| 1 | Science | 2,595 | 444.7K | 95 | 44 |
| 2 | Cytology | 1,724 | 375.1K | 26 | 10 |
| 3 | Cell Biology | 1,383 | 369.7K | 29 | 9 |
| 4 | Biology | 2,880 | 344.7K | 76 | 57 |
| 5 | Medicine | 2,727 | 272.2K | 79 | 35 |
| 6 | Biochemistry | 3,412 | 265.0K | 60 | 28 |
| 7 | Virology | 569 | 248.2K | 59 | 14 |
| 8 | Physics | 1,073 | 245.9K | 392 | 117 |
| 9 | Molecular Biology | 2,304 | 236.8K | 60 | 34 |
| 10 | Natural history | 466 | 203.3K | 101 | 47 |
| 11 | Neurology | 2,009 | 151.4K | 63 | 57 |
| 12 | Endocrinology | 1,371 | 117.8K | 14 | 9 |
| 13 | Metabolic diseases | 687 | 86.1K | 19 | 7 |
| 14 | Microbiology | 954 | 78.5K | 137 | 98 |
| 15 | Immunology | 976 | 75.9K | 34 | 32 |
| 16 | Chemistry | 996 | 71.9K | 410 | 293 |
| 17 | Genetics | 575 | 71.5K | 84 | 48 |
| 18 | Developmental Biology | 592 | 70.3K | 32 | 16 |
| 19 | Psychiatry | 702 | 67.0K | 87 | 48 |
| 20 | Metabolism | 802 | 66.2K | 17 | 14 |
| 21 | Research | 1,200 | 60.9K | 163 | 113 |
| 22 | Cardiovascular system | 749 | 59.0K | 12 | 15 |
| 23 | Immunity | 321 | 54.7K | 41 | 37 |
| 24 | Human genetics | 214 | 54.7K | 118 | 94 |
| 25 | Surgery | 298 | 53.5K | 44 | 27 |
| 26 | Urology | 1,182 | 53.3K | 6 | 8 |
| 27 | Neurophysiology | 493 | 52.7K | 85 | 47 |
| 28 | Pediatrics | 740 | 50.9K | 41 | 33 |
| 29 | Physiology | 734 | 47.8K | 83 | 51 |
| 30 | Hypertension | 711 | 47.5K | 9 | 16 |
| 31 | Cell differentiation | 297 | 47.0K | 40 | 12 |
| 32 | Biophysics | 1,198 | 45.0K | 61 | 72 |
| 33 | Neurons | 178 | 44.6K | 23 | 22 |
| 34 | Cancer | 635 | 43.6K | 62 | 45 |
| 35 | Biotechnology | 141 | 42.8K | 681 | 90 |
| 36 | Obstetrics | 831 | 41.7K | 17 | 16 |
| 37 | Bioengineering | 101 | 39.4K | 537 | 62 |
| 38 | Liver diseases | 313 | 39.3K | 19 | 13 |
| 39 | Cell metabolism | 159 | 39.2K | 2 | 2 |
| 40 | Homeostasis | 151 | 39.1K | 2 | 2 |
| 41 | Cytogenetics | 256 | 38.4K | 27 | 13 |
| 42 | Biochemical Engineering | 62 | 37.6K | 619 | 50 |
| 43 | Developmental Genetics | 205 | 37.4K | 11 | 7 |
| 44 | Genetic regulation | 203 | 34.7K | 18 | 9 |
| 45 | Gene expression regulation | 187 | 33.6K | 13 | 9 |
| 46 | Embryology | 270 | 33.2K | 46 | 23 |
| 47 | Psychophysiology | 304 | 33.1K | 156 | 60 |
| 48 | Hematology | 624 | 30.3K | 73 | 77 |
| 49 | Psychopharmacology | 227 | 30.1K | 42 | 18 |
| 50 | Diabetes | 303 | 29.7K | 47 | 24 |
| 51 | Medical genetics | 362 | 29.4K | 98 | 83 |
| 52 | viral genetics | 149 | 29.4K | 10 | 9 |
| 53 | Growth | 195 | 28.6K | 53 | 33 |
| 54 | Anatomy | 222 | 25.0K | 67 | 35 |
| 55 | Pharmacology | 384 | 24.9K | 326 | 141 |
| 56 | Allergy | 222 | 24.8K | 29 | 29 |
| 57 | Diabetes mellitus | 215 | 24.5K | 79 | 31 |
| 58 | Lipids | 223 | 23.7K | 4 | 2 |
| 59 | Pharmaceutical Chemistry | 313 | 20.4K | 141 | 63 |
| 60 | Oncology | 230 | 20.2K | 65 | 57 |
| 61 | Nervous system | 146 | 20.1K | 180 | 70 |
| 62 | cell physiology | 210 | 20.1K | 39 | 24 |
| 63 | Cell death | 81 | 19.9K | 86 | 16 |
| 64 | Dermatology | 536 | 19.6K | 23 | 24 |
| 65 | Oncogenes | 187 | 19.5K | 19 | 13 |
| 66 | Neurobiology | 233 | 18.8K | 65 | 51 |
| 67 | Environment | 295 | 17.6K | 258 | 309 |
| 68 | Immune system | 83 | 17.6K | 62 | 47 |
| 69 | Molecular structure | 143 | 17.4K | 82 | 25 |
| 70 | Hormones | 252 | 17.3K | 5 | 3 |
| 71 | nucleic acids | 191 | 17.2K | 58 | 77 |
| 72 | Host-parasite interactions | 131 | 17.1K | 42 | 27 |
| 73 | Respiration | 329 | 17.0K | 15 | 14 |
| 74 | Pathology | 307 | 16.8K | 58 | 57 |
| 75 | Mental Disorders | 283 | 16.3K | 113 | 106 |
| 76 | Medical Oncology | 328 | 15.1K | 38 | 42 |
| 77 | Medical Physics | 588 | 14.3K | 16 | 34 |
| 78 | Radiobiology | 260 | 13.2K | 34 | 32 |
| 79 | Nutrition | 258 | 13.2K | 199 | 169 |
| 80 | viruses | 123 | 12.5K | 110 | 76 |
| 81 | Immunotherapy | 91 | 12.1K | 138 | 56 |
| 82 | Medical Microbiology | 208 | 12.0K | 87 | 89 |
| 83 | Bacterial infections | 64 | 11.9K | 36 | 16 |
| 84 | arthritis | 182 | 11.6K | 45 | 44 |
| 85 | mycoses | 54 | 11.5K | 36 | 14 |
| 86 | Obesity | 205 | 10.7K | 75 | 70 |
| 87 | Brain | 229 | 10.5K | 182 | 180 |
| 88 | Neurochemistry | 196 | 10.4K | 139 | 114 |
| 89 | diseases | 10 | 10.4K | 94 | 32 |
| 89 | Disease | 10 | 10.4K | 92 | 31 |
| 91 | Nanotechnology | 102 | 10.3K | 833 | 478 |
| 92 | Ophthalmology | 220 | 10.3K | 87 | 75 |
| 93 | Clinical Chemistry | 246 | 9.4K | 92 | 104 |
| 94 | Emergency Medicine | 269 | 9.1K | 29 | 17 |
| 95 | Histology | 86 | 9.1K | 188 | 48 |
| 96 | Pediatric Neurology | 69 | 9.1K | 96 | 70 |
| 97 | Mental illness | 193 | 9.1K | 86 | 118 |
| 98 | Biomedical Engineering | 231 | 9.0K | 311 | 275 |
| 99 | Medical innovations | 71 | 9.0K | 45 | 39 |
| 100 | drug development | 76 | 8.9K | 43 | 37 |
| 101 | Rheumatology | 144 | 8.6K | 35 | 35 |
| 102 | Memory | 195 | 8.4K | 93 | 83 |
| 103 | Bacteriology | 109 | 8.4K | 175 | 134 |
| 104 | Sleep | 90 | 8.1K | 126 | 52 |
| 105 | Public Health | 181 | 7.9K | 460 | 380 |
| 106 | Attention | 182 | 7.6K | 83 | 61 |
| 107 | Virulence | 102 | 7.6K | 58 | 71 |
| 108 | proteins | 170 | 7.5K | 66 | 72 |
| 109 | Perception | 183 | 7.5K | 109 | 91 |
| 110 | gene mapping | 130 | 7.3K | 79 | 96 |
| 111 | Pharmacogenetics | 127 | 7.3K | 14 | 9 |
| 112 | Kidney diseases | 140 | 7.2K | 30 | 13 |
| 113 | Visual Perception | 177 | 7.2K | 81 | 59 |
| 114 | Transplantation | 156 | 7.2K | 67 | 75 |
| 115 | Nephrology | 130 | 7.0K | 24 | 12 |
| 116 | Biocompatible Materials | 137 | 6.9K | 445 | 462 |
| 117 | Toxicology | 156 | 6.9K | 434 | 367 |
| 118 | Diet | 80 | 6.9K | 224 | 149 |
| 119 | Drug design | 101 | 6.8K | 29 | 8 |
| 120 | Leukemia | 54 | 6.6K | 140 | 81 |
| 121 | Clinical Immunology | 166 | 6.5K | 23 | 15 |
| 122 | Computational Biology | 135 | 6.5K | 163 | 192 |
| 123 | Schizophrenia | 131 | 6.0K | 51 | 62 |
| 124 | Thrombosis | 76 | 6.0K | 100 | 46 |
| 125 | Heart Failure | 145 | 5.9K | 14 | 16 |
| 126 | vascular diseases | 74 | 5.8K | 44 | 31 |
| 127 | rehabilitation | 234 | 5.8K | 54 | 110 |
| 128 | Critical Care | 104 | 5.8K | 133 | 172 |
