| 1 | Biology | 1,563 | 178.2K | 182 | 140 |
| 2 | Science | 1,615 | 166.4K | 174 | 154 |
| 3 | Physics | 1,236 | 141.9K | 350 | 212 |
| 4 | Medicine | 1,578 | 101.5K | 174 | 139 |
| 5 | Neurology | 1,132 | 97.3K | 128 | 96 |
| 6 | Natural history | 441 | 93.6K | 107 | 133 |
| 7 | Human genetics | 381 | 84.5K | 58 | 62 |
| 8 | Chemistry | 1,121 | 69.1K | 355 | 302 |
| 9 | Biochemistry | 1,515 | 65.5K | 242 | 231 |
| 10 | Microbiology | 836 | 62.8K | 160 | 130 |
| 11 | Molecular Biology | 886 | 62.0K | 258 | 217 |
| 12 | Medical genetics | 580 | 47.7K | 53 | 48 |
| 13 | Research | 1,023 | 47.1K | 208 | 161 |
| 14 | Ecology | 517 | 40.3K | 276 | 209 |
| 15 | Genetics | 401 | 38.4K | 136 | 109 |
| 16 | Aging | 623 | 34.9K | 22 | 14 |
| 17 | Public Health | 756 | 33.4K | 103 | 109 |
| 18 | Geriatrics | 620 | 32.3K | 36 | 23 |
| 19 | Cell Biology | 301 | 30.9K | 255 | 196 |
| 20 | Cytology | 332 | 30.9K | 272 | 200 |
| 21 | Environment | 369 | 28.3K | 201 | 189 |
| 22 | Hematology | 364 | 22.1K | 139 | 109 |
| 23 | Psychiatry | 357 | 20.8K | 203 | 174 |
| 24 | Pollution | 285 | 20.7K | 306 | 238 |
| 25 | Chemical Engineering | 297 | 19.7K | 323 | 195 |
| 26 | Health Services Research | 263 | 19.1K | 34 | 14 |
| 27 | Diabetes | 257 | 19.0K | 70 | 58 |
| 28 | Environmental Health | 247 | 18.4K | 295 | 198 |
| 29 | Liver diseases | 163 | 17.7K | 71 | 46 |
| 30 | Diabetes mellitus | 216 | 17.5K | 78 | 58 |
| 31 | Virology | 114 | 17.4K | 341 | 219 |
| 32 | Epidemiology | 420 | 17.2K | 84 | 102 |
| 33 | Pharmacology | 360 | 16.9K | 351 | 237 |
| 34 | Metabolism | 312 | 16.8K | 119 | 141 |
| 35 | Astrophysics | 279 | 16.7K | 377 | 432 |
| 36 | Psychology | 324 | 16.6K | 284 | 212 |
| 37 | Immunology | 289 | 16.3K | 192 | 199 |
| 38 | Microbial Ecology | 137 | 15.5K | 144 | 92 |
| 39 | Regional Planning | 402 | 15.4K | 1 | 5 |
| 40 | Materials | 438 | 15.2K | 388 | 447 |
| 41 | Nervous system | 210 | 15.0K | 108 | 93 |
| 42 | Geography | 341 | 14.8K | 40 | 36 |
| 43 | Electrochemistry | 519 | 14.1K | 121 | 107 |
| 44 | Metabolic diseases | 222 | 14.0K | 116 | 139 |
| 45 | Nutrition | 325 | 14.0K | 153 | 158 |
| 46 | Geophysics | 305 | 14.0K | 267 | 247 |
| 47 | Endocrinology | 223 | 13.7K | 213 | 199 |
| 48 | Neurophysiology | 259 | 13.7K | 184 | 197 |
| 49 | Biotechnology | 259 | 13.6K | 384 | 371 |
| 50 | United Kingdom | 326 | 12.9K | 24 | 26 |
| 51 | Sociology | 254 | 12.9K | 121 | 90 |
| 52 | Cancer | 232 | 12.5K | 222 | 209 |
| 53 | Physiology | 298 | 12.2K | 255 | 257 |
| 54 | Spectrum analysis | 140 | 11.9K | 555 | 408 |
| 55 | Water pollution | 255 | 11.8K | 62 | 86 |
| 56 | Oncology | 70 | 11.8K | 248 | 145 |
| 57 | Astronomy | 344 | 11.8K | 294 | 378 |
| 58 | management | 222 | 11.6K | 161 | 228 |
| 59 | Human Geography | 269 | 11.3K | 13 | 13 |
| 60 | Biophysics | 305 | 11.2K | 462 | 413 |
| 61 | Geochemistry | 188 | 11.2K | 167 | 126 |
| 62 | Environmental Engineering | 146 | 11.1K | 257 | 181 |
| 63 | Cytogenetics | 131 | 10.9K | 71 | 85 |
| 64 | Environmental Policy | 188 | 10.8K | 110 | 123 |
| 65 | Water | 158 | 10.4K | 140 | 137 |
| 66 | Energy Conversion | 43 | 10.0K | 196 | 86 |
| 67 | Leukemia | 110 | 9.9K | 54 | 44 |
| 68 | Animal Behavior | 197 | 9.9K | 123 | 125 |
| 69 | Economics | 460 | 9.9K | 123 | 204 |
| 70 | Environmental Chemistry | 39 | 9.8K | 341 | 99 |
| 71 | Condensed Matter | 243 | 9.8K | 396 | 352 |
| 72 | nucleic acids | 127 | 9.8K | 124 | 146 |
| 73 | energy conservation | 145 | 9.8K | 78 | 76 |
| 74 | Pediatric Neurology | 85 | 9.8K | 77 | 62 |
| 75 | Pathology | 194 | 9.7K | 127 | 128 |
| 76 | Solid State Physics | 257 | 9.6K | 423 | 350 |
| 77 | city planning | 344 | 9.6K | 4 | 18 |
| 78 | Immunity | 81 | 9.6K | 216 | 202 |
| 79 | Botany | 198 | 9.4K | 383 | 366 |
| 80 | Environmental Microbiology | 112 | 9.2K | 28 | 19 |
| 81 | Business | 155 | 9.2K | 47 | 110 |
| 82 | Ethology | 160 | 9.1K | 90 | 105 |
| 83 | Geology | 260 | 9.1K | 202 | 232 |
| 84 | Biomedical Engineering | 242 | 8.9K | 289 | 284 |
| 85 | behavioral medicine | 49 | 8.8K | 175 | 54 |
| 86 | Surgery | 231 | 8.7K | 72 | 168 |
| 87 | Mental Disorders | 151 | 8.6K | 211 | 213 |
| 88 | Europe | 342 | 8.3K | 79 | 77 |
| 89 | sanitation | 79 | 8.3K | 176 | 144 |
| 90 | Genetic engineering | 168 | 8.2K | 47 | 53 |
| 91 | Biochemical Engineering | 134 | 8.2K | 304 | 323 |
| 92 | Bacteriology | 152 | 8.1K | 114 | 140 |
| 93 | Surface Chemistry | 232 | 8.0K | 260 | 268 |
| 94 | Materials Science | 146 | 8.0K | 544 | 427 |
| 95 | Environmental Management | 127 | 8.0K | 135 | 93 |
| 96 | Cell differentiation | 156 | 8.0K | 91 | 176 |
| 97 | Genomics | 188 | 8.0K | 136 | 140 |
| 98 | Marine Biology | 190 | 8.0K | 146 | 125 |
| 99 | Neurobiology | 115 | 7.9K | 156 | 147 |
| 100 | Meteorology | 123 | 7.9K | 204 | 180 |
| 101 | Behavior | 158 | 7.8K | 279 | 286 |
| 102 | Bioengineering | 127 | 7.7K | 435 | 392 |
| 103 | Renewable Energy Sources | 108 | 7.7K | 167 | 197 |
| 104 | Molecular Microbiology | 103 | 7.4K | 31 | 46 |
| 105 | environmental pollution | 168 | 7.4K | 339 | 339 |
| 106 | Developmental Biology | 94 | 7.3K | 235 | 200 |
| 107 | Agriculture | 145 | 7.3K | 99 | 68 |
| 108 | drug therapy | 167 | 7.1K | 138 | 106 |
| 109 | Hydrology | 124 | 7.1K | 178 | 119 |
| 110 | Child Development | 157 | 7.0K | 137 | 143 |
| 111 | Critical Care Medicine | 54 | 7.0K | 232 | 149 |
| 112 | Critical Care | 54 | 7.0K | 233 | 149 |
| 113 | Nuclear Physics | 268 | 7.0K | 597 | 635 |
| 114 | United States | 181 | 6.9K | 429 | 370 |
| 115 | Earth Sciences | 143 | 6.9K | 251 | 212 |
| 116 | Composite Materials | 145 | 6.8K | 237 | 225 |
| 117 | Obesity | 116 | 6.7K | 159 | 123 |
| 118 | Social Sciences | 200 | 6.7K | 163 | 125 |
| 119 | Mathematics | 335 | 6.6K | 530 | 357 |
| 120 | biological evolution | 95 | 6.6K | 229 | 235 |
| 121 | medical education | 244 | 6.5K | 62 | 72 |
| 122 | Stem cells | 131 | 6.5K | 67 | 56 |
| 123 | Rural Development | 127 | 6.5K | 2 | 3 |
| 124 | Health Policy | 230 | 6.4K | 78 | 85 |
| 125 | Alzheimer's disease | 280 | 6.3K | 53 | 65 |
