1 | 7 |
| 393 | Light | 47 | 4.5K | 98 | 110 |
| 394 | Environmental Law | 84 | 4.5K | 44 | 81 |
| 395 | Chromosomes | 88 | 4.5K | 27 | 23 |
| 396 | Transportation | 103 | 4.5K | 153 | 124 |
| 397 | Hemophilia | 86 | 4.5K | 9 | 6 |
| 398 | Language Disorders | 159 | 4.4K | 28 | 33 |
| 399 | Clinical Immunology | 159 | 4.4K | 23 | 36 |
| 399 | Computer-Aided Design | 44 | 4.4K | 149 | 27 |
| 401 | probabilities | 173 | 4.4K | 28 | 14 |
| 402 | Molecular Genetics | 70 | 4.4K | 225 | 212 |
| 403 | Psycholinguistics | 74 | 4.4K | 93 | 77 |
| 404 | Clinical Trials | 158 | 4.4K | 8 | 15 |
| 405 | health planning | 181 | 4.4K | 32 | 42 |
| 406 | Biomechanics | 125 | 4.3K | 62 | 105 |
| 407 | Europe | 112 | 4.3K | 302 | 196 |
| 408 | Population | 146 | 4.3K | 8 | 22 |
| 409 | Signal Transduction | 72 | 4.2K | 94 | 115 |
| 410 | Organometallic compounds | 102 | 4.2K | 50 | 48 |
| 411 | Teratology | 85 | 4.2K | 6 | 5 |
| 412 | ethanol | 98 | 4.2K | 4 | 2 |
| 413 | Teaching | 204 | 4.2K | 29 | 93 |
| 413 | Hearing | 155 | 4.2K | 20 | 28 |
| 415 | Speech | 163 | 4.1K | 33 | 48 |
| 416 | Molecular cloning | 86 | 4.1K | 43 | 34 |
| 417 | industrial hygiene | 182 | 4.0K | 7 | 6 |
| 417 | Genetic recombination | 84 | 4.0K | 44 | 34 |
| 419 | Food | 125 | 4.0K | 224 | 281 |
| 420 | feeding behavior | 119 | 4.0K | 12 | 21 |
| 421 | Dental Public Health | 130 | 4.0K | 2 | 1 |
| 422 | Biodiversity | 44 | 4.0K | 401 | 219 |
| 423 | Cognitive Therapy | 80 | 4.0K | 8 | 10 |
| 424 | Mycology | 155 | 4.0K | 55 | 109 |
| 425 | Public Administration | 134 | 4.0K | 63 | 70 |
| 426 | Personality Assessment | 65 | 3.9K | 24 | 29 |
| 427 | Immunopathology | 102 | 3.9K | 75 | 75 |
| 428 | Human Geography | 107 | 3.9K | 64 | 70 |
| 429 | infection | 83 | 3.9K | 130 | 122 |
| 430 | Zoology | 84 | 3.8K | 316 | 180 |
| 431 | School Psychology | 109 | 3.8K | 18 | 23 |
| 432 | Optical materials | 54 | 3.8K | 543 | 349 |
| 433 | Biogeochemistry | 45 | 3.8K | 196 | 145 |
| 433 | Algal blooms | 14 | 3.8K | 56 | 8 |
| 433 | Cyanobacteria | 14 | 3.8K | 56 | 8 |
| 433 | microalgae | 14 | 3.8K | 56 | 8 |
| 437 | government | 80 | 3.8K | 47 | 26 |
| 438 | Community Psychology | 68 | 3.7K | 27 | 42 |
| 439 | Leukemia | 48 | 3.7K | 152 | 134 |
| 440 | Pediatric Neurology | 49 | 3.7K | 140 | 149 |
| 441 | Bone diseases | 14 | 3.7K | 122 | 21 |
| 442 | Alzheimer's disease | 208 | 3.7K | 71 | 106 |
| 443 | Biogeography | 32 | 3.7K | 199 | 90 |
| 444 | Bioenergetics | 28 | 3.6K | 150 | 50 |
| 445 | Socioeconomic Factors | 64 | 3.6K | 21 | 11 |
| 446 | Energy Conversion | 59 | 3.6K | 140 | 224 |
| 447 | Politics | 72 | 3.6K | 33 | 19 |
| 448 | Photonics | 25 | 3.6K | 655 | 269 |
| 449 | Hemostasis | 127 | 3.6K | 8 | 10 |
| 450 | Molecular evolution | 64 | 3.6K | 144 | 157 |
| 451 | Hospitals | 132 | 3.6K | 17 | 17 |
| 452 | Documentation | 67 | 3.6K | 4 | 5 |
| 453 | hygiene | 90 | 3.5K | 3 | 3 |
| 454 | Seaweed | 85 | 3.5K | 11 | 16 |
| 455 | cloning | 31 | 3.5K | 69 | 32 |
| 456 | Occupational Health | 135 | 3.5K | 17 | 30 |
| 457 | Pharmacokinetics | 131 | 3.5K | 6 | 13 |
| 458 | Agriculture | 63 | 3.4K | 263 | 168 |
| 459 | Proteome | 76 | 3.4K | 62 | 87 |
| 460 | Energy metabolism | 23 | 3.4K | 156 | 48 |
| 461 | Neuroimmunology | 91 | 3.4K | 15 | 41 |
| 462 | Emotions | 64 | 3.3K | 32 | 48 |
| 463 | Infections | 55 | 3.3K | 120 | 111 |
| 464 | rural health | 125 | 3.3K | 2 | 3 |
| 465 | economic policy | 104 | 3.3K | 157 | 103 |
| 466 | Vocational guidance | 87 | 3.3K | 73 | 90 |
| 467 | Quantitative Research | 67 | 3.3K | 6 | 7 |
| 468 | Energy Policy | 33 | 3.2K | 692 | 362 |
| 469 | Systems Biology | 93 | 3.2K | 73 | 67 |