| 129 | Critical Care Medicine | 100 | 5.7K | 144 | 172 |
| 130 | Endocrine glands | 47 | 5.6K | 3 | 3 |
| 131 | Nanostructures | 25 | 5.5K | 525 | 120 |
| 132 | Steroids | 128 | 5.2K | 15 | 10 |
| 133 | Neuropsychology | 162 | 5.2K | 138 | 191 |
| 134 | Psychology | 141 | 5.1K | 592 | 494 |
| 135 | Chromosome mapping | 109 | 5.1K | 81 | 90 |
| 136 | protein | 125 | 5.1K | 38 | 65 |
| 137 | Genomics | 105 | 5.1K | 310 | 243 |
| 138 | Behavior | 128 | 5.0K | 328 | 399 |
| 139 | genome | 94 | 4.9K | 100 | 185 |
| 140 | Bioinformatics | 116 | 4.8K | 136 | 190 |
| 141 | United States | 231 | 4.6K | 343 | 477 |
| 142 | Diagnostic microbiology | 56 | 4.6K | 128 | 128 |
| 143 | Child | 256 | 4.6K | 72 | 139 |
| 144 | Reproduction | 121 | 4.5K | 201 | 171 |
| 145 | Therapeutics | 104 | 4.5K | 133 | 128 |
| 146 | enzymes | 138 | 4.5K | 34 | 54 |
| 147 | Signal Transduction | 67 | 4.4K | 101 | 101 |
| 148 | Aging | 83 | 4.3K | 383 | 246 |
| 149 | Proteome | 47 | 4.3K | 135 | 60 |
| 150 | Health | 183 | 4.3K | 92 | 131 |
| 151 | nuclear magnetic resonance | 114 | 4.2K | 62 | 46 |
| 152 | Orthopedics | 143 | 4.2K | 68 | 80 |
| 153 | drug therapy | 130 | 4.1K | 185 | 196 |
| 154 | United Kingdom | 75 | 4.1K | 174 | 139 |
| 155 | Spine | 74 | 4.0K | 47 | 53 |
| 156 | Bioorganic chemistry | 116 | 4.0K | 247 | 275 |
| 157 | Child Development | 113 | 4.0K | 184 | 220 |
| 158 | Magnetic Resonance Spectroscopy | 104 | 3.9K | 72 | 50 |
| 159 | Physical Therapy | 161 | 3.9K | 46 | 97 |
| 160 | Molecular Microbiology | 68 | 3.9K | 71 | 129 |
| 161 | Hemodynamics | 88 | 3.8K | 32 | 64 |
| 162 | Cardiovascular diseases | 123 | 3.8K | 83 | 88 |
| 163 | Otolaryngology | 132 | 3.6K | 19 | 24 |
| 164 | Stem cells | 67 | 3.6K | 160 | 128 |
| 165 | Clinical Biochemistry | 69 | 3.6K | 76 | 42 |
| 166 | gene therapy | 68 | 3.6K | 82 | 84 |
| 167 | human behavior | 65 | 3.5K | 375 | 422 |
| 168 | Diagnostic Imaging | 121 | 3.5K | 105 | 137 |
| 169 | Genetic engineering | 60 | 3.5K | 243 | 192 |
| 170 | cardiac catheterization | 143 | 3.5K | 12 | 10 |
| 171 | Digestive system diseases | 113 | 3.3K | 27 | 24 |
| 172 | Crystallography | 34 | 3.3K | 413 | 60 |
| 173 | fertility | 56 | 3.3K | 129 | 109 |
| 174 | Lung Transplantation | 89 | 3.3K | 28 | 35 |
| 174 | Heart transplantation | 89 | 3.3K | 28 | 35 |
| 176 | Organic Chemistry | 111 | 3.3K | 384 | 402 |
| 177 | Infertility | 54 | 3.2K | 120 | 101 |
| 178 | Immunopathology | 86 | 3.2K | 99 | 110 |
| 179 | Genetic therapy | 78 | 3.2K | 78 | 92 |
| 180 | Geriatrics | 113 | 3.1K | 305 | 318 |
| 181 | Muscles | 55 | 3.1K | 65 | 51 |
| 182 | Materials | 47 | 3.0K | 1705 | 1168 |
| 183 | Environmental Health | 44 | 2.9K | 1288 | 900 |
| 184 | Sports Medicine | 153 | 2.9K | 157 | 298 |
| 185 | Chemotherapy | 75 | 2.9K | 115 | 80 |
| 186 | Alzheimer's disease | 100 | 2.8K | 137 | 123 |
| 187 | Adolescent Medicine | 54 | 2.8K | 57 | 77 |
| 188 | Research Design | 65 | 2.8K | 107 | 123 |
| 189 | Neuromuscular diseases | 50 | 2.7K | 55 | 38 |
| 190 | Proteomics | 27 | 2.7K | 181 | 86 |
| 191 | DNA repair | 72 | 2.7K | 3 | 4 |
| 192 | X-ray crystallography | 24 | 2.6K | 116 | 26 |
| 193 | Clinical Trials | 58 | 2.6K | 43 | 25 |
| 194 | Materials Science | 31 | 2.5K | 1471 | 895 |
| 195 | Dementia | 91 | 2.5K | 144 | 113 |
| 196 | cell interaction | 37 | 2.5K | 101 | 43 |
| 197 | preventive medicine | 45 | 2.4K | 181 | 146 |
| 198 | Substance Abuse | 75 | 2.4K | 158 | 135 |
| 199 | pain | 51 | 2.3K | 197 | 210 |
| 200 | Minority Health | 2 | 2.3K | 101 | 25 |
| 201 | Radiation | 52 | 2.3K | 319 | 145 |
| 202 | Artificial Organs | 51 | 2.3K | 50 | 16 |
| 203 | medical education | 106 | 2.3K | 161 | 191 |
| 204 | Evolution | 17 | 2.3K | 700 | 411 |
| 205 | Radiography | 98 | 2.2K | 43 | 145 |
| 206 | Lipid metabolism | 26 | 2.2K | 33 | 13 |
| 207 | Lipid | 25 | 2.2K | 41 | 13 |
| 208 | infection | 40 | 2.2K | 287 | 213 |
| 209 | DNA polymerases | 20 | 2.2K | 82 | 88 |
| 210 | Health promotion | 43 | 2.1K | 175 | 137 |
| 211 | Histocompatibility Testing | 52 | 2.1K | 18 | 9 |
| 212 | Neonatology | 61 | 2.1K | 14 | 18 |
| 213 | General Surgery | 81 | 2.1K | 70 | 41 |
| 214 | miniaturization | 14 | 2.1K | 774 | 412 |
| 215 | Microorganisms | 11 | 2.0K | 439 | 175 |
| 216 | Bipolar Disorder | 27 | 2.0K | 53 | 44 |
| 217 | Radiology | 143 | 2.0K | 49 | 79 |
| 218 | Analytical Biochemistry | 51 | 2.0K | 177 | 162 |
| 219 | Autism | 24 | 1.9K | 155 | 100 |
| 220 | Sleep Disorders | 85 | 1.9K | 134 | 203 |
| 220 | Plant cells | 8 | 1.9K | 630 | 403 |
| 222 | Epidemiology | 67 | 1.9K | 581 | 584 |
| 223 | Recombinant DNA | 49 | 1.9K | 155 | 155 |
| 224 | Infections | 24 | 1.9K | 263 | 177 |
| 225 | alcoholism | 72 | 1.9K | 184 | 231 |
| 226 | Botany | 16 | 1.9K | 1666 | 928 |
| 227 | Medical Laboratory Science | 70 | 1.9K | 217 | 385 |
| 228 | Neurosurgery | 35 | 1.9K | 164 | 118 |
| 229 | Cerebral cortex | 27 | 1.8K | 228 | 187 |
| 230 | Drug delivery systems | 12 | 1.8K | 701 | 233 |
| 231 | Environmental Toxicology | 22 | 1.8K | 736 | 399 |
| 231 | Anxiety | 36 | 1.8K | 71 | 98 |
| 233 | Anxiety Disorders | 34 | 1.8K | 77 | 98 |
| 234 | Inflammation | 26 | 1.8K | 213 | 130 |
| 235 | histological techniques | 32 | 1.8K | 91 | 71 |
| 236 | Analytical Chemistry | 37 | 1.8K | 1370 | 1054 |
| 237 | Antigens | 50 | 1.8K | 73 | 70 |
| 238 | Sports | 74 | 1.7K | 289 | 332 |
| 239 | Depression | 31 | 1.7K | 28 | 55 |
| 240 | Adolescent | 134 | 1.7K | 137 | 301 |
| 241 | biological factors | 29 | 1.7K | 438 | 263 |
| 242 | Molecular cloning | 35 | 1.6K | 221 | 155 |
| 242 | Genetic recombination | 35 | 1.6K | 213 | 155 |
| 244 | brain mapping | 26 | 1.6K | 138 | 117 |
| 245 | Ecology | 28 | 1.6K | 2096 | 1779 |
| 246 | Autoimmunity | 37 | 1.6K | 97 | 112 |
| 247 | free radicals | 26 | 1.6K | 326 | 321 |
| 248 | Physical Chemistry | 23 | 1.6K | 772 | 503 |
| 249 | Autoimmune diseases | 39 | 1.6K | 52 | 62 |
| 250 | Health Policy | 46 | 1.5K | 402 | 347 |
| 251 | Vaccines | 53 | 1.5K | 231 | 257 |
