| 1 | Chemistry | 935 | 83.4K | 443 | 268 |
| 2 | Physics | 602 | 63.4K | 610 | 410 |
| 3 | United States | 1,014 | 39.5K | 95 | 66 |
| 4 | Biology | 398 | 37.7K | 605 | 508 |
| 5 | Science | 357 | 37.4K | 696 | 510 |
| 6 | management | 219 | 36.3K | 168 | 50 |
| 7 | Psychology | 490 | 35.4K | 188 | 104 |
| 8 | Economics | 390 | 26.7K | 171 | 75 |
| 9 | marketing | 132 | 25.8K | 74 | 22 |
| 10 | Solid State Physics | 379 | 21.9K | 299 | 169 |
| 11 | Condensed Matter | 373 | 21.8K | 272 | 181 |
| 12 | Natural history | 76 | 21.8K | 492 | 418 |
| 13 | Business | 137 | 19.9K | 58 | 30 |
| 14 | Biochemistry | 415 | 17.1K | 781 | 700 |
| 15 | Molecular Biology | 222 | 17.1K | 864 | 597 |
| 16 | Nanotechnology | 142 | 16.4K | 673 | 328 |
| 17 | Social Psychology | 229 | 15.4K | 104 | 93 |
| 18 | Public Health | 181 | 14.5K | 460 | 241 |
| 19 | Sociology | 240 | 14.4K | 132 | 78 |
| 20 | commerce | 37 | 12.2K | 207 | 41 |
| 21 | Econometrics | 109 | 12.1K | 75 | 43 |
| 22 | Education | 433 | 11.9K | 94 | 95 |
| 23 | Medicine | 242 | 11.3K | 938 | 795 |
| 24 | Child Development | 236 | 10.7K | 68 | 90 |
| 25 | finance | 126 | 10.3K | 129 | 36 |
| 26 | Neurology | 170 | 10.0K | 638 | 560 |
| 27 | Geophysics | 225 | 10.0K | 335 | 304 |
| 28 | Social behavior | 40 | 9.6K | 202 | 27 |
| 29 | Materials | 82 | 9.5K | 1319 | 625 |
| 30 | Biotechnology | 52 | 9.2K | 1351 | 534 |
| 31 | Bioengineering | 47 | 9.0K | 973 | 338 |
| 32 | miniaturization | 44 | 9.0K | 331 | 119 |
| 33 | Structuralism | 12 | 8.9K | 40 | 2 |
| 33 | Social Networks | 12 | 8.9K | 61 | 2 |
| 35 | Microelectronics | 41 | 8.9K | 381 | 108 |
| 36 | Sales management | 13 | 8.9K | 54 | 1 |
| 36 | selling | 13 | 8.9K | 54 | 1 |
| 38 | Cognition | 165 | 8.7K | 116 | 100 |
| 39 | Vocational guidance | 148 | 8.4K | 30 | 26 |
| 40 | personality | 72 | 8.4K | 194 | 101 |
| 41 | Adolescent | 181 | 8.1K | 99 | 59 |
| 42 | Social Sciences | 216 | 8.0K | 141 | 101 |
| 43 | Child psychology | 182 | 7.6K | 84 | 125 |
| 44 | Geriatrics | 280 | 7.5K | 122 | 160 |
| 45 | Research | 223 | 7.2K | 824 | 806 |
| 46 | Psychophysiology | 126 | 7.2K | 351 | 298 |
| 47 | Microbiology | 90 | 6.7K | 1089 | 784 |
| 48 | Behavior | 163 | 6.5K | 266 | 333 |
| 49 | older people | 251 | 6.2K | 55 | 26 |
| 50 | organization | 64 | 6.1K | 48 | 70 |
| 51 | adolescence | 90 | 6.0K | 55 | 30 |
| 52 | Health | 99 | 5.9K | 174 | 99 |
| 53 | Energy Conversion | 17 | 5.7K | 454 | 148 |
| 54 | Cytology | 88 | 5.7K | 683 | 624 |
| 55 | counseling | 102 | 5.6K | 110 | 43 |
| 56 | Cognitive Science | 99 | 5.5K | 70 | 97 |
| 57 | Organic Chemistry | 108 | 5.5K | 396 | 242 |
| 58 | Earth Sciences | 33 | 5.4K | 947 | 267 |
| 59 | Developmental Psychology | 119 | 5.4K | 51 | 72 |
| 60 | Cognitive neuroscience | 89 | 5.3K | 82 | 113 |
| 61 | Chemical Engineering | 20 | 5.2K | 1949 | 662 |
| 62 | human behavior | 90 | 5.0K | 285 | 306 |
| 63 | Statistical physics | 98 | 5.0K | 647 | 423 |
| 64 | Neurophysiology | 102 | 5.0K | 416 | 412 |
| 65 | Environmental Chemistry | 11 | 4.7K | 980 | 213 |
| 66 | Composite Materials | 1 | 4.7K | 3076 | 311 |
| 67 | Teaching | 100 | 4.6K | 115 | 80 |
| 68 | Photonics | 21 | 4.6K | 710 | 212 |
| 69 | Psychiatry | 162 | 4.5K | 397 | 544 |
| 70 | Materials Science | 99 | 4.5K | 743 | 662 |
| 71 | Counseling Psychology | 56 | 4.4K | 8 | 5 |
| 72 | Brain | 72 | 4.4K | 505 | 369 |
| 73 | Genetics | 67 | 4.3K | 602 | 545 |
| 74 | Emotions | 56 | 4.3K | 45 | 31 |
| 75 | Astrophysics | 136 | 4.2K | 550 | 739 |
| 76 | Mathematical Economics | 13 | 4.1K | 99 | 29 |
| 77 | Optics | 83 | 4.1K | 851 | 446 |
| 78 | Planets | 78 | 4.1K | 262 | 244 |
| 79 | Business Ethics | 69 | 4.1K | 13 | 48 |
| 80 | Bioorganic chemistry | 61 | 4.0K | 474 | 281 |
| 81 | Social work | 229 | 4.0K | 43 | 53 |
| 82 | Nonlinear Dynamics | 40 | 3.9K | 556 | 209 |
| 83 | Economic History | 101 | 3.9K | 323 | 193 |
| 84 | Cell Biology | 45 | 3.8K | 932 | 767 |
| 85 | Computational Biology | 28 | 3.7K | 647 | 294 |
| 86 | Environment | 71 | 3.7K | 889 | 981 |
| 87 | Catalysis | 56 | 3.6K | 981 | 746 |
| 88 | Aging | 269 | 3.6K | 119 | 296 |
| 89 | Nursing | 145 | 3.6K | 71 | 61 |
| 90 | Light | 7 | 3.6K | 566 | 141 |
| 91 | Production Management | 42 | 3.6K | 152 | 122 |
| 92 | Aerosols | 30 | 3.5K | 102 | 22 |
| 93 | genome | 16 | 3.5K | 509 | 249 |
| 94 | Physical Chemistry | 72 | 3.5K | 327 | 280 |
| 95 | Bioinformatics | 23 | 3.5K | 616 | 242 |
| 96 | Statistics | 59 | 3.5K | 550 | 249 |
| 97 | fuel cells | 15 | 3.5K | 499 | 164 |
| 98 | Growth | 59 | 3.4K | 163 | 215 |
| 99 | Research Design | 31 | 3.4K | 227 | 104 |
| 100 | Atmospheric Physics | 66 | 3.3K | 261 | 233 |
| 101 | health behavior | 33 | 3.3K | 168 | 73 |
| 102 | Neuropsychology | 67 | 3.3K | 376 | 276 |
| 103 | Gerontology | 237 | 3.2K | 77 | 142 |
| 104 | Social problems | 71 | 3.2K | 19 | 36 |
| 105 | Nanostructured Materials | 48 | 3.0K | 795 | 529 |
| 106 | nanoscience | 45 | 3.0K | 676 | 538 |
| 107 | Memory | 70 | 3.0K | 261 | 232 |
| 108 | International Education | 15 | 2.9K | 26 | 2 |
| 109 | international trade | 22 | 2.9K | 95 | 31 |
| 110 | Ecology | 45 | 2.8K | 1596 | 1341 |
| 111 | Biophysics | 69 | 2.8K | 1170 | 1006 |
| 112 | Artificial Intelligence | 24 | 2.8K | 1372 | 533 |
| 113 | Child | 82 | 2.8K | 265 | 224 |
| 114 | Optical materials | 30 | 2.8K | 813 | 456 |
| 115 | Pediatrics | 68 | 2.7K | 334 | 363 |
| 116 | Virology | 42 | 2.7K | 630 | 646 |
| 117 | Operations Research | 51 | 2.6K | 440 | 265 |
| 118 | Youth | 57 | 2.6K | 51 | 47 |
| 119 | Psycholinguistics | 34 | 2.6K | 196 | 126 |
| 120 | Medical Anthropology | 48 | 2.5K | 192 | 189 |
| 121 | Endocrinology | 43 | 2.5K | 672 | 595 |
| 121 | violence | 57 | 2.5K | 94 | 78 |
| 123 | Spectrum analysis | 72 | 2.4K | 903 | 877 |
| 124 | Community Psychology | 38 | 2.4K | 62 | 66 |
| 125 | Astronomy | 52 | 2.4K | 764 | 705 |
| 126 | Political Science | 116 | 2.4K | 164 | 190 |
| 127 | Nutrition | 28 | 2.4K | 1248 | 727 |
| 128 | Minority Health | 1 | 2.4K | 204 | 40 |
