| 1 | Neurology | 6,690 | 477.1K | 7 | 9 |
| 2 | Medicine | 4,731 | 424.8K | 29 | 21 |
| 3 | Science | 1,913 | 192.7K | 150 | 151 |
| 4 | Hematology | 4,065 | 189.6K | 4 | 8 |
| 5 | Molecular Biology | 1,899 | 176.9K | 88 | 60 |
| 6 | Biology | 2,304 | 171.2K | 113 | 166 |
| 7 | Endocrinology | 1,901 | 165.2K | 7 | 4 |
| 8 | Surgery | 1,045 | 160.9K | 4 | 5 |
| 9 | Biochemistry | 2,916 | 153.1K | 91 | 80 |
| 10 | Metabolism | 1,456 | 143.8K | 5 | 4 |
| 11 | Metabolic diseases | 1,306 | 131.9K | 5 | 4 |
| 12 | Physics | 732 | 131.3K | 539 | 239 |
| 13 | Liver diseases | 1,073 | 126.4K | 1 | 1 |
| 14 | Cardiovascular system | 1,251 | 125.4K | 4 | 3 |
| 15 | Human genetics | 532 | 118.2K | 38 | 45 |
| 16 | Hypertension | 1,148 | 112.3K | 3 | 3 |
| 17 | Urology | 2,223 | 100.9K | 2 | 1 |
| 18 | Nervous system | 769 | 96.8K | 11 | 6 |
| 19 | Medical genetics | 1,145 | 90.0K | 20 | 23 |
| 20 | Alzheimer's disease | 1,287 | 89.3K | 4 | 1 |
| 21 | Natural history | 165 | 87.7K | 314 | 168 |
| 22 | Pediatric Neurology | 474 | 86.1K | 6 | 3 |
| 23 | Dementia | 1,205 | 84.9K | 4 | 1 |
| 24 | Cell Biology | 695 | 81.6K | 104 | 100 |
| 25 | Cytology | 638 | 80.7K | 140 | 105 |
| 26 | Research | 1,749 | 72.6K | 98 | 96 |
| 27 | Cancer | 1,232 | 70.9K | 18 | 26 |
| 28 | Microbiology | 883 | 63.3K | 153 | 132 |
| 29 | Dermatology | 1,306 | 60.4K | 3 | 2 |
| 30 | Genetics | 618 | 60.1K | 88 | 81 |
| 31 | Orthopedics | 1,104 | 60.0K | 1 | 1 |
| 32 | Physiology | 1,202 | 59.1K | 36 | 38 |
| 33 | Leukemia | 686 | 58.5K | 4 | 1 |
| 34 | Biophysics | 1,569 | 53.1K | 40 | 49 |
| 35 | Pathology | 992 | 52.5K | 10 | 6 |
| 36 | Medical Oncology | 1,089 | 51.9K | 5 | 7 |
| 37 | Virology | 326 | 47.8K | 150 | 114 |
| 38 | Chemistry | 669 | 47.0K | 591 | 428 |
| 39 | Epidemiology | 475 | 46.9K | 77 | 39 |
| 40 | Immunology | 851 | 45.5K | 50 | 85 |
| 41 | Transplantation | 764 | 44.4K | 6 | 8 |
| 42 | Radiobiology | 804 | 44.0K | 9 | 8 |
| 43 | Pharmacology | 837 | 43.6K | 113 | 60 |
| 44 | Oncology | 657 | 42.9K | 10 | 17 |
| 45 | Nutrition | 960 | 39.2K | 13 | 22 |
| 46 | Neurobiology | 466 | 37.0K | 20 | 22 |
| 47 | Neurophysiology | 418 | 34.0K | 104 | 87 |
| 48 | Neurons | 79 | 32.9K | 69 | 32 |
| 49 | Psychiatry | 583 | 32.5K | 126 | 116 |
| 50 | Pharmaceutical Chemistry | 655 | 31.2K | 37 | 37 |
| 51 | Clinical Chemistry | 744 | 30.7K | 8 | 18 |
| 52 | Critical Care | 408 | 30.5K | 14 | 17 |
| 53 | Critical Care Medicine | 390 | 30.4K | 19 | 17 |
| 54 | arthritis | 395 | 29.1K | 12 | 10 |
| 55 | Medical Physics | 922 | 28.8K | 11 | 12 |
| 56 | Public Health | 626 | 28.5K | 142 | 141 |
| 57 | Diabetes mellitus | 379 | 27.9K | 29 | 28 |
| 58 | Diabetes | 393 | 27.7K | 33 | 32 |
| 59 | Pediatrics | 627 | 27.6K | 55 | 68 |
| 60 | Sleep | 466 | 27.6K | 13 | 8 |
| 61 | Ophthalmology | 591 | 27.0K | 16 | 17 |
| 62 | Diagnostic microbiology | 409 | 26.7K | 7 | 11 |
| 63 | Sleep Disorders | 461 | 26.3K | 13 | 8 |
| 64 | Chronic diseases | 155 | 25.7K | 20 | 18 |
| 65 | medical education | 517 | 25.5K | 11 | 6 |
| 66 | Therapeutics | 371 | 23.8K | 17 | 16 |
| 67 | Cytogenetics | 207 | 22.7K | 46 | 46 |
| 68 | Rheumatology | 330 | 22.6K | 9 | 10 |
| 69 | Obstetrics | 648 | 22.3K | 35 | 37 |
| 70 | drug therapy | 437 | 21.9K | 36 | 24 |
| 71 | Respiration | 511 | 21.5K | 6 | 10 |
| 72 | Immunity | 162 | 21.3K | 132 | 118 |
| 73 | Aging | 456 | 20.9K | 50 | 45 |
| 74 | diseases | 43 | 20.4K | 11 | 9 |
| 75 | Environment | 397 | 20.3K | 179 | 280 |
| 76 | Disease | 41 | 19.8K | 9 | 7 |
| 77 | Oncogenes | 176 | 18.6K | 32 | 21 |
| 78 | Radiography | 411 | 18.2K | 5 | 12 |
| 79 | rehabilitation | 489 | 18.2K | 17 | 20 |
| 80 | Digestive system diseases | 532 | 17.6K | 1 | 1 |
| 81 | Muscles | 391 | 17.4K | 1 | 1 |
| 82 | Genetic engineering | 120 | 17.3K | 110 | 16 |
| 83 | Biomedical Engineering | 427 | 16.7K | 132 | 127 |
| 84 | Heart Failure | 264 | 16.7K | 4 | 3 |
| 85 | Genomics | 356 | 16.3K | 65 | 65 |
| 86 | Neuromuscular diseases | 378 | 16.0K | 1 | 1 |
| 87 | Geriatrics | 424 | 15.8K | 82 | 74 |
| 88 | Physical Therapy | 440 | 15.5K | 6 | 12 |
| 89 | Radiology | 546 | 15.4K | 3 | 3 |
| 90 | Recombinant DNA | 83 | 15.1K | 73 | 5 |
| 91 | Brain | 319 | 15.0K | 113 | 124 |
| 92 | Obesity | 271 | 14.6K | 52 | 48 |
| 93 | Molecular cloning | 76 | 14.5K | 64 | 5 |
| 94 | Genetic recombination | 74 | 14.5K | 64 | 5 |
| 95 | Kidney diseases | 234 | 14.1K | 9 | 4 |
| 96 | Allergy | 255 | 13.6K | 24 | 80 |
| 97 | Biocompatible Materials | 226 | 13.5K | 307 | 270 |
| 98 | Nephrology | 195 | 13.4K | 9 | 3 |
| 99 | Medical Microbiology | 162 | 13.0K | 126 | 83 |
| 100 | Parenteral nutrition | 245 | 12.8K | 2 | 18 |
| 101 | transport vesicles | 18 | 12.5K | 30 | 62 |
| 102 | Biotechnology | 157 | 12.4K | 653 | 445 |
| 103 | cell physiology | 176 | 12.2K | 56 | 51 |
| 104 | Mental Disorders | 232 | 12.0K | 150 | 165 |
| 105 | Medical innovations | 132 | 12.0K | 24 | 33 |
| 106 | Orthopedic Surgery | 232 | 11.9K | 2 | 1 |
| 107 | Genetic therapy | 273 | 11.8K | 9 | 14 |
| 108 | Bones | 135 | 11.8K | 9 | 5 |
| 109 | drug development | 137 | 11.7K | 25 | 33 |
| 110 | Electrophysiology | 415 | 11.3K | 3 | 2 |
| 111 | Biomechanics | 194 | 11.3K | 25 | 24 |
| 112 | Bioengineering | 148 | 11.3K | 379 | 336 |
| 113 | Neurochemistry | 249 | 10.9K | 97 | 116 |
| 114 | Sports Medicine | 509 | 10.5K | 19 | 76 |
| 115 | nucleic acids | 140 | 10.3K | 119 | 162 |
| 116 | gene therapy | 211 | 10.1K | 13 | 22 |
| 117 | viruses | 177 | 10.1K | 91 | 113 |
| 118 | Attention | 258 | 10.1K | 57 | 49 |
| 119 | Vaccines | 292 | 10.0K | 28 | 35 |
| 120 | Neurosurgery | 232 | 10.0K | 6 | 13 |
| 121 | Memory | 249 | 9.9K | 64 | 78 |
| 122 | Visual Perception | 247 | 9.8K | 56 | 47 |
| 122 | Perception | 247 | 9.8K | 77 | 67 |
| 124 | gene mapping | 142 | 9.8K | 88 | 96 |
| 125 | pain | 254 | 9.8K | 32 | 60 |
| 126 | Clinical Biochemistry | 278 | 9.7K | 4 | 8 |
| 127 | Behavior | 231 | 9.2K | 169 | 226 |
| 128 | Immunotherapy | 135 | 9.2K | 82 | 103 |
