| 1 | Astrophysics | 599 | 29.8K | 245 | 316 |
| 2 | Astronomy | 688 | 25.8K | 178 | 269 |
| 3 | Spectrum analysis | 182 | 13.1K | 445 | 393 |
| 4 | Science | 152 | 10.9K | 1230 | 1039 |
| 5 | Chemistry | 403 | 8.4K | 869 | 1256 |
| 6 | Physics | 188 | 8.2K | 1299 | 1325 |
| 7 | Biology | 160 | 7.8K | 1067 | 1231 |
| 8 | Biochemistry | 242 | 7.0K | 1049 | 1124 |
| 9 | Microbiology | 142 | 5.6K | 822 | 880 |
| 10 | Power Electronics | 92 | 5.5K | 93 | 82 |
| 11 | Nuclear Physics | 261 | 5.4K | 606 | 726 |
| 12 | Medicine | 168 | 4.9K | 1211 | 1324 |
| 13 | Molecular Biology | 170 | 4.9K | 1002 | 1218 |
| 14 | Research | 128 | 4.2K | 1211 | 1133 |
| 15 | Natural history | 17 | 3.7K | 1247 | 1076 |
| 16 | Biophysics | 119 | 3.0K | 877 | 984 |
| 17 | Ecology | 64 | 2.6K | 1336 | 1426 |
| 18 | Cell Biology | 60 | 2.6K | 792 | 920 |
| 19 | Biotechnology | 52 | 2.4K | 1357 | 1281 |
| 20 | Human genetics | 3 | 2.4K | 1378 | 767 |
| 21 | Quantum Gravity | 125 | 2.2K | 433 | 573 |
| 22 | Marine Biology | 90 | 2.2K | 344 | 446 |
| 23 | Genomics | 41 | 2.1K | 680 | 511 |
| 24 | Immunology | 40 | 1.6K | 769 | 797 |
| 25 | gene mapping | 20 | 1.6K | 616 | 411 |
| 26 | Chromosome mapping | 19 | 1.6K | 577 | 326 |
| 27 | Bioorganic chemistry | 40 | 1.6K | 704 | 598 |
| 28 | Water pollution | 49 | 1.6K | 553 | 687 |
| 29 | Genetics | 15 | 1.6K | 1433 | 941 |
| 30 | Cytology | 24 | 1.6K | 1355 | 1162 |
| 31 | Neurology | 30 | 1.6K | 1439 | 1250 |
| 32 | Pollution | 43 | 1.5K | 1461 | 1653 |
| 33 | Environment | 30 | 1.5K | 1476 | 1633 |
| 34 | Physiology | 54 | 1.4K | 890 | 1032 |
| 35 | Catalysis | 58 | 1.4K | 961 | 1222 |
| 36 | Physical organic chemistry | 36 | 1.4K | 233 | 136 |
| 37 | Marine Pollution | 30 | 1.4K | 244 | 218 |
| 38 | Molecular structure | 42 | 1.3K | 450 | 477 |
| 39 | Virology | 27 | 1.3K | 819 | 935 |
| 40 | Microbial Ecology | 24 | 1.2K | 686 | 724 |
| 41 | Sports Medicine | 60 | 1.2K | 446 | 548 |
| 42 | Botany | 37 | 1.2K | 1144 | 1183 |
| 43 | environmental pollution | 31 | 1.1K | 1359 | 1467 |
| 44 | Nanostructured Materials | 26 | 823 | 1127 | 1158 |
| 45 | Geophysics | 27 | 810 | 1184 | 1183 |
| 46 | Histology | 13 | 782 | 824 | 582 |
| 47 | cell physiology | 25 | 781 | 413 | 590 |
| 48 | Geology | 47 | 762 | 789 | 976 |
| 49 | Nanotechnology | 20 | 755 | 1991 | 1897 |
| 50 | Automation | 7 | 754 | 1508 | 838 |
| 51 | Neurophysiology | 21 | 751 | 1027 | 1033 |
| 52 | Materials | 19 | 736 | 2485 | 2137 |
| 53 | Environmental Health | 37 | 721 | 1477 | 2045 |
| 54 | Biomedical Engineering | 23 | 705 | 1805 | 1743 |
| 55 | plant molecular biology | 14 | 674 | 626 | 717 |
| 56 | Plant physiology | 17 | 668 | 873 | 907 |
| 57 | Bioengineering | 17 | 661 | 1719 | 1737 |
| 58 | Organic Chemistry | 19 | 644 | 1368 | 1167 |
| 59 | Physical Therapy | 12 | 634 | 553 | 411 |
| 60 | Zoology | 38 | 623 | 648 | 739 |
| 61 | Sports | 39 | 616 | 501 | 656 |
| 62 | Oxidative stress | 8 | 598 | 420 | 380 |
| 63 | Cellular senescence | 7 | 589 | 92 | 120 |
| 64 | Virulence | 6 | 586 | 669 | 584 |
| 65 | Inflammation | 8 | 581 | 574 | 424 |
| 66 | Endocrinology | 12 | 579 | 1243 | 1133 |
| 66 | Plants | 14 | 579 | 900 | 851 |
| 68 | Exercise | 34 | 576 | 280 | 419 |
| 69 | Parasitology | 21 | 572 | 818 | 724 |
| 70 | Psychology | 41 | 552 | 1223 | 1626 |
| 71 | Microbial Biotechnology | 10 | 530 | 360 | 224 |
| 72 | Technology | 12 | 529 | 1838 | 1342 |
| 73 | energy conservation | 8 | 518 | 1260 | 1013 |
| 74 | Critical Care | 12 | 468 | 582 | 708 |
| 74 | Critical Care Medicine | 12 | 468 | 580 | 711 |
| 74 | Biodiversity | 14 | 468 | 924 | 907 |
| 77 | Medical Microbiology | 12 | 465 | 960 | 1048 |
| 78 | electric vehicles | 7 | 457 | 165 | 93 |
| 79 | Neurobiology | 14 | 456 | 738 | 849 |
| 79 | Infections | 3 | 456 | 938 | 544 |
| 81 | Renewable Energy Sources | 4 | 450 | 2296 | 1756 |
| 82 | infection | 2 | 444 | 1543 | 685 |
| 83 | ecosystem | 23 | 420 | 378 | 700 |
| 83 | language | 7 | 420 | 497 | 342 |
| 85 | Linguistics | 11 | 413 | 680 | 443 |
| 86 | Physical Chemistry | 10 | 410 | 1209 | 984 |
| 87 | Public Health | 29 | 403 | 1542 | 2148 |
| 88 | cytokines | 4 | 399 | 944 | 537 |
| 89 | Atmospheric Physics | 7 | 389 | 963 | 774 |
| 89 | hazard mitigation | 6 | 389 | 575 | 319 |
| 89 | natural disasters | 6 | 389 | 884 | 513 |
| 92 | Atmospheric Chemistry | 6 | 388 | 593 | 564 |
| 93 | Food Microbiology | 13 | 382 | 483 | 695 |
| 94 | Aquaculture | 19 | 380 | 502 | 613 |
| 95 | Physical fitness | 17 | 376 | 334 | 464 |
| 96 | Fisheries | 15 | 375 | 643 | 677 |
| 97 | Pharmacology | 14 | 374 | 2140 | 2216 |
| 98 | Social Psychology | 14 | 373 | 968 | 1062 |
| 99 | Biodiversity conservation | 8 | 372 | 917 | 1082 |
| 100 | Materials Science | 5 | 368 | 3060 | 2157 |
| 101 | Plant cells | 7 | 365 | 657 | 843 |
| 102 | Neurochemistry | 12 | 359 | 1105 | 1147 |
| 103 | Oceanography | 25 | 356 | 564 | 854 |
| 103 | Electrochemistry | 26 | 356 | 1531 | 1754 |
| 105 | Child welfare | 25 | 349 | 274 | 390 |
| 106 | Latin America | 67 | 345 | 125 | 221 |
| 107 | Parasites | 12 | 341 | 725 | 626 |
| 108 | Toxicology | 15 | 336 | 2031 | 2360 |
| 109 | Signal Transduction | 7 | 335 | 831 | 826 |
| 110 | Computational Chemistry | 17 | 334 | 168 | 322 |
| 111 | Pharmaceutical Chemistry | 22 | 333 | 1333 | 1765 |
| 112 | Microorganisms | 14 | 328 | 359 | 648 |
