| 1 | Mathematics | 354 | 8.3K | 490 | 274 |
| 2 | Physics | 188 | 5.1K | 1375 | 2124 |
| 3 | Nuclear Physics | 250 | 4.2K | 650 | 800 |
| 4 | Materials | 115 | 3.4K | 1186 | 1211 |
| 5 | Chemistry | 121 | 3.1K | 1905 | 2272 |
| 6 | Neural circuitry | 65 | 2.8K | 147 | 135 |
| 7 | Nanotechnology | 58 | 2.3K | 1272 | 1262 |
| 8 | Science | 69 | 2.1K | 2448 | 3376 |
| 9 | Optical materials | 43 | 2.0K | 676 | 586 |
| 10 | Medicine | 108 | 2.0K | 1918 | 2878 |
| 11 | Chemical Engineering | 52 | 1.9K | 1206 | 1252 |
| 12 | Catalysis | 38 | 1.9K | 1264 | 1081 |
| 13 | Materials Science | 34 | 1.7K | 1614 | 1248 |
| 14 | Optics | 80 | 1.6K | 1027 | 872 |
| 15 | Biochemical Engineering | 36 | 1.6K | 882 | 1229 |
| 16 | Environment | 23 | 1.6K | 1844 | 1790 |
| 17 | Fractals | 60 | 1.5K | 60 | 67 |
| 18 | mathematical analysis | 79 | 1.4K | 358 | 277 |
| 19 | Biomedical Engineering | 67 | 1.3K | 974 | 1337 |
| 20 | Analytical Chemistry | 47 | 1.2K | 1306 | 1346 |
| 21 | Nanostructured Materials | 31 | 1.2K | 1107 | 980 |
| 22 | Research | 56 | 1.2K | 2275 | 2850 |
| 23 | Biomass Energy | 21 | 1.1K | 885 | 829 |
| 24 | Ecology | 22 | 1.1K | 2636 | 2504 |
| 25 | Biochemistry | 64 | 1.1K | 2482 | 3334 |
| 26 | Biocompatible Materials | 29 | 1.1K | 1320 | 1483 |
| 27 | Artificial Intelligence | 43 | 1.1K | 975 | 1054 |
| 28 | Nervous system | 21 | 1.1K | 835 | 798 |
| 29 | Molecular Biology | 56 | 1.0K | 2214 | 3228 |
| 30 | Biology | 49 | 1.0K | 2742 | 4453 |
| 31 | Pollution | 29 | 1.0K | 1939 | 2171 |
| 32 | nanoscience | 26 | 901 | 1051 | 1128 |
| 33 | Statistical physics | 50 | 872 | 1022 | 1106 |
| 34 | Automation | 31 | 816 | 640 | 801 |
| 35 | Magnetic Materials | 18 | 813 | 643 | 412 |
| 36 | environmental pollution | 23 | 807 | 1722 | 1866 |
| 37 | Aquaculture | 46 | 806 | 255 | 390 |
| 38 | Nanoparticles | 12 | 803 | 936 | 599 |
| 39 | Electrochemistry | 30 | 789 | 1356 | 1250 |
| 40 | Engineering | 36 | 788 | 1251 | 1097 |
| 41 | Microbiology | 47 | 782 | 1872 | 2956 |
| 42 | Biotechnology | 53 | 767 | 1575 | 2719 |
| 43 | Environmental monitoring | 16 | 755 | 1741 | 1593 |
| 44 | health planning | 25 | 640 | 555 | 473 |
| 45 | Surface Chemistry | 21 | 635 | 1610 | 1609 |
| 46 | Condensed Matter | 29 | 631 | 1381 | 1367 |
| 47 | Control Theory | 50 | 614 | 319 | 503 |
| 48 | Colloids | 18 | 602 | 1671 | 1708 |
| 49 | Quantum Gravity | 20 | 601 | 1000 | 926 |
| 50 | China | 44 | 600 | 576 | 797 |
| 51 | Pharmacology | 34 | 593 | 1769 | 2405 |
| 52 | Education | 14 | 591 | 1844 | 950 |
| 53 | Agricultural Chemistry | 32 | 574 | 566 | 904 |
| 54 | Systems Engineering | 39 | 542 | 405 | 683 |
| 55 | Environmental Policy | 7 | 532 | 2139 | 1649 |
| 56 | Environmental Management | 13 | 515 | 1387 | 1523 |
| 57 | Environmental Health | 14 | 511 | 2618 | 2638 |
| 58 | Energy Policy | 9 | 488 | 1580 | 1449 |
| 59 | Information Science | 21 | 481 | 808 | 996 |
| 60 | Bioengineering | 27 | 480 | 1479 | 2482 |
| 61 | Engineering Mathematics | 59 | 473 | 343 | 613 |
| 62 | Photonics | 24 | 470 | 707 | 977 |
| 63 | Multimedia Systems | 8 | 452 | 1142 | 497 |
| 64 | Nutrition | 16 | 450 | 1960 | 2140 |
| 65 | Cancer | 14 | 439 | 1793 | 2031 |
| 66 | Cybernetics | 15 | 438 | 638 | 699 |
| 67 | System analysis | 24 | 427 | 787 | 925 |
| 68 | clay | 15 | 425 | 196 | 320 |
| 69 | Applied Mathematics | 36 | 411 | 79 | 34 |
| 70 | Genomics | 20 | 395 | 1223 | 1715 |
| 70 | multimedia | 3 | 395 | 530 | 217 |
| 70 | Interactive multimedia | 3 | 395 | 628 | 228 |
| 73 | Toxicology | 13 | 389 | 2527 | 2598 |
| 74 | Solitons | 19 | 387 | 240 | 337 |
| 74 | Chaos | 19 | 387 | 240 | 337 |
| 76 | Food | 11 | 386 | 1685 | 1644 |
| 77 | Internet of Things | 13 | 377 | 480 | 511 |
| 77 | internet | 15 | 377 | 597 | 677 |
| 79 | Botany | 16 | 373 | 1896 | 2141 |
| 80 | Biophysics | 17 | 353 | 2783 | 3240 |
| 81 | Pharmaceutical Chemistry | 21 | 351 | 1610 | 2270 |
| 82 | Renewable Energy Sources | 3 | 340 | 2657 | 2015 |
| 83 | Signal Processing | 18 | 339 | 1105 | 1408 |
| 83 | coal | 10 | 339 | 877 | 984 |
| 85 | computer networks | 21 | 332 | 934 | 1262 |
| 86 | Educational Technology | 11 | 328 | 710 | 601 |
| 87 | Astrophysics | 23 | 324 | 1326 | 1675 |
