| 1 | Astrophysics | 465 | 26.2K | 243 | 293 |
| 2 | Geophysics | 304 | 20.2K | 292 | 178 |
| 3 | Spectrum analysis | 289 | 17.0K | 241 | 224 |
| 4 | Meteorology | 167 | 16.4K | 184 | 103 |
| 5 | Physics | 140 | 14.0K | 1664 | 1231 |
| 6 | Hydrometeorology | 27 | 13.8K | 26 | 2 |
| 7 | Astronomy | 287 | 12.2K | 362 | 403 |
| 8 | Ecology | 79 | 11.5K | 1243 | 607 |
| 9 | Biology | 159 | 11.2K | 1273 | 1287 |
| 10 | Science | 112 | 10.3K | 1776 | 1397 |
| 11 | Atmospheric Physics | 154 | 10.2K | 141 | 108 |
| 12 | Climatology | 70 | 9.6K | 250 | 105 |
| 13 | Planets | 128 | 9.1K | 200 | 137 |
| 14 | United States | 319 | 8.5K | 268 | 306 |
| 15 | Atmospheric Chemistry | 87 | 7.2K | 129 | 112 |
| 16 | Biochemistry | 187 | 7.2K | 1354 | 1261 |
| 17 | Environmental Health | 66 | 6.1K | 1012 | 565 |
| 18 | Molecular Biology | 98 | 5.2K | 1605 | 1414 |
| 19 | Wireless Communication Systems | 38 | 4.9K | 609 | 165 |
| 20 | Chemistry | 106 | 4.8K | 2036 | 1815 |
| 21 | Polymers | 42 | 4.6K | 1454 | 575 |
| 22 | Natural history | 21 | 4.5K | 1400 | 1358 |
| 23 | Psychology | 106 | 4.4K | 686 | 554 |
| 24 | Medicine | 114 | 4.0K | 1853 | 1924 |
| 25 | Social Psychology | 52 | 3.8K | 405 | 289 |
| 26 | Pollution | 46 | 3.8K | 1483 | 1021 |
| 27 | Plastics | 32 | 3.8K | 332 | 38 |
| 28 | Evolution | 11 | 3.8K | 959 | 300 |
| 29 | plasticity | 31 | 3.8K | 36 | 16 |
| 30 | Nuclear Physics | 116 | 3.7K | 969 | 843 |
| 31 | computer networks | 42 | 3.5K | 522 | 155 |
| 32 | Biotechnology | 75 | 3.5K | 1273 | 1196 |
| 33 | atmospheric models | 55 | 3.3K | 94 | 82 |
| 34 | Environmental Policy | 19 | 3.3K | 1163 | 453 |
| 35 | Behavior | 57 | 3.3K | 599 | 521 |
| 36 | biological evolution | 12 | 3.3K | 993 | 400 |
| 37 | Microbiology | 73 | 3.3K | 1444 | 1429 |
| 38 | Agriculture | 27 | 3.2K | 599 | 177 |
| 39 | Statistical physics | 88 | 3.1K | 733 | 570 |
| 40 | Economics | 53 | 3.1K | 1080 | 522 |
| 41 | air | 24 | 3.1K | 18 | 12 |
| 41 | Climate | 24 | 3.1K | 61 | 16 |
| 43 | Biocompatible Materials | 46 | 3.0K | 1045 | 833 |
| 44 | human behavior | 30 | 2.8K | 629 | 473 |
| 45 | Environment | 38 | 2.8K | 1371 | 1276 |
| 46 | Environmental Engineering | 30 | 2.8K | 1163 | 626 |
| 47 | Optics | 332 | 2.6K | 309 | 653 |
| 48 | Research | 81 | 2.5K | 1813 | 1822 |
| 49 | Bioengineering | 53 | 2.5K | 961 | 1019 |
| 50 | Technology | 48 | 2.5K | 931 | 535 |
| 51 | Mathematics | 77 | 2.4K | 1475 | 790 |
| 52 | Child Development | 54 | 2.3K | 331 | 297 |
| 53 | Education | 66 | 2.2K | 655 | 433 |
| 54 | Psychiatry | 50 | 2.2K | 1023 | 956 |
| 55 | Information Technology | 35 | 2.0K | 493 | 276 |
| 56 | Nanotechnology | 39 | 1.9K | 1585 | 1372 |
| 57 | vibration | 62 | 1.9K | 100 | 120 |
| 58 | Statistics | 89 | 1.9K | 386 | 417 |
| 59 | Public Health | 43 | 1.8K | 1354 | 1124 |
| 60 | Sociology | 56 | 1.7K | 518 | 472 |
| 61 | environmental pollution | 29 | 1.6K | 1498 | 1252 |
| 62 | Community Psychology | 31 | 1.6K | 81 | 93 |
| 63 | Biophysics | 39 | 1.6K | 1826 | 1566 |
| 64 | Geriatrics | 132 | 1.5K | 276 | 533 |
| 65 | Analytical Chemistry | 37 | 1.5K | 1490 | 1193 |
| 66 | sanitation | 16 | 1.5K | 657 | 543 |
| 67 | Neurology | 22 | 1.5K | 2089 | 1614 |
| 68 | ecosystem | 6 | 1.5K | 904 | 320 |
| 69 | Immunology | 28 | 1.5K | 1318 | 1218 |
| 70 | Neurons | 3 | 1.4K | 589 | 416 |
| 71 | Community Psychiatry | 26 | 1.4K | 224 | 153 |
| 72 | Hydrology | 29 | 1.4K | 749 | 511 |
| 73 | Signal Processing | 40 | 1.4K | 677 | 653 |
| 74 | Aging | 114 | 1.4K | 298 | 617 |
| 75 | Pharmaceutical Chemistry | 60 | 1.4K | 853 | 1087 |
| 76 | Psychophysiology | 27 | 1.4K | 921 | 818 |
| 77 | Gerontology | 123 | 1.4K | 166 | 303 |
| 78 | Biogeography | 2 | 1.3K | 1110 | 279 |
| 78 | behavior modification | 55 | 1.3K | 39 | 89 |
| 80 | Photography | 262 | 1.3K | 96 | 69 |
| 81 | Schizophrenia | 39 | 1.3K | 212 | 253 |
| 82 | Biomedical Engineering | 59 | 1.3K | 1064 | 1345 |
| 83 | Organic Chemistry | 56 | 1.3K | 761 | 878 |
| 84 | Chemical structure | 126 | 1.2K | 3 | 7 |
| 85 | Cell Biology | 25 | 1.2K | 1536 | 1734 |
| 86 | Biometrics | 32 | 1.2K | 252 | 204 |
| 87 | Developmental Psychology | 28 | 1.2K | 256 | 267 |
| 88 | Social behavior | 49 | 1.2K | 154 | 268 |
| 89 | Bacteriology | 18 | 1.2K | 727 | 627 |
| 90 | Cytology | 27 | 1.2K | 1547 | 1740 |
| 91 | Substance Abuse | 26 | 1.2K | 401 | 272 |
| 92 | Experimental Psychology | 3 | 1.1K | 555 | 124 |
| 92 | Child psychology | 35 | 1.1K | 340 | 447 |
| 94 | Genetics | 17 | 1.1K | 1677 | 1490 |
| 95 | Water | 18 | 1.1K | 988 | 895 |
| 96 | Materials | 34 | 1.1K | 2185 | 2063 |
| 97 | violence | 31 | 1.1K | 193 | 186 |
| 98 | Biodiversity conservation | 8 | 1.1K | 1024 | 783 |
| 99 | Engineering | 19 | 1.1K | 1916 | 872 |
| 100 | Health Policy | 36 | 1.1K | 502 | 478 |
| 101 | Public Policy | 38 | 1.0K | 327 | 356 |
| 102 | Neurophysiology | 15 | 1.0K | 1282 | 1024 |
| 102 | Bioorganic chemistry | 46 | 1.0K | 659 | 859 |
| 104 | Public Administration | 20 | 1.0K | 447 | 226 |
| 105 | Materials Science | 18 | 1.0K | 2202 | 1612 |
| 106 | Information Systems | 22 | 1.0K | 306 | 202 |
| 107 | Social Sciences | 50 | 1.0K | 681 | 572 |
| 108 | Politics | 13 | 994 | 204 | 78 |
| 108 | government | 13 | 994 | 233 | 105 |
| 110 | Environmental monitoring | 10 | 993 | 2241 | 1329 |
| 111 | brain mapping | 3 | 987 | 641 | 201 |
| 112 | Photonics | 15 | 967 | 947 | 675 |
| 113 | Structural dynamics | 28 | 966 | 245 | 268 |
| 114 | older people | 128 | 939 | 123 | 229 |
| 115 | Operations Research | 16 | 929 | 962 | 580 |
| 116 | water supply | 14 | 916 | 365 | 293 |
| 117 | Animal Behavior | 23 | 910 | 622 | 656 |
| 118 | Fiber Optics | 4 | 875 | 916 | 212 |
| 119 | Geology | 13 | 867 | 1604 | 965 |
| 119 | Mental Disorders | 24 | 867 | 1041 | 1100 |
| 121 | behavior therapy | 41 | 863 | 161 | 246 |
| 122 | Sustainable Development | 9 | 850 | 1099 | 524 |
| 123 | Social problems | 17 | 838 | 154 | 129 |
| 124 | Hydraulic Engineering | 7 | 836 | 732 | 266 |
| 125 | Electronics | 25 | 825 | 1383 | 1036 |
