| 1 | Science | 5,151 | 556.8K | 25 | 31 |
| 2 | Biology | 5,754 | 534.6K | 22 | 32 |
| 3 | Physics | 3,586 | 377.9K | 82 | 63 |
| 4 | Ecology | 3,846 | 327.9K | 1 | 1 |
| 5 | Biochemistry | 4,573 | 240.2K | 31 | 30 |
| 6 | Molecular Biology | 3,084 | 225.0K | 28 | 37 |
| 7 | Natural history | 1,034 | 221.3K | 35 | 40 |
| 8 | Medicine | 4,162 | 220.7K | 38 | 56 |
| 9 | Neurology | 2,596 | 203.2K | 37 | 37 |
| 10 | Chemistry | 2,964 | 197.9K | 93 | 78 |
| 11 | Microbiology | 2,404 | 169.8K | 13 | 20 |
| 12 | Genetics | 2,112 | 166.0K | 6 | 17 |
| 13 | Botany | 2,631 | 153.0K | 1 | 2 |
| 14 | Cell Biology | 1,073 | 139.2K | 37 | 42 |
| 15 | Cytology | 1,158 | 135.2K | 44 | 46 |
| 16 | Research | 2,867 | 120.8K | 35 | 35 |
| 17 | Environment | 1,450 | 112.2K | 9 | 11 |
| 18 | Biophysics | 2,256 | 107.7K | 15 | 12 |
| 19 | Biotechnology | 1,023 | 103.2K | 45 | 20 |
| 20 | Pollution | 1,704 | 95.6K | 8 | 17 |
| 21 | Virology | 981 | 95.3K | 25 | 45 |
| 22 | Nutrition | 1,426 | 85.0K | 4 | 3 |
| 23 | Neurophysiology | 1,162 | 84.1K | 19 | 27 |
| 24 | United States | 2,300 | 82.8K | 31 | 33 |
| 25 | biological evolution | 610 | 81.1K | 5 | 6 |
| 26 | Materials | 1,086 | 72.6K | 132 | 104 |
| 27 | Environmental Health | 1,425 | 72.1K | 12 | 24 |
| 28 | Bioengineering | 508 | 72.0K | 77 | 20 |
| 29 | Nuclear Physics | 1,648 | 71.7K | 110 | 102 |
| 30 | Plant cells | 575 | 69.8K | 1 | 2 |
| 31 | Evolution | 550 | 69.3K | 4 | 1 |
| 32 | Psychology | 1,064 | 69.1K | 62 | 47 |
| 33 | Physiology | 1,329 | 66.4K | 23 | 22 |
| 34 | Psychiatry | 895 | 65.9K | 61 | 51 |
| 35 | Psychophysiology | 981 | 64.8K | 21 | 20 |
| 36 | Astronomy | 780 | 64.6K | 171 | 139 |
| 37 | Astrophysics | 1,012 | 63.4K | 156 | 187 |
| 38 | Animal Behavior | 961 | 62.4K | 3 | 2 |
| 39 | Human genetics | 263 | 58.6K | 95 | 87 |
| 40 | Toxicology | 1,302 | 54.5K | 9 | 5 |
| 41 | Spectrum analysis | 954 | 54.0K | 82 | 116 |
| 42 | Plants | 574 | 53.8K | 4 | 3 |
| 43 | plant molecular biology | 521 | 52.9K | 7 | 4 |
| 44 | Biochemical Engineering | 257 | 51.4K | 134 | 24 |
| 45 | Ethology | 742 | 51.1K | 2 | 2 |
| 46 | Environmental Engineering | 858 | 49.5K | 13 | 24 |
| 47 | environmental pollution | 1,087 | 48.9K | 8 | 9 |
| 48 | Diet | 618 | 48.5K | 5 | 4 |
| 49 | Plant diseases | 1,136 | 47.2K | 2 | 2 |
| 50 | Economics | 614 | 47.1K | 65 | 36 |
| 51 | Endocrinology | 764 | 46.8K | 56 | 64 |
| 52 | Condensed Matter | 1,151 | 46.4K | 65 | 75 |
| 53 | Solid State Physics | 1,158 | 45.3K | 74 | 73 |
| 54 | Child Development | 594 | 42.5K | 17 | 16 |
| 55 | Developmental Biology | 520 | 41.7K | 34 | 40 |
| 56 | Plant physiology | 616 | 41.6K | 7 | 7 |
| 57 | Pharmacology | 861 | 39.7K | 105 | 64 |
| 58 | Immunology | 737 | 39.6K | 56 | 89 |
| 59 | Climatology | 160 | 39.6K | 109 | 14 |
| 60 | Behavior | 633 | 39.2K | 46 | 45 |
| 61 | Nanotechnology | 483 | 38.8K | 207 | 150 |
| 62 | Geophysics | 741 | 38.7K | 103 | 78 |
| 63 | Pediatrics | 635 | 38.3K | 47 | 45 |
| 64 | Agricultural Chemistry | 549 | 36.9K | 13 | 1 |
| 65 | Breeding | 567 | 36.9K | 1 | 2 |
| 66 | human behavior | 484 | 36.4K | 25 | 29 |
| 67 | Microbial Ecology | 471 | 36.0K | 13 | 28 |
| 68 | Genomics | 799 | 35.9K | 2 | 4 |
| 69 | Social Psychology | 405 | 35.5K | 49 | 41 |
| 70 | Cognitive neuroscience | 349 | 35.4K | 8 | 14 |
| 70 | Agriculture | 812 | 35.4K | 2 | 2 |
| 72 | Public Health | 607 | 35.2K | 152 | 108 |
| 73 | Food | 569 | 34.1K | 10 | 7 |
| 74 | Entomology | 1,021 | 33.5K | 8 | 4 |
| 75 | soil microbiology | 374 | 32.8K | 9 | 5 |
| 76 | Neurons | 157 | 32.4K | 25 | 34 |
| 77 | Telecommunication | 432 | 31.3K | 48 | 32 |
| 78 | Medical genetics | 359 | 31.2K | 99 | 77 |
| 79 | Chemical Engineering | 546 | 31.0K | 161 | 115 |
| 80 | Soil Science | 559 | 31.0K | 10 | 10 |
| 81 | Materials Science | 731 | 30.9K | 108 | 127 |
| 82 | Computational Biology | 305 | 28.8K | 43 | 33 |
| 83 | Quantum Gravity | 661 | 28.3K | 66 | 96 |
| 84 | Statistics | 559 | 28.0K | 35 | 32 |
| 85 | Nervous system | 319 | 27.7K | 58 | 46 |
| 86 | Neurobiology | 342 | 27.6K | 33 | 30 |
| 87 | Mental Disorders | 390 | 27.6K | 75 | 69 |
| 88 | Geography | 473 | 27.6K | 20 | 11 |
| 89 | Child psychology | 392 | 27.3K | 26 | 29 |
| 90 | Metabolism | 383 | 27.2K | 91 | 91 |
| 91 | personality | 281 | 27.0K | 24 | 20 |
| 92 | Biodiversity conservation | 307 | 26.9K | 12 | 26 |
| 93 | Surgery | 273 | 26.1K | 66 | 88 |
| 94 | Autoimmunity | 300 | 25.8K | 1 | 1 |
| 95 | Immunity | 222 | 25.6K | 73 | 88 |
| 96 | Analytical Chemistry | 447 | 25.5K | 120 | 62 |
| 97 | Cancer | 409 | 25.4K | 111 | 103 |
| 98 | sanitation | 375 | 25.1K | 19 | 36 |
| 99 | viruses | 345 | 24.6K | 26 | 32 |
| 100 | Epidemiology | 355 | 24.5K | 112 | 72 |
| 101 | Metabolic diseases | 233 | 24.3K | 110 | 83 |
| 102 | Meteorology | 344 | 23.7K | 83 | 70 |
| 103 | Neuropsychology | 415 | 23.6K | 20 | 13 |
| 104 | Biomedical Engineering | 586 | 23.4K | 88 | 81 |
| 105 | Brain | 464 | 23.3K | 54 | 65 |
| 106 | Geology | 485 | 23.2K | 85 | 81 |
| 107 | Molecular Genetics | 415 | 23.2K | 7 | 14 |
| 108 | Bacteriology | 469 | 23.1K | 11 | 46 |
| 109 | Alzheimer's disease | 629 | 23.1K | 20 | 21 |
| 110 | Child | 450 | 22.7K | 30 | 17 |
| 111 | Growth | 285 | 22.5K | 29 | 44 |
| 112 | Environmental Toxicology | 374 | 21.6K | 5 | 10 |
| 113 | Biodiversity | 291 | 21.5K | 9 | 9 |
| 114 | genome | 183 | 21.5K | 38 | 39 |
| 115 | gene mapping | 303 | 21.5K | 14 | 23 |
| 116 | Transportation | 483 | 21.5K | 18 | 14 |
| 117 | Embryology | 318 | 21.4K | 31 | 40 |
| 118 | Anatomy | 330 | 21.3K | 32 | 39 |
| 119 | Liver diseases | 249 | 20.7K | 30 | 40 |
| 120 | Dementia | 587 | 20.7K | 21 | 21 |
| 121 | Cognition | 406 | 20.6K | 14 | 33 |
| 122 | Metallurgy | 268 | 20.6K | 85 | 44 |
| 123 | Medical Physics | 537 | 20.5K | 19 | 20 |
| 124 | Reproduction | 552 | 20.5K | 12 | 15 |
| 125 | Biocompatible Materials | 347 | 20.5K | 169 | 169 |
| 126 | Cell differentiation | 271 | 20.3K | 42 | 61 |
