| 1 | Materials | 61 | 6.2K | 1519 | 805 |
| 2 | Optical materials | 33 | 3.9K | 754 | 330 |
| 3 | Chemical Engineering | 33 | 3.9K | 1543 | 795 |
| 4 | Analytical Chemistry | 73 | 3.7K | 934 | 663 |
| 5 | Nanotechnology | 62 | 3.6K | 1134 | 931 |
| 6 | Carbon | 9 | 3.6K | 718 | 128 |
| 7 | Pollution | 105 | 3.5K | 777 | 997 |
| 8 | Ecology | 83 | 3.3K | 1125 | 1208 |
| 9 | Biochemical Engineering | 25 | 3.0K | 1140 | 739 |
| 10 | Materials Science | 28 | 2.7K | 1533 | 876 |
| 11 | Science | 62 | 2.5K | 2038 | 2106 |
| 12 | Magnetic Materials | 13 | 2.3K | 735 | 139 |
| 13 | Biocompatible Materials | 23 | 2.3K | 1342 | 939 |
| 14 | environmental pollution | 73 | 2.3K | 750 | 908 |
| 15 | Chemistry | 81 | 2.3K | 2093 | 2183 |
| 16 | Physics | 105 | 2.1K | 1746 | 2338 |
| 17 | Biochemistry | 68 | 1.7K | 2001 | 2145 |
| 18 | Nanostructured Materials | 28 | 1.5K | 1073 | 820 |
| 19 | Environmental Health | 68 | 1.5K | 952 | 1320 |
| 20 | Anthropology | 55 | 1.5K | 248 | 193 |
| 21 | Pharmacognosy | 50 | 1.4K | 265 | 355 |
| 22 | Environmental monitoring | 38 | 1.4K | 953 | 1008 |
| 23 | Ethnobotany | 42 | 1.4K | 5 | 15 |
| 23 | Medical Anthropology | 42 | 1.4K | 211 | 289 |
| 23 | Traditional medicine | 42 | 1.4K | 5 | 15 |
| 23 | ethnobiology | 42 | 1.4K | 5 | 15 |
| 23 | Phytotherapy | 42 | 1.4K | 21 | 26 |
| 23 | Ethnomedicine | 42 | 1.4K | 5 | 15 |
| 29 | Medicinal plants | 53 | 1.4K | 136 | 247 |
| 30 | Environment | 33 | 1.4K | 1370 | 1667 |
| 31 | Neurology | 17 | 1.3K | 1804 | 1327 |
| 32 | Research | 51 | 1.3K | 2015 | 2021 |
| 33 | Toxicology | 40 | 1.2K | 1207 | 1250 |
| 34 | Catalysis | 26 | 1.2K | 1415 | 1287 |
| 35 | Molecular Biology | 36 | 1.2K | 2230 | 2232 |
| 36 | Mathematics | 96 | 1.1K | 1311 | 1283 |
| 37 | Biology | 26 | 1.1K | 2829 | 2718 |
| 38 | China | 100 | 1.1K | 247 | 455 |
| 39 | nanoscience | 17 | 1.1K | 1208 | 948 |
| 40 | Nanoparticles | 13 | 1.0K | 852 | 467 |
| 41 | Botany | 35 | 1.0K | 1164 | 1243 |
| 42 | Environmental Chemistry | 10 | 976 | 1045 | 679 |
| 43 | Medicine | 42 | 896 | 2452 | 2780 |
| 44 | Photonics | 22 | 850 | 694 | 666 |
| 45 | Colloids | 39 | 838 | 1120 | 1418 |
| 46 | Surface Chemistry | 37 | 828 | 1204 | 1380 |
| 47 | Psychiatry | 22 | 818 | 1373 | 1262 |
| 48 | Energy Conversion | 2 | 792 | 1321 | 593 |
| 49 | nucleic acids | 1 | 781 | 1829 | 683 |
| 50 | Biomedical Engineering | 12 | 776 | 2459 | 1639 |
| 51 | Biotechnology | 18 | 763 | 2295 | 2125 |
| 52 | environmental protection | 30 | 761 | 979 | 1201 |
| 53 | Environmental Management | 32 | 759 | 763 | 1186 |
| 54 | Metabolic diseases | 1 | 739 | 2214 | 839 |
| 54 | Homeostasis | 1 | 739 | 583 | 366 |
| 54 | Cell metabolism | 1 | 739 | 983 | 380 |
| 57 | Optics | 57 | 712 | 1053 | 1208 |
| 57 | Differential Equations | 14 | 712 | 448 | 206 |
| 59 | Geophysics | 27 | 700 | 1136 | 1193 |
| 60 | mathematical analysis | 62 | 695 | 509 | 599 |
| 61 | Environmental Engineering | 31 | 675 | 1027 | 1324 |
| 62 | Biodiversity conservation | 13 | 633 | 677 | 809 |
| 63 | Agricultural Chemistry | 17 | 626 | 815 | 773 |
| 64 | Bioengineering | 6 | 609 | 2681 | 1757 |
| 65 | Plant Ecology | 23 | 605 | 578 | 739 |
| 66 | pollutants | 25 | 604 | 451 | 678 |
| 66 | Environmental pollutants | 25 | 604 | 593 | 795 |
| 68 | Environmental Policy | 21 | 600 | 1098 | 1412 |
| 69 | Biosensors | 4 | 588 | 1071 | 651 |
| 70 | Atmospheric Physics | 20 | 583 | 532 | 596 |
| 71 | Economics | 36 | 575 | 1260 | 1318 |
| 72 | Atmospheric Chemistry | 16 | 572 | 370 | 453 |
| 73 | Land use | 14 | 570 | 386 | 325 |
| 74 | Bioelectronics | 2 | 545 | 1249 | 594 |
| 75 | Pharmacology | 30 | 541 | 1564 | 1913 |
| 76 | Mineral resources | 12 | 527 | 148 | 147 |
| 77 | Business | 4 | 517 | 1904 | 1083 |
| 78 | Climate change | 6 | 491 | 626 | 767 |
| 78 | Eutrophication | 6 | 491 | 595 | 764 |
| 80 | Public Health | 15 | 487 | 2083 | 1832 |
| 81 | Sustainable Development | 18 | 483 | 608 | 817 |
| 82 | Natural history | 6 | 446 | 2077 | 2263 |
| 83 | Solar Energy | 11 | 442 | 853 | 819 |
| 84 | Wireless Communication Systems | 17 | 433 | 1004 | 926 |
| 85 | Pharmaceutical Chemistry | 16 | 420 | 1534 | 1589 |
| 86 | environmental indicators | 18 | 398 | 301 | 579 |
| 87 | Asia | 36 | 397 | 503 | 749 |
| 88 | Engineering | 15 | 396 | 1964 | 1605 |
| 88 | Environmental Toxicology | 17 | 396 | 881 | 1197 |
| 88 | environmental exposure | 17 | 396 | 641 | 871 |
