| 1 | Energy Policy | 119 | 7.4K | 166 | 121 |
| 2 | energy resources | 82 | 5.7K | 54 | 66 |
| 3 | Human genetics | 20 | 5.6K | 680 | 508 |
| 4 | finance | 131 | 3.9K | 125 | 156 |
| 5 | Economics | 138 | 3.9K | 501 | 420 |
| 6 | International Finance | 116 | 3.7K | 51 | 52 |
| 7 | Physics | 142 | 3.5K | 1444 | 1833 |
| 8 | Science | 125 | 3.4K | 1337 | 1776 |
| 9 | Social Change | 31 | 3.3K | 101 | 33 |
| 10 | Telecommunication | 78 | 3.1K | 356 | 344 |
| 11 | computer networks | 95 | 3.0K | 213 | 185 |
| 12 | Medicine | 165 | 2.8K | 1183 | 1618 |
| 13 | Renewable Energy Sources | 39 | 2.8K | 525 | 512 |
| 14 | Biology | 61 | 2.5K | 1779 | 1939 |
| 15 | Ecology | 63 | 2.5K | 1257 | 1305 |
| 16 | Internet of Things | 50 | 2.5K | 133 | 103 |
| 17 | internet | 52 | 2.4K | 177 | 138 |
| 18 | Mineral resources | 79 | 2.3K | 5 | 16 |
| 19 | Tourism | 25 | 2.3K | 382 | 231 |
| 20 | Economic History | 81 | 2.2K | 401 | 321 |
| 21 | Research | 126 | 2.1K | 1188 | 1536 |
| 22 | Engineering | 98 | 1.9K | 472 | 491 |
| 23 | management | 45 | 1.9K | 765 | 747 |
| 24 | Business | 37 | 1.9K | 483 | 470 |
| 25 | Wireless Communication Systems | 84 | 1.9K | 296 | 357 |
| 26 | economic policy | 60 | 1.8K | 335 | 209 |
| 27 | Sustainable Development | 62 | 1.7K | 128 | 266 |
| 28 | United States | 31 | 1.7K | 1298 | 795 |
| 29 | Investment analysis | 41 | 1.7K | 51 | 38 |
| 30 | Environmental Health | 51 | 1.6K | 1112 | 1209 |
| 31 | Natural history | 2 | 1.4K | 3006 | 1539 |
| 32 | Mathematics | 148 | 1.4K | 949 | 1083 |
| 33 | Pollution | 41 | 1.4K | 1415 | 1559 |
| 34 | Environmental monitoring | 42 | 1.4K | 859 | 991 |
| 35 | Australia | 32 | 1.3K | 318 | 163 |
| 36 | Environment | 26 | 1.3K | 1488 | 1590 |
| 37 | economic analysis | 26 | 1.3K | 16 | 6 |
| 38 | Chemistry | 45 | 1.3K | 2580 | 2619 |
| 39 | Genetics | 15 | 1.3K | 1379 | 1013 |
| 40 | Tribology | 57 | 1.3K | 130 | 153 |
| 41 | environmental pollution | 36 | 1.3K | 1177 | 1250 |
| 42 | Public Health | 74 | 1.2K | 806 | 1134 |
| 43 | Chemical Engineering | 38 | 1.2K | 1385 | 1456 |
| 44 | Artificial Intelligence | 67 | 1.2K | 649 | 936 |
| 44 | Molecular Biology | 43 | 1.2K | 2005 | 2154 |
| 46 | Communication | 13 | 1.2K | 892 | 461 |
| 47 | Environmental Management | 21 | 1.1K | 999 | 876 |
| 48 | Environmental Policy | 23 | 1.1K | 998 | 946 |
| 49 | Financial Institutions | 4 | 1.1K | 313 | 16 |
| 50 | Medical genetics | 25 | 1.1K | 775 | 819 |
| 51 | marketing | 26 | 1.1K | 547 | 532 |
| 52 | Information Technology | 9 | 1.1K | 1345 | 509 |
| 53 | Psychiatry | 64 | 1.0K | 763 | 1101 |
| 54 | environmental protection | 30 | 1.0K | 943 | 958 |
| 54 | Business Ethics | 5 | 1.0K | 705 | 334 |
| 56 | Psychology | 68 | 927 | 880 | 1164 |
| 57 | Microbiology | 27 | 850 | 1936 | 2009 |
| 58 | drug therapy | 12 | 815 | 901 | 597 |
| 59 | Chemotherapy | 10 | 812 | 603 | 327 |
| 60 | Computer-Aided Design | 10 | 788 | 563 | 228 |
| 61 | Materials | 14 | 774 | 2566 | 1966 |
| 62 | Intelligent Transportation Systems | 20 | 757 | 302 | 314 |
| 63 | Building Materials | 7 | 751 | 1114 | 713 |
| 64 | Computer Graphics | 8 | 744 | 1008 | 463 |
| 65 | Transnational corporations | 33 | 742 | 6 | 18 |
| 66 | energy conservation | 17 | 736 | 709 | 770 |
| 67 | Mental Disorders | 51 | 721 | 507 | 927 |
| 68 | Pharmacology | 39 | 703 | 1362 | 1674 |
| 69 | Epidemiology | 46 | 696 | 708 | 990 |
| 70 | Optics | 43 | 665 | 1196 | 1190 |
| 71 | Biomedical Engineering | 26 | 662 | 1632 | 1695 |
| 72 | Electrical Engineering | 21 | 652 | 1217 | 739 |
| 73 | Biochemistry | 35 | 636 | 2553 | 2915 |
| 74 | Physiology | 15 | 630 | 1674 | 1433 |
| 75 | Neurology | 27 | 614 | 1485 | 1735 |
| 76 | Social Sciences | 35 | 597 | 802 | 808 |
| 77 | drugs | 4 | 595 | 1536 | 628 |
| 78 | Developing countries | 31 | 588 | 477 | 628 |
| 79 | coal | 13 | 585 | 717 | 680 |
| 80 | Analytical Chemistry | 9 | 579 | 2299 | 1700 |
| 81 | Information Science | 30 | 574 | 608 | 893 |
| 82 | Financial Engineering | 23 | 573 | 3 | 12 |
| 83 | Quantum electronics | 38 | 569 | 327 | 402 |
| 83 | Optoelectronic devices | 38 | 569 | 74 | 80 |
| 83 | lasers | 38 | 569 | 463 | 553 |
| 86 | Automation | 17 | 564 | 921 | 923 |
| 87 | Eating Disorders | 29 | 547 | 186 | 293 |
| 87 | Feeding and Eating Disorders | 29 | 547 | 171 | 275 |
| 89 | Sociology | 29 | 529 | 788 | 929 |
| 90 | mass transfer | 30 | 518 | 469 | 683 |
| 91 | Nutrition | 31 | 510 | 1156 | 1626 |
| 92 | Biotechnology | 24 | 508 | 1939 | 2348 |
| 93 | Money | 12 | 503 | 48 | 60 |
| 94 | Mobile Computing | 20 | 489 | 299 | 329 |
| 94 | Magnetic Materials | 4 | 489 | 1279 | 566 |
| 94 | Optical materials | 4 | 489 | 1967 | 1200 |
| 97 | Environmental Chemistry | 6 | 442 | 1343 | 994 |
| 98 | Health Services Research | 14 | 436 | 575 | 488 |
| 99 | Computer Engineering | 14 | 435 | 262 | 156 |
| 99 | Fractals | 19 | 435 | 282 | 330 |
| 101 | Solitons | 18 | 434 | 301 | 330 |
| 101 | Chaos | 18 | 434 | 301 | 330 |
| 103 | Numerical Analysis | 45 | 425 | 454 | 723 |
| 104 | Biomass Energy | 21 | 411 | 815 | 1279 |
| 105 | Behavior | 13 | 402 | 1323 | 1531 |
| 106 | Operations Research | 27 | 397 | 694 | 928 |
| 107 | Systems Engineering | 18 | 388 | 776 | 841 |
| 108 | Geophysics | 6 | 382 | 2065 | 1455 |
| 108 | cell interaction | 5 | 382 | 701 | 506 |
| 110 | Biophysics | 16 | 380 | 2164 | 2288 |
| 111 | Telecommunication Systems | 21 | 364 | 452 | 505 |
| 112 | Medical Microbiology | 16 | 363 | 836 | 1127 |
| 113 | North America | 12 | 357 | 286 | 207 |
| 114 | Cloud Computing | 7 | 356 | 132 | 78 |
| 114 | human behavior | 9 | 356 | 1244 | 1388 |
| 116 | Systems Biology | 5 | 353 | 999 | 595 |
