| 1 | Urology | 1,183 | 27.7K | 8 | 35 |
| 2 | Meteorology | 234 | 16.6K | 184 | 131 |
| 3 | Biology | 216 | 16.1K | 1399 | 1431 |
| 4 | Physics | 280 | 14.2K | 1348 | 1691 |
| 5 | Science | 223 | 13.9K | 1429 | 1640 |
| 6 | Neurology | 96 | 9.3K | 1378 | 913 |
| 7 | Psychiatry | 239 | 9.3K | 391 | 478 |
| 8 | Climatology | 53 | 8.9K | 389 | 147 |
| 9 | Ecology | 90 | 8.2K | 1362 | 900 |
| 10 | Natural history | 106 | 7.8K | 580 | 1423 |
| 11 | Child Development | 33 | 7.4K | 595 | 142 |
| 12 | Mental Disorders | 156 | 6.7K | 294 | 360 |
| 13 | Child | 38 | 6.6K | 725 | 105 |
| 14 | Developmental Disabilities | 27 | 6.3K | 284 | 55 |
| 15 | Public Health | 156 | 6.0K | 681 | 666 |
| 16 | Environment | 42 | 5.2K | 1568 | 1009 |
| 17 | Behavior | 45 | 5.2K | 857 | 422 |
| 18 | Psychology | 101 | 5.1K | 842 | 616 |
| 19 | United States | 389 | 4.9K | 272 | 543 |
| 20 | Psychophysiology | 67 | 4.8K | 686 | 468 |
| 21 | Environmental Health | 35 | 4.6K | 1913 | 851 |
| 22 | human behavior | 31 | 4.6K | 757 | 346 |
| 23 | Health Policy | 96 | 4.4K | 256 | 157 |
| 24 | environmental protection | 9 | 3.8K | 2537 | 350 |
| 25 | Medicine | 120 | 3.7K | 2353 | 2771 |
| 26 | management | 53 | 3.7K | 766 | 556 |
| 27 | Chemistry | 85 | 3.6K | 2741 | 2683 |
| 28 | Health Services Administration | 62 | 3.5K | 95 | 52 |
| 29 | Immunology | 24 | 3.5K | 1926 | 1059 |
| 30 | Environmental Chemistry | 12 | 3.2K | 1171 | 354 |
| 31 | Chemical Engineering | 11 | 3.2K | 3122 | 1017 |
| 32 | Energy Conversion | 8 | 3.2K | 845 | 285 |
| 33 | Nervous system | 16 | 3.0K | 1350 | 525 |
| 34 | Autism | 30 | 2.9K | 149 | 63 |
| 35 | Polymers | 71 | 2.7K | 1204 | 984 |
| 36 | Materials | 84 | 2.6K | 1582 | 1600 |
| 37 | Molecular Biology | 53 | 2.6K | 2940 | 2794 |
| 38 | Mental illness | 81 | 2.5K | 284 | 502 |
| 39 | Operations Research | 10 | 2.4K | 1465 | 294 |
| 40 | Animal Behavior | 19 | 2.4K | 847 | 431 |
| 41 | Pharmacology | 49 | 2.3K | 1836 | 1440 |
| 42 | Alzheimer's disease | 180 | 2.2K | 120 | 204 |
| 43 | Dementia | 173 | 2.1K | 114 | 178 |
| 44 | Economics | 52 | 2.0K | 1243 | 814 |
| 45 | Oceanography | 42 | 1.9K | 541 | 473 |
| 46 | Nanotechnology | 37 | 1.9K | 1897 | 1648 |
| 47 | Ethology | 12 | 1.8K | 872 | 428 |
| 48 | Solid State Physics | 50 | 1.8K | 1366 | 1123 |
| 49 | Immunity | 5 | 1.8K | 1994 | 1004 |
| 50 | Immune system | 4 | 1.8K | 1174 | 523 |
| 51 | Condensed Matter | 46 | 1.8K | 1326 | 1102 |
| 52 | Psychopharmacology | 46 | 1.7K | 400 | 502 |
| 52 | Business | 31 | 1.7K | 610 | 523 |
| 54 | Marine Meteorology | 27 | 1.7K | 114 | 91 |
| 55 | Microbiology | 25 | 1.7K | 3365 | 2671 |
| 56 | Engineering | 114 | 1.7K | 424 | 559 |
| 57 | Cancer | 12 | 1.7K | 2585 | 1429 |
| 58 | Nutrition | 19 | 1.6K | 2326 | 1329 |
| 59 | Optics | 173 | 1.5K | 586 | 1031 |
| 60 | Research | 87 | 1.5K | 2299 | 3362 |
| 61 | Mathematics | 57 | 1.5K | 1955 | 1235 |
| 62 | Diet | 8 | 1.5K | 1714 | 721 |
| 63 | Pharmaceutical Chemistry | 16 | 1.4K | 2303 | 1327 |
| 64 | Pollution | 25 | 1.4K | 2498 | 2245 |
| 65 | Food | 3 | 1.4K | 3879 | 775 |
| 66 | personality | 14 | 1.4K | 700 | 455 |
| 67 | Hematology | 55 | 1.4K | 1276 | 1284 |
| 68 | Endocrinology | 14 | 1.3K | 2014 | 1377 |
| 69 | Oncology | 6 | 1.3K | 2098 | 1316 |
| 70 | Hydrometeorology | 13 | 1.3K | 81 | 59 |
| 71 | Soft Condensed Matter | 27 | 1.3K | 339 | 235 |
| 71 | Colloids | 27 | 1.3K | 1539 | 1330 |
| 71 | biopolymers | 27 | 1.3K | 347 | 250 |
| 74 | Toxicology | 27 | 1.3K | 2068 | 1665 |
| 75 | Spectrum analysis | 29 | 1.2K | 1953 | 1615 |
| 76 | blood transfusion | 32 | 1.2K | 195 | 130 |
| 77 | Neonatology | 6 | 1.2K | 478 | 68 |
| 78 | Biochemistry | 29 | 1.1K | 4581 | 4119 |
| 79 | Transportation | 69 | 1.1K | 255 | 420 |
| 80 | Nuclear Physics | 23 | 1.1K | 2327 | 1705 |
| 81 | Australia | 62 | 1.1K | 235 | 271 |
| 82 | Statistics | 30 | 1.1K | 1002 | 660 |
| 83 | Brain | 17 | 1.1K | 1535 | 1135 |
| 84 | Geriatrics | 36 | 1.0K | 996 | 912 |
| 85 | Botany | 42 | 1.0K | 1382 | 1703 |
| 86 | Freeze-Drying | 28 | 980 | 69 | 32 |
| 86 | Hypothermia | 28 | 980 | 69 | 32 |
| 86 | Freeze Drying | 28 | 980 | 69 | 32 |
| 89 | Eating Disorders | 32 | 978 | 200 | 221 |
| 90 | biological evolution | 14 | 970 | 1145 | 1013 |
| 91 | Social Psychology | 31 | 966 | 649 | 736 |
| 92 | Education | 81 | 964 | 644 | 819 |
| 93 | Epidemiology | 37 | 953 | 1278 | 1465 |
| 94 | Soil Mechanics | 28 | 947 | 328 | 334 |
| 95 | Astrophysics | 25 | 912 | 1718 | 1637 |
| 96 | Feeding and Eating Disorders | 30 | 909 | 196 | 230 |
| 97 | Transplantation | 9 | 902 | 957 | 591 |
| 98 | Neurophysiology | 26 | 886 | 1331 | 1550 |
| 99 | Physiology | 28 | 872 | 1876 | 1996 |
| 100 | Earth Sciences | 16 | 859 | 1757 | 1192 |
| 101 | environmental pollution | 14 | 827 | 2693 | 2138 |
| 102 | Adolescent | 24 | 824 | 767 | 628 |
| 103 | Molecules | 1 | 809 | 2644 | 455 |
| 104 | Clinical Psychology | 28 | 778 | 491 | 731 |
| 105 | Production Management | 4 | 776 | 1038 | 520 |
| 106 | Aging | 32 | 772 | 1022 | 1175 |
| 107 | Fluid Mechanics | 42 | 769 | 411 | 496 |
| 108 | Family | 29 | 767 | 222 | 233 |
| 109 | Marine Biology | 18 | 761 | 1307 | 1082 |
| 110 | Environmental Engineering | 18 | 747 | 1856 | 1712 |
| 111 | Composite Materials | 36 | 732 | 823 | 1244 |
| 112 | Pathology | 10 | 729 | 1777 | 1263 |
| 113 | Learning disabilities | 35 | 720 | 156 | 196 |
| 114 | Fisheries | 33 | 716 | 480 | 595 |
| 115 | Criminal psychology | 24 | 715 | 223 | 217 |
| 116 | counseling | 39 | 714 | 291 | 400 |
| 117 | optical instruments | 16 | 703 | 151 | 113 |
| 118 | Metals | 31 | 691 | 734 | 859 |
| 119 | Personality Disorders | 8 | 686 | 145 | 83 |
| 120 | Cognition | 10 | 679 | 1085 | 748 |
| 121 | Tourism | 20 | 662 | 548 | 656 |
| 122 | Materials Science | 45 | 661 | 1588 | 2385 |
| 123 | Social behavior | 19 | 659 | 421 | 469 |
| 124 | marketing | 13 | 656 | 975 | 767 |
| 125 | Wildlife conservation | 19 | 652 | 458 | 615 |
| 126 | Child psychology | 19 | 643 | 648 | 773 |