| 126 | Biocompatible Materials | 138 | 6.2K | 439 | 499 |
| 127 | Diet | 108 | 6.2K | 173 | 174 |
| 128 | Neurosurgery | 85 | 6.1K | 32 | 17 |
| 129 | coal | 170 | 6.1K | 40 | 56 |
| 130 | Toxicology | 177 | 6.1K | 386 | 409 |
| 131 | Child | 149 | 6.0K | 145 | 100 |
| 132 | Nanotechnology | 122 | 6.0K | 748 | 688 |
| 133 | Primary health care | 121 | 6.0K | 91 | 39 |
| 134 | Pharmaceutical Chemistry | 118 | 6.0K | 424 | 306 |
| 135 | Environmental monitoring | 106 | 5.8K | 354 | 282 |
| 136 | Climatology | 78 | 5.8K | 214 | 148 |
| 137 | Biogeochemistry | 123 | 5.8K | 41 | 73 |
| 138 | Carbon | 103 | 5.8K | 53 | 78 |
| 139 | Speech Disorders | 151 | 5.7K | 54 | 46 |
| 140 | Food | 143 | 5.7K | 179 | 172 |
| 141 | Technology | 145 | 5.7K | 325 | 237 |
| 142 | Social Change | 71 | 5.7K | 10 | 6 |
| 143 | Planets | 77 | 5.7K | 265 | 182 |
| 144 | Catalysis | 117 | 5.6K | 609 | 545 |
| 145 | Biodiversity conservation | 56 | 5.6K | 246 | 235 |
| 146 | Anatomy | 123 | 5.6K | 158 | 165 |
| 147 | diseases | 9 | 5.6K | 111 | 73 |
| 147 | Disease | 9 | 5.6K | 103 | 72 |
| 149 | Geriatric Psychiatry | 130 | 5.6K | 17 | 17 |
| 150 | Pediatrics | 87 | 5.5K | 281 | 230 |
| 151 | Developmental Disabilities | 89 | 5.5K | 74 | 58 |
| 152 | Genetic regulation | 79 | 5.4K | 62 | 86 |
| 153 | Lung Transplantation | 58 | 5.4K | 41 | 19 |
| 153 | Heart transplantation | 58 | 5.4K | 41 | 19 |
| 155 | Ocean Engineering | 213 | 5.4K | 58 | 83 |
| 156 | Electrochemical Analysis | 181 | 5.3K | 24 | 38 |
| 157 | Education | 240 | 5.3K | 214 | 232 |
| 158 | Biodiversity | 62 | 5.3K | 284 | 151 |
| 159 | Land Use Planning | 93 | 5.3K | 4 | 5 |
| 160 | Rheumatology | 113 | 5.2K | 52 | 75 |
| 161 | Psychophysiology | 135 | 5.2K | 335 | 363 |
| 162 | Power Electronics | 79 | 5.2K | 118 | 88 |
| 163 | Cosmochemistry | 97 | 5.2K | 19 | 22 |
| 164 | Mental illness | 63 | 5.1K | 270 | 197 |
| 165 | Dementia | 277 | 5.1K | 53 | 66 |
| 166 | arthritis | 106 | 5.1K | 90 | 116 |
| 167 | Medical Anthropology | 102 | 5.1K | 86 | 105 |
| 168 | Reproduction | 127 | 5.0K | 186 | 160 |
| 169 | Public opinion | 17 | 5.0K | 81 | 5 |
| 170 | Language Disorders | 136 | 5.0K | 36 | 29 |
| 171 | Computational Biology | 114 | 5.0K | 193 | 229 |
| 172 | Oceanography | 120 | 4.9K | 171 | 179 |
| 173 | Political Science | 116 | 4.8K | 164 | 106 |
| 174 | Heat Exchangers | 83 | 4.8K | 69 | 39 |
| 175 | human behavior | 95 | 4.7K | 273 | 335 |
| 176 | Autism | 75 | 4.6K | 37 | 28 |
| 177 | Organic Geochemistry | 85 | 4.6K | 9 | 13 |
| 178 | Therapeutics | 63 | 4.5K | 221 | 129 |
| 179 | Business Ethics | 33 | 4.5K | 111 | 37 |
| 180 | Health | 110 | 4.5K | 155 | 129 |
| 181 | cloning | 66 | 4.4K | 17 | 23 |
| 182 | Immunopathology | 114 | 4.3K | 63 | 64 |
| 183 | rehabilitation | 107 | 4.3K | 162 | 154 |
| 184 | Climate change | 24 | 4.3K | 276 | 244 |
| 184 | Eutrophication | 24 | 4.3K | 273 | 243 |
| 186 | Energy Policy | 90 | 4.3K | 237 | 272 |
| 187 | Transportation | 117 | 4.2K | 132 | 128 |
| 188 | Allergy | 27 | 4.2K | 290 | 177 |
| 189 | Oxidation-reduction | 25 | 4.2K | 146 | 52 |
| 190 | environmental protection | 88 | 4.2K | 333 | 291 |
| 191 | Clinical Chemistry | 146 | 4.1K | 193 | 277 |
| 192 | Biomass Energy | 74 | 4.1K | 248 | 270 |
| 193 | Brain | 110 | 3.9K | 371 | 410 |
| 194 | Bipolar Disorder | 63 | 3.9K | 21 | 22 |
| 195 | Neuropsychology | 108 | 3.8K | 236 | 248 |
| 196 | Engineering | 180 | 3.7K | 253 | 265 |
| 197 | Neurons | 21 | 3.7K | 174 | 188 |
| 198 | alcoholism | 75 | 3.7K | 176 | 129 |
| 199 | Colloids | 89 | 3.7K | 649 | 601 |
| 200 | Signal Transduction | 24 | 3.7K | 375 | 133 |
| 201 | Automation | 74 | 3.7K | 315 | 321 |
| 202 | Clinical Pharmacology | 113 | 3.7K | 55 | 54 |
| 203 | Electronics | 198 | 3.6K | 239 | 344 |
| 204 | Analytical Chemistry | 94 | 3.6K | 773 | 669 |
| 205 | Agricultural Ecology | 44 | 3.6K | 116 | 80 |
| 206 | Engineering Geology | 120 | 3.6K | 62 | 91 |
| 207 | speech therapy | 98 | 3.6K | 9 | 8 |
| 208 | Evolution | 63 | 3.6K | 304 | 305 |
| 209 | Parenteral nutrition | 40 | 3.5K | 143 | 97 |
| 210 | Research Design | 59 | 3.5K | 116 | 99 |
| 211 | Statistics | 201 | 3.5K | 141 | 243 |
| 212 | organization | 52 | 3.5K | 71 | 126 |
| 213 | Antioxidants | 16 | 3.5K | 206 | 37 |
| 214 | Enteral nutrition | 35 | 3.5K | 92 | 72 |
| 215 | Microorganisms | 49 | 3.5K | 74 | 104 |
| 216 | Geomorphology | 68 | 3.5K | 135 | 119 |
| 217 | Biodegradation | 72 | 3.5K | 4 | 5 |
| 218 | drugs | 106 | 3.4K | 130 | 136 |
| 219 | water supply | 60 | 3.4K | 108 | 104 |
| 220 | Environmental Toxicology | 38 | 3.4K | 458 | 203 |
| 221 | Polymers | 109 | 3.4K | 762 | 702 |
| 222 | Randomized Controlled Trials | 140 | 3.4K | 32 | 28 |
| 223 | Communication Disorders | 84 | 3.3K | 7 | 6 |
| 224 | Gerontology | 194 | 3.3K | 95 | 138 |
| 225 | Water Microbiology | 67 | 3.3K | 3 | 3 |
| 226 | genome | 40 | 3.3K | 251 | 257 |
| 227 | Health Education | 80 | 3.2K | 212 | 146 |
| 228 | Muscles | 56 | 3.2K | 62 | 49 |
| 229 | Coral reef biology | 42 | 3.2K | 20 | 11 |
| 230 | Meteorites | 38 | 3.2K | 232 | 191 |
| 231 | Cell metabolism | 19 | 3.2K | 137 | 134 |
| 232 | Fouling | 62 | 3.2K | 2 | 3 |
| 233 | Perception | 92 | 3.2K | 217 | 204 |
| 234 | Embryology | 46 | 3.2K | 321 | 254 |
| 235 | Neurochemistry | 65 | 3.2K | 434 | 360 |
| 236 | Membranes | 72 | 3.2K | 240 | 259 |
| 237 | Statistical physics | 131 | 3.1K | 542 | 567 |
| 238 | Homeostasis | 14 | 3.1K | 127 | 132 |
| 239 | Transplantation | 100 | 3.1K | 96 | 138 |
| 240 | commerce | 59 | 3.1K | 92 | 143 |
| 241 | marketing | 97 | 3.1K | 144 | 282 |
| 242 | Memory | 81 | 3.1K | 227 | 229 |
| 243 | Quantum Gravity | 99 | 3.0K | 498 | 501 |
| 243 | Virulence | 38 | 3.0K | 211 | 188 |
| 245 | Visual Perception | 85 | 3.0K | 174 | 160 |
| 246 | Economic Geography | 60 | 3.0K | 8 | 10 |
| 247 | Immune system | 27 | 2.9K | 209 | 218 |
| 248 | nanoscience | 36 | 2.9K | 779 | 549 |
| 249 | Electrical Engineering | 181 | 2.9K | 215 | 204 |
| 250 | Chronic diseases | 40 | 2.9K | 101 | 109 |