| 129 | Mathematics | 215 | 2.3K | 763 | 832 |
| 130 | Clinical Psychology | 47 | 2.3K | 234 | 233 |
| 131 | Oncology | 14 | 2.3K | 803 | 599 |
| 132 | Developmental Biology | 46 | 2.3K | 395 | 426 |
| 133 | behavioral medicine | 35 | 2.2K | 250 | 211 |
| 134 | Information Science | 18 | 2.2K | 942 | 321 |
| 135 | Mass Spectrometry | 7 | 2.2K | 696 | 102 |
| 136 | Atmospheric Chemistry | 23 | 2.2K | 292 | 226 |
| 136 | Environmental Health | 63 | 2.2K | 999 | 1103 |
| 138 | Communication | 70 | 2.2K | 262 | 298 |
| 139 | Radio wave propagation | 71 | 2.1K | 21 | 12 |
| 140 | Neurobiology | 44 | 2.1K | 373 | 409 |
| 141 | Organizational Behavior | 41 | 2.1K | 53 | 89 |
| 141 | Family | 59 | 2.1K | 114 | 95 |
| 143 | Auditing | 26 | 2.1K | 26 | 12 |
| 144 | Community Psychiatry | 44 | 2.0K | 122 | 108 |
| 145 | Metabolism | 20 | 2.0K | 857 | 613 |
| 146 | Post-traumatic stress disorder | 35 | 2.0K | 121 | 82 |
| 147 | human development | 45 | 2.0K | 95 | 100 |
| 148 | child abuse | 56 | 2.0K | 81 | 105 |
| 149 | Epidemiology | 72 | 2.0K | 546 | 585 |
| 150 | Tourism | 27 | 1.9K | 368 | 289 |
| 151 | Europe | 56 | 1.9K | 567 | 397 |
| 152 | Sun | 29 | 1.9K | 78 | 50 |
| 153 | Diet | 17 | 1.9K | 695 | 426 |
| 154 | Health Information Management | 4 | 1.9K | 220 | 67 |
| 155 | Environmental Policy | 25 | 1.9K | 990 | 704 |
| 156 | Learning | 56 | 1.8K | 179 | 248 |
| 157 | Information Technology | 15 | 1.8K | 975 | 339 |
| 158 | Urban Economics | 26 | 1.8K | 47 | 40 |
| 159 | Animal Behavior | 33 | 1.8K | 511 | 440 |
| 160 | Pharmaceutical Chemistry | 49 | 1.8K | 845 | 765 |
| 161 | Geology | 67 | 1.8K | 635 | 661 |
| 162 | Macroeconomics | 22 | 1.7K | 21 | 14 |
| 163 | economic policy | 68 | 1.7K | 280 | 223 |
| 163 | Visual Perception | 36 | 1.7K | 351 | 260 |
| 163 | sex crimes | 35 | 1.7K | 69 | 43 |
| 166 | Child welfare | 81 | 1.7K | 62 | 79 |
| 167 | Microbial Ecology | 16 | 1.7K | 872 | 594 |
| 168 | consumer behavior | 22 | 1.6K | 80 | 57 |
| 169 | Pediatric Nursing | 56 | 1.6K | 23 | 13 |
| 170 | Philosophy | 193 | 1.6K | 76 | 129 |
| 171 | Perception | 30 | 1.6K | 480 | 341 |
| 172 | Obstetric Nursing | 61 | 1.6K | 13 | 10 |
| 173 | nucleic acids | 35 | 1.6K | 423 | 499 |
| 174 | urban population | 21 | 1.6K | 30 | 29 |
| 175 | Social Issues | 30 | 1.6K | 21 | 17 |
| 175 | Nonprofit organizations | 23 | 1.6K | 24 | 9 |
| 177 | Bacteriology | 26 | 1.6K | 535 | 484 |
| 178 | Socialization | 28 | 1.6K | 82 | 60 |
| 179 | Mental Health | 74 | 1.6K | 153 | 190 |
| 180 | Continental shelf | 10 | 1.6K | 160 | 47 |
| 181 | International Finance | 44 | 1.5K | 254 | 215 |
| 182 | Neurochemistry | 37 | 1.5K | 620 | 583 |
| 183 | Carcinogenesis | 3 | 1.5K | 832 | 133 |
| 184 | role | 22 | 1.5K | 64 | 40 |
| 185 | Educational Psychology | 52 | 1.5K | 248 | 307 |
| 185 | Pollution | 24 | 1.5K | 1992 | 1635 |
| 187 | Speech Disorders | 18 | 1.5K | 364 | 172 |
| 188 | Solar System | 31 | 1.5K | 201 | 170 |
| 189 | proteins | 49 | 1.5K | 342 | 371 |
| 190 | Mental Disorders | 47 | 1.4K | 530 | 658 |
| 191 | Elderly | 159 | 1.4K | 64 | 58 |
| 192 | Decision making | 37 | 1.4K | 223 | 227 |
| 193 | families | 35 | 1.3K | 139 | 93 |
| 194 | Speech | 21 | 1.3K | 258 | 158 |
| 195 | Data Mining | 6 | 1.3K | 1067 | 299 |
| 196 | Nuclear Physics | 71 | 1.3K | 1124 | 1239 |
| 197 | Developing countries | 33 | 1.3K | 473 | 379 |
| 198 | language | 21 | 1.3K | 221 | 140 |
| 199 | Political Sociology | 18 | 1.3K | 115 | 50 |
| 200 | Health promotion | 39 | 1.3K | 182 | 186 |
| 201 | Substance Abuse | 44 | 1.3K | 252 | 248 |
| 202 | Health Education | 38 | 1.2K | 391 | 314 |
| 202 | Adolescent Psychology | 45 | 1.2K | 103 | 159 |
| 204 | rehabilitation | 32 | 1.2K | 490 | 437 |
| 205 | children | 22 | 1.2K | 84 | 58 |
| 206 | Host-parasite interactions | 18 | 1.2K | 379 | 405 |
| 206 | Immunity | 18 | 1.2K | 598 | 647 |
| 208 | preventive medicine | 32 | 1.2K | 230 | 251 |
| 209 | Quality of life | 34 | 1.2K | 221 | 267 |
| 210 | Developmental Disabilities | 28 | 1.2K | 226 | 234 |
| 211 | Neurolinguistics | 11 | 1.2K | 168 | 76 |
| 212 | Experimental Psychology | 13 | 1.2K | 250 | 131 |
| 213 | Autism spectrum disorders | 4 | 1.2K | 25 | 4 |
| 214 | Economic Development | 42 | 1.2K | 247 | 370 |
| 215 | data collection | 13 | 1.2K | 349 | 235 |
| 216 | Career development | 27 | 1.2K | 25 | 8 |
| 217 | Attention | 20 | 1.2K | 535 | 358 |
| 218 | sexual behavior | 24 | 1.2K | 124 | 108 |
| 219 | Biocompatible Materials | 31 | 1.1K | 1182 | 1327 |
| 220 | Environmental Engineering | 15 | 1.1K | 1656 | 1018 |
| 221 | Autism | 31 | 1.1K | 120 | 161 |
| 222 | Electronics | 29 | 1.1K | 1090 | 790 |
| 222 | Learning disabilities | 36 | 1.1K | 144 | 137 |
| 224 | educational statistics | 8 | 1.1K | 33 | 17 |
| 225 | Human genetics | 6 | 1.1K | 1068 | 991 |
| 226 | Reading | 28 | 1.1K | 108 | 93 |
| 227 | family violence | 36 | 1.1K | 23 | 49 |
| 228 | Public Policy | 57 | 1.1K | 226 | 355 |
| 229 | Oncogenes | 1 | 1.1K | 1135 | 420 |
| 230 | Carbon | 7 | 1.0K | 817 | 439 |
| 231 | Energy Storage | 7 | 1.0K | 769 | 283 |
| 232 | Mental Health Services | 39 | 1.0K | 202 | 206 |
| 232 | alcoholism | 33 | 1.0K | 334 | 352 |
| 234 | Organizational change | 22 | 1.0K | 93 | 87 |
| 235 | Surgery | 5 | 1.0K | 975 | 541 |
| 236 | Environmental Economics | 5 | 986 | 224 | 39 |
| 237 | Molecular structure | 22 | 972 | 820 | 583 |
| 238 | protein | 41 | 960 | 179 | 272 |
| 239 | health services | 28 | 954 | 193 | 168 |
| 240 | Virulence | 16 | 947 | 397 | 446 |
| 241 | Immunology | 18 | 941 | 1135 | 998 |
| 242 | Physiology | 31 | 934 | 1210 | 1264 |
| 242 | Intellectual disability | 21 | 934 | 228 | 164 |
| 244 | consumers | 12 | 931 | 90 | 36 |
| 245 | Nanostructures | 18 | 930 | 680 | 578 |
| 245 | Obesity | 25 | 930 | 544 | 587 |
| 247 | Sleep Disorders | 30 | 898 | 383 | 356 |
| 248 | Health Policy | 45 | 888 | 409 | 500 |
| 249 | Neuroendocrinology | 3 | 878 | 108 | 40 |
| 250 | Mental illness | 32 | 872 | 436 | 638 |
| 251 | Cancer | 16 | 869 | 1150 | 1031 |