| 470 | Family Therapy | 86 | 3.2K | 27 | 12 |
| 471 | Dementia | 197 | 3.2K | 65 | 101 |
| 472 | Otolaryngology | 138 | 3.2K | 17 | 27 |
| 473 | Relationships | 23 | 3.2K | 10 | 2 |
| 474 | Biopharmaceutics | 164 | 3.2K | 4 | 42 |
| 475 | Pharmacogenetics | 80 | 3.2K | 41 | 50 |
| 476 | Cardiovascular diseases | 103 | 3.2K | 115 | 131 |
| 477 | urban health | 52 | 3.2K | 14 | 8 |
| 478 | Heart Failure | 57 | 3.2K | 51 | 52 |
| 479 | Natural resources | 67 | 3.2K | 31 | 36 |
| 480 | ecosystem | 49 | 3.2K | 166 | 145 |
| 481 | Robotics | 57 | 3.1K | 238 | 130 |
| 482 | healthcare disparities | 78 | 3.1K | 9 | 3 |
| 483 | Regionalism | 23 | 3.1K | 11 | 2 |
| 484 | Lung Transplantation | 41 | 3.1K | 58 | 37 |
| 484 | Heart transplantation | 41 | 3.1K | 58 | 37 |
| 486 | mutation | 56 | 3.1K | 22 | 24 |
| 487 | Magnetic Resonance Spectroscopy | 70 | 3.1K | 122 | 68 |
| 488 | energy resources | 30 | 3.1K | 272 | 181 |
| 489 | primary prevention | 106 | 3.1K | 1 | 1 |
| 490 | Hemodynamics | 57 | 3.1K | 74 | 105 |
| 490 | nuclear magnetic resonance | 68 | 3.1K | 122 | 68 |
| 492 | Chemical Engineering | 67 | 3.1K | 1,067 | 954 |
| 493 | Animal ecology | 44 | 3.0K | 215 | 127 |
| 494 | Reproductive toxicology | 49 | 3.0K | 8 | 12 |
| 495 | Elderly | 307 | 3.0K | 26 | 22 |
| 496 | complementary therapies | 96 | 3.0K | 58 | 44 |
| 497 | Social problems | 67 | 3.0K | 25 | 43 |
| 498 | European Union | 15 | 3.0K | 33 | 2 |
| 499 | Mineralogy | 41 | 2.9K | 316 | 186 |
| 500 | innovation | 30 | 2.9K | 47 | 81 |
| 501 | Plant physiology | 38 | 2.9K | 522 | 380 |
| 502 | breastfeeding | 90 | 2.9K | 7 | 4 |
| 503 | Environmental Chemistry | 69 | 2.9K | 182 | 332 |
| 504 | Climatology | 59 | 2.9K | 278 | 260 |
| 505 | planning | 84 | 2.9K | 7 | 9 |
| 506 | Pharmaceutical Technology | 63 | 2.9K | 123 | 99 |
| 507 | Long-Term Care | 154 | 2.9K | 3 | 51 |
| 507 | Long-term care facilities | 154 | 2.9K | 3 | 51 |
| 507 | Mass Spectrometry | 90 | 2.9K | 55 | 71 |
| 510 | Biomolecules | 14 | 2.9K | 101 | 21 |
| 511 | elder abuse | 74 | 2.8K | 1 | 1 |
| 512 | mammals | 71 | 2.8K | 54 | 29 |
| 513 | Sexual health | 53 | 2.8K | 71 | 36 |
| 514 | Aerosols | 63 | 2.8K | 38 | 38 |
| 515 | psychopathology | 50 | 2.8K | 16 | 47 |
| 516 | Alternative Medicine | 74 | 2.8K | 68 | 42 |
| 517 | Microorganisms | 28 | 2.8K | 179 | 138 |
| 518 | sexual behavior | 61 | 2.8K | 36 | 33 |
| 519 | sex crimes | 102 | 2.8K | 5 | 16 |
| 520 | Medical Ethics | 172 | 2.7K | 26 | 32 |
| 521 | Social interaction | 23 | 2.7K | 41 | 4 |
| 522 | Geriatric Oncology | 92 | 2.7K | 8 | 16 |
| 523 | Drug design | 69 | 2.7K | 69 | 83 |
| 524 | child behavior | 64 | 2.7K | 8 | 12 |
| 525 | Petrology | 32 | 2.7K | 292 | 175 |
| 526 | Environmental Management | 51 | 2.7K | 494 | 442 |
| 527 | Pediatric Nursing | 81 | 2.7K | 8 | 5 |
| 528 | Archaeology | 53 | 2.7K | 227 | 108 |
| 529 | Radiology | 141 | 2.7K | 50 | 55 |
| 530 | Regional Economics | 19 | 2.7K | 74 | 5 |
| 531 | Structure-activity relationship | 12 | 2.7K | 35 | 15 |
| 532 | System analysis | 72 | 2.7K | 263 | 187 |
| 533 | Cheminformatics | 17 | 2.7K | 23 | 14 |
| 534 | child mental health | 79 | 2.7K | 5 | 2 |
| 535 | Systems Analysis | 48 | 2.6K | 77 | 26 |
| 536 | Psychiatric hospitals | 76 | 2.6K | 20 | 17 |
| 537 | Hydraulic Engineering | 55 | 2.6K | 109 | 77 |
| 537 | Water quality management | 65 | 2.6K | 145 | 88 |
| 539 | Nonlinear Dynamics | 82 | 2.6K | 341 | 317 |
| 540 | Insects | 30 | 2.6K | 305 | 88 |
| 541 | Steroids | 80 | 2.6K | 39 | 48 |
| 542 | Linguistics | 66 | 2.6K | 176 | 113 |
| 543 | Asthma | 87 | 2.5K | 10 | 14 |
| 544 | Hydrodynamics | 48 | 2.5K | 45 | 41 |
