| 1 | Science | 249 | 16.0K | 878 | 826 |
| 2 | United States | 756 | 14.8K | 125 | 188 |
| 3 | Ecology | 224 | 11.9K | 580 | 554 |
| 4 | Biology | 177 | 11.5K | 987 | 945 |
| 5 | Chemistry | 257 | 10.4K | 1155 | 1082 |
| 6 | Medicine | 244 | 10.4K | 935 | 832 |
| 7 | Psychology | 181 | 10.0K | 495 | 313 |
| 8 | Transportation | 243 | 9.1K | 55 | 53 |
| 9 | Microbiology | 84 | 9.0K | 1119 | 669 |
| 10 | Physics | 195 | 8.1K | 1243 | 1264 |
| 11 | management | 114 | 8.1K | 369 | 286 |
| 12 | Biochemistry | 189 | 7.9K | 1205 | 1033 |
| 13 | Public Health | 175 | 7.8K | 467 | 370 |
| 14 | Sociology | 102 | 7.6K | 333 | 175 |
| 15 | Environment | 115 | 7.3K | 641 | 638 |
| 16 | Research | 201 | 6.6K | 891 | 845 |
| 17 | Roads | 201 | 5.8K | 30 | 18 |
| 18 | Environmental Health | 108 | 5.5K | 669 | 583 |
| 19 | Social work | 239 | 5.4K | 44 | 33 |
| 20 | Natural history | 39 | 5.3K | 724 | 864 |
| 21 | Adolescent | 162 | 5.2K | 123 | 102 |
| 22 | marketing | 34 | 4.8K | 462 | 195 |
| 23 | Pollution | 100 | 4.8K | 809 | 793 |
| 24 | Molecular Biology | 93 | 4.7K | 1413 | 1199 |
| 25 | Social Psychology | 104 | 4.5K | 265 | 271 |
| 26 | Economic History | 77 | 4.4K | 432 | 157 |
| 27 | Materials | 63 | 4.1K | 1472 | 993 |
| 28 | Education | 122 | 4.1K | 400 | 277 |
| 29 | Hydrology | 68 | 4.0K | 325 | 222 |
| 30 | Health | 53 | 3.9K | 333 | 155 |
| 31 | Behavior | 95 | 3.9K | 425 | 476 |
| 32 | Nanotechnology | 102 | 3.9K | 825 | 884 |
| 33 | Pediatrics | 54 | 3.8K | 405 | 294 |
| 34 | Geriatrics | 191 | 3.7K | 204 | 294 |
| 35 | health behavior | 43 | 3.7K | 142 | 68 |
| 36 | Social Change | 76 | 3.6K | 11 | 29 |
| 37 | preventive medicine | 41 | 3.5K | 201 | 118 |
| 38 | Climatology | 39 | 3.3K | 384 | 221 |
| 39 | Sales management | 8 | 3.3K | 99 | 18 |
| 39 | selling | 8 | 3.3K | 99 | 18 |
| 41 | Geophysics | 96 | 3.3K | 578 | 563 |
| 42 | Economic Development | 26 | 3.3K | 377 | 152 |
| 43 | Social Sciences | 83 | 3.2K | 421 | 239 |
| 43 | Developing countries | 25 | 3.2K | 587 | 178 |
| 45 | Biophysics | 72 | 3.1K | 1149 | 943 |
| 46 | Child Development | 59 | 3.1K | 314 | 257 |
| 47 | Occupational Health | 41 | 3.0K | 120 | 38 |
| 48 | Child welfare | 133 | 3.0K | 33 | 40 |
| 49 | Vocational guidance | 41 | 2.9K | 159 | 106 |
| 50 | Water | 38 | 2.9K | 591 | 477 |
| 51 | Software Engineering | 64 | 2.9K | 83 | 74 |
| 52 | Microbial Ecology | 32 | 2.8K | 566 | 430 |
| 53 | Health promotion | 59 | 2.7K | 138 | 115 |
| 54 | Environmental Engineering | 59 | 2.7K | 625 | 579 |
| 55 | Biomedical Engineering | 63 | 2.6K | 995 | 810 |
| 56 | Geochemistry | 44 | 2.6K | 490 | 390 |
| 57 | Research Design | 17 | 2.6K | 366 | 143 |
| 58 | Aging | 159 | 2.6K | 218 | 377 |
| 59 | Geology | 51 | 2.5K | 732 | 522 |
| 60 | Oceanography | 53 | 2.5K | 327 | 284 |
| 61 | Epidemiology | 80 | 2.5K | 513 | 496 |
| 62 | city planning | 66 | 2.5K | 168 | 129 |
| 63 | Economic Thought | 1 | 2.3K | 489 | 30 |
| 63 | economic conditions | 1 | 2.3K | 774 | 36 |
| 65 | Communication | 68 | 2.3K | 273 | 268 |
| 66 | Analytical Chemistry | 36 | 2.3K | 1366 | 890 |
| 67 | environmental pollution | 56 | 2.3K | 918 | 906 |
| 68 | Biotechnology | 34 | 2.2K | 1674 | 1277 |
| 69 | Business | 40 | 2.2K | 457 | 431 |
| 70 | Meteorites | 42 | 2.2K | 222 | 243 |
| 71 | Entrepreneurship | 13 | 2.2K | 326 | 171 |
| 72 | Mental Health Services | 59 | 2.2K | 135 | 98 |
| 73 | Criminal psychology | 33 | 2.1K | 165 | 90 |
| 74 | Gerontology | 147 | 2.1K | 144 | 207 |
| 75 | Electronics | 80 | 2.1K | 580 | 529 |
| 76 | older people | 168 | 2.1K | 99 | 129 |
| 77 | Health Policy | 58 | 2.0K | 340 | 272 |
| 78 | Environmental Policy | 45 | 2.0K | 655 | 649 |
| 79 | Sustainable Development | 30 | 2.0K | 337 | 235 |
| 80 | Medical Anthropology | 36 | 2.0K | 245 | 227 |
| 81 | Community Psychiatry | 50 | 2.0K | 117 | 122 |
| 82 | Geography | 48 | 1.9K | 395 | 328 |
| 83 | Economics | 97 | 1.9K | 679 | 698 |
| 84 | Botany | 67 | 1.9K | 815 | 901 |
| 85 | Health Education | 63 | 1.9K | 258 | 236 |
| 86 | Technology | 37 | 1.9K | 969 | 609 |
| 87 | Developmental Psychology | 29 | 1.8K | 248 | 187 |
| 88 | Regional Planning | 43 | 1.8K | 276 | 188 |
| 89 | Bioengineering | 24 | 1.8K | 1389 | 1004 |
| 90 | Public Policy | 45 | 1.8K | 287 | 232 |
| 91 | Crystallography | 6 | 1.8K | 1196 | 116 |
| 92 | innovation | 13 | 1.8K | 194 | 139 |
| 93 | Child psychology | 46 | 1.8K | 302 | 338 |
| 94 | adolescence | 43 | 1.8K | 145 | 151 |
| 95 | biological evolution | 32 | 1.7K | 542 | 530 |
| 96 | Renewable Energy Sources | 25 | 1.7K | 799 | 768 |
| 97 | water supply | 24 | 1.7K | 240 | 186 |
| 98 | Venture Capital | 7 | 1.7K | 135 | 108 |
| 99 | Cross-Cultural Studies | 4 | 1.7K | 592 | 24 |
| 100 | sanitation | 34 | 1.7K | 344 | 448 |
| 101 | Physiology | 57 | 1.7K | 847 | 922 |
| 102 | planning | 41 | 1.7K | 48 | 26 |
| 103 | Intercultural Communication | 4 | 1.6K | 342 | 15 |
| 104 | International Finance | 23 | 1.6K | 491 | 200 |
| 105 | Autism | 17 | 1.6K | 209 | 123 |
| 106 | Earth Sciences | 36 | 1.6K | 887 | 638 |
| 107 | Community Psychology | 54 | 1.6K | 43 | 94 |
| 108 | Meteorology | 42 | 1.6K | 471 | 532 |
| 109 | rehabilitation | 43 | 1.6K | 394 | 357 |
| 110 | correctional psychology | 12 | 1.5K | 79 | 18 |
| 111 | Child | 45 | 1.5K | 464 | 378 |
| 112 | Mental Disorders | 43 | 1.5K | 574 | 638 |
| 113 | Water pollution | 22 | 1.5K | 941 | 680 |
| 114 | Marine Biology | 44 | 1.5K | 612 | 542 |
| 115 | Database Management | 31 | 1.5K | 166 | 145 |
| 116 | Developmental Disabilities | 29 | 1.5K | 227 | 207 |
| 117 | Political Science | 33 | 1.5K | 454 | 257 |
| 118 | Bioenergetics | 14 | 1.4K | 318 | 151 |
| 118 | Energy metabolism | 14 | 1.4K | 250 | 135 |
| 120 | Zoology | 39 | 1.4K | 619 | 414 |
| 121 | Speech Disorders | 64 | 1.4K | 146 | 186 |
| 122 | Bioorganic chemistry | 15 | 1.4K | 1236 | 646 |
| 123 | Environmental monitoring | 37 | 1.4K | 967 | 1016 |
| 124 | Environmental Management | 34 | 1.4K | 737 | 772 |
| 125 | Mathematics | 98 | 1.4K | 1259 | 1133 |
