| 1 | Mathematics | 357 | 7.5K | 583 | 332 |
| 2 | Physics | 201 | 4.2K | 1721 | 2871 |
| 3 | Nuclear Physics | 233 | 3.4K | 843 | 1051 |
| 4 | Neural circuitry | 68 | 2.6K | 162 | 147 |
| 5 | Materials | 110 | 2.5K | 1423 | 1514 |
| 6 | Chemistry | 122 | 2.2K | 2279 | 3006 |
| 7 | Nanotechnology | 60 | 1.8K | 1471 | 1548 |
| 8 | Catalysis | 38 | 1.6K | 1468 | 1260 |
| 9 | Science | 69 | 1.5K | 3267 | 4733 |
| 10 | Optics | 80 | 1.5K | 1304 | 1037 |
| 11 | Optical materials | 38 | 1.4K | 821 | 740 |
| 12 | Medicine | 112 | 1.3K | 2391 | 4139 |
| 13 | Materials Science | 37 | 1.3K | 1836 | 1530 |
| 14 | Chemical Engineering | 53 | 1.3K | 1430 | 1604 |
| 15 | Fractals | 60 | 1.3K | 66 | 73 |
| 15 | mathematical analysis | 80 | 1.3K | 449 | 347 |
| 17 | Environment | 23 | 1.2K | 2312 | 2325 |
| 18 | Biomedical Engineering | 69 | 1.1K | 1056 | 1528 |
| 19 | Biochemical Engineering | 37 | 1.1K | 1001 | 1606 |
| 20 | Analytical Chemistry | 45 | 991 | 1549 | 1652 |
| 20 | Nanostructured Materials | 31 | 991 | 1280 | 1147 |
| 22 | Ecology | 22 | 898 | 3280 | 3055 |
| 23 | Nervous system | 21 | 897 | 1094 | 1059 |
| 24 | Research | 60 | 869 | 2838 | 3921 |
| 25 | Biocompatible Materials | 29 | 863 | 1537 | 1829 |
| 26 | Pollution | 29 | 816 | 2368 | 2681 |
| 27 | Biochemistry | 66 | 813 | 3082 | 4349 |
| 28 | Biomass Energy | 20 | 808 | 1048 | 1043 |
| 29 | Molecular Biology | 58 | 729 | 2734 | 4377 |
| 30 | Statistical physics | 44 | 727 | 1328 | 1409 |
| 31 | Biology | 51 | 713 | 3623 | 6027 |
| 32 | Magnetic Materials | 17 | 700 | 677 | 434 |
| 33 | Electrochemistry | 33 | 690 | 1633 | 1544 |
| 34 | environmental pollution | 22 | 675 | 2128 | 2204 |
| 35 | nanoscience | 26 | 671 | 1171 | 1397 |
| 36 | Nanoparticles | 12 | 656 | 1071 | 680 |
| 37 | Environmental monitoring | 16 | 638 | 2146 | 1893 |
| 38 | Biotechnology | 53 | 636 | 1885 | 3317 |
| 39 | health planning | 26 | 595 | 632 | 530 |
| 40 | Engineering | 37 | 587 | 1375 | 1270 |
| 41 | Artificial Intelligence | 42 | 581 | 1092 | 1405 |
| 42 | Control Theory | 49 | 559 | 347 | 486 |
| 43 | Microbiology | 46 | 546 | 2365 | 4075 |
| 44 | Aquaculture | 49 | 543 | 286 | 514 |
| 45 | Condensed Matter | 26 | 540 | 1772 | 1701 |
| 46 | Education | 14 | 471 | 2243 | 1133 |
| 46 | Quantum Gravity | 16 | 471 | 1322 | 1162 |
| 48 | China | 50 | 462 | 599 | 936 |
| 49 | Automation | 24 | 457 | 649 | 760 |
| 50 | Engineering Mathematics | 59 | 442 | 383 | 661 |
| 51 | Pharmacology | 36 | 430 | 2133 | 3275 |
| 52 | Bioengineering | 28 | 405 | 1738 | 3034 |
| 53 | Surface Chemistry | 22 | 404 | 1879 | 2211 |
| 54 | System analysis | 25 | 399 | 865 | 995 |
| 55 | Applied Mathematics | 36 | 398 | 87 | 36 |
| 56 | Environmental Policy | 7 | 392 | 2646 | 2098 |
| 57 | Environmental Health | 16 | 388 | 3161 | 3470 |
| 58 | Energy Policy | 9 | 386 | 1833 | 1745 |
| 59 | Colloids | 19 | 385 | 1945 | 2331 |
| 60 | Information Science | 23 | 370 | 858 | 1233 |
| 61 | Environmental Management | 13 | 364 | 1638 | 1915 |
| 62 | clay | 15 | 359 | 229 | 387 |
| 63 | Systems Engineering | 34 | 353 | 470 | 752 |
| 64 | Solitons | 19 | 330 | 276 | 386 |
| 64 | Chaos | 19 | 330 | 276 | 386 |
| 66 | Agricultural Chemistry | 32 | 319 | 705 | 1378 |
| 67 | Nutrition | 16 | 318 | 2565 | 2965 |
| 68 | Multimedia Systems | 8 | 300 | 1167 | 480 |
| 69 | Toxicology | 13 | 292 | 3133 | 3418 |
| 70 | Genomics | 20 | 289 | 1541 | 2265 |
| 71 | Renewable Energy Sources | 3 | 285 | 3175 | 2322 |
| 72 | mass transfer | 7 | 284 | 1319 | 1005 |
| 73 | Fuzzy systems | 22 | 281 | 437 | 508 |
| 74 | Food | 11 | 277 | 2097 | 2112 |
| 75 | Botany | 17 | 271 | 2261 | 2775 |
| 76 | Mathematical Physics | 28 | 261 | 1280 | 1568 |
| 77 | multimedia | 2 | 257 | 290 | 67 |
| 77 | Interactive multimedia | 2 | 257 | 489 | 77 |
| 79 | Pharmaceutical Chemistry | 21 | 255 | 1951 | 2982 |
| 80 | Nonlinear functional analysis | 8 | 253 | 796 | 553 |
| 81 | Biophysics | 18 | 251 | 3463 | 4201 |
| 82 | Photonics | 19 | 246 | 779 | 1323 |
| 82 | Cancer | 17 | 246 | 2105 | 3086 |
| 84 | coal | 10 | 237 | 993 | 1263 |
| 85 | Astrophysics | 23 | 231 | 1775 | 2358 |
| 86 | Statistical Mechanics | 7 | 230 | 946 | 451 |
| 86 | arthritis | 2 | 230 | 1856 | 1212 |