| 113 | Antarctica | 27 | 327 | 84 | 120 |
| 114 | Genetic engineering | 11 | 325 | 964 | 1046 |
| 115 | biological evolution | 12 | 324 | 922 | 1216 |
| 116 | Growth factors | 3 | 323 | 229 | 173 |
| 116 | Cytokine | 3 | 323 | 364 | 224 |
| 118 | Industrial Microbiology | 7 | 321 | 1207 | 1121 |
| 119 | Nutrition | 35 | 320 | 1102 | 2112 |
| 120 | Environmental Microbiology | 7 | 319 | 817 | 882 |
| 121 | Psychiatry | 8 | 316 | 2221 | 1884 |
| 122 | Pediatrics | 22 | 312 | 701 | 1162 |
| 123 | Oncology | 5 | 305 | 1363 | 1355 |
| 124 | Developmental Biology | 11 | 304 | 886 | 1133 |
| 124 | Condensed Matter | 20 | 304 | 1349 | 1557 |
| 126 | Nanobiotechnology | 6 | 303 | 217 | 275 |
| 127 | Energy Policy | 3 | 296 | 2485 | 1828 |
| 128 | Earth Sciences | 31 | 293 | 999 | 1654 |
| 129 | energy resources | 2 | 291 | 1561 | 1088 |
| 130 | Autoimmunity | 5 | 290 | 495 | 442 |
| 131 | Environmental monitoring | 6 | 288 | 2689 | 2443 |
| 132 | Environmental Policy | 9 | 283 | 1865 | 2115 |
| 133 | Biocompatible Materials | 9 | 277 | 2001 | 2285 |
| 133 | Statistical physics | 33 | 277 | 1152 | 1712 |
| 135 | Parasitic Diseases | 8 | 276 | 1111 | 992 |
| 136 | Pathology | 7 | 274 | 1095 | 1061 |
| 137 | Climate change | 4 | 273 | 789 | 986 |
| 137 | Eutrophication | 4 | 273 | 752 | 976 |
| 137 | Cancer | 6 | 273 | 1746 | 1628 |
| 140 | Geriatrics | 9 | 270 | 1464 | 1298 |
| 141 | Gerontology | 10 | 269 | 967 | 793 |
| 142 | Brain | 6 | 268 | 1644 | 1412 |
| 143 | Solid State Physics | 15 | 264 | 1914 | 1929 |
| 143 | Bacteriology | 6 | 264 | 1183 | 1179 |
| 145 | Child | 22 | 257 | 742 | 1142 |
| 146 | Medical Laboratory Science | 4 | 254 | 1571 | 1295 |
| 147 | Urology | 10 | 251 | 730 | 749 |
| 148 | Mathematical Physics | 41 | 249 | 815 | 1361 |
| 148 | histological techniques | 5 | 249 | 484 | 450 |
| 150 | cell interaction | 5 | 246 | 718 | 680 |
| 151 | Polymers | 22 | 244 | 1827 | 2353 |
| 152 | Autoimmune diseases | 6 | 241 | 373 | 386 |
| 153 | Artificial Intelligence | 8 | 237 | 2375 | 2191 |
| 153 | Plant diseases | 10 | 237 | 1057 | 1034 |
| 155 | sports injuries | 12 | 234 | 159 | 201 |
| 156 | Conservation Biology | 6 | 231 | 751 | 724 |
| 156 | Food | 8 | 231 | 1905 | 2002 |
| 158 | Informatics | 20 | 227 | 164 | 477 |
| 159 | Proteomics | 9 | 226 | 535 | 696 |
| 160 | Probability | 4 | 224 | 483 | 301 |
| 160 | Risk Management | 3 | 224 | 645 | 325 |
| 160 | Financial management | 3 | 224 | 458 | 310 |
| 160 | Risk | 3 | 224 | 504 | 312 |
| 164 | Chemical structure | 5 | 222 | 342 | 111 |
| 165 | viruses | 11 | 217 | 613 | 934 |
| 166 | Education | 33 | 203 | 1015 | 1787 |
| 166 | polymerization | 20 | 203 | 1631 | 2152 |
| 168 | Autoantibodies | 4 | 202 | 428 | 391 |
| 169 | Plant Genetics | 4 | 201 | 548 | 575 |
| 169 | Stem cells | 6 | 201 | 831 | 867 |
| 171 | Analytical Chemistry | 10 | 200 | 2387 | 2647 |
| 172 | Occupational Therapy | 9 | 199 | 495 | 301 |
| 173 | Electrical Engineering | 6 | 197 | 2268 | 1451 |
| 173 | Evolutionary Genetics | 6 | 197 | 367 | 335 |
| 173 | Molecular Epidemiology | 6 | 197 | 367 | 335 |
| 173 | Molecular Genetics | 7 | 197 | 1086 | 1306 |
| 177 | Anatomy | 76 | 196 | 247 | 1106 |
| 178 | Mental Disorders | 3 | 195 | 2235 | 1676 |
| 179 | Sociology | 20 | 194 | 1056 | 1686 |
| 179 | disease vectors | 5 | 194 | 698 | 621 |
| 181 | Mental illness | 3 | 190 | 1526 | 1277 |
| 182 | Surface Chemistry | 15 | 189 | 1849 | 2491 |
| 182 | Marine Ecology | 19 | 189 | 205 | 426 |
| 182 | Cardiovascular system | 2 | 189 | 1174 | 1077 |
| 185 | Molecular evolution | 6 | 188 | 943 | 1091 |
| 186 | Neuroimmunology | 4 | 187 | 526 | 587 |
| 186 | personality | 3 | 187 | 1414 | 1124 |
| 186 | Aging | 9 | 187 | 1383 | 1468 |
| 189 | Industrial Engineering | 3 | 185 | 1710 | 1203 |
| 189 | Vaccines | 4 | 185 | 1291 | 1006 |
| 191 | Engineering | 8 | 182 | 2701 | 2392 |
| 191 | Agricultural Chemistry | 5 | 182 | 1674 | 1538 |
| 193 | Plant breeding | 6 | 180 | 467 | 446 |
| 193 | Molecular Spectroscopy | 8 | 180 | 1143 | 1175 |
| 195 | Meteorology | 2 | 179 | 2179 | 1584 |
| 195 | soil microbiology | 6 | 179 | 968 | 1303 |
| 195 | atmosphere | 2 | 179 | 921 | 532 |
| 198 | Phylogeny | 6 | 178 | 576 | 734 |
| 199 | Mycology | 12 | 176 | 733 | 1072 |
| 199 | Work | 5 | 176 | 241 | 184 |
| 199 | Diabetes | 4 | 176 | 1413 | 1351 |
| 202 | Developmental Immunology | 6 | 175 | 366 | 453 |
| 203 | proteins | 12 | 174 | 927 | 1240 |
| 204 | Obesity | 11 | 173 | 877 | 1340 |
| 205 | polar regions | 8 | 172 | 326 | 365 |
| 206 | Contraception | 3 | 170 | 546 | 353 |
| 206 | Geodynamics | 11 | 170 | 457 | 680 |
| 208 | Photochemistry | 17 | 167 | 610 | 1171 |
| 209 | Geochemistry | 9 | 166 | 1121 | 1380 |
| 210 | Social work | 8 | 160 | 798 | 732 |
| 211 | Applied Linguistics | 6 | 158 | 414 | 302 |
| 212 | Chemical Engineering | 9 | 155 | 2625 | 3112 |
| 213 | Breeding | 5 | 154 | 845 | 842 |
| 214 | Nursing | 12 | 152 | 887 | 1048 |
| 214 | Neuropsychology | 3 | 152 | 1955 | 1508 |
| 214 | Fungi | 9 | 152 | 547 | 859 |
| 217 | Medical genetics | 4 | 150 | 1555 | 1694 |
| 217 | Forest genetics | 3 | 150 | 259 | 108 |
| 219 | food technology | 9 | 149 | 1470 | 2027 |
| 219 | Wildlife conservation | 6 | 149 | 746 | 992 |
| 221 | Morphology | 73 | 145 | 36 | 470 |
| 221 | Respiration | 5 | 145 | 992 | 1033 |
| 223 | Diabetes mellitus | 2 | 143 | 1773 | 1405 |