| 117 | Food service management | 5 | 352 | 270 | 248 |
| 118 | Educational Psychology | 5 | 344 | 994 | 643 |
| 119 | Nursing | 11 | 340 | 906 | 563 |
| 119 | Learning | 13 | 340 | 566 | 592 |
| 121 | Structural design | 8 | 335 | 446 | 304 |
| 122 | Cytology | 10 | 332 | 1895 | 1942 |
| 123 | Bioengineering | 20 | 331 | 1521 | 2139 |
| 124 | Primary health care | 13 | 327 | 642 | 568 |
| 125 | city planning | 7 | 324 | 941 | 656 |
| 126 | Behavioral research | 32 | 318 | 18 | 80 |
| 127 | Microbial Ecology | 4 | 316 | 1537 | 1272 |
| 128 | Industrial Engineering | 9 | 305 | 962 | 850 |
| 129 | Obesity | 8 | 300 | 985 | 991 |
| 130 | consumer behavior | 5 | 298 | 363 | 280 |
| 131 | Earth Sciences | 20 | 293 | 1217 | 1496 |
| 132 | Inflammation | 13 | 292 | 399 | 647 |
| 133 | Signal Transduction | 3 | 290 | 1202 | 836 |
| 134 | Cognitive Science | 9 | 285 | 800 | 851 |
| 135 | Signal Processing | 13 | 283 | 1222 | 1327 |
| 136 | Urban Policy | 1 | 282 | 1300 | 391 |
| 137 | biological evolution | 4 | 276 | 1488 | 1187 |
| 138 | Quality Control | 7 | 275 | 998 | 803 |
| 139 | Geriatrics | 6 | 270 | 1703 | 1197 |
| 140 | System analysis | 12 | 268 | 1138 | 1138 |
| 141 | Economic Development | 19 | 265 | 468 | 863 |
| 141 | Mental illness | 5 | 265 | 1180 | 1057 |
| 143 | Biochemical Engineering | 6 | 264 | 2070 | 2127 |
| 144 | Astronomy | 5 | 262 | 1781 | 1434 |
| 145 | Molecular evolution | 3 | 259 | 1281 | 859 |
| 146 | Multimedia Systems | 14 | 254 | 732 | 760 |
| 147 | China | 10 | 248 | 1462 | 1310 |
| 148 | Education | 24 | 247 | 1137 | 1447 |
| 149 | food technology | 6 | 246 | 1662 | 1456 |
| 150 | Mathematical Physics | 22 | 243 | 1093 | 1256 |
| 151 | commerce | 18 | 239 | 446 | 777 |
| 152 | Mental Health | 18 | 235 | 506 | 720 |
| 153 | Water | 8 | 234 | 1349 | 1614 |
| 154 | Energy Conversion | 1 | 231 | 1524 | 944 |
| 155 | Genomics | 14 | 224 | 1240 | 1643 |
| 156 | personality | 6 | 222 | 960 | 966 |
| 157 | psychotherapy | 5 | 219 | 894 | 702 |
| 158 | Image Processing | 7 | 218 | 1397 | 1311 |
| 158 | food handling | 4 | 218 | 721 | 563 |
| 160 | Materials Science | 6 | 213 | 2683 | 2355 |
| 160 | complementary therapies | 10 | 213 | 736 | 869 |
| 162 | Ethnic relations | 13 | 212 | 186 | 202 |
| 162 | Ubiquitous computing | 5 | 212 | 131 | 29 |
| 164 | Metabolism | 6 | 210 | 1444 | 1542 |
| 164 | econometric models | 4 | 210 | 520 | 321 |
| 166 | drug resistance | 10 | 209 | 241 | 389 |
| 167 | Environmental Engineering | 20 | 208 | 1321 | 2152 |
| 168 | Evidence-Based Medicine | 6 | 203 | 410 | 341 |
| 169 | Alternative Medicine | 9 | 198 | 728 | 884 |
| 170 | Public Administration | 5 | 196 | 952 | 646 |
| 171 | Public Relations | 3 | 195 | 432 | 194 |
| 172 | Nanotechnology | 17 | 194 | 1988 | 2730 |
| 173 | Earthquake Engineering | 6 | 192 | 903 | 835 |
| 173 | Water pollution | 4 | 192 | 2004 | 1775 |
| 173 | Neurophysiology | 7 | 192 | 1581 | 1642 |
| 176 | Allergy | 6 | 188 | 686 | 845 |
| 177 | organization | 7 | 186 | 465 | 603 |
| 178 | medical education | 18 | 183 | 568 | 878 |
| 179 | Developed countries | 1 | 182 | 433 | 145 |
| 180 | Pharmaceutical Chemistry | 8 | 181 | 1973 | 2107 |
| 181 | Human-Computer Interaction | 7 | 180 | 927 | 947 |
| 181 | Smart Materials | 7 | 180 | 555 | 504 |
| 183 | Structural Engineering | 6 | 178 | 1084 | 940 |
| 184 | Social policy | 8 | 177 | 543 | 467 |
| 184 | Sales management | 3 | 177 | 224 | 283 |
| 184 | selling | 3 | 177 | 224 | 283 |
| 187 | Toxicology | 16 | 176 | 1859 | 2680 |
| 187 | Consumer education | 8 | 176 | 117 | 244 |
| 189 | Public Policy | 8 | 175 | 936 | 1056 |
| 189 | Solar Energy | 6 | 175 | 1184 | 1316 |
| 189 | Ocean Engineering | 5 | 175 | 1190 | 1065 |
| 189 | Fuzzy systems | 14 | 175 | 617 | 731 |
| 193 | Production Management | 5 | 174 | 823 | 988 |
| 194 | Health | 5 | 171 | 1445 | 1199 |
| 195 | Humanities | 15 | 164 | 580 | 641 |
| 195 | Nationalism | 13 | 164 | 91 | 112 |
| 197 | planning | 7 | 163 | 391 | 349 |
| 197 | Economic planning | 7 | 163 | 256 | 279 |
| 199 | Forecasting | 7 | 161 | 282 | 307 |
| 200 | Statistical physics | 12 | 160 | 1647 | 1908 |
| 201 | Botany | 6 | 159 | 2333 | 2347 |
| 202 | Process Control | 4 | 158 | 780 | 884 |
| 202 | Middle East | 24 | 158 | 185 | 377 |
| 204 | Dermatology | 15 | 157 | 680 | 957 |
| 204 | Europe | 16 | 157 | 1152 | 1528 |
| 206 | Engineering Mathematics | 18 | 156 | 634 | 946 |
| 207 | Composite Materials | 6 | 155 | 1771 | 1942 |
| 208 | Quality of life | 7 | 153 | 842 | 1073 |
| 208 | Imaging systems | 4 | 153 | 667 | 291 |
| 210 | Ethnology | 5 | 152 | 1027 | 652 |
| 211 | concrete | 4 | 151 | 783 | 852 |
| 212 | Genetic Toxicology | 1 | 150 | 716 | 369 |
| 212 | Infection control | 3 | 150 | 290 | 201 |
| 212 | mutation | 1 | 150 | 807 | 479 |
| 215 | Oncology | 5 | 145 | 1360 | 1691 |
| 215 | Surface Chemistry | 5 | 145 | 2487 | 2434 |
| 215 | Eastern Europe | 12 | 145 | 280 | 281 |
| 218 | International Business | 5 | 144 | 56 | 72 |
| 218 | software | 4 | 144 | 872 | 846 |
| 220 | Clinical Immunology | 5 | 143 | 722 | 760 |
| 220 | Engineering Geology | 3 | 143 | 1265 | 992 |
| 222 | Biocompatible Materials | 4 | 142 | 2484 | 2584 |
| 223 | Production Engineering | 6 | 140 | 1308 | 1161 |
| 223 | Diabetes mellitus | 6 | 140 | 1149 | 1390 |
| 223 | Diabetes | 6 | 140 | 1203 | 1436 |
| 226 | Colloids | 5 | 139 | 2477 | 2557 |
| 227 | Asia | 10 | 138 | 1401 | 1470 |
| 228 | mathematical analysis | 19 | 137 | 1063 | 1270 |
| 229 | Combustion | 1 | 135 | 1608 | 875 |
| 229 | Nervous system | 8 | 135 | 1327 | 1692 |
| 231 | Manufacturing Processes | 5 | 134 | 1632 | 1528 |
| 232 | Financial management | 3 | 133 | 438 | 414 |
