| 1 | Medicine | 530 | 13.5K | 672 | 1067 |
| 2 | Science | 372 | 9.1K | 889 | 2004 |
| 3 | Public Health | 323 | 7.4K | 333 | 537 |
| 4 | Research | 308 | 6.6K | 806 | 1196 |
| 5 | Biology | 162 | 4.2K | 1627 | 2935 |
| 6 | Oncology | 9 | 3.9K | 1567 | 580 |
| 7 | Environmental monitoring | 68 | 3.3K | 629 | 592 |
| 8 | Microbiology | 54 | 3.0K | 2103 | 1867 |
| 9 | Pollution | 61 | 3.0K | 1433 | 1425 |
| 10 | Ecology | 90 | 2.9K | 1343 | 1733 |
| 11 | Epidemiology | 141 | 2.8K | 410 | 649 |
| 12 | Physics | 36 | 2.6K | 4382 | 3860 |
| 13 | management | 126 | 2.5K | 365 | 730 |
| 14 | environmental pollution | 58 | 2.5K | 1079 | 1054 |
| 15 | Environmental Health | 102 | 2.3K | 819 | 1326 |
| 16 | Chemistry | 84 | 2.2K | 2755 | 3304 |
| 17 | Developing countries | 100 | 2.2K | 173 | 288 |
| 18 | Africa | 189 | 2.1K | 34 | 56 |
| 19 | Economic History | 103 | 2.0K | 441 | 416 |
| 20 | Earth Sciences | 110 | 1.9K | 409 | 751 |
| 21 | Renewable Energy Sources | 30 | 1.7K | 683 | 879 |
| 22 | Environmental Policy | 74 | 1.7K | 438 | 908 |
| 23 | Medicinal plants | 33 | 1.6K | 257 | 227 |
| 24 | Adolescent | 27 | 1.6K | 624 | 356 |
| 25 | Pharmacognosy | 27 | 1.5K | 541 | 373 |
| 26 | Child | 15 | 1.5K | 1285 | 462 |
| 27 | Tropical Medicine | 44 | 1.4K | 307 | 231 |
| 28 | Sustainable Development | 75 | 1.3K | 107 | 430 |
| 29 | Land use | 37 | 1.3K | 126 | 146 |
| 30 | Nutrition | 62 | 1.2K | 1014 | 1457 |
| 31 | Virology | 19 | 1.2K | 1586 | 1746 |
| 32 | Malaria | 53 | 1.2K | 85 | 132 |
| 33 | Obstetrics | 35 | 1.2K | 790 | 696 |
| 34 | Pregnancy | 33 | 1.2K | 130 | 94 |
| 35 | Neurology | 64 | 1.1K | 1580 | 2414 |
| 36 | Biotechnology | 53 | 1.1K | 1840 | 2734 |
| 37 | Human Geography | 57 | 1.1K | 148 | 202 |
| 38 | city planning | 49 | 1.1K | 261 | 298 |
| 39 | Geography | 62 | 1.1K | 420 | 617 |
| 40 | Social Sciences | 81 | 1.1K | 530 | 613 |
| 40 | Economics | 67 | 1.1K | 1080 | 1175 |
| 42 | Economic Development | 36 | 1.1K | 374 | 513 |
| 43 | Immunology | 15 | 1.0K | 2320 | 1842 |
| 44 | Host-parasite interactions | 6 | 1.0K | 1055 | 663 |
| 45 | Parasitology | 49 | 1.0K | 544 | 632 |
| 46 | Health Services Research | 60 | 1.0K | 254 | 381 |
| 47 | Business | 50 | 1.0K | 389 | 759 |
| 48 | Immunity | 5 | 1.0K | 1877 | 1207 |
| 49 | Engineering | 60 | 977 | 904 | 977 |
| 50 | Environment | 33 | 964 | 1777 | 2794 |
| 51 | Human genetics | 7 | 958 | 1971 | 2178 |
| 52 | finance | 51 | 929 | 472 | 589 |
| 53 | Natural history | 8 | 895 | 3284 | 3887 |
| 54 | Food | 42 | 891 | 778 | 1088 |
| 55 | complementary therapies | 43 | 880 | 277 | 333 |
| 56 | Alternative Medicine | 41 | 875 | 277 | 327 |
| 57 | Chemical Engineering | 21 | 874 | 2324 | 2140 |
| 58 | Sociology | 45 | 843 | 681 | 841 |
| 59 | Parasitic Diseases | 38 | 817 | 493 | 735 |
| 60 | health planning | 37 | 813 | 432 | 421 |
| 61 | Agriculture | 60 | 807 | 348 | 715 |
| 62 | Urban Policy | 32 | 801 | 84 | 137 |
| 63 | Toxicology | 16 | 779 | 2685 | 2152 |
| 64 | food technology | 27 | 778 | 849 | 957 |
| 65 | radioactive waste | 4 | 768 | 742 | 283 |
| 65 | industrial waste | 4 | 768 | 784 | 284 |
| 65 | Hazardous waste | 4 | 768 | 909 | 302 |
| 68 | Primary health care | 51 | 767 | 282 | 450 |
| 69 | Environmental Toxicology | 19 | 763 | 973 | 1051 |
| 70 | United States | 36 | 755 | 1659 | 1814 |
| 71 | Environmental Management | 25 | 754 | 1014 | 1390 |
| 72 | environmental protection | 29 | 713 | 1111 | 1477 |
| 73 | Quality Control | 23 | 703 | 456 | 438 |
| 74 | construction industry | 40 | 689 | 5 | 6 |
| 75 | Materials | 20 | 676 | 3281 | 2970 |
| 76 | Biocompatible Materials | 3 | 659 | 4289 | 2183 |
| 77 | Medical Microbiology | 11 | 648 | 1535 | 1377 |
| 78 | Health Policy | 39 | 642 | 572 | 847 |
| 79 | food contamination | 23 | 630 | 177 | 153 |
| 80 | world | 6 | 625 | 559 | 357 |
| 81 | viruses | 5 | 613 | 1427 | 926 |
| 82 | Virulence | 4 | 610 | 1238 | 827 |
| 83 | Surgery | 8 | 606 | 1750 | 1383 |
| 84 | Bacterial infections | 8 | 593 | 528 | 526 |
| 85 | Water | 34 | 587 | 750 | 1470 |
| 86 | Women's health | 31 | 580 | 242 | 346 |
| 87 | health services accessibility | 44 | 565 | 126 | 256 |
| 88 | Health Services Administration | 24 | 563 | 248 | 343 |
| 89 | Mental Disorders | 18 | 556 | 1533 | 1777 |
| 90 | Humanities | 32 | 547 | 321 | 192 |
| 91 | Artificial Intelligence | 9 | 531 | 2750 | 1665 |
| 92 | Global Health | 50 | 517 | 110 | 218 |
| 92 | global environmental change | 14 | 517 | 330 | 478 |
| 94 | Biochemistry | 25 | 515 | 4699 | 5407 |
| 95 | Computational Biology | 22 | 514 | 1077 | 1410 |
| 96 | Psychology | 29 | 512 | 1874 | 2367 |
| 97 | Cognitive Science | 2 | 502 | 2219 | 723 |
| 98 | Health | 27 | 491 | 708 | 985 |
| 99 | Project Management | 6 | 483 | 163 | 163 |
| 100 | Geophysics | 27 | 480 | 1627 | 1999 |
| 101 | Energy Policy | 14 | 478 | 1391 | 1677 |
| 102 | Hydrology | 40 | 468 | 674 | 1220 |
| 103 | pollutants | 7 | 467 | 1482 | 1023 |
| 103 | Environmental pollutants | 7 | 467 | 1825 | 1216 |
| 105 | Urban Planning | 21 | 466 | 63 | 123 |
| 106 | Food additives | 7 | 456 | 834 | 568 |
| 107 | United Kingdom | 13 | 454 | 856 | 940 |
| 108 | Evidence-Based Medicine | 20 | 450 | 335 | 320 |
| 109 | Cytology | 4 | 447 | 4465 | 3197 |
| 110 | food handling | 7 | 444 | 548 | 369 |
| 111 | Colloids | 9 | 442 | 2731 | 2323 |
| 112 | Geology | 21 | 433 | 1490 | 1566 |
| 113 | Sustainable agriculture | 12 | 432 | 280 | 276 |
| 114 | Technology | 63 | 429 | 898 | 1985 |
| 115 | Materials Science | 17 | 428 | 2713 | 2777 |
| 116 | Information Technology | 12 | 427 | 1380 | 888 |
| 117 | environmental exposure | 6 | 426 | 1573 | 958 |
| 118 | Psychiatry | 13 | 422 | 2693 | 2761 |
| 119 | mycoses | 2 | 414 | 1303 | 653 |
| 120 | commerce | 25 | 413 | 409 | 709 |
| 121 | Environmental Engineering | 45 | 410 | 979 | 2394 |
| 122 | Biochemical Engineering | 7 | 407 | 2664 | 2833 |
| 123 | Parasites | 16 | 399 | 709 | 713 |
| 124 | Agricultural Ecology | 10 | 390 | 656 | 778 |