| 251 | Bioinformatics | 68 | 2.9K | 248 | 280 |
| 252 | Green Chemistry | 31 | 2.9K | 440 | 258 |
| 253 | Attention | 76 | 2.9K | 208 | 174 |
| 254 | Psychopharmacology | 55 | 2.9K | 224 | 241 |
| 255 | Nondestructive testing | 55 | 2.9K | 39 | 10 |
| 256 | Oncogenes | 44 | 2.8K | 191 | 223 |
| 257 | Host-parasite interactions | 37 | 2.8K | 220 | 237 |
| 258 | Plants | 25 | 2.8K | 606 | 344 |
| 259 | rare diseases | 52 | 2.8K | 28 | 14 |
| 260 | gene mapping | 59 | 2.8K | 242 | 261 |
| 261 | Medical innovations | 18 | 2.8K | 257 | 155 |
| 262 | Signal Processing | 76 | 2.8K | 398 | 406 |
| 263 | Cardiovascular system | 31 | 2.8K | 363 | 347 |
| 264 | Manufacturing Processes | 69 | 2.7K | 319 | 241 |
| 265 | Molecular structure | 70 | 2.7K | 259 | 256 |
| 266 | Marine Pollution | 58 | 2.7K | 80 | 80 |
| 267 | drug development | 13 | 2.7K | 316 | 140 |
| 268 | Public Policy | 83 | 2.7K | 137 | 150 |
| 269 | Child psychology | 59 | 2.7K | 247 | 277 |
| 270 | Land use | 71 | 2.7K | 45 | 42 |
| 271 | cell physiology | 34 | 2.6K | 326 | 255 |
| 272 | Bioorganic chemistry | 88 | 2.6K | 325 | 385 |
| 273 | Combustion | 147 | 2.6K | 72 | 136 |
| 274 | Entrepreneurship | 27 | 2.6K | 134 | 156 |
| 275 | Hypertension | 49 | 2.6K | 285 | 346 |
| 276 | Medical Laboratory Science | 68 | 2.6K | 222 | 290 |
| 277 | Public Administration | 115 | 2.6K | 79 | 113 |
| 278 | Obstetrics | 70 | 2.6K | 346 | 277 |
| 279 | Transport | 63 | 2.5K | 26 | 30 |
| 280 | Economic History | 204 | 2.5K | 139 | 298 |
| 281 | Mechanical Engineering | 145 | 2.5K | 135 | 164 |
| 282 | International Finance | 90 | 2.5K | 79 | 110 |
| 283 | cryosphere | 29 | 2.5K | 80 | 42 |
| 284 | soil microbiology | 28 | 2.4K | 386 | 291 |
| 285 | natural disasters | 35 | 2.4K | 140 | 56 |
| 286 | free radicals | 44 | 2.4K | 192 | 220 |
| 287 | Cognition | 61 | 2.4K | 308 | 297 |
| 288 | Fluid Dynamics | 87 | 2.4K | 84 | 91 |
| 289 | Organic Chemistry | 53 | 2.4K | 776 | 530 |
| 290 | locomotion | 24 | 2.4K | 99 | 38 |
| 290 | posture | 24 | 2.4K | 99 | 38 |
| 290 | gait | 24 | 2.4K | 99 | 38 |
| 290 | walking | 24 | 2.4K | 99 | 38 |
| 294 | Bioenergetics | 21 | 2.4K | 218 | 81 |
| 295 | polymerization | 67 | 2.4K | 850 | 708 |
| 296 | plant molecular biology | 17 | 2.4K | 574 | 364 |
| 297 | Fisheries | 73 | 2.3K | 161 | 152 |
| 298 | Neuromuscular diseases | 40 | 2.3K | 69 | 45 |
| 299 | Animal ecology | 49 | 2.3K | 191 | 162 |
| 299 | finance | 84 | 2.3K | 247 | 267 |
| 301 | Regional Economics | 44 | 2.3K | 11 | 8 |
| 302 | Industrial Microbiology | 39 | 2.3K | 321 | 242 |
| 303 | Telecommunication | 58 | 2.3K | 470 | 415 |
| 304 | Information Science | 45 | 2.3K | 429 | 307 |
| 305 | Conservation Biology | 26 | 2.3K | 245 | 143 |
| 306 | Water quality management | 93 | 2.3K | 85 | 105 |
| 307 | Cerebral cortex | 49 | 2.3K | 130 | 161 |
| 308 | disabilities | 32 | 2.2K | 108 | 37 |
| 309 | Plant physiology | 35 | 2.2K | 554 | 439 |
| 310 | Drug delivery systems | 27 | 2.2K | 341 | 190 |
| 311 | Immunotherapy | 32 | 2.2K | 397 | 294 |
| 311 | fuel cells | 52 | 2.2K | 159 | 247 |
| 313 | health planning | 103 | 2.2K | 94 | 131 |
| 314 | Linguistics | 76 | 2.2K | 149 | 136 |
| 315 | Political Geography | 87 | 2.1K | 2 | 7 |
| 316 | Palliative Care | 37 | 2.1K | 121 | 53 |
| 316 | Genetic therapy | 41 | 2.1K | 161 | 138 |
| 318 | cell membrane | 19 | 2.1K | 181 | 73 |
| 319 | Detectors | 74 | 2.1K | 93 | 80 |
| 320 | Energy metabolism | 19 | 2.1K | 196 | 78 |
| 321 | Physical fitness | 38 | 2.1K | 123 | 98 |
| 322 | Soil biology | 28 | 2.1K | 227 | 191 |
| 323 | Waste management | 92 | 2.1K | 37 | 51 |
| 324 | Ophthalmology | 67 | 2.1K | 283 | 294 |
| 325 | Australia | 124 | 2.1K | 77 | 108 |
| 326 | Plant cells | 26 | 2.1K | 336 | 393 |
| 327 | Schizophrenia | 30 | 2.1K | 231 | 169 |
| 328 | Process Control | 43 | 2.1K | 67 | 127 |
| 329 | Entomology | 68 | 2.1K | 318 | 230 |
| 330 | Small Business | 38 | 2.0K | 52 | 155 |
| 331 | Chromosome mapping | 43 | 2.0K | 278 | 262 |
| 332 | Decision making | 48 | 2.0K | 165 | 160 |
| 333 | food technology | 49 | 2.0K | 447 | 387 |
| 334 | Clinical Psychology | 45 | 2.0K | 242 | 269 |
| 335 | Physical Chemistry | 29 | 2.0K | 661 | 429 |
| 336 | Soil Science | 57 | 2.0K | 247 | 264 |
| 337 | Economic Development | 38 | 1.9K | 272 | 253 |
| 338 | Pharmacogenetics | 40 | 1.9K | 110 | 95 |
| 338 | Wireless Communication Systems | 45 | 1.9K | 509 | 362 |
| 340 | energy resources | 30 | 1.9K | 270 | 291 |
| 341 | psychotherapy | 42 | 1.9K | 259 | 263 |
| 342 | ethanol | 30 | 1.9K | 57 | 15 |
| 343 | animals | 59 | 1.9K | 96 | 62 |
| 344 | Sustainable Development | 37 | 1.9K | 258 | 256 |
| 345 | Atmospheric Physics | 16 | 1.9K | 592 | 328 |
| 346 | Nanostructured Materials | 56 | 1.8K | 715 | 744 |
| 347 | Health Information Management | 15 | 1.8K | 29 | 69 |
| 347 | Hydraulic Engineering | 35 | 1.8K | 185 | 106 |
| 349 | Optics | 88 | 1.8K | 821 | 755 |
| 350 | Agricultural Engineering | 78 | 1.8K | 9 | 26 |
| 351 | Computer Science | 86 | 1.8K | 82 | 96 |
| 352 | Adolescent Medicine | 4 | 1.8K | 395 | 116 |
| 353 | Urban Policy | 49 | 1.8K | 45 | 44 |
| 354 | Environmental Law | 27 | 1.8K | 212 | 216 |
| 355 | Anthropology | 43 | 1.8K | 312 | 163 |
| 356 | Tourism | 35 | 1.8K | 288 | 313 |
| 357 | planning | 121 | 1.8K | 1 | 18 |
| 358 | Biogeography | 14 | 1.8K | 411 | 214 |
| 359 | pain | 35 | 1.8K | 279 | 251 |
| 360 | Growth | 33 | 1.8K | 276 | 316 |
| 361 | gene therapy | 35 | 1.8K | 175 | 169 |
| 362 | Sports Medicine | 61 | 1.8K | 433 | 431 |
| 363 | Developing countries | 74 | 1.8K | 215 | 297 |
| 364 | Archaeology | 74 | 1.8K | 166 | 155 |
| 365 | Europa | 49 | 1.7K | 22 | 27 |
| 366 | Molecules | 68 | 1.7K | 215 | 233 |
| 367 | Fishery resources | 54 | 1.7K | 32 | 38 |
| 368 | drug addiction | 40 | 1.7K | 212 | 195 |
| 369 | Neural circuitry | 56 | 1.7K | 210 | 286 |
| 370 | Medical Microbiology | 42 | 1.7K | 458 | 513 |
| 371 | Information Technology | 45 | 1.7K | 323 | 362 |
| 372 | Cloud Computing | 34 | 1.7K | 9 | 3 |
