| 1 | Crystallography | 155 | 168.0K | 40 | 1 |
| 2 | Chemistry | 2,934 | 144.5K | 86 | 132 |
| 3 | Physics | 2,029 | 138.4K | 191 | 218 |
| 4 | Biology | 1,259 | 117.0K | 235 | 233 |
| 5 | Science | 1,263 | 115.3K | 251 | 237 |
| 6 | Ecology | 1,254 | 85.8K | 72 | 78 |
| 7 | Biochemistry | 1,653 | 81.2K | 191 | 165 |
| 8 | Neurology | 920 | 68.7K | 160 | 131 |
| 9 | Molecular Biology | 931 | 62.3K | 244 | 222 |
| 10 | Microbiology | 1,212 | 57.9K | 95 | 144 |
| 11 | Natural history | 172 | 50.9K | 318 | 261 |
| 12 | Medicine | 1,011 | 43.0K | 310 | 343 |
| 13 | Cytology | 553 | 42.9K | 149 | 166 |
| 14 | Botany | 796 | 36.2K | 71 | 84 |
| 15 | Research | 866 | 35.4K | 251 | 224 |
| 16 | Environment | 387 | 35.1K | 177 | 133 |
| 17 | Cell Biology | 461 | 34.4K | 165 | 198 |
| 18 | Pollution | 352 | 32.6K | 234 | 138 |
| 19 | Astrophysics | 985 | 32.2K | 114 | 242 |
| 20 | Astronomy | 616 | 31.7K | 202 | 225 |
| 21 | Physiology | 748 | 28.9K | 78 | 94 |
| 22 | soil microbiology | 357 | 27.6K | 11 | 13 |
| 23 | Soil biology | 335 | 27.3K | 5 | 6 |
| 24 | Nuclear Physics | 945 | 24.5K | 236 | 309 |
| 25 | Solid State Physics | 787 | 23.6K | 135 | 162 |
| 26 | Condensed Matter | 729 | 22.9K | 139 | 169 |
| 27 | Biodiversity conservation | 242 | 22.4K | 26 | 36 |
| 28 | Biotechnology | 385 | 20.3K | 250 | 282 |
| 29 | Human genetics | 203 | 19.5K | 136 | 291 |
| 30 | Genetics | 314 | 17.9K | 191 | 254 |
| 31 | Climate change | 136 | 17.3K | 28 | 34 |
| 32 | Eutrophication | 135 | 17.3K | 27 | 33 |
| 33 | Plant Ecology | 387 | 17.2K | 6 | 11 |
| 34 | Neurophysiology | 290 | 17.1K | 156 | 168 |
| 35 | Geology | 383 | 16.0K | 146 | 138 |
| 36 | Nervous system | 146 | 15.4K | 174 | 92 |
| 37 | Biophysics | 422 | 15.1K | 316 | 296 |
| 38 | Polymers | 386 | 15.0K | 251 | 220 |
| 39 | Psychiatry | 248 | 14.9K | 302 | 260 |
| 40 | Brain | 183 | 14.5K | 208 | 125 |
| 41 | Geophysics | 229 | 14.5K | 358 | 246 |
| 42 | Medical genetics | 164 | 14.4K | 254 | 196 |
| 43 | Soil Science | 396 | 14.4K | 24 | 37 |
| 44 | Immunology | 264 | 14.3K | 299 | 312 |
| 45 | Mathematical Physics | 318 | 14.3K | 77 | 65 |
| 46 | Geochemistry | 215 | 14.2K | 127 | 93 |
| 47 | Agriculture | 303 | 14.2K | 49 | 23 |
| 48 | Materials | 347 | 13.3K | 518 | 525 |
| 49 | Biodiversity | 239 | 13.0K | 27 | 41 |
| 50 | Forest Ecology | 271 | 11.9K | 11 | 15 |
| 51 | polymerization | 277 | 11.8K | 260 | 201 |
| 52 | Microbial Ecology | 142 | 11.7K | 151 | 142 |
| 53 | Virology | 130 | 11.7K | 344 | 350 |
| 54 | Plant physiology | 199 | 11.2K | 77 | 90 |
| 55 | Petrology | 256 | 11.1K | 11 | 25 |
| 56 | environmental pollution | 162 | 10.7K | 336 | 217 |
| 57 | Pediatric Neurology | 51 | 10.5K | 142 | 64 |
| 58 | Plant cells | 111 | 10.4K | 114 | 139 |
| 59 | Mental Disorders | 109 | 10.4K | 331 | 195 |
| 60 | Mineralogy | 260 | 10.2K | 18 | 31 |
| 61 | Economic History | 288 | 10.1K | 83 | 43 |
| 62 | biological evolution | 213 | 9.8K | 82 | 172 |
| 63 | Forest Management | 215 | 9.7K | 19 | 21 |
| 64 | Mathematics | 702 | 9.5K | 212 | 233 |
| 65 | Bioengineering | 167 | 9.0K | 331 | 382 |
| 66 | Nanotechnology | 201 | 9.0K | 553 | 564 |
| 67 | Neurobiology | 100 | 8.8K | 187 | 136 |
| 68 | Economic Development | 165 | 8.8K | 31 | 41 |
| 69 | Statistical physics | 325 | 8.8K | 272 | 272 |
| 70 | world | 122 | 8.8K | 12 | 11 |
| 71 | Endocrinology | 132 | 8.7K | 347 | 305 |
| 72 | Environmental Health | 114 | 8.7K | 645 | 421 |
| 73 | Developmental Biology | 189 | 8.7K | 134 | 196 |
| 74 | Animal Behavior | 233 | 8.4K | 84 | 138 |
| 75 | Computational Biology | 87 | 8.3K | 285 | 171 |
| 76 | Statistics | 195 | 8.3K | 147 | 121 |
| 77 | Bioinformatics | 73 | 8.3K | 244 | 133 |
| 78 | Pharmacology | 253 | 8.2K | 478 | 471 |
| 79 | plant communities | 157 | 8.1K | 13 | 27 |
| 80 | Plant diseases | 212 | 8.0K | 72 | 62 |
| 81 | Developing countries | 155 | 8.0K | 73 | 42 |
| 82 | Psychophysiology | 190 | 7.9K | 241 | 263 |
| 83 | Pathology | 240 | 7.9K | 86 | 149 |
| 84 | Economics | 307 | 7.8K | 232 | 238 |
| 85 | Meteorites | 115 | 7.8K | 88 | 95 |
| 86 | Metals | 145 | 7.7K | 159 | 130 |
| 87 | Earth Sciences | 246 | 7.6K | 120 | 209 |
| 88 | Hematology | 136 | 7.4K | 420 | 331 |
| 89 | Biogeochemistry | 163 | 7.3K | 21 | 58 |
| 90 | Cardiovascular system | 132 | 7.3K | 125 | 178 |
| 91 | plant molecular biology | 107 | 7.0K | 122 | 172 |
| 92 | Plants | 135 | 6.9K | 124 | 182 |
| 93 | Development | 115 | 6.9K | 17 | 16 |
| 94 | Agricultural Ecology | 116 | 6.8K | 38 | 40 |
| 95 | Psychology | 188 | 6.8K | 460 | 409 |
| 96 | Histology | 210 | 6.6K | 35 | 80 |
| 97 | Diabetes mellitus | 93 | 6.6K | 215 | 197 |
| 97 | Diabetes | 93 | 6.6K | 252 | 215 |
| 99 | Biogeography | 110 | 6.5K | 15 | 31 |
| 100 | Medical Laboratory Science | 120 | 6.3K | 119 | 126 |
| 101 | Soil ecology | 121 | 6.3K | 11 | 12 |
| 102 | Metallurgy | 141 | 6.3K | 196 | 175 |
| 103 | Nonlinear Dynamics | 216 | 6.2K | 114 | 125 |
| 104 | Wildlife conservation | 93 | 6.2K | 60 | 51 |
| 105 | Catalysis | 128 | 6.1K | 560 | 521 |
| 106 | Neuropsychology | 154 | 6.1K | 153 | 155 |
| 107 | Embryology | 205 | 6.1K | 67 | 175 |
| 108 | Numerical Analysis | 98 | 6.0K | 186 | 35 |
| 109 | Industrial Microbiology | 109 | 6.0K | 70 | 59 |
| 110 | Geography | 123 | 5.9K | 199 | 134 |
| 111 | United Kingdom | 124 | 5.9K | 85 | 96 |
| 112 | Neurochemistry | 127 | 5.9K | 228 | 219 |
| 113 | nucleic acids | 74 | 5.9K | 246 | 260 |
| 114 | Economic Assistance | 85 | 5.8K | 20 | 16 |
| 115 | Environmental Engineering | 45 | 5.8K | 858 | 358 |
| 116 | Neurons | 33 | 5.7K | 131 | 158 |
| 117 | Food | 98 | 5.7K | 285 | 170 |
| 118 | Data Mining | 31 | 5.6K | 232 | 71 |
| 119 | genome | 37 | 5.6K | 321 | 212 |
| 120 | Critical Care | 96 | 5.6K | 137 | 169 |
| 120 | Critical Care Medicine | 96 | 5.6K | 135 | 168 |
| 122 | Cell differentiation | 84 | 5.6K | 216 | 264 |
| 123 | data collection | 25 | 5.5K | 137 | 46 |
| 124 | Evolution | 114 | 5.5K | 161 | 222 |
| 125 | Physical Chemistry | 221 | 5.5K | 68 | 170 |
