| 1 | Public Health | 443 | 14.7K | 201 | 236 |
| 2 | Medicine | 508 | 13.0K | 560 | 719 |
| 3 | Science | 423 | 11.1K | 616 | 1005 |
| 4 | Psychiatry | 125 | 7.6K | 483 | 378 |
| 5 | Mental Disorders | 124 | 7.4K | 260 | 241 |
| 6 | Biology | 275 | 6.9K | 751 | 1283 |
| 7 | Epidemiology | 317 | 6.7K | 133 | 241 |
| 8 | Physics | 128 | 5.9K | 1585 | 1485 |
| 9 | Research | 287 | 5.7K | 693 | 923 |
| 10 | Toxicology | 205 | 5.7K | 329 | 433 |
| 11 | Environmental Policy | 117 | 5.4K | 220 | 269 |
| 12 | Oncology | 34 | 5.2K | 457 | 339 |
| 13 | Africa | 431 | 4.9K | 12 | 14 |
| 14 | Pharmacology | 206 | 4.7K | 540 | 652 |
| 15 | Microbiology | 157 | 4.6K | 770 | 972 |
| 16 | Biochemistry | 219 | 4.5K | 1115 | 1387 |
| 17 | Natural history | 93 | 4.5K | 433 | 957 |
| 18 | Food | 198 | 4.4K | 105 | 242 |
| 19 | Neurology | 105 | 4.1K | 804 | 836 |
| 20 | Ecology | 167 | 3.9K | 715 | 1108 |
| 21 | Developing countries | 145 | 3.4K | 83 | 153 |
| 22 | Pollution | 127 | 3.4K | 664 | 1029 |
| 23 | Mental illness | 60 | 3.3K | 279 | 285 |
| 24 | Environmental Health | 136 | 3.3K | 559 | 823 |
| 25 | Nutrition | 187 | 3.2K | 314 | 586 |
| 26 | food technology | 96 | 3.1K | 243 | 259 |
| 27 | Chemistry | 116 | 2.9K | 1780 | 1983 |
| 28 | Medicinal plants | 96 | 2.9K | 46 | 99 |
| 29 | Energy Policy | 50 | 2.9K | 460 | 386 |
| 30 | Pharmacognosy | 85 | 2.8K | 131 | 173 |
| 31 | Environment | 77 | 2.7K | 837 | 1170 |
| 32 | Human genetics | 28 | 2.6K | 529 | 701 |
| 33 | Environmental monitoring | 97 | 2.5K | 393 | 662 |
| 34 | Behavior | 28 | 2.5K | 957 | 643 |
| 35 | Tropical Medicine | 92 | 2.5K | 89 | 78 |
| 36 | Psychology | 119 | 2.5K | 648 | 753 |
| 37 | Economic History | 150 | 2.5K | 212 | 301 |
| 38 | energy conservation | 23 | 2.4K | 568 | 343 |
| 39 | environmental pollution | 79 | 2.4K | 708 | 888 |
| 40 | Economics | 82 | 2.4K | 778 | 635 |
| 41 | Environmental pollutants | 57 | 2.4K | 249 | 225 |
| 42 | Molecular Biology | 106 | 2.4K | 1316 | 1690 |
| 43 | Pediatrics | 53 | 2.2K | 392 | 397 |
| 44 | Environmental Toxicology | 59 | 2.2K | 264 | 336 |
| 45 | Cancer | 48 | 2.2K | 692 | 700 |
| 46 | Genetics | 48 | 2.1K | 751 | 785 |
| 47 | Contraception | 45 | 2.1K | 56 | 32 |
| 48 | Renewable Energy Sources | 55 | 2.0K | 379 | 712 |
| 49 | human behavior | 19 | 2.0K | 859 | 604 |
| 50 | Reproductive health | 38 | 1.9K | 76 | 34 |
| 51 | Food additives | 29 | 1.9K | 181 | 145 |
| 52 | Birth control | 33 | 1.9K | 44 | 21 |
| 53 | Colloids | 24 | 1.8K | 1439 | 948 |
| 54 | environmental protection | 78 | 1.8K | 395 | 656 |
| 55 | Psychophysiology | 14 | 1.8K | 1233 | 657 |
| 56 | Sociology | 99 | 1.8K | 349 | 470 |
| 57 | Malaria | 67 | 1.8K | 46 | 58 |
| 58 | Animal Behavior | 6 | 1.7K | 1240 | 451 |
| 58 | Ethology | 6 | 1.7K | 980 | 380 |
| 60 | Bacteriology | 40 | 1.6K | 414 | 474 |
| 60 | Adolescent | 74 | 1.6K | 236 | 310 |
| 62 | Virology | 66 | 1.6K | 492 | 825 |
| 63 | Obstetrics | 51 | 1.6K | 430 | 379 |
| 64 | Environmental Management | 48 | 1.5K | 517 | 704 |
| 65 | Botany | 94 | 1.5K | 658 | 1022 |
| 66 | Earth Sciences | 183 | 1.5K | 178 | 681 |
| 67 | Global Health | 112 | 1.5K | 28 | 64 |
| 68 | Child | 63 | 1.4K | 331 | 383 |
| 69 | Parasitology | 84 | 1.4K | 208 | 349 |
| 70 | economic policy | 70 | 1.4K | 270 | 273 |
| 71 | Geophysics | 116 | 1.4K | 521 | 860 |
| 72 | Adolescent Medicine | 14 | 1.4K | 172 | 147 |
| 73 | Food Microbiology | 22 | 1.4K | 299 | 236 |
| 74 | hydrocolloids | 15 | 1.4K | 200 | 162 |
| 75 | Plant diseases | 106 | 1.3K | 173 | 346 |
| 76 | energy resources | 19 | 1.3K | 406 | 402 |
| 77 | Pregnancy | 37 | 1.3K | 91 | 74 |
| 78 | Hypertension | 27 | 1.3K | 422 | 492 |
| 79 | drug toxicity | 24 | 1.3K | 21 | 10 |
| 80 | Health | 75 | 1.3K | 225 | 380 |
| 81 | Environmental Engineering | 64 | 1.3K | 572 | 943 |
| 82 | Agriculture | 141 | 1.2K | 104 | 390 |
| 83 | Alternative Medicine | 48 | 1.2K | 130 | 151 |
| 84 | Medical genetics | 20 | 1.2K | 825 | 772 |
| 85 | Community Psychiatry | 34 | 1.2K | 149 | 177 |
| 85 | complementary therapies | 48 | 1.2K | 130 | 160 |
| 87 | Animal health | 92 | 1.2K | 10 | 13 |
| 88 | Biomass Energy | 32 | 1.2K | 587 | 770 |
| 89 | health planning | 41 | 1.2K | 368 | 282 |
| 90 | Health Policy | 61 | 1.1K | 326 | 422 |
| 91 | Social Sciences | 82 | 1.1K | 436 | 599 |
| 92 | Health Services Research | 55 | 1.1K | 222 | 290 |
| 93 | Primary health care | 51 | 1.1K | 237 | 279 |
| 94 | Economic Development | 81 | 1.1K | 115 | 397 |
| 95 | Ethnology | 44 | 1.1K | 201 | 131 |
| 96 | Atmospheric Physics | 68 | 1.0K | 255 | 442 |
| 97 | Geology | 105 | 1.0K | 469 | 830 |
| 98 | United States | 74 | 1.0K | 808 | 1178 |
| 99 | Soil Science | 64 | 990 | 227 | 480 |
| 100 | Biotechnology | 41 | 969 | 1518 | 1908 |
| 101 | Library Science | 120 | 963 | 10 | 33 |
| 102 | Zoology | 109 | 952 | 240 | 557 |
| 103 | Neurochemistry | 26 | 941 | 760 | 736 |
| 104 | Entomology | 71 | 938 | 304 | 420 |
| 105 | Mineral resources | 27 | 935 | 44 | 61 |
| 106 | Psychiatric Epidemiology | 21 | 916 | 91 | 96 |
| 107 | Medical Anthropology | 28 | 887 | 287 | 378 |
| 108 | Industrial Microbiology | 30 | 886 | 416 | 600 |
| 109 | finance | 28 | 882 | 685 | 573 |
| 110 | Recycling | 7 | 857 | 310 | 198 |
| 111 | Physiology | 34 | 853 | 1159 | 1302 |
| 112 | Radiation | 51 | 823 | 327 | 422 |
| 113 | Clinical Pharmacology | 22 | 817 | 362 | 278 |
| 114 | Chemical Engineering | 24 | 803 | 1781 | 1802 |
| 115 | Food Preservation | 46 | 802 | 41 | 51 |
| 116 | water reuse | 18 | 801 | 25 | 19 |
| 117 | Environmental Geology | 31 | 796 | 295 | 374 |
| 117 | Cardiovascular system | 3 | 796 | 1015 | 601 |
| 119 | Brain | 18 | 777 | 1059 | 921 |
| 120 | Engineering | 43 | 770 | 1012 | 1059 |
| 121 | Women's health | 43 | 767 | 149 | 202 |
| 122 | Mycology | 59 | 766 | 199 | 465 |
| 123 | Education | 98 | 761 | 476 | 865 |
| 124 | Climatology | 35 | 759 | 402 | 565 |
| 125 | Neuropsychology | 16 | 758 | 913 | 713 |
