| 1 | Science | 185 | 34.8K | 1681 | 820 |
| 2 | Biology | 93 | 23.5K | 2523 | 1079 |
| 3 | Ecology | 201 | 21.5K | 745 | 452 |
| 4 | Physics | 63 | 20.8K | 3362 | 1303 |
| 5 | Natural history | 18 | 19.2K | 2157 | 732 |
| 6 | Medicine | 207 | 15.8K | 1586 | 1024 |
| 7 | Australia | 699 | 14.0K | 29 | 26 |
| 8 | Botany | 110 | 12.4K | 743 | 336 |
| 9 | Psychology | 219 | 11.0K | 456 | 344 |
| 10 | Pollution | 78 | 10.7K | 1171 | 527 |
| 11 | Research | 190 | 10.5K | 1283 | 869 |
| 12 | Environment | 74 | 10.3K | 1038 | 623 |
| 13 | Education | 168 | 8.9K | 353 | 131 |
| 14 | Public Health | 156 | 8.8K | 681 | 466 |
| 15 | Biodiversity conservation | 50 | 8.6K | 348 | 166 |
| 16 | Climate change | 41 | 8.3K | 199 | 126 |
| 16 | Eutrophication | 41 | 8.3K | 193 | 126 |
| 18 | Microbiology | 77 | 8.2K | 1777 | 1043 |
| 19 | Psychiatry | 156 | 7.7K | 573 | 567 |
| 20 | United States | 113 | 6.8K | 763 | 414 |
| 21 | Educational Psychology | 53 | 6.5K | 248 | 67 |
| 22 | Plant Ecology | 27 | 5.9K | 566 | 121 |
| 23 | Nursing | 233 | 5.5K | 31 | 35 |
| 24 | Sociology | 77 | 5.2K | 460 | 236 |
| 25 | personality | 63 | 5.1K | 225 | 157 |
| 26 | Astronomy | 118 | 5.0K | 731 | 781 |
| 27 | Child Development | 117 | 4.7K | 196 | 219 |
| 28 | Biochemistry | 96 | 4.3K | 2544 | 2176 |
| 29 | city planning | 63 | 4.2K | 183 | 77 |
| 30 | Automation | 41 | 4.1K | 369 | 140 |
| 31 | soil microbiology | 58 | 3.7K | 217 | 222 |
| 32 | Chemistry | 68 | 3.6K | 3125 | 2681 |
| 33 | Microbial Ecology | 32 | 3.6K | 741 | 468 |
| 34 | Epidemiology | 62 | 3.5K | 893 | 597 |
| 35 | Behavior | 28 | 3.3K | 1201 | 627 |
| 36 | management | 74 | 3.0K | 591 | 626 |
| 37 | Structural Engineering | 76 | 3.0K | 197 | 120 |
| 38 | Molecular Biology | 55 | 2.8K | 2884 | 2649 |
| 39 | Economics | 185 | 2.8K | 457 | 636 |
| 40 | Clinical Psychology | 17 | 2.8K | 679 | 301 |
| 41 | plant communities | 30 | 2.8K | 273 | 175 |
| 42 | Mental Disorders | 60 | 2.8K | 664 | 721 |
| 43 | complementary therapies | 93 | 2.8K | 126 | 87 |
| 44 | Eating Disorders | 62 | 2.7K | 91 | 80 |
| 45 | Tourism | 51 | 2.7K | 208 | 207 |
| 46 | Soil biology | 39 | 2.6K | 194 | 187 |
| 47 | Sports Medicine | 91 | 2.6K | 368 | 355 |
| 48 | Alternative Medicine | 86 | 2.6K | 127 | 91 |
| 49 | Plant physiology | 29 | 2.6K | 738 | 472 |
| 50 | Social Sciences | 55 | 2.5K | 717 | 315 |
| 51 | Plant cells | 26 | 2.5K | 434 | 463 |
| 52 | Child psychology | 27 | 2.5K | 510 | 337 |
| 53 | Physiology | 72 | 2.5K | 1042 | 1074 |
| 54 | Evolution | 11 | 2.4K | 1183 | 492 |
| 55 | Neurophysiology | 39 | 2.4K | 1049 | 924 |
| 56 | psychotherapy | 13 | 2.4K | 728 | 239 |
| 57 | Feeding and Eating Disorders | 51 | 2.4K | 107 | 84 |
| 58 | Astrophysics | 70 | 2.3K | 1082 | 1226 |
| 59 | Ocean Engineering | 43 | 2.3K | 356 | 185 |
| 60 | Early Childhood Education | 93 | 2.3K | 11 | 12 |
| 61 | environmental pollution | 25 | 2.2K | 1902 | 1111 |
| 62 | Plant diseases | 50 | 2.2K | 453 | 292 |
| 63 | Environmental Microbiology | 15 | 2.2K | 597 | 278 |
| 64 | Psychophysiology | 43 | 2.2K | 932 | 814 |
| 65 | marketing | 58 | 2.1K | 287 | 376 |
| 66 | Human Geography | 37 | 2.1K | 222 | 111 |
| 67 | International Finance | 30 | 1.9K | 390 | 158 |
| 68 | Mental Health | 65 | 1.9K | 196 | 155 |
| 69 | Biotechnology | 47 | 1.9K | 2010 | 2089 |
| 70 | Earthquake Engineering | 30 | 1.9K | 365 | 201 |
| 71 | Neurology | 47 | 1.9K | 2007 | 2069 |
| 72 | Water pollution | 22 | 1.8K | 1129 | 681 |
| 73 | Medical Anthropology | 21 | 1.8K | 426 | 279 |
| 74 | Regional Planning | 26 | 1.8K | 483 | 181 |
| 75 | Energy Policy | 14 | 1.8K | 1340 | 623 |
| 76 | Economic History | 125 | 1.8K | 342 | 445 |
| 77 | energy resources | 13 | 1.8K | 627 | 357 |
| 78 | medical education | 39 | 1.8K | 479 | 285 |
| 79 | Water | 23 | 1.8K | 984 | 740 |
| 80 | Environmental Engineering | 16 | 1.8K | 2011 | 962 |
| 81 | Aging | 33 | 1.8K | 1001 | 651 |
| 82 | Primary health care | 37 | 1.7K | 403 | 230 |
| 83 | Pathology | 9 | 1.7K | 1874 | 747 |
| 84 | Social Psychology | 32 | 1.7K | 638 | 528 |
| 85 | Obstetrics | 33 | 1.6K | 955 | 601 |
| 86 | Analytical Chemistry | 53 | 1.6K | 1349 | 1323 |
| 87 | Culture | 107 | 1.6K | 34 | 43 |
| 88 | rehabilitation | 29 | 1.6K | 675 | 449 |
| 89 | Growth | 6 | 1.6K | 1068 | 497 |
| 90 | Cognition | 39 | 1.6K | 439 | 417 |
| 91 | Nutrition | 32 | 1.6K | 1684 | 1361 |
| 92 | Brain | 47 | 1.6K | 855 | 901 |
| 93 | human behavior | 19 | 1.6K | 1048 | 829 |
| 94 | Pharmacognosy | 13 | 1.5K | 954 | 384 |
| 95 | Medicinal plants | 12 | 1.5K | 709 | 259 |
| 96 | Biodiversity | 16 | 1.5K | 1085 | 584 |
| 97 | Psychiatric Nursing | 57 | 1.5K | 33 | 19 |
| 98 | Immunology | 11 | 1.4K | 2835 | 1670 |
| 99 | Obesity | 23 | 1.4K | 869 | 646 |
| 100 | Pharmacology | 24 | 1.4K | 2729 | 1989 |
| 101 | Biogeochemistry | 10 | 1.4K | 704 | 397 |
| 102 | Ophthalmology | 24 | 1.4K | 741 | 488 |
| 103 | Asia | 84 | 1.4K | 229 | 224 |
| 104 | Environmental monitoring | 18 | 1.4K | 1928 | 1233 |
| 105 | Control Theory | 33 | 1.4K | 446 | 260 |
| 106 | Health | 32 | 1.4K | 667 | 492 |
| 107 | preventive medicine | 15 | 1.4K | 633 | 340 |
| 108 | Multivariate Analysis | 11 | 1.4K | 196 | 44 |
| 109 | Biogeography | 10 | 1.4K | 611 | 331 |
| 110 | Europe | 53 | 1.3K | 766 | 657 |
| 111 | Environmental Health | 29 | 1.3K | 2185 | 1953 |
| 112 | System analysis | 28 | 1.3K | 740 | 387 |
| 113 | Nervous system | 43 | 1.3K | 697 | 975 |
| 114 | Suicide | 1 | 1.3K | 1222 | 58 |
| 115 | Marine Biology | 15 | 1.3K | 1450 | 773 |
| 116 | Structural Equation Modeling | 9 | 1.3K | 43 | 21 |
| 117 | Sports | 34 | 1.3K | 624 | 446 |
| 118 | Geography | 31 | 1.3K | 735 | 510 |
| 119 | Vocational guidance | 14 | 1.3K | 374 | 219 |
| 120 | Recycling | 11 | 1.3K | 218 | 127 |
| 121 | Mycology | 31 | 1.2K | 453 | 421 |
| 122 | Fungi | 30 | 1.2K | 256 | 287 |
| 123 | ecosystem | 12 | 1.2K | 737 | 430 |
| 124 | Mathematics | 53 | 1.2K | 2042 | 1364 |
| 125 | Teaching | 28 | 1.2K | 462 | 289 |
| 126 | organization | 19 | 1.1K | 239 | 279 |