| 91 | energy conservation | 9 | 395 | 1163 | 1158 |
| 92 | natural products | 31 | 386 | 392 | 627 |
| 93 | Renewable Energy Sources | 6 | 382 | 1951 | 1832 |
| 94 | Schizophrenia | 6 | 380 | 615 | 480 |
| 95 | food technology | 10 | 378 | 1347 | 1246 |
| 96 | Spectrum analysis | 17 | 377 | 1909 | 1944 |
| 97 | Health Policy | 8 | 376 | 1150 | 802 |
| 98 | biological evolution | 4 | 359 | 1579 | 1135 |
| 99 | Economic History | 25 | 352 | 1071 | 1193 |
| 99 | Food | 11 | 352 | 1605 | 1632 |
| 101 | Information Science | 7 | 350 | 1694 | 1290 |
| 102 | Mental illness | 6 | 348 | 1113 | 966 |
| 103 | Biophysics | 16 | 330 | 2227 | 2502 |
| 104 | Optical Communications | 15 | 326 | 240 | 220 |
| 104 | Bioorganic chemistry | 16 | 326 | 1225 | 1449 |
| 106 | Mental Disorders | 8 | 324 | 1461 | 1310 |
| 107 | Organic Chemistry | 26 | 321 | 1166 | 1536 |
| 108 | sanitation | 9 | 317 | 779 | 1067 |
| 109 | Energy Policy | 4 | 316 | 2211 | 1739 |
| 110 | Composite Materials | 4 | 315 | 2126 | 1574 |
| 111 | solar power | 6 | 312 | 539 | 462 |
| 111 | solar cells | 6 | 312 | 592 | 497 |
| 113 | computer networks | 16 | 311 | 1036 | 1230 |
| 114 | biological factors | 23 | 308 | 537 | 891 |
| 115 | Ocean Engineering | 4 | 301 | 1368 | 870 |
| 116 | Solid State Physics | 12 | 294 | 2054 | 1833 |
| 116 | finance | 12 | 294 | 1194 | 1088 |
| 118 | Plants | 10 | 287 | 1057 | 1142 |
| 119 | Inflammation | 4 | 281 | 884 | 688 |
| 120 | soil microbiology | 7 | 280 | 889 | 1051 |
| 121 | Neural circuitry | 14 | 278 | 883 | 1174 |
| 122 | Evolution | 1 | 274 | 2297 | 1034 |
| 123 | Tourism | 8 | 267 | 978 | 1110 |
| 124 | Education | 19 | 263 | 1404 | 1535 |
| 125 | economic policy | 15 | 258 | 1026 | 916 |
| 126 | Mathematical Physics | 12 | 256 | 1546 | 1323 |
| 127 | Agriculture | 15 | 254 | 791 | 1059 |
| 128 | Soil biology | 7 | 253 | 581 | 686 |
| 129 | Immunology | 4 | 251 | 2116 | 1658 |
| 129 | Solid State Chemistry | 8 | 251 | 1655 | 1333 |
| 131 | Signal Processing | 19 | 243 | 1035 | 1464 |
| 132 | Environmental Geology | 9 | 242 | 906 | 944 |
| 133 | Electrochemistry | 15 | 234 | 1871 | 2005 |
| 134 | International Finance | 6 | 224 | 1218 | 988 |
| 135 | Genomics | 9 | 223 | 1549 | 1688 |
| 135 | Quality Control | 9 | 223 | 822 | 948 |
| 137 | actuators | 12 | 219 | 1103 | 1491 |
| 137 | transducers | 12 | 219 | 1103 | 1491 |
| 139 | Social Sciences | 25 | 217 | 1056 | 1520 |
| 140 | Plant physiology | 15 | 216 | 934 | 1461 |
| 141 | econometric models | 5 | 215 | 447 | 333 |
| 142 | Biomass Energy | 3 | 214 | 2235 | 1809 |
| 143 | Nonlinear functional analysis | 16 | 210 | 419 | 572 |
| 144 | Soil Science | 9 | 206 | 1044 | 1228 |
| 145 | Nutrition | 8 | 197 | 2270 | 2427 |
| 145 | Australia | 8 | 197 | 986 | 841 |
| 147 | Educational Technology | 10 | 195 | 809 | 987 |
| 148 | Nervous system | 7 | 192 | 1406 | 1482 |
| 149 | Internet of Things | 12 | 190 | 491 | 802 |
| 149 | United States | 14 | 190 | 2126 | 2547 |
| 151 | economic analysis | 5 | 187 | 139 | 102 |
| 152 | internet | 11 | 185 | 731 | 1034 |
| 153 | Chromatographic analysis | 16 | 184 | 718 | 972 |
| 154 | lasers | 26 | 181 | 647 | 1185 |
| 155 | Electrophoresis | 11 | 180 | 785 | 1008 |
| 156 | Hydrology | 12 | 179 | 1126 | 1466 |
| 157 | Functional Analysis | 12 | 176 | 711 | 762 |
| 158 | Cancer | 7 | 175 | 1585 | 1841 |
| 159 | Behavior | 5 | 174 | 2151 | 2263 |
| 160 | soil conservation | 5 | 173 | 561 | 513 |
| 160 | Capital market | 3 | 173 | 435 | 281 |
| 162 | Brain | 3 | 172 | 2105 | 1690 |
| 163 | Humanities | 21 | 170 | 411 | 662 |
| 163 | Alternative Medicine | 6 | 170 | 966 | 1010 |
| 163 | Nanostructures | 10 | 170 | 1056 | 1429 |
| 166 | Medical genetics | 4 | 168 | 1494 | 1554 |
| 167 | Systems Engineering | 13 | 167 | 998 | 1364 |
| 168 | Information Technology | 10 | 165 | 1282 | 1578 |
| 169 | Statistics | 17 | 164 | 1123 | 1290 |
| 169 | Chromatography | 11 | 164 | 761 | 953 |
| 169 | human behavior | 5 | 164 | 1755 | 2055 |
| 172 | sustainability | 3 | 160 | 857 | 735 |
| 173 | Geomorphology | 7 | 159 | 909 | 1111 |
| 174 | land degradation | 4 | 156 | 385 | 343 |
| 174 | Earth Sciences | 4 | 156 | 2599 | 2039 |
| 174 | degradation | 4 | 156 | 385 | 343 |
| 177 | Multimedia Systems | 8 | 155 | 1106 | 1083 |
| 178 | Manufacturing Processes | 3 | 153 | 2087 | 1524 |
| 178 | Molecular Spectroscopy | 5 | 153 | 1442 | 1246 |