| 373 | Urology | 39 | 1.7K | 352 | 280 |
| 374 | Molecular Genetics | 45 | 1.7K | 356 | 428 |
| 374 | Sea | 53 | 1.7K | 28 | 33 |
| 376 | Water Purification | 74 | 1.7K | 40 | 59 |
| 377 | Human-Computer Interaction | 56 | 1.6K | 97 | 143 |
| 378 | Recycling | 16 | 1.6K | 138 | 101 |
| 379 | economic policy | 121 | 1.6K | 120 | 240 |
| 380 | feeding behavior | 44 | 1.6K | 77 | 90 |
| 380 | Appetite | 44 | 1.6K | 52 | 69 |
| 382 | Production Engineering | 48 | 1.6K | 341 | 216 |
| 382 | internet | 32 | 1.6K | 296 | 231 |
| 384 | Medical Oncology | 36 | 1.6K | 353 | 324 |
| 385 | Earthquake Engineering | 45 | 1.6K | 291 | 263 |
| 386 | Serology | 67 | 1.6K | 9 | 17 |
| 387 | Soil Mechanics | 40 | 1.6K | 223 | 199 |
| 387 | Internet of Things | 28 | 1.6K | 240 | 172 |
| 389 | Artificial Intelligence | 100 | 1.6K | 421 | 809 |
| 390 | Energy Consumption | 11 | 1.6K | 118 | 38 |
| 391 | Genetic disorders | 48 | 1.6K | 38 | 42 |
| 391 | Geodynamics | 31 | 1.6K | 221 | 189 |
| 391 | scientific societies | 46 | 1.6K | 64 | 61 |
| 394 | Organizational Sociology | 42 | 1.6K | 15 | 16 |
| 395 | Natural resources | 18 | 1.6K | 203 | 103 |
| 396 | Long-Term Care | 17 | 1.6K | 133 | 75 |
| 396 | Long-term care facilities | 17 | 1.6K | 132 | 75 |
| 398 | Production Management | 35 | 1.6K | 204 | 324 |
| 399 | Risk Management | 34 | 1.6K | 51 | 45 |
| 400 | Histology | 39 | 1.6K | 392 | 353 |
| 401 | Immunochemistry | 28 | 1.6K | 164 | 65 |
| 402 | Respiration | 18 | 1.6K | 519 | 283 |
| 403 | Plant Ecology | 29 | 1.5K | 489 | 429 |
| 403 | Cell death | 28 | 1.5K | 278 | 320 |
| 405 | sustainability | 22 | 1.5K | 157 | 153 |
| 406 | Diagnostic Imaging | 32 | 1.5K | 412 | 322 |
| 407 | Systems Biology | 46 | 1.5K | 197 | 184 |
| 408 | Building Materials | 19 | 1.5K | 700 | 472 |
| 409 | Structural Engineering | 47 | 1.5K | 326 | 290 |
| 410 | Bone diseases | 15 | 1.5K | 107 | 85 |
| 411 | Hydrodynamics | 23 | 1.5K | 128 | 76 |
| 412 | actuators | 34 | 1.5K | 549 | 468 |
| 412 | transducers | 34 | 1.5K | 549 | 468 |
| 414 | International Relations | 103 | 1.5K | 60 | 117 |
| 415 | Data Mining | 32 | 1.5K | 248 | 266 |
| 416 | Gene expression regulation | 29 | 1.5K | 149 | 174 |
| 417 | Solid State Chemistry | 37 | 1.5K | 712 | 411 |
| 417 | Risk | 29 | 1.5K | 58 | 67 |
| 419 | Applied Linguistics | 50 | 1.5K | 29 | 24 |
| 420 | Information Theory | 25 | 1.5K | 399 | 236 |
| 421 | Animal genetics | 48 | 1.4K | 76 | 81 |
| 422 | Optical materials | 35 | 1.4K | 733 | 725 |
| 423 | Human evolution | 17 | 1.4K | 124 | 82 |
| 424 | eye | 7 | 1.4K | 88 | 67 |
| 425 | Chemical industry | 32 | 1.4K | 239 | 87 |
| 426 | Biosensors | 28 | 1.4K | 274 | 307 |
| 427 | Retina | 6 | 1.4K | 85 | 63 |
| 427 | Geomagnetism | 18 | 1.4K | 216 | 92 |
| 427 | Animal breeding | 48 | 1.4K | 108 | 92 |
| 430 | Software Engineering | 29 | 1.4K | 207 | 152 |
| 431 | health services accessibility | 46 | 1.4K | 98 | 95 |
| 432 | Zoology | 69 | 1.4K | 373 | 421 |
| 433 | Mechanics | 28 | 1.4K | 292 | 121 |
| 434 | world | 27 | 1.4K | 122 | 145 |
| 435 | innovation | 19 | 1.4K | 98 | 184 |
| 436 | Political Sociology | 24 | 1.4K | 78 | 43 |
| 436 | Animal Nutrition | 46 | 1.4K | 72 | 68 |
| 438 | disease outbreaks | 22 | 1.4K | 97 | 61 |
| 438 | Epidemics | 22 | 1.4K | 95 | 60 |
| 440 | Wildlife conservation | 39 | 1.3K | 188 | 267 |
| 441 | Cardiovascular diseases | 27 | 1.3K | 442 | 306 |
| 442 | Health promotion | 28 | 1.3K | 243 | 182 |
| 443 | infection | 20 | 1.3K | 498 | 346 |
| 444 | Paleoclimatology | 38 | 1.3K | 218 | 256 |
| 445 | Developmental Genetics | 15 | 1.3K | 167 | 173 |
| 446 | Hydrogeology | 46 | 1.3K | 29 | 47 |
| 446 | Fluid Mechanics | 50 | 1.3K | 242 | 266 |
| 448 | Naval Architecture | 77 | 1.3K | 16 | 21 |
| 449 | China | 50 | 1.3K | 495 | 406 |
| 450 | Intellectual disability | 43 | 1.3K | 118 | 123 |
| 451 | Organometallic compounds | 46 | 1.2K | 184 | 228 |
| 452 | Image Processing | 32 | 1.2K | 600 | 550 |
| 453 | Transportation Engineering | 28 | 1.2K | 48 | 40 |
| 453 | Feminism | 54 | 1.2K | 15 | 24 |
| 455 | community development | 51 | 1.2K | 20 | 30 |
| 456 | Sites | 24 | 1.2K | 112 | 111 |
| 457 | Substance Abuse | 42 | 1.2K | 261 | 255 |
| 458 | social science | 17 | 1.2K | 19 | 23 |
| 459 | Synthetic biology | 51 | 1.2K | 13 | 26 |
| 459 | Flood control | 18 | 1.2K | 17 | 2 |
| 461 | Phonetics | 25 | 1.2K | 57 | 29 |
| 461 | data collection | 25 | 1.2K | 169 | 231 |
| 463 | Invertebrates | 35 | 1.2K | 61 | 46 |
| 464 | Social behavior | 22 | 1.2K | 345 | 273 |
| 465 | Bioelectronics | 24 | 1.2K | 244 | 316 |
| 466 | Flood forecasting | 16 | 1.2K | 4 | 1 |
| 467 | Orthopedics | 19 | 1.2K | 488 | 308 |
| 467 | emergency management | 19 | 1.2K | 106 | 50 |
| 469 | Industrial Engineering | 44 | 1.2K | 313 | 354 |
| 469 | Environmental pollutants | 30 | 1.2K | 510 | 466 |
| 471 | Carcinogenesis | 35 | 1.2K | 133 | 185 |
| 472 | Intelligent Transportation Systems | 38 | 1.2K | 155 | 230 |
| 473 | Kidney diseases | 23 | 1.2K | 195 | 142 |
| 474 | mutagens | 24 | 1.2K | 165 | 178 |
| 475 | Econometrics | 38 | 1.2K | 276 | 274 |
| 476 | industrial relations | 59 | 1.2K | 77 | 89 |
| 477 | Uncertainty | 18 | 1.1K | 15 | 18 |
| 478 | Psycholinguistics | 36 | 1.1K | 182 | 241 |
| 479 | Mycology | 44 | 1.1K | 268 | 351 |
| 479 | personality | 25 | 1.1K | 476 | 483 |
| 481 | Cognitive Science | 32 | 1.1K | 320 | 377 |
| 482 | computer networks | 38 | 1.1K | 548 | 532 |
| 483 | Nutrigenomics | 19 | 1.1K | 5 | 5 |
| 484 | Mental Health | 67 | 1.1K | 170 | 254 |
| 485 | Hormones | 25 | 1.1K | 345 | 307 |
| 486 | RNA | 17 | 1.1K | 126 | 93 |
| 487 | Pregnancy | 28 | 1.1K | 126 | 87 |
| 488 | Health insurance | 7 | 1.1K | 212 | 97 |
| 489 | Recombinant DNA | 29 | 1.1K | 310 | 250 |
| 490 | Transgenic plants | 13 | 1.1K | 108 | 46 |
| 490 | hazard mitigation | 15 | 1.1K | 229 | 85 |
| 490 | Birds | 50 | 1.1K | 184 | 163 |
| 493 | Lipids | 7 | 1.1K | 764 | 326 |
| 494 | Social policy | 42 | 1.1K | 112 | 99 |
| 495 | Photogrammetry | 105 | 1.1K | 36 | 22 |
