| 1 | Psychiatry | 281 | 14.4K | 327 | 273 |
| 2 | Mental Disorders | 138 | 9.1K | 329 | 211 |
| 3 | Mental illness | 88 | 4.3K | 244 | 244 |
| 4 | Medicine | 80 | 4.3K | 2984 | 2156 |
| 5 | Psychopharmacology | 60 | 4.2K | 287 | 187 |
| 6 | Science | 59 | 4.1K | 3567 | 2917 |
| 7 | Neurology | 98 | 3.9K | 1280 | 1260 |
| 8 | Schizophrenia | 148 | 3.8K | 57 | 105 |
| 9 | Psychophysiology | 46 | 3.7K | 848 | 487 |
| 10 | Research | 57 | 2.4K | 2935 | 2189 |
| 11 | Public Health | 49 | 1.8K | 1627 | 1284 |
| 12 | Biology | 17 | 1.8K | 6320 | 4076 |
| 13 | Aging | 24 | 1.7K | 1219 | 541 |
| 14 | Epidemiology | 28 | 1.7K | 1521 | 840 |
| 15 | Physics | 5 | 1.5K | 9468 | 4565 |
| 16 | Geriatrics | 18 | 1.5K | 1500 | 562 |
| 17 | Molecular Biology | 28 | 1.5K | 4011 | 3183 |
| 18 | Natural history | 1 | 1.5K | 7654 | 2967 |
| 19 | Psychology | 45 | 1.4K | 1425 | 1215 |
| 20 | Behavior | 22 | 1.2K | 1327 | 1039 |
| 21 | human behavior | 19 | 1.1K | 1006 | 859 |
| 22 | Neurophysiology | 19 | 820 | 1493 | 1397 |
| 23 | Animal Behavior | 13 | 818 | 1047 | 751 |
| 23 | Ethology | 13 | 818 | 806 | 642 |
| 25 | Developmental Biology | 3 | 790 | 2525 | 1007 |
| 26 | Community Psychiatry | 16 | 749 | 385 | 277 |
| 27 | Geriatric Psychiatry | 23 | 742 | 315 | 261 |
| 28 | Clinical Psychology | 18 | 712 | 618 | 652 |
| 29 | brain mapping | 10 | 681 | 379 | 271 |
| 30 | Gerontology | 13 | 673 | 1063 | 498 |
| 31 | drug addiction | 8 | 656 | 778 | 429 |
| 31 | alcoholism | 8 | 656 | 1045 | 524 |
| 33 | Psychiatric Epidemiology | 10 | 640 | 228 | 141 |
| 34 | Neurochemistry | 23 | 621 | 1054 | 1204 |
| 35 | Neuropharmacology | 16 | 588 | 154 | 129 |
| 36 | Alzheimer's disease | 6 | 579 | 1333 | 425 |
| 37 | Child psychology | 5 | 549 | 1350 | 741 |
| 38 | Immunology | 10 | 525 | 2907 | 2386 |
| 38 | Inflammation | 10 | 525 | 715 | 486 |
| 40 | Virology | 4 | 511 | 3454 | 2365 |
| 41 | Dementia | 5 | 506 | 1424 | 423 |
| 42 | Health Policy | 27 | 499 | 769 | 878 |
| 43 | Cytology | 3 | 472 | 5171 | 2979 |
| 44 | Cell Biology | 2 | 466 | 5665 | 3006 |
| 45 | Substance Abuse | 16 | 432 | 639 | 571 |
| 46 | Biochemistry | 14 | 415 | 6076 | 5656 |
| 47 | Diet | 6 | 403 | 2022 | 1405 |
| 48 | Physical fitness | 4 | 383 | 1094 | 427 |
| 49 | Mental Health | 17 | 357 | 674 | 627 |
| 50 | Neuropsychiatry | 16 | 354 | 359 | 469 |
| 51 | Pharmacology | 16 | 318 | 3304 | 3747 |
| 52 | Neuropsychology | 10 | 315 | 1523 | 1382 |
| 53 | Learning | 4 | 311 | 1353 | 722 |
| 53 | psychotherapy | 4 | 311 | 1369 | 744 |
| 55 | Brain | 8 | 292 | 2052 | 1911 |
| 56 | Cerebral cortex | 7 | 289 | 720 | 696 |
| 57 | Nutrition | 9 | 288 | 3478 | 3113 |
| 58 | Neurons | 2 | 254 | 940 | 1059 |
| 59 | Drug design | 3 | 252 | 2226 | 1111 |
| 60 | United States | 7 | 227 | 4701 | 3337 |