| 224 | Colloids | 13 | 142 | 1912 | 2796 |
| 225 | Biogeography | 5 | 139 | 725 | 940 |
| 225 | radioactive waste | 3 | 139 | 811 | 1013 |
| 225 | industrial waste | 3 | 139 | 846 | 1013 |
| 225 | Hazardous waste | 3 | 139 | 948 | 1071 |
| 229 | Birds | 13 | 138 | 516 | 655 |
| 230 | nanoscience | 5 | 137 | 2121 | 2261 |
| 231 | Metabolism | 6 | 136 | 1432 | 1815 |
| 232 | Immunopharmacology | 2 | 135 | 1180 | 798 |
| 232 | Neuropharmacology | 2 | 135 | 677 | 439 |
| 234 | Embryology | 6 | 134 | 924 | 1157 |
| 234 | Detectors | 2 | 134 | 1748 | 1133 |
| 236 | Epidemiology | 10 | 133 | 1789 | 2351 |
| 236 | Reproduction | 8 | 133 | 1279 | 1441 |
| 238 | Cell differentiation | 4 | 132 | 1070 | 1296 |
| 238 | Genetic regulation | 4 | 132 | 829 | 893 |
| 238 | cloning | 4 | 132 | 474 | 615 |
| 241 | Kinetics | 5 | 130 | 341 | 283 |
| 241 | Neuroplasticity | 3 | 130 | 211 | 220 |
| 241 | neuronal plasticity | 3 | 130 | 63 | 122 |
| 241 | Immunity | 5 | 130 | 1142 | 1511 |
| 245 | Waste management | 4 | 129 | 1209 | 939 |
| 246 | human behavior | 7 | 128 | 1487 | 2304 |
| 246 | Diet | 3 | 128 | 1681 | 1786 |
| 248 | Drug design | 10 | 126 | 729 | 1216 |
| 248 | Adolescent | 8 | 126 | 1153 | 1447 |
| 250 | Medical Technology | 3 | 125 | 1445 | 1189 |
| 250 | Mathematics | 26 | 125 | 2537 | 3261 |
| 250 | Biochemical Engineering | 4 | 125 | 2543 | 2890 |
| 250 | Medical innovations | 3 | 125 | 804 | 1051 |
| 250 | animals | 8 | 125 | 738 | 745 |
| 250 | Oxidation-reduction | 3 | 125 | 735 | 900 |
| 256 | Cell death | 2 | 123 | 1080 | 1066 |
| 257 | Environmental Management | 5 | 122 | 2257 | 2805 |
| 258 | Orthopedics | 11 | 119 | 678 | 984 |
| 258 | Enzyme inhibitors | 3 | 119 | 388 | 305 |
| 258 | rehabilitation | 12 | 119 | 965 | 1610 |
| 261 | Antioxidants | 2 | 116 | 823 | 820 |
| 262 | Photobiology | 12 | 114 | 553 | 1161 |
| 262 | Ethnology | 3 | 114 | 1454 | 857 |
| 264 | Environmental Engineering | 8 | 113 | 2300 | 3040 |
| 264 | Tropical Medicine | 1 | 113 | 2345 | 1225 |
| 266 | biological invasions | 3 | 112 | 602 | 556 |
| 267 | Geography | 9 | 108 | 1130 | 1594 |
| 267 | Kinesiology | 5 | 108 | 82 | 105 |
| 269 | School Psychology | 5 | 106 | 341 | 432 |
| 269 | South America | 14 | 106 | 30 | 29 |
| 271 | Steroids | 1 | 105 | 1290 | 760 |
| 272 | Psychophysiology | 6 | 103 | 1764 | 2164 |
| 273 | Municipal Engineering | 2 | 102 | 449 | 294 |
| 273 | Electrochemical Analysis | 8 | 102 | 1005 | 1379 |
| 273 | Nanostructures | 3 | 102 | 1901 | 1789 |
| 273 | Learning | 5 | 102 | 917 | 1070 |
| 273 | enzymes | 3 | 102 | 1359 | 1309 |
| 278 | Molecular cloning | 4 | 101 | 1159 | 1175 |
| 278 | Animal ecology | 7 | 101 | 746 | 963 |
| 278 | Genetic recombination | 4 | 101 | 1136 | 1166 |
| 278 | Recombinant DNA | 4 | 101 | 1198 | 1225 |
| 282 | peptides | 6 | 100 | 472 | 565 |
| 283 | Host-parasite interactions | 2 | 98 | 1247 | 1252 |
| 284 | Systems Biology | 3 | 97 | 1311 | 1275 |
| 284 | Transportation | 4 | 97 | 1363 | 1392 |
| 284 | drug resistance | 4 | 97 | 552 | 684 |
| 287 | Social Sciences | 26 | 96 | 1043 | 2378 |
| 288 | Surgery | 2 | 95 | 1406 | 1264 |
| 288 | Solid State Chemistry | 7 | 95 | 1761 | 2006 |
| 288 | Crystal growth | 9 | 95 | 569 | 957 |
| 288 | Evolution | 7 | 95 | 1118 | 1599 |
| 292 | Organometallic chemistry | 10 | 94 | 1203 | 1649 |
| 292 | Ornithology | 10 | 94 | 493 | 682 |
| 292 | Behavior | 5 | 94 | 2178 | 2886 |
| 295 | Logistics | 3 | 92 | 567 | 670 |
| 296 | Transgenic plants | 2 | 91 | 499 | 476 |
| 296 | Memory | 4 | 91 | 1223 | 1372 |
| 298 | Happiness | 9 | 90 | 121 | 509 |
| 298 | Quality of life | 9 | 90 | 734 | 1435 |
| 300 | Marine invertebrates | 2 | 89 | 301 | 122 |
| 300 | Enzyme | 2 | 89 | 665 | 655 |
| 302 | Operations Research | 11 | 88 | 1225 | 1832 |
| 302 | Neurons | 1 | 88 | 743 | 913 |
| 302 | Nervous system | 4 | 88 | 1770 | 1977 |
| 305 | nucleic acids | 2 | 87 | 1527 | 1484 |
| 306 | plant communities | 2 | 85 | 1158 | 1183 |
| 306 | Entomology | 4 | 85 | 1904 | 1641 |
| 308 | wildlife diseases | 5 | 84 | 83 | 78 |
| 309 | Plant Ecology | 2 | 83 | 1860 | 1806 |
| 309 | Dementia | 16 | 83 | 540 | 842 |
| 311 | Dynamics | 9 | 82 | 929 | 1234 |
| 311 | Quantum theory | 9 | 82 | 582 | 835 |
| 311 | pigments | 7 | 82 | 510 | 880 |
| 314 | Zeolites | 1 | 81 | 1408 | 1135 |
| 314 | Cell communication | 2 | 81 | 684 | 748 |
| 316 | Plant tissue culture | 2 | 79 | 861 | 742 |
| 316 | Plant cell culture | 2 | 79 | 773 | 732 |
| 316 | Digestive system diseases | 2 | 79 | 848 | 790 |
| 319 | Environmental pollutants | 5 | 78 | 1725 | 2397 |
| 319 | Europe | 5 | 78 | 2136 | 2229 |
| 319 | Genes | 3 | 78 | 1036 | 1056 |
| 322 | Rheumatology | 1 | 77 | 1308 | 982 |
| 322 | arthritis | 1 | 77 | 1226 | 1101 |
| 322 | eugenics | 3 | 77 | 498 | 490 |
| 325 | Educational Technology | 5 | 76 | 1263 | 1626 |
| 325 | Environmental Chemistry | 4 | 76 | 1788 | 2280 |
| 325 | pollutants | 4 | 76 | 1611 | 2170 |
| 325 | cell adhesion molecules | 1 | 76 | 371 | 392 |
| 325 | natural products | 10 | 76 | 962 | 1564 |
| 330 | Molecular Microbiology | 3 | 75 | 756 | 1019 |
| 330 | Bioinorganic chemistry | 6 | 75 | 998 | 1362 |
| 330 | body temperature | 4 | 75 | 421 | 527 |
| 333 | Public Policy | 5 | 74 | 1281 | 1776 |
| 333 | Systems Analysis | 5 | 74 | 884 | 1062 |
| 333 | System analysis | 5 | 74 | 1878 | 2179 |
