| 1 | Medicine | 636 | 25.7K | 59 | 102 |
| 2 | Science | 370 | 19.7K | 58 | 103 |
| 3 | Biology | 301 | 16.3K | 51 | 105 |
| 4 | Molecular Biology | 323 | 14.6K | 61 | 73 |
| 5 | Research | 382 | 11.8K | 64 | 78 |
| 6 | Physics | 115 | 11.7K | 68 | 116 |
| 7 | Chemistry | 136 | 11.2K | 71 | 46 |
| 8 | Cancer | 284 | 10.1K | 30 | 57 |
| 9 | Cytology | 176 | 9.9K | 46 | 65 |
| 10 | Biochemistry | 310 | 9.7K | 76 | 99 |
| 11 | Neurology | 216 | 9.5K | 115 | 144 |
| 12 | Biocompatible Materials | 119 | 6.7K | 27 | 22 |
| 13 | Cell Biology | 155 | 5.9K | 44 | 101 |
| 14 | Hypertension | 171 | 5.6K | 17 | 57 |
| 15 | Pharmacology | 222 | 5.1K | 49 | 90 |
| 16 | Public Health | 102 | 4.6K | 76 | 71 |
| 17 | Cell death | 115 | 4.6K | 8 | 20 |
| 18 | Signal Transduction | 37 | 4.5K | 28 | 9 |
| 19 | Biophysics | 169 | 4.3K | 63 | 84 |
| 20 | Human genetics | 19 | 3.9K | 274 | 268 |
| 21 | Microbiology | 110 | 3.9K | 110 | 158 |
| 22 | Nanotechnology | 124 | 3.9K | 21 | 38 |
| 23 | Oncology | 87 | 3.8K | 52 | 87 |
| 24 | Materials | 76 | 3.7K | 17 | 17 |
| 25 | Immunology | 103 | 3.7K | 74 | 126 |
| 26 | Neurobiology | 45 | 3.6K | 40 | 32 |
| 27 | Medical Oncology | 70 | 3.1K | 60 | 72 |
| 28 | Immunity | 49 | 3.0K | 57 | 90 |
| 29 | Metabolism | 71 | 3.0K | 138 | 201 |
| 30 | Endocrinology | 71 | 3.0K | 128 | 188 |
| 31 | Metabolic diseases | 62 | 2.9K | 118 | 167 |
| 32 | Biomedical Engineering | 109 | 2.9K | 24 | 34 |
| 33 | Diabetes | 92 | 2.7K | 59 | 111 |
| 34 | Liver diseases | 50 | 2.6K | 70 | 127 |
| 35 | Diabetes mellitus | 85 | 2.5K | 52 | 109 |
| 36 | nucleic acids | 20 | 2.4K | 49 | 37 |
| 37 | Critical Care | 37 | 2.3K | 138 | 164 |
| 38 | Critical Care Medicine | 35 | 2.3K | 152 | 163 |
| 39 | Cell differentiation | 31 | 2.1K | 52 | 59 |
| 40 | Hematology | 112 | 2.1K | 153 | 287 |
| 41 | Hemodynamics | 41 | 2.0K | 13 | 22 |
| 42 | Biotechnology | 73 | 1.9K | 37 | 82 |
| 43 | Clinical Chemistry | 64 | 1.9K | 66 | 84 |
| 44 | Materials Science | 36 | 1.9K | 17 | 22 |
| 45 | Optical materials | 31 | 1.9K | 7 | 6 |
| 46 | Oncogenes | 39 | 1.8K | 38 | 66 |
| 47 | Medical genetics | 52 | 1.8K | 205 | 328 |
| 48 | Neurophysiology | 39 | 1.8K | 85 | 105 |
| 49 | Immunotherapy | 68 | 1.7K | 33 | 85 |
| 50 | Genetics | 38 | 1.6K | 116 | 226 |
| 51 | Physiology | 61 | 1.6K | 122 | 171 |
| 51 | Neurochemistry | 42 | 1.6K | 59 | 77 |
| 53 | Allergy | 10 | 1.6K | 229 | 94 |
| 54 | Natural history | 7 | 1.5K | 235 | 373 |
| 55 | Inflammation | 23 | 1.5K | 31 | 23 |
| 56 | Diagnostic Imaging | 83 | 1.5K | 35 | 86 |
| 57 | Genetic engineering | 27 | 1.4K | 55 | 42 |
| 58 | free radicals | 29 | 1.4K | 26 | 47 |
| 59 | Alzheimer's disease | 33 | 1.4K | 75 | 45 |
| 59 | Aging | 41 | 1.4K | 102 | 104 |
| 61 | Stem cells | 31 | 1.4K | 66 | 61 |
| 62 | Cardiovascular system | 29 | 1.3K | 161 | 246 |
| 63 | Virology | 39 | 1.3K | 114 | 245 |
| 64 | Digestive system diseases | 61 | 1.3K | 15 | 26 |
| 65 | Bioengineering | 42 | 1.3K | 38 | 87 |
| 66 | Proteome | 9 | 1.2K | 53 | 25 |
| 67 | Pathology | 43 | 1.2K | 147 | 212 |
| 68 | Neuroimmunology | 8 | 1.2K | 45 | 27 |
| 69 | Medical innovations | 11 | 1.2K | 61 | 76 |
| 70 | Surgery | 32 | 1.2K | 293 | 401 |
| 71 | carcinogens | 22 | 1.1K | 27 | 23 |
| 72 | Nutrition | 53 | 1.1K | 157 | 290 |
| 73 | Medical Microbiology | 21 | 1.1K | 214 | 187 |
| 74 | Biochemical Engineering | 39 | 1.1K | 17 | 64 |
| 75 | nanoscience | 27 | 1.1K | 25 | 50 |
| 76 | Pharmaceutical Chemistry | 37 | 1.1K | 77 | 117 |
| 77 | Genetic regulation | 7 | 1.1K | 83 | 46 |
| 78 | Dementia | 28 | 1.1K | 76 | 45 |
| 79 | Analytical Chemistry | 52 | 1.1K | 27 | 49 |
| 80 | cloning | 6 | 1.1K | 65 | 35 |
