| 1 | Medicine | 819 | 31.8K | 464 | 579 |
| 2 | Public Health | 1,035 | 29.6K | 76 | 145 |
| 3 | Epidemiology | 595 | 19.2K | 69 | 112 |
| 4 | Science | 460 | 18.6K | 748 | 1318 |
| 5 | Human genetics | 55 | 14.6K | 613 | 465 |
| 6 | Environmental Health | 249 | 13.3K | 331 | 312 |
| 7 | Research | 463 | 12.0K | 565 | 773 |
| 8 | Biology | 84 | 7.4K | 2694 | 2304 |
| 9 | Environment | 74 | 7.2K | 1040 | 836 |
| 10 | Physics | 30 | 6.4K | 4834 | 2620 |
| 11 | Ecology | 46 | 6.4K | 2118 | 1066 |
| 12 | alcoholism | 119 | 6.3K | 128 | 86 |
| 13 | Statistics | 48 | 6.2K | 728 | 190 |
| 14 | Psychiatry | 154 | 5.9K | 568 | 684 |
| 15 | Molecular Biology | 36 | 5.8K | 3587 | 1757 |
| 16 | Microbiology | 63 | 5.7K | 1992 | 1323 |
| 17 | drug addiction | 96 | 5.5K | 102 | 75 |
| 18 | Medical genetics | 74 | 5.4K | 698 | 589 |
| 19 | Health Services Research | 182 | 5.2K | 54 | 91 |
| 20 | Cancer | 120 | 5.1K | 635 | 705 |
| 21 | Health | 294 | 4.6K | 39 | 140 |
| 22 | Environmental Toxicology | 35 | 4.5K | 578 | 177 |
| 23 | rehabilitation | 150 | 4.5K | 128 | 160 |
| 24 | Genetics | 59 | 4.4K | 999 | 879 |
| 25 | Natural history | 6 | 4.3K | 3989 | 1973 |
| 26 | government | 264 | 4.1K | 9 | 23 |
| 27 | Primary health care | 137 | 4.1K | 79 | 74 |
| 28 | Psychology | 103 | 4.0K | 823 | 715 |
| 29 | United States | 118 | 3.9K | 716 | 638 |
| 30 | Mental Disorders | 138 | 3.8K | 336 | 575 |
| 31 | Pediatrics | 118 | 3.8K | 335 | 459 |
| 32 | Environmental Engineering | 51 | 3.8K | 826 | 549 |
| 33 | occupational diseases | 141 | 3.6K | 20 | 46 |
| 34 | Medical Microbiology | 31 | 3.5K | 840 | 427 |
| 35 | Vaccines | 116 | 3.5K | 121 | 154 |
| 36 | Molecular Genetics | 1 | 3.5K | 3800 | 291 |
| 36 | Population Genetics | 1 | 3.5K | 2327 | 157 |
| 36 | Molecular ecology | 1 | 3.5K | 2085 | 176 |
| 39 | Occupational Health | 164 | 3.4K | 19 | 40 |
| 40 | infection | 26 | 3.1K | 541 | 184 |
| 41 | Biometrics | 48 | 3.1K | 190 | 108 |
| 42 | Nutrition | 77 | 3.1K | 863 | 813 |
| 43 | Health Policy | 147 | 3.0K | 144 | 233 |
| 44 | Public Policy | 117 | 2.9K | 86 | 140 |
| 45 | Infections | 19 | 2.9K | 423 | 152 |
| 46 | Parasitic Diseases | 19 | 2.8K | 897 | 244 |
| 47 | Environmental monitoring | 43 | 2.8K | 991 | 686 |
| 47 | Substance Abuse | 101 | 2.8K | 144 | 151 |
| 49 | Oncology | 36 | 2.8K | 632 | 776 |
| 50 | Sociology | 84 | 2.7K | 418 | 389 |
| 51 | Chronic diseases | 53 | 2.7K | 83 | 160 |
| 52 | Mental illness | 99 | 2.6K | 214 | 488 |
| 53 | Medical Anthropology | 72 | 2.6K | 138 | 206 |
| 54 | environmental protection | 33 | 2.5K | 995 | 558 |
| 55 | Environmental Policy | 31 | 2.5K | 968 | 669 |
| 55 | Environmental Law | 31 | 2.5K | 213 | 185 |
| 57 | health services accessibility | 97 | 2.2K | 30 | 47 |
| 58 | Chemistry | 28 | 2.1K | 4959 | 3559 |
| 59 | Obstetrics | 79 | 2.1K | 490 | 495 |
| 60 | Behavior | 71 | 2.1K | 593 | 846 |
| 61 | Neurology | 35 | 2.1K | 2315 | 1977 |
| 62 | Diet | 41 | 2.0K | 562 | 571 |
| 63 | Geriatrics | 76 | 2.0K | 547 | 586 |
| 64 | Obesity | 62 | 1.9K | 385 | 520 |
| 65 | preventive medicine | 76 | 1.9K | 143 | 259 |
| 66 | Pollution | 35 | 1.9K | 2043 | 1930 |
| 67 | Diabetes | 34 | 1.8K | 775 | 831 |
| 68 | drug control | 66 | 1.8K | 19 | 25 |
| 69 | Diabetes mellitus | 29 | 1.7K | 803 | 832 |
| 70 | Health Education | 79 | 1.6K | 231 | 311 |
| 71 | Global Health | 87 | 1.6K | 51 | 66 |
| 72 | Socioeconomic Factors | 51 | 1.6K | 44 | 55 |
| 73 | Research Design | 32 | 1.5K | 273 | 244 |
| 74 | Mental Health | 51 | 1.4K | 244 | 211 |
| 75 | Health promotion | 68 | 1.4K | 194 | 321 |
| 76 | Women's health | 51 | 1.4K | 134 | 147 |
| 77 | health behavior | 58 | 1.4K | 133 | 189 |
| 78 | disease outbreaks | 11 | 1.3K | 248 | 85 |
| 78 | Epidemics | 11 | 1.3K | 240 | 84 |
| 80 | Critical Care | 31 | 1.3K | 530 | 747 |
| 80 | Critical Care Medicine | 31 | 1.3K | 524 | 744 |
| 82 | Child | 65 | 1.3K | 445 | 562 |
| 83 | sanitation | 19 | 1.3K | 665 | 708 |
| 84 | Adolescent | 49 | 1.2K | 431 | 477 |
| 85 | Adolescent Medicine | 19 | 1.2K | 195 | 249 |
| 86 | environmental exposure | 68 | 1.2K | 145 | 376 |
| 87 | Smoking | 42 | 1.2K | 149 | 181 |
| 88 | medical education | 49 | 1.1K | 387 | 393 |
| 89 | health planning | 57 | 1.1K | 243 | 319 |
| 90 | Surgery | 18 | 1.1K | 1143 | 1160 |
| 91 | Medical Ethics | 23 | 1.1K | 307 | 114 |
| 92 | Mental Health Services | 12 | 1.0K | 670 | 222 |
| 93 | Aging | 40 | 1.0K | 866 | 971 |
