| 1 | Science | 1,527 | 73.2K | 228 | 417 |
| 2 | Physics | 1,324 | 68.5K | 351 | 477 |
| 3 | Biology | 924 | 59.6K | 386 | 499 |
| 4 | Chemistry | 855 | 48.8K | 507 | 446 |
| 5 | Biochemistry | 1,170 | 46.6K | 374 | 369 |
| 6 | Medicine | 1,006 | 45.4K | 376 | 411 |
| 7 | United States | 1,690 | 43.9K | 53 | 58 |
| 8 | Neurology | 739 | 41.8K | 256 | 266 |
| 9 | Psychology | 1,252 | 33.9K | 52 | 114 |
| 10 | Nuclear Physics | 1,003 | 31.3K | 239 | 278 |
| 11 | Molecular Biology | 493 | 28.7K | 575 | 530 |
| 12 | Behavior | 632 | 27.3K | 45 | 66 |
| 13 | Psychophysiology | 691 | 24.7K | 58 | 94 |
| 14 | Education | 620 | 22.2K | 65 | 39 |
| 15 | Condensed Matter | 849 | 22.1K | 133 | 206 |
| 16 | Psychiatry | 600 | 22.0K | 146 | 222 |
| 17 | Solid State Physics | 817 | 21.8K | 142 | 202 |
| 18 | Research | 640 | 21.5K | 419 | 436 |
| 19 | Statistical physics | 501 | 21.2K | 143 | 87 |
| 20 | Brain | 406 | 20.7K | 79 | 75 |
| 21 | Ecology | 298 | 19.9K | 534 | 479 |
| 22 | Natural history | 170 | 19.8K | 364 | 700 |
| 23 | Public Health | 469 | 19.6K | 233 | 219 |
| 24 | Neurophysiology | 380 | 18.5K | 137 | 190 |
| 25 | management | 177 | 18.2K | 238 | 148 |
| 26 | human behavior | 309 | 15.9K | 67 | 82 |
| 27 | Social Psychology | 333 | 14.3K | 63 | 93 |
| 28 | biological evolution | 178 | 13.7K | 124 | 129 |
| 29 | Sociology | 419 | 13.7K | 63 | 76 |
| 30 | Biophysics | 482 | 13.5K | 333 | 367 |
| 31 | Physiology | 303 | 13.5K | 282 | 247 |
| 32 | Memory | 582 | 12.9K | 15 | 60 |
| 33 | Cytology | 215 | 12.8K | 492 | 606 |
| 34 | Child psychology | 226 | 12.7K | 67 | 79 |
| 35 | Perception | 589 | 12.0K | 16 | 53 |
| 36 | Child Development | 191 | 11.8K | 102 | 83 |
| 37 | Microbiology | 239 | 11.8K | 764 | 786 |
| 38 | Cell Biology | 173 | 11.5K | 525 | 631 |
| 39 | Environment | 127 | 11.2K | 695 | 560 |
| 40 | Social Sciences | 495 | 10.8K | 38 | 54 |
| 41 | Educational Psychology | 155 | 10.4K | 66 | 25 |
| 42 | Attention | 543 | 10.2K | 15 | 49 |
| 43 | Colloids | 193 | 10.1K | 326 | 215 |
| 44 | Optics | 351 | 10.1K | 278 | 201 |
| 45 | Astrophysics | 99 | 10.1K | 892 | 673 |
| 46 | Spectrum analysis | 204 | 10.1K | 509 | 508 |
| 47 | Visual Perception | 532 | 10.0K | 16 | 50 |
| 48 | Materials | 116 | 9.8K | 1298 | 694 |
| 49 | Surface Chemistry | 174 | 9.8K | 375 | 213 |
| 50 | Environmental Health | 188 | 9.3K | 472 | 442 |
| 51 | Pharmacology | 267 | 9.1K | 541 | 528 |
| 52 | Research Design | 33 | 9.0K | 268 | 39 |
| 53 | Molecular Genetics | 130 | 8.8K | 141 | 96 |
| 54 | Economics | 305 | 8.6K | 254 | 252 |
| 55 | Nervous system | 119 | 8.5K | 252 | 206 |
| 56 | Nanotechnology | 173 | 8.5K | 672 | 645 |
| 57 | Geography | 100 | 8.4K | 270 | 77 |
| 58 | Cell differentiation | 46 | 8.4K | 442 | 215 |
| 59 | Anthropology | 388 | 8.3K | 32 | 30 |
| 60 | Photonics | 100 | 8.2K | 149 | 101 |
| 61 | Materials Science | 147 | 7.9K | 667 | 491 |
| 62 | Cognition | 197 | 7.5K | 81 | 108 |
| 63 | Neurochemistry | 148 | 7.2K | 228 | 213 |
| 64 | Cell death | 16 | 7.1K | 592 | 151 |
| 65 | Earth Sciences | 61 | 7.0K | 736 | 251 |
| 66 | Neuropsychology | 203 | 6.9K | 111 | 137 |
| 67 | Developmental Psychology | 103 | 6.9K | 74 | 72 |
| 68 | Molecular evolution | 75 | 6.9K | 160 | 103 |
| 69 | marketing | 126 | 6.8K | 100 | 140 |
| 70 | Light | 91 | 6.6K | 38 | 66 |
| 71 | Endocrinology | 138 | 6.5K | 430 | 504 |
| 72 | Animal Behavior | 177 | 6.3K | 137 | 194 |
| 73 | Organic Chemistry | 173 | 6.2K | 267 | 230 |
| 74 | Human Geography | 82 | 6.1K | 93 | 37 |
| 75 | Virology | 71 | 6.1K | 719 | 761 |
| 76 | Mathematics | 600 | 5.9K | 293 | 415 |
| 77 | Phylogeny | 59 | 5.9K | 68 | 29 |
| 78 | Mental Disorders | 147 | 5.9K | 324 | 395 |
| 79 | Teaching | 176 | 5.8K | 50 | 46 |
| 80 | Biomedical Engineering | 105 | 5.8K | 734 | 411 |
| 81 | Child | 134 | 5.7K | 217 | 134 |
| 82 | Political Science | 234 | 5.7K | 66 | 84 |
| 83 | Chemical Engineering | 78 | 5.6K | 1057 | 654 |
| 84 | Psycholinguistics | 131 | 5.6K | 44 | 59 |
| 85 | Biocompatible Materials | 79 | 5.5K | 792 | 620 |
| 86 | psychotherapy | 119 | 5.4K | 83 | 115 |
| 87 | health behavior | 171 | 5.4K | 41 | 39 |
| 88 | Neurons | 22 | 5.4K | 261 | 215 |
| 89 | Epidemiology | 204 | 5.3K | 304 | 398 |
| 90 | Evolution | 78 | 5.3K | 266 | 253 |
| 91 | Botany | 122 | 5.2K | 687 | 670 |
| 92 | Social work | 289 | 5.2K | 27 | 30 |
| 93 | Liver diseases | 46 | 5.1K | 371 | 268 |
| 94 | Computational Biology | 63 | 5.1K | 458 | 327 |
| 95 | Pollution | 137 | 5.0K | 727 | 964 |
| 96 | Biomechanics | 53 | 5.0K | 219 | 89 |
| 97 | Speech Disorders | 238 | 4.9K | 28 | 53 |
| 98 | personality | 122 | 4.9K | 93 | 161 |
| 99 | Health Policy | 105 | 4.8K | 227 | 138 |
| 100 | Quantum Gravity | 266 | 4.8K | 243 | 439 |
| 101 | Criminology | 162 | 4.7K | 32 | 38 |
| 102 | Growth | 56 | 4.6K | 224 | 224 |
| 103 | Ethology | 126 | 4.6K | 132 | 204 |
| 104 | Learning | 103 | 4.5K | 96 | 110 |
| 105 | Philosophy | 304 | 4.4K | 46 | 33 |
| 105 | preventive medicine | 99 | 4.4K | 99 | 119 |
| 107 | Cognitive neuroscience | 63 | 4.4K | 123 | 149 |
| 108 | Clinical Psychology | 104 | 4.4K | 149 | 213 |
| 109 | Diet | 73 | 4.3K | 343 | 305 |
| 110 | Substance Abuse | 142 | 4.3K | 87 | 92 |
| 111 | alcoholism | 145 | 4.3K | 108 | 130 |
| 111 | Developing countries | 99 | 4.3K | 176 | 121 |
| 113 | Health Education | 156 | 4.2K | 113 | 115 |
| 114 | Mental illness | 82 | 4.2K | 277 | 300 |
| 115 | Toxicology | 150 | 4.2K | 568 | 709 |
| 116 | Business | 97 | 4.1K | 152 | 261 |
| 117 | Vocational guidance | 110 | 4.1K | 60 | 61 |
| 118 | Medical Anthropology | 95 | 4.1K | 101 | 139 |
| 119 | Pediatrics | 94 | 4.1K | 420 | 435 |
| 120 | Genetics | 124 | 4.0K | 562 | 942 |
| 121 | Social problems | 109 | 4.0K | 9 | 18 |
| 122 | counseling | 122 | 3.9K | 89 | 76 |
| 123 | Cancer | 126 | 3.9K | 621 | 846 |
| 124 | Learning disabilities | 73 | 3.9K | 63 | 30 |
| 125 | Oncology | 28 | 3.9K | 783 | 606 |
| 126 | behavior modification | 63 | 3.8K | 42 | 33 |
| 127 | organization | 16 | 3.8K | 278 | 113 |
