| 1 | Ecology | 208 | 6.5K | 621 | 873 |
| 2 | Biology | 181 | 4.2K | 1175 | 2324 |
| 3 | Analytical Chemistry | 111 | 4.2K | 687 | 593 |
| 4 | Science | 152 | 3.8K | 1486 | 2594 |
| 5 | Condensed Matter | 186 | 3.8K | 468 | 587 |
| 6 | Solid State Physics | 176 | 3.8K | 567 | 616 |
| 7 | Medicine | 148 | 3.7K | 1555 | 2047 |
| 8 | Botany | 240 | 3.6K | 302 | 693 |
| 9 | Electrochemistry | 111 | 3.2K | 681 | 549 |
| 10 | Physics | 106 | 2.7K | 2058 | 3055 |
| 11 | Tropical Medicine | 107 | 2.2K | 75 | 103 |
| 12 | Toxicology | 56 | 1.9K | 1074 | 1050 |
| 13 | Public Health | 148 | 1.8K | 555 | 1119 |
| 14 | Research | 70 | 1.8K | 2065 | 2319 |
| 15 | Biochemistry | 78 | 1.8K | 2322 | 2741 |
| 16 | Natural history | 99 | 1.7K | 485 | 2385 |
| 17 | Plant Ecology | 78 | 1.6K | 165 | 379 |
| 18 | Electrochemical Analysis | 58 | 1.5K | 162 | 188 |
| 19 | Power Electronics | 16 | 1.5K | 480 | 265 |
| 20 | Chemistry | 64 | 1.4K | 2775 | 3416 |
| 21 | Biotechnology | 37 | 1.4K | 1855 | 1988 |
| 21 | Bacteriology | 55 | 1.4K | 339 | 563 |
| 23 | Catalysis | 41 | 1.4K | 1239 | 1267 |
| 24 | Parasitology | 87 | 1.4K | 206 | 387 |
| 25 | Plant Morphology | 53 | 1.4K | 21 | 26 |
| 26 | venom | 31 | 1.3K | 89 | 68 |
| 26 | Toxins | 31 | 1.3K | 102 | 74 |
| 28 | Pollution | 36 | 1.3K | 1753 | 1964 |
| 29 | Environment | 28 | 1.2K | 1739 | 2051 |
| 30 | Chemical Engineering | 42 | 1.1K | 1477 | 1683 |
| 31 | Plant diseases | 33 | 1.1K | 524 | 437 |
| 32 | Molecular Biology | 38 | 1.1K | 2808 | 3290 |
| 33 | Zoology | 56 | 1.1K | 439 | 491 |
| 34 | Microbiology | 47 | 1.0K | 1918 | 2642 |
| 35 | Entomology | 53 | 986 | 425 | 462 |
| 36 | Agricultural Ecology | 7 | 953 | 654 | 311 |
| 37 | Animal Behavior | 49 | 933 | 384 | 658 |
| 38 | Nanotechnology | 30 | 927 | 1838 | 1982 |
| 39 | Geography | 54 | 884 | 340 | 544 |
| 40 | Environmental monitoring | 16 | 876 | 1818 | 1466 |
| 41 | environmental pollution | 23 | 871 | 1764 | 1790 |
| 42 | Mathematics | 120 | 848 | 1029 | 1365 |
| 43 | Latin America | 123 | 843 | 43 | 54 |
| 44 | Agriculture | 77 | 819 | 211 | 557 |
| 45 | Agronomy | 1 | 814 | 917 | 155 |
| 45 | Sustainable agriculture | 1 | 814 | 1358 | 122 |
| 47 | Mites | 26 | 784 | 68 | 32 |
| 48 | Biogeography | 17 | 771 | 313 | 422 |
| 49 | Acarology | 23 | 758 | 35 | 26 |
| 49 | Ticks | 23 | 758 | 35 | 26 |
| 49 | Acari | 23 | 758 | 35 | 26 |
| 52 | coal | 15 | 725 | 706 | 621 |
| 53 | Photochemistry | 33 | 717 | 308 | 437 |
| 53 | Photobiology | 33 | 717 | 158 | 260 |
| 55 | Biodiversity conservation | 16 | 701 | 664 | 906 |
| 56 | Mycology | 8 | 694 | 1019 | 534 |
| 57 | soil microbiology | 5 | 667 | 1165 | 713 |
| 58 | Environmental Management | 18 | 660 | 1211 | 1340 |
| 59 | Animal ecology | 28 | 655 | 288 | 364 |
| 60 | actuators | 12 | 648 | 1186 | 889 |
| 60 | transducers | 12 | 648 | 1186 | 889 |
| 62 | Materials | 39 | 612 | 2108 | 2687 |
| 63 | Fungi | 4 | 594 | 935 | 444 |
| 64 | Plants | 37 | 589 | 484 | 924 |
| 65 | Biodiversity | 28 | 559 | 559 | 882 |
| 66 | Surface Chemistry | 22 | 558 | 1625 | 1732 |
| 67 | Biomedical Engineering | 22 | 516 | 2083 | 2325 |
| 68 | Immunology | 31 | 509 | 1151 | 1892 |
| 69 | Parasites | 35 | 500 | 289 | 515 |
| 70 | Biochemical Engineering | 13 | 495 | 1808 | 2231 |
| 71 | Bioengineering | 14 | 491 | 2239 | 2507 |
| 71 | bees | 30 | 491 | 47 | 105 |
| 73 | Health Policy | 46 | 488 | 413 | 851 |
| 73 | Public Health Administration | 46 | 488 | 41 | 57 |
| 73 | Wildlife conservation | 19 | 488 | 362 | 579 |
| 76 | Optical materials | 20 | 485 | 1130 | 1353 |
| 77 | Evolution | 28 | 473 | 530 | 918 |
| 78 | Tribology | 20 | 466 | 417 | 408 |
| 79 | Pathology | 14 | 465 | 1081 | 1166 |
| 80 | Luminescence | 33 | 455 | 197 | 294 |
| 81 | Solid State Chemistry | 23 | 446 | 957 | 949 |
| 82 | Polymers | 28 | 434 | 1825 | 2132 |
| 83 | Calculus of Variations | 2 | 433 | 581 | 63 |
| 83 | human behavior | 16 | 433 | 973 | 1462 |
| 83 | Earth Sciences | 30 | 433 | 1025 | 1470 |
| 86 | Paleontology | 24 | 426 | 418 | 451 |
| 87 | Parasitic Diseases | 29 | 421 | 475 | 901 |
| 88 | Renewable Energy Sources | 10 | 420 | 1576 | 1866 |
| 89 | Molecular Genetics | 8 | 410 | 1126 | 1025 |
| 90 | Molecular ecology | 4 | 409 | 914 | 669 |
| 91 | Australia | 27 | 405 | 450 | 588 |
| 92 | miniaturization | 12 | 398 | 960 | 1127 |
| 93 | Economics | 100 | 393 | 664 | 1657 |
| 94 | Electrical Engineering | 83 | 391 | 571 | 1109 |
| 95 | Environmental Policy | 11 | 383 | 1772 | 2027 |
| 96 | Analytical Biochemistry | 13 | 369 | 806 | 791 |
| 97 | Population Genetics | 5 | 356 | 914 | 692 |
| 98 | Statistical physics | 41 | 355 | 1031 | 1632 |
| 99 | Psychology | 75 | 354 | 827 | 2217 |