| 94 | Physical Therapy | 23 | 1.0K | 446 | 401 |
| 95 | Toxicology | 29 | 989 | 2004 | 1978 |
| 96 | disabilities | 38 | 947 | 82 | 92 |
| 97 | Ethics | 17 | 907 | 326 | 112 |
| 98 | Allergy | 21 | 894 | 543 | 825 |
| 99 | arthritis | 33 | 885 | 408 | 693 |
| 100 | Child welfare | 24 | 883 | 306 | 204 |
| 101 | drug abuse | 32 | 843 | 117 | 107 |
| 102 | pain | 33 | 839 | 378 | 596 |
| 103 | Social work | 39 | 827 | 317 | 261 |
| 104 | older people | 33 | 790 | 448 | 304 |
| 105 | Pregnancy | 20 | 786 | 228 | 169 |
| 106 | Virulence | 2 | 782 | 1762 | 737 |
| 107 | Child Development | 23 | 775 | 768 | 803 |
| 108 | Qualitative Research | 15 | 742 | 151 | 97 |
| 109 | harm reduction | 22 | 740 | 20 | 17 |
| 110 | Gerontology | 32 | 728 | 573 | 580 |
| 111 | Ventilation | 23 | 716 | 93 | 108 |
| 112 | Carcinogenesis | 25 | 710 | 247 | 395 |
| 113 | Immunity | 3 | 708 | 2497 | 1547 |
| 114 | Kidney diseases | 18 | 686 | 365 | 337 |
| 115 | air quality management | 19 | 683 | 69 | 95 |
| 115 | indoor air pollution | 19 | 683 | 67 | 97 |
| 115 | Sick building syndrome | 19 | 683 | 67 | 97 |
| 118 | Social Sciences | 21 | 659 | 1519 | 892 |
| 119 | Cytogenetics | 13 | 658 | 899 | 1007 |
| 120 | Host-parasite interactions | 2 | 657 | 1933 | 908 |
| 121 | environmental pollution | 16 | 645 | 2516 | 2515 |
| 122 | Metabolism | 14 | 630 | 1787 | 1825 |
| 123 | Genetic epidemiology | 26 | 620 | 59 | 92 |
| 123 | heredity | 26 | 620 | 122 | 143 |
| 125 | Developing countries | 28 | 618 | 660 | 803 |
| 126 | industrial hygiene | 47 | 612 | 112 | 157 |
| 127 | Immunology | 15 | 604 | 2430 | 2498 |
| 128 | Biotechnology | 16 | 603 | 3716 | 3755 |
| 129 | Genomics | 20 | 597 | 1558 | 1752 |
| 130 | child abuse | 25 | 590 | 207 | 351 |
| 131 | Nephrology | 12 | 589 | 299 | 294 |
| 132 | Liver diseases | 11 | 587 | 1028 | 1120 |
| 133 | international cooperation | 18 | 585 | 139 | 169 |
| 134 | Globalization | 17 | 577 | 110 | 97 |
| 135 | Population | 32 | 568 | 193 | 298 |
| 136 | Quality of life | 28 | 565 | 318 | 641 |
| 137 | Nanotechnology | 1 | 540 | 7825 | 3037 |
| 137 | nanoscience | 1 | 540 | 4935 | 1715 |
| 139 | Mycology | 4 | 533 | 1762 | 766 |
| 140 | health services | 28 | 522 | 239 | 333 |
| 141 | Parenteral nutrition | 5 | 515 | 1094 | 601 |
| 142 | Alzheimer's disease | 13 | 511 | 939 | 604 |
| 143 | Hematology | 27 | 504 | 1789 | 1961 |
| 144 | Asthma | 13 | 493 | 256 | 174 |
| 145 | Randomized Controlled Trials | 36 | 490 | 199 | 286 |
| 146 | Bioethics | 23 | 483 | 223 | 198 |
| 146 | Psychophysiology | 15 | 483 | 1692 | 1849 |
| 148 | Computational Biology | 21 | 471 | 1185 | 1589 |
| 149 | Health Services Administration | 27 | 458 | 221 | 411 |
| 149 | Clinical Immunology | 11 | 458 | 817 | 650 |
| 151 | Europe | 37 | 454 | 991 | 1395 |
| 152 | mycoses | 2 | 451 | 1344 | 639 |
| 153 | Endocrinology | 9 | 436 | 2499 | 2350 |
| 154 | Immunotherapy | 22 | 434 | 701 | 1375 |
| 155 | Medical Oncology | 22 | 431 | 982 | 1312 |
| 156 | Bioinformatics | 17 | 428 | 965 | 1297 |
| 156 | Physical fitness | 10 | 428 | 606 | 484 |
| 158 | Dementia | 20 | 423 | 693 | 611 |
| 159 | urban health | 19 | 420 | 56 | 106 |
| 160 | Community Psychiatry | 25 | 419 | 271 | 516 |
| 161 | Environmental Microbiology | 4 | 412 | 1438 | 987 |
| 161 | soil microbiology | 4 | 412 | 1498 | 1130 |
| 161 | Microorganisms | 4 | 412 | 1256 | 888 |
| 164 | Demography | 10 | 411 | 342 | 302 |
| 165 | Social Psychology | 15 | 403 | 1022 | 1189 |
| 166 | Autism | 11 | 401 | 374 | 414 |
| 167 | Occupational Therapy | 29 | 400 | 231 | 212 |
| 167 | drugs | 16 | 400 | 1094 | 1154 |
| 169 | Dermatology | 12 | 394 | 1190 | 1059 |
| 170 | Australia | 14 | 392 | 925 | 681 |
| 171 | Maternal health services | 9 | 388 | 197 | 131 |
| 171 | human behavior | 9 | 388 | 1675 | 1939 |
| 173 | Cardiovascular diseases | 9 | 386 | 1158 | 871 |
| 174 | Diagnostic microbiology | 9 | 382 | 961 | 1278 |
| 175 | Infection control | 14 | 375 | 226 | 269 |
| 176 | Bioengineering | 2 | 374 | 6303 | 3489 |
| 176 | Biochemical Engineering | 2 | 374 | 4586 | 3029 |
| 178 | Child psychology | 11 | 372 | 897 | 1056 |
| 179 | Therapeutics | 15 | 371 | 966 | 1366 |
| 180 | Sleep | 23 | 356 | 700 | 1003 |
| 180 | Allergies | 5 | 356 | 81 | 50 |
| 182 | Hospitals | 12 | 353 | 333 | 294 |
| 182 | Decision making | 21 | 353 | 450 | 724 |
| 184 | Sports Medicine | 8 | 346 | 2026 | 1362 |
