| 1 | Ecology | 516 | 34.0K | 306 | 268 |
| 2 | Biology | 271 | 23.4K | 1180 | 1062 |
| 3 | Science | 350 | 23.0K | 965 | 1122 |
| 4 | Chemistry | 219 | 16.3K | 1573 | 1065 |
| 5 | Pollution | 246 | 13.4K | 399 | 405 |
| 6 | Physics | 109 | 13.2K | 2439 | 1747 |
| 7 | Environment | 155 | 12.1K | 570 | 521 |
| 8 | Environmental Health | 205 | 11.0K | 424 | 373 |
| 9 | Molecular Biology | 142 | 10.6K | 1585 | 1166 |
| 10 | Natural history | 77 | 10.3K | 747 | 1152 |
| 11 | Neurology | 159 | 9.4K | 1005 | 897 |
| 12 | Biochemistry | 281 | 9.3K | 1297 | 1357 |
| 13 | Medicine | 320 | 9.1K | 1127 | 1549 |
| 14 | Meteorology | 196 | 9.0K | 212 | 225 |
| 15 | Psychology | 273 | 8.6K | 365 | 419 |
| 16 | Electrochemistry | 189 | 8.4K | 404 | 236 |
| 17 | Research | 240 | 8.1K | 1056 | 1078 |
| 18 | Geology | 192 | 8.0K | 335 | 277 |
| 19 | Earth Sciences | 83 | 7.1K | 526 | 246 |
| 20 | Toxicology | 179 | 6.9K | 463 | 439 |
| 21 | Cytology | 80 | 6.8K | 1078 | 925 |
| 22 | Social Psychology | 123 | 6.7K | 204 | 193 |
| 23 | Biodiversity conservation | 61 | 6.5K | 276 | 231 |
| 24 | environmental pollution | 144 | 6.0K | 446 | 454 |
| 25 | Climatology | 140 | 5.9K | 167 | 218 |
| 26 | Evolution | 36 | 5.7K | 540 | 230 |
| 27 | management | 132 | 5.6K | 349 | 405 |
| 28 | Botany | 72 | 5.6K | 987 | 646 |
| 29 | Ecosystem management | 32 | 5.5K | 92 | 15 |
| 30 | Behavior | 116 | 5.3K | 392 | 413 |
| 31 | Plant Ecology | 82 | 5.2K | 184 | 141 |
| 32 | Forest Ecology | 138 | 5.2K | 43 | 55 |
| 33 | Forest Management | 139 | 5.2K | 47 | 57 |
| 34 | Electronics | 44 | 5.1K | 1046 | 216 |
| 35 | Climate change | 45 | 5.0K | 178 | 221 |
| 35 | Eutrophication | 45 | 5.0K | 172 | 219 |
| 37 | Oceanography | 95 | 4.9K | 289 | 239 |
| 38 | United States | 227 | 4.8K | 409 | 539 |
| 39 | Child Development | 127 | 4.6K | 179 | 220 |
| 40 | biological evolution | 42 | 4.4K | 541 | 370 |
| 41 | Psychiatry | 158 | 4.3K | 560 | 855 |
| 42 | Psychophysiology | 128 | 4.3K | 410 | 498 |
| 43 | ecosystem | 64 | 4.2K | 115 | 112 |
| 44 | Geophysics | 134 | 4.2K | 650 | 703 |
| 45 | Emotions | 37 | 4.2K | 75 | 23 |
| 46 | Brain | 126 | 4.1K | 381 | 481 |
| 47 | Child psychology | 105 | 3.9K | 170 | 248 |
| 48 | Animal Behavior | 107 | 3.9K | 235 | 295 |
| 49 | Astronomy | 48 | 3.8K | 1095 | 859 |
| 50 | Mathematics | 194 | 3.7K | 912 | 621 |
| 51 | Public Health | 172 | 3.7K | 641 | 938 |
| 52 | Neuropsychology | 114 | 3.6K | 240 | 297 |
| 53 | Developmental Psychology | 95 | 3.6K | 86 | 127 |
| 53 | Mental Disorders | 110 | 3.6K | 407 | 597 |
| 55 | Microbiology | 74 | 3.6K | 1810 | 1764 |
| 56 | Ethology | 90 | 3.5K | 202 | 261 |
| 57 | Neurophysiology | 102 | 3.4K | 531 | 748 |
| 58 | Environmental Toxicology | 50 | 3.4K | 397 | 265 |
| 59 | Geochemistry | 81 | 3.4K | 389 | 400 |
| 60 | Biophysics | 111 | 3.3K | 1241 | 1201 |
| 61 | motivation | 28 | 3.2K | 27 | 7 |
| 61 | Emotion | 28 | 3.2K | 5 | 5 |
| 63 | Animal ecology | 69 | 3.2K | 138 | 132 |
| 64 | Cognition | 104 | 3.0K | 189 | 268 |
| 65 | Educational Psychology | 69 | 3.0K | 181 | 154 |
| 66 | Aging | 93 | 3.0K | 461 | 445 |
| 67 | Biogeography | 35 | 3.0K | 183 | 140 |
| 68 | Project Management | 48 | 2.9K | 8 | 13 |
| 69 | Pharmacology | 62 | 2.9K | 1604 | 1226 |
| 70 | Materials | 39 | 2.9K | 2378 | 1529 |
| 71 | Vocational guidance | 17 | 2.8K | 335 | 106 |
| 72 | Economics | 209 | 2.8K | 404 | 628 |
| 73 | Microbial Ecology | 42 | 2.8K | 601 | 576 |
| 74 | plant communities | 44 | 2.7K | 187 | 176 |
| 75 | Environmental monitoring | 74 | 2.6K | 570 | 701 |
| 76 | Business | 38 | 2.6K | 509 | 380 |
| 77 | Europe | 60 | 2.6K | 683 | 354 |
| 78 | Operations Research | 73 | 2.6K | 323 | 280 |
| 79 | Social Sciences | 199 | 2.6K | 202 | 302 |
| 80 | Cell Biology | 51 | 2.6K | 1341 | 1601 |
| 81 | Surface Chemistry | 49 | 2.5K | 1117 | 798 |
| 82 | Environmental Engineering | 54 | 2.5K | 794 | 738 |
| 83 | Biotechnology | 59 | 2.5K | 1730 | 1770 |
| 84 | Information Technology | 34 | 2.4K | 519 | 147 |
| 85 | Biogeochemical cycles | 23 | 2.4K | 124 | 101 |
| 86 | child abuse | 70 | 2.4K | 60 | 99 |
| 87 | Biodiversity | 47 | 2.3K | 443 | 401 |
| 88 | Zoology | 39 | 2.3K | 807 | 332 |
| 89 | Environmental pollutants | 55 | 2.2K | 314 | 287 |
| 90 | Planets | 50 | 2.2K | 501 | 521 |
| 91 | personality | 40 | 2.2K | 341 | 313 |
| 92 | Biogeochemistry | 45 | 2.2K | 234 | 277 |
| 93 | Sociology | 144 | 2.1K | 254 | 460 |
| 94 | Transportation | 33 | 2.0K | 437 | 247 |
| 95 | environmental protection | 53 | 2.0K | 627 | 657 |
| 96 | pollutants | 47 | 2.0K | 290 | 269 |
| 97 | Environmental Policy | 46 | 2.0K | 710 | 798 |
| 98 | Sports Medicine | 46 | 1.9K | 661 | 453 |
| 99 | Nanotechnology | 34 | 1.9K | 1989 | 1598 |
| 100 | Nervous system | 46 | 1.9K | 662 | 757 |
| 101 | Environmental Management | 34 | 1.9K | 753 | 625 |
| 102 | rehabilitation | 67 | 1.9K | 323 | 379 |
| 103 | Organic Chemistry | 41 | 1.8K | 1091 | 785 |
| 104 | Neurochemistry | 33 | 1.8K | 885 | 714 |
| 105 | Sleep Disorders | 57 | 1.8K | 341 | 335 |
| 106 | Adolescent | 80 | 1.8K | 277 | 323 |
| 107 | Plants | 13 | 1.8K | 1193 | 594 |
| 108 | Sleep | 55 | 1.8K | 350 | 341 |
| 109 | Post-traumatic stress disorder | 44 | 1.8K | 88 | 100 |
| 110 | Paleoclimatology | 55 | 1.7K | 149 | 198 |
| 111 | Entomology | 65 | 1.7K | 447 | 338 |
| 112 | Sports | 43 | 1.7K | 525 | 369 |
| 113 | Hydrology | 65 | 1.7K | 428 | 512 |
| 114 | Linguistics | 129 | 1.7K | 88 | 168 |
| 115 | Child | 42 | 1.7K | 658 | 448 |
| 116 | sanitation | 24 | 1.7K | 556 | 587 |
| 117 | Conservation Biology | 7 | 1.6K | 844 | 235 |
| 118 | Analytical Chemistry | 36 | 1.6K | 1717 | 1328 |
| 119 | Leadership | 6 | 1.6K | 313 | 89 |
| 120 | Physiology | 52 | 1.6K | 1293 | 1394 |
| 120 | violence | 70 | 1.6K | 78 | 131 |
| 122 | Meteorites | 28 | 1.6K | 386 | 381 |
| 123 | psychotherapy | 39 | 1.6K | 328 | 333 |
| 124 | Epidemiology | 57 | 1.6K | 941 | 1058 |
| 125 | Environmental Chemistry | 41 | 1.5K | 402 | 633 |