| 126 | Dementia | 51 | 754 | 230 | 252 |
| 127 | Parasitic Diseases | 35 | 749 | 372 | 520 |
| 128 | Geriatrics | 34 | 747 | 702 | 763 |
| 129 | Mental Health Services | 39 | 722 | 201 | 270 |
| 130 | Australia | 24 | 720 | 416 | 316 |
| 131 | Alzheimer's disease | 50 | 716 | 249 | 307 |
| 132 | Socioeconomic Factors | 25 | 715 | 125 | 138 |
| 133 | Sustainable Development | 28 | 707 | 355 | 599 |
| 134 | health services accessibility | 61 | 701 | 66 | 180 |
| 135 | Radiation Protection | 45 | 670 | 28 | 24 |
| 136 | Parasites | 39 | 668 | 234 | 379 |
| 137 | Meteorology | 38 | 660 | 512 | 837 |
| 137 | Mental Health | 44 | 660 | 255 | 385 |
| 139 | Health Services Administration | 23 | 655 | 199 | 205 |
| 140 | Information Science | 67 | 647 | 264 | 858 |
| 140 | econometric models | 9 | 647 | 232 | 85 |
| 142 | food contamination | 22 | 646 | 154 | 123 |
| 143 | Microbial Biotechnology | 25 | 641 | 115 | 171 |
| 144 | Pathology | 20 | 621 | 683 | 727 |
| 145 | Obesity | 8 | 616 | 1000 | 720 |
| 145 | pollutants | 17 | 616 | 628 | 668 |
| 147 | Mathematics | 71 | 615 | 1556 | 1746 |
| 147 | natural disasters | 11 | 615 | 530 | 342 |
| 149 | Geriatric Psychiatry | 22 | 610 | 220 | 251 |
| 150 | Kidney diseases | 11 | 603 | 371 | 245 |
| 151 | Cytology | 37 | 601 | 1106 | 1651 |
| 152 | Health Education | 45 | 580 | 340 | 514 |
| 153 | Nervous system | 18 | 579 | 885 | 958 |
| 154 | Genomics | 24 | 576 | 929 | 1111 |
| 155 | Anatomy | 57 | 573 | 333 | 659 |
| 156 | Dermatology | 7 | 569 | 952 | 532 |
| 157 | Medical Microbiology | 23 | 560 | 674 | 914 |
| 157 | Diet | 14 | 560 | 769 | 866 |
| 159 | Cell Biology | 40 | 557 | 992 | 1662 |
| 159 | economic analysis | 5 | 557 | 139 | 25 |
| 161 | Phytotherapy | 20 | 556 | 64 | 108 |
| 162 | Waste management | 17 | 552 | 434 | 311 |
| 163 | International Finance | 25 | 551 | 470 | 579 |
| 164 | Urbanization | 8 | 550 | 51 | 21 |
| 165 | Pediatric Neurology | 5 | 539 | 585 | 490 |
| 166 | Diagnostic microbiology | 8 | 538 | 574 | 575 |
| 167 | animal diseases | 12 | 527 | 176 | 93 |
| 168 | Morphology | 53 | 523 | 68 | 180 |
| 168 | starch | 22 | 523 | 35 | 59 |
| 170 | Biomedical Engineering | 26 | 520 | 1675 | 1993 |
| 171 | Geochemistry | 24 | 516 | 693 | 831 |
| 172 | radiation monitoring | 32 | 510 | 39 | 31 |
| 173 | Geography | 56 | 509 | 347 | 760 |
| 174 | soil microbiology | 27 | 503 | 394 | 791 |
| 175 | Environmental Law | 16 | 501 | 333 | 586 |
| 176 | Municipal Engineering | 13 | 500 | 46 | 31 |
| 177 | Middle East | 49 | 499 | 73 | 134 |
| 178 | Petroleum Engineering | 25 | 493 | 151 | 192 |
| 178 | United Kingdom | 33 | 493 | 343 | 603 |
| 180 | Biomass | 5 | 491 | 469 | 225 |
| 181 | toxicity testing | 16 | 484 | 98 | 117 |
| 182 | Human Geography | 63 | 480 | 117 | 345 |
| 182 | radioactive waste | 4 | 480 | 676 | 425 |
| 182 | industrial waste | 5 | 480 | 601 | 426 |
| 182 | Hazardous waste | 4 | 480 | 808 | 454 |
| 186 | Biodegradation | 17 | 477 | 107 | 187 |
| 187 | viruses | 10 | 475 | 624 | 639 |
| 188 | medical education | 27 | 473 | 441 | 534 |
| 188 | commerce | 20 | 473 | 407 | 580 |
| 190 | Surface Chemistry | 12 | 472 | 1964 | 1736 |
| 190 | Taste | 23 | 472 | 33 | 50 |
| 190 | flavor | 23 | 472 | 19 | 34 |
| 190 | smell | 23 | 472 | 33 | 50 |
| 194 | plant oils | 33 | 470 | 22 | 32 |
| 195 | Soil biology | 16 | 469 | 332 | 511 |
| 196 | Quality Control | 12 | 464 | 668 | 555 |
| 197 | Public Policy | 21 | 460 | 510 | 629 |
| 198 | Teaching | 22 | 458 | 531 | 556 |
| 199 | Agricultural Ecology | 24 | 455 | 219 | 492 |
| 199 | alcoholism | 15 | 455 | 538 | 567 |
| 199 | Birds | 11 | 455 | 557 | 316 |
| 202 | management | 29 | 452 | 1094 | 1632 |
| 203 | Marine Biology | 19 | 450 | 1002 | 1106 |
| 204 | Solar Energy | 17 | 446 | 584 | 813 |
| 205 | Edible plants | 23 | 444 | 7 | 30 |
| 206 | Sustainable agriculture | 18 | 443 | 133 | 212 |
| 207 | Egypt | 30 | 439 | 46 | 100 |
| 208 | world | 21 | 430 | 162 | 375 |
| 209 | hazard mitigation | 8 | 427 | 421 | 273 |
| 210 | Agricultural Chemistry | 43 | 426 | 410 | 988 |
| 211 | Wildlife management | 44 | 425 | 65 | 140 |
| 211 | Breeding | 20 | 425 | 364 | 464 |
| 213 | pain | 5 | 420 | 867 | 569 |
| 214 | bioclimatology | 27 | 416 | 102 | 248 |
| 214 | Vaccines | 23 | 416 | 455 | 631 |
| 216 | Ornithology | 9 | 413 | 511 | 282 |
| 217 | Biophysics | 22 | 411 | 1945 | 2296 |
| 217 | food handling | 7 | 411 | 481 | 345 |
| 219 | Nephrology | 5 | 408 | 334 | 249 |
| 220 | Animal ecology | 42 | 407 | 228 | 495 |
| 221 | Engineering Geology | 11 | 406 | 698 | 608 |
| 222 | Metabolism | 14 | 404 | 996 | 1186 |
| 223 | Neurotoxicology | 11 | 401 | 171 | 207 |
| 223 | Aquaculture | 18 | 401 | 512 | 568 |
| 225 | Biochemical Engineering | 8 | 399 | 1939 | 1971 |
| 226 | biological factors | 26 | 390 | 490 | 788 |
| 227 | Industrial Engineering | 9 | 382 | 988 | 774 |
| 228 | Materials | 26 | 381 | 2165 | 2545 |
| 229 | Hydrogeology | 5 | 380 | 462 | 196 |
| 230 | Technology | 38 | 377 | 960 | 1550 |
| 231 | energy development | 12 | 376 | 254 | 421 |
| 232 | Catalysis | 10 | 375 | 1999 | 1940 |
| 233 | Substance Abuse | 17 | 374 | 502 | 560 |
| 234 | Pharmaceutical Chemistry | 21 | 372 | 1360 | 1661 |
| 234 | Quality of life | 10 | 372 | 653 | 645 |
| 236 | Radiology | 22 | 370 | 390 | 408 |
| 237 | poverty | 15 | 368 | 64 | 87 |
| 238 | Cytogenetics | 7 | 366 | 759 | 721 |
| 239 | Medical Ethics | 15 | 363 | 421 | 290 |
| 240 | Functional foods | 11 | 361 | 90 | 91 |
| 240 | ecosystem | 8 | 361 | 733 | 738 |
| 240 | Chromosomes | 5 | 361 | 638 | 433 |
| 243 | planning | 22 | 357 | 118 | 160 |
| 244 | Pesticides | 25 | 355 | 93 | 148 |
| 245 | kidney | 4 | 354 | 49 | 34 |
| 246 | Water pollution | 17 | 352 | 1118 | 1521 |
| 246 | drug addiction | 7 | 352 | 630 | 541 |
| 248 | Risk assessment | 20 | 351 | 66 | 98 |
| 249 | healthcare disparities | 13 | 347 | 150 | 141 |
| 249 | food consumption | 6 | 347 | 24 | 20 |
