| 1 | Science | 3,485 | 344.7K | 61 | 66 |
| 2 | Biology | 2,794 | 338.5K | 84 | 61 |
| 3 | Physics | 2,979 | 314.0K | 106 | 81 |
| 4 | Medicine | 3,326 | 197.7K | 64 | 67 |
| 5 | Chemistry | 2,332 | 180.5K | 137 | 88 |
| 6 | Natural history | 529 | 171.2K | 89 | 71 |
| 7 | Biochemistry | 3,077 | 171.1K | 67 | 54 |
| 8 | Molecular Biology | 1,963 | 149.8K | 78 | 75 |
| 9 | Cytology | 1,131 | 132.0K | 49 | 55 |
| 10 | Neurology | 1,779 | 127.7K | 71 | 70 |
| 11 | Microbiology | 1,609 | 122.0K | 56 | 47 |
| 12 | Research | 2,606 | 118.7K | 42 | 39 |
| 13 | Cell Biology | 855 | 114.9K | 58 | 58 |
| 14 | Human genetics | 475 | 89.1K | 41 | 63 |
| 15 | Ecology | 1,205 | 88.7K | 79 | 72 |
| 16 | Environmental Health | 1,157 | 80.6K | 19 | 13 |
| 17 | Psychiatry | 1,155 | 77.1K | 37 | 38 |
| 18 | Virology | 505 | 74.3K | 80 | 68 |
| 19 | Psychology | 1,198 | 70.8K | 53 | 48 |
| 20 | Pharmacology | 1,627 | 65.5K | 16 | 22 |
| 21 | Environment | 800 | 64.3K | 46 | 46 |
| 22 | Botany | 767 | 64.1K | 74 | 36 |
| 23 | Geophysics | 1,256 | 63.4K | 47 | 39 |
| 24 | Biophysics | 1,357 | 62.5K | 48 | 34 |
| 25 | Psychophysiology | 942 | 57.5K | 26 | 24 |
| 26 | Crystallography | 144 | 54.9K | 47 | 6 |
| 27 | Epidemiology | 951 | 54.5K | 32 | 26 |
| 28 | Astronomy | 859 | 53.8K | 144 | 144 |
| 29 | Immunology | 1,043 | 52.5K | 53 | 83 |
| 30 | Toxicology | 946 | 50.2K | 27 | 11 |
| 31 | Public Health | 906 | 48.8K | 85 | 64 |
| 32 | Pollution | 746 | 47.1K | 75 | 69 |
| 33 | Geology | 839 | 46.8K | 40 | 31 |
| 34 | Catalysis | 794 | 46.7K | 47 | 42 |
| 35 | Environmental Policy | 596 | 46.7K | 3 | 5 |
| 36 | Medical genetics | 730 | 46.2K | 39 | 50 |
| 37 | Neurophysiology | 641 | 46.0K | 57 | 61 |
| 38 | human behavior | 518 | 45.6K | 18 | 12 |
| 39 | Genetics | 506 | 44.9K | 116 | 110 |
| 40 | Astrophysics | 621 | 44.0K | 186 | 181 |
| 41 | Behavior | 729 | 43.7K | 36 | 28 |
| 42 | Earth Sciences | 532 | 43.2K | 25 | 12 |
| 43 | Nuclear Physics | 979 | 43.1K | 226 | 181 |
| 44 | Endocrinology | 561 | 41.3K | 68 | 57 |
| 45 | Hematology | 775 | 41.2K | 74 | 70 |
| 46 | Cancer | 674 | 37.3K | 60 | 64 |
| 47 | United States | 644 | 35.9K | 141 | 75 |
| 48 | Mental Disorders | 568 | 35.7K | 45 | 41 |
| 49 | Geochemistry | 633 | 33.5K | 21 | 24 |
| 50 | Social Psychology | 598 | 32.4K | 24 | 40 |
| 51 | Developmental Biology | 287 | 32.1K | 85 | 59 |
| 52 | Nanotechnology | 474 | 31.4K | 215 | 187 |
| 53 | X-ray crystallography | 28 | 31.3K | 110 | 9 |
| 54 | Biotechnology | 388 | 31.1K | 245 | 172 |
| 55 | Animal Behavior | 354 | 31.0K | 42 | 18 |
| 56 | transport vesicles | 57 | 31.0K | 2 | 1 |
| 57 | Environmental Engineering | 421 | 30.9K | 69 | 54 |
| 58 | Plants | 168 | 29.9K | 90 | 22 |
| 59 | Bacteriology | 302 | 28.9K | 42 | 37 |
| 60 | nuclear magnetic resonance | 270 | 28.3K | 9 | 2 |
| 61 | Europe | 902 | 28.1K | 9 | 2 |
| 62 | Brain | 567 | 27.9K | 42 | 50 |
| 63 | Membranes | 384 | 27.5K | 11 | 8 |
| 64 | Ethology | 278 | 27.3K | 34 | 13 |
| 65 | Reproduction | 551 | 26.8K | 11 | 9 |
| 66 | Education | 509 | 26.7K | 68 | 23 |
| 67 | Regional Planning | 295 | 26.3K | 8 | 1 |
| 68 | Physiology | 548 | 26.3K | 113 | 105 |
| 69 | Meteorology | 402 | 25.2K | 71 | 65 |
| 70 | Embryology | 267 | 24.5K | 48 | 40 |
| 71 | Colloids | 445 | 24.4K | 87 | 48 |
| 72 | Plant cells | 164 | 23.9K | 71 | 57 |
| 73 | Metabolism | 394 | 23.7K | 79 | 88 |
| 74 | Radiography | 93 | 23.7K | 57 | 5 |
| 75 | Psychopharmacology | 341 | 23.5K | 24 | 26 |
| 76 | Planets | 359 | 23.5K | 64 | 49 |
| 77 | nuclear magnetic resonance spectroscopy | 93 | 23.1K | 11 | 2 |
| 78 | Bioengineering | 229 | 23.0K | 230 | 139 |
| 79 | Environmental monitoring | 421 | 22.9K | 25 | 21 |
| 80 | Medical Microbiology | 437 | 22.6K | 10 | 25 |
| 81 | Surface Chemistry | 466 | 22.1K | 74 | 44 |
| 82 | Materials | 261 | 21.8K | 656 | 336 |
| 83 | Child psychology | 317 | 21.7K | 37 | 35 |
| 84 | medical education | 434 | 21.5K | 19 | 10 |
| 85 | Spectrum analysis | 419 | 21.3K | 149 | 187 |
| 86 | Biocompatible Materials | 243 | 21.3K | 260 | 142 |
| 87 | Water | 275 | 21.0K | 54 | 39 |
| 88 | Environmental Toxicology | 195 | 20.9K | 30 | 13 |
| 89 | Immunity | 201 | 20.7K | 87 | 114 |
| 90 | Condensed Matter | 586 | 20.6K | 187 | 199 |
| 91 | Child Development | 398 | 20.5K | 29 | 41 |
| 92 | Energy Policy | 263 | 20.1K | 32 | 21 |
| 93 | Solid State Physics | 561 | 19.7K | 213 | 195 |
| 94 | Public Administration | 292 | 19.6K | 7 | 2 |
| 95 | environmental pollution | 425 | 19.6K | 88 | 87 |
| 96 | Hydrology | 316 | 19.5K | 48 | 25 |
| 97 | plant molecular biology | 127 | 19.3K | 93 | 54 |
| 98 | Microbial Ecology | 270 | 19.3K | 57 | 77 |
| 99 | Sociology | 380 | 19.2K | 63 | 52 |
| 100 | Diagnostic Imaging | 314 | 19.2K | 22 | 12 |
| 101 | Plant physiology | 202 | 19.2K | 71 | 41 |
| 102 | Pharmaceutical Chemistry | 395 | 19.0K | 94 | 82 |
| 103 | Nervous system | 343 | 18.9K | 50 | 78 |
| 104 | Growth | 187 | 18.4K | 60 | 59 |
| 105 | Statistical physics | 510 | 18.3K | 130 | 98 |
| 106 | personality | 251 | 18.2K | 30 | 37 |
| 107 | Adolescent | 421 | 18.2K | 26 | 8 |
| 108 | Mental illness | 312 | 18.1K | 41 | 53 |
| 109 | Diabetes | 229 | 18.0K | 81 | 63 |
| 110 | Biogeochemistry | 332 | 17.9K | 5 | 11 |
| 111 | Polymers | 305 | 17.8K | 333 | 175 |
| 112 | Schizophrenia | 310 | 17.7K | 17 | 15 |
| 113 | Histology | 280 | 17.5K | 23 | 17 |
| 114 | Meteorites | 205 | 17.5K | 42 | 32 |
| 115 | drug therapy | 512 | 17.5K | 18 | 29 |
| 116 | viruses | 200 | 17.3K | 82 | 59 |
| 117 | Neuropsychology | 421 | 17.3K | 21 | 35 |
| 118 | Pharmacy | 283 | 17.3K | 34 | 12 |
| 119 | adolescence | 296 | 17.1K | 4 | 3 |
| 120 | Cardiovascular system | 184 | 17.1K | 82 | 77 |
| 121 | Diabetes mellitus | 197 | 17.0K | 82 | 62 |
| 122 | Metabolic diseases | 289 | 16.9K | 81 | 113 |
| 123 | environmental protection | 264 | 16.6K | 36 | 16 |
| 124 | Plant Ecology | 262 | 16.5K | 11 | 12 |
| 125 | Genomics | 378 | 16.4K | 58 | 63 |
| 126 | Developmental Psychology | 302 | 16.3K | 9 | 24 |