| 252 | educational planning | 12 | 856 | 117 | 59 |
| 253 | Entrepreneurship | 12 | 852 | 361 | 371 |
| 254 | Medical Ethics | 60 | 846 | 119 | 132 |
| 255 | Cerebral cortex | 11 | 843 | 426 | 307 |
| 256 | Embryology | 22 | 838 | 488 | 537 |
| 256 | behavior therapy | 26 | 838 | 227 | 245 |
| 258 | Psychometrics | 23 | 832 | 103 | 129 |
| 259 | Analytical Chemistry | 16 | 827 | 1963 | 1537 |
| 260 | drug addiction | 27 | 816 | 286 | 330 |
| 261 | Smoking | 22 | 806 | 206 | 204 |
| 262 | Bioethics | 54 | 804 | 94 | 110 |
| 262 | mental processes | 28 | 804 | 41 | 38 |
| 264 | Electrochemistry | 71 | 803 | 903 | 1245 |
| 264 | Geodynamics | 16 | 803 | 359 | 316 |
| 266 | child behavior | 14 | 802 | 110 | 98 |
| 267 | Organometallic compounds | 22 | 800 | 419 | 329 |
| 268 | Medical genetics | 9 | 787 | 1122 | 911 |
| 269 | psychotherapy | 41 | 774 | 270 | 404 |
| 270 | Lipids | 12 | 769 | 548 | 410 |
| 271 | Microorganisms | 4 | 767 | 816 | 367 |
| 272 | viruses | 19 | 764 | 449 | 530 |
| 273 | Sleep | 30 | 758 | 383 | 400 |
| 274 | Social welfare | 52 | 743 | 48 | 85 |
| 275 | Social interaction | 13 | 740 | 95 | 58 |
| 276 | Language Disorders | 14 | 731 | 333 | 200 |
| 277 | Information Theory | 16 | 730 | 552 | 383 |
| 278 | Educational Technology | 21 | 709 | 429 | 376 |
| 279 | Histology | 10 | 704 | 948 | 608 |
| 279 | Money | 5 | 704 | 214 | 39 |
| 281 | sanitation | 7 | 702 | 891 | 742 |
| 281 | System analysis | 11 | 702 | 1253 | 659 |
| 283 | Cultural diversity | 16 | 700 | 28 | 32 |
| 284 | Ethology | 14 | 699 | 648 | 621 |
| 285 | Obstetrics | 35 | 696 | 542 | 622 |
| 286 | space environment | 21 | 693 | 32 | 31 |
| 287 | Toxicology | 22 | 684 | 1668 | 1694 |
| 288 | Luminescence | 37 | 682 | 174 | 195 |
| 289 | Special Education | 29 | 674 | 151 | 147 |
| 290 | Financial Institutions | 22 | 670 | 16 | 45 |
| 291 | Hydrology | 9 | 666 | 1325 | 787 |
| 291 | elder abuse | 22 | 666 | 36 | 38 |
| 293 | Vocational Education | 16 | 665 | 166 | 79 |
| 294 | Communication in medicine | 14 | 656 | 178 | 117 |
| 295 | cell physiology | 21 | 653 | 464 | 630 |
| 295 | Credit | 4 | 653 | 61 | 12 |
| 297 | Biomedical Engineering | 9 | 652 | 2774 | 1799 |
| 298 | Energy Policy | 5 | 651 | 2053 | 1248 |
| 299 | Game Theory | 19 | 648 | 152 | 120 |
| 300 | innovation | 11 | 639 | 229 | 311 |
| 301 | Investment analysis | 12 | 632 | 290 | 148 |
| 302 | Conservation Biology | 6 | 624 | 723 | 383 |
| 303 | atmospheric models | 8 | 620 | 371 | 266 |
| 304 | Telecommunication | 14 | 614 | 1225 | 898 |
| 305 | Environmental Psychology | 12 | 601 | 91 | 142 |
| 306 | Medical Laboratory Science | 8 | 598 | 1126 | 834 |
| 307 | educational innovations | 33 | 590 | 32 | 106 |
| 308 | Medical Oncology | 4 | 589 | 1135 | 614 |
| 309 | Water | 8 | 585 | 1429 | 1176 |
| 310 | Welfare Economics | 10 | 584 | 190 | 115 |
| 311 | Economic Thought | 10 | 582 | 104 | 140 |
| 311 | economic conditions | 11 | 582 | 187 | 149 |
| 311 | energy resources | 4 | 582 | 1132 | 740 |
| 314 | Anatomy | 20 | 577 | 690 | 660 |
| 315 | foreign exchange | 9 | 576 | 125 | 78 |
| 315 | concepts | 13 | 576 | 15 | 12 |
| 317 | nursing ethics | 11 | 573 | 50 | 28 |
| 318 | Genomics | 17 | 572 | 1144 | 1129 |
| 319 | International Relations | 12 | 563 | 459 | 249 |
| 319 | Drug design | 9 | 563 | 782 | 495 |
| 321 | Happiness | 11 | 562 | 97 | 86 |
| 322 | Technology | 19 | 560 | 1448 | 1274 |
| 322 | women | 26 | 560 | 126 | 81 |
| 324 | Radio | 6 | 558 | 962 | 566 |
| 325 | Medical Microbiology | 6 | 553 | 1291 | 931 |
| 326 | Linguistics | 23 | 544 | 420 | 377 |
| 327 | Polymers | 14 | 539 | 2182 | 1729 |
| 327 | homosexuality | 10 | 539 | 144 | 74 |
| 329 | Nuclear Engineering | 20 | 529 | 504 | 336 |
| 329 | Bioinorganic chemistry | 21 | 529 | 487 | 508 |
| 331 | behavior modification | 10 | 527 | 193 | 196 |
| 332 | Asia | 16 | 526 | 1035 | 612 |
| 333 | occupational diseases | 22 | 522 | 163 | 249 |
| 334 | individual differences | 10 | 521 | 91 | 82 |
| 335 | Diabetes mellitus | 9 | 515 | 936 | 806 |
| 336 | pain | 4 | 514 | 960 | 517 |
| 337 | Quantitative Research | 8 | 511 | 113 | 88 |
| 338 | Social Choice Theory | 7 | 498 | 133 | 26 |
| 339 | Venture Capital | 5 | 497 | 194 | 247 |
| 340 | computer networks | 6 | 495 | 1732 | 971 |
| 341 | gene mapping | 14 | 490 | 737 | 827 |
| 342 | Psychosomatic Medicine | 6 | 489 | 477 | 302 |
| 343 | Pharmacology | 19 | 482 | 1911 | 2007 |
| 343 | Simulation Methods | 5 | 482 | 756 | 150 |
| 345 | Literacy | 23 | 481 | 36 | 35 |
| 346 | Eating Disorders | 9 | 478 | 423 | 307 |
| 346 | water supply | 5 | 478 | 616 | 400 |
| 348 | Mixed methods research | 6 | 476 | 11 | 20 |
| 349 | Geochemistry | 22 | 472 | 729 | 878 |
| 350 | mutagens | 2 | 469 | 750 | 350 |
| 351 | healthcare disparities | 19 | 468 | 105 | 93 |
| 352 | Pathology | 11 | 466 | 892 | 845 |
| 353 | International security | 9 | 463 | 99 | 96 |
| 354 | polymerization | 13 | 457 | 1933 | 1593 |
| 355 | Biogeochemical cycles | 14 | 454 | 142 | 282 |
| 355 | carcinogens | 1 | 454 | 1316 | 396 |
| 357 | Surface Chemistry | 10 | 452 | 2113 | 1799 |
| 357 | global environmental change | 5 | 452 | 551 | 382 |
| 357 | Colloids | 10 | 452 | 2097 | 1856 |
| 360 | Information Systems | 14 | 448 | 502 | 435 |
| 360 | Mathematical Physics | 35 | 448 | 892 | 1034 |
| 362 | Physical organic chemistry | 9 | 441 | 851 | 503 |
| 362 | race relations | 14 | 441 | 211 | 166 |
| 364 | Drug delivery systems | 1 | 438 | 2113 | 764 |
| 365 | Quantum theory | 18 | 437 | 350 | 325 |
| 366 | Environmental Microbiology | 3 | 436 | 1253 | 725 |
| 366 | School Psychology | 11 | 436 | 191 | 171 |
| 366 | soil microbiology | 3 | 436 | 1302 | 871 |
| 369 | Intelligence | 7 | 433 | 139 | 107 |
| 370 | Nervous system | 10 | 432 | 1199 | 1087 |
| 371 | Nuclear non-proliferation | 8 | 431 | 24 | 33 |
| 372 | Transplantation | 6 | 429 | 586 | 468 |
| 373 | technical education | 15 | 427 | 183 | 128 |
| 374 | Green Chemistry | 7 | 424 | 1151 | 1000 |