| 185 | Human Rights | 17 | 345 | 148 | 138 |
| 186 | primary prevention | 5 | 340 | 355 | 145 |
| 187 | Rheumatology | 15 | 336 | 651 | 970 |
| 188 | Metabolic diseases | 8 | 327 | 2010 | 2217 |
| 188 | Thorax | 22 | 327 | 143 | 339 |
| 190 | Psychiatric Nursing | 1 | 324 | 1408 | 199 |
| 190 | Emergency Medicine | 16 | 324 | 797 | 788 |
| 190 | Holistic Health | 5 | 324 | 322 | 109 |
| 193 | Animal Behavior | 5 | 320 | 1793 | 1488 |
| 193 | ethnicity | 8 | 320 | 403 | 160 |
| 195 | allied health | 4 | 319 | 200 | 81 |
| 196 | Psychiatric Epidemiology | 22 | 318 | 97 | 330 |
| 197 | Tropical Medicine | 16 | 315 | 831 | 892 |
| 198 | Sleep Disorders | 32 | 314 | 564 | 1060 |
| 199 | Psychopharmacology | 8 | 310 | 1298 | 1343 |
| 200 | Long-Term Care | 12 | 309 | 232 | 398 |
| 200 | Long-term care facilities | 12 | 309 | 231 | 397 |
| 200 | health and race | 6 | 309 | 157 | 65 |
| 200 | ethnic groups | 6 | 309 | 214 | 92 |
| 204 | homosexuality | 11 | 307 | 140 | 159 |
| 205 | Social welfare | 16 | 305 | 183 | 199 |
| 206 | Medical innovations | 1 | 303 | 2233 | 1337 |
| 206 | drug development | 1 | 303 | 2314 | 1230 |
| 208 | genome | 9 | 302 | 1098 | 1611 |
| 209 | ethanol | 7 | 286 | 315 | 232 |
| 210 | Industrial Safety | 25 | 283 | 242 | 555 |
| 210 | Ethology | 4 | 283 | 1589 | 1367 |
| 212 | Sports | 4 | 282 | 2207 | 1119 |
| 213 | Palliative Care | 24 | 273 | 209 | 449 |
| 214 | violence | 11 | 261 | 479 | 580 |
| 215 | Molecular structure | 1 | 249 | 4468 | 1738 |
| 216 | Biochemistry | 11 | 244 | 6703 | 7373 |
| 217 | healthcare disparities | 14 | 241 | 167 | 242 |
| 218 | Geriatric Psychiatry | 10 | 238 | 674 | 808 |
| 218 | Alternative Medicine | 12 | 238 | 977 | 1185 |
| 218 | complementary therapies | 12 | 238 | 1048 | 1229 |
| 221 | Pharmacogenetics | 4 | 234 | 1183 | 949 |
| 221 | Perception | 2 | 234 | 3082 | 1597 |
| 223 | behavioral medicine | 15 | 233 | 556 | 1226 |
| 223 | pain management | 12 | 233 | 271 | 392 |
| 225 | Radiobiology | 15 | 232 | 1089 | 1333 |
| 226 | Medical Technology | 12 | 231 | 931 | 1244 |
| 227 | Pharmacogenomics | 3 | 230 | 364 | 199 |
| 227 | Culture | 11 | 230 | 531 | 363 |
| 229 | Ergonomics | 7 | 227 | 798 | 549 |
| 230 | carcinogens | 7 | 226 | 741 | 919 |
| 231 | Post-traumatic stress disorder | 9 | 222 | 443 | 602 |
| 231 | sexual behavior | 20 | 222 | 163 | 455 |
| 233 | Cybernetics | 4 | 217 | 1351 | 851 |
| 234 | Respiratory Infections | 9 | 212 | 163 | 201 |
| 234 | Influenza | 9 | 212 | 96 | 140 |
| 236 | Food | 11 | 209 | 2028 | 2678 |
| 237 | chronic disease | 13 | 204 | 125 | 247 |
| 238 | adolescence | 5 | 203 | 806 | 705 |
| 239 | mutagens | 6 | 200 | 693 | 919 |
| 239 | Information Science | 7 | 200 | 1968 | 1983 |
| 241 | breastfeeding | 11 | 199 | 187 | 311 |
| 242 | Neuropsychiatry | 3 | 198 | 1143 | 774 |
| 243 | Health insurance | 14 | 196 | 169 | 359 |
| 244 | Visual Perception | 1 | 195 | 3711 | 1610 |
| 244 | Memory | 1 | 195 | 3921 | 1809 |
| 244 | Attention | 1 | 195 | 3873 | 1659 |
| 247 | Neurophysiology | 5 | 194 | 2868 | 2898 |
| 247 | Brain | 3 | 194 | 3256 | 2520 |
| 249 | Systems Biology | 4 | 193 | 1793 | 1336 |
| 250 | child behavior | 4 | 190 | 380 | 369 |
| 251 | Enteral nutrition | 2 | 186 | 1460 | 901 |
| 252 | family violence | 7 | 185 | 258 | 320 |
| 252 | Cerebral cortex | 3 | 185 | 1123 | 1007 |
| 254 | Reproductive health | 16 | 183 | 265 | 570 |
| 255 | Humanities | 3 | 181 | 2341 | 634 |
| 256 | hygiene | 6 | 179 | 355 | 359 |
| 257 | Hemophilia | 11 | 178 | 261 | 350 |
| 258 | Oral Medicine | 6 | 171 | 498 | 309 |
| 259 | Neonatology | 8 | 170 | 358 | 448 |
| 259 | Developmental Disabilities | 12 | 170 | 512 | 996 |
| 259 | ecosystem | 5 | 170 | 1251 | 1467 |
| 259 | Biodiversity | 5 | 170 | 2231 | 2120 |
| 263 | Education | 11 | 169 | 2583 | 2403 |
| 264 | Ophthalmology | 8 | 166 | 1440 | 1677 |
| 265 | Eating Disorders | 7 | 165 | 637 | 798 |
| 265 | Feeding and Eating Disorders | 7 | 165 | 614 | 766 |
| 267 | Meteorology | 3 | 164 | 2833 | 2526 |
| 267 | atmosphere | 3 | 164 | 968 | 697 |
| 269 | mental health policy | 2 | 163 | 310 | 146 |
| 269 | Contraception | 11 | 163 | 304 | 540 |
| 269 | Birth control | 11 | 163 | 179 | 381 |
| 272 | Respiration | 6 | 159 | 1392 | 1592 |
| 273 | Evidence-Based Medicine | 9 | 158 | 749 | 901 |
| 274 | Neuropsychology | 8 | 157 | 1761 | 2232 |
| 275 | Pharmacology | 9 | 156 | 4368 | 5414 |
