| 2 | Science | 1,936 | 174.0K | 172 | 179 |
| 6 | Natural history | 365 | 89.3K | 172 | 180 |
| 9 | Molecular Biology | 997 | 65.9K | 271 | 247 |
| 10 | Research | 1,479 | 62.1K | 143 | 128 |
| 16 | Australia | 2,233 | 42.5K | 8 | 8 |
| 17 | soil microbiology | 683 | 42.3K | 5 | 6 |
| 19 | Astrophysics | 639 | 40.4K | 281 | 310 |
| 20 | Environment | 589 | 35.9K | 100 | 137 |
| 22 | Plant diseases | 753 | 34.5K | 10 | 9 |
| 23 | Cell Biology | 484 | 34.1K | 193 | 254 |
| 25 | Plant physiology | 384 | 32.2K | 26 | 17 |
| 28 | Spectrum analysis | 462 | 29.2K | 248 | 242 |
| 29 | Plants | 306 | 28.7K | 40 | 26 |
| 30 | Plant cells | 291 | 28.6K | 24 | 41 |
| 31 | Sports Medicine | 651 | 28.3K | 13 | 11 |
| 32 | Pollution | 433 | 27.6K | 202 | 187 |
| 34 | Ore deposits | 433 | 25.5K | 7 | 4 |
| 37 | plant molecular biology | 214 | 23.9K | 52 | 39 |
| 40 | Earth Sciences | 463 | 22.2K | 38 | 57 |
| 41 | Materials | 435 | 22.2K | 443 | 368 |
| 42 | biological evolution | 218 | 21.6K | 86 | 68 |
| 43 | Medical genetics | 301 | 21.0K | 171 | 151 |
| 44 | Evolution | 249 | 20.3K | 58 | 48 |
| 45 | Mineralogy | 320 | 18.6K | 17 | 11 |
| 48 | Mental Disorders | 438 | 17.9K | 83 | 130 |
| 50 | Engineering Geology | 315 | 17.1K | 16 | 15 |
| 52 | Geochemistry | 317 | 16.4K | 85 | 81 |
| 53 | Soil biology | 225 | 16.3K | 14 | 17 |
| 55 | Geophysics | 432 | 15.8K | 277 | 288 |
| 56 | Metabolism | 332 | 15.8K | 144 | 188 |
| 58 | Biodiversity conservation | 215 | 14.9K | 37 | 72 |
| 59 | management | 208 | 14.9K | 197 | 178 |
| 60 | Diabetes | 211 | 14.8K | 132 | 123 |
| 61 | Psychophysiology | 325 | 14.6K | 155 | 172 |
| 62 | marketing | 139 | 14.5K | 79 | 60 |
| 63 | Environmental Health | 368 | 14.4K | 220 | 302 |
| 64 | Sports | 374 | 14.4K | 22 | 17 |
| 65 | Diet | 201 | 14.4K | 104 | 70 |
| 67 | environmental pollution | 284 | 14.1K | 184 | 178 |
| 68 | Behavior | 248 | 14.1K | 175 | 154 |
| 70 | Diabetes mellitus | 177 | 14.0K | 141 | 125 |
| 72 | plant communities | 212 | 13.8K | 13 | 12 |
| 73 | Quantum Gravity | 193 | 13.5K | 328 | 179 |
| 74 | Plant Ecology | 217 | 13.1K | 30 | 27 |
| 75 | Soil Science | 296 | 12.9K | 44 | 40 |
| 76 | Ocean Engineering | 351 | 12.5K | 24 | 18 |
| 77 | Cancer | 252 | 12.4K | 333 | 350 |
| 78 | Hypertension | 137 | 12.4K | 155 | 121 |
| 79 | Virology | 177 | 12.2K | 345 | 469 |
| 82 | Metabolic diseases | 194 | 11.1K | 184 | 230 |
| 83 | human behavior | 169 | 11.1K | 137 | 137 |
| 84 | Animal Behavior | 292 | 11.1K | 65 | 104 |
| 85 | Petrology | 160 | 10.4K | 41 | 29 |
| 86 | Critical Care Medicine | 130 | 10.4K | 125 | 112 |
| 87 | Climate change | 96 | 10.4K | 57 | 88 |
| 88 | Critical Care | 111 | 10.3K | 147 | 116 |
| 89 | Eutrophication | 94 | 10.2K | 57 | 92 |
| 90 | Water | 192 | 9.6K | 110 | 159 |
| 91 | Biodiversity | 199 | 9.6K | 43 | 71 |
| 92 | Ethology | 239 | 9.6K | 49 | 89 |
| 93 | Environmental Policy | 210 | 9.6K | 90 | 166 |
| 94 | Agriculture | 208 | 9.5K | 85 | 58 |
| 96 | United States | 249 | 9.4K | 378 | 315 |
| 97 | Neurophysiology | 187 | 9.4K | 288 | 355 |
| 98 | transport vesicles | 1 | 9.3K | 573 | 222 |
| 99 | Metallurgy | 146 | 9.3K | 239 | 134 |
| 101 | Immunity | 65 | 9.0K | 395 | 324 |
| 102 | Medical Microbiology | 150 | 8.9K | 160 | 161 |
| 103 | Metals | 120 | 8.9K | 260 | 129 |
| 104 | Nuclear Physics | 304 | 8.8K | 677 | 667 |
| 105 | Cardiovascular system | 72 | 8.8K | 300 | 201 |
| 106 | psychotherapy | 105 | 8.7K | 104 | 64 |
| 107 | Genomics | 208 | 8.3K | 157 | 172 |
| 109 | Biomechanics | 98 | 8.2K | 101 | 45 |
| 110 | preventive medicine | 60 | 7.9K | 185 | 58 |
| 111 | Mental illness | 159 | 7.8K | 129 | 168 |
| 114 | Building Materials | 122 | 7.5K | 91 | 67 |
| 115 | Brain | 193 | 7.5K | 234 | 274 |
| 117 | Sales management | 4 | 7.4K | 175 | 4 |
| 117 | selling | 4 | 7.4K | 175 | 4 |
