| 1 | Physics | 3,068 | 318.3K | 106 | 74 |
| 2 | Astrophysics | 3,167 | 250.4K | 26 | 30 |
| 3 | Astronomy | 3,491 | 241.4K | 14 | 17 |
| 4 | Biology | 1,864 | 226.7K | 137 | 106 |
| 5 | Science | 2,027 | 196.1K | 135 | 130 |
| 6 | Chemistry | 2,935 | 150.3K | 88 | 140 |
| 7 | Cytology | 1,013 | 133.1K | 61 | 50 |
| 8 | Molecular Biology | 1,463 | 128.9K | 135 | 90 |
| 9 | Cell Biology | 761 | 116.5K | 79 | 54 |
| 10 | Natural history | 388 | 111.4K | 129 | 105 |
| 11 | Nuclear Physics | 1,895 | 101.0K | 86 | 46 |
| 12 | Medicine | 1,668 | 92.8K | 161 | 162 |
| 13 | Biochemistry | 1,498 | 87.4K | 246 | 159 |
| 14 | Virology | 408 | 75.6K | 102 | 58 |
| 15 | Neurology | 894 | 71.8K | 171 | 132 |
| 16 | Microbiology | 850 | 67.1K | 155 | 121 |
| 17 | Human genetics | 219 | 61.3K | 111 | 86 |
| 18 | Spectrum analysis | 741 | 55.5K | 112 | 103 |
| 19 | Genetics | 530 | 54.2K | 98 | 75 |
| 20 | Research | 1,168 | 50.0K | 172 | 149 |
| 21 | Condensed Matter | 948 | 41.2K | 91 | 86 |
| 22 | Solid State Physics | 976 | 39.7K | 99 | 85 |
| 23 | Metabolism | 316 | 33.5K | 116 | 72 |
| 24 | Immunology | 396 | 28.5K | 143 | 119 |
| 25 | Nutrition | 236 | 27.9K | 230 | 49 |
| 26 | Quantum Gravity | 604 | 27.4K | 75 | 100 |
| 27 | Medical Microbiology | 268 | 26.6K | 52 | 17 |
| 28 | Medical genetics | 280 | 26.5K | 132 | 96 |
| 29 | Aging | 345 | 26.5K | 74 | 31 |
| 30 | Psychophysiology | 445 | 26.4K | 96 | 89 |
| 31 | Statistical physics | 501 | 25.6K | 126 | 61 |
| 32 | infection | 228 | 24.7K | 16 | 2 |
| 33 | Developmental Biology | 287 | 24.4K | 80 | 67 |
| 34 | Biophysics | 488 | 24.2K | 271 | 175 |
| 35 | Diabetes | 352 | 24.1K | 36 | 41 |
| 36 | Endocrinology | 349 | 24.0K | 146 | 135 |
| 37 | Infections | 209 | 23.9K | 5 | 1 |
| 38 | Geriatrics | 297 | 23.7K | 112 | 46 |
| 39 | Psychology | 557 | 23.5K | 168 | 156 |
| 40 | Diabetes mellitus | 335 | 23.4K | 32 | 37 |
| 41 | Biotechnology | 214 | 23.3K | 471 | 225 |
| 42 | Parasitic Diseases | 200 | 22.7K | 29 | 4 |
| 43 | Cell differentiation | 187 | 22.3K | 70 | 59 |
| 44 | Psychiatry | 440 | 21.6K | 152 | 169 |
| 45 | Botany | 352 | 21.5K | 206 | 166 |
| 46 | Physiology | 262 | 21.4K | 289 | 140 |
| 47 | Ecology | 287 | 20.2K | 472 | 394 |
| 48 | Nanotechnology | 270 | 20.2K | 401 | 273 |
| 49 | nucleic acids | 143 | 19.8K | 102 | 65 |
| 50 | Parenteral nutrition | 107 | 19.7K | 22 | 5 |
| 51 | Computational Biology | 98 | 19.6K | 224 | 51 |
| 52 | Enteral nutrition | 94 | 19.3K | 15 | 4 |
| 53 | Public Health | 475 | 18.8K | 191 | 198 |
| 54 | Pharmacology | 359 | 18.6K | 353 | 214 |
| 55 | Bioinformatics | 59 | 17.9K | 285 | 38 |
| 56 | Analytical Chemistry | 438 | 17.9K | 124 | 112 |
| 57 | genome | 45 | 17.4K | 221 | 47 |
| 58 | Bioengineering | 135 | 17.0K | 412 | 197 |
| 59 | Bacteriology | 163 | 16.8K | 105 | 69 |
| 60 | Immunity | 139 | 16.7K | 143 | 130 |
| 61 | biological evolution | 114 | 16.6K | 196 | 101 |
| 62 | Geology | 391 | 16.3K | 123 | 126 |
| 63 | Cognition | 296 | 16.0K | 44 | 47 |
| 64 | Pharmaceutical Chemistry | 315 | 15.5K | 138 | 107 |
| 65 | Neurophysiology | 238 | 15.2K | 197 | 182 |
| 66 | Cytogenetics | 120 | 15.2K | 82 | 57 |
| 67 | Electrophoresis | 218 | 15.1K | 8 | 1 |
| 68 | drugs | 205 | 15.0K | 47 | 6 |
| 69 | viruses | 131 | 14.9K | 104 | 56 |
| 70 | Behavior | 239 | 14.8K | 171 | 145 |
| 71 | Molecular evolution | 74 | 14.5K | 111 | 36 |
| 72 | cell physiology | 134 | 14.4K | 71 | 40 |
| 73 | Pathology | 129 | 13.2K | 202 | 83 |
| 74 | Pollution | 250 | 13.1K | 358 | 381 |
| 75 | Mathematical Physics | 433 | 13.0K | 54 | 86 |
| 76 | Developmental Genetics | 89 | 12.9K | 36 | 38 |
| 77 | Critical Care | 181 | 12.7K | 68 | 82 |
| 78 | Critical Care Medicine | 179 | 12.7K | 68 | 82 |
| 79 | human behavior | 117 | 12.2K | 210 | 119 |
| 80 | Genetic regulation | 81 | 12.0K | 60 | 41 |
| 81 | Biochemical Engineering | 32 | 11.8K | 991 | 227 |
| 82 | Metabolic diseases | 150 | 11.7K | 175 | 167 |
| 83 | United States | 170 | 11.7K | 454 | 230 |
| 84 | Geochemistry | 263 | 11.7K | 91 | 117 |
| 85 | Gene expression regulation | 68 | 11.2K | 54 | 41 |
| 86 | Cell death | 41 | 11.1K | 194 | 67 |
| 87 | Biopharmaceutics | 115 | 11.1K | 15 | 3 |
| 88 | Neurons | 50 | 11.0K | 83 | 85 |
| 89 | Embryology | 149 | 10.7K | 97 | 91 |
| 90 | Emotions | 111 | 10.7K | 6 | 6 |
| 91 | Epidemiology | 246 | 10.5K | 184 | 171 |
| 92 | Human-Computer Interaction | 43 | 10.5K | 162 | 6 |
| 93 | viral genetics | 57 | 10.4K | 36 | 40 |
| 94 | Mental Disorders | 198 | 10.1K | 160 | 175 |
| 95 | Environment | 165 | 10.0K | 480 | 528 |
| 96 | Europe | 402 | 10.0K | 56 | 60 |
| 97 | Nervous system | 189 | 10.0K | 130 | 148 |
| 98 | Molecular Genetics | 144 | 9.6K | 87 | 82 |
| 99 | Plants | 102 | 9.4K | 169 | 122 |
| 100 | Environmental Health | 172 | 9.2K | 453 | 392 |
| 101 | Growth | 114 | 9.1K | 90 | 104 |
| 102 | Materials | 140 | 9.0K | 973 | 648 |
| 103 | Social Psychology | 215 | 9.0K | 111 | 160 |
| 104 | Neuropsychology | 269 | 8.9K | 62 | 94 |
| 105 | Mathematics | 425 | 8.8K | 404 | 247 |
| 106 | Diagnostic Imaging | 189 | 8.8K | 59 | 46 |
| 107 | gene mapping | 110 | 8.7K | 96 | 76 |
| 108 | Brain | 196 | 8.7K | 206 | 209 |
| 109 | Pharmacy | 144 | 8.5K | 124 | 54 |
| 110 | Anatomy | 131 | 8.4K | 145 | 105 |
| 111 | Genetic engineering | 62 | 8.4K | 236 | 51 |
| 112 | Geophysics | 241 | 8.3K | 317 | 338 |
| 113 | Cognitive Science | 134 | 8.2K | 37 | 60 |
| 114 | Neurobiology | 156 | 8.2K | 106 | 142 |
| 115 | Toxicology | 131 | 8.1K | 508 | 311 |
| 116 | management | 73 | 8.1K | 558 | 296 |
| 117 | Cerebral cortex | 150 | 8.0K | 25 | 34 |
| 118 | Mineralogy | 154 | 7.9K | 72 | 59 |
| 119 | Biocompatible Materials | 103 | 7.8K | 573 | 424 |
| 120 | Cognitive neuroscience | 133 | 7.8K | 47 | 73 |
| 121 | Histology | 152 | 7.8K | 70 | 62 |
| 122 | Surface Chemistry | 170 | 7.8K | 370 | 277 |
| 123 | Hematology | 158 | 7.8K | 290 | 249 |
| 124 | Earth Sciences | 199 | 7.8K | 162 | 192 |
| 125 | Colloids | 167 | 7.7K | 385 | 314 |
| 126 | Plant cells | 78 | 7.7K | 136 | 163 |
