| 1 | Chemistry | 411 | 7.9K | 899 | 1412 |
| 2 | Chemical Engineering | 191 | 6.4K | 514 | 575 |
| 3 | Biotechnology | 159 | 5.4K | 654 | 877 |
| 4 | Biochemistry | 206 | 5.2K | 1319 | 1560 |
| 5 | Molecular Biology | 188 | 5.2K | 1061 | 1481 |
| 6 | Medicine | 130 | 4.7K | 1700 | 1787 |
| 7 | Biomedical Engineering | 132 | 4.5K | 593 | 567 |
| 8 | Physics | 294 | 4.2K | 1092 | 2476 |
| 9 | Catalysis | 103 | 3.9K | 682 | 711 |
| 10 | Renewable Energy Sources | 59 | 3.6K | 364 | 415 |
| 11 | Electrochemistry | 104 | 3.5K | 714 | 518 |
| 12 | Nuclear Physics | 178 | 3.3K | 724 | 839 |
| 13 | Bioengineering | 85 | 3.0K | 671 | 898 |
| 14 | Biochemical Engineering | 54 | 3.0K | 730 | 835 |
| 15 | Biology | 67 | 2.9K | 2242 | 2806 |
| 16 | Analytical Chemistry | 94 | 2.8K | 793 | 808 |
| 17 | Electrical Engineering | 95 | 2.6K | 505 | 258 |
| 18 | Microbiology | 82 | 2.6K | 1371 | 1656 |
| 19 | Statistical physics | 96 | 2.4K | 616 | 626 |
| 20 | Research | 108 | 2.3K | 1522 | 1987 |
| 21 | Science | 123 | 2.2K | 1707 | 3388 |
| 22 | Energy Policy | 39 | 2.2K | 598 | 514 |
| 23 | Polymers | 114 | 2.1K | 793 | 968 |
| 24 | actuators | 30 | 2.1K | 626 | 339 |
| 24 | transducers | 30 | 2.1K | 626 | 339 |
| 26 | Colloids | 55 | 2.0K | 961 | 927 |
| 27 | Spectrum analysis | 59 | 1.9K | 1060 | 1042 |
| 28 | Cell Biology | 43 | 1.9K | 1174 | 1425 |
| 29 | Nanotechnology | 87 | 1.9K | 1036 | 1389 |
| 30 | Materials Science | 56 | 1.9K | 1221 | 1221 |
| 31 | Surface Chemistry | 55 | 1.8K | 953 | 913 |
| 32 | Biocompatible Materials | 50 | 1.8K | 1017 | 1173 |
| 33 | Molecular Spectroscopy | 50 | 1.8K | 229 | 122 |
| 34 | Mathematics | 182 | 1.7K | 768 | 921 |
| 35 | Biosensors | 22 | 1.6K | 364 | 286 |
| 36 | Bioelectronics | 21 | 1.6K | 306 | 251 |
| 37 | Ecology | 43 | 1.6K | 1846 | 2061 |
| 38 | Pollution | 56 | 1.5K | 1301 | 1802 |
| 39 | environmental protection | 61 | 1.5K | 513 | 769 |
| 40 | Composite Materials | 33 | 1.5K | 807 | 743 |
| 41 | Statistics | 119 | 1.5K | 291 | 496 |
| 42 | Organic Chemistry | 67 | 1.5K | 647 | 788 |
| 43 | Environmental Health | 58 | 1.4K | 1156 | 1527 |
| 44 | Optics | 158 | 1.4K | 603 | 937 |
| 45 | Technology | 47 | 1.4K | 929 | 803 |
| 46 | Biophysics | 63 | 1.4K | 1456 | 1733 |
| 47 | environmental pollution | 34 | 1.4K | 1371 | 1358 |
| 48 | energy conservation | 40 | 1.3K | 372 | 572 |
| 49 | Physiology | 46 | 1.3K | 1082 | 1244 |
| 50 | Genetic engineering | 40 | 1.3K | 425 | 575 |
| 51 | Water | 24 | 1.2K | 885 | 853 |
| 52 | Molecular cloning | 40 | 1.2K | 197 | 232 |
| 53 | Solid State Physics | 65 | 1.2K | 1007 | 1101 |
| 54 | Nuclear Engineering | 81 | 1.2K | 254 | 239 |
| 55 | Signal Processing | 54 | 1.2K | 555 | 706 |
| 56 | Recombinant DNA | 40 | 1.2K | 224 | 267 |
| 57 | Materials | 61 | 1.2K | 1718 | 2044 |
| 58 | Nuclear Energy | 78 | 1.2K | 140 | 133 |
| 59 | Genetic recombination | 39 | 1.2K | 195 | 238 |
| 60 | Organometallic chemistry | 55 | 1.2K | 208 | 166 |
| 61 | Cytology | 39 | 1.2K | 1330 | 1826 |
| 62 | Botany | 39 | 1.1K | 1158 | 1297 |
| 63 | Environmental monitoring | 31 | 1.1K | 1169 | 1267 |
| 64 | Pharmacology | 53 | 1.1K | 1434 | 1811 |
| 65 | Environment | 26 | 1.1K | 1803 | 2198 |
| 66 | Earth Sciences | 83 | 1.1K | 463 | 881 |
| 67 | Neurology | 50 | 1.1K | 1444 | 1996 |
| 68 | Condensed Matter | 47 | 1.0K | 995 | 1095 |
| 69 | polymerization | 70 | 1.0K | 880 | 1203 |
| 70 | Environmental Engineering | 59 | 1.0K | 671 | 1200 |
| 71 | city planning | 13 | 1.0K | 663 | 279 |
| 72 | Engineering | 51 | 1.0K | 888 | 891 |
| 72 | Nutrition | 45 | 1.0K | 1020 | 1382 |
| 74 | Sports Medicine | 43 | 1.0K | 550 | 594 |
| 75 | mass transfer | 26 | 1.0K | 537 | 450 |
| 76 | Plant physiology | 25 | 999 | 718 | 757 |
| 77 | Building Materials | 23 | 983 | 585 | 592 |
| 78 | Water pollution | 19 | 974 | 1149 | 975 |
| 79 | Pharmaceutical Chemistry | 33 | 958 | 1253 | 1383 |
| 80 | Engineering Geology | 32 | 933 | 316 | 334 |
| 81 | Drug delivery systems | 35 | 920 | 263 | 483 |
| 82 | Geodesy | 18 | 917 | 160 | 67 |
| 83 | Artificial Intelligence | 67 | 916 | 644 | 1136 |
| 84 | Bioenergetics | 19 | 883 | 224 | 209 |
| 85 | Urban Policy | 9 | 827 | 385 | 131 |
| 86 | Mathematical Physics | 40 | 820 | 746 | 714 |
| 87 | Nanostructured Materials | 36 | 819 | 970 | 1186 |
| 88 | System analysis | 34 | 791 | 540 | 584 |
| 89 | Geology | 66 | 785 | 669 | 1002 |
| 90 | Geophysics | 36 | 770 | 1175 | 1377 |
| 91 | computer networks | 50 | 768 | 457 | 731 |
| 92 | synthesis | 39 | 751 | 102 | 64 |
| 93 | Fracture mechanics | 20 | 749 | 555 | 381 |
| 94 | Environmental Management | 25 | 741 | 948 | 1236 |
| 95 | Heat Exchangers | 25 | 734 | 291 | 358 |
| 96 | Business | 5 | 722 | 1650 | 826 |
| 97 | Operations Research | 38 | 718 | 517 | 668 |
| 98 | Food | 22 | 717 | 1093 | 1121 |
| 99 | Oncology | 24 | 710 | 762 | 1385 |
| 100 | Neurophysiology | 23 | 703 | 1100 | 1292 |
| 101 | Power Electronics | 23 | 702 | 343 | 441 |
| 102 | Algebra | 101 | 694 | 88 | 157 |
| 103 | Toxicology | 28 | 691 | 1689 | 1968 |
| 104 | Structural Engineering | 35 | 687 | 394 | 475 |
| 105 | Nervous system | 24 | 685 | 861 | 1109 |
| 106 | Chemical processes | 20 | 682 | 126 | 77 |
| 107 | Tourism | 16 | 676 | 557 | 560 |
| 108 | Behavior | 24 | 664 | 1080 | 1428 |
| 109 | Ultrasonics | 18 | 662 | 381 | 367 |
| 110 | Marine Biology | 12 | 658 | 1348 | 953 |
| 111 | nuclear power | 35 | 655 | 101 | 64 |
| 112 | Electrochemical Analysis | 31 | 652 | 352 | 418 |
| 113 | Diet | 21 | 640 | 718 | 961 |
| 113 | Asia | 21 | 640 | 906 | 513 |
| 115 | coal | 18 | 635 | 621 | 670 |
| 116 | Photochemistry | 16 | 627 | 621 | 501 |
| 116 | Photobiology | 16 | 627 | 402 | 309 |
| 118 | Bioorganic chemistry | 20 | 615 | 1225 | 1214 |
| 119 | Telecommunication | 31 | 609 | 806 | 967 |
| 120 | Fuzzy systems | 26 | 604 | 309 | 215 |
| 121 | biological factors | 22 | 603 | 579 | 624 |
| 122 | Organometallic compounds | 37 | 602 | 209 | 365 |
| 123 | Molecules | 61 | 596 | 210 | 460 |
