| 1 | Biology | 247 | 29.8K | 1274 | 899 |
| 2 | Medicine | 224 | 28.9K | 1494 | 640 |
| 3 | Cell Biology | 158 | 27.1K | 560 | 328 |
| 4 | Molecular Biology | 234 | 26.4K | 1108 | 581 |
| 5 | Cytology | 166 | 25.5K | 610 | 348 |
| 6 | Science | 184 | 25.0K | 1687 | 1067 |
| 7 | Physics | 131 | 22.0K | 2205 | 1263 |
| 8 | Hematology | 392 | 18.8K | 315 | 191 |
| 9 | Cancer | 366 | 17.9K | 215 | 227 |
| 10 | Natural history | 36 | 15.9K | 1331 | 849 |
| 11 | Oncology | 286 | 14.8K | 53 | 120 |
| 12 | Immunity | 40 | 13.6K | 629 | 215 |
| 13 | Virology | 39 | 10.3K | 1103 | 537 |
| 14 | Biochemistry | 151 | 9.2K | 1966 | 1396 |
| 15 | Allergy | 17 | 8.7K | 646 | 143 |
| 16 | Diagnostic Imaging | 132 | 8.3K | 116 | 56 |
| 17 | Microbiology | 65 | 8.2K | 1959 | 1039 |
| 18 | Human genetics | 38 | 8.0K | 811 | 772 |
| 19 | Genetics | 71 | 8.0K | 898 | 594 |
| 20 | Nuclear Medicine | 119 | 7.7K | 57 | 22 |
| 21 | Immunology | 79 | 7.6K | 985 | 635 |
| 22 | Europe | 110 | 7.4K | 379 | 97 |
| 23 | Surgery | 31 | 7.2K | 795 | 314 |
| 24 | Molecular Imaging | 98 | 7.2K | 31 | 18 |
| 25 | Research | 142 | 7.0K | 1607 | 1229 |
| 26 | Chemistry | 133 | 6.9K | 2139 | 1850 |
| 27 | Medical genetics | 64 | 6.0K | 796 | 551 |
| 28 | Geriatric Oncology | 141 | 5.5K | 3 | 5 |
| 29 | Oncogenes | 64 | 5.2K | 169 | 167 |
| 30 | Urology | 61 | 4.7K | 446 | 211 |
| 31 | Immune system | 18 | 4.6K | 437 | 252 |
| 32 | Cardiovascular system | 12 | 4.0K | 1074 | 399 |
| 33 | Biophysics | 130 | 3.9K | 1108 | 1095 |
| 34 | Medical Oncology | 86 | 3.9K | 397 | 271 |
| 35 | Hypertension | 9 | 3.7K | 1293 | 381 |
| 36 | Biotechnology | 28 | 3.6K | 2770 | 1389 |
| 37 | Pathology | 81 | 3.2K | 427 | 485 |
| 38 | Bioengineering | 11 | 3.0K | 3027 | 1067 |
| 39 | Developmental Genetics | 20 | 3.0K | 208 | 172 |
| 40 | Biochemical Engineering | 8 | 2.9K | 2506 | 943 |
| 41 | Nutrition | 36 | 2.8K | 1545 | 893 |
| 42 | Immunotherapy | 31 | 2.7K | 546 | 394 |
| 43 | Radiobiology | 60 | 2.6K | 459 | 278 |
| 44 | Cytogenetics | 27 | 2.5K | 531 | 403 |
| 45 | Genetic regulation | 22 | 2.3K | 391 | 289 |
| 46 | Developmental Biology | 18 | 2.0K | 1033 | 708 |
| 47 | Gene expression regulation | 17 | 2.0K | 379 | 233 |
| 48 | Pharmaceutical Chemistry | 37 | 2.0K | 1411 | 1055 |
| 49 | viral genetics | 15 | 2.0K | 147 | 191 |
| 50 | Epidemiology | 24 | 1.8K | 1724 | 989 |
| 51 | cell physiology | 19 | 1.7K | 658 | 480 |
| 52 | Clinical Chemistry | 27 | 1.6K | 1193 | 812 |
| 53 | Medical Physics | 44 | 1.5K | 463 | 392 |
| 54 | Mathematics | 20 | 1.5K | 3309 | 1206 |
| 55 | Molecular structure | 14 | 1.5K | 1324 | 569 |
| 56 | Metabolism | 16 | 1.4K | 1699 | 1231 |
| 57 | Cell differentiation | 25 | 1.4K | 735 | 827 |
| 58 | Diabetes | 11 | 1.1K | 1546 | 1130 |
| 59 | Diabetes mellitus | 10 | 1.0K | 1549 | 1123 |
| 60 | Obstetrics | 29 | 1.0K | 1041 | 852 |
| 61 | diseases | 1 | 961 | 831 | 465 |
| 61 | Disease | 1 | 961 | 845 | 454 |
