| 1 | Physics | 2,329 | 176.5K | 185 | 195 |
| 2 | Astrophysics | 2,498 | 151.8K | 57 | 77 |
| 3 | Science | 1,414 | 142.9K | 251 | 218 |
| 4 | Biology | 1,476 | 135.2K | 235 | 229 |
| 5 | Chemistry | 2,761 | 126.7K | 108 | 168 |
| 6 | Nuclear Physics | 3,284 | 118.9K | 34 | 39 |
| 7 | Astronomy | 1,700 | 109.3K | 89 | 93 |
| 8 | Neurology | 1,184 | 101.3K | 138 | 106 |
| 9 | Biochemistry | 1,997 | 82.6K | 179 | 198 |
| 10 | Human genetics | 398 | 81.2K | 70 | 79 |
| 11 | Molecular Biology | 1,106 | 73.1K | 228 | 223 |
| 12 | Medicine | 1,309 | 71.9K | 286 | 255 |
| 13 | Natural history | 237 | 69.7K | 278 | 215 |
| 14 | Microbiology | 899 | 58.2K | 183 | 170 |
| 15 | Cytology | 689 | 56.2K | 140 | 155 |
| 16 | Immunology | 538 | 54.9K | 174 | 96 |
| 17 | Cell Biology | 613 | 54.9K | 143 | 154 |
| 18 | Botany | 958 | 51.2K | 58 | 57 |
| 19 | Immunity | 188 | 49.1K | 124 | 53 |
| 20 | Research | 1,095 | 47.2K | 221 | 182 |
| 21 | Spectrum analysis | 567 | 47.1K | 186 | 137 |
| 22 | Psychiatry | 641 | 43.7K | 131 | 100 |
| 23 | Virology | 232 | 35.4K | 262 | 162 |
| 24 | Medical genetics | 466 | 32.7K | 96 | 87 |
| 25 | Neurophysiology | 398 | 30.4K | 130 | 119 |
| 26 | Mathematics | 1,471 | 28.6K | 70 | 54 |
| 27 | Economics | 666 | 28.1K | 66 | 69 |
| 28 | Pharmaceutical Chemistry | 573 | 26.3K | 61 | 51 |
| 29 | Genetics | 351 | 25.0K | 198 | 221 |
| 30 | Immune system | 77 | 23.9K | 94 | 41 |
| 31 | Pharmacology | 926 | 23.3K | 114 | 184 |
| 32 | Ecology | 406 | 20.4K | 398 | 477 |
| 33 | Mental Disorders | 225 | 20.4K | 198 | 107 |
| 34 | Mathematical Physics | 487 | 19.8K | 49 | 38 |
| 35 | Molecules | 187 | 19.5K | 40 | 3 |
| 36 | Geophysics | 559 | 19.2K | 204 | 233 |
| 37 | Mental illness | 179 | 17.8K | 116 | 59 |
| 38 | Allergy | 74 | 17.6K | 158 | 64 |
| 39 | Clinical Chemistry | 328 | 17.2K | 65 | 51 |
| 40 | Nutrition | 348 | 16.8K | 172 | 155 |
| 41 | Quantum Gravity | 446 | 16.4K | 130 | 151 |
| 42 | Molecular structure | 64 | 16.2K | 328 | 42 |
| 43 | Physiology | 637 | 15.3K | 107 | 225 |
| 44 | Plant cells | 156 | 15.2K | 71 | 96 |
| 45 | Cheminformatics | 45 | 14.9K | 3 | 2 |
| 46 | Immunotherapy | 83 | 14.7K | 171 | 57 |
| 47 | Pathology | 344 | 14.1K | 51 | 88 |
| 48 | Biophysics | 441 | 13.8K | 381 | 372 |
| 49 | Environment | 217 | 13.3K | 391 | 471 |
| 50 | Plants | 161 | 13.0K | 114 | 98 |
| 51 | Biotechnology | 273 | 13.0K | 446 | 493 |
| 52 | Soil Science | 278 | 12.8K | 47 | 41 |
| 53 | Plant physiology | 232 | 12.7K | 59 | 87 |
| 54 | Psychophysiology | 294 | 12.4K | 173 | 204 |
| 55 | Solid State Physics | 468 | 12.3K | 292 | 347 |
| 56 | Electrochemistry | 314 | 11.9K | 238 | 157 |
| 57 | Liver diseases | 113 | 11.8K | 149 | 112 |
| 58 | Condensed Matter | 364 | 11.7K | 359 | 373 |
| 59 | Cancer | 228 | 11.7K | 371 | 365 |
| 60 | Statistical physics | 315 | 11.6K | 292 | 202 |
| 61 | Psychology | 204 | 11.4K | 491 | 338 |
| 62 | Histology | 309 | 10.8K | 26 | 43 |
| 63 | Public Health | 311 | 10.7K | 364 | 395 |
| 64 | plant molecular biology | 134 | 10.7K | 94 | 116 |
| 65 | Pollution | 136 | 10.7K | 730 | 529 |
| 66 | Genomics | 207 | 10.5K | 159 | 129 |
| 67 | Microorganisms | 88 | 10.3K | 78 | 31 |
| 68 | Behavior | 123 | 9.7K | 373 | 228 |
| 69 | Neurobiology | 144 | 9.6K | 139 | 146 |
| 70 | Psychopharmacology | 152 | 9.5K | 119 | 101 |
| 71 | Neurochemistry | 172 | 9.4K | 186 | 158 |
| 72 | Nervous system | 133 | 9.3K | 224 | 188 |
| 73 | Cytogenetics | 84 | 9.2K | 179 | 134 |
| 74 | Host-parasite interactions | 46 | 8.7K | 230 | 85 |
| 75 | Meteorology | 245 | 8.6K | 176 | 236 |
| 76 | Geochemistry | 168 | 8.3K | 212 | 197 |
| 77 | Bioengineering | 164 | 8.3K | 375 | 474 |
| 78 | Alzheimer's disease | 202 | 8.2K | 99 | 67 |
| 79 | Geology | 207 | 8.1K | 309 | 275 |
| 80 | Brain | 155 | 8.1K | 293 | 255 |
| 81 | Neurons | 50 | 8.1K | 121 | 152 |
| 82 | Bacterial infections | 64 | 8.0K | 50 | 33 |
| 83 | Developmental Biology | 156 | 7.9K | 197 | 267 |
| 84 | Diet | 117 | 7.9K | 210 | 162 |
| 85 | Computer Graphics | 146 | 7.7K | 71 | 56 |
| 86 | viruses | 84 | 7.7K | 233 | 161 |
| 87 | natural products | 97 | 7.6K | 99 | 27 |
| 88 | Hydrology | 122 | 7.5K | 235 | 135 |
| 89 | Microbial Ecology | 89 | 7.4K | 285 | 263 |
| 90 | Pediatric Neurology | 68 | 7.4K | 125 | 116 |
| 91 | Surface Chemistry | 153 | 7.3K | 417 | 295 |
| 92 | Metabolism | 156 | 7.3K | 320 | 399 |
| 93 | Earth Sciences | 209 | 7.3K | 175 | 249 |
| 94 | Anatomy | 265 | 7.1K | 52 | 149 |
| 94 | Technology | 114 | 7.1K | 493 | 197 |
| 96 | epilepsy | 123 | 7.0K | 23 | 5 |
| 97 | drug therapy | 141 | 6.8K | 225 | 147 |
| 98 | Environmental Health | 180 | 6.8K | 496 | 612 |
| 99 | mycoses | 27 | 6.7K | 139 | 43 |
| 100 | Dementia | 178 | 6.6K | 108 | 73 |
| 101 | Embryology | 181 | 6.6K | 99 | 185 |
| 102 | Organic Chemistry | 209 | 6.4K | 201 | 225 |
| 103 | Ophthalmology | 138 | 6.4K | 162 | 133 |
| 104 | biological evolution | 159 | 6.3K | 151 | 278 |
| 105 | biological factors | 105 | 6.3K | 70 | 36 |
| 106 | Animal Behavior | 195 | 6.3K | 120 | 197 |
| 107 | Paleontology | 286 | 6.2K | 23 | 35 |
| 108 | Plant diseases | 129 | 6.1K | 189 | 102 |
| 109 | Food | 199 | 6.0K | 116 | 168 |
| 110 | Biodiversity conservation | 44 | 5.9K | 410 | 267 |
| 111 | Lipids | 122 | 5.9K | 35 | 50 |
| 112 | Endocrinology | 124 | 5.8K | 473 | 553 |
| 113 | Bioorganic chemistry | 187 | 5.8K | 136 | 192 |
| 114 | Developing countries | 103 | 5.8K | 162 | 84 |
| 115 | Nonlinear Dynamics | 73 | 5.7K | 447 | 152 |
| 116 | drugs | 571 | 5.5K | 6 | 70 |
| 117 | Hematology | 181 | 5.5K | 613 | 574 |
| 118 | Plant Ecology | 91 | 5.4K | 155 | 134 |
| 119 | Water | 69 | 5.4K | 408 | 309 |
| 120 | Neuropsychology | 173 | 5.4K | 137 | 198 |
| 121 | United States | 80 | 5.4K | 984 | 504 |
| 122 | Economic History | 152 | 5.3K | 269 | 128 |
| 123 | Computational Biology | 137 | 5.3K | 186 | 322 |
| 124 | Health | 128 | 5.3K | 158 | 127 |
| 125 | Climatology | 126 | 5.2K | 186 | 237 |
| 126 | Bacteriology | 78 | 5.2K | 292 | 271 |
| 127 | plant communities | 68 | 5.2K | 102 | 81 |