| 61 | Mental Health Services | 7 | 224 | 957 | 667 |
| 62 | Cell differentiation | 2 | 214 | 2515 | 1778 |
| 63 | Bipolar Disorder | 8 | 209 | 222 | 302 |
| 64 | Medical genetics | 7 | 198 | 2458 | 2862 |
| 65 | Long-Term Care | 4 | 196 | 509 | 438 |
| 65 | Child | 6 | 196 | 2316 | 1684 |
| 65 | Long-term care facilities | 4 | 196 | 506 | 438 |
| 68 | Gene expression regulation | 1 | 187 | 2095 | 904 |
| 68 | DNA methylation | 1 | 187 | 694 | 225 |
| 70 | Sleep Disorders | 2 | 186 | 2514 | 1213 |
| 70 | Sleep | 2 | 186 | 2533 | 1218 |
| 72 | Cognitive Therapy | 9 | 183 | 351 | 390 |
| 73 | drugs | 5 | 182 | 2216 | 1687 |
| 74 | drug therapy | 6 | 179 | 2186 | 2030 |
| 75 | Women's health | 6 | 171 | 1069 | 836 |
| 76 | Diagnostic Imaging | 7 | 159 | 1775 | 1609 |
| 76 | Emotions | 6 | 159 | 424 | 560 |
| 78 | Developmental Disabilities | 5 | 154 | 895 | 922 |
| 79 | Child Development | 5 | 152 | 1865 | 1725 |
| 80 | Biophysics | 8 | 150 | 4911 | 5118 |
| 80 | Neuroimmunology | 7 | 150 | 506 | 780 |
| 82 | Cancer | 4 | 147 | 4070 | 3741 |
| 83 | Environmental Health | 5 | 144 | 5484 | 5397 |
| 84 | Psychoneuroimmunology | 6 | 141 | 497 | 750 |
| 85 | Toxicology | 7 | 138 | 4187 | 4734 |
| 86 | arthritis | 2 | 132 | 1856 | 1560 |
| 87 | Europe | 3 | 130 | 4227 | 2430 |
| 88 | Obesity | 7 | 129 | 1667 | 2256 |
| 89 | Neurotoxicology | 4 | 116 | 556 | 599 |
| 89 | Apoptosis | 4 | 116 | 211 | 236 |
| 89 | neurotoxins | 4 | 116 | 211 | 236 |
| 89 | Neurotoxic agents | 4 | 116 | 211 | 236 |
| 89 | Nerve regeneration | 4 | 116 | 211 | 236 |
| 94 | Ecology | 2 | 114 | 8616 | 7171 |
| 94 | Environmental Engineering | 2 | 114 | 5742 | 4027 |
| 94 | Environmental Policy | 2 | 114 | 4830 | 3770 |
| 94 | Environmental Law | 2 | 114 | 1667 | 1573 |
| 94 | environmental protection | 2 | 114 | 5228 | 3684 |
| 94 | Environmental monitoring | 2 | 114 | 5478 | 4359 |
| 94 | Environment | 2 | 114 | 7282 | 6658 |
| 101 | Quality of life | 4 | 113 | 1628 | 1661 |
| 102 | Eating Disorders | 8 | 111 | 573 | 844 |
| 102 | Feeding and Eating Disorders | 8 | 111 | 553 | 813 |
| 104 | Pharmacogenetics | 3 | 110 | 1363 | 1243 |
| 104 | Genomics | 3 | 110 | 4231 | 3596 |
| 104 | Pharmacogenomics | 3 | 110 | 360 | 342 |
| 107 | Chemistry | 9 | 109 | 7811 | 9714 |
| 108 | Chemotherapy | 2 | 106 | 2315 | 1607 |
| 108 | Public opinion | 4 | 106 | 387 | 389 |
| 110 | Dermatology | 1 | 105 | 3307 | 1712 |
| 111 | Signal Transduction | 3 | 104 | 1800 | 1769 |
| 112 | Pathology | 1 | 98 | 4491 | 2905 |
| 113 | Depression | 4 | 96 | 317 | 592 |
| 113 | Anxiety Disorders | 4 | 96 | 494 | 803 |
| 113 | Anxiety | 4 | 96 | 496 | 803 |
| 113 | Technology | 2 | 96 | 6463 | 4071 |
| 117 | Health Education | 1 | 91 | 4019 | 1871 |
| 117 | Health promotion | 1 | 91 | 3136 | 1594 |
| 117 | sex differences | 3 | 91 | 132 | 145 |