| 275 | Biophysics | 8 | 156 | 4990 | 5566 |
| 275 | gastrointestinal tract | 2 | 156 | 439 | 361 |
| 278 | Microbial Ecology | 3 | 155 | 2814 | 2879 |
| 279 | Urology | 6 | 152 | 1758 | 1894 |
| 280 | Nursing | 12 | 150 | 1039 | 1268 |
| 280 | Gender Studies | 6 | 150 | 338 | 337 |
| 282 | psychotherapy | 7 | 149 | 1017 | 1250 |
| 283 | Sustainable Development | 2 | 145 | 3222 | 2105 |
| 284 | Gastrointestinal diseases | 5 | 144 | 671 | 523 |
| 285 | Transplantation | 4 | 143 | 1400 | 1496 |
| 286 | health workforce | 2 | 141 | 296 | 229 |
| 287 | Respiratory system | 4 | 140 | 651 | 662 |
| 288 | educational accountability | 2 | 137 | 143 | 70 |
| 289 | Food Microbiology | 4 | 136 | 1303 | 1594 |
| 289 | Elderly | 19 | 136 | 520 | 644 |
| 291 | Jurisprudence | 7 | 135 | 694 | 673 |
| 292 | Queer Studies | 4 | 134 | 242 | 237 |
| 293 | traffic safety | 8 | 133 | 143 | 183 |
| 294 | Data Mining | 7 | 130 | 1181 | 1798 |
| 294 | Sexuality | 9 | 130 | 120 | 171 |
| 294 | Intellectual disability | 7 | 130 | 617 | 737 |
| 297 | Pediatric Nursing | 2 | 128 | 809 | 317 |
| 298 | Community Psychology | 5 | 126 | 476 | 597 |
| 299 | Travel | 10 | 124 | 423 | 650 |
| 300 | Pediatric Rheumatology | 8 | 123 | 126 | 172 |
| 301 | Data Science | 20 | 122 | 51 | 15 |
| 301 | Patient education | 4 | 122 | 641 | 766 |
| 301 | counseling | 4 | 122 | 1452 | 1232 |
| 304 | Obstetric Nursing | 1 | 119 | 847 | 226 |
| 305 | Vocational guidance | 1 | 118 | 1676 | 902 |
| 306 | Body Image | 2 | 115 | 296 | 264 |
| 307 | Pathology | 3 | 114 | 3071 | 3002 |
| 307 | Geophysics | 3 | 114 | 4234 | 3676 |
| 307 | Forensic Psychiatry | 6 | 114 | 437 | 483 |
| 307 | women | 3 | 114 | 980 | 435 |
| 311 | Schizophrenia | 4 | 112 | 1174 | 1366 |
| 312 | Otolaryngology | 7 | 111 | 473 | 643 |
| 312 | drug therapy | 10 | 111 | 1738 | 2883 |
| 314 | Mixed methods research | 1 | 110 | 145 | 83 |
| 315 | hospice care | 9 | 106 | 293 | 497 |
| 316 | risk factors | 6 | 105 | 617 | 873 |
| 317 | Audiology | 5 | 101 | 774 | 882 |
| 317 | Gene expression regulation | 3 | 101 | 1311 | 1363 |
| 317 | Cell differentiation | 3 | 101 | 2218 | 2653 |
| 317 | DNA methylation | 3 | 101 | 322 | 458 |
| 321 | society | 8 | 98 | 23 | 48 |
| 322 | poverty | 2 | 97 | 643 | 417 |
| 322 | Reproduction | 6 | 97 | 2182 | 2716 |
| 322 | Human biology | 5 | 97 | 531 | 595 |
| 325 | Lung Transplantation | 3 | 96 | 847 | 655 |
| 325 | Heart transplantation | 3 | 96 | 847 | 655 |
| 327 | management | 7 | 95 | 2737 | 3606 |
| 327 | Familial diseases | 6 | 95 | 138 | 228 |
| 329 | Educational Psychology | 2 | 94 | 1966 | 1451 |
| 329 | feeding behavior | 6 | 94 | 590 | 996 |
| 329 | disease vectors | 2 | 94 | 1448 | 1187 |
| 329 | Appetite | 6 | 94 | 508 | 904 |
| 333 | Neurotoxicology | 3 | 91 | 696 | 811 |
| 334 | Systems Analysis | 3 | 90 | 1327 | 1078 |
| 334 | Atmospheric Chemistry | 2 | 90 | 1310 | 1393 |
| 334 | Atmospheric Physics | 2 | 90 | 2257 | 2002 |
| 334 | rare diseases | 3 | 90 | 828 | 915 |
| 334 | planning | 6 | 90 | 490 | 637 |
| 339 | Clinical Chemistry | 3 | 88 | 3789 | 3915 |
| 339 | civil rights | 10 | 88 | 144 | 255 |
| 341 | Pharmaceutical Chemistry | 2 | 86 | 5513 | 4809 |
| 341 | Geriatric Oncology | 3 | 86 | 772 | 907 |
| 341 | Social policy | 10 | 86 | 550 | 907 |
| 341 | data collection | 5 | 86 | 937 | 1661 |
| 345 | elder abuse | 5 | 85 | 239 | 381 |
| 345 | Heart Failure | 3 | 85 | 540 | 741 |
| 345 | Africa | 4 | 85 | 1728 | 1297 |
| 345 | Exercise | 3 | 85 | 1632 | 1339 |
| 349 | Emergency Medical Services | 4 | 84 | 869 | 874 |
| 349 | Cardiovascular Pharmacology | 1 | 84 | 707 | 363 |
| 349 | biochemical markers | 2 | 84 | 1329 | 949 |
| 352 | Telemedicine | 2 | 83 | 634 | 539 |
| 352 | Risk assessment | 4 | 83 | 566 | 572 |
| 352 | sex crimes | 5 | 83 | 507 | 702 |
| 355 | Histocompatibility Testing | 2 | 82 | 970 | 644 |
| 356 | Criminal psychology | 5 | 81 | 667 | 811 |
| 357 | Amyotrophic Lateral Sclerosis | 2 | 80 | 396 | 382 |
| 357 | Frontotemporal lobar degeneration | 2 | 80 | 309 | 272 |
| 359 | Neurosurgery | 2 | 79 | 1793 | 1577 |
| 359 | residential treatment | 3 | 79 | 155 | 147 |
| 361 | Chemotherapy | 7 | 78 | 1262 | 2147 |
| 361 | Medical Physics | 3 | 78 | 2130 | 1975 |
| 361 | Vaccination | 2 | 78 | 401 | 382 |
| 361 | Chromosome mapping | 5 | 78 | 1833 | 2978 |
| 361 | Migration | 4 | 78 | 124 | 88 |
| 361 | cross-cultural comparison | 3 | 78 | 627 | 563 |