| 88 | Bioorganic chemistry | 19 | 322 | 1214 | 1657 |
| 89 | Cytology | 21 | 320 | 1766 | 2945 |
| 89 | mass transfer | 7 | 320 | 1110 | 883 |
| 91 | Fuzzy systems | 22 | 316 | 391 | 449 |
| 92 | Mathematical Physics | 28 | 312 | 1024 | 1213 |
| 93 | Cell death | 7 | 310 | 827 | 929 |
| 94 | Detectors | 21 | 295 | 480 | 677 |
| 95 | Nonlinear functional analysis | 8 | 284 | 693 | 440 |
| 96 | Environmental Toxicology | 6 | 278 | 1785 | 1662 |
| 96 | Environmental pollutants | 7 | 278 | 1562 | 1421 |
| 98 | arthritis | 2 | 273 | 1381 | 902 |
| 99 | environmental protection | 6 | 270 | 2623 | 2236 |
| 100 | Technology | 19 | 269 | 1729 | 2219 |
| 101 | Green Chemistry | 13 | 263 | 856 | 1313 |
| 102 | Polymers | 21 | 262 | 2022 | 2548 |
| 103 | Ceramics | 6 | 259 | 1141 | 743 |
| 104 | United States | 7 | 254 | 3658 | 2711 |
| 105 | Psychiatry | 16 | 249 | 1924 | 2736 |
| 105 | Chromosome mapping | 7 | 249 | 1234 | 1327 |
| 105 | gene mapping | 7 | 249 | 1347 | 1539 |
| 108 | Statistical Mechanics | 7 | 245 | 704 | 314 |
| 109 | Cell Biology | 17 | 243 | 1894 | 3256 |
| 110 | finance | 7 | 239 | 1549 | 1136 |
| 111 | Nonlinear systems | 11 | 231 | 248 | 264 |
| 112 | Environmental Engineering | 6 | 230 | 2935 | 2652 |
| 113 | Algebra | 21 | 227 | 569 | 465 |
| 114 | Metals | 11 | 225 | 1132 | 1317 |
| 115 | Organic Chemistry | 15 | 224 | 1675 | 2031 |
| 116 | Oncology | 8 | 221 | 1402 | 2174 |
| 116 | Genetic engineering | 17 | 221 | 862 | 1616 |
| 118 | Entropy | 10 | 220 | 486 | 373 |
| 119 | Electronics | 20 | 211 | 1586 | 2109 |
| 120 | Pathology | 14 | 207 | 1102 | 1709 |
| 121 | lasers | 22 | 200 | 733 | 1160 |
| 122 | Numerical Analysis | 9 | 197 | 1438 | 1185 |
| 123 | soil conservation | 3 | 196 | 810 | 482 |
| 124 | infrared radiation | 8 | 192 | 292 | 187 |
| 125 | Public Health | 10 | 189 | 3338 | 4091 |
| 125 | soil pollution | 2 | 189 | 770 | 271 |
| 125 | environmental exposure | 4 | 189 | 1708 | 1400 |
| 128 | Plant Genetics | 6 | 187 | 462 | 650 |
| 128 | polymerization | 17 | 187 | 1877 | 2464 |
| 130 | Sustainable Development | 5 | 183 | 1622 | 1522 |
| 130 | pollutants | 4 | 183 | 1714 | 1561 |
| 130 | phenomics | 5 | 183 | 19 | 26 |
| 133 | Calorimetry | 9 | 181 | 566 | 544 |
| 133 | Egypt | 1 | 181 | 1036 | 266 |
| 133 | Thermal analysis | 9 | 181 | 566 | 544 |
| 136 | Clinical Chemistry | 9 | 179 | 1761 | 2302 |
| 137 | Wireless Communication Systems | 9 | 178 | 1496 | 1461 |
| 138 | Telecommunication Systems | 11 | 171 | 805 | 890 |
| 138 | Glass | 6 | 171 | 829 | 802 |
| 140 | Nanostructures | 8 | 170 | 1454 | 1709 |
| 140 | actuators | 6 | 170 | 1604 | 1776 |
| 140 | transducers | 6 | 170 | 1604 | 1776 |
| 143 | International Finance | 3 | 163 | 1557 | 1090 |
| 144 | Economics | 7 | 162 | 2896 | 2395 |
| 144 | Immunotherapy | 5 | 162 | 1544 | 1739 |
| 146 | Systems Analysis | 10 | 161 | 520 | 648 |
| 147 | Spectrum analysis | 11 | 160 | 2431 | 2930 |
| 148 | pottery | 4 | 159 | 973 | 815 |
| 149 | Natural history | 1 | 156 | 5921 | 4982 |
| 150 | Heat Exchangers | 3 | 155 | 1189 | 1047 |
| 151 | food technology | 6 | 154 | 1804 | 2047 |
| 152 | Nuclear Chemistry | 16 | 152 | 408 | 543 |
| 152 | Radiochemistry | 16 | 152 | 362 | 486 |
| 154 | Operator theory | 12 | 151 | 99 | 77 |
| 154 | Herbal medicine | 5 | 151 | 489 | 634 |
| 156 | Sustainable Engineering | 7 | 150 | 1091 | 1381 |
| 156 | RNA | 3 | 150 | 532 | 503 |
| 158 | Mechanical Engineering | 9 | 148 | 1574 | 1390 |
| 159 | Medical Microbiology | 6 | 145 | 1627 | 2164 |
| 160 | Economic Development | 3 | 143 | 1708 | 1394 |
| 160 | Image Processing | 16 | 143 | 973 | 1784 |
| 162 | Integrated Circuits | 25 | 142 | 152 | 265 |
| 163 | Mental Disorders | 10 | 139 | 1676 | 2548 |
| 164 | air quality | 3 | 138 | 191 | 99 |
| 164 | biochemical markers | 9 | 138 | 372 | 554 |
| 166 | Immunology | 10 | 137 | 2231 | 3453 |
| 167 | cytokines | 5 | 136 | 1067 | 1298 |
| 168 | Water pollution | 3 | 135 | 2674 | 2500 |
| 168 | Immunopharmacology | 4 | 135 | 953 | 866 |
| 170 | Information Technology | 8 | 132 | 1673 | 1818 |
| 171 | Psychology | 18 | 129 | 2060 | 3649 |
| 171 | Astronomy | 8 | 129 | 1816 | 2223 |
| 171 | Particle Physics | 7 | 129 | 512 | 463 |