| 495 | Speech | 28 | 1.1K | 204 | 187 |
| 497 | Vaccines | 20 | 1.1K | 505 | 335 |
| 498 | Fungi | 41 | 1.1K | 160 | 265 |
| 499 | Systems Engineering | 47 | 1.1K | 326 | 417 |
| 500 | Petroleum Geology | 20 | 1.1K | 122 | 80 |
| 501 | Architecture | 50 | 1.1K | 35 | 21 |
| 502 | mass transfer | 33 | 1.1K | 439 | 454 |
| 503 | Learning | 40 | 1.1K | 253 | 356 |
| 504 | Venture Capital | 6 | 1.0K | 161 | 156 |
| 505 | Quality of life | 34 | 1.0K | 221 | 295 |
| 506 | Metals | 36 | 1.0K | 484 | 542 |
| 507 | Paleontology | 24 | 1.0K | 406 | 264 |
| 508 | Plant diseases | 41 | 1.0K | 388 | 430 |
| 509 | Marine Geology | 19 | 1.0K | 139 | 76 |
| 510 | Food Policy | 18 | 1.0K | 60 | 44 |
| 511 | language | 24 | 1.0K | 196 | 170 |
| 512 | Clinical Biochemistry | 25 | 1.0K | 268 | 219 |
| 513 | Ornithology | 43 | 1.0K | 152 | 121 |
| 514 | Sustainable agriculture | 19 | 1.0K | 124 | 92 |
| 515 | Social work | 47 | 1.0K | 254 | 219 |
| 516 | Cognitive neuroscience | 22 | 1.0K | 315 | 344 |
| 517 | Semiconductors | 70 | 1.0K | 226 | 299 |
| 518 | Nanoparticles | 21 | 1.0K | 605 | 478 |
| 519 | Sports | 57 | 996 | 373 | 500 |
| 520 | Molecular cloning | 26 | 994 | 317 | 257 |
| 520 | Genetic recombination | 26 | 994 | 305 | 254 |
| 520 | Body Image | 13 | 994 | 54 | 31 |
| 523 | Environmental Geology | 25 | 990 | 379 | 315 |
| 524 | Biometrics | 64 | 987 | 120 | 223 |
| 525 | Environmentalism | 20 | 986 | 8 | 18 |
| 526 | epilepsy | 24 | 981 | 205 | 144 |
| 526 | Food additives | 18 | 981 | 310 | 259 |
| 528 | agricultural policy | 17 | 980 | 44 | 36 |
| 529 | Geodesy | 32 | 979 | 72 | 61 |
| 530 | Human biology | 57 | 974 | 30 | 60 |
| 531 | Chemotherapy | 39 | 971 | 243 | 276 |
| 532 | risk factors | 16 | 969 | 214 | 126 |
| 533 | counseling | 25 | 966 | 382 | 276 |
| 534 | Stochastic Processes | 25 | 959 | 154 | 58 |
| 535 | Communication | 48 | 958 | 380 | 555 |
| 536 | Parasitology | 22 | 957 | 781 | 490 |
| 537 | Pharmacy | 30 | 947 | 539 | 512 |
| 537 | Nutrition physiology | 40 | 947 | 57 | 141 |
| 539 | Infections | 15 | 945 | 379 | 336 |
| 540 | Aquatic ecology | 31 | 944 | 122 | 120 |
| 541 | Numerical Analysis | 41 | 933 | 521 | 429 |
| 541 | Vision | 35 | 933 | 140 | 195 |
| 543 | proteins | 39 | 926 | 410 | 511 |
| 544 | Operations Research | 40 | 924 | 548 | 628 |
| 545 | Antigens | 32 | 923 | 127 | 150 |
| 546 | Human Resources | 22 | 922 | 54 | 88 |
| 547 | Teaching | 86 | 920 | 140 | 343 |
| 548 | Sarcopenia | 16 | 916 | 51 | 77 |
| 549 | Neurolinguistics | 26 | 915 | 59 | 95 |
| 550 | Remote Sensing | 76 | 913 | 79 | 164 |
| 550 | pollutants | 20 | 913 | 556 | 493 |
| 552 | Population | 30 | 912 | 128 | 165 |
| 553 | ecosystem | 26 | 908 | 333 | 424 |
| 554 | Social welfare | 36 | 907 | 78 | 65 |
| 554 | older people | 135 | 907 | 113 | 250 |
| 556 | Nephrology | 14 | 905 | 163 | 137 |
| 557 | Information Systems | 23 | 896 | 311 | 236 |
| 557 | Agronomy | 9 | 896 | 168 | 130 |
| 559 | Hearing | 18 | 894 | 206 | 130 |
| 560 | Mitochondria | 31 | 893 | 1 | 12 |
| 561 | Agricultural Chemistry | 22 | 888 | 684 | 613 |
| 561 | Medical Physics | 23 | 888 | 513 | 485 |
| 563 | Chromosomes | 24 | 887 | 189 | 217 |
| 564 | Crystallography | 71 | 885 | 192 | 216 |
| 565 | Biopharmaceutics | 30 | 879 | 169 | 238 |
| 565 | Mental Health Services | 55 | 879 | 137 | 237 |
| 565 | Turbulence | 58 | 879 | 5 | 14 |
| 565 | Culture techniques | 6 | 879 | 168 | 27 |
| 569 | Oxidative stress | 16 | 875 | 195 | 267 |
| 569 | Antibodies | 27 | 875 | 93 | 105 |
| 571 | Patient education | 18 | 874 | 170 | 149 |
| 572 | Energy Storage | 25 | 873 | 298 | 327 |
| 573 | Humanities | 36 | 869 | 186 | 105 |
| 574 | Clinical Trials | 21 | 867 | 109 | 79 |
| 574 | miniaturization | 14 | 867 | 774 | 673 |
| 576 | Food Microbiology | 25 | 866 | 265 | 370 |
| 577 | Social Psychology | 38 | 864 | 536 | 712 |
| 577 | Bioinorganic chemistry | 33 | 864 | 338 | 333 |
| 579 | Neuropsychiatry | 27 | 860 | 157 | 174 |
| 580 | Clinical Immunology | 31 | 855 | 232 | 288 |
| 580 | Medical Ethics | 28 | 855 | 256 | 128 |
| 582 | Analytical Biochemistry | 25 | 852 | 403 | 388 |
| 583 | Quality Control | 42 | 849 | 186 | 325 |
| 583 | international cooperation | 22 | 849 | 106 | 110 |
| 585 | machinery | 32 | 845 | 89 | 91 |
| 586 | carcinogens | 19 | 841 | 234 | 242 |
| 587 | voice | 17 | 832 | 119 | 50 |
| 588 | health services | 23 | 826 | 247 | 184 |
| 589 | construction | 29 | 825 | 14 | 22 |
| 590 | plant communities | 18 | 822 | 374 | 418 |
| 591 | Rock Mechanics | 29 | 816 | 220 | 271 |
| 592 | Music | 18 | 807 | 234 | 100 |
| 592 | Money | 17 | 807 | 18 | 26 |
| 594 | Psychosomatic Medicine | 17 | 806 | 239 | 216 |
| 594 | Soil ecology | 13 | 806 | 278 | 205 |
| 596 | soil management | 16 | 805 | 144 | 131 |
| 597 | Mechatronics | 16 | 804 | 266 | 168 |
| 598 | Structural dynamics | 24 | 802 | 287 | 344 |
| 599 | hydrocolloids | 12 | 800 | 245 | 247 |
| 600 | Bacterial infections | 14 | 797 | 238 | 308 |
| 601 | Molecular ecology | 21 | 792 | 332 | 443 |
| 602 | population geography | 30 | 789 | 30 | 46 |
| 603 | brain mapping | 16 | 786 | 204 | 229 |
| 604 | Pharmacognosy | 7 | 784 | 1169 | 581 |
| 605 | Food preferences | 15 | 781 | 101 | 73 |
| 606 | landscapes | 40 | 780 | 4 | 11 |
| 607 | Bacteria | 7 | 778 | 162 | 98 |
| 608 | Restoration Ecology | 8 | 776 | 184 | 74 |
| 609 | environmental exposure | 20 | 772 | 558 | 531 |
| 610 | Global Health | 27 | 769 | 174 | 125 |
| 611 | Housing | 33 | 766 | 40 | 81 |
| 611 | viral genetics | 7 | 766 | 150 | 182 |
| 613 | Paleoecology | 27 | 764 | 282 | 336 |
| 614 | Biogeochemical cycles | 5 | 763 | 278 | 211 |
| 615 | Economic planning | 15 | 762 | 98 | 56 |
| 616 | Cybernetics | 28 | 758 | 388 | 497 |
| 617 | Measurement | 29 | 747 | 263 | 242 |
| 617 | enzymes | 29 | 747 | 350 | 445 |
| 619 | Nonlinear Dynamics | 38 | 739 | 573 | 677 |
| 619 | Magnetic Materials | 21 | 739 | 518 | 417 |
| 621 | Drug design | 26 | 737 | 298 | 392 |
| 622 | Mobile Computing | 18 | 736 | 330 | 257 |