| 126 | Toxicology | 45 | 1.3K | 1105 | 1154 |
| 127 | Population Genetics | 18 | 1.3K | 415 | 311 |
| 128 | Multivariate Analysis | 11 | 1.3K | 233 | 54 |
| 129 | Language Disorders | 55 | 1.3K | 118 | 121 |
| 130 | Psychiatry | 66 | 1.3K | 754 | 1000 |
| 131 | Human Geography | 34 | 1.3K | 233 | 173 |
| 132 | System analysis | 21 | 1.3K | 832 | 393 |
| 133 | Solid State Physics | 56 | 1.3K | 1022 | 944 |
| 134 | Structural Equation Modeling | 8 | 1.3K | 59 | 21 |
| 135 | Organizational Behavior | 13 | 1.3K | 227 | 150 |
| 136 | Qualitative Research | 7 | 1.3K | 289 | 53 |
| 137 | Planets | 30 | 1.3K | 464 | 475 |
| 138 | foreign exchange | 18 | 1.2K | 37 | 25 |
| 139 | Technology Assessment | 36 | 1.2K | 5 | 11 |
| 140 | Microelectronics | 16 | 1.2K | 712 | 490 |
| 141 | Family | 28 | 1.2K | 220 | 165 |
| 142 | Biodiversity conservation | 15 | 1.2K | 621 | 636 |
| 143 | cell membrane | 12 | 1.2K | 263 | 142 |
| 144 | Pharmaceutical Chemistry | 29 | 1.2K | 1134 | 958 |
| 145 | Mental Health | 65 | 1.2K | 188 | 235 |
| 146 | health services | 47 | 1.2K | 133 | 143 |
| 147 | Sports | 12 | 1.2K | 976 | 438 |
| 148 | Molecular evolution | 24 | 1.2K | 400 | 386 |
| 149 | child abuse | 20 | 1.2K | 227 | 168 |
| 150 | Business Ethics | 20 | 1.2K | 243 | 297 |
| 151 | Molecular Genetics | 21 | 1.2K | 585 | 517 |
| 152 | Condensed Matter | 44 | 1.1K | 938 | 925 |
| 153 | miniaturization | 10 | 1.1K | 933 | 563 |
| 154 | personality | 31 | 1.1K | 408 | 471 |
| 155 | Cybernetics | 14 | 1.1K | 674 | 395 |
| 156 | Criminology | 48 | 1.1K | 159 | 163 |
| 157 | counseling | 44 | 1.1K | 239 | 248 |
| 158 | Environmental Microbiology | 14 | 1.1K | 520 | 394 |
| 159 | Evolution | 33 | 1.1K | 475 | 559 |
| 160 | Engineering | 33 | 1.1K | 1214 | 830 |
| 161 | Mental illness | 23 | 1.0K | 553 | 580 |
| 162 | Atmospheric Physics | 29 | 1.0K | 415 | 440 |
| 163 | Speech | 42 | 1.0K | 149 | 204 |
| 164 | Hearing | 39 | 1.0K | 126 | 121 |
| 165 | violence | 30 | 1.0K | 216 | 213 |
| 166 | Medical Physics | 15 | 996 | 670 | 467 |
| 167 | Autism spectrum disorders | 15 | 944 | 1 | 6 |
| 168 | Optics | 64 | 936 | 987 | 1042 |
| 169 | Climate change | 11 | 929 | 457 | 604 |
| 170 | Eutrophication | 10 | 927 | 464 | 602 |
| 171 | Genetics | 22 | 923 | 1167 | 1190 |
| 172 | Linguistics | 21 | 915 | 449 | 254 |
| 173 | environmental protection | 25 | 912 | 1108 | 1047 |
| 174 | Signal Processing | 37 | 911 | 697 | 771 |
| 175 | Atmospheric Chemistry | 21 | 909 | 312 | 359 |
| 176 | Materials Science | 88 | 903 | 807 | 1449 |
| 177 | bioclimatology | 9 | 898 | 431 | 113 |
| 178 | health planning | 27 | 889 | 569 | 377 |
| 179 | Population | 19 | 885 | 231 | 173 |
| 180 | educational statistics | 2 | 884 | 118 | 22 |
| 181 | Archaeology | 44 | 873 | 274 | 258 |
| 182 | energy development | 6 | 865 | 497 | 261 |
| 183 | Telecommunication | 18 | 864 | 1039 | 725 |
| 184 | human behavior | 37 | 852 | 551 | 924 |
| 185 | Control Theory | 7 | 851 | 1146 | 407 |
| 186 | Catalysis | 21 | 848 | 1511 | 1398 |
| 187 | Artificial Intelligence | 28 | 845 | 1228 | 1147 |
| 188 | Clinical Chemistry | 16 | 844 | 1058 | 821 |
| 189 | global environmental change | 12 | 836 | 298 | 239 |
| 190 | Neurophysiology | 23 | 834 | 959 | 974 |
| 191 | Organic Chemistry | 23 | 831 | 1213 | 988 |
| 192 | Medical Laboratory Science | 13 | 829 | 867 | 689 |
| 193 | polar regions | 15 | 819 | 214 | 95 |
| 194 | Sports Medicine | 7 | 812 | 1447 | 647 |
| 195 | health services accessibility | 15 | 810 | 300 | 166 |
| 195 | environmental indicators | 16 | 810 | 353 | 268 |
| 197 | economic policy | 41 | 807 | 490 | 421 |
| 198 | Social problems | 22 | 806 | 130 | 155 |
| 199 | Animal Behavior | 30 | 795 | 521 | 654 |
| 200 | finance | 22 | 776 | 779 | 614 |
| 201 | Environmental Chemistry | 16 | 758 | 728 | 768 |
| 202 | Cardiovascular system | 4 | 752 | 977 | 649 |
| 203 | Radiation | 9 | 751 | 1195 | 463 |
| 204 | Technological Innovations | 26 | 750 | 146 | 192 |
| 205 | Energy Policy | 19 | 742 | 1027 | 1106 |
| 206 | Microorganisms | 10 | 740 | 467 | 370 |
| 207 | Neurology | 23 | 737 | 1612 | 1646 |
| 208 | Geomorphology | 17 | 726 | 540 | 495 |
| 209 | Biodiversity | 15 | 724 | 860 | 678 |
| 210 | Clinical Psychology | 40 | 711 | 267 | 457 |
| 211 | Conservation Biology | 17 | 708 | 360 | 343 |
| 212 | family violence | 11 | 706 | 175 | 94 |
| 213 | Teaching | 31 | 699 | 402 | 397 |
| 214 | Physical Chemistry | 13 | 693 | 1035 | 752 |
| 215 | Nanostructured Materials | 20 | 692 | 1242 | 1190 |
| 216 | Systems Engineering | 5 | 686 | 1665 | 591 |
| 217 | Learning disabilities | 18 | 677 | 251 | 199 |
| 217 | Transport | 7 | 677 | 314 | 150 |
| 219 | Surgery | 5 | 676 | 1110 | 711 |
| 220 | Project Management | 4 | 673 | 215 | 117 |
| 221 | exobiology | 22 | 670 | 42 | 89 |
| 222 | alcoholism | 31 | 658 | 350 | 454 |
| 223 | Biocompatible Materials | 12 | 657 | 1728 | 1562 |
| 224 | Environmental Toxicology | 12 | 656 | 1111 | 874 |
| 225 | Automation | 10 | 655 | 1230 | 873 |
| 225 | organization | 28 | 655 | 162 | 355 |
| 227 | Computer Graphics | 10 | 644 | 900 | 523 |
| 228 | Natural resources | 13 | 641 | 280 | 228 |
| 229 | Urban Planning | 10 | 640 | 142 | 72 |
| 229 | Gender Studies | 11 | 640 | 174 | 62 |
| 231 | Obesity | 22 | 634 | 591 | 702 |
| 231 | Molecular ecology | 15 | 634 | 420 | 484 |
| 233 | Plant physiology | 9 | 632 | 1203 | 900 |
| 234 | Social behavior | 11 | 628 | 537 | 402 |
| 234 | Radio | 2 | 628 | 1456 | 534 |
| 236 | Intellectual disability | 13 | 621 | 328 | 219 |
| 237 | Signal Transduction | 3 | 619 | 1220 | 610 |
| 237 | Operations Research | 21 | 619 | 811 | 757 |
| 239 | Surface Chemistry | 20 | 616 | 1552 | 1519 |
| 240 | Behavioral research | 25 | 608 | 32 | 37 |
| 241 | Antioxidants | 2 | 607 | 838 | 360 |
| 241 | Oxidation-reduction | 2 | 607 | 850 | 425 |
| 243 | Educational Psychology | 18 | 601 | 540 | 500 |
| 244 | nanoscience | 23 | 594 | 1021 | 1232 |
| 245 | Economic planning | 9 | 587 | 205 | 76 |
