| 1 | Neurology | 6,498 | 475.1K | 1 | 2 |
| 2 | Medicine | 4,596 | 421.3K | 4 | 3 |
| 3 | Science | 1,841 | 188.6K | 6 | 8 |
| 4 | Hematology | 3,840 | 186.1K | 1 | 1 |
| 5 | Molecular Biology | 1,864 | 177.1K | 4 | 5 |
| 6 | Biology | 2,246 | 169.7K | 5 | 9 |
| 7 | Endocrinology | 1,882 | 167.7K | 2 | 2 |
| 8 | Surgery | 1,032 | 160.9K | 3 | 3 |
| 9 | Biochemistry | 2,817 | 147.1K | 3 | 6 |
| 10 | Metabolism | 1,452 | 146.7K | 2 | 1 |
| 11 | Metabolic diseases | 1,304 | 134.8K | 2 | 1 |
| 12 | Physics | 706 | 130.4K | 6 | 9 |
| 13 | Liver diseases | 1,067 | 128.9K | 1 | 1 |
| 14 | Cardiovascular system | 1,243 | 127.0K | 2 | 2 |
| 15 | Human genetics | 521 | 119.3K | 7 | 6 |
| 16 | Hypertension | 1,142 | 113.7K | 2 | 2 |
| 17 | Urology | 2,174 | 98.8K | 2 | 1 |
| 18 | Nervous system | 760 | 97.4K | 2 | 1 |
| 19 | Medical genetics | 1,137 | 91.5K | 5 | 5 |
| 20 | Alzheimer's disease | 1,261 | 90.8K | 1 | 1 |
| 21 | Pediatric Neurology | 470 | 86.6K | 3 | 1 |
| 22 | Dementia | 1,181 | 86.3K | 1 | 1 |
| 23 | Natural history | 156 | 86.0K | 20 | 10 |
| 24 | Cell Biology | 685 | 82.1K | 7 | 10 |
| 25 | Cytology | 623 | 80.6K | 9 | 12 |
| 26 | Research | 1,696 | 71.2K | 4 | 6 |
| 27 | Cancer | 1,176 | 70.6K | 4 | 4 |
| 28 | Microbiology | 866 | 63.9K | 5 | 6 |
| 29 | Orthopedics | 1,092 | 60.4K | 1 | 1 |
| 30 | Genetics | 601 | 59.9K | 6 | 8 |
| 31 | Dermatology | 1,244 | 58.9K | 1 | 1 |
| 32 | Physiology | 1,189 | 58.0K | 1 | 2 |
| 33 | Leukemia | 663 | 58.0K | 1 | 1 |
| 34 | Pathology | 969 | 52.0K | 2 | 3 |
| 35 | Biophysics | 1,543 | 51.4K | 3 | 4 |
| 36 | Medical Oncology | 1,028 | 49.6K | 3 | 3 |
| 37 | Virology | 319 | 48.1K | 10 | 11 |
| 38 | Chemistry | 644 | 47.8K | 6 | 4 |
| 39 | Epidemiology | 470 | 47.3K | 5 | 2 |
| 40 | Immunology | 821 | 45.2K | 8 | 12 |
| 41 | Pharmacology | 826 | 43.6K | 5 | 4 |
| 42 | Transplantation | 739 | 43.4K | 2 | 2 |
| 43 | Oncology | 634 | 42.2K | 2 | 4 |
| 44 | Radiobiology | 755 | 41.5K | 3 | 3 |
| 45 | Nutrition | 910 | 37.6K | 3 | 3 |
| 46 | Neurobiology | 462 | 37.3K | 2 | 2 |
| 47 | Neurophysiology | 409 | 33.7K | 4 | 6 |
| 48 | Neurons | 79 | 33.6K | 6 | 4 |
| 49 | Psychiatry | 576 | 32.7K | 10 | 15 |
| 50 | Pharmaceutical Chemistry | 646 | 31.3K | 1 | 1 |
| 51 | Clinical Chemistry | 737 | 30.8K | 1 | 1 |
| 52 | arthritis | 391 | 30.1K | 3 | 2 |
| 53 | Public Health | 604 | 28.5K | 5 | 6 |
| 54 | Diabetes | 387 | 28.5K | 5 | 7 |
| 55 | Diabetes mellitus | 370 | 28.3K | 5 | 7 |
| 56 | Pediatrics | 631 | 28.2K | 14 | 19 |
| 57 | Sleep | 453 | 27.9K | 3 | 2 |
| 58 | Ophthalmology | 592 | 27.5K | 4 | 4 |
| 59 | Diagnostic microbiology | 404 | 27.1K | 1 | 2 |
| 60 | Medical Physics | 905 | 26.8K | 3 | 3 |
| 61 | Sleep Disorders | 448 | 26.5K | 3 | 2 |
| 62 | Chronic diseases | 157 | 26.3K | 3 | 4 |
| 63 | medical education | 507 | 26.0K | 1 | 1 |
| 64 | Critical Care | 375 | 25.6K | 3 | 6 |
| 65 | Critical Care Medicine | 357 | 25.6K | 4 | 6 |
| 66 | Rheumatology | 326 | 23.4K | 3 | 2 |
| 67 | Therapeutics | 377 | 23.2K | 1 | 3 |
| 68 | Cytogenetics | 202 | 22.5K | 5 | 7 |
| 69 | Immunity | 158 | 22.1K | 15 | 13 |
| 70 | drug therapy | 434 | 21.8K | 3 | 2 |
| 71 | Respiration | 504 | 21.8K | 1 | 1 |
| 72 | diseases | 41 | 21.0K | 1 | 1 |
| 73 | Aging | 443 | 20.8K | 1 | 4 |
| 74 | Obstetrics | 631 | 20.7K | 5 | 6 |
| 75 | Environment | 397 | 20.6K | 3 | 3 |
| 76 | Disease | 39 | 20.5K | 1 | 1 |
| 77 | Oncogenes | 171 | 18.5K | 2 | 3 |
| 78 | rehabilitation | 488 | 17.9K | 2 | 3 |
| 79 | Radiography | 399 | 17.5K | 2 | 4 |
| 80 | Genetic engineering | 120 | 17.5K | 2 | 1 |
| 81 | Heart Failure | 267 | 17.3K | 2 | 2 |
| 82 | Digestive system diseases | 504 | 17.0K | 1 | 1 |
| 83 | Muscles | 382 | 16.9K | 1 | 1 |
| 84 | Biomedical Engineering | 417 | 16.4K | 2 | 3 |
| 85 | Geriatrics | 410 | 15.9K | 5 | 8 |
| 86 | Genomics | 353 | 15.9K | 2 | 6 |
| 87 | Physical Therapy | 443 | 15.8K | 1 | 1 |
| 88 | Neuromuscular diseases | 369 | 15.4K | 1 | 1 |
| 89 | Radiology | 531 | 15.4K | 2 | 2 |
| 90 | Recombinant DNA | 83 | 15.1K | 3 | 1 |
| 91 | Obesity | 267 | 15.0K | 4 | 4 |
| 92 | Brain | 316 | 14.9K | 5 | 8 |
| 93 | Molecular cloning | 76 | 14.6K | 2 | 1 |
| 94 | Genetic recombination | 74 | 14.6K | 2 | 1 |
| 95 | Kidney diseases | 231 | 14.3K | 2 | 1 |
| 96 | Allergy | 240 | 13.8K | 5 | 12 |
| 97 | Nephrology | 192 | 13.6K | 2 | 1 |
| 98 | Biocompatible Materials | 216 | 13.5K | 7 | 7 |
| 99 | transport vesicles | 18 | 13.1K | 7 | 12 |
| 100 | Medical Microbiology | 153 | 12.7K | 13 | 11 |
| 101 | Biotechnology | 151 | 12.6K | 8 | 8 |
| 102 | Mental Disorders | 230 | 12.2K | 19 | 23 |
| 103 | Orthopedic Surgery | 231 | 12.0K | 1 | 1 |
| 104 | cell physiology | 173 | 12.0K | 2 | 2 |
| 105 | Bones | 135 | 12.0K | 1 | 1 |
| 106 | Genetic therapy | 272 | 11.9K | 1 | 1 |
| 107 | Parenteral nutrition | 233 | 11.8K | 2 | 6 |
| 108 | Medical innovations | 124 | 11.7K | 4 | 6 |
| 109 | Electrophysiology | 409 | 11.5K | 1 | 1 |
| 110 | drug development | 129 | 11.4K | 4 | 6 |
| 111 | Bioengineering | 138 | 11.3K | 6 | 8 |
| 112 | Biomechanics | 189 | 11.3K | 1 | 1 |
| 113 | Neurochemistry | 248 | 11.0K | 5 | 8 |
| 114 | Sports Medicine | 482 | 10.7K | 1 | 4 |
| 115 | nucleic acids | 135 | 10.3K | 3 | 7 |
| 116 | gene therapy | 210 | 10.2K | 1 | 4 |
| 117 | Vaccines | 289 | 10.2K | 2 | 3 |
| 118 | Attention | 248 | 10.1K | 6 | 6 |
| 119 | Neurosurgery | 220 | 9.9K | 2 | 2 |
| 120 | Memory | 239 | 9.9K | 7 | 5 |
| 121 | Clinical Biochemistry | 278 | 9.9K | 2 | 3 |
| 122 | Visual Perception | 237 | 9.9K | 7 | 5 |
| 122 | Perception | 237 | 9.9K | 7 | 5 |
| 124 | pain | 237 | 9.7K | 4 | 15 |
| 125 | viruses | 173 | 9.6K | 7 | 8 |
| 126 | gene mapping | 134 | 9.5K | 6 | 4 |
| 127 | Behavior | 228 | 9.2K | 6 | 11 |
