| 1 | Medicine | 500 | 9.9K | 725 | 1215 |
| 2 | Science | 343 | 6.7K | 945 | 2176 |
| 3 | Public Health | 316 | 5.5K | 341 | 586 |
| 4 | Research | 284 | 4.8K | 872 | 1351 |
| 5 | Oncology | 9 | 2.9K | 1636 | 615 |
| 6 | Environmental monitoring | 68 | 2.8K | 640 | 592 |
| 7 | Biology | 154 | 2.7K | 1728 | 3355 |
| 8 | Pollution | 60 | 2.5K | 1479 | 1429 |
| 9 | Microbiology | 50 | 2.4K | 2259 | 1917 |
| 10 | Ecology | 90 | 2.2K | 1369 | 1826 |
| 11 | environmental pollution | 56 | 2.1K | 1131 | 1051 |
| 12 | Epidemiology | 141 | 2.0K | 413 | 741 |
| 13 | Physics | 36 | 1.8K | 4494 | 4218 |
| 13 | Environmental Health | 100 | 1.8K | 868 | 1403 |
| 15 | management | 126 | 1.8K | 371 | 799 |
| 16 | Chemistry | 83 | 1.6K | 2817 | 3497 |
| 17 | Africa | 186 | 1.6K | 35 | 62 |
| 18 | Developing countries | 99 | 1.6K | 176 | 321 |
| 19 | Economic History | 100 | 1.5K | 465 | 455 |
| 20 | Earth Sciences | 110 | 1.4K | 416 | 815 |
| 21 | Medicinal plants | 33 | 1.4K | 265 | 222 |
| 22 | Pharmacognosy | 27 | 1.3K | 555 | 373 |
| 22 | Renewable Energy Sources | 30 | 1.3K | 689 | 904 |
| 24 | Adolescent | 27 | 1.3K | 648 | 358 |
| 25 | Child | 15 | 1.2K | 1357 | 490 |
| 26 | Environmental Policy | 74 | 1.2K | 451 | 992 |
| 27 | Tropical Medicine | 44 | 1.1K | 297 | 237 |
| 28 | Nutrition | 60 | 1.0K | 1081 | 1518 |
| 29 | Malaria | 54 | 967 | 88 | 133 |
| 30 | Land use | 37 | 937 | 128 | 169 |
| 31 | Sustainable Development | 75 | 908 | 102 | 458 |
| 32 | Neurology | 60 | 891 | 1699 | 2549 |
| 33 | Geography | 62 | 889 | 434 | 637 |
| 34 | Virology | 19 | 881 | 1618 | 1871 |
| 35 | Food | 44 | 853 | 770 | 1032 |
| 36 | Immunology | 15 | 843 | 2400 | 1942 |
| 37 | Human Geography | 57 | 842 | 149 | 210 |
| 38 | Host-parasite interactions | 6 | 831 | 1064 | 673 |
| 39 | Parasitology | 49 | 830 | 549 | 672 |
| 40 | Obstetrics | 35 | 814 | 842 | 810 |
| 41 | Biotechnology | 52 | 813 | 1911 | 2961 |
| 41 | Immunity | 5 | 813 | 1911 | 1240 |
| 43 | Pregnancy | 33 | 811 | 131 | 114 |
| 44 | Human genetics | 7 | 804 | 1975 | 2137 |
| 45 | city planning | 49 | 786 | 263 | 336 |
| 46 | Economic Development | 35 | 785 | 388 | 541 |
| 47 | Economics | 67 | 770 | 1093 | 1281 |
| 48 | Engineering | 58 | 739 | 949 | 1081 |
| 49 | Environment | 33 | 723 | 1826 | 2991 |
| 50 | Social Sciences | 81 | 716 | 536 | 711 |
| 51 | complementary therapies | 43 | 707 | 290 | 359 |
| 52 | Business | 50 | 705 | 395 | 858 |
| 53 | Alternative Medicine | 41 | 703 | 284 | 349 |
| 54 | Chemical Engineering | 21 | 674 | 2377 | 2233 |
| 55 | Environmental Toxicology | 19 | 670 | 995 | 1050 |
| 55 | Health Services Research | 60 | 670 | 255 | 468 |
| 57 | radioactive waste | 4 | 667 | 751 | 283 |
| 57 | industrial waste | 4 | 667 | 793 | 285 |
| 57 | Hazardous waste | 4 | 667 | 918 | 306 |
| 60 | finance | 51 | 659 | 481 | 659 |
| 61 | food technology | 28 | 657 | 836 | 939 |
| 62 | Parasitic Diseases | 38 | 651 | 500 | 818 |
| 63 | Toxicology | 14 | 636 | 2988 | 2266 |
| 64 | health planning | 36 | 620 | 445 | 497 |
| 65 | Quality Control | 24 | 599 | 439 | 446 |
| 66 | Urban Policy | 32 | 593 | 86 | 145 |
| 67 | Agriculture | 60 | 591 | 356 | 785 |
| 68 | Natural history | 8 | 584 | 3398 | 4261 |
| 69 | United States | 36 | 580 | 1686 | 1956 |
| 70 | Sociology | 45 | 576 | 705 | 987 |
| 71 | Medical Microbiology | 11 | 574 | 1581 | 1354 |
| 72 | Biocompatible Materials | 3 | 554 | 4428 | 2259 |
| 73 | Materials | 20 | 548 | 3358 | 3108 |
| 74 | environmental protection | 29 | 546 | 1141 | 1551 |
| 75 | Environmental Management | 25 | 543 | 1033 | 1492 |
| 75 | construction industry | 40 | 543 | 5 | 6 |
| 77 | Virulence | 4 | 540 | 1257 | 798 |
| 78 | food contamination | 23 | 527 | 205 | 176 |
| 79 | world | 6 | 511 | 576 | 374 |
| 80 | viruses | 5 | 509 | 1465 | 959 |
| 81 | Surgery | 8 | 493 | 1774 | 1435 |
| 82 | Primary health care | 51 | 485 | 286 | 542 |
| 83 | Health Services Administration | 24 | 449 | 257 | 358 |
| 84 | Water | 33 | 446 | 775 | 1609 |
| 85 | Health Policy | 39 | 433 | 572 | 966 |
| 86 | Project Management | 6 | 432 | 164 | 159 |
| 87 | Biochemistry | 25 | 412 | 4850 | 5681 |
| 88 | Bacterial infections | 8 | 411 | 532 | 579 |
| 89 | global environmental change | 14 | 404 | 326 | 468 |
| 90 | Health | 27 | 403 | 728 | 1024 |
| 91 | Mental Disorders | 18 | 388 | 1565 | 1939 |
| 92 | Computational Biology | 22 | 386 | 1102 | 1460 |
| 93 | Food additives | 7 | 385 | 879 | 579 |
| 93 | Women's health | 31 | 385 | 243 | 415 |
| 95 | pollutants | 6 | 382 | 1653 | 1072 |
| 95 | Environmental pollutants | 6 | 382 | 2026 | 1268 |
| 97 | health services accessibility | 39 | 381 | 138 | 290 |
| 98 | food handling | 7 | 380 | 567 | 376 |
| 99 | Artificial Intelligence | 6 | 377 | 3377 | 1801 |
| 100 | Cognitive Science | 2 | 366 | 2256 | 749 |
| 101 | Urban Planning | 21 | 364 | 63 | 130 |
| 102 | Geophysics | 27 | 361 | 1672 | 2177 |
| 103 | United Kingdom | 13 | 358 | 871 | 1023 |
| 104 | Evidence-Based Medicine | 20 | 356 | 351 | 337 |
| 105 | Geology | 21 | 353 | 1517 | 1635 |
| 106 | environmental exposure | 6 | 351 | 1654 | 992 |
| 107 | Psychology | 29 | 346 | 1926 | 2673 |
| 107 | commerce | 25 | 346 | 416 | 724 |
| 109 | Materials Science | 16 | 339 | 2875 | 2916 |
| 110 | Humanities | 32 | 338 | 320 | 230 |
| 111 | Colloids | 9 | 333 | 2798 | 2490 |
| 112 | Energy Policy | 14 | 326 | 1426 | 1922 |
| 113 | Hydrology | 39 | 324 | 701 | 1354 |
| 114 | Water pollution | 12 | 319 | 1681 | 1915 |
| 115 | Fractals | 6 | 312 | 1040 | 452 |
| 116 | Environmental Engineering | 45 | 304 | 1005 | 2556 |
| 116 | Solitons | 5 | 304 | 983 | 415 |
| 116 | Chaos | 5 | 304 | 983 | 415 |
| 119 | Socioeconomic Factors | 12 | 303 | 300 | 291 |
| 120 | Global Health | 45 | 302 | 121 | 291 |
| 121 | Parasites | 16 | 301 | 717 | 766 |
| 122 | Diagnostic microbiology | 7 | 300 | 1102 | 1311 |
| 123 | Development | 7 | 299 | 577 | 510 |
| 124 | Psychiatry | 13 | 298 | 2832 | 3027 |
| 125 | Economic Assistance | 6 | 296 | 540 | 463 |
