| 1 | Medicine | 91 | 5.6K | 2809 | 2144 |
| 2 | Nutrition | 91 | 5.0K | 760 | 573 |
| 3 | Metabolism | 67 | 4.5K | 725 | 604 |
| 4 | Science | 65 | 3.5K | 3428 | 3668 |
| 5 | Enteral nutrition | 39 | 3.3K | 110 | 101 |
| 5 | Parenteral nutrition | 39 | 3.3K | 191 | 128 |
| 7 | Medical genetics | 50 | 3.2K | 968 | 885 |
| 8 | Human genetics | 19 | 2.8K | 1251 | 1412 |
| 9 | Research | 62 | 2.6K | 2824 | 2393 |
| 10 | Molecular Biology | 36 | 2.2K | 3582 | 3059 |
| 11 | Metabolic diseases | 50 | 1.9K | 692 | 924 |
| 12 | Environmental Health | 25 | 1.9K | 2398 | 1587 |
| 13 | Biology | 23 | 1.6K | 5514 | 4850 |
| 14 | Biochemistry | 43 | 1.6K | 3816 | 3581 |
| 15 | Hematology | 51 | 1.5K | 1341 | 1217 |
| 16 | Public Health | 27 | 1.5K | 2524 | 1769 |
| 17 | Genetics | 12 | 1.4K | 2789 | 1810 |
| 18 | nucleic acids | 3 | 1.3K | 2233 | 863 |
| 19 | Epidemiology | 24 | 1.3K | 1724 | 1242 |
| 20 | Immunology | 29 | 1.2K | 1741 | 1827 |
| 21 | Diet | 30 | 1.1K | 744 | 818 |
| 22 | Physics | 9 | 1.1K | 7765 | 5731 |
| 23 | Immunity | 9 | 1.1K | 1471 | 1260 |
| 24 | Environment | 10 | 1.0K | 3650 | 2783 |
| 25 | Genetic disorders | 20 | 903 | 180 | 144 |
| 25 | Health | 20 | 903 | 958 | 683 |
| 25 | scientific societies | 20 | 903 | 242 | 176 |
| 28 | Critical Care | 15 | 886 | 940 | 969 |
| 28 | Critical Care Medicine | 15 | 886 | 921 | 963 |
| 30 | Adolescent | 12 | 867 | 1302 | 605 |
| 31 | Ecology | 7 | 864 | 5529 | 3484 |
| 32 | United States | 6 | 829 | 5125 | 1825 |
| 33 | Obesity | 22 | 779 | 899 | 1013 |
| 34 | Natural history | 2 | 766 | 6282 | 4367 |
| 35 | Allergy | 14 | 755 | 735 | 915 |
| 36 | adolescence | 1 | 740 | 1815 | 320 |
| 36 | Youth | 1 | 740 | 1316 | 199 |
| 38 | Immunopathology | 31 | 674 | 420 | 618 |
| 39 | Clinical Biochemistry | 17 | 671 | 582 | 443 |
| 40 | Immune system | 4 | 621 | 1174 | 927 |
| 41 | Immunotherapy | 3 | 613 | 2412 | 1152 |
| 42 | Environmental Engineering | 5 | 608 | 3793 | 1925 |
| 42 | Environmental Policy | 5 | 608 | 3133 | 1834 |
| 42 | Environmental Law | 5 | 608 | 1034 | 699 |
| 42 | environmental protection | 5 | 608 | 3466 | 1636 |
| 42 | Environmental monitoring | 5 | 608 | 3808 | 2097 |
| 47 | Clinical Chemistry | 12 | 555 | 2008 | 1700 |
| 48 | Medical innovations | 1 | 518 | 2251 | 956 |
| 48 | drug development | 1 | 518 | 2340 | 879 |
| 50 | Child | 28 | 504 | 909 | 1111 |
| 51 | Neurology | 10 | 487 | 4158 | 3656 |
| 52 | Cancer | 7 | 444 | 3310 | 2685 |
| 53 | Lipids | 10 | 439 | 821 | 857 |
| 54 | Chemistry | 14 | 411 | 6590 | 6970 |
| 55 | Pediatrics | 13 | 410 | 1678 | 1934 |
| 56 | Pharmacology | 15 | 401 | 3449 | 3705 |
| 57 | Cytogenetics | 5 | 391 | 1637 | 1356 |
| 58 | rare diseases | 13 | 388 | 286 | 340 |
| 59 | Liver diseases | 9 | 384 | 1147 | 1357 |
| 60 | Visual Perception | 2 | 381 | 2888 | 1080 |