| 174 | Solid State Physics | 17 | 127 | 1964 | 2670 |
| 174 | Diagnosis | 8 | 127 | 316 | 393 |
| 174 | disease susceptibility | 8 | 127 | 132 | 223 |
| 174 | symptoms | 8 | 127 | 132 | 223 |
| 178 | Computational Biology | 15 | 126 | 1245 | 2431 |
| 179 | sustainability | 1 | 125 | 1572 | 923 |
| 180 | Molecular Spectroscopy | 7 | 123 | 1166 | 1384 |
| 181 | Computer Graphics | 13 | 121 | 802 | 1319 |
| 181 | Pharmacognosy | 10 | 121 | 995 | 1830 |
| 183 | Geometry | 10 | 118 | 672 | 542 |
| 183 | Bioinformatics | 9 | 118 | 1282 | 1887 |
| 183 | Plant diseases | 9 | 118 | 1171 | 1518 |
| 183 | pigments | 5 | 118 | 595 | 680 |
| 187 | Fishery management | 11 | 115 | 353 | 603 |
| 188 | Molecular cloning | 8 | 114 | 905 | 1329 |
| 188 | Genetic recombination | 8 | 114 | 879 | 1316 |
| 188 | Recombinant DNA | 8 | 114 | 973 | 1396 |
| 191 | Neurochemistry | 6 | 112 | 1708 | 2226 |
| 192 | Health Policy | 2 | 111 | 2839 | 1959 |
| 192 | Chemical reactors | 2 | 111 | 84 | 3 |
| 194 | Plants | 9 | 110 | 1252 | 1948 |
| 195 | Industrial Engineering | 16 | 107 | 763 | 1617 |
| 195 | Marine Biology | 3 | 107 | 2456 | 2278 |
| 197 | Thermodynamics | 7 | 106 | 785 | 715 |
| 197 | Biomechanics | 5 | 106 | 1118 | 1238 |
| 197 | Developmental Immunology | 4 | 106 | 721 | 800 |
| 200 | Mobile Computing | 12 | 105 | 537 | 950 |
| 201 | Pesticides | 4 | 103 | 543 | 496 |
| 202 | Electrical Engineering | 8 | 102 | 2454 | 2273 |
| 202 | Cell differentiation | 4 | 102 | 1461 | 2036 |
| 204 | soil microbiology | 2 | 101 | 1753 | 1856 |
| 205 | Light | 1 | 100 | 1459 | 1124 |
| 206 | Industrial Microbiology | 7 | 98 | 1323 | 2199 |
| 206 | Microorganisms | 5 | 98 | 789 | 1323 |
| 208 | Organometallic compounds | 7 | 97 | 844 | 1074 |
| 209 | Developmental Psychology | 11 | 94 | 484 | 1017 |
| 209 | Elementary particles | 1 | 94 | 285 | 271 |
| 211 | Sports Medicine | 11 | 93 | 1295 | 1912 |
| 212 | Mineral resources | 4 | 92 | 433 | 645 |
| 213 | Biosensors | 3 | 91 | 1316 | 1799 |
| 213 | Solid State Chemistry | 7 | 91 | 1741 | 2059 |
| 215 | Bioelectronics | 2 | 90 | 1366 | 1670 |
| 216 | Environmental Microbiology | 3 | 89 | 1418 | 1766 |
| 216 | Drug design | 5 | 89 | 1358 | 1823 |
| 218 | Solar Energy | 6 | 88 | 1268 | 1928 |
| 218 | commerce | 2 | 88 | 2010 | 1340 |
| 220 | Psychoneuroimmunology | 2 | 87 | 749 | 883 |
| 220 | Neuroimmunology | 2 | 87 | 825 | 947 |
| 222 | Combinatorial chemistry | 4 | 86 | 786 | 1056 |
| 222 | plant molecular biology | 5 | 86 | 1120 | 1874 |
| 222 | Structure-activity relationship | 4 | 86 | 337 | 344 |
| 222 | Soil ecology | 2 | 86 | 929 | 932 |
| 226 | Oxidative stress | 3 | 85 | 1248 | 1613 |
| 227 | Tourism | 5 | 84 | 1256 | 1680 |
| 228 | Robotics | 11 | 83 | 923 | 1631 |
| 228 | vibration | 2 | 83 | 1511 | 1135 |
| 228 | Serbia | 7 | 83 | 42 | 20 |
| 228 | Diet | 1 | 83 | 3291 | 2649 |
| 228 | human development | 1 | 83 | 1272 | 884 |
| 233 | Visual Communication | 4 | 81 | 354 | 332 |
| 233 | Image enhancement | 4 | 81 | 244 | 306 |
| 233 | Marine Pollution | 1 | 81 | 1869 | 1437 |
| 233 | Communication | 4 | 81 | 1848 | 1862 |
| 233 | management | 5 | 81 | 2712 | 3101 |
| 238 | Ecological Engineering | 1 | 80 | 1150 | 915 |
| 238 | Eastern Europe | 2 | 80 | 1318 | 508 |
| 240 | Medical Technology | 10 | 79 | 868 | 1927 |
| 240 | Evolutionary Computation | 3 | 79 | 484 | 650 |
| 242 | Optical Communications | 7 | 78 | 509 | 706 |
| 242 | Sports | 9 | 78 | 1144 | 1620 |
| 244 | Physiology | 8 | 77 | 2739 | 4278 |
| 244 | sanitation | 3 | 77 | 1583 | 2194 |
| 244 | Mental illness | 2 | 77 | 2332 | 2350 |
| 247 | Neurology | 9 | 76 | 3216 | 5422 |
| 247 | Epidemiology | 7 | 76 | 2546 | 3950 |
| 247 | Structural dynamics | 1 | 76 | 1576 | 1218 |
| 247 | Microbial Ecology | 3 | 76 | 2228 | 2993 |
| 247 | Dynamics | 11 | 76 | 928 | 1408 |
| 252 | Medicinal plants | 5 | 75 | 1142 | 1794 |
| 252 | fuel cells | 5 | 75 | 1034 | 1463 |
| 252 | nucleic acids | 2 | 75 | 2032 | 2144 |
| 252 | Earth Sciences | 11 | 75 | 1811 | 3008 |
| 256 | Luminescence | 5 | 74 | 1068 | 1202 |
| 257 | Alternative Medicine | 7 | 72 | 1219 | 2052 |
| 257 | Adaptive control systems | 8 | 72 | 267 | 472 |