| 127 | Food Microbiology | 109 | 16.2K | 39 | 6 |
| 128 | Pediatrics | 257 | 16.0K | 106 | 96 |
| 129 | Recycling | 72 | 15.9K | 7 | 1 |
| 130 | Clinical Psychology | 220 | 15.9K | 42 | 42 |
| 131 | sanitation | 179 | 15.9K | 79 | 72 |
| 132 | Neurobiology | 234 | 15.8K | 62 | 69 |
| 133 | Critical Care | 206 | 15.7K | 53 | 48 |
| 134 | Teaching | 255 | 15.7K | 20 | 3 |
| 135 | Critical Care Medicine | 197 | 15.7K | 55 | 49 |
| 136 | Biochemical Engineering | 91 | 15.5K | 392 | 184 |
| 137 | Educational Psychology | 252 | 15.5K | 13 | 7 |
| 138 | Hypertension | 186 | 15.5K | 83 | 75 |
| 139 | Climatology | 275 | 15.4K | 60 | 63 |
| 140 | Nutrition | 366 | 15.4K | 137 | 159 |
| 141 | Chemical Engineering | 154 | 15.0K | 560 | 243 |
| 142 | Drug delivery systems | 101 | 14.9K | 40 | 7 |
| 143 | plant communities | 201 | 14.9K | 8 | 7 |
| 144 | Surgery | 265 | 14.5K | 63 | 123 |
| 145 | Land Use Planning | 65 | 14.5K | 8 | 1 |
| 146 | Technology | 244 | 14.5K | 165 | 55 |
| 147 | Biomass Energy | 136 | 14.4K | 112 | 47 |
| 148 | Biodiversity | 267 | 14.3K | 19 | 31 |
| 149 | Medical Physics | 408 | 14.3K | 27 | 32 |
| 150 | Quality of life | 110 | 14.3K | 33 | 5 |
| 151 | Plant diseases | 136 | 14.2K | 144 | 32 |
| 152 | Renewable Energy Sources | 148 | 14.1K | 72 | 69 |
| 153 | Oncology | 161 | 13.9K | 111 | 108 |
| 154 | Chronic diseases | 202 | 13.9K | 9 | 29 |
| 155 | Ophthalmology | 311 | 13.9K | 44 | 44 |
| 156 | Social Sciences | 384 | 13.7K | 51 | 36 |
| 157 | Vocational guidance | 44 | 13.6K | 131 | 7 |
| 158 | behavioral medicine | 101 | 13.5K | 71 | 22 |
| 159 | Parasitic Diseases | 244 | 13.4K | 31 | 24 |
| 160 | Image Processing | 99 | 13.3K | 205 | 72 |
| 161 | Oceanography | 369 | 13.3K | 48 | 71 |
| 162 | soil microbiology | 150 | 13.0K | 61 | 42 |
| 163 | Cognition | 360 | 12.9K | 20 | 62 |
| 164 | Economics | 357 | 12.9K | 179 | 145 |
| 165 | city planning | 276 | 12.7K | 10 | 4 |
| 166 | Aging | 228 | 12.7K | 161 | 92 |
| 167 | Computer Vision | 85 | 12.7K | 57 | 27 |
| 168 | Quantum Gravity | 296 | 12.7K | 198 | 161 |
| 169 | Anatomy | 201 | 12.4K | 79 | 76 |
| 170 | Sustainable Development | 176 | 12.4K | 10 | 16 |
| 171 | Cell differentiation | 163 | 12.4K | 92 | 112 |
| 172 | Analytical Chemistry | 280 | 12.1K | 241 | 193 |
| 173 | Environmental Law | 193 | 12.0K | 7 | 12 |
| 174 | Artificial Intelligence | 276 | 11.9K | 146 | 147 |
| 175 | infection | 225 | 11.7K | 14 | 19 |
| 176 | atmospheric models | 103 | 11.7K | 35 | 18 |
| 177 | energy resources | 147 | 11.6K | 16 | 18 |
| 178 | arthritis | 205 | 11.6K | 37 | 40 |
| 179 | cryosphere | 180 | 11.6K | 1 | 1 |
| 180 | Paleoclimatology | 235 | 11.6K | 4 | 4 |
| 181 | Human Geography | 327 | 11.4K | 6 | 9 |
| 182 | Cytogenetics | 112 | 11.3K | 99 | 93 |
| 183 | water supply | 135 | 11.3K | 39 | 20 |
| 184 | Stem cells | 152 | 11.3K | 55 | 22 |
| 185 | Geomorphology | 204 | 11.2K | 12 | 10 |
| 186 | Host-parasite interactions | 104 | 11.2K | 66 | 57 |
| 187 | Mathematical Physics | 314 | 11.2K | 81 | 99 |
| 188 | United Kingdom | 171 | 11.1K | 56 | 36 |
| 189 | Atmospheric Physics | 201 | 11.0K | 106 | 99 |
| 190 | Occupational Health | 236 | 10.8K | 4 | 2 |
| 191 | psychotherapy | 160 | 10.8K | 42 | 35 |
| 192 | Electrochemistry | 273 | 10.8K | 233 | 139 |
| 193 | Materials Science | 251 | 10.7K | 367 | 345 |
| 194 | Learning | 219 | 10.7K | 19 | 30 |
| 195 | Diagnostic microbiology | 123 | 10.6K | 51 | 45 |
| 196 | Biomedical Engineering | 208 | 10.5K | 351 | 234 |
| 197 | Social Change | 110 | 10.4K | 2 | 1 |
| 198 | Paleoecology | 212 | 10.4K | 4 | 3 |
| 199 | Water pollution | 146 | 10.4K | 155 | 103 |
| 200 | Biodiversity conservation | 103 | 10.3K | 130 | 119 |
| 201 | management | 164 | 10.3K | 232 | 226 |
| 202 | Cognitive neuroscience | 139 | 10.3K | 39 | 57 |
| 203 | cell physiology | 117 | 10.2K | 86 | 62 |
| 204 | Mathematics | 676 | 10.2K | 216 | 207 |
| 205 | Pathology | 271 | 10.2K | 70 | 111 |
| 206 | Geodynamics | 179 | 10.1K | 15 | 7 |
| 207 | Proteome | 165 | 10.1K | 16 | 19 |
| 208 | Economic Geography | 222 | 10.1K | 1 | 1 |
| 209 | occupational diseases | 215 | 10.1K | 5 | 2 |
| 210 | Statistics | 247 | 10.1K | 112 | 99 |
| 211 | proteins | 188 | 10.1K | 61 | 53 |
| 212 | Social behavior | 162 | 10.0K | 19 | 23 |
| 213 | genome | 87 | 10.0K | 133 | 111 |
| 214 | Molecular structure | 142 | 9.9K | 85 | 68 |
| 215 | Cardiovascular diseases | 261 | 9.9K | 15 | 10 |
| 216 | Perception | 346 | 9.9K | 42 | 62 |
| 217 | Vaccines | 306 | 9.8K | 21 | 34 |
| 218 | Biomass | 58 | 9.8K | 13 | 1 |
| 219 | Economic History | 252 | 9.8K | 110 | 47 |
| 220 | Atmospheric Chemistry | 162 | 9.6K | 68 | 83 |
| 221 | Paleogeography | 178 | 9.6K | 4 | 3 |
| 222 | Virulence | 114 | 9.6K | 47 | 50 |
| 223 | Evolution | 166 | 9.5K | 103 | 130 |
| 224 | Clinical Chemistry | 292 | 9.5K | 67 | 106 |
| 225 | Health Education | 234 | 9.4K | 48 | 29 |
| 226 | Pediatric Neurology | 87 | 9.4K | 70 | 73 |
| 227 | Geriatrics | 213 | 9.4K | 185 | 144 |
| 228 | Hemophilia | 243 | 9.4K | 1 | 1 |
| 229 | Neurochemistry | 223 | 9.4K | 110 | 135 |
| 230 | biological evolution | 136 | 9.3K | 162 | 179 |
| 231 | Transportation | 160 | 9.3K | 87 | 42 |
| 232 | drugs | 349 | 9.3K | 7 | 17 |
| 233 | Diet | 171 | 9.3K | 107 | 123 |
| 234 | Infections | 160 | 9.3K | 11 | 19 |
| 235 | Environmental Economics | 118 | 9.3K | 1 | 1 |
| 236 | Rheumatology | 215 | 9.2K | 22 | 32 |
| 237 | Neurons | 46 | 9.2K | 97 | 107 |
| 238 | biopolymers | 160 | 9.1K | 16 | 4 |
| 239 | Medical Oncology | 200 | 9.0K | 73 | 82 |
| 240 | Molecular Microbiology | 101 | 9.0K | 38 | 32 |
| 241 | Happiness | 15 | 8.8K | 46 | 1 |
| 242 | Youth | 166 | 8.8K | 4 | 3 |
| 243 | Parasitology | 179 | 8.7K | 100 | 50 |
| 244 | energy conservation | 113 | 8.6K | 104 | 82 |
| 245 | environmental exposure | 216 | 8.6K | 8 | 10 |
| 246 | Environmental Chemistry | 143 | 8.5K | 63 | 122 |
| 247 | Computational Biology | 147 | 8.5K | 169 | 162 |
| 248 | Health | 210 | 8.5K | 80 | 70 |
| 249 | Vision | 206 | 8.5K | 6 | 20 |
| 250 | Therapeutics | 176 | 8.4K | 55 | 63 |