| 127 | environmental pollution | 131 | 7.7K | 443 | 326 |
| 128 | Animal Behavior | 66 | 7.7K | 329 | 165 |
| 129 | Cancer | 154 | 7.6K | 314 | 331 |
| 130 | Optics | 161 | 7.4K | 545 | 264 |
| 131 | Petrology | 132 | 7.4K | 58 | 61 |
| 132 | Allergy | 51 | 7.2K | 166 | 125 |
| 133 | Alzheimer's disease | 239 | 7.1K | 60 | 61 |
| 134 | Ethology | 47 | 7.0K | 317 | 135 |
| 135 | Pediatrics | 71 | 6.9K | 325 | 194 |
| 136 | Economics | 210 | 6.9K | 370 | 296 |
| 137 | plant molecular biology | 81 | 6.8K | 170 | 164 |
| 138 | nanoscience | 88 | 6.8K | 383 | 279 |
| 139 | Surgery | 101 | 6.6K | 155 | 201 |
| 140 | Plant physiology | 110 | 6.6K | 196 | 167 |
| 141 | Genomics | 136 | 6.6K | 229 | 184 |
| 142 | Memory | 165 | 6.4K | 115 | 112 |
| 143 | Solid State Chemistry | 213 | 6.4K | 87 | 62 |
| 144 | Pharmaceutical Technology | 94 | 6.3K | 56 | 14 |
| 145 | drug therapy | 137 | 6.2K | 175 | 130 |
| 146 | Light | 30 | 6.2K | 183 | 74 |
| 147 | Molecular cloning | 45 | 6.1K | 155 | 16 |
| 147 | Genetic recombination | 45 | 6.1K | 149 | 16 |
| 147 | Recombinant DNA | 45 | 6.1K | 182 | 20 |
| 150 | Crystallography | 55 | 6.0K | 245 | 30 |
| 151 | Environmental Engineering | 89 | 6.0K | 432 | 325 |
| 152 | Host-parasite interactions | 69 | 5.9K | 108 | 110 |
| 153 | Virulence | 68 | 5.9K | 104 | 96 |
| 154 | Neurochemistry | 102 | 5.9K | 287 | 218 |
| 155 | Perception | 157 | 5.8K | 129 | 119 |
| 156 | Plant Ecology | 44 | 5.8K | 355 | 121 |
| 157 | Mental illness | 99 | 5.7K | 172 | 184 |
| 158 | Political Science | 212 | 5.6K | 67 | 83 |
| 159 | Chromatographic analysis | 151 | 5.6K | 41 | 11 |
| 160 | Immunotherapy | 72 | 5.6K | 187 | 150 |
| 161 | Nuclear Medicine | 120 | 5.6K | 43 | 39 |
| 162 | Chromatography | 144 | 5.6K | 26 | 7 |
| 163 | Biomedical Engineering | 120 | 5.6K | 621 | 468 |
| 164 | Photonics | 41 | 5.5K | 459 | 182 |
| 165 | Obesity | 114 | 5.5K | 163 | 158 |
| 166 | Medical Physics | 130 | 5.4K | 132 | 113 |
| 167 | Transplantation | 113 | 5.4K | 87 | 96 |
| 168 | Cell metabolism | 32 | 5.4K | 62 | 73 |
| 169 | Homeostasis | 27 | 5.3K | 60 | 73 |
| 170 | finance | 51 | 5.3K | 431 | 103 |
| 171 | Bioorganic chemistry | 114 | 5.3K | 250 | 188 |
| 172 | Vaccines | 112 | 5.3K | 103 | 64 |
| 173 | Liver diseases | 44 | 5.2K | 279 | 200 |
| 174 | Clinical Chemistry | 127 | 5.2K | 239 | 223 |
| 175 | alcoholism | 80 | 5.1K | 172 | 88 |
| 176 | arthritis | 66 | 5.1K | 158 | 115 |
| 177 | miniaturization | 64 | 5.1K | 242 | 209 |
| 178 | Diet | 72 | 5.0K | 246 | 212 |
| 179 | Molecular Imaging | 101 | 5.0K | 23 | 31 |
| 180 | drug addiction | 69 | 5.0K | 132 | 69 |
| 181 | Psychopharmacology | 55 | 4.9K | 224 | 155 |
| 182 | Superconductors | 210 | 4.9K | 25 | 17 |
| 183 | Physical Chemistry | 96 | 4.9K | 248 | 197 |
| 184 | Protozoa | 50 | 4.9K | 18 | 8 |
| 185 | Dementia | 207 | 4.8K | 61 | 67 |
| 186 | Bioenergetics | 36 | 4.8K | 119 | 34 |
| 187 | Energy metabolism | 35 | 4.8K | 107 | 31 |
| 188 | Molecular Microbiology | 66 | 4.8K | 75 | 98 |
| 189 | Materials Science | 84 | 4.8K | 831 | 633 |
| 190 | Nanostructures | 43 | 4.8K | 282 | 142 |
| 191 | cell membrane | 38 | 4.8K | 91 | 29 |
| 192 | Nonlinear Dynamics | 125 | 4.8K | 218 | 174 |
| 193 | Polymers | 122 | 4.7K | 707 | 562 |
| 194 | Catalysis | 119 | 4.7K | 600 | 638 |
| 195 | Sociology | 97 | 4.6K | 353 | 255 |
| 196 | Immune system | 30 | 4.6K | 192 | 163 |
| 197 | Drug delivery systems | 49 | 4.6K | 156 | 85 |
| 198 | Organic Chemistry | 104 | 4.6K | 422 | 307 |
| 198 | Electrochemistry | 154 | 4.6K | 526 | 421 |
| 200 | Oxidation-reduction | 34 | 4.6K | 95 | 44 |
| 201 | Education | 151 | 4.6K | 346 | 264 |
| 202 | environmental protection | 49 | 4.5K | 646 | 267 |
| 203 | Proteome | 83 | 4.5K | 50 | 57 |
| 204 | Social Sciences | 139 | 4.5K | 243 | 189 |
| 205 | Environmental Policy | 94 | 4.4K | 284 | 348 |
| 206 | Molecular ecology | 32 | 4.4K | 233 | 123 |
| 207 | DNA polymerases | 38 | 4.4K | 40 | 58 |
| 208 | organization | 14 | 4.4K | 300 | 101 |
| 209 | Microbial Ecology | 66 | 4.4K | 339 | 324 |
| 210 | Chromosome mapping | 70 | 4.3K | 156 | 118 |
| 211 | Statistics | 117 | 4.3K | 300 | 206 |
| 212 | Therapeutics | 61 | 4.2K | 234 | 132 |
| 213 | Attention | 124 | 4.2K | 142 | 123 |
| 214 | Bones | 40 | 4.2K | 101 | 39 |
| 215 | Microelectronics | 50 | 4.1K | 322 | 209 |
| 216 | Rheumatology | 45 | 4.1K | 168 | 100 |
| 217 | Ferroelectricity | 103 | 4.1K | 48 | 14 |
| 218 | sanitation | 53 | 4.1K | 244 | 271 |
| 219 | Child psychology | 103 | 4.0K | 171 | 221 |
| 220 | Molecular structure | 113 | 4.0K | 131 | 174 |
| 221 | Cardiovascular system | 44 | 4.0K | 313 | 277 |
| 222 | Visual Perception | 120 | 4.0K | 131 | 118 |
| 223 | United Kingdom | 72 | 4.0K | 184 | 142 |
| 224 | Hormones | 62 | 3.9K | 135 | 77 |
| 225 | Ophthalmology | 81 | 3.9K | 233 | 181 |
| 226 | Reproduction | 104 | 3.9K | 235 | 207 |
| 227 | plant communities | 29 | 3.8K | 254 | 105 |
| 228 | drug resistance | 122 | 3.8K | 2 | 4 |
| 229 | personality | 67 | 3.8K | 214 | 207 |
| 230 | Developmental Psychology | 79 | 3.7K | 91 | 108 |
| 231 | Environmental monitoring | 82 | 3.7K | 470 | 473 |
| 232 | Hydrology | 97 | 3.7K | 237 | 236 |
| 233 | Computer Graphics | 124 | 3.7K | 106 | 136 |
| 234 | proteins | 93 | 3.7K | 156 | 161 |
| 235 | Water | 77 | 3.7K | 334 | 398 |
| 236 | Geomorphology | 79 | 3.7K | 105 | 111 |
| 237 | Population Genetics | 27 | 3.7K | 313 | 139 |
| 238 | Hypertension | 42 | 3.7K | 324 | 267 |
| 239 | Numerical Analysis | 104 | 3.6K | 158 | 80 |
| 240 | Cosmology | 49 | 3.5K | 42 | 17 |
| 241 | Linguistics | 113 | 3.5K | 87 | 85 |
| 242 | Solar Energy | 38 | 3.5K | 248 | 97 |
| 243 | Signal Transduction | 43 | 3.4K | 202 | 143 |
| 244 | Engineering | 55 | 3.4K | 837 | 293 |
| 245 | Ethics | 56 | 3.4K | 72 | 7 |
| 246 | Medical Ethics | 61 | 3.4K | 115 | 18 |
| 247 | Infection control | 108 | 3.4K | 1 | 1 |
| 248 | Superconductivity | 106 | 3.3K | 12 | 12 |
| 249 | Evolution | 58 | 3.3K | 321 | 327 |
| 250 | Health | 36 | 3.2K | 426 | 172 |
| 251 | brain mapping | 61 | 3.2K | 46 | 55 |