| 126 | Diet | 10 | 290 | 1484 | 1688 |
| 126 | disease vectors | 13 | 290 | 434 | 468 |
| 128 | Sustainable agriculture | 12 | 289 | 291 | 323 |
| 129 | Biomass Energy | 19 | 285 | 1091 | 1868 |
| 129 | Technology | 58 | 285 | 977 | 2385 |
| 131 | Climatology | 16 | 283 | 884 | 1170 |
| 132 | Agricultural Ecology | 10 | 280 | 666 | 882 |
| 133 | Environmental Geology | 13 | 279 | 828 | 947 |
| 134 | mycoses | 2 | 274 | 1303 | 719 |
| 135 | Mathematics | 30 | 270 | 2889 | 2899 |
| 136 | Cytology | 4 | 269 | 4686 | 3687 |
| 137 | Information Technology | 12 | 268 | 1397 | 1055 |
| 138 | Biochemical Engineering | 7 | 266 | 2739 | 3131 |
| 139 | Population | 16 | 265 | 394 | 486 |
| 140 | planning | 10 | 263 | 299 | 190 |
| 141 | Transportation | 17 | 261 | 740 | 965 |
| 142 | occupational diseases | 15 | 259 | 368 | 536 |
| 143 | Social work | 30 | 257 | 377 | 522 |
| 144 | Regional Planning | 14 | 251 | 788 | 801 |
| 145 | forest policy | 10 | 249 | 158 | 143 |
| 146 | food consumption | 5 | 248 | 41 | 26 |
| 147 | Entomology | 19 | 247 | 1152 | 1169 |
| 148 | Molecular Biology | 19 | 244 | 4758 | 6646 |
| 149 | Food Preservation | 16 | 241 | 215 | 198 |
| 150 | Medical genetics | 9 | 238 | 2215 | 2683 |
| 151 | Pharmacology | 12 | 233 | 3810 | 4213 |
| 151 | economic conditions | 3 | 233 | 760 | 323 |
| 151 | water reuse | 7 | 233 | 130 | 105 |
| 151 | Fertilizers | 6 | 233 | 266 | 202 |
| 155 | Housing | 11 | 229 | 184 | 240 |
| 156 | Contraception | 21 | 227 | 163 | 344 |
| 157 | construction | 17 | 226 | 34 | 103 |
| 158 | Educational Technology | 6 | 220 | 1193 | 747 |
| 159 | Economic Thought | 1 | 217 | 607 | 285 |
| 159 | China | 17 | 217 | 1376 | 1657 |
| 161 | Food Policy | 1 | 215 | 763 | 258 |
| 161 | Electrochemistry | 10 | 215 | 2877 | 2623 |
| 161 | agricultural policy | 2 | 215 | 372 | 212 |
| 161 | Water quality management | 17 | 215 | 755 | 1030 |
| 165 | Petroleum Engineering | 15 | 214 | 320 | 412 |
| 165 | Plant diseases | 10 | 214 | 1321 | 1209 |
| 167 | Waste management | 9 | 213 | 879 | 694 |
| 167 | environmental issues | 5 | 213 | 325 | 237 |
| 169 | Reproduction | 10 | 212 | 1644 | 1679 |
| 169 | Molecular structure | 25 | 212 | 891 | 1699 |
| 171 | Public Policy | 8 | 210 | 1212 | 1125 |
| 171 | Composite Materials | 9 | 210 | 1967 | 2219 |
| 173 | infection | 5 | 209 | 1697 | 1402 |
| 174 | Nursing | 16 | 207 | 854 | 796 |
| 174 | Aquaculture | 18 | 207 | 626 | 938 |
| 176 | Mental Health Services | 7 | 204 | 957 | 717 |
| 177 | community development | 9 | 203 | 292 | 253 |
| 178 | Cell Biology | 5 | 202 | 4155 | 4058 |
| 179 | Structural Engineering | 19 | 201 | 797 | 1028 |
| 180 | medical education | 7 | 200 | 1550 | 1056 |
| 181 | Surface Chemistry | 12 | 198 | 2525 | 3015 |
| 182 | Infections | 6 | 197 | 1059 | 1193 |
| 182 | natural disasters | 3 | 197 | 1635 | 892 |
| 184 | Human Rights | 11 | 196 | 220 | 192 |
| 184 | Health Risk Assessment | 16 | 196 | 63 | 123 |
| 184 | Ecological disturbances | 1 | 196 | 86 | 9 |
| 184 | Environmental disasters | 1 | 196 | 86 | 9 |
| 188 | Embryology | 4 | 194 | 1681 | 1530 |
| 189 | Industrial Engineering | 16 | 191 | 878 | 1309 |
| 189 | Computational Intelligence | 12 | 191 | 315 | 319 |
| 189 | energy development | 10 | 191 | 367 | 673 |
| 192 | Vaccines | 11 | 189 | 1170 | 1472 |
| 193 | Education | 37 | 187 | 1221 | 1936 |
| 193 | Soil Science | 15 | 187 | 928 | 1505 |
| 193 | Industrial Microbiology | 4 | 187 | 2095 | 1789 |
| 193 | drug resistance | 4 | 187 | 715 | 440 |
| 197 | soil microbiology | 7 | 185 | 1097 | 1513 |
| 198 | Optics | 10 | 184 | 3853 | 2932 |
| 198 | Middle East | 8 | 184 | 631 | 312 |
| 200 | Urban Renewal | 22 | 181 | 8 | 15 |
| 200 | Ethnology | 9 | 181 | 964 | 695 |
| 202 | energy resources | 4 | 180 | 1374 | 1543 |
| 202 | Cancer | 12 | 180 | 2509 | 3468 |
| 204 | Atmospheric Physics | 9 | 179 | 1196 | 1387 |
| 204 | Phytotherapy | 13 | 179 | 285 | 543 |
| 206 | Catalysis | 7 | 176 | 2919 | 3066 |
| 206 | Hypertension | 17 | 176 | 841 | 1882 |
| 206 | economic policy | 21 | 176 | 1007 | 1235 |
| 209 | Civil Engineering | 20 | 175 | 772 | 756 |
| 210 | Pediatrics | 14 | 172 | 1547 | 2557 |
| 211 | Medical Laboratory Science | 4 | 170 | 2318 | 1891 |
| 212 | Genetics | 8 | 169 | 3224 | 4028 |
| 212 | Traditional medicine | 11 | 169 | 73 | 150 |
| 214 | Hematology | 16 | 168 | 2101 | 2689 |
| 215 | Ethics | 7 | 167 | 666 | 431 |
| 216 | Zoology | 17 | 164 | 1387 | 1734 |
| 216 | Risk assessment | 14 | 164 | 133 | 251 |
| 218 | Travel | 30 | 163 | 126 | 437 |
| 218 | Primates | 3 | 163 | 897 | 474 |
| 220 | Biomass | 4 | 162 | 593 | 675 |
| 220 | hydrocolloids | 1 | 162 | 1187 | 685 |
| 222 | Urban society | 12 | 161 | 11 | 13 |
| 223 | Oceanography | 7 | 158 | 1514 | 1516 |
| 224 | Medical Ethics | 8 | 157 | 760 | 571 |
| 225 | Reproductive health | 18 | 154 | 232 | 534 |
| 225 | Obesity | 7 | 154 | 1667 | 2074 |
| 227 | Meteorology | 17 | 152 | 1178 | 2369 |
| 228 | Child welfare | 21 | 150 | 344 | 687 |
| 229 | Computer Graphics | 15 | 149 | 769 | 1186 |
| 229 | Information Science | 8 | 149 | 1831 | 2069 |
| 231 | Biomedical Engineering | 7 | 148 | 4473 | 4514 |
| 232 | Animal ecology | 12 | 146 | 662 | 965 |
| 233 | Germany | 12 | 143 | 267 | 160 |
| 234 | Recycling | 4 | 141 | 554 | 840 |
| 235 | urban health | 2 | 139 | 424 | 232 |
| 236 | Cytogenetics | 3 | 137 | 1985 | 1911 |
| 236 | diseases | 3 | 137 | 394 | 896 |
| 238 | Research Design | 8 | 136 | 838 | 1075 |
| 238 | traffic safety | 5 | 136 | 228 | 144 |
| 238 | Kidney diseases | 14 | 136 | 466 | 915 |
| 241 | Environmental Chemistry | 8 | 133 | 1582 | 2343 |
| 242 | foods | 10 | 132 | 62 | 114 |
| 242 | Quality of life | 8 | 132 | 1048 | 1506 |
| 244 | Anthropology | 6 | 131 | 1392 | 1028 |
| 245 | Analytical Chemistry | 7 | 130 | 3886 | 4126 |
| 245 | Molecular Genetics | 4 | 130 | 1966 | 2080 |
| 245 | Metabolic diseases | 9 | 130 | 1846 | 2837 |