| 127 | Communication | 59 | 1.1K | 330 | 401 |
| 128 | Spectrum analysis | 27 | 1.1K | 2037 | 1696 |
| 129 | Developing countries | 31 | 1.1K | 603 | 500 |
| 130 | Geriatrics | 32 | 1.1K | 1071 | 897 |
| 131 | Gender Studies | 12 | 1.1K | 163 | 39 |
| 132 | Business | 28 | 1.1K | 677 | 731 |
| 133 | Raman spectroscopy | 15 | 1.1K | 249 | 79 |
| 134 | Phonetics | 18 | 1.1K | 78 | 31 |
| 134 | Food | 21 | 1.1K | 1330 | 974 |
| 136 | Renewable Energy Sources | 4 | 1.0K | 2696 | 1229 |
| 137 | biological evolution | 13 | 1.0K | 1188 | 975 |
| 138 | Materials Science | 27 | 1.0K | 2135 | 1907 |
| 138 | Pediatrics | 16 | 1.0K | 1507 | 1177 |
| 140 | social science | 7 | 1.0K | 62 | 27 |
| 141 | Speech | 19 | 1.0K | 302 | 208 |
| 142 | Food Microbiology | 8 | 1.0K | 855 | 400 |
| 143 | Social work | 30 | 1.0K | 389 | 219 |
| 144 | health services | 31 | 1.0K | 226 | 186 |
| 145 | Structural dynamics | 27 | 1.0K | 284 | 280 |
| 146 | Cytology | 22 | 998 | 2287 | 2499 |
| 147 | Genetics | 14 | 992 | 2587 | 2183 |
| 148 | Cancer | 18 | 968 | 2126 | 1862 |
| 149 | Agricultural Chemistry | 19 | 967 | 1032 | 739 |
| 150 | Polymers | 31 | 959 | 1996 | 1756 |
| 151 | Child | 25 | 958 | 1005 | 725 |
| 152 | Psycholinguistics | 22 | 951 | 297 | 293 |
| 153 | environmental protection | 23 | 947 | 1328 | 1225 |
| 154 | Statistics | 25 | 939 | 1115 | 740 |
| 155 | Neuropsychology | 21 | 934 | 1033 | 832 |
| 156 | Perception | 23 | 931 | 836 | 698 |
| 157 | Environmental Policy | 23 | 925 | 1212 | 1396 |
| 158 | Bacteriology | 5 | 922 | 1954 | 935 |
| 159 | Entomology | 42 | 917 | 654 | 577 |
| 160 | children | 27 | 914 | 97 | 107 |
| 161 | Soil Mechanics | 16 | 906 | 491 | 342 |
| 162 | Feminism | 17 | 895 | 166 | 37 |
| 163 | alcoholism | 16 | 894 | 724 | 515 |
| 164 | Health Services Research | 25 | 891 | 534 | 474 |
| 165 | breastfeeding | 15 | 887 | 154 | 46 |
| 166 | Oncology | 12 | 879 | 1416 | 1568 |
| 167 | child behavior | 23 | 877 | 77 | 93 |
| 168 | Artificial Intelligence | 48 | 855 | 929 | 1202 |
| 169 | econometric models | 18 | 854 | 92 | 49 |
| 170 | Human genetics | 5 | 848 | 2363 | 2402 |
| 171 | Diet | 14 | 847 | 1235 | 1004 |
| 172 | Women's health | 23 | 846 | 374 | 254 |
| 173 | Research Design | 17 | 843 | 469 | 363 |
| 174 | Cognitive Science | 15 | 842 | 628 | 533 |
| 175 | Biophysics | 32 | 834 | 2649 | 2750 |
| 176 | Cell Biology | 17 | 829 | 2516 | 2759 |
| 177 | Developmental Psychology | 12 | 828 | 547 | 410 |
| 178 | Fluid Mechanics | 17 | 819 | 796 | 480 |
| 178 | drug addiction | 13 | 819 | 622 | 444 |
| 180 | Neural circuitry | 18 | 818 | 728 | 597 |
| 181 | Genomics | 14 | 817 | 1988 | 1449 |
| 182 | Housing | 23 | 812 | 70 | 75 |
| 183 | Soil Science | 15 | 806 | 873 | 648 |
| 184 | Composite Materials | 13 | 801 | 1527 | 1184 |
| 185 | Mental Health Services | 33 | 800 | 296 | 295 |
| 186 | Rock Mechanics | 14 | 793 | 393 | 269 |
| 186 | disabilities | 12 | 793 | 317 | 112 |
| 188 | Psychometrics | 4 | 788 | 423 | 153 |
| 188 | food technology | 21 | 788 | 1022 | 927 |
| 190 | Real Estate Investment | 68 | 787 | 4 | 9 |
| 191 | Molecular ecology | 9 | 780 | 752 | 612 |
| 192 | histological techniques | 6 | 774 | 590 | 245 |
| 193 | Engineering Geology | 15 | 771 | 662 | 464 |
| 194 | Biomedical Engineering | 29 | 770 | 1947 | 2058 |
| 195 | Molecular Genetics | 11 | 769 | 1346 | 939 |
| 196 | Land use | 69 | 768 | 57 | 267 |
| 197 | Toxicology | 20 | 765 | 2502 | 2280 |
| 198 | industrial relations | 74 | 760 | 59 | 145 |
| 199 | Agricultural Ecology | 5 | 759 | 1003 | 480 |
| 200 | Financial management | 2 | 756 | 774 | 140 |
| 200 | International Business | 2 | 756 | 276 | 4 |
| 202 | Evidence-Based Medicine | 26 | 751 | 267 | 181 |
| 202 | Allergy | 9 | 751 | 968 | 917 |
| 204 | Teacher Education | 31 | 750 | 8 | 6 |
| 205 | Materials | 37 | 741 | 2452 | 2916 |
| 206 | polymerization | 26 | 735 | 1815 | 1667 |
| 207 | Criminology | 34 | 732 | 226 | 233 |
| 208 | Business Ethics | 8 | 722 | 554 | 450 |
| 209 | Nonlinear systems | 13 | 720 | 230 | 93 |
| 210 | Project Management | 7 | 709 | 142 | 119 |
| 211 | Pharmaceutical Chemistry | 13 | 707 | 2574 | 2006 |
| 211 | Magnetic Resonance Spectroscopy | 19 | 707 | 526 | 352 |
| 213 | economic policy | 41 | 706 | 554 | 548 |
| 214 | Social welfare | 14 | 700 | 214 | 88 |
| 215 | nuclear magnetic resonance | 19 | 698 | 477 | 352 |
| 216 | Population Genetics | 11 | 697 | 746 | 627 |
| 217 | Ecological Engineering | 1 | 696 | 1343 | 137 |
| 217 | Critical Care Medicine | 24 | 696 | 668 | 1102 |
| 217 | auditory perception | 14 | 696 | 60 | 56 |
| 220 | Money | 2 | 690 | 469 | 45 |
| 221 | Exercise | 18 | 689 | 501 | 347 |
| 222 | Higher Education | 21 | 688 | 117 | 87 |
| 223 | Physical fitness | 13 | 686 | 501 | 324 |
| 224 | Catalysis | 20 | 681 | 1877 | 1962 |
| 225 | Language Disorders | 16 | 679 | 345 | 227 |
| 226 | pain | 18 | 671 | 637 | 711 |
| 227 | Neurobiology | 5 | 659 | 1800 | 1173 |
| 228 | Mechanical Engineering | 13 | 643 | 1429 | 604 |
| 229 | human development | 10 | 641 | 416 | 280 |
| 230 | Nanostructured Materials | 17 | 635 | 1721 | 1586 |
| 231 | Learning | 10 | 630 | 803 | 545 |
| 232 | atmospheric models | 5 | 625 | 639 | 381 |
| 233 | China | 23 | 618 | 1054 | 861 |
| 234 | Physical Therapy | 12 | 617 | 745 | 596 |
| 235 | Biocompatible Materials | 14 | 612 | 2250 | 2362 |
| 236 | Pregnancy | 12 | 609 | 378 | 225 |
| 237 | Hearing | 11 | 607 | 369 | 208 |
| 238 | Environmental Education | 11 | 602 | 124 | 65 |
| 239 | Chemical Engineering | 22 | 601 | 2248 | 2490 |
| 240 | Child welfare | 15 | 597 | 436 | 289 |
| 241 | Health Education | 17 | 595 | 866 | 655 |
| 242 | Geochemistry | 6 | 594 | 1772 | 1084 |
| 242 | Cerebral cortex | 6 | 594 | 815 | 536 |
| 244 | Speech Disorders | 16 | 592 | 454 | 379 |
| 245 | Taste | 8 | 591 | 130 | 39 |
| 245 | smell | 8 | 591 | 130 | 39 |
| 247 | Transportation | 11 | 590 | 954 | 633 |
| 248 | Earth Sciences | 12 | 586 | 2062 | 1491 |
| 249 | Computational Biology | 6 | 583 | 2743 | 1423 |
| 250 | Dermatology | 6 | 582 | 1704 | 863 |