| 252 | Image Processing | 61 | 3.2K | 337 | 267 |
| 253 | Water pollution | 51 | 3.2K | 533 | 391 |
| 254 | Meteorology | 56 | 3.2K | 393 | 346 |
| 255 | Child Development | 98 | 3.2K | 211 | 259 |
| 256 | Pediatric Neurology | 40 | 3.2K | 167 | 174 |
| 257 | Respiration | 75 | 3.1K | 161 | 155 |
| 258 | Energy Policy | 78 | 3.1K | 282 | 366 |
| 259 | Psycholinguistics | 91 | 3.1K | 73 | 106 |
| 260 | Diagnostic microbiology | 46 | 3.0K | 158 | 199 |
| 261 | polymerization | 74 | 3.0K | 793 | 613 |
| 262 | Marine Biology | 80 | 3.0K | 386 | 357 |
| 263 | Technology | 55 | 3.0K | 747 | 446 |
| 264 | free radicals | 34 | 3.0K | 249 | 179 |
| 265 | Environmental Microbiology | 28 | 3.0K | 285 | 164 |
| 266 | Oceanography | 52 | 3.0K | 337 | 256 |
| 267 | Sleep Disorders | 53 | 2.9K | 238 | 148 |
| 268 | Sleep | 56 | 2.9K | 220 | 156 |
| 269 | Speech | 37 | 2.9K | 165 | 71 |
| 270 | Thrombosis | 66 | 2.9K | 115 | 119 |
| 271 | behavioral medicine | 57 | 2.9K | 150 | 171 |
| 272 | Antioxidants | 27 | 2.9K | 84 | 63 |
| 273 | Oxidative stress | 22 | 2.9K | 120 | 45 |
| 274 | Health Policy | 84 | 2.9K | 249 | 209 |
| 274 | Vision | 56 | 2.9K | 99 | 79 |
| 276 | Gerontology | 101 | 2.8K | 194 | 165 |
| 277 | Plant genetic engineering | 26 | 2.8K | 180 | 75 |
| 278 | Nanostructured Materials | 91 | 2.8K | 487 | 566 |
| 279 | Mass Spectrometry | 46 | 2.8K | 154 | 71 |
| 280 | Communication | 31 | 2.8K | 529 | 237 |
| 281 | Microscopy | 45 | 2.8K | 165 | 65 |
| 282 | preventive medicine | 111 | 2.8K | 60 | 135 |
| 283 | Proteomics | 68 | 2.8K | 49 | 81 |
| 283 | calcification | 40 | 2.8K | 37 | 21 |
| 285 | nuclear astrophysics | 40 | 2.7K | 35 | 20 |
| 286 | Schizophrenia | 74 | 2.7K | 111 | 129 |
| 287 | Chronic diseases | 38 | 2.7K | 106 | 113 |
| 288 | Stem cells | 50 | 2.7K | 225 | 182 |
| 289 | Quantum theory | 85 | 2.6K | 46 | 49 |
| 290 | Oncology | 63 | 2.6K | 279 | 547 |
| 291 | Signal Processing | 56 | 2.6K | 509 | 423 |
| 292 | Membranes | 66 | 2.5K | 257 | 314 |
| 293 | Obstetrics | 88 | 2.5K | 280 | 286 |
| 294 | Medical Oncology | 50 | 2.5K | 288 | 249 |
| 295 | Meteorites | 47 | 2.5K | 203 | 230 |
| 296 | Pharmacokinetics | 44 | 2.5K | 58 | 30 |
| 297 | Disease | 4 | 2.4K | 243 | 158 |
| 298 | diseases | 4 | 2.4K | 232 | 158 |
| 299 | Photochemistry | 37 | 2.4K | 283 | 109 |
| 300 | Physical organic chemistry | 73 | 2.4K | 68 | 54 |
| 301 | pharmaceutical industry | 19 | 2.4K | 81 | 5 |
| 302 | Clinical Pharmacology | 76 | 2.4K | 89 | 93 |
| 303 | Pharmacognosy | 68 | 2.4K | 185 | 215 |
| 304 | auditory perception | 9 | 2.4K | 190 | 28 |
| 305 | Renewable Energy Sources | 30 | 2.4K | 687 | 629 |
| 306 | Primary health care | 77 | 2.4K | 160 | 137 |
| 306 | Plant diseases | 23 | 2.4K | 638 | 231 |
| 308 | Philosophy | 192 | 2.3K | 77 | 94 |
| 309 | Environmental Chemistry | 62 | 2.3K | 203 | 380 |
| 310 | Ore deposits | 68 | 2.3K | 29 | 36 |
| 311 | medical education | 106 | 2.3K | 161 | 191 |
| 312 | Bone diseases | 21 | 2.3K | 75 | 55 |
| 313 | Child | 113 | 2.3K | 194 | 264 |
| 313 | rehabilitation | 73 | 2.3K | 237 | 273 |
| 315 | natural products | 86 | 2.3K | 94 | 139 |
| 316 | Consciousness | 34 | 2.2K | 28 | 11 |
| 317 | transgenic organisms | 3 | 2.2K | 224 | 4 |
| 317 | transgenic animals | 3 | 2.2K | 216 | 4 |
| 317 | Transgenic plants | 3 | 2.2K | 392 | 15 |
| 320 | Bacterial infections | 34 | 2.2K | 85 | 134 |
| 321 | biological factors | 83 | 2.2K | 101 | 193 |
| 322 | energy conservation | 37 | 2.1K | 396 | 392 |
| 323 | Economic Development | 70 | 2.1K | 131 | 236 |
| 324 | Research Design | 26 | 2.1K | 258 | 160 |
| 325 | Biodiversity conservation | 21 | 2.1K | 515 | 501 |
| 326 | Adolescent | 31 | 2.1K | 494 | 253 |
| 327 | gene therapy | 22 | 2.1K | 257 | 147 |
| 328 | mycoses | 26 | 2.1K | 113 | 133 |
| 329 | Radiobiology | 46 | 2.1K | 222 | 192 |
| 330 | Health Education | 62 | 2.0K | 260 | 218 |
| 331 | Developing countries | 79 | 2.0K | 200 | 258 |
| 332 | Immunopathology | 57 | 2.0K | 168 | 171 |
| 333 | Microorganisms | 19 | 2.0K | 257 | 176 |
| 334 | Paleoclimatology | 61 | 2.0K | 131 | 164 |
| 335 | soil microbiology | 12 | 2.0K | 667 | 335 |
| 335 | Quality of life | 39 | 2.0K | 186 | 159 |
| 337 | Speech Perception | 4 | 2.0K | 278 | 34 |
| 338 | Oral communication | 3 | 2.0K | 445 | 6 |
| 339 | Crystallization | 10 | 2.0K | 205 | 10 |
| 339 | Learning | 58 | 2.0K | 175 | 233 |
| 341 | Clinical Immunology | 51 | 2.0K | 146 | 117 |
| 342 | Electrochemical Analysis | 72 | 2.0K | 144 | 157 |
| 343 | Volcanoes | 54 | 1.9K | 21 | 20 |
| 344 | Electronics | 52 | 1.9K | 768 | 560 |
| 345 | Sedimentology | 49 | 1.9K | 25 | 44 |
| 346 | Chemical structure | 5 | 1.9K | 349 | 3 |
| 347 | Business | 29 | 1.9K | 625 | 519 |
| 347 | Chromosomes | 32 | 1.9K | 144 | 94 |
| 349 | Genetic therapy | 21 | 1.9K | 290 | 151 |
| 350 | Computer Vision | 28 | 1.9K | 247 | 202 |
| 351 | Clinical Psychology | 30 | 1.9K | 322 | 275 |
| 352 | Computational Chemistry | 6 | 1.8K | 450 | 89 |
| 352 | vascular diseases | 22 | 1.8K | 177 | 142 |
| 354 | cytokines | 20 | 1.8K | 286 | 104 |
| 355 | human development | 41 | 1.8K | 108 | 105 |
| 356 | Artificial Intelligence | 83 | 1.8K | 543 | 744 |
| 356 | Economic History | 107 | 1.8K | 298 | 404 |
| 358 | psychotherapy | 53 | 1.8K | 214 | 272 |
| 359 | pain | 43 | 1.8K | 238 | 259 |
| 359 | Phylogeny | 27 | 1.8K | 156 | 115 |
| 361 | Sports Medicine | 67 | 1.7K | 399 | 437 |
| 362 | Liposomes | 15 | 1.7K | 156 | 62 |
| 362 | Lipid bilayers | 15 | 1.7K | 125 | 59 |
| 364 | Plant tissue culture | 18 | 1.7K | 155 | 36 |
| 365 | Plant cell culture | 9 | 1.7K | 270 | 33 |
| 366 | Environmental pollutants | 34 | 1.7K | 449 | 329 |
| 367 | economic policy | 83 | 1.7K | 218 | 231 |
| 368 | Pharmacogenetics | 38 | 1.7K | 119 | 110 |
| 369 | Health Services Research | 67 | 1.7K | 186 | 224 |
| 370 | Autoimmunity | 40 | 1.7K | 82 | 109 |
| 371 | Radiography | 19 | 1.7K | 215 | 178 |
| 372 | pollutants | 29 | 1.6K | 401 | 288 |
| 373 | Radiation effects | 9 | 1.6K | 262 | 31 |