| 180 | Multilingualism | 3 | 148 | 274 | 163 |
| 181 | Mobile Computing | 8 | 146 | 635 | 739 |
| 182 | Cell Biology | 3 | 145 | 2778 | 2526 |
| 183 | Artificial Intelligence | 16 | 144 | 1682 | 2569 |
| 184 | Numerical Analysis | 14 | 143 | 1168 | 1375 |
| 184 | Semiconductors | 13 | 143 | 1019 | 1266 |
| 186 | Ecological Engineering | 6 | 140 | 393 | 621 |
| 187 | Wildlife conservation | 3 | 139 | 975 | 959 |
| 188 | Sociology | 14 | 138 | 1317 | 1894 |
| 189 | Forest Ecology | 10 | 137 | 515 | 816 |
| 189 | forestry | 1 | 137 | 392 | 152 |
| 191 | Pediatrics | 4 | 134 | 1566 | 1500 |
| 192 | drugs | 10 | 129 | 1005 | 1363 |
| 192 | Biodiversity | 8 | 129 | 1267 | 1558 |
| 194 | Teaching | 6 | 126 | 1227 | 1149 |
| 194 | thinking | 6 | 126 | 147 | 235 |
| 194 | Creativity | 6 | 126 | 123 | 236 |
| 197 | city planning | 6 | 125 | 1099 | 1156 |
| 198 | Psychology | 14 | 124 | 2206 | 3000 |
| 198 | Green Chemistry | 1 | 124 | 2142 | 1662 |
| 198 | Sustainable Engineering | 1 | 124 | 2219 | 1434 |
| 198 | ecosystem | 2 | 124 | 1407 | 1194 |
| 202 | Human genetics | 2 | 120 | 1562 | 1780 |
| 202 | Urban Policy | 5 | 120 | 621 | 731 |
| 202 | Calculus of Variations | 9 | 120 | 280 | 314 |
| 202 | Computer Literacy | 3 | 120 | 203 | 172 |
| 206 | Genetics | 5 | 119 | 2303 | 2566 |
| 207 | Biogeography | 1 | 118 | 1340 | 980 |
| 207 | Astrophysics | 10 | 118 | 1757 | 2071 |
| 209 | Cell death | 2 | 115 | 1062 | 1060 |
| 210 | Ornithology | 10 | 113 | 483 | 599 |
| 210 | management | 7 | 113 | 2272 | 2760 |
| 210 | Birds | 10 | 113 | 584 | 687 |
| 213 | Intelligent Transportation Systems | 8 | 112 | 628 | 1021 |
| 214 | Chromosome mapping | 4 | 111 | 1320 | 1486 |
| 214 | gene mapping | 4 | 111 | 1426 | 1639 |
| 216 | Agricultural Ecology | 7 | 106 | 578 | 1042 |
| 217 | Clinical Chemistry | 6 | 104 | 1630 | 2005 |
| 218 | Adolescent Medicine | 2 | 103 | 610 | 646 |
| 219 | Economic Development | 5 | 101 | 1154 | 1380 |
| 220 | Archaeology | 10 | 100 | 694 | 908 |
| 220 | commerce | 8 | 100 | 911 | 1270 |
| 220 | cultural pluralism | 2 | 100 | 540 | 266 |
| 223 | Cognition | 3 | 99 | 1536 | 1386 |
| 224 | Neurotoxicology | 3 | 98 | 549 | 589 |
| 225 | Electronics | 7 | 97 | 2126 | 2237 |
| 226 | food handling | 1 | 96 | 1447 | 989 |
| 227 | Solitons | 5 | 95 | 935 | 1036 |
| 227 | Fractals | 5 | 95 | 939 | 1040 |
| 227 | Chaos | 5 | 95 | 935 | 1036 |
| 230 | Entomology | 5 | 94 | 1688 | 1489 |
| 231 | Energy Storage | 4 | 93 | 1093 | 1150 |
| 232 | Ceramics | 2 | 92 | 1636 | 1090 |
| 232 | Environmental Law | 2 | 92 | 1166 | 1314 |
| 232 | Conservation Biology | 5 | 92 | 796 | 1007 |
| 232 | Remote Sensing | 4 | 92 | 1277 | 988 |
| 232 | Glass | 2 | 92 | 1170 | 929 |
| 232 | pottery | 2 | 92 | 1128 | 909 |
| 238 | Geriatrics | 8 | 91 | 1526 | 1953 |
| 238 | Image Processing | 5 | 91 | 1669 | 1863 |
| 238 | complementary therapies | 4 | 91 | 1408 | 1469 |
| 241 | Phonetics | 3 | 89 | 321 | 306 |
| 242 | Production Engineering | 2 | 88 | 2135 | 1500 |
| 243 | Social Change | 2 | 87 | 1252 | 1332 |
| 244 | Ethnology | 14 | 86 | 554 | 948 |
| 245 | Molecular evolution | 3 | 85 | 1360 | 1529 |
| 245 | Sites | 1 | 85 | 837 | 627 |
| 247 | health services accessibility | 3 | 84 | 848 | 800 |
| 247 | Socioeconomic Factors | 3 | 84 | 738 | 777 |
| 247 | Investment analysis | 7 | 84 | 537 | 847 |
| 250 | Mechatronics | 2 | 82 | 1083 | 889 |
| 251 | Molecular Genetics | 2 | 81 | 1755 | 1775 |
| 251 | Phylogeny | 2 | 81 | 1001 | 1032 |
| 253 | Epidemiology | 4 | 80 | 2480 | 2610 |
| 253 | miniaturization | 8 | 80 | 1047 | 1774 |
| 253 | proteins | 4 | 80 | 1525 | 1618 |
| 256 | Geography | 5 | 79 | 1505 | 1736 |
| 256 | Egypt | 2 | 79 | 740 | 583 |
| 258 | Proteome | 3 | 78 | 967 | 1114 |
| 259 | dietary supplements | 6 | 77 | 504 | 973 |
| 259 | plant molecular biology | 4 | 77 | 1164 | 1634 |
| 261 | Microbiology | 8 | 75 | 3216 | 4431 |
| 261 | Horticulture | 5 | 75 | 542 | 654 |
| 263 | Geometry | 9 | 74 | 688 | 692 |
| 263 | Terahertz Technology | 3 | 74 | 151 | 178 |
| 263 | radioactive waste | 2 | 74 | 995 | 1323 |
| 263 | industrial waste | 2 | 74 | 1040 | 1325 |
| 263 | Hazardous waste | 2 | 74 | 1160 | 1392 |
| 268 | Demography | 1 | 72 | 1003 | 681 |
| 268 | Breeding | 1 | 72 | 1587 | 1131 |
| 270 | Planets | 4 | 71 | 1101 | 1476 |
| 271 | Crystal growth | 2 | 70 | 1191 | 1066 |
| 272 | Plant Biotechnology | 4 | 68 | 620 | 851 |