| 128 | environmental pollution | 98 | 5.1K | 658 | 542 |
| 129 | Game Theory | 87 | 5.1K | 9 | 8 |
| 130 | Metabolic diseases | 104 | 5.1K | 367 | 453 |
| 131 | preventive medicine | 165 | 5.1K | 47 | 101 |
| 132 | Electronics | 70 | 5.0K | 740 | 227 |
| 133 | Paleoclimatology | 109 | 5.0K | 47 | 45 |
| 134 | Physical Chemistry | 273 | 5.0K | 48 | 201 |
| 135 | Paleoecology | 106 | 5.0K | 42 | 32 |
| 136 | Economic Development | 76 | 5.0K | 143 | 95 |
| 137 | Geomorphology | 74 | 4.9K | 115 | 54 |
| 138 | Environmental monitoring | 95 | 4.9K | 455 | 388 |
| 139 | Biomedical Engineering | 130 | 4.8K | 586 | 517 |
| 140 | Biochemical Engineering | 26 | 4.8K | 1262 | 624 |
| 141 | Artificial Intelligence | 99 | 4.8K | 463 | 281 |
| 142 | Zoology | 152 | 4.7K | 194 | 165 |
| 143 | Electrochemical Analysis | 126 | 4.7K | 56 | 50 |
| 144 | Catalysis | 138 | 4.7K | 562 | 687 |
| 145 | Medical Microbiology | 185 | 4.7K | 120 | 335 |
| 146 | Bioinformatics | 103 | 4.7K | 176 | 285 |
| 147 | Cognition | 97 | 4.6K | 205 | 194 |
| 148 | Epidemiology | 109 | 4.6K | 551 | 469 |
| 149 | Agriculture | 130 | 4.5K | 161 | 150 |
| 150 | Astrocytes | 70 | 4.5K | 10 | 18 |
| 151 | world | 51 | 4.5K | 56 | 37 |
| 152 | Europe | 173 | 4.5K | 232 | 194 |
| 153 | Climate change | 28 | 4.5K | 305 | 267 |
| 154 | Eutrophication | 27 | 4.5K | 315 | 265 |
| 155 | Reproduction | 106 | 4.5K | 286 | 225 |
| 156 | water supply | 40 | 4.4K | 197 | 95 |
| 157 | Geography | 156 | 4.3K | 165 | 175 |
| 158 | soil microbiology | 86 | 4.3K | 145 | 198 |
| 159 | nucleic acids | 53 | 4.3K | 386 | 409 |
| 160 | Aging | 94 | 4.2K | 456 | 336 |
| 161 | Cell differentiation | 75 | 4.2K | 294 | 399 |
| 162 | Econometrics | 71 | 4.2K | 146 | 125 |
| 163 | Pharmacy | 527 | 4.1K | 18 | 160 |
| 164 | Therapeutics | 55 | 4.1K | 349 | 210 |
| 165 | Colloids | 44 | 4.0K | 1170 | 599 |
| 166 | Health Policy | 162 | 4.0K | 133 | 178 |
| 166 | Medical innovations | 29 | 4.0K | 188 | 137 |
| 168 | Materials | 153 | 4.0K | 1074 | 1292 |
| 169 | Signal Transduction | 80 | 4.0K | 79 | 122 |
| 170 | Petrology | 80 | 4.0K | 114 | 107 |
| 171 | Geodesy | 120 | 4.0K | 15 | 7 |
| 172 | Planets | 83 | 4.0K | 355 | 342 |
| 173 | Paleogeography | 71 | 4.0K | 56 | 38 |
| 174 | Mineralogy | 84 | 3.9K | 177 | 125 |
| 175 | Optics | 155 | 3.9K | 655 | 524 |
| 176 | Parasitology | 94 | 3.9K | 278 | 176 |
| 177 | Virulence | 31 | 3.9K | 317 | 189 |
| 178 | Numerical Analysis | 167 | 3.9K | 70 | 83 |
| 179 | United Kingdom | 81 | 3.9K | 197 | 188 |
| 180 | infection | 86 | 3.9K | 141 | 151 |
| 181 | Computer Vision | 46 | 3.9K | 150 | 127 |
| 182 | Clinical Pharmacology | 75 | 3.9K | 138 | 69 |
| 183 | Environmental Policy | 144 | 3.8K | 184 | 457 |
| 184 | Infections | 79 | 3.8K | 77 | 119 |
| 185 | Cognitive neuroscience | 57 | 3.8K | 141 | 176 |
| 186 | Informatics | 125 | 3.8K | 7 | 37 |
| 187 | Atmospheric Physics | 142 | 3.8K | 199 | 315 |
| 188 | Meteorites | 62 | 3.7K | 201 | 200 |
| 189 | Ethology | 105 | 3.7K | 168 | 252 |
| 190 | Computational Chemistry | 40 | 3.7K | 40 | 80 |
| 190 | Drug design | 99 | 3.7K | 44 | 59 |
| 192 | Evolution | 111 | 3.7K | 186 | 350 |
| 193 | Development | 53 | 3.7K | 67 | 47 |
| 194 | Pharmacognosy | 73 | 3.6K | 180 | 131 |
| 195 | Soil biology | 71 | 3.6K | 91 | 135 |
| 196 | Diabetes | 49 | 3.6K | 594 | 499 |
| 197 | Diabetes mellitus | 45 | 3.6K | 579 | 477 |
| 198 | Parasitic Diseases | 80 | 3.5K | 213 | 211 |
| 199 | Nanotechnology | 53 | 3.5K | 1527 | 1178 |
| 200 | global environmental change | 56 | 3.4K | 57 | 53 |
| 201 | Economic Assistance | 40 | 3.4K | 79 | 40 |
| 202 | drug development | 22 | 3.4K | 264 | 150 |
| 203 | Cardiovascular system | 60 | 3.4K | 342 | 442 |
| 204 | Schizophrenia | 85 | 3.4K | 138 | 148 |
| 205 | genome | 59 | 3.3K | 225 | 381 |
| 206 | Comparative Physiology | 110 | 3.3K | 25 | 35 |
| 207 | Urology | 71 | 3.3K | 394 | 296 |
| 208 | food technology | 69 | 3.3K | 379 | 259 |
| 209 | Critical Care | 36 | 3.2K | 493 | 389 |
| 209 | Critical Care Medicine | 36 | 3.2K | 486 | 386 |
| 211 | Synaptic Transmission | 87 | 3.2K | 13 | 12 |
| 212 | cell physiology | 47 | 3.2K | 301 | 293 |
| 213 | gene mapping | 57 | 3.2K | 334 | 337 |
| 214 | Materials Science | 88 | 3.2K | 1005 | 1004 |
| 214 | Agricultural Chemistry | 81 | 3.2K | 322 | 274 |
| 216 | Bacteria | 43 | 3.2K | 21 | 22 |
| 217 | Engineering | 78 | 3.1K | 656 | 291 |
| 218 | Biogeography | 23 | 3.1K | 297 | 134 |
| 219 | Molecular evolution | 51 | 3.1K | 269 | 236 |
| 220 | Neuropsychiatry | 73 | 3.1K | 52 | 47 |
| 221 | Biodiversity | 96 | 3.0K | 177 | 323 |
| 222 | Robotics | 66 | 3.0K | 168 | 99 |
| 223 | Sustainable Development | 58 | 3.0K | 170 | 164 |
| 224 | Polymers | 41 | 3.0K | 1714 | 922 |
| 225 | Toxicology | 144 | 2.9K | 594 | 946 |
| 226 | Molecular Genetics | 62 | 2.9K | 338 | 360 |
| 227 | diseases | 3 | 2.9K | 392 | 166 |
| 227 | Disease | 3 | 2.9K | 408 | 162 |
| 229 | Neurosurgery | 58 | 2.9K | 135 | 92 |
| 230 | gene therapy | 48 | 2.9K | 162 | 146 |
| 231 | Solid State Chemistry | 147 | 2.8K | 183 | 218 |
| 232 | Memory | 79 | 2.8K | 314 | 302 |
| 233 | Mechanics | 79 | 2.8K | 72 | 55 |
| 234 | personality | 67 | 2.8K | 212 | 268 |
| 235 | Chromosome mapping | 52 | 2.8K | 309 | 275 |
| 236 | Statistics | 96 | 2.8K | 390 | 355 |
| 237 | Morphology | 108 | 2.8K | 16 | 19 |
| 238 | Clinical Psychology | 46 | 2.8K | 317 | 305 |
| 239 | Chemical Engineering | 95 | 2.7K | 905 | 1110 |
| 240 | Breeding | 83 | 2.7K | 113 | 128 |
| 241 | Globalization | 8 | 2.7K | 282 | 11 |
| 242 | Diagnostic Imaging | 55 | 2.7K | 370 | 248 |
| 243 | Functional Analysis | 122 | 2.7K | 36 | 44 |
| 244 | Agricultural systems | 51 | 2.7K | 18 | 10 |
| 245 | analysis | 70 | 2.7K | 18 | 34 |
| 246 | Medical Laboratory Science | 57 | 2.7K | 257 | 234 |
| 247 | Phylogeny | 56 | 2.6K | 74 | 95 |
| 248 | Nanostructured Materials | 76 | 2.6K | 650 | 666 |
| 249 | Land use | 61 | 2.6K | 66 | 52 |
| 250 | Surgery | 11 | 2.6K | 1516 | 703 |
| 251 | Social Psychology | 61 | 2.5K | 405 | 415 |