| 251 | global environmental change | 130 | 8.4K | 10 | 10 |
| 252 | Cognitive Science | 127 | 8.3K | 39 | 58 |
| 253 | brain mapping | 107 | 8.3K | 18 | 18 |
| 254 | risk factors | 205 | 8.3K | 2 | 2 |
| 255 | Nanostructured Materials | 194 | 8.3K | 229 | 211 |
| 256 | Nonlinear Dynamics | 226 | 8.2K | 107 | 89 |
| 257 | Green Chemistry | 107 | 8.1K | 115 | 69 |
| 258 | nucleic acids | 108 | 8.1K | 154 | 205 |
| 259 | Climate change | 70 | 8.0K | 98 | 117 |
| 260 | rehabilitation | 219 | 8.0K | 60 | 68 |
| 261 | Solid State Chemistry | 225 | 7.9K | 68 | 37 |
| 262 | Genetic engineering | 88 | 7.9K | 148 | 59 |
| 263 | Eutrophication | 68 | 7.9K | 103 | 120 |
| 264 | Neurosurgery | 125 | 7.9K | 17 | 15 |
| 265 | Environmental Management | 135 | 7.9K | 99 | 80 |
| 266 | Obesity | 183 | 7.8K | 100 | 108 |
| 267 | fertility | 110 | 7.8K | 52 | 35 |
| 268 | Economic Development | 98 | 7.8K | 91 | 49 |
| 269 | Health Policy | 177 | 7.8K | 100 | 72 |
| 270 | Radiobiology | 167 | 7.8K | 67 | 66 |
| 271 | Clinical Pharmacology | 292 | 7.8K | 11 | 12 |
| 272 | Soft Condensed Matter | 154 | 7.7K | 19 | 9 |
| 273 | Marine Biology | 214 | 7.7K | 133 | 133 |
| 274 | nanoscience | 132 | 7.7K | 289 | 269 |
| 275 | Sports Medicine | 148 | 7.6K | 164 | 104 |
| 276 | Environmental Microbiology | 116 | 7.4K | 26 | 45 |
| 277 | Child | 320 | 7.3K | 61 | 82 |
| 278 | Proteomics | 110 | 7.3K | 16 | 15 |
| 279 | Disease | 10 | 7.3K | 90 | 44 |
| 280 | diseases | 9 | 7.3K | 108 | 48 |
| 281 | Allergy | 66 | 7.2K | 135 | 130 |
| 282 | Infertility | 90 | 7.2K | 67 | 39 |
| 283 | Work | 41 | 7.1K | 18 | 1 |
| 284 | Job satisfaction | 40 | 7.1K | 3 | 1 |
| 284 | job stress | 40 | 7.1K | 3 | 1 |
| 286 | Physical Chemistry | 127 | 7.0K | 165 | 132 |
| 287 | Optics | 204 | 7.0K | 509 | 297 |
| 288 | Obstetrics | 229 | 6.9K | 99 | 112 |
| 289 | Public Policy | 150 | 6.9K | 55 | 30 |
| 290 | counseling | 150 | 6.9K | 51 | 25 |
| 291 | Bioorganic chemistry | 132 | 6.8K | 207 | 134 |
| 292 | Patient education | 137 | 6.8K | 8 | 8 |
| 293 | Genetic regulation | 45 | 6.7K | 148 | 92 |
| 294 | Immunotherapy | 119 | 6.7K | 88 | 127 |
| 295 | Cybernetics | 88 | 6.6K | 108 | 78 |
| 296 | Primary health care | 234 | 6.6K | 31 | 34 |
| 297 | Electrochemical Analysis | 125 | 6.5K | 41 | 17 |
| 298 | sustainability | 57 | 6.4K | 20 | 15 |
| 299 | Adolescent Psychology | 127 | 6.3K | 14 | 11 |
| 300 | Post-traumatic stress disorder | 179 | 6.3K | 6 | 19 |
| 301 | Microorganisms | 48 | 6.3K | 81 | 43 |
| 302 | miniaturization | 81 | 6.2K | 221 | 199 |
| 303 | Linguistics | 264 | 6.2K | 19 | 44 |
| 304 | Liver diseases | 73 | 6.2K | 168 | 167 |
| 305 | Health Services Research | 188 | 6.2K | 49 | 67 |
| 306 | Soil biology | 65 | 6.1K | 90 | 61 |
| 307 | Memory | 174 | 6.1K | 96 | 110 |
| 308 | Research Design | 135 | 6.0K | 36 | 60 |
| 309 | Medical Anthropology | 92 | 6.0K | 101 | 91 |
| 310 | Luminescence | 124 | 6.0K | 16 | 3 |
| 311 | Environmental pollutants | 152 | 5.9K | 44 | 43 |
| 312 | Sedimentology | 98 | 5.9K | 3 | 4 |
| 313 | Molecular Genetics | 109 | 5.9K | 137 | 152 |
| 314 | Magnetic Resonance Spectroscopy | 199 | 5.9K | 20 | 26 |
| 315 | Organic Chemistry | 127 | 5.9K | 343 | 216 |
| 316 | Geography | 163 | 5.8K | 142 | 137 |
| 317 | Food | 147 | 5.8K | 166 | 167 |
| 318 | Soil Science | 106 | 5.8K | 130 | 107 |
| 319 | Nuclear Medicine | 169 | 5.8K | 24 | 41 |
| 320 | Politics | 44 | 5.8K | 50 | 3 |
| 320 | government | 44 | 5.8K | 74 | 6 |
| 322 | Europa | 89 | 5.8K | 3 | 1 |
| 323 | Electrophoresis | 169 | 5.8K | 18 | 17 |
| 324 | Animal ecology | 60 | 5.7K | 150 | 52 |
| 325 | polymerization | 108 | 5.6K | 638 | 397 |
| 326 | Immune system | 58 | 5.6K | 108 | 164 |
| 327 | pollutants | 137 | 5.6K | 35 | 40 |
| 328 | Attention | 174 | 5.5K | 81 | 83 |
| 329 | Cosmochemistry | 132 | 5.4K | 11 | 23 |
| 330 | Developmental Genetics | 29 | 5.3K | 128 | 91 |
| 331 | Microelectronics | 67 | 5.3K | 283 | 203 |
| 332 | Biometrics | 116 | 5.3K | 58 | 54 |
| 333 | Gene expression regulation | 39 | 5.3K | 132 | 90 |
| 334 | gene mapping | 96 | 5.2K | 144 | 174 |
| 335 | Medical Laboratory Science | 121 | 5.2K | 111 | 159 |
| 336 | Industrial Microbiology | 63 | 5.2K | 164 | 80 |
| 337 | ecosystem | 79 | 5.2K | 70 | 64 |
| 338 | Developing countries | 155 | 5.2K | 73 | 83 |
| 339 | Lipids | 101 | 5.1K | 39 | 50 |
| 340 | Molecular Imaging | 132 | 5.1K | 9 | 31 |
| 341 | Small Business | 44 | 5.1K | 32 | 34 |
| 342 | alcoholism | 115 | 5.1K | 115 | 91 |
| 343 | Optical materials | 69 | 5.1K | 434 | 269 |
| 344 | protein | 86 | 5.1K | 80 | 74 |
| 345 | economic policy | 103 | 5.0K | 152 | 55 |
| 346 | Sports | 100 | 5.0K | 203 | 102 |
| 347 | Oncogenes | 62 | 4.9K | 152 | 145 |
| 347 | Fungi | 81 | 4.9K | 59 | 39 |
| 349 | Mycology | 100 | 4.9K | 108 | 75 |
| 350 | Computer Graphics | 135 | 4.9K | 106 | 114 |
| 351 | Physical Therapy | 104 | 4.8K | 79 | 83 |
| 351 | viral genetics | 24 | 4.8K | 89 | 78 |
| 353 | disease outbreaks | 98 | 4.8K | 13 | 14 |
| 353 | Epidemics | 98 | 4.8K | 13 | 14 |
| 355 | Sustainable Engineering | 77 | 4.8K | 115 | 73 |
| 356 | Psycholinguistics | 125 | 4.8K | 46 | 73 |
| 357 | Paleoceanography | 60 | 4.8K | 5 | 7 |
| 358 | Hormones | 113 | 4.8K | 46 | 49 |
| 359 | Telecommunication | 87 | 4.8K | 348 | 254 |
| 360 | Energy Conversion | 33 | 4.7K | 294 | 189 |
| 361 | Immunopathology | 146 | 4.7K | 32 | 53 |
| 362 | Geomagnetism | 161 | 4.7K | 14 | 18 |
| 363 | Law | 222 | 4.7K | 28 | 6 |
| 364 | Social policy | 83 | 4.7K | 32 | 5 |
| 365 | biocatalysis | 14 | 4.6K | 24 | 15 |
| 365 | Homogeneous catalysis | 14 | 4.6K | 24 | 15 |
| 365 | Heterogeneous catalysis | 14 | 4.6K | 24 | 15 |
| 368 | Bioinformatics | 74 | 4.6K | 238 | 226 |
| 369 | Developmental Disabilities | 92 | 4.6K | 79 | 77 |
| 370 | Microbial Genetics | 22 | 4.6K | 56 | 6 |
| 370 | phytopathogenic bacteria | 22 | 4.6K | 45 | 6 |
| 372 | Biogeochemical cycles | 51 | 4.5K | 30 | 33 |
| 373 | Organic Geochemistry | 97 | 4.5K | 10 | 14 |
| 374 | Leukemia | 67 | 4.5K | 123 | 132 |