| 63 | Metabolic diseases | 10 | 950 | 1823 | 1368 |
| 64 | Stem cells | 19 | 927 | 769 | 643 |
| 65 | Endocrinology | 13 | 876 | 2108 | 1709 |
| 66 | gene mapping | 11 | 873 | 1289 | 939 |
| 67 | Enteral nutrition | 5 | 859 | 898 | 327 |
| 67 | Parenteral nutrition | 5 | 859 | 1102 | 443 |
| 69 | Leukemia | 36 | 839 | 399 | 623 |
| 70 | nucleic acids | 21 | 828 | 790 | 1081 |
| 71 | Pancreatic diseases | 33 | 821 | 119 | 56 |
| 72 | Carcinogenesis | 14 | 797 | 445 | 369 |
| 73 | Crystallography | 5 | 769 | 1665 | 313 |
| 74 | Genomics | 30 | 750 | 1215 | 1530 |
| 75 | Diet | 8 | 652 | 1714 | 1183 |
| 76 | Cell death | 20 | 630 | 502 | 801 |
| 76 | Liver diseases | 10 | 630 | 1076 | 1090 |
| 78 | Proteomics | 12 | 614 | 574 | 502 |
| 79 | Computational Biology | 28 | 613 | 936 | 1381 |
| 80 | Biomedical Engineering | 18 | 603 | 2629 | 2384 |
| 81 | Physiology | 9 | 597 | 3391 | 2389 |
| 82 | Proteome | 11 | 584 | 698 | 636 |
| 83 | DNA polymerases | 5 | 565 | 391 | 425 |
| 84 | Neurology | 14 | 553 | 3594 | 3473 |
| 85 | Autoimmunity | 2 | 544 | 1182 | 420 |
| 86 | genome | 17 | 530 | 717 | 1227 |
| 86 | Oxidation-reduction | 8 | 530 | 548 | 578 |
| 88 | Bioinformatics | 24 | 513 | 744 | 1171 |
| 89 | Psychology | 34 | 503 | 1751 | 2534 |
| 90 | Medical Microbiology | 5 | 499 | 2415 | 1697 |
| 91 | Homeostasis | 3 | 478 | 609 | 784 |
| 91 | Cell metabolism | 3 | 478 | 901 | 814 |
| 93 | Microorganisms | 5 | 472 | 1120 | 833 |
| 94 | Signal Transduction | 8 | 461 | 1024 | 957 |
| 95 | Screening | 49 | 452 | 6 | 23 |
| 96 | carcinogens | 5 | 448 | 961 | 586 |
| 97 | Medical innovations | 5 | 445 | 1004 | 1057 |
| 97 | drug development | 5 | 445 | 1023 | 988 |
| 97 | Aging | 11 | 445 | 2019 | 1585 |
| 100 | histological techniques | 7 | 442 | 520 | 426 |
| 101 | mutagens | 4 | 441 | 929 | 549 |
| 102 | Antioxidants | 6 | 431 | 605 | 575 |
| 103 | Environmental monitoring | 4 | 427 | 4217 | 2569 |
| 104 | Genetic engineering | 10 | 421 | 1454 | 1462 |
| 105 | Pharmacology | 25 | 414 | 2667 | 3657 |
| 106 | Cell cycle | 2 | 396 | 509 | 96 |
| 106 | cell proliferation | 2 | 396 | 570 | 100 |
| 108 | Public Health | 15 | 395 | 3562 | 3796 |
| 109 | Bacterial infections | 8 | 388 | 589 | 722 |
| 110 | Host-parasite interactions | 6 | 385 | 1127 | 1252 |
| 111 | Radiology | 27 | 382 | 556 | 712 |
| 112 | X-rays | 20 | 376 | 159 | 161 |
| 113 | Pharmacogenetics | 18 | 347 | 410 | 757 |
| 114 | Histology | 6 | 345 | 1686 | 1289 |
| 115 | enzymes | 6 | 343 | 1321 | 957 |
| 116 | cloning | 6 | 335 | 576 | 673 |
| 117 | mycoses | 5 | 333 | 805 | 781 |
| 118 | Environmental Health | 3 | 324 | 6597 | 4224 |
| 119 | Simulation Methods | 5 | 322 | 802 | 257 |
| 119 | Therapeutics | 14 | 322 | 1027 | 1465 |
| 121 | Chromosome mapping | 6 | 308 | 1650 | 1497 |
| 122 | Obesity | 4 | 307 | 2296 | 1734 |
| 123 | Reproduction | 11 | 299 | 1608 | 1593 |
| 124 | Chromosomes | 8 | 283 | 715 | 750 |
| 125 | Chronic diseases | 4 | 277 | 792 | 693 |
