| 1 | Psychiatry | 793 | 29.5K | 95 | 125 |
| 2 | Urology | 1,179 | 24.6K | 8 | 33 |
| 3 | Neurology | 292 | 21.8K | 623 | 421 |
| 4 | Science | 344 | 20.8K | 943 | 1015 |
| 5 | Biology | 280 | 19.6K | 1109 | 1006 |
| 6 | Mental Disorders | 497 | 17.9K | 64 | 95 |
| 7 | Physics | 309 | 16.1K | 1284 | 1319 |
| 8 | Meteorology | 237 | 15.0K | 175 | 121 |
| 9 | Mental illness | 325 | 11.6K | 46 | 76 |
| 10 | Medicine | 244 | 10.7K | 1340 | 1140 |
| 11 | Psychophysiology | 167 | 9.5K | 331 | 235 |
| 12 | Public Health | 248 | 9.2K | 450 | 373 |
| 13 | Natural history | 111 | 9.1K | 557 | 1068 |
| 14 | Psychology | 181 | 8.1K | 543 | 386 |
| 15 | Climatology | 53 | 7.8K | 392 | 140 |
| 16 | Molecular Biology | 135 | 7.2K | 1573 | 1273 |
| 17 | Behavior | 74 | 7.1K | 558 | 278 |
| 18 | Ecology | 92 | 6.9K | 1346 | 887 |
| 19 | Child Development | 42 | 6.8K | 487 | 133 |
| 20 | Research | 192 | 6.4K | 1208 | 1081 |
| 21 | Health Policy | 160 | 6.4K | 135 | 76 |
| 22 | human behavior | 53 | 6.2K | 486 | 224 |
| 23 | Child | 47 | 6.0K | 580 | 97 |
| 24 | Developmental Disabilities | 31 | 5.6K | 246 | 54 |
| 25 | United States | 405 | 5.4K | 256 | 424 |
| 26 | Neurophysiology | 125 | 5.1K | 446 | 500 |
| 27 | Psychopharmacology | 131 | 4.9K | 130 | 159 |
| 28 | Environment | 44 | 4.6K | 1509 | 979 |
| 29 | Environmental Health | 41 | 4.4K | 1713 | 763 |
| 30 | Chemistry | 114 | 4.3K | 2361 | 2064 |
| 31 | Animal Behavior | 35 | 3.9K | 556 | 266 |
| 32 | Immunology | 32 | 3.7K | 1614 | 881 |
| 33 | environmental protection | 11 | 3.5K | 2308 | 301 |
| 34 | Nervous system | 37 | 3.5K | 761 | 413 |
| 35 | Ethology | 24 | 3.3K | 538 | 249 |
| 36 | management | 55 | 3.3K | 794 | 548 |
| 37 | Clinical Psychology | 67 | 3.2K | 227 | 238 |
| 38 | Health Services Administration | 63 | 3.2K | 87 | 48 |
| 39 | Schizophrenia | 139 | 3.0K | 68 | 140 |
| 40 | Environmental Chemistry | 12 | 3.0K | 1201 | 337 |
| 41 | Chemical Engineering | 11 | 2.9K | 3222 | 993 |
| 42 | Energy Conversion | 8 | 2.9K | 890 | 284 |
| 43 | Autism | 33 | 2.5K | 142 | 52 |
| 44 | Materials | 84 | 2.5K | 1650 | 1529 |
| 45 | Polymers | 71 | 2.5K | 1258 | 991 |
| 46 | Alzheimer's disease | 288 | 2.4K | 63 | 140 |
| 47 | Dementia | 276 | 2.3K | 62 | 130 |
| 48 | Operations Research | 10 | 2.2K | 1510 | 294 |
| 49 | Pharmacology | 56 | 2.1K | 1660 | 1342 |
| 50 | Epidemiology | 87 | 2.1K | 648 | 723 |
| 51 | Endocrinology | 25 | 2.1K | 1419 | 941 |
| 52 | Brain | 49 | 2.0K | 782 | 678 |
| 53 | Psychoneuroimmunology | 25 | 1.8K | 142 | 73 |
| 53 | Neuroimmunology | 25 | 1.8K | 163 | 83 |
| 55 | Solid State Physics | 50 | 1.7K | 1411 | 1099 |
| 56 | Condensed Matter | 46 | 1.7K | 1350 | 1076 |
| 57 | Oceanography | 42 | 1.7K | 561 | 465 |
| 58 | Engineering | 115 | 1.7K | 470 | 521 |
| 59 | Nanotechnology | 37 | 1.7K | 1935 | 1594 |
| 60 | Mental Health | 127 | 1.6K | 75 | 164 |
| 61 | Community Psychiatry | 68 | 1.6K | 91 | 136 |
| 62 | Neurobiology | 52 | 1.6K | 400 | 603 |
| 63 | Australia | 110 | 1.6K | 118 | 138 |
| 64 | Economics | 53 | 1.6K | 1252 | 849 |
| 65 | Sleep Disorders | 80 | 1.6K | 216 | 307 |
| 66 | Sleep | 82 | 1.5K | 208 | 308 |
| 67 | Pediatrics | 40 | 1.5K | 779 | 777 |
| 68 | Marine Meteorology | 27 | 1.5K | 112 | 81 |
| 69 | Immunity | 5 | 1.5K | 1911 | 920 |
| 70 | Immune system | 4 | 1.5K | 1141 | 485 |
| 71 | Cancer | 13 | 1.5K | 2418 | 1309 |
| 72 | Nutrition | 21 | 1.5K | 2179 | 1214 |
| 73 | Business | 31 | 1.5K | 640 | 524 |
| 74 | Geriatric Psychiatry | 39 | 1.5K | 178 | 123 |
| 75 | Optics | 175 | 1.4K | 735 | 1054 |
| 76 | Cerebral cortex | 29 | 1.4K | 253 | 242 |
| 77 | Food | 13 | 1.4K | 1896 | 672 |
| 78 | Microbiology | 26 | 1.4K | 3293 | 2562 |
| 79 | Pharmaceutical Chemistry | 23 | 1.3K | 1854 | 1229 |
| 80 | Diet | 9 | 1.3K | 1592 | 681 |
| 81 | Biochemistry | 46 | 1.3K | 3679 | 3559 |
| 82 | Mathematics | 58 | 1.3K | 2053 | 1283 |
| 83 | Aging | 65 | 1.3K | 567 | 672 |
| 84 | Neuropsychology | 56 | 1.3K | 504 | 600 |
| 85 | Hematology | 54 | 1.2K | 1186 | 1205 |
| 86 | Neurochemistry | 38 | 1.2K | 775 | 819 |
| 87 | personality | 18 | 1.2K | 600 | 449 |
| 88 | Soft Condensed Matter | 27 | 1.2K | 338 | 230 |
| 88 | Colloids | 27 | 1.2K | 1605 | 1348 |
| 88 | biopolymers | 27 | 1.2K | 347 | 244 |
| 91 | Physiology | 36 | 1.2K | 1573 | 1451 |
| 91 | Mental Health Services | 63 | 1.2K | 143 | 168 |
| 93 | Eating Disorders | 54 | 1.2K | 108 | 160 |
| 94 | Oncology | 6 | 1.1K | 2072 | 1171 |
| 95 | Spectrum analysis | 30 | 1.1K | 1944 | 1576 |
| 96 | Pollution | 25 | 1.1K | 2559 | 2266 |
| 97 | Genetics | 16 | 1.1K | 2218 | 1674 |
| 98 | Psychiatric Epidemiology | 46 | 1.1K | 35 | 68 |
| 99 | Neonatology | 8 | 1.1K | 357 | 48 |
| 100 | Human genetics | 17 | 1.1K | 1277 | 1853 |
| 101 | Geriatrics | 45 | 1.1K | 781 | 700 |
| 102 | Feeding and Eating Disorders | 52 | 1.1K | 98 | 161 |
| 103 | Hydrometeorology | 12 | 1.1K | 93 | 64 |
| 104 | Nuclear Physics | 23 | 1.1K | 2362 | 1642 |
| 105 | blood transfusion | 32 | 1.1K | 177 | 109 |
| 106 | Toxicology | 30 | 1.0K | 1939 | 1722 |
| 107 | Transportation | 69 | 993 | 258 | 406 |
| 108 | Obesity | 22 | 952 | 845 | 731 |
| 109 | Statistics | 30 | 939 | 1013 | 683 |
| 110 | Medical genetics | 21 | 928 | 1500 | 1508 |
| 111 | Child psychology | 33 | 895 | 420 | 552 |
| 112 | Social Psychology | 40 | 882 | 552 | 684 |
| 113 | Freeze-Drying | 29 | 880 | 57 | 26 |
| 113 | Hypothermia | 29 | 880 | 57 | 26 |
| 113 | Freeze Drying | 29 | 880 | 57 | 26 |
| 116 | Education | 82 | 876 | 664 | 762 |
| 117 | genome | 6 | 864 | 1407 | 756 |
| 118 | Botany | 42 | 852 | 1394 | 1662 |
| 119 | Astrophysics | 26 | 849 | 1703 | 1574 |
| 120 | Neuropsychiatry | 39 | 841 | 124 | 212 |
| 121 | Soil Mechanics | 28 | 840 | 379 | 351 |
| 122 | Criminal psychology | 35 | 836 | 160 | 163 |
| 123 | Hippocampus | 17 | 817 | 68 | 96 |
| 124 | biological evolution | 14 | 802 | 1128 | 984 |
| 125 | Molecules | 1 | 796 | 2709 | 462 |
| 126 | Forensic Psychiatry | 32 | 781 | 91 | 63 |