| 245 | geological modeling | 24 | 130 | 79 | 325 |
| 249 | Immunotherapy | 6 | 129 | 1694 | 2115 |
| 250 | Process Control | 3 | 128 | 1010 | 1054 |
| 250 | Wildlife management | 11 | 128 | 307 | 399 |
| 250 | Production Management | 3 | 128 | 1253 | 1255 |
| 253 | Social welfare | 13 | 126 | 224 | 333 |
| 253 | drinking water | 12 | 126 | 21 | 27 |
| 253 | Decision making | 10 | 126 | 841 | 1156 |
| 253 | hygiene | 12 | 126 | 169 | 416 |
| 257 | Zeolites | 3 | 123 | 1089 | 1018 |
| 258 | soil conservation | 4 | 122 | 779 | 677 |
| 258 | Entrepreneurship | 11 | 122 | 473 | 1024 |
| 260 | Building Materials | 7 | 121 | 1372 | 1857 |
| 261 | Planetary Science | 5 | 119 | 509 | 407 |
| 261 | Family | 4 | 119 | 934 | 695 |
| 261 | Meteorites | 5 | 119 | 899 | 1153 |
| 264 | Health Education | 5 | 118 | 1820 | 1599 |
| 265 | Geriatrics | 16 | 117 | 1621 | 2642 |
| 266 | Solar Energy | 3 | 115 | 2075 | 1882 |
| 266 | rehabilitation | 10 | 115 | 1436 | 2109 |
| 268 | child abuse | 4 | 113 | 793 | 855 |
| 268 | Egypt | 10 | 113 | 133 | 346 |
| 268 | Soil ecology | 2 | 113 | 1114 | 869 |
| 271 | Clinical Immunology | 3 | 111 | 1696 | 1366 |
| 271 | Medical Anthropology | 7 | 111 | 947 | 1594 |
| 271 | Developmental Immunology | 3 | 111 | 974 | 792 |
| 271 | Building | 9 | 111 | 506 | 522 |
| 271 | Disease | 1 | 111 | 839 | 898 |
| 276 | Birth control | 15 | 108 | 147 | 430 |
| 277 | Telecommunication Systems | 7 | 105 | 1238 | 1242 |
| 278 | Medical Technology | 8 | 103 | 1247 | 1869 |
| 279 | Infection control | 2 | 102 | 1095 | 666 |
| 279 | land degradation | 3 | 102 | 572 | 482 |
| 279 | degradation | 3 | 102 | 572 | 482 |
| 282 | Developmental Biology | 5 | 101 | 1991 | 2569 |
| 283 | elder abuse | 2 | 100 | 420 | 295 |
| 283 | family violence | 2 | 100 | 584 | 415 |
| 285 | Ophthalmology | 7 | 99 | 1518 | 1890 |
| 286 | Phytochemistry | 3 | 97 | 306 | 249 |
| 286 | Metabolism | 8 | 97 | 2332 | 3608 |
| 286 | Tourism | 16 | 97 | 668 | 1668 |
| 286 | Phytoremediation | 3 | 97 | 306 | 249 |
| 286 | environmental remediation | 3 | 97 | 392 | 289 |
| 286 | Bioreactors | 3 | 97 | 306 | 249 |
| 292 | Globalization | 5 | 95 | 418 | 480 |
| 292 | Aging | 13 | 95 | 1741 | 2870 |
| 294 | Environmental Economics | 5 | 94 | 290 | 355 |
| 295 | Health promotion | 5 | 93 | 1402 | 1573 |
| 296 | Pathology | 8 | 92 | 1934 | 2989 |
| 296 | Molecular ecology | 3 | 92 | 1303 | 1625 |
| 298 | Hydrometeorology | 1 | 90 | 449 | 371 |
| 299 | Plant breeding | 3 | 89 | 1009 | 856 |
| 300 | Geodesy | 5 | 88 | 669 | 705 |
| 301 | Ecological Engineering | 1 | 87 | 1363 | 908 |
| 301 | Water Microbiology | 7 | 87 | 202 | 507 |
| 301 | Mineral resources | 4 | 87 | 524 | 630 |
| 304 | Surface-Active Agents | 1 | 86 | 2145 | 1556 |
| 304 | Water Purification | 4 | 86 | 1166 | 1078 |
| 304 | Surface properties | 1 | 86 | 2253 | 1668 |
| 304 | Jurisprudence | 6 | 86 | 762 | 779 |
| 308 | Geochemistry | 8 | 85 | 1567 | 2291 |
| 308 | Soil biology | 1 | 85 | 1609 | 1313 |
| 308 | Randomized Controlled Trials | 5 | 85 | 1148 | 1034 |
| 308 | Soil fertility | 1 | 85 | 692 | 513 |
| 308 | biological evolution | 3 | 85 | 2562 | 2754 |
| 313 | Nanotechnology | 7 | 84 | 4254 | 5524 |
| 313 | Coastal zone management | 2 | 84 | 1011 | 714 |
| 313 | international trade | 4 | 84 | 688 | 623 |
| 313 | Groundwater | 2 | 84 | 1041 | 679 |
| 317 | Biophysics | 4 | 82 | 6359 | 6305 |
| 317 | soil pollution | 5 | 82 | 425 | 518 |
| 319 | Pharmaceutical Chemistry | 7 | 81 | 3405 | 4605 |
| 320 | Mental illness | 7 | 80 | 1700 | 2768 |
| 321 | Dermatology | 1 | 79 | 3307 | 1942 |
| 321 | Development Economics | 6 | 79 | 298 | 462 |
| 321 | Corporate governance | 5 | 79 | 448 | 654 |
| 324 | Solid State Physics | 6 | 78 | 3449 | 3647 |
| 324 | Dementia | 2 | 78 | 2109 | 1190 |
| 324 | Alzheimer's disease | 2 | 78 | 2156 | 1287 |
| 327 | Geomorphology | 2 | 77 | 1874 | 1725 |
| 327 | Health Information Management | 1 | 77 | 713 | 738 |
| 329 | Diabetes mellitus | 4 | 76 | 2385 | 3079 |
| 329 | Safety management | 4 | 76 | 566 | 396 |
| 329 | economic development projects | 4 | 76 | 146 | 175 |
| 329 | Australia | 13 | 76 | 953 | 1796 |
| 333 | Municipal Engineering | 4 | 75 | 317 | 372 |
| 333 | Erectile dysfunction | 4 | 75 | 233 | 269 |
| 333 | Climate | 5 | 75 | 497 | 805 |
| 336 | Applied Mathematics | 10 | 74 | 441 | 380 |
| 336 | health behavior | 5 | 74 | 859 | 1167 |
| 338 | Social policy | 6 | 72 | 784 | 857 |
| 339 | Rural Development | 5 | 71 | 456 | 550 |
| 339 | water supply | 4 | 71 | 952 | 1269 |
| 341 | Histology | 1 | 70 | 3510 | 2500 |
| 341 | Geriatric Psychiatry | 6 | 70 | 889 | 1433 |
| 341 | Polymers | 5 | 70 | 4395 | 4760 |
| 341 | soil management | 3 | 70 | 630 | 828 |
| 341 | atmosphere | 3 | 70 | 991 | 1076 |
| 341 | tillage | 3 | 70 | 467 | 712 |
| 347 | Astrophysics | 2 | 69 | 4061 | 3318 |
| 347 | Mental Health | 6 | 69 | 1380 | 1822 |
| 347 | Geographic information systems | 11 | 69 | 518 | 966 |
| 347 | Biodiversity conservation | 4 | 69 | 1802 | 2498 |
| 347 | Telecommunication | 7 | 69 | 1844 | 2010 |
| 347 | polymerization | 4 | 69 | 4057 | 4055 |
| 353 | Telemedicine | 2 | 68 | 603 | 503 |
| 353 | Hospitality industry | 6 | 68 | 226 | 420 |
| 353 | eugenics | 1 | 68 | 1410 | 700 |
| 353 | Breeding | 1 | 68 | 2268 | 1493 |
| 357 | Marine resources | 4 | 67 | 668 | 848 |
| 358 | Small Business | 4 | 66 | 749 | 1202 |
| 358 | biomedicine | 3 | 66 | 1099 | 1184 |
| 358 | wood | 18 | 66 | 161 | 437 |
| 361 | Demography | 6 | 65 | 532 | 867 |
| 361 | greenhouse effect | 3 | 65 | 55 | 98 |
| 361 | Carbon | 3 | 65 | 1639 | 2084 |
| 361 | Carbon dioxide | 3 | 65 | 55 | 98 |
| 365 | Molecular evolution | 1 | 64 | 2937 | 2250 |
| 365 | Growth | 1 | 64 | 2155 | 1949 |
| 365 | Phylogeny | 1 | 64 | 1680 | 1369 |
| 368 | International Finance | 5 | 63 | 1455 | 1713 |
| 369 | Pharmacy | 7 | 62 | 1746 | 2823 |
| 369 | Sedimentology | 4 | 62 | 596 | 817 |
| 369 | Social Change | 3 | 62 | 1157 | 1541 |