| 272 | Gastrointestinal diseases | 1 | 68 | 948 | 561 |
| 272 | Liver diseases | 1 | 68 | 1365 | 1243 |
| 275 | Forest Management | 5 | 67 | 713 | 1056 |
| 275 | Telecommunication | 8 | 67 | 1608 | 2213 |
| 275 | Statistical physics | 5 | 67 | 2362 | 2659 |
| 275 | Detectors | 7 | 67 | 978 | 1507 |
| 279 | Automation | 3 | 63 | 2056 | 2201 |
| 279 | Genetic engineering | 5 | 63 | 1429 | 1980 |
| 281 | Animal Behavior | 2 | 61 | 1872 | 1930 |
| 281 | Physical Chemistry | 3 | 61 | 1952 | 1984 |
| 281 | Food Microbiology | 2 | 61 | 1334 | 1533 |
| 281 | radiative transfer | 1 | 61 | 911 | 543 |
| 281 | Radiation | 1 | 61 | 2798 | 1815 |
| 281 | Psychophysiology | 2 | 61 | 2518 | 2488 |
| 287 | Gerontology | 4 | 60 | 1487 | 1540 |
| 287 | wind erosion | 1 | 60 | 215 | 180 |
| 287 | Metals | 2 | 60 | 2140 | 1870 |
| 290 | Pharmacy | 1 | 59 | 2476 | 1995 |
| 290 | Educational Psychology | 5 | 59 | 1046 | 1416 |
| 292 | Herbal medicine | 4 | 58 | 589 | 1120 |
| 293 | Nanobiotechnology | 2 | 57 | 517 | 780 |
| 293 | Developing countries | 3 | 57 | 2196 | 2232 |
| 295 | Microelectronics | 3 | 56 | 1526 | 1735 |
| 295 | Luminescence | 2 | 56 | 1620 | 1373 |
| 297 | Insects | 4 | 55 | 1198 | 1305 |
| 297 | energy resources | 1 | 55 | 1901 | 1964 |
| 299 | Immunopharmacology | 4 | 54 | 859 | 1213 |
| 300 | multimedia | 3 | 53 | 483 | 683 |
| 300 | Interactive multimedia | 3 | 53 | 547 | 754 |
| 302 | Neurochemistry | 3 | 52 | 1882 | 2229 |
| 302 | Plant genetic engineering | 2 | 52 | 967 | 1119 |
| 304 | coal | 3 | 51 | 1528 | 2048 |
| 305 | drug addiction | 2 | 50 | 1080 | 1188 |
| 305 | alcoholism | 2 | 50 | 1403 | 1435 |
| 307 | Cognitive Radio Networks | 2 | 49 | 265 | 271 |
| 307 | Cross-Cultural Studies | 2 | 49 | 924 | 890 |
| 307 | East Asia | 9 | 49 | 247 | 559 |
| 310 | Geriatric Psychiatry | 1 | 48 | 1358 | 1084 |
| 310 | Mental Health | 1 | 48 | 2216 | 1627 |
| 310 | Photochemistry | 1 | 48 | 2327 | 1923 |
| 310 | Mental Health Services | 1 | 48 | 1571 | 1241 |
| 310 | Photobiology | 1 | 48 | 2035 | 1667 |
| 315 | Restoration Ecology | 2 | 47 | 504 | 540 |
| 315 | Analytical Biochemistry | 3 | 47 | 1603 | 1820 |
| 317 | Endocrinology | 2 | 46 | 2391 | 2571 |
| 317 | Intercultural Communication | 1 | 46 | 835 | 581 |
| 317 | Ethology | 1 | 46 | 1820 | 1781 |
| 317 | Light | 1 | 46 | 1247 | 1186 |
| 321 | Nanochemistry | 3 | 45 | 1257 | 1544 |
| 321 | Plant Taxonomy | 1 | 45 | 625 | 471 |
| 321 | Polymers | 4 | 45 | 3243 | 3653 |
| 321 | Environmental Geochemistry | 5 | 45 | 334 | 806 |
| 321 | curriculum evaluation | 7 | 45 | 188 | 487 |
| 321 | Minerals | 5 | 45 | 555 | 1055 |
| 327 | Electrical Engineering | 4 | 44 | 2583 | 2505 |
| 327 | Food Security | 1 | 44 | 314 | 303 |
| 327 | technical education | 1 | 44 | 1147 | 817 |
| 330 | Psycholinguistics | 6 | 43 | 645 | 1122 |
| 330 | Electromagnetic waves | 2 | 43 | 399 | 372 |
| 330 | Obesity | 3 | 43 | 1527 | 2048 |
| 333 | Structural design | 1 | 42 | 1309 | 1013 |
| 333 | Industrial Safety | 3 | 42 | 1159 | 1393 |
| 335 | Natural resources | 2 | 41 | 878 | 1025 |
| 335 | Cognitive Science | 3 | 41 | 1530 | 2013 |
| 335 | Molecular cloning | 3 | 41 | 1314 | 1627 |
| 335 | Genetic recombination | 3 | 41 | 1296 | 1613 |
| 335 | Recombinant DNA | 3 | 41 | 1360 | 1686 |
| 340 | Neuropsychology | 3 | 40 | 1945 | 2348 |
| 340 | Nuclear Physics | 7 | 40 | 2613 | 3290 |
| 340 | probabilities | 4 | 40 | 1163 | 1140 |
| 340 | polymerization | 3 | 40 | 3082 | 3334 |
| 340 | enzymes | 3 | 40 | 1349 | 1783 |
| 345 | air quality management | 3 | 38 | 489 | 853 |
| 346 | Surface-Active Agents | 1 | 37 | 1696 | 1770 |
| 346 | infrared radiation | 2 | 37 | 740 | 714 |
| 346 | soil pollution | 2 | 37 | 724 | 852 |
| 346 | Surface properties | 1 | 37 | 1741 | 1818 |
| 346 | Communication | 3 | 37 | 2022 | 2327 |
| 351 | Plant diseases | 3 | 36 | 1716 | 2009 |
| 351 | Philippines | 3 | 36 | 94 | 165 |
| 353 | Immunotherapy | 3 | 35 | 1436 | 2007 |
| 353 | cytokines | 3 | 35 | 1065 | 1633 |
| 353 | Mitochondrial DNA | 4 | 35 | 130 | 160 |
| 353 | extraterrestrial environment | 4 | 35 | 465 | 724 |
| 353 | astronomical phenomena | 4 | 35 | 413 | 674 |
| 358 | Cytogenetics | 2 | 34 | 1298 | 1601 |
| 358 | Quantum electronics | 3 | 34 | 1533 | 1693 |
| 358 | Eastern Europe | 5 | 34 | 603 | 863 |
| 358 | optical devices | 4 | 34 | 383 | 659 |