| 124 | Environmental Policy | 20 | 594 | 1202 | 1577 |
| 125 | Plastics | 21 | 586 | 540 | 423 |
| 126 | Sonochemistry | 16 | 584 | 119 | 194 |
| 127 | United States | 27 | 569 | 1664 | 1778 |
| 128 | cell physiology | 9 | 550 | 896 | 833 |
| 129 | Cancer | 26 | 549 | 1320 | 1902 |
| 130 | proteins | 13 | 543 | 1039 | 827 |
| 131 | Rock Mechanics | 11 | 541 | 441 | 360 |
| 132 | Measurement | 25 | 532 | 300 | 313 |
| 133 | Sports | 21 | 530 | 699 | 672 |
| 134 | Mechanical Engineering | 35 | 527 | 665 | 665 |
| 135 | Marine Pollution | 9 | 521 | 682 | 512 |
| 136 | Calorimetry | 21 | 513 | 250 | 187 |
| 136 | Thermal analysis | 21 | 513 | 250 | 187 |
| 138 | Automation | 21 | 510 | 836 | 1027 |
| 138 | Green Chemistry | 10 | 510 | 1011 | 939 |
| 140 | Information Theory | 28 | 507 | 362 | 500 |
| 141 | Numerical Analysis | 21 | 505 | 812 | 612 |
| 142 | Environmental Chemistry | 14 | 504 | 929 | 1127 |
| 143 | Surface-Active Agents | 13 | 502 | 381 | 397 |
| 143 | Surface properties | 13 | 502 | 420 | 448 |
| 145 | Molecular structure | 40 | 501 | 441 | 926 |
| 146 | Electronics | 37 | 498 | 1086 | 1409 |
| 146 | Sustainable Engineering | 14 | 498 | 712 | 735 |
| 146 | enzymes | 14 | 498 | 666 | 641 |
| 149 | Genetics | 24 | 489 | 1438 | 2315 |
| 150 | Total Quality Management | 21 | 487 | 44 | 57 |
| 151 | Industrial Engineering | 30 | 486 | 440 | 682 |
| 151 | Biomass Energy | 20 | 486 | 895 | 1294 |
| 153 | Pharmaceutical Technology | 16 | 478 | 593 | 600 |
| 154 | Physical Therapy | 6 | 476 | 928 | 583 |
| 154 | Plant diseases | 20 | 476 | 757 | 748 |
| 156 | Information Technology | 26 | 473 | 601 | 897 |
| 157 | Water quality management | 14 | 467 | 782 | 575 |
| 157 | Nanostructures | 21 | 467 | 634 | 976 |
| 159 | human behavior | 21 | 464 | 806 | 1415 |
| 160 | Clinical Chemistry | 16 | 463 | 1360 | 1505 |
| 161 | probabilities | 24 | 452 | 392 | 284 |
| 162 | electric vehicles | 5 | 441 | 228 | 93 |
| 163 | innovation | 14 | 438 | 162 | 373 |
| 164 | Enzyme | 8 | 434 | 227 | 184 |
| 165 | Analytical Biochemistry | 17 | 428 | 642 | 720 |
| 166 | plant molecular biology | 4 | 427 | 1337 | 983 |
| 166 | Information Science | 26 | 427 | 692 | 1096 |
| 168 | marketing | 9 | 413 | 1061 | 889 |
| 169 | Biomechanics | 9 | 410 | 727 | 605 |
| 169 | mathematical analysis | 45 | 410 | 569 | 704 |
| 171 | Radiation | 31 | 409 | 549 | 790 |
| 171 | Plants | 17 | 409 | 857 | 1112 |
| 173 | Psychophysiology | 18 | 407 | 1186 | 1548 |
| 174 | Industrial Safety | 19 | 404 | 303 | 384 |
| 175 | Exercise | 22 | 403 | 375 | 482 |
| 176 | Solar Energy | 18 | 391 | 605 | 937 |
| 177 | Aging | 13 | 389 | 1371 | 1298 |
| 178 | Image Processing | 23 | 388 | 821 | 1145 |
| 178 | drugs | 15 | 388 | 927 | 965 |
| 180 | Telecommunication Systems | 49 | 386 | 168 | 477 |
| 180 | soil microbiology | 18 | 386 | 544 | 996 |
| 182 | Earthquake Engineering | 18 | 381 | 549 | 652 |
| 182 | internet | 7 | 381 | 1012 | 679 |
| 184 | Internet of Things | 6 | 380 | 781 | 512 |
| 185 | rehabilitation | 11 | 372 | 1141 | 1060 |
| 186 | Robotics | 10 | 370 | 1004 | 772 |
| 187 | Egypt | 3 | 369 | 592 | 130 |
| 188 | Radiochemistry | 23 | 368 | 274 | 269 |
| 189 | China | 32 | 362 | 772 | 1168 |
| 190 | Cybernetics | 7 | 359 | 1073 | 796 |
| 191 | Nuclear Chemistry | 22 | 357 | 335 | 329 |
| 192 | Soil Mechanics | 8 | 348 | 682 | 551 |
| 193 | Wireless Communication Systems | 45 | 346 | 531 | 1068 |
| 194 | Metabolism | 10 | 338 | 1583 | 1870 |
| 195 | Educational Technology | 13 | 337 | 612 | 580 |
| 196 | Nanoparticles | 8 | 335 | 1230 | 1026 |
| 197 | Petroleum Engineering | 12 | 322 | 354 | 339 |
| 197 | Ergonomics | 3 | 322 | 1047 | 382 |
| 199 | Industrial Microbiology | 18 | 321 | 669 | 1229 |
| 200 | Paleontology | 37 | 314 | 302 | 552 |
| 200 | Plant Ecology | 9 | 314 | 1018 | 1110 |
| 202 | Zeolites | 7 | 311 | 555 | 487 |
| 203 | Geochemistry | 13 | 310 | 1049 | 1228 |
| 204 | Agricultural Chemistry | 7 | 309 | 1625 | 1346 |
| 205 | Pharmacy | 13 | 308 | 1023 | 1151 |
| 205 | Developmental Disabilities | 5 | 308 | 763 | 582 |
| 207 | Solid State Chemistry | 18 | 305 | 1109 | 1200 |
| 208 | Psychology | 55 | 303 | 1001 | 2395 |
| 208 | pigments | 8 | 303 | 454 | 332 |
| 210 | Neural circuitry | 20 | 300 | 665 | 1082 |
| 211 | Library Science | 16 | 294 | 230 | 147 |
| 212 | Environmental Geology | 19 | 293 | 495 | 841 |
| 213 | Ocean Engineering | 12 | 291 | 894 | 931 |
| 214 | Tropical Medicine | 4 | 286 | 1630 | 769 |
| 215 | Virology | 12 | 285 | 1642 | 2570 |
| 215 | Biodiversity | 19 | 285 | 745 | 1295 |
| 217 | Chemical analysis | 7 | 284 | 781 | 626 |
| 218 | infrared radiation | 7 | 283 | 380 | 128 |
| 219 | Radioisotopes | 19 | 281 | 377 | 380 |
| 220 | Combustion | 9 | 276 | 749 | 701 |
| 221 | Education | 23 | 272 | 1149 | 1457 |
| 222 | Simulation Methods | 10 | 271 | 422 | 310 |
| 222 | Sedimentary rocks | 26 | 271 | 77 | 302 |
| 224 | nanoscience | 15 | 267 | 1409 | 2025 |
| 224 | lasers | 39 | 267 | 507 | 1053 |
| 226 | Immunology | 17 | 260 | 1604 | 2527 |
| 226 | Multimedia Systems | 30 | 260 | 405 | 786 |
| 228 | carbonate rocks | 24 | 254 | 15 | 12 |
| 229 | Physical Chemistry | 20 | 253 | 846 | 1363 |
| 230 | Carbon | 3 | 248 | 1382 | 1080 |
| 230 | management | 18 | 248 | 1372 | 2025 |
| 230 | cytokines | 9 | 248 | 690 | 845 |
| 230 | Membranes | 6 | 248 | 1323 | 1335 |
| 234 | Pharmacognosy | 5 | 246 | 1481 | 1248 |
| 235 | epilepsy | 7 | 241 | 595 | 486 |
| 236 | Hospitality industry | 9 | 240 | 126 | 130 |
| 237 | Functional Analysis | 16 | 238 | 489 | 524 |
| 238 | Combinatorial chemistry | 11 | 237 | 342 | 613 |
| 239 | Plant Genetics | 1 | 236 | 1121 | 553 |
| 239 | Plant genetic engineering | 1 | 236 | 1511 | 666 |
| 241 | Nanobiotechnology | 3 | 235 | 456 | 346 |
| 242 | Geriatrics | 14 | 230 | 1431 | 1725 |
| 243 | Control Theory | 22 | 229 | 607 | 892 |
| 243 | Child psychology | 3 | 229 | 1406 | 1039 |
| 245 | natural gas | 6 | 228 | 261 | 222 |
| 246 | Medicinal plants | 4 | 227 | 1218 | 993 |