| 259 | genome | 4 | 71 | 1391 | 2191 |
| 260 | Oncogenes | 4 | 70 | 1012 | 1769 |
| 261 | Medical Physics | 5 | 68 | 1361 | 1879 |
| 262 | Electrophoresis | 1 | 65 | 2529 | 1856 |
| 263 | Horticulture | 2 | 63 | 1023 | 799 |
| 263 | Computational Intelligence | 13 | 63 | 310 | 1033 |
| 263 | Intelligent Control Systems | 6 | 63 | 762 | 835 |
| 263 | Brain | 7 | 63 | 1710 | 2952 |
| 267 | Bioprinting | 1 | 62 | 93 | 70 |
| 267 | Asia | 15 | 62 | 1134 | 2493 |
| 269 | Nursing | 8 | 61 | 1099 | 1637 |
| 269 | Composite Materials | 3 | 61 | 2594 | 3068 |
| 269 | toxicity testing | 2 | 61 | 992 | 981 |
| 269 | biomedicine | 6 | 61 | 569 | 1153 |
| 273 | Genetic algorithms | 2 | 60 | 403 | 538 |
| 274 | Cellular senescence | 2 | 59 | 1050 | 1306 |
| 274 | Ferroelectricity | 13 | 59 | 476 | 857 |
| 276 | Medical Oncology | 6 | 58 | 1242 | 2342 |
| 276 | Social Change | 2 | 58 | 1219 | 1519 |
| 278 | Geochemistry | 3 | 57 | 1903 | 2317 |
| 278 | Plant physiology | 6 | 57 | 1493 | 2548 |
| 278 | Personality Assessment | 1 | 57 | 840 | 732 |
| 281 | Functional Analysis | 4 | 56 | 1142 | 1134 |
| 281 | Virology | 9 | 56 | 1835 | 3975 |
| 281 | Agriculture | 4 | 56 | 2075 | 2548 |
| 284 | Emergency Medicine | 5 | 55 | 1114 | 1447 |
| 284 | Electromagnetic waves | 3 | 55 | 311 | 308 |
| 284 | Drug delivery systems | 6 | 55 | 1078 | 2160 |
| 287 | Environmental Law | 1 | 53 | 1807 | 1904 |
| 287 | Neurophysiology | 8 | 53 | 1750 | 3474 |
| 287 | Primary health care | 2 | 53 | 2165 | 2034 |
| 287 | Technological Innovations | 4 | 53 | 914 | 1285 |
| 287 | big data | 2 | 53 | 800 | 717 |
| 287 | Parasitology | 5 | 53 | 1943 | 2647 |
| 287 | Cosmochemistry | 2 | 53 | 1099 | 1228 |
| 287 | Plant cells | 4 | 53 | 937 | 1782 |
| 295 | Computer Science | 3 | 52 | 2276 | 2080 |
| 295 | Medical Laboratory Science | 4 | 52 | 2011 | 3164 |
| 295 | Animal husbandry | 1 | 52 | 631 | 405 |
| 295 | Nonlinear Dynamics | 9 | 52 | 1340 | 2146 |
| 295 | ecosystem | 1 | 52 | 2014 | 1889 |
| 295 | livestock | 1 | 52 | 956 | 559 |
| 301 | radioactive waste | 1 | 51 | 1390 | 1596 |
| 301 | industrial waste | 1 | 51 | 1430 | 1599 |
| 301 | Hazardous waste | 1 | 51 | 1604 | 1673 |
| 304 | Emergency Medical Services | 2 | 50 | 980 | 897 |
| 304 | Neuropsychology | 6 | 50 | 1571 | 2723 |
| 304 | Multivariate Analysis | 1 | 50 | 803 | 536 |
| 304 | Chemical industry | 3 | 50 | 1429 | 1404 |
| 308 | Food service management | 1 | 49 | 655 | 717 |
| 308 | Thermochemistry | 3 | 49 | 520 | 613 |
| 308 | anesthesia | 5 | 49 | 400 | 486 |
| 311 | Hydrology | 3 | 48 | 2566 | 2843 |
| 311 | energy conservation | 4 | 48 | 1836 | 3014 |
| 311 | clay minerals | 3 | 48 | 290 | 445 |
| 311 | software | 1 | 48 | 1763 | 1567 |
| 311 | Approximation Theory | 4 | 48 | 337 | 366 |
| 316 | Systems Biology | 2 | 47 | 1970 | 2244 |
| 316 | Water | 3 | 47 | 2453 | 3456 |
| 316 | Waste management | 1 | 47 | 2418 | 1747 |
| 316 | Water Purification | 1 | 47 | 2007 | 1434 |
| 316 | Water quality management | 1 | 47 | 2998 | 2245 |
| 321 | Health Services Research | 1 | 46 | 2909 | 2195 |
| 321 | Measurement | 5 | 46 | 1032 | 1632 |
| 321 | plant communities | 3 | 46 | 1087 | 1596 |
| 321 | Aging | 4 | 46 | 2507 | 3373 |
| 325 | Cosmology | 11 | 45 | 720 | 1182 |
| 325 | Food Microbiology | 2 | 45 | 1501 | 2050 |
| 325 | Organometallic chemistry | 3 | 45 | 1940 | 2051 |
| 325 | dietary supplements | 6 | 45 | 471 | 1285 |
| 325 | human behavior | 4 | 45 | 2057 | 3704 |
| 325 | natural products | 9 | 45 | 1046 | 2040 |
| 331 | Geriatric Nursing | 7 | 44 | 221 | 471 |
| 331 | reasoning | 5 | 44 | 227 | 491 |
| 333 | Physical Geography | 2 | 43 | 732 | 695 |
| 333 | Long-Term Care | 2 | 43 | 651 | 912 |
| 333 | Microbial Biotechnology | 4 | 43 | 830 | 1532 |
| 333 | Long-term care facilities | 2 | 43 | 648 | 908 |
| 337 | Nanochemistry | 3 | 42 | 1319 | 1630 |
| 337 | Quantum Chemistry | 5 | 42 | 677 | 844 |
| 339 | micromechanics | 1 | 41 | 905 | 768 |
| 339 | Reproduction | 4 | 41 | 2017 | 2878 |
| 341 | Geriatrics | 6 | 40 | 2128 | 3556 |
| 341 | Corporate Social Responsibility | 1 | 40 | 583 | 663 |
| 341 | environmental auditing | 1 | 40 | 602 | 670 |
| 341 | Library Science | 3 | 40 | 1259 | 963 |