| 252 | Industrial Microbiology | 47 | 2.5K | 274 | 242 |
| 253 | Membranes | 60 | 2.5K | 299 | 348 |
| 254 | Pediatrics | 37 | 2.5K | 866 | 651 |
| 255 | Genetic regulation | 34 | 2.5K | 241 | 269 |
| 256 | Biogeochemical cycles | 10 | 2.5K | 262 | 100 |
| 257 | Analytical Chemistry | 181 | 2.5K | 485 | 981 |
| 258 | Stem cells | 62 | 2.5K | 251 | 268 |
| 259 | Remote Sensing | 131 | 2.5K | 54 | 38 |
| 260 | natural disasters | 28 | 2.4K | 217 | 66 |
| 261 | Growth | 63 | 2.4K | 202 | 377 |
| 262 | Biogeochemistry | 48 | 2.4K | 219 | 259 |
| 263 | Environmental Management | 55 | 2.4K | 477 | 497 |
| 264 | Differential Equations | 42 | 2.4K | 131 | 37 |
| 265 | brain mapping | 43 | 2.4K | 92 | 104 |
| 266 | Visual Perception | 80 | 2.3K | 259 | 272 |
| 267 | Perception | 82 | 2.3K | 308 | 344 |
| 268 | Combinatorial analysis | 39 | 2.3K | 212 | 32 |
| 269 | mathematical analysis | 184 | 2.3K | 126 | 170 |
| 270 | Long-Term Care | 4 | 2.3K | 562 | 81 |
| 270 | Long-term care facilities | 4 | 2.3K | 559 | 81 |
| 272 | Attention | 78 | 2.3K | 276 | 289 |
| 273 | Bioinorganic chemistry | 91 | 2.3K | 88 | 102 |
| 274 | Computer-Aided Design | 69 | 2.3K | 68 | 69 |
| 275 | Agricultural Ecology | 35 | 2.2K | 197 | 177 |
| 275 | Regional Planning | 69 | 2.2K | 169 | 140 |
| 277 | Inflammation | 50 | 2.2K | 110 | 103 |
| 278 | human behavior | 52 | 2.2K | 499 | 660 |
| 279 | ecosystem | 20 | 2.2K | 494 | 257 |
| 280 | Cognitive Science | 31 | 2.1K | 331 | 263 |
| 281 | Nuclear Medicine | 34 | 2.1K | 283 | 167 |
| 282 | Genetic therapy | 41 | 2.1K | 244 | 212 |
| 283 | Operations Research | 74 | 2.1K | 318 | 336 |
| 284 | Obstetrics | 97 | 2.1K | 412 | 500 |
| 285 | Obesity | 40 | 2.1K | 568 | 489 |
| 286 | economic policy | 115 | 2.0K | 161 | 200 |
| 286 | hygiene | 50 | 2.0K | 23 | 20 |
| 288 | Parenteral nutrition | 36 | 2.0K | 213 | 219 |
| 289 | Oncogenes | 29 | 2.0K | 402 | 425 |
| 290 | Food Microbiology | 34 | 2.0K | 252 | 210 |
| 291 | emergency management | 23 | 2.0K | 125 | 30 |
| 292 | Genetic engineering | 43 | 2.0K | 432 | 453 |
| 292 | probabilities | 134 | 2.0K | 58 | 72 |
| 294 | cell interaction | 49 | 2.0K | 95 | 99 |
| 295 | Diagnostic microbiology | 27 | 2.0K | 421 | 411 |
| 296 | Social behavior | 66 | 2.0K | 114 | 202 |
| 297 | Algebra | 67 | 2.0K | 202 | 40 |
| 298 | Agronomy | 29 | 2.0K | 100 | 90 |
| 299 | Soil ecology | 43 | 1.9K | 77 | 83 |
| 300 | Enteral nutrition | 31 | 1.9K | 160 | 173 |
| 301 | Magnetic Resonance Spectroscopy | 66 | 1.9K | 154 | 151 |
| 302 | Mathematical Economics | 48 | 1.9K | 14 | 48 |
| 303 | Molecular Imaging | 24 | 1.9K | 218 | 139 |
| 304 | Crystallography | 48 | 1.9K | 340 | 151 |
| 305 | Biopharmaceutics | 59 | 1.9K | 88 | 120 |
| 306 | Image Processing | 31 | 1.8K | 498 | 303 |
| 307 | Animal Nutrition | 158 | 1.8K | 11 | 41 |
| 308 | Histochemistry | 76 | 1.8K | 70 | 88 |
| 309 | Sustainable agriculture | 37 | 1.8K | 79 | 43 |
| 310 | soil management | 38 | 1.8K | 58 | 60 |
| 311 | Plant Genetics | 25 | 1.8K | 157 | 146 |
| 312 | Energy Policy | 41 | 1.8K | 549 | 640 |
| 313 | Labor Economics | 32 | 1.7K | 39 | 37 |
| 314 | Public Policy | 21 | 1.7K | 594 | 254 |
| 315 | pain | 39 | 1.7K | 318 | 361 |
| 316 | Environmental Geology | 29 | 1.7K | 294 | 141 |
| 317 | Hypertension | 33 | 1.7K | 561 | 670 |
| 318 | Entomology | 125 | 1.7K | 228 | 340 |
| 319 | atmospheric models | 32 | 1.7K | 197 | 194 |
| 320 | Cosmology | 109 | 1.7K | 85 | 142 |
| 321 | Transplantation | 33 | 1.7K | 403 | 370 |
| 322 | Environmental Microbiology | 28 | 1.7K | 331 | 352 |
| 323 | Proteomics | 26 | 1.7K | 242 | 193 |
| 324 | Dermatology | 37 | 1.6K | 585 | 386 |
| 325 | Engineering Geology | 21 | 1.6K | 495 | 244 |
| 326 | Atmospheric Chemistry | 47 | 1.6K | 263 | 375 |
| 327 | Calculus of Variations | 99 | 1.6K | 4 | 7 |
| 328 | Environmental Engineering | 33 | 1.6K | 1188 | 1045 |
| 329 | finance | 45 | 1.6K | 503 | 383 |
| 330 | Natural resources | 22 | 1.6K | 179 | 103 |
| 331 | Herbal medicine | 14 | 1.6K | 222 | 50 |
| 332 | Electrophysiology | 58 | 1.6K | 137 | 103 |
| 333 | Organometallic chemistry | 88 | 1.6K | 113 | 134 |
| 333 | Steroids | 60 | 1.6K | 81 | 116 |
| 335 | Biocompatible Materials | 41 | 1.6K | 1272 | 1467 |
| 336 | Oxidation-reduction | 17 | 1.6K | 261 | 227 |
| 337 | heredity | 54 | 1.6K | 48 | 53 |
| 338 | environmental protection | 47 | 1.5K | 725 | 840 |
| 339 | nuclear magnetic resonance | 42 | 1.5K | 239 | 188 |
| 339 | Atomic spectroscopy | 67 | 1.5K | 90 | 107 |
| 341 | Oncology | 33 | 1.5K | 689 | 1238 |
| 342 | Organometallic compounds | 70 | 1.5K | 90 | 170 |
| 343 | Developmental Genetics | 15 | 1.5K | 267 | 266 |
| 343 | Learning | 32 | 1.5K | 340 | 304 |
| 345 | Cerebral cortex | 35 | 1.5K | 194 | 270 |
| 346 | Soft Condensed Matter | 6 | 1.5K | 899 | 197 |
| 347 | animals | 58 | 1.5K | 125 | 102 |
| 348 | Medical Oncology | 30 | 1.5K | 823 | 597 |
| 349 | Genetic epidemiology | 46 | 1.5K | 37 | 45 |
| 350 | biopolymers | 6 | 1.5K | 1003 | 226 |
| 351 | Biometrics | 37 | 1.5K | 249 | 204 |
| 352 | Sociology | 77 | 1.5K | 460 | 621 |
| 353 | Hemophilia | 60 | 1.5K | 35 | 62 |
| 354 | Mass Spectrometry | 26 | 1.5K | 388 | 226 |
| 355 | Soil fertility | 29 | 1.4K | 37 | 55 |
| 356 | Land Use Planning | 6 | 1.4K | 230 | 33 |
| 357 | Gene expression regulation | 17 | 1.4K | 379 | 294 |
| 358 | polymerization | 30 | 1.4K | 1693 | 1140 |
| 359 | Environmental Chemistry | 33 | 1.4K | 490 | 677 |
| 360 | tillage | 27 | 1.4K | 64 | 63 |
| 361 | Geometry | 133 | 1.4K | 21 | 47 |
| 362 | Plant Morphology | 44 | 1.4K | 46 | 35 |
| 363 | Molecular Spectroscopy | 50 | 1.4K | 251 | 198 |
| 364 | Molecular Microbiology | 12 | 1.4K | 483 | 359 |
| 365 | Pharmaceutical Technology | 51 | 1.4K | 199 | 281 |
| 365 | Child Development | 28 | 1.4K | 667 | 533 |
| 367 | Pharmacogenetics | 42 | 1.4K | 152 | 240 |
| 368 | Cell metabolism | 10 | 1.3K | 350 | 418 |
| 369 | environmental indicators | 20 | 1.3K | 271 | 144 |
| 370 | Nutrition physiology | 90 | 1.3K | 14 | 110 |