| 126 | Metastasis | 4 | 276 | 152 | 237 |
| 127 | Autism | 4 | 273 | 721 | 543 |
| 128 | Radiation Oncology | 12 | 272 | 146 | 194 |
| 128 | Respiration | 4 | 272 | 1712 | 1217 |
| 130 | Sociology | 7 | 263 | 2420 | 1897 |
| 131 | Ecology | 3 | 249 | 7580 | 5950 |
| 131 | Environment | 3 | 249 | 6261 | 5466 |
| 133 | Drug design | 8 | 248 | 1181 | 1268 |
| 134 | Neurobiology | 6 | 247 | 1669 | 1820 |
| 135 | Genetic therapy | 13 | 244 | 707 | 1191 |
| 136 | Biocompatible Materials | 5 | 243 | 3615 | 3498 |
| 137 | Materials Science | 3 | 242 | 5588 | 3565 |
| 137 | Materials | 3 | 242 | 6691 | 4535 |
| 139 | Embryology | 4 | 239 | 1750 | 1593 |
| 140 | Botany | 2 | 231 | 5080 | 3244 |
| 140 | Research Design | 3 | 231 | 1634 | 930 |
| 142 | Environmental Engineering | 1 | 230 | 6929 | 3215 |
| 142 | Environmental Policy | 1 | 230 | 6098 | 3060 |
| 142 | Environmental Law | 1 | 230 | 2310 | 1253 |
| 142 | environmental protection | 1 | 230 | 6467 | 2933 |
| 142 | Flow cytometry | 8 | 230 | 212 | 262 |
| 147 | Social Sciences | 5 | 228 | 3631 | 1806 |
| 148 | Statistical physics | 9 | 227 | 2747 | 2449 |
| 149 | Histochemistry | 4 | 226 | 1165 | 733 |
| 149 | Neurons | 3 | 226 | 894 | 1311 |
| 149 | plant molecular biology | 1 | 226 | 2662 | 1620 |
| 149 | Plants | 1 | 226 | 3691 | 1812 |
| 149 | Plant cells | 1 | 226 | 1930 | 1480 |
| 154 | Meteorology | 3 | 221 | 2852 | 2232 |
| 155 | Population | 2 | 220 | 1625 | 646 |
| 156 | Cardiovascular diseases | 11 | 219 | 1053 | 1190 |
| 157 | Bioenergetics | 3 | 218 | 1057 | 698 |
| 158 | Bioorganic chemistry | 7 | 216 | 2357 | 2404 |
| 159 | Population Genetics | 1 | 210 | 2320 | 1215 |
| 160 | Medical Laboratory Science | 5 | 208 | 2030 | 1847 |
| 161 | Cell division | 5 | 205 | 462 | 401 |
| 161 | Familial diseases | 5 | 205 | 175 | 111 |
| 163 | Nonlinear Dynamics | 7 | 200 | 1770 | 1586 |
| 164 | Genetic Toxicology | 3 | 197 | 577 | 474 |
| 165 | Energy metabolism | 2 | 196 | 935 | 588 |
| 165 | cell membrane | 2 | 196 | 895 | 562 |
| 167 | Transplantation | 5 | 195 | 1263 | 1329 |
| 168 | Contraception | 2 | 190 | 1006 | 490 |
| 168 | Food | 4 | 190 | 3414 | 2774 |
| 170 | transgenic organisms | 1 | 189 | 657 | 200 |
| 170 | Plant genetic engineering | 1 | 189 | 1777 | 928 |
| 170 | transgenic animals | 1 | 189 | 622 | 189 |
| 170 | Transgenic plants | 1 | 189 | 1047 | 414 |
| 174 | alcoholism | 3 | 187 | 1912 | 1330 |
| 175 | proteins | 4 | 176 | 2402 | 1940 |
| 176 | Otolaryngology | 2 | 174 | 962 | 490 |
| 177 | Geriatrics | 7 | 172 | 2662 | 2562 |
| 178 | drug therapy | 15 | 171 | 1416 | 2377 |
| 179 | Neurophysiology | 2 | 170 | 4043 | 3056 |
| 180 | Immunopathology | 8 | 164 | 1099 | 1455 |
| 181 | chromatin | 3 | 160 | 152 | 169 |
| 181 | biological evolution | 3 | 160 | 2606 | 2422 |
| 183 | Biological Systems | 1 | 159 | 1696 | 492 |
| 184 | Medical Ethics | 8 | 158 | 745 | 691 |
| 185 | Ethics | 7 | 154 | 676 | 574 |