| 119 | Aging | 209 | 7.4K | 197 | 198 |
| 120 | Nervous system | 128 | 7.4K | 235 | 236 |
| 123 | Reproduction | 210 | 7.3K | 108 | 118 |
| 124 | Water pollution | 183 | 7.2K | 115 | 174 |
| 126 | Clinical Pharmacology | 200 | 7.2K | 28 | 17 |
| 128 | Liver diseases | 88 | 7.1K | 196 | 196 |
| 129 | Crystallography | 125 | 7.0K | 87 | 44 |
| 131 | Respiration | 167 | 7.0K | 63 | 77 |
| 132 | finance | 241 | 7.0K | 38 | 76 |
| 133 | Biocompatible Materials | 130 | 7.0K | 532 | 525 |
| 134 | drug therapy | 180 | 6.9K | 157 | 146 |
| 135 | Molecular Genetics | 130 | 6.7K | 141 | 143 |
| 136 | Environmental monitoring | 160 | 6.6K | 234 | 273 |
| 137 | Child Development | 185 | 6.6K | 112 | 171 |
| 138 | Environmental Management | 168 | 6.6K | 84 | 138 |
| 142 | Technology | 158 | 6.4K | 356 | 224 |
| 143 | Wildlife conservation | 114 | 6.3K | 50 | 61 |
| 144 | Tourism | 84 | 6.3K | 127 | 81 |
| 146 | Meteorites | 105 | 6.2K | 119 | 122 |
| 148 | Microbial Ecology | 103 | 6.2K | 241 | 303 |
| 149 | Molecular ecology | 99 | 6.2K | 67 | 91 |
| 151 | Breeding | 145 | 6.1K | 64 | 56 |
| 152 | Asia | 299 | 6.1K | 45 | 36 |
| 153 | Economic History | 416 | 6.0K | 50 | 111 |
| 154 | Health Policy | 125 | 5.9K | 183 | 108 |
| 157 | Obesity | 182 | 5.9K | 113 | 188 |
| 158 | Natural resources | 136 | 5.8K | 5 | 9 |
| 158 | health services | 208 | 5.8K | 17 | 15 |
| 160 | Cognition | 175 | 5.7K | 96 | 152 |
| 161 | environmental protection | 140 | 5.7K | 194 | 201 |
| 162 | Business | 71 | 5.7K | 258 | 183 |
| 164 | Sleep Disorders | 127 | 5.7K | 126 | 103 |
| 165 | Schizophrenia | 129 | 5.6K | 71 | 80 |
| 166 | Autism | 102 | 5.6K | 24 | 23 |
| 169 | Sleep | 121 | 5.6K | 139 | 114 |
| 170 | Learning | 112 | 5.5K | 84 | 81 |
| 171 | Medical Anthropology | 60 | 5.5K | 171 | 102 |
| 172 | Population Genetics | 123 | 5.5K | 56 | 105 |
| 173 | Agronomy | 55 | 5.4K | 67 | 33 |
| 174 | personality | 107 | 5.4K | 115 | 147 |
| 175 | Physical fitness | 84 | 5.4K | 40 | 33 |
| 176 | Allergy | 86 | 5.3K | 122 | 218 |
| 177 | pain | 39 | 5.3K | 318 | 148 |
| 179 | Biochemical Engineering | 78 | 5.2K | 506 | 583 |
| 180 | Solid State Physics | 173 | 5.1K | 682 | 661 |
| 181 | Hemodynamics | 46 | 5.1K | 86 | 36 |
| 182 | nucleic acids | 48 | 5.1K | 426 | 359 |
| 183 | Plant genetic engineering | 90 | 5.1K | 47 | 43 |
| 184 | Social Psychology | 96 | 5.0K | 284 | 255 |
| 185 | water supply | 100 | 5.0K | 67 | 82 |
| 188 | genome | 55 | 5.0K | 241 | 275 |
| 189 | Health promotion | 66 | 5.0K | 206 | 103 |
| 190 | Statistical physics | 202 | 5.0K | 456 | 494 |
| 191 | Restoration Ecology | 98 | 4.9K | 6 | 5 |
| 192 | Clinical Chemistry | 118 | 4.9K | 321 | 291 |
| 193 | Condensed Matter | 180 | 4.9K | 629 | 668 |
| 195 | Renewable Energy Sources | 61 | 4.8K | 313 | 330 |
| 197 | Vision | 122 | 4.8K | 17 | 47 |
| 198 | Immune system | 26 | 4.8K | 312 | 241 |
| 199 | Agricultural Ecology | 88 | 4.8K | 47 | 59 |
| 200 | Fracture mechanics | 112 | 4.8K | 84 | 49 |
| 201 | drugs | 108 | 4.8K | 162 | 92 |
| 202 | Child psychology | 100 | 4.8K | 178 | 206 |
| 204 | Earthquake Engineering | 87 | 4.7K | 141 | 83 |
| 205 | Perception | 127 | 4.7K | 188 | 178 |
| 206 | Fisheries | 135 | 4.6K | 111 | 97 |
| 207 | Cytogenetics | 71 | 4.6K | 216 | 258 |
| 209 | gene mapping | 98 | 4.6K | 169 | 244 |
| 210 | Pharmaceutical Chemistry | 93 | 4.6K | 689 | 547 |
| 210 | Memory | 87 | 4.6K | 278 | 196 |
| 212 | Cognitive Science | 68 | 4.5K | 123 | 119 |
| 213 | ecosystem | 67 | 4.5K | 109 | 99 |
| 214 | China | 155 | 4.4K | 191 | 128 |
| 216 | Child | 158 | 4.3K | 185 | 181 |
| 217 | Computational Biology | 64 | 4.3K | 449 | 382 |
| 218 | Composite Materials | 90 | 4.3K | 384 | 335 |
| 219 | Molecular evolution | 85 | 4.2K | 134 | 175 |
| 220 | Plant Biotechnology | 54 | 4.2K | 59 | 19 |
| 221 | Soil ecology | 89 | 4.2K | 24 | 27 |