| 81 | China | 60 | 1.1K | 26 | 26 |
| 82 | Carcinogenesis | 17 | 1.0K | 40 | 26 |
| 83 | infection | 19 | 1.0K | 172 | 119 |
| 84 | mutagens | 15 | 1.0K | 26 | 20 |
| 85 | Radiography | 18 | 1.0K | 48 | 35 |
| 86 | Psychiatry | 45 | 1.0K | 256 | 400 |
| 87 | Immunopharmacology | 43 | 980 | 27 | 26 |
| 88 | drug development | 9 | 951 | 71 | 86 |
| 89 | Cytogenetics | 16 | 944 | 88 | 120 |
| 90 | Nervous system | 36 | 917 | 103 | 225 |
| 91 | Chemical Engineering | 35 | 898 | 12 | 15 |
| 91 | Proteomics | 12 | 898 | 39 | 28 |
| 91 | Emerging infectious diseases | 19 | 898 | 7 | 13 |
| 94 | Oxidation-reduction | 13 | 895 | 31 | 41 |
| 95 | Psychoneuroimmunology | 3 | 872 | 122 | 31 |
| 96 | cell physiology | 25 | 836 | 40 | 75 |
| 97 | Nanostructured Materials | 29 | 822 | 8 | 19 |
| 98 | Oxidative stress | 11 | 785 | 40 | 34 |
| 99 | Nanoparticles | 20 | 782 | 8 | 15 |
| 100 | Medical Physics | 36 | 779 | 93 | 114 |
| 101 | Genetic therapy | 25 | 760 | 44 | 75 |
| 102 | Antibacterial agents | 19 | 752 | 36 | 36 |
| 103 | Genomics | 26 | 724 | 135 | 167 |
| 104 | cytokines | 39 | 720 | 33 | 54 |
| 105 | Histology | 15 | 704 | 86 | 67 |
| 106 | gene therapy | 21 | 695 | 49 | 91 |
| 107 | Sleep | 31 | 691 | 83 | 135 |
| 108 | proteins | 18 | 689 | 40 | 46 |
| 109 | Sleep Disorders | 30 | 672 | 91 | 139 |
| 110 | Infections | 9 | 671 | 201 | 132 |
| 111 | Engineering | 34 | 667 | 13 | 36 |
| 112 | Brain | 39 | 658 | 99 | 213 |
| 113 | Health | 31 | 631 | 107 | 184 |
| 114 | Bioinformatics | 18 | 628 | 33 | 46 |
| 115 | Metastasis | 1 | 623 | 88 | 17 |
| 116 | Clinical Pharmacology | 31 | 613 | 79 | 105 |
| 117 | Host-parasite interactions | 9 | 605 | 62 | 102 |
| 118 | arthritis | 13 | 579 | 233 | 264 |
| 119 | Thrombosis | 33 | 574 | 53 | 129 |
| 120 | Nanobiotechnology | 26 | 572 | 18 | 38 |
| 121 | Virulence | 10 | 571 | 59 | 75 |
| 122 | Immune system | 24 | 570 | 37 | 149 |
| 123 | Nanostructures | 21 | 563 | 21 | 42 |
| 124 | Mental Disorders | 26 | 557 | 235 | 357 |
| 124 | Lipids | 20 | 557 | 48 | 81 |
| 126 | Geriatrics | 25 | 551 | 236 | 293 |
| 127 | Image Processing | 23 | 546 | 12 | 33 |
| 128 | Toxicology | 35 | 544 | 130 | 233 |
| 129 | Pediatric Neurology | 7 | 521 | 262 | 280 |
| 130 | drug therapy | 22 | 516 | 247 | 310 |
| 131 | Parasitic Diseases | 8 | 510 | 186 | 149 |
| 132 | Surface Chemistry | 17 | 507 | 27 | 31 |
| 133 | Colloids | 16 | 503 | 28 | 30 |
| 134 | Diagnosis | 12 | 492 | 23 | 11 |
| 135 | Computer Vision | 16 | 484 | 10 | 33 |
| 135 | Immunopathology | 23 | 484 | 100 | 161 |
| 135 | Memory | 5 | 484 | 262 | 128 |
| 138 | Developmental Biology | 18 | 482 | 67 | 163 |
| 139 | Statistics | 3 | 481 | 105 | 33 |
| 139 | Cardiovascular diseases | 32 | 481 | 101 | 220 |
| 139 | Biometrics | 3 | 481 | 98 | 35 |
| 142 | Urology | 27 | 480 | 242 | 363 |
| 143 | Biosensors | 14 | 471 | 20 | 34 |
| 144 | Nuclear Medicine | 32 | 439 | 67 | 151 |
| 145 | Epidemiology | 16 | 438 | 294 | 374 |
| 146 | Ophthalmology | 23 | 434 | 152 | 255 |
| 147 | genome | 7 | 422 | 81 | 89 |
| 147 | Cell metabolism | 8 | 422 | 43 | 139 |
| 149 | Homeostasis | 7 | 420 | 40 | 138 |
| 149 | Visual Perception | 3 | 420 | 357 | 132 |
| 149 | Attention | 3 | 420 | 385 | 144 |
| 149 | Perception | 3 | 420 | 364 | 135 |
| 153 | Europe | 28 | 400 | 104 | 203 |
| 154 | Polymers | 17 | 390 | 33 | 45 |
| 155 | Mental illness | 13 | 386 | 224 | 311 |
| 155 | brain mapping | 9 | 386 | 65 | 86 |
| 157 | miniaturization | 8 | 379 | 33 | 46 |
| 158 | Surface-Active Agents | 13 | 375 | 9 | 12 |
| 158 | Surface properties | 13 | 375 | 9 | 12 |
| 160 | Molecular Imaging | 26 | 369 | 55 | 148 |
| 160 | Hormones | 17 | 369 | 77 | 139 |