| 246 | Luminescence | 13 | 227 | 552 | 602 |
| 248 | Biodegradation | 7 | 226 | 401 | 456 |
| 249 | Quantum Optics | 23 | 225 | 212 | 396 |
| 249 | Chemical industry | 12 | 225 | 597 | 545 |
| 249 | Atomic spectroscopy | 23 | 225 | 297 | 557 |
| 249 | Laser Spectroscopy | 23 | 225 | 184 | 359 |
| 253 | Occupational Health | 7 | 223 | 643 | 479 |
| 253 | industrial hygiene | 7 | 223 | 600 | 296 |
| 253 | complementary therapies | 10 | 223 | 767 | 871 |
| 256 | infection | 3 | 221 | 1830 | 1210 |
| 257 | Hematology | 7 | 219 | 1957 | 2017 |
| 257 | Ore deposits | 8 | 219 | 299 | 334 |
| 259 | Atmospheric Physics | 4 | 216 | 1401 | 1108 |
| 260 | amino acids | 4 | 215 | 478 | 339 |
| 261 | Psychiatry | 16 | 211 | 1967 | 2948 |
| 262 | Proteomics | 1 | 210 | 1877 | 903 |
| 263 | catalytic activity | 3 | 207 | 623 | 433 |
| 264 | Paleobiology | 23 | 206 | 41 | 77 |
| 265 | Occupational Therapy | 7 | 205 | 639 | 313 |
| 266 | Neurochemistry | 5 | 204 | 1931 | 1776 |
| 267 | Computer Engineering | 15 | 203 | 267 | 376 |
| 268 | Corporate governance | 3 | 202 | 587 | 317 |
| 269 | Mining Engineering | 3 | 201 | 597 | 326 |
| 269 | Computational Biology | 16 | 201 | 1093 | 1825 |
| 269 | Bioinorganic chemistry | 5 | 201 | 1112 | 870 |
| 269 | Environmental pollutants | 11 | 201 | 1214 | 1704 |
| 269 | Heterocyclic compounds | 9 | 201 | 536 | 333 |
| 274 | Neurotoxicology | 6 | 200 | 351 | 388 |
| 274 | Apoptosis | 6 | 200 | 117 | 128 |
| 274 | neurotoxins | 6 | 200 | 117 | 128 |
| 274 | Neurotoxic agents | 6 | 200 | 117 | 128 |
| 274 | Nerve regeneration | 6 | 200 | 117 | 128 |
| 279 | Geographic information systems | 8 | 199 | 620 | 456 |
| 279 | Islam | 8 | 199 | 170 | 83 |
| 281 | pollutants | 10 | 198 | 1038 | 1492 |
| 282 | Gastrointestinal diseases | 2 | 197 | 903 | 310 |
| 283 | Manufacturing Processes | 9 | 196 | 1449 | 1489 |
| 283 | Atmospheric Chemistry | 2 | 196 | 1062 | 815 |
| 283 | Geriatric Oncology | 4 | 196 | 545 | 441 |
| 286 | Thermodynamics | 11 | 195 | 574 | 456 |
| 286 | Alternative Medicine | 8 | 195 | 842 | 932 |
| 288 | commerce | 9 | 194 | 816 | 912 |
| 289 | health planning | 8 | 193 | 1353 | 1207 |
| 290 | Orthopedics | 3 | 191 | 1685 | 1075 |
| 291 | Information Systems | 7 | 189 | 887 | 880 |
| 291 | Human-Computer Interaction | 10 | 189 | 788 | 1003 |
| 293 | Stem cells | 5 | 188 | 1280 | 1259 |
| 294 | Microbial Biotechnology | 12 | 186 | 290 | 606 |
| 294 | Travel | 1 | 186 | 1519 | 407 |
| 294 | Bacterial infections | 1 | 186 | 1524 | 868 |
| 294 | Europe | 11 | 186 | 1657 | 1844 |
| 298 | Nonlinear functional analysis | 8 | 182 | 607 | 536 |
| 299 | Vocational guidance | 4 | 179 | 738 | 610 |
| 299 | Middle East | 25 | 179 | 164 | 323 |
| 301 | Civil Engineering | 23 | 178 | 401 | 564 |
| 301 | Diabetes mellitus | 13 | 178 | 1011 | 1864 |
| 301 | Food additives | 3 | 178 | 1269 | 980 |
| 301 | hydrocolloids | 3 | 178 | 632 | 647 |
| 301 | Diabetes | 13 | 178 | 1082 | 1931 |
| 306 | Green Technology | 3 | 177 | 364 | 146 |
| 306 | Geodynamics | 22 | 177 | 282 | 694 |
| 308 | Bioremediation | 7 | 176 | 422 | 589 |
| 308 | Detectors | 12 | 176 | 728 | 945 |
| 310 | Petroleum Geology | 7 | 175 | 348 | 396 |
| 310 | Optical materials | 9 | 175 | 1715 | 2092 |
| 312 | Clinical Psychology | 3 | 173 | 1184 | 965 |
| 312 | Photonics | 10 | 173 | 1192 | 1545 |
| 314 | Quality Control | 7 | 172 | 1096 | 1182 |
| 314 | Proteome | 2 | 172 | 1490 | 1076 |
| 316 | Climatology | 17 | 169 | 689 | 1375 |
| 316 | Metabolic diseases | 12 | 169 | 1208 | 2177 |
| 318 | Medical Laboratory Science | 10 | 168 | 1255 | 2009 |
| 318 | Medical Physics | 11 | 168 | 985 | 1393 |
| 320 | Nutrition physiology | 8 | 167 | 388 | 594 |
| 321 | Production Engineering | 12 | 166 | 991 | 1176 |
| 321 | Developmental Biology | 3 | 166 | 2034 | 1870 |
| 321 | Ceramic materials | 8 | 166 | 835 | 891 |
| 324 | Clinical Pharmacology | 4 | 165 | 1300 | 1036 |
| 324 | Genomics | 14 | 165 | 1618 | 2692 |
| 326 | Systems Engineering | 15 | 164 | 914 | 1374 |
| 326 | Molecular evolution | 11 | 164 | 722 | 1317 |
| 328 | Multiple sclerosis | 13 | 163 | 212 | 266 |
| 329 | Child | 8 | 162 | 1488 | 1643 |
| 330 | Mineralogy | 7 | 161 | 935 | 930 |
| 331 | Medical genetics | 12 | 160 | 1523 | 2655 |
| 331 | Petrology | 9 | 160 | 570 | 713 |
| 333 | peptides | 5 | 158 | 612 | 410 |
| 334 | Highway Engineering | 10 | 157 | 167 | 206 |
| 334 | language | 2 | 157 | 1007 | 603 |
| 336 | Intellectual disability | 7 | 153 | 511 | 544 |
| 337 | food technology | 7 | 150 | 1746 | 2054 |
| 338 | dietary supplements | 8 | 149 | 401 | 661 |
| 339 | particles | 9 | 148 | 474 | 657 |
| 340 | Paleoclimatology | 13 | 147 | 529 | 932 |
| 340 | Paleoecology | 13 | 147 | 496 | 854 |
| 342 | Radiation effects | 4 | 145 | 531 | 547 |
| 343 | Medical Oncology | 9 | 144 | 1114 | 1706 |
| 343 | Probiotics | 4 | 144 | 100 | 74 |
| 343 | Japan | 8 | 144 | 1247 | 1156 |
| 346 | carbon monoxide | 2 | 142 | 471 | 319 |
| 347 | Chromosome mapping | 4 | 140 | 1718 | 1798 |
| 347 | gene mapping | 4 | 140 | 1885 | 2062 |
| 349 | Computer Science | 16 | 139 | 731 | 1192 |
| 349 | Horticulture | 2 | 139 | 981 | 475 |
| 349 | Plant Biotechnology | 2 | 139 | 1029 | 691 |
| 349 | vibration | 12 | 139 | 531 | 853 |
| 349 | Multilingualism | 7 | 139 | 122 | 153 |
| 354 | Meteorology | 15 | 137 | 1010 | 2153 |
| 355 | Immunochemistry | 6 | 136 | 731 | 787 |
| 355 | Technological Innovations | 6 | 136 | 712 | 806 |
| 355 | Evolution | 13 | 136 | 868 | 1619 |
| 358 | Mechatronics | 7 | 135 | 559 | 724 |
| 358 | Physical fitness | 16 | 135 | 342 | 788 |
| 358 | Granular materials | 8 | 135 | 271 | 446 |
| 361 | Molecular Genetics | 3 | 133 | 1813 | 1806 |
| 362 | preimplantation genetic diagnosis | 1 | 131 | 850 | 337 |
| 362 | embryo transfer | 1 | 131 | 874 | 354 |
| 364 | Structural design | 14 | 130 | 271 | 595 |
| 364 | Immunopharmacology | 7 | 130 | 727 | 947 |
| 366 | Remote Sensing | 44 | 129 | 179 | 897 |
| 367 | Immunotherapy | 6 | 128 | 1510 | 2008 |