| 127 | Family Therapy | 26 | 618 | 174 | 170 |
| 128 | Marine mammals | 19 | 616 | 73 | 72 |
| 129 | Health Education | 36 | 613 | 495 | 641 |
| 129 | Marriage | 24 | 613 | 101 | 109 |
| 131 | Biophysics | 26 | 611 | 2914 | 3192 |
| 131 | Evolution | 9 | 611 | 1339 | 1070 |
| 133 | Marriage counseling | 23 | 606 | 53 | 75 |
| 134 | Environmental Policy | 20 | 605 | 1330 | 1841 |
| 134 | Mental Health Services | 33 | 605 | 296 | 382 |
| 136 | Geology | 28 | 603 | 1286 | 1363 |
| 136 | Community Psychiatry | 18 | 603 | 364 | 389 |
| 138 | Biogeography | 4 | 600 | 1007 | 641 |
| 139 | Intellectual disability | 14 | 598 | 378 | 279 |
| 140 | Water pollution | 13 | 595 | 1583 | 1478 |
| 141 | ecosystem | 2 | 593 | 1940 | 742 |
| 142 | Anthropology | 14 | 592 | 870 | 451 |
| 142 | Geriatric Psychiatry | 17 | 592 | 458 | 425 |
| 144 | Neuropsychology | 17 | 591 | 1175 | 1130 |
| 145 | Biodiversity conservation | 17 | 590 | 793 | 1253 |
| 146 | Metallurgy | 29 | 585 | 865 | 961 |
| 147 | drug therapy | 25 | 580 | 1026 | 1262 |
| 148 | Zoology | 36 | 578 | 842 | 967 |
| 149 | Roads | 60 | 569 | 124 | 206 |
| 150 | Data Mining | 2 | 563 | 2629 | 714 |
| 150 | data collection | 2 | 563 | 1801 | 500 |
| 152 | polymerization | 33 | 557 | 1594 | 1896 |
| 153 | Chemotherapy | 22 | 556 | 557 | 649 |
| 154 | Electronics | 33 | 553 | 1293 | 1318 |
| 155 | Medical Oncology | 9 | 552 | 1650 | 1126 |
| 155 | Agricultural Ecology | 5 | 552 | 1003 | 602 |
| 155 | commerce | 4 | 552 | 1617 | 597 |
| 158 | Radiobiology | 9 | 551 | 1434 | 843 |
| 159 | Forensic Psychiatry | 17 | 547 | 182 | 121 |
| 160 | Health Services Research | 22 | 546 | 606 | 651 |
| 161 | sexual behavior | 6 | 541 | 513 | 220 |
| 162 | Control Theory | 33 | 536 | 446 | 518 |
| 163 | Geophysics | 30 | 533 | 1571 | 1970 |
| 164 | Developmental Psychology | 10 | 528 | 624 | 539 |
| 165 | Pediatrics | 17 | 521 | 1455 | 1705 |
| 165 | Water | 11 | 521 | 1561 | 1586 |
| 167 | Social Sciences | 31 | 515 | 1116 | 1060 |
| 168 | Civil Engineering | 114 | 514 | 71 | 244 |
| 169 | Economic History | 27 | 512 | 1335 | 1167 |
| 170 | United Kingdom | 4 | 501 | 1848 | 932 |
| 171 | Statistical Mechanics | 25 | 499 | 337 | 271 |
| 171 | Magnetohydrodynamics | 25 | 499 | 105 | 121 |
| 173 | Engineering Geology | 12 | 483 | 757 | 649 |
| 174 | consumer behavior | 8 | 481 | 270 | 211 |
| 175 | Neurobiology | 14 | 469 | 1108 | 1387 |
| 176 | Agriculture | 21 | 468 | 908 | 1057 |
| 177 | Nuclear Fusion | 22 | 466 | 258 | 249 |
| 178 | Primary health care | 21 | 465 | 642 | 695 |
| 179 | Ergonomics | 53 | 461 | 167 | 338 |
| 179 | Rock Mechanics | 15 | 461 | 370 | 401 |
| 181 | Social work | 24 | 459 | 453 | 416 |
| 182 | Marine Pollution | 6 | 451 | 974 | 654 |
| 183 | Geotechnical Engineering | 12 | 445 | 210 | 165 |
| 184 | Mechanical Engineering | 31 | 443 | 779 | 786 |
| 185 | Computer Graphics | 14 | 435 | 792 | 711 |
| 186 | Conservation Biology | 15 | 434 | 504 | 657 |
| 186 | Ferroelectricity | 5 | 434 | 853 | 176 |
| 188 | Substance Abuse | 26 | 433 | 494 | 699 |
| 189 | Sociology | 17 | 425 | 1394 | 1441 |
| 190 | Electrochemistry | 15 | 421 | 2319 | 2026 |
| 191 | Occupational Therapy | 23 | 418 | 284 | 209 |
| 191 | Naval Architecture | 5 | 418 | 259 | 70 |
| 193 | Hydrodynamics | 4 | 417 | 574 | 275 |
| 193 | Perception | 19 | 417 | 936 | 1164 |
| 195 | crime | 10 | 415 | 377 | 223 |
| 196 | Criminology | 12 | 408 | 503 | 346 |
| 197 | Astrocytes | 2 | 407 | 734 | 369 |
| 198 | weather forecasting | 22 | 405 | 46 | 83 |
| 199 | finance | 17 | 401 | 1051 | 995 |
| 200 | International Finance | 7 | 400 | 1177 | 722 |
| 201 | Engineering Mathematics | 13 | 398 | 1369 | 775 |
| 201 | Microbial Ecology | 6 | 398 | 2060 | 1894 |
| 203 | Psychiatric Epidemiology | 13 | 397 | 186 | 273 |
| 204 | Schizophrenia | 18 | 396 | 509 | 745 |
| 205 | Mental Health | 40 | 395 | 332 | 679 |
| 206 | Medical genetics | 9 | 392 | 2318 | 2518 |
| 207 | Reproduction | 14 | 379 | 1413 | 1387 |
| 208 | older people | 12 | 375 | 946 | 563 |
| 208 | psychotherapy | 21 | 375 | 526 | 797 |
| 210 | Information Science | 10 | 364 | 1559 | 1344 |
| 211 | Sustainable Development | 5 | 359 | 1895 | 1216 |
| 212 | Biodiversity | 10 | 354 | 1464 | 1457 |
| 213 | Environmental Management | 10 | 352 | 1879 | 2178 |
| 214 | Medical Physics | 15 | 351 | 963 | 989 |
| 215 | radioactive waste | 1 | 348 | 1615 | 582 |
| 215 | industrial waste | 1 | 348 | 1666 | 582 |
| 215 | Hazardous waste | 1 | 348 | 1861 | 619 |
| 218 | Genetics | 10 | 347 | 3044 | 3519 |
| 219 | Molecular Genetics | 8 | 344 | 1573 | 1505 |
| 220 | Biocompatible Materials | 7 | 342 | 3107 | 3060 |
| 221 | Planets | 8 | 340 | 1269 | 1285 |
| 222 | Regional Planning | 17 | 339 | 674 | 753 |
| 223 | Energy Policy | 6 | 337 | 2164 | 1992 |
| 224 | Health | 28 | 333 | 731 | 1370 |
| 225 | Forensic Psychology | 10 | 331 | 170 | 111 |
| 226 | energy resources | 4 | 325 | 1339 | 1217 |
| 227 | brain mapping | 6 | 323 | 584 | 572 |
| 228 | toxicity testing | 4 | 322 | 740 | 351 |
| 229 | Computer-Aided Design | 12 | 320 | 550 | 541 |
| 230 | locomotion | 1 | 314 | 1407 | 368 |
| 230 | posture | 1 | 314 | 1407 | 368 |
| 230 | gait | 1 | 314 | 1407 | 368 |
| 230 | walking | 1 | 314 | 1407 | 368 |
| 234 | Mineralogy | 11 | 311 | 844 | 802 |
| 234 | nuclear magnetic resonance | 5 | 311 | 1091 | 620 |
| 234 | Nanostructures | 3 | 311 | 2663 | 1532 |
| 234 | Magnetic Resonance Spectroscopy | 5 | 311 | 1224 | 631 |
| 238 | Cell Biology | 10 | 310 | 3185 | 3894 |
| 239 | air | 15 | 309 | 58 | 143 |
| 239 | Climate | 15 | 309 | 176 | 354 |
| 241 | Photography | 129 | 308 | 171 | 252 |
| 242 | Cytology | 10 | 307 | 3367 | 3935 |
| 242 | violence | 8 | 307 | 611 | 525 |
| 244 | Sleep Disorders | 11 | 306 | 1153 | 1084 |
| 245 | Nuclear Engineering | 34 | 305 | 369 | 445 |
| 245 | population trends | 2 | 305 | 119 | 90 |
| 245 | Demographic research | 2 | 305 | 193 | 114 |
| 248 | Plant diseases | 5 | 303 | 1865 | 1110 |