| 128 | Health promotion | 93 | 3.8K | 134 | 138 |
| 129 | Ophthalmology | 86 | 3.8K | 249 | 204 |
| 130 | Bioengineering | 76 | 3.8K | 817 | 885 |
| 130 | finance | 115 | 3.8K | 164 | 177 |
| 132 | Geology | 136 | 3.8K | 448 | 469 |
| 133 | Geriatrics | 160 | 3.8K | 279 | 364 |
| 133 | human development | 43 | 3.8K | 102 | 46 |
| 135 | Adolescent | 143 | 3.7K | 161 | 155 |
| 136 | Nonlinear Dynamics | 109 | 3.7K | 299 | 250 |
| 137 | Primates | 91 | 3.7K | 42 | 29 |
| 138 | Physical Chemistry | 96 | 3.7K | 256 | 286 |
| 139 | Psychopharmacology | 73 | 3.7K | 256 | 249 |
| 140 | Biotechnology | 70 | 3.6K | 1524 | 1370 |
| 141 | Astronomy | 84 | 3.6K | 853 | 883 |
| 142 | behavioral medicine | 72 | 3.6K | 120 | 142 |
| 143 | Nutrition | 125 | 3.6K | 575 | 734 |
| 144 | Criminal psychology | 94 | 3.5K | 40 | 46 |
| 145 | Geochemistry | 45 | 3.5K | 624 | 386 |
| 146 | Social behavior | 84 | 3.5K | 74 | 107 |
| 147 | Health Services Administration | 50 | 3.4K | 126 | 53 |
| 148 | Electrochemistry | 135 | 3.4K | 581 | 555 |
| 149 | Immunology | 106 | 3.4K | 809 | 1069 |
| 150 | Public Policy | 118 | 3.4K | 96 | 113 |
| 151 | Meteorites | 49 | 3.4K | 247 | 221 |
| 152 | Bioinformatics | 35 | 3.4K | 546 | 365 |
| 153 | Community Psychology | 46 | 3.4K | 53 | 49 |
| 154 | Electronics | 74 | 3.3K | 692 | 322 |
| 155 | Language Disorders | 126 | 3.3K | 42 | 50 |
| 156 | Speech | 154 | 3.3K | 33 | 57 |
| 157 | Linguistics | 108 | 3.3K | 116 | 88 |
| 158 | Polymers | 156 | 3.2K | 680 | 859 |
| 159 | Geophysics | 102 | 3.2K | 769 | 796 |
| 160 | Neurotransmitters | 51 | 3.2K | 46 | 22 |
| 161 | Reading | 49 | 3.2K | 63 | 21 |
| 162 | Biogeography | 33 | 3.2K | 201 | 126 |
| 163 | Membranes | 118 | 3.2K | 140 | 281 |
| 164 | homosexuality | 67 | 3.2K | 9 | 7 |
| 165 | Developmental Biology | 82 | 3.1K | 361 | 525 |
| 166 | Diabetes mellitus | 30 | 3.1K | 790 | 521 |
| 167 | Neurobiology | 83 | 3.1K | 261 | 436 |
| 168 | Diabetes | 28 | 3.1K | 905 | 551 |
| 169 | Developmental Disabilities | 73 | 3.1K | 104 | 125 |
| 170 | Zoology | 88 | 3.1K | 364 | 258 |
| 171 | Dementia | 39 | 3.1K | 437 | 123 |
| 172 | Meteorology | 60 | 3.1K | 524 | 494 |
| 173 | Pharmaceutical Chemistry | 114 | 3.1K | 581 | 766 |
| 174 | crime | 89 | 3.0K | 32 | 32 |
| 175 | drug addiction | 101 | 3.0K | 103 | 150 |
| 176 | Surgery | 16 | 3.0K | 1229 | 633 |
| 177 | Hydrology | 65 | 3.0K | 428 | 337 |
| 178 | Business Ethics | 45 | 3.0K | 54 | 67 |
| 179 | Economic History | 172 | 3.0K | 230 | 265 |
| 180 | Molecular ecology | 52 | 3.0K | 166 | 207 |
| 181 | Analytical Biochemistry | 33 | 3.0K | 368 | 130 |
| 182 | Analytical Chemistry | 137 | 3.0K | 633 | 852 |
| 183 | Obesity | 82 | 2.9K | 300 | 371 |
| 184 | Alzheimer's disease | 33 | 2.9K | 514 | 152 |
| 185 | Metabolism | 53 | 2.9K | 851 | 825 |
| 186 | Anatomy | 74 | 2.9K | 302 | 349 |
| 187 | Cognitive Science | 57 | 2.9K | 155 | 188 |
| 188 | Community Psychiatry | 65 | 2.9K | 93 | 75 |
| 189 | Environmental Psychology | 17 | 2.8K | 50 | 21 |
| 190 | Technology | 51 | 2.8K | 995 | 531 |
| 191 | Special Education | 67 | 2.8K | 85 | 42 |
| 192 | Environmental Engineering | 71 | 2.8K | 614 | 692 |
| 193 | Image Processing | 49 | 2.8K | 324 | 204 |
| 194 | Audiology | 71 | 2.7K | 85 | 81 |
| 195 | Population Genetics | 56 | 2.7K | 177 | 222 |
| 196 | Ethnology | 147 | 2.7K | 53 | 39 |
| 197 | Archaeology | 63 | 2.7K | 217 | 116 |
| 198 | Bioorganic chemistry | 71 | 2.7K | 497 | 458 |
| 199 | language | 95 | 2.7K | 36 | 62 |
| 200 | Health | 90 | 2.6K | 256 | 264 |
| 201 | children | 49 | 2.6K | 30 | 31 |
| 202 | Data Mining | 16 | 2.6K | 550 | 157 |
| 203 | nanoscience | 48 | 2.6K | 736 | 684 |
| 204 | Statistics | 107 | 2.6K | 356 | 373 |
| 205 | Environmental Policy | 43 | 2.6K | 765 | 639 |
| 206 | Communication | 178 | 2.6K | 89 | 176 |
| 207 | Urbanization | 9 | 2.4K | 69 | 2 |
| 208 | Biodiversity | 57 | 2.4K | 356 | 388 |
| 209 | Politics | 91 | 2.4K | 34 | 35 |
| 209 | government | 91 | 2.4K | 49 | 48 |
| 211 | Applied Linguistics | 33 | 2.4K | 64 | 13 |
| 212 | Public Administration | 94 | 2.4K | 122 | 119 |
| 213 | Law | 96 | 2.4K | 114 | 25 |
| 214 | Clinical Chemistry | 69 | 2.4K | 563 | 614 |
| 215 | behavior therapy | 82 | 2.4K | 84 | 114 |
| 216 | Human evolution | 55 | 2.3K | 50 | 62 |
| 217 | Gender Studies | 56 | 2.3K | 8 | 6 |
| 218 | Aging | 145 | 2.3K | 290 | 531 |
| 219 | Nanostructures | 43 | 2.3K | 385 | 354 |
| 220 | Hearing | 119 | 2.3K | 34 | 55 |
| 221 | Environmental Toxicology | 20 | 2.3K | 936 | 422 |
| 222 | sanitation | 45 | 2.3K | 354 | 477 |
| 223 | Vision | 29 | 2.3K | 172 | 96 |
| 224 | child abuse | 56 | 2.2K | 85 | 106 |
| 225 | adolescence | 71 | 2.2K | 81 | 120 |
| 226 | Sustainable Development | 33 | 2.2K | 376 | 242 |
| 226 | Metabolic diseases | 29 | 2.2K | 982 | 857 |
| 228 | Food | 62 | 2.1K | 540 | 524 |
| 229 | Queer Studies | 41 | 2.1K | 4 | 5 |
| 230 | Gerontology | 134 | 2.1K | 179 | 242 |
| 231 | Medical Laboratory Science | 34 | 2.1K | 501 | 309 |
| 232 | Socialization | 43 | 2.1K | 42 | 36 |
| 233 | Production Management | 38 | 2.1K | 194 | 229 |
| 234 | Smoking | 62 | 2.1K | 100 | 107 |
| 235 | Water | 38 | 2.1K | 680 | 675 |
| 236 | Marine Biology | 50 | 2.0K | 701 | 575 |
| 237 | Oceanography | 43 | 2.0K | 534 | 458 |
| 238 | Catalysis | 78 | 2.0K | 915 | 1156 |
| 239 | Mental Health | 73 | 2.0K | 170 | 146 |
| 240 | urban health | 51 | 2.0K | 16 | 18 |
| 241 | health services | 83 | 1.9K | 84 | 102 |
| 242 | city planning | 92 | 1.9K | 119 | 158 |
| 243 | Autism | 49 | 1.9K | 96 | 114 |
| 244 | Immunity | 19 | 1.9K | 959 | 947 |
| 245 | Economic Development | 69 | 1.9K | 160 | 303 |
| 246 | Photochemistry | 73 | 1.9K | 113 | 176 |
| 247 | Operations Research | 49 | 1.9K | 470 | 374 |
| 248 | miniaturization | 36 | 1.9K | 467 | 544 |
| 249 | Microelectronics | 37 | 1.8K | 478 | 487 |
| 250 | viruses | 29 | 1.8K | 561 | 529 |
| 251 | Jurisprudence | 42 | 1.8K | 157 | 44 |
| 252 | Lipids | 16 | 1.8K | 567 | 245 |
| 253 | Biodiversity conservation | 39 | 1.8K | 460 | 727 |
