| 1 | Medicine | 119 | 8.1K | 2265 | 1588 |
| 2 | Immunology | 48 | 5.2K | 1252 | 775 |
| 3 | Biology | 44 | 4.7K | 3778 | 2774 |
| 4 | Hematology | 106 | 3.2K | 655 | 754 |
| 5 | Cytology | 17 | 2.8K | 2467 | 1425 |
| 6 | Physics | 11 | 2.5K | 7050 | 3940 |
| 7 | Chemistry | 33 | 2.5K | 4557 | 3150 |
| 8 | Research | 60 | 2.4K | 2805 | 2352 |
| 9 | Cell Biology | 12 | 2.4K | 2736 | 1530 |
| 10 | Oncology | 4 | 2.3K | 2472 | 835 |
| 11 | Science | 57 | 2.3K | 3585 | 4217 |
| 12 | Molecular Biology | 41 | 2.1K | 3247 | 2949 |
| 13 | free radicals | 24 | 1.8K | 452 | 344 |
| 14 | Metabolic diseases | 23 | 1.7K | 1079 | 941 |
| 15 | Biochemistry | 51 | 1.7K | 3381 | 3326 |
| 16 | Cancer | 20 | 1.5K | 1881 | 1373 |
| 17 | cell physiology | 6 | 1.5K | 1328 | 504 |
| 18 | Pharmacology | 53 | 1.5K | 1657 | 1809 |
| 19 | Oxidation-reduction | 15 | 1.3K | 274 | 261 |
| 20 | Dermatology | 50 | 1.2K | 403 | 479 |
| 21 | Microbiology | 41 | 1.2K | 2484 | 2971 |
| 22 | Virology | 15 | 1.1K | 1817 | 1788 |
| 23 | Psychiatry | 14 | 1.1K | 2605 | 1712 |
| 24 | Oxidative stress | 11 | 1.1K | 538 | 284 |
| 25 | Immunity | 6 | 1.0K | 1709 | 1209 |
| 26 | Surgery | 10 | 1.0K | 1540 | 1085 |
| 27 | Metabolism | 22 | 980 | 1375 | 1360 |
| 28 | Endocrinology | 22 | 967 | 1486 | 1504 |
| 29 | Mental Disorders | 8 | 940 | 2420 | 1332 |
| 30 | Leukemia | 12 | 892 | 721 | 560 |
| 31 | Pharmaceutical Chemistry | 15 | 854 | 2304 | 1733 |
| 32 | Allergy | 10 | 808 | 859 | 846 |
| 33 | Neurology | 40 | 804 | 2018 | 2772 |
| 34 | Homeostasis | 3 | 781 | 546 | 548 |
| 34 | Cell metabolism | 3 | 781 | 839 | 570 |
| 36 | Bipolar Disorder | 4 | 741 | 349 | 132 |
| 37 | Nutrition | 27 | 739 | 1783 | 2009 |
| 38 | arthritis | 22 | 654 | 527 | 756 |
| 39 | Clinical Chemistry | 12 | 625 | 1865 | 1509 |
| 40 | Liver diseases | 14 | 600 | 815 | 1014 |
| 41 | drug therapy | 26 | 597 | 906 | 1126 |
| 42 | Pathology | 12 | 594 | 1508 | 1294 |
| 43 | Medical genetics | 13 | 592 | 1869 | 2019 |
| 44 | Quality of life | 9 | 577 | 917 | 597 |
| 45 | Autoimmunity | 6 | 567 | 598 | 384 |
| 46 | Human genetics | 2 | 562 | 3192 | 2663 |
| 47 | Aging | 9 | 559 | 2145 | 1304 |
| 48 | Cardiovascular system | 15 | 497 | 863 | 1309 |
| 49 | Psychology | 8 | 491 | 3950 | 2416 |
| 50 | Medical Microbiology | 24 | 480 | 947 | 1612 |
| 51 | drugs | 15 | 477 | 1095 | 973 |
| 52 | Immune system | 4 | 459 | 1107 | 976 |
| 53 | Biophysics | 32 | 455 | 2466 | 3462 |
| 54 | Chemotherapy | 11 | 453 | 818 | 689 |
| 55 | Natural history | 2 | 443 | 5970 | 4830 |
| 56 | Child | 4 | 435 | 2686 | 1156 |