| 127 | Atmospheric Physics | 284 | 20.2K | 58 | 45 |
| 128 | Water | 362 | 20.0K | 35 | 47 |
| 129 | Host-parasite interactions | 226 | 19.8K | 14 | 21 |
| 130 | Mathematics | 812 | 19.7K | 170 | 73 |
| 131 | Population Genetics | 308 | 19.7K | 4 | 10 |
| 132 | Developmental Disabilities | 248 | 19.6K | 9 | 7 |
| 133 | Mathematical Physics | 299 | 19.5K | 115 | 40 |
| 134 | miniaturization | 129 | 19.5K | 119 | 55 |
| 135 | Memory | 488 | 19.4K | 28 | 31 |
| 136 | Environmental Policy | 297 | 18.9K | 43 | 49 |
| 137 | Plant Ecology | 275 | 18.7K | 8 | 7 |
| 138 | Wildlife conservation | 217 | 18.7K | 9 | 4 |
| 139 | Technology | 382 | 18.6K | 93 | 41 |
| 140 | Perception | 539 | 18.6K | 21 | 26 |
| 141 | Hydrology | 490 | 18.4K | 18 | 37 |
| 142 | Hematology | 410 | 18.3K | 118 | 143 |
| 143 | Sociology | 310 | 18.3K | 87 | 55 |
| 144 | computer networks | 342 | 18.1K | 22 | 12 |
| 145 | Mental illness | 217 | 18.1K | 80 | 61 |
| 146 | Environmental Chemistry | 339 | 18.0K | 3 | 33 |
| 147 | Statistical physics | 528 | 18.0K | 122 | 110 |
| 148 | Catalysis | 351 | 17.8K | 208 | 203 |
| 149 | Dermatology | 352 | 17.7K | 39 | 25 |
| 150 | Autoimmune diseases | 218 | 17.6K | 1 | 1 |
| 151 | Cytogenetics | 205 | 17.4K | 34 | 43 |
| 152 | Autoantibodies | 211 | 17.3K | 1 | 1 |
| 153 | Medical Microbiology | 266 | 17.2K | 53 | 49 |
| 154 | Oceanography | 235 | 17.2K | 85 | 55 |
| 155 | Soil biology | 163 | 17.2K | 21 | 12 |
| 156 | Psychopharmacology | 169 | 17.0K | 68 | 43 |
| 157 | Aging | 464 | 16.8K | 46 | 57 |
| 158 | Bioinformatics | 159 | 16.8K | 90 | 54 |
| 159 | Signal Processing | 318 | 16.8K | 89 | 84 |
| 160 | Atmospheric Chemistry | 197 | 16.7K | 49 | 40 |
| 161 | Molecular evolution | 223 | 16.5K | 14 | 29 |
| 162 | Cardiovascular system | 187 | 16.3K | 102 | 114 |
| 163 | Primates | 521 | 16.3K | 2 | 2 |
| 164 | Water pollution | 341 | 16.3K | 33 | 48 |
| 165 | proteins | 273 | 16.2K | 27 | 18 |
| 166 | Cognitive Science | 158 | 16.2K | 25 | 25 |
| 167 | environmental protection | 338 | 16.0K | 21 | 27 |
| 168 | Ophthalmology | 345 | 16.0K | 42 | 40 |
| 169 | Pharmaceutical Chemistry | 260 | 16.0K | 190 | 105 |
| 170 | Cerebral cortex | 229 | 15.9K | 7 | 11 |
| 171 | Zoology | 419 | 15.7K | 16 | 9 |
| 172 | Conservation Biology | 262 | 15.7K | 4 | 7 |
| 173 | Social behavior | 240 | 15.7K | 8 | 9 |
| 174 | transport vesicles | 9 | 15.7K | 61 | 40 |
| 175 | finance | 70 | 15.5K | 351 | 43 |
| 176 | Computer Graphics | 383 | 15.5K | 14 | 29 |
| 177 | Geochemistry | 261 | 15.4K | 89 | 78 |
| 178 | Microscopy | 93 | 15.4K | 44 | 2 |
| 179 | Climate change | 135 | 15.4K | 27 | 48 |
| 180 | Medical Laboratory Science | 239 | 15.3K | 26 | 29 |
| 181 | Animal ecology | 316 | 15.3K | 4 | 5 |
| 182 | Eutrophication | 131 | 15.3K | 27 | 47 |
| 183 | Optics | 600 | 15.1K | 144 | 129 |
| 184 | Microelectronics | 87 | 15.0K | 190 | 66 |
| 185 | Chromosome mapping | 251 | 14.9K | 13 | 12 |
| 186 | Developmental Psychology | 227 | 14.9K | 18 | 18 |
| 187 | Genetic engineering | 269 | 14.5K | 12 | 12 |
| 188 | Agronomy | 304 | 14.4K | 12 | 10 |
| 188 | Attention | 410 | 14.4K | 30 | 26 |
| 190 | Neurochemistry | 244 | 14.4K | 100 | 72 |
| 191 | Metals | 184 | 14.3K | 117 | 66 |
| 192 | Geriatrics | 418 | 14.2K | 71 | 88 |
| 193 | Colloids | 364 | 14.2K | 144 | 150 |
| 194 | Social Sciences | 367 | 14.1K | 54 | 42 |
| 195 | Visual Perception | 407 | 14.1K | 29 | 27 |
| 196 | plant communities | 204 | 14.1K | 6 | 7 |
| 197 | Marine Biology | 341 | 14.1K | 52 | 55 |
| 198 | food technology | 335 | 14.0K | 33 | 30 |
| 199 | Microorganisms | 68 | 13.8K | 48 | 5 |
| 200 | Economic History | 261 | 13.8K | 86 | 28 |
| 201 | Virulence | 151 | 13.6K | 27 | 25 |
| 202 | cell physiology | 199 | 13.6K | 44 | 41 |
| 203 | Surface Chemistry | 361 | 13.4K | 139 | 141 |
| 204 | Emergency Medicine | 320 | 13.4K | 14 | 5 |
| 205 | Planets | 197 | 13.4K | 117 | 83 |
| 206 | Political Science | 246 | 12.8K | 52 | 28 |
| 207 | Agricultural Ecology | 222 | 12.7K | 13 | 12 |
| 208 | Molecular ecology | 196 | 12.5K | 12 | 28 |
| 209 | Communication | 247 | 12.5K | 45 | 34 |
| 210 | Obstetrics | 263 | 12.5K | 103 | 66 |
| 211 | Autism | 241 | 12.1K | 2 | 4 |
| 212 | Analytical Biochemistry | 193 | 11.8K | 6 | 17 |
| 213 | Plant genetic engineering | 126 | 11.8K | 21 | 7 |
| 214 | Meteorites | 182 | 11.7K | 48 | 53 |
| 215 | free radicals | 171 | 11.7K | 15 | 20 |
| 216 | Electronics | 245 | 11.6K | 193 | 118 |
| 217 | Economic Development | 156 | 11.5K | 35 | 30 |
| 218 | nucleic acids | 178 | 11.3K | 73 | 139 |
| 219 | Medical Oncology | 229 | 11.3K | 66 | 65 |
| 220 | Environmental monitoring | 323 | 11.2K | 48 | 123 |
| 221 | Geotechnical Engineering | 217 | 11.0K | 3 | 3 |
| 222 | Pediatric Neurology | 92 | 11.0K | 65 | 59 |
| 223 | human development | 175 | 11.0K | 4 | 8 |
| 224 | Hypertension | 87 | 10.8K | 202 | 150 |
| 225 | Polymers | 297 | 10.8K | 348 | 303 |
| 226 | Environmental pollutants | 262 | 10.8K | 8 | 15 |
| 227 | Critical Care | 128 | 10.7K | 108 | 110 |
| 228 | Radio | 119 | 10.7K | 113 | 60 |
| 229 | Critical Care Medicine | 125 | 10.7K | 112 | 111 |
| 230 | Proteome | 153 | 10.7K | 21 | 18 |
| 231 | Pathology | 209 | 10.5K | 112 | 114 |
| 232 | Stem cells | 188 | 10.4K | 35 | 23 |
| 233 | Water quality management | 310 | 10.3K | 5 | 6 |
| 234 | Orthopedics | 184 | 10.2K | 54 | 27 |
| 235 | Insects | 195 | 10.1K | 23 | 11 |
| 236 | Environmental Geology | 175 | 10.1K | 15 | 6 |
| 237 | Fisheries | 287 | 10.0K | 23 | 21 |
| 238 | Biomechanics | 235 | 10.0K | 18 | 31 |
| 239 | Oncology | 165 | 9.9K | 109 | 183 |
| 240 | Energy Policy | 123 | 9.8K | 155 | 76 |
| 241 | Clinical Chemistry | 186 | 9.8K | 142 | 106 |
| 242 | Aquaculture | 259 | 9.7K | 23 | 20 |
| 243 | pollutants | 241 | 9.7K | 5 | 16 |
| 244 | Physical Chemistry | 229 | 9.6K | 71 | 93 |
| 245 | Parasitology | 223 | 9.6K | 50 | 25 |
| 246 | Information Theory | 154 | 9.6K | 53 | 45 |
| 247 | Organic Chemistry | 283 | 9.6K | 85 | 117 |
| 248 | ecosystem | 215 | 9.4K | 2 | 19 |