| 88 | Bioorganic chemistry | 19 | 227 | 1415 | 2171 |
| 89 | Cytology | 21 | 221 | 2279 | 3961 |
| 90 | Educational Technology | 12 | 218 | 730 | 755 |
| 91 | Nonlinear systems | 11 | 208 | 280 | 291 |
| 92 | Polymers | 22 | 207 | 2419 | 3254 |
| 93 | Electronics | 23 | 193 | 1681 | 2157 |
| 94 | Environmental Toxicology | 7 | 190 | 1979 | 2254 |
| 94 | Environmental pollutants | 7 | 190 | 1877 | 1919 |
| 94 | finance | 7 | 190 | 1808 | 1312 |
| 97 | Signal Processing | 16 | 188 | 907 | 1136 |
| 98 | United States | 8 | 183 | 4381 | 3759 |
| 99 | Environmental Engineering | 6 | 182 | 3617 | 3278 |
| 100 | environmental protection | 7 | 180 | 2993 | 2967 |
| 101 | Chromosome mapping | 7 | 177 | 1520 | 1724 |
| 101 | gene mapping | 7 | 177 | 1675 | 1988 |
| 103 | Algebra | 21 | 175 | 679 | 618 |
| 104 | Organic Chemistry | 15 | 173 | 1954 | 2539 |
| 104 | Systems Analysis | 11 | 173 | 536 | 601 |
| 106 | Entropy | 10 | 172 | 505 | 443 |
| 107 | Numerical Analysis | 9 | 169 | 1733 | 1394 |
| 107 | Technology | 18 | 169 | 2220 | 3144 |
| 109 | soil conservation | 3 | 168 | 944 | 543 |
| 109 | soil pollution | 2 | 168 | 885 | 283 |
| 111 | Internet of Things | 7 | 167 | 448 | 306 |
| 111 | internet | 8 | 167 | 756 | 664 |
| 113 | Telecommunication Systems | 11 | 166 | 905 | 945 |
| 114 | Genetic engineering | 17 | 163 | 1016 | 2094 |
| 114 | Metals | 12 | 163 | 1419 | 1717 |
| 116 | Calorimetry | 9 | 160 | 707 | 620 |
| 116 | Thermal analysis | 9 | 160 | 707 | 620 |
| 118 | Cell Biology | 16 | 157 | 2517 | 4374 |
| 118 | polymerization | 18 | 157 | 2233 | 3056 |
| 120 | Ceramics | 6 | 151 | 1412 | 1118 |
| 121 | Oncology | 8 | 150 | 1746 | 2804 |
| 121 | International Finance | 3 | 150 | 1854 | 1150 |
| 123 | Green Chemistry | 13 | 148 | 945 | 1825 |
| 124 | Pathology | 14 | 146 | 1409 | 2428 |
| 125 | Heat Exchangers | 3 | 143 | 1397 | 1125 |
| 126 | Psychiatry | 17 | 139 | 2450 | 4205 |
| 127 | Nuclear Chemistry | 16 | 137 | 515 | 675 |
| 127 | Radiochemistry | 16 | 137 | 442 | 585 |
| 127 | actuators | 7 | 137 | 1792 | 2198 |
| 127 | transducers | 7 | 137 | 1792 | 2198 |
| 131 | Operator theory | 12 | 132 | 115 | 95 |
| 131 | Nanostructures | 8 | 132 | 1669 | 2126 |
| 133 | Cell death | 10 | 130 | 807 | 1488 |
| 134 | computer networks | 17 | 128 | 1106 | 1876 |
| 135 | air quality | 3 | 127 | 241 | 106 |
| 136 | Clinical Chemistry | 9 | 122 | 2266 | 3158 |
| 137 | Mechanical Engineering | 9 | 121 | 1904 | 1651 |
| 138 | lasers | 24 | 120 | 623 | 1275 |
| 139 | environmental exposure | 5 | 119 | 1861 | 1980 |
| 140 | pollutants | 4 | 117 | 2066 | 2117 |
| 140 | Spectrum analysis | 12 | 117 | 3055 | 4086 |
| 142 | Integrated Circuits | 25 | 116 | 131 | 230 |
| 143 | Particle Physics | 7 | 115 | 631 | 579 |
| 143 | Glass | 6 | 115 | 998 | 1137 |
| 143 | Natural history | 1 | 115 | 7654 | 6432 |
| 146 | Economics | 7 | 112 | 3567 | 3065 |
| 147 | Sustainable Development | 5 | 110 | 1977 | 2041 |
| 147 | Cybernetics | 11 | 110 | 727 | 1153 |
| 147 | Sustainable Engineering | 7 | 110 | 1261 | 1752 |
| 147 | pigments | 5 | 110 | 696 | 756 |
| 151 | Image Processing | 14 | 108 | 1047 | 1948 |
| 152 | Egypt | 1 | 106 | 1239 | 366 |
| 153 | Geometry | 10 | 105 | 820 | 650 |
| 153 | pottery | 4 | 105 | 1184 | 1171 |
| 155 | biochemical markers | 9 | 102 | 402 | 679 |
| 156 | infrared radiation | 8 | 100 | 357 | 372 |
| 156 | Molecular Spectroscopy | 8 | 100 | 1306 | 1714 |
| 158 | Plant Genetics | 6 | 99 | 547 | 921 |
| 158 | Solid State Physics | 15 | 99 | 2447 | 3362 |
| 160 | Immunotherapy | 5 | 98 | 1891 | 2356 |
| 161 | phenomics | 5 | 97 | 19 | 31 |
| 162 | Astronomy | 9 | 96 | 2194 | 2889 |
| 162 | Medical Microbiology | 6 | 96 | 2158 | 3101 |
| 162 | Biomechanics | 5 | 96 | 1374 | 1487 |
| 165 | Thermodynamics | 7 | 95 | 906 | 806 |
| 166 | Public Health | 11 | 94 | 4179 | 6432 |
| 167 | Immunology | 10 | 93 | 2907 | 4485 |
| 167 | Computer Graphics | 13 | 93 | 858 | 1532 |
| 167 | Mental Disorders | 10 | 93 | 2201 | 3549 |
| 167 | Immunopharmacology | 4 | 93 | 1080 | 1152 |
| 167 | cytokines | 5 | 93 | 1221 | 1637 |
| 172 | food technology | 7 | 92 | 2079 | 2840 |
| 172 | Diagnosis | 8 | 92 | 342 | 498 |
| 172 | disease susceptibility | 8 | 92 | 158 | 303 |