| 345 | complementary therapies | 6 | 39 | 1474 | 2817 |
| 345 | Emulsions | 1 | 39 | 740 | 433 |
| 345 | Ethnology | 1 | 39 | 2383 | 1534 |
| 345 | Tropical Medicine | 2 | 39 | 2288 | 2401 |
| 345 | econometric models | 1 | 39 | 1022 | 891 |
| 350 | Zoology | 3 | 38 | 2594 | 2858 |
| 350 | Agricultural Science | 1 | 38 | 411 | 504 |
| 350 | Agronomy | 1 | 38 | 1040 | 1003 |
| 350 | Analytical Biochemistry | 6 | 38 | 1289 | 2413 |
| 350 | Semiconductors | 5 | 38 | 1689 | 2363 |
| 350 | Synthetic biology | 2 | 38 | 446 | 574 |
| 350 | Atomic spectroscopy | 7 | 38 | 772 | 1401 |
| 357 | biological factors | 5 | 36 | 1586 | 2732 |
| 357 | Insects | 2 | 36 | 1757 | 1701 |
| 359 | Agricultural Engineering | 4 | 35 | 410 | 759 |
| 359 | Psychiatric Nursing | 2 | 35 | 819 | 862 |
| 359 | free radicals | 2 | 35 | 1592 | 2367 |
| 359 | Insect biochemistry | 2 | 35 | 570 | 764 |
| 363 | Genetics | 6 | 34 | 2869 | 5474 |
| 363 | Information Theory | 4 | 34 | 1271 | 1753 |
| 363 | Proteomics | 3 | 34 | 1200 | 1937 |
| 363 | Economic History | 8 | 34 | 2347 | 3458 |
| 363 | rehabilitation | 4 | 34 | 1967 | 3208 |
| 363 | drug toxicity | 1 | 34 | 933 | 942 |
| 363 | Exercise | 7 | 34 | 868 | 1659 |
| 370 | Energy Consumption | 2 | 32 | 504 | 844 |
| 370 | Business | 1 | 32 | 3274 | 2765 |
| 370 | Physical fitness | 2 | 32 | 1285 | 1530 |
| 370 | Decision making | 4 | 32 | 1304 | 2180 |
| 370 | drugs | 5 | 32 | 1790 | 3287 |
| 375 | Embryology | 1 | 31 | 2171 | 2343 |
| 375 | Thrombosis | 1 | 31 | 1559 | 1622 |
| 375 | Neuroanatomy | 1 | 31 | 491 | 471 |
| 375 | plasticity | 1 | 31 | 517 | 717 |
| 375 | Plastics | 1 | 31 | 2615 | 2236 |
| 375 | vascular diseases | 1 | 31 | 1084 | 1230 |
| 375 | Psychophysiology | 7 | 31 | 1765 | 3812 |
| 382 | Evidence-Based Medicine | 6 | 30 | 866 | 2055 |
| 382 | Mental Health Services | 2 | 30 | 1547 | 1873 |
| 384 | Soil biology | 1 | 29 | 1345 | 1580 |
| 384 | Ceramic materials | 3 | 29 | 1354 | 1894 |
| 384 | Soil fertility | 1 | 29 | 586 | 742 |
| 387 | Social Sciences | 9 | 28 | 2213 | 4022 |
| 387 | Geriatric Psychiatry | 1 | 28 | 1792 | 1771 |
| 387 | Energy Storage | 5 | 28 | 1018 | 1813 |
| 387 | Mental Health | 1 | 28 | 2708 | 2392 |
| 387 | Behavioral research | 7 | 28 | 203 | 768 |
| 387 | Gerontology | 2 | 28 | 2386 | 2529 |
| 387 | Environmental risk assessment | 1 | 28 | 869 | 736 |
| 387 | Teaching | 4 | 28 | 1492 | 2069 |
| 395 | Histology | 2 | 27 | 2208 | 2990 |
| 395 | Dermatology | 3 | 27 | 1705 | 2373 |
| 395 | Clinical Biochemistry | 2 | 27 | 1500 | 1974 |
| 395 | Cytogenetics | 2 | 27 | 1830 | 2628 |
| 395 | Diagnostic Imaging | 8 | 27 | 1264 | 2987 |
| 395 | Laser therapy | 2 | 27 | 595 | 643 |
| 395 | Mobile Commerce | 6 | 27 | 126 | 307 |
| 402 | Humanities | 7 | 26 | 1211 | 2008 |
| 402 | Pharmaceutical Technology | 2 | 26 | 1907 | 2519 |
| 402 | Thin Films | 2 | 26 | 777 | 854 |
| 402 | Simulation Methods | 1 | 26 | 1745 | 1499 |
| 402 | Zeolites | 3 | 26 | 930 | 1673 |
| 402 | Chemical analysis | 3 | 26 | 1219 | 1922 |
| 402 | energy resources | 1 | 26 | 2054 | 2646 |
| 402 | Oxidation-reduction | 1 | 26 | 1263 | 1699 |
| 410 | Oceanography | 2 | 25 | 2022 | 2487 |
| 410 | Inflammation | 1 | 25 | 2033 | 2371 |
| 410 | Behavior | 3 | 25 | 3025 | 5067 |
| 413 | Energy Conversion | 4 | 24 | 1119 | 2015 |
| 413 | solar power | 2 | 24 | 1054 | 1626 |
| 413 | solar cells | 2 | 24 | 1143 | 1770 |
| 413 | catalytic activity | 1 | 24 | 996 | 1126 |
| 417 | Metallurgy | 1 | 23 | 3464 | 3064 |
| 417 | Quality Control | 3 | 23 | 1947 | 3035 |
| 417 | Bioinorganic chemistry | 1 | 23 | 2058 | 2165 |
| 417 | Cell cycle | 1 | 23 | 614 | 711 |
| 417 | cell proliferation | 1 | 23 | 670 | 761 |
| 417 | foods | 2 | 23 | 375 | 606 |
| 417 | Pakistan | 5 | 23 | 235 | 301 |
| 417 | drug evaluation | 3 | 23 | 1445 | 2453 |
| 425 | Drug targeting | 2 | 22 | 416 | 874 |
| 425 | Cognitive Science | 2 | 22 | 1796 | 2492 |
| 427 | Statistics | 3 | 21 | 2574 | 3068 |
| 427 | Neurobiology | 1 | 21 | 2477 | 2960 |
| 427 | drug resistance | 1 | 21 | 1371 | 1633 |
| 427 | psychophysics | 4 | 21 | 286 | 514 |
| 427 | Attention | 4 | 21 | 1439 | 2868 |
| 427 | Perception | 5 | 21 | 1379 | 2943 |