| 367 | Phytochemistry | 5 | 128 | 136 | 201 |
| 367 | Phytoremediation | 5 | 128 | 136 | 201 |
| 367 | environmental remediation | 5 | 128 | 190 | 231 |
| 367 | Bioreactors | 5 | 128 | 136 | 201 |
| 367 | Solitons | 7 | 128 | 714 | 805 |
| 367 | Fractals | 7 | 128 | 717 | 807 |
| 367 | Chaos | 7 | 128 | 714 | 805 |
| 375 | Pharmacokinetics | 5 | 127 | 653 | 792 |
| 375 | Hematopoietic stem cell transplantation | 2 | 127 | 607 | 502 |
| 375 | Marriage | 12 | 127 | 179 | 347 |
| 375 | radioactive waste | 3 | 127 | 853 | 1080 |
| 375 | industrial waste | 3 | 127 | 880 | 1075 |
| 375 | Hazardous waste | 3 | 127 | 990 | 1144 |
| 375 | drug evaluation | 5 | 127 | 1147 | 1133 |
| 382 | Soil Science | 9 | 125 | 1129 | 1621 |
| 382 | Child Development | 5 | 125 | 1481 | 1675 |
| 382 | Intelligent Control Systems | 9 | 125 | 543 | 488 |
| 382 | Immunity | 4 | 125 | 1772 | 2357 |
| 386 | Geomagnetism | 2 | 124 | 723 | 477 |
| 387 | Sustainable Development | 9 | 123 | 1075 | 1873 |
| 387 | Cryptography | 14 | 123 | 193 | 289 |
| 387 | Plant Morphology | 7 | 123 | 293 | 361 |
| 387 | software | 4 | 123 | 974 | 1024 |
| 391 | Public Health | 14 | 122 | 2757 | 4895 |
| 391 | bioclimatology | 13 | 122 | 281 | 732 |
| 391 | Drying | 9 | 122 | 155 | 287 |
| 391 | Porous materials | 6 | 122 | 487 | 438 |
| 395 | Teaching | 6 | 121 | 1129 | 1080 |
| 396 | Human genetics | 6 | 120 | 1706 | 3286 |
| 396 | soil pollution | 2 | 120 | 778 | 373 |
| 396 | Growth factors | 3 | 120 | 303 | 447 |
| 396 | Cytokine | 3 | 120 | 417 | 506 |
| 400 | sadness | 1 | 119 | 491 | 113 |
| 400 | death | 1 | 119 | 634 | 150 |
| 400 | Suicide | 1 | 119 | 977 | 425 |
| 400 | antisocial personality disorder | 1 | 119 | 491 | 113 |
| 404 | Dermatology | 8 | 117 | 1141 | 1438 |
| 405 | Health | 4 | 116 | 1982 | 1834 |
| 405 | Bioinformatics | 8 | 116 | 1355 | 1892 |
| 407 | Marine Geology | 5 | 114 | 485 | 525 |
| 407 | cultural pluralism | 3 | 114 | 392 | 217 |
| 409 | Marine Ecology | 1 | 113 | 1270 | 581 |
| 409 | ecosystem | 1 | 113 | 2088 | 1431 |
| 411 | Nanochemistry | 7 | 112 | 794 | 983 |
| 411 | Autism | 1 | 112 | 1168 | 738 |
| 413 | Quantum electronics | 17 | 111 | 694 | 1246 |
| 413 | Social Change | 5 | 111 | 751 | 1186 |
| 413 | behavior therapy | 5 | 111 | 602 | 723 |
| 416 | Neuropsychology | 7 | 110 | 1526 | 2019 |
| 416 | Brain | 8 | 110 | 1705 | 2478 |
| 416 | biological evolution | 2 | 110 | 2462 | 2189 |
| 416 | Phylogeny | 2 | 110 | 1072 | 986 |
| 420 | Flexible manufacturing systems | 3 | 109 | 397 | 338 |
| 420 | Catalysts | 8 | 109 | 351 | 554 |
| 422 | Soil dynamics | 6 | 108 | 333 | 451 |
| 422 | Phytotherapy | 2 | 108 | 890 | 596 |
| 424 | Educational Psychology | 5 | 106 | 1039 | 1133 |
| 424 | Combinatorial optimization | 12 | 106 | 124 | 183 |
| 426 | Clinical Biochemistry | 10 | 105 | 617 | 1143 |
| 426 | Medical Microbiology | 4 | 105 | 2062 | 2513 |
| 428 | Health Services Research | 6 | 103 | 1229 | 1481 |
| 428 | Applied Linguistics | 9 | 103 | 229 | 339 |
| 428 | Photogrammetry | 32 | 103 | 111 | 235 |
| 428 | machinery | 8 | 103 | 409 | 567 |
| 432 | Geography | 19 | 102 | 732 | 1792 |
| 432 | Psychosomatic Medicine | 2 | 102 | 996 | 862 |
| 434 | Communication | 12 | 101 | 929 | 1700 |
| 434 | drug therapy | 4 | 101 | 2109 | 2303 |
| 436 | Computer Graphics | 16 | 100 | 727 | 1476 |
| 436 | Educational measurement | 1 | 100 | 347 | 132 |
| 438 | Quality Assurance | 4 | 99 | 277 | 222 |
| 439 | Functional foods | 1 | 98 | 740 | 362 |
| 439 | Lipids | 5 | 98 | 1068 | 1518 |
| 441 | air quality management | 7 | 97 | 269 | 540 |
| 442 | Environmental Toxicology | 6 | 96 | 1844 | 2720 |
| 442 | Dynamics | 15 | 96 | 600 | 1087 |
| 442 | Semiconductors | 10 | 96 | 1269 | 1695 |
| 445 | Materials Engineering | 7 | 95 | 370 | 450 |
| 445 | Pediatrics | 12 | 95 | 1253 | 2653 |
| 445 | Engineering Mathematics | 11 | 95 | 934 | 1317 |
| 445 | Computer Architecture | 2 | 95 | 723 | 343 |
| 445 | Quantum Gravity | 4 | 95 | 1690 | 1618 |
| 445 | environmental exposure | 4 | 95 | 1813 | 2026 |
| 451 | Africa | 19 | 94 | 438 | 943 |
| 452 | individual differences | 1 | 93 | 494 | 312 |
| 453 | textile fibers | 6 | 92 | 264 | 249 |
| 453 | Immune system | 3 | 92 | 1067 | 1436 |
| 455 | Nursing | 6 | 91 | 1341 | 1325 |
| 456 | Social Psychology | 8 | 89 | 1276 | 2014 |
| 456 | Antigens | 4 | 89 | 812 | 913 |
| 458 | Quantum theory | 9 | 88 | 510 | 798 |
| 459 | Kinesiology | 3 | 87 | 118 | 102 |
| 459 | Cardiovascular diseases | 6 | 87 | 1224 | 1571 |
| 461 | Health Services Administration | 5 | 86 | 816 | 1100 |
| 461 | Kinetics | 2 | 86 | 643 | 400 |
| 461 | Diagnostic Imaging | 5 | 86 | 1706 | 1933 |
| 461 | Antibodies | 2 | 86 | 867 | 733 |
| 461 | Reproduction | 4 | 86 | 2083 | 2230 |
| 466 | Waste management | 6 | 85 | 1045 | 1295 |
| 466 | Microprocessors | 3 | 85 | 691 | 497 |
| 466 | Paleobiogeography | 10 | 85 | 16 | 33 |
| 469 | Mechanics | 8 | 84 | 732 | 947 |
| 469 | natural products | 8 | 84 | 1122 | 1589 |
| 471 | Oceanography | 2 | 83 | 1969 | 1710 |
| 471 | Data Mining | 5 | 83 | 1326 | 1840 |
| 471 | Energy Storage | 4 | 83 | 1174 | 1306 |
| 471 | Hypertension | 1 | 83 | 2384 | 2086 |
| 471 | Water Microbiology | 3 | 83 | 478 | 521 |
| 471 | hazard mitigation | 10 | 83 | 371 | 986 |
| 477 | Chronobiology | 2 | 82 | 659 | 469 |
| 477 | Computer Vision | 8 | 82 | 715 | 1359 |
| 477 | Systems Analysis | 11 | 82 | 489 | 992 |
| 477 | biological clocks | 2 | 82 | 659 | 469 |
| 477 | circadian rhythm | 2 | 82 | 659 | 469 |
| 477 | biological rhythms | 2 | 82 | 629 | 463 |
| 477 | natural disasters | 9 | 82 | 660 | 1400 |
| 484 | Soft Condensed Matter | 5 | 81 | 874 | 1143 |
| 484 | Cell differentiation | 3 | 81 | 1660 | 2205 |
| 486 | Economics | 10 | 80 | 2368 | 3078 |
| 486 | Energy Conversion | 3 | 80 | 1287 | 1602 |
| 486 | Neurosurgery | 6 | 80 | 738 | 1154 |
| 486 | Emulsions | 10 | 80 | 116 | 234 |
| 490 | Mycology | 4 | 79 | 1437 | 1656 |
| 491 | Coding Theory | 6 | 78 | 220 | 206 |
