| 1 | Biology | 2,936 | 289.8K | 82 | 87 |
| 2 | Physics | 3,580 | 288.0K | 95 | 94 |
| 3 | Science | 3,016 | 270.3K | 78 | 100 |
| 4 | Biochemistry | 3,431 | 166.0K | 65 | 72 |
| 5 | Chemistry | 2,638 | 165.2K | 112 | 109 |
| 6 | Natural history | 679 | 145.4K | 69 | 92 |
| 7 | Molecular Biology | 2,182 | 136.2K | 70 | 97 |
| 8 | Medicine | 2,357 | 123.8K | 112 | 124 |
| 9 | Ecology | 1,567 | 113.7K | 49 | 48 |
| 10 | Human genetics | 419 | 108.6K | 64 | 54 |
| 11 | Research | 2,280 | 97.5K | 59 | 57 |
| 12 | Astrophysics | 1,214 | 92.1K | 111 | 97 |
| 13 | Astronomy | 1,072 | 81.4K | 108 | 87 |
| 14 | Neurology | 1,050 | 76.5K | 151 | 126 |
| 15 | Genetics | 780 | 74.7K | 70 | 57 |
| 16 | Microbiology | 1,085 | 73.1K | 119 | 113 |
| 17 | Solid State Physics | 2,008 | 70.5K | 38 | 41 |
| 18 | Condensed Matter | 1,898 | 69.5K | 37 | 42 |
| 19 | Pharmacology | 1,477 | 68.2K | 33 | 25 |
| 20 | Nuclear Physics | 2,089 | 63.4K | 69 | 105 |
| 21 | Cytology | 675 | 54.6K | 129 | 151 |
| 22 | Cell Biology | 534 | 49.5K | 151 | 158 |
| 23 | Biophysics | 1,122 | 47.2K | 76 | 64 |
| 24 | Biotechnology | 371 | 44.0K | 246 | 93 |
| 25 | Materials | 770 | 44.0K | 228 | 180 |
| 26 | Computational Biology | 210 | 43.6K | 89 | 24 |
| 27 | Immunology | 778 | 40.3K | 60 | 100 |
| 28 | Diabetes | 485 | 39.7K | 22 | 20 |
| 29 | Metabolism | 475 | 39.6K | 69 | 51 |
| 30 | genome | 117 | 38.4K | 89 | 26 |
| 31 | Physiology | 1,125 | 37.9K | 42 | 71 |
| 32 | Evolution | 510 | 37.6K | 9 | 8 |
| 33 | Psychiatry | 599 | 37.6K | 122 | 95 |
| 34 | Endocrinology | 535 | 37.5K | 85 | 78 |
| 35 | Diabetes mellitus | 442 | 37.3K | 22 | 18 |
| 36 | Pharmaceutical Chemistry | 678 | 36.8K | 33 | 27 |
| 37 | biological evolution | 531 | 36.1K | 16 | 33 |
| 38 | Bioinformatics | 119 | 35.8K | 141 | 23 |
| 39 | Bioengineering | 197 | 35.7K | 301 | 85 |
| 40 | Cancer | 627 | 34.9K | 77 | 87 |
| 41 | Botany | 891 | 33.6K | 60 | 93 |
| 42 | Environment | 432 | 33.5K | 168 | 150 |
| 43 | Nutrition | 424 | 33.1K | 108 | 38 |
| 44 | Aging | 163 | 33.0K | 212 | 17 |
| 45 | Spectrum analysis | 593 | 32.6K | 156 | 173 |
| 46 | Pharmacy | 462 | 32.5K | 18 | 5 |
| 47 | Medical genetics | 440 | 31.4K | 94 | 92 |
| 48 | Virology | 451 | 31.4K | 102 | 170 |
| 49 | Biochemical Engineering | 111 | 31.2K | 376 | 77 |
| 50 | Psychology | 730 | 30.6K | 107 | 116 |
| 51 | Geophysics | 793 | 29.5K | 116 | 127 |
| 52 | Public Health | 801 | 28.8K | 101 | 135 |
| 53 | Geriatrics | 157 | 28.0K | 242 | 36 |
| 54 | Environmental Health | 457 | 26.4K | 158 | 136 |
| 55 | Nanotechnology | 549 | 26.1K | 203 | 233 |
| 56 | Toxicology | 652 | 25.6K | 60 | 51 |
| 57 | Molecular Genetics | 376 | 25.3K | 11 | 12 |
| 58 | Molecular ecology | 287 | 24.5K | 2 | 3 |
| 59 | drug therapy | 470 | 24.0K | 32 | 21 |
| 60 | Psychophysiology | 349 | 23.8K | 128 | 99 |
| 61 | Signal Processing | 292 | 23.8K | 113 | 62 |
| 62 | Animal Behavior | 372 | 23.3K | 40 | 36 |
| 63 | Epidemiology | 710 | 23.0K | 53 | 80 |
| 64 | Biocompatible Materials | 428 | 22.6K | 134 | 141 |
| 65 | Behavior | 285 | 22.0K | 144 | 89 |
| 66 | Materials Science | 481 | 21.5K | 203 | 190 |
| 67 | Surgery | 227 | 20.7K | 101 | 92 |
| 68 | human behavior | 286 | 20.4K | 68 | 67 |
| 69 | Pathology | 540 | 20.4K | 20 | 47 |
| 70 | Computational Chemistry | 34 | 20.2K | 47 | 12 |
| 71 | Ethology | 299 | 20.0K | 32 | 25 |
| 72 | Bacteriology | 303 | 19.9K | 50 | 67 |
| 73 | Genomics | 458 | 19.9K | 35 | 52 |
| 74 | Population Genetics | 295 | 19.8K | 6 | 7 |
| 75 | Clinical Chemistry | 428 | 19.7K | 32 | 37 |
| 76 | Mental Disorders | 371 | 19.6K | 84 | 96 |
| 77 | Nanostructured Materials | 479 | 19.5K | 76 | 85 |
| 78 | Hematology | 398 | 19.1K | 158 | 155 |
| 79 | Metabolic diseases | 274 | 18.9K | 100 | 108 |
| 80 | Microbial Ecology | 196 | 18.7K | 99 | 83 |
| 81 | Pollution | 360 | 18.7K | 233 | 269 |
| 82 | Catalysis | 464 | 18.6K | 139 | 183 |
| 83 | Electrochemistry | 604 | 18.4K | 96 | 74 |
| 84 | Parenteral nutrition | 107 | 17.7K | 31 | 7 |
| 85 | Solar Energy | 251 | 17.6K | 6 | 5 |
| 86 | Physical Chemistry | 255 | 17.2K | 47 | 38 |
| 87 | Geology | 428 | 16.9K | 122 | 123 |
| 88 | solar cells | 212 | 16.7K | 5 | 5 |
| 89 | Molecular evolution | 315 | 16.7K | 9 | 31 |
| 90 | Enteral nutrition | 97 | 16.5K | 20 | 7 |
| 91 | Cardiovascular system | 168 | 16.5K | 108 | 98 |
| 92 | Data Mining | 54 | 16.3K | 123 | 8 |
| 93 | Colloids | 389 | 16.2K | 142 | 122 |
| 94 | data collection | 42 | 16.2K | 81 | 7 |
| 95 | Neurophysiology | 267 | 16.2K | 178 | 172 |
| 96 | Brain | 322 | 16.0K | 113 | 115 |
| 97 | Hydrology | 235 | 15.8K | 75 | 43 |
| 98 | Hypertension | 166 | 15.6K | 117 | 87 |
| 99 | Immunity | 324 | 15.4K | 47 | 178 |
| 100 | gene mapping | 217 | 15.3K | 55 | 51 |
| 101 | International Relations | 236 | 15.3K | 12 | 1 |
| 102 | Polymers | 319 | 14.6K | 320 | 240 |
| 103 | Therapeutics | 296 | 14.5K | 28 | 38 |
| 104 | Analytical Chemistry | 429 | 14.5K | 139 | 150 |
| 105 | solar power | 176 | 14.5K | 4 | 3 |
| 106 | drugs | 330 | 14.4K | 15 | 7 |
| 107 | Surface Chemistry | 393 | 14.4K | 133 | 130 |
| 108 | Europe | 572 | 14.4K | 29 | 26 |
| 109 | peace | 162 | 14.2K | 2 | 2 |
| 110 | Developmental Biology | 210 | 14.2K | 119 | 131 |
| 111 | Molecular structure | 178 | 14.1K | 57 | 47 |
| 112 | Organic Chemistry | 300 | 14.0K | 91 | 59 |
| 113 | Oceanography | 191 | 13.9K | 119 | 69 |
| 114 | management | 248 | 13.5K | 125 | 179 |
| 115 | Chemical Engineering | 189 | 12.9K | 522 | 299 |
| 116 | Earth Sciences | 186 | 12.8K | 184 | 112 |
| 117 | Plant Ecology | 220 | 12.4K | 23 | 26 |
| 118 | Pharmaceutical Technology | 253 | 12.4K | 8 | 4 |
| 119 | Diet | 163 | 12.0K | 114 | 78 |
| 120 | Meteorology | 238 | 12.0K | 137 | 142 |
| 121 | Economics | 345 | 12.0K | 196 | 165 |
| 122 | United States | 160 | 11.7K | 473 | 226 |
| 123 | conflict management | 112 | 11.7K | 2 | 1 |
| 124 | International security | 107 | 11.7K | 1 | 1 |
| 125 | Statistics | 200 | 11.6K | 149 | 86 |
| 126 | Nervous system | 153 | 11.6K | 172 | 131 |