| 246 | Cytology | 18 | 586 | 1512 | 1630 |
| 247 | Genomics | 14 | 584 | 1265 | 1096 |
| 248 | Cognition | 17 | 583 | 690 | 666 |
| 249 | elder abuse | 7 | 581 | 172 | 53 |
| 250 | Wildlife conservation | 12 | 579 | 466 | 447 |
| 251 | Psychophysiology | 30 | 578 | 842 | 1112 |
| 252 | Cell Biology | 14 | 576 | 1591 | 1615 |
| 253 | Phylogeny | 9 | 575 | 429 | 340 |
| 254 | Transportation Engineering | 6 | 574 | 200 | 78 |
| 255 | Sociolinguistics | 13 | 573 | 145 | 81 |
| 256 | Colloids | 21 | 572 | 1492 | 1616 |
| 256 | language | 18 | 572 | 242 | 275 |
| 258 | Employee selection | 11 | 571 | 34 | 17 |
| 259 | Parasitology | 18 | 568 | 877 | 690 |
| 260 | Computer Science | 13 | 566 | 887 | 399 |
| 260 | Family Therapy | 24 | 566 | 177 | 173 |
| 262 | Neuropsychology | 10 | 561 | 1156 | 812 |
| 263 | Biosensors | 7 | 560 | 797 | 662 |
| 263 | Bioelectronics | 7 | 560 | 682 | 585 |
| 265 | Anthropology | 43 | 558 | 302 | 378 |
| 265 | Databases | 15 | 558 | 142 | 122 |
| 267 | Birds | 40 | 556 | 234 | 273 |
| 268 | Virology | 17 | 555 | 1018 | 1254 |
| 269 | Landscape Ecology | 15 | 553 | 111 | 151 |
| 269 | Algae | 11 | 553 | 354 | 264 |
| 269 | Seaweed | 11 | 553 | 242 | 195 |
| 272 | Statistical physics | 41 | 546 | 1020 | 1240 |
| 273 | Chemical analysis | 8 | 545 | 639 | 325 |
| 274 | Plant Ecology | 11 | 544 | 856 | 758 |
| 275 | medical education | 16 | 542 | 616 | 479 |
| 276 | Agriculture | 6 | 541 | 1352 | 654 |
| 277 | Physical Geography | 15 | 538 | 120 | 106 |
| 278 | sustainability | 4 | 536 | 707 | 329 |
| 279 | Systems Analysis | 15 | 531 | 382 | 234 |
| 280 | Logistics | 5 | 528 | 393 | 184 |
| 281 | Ecological Engineering | 3 | 524 | 645 | 194 |
| 281 | Primary health care | 23 | 524 | 447 | 437 |
| 283 | Urban Policy | 12 | 522 | 309 | 230 |
| 283 | Social welfare | 27 | 522 | 109 | 122 |
| 285 | Communication in medicine | 17 | 516 | 150 | 150 |
| 286 | Hydraulic Engineering | 10 | 512 | 434 | 285 |
| 287 | Sleep | 11 | 509 | 694 | 511 |
| 287 | Plants | 9 | 509 | 1113 | 865 |
| 289 | Urban Geography | 11 | 505 | 86 | 48 |
| 290 | Hydrodynamics | 8 | 504 | 334 | 215 |
| 291 | Emotions | 16 | 502 | 210 | 281 |
| 292 | Geomagnetism | 12 | 501 | 288 | 214 |
| 293 | Wireless Communication Systems | 16 | 493 | 1020 | 847 |
| 294 | Planetary Science | 19 | 492 | 140 | 123 |
| 295 | behavioral medicine | 13 | 490 | 501 | 559 |
| 296 | Ethology | 15 | 478 | 604 | 735 |
| 296 | Women's health | 30 | 478 | 225 | 305 |
| 298 | Structuralism | 6 | 477 | 86 | 75 |
| 298 | Social Networks | 6 | 477 | 148 | 82 |
| 300 | Industrial Safety | 25 | 472 | 230 | 331 |
| 301 | Environmentalism | 1 | 468 | 295 | 41 |
| 302 | disabilities | 6 | 466 | 438 | 191 |
| 303 | occupational diseases | 12 | 465 | 307 | 284 |
| 304 | Substance Abuse | 23 | 460 | 409 | 471 |
| 305 | Aquatic ecology | 11 | 459 | 404 | 260 |
| 306 | Risk Management | 9 | 458 | 282 | 178 |
| 307 | Ornithology | 26 | 457 | 248 | 250 |
| 307 | plant communities | 10 | 457 | 553 | 578 |
| 309 | Financial management | 7 | 456 | 234 | 188 |
| 309 | Optical materials | 9 | 456 | 1504 | 1257 |
| 309 | commerce | 11 | 456 | 696 | 554 |
| 312 | child mental health | 21 | 454 | 107 | 122 |
| 313 | computer networks | 13 | 448 | 1161 | 985 |
| 314 | Health Services Administration | 20 | 445 | 231 | 269 |
| 315 | at-risk youth | 14 | 444 | 22 | 33 |
| 316 | Psychiatric hospitals | 10 | 441 | 123 | 83 |
| 316 | sex crimes | 18 | 441 | 167 | 181 |
| 318 | Statistics | 33 | 440 | 798 | 835 |
| 318 | Public Administration | 29 | 440 | 334 | 417 |
| 318 | Health insurance | 15 | 440 | 127 | 162 |
| 321 | Solar Energy | 10 | 439 | 897 | 794 |
| 322 | speech therapy | 16 | 438 | 133 | 111 |
| 323 | Small Business | 3 | 433 | 717 | 472 |
| 324 | Bacteriology | 12 | 429 | 804 | 902 |
| 325 | population geography | 6 | 427 | 235 | 94 |
| 326 | Paleoclimatology | 10 | 426 | 595 | 514 |
| 327 | Obstetrics | 17 | 424 | 871 | 849 |
| 327 | Power Electronics | 10 | 424 | 590 | 554 |
| 329 | Demography | 9 | 422 | 292 | 221 |
| 330 | Europe | 18 | 419 | 1103 | 1012 |
| 331 | Electrochemistry | 19 | 417 | 1653 | 1555 |
| 332 | Special Education | 23 | 414 | 182 | 197 |
| 333 | Development | 11 | 411 | 307 | 352 |
| 334 | men | 8 | 408 | 91 | 39 |
| 335 | Nuclear Physics | 29 | 406 | 1570 | 1749 |
| 336 | Earthquake Engineering | 11 | 403 | 697 | 608 |
| 336 | educational planning | 5 | 403 | 272 | 135 |
| 336 | Economic Assistance | 10 | 403 | 292 | 330 |
| 339 | Vocational Education | 12 | 398 | 203 | 140 |
| 340 | Freshwater invertebrates | 7 | 397 | 99 | 78 |
| 340 | Membranes | 23 | 397 | 605 | 930 |
| 340 | Attention | 12 | 397 | 684 | 652 |
| 343 | Elderly | 118 | 393 | 101 | 235 |
| 343 | internet | 13 | 393 | 660 | 646 |
| 345 | Discourse Analysis | 8 | 388 | 175 | 108 |
| 345 | Semiconductors | 24 | 388 | 631 | 706 |
| 347 | Semiotics | 16 | 387 | 67 | 28 |
| 347 | world | 9 | 387 | 330 | 397 |
| 349 | Disability Law | 9 | 383 | 64 | 25 |
| 350 | Health Services Research | 19 | 381 | 486 | 538 |
| 351 | Youth | 12 | 380 | 272 | 309 |
| 352 | Fisheries | 11 | 375 | 710 | 607 |
| 353 | energy conservation | 12 | 373 | 940 | 1168 |
| 353 | Nanostructures | 6 | 373 | 1365 | 942 |
| 355 | industrial hygiene | 27 | 372 | 168 | 156 |
| 356 | Early Childhood Education | 10 | 369 | 268 | 148 |
| 356 | Metaphor | 9 | 369 | 6 | 7 |
| 358 | Adolescent Psychology | 14 | 367 | 320 | 395 |
| 358 | Respiration | 7 | 367 | 862 | 692 |
| 360 | viruses | 12 | 365 | 562 | 701 |
| 361 | ethnicity | 11 | 364 | 277 | 134 |
| 362 | language therapy | 9 | 363 | 74 | 48 |
| 363 | Patient education | 6 | 360 | 362 | 279 |
| 364 | Marine Pollution | 9 | 359 | 629 | 605 |
| 365 | Chemical Engineering | 10 | 358 | 2386 | 2249 |
| 365 | software | 14 | 358 | 360 | 481 |
| 365 | Primates | 15 | 358 | 235 | 254 |
| 368 | Feminism | 12 | 357 | 238 | 149 |
| 369 | Comparative Physiology | 11 | 354 | 375 | 368 |
| 369 | Sleep Disorders | 5 | 354 | 1002 | 610 |
| 371 | Growth | 3 | 350 | 909 | 694 |