| 252 | plant molecular biology | 5 | 1.5K | 1052 | 474 |
| 253 | Immunochemistry | 60 | 1.5K | 40 | 71 |
| 254 | Culture techniques | 27 | 1.5K | 25 | 12 |
| 255 | Microelectronics | 6 | 1.5K | 1199 | 429 |
| 256 | Mental Health Services | 58 | 1.5K | 127 | 140 |
| 257 | Molecular Pharmacology | 28 | 1.5K | 129 | 117 |
| 258 | Developmental Disabilities | 20 | 1.5K | 303 | 204 |
| 259 | Oxidation-reduction | 26 | 1.4K | 137 | 197 |
| 260 | Plants | 6 | 1.4K | 1377 | 533 |
| 261 | Cognition | 25 | 1.4K | 564 | 408 |
| 262 | Neuropharmacology | 24 | 1.4K | 86 | 42 |
| 263 | Learning | 27 | 1.4K | 357 | 296 |
| 264 | Community Psychiatry | 45 | 1.4K | 116 | 152 |
| 265 | North America | 51 | 1.4K | 64 | 48 |
| 266 | Animal Behavior | 20 | 1.4K | 679 | 504 |
| 267 | nanoscience | 28 | 1.4K | 917 | 855 |
| 268 | psychotherapy | 38 | 1.4K | 288 | 307 |
| 269 | Neuropsychiatry | 52 | 1.4K | 70 | 111 |
| 270 | Immunogenetics | 40 | 1.4K | 64 | 62 |
| 271 | biological evolution | 21 | 1.3K | 677 | 622 |
| 272 | Bones | 36 | 1.3K | 118 | 172 |
| 273 | Speech Disorders | 37 | 1.3K | 216 | 192 |
| 274 | Membranes | 44 | 1.3K | 365 | 506 |
| 275 | Medical Technology | 49 | 1.3K | 145 | 204 |
| 276 | cytokines | 20 | 1.3K | 286 | 184 |
| 276 | carcinogens | 19 | 1.3K | 234 | 170 |
| 278 | Antioxidants | 21 | 1.2K | 137 | 174 |
| 279 | Retina | 7 | 1.2K | 77 | 75 |
| 279 | eye | 7 | 1.2K | 88 | 81 |
| 281 | occupational diseases | 28 | 1.2K | 133 | 129 |
| 282 | Plant physiology | 17 | 1.2K | 878 | 670 |
| 283 | Child psychology | 34 | 1.2K | 356 | 433 |
| 284 | Autoantibodies | 30 | 1.2K | 65 | 70 |
| 285 | Carcinogenesis | 26 | 1.2K | 183 | 186 |
| 286 | Occupational Health | 29 | 1.2K | 174 | 122 |
| 287 | liver | 50 | 1.1K | 8 | 9 |
| 288 | Hippocampus | 19 | 1.1K | 50 | 67 |
| 289 | cloning | 16 | 1.1K | 154 | 171 |
| 290 | Cell communication | 17 | 1.1K | 97 | 62 |
| 291 | Biomechanics | 30 | 1.1K | 287 | 286 |
| 292 | mutagens | 16 | 1.1K | 227 | 183 |
| 293 | Microbial Ecology | 19 | 1.1K | 781 | 752 |
| 294 | Flow cytometry | 16 | 1.1K | 65 | 21 |
| 295 | Microscopy | 21 | 1.1K | 360 | 173 |
| 296 | behavioral medicine | 41 | 1.1K | 209 | 356 |
| 297 | Clinical Psychology | 31 | 1.1K | 316 | 370 |
| 298 | Speech | 22 | 1.1K | 247 | 185 |
| 299 | Sociology | 25 | 1.1K | 906 | 651 |
| 300 | Sexual health | 54 | 1.1K | 71 | 97 |
| 301 | Polymers | 33 | 1.1K | 1529 | 1299 |
| 302 | drug abuse | 38 | 1.1K | 73 | 63 |
| 303 | Cerebellum | 16 | 1.1K | 54 | 42 |
| 303 | Synapses | 18 | 1.1K | 49 | 37 |
| 303 | Cerebellar ataxia | 16 | 1.1K | 54 | 42 |
| 306 | Biomolecules | 4 | 1.0K | 349 | 88 |
| 306 | Structure-activity relationship | 4 | 1.0K | 170 | 50 |
| 308 | Neurotransmitters | 29 | 1.0K | 84 | 58 |
| 309 | Organ transplantation | 54 | 1.0K | 25 | 24 |
| 310 | Women's health | 39 | 1.0K | 163 | 157 |
| 311 | Cytoskeleton | 22 | 1.0K | 36 | 29 |
| 312 | Electrophysiology | 45 | 1.0K | 126 | 131 |
| 313 | Audiology | 20 | 1.0K | 228 | 153 |
| 314 | Regulation | 4 | 1.0K | 3 | 1 |
| 315 | Cognitive neuroscience | 15 | 1.0K | 395 | 341 |
| 316 | Computational Chemistry | 5 | 992 | 505 | 155 |
| 317 | Asthma | 37 | 973 | 49 | 57 |
| 318 | Tropical Medicine | 39 | 970 | 268 | 259 |
| 319 | Parasitic Diseases | 19 | 963 | 634 | 427 |
| 320 | Family | 31 | 955 | 206 | 192 |
| 321 | Hearing | 22 | 942 | 186 | 123 |
| 322 | RNA | 24 | 940 | 81 | 114 |
| 323 | Health Education | 36 | 931 | 402 | 380 |
| 324 | Smoking | 28 | 928 | 169 | 179 |
| 325 | blood transfusion | 63 | 903 | 60 | 95 |
| 326 | Histochemistry | 18 | 899 | 330 | 183 |
| 326 | child abuse | 13 | 899 | 331 | 215 |
| 328 | Magnetic Resonance Imaging | 46 | 885 | 36 | 61 |
| 329 | Molecular Genetics | 24 | 882 | 545 | 613 |
| 330 | Parasitology | 22 | 868 | 781 | 523 |
| 331 | family violence | 7 | 867 | 245 | 70 |
| 332 | Post-traumatic stress disorder | 19 | 855 | 223 | 203 |
| 333 | older people | 39 | 852 | 319 | 262 |
| 334 | Thorax | 32 | 846 | 75 | 101 |
| 335 | Systems Biology | 34 | 842 | 285 | 335 |
| 336 | Bone diseases | 17 | 841 | 96 | 145 |
| 337 | Pharmacy | 10 | 839 | 1077 | 553 |
| 338 | cell movement | 14 | 835 | 51 | 34 |
| 339 | scientific societies | 37 | 827 | 82 | 128 |
| 340 | Optics | 33 | 821 | 1436 | 1131 |
| 341 | epilepsy | 26 | 816 | 186 | 166 |
| 342 | Antibodies | 25 | 813 | 108 | 113 |
| 343 | Primary health care | 35 | 808 | 341 | 343 |
| 344 | Teaching | 13 | 784 | 777 | 379 |
| 345 | Psychosomatic Medicine | 30 | 781 | 139 | 224 |
| 346 | Biosensors | 18 | 776 | 422 | 535 |
| 347 | Ethology | 11 | 774 | 725 | 586 |
| 347 | violence | 13 | 774 | 412 | 263 |
| 349 | Parenteral nutrition | 30 | 773 | 193 | 299 |
| 349 | Elderly | 30 | 773 | 303 | 129 |
| 351 | Bioenergetics | 21 | 757 | 218 | 262 |
| 351 | Bioinorganic chemistry | 23 | 757 | 454 | 383 |
| 353 | counseling | 35 | 751 | 297 | 331 |
| 353 | drugs | 32 | 751 | 448 | 534 |
| 355 | Extracellular matrix | 11 | 745 | 73 | 77 |
| 355 | collagen | 11 | 745 | 79 | 81 |
| 357 | Astrocytes | 12 | 741 | 155 | 177 |
| 357 | Cytokine | 10 | 741 | 124 | 94 |
| 359 | Psychiatric hospitals | 32 | 736 | 40 | 50 |
| 360 | Chromosomes | 20 | 733 | 225 | 254 |
| 361 | Carbohydrates | 21 | 721 | 61 | 99 |
| 362 | Endocrine system | 121 | 714 | 9 | 25 |
| 363 | glycoproteins | 20 | 713 | 84 | 107 |
| 363 | Glycoconjugates | 20 | 713 | 84 | 107 |
| 363 | glycolipids | 20 | 713 | 84 | 107 |
| 366 | Functional Genomics | 10 | 710 | 83 | 61 |
| 367 | Genetic disorders | 26 | 698 | 93 | 105 |
| 368 | visualization | 94 | 696 | 106 | 223 |
| 369 | Environmental Microbiology | 15 | 692 | 484 | 525 |
| 369 | Quality of life | 24 | 692 | 320 | 404 |
| 371 | drug addiction | 27 | 688 | 286 | 362 |
| 372 | Oligosaccharide | 19 | 684 | 43 | 74 |
| 373 | Gene expression | 3 | 671 | 253 | 50 |
| 374 | Informatics | 12 | 669 | 328 | 181 |
| 375 | Catalysis | 10 | 662 | 2022 | 1619 |
| 376 | Photochemistry | 15 | 661 | 666 | 477 |
| 377 | Geriatric Pharmacology | 13 | 654 | 63 | 30 |
