| 1 | Neurology | 346 | 27.9K | 567 | 402 |
| 2 | Science | 126 | 20.0K | 2250 | 1261 |
| 3 | Human genetics | 80 | 18.8K | 446 | 391 |
| 4 | Biology | 101 | 17.7K | 2387 | 1338 |
| 5 | Physics | 87 | 17.7K | 2801 | 1444 |
| 6 | Natural history | 56 | 15.5K | 958 | 858 |
| 7 | Medicine | 171 | 13.2K | 1844 | 1189 |
| 8 | Neurophysiology | 89 | 8.6K | 594 | 395 |
| 9 | Cytology | 58 | 8.3K | 1318 | 819 |
| 10 | Cell Biology | 60 | 8.0K | 1193 | 829 |
| 11 | Research | 79 | 7.6K | 2438 | 1141 |
| 12 | Biochemistry | 196 | 7.1K | 1653 | 1636 |
| 13 | Biophysics | 186 | 6.8K | 829 | 721 |
| 14 | Genetics | 65 | 6.4K | 953 | 678 |
| 15 | Medical genetics | 43 | 6.4K | 1062 | 523 |
| 16 | Neurobiology | 81 | 5.5K | 269 | 253 |
| 17 | Surgery | 31 | 5.1K | 795 | 438 |
| 18 | Metabolism | 36 | 5.1K | 1090 | 545 |
| 19 | arthritis | 28 | 5.1K | 465 | 163 |
| 20 | Physiology | 114 | 5.1K | 728 | 639 |
| 21 | Neurons | 35 | 5.1K | 172 | 240 |
| 22 | Immunology | 121 | 5.0K | 725 | 858 |
| 23 | Brain | 76 | 4.8K | 608 | 423 |
| 24 | Virology | 11 | 4.7K | 2218 | 924 |
| 25 | Medical Physics | 115 | 4.2K | 190 | 152 |
| 26 | Microbiology | 60 | 3.9K | 2063 | 1699 |
| 27 | Epidemiology | 47 | 3.7K | 1082 | 574 |
| 28 | Molecular Biology | 68 | 3.5K | 2546 | 2368 |
| 29 | Nervous system | 31 | 3.2K | 881 | 512 |
| 30 | Endocrinology | 46 | 3.0K | 1000 | 867 |
| 31 | Public Health | 37 | 3.0K | 2036 | 1094 |
| 32 | Nutrition | 23 | 2.7K | 2079 | 917 |
| 33 | Pharmacology | 62 | 2.6K | 1604 | 1335 |
| 34 | Pediatric Neurology | 24 | 2.6K | 399 | 318 |
| 35 | Vocational guidance | 2 | 2.4K | 1192 | 131 |
| 36 | Parenteral nutrition | 3 | 2.2K | 1455 | 204 |
| 37 | Enteral nutrition | 2 | 2.2K | 1471 | 153 |
| 38 | Medical Microbiology | 27 | 2.1K | 945 | 696 |
| 39 | drug therapy | 49 | 2.1K | 634 | 501 |
| 40 | Psychiatry | 61 | 2.0K | 1237 | 1370 |
| 41 | Chronic diseases | 31 | 1.8K | 176 | 235 |
| 42 | Bones | 8 | 1.8K | 713 | 177 |
| 43 | Neurochemistry | 33 | 1.6K | 886 | 784 |
| 44 | Metabolic diseases | 31 | 1.6K | 943 | 1055 |
| 45 | Therapeutics | 35 | 1.5K | 513 | 517 |
| 46 | Biomedical Engineering | 23 | 1.5K | 2234 | 1390 |
| 47 | Bioengineering | 11 | 1.4K | 3027 | 1749 |
| 48 | Cancer | 27 | 1.4K | 1709 | 1559 |
| 49 | Chromosome mapping | 32 | 1.4K | 507 | 547 |
| 49 | gene mapping | 33 | 1.4K | 567 | 682 |
| 51 | pain | 21 | 1.4K | 566 | 430 |
| 52 | Biocompatible Materials | 17 | 1.2K | 2048 | 1670 |
| 53 | Sleep Disorders | 29 | 1.2K | 612 | 451 |
| 53 | Sleep | 29 | 1.2K | 606 | 458 |
| 55 | Mental Disorders | 53 | 1.2K | 741 | 1241 |
| 56 | Steroids | 35 | 1.2K | 196 | 176 |
| 57 | Thrombosis | 14 | 1.1K | 611 | 345 |
| 58 | Biomechanics | 8 | 1.1K | 1028 | 356 |
| 59 | Hematology | 27 | 1.1K | 1796 | 1439 |
| 60 | Immunopathology | 38 | 1.0K | 350 | 452 |
| 61 | Cardiovascular system | 18 | 1.0K | 840 | 954 |
| 62 | vascular diseases | 11 | 1.0K | 402 | 271 |