| 56 | Adolescent | 4 | 435 | 2267 | 948 |
| 58 | Geriatrics | 7 | 434 | 2565 | 1485 |
| 58 | Hypertension | 12 | 434 | 1021 | 1368 |
| 60 | Cell death | 3 | 433 | 1449 | 922 |
| 61 | Toxicology | 15 | 427 | 2771 | 2972 |
| 62 | Genomics | 18 | 425 | 1623 | 2030 |
| 63 | Digestive system diseases | 14 | 410 | 470 | 460 |
| 64 | Physiology | 5 | 404 | 4125 | 2697 |
| 65 | Respiratory system | 10 | 399 | 293 | 265 |
| 65 | Respiration | 10 | 399 | 982 | 907 |
| 67 | Tropical Medicine | 20 | 383 | 709 | 773 |
| 68 | Medical Oncology | 6 | 346 | 1644 | 1326 |
| 69 | Critical Care | 13 | 337 | 954 | 1445 |
| 69 | Critical Care Medicine | 13 | 337 | 905 | 1418 |
| 71 | Clinical Pharmacology | 13 | 323 | 812 | 829 |
| 71 | Antibacterial agents | 9 | 323 | 371 | 395 |
| 73 | Biotechnology | 5 | 321 | 6055 | 4747 |
| 74 | Neurochemistry | 10 | 311 | 1640 | 1759 |
| 75 | Medical Laboratory Science | 2 | 301 | 3109 | 1456 |
| 76 | Transplantation | 1 | 300 | 2189 | 1010 |
| 77 | Nanotechnology | 5 | 295 | 4735 | 3757 |
| 78 | Epidemiology | 11 | 294 | 2600 | 2698 |
| 79 | Pharmacogenetics | 13 | 290 | 490 | 773 |
| 79 | Developmental Biology | 1 | 290 | 3611 | 1773 |
| 81 | Rheumatology | 7 | 285 | 1027 | 972 |
| 82 | Pharmacogenomics | 9 | 271 | 93 | 164 |
| 83 | Public Health | 14 | 268 | 3569 | 4355 |
| 84 | Industrial Microbiology | 1 | 263 | 3629 | 1592 |
| 85 | Diabetes mellitus | 6 | 244 | 1905 | 2075 |
| 85 | Diabetes | 6 | 244 | 2007 | 2138 |
| 87 | Bioorganic chemistry | 7 | 236 | 2337 | 2252 |
| 88 | Behavior | 5 | 234 | 3024 | 2804 |
| 89 | Environmental Health | 3 | 233 | 6433 | 4720 |
| 90 | infection | 10 | 232 | 1061 | 1415 |
| 91 | Nervous system | 11 | 228 | 1558 | 2285 |
| 91 | pain | 8 | 228 | 1013 | 1167 |
| 93 | Organic Chemistry | 5 | 219 | 2992 | 2389 |
| 94 | food technology | 6 | 216 | 2218 | 2051 |
| 94 | viruses | 4 | 216 | 1595 | 1523 |
| 96 | Food | 5 | 214 | 3037 | 2570 |
| 97 | Signal Transduction | 5 | 209 | 1309 | 1382 |
| 98 | Mental illness | 7 | 205 | 1649 | 2002 |
| 99 | Animal Behavior | 2 | 202 | 2574 | 1732 |
| 99 | human behavior | 2 | 202 | 3504 | 2520 |
| 101 | Proteomics | 5 | 201 | 1074 | 1078 |
| 102 | nanoscience | 2 | 200 | 3911 | 2599 |
| 103 | Antioxidants | 4 | 199 | 764 | 861 |
| 104 | Therapeutics | 12 | 192 | 1033 | 1749 |
| 105 | Infections | 9 | 187 | 776 | 1308 |
| 106 | Analytical Chemistry | 4 | 181 | 4678 | 3761 |
| 107 | Immunotherapy | 8 | 180 | 1375 | 1963 |
| 108 | Diagnostic microbiology | 7 | 179 | 1064 | 1776 |
| 109 | Carcinogenesis | 1 | 178 | 1978 | 1009 |