| 172 | symptoms | 8 | 92 | 158 | 303 |
| 176 | Plant diseases | 9 | 90 | 1401 | 1842 |
| 177 | Electrical Engineering | 8 | 88 | 2796 | 2356 |
| 177 | Herbal medicine | 5 | 88 | 559 | 935 |
| 179 | Industrial Engineering | 16 | 87 | 878 | 1944 |
| 179 | Industrial Microbiology | 7 | 87 | 1543 | 2566 |
| 179 | Water pollution | 3 | 87 | 3239 | 3327 |
| 179 | RNA | 3 | 87 | 629 | 717 |
| 179 | Chemical reactors | 2 | 87 | 86 | 4 |
| 184 | Molecular cloning | 8 | 84 | 1050 | 1716 |
| 184 | Genetic recombination | 8 | 84 | 1034 | 1698 |
| 184 | Recombinant DNA | 8 | 84 | 1134 | 1792 |
| 187 | Pharmacognosy | 10 | 83 | 1164 | 2351 |
| 187 | Organometallic compounds | 7 | 83 | 955 | 1272 |
| 187 | Detectors | 17 | 83 | 225 | 518 |
| 187 | Elementary particles | 1 | 83 | 371 | 319 |
| 191 | Biosensors | 3 | 79 | 1555 | 2073 |
| 191 | Bioelectronics | 2 | 79 | 1602 | 1925 |
| 193 | Marine Biology | 3 | 78 | 3057 | 2900 |
| 193 | Economic Development | 3 | 78 | 2108 | 2002 |
| 195 | Neurochemistry | 6 | 77 | 2110 | 2999 |
| 195 | Drug design | 5 | 77 | 1649 | 2170 |
| 195 | soil microbiology | 2 | 77 | 2098 | 2273 |
| 195 | Plants | 11 | 77 | 1355 | 2459 |
| 199 | Robotics | 11 | 76 | 995 | 1721 |
| 199 | Wireless Communication Systems | 7 | 76 | 1648 | 1772 |
| 199 | Developmental Immunology | 4 | 76 | 821 | 1012 |
| 202 | Ecological Engineering | 1 | 75 | 1363 | 1002 |
| 202 | Combinatorial chemistry | 4 | 75 | 889 | 1254 |
| 202 | Structure-activity relationship | 4 | 75 | 370 | 419 |
| 205 | Solid State Chemistry | 8 | 74 | 2001 | 2566 |
| 205 | Serbia | 4 | 74 | 88 | 24 |
| 207 | Mineral resources | 4 | 73 | 524 | 703 |
| 208 | commerce | 2 | 72 | 2376 | 1578 |
| 209 | Mobile Computing | 11 | 71 | 510 | 941 |
| 209 | Developmental Psychology | 9 | 71 | 651 | 1267 |
| 211 | Solar Energy | 6 | 70 | 1482 | 2331 |
| 211 | Fishery management | 11 | 70 | 451 | 908 |
| 211 | human development | 1 | 70 | 1417 | 952 |
| 214 | Psychoneuroimmunology | 2 | 68 | 999 | 1090 |
| 214 | Neuroimmunology | 2 | 68 | 1112 | 1183 |
| 214 | Adaptive control systems | 8 | 68 | 305 | 522 |
| 217 | Visual Communication | 4 | 67 | 413 | 387 |
| 217 | Image enhancement | 4 | 67 | 271 | 353 |
| 217 | sustainability | 1 | 67 | 1782 | 1136 |
| 217 | Communication | 4 | 67 | 2147 | 1942 |
| 221 | Tourism | 5 | 66 | 1430 | 1951 |
| 222 | Eastern Europe | 2 | 65 | 1544 | 581 |
| 223 | Information Technology | 9 | 64 | 1698 | 2438 |
| 224 | Health Policy | 2 | 63 | 3735 | 2934 |
| 224 | Intelligent Control Systems | 6 | 63 | 874 | 898 |
| 224 | Pesticides | 4 | 63 | 660 | 741 |
| 224 | Microorganisms | 4 | 63 | 1253 | 1905 |
| 228 | vibration | 2 | 62 | 1804 | 1404 |
| 228 | Earth Sciences | 11 | 62 | 2217 | 3608 |
| 230 | Psychology | 18 | 61 | 2612 | 5840 |
| 230 | Environmental Microbiology | 3 | 61 | 1724 | 2307 |
| 232 | Dynamics | 12 | 60 | 1100 | 1826 |
| 233 | sanitation | 3 | 59 | 1909 | 2733 |
| 233 | Marine Pollution | 1 | 59 | 2324 | 1841 |
| 235 | Computational Biology | 16 | 58 | 1415 | 3726 |
| 236 | Sports Medicine | 11 | 57 | 1656 | 2637 |
| 236 | Medicinal plants | 5 | 57 | 1339 | 2194 |
| 236 | Mental illness | 2 | 57 | 3117 | 3132 |
| 239 | Structural dynamics | 1 | 56 | 1910 | 1527 |
| 239 | Sports | 9 | 56 | 1416 | 2043 |
| 241 | Medical Technology | 10 | 55 | 1036 | 2650 |
| 241 | plant molecular biology | 7 | 55 | 1185 | 2386 |
| 243 | Oxidative stress | 3 | 53 | 1420 | 2040 |
| 243 | Bioinformatics | 8 | 53 | 1544 | 2756 |
| 245 | Electrophoresis | 1 | 52 | 3129 | 2380 |
| 245 | Diet | 1 | 52 | 4408 | 3647 |
| 247 | Geochemistry | 3 | 51 | 2332 | 2710 |
| 247 | Bioprinting | 1 | 51 | 115 | 73 |
| 249 | biomedicine | 6 | 50 | 626 | 1380 |
| 250 | Neurology | 10 | 49 | 4045 | 7214 |
| 250 | Physiology | 10 | 49 | 3128 | 5873 |
| 250 | Multivariate Analysis | 1 | 49 | 959 | 606 |
| 250 | Nonlinear Dynamics | 8 | 49 | 1704 | 2644 |
| 250 | Ferroelectricity | 13 | 49 | 463 | 797 |
| 250 | toxicity testing | 2 | 49 | 1170 | 1207 |
| 250 | genome | 4 | 49 | 1760 | 2804 |
| 257 | Horticulture | 2 | 48 | 1187 | 908 |
| 257 | Cosmochemistry | 2 | 48 | 1316 | 1404 |
| 259 | Medical Laboratory Science | 3 | 47 | 2703 | 3460 |
| 259 | Microbial Ecology | 3 | 47 | 2770 | 3998 |