| 251 | soil management | 13 | 344 | 180 | 284 |
| 252 | cosmic rays | 17 | 341 | 117 | 128 |
| 253 | Microbial Ecology | 9 | 338 | 1161 | 1321 |
| 253 | clay | 7 | 338 | 467 | 428 |
| 255 | Asia | 37 | 337 | 484 | 886 |
| 256 | Nuclear Chemistry | 25 | 333 | 265 | 299 |
| 257 | food industry | 6 | 332 | 424 | 138 |
| 257 | Minerals | 15 | 332 | 184 | 231 |
| 259 | Environmental Geochemistry | 14 | 329 | 80 | 105 |
| 259 | Cosmochemistry | 6 | 329 | 586 | 448 |
| 259 | China | 24 | 329 | 860 | 1155 |
| 259 | Europe | 22 | 329 | 1013 | 1152 |
| 263 | carcinogens | 22 | 328 | 206 | 499 |
| 264 | natural products | 38 | 321 | 321 | 699 |
| 265 | Social Psychology | 18 | 318 | 828 | 1135 |
| 266 | Plant breeding | 11 | 317 | 296 | 289 |
| 266 | gene mapping | 5 | 317 | 1289 | 1029 |
| 268 | city planning | 23 | 316 | 467 | 709 |
| 269 | drug resistance | 10 | 315 | 234 | 263 |
| 270 | environmental exposure | 13 | 314 | 800 | 1009 |
| 271 | Medical Oncology | 13 | 313 | 648 | 820 |
| 271 | Water | 20 | 313 | 893 | 1543 |
| 271 | Immunochemistry | 59 | 313 | 42 | 376 |
| 274 | Infections | 14 | 312 | 391 | 625 |
| 275 | Chromosome mapping | 4 | 311 | 1320 | 924 |
| 276 | Urology | 11 | 307 | 707 | 688 |
| 277 | Food Policy | 13 | 306 | 78 | 163 |
| 277 | drugs | 26 | 306 | 532 | 924 |
| 279 | Manufacturing Processes | 10 | 304 | 1269 | 1130 |
| 280 | Pharmaceutical Technology | 17 | 302 | 548 | 795 |
| 280 | Bioremediation | 9 | 302 | 320 | 348 |
| 280 | Plant physiology | 19 | 302 | 834 | 1282 |
| 280 | Health Risk Assessment | 16 | 302 | 53 | 75 |
| 284 | Nanostructured Materials | 12 | 297 | 1575 | 1694 |
| 284 | immunoassay | 57 | 297 | 4 | 9 |
| 286 | Hydrology | 23 | 294 | 771 | 1154 |
| 287 | health workforce | 5 | 293 | 103 | 86 |
| 287 | Toxins | 16 | 293 | 200 | 332 |
| 289 | Schizophrenia | 5 | 290 | 671 | 568 |
| 290 | Ethics | 8 | 286 | 499 | 292 |
| 291 | Eastern Europe | 9 | 285 | 363 | 146 |
| 292 | Humanities | 21 | 284 | 411 | 415 |
| 293 | Mutagenesis | 19 | 282 | 48 | 107 |
| 293 | teratogenic agents | 19 | 282 | 12 | 24 |
| 295 | Antibacterial agents | 1 | 281 | 935 | 327 |
| 296 | Statistics | 25 | 277 | 924 | 1051 |
| 297 | Cardiovascular diseases | 16 | 276 | 589 | 685 |
| 298 | drug therapy | 22 | 275 | 667 | 967 |
| 299 | international cooperation | 34 | 273 | 66 | 265 |
| 300 | India | 40 | 272 | 119 | 200 |
| 301 | Infection control | 11 | 270 | 61 | 105 |
| 302 | Immunology | 20 | 269 | 1076 | 1618 |
| 302 | Psychopharmacology | 8 | 269 | 796 | 840 |
| 304 | Development | 13 | 262 | 274 | 486 |
| 304 | Radiation dosimetry | 22 | 262 | 52 | 63 |
| 306 | Economic Assistance | 10 | 259 | 290 | 446 |
| 307 | Herbal medicine | 7 | 252 | 380 | 419 |
| 308 | disease vectors | 8 | 251 | 492 | 478 |
| 309 | Health Physics | 10 | 248 | 31 | 17 |
| 310 | Clinical Chemistry | 22 | 246 | 875 | 1452 |
| 311 | Risk Management | 4 | 245 | 521 | 300 |
| 312 | Smoking | 2 | 244 | 812 | 443 |
| 312 | Bacterial infections | 15 | 244 | 225 | 563 |
| 312 | free radicals | 4 | 244 | 1041 | 980 |
| 315 | adolescence | 21 | 243 | 257 | 528 |
| 316 | Nursing | 18 | 240 | 687 | 752 |
| 317 | Environmental Chemistry | 15 | 239 | 790 | 1425 |
| 317 | Integrative Medicine | 28 | 239 | 39 | 54 |
| 319 | Randomized Controlled Trials | 12 | 237 | 407 | 348 |
| 320 | health behavior | 10 | 235 | 420 | 478 |
| 321 | Pharmacy | 10 | 231 | 1073 | 1156 |
| 322 | Steroids | 9 | 229 | 473 | 494 |
| 323 | eugenics | 10 | 224 | 207 | 238 |
| 324 | Tourism | 12 | 222 | 740 | 1205 |
| 324 | tillage | 8 | 222 | 194 | 319 |
| 326 | Technological Innovations | 25 | 221 | 146 | 584 |
| 327 | Palynology | 3 | 220 | 214 | 47 |
| 327 | Psychosomatic Medicine | 3 | 220 | 666 | 487 |
| 327 | Lipids | 9 | 220 | 660 | 872 |
| 330 | Immunotherapy | 10 | 216 | 827 | 1105 |
| 331 | Hematology | 13 | 215 | 887 | 1105 |
| 331 | Holistic Health | 29 | 215 | 24 | 157 |
| 333 | Climate | 12 | 214 | 177 | 333 |
| 333 | weather | 12 | 214 | 161 | 296 |
| 335 | Soil fertility | 9 | 211 | 122 | 244 |
| 335 | Soil ecology | 9 | 211 | 372 | 545 |
| 337 | Nutrition physiology | 20 | 210 | 146 | 458 |
| 338 | Biogeochemistry | 4 | 208 | 853 | 793 |
| 338 | Organic Geochemistry | 4 | 208 | 298 | 279 |
| 340 | infection | 12 | 207 | 648 | 953 |
| 341 | Depression | 1 | 206 | 574 | 327 |
| 341 | Anxiety Disorders | 1 | 206 | 752 | 457 |
| 341 | Anxiety | 1 | 206 | 756 | 461 |
| 344 | Nanotechnology | 10 | 201 | 2547 | 2898 |
| 344 | Surgery | 24 | 201 | 448 | 981 |
| 346 | violence | 14 | 200 | 391 | 615 |
| 347 | epilepsy | 6 | 199 | 570 | 481 |
| 348 | Building Materials | 5 | 195 | 1355 | 1409 |
| 349 | Reproduction | 19 | 193 | 825 | 1238 |
| 350 | Travel | 22 | 192 | 147 | 347 |
| 350 | data protection | 8 | 192 | 230 | 188 |
| 352 | behavioral medicine | 7 | 191 | 745 | 1006 |
| 352 | Carbon | 3 | 191 | 1230 | 1139 |
| 354 | mutation | 2 | 190 | 635 | 424 |
| 355 | Bioengineering | 10 | 187 | 2197 | 2755 |
| 355 | Evolutionary Genetics | 5 | 187 | 439 | 342 |
| 355 | Molecular Epidemiology | 5 | 187 | 439 | 342 |
| 355 | Biodiversity | 15 | 187 | 874 | 1342 |
| 359 | Adolescent Psychology | 9 | 185 | 421 | 535 |
| 360 | child abuse | 7 | 184 | 490 | 587 |
| 361 | economic conditions | 20 | 183 | 111 | 344 |
| 361 | Telecommunication | 10 | 183 | 1429 | 1543 |
| 361 | Germany | 21 | 183 | 118 | 125 |
| 364 | Food Security | 7 | 182 | 54 | 101 |
| 365 | Physical Therapy | 17 | 180 | 426 | 817 |
| 366 | environmental remediation | 13 | 178 | 35 | 155 |
| 367 | Paleoecology | 4 | 177 | 872 | 746 |
| 367 | Transportation | 11 | 177 | 809 | 1037 |
| 369 | Neurosurgery | 3 | 173 | 808 | 629 |
| 370 | Petroleum Geology | 9 | 172 | 259 | 353 |
| 371 | Genetic Toxicology | 3 | 171 | 407 | 345 |
| 371 | Neonatology | 9 | 171 | 234 | 314 |
| 371 | agricultural policy | 2 | 171 | 280 | 219 |
| 371 | aromatic plants | 23 | 171 | 20 | 48 |
| 375 | Analytical Chemistry | 19 | 170 | 1817 | 2697 |