| 129 | Hemodynamics | 177 | 9.0K | 5 | 8 |
| 130 | Thrombosis | 170 | 8.9K | 16 | 16 |
| 131 | Pancreatic diseases | 187 | 8.7K | 1 | 3 |
| 132 | Psychophysiology | 127 | 8.7K | 332 | 246 |
| 133 | Emergency Medicine | 373 | 8.6K | 11 | 22 |
| 134 | Diagnostic Imaging | 184 | 8.6K | 65 | 56 |
| 135 | Cardiovascular diseases | 300 | 8.6K | 11 | 16 |
| 136 | Cell differentiation | 152 | 8.6K | 109 | 192 |
| 137 | Enteral nutrition | 132 | 8.4K | 6 | 24 |
| 138 | Primary health care | 340 | 8.1K | 13 | 22 |
| 139 | Cell metabolism | 38 | 8.1K | 57 | 54 |
| 140 | Homeostasis | 34 | 8.0K | 55 | 54 |
| 141 | Stem cells | 216 | 8.0K | 29 | 44 |
| 142 | Immune system | 60 | 7.8K | 109 | 148 |
| 143 | Tropical Medicine | 338 | 7.7K | 8 | 13 |
| 144 | cardiac catheterization | 358 | 7.5K | 1 | 4 |
| 145 | Developmental Biology | 95 | 7.4K | 238 | 222 |
| 146 | fertility | 184 | 7.3K | 28 | 47 |
| 147 | Infertility | 183 | 7.3K | 27 | 46 |
| 148 | vascular diseases | 96 | 7.2K | 27 | 16 |
| 149 | Health | 190 | 7.2K | 89 | 87 |
| 150 | United States | 333 | 7.1K | 265 | 357 |
| 151 | Thorax | 185 | 7.1K | 12 | 8 |
| 152 | Health Services Research | 108 | 7.0K | 128 | 57 |
| 153 | Lung Transplantation | 161 | 6.9K | 14 | 21 |
| 153 | Heart transplantation | 161 | 6.9K | 14 | 21 |
| 155 | Health Policy | 136 | 6.9K | 144 | 82 |
| 156 | Host-parasite interactions | 36 | 6.9K | 250 | 107 |
| 157 | Chromosome mapping | 108 | 6.8K | 99 | 78 |
| 158 | Biochemical Engineering | 42 | 6.7K | 864 | 442 |
| 159 | genome | 116 | 6.7K | 87 | 188 |
| 160 | Nanotechnology | 101 | 6.6K | 931 | 718 |
| 161 | Clinical Immunology | 270 | 6.5K | 13 | 20 |
| 162 | Child | 370 | 6.5K | 52 | 97 |
| 163 | Statistics | 126 | 6.3K | 262 | 163 |
| 164 | Bacterial infections | 26 | 6.3K | 132 | 41 |
| 165 | Mental illness | 124 | 6.3K | 144 | 184 |
| 166 | Psychology | 200 | 6.3K | 409 | 421 |
| 167 | blood transfusion | 234 | 6.2K | 15 | 16 |
| 168 | Psychopharmacology | 85 | 6.2K | 166 | 134 |
| 169 | Pharmacogenetics | 148 | 6.1K | 12 | 22 |
| 170 | mycoses | 24 | 6.0K | 143 | 44 |
| 171 | Bacteriology | 88 | 6.0K | 212 | 193 |
| 172 | Diet | 103 | 5.9K | 192 | 194 |
| 173 | Computational Biology | 158 | 5.9K | 129 | 239 |
| 174 | Anatomy | 129 | 5.8K | 130 | 162 |
| 175 | Ultrasonics | 162 | 5.8K | 12 | 15 |
| 176 | Ultrasound | 135 | 5.7K | 11 | 9 |
| 177 | Toxicology | 123 | 5.6K | 586 | 469 |
| 178 | epilepsy | 181 | 5.6K | 12 | 16 |
| 179 | Neuropsychology | 163 | 5.5K | 136 | 169 |
| 180 | Genetic regulation | 72 | 5.5K | 94 | 117 |
| 181 | General Surgery | 185 | 5.4K | 11 | 7 |
| 182 | Gerontology | 189 | 5.3K | 108 | 77 |
| 183 | Chemotherapy | 162 | 5.3K | 29 | 35 |
| 184 | Speech Disorders | 131 | 5.1K | 74 | 50 |
| 185 | Hormones | 86 | 5.1K | 73 | 47 |
| 186 | Smoking | 117 | 5.1K | 40 | 35 |
| 187 | Radio | 95 | 5.0K | 170 | 152 |
| 188 | human behavior | 61 | 4.9K | 371 | 292 |
| 189 | Spine | 114 | 4.9K | 22 | 35 |
| 190 | Cardiac electrophysiology | 142 | 4.8K | 1 | 1 |
| 190 | arrhythmia | 142 | 4.8K | 1 | 1 |
| 192 | Sound | 95 | 4.7K | 41 | 30 |
| 193 | Ferroelectricity | 92 | 4.7K | 59 | 11 |
| 194 | Radio frequency | 90 | 4.7K | 14 | 8 |
| 195 | Immunopathology | 155 | 4.7K | 36 | 64 |
| 196 | Medical Technology | 143 | 4.6K | 16 | 30 |
| 197 | free radicals | 23 | 4.5K | 397 | 113 |
| 198 | Antioxidants | 18 | 4.5K | 183 | 28 |
| 199 | Bioinformatics | 147 | 4.3K | 106 | 247 |
| 200 | Otolaryngology | 163 | 4.3K | 13 | 18 |
| 201 | Radiotherapy | 183 | 4.3K | 3 | 3 |
| 202 | Education | 88 | 4.3K | 455 | 250 |
| 203 | infection | 98 | 4.3K | 105 | 96 |
| 204 | Women's health | 206 | 4.2K | 16 | 29 |
| 205 | Adolescent | 245 | 4.2K | 74 | 125 |
| 206 | Psychosomatic Medicine | 183 | 4.0K | 7 | 56 |
| 207 | Quality of life | 66 | 4.0K | 94 | 79 |
| 208 | Molecular structure | 48 | 4.0K | 356 | 197 |
| 209 | North America | 104 | 4.0K | 28 | 10 |
| 210 | Sexual health | 266 | 3.9K | 2 | 16 |
| 211 | Genetic epidemiology | 105 | 3.8K | 11 | 12 |
| 211 | heredity | 105 | 3.8K | 14 | 13 |
| 213 | Medical Laboratory Science | 96 | 3.8K | 150 | 226 |
| 214 | Health Education | 135 | 3.8K | 123 | 132 |
| 215 | proteins | 103 | 3.8K | 150 | 182 |
| 216 | Autoimmunity | 88 | 3.8K | 24 | 41 |
| 217 | Neuropsychiatry | 80 | 3.6K | 39 | 34 |
| 218 | Gene expression regulation | 49 | 3.6K | 116 | 134 |
| 219 | Infections | 68 | 3.6K | 82 | 93 |
| 220 | Image Processing | 42 | 3.5K | 499 | 260 |
| 221 | locomotion | 54 | 3.5K | 28 | 20 |
| 221 | posture | 54 | 3.5K | 28 | 20 |
| 221 | gait | 54 | 3.5K | 28 | 20 |
| 221 | walking | 54 | 3.5K | 28 | 20 |
| 225 | Embryology | 40 | 3.5K | 362 | 256 |
| 226 | Anxiety Disorders | 39 | 3.5K | 67 | 49 |
| 226 | Anxiety | 39 | 3.5K | 67 | 50 |
| 228 | Lipids | 59 | 3.4K | 117 | 111 |
| 229 | Nuclear Medicine | 111 | 3.4K | 67 | 84 |
| 230 | Engineering | 105 | 3.4K | 436 | 301 |
| 231 | Histology | 59 | 3.3K | 271 | 186 |
| 232 | Cell death | 85 | 3.3K | 97 | 222 |
| 233 | sports injuries | 178 | 3.3K | 1 | 2 |
| 234 | Speech | 74 | 3.3K | 80 | 67 |
| 235 | drugs | 79 | 3.3K | 201 | 153 |
| 236 | Developmental Genetics | 26 | 3.2K | 143 | 135 |
| 237 | Environmental Health | 74 | 3.2K | 968 | 927 |
| 238 | Substance Abuse | 104 | 3.2K | 125 | 114 |
| 239 | Analytical Biochemistry | 61 | 3.2K | 148 | 97 |
| 240 | Computer Vision | 29 | 3.2K | 250 | 156 |
| 241 | Hearing | 98 | 3.2K | 50 | 39 |
| 242 | Electronics | 80 | 3.1K | 638 | 447 |
| 243 | histological techniques | 44 | 3.1K | 52 | 36 |
| 244 | vitamin C | 2 | 3.1K | 558 | 2 |
| 244 | vitamin E | 2 | 3.1K | 558 | 2 |
| 246 | Bone diseases | 40 | 3.1K | 23 | 36 |
| 247 | Lymphoma | 177 | 3.0K | 2 | 2 |
| 248 | health services | 91 | 3.0K | 71 | 61 |
| 249 | Parasitic Diseases | 46 | 3.0K | 294 | 165 |
| 250 | preventive medicine | 105 | 3.0K | 75 | 134 |
| 251 | Menopause | 92 | 2.9K | 4 | 5 |
| 252 | Materials | 46 | 2.9K | 1935 | 1347 |
| 253 | psychotherapy | 37 | 2.9K | 278 | 188 |
| 254 | Health Services Administration | 75 | 2.9K | 64 | 58 |
