| 1 | Neurology | 1,200 | 103.1K | 116 | 89 |
| 2 | Medicine | 1,859 | 88.9K | 145 | 163 |
| 3 | Science | 1,022 | 80.7K | 313 | 331 |
| 4 | Biology | 916 | 67.5K | 328 | 377 |
| 5 | Biochemistry | 1,267 | 61.3K | 286 | 237 |
| 6 | Physics | 405 | 54.0K | 858 | 508 |
| 7 | Molecular Biology | 772 | 52.6K | 311 | 266 |
| 8 | Chemistry | 623 | 36.6K | 633 | 521 |
| 9 | Natural history | 110 | 36.4K | 459 | 350 |
| 10 | management | 127 | 35.3K | 322 | 48 |
| 11 | Public Health | 622 | 33.4K | 141 | 105 |
| 12 | Research | 754 | 28.4K | 294 | 302 |
| 13 | United States | 944 | 26.7K | 100 | 100 |
| 14 | Neurophysiology | 287 | 26.1K | 160 | 112 |
| 15 | Cytology | 305 | 25.6K | 301 | 265 |
| 16 | Pharmacology | 557 | 24.2K | 185 | 135 |
| 17 | Cell Biology | 272 | 23.3K | 289 | 283 |
| 18 | Endocrinology | 352 | 22.9K | 127 | 129 |
| 19 | Economics | 485 | 22.6K | 101 | 85 |
| 20 | Hematology | 365 | 20.2K | 170 | 145 |
| 21 | Political Science | 272 | 20.0K | 47 | 18 |
| 22 | Microbiology | 329 | 20.0K | 478 | 424 |
| 23 | Psychology | 467 | 17.7K | 204 | 198 |
| 24 | commerce | 76 | 17.7K | 71 | 21 |
| 25 | Neurochemistry | 219 | 17.5K | 114 | 47 |
| 26 | Business | 64 | 17.1K | 254 | 32 |
| 27 | Cancer | 451 | 16.5K | 114 | 193 |
| 28 | Immunology | 340 | 16.2K | 237 | 282 |
| 29 | Virology | 209 | 15.9K | 226 | 287 |
| 30 | Oncology | 198 | 15.8K | 81 | 86 |
| 31 | Brain | 278 | 15.8K | 131 | 110 |
| 32 | nucleic acids | 88 | 15.4K | 210 | 106 |
| 33 | Nervous system | 115 | 15.2K | 214 | 95 |
| 34 | Physiology | 304 | 14.7K | 233 | 204 |
| 35 | Psychiatry | 281 | 13.3K | 262 | 286 |
| 36 | Biophysics | 369 | 12.4K | 382 | 368 |
| 37 | Human genetics | 67 | 11.5K | 400 | 418 |
| 38 | Child Development | 160 | 11.4K | 130 | 82 |
| 39 | Hypertension | 196 | 11.2K | 78 | 108 |
| 40 | Cardiovascular system | 163 | 11.2K | 93 | 121 |
| 41 | Pediatrics | 227 | 10.9K | 122 | 130 |
| 42 | Neurons | 43 | 10.7K | 105 | 99 |
| 43 | Pharmaceutical Chemistry | 229 | 10.7K | 238 | 192 |
| 44 | Behavior | 217 | 10.4K | 177 | 188 |
| 45 | organization | 35 | 10.0K | 124 | 36 |
| 46 | Toxicology | 251 | 9.9K | 267 | 239 |
| 47 | Social Sciences | 280 | 9.8K | 98 | 61 |
| 48 | Neurobiology | 151 | 9.7K | 114 | 128 |
| 49 | transport vesicles | 2 | 9.5K | 313 | 171 |
| 50 | Oncogenes | 123 | 9.2K | 52 | 65 |
| 51 | Surgery | 118 | 9.2K | 174 | 190 |
| 52 | Genetics | 137 | 8.8K | 400 | 432 |
| 53 | Computational Biology | 92 | 8.8K | 271 | 157 |
| 54 | Medical genetics | 127 | 8.7K | 327 | 301 |
| 55 | Metabolism | 128 | 8.6K | 300 | 252 |
| 56 | Bioinformatics | 76 | 8.3K | 231 | 134 |
| 57 | Clinical Chemistry | 167 | 7.9K | 168 | 142 |
| 58 | Metabolic diseases | 102 | 7.9K | 267 | 233 |
| 59 | Psychophysiology | 153 | 7.8K | 281 | 267 |
| 60 | drug therapy | 208 | 7.5K | 96 | 106 |
| 61 | Therapeutics | 208 | 7.5K | 40 | 75 |
| 62 | Ecology | 187 | 7.4K | 691 | 804 |
| 63 | Epidemiology | 192 | 7.4K | 265 | 247 |
| 64 | Biomedical Engineering | 66 | 7.1K | 985 | 356 |
| 65 | Sociology | 172 | 7.0K | 193 | 171 |
| 66 | Memory | 218 | 6.8K | 67 | 101 |
| 67 | marketing | 68 | 6.7K | 204 | 125 |
| 68 | Liver diseases | 107 | 6.6K | 110 | 154 |
| 69 | Statistics | 111 | 6.5K | 313 | 154 |
| 70 | Linguistics | 144 | 6.5K | 77 | 42 |
| 71 | Immunogenetics | 121 | 6.4K | 8 | 10 |
| 72 | Social Psychology | 120 | 6.4K | 203 | 197 |
| 73 | Antigens | 123 | 6.4K | 14 | 15 |
| 74 | Neuropsychology | 99 | 6.4K | 244 | 141 |
| 75 | Medical Ethics | 409 | 6.3K | 3 | 5 |
| 76 | Medical Microbiology | 105 | 6.2K | 211 | 210 |
| 77 | Attention | 207 | 6.2K | 63 | 76 |
| 78 | Perception | 207 | 6.2K | 88 | 104 |
| 79 | Visual Perception | 208 | 6.2K | 60 | 72 |
| 80 | Condensed Matter | 205 | 6.1K | 494 | 471 |
| 81 | Solid State Physics | 197 | 5.9K | 533 | 494 |
| 82 | Cognitive neuroscience | 53 | 5.8K | 144 | 95 |
| 83 | Child psychology | 100 | 5.8K | 161 | 156 |
| 84 | International Relations | 279 | 5.7K | 6 | 13 |
| 85 | Production Management | 63 | 5.7K | 81 | 59 |
| 86 | Mental Disorders | 179 | 5.7K | 211 | 325 |
| 87 | Bioethics | 281 | 5.6K | 6 | 4 |
| 88 | Pediatric Neurology | 42 | 5.6K | 171 | 124 |
| 89 | Dermatology | 202 | 5.6K | 76 | 109 |
| 90 | Urology | 137 | 5.6K | 137 | 130 |
| 91 | Nutrition | 153 | 5.6K | 389 | 443 |
| 92 | Medical Oncology | 150 | 5.4K | 106 | 138 |
| 93 | Economic History | 211 | 5.4K | 145 | 110 |
| 94 | Organic Chemistry | 171 | 5.4K | 229 | 247 |
| 95 | arthritis | 83 | 5.3K | 131 | 120 |
| 96 | Pathology | 97 | 5.2K | 263 | 233 |
| 97 | preventive medicine | 112 | 5.2K | 59 | 70 |
| 98 | human behavior | 86 | 5.1K | 283 | 286 |
| 99 | Operations Research | 63 | 5.0K | 329 | 125 |
| 100 | Genetic therapy | 84 | 4.9K | 70 | 51 |
| 101 | Developing countries | 150 | 4.9K | 78 | 86 |
| 102 | viruses | 82 | 4.8K | 197 | 202 |
| 103 | language | 133 | 4.8K | 24 | 29 |
| 104 | Surface Chemistry | 132 | 4.7K | 448 | 433 |
| 105 | Obstetrics | 156 | 4.7K | 149 | 163 |
| 106 | Cognition | 80 | 4.7K | 229 | 173 |
| 107 | International security | 45 | 4.7K | 8 | 6 |
| 108 | Developmental Psychology | 83 | 4.6K | 93 | 95 |
| 109 | Cell differentiation | 67 | 4.5K | 259 | 296 |
| 110 | Growth | 39 | 4.4K | 253 | 202 |
| 111 | Reproduction | 90 | 4.4K | 268 | 186 |
| 112 | Immunity | 41 | 4.3K | 461 | 438 |
| 113 | Aging | 131 | 4.2K | 267 | 281 |
| 114 | genome | 38 | 4.2K | 310 | 253 |
| 115 | Economic Development | 107 | 4.2K | 77 | 113 |
| 116 | finance | 61 | 4.1K | 337 | 140 |
| 117 | fertility | 64 | 4.0K | 107 | 89 |
| 118 | Decision making | 43 | 4.0K | 195 | 77 |
| 119 | Ophthalmology | 73 | 4.0K | 235 | 164 |
| 120 | Mental illness | 72 | 4.0K | 269 | 262 |
| 121 | alcoholism | 99 | 4.0K | 137 | 118 |
| 122 | Environment | 68 | 4.0K | 931 | 1006 |
| 123 | Biotechnology | 79 | 4.0K | 1231 | 1105 |
| 124 | Post-traumatic stress disorder | 46 | 4.0K | 80 | 37 |
| 125 | Health promotion | 136 | 3.9K | 60 | 90 |
| 126 | Infertility | 59 | 3.9K | 110 | 87 |
| 127 | Materials | 73 | 3.9K | 1531 | 1126 |