| 128 | Hemodynamics | 177 | 9.2K | 1 | 2 |
| 129 | Immunotherapy | 128 | 9.1K | 12 | 11 |
| 130 | Thrombosis | 170 | 9.0K | 4 | 4 |
| 131 | Cardiovascular diseases | 291 | 8.8K | 2 | 3 |
| 132 | Psychophysiology | 127 | 8.8K | 16 | 17 |
| 133 | Pancreatic diseases | 182 | 8.7K | 1 | 2 |
| 134 | Emergency Medicine | 365 | 8.5K | 4 | 7 |
| 135 | Diagnostic Imaging | 176 | 8.5K | 11 | 12 |
| 136 | Primary health care | 329 | 8.5K | 1 | 1 |
| 137 | Cell metabolism | 37 | 8.3K | 6 | 6 |
| 138 | Homeostasis | 33 | 8.2K | 7 | 6 |
| 139 | Cell differentiation | 149 | 8.2K | 10 | 19 |
| 140 | Stem cells | 215 | 8.1K | 2 | 6 |
| 141 | Immune system | 58 | 8.1K | 16 | 17 |
| 142 | Enteral nutrition | 126 | 7.7K | 2 | 9 |
| 143 | Tropical Medicine | 326 | 7.5K | 1 | 1 |
| 144 | cardiac catheterization | 348 | 7.4K | 1 | 2 |
| 145 | fertility | 184 | 7.4K | 4 | 9 |
| 146 | Infertility | 183 | 7.4K | 4 | 9 |
| 147 | Host-parasite interactions | 36 | 7.4K | 17 | 12 |
| 148 | vascular diseases | 96 | 7.3K | 5 | 3 |
| 149 | United States | 329 | 7.2K | 7 | 19 |
| 150 | Health Services Research | 106 | 7.2K | 11 | 4 |
| 151 | Health | 186 | 7.1K | 7 | 11 |
| 152 | Health Policy | 134 | 7.1K | 9 | 4 |
| 153 | Lung Transplantation | 167 | 7.0K | 4 | 9 |
| 153 | Heart transplantation | 167 | 7.0K | 4 | 9 |
| 155 | Biochemical Engineering | 40 | 6.9K | 16 | 11 |
| 156 | Thorax | 163 | 6.8K | 3 | 1 |
| 157 | Bacterial infections | 26 | 6.7K | 19 | 5 |
| 158 | Chromosome mapping | 102 | 6.6K | 6 | 4 |
| 159 | Clinical Immunology | 255 | 6.6K | 4 | 6 |
| 160 | Developmental Biology | 86 | 6.6K | 20 | 24 |
| 161 | Nanotechnology | 97 | 6.6K | 27 | 17 |
| 162 | Child | 356 | 6.5K | 11 | 14 |
| 163 | Statistics | 125 | 6.4K | 1 | 2 |
| 164 | mycoses | 20 | 6.3K | 15 | 8 |
| 165 | Mental illness | 123 | 6.3K | 14 | 27 |
| 166 | Psychology | 194 | 6.3K | 9 | 17 |
| 167 | blood transfusion | 228 | 6.2K | 1 | 1 |
| 168 | Psychopharmacology | 84 | 6.2K | 15 | 16 |
| 169 | genome | 113 | 6.1K | 3 | 8 |
| 170 | Pharmacogenetics | 147 | 6.1K | 1 | 1 |
| 171 | Diet | 102 | 6.0K | 12 | 17 |
| 172 | Bacteriology | 88 | 6.0K | 3 | 4 |
| 173 | Computational Biology | 154 | 6.0K | 1 | 4 |
| 174 | Ultrasonics | 161 | 5.9K | 1 | 1 |
| 175 | Ultrasound | 134 | 5.8K | 1 | 1 |
| 176 | Neuropsychology | 162 | 5.7K | 5 | 8 |
| 177 | Toxicology | 117 | 5.6K | 23 | 16 |
| 178 | epilepsy | 178 | 5.6K | 3 | 3 |
| 179 | Anatomy | 125 | 5.4K | 9 | 16 |
| 180 | Genetic regulation | 69 | 5.4K | 8 | 14 |
| 181 | General Surgery | 181 | 5.4K | 3 | 1 |
| 182 | Gerontology | 180 | 5.3K | 5 | 6 |
| 183 | Speech Disorders | 129 | 5.2K | 2 | 4 |
| 184 | Smoking | 117 | 5.1K | 2 | 2 |
| 185 | Hormones | 85 | 5.1K | 6 | 5 |
| 185 | Radio | 94 | 5.1K | 1 | 1 |
| 187 | Chemotherapy | 151 | 5.0K | 4 | 5 |
| 188 | human behavior | 60 | 4.9K | 14 | 16 |
| 189 | Cardiac electrophysiology | 140 | 4.9K | 1 | 1 |
| 189 | arrhythmia | 140 | 4.9K | 1 | 1 |
| 191 | Spine | 110 | 4.9K | 3 | 7 |
| 192 | Sound | 94 | 4.8K | 1 | 1 |
| 193 | Ferroelectricity | 91 | 4.8K | 1 | 1 |
| 194 | Radio frequency | 89 | 4.8K | 1 | 1 |
| 195 | Immunopathology | 150 | 4.7K | 8 | 14 |
| 196 | free radicals | 23 | 4.6K | 43 | 9 |
| 197 | Medical Technology | 139 | 4.6K | 2 | 3 |
| 198 | Antioxidants | 17 | 4.5K | 14 | 4 |
| 199 | infection | 95 | 4.4K | 26 | 15 |
| 200 | Otolaryngology | 161 | 4.4K | 4 | 6 |
| 201 | Bioinformatics | 141 | 4.4K | 1 | 5 |
| 202 | Education | 86 | 4.3K | 4 | 2 |
| 203 | Radiotherapy | 179 | 4.3K | 2 | 2 |
| 204 | Adolescent | 236 | 4.3K | 10 | 10 |
| 205 | Women's health | 189 | 4.1K | 2 | 3 |
| 206 | Psychosomatic Medicine | 180 | 4.1K | 3 | 10 |
| 207 | Molecular structure | 47 | 4.0K | 6 | 7 |
| 208 | Sexual health | 264 | 4.0K | 2 | 2 |
| 209 | North America | 101 | 3.9K | 5 | 1 |
| 210 | Autoimmunity | 88 | 3.8K | 4 | 9 |
| 211 | Genetic epidemiology | 105 | 3.8K | 1 | 1 |
| 211 | heredity | 105 | 3.8K | 1 | 1 |
| 213 | Medical Laboratory Science | 95 | 3.8K | 2 | 6 |
| 214 | Health Education | 133 | 3.7K | 4 | 6 |
| 215 | Infections | 65 | 3.7K | 24 | 16 |
| 216 | proteins | 98 | 3.6K | 1 | 5 |
| 217 | locomotion | 54 | 3.6K | 7 | 4 |
| 217 | posture | 54 | 3.6K | 7 | 4 |
| 217 | gait | 54 | 3.6K | 7 | 4 |
| 217 | walking | 54 | 3.6K | 7 | 4 |
| 221 | Neuropsychiatry | 79 | 3.6K | 3 | 4 |
| 222 | Anxiety Disorders | 39 | 3.5K | 5 | 6 |
| 222 | Anxiety | 39 | 3.5K | 5 | 6 |
| 224 | Cell death | 85 | 3.4K | 18 | 36 |
| 225 | Gene expression regulation | 46 | 3.4K | 8 | 14 |
| 226 | sports injuries | 173 | 3.4K | 1 | 1 |
| 227 | Nuclear Medicine | 100 | 3.4K | 17 | 30 |
| 228 | Engineering | 103 | 3.4K | 3 | 2 |
| 229 | Speech | 74 | 3.4K | 4 | 4 |
| 230 | Histology | 59 | 3.4K | 11 | 11 |
| 231 | Quality of life | 64 | 3.3K | 7 | 7 |
| 232 | Lipids | 56 | 3.3K | 12 | 14 |
| 233 | Substance Abuse | 101 | 3.3K | 8 | 9 |
| 234 | Hearing | 98 | 3.3K | 3 | 2 |
| 235 | Environmental Health | 69 | 3.2K | 27 | 33 |
| 236 | drugs | 74 | 3.2K | 17 | 7 |
| 237 | Analytical Biochemistry | 61 | 3.2K | 5 | 6 |
| 238 | Electronics | 80 | 3.2K | 2 | 2 |
| 239 | Bone diseases | 39 | 3.2K | 4 | 7 |
| 240 | Image Processing | 33 | 3.2K | 8 | 5 |
| 241 | histological techniques | 46 | 3.1K | 7 | 4 |
| 242 | Parasitic Diseases | 46 | 3.1K | 27 | 19 |
| 243 | vitamin C | 2 | 3.1K | 58 | 2 |
| 243 | vitamin E | 2 | 3.1K | 58 | 2 |
| 245 | Developmental Genetics | 24 | 3.1K | 16 | 17 |
| 246 | Materials | 46 | 3.0K | 36 | 29 |
| 247 | health services | 88 | 3.0K | 1 | 1 |
| 248 | Embryology | 35 | 3.0K | 33 | 32 |
| 249 | Lymphoma | 169 | 3.0K | 1 | 1 |
| 250 | Menopause | 86 | 3.0K | 2 | 2 |
| 251 | Health Services Administration | 74 | 2.9K | 4 | 6 |
| 252 | psychotherapy | 37 | 2.9K | 31 | 13 |