| 333 | Organometallic compounds | 4 | 74 | 1167 | 1222 |
| 337 | Economics | 18 | 73 | 1787 | 2994 |
| 337 | Audiology | 4 | 73 | 608 | 686 |
| 337 | Mineralogy | 5 | 73 | 983 | 1163 |
| 340 | Clinical Pharmacology | 2 | 72 | 1293 | 1147 |
| 341 | biomedicine | 2 | 71 | 621 | 663 |
| 342 | behavioral medicine | 4 | 70 | 1013 | 1525 |
| 342 | Structure-activity relationship | 2 | 70 | 310 | 289 |
| 344 | Hematopoietic stem cell transplantation | 2 | 69 | 483 | 546 |
| 344 | United States | 9 | 69 | 2780 | 3899 |
| 346 | Data Mining | 2 | 68 | 1964 | 1712 |
| 346 | Computational Biology | 3 | 68 | 2209 | 2280 |
| 346 | Biogeochemical cycles | 1 | 68 | 598 | 664 |
| 346 | Antibacterial agents | 2 | 68 | 724 | 792 |
| 346 | data collection | 2 | 68 | 1316 | 1220 |
| 351 | Archaeology | 12 | 66 | 629 | 1052 |
| 351 | Coastal zone management | 5 | 66 | 486 | 778 |
| 351 | Marine resources | 5 | 66 | 466 | 798 |
| 354 | Mitochondria | 1 | 65 | 501 | 372 |
| 355 | Serology | 2 | 64 | 614 | 582 |
| 355 | Teaching | 14 | 64 | 736 | 1619 |
| 355 | Hearing | 3 | 64 | 625 | 643 |
| 355 | Biomolecules | 1 | 64 | 760 | 659 |
| 355 | Alzheimer's disease | 14 | 64 | 577 | 970 |
| 360 | Mental Health | 4 | 63 | 1287 | 1506 |
| 361 | Nanomedicine | 1 | 61 | 495 | 398 |
| 361 | Music | 5 | 61 | 657 | 682 |
| 363 | voice | 3 | 60 | 472 | 461 |
| 364 | Luminescence | 5 | 59 | 1098 | 1367 |
| 364 | biological factors | 6 | 59 | 1330 | 1984 |
| 366 | Hydrology | 3 | 58 | 2231 | 2358 |
| 366 | Herbal medicine | 2 | 58 | 903 | 1136 |
| 366 | Bioinformatics | 2 | 58 | 2131 | 1961 |
| 366 | Seaweed | 3 | 58 | 533 | 703 |
| 370 | Marine Biotechnology | 2 | 57 | 282 | 354 |
| 370 | Sleep Disorders | 2 | 57 | 1466 | 1361 |
| 370 | Immunochemistry | 3 | 57 | 909 | 995 |
| 370 | Sleep | 2 | 57 | 1500 | 1382 |
| 374 | Nanoparticles | 6 | 55 | 1334 | 2055 |
| 374 | philology | 19 | 55 | 150 | 99 |
| 374 | child abuse | 5 | 55 | 592 | 1023 |
| 377 | Combustion | 1 | 54 | 1715 | 1371 |
| 378 | Petrology | 3 | 53 | 855 | 1017 |
| 378 | Infection control | 1 | 53 | 604 | 490 |
| 378 | sanitation | 5 | 53 | 1089 | 2021 |
| 378 | Carbon | 2 | 53 | 1441 | 1772 |
| 378 | Light | 5 | 53 | 677 | 1171 |
| 383 | Clinical Psychology | 3 | 52 | 1082 | 1323 |
| 383 | Health Policy | 3 | 52 | 1906 | 2078 |
| 383 | Psychoneuroimmunology | 2 | 52 | 675 | 888 |
| 383 | Metallurgy | 2 | 52 | 2302 | 2007 |
| 383 | Drug delivery systems | 3 | 52 | 1497 | 1840 |
| 388 | Energy Storage | 2 | 51 | 1442 | 1480 |
| 388 | Quantum Chemistry | 2 | 51 | 189 | 206 |
| 388 | Geomagnetism | 2 | 51 | 658 | 665 |
| 388 | Water | 4 | 51 | 1971 | 2887 |
| 388 | Mental Health Services | 4 | 51 | 910 | 1277 |
| 388 | mammals | 6 | 51 | 667 | 1033 |
| 394 | Clinical Immunology | 2 | 50 | 1005 | 1107 |
| 394 | Analytical Biochemistry | 3 | 50 | 1629 | 1826 |
| 394 | Neuroanatomy | 1 | 50 | 478 | 347 |
| 397 | Veterinary Immunology | 3 | 49 | 315 | 417 |
| 397 | Entropy | 8 | 49 | 609 | 1211 |
| 397 | breastfeeding | 1 | 49 | 841 | 626 |
| 397 | glycoproteins | 1 | 49 | 681 | 628 |
| 397 | Glycoconjugates | 1 | 49 | 681 | 628 |
| 397 | Oligosaccharide | 1 | 49 | 490 | 466 |
| 397 | Carbohydrates | 1 | 49 | 682 | 583 |
| 397 | glycolipids | 1 | 49 | 681 | 628 |
| 405 | Information Technology | 4 | 48 | 2154 | 2643 |
| 405 | Animal Behavior | 7 | 48 | 1165 | 2083 |
| 405 | Forest Ecology | 3 | 48 | 959 | 1315 |
| 405 | Computer-Aided Design | 5 | 48 | 914 | 1372 |
| 405 | Forest Management | 3 | 48 | 934 | 1249 |
| 405 | food industry | 6 | 48 | 429 | 939 |
| 405 | Trace elements | 1 | 48 | 523 | 487 |
| 412 | Philosophy | 15 | 47 | 750 | 953 |
| 412 | Lipid metabolism | 2 | 47 | 497 | 660 |
| 412 | Lipids | 2 | 47 | 1383 | 1584 |
| 412 | Lipid | 2 | 47 | 499 | 662 |
| 412 | anesthesia | 2 | 47 | 600 | 424 |
| 412 | Information Science | 3 | 47 | 2521 | 2887 |
| 418 | management | 4 | 46 | 2857 | 3544 |
| 418 | Extreme environments | 1 | 46 | 435 | 447 |
| 420 | Anti-inflammatory agents | 2 | 45 | 323 | 358 |
| 420 | Social welfare | 1 | 45 | 983 | 644 |
| 420 | Cosmochemistry | 3 | 45 | 849 | 1158 |
| 420 | Astrocytes | 1 | 45 | 635 | 718 |
| 420 | chromatin | 2 | 45 | 158 | 265 |
| 420 | Aquatic ecology | 4 | 45 | 806 | 1079 |
| 426 | Energy Conversion | 1 | 44 | 1639 | 1646 |
| 426 | Geriatric Psychiatry | 4 | 44 | 743 | 1158 |
| 426 | Comparative Physiology | 4 | 44 | 655 | 1015 |
| 426 | Signal Processing | 1 | 44 | 3021 | 2617 |
| 426 | Solar Energy | 2 | 44 | 1998 | 2348 |
| 426 | Ethology | 5 | 44 | 1068 | 1836 |
| 426 | Energy Harvesting | 1 | 44 | 656 | 807 |
| 426 | Bacterial diseases | 2 | 44 | 344 | 456 |
| 434 | Thermodynamics | 1 | 43 | 1879 | 1161 |
| 434 | Hydraulic Engineering | 1 | 43 | 1276 | 991 |
| 434 | Thermochemistry | 1 | 43 | 768 | 628 |
| 434 | violence | 2 | 43 | 1151 | 1238 |
| 438 | Paleontology | 7 | 42 | 836 | 1314 |
| 438 | Constitutional Law | 17 | 42 | 29 | 53 |
| 438 | Microcirculation | 1 | 42 | 718 | 638 |
| 438 | Blood vessels | 1 | 42 | 624 | 547 |
| 442 | Language Disorders | 2 | 41 | 910 | 928 |
| 442 | Horticulture | 1 | 41 | 1216 | 910 |
| 442 | Pharmaceutical Technology | 1 | 41 | 1963 | 1855 |
| 442 | Psycholinguistics | 2 | 41 | 1056 | 1158 |
| 442 | Cytogenetics | 1 | 41 | 1646 | 1584 |
| 442 | Educational Psychology | 7 | 41 | 901 | 1646 |