| 63 | Geriatrics | 18 | 986 | 1558 | 953 |
| 64 | Allergy | 15 | 910 | 711 | 816 |
| 65 | Hormones | 8 | 904 | 1021 | 477 |
| 66 | Orthopedics | 18 | 877 | 775 | 570 |
| 67 | Immunity | 7 | 867 | 1684 | 1400 |
| 68 | Statistics | 14 | 839 | 1559 | 792 |
| 69 | Mental illness | 37 | 836 | 585 | 1059 |
| 70 | Diagnostic microbiology | 13 | 815 | 751 | 822 |
| 71 | Aging | 14 | 785 | 1748 | 1166 |
| 72 | Cytogenetics | 7 | 777 | 1337 | 926 |
| 73 | Obstetrics | 18 | 775 | 1406 | 988 |
| 74 | Respiration | 17 | 771 | 726 | 653 |
| 75 | Biometrics | 15 | 730 | 550 | 363 |
| 76 | Diabetes | 10 | 723 | 1615 | 1389 |
| 77 | Environment | 18 | 720 | 2693 | 3322 |
| 78 | Liver diseases | 19 | 714 | 738 | 1027 |
| 79 | Chemotherapy | 18 | 708 | 670 | 517 |
| 80 | Diabetes mellitus | 9 | 700 | 1637 | 1378 |
| 81 | Spine | 6 | 690 | 623 | 338 |
| 82 | Dermatology | 28 | 686 | 709 | 785 |
| 83 | Perception | 32 | 683 | 666 | 856 |
| 84 | preventive medicine | 15 | 681 | 633 | 583 |
| 84 | Cerebral cortex | 2 | 681 | 1320 | 487 |
| 86 | Visual Perception | 31 | 679 | 575 | 753 |
| 87 | Attention | 30 | 669 | 616 | 789 |
| 88 | Memory | 29 | 665 | 683 | 888 |
| 89 | Psychophysiology | 10 | 663 | 2092 | 1617 |
| 90 | chronic disease | 12 | 653 | 141 | 95 |
| 91 | Rheumatology | 14 | 638 | 703 | 668 |
| 92 | Clinical Immunology | 28 | 628 | 386 | 522 |
| 93 | Hypertension | 12 | 623 | 1109 | 1214 |
| 94 | Genetic therapy | 14 | 596 | 674 | 682 |
| 95 | Urology | 26 | 576 | 852 | 1051 |
| 96 | Microcirculation | 10 | 559 | 194 | 114 |
| 96 | Blood vessels | 10 | 559 | 137 | 59 |
| 98 | Parasitology | 22 | 558 | 1030 | 1004 |
| 99 | Medical Oncology | 33 | 557 | 767 | 1120 |
| 100 | Brain damage | 16 | 529 | 112 | 122 |
| 101 | Diagnostic Imaging | 8 | 506 | 1613 | 975 |
| 102 | Pediatrics | 11 | 499 | 1830 | 1749 |
| 103 | Developmental Biology | 4 | 496 | 2288 | 1492 |
| 104 | gene therapy | 12 | 485 | 637 | 744 |
| 105 | Orthopedic Surgery | 11 | 471 | 476 | 379 |
| 106 | Psychology | 13 | 442 | 3184 | 2707 |
| 107 | Reproduction | 5 | 434 | 2379 | 1296 |
| 108 | rehabilitation | 11 | 431 | 1395 | 1142 |
| 109 | Vaccines | 11 | 424 | 1204 | 1084 |
| 110 | diseases | 1 | 415 | 831 | 755 |
| 110 | Disease | 1 | 415 | 845 | 735 |
| 112 | Pathology | 13 | 406 | 1542 | 1699 |
| 113 | Clinical Chemistry | 13 | 405 | 1913 | 2036 |
| 114 | medical education | 20 | 404 | 764 | 813 |
| 115 | Biotechnology | 7 | 399 | 5445 | 4512 |
| 116 | Parasites | 16 | 396 | 711 | 726 |
| 117 | Critical Care | 9 | 388 | 1263 | 1473 |
| 118 | Oncology | 11 | 386 | 1486 | 2139 |
| 119 | Radiobiology | 27 | 372 | 768 | 1044 |
| 120 | Immunogenetics | 12 | 361 | 352 | 379 |
| 121 | Autoantibodies | 23 | 360 | 111 | 358 |
| 121 | Autoimmunity | 23 | 360 | 198 | 582 |
| 121 | Autoimmune diseases | 23 | 360 | 130 | 390 |
| 124 | older people | 8 | 359 | 1218 | 585 |