| 100 | Nursing | 26 | 352 | 487 | 555 |
| 100 | Information Science | 8 | 352 | 1581 | 1238 |
| 102 | Geology | 26 | 349 | 1120 | 1441 |
| 103 | Microelectronics | 8 | 347 | 1229 | 1039 |
| 104 | China | 6 | 345 | 2189 | 1214 |
| 105 | Biophysics | 16 | 339 | 2950 | 3374 |
| 105 | polymerization | 22 | 339 | 1721 | 2013 |
| 107 | Medical Laboratory Science | 9 | 334 | 1341 | 1412 |
| 108 | Pediatrics | 6 | 330 | 1825 | 1514 |
| 109 | Epidemiology | 20 | 328 | 1472 | 2000 |
| 110 | environmental protection | 15 | 327 | 1618 | 2051 |
| 111 | Optics | 19 | 326 | 2237 | 2018 |
| 111 | Antarctica | 26 | 326 | 87 | 113 |
| 113 | Manufacturing Processes | 16 | 325 | 1015 | 1150 |
| 114 | Pharmaceutical Chemistry | 14 | 314 | 2062 | 2385 |
| 114 | Biomass Energy | 6 | 314 | 1823 | 1622 |
| 114 | Ethnology | 21 | 314 | 360 | 410 |
| 117 | Sports Medicine | 19 | 313 | 914 | 1118 |
| 118 | Industrial Microbiology | 7 | 309 | 1353 | 1252 |
| 119 | Environmental Health | 13 | 308 | 2875 | 3468 |
| 120 | Ethology | 16 | 299 | 602 | 1050 |
| 121 | Education | 73 | 293 | 526 | 1399 |
| 122 | Pharmacology | 15 | 290 | 2778 | 3357 |
| 123 | Magnetic Materials | 2 | 286 | 1850 | 864 |
| 124 | Genomics | 10 | 280 | 1938 | 2077 |
| 125 | Nanostructured Materials | 10 | 274 | 1849 | 1915 |
| 126 | Cancer | 3 | 269 | 3535 | 2549 |
| 127 | ecosystem | 5 | 268 | 1028 | 935 |
| 128 | Bioorganic chemistry | 10 | 263 | 1779 | 1871 |
| 129 | Electrophoresis | 8 | 262 | 1049 | 935 |
| 130 | Mechanical Engineering | 22 | 260 | 938 | 1034 |
| 130 | Economic History | 68 | 260 | 482 | 1452 |
| 132 | Biocompatible Materials | 7 | 257 | 2691 | 2857 |
| 133 | Insects | 27 | 249 | 344 | 702 |
| 134 | Proteomics | 2 | 247 | 1465 | 842 |
| 135 | Climate change | 4 | 244 | 891 | 1195 |
| 135 | Eutrophication | 4 | 244 | 854 | 1183 |
| 137 | Spectrum analysis | 12 | 240 | 2541 | 2673 |
| 138 | Nuclear Physics | 25 | 237 | 1848 | 2357 |
| 138 | mathematical analysis | 30 | 237 | 753 | 964 |
| 140 | Health Education | 21 | 233 | 607 | 959 |
| 141 | Pharmacognosy | 8 | 232 | 1138 | 1284 |
| 142 | Reproduction | 15 | 231 | 1053 | 1432 |
| 143 | Bioinorganic chemistry | 10 | 228 | 756 | 807 |
| 144 | Chromosome mapping | 6 | 221 | 1379 | 1421 |
| 144 | gene mapping | 6 | 221 | 1535 | 1652 |
| 146 | Birds | 6 | 216 | 826 | 522 |
| 147 | Communication | 20 | 214 | 672 | 1197 |
| 148 | Nutrition | 13 | 210 | 2219 | 3094 |
| 148 | Communication in medicine | 17 | 210 | 143 | 283 |
| 150 | Physiology | 8 | 207 | 2827 | 3045 |
| 151 | plant communities | 14 | 206 | 463 | 892 |
| 152 | Marine Biology | 13 | 205 | 1302 | 1768 |
| 152 | disease vectors | 8 | 205 | 533 | 618 |
| 154 | Materials Science | 13 | 204 | 2586 | 3130 |
| 154 | Chromatography | 8 | 204 | 1036 | 925 |
| 154 | Chromatographic analysis | 8 | 204 | 1207 | 1018 |
| 157 | Colloids | 8 | 199 | 2499 | 2767 |
| 158 | biological factors | 9 | 198 | 1116 | 1260 |
| 159 | Organic Chemistry | 6 | 196 | 2451 | 2176 |
| 160 | Computational Biology | 4 | 193 | 2362 | 1855 |
| 161 | Soil Science | 13 | 188 | 903 | 1364 |
| 162 | Soil ecology | 6 | 185 | 518 | 605 |
| 163 | Solar Energy | 4 | 183 | 1660 | 1472 |
| 164 | Raman spectroscopy | 5 | 182 | 583 | 433 |
| 165 | Image Processing | 10 | 181 | 1318 | 1667 |
| 166 | environmental indicators | 6 | 179 | 836 | 989 |
| 167 | Environmental Engineering | 20 | 177 | 1496 | 2996 |
| 168 | Clinical Chemistry | 5 | 173 | 2501 | 2400 |
| 168 | pigments | 7 | 173 | 509 | 524 |
| 170 | Green Chemistry | 3 | 170 | 1766 | 1642 |
| 171 | Microbial Ecology | 3 | 169 | 2295 | 2197 |
| 171 | biological evolution | 12 | 169 | 991 | 1848 |
| 173 | Environmental Toxicology | 7 | 163 | 1703 | 2160 |
| 174 | Water pollution | 11 | 162 | 1606 | 2393 |
| 174 | Medicinal plants | 3 | 162 | 1420 | 1196 |
| 176 | Health Information Management | 1 | 160 | 618 | 480 |
| 177 | Mathematical Physics | 21 | 158 | 1123 | 1576 |
| 178 | Production Engineering | 10 | 156 | 1101 | 1222 |
| 179 | glycoproteins | 3 | 155 | 498 | 406 |
| 179 | Glycoconjugates | 3 | 155 | 498 | 406 |
| 179 | glycolipids | 3 | 155 | 498 | 406 |
| 182 | herbicides | 13 | 153 | 83 | 156 |
| 183 | Medical Microbiology | 7 | 151 | 1583 | 2175 |
| 184 | Computational Chemistry | 1 | 150 | 1115 | 511 |
| 184 | management | 18 | 150 | 1372 | 2483 |
| 186 | women | 20 | 149 | 172 | 311 |
| 187 | Neurology | 12 | 148 | 2964 | 4458 |
| 187 | Molecular Spectroscopy | 5 | 148 | 1455 | 1234 |
| 189 | Cytology | 8 | 147 | 2884 | 4006 |
| 189 | Cell Biology | 8 | 147 | 2715 | 3903 |
| 189 | Sedimentary rocks | 2 | 147 | 728 | 461 |
| 192 | Molecular structure | 16 | 142 | 1046 | 1843 |
| 193 | machinery | 19 | 139 | 168 | 442 |