| 109 | carcinogens | 1 | 178 | 1987 | 976 |
| 109 | mutagens | 1 | 178 | 1589 | 912 |
| 112 | Ethology | 1 | 174 | 2617 | 1593 |
| 112 | Psychophysiology | 1 | 174 | 4629 | 2671 |
| 114 | Histology | 2 | 164 | 2674 | 1814 |
| 115 | Histocompatibility Testing | 3 | 159 | 707 | 388 |
| 116 | Clinical Immunology | 12 | 136 | 737 | 1299 |
| 116 | Gerontology | 4 | 136 | 2107 | 1494 |
| 118 | Radiobiology | 3 | 135 | 1850 | 1552 |
| 119 | Food Microbiology | 3 | 129 | 1466 | 1574 |
| 120 | Cardiovascular diseases | 7 | 127 | 1300 | 1483 |
| 121 | rehabilitation | 6 | 126 | 1882 | 2153 |
| 122 | Cell differentiation | 1 | 123 | 2988 | 2293 |
| 122 | Parasitic Diseases | 7 | 123 | 1719 | 2217 |
| 124 | histological techniques | 2 | 115 | 1124 | 964 |
| 125 | Biomedical Engineering | 5 | 114 | 5038 | 5237 |
| 126 | Immunopathology | 7 | 111 | 1092 | 1645 |
| 127 | Community Psychiatry | 2 | 109 | 1520 | 1148 |
| 127 | Diet | 5 | 109 | 2020 | 2752 |
| 127 | Psychiatric Epidemiology | 2 | 109 | 752 | 674 |
| 127 | Coronary heart disease | 21 | 109 | 18 | 82 |
| 131 | Psychopharmacology | 4 | 107 | 1672 | 1956 |
| 131 | Neurophysiology | 3 | 107 | 3367 | 3379 |
| 133 | Medical Technology | 6 | 106 | 1446 | 1946 |
| 134 | Pharmacy | 2 | 103 | 3085 | 2333 |
| 135 | Urology | 4 | 102 | 1912 | 2025 |
| 136 | Multiple sclerosis | 5 | 99 | 531 | 448 |
| 137 | Pharmaceutical Technology | 1 | 98 | 2751 | 1750 |
| 137 | Pharmacokinetics | 1 | 98 | 2001 | 1071 |
| 139 | Parasitology | 5 | 97 | 2340 | 2489 |
| 140 | Brain | 2 | 95 | 3525 | 3110 |
| 141 | United States | 2 | 93 | 8123 | 5383 |
| 142 | Emergency Medicine | 4 | 91 | 1724 | 1611 |
| 142 | Oncogenes | 2 | 91 | 1639 | 1973 |
| 144 | Chromosome mapping | 2 | 90 | 2789 | 2634 |
| 144 | calcification | 2 | 90 | 802 | 724 |
| 144 | Stem cells | 5 | 90 | 1543 | 2103 |
| 144 | gene mapping | 2 | 90 | 3054 | 2973 |
| 148 | Malaria | 2 | 81 | 1072 | 924 |
| 148 | Autoimmune diseases | 2 | 81 | 950 | 980 |
| 150 | Materials | 2 | 80 | 7249 | 6141 |
| 151 | Bioenergetics | 5 | 79 | 735 | 1166 |
| 151 | Energy metabolism | 5 | 79 | 548 | 844 |
| 151 | cell membrane | 6 | 79 | 470 | 827 |
| 154 | Clinical Psychology | 3 | 78 | 1720 | 2080 |
| 154 | Health promotion | 1 | 78 | 3012 | 1799 |
| 156 | Computational Biology | 2 | 75 | 4396 | 3632 |
| 156 | Photonics | 3 | 75 | 2017 | 2175 |
| 156 | Bioinformatics | 2 | 75 | 3012 | 2652 |
| 156 | Osteoporosis | 4 | 75 | 330 | 430 |
| 156 | Bone diseases | 4 | 75 | 476 | 803 |
| 161 | Proteome | 1 | 72 | 2240 | 1882 |
| 162 | Radiology | 2 | 71 | 2418 | 1686 |