| 255 | Clinical Psychology | 86 | 2.9K | 132 | 196 |
| 256 | United Kingdom | 59 | 2.8K | 217 | 219 |
| 257 | alcoholism | 95 | 2.8K | 150 | 190 |
| 258 | viral genetics | 18 | 2.8K | 112 | 122 |
| 259 | Multiple Myeloma | 167 | 2.7K | 2 | 2 |
| 260 | Drug delivery systems | 27 | 2.7K | 346 | 163 |
| 261 | Information Systems | 70 | 2.7K | 55 | 61 |
| 262 | Analytical Chemistry | 70 | 2.7K | 980 | 848 |
| 263 | Health promotion | 115 | 2.7K | 68 | 126 |
| 264 | DNA polymerases | 21 | 2.7K | 100 | 117 |
| 265 | Autoimmune diseases | 72 | 2.6K | 18 | 33 |
| 266 | Research Design | 77 | 2.6K | 98 | 139 |
| 267 | Carcinogenesis | 59 | 2.6K | 73 | 84 |
| 268 | liver | 87 | 2.5K | 2 | 1 |
| 269 | Reproduction | 86 | 2.5K | 294 | 325 |
| 270 | Signal Transduction | 53 | 2.5K | 159 | 230 |
| 271 | Europe | 48 | 2.5K | 638 | 306 |
| 272 | Endocrine glands | 21 | 2.5K | 30 | 24 |
| 273 | Antigens | 84 | 2.4K | 39 | 62 |
| 274 | cloning | 41 | 2.4K | 52 | 92 |
| 275 | enzymes | 53 | 2.4K | 178 | 148 |
| 276 | Growth | 17 | 2.4K | 447 | 297 |
| 277 | counseling | 81 | 2.4K | 139 | 133 |
| 278 | Sports | 159 | 2.4K | 98 | 263 |
| 279 | Autoantibodies | 64 | 2.3K | 18 | 33 |
| 280 | Steroids | 82 | 2.3K | 48 | 64 |
| 281 | carcinogens | 52 | 2.3K | 82 | 93 |
| 282 | Amyloidosis | 76 | 2.3K | 5 | 9 |
| 283 | Biometrics | 70 | 2.3K | 113 | 122 |
| 284 | Patient education | 65 | 2.2K | 33 | 54 |
| 285 | tomography | 87 | 2.2K | 7 | 9 |
| 286 | rare diseases | 71 | 2.2K | 14 | 34 |
| 287 | Proteome | 48 | 2.2K | 151 | 177 |
| 288 | Inflammation | 42 | 2.2K | 101 | 92 |
| 289 | risk factors | 88 | 2.2K | 20 | 54 |
| 290 | Minority Health | 2 | 2.2K | 117 | 25 |
| 291 | Materials Science | 35 | 2.2K | 1597 | 1120 |
| 292 | Child psychology | 43 | 2.1K | 307 | 300 |
| 293 | drug addiction | 64 | 2.1K | 159 | 187 |
| 294 | Oxidation-reduction | 26 | 2.1K | 151 | 146 |
| 295 | calcification | 46 | 2.1K | 34 | 38 |
| 296 | Antibodies | 66 | 2.0K | 24 | 50 |
| 297 | Language Disorders | 65 | 2.0K | 103 | 80 |
| 298 | Hemostasis | 96 | 2.0K | 16 | 37 |
| 299 | scientific societies | 71 | 2.0K | 39 | 56 |
| 300 | Molecular Pharmacology | 47 | 2.0K | 74 | 90 |
| 301 | behavioral medicine | 72 | 2.0K | 120 | 231 |
| 302 | Electroconvulsive therapy | 70 | 1.9K | 1 | 1 |
| 303 | complementary therapies | 93 | 1.9K | 57 | 85 |
| 304 | Molecular Imaging | 27 | 1.9K | 155 | 110 |
| 305 | Polymers | 30 | 1.9K | 1740 | 1033 |
| 306 | Animal Behavior | 22 | 1.9K | 614 | 421 |
| 307 | Child Development | 61 | 1.9K | 307 | 346 |
| 308 | Medical Ethics | 137 | 1.9K | 44 | 52 |
| 309 | nanoscience | 30 | 1.9K | 961 | 773 |
| 310 | Genetic disorders | 58 | 1.9K | 34 | 47 |
| 311 | Clinical Trials | 66 | 1.9K | 46 | 41 |
| 312 | mutagens | 38 | 1.9K | 106 | 123 |
| 313 | Audiology | 87 | 1.8K | 61 | 108 |
| 314 | Palliative Care | 120 | 1.8K | 18 | 61 |
| 315 | Bioorganic chemistry | 42 | 1.8K | 726 | 571 |
| 316 | Environmental Toxicology | 14 | 1.8K | 1101 | 453 |
| 317 | Telemedicine | 67 | 1.8K | 6 | 15 |
| 318 | Nutrition physiology | 37 | 1.8K | 68 | 67 |
| 319 | Systems Biology | 59 | 1.8K | 152 | 154 |
| 320 | Geriatric Oncology | 71 | 1.8K | 18 | 38 |
| 321 | Adolescent Medicine | 42 | 1.8K | 85 | 135 |
| 321 | Immunochemistry | 54 | 1.8K | 59 | 62 |
| 321 | health planning | 25 | 1.8K | 591 | 174 |
| 324 | Randomized Controlled Trials | 60 | 1.7K | 97 | 64 |
| 325 | Alternative Medicine | 80 | 1.7K | 60 | 99 |
| 326 | Multiple sclerosis | 70 | 1.7K | 16 | 12 |
| 327 | Ethology | 18 | 1.7K | 551 | 380 |
| 328 | Long-Term Care | 50 | 1.7K | 47 | 88 |
| 328 | Long-term care facilities | 50 | 1.7K | 46 | 88 |
| 330 | Artificial Organs | 119 | 1.7K | 11 | 28 |
| 331 | Pediatric Dermatology | 123 | 1.7K | 5 | 17 |
| 332 | Astrocytes | 20 | 1.6K | 90 | 74 |
| 333 | Decision making | 66 | 1.6K | 104 | 190 |
| 334 | Cost control | 60 | 1.6K | 3 | 2 |
| 335 | Bipolar Disorder | 80 | 1.6K | 20 | 66 |
| 336 | Hemophilia | 40 | 1.6K | 63 | 44 |
| 337 | Parkinson's disease | 15 | 1.6K | 45 | 6 |
| 338 | Learning | 26 | 1.6K | 337 | 254 |
| 339 | Virulence | 35 | 1.5K | 252 | 383 |
| 340 | biological factors | 51 | 1.5K | 218 | 288 |
| 341 | Communication | 28 | 1.5K | 516 | 379 |
| 342 | Functional Genomics | 22 | 1.5K | 34 | 23 |
| 343 | Organic Chemistry | 43 | 1.5K | 912 | 781 |
| 344 | behavior therapy | 48 | 1.5K | 133 | 153 |
| 345 | Endocrine system | 273 | 1.5K | 5 | 8 |
| 346 | Immunogenetics | 58 | 1.5K | 40 | 66 |
| 347 | protein | 41 | 1.5K | 206 | 247 |
| 348 | Clinical Pharmacology | 41 | 1.5K | 240 | 192 |
| 349 | Membranes | 51 | 1.4K | 304 | 456 |
| 350 | Data Mining | 31 | 1.4K | 265 | 299 |
| 351 | Exercise | 58 | 1.4K | 128 | 162 |
| 352 | Hospitals | 118 | 1.4K | 19 | 41 |
| 353 | Industrial Microbiology | 10 | 1.4K | 1044 | 417 |
| 354 | Mathematics | 53 | 1.4K | 1699 | 1031 |
| 355 | Sarcopenia | 13 | 1.4K | 90 | 37 |
| 356 | older people | 142 | 1.4K | 111 | 174 |
| 357 | Electrophoresis | 35 | 1.4K | 301 | 209 |
| 358 | Magnetic Resonance Imaging | 53 | 1.4K | 34 | 59 |
| 359 | Biopharmaceutics | 43 | 1.4K | 115 | 168 |
| 360 | Optics | 188 | 1.3K | 510 | 999 |
| 361 | Mass Spectrometry | 41 | 1.3K | 187 | 204 |
| 362 | Histochemistry | 34 | 1.3K | 139 | 104 |
| 363 | data collection | 18 | 1.3K | 254 | 251 |
| 364 | Respiratory system | 59 | 1.3K | 27 | 60 |
| 365 | Histocompatibility Testing | 62 | 1.2K | 11 | 30 |
| 366 | child behavior | 16 | 1.2K | 102 | 66 |
| 367 | Ecology | 25 | 1.2K | 2531 | 2399 |
| 368 | Gastrointestinal diseases | 70 | 1.2K | 9 | 24 |
| 369 | sex differences | 27 | 1.2K | 2 | 5 |
| 370 | Nursing | 58 | 1.2K | 226 | 195 |
| 370 | Radiation Oncology | 42 | 1.2K | 13 | 22 |
| 372 | hospice care | 76 | 1.2K | 3 | 10 |
| 373 | Ultrasonic Imaging | 73 | 1.2K | 8 | 27 |
| 374 | Information Science | 32 | 1.2K | 564 | 538 |
| 375 | Familial diseases | 34 | 1.1K | 15 | 7 |
| 376 | Pharmacy | 39 | 1.1K | 466 | 477 |
| 377 | Drug design | 41 | 1.1K | 180 | 298 |
| 378 | Osteoporosis | 25 | 1.1K | 23 | 27 |