| 194 | environmental exposure | 6 | 137 | 1407 | 1688 |
| 195 | Histology | 8 | 136 | 1184 | 1675 |
| 196 | Technology | 5 | 135 | 3296 | 3096 |
| 196 | Food | 6 | 135 | 2337 | 2703 |
| 198 | animals | 13 | 134 | 517 | 749 |
| 199 | Virology | 7 | 133 | 2154 | 3227 |
| 199 | mammals | 14 | 133 | 382 | 709 |
| 201 | preventive medicine | 3 | 132 | 1236 | 1114 |
| 202 | economic policy | 44 | 130 | 441 | 1379 |
| 203 | Automation | 12 | 128 | 1178 | 1880 |
| 204 | medical education | 2 | 127 | 2259 | 1272 |
| 205 | Genetics | 8 | 126 | 2605 | 3926 |
| 205 | Nanochemistry | 1 | 126 | 2036 | 902 |
| 207 | Drug delivery systems | 5 | 124 | 1284 | 1606 |
| 208 | Heat Exchangers | 5 | 123 | 1019 | 1215 |
| 209 | pollutants | 5 | 119 | 1599 | 1939 |
| 209 | Environmental pollutants | 5 | 119 | 1910 | 2213 |
| 209 | Oligosaccharides | 1 | 119 | 514 | 207 |
| 212 | lasers | 6 | 116 | 1755 | 1613 |
| 212 | enzymes | 4 | 116 | 1376 | 1483 |
| 214 | Functional Analysis | 7 | 115 | 819 | 783 |
| 214 | Energy Policy | 7 | 115 | 1895 | 2845 |
| 214 | Physical Chemistry | 7 | 115 | 1499 | 1866 |
| 217 | Bioinformatics | 2 | 114 | 2678 | 1909 |
| 218 | Histochemistry | 5 | 107 | 806 | 890 |
| 218 | Herpetology | 13 | 107 | 84 | 159 |
| 218 | Ornithology | 3 | 107 | 962 | 660 |
| 218 | Reptiles | 13 | 107 | 64 | 144 |
| 222 | Chronobiology | 2 | 106 | 659 | 391 |
| 222 | food technology | 7 | 106 | 1746 | 2394 |
| 222 | Circadian rhythms | 2 | 106 | 502 | 361 |
| 222 | biological clocks | 2 | 106 | 659 | 391 |
| 222 | circadian rhythm | 2 | 106 | 659 | 391 |
| 222 | biological rhythms | 2 | 106 | 629 | 384 |
| 228 | Building | 15 | 105 | 167 | 354 |
| 229 | Cryptography | 14 | 103 | 193 | 331 |
| 229 | Coding Theory | 14 | 103 | 87 | 165 |
| 231 | Neurochemistry | 3 | 102 | 2343 | 2375 |
| 231 | Calorimetry | 5 | 102 | 918 | 878 |
| 231 | Diet | 7 | 102 | 1386 | 2444 |
| 231 | Thermal analysis | 5 | 102 | 918 | 878 |
| 235 | rehabilitation | 2 | 99 | 2781 | 2161 |
| 236 | Breeding | 5 | 98 | 935 | 1164 |
| 237 | Agricultural Engineering | 1 | 97 | 843 | 441 |
| 237 | Drug targeting | 3 | 97 | 310 | 399 |
| 237 | Drying | 2 | 97 | 499 | 335 |
| 237 | drug evaluation | 3 | 97 | 1513 | 1333 |
| 241 | Multiphase Flow | 2 | 96 | 513 | 407 |
| 242 | Behavior | 3 | 95 | 3191 | 3466 |
| 243 | Endocrinology | 12 | 93 | 1623 | 3230 |
| 243 | Astrocytes | 1 | 93 | 765 | 708 |
| 245 | Electronics | 4 | 92 | 3365 | 3092 |
| 245 | Forest Ecology | 5 | 92 | 811 | 1092 |
| 247 | mass transfer | 4 | 91 | 1557 | 1703 |
| 248 | Sleep Disorders | 3 | 89 | 1600 | 1490 |
| 248 | Sleep | 3 | 89 | 1621 | 1500 |
| 250 | Machining | 1 | 88 | 322 | 99 |
| 251 | Agricultural Chemistry | 9 | 86 | 1432 | 2401 |
| 252 | Measurement | 2 | 85 | 1785 | 1240 |
| 253 | California | 1 | 84 | 660 | 340 |
| 254 | nanoscience | 3 | 83 | 2890 | 3081 |
| 255 | Engineering | 6 | 82 | 3462 | 3806 |
| 255 | Telecommunication | 10 | 82 | 1612 | 2380 |
| 255 | proteins | 4 | 82 | 1911 | 2133 |
| 258 | Biomechanics | 3 | 81 | 1355 | 1414 |
| 258 | Business Ethics | 1 | 81 | 1437 | 1236 |
| 258 | Plastics | 1 | 81 | 2673 | 1546 |
| 261 | Medical Physics | 2 | 80 | 2208 | 1887 |
| 261 | Cardiovascular diseases | 3 | 80 | 1769 | 1628 |
| 263 | Physical Therapy | 3 | 79 | 1388 | 1460 |
| 264 | Ultrasonics | 1 | 78 | 2010 | 1537 |
| 264 | Sonochemistry | 1 | 78 | 1104 | 976 |
| 266 | Technology Assessment | 2 | 77 | 540 | 570 |
| 267 | Numerical Analysis | 8 | 76 | 1522 | 1794 |
| 267 | soil management | 3 | 76 | 570 | 761 |
| 267 | Sports | 12 | 76 | 957 | 1657 |
| 267 | Exercise | 12 | 76 | 598 | 1188 |
| 271 | Signal Processing | 3 | 75 | 2581 | 2548 |
| 271 | Nanostructures | 9 | 75 | 1197 | 2230 |
| 271 | Biomass | 1 | 75 | 1308 | 983 |
| 274 | Sustainable Engineering | 3 | 74 | 1702 | 1932 |
| 274 | feeding behavior | 3 | 74 | 716 | 919 |
| 274 | Appetite | 3 | 74 | 633 | 840 |
| 277 | Quality Control | 5 | 73 | 1386 | 1890 |
| 277 | Transportation | 2 | 73 | 2058 | 1665 |
| 277 | Neural circuitry | 4 | 73 | 1802 | 2195 |
| 277 | Carbon | 4 | 73 | 1206 | 1814 |
| 281 | Friction | 2 | 71 | 138 | 162 |
| 282 | Antibodies | 6 | 70 | 468 | 826 |
| 282 | Antigens | 6 | 70 | 638 | 1036 |
| 284 | Semiconductors | 5 | 69 | 1838 | 2000 |
| 284 | tillage | 2 | 69 | 523 | 684 |
| 286 | Public Administration | 15 | 68 | 520 | 1083 |
| 286 | mycoses | 3 | 68 | 834 | 1261 |
| 286 | wildlife diseases | 2 | 68 | 228 | 98 |
| 289 | Surface-Active Agents | 3 | 67 | 1207 | 1545 |
| 289 | Surface properties | 3 | 67 | 1291 | 1634 |
| 289 | Catalysts | 2 | 67 | 883 | 753 |
| 292 | Psychiatry | 4 | 65 | 3776 | 4658 |
| 292 | Biosensors | 1 | 65 | 2093 | 2052 |