| 126 | marketing | 36 | 1.5K | 459 | 455 |
| 127 | Paleontology | 30 | 1.5K | 418 | 220 |
| 128 | human behavior | 41 | 1.5K | 609 | 850 |
| 129 | Gerontology | 63 | 1.5K | 355 | 325 |
| 130 | System analysis | 38 | 1.5K | 576 | 350 |
| 131 | Mineralogy | 33 | 1.4K | 434 | 336 |
| 132 | Biomedical Engineering | 27 | 1.4K | 2026 | 1393 |
| 133 | soil microbiology | 36 | 1.4K | 359 | 499 |
| 134 | Obesity | 28 | 1.4K | 752 | 637 |
| 135 | Information Science | 34 | 1.4K | 560 | 465 |
| 136 | Mental illness | 54 | 1.4K | 416 | 739 |
| 137 | Organizational Behavior | 8 | 1.4K | 354 | 134 |
| 138 | forestry | 57 | 1.4K | 18 | 24 |
| 139 | Colloids | 30 | 1.4K | 1457 | 1266 |
| 140 | Geriatrics | 68 | 1.4K | 611 | 740 |
| 141 | Nutrition | 31 | 1.4K | 1719 | 1450 |
| 142 | Genetics | 38 | 1.4K | 1415 | 1787 |
| 143 | Plant physiology | 28 | 1.3K | 759 | 751 |
| 144 | Electrochemical Analysis | 27 | 1.3K | 431 | 233 |
| 145 | Suicide | 46 | 1.3K | 38 | 54 |
| 146 | Physical Chemistry | 13 | 1.3K | 1344 | 672 |
| 147 | Statistics | 81 | 1.3K | 447 | 596 |
| 148 | Business Ethics | 22 | 1.3K | 216 | 238 |
| 149 | Psycholinguistics | 42 | 1.3K | 175 | 233 |
| 150 | Neurotoxicology | 24 | 1.3K | 68 | 51 |
| 151 | Intellectual disability | 39 | 1.2K | 150 | 144 |
| 152 | adolescence | 61 | 1.2K | 97 | 200 |
| 153 | Molecular Genetics | 22 | 1.2K | 853 | 679 |
| 154 | Education | 258 | 1.2K | 232 | 670 |
| 155 | Environmental Microbiology | 18 | 1.2K | 515 | 459 |
| 155 | Petrology | 25 | 1.2K | 369 | 323 |
| 157 | environmental indicators | 19 | 1.2K | 289 | 159 |
| 158 | Growth | 22 | 1.2K | 500 | 587 |
| 159 | Bioorganic chemistry | 19 | 1.2K | 1394 | 921 |
| 160 | Bioengineering | 25 | 1.2K | 1853 | 1912 |
| 161 | Economic History | 139 | 1.2K | 301 | 635 |
| 162 | Cognitive Science | 24 | 1.2K | 408 | 411 |
| 163 | Water | 36 | 1.2K | 708 | 1012 |
| 164 | Occupational Health | 56 | 1.2K | 128 | 153 |
| 165 | finance | 34 | 1.1K | 631 | 489 |
| 166 | United Kingdom | 21 | 1.1K | 649 | 547 |
| 167 | Physical Geography | 16 | 1.1K | 149 | 42 |
| 168 | Social behavior | 36 | 1.1K | 237 | 318 |
| 169 | Membranes | 33 | 1.1K | 518 | 644 |
| 170 | Geobiology | 29 | 1.1K | 67 | 56 |
| 171 | Systems Analysis | 33 | 1.1K | 158 | 90 |
| 172 | human development | 30 | 1.1K | 154 | 186 |
| 173 | Virology | 41 | 1.1K | 1066 | 1940 |
| 174 | Health | 63 | 1.1K | 361 | 610 |
| 174 | Quality of life | 21 | 1.1K | 447 | 360 |
| 176 | plant molecular biology | 15 | 1.0K | 771 | 754 |
| 177 | Public Policy | 23 | 1.0K | 547 | 394 |
| 178 | Psychosomatic Medicine | 19 | 1.0K | 311 | 248 |
| 179 | environmental exposure | 24 | 1.0K | 564 | 451 |
| 180 | Water pollution | 25 | 1.0K | 1024 | 1053 |
| 181 | Reproduction | 26 | 996 | 962 | 788 |
| 182 | Artificial Intelligence | 64 | 995 | 715 | 1051 |
| 182 | occupational diseases | 28 | 995 | 208 | 193 |
| 184 | Combinatorial analysis | 69 | 987 | 102 | 98 |
| 185 | Pharmaceutical Chemistry | 29 | 973 | 1620 | 1674 |
| 186 | Marriage | 28 | 970 | 82 | 66 |
| 186 | Marriage counseling | 28 | 970 | 42 | 38 |
| 188 | Molecular ecology | 16 | 956 | 529 | 539 |
| 189 | Nanostructured Materials | 26 | 955 | 1366 | 1252 |
| 190 | Biocompatible Materials | 29 | 949 | 1526 | 1888 |
| 191 | Sexual health | 27 | 945 | 187 | 131 |
| 192 | consumer behavior | 8 | 941 | 270 | 119 |
| 193 | Cell differentiation | 11 | 934 | 1192 | 1003 |
| 194 | International Finance | 32 | 931 | 358 | 360 |
| 195 | Diet | 18 | 930 | 1011 | 917 |
| 196 | Plant cells | 6 | 927 | 976 | 780 |
| 197 | Chemical Engineering | 19 | 926 | 2415 | 2017 |
| 198 | Nuclear Physics | 42 | 919 | 1811 | 1808 |
| 199 | Developmental Disabilities | 35 | 900 | 224 | 354 |
| 200 | Geomorphology | 35 | 893 | 309 | 463 |
| 200 | Optical materials | 9 | 893 | 1884 | 1129 |
| 202 | Marine Biology | 31 | 891 | 972 | 1003 |
| 203 | Mental Health | 83 | 890 | 136 | 328 |
| 204 | Socialization | 22 | 887 | 111 | 126 |
| 205 | Neurobiology | 21 | 885 | 869 | 984 |
| 206 | Clinical Psychology | 26 | 878 | 517 | 667 |
| 207 | Paleoecology | 31 | 877 | 261 | 330 |
| 207 | Paleogeography | 31 | 877 | 213 | 297 |
| 209 | Endocrinology | 22 | 871 | 1579 | 1698 |
| 210 | Population Genetics | 19 | 867 | 523 | 555 |
| 211 | family violence | 30 | 859 | 47 | 58 |
| 212 | Ore deposits | 21 | 853 | 139 | 123 |
| 213 | Computational Biology | 29 | 845 | 908 | 1129 |
| 214 | Technology | 71 | 843 | 753 | 1298 |
| 215 | paraphilias | 20 | 840 | 17 | 21 |
| 216 | Polymers | 32 | 839 | 1964 | 1857 |
| 217 | Developing countries | 43 | 836 | 419 | 620 |
| 218 | Cerebral cortex | 14 | 834 | 471 | 404 |
| 219 | Wildlife conservation | 15 | 809 | 539 | 530 |
| 220 | Agriculture | 14 | 808 | 1194 | 712 |
| 221 | Communication | 81 | 807 | 243 | 496 |
| 222 | Fisheries | 27 | 806 | 574 | 540 |
| 223 | Landscape Ecology | 15 | 804 | 125 | 126 |
| 224 | Medical Anthropology | 28 | 797 | 328 | 516 |
| 225 | Soil Science | 27 | 791 | 568 | 646 |
| 226 | biological invasions | 14 | 790 | 205 | 110 |
| 226 | freshwater biology | 17 | 790 | 322 | 237 |
| 228 | Genetic engineering | 12 | 788 | 1297 | 956 |
| 229 | Geography | 57 | 785 | 437 | 731 |
| 230 | Atmospheric Physics | 30 | 780 | 598 | 716 |
| 231 | Traffic Engineering | 10 | 777 | 173 | 88 |
| 232 | drug addiction | 14 | 771 | 590 | 460 |
| 232 | alcoholism | 14 | 771 | 801 | 567 |
| 234 | Catalysis | 17 | 761 | 2032 | 1849 |
| 235 | Job satisfaction | 6 | 752 | 43 | 35 |
| 235 | Work | 6 | 752 | 216 | 45 |
| 235 | job stress | 6 | 752 | 43 | 35 |
| 238 | Therapeutics | 12 | 744 | 1133 | 883 |
| 238 | city planning | 29 | 744 | 414 | 398 |
| 240 | Econometrics | 29 | 731 | 384 | 416 |
| 241 | Materials Science | 24 | 727 | 2265 | 2247 |
| 242 | Neurolinguistics | 18 | 725 | 105 | 125 |
| 243 | Political Science | 49 | 720 | 405 | 442 |
| 244 | global environmental change | 9 | 707 | 499 | 367 |
| 245 | Agricultural Ecology | 12 | 704 | 532 | 498 |
| 246 | Metabolism | 19 | 700 | 1570 | 1734 |