| 378 | Flow cytometry | 37 | 1.1K | 19 | 27 |
| 380 | miniaturization | 11 | 1.1K | 1001 | 679 |
| 381 | Cognition | 22 | 1.1K | 587 | 461 |
| 382 | Bioethics | 101 | 1.1K | 44 | 86 |
| 383 | Neurogenetics | 36 | 1.1K | 10 | 14 |
| 384 | Computer Science | 43 | 1.1K | 259 | 211 |
| 385 | Pharmacogenomics | 30 | 1.0K | 10 | 13 |
| 386 | Brachytherapy | 49 | 1.0K | 12 | 15 |
| 387 | Microbial Ecology | 12 | 1.0K | 1157 | 903 |
| 388 | personality | 8 | 1.0K | 830 | 483 |
| 389 | Neuroimmunology | 20 | 993 | 158 | 191 |
| 390 | Microorganisms | 12 | 991 | 436 | 345 |
| 391 | cell interaction | 31 | 985 | 159 | 232 |
| 392 | Pituitary gland | 37 | 979 | 9 | 17 |
| 393 | Eating Disorders | 45 | 965 | 119 | 191 |
| 394 | Ethics | 26 | 961 | 176 | 87 |
| 394 | Electrocardiography | 60 | 961 | 11 | 13 |
| 396 | Travel | 43 | 952 | 77 | 93 |
| 397 | Microelectronics | 5 | 948 | 1509 | 647 |
| 398 | Erectile dysfunction | 60 | 943 | 1 | 19 |
| 399 | X-rays | 42 | 942 | 48 | 36 |
| 400 | Health insurance | 31 | 930 | 81 | 123 |
| 400 | brain mapping | 23 | 930 | 177 | 238 |
| 402 | child abuse | 21 | 929 | 218 | 205 |
| 403 | Psychoneuroimmunology | 17 | 924 | 153 | 176 |
| 404 | Brain damage | 31 | 918 | 39 | 61 |
| 405 | anesthesia | 93 | 917 | 6 | 10 |
| 406 | Proteomics | 29 | 915 | 201 | 308 |
| 407 | Physical fitness | 35 | 910 | 143 | 231 |
| 408 | Sociology | 24 | 906 | 884 | 733 |
| 408 | cytokines | 17 | 906 | 397 | 294 |
| 410 | biomedicine | 28 | 905 | 55 | 54 |
| 411 | Neuropharmacology | 26 | 896 | 78 | 88 |
| 412 | Oxidative stress | 17 | 888 | 194 | 268 |
| 413 | Feeding and Eating Disorders | 37 | 865 | 136 | 203 |
| 414 | Psycholinguistics | 22 | 856 | 250 | 268 |
| 415 | Dentistry | 51 | 853 | 85 | 91 |
| 416 | Genes | 18 | 851 | 328 | 220 |
| 417 | Fluorescence spectroscopy | 19 | 840 | 33 | 19 |
| 417 | Molecular Spectroscopy | 19 | 840 | 589 | 312 |
| 419 | Vaccination | 21 | 838 | 23 | 24 |
| 419 | Cerebral cortex | 22 | 838 | 278 | 333 |
| 421 | Neurolinguistics | 20 | 837 | 89 | 107 |
| 422 | China | 16 | 833 | 1271 | 664 |
| 423 | Mycology | 33 | 826 | 357 | 463 |
| 424 | language | 19 | 824 | 222 | 211 |
| 425 | Genetic Counseling | 49 | 819 | 17 | 26 |
| 426 | chronic disease | 25 | 814 | 55 | 57 |
| 427 | healthcare disparities | 38 | 812 | 42 | 56 |
| 428 | Organ transplantation | 62 | 811 | 27 | 37 |
| 429 | Spectrum analysis | 28 | 806 | 1654 | 1578 |
| 430 | Geriatric Psychiatry | 25 | 798 | 225 | 217 |
| 430 | Nanostructures | 7 | 798 | 1365 | 709 |
| 432 | Molecular Genetics | 29 | 793 | 491 | 699 |
| 433 | Medical Imaging | 35 | 792 | 48 | 67 |
| 433 | Environmental Microbiology | 8 | 792 | 794 | 533 |
| 435 | Precision medicine | 45 | 791 | 6 | 16 |
| 436 | soil microbiology | 7 | 789 | 948 | 646 |
| 437 | Neurotoxicology | 11 | 780 | 181 | 90 |
| 437 | Safety management | 44 | 780 | 14 | 22 |
| 439 | Chromosomes | 17 | 779 | 308 | 273 |
| 440 | Parasitology | 24 | 769 | 755 | 615 |
| 441 | Nutritional support | 19 | 760 | 17 | 29 |
| 442 | Diagnosis | 53 | 758 | 16 | 29 |
| 443 | Developing countries | 19 | 752 | 765 | 587 |
| 444 | Drug discovery | 14 | 749 | 44 | 32 |
| 445 | software | 24 | 748 | 177 | 230 |
| 446 | Evidence-Based Medicine | 118 | 747 | 12 | 88 |
| 447 | Microcirculation | 16 | 746 | 112 | 75 |
| 448 | Metastasis | 16 | 731 | 17 | 72 |
| 449 | DNA repair | 9 | 728 | 113 | 62 |
| 450 | Communication in medicine | 21 | 723 | 111 | 109 |
| 451 | Nuclear Engineering | 16 | 722 | 740 | 344 |
| 452 | Photography | 167 | 710 | 159 | 139 |
| 453 | DNS | 13 | 708 | 138 | 73 |
| 454 | Phonetics | 9 | 699 | 143 | 68 |
| 455 | behavior modification | 12 | 696 | 171 | 156 |
| 456 | DNA | 14 | 692 | 152 | 56 |
| 457 | Amyotrophic Lateral Sclerosis | 32 | 687 | 22 | 52 |
| 458 | Laser therapy | 44 | 686 | 25 | 28 |
| 459 | Industrial Safety | 37 | 680 | 147 | 245 |
| 460 | Cognitive neuroscience | 9 | 674 | 535 | 457 |
| 461 | Depression | 14 | 672 | 98 | 159 |
| 462 | Immunopharmacology | 17 | 668 | 335 | 254 |
| 463 | Neurotransmitters | 55 | 656 | 36 | 106 |
| 464 | Linguistics | 14 | 654 | 514 | 296 |
| 465 | Biosensors | 18 | 652 | 447 | 638 |
| 465 | Nanobiotechnology | 8 | 652 | 183 | 143 |
| 467 | Global Health | 33 | 635 | 167 | 167 |
| 467 | optical instruments | 21 | 635 | 100 | 108 |
| 469 | Hematopoietic stem cell transplantation | 23 | 631 | 42 | 103 |
| 470 | dietary supplements | 14 | 630 | 232 | 170 |
| 471 | Holistic Health | 34 | 629 | 18 | 38 |
| 472 | Lipid metabolism | 11 | 623 | 129 | 121 |
| 472 | Lipid | 11 | 623 | 134 | 123 |
| 474 | Cardiac rehabilitation | 21 | 614 | 3 | 8 |
| 475 | Applied Linguistics | 8 | 602 | 259 | 95 |
| 476 | Occupational Therapy | 38 | 588 | 147 | 120 |
| 476 | Pharmacokinetics | 20 | 588 | 184 | 250 |
| 478 | Operations Research | 12 | 585 | 1098 | 761 |
| 479 | gastrointestinal tract | 12 | 582 | 83 | 115 |
| 480 | biochemical markers | 27 | 579 | 45 | 65 |
| 481 | Radiation | 24 | 573 | 680 | 612 |
| 482 | Schizophrenia | 19 | 571 | 390 | 487 |
| 483 | Healing | 28 | 564 | 4 | 4 |
| 484 | nuclear magnetic resonance | 32 | 560 | 280 | 353 |
| 485 | Pediatric Hematology | 41 | 559 | 20 | 28 |
| 486 | Social work | 11 | 553 | 672 | 328 |
| 487 | preimplantation genetic diagnosis | 24 | 550 | 69 | 84 |
| 487 | embryo transfer | 25 | 550 | 73 | 89 |
| 489 | Bioelectronics | 13 | 548 | 459 | 628 |
| 490 | Plant genetic engineering | 6 | 544 | 636 | 397 |
| 491 | Asthma | 43 | 540 | 47 | 130 |
| 492 | visualization | 101 | 537 | 98 | 285 |
| 493 | Genetic translocation | 13 | 536 | 20 | 34 |
| 493 | plasmids | 13 | 536 | 20 | 34 |
| 495 | animals | 6 | 530 | 901 | 273 |
| 496 | Environmental monitoring | 12 | 526 | 2116 | 1986 |
| 497 | Magnetic Resonance Spectroscopy | 29 | 521 | 308 | 370 |
| 498 | drug abuse | 16 | 516 | 215 | 163 |
| 499 | Extracellular matrix | 5 | 515 | 170 | 125 |
| 499 | collagen | 5 | 515 | 179 | 133 |
| 501 | Blood vessels | 16 | 512 | 67 | 71 |
| 502 | Mental Health Services | 35 | 510 | 252 | 384 |