| 162 | Parkinson's disease | 16 | 367 | 4 | 11 |
| 163 | Leukemia | 23 | 361 | 115 | 316 |
| 164 | Neuropharmacology | 6 | 358 | 58 | 33 |
| 165 | gastrointestinal tract | 8 | 351 | 17 | 33 |
| 166 | Recombinant DNA | 17 | 350 | 61 | 77 |
| 167 | Systems Biology | 17 | 347 | 40 | 57 |
| 168 | Spectrum analysis | 20 | 342 | 18 | 48 |
| 169 | Neurosurgery | 16 | 338 | 111 | 209 |
| 170 | Kidney diseases | 15 | 335 | 122 | 191 |
| 171 | vascular diseases | 11 | 334 | 69 | 128 |
| 171 | Muscles | 5 | 334 | 209 | 144 |
| 173 | Respiration | 18 | 333 | 127 | 235 |
| 174 | Sarcopenia | 3 | 325 | 96 | 52 |
| 174 | Gastrointestinal diseases | 27 | 325 | 13 | 63 |
| 176 | Medical Technology | 11 | 324 | 146 | 118 |
| 176 | actuators | 9 | 324 | 21 | 21 |
| 176 | transducers | 9 | 324 | 21 | 21 |
| 179 | Bioelectronics | 8 | 319 | 37 | 53 |
| 180 | biochemical markers | 17 | 312 | 14 | 26 |
| 181 | drug evaluation | 16 | 310 | 38 | 58 |
| 182 | mycoses | 4 | 304 | 104 | 100 |
| 183 | Embryology | 13 | 302 | 81 | 197 |
| 184 | Bacterial infections | 3 | 299 | 173 | 121 |
| 185 | Hemophilia | 30 | 297 | 35 | 91 |
| 186 | Biomarkers | 16 | 295 | 8 | 17 |
| 187 | Diagnostic microbiology | 9 | 294 | 224 | 376 |
| 187 | drugs | 14 | 294 | 162 | 215 |
| 189 | Hemostasis | 19 | 292 | 60 | 102 |
| 190 | Autoantibodies | 8 | 284 | 65 | 87 |
| 190 | Autoimmunity | 8 | 284 | 107 | 157 |
| 190 | Autoimmune diseases | 8 | 284 | 74 | 92 |
| 193 | Pharmacognosy | 19 | 279 | 27 | 77 |
| 193 | Drug delivery systems | 9 | 279 | 63 | 102 |
| 195 | cell interaction | 13 | 273 | 68 | 115 |
| 195 | Pancreatic diseases | 14 | 273 | 32 | 53 |
| 197 | Electronics | 14 | 271 | 22 | 77 |
| 198 | rehabilitation | 13 | 268 | 240 | 323 |
| 199 | histological techniques | 8 | 267 | 74 | 109 |
| 200 | Medicinal plants | 17 | 265 | 29 | 72 |
| 201 | Signal Processing | 15 | 264 | 10 | 24 |
| 202 | viruses | 8 | 261 | 123 | 198 |
| 203 | Chromatographic analysis | 15 | 260 | 37 | 53 |
| 204 | Pharmacogenetics | 10 | 258 | 85 | 134 |
| 205 | Environmental Microbiology | 3 | 256 | 73 | 77 |
| 205 | soil microbiology | 3 | 256 | 41 | 63 |
| 207 | Pollution | 9 | 254 | 104 | 115 |
| 208 | Egypt | 8 | 253 | 18 | 21 |
| 209 | Molecular Pharmacology | 6 | 251 | 46 | 44 |
| 210 | drug resistance | 13 | 247 | 25 | 86 |
| 211 | Antioxidants | 5 | 246 | 67 | 95 |
| 212 | Molecular cloning | 11 | 241 | 79 | 100 |
| 212 | Genetic recombination | 11 | 241 | 77 | 97 |
| 214 | Nephrology | 5 | 233 | 161 | 192 |
| 215 | Electrophoresis | 12 | 232 | 38 | 76 |
| 216 | environmental pollution | 8 | 231 | 89 | 104 |
| 216 | Reproduction | 16 | 231 | 229 | 402 |
| 218 | Yeast | 3 | 222 | 5 | 5 |
| 219 | Chromatography | 13 | 215 | 26 | 58 |
| 219 | Obesity | 10 | 215 | 264 | 435 |
| 221 | Bioorganic chemistry | 13 | 209 | 47 | 76 |
| 222 | Clinical Immunology | 13 | 206 | 156 | 316 |
| 223 | Microorganisms | 1 | 203 | 173 | 88 |
| 224 | Pediatrics | 5 | 199 | 871 | 854 |
| 225 | gene transfer | 5 | 191 | 26 | 23 |
| 225 | genetic transformation | 5 | 191 | 26 | 23 |
| 227 | Neuropsychology | 7 | 190 | 287 | 323 |
| 228 | Chemotherapy | 6 | 187 | 455 | 396 |
| 228 | Respiratory system | 10 | 187 | 70 | 146 |
| 230 | Orthopedics | 10 | 183 | 448 | 603 |
| 230 | Bones | 5 | 183 | 172 | 204 |
| 232 | gene mapping | 11 | 182 | 95 | 212 |
| 233 | Microelectronics | 6 | 179 | 19 | 57 |
| 234 | tomography | 6 | 178 | 69 | 50 |
| 235 | Environmental Health | 14 | 177 | 188 | 414 |
| 235 | Disease | 2 | 177 | 93 | 255 |
| 237 | Health Policy | 4 | 171 | 351 | 291 |
| 238 | Cell cycle | 5 | 168 | 46 | 58 |
| 238 | cell proliferation | 5 | 168 | 54 | 60 |
