| 1 | Biochemistry | 522 | 17.0K | 798 | 904 |
| 2 | Physics | 448 | 15.7K | 950 | 1554 |
| 3 | Science | 354 | 11.9K | 959 | 1802 |
| 4 | Medicine | 389 | 11.0K | 961 | 1350 |
| 5 | Biotechnology | 261 | 10.4K | 480 | 592 |
| 6 | Public Health | 670 | 9.9K | 148 | 420 |
| 7 | Solid State Physics | 301 | 9.7K | 445 | 419 |
| 8 | Condensed Matter | 297 | 9.7K | 425 | 425 |
| 9 | Biology | 380 | 9.0K | 893 | 2058 |
| 10 | Botany | 287 | 8.6K | 301 | 463 |
| 11 | Pharmacology | 279 | 8.6K | 522 | 559 |
| 12 | Toxicology | 212 | 8.1K | 395 | 370 |
| 13 | Chemistry | 245 | 7.2K | 1476 | 1767 |
| 14 | Molecular Biology | 233 | 6.2K | 1111 | 1690 |
| 15 | Chemical Engineering | 204 | 6.1K | 479 | 615 |
| 16 | Psychiatry | 65 | 6.0K | 1170 | 663 |
| 17 | Research | 184 | 5.7K | 1314 | 1401 |
| 18 | Statistical physics | 255 | 5.7K | 362 | 423 |
| 19 | Colloids | 88 | 5.2K | 703 | 469 |
| 20 | Environment | 67 | 4.9K | 1112 | 1045 |
| 21 | Catalysis | 120 | 4.8K | 658 | 664 |
| 22 | Microbiology | 187 | 4.8K | 935 | 1477 |
| 23 | Biophysics | 89 | 4.7K | 1450 | 958 |
| 24 | Biochemical Engineering | 103 | 4.5K | 386 | 638 |
| 25 | food technology | 118 | 4.5K | 204 | 179 |
| 26 | Materials | 126 | 4.5K | 1225 | 1182 |
| 27 | environmental pollution | 95 | 4.4K | 682 | 640 |
| 28 | Bioengineering | 92 | 4.2K | 679 | 817 |
| 29 | Pharmacognosy | 122 | 4.1K | 89 | 106 |
| 30 | Biomass Energy | 66 | 3.9K | 341 | 295 |
| 31 | Mental Disorders | 24 | 3.9K | 1404 | 554 |
| 32 | Tropical Medicine | 197 | 3.9K | 35 | 54 |
| 33 | Nonlinear Dynamics | 140 | 3.9K | 220 | 243 |
| 34 | Mental illness | 23 | 3.8K | 853 | 329 |
| 35 | Plant physiology | 96 | 3.6K | 238 | 350 |
| 36 | Mathematics | 252 | 3.5K | 746 | 663 |
| 37 | Food | 87 | 3.2K | 383 | 362 |
| 38 | Ecology | 133 | 3.2K | 1016 | 1640 |
| 39 | Medicinal plants | 69 | 3.2K | 105 | 81 |
| 40 | Plant Ecology | 49 | 3.1K | 334 | 262 |
| 41 | Marine Biology | 237 | 3.0K | 132 | 424 |
| 42 | Radiation effects | 26 | 2.8K | 65 | 14 |
| 43 | Raman spectroscopy | 133 | 2.8K | 9 | 12 |
| 44 | Nuclear Physics | 163 | 2.7K | 963 | 1165 |
| 45 | Materials Science | 41 | 2.7K | 1675 | 1088 |
| 46 | Neurology | 100 | 2.7K | 1337 | 1731 |
| 47 | Surface Chemistry | 70 | 2.7K | 867 | 757 |
| 48 | Natural history | 89 | 2.7K | 671 | 2518 |
| 49 | Pollution | 104 | 2.5K | 936 | 1573 |
| 50 | Food additives | 20 | 2.4K | 374 | 120 |
| 50 | hydrocolloids | 20 | 2.4K | 177 | 92 |
| 52 | Health Policy | 175 | 2.3K | 124 | 308 |
| 53 | Spectrum analysis | 159 | 2.2K | 610 | 1173 |
| 54 | Environmental Health | 91 | 2.2K | 924 | 1410 |
| 55 | Pharmaceutical Chemistry | 69 | 2.2K | 914 | 983 |
| 56 | Water pollution | 97 | 2.2K | 281 | 605 |
| 57 | Nanotechnology | 66 | 2.2K | 1343 | 1497 |
| 58 | enzymes | 35 | 2.1K | 322 | 174 |
| 59 | Nutrition | 86 | 2.1K | 802 | 1118 |
| 60 | Nanostructured Materials | 42 | 2.0K | 1023 | 806 |
| 61 | Epidemiology | 139 | 2.0K | 437 | 892 |
| 62 | Biomedical Engineering | 80 | 2.0K | 926 | 1087 |
| 63 | Public Health Administration | 170 | 2.0K | 16 | 22 |
| 64 | venom | 59 | 1.9K | 48 | 43 |
| 64 | Toxins | 60 | 1.9K | 51 | 45 |
| 66 | biological factors | 62 | 1.8K | 185 | 257 |
| 67 | Technology | 59 | 1.8K | 890 | 741 |
| 68 | Nursing | 206 | 1.8K | 45 | 138 |
| 69 | Polymers | 57 | 1.8K | 1399 | 1222 |
| 70 | Mathematical Physics | 118 | 1.8K | 383 | 535 |
| 71 | Environmental Management | 36 | 1.8K | 716 | 668 |
| 72 | Psychophysiology | 41 | 1.7K | 966 | 926 |
| 73 | Parasitology | 62 | 1.6K | 445 | 436 |
| 74 | Physiology | 84 | 1.6K | 921 | 1385 |
| 75 | Electrochemistry | 64 | 1.6K | 1016 | 981 |
| 76 | Bacteriology | 62 | 1.6K | 366 | 656 |
| 77 | Solid State Chemistry | 74 | 1.6K | 385 | 398 |
| 78 | natural products | 78 | 1.6K | 133 | 232 |
| 79 | polymerization | 46 | 1.5K | 1301 | 1116 |
| 79 | coal | 38 | 1.5K | 311 | 336 |
| 81 | Earth Sciences | 116 | 1.4K | 378 | 877 |
| 82 | Hydrology | 75 | 1.4K | 376 | 588 |
| 83 | Pharmacy | 37 | 1.4K | 564 | 432 |
| 84 | Marine Pollution | 54 | 1.4K | 95 | 225 |
| 85 | Latin America | 146 | 1.4K | 75 | 49 |
| 86 | Inflammation | 47 | 1.3K | 121 | 220 |
| 87 | Agriculture | 115 | 1.3K | 183 | 479 |
| 88 | Infrared spectroscopy | 73 | 1.3K | 2 | 6 |
| 89 | Geology | 99 | 1.3K | 607 | 920 |
| 89 | Behavior | 29 | 1.3K | 1170 | 1156 |
| 91 | Analytical Chemistry | 42 | 1.3K | 1572 | 1495 |
| 92 | Herbal medicine | 27 | 1.3K | 93 | 69 |
| 93 | Molecular structure | 68 | 1.2K | 312 | 657 |
| 94 | Surface-Active Agents | 17 | 1.2K | 292 | 158 |
| 94 | Surface properties | 17 | 1.2K | 327 | 180 |
| 96 | Renewable Energy Sources | 29 | 1.2K | 684 | 1080 |
| 97 | Immunology | 47 | 1.2K | 1336 | 1853 |
| 98 | Clinical Chemistry | 30 | 1.1K | 1112 | 1060 |
| 99 | Geomorphology | 56 | 1.1K | 175 | 395 |
| 100 | Aquaculture | 47 | 1.1K | 296 | 356 |
| 101 | Adsorption | 49 | 1.1K | 3 | 4 |
| 102 | Quantum Gravity | 48 | 1.1K | 811 | 867 |
| 103 | Organic Chemistry | 52 | 1.1K | 909 | 1102 |
| 103 | Environmental monitoring | 58 | 1.1K | 725 | 1436 |
| 105 | Medical Microbiology | 45 | 1.1K | 635 | 1080 |
| 106 | Crystallography | 24 | 1.1K | 633 | 228 |
| 107 | Environmental Engineering | 92 | 1.1K | 471 | 1369 |
| 108 | Psychology | 130 | 1.1K | 698 | 1646 |
| 109 | Neurophysiology | 36 | 1.0K | 1095 | 1417 |
| 110 | Enzyme | 15 | 1.0K | 119 | 65 |
| 111 | Graphene | 1 | 1.0K | 299 | 17 |
| 112 | Agricultural Chemistry | 26 | 1.0K | 816 | 695 |
| 113 | Water quality management | 39 | 1.0K | 288 | 288 |
| 114 | plant oils | 74 | 992 | 8 | 8 |
| 115 | Cytology | 32 | 984 | 1870 | 2485 |
| 116 | Brain | 21 | 972 | 1340 | 1190 |
| 117 | miniaturization | 27 | 966 | 582 | 819 |
| 118 | Environmental Policy | 34 | 964 | 911 | 1315 |
| 119 | Reproduction | 57 | 963 | 527 | 811 |
| 120 | Plants | 34 | 957 | 602 | 868 |
| 121 | Carbon | 23 | 950 | 423 | 523 |
| 122 | environmental protection | 50 | 940 | 670 | 1208 |
| 123 | Building Materials | 27 | 939 | 483 | 606 |
| 124 | Geography | 149 | 932 | 172 | 639 |