| 253 | preventive medicine | 103 | 2.9K | 5 | 14 |
| 254 | Clinical Psychology | 86 | 2.9K | 4 | 14 |
| 255 | alcoholism | 92 | 2.9K | 9 | 14 |
| 256 | Computer Vision | 21 | 2.8K | 8 | 5 |
| 257 | Drug delivery systems | 26 | 2.8K | 12 | 6 |
| 258 | United Kingdom | 55 | 2.8K | 11 | 18 |
| 259 | Multiple Myeloma | 159 | 2.7K | 1 | 1 |
| 260 | viral genetics | 16 | 2.7K | 13 | 15 |
| 261 | Research Design | 77 | 2.6K | 8 | 8 |
| 262 | liver | 85 | 2.6K | 1 | 1 |
| 263 | Analytical Chemistry | 69 | 2.6K | 18 | 15 |
| 264 | Autoimmune diseases | 72 | 2.6K | 2 | 6 |
| 265 | Health promotion | 114 | 2.6K | 4 | 12 |
| 266 | Carcinogenesis | 58 | 2.6K | 4 | 8 |
| 267 | DNA polymerases | 19 | 2.5K | 8 | 6 |
| 268 | Endocrine glands | 21 | 2.5K | 3 | 4 |
| 269 | Antigens | 84 | 2.5K | 5 | 11 |
| 270 | Signal Transduction | 51 | 2.4K | 13 | 26 |
| 271 | cloning | 41 | 2.4K | 4 | 13 |
| 272 | Minority Health | 2 | 2.4K | 17 | 6 |
| 273 | Amyloidosis | 76 | 2.4K | 1 | 2 |
| 274 | counseling | 80 | 2.4K | 3 | 9 |
| 275 | Europe | 45 | 2.4K | 66 | 48 |
| 276 | enzymes | 50 | 2.4K | 5 | 5 |
| 277 | Autoantibodies | 64 | 2.4K | 2 | 5 |
| 278 | Steroids | 82 | 2.3K | 2 | 4 |
| 279 | Reproduction | 83 | 2.3K | 32 | 55 |
| 280 | risk factors | 84 | 2.3K | 3 | 7 |
| 281 | carcinogens | 51 | 2.3K | 5 | 10 |
| 282 | Biometrics | 69 | 2.3K | 5 | 11 |
| 283 | rare diseases | 72 | 2.3K | 5 | 11 |
| 284 | Patient education | 64 | 2.3K | 4 | 7 |
| 285 | Information Systems | 57 | 2.3K | 1 | 1 |
| 286 | tomography | 83 | 2.3K | 2 | 3 |
| 287 | Materials Science | 35 | 2.3K | 18 | 16 |
| 288 | Sports | 129 | 2.2K | 4 | 15 |
| 289 | Inflammation | 41 | 2.2K | 6 | 5 |
| 290 | Child psychology | 43 | 2.1K | 28 | 33 |
| 291 | drug addiction | 62 | 2.1K | 11 | 15 |
| 292 | Language Disorders | 64 | 2.1K | 5 | 6 |
| 293 | Oxidation-reduction | 25 | 2.1K | 14 | 12 |
| 294 | calcification | 46 | 2.1K | 6 | 9 |
| 295 | scientific societies | 70 | 2.1K | 19 | 22 |
| 296 | Antibodies | 66 | 2.1K | 2 | 8 |
| 297 | Hemostasis | 96 | 2.0K | 4 | 8 |
| 298 | Molecular Imaging | 26 | 2.0K | 57 | 41 |
| 299 | Proteome | 45 | 2.0K | 5 | 11 |
| 300 | Electroconvulsive therapy | 70 | 2.0K | 1 | 1 |
| 301 | behavioral medicine | 70 | 2.0K | 10 | 14 |
| 302 | Child Development | 60 | 2.0K | 27 | 38 |
| 303 | complementary therapies | 92 | 1.9K | 3 | 6 |
| 304 | Genetic disorders | 58 | 1.9K | 19 | 22 |
| 305 | Clinical Trials | 66 | 1.9K | 7 | 5 |
| 306 | Polymers | 30 | 1.9K | 10 | 8 |
| 307 | Growth | 14 | 1.9K | 34 | 27 |
| 308 | Audiology | 87 | 1.9K | 5 | 13 |
| 309 | Molecular Pharmacology | 44 | 1.9K | 3 | 5 |
| 310 | mutagens | 37 | 1.9K | 8 | 13 |
| 311 | Environmental Toxicology | 14 | 1.9K | 71 | 25 |
| 311 | Animal Behavior | 21 | 1.9K | 18 | 22 |
| 313 | Systems Biology | 56 | 1.8K | 4 | 5 |
| 314 | Telemedicine | 66 | 1.8K | 1 | 2 |
| 315 | Adolescent Medicine | 42 | 1.8K | 20 | 36 |
| 316 | Medical Ethics | 133 | 1.8K | 3 | 3 |
| 317 | nanoscience | 28 | 1.8K | 23 | 29 |
| 317 | health planning | 25 | 1.8K | 9 | 2 |
| 319 | Bioorganic chemistry | 40 | 1.8K | 11 | 10 |
| 320 | Geriatric Oncology | 70 | 1.8K | 4 | 10 |
| 320 | Randomized Controlled Trials | 61 | 1.8K | 14 | 8 |
| 322 | Alternative Medicine | 80 | 1.8K | 2 | 6 |
| 323 | Immunochemistry | 54 | 1.8K | 3 | 5 |
| 324 | Long-Term Care | 56 | 1.7K | 6 | 22 |
| 324 | Long-term care facilities | 56 | 1.7K | 6 | 22 |
| 326 | Palliative Care | 114 | 1.7K | 2 | 9 |
| 327 | Artificial Organs | 118 | 1.7K | 4 | 10 |
| 328 | Decision making | 65 | 1.7K | 1 | 4 |
| 329 | Multiple sclerosis | 68 | 1.7K | 4 | 2 |
| 330 | Bipolar Disorder | 80 | 1.7K | 3 | 13 |
| 331 | Astrocytes | 20 | 1.7K | 5 | 6 |
| 332 | Parkinson's disease | 15 | 1.7K | 5 | 1 |
| 333 | Ethology | 17 | 1.6K | 19 | 23 |
| 334 | Hemophilia | 40 | 1.6K | 22 | 21 |
| 335 | Cost control | 57 | 1.6K | 1 | 1 |
| 336 | Learning | 25 | 1.6K | 8 | 14 |
| 337 | Nutrition physiology | 29 | 1.6K | 3 | 2 |
| 338 | Pediatric Dermatology | 116 | 1.6K | 4 | 6 |
| 339 | Virulence | 34 | 1.6K | 14 | 31 |
| 340 | Endocrine system | 268 | 1.5K | 1 | 2 |
| 341 | Data Mining | 31 | 1.5K | 2 | 7 |
| 342 | biological factors | 50 | 1.5K | 5 | 7 |
| 343 | Communication | 28 | 1.5K | 3 | 3 |
| 344 | behavior therapy | 48 | 1.5K | 9 | 9 |
| 345 | Immunogenetics | 58 | 1.5K | 8 | 15 |
| 346 | Organic Chemistry | 42 | 1.5K | 11 | 12 |
| 347 | Sarcopenia | 13 | 1.5K | 13 | 7 |
| 348 | Magnetic Resonance Imaging | 53 | 1.5K | 11 | 22 |
| 349 | older people | 134 | 1.5K | 4 | 9 |
| 350 | Hospitals | 117 | 1.5K | 1 | 6 |
| 351 | protein | 38 | 1.4K | 3 | 10 |
| 352 | Industrial Microbiology | 9 | 1.4K | 10 | 4 |
| 353 | Mathematics | 51 | 1.4K | 4 | 2 |
| 354 | Clinical Pharmacology | 39 | 1.4K | 63 | 45 |
| 355 | Biopharmaceutics | 42 | 1.4K | 1 | 3 |
| 356 | data collection | 18 | 1.4K | 3 | 8 |
| 357 | Mass Spectrometry | 41 | 1.3K | 1 | 4 |
| 358 | Membranes | 47 | 1.3K | 10 | 11 |
| 359 | Optics | 184 | 1.3K | 2 | 7 |
| 360 | Electrophoresis | 34 | 1.3K | 5 | 7 |
| 361 | Histochemistry | 33 | 1.3K | 8 | 14 |
| 362 | child behavior | 16 | 1.3K | 18 | 6 |
| 363 | Respiratory system | 53 | 1.2K | 4 | 11 |
| 364 | Ecology | 24 | 1.2K | 30 | 38 |
| 365 | sex differences | 27 | 1.2K | 1 | 1 |
| 366 | Histocompatibility Testing | 61 | 1.2K | 2 | 8 |
| 367 | Exercise | 36 | 1.2K | 3 | 6 |
| 368 | Information Science | 32 | 1.2K | 4 | 6 |
| 369 | Ultrasonic Imaging | 73 | 1.2K | 1 | 1 |
| 370 | hospice care | 72 | 1.2K | 2 | 3 |
| 371 | Familial diseases | 34 | 1.2K | 5 | 2 |
| 372 | Osteoporosis | 25 | 1.2K | 1 | 5 |
| 373 | Gastrointestinal diseases | 68 | 1.1K | 3 | 2 |
| 374 | Pharmacy | 37 | 1.1K | 14 | 14 |
| 375 | Cognition | 22 | 1.1K | 26 | 19 |