| 433 | Molecular evolution | 1 | 20 | 2395 | 2879 |
| 433 | economic policy | 4 | 20 | 2159 | 2950 |
| 433 | Computational Complexity | 3 | 20 | 1135 | 1560 |
| 433 | water supply | 1 | 20 | 1479 | 1726 |
| 437 | Critical Care Medicine | 2 | 19 | 1660 | 2686 |
| 437 | Bifurcation Theory | 2 | 19 | 863 | 1001 |
| 437 | Bacteriology | 1 | 19 | 2740 | 3351 |
| 437 | Metabolic syndrome | 1 | 19 | 564 | 682 |
| 437 | Swarm Intelligence | 1 | 19 | 528 | 677 |
| 437 | Diabetes | 2 | 19 | 2533 | 3806 |
| 443 | Data Mining | 5 | 18 | 1200 | 3157 |
| 443 | Mechatronics | 4 | 18 | 783 | 1643 |
| 443 | Intelligent Transportation Systems | 4 | 18 | 996 | 1934 |
| 443 | Heterocyclic chemistry | 2 | 18 | 719 | 837 |
| 443 | carcinogens | 1 | 18 | 1675 | 2094 |
| 443 | India | 2 | 18 | 2037 | 1992 |
| 443 | Developing countries | 2 | 18 | 2910 | 3879 |
| 443 | sports injuries | 1 | 18 | 987 | 1022 |
| 451 | Industrial Safety | 1 | 17 | 2007 | 2047 |
| 451 | animals | 1 | 17 | 2099 | 2047 |
| 453 | Oral Medicine | 3 | 16 | 687 | 1168 |
| 453 | Fracture mechanics | 1 | 16 | 2066 | 2289 |
| 453 | Calculus of Variations | 2 | 16 | 592 | 679 |
| 453 | Microstructure | 2 | 16 | 1154 | 1442 |
| 457 | Critical Care | 1 | 15 | 2368 | 2998 |
| 457 | School Psychology | 1 | 15 | 702 | 887 |
| 457 | Parasitic Diseases | 3 | 15 | 2063 | 3610 |
| 457 | Gastrointestinal diseases | 2 | 15 | 955 | 1505 |
| 461 | Environmental Geology | 1 | 14 | 2460 | 2900 |
| 461 | Photochemistry | 1 | 14 | 2723 | 3227 |
| 461 | food contamination | 1 | 14 | 1833 | 2063 |
| 461 | Investment analysis | 2 | 14 | 985 | 1435 |
| 461 | Cardiovascular diseases | 2 | 14 | 1972 | 2880 |
| 461 | Photobiology | 1 | 14 | 2290 | 2725 |
| 461 | DNS | 1 | 14 | 992 | 1311 |
| 461 | drug development | 1 | 14 | 1888 | 2599 |
| 461 | Catalysts | 1 | 14 | 1142 | 1350 |
| 461 | Genes | 1 | 14 | 1921 | 2309 |
| 471 | Magnetic Resonance Imaging | 1 | 13 | 889 | 1076 |
| 471 | Metabolism | 2 | 13 | 3209 | 5214 |
| 471 | Signal Transduction | 3 | 13 | 1474 | 2825 |
| 471 | Environmental Chemistry | 2 | 13 | 2622 | 4027 |
| 471 | Enzyme inhibitors | 1 | 13 | 774 | 1074 |
| 471 | Randomized Controlled Trials | 2 | 13 | 1452 | 2307 |
| 471 | glycoproteins | 1 | 13 | 812 | 1123 |
| 471 | Glycoconjugates | 1 | 13 | 812 | 1123 |
| 471 | Oligosaccharides | 1 | 13 | 494 | 715 |
| 471 | disease vectors | 2 | 13 | 1233 | 2130 |
| 471 | Parasites | 2 | 13 | 1931 | 2865 |
| 471 | Cell surface receptors | 1 | 13 | 293 | 418 |
| 471 | glycolipids | 1 | 13 | 812 | 1123 |
| 484 | Orthopedics | 4 | 12 | 1433 | 2761 |
| 484 | Obesity | 1 | 12 | 3026 | 4016 |
| 484 | International Education | 1 | 12 | 473 | 604 |
| 484 | Asymmetric synthesis | 1 | 12 | 306 | 323 |
| 484 | Biomolecules | 1 | 12 | 841 | 1227 |
| 484 | biopolymers | 1 | 12 | 1835 | 2221 |
| 490 | Public Policy | 1 | 11 | 2853 | 3631 |
| 490 | Social Psychology | 10 | 11 | 1088 | 3670 |
| 490 | Clinical Pharmacology | 4 | 11 | 1285 | 2923 |
| 490 | Process Control | 1 | 11 | 1406 | 1952 |
| 490 | Financial Engineering | 1 | 11 | 473 | 657 |
| 490 | Genetic testing | 1 | 11 | 719 | 901 |
| 490 | Histocompatibility Testing | 2 | 11 | 599 | 1178 |
| 490 | Biomarkers | 1 | 11 | 898 | 1225 |
| 490 | Fiber Optics | 2 | 11 | 1221 | 1794 |
| 490 | personality | 10 | 11 | 735 | 2485 |
| 490 | Social behavior | 10 | 11 | 571 | 2258 |
| 490 | Immunity | 2 | 11 | 2254 | 3783 |
| 502 | Fluid Mechanics | 1 | 10 | 2515 | 2871 |
| 502 | Agricultural Ecology | 1 | 10 | 1905 | 2630 |
| 502 | Educational Psychology | 3 | 10 | 1343 | 2409 |
| 502 | Orthopedic Surgery | 3 | 10 | 856 | 1752 |
| 502 | Telecommunication | 2 | 10 | 3172 | 4085 |
| 502 | supercritical fluids | 1 | 10 | 677 | 1039 |
| 502 | Creativity | 2 | 10 | 347 | 842 |
| 509 | Sociology | 5 | 9 | 2399 | 5343 |
| 509 | Computational Chemistry | 2 | 9 | 856 | 1414 |
| 509 | Computer-Aided Design | 2 | 9 | 1539 | 2445 |
| 509 | East Asia | 2 | 9 | 874 | 1341 |
| 509 | Microwaves | 1 | 9 | 2075 | 2221 |
| 509 | energy development | 1 | 9 | 1676 | 2257 |
| 509 | food industry | 1 | 9 | 1281 | 1661 |
| 509 | Evolution | 3 | 9 | 1848 | 3599 |
| 509 | Immune system | 1 | 9 | 1683 | 2356 |
| 518 | Endocrinology | 2 | 8 | 3437 | 5461 |