| 292 | Physical organic chemistry | 2 | 65 | 1692 | 1461 |
| 295 | Malaria | 2 | 64 | 902 | 872 |
| 296 | Welding | 5 | 63 | 214 | 150 |
| 297 | Information Theory | 8 | 62 | 872 | 1459 |
| 297 | Comparative Physiology | 1 | 62 | 1174 | 918 |
| 297 | Animal breeding | 4 | 62 | 677 | 841 |
| 297 | Respiration | 1 | 62 | 2353 | 1855 |
| 301 | History | 22 | 61 | 329 | 365 |
| 301 | Educational Sociology | 9 | 61 | 111 | 336 |
| 303 | Total Quality Management | 2 | 60 | 719 | 644 |
| 303 | Radiation | 9 | 60 | 1340 | 2203 |
| 303 | Radioisotopes | 8 | 60 | 714 | 1066 |
| 306 | Engineering Mathematics | 4 | 59 | 1683 | 1620 |
| 306 | Marine Pollution | 6 | 59 | 894 | 1685 |
| 306 | Microstructure | 2 | 59 | 1145 | 766 |
| 309 | Dynamics | 6 | 58 | 1120 | 1387 |
| 309 | Paleobiology | 5 | 58 | 253 | 261 |
| 309 | Feminism | 9 | 58 | 273 | 504 |
| 309 | plant viruses | 1 | 58 | 403 | 314 |
| 313 | Systems Engineering | 3 | 56 | 2258 | 2245 |
| 313 | Molecular evolution | 3 | 56 | 1560 | 2120 |
| 313 | Composite Materials | 3 | 56 | 2709 | 3196 |
| 313 | Approximation Theory | 2 | 56 | 496 | 319 |
| 313 | Phylogeny | 3 | 56 | 884 | 1270 |
| 318 | Simulation Methods | 2 | 55 | 1270 | 1057 |
| 318 | Ecosystem management | 2 | 55 | 885 | 881 |
| 318 | Phylogenetics | 5 | 55 | 48 | 99 |
| 321 | Environmental Geology | 6 | 54 | 1172 | 1959 |
| 321 | Japan | 4 | 54 | 1886 | 2051 |
| 321 | software | 1 | 54 | 1891 | 1542 |
| 321 | Fluorescence | 3 | 54 | 440 | 438 |
| 325 | Waste management | 4 | 53 | 1344 | 1672 |
| 325 | Water Purification | 4 | 53 | 1085 | 1389 |
| 325 | Water quality management | 4 | 53 | 1692 | 2149 |
| 328 | Animal genetics | 1 | 52 | 998 | 766 |
| 328 | Amphibians | 7 | 52 | 92 | 196 |
| 330 | Signal Transduction | 3 | 51 | 1552 | 2088 |
| 330 | Europe | 4 | 51 | 2887 | 3268 |
| 332 | Metabolism | 10 | 50 | 1583 | 3940 |
| 332 | Water | 1 | 50 | 3706 | 3484 |
| 332 | energy conservation | 2 | 50 | 2591 | 3017 |
| 332 | System analysis | 2 | 50 | 2763 | 2586 |
| 336 | Marine Ecology | 4 | 49 | 674 | 936 |
| 336 | Plant tissue culture | 1 | 49 | 1208 | 1023 |
| 336 | Plant cell culture | 1 | 49 | 1119 | 1009 |
| 339 | Hydrology | 4 | 48 | 2238 | 2806 |
| 339 | food handling | 3 | 48 | 903 | 1457 |
| 339 | Organometallic compounds | 4 | 48 | 1116 | 1456 |
| 339 | Brain | 3 | 48 | 2638 | 3332 |
| 339 | Developing countries | 3 | 48 | 2540 | 2891 |
| 339 | Argentina | 3 | 48 | 34 | 30 |
| 345 | Drug design | 3 | 47 | 1681 | 2209 |
| 345 | natural products | 6 | 47 | 1302 | 1999 |
| 347 | sexual behavior | 2 | 46 | 838 | 910 |
| 348 | Social Sciences | 4 | 45 | 3056 | 3332 |
| 348 | Applied Linguistics | 24 | 45 | 92 | 573 |
| 348 | Gene expression regulation | 1 | 45 | 1722 | 1490 |
| 348 | Ceramic materials | 3 | 45 | 1412 | 1647 |
| 348 | Genetic regulation | 1 | 45 | 1916 | 1792 |
| 348 | protein | 1 | 45 | 1988 | 1601 |
| 348 | Cellulose | 3 | 45 | 623 | 1011 |
| 348 | Psychophysiology | 3 | 45 | 2642 | 3561 |
| 348 | Aquatic ecology | 1 | 45 | 1538 | 1179 |
| 357 | Sociology | 2 | 44 | 3585 | 3480 |
| 357 | Anatomy | 6 | 44 | 1379 | 2403 |
| 357 | Database Management | 6 | 44 | 542 | 979 |
| 357 | Conservation Biology | 6 | 44 | 791 | 1673 |
| 357 | Nonlinear Dynamics | 8 | 44 | 1265 | 2152 |
| 357 | Teaching | 7 | 44 | 1033 | 1716 |
| 357 | Primates | 2 | 44 | 878 | 882 |
| 364 | Geomorphology | 3 | 43 | 1372 | 1907 |
| 364 | Environmental Microbiology | 2 | 43 | 1764 | 2340 |
| 364 | Plant Biotechnology | 1 | 43 | 1379 | 1175 |
| 364 | Plant genetic engineering | 1 | 43 | 1511 | 1443 |
| 368 | Ophthalmology | 1 | 42 | 2720 | 2384 |
| 368 | Climatology | 3 | 42 | 1731 | 2282 |
| 368 | Plant Taxonomy | 3 | 42 | 408 | 511 |
| 368 | Remote Sensing | 3 | 42 | 1629 | 1582 |
| 368 | Immunopathology | 3 | 42 | 1352 | 1911 |
| 368 | Animal health | 6 | 42 | 275 | 440 |
| 374 | Pharmaceutical Technology | 2 | 41 | 1931 | 2198 |
| 374 | Food Microbiology | 2 | 41 | 1535 | 2113 |
| 374 | Soil biology | 2 | 41 | 1083 | 1480 |
| 374 | United States | 6 | 41 | 4067 | 6207 |
| 378 | Histocompatibility Testing | 2 | 40 | 662 | 783 |
| 379 | Restoration Ecology | 2 | 39 | 567 | 692 |
| 379 | Invertebrates | 2 | 39 | 767 | 874 |
| 381 | Mass Spectrometry | 2 | 38 | 1480 | 1594 |
| 381 | Metabolic syndrome | 2 | 38 | 371 | 464 |
| 383 | Neuropsychology | 2 | 37 | 2682 | 3026 |
| 383 | Ceramics | 6 | 37 | 1196 | 1890 |
| 383 | Nonlinear functional analysis | 3 | 37 | 1095 | 1227 |
| 383 | Plant physiology | 6 | 37 | 1549 | 2881 |
| 383 | locomotion | 1 | 37 | 1078 | 962 |
| 383 | posture | 1 | 37 | 1078 | 962 |
| 383 | reasoning | 1 | 37 | 762 | 543 |
| 383 | peptides | 3 | 37 | 856 | 1125 |
| 383 | Africa | 1 | 37 | 2573 | 1554 |