| 247 | Quantum Gravity | 31 | 683 | 978 | 1056 |
| 248 | Speech Disorders | 30 | 682 | 293 | 344 |
| 249 | Labor Economics | 13 | 675 | 158 | 95 |
| 250 | Ergonomics | 31 | 664 | 274 | 256 |
| 251 | Soil biology | 16 | 663 | 410 | 510 |
| 252 | Cancer | 28 | 662 | 1671 | 2201 |
| 253 | nanoscience | 10 | 661 | 1985 | 1521 |
| 254 | Sustainable Development | 13 | 656 | 968 | 733 |
| 254 | Economic Development | 24 | 656 | 523 | 707 |
| 256 | Plant genetic engineering | 9 | 651 | 561 | 406 |
| 257 | nucleic acids | 8 | 649 | 1416 | 1207 |
| 258 | Solid State Physics | 8 | 647 | 3021 | 1731 |
| 259 | polymerization | 19 | 638 | 2112 | 1777 |
| 260 | Health Policy | 29 | 637 | 749 | 885 |
| 261 | viruses | 24 | 635 | 630 | 977 |
| 262 | Radiation | 20 | 633 | 919 | 672 |
| 263 | Stem cells | 8 | 631 | 1316 | 836 |
| 264 | Hematology | 9 | 629 | 2833 | 1777 |
| 265 | organization | 14 | 615 | 311 | 397 |
| 266 | Information Systems | 18 | 609 | 434 | 391 |
| 267 | Mass Spectrometry | 20 | 604 | 485 | 460 |
| 268 | Bioinformatics | 23 | 602 | 768 | 1060 |
| 269 | Speech | 24 | 594 | 249 | 326 |
| 270 | Genetic regulation | 9 | 593 | 793 | 749 |
| 270 | foreign exchange | 10 | 593 | 128 | 93 |
| 270 | behavior modification | 9 | 593 | 235 | 208 |
| 273 | Cross-Cultural Studies | 20 | 590 | 99 | 102 |
| 274 | Biochemical Engineering | 18 | 588 | 1590 | 2397 |
| 275 | industrial hygiene | 34 | 587 | 190 | 169 |
| 276 | atmospheric models | 13 | 577 | 384 | 400 |
| 277 | language | 28 | 568 | 178 | 262 |
| 278 | Molecular structure | 4 | 564 | 2707 | 1091 |
| 279 | Geodynamics | 24 | 561 | 269 | 386 |
| 280 | Learning | 20 | 558 | 503 | 577 |
| 280 | behavior therapy | 20 | 558 | 312 | 363 |
| 282 | carcinogens | 10 | 553 | 589 | 485 |
| 283 | innovation | 8 | 551 | 342 | 361 |
| 284 | Medical Oncology | 8 | 549 | 1730 | 1095 |
| 284 | Family | 32 | 549 | 205 | 301 |
| 286 | Physical Therapy | 12 | 545 | 739 | 632 |
| 287 | Happiness | 12 | 543 | 81 | 80 |
| 287 | Youth | 24 | 543 | 153 | 270 |
| 289 | economic policy | 40 | 542 | 561 | 666 |
| 289 | cloning | 5 | 542 | 651 | 477 |
| 291 | Software Engineering | 21 | 541 | 277 | 211 |
| 292 | Sports Psychology | 2 | 540 | 158 | 31 |
| 292 | children | 5 | 540 | 450 | 181 |
| 294 | Adolescent Psychology | 35 | 539 | 149 | 363 |
| 295 | child behavior | 5 | 538 | 325 | 162 |
| 296 | Aquatic ecology | 20 | 537 | 259 | 292 |
| 297 | Forensic Psychiatry | 13 | 536 | 238 | 123 |
| 298 | drug therapy | 5 | 531 | 2469 | 1321 |
| 299 | Biosensors | 6 | 528 | 1014 | 779 |
| 299 | Bioelectronics | 6 | 528 | 852 | 690 |
| 301 | Auditing | 6 | 526 | 247 | 106 |
| 302 | Plant diseases | 24 | 524 | 784 | 803 |
| 303 | Environmental Law | 14 | 523 | 459 | 764 |
| 303 | research and development | 7 | 523 | 135 | 75 |
| 305 | Pediatrics | 18 | 520 | 1371 | 1670 |
| 306 | counseling | 25 | 518 | 441 | 495 |
| 307 | Human genetics | 1 | 516 | 4070 | 2856 |
| 308 | Cybernetics | 23 | 510 | 385 | 486 |
| 308 | government | 43 | 510 | 99 | 180 |
| 310 | Pediatric Neurology | 5 | 508 | 1055 | 963 |
| 311 | behavioral medicine | 24 | 507 | 381 | 692 |
| 312 | medical education | 8 | 504 | 1430 | 678 |
| 313 | child sexual abuse | 25 | 499 | 1 | 3 |
| 314 | Hydrometeorology | 13 | 498 | 81 | 143 |
| 315 | Qualitative Research | 12 | 494 | 196 | 137 |
| 316 | sex crimes | 36 | 492 | 75 | 160 |
| 317 | Cognitive Therapy | 18 | 490 | 193 | 213 |
| 318 | pain | 6 | 489 | 1275 | 865 |
| 319 | Health Services Research | 15 | 487 | 823 | 689 |
| 319 | Regional Planning | 30 | 487 | 433 | 586 |
| 321 | atmosphere | 31 | 486 | 127 | 286 |
| 322 | Family Therapy | 25 | 484 | 183 | 207 |
| 323 | miniaturization | 4 | 483 | 1933 | 1201 |
| 324 | Educational Sociology | 8 | 482 | 151 | 32 |
| 325 | Radiation effects | 5 | 481 | 496 | 232 |
| 326 | Radiology | 13 | 477 | 973 | 579 |
| 327 | Nonverbal Communication | 3 | 474 | 203 | 58 |
| 327 | Body language | 3 | 474 | 94 | 25 |
| 329 | cosmic rays | 12 | 473 | 227 | 105 |
| 329 | Anxiety Disorders | 7 | 473 | 367 | 375 |
| 329 | Anxiety | 7 | 473 | 364 | 377 |
| 332 | Paleoceanography | 10 | 472 | 100 | 144 |
| 333 | commerce | 10 | 467 | 906 | 648 |
| 334 | Plant Genetics | 8 | 461 | 464 | 460 |
| 335 | Bibliometrics | 9 | 459 | 43 | 38 |
| 335 | computer networks | 23 | 459 | 817 | 921 |
| 337 | Data Mining | 11 | 453 | 816 | 787 |
| 338 | Environmental Geology | 19 | 450 | 493 | 652 |
| 339 | Microorganisms | 3 | 449 | 1491 | 845 |
| 340 | Computational Linguistics | 7 | 448 | 297 | 38 |
| 341 | Aggression | 21 | 447 | 100 | 203 |
| 342 | Substance Abuse | 13 | 445 | 797 | 675 |
| 343 | vascular diseases | 6 | 444 | 639 | 482 |
| 344 | Teaching | 17 | 442 | 707 | 562 |
| 345 | older people | 32 | 439 | 459 | 491 |
| 345 | Human Resources | 10 | 439 | 166 | 181 |
| 347 | Health Education | 25 | 438 | 659 | 799 |
| 348 | Obstetrics | 8 | 437 | 2164 | 1357 |
| 349 | International Relations | 88 | 434 | 94 | 308 |
| 350 | Mathematics Education | 17 | 431 | 102 | 73 |
| 350 | Tourism | 13 | 431 | 760 | 832 |
| 352 | Immunology | 23 | 430 | 1970 | 2880 |
| 353 | Computer Science | 14 | 426 | 1009 | 556 |
| 354 | Medical Technology | 6 | 421 | 1582 | 772 |
| 354 | food contamination | 6 | 421 | 802 | 264 |
| 356 | Latin America | 39 | 419 | 337 | 190 |
| 357 | labor | 6 | 412 | 218 | 91 |
| 357 | Respiration | 13 | 412 | 890 | 942 |
| 357 | working class | 6 | 412 | 122 | 89 |
| 360 | Cosmochemistry | 17 | 407 | 332 | 485 |
| 361 | food technology | 6 | 406 | 2200 | 1424 |
| 362 | Ethics | 17 | 401 | 334 | 238 |
| 363 | Land use | 10 | 400 | 589 | 506 |
| 363 | Metabolic diseases | 15 | 400 | 1480 | 2020 |
| 365 | Crisis Intervention | 19 | 398 | 17 | 40 |
| 366 | Carcinogenesis | 6 | 396 | 860 | 659 |
| 366 | mutagens | 6 | 396 | 709 | 595 |
| 368 | Attention | 9 | 392 | 1395 | 1094 |
| 369 | Parasitic Diseases | 8 | 391 | 1636 | 1278 |
| 369 | international trade | 7 | 391 | 439 | 225 |
| 369 | Hormones | 7 | 391 | 1109 | 878 |