| 259 | Composite Materials | 3 | 47 | 3196 | 3783 |
| 259 | Social Change | 2 | 47 | 1428 | 1730 |
| 259 | ecosystem | 1 | 47 | 2546 | 2244 |
| 264 | Computational Intelligence | 16 | 46 | 210 | 1086 |
| 264 | management | 5 | 46 | 3251 | 4227 |
| 264 | Asia | 15 | 46 | 1303 | 3097 |
| 267 | Medical Physics | 5 | 45 | 1607 | 2230 |
| 268 | Cellular senescence | 2 | 44 | 1129 | 1518 |
| 268 | Luminescence | 6 | 44 | 1126 | 1714 |
| 270 | Functional Analysis | 4 | 43 | 1342 | 1428 |
| 270 | Physical Geography | 2 | 43 | 875 | 751 |
| 270 | Plant physiology | 5 | 43 | 1993 | 3218 |
| 270 | Personality Assessment | 1 | 43 | 995 | 893 |
| 270 | Approximation Theory | 4 | 43 | 411 | 458 |
| 275 | Animal husbandry | 1 | 42 | 756 | 430 |
| 275 | Alternative Medicine | 7 | 42 | 1396 | 2857 |
| 275 | livestock | 1 | 42 | 1099 | 583 |
| 275 | Soil ecology | 2 | 42 | 1114 | 1352 |
| 279 | Thermochemistry | 3 | 41 | 594 | 724 |
| 279 | Drug delivery systems | 6 | 41 | 1271 | 2599 |
| 279 | Parasitology | 5 | 41 | 2403 | 3332 |
| 282 | Optical Communications | 2 | 40 | 946 | 771 |
| 282 | Chemical industry | 3 | 40 | 1690 | 1724 |
| 284 | nucleic acids | 2 | 39 | 2498 | 2928 |
| 284 | Plant cells | 3 | 39 | 1287 | 2234 |
| 286 | Environmental Law | 1 | 38 | 2268 | 2367 |
| 286 | Corporate Social Responsibility | 1 | 38 | 696 | 694 |
| 286 | environmental auditing | 1 | 38 | 722 | 704 |
| 289 | Microbial Biotechnology | 4 | 37 | 1024 | 1754 |
| 289 | Oncogenes | 4 | 37 | 1262 | 2476 |
| 289 | Electromagnetic waves | 3 | 37 | 243 | 312 |
| 289 | Cell differentiation | 4 | 37 | 1884 | 3256 |
| 289 | reasoning | 5 | 37 | 272 | 597 |
| 294 | Cosmology | 11 | 36 | 921 | 1505 |
| 294 | Virology | 9 | 36 | 2390 | 5419 |
| 294 | Organometallic chemistry | 3 | 36 | 2381 | 2481 |
| 294 | plant communities | 2 | 36 | 1490 | 1920 |
| 298 | Quantum Chemistry | 3 | 35 | 1104 | 1088 |
| 298 | Primary health care | 2 | 35 | 2868 | 2832 |
| 300 | micromechanics | 1 | 34 | 1251 | 1059 |
| 300 | natural products | 9 | 34 | 1201 | 2483 |
| 302 | Computer Science | 3 | 33 | 2808 | 2811 |
| 302 | Medical Oncology | 6 | 33 | 1842 | 3301 |
| 302 | human behavior | 4 | 33 | 2588 | 4698 |
| 302 | Ethnology | 1 | 33 | 3000 | 1839 |
| 302 | Brain | 7 | 33 | 2209 | 4249 |
| 302 | clay minerals | 3 | 33 | 333 | 611 |
| 302 | Tropical Medicine | 2 | 33 | 2945 | 2953 |
| 309 | Zoology | 3 | 32 | 3177 | 3414 |
| 309 | fuel cells | 5 | 32 | 1190 | 2038 |
| 309 | Emulsions | 1 | 32 | 867 | 514 |
| 309 | biological factors | 5 | 32 | 1871 | 3252 |
| 309 | software | 1 | 32 | 2014 | 1854 |
| 314 | Food Microbiology | 2 | 31 | 1879 | 2679 |
| 314 | Emergency Medicine | 5 | 31 | 1597 | 2412 |
| 314 | dietary supplements | 6 | 31 | 539 | 1592 |
| 314 | Business | 1 | 31 | 3999 | 3097 |
| 314 | Agriculture | 4 | 31 | 2574 | 3590 |
| 319 | Long-Term Care | 3 | 30 | 631 | 1141 |
| 319 | Long-term care facilities | 3 | 30 | 624 | 1136 |
| 321 | Emergency Medical Services | 2 | 29 | 1295 | 1381 |
| 321 | Analytical Biochemistry | 5 | 29 | 1689 | 3109 |
| 321 | energy conservation | 4 | 29 | 2105 | 3655 |
| 321 | Synthetic biology | 2 | 29 | 492 | 605 |
| 321 | Light | 1 | 29 | 1935 | 2049 |
| 321 | radioactive waste | 1 | 29 | 1656 | 2069 |
| 321 | industrial waste | 1 | 29 | 1710 | 2075 |
| 321 | Hazardous waste | 1 | 29 | 1913 | 2196 |
| 329 | Information Theory | 5 | 28 | 1159 | 1755 |
| 329 | Epidemiology | 8 | 28 | 3161 | 6644 |
| 329 | Neuropsychology | 6 | 28 | 1995 | 3861 |
| 329 | Proteomics | 3 | 28 | 1437 | 2433 |
| 329 | Health Services Research | 1 | 28 | 3754 | 2971 |
| 329 | Systems Biology | 2 | 28 | 2550 | 2864 |
| 329 | Technological Innovations | 4 | 28 | 1014 | 1772 |
| 329 | Reproduction | 4 | 28 | 2549 | 3860 |
| 329 | Insects | 2 | 28 | 2189 | 2115 |
| 329 | econometric models | 1 | 28 | 1230 | 1111 |
| 339 | Semiconductors | 5 | 27 | 2064 | 3024 |
| 339 | Insect biochemistry | 2 | 27 | 671 | 922 |
| 341 | Genetics | 6 | 26 | 3711 | 6824 |
| 341 | Hydrology | 3 | 26 | 3084 | 3895 |
| 343 | Water | 3 | 25 | 3000 | 4659 |
| 343 | Simulation Methods | 1 | 25 | 2132 | 1780 |
| 343 | Waste management | 1 | 25 | 2797 | 2486 |
| 343 | Water Purification | 1 | 25 | 2228 | 2034 |