| 362 | Computer Science | 6 | 33 | 1474 | 2280 |
| 362 | Computer Graphics | 2 | 33 | 1892 | 1971 |
| 362 | Human-Computer Interaction | 3 | 33 | 1511 | 2035 |
| 362 | global environmental change | 2 | 33 | 940 | 1327 |
| 362 | marketing | 1 | 33 | 2646 | 2408 |
| 362 | Plant cells | 3 | 33 | 899 | 1608 |
| 368 | Political Science | 3 | 32 | 1610 | 1525 |
| 368 | Happiness | 1 | 32 | 868 | 864 |
| 368 | Adolescent | 4 | 32 | 1650 | 2240 |
| 368 | Quality of life | 1 | 32 | 2080 | 2034 |
| 368 | Therapeutics | 1 | 32 | 1862 | 1831 |
| 368 | Molecular structure | 3 | 32 | 2356 | 2663 |
| 368 | rehabilitation | 1 | 32 | 2718 | 2465 |
| 375 | Physiology | 1 | 31 | 4184 | 4015 |
| 375 | Urban Planning | 2 | 31 | 497 | 690 |
| 375 | Music | 3 | 31 | 886 | 935 |
| 375 | community development | 2 | 31 | 734 | 853 |
| 375 | Transportation | 1 | 31 | 2226 | 1986 |
| 375 | voice | 3 | 31 | 480 | 624 |
| 375 | Housing | 2 | 31 | 611 | 807 |
| 375 | Population | 2 | 31 | 1015 | 1270 |
| 383 | Optoelectronics | 6 | 30 | 335 | 571 |
| 383 | Health | 5 | 30 | 1482 | 2496 |
| 383 | fuel cells | 1 | 30 | 1636 | 1684 |
| 383 | Radiation effects | 4 | 30 | 515 | 1168 |
| 387 | Nonparametric Statistics | 3 | 29 | 174 | 221 |
| 387 | Biological Systems | 1 | 29 | 953 | 903 |
| 387 | Drug design | 1 | 29 | 2138 | 2042 |
| 387 | adolescence | 3 | 29 | 887 | 1308 |
| 387 | health planning | 3 | 29 | 2139 | 2634 |
| 392 | Pharmaceutical Technology | 1 | 28 | 1940 | 1992 |
| 392 | catalytic activity | 1 | 28 | 968 | 1035 |
| 392 | Recycling | 2 | 28 | 771 | 1402 |
| 395 | Astronomy | 3 | 27 | 2210 | 2631 |
| 395 | Erosion | 1 | 27 | 241 | 283 |
| 395 | aromatic plants | 1 | 27 | 490 | 308 |
| 395 | Mountains | 3 | 27 | 384 | 568 |
| 399 | Sustainable agriculture | 2 | 26 | 877 | 1202 |
| 400 | Nuclear Energy | 1 | 25 | 1459 | 1155 |
| 400 | Nanomedicine | 1 | 25 | 491 | 613 |
| 400 | Paleoecology | 1 | 25 | 1400 | 1435 |
| 400 | Social Psychology | 3 | 25 | 2079 | 2796 |
| 400 | Physical organic chemistry | 2 | 25 | 1599 | 1832 |
| 400 | Fiber Optics | 4 | 25 | 787 | 1191 |
| 400 | Globalization | 2 | 25 | 740 | 957 |
| 400 | Condensed Matter | 3 | 25 | 2489 | 2938 |
| 400 | Paleobotany | 1 | 25 | 316 | 351 |
| 400 | Vegetation dynamics | 1 | 25 | 297 | 340 |
| 410 | Econometrics | 5 | 24 | 1072 | 1557 |
| 410 | Hypertension | 1 | 24 | 1517 | 1697 |
| 410 | Hemodynamics | 1 | 24 | 762 | 906 |
| 410 | Combinatorial chemistry | 2 | 24 | 808 | 1274 |
| 410 | Multivariate Analysis | 1 | 24 | 871 | 788 |
| 410 | Smoking | 1 | 24 | 1029 | 1151 |
| 410 | Substance Abuse | 1 | 24 | 1798 | 1703 |
| 410 | Family Therapy | 2 | 24 | 867 | 1021 |
| 410 | System analysis | 7 | 24 | 1580 | 2943 |
| 410 | sadness | 1 | 24 | 510 | 458 |
| 410 | child mental health | 2 | 24 | 573 | 780 |
| 410 | death | 1 | 24 | 648 | 542 |
| 410 | Suicide | 1 | 24 | 903 | 893 |
| 410 | antisocial personality disorder | 1 | 24 | 510 | 458 |
| 424 | Meteorology | 2 | 23 | 2104 | 2710 |
| 424 | Global Health | 1 | 23 | 1665 | 1529 |
| 424 | Dementia | 1 | 23 | 1617 | 1191 |
| 424 | Chemical industry | 4 | 23 | 1112 | 1722 |
| 424 | Alzheimer's disease | 1 | 23 | 1644 | 1250 |
| 424 | Youth | 2 | 23 | 799 | 1108 |
| 424 | international cooperation | 2 | 23 | 725 | 1001 |
| 431 | Plant Genetics | 1 | 22 | 1018 | 1162 |
| 431 | Agronomy | 1 | 22 | 730 | 915 |
| 431 | ethnicity | 2 | 22 | 871 | 885 |
| 431 | Ethnic relations | 2 | 22 | 755 | 788 |
| 431 | Social policy | 3 | 22 | 1020 | 1454 |
| 431 | women | 2 | 22 | 1097 | 1097 |
| 437 | Neurophysiology | 2 | 21 | 2581 | 3188 |
| 437 | Entropy | 4 | 21 | 1047 | 1682 |
| 439 | Language Disorders | 2 | 20 | 912 | 1130 |
| 439 | Visual Communication | 1 | 20 | 836 | 783 |
| 439 | Sedimentology | 1 | 20 | 970 | 1056 |
| 439 | Image enhancement | 1 | 20 | 675 | 713 |
| 439 | Writing | 2 | 20 | 372 | 573 |
| 439 | Reading | 2 | 20 | 686 | 914 |
| 445 | Public Policy | 1 | 19 | 2447 | 2607 |
| 445 | Signal Transduction | 1 | 19 | 1712 | 1980 |
| 445 | Systems Biology | 2 | 19 | 1533 | 2207 |
| 445 | Wireless Communication | 1 | 19 | 832 | 775 |
| 445 | Evidence-Based Medicine | 2 | 19 | 876 | 1276 |
| 445 | Immunotoxicology | 1 | 19 | 579 | 612 |
| 445 | Technology | 7 | 19 | 2313 | 4193 |
| 445 | Computational Complexity | 4 | 19 | 907 | 1507 |
| 445 | planning | 1 | 19 | 1324 | 1364 |
| 445 | Economic planning | 1 | 19 | 936 | 1071 |