| 126 | Light | 12 | 792 | 421 | 504 |
| 127 | space environment | 15 | 789 | 62 | 36 |
| 128 | global environmental change | 8 | 779 | 433 | 273 |
| 129 | child abuse | 20 | 731 | 216 | 243 |
| 130 | Computational Biology | 20 | 727 | 1024 | 971 |
| 131 | Clinical Chemistry | 33 | 726 | 827 | 1130 |
| 132 | Pediatrics | 10 | 725 | 1275 | 947 |
| 133 | Telecommunication Systems | 7 | 722 | 1081 | 252 |
| 134 | Social work | 39 | 718 | 274 | 262 |
| 135 | Carbon | 2 | 713 | 1530 | 584 |
| 136 | Medical Anthropology | 17 | 710 | 409 | 452 |
| 137 | Decision making | 12 | 707 | 617 | 382 |
| 138 | miniaturization | 9 | 706 | 1099 | 826 |
| 139 | Artificial Intelligence | 66 | 704 | 705 | 1348 |
| 140 | Family | 27 | 693 | 212 | 222 |
| 141 | environmental protection | 7 | 691 | 2439 | 1294 |
| 142 | Geography | 13 | 686 | 1064 | 686 |
| 143 | Botany | 15 | 683 | 1960 | 1662 |
| 143 | Clinical Psychology | 23 | 683 | 456 | 604 |
| 145 | Genetic engineering | 13 | 682 | 1048 | 863 |
| 146 | proteins | 12 | 675 | 1096 | 730 |
| 147 | Differential Equations | 11 | 672 | 461 | 165 |
| 148 | Ethology | 18 | 671 | 568 | 678 |
| 149 | nanoscience | 12 | 668 | 1603 | 1302 |
| 150 | Intelligent Transportation Systems | 20 | 667 | 309 | 360 |
| 151 | Growth | 18 | 648 | 462 | 615 |
| 152 | Medical Laboratory Science | 16 | 644 | 918 | 949 |
| 152 | Psychosomatic Medicine | 10 | 644 | 353 | 267 |
| 154 | Teaching | 19 | 643 | 545 | 398 |
| 154 | Adolescent | 27 | 643 | 534 | 587 |
| 156 | Mobile Computing | 19 | 641 | 350 | 283 |
| 157 | Social policy | 18 | 640 | 294 | 178 |
| 158 | Reading | 3 | 637 | 527 | 126 |
| 159 | intimate partner violence | 4 | 635 | 25 | 4 |
| 159 | spousal abuse | 4 | 635 | 25 | 4 |
| 161 | Natural resources | 4 | 633 | 643 | 237 |
| 161 | Earth Sciences | 23 | 633 | 1230 | 1210 |
| 163 | Hydrodynamics | 3 | 622 | 581 | 184 |
| 164 | Agricultural Ecology | 7 | 618 | 693 | 468 |
| 165 | Microelectronics | 6 | 610 | 1368 | 796 |
| 166 | Robotics | 14 | 594 | 770 | 548 |
| 167 | Computer Graphics | 24 | 584 | 529 | 572 |
| 168 | Neuropsychology | 12 | 583 | 1110 | 881 |
| 169 | Emergency Medicine | 8 | 581 | 848 | 337 |
| 170 | Freshwater invertebrates | 7 | 576 | 98 | 51 |
| 171 | Organizational Behavior | 5 | 575 | 435 | 251 |
| 172 | Environmental Law | 1 | 568 | 1807 | 601 |
| 173 | Climate change | 3 | 564 | 1036 | 864 |
| 173 | Eutrophication | 3 | 564 | 978 | 859 |
| 175 | Plant physiology | 5 | 552 | 1622 | 1076 |
| 176 | Mechanical Engineering | 17 | 549 | 1089 | 624 |
| 177 | Group decision making | 10 | 546 | 180 | 93 |
| 178 | Sleep | 8 | 545 | 1012 | 589 |
| 179 | behavioral medicine | 17 | 541 | 431 | 557 |
| 180 | Molecular Genetics | 13 | 539 | 863 | 891 |
| 181 | economic policy | 22 | 525 | 812 | 603 |
| 182 | Developmental Biology | 5 | 524 | 1540 | 1070 |
| 182 | internet | 21 | 524 | 459 | 541 |
| 184 | Aquaculture | 1 | 522 | 2055 | 503 |
| 185 | Animal ecology | 4 | 519 | 1020 | 445 |
| 186 | Zoology | 6 | 518 | 1957 | 835 |
| 187 | cryosphere | 9 | 515 | 204 | 171 |
| 188 | Educational Psychology | 10 | 514 | 715 | 519 |
| 189 | alcoholism | 23 | 512 | 447 | 583 |
| 190 | Numerical Analysis | 26 | 507 | 746 | 681 |
| 191 | Molecular cloning | 11 | 500 | 713 | 527 |
| 191 | Genetic recombination | 11 | 500 | 699 | 518 |
| 191 | city planning | 12 | 500 | 735 | 508 |
| 191 | Recombinant DNA | 11 | 500 | 783 | 562 |
| 195 | Radiation | 9 | 497 | 1256 | 672 |
| 196 | Virology | 9 | 484 | 1835 | 1984 |
| 197 | Mental illness | 19 | 482 | 741 | 1045 |
| 198 | Quality of life | 5 | 481 | 1143 | 611 |
| 199 | sustainability | 7 | 480 | 481 | 395 |
| 200 | Information Science | 28 | 472 | 616 | 1009 |
| 201 | elder abuse | 17 | 471 | 55 | 67 |
| 201 | family violence | 17 | 471 | 93 | 133 |
| 203 | radiative transfer | 7 | 465 | 337 | 149 |
| 204 | Quantum Gravity | 16 | 464 | 1103 | 1010 |
| 205 | Social Issues | 9 | 463 | 87 | 69 |
| 206 | Health | 8 | 461 | 1280 | 806 |
| 207 | Hormones | 3 | 460 | 1289 | 610 |
| 208 | Bioinformatics | 15 | 456 | 928 | 1000 |
| 208 | Plants | 7 | 456 | 1435 | 1060 |
| 210 | Environmental Management | 7 | 454 | 1948 | 1641 |
| 210 | Socialization | 10 | 454 | 216 | 221 |
| 212 | visualization | 21 | 446 | 490 | 330 |
| 213 | health services | 12 | 445 | 440 | 308 |
| 214 | Developmental Genetics | 1 | 442 | 793 | 414 |
| 215 | Population Genetics | 7 | 441 | 777 | 644 |
| 215 | Health Education | 12 | 441 | 832 | 617 |
| 217 | Urban Policy | 10 | 434 | 303 | 241 |
| 218 | Political Science | 27 | 430 | 543 | 541 |
| 218 | Solar System | 16 | 430 | 334 | 382 |
| 220 | Molecular ecology | 6 | 422 | 757 | 669 |
| 221 | Happiness | 3 | 414 | 413 | 107 |
| 221 | Proteome | 6 | 414 | 848 | 633 |
| 223 | Human-Computer Interaction | 22 | 409 | 375 | 589 |
| 224 | Plant cells | 6 | 405 | 792 | 917 |
| 225 | Criminal psychology | 7 | 404 | 467 | 267 |
| 226 | Steroids | 2 | 403 | 1193 | 399 |
| 227 | Mental Health Services | 17 | 400 | 433 | 441 |
| 228 | Geobiology | 3 | 398 | 460 | 158 |
| 229 | Distance Education | 4 | 396 | 369 | 88 |
| 230 | Economic Development | 11 | 395 | 776 | 826 |
| 231 | Biomechanics | 10 | 394 | 714 | 606 |
| 232 | Birds | 18 | 393 | 444 | 368 |
| 233 | System analysis | 20 | 392 | 903 | 976 |
| 233 | China | 13 | 392 | 1437 | 1104 |
| 235 | Systems Engineering | 16 | 391 | 898 | 843 |
| 236 | drug development | 2 | 390 | 1371 | 814 |
| 237 | sex crimes | 18 | 387 | 159 | 192 |
| 238 | Internet of Things | 16 | 385 | 401 | 500 |
| 239 | Automation | 16 | 384 | 1004 | 1170 |
| 240 | mathematical analysis | 26 | 382 | 934 | 818 |
| 241 | nucleic acids | 19 | 381 | 703 | 1200 |
| 242 | Medical innovations | 3 | 380 | 1019 | 897 |
| 243 | Sleep Disorders | 7 | 377 | 1065 | 730 |
| 243 | Business | 12 | 377 | 1086 | 1133 |
| 245 | Solid State Physics | 19 | 376 | 1851 | 1828 |
| 245 | Radio | 6 | 376 | 1154 | 807 |
| 247 | Biochemical Engineering | 10 | 374 | 1879 | 2418 |
| 247 | Dynamics | 20 | 374 | 584 | 492 |