| 442 | Nonlinear Dynamics | 2 | 41 | 1979 | 1993 |
| 442 | Writing | 2 | 41 | 373 | 450 |
| 442 | Reading | 2 | 41 | 681 | 737 |
| 442 | city planning | 7 | 41 | 1001 | 1885 |
| 452 | Fluid Mechanics | 2 | 40 | 1684 | 1608 |
| 452 | Andrology | 2 | 40 | 651 | 728 |
| 452 | Melanoma | 1 | 40 | 327 | 328 |
| 452 | Mass Media | 1 | 40 | 1347 | 669 |
| 452 | Social Media | 1 | 40 | 220 | 164 |
| 452 | Androgens | 2 | 40 | 262 | 370 |
| 458 | Community Psychology | 3 | 39 | 538 | 745 |
| 458 | Neurotoxicology | 3 | 39 | 549 | 989 |
| 458 | Apoptosis | 3 | 39 | 234 | 520 |
| 458 | neurotoxins | 3 | 39 | 234 | 520 |
| 458 | Neurotoxic agents | 3 | 39 | 234 | 520 |
| 458 | Nerve regeneration | 3 | 39 | 234 | 520 |
| 464 | Adolescent Medicine | 1 | 38 | 847 | 897 |
| 464 | Social policy | 2 | 38 | 1253 | 1218 |
| 464 | musculoskeletal system | 1 | 38 | 258 | 242 |
| 467 | Electronics | 3 | 37 | 2931 | 3016 |
| 467 | Histochemistry | 1 | 37 | 1437 | 1187 |
| 467 | Sites | 1 | 37 | 842 | 864 |
| 470 | Law | 23 | 36 | 346 | 928 |
| 470 | Functional Analysis | 4 | 36 | 1218 | 1416 |
| 470 | Graph Theory | 7 | 36 | 456 | 651 |
| 470 | Freshwater Ecology | 1 | 36 | 562 | 308 |
| 470 | Tourism | 3 | 36 | 1647 | 2313 |
| 470 | Infertility | 2 | 36 | 817 | 1099 |
| 470 | innovation | 2 | 36 | 741 | 1070 |
| 470 | Aquatic animals | 1 | 36 | 367 | 293 |
| 470 | fertility | 2 | 36 | 899 | 1162 |
| 479 | Humanities | 15 | 35 | 595 | 1934 |
| 480 | Architecture | 32 | 34 | 62 | 532 |
| 480 | Geometry | 5 | 34 | 949 | 1030 |
| 480 | Population Genetics | 2 | 34 | 1261 | 1683 |
| 480 | Dendrochronology | 1 | 34 | 74 | 45 |
| 480 | Schizophrenia | 1 | 34 | 1202 | 1216 |
| 480 | environmental protection | 2 | 34 | 3720 | 4225 |
| 480 | Behavioral research | 3 | 34 | 611 | 831 |
| 480 | Exercise therapy | 4 | 34 | 358 | 595 |
| 480 | Crystallography | 16 | 34 | 713 | 1356 |
| 480 | Proteome | 1 | 34 | 1401 | 1487 |
| 490 | Hematology | 1 | 33 | 2072 | 1933 |
| 490 | Soil Mechanics | 2 | 33 | 1182 | 1329 |
| 490 | Molecules | 4 | 33 | 1322 | 1557 |
| 490 | humor | 2 | 33 | 20 | 14 |
| 494 | Bryology | 1 | 32 | 343 | 225 |
| 494 | intergroup relations | 2 | 32 | 243 | 392 |
| 494 | bryophytes | 1 | 32 | 191 | 125 |
| 497 | Ecological Genetics | 1 | 31 | 1068 | 866 |
| 497 | Chromatography | 1 | 31 | 2176 | 1995 |
| 497 | psychopathology | 1 | 31 | 465 | 479 |
| 497 | technical education | 1 | 31 | 1144 | 929 |
| 497 | Chromatographic analysis | 1 | 31 | 2430 | 2135 |
| 497 | Aggression | 1 | 31 | 811 | 840 |
| 497 | Marine algae | 1 | 31 | 248 | 223 |
| 504 | food contamination | 1 | 30 | 1735 | 1477 |
| 504 | Mycotoxins | 1 | 30 | 281 | 263 |
| 504 | transport vesicles | 2 | 30 | 275 | 589 |
| 504 | India | 2 | 30 | 1893 | 1491 |
| 504 | Marine mammals | 3 | 30 | 225 | 383 |
| 509 | Nutrition physiology | 1 | 29 | 1134 | 1186 |
| 509 | Nutritional support | 1 | 29 | 281 | 345 |
| 511 | History | 25 | 28 | 356 | 602 |
| 511 | Computer Graphics | 3 | 28 | 1645 | 2091 |
| 511 | RNA | 1 | 28 | 754 | 840 |
| 514 | Water Purification | 2 | 27 | 1388 | 1645 |
| 514 | Water quality management | 2 | 27 | 2107 | 2435 |
| 514 | clay | 2 | 27 | 991 | 1505 |
| 514 | Algae | 2 | 27 | 813 | 1031 |
| 514 | Growth | 1 | 27 | 1322 | 1541 |
| 519 | Marine biodiversity | 3 | 26 | 212 | 297 |
| 519 | Wildlife management | 2 | 26 | 661 | 760 |
| 519 | Radioisotopes | 1 | 26 | 1592 | 1259 |
| 519 | genome | 2 | 26 | 1510 | 2034 |
| 519 | Isotopes | 1 | 26 | 248 | 203 |
| 524 | Dentistry | 4 | 25 | 604 | 822 |
| 524 | Agricultural Engineering | 1 | 25 | 766 | 809 |
| 524 | Paleoclimatology | 2 | 25 | 1182 | 1533 |
| 524 | Paleoecology | 2 | 25 | 1157 | 1468 |
| 524 | Plant Morphology | 2 | 25 | 758 | 955 |
| 524 | Paleogeography | 2 | 25 | 1055 | 1349 |
| 524 | Chemical kinetics | 1 | 25 | 1288 | 963 |
| 524 | Pesticides | 1 | 25 | 1138 | 1120 |
| 524 | Mineral resources | 3 | 25 | 645 | 1330 |
| 524 | movement | 2 | 25 | 426 | 680 |
| 524 | Social behavior | 3 | 25 | 1121 | 1661 |
| 524 | Therapeutics | 5 | 25 | 1066 | 2027 |
| 536 | Educational Sociology | 3 | 24 | 375 | 610 |
| 536 | pain management | 1 | 24 | 882 | 865 |
| 536 | Child psychology | 2 | 24 | 1504 | 1960 |
| 536 | pain | 1 | 24 | 1617 | 1674 |
| 536 | sports equipment | 1 | 24 | 123 | 60 |
| 541 | Civil Engineering | 2 | 23 | 1741 | 1710 |
| 541 | Health Services Administration | 3 | 23 | 963 | 1581 |
| 541 | Latin American Literature | 28 | 23 | 13 | 33 |
| 541 | civilization | 8 | 23 | 638 | 723 |
| 541 | curriculum evaluation | 1 | 23 | 704 | 693 |
| 541 | Osteoporosis | 1 | 23 | 594 | 622 |
| 541 | Arthropods | 1 | 23 | 510 | 465 |
| 541 | indoor air pollution | 1 | 23 | 683 | 757 |
| 541 | environmental exposure | 1 | 23 | 2674 | 2936 |
| 541 | Ventilation | 1 | 23 | 907 | 889 |
| 541 | animal diseases | 1 | 23 | 824 | 861 |
| 541 | Sick building syndrome | 1 | 23 | 683 | 757 |
| 541 | Planets | 1 | 23 | 1760 | 1981 |
| 541 | Insects | 1 | 23 | 2031 | 1791 |
| 541 | freshwater biology | 2 | 23 | 1103 | 1458 |
| 556 | Political Sociology | 4 | 22 | 389 | 692 |
| 556 | Oral Medicine | 3 | 22 | 733 | 1055 |
| 556 | Immunopathology | 2 | 22 | 1085 | 1519 |
| 556 | Functional Genomics | 1 | 22 | 435 | 589 |
| 556 | Allergy | 1 | 22 | 1215 | 1389 |
| 556 | Argentina | 3 | 22 | 33 | 67 |
| 562 | Nuclear Engineering | 2 | 21 | 1594 | 1703 |