| 240 | Clinical Biochemistry | 9 | 167 | 188 | 296 |
| 240 | Infection control | 7 | 167 | 21 | 43 |
| 240 | Neurotransmitters | 17 | 167 | 24 | 59 |
| 243 | Anatomy | 5 | 166 | 152 | 207 |
| 244 | Cell communication | 6 | 160 | 60 | 106 |
| 245 | Ecology | 6 | 157 | 159 | 270 |
| 245 | Computational Biology | 15 | 157 | 49 | 152 |
| 247 | Regeneration | 4 | 156 | 6 | 2 |
| 247 | polymerization | 12 | 156 | 16 | 60 |
| 249 | Information Systems | 6 | 155 | 50 | 33 |
| 250 | System analysis | 4 | 154 | 50 | 31 |
| 251 | Microbial Ecology | 7 | 152 | 55 | 163 |
| 252 | Chromosome mapping | 8 | 150 | 107 | 184 |
| 253 | Obstetrics | 10 | 148 | 659 | 878 |
| 253 | Drug targeting | 3 | 148 | 39 | 34 |
| 255 | Pharmacy | 7 | 147 | 123 | 164 |
| 256 | Orthopedic Surgery | 7 | 144 | 239 | 304 |
| 257 | Alternative Medicine | 8 | 143 | 100 | 172 |
| 257 | Growth | 4 | 143 | 84 | 143 |
| 259 | Metabolic syndrome | 6 | 141 | 27 | 20 |
| 260 | Combinatorial chemistry | 1 | 140 | 98 | 55 |
| 260 | diseases | 1 | 140 | 161 | 262 |
| 262 | Meteorology | 1 | 137 | 69 | 54 |
| 263 | Artificial Intelligence | 10 | 136 | 15 | 80 |
| 264 | Infertility | 6 | 134 | 247 | 387 |
| 264 | fertility | 6 | 134 | 248 | 387 |
| 266 | Animal welfare | 1 | 133 | 32 | 7 |
| 267 | Dermatology | 13 | 132 | 348 | 632 |
| 268 | Molecular evolution | 2 | 131 | 62 | 49 |
| 269 | complementary therapies | 7 | 130 | 130 | 195 |
| 270 | biological evolution | 1 | 127 | 114 | 63 |
| 271 | Asia | 7 | 126 | 170 | 142 |
| 272 | Diet | 10 | 125 | 246 | 534 |
| 272 | anesthesia | 8 | 125 | 104 | 91 |
| 274 | Sports | 3 | 121 | 173 | 157 |
| 275 | Biomolecules | 4 | 119 | 14 | 21 |
| 275 | biopolymers | 4 | 119 | 18 | 28 |
| 277 | Environmental monitoring | 7 | 118 | 136 | 266 |
| 277 | United Kingdom | 2 | 118 | 208 | 185 |
| 279 | Steroids | 4 | 117 | 183 | 193 |
| 279 | Thorax | 4 | 117 | 144 | 214 |
| 281 | Information Technology | 7 | 116 | 25 | 42 |
| 281 | Educational Technology | 6 | 116 | 34 | 45 |
| 283 | Rheumatology | 9 | 114 | 263 | 566 |
| 283 | Physical fitness | 1 | 114 | 126 | 79 |
| 283 | Therapeutics | 8 | 114 | 291 | 559 |
| 283 | Exercise | 1 | 114 | 225 | 60 |
| 287 | Organic Chemistry | 9 | 113 | 60 | 103 |
| 288 | Environment | 4 | 112 | 311 | 475 |
| 289 | Biological Systems | 3 | 111 | 9 | 21 |
| 290 | DNS | 7 | 110 | 20 | 42 |
| 290 | DNA | 7 | 110 | 21 | 44 |
| 292 | Genes | 6 | 109 | 60 | 77 |
| 293 | Molecular Microbiology | 3 | 108 | 78 | 121 |
| 293 | Randomized Controlled Trials | 12 | 108 | 150 | 302 |
| 293 | Bacterial diseases | 3 | 108 | 30 | 42 |
| 296 | environmental protection | 7 | 104 | 111 | 224 |
| 296 | Psychophysiology | 5 | 104 | 346 | 576 |
| 298 | Research Design | 3 | 103 | 196 | 194 |
| 299 | Radiobiology | 12 | 102 | 218 | 601 |
| 300 | cardiac catheterization | 8 | 101 | 296 | 405 |
| 301 | Radiation Oncology | 7 | 100 | 73 | 136 |
| 301 | Integrative Medicine | 8 | 100 | 30 | 36 |
| 301 | transport vesicles | 3 | 100 | 42 | 97 |
| 304 | Pharmacogenomics | 2 | 99 | 88 | 87 |
| 305 | Andrology | 10 | 98 | 61 | 142 |
| 305 | Composite Materials | 5 | 98 | 19 | 47 |
| 307 | Drug design | 8 | 97 | 63 | 165 |
| 307 | Quality of life | 4 | 97 | 223 | 338 |
| 309 | Psychopharmacology | 4 | 96 | 366 | 518 |
| 309 | Multimedia Systems | 3 | 96 | 10 | 4 |
| 311 | Food | 6 | 95 | 157 | 301 |
| 312 | Robotics | 7 | 92 | 8 | 25 |
| 313 | pigments | 2 | 87 | 16 | 7 |
| 314 | nuclear magnetic resonance | 4 | 86 | 79 | 109 |
| 315 | Antiviral agents | 3 | 85 | 139 | 141 |
| 315 | Immunogenetics | 6 | 85 | 112 | 216 |
| 315 | ovary | 5 | 85 | 40 | 63 |
| 318 | Magnetic Resonance Spectroscopy | 3 | 84 | 95 | 109 |