| 249 | biological factors | 8 | 373 | 1181 | 863 |
| 250 | Marine Biology | 12 | 371 | 1327 | 1305 |
| 250 | exobiology | 6 | 371 | 195 | 159 |
| 252 | Human Geography | 14 | 370 | 449 | 402 |
| 253 | plant molecular biology | 5 | 366 | 1120 | 1041 |
| 254 | pain | 8 | 365 | 783 | 706 |
| 255 | drug addiction | 18 | 363 | 395 | 589 |
| 256 | Space telescopes | 21 | 362 | 29 | 39 |
| 257 | Elderly | 96 | 359 | 118 | 253 |
| 258 | Mental Health | 16 | 357 | 597 | 616 |
| 258 | Ornithology | 17 | 357 | 368 | 335 |
| 260 | Catalysis | 13 | 349 | 1973 | 2172 |
| 261 | Obesity | 7 | 348 | 1299 | 1180 |
| 262 | Soil Science | 3 | 347 | 1871 | 1007 |
| 263 | Nanostructured Materials | 14 | 345 | 1655 | 1784 |
| 264 | adolescence | 10 | 341 | 437 | 443 |
| 265 | Metals | 5 | 340 | 1740 | 1079 |
| 266 | Biodiversity | 5 | 335 | 1847 | 1205 |
| 267 | Energy Policy | 6 | 334 | 1930 | 1777 |
| 267 | Condensed Matter | 12 | 334 | 2018 | 1742 |
| 267 | urban forestry | 8 | 334 | 56 | 51 |
| 267 | energy resources | 6 | 334 | 918 | 1024 |
| 271 | Brain | 8 | 327 | 1601 | 1517 |
| 272 | Oceanography | 8 | 325 | 1160 | 993 |
| 273 | Physiology | 5 | 324 | 3322 | 2439 |
| 273 | Medical genetics | 5 | 324 | 2120 | 1943 |
| 273 | Nonlinear Dynamics | 12 | 324 | 1173 | 1055 |
| 276 | Anthropology | 17 | 317 | 605 | 582 |
| 277 | software | 5 | 315 | 766 | 541 |
| 278 | Regional Planning | 10 | 310 | 830 | 691 |
| 279 | Quantum electronics | 9 | 309 | 985 | 694 |
| 280 | Pharmacology | 21 | 307 | 2304 | 3215 |
| 281 | Computer Science | 13 | 303 | 958 | 702 |
| 281 | Production Management | 3 | 303 | 1061 | 786 |
| 283 | Nutrition | 4 | 302 | 3836 | 2609 |
| 283 | genome | 7 | 302 | 1034 | 1211 |
| 285 | Toxicology | 24 | 300 | 1815 | 2948 |
| 285 | Marine Meteorology | 4 | 300 | 296 | 208 |
| 287 | Cognition | 7 | 299 | 1081 | 906 |
| 288 | Organizational change | 2 | 296 | 876 | 277 |
| 289 | Physical Chemistry | 11 | 293 | 1245 | 1304 |
| 290 | Thermodynamics | 32 | 286 | 184 | 334 |
| 290 | Genomics | 6 | 286 | 2398 | 2041 |
| 290 | Optical materials | 5 | 286 | 2071 | 1686 |
| 293 | Child welfare | 14 | 285 | 370 | 416 |
| 294 | Geodesy | 4 | 283 | 673 | 260 |
| 295 | Chemical Engineering | 13 | 280 | 2474 | 2881 |
| 296 | Software Engineering | 9 | 278 | 649 | 532 |
| 297 | Molecular structure | 13 | 276 | 1162 | 1354 |
| 298 | Perception | 6 | 275 | 1265 | 1037 |
| 298 | race relations | 9 | 275 | 285 | 225 |
| 300 | Wildlife conservation | 3 | 270 | 1195 | 854 |
| 300 | Health promotion | 6 | 270 | 955 | 717 |
| 302 | psychotherapy | 10 | 268 | 678 | 717 |
| 303 | Ocean Engineering | 11 | 264 | 863 | 939 |
| 304 | Linguistics | 10 | 262 | 797 | 548 |
| 304 | Metallurgy | 6 | 262 | 1812 | 1267 |
| 306 | protein | 6 | 261 | 905 | 731 |
| 307 | Mass Spectrometry | 11 | 257 | 611 | 655 |
| 308 | Hypertension | 1 | 254 | 2300 | 1343 |
| 308 | Water pollution | 7 | 254 | 1898 | 1933 |
| 308 | Hemodynamics | 1 | 254 | 923 | 490 |
| 308 | landscapes | 3 | 254 | 169 | 51 |
| 308 | polymerization | 5 | 254 | 3010 | 2177 |
| 313 | Telecommunication | 13 | 247 | 1363 | 1502 |
| 314 | Industrial Microbiology | 7 | 245 | 1323 | 1437 |
| 314 | Image Processing | 5 | 245 | 1788 | 1391 |
| 314 | Nonlinear functional analysis | 9 | 245 | 643 | 492 |
| 317 | role | 4 | 244 | 333 | 293 |
| 317 | Aggression | 5 | 244 | 318 | 287 |
| 319 | Analytical Biochemistry | 4 | 242 | 1617 | 997 |
| 320 | Epidemiology | 11 | 241 | 2015 | 2300 |
| 320 | Signal Transduction | 2 | 241 | 1726 | 1126 |
| 322 | Comparative Physiology | 5 | 239 | 591 | 466 |
| 323 | Physical organic chemistry | 13 | 238 | 668 | 772 |
| 324 | Data Mining | 16 | 237 | 472 | 1028 |
| 325 | Economic History | 20 | 236 | 1393 | 1559 |
| 326 | Social welfare | 9 | 234 | 262 | 219 |
| 326 | rehabilitation | 10 | 234 | 1187 | 1360 |
| 328 | Molecules | 14 | 233 | 662 | 719 |
| 329 | Microbial Ecology | 8 | 228 | 1429 | 1915 |
| 329 | Bioinorganic chemistry | 7 | 228 | 947 | 828 |
| 331 | Paleontology | 3 | 227 | 1297 | 668 |
| 331 | Detectors | 13 | 227 | 728 | 816 |
| 333 | Thermochemistry | 26 | 225 | 88 | 243 |
| 334 | Breeding | 5 | 223 | 911 | 777 |
| 335 | preventive medicine | 3 | 222 | 1205 | 828 |
| 335 | weather forecasting | 6 | 222 | 110 | 112 |
| 337 | Biosensors | 5 | 221 | 996 | 1203 |
| 338 | Oncogenes | 1 | 220 | 1649 | 1178 |
| 338 | Youth | 8 | 220 | 367 | 427 |
| 340 | Environmental Chemistry | 17 | 219 | 777 | 1714 |
| 340 | lasers | 8 | 219 | 1418 | 1112 |
| 342 | Ophthalmology | 7 | 216 | 1208 | 1153 |
| 342 | actuators | 5 | 216 | 1752 | 1589 |
| 342 | transducers | 5 | 216 | 1752 | 1589 |
| 345 | organization | 7 | 214 | 452 | 574 |
| 346 | Nanostructures | 6 | 212 | 1690 | 1516 |
| 346 | Australia | 9 | 212 | 1001 | 883 |
| 348 | Research Design | 5 | 211 | 885 | 754 |
| 349 | Electrophoresis | 3 | 210 | 1693 | 1060 |
| 349 | educational planning | 2 | 210 | 500 | 230 |
| 351 | health behavior | 3 | 208 | 951 | 567 |
| 351 | personality | 7 | 208 | 874 | 1027 |
| 353 | Petroleum Engineering | 1 | 207 | 1287 | 425 |
| 353 | optical devices | 1 | 207 | 877 | 192 |
| 355 | Ecosystem management | 5 | 206 | 511 | 448 |
| 356 | Clinical Trials | 4 | 205 | 439 | 260 |
| 357 | Mathematical Physics | 12 | 203 | 1622 | 1470 |
| 358 | Structural optimization | 3 | 201 | 337 | 215 |
| 359 | Psychiatric hospitals | 7 | 199 | 178 | 175 |
| 360 | plant communities | 4 | 198 | 956 | 928 |
| 361 | Emergency Medical Services | 6 | 197 | 475 | 307 |
| 361 | men | 2 | 197 | 385 | 102 |
| 363 | Developing countries | 9 | 196 | 1238 | 1394 |
| 364 | Special Education | 7 | 195 | 453 | 321 |
| 364 | Control Theory | 6 | 195 | 1276 | 984 |
| 364 | Bioelectronics | 4 | 195 | 971 | 1163 |
| 367 | Engineering Mathematics | 7 | 194 | 1791 | 1144 |
| 367 | Cancer | 3 | 194 | 3593 | 2844 |
| 369 | Family Therapy | 8 | 192 | 396 | 337 |
| 369 | child mental health | 8 | 192 | 226 | 232 |
| 371 | Geriatric Medicine | 2 | 189 | 187 | 64 |
| 371 | machinery | 5 | 189 | 594 | 358 |
| 373 | Medical Physics | 6 | 187 | 1246 | 1205 |