| 60 | Memory | 2 | 381 | 3035 | 1248 |
| 60 | Attention | 2 | 381 | 2993 | 1119 |
| 60 | Perception | 2 | 381 | 3111 | 1229 |
| 64 | Surgery | 3 | 360 | 2733 | 1831 |
| 64 | Microbiology | 10 | 360 | 5063 | 5274 |
| 66 | Respiration | 7 | 359 | 1313 | 1043 |
| 67 | Respiratory system | 6 | 356 | 510 | 333 |
| 68 | Pharmaceutical Chemistry | 8 | 342 | 3249 | 2881 |
| 69 | disease outbreaks | 7 | 330 | 377 | 346 |
| 69 | Epidemics | 7 | 330 | 358 | 343 |
| 71 | Cytology | 7 | 313 | 3875 | 3908 |
| 72 | Environmental Toxicology | 3 | 290 | 3012 | 1990 |
| 73 | Cell Biology | 4 | 269 | 4581 | 4106 |
| 74 | hygiene | 6 | 267 | 362 | 237 |
| 75 | Analytical Chemistry | 4 | 257 | 4813 | 3372 |
| 76 | Microbial Ecology | 2 | 256 | 3325 | 2336 |
| 77 | Rheumatology | 9 | 251 | 909 | 1127 |
| 78 | Diagnostic Imaging | 2 | 250 | 3233 | 1470 |
| 79 | Computer Vision | 1 | 247 | 2201 | 961 |
| 79 | Image Processing | 1 | 247 | 3646 | 1382 |
| 81 | infection | 14 | 241 | 912 | 1501 |
| 82 | Child Development | 6 | 237 | 1726 | 1574 |
| 83 | Pediatric Rheumatology | 7 | 235 | 155 | 86 |
| 83 | Electrophoresis | 6 | 235 | 1453 | 1179 |
| 83 | Chromatography | 6 | 235 | 1400 | 983 |
| 83 | Chromatographic analysis | 6 | 235 | 1633 | 1087 |
| 87 | transport vesicles | 1 | 226 | 573 | 484 |
| 88 | Biotechnology | 5 | 223 | 6192 | 5650 |
| 89 | Infections | 13 | 214 | 619 | 1326 |
| 90 | Spectrum analysis | 4 | 213 | 4583 | 3449 |
| 91 | Genomics | 5 | 209 | 3404 | 3134 |
| 92 | Clinical Immunology | 14 | 203 | 701 | 1149 |
| 93 | Endocrinology | 5 | 197 | 3256 | 3279 |
| 94 | Food | 5 | 194 | 3097 | 2756 |
| 95 | Bioengineering | 2 | 181 | 6239 | 4556 |
| 95 | Biochemical Engineering | 2 | 181 | 4549 | 3958 |
| 97 | breastfeeding | 6 | 175 | 376 | 352 |
| 98 | Genetic therapy | 3 | 171 | 1625 | 1426 |
| 99 | Leukemia | 6 | 169 | 1209 | 1287 |
| 100 | Neonatology | 4 | 166 | 682 | 470 |
| 101 | Biocompatible Materials | 3 | 159 | 4376 | 4115 |
| 101 | Proteome | 4 | 159 | 1341 | 1406 |
| 101 | Cell death | 1 | 159 | 2231 | 1567 |
| 104 | Virology | 1 | 156 | 5604 | 3980 |
| 105 | Psychoneuroimmunology | 1 | 144 | 1413 | 894 |
| 105 | Neuroimmunology | 1 | 144 | 1541 | 971 |
| 107 | Nutrition physiology | 4 | 143 | 789 | 795 |
| 108 | Inflammation | 3 | 136 | 1626 | 1574 |
| 109 | Biophysics | 8 | 125 | 4957 | 5976 |
| 110 | Health Policy | 3 | 124 | 3113 | 2465 |
| 111 | gene therapy | 2 | 123 | 1802 | 1536 |
| 112 | Analytical Biochemistry | 1 | 117 | 3430 | 1854 |
| 113 | gene transfer | 1 | 113 | 670 | 295 |
| 113 | genetic transformation | 1 | 113 | 670 | 295 |
| 115 | pain | 4 | 111 | 1583 | 1772 |
| 115 | Thorax | 2 | 111 | 791 | 697 |
| 117 | health services accessibility | 2 | 110 | 1527 | 920 |
| 118 | Public Policy | 1 | 109 | 3661 | 1973 |
| 119 | Oncology | 3 | 106 | 2921 | 3476 |