| 222 | Animal ecology | 118 | 4.1K | 61 | 94 |
| 225 | Geriatric Psychiatry | 90 | 4.1K | 52 | 38 |
| 226 | coal | 88 | 4.1K | 115 | 101 |
| 227 | Vaccines | 154 | 4.0K | 92 | 138 |
| 230 | alcoholism | 64 | 4.0K | 259 | 142 |
| 231 | Diagnostic microbiology | 51 | 3.9K | 212 | 216 |
| 232 | Psychometrics | 31 | 3.9K | 81 | 47 |
| 233 | Soil | 54 | 3.8K | 4 | 5 |
| 235 | Biogeochemistry | 85 | 3.8K | 95 | 166 |
| 236 | drug addiction | 52 | 3.8K | 216 | 117 |
| 238 | Entomology | 149 | 3.8K | 187 | 155 |
| 239 | Atmospheric Physics | 23 | 3.8K | 690 | 313 |
| 241 | Europe | 133 | 3.8K | 312 | 239 |
| 242 | Colloids | 135 | 3.8K | 490 | 638 |
| 245 | rehabilitation | 141 | 3.7K | 143 | 215 |
| 246 | health services accessibility | 66 | 3.7K | 72 | 23 |
| 247 | cell physiology | 85 | 3.6K | 168 | 256 |
| 248 | Energy Policy | 81 | 3.6K | 267 | 321 |
| 249 | Public Policy | 68 | 3.6K | 207 | 109 |
| 250 | Cognitive neuroscience | 43 | 3.5K | 194 | 189 |
| 250 | International Finance | 115 | 3.5K | 48 | 60 |
| 252 | Chromosome mapping | 86 | 3.5K | 150 | 208 |
| 254 | gene therapy | 57 | 3.5K | 132 | 110 |
| 255 | Diagnostic Imaging | 95 | 3.5K | 199 | 187 |
| 257 | Computer Vision | 37 | 3.4K | 198 | 143 |
| 258 | United Kingdom | 67 | 3.4K | 244 | 216 |
| 259 | Lipids | 94 | 3.4K | 58 | 124 |
| 261 | Geodynamics | 61 | 3.4K | 94 | 75 |
| 262 | Adolescent | 95 | 3.4K | 240 | 184 |
| 263 | Genetic therapy | 60 | 3.3K | 155 | 129 |
| 264 | medical education | 141 | 3.3K | 149 | 174 |
| 265 | Proteome | 52 | 3.3K | 138 | 122 |
| 266 | Food | 91 | 3.3K | 363 | 365 |
| 267 | Atmospheric Chemistry | 12 | 3.3K | 594 | 252 |
| 268 | Developmental Disabilities | 97 | 3.3K | 74 | 121 |
| 269 | Econometrics | 84 | 3.3K | 115 | 150 |
| 270 | Pediatric Neurology | 27 | 3.3K | 350 | 257 |
| 271 | Signal Transduction | 34 | 3.3K | 291 | 159 |
| 272 | Adolescent Medicine | 33 | 3.2K | 115 | 88 |
| 273 | Photonics | 30 | 3.2K | 546 | 296 |
| 274 | Organizational Behavior | 25 | 3.2K | 117 | 58 |
| 276 | Exercise | 136 | 3.2K | 25 | 48 |
| 277 | Hormones | 62 | 3.1K | 152 | 123 |
| 278 | Experimental Psychology | 52 | 3.1K | 41 | 42 |
| 279 | fertility | 61 | 3.1K | 213 | 161 |
| 280 | Mycology | 77 | 3.1K | 174 | 166 |
| 281 | Psychopharmacology | 71 | 3.1K | 265 | 307 |
| 282 | Developing countries | 121 | 3.1K | 126 | 186 |
| 284 | Electronics | 154 | 3.1K | 402 | 362 |
| 285 | Social behavior | 71 | 3.0K | 101 | 127 |
| 286 | Health Education | 121 | 3.0K | 159 | 180 |
| 287 | Nonlinear Dynamics | 135 | 3.0K | 228 | 310 |
| 288 | Cell differentiation | 60 | 2.9K | 346 | 496 |
| 289 | Light | 22 | 2.9K | 283 | 207 |
| 290 | Health Services Research | 101 | 2.9K | 147 | 164 |
| 291 | Bioinformatics | 43 | 2.9K | 452 | 408 |
| 293 | free radicals | 61 | 2.9K | 194 | 226 |
| 294 | Fungi | 72 | 2.9K | 85 | 123 |
| 295 | Engineering Mathematics | 107 | 2.9K | 168 | 117 |
| 296 | Developmental Biology | 57 | 2.9K | 484 | 564 |
| 297 | Cardiovascular diseases | 100 | 2.9K | 149 | 148 |
| 298 | Host-parasite interactions | 29 | 2.9K | 353 | 324 |
| 299 | Community Psychology | 7 | 2.9K | 381 | 58 |
| 300 | Paleogeography | 59 | 2.8K | 76 | 69 |
| 301 | proteins | 60 | 2.8K | 361 | 280 |
| 304 | Genetic engineering | 101 | 2.8K | 142 | 325 |
| 305 | energy resources | 48 | 2.7K | 170 | 222 |
| 306 | soil management | 63 | 2.7K | 25 | 32 |
| 307 | Electrochemistry | 80 | 2.7K | 905 | 682 |
| 307 | clay | 61 | 2.7K | 32 | 36 |
| 307 | eye | 18 | 2.7K | 32 | 37 |
| 311 | Transplantation | 53 | 2.7K | 272 | 251 |
| 312 | Parasitic Diseases | 63 | 2.7K | 290 | 270 |
| 313 | Infertility | 45 | 2.7K | 268 | 185 |
| 314 | tillage | 49 | 2.6K | 23 | 29 |
| 315 | sanitation | 50 | 2.6K | 323 | 435 |
| 316 | Conservation Biology | 97 | 2.6K | 50 | 152 |
| 317 | environmental exposure | 95 | 2.6K | 96 | 152 |