| 503 | Social Sciences | 17 | 506 | 1320 | 934 |
| 504 | Child welfare | 11 | 503 | 460 | 289 |
| 505 | Hearing Aids | 42 | 501 | 16 | 40 |
| 506 | primary prevention | 16 | 500 | 105 | 82 |
| 507 | Dietetics | 23 | 497 | 173 | 192 |
| 508 | Nanoparticles | 10 | 493 | 1074 | 827 |
| 509 | Medical Anthropology | 15 | 492 | 454 | 618 |
| 510 | Behavioral Genetics | 3 | 484 | 223 | 88 |
| 511 | environmental exposure | 26 | 481 | 457 | 791 |
| 512 | DNA methylation | 15 | 478 | 43 | 97 |
| 512 | Chemical analysis | 13 | 478 | 468 | 410 |
| 514 | health behavior | 32 | 477 | 198 | 337 |
| 514 | Atherosclerosis | 24 | 477 | 16 | 42 |
| 516 | Teaching | 37 | 476 | 308 | 500 |
| 517 | Sports Psychology | 1 | 474 | 216 | 41 |
| 518 | sex crimes | 9 | 467 | 297 | 162 |
| 519 | feeding behavior | 13 | 465 | 267 | 296 |
| 520 | drug evaluation | 24 | 464 | 306 | 438 |
| 521 | Ergonomics | 74 | 463 | 104 | 296 |
| 522 | Signal Processing | 13 | 460 | 1356 | 1229 |
| 523 | Emergency Medical Services | 35 | 448 | 72 | 130 |
| 524 | Botany | 8 | 447 | 2528 | 2016 |
| 524 | polymerization | 9 | 447 | 2514 | 1805 |
| 526 | cell membrane | 9 | 445 | 293 | 288 |
| 527 | Personality Assessment | 16 | 438 | 164 | 272 |
| 528 | Nanostructured Materials | 12 | 437 | 1703 | 1619 |
| 529 | Adolescent Psychology | 25 | 435 | 192 | 364 |
| 530 | Coronary heart disease | 26 | 433 | 10 | 7 |
| 531 | Technology | 19 | 430 | 1648 | 1717 |
| 532 | mutation | 10 | 429 | 255 | 292 |
| 533 | Electron Microscopy | 8 | 423 | 186 | 61 |
| 533 | children | 5 | 423 | 314 | 177 |
| 535 | Neurovirology | 10 | 421 | 98 | 78 |
| 536 | Frontotemporal lobar degeneration | 23 | 417 | 24 | 59 |
| 536 | Disease management | 35 | 417 | 4 | 6 |
| 538 | voice | 46 | 412 | 28 | 115 |
| 539 | Asia | 26 | 411 | 751 | 760 |
| 539 | violence | 11 | 411 | 431 | 386 |
| 541 | Music | 45 | 409 | 83 | 188 |
| 542 | Pharmacognosy | 11 | 408 | 925 | 908 |
| 542 | Radioisotopes | 30 | 408 | 239 | 264 |
| 544 | Immunohistochemistry | 17 | 407 | 21 | 19 |
| 545 | plant molecular biology | 3 | 406 | 1515 | 1008 |
| 546 | Longevity | 4 | 399 | 130 | 39 |
| 547 | Developmental Disabilities | 13 | 398 | 416 | 507 |
| 547 | cell movement | 8 | 398 | 92 | 91 |
| 549 | Cell communication | 10 | 397 | 201 | 275 |
| 550 | Occupational Health | 17 | 396 | 304 | 316 |
| 550 | rejuvenation | 2 | 396 | 179 | 32 |
| 552 | Quality Assurance | 15 | 395 | 56 | 48 |
| 553 | Elderly | 103 | 394 | 112 | 247 |
| 554 | Mental Health | 30 | 393 | 379 | 590 |
| 555 | Microscopy | 28 | 390 | 254 | 469 |
| 556 | Cytoskeleton | 9 | 384 | 107 | 96 |
| 556 | Chromatographic analysis | 21 | 384 | 629 | 678 |
| 558 | Semantics | 20 | 382 | 16 | 38 |
| 559 | Retina | 3 | 370 | 168 | 217 |
| 559 | Developmental Psychology | 2 | 370 | 1191 | 500 |
| 559 | eye | 3 | 370 | 204 | 221 |
| 562 | Human-Computer Interaction | 8 | 367 | 901 | 660 |
| 563 | Pharmaceutical Technology | 18 | 366 | 519 | 714 |
| 564 | Molecular Microbiology | 7 | 365 | 545 | 626 |
| 564 | Culture techniques | 18 | 365 | 61 | 95 |
| 566 | pain management | 35 | 363 | 64 | 213 |
| 567 | Cognitive Therapy | 14 | 360 | 210 | 246 |
| 568 | Biomarkers | 18 | 355 | 46 | 72 |
| 569 | peptides | 10 | 354 | 337 | 182 |
| 570 | gene transfer | 17 | 353 | 31 | 65 |
| 570 | genetic transformation | 17 | 353 | 31 | 65 |
| 572 | Medicinal plants | 9 | 350 | 726 | 755 |
| 573 | transgenic organisms | 4 | 347 | 203 | 89 |
| 573 | transgenic animals | 4 | 347 | 191 | 83 |
| 573 | Transgenic plants | 4 | 347 | 397 | 225 |
| 576 | Humanities | 14 | 346 | 588 | 326 |
| 577 | RNA | 7 | 345 | 305 | 302 |
| 578 | industrial hygiene | 15 | 341 | 316 | 190 |
| 578 | Parasites | 12 | 341 | 758 | 687 |
| 580 | Growth factors | 5 | 339 | 178 | 209 |
| 581 | Statistical physics | 9 | 336 | 2067 | 1683 |
| 582 | Production Management | 9 | 334 | 605 | 762 |
| 583 | Personality Disorders | 5 | 317 | 189 | 125 |
| 584 | Mitochondria | 8 | 311 | 81 | 115 |
| 585 | Optical materials | 5 | 306 | 2133 | 1704 |
| 586 | Atomic spectroscopy | 7 | 305 | 749 | 436 |
| 587 | Cardiovascular Pharmacology | 13 | 298 | 53 | 80 |
| 587 | glycoproteins | 9 | 298 | 209 | 259 |
| 587 | Glycoconjugates | 9 | 298 | 209 | 259 |
| 587 | glycolipids | 9 | 298 | 209 | 259 |
| 591 | Neuroanatomy | 3 | 297 | 201 | 69 |
| 592 | Antiviral agents | 6 | 287 | 199 | 136 |
| 593 | Chromatography | 14 | 286 | 697 | 742 |
| 594 | Composite Materials | 1 | 285 | 3664 | 1802 |
| 594 | acupuncture | 24 | 285 | 35 | 10 |
| 596 | Information Retrieval | 1 | 284 | 905 | 232 |
| 597 | Australia | 6 | 283 | 1377 | 768 |
| 598 | sexual behavior | 15 | 275 | 197 | 319 |
| 599 | rural health | 14 | 274 | 51 | 63 |
| 599 | disabilities | 7 | 274 | 443 | 331 |
| 601 | Antibacterial agents | 14 | 273 | 198 | 416 |
| 602 | Food | 9 | 272 | 1883 | 1976 |
| 603 | Cerebrospinal fluid | 6 | 268 | 62 | 54 |
| 604 | Plant physiology | 2 | 266 | 2355 | 1503 |
| 605 | Andrology | 22 | 263 | 122 | 291 |
| 606 | Colloids | 11 | 260 | 2185 | 2497 |
| 606 | plasma | 4 | 260 | 86 | 17 |
| 606 | Plants | 2 | 260 | 2388 | 1383 |
| 609 | Continuing Education | 55 | 258 | 16 | 77 |
| 610 | Bioenergetics | 7 | 256 | 487 | 521 |
| 611 | Freeze-Drying | 13 | 254 | 77 | 142 |
| 611 | Hypothermia | 13 | 254 | 77 | 142 |
| 611 | Freeze Drying | 13 | 254 | 77 | 142 |
| 614 | Cognitive Behavioral Therapy | 9 | 252 | 59 | 70 |
| 615 | Bioinorganic chemistry | 13 | 251 | 631 | 751 |
| 616 | cell proliferation | 5 | 247 | 258 | 153 |
| 617 | Synaptic Transmission | 13 | 245 | 164 | 280 |
| 618 | Geriatric Pharmacology | 14 | 244 | 61 | 142 |
| 618 | Energy metabolism | 6 | 244 | 388 | 430 |
| 618 | Cell cycle | 4 | 244 | 257 | 141 |
| 621 | biological evolution | 7 | 243 | 1382 | 1590 |
| 622 | System analysis | 23 | 240 | 720 | 1241 |
| 623 | occupational diseases | 11 | 234 | 353 | 506 |
| 624 | ethanol | 13 | 231 | 153 | 235 |
| 625 | Cell adhesion | 4 | 230 | 109 | 99 |
| 626 | Cytokine | 4 | 229 | 333 | 331 |