| 562 | Nuclear Energy | 2 | 21 | 1148 | 1241 |
| 562 | Food Safety | 1 | 21 | 591 | 608 |
| 562 | Electromagnetism | 1 | 21 | 1477 | 1408 |
| 562 | Discrete geometry | 1 | 21 | 444 | 368 |
| 562 | complementary therapies | 2 | 21 | 1995 | 2675 |
| 562 | Magnetic Materials | 1 | 21 | 1987 | 1973 |
| 562 | supercritical fluids | 1 | 21 | 682 | 843 |
| 570 | Hemophilia | 1 | 20 | 511 | 527 |
| 570 | mathematical analysis | 3 | 20 | 2347 | 2526 |
| 570 | miniaturization | 1 | 20 | 2394 | 2609 |
| 570 | Bones | 1 | 20 | 962 | 1191 |
| 574 | Political Science | 6 | 19 | 1216 | 1812 |
| 574 | Public opinion | 2 | 19 | 516 | 763 |
| 574 | Student Health Services | 1 | 19 | 490 | 563 |
| 574 | health services | 1 | 19 | 1588 | 1632 |
| 574 | amino acids | 1 | 19 | 961 | 1141 |
| 574 | Educational evaluation | 4 | 19 | 128 | 344 |
| 580 | Neuropsychiatry | 1 | 18 | 1076 | 1190 |
| 580 | Architectural Design | 1 | 18 | 818 | 729 |
| 580 | Immune system | 1 | 18 | 1195 | 1422 |
| 583 | Pharmacognosy | 1 | 17 | 2501 | 2882 |
| 583 | Marine Geology | 1 | 17 | 921 | 995 |
| 583 | Economic Development | 3 | 17 | 1503 | 2392 |
| 583 | Petroleum Geology | 1 | 17 | 750 | 859 |
| 583 | protein | 3 | 17 | 1088 | 1663 |
| 583 | Safety management | 1 | 17 | 1161 | 1163 |
| 583 | ethanol | 1 | 17 | 798 | 892 |
| 583 | cryosphere | 1 | 17 | 534 | 692 |
| 583 | alcoholism | 1 | 17 | 1824 | 2037 |
| 583 | biological agents | 4 | 17 | 589 | 757 |
| 583 | Mollusks | 4 | 17 | 155 | 364 |
| 594 | Geomorphology | 1 | 16 | 1858 | 2223 |
| 594 | Human Capital | 1 | 16 | 476 | 610 |
| 594 | Animal welfare | 1 | 16 | 514 | 643 |
| 594 | Plant hormones | 1 | 16 | 584 | 804 |
| 594 | Pacific Islands | 2 | 16 | 410 | 562 |
| 594 | medical education | 2 | 16 | 1837 | 2406 |
| 594 | Electroconvulsive therapy | 1 | 16 | 181 | 219 |
| 594 | Yeast | 1 | 16 | 679 | 862 |
| 594 | California | 1 | 16 | 607 | 650 |
| 594 | public opinion polls | 1 | 16 | 207 | 183 |
| 604 | Immunotherapy | 1 | 15 | 2129 | 2570 |
| 604 | Environmental Geology | 1 | 15 | 2327 | 2609 |
| 604 | adolescence | 2 | 15 | 1079 | 1620 |
| 604 | Telecommunication | 2 | 15 | 2787 | 3255 |
| 604 | Product life cycle | 2 | 15 | 369 | 728 |
| 604 | green products | 2 | 15 | 325 | 662 |
| 604 | prostaglandins | 1 | 15 | 622 | 760 |
| 604 | school psychologists | 1 | 15 | 355 | 489 |
| 612 | Literature | 8 | 14 | 462 | 446 |
| 612 | Cybernetics | 1 | 14 | 2209 | 2453 |
| 612 | Ergonomics | 1 | 14 | 1377 | 1511 |
| 612 | Information Systems | 3 | 14 | 1386 | 2425 |
| 612 | Optics | 5 | 14 | 3013 | 4094 |
| 612 | Higher Education | 2 | 14 | 774 | 1159 |
| 612 | Urban Policy | 2 | 14 | 1065 | 1712 |
| 612 | Industrial Safety | 4 | 14 | 1022 | 1981 |
| 612 | Welfare Economics | 1 | 14 | 679 | 727 |
| 612 | Surface-Active Agents | 1 | 14 | 1718 | 2205 |
| 612 | Composite Materials | 1 | 14 | 3093 | 3480 |
| 612 | Socialism | 1 | 14 | 364 | 338 |
| 612 | Randomized Controlled Trials | 1 | 14 | 1372 | 1489 |
| 612 | Magnetic Resonance Spectroscopy | 1 | 14 | 1456 | 1487 |
| 612 | nuclear magnetic resonance spectroscopy | 1 | 14 | 1022 | 1058 |
| 612 | Surface properties | 1 | 14 | 1766 | 2254 |
| 612 | NMR | 1 | 14 | 848 | 877 |
| 612 | tests | 2 | 14 | 247 | 549 |
| 612 | Spain | 4 | 14 | 352 | 346 |
| 612 | magnetic resonance | 1 | 14 | 861 | 889 |
| 612 | Nitric oxide | 1 | 14 | 508 | 757 |
| 612 | motor skills | 1 | 14 | 414 | 477 |
| 634 | Anthropology | 3 | 13 | 1436 | 2031 |
| 634 | Gender Studies | 1 | 13 | 912 | 1049 |
| 634 | Process Control | 1 | 13 | 1477 | 1896 |
| 634 | Rock deformation | 2 | 13 | 260 | 544 |
| 634 | preventive medicine | 1 | 13 | 1638 | 1956 |
| 634 | Alternative Medicine | 1 | 13 | 2294 | 2745 |
| 634 | Learning disabilities | 2 | 13 | 934 | 1378 |
| 634 | Production Management | 1 | 13 | 1729 | 2131 |
| 634 | Molecular ecology | 2 | 13 | 1113 | 1939 |
| 634 | school environment | 3 | 13 | 85 | 319 |
| 634 | free radicals | 2 | 13 | 1359 | 2122 |
| 634 | Youth | 2 | 13 | 801 | 1336 |
| 634 | disaster relief | 1 | 13 | 430 | 591 |
| 634 | synthesis | 1 | 13 | 1650 | 1683 |
| 634 | Cognition | 2 | 13 | 1821 | 2506 |
| 649 | Transportation Engineering | 1 | 12 | 514 | 683 |
| 649 | Environmental Toxicology | 3 | 12 | 2272 | 3761 |
| 649 | Health Services Research | 3 | 12 | 1441 | 2552 |
| 649 | Taste | 1 | 12 | 584 | 784 |
| 649 | smell | 1 | 12 | 584 | 784 |
| 649 | Bacterial infections | 1 | 12 | 1165 | 1565 |
| 649 | Food preferences | 1 | 12 | 673 | 907 |
| 649 | Intellectual disability | 2 | 12 | 899 | 1379 |
| 649 | Spanish language | 4 | 12 | 66 | 78 |
| 649 | sex crimes | 1 | 12 | 1024 | 1293 |
| 659 | Metabolic diseases | 1 | 11 | 2290 | 2819 |
| 659 | Technological Innovations | 3 | 11 | 1058 | 2134 |
| 659 | Second Language Acquisition | 1 | 11 | 377 | 559 |
| 659 | motivation | 1 | 11 | 662 | 900 |
| 659 | International Education | 1 | 11 | 505 | 689 |
| 659 | Volcanoes | 1 | 11 | 460 | 602 |
| 659 | Combinatorial analysis | 4 | 11 | 909 | 1297 |
| 659 | Ore deposits | 2 | 11 | 619 | 929 |
| 659 | computer networks | 1 | 11 | 3049 | 3391 |
| 668 | Building Materials | 1 | 10 | 2206 | 2693 |
| 668 | Plant Pathology | 1 | 10 | 274 | 364 |
| 668 | History of Medicine | 1 | 10 | 762 | 535 |
| 668 | Health Education | 4 | 10 | 1495 | 2859 |
| 668 | Ichthyology | 2 | 10 | 612 | 870 |