| 372 | Paleogeography | 9 | 349 | 522 | 477 |
| 373 | crime | 23 | 347 | 175 | 222 |
| 374 | Quantum Optics | 23 | 344 | 228 | 299 |
| 374 | Atomic spectroscopy | 23 | 344 | 328 | 414 |
| 374 | Laser Spectroscopy | 23 | 344 | 184 | 267 |
| 377 | Flood forecasting | 4 | 342 | 61 | 10 |
| 377 | Flood control | 4 | 342 | 180 | 24 |
| 379 | Paleoecology | 9 | 341 | 610 | 524 |
| 379 | Quality of life | 7 | 341 | 862 | 676 |
| 381 | Image Processing | 7 | 338 | 1414 | 1090 |
| 381 | Ecosystem management | 9 | 338 | 322 | 301 |
| 383 | Environmental Education | 5 | 337 | 234 | 111 |
| 384 | Aerosols | 4 | 329 | 435 | 210 |
| 385 | Soil Science | 5 | 328 | 1390 | 937 |
| 386 | complementary therapies | 8 | 327 | 898 | 643 |
| 387 | Perception | 13 | 326 | 755 | 784 |
| 388 | Biogeochemistry | 9 | 324 | 565 | 629 |
| 389 | Decision making | 11 | 323 | 643 | 605 |
| 390 | Politics | 11 | 317 | 211 | 183 |
| 390 | Parallel Processing | 5 | 317 | 335 | 251 |
| 392 | Nutrition | 10 | 314 | 2054 | 2038 |
| 392 | ecosystem | 10 | 314 | 638 | 762 |
| 392 | biological invasions | 15 | 314 | 159 | 267 |
| 395 | urban forestry | 7 | 313 | 86 | 67 |
| 396 | Visual Perception | 11 | 308 | 695 | 698 |
| 396 | animals | 2 | 308 | 1371 | 404 |
| 396 | drug addiction | 16 | 308 | 398 | 547 |
| 396 | Memory | 11 | 308 | 782 | 828 |
| 400 | Molecular structure | 6 | 307 | 1693 | 1067 |
| 401 | government | 9 | 306 | 290 | 229 |
| 402 | Production Management | 5 | 305 | 836 | 789 |
| 403 | Mathematics Education | 11 | 302 | 168 | 109 |
| 404 | Cognitive Therapy | 4 | 301 | 496 | 289 |
| 405 | Ocean Engineering | 7 | 299 | 1056 | 848 |
| 405 | families | 16 | 299 | 285 | 286 |
| 407 | Molecular Microbiology | 6 | 298 | 557 | 594 |
| 407 | Forest Management | 15 | 298 | 350 | 510 |
| 409 | Diet | 7 | 297 | 1112 | 1159 |
| 410 | Numerical Analysis | 16 | 296 | 1042 | 923 |
| 411 | Medical Technology | 15 | 294 | 552 | 735 |
| 412 | natural disasters | 11 | 292 | 538 | 609 |
| 413 | Forest Ecology | 13 | 286 | 419 | 563 |
| 414 | Alternative Medicine | 7 | 283 | 886 | 701 |
| 415 | Extreme environments | 5 | 280 | 134 | 101 |
| 416 | pain | 7 | 277 | 760 | 723 |
| 417 | Animal ecology | 4 | 276 | 903 | 575 |
| 418 | biological monitoring | 4 | 275 | 375 | 203 |
| 419 | Psychosomatic Medicine | 4 | 274 | 604 | 449 |
| 419 | Multimedia Systems | 12 | 274 | 829 | 731 |
| 419 | women | 10 | 274 | 372 | 191 |
| 422 | rivers | 15 | 273 | 53 | 109 |
| 423 | Immunology | 10 | 272 | 1477 | 1620 |
| 423 | energy resources | 5 | 272 | 982 | 1058 |
| 425 | Mineralogy | 5 | 266 | 954 | 672 |
| 426 | Pharmacology | 12 | 265 | 2259 | 2421 |
| 426 | Strategic planning | 14 | 265 | 210 | 361 |
| 428 | nucleic acids | 10 | 263 | 812 | 995 |
| 428 | infection | 6 | 263 | 970 | 856 |
| 430 | Building | 6 | 260 | 345 | 190 |
| 430 | lasers | 15 | 260 | 941 | 949 |
| 432 | Socioeconomic Factors | 9 | 258 | 341 | 332 |
| 433 | Virulence | 6 | 257 | 652 | 781 |
| 434 | sexual behavior | 13 | 255 | 235 | 339 |
| 435 | Astronomy | 3 | 254 | 2109 | 1477 |
| 435 | Adult Education | 9 | 254 | 263 | 149 |
| 437 | Petrology | 6 | 253 | 637 | 579 |
| 438 | hazard mitigation | 9 | 252 | 387 | 424 |
| 438 | Brain | 3 | 252 | 2034 | 1400 |
| 438 | police | 11 | 252 | 143 | 101 |
| 441 | International Relations | 12 | 250 | 451 | 386 |
| 442 | Organizational change | 9 | 248 | 328 | 337 |
| 442 | fossil | 3 | 248 | 45 | 10 |
| 444 | behavior therapy | 5 | 244 | 573 | 447 |
| 444 | RNA | 7 | 244 | 291 | 338 |
| 446 | drug abuse | 15 | 243 | 197 | 268 |
| 447 | Organizational culture | 1 | 241 | 99 | 31 |
| 447 | corporate culture | 1 | 241 | 396 | 77 |
| 449 | Infections | 3 | 240 | 935 | 720 |
| 449 | actuators | 9 | 240 | 1273 | 1395 |
| 449 | transducers | 9 | 240 | 1273 | 1395 |
| 452 | Ethnology | 15 | 239 | 507 | 515 |
| 452 | Reading | 10 | 239 | 280 | 279 |
| 454 | Stress | 4 | 238 | 205 | 111 |
| 455 | Physical organic chemistry | 4 | 237 | 1199 | 760 |
| 455 | Nonprofit organizations | 13 | 237 | 79 | 140 |
| 457 | Paleontology | 5 | 235 | 953 | 602 |
| 458 | Developmental Biology | 8 | 234 | 1025 | 1204 |
| 458 | Advertising | 2 | 234 | 368 | 200 |
| 458 | Water quality management | 13 | 234 | 767 | 841 |
| 461 | Green Chemistry | 4 | 233 | 1394 | 1250 |
| 461 | Long-Term Care | 17 | 233 | 147 | 327 |
| 461 | Long-term care facilities | 17 | 233 | 147 | 326 |
| 464 | Juvenile delinquency | 11 | 230 | 121 | 139 |
| 464 | Human evolution | 3 | 230 | 382 | 300 |
| 464 | urban health | 6 | 230 | 135 | 133 |
| 464 | Suicide | 10 | 230 | 227 | 255 |
| 468 | Work | 7 | 227 | 171 | 152 |
| 469 | social science | 1 | 225 | 311 | 118 |
| 470 | Endocrinology | 14 | 223 | 1157 | 1625 |
| 470 | Computational Biology | 8 | 223 | 1371 | 1344 |
| 470 | Maternal health services | 10 | 223 | 134 | 168 |
| 470 | Sites | 7 | 223 | 329 | 371 |
| 474 | Marriage | 11 | 221 | 204 | 240 |
| 475 | Nonverbal Communication | 5 | 220 | 129 | 129 |
| 475 | Job satisfaction | 6 | 220 | 47 | 107 |
| 475 | Carbon | 7 | 220 | 808 | 1044 |
| 475 | job stress | 6 | 220 | 47 | 107 |
| 479 | Marine Meteorology | 4 | 219 | 256 | 208 |
| 480 | Chemical Ecology | 6 | 216 | 340 | 355 |
| 480 | Agricultural Ecology | 5 | 216 | 708 | 720 |
| 482 | Nursing | 10 | 213 | 973 | 777 |
| 482 | Simulation Methods | 15 | 213 | 276 | 435 |
| 484 | sports administration | 2 | 208 | 395 | 129 |
| 484 | child behavior | 14 | 208 | 119 | 275 |
| 486 | Cosmochemistry | 5 | 207 | 646 | 568 |
| 487 | Australia | 12 | 205 | 753 | 806 |
| 488 | Algorithms | 4 | 204 | 623 | 302 |
| 488 | Analytical Biochemistry | 5 | 204 | 1270 | 965 |
| 488 | Intellectual Property | 4 | 204 | 132 | 9 |
| 488 | patents | 4 | 204 | 26 | 9 |
| 488 | Vaccines | 4 | 204 | 1207 | 893 |
| 493 | Energy Conversion | 2 | 202 | 1283 | 999 |
| 493 | Microprocessors | 11 | 202 | 237 | 203 |
| 495 | Electrical Engineering | 77 | 201 | 548 | 1374 |
| 495 | Stochastic Processes | 4 | 201 | 778 | 362 |
| 495 | Positive Psychology | 3 | 201 | 154 | 155 |