| 374 | Synthetic biology | 2 | 182 | 446 | 222 |
| 374 | Vision | 5 | 182 | 492 | 470 |
| 374 | enzymes | 7 | 182 | 997 | 1172 |
| 377 | Learning disabilities | 4 | 179 | 660 | 437 |
| 378 | School Psychology | 4 | 178 | 364 | 290 |
| 379 | Public Choice | 8 | 176 | 157 | 194 |
| 380 | Nuclear Engineering | 8 | 175 | 1061 | 822 |
| 381 | Tribology | 5 | 174 | 954 | 746 |
| 381 | Artificial Organs | 2 | 174 | 810 | 313 |
| 383 | natural disasters | 4 | 173 | 1161 | 945 |
| 384 | Endocrinology | 3 | 172 | 2953 | 2535 |
| 385 | Metabolism | 5 | 171 | 2139 | 2455 |
| 385 | Mineralogy | 3 | 171 | 1332 | 909 |
| 385 | Adult Education | 16 | 171 | 137 | 204 |
| 385 | Industry | 2 | 171 | 255 | 262 |
| 389 | Geomorphology | 6 | 170 | 998 | 1136 |
| 389 | management | 11 | 170 | 1848 | 2350 |
| 391 | Smoking | 6 | 169 | 493 | 587 |
| 391 | Women's health | 8 | 169 | 666 | 746 |
| 393 | Organelle biogenesis | 2 | 168 | 271 | 126 |
| 394 | Post-traumatic stress disorder | 6 | 163 | 494 | 573 |
| 395 | Cognitive neuroscience | 3 | 161 | 927 | 819 |
| 396 | Physical Geography | 6 | 160 | 362 | 303 |
| 397 | Sexuality | 4 | 157 | 225 | 119 |
| 397 | Reproduction | 3 | 157 | 2283 | 1690 |
| 399 | counseling | 5 | 154 | 960 | 816 |
| 399 | drugs | 6 | 154 | 1627 | 1627 |
| 401 | emergency management | 6 | 152 | 509 | 560 |
| 401 | Origin of life | 1 | 152 | 282 | 79 |
| 403 | Sun | 5 | 150 | 292 | 286 |
| 404 | Smart Materials | 7 | 149 | 452 | 500 |
| 404 | Biomolecules | 1 | 149 | 841 | 445 |
| 404 | Structure-activity relationship | 1 | 149 | 878 | 244 |
| 404 | data protection | 9 | 149 | 182 | 238 |
| 408 | Composite Materials | 8 | 147 | 1724 | 2317 |
| 409 | Nervous system | 2 | 146 | 2814 | 2168 |
| 410 | Molecular Microbiology | 4 | 143 | 740 | 967 |
| 410 | health services accessibility | 3 | 143 | 904 | 610 |
| 410 | healthcare disparities | 8 | 143 | 222 | 298 |
| 413 | Electrochemistry | 11 | 142 | 2182 | 2587 |
| 413 | school psychologists | 1 | 142 | 310 | 170 |
| 415 | Functional Analysis | 5 | 141 | 1041 | 766 |
| 415 | Immunotherapy | 4 | 141 | 1721 | 1859 |
| 415 | Urban Economics | 4 | 141 | 266 | 318 |
| 415 | Transportation | 3 | 141 | 1656 | 1244 |
| 419 | Renewable Energy Sources | 2 | 140 | 3106 | 2860 |
| 419 | Distributed Databases | 3 | 140 | 157 | 76 |
| 421 | environmental indicators | 3 | 139 | 1143 | 1138 |
| 421 | Machining | 3 | 139 | 128 | 54 |
| 421 | analysis | 6 | 139 | 229 | 290 |
| 421 | Mechanics | 6 | 139 | 956 | 724 |
| 425 | Quantum Optics | 10 | 138 | 451 | 549 |
| 425 | Atomic spectroscopy | 10 | 138 | 621 | 777 |
| 425 | Laser Spectroscopy | 10 | 138 | 414 | 518 |
| 428 | Immunity | 2 | 136 | 2254 | 2247 |
| 429 | Early Childhood Education | 9 | 133 | 281 | 317 |
| 430 | Electrical Engineering | 12 | 132 | 2025 | 2029 |
| 430 | Second Language Acquisition | 1 | 132 | 366 | 198 |
| 430 | libraries | 9 | 132 | 334 | 284 |
| 430 | biomedicine | 9 | 132 | 380 | 707 |
| 434 | Plant Genetics | 1 | 130 | 1099 | 758 |
| 435 | Medical Technology | 7 | 129 | 1128 | 1462 |
| 436 | Public opinion | 3 | 128 | 415 | 349 |
| 436 | Attention | 6 | 128 | 1185 | 1414 |
| 438 | Structural Engineering | 7 | 127 | 1138 | 1199 |
| 439 | Development | 4 | 126 | 681 | 796 |
| 439 | Economic Assistance | 4 | 126 | 576 | 724 |
| 441 | urban population | 2 | 125 | 259 | 271 |
| 442 | Bifurcation Theory | 2 | 124 | 863 | 348 |
| 442 | Housing | 2 | 124 | 578 | 395 |
| 442 | Colloids | 2 | 124 | 3886 | 3195 |
| 445 | Speech Disorders | 7 | 123 | 640 | 724 |
| 446 | feeding behavior | 5 | 122 | 509 | 682 |
| 446 | environmental issues | 1 | 122 | 817 | 387 |
| 448 | Biopharmaceutics | 6 | 121 | 821 | 1105 |
| 448 | Pharmacokinetics | 8 | 121 | 490 | 812 |
| 448 | civil rights | 2 | 121 | 512 | 176 |
| 448 | nuclear magnetic resonance spectroscopy | 4 | 121 | 681 | 510 |
| 448 | Learning | 5 | 121 | 978 | 1049 |
| 448 | sexual behavior | 2 | 121 | 836 | 540 |
| 454 | Political Psychology | 4 | 120 | 282 | 344 |
| 454 | Biogeochemistry | 2 | 120 | 1303 | 1177 |
| 454 | Personality Assessment | 5 | 120 | 408 | 533 |
| 457 | Sensor Networks | 6 | 119 | 112 | 130 |
| 458 | Earthquake Engineering | 6 | 116 | 938 | 1125 |
| 458 | Soft Condensed Matter | 1 | 116 | 1643 | 955 |
| 458 | Chemical analysis | 2 | 116 | 1468 | 1022 |
| 458 | biopolymers | 1 | 116 | 1835 | 1049 |
| 462 | Computer Engineering | 4 | 115 | 868 | 620 |
| 463 | Molecular evolution | 5 | 114 | 1153 | 1589 |
| 463 | Food | 5 | 114 | 2542 | 2949 |
| 463 | RNA | 4 | 114 | 446 | 573 |
| 463 | African Americans | 4 | 114 | 138 | 76 |
| 467 | energy conservation | 3 | 113 | 2115 | 2260 |
| 467 | Adolescent Psychology | 4 | 113 | 666 | 695 |
| 467 | nuclear magnetic resonance | 3 | 113 | 1040 | 764 |
| 470 | Educational Anthropology | 2 | 112 | 131 | 56 |
| 470 | ethnicity | 8 | 112 | 359 | 375 |
| 472 | Heterocyclic compounds | 5 | 111 | 786 | 531 |
| 472 | Appetite | 4 | 111 | 508 | 660 |
| 474 | Nanoparticles | 3 | 110 | 1859 | 1739 |
| 474 | technical education | 2 | 110 | 837 | 446 |
| 474 | African American | 3 | 110 | 120 | 64 |
| 477 | crime victims | 3 | 109 | 141 | 85 |
| 477 | Intellectual disability | 7 | 109 | 500 | 652 |
| 479 | Plant Ecology | 3 | 108 | 1716 | 1812 |
| 479 | Biomass Energy | 3 | 108 | 2490 | 2572 |
| 479 | Psychometrics | 1 | 108 | 677 | 377 |
| 479 | pollutants | 9 | 108 | 1082 | 1998 |
| 479 | Environmental pollutants | 9 | 108 | 1359 | 2283 |
| 479 | nucleotides | 11 | 108 | 126 | 143 |
| 479 | language | 6 | 108 | 567 | 742 |
| 486 | probabilities | 23 | 107 | 439 | 740 |
| 487 | health planning | 5 | 106 | 1698 | 1694 |
| 488 | Green Chemistry | 2 | 105 | 1975 | 1895 |
| 488 | Sustainable Engineering | 2 | 105 | 1966 | 1638 |
| 488 | Continuing Education | 6 | 105 | 251 | 194 |
| 488 | Entomology | 3 | 105 | 2361 | 1638 |
| 492 | Child | 7 | 102 | 1550 | 1981 |
| 492 | Solid State Chemistry | 8 | 102 | 1652 | 1969 |
| 492 | Diagnostic Imaging | 6 | 102 | 1531 | 1797 |
| 492 | Antioxidants | 1 | 102 | 1265 | 1023 |