| 545 | cell membrane | 22 | 2.5K | 158 | 64 |
| 546 | Biosensors | 61 | 2.5K | 108 | 181 |
| 547 | data protection | 19 | 2.5K | 54 | 6 |
| 548 | Ecosystem management | 16 | 2.5K | 200 | 42 |
| 549 | Energy Storage | 47 | 2.5K | 155 | 120 |
| 550 | Experimental Psychology | 33 | 2.5K | 95 | 72 |
| 551 | blood transfusion | 98 | 2.5K | 35 | 37 |
| 552 | gastrointestinal tract | 36 | 2.4K | 7 | 6 |
| 553 | Urban Economics | 43 | 2.4K | 26 | 29 |
| 554 | Clinical Biochemistry | 78 | 2.4K | 58 | 78 |
| 555 | Psychoneuroimmunology | 67 | 2.4K | 19 | 63 |
| 556 | Depression | 46 | 2.4K | 20 | 35 |
| 557 | Obstetric Nursing | 69 | 2.4K | 9 | 5 |
| 558 | Biodiversity conservation | 42 | 2.4K | 331 | 463 |
| 559 | Insect biochemistry | 37 | 2.4K | 38 | 27 |
| 560 | Venture Capital | 15 | 2.4K | 41 | 72 |
| 561 | Positive Psychology | 16 | 2.4K | 18 | 11 |
| 562 | Small Business | 16 | 2.4K | 200 | 129 |
| 563 | Quality Control | 68 | 2.3K | 85 | 87 |
| 564 | Inflammation | 28 | 2.3K | 199 | 86 |
| 565 | Nanoparticles | 41 | 2.3K | 317 | 224 |
| 566 | Parenteral nutrition | 42 | 2.3K | 137 | 142 |
| 567 | DNS | 24 | 2.3K | 38 | 4 |
| 568 | Aggression | 47 | 2.3K | 12 | 23 |
| 569 | school psychologists | 42 | 2.3K | 19 | 17 |
| 570 | Behavioral Genetics | 22 | 2.3K | 42 | 11 |
| 571 | DNA | 26 | 2.3K | 41 | 3 |
| 572 | cell movement | 34 | 2.3K | 7 | 3 |
| 573 | General Surgery | 125 | 2.3K | 31 | 36 |
| 574 | Appetite | 65 | 2.2K | 26 | 42 |
| 575 | Nanomedicine | 15 | 2.2K | 12 | 1 |
| 576 | Australia | 84 | 2.2K | 126 | 103 |
| 577 | Information Theory | 45 | 2.2K | 229 | 167 |
| 577 | morbidity | 3 | 2.2K | 8 | 3 |
| 577 | mortality | 3 | 2.2K | 62 | 4 |
| 580 | Bones | 50 | 2.2K | 68 | 107 |
| 581 | Sustainable Development | 38 | 2.2K | 261 | 240 |
| 582 | Oxidation-reduction | 26 | 2.2K | 138 | 138 |
| 583 | Optics | 122 | 2.2K | 668 | 694 |
| 584 | poverty | 19 | 2.2K | 41 | 3 |
| 585 | Humanities | 47 | 2.1K | 122 | 28 |
| 586 | peace | 28 | 2.1K | 86 | 45 |
| 587 | Cytoskeleton | 47 | 2.1K | 7 | 4 |
| 588 | Economic planning | 47 | 2.1K | 6 | 11 |
| 589 | Energy Harvesting | 25 | 2.1K | 81 | 96 |
| 590 | Human-Computer Interaction | 59 | 2.1K | 88 | 104 |
| 591 | Public Health Administration | 190 | 2.1K | 15 | 21 |
| 592 | Liposomes | 33 | 2.1K | 41 | 46 |
| 593 | Combinatorial chemistry | 52 | 2.1K | 60 | 94 |
| 594 | Geomorphology | 36 | 2.1K | 280 | 206 |
| 594 | Signal Processing | 46 | 2.1K | 610 | 500 |
| 596 | Leisure | 31 | 2.0K | 36 | 21 |
| 597 | Ethnology | 86 | 2.0K | 90 | 60 |
| 598 | Social Issues | 45 | 2.0K | 8 | 12 |
| 599 | Human biology | 99 | 2.0K | 9 | 19 |
| 600 | Electrophysiology | 82 | 2.0K | 63 | 65 |
| 601 | Lipid bilayers | 30 | 2.0K | 43 | 47 |
| 602 | mathematical concepts | 51 | 2.0K | 4 | 2 |
| 603 | Bioethics | 103 | 2.0K | 39 | 37 |
| 604 | Political Geography | 24 | 2.0K | 35 | 8 |
| 605 | Clinical Pharmacology | 61 | 2.0K | 129 | 124 |
| 606 | Probability | 65 | 2.0K | 22 | 37 |
| 607 | drug abuse | 81 | 2.0K | 26 | 30 |
| 608 | scientific societies | 46 | 1.9K | 63 | 43 |
| 609 | Religion | 62 | 1.9K | 55 | 8 |
| 609 | aerosol | 37 | 1.9K | 37 | 21 |
| 611 | cell interaction | 39 | 1.9K | 94 | 84 |
| 612 | Bioelectronics | 45 | 1.9K | 121 | 201 |
| 613 | Wildlife conservation | 20 | 1.9K | 355 | 190 |
| 614 | Cybernetics | 43 | 1.9K | 280 | 276 |
| 615 | Environmental pollutants | 48 | 1.9K | 318 | 308 |
| 616 | nuclear magnetic resonance spectroscopy | 20 | 1.9K | 195 | 35 |
| 617 | Proteomics | 27 | 1.9K | 188 | 126 |
| 618 | soil microbiology | 26 | 1.9K | 416 | 373 |
| 619 | Early Childhood Education | 63 | 1.9K | 24 | 15 |
| 620 | concepts | 16 | 1.9K | 11 | 1 |