| 371 | environmental issues | 28 | 1.3K | 29 | 29 |
| 372 | Geodynamics | 32 | 1.3K | 210 | 219 |
| 373 | Statistical Mechanics | 34 | 1.3K | 238 | 108 |
| 374 | Solar System | 47 | 1.3K | 229 | 276 |
| 375 | Geriatrics | 69 | 1.3K | 604 | 795 |
| 376 | Infertility | 17 | 1.3K | 582 | 357 |
| 376 | fertility | 17 | 1.3K | 610 | 372 |
| 378 | Food Policy | 25 | 1.3K | 49 | 45 |
| 379 | Animal ecology | 54 | 1.3K | 187 | 303 |
| 380 | Nonlinear functional analysis | 66 | 1.3K | 74 | 97 |
| 381 | proteins | 60 | 1.3K | 361 | 572 |
| 382 | Electrophoresis | 44 | 1.3K | 266 | 286 |
| 383 | Homeostasis | 8 | 1.2K | 295 | 428 |
| 383 | energy resources | 24 | 1.2K | 374 | 467 |
| 385 | Antioxidants | 15 | 1.2K | 262 | 217 |
| 386 | agricultural policy | 23 | 1.2K | 33 | 32 |
| 387 | Jurisprudence | 172 | 1.2K | 9 | 93 |
| 388 | Child | 29 | 1.2K | 893 | 602 |
| 389 | Renewable Energy Sources | 15 | 1.2K | 1232 | 1082 |
| 390 | Immunopathology | 33 | 1.2K | 398 | 391 |
| 391 | cloning | 20 | 1.2K | 165 | 231 |
| 392 | Child psychology | 11 | 1.2K | 899 | 538 |
| 393 | Animal breeding | 53 | 1.2K | 117 | 134 |
| 394 | Plant genetic engineering | 24 | 1.2K | 248 | 255 |
| 394 | histological techniques | 21 | 1.2K | 157 | 145 |
| 396 | Mycology | 26 | 1.2K | 542 | 442 |
| 397 | Developmental Psychology | 13 | 1.1K | 498 | 333 |
| 398 | Hormones | 38 | 1.1K | 305 | 399 |
| 399 | Primary health care | 32 | 1.1K | 457 | 337 |
| 400 | Cosmochemistry | 24 | 1.1K | 232 | 182 |
| 401 | Forensic Genetics | 15 | 1.1K | 84 | 46 |
| 401 | Crystallization | 13 | 1.1K | 201 | 37 |
| 403 | Hippocampus | 16 | 1.1K | 76 | 81 |
| 404 | Physical organic chemistry | 47 | 1.1K | 171 | 199 |
| 405 | Retina | 6 | 1.1K | 96 | 102 |
| 405 | eye | 6 | 1.1K | 118 | 107 |
| 407 | Bioenergetics | 42 | 1.1K | 129 | 205 |
| 408 | International Finance | 33 | 1.1K | 344 | 306 |
| 409 | Water pollution | 30 | 1.1K | 911 | 991 |
| 410 | Organic Geochemistry | 20 | 1.1K | 89 | 97 |
| 411 | Animal genetics | 48 | 1.1K | 99 | 128 |
| 412 | Rock deformation | 21 | 1.1K | 15 | 10 |
| 413 | Oxidative stress | 12 | 1.1K | 538 | 290 |
| 414 | Cell death | 20 | 1.1K | 502 | 569 |
| 415 | enzymes | 43 | 1.1K | 247 | 396 |
| 416 | Energy metabolism | 39 | 1.1K | 123 | 186 |
| 417 | management | 34 | 1.0K | 1061 | 1178 |
| 418 | Chromatographic analysis | 30 | 1.0K | 501 | 313 |
| 419 | Extracellular matrix | 7 | 1.0K | 174 | 70 |
| 419 | collagen | 7 | 1.0K | 186 | 71 |
| 421 | Quantum theory | 49 | 1.0K | 98 | 139 |
| 422 | Fertilizers | 84 | 1.0K | 22 | 53 |
| 423 | Chromatography | 29 | 1.0K | 412 | 260 |
| 424 | cell membrane | 36 | 1.0K | 129 | 170 |
| 425 | Metallurgy | 13 | 1.0K | 1435 | 719 |
| 426 | Lipid metabolism | 18 | 1.0K | 75 | 69 |
| 426 | Lipid | 18 | 1.0K | 76 | 70 |
| 428 | Analytical Biochemistry | 23 | 1.0K | 525 | 429 |
| 428 | China | 66 | 1.0K | 464 | 578 |
| 430 | Proteome | 22 | 999 | 372 | 422 |
| 431 | Respiration | 33 | 988 | 442 | 534 |
| 432 | Cerebellum | 21 | 983 | 42 | 45 |
| 432 | Cerebellar ataxia | 21 | 983 | 42 | 45 |
| 434 | Substance Abuse | 18 | 969 | 632 | 379 |
| 435 | Automation | 10 | 968 | 1129 | 505 |
| 436 | Decision making | 32 | 961 | 295 | 344 |
| 437 | Cell communication | 31 | 953 | 88 | 133 |
| 438 | nuclear magnetic resonance spectroscopy | 29 | 950 | 144 | 117 |
| 439 | Water quality management | 35 | 934 | 334 | 320 |
| 440 | Microscopy | 30 | 933 | 396 | 277 |
| 441 | Andrology | 16 | 927 | 237 | 100 |
| 442 | Molecular Pharmacology | 20 | 925 | 215 | 230 |
| 443 | System analysis | 35 | 921 | 617 | 546 |
| 444 | Radiation effects | 25 | 904 | 69 | 105 |
| 445 | cytokines | 33 | 899 | 247 | 360 |
| 445 | Consciousness | 20 | 899 | 72 | 63 |
| 447 | free radicals | 32 | 895 | 381 | 650 |
| 448 | behavioral medicine | 19 | 894 | 464 | 470 |
| 449 | Leukemia | 20 | 893 | 634 | 601 |
| 450 | Human Geography | 37 | 889 | 222 | 233 |
| 451 | Reproductive health | 15 | 883 | 307 | 148 |
| 452 | Particle Physics | 56 | 870 | 44 | 97 |
| 453 | Systems Biology | 42 | 859 | 252 | 388 |
| 454 | Social Sciences | 70 | 858 | 597 | 731 |
| 455 | Photogrammetry | 78 | 856 | 54 | 29 |
| 455 | Enzyme inhibitors | 6 | 856 | 219 | 35 |
| 457 | Immunogenetics | 30 | 848 | 141 | 166 |
| 458 | Environmental pollutants | 30 | 841 | 607 | 769 |
| 459 | labor | 9 | 840 | 140 | 46 |
| 460 | working class | 7 | 835 | 101 | 47 |
| 461 | pollutants | 25 | 828 | 567 | 662 |
| 462 | Cell adhesion | 16 | 823 | 9 | 9 |
| 463 | Radiobiology | 21 | 820 | 907 | 663 |
| 463 | biomimicry | 12 | 820 | 31 | 12 |
| 465 | Paleobiology | 50 | 812 | 14 | 13 |
| 466 | Medicinal plants | 19 | 810 | 482 | 462 |
| 467 | Quantum Optics | 36 | 805 | 136 | 149 |
| 468 | Cardiovascular diseases | 16 | 801 | 838 | 551 |
| 469 | peace | 7 | 795 | 313 | 123 |
| 470 | Serology | 18 | 789 | 89 | 69 |
| 471 | mammals | 38 | 783 | 179 | 238 |
| 472 | Radiation | 37 | 781 | 526 | 575 |
| 473 | health services accessibility | 11 | 780 | 466 | 190 |
| 474 | RNA | 13 | 778 | 219 | 189 |
| 475 | pain management | 21 | 776 | 157 | 125 |
| 476 | Rural Development | 17 | 775 | 128 | 89 |
| 477 | glycoproteins | 25 | 770 | 76 | 127 |
| 477 | Glycoconjugates | 25 | 770 | 76 | 127 |
| 477 | glycolipids | 25 | 770 | 76 | 127 |
| 480 | Energy Conversion | 5 | 768 | 1090 | 728 |
| 481 | actuators | 29 | 763 | 665 | 847 |
| 481 | transducers | 29 | 763 | 665 | 847 |
| 483 | Plant tissue culture | 25 | 761 | 132 | 148 |
| 484 | Plant cell culture | 22 | 756 | 122 | 146 |
| 485 | Food additives | 11 | 755 | 626 | 384 |
| 486 | drug evaluation | 37 | 744 | 178 | 262 |
| 487 | Approximation Theory | 31 | 741 | 58 | 38 |
| 488 | Geriatric Psychiatry | 23 | 713 | 339 | 365 |
| 489 | libraries | 2 | 709 | 1179 | 57 |
| 490 | Antigens | 29 | 708 | 202 | 306 |
| 491 | Oceanography | 29 | 707 | 699 | 824 |
| 492 | city planning | 31 | 699 | 387 | 431 |
| 493 | commerce | 29 | 697 | 336 | 503 |
| 494 | Neuropharmacology | 21 | 689 | 107 | 138 |
| 495 | rare diseases | 14 | 688 | 263 | 213 |
| 496 | Genetic variation | 22 | 681 | 10 | 5 |