| 376 | Flow cytometry | 36 | 1.1K | 1 | 3 |
| 377 | Radiation Oncology | 33 | 1.1K | 3 | 7 |
| 377 | Drug design | 40 | 1.1K | 7 | 14 |
| 379 | miniaturization | 11 | 1.1K | 18 | 13 |
| 380 | Computer Science | 42 | 1.1K | 2 | 2 |
| 381 | Neurogenetics | 36 | 1.1K | 4 | 4 |
| 382 | Neuroimmunology | 20 | 1.0K | 17 | 31 |
| 383 | Pharmacogenomics | 30 | 1.0K | 1 | 1 |
| 384 | Microbial Ecology | 12 | 1.0K | 31 | 21 |
| 385 | Microorganisms | 12 | 1.0K | 9 | 18 |
| 386 | Bioethics | 99 | 1.0K | 2 | 7 |
| 387 | Pituitary gland | 37 | 1.0K | 3 | 5 |
| 388 | personality | 7 | 1.0K | 25 | 9 |
| 389 | Eating Disorders | 45 | 998 | 21 | 36 |
| 390 | Electrocardiography | 59 | 991 | 3 | 3 |
| 391 | Psychoneuroimmunology | 17 | 980 | 20 | 31 |
| 392 | Microelectronics | 5 | 963 | 25 | 10 |
| 393 | Erectile dysfunction | 60 | 957 | 1 | 2 |
| 394 | Nursing | 52 | 956 | 16 | 17 |
| 394 | brain mapping | 23 | 956 | 22 | 39 |
| 396 | anesthesia | 91 | 943 | 2 | 4 |
| 397 | Brachytherapy | 47 | 942 | 4 | 3 |
| 398 | Travel | 40 | 940 | 14 | 11 |
| 399 | Brain damage | 31 | 935 | 3 | 13 |
| 400 | child abuse | 20 | 933 | 16 | 17 |
| 401 | Sociology | 24 | 922 | 17 | 41 |
| 402 | Ethics | 24 | 919 | 5 | 3 |
| 403 | Oxidative stress | 16 | 907 | 20 | 30 |
| 404 | Dentistry | 53 | 891 | 7 | 11 |
| 404 | Feeding and Eating Disorders | 37 | 891 | 23 | 41 |
| 406 | Health insurance | 30 | 890 | 8 | 18 |
| 407 | biomedicine | 27 | 887 | 8 | 9 |
| 408 | Proteomics | 28 | 880 | 9 | 30 |
| 409 | China | 16 | 873 | 92 | 34 |
| 410 | Physical fitness | 23 | 871 | 5 | 12 |
| 411 | Psycholinguistics | 21 | 869 | 6 | 12 |
| 412 | Medical Imaging | 35 | 867 | 18 | 27 |
| 413 | Cerebral cortex | 22 | 863 | 29 | 44 |
| 414 | healthcare disparities | 37 | 855 | 2 | 5 |
| 415 | Genes | 18 | 854 | 11 | 4 |
| 416 | Neurolinguistics | 19 | 849 | 6 | 9 |
| 417 | Precision medicine | 45 | 848 | 3 | 5 |
| 417 | Vaccination | 21 | 848 | 2 | 2 |
| 419 | Fluorescence spectroscopy | 19 | 847 | 5 | 4 |
| 419 | Molecular Spectroscopy | 19 | 847 | 7 | 4 |
| 421 | Functional Genomics | 20 | 843 | 6 | 11 |
| 422 | X-rays | 38 | 839 | 25 | 24 |
| 422 | language | 19 | 839 | 5 | 9 |
| 424 | Genetic Counseling | 48 | 833 | 4 | 5 |
| 425 | Geriatric Psychiatry | 24 | 831 | 35 | 37 |
| 426 | Environmental Microbiology | 8 | 830 | 20 | 16 |
| 427 | soil microbiology | 7 | 827 | 13 | 12 |
| 428 | chronic disease | 25 | 822 | 6 | 7 |
| 429 | cell interaction | 31 | 820 | 21 | 34 |
| 430 | Nanostructures | 7 | 818 | 67 | 31 |
| 431 | Safety management | 43 | 800 | 2 | 6 |
| 432 | cytokines | 15 | 796 | 100 | 51 |
| 433 | Diagnosis | 53 | 793 | 2 | 3 |
| 434 | Organ transplantation | 59 | 789 | 13 | 18 |
| 435 | Neurotoxicology | 11 | 788 | 18 | 11 |
| 436 | Molecular Genetics | 28 | 784 | 8 | 15 |
| 437 | Chromosomes | 17 | 783 | 14 | 13 |
| 438 | Parasitology | 24 | 779 | 16 | 22 |
| 439 | Evidence-Based Medicine | 118 | 770 | 1 | 9 |
| 439 | Developing countries | 18 | 770 | 8 | 4 |
| 441 | Microcirculation | 16 | 768 | 12 | 9 |
| 442 | Mycology | 28 | 753 | 6 | 11 |
| 443 | Laser therapy | 43 | 742 | 3 | 2 |
| 444 | Neuropharmacology | 23 | 740 | 8 | 17 |
| 445 | Metastasis | 15 | 738 | 3 | 11 |
| 446 | Communication in medicine | 21 | 732 | 3 | 5 |
| 447 | Nuclear Engineering | 16 | 730 | 7 | 6 |
| 448 | software | 22 | 728 | 7 | 10 |
| 449 | Drug discovery | 11 | 727 | 4 | 1 |
| 450 | Phonetics | 9 | 717 | 2 | 1 |
| 451 | DNS | 13 | 709 | 6 | 3 |
| 451 | behavior modification | 12 | 709 | 11 | 9 |
| 453 | Spectrum analysis | 27 | 706 | 9 | 19 |
| 454 | Nutritional support | 18 | 704 | 3 | 5 |
| 455 | Industrial Safety | 36 | 701 | 2 | 2 |
| 456 | DNA | 14 | 694 | 5 | 3 |
| 457 | Photography | 163 | 692 | 2 | 2 |
| 458 | DNA repair | 8 | 682 | 7 | 3 |
| 459 | Depression | 14 | 681 | 15 | 24 |
| 460 | Cognitive neuroscience | 9 | 680 | 43 | 38 |
| 461 | Biosensors | 18 | 678 | 13 | 22 |
| 462 | Linguistics | 13 | 671 | 5 | 2 |
| 463 | Immunopharmacology | 16 | 665 | 85 | 46 |
| 464 | Global Health | 33 | 661 | 8 | 8 |
| 464 | Nanobiotechnology | 8 | 661 | 51 | 34 |
| 466 | Neurotransmitters | 55 | 657 | 7 | 20 |
| 467 | Hematopoietic stem cell transplantation | 23 | 641 | 3 | 11 |
| 467 | Holistic Health | 34 | 641 | 1 | 3 |
| 469 | gastrointestinal tract | 12 | 638 | 9 | 12 |
| 470 | optical instruments | 21 | 637 | 2 | 4 |
| 471 | Cardiac rehabilitation | 21 | 631 | 1 | 1 |
| 472 | Applied Linguistics | 8 | 620 | 4 | 2 |
| 473 | Amyotrophic Lateral Sclerosis | 30 | 612 | 6 | 14 |
| 474 | biochemical markers | 27 | 607 | 5 | 10 |
| 475 | Radiation | 24 | 596 | 16 | 18 |
| 476 | Pharmacokinetics | 19 | 587 | 5 | 8 |
| 477 | Occupational Therapy | 37 | 576 | 8 | 10 |
| 478 | Schizophrenia | 19 | 575 | 89 | 125 |
| 478 | Healing | 28 | 575 | 1 | 1 |
| 480 | nuclear magnetic resonance | 31 | 572 | 14 | 30 |
| 481 | Operations Research | 10 | 571 | 1 | 1 |
| 482 | Bioelectronics | 13 | 568 | 17 | 21 |
| 483 | Social work | 11 | 566 | 42 | 11 |
| 484 | Pediatric Hematology | 40 | 564 | 9 | 11 |
| 485 | visualization | 101 | 551 | 4 | 8 |
| 486 | preimplantation genetic diagnosis | 23 | 550 | 15 | 17 |
| 486 | embryo transfer | 24 | 550 | 16 | 21 |
| 488 | animals | 5 | 539 | 13 | 5 |
| 489 | Asthma | 40 | 538 | 11 | 34 |
| 490 | Genetic translocation | 13 | 536 | 1 | 1 |
| 490 | plasmids | 13 | 536 | 1 | 1 |
| 492 | Environmental monitoring | 12 | 535 | 73 | 76 |
| 493 | Magnetic Resonance Spectroscopy | 28 | 533 | 15 | 29 |
| 494 | Extracellular matrix | 5 | 531 | 23 | 15 |
| 494 | collagen | 5 | 531 | 25 | 16 |
| 496 | drug abuse | 16 | 529 | 28 | 24 |
| 497 | Blood vessels | 16 | 522 | 10 | 10 |
| 498 | Mental Health Services | 35 | 519 | 32 | 52 |
| 499 | Hearing Aids | 42 | 518 | 2 | 2 |