| 251 | Forest Ecology | 17 | 581 | 434 | 476 |
| 252 | Colloids | 17 | 580 | 1995 | 2026 |
| 253 | Quality of life | 11 | 579 | 802 | 638 |
| 254 | Music | 30 | 577 | 153 | 143 |
| 255 | Infections | 2 | 575 | 1927 | 738 |
| 255 | infection | 2 | 575 | 2667 | 917 |
| 255 | Virulence | 2 | 575 | 1764 | 923 |
| 258 | Geriatric Psychiatry | 9 | 574 | 725 | 436 |
| 259 | Urban Policy | 21 | 573 | 146 | 188 |
| 260 | Macroeconomics | 2 | 564 | 550 | 58 |
| 261 | Globalization | 10 | 562 | 216 | 99 |
| 262 | Surface Chemistry | 18 | 560 | 1980 | 1987 |
| 263 | Linguistics | 19 | 553 | 593 | 397 |
| 263 | Gerontology | 23 | 553 | 753 | 696 |
| 265 | health behavior | 12 | 552 | 509 | 368 |
| 266 | Engineering | 27 | 549 | 1624 | 1441 |
| 266 | Statistical physics | 19 | 549 | 1989 | 1672 |
| 268 | recreation | 13 | 543 | 278 | 136 |
| 269 | Anti-inflammatory agents | 1 | 540 | 599 | 28 |
| 269 | Inflammation | 1 | 540 | 2573 | 585 |
| 271 | Geology | 14 | 535 | 1846 | 1448 |
| 271 | Speech Perception | 7 | 535 | 127 | 66 |
| 271 | Oral communication | 7 | 535 | 235 | 85 |
| 274 | flavor | 7 | 532 | 91 | 25 |
| 275 | Chromatographic analysis | 31 | 531 | 489 | 610 |
| 276 | Memory | 11 | 527 | 1286 | 1028 |
| 277 | Vision | 11 | 526 | 352 | 342 |
| 278 | Export Marketing | 9 | 523 | 51 | 66 |
| 279 | Carbon | 7 | 522 | 1037 | 799 |
| 280 | Plants | 9 | 521 | 1461 | 1229 |
| 281 | Feminist psychology | 14 | 518 | 11 | 8 |
| 282 | Plasma chemistry | 1 | 517 | 830 | 80 |
| 282 | bees | 20 | 517 | 87 | 120 |
| 284 | Health promotion | 16 | 511 | 671 | 658 |
| 285 | Zoology | 33 | 501 | 890 | 1047 |
| 286 | Algebra | 25 | 496 | 552 | 256 |
| 287 | Engineering Mathematics | 12 | 492 | 1453 | 654 |
| 288 | Public opinion | 6 | 490 | 284 | 111 |
| 289 | Mathematical Physics | 21 | 484 | 1422 | 1183 |
| 290 | Orthopedics | 18 | 480 | 775 | 842 |
| 291 | Securities | 7 | 479 | 109 | 62 |
| 291 | stocks | 6 | 479 | 34 | 22 |
| 293 | Meteorology | 3 | 477 | 2852 | 1557 |
| 294 | Economic Development | 21 | 476 | 580 | 906 |
| 294 | Bioinorganic chemistry | 10 | 476 | 905 | 609 |
| 294 | Immunity | 4 | 476 | 2218 | 1819 |
| 297 | Chemical analysis | 9 | 468 | 783 | 447 |
| 297 | Reproduction | 16 | 468 | 1296 | 1256 |
| 297 | Diabetes | 13 | 468 | 1414 | 1693 |
| 300 | Schizophrenia | 10 | 460 | 737 | 692 |
| 301 | Ergonomics | 16 | 457 | 453 | 341 |
| 302 | Industrial Microbiology | 9 | 454 | 1266 | 1134 |
| 303 | Economic Geography | 15 | 452 | 80 | 84 |
| 304 | Pediatric Nursing | 11 | 450 | 208 | 100 |
| 304 | Forest Management | 12 | 450 | 530 | 519 |
| 306 | Water quality management | 15 | 448 | 793 | 645 |
| 307 | Biochemical Engineering | 9 | 444 | 2346 | 2755 |
| 307 | Developmental Disabilities | 17 | 444 | 406 | 576 |
| 309 | Public Administration | 29 | 442 | 381 | 443 |
| 309 | Electrochemistry | 22 | 442 | 1951 | 1981 |
| 311 | Attention | 9 | 439 | 1395 | 1040 |
| 312 | Waste management | 12 | 435 | 684 | 407 |
| 313 | Mental illness | 11 | 431 | 1360 | 1505 |
| 314 | Personality Assessment | 3 | 426 | 648 | 311 |
| 314 | finance | 26 | 426 | 789 | 973 |
| 316 | Hydrology | 21 | 425 | 1074 | 1292 |
| 317 | Diabetes mellitus | 12 | 424 | 1405 | 1721 |
| 318 | Adolescent | 12 | 422 | 1302 | 1039 |
| 318 | Chronic diseases | 6 | 422 | 621 | 561 |
| 320 | Chromosome mapping | 7 | 419 | 1529 | 1230 |
| 320 | gene mapping | 7 | 419 | 1699 | 1486 |
| 322 | Long-Term Care | 4 | 417 | 562 | 325 |
| 322 | Long-term care facilities | 4 | 417 | 559 | 324 |
| 322 | Employee rights | 29 | 417 | 3 | 7 |
| 325 | Clinical Pharmacology | 13 | 416 | 850 | 740 |
| 326 | Health Services Administration | 15 | 414 | 412 | 464 |
| 327 | Physical Chemistry | 5 | 412 | 2187 | 1324 |
| 328 | Cognitive neuroscience | 6 | 409 | 796 | 718 |
| 329 | Technology | 16 | 404 | 2289 | 2077 |
| 330 | Industrial Ecology | 1 | 402 | 418 | 116 |
| 331 | tests | 9 | 400 | 58 | 58 |
| 332 | Popular culture | 11 | 399 | 183 | 35 |
| 333 | Occupational Therapy | 23 | 398 | 284 | 216 |
| 334 | Political Science | 38 | 396 | 497 | 654 |
| 335 | Small Business | 7 | 394 | 500 | 565 |
| 336 | Nanotechnology | 9 | 393 | 3755 | 3462 |
| 337 | Educational Technology | 15 | 389 | 602 | 572 |
| 338 | Bioengineering | 11 | 387 | 3027 | 3411 |
| 338 | Chromatography | 17 | 387 | 679 | 675 |
| 340 | international trade | 5 | 384 | 580 | 231 |
| 340 | Youth | 9 | 384 | 368 | 366 |
| 342 | Insects | 15 | 381 | 721 | 635 |
| 343 | Rural Development | 7 | 380 | 324 | 186 |
| 343 | biological invasions | 5 | 380 | 534 | 265 |
| 345 | Electrophoresis | 14 | 379 | 829 | 845 |
| 346 | Language Acquisition | 16 | 370 | 116 | 156 |
| 347 | Electrical Engineering | 28 | 367 | 1359 | 1099 |
| 348 | Cosmochemistry | 1 | 364 | 1692 | 544 |
| 349 | violence | 9 | 363 | 561 | 464 |
| 350 | Environmental Management | 7 | 360 | 2312 | 2146 |
| 351 | Medical Sociology | 14 | 358 | 14 | 9 |
| 352 | Information Technology | 16 | 355 | 1067 | 977 |
| 353 | race relations | 9 | 354 | 300 | 187 |
| 354 | individual differences | 4 | 352 | 229 | 122 |
| 355 | Musicology | 18 | 351 | 32 | 24 |
| 355 | Outdoor Education | 7 | 351 | 34 | 9 |
| 357 | Civil Engineering | 16 | 348 | 689 | 357 |
| 358 | Ecosystem management | 9 | 347 | 377 | 369 |
| 359 | Entrepreneurship | 6 | 346 | 744 | 664 |
| 360 | feeding behavior | 6 | 345 | 612 | 430 |
| 361 | Ethics | 6 | 344 | 764 | 290 |
| 361 | Psychosomatic Medicine | 6 | 344 | 707 | 561 |
| 363 | women | 7 | 343 | 533 | 152 |
| 364 | cultural policy | 32 | 342 | 25 | 36 |
| 365 | Robotics | 4 | 340 | 1680 | 817 |
| 366 | Ethology | 7 | 339 | 1194 | 1273 |
| 367 | commerce | 10 | 338 | 906 | 799 |
| 368 | Social behavior | 7 | 337 | 850 | 711 |
| 369 | Animal Behavior | 6 | 336 | 1675 | 1478 |
| 370 | Water Purification | 10 | 335 | 603 | 412 |
| 370 | Telecommunication | 6 | 335 | 1947 | 834 |
| 372 | Information Systems | 5 | 333 | 1313 | 677 |
| 372 | Geophysics | 11 | 333 | 2498 | 2453 |
| 372 | population geography | 6 | 333 | 245 | 111 |