| 372 | data collection | 7 | 390 | 734 | 605 |
| 373 | Parasitology | 7 | 389 | 2021 | 1235 |
| 374 | Intercultural Communication | 10 | 388 | 130 | 90 |
| 374 | role | 6 | 388 | 279 | 208 |
| 376 | Magnetic Materials | 2 | 386 | 1948 | 753 |
| 377 | Genomics | 10 | 385 | 2476 | 2288 |
| 378 | Medical Microbiology | 4 | 381 | 2671 | 1921 |
| 379 | Philosophy | 137 | 380 | 153 | 364 |
| 380 | Smoking | 9 | 377 | 487 | 457 |
| 381 | Parasites | 6 | 374 | 1400 | 746 |
| 381 | Decision making | 6 | 374 | 1180 | 683 |
| 383 | Food Preservation | 2 | 372 | 1124 | 157 |
| 384 | free radicals | 15 | 371 | 742 | 1116 |
| 384 | Autism | 15 | 371 | 287 | 429 |
| 386 | Food | 11 | 370 | 2032 | 1920 |
| 387 | mathematical analysis | 19 | 369 | 1236 | 906 |
| 388 | Distance Education | 2 | 368 | 690 | 110 |
| 389 | Community Psychiatry | 14 | 367 | 460 | 563 |
| 390 | air quality management | 3 | 366 | 604 | 193 |
| 391 | Child welfare | 18 | 362 | 380 | 442 |
| 392 | Microelectronics | 2 | 361 | 2516 | 1193 |
| 392 | Industrial Policy | 26 | 361 | 48 | 195 |
| 394 | Experimental Psychology | 5 | 359 | 477 | 301 |
| 394 | Learning disabilities | 21 | 359 | 254 | 331 |
| 394 | sexual behavior | 36 | 359 | 83 | 328 |
| 397 | cell physiology | 4 | 348 | 1738 | 1305 |
| 397 | Exercise | 15 | 348 | 585 | 569 |
| 399 | indoor air pollution | 1 | 343 | 901 | 170 |
| 399 | Ventilation | 1 | 343 | 1187 | 202 |
| 399 | Product life cycle | 5 | 343 | 241 | 174 |
| 399 | Sick building syndrome | 1 | 343 | 901 | 170 |
| 399 | green products | 5 | 343 | 215 | 172 |
| 404 | disabilities | 22 | 341 | 168 | 299 |
| 405 | Information Theory | 8 | 335 | 805 | 518 |
| 406 | Physical organic chemistry | 7 | 333 | 1072 | 676 |
| 407 | Carbon | 5 | 332 | 1250 | 1032 |
| 408 | Diabetes mellitus | 11 | 330 | 1476 | 1911 |
| 409 | clay | 6 | 326 | 566 | 450 |
| 410 | economic conditions | 61 | 324 | 42 | 274 |
| 411 | Birds | 15 | 323 | 618 | 514 |
| 412 | Developmental Biology | 9 | 320 | 1517 | 1802 |
| 413 | genome | 12 | 319 | 914 | 1587 |
| 414 | Sales management | 1 | 318 | 404 | 218 |
| 414 | selling | 1 | 318 | 404 | 218 |
| 416 | Mathematical Physics | 21 | 316 | 1414 | 1423 |
| 417 | Technological Innovations | 11 | 313 | 418 | 441 |
| 418 | Geomagnetism | 14 | 312 | 352 | 364 |
| 418 | women | 7 | 312 | 533 | 172 |
| 420 | Telecommunication | 34 | 311 | 553 | 847 |
| 421 | Economic Thought | 6 | 309 | 194 | 248 |
| 422 | Energy Policy | 5 | 304 | 2409 | 2072 |
| 422 | child mental health | 13 | 304 | 160 | 175 |
| 422 | energy resources | 5 | 304 | 1184 | 1245 |
| 425 | Atmospheric Chemistry | 9 | 299 | 678 | 855 |
| 425 | Social problems | 13 | 299 | 223 | 341 |
| 427 | Knowledge | 17 | 297 | 139 | 144 |
| 428 | Environmental Psychology | 5 | 296 | 239 | 270 |
| 428 | Diabetes | 9 | 296 | 1702 | 2076 |
| 430 | Oncology | 5 | 295 | 2315 | 2368 |
| 431 | DNA | 4 | 292 | 610 | 228 |
| 432 | insurance | 17 | 289 | 98 | 122 |
| 433 | Well-being | 2 | 288 | 208 | 39 |
| 433 | Small Business | 7 | 288 | 500 | 659 |
| 433 | software | 2 | 288 | 1452 | 562 |
| 436 | Patient education | 10 | 283 | 336 | 448 |
| 436 | reforestation | 11 | 283 | 45 | 48 |
| 436 | Mass Media | 65 | 283 | 66 | 169 |
| 436 | afforestation | 11 | 283 | 45 | 48 |
| 440 | Antarctica | 13 | 282 | 215 | 161 |
| 441 | Logistics | 8 | 281 | 252 | 293 |
| 442 | cooperation | 31 | 280 | 2 | 8 |
| 443 | Anthropology | 50 | 277 | 323 | 747 |
| 443 | drugs | 6 | 277 | 2026 | 1469 |
| 445 | Renewable Energy Sources | 7 | 274 | 2046 | 2507 |
| 446 | Geochemical Modeling | 10 | 273 | 149 | 204 |
| 446 | geological modeling | 11 | 273 | 200 | 245 |
| 446 | Condensed Matter | 4 | 273 | 3456 | 2221 |
| 449 | vitamins | 1 | 272 | 389 | 72 |
| 450 | Algebra | 30 | 271 | 480 | 447 |
| 451 | Portfolio Management | 13 | 270 | 94 | 96 |
| 452 | Mining Engineering | 1 | 267 | 1148 | 272 |
| 452 | Soil Mechanics | 1 | 267 | 1954 | 700 |
| 452 | Rock Mechanics | 1 | 267 | 1600 | 553 |
| 452 | Identity | 9 | 267 | 26 | 48 |
| 452 | Self | 9 | 267 | 49 | 67 |
| 457 | Cognitive neuroscience | 5 | 266 | 876 | 849 |
| 458 | Biopharmaceutics | 8 | 264 | 818 | 812 |
| 459 | soil conservation | 5 | 263 | 643 | 437 |
| 460 | Simulation Methods | 18 | 262 | 208 | 336 |
| 461 | cross-cultural comparison | 11 | 260 | 194 | 172 |
| 462 | Industrial Engineering | 3 | 256 | 2290 | 1134 |
| 462 | Japan | 4 | 256 | 2320 | 919 |
| 464 | Agricultural Chemistry | 9 | 255 | 1683 | 1688 |
| 465 | Language Disorders | 18 | 254 | 312 | 453 |
| 465 | Second Language Acquisition | 2 | 254 | 261 | 140 |
| 465 | Production Management | 8 | 254 | 688 | 934 |
| 468 | Geriatric Medicine | 3 | 252 | 159 | 56 |
| 469 | Occupational Therapy | 27 | 248 | 260 | 334 |
| 469 | Public Administration | 28 | 248 | 393 | 646 |
| 469 | plankton | 6 | 248 | 129 | 106 |
| 472 | Clinical Chemistry | 7 | 247 | 2662 | 2550 |
| 473 | North America | 415 | 242 | 3 | 403 |
| 474 | Image Processing | 7 | 241 | 1544 | 1377 |
| 475 | Applied Linguistics | 12 | 240 | 220 | 219 |
| 476 | Urban Policy | 10 | 238 | 338 | 468 |
| 477 | industrial relations | 20 | 237 | 279 | 363 |
| 478 | individual differences | 7 | 236 | 139 | 177 |
| 479 | Optics | 11 | 235 | 3372 | 2676 |
| 479 | Lipids | 11 | 235 | 763 | 1200 |
| 481 | Pesticides | 10 | 234 | 311 | 296 |
| 482 | Industrial Safety | 21 | 231 | 309 | 637 |
| 482 | Regional Development | 17 | 231 | 41 | 152 |
| 482 | water supply | 11 | 231 | 523 | 788 |
| 485 | Embryology | 7 | 228 | 1361 | 1613 |
| 485 | Energy Conversion | 5 | 228 | 1090 | 1276 |
| 485 | Cognitive Learning | 8 | 228 | 32 | 21 |
| 488 | Social Change | 25 | 227 | 155 | 846 |
| 488 | Algae | 9 | 227 | 497 | 563 |
| 490 | land degradation | 3 | 225 | 570 | 286 |
| 490 | degradation | 3 | 225 | 570 | 286 |
| 492 | Phonetics | 8 | 223 | 169 | 172 |
| 493 | Chromosome mapping | 5 | 222 | 1847 | 1777 |
| 493 | Social work | 21 | 222 | 505 | 673 |
| 493 | gene mapping | 5 | 222 | 2067 | 2075 |
| 496 | Human Geography | 14 | 221 | 504 | 616 |