| 119 | environmental pollution | 3 | 106 | 5270 | 5393 |
| 119 | Pollution | 3 | 106 | 6326 | 6547 |
| 122 | Homeostasis | 1 | 103 | 1016 | 1348 |
| 122 | Cell metabolism | 1 | 103 | 1526 | 1479 |
| 124 | Health promotion | 4 | 102 | 1698 | 1775 |
| 125 | proteins | 4 | 98 | 2402 | 2543 |
| 126 | Reproduction | 1 | 94 | 4386 | 2771 |
| 127 | Physical fitness | 4 | 87 | 1101 | 1258 |
| 128 | Child welfare | 4 | 79 | 1154 | 1246 |
| 129 | Pediatric Endocrinology | 8 | 78 | 162 | 254 |
| 129 | Metabolic disorders in children | 8 | 78 | 122 | 194 |
| 131 | Nutritional support | 1 | 73 | 411 | 341 |
| 132 | Child psychology | 1 | 69 | 2906 | 2219 |
| 132 | Growth | 1 | 69 | 2248 | 2127 |
| 134 | Information Technology | 2 | 65 | 3763 | 2645 |
| 134 | Proteomics | 1 | 65 | 2341 | 1991 |
| 134 | Educational Technology | 2 | 65 | 2206 | 1765 |
| 137 | Maternal health services | 2 | 58 | 695 | 696 |
| 137 | Women's health | 2 | 58 | 2158 | 1956 |
| 139 | Genetic Toxicology | 1 | 56 | 1075 | 1014 |
| 139 | mutation | 1 | 56 | 1324 | 1195 |
| 141 | Pediatric Neurology | 1 | 55 | 2087 | 2303 |
| 141 | Nervous system | 1 | 55 | 4627 | 4103 |
| 143 | Chromosome mapping | 2 | 53 | 2915 | 3447 |
| 143 | gene mapping | 2 | 53 | 3173 | 3795 |
| 145 | Pediatric Hematology | 6 | 51 | 322 | 440 |
| 145 | Diabetes mellitus | 1 | 51 | 4124 | 3830 |
| 145 | Diabetes | 1 | 51 | 4209 | 3881 |
| 148 | Sports Medicine | 4 | 49 | 2869 | 3177 |
| 148 | Cardiovascular diseases | 3 | 49 | 2132 | 2396 |
| 148 | Therapeutics | 2 | 49 | 2852 | 3312 |
| 151 | Pharmacogenetics | 1 | 48 | 2265 | 2117 |
| 152 | Sports | 2 | 47 | 2952 | 2492 |
| 153 | Lipid metabolism | 3 | 46 | 521 | 984 |
| 153 | Lipid | 3 | 46 | 522 | 987 |
| 155 | Histology | 2 | 45 | 2797 | 3216 |
| 156 | Hemophilia | 5 | 44 | 470 | 746 |
| 156 | Multiple sclerosis | 2 | 44 | 989 | 805 |
| 158 | Organ transplantation | 2 | 42 | 662 | 560 |
| 159 | Health Education | 4 | 41 | 2133 | 3148 |
| 160 | Medical Microbiology | 3 | 40 | 3039 | 4580 |
| 160 | Host-parasite interactions | 4 | 40 | 1395 | 2907 |
| 162 | mycoses | 3 | 39 | 1098 | 1921 |
| 162 | Bacterial infections | 3 | 39 | 1164 | 2071 |
| 164 | cell adhesion molecules | 1 | 37 | 1182 | 1230 |
| 164 | cytokines | 1 | 37 | 2646 | 2668 |
| 164 | cell interaction | 1 | 37 | 2344 | 2374 |
| 164 | sex differences | 1 | 37 | 353 | 378 |
| 164 | Cell communication | 1 | 37 | 1724 | 1744 |
| 169 | Computational Biology | 2 | 36 | 4608 | 4981 |
| 169 | Sleep Disorders | 5 | 36 | 1744 | 2724 |
| 169 | Bioinformatics | 2 | 36 | 3141 | 3650 |
| 169 | Sleep | 5 | 36 | 1741 | 2743 |
| 173 | Infection control | 2 | 33 | 1141 | 1571 |
| 173 | drug resistance | 2 | 33 | 1201 | 1671 |
| 175 | Obstetrics | 3 | 30 | 3351 | 4419 |
| 175 | Nephrology | 1 | 30 | 1247 | 1430 |
| 175 | Technology | 2 | 30 | 6389 | 6686 |