| 126 | Organic Chemistry | 136 | 5.5K | 323 | 236 |
| 127 | Atmospheric Physics | 22 | 5.5K | 556 | 184 |
| 128 | Cancer | 118 | 5.5K | 471 | 496 |
| 129 | Europe | 194 | 5.4K | 169 | 134 |
| 130 | Pharmaceutical Chemistry | 93 | 5.4K | 595 | 383 |
| 131 | Spectrum analysis | 141 | 5.3K | 470 | 557 |
| 132 | Atmospheric Chemistry | 15 | 5.3K | 432 | 144 |
| 133 | Neurotransmitters | 17 | 5.2K | 110 | 9 |
| 134 | Bacteriology | 75 | 5.2K | 254 | 210 |
| 135 | Anatomy | 184 | 5.2K | 89 | 183 |
| 136 | Medical Microbiology | 112 | 5.1K | 192 | 248 |
| 137 | Bioorganic chemistry | 104 | 5.0K | 275 | 210 |
| 138 | Sleep Disorders | 64 | 4.9K | 211 | 102 |
| 139 | Animal ecology | 93 | 4.9K | 86 | 63 |
| 140 | Sleep | 64 | 4.9K | 211 | 108 |
| 141 | Quantum Gravity | 99 | 4.9K | 494 | 370 |
| 142 | ecosystem | 85 | 4.8K | 58 | 75 |
| 143 | Zoology | 117 | 4.8K | 225 | 138 |
| 144 | Public Health | 144 | 4.7K | 584 | 602 |
| 145 | management | 77 | 4.6K | 501 | 425 |
| 146 | Meteorology | 75 | 4.6K | 358 | 297 |
| 147 | Biomedical Engineering | 95 | 4.6K | 767 | 550 |
| 148 | Metabolic diseases | 68 | 4.6K | 374 | 362 |
| 149 | Paleoecology | 113 | 4.5K | 26 | 29 |
| 150 | Materials Science | 111 | 4.5K | 773 | 717 |
| 151 | Metabolism | 85 | 4.5K | 411 | 442 |
| 152 | Mental illness | 49 | 4.5K | 375 | 236 |
| 153 | Toxicology | 139 | 4.5K | 510 | 561 |
| 154 | Child psychology | 56 | 4.3K | 247 | 197 |
| 155 | Hydrology | 110 | 4.3K | 225 | 198 |
| 156 | Genomics | 125 | 4.3K | 273 | 316 |
| 157 | Immunity | 42 | 4.3K | 452 | 446 |
| 158 | sanitation | 21 | 4.2K | 563 | 277 |
| 159 | Cytogenetics | 35 | 4.2K | 318 | 212 |
| 160 | Psychosomatic Medicine | 37 | 4.2K | 111 | 47 |
| 161 | Environmental Policy | 124 | 4.2K | 194 | 359 |
| 162 | Clinical Chemistry | 75 | 4.1K | 424 | 307 |
| 163 | Muscles | 49 | 4.1K | 77 | 38 |
| 164 | Biochemical Engineering | 44 | 4.1K | 764 | 622 |
| 165 | Environmental Management | 102 | 4.1K | 171 | 244 |
| 166 | Solid State Chemistry | 177 | 4.1K | 108 | 120 |
| 167 | Entomology | 265 | 4.0K | 78 | 127 |
| 168 | Molecular Genetics | 74 | 4.0K | 214 | 223 |
| 169 | Ethology | 90 | 3.9K | 184 | 231 |
| 170 | Behavior | 82 | 3.9K | 444 | 462 |
| 171 | Breeding | 150 | 3.8K | 50 | 82 |
| 172 | Growth | 106 | 3.8K | 108 | 227 |
| 173 | Cognition | 97 | 3.7K | 194 | 203 |
| 174 | Sociology | 114 | 3.7K | 293 | 276 |
| 175 | Comparative Physiology | 119 | 3.7K | 14 | 25 |
| 176 | Sarcopenia | 37 | 3.7K | 5 | 3 |
| 177 | cell physiology | 44 | 3.6K | 275 | 197 |
| 178 | Organometallic compounds | 102 | 3.6K | 41 | 41 |
| 179 | Technology | 94 | 3.6K | 507 | 381 |
| 180 | Reproduction | 158 | 3.6K | 136 | 225 |
| 181 | Primates | 101 | 3.5K | 35 | 34 |
| 182 | Aging | 46 | 3.4K | 623 | 338 |
| 183 | Leukemia | 38 | 3.4K | 217 | 170 |
| 184 | Colloids | 135 | 3.4K | 455 | 641 |
| 185 | Molecular structure | 48 | 3.4K | 372 | 228 |
| 186 | computer networks | 45 | 3.4K | 484 | 171 |
| 187 | human behavior | 66 | 3.3K | 345 | 432 |
| 188 | Land use | 82 | 3.2K | 28 | 29 |
| 189 | Social Psychology | 47 | 3.2K | 433 | 328 |
| 190 | Paleoclimatology | 81 | 3.2K | 65 | 83 |
| 191 | Food Policy | 48 | 3.1K | 15 | 9 |
| 191 | agricultural policy | 48 | 3.1K | 9 | 7 |
| 193 | Organometallic chemistry | 138 | 3.1K | 27 | 30 |
| 194 | Nutrition | 71 | 3.0K | 748 | 659 |
| 195 | Molecular Microbiology | 44 | 3.0K | 134 | 159 |
| 196 | personality | 62 | 3.0K | 206 | 231 |
| 197 | Soil fertility | 57 | 3.0K | 6 | 14 |
| 198 | drug therapy | 87 | 3.0K | 278 | 264 |
| 199 | Bioinorganic chemistry | 132 | 3.0K | 29 | 51 |
| 200 | Synaptic Transmission | 61 | 2.9K | 14 | 10 |
| 201 | Marine Biology | 70 | 2.9K | 456 | 380 |
| 202 | wood | 131 | 2.9K | 12 | 10 |
| 203 | Optics | 194 | 2.8K | 535 | 605 |
| 204 | gene mapping | 66 | 2.8K | 232 | 307 |
| 205 | Chemical Engineering | 105 | 2.8K | 775 | 997 |
| 206 | United States | 87 | 2.7K | 738 | 662 |
| 207 | Environmental Geology | 73 | 2.7K | 82 | 91 |
| 208 | Biocompatible Materials | 33 | 2.6K | 1229 | 914 |
| 209 | Scandinavia | 45 | 2.6K | 59 | 30 |
| 210 | Hypertension | 26 | 2.6K | 472 | 366 |
| 211 | Chromosome mapping | 63 | 2.6K | 199 | 236 |
| 212 | Conservation Biology | 42 | 2.6K | 146 | 129 |
| 213 | Cognitive neuroscience | 35 | 2.5K | 219 | 213 |
| 214 | X-ray crystallography | 56 | 2.5K | 43 | 34 |
| 215 | China | 106 | 2.5K | 261 | 216 |
| 216 | Green Chemistry | 39 | 2.5K | 360 | 301 |
| 217 | Fungi | 39 | 2.4K | 172 | 131 |
| 218 | Child Development | 66 | 2.4K | 279 | 285 |
| 219 | Composite Materials | 15 | 2.4K | 1234 | 503 |
| 220 | Psychopharmacology | 36 | 2.4K | 332 | 294 |
| 221 | Environmental monitoring | 70 | 2.4K | 530 | 694 |
| 222 | Water pollution | 40 | 2.4K | 657 | 529 |
| 223 | Paleogeography | 54 | 2.4K | 85 | 93 |
| 224 | Neuropsychiatry | 46 | 2.3K | 87 | 61 |
| 225 | Information Technology | 36 | 2.3K | 475 | 230 |
| 226 | Plant Morphology | 99 | 2.3K | 7 | 8 |
| 227 | Biometrics | 84 | 2.3K | 90 | 119 |
| 228 | Telecommunication | 35 | 2.3K | 720 | 431 |
| 229 | Mycology | 47 | 2.3K | 265 | 204 |
| 230 | Environmental Microbiology | 46 | 2.3K | 164 | 222 |
| 231 | Electronics | 50 | 2.2K | 908 | 539 |
| 231 | natural products | 65 | 2.2K | 144 | 136 |
| 233 | Sustainable Development | 58 | 2.2K | 130 | 198 |
| 234 | Molecular evolution | 37 | 2.2K | 288 | 268 |
| 235 | Engineering | 82 | 2.2K | 615 | 467 |
| 236 | economic policy | 133 | 2.2K | 102 | 152 |
| 237 | Water | 52 | 2.2K | 466 | 576 |
| 238 | Genes | 88 | 2.2K | 45 | 65 |
| 239 | Chromosomes | 32 | 2.2K | 155 | 86 |
| 240 | Population Genetics | 53 | 2.2K | 170 | 244 |
| 241 | psychotherapy | 70 | 2.2K | 163 | 234 |
| 242 | Manufacturing Processes | 8 | 2.2K | 1459 | 262 |
| 243 | soil management | 35 | 2.1K | 57 | 37 |
| 244 | Geomorphology | 52 | 2.1K | 179 | 191 |
| 245 | Sedimentary rocks | 39 | 2.1K | 30 | 19 |
| 246 | Astrocytes | 27 | 2.1K | 53 | 53 |
| 247 | Surgery | 14 | 2.1K | 805 | 528 |