| 125 | Neurosurgery | 4 | 353 | 1309 | 737 |
| 126 | Sociology | 5 | 352 | 2908 | 1607 |
| 126 | Medical Anthropology | 5 | 352 | 1201 | 958 |
| 128 | Critical Care Medicine | 7 | 349 | 1356 | 1518 |
| 129 | Neuropsychology | 13 | 348 | 1381 | 1523 |
| 130 | Botany | 2 | 340 | 5080 | 2770 |
| 131 | Radiology | 10 | 337 | 1151 | 772 |
| 132 | cell physiology | 7 | 314 | 1286 | 1404 |
| 133 | Cell differentiation | 6 | 312 | 1623 | 1705 |
| 134 | Neuroendocrinology | 1 | 300 | 348 | 161 |
| 135 | Immunochemistry | 8 | 296 | 696 | 521 |
| 136 | Health | 13 | 293 | 1305 | 1488 |
| 137 | Clinical Biochemistry | 16 | 292 | 608 | 814 |
| 138 | Radiotherapy | 8 | 289 | 294 | 119 |
| 139 | Psychopharmacology | 5 | 285 | 1646 | 1411 |
| 140 | Tropical Medicine | 11 | 274 | 1157 | 1008 |
| 141 | Plant Biotechnology | 1 | 273 | 1588 | 502 |
| 141 | Plant genetic engineering | 1 | 273 | 1777 | 730 |
| 143 | Pharmaceutical Chemistry | 11 | 271 | 2792 | 3192 |
| 144 | Sports Medicine | 8 | 265 | 2025 | 1550 |
| 144 | Quality of life | 8 | 265 | 1048 | 1100 |
| 146 | mammals | 16 | 264 | 417 | 582 |
| 147 | government | 10 | 255 | 401 | 310 |
| 148 | behavioral medicine | 5 | 252 | 1236 | 1136 |
| 149 | Antigens | 17 | 235 | 374 | 675 |
| 150 | Physical Therapy | 5 | 229 | 1287 | 1127 |
| 151 | United States | 6 | 228 | 5125 | 3748 |
| 152 | Histochemistry | 3 | 218 | 1360 | 754 |
| 152 | histological techniques | 3 | 218 | 873 | 720 |
| 152 | United Kingdom | 4 | 218 | 1848 | 1512 |
| 155 | Homeostasis | 2 | 216 | 762 | 1071 |
| 155 | Cell metabolism | 2 | 216 | 1133 | 1137 |
| 157 | Host-parasite interactions | 1 | 214 | 2508 | 1649 |
| 157 | Virulence | 1 | 214 | 2272 | 1556 |
| 159 | Alternative Medicine | 1 | 211 | 3740 | 1289 |
| 159 | complementary therapies | 1 | 211 | 4104 | 1334 |
| 161 | Medical Laboratory Science | 14 | 208 | 1049 | 1847 |
| 161 | Antibodies | 14 | 208 | 279 | 555 |
| 163 | psychotherapy | 15 | 206 | 669 | 1094 |
| 164 | Digestive system diseases | 11 | 205 | 604 | 793 |
| 165 | Genomics | 6 | 204 | 3143 | 3157 |
| 166 | Analytical Biochemistry | 5 | 199 | 1695 | 1383 |
| 167 | Chemistry | 7 | 193 | 8402 | 9008 |
| 167 | nucleic acids | 4 | 193 | 1973 | 2031 |
| 169 | Geriatric Pharmacology | 5 | 191 | 265 | 218 |
| 169 | Elderly | 5 | 191 | 1225 | 504 |
| 171 | Bacteriology | 6 | 180 | 1773 | 2193 |
| 172 | pain management | 6 | 179 | 533 | 492 |
| 173 | Diet | 6 | 172 | 2004 | 2394 |
| 174 | Health Services Research | 5 | 171 | 1710 | 1409 |
| 175 | Neuroplasticity | 2 | 165 | 579 | 258 |
| 175 | neuronal plasticity | 2 | 165 | 484 | 233 |
| 177 | Surface Chemistry | 1 | 162 | 5852 | 3455 |
| 177 | Colloids | 1 | 162 | 5777 | 3580 |
| 177 | Women's health | 1 | 162 | 2927 | 1053 |
| 180 | Clinical Pharmacology | 5 | 160 | 1494 | 1395 |
| 180 | Cell death | 2 | 160 | 1784 | 1563 |
| 182 | Ophthalmology | 8 | 159 | 1445 | 1725 |