| 128 | Developmental Biology | 62 | 3.9K | 357 | 351 |
| 129 | Rheumatology | 59 | 3.9K | 140 | 108 |
| 130 | Mathematics | 183 | 3.9K | 847 | 546 |
| 131 | Animal Behavior | 55 | 3.9K | 360 | 271 |
| 132 | Nuclear non-proliferation | 31 | 3.9K | 3 | 2 |
| 133 | Bioorganic chemistry | 122 | 3.8K | 234 | 287 |
| 134 | Geriatrics | 183 | 3.8K | 208 | 291 |
| 135 | economic policy | 129 | 3.8K | 108 | 88 |
| 136 | carcinogens | 73 | 3.7K | 48 | 43 |
| 137 | Nanotechnology | 98 | 3.7K | 946 | 969 |
| 138 | Cognitive Science | 47 | 3.7K | 190 | 135 |
| 139 | gene therapy | 50 | 3.6K | 119 | 82 |
| 140 | Second Language Acquisition | 37 | 3.6K | 5 | 1 |
| 141 | Hormones | 67 | 3.6K | 104 | 87 |
| 142 | Health Policy | 165 | 3.6K | 108 | 166 |
| 143 | Colloids | 83 | 3.5K | 700 | 619 |
| 144 | Ethology | 47 | 3.5K | 300 | 251 |
| 145 | Genomics | 84 | 3.4K | 407 | 384 |
| 146 | Diabetes | 57 | 3.4K | 357 | 347 |
| 147 | Psycholinguistics | 80 | 3.4K | 88 | 100 |
| 148 | proteins | 75 | 3.4K | 233 | 200 |
| 149 | Obesity | 67 | 3.4K | 278 | 259 |
| 150 | Entrepreneurship | 15 | 3.3K | 296 | 108 |
| 151 | Communication | 85 | 3.3K | 213 | 197 |
| 152 | drug addiction | 69 | 3.3K | 139 | 114 |
| 153 | Cerebral cortex | 43 | 3.2K | 147 | 119 |
| 154 | Social problems | 38 | 3.2K | 51 | 30 |
| 155 | Environmental Health | 92 | 3.2K | 769 | 905 |
| 156 | Radiobiology | 103 | 3.2K | 127 | 172 |
| 157 | Proteome | 61 | 3.2K | 94 | 96 |
| 158 | Statistical physics | 92 | 3.2K | 720 | 558 |
| 159 | mutagens | 55 | 3.2K | 50 | 47 |
| 160 | medical education | 139 | 3.1K | 131 | 160 |
| 161 | Carcinogenesis | 60 | 3.1K | 58 | 47 |
| 162 | Child | 222 | 3.1K | 90 | 212 |
| 163 | international trade | 87 | 3.1K | 6 | 29 |
| 164 | Public Administration | 93 | 3.1K | 105 | 79 |
| 165 | Transplantation | 96 | 3.1K | 111 | 168 |
| 166 | Smoking | 97 | 3.0K | 46 | 56 |
| 167 | Demography | 51 | 3.0K | 64 | 47 |
| 168 | Steroids | 51 | 2.9K | 100 | 36 |
| 169 | Medical Anthropology | 64 | 2.9K | 143 | 168 |
| 170 | Psychopharmacology | 49 | 2.8K | 252 | 259 |
| 171 | Health Education | 101 | 2.8K | 170 | 170 |
| 172 | Hemodynamics | 55 | 2.7K | 55 | 83 |
| 173 | peace | 57 | 2.7K | 24 | 32 |
| 174 | health behavior | 118 | 2.7K | 54 | 94 |
| 175 | cell physiology | 46 | 2.6K | 257 | 271 |
| 176 | free radicals | 24 | 2.6K | 340 | 198 |
| 177 | Diabetes mellitus | 52 | 2.6K | 339 | 400 |
| 177 | Health | 115 | 2.6K | 153 | 223 |
| 179 | Signal Transduction | 43 | 2.5K | 185 | 191 |
| 179 | Electrochemistry | 122 | 2.5K | 548 | 617 |
| 181 | rehabilitation | 82 | 2.5K | 224 | 260 |
| 182 | Nuclear Physics | 95 | 2.5K | 1050 | 985 |
| 183 | Substance Abuse | 55 | 2.5K | 223 | 137 |
| 184 | behavioral medicine | 108 | 2.5K | 64 | 184 |
| 185 | Social Issues | 36 | 2.5K | 10 | 5 |
| 186 | Immune system | 13 | 2.5K | 428 | 309 |
| 187 | Embryology | 35 | 2.5K | 420 | 344 |
| 188 | Health Services Administration | 79 | 2.4K | 53 | 56 |
| 189 | Women's health | 91 | 2.4K | 64 | 65 |
| 190 | Analytical Chemistry | 53 | 2.4K | 1193 | 900 |
| 191 | Nursing | 140 | 2.4K | 67 | 90 |
| 192 | Econometrics | 62 | 2.4K | 165 | 191 |
| 193 | Materials Science | 46 | 2.4K | 1370 | 1042 |
| 194 | Europe | 110 | 2.4K | 314 | 335 |
| 195 | Analytical Biochemistry | 46 | 2.3K | 209 | 135 |
| 196 | Medical Physics | 42 | 2.3K | 406 | 274 |
| 197 | Education | 147 | 2.3K | 361 | 423 |
| 198 | Pollution | 42 | 2.3K | 1552 | 1425 |
| 199 | gene mapping | 48 | 2.3K | 313 | 354 |
| 200 | Adolescent | 202 | 2.3K | 92 | 217 |
| 201 | Group decision making | 10 | 2.3K | 180 | 9 |
| 202 | Public Choice | 8 | 2.3K | 157 | 6 |
| 203 | Cytogenetics | 25 | 2.3K | 430 | 332 |
| 204 | personality | 39 | 2.3K | 327 | 281 |
| 205 | Anatomy | 49 | 2.3K | 376 | 332 |
| 206 | brain mapping | 32 | 2.2K | 123 | 96 |
| 207 | Sleep Disorders | 40 | 2.2K | 344 | 216 |
| 208 | Public Policy | 81 | 2.2K | 146 | 180 |
| 209 | Sleep | 38 | 2.2K | 365 | 223 |
| 210 | Genetic engineering | 47 | 2.2K | 331 | 339 |
| 211 | Engineering | 26 | 2.2K | 1570 | 468 |
| 212 | Philosophy | 160 | 2.2K | 113 | 86 |
| 213 | Emergency Medicine | 157 | 2.2K | 56 | 111 |
| 213 | innovation | 13 | 2.2K | 184 | 97 |
| 215 | Virulence | 25 | 2.2K | 320 | 288 |
| 216 | Cell death | 32 | 2.1K | 261 | 269 |
| 217 | Artificial Intelligence | 33 | 2.1K | 1196 | 671 |
| 218 | Alzheimer's disease | 79 | 2.1K | 234 | 170 |
| 219 | Dementia | 78 | 2.1K | 224 | 142 |
| 220 | Venture Capital | 8 | 2.1K | 104 | 73 |
| 221 | Immunotherapy | 43 | 2.0K | 315 | 381 |
| 222 | Oxidation-reduction | 20 | 2.0K | 172 | 129 |
| 223 | economic conditions | 32 | 2.0K | 79 | 40 |
| 224 | Medical Technology | 30 | 2.0K | 296 | 125 |
| 225 | Stem cells | 47 | 2.0K | 270 | 290 |
| 226 | infection | 21 | 2.0K | 520 | 242 |
| 227 | Economic Thought | 30 | 1.9K | 20 | 36 |
| 228 | Social policy | 54 | 1.9K | 72 | 41 |
| 229 | Pharmacogenetics | 55 | 1.9K | 62 | 90 |
| 230 | Chromosome mapping | 40 | 1.9K | 329 | 314 |
| 231 | Biocompatible Materials | 33 | 1.9K | 1229 | 1112 |
| 232 | international cooperation | 40 | 1.9K | 46 | 41 |
| 233 | Electrochemical Analysis | 79 | 1.9K | 103 | 148 |
| 234 | Medical Laboratory Science | 36 | 1.9K | 468 | 439 |
| 235 | Hemophilia | 64 | 1.9K | 31 | 35 |
| 236 | Diet | 54 | 1.9K | 358 | 489 |
| 237 | Ethics | 137 | 1.8K | 6 | 31 |
| 238 | Molecular Pharmacology | 28 | 1.8K | 123 | 90 |
| 239 | Antioxidants | 19 | 1.8K | 151 | 117 |
| 240 | Genetic regulation | 27 | 1.7K | 253 | 271 |
| 241 | Astrocytes | 17 | 1.7K | 123 | 70 |
| 242 | Small Business | 10 | 1.7K | 335 | 160 |
| 243 | Bioengineering | 41 | 1.7K | 1130 | 1276 |
| 244 | Otolaryngology | 62 | 1.7K | 56 | 59 |
| 244 | Speech Disorders | 43 | 1.7K | 192 | 148 |
| 246 | warfare | 26 | 1.7K | 43 | 34 |
| 247 | Clinical Psychology | 44 | 1.7K | 270 | 370 |
| 248 | War and Society | 23 | 1.6K | 36 | 34 |
| 249 | Research Design | 54 | 1.6K | 126 | 197 |
| 250 | Child welfare | 59 | 1.6K | 99 | 79 |
| 251 | Sociolinguistics | 38 | 1.6K | 27 | 18 |