| 375 | Gerontology | 21 | 170 | 601 | 983 |
| 377 | Ophthalmology | 10 | 169 | 904 | 1064 |
| 378 | Neurophysiology | 16 | 168 | 1149 | 1810 |
| 378 | Fungi | 13 | 168 | 411 | 802 |
| 380 | Mineralogy | 8 | 167 | 778 | 817 |
| 380 | Statistical physics | 8 | 167 | 2021 | 2010 |
| 380 | Molecular structure | 10 | 167 | 1342 | 1450 |
| 383 | Agronomy | 5 | 166 | 275 | 399 |
| 384 | Oral Medicine | 12 | 165 | 289 | 314 |
| 384 | computer networks | 8 | 165 | 1509 | 1640 |
| 386 | Emerging infectious diseases | 2 | 163 | 374 | 194 |
| 387 | Hemodynamics | 3 | 160 | 525 | 565 |
| 387 | venom | 10 | 160 | 293 | 459 |
| 389 | Soil | 6 | 158 | 35 | 68 |
| 389 | pharmaceutical industry | 5 | 158 | 410 | 297 |
| 391 | herbs | 17 | 157 | 2 | 3 |
| 392 | Animal breeding | 13 | 156 | 330 | 498 |
| 393 | Geomorphology | 7 | 154 | 909 | 1126 |
| 394 | ecological risk assessment | 7 | 153 | 58 | 120 |
| 394 | System analysis | 10 | 153 | 1320 | 1565 |
| 396 | Globalization | 13 | 151 | 169 | 339 |
| 396 | drug evaluation | 17 | 151 | 400 | 868 |
| 398 | animals | 15 | 150 | 442 | 646 |
| 399 | Plant Ecology | 5 | 148 | 1276 | 1408 |
| 400 | Development Economics | 5 | 147 | 269 | 269 |
| 400 | Flood forecasting | 2 | 147 | 138 | 43 |
| 400 | Flood control | 2 | 147 | 332 | 88 |
| 400 | Communication | 18 | 147 | 765 | 1413 |
| 400 | sex crimes | 10 | 147 | 288 | 428 |
| 405 | Information Technology | 13 | 146 | 1090 | 1679 |
| 406 | Marine Ecology | 5 | 143 | 580 | 487 |
| 406 | mathematical analysis | 13 | 143 | 1363 | 1346 |
| 408 | Otolaryngology | 6 | 142 | 311 | 322 |
| 408 | Mathematical Physics | 21 | 142 | 1193 | 1656 |
| 408 | Electrochemistry | 4 | 142 | 2877 | 2329 |
| 408 | North America | 4 | 142 | 669 | 427 |
| 408 | Culture | 11 | 142 | 497 | 489 |
| 408 | hygiene | 7 | 142 | 223 | 329 |
| 414 | Structural Engineering | 5 | 141 | 1217 | 1083 |
| 414 | Phytochemistry | 10 | 141 | 49 | 171 |
| 414 | Systems Analysis | 6 | 141 | 784 | 720 |
| 414 | Phytoremediation | 10 | 141 | 49 | 171 |
| 414 | Pest control | 20 | 141 | 11 | 43 |
| 414 | Bioreactors | 10 | 141 | 49 | 171 |
| 420 | Paleobotany | 2 | 140 | 210 | 117 |
| 420 | Aging | 20 | 140 | 902 | 1599 |
| 422 | Animal Nutrition | 17 | 136 | 178 | 364 |
| 422 | Insects | 10 | 136 | 737 | 908 |
| 424 | Regional Planning | 23 | 135 | 473 | 1044 |
| 425 | Genetic engineering | 5 | 134 | 1429 | 1519 |
| 425 | Forecasting | 6 | 134 | 331 | 366 |
| 425 | older people | 17 | 134 | 551 | 796 |
| 428 | Optics | 5 | 133 | 2922 | 2333 |
| 428 | herbicides | 7 | 133 | 137 | 161 |
| 430 | Spectrum analysis | 11 | 132 | 2287 | 2761 |
| 431 | Archaeology | 8 | 131 | 773 | 794 |
| 431 | Molecular evolution | 5 | 131 | 1041 | 1281 |
| 433 | Solid State Physics | 12 | 130 | 2054 | 2368 |
| 434 | Research Design | 5 | 129 | 818 | 879 |
| 435 | Attention | 10 | 128 | 760 | 1076 |
| 436 | Vegetation dynamics | 1 | 127 | 297 | 123 |
| 437 | Clinical Psychology | 3 | 126 | 1065 | 942 |
| 437 | Child welfare | 14 | 126 | 391 | 717 |
| 439 | Ecosystem management | 7 | 125 | 379 | 526 |
| 440 | Social problems | 6 | 124 | 405 | 520 |
| 441 | environmental indicators | 3 | 123 | 1131 | 1158 |
| 441 | Evidence-Based Medicine | 3 | 123 | 665 | 511 |
| 441 | libraries | 27 | 123 | 80 | 295 |
| 444 | Diagnostic Imaging | 6 | 122 | 1178 | 1193 |
| 445 | Public Administration | 12 | 120 | 645 | 875 |
| 445 | Nanoparticles | 4 | 120 | 1584 | 1517 |
| 445 | Safety management | 10 | 120 | 163 | 278 |
| 445 | biological evolution | 8 | 120 | 1132 | 1747 |
| 449 | Anthropology | 11 | 119 | 746 | 962 |
| 449 | women's rights | 6 | 119 | 63 | 91 |
| 449 | Forest Management | 18 | 119 | 301 | 827 |
| 449 | African Americans | 17 | 119 | 28 | 82 |
| 453 | emergency management | 4 | 118 | 561 | 535 |
| 454 | Andrology | 3 | 117 | 537 | 420 |
| 454 | Screening | 1 | 117 | 346 | 99 |
| 456 | Organic Chemistry | 7 | 116 | 2019 | 2239 |
| 456 | Molecular Genetics | 3 | 116 | 1506 | 1576 |
| 456 | Luminescence | 5 | 116 | 1096 | 959 |
| 459 | Fertilizers | 8 | 115 | 166 | 290 |
| 460 | rehabilitation | 9 | 114 | 1135 | 1585 |
| 461 | Child Development | 8 | 113 | 1073 | 1433 |
| 461 | Aquatic ecosystems | 6 | 113 | 66 | 56 |
| 461 | Physical fitness | 4 | 113 | 855 | 849 |
| 461 | Aquatic ecology | 6 | 113 | 615 | 674 |
| 465 | Family | 6 | 112 | 652 | 713 |
| 466 | Population Genetics | 2 | 110 | 1211 | 1088 |
| 466 | Metabolic diseases | 8 | 110 | 1099 | 1634 |
| 466 | Bioorganic chemistry | 3 | 110 | 2403 | 2190 |
| 466 | Child psychology | 6 | 110 | 948 | 1225 |
| 466 | Molecular ecology | 2 | 110 | 1066 | 1102 |
| 471 | Visual Perception | 9 | 109 | 760 | 1099 |
| 471 | Memory | 9 | 109 | 862 | 1275 |
| 471 | Perception | 9 | 109 | 883 | 1238 |
| 474 | Political Science | 14 | 108 | 813 | 1019 |
| 475 | Animal genetics | 3 | 107 | 538 | 469 |
| 476 | Population | 22 | 106 | 188 | 770 |
| 477 | Mechanical Engineering | 8 | 105 | 1550 | 1554 |
| 477 | Histochemistry | 13 | 105 | 421 | 770 |
| 477 | Forest Ecology | 16 | 105 | 365 | 907 |
| 477 | Molecular Spectroscopy | 6 | 105 | 1334 | 1470 |
| 477 | Pathogens | 9 | 105 | 11 | 68 |
| 482 | counseling | 11 | 104 | 628 | 947 |
| 483 | dietary supplements | 4 | 103 | 713 | 829 |
| 483 | Water quality management | 10 | 103 | 914 | 1371 |
| 485 | Public Relations | 5 | 102 | 306 | 331 |
| 485 | families | 5 | 102 | 658 | 598 |
| 485 | Ore deposits | 4 | 102 | 445 | 474 |
| 488 | drug control | 3 | 101 | 329 | 309 |
| 488 | African American | 15 | 101 | 17 | 73 |
| 490 | Magnetic Resonance Spectroscopy | 2 | 100 | 1198 | 761 |
| 491 | Histology | 8 | 99 | 1041 | 1496 |
| 491 | Apoptosis | 3 | 99 | 237 | 244 |
| 491 | neurotoxins | 3 | 99 | 237 | 244 |
| 491 | Neurotoxic agents | 3 | 99 | 237 | 244 |
| 491 | Therapeutics | 6 | 99 | 978 | 1285 |
| 491 | Nerve regeneration | 3 | 99 | 237 | 244 |
| 497 | Emergency Medical Services | 2 | 98 | 758 | 463 |
| 498 | Immunopharmacology | 2 | 97 | 1186 | 938 |