| 186 | Andrology | 7 | 153 | 504 | 575 |
| 187 | Organic Chemistry | 4 | 149 | 3348 | 2889 |
| 188 | Health Education | 5 | 148 | 1872 | 1622 |
| 189 | Hormones | 3 | 146 | 1694 | 1502 |
| 190 | Diagnostic microbiology | 3 | 144 | 1746 | 2052 |
| 190 | counseling | 4 | 144 | 1433 | 1123 |
| 192 | Vaccines | 6 | 143 | 1672 | 1936 |
| 193 | Dermatology | 5 | 142 | 1862 | 1707 |
| 194 | Patient education | 3 | 141 | 776 | 710 |
| 195 | Oxidative stress | 3 | 140 | 1435 | 1468 |
| 196 | free radicals | 3 | 139 | 1830 | 1861 |
| 197 | Bacteriology | 2 | 137 | 2837 | 2463 |
| 198 | Bioethics | 6 | 135 | 703 | 606 |
| 199 | Philosophy | 10 | 130 | 1117 | 684 |
| 200 | Systems Biology | 6 | 129 | 1393 | 1685 |
| 201 | Visual Perception | 5 | 127 | 1859 | 2006 |
| 201 | Memory | 5 | 127 | 1988 | 2215 |
| 201 | Attention | 5 | 127 | 1917 | 2063 |
| 201 | Perception | 5 | 127 | 2022 | 2189 |
| 205 | Chemotherapy | 11 | 126 | 969 | 1727 |
| 205 | blood transfusion | 2 | 126 | 1294 | 738 |
| 207 | viruses | 4 | 125 | 1682 | 2096 |
| 208 | Virulence | 2 | 123 | 1764 | 1950 |
| 209 | Anatomy | 2 | 121 | 2996 | 2175 |
| 209 | Health | 3 | 121 | 3024 | 2434 |
| 209 | Growth | 2 | 121 | 1763 | 1773 |
| 212 | dietary supplements | 2 | 120 | 1185 | 857 |
| 213 | health planning | 6 | 117 | 1868 | 1982 |
| 214 | food technology | 2 | 114 | 3566 | 2817 |
| 215 | Environmental Microbiology | 2 | 113 | 2112 | 2000 |
| 215 | Smoking | 2 | 113 | 1172 | 944 |
| 217 | DNA repair | 2 | 112 | 469 | 365 |
| 218 | ethanol | 1 | 108 | 1128 | 504 |
| 219 | dissociative disorders | 1 | 106 | 253 | 92 |
| 219 | Post-traumatic stress disorder | 1 | 106 | 1535 | 921 |
| 221 | Psychiatry | 10 | 104 | 3302 | 5173 |
| 221 | Clinical Immunology | 3 | 104 | 1731 | 1618 |
| 221 | ovary | 2 | 104 | 323 | 170 |
| 221 | government | 1 | 104 | 1476 | 526 |
| 225 | soil microbiology | 1 | 103 | 2781 | 2249 |
| 225 | protein | 2 | 103 | 1880 | 1444 |
| 225 | infection | 2 | 103 | 2667 | 2241 |
| 228 | Nonlinear functional analysis | 2 | 100 | 1515 | 961 |
| 228 | biomedicine | 3 | 100 | 1142 | 1011 |
| 230 | Industrial Microbiology | 2 | 96 | 2844 | 2654 |
| 231 | Pharmacogenomics | 3 | 95 | 377 | 450 |
| 231 | gene therapy | 6 | 95 | 1040 | 1731 |
| 233 | Infections | 3 | 94 | 1603 | 1892 |
| 234 | cell interaction | 3 | 91 | 1517 | 1695 |
| 234 | United Kingdom | 3 | 91 | 2147 | 2232 |
| 236 | preimplantation genetic diagnosis | 4 | 90 | 491 | 513 |
| 236 | embryo transfer | 4 | 90 | 515 | 533 |
| 236 | personality | 2 | 90 | 1932 | 1790 |
| 239 | Food Microbiology | 1 | 88 | 2483 | 1979 |
| 239 | Gastrointestinal diseases | 3 | 88 | 982 | 768 |
| 239 | Digestive system diseases | 1 | 88 | 2009 | 1296 |
| 242 | Toxicology | 6 | 86 | 4499 | 6016 |
| 242 | Statistics | 2 | 86 | 3813 | 2493 |
| 242 | Behavior | 3 | 86 | 4034 | 4591 |
| 245 | Primary health care | 5 | 82 | 1779 | 2161 |
| 246 | Cardiac electrophysiology | 1 | 81 | 564 | 426 |