| 248 | Genetic engineering | 56 | 2.1K | 270 | 373 |
| 249 | Cell death | 26 | 2.1K | 314 | 282 |
| 250 | Geodynamics | 56 | 2.0K | 97 | 122 |
| 251 | Membranes | 47 | 2.0K | 322 | 362 |
| 252 | Molecular ecology | 37 | 2.0K | 212 | 270 |
| 253 | Paleobotany | 54 | 2.0K | 2 | 4 |
| 254 | Vegetation dynamics | 53 | 2.0K | 1 | 4 |
| 255 | Natural resources | 39 | 2.0K | 88 | 80 |
| 256 | tillage | 29 | 2.0K | 47 | 34 |
| 257 | Allergy | 9 | 2.0K | 654 | 372 |
| 258 | Animal Nutrition | 257 | 2.0K | 4 | 35 |
| 259 | Analytical Chemistry | 159 | 2.0K | 493 | 1023 |
| 260 | viruses | 34 | 1.9K | 386 | 393 |
| 261 | nanoscience | 50 | 1.9K | 683 | 741 |
| 262 | Liver diseases | 40 | 1.9K | 307 | 439 |
| 263 | miniaturization | 47 | 1.9K | 349 | 477 |
| 264 | Fertilizers | 142 | 1.9K | 11 | 21 |
| 265 | Nanostructured Materials | 68 | 1.8K | 673 | 775 |
| 266 | Epidemiology | 44 | 1.8K | 846 | 698 |
| 267 | Political Science | 53 | 1.8K | 338 | 223 |
| 268 | Learning | 42 | 1.8K | 218 | 239 |
| 269 | Algae | 35 | 1.8K | 124 | 77 |
| 270 | Clinical Pharmacology | 62 | 1.8K | 142 | 149 |
| 271 | Lipids | 47 | 1.8K | 143 | 215 |
| 272 | environmental indicators | 46 | 1.8K | 62 | 78 |
| 273 | pain | 40 | 1.8K | 244 | 261 |
| 274 | Insects | 43 | 1.8K | 216 | 146 |
| 275 | Respiration | 32 | 1.8K | 360 | 249 |
| 276 | Ultrasonics | 27 | 1.8K | 247 | 121 |
| 277 | Social behavior | 47 | 1.8K | 160 | 198 |
| 278 | Combustion | 31 | 1.7K | 303 | 177 |
| 279 | Soft Condensed Matter | 75 | 1.7K | 98 | 158 |
| 280 | cell membrane | 33 | 1.7K | 97 | 97 |
| 281 | Ecosystem management | 36 | 1.7K | 65 | 74 |
| 282 | Nanostructures | 18 | 1.7K | 829 | 413 |
| 283 | Bacteria | 27 | 1.7K | 38 | 49 |
| 284 | Medical Oncology | 40 | 1.7K | 366 | 381 |
| 285 | Diagnostic microbiology | 12 | 1.7K | 599 | 380 |
| 286 | Planets | 49 | 1.7K | 413 | 477 |
| 287 | Climatology | 45 | 1.7K | 351 | 395 |
| 288 | marketing | 22 | 1.6K | 593 | 387 |
| 289 | Perception | 53 | 1.6K | 339 | 345 |
| 290 | Sonochemistry | 19 | 1.6K | 89 | 45 |
| 291 | Cerebral cortex | 23 | 1.6K | 267 | 214 |
| 292 | Bioenergetics | 33 | 1.6K | 121 | 123 |
| 292 | Energy metabolism | 33 | 1.6K | 101 | 109 |
| 294 | Paleontology | 110 | 1.6K | 98 | 170 |
| 295 | Obstetrics | 44 | 1.6K | 488 | 402 |
| 296 | Decision making | 24 | 1.6K | 352 | 202 |
| 297 | Therapeutics | 28 | 1.6K | 432 | 367 |
| 298 | Histochemistry | 49 | 1.6K | 85 | 77 |
| 299 | Photonics | 22 | 1.6K | 752 | 497 |
| 300 | Artificial Intelligence | 66 | 1.5K | 705 | 842 |
| 301 | Animal genetics | 95 | 1.5K | 45 | 78 |
| 302 | Memory | 46 | 1.5K | 353 | 383 |
| 303 | biopolymers | 60 | 1.5K | 150 | 202 |
| 304 | Aquaculture | 54 | 1.5K | 225 | 246 |
| 305 | Microelectronics | 42 | 1.5K | 415 | 491 |
| 306 | Radiation effects | 30 | 1.5K | 37 | 40 |
| 307 | Pediatrics | 22 | 1.5K | 804 | 606 |
| 308 | Child | 32 | 1.5K | 611 | 399 |
| 309 | Radiobiology | 52 | 1.5K | 248 | 304 |
| 310 | Minerals | 21 | 1.5K | 118 | 34 |
| 311 | Orthopedics | 14 | 1.4K | 694 | 285 |
| 312 | Recombinant DNA | 36 | 1.4K | 242 | 228 |
| 313 | commerce | 63 | 1.4K | 94 | 253 |
| 314 | Pharmacognosy | 30 | 1.4K | 427 | 340 |
| 314 | environmental protection | 46 | 1.4K | 650 | 804 |
| 314 | Groundwater | 51 | 1.4K | 66 | 65 |
| 317 | probabilities | 72 | 1.4K | 147 | 98 |
| 318 | Medical Physics | 47 | 1.4K | 374 | 406 |
| 319 | Public Choice | 11 | 1.4K | 120 | 24 |
| 319 | Group decision making | 11 | 1.4K | 159 | 30 |
| 321 | Linguistics | 71 | 1.4K | 185 | 177 |
| 321 | Phylogeny | 27 | 1.4K | 174 | 163 |
| 323 | Inflammation | 18 | 1.4K | 385 | 216 |
| 324 | Light | 16 | 1.4K | 336 | 359 |
| 325 | Alzheimer's disease | 76 | 1.4K | 246 | 234 |
| 325 | Immune system | 17 | 1.4K | 356 | 446 |
| 327 | biological factors | 37 | 1.4K | 345 | 318 |
| 328 | Plant breeding | 65 | 1.3K | 52 | 78 |
| 329 | Cosmochemistry | 39 | 1.3K | 115 | 146 |
| 330 | feeding behavior | 20 | 1.3K | 174 | 117 |
| 330 | Appetite | 20 | 1.3K | 139 | 93 |
| 332 | Agricultural systems | 34 | 1.3K | 27 | 39 |
| 333 | Sustainable agriculture | 34 | 1.3K | 64 | 65 |
| 334 | behavioral medicine | 22 | 1.3K | 355 | 310 |
| 335 | Clinical Psychology | 22 | 1.3K | 471 | 428 |
| 336 | Social Sciences | 86 | 1.3K | 436 | 471 |
| 337 | forest policy | 60 | 1.3K | 22 | 25 |
| 338 | Surface Chemistry | 51 | 1.3K | 997 | 1149 |
| 339 | Agronomy | 24 | 1.3K | 110 | 116 |
| 340 | Hormones | 35 | 1.3K | 264 | 279 |
| 341 | Optical materials | 20 | 1.3K | 1106 | 823 |
| 342 | Dermatology | 14 | 1.3K | 800 | 362 |
| 343 | Parasitology | 48 | 1.3K | 472 | 465 |
| 344 | Diagnostic Imaging | 39 | 1.2K | 416 | 429 |
| 345 | Animal breeding | 102 | 1.2K | 38 | 109 |
| 346 | Computer Graphics | 19 | 1.2K | 635 | 321 |
| 347 | water supply | 32 | 1.2K | 210 | 246 |
| 348 | human development | 33 | 1.2K | 134 | 147 |
| 349 | Biomass Energy | 43 | 1.2K | 504 | 764 |
| 350 | Developmental Psychology | 42 | 1.2K | 181 | 266 |
| 351 | Morphology | 74 | 1.2K | 25 | 88 |
| 352 | Sustainable Engineering | 22 | 1.2K | 492 | 376 |
| 353 | Stem cells | 37 | 1.2K | 336 | 420 |
| 354 | Mass Spectrometry | 33 | 1.2K | 245 | 218 |
| 355 | Operations Research | 58 | 1.2K | 360 | 501 |
| 356 | Molecular cloning | 30 | 1.2K | 255 | 229 |
| 357 | Microscopy | 59 | 1.2K | 169 | 193 |
| 358 | Genetic recombination | 29 | 1.2K | 255 | 227 |
| 359 | Photography | 87 | 1.2K | 357 | 83 |
| 360 | Radiation | 49 | 1.2K | 338 | 321 |
| 361 | Landscape Ecology | 37 | 1.2K | 25 | 75 |
| 362 | Signal Processing | 26 | 1.2K | 888 | 716 |
| 363 | Immunotherapy | 9 | 1.2K | 1079 | 584 |
| 364 | Transplantation | 21 | 1.2K | 380 | 367 |
| 365 | food technology | 11 | 1.2K | 1314 | 600 |
| 365 | Electrochemistry | 47 | 1.2K | 1068 | 1029 |
| 367 | Neurosurgery | 35 | 1.1K | 162 | 225 |
| 368 | Genetic regulation | 20 | 1.1K | 344 | 371 |
| 369 | Human biology | 16 | 1.1K | 184 | 47 |
| 370 | Feminist Economics | 9 | 1.1K | 6 | 2 |
| 370 | Feminism | 10 | 1.1K | 258 | 22 |
| 372 | Seaweed | 19 | 1.1K | 147 | 101 |