| 491 | Ultrasonic Imaging | 2 | 78 | 694 | 542 |
| 491 | irreversible processes | 3 | 78 | 22 | 18 |
| 491 | Nonequilibrium thermodynamics | 3 | 78 | 22 | 18 |
| 491 | Ultrasound | 2 | 78 | 960 | 810 |
| 496 | Exercise therapy | 7 | 77 | 176 | 312 |
| 497 | Circadian rhythms | 1 | 76 | 716 | 445 |
| 497 | Cognitive Science | 7 | 76 | 992 | 1699 |
| 497 | Aquatic ecology | 2 | 76 | 1158 | 904 |
| 500 | Environmental Microbiology | 2 | 75 | 1764 | 1945 |
| 500 | Drug targeting | 3 | 75 | 310 | 493 |
| 500 | Primary health care | 4 | 75 | 1629 | 1783 |
| 500 | Biomass | 6 | 75 | 410 | 983 |
| 500 | biopolymers | 3 | 75 | 1231 | 1321 |
| 500 | Fouling | 2 | 75 | 328 | 352 |
| 506 | solar power | 3 | 74 | 915 | 1186 |
| 506 | solar cells | 3 | 74 | 992 | 1298 |
| 508 | Divorce | 9 | 73 | 39 | 96 |
| 508 | irrigation | 1 | 73 | 637 | 288 |
| 510 | Linguistics | 12 | 72 | 558 | 1016 |
| 510 | Computer-Aided Design | 6 | 72 | 871 | 1257 |
| 510 | Thermochemistry | 4 | 72 | 438 | 492 |
| 510 | Nonlinear Dynamics | 3 | 72 | 1858 | 1823 |
| 510 | ecotourism | 1 | 72 | 452 | 287 |
| 510 | Aquaculture | 3 | 72 | 1460 | 1437 |
| 516 | Obstetrics | 4 | 71 | 2180 | 2428 |
| 516 | Liposomes | 1 | 71 | 975 | 658 |
| 516 | biochemical markers | 5 | 71 | 478 | 714 |
| 519 | Plate Tectonics | 5 | 70 | 196 | 290 |
| 519 | Sulfur | 7 | 70 | 33 | 58 |
| 521 | Systems Biology | 4 | 69 | 1477 | 1874 |
| 521 | Organizational change | 3 | 69 | 712 | 713 |
| 521 | Monomers | 8 | 69 | 21 | 60 |
| 521 | Algae | 2 | 69 | 882 | 831 |
| 521 | color | 1 | 69 | 524 | 211 |
| 526 | Algorithms | 5 | 68 | 512 | 588 |
| 526 | Paleogeography | 5 | 68 | 745 | 1097 |
| 528 | Epidemiology | 4 | 67 | 3424 | 4129 |
| 528 | occupational diseases | 2 | 67 | 1032 | 1064 |
| 528 | Smart Materials | 8 | 67 | 521 | 986 |
| 528 | Genetic testing | 4 | 67 | 280 | 272 |
| 528 | Biomarkers | 4 | 67 | 355 | 465 |
| 533 | Drug delivery devices | 1 | 66 | 538 | 484 |
| 533 | geological modeling | 5 | 66 | 362 | 490 |
| 535 | Medical Technology | 10 | 65 | 857 | 2039 |
| 535 | Molecular Pharmacology | 1 | 65 | 1339 | 1171 |
| 535 | behavioral medicine | 2 | 65 | 1671 | 1832 |
| 535 | Islamic Architecture | 1 | 65 | 215 | 94 |
| 535 | soil conservation | 1 | 65 | 1399 | 980 |
| 535 | motivation | 5 | 65 | 220 | 387 |
| 535 | Learning | 5 | 65 | 935 | 1421 |
| 542 | Software Engineering | 6 | 64 | 716 | 1021 |
| 542 | Food Microbiology | 3 | 64 | 1268 | 1817 |
| 544 | Geomorphology | 3 | 63 | 1372 | 1693 |
| 544 | Discourse Analysis | 7 | 63 | 169 | 379 |
| 544 | Stochastic Processes | 13 | 63 | 307 | 782 |
| 544 | Bacteriology | 2 | 63 | 2237 | 2566 |
| 544 | movement | 3 | 63 | 317 | 425 |
| 549 | Municipal Engineering | 2 | 62 | 456 | 438 |
| 549 | Parasitology | 6 | 62 | 1700 | 2363 |
| 549 | Medical innovations | 3 | 62 | 1082 | 2036 |
| 549 | Natural history | 8 | 62 | 2545 | 5880 |
| 553 | Nanoelectronics | 5 | 61 | 712 | 760 |
| 553 | Microelectronics | 5 | 61 | 1522 | 2081 |
| 553 | organization | 4 | 61 | 642 | 968 |
| 553 | Semiconductor industry | 5 | 61 | 514 | 614 |
| 553 | Australia | 7 | 61 | 1257 | 1904 |
| 558 | Learning disabilities | 5 | 60 | 613 | 854 |
| 558 | Chemical structure | 8 | 60 | 201 | 374 |
| 558 | Southeast Asia | 6 | 60 | 201 | 269 |
| 561 | Astronomy | 3 | 59 | 2638 | 2868 |
| 561 | Game Theory | 3 | 59 | 534 | 497 |
| 561 | Psycholinguistics | 6 | 59 | 637 | 1059 |
| 561 | Biogeochemistry | 3 | 59 | 1102 | 1540 |
| 561 | Production Management | 3 | 59 | 1097 | 1532 |
| 561 | Cellulose | 7 | 59 | 326 | 871 |
| 567 | Product life cycle | 2 | 57 | 424 | 512 |
| 567 | mutagens | 2 | 57 | 1042 | 1320 |
| 567 | green products | 2 | 57 | 381 | 494 |
| 570 | Parasites | 4 | 56 | 1436 | 1785 |
| 571 | Distance Education | 1 | 55 | 681 | 457 |
| 571 | Sedimentology | 1 | 55 | 1068 | 816 |
| 571 | Family | 3 | 55 | 958 | 1051 |
| 574 | fuel cells | 3 | 54 | 1334 | 1659 |
| 574 | feeding behavior | 1 | 54 | 1205 | 1059 |
| 574 | Appetite | 1 | 54 | 1069 | 963 |
| 577 | Mental Health Services | 5 | 53 | 996 | 1521 |
| 577 | Social policy | 4 | 53 | 836 | 1003 |
| 577 | Agriculture | 1 | 53 | 3458 | 2586 |
| 580 | Endocrinology | 6 | 52 | 2241 | 3886 |
| 580 | Hydrology | 7 | 52 | 1731 | 2742 |
| 580 | Neurobiology | 2 | 52 | 1999 | 2389 |
| 580 | nucleic acids | 6 | 52 | 1313 | 2436 |
| 584 | Intelligent Transportation Systems | 2 | 51 | 1382 | 1497 |
| 584 | Tissue Engineering | 3 | 51 | 366 | 494 |
| 584 | Regenerative Medicine | 3 | 51 | 135 | 157 |
| 584 | Forecasting | 3 | 51 | 551 | 668 |
| 588 | Process Control | 3 | 50 | 932 | 1470 |
| 588 | Land use | 4 | 50 | 980 | 1604 |
| 588 | Computational Complexity | 5 | 50 | 765 | 957 |
| 588 | Post-traumatic stress disorder | 6 | 50 | 507 | 1050 |
| 592 | Superconductors | 3 | 49 | 1074 | 991 |
| 592 | Socioeconomic Factors | 2 | 49 | 1004 | 1151 |
| 592 | Superconductivity | 3 | 49 | 513 | 528 |
| 592 | Parasitic Diseases | 3 | 49 | 2002 | 2530 |
| 592 | Communication in marketing | 2 | 49 | 204 | 222 |
| 597 | Aerosols | 4 | 48 | 520 | 746 |
| 597 | Energy Harvesting | 1 | 48 | 759 | 889 |
| 599 | Nanomedicine | 1 | 47 | 513 | 490 |
| 599 | Biopharmaceutics | 3 | 47 | 1185 | 1685 |
| 599 | Radiography | 1 | 47 | 1414 | 1328 |
| 599 | Developmental Neurobiology | 4 | 47 | 432 | 715 |
| 603 | Astrophysics | 6 | 46 | 2344 | 3151 |
| 603 | mutation | 2 | 46 | 821 | 1051 |
| 603 | drug resistance | 3 | 46 | 818 | 1218 |
| 603 | psychotherapy | 5 | 46 | 1014 | 1584 |
| 607 | Career development | 4 | 45 | 323 | 462 |
| 607 | Holistic Health | 3 | 45 | 486 | 575 |
| 607 | body temperature | 4 | 45 | 421 | 717 |
| 607 | cloning | 1 | 45 | 1133 | 1247 |
| 611 | Telecommunications | 7 | 44 | 450 | 886 |
| 611 | Substance Abuse | 2 | 44 | 1721 | 1798 |
| 611 | Crystallography | 10 | 44 | 956 | 1366 |
| 611 | thinking | 2 | 44 | 409 | 434 |
| 611 | Creativity | 2 | 44 | 390 | 476 |
| 616 | Ophthalmology | 6 | 43 | 1399 | 2370 |
| 616 | Histology | 4 | 43 | 1701 | 2615 |
| 616 | pharmaceutical industry | 6 | 43 | 369 | 804 |