| 249 | Sports | 44 | 301 | 516 | 1084 |
| 250 | Fracture mechanics | 20 | 300 | 561 | 763 |
| 251 | Europe | 17 | 297 | 1660 | 1789 |
| 252 | Pediatric Neurology | 6 | 291 | 955 | 1258 |
| 252 | Health promotion | 17 | 291 | 639 | 958 |
| 254 | Fluid Dynamics | 7 | 290 | 884 | 611 |
| 255 | Transport | 10 | 289 | 306 | 404 |
| 255 | Sea | 10 | 289 | 264 | 324 |
| 255 | Fishery resources | 10 | 289 | 301 | 348 |
| 255 | health services | 19 | 289 | 366 | 545 |
| 259 | Wildlife management | 21 | 287 | 195 | 256 |
| 260 | Brain damage | 6 | 284 | 321 | 241 |
| 261 | Public Administration | 27 | 283 | 409 | 606 |
| 262 | Emergency Medicine | 6 | 281 | 1509 | 862 |
| 263 | Structural Engineering | 23 | 277 | 603 | 865 |
| 264 | Metabolism | 4 | 276 | 3208 | 2651 |
| 264 | Biomass Energy | 5 | 276 | 2316 | 2009 |
| 264 | plant molecular biology | 4 | 276 | 1541 | 1491 |
| 267 | Chronobiology | 4 | 273 | 378 | 186 |
| 267 | Circadian rhythms | 4 | 273 | 252 | 165 |
| 267 | biological clocks | 4 | 273 | 378 | 186 |
| 267 | circadian rhythm | 4 | 273 | 378 | 186 |
| 267 | biological rhythms | 4 | 273 | 350 | 181 |
| 267 | fusion reactors | 11 | 273 | 263 | 166 |
| 267 | Cerebral cortex | 8 | 273 | 690 | 839 |
| 274 | sanitation | 5 | 272 | 1492 | 1672 |
| 275 | preventive medicine | 11 | 271 | 789 | 1061 |
| 276 | Analytical Chemistry | 13 | 270 | 2925 | 3292 |
| 276 | Microbial Genetics | 3 | 270 | 421 | 246 |
| 276 | phytopathogenic bacteria | 3 | 270 | 290 | 234 |
| 279 | Geochemistry | 9 | 268 | 1480 | 1563 |
| 280 | Sleep | 11 | 266 | 1146 | 1185 |
| 281 | Hydrology | 12 | 263 | 1513 | 1650 |
| 281 | mammals | 11 | 263 | 563 | 583 |
| 283 | machinery | 4 | 262 | 758 | 308 |
| 283 | Hippocampus | 6 | 262 | 221 | 277 |
| 285 | Statistical physics | 6 | 259 | 3214 | 2333 |
| 286 | Econometrics | 4 | 258 | 1374 | 761 |
| 286 | Social perception | 2 | 258 | 172 | 76 |
| 288 | city planning | 13 | 255 | 797 | 871 |
| 289 | Molecular evolution | 5 | 254 | 1658 | 1409 |
| 289 | rehabilitation | 15 | 254 | 1130 | 1571 |
| 291 | pain | 8 | 251 | 1086 | 1233 |
| 292 | Restoration Ecology | 6 | 247 | 306 | 259 |
| 292 | Diagnostic microbiology | 2 | 247 | 2059 | 1616 |
| 294 | Electrical Engineering | 39 | 245 | 1131 | 1437 |
| 294 | Neuropsychiatry | 11 | 245 | 516 | 665 |
| 294 | mass transfer | 7 | 245 | 1259 | 1148 |
| 294 | health planning | 10 | 245 | 1309 | 1188 |
| 298 | Renewable Energy Sources | 4 | 244 | 2696 | 2644 |
| 299 | natural history museums | 4 | 242 | 76 | 12 |
| 300 | health behavior | 4 | 238 | 1049 | 680 |
| 300 | medical education | 10 | 238 | 1248 | 1158 |
| 302 | nanoscience | 4 | 236 | 3033 | 2525 |
| 303 | economic policy | 12 | 235 | 1466 | 1163 |
| 304 | Building Materials | 4 | 234 | 1651 | 1451 |
| 305 | Bibliometrics | 3 | 232 | 149 | 71 |
| 306 | Population Genetics | 8 | 231 | 889 | 1151 |
| 307 | Philosophy | 10 | 226 | 1117 | 501 |
| 307 | Public Policy | 19 | 226 | 640 | 1250 |
| 309 | Well-being | 1 | 224 | 338 | 47 |
| 309 | Therapeutics | 9 | 224 | 1332 | 1756 |
| 311 | Paleontology | 12 | 223 | 783 | 809 |
| 312 | Virology | 2 | 222 | 4544 | 3601 |
| 312 | Enteral nutrition | 1 | 222 | 1931 | 845 |
| 312 | Parenteral nutrition | 1 | 222 | 2252 | 1026 |
| 315 | alcoholism | 11 | 221 | 924 | 1218 |
| 316 | Chromatographic analysis | 10 | 220 | 1211 | 1148 |
| 317 | Climate change | 4 | 219 | 1090 | 1563 |
| 317 | Eutrophication | 4 | 219 | 1055 | 1543 |
| 317 | Bipolar Disorder | 11 | 219 | 197 | 351 |
| 317 | industrial relations | 9 | 219 | 491 | 398 |
| 321 | Speech Disorders | 7 | 216 | 790 | 726 |
| 321 | Investment analysis | 11 | 216 | 276 | 448 |
| 321 | Social policy | 9 | 216 | 597 | 492 |
| 324 | Randomized Controlled Trials | 6 | 215 | 1044 | 623 |
| 325 | Child welfare | 10 | 214 | 593 | 661 |
| 326 | Obstetrics | 12 | 213 | 1780 | 2062 |
| 327 | Solar Energy | 7 | 212 | 1276 | 1458 |
| 328 | Medical Microbiology | 9 | 210 | 1811 | 2535 |
| 328 | Medical Anthropology | 5 | 210 | 1201 | 1325 |
| 330 | Vocational guidance | 11 | 207 | 430 | 642 |
| 331 | impact | 5 | 206 | 273 | 282 |
| 332 | Fishery management | 14 | 205 | 383 | 525 |
| 333 | Molecular ecology | 5 | 204 | 1023 | 1248 |
| 334 | Special Education | 10 | 203 | 417 | 366 |
| 335 | Depression | 5 | 202 | 287 | 471 |
| 335 | Anxiety Disorders | 5 | 202 | 455 | 648 |
| 335 | Anxiety | 5 | 202 | 456 | 653 |
| 338 | Membranes | 1 | 201 | 3114 | 1764 |
| 339 | Archaeology | 10 | 200 | 848 | 815 |
| 339 | Astronomy | 12 | 200 | 1962 | 2488 |
| 341 | genome | 3 | 199 | 2124 | 1991 |
| 342 | Educational Psychology | 7 | 198 | 1016 | 1000 |
| 343 | Sports Medicine | 48 | 196 | 645 | 1775 |
| 343 | Asia | 21 | 196 | 994 | 1425 |
| 345 | Hydraulic machinery | 2 | 195 | 196 | 15 |
| 346 | Biotechnology | 14 | 194 | 3962 | 5920 |
| 346 | Histology | 5 | 194 | 1856 | 1753 |
| 348 | Aggression | 3 | 193 | 514 | 385 |
| 349 | Ore deposits | 2 | 189 | 713 | 398 |
| 350 | Communication | 12 | 188 | 1117 | 1241 |
| 351 | Leadership | 2 | 187 | 709 | 467 |
| 351 | Auditing | 3 | 187 | 414 | 266 |
| 353 | Law | 15 | 186 | 717 | 426 |
| 353 | Histochemistry | 2 | 186 | 1691 | 828 |
| 355 | Artificial Intelligence | 8 | 185 | 2824 | 2726 |
| 355 | Palliative Care | 9 | 185 | 587 | 602 |
| 357 | Animal ecology | 14 | 184 | 596 | 942 |
| 358 | Sales management | 1 | 183 | 404 | 301 |
| 358 | selling | 1 | 183 | 404 | 301 |
| 360 | Environmental monitoring | 7 | 182 | 3225 | 3896 |
| 361 | Adolescent Medicine | 2 | 181 | 1003 | 924 |
| 361 | Attention | 18 | 181 | 892 | 1745 |
| 363 | natural disasters | 6 | 180 | 977 | 1028 |
| 364 | Visual Perception | 18 | 179 | 861 | 1711 |
| 365 | Building | 14 | 178 | 277 | 280 |
| 366 | Chromatography | 9 | 177 | 1100 | 1209 |
| 367 | infection | 9 | 176 | 1216 | 1751 |
| 367 | Memory | 17 | 176 | 977 | 1903 |
| 369 | Community Psychology | 5 | 175 | 484 | 507 |
| 369 | fertility | 8 | 175 | 960 | 1221 |
| 371 | Biomedical Engineering | 13 | 174 | 3182 | 4506 |