| 492 | Hearing | 6 | 102 | 441 | 520 |
| 492 | Oxidation-reduction | 1 | 102 | 1263 | 1133 |
| 498 | Urban Geography | 5 | 101 | 156 | 185 |
| 498 | Cell differentiation | 4 | 101 | 1461 | 2044 |
| 500 | Freshwater Ecology | 3 | 100 | 263 | 105 |
| 500 | Aquatic animals | 3 | 100 | 196 | 123 |
| 502 | Combinatorial chemistry | 3 | 99 | 927 | 989 |
| 502 | Information society | 4 | 99 | 81 | 96 |
| 504 | Experimental Design | 6 | 98 | 165 | 275 |
| 504 | Quality Control | 6 | 98 | 1287 | 1672 |
| 504 | Cultural diversity | 4 | 98 | 131 | 188 |
| 504 | Multivariate Analysis | 3 | 98 | 485 | 377 |
| 504 | Wetland ecology | 1 | 98 | 881 | 384 |
| 504 | Wetland conservation | 1 | 98 | 644 | 266 |
| 504 | medical education | 4 | 98 | 1480 | 1392 |
| 504 | Wetlands | 1 | 98 | 658 | 267 |
| 512 | Biogeochemical cycles | 2 | 96 | 525 | 654 |
| 512 | Chromosome mapping | 3 | 96 | 1872 | 2115 |
| 512 | Porous materials | 1 | 96 | 1296 | 528 |
| 512 | gene mapping | 3 | 96 | 2059 | 2370 |
| 516 | Entropy | 10 | 95 | 486 | 765 |
| 517 | Marine Ecology | 5 | 94 | 571 | 648 |
| 517 | Conservation Biology | 3 | 94 | 1166 | 1238 |
| 517 | Vaccines | 2 | 94 | 2335 | 1897 |
| 520 | Health Services Research | 7 | 93 | 1071 | 1506 |
| 520 | world | 3 | 93 | 689 | 956 |
| 522 | disabilities | 4 | 92 | 615 | 645 |
| 523 | Culture | 6 | 91 | 762 | 642 |
| 524 | Trace elements | 1 | 90 | 566 | 367 |
| 525 | Language Disorders | 5 | 89 | 644 | 672 |
| 525 | locomotion | 2 | 89 | 767 | 630 |
| 525 | posture | 2 | 89 | 767 | 630 |
| 525 | Speech | 5 | 89 | 673 | 860 |
| 525 | gait | 2 | 89 | 767 | 630 |
| 525 | walking | 2 | 89 | 767 | 630 |
| 531 | Philosophy | 12 | 88 | 876 | 712 |
| 531 | Occupational Therapy | 2 | 88 | 1243 | 565 |
| 531 | Occupational Health | 2 | 88 | 1358 | 858 |
| 531 | Industrial Safety | 2 | 88 | 1483 | 1048 |
| 531 | industrial hygiene | 2 | 88 | 1436 | 691 |
| 536 | Psychopharmacology | 3 | 87 | 1459 | 1660 |
| 536 | Patient education | 2 | 87 | 722 | 690 |
| 538 | Neurobiology | 3 | 86 | 1641 | 1988 |
| 538 | Sociobiology | 3 | 86 | 250 | 199 |
| 538 | drug abuse | 3 | 86 | 639 | 588 |
| 538 | extraterrestrial environment | 4 | 86 | 490 | 458 |
| 538 | astronomical phenomena | 4 | 86 | 445 | 413 |
| 543 | Labor Economics | 1 | 85 | 826 | 434 |
| 544 | Nuclear Energy | 4 | 84 | 956 | 794 |
| 544 | Functional Genomics | 1 | 84 | 508 | 422 |
| 544 | Psychoanalytic theory | 1 | 84 | 115 | 38 |
| 544 | Psychoanalysis | 1 | 84 | 654 | 172 |
| 544 | nuclear power | 4 | 84 | 401 | 290 |
| 544 | viruses | 3 | 84 | 1456 | 1854 |
| 550 | peace | 4 | 83 | 390 | 448 |
| 551 | Speech-Language Pathology | 1 | 82 | 555 | 265 |
| 551 | Social Media | 7 | 82 | 86 | 169 |
| 551 | automatic speech recognition | 1 | 82 | 323 | 161 |
| 554 | Quantum Computing | 3 | 81 | 184 | 218 |
| 554 | data collection | 2 | 81 | 1382 | 1320 |
| 554 | Quantum theory | 3 | 81 | 901 | 799 |
| 557 | terrorism | 3 | 80 | 263 | 174 |
| 557 | Hospitals | 4 | 80 | 501 | 589 |
| 557 | Communication | 7 | 80 | 1361 | 1867 |
| 560 | Structural design | 3 | 79 | 716 | 629 |
| 560 | Engineering Geology | 1 | 79 | 2049 | 1467 |
| 560 | Technological Innovations | 5 | 79 | 791 | 1066 |
| 560 | radioactive waste | 1 | 79 | 1390 | 1346 |
| 560 | industrial waste | 1 | 79 | 1430 | 1349 |
| 560 | Hazardous waste | 1 | 79 | 1604 | 1420 |
| 566 | Cybernetics | 6 | 78 | 1156 | 1649 |
| 566 | Sequential Analysis | 4 | 78 | 56 | 24 |
| 568 | Oncology | 1 | 77 | 3661 | 3144 |
| 568 | Medical Oncology | 1 | 77 | 2655 | 2098 |
| 570 | Language and Culture | 2 | 76 | 196 | 66 |
| 571 | cardiac catheterization | 1 | 75 | 1191 | 652 |
| 572 | Long-Term Care | 5 | 74 | 377 | 692 |
| 572 | Long-term care facilities | 5 | 74 | 371 | 688 |
| 572 | Intelligent Control Systems | 4 | 74 | 1013 | 761 |
| 572 | Dementia | 17 | 74 | 678 | 1106 |
| 572 | Alzheimer's disease | 16 | 74 | 714 | 1216 |
| 572 | Memory | 6 | 74 | 1235 | 1983 |
| 578 | atmosphere | 3 | 73 | 796 | 924 |
| 579 | Nondestructive testing | 2 | 72 | 878 | 636 |
| 579 | Information Retrieval | 5 | 72 | 335 | 556 |
| 579 | Europe | 6 | 72 | 2307 | 2806 |
| 582 | Public Health Administration | 1 | 71 | 685 | 285 |
| 582 | Anxiety Disorders | 2 | 71 | 610 | 800 |
| 582 | Anxiety | 2 | 71 | 608 | 792 |
| 585 | Hemostasis | 1 | 70 | 1193 | 796 |
| 585 | Thrombosis | 1 | 70 | 1559 | 1202 |
| 585 | System design | 8 | 70 | 106 | 273 |
| 588 | Obstetrics | 3 | 69 | 2297 | 2335 |
| 588 | Nonlinear mechanics | 6 | 69 | 240 | 407 |
| 590 | Adolescent Medicine | 1 | 68 | 1011 | 950 |
| 590 | Systems Biology | 4 | 68 | 1360 | 1836 |
| 590 | air quality | 1 | 68 | 545 | 247 |
| 590 | Therapeutics | 2 | 68 | 2096 | 2217 |
| 594 | Database Management | 7 | 67 | 534 | 877 |
| 594 | health and race | 3 | 67 | 218 | 254 |
| 594 | Vaccination | 1 | 67 | 576 | 395 |
| 597 | Nanophotonics | 4 | 66 | 281 | 448 |
| 598 | gene therapy | 1 | 65 | 1786 | 1488 |
| 599 | Applied Linguistics | 6 | 64 | 368 | 482 |
| 599 | Computational Intelligence | 4 | 64 | 936 | 1022 |
| 599 | Eating Disorders | 3 | 64 | 821 | 930 |
| 599 | Feeding and Eating Disorders | 3 | 64 | 781 | 896 |
| 599 | families | 6 | 64 | 549 | 761 |
| 604 | Educational Leadership | 1 | 63 | 320 | 124 |
| 604 | Manufacturing Processes | 1 | 63 | 3260 | 2346 |
| 604 | Production Engineering | 1 | 63 | 2968 | 1849 |
| 604 | hazard mitigation | 2 | 63 | 1216 | 1158 |
| 608 | Computational Chemistry | 1 | 62 | 1113 | 813 |
| 608 | Psycholinguistics | 3 | 62 | 915 | 1031 |
| 608 | Enzyme | 1 | 62 | 880 | 787 |
| 608 | social science | 1 | 62 | 300 | 277 |
| 608 | eugenics | 3 | 62 | 543 | 648 |
| 613 | Environmental Toxicology | 2 | 61 | 2885 | 3210 |
| 613 | Plant breeding | 2 | 61 | 1044 | 981 |
| 613 | Visual Perception | 5 | 61 | 1248 | 1931 |
| 613 | sadness | 2 | 61 | 305 | 197 |
| 613 | drug therapy | 4 | 61 | 1990 | 2748 |
| 613 | child behavior | 2 | 61 | 453 | 484 |
| 613 | death | 2 | 61 | 413 | 241 |
| 613 | Suicide | 2 | 61 | 687 | 599 |