| 375 | Organizational Sociology | 6 | 330 | 209 | 123 |
| 376 | Law | 22 | 329 | 535 | 268 |
| 377 | Liposomes | 5 | 325 | 430 | 267 |
| 377 | Lipid bilayers | 5 | 325 | 370 | 248 |
| 379 | Medical genetics | 9 | 323 | 2318 | 2724 |
| 379 | Research methodology | 5 | 323 | 53 | 30 |
| 381 | Public Policy | 12 | 321 | 941 | 1021 |
| 381 | Diagnostic microbiology | 5 | 321 | 1358 | 1419 |
| 381 | Intellectual disability | 14 | 321 | 378 | 426 |
| 384 | Clinical Chemistry | 5 | 320 | 3095 | 2285 |
| 384 | Drug delivery systems | 1 | 320 | 2888 | 1121 |
| 386 | Econometrics | 15 | 319 | 628 | 679 |
| 387 | ethnicity | 10 | 316 | 341 | 167 |
| 388 | concrete | 7 | 315 | 730 | 734 |
| 389 | energy conservation | 4 | 311 | 2011 | 1401 |
| 390 | Genetic engineering | 2 | 310 | 3297 | 1732 |
| 391 | Electronics | 17 | 305 | 1930 | 1801 |
| 391 | Combustion | 6 | 305 | 1004 | 729 |
| 393 | Travel | 21 | 304 | 201 | 296 |
| 393 | Learning disabilities | 15 | 304 | 339 | 370 |
| 395 | Health Policy | 10 | 303 | 1573 | 1524 |
| 396 | Petrology | 3 | 302 | 1031 | 666 |
| 396 | plant oils | 8 | 302 | 129 | 54 |
| 398 | Bilingualism | 7 | 300 | 110 | 100 |
| 399 | Emotions | 11 | 298 | 277 | 435 |
| 400 | Stochastic Processes | 4 | 297 | 893 | 297 |
| 400 | Solitons | 8 | 297 | 632 | 456 |
| 400 | Fractals | 8 | 297 | 775 | 507 |
| 400 | Chaos | 8 | 297 | 632 | 456 |
| 404 | Intercultural Communication | 8 | 293 | 160 | 139 |
| 404 | Portfolio Management | 15 | 293 | 76 | 90 |
| 404 | real estate | 15 | 293 | 5 | 5 |
| 407 | Inclusive Education | 8 | 292 | 54 | 35 |
| 407 | Integration | 8 | 292 | 49 | 35 |
| 409 | Building Materials | 6 | 291 | 1351 | 1288 |
| 409 | magnetic resonance | 7 | 291 | 364 | 138 |
| 411 | structural stability | 15 | 290 | 138 | 205 |
| 411 | genome | 3 | 290 | 2124 | 1672 |
| 413 | Environmental Toxicology | 5 | 286 | 2340 | 2005 |
| 413 | plant molecular biology | 3 | 286 | 1754 | 1451 |
| 415 | Experimental Psychology | 8 | 284 | 357 | 333 |
| 415 | Multicultural Education | 16 | 284 | 79 | 100 |
| 415 | Plant genetic engineering | 5 | 284 | 867 | 716 |
| 415 | Developmental Immunology | 11 | 284 | 347 | 464 |
| 419 | Magnetic Resonance Imaging | 5 | 282 | 529 | 279 |
| 419 | Visual Perception | 9 | 282 | 1328 | 1297 |
| 421 | Neurochemistry | 11 | 281 | 1661 | 1973 |
| 422 | Social History | 7 | 280 | 343 | 104 |
| 422 | construction industry | 8 | 280 | 60 | 23 |
| 424 | Socialization | 6 | 279 | 346 | 340 |
| 425 | Regional Economics | 2 | 276 | 650 | 179 |
| 425 | Europa | 2 | 276 | 737 | 231 |
| 427 | Environmental Geology | 5 | 274 | 1406 | 956 |
| 428 | role | 5 | 272 | 316 | 295 |
| 429 | Post-traumatic stress disorder | 6 | 270 | 589 | 524 |
| 430 | Environmental Chemistry | 9 | 269 | 1422 | 1830 |
| 430 | Agriculture | 7 | 269 | 1857 | 1495 |
| 432 | Developmental Biology | 5 | 266 | 2056 | 2015 |
| 433 | Appetite | 2 | 265 | 1008 | 456 |
| 434 | health planning | 9 | 264 | 1422 | 1112 |
| 434 | enzymes | 5 | 264 | 1458 | 1137 |
| 436 | Software Maintenance | 2 | 263 | 284 | 21 |
| 436 | software | 2 | 263 | 1452 | 611 |
| 438 | Neonatology | 8 | 262 | 369 | 316 |
| 438 | Respiration | 9 | 262 | 1132 | 1248 |
| 438 | educational planning | 6 | 262 | 258 | 206 |
| 438 | India | 9 | 262 | 1057 | 319 |
| 442 | Philosophy | 33 | 261 | 536 | 467 |
| 442 | Proteomics | 4 | 261 | 1247 | 957 |
| 444 | Religion | 16 | 259 | 397 | 145 |
| 445 | Heat Exchangers | 3 | 258 | 1337 | 859 |
| 446 | economic conditions | 15 | 257 | 208 | 332 |
| 447 | Hematology | 5 | 255 | 3488 | 2571 |
| 448 | housing policy | 10 | 254 | 26 | 24 |
| 448 | nuclear magnetic resonance spectroscopy | 7 | 254 | 587 | 373 |
| 448 | Therapeutics | 8 | 254 | 1432 | 1639 |
| 451 | Religion and Culture | 7 | 253 | 145 | 43 |
| 451 | natural disasters | 7 | 253 | 891 | 820 |
| 453 | Rheumatology | 5 | 252 | 1276 | 1125 |
| 454 | Biomass Energy | 3 | 251 | 2904 | 2117 |
| 454 | Biomass | 3 | 251 | 747 | 528 |
| 456 | biological factors | 3 | 250 | 2361 | 1296 |
| 457 | Journalism | 2 | 249 | 778 | 167 |
| 457 | Substance Abuse | 11 | 249 | 900 | 986 |
| 459 | Surgery | 5 | 245 | 2230 | 2161 |
| 460 | curriculum evaluation | 7 | 243 | 174 | 123 |
| 461 | Computational Chemistry | 1 | 242 | 1319 | 478 |
| 462 | Operations Research | 5 | 240 | 2053 | 1415 |
| 462 | hazard mitigation | 6 | 240 | 641 | 529 |
| 462 | free radicals | 6 | 240 | 1336 | 1421 |
| 465 | innovation | 8 | 237 | 342 | 595 |
| 465 | Spine | 4 | 237 | 803 | 655 |
| 465 | Radiation effects | 4 | 237 | 589 | 446 |
| 468 | occupational diseases | 5 | 236 | 858 | 673 |
| 469 | Political Ethics | 2 | 235 | 132 | 3 |
| 470 | Microbial Metabolism | 3 | 234 | 188 | 101 |
| 471 | Enzyme | 2 | 233 | 730 | 379 |
| 472 | Bioorganic chemistry | 6 | 231 | 2519 | 2330 |
| 473 | Anthropology | 17 | 230 | 764 | 835 |
| 473 | Sustainable Development | 9 | 230 | 1277 | 1598 |
| 475 | Hazardous waste | 3 | 229 | 1058 | 865 |
| 476 | Manufacturing Processes | 5 | 227 | 2146 | 1564 |
| 477 | Technological Innovations | 12 | 225 | 384 | 597 |
| 477 | Agricultural systems | 9 | 225 | 166 | 288 |
| 479 | Chemical Ecology | 6 | 224 | 415 | 429 |
| 479 | pheromones | 6 | 224 | 367 | 400 |
| 481 | Industrial Safety | 7 | 223 | 821 | 673 |
| 481 | United Kingdom | 8 | 223 | 1240 | 1494 |
| 483 | disaster relief | 5 | 222 | 144 | 89 |
| 484 | Organizational change | 12 | 221 | 259 | 397 |
| 484 | Cognitive Therapy | 3 | 221 | 741 | 403 |
| 484 | Adaptive control systems | 6 | 221 | 383 | 197 |
| 484 | Yugoslavia | 22 | 221 | 22 | 7 |
| 488 | economic analysis | 15 | 219 | 65 | 79 |
| 488 | Aggression | 4 | 219 | 421 | 348 |
| 490 | Pharmacy | 9 | 216 | 1545 | 1684 |
| 491 | Anatomy | 11 | 214 | 1313 | 1674 |
| 492 | homosexuality | 5 | 212 | 316 | 223 |
| 493 | Systems Analysis | 10 | 211 | 578 | 584 |
| 493 | drugs | 3 | 211 | 2892 | 1742 |
| 495 | Evolutionary Psychology | 2 | 210 | 223 | 55 |
| 496 | Queer Studies | 4 | 209 | 248 | 151 |
| 496 | civil service | 2 | 209 | 547 | 217 |
| 498 | forestry | 3 | 208 | 286 | 133 |