| 518 | Econometrics | 2 | 8 | 1610 | 2193 |
| 518 | Veterinary Pathology | 2 | 8 | 431 | 751 |
| 518 | Manufacturing Processes | 2 | 8 | 2650 | 3852 |
| 518 | Production Engineering | 1 | 8 | 2968 | 3427 |
| 518 | Animal breeding | 2 | 8 | 928 | 1619 |
| 518 | environmental indicators | 1 | 8 | 1747 | 2624 |
| 518 | Biological Systems | 3 | 8 | 823 | 1853 |
| 518 | Video Games | 1 | 8 | 188 | 269 |
| 518 | Hospitality industry | 1 | 8 | 761 | 1153 |
| 518 | Molecular structure | 2 | 8 | 2871 | 4170 |
| 518 | Quantum theory | 1 | 8 | 1357 | 1592 |
| 518 | Philippines | 1 | 8 | 264 | 348 |
| 518 | Breeding | 2 | 8 | 1444 | 2409 |
| 518 | Biodiversity | 3 | 8 | 2334 | 4295 |
| 533 | Rheumatology | 2 | 7 | 1408 | 2323 |
| 533 | Biopharmaceutics | 1 | 7 | 1997 | 2674 |
| 533 | Clinical Immunology | 1 | 7 | 1974 | 2782 |
| 533 | Quantum electronics | 2 | 7 | 1993 | 2861 |
| 533 | Human-Computer Interaction | 2 | 7 | 1989 | 3343 |
| 533 | Diabetes mellitus | 1 | 7 | 3060 | 4354 |
| 533 | Land use | 1 | 7 | 1867 | 2600 |
| 533 | Social welfare | 1 | 7 | 1047 | 1395 |
| 533 | Electrochemical Analysis | 1 | 7 | 2221 | 2825 |
| 533 | Noise | 1 | 7 | 330 | 405 |
| 533 | Geriatric Oncology | 1 | 7 | 975 | 1582 |
| 533 | Optoelectronic devices | 2 | 7 | 1221 | 1806 |
| 533 | Sound | 1 | 7 | 1739 | 2055 |
| 533 | land degradation | 1 | 7 | 948 | 1380 |
| 533 | Biometrics | 1 | 7 | 1595 | 2024 |
| 533 | data collection | 3 | 7 | 1059 | 2866 |
| 533 | bioluminescence | 1 | 7 | 720 | 969 |
| 533 | Social work | 1 | 7 | 2346 | 2776 |
| 533 | antibiotics | 5 | 7 | 136 | 859 |
| 533 | degradation | 1 | 7 | 948 | 1380 |
| 533 | venom | 1 | 7 | 1313 | 1841 |
| 533 | Toxins | 1 | 7 | 1459 | 2014 |
| 555 | Medical genetics | 1 | 6 | 3843 | 5249 |
| 555 | Marine Biotechnology | 1 | 6 | 443 | 813 |
| 555 | Physical Chemistry | 2 | 6 | 2661 | 4060 |
| 555 | Oral Pathology | 1 | 6 | 201 | 361 |
| 555 | Sustainable agriculture | 1 | 6 | 1320 | 1920 |
| 555 | Contraception | 1 | 6 | 980 | 1566 |
| 555 | Reproductive health | 1 | 6 | 1421 | 2105 |
| 555 | Quantum Communication | 5 | 6 | 129 | 557 |
| 555 | Access to Information | 1 | 6 | 377 | 774 |
| 555 | Molecules | 1 | 6 | 2096 | 2480 |
| 555 | Information dissemination | 1 | 6 | 377 | 774 |
| 555 | Kidney diseases | 3 | 6 | 964 | 2144 |
| 555 | Birth control | 1 | 6 | 875 | 1393 |
| 568 | Computer Engineering | 2 | 5 | 1307 | 2298 |
| 568 | Cross-Cultural Studies | 3 | 5 | 650 | 1822 |
| 568 | locomotion | 1 | 5 | 1019 | 1490 |
| 568 | posture | 1 | 5 | 1019 | 1490 |
| 568 | Hormones | 1 | 5 | 2006 | 2876 |
| 568 | Crystal growth | 1 | 5 | 1612 | 2093 |
| 568 | cross-cultural comparison | 3 | 5 | 514 | 1495 |
| 568 | North America | 2 | 5 | 1053 | 1961 |
| 568 | Informatics | 1 | 5 | 1423 | 2031 |
| 568 | Australia | 2 | 5 | 2412 | 4172 |
| 568 | gait | 1 | 5 | 1019 | 1490 |
| 568 | walking | 1 | 5 | 1019 | 1490 |
| 580 | Forensic Toxicology | 1 | 4 | 119 | 296 |
| 580 | Wireless Communication | 1 | 4 | 849 | 1223 |
| 580 | Quality Assurance | 1 | 4 | 735 | 1274 |
| 580 | Pediatric Neuropsychology | 1 | 4 | 206 | 371 |
| 580 | Crystallography | 2 | 4 | 1962 | 2644 |
| 580 | Plant hormones | 1 | 4 | 598 | 1052 |
| 580 | probabilities | 3 | 4 | 1293 | 2068 |
| 587 | Obstetrics | 1 | 3 | 3437 | 4837 |
| 587 | Pediatrics | 1 | 3 | 3679 | 5261 |
| 587 | Sustainable Architecture | 1 | 3 | 391 | 597 |
| 587 | Optoelectronics | 3 | 3 | 580 | 1422 |
| 587 | Stochastic Processes | 1 | 3 | 1501 | 2079 |
| 587 | Plant Biotechnology | 2 | 3 | 1020 | 1984 |
| 587 | Organizational learning | 1 | 3 | 1037 | 1606 |
| 587 | Boundary Value Problems | 1 | 3 | 1226 | 1650 |
| 587 | Child | 1 | 3 | 3690 | 5105 |
| 587 | Functional foods | 3 | 3 | 368 | 1347 |
| 587 | Mass Spectrometry | 1 | 3 | 1844 | 2710 |
| 587 | Child welfare | 1 | 3 | 1813 | 2764 |
| 587 | Knowledge management | 1 | 3 | 1294 | 1873 |
| 587 | Gene expression regulation | 1 | 3 | 1657 | 2523 |
| 587 | Genetic regulation | 1 | 3 | 1840 | 2720 |
| 587 | protein | 1 | 3 | 1947 | 2758 |
| 587 | Lipids | 1 | 3 | 2116 | 3123 |
| 587 | Soviet Union | 1 | 3 | 1399 | 1726 |
| 587 | Women's health | 1 | 3 | 2259 | 3547 |