| 127 | Family | 32 | 775 | 205 | 209 |
| 128 | brain mapping | 26 | 768 | 161 | 239 |
| 129 | Biophysics | 32 | 761 | 2573 | 2526 |
| 130 | Memory | 29 | 756 | 655 | 726 |
| 131 | Transplantation | 9 | 752 | 903 | 566 |
| 132 | Intellectual disability | 18 | 748 | 308 | 206 |
| 133 | counseling | 41 | 732 | 270 | 330 |
| 134 | Production Management | 4 | 729 | 1069 | 511 |
| 135 | Primary health care | 33 | 724 | 428 | 391 |
| 136 | Earth Sciences | 16 | 723 | 1803 | 1190 |
| 137 | Marine Biology | 19 | 720 | 1286 | 1033 |
| 138 | environmental pollution | 14 | 719 | 2755 | 2129 |
| 139 | Pathology | 13 | 714 | 1468 | 1114 |
| 140 | Fluid Mechanics | 42 | 713 | 430 | 500 |
| 141 | Sociology | 31 | 709 | 918 | 853 |
| 142 | Chronobiology | 8 | 706 | 197 | 45 |
| 142 | Circadian rhythms | 8 | 706 | 114 | 42 |
| 142 | biological clocks | 8 | 706 | 197 | 45 |
| 142 | circadian rhythm | 8 | 706 | 197 | 45 |
| 142 | biological rhythms | 8 | 706 | 174 | 45 |
| 147 | Environmental Engineering | 20 | 698 | 1850 | 1619 |
| 148 | Neuropharmacology | 18 | 693 | 130 | 106 |
| 149 | Pediatric Neurology | 13 | 691 | 576 | 720 |
| 150 | optical instruments | 16 | 680 | 155 | 111 |
| 151 | Electronics | 34 | 679 | 1318 | 1109 |
| 151 | Social behavior | 26 | 679 | 332 | 408 |
| 153 | Adolescent | 31 | 677 | 585 | 599 |
| 154 | Learning disabilities | 36 | 670 | 154 | 181 |
| 155 | Cognition | 16 | 662 | 816 | 670 |
| 156 | nuclear magnetic resonance | 12 | 661 | 659 | 348 |
| 156 | Magnetic Resonance Spectroscopy | 12 | 661 | 730 | 354 |
| 158 | Developmental Psychology | 21 | 660 | 359 | 415 |
| 159 | Composite Materials | 33 | 659 | 919 | 1246 |
| 160 | Metals | 31 | 645 | 780 | 829 |
| 161 | Psychosomatic Medicine | 18 | 640 | 304 | 313 |
| 162 | Materials Science | 45 | 621 | 1647 | 2271 |
| 163 | Learning | 15 | 620 | 595 | 490 |
| 164 | Health Education | 38 | 616 | 454 | 528 |
| 165 | Health Services Research | 32 | 614 | 420 | 495 |
| 166 | Fisheries | 34 | 605 | 465 | 591 |
| 167 | Tourism | 20 | 596 | 556 | 618 |
| 167 | Personality Disorders | 8 | 596 | 143 | 80 |
| 169 | sexual behavior | 9 | 592 | 350 | 173 |
| 170 | Water pollution | 14 | 586 | 1539 | 1349 |
| 171 | marketing | 13 | 582 | 992 | 757 |
| 172 | Family Therapy | 27 | 573 | 171 | 154 |
| 173 | Marine mammals | 19 | 571 | 66 | 61 |
| 174 | diseases | 1 | 564 | 827 | 525 |
| 174 | Disease | 1 | 564 | 839 | 514 |
| 176 | Marriage | 24 | 561 | 98 | 105 |
| 177 | Post-traumatic stress disorder | 20 | 557 | 234 | 268 |
| 178 | Radiobiology | 11 | 556 | 1109 | 715 |
| 179 | Marriage counseling | 23 | 554 | 49 | 68 |
| 180 | Anthropology | 18 | 552 | 724 | 416 |
| 181 | Medical Anthropology | 19 | 548 | 447 | 586 |
| 182 | Metallurgy | 29 | 537 | 907 | 944 |
| 183 | Medical Oncology | 10 | 536 | 1387 | 977 |
| 184 | drug therapy | 27 | 534 | 930 | 1127 |
| 185 | Wildlife conservation | 19 | 529 | 459 | 601 |
| 186 | Geology | 28 | 526 | 1318 | 1369 |
| 187 | Public Policy | 31 | 523 | 438 | 617 |
| 188 | Astrocytes | 7 | 518 | 340 | 270 |
| 189 | Social Sciences | 38 | 517 | 1013 | 901 |
| 189 | polymerization | 33 | 517 | 1650 | 1899 |
| 191 | Roads | 60 | 515 | 119 | 187 |
| 191 | Evolution | 9 | 515 | 1325 | 1021 |
| 193 | Control Theory | 33 | 511 | 489 | 525 |
| 194 | Zoology | 35 | 500 | 853 | 947 |
| 194 | Chemotherapy | 22 | 500 | 516 | 572 |
| 196 | Environmental Policy | 22 | 491 | 1278 | 1823 |
| 197 | Civil Engineering | 114 | 478 | 113 | 349 |
| 198 | Neurons | 4 | 471 | 691 | 836 |
| 199 | Economic History | 28 | 470 | 1349 | 1113 |
| 199 | Medical Physics | 15 | 470 | 890 | 745 |
| 199 | Water | 11 | 470 | 1588 | 1552 |
| 202 | Data Mining | 6 | 465 | 1395 | 617 |
| 202 | data collection | 6 | 465 | 906 | 411 |
| 204 | Cytology | 17 | 464 | 2570 | 3006 |
| 205 | Agricultural Ecology | 5 | 463 | 1065 | 633 |
| 206 | Statistical Mechanics | 25 | 462 | 342 | 268 |
| 206 | Magnetohydrodynamics | 25 | 462 | 109 | 133 |
| 208 | Marine Pollution | 7 | 457 | 923 | 589 |
| 208 | commerce | 4 | 457 | 1665 | 600 |
| 210 | Nuclear Fusion | 22 | 450 | 252 | 241 |
| 211 | Substance Abuse | 41 | 446 | 324 | 554 |
| 212 | Biogeography | 4 | 445 | 1007 | 670 |
| 213 | United Kingdom | 4 | 444 | 1775 | 896 |
| 214 | pain | 12 | 442 | 812 | 776 |
| 215 | ecosystem | 2 | 441 | 1944 | 783 |
| 216 | Perception | 22 | 438 | 812 | 982 |
| 217 | Ferroelectricity | 5 | 429 | 874 | 170 |
| 218 | Ergonomics | 53 | 424 | 164 | 329 |
| 219 | Geophysics | 30 | 423 | 1587 | 2012 |
| 220 | Mechanical Engineering | 31 | 422 | 843 | 763 |
| 221 | Engineering Geology | 12 | 421 | 801 | 663 |
| 221 | consumer behavior | 8 | 421 | 282 | 212 |
| 223 | Reproduction | 15 | 420 | 1316 | 1156 |
| 224 | Europe | 24 | 408 | 1341 | 1302 |
| 225 | Computer Graphics | 14 | 407 | 816 | 675 |
| 226 | Rock Mechanics | 15 | 406 | 431 | 436 |
| 227 | Health | 36 | 405 | 583 | 1020 |
| 228 | psychotherapy | 25 | 401 | 462 | 669 |
| 229 | Inflammation | 5 | 397 | 1197 | 622 |
| 230 | Geotechnical Engineering | 12 | 396 | 332 | 274 |
| 231 | older people | 19 | 394 | 628 | 431 |
| 232 | Conservation Biology | 15 | 384 | 500 | 614 |
| 232 | Electrochemistry | 15 | 384 | 2407 | 2037 |
| 232 | Agriculture | 21 | 384 | 915 | 1065 |
| 235 | Naval Architecture | 5 | 382 | 264 | 66 |
| 236 | Hydrodynamics | 4 | 381 | 588 | 276 |
| 237 | Occupational Therapy | 25 | 378 | 264 | 190 |
| 238 | Social work | 29 | 376 | 386 | 409 |
| 239 | Engineering Mathematics | 13 | 374 | 1477 | 764 |
| 240 | Forensic Psychology | 14 | 369 | 122 | 86 |
| 240 | Biodiversity conservation | 17 | 369 | 792 | 1385 |
| 242 | Adolescent Medicine | 8 | 368 | 382 | 533 |
| 243 | Criminology | 13 | 365 | 476 | 327 |
| 243 | crime | 10 | 365 | 380 | 212 |
| 245 | violence | 14 | 364 | 405 | 411 |
| 246 | finance | 17 | 359 | 1075 | 942 |
| 247 | International Finance | 7 | 351 | 1222 | 698 |
| 248 | Genomics | 13 | 349 | 2061 | 2031 |
| 249 | preventive medicine | 17 | 347 | 548 | 757 |