| 361 | Spine | 3 | 78 | 934 | 1143 |
| 361 | gene mapping | 5 | 78 | 2049 | 3333 |
| 369 | Teratology | 2 | 77 | 466 | 489 |
| 369 | Bipolar Disorder | 6 | 77 | 283 | 596 |
| 369 | Health risk communication | 3 | 77 | 63 | 78 |
| 369 | abnormalities | 2 | 77 | 301 | 320 |
| 369 | Health Risk Assessment | 3 | 77 | 521 | 463 |
| 374 | Housing | 4 | 76 | 412 | 622 |
| 375 | Remote Sensing | 2 | 75 | 2209 | 1319 |
| 376 | Geography | 6 | 74 | 1994 | 2668 |
| 376 | Geriatric Pharmacology | 6 | 74 | 207 | 480 |
| 376 | Climate change | 1 | 74 | 1982 | 2187 |
| 376 | Zoonoses | 1 | 74 | 721 | 460 |
| 380 | Environmental Chemistry | 2 | 73 | 3232 | 3192 |
| 380 | biological monitoring | 2 | 73 | 765 | 748 |
| 380 | weight loss | 7 | 73 | 80 | 172 |
| 383 | Precision medicine | 1 | 72 | 545 | 250 |
| 384 | Nutrition physiology | 6 | 71 | 550 | 1159 |
| 384 | food technology | 2 | 71 | 3606 | 3496 |
| 384 | epidemiologic methods | 11 | 71 | 22 | 153 |
| 384 | Cross-Cultural Studies | 2 | 71 | 1011 | 803 |
| 388 | School Psychology | 2 | 70 | 658 | 592 |
| 388 | Geographic information systems | 3 | 70 | 1309 | 1113 |
| 388 | radioactive waste | 2 | 70 | 1147 | 1657 |
| 388 | industrial waste | 2 | 70 | 1205 | 1658 |
| 388 | Hazardous waste | 2 | 70 | 1360 | 1736 |
| 393 | sexual orientation | 5 | 69 | 45 | 127 |
| 393 | Gender identity | 5 | 69 | 209 | 220 |
| 395 | Cell Biology | 3 | 68 | 5055 | 6027 |
| 395 | Antiviral agents | 4 | 68 | 338 | 529 |
| 397 | Youth | 4 | 67 | 638 | 955 |
| 398 | drug resistance | 4 | 66 | 714 | 1205 |
| 399 | Criminology | 7 | 64 | 672 | 958 |
| 399 | Metabolic syndrome | 1 | 64 | 629 | 336 |
| 399 | Cardiovascular system | 3 | 64 | 2089 | 2959 |
| 399 | Hearing | 2 | 64 | 1035 | 881 |
| 403 | Social support | 2 | 63 | 266 | 281 |
| 403 | Genetic markers | 1 | 63 | 680 | 347 |
| 403 | Social environment | 2 | 63 | 323 | 321 |
| 406 | Neurochemistry | 1 | 62 | 4149 | 3516 |
| 406 | Neurovirology | 1 | 62 | 578 | 395 |
| 408 | Process Control | 1 | 61 | 1643 | 1591 |
| 408 | Production Management | 1 | 61 | 1980 | 1785 |
| 410 | Epigenetics | 1 | 60 | 503 | 276 |
| 410 | Epigenomics | 1 | 60 | 493 | 269 |
| 410 | Anxiety Disorders | 3 | 60 | 637 | 1122 |
| 410 | Anxiety | 3 | 60 | 632 | 1116 |
| 414 | Soil Mechanics | 1 | 59 | 1962 | 1448 |
| 414 | Engineering Geology | 1 | 59 | 2449 | 1900 |
| 416 | Clinical Trials | 6 | 57 | 437 | 851 |
| 416 | Agricultural Chemistry | 2 | 57 | 3319 | 3308 |
| 418 | Physiology | 2 | 56 | 5990 | 6120 |
| 419 | Human-Computer Interaction | 5 | 55 | 1359 | 2054 |
| 419 | rural health | 2 | 55 | 286 | 303 |
| 421 | community participation | 6 | 54 | 65 | 170 |
| 421 | Faculty | 6 | 54 | 65 | 170 |
| 423 | Crime prevention | 4 | 53 | 234 | 255 |
| 423 | epilepsy | 2 | 53 | 1560 | 1552 |
| 423 | physical therapy techniques | 2 | 53 | 240 | 151 |
| 423 | Atherosclerosis | 1 | 53 | 404 | 384 |
| 427 | Sustainable agriculture | 9 | 52 | 363 | 1125 |
| 427 | women's rights | 7 | 52 | 78 | 255 |
| 429 | Online social networks | 3 | 51 | 316 | 427 |
| 429 | Bacteriology | 1 | 51 | 3568 | 3477 |
| 429 | Immunotoxicology | 2 | 51 | 473 | 421 |
| 429 | histological techniques | 1 | 51 | 1467 | 1442 |
| 429 | mental health promotion | 3 | 51 | 177 | 279 |
| 429 | internet | 3 | 51 | 1470 | 1636 |
| 435 | Genetic Counseling | 2 | 50 | 491 | 445 |
| 435 | Rural Development | 4 | 50 | 534 | 793 |
| 435 | Osteoporosis | 3 | 50 | 431 | 598 |
| 435 | Work | 5 | 50 | 249 | 434 |
| 439 | Bone diseases | 2 | 48 | 782 | 1021 |
| 439 | Bereavement | 3 | 48 | 177 | 223 |
| 441 | Brain damage | 6 | 47 | 314 | 835 |
| 442 | Cognitive Therapy | 2 | 46 | 922 | 1035 |
| 442 | Family | 5 | 46 | 857 | 1420 |
| 444 | Experimental Psychology | 1 | 44 | 1036 | 806 |
| 445 | Psychosomatic Medicine | 1 | 42 | 1779 | 1693 |
| 445 | Immunopathology | 1 | 42 | 2656 | 2518 |
| 445 | Hippocampus | 1 | 42 | 646 | 751 |
| 448 | Diagnostic Imaging | 4 | 41 | 2317 | 3252 |
| 449 | Biomedical Engineering | 3 | 40 | 6385 | 7717 |
| 449 | Medical Sociology | 1 | 40 | 124 | 100 |
| 449 | Transportation | 2 | 40 | 2305 | 2454 |
| 449 | Criminal behavior | 4 | 40 | 146 | 309 |
| 453 | Psychoneuroimmunology | 1 | 39 | 1406 | 1571 |
| 453 | Human Geography | 2 | 39 | 1553 | 1489 |
| 453 | Neuroimmunology | 1 | 39 | 1537 | 1717 |
| 453 | Earth Sciences | 2 | 39 | 4499 | 4572 |
| 453 | Performance | 1 | 39 | 531 | 461 |
| 453 | crime victims | 3 | 39 | 148 | 226 |