| 127 | Statistical physics | 444 | 11.4K | 147 | 177 |
| 128 | Proteome | 139 | 11.3K | 25 | 16 |
| 129 | Pharmacokinetics | 253 | 11.3K | 4 | 1 |
| 130 | Energy Conversion | 156 | 11.3K | 51 | 87 |
| 131 | Geography | 306 | 11.2K | 50 | 46 |
| 132 | psychotherapy | 189 | 11.1K | 34 | 35 |
| 133 | Mathematics | 573 | 11.0K | 240 | 162 |
| 134 | Neurochemistry | 183 | 11.0K | 161 | 116 |
| 135 | Clinical Pharmacology | 288 | 11.0K | 14 | 10 |
| 136 | Electronics | 293 | 10.8K | 187 | 146 |
| 137 | polymerization | 221 | 10.7K | 354 | 230 |
| 138 | United Kingdom | 178 | 10.7K | 53 | 37 |
| 139 | Perception | 209 | 10.7K | 100 | 63 |
| 140 | Animal ecology | 185 | 10.5K | 18 | 13 |
| 141 | Technology | 226 | 10.5K | 205 | 100 |
| 142 | Water | 136 | 10.5K | 187 | 133 |
| 143 | Neurobiology | 201 | 10.2K | 88 | 123 |
| 144 | Proteomics | 97 | 10.1K | 26 | 11 |
| 145 | Immune system | 272 | 9.9K | 12 | 110 |
| 146 | nucleic acids | 174 | 9.8K | 85 | 166 |
| 147 | Environmental Chemistry | 125 | 9.7K | 86 | 109 |
| 148 | pain | 188 | 9.7K | 49 | 61 |
| 149 | proteins | 227 | 9.3K | 50 | 65 |
| 150 | Psychopharmacology | 254 | 9.2K | 37 | 96 |
| 151 | Drug delivery systems | 125 | 9.2K | 35 | 18 |
| 152 | Leukemia | 114 | 9.2K | 57 | 55 |
| 153 | Chromosome mapping | 153 | 8.9K | 61 | 59 |
| 154 | Pediatrics | 148 | 8.6K | 207 | 171 |
| 155 | Obesity | 200 | 8.6K | 95 | 100 |
| 156 | Transplantation | 163 | 8.5K | 72 | 75 |
| 157 | Oncology | 168 | 8.5K | 130 | 255 |
| 158 | Learning | 106 | 8.5K | 89 | 46 |
| 159 | Solid State Chemistry | 272 | 8.4K | 43 | 39 |
| 160 | Environmental Policy | 148 | 8.4K | 176 | 181 |
| 161 | Plant physiology | 216 | 8.3K | 64 | 129 |
| 162 | Zoology | 198 | 8.2K | 105 | 61 |
| 163 | Sociology | 236 | 8.2K | 127 | 151 |
| 164 | Environmental Engineering | 135 | 8.2K | 289 | 259 |
| 165 | Obstetrics | 231 | 8.1K | 128 | 118 |
| 166 | Bioorganic chemistry | 194 | 8.1K | 115 | 112 |
| 167 | nanoscience | 177 | 8.0K | 205 | 267 |
| 168 | Histology | 172 | 8.0K | 52 | 64 |
| 169 | Environmental monitoring | 183 | 7.9K | 169 | 187 |
| 170 | Renewable Energy Sources | 127 | 7.9K | 127 | 187 |
| 171 | Planets | 139 | 7.8K | 189 | 160 |
| 172 | Geodynamics | 207 | 7.7K | 13 | 20 |
| 173 | Geochemistry | 180 | 7.7K | 175 | 181 |
| 174 | Automation | 195 | 7.6K | 108 | 165 |
| 175 | Crystallography | 134 | 7.5K | 57 | 35 |
| 176 | Marine Biology | 206 | 7.5K | 142 | 138 |
| 177 | environmental pollution | 206 | 7.5K | 258 | 320 |
| 178 | Diagnostic Imaging | 175 | 7.5K | 71 | 64 |
| 179 | Quantum Gravity | 368 | 7.5K | 150 | 277 |
| 180 | Cell differentiation | 113 | 7.5K | 154 | 217 |
| 181 | Neuropsychology | 150 | 7.4K | 162 | 114 |
| 182 | Biomedical Engineering | 214 | 7.4K | 361 | 356 |
| 183 | Paleontology | 291 | 7.4K | 13 | 19 |
| 184 | plant communities | 127 | 7.3K | 21 | 38 |
| 185 | Human Geography | 137 | 7.3K | 51 | 28 |
| 186 | Analytical Biochemistry | 143 | 7.3K | 27 | 35 |
| 187 | Nuclear Medicine | 203 | 7.2K | 19 | 32 |
| 188 | Molecular Pharmacology | 103 | 7.2K | 17 | 9 |
| 189 | Social behavior | 112 | 7.1K | 56 | 40 |
| 190 | Child psychology | 114 | 7.0K | 150 | 141 |
| 191 | fuel cells | 134 | 7.0K | 62 | 93 |
| 192 | Plants | 208 | 6.8K | 63 | 172 |
| 193 | Mathematical Physics | 288 | 6.8K | 100 | 173 |
| 194 | Mental illness | 118 | 6.8K | 159 | 165 |
| 195 | Critical Care | 104 | 6.7K | 133 | 155 |
| 196 | Pediatric Neurology | 32 | 6.6K | 238 | 106 |
| 197 | Medical Microbiology | 143 | 6.6K | 150 | 193 |
| 198 | Ophthalmology | 148 | 6.6K | 132 | 117 |
| 199 | Critical Care Medicine | 101 | 6.5K | 138 | 159 |
| 200 | water supply | 70 | 6.4K | 100 | 51 |
| 201 | Biodiversity | 154 | 6.4K | 66 | 109 |
| 202 | Biodiversity conservation | 75 | 6.2K | 180 | 204 |
| 203 | Embryology | 112 | 6.2K | 144 | 170 |
| 204 | DNA polymerases | 59 | 6.2K | 32 | 58 |
| 205 | Membranes | 134 | 6.2K | 116 | 128 |
| 206 | Mycology | 128 | 6.1K | 81 | 55 |
| 207 | Cytogenetics | 77 | 6.0K | 165 | 169 |
| 208 | Urology | 66 | 6.0K | 324 | 148 |
| 209 | Pharmacognosy | 94 | 6.0K | 109 | 39 |
| 210 | Genetic engineering | 86 | 6.0K | 171 | 111 |
| 211 | Child Development | 182 | 6.0K | 117 | 174 |
| 212 | energy conservation | 74 | 5.9K | 205 | 148 |
| 213 | Virulence | 46 | 5.7K | 186 | 108 |
| 214 | Molecular Microbiology | 91 | 5.7K | 49 | 74 |
| 215 | environmental protection | 106 | 5.7K | 269 | 198 |
| 216 | Parasitic Diseases | 113 | 5.6K | 102 | 70 |
| 217 | Mass Spectrometry | 150 | 5.5K | 15 | 23 |
| 218 | Primary health care | 263 | 5.5K | 27 | 42 |
| 219 | Environmental Toxicology | 88 | 5.5K | 166 | 126 |
| 220 | arthritis | 104 | 5.5K | 101 | 122 |
| 221 | Anatomy | 107 | 5.4K | 175 | 172 |
| 222 | protein | 87 | 5.4K | 86 | 71 |
| 223 | Sleep Disorders | 150 | 5.4K | 74 | 86 |
| 224 | Neurons | 36 | 5.3K | 133 | 175 |
| 225 | Attention | 174 | 5.3K | 100 | 98 |
| 226 | Sleep | 147 | 5.3K | 78 | 95 |
| 227 | Scandinavia | 287 | 5.3K | 8 | 6 |
| 228 | Optical materials | 126 | 5.3K | 255 | 275 |
| 229 | Memory | 170 | 5.3K | 119 | 151 |
| 230 | Business | 89 | 5.3K | 158 | 204 |
| 231 | Climate change | 47 | 5.2K | 147 | 188 |
| 232 | Water pollution | 111 | 5.2K | 245 | 245 |
| 233 | Eutrophication | 46 | 5.2K | 150 | 188 |
| 234 | Psychometrics | 34 | 5.2K | 69 | 37 |
| 235 | Radiobiology | 156 | 5.2K | 110 | 134 |
| 236 | Energy Policy | 87 | 5.2K | 254 | 216 |
| 237 | Electrophoresis | 158 | 5.1K | 24 | 29 |
| 238 | Ecosystem management | 35 | 5.0K | 68 | 15 |
| 239 | Medical Laboratory Science | 94 | 4.9K | 164 | 178 |
| 240 | Visual Perception | 158 | 4.9K | 107 | 107 |
| 241 | Image Processing | 100 | 4.9K | 224 | 203 |
| 242 | actuators | 138 | 4.9K | 100 | 108 |
| 242 | transducers | 138 | 4.9K | 100 | 108 |
| 244 | natural products | 55 | 4.9K | 190 | 41 |
| 245 | Growth | 82 | 4.9K | 132 | 183 |
| 246 | marketing | 84 | 4.9K | 170 | 182 |
| 247 | Photonics | 45 | 4.9K | 453 | 225 |
| 247 | Host-parasite interactions | 41 | 4.9K | 227 | 159 |
| 249 | gene therapy | 57 | 4.9K | 114 | 58 |