| 125 | Development | 8 | 388 | 500 | 481 |
| 126 | disease vectors | 13 | 387 | 426 | 436 |
| 127 | Climatology | 16 | 385 | 874 | 1073 |
| 128 | Economic Assistance | 6 | 384 | 519 | 437 |
| 129 | Socioeconomic Factors | 12 | 381 | 294 | 288 |
| 130 | Educational Technology | 6 | 380 | 1186 | 605 |
| 131 | Water pollution | 12 | 366 | 1656 | 1928 |
| 132 | Transportation | 17 | 364 | 722 | 859 |
| 133 | Cell Biology | 5 | 362 | 3960 | 3432 |
| 133 | Fractals | 6 | 362 | 1019 | 454 |
| 135 | Environmental Geology | 13 | 359 | 806 | 895 |
| 136 | Mathematics | 34 | 358 | 2689 | 2689 |
| 136 | Biomass Energy | 19 | 358 | 1078 | 1770 |
| 138 | Contraception | 21 | 355 | 159 | 258 |
| 139 | Solitons | 5 | 348 | 964 | 420 |
| 139 | Chaos | 5 | 348 | 964 | 420 |
| 141 | occupational diseases | 15 | 347 | 317 | 466 |
| 141 | Diagnostic microbiology | 7 | 347 | 1064 | 1290 |
| 143 | Population | 16 | 346 | 391 | 443 |
| 144 | food consumption | 5 | 340 | 40 | 22 |
| 145 | Social work | 30 | 339 | 379 | 494 |
| 146 | Molecular Biology | 19 | 328 | 4646 | 6315 |
| 147 | Nursing | 16 | 325 | 842 | 683 |
| 148 | Entomology | 19 | 321 | 1114 | 1087 |
| 149 | Petroleum Engineering | 15 | 316 | 315 | 355 |
| 150 | planning | 10 | 312 | 298 | 197 |
| 151 | Regional Planning | 14 | 306 | 769 | 784 |
| 152 | Medical genetics | 9 | 304 | 2177 | 2635 |
| 152 | forest policy | 10 | 304 | 152 | 137 |
| 154 | Cancer | 16 | 301 | 2132 | 2936 |
| 155 | energy development | 11 | 300 | 324 | 600 |
| 156 | Education | 37 | 299 | 1205 | 1642 |
| 157 | Housing | 11 | 298 | 183 | 221 |
| 158 | Structural Engineering | 19 | 295 | 726 | 918 |
| 159 | water reuse | 7 | 291 | 125 | 108 |
| 160 | construction | 17 | 287 | 33 | 88 |
| 161 | Surface Chemistry | 12 | 286 | 2467 | 2691 |
| 161 | Health Risk Assessment | 16 | 286 | 64 | 92 |
| 163 | Food Preservation | 17 | 285 | 197 | 206 |
| 164 | Pharmacology | 11 | 282 | 3804 | 4021 |
| 165 | Composite Materials | 9 | 276 | 1919 | 2091 |
| 165 | economic conditions | 3 | 276 | 755 | 315 |
| 167 | Mental Health Services | 7 | 268 | 934 | 662 |
| 167 | Aquaculture | 18 | 268 | 618 | 891 |
| 169 | community development | 9 | 267 | 291 | 230 |
| 170 | energy resources | 4 | 266 | 1345 | 1368 |
| 171 | Electrochemistry | 10 | 264 | 2833 | 2501 |
| 172 | China | 17 | 261 | 1352 | 1662 |
| 172 | natural disasters | 3 | 261 | 1605 | 820 |
| 174 | Waste management | 9 | 260 | 890 | 669 |
| 174 | Reproduction | 10 | 260 | 1597 | 1617 |
| 176 | Water quality management | 18 | 259 | 734 | 997 |
| 177 | Human Rights | 11 | 256 | 224 | 181 |
| 177 | economic policy | 21 | 256 | 989 | 1098 |
| 179 | Economic Thought | 1 | 254 | 592 | 293 |
| 179 | Fertilizers | 6 | 254 | 258 | 207 |
| 179 | Ecological disturbances | 1 | 254 | 86 | 11 |
| 179 | Environmental disasters | 1 | 254 | 86 | 11 |
| 183 | Plant diseases | 10 | 251 | 1280 | 1200 |
| 184 | Civil Engineering | 20 | 249 | 750 | 665 |
| 184 | Public Policy | 8 | 249 | 1185 | 1122 |
| 186 | Urban Renewal | 22 | 247 | 8 | 13 |
| 187 | environmental issues | 5 | 246 | 317 | 244 |
| 188 | Risk assessment | 14 | 245 | 131 | 181 |
| 189 | Infections | 6 | 244 | 1032 | 1137 |
| 189 | drug resistance | 4 | 244 | 694 | 431 |
| 189 | agricultural policy | 2 | 244 | 360 | 217 |
| 192 | Food Policy | 1 | 242 | 732 | 261 |
| 193 | Reproductive health | 18 | 241 | 228 | 449 |
| 194 | Catalysis | 7 | 239 | 2859 | 2867 |
| 194 | medical education | 8 | 239 | 1366 | 1054 |
| 196 | Computational Intelligence | 13 | 238 | 271 | 301 |
| 196 | infection | 5 | 238 | 1633 | 1389 |
| 198 | Atmospheric Physics | 9 | 237 | 1193 | 1299 |
| 199 | Industrial Microbiology | 4 | 235 | 2050 | 1697 |
| 199 | Vaccines | 11 | 235 | 1122 | 1391 |
| 201 | Hypertension | 17 | 233 | 814 | 1798 |
| 202 | Obesity | 7 | 230 | 1637 | 1812 |
| 203 | Travel | 30 | 229 | 120 | 361 |
| 204 | Industrial Engineering | 21 | 226 | 677 | 1290 |
| 204 | Middle East | 8 | 226 | 610 | 299 |
| 206 | Hematology | 13 | 224 | 1932 | 2470 |
| 206 | Molecular structure | 25 | 224 | 877 | 1777 |
| 208 | Medical Ethics | 8 | 221 | 718 | 520 |
| 209 | soil microbiology | 7 | 219 | 1071 | 1554 |
| 209 | Phytotherapy | 13 | 219 | 277 | 516 |
| 211 | Pediatrics | 13 | 217 | 1548 | 2408 |
| 212 | Embryology | 4 | 214 | 1624 | 1544 |
| 213 | Ethics | 7 | 212 | 659 | 417 |
| 213 | Germany | 12 | 212 | 266 | 135 |
| 215 | Genetics | 8 | 211 | 3205 | 3990 |
| 215 | Ethnology | 9 | 211 | 943 | 687 |
| 217 | Meteorology | 17 | 209 | 1133 | 2160 |
| 217 | Process Control | 3 | 209 | 989 | 853 |
| 217 | Production Management | 3 | 209 | 1225 | 1051 |
| 220 | Child welfare | 21 | 207 | 342 | 638 |
| 220 | Traditional medicine | 11 | 207 | 69 | 145 |
| 220 | Kidney diseases | 14 | 207 | 458 | 799 |
| 223 | diseases | 3 | 206 | 382 | 891 |
| 224 | Medical Laboratory Science | 4 | 205 | 2244 | 1822 |
| 225 | Optics | 10 | 203 | 3765 | 2913 |
| 226 | Soil Science | 14 | 202 | 964 | 1563 |
| 227 | Research Design | 8 | 201 | 811 | 953 |
| 227 | Primates | 3 | 201 | 875 | 456 |
| 229 | Urban society | 12 | 199 | 11 | 13 |
| 230 | hydrocolloids | 1 | 194 | 1157 | 694 |
| 231 | Biomass | 4 | 193 | 578 | 646 |
| 232 | Information Science | 8 | 191 | 1791 | 1976 |
| 233 | Biomedical Engineering | 7 | 189 | 4333 | 4254 |
| 234 | Zoology | 17 | 188 | 1343 | 1725 |
| 235 | Entrepreneurship | 11 | 185 | 465 | 912 |
| 235 | Decision making | 10 | 185 | 825 | 1011 |
| 237 | Diet | 7 | 184 | 1667 | 2194 |
| 237 | geological modeling | 24 | 184 | 82 | 313 |
| 237 | traffic safety | 5 | 184 | 221 | 121 |
| 240 | Oceanography | 7 | 182 | 1470 | 1505 |
| 241 | drinking water | 13 | 181 | 16 | 23 |
| 241 | hygiene | 13 | 181 | 157 | 339 |
| 243 | Cytogenetics | 3 | 180 | 1927 | 1787 |
| 244 | Geriatrics | 17 | 178 | 1548 | 2361 |
| 244 | Social welfare | 13 | 178 | 238 | 299 |
| 246 | Environmental Chemistry | 9 | 174 | 1457 | 2216 |
| 247 | Disease | 1 | 173 | 821 | 897 |
| 248 | Building | 9 | 172 | 406 | 381 |
| 249 | Building Materials | 7 | 171 | 1355 | 1750 |