| 621 | warfare | 29 | 1.8K | 38 | 32 |
| 622 | Land use | 40 | 1.8K | 102 | 80 |
| 623 | Photochemistry | 52 | 1.8K | 178 | 158 |
| 624 | Autoimmunity | 36 | 1.8K | 104 | 107 |
| 625 | Fisheries | 38 | 1.8K | 318 | 222 |
| 626 | Medical Laboratory Science | 68 | 1.8K | 220 | 406 |
| 627 | Neuropharmacology | 43 | 1.8K | 29 | 28 |
| 628 | locomotion | 45 | 1.8K | 42 | 53 |
| 628 | posture | 45 | 1.8K | 42 | 53 |
| 628 | gait | 45 | 1.8K | 42 | 53 |
| 628 | walking | 45 | 1.8K | 42 | 53 |
| 632 | behavior modification | 44 | 1.8K | 54 | 75 |
| 633 | fuel cells | 36 | 1.8K | 247 | 298 |
| 633 | international cooperation | 32 | 1.8K | 74 | 49 |
| 635 | Social welfare | 77 | 1.8K | 20 | 18 |
| 636 | Enteral nutrition | 29 | 1.8K | 130 | 133 |
| 637 | Genetic Counseling | 41 | 1.8K | 22 | 6 |
| 638 | Socialization | 45 | 1.7K | 31 | 52 |
| 639 | Global Health | 157 | 1.7K | 16 | 59 |
| 640 | histological techniques | 38 | 1.7K | 69 | 77 |
| 641 | Industrial Microbiology | 27 | 1.7K | 473 | 364 |
| 642 | ethnicity | 64 | 1.7K | 17 | 7 |
| 642 | Chromatography | 49 | 1.7K | 192 | 108 |
| 644 | European integration | 8 | 1.7K | 103 | 7 |
| 644 | European Economic Community | 8 | 1.7K | 103 | 7 |
| 646 | Malaria | 73 | 1.7K | 38 | 66 |
| 647 | Molecular ecology | 26 | 1.7K | 291 | 292 |
| 648 | Bipolar Disorder | 31 | 1.7K | 49 | 55 |
| 649 | women | 73 | 1.7K | 17 | 9 |
| 650 | Reading | 76 | 1.7K | 27 | 57 |
| 651 | Lipid metabolism | 26 | 1.7K | 30 | 30 |
| 651 | Lipid | 26 | 1.7K | 32 | 32 |
| 653 | Electrophoresis | 49 | 1.7K | 196 | 171 |
| 654 | Virtual reality | 36 | 1.6K | 14 | 22 |
| 655 | Nuclear Engineering | 43 | 1.6K | 311 | 136 |
| 656 | War and Society | 18 | 1.6K | 54 | 35 |
| 657 | biomimicry | 14 | 1.6K | 28 | 3 |
| 658 | Neurovirology | 51 | 1.6K | 6 | 16 |
| 659 | occupational health and safety | 73 | 1.6K | 8 | 8 |
| 660 | Developmental Neurobiology | 40 | 1.6K | 17 | 12 |
| 661 | Structural Equation Modeling | 32 | 1.6K | 7 | 14 |
| 662 | Organizational change | 17 | 1.6K | 141 | 41 |
| 663 | Neurotoxicology | 32 | 1.6K | 29 | 25 |
| 664 | Respiratory system | 54 | 1.6K | 23 | 36 |
| 665 | DNA methylation | 46 | 1.6K | 5 | 15 |
| 665 | Microscopy | 47 | 1.6K | 154 | 126 |
| 667 | Library Science | 96 | 1.6K | 15 | 15 |
| 668 | biopolymers | 43 | 1.6K | 208 | 196 |
| 669 | Neural circuitry | 36 | 1.6K | 378 | 322 |
| 670 | Culture | 104 | 1.6K | 37 | 63 |
| 671 | drug evaluation | 51 | 1.6K | 83 | 85 |
| 672 | Population Genetics | 27 | 1.6K | 324 | 288 |
| 673 | Urban Planning | 27 | 1.6K | 31 | 26 |
| 674 | Muscles | 40 | 1.6K | 100 | 127 |
| 675 | Structuralism | 20 | 1.6K | 24 | 34 |
| 675 | Social Networks | 21 | 1.6K | 33 | 34 |
| 677 | Chemical Oceanography | 29 | 1.5K | 49 | 56 |
| 678 | Water Microbiology | 26 | 1.5K | 17 | 12 |
| 679 | Kalman Filtering | 13 | 1.5K | 35 | 4 |
| 679 | Risk | 39 | 1.5K | 39 | 67 |
| 681 | Business Ethics | 19 | 1.5K | 258 | 233 |
| 682 | Antioxidants | 14 | 1.5K | 243 | 144 |
| 683 | Financial management | 33 | 1.5K | 36 | 55 |
| 684 | Neuromuscular diseases | 37 | 1.5K | 80 | 73 |
| 685 | Entomology | 37 | 1.5K | 543 | 321 |
| 686 | Roads | 55 | 1.5K | 113 | 82 |
| 687 | Metastasis | 11 | 1.5K | 27 | 23 |
| 688 | Drug discovery | 36 | 1.5K | 5 | 6 |
| 689 | Marriage | 52 | 1.5K | 32 | 37 |
| 690 | freshwater biology | 31 | 1.4K | 132 | 109 |
| 691 | Criminal psychology | 44 | 1.4K | 117 | 118 |
| 691 | conflict management | 14 | 1.4K | 64 | 25 |
| 693 | Cosmochemistry | 36 | 1.4K | 122 | 123 |
| 694 | Spine | 29 | 1.4K | 141 | 129 |
| 695 | abnormalities | 36 | 1.4K | 9 | 11 |
| 695 | Metals | 21 | 1.4K | 732 | 445 |