| 374 | Social behavior | 38 | 1.6K | 212 | 217 |
| 375 | Chemotherapy | 38 | 1.6K | 248 | 178 |
| 376 | natural disasters | 42 | 1.6K | 93 | 110 |
| 377 | energy resources | 39 | 1.6K | 193 | 349 |
| 378 | adolescence | 10 | 1.6K | 453 | 161 |
| 379 | Long-Term Care | 26 | 1.6K | 83 | 76 |
| 379 | Long-term care facilities | 26 | 1.6K | 82 | 76 |
| 381 | isomerism | 28 | 1.5K | 20 | 4 |
| 381 | Chirality | 28 | 1.5K | 20 | 4 |
| 383 | cell interaction | 37 | 1.5K | 101 | 123 |
| 384 | freshwater biology | 22 | 1.5K | 188 | 104 |
| 385 | older people | 75 | 1.5K | 200 | 156 |
| 386 | Paleoecology | 52 | 1.5K | 140 | 182 |
| 387 | Planets | 42 | 1.5K | 394 | 445 |
| 388 | Jurisprudence | 69 | 1.5K | 56 | 52 |
| 389 | Tropical Medicine | 57 | 1.5K | 169 | 165 |
| 390 | Biodiversity | 35 | 1.5K | 473 | 452 |
| 391 | emergency management | 31 | 1.5K | 45 | 31 |
| 391 | Speech Disorders | 49 | 1.5K | 180 | 175 |
| 393 | Paleogeography | 48 | 1.5K | 122 | 173 |
| 394 | Climatology | 51 | 1.5K | 300 | 401 |
| 395 | Immunogenetics | 43 | 1.4K | 56 | 57 |
| 396 | Music | 18 | 1.4K | 234 | 46 |
| 397 | Global Health | 67 | 1.4K | 58 | 70 |
| 398 | Parasitology | 49 | 1.4K | 391 | 355 |
| 399 | Lipids | 21 | 1.4K | 352 | 259 |
| 400 | Climate change | 10 | 1.4K | 485 | 536 |
| 401 | Youth | 9 | 1.4K | 341 | 109 |
| 402 | Dermatology | 34 | 1.4K | 410 | 315 |
| 403 | Eating Disorders | 38 | 1.4K | 133 | 137 |
| 403 | Feeding and Eating Disorders | 38 | 1.4K | 125 | 129 |
| 405 | drug evaluation | 44 | 1.4K | 113 | 100 |
| 406 | Geodynamics | 28 | 1.4K | 245 | 223 |
| 407 | Neural circuitry | 14 | 1.4K | 885 | 375 |
| 408 | Bioethics | 56 | 1.3K | 90 | 58 |
| 409 | locomotion | 48 | 1.3K | 34 | 74 |
| 409 | posture | 48 | 1.3K | 34 | 74 |
| 409 | gait | 48 | 1.3K | 34 | 74 |
| 409 | walking | 48 | 1.3K | 34 | 74 |
| 413 | Eutrophication | 9 | 1.3K | 492 | 537 |
| 414 | Emergency Medicine | 53 | 1.3K | 187 | 160 |
| 415 | Inflammation | 33 | 1.3K | 150 | 199 |
| 416 | Molecules | 29 | 1.3K | 444 | 295 |
| 417 | Teaching | 37 | 1.3K | 344 | 266 |
| 418 | Drug design | 32 | 1.3K | 234 | 219 |
| 419 | Oncogenes | 14 | 1.3K | 434 | 368 |
| 420 | Educational Psychology | 58 | 1.3K | 218 | 340 |
| 421 | Hippocampus | 14 | 1.3K | 76 | 53 |
| 422 | Dynamics | 50 | 1.3K | 176 | 122 |
| 423 | Data Mining | 39 | 1.3K | 192 | 312 |
| 424 | cryosphere | 9 | 1.3K | 184 | 85 |
| 425 | Smoking | 37 | 1.3K | 128 | 135 |
| 426 | Environmental Law | 23 | 1.3K | 249 | 308 |
| 427 | Systems Biology | 46 | 1.2K | 197 | 234 |
| 427 | Aquatic ecology | 17 | 1.2K | 253 | 81 |
| 429 | Muscles | 13 | 1.2K | 308 | 158 |
| 430 | data collection | 36 | 1.2K | 81 | 227 |
| 431 | Nutrition physiology | 25 | 1.2K | 111 | 101 |
| 431 | Nutritional support | 25 | 1.2K | 4 | 7 |
| 433 | Autoimmune diseases | 33 | 1.2K | 71 | 80 |
| 434 | Medical Laboratory Science | 26 | 1.2K | 556 | 552 |
| 435 | Geography | 75 | 1.2K | 275 | 462 |
| 436 | Information Theory | 29 | 1.2K | 348 | 276 |
| 437 | disease outbreaks | 13 | 1.2K | 175 | 76 |
| 437 | Epidemics | 13 | 1.2K | 171 | 75 |
| 439 | Neuropsychiatry | 43 | 1.2K | 88 | 131 |
| 440 | Antigens | 34 | 1.2K | 116 | 107 |
| 441 | Sustainable Development | 22 | 1.2K | 486 | 418 |
| 442 | Hemostasis | 50 | 1.2K | 56 | 71 |
| 442 | commerce | 21 | 1.2K | 388 | 314 |
| 444 | Substance Abuse | 40 | 1.2K | 271 | 263 |
| 445 | global environmental change | 29 | 1.1K | 112 | 193 |
| 446 | Orthopedics | 32 | 1.1K | 365 | 316 |
| 446 | Endocrine glands | 11 | 1.1K | 72 | 62 |
| 448 | catalytic activity | 23 | 1.1K | 125 | 105 |
| 449 | Environmental Management | 31 | 1.1K | 784 | 948 |
| 449 | Antiviral agents | 22 | 1.1K | 39 | 14 |
| 451 | sustainability | 20 | 1.1K | 171 | 197 |
| 451 | Medical innovations | 21 | 1.1K | 221 | 344 |
| 453 | Econometrics | 50 | 1.1K | 213 | 281 |
| 454 | International Finance | 34 | 1.1K | 346 | 329 |
| 455 | cloning | 15 | 1.1K | 169 | 179 |
| 456 | Soft Condensed Matter | 31 | 1.1K | 263 | 244 |
| 457 | Performance | 20 | 1.1K | 43 | 38 |
| 458 | Environmental Toxicology | 18 | 1.1K | 844 | 643 |
| 459 | lasers | 19 | 1.1K | 828 | 375 |
| 460 | Sarcopenia | 7 | 1.1K | 163 | 53 |
| 461 | Clinical Biochemistry | 17 | 1.1K | 352 | 208 |
| 462 | Medical Technology | 60 | 1.1K | 104 | 254 |
| 463 | Sedimentary rocks | 32 | 1.1K | 45 | 79 |
| 464 | Cosmochemistry | 31 | 1.1K | 149 | 183 |
| 465 | biopolymers | 30 | 1.1K | 268 | 262 |
| 466 | Optical materials | 33 | 1.0K | 756 | 879 |
| 467 | Zoology | 34 | 1.0K | 687 | 524 |
| 468 | visualization | 99 | 1.0K | 95 | 158 |
| 469 | Neurosurgery | 32 | 1.0K | 183 | 222 |
| 469 | drug development | 22 | 1.0K | 193 | 306 |
| 471 | counseling | 41 | 1.0K | 252 | 266 |
| 472 | Magnetic Resonance Spectroscopy | 66 | 1.0K | 133 | 211 |
| 472 | Kidney diseases | 29 | 1.0K | 157 | 158 |
| 474 | Autoantibodies | 29 | 1.0K | 75 | 84 |
| 475 | motivation | 18 | 1.0K | 62 | 56 |
| 476 | Patient education | 38 | 998 | 76 | 133 |
| 477 | probabilities | 70 | 993 | 164 | 175 |
| 478 | Emotion | 17 | 990 | 24 | 32 |
| 479 | European Union | 15 | 981 | 33 | 15 |
| 480 | Antibacterial agents | 25 | 979 | 72 | 85 |
| 481 | enzymes | 32 | 976 | 313 | 348 |
| 482 | Wildlife conservation | 10 | 972 | 533 | 344 |
| 483 | Petroleum Geology | 43 | 967 | 47 | 90 |
| 484 | Memory disorders | 22 | 966 | 22 | 27 |
| 485 | Biogeochemistry | 29 | 964 | 278 | 376 |
| 486 | Altitude Sickness | 16 | 956 | 22 | 8 |
| 486 | Altitude | 16 | 956 | 22 | 8 |
| 488 | Molecular Pharmacology | 19 | 945 | 201 | 189 |
| 489 | Fiber Optics | 17 | 943 | 336 | 180 |
| 490 | Adolescent Psychology | 22 | 941 | 206 | 198 |
| 491 | city planning | 32 | 938 | 343 | 327 |
| 492 | Nonverbal Communication | 12 | 931 | 49 | 20 |
| 492 | Body language | 12 | 931 | 9 | 11 |
| 494 | Geomagnetism | 36 | 929 | 122 | 132 |
| 494 | Water quality management | 18 | 929 | 594 | 295 |
| 496 | Cognitive Psychology | 49 | 926 | 3 | 21 |
| 496 | Histocompatibility Testing | 19 | 926 | 91 | 44 |
| 498 | Public Policy | 44 | 925 | 291 | 394 |