| 249 | Birth control | 15 | 171 | 140 | 349 |
| 251 | Analytical Chemistry | 7 | 170 | 3755 | 3839 |
| 251 | Metabolic diseases | 9 | 170 | 1792 | 2688 |
| 253 | Anthropology | 6 | 168 | 1319 | 963 |
| 253 | rehabilitation | 10 | 168 | 1377 | 1841 |
| 255 | Quality of life | 8 | 167 | 1025 | 1432 |
| 256 | soil conservation | 4 | 166 | 768 | 621 |
| 257 | Molecular Genetics | 4 | 163 | 1913 | 1998 |
| 257 | Animal ecology | 12 | 163 | 648 | 972 |
| 259 | Biodiversity | 2 | 162 | 3293 | 2104 |
| 260 | Recycling | 4 | 161 | 539 | 870 |
| 261 | urban health | 2 | 159 | 416 | 241 |
| 262 | Immunotherapy | 6 | 158 | 1618 | 2069 |
| 262 | Medical Anthropology | 7 | 158 | 920 | 1404 |
| 264 | Egypt | 10 | 157 | 132 | 348 |
| 265 | Computer Graphics | 15 | 155 | 754 | 1214 |
| 266 | Dementia | 2 | 154 | 2143 | 1015 |
| 266 | Alzheimer's disease | 2 | 154 | 2182 | 1111 |
| 268 | Metabolism | 8 | 149 | 2263 | 3194 |
| 269 | foods | 8 | 148 | 73 | 126 |
| 270 | Infection control | 2 | 142 | 1038 | 587 |
| 270 | Family | 4 | 142 | 920 | 688 |
| 272 | Zeolites | 3 | 141 | 1074 | 1015 |
| 272 | child abuse | 4 | 141 | 778 | 817 |
| 274 | Wildlife management | 11 | 140 | 304 | 393 |
| 275 | Soil ecology | 2 | 138 | 1089 | 847 |
| 276 | Medical Technology | 8 | 135 | 1168 | 1661 |
| 277 | land degradation | 3 | 134 | 576 | 447 |
| 277 | degradation | 3 | 134 | 576 | 447 |
| 279 | Solar Energy | 3 | 133 | 2026 | 1875 |
| 280 | Aging | 14 | 132 | 1656 | 2694 |
| 281 | Molecular ecology | 3 | 131 | 1275 | 1503 |
| 282 | Mineral resources | 4 | 129 | 517 | 583 |
| 283 | Health Education | 5 | 128 | 1753 | 1632 |
| 284 | Tourism | 16 | 126 | 667 | 1594 |
| 285 | Planetary Science | 5 | 125 | 505 | 420 |
| 285 | Developmental Biology | 5 | 125 | 1935 | 2514 |
| 285 | Meteorites | 5 | 125 | 881 | 1154 |
| 288 | Telecommunication Systems | 7 | 121 | 1235 | 1212 |
| 288 | Clinical Immunology | 3 | 121 | 1630 | 1377 |
| 288 | Developmental Immunology | 3 | 121 | 951 | 826 |
| 288 | food industry | 19 | 121 | 86 | 427 |
| 288 | Mental illness | 7 | 121 | 1649 | 2506 |
| 293 | Ophthalmology | 7 | 120 | 1463 | 1814 |
| 294 | Hydrometeorology | 1 | 118 | 459 | 343 |
| 295 | Phytochemistry | 3 | 117 | 298 | 232 |
| 295 | Phytoremediation | 3 | 117 | 298 | 232 |
| 295 | environmental remediation | 3 | 117 | 379 | 267 |
| 295 | Bioreactors | 3 | 117 | 298 | 232 |
| 299 | Environmental Economics | 5 | 116 | 293 | 353 |
| 299 | Globalization | 5 | 116 | 409 | 468 |
| 299 | Plant breeding | 3 | 116 | 994 | 796 |
| 302 | elder abuse | 2 | 115 | 413 | 296 |
| 302 | family violence | 2 | 115 | 580 | 436 |
| 304 | soil management | 3 | 113 | 621 | 709 |
| 304 | tillage | 3 | 113 | 456 | 605 |
| 306 | Pathology | 8 | 111 | 1899 | 2851 |
| 306 | Water Microbiology | 8 | 111 | 170 | 465 |
| 308 | Rural Development | 5 | 110 | 450 | 475 |
| 309 | health behavior | 5 | 108 | 841 | 1028 |
| 310 | Biodiversity conservation | 4 | 107 | 1783 | 2324 |
| 310 | Environmental Geochemistry | 8 | 107 | 213 | 459 |
| 310 | Health promotion | 5 | 107 | 1341 | 1539 |
| 310 | Minerals | 8 | 107 | 411 | 759 |
| 314 | Nanotechnology | 7 | 106 | 4169 | 5342 |
| 314 | soil pollution | 5 | 106 | 413 | 475 |
| 314 | Corporate governance | 5 | 106 | 446 | 613 |
| 317 | Biophysics | 4 | 105 | 6105 | 6083 |
| 318 | Geodesy | 5 | 104 | 656 | 705 |
| 319 | Geochemistry | 8 | 103 | 1512 | 2188 |
| 320 | Development Economics | 6 | 102 | 287 | 439 |
| 320 | biological evolution | 3 | 102 | 2493 | 2724 |
| 322 | Health Information Management | 1 | 101 | 702 | 694 |
| 322 | Diabetes mellitus | 4 | 101 | 2316 | 2886 |
| 324 | Soil biology | 1 | 100 | 1574 | 1302 |
| 324 | Water Purification | 4 | 100 | 1185 | 1064 |
| 324 | Soil fertility | 1 | 100 | 675 | 498 |
| 324 | international trade | 4 | 100 | 688 | 621 |
| 328 | Applied Mathematics | 14 | 99 | 308 | 303 |
| 328 | Geomorphology | 2 | 99 | 1822 | 1643 |
| 328 | Geriatric Psychiatry | 6 | 99 | 866 | 1299 |
| 328 | Groundwater | 2 | 99 | 989 | 664 |
| 328 | Safety management | 4 | 99 | 555 | 406 |
| 328 | Jurisprudence | 6 | 99 | 752 | 785 |
| 328 | economic development projects | 4 | 99 | 141 | 153 |
| 335 | Mental Health | 6 | 97 | 1342 | 1643 |
| 335 | Randomized Controlled Trials | 5 | 97 | 1114 | 1079 |
| 335 | Climate | 5 | 97 | 481 | 728 |
| 338 | Pharmacy | 7 | 96 | 1672 | 2406 |
| 338 | Ecological Engineering | 1 | 96 | 1324 | 924 |
| 338 | Telemedicine | 2 | 96 | 589 | 436 |
| 341 | Pharmaceutical Chemistry | 7 | 95 | 3301 | 4464 |
| 341 | Municipal Engineering | 4 | 95 | 308 | 344 |
| 341 | Social Change | 3 | 95 | 1132 | 1418 |
| 344 | Coastal zone management | 2 | 94 | 970 | 752 |
| 344 | Telecommunication | 7 | 94 | 1845 | 1868 |
| 346 | Surface-Active Agents | 1 | 93 | 2087 | 1568 |
| 346 | Marine resources | 4 | 93 | 650 | 765 |
| 346 | Surface properties | 1 | 93 | 2189 | 1677 |
| 349 | Dermatology | 1 | 92 | 3206 | 1963 |
| 350 | Histology | 1 | 91 | 3391 | 2341 |
| 350 | Botany | 8 | 91 | 3124 | 4313 |
| 350 | Hospitality industry | 6 | 91 | 228 | 384 |
| 353 | eugenics | 1 | 90 | 1305 | 647 |
| 353 | Breeding | 1 | 90 | 2224 | 1414 |
| 355 | Solid State Physics | 6 | 89 | 3385 | 3565 |
| 355 | Erectile dysfunction | 4 | 89 | 231 | 266 |
| 357 | Social policy | 6 | 87 | 778 | 876 |
| 358 | Genomics | 8 | 86 | 2637 | 4313 |
| 358 | biomedicine | 3 | 86 | 1030 | 1053 |
| 360 | water supply | 4 | 85 | 952 | 1251 |
| 361 | Developmental Disabilities | 8 | 84 | 654 | 1362 |
| 361 | wood | 18 | 84 | 158 | 404 |
| 361 | Australia | 12 | 84 | 979 | 1882 |
| 364 | Demography | 6 | 83 | 522 | 827 |
| 364 | Risk Management | 6 | 83 | 518 | 824 |
| 364 | Europe | 19 | 83 | 1514 | 3284 |
| 367 | Engineering Mathematics | 14 | 81 | 1391 | 2142 |
| 367 | Ethnobotany | 4 | 81 | 161 | 321 |
| 367 | atmosphere | 3 | 81 | 968 | 1060 |
| 370 | Food Microbiology | 6 | 80 | 994 | 2001 |
| 370 | Geographic information systems | 11 | 80 | 516 | 1009 |
| 370 | System analysis | 5 | 80 | 2372 | 2601 |