| 623 | Computational Fluid Dynamics | 13 | 734 | 232 | 106 |
| 623 | mycoses | 8 | 734 | 396 | 319 |
| 625 | Project Management | 12 | 733 | 90 | 111 |
| 626 | Industrial Sociology | 24 | 728 | 17 | 30 |
| 627 | Medical Technology | 26 | 723 | 336 | 363 |
| 627 | Organizational Behavior | 20 | 723 | 146 | 246 |
| 629 | Microelectronics | 21 | 719 | 616 | 671 |
| 630 | Pediatric Rheumatology | 30 | 715 | 12 | 10 |
| 631 | Metallurgy | 32 | 713 | 603 | 661 |
| 632 | Comparative Physiology | 19 | 712 | 241 | 220 |
| 633 | Architectural Design | 24 | 707 | 57 | 36 |
| 633 | Informatics | 19 | 707 | 183 | 170 |
| 635 | Regional Development | 10 | 701 | 91 | 28 |
| 635 | Development planning | 10 | 701 | 64 | 25 |
| 637 | Photonics | 19 | 697 | 753 | 738 |
| 637 | preventive medicine | 16 | 697 | 392 | 373 |
| 639 | Globalization | 32 | 694 | 41 | 81 |
| 640 | clay | 14 | 693 | 243 | 201 |
| 641 | Multimedia Systems | 15 | 685 | 727 | 354 |
| 642 | Ceramic materials | 23 | 677 | 351 | 329 |
| 643 | Geographic information systems | 35 | 675 | 110 | 135 |
| 644 | Marine resources | 29 | 664 | 78 | 111 |
| 645 | Exercise | 29 | 662 | 326 | 366 |
| 646 | Consumer education | 12 | 658 | 65 | 64 |
| 646 | civil service | 19 | 658 | 74 | 87 |
| 648 | Plant breeding | 10 | 657 | 317 | 146 |
| 649 | Physical organic chemistry | 40 | 648 | 208 | 368 |
| 650 | Plant genetic engineering | 10 | 647 | 400 | 311 |
| 651 | Autoimmune diseases | 19 | 641 | 134 | 174 |
| 652 | Organometallic chemistry | 22 | 639 | 705 | 477 |
| 653 | Paleogeography | 17 | 637 | 352 | 350 |
| 654 | Biomass | 16 | 634 | 137 | 180 |
| 655 | Inflammation | 11 | 632 | 447 | 387 |
| 656 | protein | 25 | 631 | 297 | 362 |
| 657 | DNA polymerases | 12 | 630 | 135 | 244 |
| 658 | Forest Management | 14 | 629 | 377 | 322 |
| 658 | Chemical processes | 13 | 629 | 166 | 77 |
| 660 | Mathematical Physics | 46 | 620 | 755 | 893 |
| 661 | Medicinal plants | 3 | 618 | 1326 | 507 |
| 662 | Insects | 23 | 617 | 381 | 350 |
| 663 | Agricultural Economics | 66 | 616 | 3 | 7 |
| 664 | Forest Ecology | 13 | 615 | 419 | 355 |
| 665 | Aquaculture | 24 | 613 | 407 | 445 |
| 666 | Digestive system diseases | 19 | 612 | 298 | 257 |
| 667 | Teratology | 16 | 610 | 58 | 61 |
| 668 | Solar Energy | 13 | 608 | 750 | 655 |
| 668 | Biomechanics | 19 | 608 | 403 | 423 |
| 670 | Soil | 15 | 606 | 14 | 23 |
| 671 | Urban Planning | 22 | 605 | 47 | 78 |
| 672 | Tribology | 21 | 604 | 354 | 318 |
| 672 | Ceramics | 13 | 604 | 623 | 372 |
| 672 | Glass | 13 | 604 | 434 | 328 |
| 672 | pottery | 13 | 604 | 422 | 323 |
| 676 | Educational Technology | 27 | 597 | 330 | 440 |
| 676 | data protection | 23 | 597 | 30 | 60 |
| 678 | Language Arts | 22 | 596 | 12 | 3 |
| 679 | Computer Vision | 15 | 594 | 419 | 455 |
| 680 | Sustainable Engineering | 18 | 593 | 561 | 652 |
| 681 | carbon monoxide | 12 | 591 | 62 | 60 |
| 682 | Feminist theory | 22 | 590 | 16 | 21 |
| 682 | Familial diseases | 12 | 590 | 39 | 18 |
| 684 | Population Genetics | 16 | 589 | 459 | 494 |
| 685 | Dermatology | 25 | 579 | 507 | 534 |
| 686 | Developmental Psychology | 15 | 573 | 397 | 419 |
| 687 | abnormalities | 14 | 572 | 31 | 33 |
| 688 | mathematical analysis | 53 | 570 | 592 | 697 |
| 689 | Industrial Safety | 16 | 564 | 362 | 297 |
| 689 | Photochemistry | 34 | 564 | 317 | 552 |
| 691 | Synaptic Transmission | 11 | 560 | 176 | 126 |
| 692 | Molecular evolution | 17 | 554 | 511 | 624 |
| 692 | venom | 13 | 554 | 228 | 162 |
| 692 | Toxins | 13 | 554 | 262 | 179 |
| 695 | Development | 14 | 548 | 260 | 286 |
| 696 | Elderly | 123 | 547 | 88 | 179 |
| 696 | multimedia | 9 | 547 | 226 | 166 |
| 696 | Interactive multimedia | 9 | 547 | 258 | 171 |
| 699 | DNA methylation | 16 | 536 | 34 | 79 |
| 700 | Logistics | 9 | 528 | 230 | 189 |
| 701 | Sociolinguistics | 9 | 527 | 216 | 90 |
| 702 | Nanostructures | 12 | 526 | 933 | 826 |
| 703 | liver | 16 | 525 | 49 | 33 |
| 704 | Educational Psychology | 31 | 524 | 385 | 553 |
| 705 | environmental indicators | 9 | 523 | 593 | 456 |
| 705 | Socioeconomic Factors | 23 | 523 | 140 | 193 |
| 707 | Research methodology | 5 | 522 | 50 | 17 |
| 708 | heredity | 24 | 518 | 109 | 135 |
| 708 | tillage | 7 | 518 | 222 | 168 |
| 710 | calcification | 14 | 517 | 173 | 195 |
| 711 | Physical Therapy | 18 | 516 | 414 | 475 |
| 712 | transgenic organisms | 6 | 514 | 105 | 40 |
| 712 | transgenic animals | 6 | 514 | 98 | 35 |
| 714 | Feasibility studies | 48 | 510 | 11 | 24 |
| 714 | Acarology | 8 | 510 | 116 | 41 |
| 714 | Mites | 8 | 510 | 186 | 56 |
| 714 | Ticks | 8 | 510 | 112 | 41 |
| 714 | Acari | 8 | 510 | 112 | 41 |
| 719 | Algae | 15 | 509 | 281 | 282 |
| 720 | Bioethics | 23 | 508 | 237 | 183 |
| 721 | Production Planning | 15 | 507 | 48 | 74 |
| 721 | Production Control | 15 | 507 | 47 | 74 |
| 723 | Forensic Psychiatry | 25 | 505 | 105 | 116 |
| 724 | System analysis | 25 | 504 | 726 | 843 |
| 725 | Neonatology | 17 | 501 | 130 | 129 |
| 726 | Groundwater | 9 | 500 | 251 | 152 |
| 727 | Health Services Administration | 10 | 499 | 410 | 256 |
| 728 | Coastal zone management | 21 | 497 | 110 | 154 |
| 728 | Watershed management | 6 | 497 | 70 | 4 |
| 730 | Parkinson's disease | 16 | 495 | 32 | 52 |
| 731 | Nuclear Medicine | 8 | 494 | 500 | 304 |
| 732 | Pharmaceutical Technology | 14 | 493 | 649 | 599 |
| 733 | Telecommunication Systems | 34 | 492 | 281 | 401 |
| 734 | Molecular Pharmacology | 12 | 485 | 303 | 345 |
| 735 | Magnetic Resonance Imaging | 6 | 484 | 253 | 114 |
| 736 | Sales management | 5 | 481 | 157 | 170 |
| 736 | selling | 5 | 481 | 157 | 170 |
| 738 | Control Theory | 17 | 480 | 735 | 614 |
| 738 | Molecular Imaging | 6 | 480 | 385 | 253 |
| 738 | micromechanics | 16 | 480 | 177 | 171 |
| 741 | biological invasions | 11 | 477 | 213 | 191 |
| 742 | Photobiology | 22 | 474 | 275 | 435 |
| 743 | Asia | 34 | 471 | 535 | 663 |
| 743 | freshwater biology | 18 | 471 | 244 | 296 |
| 745 | food contamination | 11 | 465 | 346 | 183 |
| 746 | Genetic epidemiology | 21 | 460 | 53 | 78 |