| 374 | Liposomes | 7 | 424 | 312 | 218 |
| 374 | Lipid bilayers | 7 | 424 | 270 | 202 |
| 377 | Memory disorders | 13 | 415 | 63 | 78 |
| 378 | Neurons | 5 | 414 | 416 | 571 |
| 379 | Clinical Chemistry | 15 | 411 | 1076 | 1206 |
| 379 | glycoproteins | 2 | 411 | 511 | 180 |
| 379 | Glycoconjugates | 2 | 411 | 511 | 180 |
| 379 | Oligosaccharide | 2 | 411 | 340 | 127 |
| 379 | Carbohydrates | 2 | 411 | 512 | 157 |
| 379 | glycolipids | 2 | 411 | 511 | 180 |
| 385 | Distance Education | 8 | 410 | 138 | 89 |
| 386 | Writing | 7 | 409 | 127 | 71 |
| 387 | Sustainable Engineering | 6 | 404 | 1127 | 803 |
| 388 | biological evolution | 18 | 403 | 733 | 1080 |
| 389 | Meteorology | 16 | 401 | 852 | 1092 |
| 390 | health services accessibility | 12 | 399 | 358 | 322 |
| 390 | peptides | 2 | 399 | 970 | 146 |
| 392 | Sexuality | 11 | 397 | 83 | 50 |
| 392 | RNA | 9 | 397 | 247 | 252 |
| 394 | Sustainable Development | 14 | 396 | 759 | 953 |
| 395 | Feeding and Eating Disorders | 8 | 394 | 436 | 332 |
| 395 | Meteorites | 14 | 394 | 431 | 558 |
| 397 | Symbolic interactionism | 10 | 393 | 21 | 16 |
| 398 | Women's health | 36 | 386 | 174 | 376 |
| 399 | Environmental Toxicology | 8 | 382 | 1430 | 1238 |
| 400 | Anthropology | 17 | 381 | 575 | 512 |
| 400 | Nanoparticles | 8 | 381 | 1134 | 896 |
| 402 | Schizophrenia | 2 | 377 | 948 | 484 |
| 403 | Chromosome mapping | 12 | 376 | 737 | 843 |
| 403 | Consciousness | 13 | 376 | 146 | 171 |
| 405 | Computer Graphics | 10 | 375 | 910 | 704 |
| 406 | Crystal growth | 4 | 373 | 896 | 395 |
| 407 | speech therapy | 5 | 370 | 285 | 131 |
| 408 | Evolution | 14 | 366 | 778 | 936 |
| 409 | Cross-Cultural Studies | 13 | 365 | 190 | 185 |
| 409 | Microscopy | 11 | 365 | 628 | 465 |
| 411 | Early Childhood Education | 13 | 363 | 228 | 159 |
| 412 | Adolescent Medicine | 8 | 362 | 268 | 395 |
| 412 | Microeconomics | 11 | 362 | 113 | 123 |
| 412 | Transportation | 9 | 362 | 903 | 747 |
| 415 | Hematology | 2 | 359 | 1633 | 958 |
| 416 | Culture | 37 | 356 | 170 | 269 |
| 417 | Solid State Chemistry | 14 | 355 | 1301 | 1139 |
| 417 | Leadership | 5 | 355 | 371 | 317 |
| 417 | Africa | 6 | 355 | 1032 | 356 |
| 420 | Educational Change | 20 | 352 | 2 | 11 |
| 421 | Culture techniques | 4 | 350 | 214 | 82 |
| 422 | Psychiatric Nursing | 27 | 349 | 97 | 167 |
| 423 | Metallurgy | 12 | 346 | 1102 | 963 |
| 424 | Mortgages | 5 | 345 | 132 | 71 |
| 425 | Geriatric Psychiatry | 9 | 343 | 459 | 387 |
| 426 | Organometallic chemistry | 5 | 340 | 1740 | 808 |
| 427 | Agriculture | 10 | 339 | 1027 | 914 |
| 428 | Image Processing | 6 | 335 | 1551 | 1130 |
| 429 | Forensic Psychiatry | 6 | 334 | 343 | 171 |
| 430 | environmental protection | 13 | 332 | 1707 | 1904 |
| 430 | Psychoanalysis | 34 | 332 | 42 | 54 |
| 432 | cultural pluralism | 8 | 330 | 166 | 70 |
| 433 | African Americans | 5 | 329 | 133 | 23 |
| 434 | Qualitative Research | 3 | 322 | 519 | 205 |
| 435 | Geometry | 32 | 321 | 281 | 274 |
| 435 | Quantum electronics | 7 | 321 | 1057 | 624 |
| 435 | African American | 4 | 321 | 104 | 18 |
| 438 | Information Retrieval | 1 | 320 | 814 | 206 |
| 439 | Discourse Analysis | 1 | 319 | 694 | 134 |
| 440 | Computer Vision | 3 | 316 | 1117 | 647 |
| 441 | Developed countries | 5 | 315 | 139 | 94 |
| 442 | Health Services Administration | 7 | 314 | 525 | 371 |
| 442 | Socioeconomic Factors | 9 | 314 | 345 | 305 |
| 444 | Ethics | 39 | 310 | 116 | 281 |
| 445 | Database Management | 6 | 307 | 538 | 366 |
| 446 | Cell differentiation | 7 | 306 | 849 | 958 |
| 446 | breastfeeding | 4 | 306 | 363 | 154 |
| 446 | Ethnology | 6 | 306 | 995 | 421 |
| 446 | primary prevention | 8 | 306 | 181 | 143 |
| 450 | epilepsy | 12 | 304 | 387 | 373 |
| 451 | Topology | 26 | 299 | 46 | 73 |
| 451 | Social policy | 22 | 299 | 252 | 367 |
| 453 | Superconductors | 16 | 297 | 366 | 303 |
| 454 | Environmental monitoring | 10 | 295 | 2083 | 2337 |
| 454 | Crystallography | 13 | 295 | 822 | 469 |
| 456 | X-ray crystallography | 10 | 293 | 271 | 165 |
| 457 | Forensic Psychology | 4 | 291 | 320 | 121 |
| 457 | Labor Economics | 13 | 291 | 153 | 226 |
| 457 | Photochemistry | 8 | 291 | 1021 | 847 |
| 457 | Cognitive Therapy | 10 | 291 | 264 | 287 |
| 461 | Food | 11 | 290 | 1613 | 1814 |
| 462 | Occupational Health | 16 | 289 | 297 | 356 |
| 462 | Parasitology | 5 | 289 | 1671 | 1064 |
| 462 | Parasitic Diseases | 5 | 289 | 1346 | 938 |
| 462 | Educational measurement | 22 | 289 | 21 | 49 |
| 462 | Parasites | 5 | 289 | 1181 | 696 |
| 467 | Small Business | 4 | 287 | 641 | 645 |
| 468 | corporate culture | 3 | 284 | 172 | 62 |
| 469 | Social Change | 9 | 278 | 500 | 800 |
| 469 | mycoses | 3 | 278 | 685 | 533 |
| 469 | Bacterial infections | 3 | 278 | 692 | 536 |
| 472 | Criminology | 18 | 277 | 355 | 391 |
| 472 | world | 11 | 277 | 286 | 499 |
| 474 | Reproduction | 4 | 276 | 1656 | 1063 |
| 475 | Botany | 9 | 275 | 2160 | 2110 |
| 475 | Neuropharmacology | 3 | 275 | 555 | 282 |
| 475 | Broadcasting | 7 | 275 | 73 | 58 |
| 478 | Climatology | 10 | 273 | 870 | 979 |
| 478 | Analytical Biochemistry | 7 | 273 | 1097 | 838 |
| 480 | Biological Systems | 6 | 271 | 297 | 213 |
| 481 | national security | 4 | 270 | 292 | 36 |
| 481 | Educational evaluation | 13 | 270 | 39 | 41 |
| 483 | Intercultural Communication | 10 | 268 | 136 | 165 |
| 483 | Systems Biology | 8 | 268 | 801 | 747 |
| 483 | Photobiology | 5 | 268 | 1044 | 699 |
| 483 | language therapy | 3 | 268 | 151 | 58 |
| 487 | Organizational culture | 2 | 267 | 47 | 26 |
| 488 | Telecommunications | 6 | 265 | 474 | 194 |
| 489 | Portfolio Management | 12 | 263 | 69 | 57 |
| 489 | men | 9 | 263 | 75 | 77 |
| 491 | Chemical analysis | 5 | 261 | 843 | 628 |
| 492 | Fluid Mechanics | 10 | 260 | 821 | 757 |
| 493 | Mass Media | 16 | 259 | 226 | 175 |
| 494 | Quantum Gravity | 17 | 258 | 1053 | 1218 |
| 494 | Student Health Services | 9 | 258 | 136 | 119 |
| 496 | Vaccines | 8 | 257 | 863 | 807 |
| 497 | Communication Policy | 3 | 255 | 76 | 28 |