| 383 | Middle East | 1 | 37 | 1735 | 1002 |
| 383 | Glass | 4 | 37 | 1064 | 1624 |
| 383 | pottery | 4 | 37 | 1023 | 1585 |
| 383 | Fuzzy systems | 1 | 37 | 2529 | 1776 |
| 383 | gait | 1 | 37 | 1078 | 962 |
| 383 | walking | 1 | 37 | 1078 | 962 |
| 398 | Alternative Medicine | 2 | 36 | 1939 | 2378 |
| 398 | complementary therapies | 2 | 36 | 2135 | 2494 |
| 398 | Oligosaccharide | 2 | 36 | 407 | 660 |
| 398 | Carbohydrates | 2 | 36 | 586 | 814 |
| 402 | Humanities | 1 | 35 | 3018 | 1708 |
| 402 | Microbial Biotechnology | 2 | 35 | 1323 | 1663 |
| 402 | health planning | 6 | 35 | 1591 | 2844 |
| 405 | soil conservation | 2 | 34 | 1037 | 1296 |
| 405 | Informatics | 1 | 34 | 1479 | 1317 |
| 407 | Hematology | 3 | 33 | 2726 | 3506 |
| 407 | Social behavior | 3 | 33 | 1150 | 1704 |
| 409 | Building Materials | 1 | 32 | 2350 | 2465 |
| 409 | Organizational Sociology | 10 | 32 | 117 | 502 |
| 409 | Organometallic chemistry | 4 | 32 | 1869 | 2372 |
| 409 | Immunochemistry | 1 | 32 | 1754 | 1605 |
| 409 | Quantum Optics | 4 | 32 | 797 | 1109 |
| 409 | Atomic spectroscopy | 4 | 32 | 1026 | 1493 |
| 409 | Laser Spectroscopy | 4 | 32 | 746 | 1066 |
| 416 | Computer Graphics | 5 | 31 | 1428 | 2340 |
| 416 | Geometry | 6 | 31 | 744 | 941 |
| 416 | bioclimatology | 2 | 31 | 1181 | 1479 |
| 416 | Infertility | 1 | 31 | 1410 | 1647 |
| 416 | Zeolites | 2 | 31 | 1165 | 1602 |
| 416 | Roads | 1 | 31 | 1221 | 875 |
| 416 | disease outbreaks | 1 | 31 | 977 | 1070 |
| 416 | Climate | 2 | 31 | 762 | 1093 |
| 416 | Epidemics | 1 | 31 | 915 | 1048 |
| 416 | weather | 2 | 31 | 728 | 1045 |
| 416 | fertility | 1 | 31 | 1518 | 1746 |
| 427 | Morphology | 3 | 30 | 808 | 1029 |
| 427 | Membranes | 2 | 30 | 2058 | 2767 |
| 429 | Operations Research | 3 | 29 | 2089 | 2689 |
| 429 | Ferroelectricity | 18 | 29 | 376 | 1229 |
| 429 | Mesoporous materials | 1 | 29 | 167 | 194 |
| 429 | Chromosomes | 2 | 29 | 1227 | 1693 |
| 429 | Detectors | 2 | 29 | 1912 | 2222 |
| 434 | Geophysics | 3 | 28 | 3537 | 4562 |
| 434 | Combinatorial chemistry | 2 | 28 | 977 | 1575 |
| 434 | Quantum theory | 5 | 28 | 749 | 1242 |
| 434 | plant oils | 3 | 28 | 223 | 399 |
| 434 | Aging | 3 | 28 | 2810 | 3828 |
| 434 | Vaccines | 3 | 28 | 2021 | 3138 |
| 440 | Music | 1 | 27 | 1455 | 1022 |
| 440 | Control Theory | 4 | 27 | 1566 | 2129 |
| 440 | voice | 1 | 27 | 857 | 719 |
| 440 | bioluminescence | 3 | 27 | 368 | 522 |
| 444 | Ecological Genetics | 3 | 26 | 661 | 995 |
| 444 | Neurotoxicology | 1 | 26 | 1079 | 1266 |
| 444 | Neonatology | 3 | 26 | 645 | 1094 |
| 444 | Apoptosis | 1 | 26 | 558 | 665 |
| 444 | neurotoxins | 1 | 26 | 558 | 665 |
| 444 | Neurotoxic agents | 1 | 26 | 558 | 665 |
| 444 | risk factors | 1 | 26 | 1225 | 1237 |
| 444 | Drug delivery devices | 1 | 26 | 536 | 741 |
| 444 | Multimedia Systems | 4 | 26 | 1666 | 2364 |
| 444 | Bacteria | 1 | 26 | 632 | 849 |
| 444 | Bacterial infections | 1 | 26 | 1524 | 1768 |
| 444 | Nerve regeneration | 1 | 26 | 558 | 665 |
| 444 | Digestive system diseases | 2 | 26 | 1170 | 1623 |
| 444 | Insect biochemistry | 1 | 26 | 757 | 835 |
| 458 | Statistics | 1 | 25 | 3735 | 2997 |
| 458 | Public Policy | 2 | 25 | 2231 | 2985 |
| 458 | Bibliometrics | 1 | 25 | 317 | 360 |
| 458 | Business | 4 | 25 | 1849 | 2973 |
| 458 | Liposomes | 1 | 25 | 974 | 966 |
| 463 | Industrial Engineering | 4 | 24 | 1623 | 2770 |
| 463 | Sustainable Development | 1 | 24 | 3347 | 3447 |
| 463 | Artificial Intelligence | 4 | 24 | 3262 | 4845 |
| 463 | Environmental Chemistry | 3 | 24 | 2264 | 3598 |
| 463 | Drug discovery | 2 | 24 | 385 | 651 |
| 463 | Recycling | 1 | 24 | 1110 | 1589 |
| 469 | vibration | 2 | 23 | 1436 | 1789 |
| 469 | Health | 4 | 23 | 1983 | 3729 |
| 469 | soil pollution | 1 | 23 | 1122 | 1088 |
| 469 | Nanoparticles | 2 | 23 | 2271 | 2932 |
| 469 | Swarm Intelligence | 1 | 23 | 568 | 632 |
| 469 | Quality of life | 1 | 23 | 2567 | 2866 |
| 469 | Mitochondrial DNA | 1 | 23 | 474 | 248 |
| 469 | Therapeutics | 1 | 23 | 2957 | 3278 |
| 469 | Work | 4 | 23 | 243 | 524 |
| 469 | Ore deposits | 1 | 23 | 819 | 841 |
| 469 | Memory | 2 | 23 | 2249 | 3077 |
| 480 | Global Health | 1 | 22 | 2151 | 1940 |
| 480 | Pathogens | 1 | 22 | 270 | 308 |
| 480 | drugs | 2 | 22 | 2759 | 3688 |
| 483 | Anthropology | 2 | 21 | 1742 | 1972 |
| 483 | Data Mining | 4 | 21 | 1553 | 3108 |
| 483 | Fluid Mechanics | 3 | 21 | 1606 | 2298 |
| 483 | Structural dynamics | 1 | 21 | 1533 | 1757 |
| 483 | Serology | 1 | 21 | 954 | 1039 |
| 483 | Biogeochemistry | 1 | 21 | 1701 | 2076 |
| 483 | pharmaceutical industry | 1 | 21 | 1133 | 1151 |
| 490 | Geriatrics | 1 | 20 | 4565 | 4379 |
| 490 | Pharmacy | 1 | 20 | 3411 | 3671 |