| 747 | Immunogenetics | 26 | 458 | 112 | 180 |
| 748 | Drying | 13 | 452 | 109 | 93 |
| 749 | Thin Films | 16 | 450 | 107 | 70 |
| 749 | Roads | 15 | 450 | 279 | 198 |
| 749 | behavior therapy | 13 | 450 | 356 | 354 |
| 749 | Parasites | 14 | 450 | 637 | 516 |
| 753 | Fracture mechanics | 26 | 448 | 430 | 547 |
| 753 | Economic Assistance | 13 | 448 | 236 | 314 |
| 755 | Physical Geography | 9 | 447 | 197 | 131 |
| 755 | Human Rights | 23 | 447 | 94 | 105 |
| 755 | DNA | 10 | 447 | 206 | 104 |
| 758 | biochemical markers | 14 | 444 | 136 | 89 |
| 759 | local government | 28 | 441 | 26 | 96 |
| 759 | Autoantibodies | 17 | 441 | 130 | 223 |
| 759 | Autoimmunity | 17 | 441 | 216 | 353 |
| 762 | Steroids | 13 | 439 | 370 | 335 |
| 763 | occupational diseases | 15 | 437 | 234 | 285 |
| 764 | Algebra | 32 | 435 | 397 | 299 |
| 765 | eugenics | 16 | 433 | 127 | 130 |
| 766 | Learning disabilities | 24 | 429 | 210 | 278 |
| 767 | Robotics | 10 | 422 | 949 | 687 |
| 768 | Landslides | 6 | 420 | 115 | 89 |
| 769 | Marine Ecology | 23 | 418 | 172 | 223 |
| 770 | Parasitic Diseases | 21 | 417 | 586 | 770 |
| 770 | educational innovations | 12 | 417 | 164 | 153 |
| 772 | Ethics | 20 | 413 | 230 | 211 |
| 772 | global environmental change | 10 | 413 | 331 | 409 |
| 772 | Culture | 48 | 413 | 127 | 239 |
| 775 | Dietetics | 27 | 412 | 131 | 198 |
| 776 | Flow cytometry | 17 | 410 | 54 | 100 |
| 777 | Bones | 19 | 407 | 214 | 383 |
| 778 | Cell cycle | 28 | 403 | 24 | 77 |
| 778 | cell proliferation | 28 | 403 | 29 | 81 |
| 780 | Chemical analysis | 14 | 401 | 401 | 443 |
| 781 | Pharmacokinetics | 12 | 400 | 280 | 337 |
| 781 | Plastics | 28 | 400 | 398 | 586 |
| 783 | Occupational Health | 12 | 399 | 387 | 287 |
| 784 | Materials Engineering | 17 | 396 | 138 | 97 |
| 785 | vibration | 14 | 394 | 481 | 472 |
| 786 | Administration | 8 | 390 | 13 | 4 |
| 787 | Industrial Design | 9 | 387 | 85 | 52 |
| 788 | weather | 15 | 386 | 129 | 178 |
| 789 | Computer Graphics | 26 | 384 | 487 | 692 |
| 790 | soil conservation | 8 | 383 | 365 | 264 |
| 791 | Discourse Analysis | 19 | 382 | 54 | 108 |
| 791 | Mutagenesis | 8 | 382 | 148 | 81 |
| 793 | Marine Engineering | 55 | 381 | 17 | 31 |
| 793 | Hemodynamics | 8 | 381 | 315 | 377 |
| 795 | Leisure | 11 | 377 | 114 | 114 |
| 796 | Autism spectrum disorders | 9 | 376 | 8 | 11 |
| 796 | pain management | 8 | 376 | 289 | 189 |
| 798 | Histochemistry | 13 | 375 | 422 | 384 |
| 799 | Simulation Methods | 13 | 373 | 329 | 221 |
| 800 | Adolescent | 29 | 372 | 516 | 836 |
| 801 | Qualitative Research | 19 | 370 | 123 | 181 |
| 801 | catalytic activity | 8 | 370 | 369 | 310 |
| 801 | amino acids | 4 | 370 | 462 | 185 |
| 804 | History | 165 | 369 | 49 | 94 |
| 804 | Paleoceanography | 7 | 369 | 104 | 129 |
| 804 | cardiac catheterization | 27 | 369 | 133 | 182 |
| 804 | antibiotics | 6 | 369 | 88 | 38 |
| 808 | drug evaluation | 13 | 368 | 490 | 491 |
| 809 | health behavior | 20 | 367 | 251 | 356 |
| 809 | Crystal growth | 18 | 367 | 320 | 398 |
| 811 | Oral Medicine | 15 | 366 | 228 | 142 |
| 811 | Microscopy | 19 | 366 | 399 | 464 |
| 813 | Pituitary gland | 4 | 365 | 136 | 58 |
| 813 | Jurisprudence | 25 | 365 | 220 | 307 |
| 815 | Thorax | 7 | 363 | 217 | 197 |
| 816 | Industry | 7 | 361 | 42 | 104 |
| 817 | Risk assessment | 10 | 360 | 183 | 97 |
| 818 | Geotechnical Engineering | 24 | 358 | 127 | 202 |
| 818 | Energy Harvesting | 5 | 358 | 312 | 349 |
| 818 | clay minerals | 4 | 358 | 219 | 107 |
| 818 | Trace elements | 8 | 358 | 95 | 96 |
| 818 | race relations | 25 | 358 | 104 | 195 |
| 823 | Strategic planning | 15 | 356 | 189 | 308 |
| 823 | Biofilms | 5 | 356 | 66 | 49 |
| 823 | Scotland | 22 | 356 | 15 | 16 |
| 826 | peace | 13 | 355 | 167 | 208 |
| 827 | Criminal psychology | 16 | 352 | 282 | 331 |
| 827 | Probability | 12 | 352 | 224 | 222 |
| 827 | Sedimentology | 9 | 352 | 271 | 256 |
| 827 | Holistic Health | 14 | 352 | 89 | 90 |
| 827 | allied health | 14 | 352 | 47 | 69 |
| 832 | Industrial Ecology | 5 | 351 | 107 | 95 |
| 833 | Crystallization | 18 | 350 | 111 | 115 |
| 833 | DNS | 6 | 350 | 271 | 138 |
| 833 | particles | 18 | 350 | 225 | 307 |
| 836 | Geopolitics | 23 | 349 | 11 | 39 |
| 837 | Audiology | 19 | 348 | 239 | 307 |
| 838 | energy development | 25 | 347 | 101 | 443 |
| 839 | Microprocessors | 18 | 345 | 120 | 112 |
| 840 | mammals | 18 | 344 | 306 | 351 |
| 841 | Mass Spectrometry | 10 | 341 | 571 | 493 |
| 842 | child abuse | 15 | 340 | 298 | 422 |
| 843 | Radiology | 16 | 339 | 494 | 440 |
| 843 | Higher Education | 24 | 339 | 98 | 194 |
| 843 | Geriatric Pharmacology | 8 | 339 | 124 | 99 |
| 843 | Financial management | 11 | 339 | 157 | 236 |
| 847 | Multilingualism | 15 | 337 | 37 | 65 |
| 847 | Technological Innovations | 16 | 337 | 269 | 433 |
| 849 | electric vehicles | 14 | 335 | 90 | 128 |
| 849 | disarmament | 9 | 335 | 55 | 41 |
| 851 | X-ray crystallography | 22 | 333 | 128 | 142 |
| 852 | Dentistry | 16 | 327 | 217 | 206 |
| 852 | Nursing | 10 | 327 | 1006 | 630 |
| 852 | national security | 15 | 327 | 75 | 29 |
| 855 | Metastasis | 4 | 326 | 102 | 135 |
| 856 | Molecular Spectroscopy | 27 | 325 | 476 | 819 |
| 857 | animal diseases | 10 | 324 | 204 | 164 |
| 858 | cultural pluralism | 12 | 323 | 100 | 71 |
| 859 | Soft Condensed Matter | 18 | 322 | 389 | 534 |
| 859 | Tropical Medicine | 11 | 322 | 812 | 636 |
| 861 | recreation | 10 | 321 | 327 | 214 |
| 861 | cosmetics | 12 | 321 | 18 | 30 |
| 863 | Genetic Toxicology | 6 | 320 | 207 | 206 |
| 863 | Africa | 24 | 320 | 366 | 391 |
| 863 | Breeding | 7 | 320 | 718 | 551 |
| 866 | DNA repair | 7 | 316 | 132 | 121 |
| 866 | biopolymers | 19 | 316 | 396 | 575 |
| 868 | Endocrine glands | 4 | 314 | 194 | 204 |
| 869 | Communication in medicine | 7 | 312 | 305 | 209 |
| 870 | Soil dynamics | 11 | 310 | 204 | 211 |
| 870 | Eating Disorders | 9 | 310 | 423 | 382 |
| 870 | Feeding and Eating Disorders | 9 | 310 | 408 | 368 |
| 870 | Food Security | 3 | 310 | 140 | 53 |
| 874 | Telemedicine | 4 | 309 | 238 | 116 |