| 497 | Telecommunication Policy | 3 | 255 | 76 | 28 |
| 499 | Disability Studies | 9 | 252 | 71 | 48 |
| 499 | Psychiatric Epidemiology | 12 | 252 | 159 | 304 |
| 501 | Suicide | 9 | 251 | 240 | 243 |
| 502 | Diagnostic Imaging | 3 | 250 | 1607 | 895 |
| 502 | Biodiversity conservation | 8 | 250 | 893 | 1193 |
| 502 | Ultrasonics | 3 | 250 | 1204 | 784 |
| 502 | child mental health | 14 | 250 | 147 | 199 |
| 506 | Strategic planning | 11 | 249 | 267 | 402 |
| 506 | disabilities | 4 | 249 | 565 | 315 |
| 508 | Renewable Energy Sources | 6 | 248 | 1967 | 2183 |
| 508 | Australia | 16 | 248 | 581 | 724 |
| 508 | Diabetes | 5 | 248 | 1264 | 1141 |
| 511 | Navigation | 10 | 247 | 96 | 59 |
| 512 | motivation | 6 | 243 | 209 | 216 |
| 512 | United Kingdom | 14 | 243 | 603 | 857 |
| 514 | Statistical Mechanics | 9 | 242 | 350 | 276 |
| 514 | Magnetohydrodynamics | 9 | 242 | 135 | 126 |
| 516 | Public Administration | 9 | 241 | 754 | 637 |
| 517 | peace | 11 | 240 | 194 | 272 |
| 518 | Human Resources | 6 | 239 | 273 | 330 |
| 519 | Algebra | 28 | 238 | 462 | 474 |
| 519 | Molecules | 8 | 238 | 952 | 725 |
| 521 | Therapeutics | 16 | 237 | 590 | 923 |
| 522 | Law | 19 | 236 | 417 | 340 |
| 523 | Pregnancy | 6 | 235 | 510 | 379 |
| 524 | Geography | 3 | 232 | 1870 | 1154 |
| 524 | research and development | 16 | 232 | 39 | 216 |
| 526 | Cytogenetics | 1 | 231 | 1621 | 878 |
| 527 | income | 6 | 230 | 65 | 67 |
| 527 | Input-output analysis | 6 | 230 | 104 | 107 |
| 527 | Wealth | 6 | 230 | 65 | 67 |
| 530 | Bioenergetics | 5 | 228 | 599 | 546 |
| 530 | Energy metabolism | 5 | 228 | 420 | 433 |
| 532 | Environmental Law | 9 | 227 | 529 | 919 |
| 532 | Emotion | 5 | 227 | 141 | 162 |
| 534 | warfare | 7 | 226 | 145 | 181 |
| 535 | Positive Psychology | 5 | 225 | 94 | 141 |
| 535 | Capital market | 14 | 225 | 90 | 223 |
| 537 | Health Services Research | 14 | 224 | 596 | 759 |
| 538 | Gender Studies | 10 | 223 | 189 | 231 |
| 539 | Geomorphology | 10 | 221 | 768 | 987 |
| 539 | Soil Science | 1 | 221 | 2458 | 1202 |
| 539 | Religion | 100 | 221 | 34 | 173 |
| 539 | Cytoskeleton | 8 | 221 | 126 | 155 |
| 543 | industrial relations | 18 | 218 | 260 | 366 |
| 544 | Physical Therapy | 8 | 217 | 703 | 772 |
| 545 | Global Health | 12 | 215 | 385 | 412 |
| 545 | Cardiovascular system | 4 | 215 | 933 | 1016 |
| 545 | death | 6 | 215 | 166 | 69 |
| 545 | Metals | 4 | 215 | 1691 | 1184 |
| 549 | labor | 5 | 214 | 203 | 153 |
| 549 | Flow cytometry | 1 | 214 | 523 | 183 |
| 551 | Neuroimmunology | 5 | 213 | 464 | 542 |
| 551 | refugees | 9 | 213 | 68 | 73 |
| 551 | working class | 6 | 213 | 86 | 139 |
| 554 | Planetary Science | 10 | 211 | 229 | 211 |
| 554 | Seismology | 12 | 211 | 183 | 247 |
| 556 | Politics | 22 | 210 | 122 | 257 |
| 556 | Sonochemistry | 1 | 210 | 1118 | 580 |
| 556 | government | 22 | 210 | 148 | 293 |
| 559 | Financial management | 6 | 207 | 258 | 320 |
| 559 | Development | 10 | 207 | 336 | 559 |
| 561 | Anthropological Linguistics | 3 | 206 | 218 | 30 |
| 561 | Number Theory | 35 | 206 | 109 | 175 |
| 561 | Family Therapy | 13 | 206 | 296 | 346 |
| 564 | Economic Assistance | 9 | 205 | 315 | 514 |
| 565 | medical education | 11 | 204 | 791 | 877 |
| 566 | Germany | 5 | 203 | 428 | 113 |
| 567 | Climate change | 9 | 201 | 510 | 1047 |
| 567 | Law and Economics | 6 | 201 | 179 | 90 |
| 567 | feeding behavior | 8 | 201 | 394 | 516 |
| 570 | Multivariate Analysis | 2 | 195 | 684 | 286 |
| 570 | Structural Equation Modeling | 2 | 195 | 141 | 97 |
| 572 | Geriatric Nursing | 9 | 193 | 209 | 129 |
| 572 | Palliative Care | 7 | 193 | 452 | 361 |
| 574 | Regional Planning | 7 | 192 | 958 | 895 |
| 575 | Cognitive Psychology | 7 | 191 | 243 | 186 |
| 575 | Computer Literacy | 5 | 191 | 117 | 118 |
| 577 | aerosol | 11 | 190 | 159 | 212 |
| 578 | Music | 5 | 189 | 661 | 346 |
| 579 | Biogeochemistry | 4 | 186 | 857 | 851 |
| 579 | natural disasters | 2 | 186 | 1519 | 855 |
| 581 | Biodiversity | 5 | 185 | 1636 | 1373 |
| 582 | auditory perception | 3 | 184 | 408 | 286 |
| 582 | drugs | 3 | 184 | 1725 | 1195 |
| 582 | enzymes | 14 | 184 | 619 | 1016 |
| 585 | Theology | 135 | 183 | 18 | 54 |
| 585 | Industrial Ecology | 3 | 183 | 162 | 153 |
| 587 | Public Relations | 4 | 182 | 364 | 212 |
| 587 | Moral Education | 9 | 182 | 27 | 36 |
| 587 | visualization | 13 | 182 | 595 | 516 |
| 590 | Bilingual Education | 7 | 181 | 28 | 27 |
| 590 | sadness | 4 | 181 | 169 | 61 |
| 590 | antisocial personality disorder | 4 | 181 | 169 | 61 |
| 593 | moral development | 8 | 179 | 25 | 48 |
| 593 | Chromosomes | 3 | 179 | 839 | 649 |
| 595 | China | 16 | 178 | 1140 | 1679 |
| 596 | Queer Studies | 5 | 177 | 173 | 168 |
| 596 | cell membrane | 3 | 177 | 517 | 457 |
| 598 | hospice care | 5 | 176 | 360 | 234 |
| 598 | social conflict | 4 | 176 | 148 | 86 |
| 598 | Chronic diseases | 3 | 176 | 535 | 485 |
| 601 | city planning | 6 | 175 | 1099 | 1001 |
| 602 | Mineralogy | 12 | 174 | 651 | 810 |
| 602 | Criminal psychology | 5 | 174 | 576 | 486 |
| 602 | Energy Harvesting | 3 | 174 | 431 | 502 |
| 602 | Membranes | 6 | 174 | 1187 | 1301 |
| 606 | Popular culture | 18 | 173 | 96 | 106 |
| 607 | Community Health Nursing | 4 | 172 | 37 | 6 |
| 607 | income distribution | 4 | 172 | 113 | 120 |
| 609 | Demography | 7 | 170 | 370 | 430 |
| 609 | Long-Term Care | 8 | 170 | 260 | 393 |
| 609 | Long-term care facilities | 8 | 170 | 259 | 391 |
| 609 | Evidence-Based Medicine | 4 | 170 | 530 | 404 |
| 609 | Hospitals | 8 | 170 | 183 | 181 |
| 609 | biocatalysis | 1 | 170 | 301 | 332 |
| 609 | Homogeneous catalysis | 1 | 170 | 301 | 332 |
| 609 | Heterogeneous catalysis | 1 | 170 | 301 | 332 |
| 617 | Race | 6 | 169 | 24 | 25 |
| 617 | Stress | 3 | 169 | 264 | 168 |
| 617 | Birth control | 7 | 169 | 221 | 274 |
| 620 | Comparative Education | 9 | 168 | 69 | 66 |
| 620 | Hearing | 5 | 168 | 485 | 402 |
| 622 | Higher Education | 5 | 167 | 449 | 329 |
| 622 | Environmental Sociology | 7 | 167 | 5 | 8 |
| 622 | complementary therapies | 12 | 167 | 629 | 1075 |