| 500 | primary prevention | 16 | 510 | 3 | 3 |
| 501 | Social Sciences | 17 | 509 | 11 | 10 |
| 502 | Nanoparticles | 9 | 508 | 35 | 31 |
| 503 | Lipid metabolism | 10 | 506 | 13 | 16 |
| 503 | Lipid | 10 | 506 | 13 | 16 |
| 505 | Child welfare | 11 | 505 | 26 | 18 |
| 506 | Medical Anthropology | 15 | 503 | 25 | 66 |
| 507 | Dietetics | 23 | 501 | 18 | 23 |
| 508 | Atherosclerosis | 23 | 494 | 5 | 7 |
| 509 | DNA methylation | 15 | 492 | 3 | 15 |
| 510 | Teaching | 35 | 489 | 2 | 4 |
| 511 | Sports Psychology | 1 | 487 | 3 | 1 |
| 512 | Chemical analysis | 13 | 486 | 7 | 7 |
| 513 | Behavioral Genetics | 3 | 485 | 23 | 6 |
| 514 | Ergonomics | 74 | 478 | 1 | 6 |
| 515 | drug evaluation | 24 | 473 | 14 | 25 |
| 516 | feeding behavior | 13 | 470 | 9 | 13 |
| 517 | sex crimes | 9 | 469 | 9 | 3 |
| 518 | dietary supplements | 7 | 468 | 16 | 3 |
| 519 | Plant genetic engineering | 5 | 467 | 7 | 4 |
| 520 | Signal Processing | 11 | 466 | 20 | 9 |
| 521 | Nanostructured Materials | 11 | 454 | 38 | 41 |
| 522 | polymerization | 9 | 451 | 34 | 22 |
| 523 | cell membrane | 9 | 447 | 8 | 11 |
| 524 | Adolescent Psychology | 24 | 443 | 18 | 32 |
| 525 | Emergency Medical Services | 34 | 438 | 18 | 34 |
| 526 | environmental exposure | 22 | 437 | 26 | 39 |
| 527 | Coronary heart disease | 25 | 436 | 6 | 3 |
| 528 | children | 5 | 433 | 30 | 8 |
| 529 | Frontotemporal lobar degeneration | 23 | 432 | 4 | 9 |
| 529 | mutation | 10 | 432 | 15 | 22 |
| 531 | Technology | 18 | 428 | 8 | 28 |
| 532 | Disease management | 35 | 426 | 1 | 1 |
| 533 | Electron Microscopy | 8 | 424 | 6 | 1 |
| 534 | Neurovirology | 10 | 423 | 14 | 15 |
| 534 | Personality Assessment | 15 | 423 | 7 | 15 |
| 536 | Radioisotopes | 30 | 421 | 14 | 30 |
| 537 | voice | 45 | 420 | 3 | 22 |
| 538 | Music | 44 | 417 | 2 | 22 |
| 538 | Asia | 25 | 417 | 45 | 39 |
| 540 | Immunohistochemistry | 17 | 415 | 7 | 7 |
| 540 | plant molecular biology | 3 | 415 | 5 | 7 |
| 542 | Pharmacognosy | 11 | 414 | 55 | 45 |
| 542 | violence | 11 | 414 | 16 | 13 |
| 544 | Developmental Disabilities | 13 | 411 | 57 | 82 |
| 545 | Longevity | 4 | 406 | 18 | 6 |
| 546 | health behavior | 31 | 405 | 20 | 39 |
| 547 | cell movement | 8 | 404 | 5 | 5 |
| 548 | Occupational Health | 17 | 403 | 25 | 32 |
| 548 | rejuvenation | 2 | 403 | 16 | 6 |
| 550 | Quality Assurance | 15 | 397 | 5 | 8 |
| 551 | Microscopy | 28 | 394 | 4 | 21 |
| 552 | Elderly | 95 | 393 | 3 | 22 |
| 553 | Semantics | 20 | 392 | 1 | 1 |
| 554 | Cytoskeleton | 9 | 388 | 6 | 4 |
| 555 | Human-Computer Interaction | 8 | 387 | 12 | 10 |
| 556 | Developmental Psychology | 2 | 380 | 70 | 32 |
| 556 | Biomarkers | 18 | 380 | 6 | 15 |
| 558 | Mental Health | 27 | 379 | 49 | 78 |
| 559 | pain management | 34 | 377 | 11 | 57 |
| 560 | Molecular Microbiology | 7 | 372 | 39 | 63 |
| 561 | Cognitive Therapy | 14 | 369 | 11 | 17 |
| 561 | Culture techniques | 18 | 369 | 4 | 7 |
| 563 | Pharmaceutical Technology | 17 | 366 | 8 | 16 |
| 564 | peptides | 10 | 356 | 5 | 5 |
| 565 | gene transfer | 17 | 355 | 2 | 10 |
| 565 | genetic transformation | 17 | 355 | 2 | 10 |
| 567 | Medicinal plants | 9 | 354 | 57 | 46 |
| 568 | Retina | 2 | 353 | 46 | 57 |
| 568 | eye | 2 | 353 | 56 | 59 |
| 570 | RNA | 7 | 345 | 14 | 16 |
| 571 | industrial hygiene | 15 | 344 | 12 | 5 |
| 572 | Parasites | 12 | 341 | 17 | 25 |
| 572 | Growth factors | 5 | 341 | 23 | 28 |
| 574 | Statistical physics | 9 | 339 | 7 | 8 |
| 575 | Personality Disorders | 5 | 323 | 27 | 21 |
| 576 | Cardiovascular Pharmacology | 13 | 318 | 16 | 24 |
| 577 | Production Management | 8 | 316 | 1 | 1 |
| 578 | Optical materials | 5 | 314 | 73 | 64 |
| 579 | Botany | 7 | 307 | 16 | 15 |
| 580 | Atomic spectroscopy | 7 | 305 | 1 | 1 |
| 581 | Neuroanatomy | 3 | 302 | 10 | 8 |
| 582 | Composite Materials | 1 | 301 | 87 | 10 |
| 583 | acupuncture | 24 | 297 | 6 | 1 |
| 584 | Antibacterial agents | 14 | 293 | 53 | 116 |
| 585 | Australia | 6 | 289 | 179 | 101 |
| 586 | Antiviral agents | 6 | 287 | 71 | 43 |
| 587 | Information Retrieval | 1 | 284 | 4 | 2 |
| 587 | Chromatographic analysis | 20 | 284 | 20 | 46 |
| 589 | sexual behavior | 15 | 283 | 2 | 12 |
| 590 | Food | 9 | 281 | 95 | 103 |
| 591 | disabilities | 7 | 279 | 83 | 67 |
| 592 | Cerebrospinal fluid | 6 | 275 | 15 | 10 |
| 593 | Plant physiology | 2 | 274 | 11 | 7 |
| 593 | Mitochondria | 7 | 274 | 14 | 19 |
| 595 | Colloids | 11 | 273 | 51 | 67 |
| 596 | plasma | 4 | 271 | 6 | 2 |
| 597 | transgenic organisms | 3 | 269 | 8 | 3 |
| 597 | transgenic animals | 3 | 269 | 8 | 3 |
| 597 | Transgenic plants | 3 | 269 | 8 | 3 |
| 600 | Plants | 2 | 268 | 11 | 9 |
| 601 | Andrology | 22 | 267 | 21 | 68 |
| 602 | Humanities | 12 | 265 | 2 | 4 |
| 603 | Continuing Education | 55 | 262 | 1 | 2 |
| 604 | Cognitive Behavioral Therapy | 9 | 258 | 7 | 7 |
| 605 | Freeze-Drying | 13 | 255 | 5 | 8 |
| 605 | Hypothermia | 13 | 255 | 5 | 8 |
| 605 | Freeze Drying | 13 | 255 | 5 | 8 |
| 608 | Bioinorganic chemistry | 13 | 253 | 2 | 10 |
| 609 | Synaptic Transmission | 13 | 252 | 24 | 56 |
| 610 | cell proliferation | 5 | 250 | 55 | 41 |
| 611 | rural health | 13 | 248 | 2 | 4 |
| 612 | Cell cycle | 4 | 247 | 60 | 41 |
| 613 | Geriatric Pharmacology | 14 | 246 | 7 | 32 |
| 614 | System analysis | 23 | 245 | 2 | 16 |
| 615 | ethanol | 12 | 235 | 18 | 38 |
| 616 | Cytokine | 4 | 231 | 39 | 42 |
| 617 | health services accessibility | 14 | 228 | 23 | 41 |
| 617 | Bacterial diseases | 4 | 228 | 17 | 15 |
| 619 | Artificial Intelligence | 11 | 227 | 13 | 49 |
| 620 | management | 12 | 226 | 3 | 5 |
| 620 | prostaglandins | 9 | 226 | 30 | 39 |
| 622 | biological evolution | 6 | 223 | 23 | 37 |
| 623 | Public Policy | 15 | 222 | 33 | 69 |
| 624 | Cerebellum | 6 | 221 | 33 | 30 |