| 499 | Environmental Ethics | 2 | 207 | 243 | 30 |
| 499 | Bioremediation | 8 | 207 | 376 | 552 |
| 499 | Biodegradation | 8 | 207 | 361 | 555 |
| 502 | Community Psychology | 8 | 205 | 342 | 464 |
| 502 | Political Sociology | 2 | 205 | 605 | 248 |
| 504 | Metabolism | 6 | 204 | 2712 | 3031 |
| 505 | Solid State Chemistry | 8 | 203 | 1922 | 1705 |
| 506 | Computer Science | 8 | 202 | 1543 | 1072 |
| 506 | Body Image | 3 | 202 | 228 | 178 |
| 506 | Reading | 10 | 202 | 286 | 347 |
| 509 | Translation | 6 | 201 | 70 | 20 |
| 509 | coal | 2 | 201 | 2178 | 1456 |
| 511 | Comparative Education | 5 | 200 | 178 | 49 |
| 511 | Parasitology | 8 | 200 | 1888 | 1825 |
| 513 | Geriatric Oncology | 3 | 199 | 794 | 521 |
| 514 | Genes | 3 | 198 | 1453 | 847 |
| 515 | Environmental Law | 6 | 197 | 906 | 1369 |
| 515 | Population | 3 | 197 | 1284 | 698 |
| 517 | Atmospheric Chemistry | 1 | 196 | 1631 | 1042 |
| 517 | Atmospheric Physics | 1 | 196 | 2783 | 1469 |
| 519 | Audiology | 3 | 195 | 999 | 644 |
| 519 | Advertising | 1 | 195 | 681 | 296 |
| 519 | Immune system | 4 | 195 | 1174 | 1472 |
| 522 | adolescence | 4 | 194 | 927 | 719 |
| 523 | Membranes | 5 | 193 | 1709 | 1794 |
| 524 | Education policy | 8 | 191 | 30 | 35 |
| 525 | Obstetric Nursing | 4 | 189 | 344 | 144 |
| 526 | Game Theory | 2 | 187 | 831 | 313 |
| 527 | Simulation Methods | 1 | 186 | 2078 | 496 |
| 527 | Religion and Psychology | 6 | 186 | 314 | 167 |
| 529 | Systems Theory | 13 | 185 | 144 | 141 |
| 530 | arthritis | 3 | 183 | 1618 | 1532 |
| 531 | Soil dynamics | 5 | 182 | 370 | 317 |
| 531 | locomotion | 5 | 182 | 628 | 551 |
| 531 | posture | 5 | 182 | 628 | 551 |
| 531 | gait | 5 | 182 | 628 | 551 |
| 531 | Leisure | 7 | 182 | 209 | 228 |
| 531 | walking | 5 | 182 | 628 | 551 |
| 537 | Production Engineering | 3 | 181 | 2293 | 1215 |
| 537 | men | 4 | 181 | 244 | 130 |
| 539 | sanitation | 3 | 180 | 1919 | 2040 |
| 539 | Medical Ethics | 7 | 180 | 818 | 629 |
| 539 | animals | 25 | 180 | 331 | 757 |
| 542 | Cultural Studies | 5 | 179 | 88 | 30 |
| 542 | Production Planning | 7 | 179 | 116 | 200 |
| 542 | Medical Microbiology | 3 | 179 | 3039 | 2708 |
| 542 | Production Control | 7 | 179 | 113 | 200 |
| 546 | Southeast Asia | 11 | 178 | 143 | 114 |
| 547 | Virology | 3 | 177 | 3925 | 3840 |
| 547 | Wetland ecology | 4 | 177 | 420 | 295 |
| 547 | Parasitic Diseases | 6 | 177 | 1926 | 1948 |
| 547 | wetland management | 4 | 177 | 132 | 92 |
| 551 | particle beams | 10 | 176 | 109 | 116 |
| 552 | Systems Engineering | 6 | 175 | 1769 | 1266 |
| 553 | Soil ecology | 4 | 174 | 763 | 760 |
| 554 | Heritage Tourism | 6 | 173 | 35 | 31 |
| 554 | cultural tourism | 6 | 173 | 34 | 31 |
| 556 | health services accessibility | 7 | 171 | 667 | 702 |
| 556 | Organometallic chemistry | 5 | 171 | 1816 | 1282 |
| 558 | Criminal psychology | 8 | 170 | 509 | 558 |
| 558 | Cross-Cultural Studies | 7 | 170 | 392 | 398 |
| 560 | Endocrinology | 8 | 169 | 2674 | 3429 |
| 560 | Community Psychiatry | 5 | 169 | 954 | 969 |
| 560 | mammals | 6 | 169 | 884 | 770 |
| 560 | Fisheries | 5 | 169 | 1595 | 1367 |
| 564 | civilization | 23 | 167 | 415 | 156 |
| 565 | Japan | 10 | 166 | 1367 | 1281 |
| 566 | Administration | 1 | 165 | 198 | 20 |
| 567 | Oxidative stress | 2 | 164 | 1737 | 1363 |
| 568 | Materials Engineering | 2 | 163 | 1111 | 295 |
| 568 | drug therapy | 7 | 163 | 2126 | 2437 |
| 570 | Bioethics | 15 | 162 | 345 | 530 |
| 570 | crime | 2 | 162 | 927 | 410 |
| 570 | Aquatic ecology | 8 | 162 | 662 | 779 |
| 573 | Medical Technology | 3 | 161 | 2411 | 1606 |
| 573 | Minerals | 3 | 161 | 888 | 525 |
| 575 | movement | 3 | 160 | 352 | 258 |
| 575 | environmental exposure | 6 | 160 | 1627 | 1872 |
| 575 | amino acids | 4 | 160 | 573 | 519 |
| 578 | East Asia | 9 | 159 | 288 | 208 |
| 579 | International Relations | 11 | 158 | 656 | 580 |
| 579 | Plant Biotechnology | 2 | 158 | 1186 | 754 |
| 581 | Pharmaceutical Technology | 4 | 157 | 1579 | 1402 |
| 581 | Animal ecology | 4 | 157 | 1212 | 1024 |
| 581 | Methodology | 1 | 157 | 1070 | 196 |
| 584 | Oceanography | 6 | 156 | 1622 | 1669 |
| 584 | Transnational corporations | 5 | 156 | 177 | 211 |
| 586 | Immunotherapy | 1 | 155 | 3625 | 2228 |
| 586 | child abuse | 5 | 155 | 738 | 841 |
| 588 | mathematical analysis | 6 | 154 | 2127 | 1440 |
| 589 | Mathematics Education | 10 | 153 | 196 | 210 |
| 589 | Mechanics | 1 | 153 | 2537 | 806 |
| 589 | Environmental pollutants | 7 | 153 | 1832 | 2309 |
| 592 | History | 12 | 152 | 639 | 223 |
| 592 | Telemedicine | 2 | 152 | 650 | 310 |
| 594 | Medical Laboratory Science | 3 | 151 | 2672 | 2208 |
| 594 | Organic Chemistry | 7 | 151 | 2695 | 2868 |
| 594 | Topology | 5 | 151 | 285 | 138 |
| 597 | Phytochemistry | 2 | 150 | 446 | 195 |
| 597 | Educational Sociology | 3 | 150 | 392 | 183 |
| 597 | Phytoremediation | 2 | 150 | 446 | 195 |
| 597 | environmental remediation | 2 | 150 | 550 | 234 |
| 597 | Bioreactors | 2 | 150 | 446 | 195 |
| 597 | Capitalism | 4 | 150 | 135 | 82 |
| 597 | Food preferences | 5 | 150 | 290 | 371 |
| 604 | Telecommunication Systems | 12 | 148 | 794 | 1019 |
| 604 | Palliative Care | 8 | 148 | 639 | 710 |
| 606 | Plant Genetics | 1 | 147 | 1314 | 887 |
| 606 | Electrochemical Analysis | 7 | 147 | 1158 | 1298 |
| 608 | Signal Processing | 6 | 146 | 1627 | 1462 |
| 608 | mutation | 1 | 146 | 1324 | 748 |
| 608 | Chromosomes | 1 | 146 | 1959 | 1091 |
| 611 | Architecture | 3 | 145 | 795 | 250 |
| 611 | Physical organic chemistry | 3 | 145 | 1641 | 1145 |
| 611 | Sleep Disorders | 3 | 145 | 2191 | 1619 |
| 611 | Writing | 3 | 145 | 295 | 214 |
| 611 | Sleep | 3 | 145 | 2203 | 1628 |
| 616 | Diagnostic Imaging | 4 | 144 | 2323 | 1930 |
| 616 | pollutants | 6 | 144 | 1618 | 2071 |
| 616 | brain mapping | 2 | 144 | 999 | 857 |
| 619 | Process Control | 5 | 143 | 695 | 1043 |
| 619 | population policy | 2 | 143 | 236 | 117 |
| 619 | population trends | 2 | 143 | 119 | 161 |
| 619 | Demographic analysis | 2 | 143 | 32 | 20 |
| 619 | Population Dynamics | 2 | 143 | 294 | 145 |