| 668 | Wireless Communication Systems | 1 | 10 | 2950 | 3185 |
| 668 | Critical Discourse Analysis | 1 | 10 | 112 | 202 |
| 668 | Bioacoustics | 1 | 10 | 194 | 281 |
| 668 | Electron Microscopy | 1 | 10 | 641 | 770 |
| 668 | preimplantation genetic diagnosis | 1 | 10 | 662 | 917 |
| 668 | embryo transfer | 1 | 10 | 675 | 937 |
| 668 | Information society | 1 | 10 | 352 | 541 |
| 668 | Decision making | 2 | 10 | 1693 | 2598 |
| 668 | health planning | 4 | 10 | 1916 | 3519 |
| 668 | traffic safety | 3 | 10 | 285 | 755 |
| 668 | Human biology | 2 | 10 | 778 | 1271 |
| 668 | Fish | 2 | 10 | 464 | 746 |
| 685 | Public Health Administration | 1 | 9 | 679 | 747 |
| 685 | Restoration Ecology | 1 | 9 | 731 | 981 |
| 685 | Fishery management | 2 | 9 | 968 | 1541 |
| 685 | Health insurance | 2 | 9 | 493 | 938 |
| 685 | actuators | 1 | 9 | 2740 | 3294 |
| 685 | disabilities | 1 | 9 | 1078 | 1418 |
| 685 | Japan | 2 | 9 | 2098 | 2881 |
| 685 | finance | 3 | 9 | 2258 | 3309 |
| 685 | transducers | 1 | 9 | 2740 | 3294 |
| 694 | Database Management | 1 | 8 | 1135 | 1420 |
| 694 | Civil Law | 9 | 8 | 7 | 22 |
| 694 | Veterinary Pathology | 1 | 8 | 555 | 693 |
| 694 | Agricultural Ecology | 1 | 8 | 1571 | 2197 |
| 694 | Demography | 1 | 8 | 1020 | 1279 |
| 694 | Regional Planning | 4 | 8 | 1242 | 2533 |
| 694 | Hemostasis | 1 | 8 | 927 | 1145 |
| 694 | Animal breeding | 1 | 8 | 1107 | 1424 |
| 694 | Thrombosis | 1 | 8 | 1160 | 1478 |
| 694 | Crystallization | 2 | 8 | 606 | 882 |
| 694 | Metabolic syndrome | 2 | 8 | 343 | 866 |
| 694 | urban health | 1 | 8 | 453 | 731 |
| 694 | economic policy | 2 | 8 | 2577 | 3239 |
| 694 | Environmental Geochemistry | 1 | 8 | 1117 | 1600 |
| 694 | Diagnostic microbiology | 1 | 8 | 1315 | 1812 |
| 694 | Religion and Psychology | 1 | 8 | 1035 | 1242 |
| 694 | Public Finance | 1 | 8 | 382 | 455 |
| 694 | mycoses | 2 | 8 | 851 | 1438 |
| 694 | Family | 1 | 8 | 1488 | 1885 |
| 694 | families | 1 | 8 | 1367 | 1585 |
| 694 | commerce | 1 | 8 | 2386 | 2783 |
| 694 | electrocatalysis | 1 | 8 | 246 | 431 |
| 694 | Minerals | 1 | 8 | 1410 | 1903 |
| 694 | recreation | 3 | 8 | 688 | 1279 |
| 694 | Agriculture | 1 | 8 | 2976 | 3484 |
| 719 | Intelligent Transportation Systems | 1 | 7 | 1631 | 2080 |
| 719 | Political Psychology | 1 | 7 | 571 | 840 |
| 719 | Communication and Culture | 1 | 7 | 520 | 670 |
| 719 | Drug targeting | 1 | 7 | 582 | 951 |
| 719 | Biomechanics | 2 | 7 | 1445 | 2311 |
| 719 | Fracture mechanics | 1 | 7 | 1813 | 2219 |
| 719 | Medical Anthropology | 1 | 7 | 1716 | 2373 |
| 719 | Marriage | 2 | 7 | 637 | 1206 |
| 719 | Genetic variation | 1 | 7 | 250 | 472 |
| 719 | Social Change | 1 | 7 | 1640 | 2272 |
| 719 | Business | 2 | 7 | 2432 | 3557 |
| 719 | Developmental Disabilities | 1 | 7 | 1369 | 1889 |
| 719 | consumers | 1 | 7 | 739 | 1038 |
| 719 | Social interaction | 1 | 7 | 616 | 899 |
| 719 | paraphilias | 2 | 7 | 231 | 533 |
| 719 | Social problems | 1 | 7 | 986 | 1329 |
| 719 | China | 1 | 7 | 3707 | 4375 |
| 719 | psychotherapy | 2 | 7 | 1389 | 2010 |
| 719 | probabilities | 5 | 7 | 1073 | 1805 |
| 719 | Marriage counseling | 2 | 7 | 380 | 754 |
| 719 | drug evaluation | 1 | 7 | 1739 | 2276 |
| 740 | Geriatric Nursing | 3 | 6 | 533 | 1220 |
| 740 | Econometrics | 2 | 6 | 1563 | 2156 |
| 740 | Medical Sociology | 1 | 6 | 99 | 225 |
| 740 | Engineering Geology | 2 | 6 | 1534 | 2307 |
| 740 | Differential Equations | 2 | 6 | 1255 | 1686 |
| 740 | Animal health | 1 | 6 | 795 | 1009 |
| 740 | Quantitative Research | 1 | 6 | 374 | 589 |
| 740 | Health | 2 | 6 | 2319 | 3677 |
| 740 | Enteral nutrition | 1 | 6 | 1086 | 1540 |
| 740 | Parenteral nutrition | 1 | 6 | 1230 | 1691 |
| 740 | older people | 2 | 6 | 1687 | 2323 |
| 751 | Cognitive Psychology | 1 | 5 | 755 | 950 |
| 751 | Phenomenology | 1 | 5 | 483 | 476 |
| 751 | Occupational Health | 3 | 5 | 1019 | 2089 |
| 751 | Philosophy of Mind | 1 | 5 | 509 | 655 |
| 751 | Manufacturing Processes | 1 | 5 | 2849 | 3421 |
| 751 | Production Engineering | 1 | 5 | 2602 | 3142 |
| 751 | Labor Economics | 2 | 5 | 623 | 1059 |
| 751 | Long-Term Care | 1 | 5 | 774 | 1160 |
| 751 | industrial hygiene | 3 | 5 | 1003 | 2029 |
| 751 | Long-term care facilities | 1 | 5 | 767 | 1150 |
| 751 | Cognitive Science | 1 | 5 | 2280 | 3016 |
| 751 | Chemical analysis | 1 | 5 | 1562 | 2153 |
| 751 | Sedimentary rocks | 1 | 5 | 931 | 1259 |
| 751 | Developing countries | 4 | 5 | 1955 | 4002 |
| 751 | Mites | 1 | 5 | 715 | 982 |
| 751 | Gastrointestinal diseases | 1 | 5 | 955 | 1242 |
| 767 | Urban Planning | 1 | 4 | 702 | 1084 |
| 767 | Municipal Law | 8 | 4 | 34 | 97 |
| 767 | Pharmacogenetics | 1 | 4 | 1186 | 1680 |
| 767 | Hypertension | 1 | 4 | 1565 | 2134 |
| 767 | Number Theory | 1 | 4 | 1265 | 1437 |
| 767 | Adolescent Psychology | 1 | 4 | 1252 | 1806 |
| 767 | Urbanization | 1 | 4 | 409 | 690 |
| 767 | Biomarkers | 1 | 4 | 731 | 1143 |
| 767 | gene therapy | 1 | 4 | 1206 | 1733 |
| 767 | visualization | 2 | 4 | 1579 | 2058 |
| 767 | Asia | 1 | 4 | 4057 | 4727 |
| 767 | Genetic therapy | 1 | 4 | 1206 | 1706 |
| 767 | biochemical markers | 1 | 4 | 1010 | 1536 |
| 767 | Culture | 1 | 4 | 1687 | 1990 |
| 767 | coal | 1 | 4 | 2216 | 2921 |
| 767 | women | 2 | 4 | 1098 | 1810 |
| 767 | Autism | 1 | 4 | 993 | 1475 |
| 767 | autism spectrum disorder | 1 | 4 | 140 | 327 |
| 785 | Ethics | 1 | 3 | 1525 | 2140 |