| 697 | Demographic research | 29 | 1.4K | 13 | 18 |
| 698 | Strategic planning | 31 | 1.4K | 56 | 80 |
| 699 | Chromatographic analysis | 41 | 1.4K | 305 | 176 |
| 700 | mathematical analysis | 100 | 1.4K | 277 | 308 |
| 701 | Evidence-Based Medicine | 73 | 1.4K | 23 | 36 |
| 702 | Randomized Controlled Trials | 74 | 1.4K | 70 | 69 |
| 703 | Auditing | 9 | 1.4K | 153 | 25 |
| 704 | Work | 50 | 1.4K | 8 | 20 |
| 705 | disabilities | 30 | 1.4K | 113 | 69 |
| 706 | Public Relations | 47 | 1.4K | 17 | 20 |
| 707 | Solid State Chemistry | 47 | 1.4K | 590 | 451 |
| 707 | industrial relations | 30 | 1.4K | 168 | 77 |
| 709 | Immunopharmacology | 36 | 1.4K | 132 | 106 |
| 710 | Culture techniques | 45 | 1.4K | 10 | 16 |
| 711 | Urban Policy | 20 | 1.4K | 165 | 77 |
| 712 | Fungi | 36 | 1.4K | 180 | 223 |
| 713 | Oxidative stress | 22 | 1.4K | 122 | 150 |
| 714 | Information Technology | 78 | 1.4K | 157 | 440 |
| 714 | Autoimmune diseases | 35 | 1.4K | 62 | 69 |
| 714 | Climate | 17 | 1.4K | 116 | 58 |
| 717 | Soft Condensed Matter | 40 | 1.3K | 219 | 220 |
| 718 | Process Control | 14 | 1.3K | 342 | 225 |
| 719 | consumer behavior | 17 | 1.3K | 118 | 83 |
| 719 | Transport | 17 | 1.3K | 155 | 73 |
| 721 | Orthopedic Surgery | 29 | 1.3K | 142 | 77 |
| 721 | eugenics | 47 | 1.3K | 38 | 38 |
| 723 | mental health policy | 44 | 1.3K | 15 | 21 |
| 724 | International Relations | 72 | 1.3K | 102 | 136 |
| 725 | Green Chemistry | 18 | 1.3K | 671 | 547 |
| 726 | Continental shelf | 18 | 1.3K | 94 | 52 |
| 727 | DNA repair | 31 | 1.3K | 22 | 27 |
| 728 | Cultural diversity | 32 | 1.3K | 5 | 16 |
| 728 | Social policy | 63 | 1.3K | 59 | 75 |
| 730 | drug control | 31 | 1.3K | 45 | 36 |
| 731 | Longevity | 2 | 1.3K | 225 | 1 |
| 732 | pollutants | 38 | 1.3K | 297 | 369 |
| 732 | rejuvenation | 1 | 1.3K | 270 | 1 |
| 734 | biomedicine | 99 | 1.3K | 8 | 25 |
| 735 | Pregnancy | 59 | 1.3K | 50 | 78 |
| 736 | collagen | 19 | 1.3K | 32 | 42 |
| 737 | Neonatology | 48 | 1.3K | 25 | 42 |
| 738 | Fluid Mechanics | 25 | 1.3K | 457 | 271 |
| 739 | Pharmacogenomics | 29 | 1.3K | 7 | 9 |
| 740 | Risk Management | 41 | 1.3K | 35 | 65 |
| 741 | Bacterial diseases | 4 | 1.3K | 195 | 10 |
| 742 | China | 60 | 1.3K | 433 | 422 |
| 743 | Pediatric Dermatology | 91 | 1.3K | 12 | 24 |
| 744 | Political Sociology | 33 | 1.3K | 42 | 52 |
| 744 | cytokines | 22 | 1.3K | 259 | 187 |
| 746 | rare diseases | 30 | 1.3K | 85 | 75 |
| 747 | Brachytherapy | 10 | 1.2K | 61 | 8 |
| 748 | Climate change | 23 | 1.2K | 295 | 575 |
| 749 | Economic Thought | 18 | 1.2K | 60 | 71 |
| 749 | economic conditions | 19 | 1.2K | 123 | 82 |
| 749 | Sociobiology | 64 | 1.2K | 6 | 24 |
| 752 | Morphology | 40 | 1.2K | 108 | 93 |
| 752 | population policy | 46 | 1.2K | 3 | 4 |
| 754 | Real-time Data Processing | 44 | 1.2K | 2 | 9 |
| 754 | Autoantibodies | 31 | 1.2K | 58 | 68 |
| 756 | sustainability | 15 | 1.2K | 258 | 192 |
| 757 | Eutrophication | 22 | 1.2K | 298 | 579 |
| 758 | calcification | 32 | 1.2K | 58 | 77 |
| 759 | Conservation Biology | 27 | 1.2K | 244 | 251 |
| 760 | Immunogenetics | 19 | 1.2K | 158 | 75 |
| 761 | Extracellular matrix | 17 | 1.2K | 33 | 46 |
| 762 | Radiation | 31 | 1.2K | 528 | 314 |
| 763 | recreation | 66 | 1.2K | 48 | 57 |
| 764 | homosexuality | 34 | 1.2K | 30 | 34 |
| 765 | Chemical analysis | 47 | 1.2K | 75 | 134 |
| 765 | Psychiatric Epidemiology | 37 | 1.2K | 44 | 73 |
| 767 | Paleoceanography | 5 | 1.2K | 127 | 52 |
| 768 | Telecommunication | 38 | 1.2K | 652 | 625 |
| 769 | Political Psychology | 32 | 1.1K | 36 | 69 |
| 770 | air | 5 | 1.1K | 102 | 35 |
| 771 | Food Microbiology | 24 | 1.1K | 289 | 303 |