| 496 | Protozoa | 24 | 681 | 70 | 143 |
| 498 | Clinical Immunology | 18 | 678 | 573 | 482 |
| 499 | Optical materials | 16 | 675 | 1399 | 1330 |
| 500 | food contamination | 11 | 671 | 471 | 152 |
| 501 | behavior modification | 1 | 669 | 722 | 192 |
| 501 | child behavior | 1 | 669 | 790 | 131 |
| 501 | children | 1 | 669 | 1142 | 166 |
| 504 | consumer behavior | 7 | 668 | 308 | 169 |
| 504 | environmental exposure | 14 | 668 | 908 | 695 |
| 506 | Data Mining | 25 | 667 | 338 | 618 |
| 507 | Marine Biology | 45 | 666 | 755 | 1169 |
| 508 | Political Science | 51 | 662 | 389 | 469 |
| 509 | Plant Taxonomy | 32 | 661 | 78 | 112 |
| 509 | sustainability | 11 | 661 | 317 | 341 |
| 511 | Hydrometeorology | 12 | 660 | 91 | 116 |
| 512 | Health Services Research | 20 | 658 | 666 | 576 |
| 512 | Carbohydrates | 22 | 658 | 73 | 139 |
| 514 | Chemical structure | 4 | 650 | 470 | 35 |
| 515 | Antiviral agents | 21 | 647 | 62 | 60 |
| 515 | transport vesicles | 3 | 647 | 256 | 341 |
| 517 | Vocational guidance | 15 | 645 | 358 | 354 |
| 518 | Insects | 19 | 641 | 606 | 441 |
| 519 | Neuroimmunology | 8 | 639 | 484 | 326 |
| 519 | carcinogens | 7 | 639 | 756 | 435 |
| 519 | Population | 17 | 639 | 364 | 264 |
| 522 | Asia | 29 | 638 | 756 | 562 |
| 523 | energy conservation | 21 | 636 | 577 | 864 |
| 524 | Chemical Ecology | 20 | 633 | 141 | 177 |
| 525 | Forest Ecology | 13 | 632 | 536 | 445 |
| 525 | bioclimatology | 23 | 632 | 163 | 201 |
| 527 | soil conservation | 23 | 629 | 119 | 155 |
| 528 | hazard mitigation | 12 | 626 | 336 | 220 |
| 529 | Climate | 15 | 624 | 176 | 181 |
| 530 | Psycholinguistics | 13 | 622 | 473 | 394 |
| 531 | organization | 8 | 618 | 470 | 400 |
| 532 | Pharmacogenomics | 11 | 616 | 73 | 52 |
| 533 | Germany | 153 | 615 | 11 | 28 |
| 534 | Psychoneuroimmunology | 7 | 614 | 475 | 308 |
| 535 | Developmental Neurobiology | 9 | 612 | 264 | 86 |
| 536 | catalytic activity | 12 | 608 | 286 | 219 |
| 537 | Adolescent Medicine | 6 | 607 | 513 | 448 |
| 538 | mutagens | 7 | 604 | 638 | 436 |
| 539 | Fungi | 14 | 599 | 492 | 532 |
| 540 | Carcinogenesis | 6 | 597 | 860 | 472 |
| 540 | feeding behavior | 19 | 597 | 248 | 269 |
| 540 | Appetite | 19 | 597 | 208 | 230 |
| 543 | sanitation | 11 | 595 | 949 | 1117 |
| 543 | weather | 15 | 595 | 144 | 122 |
| 545 | Business | 49 | 593 | 399 | 1032 |
| 546 | energy development | 8 | 591 | 438 | 423 |
| 547 | Recombinant DNA | 19 | 590 | 562 | 577 |
| 548 | Geographic information systems | 38 | 589 | 112 | 170 |
| 548 | Soil | 2 | 589 | 114 | 32 |
| 550 | Ecophysiology | 24 | 588 | 9 | 12 |
| 550 | cell adhesion molecules | 21 | 588 | 75 | 116 |
| 550 | Tropical Medicine | 23 | 588 | 623 | 546 |
| 553 | Dynamics | 32 | 583 | 397 | 373 |
| 554 | Oral Medicine | 12 | 582 | 276 | 68 |
| 555 | Parkinson's disease | 5 | 581 | 170 | 43 |
| 556 | Environmental Toxicology | 13 | 579 | 1284 | 1291 |
| 557 | Hydraulic Engineering | 9 | 578 | 598 | 300 |
| 557 | Educational Psychology | 19 | 578 | 558 | 538 |
| 557 | Consumer education | 20 | 578 | 34 | 74 |
| 560 | peptides | 33 | 573 | 88 | 119 |
| 561 | pheromones | 16 | 572 | 159 | 180 |
| 561 | amino acids | 30 | 572 | 33 | 124 |
| 563 | Drug delivery systems | 24 | 568 | 412 | 756 |
| 563 | Health promotion | 17 | 568 | 639 | 616 |
| 565 | Information Theory | 25 | 566 | 309 | 358 |
| 566 | Genes | 42 | 565 | 139 | 351 |
| 567 | Functional Genomics | 7 | 563 | 160 | 111 |
| 567 | Chemical industry | 57 | 563 | 170 | 275 |
| 569 | Medical Anthropology | 19 | 561 | 460 | 695 |
| 570 | Green Chemistry | 18 | 560 | 737 | 1007 |
| 571 | Bones | 8 | 558 | 713 | 475 |
| 572 | Quality Control | 19 | 557 | 546 | 555 |
| 572 | land degradation | 18 | 557 | 74 | 77 |
| 572 | degradation | 18 | 557 | 74 | 77 |
| 575 | Hydrodynamics | 9 | 556 | 330 | 211 |
| 576 | International Relations | 22 | 554 | 393 | 267 |
| 577 | Archaeology | 43 | 552 | 319 | 430 |
| 578 | Chromosomes | 16 | 542 | 394 | 466 |
| 579 | Genetic disorders | 38 | 540 | 86 | 222 |
| 580 | Laser Spectroscopy | 23 | 537 | 201 | 218 |
| 581 | Paleobotany | 7 | 529 | 82 | 30 |
| 581 | Information Science | 49 | 529 | 388 | 1031 |
| 583 | Radioisotopes | 44 | 527 | 170 | 255 |
| 584 | Vegetation dynamics | 6 | 526 | 94 | 30 |
| 585 | Oligosaccharide | 15 | 521 | 76 | 142 |
| 586 | Food Security | 21 | 520 | 18 | 42 |
| 586 | Sun | 27 | 520 | 151 | 213 |
| 588 | Speech | 11 | 518 | 466 | 374 |
| 589 | Speech Disorders | 10 | 516 | 627 | 416 |
| 589 | foreign exchange | 12 | 516 | 96 | 113 |
| 591 | Photonics | 20 | 515 | 730 | 1018 |
| 592 | atmosphere | 21 | 514 | 208 | 271 |
| 593 | Cellular senescence | 4 | 505 | 723 | 304 |
| 594 | Agricultural Engineering | 15 | 502 | 151 | 109 |
| 595 | Computational Complexity | 23 | 501 | 186 | 129 |
| 596 | Groundwater | 10 | 500 | 380 | 190 |
| 596 | Muscles | 13 | 500 | 433 | 475 |
| 598 | Teratology | 26 | 496 | 51 | 133 |
| 599 | Thrombosis | 17 | 493 | 532 | 625 |
| 600 | scientific societies | 13 | 492 | 356 | 302 |
| 601 | Fluid Mechanics | 8 | 491 | 1273 | 675 |
| 602 | Population Genetics | 8 | 486 | 889 | 756 |
| 603 | Chemotherapy | 21 | 485 | 582 | 727 |
| 604 | Neuroanatomy | 7 | 484 | 93 | 40 |
| 604 | international cooperation | 5 | 484 | 472 | 195 |
| 606 | visualization | 43 | 480 | 281 | 245 |
| 607 | Topology | 53 | 479 | 15 | 39 |
| 608 | War and Society | 3 | 473 | 223 | 106 |
| 608 | warfare | 3 | 473 | 319 | 131 |
| 608 | exobiology | 3 | 473 | 389 | 162 |
| 611 | Bryology | 16 | 468 | 67 | 42 |
| 612 | international trade | 7 | 467 | 439 | 202 |
| 613 | Geomagnetism | 20 | 466 | 272 | 285 |
| 614 | Adolescent | 16 | 465 | 1058 | 961 |
| 615 | Communication | 18 | 462 | 821 | 739 |
| 616 | Digestive system diseases | 13 | 456 | 539 | 465 |
| 617 | embryonic development | 11 | 453 | 186 | 149 |
| 618 | Horticulture | 22 | 452 | 221 | 188 |
| 618 | Extreme environments | 6 | 452 | 132 | 67 |
| 620 | Evidence-Based Medicine | 7 | 450 | 908 | 330 |
| 621 | Molecular ecology | 11 | 449 | 665 | 818 |
| 622 | Africa | 22 | 447 | 503 | 356 |