| 453 | Aggression | 3 | 39 | 520 | 927 |
| 460 | Feasibility studies | 3 | 38 | 354 | 310 |
| 460 | Leukemia | 4 | 38 | 1452 | 2050 |
| 460 | Pancreatic diseases | 1 | 38 | 1086 | 670 |
| 463 | Agricultural Ecology | 8 | 37 | 691 | 2390 |
| 463 | Hypertension | 4 | 37 | 1893 | 3282 |
| 463 | Learning disabilities | 4 | 37 | 791 | 1306 |
| 463 | food consumption | 8 | 37 | 19 | 189 |
| 463 | Communication | 3 | 37 | 2519 | 2904 |
| 463 | Agriculture | 2 | 37 | 3528 | 3723 |
| 469 | Clinical Psychology | 3 | 36 | 1840 | 2827 |
| 469 | Environmental Psychology | 3 | 36 | 360 | 867 |
| 469 | History of Medicine | 5 | 36 | 436 | 337 |
| 469 | city planning | 6 | 36 | 1288 | 2466 |
| 473 | Medical Laboratory Science | 1 | 35 | 4166 | 4021 |
| 473 | Animal ecology | 1 | 35 | 2139 | 1917 |
| 473 | Neuromuscular diseases | 1 | 35 | 1428 | 1393 |
| 473 | Communication in medicine | 2 | 35 | 774 | 986 |
| 473 | Social behavior | 1 | 35 | 2293 | 2118 |
| 473 | Muscles | 1 | 35 | 1848 | 1931 |
| 473 | Disease | 1 | 35 | 826 | 1233 |
| 480 | Proteomics | 4 | 34 | 1238 | 2539 |
| 480 | proteins | 4 | 34 | 2399 | 3703 |
| 482 | Pharmacy | 2 | 33 | 3278 | 3857 |
| 482 | International Relations | 1 | 33 | 2265 | 1252 |
| 482 | Indoor air quality | 4 | 33 | 72 | 128 |
| 482 | Air Conditioning | 4 | 33 | 152 | 275 |
| 482 | Pharmacy management | 2 | 33 | 502 | 521 |
| 482 | International Finance | 1 | 33 | 2721 | 2443 |
| 482 | Lipids | 1 | 33 | 2681 | 2839 |
| 482 | heating | 4 | 33 | 120 | 236 |
| 490 | Anthropology | 4 | 31 | 1750 | 2333 |
| 490 | Health equity | 6 | 31 | 20 | 93 |
| 490 | Virology | 4 | 31 | 3475 | 5979 |
| 490 | Prognosis | 1 | 31 | 65 | 67 |
| 490 | Business Ethics | 1 | 31 | 1670 | 1868 |
| 490 | Cardiopulmonary Resuscitation | 2 | 31 | 240 | 158 |
| 490 | cardiac arrest | 2 | 31 | 240 | 158 |
| 490 | men | 2 | 31 | 456 | 602 |
| 498 | Hydrology | 2 | 30 | 3603 | 4078 |
| 498 | Quality Control | 2 | 30 | 2736 | 3395 |
| 498 | Water | 2 | 30 | 3520 | 4791 |
| 498 | Indigenous Peoples | 6 | 30 | 62 | 137 |
| 498 | Water quality management | 2 | 30 | 2699 | 3150 |
| 498 | Water Microbiology | 2 | 30 | 698 | 1144 |
| 504 | Engineering | 1 | 29 | 8452 | 6668 |
| 504 | Engineering Ethics | 1 | 29 | 461 | 461 |
| 504 | Professional ethics | 1 | 29 | 655 | 622 |
| 504 | Plant diseases | 4 | 29 | 2050 | 3020 |
| 508 | Screening | 3 | 28 | 212 | 474 |
| 508 | biomedicine | 2 | 28 | 1457 | 2044 |
| 510 | Depression | 2 | 27 | 575 | 1134 |
| 510 | Aerosols | 2 | 27 | 851 | 1107 |
| 510 | Foodborne diseases | 2 | 27 | 415 | 670 |
| 513 | drug evaluation | 2 | 26 | 2069 | 2845 |
| 514 | Special Education | 1 | 24 | 1583 | 1223 |
| 514 | Food Policy | 1 | 24 | 758 | 975 |
| 514 | Disability Studies | 1 | 24 | 616 | 527 |
| 514 | psychopathology | 1 | 24 | 655 | 753 |
| 514 | personality | 3 | 24 | 1618 | 2735 |
| 514 | Planets | 1 | 24 | 2641 | 3097 |
| 514 | world | 1 | 24 | 1498 | 1943 |
| 521 | Public Administration | 5 | 23 | 1292 | 2163 |
| 521 | Neuropharmacology | 1 | 23 | 1256 | 1368 |
| 521 | built environment | 2 | 23 | 14 | 18 |
| 521 | China | 2 | 23 | 4402 | 5383 |
| 521 | Stress | 2 | 23 | 408 | 791 |
| 521 | Soil ecology | 1 | 23 | 1429 | 1763 |
| 527 | Renewable Energy Sources | 1 | 22 | 4624 | 5491 |
| 527 | peer review | 2 | 22 | 108 | 141 |
| 527 | scholarly publishing | 2 | 22 | 190 | 303 |
| 527 | toxicity testing | 1 | 22 | 1651 | 1913 |
| 527 | Menopause | 3 | 22 | 372 | 816 |
| 532 | Radiation | 2 | 21 | 3307 | 3974 |
| 532 | economic policy | 4 | 21 | 2651 | 3662 |
| 532 | Biomarkers | 1 | 21 | 1069 | 1135 |
| 532 | Drug delivery systems | 1 | 21 | 2901 | 3416 |
| 532 | Regional Development | 4 | 21 | 224 | 626 |
| 532 | blood transfusion | 3 | 21 | 1028 | 1722 |
| 532 | Student Health Services | 2 | 21 | 390 | 637 |
| 532 | biological evolution | 1 | 21 | 3942 | 4622 |
| 540 | Clinical Pharmacology | 1 | 20 | 2960 | 3235 |
| 540 | Music | 2 | 20 | 1443 | 1446 |
| 540 | community development | 3 | 20 | 661 | 1152 |
| 540 | voice | 2 | 20 | 749 | 1023 |
| 540 | local government | 1 | 20 | 663 | 734 |
| 540 | Parasitology | 1 | 20 | 4255 | 4450 |
| 540 | drinking water | 2 | 20 | 204 | 304 |
| 540 | Vision | 1 | 20 | 1272 | 1544 |
| 540 | Parasites | 1 | 20 | 3026 | 3255 |
| 540 | Fisheries | 1 | 20 | 3094 | 3040 |
| 540 | Aquatic ecology | 1 | 20 | 1883 | 1971 |
| 551 | Bacterial infections | 3 | 19 | 1148 | 2552 |