| 246 | Randomized Controlled Trials | 5 | 81 | 1182 | 1271 |
| 246 | Electrophysiology | 1 | 81 | 2321 | 1277 |
| 246 | arrhythmia | 1 | 81 | 564 | 426 |
| 250 | Electrochemistry | 4 | 79 | 3931 | 3912 |
| 250 | drug addiction | 2 | 79 | 1758 | 1650 |
| 252 | Extracellular matrix | 1 | 76 | 595 | 563 |
| 252 | Solitons | 3 | 76 | 1220 | 1179 |
| 252 | Fractals | 3 | 76 | 1413 | 1276 |
| 252 | Chaos | 3 | 76 | 1220 | 1179 |
| 252 | collagen | 1 | 76 | 620 | 577 |
| 257 | mutation | 3 | 74 | 804 | 1059 |
| 257 | risk factors | 5 | 74 | 705 | 1027 |
| 259 | amino acids | 1 | 73 | 1329 | 895 |
| 260 | General Surgery | 3 | 70 | 968 | 868 |
| 261 | Biometrics | 1 | 69 | 2136 | 1353 |
| 262 | Immunohistochemistry | 3 | 68 | 244 | 199 |
| 262 | Public opinion | 4 | 68 | 383 | 564 |
| 262 | tomography | 3 | 68 | 501 | 467 |
| 262 | drugs | 9 | 68 | 1593 | 3083 |
| 266 | Health Services Research | 4 | 67 | 1987 | 2375 |
| 266 | Numerical Analysis | 1 | 67 | 3905 | 2264 |
| 268 | Microcirculation | 2 | 65 | 760 | 737 |
| 268 | Blood vessels | 2 | 65 | 614 | 589 |
| 270 | United States | 4 | 64 | 6227 | 6533 |
| 271 | Image Processing | 14 | 63 | 991 | 2564 |
| 271 | Endocrine system | 3 | 63 | 1138 | 424 |
| 273 | Biosensors | 1 | 62 | 2391 | 2426 |
| 273 | Radiation | 3 | 62 | 2789 | 2680 |
| 275 | Nutrition physiology | 2 | 61 | 1215 | 1263 |
| 275 | Cell migration | 1 | 61 | 217 | 184 |
| 275 | Cell adhesion | 1 | 61 | 393 | 306 |
| 275 | cell movement | 1 | 61 | 531 | 469 |
| 279 | Substance Abuse | 1 | 59 | 2864 | 2038 |
| 280 | Computer Science | 2 | 58 | 3275 | 2334 |
| 280 | Women's health | 1 | 58 | 2927 | 1956 |
| 282 | Clinical Psychology | 2 | 57 | 2188 | 2459 |
| 282 | visualization | 15 | 57 | 706 | 1197 |
| 284 | Electronics | 2 | 55 | 4892 | 3796 |
| 284 | Critical Care | 4 | 55 | 1902 | 3117 |
| 284 | Critical Care Medicine | 4 | 55 | 1762 | 2980 |
| 287 | behavioral medicine | 5 | 54 | 1236 | 2539 |
| 287 | gastrointestinal tract | 2 | 54 | 463 | 746 |
| 289 | Mass Spectrometry | 2 | 53 | 1824 | 1799 |
| 289 | Drug discovery | 1 | 53 | 703 | 509 |
| 291 | monoclonal antibodies | 2 | 52 | 344 | 268 |
| 292 | Humanities | 2 | 51 | 2832 | 1616 |
| 292 | Socioeconomic Factors | 2 | 51 | 1207 | 1321 |
| 292 | X-ray crystallography | 3 | 51 | 748 | 728 |
| 295 | Clinical Pharmacology | 5 | 50 | 1494 | 2407 |
| 296 | Nanotechnology | 3 | 49 | 5749 | 6864 |
| 296 | Biopharmaceutics | 3 | 49 | 1571 | 2097 |
| 296 | Physical organic chemistry | 2 | 49 | 1941 | 1915 |
| 299 | cytokines | 4 | 48 | 1443 | 2435 |
| 300 | Well-being | 2 | 47 | 208 | 207 |
| 301 | Behavioral research | 2 | 46 | 776 | 609 |
| 301 | Brachytherapy | 3 | 46 | 383 | 299 |
| 303 | Hematopoietic stem cell transplantation | 1 | 45 | 1015 | 1025 |
| 303 | Psychophysiology | 1 | 45 | 5032 | 4578 |
| 305 | Cognitive Science | 1 | 44 | 2870 | 2487 |
| 305 | Cognitive neuroscience | 1 | 44 | 1756 | 1681 |
| 305 | Gerontology | 2 | 44 | 3018 | 2746 |