| 772 | Mass Media | 43 | 1.1K | 63 | 27 |
| 773 | Happiness | 8 | 1.1K | 151 | 23 |
| 774 | International Finance | 26 | 1.1K | 462 | 326 |
| 775 | Political Participation | 27 | 1.1K | 36 | 33 |
| 776 | Palliative Care | 46 | 1.1K | 94 | 92 |
| 777 | Immunochemistry | 38 | 1.1K | 107 | 111 |
| 777 | race relations | 45 | 1.1K | 34 | 48 |
| 779 | Genetic disorders | 17 | 1.1K | 132 | 67 |
| 780 | Software Engineering | 9 | 1.1K | 556 | 194 |
| 781 | Criminology | 48 | 1.1K | 157 | 181 |
| 782 | children | 26 | 1.1K | 61 | 70 |
| 783 | Molecules | 39 | 1.1K | 359 | 332 |
| 784 | Body Image | 30 | 1.1K | 15 | 28 |
| 785 | language | 35 | 1.1K | 120 | 157 |
| 786 | Parasitology | 41 | 1.1K | 477 | 451 |
| 787 | Diplomatic relations | 22 | 1.1K | 152 | 15 |
| 788 | population trends | 11 | 1.1K | 13 | 14 |
| 789 | Industrial Policy | 16 | 1.1K | 117 | 60 |
| 790 | Federal government | 20 | 1.1K | 3 | 1 |
| 791 | Menopause | 37 | 1.1K | 28 | 32 |
| 792 | Gastrointestinal diseases | 18 | 1.1K | 114 | 27 |
| 793 | Plant Taxonomy | 13 | 1.1K | 131 | 59 |
| 793 | Functional Genomics | 25 | 1.1K | 24 | 35 |
| 795 | Metallurgy | 26 | 1.1K | 704 | 546 |
| 795 | Elections | 27 | 1.1K | 53 | 37 |
| 797 | Endocrine glands | 18 | 1.1K | 33 | 70 |
| 798 | consumers | 12 | 1.1K | 93 | 36 |
| 799 | Asia | 67 | 1.1K | 237 | 319 |
| 800 | Bioinorganic chemistry | 28 | 1.0K | 404 | 284 |
| 801 | Hearing Aids | 42 | 1.0K | 13 | 13 |
| 802 | election law | 24 | 1.0K | 33 | 26 |
| 802 | Parasitic Diseases | 36 | 1.0K | 378 | 420 |
| 804 | Stochastic Processes | 53 | 1.0K | 32 | 53 |
| 804 | Sales management | 19 | 1.0K | 33 | 95 |
| 804 | selling | 19 | 1.0K | 33 | 95 |
| 807 | Phylogeny | 8 | 1.0K | 486 | 192 |
| 808 | Genetic Toxicology | 15 | 1.0K | 67 | 57 |
| 808 | computer networks | 41 | 1.0K | 523 | 609 |
| 810 | Public opinion | 28 | 1.0K | 43 | 54 |
| 811 | Social Change | 25 | 1.0K | 159 | 266 |
| 812 | Labor Economics | 21 | 1.0K | 81 | 67 |
| 813 | Voting | 21 | 1.0K | 41 | 28 |
| 814 | Cell adhesion | 14 | 998 | 8 | 3 |
| 815 | Growth factors | 15 | 993 | 23 | 56 |
| 816 | energy conservation | 16 | 992 | 777 | 699 |
| 817 | Behavioral research | 20 | 985 | 49 | 17 |
| 818 | Birds | 54 | 984 | 175 | 189 |
| 819 | embryonic development | 20 | 982 | 59 | 41 |
| 819 | Estuaries | 21 | 982 | 31 | 36 |
| 821 | global environmental change | 14 | 977 | 272 | 225 |
| 822 | urban population | 15 | 976 | 49 | 56 |
| 823 | Industrial Organization | 11 | 975 | 91 | 28 |
| 824 | Synapses | 21 | 973 | 41 | 42 |
| 825 | Animal welfare | 11 | 970 | 62 | 17 |
| 826 | health and race | 31 | 963 | 5 | 4 |
| 827 | Groundwater | 25 | 961 | 110 | 87 |
| 828 | Experimental Design | 41 | 959 | 26 | 62 |
| 828 | ethnic groups | 34 | 959 | 14 | 16 |
| 830 | toxicity testing | 28 | 954 | 49 | 47 |
| 831 | speech therapy | 34 | 951 | 55 | 48 |
| 832 | Vocational Education | 28 | 943 | 89 | 48 |
| 833 | at-risk youth | 28 | 942 | 9 | 11 |
| 834 | Hippocampus | 13 | 938 | 83 | 82 |
| 835 | Sea | 13 | 937 | 167 | 72 |
| 835 | negotiation | 6 | 937 | 27 | 3 |
| 835 | Fishery resources | 13 | 937 | 194 | 80 |
| 838 | Coral reef biology | 17 | 936 | 79 | 64 |
| 839 | Geriatric Psychiatry | 34 | 935 | 130 | 155 |
| 839 | Holistic Health | 22 | 935 | 37 | 22 |
| 839 | Ultrasonics | 39 | 935 | 167 | 272 |
| 839 | Ultrasound | 39 | 935 | 105 | 128 |
| 843 | Consumer Protection | 7 | 934 | 77 | 22 |
| 843 | Consumer education | 7 | 934 | 140 | 46 |
| 845 | Educational Technology | 18 | 932 | 516 | 292 |
| 846 | Algebra | 45 | 930 | 298 | 141 |
| 847 | chromatin | 18 | 924 | 7 | 11 |
| 848 | Numerical Analysis | 33 | 920 | 651 | 437 |