| 375 | Regional Economics | 54 | 4.5K | 5 | 1 |
| 376 | Cerebral cortex | 91 | 4.5K | 53 | 76 |
| 377 | solar cells | 63 | 4.4K | 37 | 18 |
| 378 | Mass Spectrometry | 106 | 4.4K | 39 | 33 |
| 379 | Urology | 129 | 4.4K | 144 | 161 |
| 380 | animals | 114 | 4.4K | 53 | 15 |
| 381 | Nanostructures | 41 | 4.4K | 377 | 169 |
| 382 | Engineering | 112 | 4.3K | 442 | 232 |
| 383 | industrial hygiene | 138 | 4.3K | 13 | 8 |
| 384 | Sexual health | 70 | 4.3K | 39 | 9 |
| 385 | Bones | 32 | 4.2K | 131 | 42 |
| 386 | Thrombosis | 85 | 4.2K | 64 | 59 |
| 387 | Anxiety | 40 | 4.2K | 56 | 30 |
| 388 | drug addiction | 89 | 4.2K | 105 | 90 |
| 389 | Visual Perception | 180 | 4.2K | 72 | 112 |
| 390 | free radicals | 42 | 4.2K | 184 | 113 |
| 391 | Anxiety Disorders | 39 | 4.1K | 57 | 31 |
| 392 | Electronics | 98 | 4.1K | 545 | 333 |
| 393 | Organizational Behavior | 53 | 4.1K | 45 | 45 |
| 394 | Molecules | 82 | 4.1K | 119 | 67 |
| 395 | Mineralogy | 101 | 4.0K | 127 | 122 |
| 396 | Chemotherapy | 112 | 4.0K | 54 | 52 |
| 397 | Chromosome mapping | 81 | 4.0K | 142 | 147 |
| 398 | scientific societies | 118 | 4.0K | 14 | 14 |
| 399 | Primates | 83 | 4.0K | 46 | 28 |
| 400 | Medical innovations | 33 | 3.9K | 131 | 120 |
| 401 | Parasites | 90 | 3.9K | 82 | 61 |
| 402 | Hydraulic Engineering | 56 | 3.9K | 155 | 46 |
| 403 | Psychometrics | 89 | 3.9K | 30 | 51 |
| 404 | Liposomes | 94 | 3.8K | 3 | 18 |
| 405 | Animal breeding | 171 | 3.8K | 11 | 23 |
| 406 | Pharmaceutical Technology | 115 | 3.8K | 40 | 54 |
| 407 | feeding behavior | 77 | 3.8K | 25 | 23 |
| 408 | Greenhouse gases | 65 | 3.8K | 11 | 12 |
| 409 | Clinical Immunology | 102 | 3.8K | 55 | 45 |
| 409 | pain | 75 | 3.8K | 136 | 154 |
| 411 | Microscopy | 105 | 3.8K | 70 | 56 |
| 412 | human development | 69 | 3.7K | 60 | 58 |
| 413 | Paleontology | 107 | 3.7K | 101 | 56 |
| 414 | Public opinion | 71 | 3.7K | 4 | 7 |
| 415 | Tissue Engineering | 20 | 3.7K | 36 | 6 |
| 416 | Wildlife conservation | 42 | 3.7K | 179 | 95 |
| 417 | Petrology | 85 | 3.7K | 97 | 115 |
| 418 | Transplantation | 71 | 3.7K | 148 | 149 |
| 419 | gene therapy | 71 | 3.7K | 73 | 81 |
| 420 | Appetite | 70 | 3.7K | 21 | 23 |
| 421 | Genetic disorders | 103 | 3.6K | 11 | 12 |
| 422 | Solar Energy | 57 | 3.6K | 126 | 78 |
| 423 | vascular diseases | 61 | 3.6K | 50 | 55 |
| 424 | Veterinary Immunology | 104 | 3.6K | 13 | 11 |
| 425 | Psychosomatic Medicine | 63 | 3.6K | 55 | 60 |
| 426 | geological modeling | 17 | 3.5K | 103 | 15 |
| 427 | Geochemical Modeling | 15 | 3.5K | 91 | 15 |
| 428 | behavior therapy | 118 | 3.5K | 42 | 61 |
| 429 | Methodology | 50 | 3.5K | 3 | 3 |
| 430 | Biogeography | 43 | 3.5K | 128 | 104 |
| 431 | Randomized Controlled Trials | 150 | 3.4K | 28 | 21 |
| 432 | Political Science | 102 | 3.4K | 187 | 136 |
| 433 | Dermatology | 75 | 3.4K | 222 | 162 |
| 434 | Chromatographic analysis | 146 | 3.4K | 43 | 40 |
| 435 | Communication | 103 | 3.4K | 180 | 191 |
| 436 | Breeding | 152 | 3.4K | 48 | 88 |
| 437 | Population | 80 | 3.4K | 58 | 29 |
| 438 | local government | 56 | 3.4K | 5 | 3 |
| 439 | School Psychology | 31 | 3.4K | 73 | 21 |
| 440 | Bacterial infections | 45 | 3.3K | 67 | 98 |
| 441 | glycoproteins | 71 | 3.3K | 13 | 14 |
| 441 | Glycoconjugates | 71 | 3.3K | 13 | 14 |
| 441 | glycolipids | 71 | 3.3K | 13 | 14 |
| 444 | Medical Technology | 59 | 3.2K | 113 | 52 |
| 445 | drug development | 36 | 3.2K | 118 | 131 |
| 446 | school psychologists | 22 | 3.2K | 30 | 7 |
| 447 | Lipid bilayers | 64 | 3.2K | 5 | 21 |
| 448 | Human Resources | 32 | 3.1K | 23 | 4 |
| 449 | health planning | 103 | 3.1K | 82 | 66 |
| 450 | Australia | 65 | 3.1K | 170 | 81 |
| 451 | Chromatography | 122 | 3.1K | 42 | 42 |
| 452 | Speech | 70 | 3.1K | 83 | 69 |
| 453 | Bioinorganic chemistry | 108 | 3.0K | 53 | 48 |
| 454 | Crystallization | 21 | 3.0K | 105 | 3 |
| 455 | Engineering Geology | 51 | 3.0K | 205 | 126 |
| 456 | Immunochemistry | 62 | 3.0K | 33 | 14 |
| 457 | Transport | 52 | 3.0K | 30 | 20 |
| 458 | Animal genetics | 90 | 2.9K | 47 | 40 |
| 459 | Mathematics Education | 53 | 2.8K | 6 | 2 |
| 460 | Hemodynamics | 41 | 2.8K | 78 | 77 |
| 461 | Speech Disorders | 112 | 2.8K | 86 | 94 |
| 462 | Criminology | 142 | 2.8K | 31 | 57 |
| 463 | epilepsy | 96 | 2.8K | 31 | 46 |
| 464 | Alzheimer's disease | 127 | 2.8K | 148 | 138 |
| 465 | Spine | 80 | 2.8K | 41 | 78 |
| 466 | Strategic planning | 30 | 2.8K | 50 | 16 |
| 467 | Bone diseases | 37 | 2.8K | 20 | 37 |
| 468 | Antigens | 94 | 2.8K | 23 | 49 |
| 469 | Social Networks | 47 | 2.8K | 4 | 19 |
| 469 | optical instruments | 31 | 2.8K | 66 | 33 |
| 471 | Structuralism | 46 | 2.8K | 3 | 18 |
| 472 | Orthopedics | 99 | 2.8K | 129 | 157 |
| 473 | Sleep Disorders | 64 | 2.8K | 211 | 185 |
| 474 | Histochemistry | 44 | 2.7K | 104 | 33 |
| 475 | Neuroimmunology | 58 | 2.7K | 31 | 54 |
| 476 | energy development | 29 | 2.7K | 79 | 101 |
| 477 | violence | 54 | 2.7K | 95 | 60 |
| 478 | Quantitative Research | 42 | 2.7K | 8 | 7 |
| 479 | Genetic therapy | 57 | 2.7K | 116 | 118 |
| 480 | Continental shelf | 64 | 2.7K | 14 | 24 |
| 481 | Photochemistry | 61 | 2.7K | 132 | 83 |
| 482 | Information Science | 48 | 2.7K | 363 | 228 |
| 483 | Psychoneuroimmunology | 56 | 2.7K | 23 | 48 |
| 484 | embryonic development | 54 | 2.6K | 11 | 10 |
| 485 | Environmental Geology | 50 | 2.6K | 149 | 97 |
| 486 | mycoses | 27 | 2.6K | 109 | 116 |
| 487 | Signal Transduction | 58 | 2.6K | 118 | 184 |
| 488 | Carbohydrates | 39 | 2.6K | 30 | 20 |
| 489 | Dementia | 119 | 2.6K | 149 | 123 |
| 490 | Natural resources | 45 | 2.6K | 73 | 50 |
| 491 | Light | 55 | 2.6K | 79 | 221 |
| 491 | Respiration | 64 | 2.6K | 188 | 185 |
| 493 | Inflammation | 67 | 2.6K | 52 | 72 |
| 494 | Drug design | 86 | 2.6K | 54 | 116 |
| 495 | Urban Policy | 63 | 2.6K | 21 | 16 |
| 495 | Cosmology | 53 | 2.6K | 217 | 64 |
| 497 | Neuropsychiatry | 65 | 2.6K | 57 | 55 |
| 498 | child abuse | 30 | 2.5K | 139 | 82 |
| 499 | Adolescent Medicine | 18 | 2.5K | 142 | 83 |
| 500 | older people | 84 | 2.5K | 185 | 95 |