| 305 | Quality of life | 5 | 44 | 1429 | 2855 |
| 305 | Social behavior | 1 | 44 | 2281 | 1941 |
| 305 | Personality Assessment | 1 | 44 | 1056 | 998 |
| 305 | disease outbreaks | 2 | 44 | 876 | 1206 |
| 305 | Epidemics | 2 | 44 | 839 | 1186 |
| 313 | Microscopy | 3 | 43 | 2148 | 2262 |
| 313 | Cytokine | 3 | 43 | 496 | 1018 |
| 313 | mathematical analysis | 2 | 43 | 3076 | 2367 |
| 316 | Nursing | 5 | 42 | 1826 | 2569 |
| 316 | Genetic epidemiology | 1 | 42 | 668 | 594 |
| 316 | heredity | 1 | 42 | 1521 | 1154 |
| 319 | Engineering | 3 | 41 | 5697 | 5831 |
| 319 | Cellular senescence | 1 | 41 | 1571 | 1707 |
| 321 | Electrical Engineering | 1 | 40 | 5974 | 3445 |
| 321 | Nervous system | 5 | 40 | 2558 | 4482 |
| 323 | Interferons | 1 | 38 | 698 | 623 |
| 324 | Neurosurgery | 2 | 36 | 1795 | 2087 |
| 324 | DNA methylation | 1 | 36 | 712 | 845 |
| 326 | software | 2 | 35 | 1452 | 1937 |
| 327 | Reproductive health | 1 | 34 | 1723 | 1587 |
| 327 | Nanostructured Materials | 1 | 34 | 4938 | 4780 |
| 327 | Nanoparticles | 1 | 34 | 3312 | 3213 |
| 330 | Health Policy | 2 | 33 | 3773 | 4348 |
| 330 | Educational Technology | 1 | 33 | 3053 | 2423 |
| 330 | Music | 1 | 33 | 1937 | 1166 |
| 330 | Erectile dysfunction | 4 | 33 | 242 | 534 |
| 330 | voice | 1 | 33 | 1049 | 830 |
| 330 | anesthesia | 1 | 33 | 1338 | 826 |
| 336 | Travel | 1 | 32 | 2058 | 1601 |
| 336 | Tropical Medicine | 1 | 32 | 3777 | 3305 |
| 338 | Dental Public Health | 1 | 30 | 402 | 330 |
| 339 | Social Change | 1 | 29 | 1907 | 2182 |
| 339 | Radioisotopes | 4 | 29 | 1353 | 1884 |
| 341 | Neuromuscular diseases | 1 | 28 | 1438 | 1514 |
| 341 | Muscles | 1 | 28 | 1857 | 2061 |
| 341 | Genes | 2 | 28 | 1773 | 2339 |
| 344 | Mathematical Physics | 2 | 27 | 4031 | 3639 |
| 345 | Diagnosis | 5 | 26 | 534 | 1337 |
| 345 | Osteoporosis | 1 | 26 | 882 | 933 |
| 345 | Student Health Services | 2 | 26 | 395 | 561 |
| 348 | Recombinant DNA | 2 | 25 | 2387 | 3153 |
| 348 | biochemical markers | 5 | 25 | 735 | 1910 |
| 350 | cardiac catheterization | 1 | 24 | 1611 | 1468 |
| 351 | Radiopharmaceuticals | 3 | 23 | 501 | 550 |
| 351 | Lymphoma | 7 | 23 | 614 | 820 |
| 351 | Multiple Myeloma | 7 | 23 | 611 | 799 |
| 351 | Steroids | 1 | 23 | 1994 | 2218 |
| 351 | Yeast | 1 | 23 | 931 | 1071 |
| 356 | Molecular Pharmacology | 1 | 22 | 1591 | 2045 |
| 356 | health services accessibility | 1 | 22 | 2114 | 2114 |
| 356 | Hippocampus | 1 | 22 | 648 | 920 |
| 356 | DNA | 2 | 22 | 975 | 1436 |
| 360 | Psychosomatic Medicine | 2 | 21 | 1323 | 2073 |
| 360 | Patient Safety | 4 | 21 | 72 | 199 |
| 360 | Molecular evolution | 1 | 21 | 3344 | 3860 |
| 360 | drug evaluation | 4 | 21 | 1464 | 3052 |
| 364 | DNS | 1 | 20 | 1162 | 1404 |
| 364 | community participation | 1 | 20 | 294 | 304 |
| 364 | Faculty | 1 | 20 | 294 | 304 |
| 367 | Microbial Ecology | 3 | 19 | 2801 | 5283 |
| 368 | Database Management | 1 | 18 | 1472 | 1575 |