| 183 | Substance Abuse | 6 | 158 | 1280 | 1274 |
| 184 | alcoholism | 12 | 154 | 874 | 1455 |
| 185 | Embryology | 1 | 151 | 2887 | 1910 |
| 186 | Image Processing | 3 | 144 | 2380 | 1831 |
| 187 | calcification | 5 | 142 | 502 | 644 |
| 188 | Parasitic Diseases | 5 | 138 | 2119 | 2209 |
| 189 | Neuromuscular diseases | 9 | 135 | 426 | 731 |
| 189 | Muscles | 9 | 135 | 586 | 1098 |
| 191 | Travel | 3 | 133 | 1150 | 618 |
| 191 | Bone marrow | 1 | 133 | 25 | 2 |
| 193 | Hemostasis | 3 | 131 | 1096 | 791 |
| 194 | Health Education | 7 | 127 | 1538 | 1768 |
| 194 | Astrocytes | 3 | 127 | 586 | 771 |
| 196 | Nuclear Medicine | 5 | 125 | 1109 | 1115 |
| 196 | Health Policy | 3 | 125 | 3113 | 2454 |
| 198 | Health promotion | 8 | 123 | 1097 | 1578 |
| 199 | viruses | 2 | 122 | 2240 | 2126 |
| 200 | Genetic engineering | 5 | 120 | 2200 | 2695 |
| 200 | Molecular cloning | 5 | 120 | 1440 | 1587 |
| 200 | Genetic recombination | 5 | 120 | 1415 | 1567 |
| 200 | Recombinant DNA | 5 | 120 | 1527 | 1675 |
| 204 | Toxicology | 7 | 118 | 4226 | 5369 |
| 204 | Vision | 5 | 118 | 596 | 773 |
| 206 | Genetic epidemiology | 7 | 115 | 195 | 341 |
| 206 | heredity | 7 | 115 | 472 | 648 |
| 208 | carcinogens | 5 | 114 | 961 | 1373 |
| 208 | Transplantation | 5 | 114 | 1263 | 1639 |
| 208 | mutagens | 5 | 114 | 795 | 1272 |
| 211 | Pharmacogenetics | 2 | 111 | 1733 | 1427 |
| 212 | Cell communication | 4 | 109 | 830 | 1076 |
| 213 | drug addiction | 11 | 107 | 696 | 1426 |
| 214 | Carcinogenesis | 4 | 105 | 1137 | 1484 |
| 215 | Music | 2 | 104 | 1438 | 612 |
| 215 | voice | 2 | 104 | 757 | 453 |
| 215 | Synaptic Transmission | 7 | 104 | 344 | 637 |
| 218 | drugs | 8 | 103 | 1721 | 2555 |
| 219 | Occupational Therapy | 5 | 100 | 965 | 671 |
| 220 | Schizophrenia | 2 | 98 | 1604 | 1464 |
| 220 | Chromatography | 4 | 98 | 1779 | 1715 |
| 220 | Chromatographic analysis | 4 | 98 | 2063 | 1878 |
| 223 | Heart Failure | 2 | 96 | 680 | 705 |
| 224 | Neuroanatomy | 1 | 94 | 587 | 271 |
| 225 | Gerontology | 2 | 93 | 3018 | 1931 |
| 226 | Infertility | 3 | 92 | 1437 | 1517 |
| 226 | fertility | 3 | 92 | 1534 | 1607 |
| 228 | Oncogenes | 3 | 87 | 1494 | 2175 |
| 229 | Computer Vision | 2 | 86 | 1675 | 1566 |
| 230 | Infection control | 1 | 85 | 1626 | 929 |
| 230 | Hospitals | 1 | 85 | 1672 | 843 |
| 232 | Spectrum analysis | 3 | 84 | 5080 | 4850 |
| 232 | Menopause | 2 | 84 | 497 | 390 |
| 234 | Computer Science | 6 | 80 | 1824 | 1964 |
| 234 | cell interaction | 3 | 80 | 1517 | 1794 |
| 236 | General Surgery | 4 | 79 | 808 | 810 |
| 236 | Anxiety Disorders | 2 | 79 | 809 | 1002 |
| 236 | Anxiety | 2 | 79 | 811 | 1001 |
| 239 | Developmental Immunology | 2 | 77 | 1253 | 1163 |
| 240 | Medical Technology | 2 | 76 | 2990 | 2508 |
| 240 | Sexual health | 1 | 76 | 1644 | 826 |
| 242 | tomography | 5 | 75 | 354 | 437 |
| 243 | Marriage | 5 | 74 | 404 | 587 |
| 243 | Marriage counseling | 5 | 74 | 247 | 423 |