| 373 | brain mapping | 7 | 1.1K | 412 | 176 |
| 374 | Oncogenes | 19 | 1.1K | 426 | 509 |
| 375 | Cell metabolism | 6 | 1.1K | 407 | 363 |
| 376 | Psycholinguistics | 34 | 1.1K | 188 | 231 |
| 377 | Asia | 48 | 1.1K | 375 | 279 |
| 378 | Homeostasis | 5 | 1.1K | 304 | 357 |
| 379 | Schizophrenia | 30 | 1.1K | 262 | 295 |
| 379 | Visual Perception | 47 | 1.1K | 304 | 393 |
| 381 | RNA | 17 | 1.1K | 138 | 107 |
| 382 | Bioremediation | 28 | 1.1K | 38 | 55 |
| 383 | soil conservation | 33 | 1.1K | 53 | 46 |
| 384 | Microorganisms | 14 | 1.1K | 363 | 306 |
| 385 | histological techniques | 15 | 1.1K | 206 | 132 |
| 386 | global environmental change | 29 | 1.1K | 115 | 213 |
| 387 | Africa | 45 | 1.0K | 210 | 121 |
| 388 | Systems Biology | 30 | 1.0K | 304 | 269 |
| 389 | Attention | 38 | 1.0K | 380 | 417 |
| 390 | Analytical Biochemistry | 26 | 1.0K | 397 | 351 |
| 391 | Approximation Theory | 30 | 982 | 55 | 19 |
| 392 | Molecular Spectroscopy | 50 | 978 | 208 | 258 |
| 393 | Business | 50 | 975 | 337 | 682 |
| 393 | Molecules | 44 | 975 | 268 | 317 |
| 395 | Host-parasite interactions | 20 | 973 | 393 | 561 |
| 396 | General Surgery | 88 | 964 | 52 | 92 |
| 397 | Food Microbiology | 6 | 961 | 848 | 364 |
| 398 | Health Policy | 67 | 959 | 305 | 521 |
| 399 | Signal Transduction | 31 | 952 | 287 | 476 |
| 400 | Proteomics | 16 | 947 | 351 | 261 |
| 401 | Plant genetic engineering | 25 | 938 | 207 | 275 |
| 402 | Immunopathology | 17 | 937 | 491 | 359 |
| 402 | cell interaction | 18 | 937 | 372 | 277 |
| 404 | Cybernetics | 34 | 932 | 345 | 454 |
| 405 | Work | 4 | 922 | 278 | 34 |
| 406 | Job satisfaction | 1 | 911 | 221 | 23 |
| 406 | job stress | 1 | 911 | 221 | 23 |
| 408 | Physical organic chemistry | 23 | 908 | 399 | 237 |
| 409 | Archaeology | 34 | 906 | 318 | 253 |
| 410 | sustainability | 12 | 905 | 298 | 242 |
| 411 | antibiotics | 20 | 902 | 23 | 14 |
| 412 | Human Geography | 53 | 898 | 146 | 207 |
| 413 | Organic Geochemistry | 23 | 897 | 66 | 97 |
| 414 | Diet | 15 | 895 | 878 | 795 |
| 415 | Synchrotron Radiation | 41 | 890 | 48 | 44 |
| 416 | Parasitic Diseases | 24 | 886 | 628 | 557 |
| 417 | Marine Pollution | 9 | 875 | 631 | 342 |
| 418 | natural disasters | 20 | 872 | 319 | 253 |
| 419 | Middle East | 34 | 870 | 110 | 61 |
| 420 | Clinical Biochemistry | 24 | 868 | 288 | 268 |
| 420 | Gene expression regulation | 9 | 868 | 503 | 321 |
| 422 | rehabilitation | 14 | 862 | 951 | 589 |
| 423 | Medical Anthropology | 10 | 861 | 583 | 402 |
| 423 | Dementia | 65 | 861 | 265 | 281 |
| 425 | Proteome | 15 | 859 | 455 | 390 |
| 426 | embryonic development | 18 | 850 | 81 | 61 |
| 427 | Eating Disorders | 15 | 847 | 328 | 208 |
| 427 | Feeding and Eating Disorders | 15 | 847 | 307 | 193 |
| 429 | animals | 55 | 845 | 112 | 170 |
| 430 | Probability | 15 | 844 | 188 | 99 |
| 431 | Education | 63 | 842 | 679 | 782 |
| 432 | enzymes | 31 | 840 | 319 | 425 |
| 433 | Aerosols | 16 | 838 | 178 | 120 |
| 434 | Thrombosis | 16 | 837 | 389 | 309 |
| 435 | Biogeochemical cycles | 8 | 828 | 241 | 230 |
| 436 | Population | 34 | 827 | 159 | 190 |
| 437 | drugs | 62 | 826 | 269 | 526 |
| 438 | Energy Policy | 27 | 809 | 736 | 1063 |
| 439 | Health | 44 | 806 | 393 | 545 |
| 440 | gene therapy | 7 | 804 | 729 | 370 |
| 441 | Hydrogeology | 54 | 800 | 47 | 96 |
| 442 | Crystallization | 30 | 792 | 53 | 53 |
| 442 | carcinogens | 19 | 792 | 258 | 277 |
| 444 | Demography | 13 | 786 | 244 | 148 |
| 445 | Chronic diseases | 9 | 780 | 314 | 246 |
| 446 | Plant Genetics | 18 | 777 | 198 | 289 |
| 446 | Food Security | 15 | 777 | 20 | 18 |
| 446 | mutagens | 15 | 777 | 282 | 286 |
| 449 | Environmental Chemistry | 23 | 767 | 602 | 855 |
| 450 | Quality of life | 18 | 762 | 435 | 413 |
| 451 | income distribution | 13 | 761 | 16 | 32 |
| 452 | land degradation | 25 | 757 | 30 | 32 |
| 452 | degradation | 25 | 757 | 30 | 32 |
| 454 | Robotics | 23 | 748 | 536 | 457 |
| 455 | Algorithms | 21 | 745 | 114 | 68 |
| 456 | pain management | 19 | 744 | 143 | 100 |
| 457 | Cognitive Science | 30 | 738 | 311 | 485 |
| 458 | Engineering Geology | 19 | 736 | 499 | 453 |
| 459 | International Finance | 29 | 730 | 343 | 401 |
| 460 | Nutrition physiology | 189 | 729 | 3 | 186 |
| 460 | aerosol | 14 | 729 | 121 | 71 |
| 462 | Japan | 12 | 728 | 904 | 285 |
| 463 | Virulence | 15 | 726 | 460 | 603 |
| 464 | Water chemistry | 14 | 720 | 30 | 10 |
| 465 | Genetic disorders | 39 | 716 | 72 | 121 |
| 466 | Audiology | 17 | 715 | 278 | 192 |
| 466 | Agricultural Economics | 11 | 715 | 17 | 4 |
| 466 | Fluid Dynamics | 25 | 715 | 315 | 273 |
| 466 | Australia | 26 | 715 | 441 | 347 |
| 470 | Pharmaceutical Technology | 14 | 712 | 648 | 460 |
| 470 | catalytic activity | 14 | 712 | 206 | 176 |
| 472 | Carcinogenesis | 15 | 711 | 340 | 339 |
| 473 | Information Theory | 23 | 708 | 442 | 409 |
| 474 | scientific societies | 31 | 707 | 114 | 161 |
| 475 | Agricultural Chemistry | 22 | 705 | 767 | 785 |
| 475 | Chemical industry | 58 | 705 | 138 | 195 |
| 477 | Social Change | 13 | 701 | 323 | 327 |
| 478 | Genetic therapy | 8 | 695 | 712 | 401 |
| 479 | Nuclear Medicine | 16 | 689 | 387 | 318 |
| 480 | energy resources | 14 | 688 | 514 | 651 |
| 481 | Palliative Care | 11 | 685 | 377 | 155 |
| 481 | Molecular Imaging | 13 | 685 | 276 | 244 |
| 483 | Medical Ethics | 88 | 683 | 79 | 165 |
| 484 | Cardiovascular diseases | 21 | 680 | 531 | 491 |
| 485 | Ore deposits | 22 | 677 | 127 | 138 |
| 486 | Anthropology | 51 | 675 | 270 | 332 |
| 487 | Software Engineering | 23 | 673 | 306 | 286 |
| 488 | atmospheric models | 17 | 669 | 238 | 283 |
| 489 | Communication | 31 | 668 | 528 | 673 |
| 490 | Developmental Genetics | 6 | 661 | 368 | 331 |
| 491 | vascular diseases | 9 | 660 | 353 | 269 |
| 492 | Research Design | 16 | 655 | 379 | 362 |
| 493 | mammals | 46 | 651 | 108 | 230 |
| 494 | Chronobiology | 28 | 648 | 43 | 59 |
| 494 | biological clocks | 28 | 648 | 43 | 59 |
| 494 | circadian rhythm | 28 | 648 | 43 | 59 |