| 624 | Cerebellar ataxia | 6 | 221 | 33 | 30 |
| 626 | Nonlinear Dynamics | 8 | 220 | 7 | 7 |
| 626 | marketing | 1 | 220 | 10 | 3 |
| 628 | Computer Graphics | 8 | 218 | 8 | 9 |
| 628 | Surface Chemistry | 11 | 218 | 49 | 74 |
| 628 | monitoring | 18 | 218 | 9 | 17 |
| 631 | Contraception | 8 | 215 | 53 | 62 |
| 632 | Bioenergetics | 6 | 213 | 17 | 27 |
| 633 | Biochemical Genetics | 4 | 212 | 28 | 5 |
| 634 | Cell communication | 10 | 210 | 34 | 77 |
| 635 | Astrophysics | 4 | 208 | 9 | 11 |
| 635 | Physical Chemistry | 10 | 208 | 9 | 20 |
| 635 | occupational diseases | 10 | 208 | 44 | 78 |
| 635 | Neural circuitry | 7 | 208 | 7 | 13 |
| 639 | Congenital heart disease | 33 | 204 | 2 | 3 |
| 640 | professional practice | 20 | 201 | 4 | 4 |
| 641 | Energy metabolism | 5 | 200 | 17 | 27 |
| 642 | Genetic testing | 12 | 198 | 10 | 8 |
| 642 | musculoskeletal system | 4 | 198 | 16 | 8 |
| 644 | Maternal health services | 8 | 196 | 25 | 32 |
| 645 | Social support | 8 | 192 | 11 | 20 |
| 645 | Social environment | 8 | 192 | 11 | 20 |
| 647 | eugenics | 8 | 191 | 25 | 40 |
| 648 | Echocardiography | 10 | 188 | 3 | 16 |
| 649 | Cell survival | 5 | 187 | 6 | 10 |
| 649 | molecular chaperones | 5 | 187 | 6 | 10 |
| 651 | Pediatric Rheumatology | 12 | 186 | 28 | 43 |
| 651 | Chromatography | 13 | 186 | 26 | 70 |
| 653 | urban health | 5 | 184 | 18 | 22 |
| 654 | Microfabrication | 5 | 183 | 9 | 13 |
| 655 | Forensic Pathology | 9 | 182 | 5 | 5 |
| 655 | adolescence | 4 | 182 | 65 | 46 |
| 657 | Library Science | 12 | 181 | 3 | 3 |
| 658 | men | 8 | 180 | 2 | 4 |
| 659 | Cybernetics | 5 | 178 | 17 | 29 |
| 659 | Socioeconomic Factors | 7 | 178 | 18 | 34 |
| 659 | glycoproteins | 5 | 178 | 25 | 38 |
| 659 | Glycoconjugates | 5 | 178 | 25 | 38 |
| 659 | glycolipids | 5 | 178 | 25 | 38 |
| 664 | Genetic markers | 10 | 177 | 5 | 10 |
| 665 | community participation | 2 | 169 | 35 | 10 |
| 665 | Faculty | 2 | 169 | 35 | 10 |
| 667 | Surface-Active Agents | 3 | 166 | 77 | 47 |
| 667 | Surface properties | 3 | 166 | 78 | 47 |
| 669 | Community Psychiatry | 15 | 165 | 58 | 169 |
| 669 | Gene expression | 8 | 165 | 4 | 11 |
| 671 | monoclonal antibodies | 10 | 164 | 6 | 15 |
| 671 | big data | 5 | 164 | 1 | 5 |
| 673 | Religion and Psychology | 11 | 161 | 8 | 13 |
| 674 | Vision | 7 | 160 | 31 | 56 |
| 675 | patient satisfaction | 23 | 159 | 2 | 6 |
| 676 | Agricultural Chemistry | 4 | 157 | 58 | 63 |
| 677 | Genetic Toxicology | 1 | 156 | 70 | 23 |
| 677 | food technology | 6 | 156 | 39 | 83 |
| 677 | Developmental Neurobiology | 5 | 156 | 27 | 33 |
| 680 | exobiology | 1 | 155 | 5 | 1 |
| 681 | Protozoa | 21 | 154 | 1 | 8 |
| 682 | Peptide | 4 | 150 | 11 | 5 |
| 683 | Dialysis | 10 | 149 | 23 | 22 |
| 684 | Oligosaccharide | 4 | 148 | 19 | 33 |
| 684 | Carbohydrates | 4 | 148 | 21 | 35 |
| 686 | Plant Genetics | 1 | 147 | 7 | 4 |
| 686 | Dynamics | 4 | 147 | 2 | 2 |
| 686 | Food Microbiology | 4 | 147 | 49 | 85 |
| 689 | Bacteria | 4 | 146 | 24 | 48 |
| 689 | Pollution | 8 | 146 | 117 | 201 |
| 691 | Health care reform | 12 | 145 | 5 | 8 |
| 691 | Professional ethics | 4 | 145 | 4 | 6 |
| 691 | Androgens | 13 | 145 | 8 | 51 |
| 694 | Nanomedicine | 3 | 144 | 8 | 11 |
| 694 | Pediatric Endocrinology | 14 | 144 | 20 | 40 |
| 696 | Engineering Ethics | 3 | 143 | 3 | 5 |
| 696 | Developmental Immunology | 9 | 143 | 7 | 59 |
| 698 | Soft Condensed Matter | 3 | 142 | 9 | 9 |
| 699 | Hematopoiesis | 6 | 141 | 7 | 8 |
| 699 | Plant cells | 1 | 141 | 19 | 20 |
| 701 | Industrial Engineering | 8 | 140 | 3 | 6 |
| 701 | Pregnancy | 10 | 140 | 89 | 167 |
| 703 | Environmental Psychology | 1 | 138 | 9 | 7 |
| 703 | speech therapy | 8 | 138 | 19 | 35 |
| 705 | Screening | 3 | 137 | 27 | 14 |
| 706 | Cell migration | 3 | 135 | 6 | 11 |
| 706 | Cell adhesion | 3 | 135 | 13 | 16 |
| 708 | Mathematical Physics | 2 | 134 | 16 | 7 |
| 709 | environmental pollution | 7 | 131 | 106 | 172 |
| 710 | natural products | 4 | 129 | 62 | 33 |
| 711 | Radiation Protection | 5 | 128 | 47 | 31 |
| 712 | Plant Ecology | 1 | 127 | 6 | 7 |
| 713 | Yeast | 5 | 126 | 4 | 7 |
| 714 | Automation | 5 | 124 | 4 | 9 |
| 715 | Kidney transplantation | 7 | 123 | 23 | 23 |
| 716 | child mental health | 15 | 120 | 8 | 23 |
| 717 | Anthropology | 7 | 119 | 10 | 23 |
| 717 | Social Psychology | 9 | 119 | 31 | 106 |
| 717 | Globalization | 3 | 119 | 9 | 22 |
| 717 | Quantum theory | 1 | 119 | 1 | 1 |
| 717 | mathematical analysis | 2 | 119 | 2 | 1 |
| 722 | Apoptosis | 2 | 118 | 43 | 28 |
| 722 | neurotoxins | 2 | 118 | 43 | 28 |
| 722 | Neurotoxic agents | 2 | 118 | 43 | 28 |
| 722 | Nerve regeneration | 2 | 118 | 43 | 28 |
| 726 | Herbal medicine | 3 | 117 | 139 | 139 |
| 726 | Biofilms | 2 | 117 | 15 | 20 |
| 726 | Psychiatric hospitals | 11 | 117 | 34 | 58 |
| 729 | Acoustics | 27 | 116 | 2 | 4 |
| 729 | Mobile genetic elements | 3 | 116 | 5 | 2 |
| 731 | Acoustic holography | 26 | 115 | 1 | 2 |
| 731 | Holography | 26 | 115 | 1 | 2 |
| 731 | Acoustic imaging | 26 | 115 | 1 | 2 |
| 734 | orphan drugs | 14 | 110 | 1 | 3 |
| 734 | international cooperation | 2 | 110 | 21 | 25 |
| 736 | Cochlear Implants | 8 | 109 | 9 | 11 |
| 736 | fuel cells | 1 | 109 | 6 | 6 |
| 738 | Photochemistry | 4 | 108 | 54 | 77 |
| 738 | Integrative Medicine | 6 | 108 | 40 | 33 |
| 738 | Light | 4 | 108 | 41 | 69 |
| 741 | air quality | 1 | 107 | 9 | 2 |
| 741 | Family Therapy | 9 | 107 | 27 | 48 |
| 743 | breastfeeding | 10 | 106 | 24 | 73 |
| 744 | Computational Chemistry | 1 | 105 | 11 | 4 |
| 744 | Engineering Mathematics | 9 | 105 | 4 | 11 |
| 744 | Food additives | 6 | 105 | 13 | 42 |
| 744 | Metabolic disorders in children | 12 | 105 | 17 | 40 |
| 748 | Clinical Laboratory Science | 7 | 104 | 53 | 63 |