| 125 | Neuropsychology | 19 | 928 | 1106 | 829 |
| 126 | Zeolites | 21 | 926 | 245 | 210 |
| 127 | Antarctica | 48 | 899 | 65 | 53 |
| 128 | Geriatrics | 15 | 887 | 1728 | 1007 |
| 129 | Biocompatible Materials | 24 | 880 | 1703 | 1951 |
| 130 | Cell Biology | 26 | 876 | 1984 | 2669 |
| 131 | Green Chemistry | 9 | 873 | 1156 | 758 |
| 131 | Ethnology | 38 | 873 | 267 | 176 |
| 133 | Industrial Microbiology | 22 | 872 | 649 | 714 |
| 134 | Mycology | 40 | 860 | 370 | 555 |
| 135 | Bioorganic chemistry | 25 | 857 | 1167 | 1123 |
| 136 | Alternative Medicine | 34 | 842 | 368 | 347 |
| 137 | Neural circuitry | 26 | 841 | 519 | 571 |
| 138 | Biodiversity | 56 | 832 | 368 | 853 |
| 139 | proteins | 30 | 812 | 704 | 781 |
| 140 | Neurochemistry | 29 | 793 | 962 | 1178 |
| 140 | drugs | 20 | 793 | 926 | 691 |
| 142 | Engineering | 10 | 770 | 3156 | 1108 |
| 143 | Aging | 7 | 758 | 2535 | 1168 |
| 144 | Biodiversity conservation | 15 | 750 | 865 | 1108 |
| 145 | Genomics | 25 | 747 | 1365 | 1513 |
| 146 | Developmental Biology | 5 | 740 | 2054 | 1215 |
| 146 | bees | 13 | 740 | 136 | 87 |
| 148 | Environmental Microbiology | 35 | 730 | 266 | 656 |
| 148 | Aquatic ecology | 16 | 730 | 342 | 205 |
| 150 | Power Electronics | 7 | 721 | 427 | 101 |
| 151 | Ultrasonics | 9 | 708 | 610 | 309 |
| 151 | Sonochemistry | 9 | 708 | 255 | 175 |
| 153 | Parasitic Diseases | 21 | 700 | 857 | 874 |
| 154 | Animal breeding | 40 | 694 | 157 | 200 |
| 155 | Clinical Pharmacology | 29 | 693 | 429 | 503 |
| 155 | Bipolar Disorder | 7 | 693 | 264 | 150 |
| 157 | Optical materials | 26 | 689 | 1022 | 1303 |
| 158 | Soil Science | 29 | 687 | 547 | 729 |
| 159 | Optics | 50 | 686 | 1509 | 1635 |
| 160 | Breeding | 37 | 674 | 287 | 450 |
| 161 | complementary therapies | 27 | 673 | 499 | 459 |
| 162 | health behavior | 5 | 672 | 915 | 301 |
| 163 | cytokines | 21 | 629 | 402 | 498 |
| 164 | Energy Policy | 14 | 628 | 1340 | 1370 |
| 165 | Molecular Spectroscopy | 59 | 617 | 197 | 498 |
| 166 | Water | 26 | 611 | 903 | 1445 |
| 167 | soil conservation | 22 | 606 | 130 | 157 |
| 168 | Electrical Engineering | 46 | 599 | 1003 | 739 |
| 169 | Oceanography | 33 | 596 | 642 | 909 |
| 170 | mathematical analysis | 68 | 586 | 488 | 679 |
| 171 | Artificial Intelligence | 34 | 582 | 1231 | 1493 |
| 172 | Pharmaceutical Technology | 14 | 577 | 754 | 612 |
| 173 | energy conservation | 9 | 573 | 1195 | 906 |
| 174 | Entomology | 36 | 572 | 731 | 775 |
| 175 | Operations Research | 32 | 570 | 696 | 889 |
| 176 | Pharmacokinetics | 11 | 561 | 434 | 286 |
| 177 | Telecommunication Systems | 19 | 560 | 519 | 339 |
| 178 | Immunopharmacology | 17 | 559 | 327 | 298 |
| 179 | Metallography | 15 | 558 | 280 | 193 |
| 180 | Endocrinology | 35 | 556 | 1186 | 2103 |
| 180 | Plant cells | 13 | 556 | 664 | 986 |
| 182 | Microbial Ecology | 16 | 544 | 1176 | 1571 |
| 183 | Schizophrenia | 9 | 541 | 781 | 625 |
| 184 | Education | 196 | 540 | 310 | 1166 |
| 184 | Health Education | 56 | 540 | 334 | 691 |
| 186 | Metabolism | 34 | 539 | 1127 | 1961 |
| 187 | Microelectronics | 21 | 531 | 760 | 1007 |
| 187 | computer networks | 27 | 531 | 716 | 826 |
| 189 | Geophysics | 20 | 530 | 1900 | 1957 |
| 190 | Environmental Toxicology | 27 | 527 | 747 | 1345 |
| 190 | Microscopy | 24 | 527 | 480 | 485 |
| 192 | Industrial Engineering | 21 | 516 | 651 | 703 |
| 193 | mycoses | 24 | 515 | 168 | 585 |
| 194 | soil microbiology | 13 | 500 | 758 | 1001 |
| 195 | Composite Materials | 14 | 483 | 1451 | 1532 |
| 196 | Bioinorganic chemistry | 23 | 472 | 485 | 609 |
| 197 | Proteomics | 12 | 471 | 571 | 605 |
| 198 | Psychosomatic Medicine | 9 | 470 | 536 | 465 |
| 199 | Nanoparticles | 15 | 467 | 891 | 936 |
| 200 | nanoscience | 9 | 465 | 2096 | 1812 |
| 201 | Economic History | 321 | 463 | 82 | 1227 |
| 202 | Animal Behavior | 26 | 462 | 696 | 1234 |
| 202 | Climate change | 4 | 462 | 1090 | 1155 |
| 202 | Eutrophication | 4 | 462 | 1055 | 1149 |
| 205 | Automation | 22 | 456 | 649 | 805 |
| 206 | Immunotherapy | 16 | 450 | 930 | 1347 |
| 206 | particles | 13 | 450 | 339 | 224 |
| 208 | Plant diseases | 32 | 443 | 621 | 893 |
| 209 | Parasites | 11 | 439 | 960 | 673 |
| 210 | Evidence-Based Medicine | 20 | 438 | 366 | 330 |
| 211 | drug therapy | 9 | 437 | 1850 | 1476 |
| 212 | Granular materials | 12 | 435 | 160 | 124 |
| 213 | Oxidative stress | 12 | 434 | 538 | 690 |
| 214 | Cellular senescence | 11 | 431 | 305 | 350 |
| 215 | Cellulose | 12 | 427 | 212 | 229 |
| 216 | Genetic engineering | 4 | 422 | 2445 | 1444 |
| 217 | ecosystem | 25 | 416 | 406 | 905 |
| 218 | Neurosurgery | 2 | 415 | 1795 | 659 |
| 219 | Nervous system | 19 | 410 | 1194 | 1849 |
| 220 | Quality Control | 13 | 409 | 791 | 722 |
| 221 | Ethology | 18 | 404 | 675 | 1143 |
| 222 | Climatology | 55 | 403 | 377 | 1071 |
| 222 | Communication | 73 | 403 | 269 | 780 |
| 224 | human behavior | 16 | 395 | 1169 | 1887 |
| 225 | Highway Engineering | 23 | 391 | 76 | 100 |
| 226 | Obstetrics | 26 | 390 | 1100 | 1438 |
| 226 | Fisheries | 22 | 390 | 662 | 893 |
| 228 | Marine Ecology | 22 | 388 | 211 | 278 |
| 229 | United States | 33 | 383 | 1876 | 2760 |
| 230 | soil pollution | 15 | 382 | 100 | 120 |
| 231 | Medical Anthropology | 9 | 380 | 803 | 904 |
| 232 | disease vectors | 5 | 379 | 875 | 455 |
| 233 | Zoology | 40 | 377 | 794 | 1234 |
| 234 | Coastal zone management | 12 | 375 | 250 | 247 |
| 234 | Water Microbiology | 26 | 375 | 30 | 135 |
| 234 | Communication in medicine | 37 | 375 | 80 | 212 |
| 237 | Diet | 10 | 374 | 1480 | 1604 |
| 238 | Marine resources | 11 | 371 | 280 | 241 |
| 239 | Geometry | 51 | 367 | 158 | 252 |
| 240 | Measurement | 14 | 366 | 498 | 446 |
| 241 | Crystal growth | 18 | 363 | 350 | 460 |
| 242 | Phytotherapy | 11 | 361 | 354 | 316 |
| 243 | Drying | 4 | 360 | 351 | 119 |
| 244 | Molecular Genetics | 23 | 354 | 827 | 1478 |
| 245 | plant molecular biology | 10 | 353 | 962 | 1295 |
| 246 | plant communities | 11 | 350 | 624 | 812 |
| 247 | Soft Condensed Matter | 10 | 348 | 681 | 611 |