| 497 | Pharmacy | 45 | 645 | 375 | 691 |
| 498 | Steroids | 16 | 642 | 338 | 260 |
| 499 | Mycotoxins | 6 | 636 | 77 | 16 |
| 499 | environmental issues | 21 | 636 | 55 | 67 |
| 501 | viral genetics | 4 | 635 | 270 | 266 |
| 502 | Tourism | 10 | 619 | 814 | 594 |
| 503 | Heart Failure | 7 | 598 | 230 | 167 |
| 504 | Educational Psychology | 34 | 594 | 331 | 481 |
| 504 | Solar System | 32 | 594 | 209 | 320 |
| 506 | Particle Physics | 13 | 593 | 314 | 139 |
| 507 | Human Resources | 11 | 592 | 141 | 126 |
| 507 | Sites | 13 | 592 | 195 | 191 |
| 509 | Bacterial infections | 13 | 591 | 285 | 427 |
| 510 | Fluid Mechanics | 17 | 585 | 715 | 538 |
| 511 | Jurisprudence | 135 | 583 | 14 | 202 |
| 512 | Plant Biotechnology | 10 | 580 | 362 | 247 |
| 513 | Environmental Economics | 12 | 572 | 86 | 77 |
| 514 | Teaching | 11 | 571 | 813 | 421 |
| 515 | Infections | 14 | 570 | 433 | 537 |
| 515 | Electrophoresis | 19 | 570 | 555 | 542 |
| 515 | infection | 14 | 570 | 709 | 702 |
| 518 | Water quality | 12 | 569 | 26 | 8 |
| 519 | Molecular Pharmacology | 13 | 568 | 280 | 298 |
| 519 | risk factors | 13 | 568 | 275 | 234 |
| 521 | Speech | 15 | 565 | 335 | 311 |
| 522 | transport vesicles | 5 | 562 | 122 | 267 |
| 523 | Econometrics | 45 | 561 | 239 | 443 |
| 524 | Plant Pathology | 14 | 559 | 39 | 18 |
| 525 | Spine | 7 | 556 | 415 | 288 |
| 526 | Electrophysiology | 21 | 555 | 295 | 249 |
| 527 | Neuroplasticity | 8 | 552 | 156 | 42 |
| 528 | Computer Science | 23 | 550 | 591 | 418 |
| 529 | Microbial Genetics | 8 | 547 | 154 | 116 |
| 529 | phytopathogenic bacteria | 8 | 547 | 119 | 110 |
| 531 | Obesity | 11 | 544 | 1007 | 904 |
| 532 | Herbal medicine | 10 | 542 | 232 | 172 |
| 532 | Aquatic ecology | 13 | 542 | 363 | 242 |
| 534 | Neurotoxicology | 3 | 541 | 560 | 143 |
| 534 | Apoptosis | 3 | 541 | 235 | 40 |
| 534 | neurotoxins | 3 | 541 | 235 | 40 |
| 534 | Neurotoxic agents | 3 | 541 | 235 | 40 |
| 534 | mycoses | 11 | 541 | 334 | 443 |
| 534 | Microbiota | 1 | 541 | 166 | 2 |
| 534 | Nerve regeneration | 3 | 541 | 235 | 40 |
| 541 | Ecohydrology | 13 | 540 | 60 | 38 |
| 542 | finance | 30 | 539 | 627 | 759 |
| 543 | Development Economics | 21 | 537 | 49 | 100 |
| 544 | Biodegradation | 14 | 531 | 137 | 161 |
| 545 | arthritis | 24 | 529 | 375 | 650 |
| 546 | Genetic Toxicology | 11 | 528 | 133 | 151 |
| 546 | Semiconductors | 23 | 528 | 619 | 514 |
| 548 | Planetary Science | 33 | 527 | 90 | 128 |
| 548 | Rural Development | 26 | 527 | 62 | 121 |
| 548 | Mites | 17 | 527 | 106 | 59 |
| 551 | Volcanoes | 11 | 525 | 107 | 85 |
| 552 | race relations | 10 | 521 | 262 | 124 |
| 553 | Hippocampus | 9 | 520 | 124 | 135 |
| 554 | biological invasions | 13 | 519 | 186 | 171 |
| 555 | Nanoparticles | 19 | 517 | 679 | 779 |
| 555 | Climate | 15 | 517 | 128 | 171 |
| 557 | Protozoa | 24 | 516 | 54 | 136 |
| 558 | Energy Conversion | 6 | 515 | 920 | 788 |
| 559 | Geometry | 46 | 512 | 171 | 170 |
| 559 | Hearing | 11 | 512 | 303 | 195 |
| 561 | Neurogenetics | 13 | 510 | 58 | 41 |
| 561 | Ticks | 14 | 510 | 81 | 49 |
| 563 | mathematical analysis | 52 | 508 | 574 | 690 |
| 564 | internet | 11 | 506 | 736 | 552 |
| 565 | Elementary particles | 11 | 505 | 38 | 88 |
| 566 | Sun | 26 | 504 | 113 | 162 |
| 567 | behavior therapy | 10 | 503 | 414 | 331 |
| 568 | Health promotion | 12 | 501 | 603 | 494 |
| 569 | Acarology | 11 | 499 | 82 | 48 |
| 569 | Acari | 11 | 499 | 80 | 48 |
| 571 | Culture | 6 | 494 | 762 | 194 |
| 572 | Image Processing | 18 | 490 | 896 | 976 |
| 572 | Parasites | 17 | 490 | 576 | 537 |
| 574 | drug development | 6 | 483 | 684 | 692 |
| 575 | Internet of Things | 9 | 481 | 601 | 444 |
| 575 | Medical innovations | 5 | 481 | 748 | 762 |
| 577 | Ornithology | 15 | 480 | 402 | 267 |
| 578 | Quantum Optics | 25 | 477 | 193 | 228 |
| 579 | Philosophy | 47 | 476 | 368 | 288 |
| 580 | Enzyme | 7 | 470 | 247 | 164 |
| 581 | Functional Analysis | 27 | 469 | 331 | 344 |
| 582 | blood transfusion | 13 | 466 | 295 | 210 |
| 583 | Radiography | 13 | 465 | 324 | 454 |
| 584 | Forest genetics | 33 | 464 | 19 | 44 |
| 585 | Popular culture | 2 | 456 | 660 | 33 |
| 586 | Psychometrics | 7 | 455 | 269 | 183 |
| 586 | Combinatorial chemistry | 12 | 455 | 351 | 410 |
| 586 | biological rhythms | 8 | 455 | 174 | 89 |
| 589 | Oncology | 13 | 454 | 1070 | 1622 |
| 589 | preventive medicine | 50 | 454 | 170 | 534 |
| 589 | Neuromuscular diseases | 12 | 454 | 251 | 232 |
| 589 | Biomass | 16 | 454 | 119 | 254 |
| 593 | Sports Medicine | 15 | 453 | 1089 | 918 |
| 593 | emergency management | 11 | 453 | 289 | 189 |
| 593 | Human evolution | 13 | 453 | 155 | 189 |
| 596 | neuronal plasticity | 5 | 452 | 178 | 50 |
| 597 | Ophthalmology | 13 | 451 | 880 | 789 |
| 598 | Wireless Communication Systems | 21 | 448 | 917 | 911 |
| 599 | psychiatric disorders | 6 | 447 | 10 | 3 |
| 600 | children | 13 | 443 | 183 | 185 |
| 601 | Educational Technology | 11 | 440 | 710 | 482 |
| 602 | Hydraulic Engineering | 8 | 439 | 685 | 402 |
| 602 | Hydrodynamics | 8 | 439 | 340 | 238 |
| 602 | cloning | 13 | 439 | 224 | 433 |
| 605 | Respiratory system | 8 | 438 | 290 | 200 |
| 606 | Latin America | 29 | 437 | 358 | 176 |
| 607 | Circadian rhythms | 4 | 436 | 265 | 87 |
| 608 | Speech Disorders | 8 | 433 | 589 | 392 |
| 609 | Geriatrics | 14 | 432 | 1362 | 1192 |
| 609 | Autoimmunity | 4 | 432 | 617 | 373 |
| 611 | Antarctica | 25 | 431 | 87 | 92 |
| 612 | forestry | 15 | 429 | 66 | 67 |
| 613 | Distance Education | 6 | 428 | 253 | 81 |
| 614 | Radiology | 28 | 427 | 376 | 451 |
| 615 | language | 9 | 426 | 429 | 347 |
| 615 | Digestive system diseases | 16 | 426 | 340 | 355 |
| 617 | clay | 6 | 422 | 503 | 321 |
| 618 | Cell communication | 9 | 421 | 378 | 334 |
| 619 | Biological Systems | 11 | 417 | 236 | 167 |
| 620 | Photochemistry | 21 | 415 | 517 | 700 |
| 620 | medical education | 15 | 415 | 685 | 586 |
| 622 | Ecological Genetics | 19 | 413 | 116 | 119 |
| 622 | Bones | 8 | 413 | 427 | 435 |
| 624 | poverty | 11 | 412 | 90 | 72 |