| 252 | Speech | 48 | 1.6K | 127 | 132 |
| 253 | Radiation | 58 | 1.6K | 277 | 238 |
| 254 | Clinical Biochemistry | 40 | 1.6K | 149 | 138 |
| 255 | Psychosomatic Medicine | 50 | 1.6K | 77 | 119 |
| 255 | Entomology | 41 | 1.6K | 562 | 323 |
| 257 | environmental pollution | 28 | 1.6K | 1526 | 1261 |
| 258 | Primary health care | 59 | 1.6K | 222 | 206 |
| 259 | Polymers | 68 | 1.6K | 1092 | 1127 |
| 260 | Crystal growth | 39 | 1.6K | 122 | 84 |
| 261 | violence | 43 | 1.6K | 133 | 124 |
| 262 | blood transfusion | 71 | 1.6K | 68 | 70 |
| 263 | Jurisprudence | 97 | 1.6K | 33 | 51 |
| 264 | Business Ethics | 41 | 1.5K | 65 | 192 |
| 265 | Organizational Behavior | 25 | 1.5K | 112 | 121 |
| 266 | Applied Linguistics | 27 | 1.5K | 83 | 21 |
| 267 | Social behavior | 35 | 1.5K | 214 | 221 |
| 268 | Gerontology | 98 | 1.5K | 217 | 280 |
| 269 | conflict management | 35 | 1.5K | 10 | 19 |
| 270 | Inflammation | 17 | 1.5K | 412 | 199 |
| 271 | Infections | 12 | 1.5K | 485 | 248 |
| 272 | child abuse | 17 | 1.4K | 246 | 124 |
| 273 | International Finance | 61 | 1.4K | 125 | 208 |
| 274 | national security | 70 | 1.4K | 2 | 14 |
| 275 | Neurolinguistics | 33 | 1.4K | 45 | 58 |
| 276 | Medical innovations | 15 | 1.4K | 326 | 328 |
| 277 | Lipids | 17 | 1.4K | 437 | 259 |
| 278 | older people | 88 | 1.4K | 171 | 162 |
| 279 | Developmental Disabilities | 22 | 1.4K | 270 | 208 |
| 280 | Health insurance | 42 | 1.4K | 59 | 85 |
| 281 | Nonlinear Dynamics | 26 | 1.4K | 794 | 500 |
| 282 | Radiography | 50 | 1.4K | 112 | 214 |
| 283 | Physical Chemistry | 39 | 1.4K | 573 | 570 |
| 284 | Homeostasis | 5 | 1.4K | 304 | 297 |
| 284 | Cell metabolism | 5 | 1.4K | 476 | 300 |
| 286 | Neurotransmitters | 11 | 1.4K | 173 | 50 |
| 287 | Chronic diseases | 25 | 1.4K | 145 | 175 |
| 288 | Physical Therapy | 36 | 1.4K | 248 | 248 |
| 289 | Molecular structure | 22 | 1.4K | 814 | 511 |
| 290 | Histocompatibility Testing | 55 | 1.3K | 12 | 22 |
| 290 | drug development | 16 | 1.3K | 304 | 311 |
| 292 | Data Mining | 27 | 1.3K | 278 | 306 |
| 292 | government | 77 | 1.3K | 48 | 85 |
| 294 | Diagnostic microbiology | 17 | 1.3K | 473 | 457 |
| 295 | Development | 49 | 1.3K | 62 | 135 |
| 296 | Politics | 76 | 1.3K | 29 | 62 |
| 297 | Chemotherapy | 39 | 1.3K | 241 | 221 |
| 298 | Communication in medicine | 34 | 1.3K | 78 | 66 |
| 299 | Reproductive toxicology | 40 | 1.3K | 17 | 45 |
| 300 | pain | 42 | 1.3K | 233 | 327 |
| 301 | Health Services Research | 42 | 1.3K | 286 | 275 |
| 301 | Kidney diseases | 35 | 1.3K | 141 | 144 |
| 303 | Allergy | 35 | 1.2K | 237 | 484 |
| 304 | counseling | 39 | 1.2K | 246 | 213 |
| 305 | Chromosomes | 16 | 1.2K | 325 | 186 |
| 306 | strategy | 182 | 1.2K | 1 | 4 |
| 307 | data collection | 17 | 1.2K | 229 | 246 |
| 308 | Patient education | 30 | 1.2K | 100 | 106 |
| 309 | Histology | 32 | 1.2K | 469 | 471 |
| 310 | Wildlife conservation | 14 | 1.2K | 471 | 323 |
| 310 | terrorism | 79 | 1.2K | 1 | 2 |
| 312 | Nephrology | 28 | 1.2K | 111 | 122 |
| 313 | Community Psychiatry | 39 | 1.2K | 148 | 195 |
| 314 | Molecular Microbiology | 26 | 1.2K | 234 | 323 |
| 315 | Animal ecology | 32 | 1.2K | 282 | 276 |
| 316 | drugs | 43 | 1.1K | 385 | 408 |
| 317 | Andrology | 28 | 1.1K | 94 | 60 |
| 318 | Androgens | 27 | 1.1K | 15 | 22 |
| 319 | Catalysis | 33 | 1.1K | 1333 | 1400 |
| 320 | Orthopedics | 53 | 1.1K | 266 | 353 |
| 321 | Welfare Economics | 18 | 1.1K | 89 | 55 |
| 322 | Evolution | 31 | 1.1K | 514 | 623 |
| 323 | mathematical analysis | 90 | 1.1K | 313 | 339 |
| 324 | Community Psychology | 16 | 1.1K | 162 | 124 |
| 325 | complementary therapies | 53 | 1.1K | 190 | 249 |
| 326 | mutation | 13 | 1.1K | 188 | 111 |
| 327 | Vaccines | 42 | 1.1K | 372 | 450 |
| 328 | Neurotoxicology | 26 | 1.1K | 52 | 60 |
| 329 | epilepsy | 37 | 1.1K | 132 | 143 |
| 330 | Environmental Toxicology | 18 | 1.1K | 867 | 680 |
| 331 | cloning | 12 | 1.1K | 251 | 211 |
| 332 | Proteomics | 28 | 1.1K | 184 | 232 |
| 333 | Technology | 20 | 1.1K | 1675 | 960 |
| 334 | Radiology | 68 | 1.1K | 146 | 203 |
| 335 | Food | 20 | 1.1K | 1161 | 879 |
| 336 | Bacteriology | 35 | 1.1K | 481 | 686 |
| 337 | world | 37 | 1.0K | 76 | 182 |
| 338 | Reading | 4 | 1.0K | 473 | 86 |
| 339 | Economic Assistance | 41 | 1.0K | 55 | 158 |
| 340 | Neuropharmacology | 26 | 1.0K | 71 | 66 |
| 341 | Discourse Analysis | 35 | 1.0K | 9 | 24 |
| 342 | health services | 55 | 1.0K | 110 | 158 |
| 343 | Radiation Oncology | 19 | 1.0K | 51 | 28 |
| 344 | Digestive system diseases | 29 | 1.0K | 200 | 161 |
| 345 | consumer behavior | 21 | 1.0K | 78 | 99 |
| 346 | Mental Health Services | 56 | 1.0K | 153 | 207 |
| 347 | Clinical Pharmacology | 21 | 1.0K | 430 | 276 |
| 348 | Neuroimmunology | 27 | 1.0K | 100 | 176 |
| 349 | Political Psychology | 32 | 1.0K | 33 | 72 |
| 350 | Microeconomics | 25 | 997 | 37 | 56 |
| 351 | Clinical Trials | 44 | 994 | 62 | 68 |
| 352 | Teratology | 20 | 993 | 51 | 49 |
| 353 | Critical Care | 33 | 991 | 364 | 627 |
| 354 | Contraception | 32 | 981 | 87 | 87 |
| 354 | Vocational guidance | 11 | 981 | 366 | 234 |
| 356 | Hydrology | 7 | 980 | 1758 | 681 |
| 357 | Societies | 55 | 973 | 4 | 4 |
| 358 | Mycology | 40 | 970 | 308 | 426 |
| 359 | Socialization | 12 | 965 | 187 | 108 |
| 360 | Gene expression regulation | 20 | 958 | 257 | 299 |
| 361 | Biodiversity | 24 | 954 | 670 | 665 |
| 362 | Critical Care Medicine | 26 | 947 | 433 | 641 |
| 362 | human development | 26 | 947 | 163 | 182 |
| 364 | Membranes | 19 | 945 | 674 | 629 |
| 365 | General Surgery | 51 | 944 | 100 | 96 |
| 366 | Molecular Genetics | 32 | 941 | 478 | 647 |
| 367 | Maternal health services | 31 | 936 | 47 | 44 |
| 367 | Sales management | 6 | 936 | 109 | 89 |
| 367 | selling | 6 | 936 | 109 | 89 |
| 370 | Apoptosis | 23 | 935 | 19 | 16 |
| 370 | neurotoxins | 23 | 935 | 19 | 16 |
| 370 | Neurotoxic agents | 23 | 935 | 19 | 16 |
| 370 | Nerve regeneration | 23 | 935 | 19 | 16 |
| 374 | immigration | 20 | 931 | 16 | 29 |
| 374 | migration policy | 20 | 931 | 22 | 29 |