| 625 | Nonverbal Communication | 5 | 166 | 132 | 169 |
| 626 | Sociolinguistics | 8 | 165 | 235 | 244 |
| 626 | Communication and Culture | 15 | 165 | 45 | 87 |
| 626 | intergroup relations | 6 | 165 | 97 | 140 |
| 626 | Health insurance | 8 | 165 | 189 | 255 |
| 626 | environmental exposure | 12 | 165 | 845 | 1460 |
| 626 | humanistic psychology | 2 | 165 | 111 | 30 |
| 632 | Patient education | 7 | 163 | 320 | 417 |
| 633 | Pharmaceutical Technology | 5 | 162 | 1141 | 1120 |
| 633 | catalytic activity | 5 | 162 | 492 | 535 |
| 635 | Eutrophication | 7 | 160 | 553 | 1102 |
| 636 | Marriage | 7 | 159 | 279 | 315 |
| 637 | Economic Theory | 5 | 158 | 76 | 58 |
| 637 | Behavioral Genetics | 4 | 158 | 190 | 212 |
| 639 | slavery | 3 | 157 | 70 | 12 |
| 640 | Dermatology | 1 | 156 | 1777 | 952 |
| 640 | Human Rights | 6 | 156 | 347 | 258 |
| 640 | Soviet Union | 8 | 156 | 297 | 147 |
| 643 | Industrial Policy | 9 | 154 | 226 | 345 |
| 644 | Molecular Genetics | 7 | 153 | 1072 | 1410 |
| 644 | Molecular evolution | 11 | 153 | 670 | 1210 |
| 646 | Humanities | 10 | 152 | 874 | 766 |
| 646 | History | 48 | 152 | 200 | 218 |
| 646 | Quantum Optics | 7 | 152 | 568 | 507 |
| 646 | hazard mitigation | 1 | 152 | 1578 | 648 |
| 646 | Atomic spectroscopy | 7 | 152 | 733 | 695 |
| 646 | Laser Spectroscopy | 7 | 152 | 525 | 467 |
| 652 | Social Stratification | 2 | 151 | 107 | 53 |
| 652 | Social mobility | 2 | 151 | 107 | 53 |
| 652 | civilization | 32 | 151 | 187 | 171 |
| 652 | social status | 2 | 151 | 107 | 53 |
| 652 | Occupational mobility | 2 | 151 | 107 | 53 |
| 652 | Appetite | 7 | 151 | 368 | 542 |
| 658 | Ergonomics | 5 | 149 | 688 | 572 |
| 658 | Biosensors | 4 | 149 | 1075 | 1320 |
| 660 | Political Psychology | 6 | 148 | 218 | 322 |
| 660 | Gene expression regulation | 7 | 148 | 518 | 674 |
| 660 | Genetic regulation | 7 | 148 | 604 | 826 |
| 660 | Population | 6 | 148 | 580 | 654 |
| 664 | Ethnic relations | 7 | 147 | 337 | 267 |
| 664 | Reproductive health | 6 | 147 | 452 | 474 |
| 664 | Securities | 3 | 147 | 328 | 248 |
| 664 | Earthquakes | 26 | 147 | 62 | 189 |
| 664 | Information society | 1 | 147 | 352 | 62 |
| 669 | Genetic engineering | 6 | 146 | 1316 | 1483 |
| 669 | Biochemical Engineering | 5 | 146 | 2358 | 2727 |
| 669 | Advertising | 2 | 146 | 384 | 285 |
| 672 | Sports | 17 | 145 | 851 | 1243 |
| 673 | Psychoneuroimmunology | 3 | 144 | 541 | 592 |
| 674 | Geomagnetism | 8 | 143 | 352 | 431 |
| 674 | poverty | 8 | 143 | 131 | 242 |
| 676 | Ethnic Conflict | 4 | 142 | 220 | 194 |
| 676 | forced migration | 4 | 142 | 220 | 194 |
| 678 | Petrology | 12 | 141 | 502 | 724 |
| 678 | Identity | 5 | 141 | 74 | 104 |
| 678 | Self | 5 | 141 | 106 | 126 |
| 681 | lasers | 7 | 140 | 1454 | 1363 |
| 682 | Enteral nutrition | 4 | 139 | 615 | 679 |
| 682 | Parenteral nutrition | 4 | 139 | 705 | 763 |
| 682 | environmental pollution | 5 | 139 | 3039 | 3352 |
| 685 | ethnicity | 11 | 136 | 277 | 329 |
| 685 | Maternal health services | 5 | 136 | 235 | 246 |
| 687 | cross-cultural comparison | 7 | 135 | 257 | 307 |
| 687 | Catholic Church | 67 | 135 | 6 | 5 |
| 687 | Extreme environments | 1 | 135 | 437 | 211 |
| 690 | child sexual abuse | 6 | 134 | 55 | 75 |
| 691 | food technology | 4 | 133 | 2102 | 2033 |
| 692 | Wildlife conservation | 2 | 132 | 1163 | 995 |
| 693 | crime | 11 | 131 | 320 | 415 |
| 694 | Molecular Microbiology | 4 | 130 | 666 | 843 |
| 694 | residential treatment | 10 | 130 | 35 | 85 |
| 694 | school psychologists | 4 | 130 | 163 | 189 |
| 697 | Neonatology | 14 | 129 | 156 | 389 |
| 697 | Social Security | 7 | 129 | 18 | 11 |
| 699 | social justice | 25 | 128 | 17 | 119 |
| 699 | psychopathology | 2 | 128 | 348 | 293 |
| 701 | Hippocampus | 8 | 127 | 138 | 319 |
| 701 | Investments | 10 | 127 | 143 | 242 |
| 703 | Restorative justice | 8 | 126 | 38 | 46 |
| 703 | Quantum Computing | 3 | 126 | 170 | 160 |
| 703 | Semiconductors | 12 | 126 | 1072 | 1379 |
| 703 | family studies | 3 | 126 | 29 | 43 |
| 703 | Parenting | 3 | 126 | 48 | 55 |
| 703 | Child rearing | 3 | 126 | 48 | 55 |
| 709 | sustainability | 5 | 125 | 614 | 839 |
| 709 | War and Society | 2 | 125 | 269 | 230 |
| 709 | international cooperation | 2 | 125 | 728 | 470 |
| 712 | Teacher Education | 2 | 124 | 69 | 53 |
| 712 | Social Entrepreneurship | 1 | 124 | 309 | 82 |
| 714 | terrorism | 5 | 123 | 191 | 139 |
| 714 | Biometrics | 9 | 123 | 565 | 687 |
| 714 | curriculum planning | 6 | 123 | 91 | 97 |
| 717 | probabilities | 8 | 122 | 848 | 730 |
| 717 | Aggression | 5 | 122 | 343 | 467 |
| 719 | Adult Education | 5 | 121 | 437 | 304 |
| 719 | Body language | 3 | 121 | 103 | 132 |
| 721 | Traffic Engineering | 2 | 120 | 536 | 393 |
| 721 | Primary health care | 9 | 120 | 830 | 1119 |
| 723 | Juvenile delinquency | 8 | 119 | 171 | 221 |
| 723 | Multicultural Education | 6 | 119 | 227 | 208 |
| 725 | Disability Law | 6 | 118 | 86 | 106 |
| 725 | food industry | 1 | 118 | 1408 | 460 |
| 727 | Combinatorial chemistry | 4 | 117 | 572 | 718 |
| 728 | Electrical Engineering | 46 | 116 | 781 | 1828 |
| 728 | Psychopharmacology | 5 | 116 | 970 | 1160 |
| 730 | Bioelectronics | 3 | 115 | 1069 | 1336 |
| 731 | Marine Biology | 5 | 114 | 1795 | 1930 |
| 731 | Bereavement | 6 | 114 | 85 | 103 |
| 733 | Development Economics | 2 | 112 | 557 | 308 |
| 733 | Second Language Acquisition | 9 | 112 | 50 | 217 |
| 733 | Imagination | 5 | 112 | 34 | 34 |
| 733 | DNA polymerases | 1 | 112 | 551 | 593 |
| 737 | Neurovirology | 4 | 111 | 171 | 181 |
| 737 | stocks | 1 | 111 | 343 | 161 |
| 739 | Neuropsychiatry | 7 | 110 | 471 | 663 |
| 739 | Personality Assessment | 9 | 110 | 285 | 563 |
| 739 | minority groups | 11 | 110 | 17 | 36 |
| 742 | Open Access Publishing | 7 | 109 | 55 | 70 |
| 742 | Risk | 7 | 109 | 293 | 482 |
| 742 | Tropical Medicine | 2 | 109 | 1840 | 1206 |
| 745 | Magnetic Resonance Spectroscopy | 9 | 108 | 631 | 747 |
| 745 | Gender identity | 8 | 108 | 111 | 144 |
| 745 | Proteome | 6 | 108 | 711 | 980 |
| 748 | Tribology | 2 | 107 | 1291 | 902 |