| 495 | Communication in politics | 7 | 201 | 117 | 79 |
| 495 | Human Resources | 3 | 201 | 443 | 351 |
| 500 | Land use | 21 | 200 | 267 | 732 |
| 501 | Personality Assessment | 14 | 199 | 196 | 423 |
| 502 | recreation | 13 | 198 | 246 | 278 |
| 503 | Entomology | 6 | 197 | 1517 | 1046 |
| 504 | Mechanical Engineering | 8 | 196 | 1518 | 1130 |
| 504 | Architectural Design | 2 | 196 | 581 | 149 |
| 504 | Geographic information systems | 6 | 196 | 736 | 473 |
| 504 | Career development | 10 | 196 | 145 | 162 |
| 504 | Radicalism | 6 | 196 | 10 | 4 |
| 509 | air quality management | 6 | 195 | 283 | 288 |
| 509 | Climate | 4 | 195 | 465 | 357 |
| 511 | Biomechanics | 8 | 194 | 722 | 778 |
| 511 | Social interaction | 8 | 194 | 163 | 205 |
| 513 | Continental shelf | 3 | 193 | 350 | 252 |
| 514 | Library Science | 16 | 192 | 238 | 237 |
| 515 | mass transfer | 3 | 191 | 1557 | 1139 |
| 516 | consumer behavior | 6 | 190 | 318 | 373 |
| 516 | Nonlinear Dynamics | 15 | 190 | 928 | 1144 |
| 516 | pheromones | 5 | 190 | 341 | 363 |
| 516 | human development | 7 | 190 | 481 | 535 |
| 516 | environmental issues | 4 | 190 | 331 | 248 |
| 516 | Exercise | 5 | 190 | 1054 | 746 |
| 522 | Open Access Publishing | 7 | 189 | 59 | 43 |
| 522 | Learning | 6 | 189 | 808 | 799 |
| 524 | Ventilation | 6 | 188 | 298 | 254 |
| 525 | Psychiatric Epidemiology | 3 | 187 | 453 | 366 |
| 526 | freshwater biology | 6 | 186 | 586 | 525 |
| 527 | weather | 4 | 185 | 448 | 334 |
| 528 | Sustainable Engineering | 5 | 184 | 1200 | 1142 |
| 528 | indoor air pollution | 5 | 184 | 240 | 223 |
| 528 | Sick building syndrome | 5 | 184 | 240 | 223 |
| 531 | community development | 11 | 182 | 227 | 309 |
| 531 | Geobiology | 7 | 182 | 245 | 273 |
| 533 | Ethics | 9 | 180 | 454 | 407 |
| 533 | Biodegradation | 1 | 180 | 1227 | 516 |
| 533 | healthcare disparities | 8 | 180 | 217 | 236 |
| 533 | Water Microbiology | 1 | 180 | 836 | 245 |
| 533 | industrial relations | 7 | 180 | 490 | 425 |
| 533 | Fouling | 1 | 180 | 439 | 161 |
| 539 | Photochemistry | 5 | 179 | 1254 | 1078 |
| 539 | Plant cells | 3 | 179 | 876 | 1006 |
| 541 | Diagnostic Imaging | 5 | 178 | 1303 | 1031 |
| 541 | Photobiology | 4 | 178 | 1153 | 869 |
| 543 | Spectrum analysis | 10 | 176 | 2282 | 2413 |
| 543 | mammals | 18 | 176 | 311 | 522 |
| 545 | Genetic algorithms | 5 | 175 | 210 | 345 |
| 545 | Evolutionary Computation | 5 | 175 | 313 | 441 |
| 545 | Medical innovations | 6 | 175 | 545 | 905 |
| 548 | Biogeography | 5 | 171 | 696 | 807 |
| 548 | Happiness | 3 | 171 | 444 | 293 |
| 548 | Wind power | 6 | 171 | 153 | 124 |
| 551 | Biometrics | 14 | 169 | 434 | 593 |
| 551 | homosexuality | 7 | 169 | 201 | 214 |
| 553 | Metallurgy | 6 | 168 | 1515 | 1271 |
| 553 | Program Evaluation | 2 | 168 | 119 | 51 |
| 553 | evaluation | 2 | 168 | 220 | 46 |
| 553 | Marine mammals | 10 | 168 | 84 | 129 |
| 557 | Ecological Genetics | 7 | 167 | 348 | 288 |
| 558 | Hospitals | 13 | 166 | 140 | 170 |
| 559 | Speech-Language Pathology | 6 | 165 | 165 | 139 |
| 559 | Human-Computer Interaction | 6 | 165 | 1029 | 1000 |
| 559 | Magnetic Materials | 6 | 165 | 1098 | 1023 |
| 562 | Japan | 4 | 164 | 1481 | 905 |
| 563 | North America | 10 | 163 | 325 | 403 |
| 564 | Structural Engineering | 8 | 162 | 966 | 985 |
| 564 | Environmental Economics | 11 | 162 | 93 | 198 |
| 566 | soil microbiology | 2 | 161 | 1489 | 1282 |
| 567 | Post-traumatic stress disorder | 6 | 160 | 459 | 533 |
| 567 | Metals | 9 | 160 | 1138 | 1280 |
| 569 | Ophthalmology | 8 | 159 | 1001 | 1083 |
| 569 | Chronic diseases | 4 | 159 | 475 | 513 |
| 571 | Sea | 4 | 158 | 401 | 338 |
| 571 | Fishery resources | 4 | 158 | 457 | 372 |
| 573 | Information Technology | 17 | 157 | 890 | 1508 |
| 573 | Hydrometeorology | 3 | 157 | 194 | 208 |
| 573 | Fishery management | 5 | 157 | 564 | 443 |
| 576 | population policy | 9 | 156 | 55 | 87 |
| 577 | Ergonomics | 7 | 155 | 564 | 546 |
| 578 | Computer Engineering | 9 | 154 | 422 | 485 |
| 579 | Paleoceanography | 2 | 152 | 209 | 210 |
| 580 | Computer Architecture | 7 | 150 | 311 | 231 |
| 580 | Remote Sensing | 2 | 150 | 1664 | 767 |
| 580 | Asia | 10 | 150 | 1418 | 1423 |
| 583 | Parasitic Diseases | 10 | 148 | 952 | 1275 |
| 583 | behavior modification | 4 | 148 | 319 | 358 |
| 585 | Race | 2 | 147 | 85 | 29 |
| 585 | Therapeutics | 3 | 147 | 1283 | 1102 |
| 587 | Genetic engineering | 5 | 146 | 1409 | 1433 |
| 587 | Bioinformatics | 6 | 146 | 1293 | 1328 |
| 589 | Evidence-Based Medicine | 3 | 145 | 673 | 451 |
| 590 | Mixed methods research | 4 | 144 | 32 | 63 |
| 591 | Quantitative Research | 6 | 143 | 144 | 189 |
| 591 | China | 13 | 143 | 1288 | 1746 |
| 593 | mediation | 6 | 142 | 28 | 15 |
| 594 | Futures | 3 | 141 | 306 | 189 |
| 594 | drugs | 7 | 141 | 1212 | 1313 |
| 596 | Solid State Chemistry | 9 | 140 | 1527 | 1625 |
| 597 | Culture | 13 | 139 | 432 | 476 |
| 598 | psychotherapy | 10 | 138 | 633 | 854 |
| 598 | Information Science | 9 | 138 | 1462 | 1858 |
| 600 | Nondestructive testing | 7 | 137 | 400 | 418 |
| 600 | Critical Care | 3 | 137 | 1139 | 1144 |
| 600 | Critical Care Medicine | 3 | 137 | 1090 | 1121 |
| 600 | Medical Microbiology | 3 | 137 | 1699 | 1637 |
| 600 | Viticulture | 2 | 137 | 151 | 70 |
| 600 | forestry | 6 | 137 | 135 | 149 |
| 600 | Wine | 2 | 137 | 64 | 18 |
| 607 | Soil dynamics | 3 | 136 | 519 | 380 |
| 608 | Fiber Optics | 4 | 135 | 789 | 642 |
| 608 | Law enforcement | 4 | 135 | 75 | 68 |
| 610 | Volcanoes | 5 | 134 | 204 | 232 |
| 611 | cultural pluralism | 4 | 133 | 336 | 198 |
| 612 | Audiology | 10 | 132 | 400 | 553 |
| 612 | Environmental Law | 3 | 132 | 963 | 1125 |
| 614 | Applied Linguistics | 4 | 131 | 532 | 328 |
| 614 | Employee rights | 2 | 131 | 113 | 38 |
| 616 | Critical Pedagogy | 3 | 130 | 58 | 19 |
| 617 | Adult learning | 2 | 129 | 39 | 17 |
| 617 | non-formal education | 2 | 129 | 41 | 17 |
| 619 | Fluid Mechanics | 6 | 128 | 1037 | 1005 |
| 619 | Bioinorganic chemistry | 6 | 128 | 973 | 1055 |
| 621 | Mobile Computing | 5 | 127 | 844 | 773 |