| 249 | water supply | 193 | 9.3K | 14 | 31 |
| 250 | Anthropology | 325 | 9.2K | 32 | 30 |
| 251 | Genetic regulation | 108 | 9.2K | 41 | 57 |
| 252 | Urology | 291 | 9.2K | 60 | 73 |
| 253 | Environmental Management | 170 | 9.1K | 88 | 76 |
| 253 | Respiration | 236 | 9.1K | 30 | 54 |
| 255 | Membranes | 180 | 9.0K | 63 | 76 |
| 256 | Radiobiology | 184 | 8.9K | 59 | 49 |
| 257 | protein | 145 | 8.9K | 28 | 34 |
| 258 | Plant Biotechnology | 95 | 8.8K | 21 | 2 |
| 259 | energy resources | 90 | 8.8K | 43 | 28 |
| 260 | Nanostructured Materials | 203 | 8.6K | 213 | 221 |
| 261 | Bioorganic chemistry | 187 | 8.6K | 103 | 94 |
| 262 | Diagnostic microbiology | 130 | 8.6K | 38 | 52 |
| 262 | Birds | 287 | 8.6K | 14 | 13 |
| 264 | Nutrition physiology | 131 | 8.6K | 5 | 5 |
| 265 | Developing countries | 146 | 8.6K | 84 | 44 |
| 266 | visualization | 360 | 8.5K | 4 | 7 |
| 267 | behavioral medicine | 77 | 8.5K | 109 | 56 |
| 268 | organization | 39 | 8.4K | 105 | 47 |
| 269 | Oncogenes | 107 | 8.3K | 60 | 69 |
| 270 | Health | 174 | 8.3K | 98 | 67 |
| 271 | Population | 96 | 8.3K | 29 | 4 |
| 272 | arthritis | 69 | 8.1K | 154 | 71 |
| 273 | Rheumatology | 53 | 8.1K | 150 | 44 |
| 274 | Automation | 112 | 8.1K | 222 | 165 |
| 275 | Biomass Energy | 105 | 8.0K | 153 | 121 |
| 276 | Wireless Communication Systems | 198 | 8.0K | 127 | 118 |
| 277 | Earth Sciences | 151 | 8.0K | 245 | 193 |
| 278 | Lipids | 111 | 8.0K | 37 | 26 |
| 279 | Glass | 192 | 7.7K | 32 | 32 |
| 280 | Ceramics | 217 | 7.7K | 34 | 35 |
| 281 | Chemical Ecology | 121 | 7.7K | 10 | 4 |
| 282 | world | 124 | 7.6K | 12 | 16 |
| 283 | polymerization | 216 | 7.6K | 363 | 314 |
| 284 | pottery | 188 | 7.6K | 32 | 32 |
| 285 | Plant breeding | 204 | 7.6K | 2 | 2 |
| 286 | Parasitic Diseases | 137 | 7.5K | 66 | 37 |
| 287 | Diabetes | 99 | 7.4K | 226 | 181 |
| 288 | breastfeeding | 133 | 7.3K | 2 | 1 |
| 289 | Classification | 14 | 7.3K | 52 | 2 |
| 290 | pheromones | 114 | 7.3K | 9 | 5 |
| 291 | Diabetes mellitus | 100 | 7.3K | 197 | 172 |
| 292 | mycoses | 80 | 7.2K | 14 | 32 |
| 293 | Food Microbiology | 139 | 7.2K | 23 | 30 |
| 294 | Clinical Psychology | 110 | 7.1K | 92 | 90 |
| 295 | nanoscience | 123 | 7.1K | 287 | 275 |
| 296 | Food preferences | 175 | 7.0K | 3 | 6 |
| 297 | Fiber Optics | 105 | 7.0K | 54 | 14 |
| 298 | United Kingdom | 126 | 7.0K | 80 | 59 |
| 299 | Nonlinear Dynamics | 210 | 7.0K | 118 | 114 |
| 300 | Mycology | 246 | 6.9K | 18 | 44 |
| 301 | Molecular structure | 71 | 6.9K | 259 | 99 |
| 302 | Photonics | 141 | 6.9K | 148 | 155 |
| 303 | irrigation | 222 | 6.8K | 2 | 1 |
| 304 | Telecommunication Systems | 49 | 6.8K | 166 | 6 |
| 305 | Histology | 115 | 6.8K | 120 | 75 |
| 306 | Sustainable Development | 72 | 6.8K | 96 | 56 |
| 307 | Environmental Microbiology | 94 | 6.8K | 41 | 52 |
| 308 | Roads | 281 | 6.8K | 15 | 14 |
| 309 | management | 77 | 6.7K | 535 | 361 |
| 310 | Econometrics | 94 | 6.7K | 95 | 76 |
| 311 | Adolescent | 281 | 6.7K | 49 | 77 |
| 312 | Renewable Energy Sources | 63 | 6.7K | 334 | 242 |
| 313 | Genes | 172 | 6.6K | 11 | 12 |
| 314 | Hydraulic Engineering | 212 | 6.6K | 19 | 23 |
| 315 | medical education | 217 | 6.5K | 91 | 79 |
| 316 | Engineering | 217 | 6.5K | 204 | 147 |
| 317 | sexual behavior | 98 | 6.4K | 17 | 10 |
| 318 | drug development | 136 | 6.4K | 22 | 60 |
| 319 | economic policy | 169 | 6.4K | 57 | 38 |
| 320 | Sports Medicine | 203 | 6.4K | 105 | 134 |
| 321 | Animal breeding | 131 | 6.4K | 22 | 7 |
| 322 | Plant Genetics | 84 | 6.4K | 26 | 26 |
| 323 | Neuroimmunology | 79 | 6.3K | 18 | 18 |
| 324 | Psychoneuroimmunology | 78 | 6.3K | 13 | 16 |
| 325 | Bacterial infections | 45 | 6.3K | 64 | 42 |
| 325 | commerce | 63 | 6.3K | 85 | 87 |
| 327 | biological invasions | 93 | 6.3K | 5 | 2 |
| 328 | Medical innovations | 136 | 6.2K | 20 | 69 |
| 329 | Education | 264 | 6.2K | 196 | 203 |
| 329 | Medical Anthropology | 99 | 6.2K | 90 | 85 |
| 331 | fertility | 110 | 6.2K | 54 | 48 |
| 332 | drug therapy | 171 | 6.1K | 141 | 139 |
| 333 | DNA polymerases | 47 | 6.1K | 30 | 39 |
| 334 | Schizophrenia | 143 | 6.1K | 47 | 63 |
| 335 | Systems Biology | 146 | 6.0K | 22 | 17 |
| 336 | Molecular Microbiology | 99 | 6.0K | 35 | 62 |
| 337 | pain | 66 | 6.0K | 167 | 110 |
| 338 | rehabilitation | 185 | 6.0K | 88 | 111 |
| 339 | Learning | 137 | 6.0K | 60 | 78 |
| 340 | Soil ecology | 82 | 6.0K | 19 | 11 |
| 341 | Diagnostic Imaging | 172 | 5.9K | 74 | 82 |
| 342 | Biogeochemistry | 92 | 5.9K | 71 | 75 |
| 343 | Natural resources | 117 | 5.9K | 10 | 10 |
| 344 | Health Policy | 141 | 5.8K | 140 | 95 |
| 345 | Biogeography | 86 | 5.7K | 32 | 43 |
| 346 | Mass Spectrometry | 79 | 5.7K | 65 | 14 |
| 347 | Industrial Engineering | 64 | 5.6K | 225 | 56 |
| 348 | Gene expression regulation | 67 | 5.6K | 55 | 67 |
| 349 | Freeze-Drying | 47 | 5.6K | 8 | 1 |
| 349 | Hypothermia | 47 | 5.6K | 8 | 1 |
| 349 | Freeze Drying | 47 | 5.6K | 8 | 1 |
| 352 | Structural Engineering | 189 | 5.6K | 78 | 85 |
| 353 | cloning | 80 | 5.5K | 9 | 14 |
| 354 | Developmental Genetics | 56 | 5.5K | 57 | 70 |
| 355 | Aerosols | 104 | 5.5K | 15 | 7 |
| 356 | Industrial Microbiology | 125 | 5.5K | 57 | 72 |
| 357 | international trade | 46 | 5.5K | 28 | 10 |
| 358 | Harmonic Analysis | 28 | 5.5K | 9 | 3 |
| 359 | Infertility | 88 | 5.5K | 67 | 53 |
| 360 | Microbial Genetics | 80 | 5.5K | 4 | 4 |
| 360 | phytopathogenic bacteria | 80 | 5.5K | 3 | 4 |
| 362 | Parasites | 108 | 5.5K | 56 | 26 |
| 363 | Invertebrates | 147 | 5.4K | 3 | 2 |
| 364 | Combinatorial chemistry | 81 | 5.4K | 31 | 32 |
| 365 | Electrochemistry | 264 | 5.4K | 316 | 370 |
| 366 | diseases | 10 | 5.4K | 99 | 80 |
| 366 | Disease | 10 | 5.4K | 89 | 81 |
| 368 | Spine | 134 | 5.3K | 20 | 37 |
| 369 | Muscles | 105 | 5.3K | 19 | 21 |
| 370 | Archaeology | 141 | 5.2K | 61 | 49 |
| 371 | environmental exposure | 148 | 5.2K | 37 | 33 |
| 372 | Psycholinguistics | 156 | 5.2K | 24 | 62 |
| 373 | Immune system | 23 | 5.2K | 247 | 153 |