| 497 | Schizophrenia | 15 | 220 | 567 | 1019 |
| 497 | locomotion | 13 | 220 | 312 | 473 |
| 497 | posture | 13 | 220 | 312 | 473 |
| 497 | gait | 13 | 220 | 312 | 473 |
| 497 | walking | 13 | 220 | 312 | 473 |
| 502 | Pharmacokinetics | 2 | 219 | 1501 | 649 |
| 502 | Social policy | 19 | 219 | 306 | 481 |
| 504 | Humanities | 13 | 218 | 778 | 484 |
| 504 | Human-Computer Interaction | 5 | 218 | 1340 | 924 |
| 504 | dissociative disorders | 7 | 218 | 32 | 28 |
| 507 | Public Health Administration | 9 | 217 | 231 | 165 |
| 508 | Ornithology | 10 | 216 | 622 | 535 |
| 509 | Social interaction | 8 | 213 | 160 | 190 |
| 510 | Database Management | 7 | 212 | 579 | 542 |
| 511 | biological monitoring | 11 | 211 | 160 | 320 |
| 512 | cell interaction | 7 | 210 | 884 | 1051 |
| 513 | forest policy | 11 | 209 | 152 | 199 |
| 513 | China | 11 | 209 | 1768 | 1869 |
| 515 | Ecological Engineering | 6 | 208 | 447 | 547 |
| 515 | Analytical Biochemistry | 8 | 208 | 1290 | 1333 |
| 517 | Geometry | 20 | 207 | 474 | 437 |
| 517 | crime victims | 12 | 207 | 19 | 33 |
| 519 | Geriatric Psychiatry | 9 | 206 | 725 | 885 |
| 519 | Educational Technology | 20 | 206 | 455 | 878 |
| 519 | Career development | 4 | 206 | 363 | 142 |
| 522 | Numerical Analysis | 8 | 204 | 1726 | 1283 |
| 522 | health behavior | 13 | 204 | 480 | 747 |
| 522 | Photochemistry | 13 | 204 | 932 | 1322 |
| 525 | Bacteriology | 2 | 203 | 2837 | 2074 |
| 525 | Investments | 14 | 203 | 140 | 193 |
| 527 | cryosphere | 4 | 202 | 389 | 341 |
| 528 | Exercise therapy | 3 | 201 | 462 | 126 |
| 529 | Insects | 10 | 199 | 948 | 967 |
| 530 | Seaweed | 7 | 198 | 418 | 516 |
| 531 | Signal Transduction | 5 | 196 | 1346 | 1465 |
| 531 | Australia | 22 | 196 | 646 | 1142 |
| 533 | Food Microbiology | 2 | 195 | 1884 | 1283 |
| 534 | Systems Biology | 7 | 193 | 1264 | 1282 |
| 534 | Comparative Psychology | 4 | 193 | 108 | 137 |
| 536 | Topology | 16 | 192 | 101 | 106 |
| 537 | History of Medicine | 61 | 191 | 35 | 89 |
| 537 | Virtual reality | 2 | 191 | 543 | 184 |
| 537 | Psychiatric Epidemiology | 5 | 191 | 448 | 496 |
| 540 | Actuarial Science | 16 | 190 | 72 | 133 |
| 540 | Plant Biotechnology | 1 | 190 | 1588 | 665 |
| 542 | Marine Pollution | 6 | 185 | 974 | 1140 |
| 542 | probabilities | 23 | 185 | 488 | 632 |
| 544 | Spectrum analysis | 4 | 184 | 4550 | 3591 |
| 545 | Entrepreneurship | 11 | 183 | 460 | 905 |
| 546 | Remote Sensing | 12 | 182 | 741 | 766 |
| 547 | Robotics | 4 | 181 | 1680 | 1178 |
| 547 | Fractals | 11 | 181 | 589 | 733 |
| 549 | Nanoparticles | 4 | 179 | 1964 | 1633 |
| 550 | Women's health | 10 | 178 | 762 | 968 |
| 551 | Green Chemistry | 7 | 177 | 1334 | 1794 |
| 552 | Proteomics | 5 | 176 | 1100 | 1184 |
| 552 | Lipid metabolism | 7 | 176 | 239 | 449 |
| 552 | Light | 11 | 176 | 560 | 1216 |
| 552 | Lipid | 7 | 176 | 240 | 450 |
| 556 | Game Theory | 6 | 175 | 435 | 324 |
| 556 | Political Sociology | 9 | 175 | 220 | 280 |
| 558 | libraries | 23 | 173 | 190 | 270 |
| 558 | Africa | 19 | 173 | 558 | 769 |
| 560 | Medical genetics | 7 | 172 | 2560 | 3362 |
| 560 | Statistical physics | 8 | 172 | 2880 | 2706 |
| 562 | Neuropsychiatry | 9 | 171 | 605 | 836 |
| 562 | Sustainable Engineering | 6 | 171 | 1313 | 1495 |
| 562 | Greenhouse gases | 2 | 171 | 503 | 333 |
| 565 | technical education | 1 | 170 | 1029 | 239 |
| 566 | Pharmacognosy | 2 | 169 | 2638 | 1780 |
| 566 | Cytogenetics | 4 | 169 | 1804 | 1960 |
| 566 | families | 11 | 169 | 425 | 507 |
| 569 | Development | 4 | 167 | 822 | 790 |
| 570 | Gene expression regulation | 5 | 166 | 974 | 1070 |
| 570 | Mineral resources | 1 | 166 | 1214 | 462 |
| 572 | Solitons | 9 | 165 | 560 | 714 |
| 572 | Chaos | 9 | 165 | 560 | 714 |
| 574 | Political Psychology | 6 | 163 | 228 | 296 |
| 574 | Chemical Oceanography | 3 | 163 | 350 | 368 |
| 574 | sustainability | 1 | 163 | 1746 | 915 |
| 577 | Drug design | 11 | 162 | 948 | 1628 |
| 577 | Brain damage | 7 | 162 | 275 | 371 |
| 577 | Primates | 3 | 162 | 931 | 535 |
| 580 | Medicinal plants | 2 | 158 | 2118 | 1424 |
| 581 | hazard mitigation | 6 | 157 | 641 | 730 |
| 582 | Psychopharmacology | 7 | 156 | 1405 | 1782 |
| 583 | Social Movements | 3 | 155 | 122 | 28 |
| 583 | Collective behavior | 3 | 155 | 67 | 29 |
| 583 | Cell cycle | 2 | 155 | 509 | 237 |
| 583 | cell proliferation | 2 | 155 | 570 | 254 |
| 583 | toxicity testing | 8 | 155 | 408 | 637 |
| 583 | natural disasters | 9 | 155 | 725 | 1132 |
| 583 | venom | 3 | 155 | 1065 | 643 |
| 583 | Toxins | 3 | 155 | 1183 | 712 |
| 591 | Positive Psychology | 3 | 154 | 147 | 177 |
| 592 | Molecular evolution | 2 | 153 | 2667 | 1815 |
| 592 | Consciousness | 7 | 153 | 281 | 380 |
| 594 | curriculum evaluation | 5 | 152 | 234 | 189 |
| 594 | Documentation | 1 | 152 | 786 | 225 |
| 596 | Pensions | 1 | 151 | 86 | 15 |
| 596 | retirement income | 1 | 151 | 86 | 15 |
| 598 | Antibacterial agents | 1 | 150 | 1597 | 744 |
| 598 | health services | 9 | 150 | 677 | 855 |
| 598 | Culture | 10 | 150 | 567 | 492 |
| 601 | health planning | 11 | 149 | 1223 | 1678 |
| 602 | Depression | 3 | 148 | 411 | 546 |
| 602 | taxation | 6 | 148 | 131 | 152 |
| 602 | Social Issues | 10 | 148 | 91 | 207 |
| 605 | Systems Engineering | 13 | 147 | 1036 | 1378 |
| 605 | movement | 5 | 147 | 224 | 271 |
| 605 | synthesis | 2 | 147 | 1545 | 539 |
| 608 | Corporate governance | 14 | 146 | 110 | 451 |
| 608 | Physical fitness | 12 | 146 | 531 | 939 |
| 610 | Primary health care | 10 | 145 | 1136 | 1518 |
| 611 | Chemical analysis | 5 | 142 | 1132 | 1101 |
| 612 | Ophthalmology | 6 | 140 | 1635 | 1795 |
| 612 | Biomass Energy | 4 | 140 | 2565 | 2718 |
| 614 | Cardiovascular diseases | 7 | 139 | 1358 | 1492 |
| 615 | Palliative Care | 7 | 137 | 711 | 737 |
| 616 | Philosophy of Mind | 3 | 136 | 253 | 127 |
| 616 | Quality Control | 1 | 136 | 3606 | 1636 |
| 616 | Socioeconomic Factors | 4 | 136 | 768 | 689 |
| 616 | food handling | 1 | 136 | 1806 | 979 |
| 616 | educational planning | 2 | 136 | 594 | 322 |