| 318 | Molecular structure | 60 | 2.6K | 357 | 374 |
| 319 | Eating Disorders | 100 | 2.6K | 51 | 85 |
| 320 | Sustainable agriculture | 46 | 2.5K | 54 | 27 |
| 321 | impact | 23 | 2.5K | 59 | 20 |
| 322 | Solid State Chemistry | 86 | 2.5K | 328 | 261 |
| 323 | Gerontology | 137 | 2.5K | 173 | 217 |
| 324 | Feeding and Eating Disorders | 96 | 2.5K | 48 | 82 |
| 325 | economic policy | 115 | 2.5K | 161 | 157 |
| 326 | drug development | 22 | 2.5K | 264 | 225 |
| 327 | Plant Genetics | 40 | 2.5K | 92 | 97 |
| 329 | behavior therapy | 58 | 2.4K | 127 | 112 |
| 330 | Hydraulic Engineering | 51 | 2.4K | 114 | 72 |
| 331 | Image Processing | 65 | 2.4K | 226 | 243 |
| 332 | Steroids | 59 | 2.4K | 84 | 68 |
| 333 | adolescence | 38 | 2.4K | 153 | 106 |
| 333 | Medical innovations | 19 | 2.4K | 325 | 246 |
| 335 | Business Ethics | 22 | 2.4K | 216 | 108 |
| 336 | Chemotherapy | 78 | 2.4K | 139 | 135 |
| 337 | commerce | 26 | 2.4K | 374 | 203 |
| 338 | Animal breeding | 104 | 2.4K | 46 | 54 |
| 340 | Radiation effects | 45 | 2.3K | 19 | 21 |
| 341 | Soil fertility | 47 | 2.3K | 15 | 20 |
| 342 | Primary health care | 95 | 2.3K | 147 | 162 |
| 343 | Bone diseases | 13 | 2.3K | 153 | 59 |
| 344 | energy conservation | 37 | 2.3K | 343 | 300 |
| 346 | freshwater biology | 36 | 2.3K | 136 | 75 |
| 347 | viruses | 41 | 2.3K | 435 | 453 |
| 348 | Attention | 59 | 2.3K | 350 | 294 |
| 349 | Nanostructured Materials | 64 | 2.3K | 760 | 755 |
| 350 | Hydrodynamics | 43 | 2.2K | 57 | 47 |
| 351 | Combinatorial analysis | 179 | 2.2K | 22 | 34 |
| 352 | behavioral medicine | 48 | 2.2K | 199 | 223 |
| 353 | Bacteriology | 40 | 2.2K | 526 | 514 |
| 354 | Agricultural systems | 53 | 2.2K | 16 | 17 |
| 356 | Immunogenetics | 88 | 2.2K | 21 | 54 |
| 358 | Forest Ecology | 66 | 2.2K | 112 | 151 |
| 359 | Medical Oncology | 68 | 2.2K | 473 | 442 |
| 360 | Health | 72 | 2.1K | 321 | 327 |
| 361 | soil conservation | 62 | 2.1K | 31 | 24 |
| 362 | Mental Health Services | 142 | 2.1K | 55 | 98 |
| 363 | Psycholinguistics | 46 | 2.1K | 160 | 160 |
| 363 | Plant breeding | 67 | 2.1K | 73 | 62 |
| 365 | Visual Perception | 50 | 2.1K | 395 | 304 |
| 366 | Planets | 59 | 2.1K | 451 | 541 |
| 367 | arthritis | 35 | 2.1K | 383 | 378 |
| 368 | industrial relations | 111 | 2.1K | 25 | 33 |
| 369 | Agricultural Chemistry | 64 | 2.1K | 403 | 392 |
| 370 | Quality of life | 58 | 2.1K | 132 | 182 |
| 371 | Substance Abuse | 98 | 2.1K | 156 | 200 |
| 372 | data collection | 32 | 2.1K | 108 | 135 |
| 373 | Thrombosis | 35 | 2.0K | 277 | 196 |
| 375 | concrete | 47 | 2.0K | 145 | 191 |
| 378 | Transport | 63 | 2.0K | 25 | 49 |
| 379 | Marine Pollution | 59 | 2.0K | 84 | 144 |
| 380 | Parasitology | 78 | 2.0K | 341 | 366 |
| 381 | nanoscience | 57 | 2.0K | 635 | 839 |
| 382 | Public Administration | 72 | 2.0K | 157 | 138 |
| 383 | Economic Development | 54 | 2.0K | 229 | 299 |
| 385 | Youth | 22 | 1.9K | 166 | 72 |
| 386 | agricultural productivity | 79 | 1.9K | 1 | 1 |
| 387 | Oncogenes | 35 | 1.9K | 342 | 447 |
| 388 | homosexuality | 6 | 1.9K | 255 | 19 |
| 389 | Algebra | 136 | 1.9K | 55 | 44 |
| 390 | Continental shelf | 47 | 1.9K | 36 | 45 |
| 392 | Sea | 62 | 1.9K | 24 | 39 |
| 392 | Fishery resources | 62 | 1.9K | 27 | 41 |
| 395 | vascular diseases | 24 | 1.8K | 209 | 151 |
| 396 | Groundwater | 57 | 1.8K | 62 | 49 |
| 396 | Muscles | 35 | 1.8K | 154 | 115 |
| 398 | Phylogeny | 53 | 1.8K | 80 | 134 |
| 399 | clay minerals | 39 | 1.8K | 18 | 20 |
| 400 | Hearing | 78 | 1.8K | 65 | 76 |
| 402 | Carcinogenesis | 48 | 1.8K | 123 | 159 |
| 403 | Biomass Energy | 34 | 1.8K | 670 | 593 |
| 404 | city planning | 70 | 1.8K | 162 | 179 |
| 406 | Forest Management | 58 | 1.8K | 129 | 173 |
| 407 | Therapeutics | 56 | 1.8K | 342 | 463 |
| 408 | Leadership | 10 | 1.8K | 177 | 81 |
| 410 | Entrepreneurship | 16 | 1.8K | 327 | 244 |