| 371 | Birds | 18 | 174 | 531 | 744 |
| 373 | Reading | 10 | 173 | 286 | 375 |
| 374 | Research Design | 4 | 171 | 1366 | 1092 |
| 375 | Diagnostic Imaging | 4 | 170 | 2323 | 1767 |
| 376 | Meteorites | 3 | 169 | 1096 | 1088 |
| 377 | Clinical Chemistry | 5 | 168 | 3095 | 3060 |
| 377 | Neuroendocrinology | 1 | 168 | 348 | 235 |
| 379 | Physical Therapy | 5 | 167 | 1287 | 1331 |
| 380 | hazard mitigation | 5 | 165 | 751 | 716 |
| 380 | Entomology | 13 | 165 | 1428 | 1602 |
| 382 | Bioengineering | 12 | 163 | 2874 | 4730 |
| 383 | Soil ecology | 1 | 162 | 1432 | 791 |
| 384 | cross-cultural comparison | 4 | 160 | 506 | 302 |
| 385 | Biochemical Engineering | 10 | 158 | 2213 | 4129 |
| 385 | Plastics | 5 | 158 | 1574 | 1233 |
| 387 | Obesity | 10 | 155 | 1458 | 2372 |
| 388 | Molecular Imaging | 3 | 154 | 888 | 820 |
| 388 | biological invasions | 3 | 154 | 749 | 577 |
| 390 | Nursing | 10 | 153 | 1168 | 1227 |
| 391 | Radiation | 9 | 151 | 1569 | 1723 |
| 392 | Semiconductors | 7 | 150 | 1648 | 1442 |
| 392 | Human evolution | 3 | 150 | 498 | 476 |
| 392 | Learning | 6 | 150 | 1108 | 1213 |
| 395 | Ornithology | 14 | 149 | 485 | 664 |
| 396 | Entrepreneurship | 4 | 148 | 974 | 1011 |
| 396 | Aquatic ecology | 6 | 148 | 796 | 817 |
| 398 | Smart Materials | 5 | 147 | 780 | 679 |
| 398 | Technology | 38 | 147 | 1281 | 3613 |
| 400 | families | 3 | 146 | 1009 | 567 |
| 401 | Cell differentiation | 3 | 145 | 2223 | 2350 |
| 402 | Ethics | 5 | 144 | 869 | 598 |
| 402 | Herpetology | 4 | 144 | 329 | 141 |
| 402 | Gene expression regulation | 2 | 144 | 1618 | 1147 |
| 402 | DNA methylation | 2 | 144 | 466 | 353 |
| 402 | Reptiles | 4 | 144 | 314 | 126 |
| 402 | Exercise | 4 | 144 | 1379 | 990 |
| 408 | behavioral medicine | 6 | 143 | 1103 | 1584 |
| 408 | Amphibians | 3 | 143 | 348 | 88 |
| 410 | Advertising | 8 | 142 | 180 | 362 |
| 411 | Ecosystem management | 5 | 141 | 584 | 660 |
| 412 | Phylogeny | 3 | 140 | 1071 | 1072 |
| 412 | Birth control | 7 | 140 | 283 | 433 |
| 414 | Jurisprudence | 10 | 137 | 568 | 674 |
| 415 | Gerontology | 9 | 136 | 1417 | 1599 |
| 415 | drug addiction | 9 | 136 | 792 | 1271 |
| 415 | Developing countries | 23 | 136 | 781 | 2134 |
| 418 | Green Chemistry | 3 | 135 | 1935 | 2046 |
| 418 | individual differences | 1 | 135 | 528 | 287 |
| 420 | Cheminformatics | 2 | 134 | 543 | 470 |
| 421 | Systems Engineering | 32 | 132 | 487 | 1493 |
| 421 | public works | 4 | 132 | 91 | 57 |
| 423 | Natural resources | 2 | 131 | 1096 | 804 |
| 423 | Religion | 6 | 131 | 856 | 286 |
| 423 | language | 3 | 131 | 897 | 704 |
| 426 | Psychiatric hospitals | 3 | 129 | 412 | 296 |
| 427 | East Asia | 1 | 128 | 1368 | 260 |
| 428 | Language Acquisition | 7 | 127 | 259 | 340 |
| 429 | Speech | 2 | 125 | 1277 | 888 |
| 429 | Emotions | 2 | 125 | 801 | 695 |
| 431 | Sociobiology | 1 | 124 | 578 | 187 |
| 432 | Humanities | 2 | 123 | 2832 | 878 |
| 432 | Freshwater invertebrates | 5 | 123 | 174 | 273 |
| 432 | Reproductive health | 5 | 123 | 696 | 776 |
| 432 | Radioisotopes | 6 | 123 | 1059 | 875 |
| 432 | Consciousness | 2 | 123 | 677 | 426 |
| 432 | Investments | 12 | 123 | 173 | 326 |
| 432 | Pregnancy | 6 | 123 | 686 | 821 |
| 439 | Psycholinguistics | 1 | 122 | 1743 | 984 |
| 439 | Neurolinguistics | 1 | 122 | 869 | 524 |
| 439 | Educational Technology | 4 | 122 | 1500 | 1263 |
| 439 | Quality of life | 7 | 122 | 1146 | 1815 |
| 439 | Literacy | 5 | 122 | 222 | 168 |
| 444 | environmental indicators | 3 | 121 | 1345 | 1395 |
| 444 | Venture Capital | 3 | 121 | 297 | 501 |
| 446 | child abuse | 8 | 120 | 540 | 970 |
| 447 | Ceramics | 8 | 118 | 1101 | 1342 |
| 447 | Glass | 7 | 118 | 877 | 1192 |
| 447 | cell physiology | 6 | 118 | 1411 | 2176 |
| 447 | pottery | 7 | 118 | 842 | 1167 |
| 451 | Genomics | 5 | 117 | 3404 | 4035 |
| 451 | Educational Anthropology | 1 | 117 | 243 | 60 |
| 451 | Forest Management | 10 | 117 | 591 | 1148 |
| 454 | Nuclear Medicine | 2 | 116 | 1677 | 1155 |
| 455 | Anatomy | 4 | 115 | 2219 | 2230 |
| 456 | Travel | 7 | 114 | 597 | 711 |
| 456 | Teaching | 11 | 114 | 956 | 1363 |
| 456 | Futures | 6 | 114 | 210 | 243 |
| 459 | extraterrestrial environment | 20 | 113 | 154 | 482 |
| 459 | astronomical phenomena | 20 | 113 | 143 | 429 |
| 461 | Stem cells | 3 | 112 | 2097 | 2073 |
| 462 | Mathematical Physics | 7 | 110 | 2497 | 2235 |
| 463 | Criminal Law | 4 | 109 | 254 | 195 |
| 463 | histological techniques | 1 | 109 | 1468 | 1050 |
| 463 | nucleic acids | 8 | 109 | 1416 | 2479 |
| 463 | Biometrics | 4 | 109 | 1190 | 1098 |
| 463 | Crystal growth | 3 | 109 | 1208 | 1068 |
| 463 | Economic planning | 4 | 109 | 430 | 440 |
| 469 | Human genetics | 8 | 108 | 1925 | 4220 |
| 469 | Mycology | 7 | 108 | 1332 | 1820 |
| 471 | Ultrasonics | 2 | 107 | 1570 | 1346 |
| 471 | Ultrasound | 2 | 107 | 837 | 583 |
| 473 | consumers | 4 | 106 | 326 | 346 |
| 474 | Regional Development | 3 | 105 | 286 | 261 |
| 474 | Cardiovascular diseases | 2 | 105 | 2533 | 1739 |
| 474 | Development planning | 3 | 105 | 244 | 241 |
| 477 | Cross-Cultural Studies | 3 | 104 | 772 | 612 |
| 477 | Ethnology | 6 | 104 | 1248 | 1090 |
| 479 | Paleoclimatology | 5 | 103 | 992 | 1273 |
| 479 | Animal breeding | 3 | 103 | 898 | 749 |
| 481 | Paleogeography | 5 | 102 | 832 | 1088 |
| 481 | solar power | 2 | 102 | 1171 | 1134 |
| 481 | solar cells | 2 | 102 | 1304 | 1245 |
| 481 | Population | 6 | 102 | 832 | 1056 |
| 481 | sex crimes | 4 | 102 | 591 | 605 |
| 486 | innovation | 1 | 101 | 1198 | 859 |
| 486 | Tropical Medicine | 7 | 101 | 1554 | 1919 |
| 486 | Solar System | 5 | 101 | 794 | 933 |
| 489 | International Relations | 3 | 100 | 1443 | 744 |
| 489 | Manufacturing Processes | 8 | 100 | 1691 | 2259 |
| 489 | Magnetic Materials | 3 | 100 | 1678 | 1505 |
| 489 | Optical materials | 3 | 100 | 2925 | 3004 |
| 493 | intervention | 3 | 99 | 121 | 54 |
| 494 | Systems Biology | 6 | 97 | 1393 | 1977 |
| 494 | Parasitology | 8 | 97 | 1888 | 2587 |