| 319 | mutation | 2 | 83 | 65 | 78 |
| 319 | Chromosomes | 2 | 83 | 122 | 120 |
| 321 | Microbial Biotechnology | 1 | 79 | 30 | 20 |
| 321 | Radioisotopes | 6 | 79 | 83 | 115 |
| 321 | vitamin C | 2 | 79 | 55 | 78 |
| 321 | vitamin E | 2 | 79 | 55 | 78 |
| 325 | Herbal medicine | 5 | 78 | 84 | 190 |
| 326 | Information Science | 3 | 76 | 87 | 137 |
| 327 | Medical Laboratory Science | 8 | 74 | 132 | 294 |
| 327 | Optics | 4 | 74 | 140 | 94 |
| 329 | Physical Chemistry | 2 | 73 | 27 | 43 |
| 329 | Food additives | 2 | 73 | 59 | 60 |
| 329 | Molecular Spectroscopy | 6 | 73 | 46 | 94 |
| 329 | lasers | 2 | 73 | 24 | 18 |
| 333 | Radiologic Technology | 2 | 72 | 58 | 24 |
| 333 | Interventional Radiology | 2 | 72 | 58 | 24 |
| 333 | Emergency Medicine | 4 | 72 | 765 | 804 |
| 333 | preimplantation genetic diagnosis | 4 | 72 | 127 | 179 |
| 333 | embryo transfer | 4 | 72 | 141 | 186 |
| 333 | Interventional Radiography | 2 | 72 | 58 | 24 |
| 333 | Endoscopic Surgery | 2 | 72 | 58 | 24 |
| 333 | Coronary heart disease | 4 | 72 | 56 | 51 |
| 341 | multimedia | 1 | 71 | 4 | 2 |
| 341 | Interactive multimedia | 1 | 71 | 5 | 2 |
| 341 | Insects | 1 | 71 | 19 | 11 |
| 341 | Insect biochemistry | 1 | 71 | 8 | 6 |
| 345 | Environmental Engineering | 3 | 69 | 145 | 241 |
| 345 | Environmental Policy | 3 | 69 | 126 | 229 |
| 345 | Environmental Law | 3 | 69 | 106 | 216 |
| 345 | locomotion | 1 | 69 | 263 | 191 |
| 345 | posture | 1 | 69 | 263 | 191 |
| 345 | Chemical analysis | 3 | 69 | 47 | 94 |
| 345 | gait | 1 | 69 | 263 | 191 |
| 345 | walking | 1 | 69 | 263 | 191 |
| 353 | Neuroanatomy | 1 | 68 | 33 | 27 |
| 353 | software | 6 | 68 | 61 | 167 |
| 353 | Cytokine | 2 | 68 | 81 | 121 |
| 356 | Radiology | 7 | 67 | 319 | 480 |
| 356 | Child | 5 | 67 | 689 | 802 |
| 356 | X-rays | 9 | 67 | 99 | 250 |
| 356 | Detectors | 3 | 67 | 24 | 27 |
| 360 | Environmental Toxicology | 9 | 66 | 110 | 371 |
| 360 | Physical organic chemistry | 3 | 66 | 20 | 31 |
| 360 | Environmental pollutants | 9 | 66 | 84 | 218 |
| 360 | Vaccines | 3 | 66 | 474 | 580 |
| 364 | Psychology | 7 | 65 | 429 | 851 |
| 364 | Physical Therapy | 2 | 65 | 535 | 554 |
| 366 | Climatology | 1 | 64 | 41 | 19 |
| 366 | Cardiovascular Pharmacology | 4 | 64 | 78 | 142 |
| 366 | bioclimatology | 1 | 64 | 34 | 16 |
| 366 | Drug delivery devices | 2 | 64 | 21 | 40 |
| 366 | Mycology | 5 | 64 | 98 | 206 |
| 366 | biological factors | 2 | 64 | 249 | 254 |
| 366 | Learning | 2 | 64 | 143 | 190 |
| 366 | Climate | 1 | 64 | 33 | 17 |
| 366 | weather | 1 | 64 | 33 | 16 |
| 375 | Histocompatibility Testing | 2 | 63 | 183 | 171 |
| 376 | Extracellular matrix | 1 | 61 | 79 | 85 |
| 376 | environmental exposure | 7 | 61 | 126 | 296 |
| 376 | collagen | 1 | 61 | 82 | 86 |
| 379 | Astrocytes | 2 | 60 | 92 | 157 |
| 380 | Neural circuitry | 3 | 59 | 33 | 71 |
| 381 | Cellular senescence | 1 | 57 | 85 | 118 |
| 381 | Evidence-Based Medicine | 6 | 57 | 87 | 162 |
| 383 | Reproductive health | 3 | 56 | 192 | 264 |
| 383 | blood transfusion | 4 | 56 | 263 | 338 |
| 383 | cell adhesion molecules | 1 | 56 | 83 | 109 |
| 383 | Metals | 2 | 56 | 23 | 37 |
| 387 | Botany | 1 | 55 | 107 | 83 |
| 387 | Industrial Microbiology | 5 | 55 | 24 | 101 |
| 387 | Immunotoxicology | 2 | 55 | 48 | 42 |
| 387 | Longevity | 4 | 55 | 18 | 43 |
| 391 | Biomechanics | 2 | 54 | 240 | 281 |
| 391 | Synaptic Transmission | 3 | 54 | 110 | 188 |
| 391 | Carbon | 1 | 54 | 17 | 24 |
| 394 | air quality | 1 | 52 | 9 | 4 |
| 395 | Bacteriology | 5 | 51 | 94 | 242 |
| 396 | poverty | 4 | 50 | 8 | 42 |
| 396 | healthcare disparities | 4 | 50 | 39 | 104 |
| 396 | Socioeconomic Factors | 4 | 50 | 39 | 118 |
| 396 | Friction | 1 | 50 | 1 | 2 |