| 254 | commerce | 30 | 1.8K | 322 | 241 |
| 255 | Information Retrieval | 3 | 1.8K | 525 | 45 |
| 255 | child behavior | 31 | 1.8K | 51 | 36 |
| 257 | Planets | 36 | 1.8K | 604 | 585 |
| 258 | Microbial Ecology | 25 | 1.8K | 870 | 768 |
| 259 | role | 38 | 1.7K | 25 | 29 |
| 260 | Computer Graphics | 38 | 1.7K | 353 | 246 |
| 261 | Europe | 93 | 1.7K | 458 | 513 |
| 262 | Dietetics | 28 | 1.7K | 197 | 66 |
| 262 | sexual behavior | 58 | 1.7K | 35 | 57 |
| 264 | Climatology | 40 | 1.7K | 488 | 493 |
| 265 | Mathematical Physics | 125 | 1.7K | 359 | 547 |
| 266 | Optical materials | 43 | 1.7K | 716 | 720 |
| 267 | genome | 23 | 1.7K | 563 | 608 |
| 268 | polymerization | 100 | 1.7K | 778 | 1062 |
| 269 | proteins | 91 | 1.7K | 214 | 460 |
| 270 | Regional Planning | 58 | 1.6K | 217 | 203 |
| 271 | Family | 48 | 1.6K | 148 | 117 |
| 272 | cryosphere | 12 | 1.6K | 206 | 93 |
| 273 | older people | 119 | 1.6K | 146 | 152 |
| 274 | Schizophrenia | 44 | 1.6K | 251 | 291 |
| 275 | Mental Health Services | 56 | 1.6K | 162 | 142 |
| 276 | Plant cells | 10 | 1.6K | 768 | 586 |
| 277 | drug abuse | 65 | 1.6K | 42 | 46 |
| 278 | Renewable Energy Sources | 11 | 1.6K | 1548 | 867 |
| 279 | Entrepreneurship | 23 | 1.6K | 214 | 261 |
| 280 | Artificial Intelligence | 98 | 1.5K | 469 | 773 |
| 281 | Genomics | 38 | 1.5K | 1007 | 919 |
| 281 | Post-traumatic stress disorder | 47 | 1.5K | 78 | 118 |
| 283 | Pediatric Neurology | 15 | 1.5K | 559 | 495 |
| 284 | water supply | 21 | 1.5K | 325 | 242 |
| 285 | Child welfare | 72 | 1.5K | 94 | 110 |
| 286 | Nuclear Chemistry | 35 | 1.5K | 249 | 73 |
| 287 | environmental pollution | 62 | 1.4K | 993 | 1514 |
| 288 | Consciousness | 31 | 1.4K | 31 | 22 |
| 289 | Agricultural Chemistry | 38 | 1.4K | 622 | 531 |
| 290 | migration policy | 23 | 1.4K | 17 | 15 |
| 291 | Clinical Trials | 6 | 1.4K | 451 | 59 |
| 291 | Molecular structure | 62 | 1.4K | 337 | 594 |
| 293 | immigration | 21 | 1.4K | 15 | 16 |
| 294 | feeding behavior | 36 | 1.4K | 128 | 109 |
| 294 | Appetite | 36 | 1.4K | 100 | 90 |
| 296 | Nanostructured Materials | 62 | 1.4K | 778 | 1011 |
| 297 | Asylum seeker | 20 | 1.4K | 16 | 16 |
| 298 | Occupational Health | 21 | 1.4K | 363 | 119 |
| 299 | Biogeochemistry | 36 | 1.4K | 293 | 395 |
| 300 | Oncogenes | 18 | 1.4K | 575 | 569 |
| 301 | Intellectual disability | 59 | 1.4K | 90 | 126 |
| 302 | rehabilitation | 80 | 1.3K | 263 | 508 |
| 303 | Adolescent Psychology | 43 | 1.3K | 119 | 158 |
| 303 | data collection | 12 | 1.3K | 405 | 244 |
| 305 | Counseling Psychology | 11 | 1.3K | 86 | 37 |
| 306 | Culture | 99 | 1.3K | 45 | 57 |
| 307 | Pharmacognosy | 28 | 1.3K | 538 | 448 |
| 308 | protein | 50 | 1.3K | 187 | 312 |
| 309 | School Psychology | 49 | 1.2K | 64 | 76 |
| 310 | Bacteriology | 28 | 1.2K | 689 | 769 |
| 311 | Fluid Mechanics | 34 | 1.2K | 487 | 355 |
| 311 | Advertising | 20 | 1.2K | 61 | 42 |
| 313 | Quantum Chemistry | 100 | 1.2K | 26 | 71 |
| 314 | Social policy | 69 | 1.2K | 62 | 83 |
| 315 | violence | 63 | 1.2K | 89 | 170 |
| 316 | Nuclear Energy | 17 | 1.2K | 480 | 130 |
| 317 | Demography | 32 | 1.2K | 125 | 120 |
| 318 | Solid State Chemistry | 70 | 1.2K | 414 | 534 |
| 319 | Industrial Microbiology | 10 | 1.2K | 1171 | 544 |
| 320 | Cerebral cortex | 33 | 1.2K | 209 | 320 |
| 321 | Nursing | 88 | 1.2K | 150 | 214 |
| 322 | Cultural diversity | 26 | 1.2K | 17 | 17 |
| 323 | economic policy | 79 | 1.2K | 272 | 352 |
| 324 | Juvenile delinquency | 32 | 1.2K | 48 | 25 |
| 325 | Psychoanalysis | 77 | 1.2K | 28 | 16 |
| 326 | Immunotherapy | 11 | 1.2K | 1190 | 752 |
| 327 | peace | 33 | 1.2K | 78 | 87 |
| 328 | Language Acquisition | 43 | 1.2K | 24 | 51 |
| 329 | Psychometrics | 33 | 1.1K | 75 | 117 |
| 330 | Signal Transduction | 18 | 1.1K | 565 | 480 |
| 331 | families | 36 | 1.1K | 142 | 104 |
| 332 | cell physiology | 26 | 1.1K | 517 | 641 |
| 333 | Computer Vision | 26 | 1.1K | 285 | 346 |
| 334 | health services accessibility | 29 | 1.1K | 197 | 124 |
| 334 | Information Science | 68 | 1.1K | 279 | 569 |
| 336 | Neurolinguistics | 40 | 1.1K | 37 | 78 |
| 337 | Plants | 19 | 1.1K | 945 | 795 |
| 338 | ecosystem | 33 | 1.1K | 302 | 448 |
| 339 | Embryology | 30 | 1.1K | 574 | 709 |
| 340 | Small Business | 12 | 1.1K | 317 | 290 |
| 341 | Climate change | 16 | 1.1K | 506 | 821 |
| 342 | Eutrophication | 15 | 1.1K | 519 | 818 |
| 343 | Sexuality | 37 | 1.1K | 13 | 10 |
| 344 | Radiochemistry | 5 | 1.1K | 985 | 97 |
| 345 | Cosmology | 44 | 1.1K | 302 | 222 |
| 346 | Forensic Psychiatry | 48 | 1.1K | 48 | 48 |
| 346 | Quantitative Research | 19 | 1.1K | 46 | 32 |
| 346 | Anxiety | 19 | 1.1K | 164 | 184 |
| 349 | Youth | 34 | 1.1K | 103 | 140 |
| 350 | Bioinorganic chemistry | 37 | 1.1K | 304 | 270 |
| 351 | Robotics | 11 | 1.1K | 946 | 317 |
| 352 | Paleoclimatology | 9 | 1.1K | 724 | 321 |
| 353 | Emotions | 27 | 1.0K | 117 | 164 |
| 354 | Urban Anthropology | 24 | 1.0K | 3 | 3 |
| 355 | Histology | 26 | 1.0K | 651 | 603 |
| 356 | Suicide | 28 | 1.0K | 81 | 76 |
| 357 | natural products | 24 | 1.0K | 539 | 352 |
| 358 | Industrial Engineering | 22 | 1.0K | 623 | 418 |
| 359 | race relations | 81 | 1.0K | 16 | 50 |
| 360 | Anxiety Disorders | 17 | 1.0K | 183 | 197 |
| 361 | Animal ecology | 39 | 1.0K | 270 | 340 |
| 362 | Sociolinguistics | 46 | 1.0K | 21 | 45 |
| 363 | Hematology | 47 | 1.0K | 1415 | 1450 |
| 364 | Information Technology | 47 | 1.0K | 350 | 427 |
| 365 | Raman spectroscopy | 24 | 1.0K | 145 | 81 |
| 366 | environmental protection | 33 | 998 | 988 | 1161 |
| 367 | Planetary Science | 29 | 997 | 125 | 84 |
| 368 | Experimental Psychology | 51 | 994 | 45 | 147 |
| 369 | Paleoecology | 13 | 982 | 539 | 295 |
| 370 | Cardiovascular system | 29 | 980 | 589 | 973 |
| 371 | global environmental change | 16 | 979 | 296 | 274 |
| 372 | plant molecular biology | 9 | 970 | 1017 | 785 |
| 373 | Environmental monitoring | 19 | 964 | 1861 | 1544 |
| 374 | Signal Processing | 18 | 962 | 777 | 372 |
| 375 | Carbon | 20 | 951 | 480 | 522 |