| 613 | antisocial personality disorder | 2 | 61 | 305 | 197 |
| 613 | Phylogeny | 3 | 61 | 936 | 1282 |
| 623 | Pathology | 1 | 60 | 3523 | 2915 |
| 623 | International Relations | 2 | 60 | 1450 | 806 |
| 623 | residential treatment | 4 | 60 | 108 | 154 |
| 623 | Synapses | 3 | 60 | 265 | 389 |
| 623 | women | 7 | 60 | 472 | 619 |
| 628 | Bioenergetics | 1 | 59 | 1316 | 1144 |
| 628 | Neonatology | 2 | 59 | 754 | 733 |
| 628 | Energy metabolism | 1 | 59 | 896 | 795 |
| 628 | Semantic web | 3 | 59 | 146 | 184 |
| 628 | cell membrane | 1 | 59 | 856 | 772 |
| 633 | Behavioral research | 4 | 58 | 391 | 435 |
| 633 | Measurement | 7 | 58 | 813 | 1472 |
| 633 | Soil biology | 4 | 58 | 781 | 1334 |
| 633 | Africa | 1 | 58 | 2790 | 1323 |
| 633 | Bereavement | 1 | 58 | 393 | 169 |
| 638 | Dentistry | 1 | 57 | 1173 | 641 |
| 638 | Architecture | 3 | 57 | 662 | 413 |
| 638 | construction | 3 | 57 | 172 | 273 |
| 641 | Chemical Ecology | 2 | 56 | 645 | 759 |
| 641 | Environmental Economics | 2 | 56 | 552 | 502 |
| 641 | Career development | 2 | 56 | 527 | 395 |
| 641 | pheromones | 2 | 56 | 585 | 732 |
| 645 | Sports | 2 | 55 | 2315 | 1850 |
| 645 | ethnic groups | 3 | 55 | 319 | 385 |
| 647 | Avionics | 2 | 54 | 204 | 150 |
| 647 | Algorithms | 9 | 54 | 316 | 682 |
| 647 | Organizational learning | 2 | 54 | 659 | 392 |
| 647 | Organometallic chemistry | 3 | 54 | 1940 | 1905 |
| 647 | organizational effectiveness | 2 | 54 | 543 | 498 |
| 647 | sports administration | 1 | 54 | 550 | 326 |
| 647 | Relationships | 2 | 54 | 192 | 242 |
| 647 | Performance | 2 | 54 | 340 | 359 |
| 655 | Hematology | 3 | 53 | 2710 | 3156 |
| 656 | Demography | 3 | 52 | 704 | 902 |
| 656 | elasticity | 3 | 52 | 215 | 240 |
| 656 | Cell death | 1 | 52 | 1774 | 1881 |
| 656 | rivers | 2 | 52 | 372 | 385 |
| 660 | Geochemistry | 4 | 51 | 1704 | 2387 |
| 660 | community development | 5 | 51 | 402 | 670 |
| 660 | Cognitive Science | 2 | 51 | 1796 | 1907 |
| 660 | Multilingualism | 2 | 51 | 376 | 334 |
| 660 | International security | 1 | 51 | 364 | 358 |
| 660 | Investigations | 2 | 51 | 6 | 2 |
| 660 | finance | 5 | 51 | 1822 | 2207 |
| 660 | freshwater biology | 3 | 51 | 973 | 1187 |
| 660 | conflict management | 1 | 51 | 432 | 378 |
| 669 | Remote Sensing | 7 | 50 | 973 | 1426 |
| 669 | Superconductors | 7 | 50 | 651 | 896 |
| 669 | irreversible processes | 1 | 50 | 67 | 33 |
| 669 | Nonequilibrium thermodynamics | 1 | 50 | 67 | 33 |
| 673 | Pharmacy | 2 | 49 | 2599 | 2736 |
| 673 | Cryptography | 10 | 49 | 257 | 525 |
| 673 | Probability | 3 | 49 | 598 | 750 |
| 673 | Fracture mechanics | 5 | 49 | 1100 | 1603 |
| 673 | Risk | 3 | 49 | 544 | 772 |
| 673 | Transplantation | 1 | 49 | 1604 | 1520 |
| 673 | human development | 3 | 49 | 775 | 1106 |
| 680 | Energy Conversion | 2 | 48 | 1469 | 1786 |
| 680 | Energy Storage | 2 | 48 | 1546 | 1558 |
| 680 | Simulation Methods | 8 | 48 | 482 | 1140 |
| 680 | Quality Assurance | 1 | 48 | 735 | 397 |
| 680 | Neural circuitry | 4 | 48 | 1728 | 2526 |
| 680 | California | 2 | 48 | 509 | 476 |
| 686 | Semiconductors | 2 | 47 | 2397 | 2201 |
| 686 | homosexuality | 3 | 47 | 378 | 504 |
| 686 | North America | 2 | 47 | 1053 | 934 |
| 689 | Chronobiology | 1 | 46 | 937 | 659 |
| 689 | Risk Management | 2 | 46 | 908 | 937 |
| 689 | Circadian rhythms | 1 | 46 | 698 | 589 |
| 689 | biological clocks | 1 | 46 | 937 | 659 |
| 689 | Electrochemical Analysis | 3 | 46 | 1526 | 1852 |
| 689 | Financial management | 2 | 46 | 623 | 802 |
| 689 | circadian rhythm | 1 | 46 | 937 | 659 |
| 689 | biological rhythms | 1 | 46 | 888 | 648 |
| 689 | Interactive multimedia | 3 | 46 | 628 | 855 |
| 689 | United Kingdom | 5 | 46 | 1230 | 2070 |
| 699 | Mechatronics | 3 | 45 | 919 | 1232 |
| 699 | Histochemistry | 1 | 45 | 1758 | 1338 |
| 699 | Gene expression regulation | 2 | 45 | 1246 | 1448 |
| 699 | histological techniques | 1 | 45 | 1095 | 1147 |
| 699 | War and Society | 4 | 45 | 157 | 350 |
| 699 | civilization | 11 | 45 | 656 | 526 |
| 705 | Epigenetics | 2 | 44 | 285 | 306 |
| 705 | Tourism | 1 | 44 | 2407 | 2083 |
| 705 | Epigenomics | 2 | 44 | 279 | 298 |
| 705 | family studies | 2 | 44 | 49 | 96 |
| 705 | Parenting | 2 | 44 | 73 | 112 |
| 705 | Child rearing | 2 | 44 | 73 | 112 |
| 705 | Microstructure | 1 | 44 | 1517 | 915 |
| 705 | dissociative disorders | 1 | 44 | 226 | 189 |
| 705 | Population | 4 | 44 | 863 | 1306 |
| 705 | population geography | 1 | 44 | 712 | 525 |
| 715 | Land use | 3 | 43 | 1153 | 1695 |
| 715 | Coral reef biology | 1 | 43 | 508 | 506 |
| 715 | France | 10 | 43 | 144 | 290 |
| 715 | Budget | 6 | 43 | 54 | 136 |
| 715 | color | 1 | 43 | 504 | 291 |
| 720 | Orthopedics | 1 | 42 | 2430 | 1998 |
| 720 | Landscape Ecology | 2 | 42 | 576 | 808 |
| 720 | Orthopedic Surgery | 1 | 42 | 1399 | 1145 |
| 720 | Food additives | 2 | 42 | 1466 | 1833 |
| 720 | Race | 2 | 42 | 77 | 86 |
| 720 | mycoses | 1 | 42 | 1381 | 1449 |
| 720 | Bacterial infections | 1 | 42 | 1494 | 1558 |
| 720 | Host-parasite interactions | 1 | 42 | 1885 | 2190 |
| 728 | Information Theory | 6 | 41 | 1054 | 1681 |
| 728 | Quantum Chemistry | 4 | 41 | 775 | 852 |
| 728 | Flexible manufacturing systems | 2 | 41 | 512 | 651 |
| 728 | school environment | 1 | 41 | 204 | 160 |
| 728 | cell physiology | 2 | 41 | 1809 | 2369 |
| 733 | Ocean-atmosphere interaction | 2 | 40 | 126 | 76 |
| 733 | biological monitoring | 5 | 40 | 359 | 911 |
| 735 | Petrology | 1 | 39 | 1243 | 1128 |
| 735 | Community Colleges | 3 | 39 | 187 | 154 |
| 735 | innovation | 1 | 39 | 1042 | 1026 |
| 735 | Instructional materials | 1 | 39 | 125 | 81 |
| 735 | Educational evaluation | 1 | 39 | 342 | 215 |
| 740 | Political Economy | 2 | 37 | 192 | 130 |
| 740 | Clinical Pharmacology | 1 | 37 | 2349 | 2057 |
| 740 | Photochemistry | 7 | 37 | 1175 | 2437 |
| 740 | Political Parties | 2 | 37 | 270 | 312 |
| 740 | Health insurance | 3 | 37 | 438 | 628 |
| 740 | Multimedia Systems | 5 | 37 | 1477 | 2119 |
| 740 | Wind power | 1 | 37 | 607 | 422 |
| 740 | immigration | 1 | 37 | 378 | 352 |