| 250 | Therapeutics | 12 | 342 | 1073 | 1247 |
| 251 | weather forecasting | 22 | 339 | 40 | 85 |
| 252 | Anxiety Disorders | 8 | 336 | 317 | 398 |
| 252 | Anxiety | 8 | 336 | 313 | 402 |
| 254 | Molecular Genetics | 9 | 335 | 1305 | 1310 |
| 255 | Information Science | 10 | 325 | 1604 | 1335 |
| 256 | Sustainable Development | 5 | 323 | 1977 | 1072 |
| 257 | Biocompatible Materials | 7 | 318 | 3119 | 2875 |
| 258 | Biomedical Engineering | 15 | 309 | 2988 | 3154 |
| 258 | Depression | 7 | 309 | 199 | 300 |
| 260 | Cell Biology | 15 | 308 | 2594 | 3499 |
| 261 | city planning | 15 | 306 | 761 | 703 |
| 262 | health services accessibility | 10 | 303 | 490 | 371 |
| 263 | Computational Biology | 8 | 300 | 2300 | 1676 |
| 263 | Regional Planning | 18 | 300 | 670 | 724 |
| 265 | Bipolar Disorder | 18 | 297 | 113 | 235 |
| 266 | Psychiatric hospitals | 9 | 295 | 182 | 149 |
| 267 | Mineralogy | 11 | 294 | 866 | 783 |
| 267 | Computer-Aided Design | 12 | 294 | 591 | 536 |
| 269 | Cytogenetics | 6 | 291 | 1436 | 1378 |
| 270 | Emergency Medicine | 8 | 290 | 1202 | 695 |
| 270 | air | 15 | 290 | 57 | 138 |
| 270 | radioactive waste | 1 | 290 | 1656 | 621 |
| 270 | industrial waste | 1 | 290 | 1710 | 625 |
| 270 | Hazardous waste | 1 | 290 | 1913 | 666 |
| 270 | Climate | 15 | 290 | 174 | 317 |
| 276 | Health promotion | 19 | 288 | 550 | 811 |
| 277 | Nuclear Engineering | 34 | 284 | 377 | 430 |
| 278 | health services | 24 | 280 | 286 | 462 |
| 278 | Biodiversity | 10 | 280 | 1492 | 1448 |
| 280 | Research Design | 11 | 274 | 643 | 704 |
| 281 | Developmental Biology | 8 | 273 | 1558 | 1689 |
| 282 | Microbial Ecology | 6 | 272 | 2021 | 1990 |
| 283 | Fluid Dynamics | 7 | 271 | 929 | 618 |
| 284 | Plant diseases | 5 | 270 | 1900 | 1074 |
| 285 | Fracture mechanics | 20 | 269 | 593 | 745 |
| 286 | Sports | 44 | 267 | 526 | 993 |
| 286 | Brain damage | 9 | 267 | 214 | 225 |
| 288 | locomotion | 1 | 265 | 1362 | 349 |
| 288 | posture | 1 | 265 | 1362 | 349 |
| 288 | gait | 1 | 265 | 1362 | 349 |
| 288 | walking | 1 | 265 | 1362 | 349 |
| 292 | Photography | 131 | 263 | 358 | 511 |
| 293 | Clinical Chemistry | 11 | 261 | 2026 | 2273 |
| 294 | Nanostructures | 3 | 258 | 2724 | 1525 |
| 294 | fusion reactors | 11 | 258 | 261 | 156 |
| 296 | alcoholism | 18 | 257 | 613 | 933 |
| 297 | Structural Engineering | 23 | 256 | 703 | 901 |
| 298 | toxicity testing | 4 | 255 | 731 | 356 |
| 298 | Statistical physics | 6 | 255 | 3329 | 2297 |
| 300 | Child welfare | 14 | 254 | 445 | 479 |
| 300 | rehabilitation | 19 | 254 | 916 | 1343 |
| 302 | mammals | 11 | 250 | 550 | 523 |
| 303 | plant molecular biology | 4 | 249 | 1585 | 1316 |
| 304 | Transport | 10 | 246 | 297 | 380 |
| 304 | Sea | 10 | 246 | 258 | 305 |
| 304 | Fishery resources | 10 | 246 | 292 | 337 |
| 304 | Planets | 8 | 246 | 1277 | 1382 |
| 308 | cross-cultural comparison | 16 | 245 | 111 | 143 |
| 309 | Microbial Genetics | 3 | 244 | 413 | 211 |
| 309 | Environmental Management | 10 | 244 | 1925 | 2393 |
| 309 | phytopathogenic bacteria | 3 | 244 | 287 | 203 |
| 312 | Energy Policy | 6 | 241 | 2282 | 2235 |
| 312 | feeding behavior | 12 | 241 | 348 | 469 |
| 314 | population trends | 2 | 240 | 113 | 96 |
| 314 | Demographic research | 2 | 240 | 187 | 118 |
| 314 | Attention | 21 | 240 | 767 | 1280 |
| 317 | Community Psychology | 8 | 239 | 325 | 378 |
| 318 | Public Administration | 28 | 238 | 395 | 603 |
| 319 | Electrical Engineering | 39 | 237 | 1175 | 1423 |
| 320 | Obstetrics | 13 | 235 | 1587 | 1714 |
| 320 | Geochemistry | 9 | 235 | 1497 | 1536 |
| 320 | Visual Perception | 20 | 235 | 776 | 1272 |
| 323 | sanitation | 5 | 234 | 1499 | 1615 |
| 324 | Wildlife management | 20 | 233 | 190 | 255 |
| 325 | Econometrics | 4 | 232 | 1398 | 736 |
| 325 | machinery | 4 | 232 | 835 | 319 |
| 327 | Analytical Chemistry | 13 | 231 | 2951 | 3278 |
| 327 | Metabolism | 6 | 231 | 2647 | 2557 |
| 327 | Social perception | 2 | 231 | 176 | 80 |
| 327 | energy resources | 4 | 231 | 1374 | 1357 |
| 331 | mass transfer | 7 | 229 | 1319 | 1124 |
| 332 | Hydrology | 12 | 227 | 1550 | 1619 |
| 332 | Biomass Energy | 5 | 227 | 2407 | 2100 |
| 334 | health planning | 15 | 225 | 976 | 1136 |
| 335 | natural history museums | 4 | 224 | 69 | 9 |
| 336 | health behavior | 5 | 221 | 859 | 587 |
| 336 | medical education | 12 | 221 | 1075 | 994 |
| 338 | Paleontology | 13 | 218 | 749 | 746 |
| 339 | Neurotransmitters | 3 | 216 | 653 | 242 |
| 339 | gene therapy | 2 | 216 | 1758 | 1058 |
| 341 | Virology | 3 | 212 | 3873 | 3305 |
| 342 | Molecular evolution | 5 | 211 | 1421 | 1266 |
| 343 | Population Genetics | 8 | 208 | 880 | 1056 |
| 344 | Building Materials | 4 | 207 | 1800 | 1450 |
| 345 | Bibliometrics | 3 | 205 | 146 | 70 |
| 346 | Randomized Controlled Trials | 8 | 203 | 842 | 523 |
| 347 | Special Education | 11 | 202 | 379 | 327 |
| 348 | nanoscience | 4 | 201 | 3049 | 2453 |
| 349 | Histology | 6 | 200 | 1659 | 1535 |
| 349 | Chromatographic analysis | 10 | 200 | 1229 | 1109 |
| 351 | nucleic acids | 13 | 198 | 1048 | 1735 |
| 352 | Philosophy | 10 | 197 | 1130 | 497 |
| 353 | Quality of life | 12 | 196 | 719 | 1161 |
| 353 | Aggression | 5 | 196 | 367 | 338 |
| 355 | Investment analysis | 11 | 195 | 292 | 396 |
| 356 | economic policy | 14 | 194 | 1335 | 1169 |
| 357 | Renewable Energy Sources | 4 | 190 | 2802 | 2784 |
| 357 | industrial relations | 9 | 190 | 492 | 395 |
| 359 | Solar Energy | 7 | 189 | 1345 | 1481 |
| 360 | Medical Microbiology | 9 | 188 | 1753 | 2353 |
| 360 | Restoration Ecology | 6 | 188 | 306 | 261 |
| 360 | Fishery management | 14 | 188 | 371 | 489 |
| 360 | Enteral nutrition | 1 | 188 | 1852 | 755 |
| 360 | Parenteral nutrition | 1 | 188 | 2167 | 935 |
| 365 | Biotechnology | 15 | 187 | 3866 | 5577 |
| 365 | Appetite | 10 | 187 | 342 | 500 |
| 367 | Sports Medicine | 49 | 186 | 616 | 1563 |
| 367 | Cognitive Science | 10 | 186 | 838 | 1130 |
| 367 | Vocational guidance | 11 | 186 | 422 | 611 |