| 232 | Communication in medicine | 2 | 133 | 605 | 345 |
| 234 | Metabolic diseases | 5 | 131 | 1344 | 1566 |
| 235 | environmental indicators | 3 | 130 | 1092 | 1086 |
| 235 | Technology | 6 | 130 | 2361 | 2311 |
| 237 | Diagnostic Imaging | 3 | 129 | 1588 | 1171 |
| 238 | Computational Intelligence | 10 | 128 | 245 | 398 |
| 238 | Strategic planning | 2 | 128 | 884 | 577 |
| 240 | Tropical Medicine | 11 | 126 | 784 | 1086 |
| 241 | Journalism | 10 | 125 | 232 | 267 |
| 241 | Emergency Medicine | 8 | 125 | 743 | 764 |
| 241 | Capital market | 6 | 125 | 243 | 337 |
| 241 | Human Resources | 4 | 125 | 360 | 476 |
| 245 | Intelligent Control Systems | 10 | 123 | 495 | 473 |
| 246 | Econometrics | 10 | 122 | 718 | 813 |
| 246 | Securities | 6 | 122 | 142 | 270 |
| 248 | Green Technology | 5 | 119 | 218 | 263 |
| 249 | Detectors | 5 | 118 | 1134 | 1106 |
| 250 | Information Theory | 6 | 117 | 946 | 947 |
| 250 | Heat Exchangers | 6 | 117 | 869 | 1148 |
| 250 | Corporate governance | 5 | 117 | 401 | 530 |
| 253 | Hematology | 11 | 116 | 1002 | 1398 |
| 253 | Cytogenetics | 3 | 116 | 1104 | 1145 |
| 255 | Emotions | 2 | 114 | 665 | 599 |
| 256 | Water quality management | 3 | 113 | 1669 | 1244 |
| 257 | Nuclear Engineering | 5 | 112 | 1056 | 843 |
| 257 | Nuclear Energy | 5 | 112 | 682 | 569 |
| 257 | Global Health | 11 | 112 | 414 | 621 |
| 257 | Holistic Health | 4 | 112 | 362 | 269 |
| 257 | Leukemia | 3 | 112 | 743 | 739 |
| 257 | Cement | 2 | 112 | 656 | 672 |
| 263 | Fiber Optics | 3 | 111 | 867 | 703 |
| 263 | infection | 7 | 111 | 895 | 1199 |
| 265 | pain management | 2 | 109 | 672 | 465 |
| 265 | pain | 2 | 109 | 1301 | 1037 |
| 265 | stocks | 5 | 109 | 47 | 153 |
| 268 | consumers | 4 | 108 | 281 | 307 |
| 269 | Small Business | 2 | 107 | 818 | 852 |
| 270 | motivation | 1 | 105 | 623 | 323 |
| 270 | Emotion | 1 | 105 | 389 | 253 |
| 272 | Neural circuitry | 5 | 104 | 1559 | 1771 |
| 273 | Computer Vision | 2 | 103 | 1243 | 1034 |
| 274 | Pediatrics | 10 | 102 | 1079 | 1633 |
| 274 | Soil Mechanics | 5 | 102 | 773 | 865 |
| 274 | Environmental Geochemistry | 4 | 102 | 413 | 412 |
| 274 | geological modeling | 13 | 102 | 135 | 365 |
| 274 | Minerals | 4 | 102 | 622 | 623 |
| 274 | Plants | 5 | 102 | 1428 | 1575 |
| 280 | Community Psychiatry | 4 | 101 | 716 | 817 |
| 281 | Rock Mechanics | 4 | 99 | 719 | 753 |
| 282 | Cybernetics | 4 | 96 | 1280 | 1351 |
| 282 | Post-traumatic stress disorder | 4 | 96 | 575 | 669 |
| 284 | Computational Biology | 11 | 95 | 1139 | 1865 |
| 284 | Product Design | 2 | 95 | 590 | 332 |
| 286 | Hypertension | 5 | 94 | 952 | 1265 |
| 287 | Traffic Engineering | 7 | 93 | 212 | 435 |
| 288 | air quality | 6 | 92 | 74 | 172 |
| 288 | Multiple sclerosis | 6 | 92 | 357 | 357 |
| 290 | Nutrition physiology | 4 | 91 | 565 | 646 |
| 291 | Health Policy | 4 | 90 | 1505 | 1481 |
| 292 | Boundary Value Problems | 4 | 89 | 662 | 558 |
| 292 | Decision making | 2 | 89 | 1582 | 1154 |
| 294 | Clinical Chemistry | 6 | 88 | 1617 | 2066 |
| 294 | Photochemistry | 3 | 88 | 1532 | 1430 |
| 294 | Technology Assessment | 3 | 88 | 393 | 543 |
| 294 | Organometallic chemistry | 8 | 88 | 1291 | 1541 |
| 294 | Photobiology | 3 | 88 | 1292 | 1198 |
| 299 | Online social networks | 1 | 86 | 609 | 239 |
| 299 | mental health promotion | 1 | 86 | 299 | 168 |
| 299 | Body Image | 1 | 86 | 378 | 294 |
| 299 | health planning | 7 | 86 | 1369 | 1687 |
| 303 | Cell adhesion | 2 | 85 | 183 | 188 |
| 303 | energy development | 5 | 85 | 558 | 905 |
| 305 | Mycology | 5 | 84 | 1081 | 1290 |
| 306 | nanoscience | 8 | 83 | 1682 | 2354 |
| 306 | genome | 2 | 83 | 1450 | 1452 |
| 306 | Psychophysiology | 4 | 83 | 1931 | 2139 |
| 309 | Mathematics Education | 6 | 82 | 298 | 319 |
| 309 | Cell Biology | 7 | 82 | 2016 | 2848 |
| 309 | Parenteral nutrition | 4 | 82 | 733 | 955 |
| 312 | Computer Science | 7 | 81 | 1321 | 1513 |
| 312 | Parasitology | 7 | 81 | 1397 | 1688 |
| 312 | Autism | 1 | 81 | 944 | 710 |
| 315 | Social Psychology | 2 | 79 | 2210 | 1812 |
| 316 | Pharmacognosy | 4 | 78 | 1474 | 1821 |
| 316 | Medicinal plants | 4 | 78 | 1091 | 1481 |
| 316 | Bioinformatics | 10 | 78 | 1016 | 1656 |
| 319 | Integrative Medicine | 3 | 77 | 260 | 150 |
| 320 | Immunopathology | 4 | 76 | 874 | 1077 |
| 320 | Computational Complexity | 6 | 76 | 691 | 758 |
| 322 | Mining Engineering | 3 | 75 | 496 | 469 |
| 322 | Food | 7 | 75 | 1888 | 2701 |
| 324 | Psychiatric Epidemiology | 2 | 74 | 551 | 596 |
| 324 | Liver diseases | 2 | 74 | 1187 | 1259 |
| 326 | Fluid Mechanics | 6 | 73 | 1012 | 1228 |
| 326 | Transportation | 4 | 73 | 1263 | 1382 |
| 328 | Teaching | 13 | 72 | 723 | 1359 |
| 328 | Semantic web | 5 | 72 | 49 | 127 |
| 328 | plant molecular biology | 3 | 72 | 1261 | 1563 |
| 331 | Health Services Administration | 2 | 71 | 1089 | 857 |
| 331 | Dynamics | 9 | 71 | 859 | 1195 |
| 331 | health workforce | 2 | 71 | 212 | 251 |
| 331 | Radiation | 4 | 71 | 1705 | 1650 |
| 331 | Diet | 6 | 71 | 1178 | 1986 |
| 336 | Ethics | 4 | 70 | 743 | 708 |
| 336 | Electronics | 4 | 70 | 2487 | 2402 |
| 338 | vibration | 6 | 69 | 806 | 1113 |
| 338 | Nutritional support | 1 | 69 | 283 | 243 |
| 340 | Software Maintenance | 2 | 68 | 248 | 127 |
| 340 | Solid State Chemistry | 3 | 68 | 2163 | 2046 |
| 340 | Calorimetry | 8 | 68 | 645 | 1055 |
| 340 | violence | 3 | 68 | 863 | 935 |
| 340 | sex crimes | 2 | 68 | 715 | 633 |
| 340 | Thermal analysis | 8 | 68 | 645 | 1055 |
| 346 | Hydrology | 5 | 67 | 1697 | 1981 |
| 346 | Production Planning | 3 | 67 | 258 | 384 |
| 346 | Production Control | 3 | 67 | 254 | 381 |
| 346 | Enteral nutrition | 3 | 67 | 724 | 914 |
| 350 | Waste management | 3 | 66 | 1326 | 1274 |