| 496 | Plant Ecology | 2 | 96 | 2399 | 2278 |
| 496 | Atmospheric Physics | 4 | 96 | 1690 | 1934 |
| 498 | Marine Ecology | 5 | 95 | 685 | 765 |
| 498 | Paleoecology | 5 | 95 | 955 | 1221 |
| 498 | Neurochemistry | 4 | 95 | 2575 | 3053 |
| 498 | Structural design | 5 | 95 | 682 | 817 |
| 498 | Psychiatric Nursing | 4 | 95 | 654 | 589 |
| 498 | industrial hygiene | 8 | 95 | 733 | 839 |
| 498 | System analysis | 16 | 95 | 1142 | 2394 |
| 498 | Recombinant DNA | 3 | 95 | 1983 | 1882 |
| 498 | Informatics | 1 | 95 | 1743 | 1023 |
| 507 | Smoking | 3 | 94 | 953 | 1042 |
| 507 | Physical fitness | 4 | 94 | 1101 | 1208 |
| 507 | recreation | 6 | 94 | 507 | 511 |
| 510 | Demography | 2 | 93 | 1065 | 813 |
| 510 | Money | 4 | 93 | 274 | 415 |
| 512 | Career development | 3 | 92 | 454 | 303 |
| 512 | Electrophysiology | 3 | 92 | 1509 | 1187 |
| 512 | Breeding | 3 | 92 | 1483 | 1426 |
| 515 | Post-traumatic stress disorder | 5 | 91 | 654 | 997 |
| 516 | Computational Biology | 5 | 90 | 3056 | 3529 |
| 516 | epilepsy | 3 | 90 | 1269 | 1190 |
| 516 | gene therapy | 1 | 90 | 2374 | 1769 |
| 516 | police | 9 | 90 | 190 | 248 |
| 520 | Economic Development | 11 | 87 | 954 | 2148 |
| 520 | Image Processing | 6 | 87 | 1680 | 2255 |
| 520 | Bacterial infections | 5 | 87 | 865 | 1560 |
| 523 | Hypertension | 5 | 86 | 1729 | 2676 |
| 523 | health services accessibility | 6 | 86 | 751 | 1089 |
| 523 | disabilities | 4 | 86 | 757 | 855 |
| 526 | Neonatal Nursing | 8 | 85 | 34 | 29 |
| 526 | Computer Vision | 5 | 85 | 1028 | 1579 |
| 526 | Neonatal intensive care | 8 | 85 | 28 | 28 |
| 529 | Urban Economics | 4 | 84 | 319 | 507 |
| 529 | Analytical Biochemistry | 3 | 84 | 2261 | 2190 |
| 529 | Diabetes mellitus | 6 | 84 | 2037 | 3283 |
| 532 | Aquatic ecosystems | 1 | 83 | 432 | 115 |
| 533 | Ophthalmology | 3 | 82 | 2251 | 2301 |
| 533 | Political Science | 8 | 82 | 1351 | 1408 |
| 533 | Robotics | 1 | 82 | 3008 | 1769 |
| 533 | Catalysis | 1 | 82 | 5104 | 4023 |
| 533 | Genetic engineering | 3 | 82 | 2806 | 3144 |
| 533 | Human-Computer Interaction | 2 | 82 | 2191 | 1677 |
| 533 | Virtual reality | 1 | 82 | 824 | 377 |
| 533 | Parasitic Diseases | 4 | 82 | 2394 | 2762 |
| 533 | child behavior | 2 | 82 | 582 | 557 |
| 542 | correctional psychology | 2 | 81 | 306 | 311 |
| 543 | Cytogenetics | 1 | 80 | 3085 | 2601 |
| 543 | Quality Control | 6 | 80 | 1475 | 2192 |
| 543 | hospice care | 5 | 80 | 519 | 597 |
| 543 | Cognitive Science | 3 | 80 | 1795 | 1985 |
| 547 | Systems Analysis | 8 | 79 | 701 | 1163 |
| 547 | Social welfare | 6 | 79 | 408 | 570 |
| 547 | Plant physiology | 2 | 79 | 2822 | 2883 |
| 547 | Water quality management | 7 | 79 | 1336 | 2046 |
| 547 | Social Change | 4 | 79 | 945 | 1509 |
| 552 | Pharmacy | 6 | 78 | 1927 | 2789 |
| 553 | Agricultural Science | 2 | 77 | 333 | 463 |
| 553 | Drug delivery systems | 1 | 77 | 2888 | 2232 |
| 553 | Carbon | 6 | 77 | 1114 | 2061 |
| 556 | Quantum electronics | 3 | 76 | 1298 | 798 |
| 556 | Forest Ecology | 4 | 76 | 1079 | 1472 |
| 556 | Biomechanics | 2 | 76 | 2266 | 1860 |
| 556 | Genes | 3 | 76 | 1453 | 1545 |
| 560 | Infections | 3 | 75 | 1603 | 2083 |
| 560 | Neuropharmacology | 1 | 75 | 1262 | 849 |
| 560 | Women's health | 6 | 75 | 1099 | 1693 |
| 563 | Surgery | 4 | 74 | 2454 | 3157 |
| 563 | Insects | 4 | 74 | 1581 | 1575 |
| 565 | Bioinformatics | 3 | 73 | 2657 | 2876 |
| 566 | disarmament | 3 | 72 | 202 | 171 |
| 566 | disease vectors | 3 | 72 | 1205 | 1363 |
| 566 | Suicide | 4 | 72 | 549 | 680 |
| 566 | Vaccines | 2 | 72 | 2890 | 2699 |
| 570 | biofuels | 2 | 71 | 422 | 730 |
| 570 | Aquaculture | 4 | 71 | 1526 | 1753 |
| 572 | Lipids | 1 | 70 | 2675 | 2180 |
| 573 | Higher Education | 3 | 69 | 625 | 575 |
| 573 | DNA | 3 | 69 | 737 | 798 |
| 573 | Multiple sclerosis | 8 | 69 | 378 | 619 |
| 573 | Diabetes | 5 | 69 | 2309 | 3579 |
| 577 | occupational health and safety | 5 | 68 | 195 | 247 |
| 577 | community development | 4 | 68 | 548 | 648 |
| 577 | Cosmochemistry | 3 | 68 | 1098 | 1317 |
| 577 | animals | 6 | 68 | 1059 | 1381 |
| 581 | Nanoelectronics | 3 | 67 | 1042 | 815 |
| 581 | Microelectronics | 3 | 67 | 2131 | 2439 |
| 581 | Hemodynamics | 2 | 67 | 972 | 1226 |
| 581 | Personality Assessment | 1 | 67 | 1056 | 840 |
| 581 | strategy | 3 | 67 | 270 | 133 |
| 586 | vibration | 5 | 66 | 1124 | 1451 |
| 586 | Semiconductor industry | 2 | 66 | 954 | 662 |
| 588 | Information Technology | 6 | 65 | 2085 | 2645 |
| 588 | school environment | 4 | 65 | 64 | 131 |
| 590 | Cybernetics | 4 | 64 | 1332 | 1658 |
| 590 | Adhesion | 2 | 64 | 1021 | 774 |
| 590 | Pharmacy management | 3 | 64 | 400 | 345 |
| 590 | Sound | 3 | 64 | 1027 | 636 |
| 590 | Educational measurement | 6 | 64 | 125 | 194 |
| 590 | adhesives | 2 | 64 | 1085 | 780 |
| 590 | Instructional systems | 5 | 64 | 104 | 162 |
| 597 | Telemedicine | 3 | 63 | 474 | 667 |
| 597 | Estuaries | 1 | 63 | 349 | 326 |
| 597 | Fungi | 2 | 63 | 1494 | 1546 |
| 600 | Bryology | 9 | 62 | 106 | 195 |
| 600 | feeding behavior | 3 | 62 | 926 | 1260 |
| 600 | arthritis | 1 | 62 | 2438 | 2281 |
| 600 | Credit | 3 | 62 | 103 | 192 |
| 600 | freshwater biology | 2 | 62 | 1386 | 1274 |
| 600 | proteins | 3 | 62 | 2724 | 3023 |
| 606 | Soil Science | 7 | 61 | 1447 | 2517 |
| 606 | Pharmacogenetics | 1 | 61 | 2265 | 1919 |
| 606 | Signal Transduction | 1 | 61 | 2656 | 2411 |
| 606 | Computational Fluid Dynamics | 5 | 61 | 546 | 833 |
| 606 | Organ transplantation | 3 | 61 | 529 | 447 |
| 606 | behavior therapy | 7 | 61 | 619 | 1237 |
| 606 | government | 14 | 61 | 291 | 675 |
| 606 | Radio | 3 | 61 | 1016 | 776 |
| 606 | Genetic therapy | 1 | 61 | 2533 | 2219 |
| 606 | family violence | 5 | 61 | 340 | 641 |
| 606 | Zoonoses | 2 | 61 | 483 | 531 |
| 617 | ethanol | 1 | 60 | 1128 | 761 |
| 617 | Radio frequency | 1 | 60 | 733 | 373 |
| 619 | Process Control | 2 | 59 | 1225 | 1583 |
| 619 | Simulation Methods | 11 | 59 | 411 | 1201 |
| 619 | DNS | 2 | 59 | 819 | 848 |
| 619 | Parasites | 6 | 59 | 1400 | 2213 |