| 623 | Machine Learning | 16 | 446 | 78 | 153 |
| 623 | abnormalities | 24 | 446 | 25 | 76 |
| 625 | Medical Ethics | 35 | 445 | 210 | 298 |
| 625 | Plant hormones | 13 | 445 | 87 | 84 |
| 627 | Flow cytometry | 17 | 444 | 80 | 133 |
| 628 | language | 10 | 443 | 399 | 325 |
| 629 | Molecular cloning | 13 | 442 | 730 | 691 |
| 629 | Genetic recombination | 13 | 442 | 716 | 681 |
| 631 | Plant breeding | 19 | 441 | 275 | 312 |
| 631 | Neuromuscular diseases | 11 | 441 | 367 | 329 |
| 633 | Landscape Ecology | 7 | 439 | 294 | 232 |
| 634 | Neurolinguistics | 7 | 437 | 278 | 202 |
| 635 | Elementary particles | 30 | 433 | 10 | 120 |
| 636 | Randomized Controlled Trials | 17 | 426 | 470 | 327 |
| 637 | Energy Consumption | 15 | 423 | 29 | 34 |
| 638 | Industrial Policy | 19 | 422 | 96 | 169 |
| 638 | Ethnology | 48 | 422 | 212 | 386 |
| 640 | Metals | 7 | 420 | 1827 | 1159 |
| 641 | Palliative Care | 12 | 419 | 448 | 316 |
| 642 | Plant Biotechnology | 9 | 416 | 452 | 378 |
| 643 | Androgens | 6 | 411 | 174 | 106 |
| 643 | Minerals | 14 | 411 | 225 | 212 |
| 643 | Money | 7 | 411 | 144 | 91 |
| 646 | Sleep Disorders | 16 | 403 | 909 | 932 |
| 646 | Sleep | 16 | 403 | 914 | 945 |
| 648 | Anxiety | 11 | 401 | 263 | 417 |
| 649 | Graph Theory | 18 | 399 | 249 | 138 |
| 649 | Psychosomatic Medicine | 8 | 399 | 583 | 509 |
| 649 | Paleobiogeography | 28 | 399 | 5 | 5 |
| 649 | DNA polymerases | 4 | 399 | 451 | 585 |
| 653 | Clinical Biochemistry | 19 | 398 | 529 | 663 |
| 654 | Agricultural Science | 4 | 396 | 194 | 194 |
| 655 | Neurotransmitters | 16 | 395 | 208 | 192 |
| 655 | vascular diseases | 12 | 395 | 377 | 537 |
| 655 | Food preferences | 14 | 395 | 113 | 161 |
| 658 | Forest Management | 8 | 394 | 682 | 573 |
| 659 | Conservation Biology | 9 | 393 | 724 | 696 |
| 659 | Strategic planning | 12 | 393 | 276 | 281 |
| 659 | Aquaculture | 11 | 393 | 876 | 723 |
| 662 | Hydrogeology | 7 | 389 | 454 | 221 |
| 663 | Waste management | 15 | 387 | 549 | 453 |
| 663 | Water Purification | 15 | 387 | 409 | 371 |
| 663 | NMR | 26 | 387 | 55 | 88 |
| 666 | Neural circuitry | 17 | 386 | 771 | 1013 |
| 666 | Nanostructures | 9 | 386 | 1488 | 1315 |
| 668 | Antibacterial agents | 10 | 385 | 346 | 347 |
| 669 | Quality of life | 12 | 383 | 738 | 858 |
| 670 | Bioethics | 43 | 381 | 115 | 254 |
| 670 | insurance | 17 | 381 | 98 | 91 |
| 672 | Quantum Computing | 2 | 379 | 243 | 69 |
| 672 | Anxiety Disorders | 9 | 379 | 301 | 435 |
| 674 | Group decision making | 20 | 377 | 81 | 165 |
| 674 | Emotions | 8 | 377 | 350 | 365 |
| 676 | eugenics | 14 | 376 | 209 | 210 |
| 677 | Biosensors | 12 | 375 | 625 | 984 |
| 678 | Engineering Mathematics | 25 | 373 | 834 | 810 |
| 678 | magnetic resonance | 25 | 373 | 58 | 93 |
| 680 | Glass | 11 | 371 | 654 | 635 |
| 681 | Quantum Chemistry | 18 | 370 | 295 | 250 |
| 681 | health services | 5 | 370 | 1025 | 449 |
| 681 | Australia | 16 | 370 | 842 | 724 |
| 681 | herbicides | 8 | 370 | 169 | 90 |
| 685 | Number Theory | 35 | 368 | 140 | 91 |
| 686 | Nutritional support | 8 | 365 | 68 | 88 |
| 687 | Microelectronics | 13 | 364 | 1043 | 1205 |
| 688 | Depression | 8 | 360 | 202 | 316 |
| 689 | Surface properties | 9 | 359 | 617 | 647 |
| 689 | Vision | 8 | 359 | 445 | 408 |
| 691 | Sustainable Engineering | 15 | 358 | 717 | 1001 |
| 691 | Heterocyclic compounds | 16 | 358 | 395 | 223 |
| 693 | General Surgery | 67 | 355 | 97 | 285 |
| 694 | Research Design | 7 | 354 | 964 | 704 |
| 695 | Sites | 13 | 353 | 226 | 334 |
| 696 | Algorithms | 21 | 351 | 130 | 203 |
| 697 | Public Choice | 16 | 350 | 81 | 130 |
| 698 | antibiotics | 11 | 349 | 186 | 168 |
| 699 | software | 6 | 348 | 703 | 474 |
| 700 | Teaching | 5 | 341 | 1598 | 701 |
| 701 | miniaturization | 10 | 340 | 1195 | 1438 |
| 702 | food handling | 11 | 339 | 383 | 487 |
| 702 | irrigation | 11 | 339 | 138 | 107 |
| 704 | Actuarial Science | 12 | 337 | 92 | 80 |
| 704 | Veterinary Pathology | 19 | 337 | 83 | 79 |
| 706 | bees | 12 | 336 | 146 | 163 |
| 707 | Ethics | 21 | 335 | 266 | 295 |
| 708 | Human-Computer Interaction | 4 | 334 | 1548 | 683 |
| 709 | Antibodies | 16 | 333 | 239 | 402 |
| 710 | data collection | 17 | 332 | 276 | 724 |
| 711 | Vaccines | 13 | 331 | 1072 | 1251 |
| 712 | Behavioral Genetics | 8 | 330 | 139 | 155 |
| 713 | Bioelectronics | 8 | 329 | 696 | 959 |
| 714 | Neurogenetics | 9 | 328 | 97 | 90 |
| 714 | Pharmacokinetics | 15 | 328 | 320 | 486 |
| 716 | Microeconomics | 23 | 326 | 53 | 168 |
| 717 | alcoholism | 11 | 325 | 924 | 983 |
| 718 | Philosophy | 90 | 322 | 250 | 410 |
| 719 | International security | 2 | 321 | 313 | 145 |
| 719 | conflict management | 2 | 321 | 390 | 120 |
| 721 | Parasites | 10 | 320 | 1027 | 849 |
| 722 | Industrial Organization | 15 | 317 | 55 | 127 |
| 723 | Neuroplasticity | 7 | 316 | 159 | 102 |
| 723 | neuronal plasticity | 7 | 316 | 116 | 88 |
| 725 | Ceramics | 9 | 315 | 1028 | 799 |
| 725 | pottery | 9 | 315 | 727 | 694 |
| 727 | Bioremediation | 6 | 314 | 540 | 370 |
| 728 | Database Management | 7 | 313 | 579 | 437 |
| 729 | Radiation Oncology | 11 | 312 | 160 | 169 |
| 729 | Forecasting | 4 | 312 | 509 | 234 |
| 731 | Fisheries | 4 | 308 | 1776 | 1023 |
| 732 | Biomass Energy | 11 | 305 | 1496 | 1919 |
| 732 | Magnetohydrodynamics | 3 | 305 | 341 | 164 |
| 734 | economic forecasting | 4 | 304 | 266 | 184 |
| 734 | anesthesia | 5 | 304 | 564 | 95 |
| 734 | Autonomous robots | 4 | 304 | 138 | 89 |
| 737 | Community Psychiatry | 7 | 303 | 760 | 653 |
| 737 | ovary | 6 | 303 | 107 | 42 |
| 737 | livestock | 21 | 303 | 159 | 155 |
| 740 | Mental Health | 21 | 301 | 592 | 846 |
| 740 | Cross-Cultural Studies | 4 | 301 | 638 | 233 |
| 742 | Measurement | 6 | 299 | 963 | 551 |
| 743 | protein | 12 | 298 | 710 | 851 |
| 744 | Wildlife conservation | 9 | 294 | 769 | 999 |
| 745 | polar regions | 13 | 292 | 294 | 330 |
| 746 | Biomechanics | 13 | 289 | 730 | 917 |
| 747 | Social Change | 12 | 288 | 390 | 752 |
| 747 | Europa | 17 | 288 | 138 | 225 |
| 749 | forest policy | 13 | 287 | 131 | 150 |