| 455 | Cybernetics | 5 | 18 | 1191 | 2259 |
| 455 | Physical Geography | 2 | 18 | 627 | 891 |
| 455 | Human Geography | 2 | 18 | 1264 | 1565 |
| 455 | Plant hormones | 1 | 18 | 576 | 764 |
| 455 | Biometrics | 1 | 18 | 1353 | 1287 |
| 455 | Library Science | 1 | 18 | 1585 | 1250 |
| 455 | free radicals | 1 | 18 | 1639 | 1979 |
| 455 | plant communities | 4 | 18 | 860 | 1723 |
| 463 | Oncology | 2 | 17 | 1938 | 2852 |
| 463 | Cytology | 2 | 17 | 3239 | 4154 |
| 463 | Diabetes mellitus | 1 | 17 | 2118 | 2402 |
| 463 | Water | 3 | 17 | 2150 | 3371 |
| 463 | Risk assessment | 3 | 17 | 619 | 1219 |
| 463 | Primary health care | 1 | 17 | 2202 | 2298 |
| 463 | Child welfare | 4 | 17 | 920 | 1664 |
| 463 | Corporate governance | 2 | 17 | 786 | 1269 |
| 463 | Securities | 2 | 17 | 458 | 782 |
| 463 | Communication in medicine | 2 | 17 | 630 | 984 |
| 463 | health services | 2 | 17 | 1164 | 1621 |
| 463 | Diabetes | 1 | 17 | 2143 | 2410 |
| 475 | Telecommunication Systems | 3 | 16 | 1617 | 2170 |
| 475 | Cartography | 1 | 16 | 827 | 694 |
| 475 | Geographic information systems | 3 | 16 | 1130 | 1727 |
| 475 | Water pollution | 2 | 16 | 2663 | 3531 |
| 475 | Geodesy | 1 | 16 | 1266 | 1335 |
| 475 | Child Development | 3 | 16 | 1592 | 2455 |
| 475 | indoor air pollution | 2 | 16 | 470 | 858 |
| 475 | Africa | 1 | 16 | 2339 | 1976 |
| 475 | Ventilation | 2 | 16 | 651 | 997 |
| 475 | Japan | 1 | 16 | 2552 | 2474 |
| 475 | Sick building syndrome | 2 | 16 | 470 | 858 |
| 475 | Aging | 3 | 16 | 2144 | 3062 |
| 487 | Nanophotonics | 2 | 15 | 412 | 700 |
| 487 | Developmental Biology | 2 | 15 | 1869 | 2654 |
| 487 | Plant tissue culture | 2 | 15 | 845 | 1309 |
| 487 | Korea | 1 | 15 | 683 | 596 |
| 487 | bioluminescence | 1 | 15 | 714 | 702 |
| 487 | drug development | 1 | 15 | 1284 | 1640 |
| 487 | drug therapy | 1 | 15 | 2018 | 2273 |
| 487 | Plant cell culture | 2 | 15 | 758 | 1292 |
| 487 | population geography | 1 | 15 | 667 | 771 |
| 487 | sexual behavior | 1 | 15 | 1069 | 1221 |
| 497 | Climatology | 2 | 14 | 1829 | 2550 |
| 497 | behavioral medicine | 1 | 14 | 1826 | 2258 |
| 497 | Economic Thought | 1 | 14 | 508 | 658 |
| 497 | economic conditions | 1 | 14 | 809 | 855 |
| 497 | Emotions | 1 | 14 | 897 | 1109 |
| 502 | Landscape Ecology | 1 | 13 | 702 | 985 |
| 502 | Computational Biology | 1 | 13 | 3060 | 3375 |
| 502 | Microbial Genetics | 1 | 13 | 613 | 785 |
| 502 | Microbial Biotechnology | 1 | 13 | 1651 | 2000 |
| 502 | Organometallic chemistry | 1 | 13 | 2764 | 2869 |
| 502 | ecological risk assessment | 2 | 13 | 322 | 718 |
| 502 | Mass Spectrometry | 2 | 13 | 1182 | 1625 |
| 502 | Technological Innovations | 1 | 13 | 1753 | 2002 |
| 502 | Molecular ecology | 1 | 13 | 1347 | 1828 |
| 502 | Social work | 3 | 13 | 1291 | 2002 |
| 502 | Health Risk Assessment | 2 | 13 | 590 | 1057 |
| 502 | Sun | 2 | 13 | 374 | 535 |
| 502 | Microscopy | 1 | 13 | 1990 | 2003 |
| 502 | Vegetation | 1 | 13 | 229 | 238 |
| 502 | food industry | 2 | 13 | 1001 | 1504 |
| 502 | Solar System | 2 | 13 | 802 | 1091 |
| 518 | Linguistics | 2 | 12 | 1519 | 1757 |
| 518 | Metabolism | 1 | 12 | 2463 | 3001 |
| 518 | Nanoelectronics | 1 | 12 | 1177 | 1217 |
| 518 | Oral Medicine | 1 | 12 | 1137 | 1231 |
| 518 | Marine Meteorology | 1 | 12 | 447 | 559 |
| 518 | Geochemistry | 1 | 12 | 2340 | 2700 |
| 518 | Control Theory | 3 | 12 | 1688 | 2309 |
| 518 | Feminist Economics | 1 | 12 | 181 | 322 |
| 518 | Feminism | 1 | 12 | 1011 | 1004 |
| 518 | cooperation | 2 | 12 | 187 | 296 |
| 518 | Industrial Policy | 2 | 12 | 609 | 964 |
| 518 | Cosmochemistry | 1 | 12 | 1217 | 1553 |
| 518 | older people | 3 | 12 | 1441 | 1987 |
| 518 | Metallography | 1 | 12 | 1242 | 1436 |
| 518 | radar | 2 | 12 | 217 | 384 |
| 518 | Sonar | 2 | 12 | 183 | 337 |
| 518 | Semiconductor industry | 1 | 12 | 929 | 1029 |
| 518 | Navigation | 2 | 12 | 351 | 482 |
| 518 | Bones | 1 | 12 | 952 | 1247 |
| 518 | Liquid chromatography | 3 | 12 | 506 | 880 |
| 538 | Marine Biology | 1 | 11 | 2960 | 3444 |
| 538 | Molecular Pharmacology | 1 | 11 | 1100 | 1478 |
| 538 | Paleoclimatology | 2 | 11 | 1157 | 1724 |
| 538 | Computational Linguistics | 6 | 11 | 305 | 1028 |
| 538 | Altitude Sickness | 1 | 11 | 257 | 342 |
| 538 | Behavioral Finance | 1 | 11 | 143 | 248 |
| 538 | Marine Pollution | 1 | 11 | 1735 | 2224 |
| 538 | Ferroelectricity | 1 | 11 | 1443 | 1372 |
| 538 | Cardiovascular diseases | 2 | 11 | 1449 | 1965 |