| 370 | Capital market | 2 | 80 | 570 | 518 |
| 370 | color | 3 | 80 | 290 | 220 |
| 370 | Industry | 1 | 80 | 518 | 518 |
| 376 | greenhouse effect | 3 | 79 | 51 | 99 |
| 376 | Technological Innovations | 9 | 79 | 545 | 1221 |
| 376 | Small Business | 4 | 79 | 730 | 1169 |
| 376 | Carbon | 3 | 79 | 1571 | 2003 |
| 376 | Carbon dioxide | 3 | 79 | 51 | 99 |
| 381 | ethnobiology | 3 | 78 | 259 | 364 |
| 381 | sustainable forestry | 6 | 78 | 46 | 60 |
| 381 | Ethnomedicine | 3 | 78 | 175 | 320 |
| 384 | Polymers | 5 | 77 | 4247 | 4726 |
| 384 | Industrial Safety | 4 | 77 | 1161 | 1287 |
| 386 | Psychosomatic Medicine | 4 | 76 | 818 | 1204 |
| 386 | Career development | 1 | 76 | 874 | 360 |
| 386 | International Finance | 5 | 76 | 1427 | 1746 |
| 389 | Hemodynamics | 2 | 75 | 889 | 1092 |
| 389 | marketing | 4 | 75 | 1831 | 2087 |
| 389 | polymerization | 4 | 75 | 3917 | 4014 |
| 389 | India | 11 | 75 | 834 | 1004 |
| 393 | Astrophysics | 2 | 74 | 3969 | 3342 |
| 393 | Sedimentology | 4 | 74 | 583 | 788 |
| 395 | Watershed management | 10 | 73 | 30 | 166 |
| 395 | Growth | 1 | 73 | 2099 | 1934 |
| 397 | Plants | 4 | 72 | 2320 | 2730 |
| 398 | Optoelectronics | 2 | 71 | 865 | 388 |
| 398 | Immunochemistry | 10 | 71 | 571 | 1279 |
| 398 | Molecular evolution | 1 | 71 | 2887 | 2356 |
| 398 | Fiber Optics | 2 | 71 | 801 | 408 |
| 398 | cytokines | 3 | 71 | 1587 | 1973 |
| 398 | immunoassay | 10 | 71 | 44 | 113 |
| 398 | Phylogeny | 1 | 71 | 1631 | 1386 |
| 398 | Chronic diseases | 5 | 71 | 643 | 1174 |
| 406 | Fishery management | 7 | 70 | 599 | 977 |
| 407 | Leadership | 4 | 69 | 445 | 745 |
| 407 | Social Entrepreneurship | 5 | 69 | 40 | 148 |
| 407 | Strategic planning | 5 | 69 | 620 | 926 |
| 407 | Cardiovascular system | 2 | 69 | 2263 | 2679 |
| 411 | Community Psychiatry | 3 | 68 | 1209 | 1476 |
| 411 | Agronomy | 5 | 68 | 481 | 947 |
| 411 | Psychiatric Epidemiology | 3 | 68 | 583 | 899 |
| 414 | Emergency Medicine | 5 | 67 | 1544 | 1865 |
| 414 | women's rights | 2 | 67 | 272 | 198 |
| 414 | Organic farming | 2 | 67 | 52 | 43 |
| 414 | Japan | 1 | 67 | 3661 | 2037 |
| 418 | Adolescent Medicine | 1 | 66 | 1360 | 1275 |
| 418 | Population Genetics | 2 | 66 | 1724 | 1935 |
| 420 | Bioinformatics | 4 | 65 | 2201 | 2786 |
| 420 | human behavior | 7 | 65 | 1821 | 4030 |
| 422 | behavioral medicine | 4 | 64 | 1339 | 2213 |
| 422 | Metabolic syndrome | 2 | 64 | 356 | 324 |
| 424 | Qualitative Research | 2 | 63 | 707 | 581 |
| 424 | Asia | 9 | 63 | 1847 | 2889 |
| 424 | Diabetes | 3 | 63 | 2751 | 3448 |
| 427 | Public Administration | 11 | 62 | 787 | 1328 |
| 427 | Microwaves | 7 | 62 | 879 | 905 |
| 429 | Hydraulic Engineering | 7 | 61 | 833 | 1306 |
| 429 | Educational Psychology | 2 | 61 | 1907 | 1659 |
| 429 | Lipids | 3 | 61 | 1627 | 2204 |
| 429 | biological monitoring | 3 | 61 | 596 | 803 |
| 429 | international cooperation | 2 | 61 | 889 | 881 |
| 429 | Fisheries | 3 | 61 | 1917 | 1933 |
| 435 | Horticulture | 7 | 60 | 540 | 914 |
| 435 | Palliative Care | 11 | 60 | 440 | 1116 |
| 435 | Solid State Chemistry | 4 | 60 | 2591 | 2861 |
| 435 | Gerontology | 8 | 60 | 1448 | 2243 |
| 435 | Therapeutics | 3 | 60 | 2228 | 2868 |
| 440 | Tribology | 3 | 59 | 1448 | 1513 |
| 440 | Ore deposits | 3 | 59 | 589 | 695 |
| 442 | Atmospheric Chemistry | 2 | 58 | 1308 | 1541 |
| 443 | Oxidative stress | 1 | 57 | 2198 | 2114 |
| 443 | Cellular senescence | 1 | 57 | 1519 | 1444 |
| 443 | Maternal health services | 6 | 57 | 276 | 651 |
| 443 | ecological risk assessment | 2 | 57 | 402 | 394 |
| 447 | Immunopharmacology | 1 | 56 | 2070 | 1633 |
| 447 | Agricultural systems | 3 | 56 | 374 | 667 |
| 447 | Aquatic ecology | 5 | 56 | 876 | 1261 |
| 450 | health workforce | 4 | 55 | 163 | 412 |
| 450 | Outdoor recreation | 1 | 55 | 186 | 117 |
| 450 | ecotourism | 1 | 55 | 488 | 383 |
| 453 | Educational Leadership | 1 | 54 | 346 | 159 |
| 453 | sustainability | 9 | 54 | 416 | 1494 |
| 453 | Pharmacy management | 3 | 54 | 333 | 363 |
| 453 | biological invasions | 4 | 54 | 611 | 967 |
| 457 | Nanoelectronics | 2 | 53 | 1258 | 925 |
| 457 | Microelectronics | 2 | 53 | 2519 | 2544 |
| 457 | blood transfusion | 6 | 53 | 661 | 1036 |
| 457 | Semiconductor industry | 2 | 53 | 935 | 740 |
| 461 | Physical organic chemistry | 6 | 52 | 1190 | 1826 |
| 461 | Intellectual disability | 4 | 52 | 822 | 1130 |
| 463 | Organic Chemistry | 3 | 51 | 3583 | 4043 |
| 463 | Bioorganic chemistry | 3 | 51 | 3237 | 3935 |
| 465 | Mycotoxins | 2 | 50 | 251 | 225 |
| 465 | Food Security | 3 | 50 | 188 | 383 |
| 465 | Sedimentary rocks | 3 | 50 | 700 | 898 |
| 465 | chronic disease | 3 | 50 | 388 | 563 |
| 469 | Social Psychology | 2 | 49 | 2925 | 2968 |
| 469 | vibration | 3 | 49 | 1491 | 1645 |
| 469 | Behavioral research | 4 | 49 | 436 | 575 |
| 469 | landscapes | 2 | 49 | 266 | 278 |
| 469 | Nonprofit organizations | 1 | 49 | 661 | 492 |
| 474 | Plant Ecology | 5 | 48 | 1637 | 2803 |
| 474 | Urban Transportation | 10 | 48 | 44 | 204 |
| 476 | Endocrinology | 5 | 47 | 3042 | 4835 |
| 476 | Emergency Medical Services | 4 | 47 | 832 | 1176 |
| 476 | Animal health | 6 | 47 | 339 | 477 |
| 476 | Fermentation | 4 | 47 | 245 | 398 |
| 476 | poverty | 4 | 47 | 320 | 670 |
| 476 | preventive medicine | 3 | 47 | 1618 | 2258 |
| 476 | brewing | 4 | 47 | 208 | 276 |
| 483 | Physiology | 3 | 46 | 4998 | 6061 |
| 483 | plant molecular biology | 2 | 46 | 2119 | 2731 |
| 485 | Ecohydrology | 2 | 45 | 568 | 566 |
| 485 | energy conservation | 6 | 45 | 1642 | 3377 |
| 485 | Noise control | 2 | 45 | 461 | 20 |
| 485 | urban forestry | 4 | 45 | 196 | 451 |
| 485 | Soundproofing | 2 | 45 | 156 | 57 |
| 485 | nanoscience | 3 | 45 | 3389 | 4281 |
| 485 | Fuzzy systems | 2 | 45 | 2479 | 1970 |
| 485 | Industrial noise | 2 | 45 | 68 | 15 |
| 493 | Law | 19 | 44 | 629 | 1028 |
| 493 | Microbial Biotechnology | 2 | 44 | 1548 | 1779 |
| 493 | animal diseases | 3 | 44 | 539 | 805 |
| 493 | public works | 5 | 44 | 134 | 253 |
| 497 | Systems Biology | 2 | 43 | 2491 | 2844 |