| 374 | Asylum seeker | 20 | 931 | 16 | 29 |
| 377 | Botany | 12 | 921 | 2156 | 1448 |
| 378 | sex crimes | 13 | 920 | 225 | 73 |
| 379 | Learning | 19 | 911 | 435 | 379 |
| 380 | civil service | 21 | 909 | 57 | 51 |
| 381 | Lipid metabolism | 7 | 904 | 206 | 76 |
| 381 | Lipid | 7 | 904 | 206 | 76 |
| 381 | polymerization | 41 | 904 | 1212 | 1281 |
| 384 | Development Economics | 15 | 895 | 79 | 60 |
| 385 | Zoology | 26 | 893 | 877 | 597 |
| 386 | Marine mammals | 15 | 880 | 64 | 33 |
| 387 | social conflict | 49 | 872 | 2 | 1 |
| 388 | Quality of life | 26 | 868 | 299 | 368 |
| 389 | Mental Health | 31 | 862 | 362 | 313 |
| 390 | Environmental Policy | 54 | 859 | 535 | 1238 |
| 391 | biological evolution | 24 | 850 | 684 | 845 |
| 392 | Alternative Medicine | 27 | 845 | 402 | 325 |
| 393 | nanoscience | 30 | 844 | 964 | 1162 |
| 394 | Adolescent Medicine | 25 | 825 | 106 | 264 |
| 395 | Elderly | 65 | 824 | 174 | 114 |
| 396 | Host-parasite interactions | 17 | 821 | 434 | 619 |
| 397 | Diagnostic Imaging | 22 | 817 | 631 | 559 |
| 398 | Thrombosis | 21 | 815 | 316 | 317 |
| 399 | Humanities | 51 | 813 | 109 | 91 |
| 400 | Liquid chromatography | 24 | 793 | 48 | 10 |
| 401 | Audiology | 19 | 790 | 246 | 185 |
| 402 | Sports Medicine | 51 | 789 | 497 | 683 |
| 403 | psychotherapy | 29 | 787 | 353 | 424 |
| 404 | Magnetic Resonance Spectroscopy | 26 | 770 | 348 | 284 |
| 405 | health services accessibility | 45 | 768 | 89 | 174 |
| 406 | nuclear magnetic resonance | 29 | 758 | 301 | 284 |
| 407 | Parasitology | 24 | 754 | 829 | 699 |
| 407 | United Kingdom | 36 | 754 | 351 | 575 |
| 409 | Biosensors | 5 | 752 | 996 | 543 |
| 409 | Bioelectronics | 5 | 752 | 856 | 477 |
| 411 | Recombinant DNA | 34 | 749 | 257 | 390 |
| 412 | Oxidative stress | 5 | 748 | 926 | 399 |
| 413 | Neuropsychiatry | 33 | 743 | 147 | 231 |
| 413 | Molecular evolution | 16 | 743 | 566 | 567 |
| 415 | administrative agencies | 18 | 738 | 51 | 29 |
| 416 | Energy Policy | 15 | 734 | 1147 | 1128 |
| 416 | energy resources | 15 | 734 | 481 | 615 |
| 418 | Genetic Counseling | 31 | 731 | 35 | 33 |
| 419 | Biometrics | 52 | 727 | 158 | 289 |
| 420 | biopolymers | 24 | 725 | 355 | 364 |
| 421 | Religion | 98 | 720 | 35 | 26 |
| 422 | Anthropology | 85 | 719 | 168 | 314 |
| 423 | Culture | 51 | 717 | 130 | 140 |
| 424 | Water | 4 | 715 | 2160 | 1134 |
| 425 | Conservation Biology | 5 | 713 | 889 | 390 |
| 426 | Global Health | 64 | 712 | 61 | 137 |
| 427 | Yeast | 26 | 711 | 48 | 93 |
| 428 | water supply | 2 | 707 | 1120 | 342 |
| 429 | Organometallic compounds | 13 | 706 | 578 | 351 |
| 430 | vascular diseases | 9 | 705 | 353 | 259 |
| 431 | adolescence | 27 | 702 | 212 | 293 |
| 432 | ethnicity | 39 | 699 | 62 | 49 |
| 433 | Nuclear Medicine | 10 | 698 | 530 | 314 |
| 434 | Electrophoresis | 41 | 697 | 249 | 444 |
| 435 | Spine | 15 | 696 | 259 | 249 |
| 436 | Microbial Ecology | 24 | 690 | 772 | 1127 |
| 437 | Forecasting | 25 | 683 | 50 | 94 |
| 438 | Meteorology | 21 | 675 | 810 | 980 |
| 438 | Leukemia | 21 | 675 | 356 | 524 |
| 440 | Neurosurgery | 15 | 674 | 377 | 337 |
| 440 | Molecular cloning | 32 | 674 | 240 | 398 |
| 440 | Genetic recombination | 32 | 674 | 236 | 395 |
| 443 | health workforce | 5 | 667 | 104 | 30 |
| 444 | Soft Condensed Matter | 24 | 662 | 332 | 355 |
| 445 | Insects | 10 | 661 | 814 | 376 |
| 446 | miniaturization | 16 | 658 | 770 | 868 |
| 447 | glycoproteins | 25 | 656 | 68 | 132 |
| 447 | Glycoconjugates | 25 | 656 | 68 | 132 |
| 447 | glycolipids | 25 | 656 | 68 | 132 |
| 450 | Risk | 20 | 651 | 109 | 159 |
| 451 | Genetic Toxicology | 6 | 649 | 269 | 117 |
| 452 | Respiration | 18 | 648 | 529 | 539 |
| 453 | Hospitals | 32 | 646 | 112 | 141 |
| 453 | Spectrum analysis | 37 | 646 | 1283 | 1616 |
| 455 | Microelectronics | 16 | 640 | 815 | 778 |
| 455 | Biological Systems | 5 | 640 | 550 | 100 |
| 457 | Electronics | 19 | 636 | 1627 | 1195 |
| 458 | Metastasis | 7 | 631 | 57 | 74 |
| 458 | Emotions | 17 | 631 | 183 | 232 |
| 460 | Bioinorganic chemistry | 29 | 630 | 371 | 432 |
| 461 | Youth | 14 | 623 | 247 | 220 |
| 462 | health planning | 37 | 620 | 374 | 489 |
| 463 | Mathematical Physics | 29 | 618 | 1007 | 882 |
| 463 | Photochemistry | 33 | 618 | 330 | 516 |
| 465 | chronic disease | 19 | 617 | 69 | 69 |
| 466 | behavior therapy | 12 | 616 | 364 | 302 |
| 467 | Psychoneuroimmunology | 13 | 615 | 192 | 258 |
| 467 | Differential Equations | 24 | 615 | 220 | 182 |
| 469 | Microscopy | 9 | 611 | 907 | 351 |
| 470 | data protection | 29 | 609 | 20 | 51 |
| 471 | Social work | 59 | 607 | 182 | 304 |
| 472 | Political Sociology | 23 | 605 | 79 | 103 |
| 473 | disease outbreaks | 12 | 603 | 199 | 176 |
| 474 | Export Marketing | 7 | 599 | 70 | 44 |
| 475 | Molecular Imaging | 6 | 596 | 460 | 270 |
| 476 | Biopharmaceutics | 26 | 595 | 228 | 364 |
| 476 | Environmental monitoring | 14 | 595 | 1873 | 1802 |
| 478 | histological techniques | 14 | 593 | 221 | 259 |
| 479 | Diplomatic relations | 75 | 581 | 46 | 32 |
| 480 | Risk Management | 22 | 578 | 111 | 148 |
| 480 | Demographic research | 9 | 578 | 52 | 54 |
| 480 | enzymes | 20 | 578 | 473 | 558 |
| 483 | economic forecasting | 15 | 568 | 56 | 87 |
| 483 | Financial management | 16 | 568 | 106 | 152 |
| 485 | Law | 75 | 567 | 146 | 157 |
| 486 | protein | 15 | 563 | 516 | 469 |
| 486 | Epidemics | 7 | 563 | 300 | 189 |
| 488 | North America | 39 | 559 | 97 | 124 |
| 489 | cell interaction | 17 | 551 | 390 | 467 |
| 490 | Parenteral nutrition | 13 | 550 | 397 | 411 |
| 491 | Cognitive Therapy | 11 | 548 | 260 | 176 |
| 491 | gastrointestinal tract | 6 | 548 | 182 | 106 |
| 493 | Asthma | 24 | 545 | 104 | 121 |
| 494 | Molecular ecology | 19 | 543 | 392 | 588 |
| 494 | role | 6 | 543 | 259 | 139 |
| 496 | sex differences | 9 | 536 | 19 | 21 |
| 497 | Immunopharmacology | 20 | 535 | 231 | 280 |
| 498 | biochemical markers | 13 | 532 | 244 | 103 |
| 499 | consumers | 7 | 531 | 178 | 74 |
| 500 | Semantics | 10 | 529 | 66 | 31 |