| 343 | Water quality management | 1 | 25 | 3560 | 3153 |
| 343 | Teaching | 4 | 25 | 1821 | 2470 |
| 343 | Library Science | 3 | 25 | 1525 | 1332 |
| 350 | Histology | 2 | 24 | 2761 | 3602 |
| 350 | Neurophysiology | 7 | 24 | 2415 | 5066 |
| 350 | Energy Consumption | 2 | 24 | 328 | 485 |
| 350 | Measurement | 8 | 24 | 822 | 2274 |
| 350 | Physical fitness | 2 | 24 | 1514 | 1816 |
| 350 | drug toxicity | 1 | 24 | 1113 | 1216 |
| 356 | Psychiatric Nursing | 2 | 23 | 995 | 1175 |
| 356 | Cytogenetics | 2 | 23 | 2349 | 3328 |
| 356 | Food service management | 1 | 23 | 768 | 960 |
| 356 | Bioinorganic chemistry | 1 | 23 | 2515 | 2540 |
| 356 | Mobile Commerce | 6 | 23 | 148 | 356 |
| 356 | Decision making | 4 | 23 | 1565 | 2736 |
| 362 | Agricultural Engineering | 4 | 22 | 476 | 959 |
| 362 | Thrombosis | 1 | 22 | 2140 | 2224 |
| 362 | Ceramic materials | 3 | 22 | 1644 | 2349 |
| 362 | vascular diseases | 1 | 22 | 1441 | 1629 |
| 366 | complementary therapies | 6 | 21 | 1697 | 3894 |
| 366 | drug evaluation | 3 | 21 | 1744 | 2846 |
| 368 | Agricultural Science | 1 | 20 | 513 | 689 |
| 368 | Statistics | 3 | 20 | 3259 | 3801 |
| 368 | Embryology | 1 | 20 | 2783 | 3126 |
| 368 | Nanochemistry | 3 | 20 | 1536 | 2214 |
| 368 | Agronomy | 1 | 20 | 1293 | 1432 |
| 368 | Drug targeting | 2 | 20 | 456 | 941 |
| 368 | Soil biology | 1 | 20 | 1609 | 1969 |
| 368 | Inflammation | 1 | 20 | 2547 | 2858 |
| 368 | Soil fertility | 1 | 20 | 692 | 916 |
| 377 | Economic History | 8 | 19 | 2865 | 4717 |
| 377 | Clinical Biochemistry | 2 | 19 | 2103 | 2627 |
| 377 | Thin Films | 2 | 19 | 926 | 1092 |
| 377 | Diagnostic Imaging | 7 | 19 | 1775 | 3831 |
| 377 | Evidence-Based Medicine | 6 | 19 | 984 | 2576 |
| 377 | Cell cycle | 1 | 19 | 720 | 820 |
| 377 | cell proliferation | 1 | 19 | 799 | 873 |
| 377 | Behavior | 3 | 19 | 3940 | 6468 |
| 385 | solar power | 2 | 18 | 1231 | 1989 |
| 385 | free radicals | 2 | 18 | 2099 | 3133 |
| 385 | solar cells | 2 | 18 | 1350 | 2145 |
| 385 | anesthesia | 5 | 18 | 516 | 936 |
| 385 | drugs | 5 | 18 | 2216 | 4492 |
| 385 | Psychophysiology | 8 | 18 | 2205 | 5242 |
| 391 | Oceanography | 2 | 17 | 2501 | 3234 |
| 391 | Neurobiology | 1 | 17 | 3200 | 3768 |
| 391 | Bifurcation Theory | 2 | 17 | 996 | 1166 |
| 391 | psychophysics | 4 | 17 | 331 | 583 |
| 391 | Environmental risk assessment | 1 | 17 | 999 | 996 |
| 391 | Pakistan | 6 | 17 | 282 | 381 |
| 391 | Atomic spectroscopy | 6 | 17 | 1018 | 2088 |
| 391 | Attention | 4 | 17 | 2034 | 3933 |
| 391 | Perception | 5 | 17 | 1908 | 4032 |
| 400 | Geriatric Nursing | 8 | 16 | 218 | 894 |
| 400 | Energy Conversion | 4 | 16 | 1282 | 2371 |
| 400 | Energy Storage | 5 | 16 | 1198 | 2262 |
| 400 | Molecular evolution | 1 | 16 | 2937 | 3487 |
| 400 | animals | 1 | 16 | 2559 | 2327 |
| 400 | India | 2 | 16 | 2888 | 2450 |
| 400 | Aging | 5 | 16 | 2888 | 5206 |
| 407 | Nursing | 8 | 15 | 1385 | 3333 |
| 407 | Pharmaceutical Technology | 2 | 15 | 2233 | 3230 |
| 407 | Fracture mechanics | 1 | 15 | 2478 | 2577 |
| 407 | Computational Complexity | 3 | 15 | 1342 | 1890 |
| 407 | Chemical analysis | 3 | 15 | 1486 | 2664 |
| 407 | water supply | 1 | 15 | 1829 | 2159 |
| 407 | catalytic activity | 1 | 15 | 1138 | 1397 |
| 414 | Photochemistry | 1 | 14 | 3373 | 3783 |
| 414 | Photobiology | 1 | 14 | 2755 | 3085 |
| 414 | Microstructure | 2 | 14 | 1357 | 1786 |
| 414 | energy resources | 1 | 14 | 2533 | 3377 |
| 418 | Mechatronics | 5 | 13 | 605 | 1602 |
| 418 | Quality Control | 3 | 13 | 2294 | 4010 |
| 418 | Environmental Chemistry | 1 | 13 | 4116 | 4723 |
| 418 | Cognitive Science | 5 | 13 | 1387 | 3238 |
| 418 | Neuroanatomy | 1 | 13 | 586 | 750 |
| 418 | Mental Health Services | 2 | 13 | 2000 | 2880 |
| 418 | Zeolites | 3 | 13 | 1089 | 2211 |
| 418 | foods | 2 | 13 | 435 | 813 |
| 418 | carcinogens | 1 | 13 | 2051 | 2659 |
| 418 | rehabilitation | 4 | 13 | 2438 | 4634 |
| 428 | Geriatric Psychiatry | 1 | 12 | 2229 | 2651 |
| 428 | Signal Transduction | 2 | 12 | 2100 | 3303 |
| 428 | Mental Health | 1 | 12 | 3470 | 3643 |
| 428 | Investment analysis | 2 | 12 | 1188 | 1536 |
| 428 | Gerontology | 2 | 12 | 2964 | 3703 |
| 428 | Parasitic Diseases | 3 | 12 | 2731 | 4547 |