| 497 | Pesticide residues | 1 | 43 | 199 | 221 |
| 497 | Radiation | 6 | 43 | 1979 | 3011 |
| 500 | Nuclear Physics | 3 | 42 | 4512 | 4505 |
| 500 | Marine Geology | 4 | 42 | 579 | 907 |
| 500 | Wildlife conservation | 2 | 42 | 1665 | 2134 |
| 500 | bioclimatology | 7 | 42 | 611 | 1559 |
| 500 | Business Ethics | 5 | 42 | 772 | 1692 |
| 500 | drug development | 2 | 42 | 1640 | 2488 |
| 500 | weather | 3 | 42 | 661 | 1074 |
| 500 | pharmaceutical industry | 4 | 42 | 569 | 904 |
| 500 | gene mapping | 3 | 42 | 2560 | 3856 |
| 509 | Bioengineering | 1 | 41 | 7382 | 6834 |
| 509 | Biogeography | 1 | 41 | 1748 | 1901 |
| 509 | Data Mining | 4 | 41 | 1835 | 2954 |
| 509 | Comparative Physiology | 2 | 41 | 1143 | 1303 |
| 509 | Mathematical Physics | 2 | 41 | 4149 | 3246 |
| 509 | Biomechanics | 1 | 41 | 2867 | 2265 |
| 509 | Investment analysis | 2 | 41 | 1164 | 1166 |
| 516 | ethnicity | 4 | 40 | 661 | 826 |
| 516 | biological factors | 10 | 40 | 1187 | 3057 |
| 518 | Computer Science | 8 | 39 | 1583 | 2813 |
| 518 | Urology | 1 | 39 | 3171 | 2813 |
| 518 | Orthopedics | 2 | 39 | 2274 | 2488 |
| 518 | Hydrogeology | 2 | 39 | 1150 | 1241 |
| 518 | microwave antennas | 1 | 39 | 857 | 554 |
| 518 | Nanostructured Materials | 3 | 39 | 3554 | 4477 |
| 518 | Radio wave propagation | 1 | 39 | 1573 | 1006 |
| 518 | Nanostructures | 3 | 39 | 2685 | 3525 |
| 518 | free radicals | 2 | 39 | 1978 | 2703 |
| 518 | drug therapy | 2 | 39 | 3437 | 3896 |
| 518 | Cell metabolism | 1 | 39 | 1439 | 1705 |
| 529 | Electrochemical Analysis | 4 | 38 | 1574 | 2311 |
| 529 | disabilities | 3 | 38 | 853 | 1236 |
| 529 | Bacteria | 2 | 38 | 564 | 942 |
| 532 | Geriatric Nursing | 2 | 37 | 692 | 626 |
| 532 | Forest Ecology | 3 | 37 | 1225 | 1860 |
| 532 | Statistical physics | 1 | 37 | 5528 | 4528 |
| 532 | Vietnam | 5 | 37 | 95 | 163 |
| 532 | natural gas | 2 | 37 | 605 | 764 |
| 532 | biochemical markers | 4 | 37 | 838 | 1485 |
| 538 | Political Science | 3 | 36 | 2139 | 1825 |
| 538 | health and race | 3 | 36 | 257 | 467 |
| 538 | Ecosystem management | 5 | 36 | 571 | 1199 |
| 538 | Visual Perception | 1 | 36 | 3456 | 3024 |
| 538 | ethnic groups | 3 | 36 | 354 | 561 |
| 538 | older people | 7 | 36 | 1274 | 2085 |
| 538 | Scandinavia | 1 | 36 | 1462 | 1255 |
| 538 | Memory | 1 | 36 | 3651 | 3334 |
| 538 | coal | 2 | 36 | 2197 | 2961 |
| 538 | Attention | 1 | 36 | 3620 | 3178 |
| 538 | Perception | 1 | 36 | 3709 | 3244 |
| 549 | reforestation | 3 | 35 | 169 | 296 |
| 549 | Bioethics | 4 | 35 | 848 | 1280 |
| 549 | Antibacterial agents | 1 | 35 | 1485 | 1614 |
| 549 | afforestation | 3 | 35 | 169 | 296 |
| 549 | Culture | 4 | 35 | 1058 | 1226 |
| 554 | Probability | 2 | 34 | 907 | 1084 |
| 554 | genre | 2 | 34 | 331 | 315 |
| 554 | Inclusive Education | 3 | 34 | 159 | 319 |
| 554 | Drug delivery systems | 1 | 34 | 2798 | 2871 |
| 554 | Financial management | 2 | 34 | 751 | 1117 |
| 554 | Risk | 2 | 34 | 844 | 1113 |
| 554 | Edible plants | 1 | 34 | 589 | 623 |
| 554 | Integration | 3 | 34 | 153 | 316 |
| 554 | Investments | 3 | 34 | 657 | 860 |
| 563 | Neurochemistry | 4 | 33 | 2457 | 3965 |
| 563 | biobanks | 2 | 33 | 215 | 250 |
| 563 | human development | 2 | 33 | 1045 | 1399 |
| 566 | Nephrology | 2 | 32 | 867 | 1296 |
| 566 | Econometrics | 3 | 32 | 1570 | 1796 |
| 566 | mediation | 2 | 32 | 108 | 104 |
| 566 | women | 2 | 32 | 1183 | 1044 |
| 566 | miniaturization | 2 | 32 | 2668 | 3378 |
| 571 | Electrical Engineering | 7 | 31 | 2870 | 3735 |
| 571 | Agricultural Chemistry | 3 | 31 | 2739 | 3799 |
| 571 | Engineering Geology | 6 | 31 | 1158 | 2262 |
| 571 | Disability Studies | 3 | 31 | 335 | 437 |
| 571 | Marine Geophysics | 2 | 31 | 381 | 465 |
| 571 | Marine mineral resources | 2 | 31 | 213 | 231 |
| 571 | mass transfer | 1 | 31 | 2790 | 2694 |
| 571 | Cardiovascular diseases | 6 | 31 | 1423 | 2661 |
| 571 | community participation | 1 | 31 | 269 | 235 |
| 571 | Faculty | 1 | 31 | 269 | 235 |
| 571 | Seabed | 2 | 31 | 213 | 231 |
| 571 | Mountains | 1 | 31 | 952 | 617 |
| 571 | Behavior | 4 | 31 | 3354 | 5872 |
| 584 | Knowledge management | 5 | 30 | 372 | 761 |
| 584 | actuators | 1 | 30 | 3668 | 3882 |
| 584 | Reservoirs | 4 | 30 | 155 | 309 |
| 584 | lakes | 4 | 30 | 44 | 140 |
| 584 | transducers | 1 | 30 | 3668 | 3882 |
| 589 | Traffic Engineering | 3 | 29 | 466 | 869 |
| 589 | Highway Engineering | 3 | 29 | 467 | 687 |
| 589 | healthcare disparities | 1 | 29 | 1099 | 1036 |
| 589 | family policy | 1 | 29 | 33 | 26 |
| 589 | Vaccination | 1 | 29 | 605 | 655 |
| 594 | Medical Oncology | 3 | 28 | 2273 | 3498 |
| 594 | Wireless Communication Systems | 5 | 28 | 1947 | 2791 |
| 594 | Human evolution | 1 | 28 | 790 | 884 |
| 597 | Agroforestry | 3 | 27 | 45 | 91 |
| 597 | Orthopedic Surgery | 1 | 27 | 1670 | 1608 |
| 597 | Organizational change | 3 | 27 | 813 | 1265 |
| 597 | adolescence | 6 | 27 | 691 | 1698 |
| 597 | Adolescent Psychology | 6 | 27 | 637 | 1576 |
| 597 | families | 2 | 27 | 1175 | 1272 |
| 597 | organization | 3 | 27 | 864 | 1467 |
| 597 | freshwater biology | 2 | 27 | 1367 | 1705 |
| 605 | Marine Biology | 2 | 26 | 3432 | 4245 |
| 605 | Emergency Nursing | 2 | 26 | 232 | 333 |
| 605 | Solar power plants | 1 | 26 | 451 | 581 |
| 605 | Inflammation | 4 | 26 | 1327 | 2779 |
| 605 | Photovoltaic Cells | 1 | 26 | 454 | 581 |
| 605 | organizational effectiveness | 3 | 26 | 455 | 819 |
| 605 | data collection | 3 | 26 | 1468 | 2582 |
| 605 | Product life cycle | 1 | 26 | 710 | 795 |
| 605 | solar cells | 1 | 26 | 1713 | 2012 |
| 605 | green products | 1 | 26 | 616 | 754 |
| 605 | Chemical industry | 1 | 26 | 2563 | 2182 |
| 605 | mathematical analysis | 4 | 26 | 2535 | 2782 |
| 617 | Special Education | 3 | 25 | 846 | 1114 |
| 617 | Genetic engineering | 4 | 25 | 2351 | 4275 |
| 617 | Seismology | 2 | 25 | 711 | 860 |
| 617 | Microbial Ecology | 3 | 25 | 2718 | 4822 |
| 617 | Environmental Education | 3 | 25 | 405 | 710 |
| 617 | Technology Assessment | 2 | 25 | 517 | 1129 |