| 621 | Algal blooms | 4 | 135 | 273 | 379 |
| 621 | Cyanobacteria | 4 | 135 | 273 | 379 |
| 621 | microalgae | 4 | 135 | 273 | 379 |
| 624 | Pharmacy | 6 | 134 | 1879 | 2078 |
| 624 | men | 6 | 134 | 145 | 188 |
| 626 | emergency management | 6 | 132 | 615 | 728 |
| 627 | Veterinary Immunology | 4 | 130 | 367 | 336 |
| 628 | Risk | 5 | 129 | 471 | 574 |
| 629 | Early Childhood Education | 12 | 128 | 246 | 345 |
| 629 | Combinatorial chemistry | 2 | 128 | 1337 | 1016 |
| 629 | Investment analysis | 11 | 128 | 276 | 622 |
| 629 | infection | 4 | 128 | 1915 | 1986 |
| 629 | Sedimentary rocks | 2 | 128 | 832 | 586 |
| 634 | Neonatology | 4 | 127 | 682 | 585 |
| 634 | Metastasis | 1 | 127 | 501 | 414 |
| 634 | Water Conservation | 9 | 127 | 24 | 59 |
| 634 | Methodology | 5 | 127 | 355 | 246 |
| 638 | Long-Term Care | 4 | 126 | 557 | 669 |
| 638 | Long-term care facilities | 4 | 126 | 554 | 668 |
| 640 | energy conservation | 5 | 125 | 1769 | 2293 |
| 640 | residential treatment | 4 | 125 | 130 | 93 |
| 642 | cell membrane | 4 | 123 | 642 | 712 |
| 643 | Nanochemistry | 7 | 122 | 814 | 966 |
| 643 | Wildlife management | 10 | 122 | 338 | 458 |
| 645 | epilepsy | 8 | 121 | 704 | 1005 |
| 645 | Radioisotopes | 6 | 121 | 1059 | 880 |
| 647 | Demography | 8 | 120 | 426 | 715 |
| 647 | embryonic development | 2 | 120 | 666 | 461 |
| 647 | Vision | 3 | 120 | 797 | 753 |
| 647 | Biomass | 2 | 120 | 964 | 885 |
| 651 | Recombinant DNA | 3 | 118 | 1983 | 1679 |
| 651 | Soil ecology | 5 | 118 | 672 | 932 |
| 653 | Pharmaceutical Technology | 5 | 117 | 1403 | 1611 |
| 654 | Criminology | 16 | 116 | 412 | 716 |
| 654 | Religion | 172 | 116 | 26 | 309 |
| 656 | Histology | 6 | 115 | 1686 | 2228 |
| 656 | Climate Change Mitigation | 1 | 115 | 116 | 124 |
| 656 | Bioinorganic chemistry | 5 | 115 | 1319 | 1390 |
| 656 | elder abuse | 10 | 115 | 133 | 303 |
| 656 | intergroup relations | 3 | 115 | 187 | 173 |
| 656 | Global warming | 1 | 115 | 354 | 135 |
| 656 | DNA methylation | 1 | 115 | 712 | 423 |
| 656 | sea level | 1 | 115 | 116 | 124 |
| 664 | Arthropods | 5 | 114 | 151 | 114 |
| 664 | Chromosomes | 3 | 114 | 1249 | 1262 |
| 664 | Memory | 8 | 114 | 1544 | 2314 |
| 667 | Asset Management | 3 | 113 | 51 | 15 |
| 667 | organizational effectiveness | 8 | 113 | 175 | 314 |
| 667 | corporate culture | 8 | 113 | 38 | 162 |
| 670 | Infections | 3 | 112 | 1562 | 1721 |
| 670 | Nonprofit organizations | 8 | 112 | 142 | 271 |
| 670 | Breeding | 1 | 112 | 2282 | 1278 |
| 673 | Stochastic Processes | 7 | 111 | 601 | 654 |
| 673 | Biofilms | 1 | 111 | 383 | 192 |
| 675 | Archaeology | 6 | 110 | 1149 | 1099 |
| 675 | Macroeconomics | 9 | 110 | 164 | 288 |
| 675 | Fire ecology | 2 | 110 | 98 | 56 |
| 675 | Virulence | 2 | 110 | 1762 | 2004 |
| 679 | Structuralism | 2 | 108 | 216 | 231 |
| 679 | Social Networks | 2 | 108 | 461 | 300 |
| 679 | Evolutionary economics | 4 | 108 | 135 | 154 |
| 679 | complementary therapies | 5 | 108 | 1917 | 1978 |
| 679 | Invertebrates | 4 | 108 | 634 | 593 |
| 679 | Population Dynamics | 4 | 108 | 152 | 181 |
| 685 | Pharmacogenetics | 2 | 107 | 1733 | 1438 |
| 685 | Language Acquisition | 11 | 107 | 174 | 383 |
| 685 | income distribution | 3 | 107 | 151 | 194 |
| 685 | Genetic therapy | 2 | 107 | 1960 | 1744 |
| 689 | Mental Health Services | 10 | 106 | 789 | 1289 |
| 689 | Animal welfare | 1 | 106 | 757 | 327 |
| 689 | brain mapping | 3 | 106 | 830 | 969 |
| 692 | Risk assessment | 3 | 105 | 728 | 447 |
| 692 | Health Risk Assessment | 3 | 105 | 539 | 345 |
| 692 | death | 8 | 105 | 120 | 178 |
| 695 | Research Design | 6 | 104 | 1062 | 1477 |
| 696 | Environmental Economics | 3 | 103 | 462 | 389 |
| 696 | Inflammation | 4 | 103 | 1398 | 1792 |
| 696 | polar regions | 8 | 103 | 433 | 662 |
| 699 | Development planning | 5 | 102 | 168 | 242 |
| 699 | environmental issues | 1 | 102 | 976 | 524 |
| 699 | Economic planning | 5 | 102 | 356 | 454 |
| 702 | Critical Care | 3 | 101 | 2176 | 2569 |
| 702 | Critical Care Medicine | 3 | 101 | 1993 | 2483 |
| 702 | ecological risk assessment | 2 | 101 | 419 | 225 |
| 702 | Futures | 10 | 101 | 112 | 264 |
| 706 | Continental shelf | 3 | 100 | 494 | 511 |
| 707 | economic forecasting | 3 | 99 | 360 | 380 |
| 707 | Forecasting | 4 | 99 | 509 | 531 |
| 707 | Ethnology | 66 | 99 | 145 | 1110 |
| 707 | drug toxicity | 3 | 99 | 517 | 532 |
| 711 | technology transfer | 3 | 97 | 286 | 303 |
| 712 | actuators | 3 | 96 | 2539 | 2630 |
| 712 | transducers | 3 | 96 | 2539 | 2630 |
| 714 | preventive medicine | 3 | 95 | 1770 | 1835 |
| 714 | Plant tissue culture | 4 | 95 | 731 | 858 |
| 714 | Plant cell culture | 4 | 95 | 652 | 846 |
| 717 | Ichthyology | 2 | 94 | 750 | 317 |
| 717 | Molecular cloning | 2 | 94 | 2280 | 1795 |
| 717 | Genetic recombination | 2 | 94 | 2243 | 1776 |
| 717 | Fish | 2 | 94 | 566 | 285 |
| 721 | Population | 9 | 93 | 612 | 1095 |
| 722 | proteins | 9 | 92 | 1602 | 2591 |
| 723 | Comparative Physiology | 5 | 91 | 749 | 970 |
| 723 | Developed countries | 2 | 91 | 278 | 250 |
| 725 | Special Education | 4 | 89 | 791 | 631 |
| 725 | Sociolinguistics | 6 | 89 | 308 | 360 |
| 725 | Europa | 4 | 89 | 487 | 539 |
| 728 | Energy Storage | 5 | 88 | 1124 | 1399 |
| 728 | Borderlands | 3 | 88 | 61 | 20 |
| 728 | Menopause | 5 | 88 | 239 | 366 |
| 731 | Urban Economics | 4 | 87 | 319 | 493 |
| 731 | Industrial Microbiology | 4 | 87 | 2042 | 2731 |
| 731 | urban population | 4 | 87 | 192 | 400 |
| 731 | scientific societies | 6 | 87 | 655 | 1029 |
| 735 | Cognitive Psychology | 14 | 86 | 97 | 335 |
| 735 | Adult Education | 9 | 86 | 272 | 398 |
| 735 | drug evaluation | 6 | 86 | 1119 | 1615 |
| 738 | Sociobiology | 1 | 85 | 576 | 231 |
| 738 | Hearing | 8 | 85 | 467 | 740 |
| 738 | California | 4 | 85 | 448 | 421 |
| 741 | Water quality management | 7 | 84 | 1336 | 1964 |
| 741 | glycoproteins | 2 | 84 | 754 | 715 |
| 741 | Glycoconjugates | 2 | 84 | 754 | 715 |
| 741 | Oligosaccharide | 2 | 84 | 496 | 536 |