| 750 | Anthropology | 31 | 285 | 498 | 753 |
| 750 | complementary therapies | 15 | 285 | 874 | 1057 |
| 750 | Histocompatibility Testing | 7 | 285 | 433 | 232 |
| 753 | monoclonal antibodies | 20 | 282 | 17 | 49 |
| 754 | Developmental Immunology | 6 | 281 | 628 | 467 |
| 755 | Eastern Europe | 21 | 279 | 206 | 180 |
| 756 | Risk Management | 7 | 278 | 463 | 351 |
| 756 | Kidney diseases | 8 | 278 | 729 | 724 |
| 758 | Neuroendocrinology | 1 | 276 | 348 | 172 |
| 759 | Law | 34 | 275 | 379 | 309 |
| 760 | Freeze-Drying | 12 | 274 | 175 | 157 |
| 760 | Hypothermia | 12 | 274 | 175 | 157 |
| 760 | Gerontology | 26 | 274 | 693 | 1104 |
| 760 | Freeze Drying | 12 | 274 | 175 | 157 |
| 764 | Computer Science | 15 | 273 | 947 | 845 |
| 765 | Cartography | 41 | 271 | 40 | 86 |
| 765 | Credit | 3 | 271 | 103 | 46 |
| 767 | Alternative Medicine | 14 | 270 | 854 | 1089 |
| 767 | Semantic web | 12 | 270 | 30 | 61 |
| 769 | Animal | 20 | 269 | 16 | 37 |
| 770 | mosses | 10 | 265 | 56 | 40 |
| 770 | liverworts | 10 | 265 | 56 | 40 |
| 770 | lasers | 9 | 265 | 1279 | 817 |
| 773 | Magnetic Resonance Imaging | 15 | 263 | 213 | 287 |
| 773 | nuclear astrophysics | 11 | 263 | 231 | 327 |
| 775 | Environmental Law | 64 | 259 | 81 | 1171 |
| 775 | Radio wave propagation | 3 | 259 | 945 | 273 |
| 777 | Nuclear Chemistry | 15 | 256 | 531 | 489 |
| 777 | Animal husbandry | 16 | 256 | 111 | 124 |
| 779 | Cybernetics | 16 | 255 | 520 | 767 |
| 779 | Photochemistry | 15 | 255 | 830 | 1151 |
| 781 | nanoscience | 12 | 254 | 1786 | 2440 |
| 782 | Agricultural Economics | 13 | 252 | 19 | 27 |
| 783 | Economic Geography | 14 | 251 | 85 | 147 |
| 784 | Medical Imaging | 14 | 249 | 164 | 222 |
| 784 | economic conditions | 9 | 249 | 340 | 347 |
| 784 | Oligosaccharides | 10 | 249 | 76 | 108 |
| 787 | alcohol | 4 | 248 | 58 | 12 |
| 788 | Matroids | 7 | 247 | 130 | 93 |
| 788 | Eigenvalues | 52 | 247 | 5 | 14 |
| 790 | Radiochemistry | 15 | 246 | 462 | 434 |
| 790 | rehabilitation | 8 | 246 | 1696 | 1598 |
| 792 | Nephrology | 4 | 243 | 659 | 579 |
| 792 | Primates | 6 | 243 | 620 | 418 |
| 792 | Aquatic ecology | 10 | 243 | 572 | 594 |
| 795 | plant viruses | 7 | 242 | 114 | 101 |
| 796 | Chemical analysis | 5 | 241 | 1132 | 786 |
| 797 | Transgenic plants | 8 | 239 | 256 | 337 |
| 798 | Education | 25 | 238 | 1539 | 1924 |
| 798 | Infection control | 9 | 238 | 377 | 427 |
| 798 | marketing | 7 | 238 | 1413 | 1293 |
| 798 | disease vectors | 10 | 238 | 542 | 644 |
| 798 | Recycling | 6 | 238 | 376 | 664 |
| 803 | Melanoma | 6 | 237 | 128 | 148 |
| 803 | Ornithology | 12 | 237 | 548 | 502 |
| 805 | Photobiology | 11 | 236 | 695 | 870 |
| 805 | psychotherapy | 18 | 236 | 580 | 1016 |
| 807 | Otolaryngology | 1 | 235 | 1317 | 394 |
| 807 | Bipolar Disorder | 12 | 235 | 181 | 331 |
| 809 | Law and Economics | 19 | 233 | 37 | 69 |
| 809 | Small Business | 2 | 233 | 1016 | 746 |
| 809 | standardization | 2 | 233 | 110 | 18 |
| 812 | Control Theory | 15 | 231 | 819 | 886 |
| 813 | Periglacial processes | 8 | 230 | 62 | 98 |
| 813 | Permafrost | 8 | 230 | 62 | 98 |
| 813 | Frozen ground | 8 | 230 | 63 | 98 |
| 813 | Fossils | 21 | 230 | 3 | 3 |
| 817 | Japan | 16 | 229 | 975 | 1012 |
| 818 | Pesticides | 12 | 227 | 252 | 313 |
| 818 | Mitochondria | 5 | 227 | 245 | 183 |
| 820 | Random graphs | 8 | 225 | 96 | 72 |
| 821 | pharmaceutical industry | 10 | 224 | 269 | 250 |
| 822 | Criminal psychology | 7 | 220 | 545 | 468 |
| 822 | Probability | 21 | 220 | 139 | 381 |
| 824 | disease outbreaks | 5 | 219 | 504 | 467 |
| 824 | Epidemics | 5 | 219 | 479 | 465 |
| 826 | arthritis | 6 | 218 | 1187 | 1408 |
| 827 | Linguistics | 30 | 217 | 424 | 701 |
| 827 | Bifurcation Theory | 6 | 217 | 454 | 253 |
| 829 | adolescence | 3 | 216 | 1082 | 685 |
| 829 | Adolescent Psychology | 3 | 216 | 1024 | 631 |
| 829 | drug addiction | 6 | 216 | 1006 | 1026 |
| 832 | Electrical Engineering | 41 | 215 | 1094 | 1557 |
| 833 | Psychiatric Epidemiology | 6 | 214 | 388 | 469 |
| 834 | Emergency Medical Services | 5 | 213 | 755 | 390 |
| 834 | Production Management | 6 | 213 | 826 | 1042 |
| 834 | biocatalysis | 4 | 213 | 148 | 368 |
| 834 | Homogeneous catalysis | 4 | 213 | 148 | 368 |
| 834 | Heterogeneous catalysis | 4 | 213 | 148 | 368 |
| 839 | Visual Communication | 3 | 211 | 514 | 139 |
| 839 | Image enhancement | 3 | 211 | 349 | 129 |
| 841 | Intercultural Communication | 2 | 210 | 534 | 190 |
| 841 | Sports Medicine | 10 | 210 | 1810 | 1719 |
| 841 | Biological Systems | 9 | 210 | 331 | 392 |
| 841 | Women's health | 5 | 210 | 1252 | 885 |
| 845 | Wetland ecology | 9 | 209 | 189 | 250 |
| 846 | Harmonic Analysis | 3 | 208 | 150 | 82 |
| 846 | Birds | 12 | 208 | 702 | 679 |
| 848 | Political Psychology | 3 | 207 | 379 | 256 |
| 848 | Housing | 7 | 207 | 281 | 299 |
| 850 | Prognosis | 1 | 206 | 69 | 16 |
| 850 | viral genetics | 2 | 206 | 509 | 607 |
| 852 | Process Control | 5 | 205 | 695 | 860 |
| 852 | Computational Mathematics | 8 | 205 | 46 | 62 |
| 852 | Veterinary Immunology | 8 | 205 | 216 | 235 |
| 852 | cryosphere | 6 | 205 | 312 | 342 |
| 856 | Crystal growth | 3 | 204 | 1208 | 713 |
| 857 | bryophytes | 6 | 203 | 62 | 38 |
| 858 | Urban Policy | 12 | 202 | 282 | 565 |
| 858 | Hemostasis | 12 | 202 | 436 | 600 |
| 858 | Capital asset pricing model | 4 | 202 | 38 | 17 |
| 861 | Interferons | 9 | 201 | 105 | 166 |
| 861 | Cytokine | 9 | 201 | 171 | 416 |
| 863 | Social Choice Theory | 8 | 200 | 104 | 67 |
| 863 | Analytical Toxicology | 8 | 200 | 121 | 132 |
| 863 | Welfare Economics | 8 | 200 | 247 | 320 |
| 863 | vitamins | 3 | 200 | 140 | 103 |
| 867 | Developed countries | 4 | 199 | 149 | 143 |
| 868 | radiative transfer | 6 | 198 | 495 | 369 |
| 869 | Experimental Psychology | 2 | 196 | 788 | 421 |
| 869 | Middle East | 13 | 196 | 396 | 347 |
| 871 | Pediatric Endocrinology | 9 | 195 | 140 | 92 |
| 871 | Metabolic disorders in children | 9 | 195 | 105 | 70 |
| 873 | economic development projects | 5 | 194 | 110 | 81 |
| 874 | Hematopoietic stem cell transplantation | 7 | 193 | 261 | 413 |