| 501 | Transportation Engineering | 22 | 2.5K | 86 | 12 |
| 502 | Zoology | 47 | 2.5K | 566 | 271 |
| 503 | health services accessibility | 53 | 2.5K | 67 | 35 |
| 504 | solar power | 34 | 2.5K | 78 | 38 |
| 505 | Molecular cloning | 46 | 2.5K | 150 | 103 |
| 506 | Antibodies | 71 | 2.5K | 14 | 29 |
| 507 | cell membrane | 63 | 2.5K | 50 | 57 |
| 508 | Amyotrophic Lateral Sclerosis | 85 | 2.5K | 5 | 10 |
| 509 | disabilities | 75 | 2.5K | 33 | 30 |
| 510 | animal diseases | 80 | 2.4K | 12 | 9 |
| 511 | Feminism | 39 | 2.4K | 46 | 2 |
| 512 | Sedimentary rocks | 49 | 2.4K | 18 | 13 |
| 513 | Sleep | 63 | 2.4K | 216 | 207 |
| 514 | Gerontology | 81 | 2.4K | 248 | 202 |
| 515 | Family | 68 | 2.4K | 83 | 70 |
| 516 | Philosophy | 215 | 2.4K | 73 | 73 |
| 517 | Recombinant DNA | 42 | 2.4K | 192 | 120 |
| 518 | Organometallic chemistry | 103 | 2.4K | 62 | 45 |
| 519 | Genetic recombination | 40 | 2.4K | 173 | 109 |
| 520 | natural disasters | 40 | 2.4K | 105 | 53 |
| 521 | Feminist theory | 20 | 2.4K | 19 | 1 |
| 522 | Nuclear Chemistry | 30 | 2.4K | 237 | 31 |
| 523 | Hydrodynamics | 42 | 2.4K | 60 | 41 |
| 524 | Demography | 53 | 2.3K | 61 | 60 |
| 525 | Multivariate Analysis | 43 | 2.3K | 23 | 19 |
| 526 | enzymes | 60 | 2.3K | 137 | 146 |
| 527 | Emotions | 64 | 2.3K | 28 | 67 |
| 528 | race relations | 89 | 2.3K | 11 | 14 |
| 529 | Development | 38 | 2.3K | 98 | 69 |
| 530 | Housing | 64 | 2.3K | 20 | 17 |
| 530 | Kidney diseases | 55 | 2.3K | 87 | 79 |
| 532 | Community Psychiatry | 48 | 2.3K | 116 | 96 |
| 533 | Structural Equation Modeling | 37 | 2.3K | 4 | 11 |
| 533 | rare diseases | 60 | 2.3K | 22 | 28 |
| 535 | Molecular evolution | 43 | 2.3K | 237 | 260 |
| 536 | Economic Assistance | 35 | 2.3K | 75 | 58 |
| 537 | Substance Abuse | 82 | 2.3K | 150 | 146 |
| 538 | cell interaction | 58 | 2.3K | 63 | 68 |
| 539 | Population Genetics | 33 | 2.3K | 280 | 236 |
| 540 | Agricultural Ecology | 41 | 2.3K | 150 | 165 |
| 541 | Systems Biology | 75 | 2.2K | 91 | 108 |
| 542 | Autoimmunity | 39 | 2.2K | 77 | 79 |
| 543 | world | 27 | 2.2K | 117 | 81 |
| 544 | Social problems | 65 | 2.2K | 21 | 58 |
| 545 | Oligosaccharide | 30 | 2.2K | 24 | 22 |
| 546 | families | 73 | 2.1K | 46 | 40 |
| 547 | Data Mining | 66 | 2.1K | 69 | 198 |
| 548 | Neonatology | 44 | 2.1K | 25 | 17 |
| 549 | Lipid | 48 | 2.1K | 8 | 18 |
| 550 | cytokines | 48 | 2.1K | 104 | 95 |
| 551 | Language Disorders | 94 | 2.1K | 71 | 79 |
| 552 | Personality Assessment | 28 | 2.1K | 101 | 62 |
| 553 | Nuclear Energy | 7 | 2.1K | 689 | 66 |
| 554 | Muscles | 56 | 2.0K | 69 | 91 |
| 555 | Water quality management | 62 | 2.0K | 170 | 134 |
| 556 | Medical Ethics | 118 | 2.0K | 53 | 49 |
| 557 | children | 51 | 2.0K | 24 | 40 |
| 558 | Ethnic relations | 75 | 2.0K | 6 | 6 |
| 559 | Organometallic compounds | 58 | 2.0K | 119 | 110 |
| 560 | Biopharmaceutics | 74 | 2.0K | 43 | 91 |
| 561 | Molecular Pharmacology | 30 | 2.0K | 110 | 78 |
| 562 | Aggression | 34 | 2.0K | 34 | 28 |
| 563 | Agriculture | 57 | 2.0K | 316 | 275 |
| 564 | Plant Genetics | 18 | 2.0K | 198 | 114 |
| 564 | Land use | 66 | 2.0K | 53 | 65 |
| 566 | Electrophysiology | 77 | 2.0K | 66 | 59 |
| 567 | Solar power plants | 29 | 2.0K | 16 | 14 |
| 567 | Photovoltaic Cells | 29 | 2.0K | 16 | 14 |
| 569 | toxicity testing | 34 | 1.9K | 53 | 34 |
| 570 | disease vectors | 47 | 1.9K | 89 | 76 |
| 571 | Signal Processing | 14 | 1.9K | 1265 | 532 |
| 572 | Psychiatric Epidemiology | 40 | 1.9K | 38 | 36 |
| 573 | Lipid metabolism | 47 | 1.9K | 8 | 20 |
| 574 | Clinical Biochemistry | 38 | 1.9K | 167 | 108 |
| 575 | Analytical Biochemistry | 52 | 1.9K | 175 | 176 |
| 575 | Frontotemporal lobar degeneration | 70 | 1.9K | 4 | 7 |
| 577 | Radiochemistry | 14 | 1.9K | 406 | 45 |
| 578 | food technology | 50 | 1.9K | 414 | 391 |
| 579 | Pharmacokinetics | 69 | 1.9K | 34 | 52 |
| 580 | Antibacterial agents | 51 | 1.9K | 20 | 32 |
| 581 | Socialization | 46 | 1.9K | 28 | 41 |
| 582 | Anthropology | 65 | 1.9K | 216 | 155 |
| 583 | Numerical Analysis | 65 | 1.9K | 312 | 220 |
| 583 | Porous materials | 52 | 1.9K | 26 | 15 |
| 585 | System analysis | 50 | 1.8K | 400 | 269 |
| 586 | Nanoparticles | 32 | 1.8K | 424 | 286 |
| 587 | Educational Technology | 66 | 1.8K | 76 | 88 |
| 588 | Audiology | 72 | 1.8K | 75 | 104 |
| 589 | cloning | 19 | 1.8K | 145 | 114 |
| 590 | Language Acquisition | 58 | 1.8K | 11 | 20 |
| 591 | Asia | 75 | 1.8K | 221 | 152 |
| 592 | Reproductive health | 60 | 1.8K | 35 | 39 |
| 593 | Dynamics | 42 | 1.8K | 259 | 79 |
| 594 | Marine Meteorology | 45 | 1.8K | 63 | 63 |
| 595 | Urban Areas | 16 | 1.8K | 23 | 1 |
| 596 | visualization | 117 | 1.8K | 84 | 93 |
| 597 | Radiation | 55 | 1.8K | 295 | 216 |
| 598 | Depression | 16 | 1.8K | 77 | 52 |
| 599 | civil service | 74 | 1.8K | 5 | 22 |
| 600 | death | 32 | 1.8K | 9 | 1 |
| 601 | histological techniques | 32 | 1.8K | 80 | 70 |
| 601 | Chromosomes | 47 | 1.8K | 102 | 119 |
| 603 | sexual behavior | 34 | 1.8K | 78 | 57 |
| 604 | Reproductive toxicology | 49 | 1.8K | 12 | 27 |
| 605 | Geriatric Oncology | 47 | 1.8K | 30 | 34 |
| 606 | Leadership | 11 | 1.7K | 139 | 71 |
| 607 | Steroids | 45 | 1.7K | 112 | 90 |
| 608 | Nephrology | 28 | 1.7K | 111 | 85 |
| 608 | Respiratory system | 31 | 1.7K | 77 | 37 |
| 610 | Bioethics | 93 | 1.7K | 46 | 41 |
| 611 | Business | 37 | 1.7K | 471 | 475 |
| 612 | Ecological Engineering | 35 | 1.7K | 28 | 27 |
| 613 | innovation | 45 | 1.7K | 20 | 128 |
| 614 | Andrology | 25 | 1.7K | 112 | 33 |
| 615 | Ethics | 112 | 1.7K | 12 | 35 |
| 616 | Catalysts | 35 | 1.7K | 55 | 31 |
| 617 | Thermodynamics | 49 | 1.7K | 107 | 33 |
| 618 | libraries | 18 | 1.7K | 182 | 12 |
| 619 | organizational effectiveness | 25 | 1.7K | 28 | 12 |
| 620 | Information Theory | 58 | 1.7K | 195 | 231 |
| 621 | Intellectual disability | 41 | 1.7K | 130 | 96 |
| 622 | Neurotransmitters | 45 | 1.7K | 30 | 41 |
| 623 | biological factors | 55 | 1.7K | 194 | 266 |
| 624 | Food additives | 40 | 1.7K | 136 | 174 |
| 625 | Thermochemistry | 48 | 1.6K | 45 | 23 |
| 626 | Biomolecules | 21 | 1.6K | 56 | 53 |