| 374 | energy conservation | 56 | 5.2K | 264 | 179 |
| 375 | Therapeutics | 130 | 5.1K | 106 | 122 |
| 376 | System analysis | 104 | 5.1K | 163 | 74 |
| 377 | Animal genetics | 162 | 5.1K | 13 | 10 |
| 378 | Cell metabolism | 21 | 5.1K | 126 | 82 |
| 379 | Homeostasis | 16 | 5.0K | 113 | 82 |
| 380 | Earthquake Engineering | 129 | 5.0K | 104 | 97 |
| 381 | Telemedicine | 91 | 5.0K | 1 | 1 |
| 382 | Hippocampus | 50 | 5.0K | 10 | 8 |
| 383 | sustainability | 42 | 5.0K | 58 | 28 |
| 384 | Artificial Intelligence | 121 | 5.0K | 342 | 325 |
| 385 | Dietetics | 98 | 5.0K | 34 | 8 |
| 386 | Control Theory | 97 | 4.9K | 169 | 80 |
| 387 | Thrombosis | 93 | 4.9K | 82 | 74 |
| 388 | Human evolution | 67 | 4.9K | 35 | 26 |
| 389 | Neuromuscular diseases | 100 | 4.9K | 17 | 13 |
| 390 | Proteomics | 71 | 4.9K | 46 | 30 |
| 391 | Sleep | 94 | 4.9K | 115 | 86 |
| 392 | Gerontology | 265 | 4.9K | 68 | 81 |
| 393 | Australia | 127 | 4.8K | 77 | 54 |
| 394 | Sleep Disorders | 89 | 4.8K | 126 | 82 |
| 395 | Health promotion | 124 | 4.8K | 62 | 68 |
| 396 | Neuropsychiatry | 85 | 4.8K | 31 | 21 |
| 397 | Horticulture | 120 | 4.8K | 14 | 5 |
| 398 | preventive medicine | 99 | 4.7K | 78 | 85 |
| 399 | Transgenic plants | 92 | 4.7K | 5 | 3 |
| 400 | Genetic therapy | 108 | 4.7K | 51 | 50 |
| 401 | Food Policy | 82 | 4.6K | 5 | 5 |
| 402 | Agricultural Science | 63 | 4.6K | 12 | 7 |
| 403 | disease vectors | 102 | 4.6K | 21 | 14 |
| 404 | Vision | 119 | 4.6K | 27 | 52 |
| 405 | Biometrics | 128 | 4.6K | 49 | 62 |
| 406 | Comparative Physiology | 95 | 4.6K | 32 | 23 |
| 407 | Health insurance | 64 | 4.5K | 36 | 28 |
| 408 | Development | 64 | 4.5K | 42 | 30 |
| 409 | Recombinant DNA | 100 | 4.5K | 42 | 27 |
| 410 | Ornithology | 146 | 4.5K | 23 | 21 |
| 411 | Porous materials | 35 | 4.5K | 60 | 3 |
| 411 | Light | 62 | 4.5K | 64 | 114 |
| 413 | mammals | 152 | 4.5K | 10 | 12 |
| 414 | city planning | 78 | 4.5K | 135 | 79 |
| 415 | Health Education | 160 | 4.4K | 98 | 104 |
| 416 | brain mapping | 83 | 4.4K | 25 | 35 |
| 417 | Social problems | 42 | 4.4K | 55 | 19 |
| 418 | Phylogeny | 72 | 4.4K | 35 | 33 |
| 419 | Obesity | 100 | 4.3K | 198 | 195 |
| 420 | Molecular cloning | 93 | 4.3K | 35 | 31 |
| 421 | Genetic recombination | 92 | 4.2K | 33 | 30 |
| 422 | Quantum electronics | 119 | 4.2K | 110 | 70 |
| 423 | Bones | 84 | 4.2K | 28 | 40 |
| 424 | Contraception | 133 | 4.2K | 12 | 14 |
| 425 | Speech | 136 | 4.2K | 41 | 45 |
| 426 | Restoration Ecology | 82 | 4.2K | 4 | 4 |
| 427 | drainage | 179 | 4.1K | 4 | 2 |
| 428 | California | 150 | 4.1K | 5 | 7 |
| 429 | Veterinary Immunology | 143 | 4.1K | 4 | 6 |
| 430 | Welfare Economics | 45 | 4.1K | 23 | 12 |
| 431 | Immunotherapy | 46 | 4.1K | 298 | 218 |
| 432 | psychotherapy | 44 | 4.0K | 255 | 146 |
| 433 | Fluid Mechanics | 125 | 4.0K | 69 | 86 |
| 434 | Combustion | 86 | 4.0K | 118 | 94 |
| 435 | vascular diseases | 74 | 4.0K | 56 | 71 |
| 436 | Emotions | 37 | 4.0K | 81 | 33 |
| 437 | Physical Therapy | 101 | 4.0K | 94 | 102 |
| 438 | viral genetics | 31 | 4.0K | 60 | 68 |
| 439 | Ultrasonics | 55 | 4.0K | 104 | 40 |
| 440 | Geomorphology | 77 | 4.0K | 109 | 90 |
| 441 | Forest Ecology | 88 | 3.8K | 74 | 65 |
| 442 | Adolescent Medicine | 67 | 3.8K | 48 | 56 |
| 443 | Radiography | 103 | 3.8K | 41 | 89 |
| 444 | Optical materials | 77 | 3.8K | 389 | 350 |
| 445 | Sound | 70 | 3.8K | 75 | 41 |
| 446 | Chronic diseases | 29 | 3.8K | 146 | 104 |
| 447 | Public Policy | 91 | 3.8K | 123 | 94 |
| 448 | Vaccines | 99 | 3.8K | 128 | 106 |
| 449 | Forest Management | 82 | 3.7K | 79 | 63 |
| 450 | Ethnology | 98 | 3.7K | 75 | 25 |
| 451 | Computational Chemistry | 14 | 3.7K | 214 | 62 |
| 452 | Educational Psychology | 112 | 3.7K | 109 | 134 |
| 452 | water resources | 111 | 3.7K | 3 | 4 |
| 454 | Ecosystem management | 49 | 3.6K | 42 | 29 |
| 455 | Adolescent Psychology | 76 | 3.6K | 46 | 42 |
| 456 | Morphology | 71 | 3.5K | 41 | 15 |
| 457 | Chemotherapy | 89 | 3.5K | 90 | 55 |
| 458 | Allergy | 45 | 3.5K | 194 | 224 |
| 459 | Speech Disorders | 109 | 3.5K | 82 | 78 |
| 460 | Quality Control | 108 | 3.5K | 46 | 47 |
| 461 | adolescence | 93 | 3.5K | 50 | 70 |
| 462 | Optical Communications | 113 | 3.5K | 20 | 13 |
| 463 | Bone diseases | 17 | 3.5K | 99 | 29 |
| 464 | Engineering Mathematics | 70 | 3.5K | 184 | 70 |
| 465 | plant viruses | 94 | 3.4K | 4 | 5 |
| 466 | Nanostructures | 39 | 3.4K | 331 | 202 |
| 467 | Operations Research | 75 | 3.4K | 302 | 203 |
| 468 | Building Materials | 80 | 3.4K | 192 | 219 |
| 469 | Transplantation | 93 | 3.3K | 105 | 138 |
| 470 | Sustainable agriculture | 56 | 3.3K | 26 | 17 |
| 471 | Composite Materials | 94 | 3.3K | 359 | 428 |
| 472 | animals | 115 | 3.3K | 37 | 30 |
| 473 | China | 124 | 3.3K | 212 | 158 |
| 474 | Microwaves | 116 | 3.3K | 107 | 90 |
| 475 | Food additives | 73 | 3.2K | 54 | 79 |
| 476 | Textile industry | 108 | 3.2K | 18 | 4 |
| 477 | Information Technology | 31 | 3.2K | 503 | 186 |
| 478 | Hormones | 72 | 3.2K | 107 | 98 |
| 479 | Economic Assistance | 43 | 3.2K | 54 | 37 |
| 480 | Organometallic compounds | 66 | 3.2K | 116 | 68 |
| 481 | Green Chemistry | 63 | 3.2K | 225 | 244 |
| 482 | Experimental Psychology | 51 | 3.2K | 50 | 53 |
| 483 | Relationships | 25 | 3.2K | 6 | 3 |
| 484 | Political Sociology | 69 | 3.2K | 13 | 17 |
| 485 | Audiology | 94 | 3.2K | 48 | 57 |
| 486 | child behavior | 47 | 3.2K | 19 | 11 |
| 486 | Ultrasound | 47 | 3.2K | 76 | 25 |
| 488 | Taste | 91 | 3.2K | 2 | 2 |
| 488 | smell | 91 | 3.2K | 2 | 2 |
| 490 | Immunopathology | 82 | 3.2K | 105 | 107 |
| 490 | child abuse | 64 | 3.2K | 71 | 69 |
| 492 | Sociobiology | 47 | 3.2K | 9 | 8 |
| 493 | Landscape Ecology | 50 | 3.2K | 14 | 18 |
| 494 | Andrology | 64 | 3.1K | 19 | 8 |
| 495 | older people | 207 | 3.1K | 66 | 73 |
| 496 | Soil Mechanics | 104 | 3.1K | 79 | 106 |
| 496 | Solid State Chemistry | 112 | 3.1K | 229 | 193 |
| 498 | mass transfer | 61 | 3.1K | 219 | 158 |
| 499 | enzymes | 118 | 3.1K | 51 | 94 |