| 120 | Rheumatology | 1 | 90 | 2406 | 1513 |
| 121 | Neurobiology | 4 | 86 | 1905 | 2407 |
| 121 | behavior therapy | 4 | 86 | 815 | 903 |
| 123 | Enteral nutrition | 4 | 83 | 974 | 1205 |
| 123 | Parenteral nutrition | 4 | 83 | 1184 | 1435 |
| 125 | Pharmaceutical Chemistry | 6 | 82 | 3651 | 4588 |
| 126 | Metabolism | 4 | 79 | 3137 | 3903 |
| 127 | Computer Vision | 3 | 78 | 1388 | 1492 |
| 127 | Image Processing | 3 | 78 | 2459 | 2236 |
| 127 | Antioxidants | 1 | 78 | 1539 | 1300 |
| 127 | Smoking | 3 | 78 | 867 | 971 |
| 127 | pain | 6 | 78 | 1211 | 1803 |
| 127 | Oxidation-reduction | 1 | 78 | 1549 | 1376 |
| 133 | preventive medicine | 2 | 75 | 2078 | 1810 |
| 134 | Global Health | 2 | 74 | 1809 | 945 |
| 134 | Psychosomatic Medicine | 6 | 74 | 665 | 1182 |
| 134 | Globalization | 2 | 74 | 821 | 570 |
| 134 | Australia | 5 | 74 | 1811 | 1821 |
| 134 | international cooperation | 2 | 74 | 899 | 704 |
| 139 | Clinical Chemistry | 5 | 66 | 3034 | 4024 |
| 140 | Adolescent Psychology | 1 | 64 | 1718 | 1028 |
| 140 | Adolescent | 3 | 64 | 2770 | 2480 |
| 140 | children | 1 | 64 | 1114 | 661 |
| 143 | Hypertension | 1 | 63 | 3012 | 2652 |
| 143 | Cardiovascular system | 1 | 63 | 2914 | 2666 |
| 145 | drug evaluation | 2 | 62 | 2112 | 1775 |
| 146 | older people | 9 | 60 | 1073 | 1500 |
| 147 | Public Policy | 3 | 59 | 2215 | 2386 |
| 147 | Sexual health | 3 | 59 | 905 | 821 |
| 147 | Personality Disorders | 3 | 59 | 313 | 399 |
| 150 | Sociology | 3 | 56 | 3847 | 3547 |
| 150 | Sports Medicine | 2 | 56 | 3717 | 2658 |
| 150 | Cross-Cultural Studies | 4 | 56 | 638 | 802 |
| 150 | Sports | 2 | 56 | 2889 | 2043 |
| 150 | Asia | 4 | 56 | 3170 | 2796 |
| 150 | cross-cultural comparison | 4 | 56 | 497 | 595 |
| 156 | Medical Anthropology | 2 | 53 | 1920 | 2232 |
| 157 | health services accessibility | 1 | 52 | 2087 | 1151 |
| 157 | disabilities | 2 | 52 | 1171 | 1020 |
| 157 | rehabilitation | 2 | 52 | 3356 | 2989 |
| 160 | Elderly | 6 | 51 | 1035 | 1032 |
| 161 | Primary health care | 2 | 50 | 2868 | 2382 |
| 162 | Neurotransmitters | 2 | 49 | 825 | 645 |
| 163 | medical education | 2 | 46 | 3101 | 2420 |
| 164 | Endocrinology | 2 | 45 | 4477 | 4793 |
| 164 | Nervous system | 2 | 45 | 3644 | 4015 |
| 166 | Clinical Pharmacology | 3 | 44 | 1909 | 2306 |
| 167 | Neuroendocrinology | 1 | 42 | 338 | 411 |
| 168 | Genetic engineering | 1 | 41 | 4173 | 3644 |
| 168 | Neurosurgery | 2 | 41 | 1756 | 1822 |
| 168 | Molecular cloning | 1 | 41 | 2894 | 2333 |
| 168 | Genetic recombination | 1 | 41 | 2840 | 2306 |
| 168 | Recombinant DNA | 1 | 41 | 3027 | 2445 |
| 173 | Computational Biology | 1 | 40 | 5704 | 4333 |
| 174 | pain management | 2 | 36 | 1081 | 1101 |
| 175 | Randomized Controlled Trials | 1 | 35 | 2500 | 1720 |
| 176 | Multiple sclerosis | 1 | 34 | 1296 | 759 |