| 551 | Fungi | 2 | 19 | 1480 | 2247 |
| 551 | Growth | 1 | 19 | 2242 | 2814 |
| 554 | Botany | 1 | 18 | 6157 | 6681 |
| 554 | Dental Public Health | 2 | 18 | 269 | 431 |
| 554 | Behavioral research | 2 | 18 | 769 | 1250 |
| 554 | Adolescent Psychology | 2 | 18 | 1273 | 1956 |
| 554 | Sexual health | 6 | 18 | 627 | 1543 |
| 554 | Malaria | 4 | 18 | 749 | 1880 |
| 554 | anesthesia | 1 | 18 | 1340 | 1106 |
| 554 | educational planning | 1 | 18 | 857 | 957 |
| 562 | Transportation Engineering | 1 | 17 | 722 | 837 |
| 562 | Biopharmaceutics | 1 | 17 | 2502 | 2903 |
| 562 | Pharmacokinetics | 1 | 17 | 2075 | 2352 |
| 562 | Antibacterial agents | 2 | 17 | 1137 | 2139 |
| 562 | Genetic testing | 2 | 17 | 569 | 898 |
| 562 | Marriage | 1 | 17 | 1094 | 1240 |
| 562 | Employee selection | 1 | 17 | 291 | 366 |
| 562 | calcification | 1 | 17 | 1144 | 1526 |
| 562 | Transport | 1 | 17 | 1252 | 1610 |
| 562 | paraphilias | 1 | 17 | 395 | 560 |
| 562 | Marriage counseling | 1 | 17 | 665 | 833 |
| 562 | Multiple sclerosis | 5 | 17 | 533 | 1284 |
| 574 | Regional Planning | 2 | 16 | 2215 | 2924 |
| 574 | Dialysis | 4 | 16 | 137 | 247 |
| 574 | housing policy | 2 | 16 | 164 | 291 |
| 574 | Kidney transplantation | 4 | 16 | 81 | 201 |
| 574 | Feminism | 2 | 16 | 814 | 1043 |
| 574 | Germany | 2 | 16 | 1098 | 1004 |
| 574 | prostaglandins | 1 | 16 | 970 | 1235 |
| 574 | United Kingdom | 2 | 16 | 2554 | 3726 |
| 574 | enzymes | 1 | 16 | 2911 | 3553 |
| 583 | Economics | 1 | 15 | 6837 | 6233 |
| 583 | Neurobiology | 1 | 15 | 3284 | 4104 |
| 583 | Asia | 3 | 15 | 3684 | 5556 |
| 586 | Orthopedics | 1 | 14 | 3068 | 3488 |
| 586 | Educational Research | 1 | 14 | 230 | 293 |
| 586 | Family Therapy | 1 | 14 | 1484 | 1640 |
| 586 | child mental health | 1 | 14 | 937 | 1151 |
| 586 | Minority Health | 1 | 14 | 212 | 206 |
| 591 | Clinical Biochemistry | 2 | 13 | 2118 | 3080 |
| 591 | General Surgery | 2 | 13 | 1196 | 1725 |
| 591 | Food Preservation | 1 | 13 | 1579 | 1773 |
| 591 | Hormones | 1 | 13 | 2596 | 3307 |
| 591 | land tenure | 1 | 13 | 166 | 278 |
| 591 | Land reform | 1 | 13 | 174 | 282 |
| 591 | Methodology | 2 | 13 | 720 | 1181 |
| 591 | Steroids | 1 | 13 | 1969 | 2543 |
| 591 | Israel | 3 | 13 | 160 | 240 |
| 600 | Economic Development | 1 | 12 | 3366 | 3874 |
| 600 | Computer-Aided Design | 1 | 12 | 2450 | 2791 |
| 600 | Disease management | 1 | 12 | 328 | 401 |
| 600 | Lymphoma | 3 | 12 | 1002 | 1082 |
| 600 | Multiple Myeloma | 3 | 12 | 995 | 1057 |
| 600 | Technological Innovations | 2 | 12 | 1538 | 2614 |
| 600 | viruses | 1 | 12 | 2810 | 3825 |
| 600 | Cheminformatics | 1 | 12 | 775 | 1114 |
| 600 | weather | 1 | 12 | 1230 | 1766 |
| 609 | Analytical Chemistry | 1 | 11 | 7266 | 8386 |
| 609 | Geriatric Nursing | 1 | 11 | 1073 | 1291 |
| 609 | Signal Transduction | 1 | 11 | 2651 | 3595 |
| 609 | Analytical Biochemistry | 1 | 11 | 3425 | 4290 |
| 609 | Immunopharmacology | 1 | 11 | 2161 | 2830 |
| 609 | industrial relations | 1 | 11 | 1596 | 1778 |
| 609 | mathematical concepts | 4 | 11 | 359 | 1024 |
| 616 | Urban Planning | 1 | 10 | 812 | 1167 |
| 616 | Astronomy | 1 | 10 | 4251 | 4853 |
| 616 | Urban Policy | 3 | 10 | 886 | 2213 |
| 616 | Multivariate Analysis | 1 | 10 | 936 | 1160 |
| 616 | Happiness | 2 | 10 | 624 | 1414 |
| 616 | Public opinion | 1 | 10 | 852 | 1222 |
| 616 | cell physiology | 1 | 10 | 2854 | 3943 |
| 616 | Solar System | 1 | 10 | 1382 | 1695 |
| 624 | Cytology | 1 | 9 | 7206 | 8788 |
| 624 | Criminal Law | 2 | 9 | 388 | 628 |
| 624 | Adult Education | 2 | 9 | 879 | 1342 |
| 624 | Hemostasis | 2 | 9 | 1294 | 2193 |
| 624 | Thrombosis | 3 | 9 | 1455 | 2918 |
| 624 | Immunohistochemistry | 1 | 9 | 474 | 580 |
| 624 | Action Research | 1 | 9 | 512 | 737 |
| 624 | Digestive system diseases | 4 | 9 | 1101 | 2683 |
| 632 | Radiation Protection | 1 | 8 | 1534 | 1606 |
| 632 | Health Physics | 1 | 8 | 567 | 654 |
| 632 | nutrition policy | 2 | 8 | 133 | 352 |
| 632 | Homelessness | 3 | 8 | 44 | 188 |
| 632 | radiation monitoring | 1 | 8 | 1387 | 1501 |
| 632 | Psychological Stress | 3 | 8 | 44 | 188 |
| 632 | Neurotransmitters | 1 | 8 | 1198 | 1187 |
| 632 | Technology | 1 | 8 | 8097 | 9034 |
| 632 | Stem cells | 1 | 8 | 3025 | 3958 |
| 632 | Nervous system | 2 | 8 | 3702 | 6048 |
| 632 | Statistical models | 2 | 8 | 162 | 369 |
| 632 | India | 2 | 8 | 2810 | 3541 |
| 644 | Law | 1 | 7 | 2928 | 2292 |
| 644 | Geology | 1 | 7 | 5022 | 5894 |