| 627 | Cell survival | 6 | 228 | 81 | 104 |
| 627 | molecular chaperones | 6 | 228 | 101 | 105 |
| 629 | prostaglandins | 9 | 225 | 236 | 247 |
| 630 | Bacterial diseases | 4 | 221 | 208 | 160 |
| 631 | Computer Graphics | 8 | 217 | 1107 | 1018 |
| 631 | Nonlinear Dynamics | 8 | 217 | 1247 | 1179 |
| 631 | management | 12 | 217 | 1708 | 2167 |
| 631 | marketing | 1 | 217 | 2660 | 1218 |
| 631 | Cerebellum | 6 | 217 | 162 | 169 |
| 631 | Cerebellar ataxia | 6 | 217 | 160 | 168 |
| 637 | Artificial Intelligence | 11 | 214 | 2061 | 2337 |
| 637 | Public Policy | 15 | 214 | 659 | 1078 |
| 637 | monitoring | 18 | 214 | 36 | 68 |
| 640 | Biochemical Genetics | 4 | 212 | 365 | 72 |
| 641 | Contraception | 7 | 209 | 370 | 365 |
| 642 | Echocardiography | 11 | 208 | 8 | 27 |
| 643 | Astrophysics | 4 | 207 | 2694 | 2087 |
| 644 | Surface Chemistry | 11 | 205 | 2222 | 2630 |
| 645 | Physical Chemistry | 10 | 202 | 1247 | 1514 |
| 646 | Religion and Psychology | 12 | 200 | 123 | 153 |
| 647 | Social support | 9 | 199 | 59 | 80 |
| 647 | Social environment | 9 | 199 | 59 | 82 |
| 649 | Stress | 4 | 198 | 195 | 139 |
| 650 | professional practice | 20 | 196 | 25 | 14 |
| 651 | Maternal health services | 8 | 195 | 173 | 218 |
| 651 | Neural circuitry | 7 | 195 | 1342 | 1398 |
| 653 | men | 9 | 194 | 81 | 105 |
| 654 | health services accessibility | 14 | 191 | 350 | 543 |
| 654 | musculoskeletal system | 4 | 191 | 114 | 84 |
| 654 | eugenics | 8 | 191 | 258 | 312 |
| 657 | Genetic testing | 12 | 186 | 77 | 65 |
| 658 | patient satisfaction | 24 | 185 | 5 | 18 |
| 659 | Microfabrication | 5 | 183 | 270 | 190 |
| 660 | Congenital heart disease | 34 | 182 | 4 | 6 |
| 661 | adolescence | 4 | 181 | 794 | 634 |
| 662 | Forensic Pathology | 9 | 180 | 45 | 30 |
| 662 | Library Science | 12 | 180 | 308 | 253 |
| 664 | urban health | 5 | 178 | 176 | 187 |
| 665 | Cybernetics | 5 | 176 | 1253 | 1171 |
| 666 | Pediatric Rheumatology | 12 | 174 | 63 | 103 |
| 666 | Genetic markers | 10 | 174 | 46 | 107 |
| 668 | mammals | 10 | 173 | 477 | 592 |
| 669 | Health care reform | 13 | 169 | 20 | 26 |
| 670 | Community Psychiatry | 15 | 164 | 352 | 776 |
| 670 | community participation | 2 | 164 | 143 | 54 |
| 670 | Faculty | 2 | 164 | 143 | 54 |
| 673 | Gene expression | 8 | 163 | 120 | 216 |
| 674 | monoclonal antibodies | 10 | 160 | 90 | 168 |
| 675 | Vision | 7 | 159 | 417 | 526 |
| 676 | Genetic Toxicology | 1 | 156 | 897 | 464 |
| 677 | Agricultural Chemistry | 4 | 155 | 2169 | 1915 |
| 678 | Surface-Active Agents | 3 | 154 | 1197 | 1028 |
| 678 | Protozoa | 21 | 154 | 60 | 311 |
| 678 | Surface properties | 3 | 154 | 1280 | 1110 |
| 681 | food technology | 6 | 152 | 1870 | 2079 |
| 681 | Developmental Neurobiology | 5 | 152 | 366 | 330 |
| 681 | exobiology | 1 | 152 | 502 | 278 |
| 684 | Oligosaccharides | 5 | 151 | 146 | 163 |
| 685 | Peptide | 4 | 150 | 179 | 108 |
| 686 | Oligosaccharide | 4 | 147 | 251 | 325 |
| 686 | Carbohydrates | 4 | 147 | 364 | 402 |
| 688 | Plant Genetics | 1 | 146 | 1113 | 714 |
| 688 | Dynamics | 4 | 146 | 1402 | 852 |
| 688 | Bacteria | 4 | 146 | 278 | 397 |
| 691 | Food Microbiology | 4 | 144 | 1082 | 1269 |
| 691 | Socioeconomic Factors | 7 | 144 | 444 | 602 |
| 691 | Androgens | 13 | 144 | 51 | 229 |
| 694 | Zoology | 2 | 143 | 2923 | 1639 |
| 694 | Nanomedicine | 3 | 143 | 222 | 208 |
| 694 | big data | 5 | 143 | 387 | 393 |
| 697 | Developmental Immunology | 9 | 142 | 267 | 564 |
| 698 | Pediatric Endocrinology | 14 | 141 | 64 | 109 |
| 698 | Soft Condensed Matter | 3 | 141 | 1105 | 880 |
| 698 | polar regions | 1 | 141 | 1072 | 452 |
| 701 | Hematopoiesis | 6 | 140 | 20 | 35 |
| 701 | Dialysis | 9 | 140 | 56 | 41 |
| 701 | Professional ethics | 4 | 140 | 205 | 142 |
| 701 | Pollution | 8 | 140 | 3625 | 4920 |
| 701 | Plant cells | 1 | 140 | 1562 | 1368 |
| 706 | Engineering Ethics | 3 | 139 | 199 | 120 |
| 707 | Industrial Engineering | 8 | 135 | 1122 | 1443 |
| 707 | Screening | 3 | 135 | 199 | 110 |
| 707 | Pregnancy | 10 | 135 | 397 | 631 |
| 710 | Mathematical Physics | 2 | 134 | 3035 | 1689 |
| 711 | speech therapy | 8 | 133 | 229 | 266 |
| 712 | Cell migration | 3 | 131 | 76 | 101 |
| 712 | Herbal medicine | 4 | 131 | 643 | 752 |
| 712 | Molecular evolution | 5 | 131 | 1170 | 1503 |
| 715 | environmental pollution | 7 | 129 | 3138 | 4185 |
| 716 | Environmental Psychology | 1 | 126 | 633 | 421 |
| 716 | natural products | 4 | 126 | 1610 | 1311 |
| 718 | Yeast | 5 | 125 | 273 | 382 |
| 719 | Radiation Protection | 5 | 123 | 506 | 266 |
| 720 | Automation | 5 | 122 | 1784 | 1924 |
| 721 | Plant Ecology | 1 | 120 | 2518 | 1723 |
| 722 | child mental health | 16 | 119 | 130 | 329 |
| 722 | Quantum theory | 1 | 119 | 1416 | 704 |
| 724 | Kidney transplantation | 7 | 118 | 40 | 46 |
| 724 | mathematical analysis | 2 | 118 | 2428 | 1319 |
| 726 | Anthropology | 7 | 116 | 943 | 977 |
| 726 | Acoustics | 27 | 116 | 55 | 214 |
| 726 | Globalization | 3 | 116 | 558 | 423 |
| 726 | Psychiatric hospitals | 11 | 116 | 135 | 236 |
| 730 | Acoustic holography | 26 | 115 | 5 | 7 |
| 730 | Mobile genetic elements | 3 | 115 | 86 | 82 |
| 730 | Holography | 26 | 115 | 5 | 7 |
| 730 | Acoustic imaging | 26 | 115 | 5 | 7 |
| 734 | Apoptosis | 2 | 113 | 348 | 235 |
| 734 | neurotoxins | 2 | 113 | 348 | 235 |
| 734 | Neurotoxic agents | 2 | 113 | 348 | 235 |
| 734 | Nerve regeneration | 2 | 113 | 348 | 235 |
| 738 | Social Psychology | 9 | 112 | 1193 | 1852 |
| 738 | Biofilms | 2 | 112 | 211 | 192 |
| 740 | orphan drugs | 14 | 110 | 3 | 8 |
| 741 | cell adhesion molecules | 1 | 109 | 414 | 340 |
| 742 | Germany | 4 | 108 | 517 | 194 |
| 743 | international cooperation | 2 | 107 | 760 | 544 |
| 744 | Engineering Mathematics | 10 | 106 | 970 | 1245 |
| 744 | Integrative Medicine | 6 | 106 | 164 | 131 |
| 746 | Cochlear Implants | 8 | 105 | 35 | 47 |
| 746 | Computational Chemistry | 1 | 105 | 1105 | 616 |
| 746 | air quality | 1 | 105 | 549 | 144 |
| 746 | Family Therapy | 9 | 105 | 393 | 535 |
| 750 | Clinical Laboratory Science | 7 | 104 | 110 | 143 |