| 538 | Altitude | 1 | 11 | 257 | 342 |
| 538 | forest policy | 1 | 11 | 612 | 830 |
| 538 | atmosphere | 1 | 11 | 1161 | 1459 |
| 538 | Fuzzy systems | 5 | 11 | 1334 | 2550 |
| 551 | Geology | 2 | 10 | 2733 | 3483 |
| 551 | Educational Sociology | 1 | 10 | 706 | 831 |
| 551 | Nuclear Chemistry | 1 | 10 | 1550 | 1606 |
| 551 | Radiochemistry | 1 | 10 | 1475 | 1501 |
| 551 | Geobiology | 2 | 10 | 502 | 870 |
| 551 | Chemical analysis | 2 | 10 | 1272 | 1928 |
| 557 | Simulation Methods | 2 | 9 | 1303 | 2026 |
| 557 | Magnetic Resonance Spectroscopy | 1 | 9 | 1444 | 1606 |
| 557 | Interfaces | 1 | 9 | 651 | 835 |
| 557 | nuclear magnetic resonance spectroscopy | 1 | 9 | 1018 | 1157 |
| 557 | NMR | 1 | 9 | 846 | 981 |
| 557 | magnetic resonance | 1 | 9 | 859 | 990 |
| 557 | language | 2 | 9 | 965 | 1425 |
| 557 | Vaccines | 1 | 9 | 2035 | 2504 |
| 565 | Computer Engineering | 2 | 8 | 1253 | 1962 |
| 565 | Geriatric Nursing | 1 | 8 | 942 | 1104 |
| 565 | Health Education | 2 | 8 | 1899 | 2777 |
| 565 | economic indicators | 2 | 8 | 129 | 313 |
| 565 | Synaptic Transmission | 1 | 8 | 683 | 934 |
| 565 | food contamination | 1 | 8 | 1657 | 2049 |
| 565 | Metacognition | 1 | 8 | 150 | 259 |
| 565 | Mycotoxins | 1 | 8 | 274 | 432 |
| 565 | Molecules | 2 | 8 | 1690 | 2206 |
| 565 | Health promotion | 2 | 8 | 1224 | 1903 |
| 565 | Earthquakes | 1 | 8 | 583 | 725 |
| 565 | Diet | 1 | 8 | 2361 | 3033 |
| 565 | Learning | 1 | 8 | 1723 | 2170 |
| 565 | Microwaves | 2 | 8 | 1395 | 1837 |
| 565 | deviant behavior | 1 | 8 | 535 | 659 |
| 580 | Development Economics | 1 | 7 | 762 | 1025 |
| 580 | Neurolinguistics | 1 | 7 | 672 | 941 |
| 580 | hazard mitigation | 1 | 7 | 1573 | 2120 |
| 580 | natural disasters | 1 | 7 | 1903 | 2484 |
| 580 | environmental issues | 2 | 7 | 533 | 1203 |
| 585 | Zoology | 1 | 6 | 3017 | 3380 |
| 585 | Clinical Psychology | 1 | 6 | 1555 | 2009 |
| 585 | Microbial Ecology | 1 | 6 | 2574 | 3347 |
| 585 | Regional Planning | 2 | 6 | 1638 | 2581 |
| 585 | Comparative Education | 1 | 6 | 470 | 691 |
| 585 | Psychometrics | 2 | 6 | 504 | 859 |
| 585 | Child | 2 | 6 | 2208 | 3205 |
| 585 | Geochemical Modeling | 1 | 6 | 366 | 540 |
| 585 | Biogeochemistry | 1 | 6 | 1446 | 2004 |
| 585 | Adolescent Psychology | 1 | 6 | 1237 | 1621 |
| 585 | Soil fertility | 1 | 6 | 544 | 846 |
| 585 | Sports | 2 | 6 | 2237 | 2877 |
| 585 | animals | 1 | 6 | 1740 | 2123 |
| 585 | land tenure | 1 | 6 | 150 | 292 |
| 585 | geological modeling | 1 | 6 | 939 | 1282 |
| 585 | medical education | 1 | 6 | 2252 | 2725 |
| 585 | Land reform | 1 | 6 | 152 | 294 |
| 585 | games | 1 | 6 | 51 | 30 |
| 585 | rare diseases | 1 | 6 | 823 | 1113 |
| 585 | biological agents | 2 | 6 | 899 | 1224 |
| 585 | Fibers | 1 | 6 | 210 | 263 |
| 585 | biological monitoring | 1 | 6 | 863 | 1310 |
| 585 | synthesis | 1 | 6 | 1643 | 1950 |
| 585 | India | 3 | 6 | 1488 | 2647 |
| 585 | Soil ecology | 1 | 6 | 1190 | 1677 |
| 610 | Paleontology | 1 | 5 | 1639 | 1990 |
| 610 | Telecommunications | 1 | 5 | 1402 | 1778 |
| 610 | Adult Education | 1 | 5 | 1056 | 1354 |
| 610 | Plant Morphology | 1 | 5 | 988 | 1368 |
| 610 | Municipal Engineering | 1 | 5 | 685 | 1142 |
| 610 | Waste management | 1 | 5 | 2042 | 2630 |
| 610 | Metabolic syndrome | 1 | 5 | 559 | 919 |
| 610 | Soft Condensed Matter | 1 | 5 | 1478 | 1889 |
| 610 | Social Media | 2 | 5 | 131 | 322 |
| 610 | Ubiquitous computing | 1 | 5 | 610 | 755 |
| 610 | visualization | 1 | 5 | 2120 | 1924 |
| 610 | Elderly | 2 | 5 | 1325 | 1619 |
| 610 | Paleopathology | 2 | 5 | 390 | 668 |
| 610 | Soviet Union | 3 | 5 | 689 | 1405 |
| 610 | biopolymers | 1 | 5 | 1613 | 2058 |
| 625 | Epigenetics | 1 | 4 | 430 | 738 |
| 625 | Developmental Psychology | 1 | 4 | 1510 | 2044 |
| 625 | Palliative Care | 1 | 4 | 1188 | 1596 |
| 625 | Dynamics | 2 | 4 | 1888 | 2749 |
| 625 | Sports Medicine | 1 | 4 | 3033 | 3339 |
| 625 | Career development | 1 | 4 | 815 | 1219 |
| 625 | hospice care | 1 | 4 | 838 | 1265 |
| 625 | soil management | 1 | 4 | 882 | 1317 |
| 625 | Green Technology | 1 | 4 | 869 | 1483 |
| 625 | Mass Media | 1 | 4 | 1349 | 1477 |
| 625 | Epigenomics | 1 | 4 | 421 | 724 |
| 625 | Fixed Point Theory | 1 | 4 | 585 | 689 |
| 625 | Crystallography | 5 | 4 | 1307 | 2259 |
| 625 | civilization | 4 | 4 | 903 | 1304 |
| 625 | Optoelectronic devices | 2 | 4 | 1216 | 1884 |
| 625 | personality | 1 | 4 | 2048 | 2687 |