| 621 | Polymers | 6 | 127 | 2735 | 2679 |
| 621 | Cryptography | 5 | 127 | 480 | 275 |
| 621 | Organelle biogenesis | 5 | 127 | 139 | 165 |
| 625 | Cultural diversity | 2 | 126 | 206 | 157 |
| 626 | vibration | 2 | 125 | 1303 | 895 |
| 626 | Microstructure | 3 | 125 | 924 | 447 |
| 628 | Serology | 2 | 124 | 607 | 340 |
| 629 | Physical Therapy | 4 | 123 | 999 | 932 |
| 629 | Quantum electronics | 6 | 123 | 1127 | 1001 |
| 631 | Coastal zone management | 3 | 122 | 637 | 512 |
| 631 | econometric models | 2 | 122 | 805 | 497 |
| 633 | visualization | 7 | 121 | 849 | 619 |
| 633 | cryosphere | 5 | 121 | 265 | 314 |
| 635 | Hematology | 3 | 120 | 1552 | 1399 |
| 635 | Development Economics | 2 | 120 | 539 | 294 |
| 635 | mental health policy | 5 | 120 | 134 | 128 |
| 638 | Law | 9 | 119 | 684 | 484 |
| 638 | Architecture | 7 | 119 | 298 | 253 |
| 638 | Hydrogeology | 6 | 119 | 417 | 494 |
| 638 | Mathematical Physics | 16 | 119 | 1311 | 1690 |
| 638 | Schizophrenia | 2 | 119 | 950 | 804 |
| 638 | Vision | 5 | 119 | 488 | 558 |
| 644 | Democracy | 3 | 118 | 310 | 134 |
| 644 | Democratization | 3 | 118 | 125 | 95 |
| 644 | Stress management | 1 | 118 | 39 | 12 |
| 644 | Wetland ecology | 5 | 118 | 274 | 313 |
| 644 | Aggression | 7 | 118 | 275 | 454 |
| 649 | Diagnostic microbiology | 4 | 117 | 822 | 1111 |
| 649 | Thorax | 4 | 117 | 312 | 393 |
| 651 | Probability | 5 | 116 | 405 | 438 |
| 651 | Risk | 5 | 116 | 356 | 452 |
| 651 | polymerization | 3 | 116 | 2907 | 2407 |
| 651 | drug control | 3 | 116 | 332 | 289 |
| 655 | Metabolism | 4 | 115 | 1664 | 1883 |
| 655 | Wetland conservation | 4 | 115 | 215 | 217 |
| 655 | probabilities | 10 | 115 | 752 | 722 |
| 655 | Wetlands | 4 | 115 | 224 | 218 |
| 659 | Molecular cloning | 3 | 114 | 1297 | 1075 |
| 659 | Genetic recombination | 3 | 114 | 1280 | 1065 |
| 659 | Housing | 7 | 114 | 265 | 435 |
| 659 | construction | 3 | 114 | 192 | 180 |
| 659 | Recombinant DNA | 3 | 114 | 1345 | 1114 |
| 664 | Knowledge management | 14 | 112 | 31 | 153 |
| 664 | atmospheric models | 5 | 112 | 444 | 560 |
| 666 | Neural circuitry | 8 | 111 | 1235 | 1758 |
| 666 | Socialization | 5 | 111 | 374 | 544 |
| 666 | local government | 3 | 111 | 333 | 286 |
| 669 | Marine Ecology | 3 | 110 | 716 | 544 |
| 669 | Psycholinguistics | 5 | 110 | 691 | 789 |
| 671 | Information Systems | 11 | 109 | 626 | 1097 |
| 671 | Computer Vision | 3 | 109 | 1080 | 1020 |
| 671 | Emergency Medicine | 7 | 109 | 804 | 828 |
| 674 | Anatomy | 5 | 108 | 1369 | 1361 |
| 674 | Astrophysics | 4 | 108 | 2253 | 2025 |
| 674 | Engineering Geology | 11 | 108 | 691 | 1128 |
| 677 | Fisheries Law | 3 | 107 | 112 | 126 |
| 677 | fisheries management | 3 | 107 | 112 | 126 |
| 679 | Plastics | 2 | 105 | 1808 | 1205 |
| 680 | Restorative justice | 8 | 104 | 43 | 62 |
| 680 | Dementia | 24 | 104 | 415 | 727 |
| 680 | Alzheimer's disease | 24 | 104 | 426 | 791 |
| 683 | Bryology | 4 | 103 | 154 | 108 |
| 683 | Sensor Networks | 1 | 103 | 493 | 162 |
| 683 | Writing | 3 | 103 | 286 | 252 |
| 683 | research and development | 6 | 103 | 187 | 364 |
| 683 | population trends | 2 | 103 | 96 | 125 |
| 683 | California | 14 | 103 | 139 | 264 |
| 683 | Demographic analysis | 2 | 103 | 22 | 23 |
| 683 | Population Dynamics | 3 | 103 | 177 | 159 |
| 691 | Religion and Psychology | 2 | 102 | 705 | 302 |
| 692 | Information Theory | 7 | 101 | 897 | 1034 |
| 692 | Embryology | 3 | 101 | 1177 | 1249 |
| 692 | Structural dynamics | 2 | 101 | 1058 | 964 |
| 692 | Biological Systems | 1 | 101 | 938 | 480 |
| 692 | Integrated Circuits | 12 | 101 | 323 | 335 |
| 692 | Electrochemical Analysis | 4 | 101 | 1328 | 1293 |
| 692 | Geodynamics | 2 | 101 | 886 | 766 |
| 692 | Consumer education | 3 | 101 | 324 | 366 |
| 692 | educational accountability | 6 | 101 | 62 | 77 |
| 701 | Rural Development | 1 | 100 | 861 | 468 |
| 701 | Parasites | 9 | 100 | 856 | 1192 |
| 701 | Solar System | 1 | 100 | 943 | 618 |
| 704 | Disability Studies | 4 | 99 | 202 | 159 |
| 704 | Decision Support Systems | 4 | 99 | 102 | 103 |
| 704 | automatic speech recognition | 1 | 99 | 328 | 124 |
| 707 | Data Mining | 6 | 98 | 1057 | 1362 |
| 707 | Nanoelectronics | 5 | 98 | 580 | 471 |
| 707 | Cognitive neuroscience | 1 | 98 | 1295 | 910 |
| 707 | Cardiovascular diseases | 2 | 98 | 1488 | 1091 |
| 707 | Optoelectronic devices | 3 | 98 | 970 | 519 |
| 707 | Reproduction | 3 | 98 | 1835 | 1589 |
| 707 | Written communication | 2 | 98 | 130 | 91 |
| 714 | Fluid Dynamics | 10 | 97 | 564 | 879 |
| 714 | Ecophysiology | 5 | 97 | 122 | 177 |
| 716 | Organizational learning | 13 | 96 | 50 | 251 |
| 716 | Literacy | 6 | 96 | 185 | 201 |
| 716 | race relations | 11 | 96 | 253 | 431 |
| 719 | primary prevention | 6 | 95 | 227 | 355 |
| 720 | Nuclear Energy | 4 | 94 | 787 | 642 |
| 720 | Intelligent Transportation Systems | 3 | 94 | 1055 | 1072 |
| 720 | Geothermal Energy | 5 | 94 | 146 | 210 |
| 720 | Smoking | 8 | 94 | 374 | 679 |
| 720 | Fertilizers | 1 | 94 | 550 | 324 |
| 725 | Tourism | 1 | 93 | 2194 | 1583 |
| 725 | rural health | 5 | 93 | 121 | 156 |
| 725 | social justice | 6 | 93 | 218 | 178 |
| 725 | Paleopathology | 1 | 93 | 505 | 185 |
| 725 | Business communication | 4 | 93 | 140 | 145 |
| 730 | Cognitive Science | 4 | 92 | 1283 | 1423 |
| 730 | Organometallic compounds | 3 | 92 | 1261 | 1072 |
| 730 | Environmental pollutants | 6 | 92 | 1511 | 2052 |
| 730 | mosses | 3 | 92 | 110 | 75 |
| 730 | liverworts | 3 | 92 | 110 | 75 |
| 730 | Semiconductor industry | 4 | 92 | 492 | 393 |
| 736 | intergroup relations | 4 | 91 | 153 | 210 |
| 736 | Executive Power | 2 | 91 | 129 | 35 |
| 738 | Industrial Microbiology | 3 | 90 | 1771 | 1831 |
| 738 | Consumer Protection | 2 | 90 | 234 | 177 |
| 738 | Marine resources | 2 | 90 | 789 | 606 |
| 738 | consumers | 2 | 90 | 461 | 340 |
| 742 | isomerism | 1 | 89 | 617 | 242 |
| 742 | power plants | 1 | 89 | 17 | 25 |
| 742 | Chirality | 1 | 89 | 617 | 242 |
| 745 | Systems Theory | 4 | 88 | 314 | 182 |