| 370 | Speech Disorders | 7 | 185 | 765 | 687 |
| 370 | Social policy | 10 | 185 | 567 | 471 |
| 372 | impact | 5 | 184 | 272 | 271 |
| 373 | Molecular ecology | 5 | 182 | 1015 | 1157 |
| 374 | Law | 16 | 180 | 708 | 385 |
| 374 | Membranes | 1 | 180 | 3068 | 1699 |
| 376 | Archaeology | 10 | 179 | 847 | 772 |
| 377 | Environmental monitoring | 9 | 178 | 2919 | 3646 |
| 378 | Ore deposits | 2 | 177 | 737 | 391 |
| 379 | Metabolic diseases | 5 | 176 | 2436 | 2522 |
| 379 | Asia | 27 | 176 | 812 | 1360 |
| 381 | Leadership | 3 | 175 | 544 | 432 |
| 382 | Gene expression regulation | 4 | 174 | 1087 | 946 |
| 383 | Astronomy | 12 | 173 | 1956 | 2446 |
| 383 | Neuroanatomy | 3 | 173 | 255 | 126 |
| 385 | Educational Psychology | 7 | 172 | 1022 | 972 |
| 386 | infection | 11 | 171 | 1032 | 1538 |
| 387 | Hydraulic machinery | 2 | 170 | 195 | 18 |
| 388 | Artificial Intelligence | 8 | 168 | 2954 | 2640 |
| 388 | Well-being | 1 | 168 | 345 | 53 |
| 390 | Building | 14 | 166 | 370 | 388 |
| 391 | Nuclear Medicine | 6 | 165 | 948 | 836 |
| 391 | behavioral medicine | 13 | 165 | 619 | 1200 |
| 393 | Birds | 19 | 164 | 501 | 686 |
| 393 | Sales management | 1 | 164 | 405 | 290 |
| 393 | selling | 1 | 164 | 405 | 290 |
| 396 | Cross-Cultural Studies | 12 | 163 | 227 | 325 |
| 396 | Chromatography | 9 | 163 | 1110 | 1186 |
| 396 | Auditing | 3 | 163 | 422 | 259 |
| 399 | Histochemistry | 2 | 162 | 1713 | 794 |
| 399 | Cognitive neuroscience | 12 | 162 | 517 | 918 |
| 399 | Meteorites | 3 | 162 | 1098 | 1031 |
| 402 | Diagnostic microbiology | 2 | 161 | 2015 | 1778 |
| 403 | Gerontology | 13 | 160 | 1063 | 1252 |
| 404 | Cell differentiation | 4 | 158 | 1884 | 2039 |
| 404 | Pregnancy | 7 | 158 | 625 | 560 |
| 406 | DNA methylation | 3 | 157 | 321 | 258 |
| 406 | Communication | 12 | 157 | 1126 | 1214 |
| 408 | Systems Biology | 13 | 155 | 821 | 1147 |
| 408 | Reading | 10 | 155 | 283 | 367 |
| 410 | Nursing | 14 | 152 | 942 | 1011 |
| 410 | Palliative Care | 9 | 152 | 557 | 573 |
| 412 | Diagnostic Imaging | 6 | 150 | 1934 | 1658 |
| 412 | fertility | 9 | 150 | 797 | 1149 |
| 414 | Plastics | 5 | 149 | 1661 | 1230 |
| 414 | natural disasters | 6 | 149 | 1082 | 1090 |
| 416 | Homeostasis | 2 | 148 | 682 | 1056 |
| 416 | Cell metabolism | 2 | 148 | 1066 | 1134 |
| 418 | Bioengineering | 12 | 147 | 2907 | 4544 |
| 419 | Physical Therapy | 8 | 146 | 943 | 1247 |
| 419 | Molecular Imaging | 5 | 146 | 673 | 721 |
| 419 | Animal ecology | 14 | 146 | 594 | 965 |
| 419 | families | 4 | 146 | 819 | 470 |
| 423 | industrial hygiene | 9 | 144 | 652 | 511 |
| 423 | Neuroendocrinology | 2 | 144 | 221 | 211 |
| 425 | Semiconductors | 7 | 142 | 1764 | 1455 |
| 425 | Developmental Neurobiology | 5 | 142 | 463 | 378 |
| 427 | Ornithology | 15 | 141 | 472 | 636 |
| 428 | Diabetes mellitus | 14 | 140 | 1257 | 2482 |
| 429 | Psychiatric Nursing | 7 | 139 | 443 | 369 |
| 430 | Technology | 55 | 138 | 1015 | 3472 |
| 430 | Radioisotopes | 8 | 138 | 886 | 761 |
| 430 | hazard mitigation | 5 | 138 | 814 | 726 |
| 433 | Exercise | 5 | 137 | 1189 | 858 |
| 434 | Radiation | 9 | 136 | 1576 | 1670 |
| 435 | Smart Materials | 5 | 135 | 818 | 666 |
| 435 | Entrepreneurship | 5 | 135 | 881 | 980 |
| 435 | Jurisprudence | 11 | 135 | 530 | 594 |
| 438 | Humanities | 5 | 134 | 1838 | 615 |
| 438 | child abuse | 10 | 134 | 434 | 774 |
| 438 | Entomology | 13 | 134 | 1453 | 1626 |
| 441 | Biochemical Engineering | 10 | 133 | 2274 | 4020 |
| 441 | Advertising | 8 | 133 | 176 | 338 |
| 441 | Personality Assessment | 4 | 133 | 525 | 539 |
| 441 | biological invasions | 3 | 133 | 752 | 553 |
| 445 | Psycholinguistics | 2 | 132 | 1301 | 854 |
| 445 | Neurolinguistics | 2 | 132 | 632 | 452 |
| 445 | Climate change | 4 | 132 | 1080 | 1635 |
| 445 | Eutrophication | 4 | 132 | 1044 | 1607 |
| 445 | Suicide | 10 | 132 | 271 | 410 |
| 450 | Smoking | 4 | 130 | 740 | 711 |
| 450 | Developing countries | 24 | 130 | 774 | 1933 |
| 450 | Soil ecology | 1 | 130 | 1453 | 805 |
| 453 | government | 18 | 129 | 226 | 420 |
| 454 | public works | 4 | 128 | 162 | 90 |
| 455 | mental health policy | 10 | 127 | 93 | 155 |
| 455 | East Asia | 1 | 127 | 1418 | 222 |
| 457 | sex crimes | 7 | 125 | 401 | 457 |
| 458 | Human evolution | 3 | 124 | 488 | 465 |
| 458 | chromatin | 2 | 124 | 232 | 153 |
| 458 | drug addiction | 10 | 124 | 681 | 1147 |
| 461 | Herpetology | 4 | 123 | 327 | 139 |
| 461 | behavior therapy | 11 | 123 | 452 | 734 |
| 461 | Amphibians | 3 | 123 | 331 | 84 |
| 461 | Reptiles | 4 | 123 | 313 | 122 |
| 465 | Phylogeny | 3 | 122 | 1092 | 1054 |
| 466 | individual differences | 1 | 120 | 531 | 281 |
| 466 | Aquatic ecology | 6 | 120 | 789 | 815 |
| 468 | Ethics | 5 | 119 | 844 | 569 |
| 468 | Cardiovascular diseases | 3 | 119 | 2092 | 1410 |
| 470 | environmental exposure | 5 | 117 | 1861 | 2001 |
| 470 | Birth control | 7 | 117 | 272 | 400 |
| 472 | Religion | 6 | 115 | 884 | 270 |
| 473 | Language Acquisition | 7 | 113 | 265 | 332 |
| 474 | Cheminformatics | 2 | 112 | 513 | 413 |
| 474 | Diabetes | 13 | 112 | 1363 | 2741 |
| 476 | Ceramics | 8 | 111 | 1220 | 1301 |
| 476 | Glass | 7 | 111 | 899 | 1154 |
| 476 | pottery | 7 | 111 | 864 | 1136 |
| 476 | Emotions | 4 | 111 | 576 | 662 |
| 476 | language | 3 | 111 | 886 | 691 |
| 481 | Ecosystem management | 5 | 110 | 586 | 678 |
| 482 | Sociobiology | 2 | 109 | 406 | 189 |
| 482 | Literacy | 5 | 109 | 222 | 165 |
| 482 | Consciousness | 2 | 109 | 674 | 404 |
| 485 | Freshwater invertebrates | 5 | 108 | 162 | 261 |
| 486 | Venture Capital | 3 | 107 | 311 | 505 |
| 487 | Stem cells | 4 | 106 | 1785 | 1892 |
| 488 | Systems Engineering | 30 | 105 | 554 | 1616 |
| 488 | Natural resources | 2 | 105 | 1104 | 829 |
| 490 | Anatomy | 4 | 104 | 2180 | 2048 |
| 490 | Occupational Health | 4 | 104 | 1245 | 888 |
| 490 | Mathematical Physics | 7 | 104 | 2655 | 2285 |
| 490 | occupational diseases | 2 | 104 | 1480 | 1000 |
| 490 | Biomechanics | 3 | 104 | 1815 | 1437 |
| 490 | Futures | 6 | 104 | 213 | 249 |