| 350 | Women's health | 6 | 66 | 724 | 1086 |
| 352 | Radiologic Technology | 5 | 65 | 86 | 89 |
| 352 | Interventional Radiology | 5 | 65 | 86 | 89 |
| 352 | Entrepreneurship | 4 | 65 | 800 | 1188 |
| 352 | Interventional Radiography | 5 | 65 | 86 | 89 |
| 352 | Endoscopic Surgery | 5 | 65 | 86 | 89 |
| 352 | Wales | 4 | 65 | 65 | 36 |
| 358 | Geology | 4 | 64 | 2046 | 2176 |
| 358 | Land use | 4 | 64 | 927 | 1261 |
| 360 | Biopharmaceutics | 3 | 63 | 953 | 1145 |
| 360 | Environmental Economics | 2 | 63 | 505 | 389 |
| 360 | Highway Engineering | 6 | 63 | 220 | 381 |
| 360 | Child | 8 | 63 | 1223 | 1864 |
| 360 | Carbon | 3 | 63 | 1178 | 1569 |
| 360 | Disease | 1 | 63 | 528 | 575 |
| 366 | Environmental Microbiology | 2 | 62 | 1422 | 1586 |
| 366 | Infections | 4 | 62 | 812 | 1179 |
| 366 | soil microbiology | 2 | 62 | 1464 | 1740 |
| 366 | health services | 8 | 62 | 533 | 934 |
| 370 | Fracture mechanics | 2 | 61 | 1442 | 1289 |
| 370 | Tunneling | 1 | 61 | 523 | 466 |
| 370 | underground construction | 1 | 61 | 523 | 466 |
| 370 | Europa | 2 | 61 | 603 | 542 |
| 374 | Histology | 2 | 60 | 1745 | 1717 |
| 374 | Psychiatric Nursing | 5 | 60 | 483 | 637 |
| 374 | Drug design | 6 | 60 | 970 | 1533 |
| 374 | eugenics | 2 | 60 | 610 | 548 |
| 378 | Water Purification | 1 | 59 | 1641 | 1096 |
| 378 | Sales Promotion | 3 | 59 | 83 | 84 |
| 380 | Travel | 5 | 58 | 536 | 736 |
| 380 | Behavioral Finance | 2 | 58 | 69 | 71 |
| 380 | Entropy | 2 | 58 | 1389 | 1028 |
| 380 | Bacterial infections | 4 | 58 | 581 | 969 |
| 384 | Organizational Behavior | 1 | 57 | 796 | 741 |
| 384 | Parasitic Diseases | 3 | 57 | 1611 | 1740 |
| 386 | Swarm Intelligence | 3 | 56 | 278 | 443 |
| 386 | cell physiology | 3 | 56 | 1191 | 1544 |
| 386 | Spectrum analysis | 5 | 56 | 2790 | 3263 |
| 389 | radioactive waste | 1 | 55 | 1269 | 1400 |
| 389 | industrial waste | 1 | 55 | 1312 | 1403 |
| 389 | Hazardous waste | 1 | 55 | 1448 | 1458 |
| 392 | Financial Regulation | 3 | 54 | 29 | 25 |
| 392 | solar power | 2 | 54 | 961 | 1136 |
| 392 | Bioinorganic chemistry | 2 | 54 | 1462 | 1398 |
| 392 | Water Microbiology | 2 | 54 | 550 | 581 |
| 392 | solar cells | 2 | 54 | 1028 | 1194 |
| 392 | Fungi | 3 | 54 | 890 | 1114 |
| 398 | Neonatology | 1 | 53 | 956 | 679 |
| 398 | Natural resources | 1 | 53 | 1087 | 889 |
| 398 | Child Development | 1 | 53 | 2197 | 1809 |
| 398 | Adolescent | 8 | 53 | 1092 | 1820 |
| 398 | Lipids | 3 | 53 | 1115 | 1435 |
| 398 | industrial relations | 3 | 53 | 769 | 762 |
| 404 | Virtual reality | 1 | 52 | 723 | 479 |
| 404 | Crystallography | 2 | 52 | 1710 | 1043 |
| 406 | Marine Biology | 2 | 51 | 2291 | 2268 |
| 406 | Marine Pollution | 2 | 51 | 1281 | 1457 |
| 406 | Molecular structure | 8 | 51 | 1437 | 2186 |
| 406 | Gastrointestinal diseases | 2 | 51 | 750 | 691 |
| 410 | Dietetics | 3 | 50 | 541 | 598 |
| 410 | Culture | 4 | 50 | 874 | 870 |
| 412 | Polymers | 5 | 49 | 2839 | 3363 |
| 412 | Consumer Protection | 1 | 49 | 363 | 258 |
| 412 | Plant hormones | 2 | 49 | 385 | 475 |
| 412 | polymerization | 5 | 49 | 2495 | 2961 |
| 412 | Egypt | 4 | 49 | 416 | 726 |
| 417 | Measurement | 5 | 48 | 1027 | 1453 |
| 417 | feeding behavior | 5 | 48 | 507 | 946 |
| 417 | Islam | 4 | 48 | 369 | 363 |
| 420 | Laser therapy | 5 | 47 | 304 | 444 |
| 420 | Metabolic syndrome | 2 | 47 | 353 | 372 |
| 422 | Mechanical Engineering | 5 | 46 | 1825 | 1992 |
| 422 | Emergency Medical Services | 2 | 46 | 770 | 743 |
| 422 | sanitation | 1 | 46 | 1718 | 1828 |
| 422 | sustainability | 7 | 46 | 462 | 1197 |
| 426 | Petroleum Engineering | 3 | 45 | 650 | 781 |
| 426 | Genetic engineering | 3 | 45 | 1703 | 2084 |
| 426 | Molecular cloning | 3 | 45 | 1270 | 1511 |
| 426 | Genetic recombination | 3 | 45 | 1254 | 1498 |
| 426 | Recombinant DNA | 3 | 45 | 1320 | 1559 |
| 431 | Surgery | 4 | 44 | 1182 | 1486 |
| 431 | Meteorology | 2 | 44 | 1988 | 2195 |
| 431 | Climatology | 2 | 44 | 1718 | 1821 |
| 431 | Solid State Physics | 4 | 44 | 2756 | 2971 |
| 431 | Ethnic Conflict | 2 | 44 | 324 | 371 |
| 431 | bioclimatology | 2 | 44 | 1106 | 1161 |
| 431 | forced migration | 2 | 44 | 324 | 371 |
| 431 | refugees | 7 | 44 | 99 | 282 |
| 431 | race relations | 3 | 44 | 574 | 614 |
| 440 | Algorithms | 3 | 43 | 725 | 748 |
| 440 | ethnicity | 8 | 43 | 339 | 629 |
| 440 | Sports | 2 | 43 | 2063 | 1745 |
| 440 | Cardiovascular diseases | 1 | 43 | 1804 | 1416 |
| 440 | Condensed Matter | 2 | 43 | 2579 | 2456 |
| 445 | Statistics | 1 | 42 | 2865 | 1949 |
| 445 | diseases | 6 | 42 | 173 | 621 |
| 447 | Neuropsychology | 3 | 41 | 1881 | 2215 |
| 447 | Differential Equations | 3 | 41 | 1006 | 947 |
| 447 | Cell migration | 1 | 41 | 200 | 217 |
| 447 | Hemodynamics | 2 | 41 | 616 | 807 |
| 447 | Nonlinear functional analysis | 6 | 41 | 800 | 1223 |
| 447 | Cross-Cultural Studies | 4 | 41 | 576 | 908 |
| 447 | cell movement | 1 | 41 | 404 | 422 |
| 454 | Political Science | 6 | 40 | 1119 | 1294 |
| 454 | Advertising | 1 | 40 | 508 | 511 |
| 454 | fuel cells | 1 | 40 | 1566 | 1490 |
| 457 | Geriatric Pharmacology | 1 | 39 | 447 | 414 |
| 457 | Medical Oncology | 1 | 39 | 1796 | 1708 |
| 457 | Control Theory | 7 | 39 | 1123 | 1671 |
| 457 | Organizational learning | 6 | 39 | 159 | 541 |
| 457 | Metastasis | 1 | 39 | 320 | 436 |
| 457 | Knowledge management | 6 | 39 | 144 | 474 |
| 457 | Elderly | 2 | 39 | 1228 | 888 |
| 457 | Chemical processes | 1 | 39 | 936 | 672 |
| 457 | older people | 2 | 39 | 1566 | 1313 |
| 457 | Appetite | 4 | 39 | 498 | 935 |
| 467 | Rheumatology | 1 | 38 | 1332 | 1195 |
| 467 | Reproductive health | 3 | 38 | 695 | 986 |
| 467 | Pathogens | 3 | 38 | 84 | 202 |
| 470 | Critical Care | 2 | 37 | 1267 | 1523 |