| 874 | viruses | 9 | 309 | 676 | 774 |
| 876 | human development | 9 | 308 | 429 | 449 |
| 877 | Telecommunications | 10 | 307 | 286 | 165 |
| 878 | Cosmology | 2 | 305 | 734 | 306 |
| 878 | nuclear astrophysics | 2 | 305 | 581 | 256 |
| 880 | visualization | 36 | 302 | 308 | 406 |
| 880 | Women's health | 11 | 302 | 500 | 459 |
| 882 | Computer Architecture | 12 | 301 | 181 | 126 |
| 882 | Radiobiology | 15 | 301 | 485 | 600 |
| 882 | Developmental Neurobiology | 4 | 301 | 438 | 169 |
| 885 | biological factors | 17 | 295 | 694 | 910 |
| 885 | Emotions | 10 | 295 | 284 | 394 |
| 887 | Agricultural systems | 9 | 294 | 124 | 175 |
| 887 | econometric models | 8 | 294 | 283 | 227 |
| 889 | Structural design | 11 | 293 | 353 | 372 |
| 890 | Greenhouse gases | 9 | 292 | 111 | 163 |
| 891 | Smart Materials | 11 | 290 | 411 | 405 |
| 892 | Flexible manufacturing systems | 5 | 289 | 246 | 137 |
| 893 | Proteome | 11 | 288 | 514 | 653 |
| 894 | Psychoneuroimmunology | 3 | 287 | 541 | 419 |
| 894 | Language Acquisition | 12 | 287 | 78 | 85 |
| 894 | Neuroimmunology | 3 | 287 | 598 | 456 |
| 894 | Longevity | 7 | 287 | 52 | 48 |
| 898 | Sleep | 13 | 285 | 627 | 691 |
| 899 | Sexual health | 7 | 284 | 386 | 265 |
| 900 | Sedimentary rocks | 10 | 283 | 273 | 311 |
| 901 | Thrombosis | 12 | 282 | 449 | 520 |
| 901 | food handling | 7 | 282 | 484 | 490 |
| 903 | System design | 8 | 280 | 50 | 42 |
| 904 | Microwaves | 7 | 279 | 876 | 563 |
| 905 | Gastrointestinal diseases | 7 | 278 | 345 | 196 |
| 906 | Radiation effects | 8 | 276 | 289 | 350 |
| 907 | Liposomes | 9 | 275 | 256 | 308 |
| 907 | Lipid bilayers | 9 | 275 | 220 | 275 |
| 909 | Bioremediation | 8 | 274 | 380 | 393 |
| 909 | cell interaction | 10 | 274 | 491 | 637 |
| 911 | Lipid metabolism | 2 | 272 | 503 | 230 |
| 911 | Lipid | 2 | 272 | 505 | 230 |
| 911 | Seaweed | 4 | 272 | 481 | 337 |
| 914 | concrete | 9 | 271 | 502 | 709 |
| 915 | Electron Microscopy | 7 | 270 | 229 | 131 |
| 916 | Gender Studies | 9 | 269 | 216 | 198 |
| 916 | chronic disease | 8 | 269 | 146 | 141 |
| 918 | Parallel Processing | 8 | 267 | 242 | 277 |
| 919 | ports | 13 | 266 | 69 | 84 |
| 919 | Extreme environments | 7 | 266 | 82 | 102 |
| 921 | Genetic Research | 6 | 264 | 66 | 45 |
| 921 | Diagnostic microbiology | 6 | 264 | 661 | 825 |
| 923 | Soil fertility | 5 | 263 | 202 | 202 |
| 923 | radioactive waste | 8 | 263 | 404 | 688 |
| 923 | Hazardous waste | 8 | 263 | 498 | 740 |
| 926 | Geometry | 22 | 261 | 397 | 331 |
| 926 | Computational Complexity | 30 | 261 | 108 | 279 |
| 926 | probabilities | 20 | 261 | 515 | 505 |
| 929 | social aspects | 15 | 259 | 6 | 4 |
| 930 | Evolutionary Psychology | 6 | 258 | 70 | 41 |
| 930 | Radiation Protection | 15 | 258 | 145 | 97 |
| 930 | radiation monitoring | 15 | 258 | 121 | 92 |
| 933 | violence | 8 | 257 | 549 | 547 |
| 934 | Neuroanatomy | 4 | 256 | 158 | 75 |
| 934 | Magnetic Resonance Spectroscopy | 16 | 256 | 470 | 514 |
| 934 | ozone | 6 | 256 | 47 | 17 |
| 937 | Criminal behavior | 9 | 253 | 52 | 57 |
| 938 | Dynamics | 16 | 252 | 638 | 652 |
| 938 | Organic farming | 12 | 252 | 6 | 10 |
| 940 | big data | 7 | 251 | 261 | 235 |
| 940 | Marine mammals | 4 | 251 | 182 | 99 |
| 942 | Food Preservation | 7 | 250 | 456 | 229 |
| 942 | Product life cycle | 6 | 250 | 150 | 157 |
| 942 | green products | 6 | 250 | 139 | 153 |
| 942 | fertility | 5 | 250 | 629 | 610 |
| 946 | Demography | 9 | 249 | 298 | 334 |
| 946 | Mineralogy | 5 | 249 | 964 | 701 |
| 946 | Bilingualism | 6 | 249 | 70 | 55 |
| 949 | industrial waste | 7 | 247 | 487 | 723 |
| 950 | consumer behavior | 5 | 246 | 378 | 348 |
| 951 | Digital electronics | 40 | 245 | 2 | 34 |
| 952 | Labor Economics | 8 | 244 | 252 | 258 |
| 952 | Cement | 6 | 244 | 382 | 505 |
| 954 | Semantics | 6 | 243 | 115 | 71 |
| 954 | Pharmacogenomics | 8 | 243 | 94 | 126 |
| 954 | body temperature | 8 | 243 | 206 | 171 |
| 957 | family violence | 7 | 241 | 245 | 260 |
| 958 | Mining Engineering | 8 | 240 | 262 | 278 |
| 959 | Genetic markers | 7 | 239 | 78 | 55 |
| 959 | impact | 4 | 239 | 249 | 204 |
| 961 | Engineering Mathematics | 19 | 237 | 622 | 806 |
| 962 | government | 6 | 236 | 384 | 282 |
| 963 | ethnicity | 22 | 235 | 137 | 211 |
| 963 | Sovereignty | 15 | 235 | 7 | 40 |
| 963 | Cognitive Therapy | 11 | 235 | 250 | 328 |
| 966 | Rheology | 7 | 234 | 330 | 275 |
| 967 | Critical Discourse Analysis | 9 | 233 | 5 | 8 |
| 967 | land degradation | 6 | 233 | 264 | 252 |
| 967 | degradation | 6 | 233 | 264 | 252 |
| 970 | Eastern Europe | 14 | 232 | 236 | 184 |
| 970 | Reading | 10 | 232 | 288 | 309 |
| 972 | Southeast Asia | 7 | 230 | 169 | 72 |
| 973 | X-rays | 9 | 229 | 224 | 161 |
| 974 | chronic fatigue syndrome | 17 | 228 | 5 | 5 |
| 975 | Diplomatic relations | 45 | 227 | 76 | 133 |
| 975 | Post-traumatic stress disorder | 6 | 227 | 477 | 474 |
| 977 | Carbohydrates | 5 | 226 | 296 | 256 |
| 978 | Climate Change Mitigation | 1 | 225 | 94 | 59 |
| 978 | Global warming | 1 | 225 | 341 | 63 |
| 978 | sea level | 1 | 225 | 94 | 59 |
| 981 | Sleep Disorders | 12 | 224 | 647 | 757 |
| 982 | Radio | 33 | 222 | 388 | 878 |
| 983 | Artificial Organs | 18 | 221 | 170 | 252 |
| 983 | Neuropharmacology | 8 | 221 | 298 | 332 |
| 983 | vascular diseases | 8 | 221 | 362 | 478 |
| 986 | disaster relief | 7 | 219 | 72 | 74 |
| 987 | structural stability | 4 | 218 | 276 | 219 |
| 987 | Environmental risk assessment | 8 | 218 | 141 | 147 |
| 989 | Ergonomics | 14 | 217 | 360 | 455 |
| 989 | Genes | 11 | 217 | 478 | 579 |
| 991 | women | 18 | 216 | 212 | 235 |
| 992 | Ecological Engineering | 8 | 213 | 293 | 470 |
| 992 | Radiation | 13 | 213 | 971 | 1045 |
| 992 | nuclear magnetic resonance | 18 | 213 | 387 | 511 |
| 992 | chromatin | 1 | 213 | 260 | 83 |
| 992 | educational planning | 7 | 213 | 205 | 248 |
| 997 | Emergency Medicine | 10 | 212 | 627 | 567 |
| 998 | Technology Assessment | 5 | 210 | 210 | 306 |
| 998 | Multiple sclerosis | 6 | 210 | 355 | 198 |
| 1000 | Health Physics | 12 | 209 | 24 | 25 |