| 175 | prostaglandins | 2 | 30 | 732 | 1006 |
| 175 | Kidney diseases | 1 | 30 | 2004 | 2006 |
| 180 | Food Microbiology | 1 | 29 | 2483 | 2896 |
| 180 | food technology | 1 | 29 | 4516 | 4630 |
| 182 | Occupational Health | 1 | 28 | 2586 | 1956 |
| 183 | Vaccines | 2 | 27 | 2890 | 3888 |
| 184 | Orthopedics | 1 | 26 | 3048 | 2992 |
| 184 | Artificial Organs | 1 | 26 | 1465 | 1255 |
| 186 | weight loss | 1 | 25 | 394 | 411 |
| 187 | Developmental Psychology | 2 | 24 | 1449 | 2039 |
| 187 | Mental Disorders | 3 | 24 | 3955 | 5911 |
| 187 | Nutrigenomics | 1 | 24 | 288 | 445 |
| 187 | human development | 2 | 24 | 1076 | 1626 |
| 191 | Physiology | 1 | 23 | 7204 | 7560 |
| 191 | Medical Oncology | 2 | 23 | 3148 | 3915 |
| 191 | Radioisotopes | 1 | 23 | 2501 | 2091 |
| 191 | Isotopes | 1 | 23 | 322 | 275 |
| 195 | Environmental Microbiology | 1 | 21 | 2819 | 3541 |
| 195 | Histochemistry | 1 | 21 | 2259 | 2294 |
| 195 | soil microbiology | 1 | 21 | 2781 | 3593 |
| 195 | residential treatment | 1 | 21 | 364 | 367 |
| 195 | Microorganisms | 1 | 21 | 2340 | 3028 |
| 200 | Emergency Medical Services | 1 | 20 | 1894 | 1881 |
| 200 | Emergency Medicine | 1 | 20 | 3232 | 3139 |
| 200 | pain management | 1 | 20 | 1506 | 1566 |
| 203 | Oral Medicine | 1 | 19 | 1320 | 1289 |
| 203 | Human biology | 1 | 19 | 1385 | 1435 |
| 205 | Palliative Care | 1 | 18 | 2040 | 2086 |
| 205 | Bones | 1 | 18 | 1864 | 2176 |
| 207 | Organic Chemistry | 1 | 17 | 5024 | 5350 |
| 207 | Agricultural Chemistry | 1 | 17 | 4106 | 4546 |
| 207 | Bioorganic chemistry | 1 | 17 | 4629 | 5182 |
| 207 | medical education | 3 | 17 | 2514 | 4053 |
| 207 | musculoskeletal system | 1 | 17 | 353 | 497 |
| 207 | arthritis | 3 | 17 | 1618 | 3087 |
| 213 | air quality management | 1 | 16 | 1240 | 1726 |
| 213 | Autoantibodies | 1 | 16 | 1261 | 1706 |
| 213 | Autoimmunity | 1 | 16 | 1536 | 2088 |
| 213 | indoor air pollution | 1 | 16 | 901 | 1248 |
| 213 | Ventilation | 1 | 16 | 1187 | 1459 |
| 213 | Sick building syndrome | 1 | 16 | 901 | 1248 |
| 213 | Autoimmune diseases | 1 | 16 | 1377 | 1826 |
| 213 | Gastrointestinal diseases | 1 | 16 | 1619 | 1831 |
| 221 | Toxicology | 14 | 15 | 3029 | 9246 |
| 221 | Randomized Controlled Trials | 2 | 15 | 1942 | 2823 |
| 221 | venom | 14 | 15 | 306 | 2019 |
| 221 | Toxins | 14 | 15 | 334 | 2183 |
| 225 | feeding behavior | 1 | 14 | 1552 | 2061 |
| 225 | Appetite | 1 | 14 | 1390 | 1875 |
| 227 | Urology | 1 | 12 | 3504 | 4024 |
| 227 | Psychopharmacology | 1 | 12 | 3104 | 3637 |
| 227 | Neuropharmacology | 1 | 12 | 1262 | 1635 |
| 227 | Peroxisomes | 1 | 12 | 244 | 462 |
| 227 | genome | 1 | 12 | 3273 | 4178 |
| 227 | liver | 1 | 12 | 770 | 1050 |
| 233 | Immunochemistry | 1 | 11 | 2188 | 2637 |
| 234 | Mental Health Services | 1 | 10 | 2758 | 3344 |