| 376 | Neuropsychiatry | 19 | 945 | 328 | 234 |
| 377 | Gene expression regulation | 14 | 940 | 456 | 382 |
| 378 | Phonetics | 32 | 927 | 33 | 38 |
| 379 | nuclear astrophysics | 14 | 912 | 182 | 116 |
| 380 | Humanities | 41 | 910 | 195 | 73 |
| 381 | gene mapping | 18 | 896 | 937 | 905 |
| 382 | Paleogeography | 8 | 894 | 629 | 292 |
| 383 | Comparative Advertising | 8 | 888 | 27 | 11 |
| 384 | Memory disorders | 10 | 877 | 82 | 29 |
| 385 | Econometrics | 35 | 869 | 318 | 369 |
| 386 | warfare | 14 | 868 | 104 | 72 |
| 387 | Patient education | 12 | 862 | 302 | 188 |
| 388 | international cooperation | 19 | 860 | 139 | 120 |
| 389 | Financial Engineering | 13 | 858 | 17 | 11 |
| 390 | Cosmochemistry | 13 | 846 | 418 | 247 |
| 391 | Nuclear Medicine | 13 | 845 | 607 | 359 |
| 392 | Radioisotopes | 20 | 842 | 423 | 131 |
| 393 | Computational Chemistry | 27 | 837 | 94 | 217 |
| 394 | Critical Care | 17 | 833 | 859 | 992 |
| 394 | Water pollution | 30 | 833 | 911 | 1196 |
| 396 | Nanoparticles | 26 | 832 | 569 | 610 |
| 397 | Otolaryngology | 20 | 828 | 215 | 141 |
| 398 | Futures | 33 | 825 | 14 | 17 |
| 399 | cell interaction | 19 | 820 | 405 | 342 |
| 400 | Personality Assessment | 30 | 813 | 97 | 165 |
| 401 | Immune system | 4 | 809 | 1174 | 816 |
| 402 | Vocational Education | 41 | 807 | 59 | 61 |
| 403 | biopolymers | 34 | 804 | 279 | 367 |
| 404 | Decision making | 28 | 801 | 344 | 394 |
| 405 | optical instruments | 24 | 798 | 94 | 100 |
| 406 | Pathology | 20 | 794 | 1200 | 1180 |
| 406 | women | 85 | 794 | 19 | 45 |
| 408 | Hypertension | 26 | 789 | 657 | 1054 |
| 409 | Investment analysis | 17 | 788 | 154 | 116 |
| 410 | Critical Care Medicine | 12 | 781 | 1029 | 1027 |
| 411 | free radicals | 13 | 773 | 829 | 716 |
| 412 | Earthquake Engineering | 12 | 772 | 683 | 419 |
| 413 | cultural pluralism | 22 | 771 | 26 | 16 |
| 414 | Feminism | 30 | 769 | 68 | 51 |
| 415 | Radiobiology | 16 | 768 | 1017 | 652 |
| 416 | speech therapy | 25 | 765 | 89 | 71 |
| 417 | nucleic acids | 28 | 764 | 638 | 1116 |
| 418 | Women's health | 37 | 763 | 212 | 278 |
| 419 | individual differences | 16 | 755 | 47 | 49 |
| 420 | Molecular Microbiology | 15 | 750 | 424 | 530 |
| 421 | Bioenergetics | 38 | 748 | 152 | 294 |
| 421 | consumer behavior | 21 | 748 | 89 | 147 |
| 421 | Energy metabolism | 38 | 748 | 138 | 260 |
| 424 | chronic disease | 19 | 746 | 87 | 82 |
| 425 | Functional Analysis | 17 | 744 | 563 | 259 |
| 426 | War and Society | 12 | 743 | 78 | 69 |
| 426 | recreation | 35 | 743 | 115 | 101 |
| 428 | Economic Geography | 10 | 742 | 133 | 47 |
| 429 | Atmospheric Physics | 31 | 733 | 591 | 746 |
| 430 | Soft Condensed Matter | 33 | 732 | 274 | 361 |
| 431 | healthcare disparities | 32 | 731 | 64 | 66 |
| 432 | Bilingualism | 22 | 726 | 20 | 34 |
| 433 | sustainability | 11 | 721 | 315 | 311 |
| 434 | Geriatric Psychiatry | 28 | 720 | 273 | 346 |
| 434 | Urban Education | 24 | 720 | 7 | 10 |
| 434 | Atomic spectroscopy | 39 | 720 | 195 | 284 |
| 437 | Algae | 19 | 719 | 283 | 259 |
| 438 | Forensic Psychology | 42 | 718 | 24 | 36 |
| 438 | Medical Physics | 18 | 718 | 851 | 646 |
| 440 | Virulence | 11 | 717 | 705 | 786 |
| 441 | pain | 29 | 714 | 436 | 661 |
| 442 | Ethics | 49 | 713 | 116 | 145 |
| 443 | Transportation | 31 | 712 | 456 | 553 |
| 444 | primary prevention | 18 | 700 | 109 | 51 |
| 445 | Hormones | 19 | 698 | 550 | 577 |
| 446 | Religion | 42 | 697 | 162 | 37 |
| 446 | Library Science | 72 | 697 | 96 | 79 |
| 448 | Soil Mechanics | 8 | 695 | 762 | 402 |
| 448 | Combinatorial analysis | 43 | 695 | 187 | 145 |
| 450 | International Finance | 43 | 694 | 269 | 455 |
| 451 | Seaweed | 18 | 693 | 193 | 200 |
| 452 | Early Childhood Education | 34 | 689 | 71 | 73 |
| 452 | school psychologists | 24 | 689 | 40 | 65 |
| 454 | medical education | 31 | 680 | 566 | 561 |
| 455 | men | 21 | 679 | 20 | 9 |
| 456 | thinking | 15 | 676 | 42 | 26 |
| 457 | Petrology | 19 | 671 | 441 | 457 |
| 458 | Engineering | 45 | 668 | 1092 | 1236 |
| 459 | Social welfare | 26 | 665 | 113 | 93 |
| 460 | DNA methylation | 5 | 663 | 209 | 65 |
| 460 | cell membrane | 30 | 663 | 149 | 251 |
| 462 | Communication Disorders | 26 | 661 | 32 | 36 |
| 463 | Birds | 52 | 652 | 224 | 327 |
| 464 | Quantum Optics | 39 | 647 | 122 | 203 |
| 465 | Community Colleges | 43 | 642 | 13 | 5 |
| 466 | Algebra | 53 | 634 | 270 | 206 |
| 467 | sex crimes | 36 | 631 | 75 | 123 |
| 468 | nuclear magnetic resonance | 43 | 629 | 231 | 385 |
| 469 | Nanophotonics | 13 | 624 | 78 | 66 |
| 469 | Paleoceanography | 6 | 624 | 148 | 111 |
| 471 | Laser Spectroscopy | 34 | 619 | 124 | 183 |
| 472 | Personality Disorders | 16 | 618 | 76 | 86 |
| 473 | ethnic groups | 37 | 616 | 13 | 32 |
| 474 | Entomology | 36 | 614 | 731 | 743 |
| 475 | Process Control | 11 | 609 | 400 | 420 |
| 475 | Informatics | 13 | 609 | 338 | 277 |
| 477 | Molecules | 31 | 608 | 470 | 538 |
| 478 | Sports | 38 | 605 | 575 | 743 |
| 479 | Urology | 18 | 604 | 1074 | 1006 |
| 479 | Corporate governance | 11 | 604 | 158 | 90 |
| 479 | computer networks | 46 | 604 | 394 | 746 |
| 482 | Histochemistry | 18 | 603 | 410 | 317 |
| 482 | Latin America | 112 | 603 | 103 | 120 |
| 484 | United Kingdom | 21 | 600 | 649 | 835 |
| 485 | Environmental Management | 17 | 599 | 1310 | 1543 |
| 486 | Magnetic Resonance Spectroscopy | 41 | 595 | 260 | 398 |
| 487 | Electrophysiology | 17 | 591 | 495 | 312 |
| 488 | Host-parasite interactions | 9 | 586 | 873 | 978 |
| 489 | Agriculture | 21 | 585 | 908 | 891 |
| 490 | Adolescent Medicine | 13 | 582 | 285 | 459 |
| 491 | civil rights | 30 | 580 | 29 | 18 |
| 492 | International Relations | 40 | 577 | 236 | 259 |
| 492 | Academic achievement | 17 | 577 | 4 | 2 |
| 494 | Family Therapy | 35 | 576 | 131 | 176 |
| 495 | Therapeutics | 22 | 574 | 733 | 1065 |
| 496 | Psychiatric hospitals | 17 | 570 | 124 | 94 |
| 497 | Language Development | 19 | 569 | 30 | 49 |
| 498 | Lipid metabolism | 8 | 568 | 204 | 147 |
| 498 | Lipid | 8 | 568 | 205 | 149 |
| 500 | Energy Policy | 13 | 567 | 1404 | 1452 |