| 500 | Schizophrenia | 21 | 529 | 335 | 484 |
| 502 | Evidence-Based Medicine | 17 | 526 | 380 | 252 |
| 503 | Cellular senescence | 3 | 522 | 829 | 283 |
| 504 | Information Systems | 22 | 521 | 306 | 398 |
| 505 | Sustainable Development | 18 | 520 | 612 | 779 |
| 505 | Government policy | 8 | 520 | 57 | 41 |
| 507 | Palliative Care | 25 | 519 | 190 | 207 |
| 508 | Forensic Psychiatry | 15 | 518 | 173 | 103 |
| 509 | negotiation | 17 | 510 | 5 | 6 |
| 510 | Developmental Genetics | 10 | 506 | 257 | 390 |
| 510 | Population | 30 | 506 | 186 | 290 |
| 512 | Neural circuitry | 13 | 502 | 878 | 791 |
| 513 | Immunochemistry | 19 | 497 | 235 | 257 |
| 514 | Biochemical Engineering | 11 | 496 | 1786 | 2158 |
| 515 | Geography | 20 | 495 | 812 | 853 |
| 516 | Geophysics | 25 | 492 | 1364 | 1642 |
| 517 | Electrophysiology | 34 | 491 | 186 | 274 |
| 518 | family violence | 11 | 490 | 162 | 124 |
| 519 | breastfeeding | 9 | 488 | 194 | 89 |
| 520 | Population Genetics | 18 | 487 | 460 | 612 |
| 520 | Parasitic Diseases | 14 | 487 | 940 | 885 |
| 522 | Autoimmunity | 15 | 481 | 251 | 349 |
| 523 | Pharmacy | 31 | 479 | 539 | 850 |
| 523 | Systems Biology | 27 | 479 | 346 | 555 |
| 525 | mental processes | 8 | 477 | 165 | 61 |
| 525 | drug abuse | 26 | 477 | 125 | 164 |
| 527 | Tropical Medicine | 36 | 476 | 335 | 542 |
| 528 | Dentistry | 32 | 475 | 114 | 137 |
| 529 | Law and Economics | 34 | 470 | 8 | 21 |
| 530 | Carbohydrates | 19 | 468 | 79 | 164 |
| 531 | Earth Sciences | 20 | 467 | 1319 | 1430 |
| 532 | sustainability | 9 | 466 | 381 | 403 |
| 533 | Diagnosis | 12 | 465 | 188 | 83 |
| 533 | Hematopoietic stem cell transplantation | 17 | 465 | 61 | 151 |
| 535 | Nanostructures | 10 | 464 | 1280 | 1028 |
| 536 | Ethnic relations | 21 | 462 | 100 | 81 |
| 537 | Pediatric Nursing | 17 | 461 | 92 | 73 |
| 538 | Clinical Immunology | 24 | 460 | 325 | 524 |
| 538 | exobiology | 17 | 460 | 69 | 129 |
| 540 | Industrial Policy | 16 | 459 | 105 | 141 |
| 540 | Heart Failure | 11 | 459 | 163 | 198 |
| 542 | Occupational Therapy | 26 | 457 | 213 | 156 |
| 543 | Probability | 16 | 454 | 170 | 190 |
| 544 | Environmental Microbiology | 6 | 451 | 958 | 771 |
| 545 | rare diseases | 6 | 449 | 417 | 228 |
| 546 | Educational Psychology | 18 | 443 | 520 | 563 |
| 547 | Renewable Energy Sources | 6 | 442 | 1981 | 1805 |
| 547 | Oligosaccharide | 18 | 442 | 52 | 140 |
| 549 | Geology | 8 | 441 | 2007 | 1320 |
| 550 | Pharmacogenomics | 9 | 435 | 87 | 82 |
| 551 | foreign policy | 44 | 434 | 31 | 12 |
| 552 | Language Acquisition | 16 | 433 | 116 | 126 |
| 552 | mycoses | 19 | 433 | 192 | 504 |
| 554 | Criminology | 30 | 429 | 221 | 293 |
| 554 | Public Health Administration | 28 | 429 | 84 | 81 |
| 556 | Geomorphology | 11 | 428 | 718 | 712 |
| 556 | Industrial Microbiology | 6 | 428 | 1443 | 1017 |
| 558 | Globalization | 23 | 423 | 65 | 128 |
| 558 | Student Health Services | 9 | 423 | 125 | 69 |
| 560 | Psychoanalysis | 56 | 422 | 38 | 53 |
| 561 | Planets | 14 | 421 | 762 | 930 |
| 562 | Australia | 23 | 419 | 491 | 555 |
| 563 | Drug design | 21 | 418 | 489 | 747 |
| 563 | soil microbiology | 5 | 418 | 1128 | 954 |
| 563 | industrial relations | 17 | 418 | 260 | 209 |
| 566 | analysis | 9 | 415 | 164 | 145 |
| 566 | Mechanics | 9 | 415 | 720 | 359 |
| 568 | foreign exchange | 15 | 414 | 55 | 123 |
| 569 | Vision | 6 | 413 | 456 | 320 |
| 570 | Fungi | 12 | 412 | 484 | 552 |
| 571 | DNA repair | 8 | 411 | 122 | 105 |
| 572 | Regional Planning | 11 | 406 | 783 | 584 |
| 573 | Developmental Toxicology | 7 | 405 | 17 | 15 |
| 573 | teratogens | 7 | 405 | 17 | 15 |
| 575 | Industrial Organization | 11 | 404 | 78 | 85 |
| 575 | Microorganisms | 5 | 404 | 789 | 621 |
| 577 | tomography | 11 | 402 | 128 | 79 |
| 578 | environmental exposure | 19 | 400 | 569 | 866 |
| 578 | Nonprofit organizations | 14 | 400 | 59 | 73 |
| 578 | biomedicine | 20 | 400 | 152 | 236 |
| 581 | Immunopathology | 21 | 397 | 429 | 646 |
| 581 | Democracy | 29 | 397 | 13 | 25 |
| 581 | Portfolio Management | 13 | 397 | 68 | 47 |
| 584 | Sexual health | 34 | 395 | 101 | 238 |
| 585 | Socioeconomic Factors | 14 | 394 | 229 | 249 |
| 585 | Light | 16 | 394 | 336 | 690 |
| 585 | prostaglandins | 28 | 394 | 51 | 130 |
| 588 | urban health | 5 | 393 | 172 | 97 |
| 589 | Bereavement | 3 | 390 | 171 | 17 |
| 590 | Rheology | 16 | 387 | 131 | 135 |
| 591 | Family | 22 | 385 | 259 | 325 |
| 592 | Parasites | 12 | 384 | 760 | 645 |
| 593 | Business communication | 28 | 383 | 11 | 25 |
| 594 | landscapes | 3 | 381 | 169 | 29 |
| 594 | disease susceptibility | 7 | 381 | 156 | 48 |
| 594 | cryosphere | 3 | 381 | 368 | 202 |
| 594 | symptoms | 7 | 381 | 156 | 48 |
| 598 | Birth control | 17 | 380 | 109 | 161 |
| 599 | Environmental Engineering | 11 | 376 | 2187 | 2100 |
| 599 | Cardiovascular diseases | 22 | 376 | 515 | 707 |
| 601 | Information Science | 36 | 375 | 493 | 1159 |
| 602 | Histochemistry | 11 | 373 | 507 | 399 |
| 603 | Ultrasonics | 12 | 371 | 492 | 565 |
| 604 | Program Evaluation | 7 | 369 | 29 | 19 |
| 604 | Communication in politics | 13 | 369 | 34 | 35 |
| 606 | Psychiatric Nursing | 42 | 368 | 42 | 147 |
| 606 | occupational diseases | 19 | 368 | 212 | 380 |
| 608 | healthcare disparities | 19 | 365 | 108 | 133 |
| 609 | Genes | 16 | 364 | 365 | 445 |
| 610 | Geriatric Psychiatry | 14 | 363 | 436 | 491 |
| 611 | Functional Genomics | 4 | 353 | 197 | 137 |
| 612 | Mass Media | 8 | 352 | 562 | 134 |
| 613 | Information Theory | 14 | 351 | 644 | 638 |
| 613 | Quantum Gravity | 9 | 351 | 1326 | 1109 |
| 615 | ecosystem | 6 | 350 | 904 | 823 |
| 616 | Mass Spectrometry | 15 | 348 | 506 | 546 |
| 617 | Asia | 30 | 347 | 622 | 847 |
| 618 | behavior modification | 3 | 346 | 361 | 242 |
| 619 | Reproductive health | 15 | 345 | 247 | 301 |
| 619 | Autism | 11 | 345 | 301 | 362 |
| 621 | Cognitive Behavioral Therapy | 4 | 342 | 180 | 78 |
| 621 | Bilingualism | 10 | 342 | 75 | 80 |
| 623 | Chromatographic analysis | 24 | 341 | 563 | 726 |
| 624 | Liposomes | 12 | 339 | 172 | 244 |