| 627 | Physical organic chemistry | 50 | 1.6K | 141 | 112 |
| 628 | Algorithms | 31 | 1.6K | 45 | 16 |
| 629 | Aquaculture | 46 | 1.6K | 255 | 230 |
| 630 | Biomechanics | 57 | 1.6K | 181 | 230 |
| 631 | Suicide | 23 | 1.6K | 97 | 34 |
| 632 | Ecosystem management | 38 | 1.6K | 55 | 80 |
| 633 | Palliative Care | 53 | 1.6K | 72 | 65 |
| 634 | Cell communication | 41 | 1.6K | 47 | 50 |
| 635 | Learning disabilities | 28 | 1.6K | 168 | 72 |
| 636 | Neuromuscular diseases | 46 | 1.6K | 63 | 75 |
| 637 | Solar System | 48 | 1.6K | 154 | 169 |
| 638 | Animal Nutrition | 123 | 1.6K | 14 | 53 |
| 639 | emergency management | 34 | 1.6K | 47 | 30 |
| 640 | sedimentary basins | 35 | 1.6K | 11 | 10 |
| 641 | Carcinogenesis | 46 | 1.6K | 99 | 146 |
| 642 | sadness | 19 | 1.5K | 13 | 1 |
| 642 | antisocial personality disorder | 19 | 1.5K | 13 | 1 |
| 644 | Oxidation-reduction | 22 | 1.5K | 153 | 180 |
| 645 | Bioenergetics | 41 | 1.5K | 92 | 130 |
| 645 | Pharmacogenetics | 50 | 1.5K | 70 | 128 |
| 647 | Pregnancy | 64 | 1.5K | 32 | 57 |
| 648 | Human-Computer Interaction | 70 | 1.5K | 66 | 146 |
| 648 | Energy metabolism | 40 | 1.5K | 81 | 120 |
| 650 | Immunogenetics | 51 | 1.5K | 43 | 55 |
| 651 | international cooperation | 44 | 1.5K | 37 | 59 |
| 652 | Infection control | 59 | 1.5K | 26 | 41 |
| 653 | Comparative Physiology | 35 | 1.5K | 122 | 104 |
| 654 | Magnetic Resonance Imaging | 48 | 1.5K | 39 | 51 |
| 654 | preventive medicine | 38 | 1.5K | 213 | 230 |
| 656 | organization | 31 | 1.5K | 142 | 209 |
| 657 | Ethnic Conflict | 62 | 1.5K | 4 | 8 |
| 657 | forced migration | 62 | 1.5K | 4 | 8 |
| 659 | Risk Management | 47 | 1.5K | 32 | 50 |
| 660 | Serology | 86 | 1.5K | 10 | 22 |
| 661 | freshwater biology | 33 | 1.5K | 122 | 117 |
| 662 | Experimental Psychology | 28 | 1.5K | 116 | 105 |
| 663 | Glaciology | 47 | 1.5K | 14 | 17 |
| 664 | glaciers | 46 | 1.5K | 15 | 17 |
| 664 | Culture | 85 | 1.5K | 63 | 54 |
| 666 | curriculum evaluation | 47 | 1.5K | 6 | 6 |
| 667 | Molecular Spectroscopy | 55 | 1.5K | 179 | 156 |
| 668 | Architecture | 24 | 1.4K | 107 | 8 |
| 668 | Radiation Oncology | 22 | 1.4K | 42 | 12 |
| 670 | language | 56 | 1.4K | 74 | 125 |
| 671 | construction | 22 | 1.4K | 22 | 5 |
| 672 | Neurotoxicology | 40 | 1.4K | 23 | 30 |
| 673 | Forest Ecology | 33 | 1.4K | 195 | 196 |
| 674 | International Law | 192 | 1.4K | 1 | 1 |
| 674 | Fisheries | 55 | 1.4K | 241 | 273 |
| 676 | Automation | 37 | 1.4K | 555 | 572 |
| 677 | Cross-Cultural Studies | 43 | 1.4K | 26 | 24 |
| 678 | Nursing | 39 | 1.4K | 316 | 165 |
| 679 | Genetic algorithms | 9 | 1.4K | 126 | 97 |
| 679 | Marine Pollution | 21 | 1.4K | 331 | 209 |
| 679 | Evolutionary Computation | 9 | 1.4K | 167 | 102 |
| 679 | Autism | 33 | 1.4K | 125 | 137 |
| 683 | Geodesy | 25 | 1.4K | 107 | 45 |
| 684 | Parenteral nutrition | 41 | 1.4K | 125 | 222 |
| 684 | Population Dynamics | 20 | 1.4K | 9 | 8 |
| 686 | Organizational change | 21 | 1.4K | 101 | 47 |
| 687 | Intercultural Communication | 39 | 1.4K | 11 | 12 |
| 688 | Heart Failure | 20 | 1.3K | 99 | 66 |
| 689 | Androgens | 12 | 1.3K | 53 | 14 |
| 690 | Chemical Oceanography | 31 | 1.3K | 42 | 71 |
| 691 | Enteral nutrition | 38 | 1.3K | 78 | 175 |
| 692 | crime | 67 | 1.3K | 36 | 70 |
| 693 | Elderly | 60 | 1.3K | 188 | 68 |
| 693 | Decision making | 54 | 1.3K | 136 | 227 |
| 695 | heredity | 46 | 1.3K | 49 | 51 |
| 696 | Human evolution | 21 | 1.3K | 104 | 91 |
| 697 | Criminal psychology | 38 | 1.3K | 125 | 101 |
| 698 | environmental issues | 30 | 1.3K | 25 | 31 |
| 699 | Computer Science | 58 | 1.3K | 201 | 150 |
| 700 | Social History | 89 | 1.3K | 6 | 6 |
| 700 | Tropical Medicine | 53 | 1.3K | 208 | 207 |
| 702 | Physical fitness | 26 | 1.3K | 232 | 164 |
| 702 | Hearing | 56 | 1.3K | 91 | 99 |
| 704 | Developmental Immunology | 36 | 1.3K | 74 | 67 |
| 705 | Menopause | 13 | 1.3K | 83 | 16 |
| 706 | Energy Storage | 22 | 1.3K | 374 | 243 |
| 706 | population geography | 40 | 1.3K | 12 | 15 |
| 708 | Mental Health | 119 | 1.3K | 73 | 222 |
| 708 | Entrepreneurship | 28 | 1.3K | 135 | 265 |
| 708 | Molecular ecology | 19 | 1.3K | 392 | 351 |
| 711 | Agricultural Chemistry | 26 | 1.3K | 684 | 498 |
| 712 | monoclonal antibodies | 27 | 1.3K | 18 | 13 |
| 713 | data collection | 41 | 1.3K | 60 | 226 |
| 714 | International Relations | 52 | 1.3K | 170 | 135 |
| 715 | Hydrogeology | 36 | 1.3K | 83 | 47 |
| 716 | Probability | 34 | 1.3K | 60 | 66 |
| 717 | Speech Perception | 14 | 1.3K | 109 | 58 |
| 717 | auditory perception | 14 | 1.3K | 129 | 65 |
| 717 | Oral communication | 14 | 1.3K | 99 | 22 |
| 720 | Astrocytes | 20 | 1.3K | 98 | 108 |
| 721 | drug evaluation | 61 | 1.3K | 61 | 103 |
| 722 | Risk | 31 | 1.3K | 54 | 77 |
| 723 | mutagens | 30 | 1.3K | 138 | 184 |
| 724 | carcinogens | 29 | 1.3K | 166 | 185 |
| 725 | Digestive system diseases | 26 | 1.3K | 223 | 121 |
| 726 | Zeolites | 24 | 1.2K | 170 | 118 |
| 727 | Energy Consumption | 30 | 1.2K | 32 | 54 |
| 728 | Plant genetic engineering | 24 | 1.2K | 216 | 216 |
| 728 | hygiene | 39 | 1.2K | 31 | 33 |
| 730 | behavior modification | 12 | 1.2K | 163 | 92 |
| 731 | Raman spectroscopy | 39 | 1.2K | 52 | 51 |
| 732 | software | 28 | 1.2K | 130 | 106 |
| 733 | Agricultural systems | 16 | 1.2K | 78 | 43 |
| 734 | community development | 29 | 1.2K | 52 | 27 |
| 735 | child behavior | 14 | 1.2K | 115 | 56 |
| 736 | Carbon | 15 | 1.2K | 497 | 377 |
| 737 | Remote Sensing | 42 | 1.2K | 180 | 109 |
| 738 | Eating Disorders | 43 | 1.2K | 119 | 152 |
| 739 | Medical Imaging | 34 | 1.2K | 45 | 51 |
| 740 | role | 24 | 1.2K | 52 | 50 |
| 741 | Geometry | 73 | 1.2K | 100 | 63 |
| 742 | Urban Planning | 28 | 1.2K | 26 | 32 |
| 743 | Veterinary Pathology | 72 | 1.2K | 7 | 8 |
| 744 | Financial management | 27 | 1.2K | 51 | 70 |
| 745 | psychopathology | 24 | 1.2K | 66 | 79 |
| 746 | Oligosaccharides | 41 | 1.2K | 4 | 10 |
| 747 | Informatics | 30 | 1.2K | 99 | 129 |
| 748 | Neuroendocrinology | 9 | 1.2K | 28 | 28 |
| 749 | Feeding and Eating Disorders | 42 | 1.2K | 109 | 147 |