| 378 | Adolescent Psychology | 22 | 645 | 206 | 276 |
| 379 | Personality Assessment | 14 | 644 | 190 | 207 |
| 380 | Dentistry | 15 | 642 | 225 | 123 |
| 381 | Nanostructured Materials | 12 | 636 | 1586 | 1285 |
| 382 | Molecular evolution | 16 | 631 | 535 | 573 |
| 383 | Energy metabolism | 18 | 623 | 207 | 258 |
| 384 | Cognitive Science | 9 | 615 | 822 | 546 |
| 385 | Gerontology | 35 | 612 | 428 | 485 |
| 386 | Language Disorders | 18 | 606 | 283 | 216 |
| 387 | Pollution | 22 | 603 | 2067 | 2411 |
| 388 | Meteorology | 7 | 602 | 1308 | 878 |
| 389 | Growth factors | 3 | 596 | 231 | 94 |
| 390 | Food | 13 | 595 | 1474 | 1273 |
| 391 | Developmental Neurobiology | 14 | 592 | 130 | 86 |
| 391 | Vision | 21 | 592 | 208 | 271 |
| 393 | Biological Systems | 13 | 584 | 111 | 89 |
| 394 | Multiple sclerosis | 38 | 581 | 39 | 60 |
| 395 | Mental Health | 32 | 579 | 341 | 418 |
| 396 | Medical Anthropology | 14 | 578 | 465 | 493 |
| 396 | Neuroimmunology | 8 | 578 | 357 | 285 |
| 398 | monoclonal antibodies | 16 | 575 | 30 | 19 |
| 398 | prostaglandins | 33 | 575 | 39 | 93 |
| 400 | Cardiac electrophysiology | 13 | 574 | 80 | 66 |
| 400 | arrhythmia | 13 | 574 | 80 | 66 |
| 402 | Industrial Microbiology | 6 | 569 | 1301 | 801 |
| 403 | Teratology | 15 | 566 | 62 | 68 |
| 403 | Pediatric Hematology | 37 | 566 | 18 | 16 |
| 403 | Psycholinguistics | 10 | 566 | 489 | 374 |
| 403 | nuclear magnetic resonance spectroscopy | 20 | 566 | 195 | 161 |
| 407 | Neurolinguistics | 8 | 559 | 231 | 156 |
| 408 | Engineering | 36 | 557 | 1174 | 1320 |
| 409 | Medical Ethics | 52 | 556 | 138 | 193 |
| 410 | Nuclear Medicine | 27 | 552 | 229 | 292 |
| 411 | health behavior | 28 | 551 | 193 | 270 |
| 412 | kidney | 5 | 549 | 40 | 18 |
| 413 | Bioelectronics | 7 | 545 | 679 | 596 |
| 414 | Hospitals | 48 | 542 | 60 | 84 |
| 415 | Statistics | 64 | 541 | 512 | 771 |
| 416 | sexual behavior | 13 | 538 | 239 | 203 |
| 417 | Immunopharmacology | 12 | 536 | 415 | 289 |
| 418 | Combinatorial chemistry | 6 | 530 | 456 | 308 |
| 419 | Dietetics | 11 | 529 | 253 | 164 |
| 420 | Metastasis | 7 | 528 | 53 | 83 |
| 420 | behavior therapy | 30 | 528 | 201 | 327 |
| 420 | Suicide | 15 | 528 | 160 | 136 |
| 423 | language | 7 | 518 | 494 | 297 |
| 424 | embryonic development | 7 | 517 | 204 | 98 |
| 425 | environmental pollution | 19 | 515 | 1790 | 2098 |
| 426 | Biometrics | 52 | 514 | 151 | 328 |
| 427 | abnormalities | 13 | 512 | 35 | 40 |
| 428 | Technology | 17 | 511 | 1515 | 1329 |
| 429 | mutation | 10 | 495 | 214 | 210 |
| 429 | software | 13 | 495 | 382 | 371 |
| 431 | Atherosclerosis | 20 | 492 | 18 | 33 |
| 432 | polymerization | 19 | 490 | 1660 | 1536 |
| 433 | Neuroendocrinology | 4 | 488 | 75 | 82 |
| 434 | Education | 14 | 486 | 1682 | 1115 |
| 435 | musculoskeletal system | 6 | 475 | 68 | 20 |
| 436 | Environmental monitoring | 21 | 471 | 1455 | 1902 |
| 437 | Bioethics | 29 | 470 | 184 | 198 |
| 438 | Bacterial diseases | 7 | 469 | 84 | 45 |
| 439 | Signal Processing | 23 | 467 | 940 | 1117 |
| 440 | Brain damage | 23 | 465 | 63 | 113 |
| 441 | Nutrition physiology | 10 | 464 | 301 | 257 |
| 441 | Decision making | 12 | 464 | 603 | 499 |
| 443 | Pediatric Dermatology | 45 | 462 | 36 | 63 |
| 444 | environmental exposure | 14 | 461 | 763 | 787 |
| 445 | Radiotherapy | 49 | 459 | 35 | 56 |
| 446 | Enteral nutrition | 18 | 457 | 232 | 346 |
| 447 | Hematopoietic stem cell transplantation | 10 | 450 | 145 | 147 |
| 448 | Pharmacognosy | 9 | 448 | 1039 | 850 |
| 449 | Erectile dysfunction | 6 | 445 | 134 | 39 |
| 450 | Melanoma | 6 | 439 | 85 | 50 |
| 451 | Social Sciences | 15 | 437 | 1483 | 1047 |
| 452 | drug evaluation | 21 | 430 | 317 | 441 |
| 453 | risk factors | 22 | 428 | 153 | 248 |
| 454 | Insects | 10 | 425 | 740 | 454 |
| 455 | Patient education | 20 | 422 | 159 | 252 |
| 456 | Medical Imaging | 28 | 418 | 50 | 85 |
| 457 | Environmental pollutants | 10 | 413 | 1160 | 1059 |
| 458 | biochemical markers | 8 | 412 | 261 | 95 |
| 459 | Biopharmaceutics | 16 | 407 | 359 | 455 |
| 460 | Emergency Medical Services | 17 | 405 | 146 | 123 |
| 461 | Genetic Counseling | 19 | 403 | 49 | 56 |
| 462 | Genes | 23 | 401 | 251 | 375 |
| 463 | Electronics | 22 | 400 | 1287 | 1311 |
| 463 | Neuroimaging | 21 | 400 | 46 | 71 |
| 463 | elder abuse | 3 | 400 | 297 | 96 |
| 466 | DNA | 24 | 398 | 57 | 126 |
| 467 | biomedicine | 11 | 397 | 130 | 153 |
| 468 | Contraception | 18 | 395 | 149 | 193 |
| 469 | Health Services Research | 20 | 394 | 462 | 542 |
| 470 | Mathematics | 29 | 386 | 2452 | 2167 |
| 471 | extraterrestrial environment | 10 | 382 | 232 | 130 |
| 471 | Radiation effects | 10 | 382 | 234 | 249 |
| 473 | Semantics | 2 | 381 | 292 | 40 |
| 474 | Nanoparticles | 12 | 380 | 889 | 888 |
| 475 | Oxidative stress | 10 | 379 | 340 | 554 |
| 475 | Altitude Sickness | 8 | 379 | 45 | 25 |
| 475 | Altitude | 8 | 379 | 45 | 25 |
| 478 | Biomarkers | 6 | 371 | 206 | 63 |
| 479 | Light | 10 | 369 | 446 | 638 |
| 480 | Insect biochemistry | 5 | 366 | 298 | 190 |
| 481 | Psychoneuroimmunology | 5 | 363 | 409 | 363 |
| 482 | Health insurance | 16 | 362 | 114 | 172 |
| 483 | Radiation Oncology | 15 | 361 | 85 | 103 |
| 484 | X-rays | 26 | 358 | 54 | 88 |
| 485 | Physical organic chemistry | 13 | 357 | 676 | 599 |
| 485 | tomography | 29 | 357 | 38 | 83 |
| 487 | pollutants | 7 | 355 | 1179 | 985 |
| 488 | Interferons | 8 | 351 | 101 | 69 |
| 489 | Sarcopenia | 5 | 349 | 237 | 216 |
| 489 | Family Therapy | 23 | 349 | 180 | 244 |
| 491 | Cognitive Therapy | 20 | 346 | 151 | 259 |
| 492 | Malaria | 9 | 345 | 293 | 241 |
| 493 | Orthopedic Surgery | 14 | 338 | 245 | 256 |
| 493 | Condensed Matter | 6 | 338 | 2045 | 1499 |
| 495 | data collection | 19 | 337 | 235 | 485 |
| 496 | Psychiatric Epidemiology | 10 | 336 | 185 | 249 |
| 497 | Data Mining | 20 | 332 | 396 | 736 |
| 497 | Socioeconomic Factors | 6 | 332 | 473 | 287 |
| 499 | voice | 24 | 329 | 76 | 141 |
| 500 | Artificial Intelligence | 8 | 325 | 2380 | 1900 |
| 500 | Brachytherapy | 24 | 325 | 34 | 40 |