| 490 | Nuclear Engineering | 2 | 20 | 2062 | 2188 |
| 490 | Systems Analysis | 1 | 20 | 1931 | 1891 |
| 490 | Energy Storage | 2 | 20 | 1577 | 2022 |
| 490 | Product Design | 1 | 20 | 942 | 841 |
| 490 | Pharmacokinetics | 1 | 20 | 1532 | 1841 |
| 490 | History of Medicine | 5 | 20 | 277 | 340 |
| 490 | Combustion | 3 | 20 | 1296 | 2001 |
| 490 | Molecules | 2 | 20 | 1781 | 1968 |
| 490 | wood | 2 | 20 | 591 | 782 |
| 490 | Aquaculture | 2 | 20 | 1715 | 2188 |
| 502 | Photonics | 2 | 19 | 2300 | 2996 |
| 502 | Geographic information systems | 3 | 19 | 1175 | 1787 |
| 502 | Soviet Union | 1 | 19 | 1408 | 919 |
| 502 | Testing | 1 | 19 | 199 | 165 |
| 502 | Nitric oxide | 2 | 19 | 338 | 734 |
| 507 | Cartography | 8 | 18 | 195 | 694 |
| 507 | Reproductive health | 1 | 18 | 1488 | 1686 |
| 507 | Travel | 1 | 18 | 1519 | 1582 |
| 507 | Socioeconomic Factors | 2 | 18 | 1004 | 1826 |
| 507 | cosmetics | 1 | 18 | 431 | 517 |
| 512 | Structural Engineering | 2 | 17 | 1940 | 2409 |
| 512 | Software Engineering | 1 | 17 | 1657 | 1642 |
| 512 | Obstetrics | 2 | 17 | 2907 | 3921 |
| 512 | Earthquake Engineering | 2 | 17 | 1554 | 2146 |
| 512 | Cytogenetics | 1 | 17 | 2317 | 2822 |
| 512 | health services accessibility | 1 | 17 | 1788 | 1894 |
| 512 | Biotransformation | 1 | 17 | 288 | 300 |
| 512 | Ocean Engineering | 2 | 17 | 2037 | 2735 |
| 512 | Taste | 1 | 17 | 570 | 693 |
| 512 | flavor | 1 | 17 | 376 | 515 |
| 512 | smell | 1 | 17 | 570 | 693 |
| 512 | Budget | 1 | 17 | 291 | 277 |
| 512 | body temperature | 2 | 17 | 678 | 1122 |
| 512 | Developed countries | 1 | 17 | 457 | 535 |
| 526 | Marine Geology | 1 | 16 | 1029 | 1163 |
| 526 | Petroleum Geology | 1 | 16 | 867 | 1032 |
| 526 | Geochemistry | 1 | 16 | 2869 | 3279 |
| 526 | Developmental Immunology | 1 | 16 | 1034 | 1335 |
| 526 | biomedicine | 1 | 16 | 1075 | 1385 |
| 526 | Women's health | 1 | 16 | 2381 | 2636 |
| 532 | Political Science | 7 | 15 | 1088 | 2010 |
| 532 | Philosophy | 15 | 15 | 669 | 1328 |
| 532 | Special Education | 3 | 15 | 741 | 1171 |
| 532 | Information Retrieval | 2 | 15 | 653 | 1000 |
| 532 | Neurophysiology | 1 | 15 | 4032 | 4691 |
| 532 | Diagnostic microbiology | 2 | 15 | 1506 | 2621 |
| 532 | Infrared spectroscopy | 1 | 15 | 689 | 848 |
| 532 | Library Science | 3 | 15 | 940 | 1354 |
| 540 | Neurobiology | 1 | 14 | 2554 | 3222 |
| 540 | Economic Development | 10 | 14 | 789 | 2947 |
| 540 | Transnational corporations | 2 | 14 | 485 | 936 |
| 540 | International Finance | 2 | 14 | 1891 | 2498 |
| 540 | Learning | 1 | 14 | 1911 | 2252 |
| 540 | South America | 2 | 14 | 77 | 93 |
| 546 | Evolutionary Genetics | 2 | 13 | 908 | 1714 |
| 546 | Molecular Epidemiology | 2 | 13 | 908 | 1714 |
| 546 | Algorithms | 1 | 13 | 1202 | 1204 |
| 546 | Metallurgy | 3 | 13 | 2532 | 3573 |
| 546 | Integrated Circuits | 2 | 13 | 1141 | 1212 |
| 546 | Wetland ecology | 1 | 13 | 914 | 1092 |
| 546 | aromatic plants | 1 | 13 | 441 | 473 |
| 546 | arthritis | 1 | 13 | 1827 | 2480 |
| 546 | wetland management | 1 | 13 | 406 | 564 |
| 546 | Perception | 2 | 13 | 2272 | 3431 |
| 546 | Metals | 3 | 13 | 2247 | 3364 |
| 557 | Genetic Toxicology | 1 | 12 | 905 | 1321 |
| 557 | Phytochemistry | 2 | 12 | 414 | 909 |
| 557 | Veterinary Pathology | 3 | 12 | 343 | 671 |
| 557 | Phytoremediation | 2 | 12 | 414 | 909 |
| 557 | environmental remediation | 2 | 12 | 512 | 1051 |
| 557 | Bioreactors | 2 | 12 | 414 | 909 |
| 557 | Cytoskeleton | 1 | 12 | 453 | 683 |
| 557 | Porous materials | 1 | 12 | 1337 | 1504 |
| 557 | Diplomatic relations | 3 | 12 | 645 | 790 |
| 566 | Political Sociology | 5 | 11 | 329 | 802 |
| 566 | Land use | 1 | 11 | 1885 | 2409 |
| 566 | Geodynamics | 2 | 11 | 1023 | 1564 |
| 566 | land degradation | 1 | 11 | 953 | 1293 |
| 566 | heredity | 1 | 11 | 1185 | 1449 |
| 566 | optical devices | 2 | 11 | 666 | 1086 |
| 566 | degradation | 1 | 11 | 953 | 1293 |
| 573 | Law | 1 | 10 | 1828 | 1445 |
| 573 | Petroleum Engineering | 1 | 10 | 1337 | 1615 |
| 573 | Medical Technology | 1 | 10 | 3134 | 3840 |
| 573 | Linguistics | 18 | 10 | 434 | 1877 |
| 573 | Sedimentology | 2 | 10 | 776 | 1407 |
| 573 | Statistical Mechanics | 2 | 10 | 766 | 1082 |
| 573 | Biological Systems | 1 | 10 | 1072 | 1510 |
| 573 | Marine invertebrates | 1 | 10 | 469 | 551 |
| 573 | Microprocessors | 2 | 10 | 859 | 1386 |
| 573 | Computational Fluid Dynamics | 1 | 10 | 1091 | 1364 |
| 573 | Child Development | 2 | 10 | 2228 | 3568 |
| 573 | Semigroups | 3 | 10 | 246 | 375 |
| 573 | Health promotion | 2 | 10 | 1491 | 2599 |
| 573 | Medical innovations | 1 | 10 | 1813 | 2792 |
| 587 | Algebra | 5 | 9 | 1077 | 1613 |
| 587 | Mineralogy | 2 | 9 | 1674 | 2391 |
| 587 | Computational Mathematics | 1 | 9 | 192 | 269 |