| 750 | Photochemistry | 4 | 104 | 1494 | 1525 |
| 750 | Food additives | 6 | 104 | 843 | 1292 |
| 750 | Light | 4 | 104 | 818 | 1140 |
| 754 | Meteorology | 3 | 103 | 2221 | 2392 |
| 754 | Metabolic disorders in children | 12 | 103 | 58 | 113 |
| 756 | Neonatology | 5 | 101 | 448 | 556 |
| 756 | Digital humanities | 1 | 101 | 225 | 58 |
| 756 | Hippocampus | 3 | 101 | 295 | 403 |
| 759 | fuel cells | 1 | 99 | 1873 | 1400 |
| 759 | breastfeeding | 10 | 99 | 176 | 423 |
| 761 | Autism | 5 | 98 | 522 | 812 |
| 762 | Pediatric Nursing | 9 | 97 | 183 | 328 |
| 762 | Simulation Methods | 3 | 97 | 976 | 761 |
| 762 | Ion channels | 7 | 97 | 31 | 86 |
| 762 | Appetite | 2 | 97 | 774 | 742 |
| 766 | Total Quality Management | 11 | 96 | 128 | 445 |
| 767 | Environmental Engineering | 5 | 95 | 3153 | 3824 |
| 767 | Psychiatric Nursing | 10 | 95 | 295 | 511 |
| 767 | Obstetric Nursing | 5 | 95 | 190 | 228 |
| 767 | Electrochemistry | 11 | 95 | 2361 | 3123 |
| 771 | Mechanical Engineering | 1 | 92 | 3647 | 1820 |
| 771 | Lymphatic system | 5 | 92 | 52 | 72 |
| 771 | Multimedia Systems | 5 | 92 | 1460 | 1453 |
| 774 | Geriatric Nursing | 12 | 91 | 151 | 287 |
| 774 | Intellectual disability | 8 | 91 | 469 | 733 |
| 776 | Reproductive health | 7 | 90 | 477 | 815 |
| 776 | Drug delivery devices | 3 | 90 | 246 | 421 |
| 776 | Post-traumatic stress disorder | 7 | 90 | 455 | 810 |
| 779 | drug resistance | 6 | 89 | 466 | 858 |
| 780 | child sexual abuse | 4 | 88 | 94 | 121 |
| 781 | Numerical Analysis | 8 | 87 | 1507 | 1703 |
| 781 | Veterinary Immunology | 4 | 87 | 296 | 370 |
| 781 | bioluminescence | 1 | 87 | 740 | 193 |
| 781 | Student Health Services | 3 | 87 | 259 | 254 |
| 781 | biopolymers | 2 | 87 | 1440 | 1228 |
| 781 | mathematical concepts | 8 | 87 | 174 | 261 |
| 787 | nuclear magnetic resonance spectroscopy | 9 | 85 | 384 | 583 |
| 788 | Combinatorial chemistry | 5 | 82 | 607 | 1088 |
| 788 | Human physiology | 3 | 82 | 95 | 49 |
| 788 | Condensed Matter | 2 | 82 | 3100 | 2589 |
| 791 | Evolutionary Genetics | 3 | 81 | 704 | 736 |
| 791 | Molecular Epidemiology | 3 | 81 | 704 | 736 |
| 791 | Cell division | 4 | 81 | 312 | 545 |
| 794 | Chronobiology | 3 | 79 | 495 | 485 |
| 794 | Educational Psychology | 7 | 79 | 872 | 1315 |
| 794 | biological clocks | 3 | 79 | 495 | 485 |
| 794 | circadian rhythm | 3 | 79 | 495 | 485 |
| 794 | biological rhythms | 3 | 79 | 474 | 479 |
| 794 | harm reduction | 2 | 79 | 281 | 221 |
| 800 | Environmental Policy | 4 | 78 | 2980 | 4004 |
| 800 | Environmental Law | 4 | 78 | 999 | 1729 |
| 800 | environmental protection | 4 | 78 | 3236 | 3911 |
| 803 | epidemiologic methods | 20 | 77 | 10 | 132 |
| 804 | Cognitive Science | 5 | 76 | 1196 | 1731 |
| 804 | cross-cultural comparison | 5 | 76 | 392 | 529 |
| 806 | disease vectors | 3 | 74 | 991 | 1111 |
| 807 | Teratology | 1 | 73 | 481 | 360 |
| 807 | abnormalities | 1 | 73 | 320 | 242 |
| 809 | Family | 5 | 71 | 713 | 928 |
| 809 | Imaging systems | 3 | 71 | 858 | 574 |
| 811 | Economic History | 1 | 70 | 4539 | 2679 |
| 811 | Pastoral Theology | 10 | 70 | 37 | 15 |
| 811 | Technological Innovations | 7 | 70 | 602 | 1212 |
| 811 | Business | 1 | 70 | 3027 | 2228 |
| 815 | Robotics | 6 | 69 | 1300 | 1772 |
| 815 | Photonics | 4 | 69 | 1771 | 2127 |
| 815 | Statistical models | 3 | 69 | 101 | 99 |
| 815 | Liquid chromatography | 2 | 69 | 715 | 346 |
| 819 | Metabolic syndrome | 4 | 68 | 177 | 304 |
| 820 | stem cell transplantation | 3 | 67 | 56 | 41 |
| 820 | Body Image | 2 | 67 | 281 | 349 |
| 820 | Biomolecules | 2 | 67 | 604 | 744 |
| 820 | Pathogens | 2 | 67 | 142 | 129 |
| 820 | Jurisprudence | 6 | 67 | 608 | 789 |
| 820 | Consciousness | 3 | 67 | 457 | 489 |
| 826 | Analytical Toxicology | 3 | 66 | 215 | 263 |
| 826 | Circadian rhythms | 2 | 66 | 504 | 497 |
| 826 | Socialization | 3 | 66 | 502 | 699 |
| 826 | Documentation | 2 | 66 | 390 | 303 |
| 830 | allied health | 6 | 65 | 158 | 312 |
| 831 | Access to Information | 2 | 64 | 247 | 288 |
| 831 | Information dissemination | 2 | 64 | 247 | 288 |
| 833 | Communication Disorders | 5 | 62 | 219 | 299 |
| 834 | Radiologic Technology | 5 | 61 | 89 | 123 |
| 834 | Interventional Radiology | 5 | 61 | 89 | 123 |
| 834 | Interventional Radiography | 5 | 61 | 89 | 123 |
| 834 | Endoscopic Surgery | 5 | 61 | 89 | 123 |
| 834 | internet | 10 | 61 | 807 | 1737 |
| 839 | Insects | 3 | 60 | 1433 | 1396 |
| 839 | amino acids | 3 | 60 | 590 | 834 |
| 841 | venom | 9 | 59 | 340 | 942 |
| 841 | Toxins | 9 | 59 | 384 | 1038 |
| 843 | ethnicity | 4 | 58 | 571 | 588 |
| 843 | health and race | 4 | 58 | 152 | 257 |
| 843 | Peroxisomes | 2 | 58 | 42 | 102 |
| 843 | language therapy | 1 | 58 | 256 | 178 |
| 847 | History of Medicine | 7 | 57 | 219 | 180 |
| 847 | cough | 1 | 57 | 39 | 43 |
| 849 | chromatin | 4 | 56 | 88 | 299 |
| 850 | Structure-activity relationship | 1 | 55 | 522 | 385 |
| 850 | Hepatitis | 1 | 55 | 5 | 1 |
| 852 | Biomass Energy | 1 | 53 | 3441 | 3152 |
| 852 | biofuels | 1 | 53 | 554 | 723 |
| 854 | Scheduling | 1 | 52 | 251 | 173 |
| 854 | Production Scheduling | 1 | 52 | 251 | 173 |
| 856 | Information Technology | 4 | 51 | 2200 | 2665 |
| 856 | Plant Biotechnology | 1 | 51 | 1367 | 1096 |
| 856 | Exercise therapy | 4 | 51 | 338 | 438 |
| 856 | Algae | 1 | 51 | 1158 | 920 |
| 856 | Information management | 1 | 51 | 213 | 112 |
| 856 | Seaweed | 1 | 51 | 894 | 782 |
| 862 | vitamins | 4 | 50 | 90 | 304 |
| 863 | Biodiversity | 3 | 49 | 2252 | 2796 |
| 863 | Nitric oxide | 5 | 49 | 138 | 488 |
| 865 | Evidence-based practice | 11 | 48 | 16 | 43 |
| 865 | elasticity | 1 | 48 | 393 | 238 |
| 867 | Respiratory Infections | 7 | 47 | 224 | 539 |
| 867 | Sexuality | 4 | 47 | 237 | 348 |
| 869 | homosexuality | 4 | 46 | 319 | 534 |
| 869 | Culture | 1 | 46 | 1724 | 988 |
| 869 | Scanning electron microscopy | 2 | 46 | 190 | 181 |
| 869 | Human biology | 4 | 46 | 544 | 752 |
| 873 | Systems Engineering | 6 | 45 | 1625 | 2457 |
| 873 | Bioremediation | 1 | 45 | 1557 | 1358 |