| 625 | Birds | 14 | 411 | 527 | 358 |
| 626 | Electroconvulsive therapy | 1 | 409 | 196 | 11 |
| 627 | Lipid metabolism | 5 | 405 | 283 | 177 |
| 627 | Neuropharmacology | 5 | 405 | 430 | 203 |
| 627 | Lipid | 5 | 405 | 282 | 179 |
| 630 | Developmental Disabilities | 6 | 404 | 648 | 489 |
| 631 | Agricultural Science | 9 | 401 | 90 | 145 |
| 631 | consumers | 3 | 401 | 339 | 105 |
| 631 | weather | 12 | 401 | 162 | 165 |
| 634 | Developmental Neurobiology | 9 | 397 | 206 | 143 |
| 634 | calcification | 11 | 397 | 211 | 234 |
| 636 | Neurolinguistics | 7 | 396 | 230 | 199 |
| 637 | Economic Thought | 7 | 395 | 149 | 173 |
| 637 | economic conditions | 7 | 395 | 349 | 201 |
| 639 | Adolescent | 11 | 394 | 992 | 810 |
| 640 | hygiene | 6 | 393 | 318 | 127 |
| 641 | Liposomes | 5 | 392 | 373 | 213 |
| 641 | Lipid bilayers | 5 | 392 | 323 | 198 |
| 643 | DNS | 14 | 391 | 115 | 134 |
| 644 | Structural dynamics | 10 | 390 | 554 | 518 |
| 645 | econometric models | 10 | 388 | 180 | 148 |
| 646 | Germany | 101 | 387 | 20 | 48 |
| 646 | Archaea | 11 | 387 | 1 | 7 |
| 648 | Petroleum Geology | 16 | 386 | 167 | 222 |
| 648 | Radio | 6 | 386 | 1154 | 792 |
| 650 | Neuroimmunology | 4 | 384 | 544 | 400 |
| 651 | Carbon | 12 | 382 | 595 | 847 |
| 652 | Chemical kinetics | 16 | 376 | 177 | 86 |
| 653 | Serology | 11 | 375 | 142 | 120 |
| 653 | Antigens | 14 | 375 | 345 | 378 |
| 655 | Consumer Protection | 2 | 373 | 225 | 38 |
| 655 | Customer Relations | 2 | 373 | 99 | 7 |
| 657 | herbicides | 15 | 364 | 85 | 78 |
| 658 | Multivariate Analysis | 18 | 363 | 106 | 153 |
| 659 | Dynamics | 23 | 362 | 500 | 500 |
| 660 | Extracellular matrix | 7 | 361 | 115 | 155 |
| 660 | collagen | 7 | 361 | 123 | 161 |
| 662 | Criminology | 40 | 360 | 167 | 326 |
| 662 | Ethics | 18 | 360 | 264 | 250 |
| 664 | Veterinary Pathology | 66 | 359 | 8 | 52 |
| 664 | Business Ethics | 5 | 359 | 702 | 678 |
| 666 | nuclear magnetic resonance | 13 | 358 | 510 | 457 |
| 667 | Bryology | 18 | 356 | 44 | 48 |
| 667 | Kinetics | 14 | 356 | 112 | 102 |
| 667 | Artificial Organs | 31 | 356 | 106 | 197 |
| 670 | Mobile Computing | 18 | 355 | 377 | 443 |
| 671 | Public Policy | 15 | 352 | 652 | 766 |
| 672 | Marine Geology | 14 | 350 | 201 | 237 |
| 672 | Neural circuitry | 13 | 350 | 878 | 985 |
| 674 | sexual behavior | 12 | 348 | 236 | 286 |
| 675 | international trade | 13 | 346 | 188 | 219 |
| 676 | Cellulose | 5 | 342 | 407 | 241 |
| 677 | Input-output analysis | 14 | 341 | 38 | 81 |
| 677 | cosmetics | 6 | 341 | 88 | 31 |
| 679 | Microbial Biotechnology | 8 | 340 | 447 | 363 |
| 679 | soil pollution | 10 | 340 | 157 | 123 |
| 681 | bioclimatology | 14 | 338 | 253 | 318 |
| 682 | Chemical Ecology | 13 | 337 | 180 | 268 |
| 683 | Energy Storage | 5 | 336 | 1018 | 657 |
| 683 | Food preferences | 11 | 336 | 117 | 168 |
| 685 | Urology | 10 | 332 | 970 | 939 |
| 686 | income | 13 | 331 | 22 | 48 |
| 686 | Wealth | 13 | 331 | 22 | 48 |
| 688 | Transportation | 9 | 328 | 928 | 785 |
| 688 | Anxiety Disorders | 9 | 328 | 254 | 387 |
| 688 | Anxiety | 9 | 328 | 253 | 383 |
| 691 | Orthopedic Surgery | 3 | 325 | 856 | 356 |
| 692 | Computational Fluid Dynamics | 6 | 324 | 433 | 218 |
| 692 | telemarketing | 9 | 324 | 13 | 37 |
| 694 | Semantics | 11 | 322 | 61 | 48 |
| 694 | Bioethics | 24 | 322 | 215 | 256 |
| 694 | energy conservation | 8 | 322 | 1216 | 1384 |
| 697 | Oceanography | 19 | 315 | 742 | 998 |
| 698 | Sound | 10 | 314 | 505 | 400 |
| 698 | mosses | 15 | 314 | 27 | 23 |
| 698 | liverworts | 15 | 314 | 27 | 23 |
| 701 | Parallel Processing | 8 | 312 | 263 | 271 |
| 702 | Antibodies | 12 | 309 | 255 | 319 |
| 703 | Remote Sensing | 27 | 307 | 315 | 472 |
| 704 | Acoustics | 9 | 306 | 184 | 121 |
| 704 | Animal health | 13 | 306 | 144 | 85 |
| 704 | Rock deformation | 6 | 306 | 110 | 70 |
| 707 | Stochastic Processes | 18 | 305 | 236 | 255 |
| 707 | Speech acoustics | 7 | 305 | 97 | 109 |
| 709 | Environmental Toxicology | 10 | 304 | 1332 | 1563 |
| 709 | Community Psychiatry | 3 | 304 | 973 | 499 |
| 709 | epilepsy | 4 | 304 | 768 | 404 |
| 712 | Telecommunication Systems | 13 | 303 | 695 | 596 |
| 712 | Wildlife management | 23 | 303 | 141 | 204 |
| 714 | Topology | 18 | 300 | 73 | 61 |
| 714 | chromatin | 1 | 300 | 295 | 73 |
| 716 | Photobiology | 16 | 297 | 440 | 648 |
| 716 | health planning | 8 | 297 | 1304 | 869 |
| 718 | immigration | 6 | 296 | 92 | 75 |
| 718 | migration policy | 6 | 296 | 101 | 78 |
| 718 | Asylum seeker | 6 | 296 | 76 | 75 |
| 721 | actuators | 4 | 294 | 1919 | 1359 |
| 721 | transducers | 4 | 294 | 1919 | 1359 |
| 723 | Performance | 2 | 293 | 340 | 147 |
| 723 | coal | 7 | 293 | 1083 | 1080 |
| 723 | fertility | 7 | 293 | 627 | 683 |
| 726 | Otolaryngology | 6 | 292 | 334 | 214 |
| 727 | Political Psychology | 2 | 291 | 421 | 185 |
| 728 | Forensic Psychology | 24 | 289 | 47 | 110 |
| 728 | Forensic Psychiatry | 24 | 289 | 100 | 177 |
| 730 | accidents | 35 | 288 | 13 | 22 |
| 731 | Bifurcation Theory | 16 | 287 | 161 | 182 |
| 731 | clay minerals | 3 | 287 | 290 | 149 |
| 733 | Medical Imaging | 6 | 286 | 212 | 144 |
| 733 | Magnetic Resonance Imaging | 6 | 286 | 327 | 212 |
| 733 | Pharmacogenetics | 10 | 286 | 464 | 589 |
| 733 | Organic farming | 11 | 286 | 8 | 6 |
| 737 | Experimental Psychology | 8 | 284 | 320 | 297 |
| 737 | Ethnic relations | 8 | 284 | 292 | 145 |
| 737 | livestock | 26 | 284 | 119 | 163 |
| 740 | Cognitive Psychology | 3 | 281 | 415 | 117 |
| 740 | Ethnic Conflict | 7 | 281 | 133 | 94 |
| 740 | Biomechanics | 8 | 281 | 840 | 729 |
| 740 | forced migration | 7 | 281 | 133 | 94 |
| 740 | DNA | 15 | 281 | 129 | 198 |
| 745 | Primary health care | 19 | 277 | 520 | 762 |
| 746 | consumer behavior | 3 | 275 | 510 | 284 |
| 747 | Long-Term Care | 2 | 269 | 651 | 330 |
| 747 | Long-term care facilities | 2 | 269 | 648 | 330 |
| 749 | Lung Transplantation | 11 | 268 | 176 | 259 |
| 749 | biofuels | 5 | 268 | 197 | 242 |
| 749 | Electron Microscopy | 9 | 268 | 176 | 139 |