| 411 | Ecosystem management | 32 | 1.8K | 92 | 75 |
| 412 | Stem cells | 66 | 1.7K | 236 | 398 |
| 413 | cytokines | 37 | 1.7K | 206 | 144 |
| 414 | Developmental Psychology | 39 | 1.7K | 215 | 226 |
| 415 | Histochemistry | 31 | 1.7K | 225 | 93 |
| 416 | older people | 44 | 1.7K | 361 | 148 |
| 417 | Land use | 73 | 1.7K | 47 | 98 |
| 418 | Signal Processing | 84 | 1.7K | 170 | 219 |
| 419 | risk factors | 58 | 1.7K | 49 | 84 |
| 420 | Emotions | 42 | 1.7K | 63 | 99 |
| 422 | Environmental Law | 29 | 1.7K | 231 | 277 |
| 423 | Optical materials | 45 | 1.6K | 684 | 755 |
| 424 | Personality Assessment | 34 | 1.6K | 89 | 83 |
| 425 | economic conditions | 121 | 1.6K | 17 | 53 |
| 426 | Investment analysis | 27 | 1.6K | 73 | 40 |
| 427 | Bioinorganic chemistry | 55 | 1.6K | 176 | 157 |
| 428 | Polymers | 50 | 1.6K | 1507 | 1312 |
| 429 | infection | 38 | 1.6K | 398 | 397 |
| 430 | Radio | 35 | 1.6K | 123 | 45 |
| 431 | Neurosurgery | 33 | 1.6K | 285 | 214 |
| 432 | Capital market | 51 | 1.6K | 13 | 16 |
| 433 | Numerical Analysis | 64 | 1.6K | 338 | 292 |
| 434 | Parenteral nutrition | 28 | 1.6K | 288 | 276 |
| 435 | Membranes | 41 | 1.6K | 424 | 513 |
| 436 | Neuromuscular diseases | 29 | 1.6K | 143 | 94 |
| 437 | herbicides | 36 | 1.6K | 30 | 19 |
| 438 | Marine Meteorology | 21 | 1.5K | 141 | 96 |
| 439 | Coastal zone management | 32 | 1.5K | 59 | 27 |
| 440 | Medical Physics | 55 | 1.5K | 399 | 398 |
| 441 | Growth | 21 | 1.5K | 518 | 516 |
| 443 | Solar Energy | 30 | 1.5K | 333 | 273 |
| 444 | mycoses | 12 | 1.5K | 393 | 251 |
| 444 | Organometallic compounds | 55 | 1.5K | 140 | 184 |
| 446 | Cosmochemistry | 44 | 1.5K | 92 | 133 |
| 447 | Marine resources | 32 | 1.5K | 65 | 29 |
| 448 | Nanoparticles | 38 | 1.5K | 381 | 385 |
| 449 | Pregnancy | 48 | 1.5K | 86 | 74 |
| 450 | Crystal growth | 39 | 1.5K | 120 | 96 |
| 451 | Analytical Biochemistry | 43 | 1.5K | 270 | 285 |
| 452 | Antigens | 55 | 1.5K | 75 | 132 |
| 453 | Bioorganic chemistry | 59 | 1.4K | 586 | 798 |
| 453 | disabilities | 62 | 1.4K | 49 | 65 |
| 455 | Organometallic chemistry | 71 | 1.4K | 159 | 155 |
| 456 | Environmental Chemistry | 28 | 1.4K | 578 | 672 |
| 457 | Demography | 19 | 1.4K | 208 | 101 |
| 458 | Clinical Immunology | 44 | 1.4K | 237 | 222 |
| 460 | Virulence | 28 | 1.4K | 343 | 494 |
| 463 | Information Science | 49 | 1.4K | 388 | 472 |
| 465 | biological factors | 33 | 1.4K | 417 | 333 |
| 466 | Infections | 25 | 1.4K | 342 | 355 |
| 467 | breastfeeding | 49 | 1.4K | 24 | 24 |
| 468 | Dynamics | 97 | 1.4K | 90 | 147 |
| 469 | Antarctica | 40 | 1.4K | 75 | 35 |
| 470 | occupational diseases | 67 | 1.4K | 76 | 141 |
| 471 | Immunochemistry | 18 | 1.4K | 337 | 86 |
| 473 | Environmental pollutants | 30 | 1.4K | 607 | 497 |
| 476 | Parasites | 48 | 1.4K | 226 | 243 |
| 477 | Bones | 70 | 1.4K | 76 | 222 |
| 478 | Physical Chemistry | 19 | 1.4K | 1069 | 662 |
| 479 | Thorax | 23 | 1.4K | 146 | 94 |
| 480 | Coral reef biology | 37 | 1.4K | 9 | 17 |
| 481 | psychopathology | 16 | 1.4K | 106 | 84 |
| 482 | Anxiety Disorders | 17 | 1.4K | 183 | 152 |
| 482 | Anxiety | 17 | 1.4K | 183 | 149 |
| 484 | Environmental Geology | 47 | 1.4K | 148 | 195 |
| 485 | Manufacturing Processes | 33 | 1.4K | 650 | 438 |
| 485 | Environmental Psychology | 14 | 1.4K | 72 | 60 |
| 487 | Cytokine | 24 | 1.4K | 33 | 51 |
| 488 | Speech Disorders | 53 | 1.4K | 191 | 214 |
| 489 | Latin America | 44 | 1.4K | 304 | 51 |
| 489 | Primates | 50 | 1.4K | 95 | 113 |
| 491 | soil pollution | 22 | 1.4K | 61 | 18 |
| 491 | Enteral nutrition | 20 | 1.4K | 281 | 230 |
| 493 | Mental Health | 75 | 1.3K | 164 | 228 |
| 494 | pollutants | 27 | 1.3K | 522 | 441 |
| 495 | Small Business | 15 | 1.3K | 252 | 254 |
| 496 | Regional Planning | 57 | 1.3K | 221 | 265 |
| 497 | educational planning | 19 | 1.3K | 65 | 31 |