| 748 | Environmental Management | 5 | 107 | 2222 | 2865 |
| 750 | Population Genetics | 3 | 106 | 1058 | 1110 |
| 750 | Human-Computer Interaction | 3 | 106 | 1518 | 1324 |
| 750 | Religion and Psychology | 8 | 106 | 209 | 298 |
| 753 | Oceanography | 11 | 105 | 864 | 1330 |
| 753 | Cybernetics | 2 | 105 | 1762 | 1366 |
| 755 | Urban Education | 4 | 103 | 96 | 95 |
| 756 | Robotics | 3 | 102 | 1637 | 1362 |
| 756 | Environmentalism | 2 | 102 | 200 | 181 |
| 756 | Psychiatric hospitals | 4 | 102 | 193 | 200 |
| 759 | Architecture | 6 | 101 | 336 | 282 |
| 759 | Journalism | 5 | 101 | 411 | 330 |
| 759 | War | 5 | 101 | 116 | 109 |
| 759 | Feminism | 6 | 101 | 382 | 378 |
| 759 | Metabolic diseases | 6 | 101 | 1248 | 1706 |
| 759 | construction | 3 | 101 | 189 | 199 |
| 765 | Systems Analysis | 6 | 99 | 785 | 892 |
| 765 | Medical Physics | 1 | 99 | 1855 | 1269 |
| 765 | Distributed Databases | 1 | 99 | 312 | 111 |
| 765 | Adoption | 13 | 99 | 15 | 45 |
| 769 | Educational Leadership | 7 | 98 | 50 | 84 |
| 769 | Program Evaluation | 3 | 98 | 77 | 77 |
| 769 | Futures | 4 | 98 | 249 | 238 |
| 769 | Jurisprudence | 6 | 98 | 623 | 648 |
| 769 | health planning | 8 | 98 | 1331 | 1704 |
| 769 | evaluation | 3 | 98 | 142 | 89 |
| 769 | rivers | 3 | 98 | 277 | 260 |
| 776 | Molecular Pharmacology | 1 | 97 | 1106 | 847 |
| 776 | Virtual reality | 2 | 97 | 514 | 353 |
| 776 | Electrochemical Analysis | 2 | 97 | 1795 | 1392 |
| 779 | Molecular ecology | 2 | 96 | 1070 | 1156 |
| 779 | free radicals | 1 | 96 | 1648 | 1388 |
| 781 | Phenomenology | 20 | 95 | 16 | 86 |
| 781 | econometric models | 2 | 95 | 832 | 605 |
| 781 | conflict management | 4 | 95 | 196 | 274 |
| 784 | Comparative Physiology | 3 | 94 | 739 | 751 |
| 784 | Microbial Genetics | 4 | 94 | 260 | 347 |
| 784 | phytopathogenic bacteria | 4 | 94 | 190 | 314 |
| 784 | plant molecular biology | 4 | 94 | 1176 | 1549 |
| 784 | Plant diseases | 4 | 94 | 1558 | 1488 |
| 789 | Arts | 8 | 93 | 160 | 121 |
| 789 | Photography | 33 | 93 | 333 | 339 |
| 789 | Solar Energy | 7 | 93 | 1152 | 1847 |
| 789 | Immunopharmacology | 3 | 93 | 1001 | 978 |
| 789 | gene therapy | 3 | 93 | 817 | 890 |
| 789 | insurance | 6 | 93 | 236 | 281 |
| 795 | Industrial Organization | 6 | 92 | 202 | 285 |
| 795 | community development | 6 | 92 | 364 | 511 |
| 795 | community organization | 5 | 92 | 45 | 53 |
| 798 | Genetic Counseling | 5 | 91 | 142 | 156 |
| 798 | Philosophy of Mind | 6 | 91 | 147 | 204 |
| 800 | Paleontology | 4 | 90 | 1068 | 992 |
| 800 | Social support | 5 | 90 | 89 | 147 |
| 800 | Social environment | 5 | 90 | 91 | 151 |
| 800 | Capitalism | 4 | 90 | 116 | 116 |
| 800 | drug control | 4 | 90 | 278 | 336 |
| 805 | Speech-Language Pathology | 1 | 89 | 528 | 243 |
| 805 | Water pollution | 2 | 89 | 2693 | 2456 |
| 805 | Corporate governance | 6 | 89 | 348 | 678 |
| 805 | Creativity | 3 | 89 | 285 | 321 |
| 805 | gastrointestinal tract | 1 | 89 | 543 | 470 |
| 810 | nursing education | 7 | 88 | 60 | 111 |
| 811 | Pharmacogenetics | 4 | 86 | 680 | 819 |
| 811 | Signal Transduction | 4 | 86 | 1107 | 1387 |
| 811 | Stress management | 1 | 86 | 37 | 20 |
| 811 | transitional justice | 3 | 86 | 10 | 20 |
| 811 | rule of law | 3 | 86 | 18 | 21 |
| 811 | crimes against humanity | 3 | 86 | 10 | 20 |
| 817 | curriculum evaluation | 9 | 85 | 143 | 348 |
| 817 | Economic planning | 5 | 85 | 352 | 521 |
| 819 | Industrial Sociology | 2 | 84 | 225 | 216 |
| 819 | Infertility | 4 | 84 | 630 | 863 |
| 819 | Oral communication | 6 | 84 | 265 | 374 |
| 819 | deviant behavior | 3 | 84 | 308 | 251 |
| 819 | fertility | 4 | 84 | 701 | 914 |
| 824 | Alternative Medicine | 3 | 83 | 1467 | 1492 |
| 825 | Medical Technology | 4 | 82 | 1243 | 1415 |
| 825 | Orthopedics | 2 | 82 | 1352 | 1112 |
| 825 | Clinical Immunology | 3 | 82 | 873 | 950 |
| 825 | Engineering Geology | 6 | 82 | 968 | 1302 |
| 825 | Signal Processing | 7 | 82 | 1653 | 2200 |
| 825 | Synthetic biology | 2 | 82 | 366 | 334 |
| 831 | Occupational Therapy | 5 | 81 | 730 | 565 |
| 831 | Developmental Genetics | 3 | 81 | 411 | 603 |
| 831 | Emergency Medicine | 2 | 81 | 1267 | 904 |
| 831 | radioactive waste | 1 | 81 | 1329 | 1294 |
| 831 | industrial waste | 1 | 81 | 1379 | 1295 |
| 831 | Hazardous waste | 1 | 81 | 1527 | 1363 |
| 831 | Genes | 3 | 81 | 1036 | 1039 |
| 838 | Computational Chemistry | 2 | 80 | 816 | 693 |
| 838 | psychiatric disorders | 8 | 80 | 7 | 21 |
| 838 | Genetic therapy | 2 | 80 | 979 | 938 |
| 838 | Insects | 3 | 80 | 1364 | 1155 |
| 842 | Radiobiology | 2 | 79 | 1169 | 1014 |
| 842 | Technological Innovations | 2 | 79 | 1318 | 1095 |
| 842 | Insect biochemistry | 2 | 79 | 548 | 526 |
| 845 | Educational Research | 1 | 78 | 212 | 61 |
| 845 | Heterocyclic chemistry | 1 | 78 | 1007 | 274 |
| 845 | Asymmetric synthesis | 1 | 78 | 267 | 40 |
| 845 | East Asia | 2 | 78 | 823 | 399 |
| 845 | sex differences | 1 | 78 | 274 | 171 |
| 850 | Process Control | 3 | 77 | 969 | 1310 |
| 850 | genre | 3 | 77 | 191 | 128 |
| 850 | Decision Support Systems | 1 | 77 | 339 | 132 |
| 853 | Rural Development | 3 | 76 | 504 | 570 |
| 853 | Randomized Controlled Trials | 7 | 76 | 561 | 693 |
| 853 | Amyloidosis | 2 | 76 | 159 | 136 |
| 856 | Probability | 4 | 75 | 478 | 558 |
| 856 | Cosmochemistry | 2 | 75 | 974 | 932 |
| 856 | Informatics | 3 | 75 | 825 | 844 |
| 859 | nuclear magnetic resonance spectroscopy | 5 | 74 | 567 | 578 |
| 859 | NMR | 5 | 74 | 392 | 405 |
| 859 | magnetic resonance | 5 | 74 | 407 | 420 |
| 862 | Educational Anthropology | 3 | 73 | 103 | 85 |
| 862 | Language and Education | 8 | 73 | 35 | 100 |
| 862 | rare diseases | 7 | 73 | 322 | 570 |
| 862 | Cognitive Learning | 4 | 73 | 75 | 102 |
| 866 | Food Policy | 2 | 72 | 365 | 430 |
| 866 | Clinical Biochemistry | 3 | 72 | 1012 | 1013 |
| 866 | Human Capital | 2 | 72 | 324 | 306 |
| 869 | Zoology | 4 | 71 | 2021 | 1905 |
| 869 | Language Policy | 3 | 71 | 94 | 118 |
| 869 | Marine invertebrates | 1 | 71 | 441 | 151 |
| 869 | Action Research | 6 | 71 | 119 | 181 |