| 501 | Chromosome mapping | 17 | 564 | 866 | 1034 |
| 502 | motivation | 15 | 562 | 73 | 96 |
| 503 | Elderly | 92 | 560 | 144 | 182 |
| 504 | Numerical Analysis | 25 | 556 | 859 | 698 |
| 505 | Genetic engineering | 19 | 552 | 945 | 1231 |
| 506 | Discourse Analysis | 13 | 550 | 107 | 65 |
| 507 | drug control | 18 | 549 | 98 | 98 |
| 508 | Leadership | 12 | 547 | 136 | 214 |
| 509 | Sedimentary rocks | 50 | 544 | 24 | 201 |
| 510 | Logic | 40 | 543 | 42 | 47 |
| 511 | Neonatology | 6 | 540 | 478 | 157 |
| 511 | Depression | 9 | 540 | 178 | 220 |
| 511 | Knowledge | 28 | 540 | 78 | 71 |
| 514 | Human Rights | 34 | 539 | 56 | 78 |
| 515 | innovation | 8 | 536 | 342 | 363 |
| 516 | Investments | 17 | 534 | 106 | 61 |
| 517 | Venture Capital | 6 | 533 | 173 | 255 |
| 518 | world | 18 | 530 | 220 | 399 |
| 519 | Political Sociology | 31 | 529 | 40 | 107 |
| 519 | Portfolio Management | 16 | 529 | 66 | 46 |
| 521 | Feminist theory | 12 | 527 | 43 | 20 |
| 522 | Comparative Physiology | 14 | 526 | 388 | 314 |
| 523 | Bones | 15 | 524 | 444 | 488 |
| 524 | Obstetrics | 28 | 522 | 1036 | 1215 |
| 524 | Medical Oncology | 15 | 522 | 1228 | 1131 |
| 524 | Infrared spectroscopy | 9 | 522 | 92 | 26 |
| 524 | libraries | 42 | 522 | 93 | 87 |
| 528 | Plant Ecology | 13 | 521 | 971 | 1024 |
| 528 | Exercise | 11 | 521 | 725 | 429 |
| 530 | Labor Economics | 12 | 518 | 175 | 128 |
| 531 | lasers | 22 | 514 | 605 | 458 |
| 532 | Plant physiology | 11 | 513 | 1317 | 1294 |
| 533 | Social interaction | 15 | 512 | 80 | 85 |
| 534 | Psychiatric Epidemiology | 11 | 507 | 216 | 219 |
| 534 | energy resources | 10 | 507 | 770 | 918 |
| 536 | Green Chemistry | 8 | 506 | 1231 | 1049 |
| 536 | Conservation Biology | 15 | 506 | 504 | 589 |
| 538 | China | 48 | 502 | 595 | 987 |
| 539 | disabilities | 21 | 500 | 175 | 194 |
| 540 | Mineralogy | 19 | 499 | 617 | 610 |
| 541 | Sociobiology | 13 | 497 | 67 | 54 |
| 542 | Insects | 20 | 496 | 576 | 516 |
| 543 | Information Systems | 24 | 493 | 312 | 464 |
| 543 | Wildlife conservation | 17 | 493 | 494 | 740 |
| 543 | Cross-Cultural Studies | 11 | 493 | 247 | 124 |
| 546 | Engineering Geology | 7 | 492 | 1036 | 630 |
| 547 | Molecular cloning | 14 | 491 | 679 | 623 |
| 547 | Genetic recombination | 14 | 491 | 657 | 612 |
| 547 | Recombinant DNA | 15 | 491 | 713 | 670 |
| 550 | Medicinal plants | 12 | 490 | 709 | 684 |
| 551 | Molecular Pharmacology | 17 | 489 | 252 | 423 |
| 552 | Rheology | 13 | 488 | 240 | 186 |
| 553 | Maternal health services | 18 | 487 | 108 | 109 |
| 553 | child mental health | 25 | 487 | 80 | 106 |
| 553 | Vaccines | 21 | 487 | 781 | 971 |
| 556 | Pharmaceutical Technology | 18 | 486 | 612 | 688 |
| 557 | Developmental Neurobiology | 17 | 484 | 111 | 130 |
| 557 | Australia | 42 | 484 | 353 | 576 |
| 559 | Medical Ethics | 34 | 481 | 214 | 275 |
| 560 | Diagnostic microbiology | 8 | 475 | 1047 | 1143 |
| 561 | Urban Policy | 19 | 474 | 162 | 231 |
| 561 | Morphology | 12 | 474 | 382 | 223 |
| 563 | catalytic activity | 16 | 471 | 216 | 265 |
| 564 | Organometallic chemistry | 22 | 467 | 680 | 606 |
| 565 | ethnicity | 50 | 466 | 39 | 101 |
| 566 | Sedimentology | 9 | 463 | 304 | 231 |
| 566 | Emotion | 9 | 463 | 72 | 83 |
| 568 | Differential Equations | 15 | 462 | 404 | 270 |
| 568 | Ornithology | 40 | 462 | 207 | 306 |
| 570 | Bilingual Education | 13 | 461 | 11 | 7 |
| 571 | conflict management | 10 | 459 | 107 | 80 |
| 572 | Intercultural Communication | 11 | 458 | 114 | 74 |
| 573 | Social History | 30 | 457 | 68 | 49 |
| 573 | Socioeconomic Factors | 21 | 457 | 183 | 252 |
| 575 | Energy Conversion | 7 | 454 | 915 | 941 |
| 576 | Soil Science | 16 | 453 | 840 | 974 |
| 577 | drug development | 4 | 451 | 1152 | 953 |
| 578 | Oxidative stress | 5 | 449 | 1038 | 673 |
| 579 | Aggression | 16 | 448 | 138 | 201 |
| 580 | Marriage | 18 | 447 | 137 | 145 |
| 581 | histological techniques | 12 | 445 | 326 | 419 |
| 582 | Oxidation-reduction | 3 | 442 | 1027 | 638 |
| 583 | Sustainable Engineering | 7 | 441 | 1195 | 877 |
| 583 | Medical Microbiology | 12 | 441 | 1558 | 1793 |
| 585 | Solar System | 10 | 437 | 553 | 492 |
| 586 | working class | 67 | 435 | 3 | 85 |
| 586 | Development | 21 | 435 | 215 | 426 |
| 588 | labor | 56 | 434 | 5 | 87 |
| 588 | social science | 16 | 434 | 22 | 66 |
| 590 | Sleep Disorders | 21 | 433 | 756 | 889 |
| 591 | coal | 12 | 429 | 822 | 906 |
| 592 | Paleontology | 21 | 427 | 542 | 549 |
| 593 | Health insurance | 22 | 422 | 122 | 227 |
| 594 | Physical organic chemistry | 20 | 421 | 513 | 541 |
| 595 | Information Theory | 18 | 420 | 411 | 440 |
| 595 | Chromatographic analysis | 13 | 420 | 1004 | 711 |
| 597 | Economic Assistance | 18 | 416 | 191 | 396 |
| 598 | Writing | 18 | 414 | 41 | 65 |
| 599 | Student Health Services | 18 | 413 | 64 | 71 |
| 599 | deviant behavior | 19 | 413 | 51 | 52 |
| 601 | Tourism | 12 | 412 | 802 | 854 |
| 602 | Clinical Immunology | 7 | 411 | 1114 | 708 |
| 603 | Medical innovations | 3 | 410 | 1364 | 1095 |
| 603 | Africa | 41 | 410 | 271 | 372 |
| 605 | econometric models | 7 | 408 | 328 | 158 |
| 606 | Political Geography | 18 | 406 | 58 | 87 |
| 606 | Neuroanatomy | 2 | 406 | 367 | 55 |
| 608 | Language and Education | 12 | 405 | 17 | 6 |
| 609 | Estuaries | 9 | 403 | 84 | 105 |
| 609 | Literacy | 22 | 403 | 49 | 48 |
| 609 | brain mapping | 8 | 403 | 471 | 488 |
| 609 | educational innovations | 27 | 403 | 63 | 140 |
| 613 | Sleep | 20 | 401 | 789 | 934 |
| 614 | Electrochemical Analysis | 19 | 400 | 578 | 677 |
| 615 | industrial relations | 30 | 398 | 180 | 260 |
| 616 | dissociative disorders | 8 | 396 | 27 | 12 |
| 616 | energy development | 3 | 396 | 989 | 505 |
| 618 | Synaptic Transmission | 11 | 393 | 223 | 217 |
| 619 | Urban Geography | 20 | 392 | 38 | 51 |
| 619 | Statistical Mechanics | 33 | 392 | 238 | 303 |
| 619 | Public opinion | 13 | 392 | 128 | 137 |
| 619 | peptides | 40 | 392 | 67 | 217 |
| 619 | Liposomes | 16 | 392 | 126 | 215 |
| 624 | Computational Complexity | 24 | 390 | 176 | 173 |