| 498 | Vietnam | 3 | 97 | 72 | 36 |
| 498 | plant communities | 4 | 97 | 860 | 1100 |
| 501 | Urban Policy | 9 | 96 | 399 | 830 |
| 501 | Veterinary Epidemiology | 4 | 96 | 22 | 48 |
| 501 | nuclear magnetic resonance | 1 | 96 | 1249 | 705 |
| 501 | Qualitative Research | 5 | 96 | 370 | 427 |
| 505 | Watershed management | 5 | 95 | 111 | 100 |
| 505 | cytokines | 2 | 95 | 1269 | 1147 |
| 505 | Methodology | 7 | 95 | 239 | 321 |
| 505 | miniaturization | 3 | 95 | 1634 | 1692 |
| 509 | Geographic information systems | 13 | 94 | 380 | 807 |
| 509 | Bioethics | 9 | 94 | 496 | 625 |
| 509 | Nonlinear Dynamics | 4 | 94 | 1566 | 1506 |
| 512 | Bioavailability | 3 | 93 | 62 | 53 |
| 512 | Cross-Cultural Studies | 5 | 93 | 492 | 586 |
| 512 | cross-cultural comparison | 5 | 93 | 356 | 397 |
| 512 | natural gas | 4 | 93 | 264 | 351 |
| 516 | Horticulture | 18 | 92 | 207 | 587 |
| 516 | Transnational corporations | 3 | 92 | 387 | 372 |
| 516 | Human biology | 4 | 92 | 526 | 479 |
| 519 | Sustainable Engineering | 6 | 91 | 1117 | 1627 |
| 519 | Diabetes mellitus | 8 | 91 | 982 | 1575 |
| 519 | ethanol | 6 | 91 | 295 | 420 |
| 519 | Diabetes | 8 | 91 | 1024 | 1607 |
| 523 | Biocompatible Materials | 4 | 90 | 2606 | 3072 |
| 523 | Mycotoxins | 6 | 90 | 67 | 105 |
| 523 | optical instruments | 2 | 90 | 395 | 274 |
| 526 | Materials Science | 8 | 89 | 2572 | 3190 |
| 526 | Biopharmaceutics | 4 | 89 | 860 | 1050 |
| 526 | Critical Care | 1 | 89 | 1443 | 1218 |
| 526 | Critical Care Medicine | 1 | 89 | 1368 | 1199 |
| 526 | Oxidative stress | 2 | 89 | 971 | 1154 |
| 526 | Cell metabolism | 5 | 89 | 437 | 894 |
| 526 | Oxidation-reduction | 1 | 89 | 1061 | 986 |
| 533 | Demography | 12 | 88 | 234 | 615 |
| 533 | Computational Biology | 6 | 88 | 1613 | 2010 |
| 533 | warfare | 3 | 88 | 265 | 335 |
| 536 | Biodiversity conservation | 8 | 87 | 891 | 1602 |
| 536 | global environmental change | 3 | 87 | 764 | 933 |
| 538 | International Relations | 10 | 86 | 509 | 664 |
| 538 | Entrepreneurship | 5 | 86 | 765 | 1203 |
| 538 | air quality | 2 | 86 | 323 | 192 |
| 538 | Health promotion | 24 | 86 | 270 | 861 |
| 542 | Petrology | 7 | 85 | 609 | 871 |
| 542 | freshwater biology | 5 | 85 | 652 | 843 |
| 544 | Educational Technology | 7 | 84 | 1040 | 1505 |
| 544 | Ultrasonics | 1 | 84 | 1763 | 1385 |
| 544 | Sonochemistry | 1 | 84 | 1107 | 972 |
| 544 | geological modeling | 9 | 84 | 187 | 414 |
| 544 | technical education | 7 | 84 | 380 | 567 |
| 549 | indoor air pollution | 7 | 83 | 171 | 386 |
| 549 | Ventilation | 7 | 83 | 269 | 463 |
| 549 | Sick building syndrome | 7 | 83 | 171 | 386 |
| 552 | Physical Chemistry | 12 | 82 | 1095 | 1805 |
| 552 | Parenteral nutrition | 3 | 82 | 809 | 934 |
| 552 | drug development | 5 | 82 | 582 | 1052 |
| 555 | Bioinformatics | 4 | 81 | 1595 | 1708 |
| 555 | Religion and Psychology | 7 | 81 | 242 | 362 |
| 555 | women | 8 | 81 | 450 | 527 |
| 555 | Plant cells | 1 | 81 | 1292 | 1329 |
| 559 | peace | 4 | 80 | 399 | 473 |
| 559 | Social work | 9 | 80 | 753 | 1006 |
| 559 | internet | 6 | 80 | 1066 | 1474 |
| 562 | soil pollution | 5 | 79 | 352 | 519 |
| 562 | Radiobiology | 5 | 79 | 811 | 1005 |
| 562 | Marine Pollution | 4 | 79 | 995 | 1320 |
| 562 | plant molecular biology | 6 | 79 | 959 | 1620 |
| 562 | Decision making | 4 | 79 | 1224 | 1313 |
| 567 | Patient education | 8 | 77 | 293 | 639 |
| 568 | Phonetics | 2 | 76 | 404 | 325 |
| 569 | Telemedicine | 1 | 75 | 632 | 360 |
| 569 | Drug delivery systems | 5 | 75 | 1180 | 1625 |
| 571 | Maternal health services | 3 | 74 | 323 | 354 |
| 571 | police | 9 | 74 | 173 | 276 |
| 571 | Menopause | 1 | 74 | 498 | 297 |
| 574 | Adsorption | 2 | 73 | 278 | 202 |
| 574 | Neuropharmacology | 4 | 73 | 474 | 589 |
| 574 | Groundwater | 2 | 73 | 615 | 552 |
| 577 | Endocrinology | 9 | 72 | 1411 | 2292 |
| 577 | Human Rights | 9 | 72 | 241 | 423 |
| 577 | occupational diseases | 3 | 72 | 701 | 823 |
| 580 | Cybernetics | 2 | 71 | 1758 | 1551 |
| 580 | Ergonomics | 2 | 71 | 1038 | 824 |
| 580 | Wildlife conservation | 3 | 71 | 975 | 1215 |
| 580 | Social welfare | 5 | 71 | 406 | 494 |
| 580 | Cerebrospinal fluid | 1 | 71 | 230 | 164 |
| 585 | Medical Laboratory Science | 3 | 70 | 1737 | 2030 |
| 585 | Multilingualism | 6 | 70 | 148 | 305 |
| 587 | Discourse Analysis | 7 | 69 | 188 | 390 |
| 588 | patient satisfaction | 6 | 68 | 47 | 51 |
| 588 | Heat Exchangers | 3 | 68 | 1228 | 1495 |
| 588 | Carcinogenesis | 3 | 68 | 831 | 1020 |
| 588 | Heart Failure | 2 | 68 | 392 | 450 |
| 592 | genome | 2 | 66 | 1479 | 1586 |
| 592 | Plants | 14 | 66 | 886 | 1946 |
| 592 | pigments | 2 | 66 | 1060 | 961 |
| 595 | human migration | 15 | 65 | 8 | 17 |
| 596 | Analytical Biochemistry | 2 | 64 | 1847 | 1615 |
| 596 | Career development | 3 | 64 | 423 | 421 |
| 598 | Urban Planning | 15 | 63 | 83 | 520 |
| 598 | Anthropological Linguistics | 9 | 63 | 87 | 102 |
| 598 | Econometrics | 5 | 63 | 1072 | 1151 |
| 598 | particles | 1 | 63 | 1619 | 1101 |
| 598 | Granular materials | 1 | 63 | 1056 | 781 |
| 598 | scholarly publishing | 2 | 63 | 150 | 105 |
| 598 | biochemical markers | 7 | 63 | 302 | 632 |
| 598 | carbon monoxide | 1 | 63 | 673 | 573 |
| 606 | Reproductive toxicology | 4 | 62 | 301 | 530 |
| 606 | child sexual abuse | 3 | 62 | 129 | 175 |
| 608 | Technology Assessment | 2 | 61 | 551 | 715 |
| 608 | breastfeeding | 3 | 61 | 450 | 516 |
| 608 | Hormones | 2 | 61 | 1208 | 1234 |
| 608 | Agricultural systems | 6 | 61 | 179 | 486 |
| 612 | Sedimentology | 4 | 60 | 503 | 715 |
| 612 | community development | 17 | 60 | 128 | 635 |
| 612 | Anti-inflammatory agents | 4 | 60 | 170 | 283 |
| 612 | Inflammation | 4 | 60 | 884 | 1312 |
| 612 | Traditional medicine | 2 | 60 | 255 | 354 |
| 617 | Medical Technology | 2 | 59 | 1750 | 1627 |
| 617 | Algebra | 7 | 59 | 1063 | 992 |
| 619 | Sleep Disorders | 2 | 58 | 1442 | 1301 |
| 619 | Sexual health | 3 | 58 | 643 | 629 |