| 587 | Radiation Protection | 3 | 9 | 732 | 1210 |
| 587 | radiation monitoring | 3 | 9 | 648 | 1133 |
| 587 | reforestation | 1 | 9 | 319 | 496 |
| 587 | Fracture mechanics | 3 | 9 | 1513 | 2585 |
| 587 | Marine biodiversity | 1 | 9 | 415 | 487 |
| 587 | Mutagenesis | 1 | 9 | 928 | 1318 |
| 587 | Metabolic diseases | 1 | 9 | 3453 | 4553 |
| 587 | teratogenic agents | 1 | 9 | 483 | 718 |
| 587 | Microbial Metabolism | 1 | 9 | 426 | 806 |
| 587 | Visual Perception | 1 | 9 | 2739 | 3415 |
| 587 | Hormones | 1 | 9 | 2064 | 2737 |
| 587 | Consumer education | 2 | 9 | 450 | 1063 |
| 587 | afforestation | 1 | 9 | 319 | 496 |
| 587 | carcinogens | 1 | 9 | 1706 | 2393 |
| 587 | primary prevention | 1 | 9 | 793 | 1242 |
| 587 | chronic disease | 1 | 9 | 622 | 932 |
| 587 | violence | 1 | 9 | 1501 | 2062 |
| 587 | Attention | 1 | 9 | 2838 | 3606 |
| 587 | sex crimes | 1 | 9 | 1021 | 1398 |
| 609 | Immunotherapy | 1 | 8 | 3172 | 4162 |
| 609 | Econometrics | 1 | 8 | 2040 | 2239 |
| 609 | Dietetics | 1 | 8 | 1120 | 1461 |
| 609 | Environmental hydraulics | 1 | 8 | 41 | 88 |
| 609 | industrial hygiene | 2 | 8 | 1373 | 2143 |
| 609 | Immunopharmacology | 1 | 8 | 1946 | 2588 |
| 609 | Ecohydrology | 1 | 8 | 731 | 985 |
| 609 | Real-time Data Processing | 1 | 8 | 242 | 371 |
| 609 | Developmental Neurobiology | 2 | 8 | 699 | 1279 |
| 609 | Randomized Controlled Trials | 1 | 8 | 2062 | 2725 |
| 609 | Entropy | 1 | 8 | 1944 | 2263 |
| 609 | personality | 1 | 8 | 2078 | 2650 |
| 609 | marketing | 1 | 8 | 2657 | 3146 |
| 609 | cytokines | 1 | 8 | 2104 | 2845 |
| 609 | Asia | 1 | 8 | 4679 | 5131 |
| 609 | Imaging systems | 1 | 8 | 1528 | 1663 |
| 609 | Microscopy | 2 | 8 | 1806 | 2747 |
| 609 | sex differences | 1 | 8 | 301 | 579 |
| 627 | Embryology | 2 | 7 | 1784 | 3016 |
| 627 | Biochemical Genetics | 1 | 7 | 945 | 1097 |
| 627 | Differential Equations | 2 | 7 | 1133 | 1504 |
| 627 | Wireless Communication Systems | 3 | 7 | 2356 | 3759 |
| 627 | embryonic development | 2 | 7 | 528 | 1120 |
| 627 | Social policy | 3 | 7 | 991 | 2052 |
| 627 | global environmental change | 2 | 7 | 1083 | 2213 |
| 627 | Nonlinear mechanics | 1 | 7 | 796 | 1032 |
| 627 | environmental issues | 2 | 7 | 582 | 1352 |
| 636 | Criminology | 1 | 6 | 1343 | 1647 |
| 636 | Urology | 1 | 6 | 2610 | 3422 |
| 636 | Robotics | 1 | 6 | 2684 | 3319 |
| 636 | Chemical Ecology | 1 | 6 | 854 | 1309 |
| 636 | Adsorption | 1 | 6 | 450 | 664 |
| 636 | Metallic Glasses | 3 | 6 | 479 | 1126 |
| 636 | Adaptive control systems | 1 | 6 | 1027 | 1372 |
| 636 | Chemical processes | 2 | 6 | 852 | 1626 |
| 636 | Arthropods | 1 | 6 | 506 | 767 |
| 636 | Agricultural systems | 1 | 6 | 607 | 1062 |
| 646 | Computer Science | 2 | 5 | 2630 | 4038 |
| 646 | Epigenetics | 1 | 5 | 422 | 715 |
| 646 | Pharmacogenetics | 1 | 5 | 1740 | 2581 |
| 646 | Telemedicine | 1 | 5 | 788 | 1357 |
| 646 | Anti-inflammatory agents | 1 | 5 | 531 | 923 |
| 646 | civil rights | 1 | 5 | 704 | 958 |
| 646 | Epigenomics | 1 | 5 | 415 | 705 |
| 646 | Biomarkers | 1 | 5 | 925 | 1483 |
| 646 | gene therapy | 1 | 5 | 1842 | 2763 |
| 646 | Crystallography | 5 | 5 | 1392 | 2570 |
| 646 | Inflammation | 1 | 5 | 1882 | 2783 |
| 646 | Sexuality | 1 | 5 | 579 | 860 |
| 646 | starch | 2 | 5 | 439 | 955 |
| 646 | Mechanics | 2 | 5 | 1564 | 2383 |
| 646 | data collection | 1 | 5 | 2135 | 3089 |
| 646 | Islam | 1 | 5 | 818 | 973 |
| 646 | commerce | 2 | 5 | 1905 | 3039 |
| 646 | Genetic therapy | 1 | 5 | 1907 | 2857 |
| 646 | computer networks | 3 | 5 | 2477 | 4258 |
| 646 | biochemical markers | 1 | 5 | 1281 | 2047 |
| 646 | Radiation dosimetry | 1 | 5 | 925 | 1118 |
| 646 | India | 2 | 5 | 1932 | 2860 |
| 646 | Islamic civilization | 1 | 5 | 204 | 99 |
| 646 | mathematical concepts | 1 | 5 | 777 | 1042 |
| 646 | Kidney diseases | 1 | 5 | 1641 | 2267 |
| 671 | Oncology | 1 | 4 | 3788 | 5325 |
| 671 | Soil Mechanics | 1 | 4 | 1709 | 2157 |
| 671 | Paleoclimatology | 1 | 4 | 1562 | 2155 |
| 671 | Rock Mechanics | 1 | 4 | 1368 | 1846 |
| 671 | Thermodynamics | 1 | 4 | 1959 | 2387 |
| 671 | Energy Conversion | 1 | 4 | 1839 | 2498 |
| 671 | Paleoecology | 1 | 4 | 1511 | 2061 |
| 671 | Neurosurgery | 1 | 4 | 1615 | 2371 |
| 671 | Fluid Dynamics | 1 | 4 | 1749 | 2316 |
| 671 | Oral Medicine | 1 | 4 | 1224 | 1672 |
| 671 | Hypertension | 1 | 4 | 2384 | 3416 |
| 671 | Engineering Geology | 1 | 4 | 2091 | 2732 |
| 671 | Quantum electronics | 1 | 4 | 2594 | 3165 |
| 671 | Educational Technology | 1 | 4 | 2570 | 3569 |
| 671 | Food Preservation | 1 | 4 | 1324 | 1880 |
| 671 | Educational Psychology | 3 | 4 | 1336 | 2796 |
| 671 | Health Physics | 2 | 4 | 269 | 626 |
| 671 | Hemodynamics | 1 | 4 | 976 | 1482 |