| 625 | Nutrition physiology | 10 | 337 | 315 | 362 |
| 626 | Neurovirology | 14 | 335 | 65 | 83 |
| 627 | Environmental pollutants | 11 | 331 | 1192 | 1286 |
| 627 | crime | 13 | 331 | 272 | 219 |
| 629 | Bioenergetics | 3 | 327 | 828 | 446 |
| 629 | Energy metabolism | 3 | 327 | 569 | 372 |
| 631 | actuators | 9 | 325 | 1306 | 1284 |
| 631 | transducers | 9 | 325 | 1306 | 1284 |
| 633 | nuclear magnetic resonance spectroscopy | 10 | 324 | 374 | 262 |
| 634 | Neuroimaging | 5 | 323 | 206 | 91 |
| 634 | Pharmacokinetics | 14 | 323 | 301 | 416 |
| 634 | ethnic groups | 10 | 323 | 127 | 96 |
| 637 | Lymphoma | 17 | 319 | 70 | 64 |
| 637 | Antibacterial agents | 8 | 319 | 359 | 345 |
| 637 | Multiple Myeloma | 17 | 319 | 67 | 53 |
| 637 | Investments | 16 | 319 | 90 | 94 |
| 641 | Game Theory | 13 | 316 | 210 | 181 |
| 642 | Democratization | 9 | 315 | 23 | 24 |
| 643 | Primates | 20 | 313 | 199 | 301 |
| 644 | Nanostructured Materials | 16 | 312 | 1552 | 1867 |
| 644 | Menopause | 12 | 312 | 85 | 91 |
| 646 | pollutants | 9 | 310 | 1082 | 1139 |
| 646 | population trends | 4 | 310 | 52 | 72 |
| 648 | Antiviral agents | 10 | 309 | 122 | 126 |
| 649 | Chromatography | 19 | 306 | 543 | 713 |
| 650 | disabilities | 7 | 305 | 431 | 288 |
| 651 | Neuroplasticity | 6 | 304 | 232 | 127 |
| 651 | neuronal plasticity | 6 | 304 | 142 | 95 |
| 651 | Documentation | 3 | 304 | 297 | 108 |
| 654 | race relations | 18 | 302 | 155 | 205 |
| 655 | Adolescent Psychology | 16 | 301 | 282 | 433 |
| 655 | elder abuse | 7 | 301 | 160 | 121 |
| 657 | Occupational Health | 24 | 300 | 217 | 372 |
| 657 | health and race | 8 | 300 | 107 | 62 |
| 659 | Soil Science | 6 | 299 | 1370 | 1083 |
| 660 | World Bank | 4 | 298 | 15 | 23 |
| 660 | Endocrine system | 34 | 298 | 106 | 75 |
| 662 | Pharmaceutical Technology | 8 | 296 | 957 | 835 |
| 662 | DNA methylation | 5 | 296 | 169 | 156 |
| 662 | Carbon | 5 | 296 | 1026 | 972 |
| 665 | Social Media | 6 | 295 | 105 | 68 |
| 665 | Lipid bilayers | 6 | 295 | 277 | 242 |
| 667 | Pediatric Dermatology | 51 | 294 | 32 | 103 |
| 667 | city planning | 14 | 294 | 667 | 720 |
| 669 | sanitation | 7 | 293 | 1060 | 1323 |
| 670 | Language Disorders | 9 | 292 | 444 | 351 |
| 670 | Nanoparticles | 9 | 292 | 1114 | 1095 |
| 672 | Optics | 71 | 290 | 1126 | 2077 |
| 672 | Mitochondria | 5 | 290 | 139 | 124 |
| 674 | Calcium | 2 | 289 | 4 | 1 |
| 674 | Phosphorylation | 2 | 289 | 4 | 1 |
| 676 | Latin America | 46 | 286 | 252 | 276 |
| 677 | Physical organic chemistry | 14 | 285 | 631 | 686 |
| 677 | Familial diseases | 11 | 285 | 57 | 67 |
| 679 | European integration | 10 | 284 | 94 | 109 |
| 679 | European Economic Community | 10 | 284 | 93 | 109 |
| 681 | Solid State Chemistry | 17 | 283 | 1123 | 1251 |
| 681 | Religion and Psychology | 24 | 283 | 31 | 78 |
| 683 | food technology | 7 | 279 | 1664 | 1530 |
| 683 | Industry | 3 | 279 | 167 | 149 |
| 685 | Anxiety Disorders | 8 | 278 | 283 | 424 |
| 685 | Anxiety | 8 | 278 | 279 | 424 |
| 687 | Learning disabilities | 8 | 277 | 448 | 342 |
| 687 | Human Resources | 2 | 277 | 569 | 250 |
| 687 | drug evaluation | 8 | 277 | 796 | 651 |
| 690 | Automation | 3 | 276 | 2198 | 1360 |
| 690 | International Business | 14 | 276 | 8 | 31 |
| 690 | Islam | 54 | 276 | 29 | 45 |
| 693 | Early Childhood Education | 7 | 275 | 335 | 187 |
| 694 | Environmental Geology | 5 | 273 | 1325 | 952 |
| 694 | Juvenile delinquency | 9 | 273 | 134 | 106 |
| 696 | ethanol | 10 | 272 | 180 | 196 |
| 696 | sports injuries | 13 | 272 | 163 | 155 |
| 698 | Autoimmune diseases | 11 | 271 | 235 | 396 |
| 699 | Special Education | 10 | 269 | 346 | 264 |
| 700 | visualization | 41 | 268 | 283 | 468 |
| 701 | Cross-Cultural Studies | 8 | 266 | 288 | 239 |
| 702 | History | 94 | 265 | 114 | 129 |
| 703 | big data | 11 | 264 | 132 | 195 |
| 703 | Disease | 4 | 264 | 247 | 614 |
| 705 | Melanoma | 9 | 263 | 64 | 117 |
| 705 | Marriage | 12 | 263 | 164 | 193 |
| 705 | DNA polymerases | 3 | 263 | 442 | 567 |
| 708 | child behavior | 5 | 262 | 268 | 240 |
| 708 | Soviet Union | 23 | 262 | 106 | 87 |
| 708 | children | 4 | 262 | 442 | 287 |
| 711 | Recycling | 1 | 259 | 1025 | 546 |
| 712 | Auditing | 6 | 258 | 230 | 184 |
| 713 | Quantum Chemistry | 14 | 256 | 312 | 289 |
| 713 | Hippocampus | 6 | 256 | 181 | 217 |
| 713 | World Trade Organization | 8 | 256 | 2 | 2 |
| 716 | Financial Institutions | 6 | 255 | 203 | 149 |
| 716 | cross-cultural comparison | 10 | 255 | 181 | 162 |
| 718 | Ultrasonography | 1 | 254 | 87 | 5 |
| 719 | Autoantibodies | 10 | 253 | 230 | 375 |
| 719 | Eastern Europe | 23 | 253 | 159 | 168 |
| 719 | Bones | 8 | 253 | 427 | 573 |
| 722 | cytokines | 12 | 251 | 591 | 897 |
| 723 | Ethnic Conflict | 8 | 249 | 120 | 111 |
| 723 | forced migration | 8 | 249 | 120 | 111 |
| 725 | Family Therapy | 13 | 247 | 279 | 289 |
| 725 | diseases | 2 | 247 | 425 | 638 |
| 727 | Biogeography | 3 | 246 | 955 | 831 |
| 728 | Orthopedic Surgery | 9 | 245 | 416 | 420 |
| 728 | feeding behavior | 3 | 245 | 686 | 446 |
| 728 | plant molecular biology | 5 | 245 | 1120 | 1264 |
| 731 | Regionalism | 2 | 244 | 290 | 51 |
| 731 | disarmament | 30 | 244 | 6 | 53 |
| 731 | sexual behavior | 9 | 244 | 298 | 354 |
| 734 | Obstetric Nursing | 14 | 243 | 64 | 77 |
| 735 | Antibodies | 13 | 242 | 236 | 379 |
| 735 | Personality Assessment | 3 | 242 | 529 | 375 |
| 737 | Malaria | 9 | 241 | 391 | 424 |
| 738 | Regional Economics | 1 | 240 | 791 | 186 |
| 738 | primary prevention | 10 | 240 | 151 | 180 |
| 740 | Marine Biology | 11 | 238 | 1393 | 1612 |
| 740 | Astronomy | 7 | 238 | 1892 | 1840 |
| 740 | Comparative Physiology | 8 | 238 | 439 | 467 |
| 740 | Liquid Crystals | 14 | 238 | 359 | 239 |
| 740 | Organ transplantation | 24 | 238 | 72 | 118 |
| 745 | Journalism | 14 | 237 | 180 | 166 |
| 746 | Technological Innovations | 8 | 236 | 533 | 509 |
| 747 | Developmental Neurobiology | 9 | 235 | 206 | 229 |
| 748 | Information Technology | 32 | 234 | 538 | 1346 |
| 748 | hospice care | 16 | 234 | 126 | 182 |