| 470 | Critical Care Medicine | 2 | 37 | 1213 | 1494 |
| 470 | Fluid Dynamics | 3 | 37 | 1024 | 1219 |
| 470 | sports administration | 1 | 37 | 568 | 431 |
| 470 | Radio | 2 | 37 | 1440 | 1534 |
| 475 | Catalysis | 8 | 36 | 2004 | 3120 |
| 475 | Computational Linguistics | 5 | 36 | 361 | 535 |
| 475 | Bioorganic chemistry | 1 | 36 | 2920 | 2710 |
| 475 | Evolutionary Computation | 2 | 36 | 597 | 836 |
| 475 | East Asia | 5 | 36 | 434 | 654 |
| 480 | international trade | 4 | 35 | 584 | 841 |
| 480 | carcinogens | 2 | 35 | 995 | 1258 |
| 480 | allied health | 1 | 35 | 482 | 380 |
| 483 | Thrombosis | 2 | 34 | 973 | 1132 |
| 483 | Memory disorders | 1 | 34 | 485 | 434 |
| 483 | vascular diseases | 2 | 34 | 723 | 947 |
| 483 | Respiration | 1 | 34 | 1708 | 1623 |
| 483 | Memory | 1 | 34 | 1897 | 1798 |
| 488 | Food Microbiology | 2 | 33 | 1279 | 1736 |
| 488 | Transplantation | 3 | 33 | 800 | 1080 |
| 488 | drug evaluation | 4 | 33 | 1015 | 1580 |
| 491 | Software Engineering | 1 | 32 | 1392 | 1160 |
| 491 | Database Management | 1 | 32 | 1088 | 950 |
| 491 | Career development | 3 | 32 | 408 | 574 |
| 491 | Organizational change | 1 | 32 | 1151 | 960 |
| 491 | Change management | 1 | 32 | 239 | 150 |
| 496 | Medical Laboratory Science | 1 | 31 | 2414 | 2437 |
| 496 | Comparative Literature | 2 | 31 | 213 | 16 |
| 496 | health behavior | 4 | 31 | 667 | 1118 |
| 496 | Semiconductors | 2 | 31 | 2165 | 2171 |
| 496 | Qualitative Research | 3 | 31 | 491 | 665 |
| 501 | Information Systems | 1 | 30 | 2036 | 1800 |
| 501 | Experimental Psychology | 1 | 30 | 844 | 751 |
| 501 | War | 5 | 30 | 123 | 285 |
| 501 | Contraception | 1 | 30 | 855 | 839 |
| 501 | Biological Systems | 2 | 30 | 666 | 859 |
| 501 | Aging | 3 | 30 | 2076 | 2548 |
| 501 | Cognition | 2 | 30 | 1727 | 1877 |
| 501 | Birth control | 1 | 30 | 730 | 736 |
| 509 | School Psychology | 1 | 29 | 687 | 689 |
| 509 | Virology | 4 | 29 | 1836 | 2854 |
| 509 | Mental Health Services | 4 | 29 | 871 | 1398 |
| 509 | amino acids | 2 | 29 | 709 | 974 |
| 509 | Nonlinear systems | 5 | 29 | 440 | 804 |
| 514 | Neuropsychiatry | 1 | 28 | 1044 | 1052 |
| 514 | Educational Research | 1 | 28 | 211 | 167 |
| 514 | Labor Economics | 2 | 28 | 581 | 627 |
| 514 | Socioeconomic Factors | 4 | 28 | 591 | 1202 |
| 514 | organizational effectiveness | 1 | 28 | 765 | 661 |
| 514 | corporate culture | 1 | 28 | 389 | 428 |
| 514 | viruses | 2 | 28 | 1216 | 1658 |
| 514 | Intellectual disability | 2 | 28 | 834 | 959 |
| 514 | Cancer | 2 | 28 | 2465 | 3034 |
| 523 | Immunology | 3 | 27 | 2258 | 3010 |
| 523 | Philosophy | 1 | 27 | 1880 | 1051 |
| 523 | Autobiography | 5 | 27 | 44 | 23 |
| 523 | Electrophoresis | 1 | 27 | 1926 | 1951 |
| 523 | Functional foods | 1 | 27 | 688 | 741 |
| 523 | Brain | 3 | 27 | 2019 | 2714 |
| 523 | Phytotherapy | 1 | 27 | 1181 | 1205 |
| 530 | Regional Planning | 3 | 26 | 1300 | 1721 |
| 530 | Religion | 4 | 26 | 730 | 702 |
| 530 | Research methodology | 2 | 26 | 130 | 255 |
| 530 | individual differences | 1 | 26 | 508 | 606 |
| 530 | anesthesia | 2 | 26 | 626 | 610 |
| 535 | Probability | 2 | 25 | 646 | 820 |
| 535 | Risk Management | 2 | 25 | 797 | 1029 |
| 535 | X-ray spectroscopy | 1 | 25 | 359 | 272 |
| 535 | Computational Fluid Dynamics | 2 | 25 | 742 | 941 |
| 535 | Ceramic materials | 2 | 25 | 1476 | 1704 |
| 535 | Metacognition | 1 | 25 | 152 | 185 |
| 535 | Risk | 2 | 25 | 591 | 810 |
| 535 | Stem cells | 1 | 25 | 1531 | 1648 |
| 543 | Oceanography | 3 | 24 | 1356 | 1877 |
| 543 | Developmental Psychology | 1 | 24 | 1405 | 1322 |
| 543 | peptides | 2 | 24 | 934 | 1150 |
| 543 | Youth | 6 | 24 | 433 | 982 |
| 543 | Human biology | 2 | 24 | 733 | 881 |
| 543 | miniaturization | 3 | 24 | 1568 | 2280 |
| 543 | proteins | 2 | 24 | 1848 | 2238 |
| 550 | Political Economy | 2 | 23 | 206 | 192 |
| 550 | Soil dynamics | 1 | 23 | 770 | 805 |
| 550 | Enzyme inhibitors | 1 | 23 | 724 | 803 |
| 550 | Public Finance | 1 | 23 | 361 | 251 |
| 550 | Cell communication | 1 | 23 | 890 | 1067 |
| 550 | venom | 1 | 23 | 1161 | 1175 |
| 550 | Toxins | 1 | 23 | 1282 | 1289 |
| 557 | Endocrinology | 3 | 22 | 2071 | 2938 |
| 557 | Evolutionary Genetics | 3 | 22 | 606 | 1131 |
| 557 | Molecular Epidemiology | 3 | 22 | 606 | 1131 |
| 557 | International Law | 1 | 22 | 634 | 257 |
| 557 | cross-cultural comparison | 2 | 22 | 643 | 866 |
| 557 | rare diseases | 1 | 22 | 863 | 881 |
| 557 | Agriculture | 5 | 22 | 1447 | 2491 |
| 564 | Early Childhood Education | 2 | 21 | 672 | 818 |
| 564 | Vocational Education | 1 | 21 | 792 | 749 |
| 564 | General Surgery | 2 | 21 | 644 | 706 |
| 564 | Psychopharmacology | 2 | 21 | 1359 | 1745 |
| 564 | Health Education | 3 | 21 | 1528 | 2106 |
| 564 | Cognitive Therapy | 2 | 21 | 707 | 928 |
| 564 | Religion and Psychology | 2 | 21 | 696 | 830 |
| 564 | visualization | 3 | 21 | 1307 | 1264 |
| 564 | Vocational guidance | 1 | 21 | 1247 | 1275 |
| 564 | counseling | 1 | 21 | 1713 | 1603 |
| 564 | Social work | 2 | 21 | 1442 | 1613 |
| 564 | educational planning | 2 | 21 | 509 | 765 |
| 576 | Religion and Politics | 2 | 20 | 69 | 62 |
| 576 | epilepsy | 1 | 20 | 1233 | 1289 |
| 576 | insurgency | 1 | 20 | 147 | 86 |
| 576 | Geopolitics | 2 | 20 | 354 | 456 |
| 576 | Ideology | 2 | 20 | 98 | 119 |
| 576 | Bacteriology | 1 | 20 | 2020 | 2329 |
| 576 | health and race | 1 | 20 | 337 | 411 |
| 576 | Quantum Optics | 1 | 20 | 1185 | 1120 |
| 576 | Randomized Controlled Trials | 1 | 20 | 1349 | 1271 |
| 576 | ethnic groups | 1 | 20 | 555 | 621 |
| 576 | innovation | 2 | 20 | 698 | 1133 |
| 576 | Atomic spectroscopy | 1 | 20 | 1461 | 1415 |
| 576 | Laser Spectroscopy | 1 | 20 | 1132 | 1076 |