| 490 | Speech | 2 | 104 | 1225 | 857 |
| 497 | Educational Technology | 5 | 103 | 1363 | 1204 |
| 498 | Reproductive health | 5 | 102 | 680 | 731 |
| 498 | extraterrestrial environment | 20 | 102 | 156 | 451 |
| 498 | astronomical phenomena | 20 | 102 | 145 | 409 |
| 501 | Educational Anthropology | 1 | 101 | 245 | 62 |
| 501 | Ultrasonics | 2 | 101 | 1623 | 1292 |
| 501 | Teaching | 11 | 101 | 961 | 1269 |
| 501 | Ultrasound | 2 | 101 | 850 | 565 |
| 501 | Investments | 12 | 101 | 180 | 324 |
| 506 | cell physiology | 6 | 100 | 1365 | 2077 |
| 506 | Economic planning | 5 | 100 | 365 | 404 |
| 508 | Travel | 9 | 99 | 453 | 676 |
| 508 | histological techniques | 1 | 99 | 1417 | 987 |
| 510 | Criminal Law | 4 | 98 | 262 | 185 |
| 510 | Genes | 5 | 98 | 1049 | 1122 |
| 512 | Regional Development | 3 | 96 | 295 | 257 |
| 512 | Development planning | 3 | 96 | 251 | 235 |
| 512 | Biometrics | 5 | 96 | 1017 | 1045 |
| 515 | solar power | 2 | 95 | 1231 | 1142 |
| 515 | Ethnology | 6 | 95 | 1235 | 1041 |
| 515 | solar cells | 2 | 95 | 1350 | 1244 |
| 515 | Women's health | 9 | 95 | 790 | 1236 |
| 519 | Paleoclimatology | 5 | 94 | 1006 | 1232 |
| 519 | visualization | 16 | 94 | 666 | 702 |
| 519 | innovation | 1 | 94 | 1217 | 824 |
| 522 | Forest Management | 10 | 93 | 600 | 1165 |
| 523 | Green Chemistry | 3 | 92 | 2007 | 2213 |
| 523 | Paleogeography | 5 | 92 | 848 | 1075 |
| 523 | Crystal growth | 3 | 92 | 1275 | 1090 |
| 523 | Population | 6 | 92 | 828 | 997 |
| 527 | Physical fitness | 5 | 91 | 956 | 1052 |
| 527 | Money | 4 | 91 | 276 | 372 |
| 529 | Chromosome mapping | 3 | 90 | 2393 | 2441 |
| 529 | gene mapping | 3 | 90 | 2624 | 2742 |
| 531 | Atmospheric Physics | 4 | 89 | 1708 | 1818 |
| 531 | Magnetic Materials | 3 | 89 | 1717 | 1498 |
| 531 | Mycology | 7 | 89 | 1331 | 1796 |
| 531 | Optical materials | 3 | 89 | 2956 | 2881 |
| 531 | Tropical Medicine | 8 | 89 | 1417 | 1814 |
| 531 | drug abuse | 7 | 89 | 419 | 608 |
| 537 | Animal breeding | 3 | 88 | 898 | 739 |
| 537 | intervention | 3 | 88 | 108 | 52 |
| 537 | consumers | 4 | 88 | 320 | 349 |
| 537 | Solar System | 5 | 88 | 797 | 933 |
| 541 | Structural design | 5 | 87 | 751 | 815 |
| 542 | Neurosurgery | 12 | 86 | 689 | 1370 |
| 542 | Infections | 4 | 86 | 1351 | 1766 |
| 544 | Paleoecology | 5 | 85 | 969 | 1194 |
| 544 | Systems Analysis | 11 | 85 | 536 | 1013 |
| 544 | System analysis | 16 | 85 | 1203 | 2400 |
| 544 | Electrophysiology | 3 | 85 | 1434 | 1097 |
| 548 | Manufacturing Processes | 8 | 84 | 1761 | 2336 |
| 548 | Recombinant DNA | 3 | 84 | 1961 | 1792 |
| 550 | family violence | 6 | 83 | 293 | 464 |
| 550 | Chronic diseases | 3 | 83 | 888 | 1062 |
| 552 | International Relations | 4 | 82 | 1233 | 727 |
| 552 | Social welfare | 9 | 82 | 296 | 461 |
| 554 | Career development | 3 | 81 | 442 | 297 |
| 555 | Plant Ecology | 2 | 80 | 2421 | 2187 |
| 555 | Breeding | 3 | 80 | 1476 | 1392 |
| 557 | Demography | 2 | 79 | 1070 | 788 |
| 557 | Image Processing | 7 | 79 | 1616 | 2222 |
| 557 | epilepsy | 3 | 79 | 1218 | 1112 |
| 557 | Parasitology | 8 | 79 | 1920 | 2579 |
| 557 | Informatics | 1 | 79 | 1726 | 957 |
| 562 | Robotics | 1 | 78 | 3049 | 1701 |
| 562 | Signal Transduction | 2 | 78 | 2100 | 2015 |
| 562 | Human-Computer Interaction | 2 | 78 | 2230 | 1551 |
| 562 | Virtual reality | 1 | 78 | 859 | 339 |
| 562 | recreation | 6 | 78 | 512 | 501 |
| 562 | police | 9 | 78 | 189 | 237 |
| 568 | Ophthalmology | 3 | 77 | 2222 | 2101 |
| 568 | Urban Economics | 4 | 77 | 317 | 489 |
| 568 | Economic Development | 11 | 77 | 974 | 2013 |
| 568 | Bacterial infections | 6 | 77 | 704 | 1413 |
| 572 | Political Science | 8 | 76 | 1351 | 1329 |
| 572 | environmental indicators | 3 | 76 | 1387 | 1560 |
| 574 | Plant physiology | 2 | 75 | 2870 | 2707 |
| 575 | Quantum electronics | 3 | 74 | 1356 | 731 |
| 575 | Bioinformatics | 4 | 74 | 2236 | 2444 |
| 575 | Social Change | 4 | 74 | 974 | 1420 |
| 578 | Neonatal Nursing | 8 | 73 | 32 | 29 |
| 578 | Genetic engineering | 3 | 73 | 2783 | 3001 |
| 578 | Neonatal intensive care | 8 | 73 | 27 | 27 |
| 578 | Liposomes | 5 | 73 | 450 | 640 |
| 578 | Lipid bilayers | 5 | 73 | 382 | 532 |
| 583 | Catalysis | 1 | 72 | 5165 | 4004 |
| 583 | Analytical Biochemistry | 3 | 72 | 2226 | 2169 |
| 583 | Parasitic Diseases | 4 | 72 | 2392 | 2646 |
| 586 | Hypertension | 5 | 71 | 1659 | 2547 |
| 586 | Patient education | 1 | 71 | 1301 | 885 |
| 586 | correctional psychology | 3 | 71 | 242 | 298 |
| 589 | Computer Vision | 5 | 70 | 1051 | 1584 |
| 589 | Quality Control | 6 | 70 | 1523 | 2183 |
| 589 | disabilities | 5 | 70 | 651 | 868 |
| 592 | Disability Studies | 3 | 69 | 337 | 220 |
| 592 | urban health | 5 | 69 | 209 | 403 |
| 592 | Water quality management | 7 | 69 | 1388 | 2059 |
| 595 | hospice care | 5 | 68 | 475 | 531 |
| 595 | Bioorganic chemistry | 9 | 68 | 2106 | 3493 |
| 597 | Lipids | 2 | 66 | 2008 | 2040 |
| 597 | disease vectors | 3 | 66 | 1216 | 1268 |
| 597 | child behavior | 2 | 66 | 555 | 550 |
| 600 | Aquatic ecosystems | 1 | 65 | 419 | 117 |
| 601 | Sound | 3 | 64 | 1047 | 593 |
| 602 | Nanoelectronics | 3 | 63 | 1058 | 805 |
| 602 | Microelectronics | 3 | 63 | 2187 | 2339 |
| 602 | Adhesion | 2 | 63 | 1053 | 716 |
| 602 | Carbon | 6 | 63 | 1143 | 2099 |
| 602 | adhesives | 2 | 63 | 1123 | 723 |
| 607 | Semiconductor industry | 2 | 62 | 956 | 648 |
| 608 | Linguistics | 4 | 61 | 1588 | 1201 |
| 608 | animals | 6 | 61 | 1096 | 1319 |
| 608 | Radio | 3 | 61 | 1033 | 724 |
| 608 | Credit | 3 | 61 | 102 | 177 |
| 612 | vibration | 5 | 60 | 1198 | 1427 |
| 612 | Radio frequency | 1 | 60 | 754 | 371 |
| 614 | disarmament | 3 | 59 | 209 | 172 |
| 614 | Insects | 4 | 59 | 1614 | 1588 |
| 614 | Aquaculture | 4 | 59 | 1540 | 1716 |
| 617 | Cybernetics | 4 | 58 | 1366 | 1621 |
| 617 | Neuroimaging | 6 | 58 | 200 | 315 |
| 617 | Process Control | 2 | 58 | 1251 | 1545 |
| 617 | mental processes | 6 | 58 | 241 | 349 |
| 621 | Pharmacy | 6 | 57 | 1893 | 2919 |
| 621 | Bryology | 9 | 57 | 102 | 189 |