| 748 | eugenics | 12 | 234 | 174 | 255 |
| 751 | Geriatric Oncology | 9 | 233 | 244 | 359 |
| 751 | Teaching | 28 | 233 | 413 | 784 |
| 753 | Organometallic chemistry | 15 | 232 | 834 | 919 |
| 754 | Radiologic Technology | 3 | 231 | 141 | 20 |
| 754 | Forensic Psychology | 23 | 231 | 48 | 134 |
| 754 | Interventional Radiology | 3 | 231 | 141 | 20 |
| 754 | Interventional Radiography | 3 | 231 | 141 | 20 |
| 754 | Sports | 17 | 231 | 798 | 974 |
| 754 | Endoscopic Surgery | 3 | 231 | 141 | 20 |
| 760 | Human Rights | 12 | 229 | 191 | 186 |
| 760 | Endocrine glands | 6 | 229 | 129 | 289 |
| 760 | Plant breeding | 7 | 229 | 506 | 439 |
| 760 | China | 37 | 229 | 660 | 1605 |
| 760 | Bone diseases | 3 | 229 | 438 | 375 |
| 765 | Marriage counseling | 7 | 227 | 156 | 153 |
| 765 | Appetite | 2 | 227 | 732 | 416 |
| 767 | Mathematical Economics | 12 | 225 | 104 | 217 |
| 767 | Strategic planning | 8 | 225 | 380 | 398 |
| 769 | Photobiology | 18 | 224 | 374 | 809 |
| 770 | women | 18 | 223 | 195 | 204 |
| 771 | Urban Economics | 7 | 221 | 167 | 237 |
| 771 | Depression | 4 | 221 | 282 | 363 |
| 771 | Social interaction | 2 | 221 | 396 | 183 |
| 771 | Multiple sclerosis | 15 | 221 | 154 | 192 |
| 775 | Optical materials | 11 | 219 | 1496 | 1855 |
| 776 | School Psychology | 13 | 218 | 150 | 256 |
| 777 | Synapses | 4 | 215 | 215 | 176 |
| 778 | Personality Disorders | 4 | 214 | 214 | 163 |
| 778 | child mental health | 9 | 214 | 208 | 215 |
| 778 | Oligosaccharides | 7 | 214 | 108 | 106 |
| 781 | Microcirculation | 3 | 213 | 460 | 251 |
| 781 | pain management | 7 | 213 | 370 | 319 |
| 781 | Blood vessels | 3 | 213 | 359 | 187 |
| 784 | Electron Microscopy | 6 | 212 | 250 | 167 |
| 784 | scientific societies | 13 | 212 | 269 | 418 |
| 784 | energy development | 5 | 212 | 590 | 624 |
| 787 | Food Microbiology | 4 | 211 | 1053 | 1033 |
| 787 | mental health policy | 6 | 211 | 123 | 102 |
| 787 | rural health | 5 | 211 | 120 | 75 |
| 787 | Consumer Protection | 3 | 211 | 167 | 87 |
| 791 | Information Retrieval | 22 | 210 | 70 | 308 |
| 791 | Intellectual disability | 13 | 210 | 340 | 435 |
| 793 | Dietetics | 10 | 209 | 271 | 302 |
| 793 | Hemostasis | 14 | 209 | 264 | 386 |
| 793 | Respiratory system | 6 | 209 | 380 | 393 |
| 796 | Genetic epidemiology | 12 | 208 | 104 | 169 |
| 796 | heredity | 12 | 208 | 251 | 352 |
| 798 | urban population | 6 | 207 | 109 | 196 |
| 799 | nursing education | 3 | 204 | 135 | 19 |
| 799 | paraphilias | 5 | 204 | 91 | 89 |
| 801 | abnormalities | 6 | 203 | 87 | 116 |
| 802 | calcification | 8 | 202 | 268 | 367 |
| 802 | Customer Relations | 1 | 202 | 188 | 33 |
| 804 | Radioisotopes | 8 | 201 | 690 | 488 |
| 804 | Scandinavia | 7 | 201 | 423 | 417 |
| 806 | Agriculture | 17 | 200 | 858 | 1414 |
| 807 | local government | 8 | 199 | 172 | 186 |
| 807 | Bacteria | 6 | 199 | 192 | 348 |
| 807 | Biomolecules | 2 | 199 | 597 | 374 |
| 810 | Music Therapy | 5 | 198 | 139 | 49 |
| 810 | Art Therapy | 5 | 198 | 117 | 37 |
| 810 | Language and Education | 6 | 198 | 59 | 28 |
| 810 | Travel | 12 | 198 | 282 | 372 |
| 810 | Eurasia | 9 | 198 | 72 | 63 |
| 815 | Geriatric Medicine | 3 | 196 | 134 | 59 |
| 815 | Human-Computer Interaction | 11 | 196 | 735 | 981 |
| 815 | Biodiversity conservation | 6 | 196 | 1211 | 1588 |
| 818 | Machine Learning | 3 | 195 | 385 | 225 |
| 818 | computer networks | 12 | 195 | 1336 | 1637 |
| 820 | DNA | 4 | 194 | 522 | 299 |
| 821 | Environmental Economics | 3 | 193 | 405 | 196 |
| 821 | Sexuality | 8 | 193 | 118 | 92 |
| 821 | Psychiatric hospitals | 28 | 193 | 63 | 180 |
| 824 | Social Change | 4 | 192 | 841 | 873 |
| 825 | Consciousness | 10 | 190 | 176 | 273 |
| 826 | Industrial Statistics | 4 | 189 | 145 | 23 |
| 826 | Stochastic Processes | 4 | 189 | 797 | 392 |
| 826 | extraterrestrial environment | 11 | 189 | 227 | 257 |
| 829 | Macroeconomics | 7 | 188 | 181 | 153 |
| 830 | Central Asia | 6 | 187 | 66 | 35 |
| 831 | Logic | 6 | 184 | 312 | 153 |
| 832 | Labor Economics | 7 | 183 | 255 | 283 |
| 833 | Christianity | 44 | 180 | 11 | 3 |
| 833 | Brain damage | 2 | 180 | 514 | 264 |
| 835 | Neuromuscular diseases | 6 | 179 | 434 | 453 |
| 835 | Muscles | 6 | 179 | 583 | 713 |
| 837 | homosexuality | 10 | 178 | 139 | 219 |
| 838 | Morphology | 9 | 177 | 419 | 429 |
| 838 | Middle East | 51 | 177 | 57 | 344 |
| 838 | North Africa | 21 | 177 | 14 | 5 |
| 841 | Emergency Medical Services | 5 | 176 | 554 | 346 |
| 841 | Nationalism | 14 | 176 | 70 | 90 |
| 841 | Telecommunication | 16 | 176 | 1200 | 1743 |
| 844 | Digital humanities | 6 | 174 | 39 | 29 |
| 844 | Radiation effects | 9 | 174 | 253 | 481 |
| 846 | Systems Engineering | 7 | 173 | 1562 | 1363 |
| 846 | Environmental Chemistry | 5 | 173 | 1748 | 1882 |
| 846 | Randomized Controlled Trials | 9 | 173 | 567 | 520 |
| 846 | Africa | 27 | 173 | 351 | 652 |
| 850 | Climate change | 4 | 172 | 900 | 1347 |
| 850 | Eutrophication | 4 | 172 | 861 | 1329 |
| 852 | Genetic testing | 9 | 171 | 101 | 67 |
| 853 | Atherosclerosis | 5 | 170 | 92 | 119 |
| 854 | Labor Unions | 8 | 169 | 83 | 48 |
| 854 | election law | 6 | 169 | 144 | 132 |
| 854 | civilization | 77 | 169 | 100 | 154 |
| 857 | Digital Media | 8 | 168 | 59 | 99 |
| 858 | Industrial Safety | 8 | 167 | 610 | 706 |
| 859 | Nanomedicine | 2 | 161 | 293 | 166 |
| 859 | Birds | 17 | 161 | 461 | 630 |
| 859 | Suicide | 6 | 161 | 339 | 344 |
| 862 | global environmental change | 4 | 158 | 706 | 829 |
| 862 | Hearing | 10 | 158 | 327 | 419 |
| 862 | Cell surface receptors | 5 | 158 | 47 | 25 |
| 865 | Bilingual Education | 1 | 157 | 111 | 24 |
| 865 | Writing | 4 | 157 | 216 | 181 |
| 867 | Organizational change | 6 | 156 | 437 | 428 |
| 868 | Ethnology | 30 | 155 | 305 | 726 |
| 869 | Computational Linguistics | 11 | 154 | 143 | 162 |
| 869 | Cultural diversity | 3 | 154 | 163 | 136 |
| 871 | income distribution | 7 | 153 | 34 | 128 |
| 872 | Extracellular matrix | 2 | 152 | 307 | 284 |
| 872 | collagen | 2 | 152 | 327 | 294 |
| 874 | System analysis | 13 | 149 | 1215 | 1695 |