| 589 | Robotics | 2 | 19 | 1765 | 2110 |
| 589 | Functional Analysis | 4 | 19 | 1135 | 1562 |
| 589 | Intercultural Communication | 2 | 19 | 530 | 774 |
| 589 | Biosensors | 1 | 19 | 1647 | 2045 |
| 589 | Energy Storage | 1 | 19 | 1661 | 1743 |
| 589 | Music | 2 | 19 | 1015 | 1068 |
| 589 | voice | 2 | 19 | 578 | 736 |
| 589 | Mass Media | 6 | 19 | 530 | 852 |
| 589 | Child welfare | 2 | 19 | 1168 | 1490 |
| 589 | urban health | 1 | 19 | 411 | 510 |
| 589 | preimplantation genetic diagnosis | 1 | 19 | 663 | 752 |
| 589 | embryo transfer | 1 | 19 | 677 | 768 |
| 589 | big data | 2 | 19 | 822 | 1097 |
| 589 | Environmental risk assessment | 2 | 19 | 483 | 731 |
| 589 | Bioelectronics | 1 | 19 | 1491 | 1891 |
| 604 | Obstetrics | 5 | 18 | 1460 | 2376 |
| 604 | Higher Education | 2 | 18 | 740 | 969 |
| 604 | Pediatric Hematology | 3 | 18 | 376 | 503 |
| 604 | Customer service | 2 | 18 | 75 | 154 |
| 604 | ovary | 1 | 18 | 382 | 474 |
| 604 | natural gas | 2 | 18 | 421 | 722 |
| 610 | health services accessibility | 4 | 17 | 719 | 1383 |
| 610 | Bioremediation | 2 | 17 | 1063 | 1642 |
| 610 | warfare | 3 | 17 | 259 | 572 |
| 610 | foreign exchange | 1 | 17 | 567 | 660 |
| 610 | Organometallic compounds | 1 | 17 | 1680 | 1763 |
| 610 | economic conditions | 3 | 17 | 456 | 759 |
| 610 | Africa | 5 | 17 | 1100 | 1810 |
| 610 | Reproduction | 4 | 17 | 1625 | 2511 |
| 610 | tests | 1 | 17 | 370 | 486 |
| 610 | Investments | 2 | 17 | 687 | 986 |
| 620 | Logistics | 1 | 16 | 932 | 1101 |
| 620 | Nuclear Physics | 5 | 16 | 2671 | 3541 |
| 620 | Inventory Control | 1 | 16 | 174 | 307 |
| 620 | Pharmaceutical Technology | 2 | 16 | 1574 | 2096 |
| 620 | Forensic Toxicology | 1 | 16 | 107 | 145 |
| 620 | Genetic disorders | 1 | 16 | 612 | 729 |
| 620 | Immunochemistry | 1 | 16 | 1323 | 1428 |
| 620 | environmental remediation | 1 | 16 | 717 | 854 |
| 620 | Drug delivery systems | 2 | 16 | 1642 | 2227 |
| 620 | Watershed management | 1 | 16 | 500 | 487 |
| 620 | Hospitality industry | 1 | 16 | 763 | 962 |
| 620 | scientific societies | 1 | 16 | 1131 | 1278 |
| 620 | Cell surface receptors | 1 | 16 | 264 | 318 |
| 620 | Informatics | 2 | 16 | 934 | 1333 |
| 634 | Molecular Genetics | 1 | 15 | 2029 | 2423 |
| 634 | poverty | 1 | 15 | 741 | 868 |
| 634 | foreign policy | 2 | 15 | 323 | 265 |
| 634 | healthcare disparities | 1 | 15 | 747 | 909 |
| 634 | Electrochemistry | 1 | 15 | 3528 | 3500 |
| 634 | Electrochemical Analysis | 1 | 15 | 1984 | 2159 |
| 634 | Adhesion | 2 | 15 | 851 | 1167 |
| 634 | cooperation | 1 | 15 | 276 | 236 |
| 634 | gene therapy | 1 | 15 | 1196 | 1473 |
| 634 | Industrial Policy | 1 | 15 | 770 | 853 |
| 634 | Turbulence | 1 | 15 | 389 | 424 |
| 634 | Hemophilia | 2 | 15 | 456 | 610 |
| 634 | Hypertension in pregnancy | 1 | 15 | 340 | 369 |
| 634 | Arab-Israeli Conflict | 2 | 15 | 83 | 116 |
| 634 | Diplomatic relations | 2 | 15 | 735 | 674 |
| 634 | Genetic therapy | 1 | 15 | 1209 | 1481 |
| 634 | adhesives | 2 | 15 | 908 | 1192 |
| 651 | Data Mining | 1 | 14 | 2342 | 2504 |
| 651 | Special Education | 1 | 14 | 1119 | 1038 |
| 651 | Adult Education | 2 | 14 | 749 | 933 |
| 651 | Multicultural Education | 1 | 14 | 676 | 651 |
| 651 | Continuing Education | 2 | 14 | 555 | 713 |
| 651 | Simulation Methods | 3 | 14 | 972 | 1697 |
| 651 | Genetic testing | 3 | 14 | 309 | 626 |
| 651 | Access to Information | 1 | 14 | 450 | 620 |
| 651 | Child psychology | 1 | 14 | 1770 | 1961 |
| 651 | Planets | 1 | 14 | 1596 | 1911 |
| 651 | cultural pluralism | 1 | 14 | 701 | 752 |
| 651 | alcoholism | 1 | 14 | 1673 | 1901 |
| 651 | drug abuse | 1 | 14 | 889 | 1001 |
| 651 | Information dissemination | 1 | 14 | 450 | 620 |
| 651 | Kidney diseases | 3 | 14 | 806 | 1332 |
| 666 | Orthopedics | 3 | 13 | 1228 | 1821 |
| 666 | Nanochemistry | 1 | 13 | 1779 | 2010 |
| 666 | Gender Studies | 2 | 13 | 629 | 943 |
| 666 | Queer Studies | 2 | 13 | 373 | 665 |
| 666 | Orthopedic Surgery | 2 | 13 | 810 | 1156 |
| 666 | Nanostructured Materials | 1 | 13 | 2973 | 3303 |
| 666 | micromechanics | 1 | 13 | 905 | 1049 |
| 666 | Autoimmunity | 1 | 13 | 913 | 1195 |
| 666 | Respiratory Infections | 2 | 13 | 351 | 609 |
| 666 | Group decision making | 1 | 13 | 756 | 860 |
| 666 | Family Therapy | 2 | 13 | 832 | 1155 |
| 666 | child mental health | 2 | 13 | 547 | 871 |
| 666 | Social support | 1 | 13 | 297 | 432 |
| 666 | Foodborne diseases | 1 | 13 | 420 | 578 |
| 666 | homosexuality | 2 | 13 | 479 | 764 |
| 666 | Social environment | 1 | 13 | 314 | 449 |
| 666 | civil war | 2 | 13 | 49 | 127 |
| 666 | data protection | 2 | 13 | 755 | 1072 |
| 666 | Vaccines | 1 | 13 | 1990 | 2306 |
| 666 | Influenza | 2 | 13 | 251 | 510 |
| 686 | Anthropology | 2 | 12 | 1563 | 1869 |
| 686 | Pharmacy | 2 | 12 | 1961 | 2723 |
| 686 | Architecture | 1 | 12 | 855 | 724 |
| 686 | Neurobiology | 1 | 12 | 1838 | 2204 |
| 686 | Thermodynamics | 4 | 12 | 1064 | 1671 |
| 686 | Analytical Biochemistry | 1 | 12 | 2158 | 2447 |
| 686 | Surface-Active Agents | 1 | 12 | 1613 | 2053 |
| 686 | Biomarkers | 2 | 12 | 515 | 884 |
| 686 | Heritage Tourism | 1 | 12 | 285 | 431 |
| 686 | cultural tourism | 1 | 12 | 285 | 431 |
| 686 | Surface properties | 1 | 12 | 1659 | 2099 |
| 686 | Plant diseases | 1 | 12 | 2224 | 2405 |
| 686 | biochemical markers | 2 | 12 | 741 | 1233 |
| 686 | Bereavement | 2 | 12 | 255 | 423 |
| 700 | Natural Sciences | 1 | 11 | 247 | 283 |
| 700 | Medical Technology | 2 | 11 | 1724 | 2559 |
| 700 | International Relations | 1 | 11 | 1428 | 1242 |
| 700 | Research Design | 1 | 11 | 1530 | 1809 |
| 700 | Calculus of Variations | 3 | 11 | 522 | 753 |
| 700 | Marriage | 1 | 11 | 833 | 1018 |
| 700 | Gerontology | 2 | 11 | 1878 | 2330 |