| 247 | Therapeutics | 6 | 348 | 1672 | 1404 |
| 249 | Geochemistry | 18 | 345 | 1045 | 1376 |
| 250 | Biodegradation | 26 | 343 | 61 | 321 |
| 251 | food handling | 7 | 341 | 554 | 476 |
| 252 | Agricultural Ecology | 9 | 339 | 667 | 822 |
| 252 | Statistical Mechanics | 14 | 339 | 523 | 333 |
| 254 | Transportation | 27 | 338 | 509 | 877 |
| 255 | Genetics | 28 | 337 | 1723 | 3528 |
| 256 | United Kingdom | 6 | 335 | 1475 | 1184 |
| 256 | Chromatographic analysis | 24 | 335 | 629 | 839 |
| 258 | Physical Therapy | 26 | 333 | 400 | 878 |
| 258 | Signal Processing | 26 | 333 | 577 | 837 |
| 260 | Digestive system diseases | 17 | 332 | 432 | 590 |
| 261 | Sociology | 31 | 328 | 902 | 1639 |
| 261 | Economics | 96 | 328 | 820 | 2095 |
| 261 | Proteome | 8 | 328 | 865 | 901 |
| 264 | Nanostructures | 28 | 327 | 600 | 1446 |
| 265 | Computer Engineering | 13 | 323 | 206 | 140 |
| 266 | Cancer | 19 | 322 | 2069 | 3032 |
| 267 | Fishery resources | 94 | 321 | 10 | 320 |
| 267 | Fouling | 25 | 321 | 20 | 102 |
| 269 | Kidney diseases | 9 | 316 | 677 | 642 |
| 270 | software | 6 | 313 | 703 | 519 |
| 271 | actuators | 12 | 311 | 1253 | 1489 |
| 271 | transducers | 12 | 311 | 1253 | 1489 |
| 273 | Microbial Biotechnology | 13 | 307 | 310 | 445 |
| 274 | Environmental Geology | 19 | 306 | 493 | 877 |
| 274 | Plant tissue culture | 6 | 306 | 551 | 369 |
| 274 | Plant cell culture | 6 | 306 | 477 | 363 |
| 277 | Semiconductors | 21 | 300 | 775 | 921 |
| 278 | Germany | 4 | 298 | 694 | 82 |
| 279 | Critical Care | 7 | 296 | 1450 | 1648 |
| 279 | clay | 7 | 296 | 493 | 495 |
| 281 | Chromatography | 20 | 294 | 600 | 838 |
| 282 | Critical Care Medicine | 6 | 290 | 1466 | 1648 |
| 283 | vascular diseases | 8 | 289 | 519 | 646 |
| 284 | Dermatology | 14 | 288 | 1088 | 1225 |
| 284 | Electrochemical Analysis | 16 | 288 | 660 | 863 |
| 286 | Marine Geology | 9 | 287 | 330 | 302 |
| 286 | Petroleum Geology | 9 | 287 | 310 | 310 |
| 288 | Petroleum Engineering | 12 | 285 | 368 | 373 |
| 288 | Chronobiology | 15 | 285 | 90 | 174 |
| 288 | biological clocks | 15 | 285 | 90 | 174 |
| 288 | circadian rhythm | 15 | 285 | 90 | 174 |
| 288 | biological rhythms | 15 | 285 | 83 | 171 |
| 288 | biological evolution | 10 | 285 | 1393 | 1863 |
| 294 | Clinical Psychology | 4 | 282 | 1587 | 1232 |
| 294 | Nondestructive testing | 8 | 282 | 380 | 251 |
| 294 | arthritis | 4 | 282 | 1441 | 1228 |
| 297 | Sports Medicine | 53 | 275 | 585 | 1500 |
| 298 | Gastrointestinal diseases | 10 | 271 | 348 | 286 |
| 298 | Liver diseases | 10 | 271 | 1076 | 1579 |
| 300 | Molecular evolution | 18 | 266 | 744 | 1355 |
| 300 | nuclear magnetic resonance spectroscopy | 30 | 266 | 139 | 361 |
| 300 | rehabilitation | 9 | 266 | 1589 | 1487 |
| 303 | Taste | 13 | 263 | 84 | 122 |
| 303 | smell | 13 | 263 | 84 | 122 |
| 305 | medical education | 14 | 262 | 984 | 1066 |
| 306 | Magnetic Resonance Spectroscopy | 29 | 261 | 370 | 710 |
| 306 | NMR | 29 | 261 | 48 | 148 |
| 306 | magnetic resonance | 29 | 261 | 47 | 165 |
| 309 | Manufacturing Processes | 7 | 258 | 1813 | 1446 |
| 310 | global environmental change | 5 | 257 | 767 | 760 |
| 310 | flavor | 12 | 257 | 50 | 83 |
| 310 | biopolymers | 8 | 257 | 853 | 808 |
| 310 | environmental issues | 5 | 257 | 326 | 242 |
| 314 | Agronomy | 2 | 253 | 795 | 429 |
| 315 | Paleontology | 21 | 252 | 542 | 740 |
| 315 | Land use | 10 | 252 | 589 | 729 |
| 315 | Virology | 7 | 252 | 2731 | 3422 |
| 318 | Paleoclimatology | 6 | 250 | 908 | 830 |
| 318 | Roads | 16 | 250 | 338 | 344 |
| 320 | Paleoecology | 4 | 247 | 1049 | 774 |
| 320 | Paleogeography | 4 | 247 | 934 | 703 |
| 322 | Electronics | 20 | 246 | 1732 | 1970 |
| 323 | Environmental pollutants | 12 | 245 | 1282 | 1772 |
| 324 | Anti-inflammatory agents | 11 | 244 | 53 | 87 |
| 325 | environmental exposure | 11 | 243 | 1079 | 1421 |
| 325 | Respiration | 15 | 243 | 807 | 1297 |
| 327 | Solar Energy | 9 | 242 | 1077 | 1323 |
| 327 | Atomic spectroscopy | 7 | 242 | 890 | 640 |
| 329 | Transport | 5 | 238 | 537 | 453 |
| 329 | Sea | 5 | 238 | 475 | 369 |
| 331 | Plant hormones | 6 | 237 | 205 | 180 |
| 331 | protein | 5 | 237 | 1245 | 971 |
| 331 | internet | 11 | 237 | 561 | 611 |
| 334 | Nutrition physiology | 3 | 234 | 947 | 560 |
| 335 | Cosmology | 31 | 233 | 439 | 704 |
| 336 | gene mapping | 6 | 228 | 1865 | 2040 |
| 337 | sanitation | 4 | 225 | 1673 | 1815 |
| 338 | Molecular recognition | 13 | 224 | 26 | 88 |
| 338 | land degradation | 7 | 224 | 250 | 289 |
| 338 | Information Science | 45 | 224 | 438 | 1774 |
| 338 | degradation | 7 | 224 | 250 | 289 |
| 342 | Metallurgy | 16 | 222 | 1264 | 1623 |
| 343 | Veterinary Pathology | 17 | 220 | 91 | 138 |
| 344 | Functional foods | 6 | 219 | 225 | 202 |
| 345 | Soil ecology | 13 | 215 | 320 | 647 |
| 346 | Internet of Things | 7 | 214 | 433 | 321 |
| 347 | Physical Chemistry | 9 | 213 | 1639 | 1796 |
| 347 | Quantum Optics | 6 | 213 | 734 | 510 |
| 347 | Microwaves | 21 | 213 | 397 | 388 |
| 347 | Laser Spectroscopy | 6 | 213 | 683 | 463 |
| 351 | Environmental Chemistry | 7 | 212 | 1670 | 2036 |
| 352 | Chromosome mapping | 4 | 211 | 2093 | 1837 |
| 353 | Circadian rhythms | 5 | 210 | 203 | 208 |
| 354 | Nonlinear functional analysis | 17 | 209 | 422 | 623 |
| 354 | pollutants | 10 | 209 | 1154 | 1687 |
| 356 | Sleep Disorders | 26 | 208 | 662 | 1323 |
| 356 | Sleep | 26 | 208 | 653 | 1333 |
| 358 | Drug design | 13 | 207 | 831 | 1416 |
| 359 | Metabolic syndrome | 15 | 205 | 37 | 76 |
| 360 | Functional Analysis | 23 | 204 | 436 | 700 |
| 360 | Numerical Analysis | 15 | 204 | 1170 | 1283 |
| 360 | Wireless Communication Systems | 16 | 204 | 939 | 1068 |
| 360 | Biomass | 7 | 204 | 359 | 613 |
| 364 | Medical Technology | 3 | 203 | 2411 | 1346 |
| 365 | Pediatrics | 9 | 202 | 1999 | 2616 |
| 366 | Contraception | 4 | 198 | 599 | 432 |
| 366 | Wetland ecology | 6 | 198 | 289 | 261 |
| 368 | Telecommunication | 23 | 195 | 776 | 1174 |
| 369 | Vaccines | 8 | 194 | 1439 | 1640 |
| 370 | China | 13 | 192 | 1598 | 1988 |