| 369 | Developmental Disabilities | 8 | 62 | 675 | 1464 |
| 373 | Engineering Mathematics | 11 | 61 | 1647 | 2332 |
| 373 | Psychosomatic Medicine | 4 | 61 | 861 | 1283 |
| 375 | Environmental Geochemistry | 8 | 60 | 224 | 644 |
| 375 | Minerals | 8 | 60 | 424 | 978 |
| 377 | Genomics | 8 | 59 | 2714 | 4633 |
| 377 | Ethnobotany | 4 | 59 | 166 | 347 |
| 377 | cytokines | 3 | 59 | 1648 | 2000 |
| 380 | ethnobiology | 3 | 58 | 265 | 389 |
| 380 | Ethnomedicine | 3 | 58 | 181 | 345 |
| 382 | Industrial Safety | 4 | 57 | 1226 | 1388 |
| 382 | Food Microbiology | 6 | 57 | 1032 | 2199 |
| 382 | Capital market | 2 | 57 | 577 | 564 |
| 382 | Japan | 1 | 57 | 4131 | 2245 |
| 382 | Microwaves | 7 | 57 | 870 | 892 |
| 387 | Cardiovascular system | 2 | 56 | 2340 | 2746 |
| 387 | Watershed management | 10 | 56 | 30 | 175 |
| 387 | marketing | 4 | 56 | 1869 | 2191 |
| 387 | Industry | 1 | 56 | 528 | 562 |
| 391 | Tribology | 3 | 55 | 1485 | 1459 |
| 391 | Social Entrepreneurship | 5 | 55 | 43 | 164 |
| 391 | sustainable forestry | 6 | 55 | 49 | 76 |
| 394 | Hydraulic Engineering | 7 | 54 | 874 | 1333 |
| 394 | Hemodynamics | 2 | 54 | 917 | 1156 |
| 394 | food industry | 17 | 54 | 103 | 608 |
| 397 | Adolescent Medicine | 1 | 53 | 1373 | 1302 |
| 397 | Career development | 1 | 53 | 885 | 415 |
| 397 | Metabolic syndrome | 2 | 53 | 369 | 288 |
| 397 | Technological Innovations | 9 | 53 | 543 | 1312 |
| 397 | color | 3 | 53 | 299 | 267 |
| 397 | Diabetes | 3 | 53 | 2810 | 3523 |
| 403 | Physical organic chemistry | 6 | 52 | 1182 | 1745 |
| 403 | Fishery management | 7 | 52 | 618 | 1068 |
| 403 | women's rights | 2 | 52 | 292 | 223 |
| 403 | biological monitoring | 3 | 52 | 585 | 836 |
| 403 | Aquatic ecology | 5 | 52 | 888 | 1229 |
| 408 | Horticulture | 7 | 51 | 556 | 880 |
| 408 | Optoelectronics | 2 | 51 | 882 | 459 |
| 408 | Emergency Medicine | 5 | 51 | 1597 | 1967 |
| 408 | Immunochemistry | 10 | 51 | 589 | 1447 |
| 408 | Fiber Optics | 2 | 51 | 778 | 420 |
| 408 | Outdoor recreation | 1 | 51 | 188 | 86 |
| 408 | immunoassay | 10 | 51 | 46 | 142 |
| 408 | ecotourism | 1 | 51 | 497 | 349 |
| 416 | Nanoelectronics | 2 | 50 | 1290 | 911 |
| 416 | Microelectronics | 2 | 50 | 2588 | 2491 |
| 416 | Solid State Chemistry | 4 | 50 | 2639 | 2958 |
| 416 | Semiconductor industry | 2 | 50 | 956 | 735 |
| 416 | international cooperation | 2 | 50 | 899 | 916 |
| 421 | Qualitative Research | 2 | 49 | 721 | 575 |
| 421 | biological factors | 10 | 49 | 1232 | 2781 |
| 423 | Leadership | 4 | 48 | 449 | 812 |
| 423 | Lipids | 3 | 48 | 1660 | 2307 |
| 423 | Biodiversity | 2 | 48 | 3360 | 3116 |
| 426 | Chronic diseases | 5 | 47 | 655 | 1314 |
| 427 | Organic Chemistry | 3 | 46 | 3681 | 4096 |
| 427 | Educational Psychology | 2 | 46 | 1942 | 1735 |
| 427 | Immunopharmacology | 1 | 46 | 2149 | 1656 |
| 427 | Bioorganic chemistry | 3 | 46 | 3305 | 3974 |
| 427 | blood transfusion | 6 | 46 | 683 | 1060 |
| 427 | Therapeutics | 4 | 46 | 1999 | 3062 |
| 433 | Community Psychiatry | 3 | 45 | 1255 | 1680 |
| 433 | Public Administration | 11 | 45 | 797 | 1418 |
| 433 | Population Genetics | 2 | 45 | 1765 | 2095 |
| 433 | Mycotoxins | 2 | 45 | 253 | 215 |
| 433 | System analysis | 5 | 45 | 2432 | 3156 |
| 433 | Psychiatric Epidemiology | 3 | 45 | 598 | 1034 |
| 439 | Atmospheric Chemistry | 2 | 44 | 1308 | 1598 |
| 439 | Risk Management | 6 | 44 | 526 | 1100 |
| 439 | Strategic planning | 5 | 44 | 626 | 1059 |
| 439 | India | 11 | 44 | 924 | 1330 |
| 443 | Botany | 8 | 43 | 3171 | 5168 |
| 443 | preventive medicine | 3 | 43 | 1690 | 2296 |
| 443 | Agricultural systems | 3 | 43 | 383 | 690 |
| 443 | Europe | 19 | 43 | 1555 | 4052 |
| 447 | Plant Ecology | 5 | 42 | 1656 | 2747 |
| 447 | Fermentation | 4 | 42 | 269 | 417 |
| 447 | human behavior | 7 | 42 | 1856 | 4402 |
| 447 | brewing | 4 | 42 | 226 | 285 |
| 451 | chronic disease | 3 | 41 | 401 | 585 |
| 451 | Fisheries | 3 | 41 | 2066 | 2280 |
| 453 | Endocrinology | 5 | 40 | 3144 | 4929 |
| 453 | health workforce | 4 | 40 | 167 | 449 |
| 453 | behavioral medicine | 4 | 40 | 1373 | 2435 |
| 453 | Animal health | 6 | 40 | 349 | 482 |
| 453 | Asia | 9 | 40 | 1898 | 3343 |
| 458 | Agronomy | 5 | 39 | 493 | 1126 |
| 458 | Wildlife conservation | 2 | 39 | 1722 | 2110 |
| 458 | microwave antennas | 1 | 39 | 870 | 535 |
| 458 | ecological risk assessment | 2 | 39 | 415 | 474 |
| 458 | Radio wave propagation | 1 | 39 | 1580 | 980 |
| 458 | Organic farming | 2 | 39 | 54 | 56 |
| 464 | Bioengineering | 1 | 38 | 7690 | 6876 |
| 464 | Social Psychology | 2 | 38 | 2986 | 3107 |
| 464 | Biomechanics | 1 | 38 | 3005 | 2256 |
| 464 | Gerontology | 7 | 38 | 1558 | 2581 |
| 464 | Nonprofit organizations | 1 | 38 | 672 | 517 |
| 464 | nanoscience | 3 | 38 | 3428 | 4298 |
| 470 | Bioinformatics | 4 | 37 | 2236 | 3171 |
| 470 | Ore deposits | 3 | 37 | 608 | 801 |
| 470 | biological invasions | 4 | 37 | 635 | 1074 |
| 473 | Pesticide residues | 1 | 36 | 206 | 229 |
| 473 | landscapes | 2 | 36 | 281 | 298 |
| 475 | Law | 18 | 35 | 651 | 1046 |
| 475 | Urology | 1 | 35 | 3320 | 2905 |
| 475 | Sedimentary rocks | 3 | 35 | 713 | 973 |
| 475 | urban forestry | 4 | 35 | 203 | 451 |
| 479 | Nanostructured Materials | 3 | 34 | 3640 | 4455 |
| 479 | Ecosystem management | 5 | 34 | 586 | 1184 |
| 479 | Nanostructures | 3 | 34 | 2724 | 3530 |
| 479 | Pharmacy management | 3 | 34 | 356 | 424 |
| 479 | free radicals | 2 | 34 | 2099 | 2723 |
| 479 | public works | 5 | 34 | 135 | 271 |
| 485 | Emergency Medical Services | 4 | 33 | 840 | 1284 |
| 485 | Ecohydrology | 2 | 33 | 560 | 616 |
| 485 | vibration | 3 | 33 | 1531 | 1807 |
| 485 | Bacteria | 2 | 33 | 574 | 947 |
| 485 | biochemical markers | 4 | 33 | 877 | 1464 |
| 485 | Intellectual disability | 4 | 33 | 841 | 1311 |
| 491 | Educational Leadership | 1 | 32 | 353 | 194 |
| 491 | energy conservation | 6 | 32 | 1656 | 3560 |
| 491 | sustainability | 9 | 32 | 398 | 1532 |
| 491 | Investment analysis | 2 | 32 | 1188 | 1115 |
| 495 | ethnicity | 4 | 31 | 668 | 859 |