| 625 | Lipid bilayers | 15 | 389 | 117 | 198 |
| 626 | Health Services Research | 24 | 388 | 554 | 831 |
| 626 | Second Language Acquisition | 12 | 388 | 50 | 95 |
| 626 | carcinogens | 4 | 388 | 1118 | 649 |
| 629 | Auditing | 18 | 386 | 65 | 140 |
| 629 | carbonate rocks | 46 | 386 | 5 | 8 |
| 631 | international trade | 18 | 385 | 149 | 227 |
| 632 | Carcinogenesis | 6 | 384 | 860 | 670 |
| 632 | Population | 28 | 384 | 223 | 427 |
| 634 | Asia | 42 | 383 | 517 | 829 |
| 635 | Gender identity | 26 | 381 | 16 | 25 |
| 636 | Human Capital | 10 | 378 | 66 | 57 |
| 637 | Mixed methods research | 2 | 374 | 70 | 27 |
| 638 | biological factors | 11 | 373 | 1126 | 998 |
| 638 | Steroids | 23 | 373 | 309 | 542 |
| 640 | correctional psychology | 14 | 372 | 66 | 93 |
| 641 | Telecommunication Systems | 23 | 371 | 431 | 518 |
| 642 | Ocean Engineering | 10 | 370 | 1008 | 852 |
| 642 | consumers | 6 | 370 | 226 | 132 |
| 644 | occupational diseases | 15 | 369 | 391 | 471 |
| 645 | Automation | 12 | 368 | 987 | 931 |
| 646 | Asthma | 12 | 367 | 292 | 230 |
| 646 | Systems Biology | 17 | 367 | 626 | 800 |
| 648 | Open Access Publishing | 9 | 366 | 36 | 15 |
| 649 | health planning | 23 | 364 | 697 | 869 |
| 650 | Educational Anthropology | 19 | 362 | 16 | 17 |
| 651 | Cognitive Therapy | 19 | 360 | 183 | 279 |
| 651 | Organometallic compounds | 6 | 360 | 1010 | 592 |
| 653 | Multilingualism | 9 | 358 | 96 | 48 |
| 654 | visualization | 44 | 357 | 273 | 307 |
| 654 | drug therapy | 23 | 357 | 1092 | 1639 |
| 656 | Diagnostic Imaging | 18 | 356 | 915 | 1189 |
| 656 | Reproduction | 20 | 356 | 1137 | 1419 |
| 658 | Public Spaces | 6 | 353 | 24 | 3 |
| 658 | personal space | 6 | 353 | 18 | 3 |
| 660 | Biochemical Engineering | 11 | 352 | 2102 | 3021 |
| 661 | Microorganisms | 7 | 351 | 921 | 980 |
| 662 | Hydrodynamics | 7 | 349 | 403 | 304 |
| 663 | Geomorphology | 10 | 348 | 862 | 898 |
| 663 | Chromatography | 10 | 348 | 1022 | 741 |
| 663 | Approximation Theory | 10 | 348 | 205 | 88 |
| 666 | Geometry | 33 | 347 | 291 | 263 |
| 666 | Fluid Dynamics | 10 | 347 | 699 | 533 |
| 666 | Demographic research | 5 | 347 | 99 | 100 |
| 669 | psychopathology | 14 | 346 | 122 | 190 |
| 670 | mutagens | 3 | 344 | 1083 | 656 |
| 671 | Political Psychology | 15 | 343 | 105 | 174 |
| 671 | Hospitals | 17 | 343 | 246 | 302 |
| 671 | mental processes | 9 | 343 | 167 | 92 |
| 674 | Magnetohydrodynamics | 24 | 341 | 109 | 151 |
| 674 | fuel cells | 7 | 341 | 956 | 930 |
| 676 | Medical genetics | 11 | 340 | 2136 | 2640 |
| 677 | Bioethics | 24 | 339 | 217 | 276 |
| 677 | Fracture mechanics | 5 | 339 | 1288 | 699 |
| 677 | Zeolites | 8 | 339 | 560 | 512 |
| 677 | Breeding | 7 | 339 | 924 | 719 |
| 681 | Visual Communication | 13 | 338 | 110 | 78 |
| 682 | Immunopathology | 5 | 336 | 1418 | 961 |
| 683 | Energy Storage | 5 | 335 | 1124 | 707 |
| 683 | drugs | 26 | 335 | 748 | 1297 |
| 685 | Hydraulic Engineering | 7 | 334 | 706 | 436 |
| 685 | Sports Medicine | 39 | 334 | 746 | 1358 |
| 685 | Hydrometeorology | 11 | 334 | 103 | 186 |
| 685 | Natural resources | 6 | 334 | 567 | 436 |
| 685 | investigative techniques | 11 | 334 | 22 | 44 |
| 690 | Image enhancement | 9 | 333 | 113 | 77 |
| 691 | DNA polymerases | 1 | 332 | 1011 | 652 |
| 692 | animals | 20 | 331 | 415 | 470 |
| 692 | Fisheries | 16 | 331 | 840 | 977 |
| 694 | Environmental Chemistry | 14 | 329 | 1046 | 1628 |
| 694 | Forecasting | 15 | 329 | 136 | 217 |
| 696 | economic forecasting | 9 | 328 | 130 | 169 |
| 696 | Social Change | 22 | 328 | 186 | 658 |
| 696 | mammals | 16 | 328 | 417 | 493 |
| 696 | synthesis | 16 | 328 | 343 | 241 |
| 700 | atmosphere | 5 | 327 | 709 | 408 |
| 701 | Metacognition | 3 | 325 | 53 | 28 |
| 701 | Hallucinogens | 17 | 325 | 25 | 62 |
| 703 | Educational Technology | 29 | 323 | 306 | 640 |
| 703 | Globalization | 14 | 323 | 146 | 190 |
| 703 | concrete | 3 | 323 | 1150 | 699 |
| 706 | population trends | 3 | 322 | 82 | 81 |
| 707 | Human genetics | 7 | 321 | 2039 | 3286 |
| 708 | Sexual health | 11 | 320 | 415 | 357 |
| 709 | Atmospheric Chemistry | 8 | 319 | 713 | 824 |
| 709 | Endocrine glands | 4 | 319 | 237 | 298 |
| 711 | Welfare Economics | 5 | 315 | 350 | 238 |
| 712 | Educational Sociology | 10 | 314 | 119 | 85 |
| 712 | Drug discovery | 4 | 314 | 237 | 99 |
| 714 | International security | 6 | 313 | 145 | 146 |
| 715 | Herbal medicine | 6 | 312 | 491 | 376 |
| 716 | Great Lakes | 1 | 311 | 494 | 117 |
| 716 | internet | 34 | 311 | 170 | 488 |
| 718 | Hemodynamics | 4 | 310 | 704 | 575 |
| 718 | Microcirculation | 5 | 310 | 408 | 204 |
| 718 | soil microbiology | 7 | 310 | 1106 | 1310 |
| 718 | African Americans | 28 | 310 | 16 | 32 |
| 722 | Stress | 9 | 309 | 81 | 83 |
| 723 | complementary therapies | 17 | 308 | 796 | 972 |
| 723 | Political Participation | 18 | 308 | 67 | 123 |
| 723 | Chemical analysis | 3 | 308 | 1491 | 648 |
| 726 | Land Use Planning | 3 | 306 | 413 | 199 |
| 726 | Social Issues | 17 | 306 | 47 | 114 |
| 728 | Radiology | 9 | 305 | 1226 | 821 |
| 729 | Marine Meteorology | 5 | 304 | 341 | 257 |
| 729 | Positive Psychology | 2 | 304 | 219 | 105 |
| 729 | Electrons | 1 | 304 | 261 | 13 |
| 729 | police | 29 | 304 | 46 | 83 |
| 733 | Quality of life | 14 | 303 | 633 | 981 |
| 734 | Peptide | 26 | 302 | 24 | 60 |
| 734 | family violence | 16 | 302 | 119 | 202 |
| 736 | Graph Theory | 14 | 301 | 325 | 199 |
| 737 | Primary health care | 21 | 300 | 641 | 920 |
| 737 | Human biology | 20 | 300 | 159 | 243 |
| 739 | Criminal Law | 13 | 298 | 74 | 96 |
| 739 | Development Economics | 12 | 298 | 131 | 210 |
| 739 | Organizational Behavior | 18 | 298 | 187 | 409 |
| 739 | Hemostasis | 4 | 298 | 910 | 410 |
| 739 | Biogeochemical cycles | 3 | 298 | 537 | 476 |
| 739 | Thrombosis | 4 | 298 | 1268 | 825 |
| 739 | Magnetic Materials | 8 | 298 | 1065 | 873 |
| 746 | Scandinavia | 4 | 296 | 593 | 231 |
| 747 | Ceramics | 12 | 295 | 837 | 824 |
| 748 | Semiconductors | 23 | 294 | 722 | 944 |
| 748 | Dyslexia | 2 | 294 | 216 | 61 |