| 498 | Growth factors | 14 | 1.3K | 41 | 46 |
| 499 | natural gas | 23 | 1.3K | 100 | 46 |
| 501 | Chronic diseases | 35 | 1.3K | 150 | 294 |
| 502 | feeding behavior | 48 | 1.3K | 88 | 131 |
| 503 | Adolescent Psychology | 31 | 1.3K | 177 | 165 |
| 504 | Insects | 38 | 1.3K | 305 | 242 |
| 505 | Sports Psychology | 15 | 1.3K | 18 | 3 |
| 506 | Globalization | 21 | 1.3K | 81 | 35 |
| 508 | Neonatology | 33 | 1.3K | 72 | 59 |
| 509 | mammals | 40 | 1.3K | 166 | 119 |
| 510 | Biometrics | 28 | 1.3K | 328 | 229 |
| 511 | Emergency Medicine | 36 | 1.2K | 446 | 287 |
| 512 | Comparative Physiology | 46 | 1.2K | 104 | 137 |
| 513 | Microorganisms | 17 | 1.2K | 471 | 425 |
| 514 | Histocompatibility Testing | 47 | 1.2K | 55 | 31 |
| 515 | vibration | 28 | 1.2K | 295 | 196 |
| 516 | System analysis | 75 | 1.2K | 274 | 427 |
| 517 | Cognitive Therapy | 24 | 1.2K | 145 | 74 |
| 518 | Antioxidants | 21 | 1.2K | 156 | 226 |
| 519 | Travel | 91 | 1.2K | 35 | 78 |
| 520 | Computer-Aided Design | 25 | 1.2K | 263 | 167 |
| 521 | enzymes | 21 | 1.2K | 533 | 352 |
| 522 | Communication | 42 | 1.2K | 439 | 377 |
| 523 | Organic Chemistry | 44 | 1.2K | 1046 | 1065 |
| 524 | Aquatic ecology | 43 | 1.2K | 101 | 110 |
| 525 | carcinogens | 29 | 1.2K | 223 | 261 |
| 526 | Educational Psychology | 66 | 1.2K | 190 | 362 |
| 527 | histological techniques | 18 | 1.2K | 191 | 147 |
| 528 | Intellectual disability | 22 | 1.2K | 268 | 160 |
| 529 | Neural circuitry | 46 | 1.2K | 281 | 438 |
| 531 | violence | 23 | 1.1K | 271 | 185 |
| 532 | Bacterial infections | 5 | 1.1K | 865 | 349 |
| 533 | Plant hormones | 17 | 1.1K | 58 | 22 |
| 534 | Inflammation | 19 | 1.1K | 409 | 276 |
| 535 | Ultrasonics | 39 | 1.1K | 119 | 174 |
| 536 | Research Design | 42 | 1.1K | 212 | 297 |
| 537 | miniaturization | 23 | 1.1K | 669 | 763 |
| 538 | innovation | 6 | 1.1K | 438 | 207 |
| 539 | Vocational guidance | 30 | 1.1K | 225 | 241 |
| 540 | Aquaculture | 36 | 1.1K | 381 | 372 |
| 541 | Cell death | 20 | 1.1K | 502 | 563 |
| 542 | Clinical Biochemistry | 23 | 1.1K | 458 | 283 |
| 543 | mutagens | 24 | 1.1K | 229 | 265 |
| 543 | polymerization | 31 | 1.1K | 1650 | 1339 |
| 545 | Bifurcation Theory | 66 | 1.1K | 15 | 53 |
| 546 | Venture Capital | 4 | 1.1K | 235 | 148 |
| 547 | Greenhouse gases | 12 | 1.1K | 128 | 68 |
| 548 | Development | 27 | 1.1K | 164 | 197 |
| 549 | Carbon | 15 | 1.1K | 597 | 485 |
| 550 | Animal genetics | 45 | 1.1K | 108 | 132 |
| 551 | Women's health | 31 | 1.1K | 261 | 207 |
| 553 | Sound | 42 | 1.0K | 64 | 42 |
| 555 | natural products | 44 | 1.0K | 291 | 357 |
| 556 | Transgenic plants | 28 | 1.0K | 63 | 76 |
| 557 | Palliative Care | 35 | 1.0K | 151 | 116 |
| 558 | Recombinant DNA | 32 | 1.0K | 324 | 348 |
| 559 | rare diseases | 18 | 1.0K | 195 | 117 |
| 560 | Asthma | 27 | 1.0K | 101 | 62 |
| 561 | Nuclear Chemistry | 11 | 1.0K | 638 | 127 |
| 561 | Ultrasound | 35 | 1.0K | 61 | 70 |
| 565 | Ferroelectricity | 35 | 1.0K | 169 | 63 |
| 566 | Molecules | 51 | 1.0K | 313 | 377 |
| 567 | mathematical analysis | 58 | 1.0K | 576 | 431 |
| 568 | Corporate governance | 11 | 1.0K | 158 | 51 |
| 569 | Plant tissue culture | 50 | 1.0K | 52 | 114 |
| 569 | Mineral resources | 35 | 1.0K | 32 | 54 |
| 572 | Alzheimer's disease | 86 | 1.0K | 235 | 380 |
| 573 | Radio frequency | 33 | 1.0K | 19 | 27 |
| 574 | Control Theory | 73 | 998 | 210 | 325 |
| 575 | Sedimentary rocks | 19 | 995 | 127 | 88 |
| 576 | health planning | 53 | 994 | 275 | 349 |
| 577 | wind erosion | 3 | 989 | 100 | 10 |
| 578 | Mathematical Physics | 75 | 981 | 568 | 780 |
| 579 | Landscape Ecology | 18 | 977 | 98 | 103 |
| 580 | DNA polymerases | 8 | 975 | 288 | 290 |
| 581 | Antibacterial agents | 25 | 974 | 112 | 117 |
| 581 | Cerebral cortex | 19 | 974 | 369 | 365 |
| 583 | Neurons | 9 | 973 | 487 | 726 |
| 584 | world | 23 | 970 | 172 | 235 |