| 495 | drug therapy | 3 | 31 | 3037 | 4108 |
| 495 | Fuzzy systems | 2 | 31 | 2525 | 2216 |
| 495 | Plants | 4 | 31 | 2360 | 3262 |
| 499 | Oxidative stress | 1 | 30 | 2300 | 2475 |
| 499 | Cellular senescence | 1 | 30 | 1583 | 1758 |
| 499 | poverty | 4 | 30 | 327 | 790 |
| 499 | Antibacterial agents | 1 | 30 | 1549 | 1637 |
| 499 | Noise control | 2 | 30 | 471 | 27 |
| 499 | Business Ethics | 5 | 30 | 772 | 1751 |
| 499 | natural products | 6 | 30 | 1533 | 2596 |
| 499 | disabilities | 3 | 30 | 909 | 1331 |
| 499 | Soundproofing | 2 | 30 | 159 | 74 |
| 499 | drug development | 2 | 30 | 1684 | 2588 |
| 499 | Cell metabolism | 1 | 30 | 1458 | 1711 |
| 499 | Industrial noise | 2 | 30 | 71 | 22 |
| 511 | Political Science | 3 | 29 | 2202 | 1883 |
| 511 | Biogeography | 1 | 29 | 1740 | 1991 |
| 511 | Mathematical Physics | 2 | 29 | 4203 | 3517 |
| 511 | Microbial Biotechnology | 2 | 29 | 1586 | 1933 |
| 511 | health and race | 3 | 29 | 260 | 476 |
| 511 | Visual Perception | 1 | 29 | 3599 | 3233 |
| 511 | ethnic groups | 3 | 29 | 360 | 566 |
| 511 | Scandinavia | 1 | 29 | 1501 | 1266 |
| 511 | Memory | 1 | 29 | 3795 | 3549 |
| 511 | Attention | 1 | 29 | 3765 | 3376 |
| 511 | Perception | 1 | 29 | 3856 | 3470 |
| 511 | gene mapping | 3 | 29 | 2624 | 4075 |
| 523 | Computer Science | 8 | 28 | 1617 | 3021 |
| 523 | Agricultural Chemistry | 3 | 28 | 2876 | 3848 |
| 523 | Palliative Care | 11 | 28 | 451 | 1502 |
| 523 | Forest Ecology | 3 | 28 | 1257 | 1949 |
| 523 | Maternal health services | 6 | 28 | 280 | 883 |
| 523 | actuators | 1 | 28 | 3777 | 3900 |
| 523 | Statistical physics | 1 | 28 | 5663 | 4760 |
| 523 | natural gas | 2 | 28 | 630 | 810 |
| 523 | weather | 3 | 28 | 684 | 1192 |
| 523 | women | 2 | 28 | 1209 | 1030 |
| 523 | transducers | 1 | 28 | 3777 | 3900 |
| 534 | Orthopedics | 2 | 27 | 2355 | 2640 |
| 534 | Engineering Geology | 6 | 27 | 1182 | 2287 |
| 534 | reforestation | 3 | 27 | 172 | 323 |
| 534 | Electrochemical Analysis | 4 | 27 | 1603 | 2503 |
| 534 | family policy | 1 | 27 | 33 | 25 |
| 534 | Vaccination | 1 | 27 | 694 | 705 |
| 534 | afforestation | 3 | 27 | 172 | 323 |
| 541 | Nuclear Physics | 3 | 26 | 4610 | 4915 |
| 541 | animal diseases | 3 | 26 | 549 | 942 |
| 541 | human development | 2 | 26 | 1041 | 1397 |
| 541 | Investments | 3 | 26 | 667 | 919 |
| 545 | Physiology | 3 | 25 | 5202 | 7024 |
| 545 | Orthopedic Surgery | 1 | 25 | 1738 | 1572 |
| 545 | Radiation | 6 | 25 | 2020 | 3476 |
| 545 | Knowledge management | 5 | 25 | 369 | 682 |
| 545 | mass transfer | 1 | 25 | 2880 | 2765 |
| 545 | Reservoirs | 4 | 25 | 156 | 334 |
| 545 | lakes | 4 | 25 | 43 | 157 |
| 552 | Microbial Ecology | 3 | 24 | 2770 | 4711 |
| 552 | genre | 2 | 24 | 334 | 361 |
| 554 | Electrical Engineering | 6 | 23 | 3174 | 4046 |
| 554 | Geriatric Nursing | 2 | 23 | 695 | 730 |
| 554 | Neurochemistry | 1 | 23 | 4120 | 4262 |
| 554 | Econometrics | 3 | 23 | 1604 | 1911 |
| 554 | Comparative Physiology | 2 | 23 | 1162 | 1516 |
| 554 | Clinical Chemistry | 2 | 23 | 4316 | 5385 |
| 554 | Inclusive Education | 3 | 23 | 161 | 354 |
| 554 | Antioxidants | 1 | 23 | 1539 | 1945 |
| 554 | Drug delivery systems | 1 | 23 | 2935 | 3112 |
| 554 | Inflammation | 4 | 23 | 1373 | 2761 |
| 554 | Aquatic ecosystems | 3 | 23 | 177 | 308 |
| 554 | Integration | 3 | 23 | 154 | 349 |
| 554 | Product life cycle | 1 | 23 | 730 | 777 |
| 554 | green products | 1 | 23 | 633 | 745 |
| 554 | Culture | 4 | 23 | 1062 | 1378 |
| 554 | pharmaceutical industry | 4 | 23 | 579 | 1140 |
| 554 | vitamin C | 1 | 23 | 938 | 1161 |
| 554 | vitamin E | 1 | 23 | 938 | 1161 |
| 572 | Statistics | 3 | 22 | 3259 | 3694 |
| 572 | Electronics | 2 | 22 | 4959 | 4791 |
| 572 | Telecommunications | 3 | 22 | 974 | 1287 |
| 572 | Wireless Communication Systems | 5 | 22 | 1933 | 2878 |
| 572 | Chemical industry | 1 | 22 | 2667 | 2274 |
| 577 | Traffic Engineering | 3 | 21 | 476 | 908 |
| 577 | Agroforestry | 3 | 21 | 48 | 113 |
| 577 | Seismology | 2 | 21 | 783 | 928 |
| 577 | Psychiatric Nursing | 2 | 21 | 995 | 1208 |
| 577 | Highway Engineering | 3 | 21 | 468 | 727 |
| 577 | Bioethics | 4 | 21 | 969 | 1504 |
| 577 | Biomarkers | 2 | 21 | 724 | 994 |
| 577 | Food Security | 3 | 21 | 191 | 509 |
| 577 | breastfeeding | 2 | 21 | 805 | 1192 |
| 577 | Edible plants | 1 | 21 | 601 | 704 |
| 577 | Earthquakes | 2 | 21 | 597 | 687 |
| 577 | scholarly publishing | 2 | 21 | 194 | 248 |
| 577 | Mountains | 1 | 21 | 979 | 690 |
| 577 | Behavior | 4 | 21 | 3452 | 6331 |
| 591 | Emergency Nursing | 2 | 20 | 248 | 337 |
| 591 | Marine Geology | 4 | 20 | 601 | 1124 |
| 591 | Systems Biology | 2 | 20 | 2550 | 3234 |
| 591 | General Surgery | 4 | 20 | 765 | 1333 |
| 591 | Environmental Education | 3 | 20 | 410 | 715 |
| 591 | Organizational change | 3 | 20 | 818 | 1317 |
| 591 | Urban Transportation | 10 | 20 | 45 | 317 |
| 591 | bioclimatology | 7 | 20 | 619 | 1933 |
| 591 | Histocompatibility Testing | 1 | 20 | 1290 | 1244 |
| 591 | biobanks | 2 | 20 | 214 | 345 |
| 591 | Cardiovascular diseases | 6 | 20 | 1460 | 2923 |
| 591 | construction projects | 3 | 20 | 2 | 23 |
| 591 | organizational effectiveness | 3 | 20 | 466 | 842 |
| 591 | health services | 3 | 20 | 1337 | 2274 |
| 591 | Detectors | 1 | 20 | 2081 | 1461 |
| 591 | Sleep | 2 | 20 | 2533 | 2899 |
| 607 | Nephrology | 2 | 19 | 880 | 1409 |
| 607 | International Relations | 3 | 19 | 1455 | 1398 |
| 607 | Pharmacogenetics | 1 | 19 | 2193 | 2493 |
| 607 | Remote Sensing | 2 | 19 | 2294 | 2256 |
| 607 | Genetic Research | 1 | 19 | 447 | 420 |
| 607 | Bioremediation | 2 | 19 | 1333 | 2099 |
| 607 | Biodegradation | 2 | 19 | 1139 | 1926 |
| 607 | mediation | 2 | 19 | 110 | 148 |
| 607 | Transnational corporations | 1 | 19 | 782 | 805 |
| 607 | families | 2 | 19 | 1187 | 1390 |
| 607 | Vietnam | 5 | 19 | 98 | 256 |
| 607 | miniaturization | 2 | 19 | 2726 | 3708 |
| 619 | Genetic engineering | 4 | 18 | 2430 | 4518 |
| 619 | Disability Studies | 3 | 18 | 337 | 535 |