| 748 | foreign exchange | 7 | 294 | 194 | 198 |
| 751 | Psychosomatic Medicine | 12 | 293 | 448 | 631 |
| 751 | Wireless Communication Systems | 20 | 293 | 786 | 846 |
| 751 | Evidence-Based Medicine | 7 | 293 | 908 | 498 |
| 754 | plant communities | 8 | 292 | 745 | 900 |
| 754 | Leisure | 6 | 292 | 245 | 152 |
| 756 | Energy Harvesting | 1 | 291 | 808 | 463 |
| 756 | enzymes | 29 | 291 | 391 | 1049 |
| 758 | Computational Fluid Dynamics | 5 | 289 | 546 | 268 |
| 758 | social justice | 39 | 289 | 6 | 24 |
| 758 | Glass | 11 | 289 | 654 | 735 |
| 758 | pottery | 11 | 289 | 637 | 725 |
| 762 | health and race | 14 | 286 | 57 | 72 |
| 763 | elasticity | 7 | 283 | 134 | 65 |
| 763 | Biometrics | 16 | 283 | 520 | 650 |
| 765 | Composite Materials | 8 | 282 | 2002 | 1998 |
| 765 | Cement | 2 | 282 | 839 | 532 |
| 767 | Sites | 7 | 281 | 381 | 409 |
| 767 | RNA | 17 | 281 | 165 | 428 |
| 769 | tomography | 13 | 280 | 138 | 148 |
| 770 | intervention | 6 | 278 | 69 | 12 |
| 771 | Multicultural Education | 20 | 277 | 55 | 100 |
| 771 | Genetic regulation | 9 | 277 | 793 | 1124 |
| 773 | Infertility | 13 | 275 | 669 | 893 |
| 773 | fertility | 13 | 275 | 704 | 951 |
| 775 | Geopolitics | 12 | 274 | 55 | 44 |
| 775 | California | 15 | 274 | 174 | 210 |
| 777 | System analysis | 43 | 272 | 496 | 1336 |
| 777 | Criticism | 13 | 272 | 90 | 9 |
| 779 | Adult Education | 39 | 271 | 65 | 136 |
| 779 | Radiotherapy | 7 | 271 | 323 | 129 |
| 779 | Eastern Europe | 30 | 271 | 119 | 181 |
| 782 | Microscopy | 15 | 269 | 729 | 795 |
| 783 | Chromosomes | 11 | 268 | 560 | 768 |
| 784 | Digestive system diseases | 10 | 266 | 650 | 669 |
| 785 | Southeast Asia | 5 | 264 | 314 | 66 |
| 786 | Computer Science | 18 | 262 | 805 | 855 |
| 787 | educational statistics | 7 | 260 | 51 | 58 |
| 787 | Marriage counseling | 10 | 260 | 126 | 162 |
| 787 | mathematical analysis | 38 | 260 | 811 | 1097 |
| 790 | Intelligence | 8 | 258 | 124 | 174 |
| 791 | Cognitive Psychology | 11 | 257 | 132 | 124 |
| 791 | Metallurgy | 14 | 257 | 1369 | 1513 |
| 791 | Molecular Spectroscopy | 13 | 257 | 905 | 1034 |
| 794 | Ecological Genetics | 10 | 256 | 297 | 224 |
| 795 | Pharmacy | 9 | 255 | 1513 | 1492 |
| 795 | Dermatology | 7 | 255 | 1580 | 1307 |
| 795 | DNA | 7 | 255 | 340 | 264 |
| 798 | Language and Culture | 12 | 254 | 23 | 11 |
| 798 | Language teaching | 3 | 254 | 54 | 19 |
| 798 | second language | 3 | 254 | 54 | 19 |
| 801 | Mechanical Engineering | 6 | 253 | 2200 | 1108 |
| 802 | Petroleum Engineering | 6 | 252 | 573 | 395 |
| 802 | masculinity | 10 | 252 | 6 | 28 |
| 804 | Geobiology | 15 | 251 | 166 | 282 |
| 804 | negotiation | 6 | 251 | 29 | 17 |
| 804 | harm reduction | 10 | 251 | 69 | 77 |
| 807 | Ethnic relations | 36 | 250 | 46 | 165 |
| 807 | amino acids | 7 | 250 | 339 | 345 |
| 807 | Cell metabolism | 4 | 250 | 751 | 1047 |
| 810 | Control Theory | 3 | 248 | 1967 | 842 |
| 810 | Genetic therapy | 4 | 248 | 1423 | 1167 |
| 812 | Water quality management | 13 | 247 | 897 | 979 |
| 812 | Blood vessels | 4 | 247 | 339 | 183 |
| 814 | Higher Education | 14 | 246 | 192 | 242 |
| 814 | Cytogenetics | 7 | 246 | 1337 | 1681 |
| 814 | Communication in medicine | 13 | 246 | 220 | 289 |
| 814 | telemarketing | 1 | 246 | 197 | 59 |
| 818 | energy conservation | 6 | 245 | 1585 | 1602 |
| 818 | Religion and Culture | 8 | 245 | 113 | 41 |
| 820 | Nonprofit organizations | 13 | 244 | 76 | 135 |
| 821 | Matroids | 7 | 243 | 130 | 94 |
| 822 | Parasitology | 14 | 242 | 1386 | 1624 |
| 823 | planning | 28 | 241 | 88 | 252 |
| 824 | Medical Technology | 12 | 239 | 941 | 1204 |
| 825 | Group decision making | 8 | 237 | 252 | 244 |
| 826 | Computer-Aided Design | 8 | 236 | 774 | 667 |
| 827 | economic conditions | 11 | 235 | 280 | 357 |
| 828 | Securities | 5 | 234 | 188 | 145 |
| 828 | social conflict | 11 | 234 | 59 | 55 |
| 828 | paraphilias | 7 | 234 | 76 | 89 |
| 828 | Prisons | 17 | 234 | 63 | 65 |
| 832 | Microeconomics | 6 | 233 | 218 | 208 |
| 833 | Mobile genetic elements | 4 | 232 | 51 | 28 |
| 833 | Online social networks | 4 | 232 | 223 | 94 |
| 833 | urban population | 9 | 232 | 90 | 220 |
| 833 | school environment | 5 | 232 | 57 | 27 |
| 837 | Qualitative Research | 7 | 231 | 300 | 238 |
| 838 | Biofeedback | 2 | 230 | 162 | 52 |
| 838 | Reproductive health | 13 | 230 | 342 | 483 |
| 838 | Critical theory | 8 | 230 | 56 | 24 |
| 841 | Economic Thought | 8 | 229 | 142 | 311 |
| 842 | Comparative Psychology | 9 | 228 | 46 | 120 |
| 842 | Social Networks | 4 | 228 | 233 | 174 |
| 842 | Mass Media | 36 | 228 | 158 | 207 |
| 842 | elder abuse | 10 | 228 | 133 | 174 |
| 846 | Anthropological Linguistics | 19 | 227 | 35 | 31 |
| 846 | Crystallography | 16 | 227 | 859 | 703 |
| 846 | natural disasters | 20 | 227 | 338 | 861 |
| 849 | Mycology | 14 | 226 | 883 | 1265 |
| 849 | Middle East | 22 | 226 | 217 | 297 |
| 851 | Developmental Genetics | 11 | 225 | 337 | 738 |
| 851 | infection | 9 | 225 | 1195 | 1517 |
| 853 | Social Movements | 7 | 223 | 51 | 17 |
| 853 | Citizenship | 8 | 223 | 30 | 43 |
| 855 | optical devices | 13 | 222 | 143 | 183 |
| 856 | Quality Control | 10 | 220 | 988 | 1170 |
| 856 | Contraception | 14 | 220 | 241 | 396 |
| 858 | population policy | 11 | 219 | 47 | 64 |
| 858 | probabilities | 41 | 219 | 306 | 580 |
| 860 | Alternative Medicine | 9 | 218 | 1182 | 1242 |
| 860 | Radiation | 14 | 218 | 1199 | 1394 |
| 860 | Consumer Protection | 2 | 218 | 281 | 104 |
| 860 | Consumer education | 2 | 218 | 491 | 208 |
| 860 | urban forestry | 4 | 218 | 195 | 109 |
| 860 | transport vesicles | 3 | 218 | 256 | 482 |
| 860 | Economic planning | 19 | 218 | 72 | 250 |
| 867 | Plant Taxonomy | 6 | 217 | 336 | 253 |
| 867 | Long-Term Care | 5 | 217 | 492 | 485 |
| 867 | Long-term care facilities | 5 | 217 | 486 | 485 |
| 867 | mutation | 8 | 217 | 375 | 591 |
| 867 | Written communication | 3 | 217 | 88 | 53 |
| 872 | Geriatric Medicine | 10 | 216 | 38 | 67 |
| 872 | Environmental Geology | 7 | 216 | 1141 | 1106 |
| 874 | History of Medicine | 31 | 215 | 78 | 79 |