| 177 | Crisis Intervention | 4 | 32 | 137 | 326 |
| 177 | Suicide | 4 | 32 | 522 | 976 |
| 179 | Pharmacy | 2 | 30 | 3208 | 3684 |
| 179 | Medical Physics | 1 | 30 | 3024 | 2540 |
| 179 | Nutrition physiology | 1 | 30 | 1612 | 1473 |
| 182 | Pediatric Neurology | 1 | 28 | 1998 | 2445 |
| 182 | viruses | 1 | 28 | 2752 | 3087 |
| 182 | child abuse | 2 | 28 | 1187 | 1606 |
| 185 | Anatomy | 1 | 27 | 3692 | 3295 |
| 185 | Embryology | 1 | 27 | 2783 | 2901 |
| 185 | Growth | 1 | 27 | 2155 | 2426 |
| 188 | Linguistics | 1 | 24 | 2874 | 1738 |
| 188 | Psycholinguistics | 1 | 24 | 1716 | 1637 |
| 188 | Neurolinguistics | 1 | 24 | 836 | 919 |
| 188 | cell interaction | 1 | 24 | 2311 | 2442 |
| 192 | Molecular evolution | 2 | 22 | 2309 | 3242 |
| 192 | Educational measurement | 1 | 22 | 375 | 305 |
| 192 | biological evolution | 2 | 22 | 3032 | 4186 |
| 195 | Physiology | 1 | 21 | 7133 | 7261 |
| 195 | Developmental Neurobiology | 2 | 21 | 877 | 1178 |
| 197 | scientific societies | 1 | 20 | 1759 | 1805 |
| 198 | Artificial Intelligence | 2 | 19 | 5270 | 5851 |
| 198 | Neural circuitry | 1 | 19 | 3555 | 3740 |
| 198 | Fluorescence spectroscopy | 1 | 19 | 600 | 658 |
| 198 | Molecular Spectroscopy | 1 | 19 | 3217 | 3335 |
| 198 | Autism | 2 | 19 | 1010 | 1598 |
| 203 | Molecular Pharmacology | 1 | 18 | 1578 | 1965 |
| 203 | personality | 3 | 18 | 1568 | 2671 |
| 203 | Attention | 3 | 18 | 2342 | 3883 |
| 206 | Genetics | 1 | 17 | 6921 | 7340 |
| 206 | Synaptic Transmission | 2 | 17 | 755 | 1266 |
| 208 | Forensic Psychology | 1 | 16 | 802 | 795 |
| 208 | Forensic Psychiatry | 1 | 16 | 1075 | 1070 |
| 208 | Happiness | 2 | 16 | 644 | 1096 |
| 208 | Infertility | 1 | 16 | 1979 | 2268 |
| 208 | fertility | 1 | 16 | 2080 | 2381 |
| 208 | Cognition | 3 | 16 | 1960 | 3208 |
| 214 | Nursing | 1 | 14 | 3870 | 3407 |
| 214 | Surface Chemistry | 1 | 14 | 5946 | 6446 |
| 214 | Psychiatric Nursing | 2 | 14 | 995 | 1448 |
| 214 | Colloids | 1 | 14 | 5866 | 6576 |
| 214 | Personality Assessment | 1 | 14 | 995 | 1254 |
| 219 | epilepsy | 1 | 13 | 1962 | 2293 |
| 220 | Analytical Chemistry | 2 | 12 | 6026 | 7862 |
| 220 | Diabetes | 1 | 12 | 4147 | 4885 |
| 222 | Health Services Research | 2 | 10 | 2822 | 4129 |
| 222 | Developmental Psychology | 1 | 10 | 1904 | 2288 |
| 222 | sanitation | 1 | 10 | 2882 | 3831 |
| 222 | Spain | 1 | 10 | 1657 | 1018 |
| 226 | Immunopharmacology | 1 | 9 | 2149 | 2691 |
| 227 | Biotechnology | 1 | 8 | 10188 | 11743 |
| 228 | Nuclear Medicine | 1 | 7 | 2067 | 2359 |
| 228 | Critical Care | 2 | 7 | 2508 | 4111 |
| 228 | Critical Care Medicine | 2 | 7 | 2279 | 3678 |
| 228 | Radiobiology | 1 | 7 | 3097 | 3545 |
| 228 | Radioisotopes | 1 | 7 | 2448 | 2767 |
| 228 | feeding behavior | 1 | 7 | 1483 | 2097 |
| 228 | drug control | 2 | 7 | 550 | 1132 |
| 235 | Neuroimaging | 3 | 6 | 347 | 879 |