| 585 | Human Geography | 50 | 966 | 172 | 218 |
| 586 | Aggression | 8 | 965 | 245 | 89 |
| 587 | Teaching | 50 | 964 | 266 | 324 |
| 588 | global environmental change | 23 | 949 | 194 | 291 |
| 589 | Long-Term Care | 19 | 945 | 157 | 174 |
| 589 | Long-term care facilities | 19 | 945 | 156 | 173 |
| 591 | Nanostructures | 30 | 944 | 561 | 761 |
| 592 | animals | 51 | 941 | 144 | 170 |
| 593 | Semiconductors | 47 | 934 | 408 | 361 |
| 593 | Culture | 54 | 934 | 127 | 97 |
| 595 | counseling | 32 | 931 | 357 | 328 |
| 596 | Decision making | 22 | 930 | 429 | 358 |
| 597 | RNA | 9 | 929 | 298 | 160 |
| 598 | recreation | 36 | 928 | 110 | 81 |
| 598 | Human biology | 49 | 928 | 52 | 82 |
| 600 | Photochemistry | 28 | 925 | 447 | 415 |
| 601 | Respiratory system | 26 | 921 | 105 | 109 |
| 602 | Radiobiology | 36 | 912 | 641 | 614 |
| 603 | Randomized Controlled Trials | 69 | 911 | 92 | 146 |
| 604 | Sites | 22 | 902 | 140 | 161 |
| 605 | Physical organic chemistry | 40 | 899 | 228 | 263 |
| 606 | Sedimentology | 23 | 897 | 112 | 125 |
| 607 | diseases | 7 | 895 | 190 | 484 |
| 608 | Oxidation-reduction | 12 | 894 | 368 | 399 |
| 609 | Animal Nutrition | 47 | 890 | 77 | 116 |
| 611 | Community Psychiatry | 35 | 888 | 184 | 279 |
| 612 | Africa | 40 | 879 | 276 | 183 |
| 612 | bees | 7 | 879 | 246 | 75 |
| 614 | Naval Architecture | 33 | 878 | 59 | 36 |
| 615 | blood transfusion | 31 | 877 | 203 | 180 |
| 617 | Disease | 5 | 868 | 253 | 495 |
| 618 | Middle East | 34 | 858 | 130 | 72 |
| 619 | Biogeochemical cycles | 14 | 855 | 195 | 284 |
| 620 | Organic Geochemistry | 24 | 836 | 67 | 124 |
| 621 | Leukemia | 28 | 832 | 501 | 624 |
| 622 | Birds | 53 | 830 | 218 | 273 |
| 623 | child abuse | 32 | 826 | 155 | 279 |
| 624 | disease outbreaks | 18 | 825 | 153 | 155 |
| 624 | Epidemics | 18 | 825 | 149 | 154 |
| 627 | Social work | 50 | 818 | 248 | 265 |
| 630 | X-ray crystallography | 23 | 816 | 161 | 94 |
| 631 | mathematical concepts | 18 | 811 | 65 | 22 |
| 632 | Autoimmunity | 9 | 809 | 482 | 305 |
| 633 | Child welfare | 34 | 807 | 238 | 225 |
| 634 | sustainability | 20 | 805 | 145 | 296 |
| 635 | human development | 23 | 804 | 197 | 239 |
| 636 | Social Change | 13 | 802 | 357 | 310 |
| 637 | Nutrition physiology | 20 | 798 | 180 | 185 |
| 638 | land degradation | 40 | 793 | 21 | 46 |
| 638 | degradation | 40 | 793 | 21 | 46 |
| 640 | Sociobiology | 10 | 792 | 100 | 41 |
| 641 | Molecular cloning | 27 | 787 | 371 | 427 |
| 641 | Genetic recombination | 27 | 787 | 351 | 420 |
| 643 | Algae | 26 | 782 | 212 | 240 |
| 644 | Cement | 9 | 780 | 334 | 262 |
| 646 | Criminal psychology | 37 | 775 | 145 | 199 |
| 647 | movement | 27 | 773 | 23 | 48 |
| 648 | Urban Policy | 36 | 771 | 69 | 144 |
| 649 | Population | 101 | 768 | 54 | 232 |
| 650 | cell membrane | 7 | 765 | 450 | 225 |
| 651 | Economic Assistance | 21 | 761 | 167 | 241 |
| 652 | mass transfer | 21 | 760 | 617 | 555 |
| 653 | bioclimatology | 6 | 759 | 683 | 169 |
| 655 | Mass Media | 23 | 750 | 247 | 55 |
| 655 | actuators | 33 | 750 | 573 | 862 |
| 655 | transducers | 33 | 750 | 573 | 862 |
| 658 | Plant cell culture | 20 | 748 | 139 | 149 |
| 660 | Cross-Cultural Studies | 30 | 747 | 54 | 69 |
| 660 | Human evolution | 20 | 747 | 130 | 154 |
| 660 | Dementia | 84 | 747 | 228 | 407 |
| 663 | Immunopathology | 44 | 745 | 301 | 566 |
| 663 | Microscopy | 50 | 745 | 240 | 352 |
| 665 | Ethnology | 88 | 744 | 105 | 221 |
| 666 | Microbial Biotechnology | 7 | 736 | 588 | 167 |
| 667 | Genes | 22 | 734 | 307 | 277 |
| 668 | Transportation | 21 | 733 | 612 | 552 |
| 668 | Hematopoietic stem cell transplantation | 12 | 733 | 137 | 93 |
| 670 | natural disasters | 12 | 731 | 557 | 332 |
| 671 | Atherosclerosis | 14 | 724 | 33 | 17 |
| 671 | cell interaction | 13 | 724 | 561 | 405 |
| 673 | Lightweight concrete | 10 | 721 | 146 | 167 |