| 749 | Heart transplantation | 11 | 268 | 176 | 259 |
| 753 | Psychoanalysis | 7 | 267 | 196 | 79 |
| 753 | proteins | 11 | 267 | 1149 | 1221 |
| 755 | Plant Taxonomy | 22 | 266 | 96 | 173 |
| 756 | Ethnology | 38 | 265 | 250 | 515 |
| 757 | extraterrestrial environment | 2 | 262 | 763 | 197 |
| 757 | astronomical phenomena | 2 | 262 | 696 | 180 |
| 759 | Health Education | 8 | 261 | 1047 | 851 |
| 759 | Energy Harvesting | 3 | 261 | 488 | 451 |
| 759 | cytokines | 6 | 261 | 961 | 872 |
| 759 | alcoholism | 8 | 261 | 836 | 821 |
| 763 | Magnetic Resonance Spectroscopy | 17 | 258 | 473 | 568 |
| 764 | Marine Biotechnology | 4 | 257 | 159 | 96 |
| 764 | heredity | 16 | 257 | 188 | 301 |
| 766 | Quality Control | 3 | 256 | 1947 | 925 |
| 766 | ethanol | 7 | 256 | 261 | 210 |
| 768 | Immunopharmacology | 4 | 254 | 953 | 547 |
| 768 | Adhesion | 8 | 254 | 286 | 190 |
| 768 | adhesives | 8 | 254 | 308 | 192 |
| 768 | DNA polymerases | 3 | 254 | 442 | 573 |
| 772 | Vision | 6 | 253 | 456 | 400 |
| 773 | Genetic variation | 10 | 250 | 26 | 31 |
| 774 | Pesticides | 6 | 249 | 407 | 237 |
| 774 | pheromones | 8 | 249 | 241 | 318 |
| 776 | Learning disabilities | 3 | 247 | 752 | 367 |
| 777 | Sedimentology | 14 | 246 | 179 | 342 |
| 778 | Quantum Chemistry | 13 | 245 | 332 | 298 |
| 778 | Intelligence | 10 | 245 | 96 | 161 |
| 778 | rare diseases | 4 | 245 | 553 | 374 |
| 781 | Superconductors | 15 | 244 | 426 | 393 |
| 782 | synthesis | 8 | 242 | 590 | 289 |
| 782 | Mental Health Counseling | 35 | 242 | 10 | 15 |
| 784 | International Relations | 41 | 241 | 207 | 397 |
| 784 | reforestation | 10 | 241 | 45 | 49 |
| 784 | afforestation | 10 | 241 | 45 | 49 |
| 784 | Longevity | 1 | 241 | 394 | 68 |
| 784 | rejuvenation | 1 | 241 | 290 | 58 |
| 789 | ethnic groups | 3 | 240 | 319 | 132 |
| 790 | exobiology | 12 | 239 | 96 | 226 |
| 791 | Evolutionary Psychology | 17 | 233 | 12 | 43 |
| 791 | Chemical structure | 10 | 233 | 155 | 100 |
| 793 | Transgenic plants | 9 | 232 | 195 | 313 |
| 794 | Immunochemistry | 6 | 231 | 684 | 524 |
| 795 | Health Services Research | 10 | 227 | 815 | 903 |
| 796 | Animal husbandry | 19 | 226 | 67 | 120 |
| 796 | Cognitive Therapy | 5 | 226 | 457 | 342 |
| 798 | Psychoneuroimmunology | 3 | 225 | 580 | 540 |
| 798 | Strategic planning | 8 | 225 | 380 | 398 |
| 798 | Invertebrates | 14 | 225 | 181 | 285 |
| 798 | disease vectors | 8 | 225 | 569 | 605 |
| 802 | Heterocyclic chemistry | 8 | 224 | 215 | 83 |
| 802 | counseling | 6 | 224 | 879 | 657 |
| 802 | Heat | 2 | 224 | 79 | 6 |
| 805 | Labor Economics | 8 | 222 | 226 | 245 |
| 806 | Developmental Immunology | 4 | 221 | 721 | 500 |
| 806 | Computational Complexity | 6 | 221 | 725 | 323 |
| 806 | agricultural productivity | 14 | 221 | 15 | 26 |
| 809 | Plastics | 9 | 220 | 981 | 883 |
| 810 | Regional Planning | 26 | 218 | 440 | 843 |
| 811 | Animal Physiology | 17 | 217 | 47 | 109 |
| 811 | Natural selection | 17 | 217 | 47 | 109 |
| 811 | genetic selection | 17 | 217 | 47 | 109 |
| 814 | System analysis | 21 | 216 | 871 | 1395 |
| 815 | Sports | 16 | 215 | 833 | 1010 |
| 816 | Social policy | 13 | 214 | 401 | 434 |
| 817 | Mental Health | 8 | 212 | 955 | 863 |
| 817 | Geothermal Energy | 14 | 212 | 50 | 116 |
| 817 | Patient education | 5 | 212 | 416 | 389 |
| 817 | cycles | 24 | 212 | 10 | 14 |
| 821 | Atmospheric Science | 2 | 211 | 235 | 92 |
| 821 | atmosphere | 2 | 211 | 974 | 481 |
| 823 | Immunogenetics | 6 | 209 | 462 | 415 |
| 824 | Hemodynamics | 3 | 208 | 594 | 552 |
| 825 | Extreme Value Theory | 8 | 207 | 21 | 17 |
| 825 | Personality Assessment | 5 | 207 | 408 | 416 |
| 827 | visualization | 27 | 205 | 405 | 547 |
| 828 | Restoration Ecology | 10 | 204 | 160 | 250 |
| 829 | Sexual health | 4 | 203 | 637 | 389 |
| 829 | food handling | 2 | 203 | 1097 | 618 |
| 831 | Renewable Energy Sources | 8 | 202 | 1703 | 2488 |
| 832 | Psychiatric Epidemiology | 1 | 201 | 872 | 384 |
| 833 | Transportation Engineering | 5 | 200 | 357 | 254 |
| 834 | Differential Equations | 9 | 199 | 542 | 453 |
| 834 | Antioxidants | 7 | 199 | 465 | 744 |
| 834 | Banking | 1 | 199 | 34 | 5 |
| 834 | Development Assistance | 1 | 199 | 17 | 5 |
| 838 | Adolescent Medicine | 1 | 198 | 1011 | 621 |
| 838 | amino acids | 9 | 198 | 219 | 372 |
| 838 | Heterocyclic compounds | 9 | 198 | 528 | 333 |
| 841 | Menopause | 4 | 197 | 229 | 136 |
| 842 | Fracture mechanics | 2 | 196 | 1638 | 859 |
| 843 | Algebra | 20 | 195 | 593 | 516 |
| 843 | peace | 4 | 195 | 390 | 289 |
| 843 | space environment | 5 | 195 | 160 | 111 |
| 843 | international cooperation | 6 | 195 | 370 | 356 |
| 847 | Historical Sociology | 1 | 194 | 172 | 5 |
| 847 | energy development | 5 | 194 | 590 | 657 |
| 849 | Infertility | 4 | 193 | 786 | 819 |
| 849 | periodicity | 20 | 193 | 1 | 1 |
| 849 | Oxidation-reduction | 6 | 193 | 547 | 864 |
| 852 | vibration | 2 | 192 | 1511 | 735 |
| 852 | Spain | 6 | 192 | 511 | 99 |
| 854 | Cardiac electrophysiology | 3 | 191 | 222 | 172 |
| 854 | Body Image | 1 | 191 | 371 | 166 |
| 854 | arrhythmia | 3 | 191 | 222 | 172 |
| 857 | Radiation Oncology | 6 | 190 | 231 | 207 |
| 857 | data protection | 7 | 190 | 261 | 187 |
| 859 | Coral reef biology | 4 | 187 | 255 | 238 |
| 860 | War and Society | 3 | 186 | 191 | 162 |
| 860 | warfare | 3 | 186 | 267 | 205 |
| 860 | lasers | 9 | 186 | 1314 | 1216 |
| 863 | ethnicity | 9 | 185 | 334 | 259 |
| 864 | Insect biochemistry | 3 | 183 | 454 | 345 |
| 865 | Engineering Mathematics | 11 | 182 | 1404 | 1200 |
| 865 | Radiochemistry | 8 | 182 | 612 | 422 |
| 865 | Information Science | 19 | 182 | 884 | 1742 |
| 868 | cell adhesion molecules | 4 | 181 | 457 | 405 |
| 869 | History of Medicine | 17 | 180 | 138 | 83 |
| 870 | economic development projects | 9 | 178 | 44 | 68 |
| 870 | Gastrointestinal diseases | 4 | 178 | 642 | 364 |
| 872 | Hemostasis | 7 | 177 | 441 | 435 |
| 872 | civilization | 33 | 177 | 268 | 145 |
| 872 | Environmental pollutants | 15 | 177 | 946 | 1820 |