| 619 | healthcare disparities | 1 | 18 | 1135 | 1138 |
| 619 | Human evolution | 1 | 18 | 803 | 965 |
| 619 | Food inspection | 1 | 18 | 96 | 76 |
| 619 | community participation | 1 | 18 | 287 | 222 |
| 619 | Faculty | 1 | 18 | 287 | 222 |
| 619 | Nervous system | 3 | 18 | 3122 | 5033 |
| 619 | food quality | 1 | 18 | 96 | 76 |
| 619 | Thyroid hormones | 1 | 18 | 35 | 70 |
| 629 | Marine Biology | 2 | 17 | 3554 | 4588 |
| 629 | Systems Analysis | 1 | 17 | 2255 | 2218 |
| 629 | Behavioral research | 4 | 17 | 431 | 801 |
| 629 | Marine Geophysics | 2 | 17 | 391 | 579 |
| 629 | Marine mineral resources | 2 | 17 | 223 | 301 |
| 629 | government | 1 | 17 | 1420 | 988 |
| 629 | compost | 2 | 17 | 23 | 64 |
| 629 | plant molecular biology | 2 | 17 | 2153 | 3130 |
| 629 | cell interaction | 3 | 17 | 1470 | 2669 |
| 629 | Seabed | 2 | 17 | 223 | 301 |
| 629 | Cell communication | 3 | 17 | 968 | 2016 |
| 629 | drug evaluation | 1 | 17 | 2776 | 3034 |
| 641 | Organizational Sociology | 1 | 16 | 676 | 685 |
| 641 | Analytical Biochemistry | 1 | 16 | 3365 | 3676 |
| 641 | Natural resources | 2 | 16 | 1104 | 1710 |
| 641 | Hydrodynamics | 2 | 16 | 832 | 1306 |
| 641 | Wireless Communication | 1 | 16 | 996 | 929 |
| 641 | Herpetology | 2 | 16 | 541 | 592 |
| 641 | Protective coatings | 1 | 16 | 427 | 294 |
| 641 | Communication | 2 | 16 | 2995 | 3454 |
| 641 | Legislation | 2 | 16 | 14 | 16 |
| 641 | Yeast | 1 | 16 | 921 | 1099 |
| 641 | drugs | 1 | 16 | 4357 | 4624 |
| 641 | Heterocyclic compounds | 1 | 16 | 1923 | 1697 |
| 641 | venom | 2 | 16 | 1315 | 1830 |
| 641 | Toxins | 2 | 16 | 1454 | 1992 |
| 641 | Liver diseases | 2 | 16 | 2120 | 3192 |
| 656 | Special Education | 3 | 15 | 905 | 1284 |
| 656 | Plant Biotechnology | 2 | 15 | 1223 | 1803 |
| 656 | Dialysis | 1 | 15 | 334 | 216 |
| 656 | Kidney transplantation | 1 | 15 | 185 | 174 |
| 656 | technology transfer | 2 | 15 | 403 | 776 |
| 656 | peer review | 1 | 15 | 205 | 147 |
| 656 | starch | 2 | 15 | 581 | 883 |
| 656 | Great Lakes | 1 | 15 | 467 | 574 |
| 656 | probabilities | 5 | 15 | 1216 | 1763 |
| 656 | concrete | 1 | 15 | 1810 | 2080 |
| 656 | coal | 2 | 15 | 2243 | 3445 |
| 656 | freshwater biology | 2 | 15 | 1392 | 1984 |
| 656 | mathematical analysis | 3 | 15 | 2823 | 3170 |
| 669 | Chemical Ecology | 1 | 14 | 1024 | 1364 |
| 669 | Pharmaceutical Technology | 1 | 14 | 2840 | 3272 |
| 669 | Sociolinguistics | 1 | 14 | 844 | 785 |
| 669 | Operations Research | 2 | 14 | 3027 | 3648 |
| 669 | Restoration Ecology | 1 | 14 | 963 | 1092 |
| 669 | housing policy | 1 | 14 | 269 | 276 |
| 669 | Language Policy | 1 | 14 | 242 | 307 |
| 669 | Technology Assessment | 2 | 14 | 528 | 1207 |
| 669 | Semiconductors | 1 | 14 | 3674 | 3607 |
| 669 | Quantum Gravity | 2 | 14 | 2421 | 2777 |
| 669 | Molecular Spectroscopy | 1 | 14 | 3217 | 3595 |
| 669 | foreign exchange | 1 | 14 | 715 | 837 |
| 669 | Language planning | 1 | 14 | 366 | 245 |
| 669 | Consumer education | 1 | 14 | 751 | 1017 |
| 669 | Library Science | 9 | 14 | 743 | 1715 |
| 669 | pheromones | 1 | 14 | 957 | 1304 |
| 669 | organization | 3 | 14 | 876 | 1620 |
| 669 | Spectrum analysis | 1 | 14 | 6917 | 7223 |
| 687 | Environmental Law | 1 | 13 | 2268 | 2925 |
| 687 | Islamic Architecture | 1 | 13 | 300 | 224 |
| 687 | Green Technology | 2 | 13 | 716 | 1221 |
| 687 | Drug design | 3 | 13 | 2226 | 3839 |
| 687 | cell adhesion molecules | 2 | 13 | 800 | 1569 |
| 687 | Biometrics | 1 | 13 | 2079 | 2171 |
| 687 | peptides | 1 | 13 | 1931 | 2054 |
| 687 | proteins | 1 | 13 | 3989 | 4315 |
| 695 | Nuclear Engineering | 1 | 12 | 2369 | 2084 |
| 695 | Nuclear Energy | 1 | 12 | 2265 | 1905 |
| 695 | Intelligent Transportation Systems | 1 | 12 | 1446 | 1547 |
| 695 | Combinatorial chemistry | 1 | 12 | 1797 | 2287 |
| 695 | Diagnosis | 2 | 12 | 983 | 1574 |
| 695 | Learning disabilities | 4 | 12 | 771 | 1710 |
| 695 | Smoking | 2 | 12 | 1082 | 1947 |
| 695 | older people | 6 | 12 | 1390 | 2877 |
| 695 | nuclear power | 1 | 12 | 1067 | 838 |
| 695 | construction contracts | 3 | 12 | 43 | 62 |
| 695 | disease susceptibility | 2 | 12 | 554 | 1092 |
| 695 | Human Resources | 1 | 12 | 888 | 1268 |
| 695 | symptoms | 2 | 12 | 554 | 1092 |
| 708 | Arts | 7 | 11 | 306 | 509 |
| 708 | Soil Mechanics | 3 | 11 | 1364 | 2149 |
| 708 | Landscape Ecology | 1 | 11 | 979 | 1307 |
| 708 | Medical Oncology | 3 | 11 | 2524 | 4085 |
| 708 | Sleep Disorders | 1 | 11 | 3212 | 3320 |
| 708 | Health equity | 1 | 11 | 169 | 176 |
| 708 | Bacteriology | 1 | 11 | 3546 | 4480 |
| 708 | Disability Law | 2 | 11 | 247 | 454 |
| 708 | Forest Management | 2 | 11 | 1474 | 2321 |
| 708 | animals | 2 | 11 | 1940 | 2613 |
| 708 | Condensed Matter | 1 | 11 | 5111 | 5175 |
| 708 | livestock | 6 | 11 | 461 | 1123 |
| 708 | population geography | 1 | 11 | 837 | 914 |
| 708 | carbonate rocks | 2 | 11 | 218 | 303 |
| 722 | Mechanical Engineering | 2 | 10 | 3646 | 4201 |
| 722 | Neuropsychology | 1 | 10 | 4162 | 4854 |
| 722 | Clinical Trials | 1 | 10 | 1343 | 1619 |
| 722 | Political Geography | 1 | 10 | 566 | 673 |
| 722 | Sustainable Engineering | 2 | 10 | 2394 | 3571 |
| 722 | Agricultural Biotechnology | 1 | 10 | 720 | 540 |
| 722 | Geopolitics | 1 | 10 | 616 | 651 |
| 722 | environmental indicators | 1 | 10 | 2151 | 2912 |
| 722 | Herbal medicine | 2 | 10 | 1059 | 2159 |
| 722 | cooperation | 2 | 10 | 207 | 331 |
| 722 | Happiness | 1 | 10 | 979 | 1266 |
| 722 | Child Development | 3 | 10 | 2405 | 4310 |
| 722 | Industrial Policy | 2 | 10 | 733 | 1166 |
| 722 | risk factors | 2 | 10 | 1104 | 1769 |
| 722 | Transgenic plants | 1 | 10 | 1061 | 1495 |
| 722 | wind erosion | 1 | 10 | 268 | 458 |
| 722 | libraries | 3 | 10 | 892 | 1085 |
| 722 | Cerebral cortex | 1 | 10 | 1624 | 2153 |
| 722 | Psychophysiology | 1 | 10 | 4897 | 5752 |
| 741 | Anatomy | 2 | 9 | 2926 | 4207 |
| 741 | Public Relations | 4 | 9 | 433 | 1073 |
| 741 | Medical Sociology | 1 | 9 | 120 | 225 |
| 741 | Environmental Geography | 1 | 9 | 118 | 119 |