| 250 | Fungi | 84 | 4.8K | 60 | 43 |
| 251 | Thrombosis | 122 | 4.8K | 48 | 60 |
| 252 | infection | 94 | 4.8K | 111 | 78 |
| 253 | Environmental Microbiology | 67 | 4.8K | 93 | 92 |
| 254 | miniaturization | 83 | 4.8K | 225 | 261 |
| 255 | Optics | 228 | 4.7K | 442 | 415 |
| 256 | rehabilitation | 195 | 4.6K | 93 | 156 |
| 257 | Molecular Imaging | 94 | 4.6K | 38 | 47 |
| 258 | Molecules | 171 | 4.6K | 38 | 56 |
| 259 | disease outbreaks | 54 | 4.6K | 31 | 19 |
| 259 | Epidemics | 54 | 4.6K | 30 | 19 |
| 261 | Green Chemistry | 87 | 4.6K | 157 | 159 |
| 262 | Genetic therapy | 65 | 4.5K | 107 | 63 |
| 263 | Radioisotopes | 221 | 4.5K | 5 | 6 |
| 264 | Regional Planning | 126 | 4.5K | 54 | 63 |
| 265 | Long-Term Care | 15 | 4.5K | 179 | 31 |
| 266 | Plant cells | 43 | 4.5K | 260 | 262 |
| 267 | plant molecular biology | 47 | 4.5K | 302 | 244 |
| 268 | Light | 34 | 4.4K | 157 | 115 |
| 269 | Phylogeny | 80 | 4.4K | 37 | 34 |
| 270 | X-ray crystallography | 65 | 4.4K | 37 | 26 |
| 271 | biological factors | 66 | 4.4K | 145 | 51 |
| 272 | Infections | 79 | 4.4K | 66 | 67 |
| 273 | Clinical Laboratory Science | 164 | 4.4K | 10 | 7 |
| 274 | Long-term care facilities | 10 | 4.3K | 257 | 33 |
| 275 | Medical Physics | 126 | 4.3K | 162 | 172 |
| 276 | Nursing | 186 | 4.3K | 48 | 45 |
| 277 | Political Science | 161 | 4.3K | 99 | 109 |
| 277 | software | 98 | 4.3K | 7 | 6 |
| 279 | Chromatographic analysis | 155 | 4.3K | 45 | 30 |
| 280 | viruses | 87 | 4.3K | 189 | 228 |
| 281 | Chromatography | 158 | 4.3K | 24 | 22 |
| 282 | Environmental Law | 69 | 4.3K | 76 | 91 |
| 283 | Telecommunication | 68 | 4.2K | 445 | 280 |
| 284 | Orthopedics | 125 | 4.2K | 111 | 105 |
| 285 | Energy Storage | 122 | 4.2K | 33 | 66 |
| 286 | Social Psychology | 79 | 4.1K | 299 | 273 |
| 287 | Nuclear Fusion | 167 | 4.1K | 55 | 50 |
| 288 | Cardiovascular diseases | 154 | 4.0K | 65 | 84 |
| 289 | Environmental Psychology | 22 | 4.0K | 30 | 11 |
| 290 | Metallurgy | 112 | 4.0K | 267 | 256 |
| 291 | Developmental Immunology | 83 | 4.0K | 12 | 6 |
| 292 | Paleoclimatology | 93 | 4.0K | 61 | 59 |
| 293 | Medical Anthropology | 86 | 3.9K | 113 | 132 |
| 294 | Health Education | 124 | 3.9K | 140 | 131 |
| 295 | Amyloidosis | 50 | 3.9K | 8 | 5 |
| 296 | Child | 144 | 3.9K | 170 | 177 |
| 297 | Reproduction | 126 | 3.9K | 193 | 217 |
| 298 | Cognitive Science | 75 | 3.9K | 111 | 131 |
| 299 | Synaptic Transmission | 93 | 3.8K | 9 | 6 |
| 300 | mathematical analysis | 162 | 3.8K | 121 | 60 |
| 301 | Developmental Psychology | 75 | 3.8K | 100 | 101 |
| 302 | Respiration | 111 | 3.8K | 104 | 137 |
| 303 | Sustainable Engineering | 72 | 3.8K | 139 | 105 |
| 304 | Antigens | 70 | 3.8K | 51 | 41 |
| 305 | Lipids | 76 | 3.7K | 88 | 103 |
| 306 | Food | 89 | 3.7K | 325 | 286 |
| 307 | Economic History | 205 | 3.7K | 140 | 198 |
| 308 | energy resources | 50 | 3.6K | 147 | 150 |
| 309 | Alzheimer's disease | 65 | 3.6K | 245 | 113 |
| 310 | Social Sciences | 191 | 3.6K | 162 | 200 |
| 311 | Health Policy | 143 | 3.6K | 137 | 182 |
| 312 | Radio | 59 | 3.5K | 276 | 211 |
| 313 | Antibodies | 59 | 3.5K | 34 | 20 |
| 314 | Allergy | 74 | 3.5K | 139 | 277 |
| 315 | Recombinant DNA | 60 | 3.5K | 131 | 66 |
| 316 | Drug design | 63 | 3.5K | 93 | 56 |
| 317 | freshwater biology | 87 | 3.5K | 19 | 32 |
| 318 | Education | 181 | 3.5K | 256 | 307 |
| 319 | Climatology | 75 | 3.4K | 243 | 241 |
| 320 | Parasitology | 78 | 3.4K | 249 | 143 |
| 321 | Microelectronics | 84 | 3.4K | 238 | 295 |
| 322 | free radicals | 48 | 3.4K | 192 | 160 |
| 323 | city planning | 98 | 3.4K | 100 | 93 |
| 324 | Quality of life | 71 | 3.4K | 80 | 97 |
| 325 | Metals | 89 | 3.4K | 282 | 284 |
| 326 | Environmental pollutants | 106 | 3.3K | 117 | 145 |
| 327 | Molecular cloning | 54 | 3.3K | 132 | 63 |
| 328 | Medical Oncology | 75 | 3.3K | 267 | 262 |
| 329 | Genetic recombination | 53 | 3.3K | 129 | 64 |
| 330 | Kinetics | 99 | 3.2K | 4 | 4 |
| 331 | Entomology | 76 | 3.2K | 301 | 158 |
| 332 | pain management | 77 | 3.2K | 21 | 18 |
| 333 | Medicinal plants | 44 | 3.2K | 172 | 67 |
| 334 | behavior therapy | 63 | 3.1K | 100 | 80 |
| 335 | feeding behavior | 46 | 3.1K | 75 | 36 |
| 336 | Magnetic Resonance Spectroscopy | 76 | 3.1K | 112 | 78 |
| 337 | Sustainable Development | 42 | 3.1K | 229 | 132 |
| 338 | Cognition | 79 | 3.0K | 233 | 234 |
| 339 | enzymes | 53 | 3.0K | 182 | 110 |
| 339 | Pregnancy | 104 | 3.0K | 12 | 23 |
| 341 | Radiation | 110 | 3.0K | 128 | 108 |
| 342 | Parasites | 52 | 3.0K | 169 | 85 |
| 343 | soil microbiology | 43 | 2.9K | 256 | 238 |
| 344 | Oncogenes | 42 | 2.9K | 243 | 261 |
| 345 | cell physiology | 49 | 2.9K | 244 | 259 |
| 346 | Hormones | 100 | 2.8K | 62 | 124 |
| 347 | Tribology | 74 | 2.8K | 99 | 57 |
| 348 | Birds | 99 | 2.8K | 90 | 60 |
| 349 | Biogeochemistry | 51 | 2.8K | 181 | 179 |
| 350 | Immunopathology | 78 | 2.8K | 120 | 125 |
| 351 | Immunotherapy | 67 | 2.8K | 245 | 319 |
| 351 | nuclear magnetic resonance | 61 | 2.8K | 153 | 93 |
| 353 | Genetic regulation | 47 | 2.8K | 156 | 208 |
| 354 | personality | 50 | 2.7K | 260 | 247 |
| 355 | Conservation Biology | 71 | 2.7K | 79 | 126 |
| 356 | Gerontology | 93 | 2.7K | 217 | 176 |
| 357 | sanitation | 51 | 2.7K | 291 | 387 |
| 358 | fertility | 59 | 2.6K | 140 | 149 |
| 359 | Informatics | 75 | 2.6K | 15 | 44 |
| 360 | Combinatorial chemistry | 36 | 2.6K | 109 | 79 |
| 361 | Developing countries | 116 | 2.6K | 127 | 210 |
| 362 | Appetite | 35 | 2.6K | 77 | 35 |
| 363 | disease vectors | 46 | 2.6K | 91 | 40 |
| 364 | Economic Development | 70 | 2.6K | 134 | 196 |
| 365 | Dementia | 55 | 2.6K | 264 | 125 |
| 366 | Hemostasis | 88 | 2.6K | 22 | 18 |
| 367 | Rheumatology | 73 | 2.6K | 120 | 183 |
| 368 | Medical Ethics | 105 | 2.6K | 67 | 31 |
| 369 | Microorganisms | 24 | 2.6K | 211 | 153 |
| 370 | Infertility | 56 | 2.6K | 139 | 148 |
| 371 | Ornithology | 93 | 2.6K | 62 | 42 |
| 372 | Philosophy | 215 | 2.5K | 59 | 69 |
| 373 | organization | 38 | 2.5K | 112 | 153 |
| 374 | counseling | 64 | 2.5K | 176 | 124 |
| 375 | Eating Disorders | 90 | 2.5K | 61 | 79 |