| 740 | migration policy | 1 | 37 | 386 | 360 |
| 740 | Asylum seeker | 1 | 37 | 308 | 343 |
| 740 | children | 2 | 37 | 637 | 735 |
| 751 | Ergonomics | 6 | 36 | 705 | 1225 |
| 751 | Digital humanities | 1 | 36 | 207 | 148 |
| 751 | Data Warehousing | 6 | 36 | 3 | 32 |
| 751 | Developmental Disabilities | 3 | 36 | 939 | 1536 |
| 751 | Documentation | 3 | 36 | 297 | 409 |
| 756 | Environmental Microbiology | 2 | 35 | 1727 | 2429 |
| 756 | Maternal health services | 2 | 35 | 470 | 628 |
| 756 | Futures | 1 | 35 | 558 | 430 |
| 756 | Literacy | 3 | 35 | 268 | 357 |
| 756 | India | 11 | 35 | 617 | 1379 |
| 756 | Fisheries | 3 | 35 | 1641 | 2075 |
| 762 | Game Theory | 3 | 34 | 584 | 660 |
| 762 | Fluid Mechanics | 3 | 34 | 1688 | 2038 |
| 762 | monitoring | 1 | 34 | 533 | 360 |
| 762 | Nonprofit organizations | 1 | 34 | 591 | 539 |
| 766 | Serology | 1 | 33 | 990 | 883 |
| 766 | Computer Vision | 2 | 33 | 1384 | 1763 |
| 766 | Psychiatric Nursing | 1 | 33 | 1128 | 887 |
| 766 | Primary health care | 3 | 33 | 1773 | 2537 |
| 766 | complementary therapies | 4 | 33 | 1858 | 3017 |
| 771 | Multicultural Education | 1 | 32 | 653 | 478 |
| 771 | Forest Ecology | 2 | 32 | 1232 | 1666 |
| 771 | Radiochemistry | 2 | 32 | 1291 | 1142 |
| 771 | income distribution | 1 | 32 | 282 | 287 |
| 771 | local government | 5 | 32 | 232 | 532 |
| 771 | Radiobiology | 2 | 32 | 1682 | 2055 |
| 771 | warfare | 3 | 32 | 267 | 530 |
| 771 | Chromatographic analysis | 4 | 32 | 1750 | 2517 |
| 771 | international cooperation | 3 | 32 | 585 | 1016 |
| 780 | Ecological Engineering | 1 | 31 | 1150 | 1363 |
| 780 | Urban Renewal | 1 | 31 | 173 | 116 |
| 780 | multimedia | 2 | 31 | 666 | 877 |
| 780 | disease outbreaks | 1 | 31 | 926 | 1053 |
| 780 | Epidemics | 1 | 31 | 870 | 1034 |
| 785 | Medical Microbiology | 1 | 30 | 3408 | 3727 |
| 785 | Ethnic relations | 2 | 30 | 748 | 647 |
| 785 | Crystallography | 6 | 30 | 1265 | 1591 |
| 785 | Small Business | 1 | 30 | 1165 | 1329 |
| 785 | Student Health Services | 4 | 30 | 220 | 450 |
| 785 | Autism | 2 | 30 | 814 | 1213 |
| 791 | biofuels | 1 | 29 | 544 | 862 |
| 791 | Neurotransmitters | 2 | 29 | 585 | 712 |
| 791 | Alternative Medicine | 3 | 29 | 1987 | 3010 |
| 791 | Mass Media | 4 | 29 | 842 | 807 |
| 791 | body temperature | 1 | 29 | 966 | 889 |
| 791 | World Wide Web | 2 | 29 | 605 | 562 |
| 797 | Algebra | 1 | 28 | 2040 | 1288 |
| 797 | Ethnic Conflict | 1 | 28 | 462 | 459 |
| 797 | Migration | 1 | 28 | 399 | 241 |
| 797 | forced migration | 1 | 28 | 462 | 459 |
| 797 | national security | 2 | 28 | 485 | 363 |
| 802 | Health Services Administration | 3 | 27 | 1087 | 1854 |
| 802 | Neurochemistry | 2 | 27 | 2591 | 3431 |
| 802 | fuel cells | 1 | 27 | 1843 | 1908 |
| 802 | Molecular Spectroscopy | 2 | 27 | 2072 | 2561 |
| 802 | Iron | 1 | 27 | 589 | 514 |
| 802 | security measures | 1 | 27 | 93 | 85 |
| 808 | Genetic Counseling | 1 | 26 | 469 | 416 |
| 808 | Histology | 3 | 26 | 1887 | 3019 |
| 808 | Clinical Biochemistry | 1 | 26 | 1966 | 1998 |
| 808 | dual diagnosis | 2 | 26 | 135 | 152 |
| 808 | Molecular recognition | 1 | 26 | 477 | 462 |
| 813 | economic forecasting | 3 | 25 | 305 | 630 |
| 813 | mental health policy | 2 | 25 | 251 | 366 |
| 813 | Forecasting | 3 | 25 | 537 | 897 |
| 813 | Solitons | 2 | 25 | 1360 | 1686 |
| 813 | Fractals | 2 | 25 | 1546 | 1810 |
| 813 | Environmental risk assessment | 2 | 25 | 571 | 769 |
| 813 | Chaos | 2 | 25 | 1360 | 1686 |
| 813 | Europa | 1 | 25 | 879 | 843 |
| 813 | Fluorescence | 4 | 25 | 340 | 721 |
| 813 | Economic planning | 3 | 25 | 458 | 945 |
| 823 | Urban Planning | 1 | 24 | 680 | 760 |
| 823 | Surface Chemistry | 3 | 24 | 3515 | 4903 |
| 823 | Nanomedicine | 1 | 24 | 486 | 644 |
| 823 | Educational Technology | 5 | 24 | 1216 | 2378 |
| 823 | Semantics | 1 | 24 | 464 | 371 |
| 823 | Evidence-Based Medicine | 2 | 24 | 1712 | 2226 |
| 823 | Chromatography | 2 | 24 | 2054 | 2583 |
| 823 | Sulfur | 1 | 24 | 227 | 128 |
| 823 | Urban Areas | 1 | 24 | 444 | 409 |
| 832 | Agricultural Engineering | 1 | 23 | 934 | 912 |
| 832 | Welfare Economics | 1 | 23 | 685 | 667 |
| 832 | Cost control | 1 | 23 | 259 | 232 |
| 832 | DNA methylation | 1 | 23 | 553 | 746 |
| 832 | Transport | 2 | 23 | 746 | 1200 |
| 832 | Government policy | 1 | 23 | 332 | 356 |
| 832 | Sea | 2 | 23 | 664 | 1036 |
| 832 | Social support | 1 | 23 | 333 | 415 |
| 832 | Fishery resources | 2 | 23 | 736 | 1116 |
| 832 | Social environment | 1 | 23 | 405 | 470 |
| 842 | Crystallization | 5 | 22 | 425 | 734 |
| 842 | Reproductive health | 2 | 22 | 1012 | 1531 |
| 842 | mass transfer | 3 | 22 | 1600 | 2443 |
| 842 | Genetic regulation | 1 | 22 | 1840 | 2105 |
| 842 | plant health | 1 | 22 | 80 | 101 |
| 842 | Diplomatic relations | 2 | 22 | 900 | 632 |
| 842 | civil service | 2 | 22 | 446 | 584 |
| 849 | Pharmaceutical Technology | 2 | 21 | 1907 | 2670 |
| 849 | Computational Linguistics | 3 | 21 | 556 | 789 |
| 849 | Combustion | 2 | 21 | 1446 | 1933 |
| 849 | Drug delivery systems | 2 | 21 | 1906 | 2857 |
| 849 | Energy Harvesting | 1 | 21 | 742 | 1002 |
| 854 | Geriatric Nursing | 3 | 20 | 462 | 778 |
| 854 | Calculus of Variations | 2 | 20 | 592 | 638 |
| 854 | Human-robot interaction | 1 | 20 | 124 | 138 |
| 854 | glycoproteins | 1 | 20 | 812 | 1022 |
| 854 | Glycoconjugates | 1 | 20 | 812 | 1022 |
| 854 | Oligosaccharide | 1 | 20 | 569 | 781 |
| 854 | Carbohydrates | 1 | 20 | 788 | 956 |
| 854 | glycolipids | 1 | 20 | 812 | 1022 |
| 862 | Ecological Genetics | 1 | 19 | 1157 | 1155 |
| 862 | Political Geography | 3 | 19 | 267 | 526 |
| 862 | Econometrics | 4 | 19 | 1211 | 1777 |
| 862 | Sociolinguistics | 3 | 19 | 441 | 656 |
| 862 | Brain-Computer Interfaces | 2 | 19 | 57 | 96 |
| 862 | Microbial Biotechnology | 1 | 19 | 1742 | 2051 |
| 862 | Body Image | 1 | 19 | 371 | 551 |
| 862 | Tropical Medicine | 1 | 19 | 2976 | 3115 |
| 862 | synthesis | 2 | 19 | 1362 | 1532 |
| 862 | Marine mammals | 3 | 19 | 264 | 517 |
| 872 | Audiology | 1 | 18 | 1140 | 1216 |
| 872 | Embedded Systems | 3 | 18 | 198 | 363 |