| 235 | occupational diseases | 1 | 6 | 2046 | 2956 |
| 235 | Cognitive neuroscience | 1 | 6 | 1693 | 2276 |
| 235 | environmental exposure | 1 | 6 | 3911 | 5207 |
| 235 | mental processes | 3 | 6 | 405 | 905 |
| 235 | violence | 2 | 6 | 1345 | 2468 |
| 241 | Geriatric Pharmacology | 1 | 5 | 710 | 1129 |
| 241 | Amyotrophic Lateral Sclerosis | 1 | 5 | 579 | 885 |
| 241 | Frontotemporal lobar degeneration | 1 | 5 | 461 | 701 |
| 241 | Post-traumatic stress disorder | 2 | 5 | 1119 | 2114 |
| 245 | behavioral medicine | 1 | 4 | 2750 | 4106 |
| 245 | Electrocardiography | 1 | 4 | 919 | 1105 |
| 245 | Behavioral research | 1 | 4 | 1168 | 1504 |
| 245 | Positive Psychology | 1 | 4 | 350 | 684 |
| 245 | Electrophysiology | 1 | 4 | 2250 | 2872 |
| 245 | drug development | 1 | 4 | 2308 | 3445 |
| 245 | Consciousness | 1 | 4 | 947 | 1260 |
| 252 | Social Sciences | 2 | 3 | 5703 | 7895 |
| 252 | Political Science | 1 | 3 | 3297 | 3392 |
| 252 | Obstetrics | 1 | 3 | 4694 | 5973 |
| 252 | Cytogenetics | 1 | 3 | 3015 | 4275 |
| 252 | health behavior | 1 | 3 | 2046 | 3086 |
| 252 | Disease management | 2 | 3 | 182 | 516 |
| 252 | Metabolic diseases | 1 | 3 | 4463 | 5905 |
| 252 | Stem cells | 1 | 3 | 2958 | 4018 |
| 252 | Reproduction | 1 | 3 | 4299 | 5641 |
| 252 | Parkinson's disease | 1 | 3 | 605 | 893 |
| 252 | crime victims | 1 | 3 | 357 | 628 |
| 252 | Aggression | 1 | 3 | 919 | 1561 |
| 252 | sex crimes | 1 | 3 | 1191 | 1870 |
| 252 | Exercise | 1 | 3 | 2602 | 3165 |
| 252 | sports injuries | 1 | 3 | 1210 | 1679 |
| 267 | Magnetic Resonance Imaging | 1 | 2 | 1175 | 1748 |
| 267 | Criminal psychology | 1 | 2 | 1346 | 1926 |
| 267 | Neuroanatomy | 1 | 2 | 586 | 1008 |
| 267 | correctional psychology | 1 | 2 | 442 | 730 |
| 267 | Heart Failure | 1 | 2 | 851 | 1298 |
| 267 | Vocational guidance | 1 | 2 | 1618 | 2453 |
| 267 | Argentina | 1 | 2 | 447 | 417 |
| 267 | Thorax | 1 | 2 | 988 | 1608 |
| 275 | Gender Studies | 1 | 1 | 973 | 1635 |
| 275 | Queer Studies | 1 | 1 | 601 | 1134 |
| 275 | Biocompatible Materials | 1 | 1 | 6111 | 8052 |
| 275 | Bioorganic chemistry | 1 | 1 | 4591 | 6004 |
| 275 | pollutants | 1 | 1 | 3580 | 5115 |
| 275 | Environmental pollutants | 1 | 1 | 4206 | 5863 |
| 275 | biological factors | 1 | 1 | 3656 | 5332 |
| 275 | homosexuality | 1 | 1 | 831 | 1465 |
| 275 | Student Health Services | 1 | 1 | 555 | 1029 |
| 284 | Education | 1 | 0 | 7409 | 9825 |
| 284 | Pediatrics | 1 | 0 | 5084 | 7141 |
| 284 | Asthma | 1 | 0 | 1555 | 2575 |
| 284 | Adolescent Medicine | 1 | 0 | 1373 | 2359 |
| 284 | ethnicity | 1 | 0 | 1458 | 2351 |
| 284 | health and race | 1 | 0 | 518 | 1083 |
| 284 | adolescence | 1 | 0 | 1789 | 2927 |
| 284 | Health | 1 | 0 | 4833 | 7322 |
| 284 | ethnic groups | 1 | 0 | 673 | 1319 |
| 284 | Stress | 1 | 0 | 631 | 1282 |