| 741 | Morphology | 2 | 9 | 1263 | 1760 |
| 741 | Physical Chemistry | 2 | 9 | 3215 | 4539 |
| 741 | Solar power plants | 1 | 9 | 459 | 766 |
| 741 | Photochemistry | 2 | 9 | 2670 | 4138 |
| 741 | Cross-Cultural Studies | 1 | 9 | 1481 | 1772 |
| 741 | Photovoltaic Cells | 1 | 9 | 462 | 767 |
| 741 | Photobiology | 2 | 9 | 2145 | 3376 |
| 741 | Communication in marketing | 1 | 9 | 368 | 549 |
| 741 | Latin America | 2 | 9 | 1922 | 1926 |
| 741 | Migration | 1 | 9 | 460 | 504 |
| 741 | cross-cultural comparison | 1 | 9 | 1179 | 1461 |
| 741 | solar cells | 1 | 9 | 1767 | 2382 |
| 741 | Cellulose | 1 | 9 | 1382 | 1794 |
| 741 | cultural pluralism | 2 | 9 | 549 | 901 |
| 741 | drug abuse | 1 | 9 | 1386 | 1712 |
| 741 | plant communities | 2 | 9 | 1490 | 2557 |
| 741 | harm reduction | 1 | 9 | 504 | 626 |
| 741 | Gastrointestinal diseases | 1 | 9 | 1564 | 1924 |
| 763 | Audiology | 2 | 8 | 1141 | 1810 |
| 763 | Linguistics | 3 | 8 | 1832 | 2433 |
| 763 | Data Mining | 4 | 8 | 1878 | 4208 |
| 763 | Information Systems | 2 | 8 | 2225 | 3759 |
| 763 | Developmental Psychology | 2 | 8 | 1409 | 2409 |
| 763 | Mining Geology | 2 | 8 | 125 | 257 |
| 763 | Microfinance | 1 | 8 | 88 | 47 |
| 763 | industrial hygiene | 1 | 8 | 2638 | 2641 |
| 763 | epidemiologic methods | 3 | 8 | 180 | 562 |
| 763 | Anti-inflammatory agents | 1 | 8 | 624 | 852 |
| 763 | Integrated Circuits | 3 | 8 | 952 | 1384 |
| 763 | Fracture mechanics | 1 | 8 | 2478 | 2930 |
| 763 | Quality Assurance | 1 | 8 | 980 | 1243 |
| 763 | Molecular cloning | 3 | 8 | 1851 | 3633 |
| 763 | Multilingualism | 1 | 8 | 591 | 731 |
| 763 | Genetic recombination | 3 | 8 | 1825 | 3591 |
| 763 | Chromosome mapping | 2 | 8 | 2882 | 4732 |
| 763 | bats | 2 | 8 | 185 | 426 |
| 763 | food service | 2 | 8 | 139 | 247 |
| 763 | Arts education | 2 | 8 | 7 | 9 |
| 763 | Prisons | 1 | 8 | 630 | 724 |
| 763 | Recombinant DNA | 3 | 8 | 1961 | 3805 |
| 763 | computer networks | 4 | 8 | 2584 | 4645 |
| 786 | Gender Studies | 2 | 7 | 697 | 1287 |
| 786 | Automation | 1 | 7 | 3347 | 3856 |
| 786 | Rock Mechanics | 2 | 7 | 1328 | 1945 |
| 786 | Earthquake Engineering | 3 | 7 | 1454 | 2632 |
| 786 | Optical Communications | 1 | 7 | 1275 | 1469 |
| 786 | Urban Geography | 2 | 7 | 313 | 631 |
| 786 | Nuclear Chemistry | 1 | 7 | 2164 | 2384 |
| 786 | Radiochemistry | 1 | 7 | 2081 | 2232 |
| 786 | epilepsy | 1 | 7 | 1962 | 2600 |
| 786 | hospice care | 3 | 7 | 679 | 1699 |
| 786 | Feminism | 2 | 7 | 826 | 1213 |
| 786 | adolescence | 6 | 7 | 689 | 2289 |
| 786 | Adolescent Psychology | 6 | 7 | 641 | 2153 |
| 786 | Geriatric Oncology | 1 | 7 | 1283 | 1809 |
| 786 | Real Estate Investment | 1 | 7 | 329 | 447 |
| 786 | Nanoparticles | 1 | 7 | 3389 | 4152 |
| 786 | Cosmochemistry | 2 | 7 | 1316 | 2274 |
| 786 | Transport | 1 | 7 | 1246 | 1737 |
| 786 | Communication in medicine | 1 | 7 | 1085 | 1522 |
| 786 | Sea | 1 | 7 | 1117 | 1524 |
| 786 | forestry | 2 | 7 | 359 | 762 |
| 786 | Fishery resources | 1 | 7 | 1258 | 1690 |
| 786 | aquatic insects | 2 | 7 | 139 | 223 |
| 786 | Roads | 2 | 7 | 1055 | 1552 |
| 786 | herbs | 1 | 7 | 211 | 297 |
| 786 | liver | 1 | 7 | 743 | 1002 |
| 786 | mathematical concepts | 1 | 7 | 904 | 1108 |
| 786 | language | 1 | 7 | 1486 | 1715 |
| 814 | Agricultural Engineering | 1 | 6 | 1112 | 1472 |
| 814 | Architecture | 1 | 6 | 1394 | 1192 |
| 814 | Geometry | 1 | 6 | 2119 | 1974 |
| 814 | Theology | 1 | 6 | 1662 | 754 |
| 814 | Psychoneuroimmunology | 1 | 6 | 1345 | 1912 |
| 814 | Fluid Dynamics | 2 | 6 | 1715 | 2717 |
| 814 | Dynamics | 3 | 6 | 2329 | 3781 |
| 814 | Heterocyclic chemistry | 2 | 6 | 849 | 1384 |
| 814 | Sustainable urban development | 1 | 6 | 162 | 261 |
| 814 | Change management | 1 | 6 | 269 | 382 |
| 814 | Neuroimmunology | 1 | 6 | 1495 | 2105 |
| 814 | Wetland ecology | 2 | 6 | 705 | 1445 |
| 814 | Marriage | 1 | 6 | 1044 | 1494 |
| 814 | Smart Cities | 1 | 6 | 41 | 73 |
| 814 | hazard mitigation | 2 | 6 | 1490 | 2730 |
| 814 | ports | 1 | 6 | 582 | 869 |
| 814 | Minority Health | 1 | 6 | 214 | 240 |
| 814 | paraphilias | 1 | 6 | 390 | 644 |
| 814 | corporate culture | 1 | 6 | 429 | 695 |
| 814 | psychotherapy | 1 | 6 | 2559 | 3100 |
| 814 | atmospheric models | 1 | 6 | 1227 | 1676 |
| 814 | Shipping | 3 | 6 | 80 | 251 |
| 814 | educational planning | 3 | 6 | 446 | 1166 |
| 814 | Marriage counseling | 1 | 6 | 631 | 932 |
| 814 | wetland management | 2 | 6 | 262 | 770 |
| 839 | Applied Linguistics | 1 | 5 | 1202 | 1277 |
| 839 | Mineralogy | 1 | 5 | 2495 | 2948 |
| 839 | Production Engineering | 2 | 5 | 2845 | 4217 |
| 839 | Probability | 2 | 5 | 928 | 1763 |
| 839 | Evolutionary Genetics | 1 | 5 | 1561 | 2369 |
| 839 | Petrology | 1 | 5 | 1486 | 1865 |
| 839 | Molecular Epidemiology | 1 | 5 | 1561 | 2369 |
| 839 | Social Networks | 1 | 5 | 790 | 1125 |
| 839 | emergency management | 3 | 5 | 1045 | 2796 |
| 839 | Total Quality Management | 1 | 5 | 1211 | 1789 |
| 839 | Ethnic relations | 1 | 5 | 1201 | 1312 |
| 839 | Religion | 3 | 5 | 1297 | 1493 |
| 839 | Ethnic Conflict | 1 | 5 | 523 | 775 |
| 839 | Food service management | 1 | 5 | 768 | 1252 |
| 839 | Online social networks | 1 | 5 | 781 | 1124 |
| 839 | Biosecurity | 1 | 5 | 13 | 44 |
| 839 | Urbanization | 1 | 5 | 638 | 821 |
| 839 | Financial management | 2 | 5 | 767 | 1714 |
| 839 | Risk | 2 | 5 | 866 | 1752 |
| 839 | Cyberterrorism | 1 | 5 | 144 | 356 |
| 839 | forced migration | 1 | 5 | 523 | 775 |
| 839 | Ventilation | 1 | 5 | 1191 | 1793 |
| 839 | Youth | 5 | 5 | 547 | 1745 |
| 839 | biological agents | 2 | 5 | 1052 | 1448 |
| 839 | race relations | 1 | 5 | 1046 | 1296 |
| 839 | Mollusks | 1 | 5 | 555 | 686 |
| 865 | Criminology | 2 | 4 | 1242 | 2000 |
| 865 | Criminal Law | 1 | 4 | 550 | 660 |
| 865 | Physical Geography | 2 | 4 | 875 | 1570 |
| 865 | Fluid Mechanics | 2 | 4 | 2428 | 3857 |
| 865 | Freshwater Ecology | 1 | 4 | 635 | 971 |
| 865 | Higher Education | 1 | 4 | 1180 | 1518 |
| 865 | Ceramics | 1 | 4 | 2896 | 3423 |