| 875 | Neuroimmunology | 9 | 213 | 450 | 747 |
| 875 | sexual orientation | 10 | 213 | 11 | 23 |
| 875 | Homeostasis | 3 | 213 | 607 | 1065 |
| 875 | North America | 21 | 213 | 261 | 453 |
| 879 | Systems Engineering | 4 | 212 | 2225 | 1114 |
| 879 | Soil biology | 4 | 212 | 935 | 959 |
| 879 | Imagination | 6 | 212 | 32 | 15 |
| 882 | Ergonomics | 12 | 210 | 563 | 575 |
| 883 | Financial Institutions | 7 | 208 | 206 | 204 |
| 884 | Sports Psychology | 3 | 207 | 114 | 77 |
| 884 | Pharmacogenetics | 3 | 207 | 1427 | 1031 |
| 886 | biomedicine | 7 | 206 | 579 | 524 |
| 887 | Career development | 15 | 205 | 95 | 143 |
| 888 | Arts | 30 | 204 | 41 | 35 |
| 889 | Respiration | 5 | 203 | 1535 | 1412 |
| 890 | poverty | 11 | 202 | 113 | 196 |
| 890 | civilization | 109 | 202 | 63 | 113 |
| 892 | Philosophy of Mind | 9 | 201 | 82 | 82 |
| 892 | Palliative Care | 24 | 201 | 228 | 557 |
| 892 | Public Speaking | 25 | 201 | 26 | 42 |
| 892 | Aquaculture | 7 | 201 | 1130 | 1050 |
| 896 | Rheumatology | 7 | 200 | 1068 | 1222 |
| 896 | Organelle biogenesis | 4 | 200 | 188 | 117 |
| 898 | Action Research | 6 | 199 | 121 | 57 |
| 899 | Mobile Computing | 11 | 198 | 507 | 508 |
| 899 | child sexual abuse | 7 | 198 | 43 | 42 |
| 899 | Biomolecules | 3 | 198 | 527 | 440 |
| 899 | civil service | 14 | 198 | 109 | 222 |
| 903 | History | 92 | 196 | 123 | 178 |
| 903 | land tenure | 6 | 196 | 28 | 33 |
| 903 | Land reform | 6 | 196 | 30 | 33 |
| 906 | Public Choice | 6 | 195 | 226 | 227 |
| 906 | Methodology | 4 | 195 | 434 | 142 |
| 908 | food technology | 5 | 194 | 2411 | 2148 |
| 908 | Synapses | 8 | 194 | 162 | 235 |
| 910 | Astrocytes | 7 | 193 | 359 | 611 |
| 910 | Groundwater | 6 | 193 | 552 | 443 |
| 910 | curriculum planning | 7 | 193 | 91 | 61 |
| 913 | Journalism | 9 | 192 | 284 | 201 |
| 913 | Neuroplasticity | 6 | 192 | 194 | 204 |
| 913 | neuronal plasticity | 6 | 192 | 143 | 181 |
| 913 | environmental exposure | 17 | 192 | 780 | 1646 |
| 917 | Systems Analysis | 26 | 191 | 211 | 616 |
| 917 | Ethnic Conflict | 13 | 191 | 71 | 138 |
| 917 | forced migration | 13 | 191 | 71 | 138 |
| 920 | Real Estate Investment | 5 | 190 | 128 | 75 |
| 920 | Self | 10 | 190 | 40 | 92 |
| 922 | Speech-Language Pathology | 6 | 189 | 167 | 119 |
| 922 | industrial hygiene | 9 | 189 | 653 | 496 |
| 922 | Transplantation | 7 | 189 | 1097 | 1336 |
| 925 | Fluorescence spectroscopy | 3 | 187 | 326 | 147 |
| 926 | Analytical Toxicology | 9 | 186 | 103 | 140 |
| 926 | Disability Studies | 27 | 186 | 17 | 87 |
| 926 | Feminist psychology | 12 | 186 | 18 | 40 |
| 929 | soil conservation | 4 | 185 | 752 | 557 |
| 929 | soil pollution | 5 | 185 | 410 | 304 |
| 929 | psychophysics | 12 | 185 | 107 | 159 |
| 929 | arthritis | 7 | 185 | 1117 | 1505 |
| 933 | terrorism | 13 | 184 | 66 | 95 |
| 933 | mycoses | 3 | 184 | 1096 | 1050 |
| 935 | Global Health | 12 | 183 | 495 | 581 |
| 936 | Mathematics Education | 16 | 182 | 110 | 176 |
| 936 | Urban Economics | 10 | 182 | 150 | 324 |
| 938 | Documentation | 15 | 181 | 83 | 199 |
| 938 | sex differences | 3 | 181 | 141 | 102 |
| 938 | Genes | 8 | 181 | 784 | 889 |
| 941 | Music | 42 | 180 | 98 | 398 |
| 942 | Minerals | 4 | 179 | 736 | 468 |
| 943 | Marine Ecology | 10 | 177 | 438 | 504 |
| 943 | Simulation Methods | 19 | 177 | 191 | 514 |
| 943 | Capital market | 1 | 177 | 803 | 275 |
| 946 | Phytotherapy | 9 | 176 | 433 | 632 |
| 947 | Electrical Engineering | 56 | 175 | 871 | 1712 |
| 947 | Aquatic ecology | 4 | 175 | 1019 | 729 |
| 949 | Mechatronics | 3 | 174 | 801 | 370 |
| 949 | epilepsy | 5 | 174 | 959 | 807 |
| 949 | Critical Legal Studies | 20 | 174 | 7 | 22 |
| 949 | Multivariate Analysis | 14 | 174 | 140 | 305 |
| 949 | Collective behavior | 6 | 174 | 22 | 22 |
| 949 | Allergy | 4 | 174 | 1420 | 1694 |
| 955 | Database Management | 6 | 173 | 642 | 627 |
| 955 | Infections | 5 | 173 | 1193 | 1423 |
| 957 | Aesthetics | 21 | 172 | 26 | 15 |
| 957 | Socialism | 23 | 172 | 21 | 76 |
| 959 | Pediatric Nursing | 11 | 171 | 188 | 218 |
| 959 | disarmament | 6 | 171 | 108 | 77 |
| 959 | Roads | 16 | 171 | 338 | 422 |
| 962 | Inclusive Education | 9 | 170 | 45 | 68 |
| 962 | Integration | 9 | 170 | 42 | 66 |
| 964 | emergency management | 11 | 169 | 352 | 603 |
| 964 | Invertebrates | 6 | 169 | 461 | 435 |
| 966 | Wildlife management | 9 | 168 | 369 | 353 |
| 966 | Tropical Medicine | 4 | 168 | 2124 | 1406 |
| 968 | nuclear magnetic resonance spectroscopy | 14 | 167 | 325 | 495 |
| 968 | minority groups | 9 | 167 | 22 | 19 |
| 970 | Adsorption | 2 | 166 | 316 | 104 |
| 970 | Psychoanalytic theory | 13 | 166 | 14 | 27 |
| 970 | Protozoa | 5 | 166 | 356 | 350 |
| 973 | Drug design | 7 | 165 | 1291 | 1611 |
| 973 | Organic Geochemistry | 3 | 165 | 454 | 420 |
| 973 | psychiatric disorders | 4 | 165 | 26 | 16 |
| 973 | Birth control | 11 | 165 | 188 | 373 |
| 977 | Technological Innovations | 7 | 164 | 660 | 751 |
| 977 | Criminal behavior | 11 | 164 | 49 | 93 |
| 979 | Cytoskeleton | 14 | 162 | 78 | 245 |
| 979 | extraterrestrial environment | 12 | 162 | 270 | 347 |
| 979 | Peasants | 6 | 162 | 37 | 47 |
| 979 | astronomical phenomena | 12 | 162 | 250 | 310 |
| 983 | Ecological Engineering | 5 | 161 | 538 | 663 |
| 983 | machinery | 2 | 161 | 1140 | 451 |
| 983 | Work | 17 | 161 | 71 | 186 |
| 983 | administrative agencies | 3 | 161 | 298 | 160 |
| 987 | Crime prevention | 10 | 160 | 113 | 108 |
| 987 | Censorship | 1 | 160 | 88 | 1 |
| 989 | Physical Therapy | 15 | 159 | 621 | 1332 |
| 989 | Traffic Engineering | 2 | 159 | 575 | 349 |
| 991 | African American | 15 | 158 | 24 | 44 |
| 992 | Fishery management | 6 | 157 | 687 | 628 |
| 993 | Solar Energy | 7 | 155 | 1276 | 1710 |
| 993 | Mass Spectrometry | 5 | 155 | 1210 | 1081 |
| 995 | Geriatric Nursing | 9 | 154 | 200 | 176 |
| 995 | calcification | 1 | 154 | 1171 | 607 |
| 997 | Psychoneuroimmunology | 8 | 153 | 438 | 854 |
| 997 | Race | 5 | 153 | 35 | 26 |
| 997 | refugees | 6 | 153 | 147 | 121 |
| 997 | Heterocyclic compounds | 11 | 153 | 546 | 495 |