| 621 | Higher Education | 3 | 57 | 635 | 569 |
| 621 | occupational health and safety | 5 | 57 | 189 | 235 |
| 621 | Behavioral research | 10 | 57 | 138 | 350 |
| 621 | Organ transplantation | 3 | 57 | 517 | 407 |
| 621 | Educational measurement | 6 | 57 | 114 | 177 |
| 621 | Estuaries | 1 | 57 | 331 | 310 |
| 621 | DNA | 3 | 57 | 729 | 755 |
| 621 | freshwater biology | 2 | 57 | 1392 | 1234 |
| 621 | Zoonoses | 2 | 57 | 473 | 485 |
| 632 | Information Technology | 7 | 56 | 2011 | 2616 |
| 632 | Agricultural Science | 2 | 56 | 325 | 490 |
| 632 | Physical Chemistry | 6 | 56 | 2036 | 2858 |
| 632 | Hemodynamics | 2 | 56 | 917 | 1137 |
| 632 | Instructional systems | 5 | 56 | 100 | 165 |
| 632 | children | 4 | 56 | 519 | 709 |
| 638 | Telemedicine | 5 | 55 | 265 | 593 |
| 638 | arthritis | 1 | 55 | 2363 | 2171 |
| 638 | Multiple sclerosis | 9 | 55 | 322 | 569 |
| 641 | Marine Ecology | 5 | 54 | 682 | 890 |
| 641 | Pharmacogenetics | 2 | 54 | 1671 | 1746 |
| 641 | Forest Ecology | 4 | 54 | 1094 | 1558 |
| 641 | Intelligent Control Systems | 2 | 54 | 1767 | 1001 |
| 641 | school environment | 4 | 54 | 67 | 128 |
| 641 | chronic disease | 3 | 54 | 401 | 510 |
| 641 | Administration | 1 | 54 | 193 | 75 |
| 641 | strategy | 4 | 54 | 223 | 133 |
| 649 | community development | 4 | 53 | 546 | 672 |
| 649 | Social Ethics | 2 | 53 | 311 | 124 |
| 649 | Simulation Methods | 11 | 53 | 426 | 1234 |
| 649 | Holistic Health | 6 | 53 | 288 | 498 |
| 649 | Group decision making | 6 | 53 | 312 | 613 |
| 649 | Hormones | 4 | 53 | 1428 | 2022 |
| 649 | Fungi | 2 | 53 | 1476 | 1509 |
| 649 | allied health | 6 | 53 | 163 | 346 |
| 657 | Experimental Psychology | 1 | 52 | 1005 | 695 |
| 657 | Organic Chemistry | 6 | 52 | 2887 | 3948 |
| 657 | Combustion | 3 | 52 | 1490 | 1643 |
| 657 | biofuels | 2 | 52 | 426 | 771 |
| 657 | Neural circuitry | 1 | 52 | 3555 | 2777 |
| 657 | Computational Fluid Dynamics | 5 | 52 | 571 | 856 |
| 657 | DNS | 2 | 52 | 818 | 796 |
| 664 | Language Disorders | 3 | 51 | 975 | 1009 |
| 664 | Soil Science | 7 | 51 | 1500 | 2576 |
| 664 | mosses | 7 | 51 | 74 | 122 |
| 664 | liverworts | 7 | 51 | 74 | 122 |
| 664 | drug control | 3 | 51 | 438 | 561 |
| 664 | proteins | 3 | 51 | 2687 | 2944 |
| 670 | Soil stabilization | 3 | 50 | 46 | 54 |
| 670 | Genetic therapy | 1 | 50 | 2455 | 2148 |
| 670 | Respiration | 7 | 50 | 1259 | 2294 |
| 670 | plant communities | 1 | 50 | 1908 | 1754 |
| 670 | Vaccines | 2 | 50 | 2891 | 2829 |
| 675 | Pediatric Nursing | 4 | 49 | 476 | 599 |
| 675 | speech therapy | 2 | 49 | 581 | 474 |
| 675 | Cosmochemistry | 3 | 49 | 1108 | 1392 |
| 675 | behavior modification | 3 | 49 | 422 | 654 |
| 679 | Electrophoresis | 2 | 48 | 2477 | 2449 |
| 679 | Memory disorders | 1 | 48 | 522 | 396 |
| 679 | North America | 4 | 48 | 937 | 1110 |
| 679 | human development | 5 | 48 | 650 | 1126 |
| 683 | Earthquake Engineering | 5 | 47 | 1152 | 1711 |
| 683 | ethanol | 2 | 47 | 748 | 729 |
| 685 | Agricultural Chemistry | 4 | 46 | 2589 | 3326 |
| 685 | fuel cells | 1 | 46 | 2214 | 1846 |
| 685 | population policy | 2 | 46 | 234 | 237 |
| 685 | Urban Areas | 1 | 46 | 548 | 304 |
| 685 | Youth | 2 | 46 | 922 | 971 |
| 685 | at-risk youth | 1 | 46 | 192 | 203 |
| 685 | Microscopy | 1 | 46 | 3329 | 1970 |
| 692 | Animal Nutrition | 1 | 45 | 1104 | 758 |
| 692 | Antibacterial agents | 2 | 45 | 1103 | 1356 |
| 692 | Qualitative Research | 5 | 45 | 393 | 606 |
| 692 | Animal genetics | 1 | 45 | 1120 | 851 |
| 692 | Parasites | 6 | 45 | 1423 | 2242 |
| 697 | Surgery | 4 | 44 | 2424 | 3234 |
| 697 | Vocational Education | 8 | 44 | 308 | 603 |
| 697 | Geosynthetics | 1 | 44 | 339 | 214 |
| 697 | Drug delivery systems | 1 | 44 | 2935 | 2533 |
| 697 | refugees | 1 | 44 | 575 | 296 |
| 697 | technical education | 1 | 44 | 1044 | 596 |
| 697 | Steroids | 3 | 44 | 1215 | 1580 |
| 697 | Synapses | 3 | 44 | 321 | 528 |
| 705 | Petroleum Engineering | 3 | 43 | 885 | 1045 |
| 705 | Asthma | 3 | 43 | 893 | 1060 |
| 705 | Mathematical Economics | 1 | 43 | 569 | 377 |
| 705 | Pharmacy management | 3 | 43 | 356 | 367 |
| 705 | coal | 2 | 43 | 2243 | 2667 |
| 710 | Production Engineering | 3 | 42 | 2403 | 2395 |
| 710 | Crystallography | 2 | 42 | 2401 | 1601 |
| 710 | Portfolio Management | 4 | 42 | 294 | 336 |
| 710 | X-ray crystallography | 2 | 42 | 872 | 740 |
| 714 | Environmental Psychology | 2 | 41 | 523 | 713 |
| 714 | Amyotrophic Lateral Sclerosis | 1 | 41 | 579 | 491 |
| 714 | Medical Ethics | 6 | 41 | 932 | 1335 |
| 714 | Marine invertebrates | 5 | 41 | 134 | 232 |
| 714 | Ocean Engineering | 5 | 41 | 1530 | 2318 |
| 714 | Ultrasonic Imaging | 1 | 41 | 1118 | 848 |
| 720 | Communication Disorders | 2 | 40 | 489 | 412 |
| 721 | Nondestructive testing | 2 | 39 | 1062 | 916 |
| 721 | Immunopathology | 1 | 39 | 2615 | 2376 |
| 721 | Geographic information systems | 5 | 39 | 980 | 1351 |
| 721 | pain management | 2 | 39 | 1081 | 1064 |
| 721 | Geodynamics | 1 | 39 | 1476 | 1293 |
| 721 | forest policy | 6 | 39 | 244 | 600 |
| 721 | urban forestry | 2 | 39 | 404 | 413 |
| 728 | local government | 8 | 38 | 180 | 496 |
| 728 | Fish diseases | 1 | 38 | 266 | 217 |
| 728 | Aquatic animals | 1 | 38 | 459 | 319 |
| 728 | Invertebrates | 1 | 38 | 1320 | 1006 |
| 728 | supercritical fluids | 1 | 38 | 778 | 758 |
| 728 | educational innovations | 2 | 38 | 748 | 703 |
| 734 | Transportation Engineering | 11 | 37 | 218 | 693 |
| 734 | risk factors | 1 | 37 | 1506 | 1217 |
| 734 | vascular diseases | 1 | 37 | 1441 | 1401 |
| 734 | Combinatorial analysis | 2 | 37 | 1489 | 976 |
| 734 | Recycling | 2 | 37 | 909 | 1548 |
| 739 | Gender Studies | 2 | 36 | 697 | 697 |
| 739 | Immunotherapy | 3 | 36 | 2405 | 3302 |
| 739 | Hydraulic Engineering | 10 | 36 | 713 | 1556 |
| 739 | Transnational corporations | 1 | 36 | 782 | 565 |
| 739 | Feminism | 2 | 36 | 826 | 659 |
| 739 | Art | 1 | 36 | 926 | 151 |
| 739 | Groundwater | 4 | 36 | 722 | 1043 |
| 739 | scientific societies | 2 | 36 | 1281 | 1427 |