| 587 | World Wide Web | 2 | 3 | 605 | 1327 |
| 587 | Europe | 1 | 3 | 5019 | 6352 |
| 587 | Digital Audio Broadcasting | 1 | 3 | 52 | 138 |
| 587 | Fisheries | 1 | 3 | 2478 | 3327 |
| 587 | Digestive system diseases | 2 | 3 | 1117 | 2262 |
| 587 | Pancreatic diseases | 1 | 3 | 614 | 948 |
| 587 | proteins | 1 | 3 | 3202 | 4351 |
| 613 | Tribology | 1 | 2 | 1850 | 2568 |
| 613 | Neurosurgery | 1 | 2 | 1498 | 2367 |
| 613 | Demography | 1 | 2 | 1196 | 1826 |
| 613 | Psychosomatic Medicine | 1 | 2 | 1238 | 2072 |
| 613 | behavioral medicine | 1 | 2 | 2137 | 3590 |
| 613 | Research Design | 1 | 2 | 1980 | 3409 |
| 613 | Plant genetic engineering | 1 | 2 | 1498 | 2196 |
| 613 | Quantum Optics | 5 | 2 | 700 | 1822 |
| 613 | Visual Perception | 2 | 2 | 1967 | 3825 |
| 613 | Malaria | 1 | 2 | 1233 | 1966 |
| 613 | Sociobiology | 1 | 2 | 507 | 808 |
| 613 | Vision | 1 | 2 | 986 | 1541 |
| 613 | musculoskeletal system | 1 | 2 | 293 | 538 |
| 613 | drug therapy | 1 | 2 | 3505 | 5194 |
| 613 | biological evolution | 1 | 2 | 3031 | 4429 |
| 613 | Laser Spectroscopy | 5 | 2 | 663 | 1774 |
| 613 | Spine | 1 | 2 | 1059 | 1649 |
| 613 | optical devices | 1 | 2 | 877 | 1325 |
| 613 | Cognition | 1 | 2 | 2339 | 3542 |
| 632 | Meteorology | 1 | 1 | 3234 | 4751 |
| 632 | Hematology | 1 | 1 | 3844 | 4985 |
| 632 | Climatology | 1 | 1 | 2553 | 3817 |
| 632 | Clinical Trials | 1 | 1 | 1056 | 1860 |
| 632 | Computer Vision | 1 | 1 | 1792 | 2737 |
| 632 | Applied Linguistics | 1 | 1 | 986 | 1405 |
| 632 | Tissue Engineering | 4 | 1 | 240 | 1059 |
| 632 | Microbial Genetics | 1 | 1 | 642 | 1110 |
| 632 | Operations Research | 1 | 1 | 3054 | 4232 |
| 632 | Electromagnetism | 1 | 1 | 1623 | 2253 |
| 632 | Schizophrenia | 1 | 1 | 1503 | 2175 |
| 632 | Hydrodynamics | 1 | 1 | 917 | 1478 |
| 632 | mutation | 1 | 1 | 1020 | 1662 |
| 632 | Food additives | 1 | 1 | 1907 | 2912 |
| 632 | Health | 1 | 1 | 3647 | 5741 |
| 632 | Chromatography | 1 | 1 | 2595 | 3797 |
| 632 | Qualitative Research | 1 | 1 | 861 | 1502 |
| 632 | Interferons | 1 | 1 | 559 | 1049 |
| 632 | chronic fatigue syndrome | 1 | 1 | 128 | 268 |
| 632 | particles | 1 | 1 | 1724 | 2636 |
| 632 | Chromosomes | 1 | 1 | 1542 | 2371 |
| 632 | weather forecasting | 1 | 1 | 356 | 655 |
| 632 | economic analysis | 1 | 1 | 462 | 893 |
| 632 | Germany | 1 | 1 | 1243 | 1764 |
| 632 | Dementia | 2 | 1 | 1777 | 2519 |
| 632 | Central Asia | 1 | 1 | 496 | 981 |
| 632 | Alzheimer's disease | 2 | 1 | 1808 | 2662 |
| 632 | biological agents | 1 | 1 | 1234 | 1776 |
| 632 | Vegetation | 1 | 1 | 222 | 507 |
| 632 | United Kingdom | 1 | 1 | 2501 | 3731 |
| 632 | Chromatographic analysis | 2 | 1 | 2376 | 4197 |
| 632 | wood | 1 | 1 | 827 | 1377 |
| 632 | Cytokine | 1 | 1 | 752 | 1370 |
| 632 | Heterocyclic compounds | 1 | 1 | 1574 | 2227 |
| 632 | Entomology | 1 | 1 | 3322 | 4454 |
| 667 | Geology | 1 | 0 | 4036 | 5629 |
| 667 | Ecological Genetics | 1 | 0 | 1157 | 1861 |
| 667 | Soil Science | 1 | 0 | 2746 | 3937 |
| 667 | Photography | 2 | 0 | 2958 | 4382 |
| 667 | Power Electronics | 1 | 0 | 1566 | 2295 |
| 667 | Quality Management | 1 | 0 | 393 | 808 |
| 667 | Conservation Biology | 1 | 0 | 1833 | 2893 |
| 667 | Population Genetics | 1 | 0 | 1873 | 2882 |
| 667 | Computational Linguistics | 1 | 0 | 1118 | 1866 |
| 667 | Differential Equations | 1 | 0 | 1486 | 2039 |
| 667 | Transportation | 1 | 0 | 2463 | 3688 |
| 667 | Microfabrication | 1 | 0 | 777 | 1388 |
| 667 | Quantitative Research | 1 | 0 | 354 | 646 |
| 667 | Medical Ethics | 1 | 0 | 1927 | 3234 |
| 667 | Hydraulic machinery | 1 | 0 | 282 | 566 |
| 667 | Nanomanufacturing | 1 | 0 | 237 | 497 |
| 667 | visualization | 2 | 0 | 2022 | 3443 |
| 667 | machinery | 1 | 0 | 1347 | 2066 |
| 667 | Quality of life | 1 | 0 | 2480 | 4147 |
| 667 | Diplomatic relations | 1 | 0 | 1215 | 1653 |
| 667 | Imaging systems | 5 | 0 | 611 | 2425 |
| 667 | Steroids | 1 | 0 | 1572 | 2423 |
| 667 | cell interaction | 2 | 0 | 1496 | 2929 |
| 667 | educational innovations | 1 | 0 | 930 | 1617 |
| 667 | miniaturization | 1 | 0 | 2709 | 4113 |
| 667 | Cell communication | 1 | 0 | 1436 | 2374 |
| 667 | gastrointestinal tract | 1 | 0 | 645 | 1220 |
| 667 | Muscle contraction | 1 | 0 | 667 | 1138 |