| 371 | Europe | 22 | 186 | 1431 | 2270 |
| 372 | Metabolic diseases | 10 | 184 | 1823 | 2750 |
| 372 | energy resources | 6 | 184 | 1065 | 1622 |
| 374 | Analytical Biochemistry | 9 | 183 | 1162 | 1441 |
| 374 | Waste management | 17 | 183 | 481 | 865 |
| 374 | Water Purification | 17 | 183 | 357 | 678 |
| 377 | Histochemistry | 5 | 182 | 1020 | 837 |
| 377 | Food Preservation | 16 | 182 | 211 | 325 |
| 379 | Nanochemistry | 6 | 181 | 923 | 695 |
| 380 | Image Processing | 11 | 180 | 1167 | 1621 |
| 380 | cell adhesion molecules | 6 | 180 | 346 | 446 |
| 380 | cell interaction | 6 | 180 | 991 | 1165 |
| 380 | biological agents | 37 | 180 | 46 | 70 |
| 380 | Cell communication | 6 | 180 | 618 | 748 |
| 385 | Heat Exchangers | 5 | 178 | 1021 | 1055 |
| 386 | Invertebrates | 9 | 177 | 336 | 422 |
| 387 | Oncology | 11 | 175 | 1486 | 2879 |
| 387 | Luminescence | 8 | 175 | 886 | 789 |
| 389 | Electrophoresis | 9 | 171 | 1145 | 1430 |
| 389 | Reproductive health | 4 | 171 | 807 | 585 |
| 391 | Statistics | 15 | 170 | 1506 | 1857 |
| 392 | infection | 7 | 169 | 1407 | 1745 |
| 392 | lasers | 16 | 169 | 811 | 1082 |
| 392 | Birth control | 3 | 169 | 535 | 365 |
| 395 | Psychopharmacology | 8 | 168 | 1299 | 1734 |
| 396 | Diagnostic microbiology | 5 | 162 | 1358 | 1948 |
| 397 | Rheumatology | 3 | 160 | 1636 | 1354 |
| 397 | Calorimetry | 10 | 160 | 596 | 652 |
| 397 | Thermal analysis | 10 | 160 | 596 | 652 |
| 400 | Engineering Geology | 3 | 159 | 1618 | 1189 |
| 400 | peptides | 11 | 159 | 408 | 534 |
| 402 | Plastics | 8 | 158 | 1195 | 1219 |
| 402 | pain | 6 | 158 | 1275 | 1517 |
| 404 | Fishery management | 11 | 157 | 461 | 628 |
| 404 | Microorganisms | 1 | 157 | 2340 | 1536 |
| 404 | wetland management | 4 | 157 | 132 | 109 |
| 407 | Anthropology | 17 | 156 | 764 | 1059 |
| 407 | Computer Graphics | 16 | 156 | 720 | 1216 |
| 407 | Bioenergetics | 5 | 156 | 756 | 847 |
| 407 | Neurotoxicology | 6 | 156 | 421 | 564 |
| 407 | Pesticides | 6 | 156 | 492 | 434 |
| 412 | Neurotransmitters | 1 | 155 | 1199 | 390 |
| 412 | Medical innovations | 1 | 155 | 2248 | 1858 |
| 414 | Phylogeny | 2 | 154 | 1316 | 1014 |
| 415 | Bioremediation | 4 | 153 | 758 | 697 |
| 415 | Mechanics | 4 | 153 | 1397 | 797 |
| 417 | Mites | 19 | 152 | 110 | 199 |
| 418 | vibration | 4 | 151 | 1269 | 916 |
| 418 | Cerebral cortex | 1 | 151 | 1680 | 1083 |
| 420 | Intelligent Transportation Systems | 3 | 150 | 850 | 483 |
| 421 | histological techniques | 1 | 149 | 1461 | 895 |
| 422 | Infections | 6 | 148 | 1063 | 1545 |
| 423 | Nephrology | 2 | 147 | 946 | 778 |
| 423 | Process Control | 7 | 147 | 557 | 1022 |
| 425 | Public Administration | 21 | 145 | 502 | 868 |
| 426 | Soil Mechanics | 9 | 144 | 700 | 964 |
| 426 | Sustainable Engineering | 5 | 144 | 1457 | 1625 |
| 428 | Apoptosis | 5 | 143 | 178 | 228 |
| 428 | neurotoxins | 5 | 143 | 178 | 228 |
| 428 | Neurotoxic agents | 5 | 143 | 178 | 228 |
| 428 | Group decision making | 8 | 143 | 252 | 356 |
| 428 | Nitric oxide | 6 | 143 | 206 | 272 |
| 428 | Nerve regeneration | 5 | 143 | 178 | 228 |
| 434 | Biogeography | 8 | 142 | 692 | 1301 |
| 434 | Biopharmaceutics | 8 | 142 | 818 | 1247 |
| 434 | Structural dynamics | 2 | 142 | 1432 | 1011 |
| 437 | Neuropsychiatry | 3 | 141 | 1150 | 935 |
| 437 | Geriatric Psychiatry | 3 | 141 | 1416 | 1122 |
| 437 | epilepsy | 9 | 141 | 649 | 921 |
| 437 | Sports | 22 | 141 | 857 | 1523 |
| 437 | livestock | 7 | 141 | 406 | 295 |
| 442 | Organometallic chemistry | 5 | 140 | 1816 | 1411 |
| 443 | Mineralogy | 7 | 138 | 1080 | 1171 |
| 443 | Australia | 14 | 138 | 938 | 1438 |
| 443 | Exercise | 18 | 138 | 501 | 1000 |
| 446 | Host-parasite interactions | 4 | 137 | 1393 | 1937 |
| 446 | Cognition | 10 | 137 | 1085 | 1676 |
| 448 | Women's health | 7 | 136 | 989 | 1147 |
| 449 | Marine biodiversity | 14 | 135 | 70 | 114 |
| 449 | Multimedia Systems | 5 | 135 | 1508 | 985 |
| 451 | Green Technology | 1 | 134 | 1071 | 232 |
| 452 | Graph Theory | 14 | 133 | 325 | 347 |
| 452 | South America | 26 | 133 | 29 | 30 |
| 454 | Computer Vision | 3 | 132 | 1375 | 1294 |
| 455 | Biometrics | 1 | 131 | 2136 | 985 |
| 456 | civilization | 38 | 130 | 263 | 218 |
| 456 | Recycling | 1 | 130 | 1228 | 955 |
| 458 | Computer Science | 18 | 129 | 805 | 1447 |
| 459 | Pathology | 13 | 125 | 1536 | 2849 |
| 460 | Travel | 6 | 124 | 689 | 646 |
| 461 | Probiotics | 7 | 123 | 60 | 109 |
| 461 | Bacterial infections | 5 | 123 | 864 | 1340 |
| 463 | Continental shelf | 4 | 122 | 398 | 451 |
| 464 | Community Psychiatry | 5 | 121 | 954 | 1170 |
| 464 | Immunity | 5 | 121 | 1994 | 2973 |
| 466 | Histology | 7 | 119 | 1566 | 2197 |
| 466 | Hematology | 22 | 119 | 1944 | 3332 |
| 466 | Genetic Toxicology | 6 | 119 | 319 | 649 |
| 466 | Chromosomes | 6 | 119 | 861 | 1235 |
| 470 | Computational Biology | 8 | 118 | 2321 | 3112 |
| 471 | Psychiatric Epidemiology | 4 | 117 | 527 | 689 |
| 472 | wind erosion | 2 | 116 | 159 | 136 |
| 472 | Pituitary gland | 2 | 116 | 338 | 238 |
| 474 | Medical Laboratory Science | 4 | 115 | 2297 | 2493 |
| 474 | Astrophysics | 15 | 115 | 2065 | 2957 |
| 474 | Differential Equations | 8 | 115 | 645 | 669 |
| 474 | behavioral medicine | 5 | 115 | 1236 | 1741 |
| 474 | Animal health | 27 | 115 | 78 | 220 |
| 474 | food contamination | 7 | 115 | 710 | 843 |
| 480 | Virulence | 3 | 114 | 1485 | 1981 |
| 481 | Meteorology | 10 | 113 | 1621 | 2870 |
| 481 | Neuropharmacology | 3 | 113 | 705 | 667 |
| 483 | Hazardous waste | 5 | 112 | 758 | 1341 |
| 484 | Urology | 10 | 111 | 1430 | 2175 |
| 484 | Plant Genetics | 4 | 111 | 703 | 977 |
| 484 | Quantum electronics | 10 | 111 | 517 | 575 |
| 484 | Optoelectronic devices | 10 | 111 | 395 | 421 |
| 484 | radioactive waste | 4 | 111 | 723 | 1273 |
| 484 | industrial waste | 4 | 111 | 761 | 1277 |
| 490 | Fracture mechanics | 9 | 110 | 923 | 1310 |
| 491 | Mass Spectrometry | 3 | 109 | 1531 | 1293 |
| 491 | Exercise therapy | 8 | 109 | 160 | 251 |
| 491 | Diabetes | 5 | 109 | 2309 | 3034 |