| 619 | Administration | 1 | 59 | 198 | 82 |
| 624 | Experimental Psychology | 1 | 58 | 1030 | 724 |
| 624 | Neural circuitry | 1 | 58 | 3411 | 2779 |
| 624 | Intelligent Control Systems | 2 | 58 | 1665 | 968 |
| 624 | fuel cells | 1 | 58 | 2117 | 1867 |
| 624 | at-risk youth | 1 | 58 | 201 | 202 |
| 629 | Physical Chemistry | 6 | 57 | 2012 | 3061 |
| 629 | Social Ethics | 2 | 57 | 309 | 144 |
| 629 | Group decision making | 6 | 57 | 313 | 639 |
| 629 | technical education | 1 | 57 | 1029 | 563 |
| 633 | Immunopathology | 1 | 56 | 2669 | 2277 |
| 633 | refugees | 1 | 56 | 591 | 307 |
| 633 | mosses | 7 | 56 | 77 | 128 |
| 633 | liverworts | 7 | 56 | 77 | 128 |
| 637 | Language Disorders | 3 | 55 | 997 | 1111 |
| 637 | Animal Nutrition | 1 | 55 | 1123 | 758 |
| 637 | Animal genetics | 1 | 55 | 1139 | 874 |
| 637 | plant communities | 1 | 55 | 1921 | 1856 |
| 641 | Pediatric Nursing | 4 | 54 | 503 | 645 |
| 641 | urban health | 4 | 54 | 257 | 545 |
| 641 | Soil stabilization | 3 | 54 | 47 | 59 |
| 641 | North America | 4 | 54 | 988 | 1224 |
| 641 | Respiration | 7 | 54 | 1313 | 2493 |
| 641 | Youth | 2 | 54 | 940 | 1037 |
| 647 | Production Engineering | 3 | 53 | 2293 | 2305 |
| 647 | Electrophoresis | 2 | 53 | 2490 | 2522 |
| 647 | Antibacterial agents | 2 | 53 | 1160 | 1408 |
| 650 | Agricultural Chemistry | 4 | 52 | 2544 | 3407 |
| 650 | Combustion | 3 | 52 | 1439 | 1739 |
| 650 | speech therapy | 2 | 52 | 593 | 518 |
| 650 | Microscopy | 1 | 52 | 3363 | 2066 |
| 654 | local government | 8 | 51 | 187 | 476 |
| 654 | baking | 2 | 51 | 304 | 342 |
| 654 | civil service | 4 | 51 | 348 | 500 |
| 654 | Recycling | 2 | 51 | 880 | 1504 |
| 658 | Vocational Education | 8 | 50 | 313 | 630 |
| 658 | Holistic Health | 4 | 50 | 409 | 596 |
| 658 | Bioorganic chemistry | 7 | 50 | 2357 | 4107 |
| 658 | pain management | 2 | 50 | 1103 | 1097 |
| 658 | Portfolio Management | 4 | 50 | 304 | 337 |
| 658 | allied health | 4 | 50 | 208 | 389 |
| 658 | Chronic diseases | 2 | 50 | 1128 | 1445 |
| 665 | Crystallography | 2 | 49 | 2388 | 1589 |
| 665 | X-ray crystallography | 2 | 49 | 893 | 748 |
| 665 | Urban Areas | 1 | 49 | 524 | 324 |
| 668 | Earthquake Engineering | 5 | 48 | 1098 | 1794 |
| 668 | Environmental Psychology | 2 | 48 | 508 | 747 |
| 668 | Geosynthetics | 1 | 48 | 324 | 210 |
| 668 | Marine invertebrates | 5 | 48 | 143 | 248 |
| 668 | Qualitative Research | 3 | 48 | 558 | 683 |
| 668 | population policy | 2 | 48 | 236 | 249 |
| 674 | Asthma | 3 | 47 | 928 | 1175 |
| 674 | Mathematical Economics | 1 | 47 | 559 | 394 |
| 674 | Ultrasonic Imaging | 1 | 47 | 1114 | 877 |
| 677 | Immunotherapy | 3 | 46 | 2412 | 3387 |
| 677 | Geodynamics | 1 | 46 | 1451 | 1277 |
| 677 | urban forestry | 2 | 46 | 404 | 457 |
| 680 | educational innovations | 2 | 45 | 738 | 735 |
| 681 | Petroleum Engineering | 3 | 44 | 872 | 1099 |
| 681 | supercritical fluids | 1 | 44 | 764 | 743 |
| 681 | coal | 2 | 44 | 2178 | 2814 |
| 684 | Hydraulic Engineering | 10 | 43 | 550 | 1363 |
| 684 | Ocean Engineering | 5 | 43 | 1447 | 2454 |
| 686 | Nondestructive testing | 2 | 42 | 1024 | 968 |
| 686 | Psychometrics | 1 | 42 | 815 | 663 |
| 686 | Immunopharmacology | 2 | 42 | 1619 | 1924 |
| 686 | risk factors | 1 | 42 | 1554 | 1315 |
| 686 | Communication Disorders | 2 | 42 | 493 | 465 |
| 686 | cytokines | 2 | 42 | 2067 | 2544 |
| 686 | vascular diseases | 1 | 42 | 1512 | 1532 |
| 693 | Transportation Engineering | 11 | 41 | 125 | 587 |
| 693 | Solid State Chemistry | 5 | 41 | 2332 | 3238 |
| 693 | Quantitative Research | 1 | 41 | 413 | 414 |
| 693 | Financial management | 3 | 41 | 589 | 1075 |
| 693 | forest policy | 6 | 41 | 252 | 655 |
| 698 | Gender Studies | 2 | 40 | 712 | 757 |
| 698 | Neurotransmitters | 1 | 40 | 1213 | 828 |
| 698 | Feminism | 2 | 40 | 822 | 701 |
| 698 | Fish diseases | 1 | 40 | 287 | 248 |
| 698 | Groundwater | 4 | 40 | 715 | 1091 |
| 698 | Aquatic animals | 1 | 40 | 466 | 358 |
| 698 | Invertebrates | 1 | 40 | 1327 | 1099 |
| 705 | Contraception | 2 | 39 | 1006 | 1248 |
| 705 | soil management | 3 | 39 | 640 | 1176 |
| 705 | Synapses | 1 | 39 | 624 | 613 |
| 708 | Transnational corporations | 1 | 38 | 756 | 643 |
| 709 | Cochlear Implants | 1 | 37 | 243 | 139 |
| 709 | Music Therapy | 2 | 37 | 341 | 338 |
| 709 | Art Therapy | 2 | 37 | 290 | 291 |
| 709 | Industrial Microbiology | 2 | 37 | 2844 | 3734 |
| 709 | Engineering Ethics | 1 | 37 | 473 | 397 |
| 709 | radiative transfer | 4 | 37 | 630 | 843 |
| 709 | Dance therapy | 2 | 37 | 247 | 229 |
| 709 | Art | 1 | 37 | 911 | 174 |
| 709 | Professional ethics | 1 | 37 | 659 | 524 |
| 709 | Finite Element Method | 2 | 37 | 420 | 502 |
| 709 | Combinatorial analysis | 2 | 37 | 1451 | 1014 |
| 709 | disease outbreaks | 6 | 37 | 442 | 1320 |
| 721 | Mining Engineering | 3 | 36 | 655 | 798 |
| 721 | Molecular cloning | 1 | 36 | 2929 | 2685 |
| 721 | Metabolic diseases | 2 | 36 | 3645 | 4594 |
| 721 | Genetic recombination | 1 | 36 | 2880 | 2644 |
| 721 | Public opinion | 1 | 36 | 858 | 807 |
| 721 | Environmental pollutants | 2 | 36 | 3273 | 4131 |
| 721 | behavior modification | 1 | 36 | 722 | 810 |
| 721 | China | 3 | 36 | 3582 | 4523 |
| 721 | Work | 5 | 36 | 253 | 523 |
| 721 | ecotourism | 2 | 36 | 326 | 512 |
| 721 | drug abuse | 3 | 36 | 828 | 1175 |
| 721 | children | 2 | 36 | 812 | 939 |
| 733 | Geography | 7 | 35 | 1847 | 3536 |
| 733 | Linguistics | 3 | 35 | 1825 | 1688 |
| 733 | health workforce | 2 | 35 | 297 | 563 |
| 733 | Melanoma | 1 | 35 | 514 | 576 |
| 733 | taxation | 1 | 35 | 530 | 442 |
| 733 | soil microbiology | 3 | 35 | 1742 | 3229 |
| 733 | Housing | 2 | 35 | 663 | 892 |
| 733 | Library Science | 11 | 35 | 637 | 1245 |
| 733 | community organization | 2 | 35 | 102 | 113 |
| 733 | Europa | 1 | 35 | 1034 | 869 |
| 743 | Urban Policy | 1 | 34 | 1536 | 1513 |
| 743 | Environmental Geology | 1 | 34 | 2815 | 2660 |
| 743 | Critical Care Medicine | 2 | 34 | 2352 | 3299 |
| 743 | adolescence | 3 | 34 | 1082 | 1688 |