| 873 | Biodegradation | 1 | 45 | 1376 | 1256 |
| 873 | Computational Intelligence | 4 | 45 | 571 | 805 |
| 873 | embryonic development | 3 | 45 | 403 | 662 |
| 873 | Marriage | 5 | 45 | 355 | 664 |
| 873 | disease susceptibility | 2 | 45 | 56 | 162 |
| 873 | Marriage counseling | 5 | 45 | 208 | 476 |
| 873 | symptoms | 2 | 45 | 56 | 162 |
| 882 | radiation monitoring | 4 | 44 | 521 | 523 |
| 882 | Pharmacy management | 5 | 44 | 203 | 368 |
| 884 | Psychometrics | 2 | 43 | 496 | 535 |
| 885 | Interferons | 1 | 42 | 579 | 479 |
| 886 | medical errors | 3 | 40 | 46 | 95 |
| 886 | biobanks | 7 | 40 | 40 | 171 |
| 886 | Microfluidics | 2 | 40 | 300 | 408 |
| 886 | Malaria | 2 | 40 | 900 | 1104 |
| 886 | safety | 3 | 40 | 66 | 135 |
| 891 | Synthetic biology | 2 | 39 | 456 | 589 |
| 891 | evaluation | 5 | 39 | 81 | 216 |
| 893 | men's health | 11 | 38 | 3 | 34 |
| 893 | Social behavior | 3 | 38 | 1147 | 1635 |
| 895 | Suicide | 4 | 37 | 460 | 823 |
| 896 | caffeine | 1 | 36 | 39 | 28 |
| 896 | role | 2 | 36 | 506 | 772 |
| 896 | Cannabis | 5 | 36 | 48 | 176 |
| 896 | cannabinoids | 5 | 36 | 43 | 165 |
| 900 | movement | 3 | 35 | 315 | 593 |
| 900 | disease outbreaks | 3 | 35 | 562 | 1038 |
| 900 | Epidemics | 3 | 35 | 540 | 1015 |
| 900 | Trace elements | 3 | 35 | 268 | 625 |
| 904 | Palynology | 1 | 34 | 483 | 328 |
| 904 | Highway Engineering | 1 | 34 | 676 | 567 |
| 904 | Risk Management | 5 | 34 | 512 | 1157 |
| 904 | Genetic Research | 2 | 34 | 233 | 328 |
| 904 | Organometallic chemistry | 4 | 34 | 1839 | 2347 |
| 904 | Program Evaluation | 4 | 34 | 54 | 160 |
| 904 | ethnic groups | 3 | 34 | 314 | 555 |
| 904 | Regulation | 1 | 34 | 30 | 65 |
| 904 | food industry | 2 | 34 | 1018 | 1036 |
| 913 | Visual Communication | 2 | 33 | 622 | 668 |
| 913 | Cosmology | 1 | 33 | 934 | 767 |
| 913 | Altitude Sickness | 8 | 33 | 41 | 245 |
| 913 | Medical Illustration | 2 | 33 | 26 | 16 |
| 913 | nuclear astrophysics | 1 | 33 | 721 | 649 |
| 913 | Vocational guidance | 3 | 33 | 847 | 1290 |
| 913 | Altitude | 8 | 33 | 41 | 245 |
| 913 | Synapses | 3 | 33 | 263 | 536 |
| 913 | Bereavement | 3 | 33 | 177 | 257 |
| 913 | brain diseases | 3 | 33 | 3 | 29 |
| 923 | Experimental Design | 3 | 32 | 273 | 447 |
| 923 | Public Health Administration | 4 | 32 | 251 | 380 |
| 923 | Morphology | 2 | 32 | 1004 | 1004 |
| 923 | Quality Control | 3 | 32 | 1867 | 2674 |
| 923 | Nanophotonics | 1 | 32 | 580 | 627 |
| 923 | Organizational change | 4 | 32 | 595 | 1039 |
| 923 | pediatric pharmacology | 2 | 32 | 131 | 74 |
| 923 | Hypertension in pregnancy | 2 | 32 | 257 | 266 |
| 923 | Allergies | 3 | 32 | 134 | 276 |
| 932 | Chemical Ecology | 1 | 31 | 843 | 960 |
| 932 | Food Safety | 1 | 31 | 591 | 480 |
| 932 | Environmental Chemistry | 1 | 31 | 3380 | 3412 |
| 932 | Radiopharmaceuticals | 6 | 31 | 236 | 365 |
| 932 | Computer-Aided Design | 6 | 31 | 864 | 1845 |
| 932 | Immunotoxicology | 2 | 31 | 446 | 566 |
| 932 | pheromones | 1 | 31 | 786 | 920 |
| 932 | toxicity testing | 3 | 31 | 796 | 1427 |
| 932 | Microwave devices | 2 | 31 | 629 | 676 |
| 932 | drug control | 3 | 31 | 397 | 698 |
| 932 | educational innovations | 3 | 31 | 492 | 799 |
| 943 | Africa | 4 | 30 | 1344 | 1730 |
| 943 | Detectors | 3 | 30 | 1564 | 2212 |
| 943 | pharmaceutical industry | 3 | 30 | 618 | 981 |
| 943 | weight loss | 3 | 30 | 140 | 282 |
| 947 | Environmental Geology | 1 | 29 | 2472 | 2380 |
| 947 | Neuroimaging | 2 | 29 | 396 | 466 |
| 947 | Health Physics | 2 | 29 | 267 | 267 |
| 947 | Regeneration | 1 | 29 | 173 | 149 |
| 947 | optical phenomena | 1 | 29 | 268 | 260 |
| 947 | planning | 5 | 29 | 514 | 1143 |
| 953 | Organizational learning | 4 | 28 | 284 | 668 |
| 953 | Sonochemistry | 1 | 28 | 1093 | 1417 |
| 955 | Ocular Motility Disorders | 8 | 27 | 5 | 11 |
| 955 | Feasibility studies | 4 | 27 | 235 | 341 |
| 955 | Social problems | 2 | 27 | 690 | 1001 |
| 955 | family violence | 2 | 27 | 508 | 789 |
| 955 | muscle strength | 3 | 27 | 65 | 109 |
| 960 | Chemical Engineering | 3 | 26 | 4411 | 5727 |
| 960 | economic forecasting | 1 | 26 | 633 | 631 |
| 960 | Forecasting | 1 | 26 | 1003 | 885 |
| 960 | Environmental pollutants | 3 | 26 | 2402 | 3740 |
| 960 | Pacific Islands | 1 | 26 | 652 | 476 |
| 960 | Cheminformatics | 4 | 26 | 274 | 748 |
| 966 | Risk assessment | 1 | 25 | 1256 | 1122 |
| 966 | ecological risk assessment | 1 | 25 | 590 | 609 |
| 966 | Health Risk Assessment | 1 | 25 | 971 | 892 |
| 966 | city planning | 1 | 25 | 2431 | 2294 |
| 970 | Marine Biology | 1 | 24 | 3631 | 3716 |
| 970 | Mobile Computing | 1 | 24 | 1770 | 1633 |
| 970 | Wireless Communication Systems | 1 | 24 | 3253 | 2993 |
| 970 | Occupational exposure | 2 | 24 | 95 | 110 |
| 970 | Marine biodiversity | 1 | 24 | 412 | 301 |
| 970 | Patient Safety | 3 | 24 | 92 | 156 |
| 976 | Anthropological Linguistics | 6 | 23 | 118 | 238 |
| 976 | Cross-Cultural Studies | 3 | 23 | 757 | 1302 |
| 976 | Invertebrates | 1 | 23 | 1067 | 1103 |
| 976 | NMR | 3 | 23 | 527 | 770 |
| 976 | recreation | 3 | 23 | 641 | 892 |
| 976 | magnetic resonance | 3 | 23 | 543 | 792 |
| 976 | Zoonoses | 1 | 23 | 569 | 694 |
| 983 | Hemodialysis | 2 | 22 | 84 | 39 |
| 984 | Public Administration | 2 | 21 | 1577 | 1772 |
| 984 | School Psychology | 2 | 21 | 548 | 834 |
| 984 | Nonverbal Communication | 1 | 21 | 357 | 483 |
| 984 | Computational Complexity | 1 | 21 | 1630 | 1447 |
| 984 | Microwaves | 3 | 21 | 1485 | 1856 |
| 984 | Informatics | 3 | 21 | 923 | 1575 |
| 990 | Fluid Dynamics | 2 | 20 | 1335 | 1771 |
| 990 | Electrochemical Analysis | 1 | 20 | 2233 | 2343 |
| 990 | Retinal diseases | 2 | 20 | 112 | 65 |
| 990 | psychiatric disorders | 2 | 20 | 73 | 109 |
| 990 | school psychologists | 1 | 20 | 344 | 447 |
| 990 | women | 4 | 20 | 694 | 1187 |
| 996 | Dyslexia | 1 | 19 | 278 | 331 |
| 996 | elder abuse | 1 | 19 | 567 | 704 |
| 996 | Nutrigenomics | 1 | 19 | 246 | 405 |
| 996 | Psychiatric Epidemiology | 1 | 19 | 899 | 1220 |
| 996 | Insulin | 4 | 19 | 2 | 6 |