| 494 | Ethnobotany | 2 | 108 | 332 | 254 |
| 494 | Long-Term Care | 3 | 108 | 684 | 717 |
| 494 | Long-term care facilities | 3 | 108 | 677 | 713 |
| 494 | Traditional medicine | 2 | 108 | 469 | 294 |
| 494 | ethnobiology | 2 | 108 | 371 | 287 |
| 494 | personality | 7 | 108 | 1008 | 1641 |
| 494 | Ethnomedicine | 2 | 108 | 266 | 246 |
| 501 | Diagnostic Imaging | 2 | 107 | 3233 | 2161 |
| 502 | Magnetic Materials | 5 | 106 | 1336 | 1456 |
| 502 | Planets | 4 | 106 | 1635 | 2029 |
| 504 | Carcinogenesis | 3 | 105 | 1329 | 1475 |
| 504 | System analysis | 12 | 105 | 1411 | 2243 |
| 504 | Japan | 7 | 105 | 1696 | 1694 |
| 507 | Mechanical Engineering | 16 | 104 | 1256 | 1856 |
| 507 | Health | 19 | 104 | 1004 | 2600 |
| 507 | animal diseases | 1 | 104 | 1044 | 460 |
| 507 | Evolution | 9 | 104 | 1338 | 2374 |
| 511 | Ecohydrology | 3 | 103 | 418 | 330 |
| 512 | Ecological Engineering | 3 | 102 | 766 | 901 |
| 512 | Economic Development | 234 | 102 | 23 | 1968 |
| 512 | Fractals | 9 | 102 | 700 | 1061 |
| 515 | Systems Biology | 3 | 101 | 2115 | 1878 |
| 515 | Ceramic materials | 7 | 101 | 969 | 1291 |
| 515 | Product life cycle | 5 | 101 | 241 | 411 |
| 515 | green products | 5 | 101 | 215 | 403 |
| 515 | city planning | 16 | 101 | 690 | 1463 |
| 515 | Catalysts | 4 | 101 | 649 | 658 |
| 521 | Software Engineering | 15 | 99 | 409 | 775 |
| 521 | Adhesion | 16 | 99 | 132 | 544 |
| 521 | Algal blooms | 2 | 99 | 448 | 458 |
| 521 | adhesives | 16 | 99 | 146 | 549 |
| 521 | Cyanobacteria | 2 | 99 | 448 | 458 |
| 521 | Insects | 11 | 99 | 898 | 1378 |
| 521 | Metals | 8 | 99 | 1709 | 2276 |
| 521 | microalgae | 2 | 99 | 448 | 458 |
| 529 | Physical fitness | 9 | 98 | 667 | 1158 |
| 529 | Membranes | 4 | 98 | 1877 | 2355 |
| 529 | Pregnancy | 7 | 98 | 603 | 910 |
| 532 | Health Services Administration | 4 | 97 | 1172 | 1242 |
| 532 | health workforce | 2 | 97 | 297 | 296 |
| 532 | Fiber Optics | 11 | 97 | 214 | 304 |
| 532 | machinery | 15 | 97 | 238 | 673 |
| 536 | Corporate Social Responsibility | 3 | 96 | 284 | 453 |
| 536 | environmental auditing | 3 | 96 | 300 | 456 |
| 536 | Ocean Engineering | 3 | 96 | 1827 | 1751 |
| 536 | Astrocytes | 1 | 96 | 1011 | 895 |
| 540 | Materials Engineering | 3 | 95 | 859 | 494 |
| 540 | Solitons | 6 | 95 | 797 | 1008 |
| 540 | Cardiovascular diseases | 3 | 95 | 2129 | 1800 |
| 540 | Chaos | 6 | 95 | 797 | 1008 |
| 544 | Comparative Physiology | 4 | 94 | 854 | 957 |
| 544 | Plant Morphology | 11 | 94 | 241 | 541 |
| 544 | Gene expression regulation | 5 | 94 | 974 | 1405 |
| 547 | healthcare disparities | 5 | 93 | 418 | 532 |
| 547 | Genetic regulation | 4 | 93 | 1332 | 1794 |
| 547 | food industry | 11 | 93 | 193 | 505 |
| 550 | Horticulture | 7 | 91 | 537 | 697 |
| 550 | economic conditions | 225 | 91 | 7 | 600 |
| 550 | economic analysis | 225 | 91 | 1 | 197 |
| 550 | amino acids | 3 | 91 | 709 | 764 |
| 554 | Plant genetic engineering | 2 | 90 | 1351 | 1290 |
| 554 | Immunotoxicology | 1 | 90 | 770 | 263 |
| 554 | Combinatorial analysis | 18 | 90 | 442 | 668 |
| 557 | environmental indicators | 4 | 89 | 1144 | 1592 |
| 557 | Health promotion | 7 | 89 | 1191 | 1866 |
| 559 | Edible plants | 3 | 88 | 232 | 294 |
| 559 | Quality of life | 6 | 88 | 1258 | 2079 |
| 561 | Ticks | 10 | 87 | 123 | 280 |
| 562 | Evolutionary Genetics | 4 | 86 | 679 | 869 |
| 562 | Molecular Epidemiology | 4 | 86 | 679 | 869 |
| 562 | Electrophysiology | 4 | 86 | 1335 | 1218 |
| 565 | Marine Biotechnology | 2 | 85 | 347 | 332 |
| 565 | Food Microbiology | 6 | 85 | 1040 | 2001 |
| 565 | Teaching | 19 | 85 | 637 | 1569 |
| 565 | Steroids | 5 | 85 | 981 | 1291 |
| 569 | Combinatorial chemistry | 2 | 84 | 1337 | 1296 |
| 569 | Animal husbandry | 2 | 84 | 557 | 326 |
| 571 | Chemical processes | 6 | 83 | 457 | 589 |
| 571 | Acarology | 9 | 83 | 123 | 294 |
| 571 | Acari | 9 | 83 | 113 | 288 |
| 574 | Developing countries | 9 | 82 | 1577 | 2721 |
| 575 | Traffic Engineering | 8 | 81 | 204 | 539 |
| 575 | Dynamics | 5 | 81 | 1667 | 1526 |
| 575 | preventive medicine | 3 | 81 | 1770 | 1969 |
| 575 | Antibacterial agents | 6 | 81 | 548 | 1127 |
| 575 | Molecular ecology | 2 | 81 | 1613 | 1906 |
| 580 | Medical genetics | 5 | 80 | 2929 | 4272 |
| 581 | Business | 5 | 79 | 2052 | 2476 |
| 581 | Work | 14 | 79 | 95 | 343 |
| 583 | Data Mining | 7 | 78 | 1180 | 2240 |
| 584 | Diabetes mellitus | 4 | 77 | 2455 | 3367 |
| 584 | Child | 8 | 77 | 2007 | 3007 |
| 586 | Structural optimization | 5 | 76 | 271 | 415 |
| 586 | fertility | 5 | 76 | 1210 | 1682 |
| 588 | Chemical Ecology | 3 | 75 | 638 | 817 |
| 588 | pheromones | 3 | 75 | 578 | 785 |
| 588 | cycles | 10 | 75 | 42 | 60 |
| 591 | Algebra | 20 | 74 | 670 | 989 |
| 591 | Animal Nutrition | 9 | 74 | 337 | 635 |
| 591 | Control Theory | 8 | 74 | 1214 | 1541 |
| 591 | Photochemistry | 8 | 74 | 1282 | 2252 |
| 591 | Antioxidants | 4 | 74 | 789 | 1450 |
| 591 | Geodynamics | 2 | 74 | 1149 | 1091 |
| 591 | gastrointestinal tract | 2 | 74 | 463 | 585 |
| 598 | Linguistics | 89 | 73 | 150 | 1224 |
| 598 | animals | 9 | 73 | 814 | 1305 |
| 598 | Water chemistry | 3 | 73 | 357 | 343 |
| 598 | Ore deposits | 2 | 73 | 713 | 632 |
| 602 | Structural Engineering | 8 | 72 | 1147 | 1671 |
| 602 | pain management | 4 | 72 | 718 | 897 |
| 604 | Systems Engineering | 5 | 71 | 1962 | 2052 |
| 604 | Dentistry | 8 | 71 | 514 | 683 |
| 604 | Sustainable Development | 12 | 71 | 1025 | 2762 |
| 604 | Tribology | 3 | 71 | 1422 | 1333 |
| 604 | Quantum Chemistry | 6 | 71 | 718 | 781 |
| 604 | Randomized Controlled Trials | 3 | 71 | 1565 | 1358 |
| 604 | body temperature | 3 | 71 | 534 | 551 |
| 604 | biochemical markers | 3 | 71 | 1061 | 1039 |
| 612 | poverty | 3 | 70 | 455 | 537 |
| 612 | Socioeconomic Factors | 3 | 70 | 940 | 1106 |
| 612 | probabilities | 11 | 70 | 766 | 1038 |
| 612 | Cerebellum | 8 | 70 | 141 | 450 |
| 612 | Cerebellar ataxia | 8 | 70 | 141 | 450 |
| 617 | starch | 4 | 69 | 371 | 427 |
| 617 | drug evaluation | 5 | 69 | 1288 | 1840 |
| 619 | Econometrics | 6 | 68 | 1108 | 1378 |