| 500 | Developmental Immunology | 6 | 325 | 360 | 277 |
| 503 | Forensic Pathology | 18 | 323 | 11 | 14 |
| 504 | Public opinion | 4 | 318 | 348 | 175 |
| 505 | Community Psychology | 2 | 316 | 662 | 300 |
| 506 | plant communities | 4 | 312 | 862 | 698 |
| 507 | health services accessibility | 12 | 308 | 358 | 368 |
| 508 | Nanomedicine | 5 | 307 | 109 | 58 |
| 508 | Respiratory Infections | 2 | 307 | 331 | 90 |
| 508 | DNS | 16 | 307 | 87 | 159 |
| 508 | gastrointestinal tract | 4 | 307 | 246 | 214 |
| 512 | natural products | 10 | 304 | 966 | 732 |
| 513 | healthcare disparities | 13 | 303 | 151 | 160 |
| 514 | Social Psychology | 18 | 302 | 829 | 1166 |
| 514 | Image Processing | 13 | 302 | 1096 | 1192 |
| 516 | Music | 22 | 297 | 177 | 257 |
| 517 | Hemophilia | 13 | 294 | 137 | 144 |
| 518 | Photobiology | 5 | 292 | 1044 | 646 |
| 518 | health planning | 7 | 292 | 1437 | 897 |
| 520 | Randomized Controlled Trials | 16 | 288 | 336 | 304 |
| 521 | Systems Engineering | 4 | 285 | 1927 | 1059 |
| 522 | Influenza | 1 | 283 | 369 | 51 |
| 523 | Chemical Engineering | 4 | 282 | 3328 | 2594 |
| 524 | Palliative Care | 17 | 280 | 238 | 290 |
| 525 | anesthesia | 32 | 279 | 44 | 77 |
| 526 | Electrophoresis | 11 | 278 | 787 | 805 |
| 526 | Freeze-Drying | 8 | 278 | 143 | 115 |
| 526 | Hypothermia | 8 | 278 | 143 | 115 |
| 526 | Freeze Drying | 8 | 278 | 143 | 115 |
| 530 | Clinical Pharmacology | 11 | 276 | 601 | 606 |
| 531 | mental processes | 15 | 274 | 95 | 109 |
| 532 | Neurotoxicology | 9 | 272 | 228 | 277 |
| 533 | Molecular Imaging | 11 | 271 | 250 | 342 |
| 534 | Geriatric Oncology | 8 | 270 | 257 | 276 |
| 534 | Bacteria | 2 | 270 | 393 | 256 |
| 536 | soil microbiology | 6 | 268 | 965 | 1083 |
| 537 | Europe | 8 | 267 | 1707 | 1277 |
| 538 | Eating Disorders | 13 | 265 | 343 | 427 |
| 539 | families | 15 | 264 | 306 | 323 |
| 540 | embryo transfer | 9 | 263 | 188 | 166 |
| 541 | Feeding and Eating Disorders | 12 | 262 | 343 | 410 |
| 542 | Hemostasis | 13 | 261 | 283 | 312 |
| 543 | Parasites | 9 | 258 | 871 | 738 |
| 544 | Electroconvulsive therapy | 11 | 255 | 17 | 18 |
| 545 | peptides | 5 | 251 | 557 | 245 |
| 545 | cell membrane | 10 | 251 | 288 | 395 |
| 547 | body temperature | 8 | 250 | 206 | 163 |
| 548 | sports injuries | 20 | 248 | 92 | 177 |
| 549 | Fluorescence spectroscopy | 12 | 247 | 64 | 81 |
| 549 | Molecular Spectroscopy | 12 | 247 | 889 | 973 |
| 551 | Andrology | 14 | 246 | 192 | 261 |
| 552 | hospice care | 14 | 240 | 152 | 170 |
| 553 | Structural biology | 5 | 235 | 11 | 15 |
| 553 | preimplantation genetic diagnosis | 8 | 235 | 196 | 169 |
| 553 | Personality Disorders | 8 | 235 | 117 | 170 |
| 556 | Geriatric Psychiatry | 11 | 223 | 402 | 497 |
| 557 | Health Services Administration | 8 | 222 | 482 | 469 |
| 558 | Statistical physics | 14 | 219 | 1661 | 1845 |
| 559 | Public Policy | 9 | 217 | 921 | 991 |
| 560 | Ethics | 12 | 213 | 363 | 365 |
| 561 | Food additives | 4 | 211 | 879 | 802 |
| 562 | Agricultural Chemistry | 5 | 210 | 1629 | 1396 |
| 563 | Drug discovery | 8 | 208 | 69 | 107 |
| 564 | Surface Chemistry | 10 | 206 | 2113 | 2391 |
| 564 | Information Science | 6 | 206 | 1840 | 1721 |
| 566 | Mechatronics | 2 | 204 | 1094 | 537 |
| 566 | Menopause | 6 | 204 | 160 | 126 |
| 568 | Cognitive Behavioral Therapy | 11 | 201 | 40 | 84 |
| 568 | eugenics | 15 | 201 | 136 | 259 |
| 570 | Occupational Therapy | 10 | 200 | 466 | 295 |
| 570 | Social work | 9 | 200 | 754 | 619 |
| 572 | Microcirculation | 10 | 198 | 174 | 275 |
| 572 | Communication | 6 | 198 | 1427 | 1238 |
| 574 | Diagnosis | 16 | 193 | 78 | 156 |
| 575 | sex crimes | 5 | 191 | 460 | 365 |
| 576 | environmental protection | 8 | 190 | 2207 | 2416 |
| 576 | Biodiversity | 6 | 190 | 1508 | 1341 |
| 578 | Neurovirology | 9 | 188 | 97 | 130 |
| 579 | Intellectual disability | 4 | 187 | 638 | 430 |
| 580 | Lymphoma | 14 | 186 | 90 | 94 |
| 580 | Multiple Myeloma | 14 | 186 | 89 | 91 |
| 582 | Anthropology | 10 | 184 | 786 | 768 |
| 582 | Medicinal plants | 2 | 184 | 1604 | 1080 |
| 582 | System analysis | 10 | 184 | 1326 | 1469 |
| 582 | health services | 12 | 184 | 410 | 547 |
| 582 | Yeast | 4 | 184 | 338 | 298 |
| 587 | Nursing | 20 | 183 | 635 | 917 |
| 587 | Child welfare | 10 | 183 | 499 | 566 |
| 589 | Behavioral Genetics | 2 | 182 | 284 | 188 |
| 590 | Microfabrication | 9 | 180 | 130 | 162 |
| 590 | rare diseases | 14 | 180 | 205 | 371 |
| 592 | actuators | 5 | 179 | 1680 | 1634 |
| 592 | transducers | 5 | 179 | 1680 | 1634 |
| 594 | Information Systems | 10 | 177 | 664 | 876 |
| 595 | Marriage | 8 | 176 | 259 | 287 |
| 595 | Marriage counseling | 8 | 176 | 144 | 195 |
| 597 | Colloids | 12 | 174 | 1969 | 2604 |
| 598 | adolescence | 8 | 173 | 515 | 619 |
| 599 | Computer Vision | 6 | 172 | 789 | 864 |
| 600 | complementary therapies | 8 | 171 | 894 | 1049 |
| 600 | feeding behavior | 4 | 171 | 587 | 553 |
| 600 | Appetite | 4 | 171 | 522 | 494 |
| 603 | Androgens | 8 | 169 | 97 | 159 |
| 603 | Immune response | 4 | 169 | 16 | 3 |
| 605 | Zoology | 8 | 167 | 1542 | 1347 |
| 605 | Cell survival | 4 | 167 | 139 | 141 |
| 605 | molecular chaperones | 4 | 167 | 170 | 143 |
| 608 | optical instruments | 7 | 166 | 186 | 203 |
| 608 | optical phenomena | 7 | 166 | 42 | 67 |
| 608 | Chromatographic analysis | 10 | 166 | 966 | 1034 |
| 611 | Cybernetics | 5 | 165 | 1198 | 1128 |
| 611 | personality | 9 | 165 | 822 | 1187 |
| 613 | Alternative Medicine | 5 | 164 | 1074 | 1037 |
| 614 | Synaptic Transmission | 6 | 161 | 294 | 340 |
| 615 | cell adhesion molecules | 1 | 159 | 368 | 223 |
| 616 | Maternal health services | 7 | 158 | 176 | 211 |
| 616 | Scanning electron microscopy | 7 | 158 | 33 | 47 |
| 618 | Plant genetic engineering | 7 | 155 | 500 | 719 |
| 619 | Electrochemistry | 9 | 154 | 2261 | 2299 |
| 619 | calcification | 6 | 154 | 317 | 391 |
| 621 | Pediatric Endocrinology | 13 | 151 | 64 | 94 |
| 621 | Cardiopulmonary Resuscitation | 15 | 151 | 16 | 16 |