| 234 | sleep-wake cycle | 1 | 10 | 337 | 377 |
| 234 | Post-traumatic stress disorder | 1 | 10 | 1535 | 2085 |
| 234 | Bereavement | 1 | 10 | 440 | 519 |
| 238 | Nanotechnology | 1 | 9 | 7759 | 9041 |
| 238 | Nanobiotechnology | 1 | 9 | 925 | 1624 |
| 238 | Antibacterial agents | 1 | 9 | 1597 | 2402 |
| 238 | Germany | 1 | 9 | 1605 | 1296 |
| 238 | United Kingdom | 1 | 9 | 3402 | 4151 |
| 238 | Informatics | 1 | 9 | 1743 | 2323 |
| 238 | miniaturization | 1 | 9 | 3353 | 4439 |
| 245 | Hormones | 1 | 8 | 2605 | 3545 |
| 245 | Transplantation | 1 | 8 | 2332 | 2964 |
| 245 | Cerebral cortex | 1 | 8 | 1680 | 2407 |
| 248 | Risk Management | 1 | 7 | 1698 | 2421 |
| 248 | Microcirculation | 2 | 7 | 760 | 1563 |
| 248 | Blood vessels | 2 | 7 | 614 | 1295 |
| 248 | amino acids | 1 | 7 | 1329 | 2035 |
| 252 | Global Health | 2 | 4 | 1812 | 3843 |
| 252 | calcification | 1 | 4 | 1171 | 1863 |
| 252 | protein | 1 | 4 | 2472 | 3430 |
| 255 | Pathology | 1 | 3 | 4565 | 6334 |
| 255 | Bipolar Disorder | 1 | 3 | 774 | 1261 |
| 255 | Gene expression regulation | 1 | 3 | 2140 | 3214 |
| 255 | Cell differentiation | 1 | 3 | 3181 | 4580 |
| 255 | DNA methylation | 1 | 3 | 712 | 1314 |
| 255 | Developmental Disabilities | 1 | 3 | 1939 | 3037 |
| 255 | Family Therapy | 1 | 3 | 1476 | 2264 |
| 255 | child mental health | 1 | 3 | 944 | 1596 |
| 255 | Flow cytometry | 1 | 3 | 981 | 1618 |
| 264 | Adolescent Medicine | 1 | 2 | 1431 | 2334 |
| 264 | Community Psychiatry | 1 | 2 | 2238 | 3463 |
| 264 | Developmental Genetics | 1 | 2 | 1091 | 1739 |
| 264 | Psycholinguistics | 1 | 2 | 1743 | 2631 |
| 264 | Neurolinguistics | 1 | 2 | 869 | 1387 |
| 264 | Developmental Biology | 1 | 2 | 3792 | 5369 |
| 264 | Speech Disorders | 1 | 2 | 1917 | 2861 |
| 264 | Brain | 2 | 2 | 3747 | 6192 |
| 264 | Psychiatric Epidemiology | 1 | 2 | 1120 | 2061 |
| 264 | Mental illness | 1 | 2 | 4008 | 5769 |
| 264 | Speech | 1 | 2 | 1720 | 2629 |
| 264 | language | 1 | 2 | 1520 | 2092 |
| 276 | Dermatology | 1 | 1 | 3396 | 4706 |
| 276 | Patient education | 1 | 1 | 1346 | 2412 |
| 276 | Mycotoxins | 1 | 1 | 361 | 760 |
| 276 | Teaching | 1 | 1 | 3444 | 5095 |
| 276 | counseling | 1 | 1 | 2744 | 4277 |
| 276 | Quality of life | 1 | 1 | 3137 | 5042 |
| 276 | Virulence | 1 | 1 | 2272 | 3530 |
| 276 | rehabilitation | 1 | 1 | 4377 | 6497 |
| 284 | Clinical Pharmacology | 1 | 0 | 2962 | 4518 |
| 284 | Neurotransmitters | 1 | 0 | 1213 | 1553 |
| 284 | locomotion | 1 | 0 | 1407 | 2225 |
| 284 | posture | 1 | 0 | 1407 | 2225 |
| 284 | Stem cells | 1 | 0 | 3034 | 4454 |
| 284 | Child health | 1 | 0 | 53 | 139 |
| 284 | Opioids | 1 | 0 | 200 | 506 |
| 284 | drug therapy | 1 | 0 | 4650 | 6761 |
| 284 | drugs | 1 | 0 | 4383 | 6600 |
| 284 | Europe | 1 | 0 | 6532 | 9176 |
| 284 | gait | 1 | 0 | 1407 | 2225 |
| 284 | walking | 1 | 0 | 1407 | 2225 |