| 624 | community development | 8 | 142 | 323 | 401 |
| 625 | Humanities | 4 | 141 | 1918 | 779 |
| 625 | Oncogenes | 3 | 141 | 1494 | 1829 |
| 625 | Family | 11 | 141 | 510 | 760 |
| 625 | Performance | 5 | 141 | 222 | 255 |
| 625 | Literacy | 8 | 141 | 152 | 152 |
| 630 | Geobiology | 3 | 140 | 567 | 452 |
| 630 | construction | 2 | 140 | 279 | 170 |
| 632 | Power Electronics | 2 | 139 | 934 | 451 |
| 632 | Molecular Spectroscopy | 4 | 139 | 1896 | 1512 |
| 634 | Landscape Ecology | 3 | 138 | 557 | 528 |
| 634 | Adult Education | 8 | 138 | 305 | 260 |
| 636 | corrections | 4 | 137 | 157 | 80 |
| 636 | Ore deposits | 2 | 137 | 713 | 465 |
| 638 | Functional Genomics | 1 | 136 | 714 | 408 |
| 638 | Sustainable agriculture | 5 | 136 | 621 | 649 |
| 638 | Optical materials | 3 | 136 | 2925 | 2687 |
| 638 | families | 14 | 136 | 352 | 598 |
| 642 | Hypertension | 6 | 135 | 1571 | 2314 |
| 642 | Metabolic diseases | 4 | 135 | 2768 | 3115 |
| 642 | Computer Literacy | 3 | 135 | 216 | 161 |
| 642 | Development | 4 | 135 | 822 | 909 |
| 646 | Psychopharmacology | 2 | 134 | 2452 | 1907 |
| 646 | Continuing Education | 12 | 134 | 145 | 181 |
| 646 | Soil fertility | 3 | 134 | 396 | 437 |
| 646 | Hospitals | 7 | 134 | 528 | 632 |
| 650 | Histochemistry | 5 | 133 | 1020 | 996 |
| 650 | Organizational Behavior | 4 | 133 | 549 | 627 |
| 650 | vibration | 6 | 133 | 1012 | 1006 |
| 650 | Commercial real estate | 10 | 133 | 10 | 13 |
| 650 | Molecular evolution | 4 | 133 | 1889 | 1966 |
| 650 | Acarology | 5 | 133 | 220 | 189 |
| 650 | Mites | 5 | 133 | 360 | 228 |
| 650 | Ticks | 5 | 133 | 248 | 190 |
| 650 | Acari | 5 | 133 | 212 | 187 |
| 659 | Auditing | 5 | 131 | 293 | 331 |
| 659 | drug abuse | 2 | 131 | 1036 | 560 |
| 661 | Infection control | 6 | 130 | 554 | 683 |
| 661 | Fracture mechanics | 5 | 130 | 1288 | 1219 |
| 661 | social justice | 5 | 130 | 263 | 106 |
| 661 | family violence | 3 | 130 | 474 | 422 |
| 661 | harm reduction | 1 | 130 | 502 | 161 |
| 661 | Oxidation-reduction | 1 | 130 | 1609 | 1283 |
| 667 | Pharmacokinetics | 1 | 128 | 2087 | 938 |
| 668 | Fertilizers | 3 | 127 | 439 | 358 |
| 669 | behavioral medicine | 5 | 126 | 1236 | 1691 |
| 669 | Calorimetry | 3 | 126 | 1386 | 817 |
| 669 | Pacific Islands | 4 | 126 | 311 | 130 |
| 669 | Thermal analysis | 3 | 126 | 1386 | 817 |
| 673 | Human Rights | 6 | 125 | 403 | 336 |
| 673 | Reproductive health | 5 | 125 | 696 | 762 |
| 675 | Mass Media | 38 | 124 | 146 | 366 |
| 675 | nucleic acids | 4 | 124 | 1973 | 2373 |
| 677 | Nonlinear Dynamics | 4 | 123 | 2230 | 1962 |
| 677 | Corporate governance | 1 | 123 | 1204 | 537 |
| 677 | technical education | 5 | 123 | 397 | 330 |
| 677 | Phylogeny | 3 | 123 | 1071 | 1148 |
| 681 | Archaeology | 4 | 122 | 1414 | 1056 |
| 682 | Literature | 16 | 121 | 370 | 60 |
| 682 | Family Therapy | 9 | 121 | 439 | 567 |
| 682 | proteins | 8 | 121 | 1709 | 2308 |
| 685 | Biosensors | 2 | 120 | 1832 | 1875 |
| 685 | Special Education | 4 | 120 | 791 | 541 |
| 685 | Surface-Active Agents | 2 | 120 | 1580 | 1315 |
| 685 | Surface properties | 2 | 120 | 1678 | 1439 |
| 685 | Bioelectronics | 2 | 120 | 1599 | 1700 |
| 685 | Psychiatric Epidemiology | 3 | 120 | 619 | 685 |
| 685 | Decision making | 5 | 120 | 1341 | 1378 |
| 685 | educational innovations | 3 | 120 | 587 | 402 |
| 693 | Pest control | 1 | 119 | 367 | 77 |
| 693 | Pesticides | 1 | 119 | 1437 | 542 |
| 695 | Nonprofit organizations | 2 | 117 | 494 | 266 |
| 696 | Quality Control | 7 | 116 | 1314 | 1844 |
| 696 | Functional foods | 2 | 116 | 594 | 362 |
| 696 | Phytotherapy | 2 | 116 | 1336 | 894 |
| 696 | Trace elements | 5 | 116 | 169 | 355 |
| 700 | Discourse Analysis | 2 | 115 | 530 | 294 |
| 700 | intergroup relations | 1 | 115 | 378 | 178 |
| 702 | Photonics | 4 | 114 | 1768 | 1909 |
| 702 | Food service management | 7 | 114 | 196 | 548 |
| 702 | Eastern Europe | 1 | 114 | 2010 | 432 |
| 705 | Geomorphology | 2 | 113 | 1865 | 1597 |
| 705 | Wildlife conservation | 3 | 113 | 1440 | 1585 |
| 705 | research and development | 3 | 113 | 351 | 322 |
| 708 | Socioeconomic Factors | 4 | 112 | 768 | 814 |
| 709 | Menopause | 2 | 111 | 497 | 288 |
| 710 | Speech-Language Pathology | 4 | 110 | 249 | 220 |
| 710 | Biogeochemical cycles | 1 | 110 | 838 | 780 |
| 712 | Neuropharmacology | 1 | 109 | 1262 | 687 |
| 712 | behavior therapy | 3 | 109 | 993 | 912 |
| 714 | Information Theory | 4 | 107 | 1243 | 1057 |
| 714 | Electrophysiology | 2 | 107 | 1790 | 1097 |
| 714 | Information Science | 8 | 107 | 1779 | 2605 |
| 717 | Global Health | 4 | 106 | 1162 | 908 |
| 717 | Intelligence | 3 | 106 | 256 | 284 |
| 717 | Holistic Health | 6 | 106 | 259 | 331 |
| 720 | nursing education | 2 | 105 | 209 | 57 |
| 720 | Plant hormones | 5 | 105 | 239 | 384 |
| 720 | counseling | 3 | 105 | 1646 | 1339 |
| 723 | Bioinformatics | 2 | 104 | 3141 | 2503 |
| 723 | Postcolonialism | 5 | 104 | 68 | 38 |
| 725 | Ethnic relations | 5 | 103 | 459 | 342 |
| 725 | Multimedia Systems | 6 | 103 | 1352 | 1221 |
| 727 | Computational Linguistics | 4 | 102 | 499 | 286 |
| 727 | psychophysics | 2 | 102 | 487 | 251 |
| 729 | Municipal Engineering | 2 | 100 | 571 | 330 |
| 730 | Immunogenetics | 5 | 99 | 699 | 880 |
| 730 | dietary supplements | 3 | 99 | 936 | 951 |
| 732 | Islam | 11 | 97 | 214 | 227 |
| 732 | Parasites | 4 | 97 | 1767 | 1755 |
| 734 | Cybernetics | 3 | 96 | 1589 | 1363 |
| 734 | Microbial Biotechnology | 4 | 96 | 962 | 1114 |
| 734 | Patient education | 2 | 96 | 998 | 876 |
| 734 | Radiation | 3 | 96 | 2789 | 2180 |
| 738 | Sociolinguistics | 8 | 95 | 251 | 353 |
| 738 | Architectural Design | 3 | 95 | 497 | 266 |
| 738 | Second Language Acquisition | 1 | 95 | 383 | 272 |
| 738 | pain management | 6 | 95 | 533 | 776 |
| 738 | International Education | 1 | 95 | 532 | 197 |
| 738 | freshwater biology | 6 | 95 | 748 | 1020 |
| 738 | herbicides | 3 | 95 | 333 | 291 |
| 745 | Social Change | 3 | 94 | 1131 | 1387 |
| 745 | Liquid chromatography | 13 | 94 | 170 | 314 |
| 747 | risk factors | 3 | 93 | 921 | 932 |