| 162 | X-rays | 2 | 71 | 1094 | 688 |
| 164 | cardiac catheterization | 7 | 70 | 659 | 910 |
| 164 | biochemical markers | 7 | 70 | 504 | 1011 |
| 166 | Parasites | 3 | 68 | 1979 | 2005 |
| 167 | Optical materials | 2 | 66 | 3384 | 3358 |
| 168 | Thrombosis | 4 | 64 | 1180 | 1616 |
| 169 | Women's health | 1 | 63 | 2838 | 1735 |
| 170 | Nephrology | 2 | 61 | 867 | 1063 |
| 170 | Hemostasis | 3 | 61 | 993 | 1110 |
| 170 | Enteral nutrition | 3 | 61 | 1069 | 1503 |
| 170 | Parenteral nutrition | 3 | 61 | 1309 | 1746 |
| 170 | Kidney diseases | 2 | 61 | 1484 | 1456 |
| 175 | Radiation Oncology | 3 | 60 | 435 | 579 |
| 176 | monitoring | 4 | 58 | 246 | 304 |
| 177 | Biocompatible Materials | 2 | 57 | 4861 | 5376 |
| 178 | Sleep Disorders | 7 | 52 | 1335 | 2253 |
| 178 | disabilities | 3 | 52 | 853 | 1054 |
| 178 | Sleep | 7 | 52 | 1339 | 2268 |
| 181 | RNA | 1 | 51 | 1024 | 968 |
| 182 | Intellectual disability | 5 | 50 | 722 | 1148 |
| 183 | Developmental Disabilities | 1 | 48 | 1850 | 1715 |
| 183 | Medical innovations | 2 | 48 | 1581 | 2597 |
| 185 | Neuropsychology | 3 | 47 | 2699 | 3398 |
| 185 | Nanostructures | 1 | 47 | 3966 | 3326 |
| 185 | risk factors | 2 | 47 | 1115 | 1196 |
| 188 | Biomarkers | 5 | 46 | 293 | 658 |
| 189 | Long-Term Care | 1 | 45 | 1131 | 1053 |
| 189 | Long-term care facilities | 1 | 45 | 1122 | 1047 |
| 189 | Microcirculation | 1 | 45 | 984 | 840 |
| 189 | Pituitary gland | 2 | 45 | 328 | 400 |
| 193 | Cytogenetics | 1 | 44 | 2927 | 2889 |
| 193 | gene therapy | 3 | 44 | 1399 | 2127 |
| 193 | Developmental Immunology | 2 | 44 | 1171 | 1429 |
| 196 | Thorax | 2 | 43 | 705 | 988 |
| 197 | Primary health care | 2 | 42 | 2754 | 2848 |
| 198 | Schizophrenia | 2 | 40 | 1489 | 1848 |
| 199 | Genetics | 1 | 38 | 6792 | 6517 |
| 199 | Molecular Pharmacology | 1 | 38 | 1524 | 1657 |
| 199 | Antibodies | 1 | 38 | 1385 | 1234 |
| 199 | Antigens | 1 | 38 | 1759 | 1578 |
| 203 | Ecology | 1 | 35 | 9939 | 9940 |
| 203 | Microbial Ecology | 1 | 35 | 4050 | 4507 |
| 203 | Immunochemistry | 2 | 35 | 1564 | 1769 |
| 203 | Environment | 1 | 35 | 8543 | 9184 |
| 203 | Endocrine system | 2 | 35 | 1312 | 594 |
| 203 | drug evaluation | 6 | 35 | 1070 | 2431 |
| 203 | Gastrointestinal diseases | 1 | 35 | 1506 | 1272 |
| 210 | Vaccines | 4 | 33 | 1971 | 3417 |
| 211 | Culture techniques | 2 | 32 | 474 | 552 |
| 212 | Chronic diseases | 1 | 31 | 1411 | 1559 |
| 213 | Medical Physics | 3 | 30 | 1980 | 2575 |
| 213 | epilepsy | 3 | 30 | 1187 | 1821 |
| 215 | behavioral medicine | 1 | 28 | 2673 | 3032 |
| 216 | United Kingdom | 1 | 27 | 3189 | 3091 |