| 499 | Personality Assessment | 14 | 923 | 190 | 144 |
| 500 | Geriatric Psychiatry | 32 | 922 | 144 | 158 |
| 500 | Operations Research | 51 | 922 | 440 | 629 |
| 502 | Sports | 26 | 912 | 656 | 536 |
| 503 | Parasites | 26 | 907 | 378 | 288 |
| 504 | Travel | 44 | 897 | 70 | 97 |
| 504 | Cell communication | 16 | 897 | 103 | 84 |
| 504 | language | 32 | 897 | 132 | 187 |
| 507 | Biogeography | 11 | 895 | 492 | 373 |
| 508 | Archaeology | 43 | 894 | 274 | 258 |
| 509 | Cardiovascular diseases | 34 | 885 | 370 | 392 |
| 509 | Luminescence | 28 | 885 | 254 | 129 |
| 511 | glycoproteins | 15 | 871 | 120 | 83 |
| 511 | Glycoconjugates | 15 | 871 | 120 | 83 |
| 511 | glycolipids | 15 | 871 | 120 | 83 |
| 514 | Public Administration | 24 | 868 | 387 | 290 |
| 515 | Geriatric Oncology | 23 | 862 | 93 | 93 |
| 515 | histological techniques | 19 | 862 | 161 | 184 |
| 517 | Radiology | 36 | 847 | 251 | 207 |
| 518 | Hematopoietic stem cell transplantation | 6 | 844 | 233 | 61 |
| 519 | Mental Health | 38 | 832 | 287 | 319 |
| 520 | cell adhesion molecules | 14 | 828 | 11 | 21 |
| 521 | warfare | 28 | 823 | 37 | 69 |
| 521 | Agriculture | 12 | 823 | 926 | 521 |
| 523 | Microbial Genetics | 17 | 822 | 60 | 74 |
| 524 | Economic Assistance | 23 | 821 | 137 | 200 |
| 525 | Cellular senescence | 7 | 818 | 96 | 71 |
| 526 | Nephrology | 20 | 815 | 132 | 148 |
| 527 | Plant Genetics | 15 | 810 | 239 | 264 |
| 528 | Transportation | 11 | 803 | 812 | 480 |
| 529 | Cybernetics | 22 | 799 | 475 | 481 |
| 530 | Community Psychiatry | 12 | 797 | 372 | 235 |
| 531 | Developmental Disabilities | 37 | 789 | 183 | 329 |
| 532 | Statistical Mechanics | 26 | 788 | 142 | 115 |
| 533 | Urban Economics | 11 | 786 | 116 | 90 |
| 534 | Cytokine | 4 | 783 | 301 | 85 |
| 535 | Combinatorial chemistry | 8 | 780 | 378 | 228 |
| 536 | Paleontology | 42 | 778 | 270 | 312 |
| 537 | Medical Anthropology | 24 | 772 | 318 | 419 |
| 538 | Ethnic relations | 21 | 767 | 93 | 39 |
| 539 | Growth factors | 3 | 766 | 231 | 70 |
| 540 | Chemical Engineering | 29 | 764 | 1654 | 1867 |
| 541 | Elderly | 49 | 756 | 211 | 139 |
| 542 | Marine Geology | 37 | 754 | 59 | 117 |
| 543 | Bioinorganic chemistry | 29 | 753 | 384 | 385 |
| 544 | Biometrics | 12 | 751 | 480 | 263 |
| 545 | Biosensors | 42 | 750 | 171 | 560 |
| 546 | Neurolinguistics | 23 | 749 | 72 | 120 |
| 547 | Algebra | 47 | 746 | 283 | 183 |
| 547 | Medicinal plants | 18 | 746 | 400 | 426 |
| 549 | Investment analysis | 3 | 745 | 1014 | 123 |
| 550 | Development | 20 | 739 | 188 | 239 |
| 551 | Mortgages | 15 | 738 | 48 | 20 |
| 552 | Quantum electronics | 15 | 737 | 675 | 343 |
| 553 | Computational Intelligence | 4 | 733 | 548 | 60 |
| 554 | race relations | 17 | 732 | 170 | 89 |
| 555 | refugees | 26 | 731 | 13 | 12 |
| 556 | Landslides | 11 | 730 | 60 | 55 |
| 557 | Organometallic chemistry | 29 | 729 | 540 | 416 |
| 558 | Carbohydrates | 20 | 728 | 67 | 98 |
| 559 | Fluid Mechanics | 11 | 723 | 774 | 422 |
| 559 | polar regions | 21 | 723 | 136 | 109 |
| 561 | Ethnic Conflict | 16 | 721 | 49 | 28 |
| 561 | risk factors | 26 | 721 | 126 | 173 |
| 561 | forced migration | 16 | 721 | 49 | 28 |
| 564 | Europa | 39 | 720 | 36 | 96 |
| 565 | Mental Health Services | 26 | 717 | 278 | 274 |
| 566 | Physical Geography | 13 | 716 | 138 | 76 |
| 567 | Fisheries | 33 | 714 | 328 | 410 |
| 568 | Psychoneuroimmunology | 12 | 708 | 225 | 215 |
| 568 | Neuroimmunology | 12 | 708 | 265 | 239 |
| 570 | Astrocytes | 15 | 701 | 122 | 188 |
| 571 | child behavior | 16 | 698 | 97 | 115 |
| 572 | Leadership | 10 | 696 | 191 | 183 |
| 573 | Systems Engineering | 12 | 692 | 1065 | 600 |
| 574 | Atmospheric Physics | 22 | 689 | 495 | 548 |
| 574 | phytopathogenic bacteria | 14 | 689 | 67 | 90 |
| 576 | RNA | 20 | 686 | 99 | 158 |
| 577 | Otolaryngology | 13 | 683 | 193 | 122 |
| 578 | international cooperation | 28 | 682 | 86 | 132 |
| 578 | children | 20 | 682 | 98 | 134 |
| 580 | mental processes | 29 | 681 | 39 | 46 |
| 581 | health planning | 29 | 679 | 530 | 487 |
| 582 | Evolutionary Genetics | 10 | 678 | 188 | 73 |
| 582 | Molecular Epidemiology | 10 | 678 | 188 | 73 |
| 584 | Foraminifera | 29 | 677 | 2 | 3 |
| 585 | world | 17 | 675 | 199 | 269 |
| 586 | fuel cells | 17 | 673 | 459 | 537 |
| 587 | Maps | 32 | 672 | 10 | 7 |
| 588 | Functional Analysis | 27 | 667 | 387 | 301 |
| 588 | Eigenvalues | 128 | 667 | 1 | 2 |
| 590 | Radiation Oncology | 17 | 661 | 68 | 49 |
| 591 | nuclear magnetic resonance | 50 | 659 | 180 | 286 |
| 592 | War | 24 | 652 | 13 | 7 |
| 592 | Electron Microscopy | 20 | 652 | 72 | 32 |
| 594 | Biomechanics | 27 | 651 | 305 | 411 |
| 595 | Contraception | 22 | 650 | 132 | 124 |
| 596 | Developmental Immunology | 19 | 649 | 107 | 135 |
| 597 | Sexual health | 26 | 647 | 126 | 155 |
| 597 | Malaria | 16 | 647 | 186 | 152 |
| 599 | rare diseases | 16 | 645 | 181 | 157 |
| 600 | Genetic testing | 7 | 642 | 134 | 3 |
| 600 | Oligosaccharide | 10 | 642 | 97 | 82 |
| 602 | software | 17 | 641 | 283 | 285 |
| 603 | Mycology | 25 | 638 | 435 | 527 |
| 604 | ecosystem | 8 | 635 | 735 | 532 |
| 605 | Autism | 14 | 630 | 242 | 232 |
| 606 | Mobile Computing | 14 | 626 | 410 | 287 |
| 607 | Food preferences | 13 | 625 | 115 | 94 |
| 608 | Plant Morphology | 15 | 623 | 151 | 78 |
| 609 | Geriatric Pharmacology | 12 | 620 | 74 | 34 |
| 610 | chemical pollution | 4 | 618 | 1 | 2 |
| 611 | protein | 17 | 615 | 418 | 368 |
| 611 | Informatics | 17 | 615 | 214 | 201 |
| 613 | Language Disorders | 27 | 614 | 208 | 216 |
| 614 | Osteoporosis | 15 | 612 | 55 | 42 |
| 615 | International Relations | 43 | 606 | 181 | 233 |
| 615 | Green Chemistry | 10 | 606 | 953 | 830 |
| 617 | marketing | 16 | 598 | 835 | 821 |
| 618 | Quantum Computing | 18 | 597 | 32 | 38 |
| 619 | Agricultural Chemistry | 13 | 595 | 998 | 809 |
| 620 | Globalization | 18 | 591 | 107 | 92 |
| 621 | Experimental Psychology | 24 | 590 | 157 | 231 |
| 621 | international trade | 33 | 590 | 57 | 163 |
| 623 | Regional Planning | 33 | 589 | 356 | 479 |
| 623 | Industrial Microbiology | 9 | 589 | 1041 | 789 |