| 700 | Porous materials | 2 | 11 | 921 | 1355 |
| 700 | paraphilias | 1 | 11 | 323 | 479 |
| 700 | toxicity testing | 1 | 11 | 979 | 1338 |
| 700 | Microstructure | 1 | 11 | 1416 | 1474 |
| 700 | Parasites | 1 | 11 | 1947 | 2223 |
| 700 | technical education | 2 | 11 | 809 | 1234 |
| 700 | Microscopy | 1 | 11 | 1901 | 1984 |
| 700 | Marriage counseling | 1 | 11 | 525 | 672 |
| 700 | Cell metabolism | 1 | 11 | 958 | 1267 |
| 700 | Menopause | 1 | 11 | 499 | 641 |
| 717 | Respiratory Therapy | 1 | 10 | 67 | 107 |
| 717 | Otolaryngology | 1 | 10 | 761 | 875 |
| 717 | Urban Planning | 1 | 10 | 670 | 904 |
| 717 | Proteomics | 1 | 10 | 1357 | 1743 |
| 717 | community development | 1 | 10 | 968 | 1132 |
| 717 | Maternal health services | 1 | 10 | 587 | 790 |
| 717 | Medical Anthropology | 2 | 10 | 1279 | 2053 |
| 717 | adolescence | 3 | 10 | 838 | 1575 |
| 717 | Adolescent Psychology | 3 | 10 | 753 | 1392 |
| 717 | Housing | 1 | 10 | 801 | 1039 |
| 717 | Broadcasting | 1 | 10 | 355 | 471 |
| 717 | Luminescence | 1 | 10 | 1809 | 2042 |
| 717 | bioluminescence | 1 | 10 | 685 | 783 |
| 717 | gases | 1 | 10 | 67 | 107 |
| 717 | Roads | 1 | 10 | 928 | 1009 |
| 717 | food service | 2 | 10 | 125 | 209 |
| 717 | insurance | 1 | 10 | 620 | 712 |
| 717 | thinking | 1 | 10 | 629 | 805 |
| 717 | Population | 1 | 10 | 1295 | 1579 |
| 717 | Creativity | 1 | 10 | 659 | 874 |
| 737 | Psychosomatic Medicine | 2 | 9 | 821 | 1380 |
| 737 | behavioral medicine | 1 | 9 | 1741 | 2295 |
| 737 | preventive medicine | 2 | 9 | 1104 | 1829 |
| 737 | Machining | 1 | 9 | 286 | 360 |
| 737 | hazard mitigation | 1 | 9 | 1491 | 1885 |
| 737 | research and development | 1 | 9 | 593 | 814 |
| 737 | Personality Assessment | 1 | 9 | 761 | 1029 |
| 737 | Safety management | 2 | 9 | 777 | 1342 |
| 737 | Structure-activity relationship | 1 | 9 | 464 | 626 |
| 737 | Fibers | 4 | 9 | 70 | 207 |
| 737 | natural disasters | 1 | 9 | 1802 | 2238 |
| 737 | language | 1 | 9 | 1202 | 1367 |
| 749 | Anatomy | 2 | 8 | 1884 | 2569 |
| 749 | Neurogenetics | 1 | 8 | 519 | 673 |
| 749 | Green Chemistry | 2 | 8 | 1713 | 2549 |
| 749 | Neurosurgery | 3 | 8 | 848 | 1480 |
| 749 | Marine Geology | 1 | 8 | 867 | 1082 |
| 749 | Criminal psychology | 1 | 8 | 1000 | 1141 |
| 749 | Petroleum Geology | 1 | 8 | 706 | 910 |
| 749 | Microelectronics | 1 | 8 | 2027 | 2339 |
| 749 | Geochemistry | 1 | 8 | 2204 | 2655 |
| 749 | Forensic Psychiatry | 1 | 8 | 765 | 904 |
| 749 | Biomechanics | 1 | 8 | 1755 | 2120 |
| 749 | Crisis management | 2 | 8 | 189 | 436 |
| 749 | Technological Innovations | 2 | 8 | 1248 | 2047 |
| 749 | Retinal diseases | 1 | 8 | 134 | 96 |
| 749 | Ultrasonics | 2 | 8 | 1371 | 2214 |
| 749 | Communication in marketing | 1 | 8 | 342 | 560 |
| 749 | Family | 1 | 8 | 1387 | 1699 |
| 749 | X-rays | 1 | 8 | 940 | 1037 |
| 749 | families | 1 | 8 | 1279 | 1441 |
| 749 | Biometrics | 1 | 8 | 1298 | 1497 |
| 749 | World Wide Web | 6 | 8 | 204 | 877 |
| 749 | India | 1 | 8 | 2220 | 2203 |
| 771 | Power Electronics | 1 | 7 | 1301 | 1593 |
| 771 | Organizational Sociology | 1 | 7 | 583 | 779 |
| 771 | Pharmacogenetics | 3 | 7 | 776 | 1539 |
| 771 | Regional Economics | 1 | 7 | 774 | 1010 |
| 771 | Municipal Engineering | 2 | 7 | 437 | 1011 |
| 771 | Sports Medicine | 3 | 7 | 2093 | 2960 |
| 771 | Cognitive Radio Networks | 1 | 7 | 372 | 516 |
| 771 | Islamic Architecture | 1 | 7 | 212 | 321 |
| 771 | Real Estate Investment | 1 | 7 | 293 | 393 |
| 771 | Happiness | 1 | 7 | 822 | 1182 |
| 771 | Chromosome mapping | 1 | 7 | 2094 | 2707 |
| 771 | Portfolio Management | 1 | 7 | 482 | 505 |
| 771 | gene mapping | 1 | 7 | 2234 | 2887 |
| 771 | real estate | 1 | 7 | 118 | 180 |
| 785 | Industrial Design | 1 | 6 | 463 | 705 |
| 785 | Materials Engineering | 1 | 6 | 1260 | 1556 |
| 785 | Cultural Studies | 1 | 6 | 328 | 509 |
| 785 | Nephrology | 1 | 6 | 682 | 950 |
| 785 | Mechatronics | 1 | 6 | 1356 | 1726 |
| 785 | Paleoecology | 1 | 6 | 1315 | 1627 |
| 785 | Land Use Planning | 1 | 6 | 602 | 860 |
| 785 | Plant Ecology | 1 | 6 | 2097 | 2669 |
| 785 | Food Preservation | 1 | 6 | 1249 | 1579 |
| 785 | Pharmacogenomics | 1 | 6 | 485 | 737 |
| 785 | Remote Sensing | 2 | 6 | 1641 | 2220 |
| 785 | Neurovirology | 1 | 6 | 399 | 611 |
| 785 | Number Theory | 2 | 6 | 915 | 1192 |
| 785 | Critical Discourse Analysis | 1 | 6 | 113 | 235 |
| 785 | Preoperative Care | 2 | 6 | 114 | 277 |
| 785 | perioperative care | 2 | 6 | 113 | 275 |
| 785 | Well-being | 1 | 6 | 324 | 510 |
| 785 | Mutagenesis | 1 | 6 | 770 | 1133 |
| 785 | Human Capital | 1 | 6 | 448 | 693 |
| 785 | Art | 2 | 6 | 436 | 406 |
| 785 | social justice | 1 | 6 | 656 | 753 |
| 785 | Religion and Culture | 1 | 6 | 544 | 674 |
| 785 | Ferroelectricity | 1 | 6 | 1389 | 1505 |
| 785 | teratogenic agents | 1 | 6 | 465 | 756 |
| 785 | Sound | 1 | 6 | 1518 | 1697 |
| 785 | Humanitarian Assistance | 1 | 6 | 63 | 106 |
| 785 | design | 2 | 6 | 308 | 470 |
| 785 | Paleobotany | 1 | 6 | 303 | 469 |
| 785 | Vegetation dynamics | 1 | 6 | 283 | 446 |
| 785 | Yeast | 1 | 6 | 640 | 922 |
| 785 | economic development projects | 1 | 6 | 376 | 623 |
| 785 | biological monitoring | 1 | 6 | 840 | 1276 |
| 785 | Ultrasound | 1 | 6 | 1047 | 1455 |
| 785 | Stress | 1 | 6 | 538 | 845 |
| 785 | Radio frequency | 1 | 6 | 680 | 956 |
| 785 | silicon | 1 | 6 | 653 | 894 |
| 785 | Chronic diseases | 1 | 6 | 805 | 1117 |
| 822 | Environmental Toxicology | 1 | 5 | 2831 | 3552 |
| 822 | Feminist criticism | 1 | 5 | 265 | 388 |
| 822 | Smoking | 2 | 5 | 754 | 1395 |
| 822 | Health insurance | 2 | 5 | 466 | 952 |
| 822 | environmental control | 1 | 5 | 354 | 600 |
| 822 | income | 1 | 5 | 310 | 455 |