| 217 | Immunopharmacology | 3 | 25 | 1255 | 2222 |
| 217 | Drug design | 1 | 25 | 3410 | 3401 |
| 217 | cytokines | 3 | 25 | 1587 | 2836 |
| 220 | Social welfare | 1 | 24 | 1285 | 1101 |
| 220 | Genetic markers | 2 | 24 | 407 | 691 |
| 220 | Social work | 1 | 24 | 2882 | 2286 |
| 220 | Virulence | 1 | 24 | 2173 | 2799 |
| 220 | Spectrum analysis | 1 | 24 | 6670 | 6559 |
| 225 | clay | 1 | 23 | 1542 | 1923 |
| 225 | Steroids | 1 | 23 | 1879 | 2071 |
| 227 | Randomized Controlled Trials | 3 | 22 | 1479 | 2310 |
| 227 | antibiotics | 1 | 22 | 567 | 690 |
| 227 | Phylogeny | 1 | 22 | 1631 | 2041 |
| 230 | Autoantibodies | 1 | 21 | 1170 | 1485 |
| 231 | Research Design | 1 | 20 | 2568 | 2821 |
| 231 | nuclear magnetic resonance | 1 | 20 | 1913 | 1839 |
| 231 | Public opinion | 1 | 20 | 836 | 953 |
| 231 | Heart Failure | 3 | 20 | 501 | 1075 |
| 231 | Magnetic Resonance Spectroscopy | 1 | 20 | 2128 | 2056 |
| 236 | Screening | 1 | 19 | 470 | 543 |
| 237 | Visual Perception | 2 | 18 | 2623 | 3706 |
| 237 | Mitochondria | 1 | 18 | 745 | 952 |
| 237 | isomerism | 1 | 18 | 752 | 809 |
| 237 | Genetic therapy | 2 | 18 | 1824 | 2843 |
| 237 | Memory | 2 | 18 | 2777 | 4037 |
| 237 | Muscles | 2 | 18 | 1318 | 2113 |
| 237 | Attention | 2 | 18 | 2731 | 3910 |
| 237 | Perception | 2 | 18 | 2842 | 3967 |
| 237 | Chirality | 1 | 18 | 752 | 809 |
| 246 | drug resistance | 1 | 17 | 1649 | 2076 |
| 247 | Asthma | 2 | 16 | 1088 | 1690 |
| 247 | monoclonal antibodies | 1 | 16 | 683 | 742 |
| 247 | Chromatographic analysis | 1 | 16 | 3466 | 3748 |
| 250 | Health Policy | 2 | 15 | 3631 | 5169 |
| 250 | Neurotoxicology | 2 | 15 | 844 | 1724 |
| 250 | Molecular evolution | 1 | 15 | 2887 | 3672 |
| 250 | Happiness | 1 | 15 | 971 | 1238 |
| 250 | Evolution | 1 | 15 | 3451 | 4047 |
| 255 | Hormones | 1 | 14 | 2472 | 3077 |
| 256 | Bioengineering | 1 | 13 | 7382 | 8397 |
| 256 | Biochemical Engineering | 1 | 13 | 5385 | 6711 |
| 256 | Neuromuscular diseases | 1 | 13 | 1318 | 1678 |
| 259 | Nursing | 1 | 12 | 3788 | 3871 |
| 259 | drug development | 2 | 12 | 1640 | 3155 |
| 261 | Psychosomatic Medicine | 2 | 11 | 1199 | 2205 |
| 261 | dietary supplements | 1 | 11 | 1636 | 2350 |
| 261 | pain management | 2 | 11 | 1069 | 1726 |
| 264 | Immunogenetics | 1 | 10 | 1474 | 1922 |
| 264 | Drug delivery systems | 1 | 10 | 2798 | 3668 |
| 264 | Drug delivery devices | 1 | 10 | 432 | 802 |
| 264 | Elderly | 3 | 10 | 1585 | 2067 |
| 264 | older people | 3 | 10 | 2054 | 3143 |
| 264 | cell interaction | 1 | 10 | 2226 | 3049 |
| 270 | Apoptosis | 1 | 9 | 643 | 1087 |