| 619 | Genetic markers | 5 | 58 | 127 | 280 |
| 619 | Immunity | 4 | 58 | 1216 | 1803 |
| 619 | Sleep | 2 | 58 | 1474 | 1322 |
| 624 | Animal Biotechnology | 1 | 57 | 326 | 203 |
| 624 | Fishery management | 1 | 57 | 1188 | 806 |
| 624 | Arthropods | 2 | 57 | 312 | 214 |
| 624 | coal | 4 | 57 | 1350 | 1994 |
| 628 | Financial Engineering | 2 | 56 | 182 | 221 |
| 628 | Youth | 4 | 56 | 560 | 824 |
| 628 | Metals | 6 | 56 | 1406 | 1914 |
| 631 | Cultural Studies | 4 | 55 | 93 | 148 |
| 631 | Religion | 5 | 55 | 691 | 495 |
| 631 | Religion and Culture | 4 | 55 | 197 | 272 |
| 631 | Korea | 5 | 55 | 210 | 227 |
| 631 | curriculum evaluation | 10 | 55 | 125 | 435 |
| 631 | nanoscience | 3 | 55 | 2499 | 2814 |
| 637 | Ethnobotany | 1 | 54 | 343 | 357 |
| 637 | Antioxidants | 1 | 54 | 1056 | 1043 |
| 637 | ethnobiology | 1 | 54 | 448 | 400 |
| 637 | Learning | 3 | 54 | 1164 | 1356 |
| 637 | Virulence | 2 | 54 | 1052 | 1354 |
| 637 | vitamin C | 1 | 54 | 702 | 633 |
| 637 | vitamin E | 1 | 54 | 702 | 633 |
| 637 | Ethnomedicine | 1 | 54 | 343 | 356 |
| 645 | Early Childhood Education | 1 | 53 | 984 | 607 |
| 645 | Organizational Behavior | 2 | 53 | 697 | 829 |
| 645 | Water Microbiology | 5 | 53 | 266 | 621 |
| 645 | biological agents | 8 | 53 | 342 | 307 |
| 645 | Aggression | 4 | 53 | 394 | 679 |
| 650 | Plant Genetics | 2 | 52 | 753 | 921 |
| 650 | Migration | 3 | 52 | 168 | 146 |
| 650 | Sedimentary rocks | 2 | 52 | 720 | 755 |
| 653 | Artificial Intelligence | 6 | 51 | 2616 | 3434 |
| 653 | Green Technology | 2 | 51 | 562 | 562 |
| 653 | Solid State Chemistry | 3 | 51 | 2308 | 2365 |
| 653 | Land use | 3 | 51 | 1113 | 1453 |
| 653 | Paleogeography | 4 | 51 | 801 | 1101 |
| 653 | cultural pluralism | 4 | 51 | 342 | 447 |
| 659 | Oceanography | 10 | 50 | 898 | 1641 |
| 659 | Paleoclimatology | 3 | 50 | 1011 | 1252 |
| 659 | Rheology | 3 | 50 | 565 | 645 |
| 659 | Food texture | 3 | 50 | 155 | 239 |
| 659 | Elderly | 10 | 50 | 607 | 812 |
| 664 | Nationalism | 5 | 49 | 235 | 329 |
| 664 | Entropy | 1 | 49 | 1891 | 1185 |
| 666 | Occupational Health | 5 | 48 | 737 | 1017 |
| 666 | Chemotherapy | 3 | 48 | 960 | 1172 |
| 666 | Water Purification | 3 | 48 | 1120 | 1249 |
| 666 | Environmental forensics | 4 | 48 | 34 | 68 |
| 666 | children | 2 | 48 | 586 | 592 |
| 671 | Civil Engineering | 5 | 47 | 1158 | 1270 |
| 671 | Criminology | 10 | 47 | 505 | 903 |
| 671 | Fracture mechanics | 5 | 47 | 1062 | 1464 |
| 671 | Drying | 3 | 47 | 356 | 497 |
| 675 | Agricultural Engineering | 2 | 46 | 531 | 629 |
| 675 | War | 2 | 46 | 256 | 222 |
| 675 | forestry | 3 | 46 | 215 | 308 |
| 675 | refugees | 2 | 46 | 288 | 275 |
| 679 | Rural Development | 12 | 45 | 155 | 704 |
| 679 | Systems Biology | 2 | 45 | 1533 | 1703 |
| 679 | Ethnic relations | 3 | 45 | 596 | 549 |
| 679 | Housing | 13 | 45 | 140 | 703 |
| 683 | Arts | 3 | 44 | 409 | 245 |
| 683 | Journalism | 7 | 44 | 322 | 544 |
| 683 | Polymers | 2 | 44 | 3850 | 3674 |
| 683 | preventive medicine | 3 | 44 | 965 | 1304 |
| 683 | Drug design | 7 | 44 | 906 | 1798 |
| 683 | biobanks | 3 | 44 | 96 | 118 |
| 683 | Host-parasite interactions | 1 | 44 | 1507 | 1532 |
| 690 | sustainable forestry | 7 | 43 | 28 | 88 |
| 691 | Soil Mechanics | 5 | 42 | 805 | 1220 |
| 691 | Community Psychology | 2 | 42 | 660 | 703 |
| 691 | Neuroimmunology | 2 | 42 | 746 | 1015 |
| 691 | War and Society | 1 | 42 | 364 | 361 |
| 691 | livestock | 6 | 42 | 340 | 556 |
| 691 | California | 2 | 42 | 443 | 450 |
| 697 | Linguistics | 9 | 41 | 765 | 1255 |
| 697 | Adult Education | 9 | 41 | 261 | 622 |
| 697 | Language and Culture | 11 | 41 | 18 | 167 |
| 697 | Drosophila | 1 | 41 | 126 | 78 |
| 697 | traffic safety | 3 | 41 | 278 | 387 |
| 702 | Organometallic chemistry | 2 | 40 | 2320 | 2231 |
| 702 | monetary policy | 7 | 40 | 9 | 41 |
| 702 | Evolutionary Computation | 1 | 40 | 836 | 839 |
| 702 | Swarm Intelligence | 1 | 40 | 585 | 537 |
| 702 | Diplomatic relations | 4 | 40 | 525 | 457 |
| 707 | Mining Geology | 6 | 39 | 32 | 100 |
| 707 | plant viruses | 1 | 39 | 324 | 327 |
| 707 | mutagens | 2 | 39 | 748 | 1025 |
| 707 | Demographic research | 2 | 39 | 141 | 226 |
| 707 | Fisheries | 6 | 39 | 1021 | 1621 |
| 707 | Liver diseases | 4 | 39 | 919 | 1399 |
| 713 | Asthma | 3 | 38 | 605 | 747 |
| 713 | Pediatric Hematology | 2 | 38 | 429 | 322 |
| 713 | Composite Materials | 1 | 38 | 3023 | 2909 |
| 713 | Exercise therapy | 1 | 38 | 927 | 549 |
| 713 | Lightweight concrete | 1 | 38 | 700 | 898 |
| 713 | civilization | 14 | 38 | 409 | 541 |
| 713 | disabilities | 3 | 38 | 665 | 876 |
| 713 | concrete | 1 | 38 | 1311 | 1365 |
| 713 | wood | 7 | 38 | 271 | 545 |
| 722 | Developmental Biology | 7 | 37 | 1125 | 2209 |
| 722 | Image Processing | 2 | 37 | 2308 | 2381 |
| 722 | Organometallic compounds | 1 | 37 | 1797 | 1568 |
| 722 | chronic disease | 4 | 37 | 213 | 418 |
| 726 | Philosophy | 10 | 36 | 900 | 1051 |
| 726 | Psychoneuroimmunology | 1 | 36 | 854 | 986 |
| 726 | Social policy | 8 | 36 | 574 | 1212 |
| 726 | ethnic groups | 3 | 36 | 331 | 503 |
| 726 | Condensed Matter | 2 | 36 | 2747 | 2727 |
| 726 | proteins | 6 | 36 | 1279 | 2123 |
| 732 | Mathematics Education | 5 | 35 | 356 | 523 |
| 732 | Pharmacogenetics | 7 | 35 | 492 | 1132 |
| 732 | Computer Vision | 1 | 35 | 1650 | 1483 |
| 732 | Geodesy | 3 | 35 | 748 | 1012 |
| 732 | polymerization | 1 | 35 | 3931 | 3411 |
| 732 | crime | 7 | 35 | 429 | 734 |
| 732 | Forest genetics | 1 | 35 | 477 | 346 |
| 739 | risk factors | 5 | 34 | 468 | 822 |
| 739 | Multimedia Systems | 2 | 34 | 2088 | 2073 |
| 739 | Sulfur | 1 | 34 | 245 | 110 |
| 739 | Spine | 1 | 34 | 812 | 821 |
| 739 | World Wide Web | 2 | 34 | 557 | 484 |
| 744 | Veterinary Immunology | 3 | 33 | 310 | 496 |
| 744 | epidemiologic methods | 2 | 33 | 218 | 223 |
| 744 | soil conservation | 2 | 33 | 968 | 1228 |
| 744 | Mass Media | 7 | 33 | 492 | 716 |
| 744 | histological techniques | 2 | 33 | 697 | 916 |
| 744 | elasticity | 4 | 33 | 208 | 314 |