| 625 | Soil Science | 19 | 585 | 650 | 710 |
| 626 | Psychiatric Epidemiology | 5 | 583 | 324 | 147 |
| 627 | Pharmacogenomics | 16 | 580 | 30 | 47 |
| 628 | Wireless Communication Systems | 11 | 579 | 1285 | 806 |
| 629 | cell movement | 8 | 578 | 94 | 65 |
| 630 | Metallurgy | 16 | 576 | 930 | 722 |
| 631 | Food | 13 | 572 | 1472 | 1309 |
| 631 | families | 33 | 572 | 151 | 197 |
| 633 | Energy Conversion | 10 | 561 | 626 | 689 |
| 634 | Chemical analysis | 18 | 558 | 311 | 319 |
| 635 | Photobiology | 21 | 556 | 298 | 376 |
| 636 | X-rays | 10 | 553 | 207 | 48 |
| 637 | Molecular Spectroscopy | 18 | 549 | 674 | 534 |
| 638 | voice | 6 | 544 | 308 | 79 |
| 639 | Knowledge | 47 | 543 | 42 | 86 |
| 639 | Genes | 14 | 543 | 394 | 278 |
| 641 | Multimedia Systems | 27 | 542 | 443 | 444 |
| 641 | Culture | 13 | 542 | 437 | 190 |
| 643 | Strategic planning | 8 | 540 | 373 | 218 |
| 644 | Africa | 39 | 531 | 214 | 253 |
| 644 | Decision making | 15 | 531 | 514 | 471 |
| 646 | Automation | 11 | 528 | 1196 | 1002 |
| 646 | Social problems | 7 | 528 | 373 | 222 |
| 648 | Biological Systems | 24 | 525 | 49 | 99 |
| 649 | Nanobiotechnology | 8 | 524 | 153 | 163 |
| 650 | Latin America | 28 | 522 | 300 | 135 |
| 651 | civil service | 9 | 520 | 158 | 110 |
| 652 | Quantum Communication | 11 | 517 | 45 | 57 |
| 653 | Leukemia | 17 | 515 | 348 | 443 |
| 654 | Urology | 22 | 512 | 507 | 559 |
| 655 | biological monitoring | 18 | 508 | 68 | 101 |
| 656 | Analytical Biochemistry | 24 | 507 | 421 | 558 |
| 657 | Real Estate Investment | 11 | 505 | 55 | 14 |
| 658 | Family | 23 | 503 | 265 | 286 |
| 658 | Elections | 26 | 503 | 56 | 84 |
| 660 | Antarctica | 22 | 500 | 106 | 79 |
| 661 | Natural resources | 6 | 498 | 482 | 283 |
| 662 | Humanities | 25 | 496 | 322 | 238 |
| 663 | Environmental Geology | 19 | 493 | 517 | 587 |
| 664 | Longevity | 7 | 491 | 52 | 23 |
| 665 | Neuroplasticity | 7 | 490 | 77 | 25 |
| 665 | neuronal plasticity | 7 | 490 | 16 | 14 |
| 667 | Magnetic Materials | 17 | 489 | 610 | 591 |
| 667 | rejuvenation | 6 | 489 | 39 | 20 |
| 669 | Nanoparticles | 25 | 488 | 520 | 789 |
| 670 | Recycling | 6 | 487 | 354 | 346 |
| 671 | Musicology | 6 | 485 | 95 | 14 |
| 672 | Culture techniques | 13 | 483 | 93 | 56 |
| 673 | Entropy | 30 | 481 | 115 | 151 |
| 674 | Lipid metabolism | 5 | 480 | 258 | 137 |
| 674 | Lipid | 5 | 480 | 257 | 138 |
| 676 | Quality Control | 9 | 478 | 827 | 556 |
| 677 | Human Geography | 30 | 474 | 254 | 356 |
| 677 | water supply | 14 | 474 | 330 | 404 |
| 679 | Popular culture | 7 | 472 | 282 | 33 |
| 680 | Palliative Care | 28 | 468 | 157 | 208 |
| 681 | environmental exposure | 25 | 466 | 459 | 789 |
| 682 | Birth control | 21 | 465 | 86 | 129 |
| 683 | Synaptic Transmission | 28 | 464 | 58 | 151 |
| 684 | nuclear magnetic resonance spectroscopy | 26 | 463 | 138 | 201 |
| 685 | Physical Therapy | 15 | 462 | 466 | 522 |
| 686 | Algae | 9 | 461 | 401 | 308 |
| 687 | behavior modification | 6 | 457 | 264 | 210 |
| 688 | Plant Biotechnology | 8 | 455 | 367 | 250 |
| 689 | Randomized Controlled Trials | 23 | 454 | 242 | 214 |
| 689 | Organometallic compounds | 17 | 454 | 499 | 495 |
| 691 | Neuropharmacology | 14 | 453 | 183 | 188 |
| 692 | Histochemistry | 16 | 448 | 364 | 330 |
| 693 | Water Microbiology | 4 | 447 | 337 | 85 |
| 694 | European integration | 14 | 446 | 66 | 72 |
| 694 | European Economic Community | 14 | 446 | 66 | 72 |
| 696 | Carcinogenesis | 13 | 445 | 336 | 410 |
| 696 | peace | 13 | 445 | 167 | 182 |
| 698 | Nuclear Engineering | 42 | 444 | 310 | 374 |
| 698 | Neuroimaging | 12 | 444 | 90 | 64 |
| 698 | Behavioral research | 9 | 444 | 203 | 56 |
| 701 | urban population | 5 | 442 | 132 | 116 |
| 702 | feeding behavior | 10 | 440 | 344 | 314 |
| 702 | movement | 8 | 440 | 134 | 93 |
| 704 | Conservation Biology | 11 | 439 | 497 | 469 |
| 704 | environmental indicators | 11 | 439 | 496 | 532 |
| 706 | Biomass Energy | 10 | 437 | 1323 | 1327 |
| 707 | Land use | 14 | 436 | 388 | 437 |
| 707 | Intelligence | 12 | 436 | 81 | 106 |
| 709 | Marine Pollution | 10 | 432 | 603 | 559 |
| 710 | Applied Linguistics | 21 | 431 | 116 | 132 |
| 711 | Organ transplantation | 33 | 430 | 46 | 62 |
| 712 | Sociolinguistics | 12 | 428 | 157 | 114 |
| 712 | Production Management | 5 | 428 | 885 | 716 |
| 714 | Chemical Oceanography | 13 | 425 | 100 | 144 |
| 714 | Vaccination | 9 | 425 | 59 | 54 |
| 716 | Andrology | 12 | 422 | 212 | 167 |
| 717 | Food additives | 8 | 420 | 574 | 504 |
| 718 | Phonetics | 13 | 419 | 104 | 105 |
| 719 | Emergency Medical Services | 30 | 415 | 78 | 122 |
| 719 | Metastasis | 1 | 415 | 309 | 101 |
| 721 | Demography | 21 | 414 | 134 | 237 |
| 722 | Developmental Neurobiology | 15 | 413 | 122 | 131 |
| 723 | Reproductive health | 20 | 411 | 175 | 236 |
| 724 | industrial relations | 13 | 408 | 333 | 239 |
| 725 | Marine resources | 12 | 405 | 233 | 198 |
| 725 | ports | 12 | 405 | 72 | 60 |
| 727 | Radio | 6 | 404 | 962 | 662 |
| 728 | Cognitive Therapy | 15 | 403 | 201 | 235 |
| 728 | Cell adhesion | 13 | 403 | 13 | 40 |
| 730 | Political Participation | 22 | 402 | 54 | 106 |
| 731 | Seaweed | 6 | 401 | 380 | 261 |
| 731 | Thorax | 4 | 401 | 290 | 178 |
| 733 | Seismology | 12 | 400 | 183 | 165 |
| 733 | atmospheric models | 9 | 400 | 345 | 346 |
| 735 | economic forecasting | 2 | 397 | 422 | 121 |
| 736 | Fluorescence spectroscopy | 15 | 396 | 44 | 49 |
| 736 | Family Therapy | 15 | 396 | 255 | 223 |
| 738 | Mechanical Engineering | 19 | 394 | 987 | 780 |
| 739 | Asia | 54 | 391 | 304 | 779 |
| 740 | Cytoskeleton | 10 | 390 | 97 | 101 |
| 740 | biochemical markers | 6 | 390 | 352 | 111 |
| 742 | NMR | 20 | 389 | 82 | 78 |
| 743 | election law | 20 | 388 | 49 | 78 |
| 743 | Voting | 20 | 388 | 45 | 77 |
| 745 | Agricultural Ecology | 5 | 387 | 724 | 556 |
| 745 | eye | 6 | 387 | 104 | 194 |
| 745 | toxicity testing | 7 | 387 | 275 | 164 |
| 748 | Computer Science | 21 | 386 | 600 | 571 |
| 748 | Historic Preservation | 17 | 386 | 17 | 15 |