| 739 | baking | 2 | 36 | 289 | 368 |
| 748 | Engineering Ethics | 1 | 35 | 458 | 358 |
| 748 | Professional ethics | 1 | 35 | 640 | 470 |
| 750 | Mining Engineering | 3 | 34 | 689 | 776 |
| 750 | Clinical Pharmacology | 4 | 34 | 1665 | 2526 |
| 750 | radiative transfer | 4 | 34 | 653 | 853 |
| 750 | Environmental pollutants | 2 | 34 | 3329 | 4000 |
| 750 | civil service | 4 | 34 | 352 | 544 |
| 755 | Quantitative Research | 1 | 33 | 404 | 414 |
| 755 | Mass Spectrometry | 3 | 33 | 1495 | 1967 |
| 755 | Adolescent Psychology | 6 | 33 | 641 | 1375 |
| 755 | Finite Element Method | 2 | 33 | 451 | 526 |
| 755 | primary prevention | 4 | 33 | 399 | 822 |
| 755 | ecotourism | 2 | 33 | 324 | 464 |
| 761 | Emergency Medical Services | 1 | 32 | 1832 | 1311 |
| 761 | Kinetics | 3 | 32 | 603 | 794 |
| 761 | Melanoma | 1 | 32 | 505 | 530 |
| 761 | Immunopharmacology | 2 | 32 | 1631 | 1913 |
| 761 | Molecular cloning | 1 | 32 | 2894 | 2549 |
| 761 | Genetic recombination | 1 | 32 | 2840 | 2510 |
| 761 | Chemical kinetics | 3 | 32 | 947 | 926 |
| 761 | Financial management | 3 | 32 | 590 | 1082 |
| 761 | pollutants | 1 | 32 | 3580 | 3570 |
| 761 | Library Science | 11 | 32 | 637 | 1141 |
| 761 | cytokines | 2 | 32 | 2028 | 2516 |
| 761 | crime victims | 2 | 32 | 228 | 226 |
| 773 | Geomorphology | 3 | 31 | 1598 | 2335 |
| 773 | Industrial Microbiology | 2 | 31 | 2903 | 3674 |
| 773 | Gene expression | 1 | 31 | 634 | 595 |
| 773 | Cell division | 1 | 31 | 1222 | 1179 |
| 773 | Housing | 3 | 31 | 527 | 859 |
| 773 | Tunneling | 5 | 31 | 268 | 683 |
| 773 | underground construction | 5 | 31 | 268 | 683 |
| 773 | Autoimmune diseases | 2 | 31 | 1013 | 1450 |
| 773 | Europa | 1 | 31 | 1053 | 844 |
| 773 | Leisure | 1 | 31 | 683 | 572 |
| 773 | Plants | 6 | 31 | 1887 | 3262 |
| 784 | Solid State Chemistry | 5 | 30 | 2414 | 3444 |
| 784 | elder abuse | 4 | 30 | 277 | 590 |
| 784 | Celestial Mechanics | 2 | 30 | 298 | 313 |
| 784 | Criminal behavior | 4 | 30 | 152 | 319 |
| 788 | Cochlear Implants | 1 | 29 | 238 | 134 |
| 788 | Urban Policy | 1 | 29 | 1598 | 1445 |
| 788 | Environmental Geology | 1 | 29 | 3006 | 2733 |
| 788 | Quality Management | 1 | 29 | 449 | 279 |
| 788 | Juvenile delinquency | 2 | 29 | 414 | 456 |
| 788 | Contraception | 2 | 29 | 967 | 1235 |
| 788 | soil management | 3 | 29 | 630 | 1200 |
| 788 | taxation | 1 | 29 | 527 | 424 |
| 788 | peptides | 1 | 29 | 1931 | 1526 |
| 788 | Work | 6 | 29 | 224 | 528 |
| 788 | venom | 2 | 29 | 1315 | 1460 |
| 788 | Toxins | 2 | 29 | 1454 | 1593 |
| 800 | Music Therapy | 2 | 28 | 342 | 342 |
| 800 | Art Therapy | 2 | 28 | 294 | 291 |
| 800 | soil microbiology | 3 | 28 | 1726 | 3119 |
| 800 | Dance therapy | 2 | 28 | 255 | 228 |
| 800 | Measurement | 5 | 28 | 1146 | 2149 |
| 800 | interfaith relations | 1 | 28 | 178 | 30 |
| 800 | psychopathology | 2 | 28 | 464 | 640 |
| 800 | Christianity | 1 | 28 | 538 | 60 |
| 800 | Islam | 1 | 28 | 1277 | 523 |
| 800 | Hedge funds | 3 | 28 | 35 | 76 |
| 800 | community organization | 2 | 28 | 100 | 116 |
| 800 | probabilities | 3 | 28 | 1526 | 1432 |
| 812 | health workforce | 2 | 27 | 291 | 552 |
| 812 | Interfaces | 3 | 27 | 357 | 583 |
| 812 | Capital market | 1 | 27 | 829 | 793 |
| 812 | Prisons | 4 | 27 | 303 | 422 |
| 816 | Orthopedics | 4 | 26 | 1777 | 2677 |
| 816 | Ecological Genetics | 3 | 26 | 812 | 1102 |
| 816 | Orthopedic Surgery | 4 | 26 | 917 | 1545 |
| 816 | Ecohydrology | 3 | 26 | 414 | 698 |
| 816 | Constructivism | 3 | 26 | 50 | 68 |
| 816 | China | 3 | 26 | 3656 | 4731 |
| 816 | Stress | 3 | 26 | 287 | 621 |
| 823 | Geography | 7 | 25 | 1911 | 3691 |
| 823 | Urban Planning | 2 | 25 | 589 | 813 |
| 823 | Organizational Behavior | 3 | 25 | 652 | 1059 |
| 823 | Public opinion | 1 | 25 | 841 | 853 |
| 823 | Infertility | 2 | 25 | 1533 | 2100 |
| 823 | Amyloidosis | 1 | 25 | 339 | 350 |
| 823 | Water Microbiology | 2 | 25 | 716 | 1119 |
| 823 | Proteome | 1 | 25 | 2321 | 2585 |
| 823 | social science | 1 | 25 | 356 | 442 |
| 823 | Trace elements | 1 | 25 | 651 | 808 |
| 823 | drug evaluation | 2 | 25 | 2112 | 2683 |
| 834 | Rheumatology | 2 | 24 | 1865 | 2327 |
| 834 | Dermatology | 5 | 24 | 1812 | 2934 |
| 834 | Emergency Nursing | 3 | 24 | 167 | 291 |
| 834 | Environmental Law | 3 | 24 | 1357 | 2667 |
| 834 | Psychometrics | 1 | 24 | 806 | 758 |
| 834 | Psychoanalysis | 11 | 24 | 174 | 406 |
| 834 | Bioethics | 3 | 24 | 1146 | 1400 |
| 834 | Fisheries Law | 1 | 24 | 299 | 348 |
| 834 | Alternative Medicine | 1 | 24 | 3724 | 3550 |
| 834 | Drug design | 3 | 24 | 2226 | 3344 |
| 834 | soil conservation | 2 | 24 | 1213 | 1610 |
| 834 | complementary therapies | 1 | 24 | 4118 | 3723 |
| 834 | Political Participation | 1 | 24 | 621 | 525 |
| 834 | election law | 3 | 24 | 268 | 402 |
| 834 | Freezing | 2 | 24 | 550 | 589 |
| 834 | fisheries management | 1 | 24 | 299 | 348 |
| 834 | Elections | 1 | 24 | 620 | 475 |
| 834 | disease outbreaks | 6 | 24 | 440 | 1380 |
| 834 | Archives | 1 | 24 | 310 | 90 |
| 834 | Allergy | 2 | 24 | 1817 | 2516 |
| 834 | Voting | 1 | 24 | 429 | 391 |
| 855 | Marine Engineering | 6 | 23 | 193 | 328 |
| 855 | Andrology | 1 | 23 | 1362 | 1349 |
| 855 | Food service management | 1 | 23 | 768 | 960 |
| 855 | Thermochemistry | 2 | 23 | 714 | 922 |
| 855 | actuators | 1 | 23 | 3777 | 4056 |
| 855 | curriculum planning | 1 | 23 | 362 | 273 |
| 855 | Southeast Asia | 3 | 23 | 486 | 534 |
| 855 | Androgens | 1 | 23 | 514 | 657 |
| 855 | Molecular structure | 1 | 23 | 4499 | 3950 |
| 855 | transducers | 1 | 23 | 3777 | 4056 |
| 855 | Kidney diseases | 3 | 23 | 1290 | 1919 |
| 855 | Allergies | 1 | 23 | 383 | 339 |
| 867 | Graph Theory | 3 | 22 | 941 | 907 |
| 867 | Structural dynamics | 1 | 22 | 1910 | 2041 |
| 867 | Radiography | 3 | 22 | 779 | 1277 |
| 867 | Democracy | 4 | 22 | 296 | 385 |
| 867 | Cold War | 4 | 22 | 120 | 62 |
| 867 | Technological Innovations | 2 | 22 | 1565 | 1949 |
| 867 | Nuclear family | 2 | 22 | 233 | 252 |
| 867 | Decision making | 3 | 22 | 1895 | 2797 |