| 875 | Lung Transplantation | 6 | 148 | 266 | 336 |
| 875 | Heart transplantation | 6 | 148 | 266 | 336 |
| 875 | Structure-activity relationship | 4 | 148 | 337 | 246 |
| 875 | Plants | 4 | 148 | 1897 | 1741 |
| 879 | Cell communication | 5 | 147 | 622 | 778 |
| 880 | Speech-Language Pathology | 1 | 146 | 555 | 162 |
| 880 | Radiation Protection | 11 | 146 | 243 | 221 |
| 880 | speech therapy | 1 | 146 | 641 | 235 |
| 880 | radiation monitoring | 11 | 146 | 207 | 203 |
| 884 | Telecommunications | 10 | 145 | 279 | 339 |
| 884 | Bacterial infections | 9 | 145 | 403 | 963 |
| 886 | Social Networks | 3 | 144 | 274 | 214 |
| 886 | security measures | 8 | 144 | 5 | 9 |
| 888 | vitamins | 4 | 143 | 86 | 117 |
| 889 | Process Control | 2 | 142 | 1085 | 944 |
| 889 | poverty | 8 | 142 | 136 | 236 |
| 889 | organizational effectiveness | 4 | 142 | 306 | 227 |
| 892 | regional security | 4 | 141 | 41 | 16 |
| 892 | regional cooperation | 4 | 141 | 39 | 16 |
| 894 | hygiene | 2 | 140 | 697 | 366 |
| 894 | Uncertainty | 3 | 140 | 167 | 127 |
| 896 | policy making | 5 | 139 | 7 | 9 |
| 897 | nucleotides | 5 | 138 | 258 | 108 |
| 898 | Metallurgy | 6 | 136 | 1812 | 1688 |
| 898 | interfaith relations | 17 | 136 | 4 | 2 |
| 898 | school psychologists | 5 | 136 | 122 | 173 |
| 901 | Geometry | 17 | 135 | 478 | 503 |
| 901 | Chemical Ecology | 3 | 135 | 519 | 492 |
| 901 | Vocational Education | 6 | 135 | 304 | 292 |
| 901 | Telemedicine | 10 | 135 | 107 | 262 |
| 901 | pheromones | 3 | 135 | 469 | 458 |
| 906 | Social perception | 2 | 134 | 136 | 96 |
| 907 | Human Capital | 5 | 133 | 121 | 159 |
| 907 | Ultrasonic Imaging | 12 | 133 | 172 | 375 |
| 909 | Molecular recognition | 2 | 132 | 291 | 130 |
| 909 | cell membrane | 2 | 132 | 666 | 572 |
| 911 | World History | 10 | 131 | 25 | 9 |
| 911 | Animal welfare | 5 | 131 | 164 | 222 |
| 913 | Nuclear Energy | 25 | 130 | 302 | 604 |
| 914 | Human Security | 9 | 128 | 4 | 10 |
| 915 | Social History | 25 | 127 | 90 | 180 |
| 915 | Transgenic plants | 2 | 127 | 620 | 494 |
| 917 | insurgency | 28 | 125 | 2 | 7 |
| 917 | Drug delivery systems | 5 | 125 | 1177 | 1541 |
| 919 | Quality Control | 5 | 124 | 1440 | 1487 |
| 919 | Library Science | 16 | 124 | 367 | 416 |
| 921 | Experimental Psychology | 3 | 123 | 555 | 446 |
| 921 | Agricultural Chemistry | 4 | 123 | 2167 | 2078 |
| 921 | isomerism | 9 | 123 | 106 | 181 |
| 921 | Social environment | 10 | 123 | 51 | 141 |
| 921 | Chirality | 9 | 123 | 106 | 181 |
| 926 | Computer Science | 3 | 122 | 2276 | 1353 |
| 926 | Urban Policy | 3 | 122 | 764 | 683 |
| 926 | Radiotherapy | 12 | 122 | 148 | 153 |
| 926 | Freeze-Drying | 16 | 122 | 53 | 261 |
| 926 | Hypothermia | 16 | 122 | 53 | 261 |
| 926 | Freeze Drying | 16 | 122 | 53 | 261 |
| 926 | refugees | 7 | 122 | 106 | 125 |
| 933 | Database Management | 11 | 121 | 397 | 664 |
| 933 | natural products | 4 | 121 | 1645 | 1324 |
| 933 | Employee rights | 5 | 121 | 37 | 39 |
| 936 | Structuralism | 1 | 120 | 277 | 182 |
| 936 | Antitrust Law | 17 | 120 | 13 | 13 |
| 936 | International Law | 23 | 120 | 60 | 76 |
| 936 | civil rights | 6 | 120 | 223 | 178 |
| 936 | Behavioral research | 4 | 120 | 391 | 230 |
| 936 | Ornithology | 13 | 120 | 445 | 629 |
| 942 | environmental protection | 7 | 119 | 2439 | 3249 |
| 942 | Mobile genetic elements | 2 | 119 | 137 | 78 |
| 944 | viral genetics | 2 | 118 | 372 | 561 |
| 944 | Pregnancy | 5 | 118 | 619 | 661 |
| 946 | Religion and Sociology | 10 | 117 | 70 | 64 |
| 946 | psychoanalytic therapy | 11 | 117 | 35 | 24 |
| 946 | Radiation dosimetry | 9 | 117 | 201 | 180 |
| 946 | Ultrasound | 11 | 117 | 331 | 620 |
| 950 | Knowledge | 16 | 114 | 146 | 248 |
| 950 | Social support | 9 | 114 | 56 | 130 |
| 952 | Phonetics | 3 | 112 | 313 | 251 |
| 953 | Physical Geography | 3 | 111 | 576 | 389 |
| 953 | Culture techniques | 1 | 111 | 537 | 220 |
| 955 | Archaeology | 8 | 110 | 821 | 906 |
| 955 | Cold War | 21 | 110 | 6 | 6 |
| 955 | Intelligence | 4 | 110 | 211 | 246 |
| 958 | Magnetic Resonance Imaging | 7 | 108 | 289 | 404 |
| 958 | Federal government | 8 | 108 | 47 | 69 |
| 958 | Catholicism | 29 | 108 | 3 | 4 |
| 961 | embryonic development | 4 | 107 | 339 | 399 |
| 961 | Human evolution | 2 | 107 | 492 | 448 |
| 961 | Elections | 6 | 107 | 221 | 229 |
| 964 | Ergonomics | 36 | 106 | 196 | 737 |
| 964 | Photography | 56 | 106 | 492 | 662 |
| 964 | cosmic rays | 7 | 106 | 280 | 315 |
| 964 | Well-being | 3 | 106 | 133 | 104 |
| 964 | Europa | 8 | 106 | 251 | 459 |
| 969 | Landscape Ecology | 3 | 105 | 464 | 537 |
| 970 | Industrial Engineering | 10 | 104 | 1061 | 1637 |
| 970 | Scanning electron microscopy | 2 | 104 | 227 | 79 |
| 972 | Software Engineering | 6 | 103 | 824 | 860 |
| 972 | Geriatric Pharmacology | 2 | 103 | 364 | 280 |
| 972 | Astrophysics | 5 | 103 | 2360 | 2344 |
| 975 | biological factors | 5 | 102 | 1586 | 1760 |
| 975 | Bible | 24 | 102 | 46 | 13 |
| 977 | Criminal psychology | 4 | 101 | 635 | 605 |
| 977 | liver | 5 | 101 | 203 | 237 |
| 979 | Operator theory | 7 | 100 | 199 | 133 |
| 979 | Simulation | 2 | 100 | 276 | 203 |
| 979 | Feminism | 8 | 100 | 311 | 347 |
| 979 | theoretical models | 2 | 100 | 276 | 203 |
| 979 | internet | 11 | 100 | 736 | 1366 |
| 979 | Money | 4 | 100 | 253 | 345 |
| 985 | Plant Genetics | 2 | 99 | 813 | 843 |
| 985 | Databases | 6 | 99 | 263 | 353 |
| 985 | Enteral nutrition | 5 | 99 | 604 | 927 |
| 985 | curriculum evaluation | 3 | 99 | 332 | 273 |
| 989 | Technology Assessment | 3 | 98 | 308 | 443 |
| 989 | cultural pluralism | 7 | 98 | 179 | 241 |
| 989 | Credit | 3 | 98 | 86 | 105 |
| 989 | drug control | 6 | 98 | 220 | 363 |
| 993 | Artificial Organs | 21 | 97 | 164 | 461 |
| 994 | Multilingualism | 6 | 96 | 143 | 197 |
| 994 | Political Participation | 3 | 96 | 329 | 267 |
| 994 | East Asia | 9 | 96 | 257 | 307 |
| 994 | Voting | 3 | 96 | 230 | 193 |
| 998 | catalytic activity | 3 | 95 | 644 | 692 |
| 998 | Phylogeny | 1 | 95 | 1409 | 1100 |
| 1000 | mammals | 6 | 94 | 731 | 859 |