| 865 | Signal Transduction | 1 | 4 | 2673 | 3725 |
| 865 | Radiation Protection | 4 | 4 | 746 | 1817 |
| 865 | radiation monitoring | 4 | 4 | 640 | 1696 |
| 865 | Patient Safety | 1 | 4 | 217 | 363 |
| 865 | Ocean Engineering | 2 | 4 | 2274 | 3614 |
| 865 | Holistic Health | 3 | 4 | 543 | 1681 |
| 865 | Calorimetry | 1 | 4 | 2341 | 2946 |
| 865 | Emulsions | 1 | 4 | 867 | 1290 |
| 865 | curriculum evaluation | 1 | 4 | 712 | 1072 |
| 865 | Fossil fuels | 2 | 4 | 120 | 234 |
| 865 | aromatic plants | 1 | 4 | 534 | 824 |
| 865 | Aquatic animals | 1 | 4 | 459 | 787 |
| 865 | human migration | 1 | 4 | 98 | 129 |
| 865 | Refractory materials | 1 | 4 | 295 | 321 |
| 865 | Evolution | 1 | 4 | 3549 | 4751 |
| 865 | kidney | 1 | 4 | 183 | 272 |
| 865 | Animal | 1 | 4 | 410 | 733 |
| 865 | Thermal analysis | 1 | 4 | 2341 | 2946 |
| 865 | Genes | 1 | 4 | 2304 | 3258 |
| 891 | Information Theory | 1 | 3 | 2279 | 2791 |
| 891 | Rheumatology | 1 | 3 | 2406 | 3177 |
| 891 | Neurosurgery | 1 | 3 | 2295 | 2944 |
| 891 | Manufacturing Processes | 1 | 3 | 4022 | 4990 |
| 891 | Product Design | 1 | 3 | 1037 | 1455 |
| 891 | Petroleum Geology | 2 | 3 | 747 | 1366 |
| 891 | Immunohematology | 2 | 3 | 191 | 400 |
| 891 | Information visualization | 1 | 3 | 466 | 727 |
| 891 | cultural policy | 1 | 3 | 444 | 633 |
| 891 | Microwave circuits | 1 | 3 | 333 | 496 |
| 891 | population health | 1 | 3 | 12 | 35 |
| 891 | Ceramic materials | 2 | 3 | 1976 | 3330 |
| 891 | Religion and Sociology | 1 | 3 | 607 | 632 |
| 891 | Fixed Point Theory | 1 | 3 | 713 | 828 |
| 891 | Blood group antigens | 2 | 3 | 130 | 286 |
| 891 | Freezing | 2 | 3 | 550 | 1061 |
| 891 | Family Therapy | 1 | 3 | 1416 | 2026 |
| 891 | child mental health | 1 | 3 | 912 | 1422 |
| 891 | Mortgages | 1 | 3 | 427 | 678 |
| 891 | data collection | 3 | 3 | 1511 | 3513 |
| 891 | Catholicism | 1 | 3 | 176 | 138 |
| 891 | International Business | 1 | 3 | 474 | 827 |
| 891 | Auditing | 1 | 3 | 696 | 931 |
| 891 | Geospatial data | 1 | 3 | 82 | 255 |
| 891 | healthcare industry | 1 | 3 | 123 | 309 |
| 891 | African diaspora | 1 | 3 | 147 | 178 |
| 891 | Radiation dosimetry | 3 | 3 | 593 | 1479 |
| 891 | deviant behavior | 1 | 3 | 566 | 796 |
| 891 | Radio frequency | 1 | 3 | 754 | 1104 |
| 920 | Cultural Studies | 1 | 2 | 377 | 720 |
| 920 | Structural optimization | 1 | 2 | 746 | 1199 |
| 920 | Hydrogeology | 1 | 2 | 1441 | 2075 |
| 920 | Oral Medicine | 1 | 2 | 1423 | 1850 |
| 920 | Educational Research | 1 | 2 | 240 | 479 |
| 920 | Sports Medicine | 1 | 2 | 4635 | 5404 |
| 920 | Metallurgy | 3 | 2 | 3092 | 5348 |
| 920 | Aesthetics | 1 | 2 | 465 | 400 |
| 920 | Differential Equations | 1 | 2 | 1742 | 2104 |
| 920 | Political Ecology | 1 | 2 | 207 | 318 |
| 920 | Computer-Aided Design | 4 | 2 | 1296 | 3418 |
| 920 | Nationalism | 1 | 2 | 696 | 996 |
| 920 | Politics | 1 | 2 | 1356 | 1349 |
| 920 | Simulation Methods | 1 | 2 | 2132 | 3086 |
| 920 | Crisis management | 1 | 2 | 419 | 727 |
| 920 | Developmental Neurobiology | 2 | 2 | 877 | 1754 |
| 920 | Religion and Culture | 1 | 2 | 712 | 1002 |
| 920 | Interdisciplinary Research | 1 | 2 | 55 | 54 |
| 920 | Religion and Psychology | 1 | 2 | 1200 | 1850 |
| 920 | Art and Design | 4 | 2 | 10 | 164 |
| 920 | Geodynamics | 1 | 2 | 1476 | 2020 |
| 920 | Environmental risk assessment | 1 | 2 | 999 | 1734 |
| 920 | Optical materials | 1 | 2 | 4070 | 5378 |
| 920 | society | 1 | 2 | 210 | 408 |
| 920 | Alloys | 1 | 2 | 670 | 980 |
| 920 | Visual arts education | 1 | 2 | 54 | 55 |
| 920 | cardiac catheterization | 1 | 2 | 1533 | 2055 |
| 920 | Neurodevelopmental disorders | 2 | 2 | 77 | 227 |
| 920 | cryosphere | 1 | 2 | 754 | 1176 |
| 920 | violence | 1 | 2 | 1821 | 2823 |
| 920 | sex crimes | 1 | 2 | 1191 | 1926 |
| 920 | educational innovations | 3 | 2 | 589 | 1592 |
| 920 | Venezuela | 1 | 2 | 316 | 275 |
| 920 | Textile industry | 1 | 2 | 1240 | 1605 |
| 954 | Systems Engineering | 2 | 1 | 3249 | 5394 |
| 954 | Computer Engineering | 2 | 1 | 1314 | 2838 |
| 954 | Cognitive Psychology | 1 | 1 | 853 | 1272 |
| 954 | Algebra | 1 | 1 | 2440 | 2811 |
| 954 | Energy Storage | 1 | 1 | 2329 | 3085 |
| 954 | Numerical Analysis | 2 | 1 | 3267 | 5151 |
| 954 | Financial Engineering | 1 | 1 | 542 | 1082 |
| 954 | Quantum electronics | 1 | 1 | 2174 | 2852 |
| 954 | Organizational learning | 3 | 1 | 546 | 2054 |
| 954 | Cultural diversity | 1 | 1 | 323 | 641 |
| 954 | sanitation | 1 | 1 | 2882 | 4219 |
| 954 | Photogrammetry | 1 | 1 | 1890 | 2368 |
| 954 | Arboriculture | 1 | 1 | 142 | 230 |
| 954 | Corporate Social Responsibility | 2 | 1 | 437 | 1263 |
| 954 | Pest control | 1 | 1 | 374 | 711 |
| 954 | Human Capital | 1 | 1 | 600 | 1064 |
| 954 | environmental auditing | 2 | 1 | 457 | 1285 |
| 954 | Plant physiology | 1 | 1 | 3527 | 4861 |
| 954 | Health insurance | 1 | 1 | 1029 | 1809 |
| 954 | Mycology | 1 | 1 | 2969 | 4172 |
| 954 | Computational Complexity | 2 | 1 | 1628 | 3071 |
| 954 | Pesticides | 1 | 1 | 1478 | 2348 |
| 954 | Educational Innovation | 1 | 1 | 175 | 329 |
| 954 | Eastern Europe | 2 | 1 | 1544 | 2718 |
| 954 | counseling | 1 | 1 | 2677 | 4048 |
| 954 | irrigation | 1 | 1 | 900 | 1443 |
| 954 | Bible | 1 | 1 | 588 | 452 |
| 954 | Learning | 1 | 1 | 2592 | 3924 |
| 954 | drainage | 1 | 1 | 844 | 1306 |
| 954 | grief | 1 | 1 | 191 | 315 |
| 954 | internet | 1 | 1 | 2475 | 3734 |
| 954 | Archives | 1 | 1 | 310 | 324 |
| 954 | mortality | 1 | 1 | 188 | 365 |
| 954 | pain | 1 | 1 | 2788 | 3877 |
| 954 | death | 1 | 1 | 718 | 1323 |
| 954 | lasers | 1 | 1 | 3544 | 4493 |
| 954 | Acarology | 1 | 1 | 660 | 1147 |
| 954 | Argentina | 1 | 1 | 447 | 478 |
| 954 | Economic planning | 1 | 1 | 1046 | 1750 |
| 954 | Mites | 1 | 1 | 913 | 1427 |
| 954 | Ticks | 1 | 1 | 713 | 1201 |
| 954 | Acari | 1 | 1 | 628 | 1124 |
| 954 | silicon | 1 | 1 | 914 | 1488 |
| 954 | Bereavement | 1 | 1 | 450 | 823 |
| 954 | packaging | 1 | 1 | 343 | 689 |
| 999 | Literature | 1 | 0 | 1710 | 1581 |
| 999 | Radiology | 1 | 0 | 3236 | 4616 |