| 625 | Social behavior | 1 | 4 | 1709 | 2266 |
| 625 | Industry | 1 | 4 | 433 | 872 |
| 625 | tillage | 1 | 4 | 706 | 1113 |
| 625 | Exercise | 1 | 4 | 2189 | 2583 |
| 645 | Law | 1 | 3 | 1835 | 1912 |
| 645 | Criminology | 1 | 3 | 1325 | 1708 |
| 645 | Language Acquisition | 1 | 3 | 603 | 884 |
| 645 | Clinical Immunology | 1 | 3 | 1188 | 1629 |
| 645 | Financial Engineering | 1 | 3 | 365 | 764 |
| 645 | Immunopathology | 1 | 3 | 1329 | 1797 |
| 645 | Sleep Disorders | 1 | 3 | 1789 | 2232 |
| 645 | Virology | 1 | 3 | 2823 | 3696 |
| 645 | Computational Intelligence | 2 | 3 | 884 | 1742 |
| 645 | Bilingualism | 1 | 3 | 307 | 572 |
| 645 | Second Language Acquisition | 1 | 3 | 372 | 706 |
| 645 | Geodynamics | 1 | 3 | 1130 | 1536 |
| 645 | cross-cultural comparison | 1 | 3 | 931 | 1421 |
| 645 | Social problems | 1 | 3 | 978 | 1446 |
| 645 | Quantum theory | 1 | 3 | 1398 | 1765 |
| 645 | Sleep | 1 | 3 | 1844 | 2287 |
| 661 | Mechanical Engineering | 1 | 2 | 3033 | 3621 |
| 661 | Public Relations | 1 | 2 | 807 | 1308 |
| 661 | Neurogenetics | 1 | 2 | 523 | 802 |
| 661 | Macroeconomics | 2 | 2 | 493 | 913 |
| 661 | Computer Architecture | 1 | 2 | 909 | 1248 |
| 661 | Cryptography | 2 | 2 | 850 | 1418 |
| 661 | Medical Physics | 1 | 2 | 1843 | 2425 |
| 661 | Measurement | 1 | 2 | 2028 | 2763 |
| 661 | Microprocessors | 1 | 2 | 1025 | 1496 |
| 661 | Aerosols | 1 | 2 | 812 | 1164 |
| 661 | Gene expression regulation | 1 | 2 | 1323 | 1888 |
| 661 | Genetic regulation | 1 | 2 | 1397 | 1938 |
| 661 | air quality | 1 | 2 | 537 | 1082 |
| 661 | Knowledge | 1 | 2 | 713 | 901 |
| 661 | international trade | 1 | 2 | 1283 | 1816 |
| 661 | protein | 1 | 2 | 1567 | 2176 |
| 661 | Arthropods | 1 | 2 | 497 | 909 |
| 661 | Urban Areas | 1 | 2 | 466 | 825 |
| 661 | Statistical models | 1 | 2 | 201 | 360 |
| 680 | Philosophy | 1 | 1 | 2083 | 2214 |
| 680 | Medical Oncology | 1 | 1 | 1769 | 2484 |
| 680 | Sociolinguistics | 1 | 1 | 776 | 1140 |
| 680 | Industrial Microbiology | 1 | 1 | 2562 | 3441 |
| 680 | Digital electronics | 1 | 1 | 601 | 906 |
| 680 | Political Theology | 1 | 1 | 120 | 172 |
| 680 | Organizational learning | 1 | 1 | 990 | 1842 |
| 680 | Carcinogenesis | 1 | 1 | 1247 | 1810 |
| 680 | Energy Consumption | 1 | 1 | 705 | 1240 |
| 680 | Integrated Circuits | 1 | 1 | 1238 | 1640 |
| 680 | Diagnostic Imaging | 1 | 1 | 2273 | 3077 |
| 680 | Fracture mechanics | 1 | 1 | 1787 | 2387 |
| 680 | Fractional Calculus | 1 | 1 | 355 | 664 |
| 680 | Knowledge management | 2 | 1 | 606 | 1863 |
| 680 | Bioinformatics | 1 | 1 | 2527 | 3423 |
| 680 | Latin America | 1 | 1 | 1649 | 2061 |
| 680 | Language planning | 1 | 1 | 341 | 519 |
| 680 | Communist countries | 1 | 1 | 428 | 722 |
| 680 | blogs | 1 | 1 | 4 | 31 |
| 680 | carcinogens | 1 | 1 | 1315 | 1934 |
| 680 | mutagens | 1 | 1 | 969 | 1418 |
| 680 | urban forestry | 1 | 1 | 553 | 983 |
| 680 | Autism | 1 | 1 | 985 | 1527 |
| 680 | autism spectrum disorder | 1 | 1 | 139 | 372 |
| 704 | Industrial Engineering | 1 | 0 | 2424 | 3377 |
| 704 | Nursing | 1 | 0 | 2627 | 3552 |
| 704 | Applied Mathematics | 1 | 0 | 590 | 945 |
| 704 | Hematology | 1 | 0 | 1966 | 2602 |
| 704 | Information Systems | 1 | 0 | 2140 | 3167 |
| 704 | Environmental Ethics | 1 | 0 | 353 | 628 |
| 704 | Rural Development | 1 | 0 | 898 | 1472 |
| 704 | Seismology | 1 | 0 | 708 | 1089 |
| 704 | Comparative Literature | 1 | 0 | 348 | 374 |
| 704 | International Law | 1 | 0 | 662 | 865 |
| 704 | Operations Research | 1 | 0 | 2803 | 3650 |
| 704 | health behavior | 1 | 0 | 1279 | 2026 |
| 704 | Religion | 1 | 0 | 1427 | 1793 |
| 704 | Volcanism | 1 | 0 | 17 | 39 |
| 704 | Translation | 1 | 0 | 293 | 423 |
| 704 | preventive medicine | 1 | 0 | 1533 | 2360 |
| 704 | Ecosystem management | 1 | 0 | 1083 | 1727 |
| 704 | Sensor Networks | 1 | 0 | 528 | 942 |
| 704 | Crisis management | 1 | 0 | 336 | 728 |
| 704 | Socialism | 1 | 0 | 364 | 586 |
| 704 | Intelligent Control Systems | 1 | 0 | 1935 | 2680 |
| 704 | Volcanoes | 1 | 0 | 449 | 722 |
| 704 | plant viruses | 1 | 0 | 324 | 645 |
| 704 | Capitalism | 1 | 0 | 383 | 732 |
| 704 | High performance computing | 1 | 0 | 202 | 458 |
| 704 | Navier-Stokes equations | 1 | 0 | 314 | 489 |
| 704 | Stress | 1 | 0 | 558 | 1093 |
| 704 | data protection | 1 | 0 | 1109 | 1728 |
| 704 | Human biology | 1 | 0 | 1044 | 1638 |
| 704 | pigments | 1 | 0 | 1360 | 1946 |