| 243 | Information Science | 1 | 74 | 4777 | 3048 |
| 246 | Speech Disorders | 3 | 73 | 1225 | 1253 |
| 246 | Inflammation | 2 | 73 | 1996 | 2080 |
| 248 | Emergency Medicine | 4 | 72 | 1848 | 1939 |
| 249 | Computational Biology | 2 | 71 | 4608 | 3922 |
| 249 | software | 1 | 71 | 2018 | 1439 |
| 251 | Nanotechnology | 1 | 70 | 7759 | 6264 |
| 251 | Microelectronics | 1 | 70 | 3117 | 2403 |
| 251 | miniaturization | 1 | 70 | 3353 | 2829 |
| 251 | Behavior | 5 | 70 | 3226 | 4914 |
| 255 | Dietetics | 1 | 69 | 1829 | 918 |
| 255 | Respiratory system | 1 | 69 | 1308 | 999 |
| 255 | counseling | 3 | 69 | 1646 | 1693 |
| 258 | paraphilias | 4 | 68 | 151 | 272 |
| 259 | Health insurance | 2 | 67 | 723 | 673 |
| 259 | Cardiac rehabilitation | 2 | 67 | 111 | 134 |
| 259 | eugenics | 3 | 67 | 754 | 828 |
| 262 | North America | 3 | 66 | 1151 | 1095 |
| 263 | Electrophoresis | 2 | 64 | 2490 | 2305 |
| 264 | Patient education | 2 | 63 | 998 | 1106 |
| 264 | Metastasis | 1 | 63 | 501 | 594 |
| 266 | Andrology | 3 | 60 | 840 | 966 |
| 266 | Developmental Genetics | 2 | 60 | 859 | 1195 |
| 268 | Mental Health Services | 7 | 59 | 1006 | 1796 |
| 269 | Environmental Health | 4 | 58 | 5920 | 8010 |
| 270 | Histology | 3 | 56 | 2392 | 2978 |
| 271 | Psycholinguistics | 1 | 55 | 1743 | 1373 |
| 271 | Neurolinguistics | 1 | 55 | 869 | 753 |
| 271 | epilepsy | 2 | 55 | 1566 | 1520 |
| 271 | Freeze-Drying | 1 | 55 | 1135 | 632 |
| 271 | Hypothermia | 1 | 55 | 1135 | 632 |
| 271 | Freeze Drying | 1 | 55 | 1135 | 632 |
| 271 | Speech | 1 | 55 | 1720 | 1321 |
| 271 | language | 1 | 55 | 1520 | 1091 |
| 279 | Polymers | 1 | 54 | 6973 | 5480 |
| 279 | Social support | 1 | 54 | 443 | 321 |
| 279 | Social environment | 1 | 54 | 524 | 371 |
| 279 | polymerization | 1 | 54 | 5972 | 4594 |
| 283 | Community Psychiatry | 6 | 52 | 857 | 1808 |
| 283 | Psychiatric hospitals | 6 | 52 | 265 | 494 |
| 285 | Radiation Oncology | 2 | 51 | 617 | 689 |
| 285 | Signal Transduction | 2 | 51 | 2091 | 2553 |
| 287 | Mathematics | 2 | 50 | 7785 | 5916 |
| 287 | Immunotherapy | 8 | 50 | 1466 | 3292 |
| 287 | Social work | 2 | 50 | 2209 | 1730 |
| 290 | Electrophysiology | 2 | 49 | 1790 | 1650 |
| 290 | Membranes | 3 | 49 | 2122 | 3013 |
| 290 | women | 1 | 49 | 1715 | 851 |
| 293 | Palliative Care | 4 | 48 | 1012 | 1357 |
| 294 | Antiviral agents | 3 | 47 | 440 | 664 |
| 294 | ethanol | 1 | 47 | 1128 | 876 |
| 296 | Otolaryngology | 2 | 45 | 962 | 996 |
| 296 | industrial hygiene | 2 | 45 | 1839 | 1371 |
| 296 | Qualitative Research | 2 | 45 | 712 | 699 |
| 296 | animals | 1 | 45 | 2555 | 1701 |
| 296 | Thorax | 1 | 45 | 1080 | 1086 |
| 301 | indoor air pollution | 1 | 44 | 901 | 770 |
| 301 | environmental exposure | 1 | 44 | 3904 | 3452 |
| 301 | Ventilation | 1 | 44 | 1187 | 888 |
| 301 | Parkinson's disease | 1 | 44 | 541 | 525 |
| 301 | Sick building syndrome | 1 | 44 | 901 | 770 |