| 428 | Biomolecules | 1 | 12 | 994 | 1412 |
| 428 | Cell surface receptors | 1 | 12 | 346 | 462 |
| 428 | biopolymers | 1 | 12 | 2174 | 2577 |
| 428 | Catalysts | 1 | 12 | 1370 | 1589 |
| 428 | Gastrointestinal diseases | 2 | 12 | 1144 | 1787 |
| 439 | Social Sciences | 10 | 11 | 2541 | 6050 |
| 439 | Humanities | 8 | 11 | 1333 | 2890 |
| 439 | Magnetic Resonance Imaging | 1 | 11 | 1175 | 1378 |
| 439 | economic policy | 4 | 11 | 2656 | 3970 |
| 439 | food contamination | 1 | 11 | 2256 | 2528 |
| 439 | Developing countries | 2 | 11 | 3854 | 5081 |
| 439 | Diabetes | 2 | 11 | 3321 | 4957 |
| 446 | Geriatrics | 6 | 10 | 2817 | 5915 |
| 446 | Dermatology | 3 | 10 | 2255 | 3583 |
| 446 | Heterocyclic chemistry | 2 | 10 | 849 | 1139 |
| 446 | Bacteriology | 1 | 10 | 3546 | 4530 |
| 446 | Laser therapy | 2 | 10 | 669 | 995 |
| 446 | Genetic testing | 1 | 10 | 862 | 1023 |
| 446 | Biomarkers | 1 | 10 | 1072 | 1348 |
| 446 | Evolutionary Computation | 3 | 10 | 407 | 1106 |
| 446 | Swarm Intelligence | 2 | 10 | 393 | 847 |
| 446 | Cardiovascular diseases | 2 | 10 | 2501 | 3466 |
| 446 | disease vectors | 2 | 10 | 1476 | 2578 |
| 446 | Parasites | 2 | 10 | 2412 | 3531 |
| 458 | Orthopedics | 4 | 9 | 1777 | 3441 |
| 458 | Computational Chemistry | 2 | 9 | 1026 | 1694 |
| 458 | Public Policy | 1 | 9 | 3596 | 4455 |
| 458 | Process Control | 1 | 9 | 1650 | 2296 |
| 458 | Financial Engineering | 1 | 9 | 542 | 705 |
| 458 | Orthopedic Surgery | 3 | 9 | 1062 | 2060 |
| 458 | Behavioral research | 7 | 9 | 229 | 1139 |
| 458 | Metabolic syndrome | 1 | 9 | 640 | 908 |
| 458 | Calculus of Variations | 3 | 9 | 598 | 889 |
| 458 | Histocompatibility Testing | 2 | 9 | 939 | 1532 |
| 458 | DNS | 1 | 9 | 1165 | 1637 |
| 458 | Microwaves | 1 | 9 | 1981 | 1877 |
| 458 | energy development | 1 | 9 | 2030 | 2499 |
| 458 | Oxidation-reduction | 1 | 9 | 1549 | 2268 |
| 458 | Genes | 1 | 9 | 2304 | 2874 |
| 473 | Intelligent Transportation Systems | 3 | 8 | 876 | 1737 |
| 473 | Fluid Mechanics | 1 | 8 | 3085 | 3493 |
| 473 | Veterinary Pathology | 2 | 8 | 519 | 850 |
| 473 | Computer-Aided Design | 2 | 8 | 1873 | 2855 |
| 473 | Animal breeding | 2 | 8 | 1096 | 1830 |
| 473 | Biological Systems | 3 | 8 | 914 | 2186 |
| 473 | Enzyme inhibitors | 1 | 8 | 884 | 1318 |
| 473 | Video Games | 1 | 8 | 215 | 273 |
| 473 | glycoproteins | 1 | 8 | 997 | 1453 |
| 473 | Glycoconjugates | 1 | 8 | 997 | 1453 |
| 473 | Oligosaccharides | 1 | 8 | 592 | 953 |
| 473 | supercritical fluids | 1 | 8 | 778 | 1210 |
| 473 | drug development | 1 | 8 | 2308 | 3244 |
| 473 | glycolipids | 1 | 8 | 997 | 1453 |
| 473 | Breeding | 2 | 8 | 1772 | 2848 |
| 488 | Data Mining | 8 | 7 | 1151 | 4310 |
| 488 | Agricultural Ecology | 1 | 7 | 2368 | 3279 |
| 488 | Quantum electronics | 2 | 7 | 1668 | 2137 |
| 488 | Diabetes mellitus | 1 | 7 | 4063 | 5259 |
| 488 | International Education | 1 | 7 | 550 | 758 |
| 488 | plasticity | 1 | 7 | 640 | 953 |
| 488 | Plastics | 1 | 7 | 3230 | 3702 |
| 488 | Optoelectronic devices | 2 | 7 | 1371 | 1815 |
| 488 | East Asia | 2 | 7 | 1006 | 1514 |
| 488 | food industry | 2 | 7 | 1079 | 1777 |
| 488 | Immune system | 1 | 7 | 2089 | 2824 |
| 488 | Philippines | 1 | 7 | 312 | 357 |
| 488 | Immunity | 2 | 7 | 2830 | 4640 |
| 501 | Manufacturing Processes | 2 | 6 | 3230 | 4663 |
| 501 | Production Engineering | 1 | 6 | 3640 | 4118 |
| 501 | Clinical Pharmacology | 4 | 6 | 1665 | 3789 |
| 501 | Physical Chemistry | 2 | 6 | 3215 | 4828 |
| 501 | Human-Computer Interaction | 2 | 6 | 2230 | 3786 |
| 501 | drug resistance | 1 | 6 | 1715 | 2443 |
| 501 | Noise | 1 | 6 | 401 | 470 |
| 501 | Randomized Controlled Trials | 2 | 6 | 1883 | 3214 |
| 501 | Asymmetric synthesis | 1 | 6 | 350 | 481 |
| 501 | Molecules | 1 | 6 | 2709 | 3088 |
| 501 | Sound | 1 | 6 | 1809 | 1794 |
| 501 | Biometrics | 1 | 6 | 2079 | 2576 |
| 501 | bioluminescence | 1 | 6 | 837 | 1112 |
| 501 | antibiotics | 5 | 6 | 325 | 1286 |
| 501 | Quantum theory | 1 | 6 | 1823 | 2055 |
| 516 | Computer Engineering | 2 | 5 | 1314 | 2371 |
| 516 | Econometrics | 2 | 5 | 1889 | 2711 |
| 516 | Metabolism | 2 | 5 | 4108 | 6608 |
| 516 | Critical Care Medicine | 3 | 5 | 1943 | 3750 |
| 516 | School Psychology | 1 | 5 | 870 | 1305 |