| 748 | Neonatology | 5 | 104 | 113 | 178 |
| 748 | Molecular evolution | 4 | 104 | 32 | 64 |
| 748 | Digital humanities | 1 | 104 | 2 | 2 |
| 752 | Meteorology | 3 | 103 | 36 | 66 |
| 752 | Environmental Engineering | 5 | 103 | 92 | 205 |
| 752 | Reproductive health | 8 | 103 | 92 | 183 |
| 755 | Germany | 3 | 102 | 19 | 3 |
| 755 | Hippocampus | 3 | 102 | 24 | 45 |
| 757 | Autism | 5 | 100 | 83 | 178 |
| 758 | Ion channels | 7 | 99 | 3 | 8 |
| 759 | Simulation Methods | 3 | 98 | 7 | 5 |
| 760 | Pediatric Nursing | 9 | 97 | 46 | 92 |
| 760 | Total Quality Management | 11 | 97 | 1 | 6 |
| 760 | Appetite | 2 | 97 | 72 | 77 |
| 763 | Electrochemistry | 11 | 96 | 16 | 37 |
| 764 | Obstetric Nursing | 5 | 95 | 49 | 56 |
| 764 | drug resistance | 6 | 95 | 92 | 224 |
| 764 | Multimedia Systems | 5 | 95 | 5 | 5 |
| 767 | Mechanical Engineering | 1 | 93 | 55 | 11 |
| 768 | Lymphatic system | 5 | 92 | 17 | 22 |
| 769 | Post-traumatic stress disorder | 7 | 91 | 55 | 150 |
| 770 | Veterinary Immunology | 4 | 89 | 7 | 10 |
| 771 | Educational Psychology | 7 | 88 | 15 | 33 |
| 771 | Student Health Services | 3 | 88 | 10 | 16 |
| 771 | biopolymers | 2 | 88 | 50 | 43 |
| 774 | bioluminescence | 1 | 87 | 15 | 3 |
| 774 | Intellectual disability | 7 | 87 | 64 | 132 |
| 776 | Numerical Analysis | 7 | 86 | 5 | 16 |
| 776 | mathematical concepts | 7 | 86 | 4 | 11 |
| 778 | nuclear magnetic resonance spectroscopy | 9 | 85 | 6 | 20 |
| 779 | Combinatorial chemistry | 5 | 84 | 25 | 86 |
| 780 | Environmental Policy | 4 | 83 | 98 | 211 |
| 780 | Environmental Law | 4 | 83 | 84 | 198 |
| 780 | Evolutionary Genetics | 3 | 83 | 58 | 66 |
| 780 | Molecular Epidemiology | 3 | 83 | 58 | 66 |
| 780 | environmental protection | 4 | 83 | 183 | 277 |
| 780 | Cell division | 4 | 83 | 29 | 66 |
| 786 | Human physiology | 3 | 82 | 2 | 2 |
| 786 | Condensed Matter | 2 | 82 | 9 | 10 |
| 788 | epidemiologic methods | 20 | 81 | 1 | 8 |
| 789 | Metabolic syndrome | 4 | 80 | 59 | 61 |
| 790 | Chronobiology | 3 | 79 | 49 | 68 |
| 790 | biological clocks | 3 | 79 | 49 | 68 |
| 790 | circadian rhythm | 3 | 79 | 49 | 68 |
| 790 | biological rhythms | 3 | 79 | 48 | 68 |
| 790 | harm reduction | 2 | 79 | 39 | 38 |
| 795 | cross-cultural comparison | 5 | 77 | 57 | 90 |
| 796 | Cognitive Science | 5 | 76 | 44 | 110 |
| 797 | Geriatric Nursing | 10 | 75 | 7 | 35 |
| 797 | Psychiatric Nursing | 8 | 75 | 26 | 105 |
| 797 | Technological Innovations | 7 | 75 | 3 | 7 |
| 800 | Teratology | 1 | 74 | 102 | 83 |
| 800 | disease vectors | 3 | 74 | 48 | 69 |
| 800 | abnormalities | 1 | 74 | 70 | 60 |
| 803 | Robotics | 6 | 73 | 14 | 32 |
| 803 | Family | 5 | 73 | 44 | 83 |
| 805 | Economic History | 1 | 72 | 14 | 9 |
| 805 | Business | 1 | 72 | 5 | 7 |
| 805 | Pathogens | 2 | 72 | 4 | 7 |
| 805 | Jurisprudence | 6 | 72 | 41 | 55 |
| 809 | Imaging systems | 3 | 71 | 8 | 9 |
| 809 | Stress | 3 | 71 | 11 | 27 |
| 811 | Photonics | 4 | 70 | 37 | 75 |
| 811 | Pastoral Theology | 10 | 70 | 2 | 2 |
| 811 | Consciousness | 3 | 70 | 24 | 40 |
| 814 | Socialization | 3 | 69 | 4 | 14 |
| 814 | Drug delivery devices | 2 | 69 | 21 | 38 |
| 814 | Statistical models | 3 | 69 | 5 | 4 |
| 814 | Liquid chromatography | 2 | 69 | 25 | 10 |
| 818 | Analytical Toxicology | 3 | 68 | 27 | 41 |
| 818 | Body Image | 2 | 68 | 19 | 33 |
| 818 | Biomolecules | 2 | 68 | 37 | 44 |
| 821 | stem cell transplantation | 3 | 67 | 30 | 19 |
| 822 | Circadian rhythms | 2 | 66 | 64 | 75 |
| 822 | Documentation | 2 | 66 | 1 | 2 |
| 822 | allied health | 6 | 66 | 9 | 47 |
| 825 | Access to Information | 2 | 65 | 5 | 10 |
| 825 | child sexual abuse | 3 | 65 | 8 | 11 |
| 825 | Information dissemination | 2 | 65 | 5 | 10 |
| 828 | chromatin | 5 | 64 | 5 | 29 |
| 829 | Communication Disorders | 5 | 63 | 28 | 61 |
| 829 | internet | 10 | 63 | 9 | 47 |
| 831 | Radiologic Technology | 5 | 62 | 18 | 35 |
| 831 | Interventional Radiology | 5 | 62 | 18 | 35 |
| 831 | Interventional Radiography | 5 | 62 | 18 | 35 |
| 831 | Endoscopic Surgery | 5 | 62 | 18 | 35 |
| 831 | mammals | 6 | 62 | 30 | 62 |
| 836 | language therapy | 1 | 61 | 10 | 10 |
| 836 | Insects | 3 | 61 | 6 | 13 |
| 836 | amino acids | 3 | 61 | 41 | 82 |
| 839 | ethnicity | 4 | 60 | 11 | 30 |
| 839 | health and race | 4 | 60 | 8 | 28 |
| 841 | Peroxisomes | 2 | 59 | 3 | 16 |
| 842 | cough | 1 | 58 | 12 | 13 |
| 843 | History of Medicine | 7 | 57 | 1 | 1 |
| 844 | Hepatitis | 1 | 56 | 2 | 1 |
| 845 | Biomass Energy | 1 | 55 | 23 | 35 |
| 845 | biofuels | 1 | 55 | 2 | 7 |
| 845 | Structure-activity relationship | 1 | 55 | 16 | 11 |
| 848 | Information Technology | 4 | 53 | 62 | 108 |
| 848 | medical errors | 3 | 53 | 17 | 33 |
| 848 | Scheduling | 1 | 53 | 1 | 1 |
| 848 | Production Scheduling | 1 | 53 | 1 | 1 |
| 848 | safety | 3 | 53 | 17 | 33 |
| 853 | vitamins | 4 | 52 | 8 | 32 |
| 854 | Plant Biotechnology | 1 | 51 | 5 | 10 |
| 854 | Computational Intelligence | 4 | 51 | 2 | 7 |
| 854 | Algae | 1 | 51 | 5 | 6 |
| 854 | Information management | 1 | 51 | 22 | 8 |
| 854 | Seaweed | 1 | 51 | 4 | 5 |
| 859 | Sexuality | 4 | 50 | 16 | 34 |
| 860 | elasticity | 1 | 49 | 1 | 2 |
| 860 | homosexuality | 4 | 49 | 22 | 52 |
| 862 | Evidence-based practice | 10 | 47 | 4 | 7 |
| 862 | Human biology | 4 | 47 | 27 | 86 |
| 864 | Systems Engineering | 6 | 46 | 2 | 33 |
| 864 | Bioremediation | 1 | 46 | 4 | 5 |
| 864 | Biodegradation | 1 | 46 | 13 | 16 |
| 864 | Marriage | 5 | 46 | 18 | 82 |
| 864 | Culture | 1 | 46 | 45 | 28 |
| 864 | Marriage counseling | 5 | 46 | 19 | 78 |
| 864 | Scanning electron microscopy | 2 | 46 | 8 | 9 |
| 871 | Pharmacy management | 5 | 45 | 17 | 52 |
| 871 | disease susceptibility | 2 | 45 | 13 | 43 |
| 871 | symptoms | 2 | 45 | 13 | 43 |