| 671 | Computer-Aided Design | 1 | 4 | 2103 | 2850 |
| 671 | Thermochemistry | 1 | 4 | 774 | 1158 |
| 671 | Paleogeography | 1 | 4 | 1372 | 1891 |
| 671 | Behavioral research | 1 | 4 | 1024 | 1701 |
| 671 | Geriatric Oncology | 1 | 4 | 1100 | 1773 |
| 671 | Accreditation | 1 | 4 | 210 | 338 |
| 671 | Fixed Point Theory | 4 | 4 | 165 | 562 |
| 671 | fuel cells | 1 | 4 | 1882 | 2534 |
| 671 | ethanol | 1 | 4 | 899 | 1347 |
| 671 | alcoholism | 1 | 4 | 2270 | 3295 |
| 671 | finance | 1 | 4 | 3261 | 3800 |
| 671 | educational innovations | 1 | 4 | 922 | 1340 |
| 701 | Rheumatology | 1 | 3 | 1832 | 2577 |
| 701 | Telecommunication Systems | 1 | 3 | 2507 | 3104 |
| 701 | Horticulture | 2 | 3 | 976 | 1870 |
| 701 | Landscape Ecology | 1 | 3 | 795 | 1337 |
| 701 | Social Psychology | 1 | 3 | 3187 | 4422 |
| 701 | Comparative Psychology | 1 | 3 | 253 | 457 |
| 701 | Kinetics | 1 | 3 | 933 | 1449 |
| 701 | Ichthyology | 1 | 3 | 826 | 1204 |
| 701 | Mass Media | 1 | 3 | 1270 | 1492 |
| 701 | Chemical kinetics | 1 | 3 | 1280 | 1732 |
| 701 | Exercise therapy | 2 | 3 | 567 | 1223 |
| 701 | Animal welfare | 1 | 3 | 595 | 1109 |
| 701 | elasticity | 1 | 3 | 404 | 599 |
| 701 | animal diseases | 2 | 3 | 634 | 1544 |
| 701 | Planets | 1 | 3 | 2142 | 3076 |
| 701 | Human biology | 1 | 3 | 1121 | 1708 |
| 701 | Fisheries | 1 | 3 | 2482 | 3335 |
| 701 | Fish | 1 | 3 | 631 | 979 |
| 719 | Plant Genetics | 1 | 2 | 1121 | 1729 |
| 719 | Plant Pathology | 2 | 2 | 213 | 530 |
| 719 | Social Movements | 2 | 2 | 133 | 445 |
| 719 | Clinical Immunology | 1 | 2 | 1812 | 2731 |
| 719 | Atmospheric Physics | 1 | 2 | 2292 | 3219 |
| 719 | Artificial Organs | 1 | 2 | 1092 | 1638 |
| 719 | Research Design | 1 | 2 | 2147 | 3533 |
| 719 | Liquid Crystals | 1 | 2 | 1451 | 1856 |
| 719 | Biodegradation | 1 | 2 | 1392 | 2208 |
| 719 | Powder Metallurgy | 1 | 2 | 517 | 743 |
| 719 | drug resistance | 2 | 2 | 1065 | 2379 |
| 719 | civilization | 3 | 2 | 915 | 1432 |
| 719 | Foodborne diseases | 1 | 2 | 502 | 899 |
| 719 | drug development | 1 | 2 | 1925 | 3122 |
| 719 | scientific societies | 1 | 2 | 1362 | 2253 |
| 719 | Scandinavia | 1 | 2 | 1113 | 1774 |
| 719 | Jurisprudence | 1 | 2 | 1460 | 2099 |
| 719 | Endocrine system | 1 | 2 | 1280 | 1146 |
| 737 | Urban Planning | 1 | 1 | 678 | 1170 |
| 737 | Information Systems | 1 | 1 | 2509 | 3880 |
| 737 | Visual Communication | 1 | 1 | 893 | 1419 |
| 737 | Computer Architecture | 1 | 1 | 998 | 1451 |
| 737 | Regional Planning | 1 | 1 | 2235 | 3281 |
| 737 | Databases | 1 | 1 | 640 | 1111 |
| 737 | Number Theory | 2 | 1 | 901 | 1604 |
| 737 | Operator theory | 1 | 1 | 729 | 955 |
| 737 | symbiosis | 1 | 1 | 322 | 714 |
| 737 | Organizational change | 1 | 1 | 1244 | 2105 |
| 737 | Critical thinking | 1 | 1 | 90 | 135 |
| 737 | Flow Visualization | 2 | 1 | 87 | 209 |
| 737 | poverty | 1 | 1 | 850 | 1637 |
| 737 | Rock deformation | 1 | 1 | 381 | 728 |
| 737 | Expert Systems | 1 | 1 | 506 | 1047 |
| 737 | Risk assessment | 1 | 1 | 1267 | 2248 |
| 737 | healthcare disparities | 1 | 1 | 956 | 1779 |
| 737 | Image enhancement | 1 | 1 | 731 | 1218 |
| 737 | Urbanization | 1 | 1 | 400 | 808 |
| 737 | Technological Innovations | 1 | 1 | 1896 | 3006 |
| 737 | motor learning | 1 | 1 | 41 | 94 |
| 737 | cooperation | 1 | 1 | 258 | 504 |
| 737 | movement disorders | 1 | 1 | 41 | 94 |
| 737 | Industrial Policy | 1 | 1 | 841 | 1360 |
| 737 | big data | 1 | 1 | 1239 | 2096 |
| 737 | Physical fitness | 1 | 1 | 1553 | 2326 |
| 737 | Cost effectiveness | 1 | 1 | 179 | 390 |
| 737 | city planning | 1 | 1 | 2440 | 3670 |
| 737 | Decision making | 1 | 1 | 2515 | 3988 |
| 737 | motor skills | 1 | 1 | 394 | 727 |
| 767 | Literature | 5 | 0 | 553 | 1187 |
| 767 | Radiology | 1 | 0 | 2463 | 3668 |
| 767 | Visual Arts | 1 | 0 | 168 | 321 |
| 767 | Industrial Design | 1 | 0 | 515 | 985 |
| 767 | Latin American Literature | 1 | 0 | 248 | 283 |
| 767 | Comparative Literature | 1 | 0 | 283 | 329 |
| 767 | Interpersonal Communication | 1 | 0 | 102 | 240 |
| 767 | cosmic rays | 1 | 0 | 834 | 1369 |
| 767 | Infection control | 1 | 0 | 751 | 1511 |
| 767 | Translation | 1 | 0 | 245 | 362 |
| 767 | Child welfare | 1 | 0 | 1908 | 3224 |
| 767 | Public opinion | 1 | 0 | 716 | 1293 |
| 767 | philology | 1 | 0 | 758 | 807 |
| 767 | Semiotics | 1 | 0 | 620 | 948 |
| 767 | Environmental risk assessment | 1 | 0 | 882 | 1661 |
| 767 | environmental control | 1 | 0 | 476 | 989 |
| 767 | design | 1 | 0 | 459 | 740 |
| 767 | Child health | 1 | 0 | 39 | 109 |
| 767 | compost | 1 | 0 | 51 | 214 |
| 767 | Combinatorial analysis | 1 | 0 | 1365 | 1856 |
| 767 | Spanish language | 1 | 0 | 185 | 282 |
| 767 | public opinion polls | 1 | 0 | 186 | 396 |