| 619 | Greenhouse gases | 1 | 68 | 735 | 591 |
| 619 | Building | 28 | 68 | 153 | 564 |
| 619 | free radicals | 3 | 68 | 1830 | 2404 |
| 619 | drug development | 3 | 68 | 1376 | 2286 |
| 619 | vitamin C | 3 | 68 | 462 | 751 |
| 619 | vitamin E | 3 | 68 | 462 | 751 |
| 626 | Biomarkers | 2 | 67 | 722 | 501 |
| 626 | breastfeeding | 2 | 67 | 833 | 700 |
| 628 | Social Sciences | 59 | 66 | 672 | 3442 |
| 628 | Physical organic chemistry | 2 | 66 | 1941 | 1665 |
| 628 | Infertility | 4 | 66 | 1248 | 1670 |
| 631 | Integrative Medicine | 3 | 65 | 352 | 233 |
| 631 | Holistic Health | 3 | 65 | 522 | 483 |
| 631 | X-ray crystallography | 12 | 65 | 300 | 627 |
| 631 | Fuzzy systems | 4 | 65 | 1716 | 1559 |
| 635 | Particle Physics | 13 | 64 | 347 | 726 |
| 635 | Structural biology | 1 | 64 | 210 | 156 |
| 635 | Electrocardiography | 2 | 64 | 680 | 374 |
| 635 | Radio wave propagation | 3 | 64 | 945 | 779 |
| 639 | Chemical Oceanography | 3 | 63 | 350 | 587 |
| 639 | analysis | 2 | 63 | 465 | 479 |
| 641 | women | 14 | 62 | 274 | 718 |
| 642 | Biosensors | 1 | 61 | 2391 | 2421 |
| 642 | bioclimatology | 6 | 61 | 683 | 1275 |
| 642 | Water quality | 2 | 61 | 358 | 281 |
| 642 | data collection | 3 | 61 | 1399 | 1890 |
| 642 | Alloys | 4 | 61 | 234 | 177 |
| 642 | Bioelectronics | 1 | 61 | 2094 | 2220 |
| 642 | Educational evaluation | 19 | 61 | 19 | 163 |
| 649 | Population Genetics | 3 | 60 | 1495 | 2101 |
| 649 | soil management | 4 | 60 | 526 | 978 |
| 649 | micromechanics | 3 | 60 | 669 | 810 |
| 652 | Physical Geography | 14 | 59 | 175 | 673 |
| 652 | Photobiology | 7 | 59 | 998 | 1949 |
| 652 | synthesis | 3 | 59 | 1271 | 1041 |
| 655 | Political Science | 21 | 58 | 748 | 1584 |
| 655 | Pharmacogenetics | 2 | 58 | 1733 | 1937 |
| 655 | Human Geography | 18 | 58 | 427 | 1239 |
| 655 | industrial hygiene | 9 | 58 | 653 | 1147 |
| 655 | Welding | 13 | 58 | 99 | 174 |
| 660 | Global Health | 7 | 57 | 755 | 1349 |
| 660 | Soil biology | 5 | 57 | 828 | 1597 |
| 660 | Library Science | 18 | 57 | 413 | 915 |
| 660 | weather | 5 | 57 | 460 | 930 |
| 664 | Health Services Research | 7 | 56 | 1401 | 2526 |
| 664 | Remote Sensing | 4 | 56 | 1571 | 1510 |
| 664 | Calculus of Variations | 10 | 56 | 251 | 470 |
| 664 | Mental Health Services | 2 | 56 | 2089 | 1827 |
| 664 | management | 15 | 56 | 1784 | 4198 |
| 664 | tillage | 3 | 56 | 476 | 866 |
| 670 | Educational Sociology | 8 | 55 | 151 | 400 |
| 670 | microwave antennas | 2 | 55 | 610 | 432 |
| 670 | Immunochemistry | 3 | 55 | 1364 | 1530 |
| 670 | Developmental Immunology | 5 | 55 | 717 | 1375 |
| 674 | Developmental Neurobiology | 1 | 54 | 1238 | 846 |
| 674 | Hydrocarbons | 2 | 54 | 180 | 123 |
| 674 | child abuse | 1 | 54 | 1708 | 1411 |
| 677 | Stochastic Processes | 5 | 53 | 790 | 1018 |
| 677 | Adolescent | 6 | 53 | 1977 | 3002 |
| 677 | Transplantation | 6 | 53 | 1187 | 2089 |
| 680 | Database Management | 6 | 52 | 642 | 1089 |
| 680 | Alkaloids | 1 | 52 | 70 | 35 |
| 680 | Research Design | 6 | 52 | 1062 | 2072 |
| 680 | Public opinion | 4 | 52 | 383 | 652 |
| 680 | Pathogens | 6 | 52 | 34 | 146 |
| 680 | public opinion polls | 4 | 52 | 63 | 76 |
| 680 | Mollusks | 3 | 52 | 257 | 202 |
| 687 | Optical Communications | 6 | 51 | 429 | 723 |
| 687 | Production Engineering | 10 | 51 | 1191 | 2308 |
| 687 | Regional Planning | 17 | 51 | 674 | 1938 |
| 687 | Integrated Optics | 6 | 51 | 30 | 29 |
| 687 | Radiation | 7 | 51 | 1828 | 2874 |
| 687 | Biogeochemistry | 2 | 51 | 1581 | 1966 |
| 687 | Child Development | 8 | 51 | 1486 | 3038 |
| 687 | Climate | 4 | 51 | 591 | 1099 |
| 695 | Urban Policy | 13 | 50 | 254 | 1254 |
| 695 | Optoelectronics | 6 | 50 | 388 | 496 |
| 695 | atmosphere | 4 | 50 | 817 | 1317 |
| 698 | Crystallization | 10 | 49 | 256 | 558 |
| 698 | Chemical industry | 3 | 49 | 1647 | 1643 |
| 698 | Yeast | 1 | 49 | 931 | 812 |
| 698 | Growth | 6 | 49 | 1067 | 2329 |
| 702 | Pharmacogenomics | 1 | 48 | 803 | 718 |
| 702 | Transnational corporations | 1 | 48 | 756 | 528 |
| 702 | Drug delivery systems | 6 | 48 | 1249 | 2621 |
| 702 | Business Ethics | 1 | 48 | 1648 | 1607 |
| 702 | International Finance | 1 | 48 | 2659 | 2052 |
| 702 | Neuroplasticity | 2 | 48 | 579 | 708 |
| 702 | neuronal plasticity | 2 | 48 | 484 | 649 |
| 702 | reasoning | 1 | 48 | 850 | 526 |
| 710 | Telemedicine | 5 | 47 | 298 | 814 |
| 711 | Journalism | 3 | 46 | 629 | 516 |
| 711 | Forest Ecology | 6 | 46 | 871 | 1786 |
| 711 | Entropy | 6 | 46 | 777 | 1316 |
| 714 | Cognitive Science | 4 | 45 | 1546 | 2434 |
| 714 | Environmental Geochemistry | 4 | 45 | 457 | 906 |
| 714 | mass transfer | 1 | 45 | 2812 | 2413 |
| 714 | Hypertension in pregnancy | 3 | 45 | 365 | 242 |
| 714 | health planning | 5 | 45 | 2075 | 3117 |
| 714 | Minerals | 4 | 45 | 736 | 1241 |
| 720 | Rock Mechanics | 9 | 44 | 552 | 1298 |
| 720 | Atmospheric Physics | 2 | 44 | 2224 | 2456 |
| 720 | Primary health care | 5 | 44 | 1776 | 2883 |
| 720 | economic policy | 27 | 44 | 788 | 2655 |
| 720 | Sexual health | 14 | 44 | 336 | 1091 |
| 725 | Civil Engineering | 6 | 43 | 1420 | 1752 |
| 725 | Cartography | 16 | 43 | 130 | 525 |
| 725 | Paleobiology | 4 | 43 | 341 | 391 |
| 725 | Respiratory system | 1 | 43 | 1308 | 1210 |
| 725 | Social behavior | 9 | 43 | 726 | 1938 |
| 725 | Sociobiology | 9 | 43 | 110 | 376 |
| 731 | Applied Linguistics | 23 | 42 | 105 | 684 |
| 731 | Clinical Immunology | 3 | 42 | 1725 | 2305 |
| 731 | glycoproteins | 4 | 42 | 472 | 999 |
| 731 | Glycoconjugates | 4 | 42 | 472 | 999 |
| 731 | water supply | 2 | 42 | 1360 | 1690 |
| 731 | glycolipids | 4 | 42 | 472 | 999 |
| 737 | Earthquake Engineering | 1 | 41 | 2081 | 1887 |
| 737 | Molecular Microbiology | 1 | 41 | 1723 | 1970 |
| 737 | Cross-Cultural Studies | 2 | 41 | 1009 | 1102 |
| 737 | Wetland conservation | 2 | 41 | 496 | 577 |
| 737 | Iron | 2 | 41 | 603 | 579 |
| 737 | cross-cultural comparison | 2 | 41 | 815 | 865 |
| 737 | urban forestry | 4 | 41 | 195 | 492 |
| 737 | Bacterial diseases | 1 | 41 | 635 | 596 |