| 874 | radiation monitoring | 4 | 44 | 53 | 82 |
| 874 | Respiratory Infections | 6 | 44 | 52 | 201 |
| 876 | biobanks | 6 | 42 | 6 | 30 |
| 876 | Interferons | 1 | 42 | 96 | 80 |
| 878 | Malaria | 2 | 41 | 97 | 147 |
| 879 | Altitude Sickness | 7 | 40 | 8 | 58 |
| 879 | Microfluidics | 2 | 40 | 6 | 20 |
| 879 | Synthetic biology | 2 | 40 | 7 | 18 |
| 879 | Altitude | 7 | 40 | 8 | 58 |
| 879 | Cannabis | 5 | 40 | 1 | 16 |
| 879 | cannabinoids | 5 | 40 | 1 | 16 |
| 885 | men's health | 11 | 39 | 1 | 4 |
| 885 | evaluation | 5 | 39 | 3 | 8 |
| 887 | Social behavior | 3 | 38 | 35 | 103 |
| 887 | food industry | 2 | 38 | 15 | 15 |
| 889 | role | 2 | 37 | 7 | 15 |
| 889 | pharmaceutical industry | 3 | 37 | 22 | 52 |
| 889 | Suicide | 4 | 37 | 43 | 149 |
| 892 | caffeine | 1 | 36 | 7 | 5 |
| 892 | venom | 6 | 36 | 23 | 114 |
| 892 | Toxins | 6 | 36 | 25 | 115 |
| 895 | Food Safety | 1 | 35 | 9 | 9 |
| 895 | Risk Management | 5 | 35 | 20 | 35 |
| 895 | Genetic Research | 2 | 35 | 36 | 58 |
| 895 | Organometallic chemistry | 4 | 35 | 6 | 21 |
| 895 | ethnic groups | 3 | 35 | 8 | 47 |
| 895 | disease outbreaks | 3 | 35 | 108 | 287 |
| 895 | Epidemics | 3 | 35 | 100 | 283 |
| 902 | Experimental Design | 3 | 34 | 3 | 7 |
| 902 | Palynology | 1 | 34 | 8 | 11 |
| 902 | Highway Engineering | 1 | 34 | 1 | 1 |
| 902 | Quality Control | 3 | 34 | 23 | 64 |
| 902 | Nanophotonics | 1 | 34 | 6 | 9 |
| 902 | Radiopharmaceuticals | 6 | 34 | 27 | 44 |
| 902 | Program Evaluation | 4 | 34 | 4 | 11 |
| 902 | Hypertension in pregnancy | 2 | 34 | 90 | 97 |
| 902 | Vocational guidance | 3 | 34 | 12 | 39 |
| 902 | Regulation | 1 | 34 | 4 | 11 |
| 902 | educational innovations | 3 | 34 | 3 | 8 |
| 902 | Bereavement | 3 | 34 | 7 | 14 |
| 902 | brain diseases | 3 | 34 | 1 | 13 |
| 915 | Visual Communication | 2 | 33 | 16 | 9 |
| 915 | Cosmology | 1 | 33 | 2 | 3 |
| 915 | Public Health Administration | 4 | 33 | 15 | 31 |
| 915 | Medical Illustration | 2 | 33 | 16 | 5 |
| 915 | nuclear astrophysics | 1 | 33 | 2 | 3 |
| 915 | pediatric pharmacology | 2 | 33 | 61 | 35 |
| 915 | Synapses | 3 | 33 | 29 | 81 |
| 915 | drug control | 3 | 33 | 49 | 111 |
| 923 | Cognitive Psychology | 1 | 32 | 10 | 14 |
| 923 | Morphology | 2 | 32 | 42 | 68 |
| 923 | Regeneration | 1 | 32 | 50 | 34 |
| 923 | Africa | 4 | 32 | 66 | 80 |
| 927 | Chemical Ecology | 1 | 31 | 4 | 8 |
| 927 | Environmental Chemistry | 1 | 31 | 32 | 48 |
| 927 | Immunotoxicology | 2 | 31 | 49 | 84 |
| 927 | pheromones | 1 | 31 | 3 | 8 |
| 927 | toxicity testing | 3 | 31 | 79 | 162 |
| 927 | Microwave devices | 2 | 31 | 2 | 1 |
| 927 | Biodiversity | 1 | 31 | 71 | 78 |
| 934 | Environmental Geology | 1 | 30 | 2 | 3 |
| 934 | Feasibility studies | 4 | 30 | 61 | 96 |
| 934 | Oligosaccharides | 1 | 30 | 49 | 73 |
| 934 | Detectors | 3 | 30 | 24 | 85 |
| 934 | planning | 5 | 30 | 2 | 36 |
| 934 | weight loss | 3 | 30 | 32 | 50 |
| 940 | Anthropological Linguistics | 5 | 29 | 7 | 30 |
| 940 | Neuroimaging | 2 | 29 | 61 | 83 |
| 940 | Psychometrics | 1 | 29 | 21 | 19 |
| 940 | Health Physics | 2 | 29 | 38 | 42 |
| 940 | embryonic development | 2 | 29 | 47 | 103 |
| 940 | Social problems | 2 | 29 | 16 | 31 |
| 940 | optical phenomena | 1 | 29 | 28 | 32 |
| 947 | Ocular Motility Disorders | 8 | 28 | 2 | 2 |
| 947 | Sonochemistry | 1 | 28 | 27 | 38 |
| 947 | Pacific Islands | 1 | 28 | 65 | 50 |
| 947 | family violence | 2 | 28 | 43 | 89 |
| 951 | Chemical Engineering | 3 | 27 | 175 | 287 |
| 952 | economic forecasting | 1 | 26 | 1 | 1 |
| 952 | Forecasting | 1 | 26 | 4 | 2 |
| 952 | Hemodialysis | 3 | 26 | 36 | 13 |
| 952 | Environmental pollutants | 3 | 26 | 216 | 373 |
| 956 | Risk assessment | 1 | 25 | 12 | 24 |
| 956 | ecological risk assessment | 1 | 25 | 2 | 5 |
| 956 | Patient Safety | 3 | 25 | 30 | 49 |
| 956 | Exercise therapy | 2 | 25 | 26 | 67 |
| 956 | Health Risk Assessment | 1 | 25 | 47 | 43 |
| 956 | city planning | 1 | 25 | 10 | 22 |
| 962 | Marine Biology | 1 | 24 | 33 | 46 |
| 962 | Mobile Computing | 1 | 24 | 7 | 14 |
| 962 | Wireless Communication Systems | 1 | 24 | 14 | 21 |
| 962 | Occupational exposure | 2 | 24 | 5 | 9 |
| 962 | Marine biodiversity | 1 | 24 | 2 | 1 |
| 967 | Cross-Cultural Studies | 3 | 23 | 100 | 214 |
| 967 | Invertebrates | 1 | 23 | 12 | 11 |
| 967 | NMR | 3 | 23 | 3 | 6 |
| 967 | recreation | 3 | 23 | 9 | 37 |
| 967 | magnetic resonance | 3 | 23 | 8 | 13 |
| 967 | Nitric oxide | 4 | 23 | 15 | 100 |
| 967 | Zoonoses | 1 | 23 | 38 | 69 |
| 974 | School Psychology | 2 | 22 | 29 | 66 |
| 974 | Nonverbal Communication | 1 | 22 | 23 | 33 |
| 974 | Computational Complexity | 1 | 22 | 5 | 9 |
| 974 | Microwaves | 3 | 22 | 8 | 25 |
| 974 | Informatics | 3 | 22 | 15 | 61 |
| 974 | women | 4 | 22 | 15 | 83 |
| 980 | Fluid Dynamics | 2 | 21 | 3 | 11 |
| 980 | Public Administration | 2 | 21 | 2 | 14 |
| 980 | Computer-Aided Design | 5 | 21 | 4 | 40 |
| 980 | Cellular senescence | 2 | 21 | 40 | 171 |
| 984 | sanitation | 1 | 20 | 90 | 131 |
| 984 | Electrochemical Analysis | 1 | 20 | 45 | 55 |
| 984 | Retinal diseases | 1 | 20 | 49 | 16 |
| 984 | families | 2 | 20 | 53 | 121 |
| 984 | psychiatric disorders | 2 | 20 | 9 | 16 |
| 984 | school psychologists | 1 | 20 | 18 | 34 |
| 984 | Birth control | 2 | 20 | 52 | 146 |
| 984 | Allergies | 2 | 20 | 56 | 151 |
| 992 | Dyslexia | 1 | 19 | 14 | 25 |
| 992 | elder abuse | 1 | 19 | 54 | 69 |
| 992 | Nutrigenomics | 1 | 19 | 14 | 39 |
| 992 | Psychiatric Epidemiology | 1 | 19 | 236 | 357 |
| 992 | Immune response | 3 | 19 | 6 | 16 |
| 992 | Entomology | 2 | 19 | 23 | 50 |
| 998 | Sustainable Development | 1 | 18 | 11 | 30 |
| 998 | occupational health and safety | 2 | 18 | 11 | 23 |
| 998 | community development | 1 | 18 | 3 | 7 |