| 617 | Semiconductors | 1 | 25 | 3595 | 3192 |
| 617 | Fracture mechanics | 1 | 25 | 2392 | 2346 |
| 617 | Antioxidants | 1 | 25 | 1494 | 1925 |
| 617 | Food inspection | 1 | 25 | 105 | 85 |
| 617 | breastfeeding | 2 | 25 | 794 | 1203 |
| 617 | Earthquakes | 2 | 25 | 588 | 672 |
| 617 | Nervous system | 3 | 25 | 3023 | 4797 |
| 617 | health services | 3 | 25 | 1307 | 2163 |
| 617 | Yeast | 1 | 25 | 898 | 1001 |
| 617 | food quality | 1 | 25 | 105 | 85 |
| 617 | vitamin C | 1 | 25 | 908 | 1142 |
| 617 | vitamin E | 1 | 25 | 908 | 1142 |
| 617 | Liver diseases | 2 | 25 | 2025 | 3016 |
| 636 | Statistics | 3 | 24 | 3177 | 3678 |
| 636 | Systems Analysis | 1 | 24 | 2205 | 2049 |
| 636 | Telecommunications | 3 | 24 | 980 | 1301 |
| 636 | Clinical Chemistry | 2 | 24 | 4147 | 5369 |
| 636 | Histocompatibility Testing | 1 | 24 | 1204 | 1178 |
| 636 | construction projects | 3 | 24 | 2 | 20 |
| 642 | Electronics | 2 | 23 | 4787 | 4755 |
| 642 | Pharmacogenetics | 1 | 23 | 2120 | 2450 |
| 642 | General Surgery | 4 | 23 | 737 | 1305 |
| 642 | Remote Sensing | 2 | 23 | 2222 | 2261 |
| 642 | Genetic Research | 1 | 23 | 435 | 452 |
| 642 | Transnational corporations | 1 | 23 | 768 | 865 |
| 642 | Learning disabilities | 4 | 23 | 760 | 1433 |
| 642 | Biomarkers | 2 | 23 | 704 | 1037 |
| 642 | Aquatic ecosystems | 3 | 23 | 174 | 328 |
| 642 | Youth | 5 | 23 | 539 | 1310 |
| 642 | Detectors | 1 | 23 | 2173 | 1696 |
| 642 | venom | 2 | 23 | 1233 | 1689 |
| 642 | Toxins | 2 | 23 | 1363 | 1836 |
| 655 | Nuclear Engineering | 2 | 22 | 1774 | 1781 |
| 655 | Nuclear Energy | 1 | 22 | 2114 | 1644 |
| 655 | Chemical Ecology | 1 | 22 | 999 | 1259 |
| 655 | Psychiatric Nursing | 2 | 22 | 974 | 1294 |
| 655 | Dynamics | 3 | 22 | 2300 | 2770 |
| 655 | Combinatorial chemistry | 1 | 22 | 1784 | 2050 |
| 655 | Drug design | 3 | 22 | 2175 | 3492 |
| 655 | nuclear power | 1 | 22 | 998 | 710 |
| 655 | scholarly publishing | 2 | 22 | 188 | 286 |
| 655 | pheromones | 1 | 22 | 933 | 1209 |
| 655 | cell interaction | 3 | 22 | 1423 | 2609 |
| 655 | population geography | 1 | 22 | 829 | 799 |
| 655 | drugs | 1 | 22 | 4200 | 4377 |
| 655 | Cell communication | 3 | 22 | 952 | 2008 |
| 655 | Sleep | 3 | 22 | 2043 | 2957 |
| 655 | Thyroid hormones | 1 | 22 | 35 | 75 |
| 671 | International Relations | 3 | 21 | 1437 | 1433 |
| 671 | Wireless Communication | 1 | 21 | 983 | 851 |
| 671 | Herpetology | 2 | 21 | 538 | 564 |
| 671 | drug evaluation | 1 | 21 | 2634 | 2907 |
| 675 | Arts | 7 | 20 | 306 | 426 |
| 675 | Operations Research | 2 | 20 | 2917 | 3386 |
| 675 | Dialysis | 1 | 20 | 321 | 201 |
| 675 | Kidney transplantation | 1 | 20 | 181 | 168 |
| 675 | technology transfer | 2 | 20 | 397 | 754 |
| 675 | Bioremediation | 2 | 20 | 1298 | 2137 |
| 675 | Biodegradation | 2 | 20 | 1108 | 1964 |
| 675 | Quantum Gravity | 2 | 20 | 2464 | 2687 |
| 675 | Protective coatings | 1 | 20 | 423 | 307 |
| 675 | Communication | 2 | 20 | 2933 | 3380 |
| 675 | Legislation | 2 | 20 | 12 | 17 |
| 675 | compost | 2 | 20 | 21 | 56 |
| 675 | probabilities | 5 | 20 | 1205 | 1649 |
| 675 | carbonate rocks | 2 | 20 | 214 | 243 |
| 689 | Landscape Ecology | 1 | 19 | 955 | 1237 |
| 689 | Sociolinguistics | 1 | 19 | 833 | 753 |
| 689 | Language Policy | 1 | 19 | 231 | 296 |
| 689 | Disability Law | 2 | 19 | 243 | 398 |
| 689 | cooperation | 2 | 19 | 208 | 246 |
| 689 | Industrial Policy | 2 | 19 | 720 | 1033 |
| 689 | Language planning | 1 | 19 | 365 | 238 |
| 689 | natural products | 5 | 19 | 1631 | 3063 |
| 689 | government | 1 | 19 | 1327 | 979 |
| 698 | Organizational Sociology | 1 | 18 | 677 | 711 |
| 698 | Pharmaceutical Technology | 1 | 18 | 2751 | 3138 |
| 698 | Analytical Biochemistry | 1 | 18 | 3316 | 3680 |
| 698 | housing policy | 1 | 18 | 264 | 264 |
| 698 | Heterocyclic chemistry | 2 | 18 | 850 | 965 |
| 698 | Natural resources | 2 | 18 | 1096 | 1717 |
| 698 | Hydrodynamics | 2 | 18 | 806 | 1293 |
| 698 | Cross-Cultural Studies | 1 | 18 | 1439 | 1550 |
| 698 | Geriatric Oncology | 1 | 18 | 1231 | 1562 |
| 698 | Library Science | 9 | 18 | 716 | 1646 |
| 698 | cross-cultural comparison | 1 | 18 | 1133 | 1266 |
| 709 | Islamic Architecture | 1 | 17 | 281 | 238 |
| 709 | Consumer education | 1 | 17 | 773 | 1044 |
| 709 | peptides | 1 | 17 | 1904 | 1986 |
| 709 | construction contracts | 3 | 17 | 40 | 48 |
| 709 | Great Lakes | 1 | 17 | 444 | 578 |
| 709 | concrete | 1 | 17 | 1770 | 2088 |
| 709 | proteins | 1 | 17 | 3884 | 4147 |
| 716 | Sustainable Engineering | 2 | 16 | 2345 | 3430 |
| 716 | Environmental Law | 1 | 16 | 2189 | 2914 |
| 716 | Physical Chemistry | 2 | 16 | 3148 | 4180 |
| 716 | Plant Biotechnology | 2 | 16 | 1195 | 1843 |
| 716 | Restoration Ecology | 1 | 16 | 943 | 1102 |
| 716 | hospice care | 3 | 16 | 650 | 1414 |
| 716 | Photochemistry | 2 | 16 | 2608 | 3774 |
| 716 | Green Technology | 2 | 16 | 668 | 1267 |
| 716 | peer review | 1 | 16 | 201 | 166 |
| 716 | Bacteriology | 1 | 16 | 3398 | 4241 |
| 716 | Happiness | 1 | 16 | 971 | 1209 |
| 716 | risk factors | 2 | 16 | 1115 | 1668 |
| 716 | Chromosome mapping | 2 | 16 | 2789 | 4394 |
| 716 | Photobiology | 2 | 16 | 2096 | 3097 |
| 716 | ports | 1 | 16 | 573 | 687 |
| 716 | Biometrics | 1 | 16 | 2019 | 2099 |
| 716 | Heterocyclic compounds | 1 | 16 | 1876 | 1768 |
| 716 | mathematical concepts | 1 | 16 | 932 | 885 |
| 734 | Earthquake Engineering | 3 | 15 | 1416 | 2433 |
| 734 | Mining Geology | 2 | 15 | 120 | 205 |
| 734 | Social Networks | 1 | 15 | 768 | 864 |
| 734 | Microfinance | 1 | 15 | 95 | 31 |
| 734 | Online social networks | 1 | 15 | 760 | 862 |
| 734 | Corporate Social Responsibility | 2 | 15 | 450 | 1144 |
| 734 | environmental auditing | 2 | 15 | 471 | 1160 |
| 734 | Child Development | 3 | 15 | 2333 | 4035 |
| 734 | starch | 2 | 15 | 516 | 899 |
| 734 | foreign exchange | 1 | 15 | 703 | 877 |
| 734 | cell adhesion molecules | 2 | 15 | 778 | 1564 |
| 734 | Transport | 1 | 15 | 1204 | 1562 |
| 734 | animals | 2 | 15 | 1892 | 2521 |
| 734 | Sea | 1 | 15 | 1077 | 1367 |