| 500 | Bacteria | 69 | 3.1K | 7 | 16 |
| 501 | Medical Technology | 52 | 3.1K | 130 | 51 |
| 501 | Energy Conversion | 27 | 3.1K | 326 | 259 |
| 503 | Chromosomes | 76 | 3.0K | 41 | 48 |
| 504 | Cell death | 45 | 3.0K | 172 | 201 |
| 505 | Measurement | 70 | 2.9K | 77 | 36 |
| 506 | Numerical Analysis | 95 | 2.9K | 188 | 113 |
| 507 | Data Mining | 31 | 2.9K | 108 | 60 |
| 508 | energy development | 28 | 2.9K | 89 | 100 |
| 509 | Androgens | 55 | 2.9K | 4 | 3 |
| 510 | Signal Transduction | 67 | 2.9K | 103 | 183 |
| 511 | Ferroelectricity | 44 | 2.9K | 149 | 27 |
| 512 | Cybernetics | 49 | 2.9K | 243 | 201 |
| 513 | Political Psychology | 43 | 2.9K | 14 | 17 |
| 514 | Intellectual disability | 71 | 2.9K | 62 | 51 |
| 515 | freshwater biology | 43 | 2.9K | 85 | 43 |
| 516 | Radio frequency | 42 | 2.9K | 42 | 20 |
| 517 | Pesticides | 102 | 2.9K | 9 | 7 |
| 518 | global environmental change | 45 | 2.8K | 62 | 76 |
| 519 | Transport | 28 | 2.8K | 86 | 24 |
| 520 | Environmental Law | 53 | 2.8K | 103 | 149 |
| 521 | Women's health | 78 | 2.8K | 78 | 52 |
| 522 | Oxidation-reduction | 42 | 2.8K | 66 | 92 |
| 523 | Transportation Engineering | 41 | 2.8K | 35 | 11 |
| 524 | Soil dynamics | 61 | 2.8K | 24 | 18 |
| 525 | Animal welfare | 52 | 2.8K | 6 | 2 |
| 526 | infection | 47 | 2.8K | 266 | 182 |
| 527 | Microcirculation | 50 | 2.8K | 11 | 7 |
| 527 | Plant tissue culture | 55 | 2.8K | 32 | 11 |
| 529 | Plant cell culture | 54 | 2.8K | 21 | 11 |
| 530 | Dynamics | 93 | 2.7K | 63 | 47 |
| 530 | Fungi | 68 | 2.7K | 88 | 113 |
| 532 | probabilities | 121 | 2.7K | 68 | 44 |
| 533 | natural products | 47 | 2.7K | 253 | 120 |
| 534 | peace | 37 | 2.7K | 62 | 32 |
| 535 | gene therapy | 74 | 2.7K | 70 | 118 |
| 536 | actuators | 63 | 2.7K | 291 | 254 |
| 536 | transducers | 63 | 2.7K | 291 | 254 |
| 538 | Animal Nutrition | 77 | 2.7K | 38 | 17 |
| 538 | violence | 50 | 2.7K | 115 | 68 |
| 540 | Fishery management | 78 | 2.7K | 54 | 36 |
| 541 | Pharmacogenetics | 61 | 2.7K | 59 | 61 |
| 542 | Otolaryngology | 86 | 2.7K | 38 | 34 |
| 542 | Hydrodynamics | 48 | 2.7K | 45 | 32 |
| 544 | Philosophy | 136 | 2.7K | 140 | 78 |
| 545 | Sports | 76 | 2.6K | 296 | 266 |
| 546 | Mineralogy | 63 | 2.6K | 236 | 201 |
| 547 | marketing | 36 | 2.6K | 467 | 338 |
| 548 | eugenics | 131 | 2.5K | 2 | 11 |
| 549 | Regional Planning | 61 | 2.5K | 178 | 131 |
| 550 | Research Design | 79 | 2.5K | 84 | 152 |
| 551 | Personality Assessment | 32 | 2.5K | 88 | 54 |
| 551 | Agricultural systems | 39 | 2.5K | 24 | 11 |
| 553 | glycoproteins | 37 | 2.5K | 34 | 22 |
| 553 | Glycoconjugates | 37 | 2.5K | 34 | 22 |
| 553 | glycolipids | 37 | 2.5K | 34 | 22 |
| 556 | Carbohydrates | 33 | 2.5K | 28 | 19 |
| 557 | counseling | 63 | 2.5K | 179 | 130 |
| 558 | Marine Pollution | 49 | 2.5K | 115 | 89 |
| 559 | Primary health care | 90 | 2.5K | 141 | 136 |
| 560 | lasers | 82 | 2.5K | 239 | 177 |
| 561 | Zoonoses | 64 | 2.5K | 1 | 3 |
| 562 | Neurotoxicology | 48 | 2.5K | 14 | 7 |
| 563 | Teratology | 73 | 2.5K | 8 | 16 |
| 564 | Radiology | 126 | 2.4K | 59 | 62 |
| 565 | Paleoecology | 63 | 2.4K | 100 | 106 |
| 566 | Plant Morphology | 33 | 2.4K | 53 | 5 |
| 567 | Solar Energy | 48 | 2.4K | 185 | 141 |
| 568 | feeding behavior | 50 | 2.4K | 62 | 45 |
| 569 | atmospheric models | 68 | 2.4K | 64 | 104 |
| 570 | Magnetic Materials | 24 | 2.4K | 457 | 141 |
| 571 | food handling | 49 | 2.4K | 52 | 34 |
| 572 | Appetite | 48 | 2.4K | 41 | 39 |
| 573 | Antioxidants | 35 | 2.4K | 54 | 73 |
| 574 | Community Psychiatry | 76 | 2.4K | 65 | 97 |
| 575 | Paleoclimatology | 57 | 2.4K | 136 | 137 |
| 576 | Astrocytes | 24 | 2.4K | 62 | 45 |
| 577 | Infections | 30 | 2.4K | 225 | 158 |
| 578 | Paleogeography | 58 | 2.3K | 86 | 101 |
| 579 | Insect biochemistry | 62 | 2.3K | 17 | 28 |
| 580 | Molecules | 66 | 2.3K | 229 | 171 |
| 581 | Psychometrics | 64 | 2.3K | 38 | 65 |
| 582 | animal diseases | 81 | 2.3K | 11 | 16 |
| 583 | occupational diseases | 41 | 2.3K | 84 | 54 |
| 584 | Socialization | 50 | 2.3K | 24 | 29 |
| 585 | Agricultural Engineering | 78 | 2.3K | 9 | 19 |
| 586 | Oxidative stress | 36 | 2.3K | 53 | 77 |
| 587 | Fertilization | 38 | 2.3K | 1 | 2 |
| 587 | gametes | 38 | 2.3K | 1 | 2 |
| 589 | Nuclear Medicine | 68 | 2.3K | 102 | 99 |
| 590 | Nuclear Fusion | 84 | 2.3K | 80 | 70 |
| 590 | nuclear magnetic resonance | 110 | 2.3K | 62 | 99 |
| 592 | Consciousness | 87 | 2.3K | 3 | 8 |
| 593 | Wildlife management | 99 | 2.3K | 27 | 25 |
| 594 | language | 66 | 2.2K | 53 | 78 |
| 595 | biological factors | 45 | 2.2K | 269 | 185 |
| 596 | international cooperation | 33 | 2.2K | 70 | 35 |
| 597 | Sustainable Engineering | 49 | 2.2K | 219 | 224 |
| 598 | Development Economics | 26 | 2.2K | 30 | 14 |
| 598 | carcinogens | 58 | 2.2K | 63 | 86 |
| 600 | Plant Taxonomy | 26 | 2.2K | 64 | 7 |
| 601 | Information Systems | 55 | 2.2K | 84 | 78 |
| 602 | Fish diseases | 57 | 2.2K | 5 | 5 |
| 603 | Inflammation | 50 | 2.2K | 70 | 100 |
| 604 | Software Engineering | 48 | 2.2K | 115 | 102 |
| 605 | Oligosaccharide | 28 | 2.2K | 25 | 20 |
| 606 | Pharmacy | 63 | 2.2K | 288 | 242 |
| 607 | Molecular Pharmacology | 48 | 2.2K | 75 | 88 |
| 608 | Antigens | 53 | 2.2K | 62 | 49 |
| 609 | Bioenergetics | 47 | 2.2K | 92 | 84 |
| 609 | economic conditions | 27 | 2.2K | 87 | 40 |
| 611 | Urban Policy | 30 | 2.2K | 103 | 33 |
| 612 | Photochemistry | 65 | 2.2K | 109 | 128 |
| 613 | Europe | 95 | 2.2K | 365 | 366 |
| 614 | Quality of life | 27 | 2.2K | 287 | 150 |
| 615 | Manufacturing Processes | 98 | 2.2K | 217 | 302 |
| 616 | Economic Thought | 24 | 2.2K | 35 | 35 |
| 617 | Social policy | 18 | 2.2K | 305 | 33 |
| 618 | Linguistics | 117 | 2.1K | 83 | 139 |
| 619 | Ecological Engineering | 17 | 2.1K | 103 | 18 |
| 620 | Aquatic animals | 64 | 2.1K | 5 | 4 |
| 621 | Comparative Psychology | 35 | 2.1K | 5 | 3 |
| 622 | Energy metabolism | 45 | 2.1K | 79 | 76 |
| 623 | food contamination | 85 | 2.1K | 16 | 18 |
| 624 | Climate | 51 | 2.1K | 16 | 39 |