| 849 | food technology | 23 | 915 | 873 | 772 |
| 850 | weight loss | 38 | 909 | 2 | 4 |
| 851 | Rheology | 29 | 907 | 100 | 103 |
| 852 | Microeconomics | 21 | 903 | 66 | 60 |
| 853 | Landscape Ecology | 15 | 898 | 107 | 98 |
| 853 | Precision medicine | 22 | 898 | 31 | 18 |
| 855 | community development | 42 | 895 | 28 | 57 |
| 855 | Regional Development | 16 | 895 | 38 | 17 |
| 855 | Development planning | 16 | 895 | 20 | 13 |
| 858 | educational planning | 23 | 892 | 46 | 55 |
| 859 | Brain damage | 29 | 884 | 41 | 51 |
| 860 | Industrial Engineering | 20 | 878 | 591 | 468 |
| 860 | Development Economics | 13 | 878 | 91 | 50 |
| 862 | mental processes | 41 | 877 | 19 | 37 |
| 863 | Geobiology | 23 | 872 | 75 | 72 |
| 864 | Nonverbal Communication | 26 | 871 | 9 | 21 |
| 865 | Cell communication | 15 | 870 | 114 | 92 |
| 866 | eye | 3 | 867 | 179 | 114 |
| 866 | Statistical models | 57 | 867 | 2 | 7 |
| 868 | Hazardous waste | 11 | 864 | 387 | 272 |
| 869 | atmospheric models | 15 | 863 | 257 | 219 |
| 870 | North America | 43 | 860 | 89 | 86 |
| 871 | Mixed methods research | 4 | 858 | 32 | 9 |
| 872 | Magnetic Materials | 14 | 852 | 709 | 389 |
| 873 | Human evolution | 3 | 842 | 405 | 123 |
| 874 | Computational Chemistry | 28 | 840 | 84 | 180 |
| 874 | Andrology | 22 | 840 | 106 | 87 |
| 874 | Obsessive-Compulsive Disorder | 35 | 840 | 2 | 2 |
| 874 | Ferroelectricity | 39 | 840 | 169 | 127 |
| 878 | Waste management | 19 | 839 | 401 | 201 |
| 878 | Water Purification | 19 | 839 | 314 | 157 |
| 878 | Radio | 37 | 839 | 351 | 490 |
| 881 | Retina | 2 | 838 | 188 | 113 |
| 882 | Cognitive Behavioral Therapy | 19 | 832 | 21 | 12 |
| 883 | Sound | 48 | 830 | 122 | 169 |
| 884 | Combinatorial analysis | 36 | 819 | 186 | 104 |
| 885 | Ethics | 38 | 818 | 124 | 104 |
| 886 | Jurisprudence | 40 | 812 | 147 | 151 |
| 886 | Radio frequency | 34 | 812 | 65 | 86 |
| 888 | actuators | 17 | 809 | 891 | 751 |
| 888 | transducers | 17 | 809 | 891 | 751 |
| 890 | Land Use Planning | 14 | 806 | 92 | 77 |
| 891 | Gender Studies | 18 | 805 | 79 | 42 |
| 892 | Eastern Europe | 22 | 803 | 140 | 22 |
| 893 | Pharmacy management | 50 | 802 | 11 | 24 |
| 894 | Engineering Mathematics | 18 | 800 | 666 | 351 |
| 894 | Erectile dysfunction | 19 | 800 | 29 | 20 |
| 896 | prostaglandins | 25 | 795 | 66 | 67 |
| 897 | Psychiatric Nursing | 36 | 791 | 60 | 48 |
| 898 | Communication in politics | 15 | 789 | 27 | 19 |
| 899 | Industrial Safety | 32 | 788 | 163 | 219 |
| 900 | Geometry | 40 | 781 | 209 | 110 |
| 900 | Technological Innovations | 16 | 781 | 285 | 200 |
| 902 | Paleoecology | 18 | 780 | 371 | 332 |
| 903 | Social Media | 18 | 779 | 9 | 10 |
| 904 | Histochemistry | 28 | 778 | 209 | 223 |
| 905 | Physical organic chemistry | 35 | 775 | 247 | 312 |
| 905 | Africa | 33 | 775 | 271 | 170 |
| 907 | Restoration Ecology | 8 | 774 | 203 | 81 |
| 908 | air quality management | 22 | 767 | 48 | 72 |
| 909 | Plant diseases | 23 | 764 | 664 | 540 |
| 910 | Welfare Economics | 15 | 763 | 127 | 87 |
| 911 | Public Choice | 38 | 761 | 17 | 62 |
| 911 | Group decision making | 38 | 761 | 26 | 72 |
| 913 | Cytokine | 11 | 757 | 100 | 92 |
| 914 | Electrocardiography | 41 | 756 | 23 | 19 |
| 915 | Antiviral agents | 36 | 752 | 17 | 33 |
| 916 | Distance Education | 12 | 747 | 87 | 45 |
| 917 | Computational Fluid Dynamics | 6 | 744 | 428 | 105 |
| 918 | Physical Geography | 29 | 743 | 42 | 75 |
| 919 | crime | 14 | 740 | 280 | 159 |
| 920 | Queuing Theory | 35 | 739 | 10 | 12 |
| 921 | Student Health Services | 40 | 733 | 15 | 32 |
| 922 | Multimedia Systems | 17 | 726 | 670 | 354 |
| 923 | Paleoclimatology | 18 | 725 | 410 | 384 |