| 400 | Microcirculation | 3 | 49 | 92 | 152 |
| 400 | Genetic testing | 6 | 49 | 27 | 81 |
| 402 | Nanochemistry | 7 | 48 | 5 | 29 |
| 403 | Molecular structure | 4 | 47 | 56 | 157 |
| 403 | eugenics | 2 | 47 | 84 | 120 |
| 405 | Gerontology | 4 | 45 | 263 | 444 |
| 406 | Data Mining | 5 | 44 | 41 | 149 |
| 406 | Evolutionary Genetics | 3 | 44 | 56 | 118 |
| 406 | Photonics | 3 | 44 | 53 | 98 |
| 406 | Molecular Epidemiology | 3 | 44 | 56 | 118 |
| 406 | data collection | 5 | 44 | 36 | 130 |
| 411 | Primary health care | 1 | 43 | 929 | 663 |
| 411 | enzymes | 3 | 43 | 75 | 160 |
| 413 | Blood vessels | 2 | 42 | 107 | 144 |
| 414 | Australia | 2 | 41 | 319 | 344 |
| 415 | disease outbreaks | 2 | 40 | 143 | 248 |
| 415 | Epidemics | 2 | 40 | 132 | 243 |
| 417 | Growth factors | 1 | 39 | 107 | 139 |
| 418 | Heart Failure | 1 | 38 | 304 | 371 |
| 418 | risk factors | 2 | 38 | 316 | 418 |
| 418 | Electrophysiology | 4 | 38 | 434 | 661 |
| 418 | Decision making | 3 | 38 | 121 | 222 |
| 418 | Cognition | 2 | 38 | 212 | 270 |
| 423 | epilepsy | 3 | 37 | 366 | 575 |
| 423 | food technology | 4 | 37 | 73 | 253 |
| 423 | Neuroendocrinology | 1 | 37 | 26 | 61 |
| 426 | Analytical Biochemistry | 2 | 36 | 220 | 268 |
| 426 | Schizophrenia | 2 | 36 | 368 | 559 |
| 426 | rare diseases | 6 | 36 | 183 | 514 |
| 429 | Radiation | 7 | 35 | 81 | 278 |
| 429 | pollutants | 4 | 35 | 98 | 183 |
| 431 | Medical Imaging | 4 | 34 | 118 | 232 |
| 431 | Magnetic Resonance Imaging | 4 | 34 | 137 | 285 |
| 431 | Neurotoxicology | 2 | 34 | 109 | 202 |
| 431 | Lymphoma | 4 | 34 | 141 | 247 |
| 431 | Multiple Myeloma | 4 | 34 | 138 | 241 |
| 431 | Sexual health | 1 | 34 | 404 | 353 |
| 437 | Intelligent Transportation Systems | 1 | 33 | 4 | 6 |
| 437 | antibiotics | 1 | 33 | 16 | 19 |
| 439 | Developmental Genetics | 1 | 32 | 102 | 152 |
| 439 | Photochemistry | 1 | 32 | 142 | 150 |
| 439 | Gene expression regulation | 1 | 32 | 243 | 258 |
| 439 | Ultrasonics | 1 | 32 | 147 | 158 |
| 439 | Ferroelectricity | 1 | 32 | 54 | 63 |
| 439 | Organ transplantation | 1 | 32 | 310 | 247 |
| 439 | Photobiology | 1 | 32 | 51 | 56 |
| 439 | Sound | 1 | 32 | 108 | 96 |
| 439 | Radio | 1 | 32 | 66 | 85 |
| 439 | viral genetics | 1 | 32 | 54 | 108 |
| 439 | Ultrasound | 1 | 32 | 97 | 101 |
| 439 | Developing countries | 5 | 32 | 59 | 188 |
| 439 | Radio frequency | 1 | 32 | 52 | 62 |
| 452 | Screening | 2 | 31 | 49 | 89 |
| 453 | Sports Medicine | 4 | 30 | 447 | 818 |
| 454 | Interferons | 1 | 29 | 93 | 106 |
| 455 | Renewable Energy Sources | 1 | 28 | 7 | 13 |
| 456 | Congenital heart disease | 1 | 27 | 102 | 38 |
| 456 | Cerebellum | 1 | 27 | 140 | 145 |
| 456 | pain | 5 | 27 | 369 | 903 |
| 456 | Women's health | 3 | 27 | 304 | 592 |
| 456 | Cerebellar ataxia | 1 | 27 | 140 | 145 |
| 461 | Global Health | 1 | 26 | 438 | 310 |
| 461 | Globalization | 1 | 26 | 32 | 70 |
| 461 | Bone diseases | 3 | 26 | 152 | 404 |
| 461 | international cooperation | 1 | 26 | 35 | 72 |
| 465 | Agricultural Chemistry | 2 | 25 | 130 | 250 |
| 465 | Developmental Immunology | 1 | 25 | 118 | 192 |
| 465 | peptides | 3 | 25 | 44 | 108 |
| 465 | DNA polymerases | 2 | 25 | 58 | 186 |
| 465 | Pregnancy | 3 | 25 | 253 | 514 |
| 470 | calcification | 1 | 24 | 305 | 391 |
| 470 | United States | 1 | 24 | 1081 | 1031 |
| 472 | Contraception | 1 | 23 | 267 | 323 |
| 472 | Textile industry | 3 | 23 | 1 | 3 |
| 472 | Birth control | 1 | 23 | 97 | 127 |
| 475 | Nursing | 5 | 22 | 283 | 757 |
| 475 | Quality Control | 1 | 22 | 61 | 81 |
| 475 | Artificial Organs | 1 | 22 | 427 | 384 |
| 475 | food handling | 1 | 22 | 15 | 37 |
| 475 | Nitric oxide | 1 | 22 | 62 | 97 |