| 368 | Radio wave propagation | 1 | 18 | 1565 | 1427 |
| 368 | Chromatographic analysis | 1 | 18 | 3573 | 3762 |
| 371 | Melanoma | 2 | 17 | 356 | 748 |
| 371 | healthcare disparities | 3 | 17 | 604 | 1422 |
| 371 | Vaccination | 1 | 17 | 630 | 878 |
| 371 | probabilities | 1 | 17 | 2173 | 1763 |
| 375 | Medical Technology | 3 | 15 | 2411 | 4620 |
| 375 | Artificial Intelligence | 3 | 15 | 4405 | 6569 |
| 375 | Nuclear Chemistry | 2 | 15 | 1649 | 1993 |
| 375 | Radiochemistry | 2 | 15 | 1562 | 1844 |
| 375 | Social Issues | 1 | 15 | 510 | 702 |
| 375 | Technology | 3 | 15 | 5454 | 7911 |
| 375 | nanoscience | 2 | 15 | 3937 | 5501 |
| 382 | Clinical Trials | 2 | 14 | 972 | 1672 |
| 382 | Radiation Protection | 1 | 14 | 1547 | 1312 |
| 382 | radiation monitoring | 1 | 14 | 1393 | 1243 |
| 382 | nursing ethics | 1 | 14 | 563 | 778 |
| 382 | Genetic markers | 1 | 14 | 702 | 977 |
| 382 | Radiation dosimetry | 1 | 14 | 1132 | 999 |
| 388 | Raman spectroscopy | 1 | 13 | 1649 | 2107 |
| 388 | Microfluidics | 1 | 13 | 513 | 748 |
| 388 | Infertility | 1 | 13 | 2148 | 2472 |
| 388 | Infrared spectroscopy | 1 | 13 | 814 | 1098 |
| 388 | Spectrum analysis | 1 | 13 | 6926 | 7644 |
| 388 | Evolution | 1 | 13 | 3611 | 4398 |
| 388 | Stress | 1 | 13 | 657 | 954 |
| 388 | fertility | 1 | 13 | 2256 | 2599 |
| 388 | Pregnancy | 2 | 13 | 1378 | 2402 |
| 397 | Clinical Laboratory Science | 1 | 12 | 643 | 803 |
| 397 | Molecular Genetics | 2 | 12 | 3011 | 4827 |
| 397 | Mental Disorders | 3 | 12 | 3955 | 6800 |
| 397 | Alternative Medicine | 1 | 12 | 3740 | 4595 |
| 397 | complementary therapies | 1 | 12 | 4104 | 4883 |
| 397 | rare diseases | 3 | 12 | 854 | 1908 |
| 403 | Systems Engineering | 1 | 11 | 3990 | 4104 |
| 403 | vascular diseases | 1 | 11 | 1512 | 2043 |
| 403 | Mental illness | 2 | 11 | 3169 | 5002 |
| 403 | Informatics | 1 | 11 | 1743 | 2252 |
| 403 | miniaturization | 1 | 11 | 3353 | 4323 |
| 408 | Neural circuitry | 1 | 10 | 3411 | 4296 |
| 408 | Biofilms | 2 | 10 | 222 | 802 |
| 408 | pharmaceutical industry | 1 | 10 | 1323 | 1707 |
| 408 | rehabilitation | 3 | 10 | 2828 | 5314 |
| 408 | Cognition | 3 | 10 | 2006 | 3872 |
| 413 | Optics | 6 | 9 | 4373 | 7243 |
| 413 | Photography | 6 | 9 | 1616 | 2212 |
| 413 | Electron Microscopy | 1 | 9 | 890 | 1163 |
| 416 | Logic | 1 | 8 | 828 | 832 |
| 416 | Molecular Microbiology | 1 | 8 | 1723 | 2519 |
| 416 | Operations Research | 1 | 8 | 3744 | 4249 |
| 419 | Systems Theory | 1 | 7 | 1451 | 1702 |
| 419 | Robotics | 1 | 7 | 3008 | 3736 |
| 419 | epilepsy | 1 | 7 | 2011 | 2809 |
| 419 | psychotherapy | 2 | 7 | 1994 | 3242 |
| 423 | Information Theory | 1 | 6 | 2202 | 2639 |
| 423 | Antibacterial agents | 1 | 6 | 1597 | 2497 |
| 423 | Biomarkers | 3 | 6 | 519 | 1716 |
| 423 | Sexual health | 4 | 6 | 835 | 1923 |
| 423 | Ultrasonics | 1 | 6 | 2097 | 3053 |
| 423 | Sonochemistry | 1 | 6 | 1226 | 2030 |
| 429 | Amyotrophic Lateral Sclerosis | 1 | 5 | 588 | 949 |