| 750 | Electrical Engineering | 140 | 1.2K | 373 | 579 |
| 751 | Antioxidants | 20 | 1.2K | 138 | 180 |
| 751 | dissociative disorders | 18 | 1.2K | 9 | 2 |
| 753 | Geographic information systems | 59 | 1.2K | 55 | 58 |
| 754 | Homeostasis | 7 | 1.2K | 227 | 348 |
| 755 | Evolutionary economics | 17 | 1.2K | 11 | 9 |
| 756 | Metallurgy | 38 | 1.1K | 593 | 561 |
| 757 | Synaptic Transmission | 60 | 1.1K | 17 | 55 |
| 758 | Pharmacognosy | 24 | 1.1K | 522 | 415 |
| 758 | bees | 37 | 1.1K | 37 | 52 |
| 760 | Hydrometeorology | 13 | 1.1K | 69 | 53 |
| 761 | Oxidative stress | 24 | 1.1K | 211 | 247 |
| 761 | Entomology | 28 | 1.1K | 721 | 434 |
| 763 | Geriatric Pharmacology | 32 | 1.1K | 9 | 11 |
| 764 | Information Technology | 50 | 1.1K | 310 | 490 |
| 765 | Groundwater | 41 | 1.1K | 82 | 80 |
| 766 | ethnic groups | 28 | 1.1K | 22 | 13 |
| 767 | Sustainable agriculture | 18 | 1.1K | 152 | 84 |
| 768 | Cell metabolism | 9 | 1.1K | 289 | 361 |
| 769 | Medicinal plants | 23 | 1.1K | 331 | 285 |
| 770 | cell adhesion molecules | 27 | 1.1K | 46 | 40 |
| 771 | blood transfusion | 42 | 1.1K | 106 | 96 |
| 772 | Multimedia Systems | 17 | 1.1K | 659 | 224 |
| 772 | biological monitoring | 34 | 1.1K | 27 | 41 |
| 774 | Music | 58 | 1.1K | 58 | 56 |
| 774 | Globalization | 28 | 1.1K | 47 | 41 |
| 776 | polar regions | 26 | 1.1K | 129 | 81 |
| 777 | educational planning | 14 | 1.1K | 82 | 31 |
| 778 | industrial relations | 54 | 1.1K | 81 | 92 |
| 779 | DNA polymerases | 14 | 1.1K | 139 | 236 |
| 780 | Smoking | 36 | 1.1K | 147 | 169 |
| 781 | Bifurcation Theory | 18 | 1.1K | 134 | 43 |
| 781 | migration policy | 25 | 1.1K | 12 | 25 |
| 783 | Econometrics | 31 | 1.1K | 332 | 310 |
| 784 | Industrial Engineering | 17 | 1.0K | 725 | 377 |
| 785 | intergroup relations | 36 | 1.0K | 7 | 18 |
| 786 | Endocrine glands | 10 | 1.0K | 77 | 74 |
| 787 | Photonics | 30 | 1.0K | 607 | 649 |
| 788 | locomotion | 16 | 1.0K | 166 | 97 |
| 788 | posture | 16 | 1.0K | 166 | 97 |
| 788 | gait | 16 | 1.0K | 166 | 97 |
| 788 | walking | 16 | 1.0K | 166 | 97 |
| 792 | Industrial Ecology | 21 | 1.0K | 18 | 32 |
| 793 | Acarology | 20 | 1.0K | 46 | 15 |
| 793 | Mites | 20 | 1.0K | 92 | 24 |
| 793 | Ticks | 20 | 1.0K | 55 | 15 |
| 793 | Acari | 20 | 1.0K | 44 | 15 |
| 797 | Archaeology | 31 | 1.0K | 353 | 236 |
| 798 | catalytic activity | 24 | 1.0K | 111 | 114 |
| 799 | Applied Linguistics | 63 | 1.0K | 17 | 49 |
| 799 | Social Issues | 26 | 1.0K | 22 | 29 |
| 801 | European Union | 17 | 1.0K | 26 | 10 |
| 802 | Cardiac electrophysiology | 20 | 1.0K | 48 | 31 |
| 802 | Energy Harvesting | 12 | 1.0K | 188 | 190 |
| 802 | arrhythmia | 20 | 1.0K | 48 | 31 |
| 805 | immigration | 19 | 1.0K | 18 | 26 |
| 805 | Asylum seeker | 19 | 1.0K | 18 | 26 |
| 807 | Combinatorial chemistry | 18 | 993 | 234 | 215 |
| 808 | drug resistance | 42 | 991 | 20 | 70 |
| 809 | Familial diseases | 46 | 990 | 4 | 10 |
| 810 | Radiology | 53 | 983 | 200 | 222 |
| 811 | Higher Education | 37 | 981 | 49 | 44 |
| 812 | Agronomy | 7 | 979 | 311 | 144 |
| 812 | Consciousness | 38 | 979 | 23 | 58 |
| 814 | Histocompatibility Testing | 31 | 976 | 43 | 41 |
| 815 | Business Ethics | 23 | 958 | 179 | 335 |
| 816 | Geriatric Psychiatry | 44 | 957 | 139 | 218 |
| 817 | Chemical analysis | 12 | 953 | 491 | 169 |
| 818 | Fluid Mechanics | 35 | 951 | 422 | 390 |
| 819 | nuclear astrophysics | 7 | 949 | 272 | 88 |
| 820 | Otolaryngology | 35 | 946 | 87 | 98 |
| 821 | Particle Physics | 17 | 944 | 237 | 78 |
| 821 | Forest Management | 23 | 944 | 265 | 259 |
| 823 | Pediatric Rheumatology | 75 | 941 | 1 | 4 |
| 824 | biofuels | 11 | 940 | 93 | 76 |
| 825 | Bacteria | 13 | 934 | 90 | 93 |
| 826 | Logic | 70 | 932 | 6 | 17 |
| 827 | Family Therapy | 27 | 931 | 145 | 96 |
| 828 | Forensic Psychiatry | 29 | 928 | 89 | 55 |
| 829 | Software Engineering | 41 | 927 | 154 | 229 |
| 830 | pain management | 35 | 926 | 69 | 78 |
| 830 | Computational Complexity | 38 | 926 | 72 | 36 |
| 832 | Corporate Social Responsibility | 6 | 924 | 96 | 18 |
| 832 | environmental auditing | 6 | 924 | 99 | 18 |
| 834 | Industrial Policy | 28 | 919 | 36 | 64 |
| 835 | Phonetics | 32 | 917 | 38 | 44 |
| 836 | Discourse Analysis | 31 | 916 | 13 | 30 |
| 836 | Knowledge | 49 | 916 | 32 | 43 |
| 838 | Physical Geography | 14 | 915 | 150 | 50 |
| 839 | child mental health | 23 | 907 | 81 | 40 |
| 840 | Technological Innovations | 27 | 906 | 124 | 108 |
| 841 | Pancreatic diseases | 30 | 896 | 35 | 35 |
| 842 | Global Health | 39 | 889 | 122 | 112 |
| 843 | Artificial Organs | 30 | 886 | 113 | 64 |
| 844 | Criminal Law | 25 | 885 | 22 | 26 |
| 844 | air quality management | 25 | 885 | 35 | 56 |
| 846 | ethnicity | 23 | 882 | 133 | 34 |
| 847 | Atomic spectroscopy | 22 | 881 | 326 | 204 |
| 848 | Humanities | 47 | 880 | 131 | 78 |
| 848 | Women's health | 31 | 880 | 212 | 189 |
| 850 | Infrared spectroscopy | 22 | 873 | 18 | 12 |
| 851 | atmosphere | 25 | 872 | 137 | 118 |
| 852 | Urban Economics | 8 | 871 | 150 | 88 |
| 852 | Behavioral Genetics | 23 | 871 | 38 | 48 |
| 852 | hydrocolloids | 12 | 871 | 239 | 222 |
| 855 | Synchrotron Radiation | 22 | 868 | 83 | 46 |
| 855 | indoor air pollution | 23 | 868 | 50 | 59 |
| 855 | Ventilation | 23 | 868 | 84 | 70 |
| 855 | Sick building syndrome | 23 | 868 | 50 | 59 |
| 859 | Human Rights | 53 | 858 | 18 | 37 |
| 859 | probabilities | 44 | 858 | 256 | 181 |
| 861 | Bipolar Disorder | 34 | 856 | 52 | 97 |
| 861 | Extracellular matrix | 5 | 856 | 156 | 69 |
| 861 | collagen | 5 | 856 | 164 | 72 |
| 864 | mathematical analysis | 42 | 854 | 677 | 443 |
| 865 | Soil | 4 | 852 | 58 | 16 |
| 865 | tests | 27 | 852 | 8 | 17 |
| 867 | Bilingualism | 20 | 851 | 22 | 28 |
| 868 | Pharmacy management | 31 | 838 | 26 | 14 |
| 869 | particles | 12 | 836 | 340 | 105 |
| 870 | Cerebellum | 20 | 833 | 39 | 54 |
| 870 | Cerebellar ataxia | 20 | 833 | 39 | 54 |
| 872 | cardiac catheterization | 47 | 831 | 92 | 126 |
| 873 | Gastrointestinal diseases | 22 | 830 | 99 | 54 |
| 874 | Surface properties | 17 | 829 | 292 | 250 |