| 747 | older people | 3 | 93 | 2139 | 1424 |
| 749 | Horticulture | 3 | 92 | 928 | 706 |
| 749 | soil conservation | 6 | 92 | 562 | 927 |
| 749 | Crisis management | 3 | 92 | 173 | 132 |
| 752 | Pancreatic diseases | 3 | 91 | 705 | 448 |
| 753 | Development Economics | 2 | 90 | 703 | 487 |
| 753 | Viticulture | 4 | 90 | 125 | 131 |
| 753 | cultural pluralism | 4 | 90 | 349 | 294 |
| 756 | Forecasting | 12 | 89 | 169 | 572 |
| 756 | Ornithology | 7 | 89 | 779 | 897 |
| 756 | Cardiovascular diseases | 3 | 89 | 2132 | 1867 |
| 756 | consumers | 3 | 89 | 394 | 379 |
| 756 | Birds | 7 | 89 | 992 | 1071 |
| 756 | economic development projects | 1 | 89 | 489 | 179 |
| 762 | Forensic Psychiatry | 11 | 88 | 277 | 568 |
| 762 | Sexual health | 1 | 88 | 1644 | 763 |
| 764 | Geosynthetics | 2 | 87 | 204 | 132 |
| 764 | Urban Geography | 1 | 87 | 467 | 220 |
| 764 | Biomechanics | 3 | 87 | 1829 | 1753 |
| 764 | allied health | 4 | 87 | 208 | 274 |
| 764 | Fuzzy systems | 6 | 87 | 1321 | 1336 |
| 769 | Occupational Health | 4 | 86 | 1249 | 1131 |
| 769 | Solid State Physics | 4 | 86 | 3874 | 3638 |
| 769 | Strategic planning | 4 | 86 | 703 | 829 |
| 769 | Qualitative Research | 5 | 86 | 375 | 476 |
| 769 | automatic speech recognition | 3 | 86 | 146 | 162 |
| 769 | punishment | 2 | 86 | 156 | 81 |
| 775 | Mortgages | 4 | 84 | 163 | 223 |
| 775 | Molecular structure | 2 | 84 | 3580 | 2821 |
| 777 | Social policy | 5 | 83 | 885 | 919 |
| 778 | Art Therapy | 5 | 82 | 125 | 145 |
| 778 | radioactive waste | 2 | 82 | 1137 | 1501 |
| 778 | industrial waste | 2 | 82 | 1193 | 1508 |
| 781 | soil pollution | 5 | 81 | 410 | 588 |
| 781 | packaging | 2 | 81 | 186 | 135 |
| 783 | taxation | 3 | 80 | 259 | 258 |
| 783 | Randomized Controlled Trials | 3 | 80 | 1565 | 1283 |
| 783 | colonies | 3 | 80 | 24 | 15 |
| 783 | Bacteria | 2 | 80 | 584 | 739 |
| 783 | Bacterial infections | 2 | 80 | 1444 | 1616 |
| 783 | Jurisprudence | 5 | 80 | 863 | 921 |
| 783 | Breeding | 3 | 80 | 1483 | 1519 |
| 790 | Human-Computer Interaction | 2 | 79 | 2191 | 1711 |
| 790 | Wireless Communication Systems | 6 | 79 | 1703 | 1843 |
| 790 | Leadership | 3 | 79 | 548 | 720 |
| 790 | Human evolution | 1 | 79 | 840 | 628 |
| 790 | masculinity | 2 | 79 | 120 | 121 |
| 795 | Nationalism | 4 | 78 | 281 | 206 |
| 795 | correctional psychology | 1 | 78 | 447 | 317 |
| 795 | natural products | 5 | 78 | 1628 | 1854 |
| 798 | Herbal medicine | 2 | 77 | 1056 | 1171 |
| 798 | Cell differentiation | 2 | 77 | 2581 | 2919 |
| 800 | Numerical Analysis | 3 | 76 | 2667 | 2163 |
| 801 | Plant tissue culture | 6 | 75 | 551 | 974 |
| 801 | Drying | 1 | 75 | 797 | 448 |
| 801 | Hospitality industry | 3 | 75 | 427 | 439 |
| 801 | cell physiology | 2 | 75 | 2275 | 2545 |
| 801 | language | 6 | 75 | 602 | 940 |
| 806 | Histology | 6 | 74 | 1686 | 2688 |
| 806 | speech therapy | 3 | 74 | 458 | 439 |
| 806 | Nanostructures | 2 | 74 | 3218 | 2891 |
| 806 | Ethnology | 10 | 74 | 904 | 1326 |
| 806 | ethanol | 2 | 74 | 800 | 656 |
| 811 | Change management | 3 | 73 | 109 | 91 |
| 811 | design | 5 | 73 | 209 | 225 |
| 811 | Plant cell culture | 3 | 73 | 762 | 976 |
| 814 | Citizenship | 3 | 72 | 124 | 155 |
| 814 | Protozoa | 1 | 72 | 915 | 615 |
| 814 | conflict management | 8 | 72 | 138 | 357 |
| 817 | Veterinary Immunology | 5 | 71 | 304 | 489 |
| 817 | Semiotics | 12 | 71 | 112 | 126 |
| 819 | computer networks | 7 | 70 | 1854 | 2542 |
| 819 | Kidney diseases | 4 | 70 | 1117 | 1469 |
| 821 | Land Use Planning | 2 | 69 | 529 | 552 |
| 821 | food handling | 3 | 69 | 1049 | 1460 |
| 821 | Communication in medicine | 4 | 69 | 514 | 655 |
| 821 | crops | 2 | 69 | 235 | 119 |
| 825 | Wildlife management | 1 | 68 | 1202 | 643 |
| 825 | Communication in marketing | 1 | 68 | 376 | 195 |
| 825 | Radioisotopes | 2 | 68 | 1923 | 1254 |
| 828 | Fluid Dynamics | 3 | 67 | 1395 | 1371 |
| 828 | Analytical Biochemistry | 5 | 67 | 1695 | 2434 |
| 828 | industrial hygiene | 3 | 67 | 1467 | 1067 |
| 828 | Drug design | 1 | 67 | 3440 | 2532 |
| 828 | X-rays | 2 | 67 | 1123 | 755 |
| 833 | Political Geography | 3 | 66 | 301 | 352 |
| 833 | Hemodynamics | 3 | 66 | 804 | 1232 |
| 833 | data collection | 1 | 66 | 2521 | 1874 |
| 833 | Roads | 3 | 66 | 863 | 683 |
| 837 | Virtual reality | 1 | 65 | 824 | 451 |
| 837 | civil rights | 3 | 65 | 435 | 320 |
| 837 | Urbanization | 3 | 65 | 249 | 213 |
| 837 | preimplantation genetic diagnosis | 1 | 65 | 1002 | 646 |
| 837 | embryo transfer | 1 | 65 | 1033 | 670 |
| 837 | International security | 1 | 65 | 447 | 382 |
| 837 | Plastics | 8 | 65 | 1195 | 1922 |
| 837 | peace | 1 | 65 | 965 | 618 |
| 845 | epilepsy | 2 | 64 | 1566 | 1409 |
| 845 | Subjectivity | 1 | 64 | 87 | 38 |
| 845 | Regionalism | 2 | 64 | 318 | 232 |
| 845 | Political Participation | 2 | 64 | 452 | 368 |
| 849 | Climatology | 3 | 63 | 2118 | 2489 |
| 849 | Production Management | 3 | 63 | 1225 | 1728 |
| 849 | Aquaculture | 2 | 63 | 2055 | 1844 |
| 852 | Wireless Communication | 1 | 62 | 959 | 417 |
| 852 | Critical theory | 11 | 62 | 30 | 129 |
| 852 | Instructional systems | 3 | 62 | 170 | 169 |
| 855 | Real Estate Development | 5 | 61 | 15 | 26 |
| 855 | educational statistics | 1 | 61 | 197 | 147 |
| 855 | Parkinson's disease | 1 | 61 | 541 | 435 |
| 855 | NMR | 3 | 61 | 670 | 578 |
| 859 | Critical Legal Studies | 4 | 60 | 86 | 95 |
| 859 | Intelligent Control Systems | 6 | 60 | 831 | 948 |
| 859 | Planets | 1 | 60 | 2610 | 2477 |
| 859 | Sites | 1 | 60 | 1076 | 966 |
| 863 | Data Mining | 2 | 59 | 2629 | 2630 |
| 863 | Ceramics | 5 | 59 | 1432 | 1838 |
| 863 | Emergency Medicine | 2 | 59 | 2498 | 2103 |
| 863 | bioclimatology | 2 | 59 | 1384 | 1327 |
| 863 | Adolescent Psychology | 2 | 59 | 1269 | 1208 |
| 863 | visualization | 14 | 59 | 750 | 1184 |
| 863 | school-to-work transition | 3 | 59 | 77 | 82 |
| 863 | peptides | 4 | 59 | 948 | 1115 |
| 863 | school sports | 3 | 59 | 131 | 175 |
| 863 | family counseling | 6 | 59 | 65 | 131 |
| 863 | Yeast | 2 | 59 | 662 | 764 |
| 874 | Neurolinguistics | 3 | 58 | 509 | 738 |