| 923 | immigration | 11 | 725 | 43 | 43 |
| 923 | migration policy | 11 | 725 | 49 | 44 |
| 923 | Asylum seeker | 11 | 725 | 38 | 43 |
| 927 | Intelligence | 6 | 724 | 168 | 65 |
| 928 | Food additives | 20 | 716 | 287 | 351 |
| 929 | biological monitoring | 34 | 714 | 21 | 67 |
| 930 | labor | 12 | 708 | 86 | 56 |
| 931 | Liquid Crystals | 38 | 707 | 156 | 86 |
| 931 | Ornithology | 40 | 707 | 167 | 198 |
| 933 | working class | 10 | 706 | 51 | 57 |
| 934 | Particle Physics | 8 | 705 | 99 | 67 |
| 935 | glycoproteins | 21 | 703 | 82 | 107 |
| 935 | Glycoconjugates | 21 | 703 | 82 | 107 |
| 935 | glycolipids | 21 | 703 | 82 | 107 |
| 938 | Antibacterial agents | 22 | 700 | 92 | 130 |
| 938 | Oligosaccharide | 20 | 700 | 37 | 68 |
| 938 | Carbohydrates | 20 | 700 | 67 | 102 |
| 941 | sports injuries | 39 | 699 | 33 | 39 |
| 942 | role | 23 | 698 | 61 | 114 |
| 943 | Communication and Culture | 18 | 686 | 30 | 10 |
| 944 | hospice care | 35 | 685 | 33 | 45 |
| 944 | Paleogeography | 15 | 685 | 383 | 335 |
| 946 | Food Policy | 19 | 684 | 54 | 75 |
| 947 | Organic Geochemistry | 9 | 678 | 160 | 123 |
| 947 | indoor air pollution | 18 | 678 | 66 | 81 |
| 947 | Ventilation | 18 | 678 | 109 | 97 |
| 947 | Sick building syndrome | 18 | 678 | 66 | 81 |
| 951 | biochemical markers | 24 | 674 | 54 | 49 |
| 952 | Crystallography | 31 | 669 | 451 | 275 |
| 953 | Nutritional support | 7 | 668 | 76 | 30 |
| 954 | Counseling Psychology | 15 | 667 | 67 | 58 |
| 955 | Flow cytometry | 21 | 664 | 37 | 55 |
| 955 | Breeding | 16 | 664 | 443 | 361 |
| 957 | Queer Studies | 14 | 660 | 40 | 34 |
| 958 | Comparative Physiology | 27 | 654 | 167 | 237 |
| 958 | Government policy | 9 | 654 | 53 | 35 |
| 960 | Automation | 21 | 650 | 848 | 911 |
| 961 | Sexuality | 31 | 649 | 25 | 30 |
| 962 | Geographic information systems | 35 | 644 | 119 | 148 |
| 962 | Radiotherapy | 40 | 644 | 49 | 38 |
| 964 | Systems Engineering | 17 | 640 | 839 | 642 |
| 964 | Health Information Management | 2 | 640 | 431 | 165 |
| 966 | Antigens | 27 | 637 | 151 | 214 |
| 967 | Housing | 25 | 636 | 59 | 100 |
| 968 | pain management | 13 | 635 | 198 | 133 |
| 969 | Vision | 22 | 630 | 198 | 257 |
| 970 | Cell survival | 7 | 628 | 58 | 25 |
| 970 | molecular chaperones | 7 | 628 | 75 | 25 |
| 972 | environmental indicators | 11 | 627 | 508 | 376 |
| 973 | Androgens | 15 | 626 | 41 | 52 |
| 974 | vitamins | 10 | 615 | 19 | 13 |
| 975 | Occupational exposure | 33 | 614 | 4 | 3 |
| 976 | Healing | 10 | 611 | 16 | 4 |
| 977 | animals | 14 | 607 | 481 | 234 |
| 977 | tomography | 29 | 607 | 43 | 51 |
| 979 | language therapy | 24 | 604 | 16 | 20 |
| 980 | International security | 7 | 601 | 116 | 83 |
| 981 | Elementary particles | 4 | 598 | 126 | 76 |
| 982 | Functional Analysis | 20 | 597 | 489 | 324 |
| 983 | Greenhouse gases | 3 | 596 | 274 | 100 |
| 984 | thinking | 11 | 593 | 70 | 46 |
| 985 | agricultural policy | 12 | 588 | 59 | 75 |
| 986 | Genetic markers | 20 | 587 | 7 | 8 |
| 987 | Aquatic ecology | 12 | 585 | 398 | 220 |
| 988 | Antibodies | 23 | 583 | 111 | 159 |
| 989 | Photography | 69 | 582 | 239 | 130 |
| 989 | Neuroimaging | 34 | 582 | 23 | 52 |
| 989 | local government | 25 | 582 | 31 | 67 |
| 989 | data collection | 13 | 582 | 25 | 48 |
| 993 | Composite Materials | 11 | 578 | 1,429 | 1,228 |
| 994 | Epigenetics | 18 | 577 | 7 | 7 |
| 994 | Epigenomics | 18 | 577 | 7 | 6 |
| 994 | Marriage counseling | 11 | 577 | 105 | 73 |
| 997 | Rural Development | 8 | 575 | 231 | 125 |
| 998 | Computer Science | 28 | 572 | 450 | 411 |
| 999 | Synaptic Transmission | 4 | 570 | 369 | 120 |
| 1000 | administrative agencies | 10 | 566 | 118 | 50 |