| 743 | elder abuse | 4 | 34 | 286 | 658 |
| 743 | pollutants | 1 | 34 | 3527 | 3668 |
| 743 | Proteome | 1 | 34 | 2360 | 2617 |
| 743 | Plants | 6 | 34 | 1819 | 3476 |
| 751 | Urban Planning | 1 | 33 | 802 | 773 |
| 751 | Geomorphology | 3 | 33 | 1580 | 2436 |
| 751 | Coastal zone management | 1 | 33 | 1398 | 1334 |
| 751 | Mass Spectrometry | 2 | 33 | 1824 | 2147 |
| 751 | Marine resources | 1 | 33 | 1424 | 1386 |
| 751 | Hedge funds | 3 | 33 | 37 | 77 |
| 751 | Kidney diseases | 2 | 33 | 1544 | 1941 |
| 758 | Neurosurgery | 7 | 32 | 979 | 2165 |
| 758 | Juvenile delinquency | 2 | 32 | 427 | 494 |
| 758 | Kinetics | 3 | 32 | 588 | 894 |
| 758 | Measurement | 5 | 32 | 1087 | 2146 |
| 758 | Chemical kinetics | 3 | 32 | 901 | 960 |
| 758 | interfaith relations | 1 | 32 | 166 | 36 |
| 758 | Celestial Mechanics | 2 | 32 | 282 | 297 |
| 758 | visualization | 8 | 32 | 1159 | 1613 |
| 758 | Christianity | 1 | 32 | 546 | 69 |
| 758 | Islam | 1 | 32 | 1242 | 570 |
| 758 | Tunneling | 5 | 32 | 246 | 717 |
| 758 | underground construction | 5 | 32 | 246 | 717 |
| 758 | Leisure | 1 | 32 | 678 | 626 |
| 758 | venom | 2 | 32 | 1358 | 1522 |
| 758 | Toxins | 2 | 32 | 1494 | 1655 |
| 773 | soil conservation | 2 | 31 | 1166 | 1575 |
| 773 | peptides | 1 | 31 | 1916 | 1573 |
| 773 | Prisons | 4 | 31 | 306 | 444 |
| 773 | scientific societies | 1 | 31 | 1818 | 1718 |
| 777 | Organic Chemistry | 4 | 30 | 3348 | 4753 |
| 777 | Quality Management | 1 | 30 | 472 | 306 |
| 777 | Psychosomatic Medicine | 2 | 30 | 1323 | 1886 |
| 777 | Adolescent Psychology | 3 | 30 | 1024 | 1607 |
| 777 | Interfaces | 3 | 30 | 339 | 558 |
| 777 | social science | 1 | 30 | 345 | 425 |
| 777 | probabilities | 3 | 30 | 1460 | 1451 |
| 777 | Criminal behavior | 2 | 30 | 286 | 361 |
| 777 | drug evaluation | 2 | 30 | 2069 | 2696 |
| 786 | Molecular Microbiology | 1 | 29 | 1723 | 2137 |
| 786 | Clinical Pharmacology | 3 | 29 | 1950 | 2916 |
| 786 | Disability Studies | 1 | 29 | 625 | 479 |
| 786 | Democracy | 4 | 29 | 292 | 373 |
| 786 | Psychoanalysis | 10 | 29 | 192 | 413 |
| 786 | Ecohydrology | 3 | 29 | 418 | 735 |
| 786 | Cold War | 4 | 29 | 118 | 56 |
| 786 | Constructivism | 2 | 29 | 78 | 76 |
| 786 | Marine sediments | 9 | 29 | 13 | 27 |
| 795 | Orthopedics | 4 | 28 | 1826 | 2935 |
| 795 | Organizational Behavior | 3 | 28 | 644 | 1099 |
| 795 | Orthopedic Surgery | 4 | 28 | 961 | 1728 |
| 795 | Molecular Spectroscopy | 4 | 28 | 1896 | 3115 |
| 799 | Ecological Genetics | 3 | 27 | 804 | 1198 |
| 799 | Critical Care | 1 | 27 | 3277 | 3678 |
| 799 | Political Participation | 1 | 27 | 625 | 563 |
| 799 | Infertility | 1 | 27 | 2148 | 2208 |
| 799 | election law | 3 | 27 | 261 | 429 |
| 799 | Water Microbiology | 2 | 27 | 731 | 1225 |
| 799 | psychopathology | 1 | 27 | 655 | 728 |
| 799 | Capital market | 1 | 27 | 803 | 856 |
| 799 | Elections | 1 | 27 | 623 | 503 |
| 799 | Archives | 1 | 27 | 302 | 98 |
| 799 | Allergy | 2 | 27 | 1917 | 2693 |
| 799 | Trace elements | 1 | 27 | 663 | 866 |
| 799 | Molecular structure | 1 | 27 | 4429 | 4074 |
| 799 | Voting | 1 | 27 | 425 | 415 |
| 813 | Global Health | 2 | 26 | 1812 | 2168 |
| 813 | Geographic information systems | 4 | 26 | 1113 | 1849 |
| 813 | Food service management | 1 | 26 | 758 | 1006 |
| 813 | Freezing | 2 | 26 | 546 | 591 |
| 813 | Communication in medicine | 2 | 26 | 777 | 1123 |
| 813 | primary prevention | 3 | 26 | 536 | 1093 |
| 813 | Decision making | 3 | 26 | 1882 | 2960 |
| 820 | Project Management | 1 | 25 | 551 | 852 |
| 820 | Dental Public Health | 4 | 25 | 151 | 371 |
| 820 | Obstetric Nursing | 3 | 25 | 426 | 665 |
| 820 | Land use | 3 | 25 | 1347 | 2351 |
| 820 | Behavioral research | 4 | 25 | 446 | 974 |
| 820 | Bones | 1 | 25 | 1864 | 2043 |
| 826 | Marine Engineering | 6 | 24 | 192 | 351 |
| 826 | Rheumatology | 2 | 24 | 1936 | 2569 |
| 826 | Fisheries Law | 1 | 24 | 319 | 384 |
| 826 | Cognitive Therapy | 4 | 24 | 610 | 1315 |
| 826 | sexual orientation | 1 | 24 | 293 | 282 |
| 826 | Gender identity | 1 | 24 | 660 | 468 |
| 826 | actuators | 1 | 24 | 3718 | 4157 |
| 826 | natural products | 4 | 24 | 1808 | 2939 |
| 826 | biological factors | 4 | 24 | 2051 | 3715 |
| 826 | fisheries management | 1 | 24 | 319 | 384 |
| 826 | women | 1 | 24 | 1715 | 1292 |
| 826 | transducers | 1 | 24 | 3718 | 4157 |
| 826 | Allergies | 1 | 24 | 405 | 406 |
| 839 | Emergency Nursing | 2 | 23 | 248 | 376 |
| 839 | Andrology | 1 | 23 | 1408 | 1494 |
| 839 | Experimental Design | 2 | 23 | 387 | 551 |
| 839 | Thermochemistry | 2 | 23 | 691 | 941 |
| 839 | Bacteriology | 1 | 23 | 3590 | 4235 |
| 839 | Cognitive neuroscience | 2 | 23 | 1355 | 1978 |
| 839 | Technological Innovations | 2 | 23 | 1524 | 2130 |
| 839 | Hormones | 2 | 23 | 2006 | 2949 |
| 839 | geological modeling | 1 | 23 | 1100 | 1053 |
| 839 | curriculum planning | 1 | 23 | 352 | 292 |
| 839 | Africa | 8 | 23 | 1121 | 2565 |
| 839 | Oxidation | 1 | 23 | 385 | 405 |
| 839 | Southeast Asia | 3 | 23 | 482 | 613 |
| 839 | Androgens | 1 | 23 | 553 | 730 |
| 839 | viruses | 1 | 23 | 2830 | 3495 |
| 839 | rivers | 3 | 23 | 365 | 715 |
| 855 | Game Theory | 1 | 22 | 1120 | 949 |
| 855 | Graph Theory | 3 | 22 | 916 | 952 |
| 855 | Structural dynamics | 1 | 22 | 1850 | 2144 |
| 855 | Comparative Physiology | 2 | 22 | 1203 | 1687 |
| 855 | Radiography | 3 | 22 | 827 | 1468 |
| 855 | Feasibility studies | 3 | 22 | 361 | 487 |
| 855 | social justice | 2 | 22 | 553 | 507 |
| 855 | Plant breeding | 1 | 22 | 1716 | 1795 |
| 855 | Transgenic plants | 1 | 22 | 1047 | 1336 |
| 855 | corrections | 2 | 22 | 264 | 318 |
| 855 | Steroids | 2 | 22 | 1545 | 2251 |
| 855 | tests | 1 | 22 | 392 | 465 |
| 867 | Aerospace Engineering | 6 | 21 | 230 | 529 |
| 867 | Automation | 2 | 21 | 2528 | 3123 |
| 867 | Integrated Circuits | 4 | 21 | 754 | 930 |
| 867 | Waste management | 4 | 21 | 1436 | 2754 |
| 867 | water resources | 1 | 21 | 462 | 382 |
| 867 | psychoanalytic therapy | 5 | 21 | 78 | 138 |
| 867 | environmental exposure | 3 | 21 | 2457 | 4362 |