| 621 | cardiac arrest | 15 | 151 | 16 | 16 |
| 621 | Nuclear family | 6 | 151 | 95 | 48 |
| 625 | Genetic Toxicology | 4 | 148 | 326 | 379 |
| 625 | Food Microbiology | 3 | 148 | 1114 | 1093 |
| 627 | Humanities | 3 | 145 | 1974 | 767 |
| 628 | Neurogenetics | 11 | 144 | 74 | 183 |
| 628 | Emergency Nursing | 2 | 144 | 182 | 58 |
| 630 | Mycology | 6 | 143 | 1031 | 1132 |
| 630 | Cheminformatics | 4 | 143 | 231 | 324 |
| 632 | China | 9 | 142 | 1602 | 1846 |
| 633 | toxicity testing | 4 | 141 | 480 | 409 |
| 633 | mammals | 9 | 141 | 506 | 612 |
| 635 | Mass Spectrometry | 9 | 139 | 611 | 752 |
| 636 | Electrocardiography | 9 | 138 | 122 | 124 |
| 636 | Synthetic biology | 2 | 138 | 366 | 232 |
| 638 | Solid State Chemistry | 6 | 137 | 1878 | 1726 |
| 638 | Genetic translocation | 9 | 137 | 60 | 156 |
| 638 | plasmids | 9 | 137 | 60 | 156 |
| 641 | Adipose tissue | 4 | 135 | 36 | 29 |
| 642 | food technology | 2 | 134 | 2679 | 2005 |
| 642 | Measurement | 1 | 134 | 2054 | 966 |
| 642 | Respiratory system | 6 | 134 | 345 | 438 |
| 642 | Radioisotopes | 16 | 134 | 356 | 551 |
| 642 | Asia | 9 | 134 | 1557 | 1615 |
| 642 | standardization | 1 | 134 | 111 | 24 |
| 648 | psychophysics | 2 | 131 | 446 | 200 |
| 648 | Surface properties | 4 | 131 | 1035 | 1142 |
| 650 | ethnicity | 9 | 130 | 319 | 334 |
| 650 | Immunohistochemistry | 9 | 130 | 54 | 71 |
| 652 | Youth | 4 | 129 | 561 | 572 |
| 652 | child behavior | 9 | 129 | 171 | 352 |
| 654 | Pharmacogenomics | 4 | 128 | 201 | 224 |
| 654 | Cross-Cultural Studies | 9 | 128 | 295 | 479 |
| 656 | Human-Computer Interaction | 6 | 127 | 1049 | 1208 |
| 656 | Aggression | 4 | 127 | 394 | 451 |
| 658 | Cardiovascular Pharmacology | 6 | 126 | 118 | 181 |
| 658 | psychopathology | 3 | 126 | 300 | 293 |
| 660 | gene transfer | 4 | 125 | 189 | 184 |
| 660 | genetic transformation | 4 | 125 | 189 | 184 |
| 662 | Pharmaceutical Technology | 5 | 123 | 1141 | 1260 |
| 662 | Soviet Union | 10 | 123 | 236 | 188 |
| 664 | Philosophy | 1 | 122 | 2118 | 656 |
| 665 | paraphilias | 4 | 121 | 126 | 137 |
| 666 | pain management | 5 | 119 | 411 | 423 |
| 667 | Apoptosis | 4 | 118 | 175 | 212 |
| 667 | neurotoxins | 4 | 118 | 175 | 212 |
| 667 | physical therapy techniques | 3 | 118 | 120 | 55 |
| 667 | Neurotoxic agents | 4 | 118 | 175 | 212 |
| 667 | chromatin | 2 | 118 | 157 | 137 |
| 667 | Nerve regeneration | 4 | 118 | 175 | 212 |
| 673 | Human biology | 6 | 116 | 408 | 415 |
| 674 | Developmental Psychology | 1 | 115 | 1522 | 874 |
| 674 | mass transfer | 1 | 115 | 2246 | 1474 |
| 674 | human development | 1 | 115 | 1231 | 739 |
| 674 | ethanol | 9 | 115 | 205 | 359 |
| 678 | Physical fitness | 4 | 114 | 855 | 845 |
| 679 | Social behavior | 4 | 113 | 988 | 990 |
| 680 | Forensic Psychology | 4 | 112 | 320 | 258 |
| 680 | Precision medicine | 13 | 112 | 56 | 122 |
| 680 | Laser therapy | 12 | 112 | 131 | 233 |
| 680 | Ion channels | 4 | 112 | 70 | 71 |
| 680 | Spectrum analysis | 9 | 112 | 2482 | 2943 |
| 685 | Mathematical Physics | 2 | 111 | 3014 | 1828 |
| 685 | Protein folding | 2 | 111 | 103 | 70 |
| 687 | Travel | 8 | 109 | 351 | 521 |
| 688 | Pharmacokinetics | 9 | 108 | 379 | 795 |
| 688 | Nonlinear Dynamics | 12 | 108 | 1045 | 1445 |
| 688 | Retinal diseases | 13 | 108 | 18 | 11 |
| 691 | Entropy | 4 | 107 | 1052 | 744 |
| 691 | cross-cultural comparison | 6 | 107 | 301 | 365 |
| 691 | Parkinson's disease | 4 | 107 | 185 | 227 |
| 694 | urban health | 5 | 103 | 146 | 216 |
| 694 | Plant breeding | 5 | 103 | 531 | 620 |
| 696 | Ultrasonics | 4 | 101 | 1047 | 1281 |
| 696 | Ultrasound | 3 | 101 | 696 | 629 |
| 698 | Photography | 16 | 100 | 473 | 329 |
| 698 | Comparative Physiology | 2 | 100 | 886 | 726 |
| 698 | child mental health | 9 | 100 | 218 | 369 |
| 701 | Antibacterial agents | 7 | 99 | 349 | 645 |
| 701 | Algae | 1 | 99 | 1046 | 663 |
| 701 | Seaweed | 1 | 99 | 821 | 554 |
| 704 | Synchrotron Radiation | 3 | 98 | 364 | 253 |
| 705 | catalytic activity | 1 | 97 | 974 | 689 |
| 706 | Nuclear Physics | 5 | 96 | 2890 | 2758 |
| 706 | Analytical Toxicology | 4 | 96 | 145 | 159 |
| 708 | Computer Graphics | 6 | 95 | 1228 | 1372 |
| 708 | Peroxisomes | 2 | 95 | 37 | 56 |
| 708 | Japan | 2 | 95 | 2076 | 1290 |
| 711 | Computer-Aided Design | 2 | 91 | 1444 | 1006 |
| 712 | Breeding | 4 | 90 | 946 | 1041 |
| 713 | Plant Genetics | 2 | 88 | 757 | 780 |
| 713 | Biochemical Genetics | 5 | 88 | 286 | 212 |
| 713 | primary prevention | 4 | 88 | 292 | 377 |
| 713 | vitamins | 4 | 88 | 82 | 168 |
| 717 | amino acids | 5 | 87 | 392 | 612 |
| 718 | Solid State Physics | 6 | 86 | 2608 | 2702 |
| 718 | Professional ethics | 7 | 86 | 96 | 246 |
| 718 | Transgenic plants | 7 | 86 | 203 | 488 |
| 721 | Chromatography | 6 | 85 | 1102 | 1323 |
| 722 | Information Technology | 6 | 83 | 1782 | 2155 |
| 722 | Educational Technology | 6 | 83 | 1133 | 1522 |
| 722 | Genetic markers | 8 | 83 | 62 | 196 |
| 725 | Exercise therapy | 4 | 82 | 362 | 314 |
| 726 | Entomology | 11 | 81 | 1184 | 1608 |
| 727 | health and race | 4 | 80 | 142 | 190 |
| 727 | Ultrasonic Imaging | 3 | 80 | 504 | 497 |
| 727 | Metabolic disorders in children | 10 | 80 | 73 | 142 |
| 730 | Coronary heart disease | 13 | 79 | 26 | 111 |
| 731 | Robotics | 5 | 78 | 1348 | 1519 |
| 732 | Genetic epidemiology | 7 | 77 | 126 | 245 |
| 732 | Crystallization | 7 | 77 | 291 | 334 |
| 732 | heredity | 8 | 77 | 346 | 560 |
| 735 | Cochlear Implants | 7 | 76 | 34 | 51 |
| 735 | Quality Control | 3 | 76 | 1679 | 1698 |
| 735 | Long-Term Care | 9 | 76 | 229 | 572 |
| 735 | Long-term care facilities | 9 | 76 | 228 | 569 |
| 739 | Experimental Design | 2 | 75 | 292 | 276 |
| 739 | Adult Education | 4 | 75 | 514 | 428 |
| 739 | Nutritional support | 2 | 75 | 206 | 238 |
| 739 | Animal welfare | 2 | 75 | 338 | 276 |
| 743 | Nuclear Engineering | 9 | 74 | 808 | 1080 |
| 743 | Supramolecular chemistry | 1 | 74 | 502 | 158 |
| 745 | Engineering Ethics | 4 | 73 | 154 | 209 |
| 745 | Counseling Psychology | 3 | 73 | 231 | 283 |