| 429 | Computer-Aided Design | 2 | 5 | 1818 | 3235 |
| 429 | Frontotemporal lobar degeneration | 1 | 5 | 461 | 758 |
| 429 | Immunopharmacology | 1 | 5 | 2150 | 3080 |
| 429 | Molecular cloning | 1 | 5 | 2929 | 4047 |
| 429 | Genetic testing | 1 | 5 | 891 | 1401 |
| 429 | Genetic recombination | 1 | 5 | 2880 | 4001 |
| 429 | Neuroplasticity | 1 | 5 | 876 | 1444 |
| 429 | Mycology | 1 | 5 | 3021 | 4026 |
| 429 | neuronal plasticity | 1 | 5 | 733 | 1266 |
| 429 | monitoring | 1 | 5 | 710 | 1085 |
| 429 | disease susceptibility | 1 | 5 | 860 | 1486 |
| 429 | North America | 1 | 5 | 1985 | 2737 |
| 429 | Cheminformatics | 2 | 5 | 543 | 1304 |
| 429 | Fungi | 1 | 5 | 1922 | 2735 |
| 429 | Growth factors | 2 | 5 | 431 | 1284 |
| 429 | symptoms | 1 | 5 | 860 | 1486 |
| 446 | Cognitive Psychology | 1 | 4 | 841 | 1126 |
| 446 | Functional Analysis | 1 | 4 | 2032 | 2385 |
| 446 | Geriatric Pharmacology | 1 | 4 | 746 | 1302 |
| 446 | Oral Medicine | 1 | 4 | 1320 | 1957 |
| 446 | Cognitive Therapy | 1 | 4 | 1289 | 1985 |
| 446 | Elderly | 1 | 4 | 2615 | 2722 |
| 446 | older people | 1 | 4 | 3374 | 3978 |
| 446 | behavior therapy | 1 | 4 | 1645 | 2429 |
| 454 | Pharmacy | 1 | 3 | 4217 | 5860 |
| 454 | Radiologic Technology | 1 | 3 | 407 | 671 |
| 454 | Palliative Care | 1 | 3 | 2040 | 3015 |
| 454 | Polymers | 1 | 3 | 6973 | 8821 |
| 454 | Interventional Radiology | 1 | 3 | 407 | 671 |
| 454 | hospice care | 1 | 3 | 1334 | 2236 |
| 454 | Genetic Research | 1 | 3 | 461 | 969 |
| 454 | Child Development | 1 | 3 | 3730 | 5258 |
| 454 | Interventional Radiography | 1 | 3 | 407 | 671 |
| 454 | Endoscopic Surgery | 1 | 3 | 407 | 671 |
| 454 | Plastics | 1 | 3 | 3144 | 4196 |
| 454 | Imaging systems | 2 | 3 | 1170 | 2380 |
| 454 | polymerization | 1 | 3 | 5972 | 7514 |
| 467 | Public Policy | 1 | 2 | 3661 | 5583 |
| 467 | Human-Computer Interaction | 1 | 2 | 2997 | 4579 |
| 467 | Mobile genetic elements | 1 | 2 | 232 | 559 |
| 467 | Online social networks | 1 | 2 | 762 | 1441 |
| 467 | Medical Anthropology | 1 | 2 | 2621 | 4280 |
| 467 | Synaptic Transmission | 1 | 2 | 1066 | 1755 |
| 467 | Metabolic syndrome | 1 | 2 | 651 | 1340 |
| 467 | mental health promotion | 1 | 2 | 381 | 762 |
| 467 | Social support | 1 | 2 | 443 | 921 |
| 467 | Social environment | 1 | 2 | 524 | 1046 |
| 467 | medical education | 1 | 2 | 4006 | 5649 |
| 467 | internet | 1 | 2 | 2476 | 3706 |
| 479 | Occupational Therapy | 1 | 1 | 2340 | 3471 |
| 479 | Occupational Health | 1 | 1 | 2586 | 3939 |
| 479 | Industrial Safety | 1 | 1 | 2552 | 4012 |
| 479 | industrial hygiene | 1 | 1 | 2614 | 3952 |
| 479 | Exercise therapy | 1 | 1 | 976 | 1637 |
| 479 | Hemophilia | 1 | 1 | 1016 | 1618 |
| 479 | Australia | 1 | 1 | 4126 | 6217 |
| 486 | Software Engineering | 1 | 0 | 1954 | 3104 |
| 486 | Radiotherapy | 6 | 0 | 360 | 1048 |
| 486 | orphan drugs | 1 | 0 | 123 | 367 |
| 486 | Culture techniques | 1 | 0 | 696 | 1234 |
| 486 | pain | 1 | 0 | 2848 | 4248 |