| 872 | Sociobiology | 4 | 177 | 212 | 131 |
| 876 | Macroeconomics | 10 | 176 | 109 | 161 |
| 876 | Chemotherapy | 7 | 176 | 866 | 1010 |
| 878 | Laser therapy | 4 | 174 | 369 | 150 |
| 878 | crime | 16 | 174 | 228 | 335 |
| 880 | Crystal growth | 12 | 173 | 447 | 710 |
| 881 | Cell division | 7 | 172 | 286 | 395 |
| 881 | free radicals | 4 | 172 | 1180 | 1332 |
| 883 | adolescence | 4 | 171 | 751 | 614 |
| 883 | Reading | 9 | 171 | 283 | 350 |
| 885 | Number Theory | 26 | 169 | 172 | 200 |
| 886 | Automation | 10 | 167 | 1321 | 1685 |
| 886 | Geopolitics | 3 | 167 | 262 | 98 |
| 886 | bees | 3 | 167 | 393 | 244 |
| 889 | Metallic Glasses | 9 | 166 | 208 | 325 |
| 889 | Water quality management | 9 | 166 | 1056 | 1151 |
| 889 | Knowledge | 4 | 166 | 393 | 198 |
| 889 | European integration | 8 | 166 | 106 | 144 |
| 889 | European Economic Community | 8 | 166 | 104 | 144 |
| 894 | Heat Exchangers | 3 | 165 | 1189 | 1022 |
| 895 | Computer Vision | 7 | 164 | 714 | 941 |
| 895 | Telecommunications | 4 | 164 | 670 | 296 |
| 897 | Synapses | 3 | 163 | 265 | 217 |
| 898 | Futures | 5 | 162 | 188 | 143 |
| 899 | Clinical Immunology | 5 | 161 | 975 | 964 |
| 899 | Oxidative stress | 4 | 161 | 1060 | 1207 |
| 899 | Cellular senescence | 4 | 161 | 672 | 767 |
| 902 | anesthesia | 13 | 159 | 140 | 163 |
| 903 | Computational Mathematics | 5 | 158 | 61 | 66 |
| 903 | DNA methylation | 1 | 158 | 553 | 265 |
| 903 | Flow cytometry | 3 | 158 | 434 | 301 |
| 906 | Political Geography | 1 | 157 | 474 | 177 |
| 907 | freshwater biology | 8 | 156 | 533 | 646 |
| 908 | violence | 5 | 155 | 687 | 670 |
| 909 | Environmental Law | 14 | 154 | 376 | 1264 |
| 909 | psychopathology | 2 | 154 | 364 | 292 |
| 909 | Geobiology | 8 | 154 | 236 | 334 |
| 912 | nuclear magnetic resonance spectroscopy | 8 | 152 | 440 | 443 |
| 912 | peptides | 12 | 152 | 315 | 473 |
| 912 | Islam | 11 | 152 | 179 | 113 |
| 915 | Socioeconomic Factors | 10 | 151 | 299 | 549 |
| 916 | Production Management | 6 | 149 | 738 | 1096 |
| 916 | fuel cells | 6 | 149 | 951 | 1174 |
| 918 | air | 1 | 148 | 308 | 173 |
| 918 | Yeast | 6 | 148 | 260 | 365 |
| 920 | Social History | 15 | 147 | 164 | 156 |
| 920 | Biofeedback | 3 | 147 | 78 | 68 |
| 922 | Humanities | 21 | 146 | 436 | 678 |
| 922 | cardiac catheterization | 11 | 146 | 374 | 461 |
| 924 | Neonatology | 4 | 145 | 501 | 397 |
| 925 | Criminal psychology | 20 | 143 | 213 | 508 |
| 925 | Library Science | 17 | 143 | 346 | 359 |
| 927 | Mechanics | 6 | 142 | 956 | 715 |
| 928 | Horticulture | 12 | 141 | 327 | 471 |
| 928 | health services accessibility | 8 | 141 | 475 | 616 |
| 930 | Alternative Medicine | 6 | 139 | 1345 | 1433 |
| 930 | complementary therapies | 6 | 139 | 1474 | 1484 |
| 932 | Building Materials | 7 | 138 | 1148 | 1615 |
| 933 | particles | 3 | 137 | 1038 | 678 |
| 934 | foreign exchange | 4 | 136 | 269 | 306 |
| 935 | Greenhouse gases | 5 | 134 | 244 | 352 |
| 935 | Calculus of Variations | 7 | 134 | 292 | 254 |
| 937 | Law | 90 | 133 | 119 | 452 |
| 938 | Nuclear Engineering | 2 | 132 | 1967 | 972 |
| 938 | Optical Imaging | 2 | 132 | 1 | 5 |
| 938 | Zoonoses | 2 | 132 | 393 | 242 |
| 938 | Vaccines | 9 | 132 | 1082 | 1622 |
| 942 | Enteral nutrition | 3 | 131 | 803 | 807 |
| 942 | Parenteral nutrition | 3 | 131 | 972 | 940 |
| 942 | Luminescence | 6 | 131 | 956 | 872 |
| 945 | Electrical Engineering | 50 | 130 | 901 | 2043 |
| 945 | Alloys | 10 | 130 | 89 | 95 |
| 947 | Animal welfare | 4 | 129 | 211 | 225 |
| 948 | Nationalism | 6 | 128 | 201 | 131 |
| 949 | Language Disorders | 8 | 127 | 479 | 566 |
| 949 | Mountains | 12 | 127 | 81 | 148 |
| 951 | Detectors | 2 | 125 | 2035 | 1217 |
| 951 | child abuse | 2 | 125 | 940 | 715 |
| 953 | Computational Chemistry | 6 | 124 | 443 | 581 |
| 953 | Ceramic materials | 2 | 124 | 1627 | 1025 |
| 955 | Medical Technology | 9 | 123 | 939 | 1513 |
| 955 | International Law | 10 | 123 | 163 | 73 |
| 955 | diffusion | 22 | 123 | 39 | 36 |
| 955 | geological modeling | 4 | 123 | 391 | 339 |
| 959 | economic forecasting | 6 | 122 | 158 | 276 |
| 960 | Comparative Psychology | 3 | 121 | 115 | 158 |
| 960 | plant viruses | 6 | 121 | 124 | 198 |
| 960 | industrial relations | 7 | 121 | 483 | 522 |
| 960 | Tropical Medicine | 6 | 121 | 1354 | 1393 |
| 964 | Literature | 26 | 120 | 232 | 58 |
| 964 | Geomagnetism | 8 | 120 | 373 | 502 |
| 964 | Substance Abuse | 4 | 120 | 1212 | 1081 |
| 964 | Atomic spectroscopy | 11 | 120 | 573 | 859 |
| 968 | Cost of illness | 8 | 119 | 7 | 23 |
| 968 | Risk | 3 | 119 | 544 | 506 |
| 968 | Malaria | 4 | 119 | 643 | 658 |
| 968 | Physical fitness | 2 | 119 | 1285 | 875 |
| 968 | insurance | 4 | 119 | 304 | 220 |
| 973 | Mental Health Services | 2 | 118 | 1547 | 966 |
| 973 | venom | 5 | 118 | 532 | 626 |
| 973 | Toxins | 5 | 118 | 617 | 698 |
| 976 | tomography | 6 | 117 | 237 | 235 |
| 977 | Forensic Genetics | 3 | 116 | 230 | 211 |
| 977 | Forecasting | 8 | 116 | 227 | 410 |
| 977 | Metastasis | 1 | 116 | 369 | 341 |
| 980 | Gerontology | 8 | 115 | 1208 | 1363 |
| 980 | toxicity testing | 6 | 115 | 441 | 637 |
| 982 | History | 64 | 114 | 163 | 258 |
| 982 | Information Systems | 17 | 114 | 418 | 1176 |
| 982 | Fire ecology | 3 | 114 | 53 | 48 |
| 982 | Youth | 2 | 114 | 798 | 602 |
| 982 | Post-traumatic stress disorder | 4 | 114 | 624 | 688 |
| 987 | Neuroanatomy | 6 | 113 | 99 | 187 |
| 988 | Palynology | 11 | 112 | 61 | 135 |
| 988 | Human-Computer Interaction | 10 | 112 | 791 | 1312 |
| 988 | Computer-Aided Design | 3 | 112 | 1255 | 949 |
| 988 | Social problems | 12 | 112 | 206 | 526 |
| 988 | Developed countries | 3 | 112 | 181 | 175 |
| 988 | Fisheries | 7 | 112 | 1080 | 1333 |
| 994 | Birth control | 2 | 111 | 579 | 415 |
| 995 | Inorganic Chemistry | 4 | 108 | 51 | 85 |
| 995 | greenhouse effect | 3 | 108 | 44 | 49 |
| 995 | pollutants | 8 | 108 | 1169 | 1998 |
| 995 | Carbon dioxide | 3 | 108 | 44 | 49 |
| 995 | family violence | 1 | 108 | 726 | 399 |
| 1000 | Systems Engineering | 5 | 107 | 1850 | 1699 |