| 744 | drug interactions | 5 | 33 | 22 | 77 |
| 744 | economic development projects | 3 | 33 | 159 | 310 |
| 744 | Economic planning | 8 | 33 | 225 | 851 |
| 753 | Earthquake Engineering | 1 | 32 | 1719 | 1674 |
| 753 | ethnicity | 5 | 32 | 507 | 776 |
| 753 | Inclusive Education | 2 | 32 | 233 | 323 |
| 753 | Ocean Engineering | 1 | 32 | 2074 | 2037 |
| 753 | Integration | 2 | 32 | 222 | 320 |
| 753 | Product life cycle | 3 | 32 | 272 | 529 |
| 753 | Nonprofit organizations | 3 | 32 | 348 | 590 |
| 753 | green products | 3 | 32 | 233 | 502 |
| 753 | population trends | 1 | 32 | 143 | 193 |
| 762 | Environmental Education | 1 | 31 | 671 | 593 |
| 762 | Control Theory | 2 | 31 | 1909 | 1870 |
| 762 | Computer-Aided Design | 6 | 31 | 813 | 1588 |
| 762 | locomotion | 1 | 31 | 967 | 936 |
| 762 | posture | 1 | 31 | 967 | 936 |
| 762 | Latin America | 4 | 31 | 1006 | 1016 |
| 762 | gait | 1 | 31 | 967 | 936 |
| 762 | rivers | 1 | 31 | 506 | 473 |
| 762 | walking | 1 | 31 | 967 | 936 |
| 771 | Paleontology | 4 | 30 | 1065 | 1438 |
| 771 | Quantum electronics | 2 | 30 | 1791 | 1746 |
| 771 | Gene expression regulation | 1 | 30 | 1323 | 1255 |
| 771 | Social Change | 1 | 30 | 1629 | 1851 |
| 771 | Genetic regulation | 1 | 30 | 1397 | 1403 |
| 771 | Optoelectronic devices | 2 | 30 | 1216 | 1049 |
| 771 | Federal government | 4 | 30 | 126 | 239 |
| 771 | Chemical industry | 2 | 30 | 1484 | 1600 |
| 771 | family violence | 3 | 30 | 413 | 747 |
| 771 | lasers | 2 | 30 | 2294 | 2297 |
| 771 | Primates | 2 | 30 | 799 | 913 |
| 771 | Gastrointestinal diseases | 3 | 30 | 617 | 831 |
| 783 | Occupational Therapy | 5 | 29 | 728 | 993 |
| 783 | sanitation | 2 | 29 | 1478 | 2108 |
| 783 | Enteral nutrition | 2 | 29 | 838 | 1164 |
| 783 | Mortgages | 1 | 29 | 381 | 340 |
| 783 | drinking water | 4 | 29 | 80 | 186 |
| 783 | Evolution | 5 | 29 | 1288 | 2236 |
| 783 | Chronic diseases | 3 | 29 | 533 | 848 |
| 790 | Astrophysics | 2 | 28 | 2851 | 2943 |
| 790 | Industrial Safety | 4 | 28 | 1007 | 1593 |
| 790 | industrial hygiene | 4 | 28 | 821 | 1126 |
| 790 | Informatics | 1 | 28 | 1262 | 1224 |
| 790 | Comedy | 2 | 28 | 21 | 7 |
| 795 | Chronobiology | 6 | 27 | 257 | 758 |
| 795 | Electronics | 8 | 27 | 2029 | 3139 |
| 795 | Palliative Care | 2 | 27 | 878 | 996 |
| 795 | Metallurgy | 11 | 27 | 1155 | 2302 |
| 795 | air quality management | 2 | 27 | 665 | 999 |
| 795 | biological clocks | 6 | 27 | 257 | 758 |
| 795 | Knowledge management | 3 | 27 | 395 | 684 |
| 795 | Raman spectroscopy | 2 | 27 | 962 | 1219 |
| 795 | zoos | 6 | 27 | 14 | 66 |
| 795 | circadian rhythm | 6 | 27 | 257 | 758 |
| 795 | periodicity | 5 | 27 | 16 | 41 |
| 795 | national security | 3 | 27 | 360 | 353 |
| 795 | cycles | 6 | 27 | 75 | 178 |
| 808 | Nanochemistry | 1 | 26 | 1874 | 1837 |
| 808 | Sociolinguistics | 2 | 26 | 571 | 628 |
| 808 | Forensic Toxicology | 1 | 26 | 104 | 113 |
| 808 | Greenhouse gases | 1 | 26 | 461 | 633 |
| 808 | disarmament | 1 | 26 | 281 | 246 |
| 808 | international trade | 4 | 26 | 625 | 1050 |
| 808 | Language planning | 2 | 26 | 228 | 201 |
| 808 | government | 2 | 26 | 629 | 618 |
| 808 | Radio | 5 | 26 | 1060 | 1686 |
| 808 | human development | 1 | 26 | 1227 | 1266 |
| 808 | silicon | 2 | 26 | 480 | 546 |
| 819 | Regional Economics | 2 | 25 | 586 | 731 |
| 819 | Emergency Medicine | 1 | 25 | 1534 | 1373 |
| 819 | Electrochemical Analysis | 1 | 25 | 2112 | 2085 |
| 819 | foreign exchange | 1 | 25 | 599 | 640 |
| 819 | Radioisotopes | 5 | 25 | 779 | 1227 |
| 819 | psychotherapy | 3 | 25 | 1150 | 1527 |
| 819 | cities | 2 | 25 | 11 | 18 |
| 819 | electrocatalysis | 1 | 25 | 251 | 242 |
| 827 | Rock Mechanics | 4 | 24 | 746 | 1208 |
| 827 | Engineering Mathematics | 1 | 24 | 2668 | 2155 |
| 827 | Numerical Analysis | 1 | 24 | 3094 | 2589 |
| 827 | Radiography | 3 | 24 | 658 | 1131 |
| 827 | insurgency | 3 | 24 | 40 | 74 |
| 827 | Electrophoresis | 2 | 24 | 1686 | 2088 |
| 827 | Continuing Education | 7 | 24 | 243 | 585 |
| 827 | health and race | 2 | 24 | 240 | 402 |
| 827 | Chromatography | 2 | 24 | 1710 | 2057 |
| 827 | Military readiness | 2 | 24 | 83 | 48 |
| 827 | Chromatographic analysis | 2 | 24 | 1946 | 2207 |
| 827 | Zoonoses | 1 | 24 | 509 | 584 |
| 839 | History | 8 | 23 | 712 | 647 |
| 839 | Pediatric Dermatology | 2 | 23 | 434 | 515 |
| 839 | Special Education | 3 | 23 | 769 | 980 |
| 839 | Agricultural Education | 4 | 23 | 61 | 137 |
| 839 | Nuclear Physics | 3 | 23 | 3231 | 3609 |
| 839 | Land Use Planning | 4 | 23 | 311 | 728 |
| 839 | Production Engineering | 2 | 23 | 2135 | 2389 |
| 839 | Biochemical Genetics | 2 | 23 | 582 | 584 |
| 839 | Islamic Architecture | 1 | 23 | 221 | 208 |
| 839 | Molecular cloning | 3 | 23 | 1314 | 1937 |
| 839 | Genetic recombination | 3 | 23 | 1296 | 1918 |
| 839 | Transgenic plants | 1 | 23 | 712 | 857 |
| 839 | protein | 3 | 23 | 1085 | 1527 |
| 839 | men | 1 | 23 | 594 | 587 |
| 839 | crime victims | 2 | 23 | 215 | 326 |
| 839 | Recombinant DNA | 3 | 23 | 1360 | 1996 |
| 855 | Remote Sensing | 3 | 22 | 1446 | 1788 |
| 855 | Organizational learning | 2 | 22 | 605 | 827 |
| 855 | Total Quality Management | 1 | 22 | 1084 | 1136 |
| 855 | Public Spaces | 2 | 22 | 100 | 150 |
| 855 | Biometrics | 6 | 22 | 688 | 1221 |
| 855 | personal space | 2 | 22 | 91 | 144 |
| 855 | educational planning | 2 | 22 | 522 | 807 |
| 855 | wildlife diseases | 1 | 22 | 329 | 263 |
| 863 | Telecommunication Systems | 2 | 21 | 1858 | 2042 |
| 863 | Marine Geology | 3 | 21 | 579 | 917 |
| 863 | Well-being | 1 | 21 | 327 | 339 |
| 863 | Investment analysis | 4 | 21 | 828 | 1466 |
| 863 | Geodynamics | 3 | 21 | 800 | 1210 |
| 863 | International Business | 3 | 21 | 119 | 368 |
| 863 | scientific societies | 3 | 21 | 665 | 1187 |
| 870 | Neuropsychiatry | 2 | 20 | 850 | 1147 |
| 870 | Higher Education | 2 | 20 | 771 | 1007 |
| 870 | Agricultural Economics | 7 | 20 | 29 | 160 |
| 870 | Medical Physics | 2 | 20 | 1541 | 1911 |