| 875 | Tourism | 7 | 192 | 1124 | 1312 |
| 876 | Neonatology | 11 | 189 | 270 | 414 |
| 876 | Semiconductors | 8 | 189 | 1527 | 1281 |
| 878 | Development Economics | 9 | 187 | 191 | 299 |
| 878 | Stochastic Processes | 16 | 187 | 301 | 430 |
| 880 | Securities | 2 | 186 | 495 | 196 |
| 880 | Capital market | 2 | 186 | 554 | 269 |
| 882 | Environmental Economics | 6 | 185 | 249 | 237 |
| 882 | Mental Health Services | 7 | 185 | 1006 | 924 |
| 882 | violence | 5 | 185 | 818 | 722 |
| 885 | Knowledge | 22 | 184 | 103 | 189 |
| 885 | gene transfer | 6 | 184 | 153 | 179 |
| 885 | genetic transformation | 6 | 184 | 153 | 179 |
| 888 | Israel | 2 | 183 | 222 | 25 |
| 889 | industrial relations | 9 | 182 | 491 | 456 |
| 889 | geological modeling | 10 | 182 | 216 | 321 |
| 889 | Spain | 9 | 182 | 464 | 119 |
| 892 | Medical Technology | 13 | 179 | 881 | 1500 |
| 892 | preimplantation genetic diagnosis | 4 | 179 | 491 | 313 |
| 892 | embryo transfer | 4 | 179 | 515 | 329 |
| 895 | History | 74 | 178 | 147 | 200 |
| 895 | Molecular recognition | 15 | 178 | 23 | 122 |
| 897 | Sports | 10 | 177 | 1363 | 1385 |
| 897 | Zoonoses | 5 | 177 | 232 | 234 |
| 899 | Social History | 7 | 176 | 343 | 149 |
| 900 | Synchrotron Radiation | 6 | 175 | 282 | 224 |
| 900 | Organic farming | 7 | 175 | 15 | 19 |
| 900 | synthesis | 19 | 175 | 291 | 478 |
| 903 | Light | 6 | 174 | 858 | 1232 |
| 903 | human development | 7 | 174 | 536 | 669 |
| 905 | Simulation | 5 | 173 | 118 | 113 |
| 905 | theoretical models | 5 | 173 | 118 | 113 |
| 907 | Gastrointestinal diseases | 11 | 172 | 296 | 439 |
| 908 | Autoantibodies | 6 | 169 | 483 | 638 |
| 908 | Autoimmunity | 6 | 169 | 646 | 900 |
| 908 | Autoimmune diseases | 6 | 169 | 520 | 677 |
| 911 | Eating Disorders | 5 | 168 | 794 | 785 |
| 911 | Feeding and Eating Disorders | 5 | 168 | 763 | 759 |
| 911 | Product life cycle | 2 | 168 | 478 | 282 |
| 911 | green products | 2 | 168 | 431 | 278 |
| 915 | Wireless Communication Systems | 8 | 167 | 1461 | 1251 |
| 915 | Employee selection | 7 | 167 | 53 | 81 |
| 917 | Engineering Ethics | 4 | 166 | 165 | 110 |
| 917 | Professional ethics | 4 | 166 | 222 | 137 |
| 919 | Nonlinear Optics | 1 | 163 | 626 | 87 |
| 919 | DNA methylation | 3 | 163 | 340 | 322 |
| 919 | Sedimentary rocks | 6 | 163 | 444 | 518 |
| 922 | Economic Theory | 12 | 162 | 20 | 58 |
| 922 | Mobile Computing | 6 | 162 | 845 | 612 |
| 922 | primary prevention | 1 | 162 | 989 | 326 |
| 922 | health planning | 9 | 162 | 1422 | 1603 |
| 922 | freshwater biology | 13 | 162 | 416 | 763 |
| 927 | Political Sociology | 4 | 160 | 398 | 303 |
| 927 | Geopolitics | 3 | 160 | 300 | 102 |
| 927 | Animal welfare | 2 | 160 | 518 | 238 |
| 930 | Combinatorial chemistry | 5 | 158 | 772 | 924 |
| 930 | Technology Assessment | 4 | 158 | 275 | 333 |
| 930 | Acarology | 4 | 158 | 274 | 162 |
| 930 | Mites | 4 | 158 | 432 | 196 |
| 930 | Ticks | 4 | 158 | 304 | 163 |
| 930 | Acari | 4 | 158 | 266 | 162 |
| 936 | Wildlife management | 8 | 156 | 400 | 378 |
| 936 | Flood control | 5 | 156 | 175 | 101 |
| 938 | Nanoparticles | 3 | 155 | 2233 | 1775 |
| 938 | Aggression | 3 | 155 | 514 | 447 |
| 940 | Urban Planning | 28 | 154 | 38 | 322 |
| 940 | Invertebrates | 6 | 154 | 461 | 470 |
| 940 | Capitalism | 7 | 154 | 62 | 79 |
| 940 | immigration | 3 | 154 | 217 | 163 |
| 940 | migration policy | 3 | 154 | 233 | 169 |
| 940 | Asylum seeker | 3 | 154 | 189 | 163 |
| 946 | Ecosystem management | 4 | 153 | 684 | 633 |
| 946 | Egypt | 3 | 153 | 552 | 375 |
| 948 | Comparative Psychology | 1 | 152 | 303 | 163 |
| 948 | Medical Physics | 8 | 152 | 1350 | 1513 |
| 948 | Sovereignty | 2 | 152 | 187 | 58 |
| 948 | calcification | 6 | 152 | 432 | 620 |
| 952 | Software Maintenance | 1 | 151 | 446 | 64 |
| 952 | Systems Analysis | 9 | 151 | 634 | 748 |
| 952 | blood transfusion | 5 | 151 | 798 | 664 |
| 952 | Hospitals | 5 | 151 | 673 | 593 |
| 956 | Systems Theory | 10 | 148 | 217 | 190 |
| 956 | DNS | 6 | 148 | 348 | 439 |
| 956 | older people | 18 | 148 | 717 | 1070 |
| 956 | Detergents | 18 | 148 | 3 | 9 |
| 956 | DNA | 7 | 148 | 340 | 442 |
| 961 | Planetary Science | 12 | 147 | 282 | 380 |
| 961 | Combinatorial optimization | 5 | 147 | 377 | 154 |
| 961 | biomedicine | 6 | 147 | 649 | 742 |
| 964 | Evolutionary Genetics | 6 | 145 | 466 | 593 |
| 964 | Molecular Epidemiology | 6 | 145 | 466 | 593 |
| 964 | Cell survival | 2 | 145 | 336 | 209 |
| 964 | molecular chaperones | 2 | 145 | 393 | 209 |
| 968 | Demography | 9 | 144 | 386 | 667 |
| 968 | Geochemical Modeling | 8 | 144 | 172 | 285 |
| 968 | correctional psychology | 2 | 144 | 306 | 219 |
| 968 | Physical fitness | 3 | 144 | 1282 | 961 |
| 968 | Landslides | 3 | 144 | 261 | 280 |
| 973 | Fluorescence spectroscopy | 3 | 143 | 326 | 189 |
| 973 | labor policy | 7 | 143 | 7 | 2 |
| 975 | Cell cycle | 3 | 141 | 387 | 258 |
| 975 | cell proliferation | 3 | 141 | 429 | 280 |
| 977 | Pest control | 6 | 140 | 85 | 60 |
| 978 | Information Systems | 8 | 139 | 944 | 1262 |
| 978 | Animal Physiology | 7 | 139 | 95 | 172 |
| 978 | Health Education | 5 | 139 | 1872 | 1686 |
| 978 | Natural selection | 7 | 139 | 95 | 172 |
| 978 | genetic selection | 7 | 139 | 95 | 172 |
| 983 | Microbial Genetics | 6 | 138 | 237 | 357 |
| 983 | Ceramic materials | 5 | 138 | 1173 | 1105 |
| 983 | phytopathogenic bacteria | 6 | 138 | 178 | 329 |
| 983 | air | 3 | 138 | 203 | 235 |
| 987 | Palynology | 11 | 136 | 74 | 131 |
| 987 | cardiac catheterization | 10 | 136 | 571 | 699 |
| 989 | Immunopharmacology | 4 | 135 | 1082 | 1039 |
| 989 | Discrete geometry | 12 | 135 | 83 | 140 |
| 989 | Composite Materials | 4 | 135 | 2758 | 2782 |
| 992 | Macroeconomics | 9 | 134 | 164 | 254 |
| 992 | Glaciology | 4 | 134 | 205 | 195 |
| 992 | Sedimentology | 4 | 134 | 611 | 595 |
| 992 | glaciers | 4 | 134 | 193 | 192 |
| 992 | Spine | 4 | 134 | 803 | 910 |
| 997 | population geography | 4 | 133 | 346 | 293 |
| 998 | Wetland conservation | 4 | 132 | 270 | 256 |
| 998 | Soviet Union | 9 | 132 | 365 | 234 |
| 998 | Wetlands | 4 | 132 | 278 | 257 |