| 480 | Audiology | 1 | 21 | 320 | 364 |
| 480 | Neuroimaging | 3 | 21 | 40 | 103 |
| 480 | Lipid metabolism | 1 | 21 | 107 | 161 |
| 480 | Antigens | 1 | 21 | 405 | 447 |
| 480 | Lipid | 1 | 21 | 107 | 161 |
| 480 | mental processes | 3 | 21 | 41 | 84 |
| 480 | energy development | 1 | 21 | 35 | 59 |
| 487 | Systems Engineering | 3 | 20 | 10 | 62 |
| 487 | Histochemistry | 2 | 20 | 257 | 451 |
| 487 | behavioral medicine | 2 | 20 | 293 | 581 |
| 487 | Electrocardiography | 1 | 20 | 311 | 236 |
| 487 | Laser therapy | 3 | 20 | 133 | 225 |
| 492 | Automation | 1 | 19 | 32 | 52 |
| 492 | Pediatric Endocrinology | 3 | 19 | 138 | 238 |
| 492 | Lung Transplantation | 1 | 19 | 346 | 414 |
| 492 | Control Theory | 1 | 19 | 17 | 20 |
| 492 | Heart transplantation | 1 | 19 | 346 | 414 |
| 492 | Adaptive control systems | 1 | 19 | 5 | 6 |
| 492 | Adolescent | 3 | 19 | 572 | 908 |
| 492 | Metabolic disorders in children | 3 | 19 | 113 | 205 |
| 492 | Transplantation | 3 | 19 | 460 | 853 |
| 492 | drug interactions | 1 | 19 | 11 | 17 |
| 492 | drug toxicity | 2 | 19 | 29 | 117 |
| 503 | Asthma | 2 | 18 | 350 | 586 |
| 503 | Cognitive neuroscience | 2 | 18 | 124 | 264 |
| 503 | psychotherapy | 3 | 18 | 302 | 578 |
| 503 | Menopause | 1 | 18 | 168 | 206 |
| 507 | Food Microbiology | 1 | 17 | 189 | 301 |
| 507 | Enteral nutrition | 2 | 17 | 468 | 875 |
| 507 | Parenteral nutrition | 2 | 17 | 597 | 1058 |
| 507 | disease susceptibility | 1 | 17 | 33 | 75 |
| 507 | plasma | 2 | 17 | 17 | 28 |
| 507 | RNA | 1 | 17 | 81 | 161 |
| 507 | symptoms | 1 | 17 | 33 | 75 |
| 514 | Child Development | 1 | 16 | 826 | 1001 |
| 514 | Cerebral cortex | 2 | 16 | 203 | 426 |
| 516 | preventive medicine | 1 | 15 | 526 | 653 |
| 516 | Health promotion | 1 | 15 | 315 | 395 |
| 518 | Radiopharmaceuticals | 1 | 14 | 83 | 73 |
| 518 | Cell division | 2 | 14 | 68 | 201 |
| 518 | Magnetic Materials | 1 | 14 | 18 | 44 |
| 518 | Neuroplasticity | 1 | 14 | 31 | 68 |
| 518 | human development | 1 | 14 | 91 | 146 |
| 518 | rejuvenation | 1 | 14 | 37 | 97 |
| 518 | food industry | 1 | 14 | 34 | 46 |
| 525 | Travel | 1 | 13 | 398 | 486 |
| 525 | protein | 1 | 13 | 116 | 149 |
| 527 | Emergency Medical Services | 1 | 12 | 622 | 710 |
| 527 | Precision medicine | 1 | 12 | 130 | 201 |
| 527 | Genetic Research | 2 | 12 | 35 | 152 |
| 527 | occupational diseases | 2 | 12 | 177 | 477 |
| 527 | Freeze-Drying | 1 | 12 | 94 | 144 |
| 527 | Reproductive toxicology | 1 | 12 | 123 | 201 |
| 527 | Hypothermia | 1 | 12 | 94 | 144 |
| 527 | Technology | 1 | 12 | 219 | 326 |
| 527 | Freeze Drying | 1 | 12 | 94 | 144 |
| 527 | toxicity testing | 3 | 12 | 79 | 244 |
| 527 | Behavior | 2 | 12 | 734 | 1381 |
| 538 | Mathematics | 2 | 11 | 142 | 286 |
| 538 | Neurogenetics | 1 | 11 | 148 | 258 |
| 538 | Neuropsychiatry | 1 | 11 | 476 | 676 |
| 538 | Nuclear Physics | 4 | 11 | 47 | 147 |
| 538 | Cognitive Therapy | 1 | 11 | 142 | 211 |
| 538 | Immunochemistry | 2 | 11 | 274 | 537 |
| 538 | Parasitology | 2 | 11 | 243 | 571 |
| 538 | amino acids | 2 | 11 | 57 | 212 |
| 546 | Dentistry | 2 | 10 | 227 | 388 |
| 546 | Biochemical Genetics | 2 | 10 | 63 | 135 |
| 546 | Preoperative Care | 1 | 10 | 86 | 125 |
| 546 | perioperative care | 1 | 10 | 85 | 123 |
| 546 | Obsessive-Compulsive Disorder | 2 | 10 | 22 | 45 |
| 546 | Synchrotron Radiation | 1 | 10 | 12 | 23 |
| 546 | Multiple sclerosis | 1 | 10 | 418 | 546 |
| 553 | Geographic information systems | 1 | 9 | 13 | 24 |
| 553 | Mass Spectrometry | 1 | 9 | 130 | 214 |
| 553 | Neuromuscular diseases | 2 | 9 | 296 | 651 |
| 556 | Mechanical Engineering | 3 | 8 | 15 | 81 |
| 556 | Pharmaceutical Technology | 2 | 8 | 146 | 447 |