| 745 | Multicultural Education | 9 | 88 | 148 | 259 |
| 745 | Nationalism | 1 | 88 | 610 | 202 |
| 745 | Corporate Social Responsibility | 1 | 88 | 631 | 477 |
| 745 | environmental auditing | 1 | 88 | 652 | 480 |
| 745 | Mortgages | 7 | 88 | 100 | 177 |
| 745 | residential treatment | 5 | 88 | 101 | 122 |
| 752 | Jurisprudence | 5 | 87 | 677 | 667 |
| 753 | Social policy | 9 | 86 | 515 | 746 |
| 753 | mathematical analysis | 13 | 86 | 1323 | 1579 |
| 755 | Cytogenetics | 3 | 85 | 1122 | 1277 |
| 755 | Auditing | 6 | 85 | 235 | 391 |
| 757 | Urology | 1 | 84 | 1609 | 1170 |
| 757 | Environmental Sociology | 3 | 84 | 31 | 27 |
| 757 | ethnobiology | 4 | 84 | 158 | 302 |
| 757 | community organization | 4 | 84 | 60 | 57 |
| 761 | Neurobiology | 3 | 83 | 1315 | 1460 |
| 761 | Mycology | 1 | 83 | 1910 | 1325 |
| 761 | data collection | 4 | 83 | 879 | 1038 |
| 761 | Fungi | 1 | 83 | 1360 | 993 |
| 765 | Queer Studies | 3 | 82 | 268 | 292 |
| 765 | ethnic groups | 3 | 82 | 325 | 291 |
| 765 | student | 3 | 82 | 50 | 45 |
| 765 | forest policy | 6 | 82 | 207 | 314 |
| 769 | election law | 2 | 81 | 319 | 231 |
| 769 | Turbulence | 5 | 81 | 165 | 195 |
| 771 | terrorism | 3 | 80 | 279 | 195 |
| 771 | Political Participation | 1 | 80 | 561 | 309 |
| 771 | curriculum evaluation | 1 | 80 | 679 | 343 |
| 771 | Elections | 1 | 80 | 534 | 283 |
| 771 | Voting | 1 | 80 | 405 | 230 |
| 776 | Agroforestry | 1 | 79 | 104 | 28 |
| 776 | Telemedicine | 3 | 79 | 315 | 355 |
| 778 | Agricultural Chemistry | 2 | 78 | 2199 | 1963 |
| 778 | epilepsy | 2 | 78 | 996 | 805 |
| 778 | Metabolic diseases | 3 | 78 | 1640 | 1841 |
| 778 | pollutants | 5 | 78 | 1361 | 1947 |
| 778 | environmental exposure | 5 | 78 | 1419 | 1914 |
| 783 | Pediatric Nursing | 1 | 77 | 658 | 347 |
| 783 | Obstetric Nursing | 1 | 77 | 409 | 231 |
| 783 | Composite Materials | 8 | 77 | 1596 | 2377 |
| 786 | Medical genetics | 3 | 76 | 1696 | 2031 |
| 786 | Energy Consumption | 5 | 76 | 248 | 521 |
| 786 | Soil biology | 1 | 76 | 1210 | 1073 |
| 786 | role | 4 | 76 | 349 | 564 |
| 786 | Human biology | 3 | 76 | 610 | 519 |
| 791 | Sexuality | 4 | 75 | 226 | 227 |
| 792 | Inclusive Education | 2 | 74 | 231 | 183 |
| 792 | Food service management | 3 | 74 | 399 | 625 |
| 792 | Human Capital | 4 | 74 | 183 | 284 |
| 792 | children | 4 | 74 | 405 | 486 |
| 796 | Social Issues | 4 | 73 | 216 | 293 |
| 796 | Magnetic Resonance Spectroscopy | 5 | 73 | 840 | 863 |
| 796 | Earthquakes | 1 | 73 | 571 | 289 |
| 796 | Microwaves | 13 | 73 | 639 | 983 |
| 796 | Minerals | 1 | 73 | 1347 | 801 |
| 796 | adulthood | 2 | 73 | 144 | 94 |
| 802 | Visual Communication | 3 | 72 | 456 | 381 |
| 802 | Urban Anthropology | 2 | 72 | 236 | 166 |
| 804 | Music | 7 | 71 | 516 | 610 |
| 804 | Diabetes mellitus | 2 | 71 | 1774 | 1729 |
| 804 | disease vectors | 6 | 71 | 591 | 954 |
| 804 | Water chemistry | 2 | 71 | 474 | 312 |
| 804 | Detectors | 3 | 71 | 1416 | 1399 |
| 804 | Kidney diseases | 2 | 71 | 942 | 858 |
| 804 | Cancer | 6 | 71 | 1742 | 2493 |
| 811 | Forensic Psychiatry | 2 | 70 | 602 | 463 |
| 811 | Many-valued Logic | 5 | 70 | 1 | 3 |
| 811 | Electrophysiology | 4 | 70 | 775 | 804 |
| 814 | Oncology | 4 | 69 | 1521 | 2092 |
| 814 | Forensic Psychology | 2 | 69 | 467 | 340 |
| 814 | Psychoanalysis | 17 | 69 | 101 | 176 |
| 814 | Labor Supply | 3 | 69 | 59 | 104 |
| 814 | Insects | 4 | 69 | 1170 | 1156 |
| 819 | Building Materials | 4 | 68 | 1428 | 1826 |
| 819 | voice | 1 | 68 | 795 | 431 |
| 819 | Landslides | 3 | 68 | 232 | 391 |
| 822 | Urban Economics | 5 | 67 | 224 | 427 |
| 822 | Political Geography | 2 | 67 | 365 | 304 |
| 822 | Dietetics | 4 | 67 | 461 | 519 |
| 822 | environmental justice | 3 | 67 | 26 | 18 |
| 822 | wind erosion | 3 | 67 | 95 | 167 |
| 822 | cross-cultural comparison | 2 | 67 | 655 | 498 |
| 822 | plant molecular biology | 2 | 67 | 1503 | 1642 |
| 822 | Microscopy | 11 | 67 | 626 | 1131 |
| 830 | Health equity | 1 | 66 | 147 | 45 |
| 830 | Leadership | 7 | 66 | 266 | 685 |
| 830 | international trade | 5 | 66 | 508 | 639 |
| 830 | Chromosomes | 5 | 66 | 646 | 973 |
| 830 | Africa | 9 | 66 | 785 | 1051 |
| 830 | Pregnancy | 3 | 66 | 784 | 809 |
| 836 | Political Psychology | 3 | 65 | 350 | 450 |
| 836 | Calculus of Variations | 5 | 65 | 416 | 436 |
| 836 | Criminal behavior | 3 | 65 | 167 | 187 |
| 839 | Clinical Trials | 3 | 64 | 432 | 413 |
| 839 | Algebra | 5 | 64 | 1160 | 935 |
| 839 | Behavioral Genetics | 3 | 64 | 219 | 306 |
| 839 | Religion | 2 | 64 | 1019 | 445 |
| 839 | Public opinion | 1 | 64 | 672 | 471 |
| 839 | Ultrasonics | 1 | 64 | 1721 | 1478 |
| 839 | Ultrasonic Imaging | 1 | 64 | 836 | 560 |
| 839 | Integration | 1 | 64 | 354 | 204 |
| 839 | concrete | 1 | 64 | 1271 | 1145 |
| 839 | Cement | 1 | 64 | 842 | 809 |
| 839 | civil service | 5 | 64 | 256 | 378 |
| 839 | Heterocyclic compounds | 2 | 64 | 1164 | 731 |
| 839 | Ultrasound | 1 | 64 | 1058 | 768 |
| 852 | Material Culture | 2 | 63 | 164 | 93 |
| 852 | Host-parasite interactions | 3 | 63 | 1028 | 1358 |
| 852 | extraterrestrial environment | 4 | 63 | 472 | 519 |
| 852 | Brain damage | 3 | 63 | 362 | 456 |
| 852 | astronomical phenomena | 4 | 63 | 420 | 480 |
| 852 | Immunity | 3 | 63 | 1349 | 1753 |
| 858 | Divorce | 7 | 62 | 65 | 110 |
| 858 | micromechanics | 1 | 62 | 918 | 632 |
| 860 | Philosophy | 25 | 61 | 548 | 801 |
| 861 | Geriatric Psychiatry | 6 | 60 | 614 | 982 |
| 861 | Nutrition physiology | 2 | 60 | 831 | 818 |
| 861 | Terahertz Technology | 3 | 60 | 154 | 200 |
| 861 | women's rights | 3 | 60 | 130 | 161 |
| 861 | Hallucinogens | 6 | 60 | 88 | 220 |
| 861 | Antigens | 4 | 60 | 606 | 764 |
| 861 | coastal areas | 7 | 60 | 22 | 75 |
| 861 | Sedimentary rocks | 2 | 60 | 711 | 692 |
| 861 | coastal archaeology | 7 | 60 | 22 | 75 |
| 861 | islands | 7 | 60 | 22 | 75 |
| 871 | Histology | 4 | 59 | 1405 | 1748 |
| 871 | Inventory Control | 1 | 59 | 178 | 122 |
| 871 | health and race | 2 | 59 | 238 | 228 |
| 871 | Freezing | 6 | 59 | 165 | 235 |
| 871 | Molecules | 4 | 59 | 1280 | 1218 |