| 870 | Politics | 4 | 20 | 433 | 577 |
| 870 | civil rights | 3 | 20 | 384 | 587 |
| 870 | Strategic planning | 1 | 20 | 1264 | 1340 |
| 870 | Islam | 3 | 20 | 474 | 669 |
| 870 | forest policy | 4 | 20 | 267 | 683 |
| 870 | enzymes | 3 | 20 | 1349 | 2132 |
| 870 | Investments | 2 | 20 | 712 | 979 |
| 881 | Dentistry | 3 | 19 | 709 | 884 |
| 881 | Food Science | 1 | 19 | 460 | 406 |
| 881 | Nanomedicine | 1 | 19 | 491 | 690 |
| 881 | Automation | 2 | 19 | 2334 | 2816 |
| 885 | Law | 12 | 18 | 579 | 1190 |
| 885 | Computer Science | 1 | 18 | 2999 | 2702 |
| 885 | Tribology | 2 | 18 | 1274 | 1617 |
| 885 | Distance Education | 4 | 18 | 269 | 823 |
| 885 | technology transfer | 6 | 18 | 110 | 651 |
| 885 | Urban Renewal | 2 | 18 | 114 | 185 |
| 885 | Urban society | 2 | 18 | 52 | 103 |
| 892 | Intercultural Communication | 2 | 17 | 565 | 853 |
| 892 | Veterinary Pathology | 5 | 17 | 261 | 539 |
| 892 | nursing education | 1 | 17 | 316 | 318 |
| 892 | Molecules | 1 | 17 | 2030 | 1884 |
| 892 | Social behavior | 1 | 17 | 1709 | 1774 |
| 892 | sexual behavior | 3 | 17 | 656 | 1175 |
| 898 | Genetic Counseling | 2 | 16 | 235 | 372 |
| 898 | Data Mining | 2 | 16 | 1923 | 2591 |
| 898 | Cognitive Therapy | 1 | 16 | 984 | 1056 |
| 898 | Feminism | 3 | 16 | 596 | 915 |
| 898 | Marriage | 1 | 16 | 882 | 972 |
| 898 | Pharmacy management | 1 | 16 | 464 | 501 |
| 898 | paraphilias | 1 | 16 | 328 | 448 |
| 898 | heredity | 3 | 16 | 610 | 1067 |
| 898 | Cannabis | 1 | 16 | 187 | 245 |
| 898 | cannabinoids | 1 | 16 | 170 | 226 |
| 898 | Marriage counseling | 1 | 16 | 548 | 647 |
| 898 | conflict management | 3 | 16 | 249 | 550 |
| 910 | Green Chemistry | 1 | 15 | 2142 | 2613 |
| 910 | Landscape Ecology | 1 | 15 | 702 | 954 |
| 910 | hospice care | 1 | 15 | 838 | 951 |
| 910 | Photochemistry | 1 | 15 | 2327 | 2641 |
| 910 | Wireless Communication Systems | 1 | 15 | 2898 | 2915 |
| 910 | Photobiology | 1 | 15 | 2035 | 2330 |
| 910 | Microorganisms | 2 | 15 | 1129 | 1730 |
| 910 | Suicide | 1 | 15 | 903 | 1078 |
| 918 | Genetic epidemiology | 1 | 14 | 367 | 467 |
| 918 | Plant Morphology | 1 | 14 | 988 | 1126 |
| 918 | Engineering Ethics | 1 | 14 | 379 | 523 |
| 918 | Pharmacogenomics | 3 | 14 | 257 | 633 |
| 918 | Precision medicine | 3 | 14 | 189 | 394 |
| 918 | Regionalism | 2 | 14 | 294 | 494 |
| 918 | Interdisciplinary Research | 6 | 14 | 3 | 7 |
| 918 | Radio wave propagation | 1 | 14 | 1055 | 1090 |
| 918 | Professional ethics | 1 | 14 | 547 | 723 |
| 918 | land degradation | 1 | 14 | 886 | 1136 |
| 918 | Cellulose | 1 | 14 | 1069 | 1400 |
| 918 | Radiation effects | 2 | 14 | 803 | 1372 |
| 918 | degradation | 1 | 14 | 886 | 1136 |
| 931 | Radiochemistry | 3 | 13 | 960 | 1393 |
| 931 | Hemostasis | 2 | 13 | 742 | 1041 |
| 931 | Thrombosis | 2 | 13 | 954 | 1352 |
| 931 | Arboriculture | 3 | 13 | 54 | 87 |
| 931 | Microcirculation | 1 | 13 | 724 | 909 |
| 931 | Indigenous Peoples | 5 | 13 | 68 | 201 |
| 931 | Crystallography | 3 | 13 | 1565 | 1790 |
| 931 | Solitons | 1 | 13 | 1869 | 2029 |
| 931 | Postcolonialism | 1 | 13 | 267 | 237 |
| 931 | Fractals | 1 | 13 | 1877 | 2031 |
| 931 | Chaos | 1 | 13 | 1869 | 2029 |
| 931 | Protective coatings | 3 | 13 | 144 | 353 |
| 931 | Blood vessels | 1 | 13 | 629 | 795 |
| 931 | immigration | 1 | 13 | 372 | 482 |
| 931 | migration policy | 1 | 13 | 385 | 489 |
| 931 | Asylum seeker | 1 | 13 | 303 | 455 |
| 931 | Brain damage | 1 | 13 | 630 | 788 |
| 931 | Flow cytometry | 1 | 13 | 522 | 680 |
| 931 | Mites | 4 | 13 | 337 | 764 |
| 950 | Computer Graphics | 1 | 12 | 2314 | 2492 |
| 950 | Fiction | 3 | 12 | 85 | 46 |
| 950 | Applied Linguistics | 4 | 12 | 543 | 980 |
| 950 | Psychiatric Nursing | 2 | 12 | 794 | 1194 |
| 950 | Nanobiotechnology | 1 | 12 | 727 | 1170 |
| 950 | Forensic Psychiatry | 3 | 12 | 515 | 876 |
| 950 | Adhesion | 1 | 12 | 1180 | 1335 |
| 950 | Wetland ecology | 1 | 12 | 830 | 997 |
| 950 | International security | 1 | 12 | 367 | 519 |
| 950 | Health insurance | 3 | 12 | 384 | 827 |
| 950 | Wetland conservation | 1 | 12 | 616 | 792 |
| 950 | sociological factors | 4 | 12 | 16 | 31 |
| 950 | press | 1 | 12 | 237 | 123 |
| 950 | Mitochondrial DNA | 1 | 12 | 439 | 404 |
| 950 | Borderlands | 2 | 12 | 79 | 173 |
| 950 | adhesives | 1 | 12 | 1246 | 1363 |
| 950 | race relations | 1 | 12 | 952 | 1018 |
| 950 | Wetlands | 1 | 12 | 626 | 796 |
| 968 | Conservation Biology | 1 | 11 | 1547 | 1812 |
| 968 | Marine Meteorology | 1 | 11 | 447 | 570 |
| 968 | African Literature | 4 | 11 | 28 | 18 |
| 968 | Feminist Economics | 1 | 11 | 181 | 333 |
| 968 | genre | 1 | 11 | 463 | 618 |
| 968 | Education policy | 1 | 11 | 173 | 307 |
| 968 | elder abuse | 2 | 11 | 366 | 790 |
| 968 | Histocompatibility Testing | 1 | 11 | 694 | 861 |
| 968 | Plant tissue culture | 6 | 11 | 435 | 1390 |
| 968 | Infertility | 1 | 11 | 981 | 1282 |
| 968 | Proteome | 2 | 11 | 1128 | 1769 |
| 968 | Japan | 2 | 11 | 2040 | 2702 |
| 968 | Plant cell culture | 6 | 11 | 377 | 1373 |
| 968 | allied health | 3 | 11 | 265 | 648 |
| 968 | Immune system | 1 | 11 | 1172 | 1497 |
| 968 | fertility | 1 | 11 | 1062 | 1361 |
| 984 | Mining Engineering | 7 | 10 | 287 | 915 |
| 984 | Geotechnical Engineering | 1 | 10 | 763 | 875 |
| 984 | Audiology | 2 | 10 | 804 | 1139 |
| 984 | Physical Geography | 1 | 10 | 859 | 1067 |
| 984 | Molecular Microbiology | 1 | 10 | 1117 | 1483 |
| 984 | Animal Physiology | 1 | 10 | 260 | 362 |
| 984 | Physical organic chemistry | 1 | 10 | 1890 | 2174 |
| 984 | Natural selection | 1 | 10 | 260 | 362 |
| 984 | Information visualization | 2 | 10 | 237 | 431 |
| 984 | Simulation Methods | 2 | 10 | 1303 | 1983 |
| 984 | Mass Spectrometry | 1 | 10 | 1469 | 1708 |
| 984 | Labor Unions | 2 | 10 | 346 | 522 |
| 984 | Biofilms | 1 | 10 | 335 | 575 |
| 984 | Sports | 1 | 10 | 2730 | 2683 |
| 984 | labor | 2 | 10 | 426 | 603 |
| 984 | Foodborne diseases | 1 | 10 | 424 | 638 |
| 984 | prostaglandins | 3 | 10 | 403 | 832 |