| 745 | Fertilization | 1 | 73 | 127 | 84 |
| 745 | Detectors | 2 | 73 | 1744 | 1465 |
| 745 | Familial diseases | 5 | 73 | 101 | 156 |
| 745 | gametes | 1 | 73 | 127 | 84 |
| 751 | Control Theory | 3 | 72 | 1712 | 1446 |
| 751 | locomotion | 7 | 72 | 379 | 656 |
| 751 | posture | 7 | 72 | 379 | 656 |
| 751 | Drug delivery devices | 1 | 72 | 477 | 429 |
| 751 | internet | 2 | 72 | 1880 | 1557 |
| 751 | gait | 7 | 72 | 379 | 656 |
| 751 | walking | 7 | 72 | 379 | 656 |
| 758 | Neuroanatomy | 1 | 71 | 474 | 270 |
| 759 | transgenic organisms | 6 | 70 | 105 | 316 |
| 759 | transgenic animals | 6 | 70 | 98 | 312 |
| 761 | Carbon | 1 | 69 | 1755 | 1642 |
| 761 | artificial cells | 3 | 69 | 98 | 62 |
| 763 | Environmental Engineering | 4 | 68 | 2995 | 3403 |
| 763 | Cultural diversity | 2 | 68 | 227 | 237 |
| 765 | Molecular recognition | 6 | 67 | 79 | 218 |
| 765 | Telecommunication | 2 | 67 | 2790 | 2238 |
| 765 | plasma | 5 | 67 | 59 | 89 |
| 768 | Vocational guidance | 5 | 66 | 668 | 988 |
| 769 | Cell adhesion | 2 | 65 | 184 | 229 |
| 770 | Environmental Policy | 3 | 63 | 2955 | 3445 |
| 770 | Environmental Law | 3 | 63 | 989 | 1499 |
| 770 | breastfeeding | 6 | 63 | 265 | 512 |
| 770 | Educational measurement | 1 | 63 | 316 | 167 |
| 770 | Pancreatic diseases | 6 | 63 | 208 | 349 |
| 775 | Clinical Laboratory Science | 3 | 62 | 190 | 176 |
| 775 | Cost control | 8 | 62 | 61 | 115 |
| 775 | Luminescence | 4 | 62 | 1241 | 1334 |
| 775 | Osteoporosis | 3 | 62 | 309 | 356 |
| 775 | Fluorescence | 5 | 62 | 298 | 422 |
| 780 | Veterinary Immunology | 3 | 61 | 312 | 359 |
| 780 | Bereavement | 7 | 61 | 66 | 172 |
| 782 | Social welfare | 2 | 60 | 701 | 538 |
| 782 | monitoring | 5 | 60 | 162 | 236 |
| 784 | blood substitutes | 2 | 59 | 98 | 59 |
| 784 | Communication in medicine | 2 | 59 | 631 | 565 |
| 784 | chronic disease | 3 | 59 | 258 | 317 |
| 784 | Exercise | 5 | 59 | 1108 | 1370 |
| 788 | Systems Analysis | 5 | 58 | 880 | 1179 |
| 788 | Optical materials | 3 | 58 | 2311 | 2569 |
| 788 | Drosophila | 4 | 58 | 17 | 54 |
| 788 | Protein engineering | 1 | 58 | 368 | 288 |
| 788 | Liquid chromatography | 5 | 58 | 336 | 363 |
| 788 | Nitric oxide | 1 | 58 | 515 | 411 |
| 788 | Chronic diseases | 4 | 58 | 479 | 712 |
| 795 | Entrepreneurship | 1 | 57 | 1632 | 1396 |
| 795 | Mitochondria | 1 | 57 | 502 | 402 |
| 795 | Small Business | 1 | 57 | 1151 | 1146 |
| 795 | Longevity | 3 | 57 | 154 | 233 |
| 795 | weight loss | 5 | 57 | 85 | 183 |
| 800 | Cell migration | 1 | 54 | 197 | 176 |
| 800 | Social Issues | 3 | 54 | 255 | 352 |
| 800 | Organometallic chemistry | 4 | 54 | 1924 | 2036 |
| 800 | Mutagenesis | 2 | 54 | 567 | 477 |
| 800 | sadness | 1 | 54 | 511 | 239 |
| 800 | cilia | 2 | 54 | 20 | 48 |
| 800 | death | 1 | 54 | 649 | 291 |
| 800 | antisocial personality disorder | 1 | 54 | 511 | 239 |
| 808 | Nanobiotechnology | 2 | 53 | 521 | 810 |
| 808 | Ocular Motility Disorders | 3 | 53 | 15 | 2 |
| 808 | Soft Condensed Matter | 2 | 53 | 1173 | 1189 |
| 808 | Gene library | 1 | 53 | 154 | 147 |
| 808 | biopolymers | 2 | 53 | 1284 | 1314 |
| 808 | antibiotics | 1 | 53 | 427 | 296 |
| 808 | prions | 1 | 53 | 139 | 95 |
| 815 | Animal Nutrition | 2 | 52 | 670 | 622 |
| 815 | Dialysis | 4 | 52 | 74 | 59 |
| 815 | Autism spectrum disorders | 1 | 52 | 115 | 95 |
| 815 | Immunotoxicology | 2 | 52 | 390 | 339 |
| 815 | disabilities | 3 | 52 | 666 | 750 |
| 815 | Blood vessels | 7 | 52 | 182 | 490 |
| 815 | Relationships | 3 | 52 | 158 | 264 |
| 822 | Stress | 4 | 51 | 202 | 433 |
| 823 | Behavioral research | 4 | 50 | 471 | 580 |
| 823 | Radio | 2 | 50 | 1500 | 1458 |
| 823 | computer networks | 2 | 50 | 2624 | 2451 |
| 826 | Political Science | 1 | 49 | 2347 | 1345 |
| 826 | Vocational Education | 1 | 49 | 856 | 574 |
| 826 | dual diagnosis | 31 | 49 | 3 | 76 |
| 826 | Politics | 1 | 49 | 756 | 440 |
| 826 | Pediatric Neuropsychology | 8 | 49 | 14 | 69 |
| 826 | government | 1 | 49 | 823 | 496 |
| 826 | Gastrointestinal diseases | 7 | 49 | 345 | 698 |
| 833 | Metabolic syndrome | 4 | 48 | 165 | 382 |
| 834 | Computer Science | 4 | 47 | 1819 | 1994 |
| 834 | Pediatric Rheumatology | 5 | 47 | 134 | 243 |
| 834 | patient satisfaction | 6 | 47 | 47 | 74 |
| 837 | Educational Psychology | 5 | 46 | 1048 | 1545 |
| 837 | Remote Sensing | 1 | 46 | 2218 | 1372 |
| 837 | homosexuality | 3 | 46 | 408 | 528 |
| 837 | Australia | 5 | 46 | 1320 | 1786 |
| 837 | remote sensing technology | 1 | 46 | 46 | 38 |
| 842 | Pediatric Nursing | 6 | 45 | 223 | 475 |
| 842 | Electron Microscopy | 5 | 45 | 295 | 468 |
| 844 | School Psychology | 4 | 42 | 384 | 637 |
| 844 | Genetic polymorphisms | 6 | 42 | 6 | 3 |
| 846 | Linguistics | 1 | 41 | 1910 | 1260 |
| 846 | Antiviral agents | 3 | 41 | 242 | 376 |
| 846 | dietary supplements | 2 | 41 | 1074 | 1314 |
| 846 | Opioids | 1 | 41 | 10 | 10 |
| 846 | venom | 3 | 41 | 716 | 1000 |
| 846 | Toxins | 3 | 41 | 825 | 1104 |
| 852 | Biofeedback | 2 | 40 | 136 | 251 |
| 852 | men | 2 | 40 | 395 | 449 |
| 852 | synthesis | 4 | 40 | 996 | 1130 |
| 852 | mathematical concepts | 7 | 40 | 194 | 439 |
| 856 | Learning disabilities | 1 | 39 | 1179 | 964 |
| 856 | Plant tissue culture | 2 | 39 | 850 | 1031 |
| 856 | nucleotides | 3 | 39 | 327 | 279 |
| 856 | Plant cell culture | 2 | 39 | 762 | 1019 |
| 856 | Heterocyclic compounds | 3 | 39 | 1017 | 1021 |
| 861 | Obstetric Nursing | 5 | 38 | 159 | 345 |
| 861 | Radiochemistry | 1 | 38 | 1496 | 946 |
| 861 | rural health | 1 | 38 | 271 | 254 |
| 861 | rejuvenation | 1 | 38 | 263 | 276 |
| 861 | magnetic resonance | 5 | 38 | 407 | 602 |
| 866 | Social stigma | 1 | 36 | 15 | 20 |
| 866 | Emotions | 1 | 36 | 900 | 891 |
| 868 | Conservation Biology | 3 | 35 | 1026 | 1424 |
| 868 | Biofilms | 1 | 35 | 336 | 384 |
| 870 | ethnic groups | 2 | 34 | 436 | 520 |
| 870 | Developing countries | 4 | 34 | 1942 | 2687 |
| 872 | Kidney transplantation | 1 | 33 | 95 | 66 |
| 872 | Wildlife conservation | 2 | 33 | 1163 | 1495 |
| 872 | Mobile genetic elements | 4 | 33 | 52 | 210 |