| 785 | Engineering Mathematics | 1 | 3 | 2686 | 3130 |
| 785 | Earthquake Engineering | 1 | 3 | 1730 | 2199 |
| 785 | Regional Economics | 1 | 3 | 817 | 1253 |
| 785 | Psychosomatic Medicine | 2 | 3 | 801 | 1596 |
| 785 | Aesthetics | 4 | 3 | 162 | 372 |
| 785 | Psychoanalysis | 1 | 3 | 569 | 629 |
| 785 | Mass Spectrometry | 1 | 3 | 1512 | 2059 |
| 785 | Folklore | 4 | 3 | 79 | 134 |
| 785 | Political Parties | 1 | 3 | 364 | 554 |
| 785 | Herpetology | 1 | 3 | 629 | 902 |
| 785 | Labor Unions | 1 | 3 | 536 | 733 |
| 785 | Qualitative Research | 1 | 3 | 880 | 1357 |
| 785 | Solitons | 1 | 3 | 1861 | 2433 |
| 785 | Fractals | 1 | 3 | 1869 | 2437 |
| 785 | Erosion | 1 | 3 | 242 | 597 |
| 785 | Chaos | 1 | 3 | 1861 | 2433 |
| 785 | Language Arts | 1 | 3 | 230 | 390 |
| 785 | Communication | 1 | 3 | 2930 | 3646 |
| 785 | industrial relations | 1 | 3 | 1317 | 1804 |
| 785 | Elections | 1 | 3 | 548 | 768 |
| 785 | Amphibians | 1 | 3 | 490 | 727 |
| 785 | Reptiles | 1 | 3 | 530 | 817 |
| 785 | lasers | 2 | 3 | 2319 | 3349 |
| 785 | econometric models | 1 | 3 | 1105 | 1545 |
| 810 | Sustainable Development | 1 | 2 | 3098 | 4326 |
| 810 | Embedded Systems | 1 | 2 | 360 | 569 |
| 810 | Intercultural Communication | 1 | 2 | 841 | 1348 |
| 810 | Cosmology | 1 | 2 | 934 | 1236 |
| 810 | Numerical Analysis | 2 | 2 | 2623 | 3745 |
| 810 | International Law | 2 | 2 | 486 | 639 |
| 810 | Religion | 1 | 2 | 1407 | 1491 |
| 810 | Cross-Cultural Studies | 1 | 2 | 1284 | 2011 |
| 810 | nuclear astrophysics | 1 | 2 | 742 | 1013 |
| 810 | Well-being | 1 | 2 | 327 | 676 |
| 810 | Cognitive Therapy | 1 | 2 | 987 | 1525 |
| 810 | International Finance | 1 | 2 | 2233 | 2922 |
| 810 | natural history museums | 2 | 2 | 74 | 193 |
| 810 | Elderly | 1 | 2 | 1719 | 1847 |
| 810 | sects | 1 | 2 | 205 | 93 |
| 810 | Transport | 1 | 2 | 947 | 1477 |
| 810 | Health promotion | 1 | 2 | 1717 | 2445 |
| 810 | Sea | 1 | 2 | 845 | 1342 |
| 810 | feeding behavior | 1 | 2 | 1095 | 1695 |
| 810 | Fishery resources | 1 | 2 | 931 | 1457 |
| 810 | thinking | 1 | 2 | 655 | 1118 |
| 810 | Comparative Law | 1 | 2 | 471 | 471 |
| 810 | Approximation Theory | 1 | 2 | 720 | 962 |
| 810 | Written communication | 2 | 2 | 129 | 395 |
| 810 | planning | 1 | 2 | 1337 | 2051 |
| 810 | Creativity | 1 | 2 | 679 | 1202 |
| 810 | drug toxicity | 1 | 2 | 940 | 1600 |
| 810 | Fuzzy systems | 1 | 2 | 2535 | 3203 |
| 810 | cults | 1 | 2 | 205 | 93 |
| 810 | Appetite | 1 | 2 | 984 | 1552 |
| 840 | Pharmacy | 1 | 1 | 2536 | 3464 |
| 840 | Statistics | 1 | 1 | 3136 | 3825 |
| 840 | Logic | 1 | 1 | 727 | 988 |
| 840 | Special Education | 1 | 1 | 1248 | 1745 |
| 840 | Economic History | 4 | 1 | 2676 | 4968 |
| 840 | Clinical Chemistry | 2 | 1 | 2419 | 3751 |
| 840 | Stochastic Processes | 1 | 1 | 1469 | 2093 |
| 840 | Paleobiology | 1 | 1 | 610 | 925 |
| 840 | Economic Thought | 1 | 1 | 516 | 795 |
| 840 | Bioethics | 1 | 1 | 1403 | 2001 |
| 840 | Medical Ethics | 1 | 1 | 1626 | 2325 |
| 840 | Feminist theory | 1 | 1 | 399 | 613 |
| 840 | Biogeochemistry | 1 | 1 | 1484 | 2219 |
| 840 | Genetic algorithms | 1 | 1 | 543 | 924 |
| 840 | locomotion | 1 | 1 | 972 | 1477 |
| 840 | Regional Development | 1 | 1 | 493 | 810 |
| 840 | posture | 1 | 1 | 972 | 1477 |
| 840 | nursing ethics | 1 | 1 | 485 | 907 |
| 840 | Development planning | 1 | 1 | 455 | 762 |
| 840 | reasoning | 1 | 1 | 810 | 1217 |
| 840 | Earthquakes | 1 | 1 | 617 | 944 |
| 840 | economic conditions | 2 | 1 | 618 | 1196 |
| 840 | Great Lakes | 1 | 1 | 369 | 660 |
| 840 | Communication in politics | 1 | 1 | 522 | 940 |
| 840 | Spanish literature | 1 | 1 | 213 | 169 |
| 840 | drugs | 1 | 1 | 2484 | 3439 |
| 840 | pharmaceutical industry | 2 | 1 | 692 | 1610 |
| 840 | gait | 1 | 1 | 972 | 1477 |
| 840 | Economic planning | 1 | 1 | 947 | 1560 |
| 840 | Chronic diseases | 1 | 1 | 845 | 1315 |
| 840 | walking | 1 | 1 | 972 | 1477 |
| 871 | Mechanical Engineering | 1 | 0 | 3049 | 3882 |
| 871 | Ophthalmology | 1 | 0 | 1909 | 2683 |
| 871 | Information Theory | 1 | 0 | 1904 | 2627 |
| 871 | Legal History | 1 | 0 | 58 | 59 |
| 871 | Metaphysics | 1 | 0 | 75 | 131 |
| 871 | Computational Mathematics | 1 | 0 | 215 | 388 |
| 871 | Quantum electronics | 1 | 0 | 2180 | 2902 |
| 871 | Discrete Mathematics | 2 | 0 | 503 | 1033 |
| 871 | visual sociology | 1 | 0 | 93 | 149 |
| 871 | health services accessibility | 1 | 0 | 1439 | 2298 |
| 871 | sedimentary basins | 1 | 0 | 334 | 578 |
| 871 | Neural circuitry | 1 | 0 | 2753 | 3633 |
| 871 | Socioeconomic Factors | 1 | 0 | 1293 | 2212 |
| 871 | Byzantine Empire | 5 | 0 | 10 | 64 |
| 871 | Environmental risk assessment | 1 | 0 | 775 | 1452 |
| 871 | Optoelectronic devices | 1 | 0 | 1553 | 2213 |
| 871 | Hormones | 1 | 0 | 1548 | 2260 |
| 871 | environmental control | 1 | 0 | 381 | 814 |
| 871 | graph | 2 | 0 | 503 | 1033 |
| 871 | constitutional courts | 1 | 0 | 136 | 215 |
| 871 | Biometrics | 1 | 0 | 1385 | 1982 |
| 871 | marketing | 1 | 0 | 2597 | 3524 |
| 871 | Diplomatic relations | 1 | 0 | 1024 | 1435 |
| 871 | Urban Areas | 1 | 0 | 470 | 921 |
| 871 | Cannabis | 1 | 0 | 185 | 427 |
| 871 | cannabinoids | 1 | 0 | 168 | 401 |
| 871 | Development | 1 | 0 | 1247 | 1919 |
| 871 | United Kingdom | 1 | 0 | 2003 | 2931 |
| 871 | Economic Assistance | 1 | 0 | 1139 | 1800 |
| 871 | world | 1 | 0 | 1145 | 1863 |
| 871 | vitamins | 1 | 0 | 283 | 641 |