| 741 | Carbohydrates | 2 | 84 | 719 | 679 |
| 741 | Diplomatic relations | 29 | 84 | 144 | 324 |
| 741 | glycolipids | 2 | 84 | 754 | 715 |
| 748 | Nanophotonics | 1 | 83 | 663 | 434 |
| 748 | Biomechanics | 6 | 83 | 1250 | 1781 |
| 748 | fuel cells | 4 | 83 | 1269 | 1654 |
| 748 | feeding behavior | 5 | 83 | 684 | 1080 |
| 748 | Appetite | 5 | 83 | 587 | 971 |
| 753 | Telecommunication Systems | 8 | 82 | 1068 | 1398 |
| 753 | Emergency Medicine | 3 | 82 | 2095 | 1769 |
| 753 | Ocean Engineering | 3 | 82 | 1827 | 1870 |
| 753 | Reading | 6 | 82 | 421 | 580 |
| 757 | Genetic Toxicology | 2 | 81 | 729 | 829 |
| 757 | Public opinion | 2 | 81 | 609 | 508 |
| 757 | Astrocytes | 1 | 81 | 1011 | 973 |
| 757 | Asia | 9 | 81 | 1853 | 2497 |
| 761 | migration policy | 4 | 80 | 186 | 265 |
| 762 | Melanoma | 2 | 79 | 356 | 372 |
| 762 | Aquaculture | 6 | 79 | 1225 | 1655 |
| 764 | Planetary Science | 5 | 78 | 492 | 544 |
| 764 | Feminism | 2 | 78 | 822 | 454 |
| 764 | biological factors | 3 | 78 | 2361 | 2400 |
| 767 | Bryology | 1 | 77 | 453 | 166 |
| 767 | Organizational Sociology | 6 | 77 | 209 | 367 |
| 767 | Photonics | 4 | 77 | 1767 | 2178 |
| 767 | Environmental Education | 2 | 77 | 522 | 366 |
| 767 | Thrombosis | 3 | 77 | 1441 | 1630 |
| 767 | Alternative Medicine | 3 | 77 | 2322 | 2289 |
| 767 | peace | 3 | 77 | 535 | 562 |
| 767 | Liposomes | 4 | 77 | 512 | 704 |
| 767 | mosses | 1 | 77 | 283 | 110 |
| 767 | Lipid bilayers | 4 | 77 | 436 | 575 |
| 767 | liverworts | 1 | 77 | 283 | 110 |
| 778 | Social History | 25 | 76 | 95 | 312 |
| 778 | Minority Health | 3 | 76 | 63 | 43 |
| 778 | place marketing | 1 | 76 | 237 | 193 |
| 781 | Engineering | 12 | 75 | 2822 | 4487 |
| 781 | Microeconomics | 4 | 75 | 309 | 387 |
| 781 | Consumer education | 3 | 75 | 346 | 491 |
| 781 | Money | 5 | 75 | 209 | 474 |
| 785 | Anatomy | 4 | 74 | 2219 | 2591 |
| 785 | Clinical Immunology | 3 | 74 | 1725 | 1865 |
| 785 | Educational Research | 5 | 74 | 39 | 71 |
| 785 | warfare | 2 | 74 | 429 | 431 |
| 785 | Dementia | 17 | 74 | 778 | 1395 |
| 785 | Alzheimer's disease | 17 | 74 | 799 | 1531 |
| 785 | amino acids | 2 | 74 | 921 | 880 |
| 792 | Community Psychology | 7 | 73 | 381 | 752 |
| 792 | Feminist Economics | 1 | 73 | 200 | 129 |
| 792 | ethnicity | 8 | 73 | 407 | 609 |
| 792 | Wireless Communication Systems | 7 | 73 | 1581 | 1863 |
| 792 | Nonlinear Dynamics | 4 | 73 | 2230 | 2397 |
| 792 | risk factors | 5 | 73 | 705 | 1022 |
| 798 | Industrial Organization | 4 | 72 | 285 | 375 |
| 798 | urban forestry | 4 | 72 | 195 | 326 |
| 798 | Nonlinear systems | 3 | 72 | 658 | 573 |
| 801 | Risk Management | 3 | 71 | 852 | 932 |
| 801 | cultural pluralism | 5 | 71 | 289 | 355 |
| 803 | Health Services Administration | 4 | 70 | 1172 | 1513 |
| 803 | Human Rights | 7 | 70 | 345 | 512 |
| 803 | Solid State Chemistry | 4 | 70 | 2532 | 2692 |
| 803 | auditory perception | 3 | 70 | 350 | 417 |
| 803 | Neuropharmacology | 2 | 70 | 917 | 875 |
| 803 | Eating Disorders | 4 | 70 | 917 | 1212 |
| 803 | Feeding and Eating Disorders | 4 | 70 | 875 | 1172 |
| 803 | France | 22 | 70 | 87 | 268 |
| 803 | Student Health Services | 4 | 70 | 252 | 326 |
| 812 | Taste | 1 | 69 | 664 | 355 |
| 812 | flavor | 1 | 69 | 460 | 255 |
| 812 | smell | 1 | 69 | 664 | 355 |
| 812 | Biometrics | 14 | 69 | 572 | 1346 |
| 812 | Methods | 4 | 69 | 104 | 86 |
| 817 | Maternal health services | 3 | 68 | 501 | 644 |
| 817 | Human biology | 6 | 68 | 495 | 754 |
| 819 | School Psychology | 4 | 67 | 430 | 587 |
| 819 | Solar Energy | 2 | 67 | 2418 | 2455 |
| 819 | Bioavailability | 1 | 67 | 217 | 75 |
| 819 | solar power | 2 | 67 | 1171 | 1360 |
| 819 | environmental remediation | 3 | 67 | 384 | 478 |
| 819 | solar cells | 2 | 67 | 1304 | 1490 |
| 825 | Criminal Law | 1 | 66 | 563 | 269 |
| 825 | Pediatric Hematology | 2 | 66 | 680 | 356 |
| 825 | Palynology | 3 | 66 | 290 | 260 |
| 825 | Speech Perception | 2 | 66 | 340 | 343 |
| 825 | Oral communication | 2 | 66 | 597 | 478 |
| 825 | mammals | 5 | 66 | 1003 | 1323 |
| 825 | Pregnancy | 2 | 66 | 1378 | 1181 |
| 832 | bioclimatology | 4 | 65 | 939 | 1235 |
| 832 | Reservoirs | 4 | 65 | 170 | 182 |
| 832 | Health promotion | 15 | 65 | 702 | 2161 |
| 832 | homosexuality | 5 | 65 | 316 | 518 |
| 832 | adulthood | 3 | 65 | 101 | 114 |
| 837 | Gender Studies | 4 | 64 | 457 | 575 |
| 837 | Emergency Medical Services | 1 | 64 | 1894 | 1033 |
| 837 | Queer Studies | 4 | 64 | 248 | 400 |
| 837 | Journalism | 4 | 64 | 535 | 426 |
| 837 | Friction | 1 | 64 | 247 | 186 |
| 837 | Housing | 6 | 64 | 322 | 671 |
| 837 | Mechanics | 1 | 64 | 2537 | 1273 |
| 837 | cohesion | 1 | 64 | 28 | 29 |
| 837 | data protection | 5 | 64 | 406 | 534 |
| 846 | Medical Laboratory Science | 3 | 63 | 2672 | 3299 |
| 846 | Allergy | 1 | 63 | 2413 | 2275 |
| 848 | Immunopathology | 5 | 62 | 1418 | 2174 |
| 848 | War | 4 | 62 | 191 | 205 |
| 848 | disarmament | 3 | 62 | 202 | 186 |
| 848 | psychopathology | 7 | 62 | 225 | 528 |
| 848 | breastfeeding | 3 | 62 | 641 | 739 |
| 853 | Hydrogeology | 3 | 61 | 822 | 868 |
| 853 | Oncogenes | 3 | 61 | 1494 | 2405 |
| 855 | Religion and Sociology | 12 | 60 | 55 | 145 |
| 855 | Randomized Controlled Trials | 4 | 60 | 1353 | 1497 |
| 855 | Proteome | 4 | 60 | 1332 | 2162 |
| 855 | Hedge funds | 6 | 60 | 16 | 42 |
| 855 | Personality Assessment | 6 | 60 | 415 | 865 |
| 855 | enzymes | 3 | 60 | 1892 | 2374 |
| 855 | Leisure | 1 | 60 | 678 | 446 |
| 862 | Marine Ecology | 3 | 59 | 901 | 967 |
| 862 | coal | 1 | 59 | 2789 | 2499 |
| 864 | Criminal psychology | 6 | 58 | 597 | 914 |
| 864 | Algorithms | 5 | 58 | 601 | 772 |
| 864 | Human Capital | 3 | 58 | 277 | 370 |
| 864 | nuclear magnetic resonance spectroscopy | 3 | 58 | 942 | 902 |
| 864 | Credit | 2 | 58 | 147 | 200 |
| 869 | civilization | 38 | 57 | 263 | 439 |
| 869 | Federal government | 3 | 57 | 158 | 140 |
| 869 | Parkinson's disease | 2 | 57 | 363 | 432 |
| 869 | mortality | 2 | 57 | 115 | 98 |
| 869 | Cell communication | 3 | 57 | 1005 | 1474 |