| 734 | Fishery resources | 1 | 15 | 1220 | 1501 |
| 734 | Shipping | 3 | 15 | 79 | 168 |
| 734 | livestock | 6 | 15 | 462 | 1111 |
| 734 | computer networks | 4 | 15 | 2537 | 4174 |
| 752 | Mechanical Engineering | 2 | 14 | 3502 | 3984 |
| 752 | Audiology | 2 | 14 | 1093 | 1653 |
| 752 | Linguistics | 3 | 14 | 1801 | 2195 |
| 752 | Information Systems | 2 | 14 | 2142 | 3363 |
| 752 | Urban Geography | 2 | 14 | 313 | 564 |
| 752 | Diagnosis | 2 | 14 | 972 | 1627 |
| 752 | Molecular cloning | 3 | 14 | 1794 | 3342 |
| 752 | Genetic recombination | 3 | 14 | 1767 | 3296 |
| 752 | Smoking | 2 | 14 | 1056 | 1940 |
| 752 | Molecular Spectroscopy | 1 | 14 | 3131 | 3715 |
| 752 | Forest Management | 2 | 14 | 1432 | 2253 |
| 752 | disease susceptibility | 2 | 14 | 520 | 1086 |
| 752 | Human Resources | 1 | 14 | 870 | 1267 |
| 752 | Spectrum analysis | 1 | 14 | 6670 | 7216 |
| 752 | Recombinant DNA | 3 | 14 | 1892 | 3485 |
| 752 | symptoms | 2 | 14 | 520 | 1086 |
| 768 | Soil Mechanics | 3 | 13 | 1327 | 2133 |
| 768 | Public Relations | 4 | 13 | 432 | 1017 |
| 768 | Intelligent Transportation Systems | 1 | 13 | 1555 | 1733 |
| 768 | Fluid Mechanics | 2 | 13 | 2350 | 3179 |
| 768 | Environmental Geography | 1 | 13 | 128 | 119 |
| 768 | Sleep Disorders | 1 | 13 | 3098 | 3325 |
| 768 | Health equity | 1 | 13 | 162 | 189 |
| 768 | Wetland ecology | 2 | 13 | 687 | 1255 |
| 768 | Condensed Matter | 1 | 13 | 5003 | 5074 |
| 768 | herbs | 1 | 13 | 206 | 224 |
| 768 | wetland management | 2 | 13 | 260 | 651 |
| 768 | Gastrointestinal diseases | 1 | 13 | 1506 | 1839 |
| 780 | Political Geography | 1 | 12 | 552 | 689 |
| 780 | Fluid Dynamics | 2 | 12 | 1681 | 2419 |
| 780 | Agricultural Biotechnology | 1 | 12 | 704 | 582 |
| 780 | Geopolitics | 1 | 12 | 608 | 654 |
| 780 | Quality Assurance | 1 | 12 | 954 | 1145 |
| 780 | Herbal medicine | 2 | 12 | 1027 | 2212 |
| 780 | Migration | 1 | 12 | 456 | 502 |
| 780 | Roads | 2 | 12 | 1022 | 1378 |
| 780 | Cellulose | 1 | 12 | 1350 | 1822 |
| 780 | drug abuse | 1 | 12 | 1319 | 1654 |
| 780 | kidney | 1 | 12 | 181 | 256 |
| 780 | liver | 1 | 12 | 740 | 956 |
| 780 | educational innovations | 3 | 12 | 579 | 1211 |
| 780 | harm reduction | 1 | 12 | 490 | 647 |
| 794 | Gender Studies | 2 | 11 | 677 | 1192 |
| 794 | Neuropsychology | 1 | 11 | 4022 | 4840 |
| 794 | Optical Communications | 1 | 11 | 1267 | 1360 |
| 794 | Petroleum Geology | 2 | 11 | 722 | 1188 |
| 794 | emergency management | 3 | 11 | 1048 | 2425 |
| 794 | Sustainable urban development | 1 | 11 | 160 | 221 |
| 794 | epidemiologic methods | 3 | 11 | 179 | 525 |
| 794 | Change management | 1 | 11 | 263 | 341 |
| 794 | environmental indicators | 1 | 11 | 2090 | 3027 |
| 794 | Feminism | 2 | 11 | 809 | 1112 |
| 794 | Ocean Engineering | 2 | 11 | 2197 | 3297 |
| 794 | Transgenic plants | 1 | 11 | 1035 | 1498 |
| 794 | Smart Cities | 1 | 11 | 42 | 63 |
| 794 | Communication in medicine | 1 | 11 | 1052 | 1433 |
| 794 | Latin America | 2 | 11 | 1890 | 1936 |
| 794 | aquatic insects | 2 | 11 | 138 | 186 |
| 794 | libraries | 3 | 11 | 866 | 1100 |
| 794 | Pathogens | 1 | 11 | 251 | 462 |
| 794 | Cerebral cortex | 1 | 11 | 1608 | 2176 |
| 794 | Psychophysiology | 1 | 11 | 4629 | 5636 |
| 814 | Anatomy | 2 | 10 | 2838 | 4207 |
| 814 | Clinical Trials | 1 | 10 | 1302 | 1697 |
| 814 | Medical Sociology | 1 | 10 | 117 | 228 |
| 814 | Theology | 2 | 10 | 1234 | 685 |
| 814 | Psychoneuroimmunology | 1 | 10 | 1281 | 1860 |
| 814 | Morphology | 2 | 10 | 1245 | 1753 |
| 814 | Nuclear Chemistry | 1 | 10 | 2099 | 2240 |
| 814 | Radiochemistry | 1 | 10 | 2026 | 2100 |
| 814 | Neurophysiology | 3 | 10 | 3367 | 5789 |
| 814 | Neuroimmunology | 1 | 10 | 1426 | 2052 |
| 814 | Nanoparticles | 1 | 10 | 3347 | 4116 |
| 814 | wind erosion | 1 | 10 | 263 | 465 |
| 814 | hazard mitigation | 2 | 10 | 1455 | 2617 |
| 814 | Emulsions | 1 | 10 | 847 | 1043 |
| 814 | Minority Health | 1 | 10 | 227 | 287 |
| 814 | food service | 2 | 10 | 135 | 238 |
| 814 | corporate culture | 1 | 10 | 422 | 655 |
| 814 | cultural pluralism | 2 | 10 | 541 | 931 |
| 814 | plant communities | 2 | 10 | 1471 | 2576 |
| 833 | Developmental Psychology | 2 | 9 | 1411 | 2456 |
| 833 | Applied Linguistics | 1 | 9 | 1201 | 1201 |
| 833 | industrial hygiene | 1 | 9 | 2487 | 2558 |
| 833 | Multilingualism | 1 | 9 | 584 | 772 |
| 833 | Calorimetry | 1 | 9 | 2282 | 2734 |
| 833 | Communication in marketing | 1 | 9 | 364 | 580 |
| 833 | Cosmochemistry | 2 | 9 | 1279 | 2250 |
| 833 | bats | 2 | 9 | 180 | 441 |
| 833 | Arts education | 2 | 9 | 7 | 9 |
| 833 | atmospheric models | 1 | 9 | 1190 | 1674 |
| 833 | Prisons | 1 | 9 | 616 | 746 |
| 833 | Thermal analysis | 1 | 9 | 2282 | 2734 |
| 845 | Agricultural Engineering | 1 | 8 | 1100 | 1418 |
| 845 | Automation | 1 | 8 | 3297 | 3845 |
| 845 | Rock Mechanics | 2 | 8 | 1279 | 1957 |
| 845 | Mineralogy | 1 | 8 | 2364 | 2769 |
| 845 | Petrology | 1 | 8 | 1441 | 1767 |
| 845 | epilepsy | 1 | 8 | 1889 | 2572 |
| 845 | Total Quality Management | 1 | 8 | 1202 | 1673 |
| 845 | Ethnic relations | 1 | 8 | 1167 | 1237 |
| 845 | sanitation | 1 | 8 | 2791 | 3943 |
| 845 | Anti-inflammatory agents | 1 | 8 | 606 | 950 |
| 845 | Ethnic Conflict | 1 | 8 | 501 | 747 |
| 845 | Integrated Circuits | 3 | 8 | 934 | 1441 |
| 845 | Food service management | 1 | 8 | 751 | 1242 |
| 845 | Biosecurity | 1 | 8 | 12 | 35 |
| 845 | Patient Safety | 1 | 8 | 234 | 322 |
| 845 | Real Estate Investment | 1 | 8 | 325 | 440 |
| 845 | Cyberterrorism | 1 | 8 | 145 | 337 |
| 845 | curriculum evaluation | 1 | 8 | 706 | 976 |
| 845 | forestry | 2 | 8 | 344 | 749 |
| 845 | forced migration | 1 | 8 | 501 | 747 |
| 845 | educational planning | 3 | 8 | 440 | 1152 |
| 845 | race relations | 1 | 8 | 1021 | 1224 |
| 845 | Mollusks | 1 | 8 | 577 | 637 |
| 845 | language | 1 | 8 | 1457 | 1720 |
| 869 | Computer Engineering | 3 | 7 | 1018 | 2319 |
| 869 | Architecture | 1 | 7 | 1267 | 1114 |
| 869 | Signal Transduction | 1 | 7 | 2541 | 3568 |
| 869 | Energy Storage | 1 | 7 | 2290 | 2865 |