| 737 | Wetlands | 2 | 41 | 509 | 579 |
| 746 | Robotics | 4 | 40 | 1680 | 2334 |
| 746 | Pediatric Dermatology | 2 | 40 | 737 | 708 |
| 746 | Political Sociology | 5 | 40 | 351 | 591 |
| 746 | Geographic information systems | 4 | 40 | 1113 | 1475 |
| 746 | Wireless Communication | 2 | 40 | 662 | 557 |
| 746 | Chemical kinetics | 4 | 40 | 740 | 851 |
| 746 | Forest Management | 4 | 40 | 1042 | 1796 |
| 753 | Embryology | 4 | 39 | 1750 | 2890 |
| 753 | Computational Linguistics | 4 | 39 | 499 | 599 |
| 753 | Ichthyology | 4 | 39 | 476 | 615 |
| 753 | biobanks | 3 | 39 | 151 | 225 |
| 753 | hazard mitigation | 4 | 39 | 886 | 1631 |
| 753 | Asia | 4 | 39 | 3101 | 3675 |
| 753 | Carbohydrates | 4 | 39 | 445 | 963 |
| 753 | Sedimentary rocks | 1 | 39 | 1065 | 986 |
| 753 | natural disasters | 4 | 39 | 1294 | 2242 |
| 753 | Fish | 4 | 39 | 358 | 518 |
| 763 | Sedimentology | 1 | 38 | 1258 | 1126 |
| 763 | older people | 5 | 38 | 1636 | 2170 |
| 763 | drug addiction | 1 | 38 | 2282 | 2188 |
| 763 | alcoholism | 1 | 38 | 2944 | 2674 |
| 767 | Ecological Genetics | 4 | 37 | 653 | 1017 |
| 767 | Geodesy | 1 | 37 | 1560 | 1217 |
| 767 | Argentina | 8 | 37 | 113 | 93 |
| 770 | Photonics | 2 | 36 | 2365 | 2784 |
| 770 | Feminism | 6 | 36 | 405 | 730 |
| 770 | dietary supplements | 2 | 36 | 1185 | 1615 |
| 770 | shellfish | 3 | 36 | 208 | 304 |
| 770 | drug toxicity | 2 | 36 | 725 | 1078 |
| 775 | Surgery | 2 | 35 | 3141 | 3702 |
| 775 | Biogeochemical cycles | 1 | 35 | 838 | 1120 |
| 775 | Computer-Aided Design | 4 | 35 | 1259 | 2002 |
| 775 | Oligosaccharide | 3 | 35 | 369 | 823 |
| 775 | Biomolecules | 2 | 35 | 695 | 1111 |
| 775 | Marine mammals | 2 | 35 | 438 | 521 |
| 781 | Molecular Pharmacology | 2 | 34 | 1206 | 1818 |
| 781 | History of Medicine | 13 | 34 | 208 | 351 |
| 781 | Obesity | 2 | 34 | 3093 | 4034 |
| 784 | Naval Architecture | 2 | 33 | 464 | 453 |
| 784 | Algorithms | 3 | 33 | 844 | 1000 |
| 784 | Animal ecology | 6 | 33 | 983 | 1962 |
| 784 | Hormones | 5 | 33 | 1332 | 2658 |
| 784 | Safety management | 8 | 33 | 259 | 1003 |
| 784 | immunoassay | 1 | 33 | 529 | 289 |
| 790 | History | 20 | 32 | 455 | 611 |
| 790 | Mobile Computing | 5 | 32 | 972 | 1515 |
| 790 | School Psychology | 1 | 32 | 904 | 841 |
| 790 | Neurodegenerative Diseases | 1 | 32 | 3 | 9 |
| 790 | commerce | 3 | 32 | 1897 | 2320 |
| 790 | school psychologists | 1 | 32 | 402 | 443 |
| 790 | packaging | 2 | 32 | 186 | 275 |
| 797 | Philosophy | 43 | 31 | 443 | 1281 |
| 797 | Neurobiology | 5 | 31 | 1799 | 3556 |
| 797 | Chemotherapy | 2 | 31 | 2411 | 2947 |
| 797 | Restoration Ecology | 5 | 31 | 359 | 947 |
| 797 | symbiosis | 3 | 31 | 130 | 331 |
| 797 | Biotransformation | 3 | 31 | 117 | 217 |
| 797 | Neuromuscular diseases | 2 | 31 | 1077 | 1454 |
| 797 | Muscles | 2 | 31 | 1396 | 1986 |
| 805 | Transportation Engineering | 4 | 30 | 303 | 672 |
| 805 | Organizational Sociology | 5 | 30 | 254 | 608 |
| 805 | Signal Transduction | 2 | 30 | 2091 | 2897 |
| 808 | Orthopedics | 1 | 29 | 3048 | 2884 |
| 808 | Energy Conversion | 1 | 29 | 2049 | 2265 |
| 808 | Orthopedic Surgery | 1 | 29 | 1801 | 1687 |
| 808 | embryonic development | 3 | 29 | 497 | 982 |
| 808 | Animal genetics | 4 | 29 | 585 | 1153 |
| 808 | Erosion | 2 | 29 | 118 | 276 |
| 808 | antibiotics | 1 | 29 | 854 | 872 |
| 815 | Food Science | 4 | 28 | 131 | 288 |
| 815 | Applied Mathematics | 4 | 28 | 967 | 878 |
| 815 | Agricultural Biotechnology | 2 | 28 | 479 | 321 |
| 815 | Microstructure | 11 | 28 | 366 | 1342 |
| 815 | herbs | 2 | 28 | 99 | 109 |
| 820 | Clinical Trials | 2 | 27 | 972 | 1280 |
| 820 | Ethics | 6 | 27 | 764 | 1633 |
| 820 | Corporate governance | 2 | 27 | 858 | 1186 |
| 820 | Securities | 2 | 27 | 495 | 718 |
| 820 | rare diseases | 4 | 27 | 726 | 1501 |
| 820 | stocks | 2 | 27 | 189 | 441 |
| 826 | Plant Biotechnology | 2 | 26 | 1186 | 1606 |
| 826 | Topology | 2 | 26 | 471 | 406 |
| 826 | Human-Computer Interaction | 2 | 26 | 2191 | 2747 |
| 826 | water resources | 1 | 26 | 462 | 331 |
| 826 | Agricultural systems | 1 | 26 | 703 | 925 |
| 826 | carbon monoxide | 1 | 26 | 737 | 950 |
| 832 | Geriatric Pharmacology | 1 | 25 | 746 | 830 |
| 832 | Ecophysiology | 4 | 25 | 174 | 591 |
| 832 | Mental Health | 3 | 25 | 2101 | 3129 |
| 832 | Human Rights | 1 | 25 | 1253 | 931 |
| 832 | reforestation | 1 | 25 | 368 | 371 |
| 832 | transgenic organisms | 1 | 25 | 657 | 827 |
| 832 | transgenic animals | 1 | 25 | 622 | 797 |
| 832 | Social Entrepreneurship | 1 | 25 | 330 | 354 |
| 832 | Synchrotron Radiation | 3 | 25 | 476 | 753 |
| 832 | Bioinformatics | 1 | 25 | 3992 | 4004 |
| 832 | Transgenic plants | 1 | 25 | 1047 | 1274 |
| 832 | Elderly | 1 | 25 | 2615 | 1651 |
| 832 | Mesoporous materials | 1 | 25 | 190 | 232 |
| 832 | Paleopathology | 1 | 25 | 657 | 526 |
| 832 | afforestation | 1 | 25 | 368 | 371 |
| 832 | indoor air pollution | 1 | 25 | 901 | 1015 |
| 832 | Ventilation | 1 | 25 | 1187 | 1190 |
| 832 | Sick building syndrome | 1 | 25 | 901 | 1015 |
| 832 | Fluorescence | 2 | 25 | 713 | 813 |
| 851 | Human genetics | 1 | 24 | 4070 | 5105 |
| 851 | Andrology | 2 | 24 | 1034 | 1456 |
| 851 | Petrology | 2 | 24 | 1198 | 1517 |
| 851 | Neurovirology | 2 | 24 | 400 | 690 |
| 851 | Nonlinear Optics | 3 | 24 | 301 | 415 |
| 851 | school sports | 3 | 24 | 131 | 277 |
| 851 | Quantum theory | 2 | 24 | 1270 | 1470 |
| 851 | recreation | 4 | 24 | 648 | 1015 |
| 859 | Otolaryngology | 1 | 23 | 1317 | 1277 |
| 859 | Hydraulic Engineering | 2 | 23 | 1394 | 1733 |
| 859 | violence | 3 | 23 | 1120 | 1929 |
| 859 | sex crimes | 3 | 23 | 690 | 1227 |
| 863 | Political Economy | 3 | 22 | 160 | 211 |
| 863 | Industrial Safety | 2 | 22 | 1851 | 2312 |
| 863 | Radioisotopes | 2 | 22 | 1923 | 2109 |
| 866 | Oral Medicine | 7 | 21 | 440 | 1175 |
| 866 | Hypertension | 3 | 21 | 2142 | 3569 |
| 866 | Combinatorial optimization | 5 | 21 | 377 | 752 |
| 866 | herbicides | 6 | 21 | 216 | 632 |
| 866 | Bones | 2 | 21 | 1450 | 2112 |
| 871 | Radiology | 2 | 20 | 2583 | 2958 |
| 871 | Food Safety | 1 | 20 | 624 | 661 |