| 616 | Metals | 7 | 43 | 1535 | 2583 |
| 620 | Environmental Education | 3 | 42 | 319 | 448 |
| 620 | environmental indicators | 3 | 42 | 1216 | 1895 |
| 620 | Herbal medicine | 2 | 42 | 1008 | 1397 |
| 620 | Calculus of Variations | 10 | 42 | 190 | 443 |
| 620 | Optoelectronic devices | 11 | 42 | 393 | 912 |
| 620 | magmatism | 13 | 42 | 6 | 24 |
| 626 | Pathology | 6 | 40 | 1655 | 3295 |
| 626 | Andrology | 2 | 40 | 787 | 905 |
| 626 | Energy Consumption | 2 | 40 | 525 | 777 |
| 626 | radar | 5 | 40 | 114 | 243 |
| 626 | Sonar | 5 | 40 | 107 | 211 |
| 626 | Cell death | 1 | 40 | 1875 | 2074 |
| 626 | Culture | 7 | 40 | 647 | 1036 |
| 626 | Women's health | 4 | 40 | 1160 | 1852 |
| 626 | Navigation | 5 | 40 | 242 | 302 |
| 635 | Social Sciences | 9 | 39 | 1936 | 3511 |
| 635 | Industrial Statistics | 8 | 39 | 50 | 186 |
| 635 | Religion and Psychology | 5 | 39 | 342 | 616 |
| 635 | Microbial Metabolism | 1 | 39 | 426 | 506 |
| 635 | Planets | 2 | 39 | 1709 | 2219 |
| 635 | Allergy | 2 | 39 | 1468 | 1983 |
| 635 | Memory | 2 | 39 | 2249 | 2679 |
| 642 | Hydrogeology | 2 | 38 | 897 | 1040 |
| 642 | Heterocyclic chemistry | 3 | 38 | 517 | 480 |
| 642 | Carcinogenesis | 1 | 38 | 1712 | 1752 |
| 642 | Adhesion | 2 | 38 | 938 | 926 |
| 642 | carcinogens | 1 | 38 | 1706 | 1726 |
| 642 | adhesives | 2 | 38 | 1003 | 937 |
| 642 | Emotions | 1 | 38 | 915 | 921 |
| 649 | Metallurgy | 7 | 37 | 1744 | 2770 |
| 649 | Immunopathology | 1 | 37 | 2031 | 2012 |
| 649 | Powder Metallurgy | 2 | 37 | 336 | 165 |
| 649 | Gene expression regulation | 4 | 37 | 874 | 1581 |
| 649 | Genetic regulation | 4 | 37 | 1062 | 1901 |
| 649 | Language teaching | 4 | 37 | 33 | 103 |
| 649 | second language | 4 | 37 | 33 | 103 |
| 649 | biological agents | 2 | 37 | 888 | 378 |
| 649 | silicon | 3 | 37 | 376 | 430 |
| 658 | Organizational learning | 3 | 36 | 427 | 554 |
| 658 | Integrative Medicine | 3 | 36 | 298 | 311 |
| 658 | counseling | 5 | 36 | 1019 | 1769 |
| 658 | Fluorescence | 2 | 36 | 618 | 564 |
| 658 | India | 6 | 36 | 939 | 1278 |
| 663 | Anti-inflammatory agents | 2 | 35 | 334 | 411 |
| 663 | Biofeedback | 2 | 35 | 137 | 291 |
| 663 | Metastasis | 1 | 35 | 404 | 614 |
| 663 | Inflammation | 2 | 35 | 1429 | 2014 |
| 663 | protein | 3 | 35 | 1297 | 1733 |
| 663 | biomimicry | 1 | 35 | 318 | 313 |
| 663 | multimedia | 3 | 35 | 553 | 876 |
| 663 | Interactive multimedia | 3 | 35 | 610 | 963 |
| 671 | Food Preservation | 2 | 34 | 992 | 965 |
| 671 | Adaptive control systems | 3 | 34 | 611 | 738 |
| 671 | Testing | 1 | 34 | 198 | 112 |
| 674 | Embryology | 2 | 33 | 1784 | 2362 |
| 674 | Traffic Engineering | 4 | 33 | 330 | 729 |
| 674 | Logistics | 2 | 33 | 687 | 958 |
| 674 | Inventory Control | 2 | 33 | 76 | 183 |
| 674 | Signal Transduction | 1 | 33 | 2258 | 2377 |
| 674 | Rock deformation | 2 | 33 | 255 | 402 |
| 674 | gene therapy | 2 | 33 | 1415 | 1996 |
| 674 | Wales | 10 | 33 | 14 | 96 |
| 674 | Genetic therapy | 2 | 33 | 1476 | 2069 |
| 674 | cell interaction | 1 | 33 | 1725 | 1797 |
| 674 | Bereavement | 3 | 33 | 182 | 261 |
| 674 | sports equipment | 1 | 33 | 121 | 35 |
| 686 | Zoology | 5 | 32 | 2071 | 2981 |
| 686 | Economic History | 3 | 32 | 3231 | 3446 |
| 686 | Public Policy | 4 | 32 | 1595 | 2750 |
| 686 | Psychiatric Nursing | 1 | 32 | 1133 | 924 |
| 686 | Mental Health | 4 | 32 | 1441 | 2291 |
| 686 | Mental Disorders | 3 | 32 | 2952 | 4146 |
| 686 | child abuse | 3 | 32 | 819 | 1343 |
| 693 | Radiation Protection | 7 | 31 | 365 | 690 |
| 693 | radiation monitoring | 7 | 31 | 324 | 653 |
| 693 | Electrophoresis | 4 | 31 | 1530 | 2488 |
| 693 | Rheology | 3 | 31 | 621 | 897 |
| 693 | Fixed Point Theory | 9 | 31 | 65 | 213 |
| 693 | Entropy | 2 | 31 | 1446 | 1452 |
| 693 | clay | 3 | 31 | 798 | 1470 |
| 693 | Chromosomes | 2 | 31 | 1227 | 1663 |
| 693 | Radiation dosimetry | 7 | 31 | 247 | 506 |
| 693 | investigative techniques | 1 | 31 | 304 | 372 |
| 703 | Structural dynamics | 3 | 30 | 996 | 1621 |
| 703 | Ceramics | 2 | 30 | 1969 | 2010 |
| 703 | Transportation | 9 | 30 | 981 | 2311 |
| 703 | Immunogenetics | 4 | 30 | 639 | 1168 |
| 707 | Database Management | 1 | 29 | 1239 | 1128 |
| 707 | Public Administration | 1 | 29 | 2047 | 1556 |
| 707 | Knowledge management | 3 | 29 | 428 | 590 |
| 707 | locomotion | 2 | 29 | 792 | 1068 |
| 707 | Evolutionary Computation | 1 | 29 | 867 | 946 |
| 707 | Swarm Intelligence | 1 | 29 | 568 | 584 |
| 707 | posture | 2 | 29 | 792 | 1068 |
| 707 | psychopathology | 1 | 29 | 521 | 556 |
| 707 | Mineral resources | 1 | 29 | 1127 | 1171 |
| 707 | data collection | 1 | 29 | 2135 | 2043 |
| 707 | data protection | 7 | 29 | 278 | 808 |
| 707 | gait | 2 | 29 | 792 | 1068 |
| 707 | walking | 2 | 29 | 792 | 1068 |
| 720 | Organizational Sociology | 1 | 28 | 578 | 538 |
| 720 | Health Policy | 2 | 28 | 2890 | 3533 |
| 720 | Vaccination | 1 | 28 | 582 | 641 |
| 720 | energy development | 2 | 28 | 1207 | 1704 |
| 720 | Vaccines | 1 | 28 | 3105 | 3143 |
| 725 | Music Therapy | 2 | 27 | 297 | 342 |
| 725 | Art Therapy | 2 | 27 | 272 | 309 |
| 725 | Virtual reality | 2 | 27 | 539 | 685 |
| 725 | Adsorption | 4 | 27 | 150 | 399 |
| 725 | Risk assessment | 6 | 27 | 367 | 1052 |
| 725 | Dance therapy | 2 | 27 | 243 | 247 |
| 725 | Hallucinogens | 1 | 27 | 375 | 390 |
| 725 | Family Therapy | 3 | 27 | 721 | 1031 |
| 725 | viruses | 1 | 27 | 2200 | 2634 |
| 725 | drug abuse | 1 | 27 | 1170 | 1087 |
| 735 | Plant Taxonomy | 2 | 26 | 511 | 624 |
| 735 | Flow chemistry | 2 | 26 | 31 | 38 |
| 735 | risk factors | 1 | 26 | 1226 | 1237 |
| 735 | Freezing | 1 | 26 | 659 | 504 |
| 735 | Kidney diseases | 1 | 26 | 1641 | 1631 |
| 740 | Radiology | 4 | 25 | 1371 | 2056 |
| 740 | Contraception | 3 | 25 | 655 | 1204 |
| 740 | Reproductive health | 3 | 25 | 857 | 1504 |
| 740 | Water quality | 2 | 25 | 285 | 504 |
| 740 | Semigroups | 8 | 25 | 103 | 230 |
| 740 | curriculum evaluation | 1 | 25 | 645 | 587 |
| 740 | Water chemistry | 2 | 25 | 456 | 661 |
| 740 | gene transfer | 1 | 25 | 546 | 599 |