| 872 | Intercultural Communication | 1 | 18 | 709 | 720 |
| 872 | Higher Education | 1 | 18 | 1052 | 964 |
| 872 | Ceramics | 2 | 18 | 1883 | 2258 |
| 872 | Plant Morphology | 1 | 18 | 1046 | 1141 |
| 872 | Social Networks | 3 | 18 | 274 | 700 |
| 872 | Oxidative stress | 1 | 18 | 1943 | 2582 |
| 872 | Cellular senescence | 1 | 18 | 1422 | 1954 |
| 872 | Cross-Cultural Studies | 1 | 18 | 1245 | 1314 |
| 872 | Regional Development | 2 | 18 | 317 | 531 |
| 872 | Hearing Aids | 1 | 18 | 365 | 350 |
| 872 | Neuromuscular diseases | 1 | 18 | 1001 | 1209 |
| 872 | Development planning | 2 | 18 | 273 | 500 |
| 872 | industrial relations | 1 | 18 | 1311 | 1254 |
| 872 | Employee rights | 1 | 18 | 175 | 149 |
| 872 | Glass | 1 | 18 | 1723 | 1904 |
| 872 | pottery | 1 | 18 | 1659 | 1846 |
| 872 | Membranes | 2 | 18 | 1946 | 2971 |
| 872 | Muscles | 1 | 18 | 1346 | 1701 |
| 892 | Law | 3 | 17 | 1540 | 1352 |
| 892 | Nonparametric Statistics | 2 | 17 | 217 | 267 |
| 892 | Cognitive Therapy | 2 | 17 | 761 | 1175 |
| 892 | Computational Fluid Dynamics | 2 | 17 | 831 | 1194 |
| 892 | Acarology | 1 | 17 | 559 | 662 |
| 892 | Mites | 1 | 17 | 779 | 781 |
| 892 | Ticks | 1 | 17 | 604 | 679 |
| 892 | Acari | 1 | 17 | 541 | 656 |
| 900 | Molecular Pharmacology | 2 | 16 | 990 | 1739 |
| 900 | Combinatorial optimization | 3 | 16 | 502 | 765 |
| 900 | Immunogenetics | 1 | 16 | 1158 | 1378 |
| 900 | Social stigma | 1 | 16 | 17 | 46 |
| 900 | Invertebrates | 1 | 16 | 1045 | 1224 |
| 900 | Written communication | 1 | 16 | 203 | 219 |
| 900 | Capital asset pricing model | 1 | 16 | 130 | 148 |
| 907 | Nursing | 3 | 15 | 1862 | 2888 |
| 907 | Agricultural Chemistry | 1 | 15 | 3397 | 3835 |
| 907 | Systems Analysis | 2 | 15 | 1378 | 2046 |
| 907 | Popular culture | 2 | 15 | 660 | 546 |
| 907 | Religion | 1 | 15 | 1550 | 943 |
| 907 | Expert Systems | 1 | 15 | 484 | 522 |
| 907 | Spirituality | 1 | 15 | 158 | 115 |
| 907 | Drug design | 1 | 15 | 2885 | 3235 |
| 907 | Socioeconomic Factors | 1 | 15 | 1416 | 1923 |
| 907 | Knot Theory | 1 | 15 | 403 | 243 |
| 907 | big data | 2 | 15 | 800 | 1275 |
| 907 | Renaissance | 5 | 15 | 164 | 182 |
| 907 | research and development | 1 | 15 | 710 | 869 |
| 907 | Scandinavia | 2 | 15 | 891 | 1413 |
| 921 | Industrial Engineering | 1 | 14 | 3011 | 3264 |
| 921 | Development Economics | 1 | 14 | 826 | 981 |
| 921 | Bioethics | 2 | 14 | 1111 | 1524 |
| 921 | Medical Ethics | 2 | 14 | 1411 | 1958 |
| 921 | Art | 2 | 14 | 560 | 295 |
| 921 | Popular Music | 1 | 14 | 194 | 114 |
| 921 | nursing ethics | 1 | 14 | 471 | 654 |
| 921 | infection | 1 | 14 | 2597 | 3265 |
| 921 | Groundwater | 2 | 14 | 875 | 1361 |
| 921 | disaster relief | 2 | 14 | 261 | 615 |
| 921 | strategy | 1 | 14 | 351 | 267 |
| 921 | Informatics | 1 | 14 | 1423 | 1711 |
| 921 | Consciousness | 1 | 14 | 810 | 859 |
| 934 | Cloud Computing | 1 | 13 | 687 | 928 |
| 934 | Queuing Theory | 1 | 13 | 285 | 305 |
| 934 | Biological Systems | 2 | 13 | 1041 | 1631 |
| 934 | Memory disorders | 1 | 13 | 476 | 560 |
| 934 | Aerosols | 2 | 13 | 675 | 1080 |
| 934 | pain management | 1 | 13 | 1132 | 1276 |
| 934 | Microscopy | 1 | 13 | 2606 | 2591 |
| 934 | aerosol | 2 | 13 | 473 | 787 |
| 942 | Urology | 1 | 12 | 2474 | 2990 |
| 942 | Mathematics Education | 1 | 12 | 776 | 728 |
| 942 | Optical Communications | 4 | 12 | 734 | 1433 |
| 942 | Intelligence | 1 | 12 | 425 | 553 |
| 942 | Forest Management | 1 | 12 | 1544 | 1960 |
| 942 | Calorimetry | 1 | 12 | 1900 | 2167 |
| 942 | Social interaction | 1 | 12 | 566 | 720 |
| 942 | Radio waves | 1 | 12 | 1426 | 1680 |
| 942 | Cerebellum | 1 | 12 | 517 | 752 |
| 942 | Scotland | 2 | 12 | 155 | 255 |
| 942 | Thermal analysis | 1 | 12 | 1900 | 2167 |
| 942 | Cerebellar ataxia | 1 | 12 | 517 | 752 |
| 954 | Gender Studies | 1 | 11 | 835 | 1044 |
| 954 | Queer Studies | 1 | 11 | 520 | 730 |
| 954 | Logistics | 1 | 11 | 936 | 1235 |
| 954 | Political Sociology | 1 | 11 | 753 | 814 |
| 954 | polar regions | 1 | 11 | 1120 | 1382 |
| 954 | DNA repair | 1 | 11 | 537 | 771 |
| 954 | educational innovations | 4 | 11 | 397 | 1086 |
| 961 | Visual Arts | 1 | 10 | 156 | 190 |
| 961 | Fashion Design | 1 | 10 | 87 | 121 |
| 961 | Stochastic Processes | 2 | 10 | 1138 | 1682 |
| 961 | Restoration Ecology | 1 | 10 | 816 | 1081 |
| 961 | Human Rights | 2 | 10 | 748 | 1149 |
| 961 | Electromagnetism | 1 | 10 | 1623 | 1806 |
| 961 | Democracy | 7 | 10 | 143 | 545 |
| 961 | Cognitive Behavioral Therapy | 1 | 10 | 404 | 567 |
| 961 | Online social networks | 2 | 10 | 406 | 884 |
| 961 | soil microbiology | 1 | 10 | 2233 | 3112 |
| 961 | Human Capital | 1 | 10 | 480 | 640 |
| 961 | Magnetic Materials | 2 | 10 | 1801 | 2416 |
| 961 | Art and Society | 1 | 10 | 87 | 34 |
| 961 | Protein engineering | 1 | 10 | 464 | 703 |
| 961 | Fashion | 1 | 10 | 276 | 323 |
| 961 | molecular design | 1 | 10 | 513 | 726 |
| 961 | Textile industry | 1 | 10 | 916 | 947 |
| 961 | Birth control | 3 | 10 | 436 | 1291 |
| 979 | History | 29 | 9 | 329 | 911 |
| 979 | Anatomy | 1 | 9 | 2830 | 3424 |
| 979 | Embryology | 1 | 9 | 2171 | 2896 |
| 979 | Hydrogeology | 2 | 9 | 1023 | 1688 |
| 979 | Historical Geography | 6 | 9 | 92 | 281 |
| 979 | General Surgery | 2 | 9 | 745 | 1206 |
| 979 | Genetic epidemiology | 1 | 9 | 478 | 670 |
| 979 | Computational Mathematics | 1 | 9 | 207 | 294 |
| 979 | Biodegradation | 1 | 9 | 1347 | 1956 |
| 979 | Executive Power | 1 | 9 | 183 | 172 |
| 979 | Water Microbiology | 1 | 9 | 953 | 1447 |
| 979 | International Finance | 1 | 9 | 2222 | 2632 |
| 979 | Communication in medicine | 1 | 9 | 890 | 1248 |
| 979 | educational statistics | 1 | 9 | 181 | 252 |
| 979 | Latin America | 3 | 9 | 1329 | 1758 |
| 979 | Vocational guidance | 1 | 9 | 1326 | 1704 |
| 979 | plant viruses | 1 | 9 | 396 | 592 |
| 979 | telecommunication in education | 1 | 9 | 157 | 168 |
| 979 | heredity | 1 | 9 | 1181 | 1513 |
| 979 | Elections | 1 | 9 | 550 | 599 |
| 979 | Combinatorial analysis | 2 | 9 | 1240 | 1364 |
| 979 | Plant diseases | 1 | 9 | 2701 | 3198 |