| 872 | crime victims | 3 | 33 | 142 | 246 |
| 876 | Voice Disorders | 2 | 32 | 72 | 93 |
| 876 | Psychometrics | 2 | 32 | 506 | 594 |
| 876 | Health Risk Assessment | 2 | 32 | 591 | 713 |
| 876 | Jurisprudence | 2 | 32 | 1034 | 999 |
| 880 | Climatology | 2 | 31 | 1838 | 2137 |
| 880 | Risk Management | 4 | 31 | 523 | 993 |
| 880 | drug resistance | 3 | 31 | 659 | 1143 |
| 880 | Memory disorders | 2 | 31 | 356 | 465 |
| 880 | Holistic Health | 1 | 31 | 892 | 659 |
| 880 | behavior modification | 2 | 31 | 447 | 640 |
| 880 | Africa | 1 | 31 | 2357 | 1547 |
| 880 | allied health | 1 | 31 | 506 | 431 |
| 888 | Morphogenesis | 3 | 30 | 35 | 196 |
| 888 | bioclimatology | 1 | 30 | 1563 | 1420 |
| 888 | Evidence-Based Medicine | 7 | 30 | 353 | 1122 |
| 888 | Safety management | 3 | 30 | 600 | 843 |
| 888 | Climate | 1 | 30 | 1006 | 996 |
| 888 | weather | 1 | 30 | 978 | 971 |
| 888 | pigments | 1 | 30 | 1382 | 1345 |
| 888 | children | 5 | 30 | 329 | 705 |
| 896 | Geriatric Medicine | 2 | 29 | 198 | 320 |
| 896 | particle accelerators | 1 | 29 | 195 | 183 |
| 896 | Animal husbandry | 1 | 29 | 505 | 483 |
| 896 | Risk assessment | 1 | 29 | 1162 | 957 |
| 896 | Organogenesis | 2 | 29 | 40 | 149 |
| 896 | Health risk communication | 1 | 29 | 162 | 151 |
| 896 | Hallucinogens | 2 | 29 | 209 | 326 |
| 896 | policy making | 1 | 29 | 55 | 56 |
| 896 | Oligosaccharides | 1 | 29 | 448 | 464 |
| 896 | particle beams | 1 | 29 | 188 | 178 |
| 896 | security measures | 1 | 29 | 149 | 107 |
| 896 | Radio waves | 1 | 29 | 1166 | 1124 |
| 896 | livestock | 1 | 29 | 767 | 650 |
| 896 | transport vesicles | 1 | 29 | 394 | 585 |
| 910 | Global Health | 6 | 28 | 648 | 1401 |
| 910 | Radiation Protection | 4 | 28 | 508 | 627 |
| 910 | Disease management | 2 | 28 | 126 | 156 |
| 910 | Student Health Services | 1 | 28 | 492 | 487 |
| 910 | Trace elements | 1 | 28 | 525 | 636 |
| 910 | NMR | 4 | 28 | 458 | 688 |
| 916 | animals | 1 | 27 | 1749 | 1481 |
| 916 | Agriculture | 4 | 27 | 1726 | 2573 |
| 916 | Fisheries | 1 | 27 | 2082 | 1820 |
| 919 | Astrophysics | 1 | 26 | 3330 | 3037 |
| 919 | Cell division | 3 | 26 | 330 | 721 |
| 919 | professional practice | 18 | 26 | 28 | 115 |
| 922 | Numerical Analysis | 2 | 25 | 2642 | 2596 |
| 922 | Neural circuitry | 1 | 25 | 2755 | 2792 |
| 922 | bioluminescence | 2 | 25 | 504 | 534 |
| 922 | Porous materials | 2 | 25 | 978 | 1124 |
| 926 | Evolutionary Genetics | 2 | 24 | 811 | 1178 |
| 926 | Molecular Epidemiology | 2 | 24 | 811 | 1178 |
| 926 | Geographic information systems | 2 | 24 | 1358 | 1506 |
| 926 | Calcium | 2 | 24 | 3 | 21 |
| 926 | Phosphorylation | 2 | 24 | 3 | 21 |
| 931 | Surface-Active Agents | 3 | 23 | 1142 | 2003 |
| 931 | Feasibility studies | 2 | 23 | 323 | 309 |
| 931 | Production Management | 2 | 23 | 1379 | 1929 |
| 934 | Respiratory Therapy | 1 | 22 | 68 | 75 |
| 934 | Quantum electronics | 1 | 22 | 2192 | 1940 |
| 934 | Psychoanalysis | 4 | 22 | 277 | 319 |
| 934 | Protozoa | 1 | 22 | 685 | 732 |
| 934 | gases | 1 | 22 | 68 | 75 |
| 939 | Intercultural Communication | 3 | 21 | 438 | 799 |
| 939 | Morphology | 1 | 21 | 1378 | 1126 |
| 939 | Plant Morphology | 1 | 21 | 996 | 1007 |
| 939 | Human evolution | 2 | 21 | 478 | 753 |
| 939 | Ferroelectricity | 1 | 21 | 1462 | 1174 |
| 939 | Hypertension in pregnancy | 1 | 21 | 322 | 294 |
| 939 | Sound | 1 | 21 | 1555 | 1300 |
| 939 | family counseling | 2 | 21 | 146 | 188 |
| 939 | disaster relief | 1 | 21 | 419 | 462 |
| 939 | Radio frequency | 1 | 21 | 694 | 772 |
| 939 | Pregnancy | 2 | 21 | 950 | 1298 |
| 950 | Serology | 3 | 20 | 476 | 949 |
| 950 | Telemedicine | 3 | 20 | 298 | 733 |
| 950 | radiation monitoring | 3 | 20 | 537 | 700 |
| 950 | Reproductive health | 3 | 20 | 699 | 1279 |
| 950 | Radiation dosimetry | 3 | 20 | 415 | 573 |
| 950 | Primates | 2 | 20 | 803 | 1030 |
| 956 | Industrial Safety | 3 | 19 | 1162 | 1798 |
| 956 | Hemodialysis | 3 | 19 | 46 | 33 |
| 956 | Sexuality | 2 | 19 | 385 | 518 |
| 956 | Industry | 1 | 19 | 434 | 724 |
| 956 | drug toxicity | 1 | 19 | 928 | 1145 |
| 961 | Criminology | 4 | 18 | 801 | 1222 |
| 961 | Criminal Law | 4 | 18 | 239 | 423 |
| 961 | Virtual reality | 2 | 18 | 514 | 784 |
| 961 | Homelessness | 5 | 18 | 23 | 91 |
| 961 | Psychological Stress | 5 | 18 | 23 | 91 |
| 961 | pediatric pharmacology | 4 | 18 | 63 | 98 |
| 961 | Egypt | 1 | 18 | 1134 | 1314 |
| 968 | Psychiatric Nursing | 2 | 17 | 795 | 1095 |
| 968 | Kinetics | 1 | 17 | 908 | 919 |
| 968 | emergency management | 1 | 17 | 1144 | 1294 |
| 968 | Radiopharmaceuticals | 3 | 17 | 281 | 371 |
| 968 | hazard mitigation | 1 | 17 | 1578 | 1770 |
| 968 | mathematical analysis | 1 | 17 | 3068 | 2635 |
| 974 | Sustainable Development | 1 | 16 | 3091 | 3431 |
| 974 | Chronobiology | 1 | 16 | 890 | 918 |
| 974 | Ergonomics | 8 | 16 | 527 | 1433 |
| 974 | Photonics | 2 | 16 | 1906 | 2479 |
| 974 | Circadian rhythms | 1 | 16 | 681 | 803 |
| 974 | epidemiologic methods | 2 | 16 | 219 | 338 |
| 974 | biological clocks | 1 | 16 | 890 | 918 |
| 974 | sustainability | 1 | 16 | 1433 | 1723 |
| 974 | global environmental change | 1 | 16 | 1225 | 1585 |
| 974 | circadian rhythm | 1 | 16 | 890 | 918 |
| 974 | biological rhythms | 1 | 16 | 854 | 898 |
| 974 | psychiatric disorders | 3 | 16 | 33 | 115 |
| 986 | Game Theory | 1 | 15 | 901 | 882 |
| 986 | Green Chemistry | 1 | 15 | 2169 | 2658 |
| 986 | Pediatric Ophthalmology | 3 | 15 | 34 | 81 |
| 986 | Social History | 1 | 15 | 873 | 623 |
| 986 | Environmental Management | 1 | 15 | 3663 | 4326 |
| 986 | Biodegradation | 1 | 15 | 1292 | 1632 |
| 986 | Simulation Methods | 1 | 15 | 1742 | 1826 |
| 986 | Quality Assurance | 2 | 15 | 446 | 785 |
| 986 | Strabismus | 3 | 15 | 34 | 81 |
| 986 | optical devices | 1 | 15 | 822 | 907 |
| 996 | Phonetics | 1 | 14 | 546 | 627 |
| 996 | Crystal growth | 1 | 14 | 1480 | 1669 |
| 996 | Foodborne diseases | 1 | 14 | 427 | 588 |
| 996 | Social problems | 1 | 14 | 983 | 1151 |
| 996 | Cell surface receptors | 1 | 14 | 264 | 348 |