| 869 | Bereavement | 2 | 57 | 266 | 191 |
| 875 | Technology Assessment | 1 | 56 | 845 | 707 |
| 875 | visualization | 8 | 56 | 1159 | 1190 |
| 875 | radioactive waste | 2 | 56 | 1137 | 1753 |
| 875 | industrial waste | 2 | 56 | 1193 | 1754 |
| 875 | Hazardous waste | 2 | 56 | 1347 | 1850 |
| 875 | Scandinavia | 5 | 56 | 500 | 788 |
| 881 | Mobile Computing | 1 | 55 | 2283 | 1162 |
| 881 | Plate Tectonics | 1 | 55 | 552 | 365 |
| 881 | Combinatorial optimization | 2 | 55 | 728 | 392 |
| 884 | Diagnostic Imaging | 4 | 54 | 2323 | 2875 |
| 884 | Elderly | 22 | 54 | 470 | 1141 |
| 886 | Music | 6 | 53 | 711 | 885 |
| 886 | Organometallic chemistry | 2 | 53 | 2683 | 2259 |
| 886 | Electroconvulsive therapy | 2 | 53 | 165 | 141 |
| 886 | Bones | 1 | 53 | 1864 | 1629 |
| 890 | Graph Theory | 7 | 52 | 545 | 636 |
| 890 | Ethnic relations | 8 | 52 | 315 | 523 |
| 890 | Regionalism | 3 | 52 | 229 | 270 |
| 890 | radiocarbon dating | 1 | 52 | 197 | 91 |
| 890 | Dance therapy | 9 | 52 | 51 | 165 |
| 890 | RNA | 3 | 52 | 631 | 1015 |
| 896 | Phytochemistry | 1 | 51 | 709 | 502 |
| 896 | health services accessibility | 3 | 51 | 1211 | 1407 |
| 896 | Phytoremediation | 1 | 51 | 709 | 502 |
| 896 | Bioreactors | 1 | 51 | 709 | 502 |
| 896 | curriculum planning | 3 | 51 | 187 | 177 |
| 901 | Art Therapy | 8 | 50 | 78 | 220 |
| 901 | Multivariate Analysis | 3 | 50 | 561 | 637 |
| 901 | Diagnostic microbiology | 1 | 50 | 2599 | 2877 |
| 901 | Moon | 2 | 50 | 288 | 206 |
| 901 | refugees | 1 | 50 | 591 | 328 |
| 901 | administrative agencies | 8 | 50 | 147 | 345 |
| 907 | mental processes | 3 | 49 | 399 | 465 |
| 907 | weather | 4 | 49 | 554 | 1027 |
| 907 | population geography | 3 | 49 | 422 | 564 |
| 907 | recreation | 2 | 49 | 947 | 729 |
| 911 | Arts | 6 | 48 | 324 | 225 |
| 911 | Language Development | 4 | 48 | 200 | 341 |
| 911 | Political Ecology | 1 | 48 | 190 | 51 |
| 911 | Travel | 4 | 48 | 941 | 1244 |
| 911 | sadness | 6 | 48 | 106 | 281 |
| 911 | exobiology | 3 | 48 | 389 | 672 |
| 911 | Great Lakes | 4 | 48 | 226 | 377 |
| 911 | Cannabis | 2 | 48 | 129 | 140 |
| 911 | cannabinoids | 2 | 48 | 117 | 130 |
| 911 | antisocial personality disorder | 6 | 48 | 106 | 281 |
| 921 | Contraception | 3 | 47 | 743 | 1086 |
| 921 | Cognitive Behavioral Therapy | 2 | 47 | 347 | 400 |
| 921 | Reproductive health | 3 | 47 | 977 | 1323 |
| 921 | Neural circuitry | 5 | 47 | 1766 | 2955 |
| 921 | Social welfare | 3 | 47 | 683 | 798 |
| 921 | Memory disorders | 4 | 47 | 235 | 411 |
| 921 | Radiobiology | 4 | 47 | 2066 | 2472 |
| 921 | Migration | 9 | 47 | 49 | 158 |
| 921 | Jurisprudence | 4 | 47 | 971 | 1227 |
| 921 | Birth control | 3 | 47 | 535 | 860 |
| 931 | Bioenergetics | 3 | 46 | 1057 | 1531 |
| 931 | Social Media | 1 | 46 | 448 | 249 |
| 931 | consumers | 5 | 46 | 268 | 566 |
| 931 | Nuclear family | 3 | 46 | 175 | 188 |
| 931 | Sales Promotion | 5 | 46 | 51 | 126 |
| 936 | blood substitutes | 2 | 45 | 116 | 95 |
| 936 | Enteral nutrition | 2 | 45 | 1437 | 1755 |
| 936 | Parenteral nutrition | 2 | 45 | 1714 | 2035 |
| 936 | cytokines | 3 | 45 | 1683 | 2461 |
| 936 | artificial cells | 2 | 45 | 161 | 115 |
| 941 | Law | 12 | 44 | 841 | 1031 |
| 941 | nuclear magnetic resonance | 2 | 44 | 1615 | 1535 |
| 941 | Socialism | 1 | 44 | 422 | 195 |
| 941 | Phytotherapy | 3 | 44 | 1053 | 1596 |
| 941 | planning | 2 | 44 | 1102 | 1003 |
| 941 | Vaccines | 4 | 44 | 2094 | 3255 |
| 947 | ecotourism | 3 | 43 | 241 | 463 |
| 947 | Isotopes | 4 | 43 | 82 | 155 |
| 949 | Systems Theory | 3 | 42 | 732 | 601 |
| 949 | Behavioral Genetics | 4 | 42 | 240 | 529 |
| 949 | Rock deformation | 2 | 42 | 301 | 398 |
| 949 | association | 2 | 42 | 62 | 106 |
| 949 | rivers | 4 | 42 | 291 | 529 |
| 949 | Organizations | 2 | 42 | 62 | 106 |
| 955 | Nationalism | 4 | 41 | 281 | 330 |
| 955 | Biculturalism | 45 | 41 | 1 | 1 |
| 955 | calcification | 1 | 41 | 1171 | 1172 |
| 955 | educational statistics | 1 | 41 | 197 | 174 |
| 955 | Mountains | 3 | 41 | 471 | 502 |
| 955 | carbon monoxide | 1 | 41 | 737 | 799 |
| 961 | Information Retrieval | 3 | 40 | 525 | 790 |
| 961 | Hemostasis | 2 | 40 | 1267 | 1390 |
| 961 | Adsorption | 1 | 40 | 485 | 362 |
| 961 | Food additives | 2 | 40 | 1772 | 2242 |
| 961 | Discrete geometry | 4 | 40 | 250 | 297 |
| 961 | Strategic planning | 4 | 40 | 703 | 1186 |
| 961 | Applied Ethics | 1 | 40 | 288 | 138 |
| 968 | Molecular Pharmacology | 1 | 39 | 1591 | 1735 |
| 968 | Regional Economics | 5 | 39 | 349 | 663 |
| 968 | Decision Support Systems | 3 | 39 | 315 | 445 |
| 968 | Semiotics | 10 | 39 | 134 | 239 |
| 968 | Personality Disorders | 4 | 39 | 261 | 526 |
| 968 | landscapes | 1 | 39 | 475 | 305 |
| 968 | musculoskeletal system | 1 | 39 | 353 | 334 |
| 968 | internet | 6 | 39 | 922 | 1725 |
| 976 | Agricultural Engineering | 1 | 38 | 1088 | 829 |
| 976 | Adolescent Medicine | 3 | 38 | 797 | 1565 |
| 976 | physical therapy techniques | 4 | 38 | 155 | 203 |
| 976 | soil pollution | 2 | 38 | 851 | 971 |
| 976 | Mycology | 3 | 38 | 2041 | 2633 |
| 976 | animals | 3 | 38 | 1586 | 1817 |
| 976 | Fungi | 3 | 38 | 1257 | 1836 |
| 976 | school psychologists | 3 | 38 | 211 | 416 |
| 976 | Uncertainty | 1 | 38 | 391 | 294 |
| 985 | Marine Meteorology | 1 | 37 | 656 | 630 |
| 985 | Medical Physics | 2 | 37 | 2480 | 2510 |
| 985 | intimate partner violence | 4 | 37 | 27 | 56 |
| 985 | Organometallic compounds | 3 | 37 | 1450 | 1865 |
| 985 | spousal abuse | 4 | 37 | 27 | 56 |
| 985 | World Wide Web | 1 | 37 | 973 | 505 |
| 991 | Computer Vision | 2 | 36 | 1675 | 2098 |
| 991 | Developmental Immunology | 1 | 36 | 1693 | 1655 |
| 993 | Musicology | 4 | 35 | 183 | 227 |
| 993 | Engineering Geology | 4 | 35 | 1412 | 2211 |
| 993 | Semantics | 4 | 35 | 197 | 342 |
| 993 | community development | 21 | 35 | 114 | 891 |
| 993 | Random graphs | 1 | 35 | 312 | 208 |
| 993 | Educational measurement | 1 | 35 | 369 | 265 |
| 993 | Input-output analysis | 2 | 35 | 385 | 485 |
| 993 | Roads | 3 | 35 | 863 | 923 |