| 516 | Quantum Communication | 4 | 5 | 193 | 599 |
| 516 | Exercise | 7 | 5 | 978 | 2966 |
| 516 | venom | 1 | 5 | 1799 | 2296 |
| 516 | Toxins | 1 | 5 | 1957 | 2503 |
| 525 | Environmental Geology | 1 | 4 | 3006 | 3933 |
| 525 | Critical Care | 2 | 4 | 2508 | 4313 |
| 525 | Oral Medicine | 4 | 4 | 751 | 1670 |
| 525 | Clinical Immunology | 1 | 4 | 2544 | 3451 |
| 525 | Sustainable agriculture | 1 | 4 | 1636 | 2336 |
| 525 | Quality Assurance | 1 | 4 | 980 | 1517 |
| 525 | Social welfare | 1 | 4 | 1259 | 1855 |
| 525 | Obesity | 1 | 4 | 3855 | 5392 |
| 525 | Crystallography | 2 | 4 | 2401 | 3183 |
| 525 | Social work | 1 | 4 | 2976 | 3698 |
| 525 | probabilities | 2 | 4 | 1773 | 2404 |
| 525 | Evolution | 3 | 4 | 2349 | 4751 |
| 525 | sports injuries | 1 | 4 | 1210 | 1599 |
| 538 | Rheumatology | 2 | 3 | 1865 | 3177 |
| 538 | Endocrinology | 2 | 3 | 4477 | 7021 |
| 538 | Pediatrics | 3 | 3 | 3379 | 6479 |
| 538 | Sustainable Architecture | 1 | 3 | 405 | 581 |
| 538 | Medical genetics | 1 | 3 | 4858 | 6496 |
| 538 | Optoelectronics | 3 | 3 | 672 | 1609 |
| 538 | Marine Biotechnology | 1 | 3 | 558 | 1001 |
| 538 | Industrial Safety | 1 | 3 | 2544 | 3397 |
| 538 | Child | 1 | 3 | 4935 | 6260 |
| 538 | Contraception | 1 | 3 | 1342 | 2127 |
| 538 | Reproductive health | 1 | 3 | 1743 | 2626 |
| 538 | Child welfare | 1 | 3 | 2298 | 3230 |
| 538 | locomotion | 1 | 3 | 1362 | 1884 |
| 538 | posture | 1 | 3 | 1362 | 1884 |
| 538 | Telecommunication | 1 | 3 | 4276 | 5006 |
| 538 | Soviet Union | 1 | 3 | 1637 | 1925 |
| 538 | Europe | 1 | 3 | 6489 | 7672 |
| 538 | gait | 1 | 3 | 1362 | 1884 |
| 538 | Digital Audio Broadcasting | 1 | 3 | 58 | 154 |
| 538 | Fisheries | 1 | 3 | 3102 | 3984 |
| 538 | Birth control | 1 | 3 | 1061 | 1746 |
| 538 | walking | 1 | 3 | 1362 | 1884 |
| 560 | Obstetrics | 1 | 2 | 4694 | 6114 |
| 560 | Tribology | 1 | 2 | 2212 | 3005 |
| 560 | Stochastic Processes | 1 | 2 | 1828 | 2468 |
| 560 | Metallurgy | 1 | 2 | 4401 | 5348 |
| 560 | Organizational learning | 1 | 2 | 1321 | 1824 |
| 560 | Cross-Cultural Studies | 4 | 2 | 638 | 2296 |
| 560 | Wireless Communication | 1 | 2 | 996 | 1551 |
| 560 | Knowledge management | 1 | 2 | 1598 | 2127 |
| 560 | Pediatric Neuropsychology | 1 | 2 | 242 | 447 |
| 560 | Access to Information | 1 | 2 | 446 | 1028 |
| 560 | big data | 1 | 2 | 1283 | 1993 |
| 560 | Visual Perception | 2 | 2 | 2745 | 5062 |
| 560 | Plant hormones | 1 | 2 | 719 | 1226 |
| 560 | cross-cultural comparison | 4 | 2 | 497 | 1925 |
| 560 | Vision | 1 | 2 | 1226 | 1894 |
| 560 | optical devices | 1 | 2 | 1008 | 1499 |
| 560 | Creativity | 2 | 2 | 405 | 1140 |
| 560 | Information dissemination | 1 | 2 | 446 | 1028 |
| 560 | Cognition | 1 | 2 | 3011 | 4295 |
| 579 | Sociology | 5 | 1 | 2928 | 7954 |
| 579 | Clinical Trials | 1 | 1 | 1343 | 2220 |
| 579 | Social Psychology | 8 | 1 | 1452 | 5536 |
| 579 | Demography | 1 | 1 | 1482 | 2240 |
| 579 | Applied Linguistics | 1 | 1 | 1202 | 1617 |
| 579 | Tissue Engineering | 4 | 1 | 283 | 1264 |
| 579 | Microbial Genetics | 1 | 1 | 767 | 1276 |
| 579 | Oral Pathology | 1 | 1 | 219 | 435 |
| 579 | Plant Biotechnology | 1 | 1 | 1642 | 2437 |
| 579 | Operations Research | 1 | 1 | 3812 | 5154 |
| 579 | Boundary Value Problems | 1 | 1 | 890 | 1256 |
| 579 | Schizophrenia | 1 | 1 | 1921 | 2716 |
| 579 | Hydrodynamics | 1 | 1 | 1090 | 1790 |
| 579 | environmental indicators | 1 | 1 | 2151 | 3401 |
| 579 | occupational diseases | 1 | 1 | 2046 | 3450 |
| 579 | Functional foods | 3 | 1 | 429 | 1582 |
| 579 | Mass Spectrometry | 1 | 1 | 2335 | 3427 |
| 579 | Food additives | 1 | 1 | 2359 | 3495 |
| 579 | Geriatric Oncology | 1 | 1 | 1283 | 2102 |
| 579 | Chromatography | 1 | 1 | 3126 | 4585 |
| 579 | Fiber Optics | 1 | 1 | 1083 | 1566 |
| 579 | Hormones | 1 | 1 | 2537 | 3768 |
| 579 | personality | 8 | 1 | 911 | 3582 |
| 579 | data collection | 6 | 1 | 906 | 3920 |
| 579 | Hospitality industry | 1 | 1 | 877 | 1623 |
| 579 | Crystal growth | 1 | 1 | 1886 | 2582 |
| 579 | Social behavior | 8 | 1 | 765 | 3391 |
| 579 | North America | 2 | 1 | 1387 | 2933 |
| 579 | Germany | 1 | 1 | 1592 | 2051 |
| 579 | Sociobiology | 1 | 1 | 620 | 979 |
| 579 | drug therapy | 1 | 1 | 4523 | 6288 |
| 579 | biological agents | 1 | 1 | 1459 | 2003 |