| 625 | Magnetic Resonance Spectroscopy | 86 | 2.1K | 91 | 120 |
| 626 | health services | 89 | 2.1K | 71 | 90 |
| 627 | Intelligent Transportation Systems | 26 | 2.1K | 241 | 134 |
| 628 | Biomolecules | 5 | 2.1K | 294 | 28 |
| 629 | Menopause | 51 | 2.1K | 14 | 9 |
| 630 | alcoholism | 70 | 2.1K | 193 | 218 |
| 631 | histological techniques | 43 | 2.1K | 48 | 56 |
| 632 | brewing | 114 | 2.1K | 2 | 5 |
| 633 | Rheology | 58 | 2.1K | 46 | 44 |
| 634 | Waste management | 79 | 2.1K | 50 | 54 |
| 635 | Forest genetics | 50 | 2.1K | 3 | 1 |
| 636 | motivation | 12 | 2.1K | 114 | 18 |
| 636 | Teaching | 76 | 2.1K | 172 | 181 |
| 638 | hydrocolloids | 31 | 2.1K | 113 | 115 |
| 639 | Microeconomics | 23 | 2.1K | 57 | 27 |
| 640 | Immunogenetics | 52 | 2.1K | 39 | 37 |
| 641 | cell membrane | 46 | 2.1K | 72 | 74 |
| 642 | Sites | 42 | 2.1K | 57 | 57 |
| 643 | Sedimentology | 28 | 2.1K | 70 | 41 |
| 644 | Image Processing | 77 | 2.0K | 266 | 398 |
| 645 | Health Services Research | 63 | 2.0K | 202 | 197 |
| 646 | urban forestry | 36 | 2.0K | 5 | 3 |
| 647 | Structure-activity relationship | 4 | 2.0K | 175 | 21 |
| 648 | Paleontology | 84 | 2.0K | 132 | 128 |
| 649 | Orthopedic Surgery | 42 | 2.0K | 90 | 42 |
| 650 | Labor Economics | 16 | 2.0K | 115 | 29 |
| 650 | transgenic organisms | 51 | 2.0K | 2 | 4 |
| 652 | Patient education | 35 | 2.0K | 80 | 60 |
| 653 | Electrochemical Analysis | 56 | 2.0K | 187 | 153 |
| 654 | Biomass | 30 | 2.0K | 45 | 38 |
| 655 | Water Purification | 63 | 1.9K | 58 | 45 |
| 656 | Fracture mechanics | 37 | 1.9K | 305 | 151 |
| 657 | Drug delivery systems | 26 | 1.9K | 369 | 228 |
| 658 | War and Society | 22 | 1.9K | 38 | 23 |
| 658 | warfare | 22 | 1.9K | 56 | 28 |
| 660 | gastrointestinal tract | 25 | 1.9K | 21 | 19 |
| 661 | Pharmacognosy | 50 | 1.9K | 268 | 275 |
| 661 | North America | 97 | 1.9K | 36 | 35 |
| 663 | Family | 57 | 1.9K | 121 | 105 |
| 663 | data collection | 4 | 1.9K | 150 | 29 |
| 665 | Emotion | 6 | 1.9K | 119 | 17 |
| 666 | Nuclear Engineering | 96 | 1.9K | 155 | 102 |
| 667 | labor | 16 | 1.9K | 52 | 23 |
| 668 | Petrology | 44 | 1.9K | 223 | 227 |
| 669 | embryonic development | 55 | 1.9K | 9 | 17 |
| 670 | Government policy | 23 | 1.9K | 15 | 9 |
| 671 | Psychosomatic Medicine | 55 | 1.9K | 66 | 105 |
| 672 | Statistical Mechanics | 59 | 1.9K | 61 | 63 |
| 673 | Groundwater | 64 | 1.9K | 31 | 43 |
| 674 | psychophysics | 47 | 1.9K | 9 | 6 |
| 675 | Post-traumatic stress disorder | 14 | 1.9K | 284 | 93 |
| 676 | Tropical Medicine | 58 | 1.9K | 170 | 133 |
| 677 | mutagens | 39 | 1.8K | 93 | 106 |
| 678 | Semiconductors | 58 | 1.8K | 299 | 156 |
| 679 | Carcinogenesis | 39 | 1.8K | 117 | 113 |
| 680 | Geobiology | 53 | 1.8K | 15 | 19 |
| 681 | families | 50 | 1.8K | 90 | 66 |
| 682 | Demography | 38 | 1.8K | 85 | 70 |
| 683 | Reproductive toxicology | 59 | 1.8K | 4 | 20 |
| 683 | working class | 9 | 1.8K | 58 | 23 |
| 685 | Developmental Immunology | 23 | 1.8K | 88 | 33 |
| 686 | Health Services Administration | 32 | 1.8K | 153 | 86 |
| 687 | transgenic animals | 49 | 1.8K | 2 | 4 |
| 688 | fuel cells | 15 | 1.8K | 517 | 294 |
| 689 | Biosensors | 39 | 1.8K | 188 | 254 |
| 690 | drugs | 34 | 1.8K | 427 | 260 |
| 691 | Mobile Computing | 56 | 1.8K | 104 | 107 |
| 692 | Radiation | 76 | 1.8K | 205 | 211 |
| 693 | Aquatic ecology | 75 | 1.7K | 23 | 46 |
| 694 | Kidney diseases | 42 | 1.7K | 119 | 104 |
| 695 | Ocean Engineering | 54 | 1.7K | 315 | 308 |
| 696 | International Finance | 33 | 1.7K | 363 | 191 |
| 696 | Africa | 52 | 1.7K | 147 | 61 |
| 698 | Neurolinguistics | 44 | 1.7K | 25 | 45 |
| 699 | Ecological Genetics | 91 | 1.7K | 3 | 8 |
| 700 | internet | 42 | 1.7K | 222 | 228 |
| 701 | Parenteral nutrition | 46 | 1.7K | 119 | 187 |
| 702 | Cosmochemistry | 43 | 1.7K | 94 | 106 |
| 703 | International Relations | 53 | 1.7K | 147 | 108 |
| 703 | Thorax | 44 | 1.7K | 61 | 63 |
| 705 | concrete | 25 | 1.7K | 235 | 222 |
| 706 | Hematopoietic stem cell transplantation | 33 | 1.7K | 15 | 14 |
| 707 | Blood vessels | 23 | 1.7K | 30 | 11 |
| 708 | Electromagnetism | 9 | 1.6K | 569 | 115 |
| 709 | Food Safety | 31 | 1.6K | 2 | 1 |
| 710 | food industry | 39 | 1.6K | 41 | 11 |
| 711 | role | 27 | 1.6K | 45 | 33 |
| 711 | weather | 37 | 1.6K | 16 | 25 |
| 713 | Magnetohydrodynamics | 52 | 1.6K | 35 | 41 |
| 714 | Electrical Engineering | 257 | 1.6K | 137 | 381 |
| 715 | Viticulture | 25 | 1.6K | 5 | 3 |
| 716 | calcification | 29 | 1.6K | 67 | 56 |
| 717 | Clinical Immunology | 62 | 1.6K | 113 | 157 |
| 718 | Internet of Things | 34 | 1.6K | 203 | 180 |
| 719 | Travel | 49 | 1.6K | 61 | 59 |
| 720 | prostaglandins | 49 | 1.6K | 13 | 17 |
| 721 | civil rights | 11 | 1.6K | 125 | 1 |
| 722 | heredity | 59 | 1.6K | 30 | 37 |
| 723 | Nephrology | 36 | 1.6K | 85 | 90 |
| 724 | Multivariate Analysis | 54 | 1.6K | 18 | 36 |
| 724 | Marine resources | 28 | 1.6K | 79 | 27 |
| 726 | Human Geography | 50 | 1.6K | 160 | 161 |
| 727 | bioclimatology | 39 | 1.6K | 52 | 45 |
| 728 | Performance | 27 | 1.6K | 34 | 21 |
| 729 | Youth | 43 | 1.6K | 73 | 96 |
| 730 | Criminal psychology | 37 | 1.5K | 148 | 112 |
| 731 | complementary therapies | 33 | 1.5K | 226 | 116 |
| 732 | Radiation effects | 52 | 1.5K | 11 | 36 |
| 733 | drug addiction | 49 | 1.5K | 187 | 219 |
| 734 | Mental Health Services | 74 | 1.5K | 104 | 146 |
| 735 | Production Engineering | 82 | 1.5K | 197 | 233 |
| 736 | Soil fertility | 24 | 1.5K | 37 | 38 |
| 737 | Computer-Aided Design | 47 | 1.5K | 141 | 142 |
| 738 | environmental indicators | 24 | 1.5K | 198 | 106 |
| 738 | Political Participation | 31 | 1.5K | 29 | 15 |
| 740 | Criminology | 37 | 1.5K | 198 | 139 |
| 741 | Functional Genomics | 35 | 1.5K | 14 | 20 |
| 742 | Asia | 66 | 1.5K | 240 | 204 |
| 743 | Mental Health | 75 | 1.5K | 150 | 203 |
| 744 | sex crimes | 21 | 1.5K | 148 | 56 |
| 745 | School Psychology | 32 | 1.5K | 87 | 65 |
| 746 | Physical organic chemistry | 46 | 1.5K | 168 | 130 |
| 747 | Architectural Design | 7 | 1.5K | 248 | 14 |