| 874 | Indigenous Knowledge | 3 | 58 | 47 | 27 |
| 874 | Infertility | 1 | 58 | 2148 | 1788 |
| 874 | fertility | 1 | 58 | 2256 | 1882 |
| 878 | Agroforestry | 1 | 57 | 124 | 46 |
| 878 | Psychoneuroimmunology | 2 | 57 | 1064 | 1386 |
| 878 | Developmental Genetics | 1 | 57 | 1091 | 1206 |
| 878 | Mineralogy | 1 | 57 | 2460 | 1710 |
| 878 | Neuroimmunology | 2 | 57 | 1164 | 1512 |
| 878 | Gene expression regulation | 1 | 57 | 2140 | 1738 |
| 878 | DNA methylation | 1 | 57 | 712 | 698 |
| 885 | Applied Linguistics | 4 | 56 | 552 | 582 |
| 885 | Elderly | 2 | 56 | 1984 | 1138 |
| 885 | food service | 7 | 56 | 31 | 63 |
| 888 | Geriatric Nursing | 4 | 55 | 436 | 487 |
| 888 | Structural design | 2 | 55 | 1193 | 1095 |
| 888 | Disability Law | 3 | 55 | 195 | 231 |
| 888 | child mental health | 1 | 55 | 944 | 595 |
| 888 | Migration | 3 | 55 | 178 | 136 |
| 893 | Music Therapy | 2 | 54 | 341 | 242 |
| 893 | Demography | 1 | 54 | 1487 | 1084 |
| 893 | Public Spaces | 5 | 54 | 31 | 73 |
| 893 | Consumer education | 3 | 54 | 346 | 620 |
| 893 | personal space | 5 | 54 | 25 | 70 |
| 893 | drug interactions | 1 | 54 | 156 | 63 |
| 899 | Communication and Culture | 6 | 53 | 172 | 249 |
| 899 | Synaptic Transmission | 2 | 53 | 782 | 922 |
| 899 | acupuncture | 4 | 53 | 218 | 122 |
| 899 | Adventure education | 1 | 53 | 129 | 67 |
| 903 | Language Policy | 2 | 52 | 151 | 165 |
| 903 | Enteral nutrition | 1 | 52 | 1931 | 1721 |
| 903 | Parenteral nutrition | 1 | 52 | 2252 | 1985 |
| 903 | Marine resources | 3 | 52 | 817 | 1089 |
| 907 | Ecological Genetics | 3 | 51 | 804 | 857 |
| 907 | Conservation Biology | 3 | 51 | 1420 | 1943 |
| 907 | Information Retrieval | 1 | 51 | 1010 | 733 |
| 907 | Prisons | 2 | 51 | 483 | 326 |
| 907 | Glass | 4 | 51 | 1213 | 1707 |
| 907 | pottery | 4 | 51 | 1158 | 1671 |
| 907 | Bereavement | 4 | 51 | 133 | 214 |
| 914 | General Surgery | 1 | 50 | 1619 | 1018 |
| 914 | Mass Spectrometry | 3 | 50 | 1531 | 1840 |
| 914 | Ceramic materials | 2 | 50 | 1887 | 1839 |
| 914 | global environmental change | 2 | 50 | 1290 | 1672 |
| 914 | Communication Disorders | 2 | 50 | 493 | 417 |
| 914 | North America | 1 | 50 | 1985 | 1279 |
| 914 | Nonlinear mechanics | 2 | 50 | 604 | 570 |
| 921 | Fire Protection Engineering | 3 | 49 | 14 | 18 |
| 921 | Marine Geology | 3 | 49 | 681 | 855 |
| 921 | Evolutionary Genetics | 2 | 49 | 1092 | 1255 |
| 921 | Molecular Epidemiology | 2 | 49 | 1092 | 1255 |
| 921 | Metallurgy | 3 | 49 | 3027 | 3064 |
| 921 | Disability Studies | 2 | 49 | 428 | 336 |
| 921 | Depression | 1 | 49 | 844 | 955 |
| 921 | Anxiety Disorders | 1 | 49 | 1107 | 1219 |
| 921 | Anxiety | 1 | 49 | 1110 | 1209 |
| 921 | Social problems | 2 | 49 | 859 | 923 |
| 931 | Industrial Engineering | 3 | 48 | 2290 | 2690 |
| 931 | Nephrology | 1 | 48 | 1247 | 1257 |
| 931 | Nuclear Medicine | 1 | 48 | 2107 | 1604 |
| 931 | Molecular Imaging | 1 | 48 | 1378 | 1291 |
| 931 | Cardiac rehabilitation | 2 | 48 | 111 | 180 |
| 931 | Interfaces | 4 | 48 | 252 | 420 |
| 931 | particles | 3 | 48 | 1169 | 1484 |
| 938 | hospice care | 3 | 47 | 736 | 858 |
| 938 | Corporate Social Responsibility | 1 | 47 | 656 | 709 |
| 938 | environmental auditing | 1 | 47 | 682 | 718 |
| 938 | Medical innovations | 1 | 47 | 2251 | 2745 |
| 938 | Educational evaluation | 1 | 47 | 404 | 205 |
| 943 | Software Engineering | 8 | 46 | 695 | 1186 |
| 943 | Public Relations | 3 | 46 | 522 | 573 |
| 943 | Restoration Ecology | 1 | 46 | 980 | 772 |
| 946 | Optics | 3 | 45 | 5575 | 5002 |
| 946 | health workforce | 2 | 45 | 297 | 503 |
| 946 | Cognitive Behavioral Therapy | 1 | 45 | 500 | 411 |
| 946 | Consumer Protection | 1 | 45 | 437 | 324 |
| 946 | Supramolecular chemistry | 2 | 45 | 368 | 262 |
| 946 | Pharmacy management | 3 | 45 | 400 | 431 |
| 946 | Proteome | 3 | 45 | 1568 | 2417 |
| 946 | Customer Relations | 1 | 45 | 232 | 136 |
| 946 | grief | 3 | 45 | 61 | 22 |
| 955 | Material Culture | 2 | 44 | 175 | 129 |
| 955 | Luminescence | 3 | 44 | 1575 | 1748 |
| 955 | Language planning | 6 | 44 | 80 | 135 |
| 958 | Economic Thought | 1 | 43 | 593 | 648 |
| 958 | Behavioral research | 2 | 43 | 776 | 648 |
| 958 | Mineral resources | 2 | 43 | 823 | 1100 |
| 958 | Biometrics | 3 | 43 | 1358 | 1625 |
| 958 | Tropical Medicine | 3 | 43 | 2419 | 2914 |
| 958 | Fashion | 2 | 43 | 211 | 176 |
| 964 | Mining Engineering | 1 | 42 | 1148 | 756 |
| 964 | Thermodynamics | 3 | 42 | 1402 | 1316 |
| 964 | Oral Medicine | 1 | 42 | 1320 | 865 |
| 964 | Costume Design | 1 | 42 | 26 | 24 |
| 964 | Animal breeding | 1 | 42 | 1491 | 1173 |
| 964 | Magnetic Materials | 3 | 42 | 1678 | 2035 |
| 964 | Cytoskeleton | 1 | 42 | 589 | 595 |
| 964 | Hormones | 1 | 42 | 2605 | 2449 |
| 964 | cell movement | 1 | 42 | 531 | 581 |
| 964 | animal diseases | 2 | 42 | 722 | 872 |
| 964 | Product life cycle | 1 | 42 | 702 | 683 |
| 964 | green products | 1 | 42 | 615 | 661 |
| 964 | baking | 1 | 42 | 434 | 384 |
| 964 | ecotourism | 2 | 42 | 326 | 474 |
| 964 | biomedicine | 2 | 42 | 1464 | 1695 |
| 964 | Costume | 1 | 42 | 57 | 27 |
| 980 | Total Quality Management | 3 | 41 | 591 | 913 |
| 980 | Bibliometrics | 1 | 41 | 315 | 303 |
| 980 | DNS | 2 | 41 | 819 | 1027 |
| 980 | ethnic groups | 2 | 41 | 480 | 564 |
| 980 | primary prevention | 1 | 41 | 989 | 848 |
| 980 | Condensed Matter | 4 | 41 | 3475 | 4030 |
| 980 | DNA | 2 | 41 | 975 | 1071 |
| 987 | Radiology | 2 | 40 | 2585 | 2349 |
| 987 | Asthma | 3 | 40 | 928 | 1260 |
| 987 | Language Development | 4 | 40 | 200 | 378 |
| 987 | Nutrition physiology | 2 | 40 | 1215 | 1512 |
| 987 | Microscopy | 3 | 40 | 2148 | 2338 |
| 992 | Agricultural Engineering | 3 | 39 | 599 | 834 |
| 992 | Surveying | 1 | 39 | 399 | 126 |
| 992 | Cartography | 1 | 39 | 1202 | 569 |
| 992 | Petroleum Geology | 1 | 39 | 936 | 885 |
| 992 | Remote Sensing | 1 | 39 | 2895 | 1811 |
| 992 | Nuclear Chemistry | 1 | 39 | 2131 | 1381 |
| 992 | Pediatric Rheumatology | 1 | 39 | 580 | 420 |
| 992 | Geographic information systems | 2 | 39 | 1651 | 1521 |
| 992 | Radiochemistry | 1 | 39 | 2051 | 1243 |