| 871 | Insect biochemistry | 2 | 59 | 542 | 574 |
| 877 | Cultural Studies | 1 | 58 | 331 | 147 |
| 877 | Electrocardiography | 3 | 58 | 328 | 264 |
| 877 | Religion and Culture | 1 | 58 | 550 | 269 |
| 877 | motivation | 2 | 58 | 430 | 422 |
| 877 | Emotion | 2 | 58 | 269 | 335 |
| 877 | Hospitality industry | 3 | 58 | 382 | 500 |
| 877 | Combinatorial analysis | 8 | 58 | 611 | 697 |
| 877 | Cerebellum | 1 | 58 | 502 | 361 |
| 877 | Cerebellar ataxia | 1 | 58 | 502 | 361 |
| 886 | Optoelectronics | 1 | 57 | 889 | 375 |
| 886 | disarmament | 2 | 57 | 195 | 171 |
| 888 | Malaria | 4 | 56 | 493 | 701 |
| 889 | Medical Ethics | 12 | 55 | 489 | 926 |
| 889 | DNA repair | 2 | 55 | 335 | 368 |
| 891 | Real-time Data Processing | 1 | 54 | 237 | 145 |
| 891 | Recycling | 2 | 54 | 762 | 1129 |
| 893 | Criminal Law | 5 | 53 | 195 | 263 |
| 893 | Sustainable agriculture | 2 | 53 | 865 | 840 |
| 893 | Action Research | 3 | 53 | 245 | 225 |
| 893 | Economic anthropology | 3 | 53 | 69 | 34 |
| 893 | ethanol | 1 | 53 | 783 | 550 |
| 898 | Soil Mechanics | 5 | 52 | 789 | 1108 |
| 898 | Quality Control | 2 | 52 | 1911 | 1899 |
| 898 | Total Quality Management | 3 | 52 | 530 | 715 |
| 898 | Reservoirs | 8 | 52 | 55 | 157 |
| 902 | Biochemical Engineering | 2 | 51 | 2884 | 3158 |
| 903 | Molecular Pharmacology | 2 | 50 | 857 | 1014 |
| 903 | Computer-Aided Design | 4 | 50 | 1006 | 1278 |
| 903 | Health care reform | 2 | 50 | 76 | 57 |
| 903 | Randomized Controlled Trials | 5 | 50 | 738 | 918 |
| 903 | chronic disease | 5 | 50 | 191 | 339 |
| 903 | masculinity | 2 | 50 | 112 | 170 |
| 909 | Adolescent Medicine | 3 | 49 | 498 | 814 |
| 909 | Hypertension | 1 | 49 | 1584 | 1507 |
| 909 | Symbolic interactionism | 2 | 49 | 151 | 143 |
| 909 | Hemodynamics | 1 | 49 | 770 | 785 |
| 909 | arms control | 1 | 49 | 171 | 53 |
| 909 | Community Colleges | 6 | 49 | 101 | 124 |
| 909 | multimedia | 2 | 49 | 611 | 708 |
| 909 | Interactive multimedia | 2 | 49 | 704 | 780 |
| 917 | History | 20 | 48 | 405 | 442 |
| 917 | Dynamics | 4 | 48 | 1384 | 1420 |
| 917 | Educational Technology | 7 | 48 | 1005 | 1773 |
| 917 | Multiphase Flow | 5 | 48 | 282 | 517 |
| 917 | Entropy | 7 | 48 | 699 | 1150 |
| 922 | Industrial Engineering | 8 | 47 | 1053 | 1909 |
| 922 | Manufacturing Processes | 7 | 47 | 1447 | 2160 |
| 922 | Pharmaceutical Technology | 1 | 47 | 1877 | 1667 |
| 922 | Identity | 1 | 47 | 287 | 251 |
| 922 | sadness | 3 | 47 | 228 | 268 |
| 922 | catalytic activity | 1 | 47 | 940 | 856 |
| 922 | Self | 1 | 47 | 375 | 299 |
| 922 | death | 3 | 47 | 326 | 321 |
| 922 | antisocial personality disorder | 3 | 47 | 228 | 268 |
| 931 | Production Engineering | 6 | 46 | 1327 | 1837 |
| 931 | Functional Genomics | 3 | 46 | 232 | 448 |
| 931 | paraphilias | 2 | 46 | 236 | 286 |
| 931 | genome | 3 | 46 | 1238 | 1714 |
| 931 | Marriage counseling | 2 | 46 | 379 | 435 |
| 936 | peace | 6 | 45 | 295 | 550 |
| 936 | Eurasia | 1 | 45 | 391 | 248 |
| 936 | minority groups | 6 | 45 | 47 | 80 |
| 936 | administrative agencies | 1 | 45 | 518 | 331 |
| 936 | crime victims | 2 | 45 | 209 | 192 |
| 941 | Educational Research | 1 | 44 | 219 | 120 |
| 941 | Dendrochronology | 2 | 44 | 44 | 34 |
| 941 | Chromosome mapping | 2 | 44 | 1718 | 1983 |
| 941 | regional security | 4 | 44 | 43 | 68 |
| 941 | East Asia | 3 | 44 | 638 | 584 |
| 941 | Tropical Medicine | 1 | 44 | 2218 | 1727 |
| 941 | gene mapping | 2 | 44 | 1835 | 2148 |
| 941 | regional cooperation | 4 | 44 | 43 | 68 |
| 941 | aerosol | 1 | 44 | 598 | 460 |
| 950 | Humanities | 8 | 43 | 1019 | 1566 |
| 950 | Pharmacognosy | 3 | 43 | 1688 | 2203 |
| 950 | Telecommunication Systems | 3 | 43 | 1559 | 1561 |
| 950 | Phonetics | 1 | 43 | 530 | 408 |
| 950 | Bioethics | 6 | 43 | 607 | 897 |
| 950 | Leukemia | 2 | 43 | 849 | 942 |
| 950 | International security | 1 | 43 | 350 | 373 |
| 950 | Learning strategies | 1 | 43 | 37 | 20 |
| 950 | disease outbreaks | 2 | 43 | 544 | 675 |
| 950 | Epidemics | 2 | 43 | 529 | 668 |
| 950 | conflict management | 1 | 43 | 424 | 386 |
| 961 | Higher Education | 2 | 42 | 750 | 705 |
| 961 | Dance | 10 | 42 | 108 | 156 |
| 961 | structural stability | 3 | 42 | 336 | 505 |
| 961 | Eating Disorders | 2 | 42 | 902 | 985 |
| 965 | Petroleum Engineering | 2 | 41 | 793 | 831 |
| 966 | Civil Engineering | 6 | 40 | 993 | 1288 |
| 966 | Social Movements | 2 | 40 | 199 | 175 |
| 966 | Neonatology | 2 | 40 | 720 | 773 |
| 966 | Genetic disorders | 1 | 40 | 622 | 586 |
| 966 | Collective behavior | 2 | 40 | 113 | 159 |
| 966 | scientific societies | 1 | 40 | 1148 | 958 |
| 972 | Counseling Psychology | 1 | 39 | 410 | 374 |
| 972 | Organometallic chemistry | 2 | 39 | 2178 | 2100 |
| 974 | Geriatric Nursing | 3 | 38 | 519 | 530 |
| 974 | Engineering Economics | 1 | 38 | 192 | 80 |
| 974 | Restoration Ecology | 3 | 38 | 399 | 568 |
| 974 | emergency management | 2 | 38 | 808 | 936 |
| 974 | Oxidative stress | 1 | 38 | 1256 | 1457 |
| 974 | Fire ecology | 3 | 38 | 61 | 171 |
| 974 | Cell survival | 1 | 38 | 448 | 429 |
| 974 | radioactive waste | 1 | 38 | 1291 | 1546 |
| 974 | industrial waste | 1 | 38 | 1335 | 1547 |
| 974 | Hazardous waste | 1 | 38 | 1475 | 1613 |
| 974 | molecular chaperones | 1 | 38 | 506 | 430 |
| 985 | Functional Analysis | 5 | 37 | 1082 | 1338 |
| 985 | Experimental Psychology | 2 | 37 | 678 | 709 |
| 985 | Psychopharmacology | 1 | 37 | 1705 | 1567 |
| 985 | nuclear magnetic resonance spectroscopy | 3 | 37 | 702 | 761 |
| 985 | Nervous system | 4 | 37 | 1761 | 2518 |
| 985 | NMR | 3 | 37 | 546 | 593 |
| 985 | magnetic resonance | 3 | 37 | 556 | 601 |
| 992 | Biomass Energy | 1 | 36 | 2864 | 2790 |
| 992 | Depression | 1 | 36 | 560 | 659 |
| 992 | nuclear magnetic resonance | 2 | 36 | 1006 | 952 |
| 992 | Organic Geochemistry | 1 | 36 | 535 | 602 |
| 992 | Anxiety Disorders | 1 | 36 | 728 | 842 |
| 992 | Anxiety | 1 | 36 | 732 | 838 |
| 992 | Outdoor recreation | 1 | 36 | 188 | 157 |
| 992 | atmosphere | 1 | 36 | 1132 | 1087 |
| 992 | Biomass | 1 | 36 | 1169 | 1191 |