| 875 | Solitons | 6 | 823 | 721 | 141 |
| 875 | Fractals | 6 | 823 | 874 | 164 |
| 875 | Chaos | 6 | 823 | 721 | 141 |
| 878 | Emerging infectious diseases | 16 | 819 | 55 | 40 |
| 879 | Cell death | 23 | 815 | 353 | 550 |
| 880 | Child welfare | 51 | 814 | 116 | 186 |
| 881 | Antiviral agents | 23 | 810 | 44 | 39 |
| 882 | Health promotion | 24 | 807 | 369 | 360 |
| 883 | Political Psychology | 18 | 804 | 77 | 88 |
| 884 | reasoning | 45 | 803 | 8 | 28 |
| 885 | Operations Research | 38 | 801 | 540 | 635 |
| 885 | individual differences | 22 | 801 | 22 | 42 |
| 887 | coal | 12 | 797 | 759 | 557 |
| 888 | administrative agencies | 26 | 792 | 27 | 25 |
| 889 | sports injuries | 17 | 787 | 129 | 36 |
| 890 | Social work | 49 | 786 | 221 | 242 |
| 891 | Mental Health Services | 28 | 785 | 306 | 276 |
| 891 | Quantum theory | 24 | 785 | 207 | 160 |
| 893 | Soil ecology | 24 | 778 | 129 | 202 |
| 894 | Robotics | 24 | 776 | 520 | 443 |
| 894 | Nutrition physiology | 19 | 776 | 166 | 169 |
| 894 | Travel | 25 | 776 | 140 | 103 |
| 897 | Environmental risk assessment | 23 | 770 | 29 | 32 |
| 898 | Precision medicine | 27 | 768 | 10 | 12 |
| 899 | Cognitive Therapy | 28 | 763 | 106 | 128 |
| 900 | Language Development | 30 | 758 | 10 | 38 |
| 901 | organized crime | 22 | 757 | 6 | 1 |
| 902 | Product life cycle | 15 | 756 | 58 | 65 |
| 902 | green products | 15 | 756 | 54 | 65 |
| 904 | Hemostasis | 31 | 751 | 94 | 102 |
| 905 | Semiconductors | 25 | 750 | 586 | 381 |
| 906 | Second Language Acquisition | 10 | 749 | 55 | 44 |
| 906 | hazard mitigation | 9 | 749 | 396 | 154 |
| 906 | Hospitals | 25 | 749 | 136 | 122 |
| 909 | psychophysics | 36 | 748 | 19 | 33 |
| 910 | ethanol | 22 | 746 | 85 | 79 |
| 911 | Computational Chemistry | 22 | 745 | 108 | 189 |
| 912 | Marine resources | 20 | 744 | 111 | 89 |
| 912 | Sun | 27 | 744 | 108 | 128 |
| 914 | mutation | 14 | 737 | 171 | 166 |
| 915 | Special Education | 14 | 735 | 269 | 127 |
| 916 | Emergency Medicine | 47 | 733 | 225 | 284 |
| 916 | voice | 20 | 733 | 86 | 52 |
| 918 | Autoimmune diseases | 26 | 731 | 94 | 144 |
| 919 | Marine Geology | 21 | 728 | 142 | 137 |
| 920 | Fuzzy systems | 36 | 723 | 191 | 160 |
| 921 | Landscape Ecology | 17 | 722 | 92 | 132 |
| 921 | Petroleum Geology | 20 | 722 | 138 | 145 |
| 923 | Community Psychology | 35 | 721 | 64 | 176 |
| 923 | Exercise | 22 | 721 | 395 | 312 |
| 925 | Stress | 16 | 719 | 15 | 13 |
| 926 | exobiology | 9 | 718 | 122 | 83 |
| 927 | Lung Transplantation | 26 | 714 | 95 | 135 |
| 927 | Heart transplantation | 26 | 714 | 95 | 135 |
| 929 | Early Childhood Education | 33 | 712 | 64 | 69 |
| 930 | Granular materials | 4 | 711 | 466 | 60 |
| 931 | Sites | 9 | 709 | 267 | 174 |
| 932 | health behavior | 33 | 708 | 183 | 250 |
| 933 | Social perception | 17 | 707 | 11 | 24 |
| 933 | Ocean Engineering | 18 | 707 | 642 | 517 |
| 935 | soil management | 14 | 706 | 158 | 142 |
| 936 | Positive Psychology | 6 | 705 | 74 | 42 |
| 937 | Information Systems | 42 | 704 | 133 | 308 |
| 937 | Thorax | 14 | 704 | 140 | 127 |
| 939 | Food preferences | 21 | 701 | 54 | 76 |
| 940 | Mass Media | 36 | 695 | 149 | 60 |
| 941 | biochemical markers | 32 | 694 | 58 | 64 |
| 941 | Minerals | 30 | 694 | 62 | 98 |
| 943 | Paleobotany | 17 | 693 | 20 | 18 |
| 943 | Vegetation dynamics | 17 | 693 | 19 | 18 |
| 945 | Surface-Active Agents | 9 | 689 | 510 | 274 |
| 945 | consumer behavior | 9 | 689 | 203 | 152 |
| 947 | Scandinavia | 34 | 688 | 92 | 160 |
| 948 | Coastal zone management | 21 | 686 | 95 | 94 |
| 949 | Discrete geometry | 34 | 685 | 26 | 27 |
| 950 | Drug delivery devices | 12 | 684 | 25 | 30 |
| 951 | Long-Term Care | 16 | 681 | 149 | 171 |
| 951 | Long-term care facilities | 16 | 681 | 148 | 171 |
| 953 | Ethnology | 51 | 679 | 187 | 217 |
| 954 | Conservation Biology | 10 | 678 | 558 | 403 |
| 955 | motor skills | 8 | 677 | 76 | 36 |
| 956 | calcification | 13 | 671 | 185 | 149 |
| 957 | Chemical structure | 6 | 669 | 279 | 24 |
| 958 | Tourism | 24 | 664 | 404 | 561 |
| 958 | motivation | 12 | 664 | 97 | 86 |
| 960 | food contamination | 21 | 663 | 178 | 130 |
| 961 | Marine Ecology | 38 | 661 | 94 | 137 |
| 961 | Orthopedic Surgery | 27 | 661 | 153 | 201 |
| 963 | Industrial Safety | 13 | 658 | 407 | 235 |
| 964 | Amyloidosis | 23 | 654 | 23 | 24 |
| 965 | Emotion | 10 | 651 | 61 | 58 |
| 966 | Clinical Trials | 19 | 650 | 136 | 106 |
| 967 | Systems Engineering | 20 | 647 | 750 | 604 |
| 968 | Geothermal Energy | 13 | 646 | 56 | 32 |
| 969 | Hematopoietic stem cell transplantation | 23 | 642 | 37 | 90 |
| 969 | Crisis management | 8 | 642 | 27 | 7 |
| 971 | Radio | 8 | 639 | 993 | 609 |
| 972 | Neurolinguistics | 20 | 638 | 86 | 130 |
| 972 | environmental indicators | 18 | 638 | 264 | 346 |
| 974 | Algae | 20 | 634 | 223 | 250 |
| 975 | China | 42 | 633 | 592 | 770 |
| 976 | environmental control | 14 | 632 | 44 | 32 |
| 977 | Urban Geography | 24 | 623 | 29 | 30 |
| 978 | Soil Mechanics | 13 | 621 | 531 | 427 |
| 979 | Industrial Sociology | 11 | 619 | 50 | 28 |
| 979 | Statistical Mechanics | 15 | 619 | 398 | 139 |
| 981 | Cell survival | 16 | 618 | 18 | 31 |
| 981 | molecular chaperones | 16 | 618 | 19 | 31 |
| 983 | Fishery resources | 35 | 617 | 54 | 140 |
| 984 | Labor Economics | 16 | 613 | 100 | 84 |
| 984 | Bibliometrics | 6 | 613 | 58 | 29 |
| 984 | Autoantibodies | 21 | 613 | 105 | 164 |
| 987 | International Finance | 29 | 612 | 343 | 464 |
| 988 | Freeze-Drying | 11 | 608 | 96 | 51 |
| 988 | Hypothermia | 11 | 608 | 96 | 51 |
| 988 | Freeze Drying | 11 | 608 | 96 | 51 |
| 991 | prostaglandins | 12 | 606 | 166 | 88 |
| 992 | Evidence-Based Medicine | 24 | 600 | 246 | 214 |
| 993 | Pharmacogenomics | 22 | 599 | 17 | 45 |
| 994 | Contraception | 26 | 598 | 112 | 133 |
| 994 | Corporate governance | 24 | 598 | 23 | 87 |
| 996 | Ergonomics | 26 | 595 | 260 | 245 |
| 997 | Fluid Dynamics | 22 | 594 | 348 | 325 |
| 998 | Juvenile delinquency | 21 | 593 | 64 | 47 |
| 999 | Sea | 34 | 592 | 52 | 137 |
| 999 | mental processes | 23 | 592 | 46 | 50 |