| 873 | Thermodynamics | 2 | 70 | 1497 | 944 |
| 873 | Thermochemistry | 2 | 70 | 582 | 497 |
| 873 | Exercise | 2 | 70 | 1711 | 1291 |
| 876 | Social Movements | 1 | 69 | 300 | 104 |
| 876 | Risk Management | 2 | 69 | 810 | 697 |
| 876 | Crystallization | 1 | 69 | 793 | 351 |
| 876 | Behavioral research | 4 | 69 | 471 | 468 |
| 876 | Collective behavior | 1 | 69 | 210 | 97 |
| 876 | drug abuse | 6 | 69 | 387 | 583 |
| 882 | Systems Engineering | 3 | 68 | 2147 | 2021 |
| 882 | Great Lakes | 1 | 68 | 355 | 236 |
| 882 | Relationships | 3 | 68 | 158 | 240 |
| 885 | Audiology | 2 | 67 | 806 | 709 |
| 885 | Protein engineering | 5 | 67 | 151 | 263 |
| 885 | molecular design | 5 | 67 | 174 | 266 |
| 888 | Neuroimaging | 2 | 66 | 332 | 253 |
| 888 | Critical Legal Studies | 2 | 66 | 170 | 87 |
| 888 | Roads | 5 | 66 | 497 | 514 |
| 891 | Paleoclimatology | 2 | 65 | 1161 | 1154 |
| 891 | Paleoecology | 2 | 65 | 1133 | 1102 |
| 891 | Fishery management | 1 | 65 | 1195 | 759 |
| 891 | Contraception | 3 | 65 | 536 | 609 |
| 891 | Fisheries Law | 1 | 65 | 190 | 171 |
| 891 | Paleogeography | 2 | 65 | 1037 | 1029 |
| 891 | Japan | 4 | 65 | 1517 | 1537 |
| 891 | fisheries management | 1 | 65 | 190 | 171 |
| 891 | Fisheries | 1 | 65 | 2080 | 1374 |
| 900 | Molecular cloning | 3 | 64 | 1320 | 1416 |
| 900 | Genetic recombination | 3 | 64 | 1302 | 1402 |
| 900 | Heart Failure | 3 | 64 | 327 | 469 |
| 900 | arthritis | 2 | 64 | 973 | 1115 |
| 900 | Recombinant DNA | 3 | 64 | 1367 | 1462 |
| 905 | Clinical Trials | 5 | 63 | 316 | 418 |
| 905 | Dynamics | 7 | 63 | 1096 | 1371 |
| 905 | Natural resources | 2 | 63 | 881 | 879 |
| 905 | Forecasting | 6 | 63 | 332 | 577 |
| 905 | agricultural policy | 1 | 63 | 416 | 395 |
| 905 | Body Image | 2 | 63 | 281 | 387 |
| 905 | Physical fitness | 3 | 63 | 979 | 1107 |
| 912 | Spirituality | 3 | 62 | 50 | 21 |
| 912 | Antibodies | 3 | 62 | 507 | 561 |
| 912 | Antigens | 3 | 62 | 645 | 720 |
| 915 | Rheumatology | 1 | 61 | 1276 | 1036 |
| 915 | Radiography | 6 | 61 | 464 | 925 |
| 917 | Education and globalization | 4 | 60 | 11 | 4 |
| 917 | Groundwater | 1 | 60 | 843 | 621 |
| 917 | Transnational education | 4 | 60 | 11 | 4 |
| 917 | adulthood | 6 | 60 | 34 | 115 |
| 921 | Ceramics | 2 | 59 | 1654 | 1330 |
| 921 | Social perception | 7 | 59 | 61 | 195 |
| 921 | Retirement | 11 | 59 | 2 | 5 |
| 921 | Glass | 2 | 59 | 1179 | 1115 |
| 921 | pottery | 2 | 59 | 1136 | 1090 |
| 926 | Actuarial Science | 1 | 58 | 441 | 265 |
| 926 | Immunopathology | 1 | 58 | 1334 | 1134 |
| 926 | Antibacterial agents | 1 | 58 | 938 | 829 |
| 926 | Regional Development | 1 | 58 | 489 | 329 |
| 926 | Development planning | 1 | 58 | 453 | 306 |
| 926 | Communication Disorders | 4 | 58 | 252 | 296 |
| 926 | Diplomatic relations | 6 | 58 | 401 | 385 |
| 926 | Microstructure | 6 | 58 | 590 | 813 |
| 926 | planning | 5 | 58 | 533 | 799 |
| 935 | Organizational Sociology | 3 | 57 | 363 | 433 |
| 935 | Hospitality industry | 7 | 57 | 177 | 561 |
| 935 | Solutions | 9 | 57 | 150 | 373 |
| 935 | Interactive multimedia | 2 | 57 | 702 | 743 |
| 939 | Neonatal Nursing | 14 | 56 | 9 | 55 |
| 939 | Nuclear Chemistry | 5 | 56 | 815 | 866 |
| 939 | environmental indicators | 3 | 56 | 1139 | 1601 |
| 942 | Databases | 1 | 55 | 585 | 410 |
| 942 | Sedimentology | 1 | 55 | 973 | 751 |
| 942 | History of Medicine | 7 | 55 | 283 | 221 |
| 942 | Evidence-based practice | 4 | 55 | 63 | 39 |
| 942 | animals | 6 | 55 | 851 | 1130 |
| 947 | Biochemical Genetics | 5 | 54 | 286 | 329 |
| 947 | women's rights | 3 | 54 | 130 | 180 |
| 947 | Socialism | 5 | 54 | 136 | 177 |
| 947 | Business communication | 1 | 54 | 297 | 205 |
| 951 | Oral Medicine | 1 | 53 | 1144 | 701 |
| 951 | Industrial Safety | 4 | 53 | 1008 | 1297 |
| 951 | Metastasis | 1 | 53 | 309 | 382 |
| 951 | association | 1 | 53 | 129 | 108 |
| 951 | infection | 6 | 53 | 934 | 1556 |
| 951 | scientific societies | 3 | 53 | 667 | 849 |
| 951 | crime victims | 2 | 53 | 216 | 181 |
| 951 | Organizations | 1 | 53 | 158 | 114 |
| 959 | Logistics | 2 | 52 | 728 | 849 |
| 959 | Inventory Control | 2 | 52 | 88 | 147 |
| 959 | chronic disease | 4 | 52 | 214 | 338 |
| 959 | Entomology | 5 | 52 | 1697 | 1925 |
| 963 | Immunotherapy | 2 | 50 | 1667 | 1838 |
| 963 | Social History | 28 | 50 | 60 | 357 |
| 963 | Nutrition physiology | 4 | 50 | 573 | 932 |
| 963 | Fashion merchandising | 5 | 50 | 19 | 78 |
| 963 | Christianity | 14 | 50 | 50 | 34 |
| 963 | Fashion | 5 | 50 | 84 | 153 |
| 969 | Environmental Education | 2 | 49 | 455 | 480 |
| 969 | patient satisfaction | 2 | 49 | 159 | 72 |
| 969 | Public Finance | 4 | 49 | 126 | 145 |
| 969 | cell interaction | 3 | 49 | 918 | 1300 |
| 973 | Romanticism | 11 | 48 | 34 | 29 |
| 973 | Urban Areas | 1 | 48 | 467 | 280 |
| 973 | synthesis | 3 | 48 | 1138 | 1055 |
| 976 | preimplantation genetic diagnosis | 3 | 47 | 403 | 530 |
| 976 | Autoantibodies | 1 | 47 | 737 | 740 |
| 976 | embryo transfer | 3 | 47 | 415 | 538 |
| 976 | Autoimmunity | 1 | 47 | 891 | 915 |
| 976 | Autoimmune diseases | 1 | 47 | 812 | 812 |
| 976 | energy development | 3 | 47 | 827 | 1256 |
| 982 | Telemedicine | 1 | 46 | 629 | 507 |
| 982 | Religion and Sociology | 7 | 46 | 97 | 173 |
| 982 | curriculum | 2 | 46 | 103 | 89 |
| 982 | Estuaries | 2 | 46 | 168 | 255 |
| 986 | Critical Care | 2 | 45 | 1197 | 1429 |
| 986 | Critical Care Medicine | 2 | 45 | 1149 | 1399 |
| 988 | Research methodology | 2 | 44 | 131 | 193 |
| 988 | Cardiovascular diseases | 4 | 44 | 1115 | 1416 |
| 988 | migration policy | 3 | 44 | 200 | 325 |
| 988 | optical devices | 2 | 44 | 625 | 597 |
| 992 | Ophthalmology | 1 | 43 | 1901 | 1656 |
| 992 | Ferroelectricity | 4 | 43 | 877 | 901 |
| 992 | Bible | 28 | 43 | 42 | 57 |
| 992 | Performance | 2 | 43 | 354 | 394 |
| 996 | Religion and Science | 8 | 42 | 43 | 58 |
| 996 | Cold War | 6 | 42 | 60 | 42 |
| 996 | Popular Literature | 8 | 42 | 39 | 58 |
| 996 | Vaccination | 1 | 42 | 416 | 389 |
| 996 | Eastern Europe | 4 | 42 | 731 | 758 |