| 748 | mutation | 39 | 1.5K | 44 | 64 |
| 749 | Social interaction | 22 | 1.5K | 46 | 20 |
| 750 | foods | 32 | 1.4K | 4 | 1 |
| 751 | Photography | 315 | 1.4K | 84 | 66 |
| 751 | Biogeochemical cycles | 21 | 1.4K | 93 | 130 |
| 753 | Chemical analysis | 20 | 1.4K | 280 | 85 |
| 754 | epilepsy | 43 | 1.4K | 102 | 92 |
| 755 | Food Preservation | 69 | 1.4K | 22 | 24 |
| 755 | Food texture | 39 | 1.4K | 4 | 6 |
| 757 | Animal Biotechnology | 32 | 1.4K | 9 | 4 |
| 758 | Scandinavia | 35 | 1.4K | 70 | 60 |
| 759 | Bioinorganic chemistry | 63 | 1.4K | 160 | 204 |
| 760 | Community Psychology | 36 | 1.4K | 67 | 98 |
| 761 | cytokines | 20 | 1.4K | 286 | 162 |
| 762 | soil management | 26 | 1.4K | 84 | 67 |
| 763 | Social Networks | 20 | 1.4K | 35 | 38 |
| 764 | Cerebellum | 21 | 1.4K | 37 | 23 |
| 765 | Radioisotopes | 60 | 1.4K | 78 | 45 |
| 766 | Alternative Medicine | 30 | 1.4K | 232 | 135 |
| 767 | Ethnoarchaeology | 18 | 1.4K | 17 | 6 |
| 768 | Cerebellar ataxia | 20 | 1.4K | 41 | 24 |
| 769 | Carbon | 29 | 1.4K | 272 | 342 |
| 769 | Digestive system diseases | 51 | 1.4K | 112 | 117 |
| 771 | bees | 66 | 1.4K | 11 | 33 |
| 772 | livestock | 75 | 1.4K | 26 | 29 |
| 773 | Vocational guidance | 29 | 1.4K | 231 | 207 |
| 774 | Solar System | 35 | 1.4K | 189 | 182 |
| 775 | Cellulose | 28 | 1.4K | 67 | 71 |
| 776 | General Surgery | 57 | 1.4K | 89 | 69 |
| 777 | DNA methylation | 24 | 1.4K | 16 | 20 |
| 778 | Fermentation | 56 | 1.4K | 12 | 14 |
| 779 | Anxiety Disorders | 22 | 1.4K | 125 | 134 |
| 779 | Anxiety | 22 | 1.4K | 124 | 133 |
| 781 | Geodynamics | 35 | 1.3K | 192 | 222 |
| 782 | Bioelectronics | 27 | 1.3K | 218 | 286 |
| 783 | Recycling | 23 | 1.3K | 90 | 124 |
| 784 | Marine Ecology | 72 | 1.3K | 27 | 55 |
| 785 | Sexual health | 29 | 1.3K | 113 | 82 |
| 785 | tillage | 22 | 1.3K | 71 | 61 |
| 787 | Hydrogeology | 38 | 1.3K | 53 | 48 |
| 788 | Special Education | 35 | 1.3K | 131 | 93 |
| 789 | Computer Vision | 25 | 1.3K | 282 | 282 |
| 790 | Rock Mechanics | 50 | 1.3K | 128 | 189 |
| 791 | Substance Abuse | 49 | 1.3K | 234 | 244 |
| 792 | planning | 23 | 1.3K | 112 | 36 |
| 793 | Epigenetics | 38 | 1.3K | 1 | 2 |
| 794 | Nanoparticles | 31 | 1.3K | 438 | 403 |
| 795 | geological modeling | 35 | 1.3K | 39 | 67 |
| 796 | psychopathology | 32 | 1.3K | 38 | 81 |
| 797 | Clinical Trials | 28 | 1.3K | 86 | 59 |
| 798 | Epigenomics | 37 | 1.3K | 1 | 2 |
| 799 | Environmental Economics | 27 | 1.3K | 25 | 37 |
| 800 | Stochastic Processes | 54 | 1.3K | 29 | 36 |
| 801 | Sexuality | 10 | 1.3K | 94 | 12 |
| 802 | Electrophysiology | 58 | 1.2K | 101 | 116 |
| 803 | population geography | 34 | 1.2K | 23 | 23 |
| 804 | Detectors | 32 | 1.2K | 287 | 181 |
| 805 | Minerals | 28 | 1.2K | 75 | 51 |
| 806 | Thermodynamics | 42 | 1.2K | 141 | 72 |
| 807 | immigration | 30 | 1.2K | 6 | 23 |
| 807 | migration policy | 30 | 1.2K | 8 | 23 |
| 807 | Asylum seeker | 30 | 1.2K | 6 | 23 |
| 810 | Radio waves | 19 | 1.2K | 317 | 212 |
| 811 | Thermochemistry | 37 | 1.2K | 61 | 44 |
| 812 | Developmental Neurobiology | 34 | 1.2K | 29 | 27 |
| 813 | Hemodynamics | 19 | 1.2K | 231 | 234 |
| 814 | Globalization | 18 | 1.2K | 112 | 41 |
| 815 | Communication in medicine | 34 | 1.2K | 77 | 72 |
| 815 | mental processes | 86 | 1.2K | 5 | 24 |
| 817 | Psychiatric hospitals | 42 | 1.2K | 42 | 40 |
| 818 | Geochemical Modeling | 31 | 1.2K | 38 | 69 |
| 819 | Neuroimaging | 75 | 1.2K | 6 | 18 |
| 820 | Geometry | 89 | 1.2K | 70 | 68 |
| 821 | Surface properties | 28 | 1.2K | 172 | 168 |
| 822 | Coastal zone management | 24 | 1.2K | 91 | 41 |
| 823 | Hearing | 51 | 1.2K | 95 | 104 |
| 824 | Business | 46 | 1.2K | 419 | 739 |
| 825 | Toxins | 33 | 1.2K | 86 | 72 |
| 826 | Algae | 36 | 1.2K | 126 | 136 |
| 827 | Biotelemetry | 14 | 1.2K | 6 | 1 |
| 828 | Mechanical Engineering | 56 | 1.2K | 428 | 356 |
| 828 | Structuralism | 12 | 1.2K | 39 | 36 |
| 830 | school psychologists | 19 | 1.2K | 41 | 40 |
| 831 | Serology | 29 | 1.2K | 31 | 23 |
| 831 | Liposomes | 44 | 1.2K | 20 | 98 |
| 833 | aerosol | 29 | 1.2K | 47 | 38 |
| 834 | nuclear magnetic resonance spectroscopy | 51 | 1.2K | 49 | 78 |
| 835 | Clinical Pharmacology | 28 | 1.2K | 290 | 206 |
| 836 | Hemostasis | 27 | 1.2K | 138 | 75 |
| 837 | Protozoa | 19 | 1.1K | 62 | 70 |
| 838 | Memory disorders | 21 | 1.1K | 22 | 19 |
| 839 | Antibodies | 31 | 1.1K | 70 | 72 |
| 839 | Culture techniques | 21 | 1.1K | 48 | 22 |
| 841 | Cytokine | 11 | 1.1K | 100 | 55 |
| 842 | Lipid bilayers | 41 | 1.1K | 18 | 93 |
| 842 | rivers | 34 | 1.1K | 6 | 14 |
| 844 | Atomic spectroscopy | 24 | 1.1K | 320 | 162 |
| 845 | Logistics | 9 | 1.1K | 233 | 82 |
| 845 | Growth factors | 8 | 1.1K | 87 | 46 |
| 847 | blood transfusion | 46 | 1.1K | 81 | 83 |
| 848 | Biochemical Genetics | 31 | 1.1K | 14 | 7 |
| 849 | cardiac catheterization | 59 | 1.1K | 63 | 70 |
| 850 | crime | 22 | 1.1K | 182 | 114 |
| 851 | Birth control | 15 | 1.1K | 116 | 51 |
| 852 | Child welfare | 39 | 1.1K | 190 | 146 |
| 853 | Quantum Optics | 22 | 1.1K | 248 | 103 |
| 853 | Laser Spectroscopy | 22 | 1.1K | 197 | 87 |
| 855 | Symbolic interactionism | 14 | 1.1K | 10 | 1 |
| 856 | Mathematical Economics | 14 | 1.1K | 95 | 91 |
| 857 | Human-Computer Interaction | 56 | 1.1K | 97 | 237 |
| 857 | Hazardous waste | 28 | 1.1K | 106 | 196 |
| 859 | Robotics | 45 | 1.1K | 302 | 355 |
| 860 | Ore deposits | 2 | 1.1K | 621 | 96 |
| 861 | Mechanics | 23 | 1.1K | 332 | 161 |
| 862 | Geriatric Psychiatry | 40 | 1.1K | 104 | 138 |
| 863 | mathematical analysis | 104 | 1.1K | 262 | 394 |
| 864 | Fish | 39 | 1.1K | 9 | 8 |
| 865 | Surface-Active Agents | 23 | 1.1K | 199 | 173 |
| 866 | Molecular Imaging | 32 | 1.1K | 119 | 155 |
| 867 | behavior therapy | 24 | 1.1K | 243 | 206 |
| 867 | Self | 8 | 1.1K | 64 | 7 |
| 869 | Cement | 12 | 1.1K | 232 | 192 |
| 870 | Seaweed | 32 | 1.1K | 89 | 106 |
| 871 | Asthma | 32 | 1.1K | 55 | 53 |
| 871 | Tourism | 24 | 1.1K | 425 | 472 |
| 873 | Mass Media | 24 | 1.1K | 143 | 33 |