| 376 | Gene expression regulation | 56 | 2.5K | 87 | 164 |
| 377 | pollutants | 91 | 2.5K | 110 | 180 |
| 378 | human development | 46 | 2.5K | 98 | 85 |
| 379 | Histochemistry | 63 | 2.5K | 51 | 41 |
| 379 | Aquaculture | 40 | 2.5K | 298 | 164 |
| 381 | Health Services Research | 160 | 2.5K | 70 | 176 |
| 382 | Stem cells | 62 | 2.5K | 198 | 235 |
| 383 | Geobiology | 47 | 2.5K | 26 | 6 |
| 384 | Patient education | 60 | 2.5K | 40 | 47 |
| 384 | Muscles | 59 | 2.5K | 77 | 76 |
| 386 | Atmospheric Physics | 111 | 2.4K | 205 | 314 |
| 387 | Feeding and Eating Disorders | 85 | 2.4K | 58 | 77 |
| 388 | Wireless Communication Systems | 76 | 2.4K | 336 | 306 |
| 389 | histological techniques | 37 | 2.4K | 79 | 53 |
| 390 | Vaccines | 58 | 2.4K | 293 | 237 |
| 391 | Autoimmunity | 63 | 2.4K | 39 | 76 |
| 392 | Housing | 64 | 2.4K | 21 | 16 |
| 393 | Audiology | 63 | 2.4K | 97 | 83 |
| 394 | Reproductive health | 139 | 2.4K | 7 | 30 |
| 395 | Archaeology | 96 | 2.4K | 118 | 117 |
| 396 | Cosmology | 28 | 2.3K | 92 | 46 |
| 397 | Pharmacogenetics | 47 | 2.3K | 101 | 80 |
| 398 | Water quality management | 55 | 2.3K | 201 | 94 |
| 399 | vascular diseases | 39 | 2.3K | 113 | 120 |
| 400 | Dermatology | 23 | 2.3K | 626 | 252 |
| 401 | Biogeography | 38 | 2.3K | 142 | 167 |
| 402 | drug resistance | 24 | 2.3K | 86 | 18 |
| 403 | Diagnostic microbiology | 46 | 2.3K | 201 | 292 |
| 404 | Nonlinear Dynamics | 82 | 2.3K | 296 | 309 |
| 405 | Random graphs | 62 | 2.3K | 6 | 4 |
| 406 | Petrology | 81 | 2.2K | 107 | 170 |
| 407 | Biogeochemical cycles | 19 | 2.2K | 116 | 89 |
| 408 | Women's health | 85 | 2.2K | 79 | 78 |
| 409 | Mineralogy | 89 | 2.2K | 151 | 199 |
| 410 | Ventilation | 54 | 2.2K | 24 | 22 |
| 411 | Solar power plants | 36 | 2.2K | 12 | 11 |
| 411 | Photovoltaic Cells | 36 | 2.2K | 12 | 11 |
| 413 | indoor air pollution | 52 | 2.2K | 13 | 19 |
| 413 | Sick building syndrome | 52 | 2.2K | 13 | 19 |
| 415 | Public Policy | 79 | 2.2K | 155 | 184 |
| 416 | commerce | 44 | 2.2K | 165 | 195 |
| 417 | Emotions | 23 | 2.2K | 133 | 76 |
| 418 | Infection control | 76 | 2.2K | 2 | 3 |
| 419 | air quality management | 48 | 2.1K | 15 | 20 |
| 420 | Health | 105 | 2.1K | 179 | 273 |
| 421 | Engineering | 75 | 2.1K | 633 | 466 |
| 421 | Clinical Immunology | 65 | 2.1K | 108 | 113 |
| 423 | Cell death | 37 | 2.1K | 250 | 283 |
| 424 | Radio waves | 22 | 2.1K | 320 | 145 |
| 425 | collagen | 32 | 2.1K | 19 | 26 |
| 426 | Environmental Education | 42 | 2.1K | 8 | 5 |
| 427 | Plant Morphology | 48 | 2.1K | 26 | 8 |
| 428 | Biometrics | 45 | 2.1K | 189 | 131 |
| 429 | Medical Technology | 73 | 2.1K | 86 | 117 |
| 430 | risk factors | 85 | 2.1K | 22 | 58 |
| 431 | Sound | 48 | 2.1K | 142 | 96 |
| 432 | Nanostructures | 53 | 2.1K | 230 | 345 |
| 433 | Biosensors | 56 | 2.1K | 133 | 211 |
| 434 | international cooperation | 46 | 2.1K | 37 | 39 |
| 435 | Developmental Genetics | 24 | 2.1K | 158 | 184 |
| 436 | alcoholism | 89 | 2.1K | 163 | 240 |
| 437 | Extracellular matrix | 30 | 2.0K | 19 | 25 |
| 438 | Adolescent Medicine | 17 | 2.0K | 171 | 110 |
| 439 | Algae | 42 | 2.0K | 100 | 67 |
| 440 | micromechanics | 80 | 2.0K | 21 | 39 |
| 441 | sexual behavior | 35 | 2.0K | 79 | 54 |
| 442 | Plant Taxonomy | 105 | 2.0K | 14 | 18 |
| 443 | Bioethics | 69 | 2.0K | 82 | 29 |
| 444 | Radiology | 57 | 2.0K | 203 | 94 |
| 445 | biopolymers | 51 | 2.0K | 180 | 150 |
| 446 | nuclear astrophysics | 24 | 2.0K | 79 | 38 |
| 447 | environmental exposure | 53 | 2.0K | 195 | 188 |
| 448 | molecular design | 29 | 2.0K | 19 | 15 |
| 449 | Medical innovations | 24 | 1.9K | 216 | 274 |
| 450 | Econometrics | 75 | 1.9K | 126 | 212 |
| 451 | Photochemistry | 47 | 1.9K | 204 | 144 |
| 452 | global environmental change | 33 | 1.9K | 109 | 113 |
| 453 | Contraception | 61 | 1.9K | 57 | 47 |
| 454 | Autoimmune diseases | 57 | 1.9K | 30 | 50 |
| 455 | Music | 23 | 1.9K | 177 | 27 |
| 456 | behavioral medicine | 59 | 1.9K | 149 | 232 |
| 457 | Nuclear Engineering | 179 | 1.9K | 117 | 158 |
| 458 | Microscopy | 64 | 1.9K | 98 | 115 |
| 459 | occupational diseases | 39 | 1.9K | 102 | 82 |
| 460 | probabilities | 141 | 1.9K | 39 | 56 |
| 461 | drug development | 31 | 1.9K | 158 | 246 |
| 462 | Regional Economics | 32 | 1.9K | 27 | 14 |
| 463 | Nanoparticles | 55 | 1.9K | 251 | 295 |
| 464 | Immunochemistry | 45 | 1.9K | 89 | 58 |
| 465 | nuclear magnetic resonance spectroscopy | 24 | 1.9K | 152 | 40 |
| 466 | warfare | 36 | 1.9K | 27 | 30 |
| 467 | Chronic diseases | 39 | 1.9K | 122 | 168 |
| 468 | Neurotoxicology | 40 | 1.9K | 27 | 21 |
| 469 | Autoantibodies | 54 | 1.8K | 28 | 45 |
| 470 | Chemotherapy | 36 | 1.8K | 294 | 172 |
| 471 | Physical organic chemistry | 75 | 1.8K | 70 | 96 |
| 472 | Information Theory | 36 | 1.8K | 301 | 215 |
| 473 | Paleogeography | 60 | 1.8K | 78 | 129 |
| 474 | internet | 47 | 1.8K | 201 | 185 |
| 475 | Molecular Spectroscopy | 47 | 1.8K | 244 | 118 |
| 476 | Signal Transduction | 55 | 1.8K | 148 | 296 |
| 477 | Solar System | 36 | 1.8K | 201 | 154 |
| 478 | cryosphere | 36 | 1.8K | 59 | 63 |
| 479 | Emergency Medicine | 51 | 1.8K | 238 | 149 |
| 480 | Paleoecology | 68 | 1.8K | 80 | 149 |
| 481 | War and Society | 31 | 1.8K | 22 | 27 |
| 482 | Bioenergetics | 44 | 1.8K | 86 | 103 |
| 482 | atmospheric models | 17 | 1.8K | 244 | 140 |
| 484 | Decision making | 52 | 1.8K | 157 | 179 |
| 485 | Numerical Analysis | 102 | 1.8K | 153 | 192 |
| 486 | Global Health | 88 | 1.8K | 47 | 48 |
| 487 | Protein engineering | 23 | 1.8K | 29 | 16 |
| 488 | Immunogenetics | 39 | 1.8K | 86 | 56 |
| 489 | Biopharmaceutics | 54 | 1.8K | 81 | 118 |
| 490 | Wildlife conservation | 38 | 1.7K | 199 | 218 |
| 491 | Ergonomics | 39 | 1.7K | 193 | 93 |
| 492 | Petroleum Geology | 32 | 1.7K | 103 | 65 |
| 493 | Clinical Biochemistry | 47 | 1.7K | 138 | 138 |
| 494 | cell interaction | 45 | 1.7K | 77 | 100 |
| 495 | Industrial Microbiology | 24 | 1.7K | 525 | 350 |
| 496 | ecosystem | 42 | 1.7K | 202 | 267 |
| 497 | Protozoa | 19 | 1.7K | 74 | 43 |