| 871 | Discrete Mathematics | 6 | 20 | 215 | 378 |
| 871 | Erectile dysfunction | 2 | 20 | 429 | 668 |
| 871 | Enzyme inhibitors | 2 | 20 | 561 | 999 |
| 871 | Neuroimmunology | 2 | 20 | 1164 | 2012 |
| 871 | Reproductive toxicology | 3 | 20 | 625 | 1290 |
| 871 | air quality | 1 | 20 | 653 | 698 |
| 871 | graph | 6 | 20 | 215 | 378 |
| 871 | Algae | 2 | 20 | 1039 | 1495 |
| 871 | Seaweed | 3 | 20 | 681 | 1300 |
| 882 | Requirements Engineering | 3 | 19 | 67 | 253 |
| 882 | Nanoelectronics | 4 | 19 | 887 | 1500 |
| 882 | Number Theory | 6 | 19 | 662 | 1017 |
| 882 | Precision medicine | 1 | 19 | 558 | 553 |
| 882 | Artificial Organs | 1 | 19 | 1465 | 1385 |
| 882 | Adaptive control systems | 2 | 19 | 808 | 1063 |
| 882 | Computational Complexity | 2 | 19 | 1513 | 1758 |
| 882 | Beetles | 2 | 19 | 234 | 154 |
| 882 | Semiconductor industry | 4 | 19 | 663 | 1258 |
| 891 | Databases | 3 | 18 | 417 | 711 |
| 891 | Nuclear Chemistry | 4 | 18 | 1201 | 1859 |
| 891 | nutrition policy | 5 | 18 | 40 | 189 |
| 891 | Mass Media | 28 | 18 | 206 | 1100 |
| 891 | Cosmochemistry | 3 | 18 | 1098 | 2045 |
| 891 | Human Resources | 1 | 18 | 864 | 1193 |
| 891 | investigative techniques | 1 | 18 | 354 | 537 |
| 898 | Astronomy | 4 | 17 | 2914 | 4471 |
| 898 | Asthma | 2 | 17 | 1186 | 1779 |
| 898 | Social Movements | 14 | 17 | 19 | 293 |
| 898 | Social Psychology | 5 | 17 | 1922 | 4199 |
| 898 | Electron Microscopy | 1 | 17 | 890 | 953 |
| 898 | Navier-Stokes equations | 1 | 17 | 319 | 261 |
| 898 | silicon | 1 | 17 | 883 | 798 |
| 905 | Occupational Therapy | 2 | 16 | 1635 | 1982 |
| 905 | Agricultural Engineering | 1 | 16 | 1088 | 1177 |
| 905 | Serology | 2 | 16 | 826 | 1353 |
| 905 | Plant Taxonomy | 3 | 16 | 498 | 891 |
| 905 | Palynology | 1 | 16 | 568 | 573 |
| 905 | physical therapy techniques | 1 | 16 | 385 | 333 |
| 905 | Freeze-Drying | 2 | 16 | 814 | 1134 |
| 905 | Hypothermia | 2 | 16 | 814 | 1134 |
| 905 | Freeze Drying | 2 | 16 | 814 | 1134 |
| 905 | Groundwater | 2 | 16 | 1043 | 1577 |
| 905 | Bacteria | 1 | 16 | 829 | 1219 |
| 905 | libraries | 7 | 16 | 519 | 997 |
| 917 | Geotechnical Engineering | 7 | 15 | 335 | 1092 |
| 917 | Conservation Biology | 3 | 15 | 1420 | 2676 |
| 917 | Wildlife conservation | 5 | 15 | 1121 | 2879 |
| 917 | Radiobiology | 1 | 15 | 3340 | 3322 |
| 917 | Gerontology | 1 | 15 | 3914 | 3846 |
| 917 | Ubiquitous computing | 3 | 15 | 231 | 396 |
| 917 | Spectroscopy | 1 | 15 | 536 | 339 |
| 917 | Light | 1 | 15 | 1979 | 2508 |
| 917 | Detectors | 3 | 15 | 1133 | 1907 |
| 917 | Navigation | 1 | 15 | 904 | 829 |
| 927 | Digital electronics | 2 | 14 | 481 | 627 |
| 927 | Total Quality Management | 1 | 14 | 1201 | 1453 |
| 927 | isomerism | 1 | 14 | 756 | 905 |
| 927 | polar regions | 2 | 14 | 1035 | 1606 |
| 927 | disabilities | 2 | 14 | 1186 | 1909 |
| 927 | Africa | 1 | 14 | 3323 | 3035 |
| 927 | Information society | 2 | 14 | 211 | 483 |
| 927 | Chirality | 1 | 14 | 756 | 905 |
| 935 | Information Theory | 3 | 13 | 1434 | 2238 |
| 935 | Visual Communication | 10 | 13 | 153 | 1022 |
| 935 | Pediatric Neurology | 1 | 13 | 2079 | 2844 |
| 935 | Clinical Biochemistry | 2 | 13 | 2127 | 3056 |
| 935 | air quality management | 1 | 13 | 1240 | 1796 |
| 935 | Infection control | 2 | 13 | 1141 | 2152 |
| 935 | Maternal health services | 5 | 13 | 354 | 1313 |
| 935 | Child welfare | 5 | 13 | 1012 | 2645 |
| 935 | Eating Disorders | 4 | 13 | 917 | 2089 |
| 935 | Ferroelectricity | 5 | 13 | 853 | 1436 |
| 935 | Feeding and Eating Disorders | 4 | 13 | 875 | 2014 |
| 935 | Hospitals | 1 | 13 | 1672 | 1953 |
| 935 | DNA repair | 1 | 13 | 674 | 991 |
| 935 | Reptiles | 3 | 13 | 409 | 690 |
| 949 | Law | 51 | 12 | 260 | 1858 |
| 949 | Public Policy | 1 | 12 | 3661 | 4502 |
| 949 | Herpetology | 2 | 12 | 532 | 751 |
| 949 | Evolutionary Computation | 2 | 12 | 553 | 1109 |
| 949 | econometric models | 1 | 12 | 1171 | 1457 |
| 954 | Kinetics | 1 | 11 | 1117 | 1392 |
| 954 | Machine Learning | 2 | 11 | 568 | 958 |
| 954 | Energy metabolism | 2 | 11 | 935 | 1543 |
| 954 | Helminthology | 2 | 11 | 223 | 371 |
| 954 | Microprocessors | 2 | 11 | 816 | 1328 |
| 954 | Interfaces | 1 | 11 | 732 | 891 |
| 954 | Outdoor recreation | 1 | 11 | 201 | 336 |
| 954 | social conflict | 7 | 11 | 114 | 559 |
| 954 | Matroids | 1 | 11 | 435 | 501 |
| 954 | Helminths | 2 | 11 | 223 | 371 |
| 954 | social control | 7 | 11 | 8 | 8 |
| 954 | ecotourism | 1 | 11 | 502 | 827 |
| 954 | Recombinant DNA | 2 | 11 | 2387 | 3792 |
| 954 | Spain | 8 | 11 | 508 | 1035 |
| 954 | Isotopes | 1 | 11 | 322 | 437 |
| 969 | Fluid Mechanics | 1 | 10 | 3041 | 3469 |
| 969 | Engineering Mathematics | 4 | 10 | 2690 | 4434 |
| 969 | Ceramics | 4 | 10 | 1598 | 3080 |
| 969 | Fuzzy Logic | 1 | 10 | 294 | 418 |
| 969 | Developmental Genetics | 1 | 10 | 1091 | 1636 |
| 969 | Image enhancement | 1 | 10 | 706 | 975 |
| 969 | cooperation | 1 | 10 | 344 | 363 |
| 969 | Happiness | 1 | 10 | 944 | 1361 |
| 969 | gene therapy | 1 | 10 | 2374 | 3194 |
| 969 | philology | 45 | 10 | 94 | 425 |
| 969 | Semiotics | 10 | 10 | 134 | 527 |
| 969 | nucleic acids | 1 | 10 | 3212 | 4111 |
| 969 | DNS | 1 | 10 | 1162 | 1679 |
| 969 | France | 1 | 10 | 924 | 787 |
| 969 | irrigation | 1 | 10 | 746 | 929 |
| 969 | supercritical fluids | 1 | 10 | 764 | 1192 |
| 969 | drainage | 1 | 10 | 632 | 741 |
| 969 | government | 3 | 10 | 905 | 1271 |
| 969 | Genetic therapy | 1 | 10 | 2533 | 3373 |
| 969 | wood | 1 | 10 | 916 | 1100 |
| 969 | DNA | 1 | 10 | 1389 | 1824 |
| 969 | civil service | 3 | 10 | 423 | 884 |
| 969 | Immune system | 1 | 10 | 2145 | 2896 |
| 969 | Genes | 1 | 10 | 2359 | 3064 |
| 993 | Palliative Care | 2 | 9 | 1481 | 2496 |
| 993 | Telecommunications | 2 | 9 | 1203 | 1884 |
| 993 | Forensic Toxicology | 1 | 9 | 151 | 263 |
| 993 | Diffraction | 2 | 9 | 216 | 350 |
| 993 | hospice care | 2 | 9 | 946 | 1809 |
| 993 | nuclear astrophysics | 2 | 9 | 689 | 1084 |
| 993 | Powder Metallurgy | 2 | 9 | 573 | 728 |
| 993 | Noise control | 3 | 9 | 341 | 151 |