| 869 | Numerical Analysis | 2 | 7 | 3206 | 4377 |
| 869 | Radiation Protection | 4 | 7 | 738 | 1624 |
| 869 | radiation monitoring | 4 | 7 | 633 | 1520 |
| 869 | Religion | 3 | 7 | 1122 | 1427 |
| 869 | cultural policy | 1 | 7 | 436 | 550 |
| 869 | Urbanization | 1 | 7 | 627 | 785 |
| 869 | aromatic plants | 1 | 7 | 517 | 729 |
| 869 | Auditing | 1 | 7 | 681 | 886 |
| 869 | Evolution | 1 | 7 | 3451 | 4519 |
| 869 | deviant behavior | 1 | 7 | 556 | 721 |
| 869 | Animal | 1 | 7 | 404 | 679 |
| 869 | Textile industry | 1 | 7 | 1080 | 1253 |
| 885 | Criminology | 2 | 6 | 1207 | 1910 |
| 885 | Geometry | 1 | 6 | 2084 | 2047 |
| 885 | Physical Geography | 2 | 6 | 864 | 1529 |
| 885 | Production Engineering | 2 | 6 | 2773 | 4206 |
| 885 | Evolutionary Genetics | 1 | 6 | 1522 | 2341 |
| 885 | Molecular Epidemiology | 1 | 6 | 1522 | 2341 |
| 885 | Holistic Health | 3 | 6 | 528 | 1586 |
| 885 | Ceramic materials | 2 | 6 | 1933 | 3228 |
| 885 | Marriage | 1 | 6 | 1028 | 1533 |
| 885 | Educational Innovation | 1 | 6 | 174 | 271 |
| 885 | paraphilias | 1 | 6 | 382 | 659 |
| 885 | Ventilation | 2 | 6 | 804 | 1759 |
| 885 | psychotherapy | 1 | 6 | 2476 | 3139 |
| 885 | biological agents | 2 | 6 | 1030 | 1438 |
| 885 | Marriage counseling | 1 | 6 | 626 | 938 |
| 885 | Genes | 1 | 6 | 2259 | 3150 |
| 901 | Criminal Law | 1 | 5 | 540 | 667 |
| 901 | Higher Education | 1 | 5 | 1128 | 1555 |
| 901 | Neurosurgery | 1 | 5 | 1978 | 2795 |
| 901 | Political Ecology | 1 | 5 | 223 | 279 |
| 901 | Computer-Aided Design | 4 | 5 | 1268 | 3181 |
| 901 | Art and Design | 4 | 5 | 8 | 135 |
| 901 | Health insurance | 1 | 5 | 1005 | 1570 |
| 901 | human migration | 1 | 5 | 95 | 126 |
| 901 | Radiation dosimetry | 3 | 5 | 587 | 1361 |
| 901 | Acarology | 1 | 5 | 630 | 1032 |
| 901 | Mites | 1 | 5 | 891 | 1252 |
| 901 | Ticks | 1 | 5 | 698 | 1070 |
| 901 | Acari | 1 | 5 | 609 | 1020 |
| 914 | Rheumatology | 1 | 4 | 2345 | 3156 |
| 914 | Cultural Studies | 1 | 4 | 373 | 663 |
| 914 | Structural optimization | 1 | 4 | 730 | 1158 |
| 914 | Freshwater Ecology | 1 | 4 | 599 | 985 |
| 914 | Ceramics | 1 | 4 | 2649 | 3385 |
| 914 | Metallurgy | 3 | 4 | 2845 | 4879 |
| 914 | Long-Term Care | 1 | 4 | 1131 | 1755 |
| 914 | Information visualization | 1 | 4 | 460 | 716 |
| 914 | Long-term care facilities | 1 | 4 | 1122 | 1738 |
| 914 | Nationalism | 1 | 4 | 681 | 913 |
| 914 | Developmental Neurobiology | 2 | 4 | 856 | 1680 |
| 914 | Religion and Culture | 1 | 4 | 709 | 921 |
| 914 | Religion and Psychology | 1 | 4 | 1172 | 1743 |
| 914 | Plastics | 1 | 4 | 3118 | 4011 |
| 914 | Fossil fuels | 2 | 4 | 116 | 253 |
| 914 | society | 1 | 4 | 225 | 389 |
| 914 | Catholicism | 1 | 4 | 170 | 130 |
| 914 | International Business | 1 | 4 | 456 | 820 |
| 914 | Aquatic animals | 1 | 4 | 451 | 807 |
| 914 | Neurodevelopmental disorders | 2 | 4 | 78 | 220 |
| 914 | cryosphere | 1 | 4 | 735 | 1140 |
| 914 | Refractory materials | 1 | 4 | 293 | 357 |
| 914 | Geospatial data | 1 | 4 | 83 | 276 |
| 914 | textile fibers | 1 | 4 | 981 | 1425 |
| 914 | healthcare industry | 1 | 4 | 124 | 323 |
| 939 | Information Theory | 1 | 3 | 2237 | 2877 |
| 939 | Manufacturing Processes | 1 | 3 | 3888 | 5001 |
| 939 | Product Design | 1 | 3 | 1011 | 1462 |
| 939 | Oral Medicine | 1 | 3 | 1381 | 2027 |
| 939 | Immunohematology | 2 | 3 | 186 | 417 |
| 939 | Educational Research | 1 | 3 | 233 | 475 |
| 939 | Aesthetics | 1 | 3 | 430 | 386 |
| 939 | Politics | 1 | 3 | 1272 | 1263 |
| 939 | Microwave circuits | 1 | 3 | 329 | 490 |
| 939 | population health | 1 | 3 | 12 | 37 |
| 939 | Interdisciplinary Research | 1 | 3 | 63 | 57 |
| 939 | Religion and Sociology | 1 | 3 | 604 | 664 |
| 939 | Fixed Point Theory | 1 | 3 | 701 | 866 |
| 939 | Geodynamics | 1 | 3 | 1438 | 1996 |
| 939 | Blood group antigens | 2 | 3 | 126 | 297 |
| 939 | Freezing | 2 | 3 | 531 | 1050 |
| 939 | Environmental risk assessment | 1 | 3 | 984 | 1755 |
| 939 | Family Therapy | 1 | 3 | 1375 | 2085 |
| 939 | Elderly | 2 | 3 | 1917 | 2640 |
| 939 | child mental health | 1 | 3 | 890 | 1499 |
| 939 | Mortgages | 1 | 3 | 415 | 690 |
| 939 | Alloys | 1 | 3 | 675 | 965 |
| 939 | Visual arts education | 1 | 3 | 48 | 49 |
| 939 | grief | 1 | 3 | 191 | 258 |
| 939 | cardiac catheterization | 1 | 3 | 1499 | 1970 |
| 939 | African diaspora | 1 | 3 | 151 | 183 |
| 939 | mortality | 1 | 3 | 187 | 320 |
| 939 | pain | 1 | 3 | 2702 | 3744 |
| 939 | death | 1 | 3 | 707 | 1194 |
| 939 | Venezuela | 1 | 3 | 306 | 253 |
| 939 | Radio frequency | 1 | 3 | 747 | 1112 |
| 939 | Bereavement | 1 | 3 | 433 | 725 |
| 971 | Systems Engineering | 2 | 2 | 3189 | 5182 |
| 971 | Cognitive Psychology | 1 | 2 | 842 | 1237 |
| 971 | Food Safety | 2 | 2 | 410 | 1313 |
| 971 | Photography | 1 | 2 | 4692 | 4495 |
| 971 | Visual Communication | 1 | 2 | 1009 | 1509 |
| 971 | Algebra | 1 | 2 | 2391 | 2655 |
| 971 | Agricultural Economics | 1 | 2 | 184 | 350 |
| 971 | Rural Sociology | 1 | 2 | 12 | 10 |
| 971 | Histochemistry | 1 | 2 | 2148 | 3172 |
| 971 | Quantum electronics | 1 | 2 | 2151 | 2823 |
| 971 | Sports Medicine | 1 | 2 | 4384 | 5501 |
| 971 | Differential Equations | 2 | 2 | 1340 | 2183 |
| 971 | Organizational learning | 3 | 2 | 541 | 2112 |
| 971 | consumer behavior | 1 | 2 | 1061 | 1745 |
| 971 | Arboriculture | 1 | 2 | 135 | 217 |
| 971 | Medical Illustration | 1 | 2 | 74 | 146 |
| 971 | Simulation Methods | 1 | 2 | 2083 | 3064 |
| 971 | Crisis management | 1 | 2 | 417 | 773 |
| 971 | Plant physiology | 1 | 2 | 3458 | 4810 |
| 971 | histological techniques | 1 | 2 | 1524 | 2253 |
| 971 | Computational Complexity | 2 | 2 | 1604 | 2973 |
| 971 | Optical materials | 1 | 2 | 4027 | 5415 |
| 971 | Eastern Europe | 2 | 2 | 1514 | 2620 |
| 971 | personality | 1 | 2 | 2438 | 3536 |
| 971 | irrigation | 1 | 2 | 873 | 1429 |
| 971 | Budget | 1 | 2 | 330 | 551 |
| 971 | drainage | 1 | 2 | 813 | 1275 |
| 971 | Common Agricultural Policy | 1 | 2 | 12 | 10 |
| 971 | disaster relief | 1 | 2 | 547 | 1114 |
| 971 | violence | 1 | 2 | 1772 | 2857 |