| 874 | Phytotherapy | 25 | 1.1K | 46 | 41 |
| 875 | Reproductive health | 11 | 1.0K | 297 | 97 |
| 875 | Informatics | 29 | 1.0K | 105 | 127 |
| 877 | Synthetic biology | 34 | 1.0K | 29 | 36 |
| 878 | Animal husbandry | 31 | 1.0K | 18 | 20 |
| 879 | Identity | 7 | 1.0K | 43 | 7 |
| 880 | Public Administration | 29 | 1.0K | 339 | 259 |
| 881 | Electrophoresis | 29 | 1.0K | 366 | 285 |
| 882 | chromatin | 14 | 1.0K | 10 | 8 |
| 883 | Coral reef biology | 17 | 1.0K | 79 | 58 |
| 884 | Fire ecology | 23 | 1.0K | 7 | 7 |
| 885 | Drug design | 40 | 1.0K | 178 | 295 |
| 886 | agricultural policy | 27 | 1.0K | 23 | 35 |
| 887 | Fertilizers | 26 | 1.0K | 52 | 41 |
| 888 | Neural circuitry | 20 | 1.0K | 662 | 484 |
| 889 | Language Disorders | 55 | 1.0K | 113 | 159 |
| 890 | cross-cultural comparison | 15 | 1.0K | 107 | 29 |
| 891 | Yeast | 24 | 1.0K | 45 | 61 |
| 892 | Depression | 10 | 998 | 124 | 107 |
| 892 | RNA | 15 | 998 | 154 | 107 |
| 894 | Drying | 28 | 991 | 38 | 35 |
| 895 | Planetary Science | 35 | 986 | 79 | 65 |
| 896 | vitamins | 8 | 979 | 29 | 3 |
| 897 | urban health | 26 | 978 | 35 | 40 |
| 898 | Chromatographic analysis | 50 | 977 | 250 | 283 |
| 898 | Exercise | 28 | 977 | 354 | 271 |
| 900 | Veterinary Epidemiology | 20 | 975 | 1 | 2 |
| 901 | health planning | 42 | 972 | 366 | 356 |
| 902 | Fluid Dynamics | 39 | 970 | 193 | 221 |
| 903 | Computational Mathematics | 10 | 969 | 25 | 8 |
| 903 | venom | 32 | 969 | 75 | 87 |
| 905 | Social Change | 21 | 967 | 214 | 281 |
| 906 | Telecommunications | 16 | 964 | 166 | 35 |
| 907 | DNA repair | 24 | 962 | 33 | 41 |
| 907 | Cheminformatics | 10 | 962 | 70 | 83 |
| 909 | Latin America | 48 | 952 | 192 | 69 |
| 910 | Quantitative Research | 16 | 947 | 64 | 46 |
| 911 | health behavior | 44 | 946 | 143 | 199 |
| 912 | analysis | 17 | 945 | 105 | 81 |
| 913 | scientific societies | 29 | 937 | 106 | 113 |
| 914 | Functional foods | 23 | 934 | 29 | 22 |
| 914 | urban population | 28 | 934 | 20 | 60 |
| 916 | vitamin C | 16 | 926 | 49 | 36 |
| 916 | vitamin E | 16 | 926 | 49 | 36 |
| 918 | Chromatography | 44 | 920 | 220 | 260 |
| 918 | children | 25 | 920 | 66 | 93 |
| 920 | election law | 28 | 919 | 29 | 33 |
| 921 | cell interaction | 29 | 915 | 175 | 259 |
| 922 | Learning disabilities | 24 | 913 | 225 | 172 |
| 923 | Elections | 27 | 911 | 53 | 49 |
| 924 | Acoustics | 22 | 907 | 63 | 45 |
| 925 | Experimental Design | 34 | 905 | 35 | 65 |
| 926 | Cardiovascular diseases | 49 | 902 | 294 | 410 |
| 926 | Catalysts | 24 | 902 | 95 | 84 |
| 928 | Voting | 24 | 901 | 31 | 33 |
| 929 | Decision making | 40 | 900 | 218 | 337 |
| 930 | Probability | 22 | 899 | 116 | 91 |
| 931 | Fisheries Law | 20 | 898 | 33 | 33 |
| 931 | fisheries management | 20 | 898 | 33 | 33 |
| 933 | Neuroendocrinology | 9 | 896 | 27 | 38 |
| 934 | Urban Economics | 22 | 895 | 52 | 81 |
| 935 | Ergonomics | 61 | 879 | 114 | 182 |
| 936 | Clinical Biochemistry | 27 | 878 | 244 | 248 |
| 937 | Speech acoustics | 18 | 872 | 31 | 43 |
| 938 | Ceramic materials | 27 | 867 | 297 | 261 |
| 939 | Structural Equation Modeling | 24 | 865 | 12 | 32 |
| 939 | Economic planning | 15 | 865 | 99 | 47 |
| 941 | Occupational Health | 22 | 863 | 229 | 177 |
| 942 | herbicides | 34 | 862 | 23 | 22 |
| 943 | Hospitals | 64 | 855 | 44 | 66 |
| 943 | Reading | 32 | 855 | 94 | 116 |
| 945 | Game Theory | 32 | 848 | 78 | 88 |
| 946 | industrial waste | 22 | 846 | 124 | 255 |
| 947 | biopolymers | 37 | 844 | 235 | 316 |
| 948 | radioactive waste | 20 | 843 | 134 | 255 |
| 949 | Immunochemistry | 34 | 842 | 124 | 155 |
| 950 | foreign exchange | 22 | 839 | 24 | 48 |
| 950 | agricultural productivity | 23 | 839 | 7 | 4 |
| 952 | Land use | 25 | 837 | 201 | 233 |
| 953 | Malaria | 27 | 835 | 113 | 122 |
| 954 | Process Control | 16 | 833 | 289 | 350 |
| 954 | Metallography | 16 | 833 | 249 | 122 |
| 956 | Elderly | 142 | 830 | 76 | 121 |
| 957 | Product life cycle | 19 | 823 | 34 | 56 |
| 958 | Microwave devices | 46 | 821 | 51 | 84 |
| 959 | Social work | 51 | 817 | 240 | 277 |
| 960 | International security | 14 | 816 | 60 | 66 |
| 960 | green products | 18 | 816 | 35 | 55 |
| 962 | Ichthyology | 37 | 808 | 24 | 17 |
| 963 | clay | 25 | 802 | 123 | 168 |
| 963 | Jurisprudence | 17 | 802 | 310 | 153 |
| 965 | Neonatology | 24 | 799 | 83 | 79 |
| 965 | Sonochemistry | 8 | 799 | 294 | 149 |
| 967 | Production Management | 17 | 798 | 412 | 510 |
| 968 | Smoking | 32 | 797 | 146 | 213 |
| 969 | Public Speaking | 30 | 795 | 23 | 11 |
| 970 | microwave communication systems | 39 | 793 | 39 | 65 |
| 970 | Multimedia Systems | 26 | 793 | 464 | 316 |
| 970 | toxicity testing | 26 | 793 | 56 | 56 |
| 973 | Japan | 34 | 791 | 300 | 245 |
| 974 | Quantum theory | 34 | 786 | 196 | 212 |
| 975 | Neurosurgery | 34 | 785 | 170 | 274 |
| 976 | air quality management | 25 | 784 | 33 | 70 |
| 976 | Metallic Glasses | 7 | 784 | 261 | 69 |
| 978 | Investment analysis | 9 | 783 | 430 | 123 |
| 979 | Medical Ethics | 71 | 782 | 96 | 151 |
| 980 | conflict management | 15 | 781 | 59 | 49 |
| 981 | rural health | 21 | 778 | 35 | 19 |
| 982 | Algal blooms | 9 | 777 | 101 | 72 |
| 982 | Cyanobacteria | 9 | 777 | 101 | 72 |
| 982 | microalgae | 9 | 777 | 101 | 72 |
| 985 | Atherosclerosis | 12 | 774 | 41 | 13 |
| 986 | plasma | 31 | 769 | 2 | 2 |
| 987 | exobiology | 11 | 768 | 86 | 79 |
| 988 | Forensic Psychiatry | 35 | 767 | 76 | 78 |
| 989 | Zeolites | 33 | 764 | 123 | 246 |
| 989 | software | 56 | 764 | 26 | 238 |
| 991 | Crystallography | 33 | 763 | 434 | 246 |
| 992 | Entrepreneurship | 5 | 758 | 771 | 406 |
| 993 | Steroids | 25 | 757 | 218 | 223 |
| 994 | Randomized Controlled Trials | 31 | 756 | 184 | 127 |
| 995 | Forensic Psychology | 29 | 755 | 39 | 37 |
| 995 | Soft Condensed Matter | 39 | 755 | 223 | 315 |
| 997 | Cosmology | 13 | 753 | 253 | 160 |
| 998 | Extracellular matrix | 12 | 748 | 61 | 78 |
| 998 | Combinatorial analysis | 59 | 748 | 97 | 115 |
| 998 | collagen | 12 | 748 | 71 | 83 |