| 498 | Anthropology | 69 | 1.7K | 185 | 173 |
| 499 | Information Technology | 60 | 1.7K | 223 | 329 |
| 500 | Musicology | 11 | 1.7K | 52 | 1 |
| 500 | Occupational Health | 65 | 1.7K | 76 | 81 |
| 502 | health planning | 92 | 1.7K | 127 | 180 |
| 503 | Antioxidants | 33 | 1.7K | 67 | 132 |
| 504 | Entrepreneurship | 20 | 1.6K | 202 | 222 |
| 505 | disabilities | 78 | 1.6K | 31 | 55 |
| 506 | Systems Biology | 75 | 1.6K | 104 | 168 |
| 507 | Schizophrenia | 33 | 1.6K | 256 | 238 |
| 508 | Quantum Chemistry | 49 | 1.6K | 2 | 4 |
| 508 | Cognitive neuroscience | 20 | 1.6K | 335 | 290 |
| 510 | Labor Economics | 43 | 1.6K | 23 | 41 |
| 511 | Computer Science | 39 | 1.6K | 302 | 122 |
| 512 | Seaweed | 28 | 1.6K | 97 | 65 |
| 513 | Composite Materials | 54 | 1.6K | 569 | 714 |
| 514 | Soft Condensed Matter | 40 | 1.6K | 207 | 169 |
| 514 | Inflammation | 31 | 1.6K | 180 | 160 |
| 516 | Liver diseases | 36 | 1.6K | 363 | 525 |
| 517 | Energy metabolism | 39 | 1.6K | 81 | 103 |
| 517 | Cheminformatics | 36 | 1.6K | 7 | 48 |
| 519 | Environmental Management | 51 | 1.6K | 498 | 698 |
| 519 | medical education | 73 | 1.6K | 233 | 260 |
| 521 | Biomass Energy | 19 | 1.6K | 927 | 623 |
| 521 | Homeostasis | 11 | 1.6K | 185 | 291 |
| 521 | Cell metabolism | 11 | 1.6K | 262 | 296 |
| 524 | Energy Harvesting | 20 | 1.5K | 120 | 143 |
| 525 | cell membrane | 37 | 1.5K | 82 | 103 |
| 526 | Animal genetics | 38 | 1.5K | 106 | 75 |
| 527 | Genes | 67 | 1.5K | 69 | 102 |
| 528 | Communication | 52 | 1.5K | 333 | 373 |
| 529 | Neuropharmacology | 24 | 1.5K | 98 | 40 |
| 530 | Fisheries | 53 | 1.5K | 254 | 270 |
| 531 | Respiratory system | 38 | 1.5K | 64 | 46 |
| 532 | Cognitive Therapy | 37 | 1.5K | 66 | 49 |
| 533 | Neuropsychiatry | 37 | 1.5K | 109 | 107 |
| 534 | Kidney diseases | 32 | 1.5K | 177 | 137 |
| 535 | Agriculture | 49 | 1.5K | 327 | 350 |
| 536 | Chromosomes | 59 | 1.5K | 72 | 148 |
| 537 | Economic Geography | 28 | 1.5K | 30 | 23 |
| 538 | computer networks | 50 | 1.5K | 457 | 423 |
| 539 | Artificial Intelligence | 95 | 1.5K | 448 | 850 |
| 540 | Developmental Disabilities | 48 | 1.5K | 162 | 214 |
| 541 | Linguistics | 57 | 1.4K | 156 | 165 |
| 542 | Europa | 29 | 1.4K | 54 | 30 |
| 543 | Clinical Psychology | 29 | 1.4K | 326 | 324 |
| 544 | Seismology | 34 | 1.4K | 100 | 74 |
| 545 | Photobiology | 25 | 1.4K | 233 | 102 |
| 546 | Electromagnetic compatibility | 46 | 1.4K | 25 | 19 |
| 547 | Electrochemical Analysis | 51 | 1.4K | 187 | 201 |
| 547 | Information Science | 68 | 1.4K | 265 | 464 |
| 549 | Hemodynamics | 27 | 1.4K | 150 | 169 |
| 550 | Ethics | 92 | 1.4K | 18 | 44 |
| 551 | Pharmacogenomics | 20 | 1.4K | 23 | 7 |
| 552 | Ecological Genetics | 52 | 1.4K | 15 | 13 |
| 553 | Human-Computer Interaction | 68 | 1.4K | 71 | 177 |
| 554 | Teratology | 34 | 1.4K | 34 | 38 |
| 554 | Chemical analysis | 45 | 1.4K | 80 | 98 |
| 556 | Ultrasonics | 41 | 1.4K | 158 | 176 |
| 556 | Ultrasound | 40 | 1.4K | 102 | 81 |
| 558 | sustainability | 17 | 1.4K | 230 | 170 |
| 559 | Semiconductors | 99 | 1.3K | 165 | 223 |
| 560 | Chemical Ecology | 41 | 1.3K | 52 | 80 |
| 561 | Insects | 30 | 1.3K | 312 | 206 |
| 562 | Bones | 26 | 1.3K | 177 | 190 |
| 563 | Oxidation-reduction | 22 | 1.3K | 185 | 227 |
| 564 | Sites | 18 | 1.3K | 149 | 102 |
| 565 | Autism | 29 | 1.3K | 149 | 160 |
| 566 | Substance Abuse | 47 | 1.3K | 261 | 251 |
| 567 | Computer Graphics | 39 | 1.3K | 368 | 319 |
| 567 | housing policy | 38 | 1.3K | 2 | 1 |
| 569 | Engineering Geology | 42 | 1.3K | 240 | 247 |
| 570 | Computer Vision | 20 | 1.3K | 356 | 306 |
| 571 | China | 54 | 1.3K | 518 | 419 |
| 572 | Educational Psychology | 41 | 1.3K | 273 | 297 |
| 573 | natural disasters | 37 | 1.3K | 137 | 154 |
| 574 | Radiopharmaceuticals | 108 | 1.3K | 3 | 2 |
| 574 | Meteorites | 33 | 1.3K | 264 | 343 |
| 576 | Bioinorganic chemistry | 51 | 1.3K | 168 | 180 |
| 577 | Adolescent | 74 | 1.3K | 245 | 371 |
| 578 | Nephrology | 15 | 1.3K | 202 | 128 |
| 578 | Reproductive toxicology | 36 | 1.3K | 21 | 47 |
| 580 | Occupational Therapy | 99 | 1.3K | 58 | 65 |
| 581 | Community Psychiatry | 31 | 1.3K | 189 | 179 |
| 582 | Sarcopenia | 10 | 1.3K | 126 | 42 |
| 583 | Public Administration | 50 | 1.3K | 200 | 193 |
| 584 | Sedimentary rocks | 33 | 1.3K | 45 | 57 |
| 585 | Ferroelectricity | 48 | 1.3K | 148 | 90 |
| 586 | Forest Ecology | 23 | 1.3K | 284 | 217 |
| 587 | Food additives | 37 | 1.2K | 168 | 219 |
| 588 | health services accessibility | 44 | 1.2K | 124 | 110 |
| 589 | Spine | 23 | 1.2K | 204 | 172 |
| 590 | Psychosomatic Medicine | 29 | 1.2K | 162 | 173 |
| 591 | Ocean Engineering | 45 | 1.2K | 378 | 370 |
| 592 | Ceramic materials | 37 | 1.2K | 210 | 178 |
| 593 | Neurosurgery | 27 | 1.2K | 236 | 209 |
| 594 | Emergency Medical Services | 42 | 1.2K | 52 | 24 |
| 595 | Carbon | 31 | 1.2K | 275 | 401 |
| 596 | Neuromuscular diseases | 49 | 1.2K | 74 | 108 |
| 597 | Internet of Things | 17 | 1.2K | 407 | 222 |
| 598 | Forest Management | 22 | 1.2K | 284 | 211 |
| 599 | Synchrotron Radiation | 46 | 1.2K | 42 | 34 |
| 600 | pheromones | 37 | 1.2K | 54 | 85 |
| 601 | Mental Health | 55 | 1.2K | 223 | 245 |
| 602 | Industry | 4 | 1.2K | 119 | 16 |
| 603 | Bioelectronics | 30 | 1.1K | 211 | 338 |
| 604 | Tropical Medicine | 35 | 1.1K | 321 | 230 |
| 605 | Soil biology | 16 | 1.1K | 341 | 309 |
| 606 | Human Rights | 32 | 1.1K | 59 | 21 |
| 607 | Economic Assistance | 35 | 1.1K | 81 | 146 |
| 608 | Physical Therapy | 59 | 1.1K | 166 | 317 |
| 609 | Sports Medicine | 44 | 1.1K | 542 | 565 |
| 610 | economic policy | 70 | 1.1K | 261 | 331 |
| 611 | drug addiction | 37 | 1.1K | 264 | 299 |
| 612 | Neural circuitry | 7 | 1.1K | 1365 | 422 |
| 612 | amino acids | 33 | 1.1K | 24 | 40 |
| 614 | calcification | 23 | 1.1K | 98 | 98 |
| 615 | Neuroendocrinology | 10 | 1.1K | 22 | 31 |
| 616 | Development | 31 | 1.1K | 122 | 169 |
| 617 | Minerals | 44 | 1.1K | 38 | 51 |
| 618 | Demography | 24 | 1.1K | 130 | 108 |
| 619 | Magnetic Materials | 45 | 1.1K | 280 | 326 |
| 620 | Multimedia Systems | 25 | 1.1K | 492 | 241 |