| 748 | magnetic resonance | 19 | 386 | 93 | 86 |
| 751 | Telecommunication | 11 | 385 | 1379 | 1137 |
| 752 | actuators | 23 | 384 | 724 | 1143 |
| 752 | child mental health | 12 | 384 | 171 | 138 |
| 752 | transducers | 23 | 384 | 724 | 1143 |
| 755 | Biomarkers | 5 | 381 | 247 | 61 |
| 755 | Pregnancy | 17 | 381 | 213 | 262 |
| 757 | Language Acquisition | 14 | 379 | 60 | 63 |
| 757 | environmental issues | 16 | 379 | 70 | 129 |
| 759 | Social History | 21 | 378 | 106 | 66 |
| 759 | Fungi | 14 | 378 | 385 | 536 |
| 761 | Fluorescence | 3 | 377 | 465 | 34 |
| 762 | Computational Complexity | 23 | 374 | 163 | 183 |
| 763 | sexual behavior | 8 | 369 | 355 | 286 |
| 764 | Geriatric Medicine | 5 | 367 | 85 | 28 |
| 765 | China | 26 | 365 | 814 | 1090 |
| 766 | Radiation | 27 | 364 | 587 | 763 |
| 767 | Soil ecology | 5 | 361 | 565 | 383 |
| 768 | Marine Ecology | 7 | 359 | 487 | 256 |
| 768 | Virtual reality | 7 | 359 | 198 | 117 |
| 768 | Information Science | 20 | 359 | 879 | 1281 |
| 771 | Environmental Psychology | 15 | 357 | 65 | 237 |
| 771 | Energy Consumption | 9 | 357 | 153 | 218 |
| 773 | Hemophilia | 20 | 354 | 94 | 125 |
| 774 | sedimentary basins | 11 | 347 | 58 | 84 |
| 774 | mathematical analysis | 31 | 347 | 853 | 917 |
| 776 | Drug delivery devices | 10 | 346 | 35 | 105 |
| 777 | Forest Ecology | 10 | 342 | 517 | 519 |
| 778 | Multivariate Analysis | 8 | 340 | 303 | 198 |
| 779 | Geometry | 39 | 339 | 214 | 259 |
| 780 | Social policy | 17 | 336 | 323 | 329 |
| 781 | Quantum Optics | 9 | 333 | 492 | 307 |
| 781 | Professional ethics | 7 | 333 | 96 | 52 |
| 783 | Sites | 8 | 332 | 303 | 312 |
| 784 | Geographic information systems | 16 | 330 | 308 | 297 |
| 784 | Middle East | 27 | 330 | 160 | 212 |
| 786 | Forecasting | 5 | 328 | 382 | 188 |
| 786 | technical education | 7 | 328 | 382 | 175 |
| 788 | Political Psychology | 8 | 325 | 171 | 182 |
| 788 | educational statistics | 1 | 325 | 173 | 44 |
| 790 | transport vesicles | 3 | 324 | 197 | 266 |
| 791 | Translation | 30 | 322 | 4 | 10 |
| 791 | monoclonal antibodies | 7 | 322 | 96 | 49 |
| 791 | Political Parties | 13 | 322 | 45 | 70 |
| 794 | Restoration Ecology | 7 | 321 | 213 | 165 |
| 794 | Anxiety Disorders | 8 | 321 | 265 | 357 |
| 794 | Anxiety | 8 | 321 | 262 | 356 |
| 794 | Appetite | 7 | 321 | 368 | 348 |
| 798 | Software Engineering | 9 | 320 | 548 | 456 |
| 799 | Control Theory | 12 | 318 | 928 | 755 |
| 799 | psychophysics | 17 | 318 | 74 | 87 |
| 799 | DNA methylation | 1 | 318 | 458 | 127 |
| 802 | Robotics | 18 | 317 | 652 | 817 |
| 802 | Australia | 27 | 317 | 372 | 611 |
| 804 | Ecosystem management | 4 | 316 | 538 | 326 |
| 804 | Minerals | 8 | 316 | 357 | 247 |
| 804 | women | 6 | 316 | 573 | 166 |
| 807 | Emerging infectious diseases | 8 | 311 | 112 | 111 |
| 808 | Engineering Ethics | 5 | 309 | 114 | 49 |
| 809 | Electrical Engineering | 28 | 308 | 1084 | 1149 |
| 810 | Speech-Language Pathology | 7 | 307 | 135 | 71 |
| 810 | Human Rights | 20 | 307 | 111 | 146 |
| 810 | Methodology | 20 | 307 | 38 | 85 |
| 813 | Geodesy | 5 | 300 | 537 | 251 |
| 814 | Forensic Psychiatry | 14 | 298 | 187 | 188 |
| 815 | Organic Geochemistry | 12 | 297 | 124 | 218 |
| 816 | Fluid Dynamics | 3 | 295 | 1070 | 527 |
| 816 | fertility | 7 | 295 | 541 | 556 |
| 818 | Industrial Safety | 10 | 292 | 529 | 500 |
| 818 | Organizational change | 10 | 292 | 292 | 307 |
| 818 | Radioisotopes | 15 | 292 | 382 | 301 |
| 821 | Depression | 6 | 290 | 184 | 256 |
| 821 | Computer-Aided Design | 9 | 290 | 633 | 514 |
| 821 | energy development | 10 | 290 | 303 | 492 |
| 824 | Environmental risk assessment | 14 | 288 | 56 | 98 |
| 825 | Product life cycle | 5 | 284 | 178 | 142 |
| 825 | green products | 5 | 284 | 160 | 140 |
| 827 | Biogeochemical cycles | 2 | 283 | 451 | 350 |
| 828 | Oral Medicine | 12 | 281 | 289 | 197 |
| 829 | anesthesia | 21 | 280 | 74 | 81 |
| 830 | Solar System | 11 | 279 | 359 | 400 |
| 831 | concrete | 4 | 278 | 817 | 700 |
| 832 | Remote Sensing | 19 | 277 | 450 | 534 |
| 833 | Dentistry | 15 | 276 | 225 | 222 |
| 834 | Geopolitics | 13 | 274 | 42 | 62 |
| 835 | Groundwater | 6 | 273 | 336 | 249 |
| 835 | computer networks | 16 | 273 | 1038 | 1340 |
| 837 | health services accessibility | 30 | 271 | 168 | 405 |
| 838 | Number Theory | 22 | 269 | 209 | 127 |
| 838 | Freezing | 9 | 269 | 118 | 56 |
| 838 | Housing | 16 | 269 | 108 | 228 |
| 841 | Space telescopes | 16 | 266 | 32 | 45 |
| 841 | Algal blooms | 2 | 266 | 332 | 165 |
| 841 | Atomic spectroscopy | 7 | 266 | 733 | 497 |
| 841 | Cyanobacteria | 2 | 266 | 332 | 165 |
| 841 | microalgae | 2 | 266 | 332 | 165 |
| 846 | Financial management | 5 | 264 | 304 | 281 |
| 847 | Japan | 11 | 263 | 803 | 641 |
| 847 | Women's health | 14 | 263 | 421 | 517 |
| 849 | Cement | 3 | 262 | 562 | 483 |
| 850 | Cell division | 4 | 259 | 268 | 205 |
| 850 | Respiratory system | 12 | 259 | 196 | 299 |
| 850 | Germany | 11 | 259 | 215 | 90 |
| 850 | administrative agencies | 5 | 259 | 191 | 122 |
| 854 | Educational Technology | 14 | 258 | 623 | 838 |
| 855 | economic conditions | 12 | 256 | 170 | 281 |
| 856 | Cell migration | 2 | 254 | 95 | 38 |
| 857 | Immunochemistry | 19 | 251 | 227 | 437 |
| 857 | Public opinion | 10 | 251 | 181 | 216 |
| 859 | Political Geography | 10 | 249 | 125 | 144 |
| 859 | Economic Thought | 8 | 249 | 137 | 254 |
| 859 | eugenics | 7 | 249 | 263 | 217 |
| 862 | Marine biodiversity | 5 | 248 | 125 | 27 |
| 862 | Business Ethics | 6 | 248 | 686 | 873 |
| 862 | Intellectual disability | 19 | 248 | 246 | 370 |
| 865 | Anthropology | 32 | 247 | 397 | 652 |
| 866 | speech therapy | 8 | 245 | 230 | 174 |
| 867 | pain management | 22 | 244 | 120 | 276 |
| 867 | mass transfer | 3 | 244 | 1639 | 1080 |
| 869 | Petroleum Engineering | 7 | 240 | 401 | 332 |
| 869 | Psychometrics | 7 | 240 | 273 | 268 |
| 869 | soil conservation | 4 | 240 | 641 | 410 |
| 869 | land degradation | 4 | 240 | 389 | 238 |
| 869 | degradation | 4 | 240 | 389 | 238 |
| 874 | Scheduling | 4 | 239 | 96 | 45 |
| 874 | Production Scheduling | 4 | 239 | 96 | 45 |