| 644 | Oceanography | 1 | 7 | 3137 | 4081 |
| 644 | Econometrics | 1 | 7 | 2421 | 2755 |
| 644 | genre | 1 | 7 | 558 | 792 |
| 644 | dual diagnosis | 1 | 7 | 227 | 348 |
| 644 | Organ transplantation | 1 | 7 | 863 | 1104 |
| 644 | Entropy | 2 | 7 | 1654 | 2814 |
| 644 | exobiology | 1 | 7 | 695 | 1042 |
| 644 | vascular diseases | 2 | 7 | 1152 | 2129 |
| 644 | atmospheric models | 1 | 7 | 1235 | 1772 |
| 644 | Cell death | 1 | 7 | 2228 | 3184 |
| 644 | race relations | 2 | 7 | 790 | 1330 |
| 657 | Artificial Intelligence | 1 | 6 | 6521 | 7807 |
| 657 | Ethnic relations | 1 | 6 | 1210 | 1377 |
| 657 | Ethnic Conflict | 1 | 6 | 520 | 812 |
| 657 | Technology Assessment | 1 | 6 | 859 | 1650 |
| 657 | Raman spectroscopy | 1 | 6 | 1657 | 2406 |
| 657 | Pacific Islands | 1 | 6 | 794 | 1169 |
| 657 | forced migration | 1 | 6 | 520 | 812 |
| 657 | Cost effectiveness | 1 | 6 | 190 | 348 |
| 657 | Radicalism | 1 | 6 | 120 | 132 |
| 657 | Organelle biogenesis | 1 | 6 | 487 | 757 |
| 657 | brain mapping | 1 | 6 | 1279 | 1919 |
| 668 | Biostatistics | 1 | 5 | 480 | 633 |
| 668 | Pediatric Endocrinology | 1 | 5 | 809 | 1117 |
| 668 | Organizational Sociology | 1 | 5 | 673 | 1015 |
| 668 | Erectile dysfunction | 1 | 5 | 602 | 923 |
| 668 | Healing | 1 | 5 | 303 | 571 |
| 668 | Metabolic disorders in children | 1 | 5 | 734 | 1025 |
| 668 | Endocrine system | 1 | 5 | 1783 | 1289 |
| 668 | children | 2 | 5 | 810 | 1686 |
| 676 | Pharmacognosy | 1 | 4 | 3394 | 4773 |
| 676 | Genetic Research | 1 | 4 | 446 | 948 |
| 676 | Continuing Education | 1 | 4 | 910 | 1282 |
| 676 | Medicinal plants | 1 | 4 | 2830 | 4039 |
| 676 | Neuroendocrinology | 1 | 4 | 338 | 613 |
| 676 | Prisons | 2 | 4 | 484 | 980 |
| 676 | software | 1 | 4 | 2024 | 3182 |
| 683 | Emergency Nursing | 1 | 3 | 405 | 782 |
| 683 | Genetic engineering | 1 | 3 | 4188 | 5923 |
| 683 | Art Therapy | 1 | 3 | 460 | 830 |
| 683 | Machine Learning | 1 | 3 | 828 | 1277 |
| 683 | Open Access Publishing | 1 | 3 | 199 | 319 |
| 683 | Molecular cloning | 1 | 3 | 2925 | 4256 |
| 683 | Genetic recombination | 1 | 3 | 2874 | 4201 |
| 683 | Infertility | 2 | 3 | 1661 | 2761 |
| 683 | pollutants | 1 | 3 | 3579 | 5176 |
| 683 | Teaching | 1 | 3 | 3515 | 4727 |
| 683 | Environmental pollutants | 1 | 3 | 4218 | 5941 |
| 683 | Recombinant DNA | 1 | 3 | 3052 | 4450 |
| 683 | fertility | 2 | 3 | 1750 | 2881 |
| 696 | Political Science | 1 | 2 | 3331 | 3948 |
| 696 | Early Childhood Education | 2 | 2 | 789 | 1692 |
| 696 | Feminist criminology | 1 | 2 | 118 | 275 |
| 696 | Community Health Nursing | 1 | 2 | 176 | 422 |
| 696 | Nonparametric Statistics | 1 | 2 | 380 | 635 |
| 696 | Career development | 1 | 2 | 887 | 1481 |
| 696 | Electrophoresis | 1 | 2 | 3176 | 4655 |
| 696 | Crisis Intervention | 2 | 2 | 248 | 850 |
| 696 | Immunogenetics | 1 | 2 | 1544 | 2376 |
| 696 | Chromatography | 1 | 2 | 3154 | 4620 |
| 696 | gene therapy | 1 | 2 | 2363 | 3628 |
| 696 | Electrophysiology | 1 | 2 | 2324 | 3272 |
| 696 | Genetic therapy | 1 | 2 | 2523 | 3748 |
| 696 | Scandinavia | 1 | 2 | 1308 | 2124 |
| 696 | organization | 1 | 2 | 1443 | 2268 |
| 696 | administrative agencies | 1 | 2 | 612 | 938 |
| 696 | Spectrum analysis | 1 | 2 | 6973 | 9020 |
| 696 | Chromatographic analysis | 1 | 2 | 3596 | 5070 |
| 696 | Suicide | 2 | 2 | 850 | 2151 |
| 696 | Argentina | 1 | 2 | 408 | 440 |
| 716 | Geometry | 1 | 1 | 2075 | 2584 |
| 716 | Dietetics | 3 | 1 | 1074 | 2631 |
| 716 | Cognitive Science | 1 | 1 | 2933 | 4547 |
| 716 | Cognitive Behavioral Therapy | 1 | 1 | 508 | 943 |
| 716 | Retinal diseases | 1 | 1 | 189 | 311 |
| 716 | behavior therapy | 1 | 1 | 1646 | 2652 |
| 716 | Social problems | 1 | 1 | 1229 | 2074 |
| 716 | Communication in politics | 1 | 1 | 545 | 1093 |
| 716 | mathematical analysis | 1 | 1 | 3706 | 4607 |
| 716 | Criminal investigation | 1 | 1 | 455 | 850 |
| 716 | Cognition | 1 | 1 | 3095 | 4748 |
| 716 | Emotions | 1 | 1 | 1088 | 1819 |
| 728 | Mathematics | 1 | 0 | 9364 | 11995 |
| 728 | Public Health Informatics | 1 | 0 | 238 | 412 |
| 728 | Environmental Economics | 1 | 0 | 997 | 1853 |
| 728 | Political Ecology | 1 | 0 | 191 | 432 |
| 728 | big data | 1 | 0 | 1274 | 2456 |
| 728 | families | 1 | 0 | 1699 | 2914 |
| 728 | probabilities | 2 | 0 | 1738 | 3129 |
| 728 | recreation | 1 | 0 | 1275 | 2171 |
| 728 | Bones | 1 | 0 | 1848 | 2665 |
| 728 | Leisure | 1 | 0 | 682 | 1246 |
| 728 | Genes | 1 | 0 | 2362 | 3813 |