| 867 | libraries | 12 | 21 | 334 | 918 |
| 867 | England | 1 | 21 | 413 | 126 |
| 876 | Oral Medicine | 1 | 20 | 1320 | 1258 |
| 876 | Analytical Toxicology | 1 | 20 | 550 | 689 |
| 876 | Behavioral Genetics | 1 | 20 | 521 | 708 |
| 876 | Discrete Mathematics | 1 | 20 | 716 | 380 |
| 876 | Medical Ethics | 3 | 20 | 1461 | 2233 |
| 876 | Legal Ethics | 2 | 20 | 67 | 52 |
| 876 | graph | 1 | 20 | 716 | 380 |
| 876 | Sun | 3 | 20 | 486 | 736 |
| 876 | natural gas | 8 | 20 | 232 | 976 |
| 876 | economic development projects | 3 | 20 | 205 | 542 |
| 876 | mathematical analysis | 2 | 20 | 3076 | 2984 |
| 887 | Radiology | 3 | 19 | 2188 | 3044 |
| 887 | Speech-Language Pathology | 1 | 19 | 627 | 696 |
| 887 | Audiology | 3 | 19 | 999 | 1665 |
| 887 | Dermatology | 4 | 19 | 2049 | 3435 |
| 887 | Agricultural Economics | 1 | 19 | 193 | 199 |
| 887 | Health equity | 1 | 19 | 172 | 153 |
| 887 | Politics | 9 | 19 | 374 | 809 |
| 887 | Metallography | 2 | 19 | 1190 | 1753 |
| 887 | Japan | 1 | 19 | 4079 | 3657 |
| 887 | heredity | 2 | 19 | 1080 | 1644 |
| 887 | Scotland | 2 | 19 | 189 | 231 |
| 898 | Tribology | 1 | 18 | 2143 | 2263 |
| 898 | Biological Systems | 1 | 18 | 1696 | 1797 |
| 898 | healthcare disparities | 2 | 18 | 827 | 1391 |
| 898 | Consumer Protection | 3 | 18 | 199 | 524 |
| 898 | Elderly | 7 | 18 | 1005 | 1896 |
| 898 | Consumer education | 3 | 18 | 346 | 1020 |
| 898 | Information management | 1 | 18 | 250 | 259 |
| 898 | human development | 2 | 18 | 1076 | 1752 |
| 898 | Maps | 1 | 18 | 386 | 380 |
| 898 | Stress | 1 | 18 | 657 | 854 |
| 898 | Primates | 2 | 18 | 1126 | 1533 |
| 909 | Numerical Analysis | 3 | 17 | 2667 | 3602 |
| 909 | Sedimentology | 1 | 17 | 1258 | 1479 |
| 909 | Functional Genomics | 1 | 17 | 714 | 1111 |
| 909 | Symbolic interactionism | 1 | 17 | 231 | 265 |
| 909 | mental health policy | 2 | 17 | 317 | 567 |
| 909 | Forecasting | 2 | 17 | 802 | 1176 |
| 909 | Urban Transportation | 1 | 17 | 420 | 443 |
| 909 | Coral reef biology | 2 | 17 | 242 | 443 |
| 909 | Hearing | 4 | 17 | 717 | 1467 |
| 918 | Otolaryngology | 3 | 16 | 778 | 1421 |
| 918 | Music | 6 | 16 | 718 | 1564 |
| 918 | Developmental Biology | 2 | 16 | 3041 | 4582 |
| 918 | Physical organic chemistry | 1 | 16 | 2386 | 2731 |
| 918 | Organizational change | 3 | 16 | 799 | 1570 |
| 918 | Water Conservation | 1 | 16 | 212 | 228 |
| 918 | Water Purification | 3 | 16 | 1355 | 2464 |
| 918 | Cost control | 1 | 16 | 386 | 425 |
| 918 | rural health | 1 | 16 | 395 | 530 |
| 918 | Reproductive toxicology | 1 | 16 | 1104 | 1376 |
| 918 | Communism | 1 | 16 | 369 | 318 |
| 918 | Malaria | 1 | 16 | 1541 | 1951 |
| 918 | protein | 1 | 16 | 2472 | 2742 |
| 918 | Latin America | 2 | 16 | 1915 | 1742 |
| 918 | shellfish | 4 | 16 | 163 | 472 |
| 933 | Dentistry | 1 | 15 | 1548 | 1469 |
| 933 | Systems Theory | 2 | 15 | 970 | 1212 |
| 933 | Cosmology | 2 | 15 | 1908 | 1998 |
| 933 | emergency management | 1 | 15 | 1923 | 2292 |
| 933 | Total Quality Management | 2 | 15 | 799 | 1436 |
| 933 | Change management | 2 | 15 | 160 | 291 |
| 933 | Photochemistry | 2 | 15 | 2633 | 3904 |
| 933 | mediation | 2 | 15 | 119 | 211 |
| 933 | Socioeconomic Factors | 1 | 15 | 1731 | 2327 |
| 933 | Disability Law | 1 | 15 | 363 | 462 |
| 933 | Strategic planning | 3 | 15 | 860 | 1700 |
| 933 | Reservoirs | 1 | 15 | 457 | 520 |
| 933 | Mechanics | 2 | 15 | 1972 | 2342 |
| 933 | land degradation | 1 | 15 | 1073 | 1416 |
| 933 | Light | 9 | 15 | 642 | 2519 |
| 933 | chronic disease | 2 | 15 | 580 | 1079 |
| 933 | drugs | 3 | 15 | 2892 | 4999 |
| 933 | degradation | 1 | 15 | 1073 | 1416 |
| 951 | Dynamics | 4 | 14 | 1894 | 3142 |
| 951 | Happiness | 2 | 14 | 621 | 1240 |
| 951 | Geobiology | 1 | 14 | 940 | 1212 |
| 951 | Educational Innovation | 2 | 14 | 109 | 200 |
| 951 | nucleotides | 3 | 14 | 427 | 675 |
| 951 | Microorganisms | 1 | 14 | 2340 | 3218 |
| 951 | chromatin | 1 | 14 | 394 | 667 |
| 951 | Epidemics | 1 | 14 | 1171 | 1709 |
| 959 | Environmental Toxicology | 1 | 13 | 4532 | 5718 |
| 959 | Restorative justice | 1 | 13 | 367 | 368 |
| 959 | Development Economics | 1 | 13 | 991 | 1221 |
| 959 | Remote Sensing | 3 | 13 | 1822 | 2750 |
| 959 | Microbial Biotechnology | 1 | 13 | 2045 | 2615 |
| 959 | Arboriculture | 2 | 13 | 95 | 116 |
| 959 | Customer service | 1 | 13 | 164 | 197 |
| 959 | Environmentalism | 1 | 13 | 317 | 487 |
| 959 | Moon | 3 | 13 | 222 | 413 |
| 959 | Antarctica | 1 | 13 | 1107 | 1211 |
| 959 | educational planning | 1 | 13 | 854 | 1072 |
| 959 | hygiene | 1 | 13 | 1216 | 1579 |
| 971 | Proteomics | 1 | 12 | 2341 | 3200 |
| 971 | Freshwater Ecology | 1 | 12 | 616 | 721 |
| 971 | Radiation Protection | 1 | 12 | 1547 | 1395 |
| 971 | Geomagnetism | 1 | 12 | 1223 | 1474 |
| 971 | Travel Writing | 1 | 12 | 32 | 5 |
| 971 | radiation monitoring | 1 | 12 | 1393 | 1312 |
| 971 | terrorism | 2 | 12 | 413 | 640 |
| 971 | Environmental Geochemistry | 1 | 12 | 1235 | 1658 |
| 971 | Leukemia | 1 | 12 | 2346 | 2573 |
| 971 | child mental health | 3 | 12 | 527 | 1193 |
| 971 | Microstructure | 2 | 12 | 1309 | 1837 |
| 971 | psychiatric disorders | 1 | 12 | 153 | 165 |
| 971 | Radiation dosimetry | 1 | 12 | 1132 | 1062 |
| 971 | California | 1 | 12 | 911 | 1054 |
| 971 | tree planting | 1 | 12 | 61 | 39 |
| 986 | Information Systems | 4 | 11 | 1511 | 3734 |
| 986 | Clinical Trials | 2 | 11 | 972 | 1802 |
| 986 | Epigenetics | 1 | 11 | 520 | 748 |
| 986 | Crime prevention | 3 | 11 | 305 | 611 |
| 986 | infrared radiation | 3 | 11 | 741 | 1466 |
| 986 | dual diagnosis | 1 | 11 | 239 | 301 |
| 986 | Biogeochemistry | 2 | 11 | 1581 | 2806 |
| 986 | Epigenomics | 1 | 11 | 510 | 731 |
| 986 | Human Capital | 3 | 11 | 277 | 814 |
| 986 | Organic Geochemistry | 1 | 11 | 748 | 1138 |
| 986 | Drying | 2 | 11 | 553 | 1085 |
| 986 | Heritage Tourism | 1 | 11 | 304 | 478 |
| 986 | Public Choice | 1 | 11 | 701 | 849 |
| 986 | cultural tourism | 1 | 11 | 295 | 478 |
| 986 | Outdoor recreation | 1 | 11 | 201 | 355 |