| 740 | Breeding | 2 | 25 | 1475 | 1910 |
| 740 | aerosol | 2 | 25 | 531 | 721 |
| 740 | Birth control | 3 | 25 | 480 | 1015 |
| 740 | genetic transformation | 1 | 25 | 546 | 599 |
| 752 | Computational Chemistry | 1 | 24 | 1115 | 1128 |
| 752 | Mobile Computing | 5 | 24 | 902 | 1618 |
| 752 | Pediatric Nursing | 1 | 24 | 771 | 755 |
| 752 | Poetry | 1 | 24 | 91 | 25 |
| 752 | Obstetric Nursing | 1 | 24 | 508 | 522 |
| 752 | Greenhouse gases | 1 | 24 | 597 | 810 |
| 752 | Popular culture | 2 | 24 | 644 | 465 |
| 752 | Multivariate Analysis | 4 | 24 | 436 | 762 |
| 752 | Database Security | 4 | 24 | 45 | 175 |
| 752 | Stress | 1 | 24 | 569 | 636 |
| 752 | Genes | 3 | 24 | 1239 | 2018 |
| 763 | Information visualization | 1 | 23 | 424 | 293 |
| 763 | embryonic development | 1 | 23 | 743 | 869 |
| 763 | Adolescent | 7 | 23 | 1387 | 3145 |
| 763 | Solutions | 3 | 23 | 393 | 575 |
| 763 | drug development | 4 | 23 | 925 | 2430 |
| 763 | Geospatial data | 1 | 23 | 73 | 104 |
| 769 | Oral Medicine | 2 | 22 | 918 | 1037 |
| 769 | Animal breeding | 1 | 22 | 1250 | 1272 |
| 769 | preventive medicine | 1 | 22 | 2126 | 2333 |
| 769 | Memory disorders | 1 | 22 | 481 | 495 |
| 769 | personality | 2 | 22 | 1653 | 2212 |
| 769 | electroplating | 1 | 22 | 113 | 73 |
| 769 | Safety management | 2 | 22 | 835 | 1045 |
| 769 | surface preparation | 1 | 22 | 90 | 71 |
| 769 | Decision making | 4 | 22 | 1305 | 2470 |
| 769 | plant oils | 1 | 22 | 416 | 450 |
| 779 | Audiology | 3 | 21 | 767 | 1220 |
| 779 | Fluid Mechanics | 5 | 21 | 1290 | 2298 |
| 779 | Community Psychiatry | 2 | 21 | 1257 | 1889 |
| 779 | Metallic Glasses | 3 | 21 | 479 | 862 |
| 779 | Strategic planning | 2 | 21 | 926 | 1297 |
| 779 | child mental health | 2 | 21 | 559 | 815 |
| 779 | Communication Disorders | 3 | 21 | 309 | 513 |
| 779 | Groundwater | 2 | 21 | 752 | 1146 |
| 779 | clay minerals | 2 | 21 | 357 | 610 |
| 779 | finance | 4 | 21 | 2004 | 2874 |
| 779 | Iran | 27 | 21 | 10 | 150 |
| 790 | Microbial Ecology | 2 | 20 | 2700 | 4160 |
| 790 | Counseling Psychology | 2 | 20 | 298 | 498 |
| 790 | Forest Ecology | 1 | 20 | 1605 | 1861 |
| 790 | Action Research | 2 | 20 | 308 | 445 |
| 790 | Access to Information | 1 | 20 | 429 | 543 |
| 790 | big data | 2 | 20 | 854 | 1186 |
| 790 | Forest Management | 1 | 20 | 1550 | 1761 |
| 790 | Combinatorial analysis | 5 | 20 | 726 | 983 |
| 790 | Chromatographic analysis | 5 | 20 | 1573 | 2977 |
| 790 | Information dissemination | 1 | 20 | 429 | 543 |
| 800 | Archaeology | 3 | 19 | 1267 | 1684 |
| 800 | Landscape Architecture | 1 | 19 | 350 | 196 |
| 800 | Cross-Cultural Studies | 4 | 19 | 617 | 1374 |
| 800 | Mutagenesis | 1 | 19 | 928 | 1055 |
| 800 | Computational Fluid Dynamics | 2 | 19 | 817 | 1143 |
| 800 | Radiobiology | 2 | 19 | 1793 | 2470 |
| 800 | nucleotides | 4 | 19 | 304 | 496 |
| 800 | motor skills | 2 | 19 | 260 | 410 |
| 808 | Dentistry | 3 | 18 | 769 | 1025 |
| 808 | Physical Geography | 3 | 18 | 462 | 876 |
| 808 | Marine Geophysics | 1 | 18 | 522 | 549 |
| 808 | Mass Media | 1 | 18 | 1270 | 879 |
| 808 | Marine mineral resources | 1 | 18 | 348 | 319 |
| 808 | Enteral nutrition | 1 | 18 | 1417 | 1782 |
| 808 | Parenteral nutrition | 1 | 18 | 1644 | 2024 |
| 808 | Glass | 1 | 18 | 1808 | 1984 |
| 808 | pottery | 1 | 18 | 1736 | 1920 |
| 808 | Seabed | 1 | 18 | 348 | 319 |
| 818 | Cloud Computing | 2 | 17 | 473 | 845 |
| 818 | Industrial Organization | 1 | 17 | 552 | 634 |
| 818 | Asthma | 1 | 17 | 1235 | 1361 |
| 818 | Artificial Organs | 2 | 17 | 838 | 1130 |
| 818 | Randomized Controlled Trials | 3 | 17 | 1204 | 2167 |
| 818 | Visual Perception | 1 | 17 | 2739 | 3038 |
| 818 | Microstructure | 5 | 17 | 623 | 1422 |
| 818 | Attention | 1 | 17 | 2838 | 3195 |
| 818 | Perception | 1 | 17 | 2944 | 3262 |
| 818 | Allergies | 1 | 17 | 329 | 404 |
| 828 | Surgery | 1 | 16 | 2891 | 3242 |
| 828 | International Relations | 4 | 16 | 892 | 1305 |
| 828 | Historic Preservation | 1 | 16 | 267 | 256 |
| 828 | Biotransformation | 2 | 16 | 160 | 312 |
| 828 | Chemical kinetics | 2 | 16 | 984 | 1144 |
| 828 | cross-cultural comparison | 3 | 16 | 597 | 1159 |
| 828 | Toxins | 2 | 16 | 1084 | 1718 |
| 835 | Humanities | 6 | 15 | 1183 | 2469 |
| 835 | Visual Communication | 4 | 15 | 363 | 924 |
| 835 | Demography | 2 | 15 | 862 | 1351 |
| 835 | Image enhancement | 4 | 15 | 283 | 831 |
| 835 | Chromatography | 4 | 15 | 1536 | 2962 |
| 835 | DNS | 1 | 15 | 993 | 1299 |
| 835 | Korea | 1 | 15 | 709 | 612 |
| 835 | water supply | 2 | 15 | 1156 | 1857 |
| 835 | medical education | 4 | 15 | 1581 | 3120 |
| 835 | DNA | 1 | 15 | 1179 | 1387 |
| 835 | school failure | 1 | 15 | 124 | 125 |
| 846 | Transportation Engineering | 2 | 14 | 418 | 747 |
| 846 | Polymer Engineering | 1 | 14 | 275 | 290 |
| 846 | Tribology | 1 | 14 | 1933 | 2102 |
| 846 | Social Networks | 1 | 14 | 676 | 788 |
| 846 | Distributed Databases | 1 | 14 | 334 | 373 |
| 846 | Online social networks | 1 | 14 | 679 | 786 |
| 846 | Anxiety Disorders | 1 | 14 | 880 | 1262 |
| 846 | Anxiety | 1 | 14 | 883 | 1260 |
| 846 | Semiotics | 4 | 14 | 257 | 375 |
| 846 | nuclear reactors | 8 | 14 | 6 | 23 |
| 846 | allied health | 1 | 14 | 538 | 684 |
| 857 | Geometry | 1 | 13 | 1520 | 1234 |
| 857 | Emergency Nursing | 1 | 13 | 336 | 404 |
| 857 | International Law | 1 | 13 | 645 | 335 |
| 857 | Pragmatics | 3 | 13 | 31 | 70 |
| 857 | Religion | 5 | 13 | 679 | 1028 |
| 857 | Change management | 1 | 13 | 235 | 282 |
| 857 | Biological Systems | 2 | 13 | 752 | 1422 |
| 857 | Parallel Processing | 2 | 13 | 565 | 987 |
| 857 | Child welfare | 2 | 13 | 1395 | 2126 |
| 857 | Air Conditioning | 3 | 13 | 213 | 466 |
| 857 | Fashion merchandising | 1 | 13 | 94 | 167 |
| 857 | Heritage Tourism | 1 | 13 | 278 | 391 |
| 857 | cultural tourism | 1 | 13 | 278 | 391 |
| 857 | Soviet Union | 1 | 13 | 1407 | 1117 |
| 857 | Fashion | 1 | 13 | 286 | 315 |
| 857 | Developing countries | 4 | 13 | 2191 | 4278 |
| 857 | educational innovations | 2 | 13 | 649 | 1060 |