| 306 | Nursing | 2 | 43 | 2903 | 2549 |
| 307 | Lung Transplantation | 2 | 42 | 1003 | 903 |
| 307 | Psychosomatic Medicine | 2 | 42 | 1323 | 1691 |
| 307 | Medical Ethics | 3 | 42 | 1461 | 1583 |
| 307 | Heart transplantation | 2 | 42 | 1003 | 903 |
| 311 | mutation | 2 | 41 | 997 | 1370 |
| 311 | Obesity | 3 | 41 | 2605 | 3858 |
| 311 | isomerism | 2 | 41 | 504 | 497 |
| 311 | Stem cells | 1 | 41 | 3034 | 2882 |
| 311 | Chromosomes | 2 | 41 | 1507 | 1893 |
| 311 | Familial diseases | 2 | 41 | 375 | 445 |
| 311 | Chirality | 2 | 41 | 504 | 497 |
| 318 | Economics | 1 | 40 | 6737 | 4733 |
| 318 | Occupational Health | 1 | 40 | 2586 | 1678 |
| 318 | Demography | 2 | 40 | 1065 | 1221 |
| 318 | Industrial Safety | 1 | 40 | 2552 | 1836 |
| 318 | Mental Health | 5 | 40 | 1590 | 2656 |
| 318 | Hemodynamics | 1 | 40 | 1251 | 1408 |
| 324 | biological factors | 3 | 39 | 2361 | 3167 |
| 325 | Public Policy | 2 | 38 | 2760 | 3211 |
| 325 | health planning | 2 | 38 | 3285 | 3379 |
| 327 | blood transfusion | 1 | 37 | 1741 | 1407 |
| 328 | Educational Technology | 2 | 36 | 2206 | 2328 |
| 328 | disease outbreaks | 2 | 36 | 876 | 1332 |
| 328 | Epidemics | 2 | 36 | 839 | 1311 |
| 328 | educational innovations | 2 | 36 | 738 | 827 |
| 332 | Pharmacognosy | 1 | 35 | 3365 | 3464 |
| 332 | Medicinal plants | 1 | 35 | 2807 | 2824 |
| 332 | Immune system | 3 | 35 | 1368 | 2310 |
| 335 | Audiology | 1 | 34 | 1535 | 1385 |
| 335 | Histocompatibility Testing | 2 | 34 | 979 | 1102 |
| 337 | Forensic Psychiatry | 1 | 33 | 1125 | 908 |
| 338 | Social Psychology | 4 | 31 | 2170 | 3625 |
| 339 | Cell adhesion | 1 | 30 | 393 | 485 |
| 340 | Systems Biology | 1 | 29 | 3266 | 3397 |
| 340 | Developmental Neurobiology | 3 | 29 | 682 | 1136 |
| 340 | cell adhesion molecules | 1 | 29 | 1182 | 1348 |
| 340 | cytokines | 1 | 29 | 2646 | 2849 |
| 344 | History of Medicine | 1 | 28 | 1072 | 407 |
| 344 | Primary health care | 3 | 28 | 2340 | 3565 |
| 346 | human behavior | 1 | 27 | 4734 | 5376 |
| 346 | Microscopy | 1 | 27 | 3363 | 2701 |
| 348 | Ethology | 2 | 26 | 2175 | 3207 |
| 349 | Electronics | 2 | 25 | 4892 | 4835 |
| 349 | Electrochemistry | 2 | 25 | 4831 | 5315 |
| 349 | Geriatric Oncology | 2 | 25 | 983 | 1541 |
| 352 | Artificial Organs | 4 | 24 | 759 | 1293 |
| 352 | disease vectors | 1 | 24 | 1965 | 2247 |
| 352 | Evolution | 1 | 24 | 3611 | 3889 |
| 352 | Zoonoses | 1 | 24 | 734 | 880 |
| 356 | Human Geography | 1 | 23 | 2098 | 1835 |
| 356 | Genetic disorders | 1 | 23 | 1100 | 1250 |
| 356 | scientific societies | 1 | 23 | 1818 | 1915 |
| 359 | Evidence-Based Medicine | 1 | 22 | 2746 | 2682 |
| 359 | Malaria | 1 | 22 | 1541 | 1798 |
| 361 | Education | 4 | 21 | 4294 | 5692 |
| 361 | Bioremediation | 1 | 21 | 1807 | 2097 |
| 361 | Biodegradation | 1 | 21 | 1561 | 1939 |
| 364 | Functional Genomics | 1 | 20 | 714 | 1061 |
| 364 | Preoperative Care | 1 | 20 | 250 | 241 |