| 822 | Input-output analysis | 1 | 5 | 419 | 594 |
| 822 | Monomers | 1 | 5 | 164 | 323 |
| 822 | Wealth | 1 | 5 | 310 | 455 |
| 822 | behavior therapy | 1 | 5 | 1063 | 1406 |
| 822 | Economic Assistance | 2 | 5 | 761 | 1450 |
| 833 | Cartography | 2 | 4 | 570 | 964 |
| 833 | Comparative Education | 1 | 4 | 454 | 716 |
| 833 | Mobile genetic elements | 1 | 4 | 201 | 384 |
| 833 | Energy Consumption | 1 | 4 | 698 | 1105 |
| 833 | Water Conservation | 1 | 4 | 170 | 334 |
| 833 | Globalization | 1 | 4 | 968 | 1406 |
| 833 | Professional ethics | 1 | 4 | 529 | 919 |
| 833 | Futures | 1 | 4 | 538 | 755 |
| 833 | Biomass | 1 | 4 | 1152 | 1723 |
| 833 | Combinatorial analysis | 1 | 4 | 1341 | 1449 |
| 833 | crops | 1 | 4 | 262 | 421 |
| 833 | family violence | 1 | 4 | 676 | 1094 |
| 833 | food industry | 1 | 4 | 1337 | 1776 |
| 833 | rehabilitation | 2 | 4 | 2131 | 3290 |
| 833 | DNA | 1 | 4 | 943 | 1293 |
| 833 | Fluorescence | 2 | 4 | 606 | 1229 |
| 833 | Educational evaluation | 1 | 4 | 344 | 507 |
| 833 | Immunity | 1 | 4 | 1845 | 2467 |
| 833 | Aquatic ecology | 1 | 4 | 1283 | 1652 |
| 852 | Pediatric Dermatology | 1 | 3 | 589 | 805 |
| 852 | Geometry | 1 | 3 | 1531 | 1653 |
| 852 | Seismology | 1 | 3 | 688 | 950 |
| 852 | Development Economics | 1 | 3 | 722 | 1080 |
| 852 | Astrophysics | 1 | 3 | 3033 | 3523 |
| 852 | Palliative Care | 1 | 3 | 1196 | 1625 |
| 852 | Physical Chemistry | 1 | 3 | 2538 | 3127 |
| 852 | Telemedicine | 1 | 3 | 631 | 1077 |
| 852 | Human Rights | 1 | 3 | 929 | 1272 |
| 852 | economic forecasting | 1 | 3 | 564 | 845 |
| 852 | Geographic information systems | 1 | 3 | 1669 | 2252 |
| 852 | Sustainable agriculture | 1 | 3 | 1185 | 1761 |
| 852 | hospice care | 1 | 3 | 833 | 1267 |
| 852 | civil rights | 1 | 3 | 670 | 957 |
| 852 | Climate change | 1 | 3 | 1261 | 1836 |
| 852 | Political Participation | 1 | 3 | 556 | 784 |
| 852 | Citizenship | 1 | 3 | 299 | 522 |
| 852 | Physical fitness | 1 | 3 | 1390 | 1847 |
| 852 | Earthquakes | 1 | 3 | 559 | 817 |
| 852 | Communist countries | 1 | 3 | 409 | 606 |
| 852 | Enzyme | 2 | 3 | 635 | 1344 |
| 852 | Iron | 1 | 3 | 485 | 711 |
| 852 | Methodology | 2 | 3 | 655 | 1304 |
| 852 | Petroleum | 1 | 3 | 432 | 659 |
| 852 | North Africa | 1 | 3 | 356 | 461 |
| 852 | Archives | 1 | 3 | 171 | 196 |
| 852 | Refractory materials | 1 | 3 | 269 | 357 |
| 852 | Development | 1 | 3 | 1141 | 1629 |
| 852 | Securities industry | 1 | 3 | 59 | 136 |
| 852 | financial instruments | 1 | 3 | 47 | 116 |
| 852 | enzymes | 2 | 3 | 1516 | 2549 |
| 852 | Choreography | 1 | 3 | 36 | 29 |
| 884 | Visual Communication | 1 | 2 | 830 | 1195 |
| 884 | Total Quality Management | 1 | 2 | 1005 | 1531 |
| 884 | Sleep Disorders | 1 | 2 | 1750 | 2229 |
| 884 | soil management | 1 | 2 | 854 | 1280 |
| 884 | Bioethics | 1 | 2 | 1291 | 1758 |
| 884 | Sonochemistry | 1 | 2 | 1044 | 1614 |
| 884 | breastfeeding | 1 | 2 | 796 | 1202 |
| 884 | Therapeutics | 1 | 2 | 1813 | 2528 |
| 884 | nation-building | 1 | 2 | 75 | 186 |
| 884 | pharmaceutical industry | 1 | 2 | 937 | 1452 |
| 884 | Brain damage | 1 | 2 | 623 | 1000 |
| 884 | international cooperation | 1 | 2 | 957 | 1394 |
| 884 | Exercise | 1 | 2 | 2040 | 2538 |
| 884 | Sleep | 1 | 2 | 1798 | 2281 |
| 898 | Nuclear Medicine | 1 | 1 | 1148 | 1499 |
| 898 | Telecommunications | 2 | 1 | 957 | 1861 |
| 898 | Educational Technology | 1 | 1 | 2366 | 3394 |
| 898 | Brain-Computer Interfaces | 1 | 1 | 106 | 236 |
| 898 | Pesticide residues | 1 | 1 | 152 | 418 |
| 898 | Medical Ethics | 1 | 1 | 1509 | 2123 |
| 898 | Food additives | 1 | 1 | 1561 | 2252 |
| 898 | Romanticism | 1 | 1 | 327 | 340 |
| 898 | food contamination | 1 | 1 | 1606 | 2292 |
| 898 | Substance Abuse | 1 | 1 | 1686 | 2380 |
| 898 | Critical theory | 1 | 1 | 354 | 541 |
| 898 | Human Security | 1 | 1 | 34 | 114 |
| 898 | Urban Anthropology | 1 | 1 | 365 | 655 |
| 898 | Semiotics | 1 | 1 | 669 | 864 |
| 898 | nucleic acids | 2 | 1 | 1440 | 2365 |
| 898 | civilization | 1 | 1 | 1454 | 1604 |
| 898 | Hospitals | 1 | 1 | 532 | 874 |
| 898 | nucleotides | 2 | 1 | 392 | 821 |
| 898 | Prisons | 1 | 1 | 487 | 755 |
| 898 | Endocrine system | 1 | 1 | 949 | 886 |
| 898 | Pregnancy | 1 | 1 | 1211 | 1834 |
| 919 | Civil Engineering | 1 | 0 | 2010 | 2664 |
| 919 | Chronobiology | 1 | 0 | 864 | 1399 |
| 919 | Religion and Literature | 1 | 0 | 67 | 92 |
| 919 | Criminal Law | 1 | 0 | 439 | 666 |
| 919 | Clinical Pharmacology | 1 | 0 | 1608 | 2270 |
| 919 | Morphology | 1 | 0 | 1306 | 1791 |
| 919 | Information Retrieval | 1 | 0 | 800 | 1320 |
| 919 | Metallurgy | 1 | 0 | 2555 | 3272 |
| 919 | Radiation Protection | 1 | 0 | 973 | 1420 |
| 919 | Developmental Biology | 1 | 0 | 2156 | 3044 |
| 919 | Circadian rhythms | 1 | 0 | 667 | 1120 |
| 919 | biological clocks | 1 | 0 | 864 | 1399 |
| 919 | Photogrammetry | 1 | 0 | 1307 | 1823 |
| 919 | Neurotransmitters | 1 | 0 | 752 | 931 |
| 919 | Moral Education | 1 | 0 | 276 | 568 |
| 919 | Social Media | 1 | 0 | 218 | 449 |
| 919 | Molecular Spectroscopy | 1 | 0 | 2239 | 2941 |
| 919 | Molecules | 2 | 0 | 1597 | 2539 |
| 919 | regional security | 1 | 0 | 123 | 287 |
| 919 | France | 2 | 0 | 483 | 914 |
| 919 | press | 1 | 0 | 230 | 432 |
| 919 | circadian rhythm | 1 | 0 | 864 | 1399 |
| 919 | biological rhythms | 1 | 0 | 830 | 1359 |
| 919 | Cell death | 1 | 0 | 1255 | 1778 |
| 919 | crime victims | 1 | 0 | 312 | 640 |
| 919 | disaster relief | 1 | 0 | 415 | 822 |
| 919 | Literacy | 1 | 0 | 509 | 816 |
| 919 | Written communication | 1 | 0 | 214 | 408 |
| 919 | Aggression | 1 | 0 | 748 | 1297 |
| 919 | Chemical reactors | 1 | 0 | 347 | 674 |
| 919 | women | 1 | 0 | 1350 | 2023 |
| 919 | regional cooperation | 1 | 0 | 122 | 287 |