| 874 | Sociology | 5 | 12 | 2317 | 5012 |
| 874 | Architectural Design | 1 | 12 | 881 | 865 |
| 874 | Socialization | 1 | 12 | 839 | 1154 |
| 874 | Histocompatibility Testing | 2 | 12 | 662 | 1179 |
| 874 | Obesity | 1 | 12 | 3099 | 4042 |
| 874 | Autoimmunity | 2 | 12 | 947 | 1733 |
| 874 | East Asia | 1 | 12 | 1244 | 1242 |
| 874 | Biometrics | 6 | 12 | 777 | 1856 |
| 874 | animal diseases | 1 | 12 | 907 | 1209 |
| 874 | Imaging systems | 3 | 12 | 873 | 1480 |
| 874 | role | 1 | 12 | 705 | 1022 |
| 874 | Microwaves | 2 | 12 | 1726 | 2115 |
| 874 | Nanotubes | 1 | 12 | 429 | 443 |
| 874 | international cooperation | 6 | 12 | 369 | 1381 |
| 874 | miniaturization | 3 | 12 | 1914 | 3515 |
| 874 | Pregnancy | 1 | 12 | 1581 | 1943 |
| 890 | Urology | 1 | 11 | 2612 | 3185 |
| 890 | Cultural Studies | 3 | 11 | 131 | 427 |
| 890 | Biogeography | 1 | 11 | 1399 | 1933 |
| 890 | Ecological Engineering | 1 | 11 | 1174 | 1720 |
| 890 | Cartography | 1 | 11 | 896 | 842 |
| 890 | Palynology | 1 | 11 | 488 | 562 |
| 890 | emergency management | 2 | 11 | 890 | 1635 |
| 890 | Metaphor | 1 | 11 | 66 | 115 |
| 890 | Integrated Circuits | 5 | 11 | 689 | 1293 |
| 890 | Mass Spectrometry | 1 | 11 | 1903 | 2274 |
| 890 | Religion and Culture | 3 | 11 | 263 | 600 |
| 890 | Cyberterrorism | 2 | 11 | 53 | 272 |
| 890 | Biomolecules | 1 | 11 | 873 | 1277 |
| 890 | Petroleum | 1 | 11 | 594 | 613 |
| 890 | family violence | 4 | 11 | 349 | 1043 |
| 890 | Drug discovery | 1 | 11 | 592 | 868 |
| 890 | Classroom Environment | 2 | 11 | 84 | 254 |
| 890 | econometric models | 1 | 11 | 1083 | 1323 |
| 890 | Cognition | 5 | 11 | 1326 | 2994 |
| 909 | Global Health | 3 | 10 | 1222 | 2544 |
| 909 | Nuclear Medicine | 2 | 10 | 1284 | 1884 |
| 909 | Pediatric Endocrinology | 1 | 10 | 618 | 700 |
| 909 | Special Education | 5 | 10 | 566 | 1313 |
| 909 | Pediatric Neurology | 3 | 10 | 1016 | 2249 |
| 909 | Probability | 2 | 10 | 724 | 1279 |
| 909 | Evolutionary Genetics | 1 | 10 | 1316 | 1831 |
| 909 | Mining Geology | 1 | 10 | 198 | 236 |
| 909 | Biochemical Genetics | 4 | 10 | 372 | 939 |
| 909 | Risk Management | 2 | 10 | 965 | 1754 |
| 909 | Molecular Epidemiology | 1 | 10 | 1316 | 1831 |
| 909 | Orthopedic Surgery | 2 | 10 | 1070 | 1759 |
| 909 | Health Physics | 1 | 10 | 436 | 465 |
| 909 | Translation | 6 | 10 | 55 | 164 |
| 909 | Urban Transportation | 2 | 10 | 171 | 415 |
| 909 | Language and Education | 1 | 10 | 248 | 320 |
| 909 | Diffusion of innovations | 1 | 10 | 253 | 366 |
| 909 | Financial management | 2 | 10 | 648 | 1316 |
| 909 | Bioprinting | 1 | 10 | 111 | 242 |
| 909 | Risk | 2 | 10 | 707 | 1329 |
| 909 | Metabolic disorders in children | 1 | 10 | 569 | 627 |
| 909 | Human Resources | 1 | 10 | 784 | 1204 |
| 909 | High performance computing | 1 | 10 | 201 | 179 |
| 909 | Chemical reactors | 2 | 10 | 85 | 144 |
| 909 | Fossils | 1 | 10 | 86 | 86 |
| 934 | Literature | 12 | 9 | 304 | 480 |
| 934 | Rheumatology | 2 | 9 | 1448 | 2282 |
| 934 | Industrial Design | 1 | 9 | 516 | 745 |
| 934 | Liquid Crystals | 4 | 9 | 845 | 1415 |
| 934 | Gerontology | 2 | 9 | 2424 | 3365 |
| 934 | Broadcasting | 1 | 9 | 368 | 497 |
| 934 | Nonprofit organizations | 1 | 9 | 582 | 854 |
| 934 | Tunneling | 1 | 9 | 608 | 907 |
| 934 | underground construction | 1 | 9 | 608 | 907 |
| 934 | immunoassay | 1 | 9 | 477 | 629 |
| 934 | Extreme environments | 1 | 9 | 471 | 777 |
| 934 | Philippines | 2 | 9 | 147 | 335 |
| 946 | Anthropology | 1 | 8 | 2298 | 2428 |
| 946 | Anatomy | 1 | 8 | 2854 | 3547 |
| 946 | Developmental Psychology | 1 | 8 | 1585 | 2060 |
| 946 | Topology | 3 | 8 | 283 | 470 |
| 946 | Electromagnetism | 1 | 8 | 1653 | 1927 |
| 946 | Diagnosis | 1 | 8 | 869 | 1141 |
| 946 | Water Purification | 2 | 8 | 1576 | 2564 |
| 946 | Magnetic Materials | 2 | 8 | 1853 | 2553 |
| 946 | Radio wave propagation | 2 | 8 | 931 | 1416 |
| 946 | Iron | 1 | 8 | 598 | 791 |
| 946 | Mitochondrial DNA | 1 | 8 | 474 | 528 |
| 946 | Classification | 2 | 8 | 368 | 614 |
| 946 | human development | 1 | 8 | 1286 | 1789 |
| 946 | Electromagnetic fields | 1 | 8 | 697 | 700 |
| 946 | Industry | 1 | 8 | 461 | 896 |
| 946 | muscle strength | 1 | 8 | 165 | 205 |
| 962 | Human Geography | 1 | 7 | 1662 | 2091 |
| 962 | Digital electronics | 3 | 7 | 329 | 686 |
| 962 | Information Retrieval | 1 | 7 | 914 | 1228 |
| 962 | Radiopharmaceuticals | 4 | 7 | 312 | 726 |
| 962 | Infection control | 1 | 7 | 751 | 1267 |
| 962 | Plasma chemistry | 1 | 7 | 741 | 1067 |
| 962 | microwave antennas | 1 | 7 | 672 | 854 |
| 962 | Magnetic Resonance Spectroscopy | 1 | 7 | 1789 | 2156 |
| 962 | Echocardiography | 1 | 7 | 222 | 424 |
| 962 | Interfaces | 1 | 7 | 689 | 948 |
| 962 | Hormones | 2 | 7 | 1576 | 2838 |
| 962 | nuclear magnetic resonance spectroscopy | 1 | 7 | 1150 | 1401 |
| 962 | Eastern Europe | 1 | 7 | 1556 | 1605 |
| 962 | animals | 1 | 7 | 2054 | 2518 |
| 962 | labor | 1 | 7 | 615 | 680 |
| 962 | industrial relations | 1 | 7 | 1318 | 1654 |
| 962 | concrete | 1 | 7 | 1468 | 1962 |
| 962 | NMR | 1 | 7 | 865 | 1112 |
| 962 | Cell metabolism | 1 | 7 | 1207 | 1826 |
| 962 | World Wide Web | 3 | 7 | 435 | 1015 |
| 962 | Animal | 1 | 7 | 310 | 531 |
| 962 | magnetic resonance | 1 | 7 | 901 | 1153 |
| 962 | Muscle contraction | 3 | 7 | 321 | 711 |
| 962 | Liver diseases | 1 | 7 | 2185 | 3051 |
| 986 | Geotechnical Engineering | 2 | 6 | 644 | 1158 |
| 986 | Coastal zone management | 2 | 6 | 869 | 1808 |
| 986 | cosmic rays | 1 | 6 | 834 | 1100 |
| 986 | cultural policy | 1 | 6 | 402 | 527 |
| 986 | Plant tissue culture | 1 | 6 | 1208 | 1659 |
| 986 | blood transfusion | 1 | 6 | 1212 | 1629 |
| 986 | Marine resources | 2 | 6 | 882 | 1830 |
| 986 | older people | 6 | 6 | 1138 | 2930 |
| 986 | families | 1 | 6 | 1410 | 1822 |
| 986 | supercritical fluids | 1 | 6 | 698 | 1116 |
| 986 | atmosphere | 2 | 6 | 1017 | 1818 |
| 986 | Pathogens | 1 | 6 | 270 | 555 |
| 986 | public works | 2 | 6 | 192 | 417 |
| 986 | Steroids | 1 | 6 | 1647 | 2284 |
| 986 | Microscopy | 4 | 6 | 1271 | 2904 |