| 364 | perioperative care | 1 | 20 | 250 | 240 |
| 364 | Technology | 2 | 20 | 6389 | 7405 |
| 364 | Molecular Spectroscopy | 1 | 20 | 3169 | 3451 |
| 364 | genome | 1 | 20 | 3273 | 3854 |
| 370 | Diagnosis | 1 | 19 | 1443 | 1522 |
| 370 | disease susceptibility | 1 | 19 | 860 | 1039 |
| 370 | biochemical markers | 1 | 19 | 1874 | 2106 |
| 370 | Gastrointestinal diseases | 1 | 19 | 1619 | 1735 |
| 370 | symptoms | 1 | 19 | 860 | 1039 |
| 375 | Speech-Language Pathology | 1 | 18 | 627 | 709 |
| 375 | Language Disorders | 1 | 18 | 1632 | 1709 |
| 375 | speech therapy | 1 | 18 | 829 | 883 |
| 375 | Ultrasonic Imaging | 1 | 18 | 1114 | 1306 |
| 379 | Cardiovascular diseases | 2 | 17 | 2533 | 3386 |
| 379 | behavior therapy | 2 | 17 | 1222 | 1876 |
| 379 | Europe | 2 | 17 | 5067 | 6068 |
| 382 | Adolescent Medicine | 2 | 16 | 1003 | 1889 |
| 382 | Biochemical Engineering | 1 | 16 | 5598 | 6841 |
| 382 | Materials | 2 | 16 | 7514 | 9105 |
| 382 | Social behavior | 1 | 16 | 2281 | 2620 |
| 382 | Population | 2 | 16 | 1625 | 2337 |
| 382 | Birth control | 1 | 16 | 1049 | 1403 |
| 388 | Music Therapy | 2 | 15 | 341 | 573 |
| 388 | Asthma | 1 | 15 | 1610 | 1870 |
| 388 | Art Therapy | 2 | 15 | 290 | 512 |
| 391 | Cross-Cultural Studies | 2 | 14 | 1009 | 1746 |
| 391 | cross-cultural comparison | 2 | 14 | 815 | 1449 |
| 391 | prostaglandins | 1 | 14 | 980 | 1297 |
| 394 | Bone diseases | 2 | 13 | 790 | 1522 |
| 395 | sleep-wake cycle | 2 | 12 | 199 | 333 |
| 396 | Pharmacy | 2 | 11 | 3269 | 5064 |
| 396 | health behavior | 1 | 11 | 2099 | 2829 |
| 396 | Research Design | 1 | 11 | 2751 | 3513 |
| 396 | Intellectual disability | 2 | 11 | 1305 | 2107 |
| 400 | Biochemical Genetics | 1 | 10 | 1084 | 1089 |
| 401 | Materials Science | 2 | 9 | 6327 | 8254 |
| 401 | Computational Chemistry | 1 | 9 | 1319 | 1741 |
| 401 | Pediatric Rheumatology | 1 | 9 | 580 | 771 |
| 401 | Child | 1 | 9 | 4987 | 5757 |
| 401 | Mutagenesis | 1 | 9 | 1092 | 1554 |
| 401 | Cell cycle | 1 | 9 | 729 | 1109 |
| 401 | cell proliferation | 1 | 9 | 806 | 1173 |
| 401 | Osteoporosis | 1 | 9 | 882 | 1366 |
| 401 | Consciousness | 1 | 9 | 977 | 1197 |
| 410 | Genetic Counseling | 1 | 7 | 723 | 1021 |
| 410 | Ecology | 2 | 7 | 8623 | 12746 |
| 410 | Molecular Imaging | 1 | 7 | 1378 | 1930 |
| 410 | Bioinformatics | 1 | 7 | 3992 | 5122 |
| 410 | Eating Disorders | 1 | 7 | 1688 | 2356 |
| 410 | Feeding and Eating Disorders | 1 | 7 | 1623 | 2268 |
| 410 | Optical materials | 1 | 7 | 4044 | 5263 |
| 410 | particles | 1 | 7 | 2000 | 2705 |
| 410 | anesthesia | 1 | 7 | 1338 | 1495 |
| 410 | primary prevention | 1 | 7 | 989 | 1656 |
| 410 | drug development | 1 | 7 | 2340 | 3497 |
| 410 | Culture techniques | 1 | 7 | 696 | 964 |
| 422 | Family Therapy | 1 | 6 | 1476 | 2029 |
| 422 | Echocardiography | 1 | 6 | 257 | 548 |
| 422 | Family | 1 | 6 | 1900 | 2678 |
| 422 | Cognition | 2 | 6 | 2383 | 4194 |