| 579 | biological evolution | 1 | 1 | 3841 | 5551 |
| 579 | Vegetation | 1 | 1 | 299 | 561 |
| 579 | United Kingdom | 1 | 1 | 3304 | 4732 |
| 579 | Chromatographic analysis | 2 | 1 | 2873 | 5044 |
| 579 | Women's health | 1 | 1 | 2943 | 4355 |
| 579 | wood | 1 | 1 | 962 | 1566 |
| 579 | Informatics | 1 | 1 | 1726 | 2568 |
| 579 | Australia | 2 | 1 | 3023 | 5926 |
| 579 | World Wide Web | 2 | 1 | 660 | 1749 |
| 579 | Entomology | 1 | 1 | 4141 | 5369 |
| 579 | Pancreatic diseases | 1 | 1 | 1022 | 1199 |
| 622 | Geology | 1 | 0 | 5001 | 6779 |
| 622 | Meteorology | 1 | 0 | 4219 | 6097 |
| 622 | Hematology | 1 | 0 | 5376 | 6539 |
| 622 | Climatology | 1 | 0 | 3269 | 4728 |
| 622 | Information Systems | 1 | 0 | 3066 | 4984 |
| 622 | Biopharmaceutics | 1 | 0 | 2479 | 3852 |
| 622 | Ecological Genetics | 1 | 0 | 1384 | 2193 |
| 622 | Building Materials | 1 | 0 | 2833 | 3883 |
| 622 | Photography | 2 | 0 | 3990 | 5785 |
| 622 | Power Electronics | 1 | 0 | 1271 | 1872 |
| 622 | Computer Vision | 1 | 0 | 2215 | 3503 |
| 622 | Quality Management | 1 | 0 | 449 | 906 |
| 622 | Neurosurgery | 1 | 0 | 2295 | 3273 |
| 622 | Histochemistry | 2 | 0 | 1713 | 3401 |
| 622 | Psychosomatic Medicine | 1 | 0 | 1718 | 2764 |
| 622 | Machine Learning | 1 | 0 | 867 | 1436 |
| 622 | Conservation Biology | 1 | 0 | 2240 | 3374 |
| 622 | Educational Psychology | 3 | 0 | 1598 | 3844 |
| 622 | Population Genetics | 1 | 0 | 2300 | 3486 |
| 622 | Psychopharmacology | 1 | 0 | 3027 | 4311 |
| 622 | Computational Linguistics | 1 | 0 | 1314 | 2183 |
| 622 | Forensic Toxicology | 1 | 0 | 139 | 382 |
| 622 | Electromagnetism | 1 | 0 | 1543 | 2284 |
| 622 | Differential Equations | 1 | 0 | 1742 | 2388 |
| 622 | behavioral medicine | 1 | 0 | 2750 | 4568 |
| 622 | Sleep Disorders | 2 | 0 | 2514 | 4312 |
| 622 | Research Design | 1 | 0 | 2675 | 4442 |
| 622 | mutation | 1 | 0 | 1274 | 2101 |
| 622 | Transportation | 1 | 0 | 3003 | 4419 |
| 622 | Microfabrication | 1 | 0 | 940 | 1659 |
| 622 | Land use | 1 | 0 | 2243 | 3509 |
| 622 | Medical Ethics | 1 | 0 | 2480 | 3912 |
| 622 | Electrochemical Analysis | 1 | 0 | 2700 | 3849 |
| 622 | Quantum Optics | 4 | 0 | 967 | 2376 |
| 622 | Health | 1 | 0 | 4833 | 7322 |
| 622 | Neuropharmacology | 1 | 0 | 1246 | 2059 |
| 622 | Genetic algorithms | 1 | 0 | 403 | 800 |
| 622 | Hydraulic machinery | 1 | 0 | 315 | 637 |
| 622 | Gene expression regulation | 1 | 0 | 2095 | 3251 |
| 622 | Nanomanufacturing | 1 | 0 | 274 | 552 |
| 622 | Qualitative Research | 1 | 0 | 1052 | 1826 |
| 622 | Interferons | 1 | 0 | 678 | 1276 |
| 622 | Respiratory system | 1 | 0 | 1247 | 2048 |
| 622 | Genetic regulation | 1 | 0 | 2342 | 3533 |
| 622 | Welding | 1 | 0 | 703 | 1105 |
| 622 | Malaria | 1 | 0 | 1536 | 2483 |
| 622 | visualization | 1 | 0 | 3684 | 4052 |
| 622 | chronic fatigue syndrome | 1 | 0 | 145 | 326 |
| 622 | land degradation | 1 | 0 | 1102 | 1832 |
| 622 | protein | 1 | 0 | 2381 | 3572 |
| 622 | machinery | 1 | 0 | 1659 | 2430 |
| 622 | particles | 1 | 0 | 2065 | 3207 |
| 622 | Quality of life | 1 | 0 | 3133 | 4987 |
| 622 | Chromosomes | 1 | 0 | 1920 | 2997 |
| 622 | weather forecasting | 1 | 0 | 427 | 842 |
| 622 | Diplomatic relations | 1 | 0 | 1468 | 1913 |
| 622 | economic analysis | 1 | 0 | 606 | 1189 |
| 622 | musculoskeletal system | 1 | 0 | 341 | 676 |
| 622 | Central Asia | 1 | 0 | 578 | 1162 |
| 622 | Imaging systems | 4 | 0 | 857 | 2912 |
| 622 | Respiration | 2 | 0 | 2215 | 4235 |
| 622 | Steroids | 1 | 0 | 1948 | 3008 |
| 622 | cell interaction | 1 | 0 | 2311 | 3466 |
| 622 | Laser Spectroscopy | 4 | 0 | 899 | 2287 |
| 622 | Spine | 1 | 0 | 1358 | 2132 |
| 622 | Molecular structure | 1 | 0 | 4499 | 6057 |
| 622 | Cytokine | 1 | 0 | 917 | 1657 |
| 622 | Heterocyclic compounds | 1 | 0 | 1923 | 2762 |
| 622 | educational innovations | 1 | 0 | 1078 | 1865 |
| 622 | miniaturization | 1 | 0 | 3408 | 4976 |
| 622 | degradation | 1 | 0 | 1102 | 1832 |
| 622 | Biodiversity | 2 | 0 | 3360 | 5994 |
| 622 | Kidney diseases | 3 | 0 | 1290 | 2967 |
| 622 | Sleep | 2 | 0 | 2533 | 4362 |
| 622 | Digestive system diseases | 2 | 0 | 1471 | 2997 |
| 622 | Muscle contraction | 1 | 0 | 777 | 1328 |
| 622 | proteins | 1 | 0 | 3989 | 5634 |