| 556 | Pharmacokinetics | 1 | 8 | 176 | 317 |
| 556 | Cardiopulmonary Resuscitation | 2 | 8 | 94 | 154 |
| 556 | Molecular ecology | 1 | 8 | 23 | 47 |
| 556 | cardiac arrest | 2 | 8 | 94 | 154 |
| 556 | Tropical Medicine | 2 | 8 | 618 | 1202 |
| 556 | biomedicine | 1 | 8 | 164 | 310 |
| 556 | Fluorescence | 1 | 8 | 19 | 26 |
| 565 | Industrial Engineering | 1 | 7 | 30 | 63 |
| 565 | Embedded Systems | 1 | 7 | 1 | 1 |
| 565 | Cybernetics | 1 | 7 | 84 | 186 |
| 565 | Molecular Genetics | 1 | 7 | 240 | 410 |
| 565 | Human-Computer Interaction | 2 | 7 | 53 | 195 |
| 565 | Behavioral research | 3 | 7 | 38 | 233 |
| 565 | visualization | 7 | 7 | 114 | 344 |
| 565 | psychiatric disorders | 2 | 7 | 8 | 28 |
| 565 | Membranes | 1 | 7 | 223 | 387 |
| 565 | Biodiversity | 2 | 7 | 29 | 135 |
| 575 | Clinical Trials | 2 | 6 | 205 | 570 |
| 575 | Oral Medicine | 1 | 6 | 264 | 410 |
| 575 | Microfabrication | 1 | 6 | 33 | 88 |
| 575 | Geriatric Oncology | 2 | 6 | 291 | 753 |
| 575 | Monomers | 1 | 6 | 2 | 5 |
| 575 | disease vectors | 2 | 6 | 68 | 277 |
| 575 | body temperature | 1 | 6 | 29 | 72 |
| 582 | Music | 1 | 5 | 236 | 344 |
| 582 | voice | 1 | 5 | 237 | 354 |
| 582 | Drug discovery | 1 | 5 | 52 | 131 |
| 585 | Zoology | 1 | 4 | 64 | 160 |
| 585 | Nuclear Chemistry | 2 | 4 | 30 | 78 |
| 585 | Radiochemistry | 2 | 4 | 38 | 79 |
| 585 | Cognitive Science | 1 | 4 | 153 | 309 |
| 585 | Thin Films | 1 | 4 | 5 | 16 |
| 585 | medical education | 1 | 4 | 994 | 1340 |
| 585 | Japan | 1 | 4 | 183 | 324 |
| 585 | Endocrine system | 3 | 4 | 358 | 462 |
| 585 | Zoonoses | 1 | 4 | 38 | 126 |
| 594 | Computer Science | 1 | 3 | 299 | 559 |
| 594 | Clinical Laboratory Science | 1 | 3 | 218 | 412 |
| 594 | Occupational Health | 1 | 3 | 261 | 493 |
| 594 | Health Services Research | 1 | 3 | 780 | 1343 |
| 594 | Optical Communications | 1 | 3 | 12 | 23 |
| 594 | Community Psychiatry | 1 | 3 | 494 | 769 |
| 594 | industrial hygiene | 1 | 3 | 184 | 336 |
| 594 | Technological Innovations | 1 | 3 | 17 | 75 |
| 594 | acupuncture | 7 | 3 | 31 | 244 |
| 594 | Protein folding | 1 | 3 | 7 | 44 |
| 594 | Health insurance | 1 | 3 | 147 | 306 |
| 594 | Massage therapy | 7 | 3 | 11 | 43 |
| 594 | Minority Health | 2 | 3 | 16 | 63 |
| 594 | prions | 1 | 3 | 7 | 41 |
| 608 | Occupational Therapy | 1 | 2 | 384 | 659 |
| 608 | Microfluidics | 1 | 2 | 18 | 65 |
| 608 | Plastics | 1 | 2 | 33 | 111 |
| 608 | nuclear magnetic resonance spectroscopy | 1 | 2 | 32 | 60 |
| 608 | Parasites | 1 | 2 | 200 | 436 |
| 608 | textile fibers | 1 | 2 | 6 | 26 |
| 608 | liver | 1 | 2 | 225 | 470 |
| 615 | Photography | 2 | 1 | 171 | 304 |
| 615 | General Surgery | 1 | 1 | 823 | 1250 |
| 615 | Erectile dysfunction | 1 | 1 | 174 | 354 |
| 615 | patient satisfaction | 1 | 1 | 63 | 184 |
| 615 | Nonlinear Dynamics | 1 | 1 | 31 | 76 |
| 615 | pain management | 1 | 1 | 406 | 721 |
| 615 | Elderly | 1 | 1 | 395 | 643 |
| 615 | older people | 1 | 1 | 491 | 803 |
| 615 | natural products | 1 | 1 | 180 | 341 |
| 615 | Statistical physics | 1 | 1 | 53 | 131 |
| 615 | Muscle contraction | 1 | 1 | 16 | 46 |
| 626 | Economics | 1 | 0 | 27 | 90 |
| 626 | Thermodynamics | 1 | 0 | 6 | 19 |
| 626 | Tissue Engineering | 1 | 0 | 174 | 310 |
| 626 | Computational Intelligence | 1 | 0 | 13 | 52 |
| 626 | Immunohistochemistry | 1 | 0 | 122 | 317 |
| 626 | Substance Abuse | 1 | 0 | 456 | 870 |
| 626 | Business | 1 | 0 | 5 | 23 |
| 626 | Entropy | 1 | 0 | 45 | 108 |
| 626 | Computational Complexity | 1 | 0 | 5 | 30 |
| 626 | heredity | 2 | 0 | 71 | 265 |
| 626 | Microwaves | 1 | 0 | 16 | 54 |
| 626 | pharmaceutical industry | 1 | 0 | 90 | 278 |
| 626 | Nonlinear mechanics | 1 | 0 | 2 | 7 |