| 874 | Health insurance | 6 | 239 | 250 | 211 |
| 877 | Amyotrophic Lateral Sclerosis | 11 | 238 | 67 | 116 |
| 877 | Holistic Health | 11 | 238 | 120 | 139 |
| 877 | allied health | 10 | 238 | 81 | 104 |
| 877 | conflict management | 6 | 238 | 145 | 138 |
| 881 | Sustainable Engineering | 5 | 237 | 1226 | 1091 |
| 881 | Psychosomatic Medicine | 7 | 237 | 429 | 477 |
| 881 | industrial hygiene | 17 | 237 | 258 | 275 |
| 884 | landscapes | 6 | 233 | 75 | 59 |
| 885 | Algorithms | 14 | 232 | 213 | 267 |
| 885 | Cell survival | 2 | 232 | 258 | 91 |
| 885 | molecular chaperones | 2 | 232 | 301 | 92 |
| 888 | International Business | 2 | 231 | 214 | 32 |
| 889 | peptides | 10 | 230 | 310 | 273 |
| 890 | Alternative Medicine | 14 | 229 | 506 | 815 |
| 890 | Infertility | 6 | 229 | 533 | 586 |
| 890 | Oligosaccharides | 5 | 229 | 144 | 94 |
| 893 | System analysis | 22 | 228 | 805 | 1332 |
| 894 | Digestive system diseases | 6 | 224 | 585 | 488 |
| 895 | Immunopharmacology | 2 | 223 | 1196 | 590 |
| 895 | intergroup relations | 11 | 223 | 48 | 107 |
| 897 | Hearing | 10 | 222 | 326 | 343 |
| 898 | Forest Management | 5 | 221 | 717 | 628 |
| 898 | Bacterial diseases | 5 | 221 | 137 | 131 |
| 900 | Hydrogeology | 10 | 220 | 271 | 332 |
| 900 | bioclimatology | 7 | 220 | 510 | 469 |
| 900 | complementary therapies | 13 | 220 | 591 | 882 |
| 903 | Law | 27 | 219 | 296 | 351 |
| 903 | Structural Equation Modeling | 2 | 219 | 141 | 86 |
| 903 | Gastrointestinal diseases | 11 | 219 | 204 | 248 |
| 906 | Geothermal Energy | 9 | 218 | 72 | 99 |
| 907 | Comparative Physiology | 8 | 217 | 455 | 492 |
| 908 | War and Society | 7 | 215 | 114 | 157 |
| 909 | Environmental Economics | 5 | 214 | 224 | 157 |
| 910 | monitoring | 30 | 213 | 6 | 60 |
| 911 | Philosophy of Mind | 20 | 210 | 28 | 102 |
| 911 | Sovereignty | 4 | 210 | 77 | 47 |
| 911 | Radiotherapy | 21 | 210 | 83 | 99 |
| 914 | Energy Storage | 6 | 209 | 850 | 806 |
| 914 | ethnicity | 8 | 209 | 354 | 231 |
| 916 | Information Systems | 14 | 208 | 502 | 799 |
| 917 | epilepsy | 13 | 207 | 363 | 474 |
| 918 | automatic speech recognition | 5 | 205 | 71 | 60 |
| 918 | Human Resources | 3 | 205 | 460 | 365 |
| 918 | Combinatorial analysis | 15 | 205 | 417 | 358 |
| 921 | Vocational Education | 8 | 204 | 297 | 254 |
| 922 | hospice care | 10 | 203 | 208 | 206 |
| 922 | government | 13 | 203 | 229 | 297 |
| 924 | International security | 4 | 202 | 166 | 165 |
| 924 | Video Games | 1 | 202 | 140 | 6 |
| 926 | Exercise | 13 | 201 | 623 | 776 |
| 927 | Commercial real estate | 9 | 200 | 12 | 4 |
| 927 | Ethnology | 45 | 200 | 194 | 584 |
| 927 | Antibodies | 7 | 200 | 322 | 332 |
| 930 | radioactive waste | 2 | 199 | 1002 | 830 |
| 930 | industrial waste | 3 | 199 | 845 | 831 |
| 930 | Hazardous waste | 2 | 199 | 1167 | 882 |
| 930 | hygiene | 7 | 199 | 225 | 237 |
| 934 | Hemodynamics | 8 | 198 | 315 | 523 |
| 934 | Corporate governance | 9 | 198 | 199 | 372 |
| 934 | Bacteria | 6 | 198 | 182 | 309 |
| 934 | Cerebellum | 8 | 198 | 118 | 159 |
| 934 | Cerebellar ataxia | 8 | 198 | 117 | 159 |
| 939 | Transport | 2 | 197 | 686 | 382 |
| 939 | violence | 5 | 197 | 717 | 624 |
| 941 | Transportation Engineering | 1 | 196 | 507 | 210 |
| 942 | occupational diseases | 15 | 195 | 234 | 488 |
| 942 | Laser Spectroscopy | 4 | 195 | 720 | 400 |
| 944 | Differential Equations | 4 | 193 | 941 | 552 |
| 944 | Personality Disorders | 8 | 193 | 117 | 185 |
| 946 | Politics | 11 | 189 | 226 | 269 |
| 946 | thinking | 6 | 189 | 147 | 158 |
| 948 | Risk Management | 8 | 188 | 303 | 370 |
| 948 | Reproductive toxicology | 3 | 188 | 392 | 262 |
| 950 | Mountains | 22 | 187 | 33 | 90 |
| 950 | Egypt | 3 | 187 | 539 | 296 |
| 952 | Socioeconomic Factors | 11 | 186 | 280 | 465 |
| 953 | Asthma | 10 | 185 | 245 | 296 |
| 953 | Extreme Value Theory | 7 | 185 | 31 | 22 |
| 953 | society | 6 | 185 | 34 | 19 |
| 956 | Cell surface receptors | 9 | 183 | 17 | 18 |
| 957 | Herbal medicine | 5 | 181 | 495 | 562 |
| 957 | urban health | 7 | 181 | 117 | 153 |
| 957 | Crystal growth | 11 | 181 | 485 | 675 |
| 960 | curriculum evaluation | 5 | 180 | 258 | 185 |
| 961 | Occupational Health | 17 | 179 | 282 | 507 |
| 961 | Democracy | 9 | 179 | 115 | 96 |
| 961 | Enzyme inhibitors | 9 | 179 | 149 | 207 |
| 964 | Computational Fluid Dynamics | 8 | 178 | 340 | 378 |
| 965 | scientific societies | 7 | 177 | 391 | 420 |
| 965 | Spine | 9 | 177 | 325 | 490 |
| 967 | Pharmacy management | 11 | 175 | 94 | 126 |
| 968 | biomedicine | 4 | 174 | 381 | 350 |
| 969 | cosmetics | 4 | 173 | 115 | 64 |
| 970 | Bilingualism | 4 | 171 | 112 | 80 |
| 970 | Population | 16 | 171 | 271 | 606 |
| 972 | Child welfare | 13 | 170 | 415 | 599 |
| 972 | Flood control | 4 | 170 | 174 | 70 |
| 974 | Social interaction | 6 | 169 | 212 | 224 |
| 975 | Electromagnetism | 6 | 168 | 699 | 573 |
| 975 | Entomology | 6 | 168 | 1575 | 1175 |
| 977 | population geography | 6 | 167 | 229 | 233 |
| 977 | Suicide | 6 | 167 | 325 | 332 |
| 979 | behavior therapy | 8 | 166 | 470 | 558 |
| 980 | foreign exchange | 5 | 165 | 247 | 279 |
| 980 | France | 11 | 165 | 151 | 124 |
| 980 | Peroxisomes | 5 | 165 | 7 | 29 |
| 983 | civil rights | 8 | 163 | 178 | 160 |
| 983 | food contamination | 5 | 163 | 709 | 512 |
| 983 | Neuromuscular diseases | 6 | 163 | 384 | 401 |
| 986 | embryonic development | 5 | 162 | 272 | 275 |
| 986 | Post-traumatic stress disorder | 11 | 162 | 338 | 570 |
| 988 | Horticulture | 4 | 161 | 627 | 381 |
| 989 | Computational Mathematics | 6 | 160 | 60 | 69 |
| 989 | health behavior | 5 | 160 | 636 | 612 |
| 991 | Multilingualism | 8 | 159 | 98 | 158 |
| 991 | Androgens | 1 | 159 | 359 | 168 |
| 993 | Mathematical Economics | 6 | 157 | 183 | 236 |
| 994 | Electrophysiology | 8 | 155 | 524 | 545 |
| 994 | Biomolecules | 2 | 155 | 561 | 397 |
| 994 | Steroids | 8 | 155 | 505 | 633 |
| 997 | Ergonomics | 8 | 154 | 527 | 564 |
| 997 | Quantitative Research | 2 | 154 | 256 | 185 |
| 997 | Soil biology | 4 | 154 | 739 | 861 |
| 1000 | Audiology | 5 | 153 | 555 | 518 |