| 621 | Organometallic chemistry | 37 | 1.1K | 369 | 199 |
| 622 | epilepsy | 25 | 1.1K | 220 | 164 |
| 623 | Natural resources | 29 | 1.0K | 130 | 160 |
| 623 | Invertebrates | 31 | 1.0K | 78 | 66 |
| 625 | Radio frequency | 29 | 1.0K | 88 | 67 |
| 626 | Cybernetics | 29 | 1.0K | 393 | 431 |
| 627 | Robotics | 35 | 1.0K | 387 | 365 |
| 627 | Carbohydrates | 26 | 1.0K | 51 | 69 |
| 629 | Adolescent Psychology | 32 | 1.0K | 150 | 178 |
| 630 | Research Design | 39 | 1.0K | 197 | 282 |
| 631 | Petroleum Engineering | 21 | 1.0K | 241 | 140 |
| 632 | Asia | 39 | 1.0K | 502 | 320 |
| 632 | Cellulose | 14 | 1.0K | 165 | 99 |
| 634 | heredity | 16 | 1.0K | 181 | 76 |
| 635 | mutation | 39 | 998 | 58 | 123 |
| 636 | Bacterial infections | 17 | 992 | 216 | 304 |
| 637 | Australia | 30 | 991 | 406 | 270 |
| 638 | Functional Analysis | 41 | 983 | 187 | 170 |
| 639 | gene transfer | 3 | 977 | 272 | 11 |
| 639 | genetic transformation | 3 | 977 | 272 | 11 |
| 641 | world | 23 | 969 | 159 | 209 |
| 642 | glycoproteins | 35 | 965 | 39 | 84 |
| 642 | Glycoconjugates | 35 | 965 | 39 | 84 |
| 642 | glycolipids | 35 | 965 | 39 | 84 |
| 645 | Africa | 72 | 960 | 96 | 113 |
| 646 | drug evaluation | 41 | 958 | 149 | 176 |
| 647 | Geomorphology | 34 | 957 | 287 | 389 |
| 648 | Electrical Engineering | 153 | 951 | 312 | 618 |
| 649 | Agricultural Chemistry | 21 | 940 | 808 | 637 |
| 650 | Child welfare | 39 | 937 | 191 | 166 |
| 651 | venom | 22 | 934 | 130 | 100 |
| 651 | Toxins | 23 | 934 | 140 | 108 |
| 653 | energy development | 17 | 929 | 191 | 278 |
| 654 | Organizational Behavior | 21 | 925 | 132 | 187 |
| 655 | Multivariate Analysis | 18 | 924 | 115 | 78 |
| 655 | violence | 31 | 924 | 202 | 218 |
| 657 | animals | 34 | 919 | 193 | 150 |
| 658 | viral genetics | 7 | 917 | 197 | 230 |
| 659 | Structural optimization | 2 | 916 | 444 | 64 |
| 660 | Carcinogenesis | 27 | 915 | 213 | 277 |
| 661 | Socioeconomic Factors | 30 | 913 | 103 | 103 |
| 662 | Anxiety Disorders | 20 | 910 | 143 | 199 |
| 663 | Waste management | 35 | 905 | 205 | 184 |
| 663 | Water Purification | 35 | 905 | 154 | 145 |
| 665 | Post-traumatic stress disorder | 37 | 904 | 132 | 205 |
| 666 | Psychiatric Epidemiology | 23 | 903 | 89 | 102 |
| 667 | Hydrodynamics | 23 | 902 | 135 | 125 |
| 668 | Urban Policy | 18 | 900 | 187 | 120 |
| 669 | cloning | 9 | 897 | 349 | 264 |
| 670 | Hemophilia | 18 | 892 | 141 | 83 |
| 671 | prostaglandins | 27 | 888 | 65 | 68 |
| 672 | Molecular recognition | 20 | 884 | 9 | 11 |
| 673 | Ore deposits | 21 | 880 | 137 | 109 |
| 674 | Metastasis | 8 | 878 | 54 | 57 |
| 675 | Teaching | 36 | 877 | 321 | 332 |
| 676 | mutagens | 25 | 876 | 185 | 279 |
| 677 | Social work | 50 | 874 | 234 | 230 |
| 678 | Food preferences | 23 | 873 | 56 | 64 |
| 679 | Sports | 33 | 872 | 529 | 523 |
| 680 | Anxiety | 19 | 868 | 151 | 209 |
| 681 | Computer-Aided Design | 22 | 863 | 304 | 223 |
| 682 | Social problems | 13 | 858 | 197 | 135 |
| 683 | Antibacterial agents | 40 | 847 | 46 | 115 |
| 684 | Breeding | 26 | 843 | 327 | 322 |
| 685 | Marine Geology | 16 | 841 | 192 | 127 |
| 685 | Lipid | 30 | 841 | 25 | 97 |
| 687 | Lipid metabolism | 29 | 840 | 26 | 96 |
| 688 | drug toxicity | 15 | 838 | 59 | 21 |
| 689 | Hearing | 20 | 836 | 214 | 152 |
| 690 | Geriatric Psychiatry | 17 | 834 | 337 | 204 |
| 690 | Detectors | 28 | 834 | 342 | 260 |
| 692 | labor | 10 | 832 | 91 | 50 |
| 693 | Hydraulic Engineering | 20 | 831 | 289 | 202 |
| 694 | polar regions | 36 | 830 | 78 | 96 |
| 695 | Comparative Physiology | 19 | 829 | 234 | 178 |
| 695 | Wind power | 41 | 829 | 13 | 28 |
| 697 | vitamin C | 19 | 827 | 39 | 56 |
| 697 | vitamin E | 19 | 827 | 39 | 56 |
| 699 | Ethnology | 74 | 826 | 101 | 173 |
| 700 | Parkinson's disease | 14 | 824 | 51 | 30 |
| 701 | Nuclear Energy | 84 | 821 | 130 | 181 |
| 702 | System analysis | 47 | 819 | 389 | 573 |
| 702 | Steroids | 39 | 819 | 155 | 228 |
| 704 | Raman spectroscopy | 9 | 818 | 341 | 88 |
| 705 | working class | 5 | 810 | 109 | 53 |
| 706 | mycoses | 12 | 806 | 300 | 355 |
| 707 | Environmental Geology | 21 | 799 | 447 | 353 |
| 708 | Palliative Care | 39 | 792 | 125 | 142 |
| 708 | Randomized Controlled Trials | 55 | 792 | 106 | 129 |
| 710 | Qualitative Research | 49 | 790 | 20 | 81 |
| 711 | Rock Mechanics | 26 | 786 | 240 | 264 |
| 711 | ethanol | 27 | 786 | 72 | 80 |
| 713 | Social policy | 44 | 783 | 94 | 130 |
| 714 | Malaria | 40 | 782 | 102 | 167 |
| 714 | peptides | 44 | 782 | 43 | 65 |
| 716 | Nanochemistry | 28 | 778 | 189 | 126 |
| 717 | Geomagnetism | 24 | 776 | 195 | 160 |
| 718 | Mental Health Services | 22 | 775 | 375 | 289 |
| 719 | Brain damage | 13 | 773 | 133 | 75 |
| 720 | Organometallic compounds | 21 | 772 | 377 | 285 |
| 721 | Cell communication | 12 | 770 | 147 | 101 |
| 722 | Ethnic relations | 43 | 764 | 24 | 36 |
| 723 | Speech Disorders | 27 | 759 | 279 | 291 |
| 724 | RNA | 26 | 756 | 75 | 149 |
| 725 | Phytotherapy | 23 | 755 | 57 | 61 |
| 726 | ethnobiology | 25 | 752 | 8 | 27 |
| 727 | Cerebral cortex | 17 | 748 | 342 | 371 |
| 728 | Quantum theory | 46 | 745 | 104 | 180 |
| 729 | Sexual health | 21 | 738 | 186 | 151 |
| 730 | Physical Geography | 9 | 736 | 187 | 62 |
| 730 | Gene library | 10 | 736 | 28 | 10 |
| 732 | Ethnobotany | 22 | 729 | 8 | 27 |
| 732 | Traditional medicine | 22 | 729 | 8 | 27 |
| 732 | Ethnomedicine | 22 | 729 | 8 | 27 |
| 735 | Industrial Safety | 48 | 727 | 111 | 216 |
| 735 | Nutrition physiology | 11 | 727 | 290 | 200 |
| 737 | Chemical structure | 5 | 721 | 330 | 21 |
| 738 | Neonatology | 34 | 719 | 56 | 104 |
| 739 | Dynamics | 46 | 710 | 164 | 217 |
| 740 | Flow cytometry | 22 | 706 | 47 | 61 |
| 741 | Greenhouse gases | 33 | 704 | 34 | 98 |
| 741 | Intellectual disability | 37 | 704 | 149 | 208 |
| 743 | Soil Mechanics | 22 | 696 | 368 | 367 |
| 744 | Logic | 28 | 689 | 58 | 31 |
| 744 | Welfare Economics | 28 | 689 | 49 | 94 |
| 744 | terrorism | 19 | 689 | 31 | 14 |
| 744 | breastfeeding | 29 | 689 | 59 | 64 |
| 748 | Intelligent Transportation Systems | 19 | 681 | 342 | 358 |