| 270 | neurotoxins | 1 | 9 | 643 | 1087 |
| 270 | Neurotoxic agents | 1 | 9 | 643 | 1087 |
| 270 | Neuropharmacology | 1 | 9 | 1358 | 1637 |
| 270 | Developmental Neurobiology | 1 | 9 | 1173 | 1491 |
| 270 | Anxiety Disorders | 1 | 9 | 1047 | 1592 |
| 270 | Anxiety | 1 | 9 | 1051 | 1593 |
| 270 | Entropy | 1 | 9 | 2325 | 2623 |
| 270 | Nerve regeneration | 1 | 9 | 643 | 1087 |
| 279 | Geriatric Pharmacology | 1 | 8 | 686 | 1045 |
| 279 | anesthesia | 1 | 8 | 1243 | 1346 |
| 279 | Spain | 6 | 8 | 629 | 1244 |
| 282 | Emergency Medical Services | 2 | 7 | 1256 | 2428 |
| 282 | Learning disabilities | 2 | 7 | 1112 | 1974 |
| 282 | disease outbreaks | 1 | 7 | 1170 | 1860 |
| 282 | Epidemics | 1 | 7 | 1103 | 1793 |
| 282 | transport vesicles | 1 | 7 | 569 | 1035 |
| 287 | Lymphoma | 3 | 6 | 646 | 1134 |
| 287 | Multiple Myeloma | 3 | 6 | 638 | 1106 |
| 287 | gastrointestinal tract | 1 | 6 | 703 | 1250 |
| 290 | Mental Health | 1 | 5 | 3362 | 4516 |
| 290 | Electrocardiography | 3 | 5 | 471 | 1074 |
| 290 | Medical Ethics | 1 | 5 | 2379 | 3112 |
| 290 | Sarcopenia | 1 | 5 | 889 | 1356 |
| 290 | Electrophysiology | 3 | 5 | 1369 | 2775 |
| 295 | Computer Science | 1 | 3 | 4364 | 5499 |
| 295 | Public Policy | 1 | 3 | 3481 | 5193 |
| 295 | health services accessibility | 1 | 3 | 2074 | 3217 |
| 295 | Genetic Research | 1 | 3 | 435 | 925 |
| 295 | sanitation | 2 | 3 | 2202 | 4134 |
| 295 | Smoking | 1 | 3 | 1434 | 2330 |
| 295 | Obesity | 1 | 3 | 3766 | 5495 |
| 295 | Substance Abuse | 1 | 3 | 2672 | 3923 |
| 295 | drug addiction | 1 | 3 | 2117 | 3242 |
| 295 | alcoholism | 1 | 3 | 2756 | 4072 |
| 305 | Systems Biology | 1 | 2 | 3262 | 4948 |
| 305 | occupational diseases | 1 | 2 | 1862 | 3293 |
| 305 | Cognitive neuroscience | 1 | 2 | 1673 | 2558 |
| 305 | Genetic testing | 1 | 2 | 846 | 1494 |
| 305 | software | 1 | 2 | 1947 | 3171 |
| 305 | Cognition | 1 | 2 | 2927 | 4347 |
| 311 | Ophthalmology | 1 | 1 | 3130 | 4596 |
| 311 | Radiation Protection | 1 | 1 | 1506 | 2172 |
| 311 | Health Physics | 1 | 1 | 575 | 974 |
| 311 | radiation monitoring | 1 | 1 | 1365 | 2030 |
| 311 | Faith and Reason | 1 | 1 | 8 | 2 |
| 311 | Parkinson's disease | 1 | 1 | 588 | 1096 |
| 311 | Dementia | 5 | 1 | 1460 | 3030 |
| 311 | Alzheimer's disease | 5 | 1 | 1481 | 3129 |
| 311 | brain diseases | 1 | 1 | 33 | 149 |
| 320 | Medical Imaging | 1 | 0 | 606 | 950 |
| 320 | Magnetic Resonance Imaging | 1 | 0 | 1084 | 1838 |
| 320 | Evidence-based practice | 1 | 0 | 313 | 428 |
| 320 | Evidence-Based Medicine | 1 | 0 | 2626 | 4080 |
| 320 | Cytoskeleton | 1 | 0 | 562 | 1068 |