| 426 | Engineering | 1 | 5 | 8385 | 9760 |
| 426 | Analytical Chemistry | 1 | 5 | 7236 | 9036 |
| 426 | Animal Biotechnology | 1 | 5 | 407 | 711 |
| 426 | Geriatric Psychiatry | 1 | 5 | 2286 | 3297 |
| 426 | Child Development | 1 | 5 | 3730 | 5031 |
| 426 | Developmental Disabilities | 1 | 5 | 1939 | 2924 |
| 426 | Food | 1 | 5 | 5572 | 7475 |
| 433 | Laser therapy | 1 | 4 | 963 | 1400 |
| 433 | Metacognition | 1 | 4 | 156 | 298 |
| 433 | psychophysics | 1 | 4 | 665 | 948 |
| 433 | Mycology | 1 | 4 | 3021 | 4102 |
| 433 | X-rays | 1 | 4 | 1522 | 2005 |
| 433 | Learning | 1 | 4 | 2659 | 3763 |
| 433 | Dementia | 1 | 4 | 2714 | 2814 |
| 433 | biomedicine | 1 | 4 | 2045 | 3268 |
| 441 | Nephrology | 1 | 3 | 1247 | 1914 |
| 441 | Chronobiology | 1 | 3 | 941 | 1579 |
| 441 | biological clocks | 1 | 3 | 941 | 1579 |
| 441 | Amyloidosis | 1 | 3 | 340 | 650 |
| 441 | circadian rhythm | 1 | 3 | 941 | 1579 |
| 441 | periodicity | 1 | 3 | 84 | 152 |
| 441 | Kidney diseases | 1 | 3 | 2004 | 2960 |
| 441 | cycles | 1 | 3 | 357 | 629 |
| 449 | Mechanical Engineering | 1 | 2 | 4384 | 5605 |
| 449 | Environmental Engineering | 1 | 2 | 6929 | 9396 |
| 449 | Robotics | 1 | 2 | 3008 | 4253 |
| 449 | Mechatronics | 1 | 2 | 1462 | 2320 |
| 449 | Tribology | 1 | 2 | 2143 | 3088 |
| 449 | Environmental Policy | 1 | 2 | 6098 | 8642 |
| 449 | Environmental Law | 1 | 2 | 2310 | 3508 |
| 449 | Developmental Psychology | 1 | 2 | 1957 | 3059 |
| 449 | Production Engineering | 1 | 2 | 3518 | 4807 |
| 449 | Agricultural Biotechnology | 1 | 2 | 701 | 982 |
| 449 | environmental protection | 1 | 2 | 6467 | 8882 |
| 449 | Environmental monitoring | 1 | 2 | 6637 | 9308 |
| 449 | vibration | 1 | 2 | 2291 | 3262 |
| 449 | monoclonal antibodies | 2 | 2 | 344 | 961 |
| 449 | Retinal diseases | 1 | 2 | 190 | 260 |
| 449 | Androgens | 1 | 2 | 553 | 994 |
| 449 | Forest genetics | 1 | 2 | 707 | 1126 |
| 449 | sports injuries | 1 | 2 | 1212 | 1972 |
| 467 | Dentistry | 4 | 1 | 824 | 2291 |
| 467 | Drug design | 1 | 1 | 3440 | 5091 |
| 467 | Public opinion | 1 | 1 | 858 | 1560 |
| 467 | personality | 1 | 1 | 2506 | 3788 |
| 467 | disabilities | 1 | 1 | 1633 | 2684 |
| 467 | Liposomes | 1 | 1 | 1150 | 1979 |
| 467 | caffeine | 1 | 1 | 48 | 180 |
| 474 | Electrical Engineering | 1 | 0 | 5974 | 7681 |
| 474 | Geriatric Nursing | 1 | 0 | 1064 | 2040 |
| 474 | Optics | 1 | 0 | 7550 | 9526 |
| 474 | Photography | 1 | 0 | 3467 | 4429 |
| 474 | Psychoneuroimmunology | 1 | 0 | 1413 | 2220 |
| 474 | food technology | 1 | 0 | 4516 | 6538 |
| 474 | Psychoanalysis | 1 | 0 | 838 | 1308 |
| 474 | Neuroimmunology | 1 | 0 | 1541 | 2477 |
| 474 | Brachytherapy | 2 | 0 | 484 | 909 |
| 474 | psychoanalytic therapy | 1 | 0 | 252 | 436 |
| 474 | Asia | 1 | 0 | 5695 | 8308 |
| 474 | DNA polymerases | 1 | 0 | 1011 | 1794 |
| 474 | venom | 1 | 0 | 1861 | 2793 |
| 474 | Toxins | 1 | 0 | 2011 | 3010 |