| 749 | nursing ethics | 19 | 676 | 15 | 16 |
| 750 | Oligosaccharide | 22 | 675 | 37 | 95 |
| 751 | health behavior | 19 | 673 | 294 | 264 |
| 752 | Sociolinguistics | 16 | 670 | 101 | 57 |
| 753 | bioclimatology | 19 | 667 | 190 | 170 |
| 754 | Small Business | 20 | 665 | 152 | 353 |
| 755 | Structural dynamics | 34 | 660 | 188 | 366 |
| 756 | DNA | 26 | 655 | 47 | 61 |
| 757 | Stochastic Processes | 28 | 653 | 121 | 93 |
| 757 | Heart Failure | 11 | 653 | 189 | 173 |
| 757 | fusion reactors | 57 | 653 | 74 | 72 |
| 760 | Sedimentology | 15 | 651 | 164 | 158 |
| 761 | Pediatric Nursing | 14 | 650 | 130 | 61 |
| 762 | carcinogens | 16 | 644 | 329 | 365 |
| 763 | Evolutionary Genetics | 12 | 643 | 177 | 91 |
| 763 | Molecular Epidemiology | 12 | 643 | 177 | 91 |
| 763 | Precision medicine | 17 | 643 | 37 | 20 |
| 766 | Mining Engineering | 36 | 642 | 75 | 146 |
| 767 | Population | 26 | 636 | 161 | 227 |
| 768 | Fluid Mechanics | 26 | 634 | 463 | 462 |
| 769 | Neuroimmunology | 24 | 633 | 138 | 283 |
| 770 | Plant diseases | 27 | 632 | 618 | 638 |
| 771 | Group decision making | 14 | 631 | 122 | 87 |
| 772 | DNA methylation | 17 | 627 | 36 | 60 |
| 773 | Asthma | 30 | 623 | 84 | 112 |
| 774 | Atmospheric Chemistry | 29 | 618 | 287 | 500 |
| 775 | Political Psychology | 24 | 614 | 55 | 110 |
| 776 | abnormalities | 12 | 612 | 46 | 31 |
| 777 | Surface properties | 29 | 611 | 172 | 370 |
| 778 | Cosmochemistry | 23 | 606 | 226 | 312 |
| 779 | Political Geography | 21 | 604 | 47 | 59 |
| 780 | Rural Development | 21 | 602 | 84 | 114 |
| 780 | Birth control | 27 | 602 | 72 | 108 |
| 782 | Biomechanics | 20 | 597 | 413 | 472 |
| 783 | International Finance | 27 | 593 | 425 | 499 |
| 784 | Nanoelectronics | 32 | 586 | 152 | 129 |
| 785 | Culture | 58 | 584 | 104 | 171 |
| 786 | Feminism | 42 | 583 | 37 | 84 |
| 787 | Psychoneuroimmunology | 23 | 582 | 115 | 280 |
| 788 | Growth factors | 19 | 579 | 22 | 127 |
| 789 | Humanities | 35 | 578 | 197 | 163 |
| 789 | Real-time Data Processing | 14 | 578 | 17 | 14 |
| 791 | Erectile dysfunction | 4 | 577 | 218 | 38 |
| 792 | Technological Innovations | 22 | 576 | 193 | 253 |
| 792 | Acarology | 13 | 576 | 66 | 40 |
| 792 | Mites | 13 | 576 | 122 | 49 |
| 792 | Ticks | 13 | 576 | 62 | 40 |
| 792 | Acari | 13 | 576 | 62 | 40 |
| 797 | industrial relations | 49 | 575 | 99 | 167 |
| 798 | Language Disorders | 23 | 569 | 239 | 222 |
| 798 | child abuse | 21 | 569 | 222 | 294 |
| 800 | Public Choice | 11 | 567 | 126 | 75 |
| 801 | Tourism | 20 | 566 | 464 | 645 |
| 802 | race relations | 20 | 563 | 135 | 115 |
| 803 | Nonverbal Communication | 18 | 562 | 26 | 48 |
| 804 | Smoking | 17 | 558 | 265 | 297 |
| 805 | visualization | 54 | 557 | 223 | 270 |
| 806 | Methodology | 12 | 556 | 91 | 30 |
| 807 | Information Systems | 35 | 553 | 177 | 389 |
| 808 | Nuclear Chemistry | 49 | 546 | 147 | 228 |
| 809 | Social Change | 18 | 545 | 245 | 432 |
| 810 | Food Microbiology | 19 | 544 | 381 | 578 |
| 811 | Behavioral Genetics | 12 | 543 | 87 | 79 |
| 812 | Functional Genomics | 20 | 541 | 43 | 95 |
| 813 | Radiation Oncology | 7 | 539 | 219 | 72 |
| 814 | Psychiatric Nursing | 18 | 538 | 167 | 82 |
| 815 | Surface-Active Agents | 26 | 537 | 181 | 377 |
| 815 | industrial hygiene | 45 | 537 | 89 | 117 |
| 817 | Structural Equation Modeling | 10 | 536 | 38 | 53 |
| 818 | Radiography | 14 | 535 | 338 | 442 |
| 819 | Organizational Sociology | 20 | 528 | 47 | 66 |
| 820 | Health Services Administration | 29 | 526 | 186 | 312 |
| 821 | Morphology | 22 | 523 | 160 | 156 |
| 822 | Systems Engineering | 15 | 521 | 914 | 692 |
| 822 | Marine Pollution | 13 | 521 | 528 | 512 |
| 822 | atmosphere | 23 | 521 | 154 | 228 |
| 825 | Computational Fluid Dynamics | 18 | 520 | 152 | 139 |
| 826 | Otolaryngology | 19 | 517 | 167 | 168 |
| 826 | older people | 46 | 517 | 291 | 369 |
| 828 | disarmament | 11 | 516 | 52 | 25 |
| 829 | Agricultural Ecology | 14 | 515 | 389 | 518 |
| 830 | Metallic Glasses | 6 | 514 | 308 | 133 |
| 831 | Control Theory | 45 | 512 | 346 | 556 |
| 832 | Manufacturing Processes | 32 | 511 | 650 | 896 |
| 833 | Paleobiology | 19 | 510 | 57 | 16 |
| 834 | Oxidative stress | 9 | 507 | 410 | 451 |
| 835 | Online social networks | 32 | 504 | 7 | 29 |
| 835 | Recycling | 11 | 504 | 219 | 321 |
| 837 | mental health promotion | 29 | 503 | 8 | 34 |
| 837 | blood transfusion | 15 | 503 | 289 | 230 |
| 839 | Herbal medicine | 13 | 501 | 227 | 208 |
| 839 | psychopathology | 6 | 501 | 228 | 144 |
| 841 | Algebra | 41 | 500 | 283 | 200 |
| 842 | population geography | 24 | 499 | 39 | 68 |
| 843 | Mechanics | 22 | 496 | 320 | 290 |
| 844 | civil service | 20 | 494 | 68 | 104 |
| 845 | Cardiovascular Pharmacology | 24 | 486 | 27 | 39 |
| 846 | Semiconductor industry | 24 | 482 | 143 | 118 |
| 847 | Elections | 27 | 479 | 53 | 79 |
| 848 | Mobile genetic elements | 17 | 477 | 5 | 5 |
| 849 | food technology | 20 | 475 | 936 | 1123 |
| 850 | Probability | 23 | 473 | 102 | 184 |
| 851 | Hematopoietic stem cell transplantation | 15 | 472 | 82 | 155 |
| 851 | Business Ethics | 10 | 472 | 445 | 569 |
| 853 | Nonlinear functional analysis | 15 | 470 | 364 | 237 |
| 854 | Ecological Engineering | 6 | 468 | 393 | 216 |
| 855 | Apoptosis | 20 | 467 | 25 | 47 |
| 855 | neurotoxins | 20 | 467 | 25 | 47 |
| 855 | Neurotoxic agents | 20 | 467 | 25 | 47 |
| 855 | Nerve regeneration | 20 | 467 | 25 | 47 |
| 859 | Psycholinguistics | 16 | 461 | 332 | 407 |
| 859 | pharmaceutical industry | 15 | 461 | 130 | 93 |
| 861 | Systems Analysis | 13 | 459 | 431 | 260 |
| 861 | Primates | 14 | 459 | 255 | 219 |
| 863 | Chemical Oceanography | 4 | 458 | 253 | 153 |
| 863 | Consciousness | 8 | 458 | 228 | 124 |
| 865 | transport vesicles | 4 | 456 | 183 | 285 |
| 866 | Ethnic Conflict | 15 | 451 | 54 | 57 |
| 866 | forced migration | 15 | 451 | 54 | 57 |
| 868 | Engineering Mathematics | 29 | 450 | 419 | 501 |
| 869 | Radiotherapy | 3 | 448 | 368 | 70 |
| 870 | Soviet Union | 26 | 447 | 89 | 44 |
| 871 | Industrial Engineering | 12 | 445 | 880 | 715 |