| 875 | Global Health | 2 | 21 | 1809 | 2004 |
| 875 | Automation | 2 | 21 | 2627 | 3028 |
| 875 | adolescence | 4 | 21 | 899 | 1729 |
| 875 | sexual orientation | 1 | 21 | 302 | 258 |
| 875 | Plant breeding | 1 | 21 | 1716 | 1679 |
| 875 | Gender identity | 1 | 21 | 659 | 425 |
| 875 | Transgenic plants | 1 | 21 | 1061 | 1243 |
| 875 | natural products | 4 | 21 | 1891 | 2919 |
| 875 | biological factors | 4 | 21 | 2092 | 3717 |
| 875 | Oxidation | 1 | 21 | 394 | 408 |
| 875 | Marine sediments | 9 | 21 | 13 | 32 |
| 875 | women | 1 | 21 | 1690 | 1202 |
| 887 | Semantics | 1 | 20 | 535 | 419 |
| 887 | Obstetric Nursing | 3 | 20 | 392 | 657 |
| 887 | Discrete Mathematics | 1 | 20 | 767 | 349 |
| 887 | Bacteriology | 1 | 20 | 3546 | 4081 |
| 887 | Cognitive Therapy | 6 | 20 | 470 | 1256 |
| 887 | social justice | 2 | 20 | 537 | 464 |
| 887 | graph | 1 | 20 | 767 | 349 |
| 887 | libraries | 14 | 20 | 275 | 846 |
| 887 | Sun | 3 | 20 | 502 | 702 |
| 887 | death | 4 | 20 | 271 | 575 |
| 897 | Aerospace Engineering | 6 | 19 | 285 | 645 |
| 897 | Comparative Physiology | 2 | 19 | 1162 | 1609 |
| 897 | Coastal zone management | 1 | 19 | 1404 | 1498 |
| 897 | Legal Ethics | 2 | 19 | 66 | 46 |
| 897 | sadness | 2 | 19 | 331 | 506 |
| 897 | Marine resources | 1 | 19 | 1423 | 1534 |
| 897 | geological modeling | 1 | 19 | 1177 | 965 |
| 897 | Scotland | 2 | 19 | 188 | 202 |
| 897 | mathematical analysis | 2 | 19 | 3173 | 2970 |
| 897 | Bones | 1 | 19 | 1822 | 2000 |
| 897 | antisocial personality disorder | 2 | 19 | 331 | 506 |
| 908 | Molecular Microbiology | 1 | 18 | 1677 | 2128 |
| 908 | Integrated Circuits | 4 | 18 | 794 | 962 |
| 908 | Feasibility studies | 3 | 18 | 347 | 437 |
| 908 | water resources | 1 | 18 | 719 | 676 |
| 908 | Elderly | 7 | 18 | 947 | 1641 |
| 908 | Metallography | 2 | 18 | 1234 | 1667 |
| 908 | natural gas | 8 | 18 | 236 | 967 |
| 908 | rivers | 3 | 18 | 361 | 705 |
| 916 | Radiology | 3 | 17 | 2143 | 2886 |
| 916 | Game Theory | 1 | 17 | 1122 | 978 |
| 916 | Agricultural Economics | 1 | 17 | 192 | 193 |
| 916 | Developmental Genetics | 1 | 17 | 1046 | 1411 |
| 916 | Numerical Analysis | 3 | 17 | 2808 | 3519 |
| 916 | Dental Public Health | 4 | 17 | 138 | 366 |
| 916 | Analytical Toxicology | 1 | 17 | 513 | 641 |
| 916 | Behavioral Genetics | 1 | 17 | 489 | 663 |
| 916 | Functional Genomics | 1 | 17 | 668 | 977 |
| 916 | Land use | 3 | 17 | 1381 | 2446 |
| 916 | Consumer Protection | 3 | 17 | 192 | 474 |
| 916 | Genetic regulation | 1 | 17 | 2342 | 2692 |
| 916 | psychoanalytic therapy | 5 | 17 | 80 | 138 |
| 916 | Consumer education | 3 | 17 | 346 | 952 |
| 916 | Africa | 8 | 17 | 1111 | 2657 |
| 916 | corrections | 2 | 17 | 257 | 312 |
| 916 | heredity | 2 | 17 | 1051 | 1547 |
| 916 | prostaglandins | 1 | 17 | 945 | 1114 |
| 916 | viral genetics | 1 | 17 | 639 | 979 |
| 916 | tests | 1 | 17 | 389 | 476 |
| 936 | Speech-Language Pathology | 1 | 16 | 623 | 678 |
| 936 | Tribology | 1 | 16 | 2212 | 2223 |
| 936 | Experimental Design | 2 | 16 | 388 | 584 |
| 936 | Neurotoxicology | 2 | 16 | 871 | 1645 |
| 936 | Sedimentology | 1 | 16 | 1268 | 1417 |
| 936 | Symbolic interactionism | 1 | 16 | 237 | 250 |
| 936 | epidemiologic methods | 1 | 16 | 419 | 411 |
| 936 | Politics | 9 | 16 | 374 | 791 |
| 936 | Molecular Spectroscopy | 4 | 16 | 1953 | 3479 |
| 936 | protein | 1 | 16 | 2381 | 2507 |
| 936 | Latin America | 2 | 16 | 1922 | 1625 |
| 936 | England | 1 | 16 | 417 | 135 |
| 936 | Japan | 1 | 16 | 4131 | 3701 |
| 936 | free radicals | 2 | 16 | 2099 | 3193 |
| 936 | viruses | 1 | 16 | 2752 | 3447 |
| 936 | drugs | 5 | 16 | 2216 | 4624 |
| 952 | Physical organic chemistry | 1 | 15 | 2390 | 2611 |
| 952 | Total Quality Management | 2 | 15 | 818 | 1351 |
| 952 | Waste management | 4 | 15 | 1481 | 2920 |
| 952 | Antioxidants | 1 | 15 | 1539 | 2111 |
| 952 | breastfeeding | 1 | 15 | 1182 | 1366 |
| 952 | Reservoirs | 1 | 15 | 450 | 456 |
| 952 | Maps | 1 | 15 | 395 | 374 |
| 952 | economic development projects | 3 | 15 | 200 | 559 |
| 952 | vitamin C | 1 | 15 | 938 | 1301 |
| 952 | vitamin E | 1 | 15 | 938 | 1301 |
| 962 | Audiology | 3 | 14 | 943 | 1625 |
| 962 | Critical Care Medicine | 2 | 14 | 2279 | 3437 |
| 962 | Dynamics | 4 | 14 | 2052 | 3086 |
| 962 | Radiopharmaceuticals | 2 | 14 | 622 | 653 |
| 962 | Organizational change | 3 | 14 | 818 | 1495 |
| 962 | Biological Systems | 1 | 14 | 1738 | 1850 |
| 962 | rural health | 1 | 14 | 361 | 465 |
| 962 | Communism | 1 | 14 | 369 | 308 |
| 962 | land degradation | 1 | 14 | 1102 | 1340 |
| 962 | Communication in medicine | 2 | 14 | 749 | 1251 |
| 962 | Microorganisms | 1 | 14 | 2318 | 2879 |
| 962 | shellfish | 4 | 14 | 156 | 451 |
| 962 | Human biology | 1 | 14 | 1375 | 1473 |
| 962 | degradation | 1 | 14 | 1102 | 1340 |
| 976 | Systems Theory | 2 | 13 | 999 | 1224 |
| 976 | Cosmology | 2 | 13 | 1941 | 1998 |
| 976 | Oral Medicine | 1 | 13 | 1423 | 1219 |
| 976 | Forecasting | 2 | 13 | 841 | 1216 |
| 976 | Change management | 2 | 13 | 158 | 264 |
| 976 | Photochemistry | 3 | 13 | 2236 | 3851 |
| 976 | Urban Transportation | 1 | 13 | 434 | 441 |
| 976 | Socioeconomic Factors | 1 | 13 | 1715 | 2101 |
| 976 | Cost control | 1 | 13 | 349 | 395 |
| 976 | Customer service | 1 | 13 | 151 | 170 |
| 976 | Disability Law | 1 | 13 | 360 | 433 |
| 976 | Strategic planning | 3 | 13 | 886 | 1636 |
| 976 | Reproductive toxicology | 1 | 13 | 1060 | 1314 |
| 976 | Moon | 3 | 13 | 221 | 402 |
| 976 | Educational Innovation | 2 | 13 | 101 | 180 |
| 976 | Light | 9 | 13 | 653 | 2430 |
| 976 | educational planning | 1 | 13 | 843 | 973 |
| 976 | Primates | 2 | 13 | 1091 | 1537 |
| 994 | Restorative justice | 1 | 12 | 345 | 316 |
| 994 | Music | 7 | 12 | 640 | 1550 |
| 994 | healthcare disparities | 2 | 12 | 767 | 1322 |
| 994 | Information management | 1 | 12 | 237 | 300 |
| 994 | Microstructure | 2 | 12 | 1357 | 1872 |
| 994 | psychiatric disorders | 2 | 12 | 71 | 148 |
| 994 | California | 1 | 12 | 857 | 956 |