| 871 | Social welfare | 11 | 445 | 235 | 136 |
| 873 | Electrophysiology | 19 | 444 | 363 | 338 |
| 874 | mammals | 19 | 443 | 292 | 323 |
| 875 | Freshwater invertebrates | 7 | 441 | 106 | 75 |
| 875 | Aquatic ecology | 26 | 441 | 161 | 288 |
| 877 | Biomolecules | 14 | 439 | 107 | 201 |
| 878 | Acoustics | 7 | 438 | 228 | 95 |
| 879 | Speech acoustics | 5 | 437 | 143 | 84 |
| 880 | optical instruments | 8 | 435 | 240 | 153 |
| 881 | Ceramics | 30 | 434 | 379 | 555 |
| 882 | children | 21 | 432 | 97 | 174 |
| 883 | isomerism | 19 | 431 | 37 | 37 |
| 883 | Personality Assessment | 10 | 431 | 256 | 270 |
| 883 | Chirality | 19 | 431 | 37 | 37 |
| 886 | Phonetics | 14 | 430 | 100 | 102 |
| 887 | preventive medicine | 22 | 429 | 342 | 585 |
| 888 | Microeconomics | 17 | 428 | 77 | 114 |
| 888 | Periglacial processes | 10 | 428 | 40 | 44 |
| 888 | Permafrost | 10 | 428 | 40 | 44 |
| 888 | Frozen ground | 10 | 428 | 40 | 46 |
| 888 | Vision | 17 | 428 | 240 | 320 |
| 893 | Chronobiology | 9 | 425 | 165 | 100 |
| 893 | emergency management | 15 | 425 | 145 | 172 |
| 893 | biological clocks | 9 | 425 | 165 | 100 |
| 893 | circadian rhythm | 9 | 425 | 165 | 100 |
| 893 | biological rhythms | 9 | 425 | 154 | 99 |
| 898 | Marine Meteorology | 7 | 423 | 232 | 188 |
| 898 | Circadian rhythms | 8 | 423 | 127 | 93 |
| 900 | Climate | 17 | 422 | 106 | 214 |
| 901 | Cerebrospinal fluid | 21 | 415 | 9 | 31 |
| 902 | Development Economics | 14 | 411 | 83 | 125 |
| 902 | income | 9 | 411 | 42 | 35 |
| 902 | Input-output analysis | 9 | 411 | 72 | 69 |
| 902 | Wealth | 9 | 411 | 42 | 35 |
| 906 | Land Use Planning | 10 | 410 | 131 | 142 |
| 906 | hydrocolloids | 8 | 410 | 351 | 393 |
| 908 | Algorithms | 18 | 409 | 132 | 126 |
| 908 | Histocompatibility Testing | 8 | 409 | 245 | 129 |
| 908 | Glass | 22 | 409 | 360 | 510 |
| 908 | pottery | 22 | 409 | 347 | 499 |
| 912 | Environmentalism | 9 | 408 | 36 | 41 |
| 913 | Gender Studies | 17 | 407 | 87 | 118 |
| 913 | Operations Research | 24 | 407 | 714 | 921 |
| 915 | Landscape Ecology | 8 | 405 | 220 | 193 |
| 916 | Genetic Toxicology | 14 | 404 | 113 | 207 |
| 916 | Developmental Neurobiology | 21 | 404 | 86 | 146 |
| 916 | educational planning | 8 | 404 | 174 | 114 |
| 919 | Orthopedic Surgery | 17 | 402 | 266 | 308 |
| 920 | Liposomes | 11 | 401 | 199 | 205 |
| 920 | child behavior | 15 | 401 | 117 | 193 |
| 922 | disaster relief | 7 | 398 | 85 | 49 |
| 923 | Religion | 30 | 397 | 155 | 82 |
| 923 | biochemical markers | 16 | 397 | 129 | 108 |
| 925 | Quality Control | 17 | 396 | 542 | 643 |
| 926 | Marine Ecology | 20 | 395 | 208 | 226 |
| 927 | Coastal zone management | 19 | 394 | 133 | 210 |
| 928 | nuclear power | 41 | 393 | 82 | 96 |
| 928 | health services | 16 | 393 | 368 | 364 |
| 930 | Clinical Trials | 16 | 392 | 179 | 169 |
| 930 | Microwaves | 32 | 392 | 415 | 525 |
| 930 | Fish | 4 | 392 | 270 | 44 |
| 933 | Insect biochemistry | 11 | 390 | 185 | 194 |
| 934 | Eastern Europe | 25 | 387 | 115 | 95 |
| 935 | Genetic translocation | 12 | 386 | 26 | 49 |
| 935 | plasmids | 12 | 386 | 26 | 49 |
| 937 | Body language | 8 | 385 | 30 | 44 |
| 937 | Metallography | 11 | 385 | 391 | 296 |
| 939 | Production Engineering | 19 | 382 | 715 | 677 |
| 939 | Happiness | 4 | 382 | 330 | 119 |
| 939 | monitoring | 25 | 382 | 19 | 26 |
| 942 | Jurisprudence | 32 | 381 | 161 | 277 |
| 943 | Fluorescence spectroscopy | 9 | 378 | 103 | 68 |
| 944 | Forensic Genetics | 15 | 376 | 65 | 90 |
| 944 | Applied Linguistics | 15 | 376 | 150 | 140 |
| 946 | Project Management | 11 | 374 | 84 | 184 |
| 946 | Melanoma | 9 | 374 | 68 | 84 |
| 948 | finance | 11 | 371 | 1224 | 936 |
| 949 | Fish diseases | 1 | 367 | 223 | 37 |
| 950 | Plant tissue culture | 14 | 365 | 222 | 274 |
| 950 | Ultrasonic Imaging | 15 | 365 | 142 | 157 |
| 950 | Drug discovery | 11 | 365 | 65 | 85 |
| 953 | Nutritional support | 7 | 363 | 74 | 79 |
| 953 | Plant cell culture | 11 | 363 | 241 | 273 |
| 953 | Zoonoses | 14 | 363 | 50 | 88 |
| 956 | War | 26 | 361 | 16 | 30 |
| 956 | Knowledge | 27 | 361 | 89 | 118 |
| 958 | air | 12 | 360 | 53 | 97 |
| 959 | Discourse Analysis | 21 | 359 | 39 | 105 |
| 959 | motivation | 4 | 359 | 265 | 144 |
| 961 | Electromagnetism | 20 | 356 | 325 | 383 |
| 962 | Dietetics | 31 | 355 | 141 | 256 |
| 962 | Bone diseases | 9 | 355 | 192 | 300 |
| 964 | Software Engineering | 11 | 354 | 508 | 438 |
| 964 | Emotion | 3 | 354 | 192 | 102 |
| 966 | Urban Economics | 12 | 353 | 106 | 188 |
| 967 | Animal welfare | 4 | 351 | 226 | 76 |
| 968 | urban population | 11 | 350 | 69 | 145 |
| 969 | hazard mitigation | 17 | 348 | 215 | 340 |
| 970 | Microprocessors | 15 | 347 | 163 | 123 |
| 970 | Synthetic biology | 6 | 347 | 217 | 119 |
| 970 | Carbohydrate | 1 | 347 | 83 | 28 |
| 973 | adolescence | 27 | 346 | 214 | 446 |
| 974 | Pediatric Rheumatology | 20 | 345 | 29 | 42 |
| 975 | Political Participation | 22 | 344 | 51 | 111 |
| 975 | biomedicine | 10 | 344 | 199 | 225 |
| 977 | innovation | 9 | 343 | 275 | 428 |
| 978 | Disability Studies | 26 | 342 | 10 | 25 |
| 978 | women | 13 | 342 | 254 | 148 |
| 980 | Pituitary gland | 12 | 341 | 62 | 72 |
| 981 | Geometry | 38 | 340 | 168 | 202 |
| 981 | Travel | 15 | 340 | 250 | 239 |
| 981 | Marine resources | 18 | 340 | 145 | 236 |
| 984 | Astrocytes | 9 | 339 | 228 | 347 |
| 985 | Performance | 8 | 337 | 135 | 133 |
| 986 | Land use | 11 | 336 | 479 | 517 |
| 986 | catalytic activity | 13 | 336 | 224 | 311 |
| 988 | magnetic resonance | 19 | 335 | 76 | 93 |
| 988 | vitamins | 8 | 335 | 32 | 48 |
| 990 | Andrology | 11 | 329 | 246 | 240 |
| 991 | Microfabrication | 10 | 328 | 142 | 97 |
| 991 | Logic Programming | 28 | 328 | 28 | 50 |
| 991 | Family | 32 | 328 | 190 | 378 |
| 991 | eugenics | 15 | 328 | 149 | 193 |
| 995 | locomotion | 13 | 326 | 212 | 318 |
| 995 | posture | 13 | 326 | 212 | 318 |
| 995 | Wildlife management | 17 | 326 | 189 | 194 |
| 995 | gait | 13 | 326 | 212 | 318 |
| 995 | walking | 13 | 326 | 212 | 318 |
| 1000 | Combustion | 17 | 322 | 501 | 633 |