| 674 | Social policy | 17 | 718 | 352 | 176 |
| 675 | environmental indicators | 25 | 714 | 188 | 318 |
| 677 | Patient education | 19 | 713 | 210 | 223 |
| 677 | cultural policy | 19 | 713 | 40 | 15 |
| 681 | Environmentalism | 3 | 697 | 146 | 29 |
| 682 | Tunneling | 11 | 692 | 124 | 102 |
| 682 | underground construction | 11 | 692 | 124 | 102 |
| 685 | Cosmology | 23 | 690 | 543 | 359 |
| 686 | Neurotransmitters | 29 | 689 | 100 | 119 |
| 687 | Operations Research | 23 | 685 | 859 | 814 |
| 688 | Microelectronics | 19 | 682 | 819 | 883 |
| 689 | Forensic Psychiatry | 37 | 681 | 81 | 87 |
| 690 | calcification | 22 | 678 | 123 | 191 |
| 691 | organization | 10 | 676 | 395 | 383 |
| 691 | Psychiatric Epidemiology | 23 | 676 | 101 | 167 |
| 693 | Higher Education | 29 | 673 | 71 | 88 |
| 694 | Socioeconomic Factors | 21 | 672 | 183 | 164 |
| 696 | Intelligence | 11 | 658 | 89 | 77 |
| 696 | Porous materials | 28 | 658 | 82 | 83 |
| 698 | Pharmacogenetics | 16 | 657 | 450 | 462 |
| 699 | Metallic Glasses | 17 | 656 | 124 | 105 |
| 700 | Energy metabolism | 5 | 655 | 573 | 284 |
| 702 | Horticulture | 43 | 649 | 101 | 121 |
| 703 | Respiratory Infections | 26 | 648 | 40 | 44 |
| 704 | Fertilizers | 14 | 647 | 138 | 85 |
| 705 | Influenza | 25 | 642 | 23 | 29 |
| 706 | Sexual health | 10 | 641 | 458 | 200 |
| 707 | Trace elements | 5 | 640 | 169 | 30 |
| 708 | Power Electronics | 32 | 638 | 101 | 116 |
| 709 | Seaweed | 19 | 637 | 186 | 220 |
| 711 | Industrial Microbiology | 19 | 632 | 726 | 912 |
| 712 | Quality Control | 11 | 625 | 916 | 504 |
| 714 | body temperature | 29 | 618 | 21 | 44 |
| 715 | Fluid Dynamics | 41 | 616 | 209 | 358 |
| 716 | biological invasions | 26 | 614 | 77 | 157 |
| 716 | civil service | 10 | 614 | 164 | 93 |
| 718 | Tropical Medicine | 33 | 613 | 420 | 527 |
| 719 | Technological Innovations | 17 | 612 | 254 | 236 |
| 720 | Systems Biology | 34 | 608 | 306 | 533 |
| 721 | Photobiology | 15 | 607 | 524 | 373 |
| 721 | Communications | 13 | 607 | 25 | 2 |
| 721 | media | 13 | 607 | 25 | 2 |
| 725 | Work | 24 | 605 | 44 | 57 |
| 726 | Magnetic Resonance Spectroscopy | 19 | 604 | 526 | 395 |
| 727 | Genetic regulation | 13 | 603 | 596 | 745 |
| 728 | speech therapy | 22 | 601 | 111 | 92 |
| 729 | Appetite | 24 | 600 | 150 | 229 |
| 730 | cross-cultural comparison | 21 | 598 | 74 | 59 |
| 731 | Gene expression regulation | 18 | 597 | 356 | 533 |
| 733 | Heat Exchangers | 19 | 595 | 355 | 454 |
| 734 | Rural Development | 12 | 591 | 190 | 110 |
| 735 | Thermochemistry | 26 | 585 | 107 | 122 |
| 736 | health behavior | 18 | 583 | 376 | 351 |
| 737 | Autoimmune diseases | 8 | 581 | 407 | 243 |
| 738 | Quantum Chemistry | 22 | 580 | 243 | 163 |
| 739 | Liposomes | 16 | 579 | 126 | 157 |
| 739 | Lipid bilayers | 16 | 579 | 105 | 146 |
| 742 | food technology | 16 | 576 | 1215 | 1163 |
| 742 | heredity | 19 | 576 | 187 | 163 |
| 744 | Combustion | 21 | 575 | 452 | 486 |
| 747 | Ceramics | 16 | 572 | 670 | 545 |
| 747 | Glass | 16 | 572 | 490 | 481 |
| 747 | pottery | 16 | 572 | 487 | 475 |
| 751 | Medicinal plants | 10 | 570 | 809 | 626 |
| 752 | Auditing | 15 | 569 | 84 | 100 |
| 753 | atmospheric models | 15 | 568 | 353 | 411 |
| 754 | Alternative Medicine | 16 | 564 | 768 | 544 |
| 755 | Smart Materials | 20 | 561 | 248 | 262 |
| 756 | Geobiology | 16 | 559 | 154 | 147 |
| 756 | Luminescence | 11 | 559 | 669 | 262 |
| 758 | Computational Intelligence | 6 | 555 | 627 | 114 |
| 759 | Human Resources | 11 | 551 | 155 | 151 |
| 760 | sexual behavior | 8 | 547 | 406 | 217 |
| 761 | nuclear magnetic resonance | 14 | 546 | 591 | 427 |
| 762 | locomotion | 12 | 544 | 332 | 219 |
| 762 | posture | 12 | 544 | 332 | 219 |
| 762 | probabilities | 33 | 544 | 374 | 293 |
| 762 | migration policy | 12 | 544 | 46 | 55 |
| 762 | gait | 12 | 544 | 332 | 219 |
| 762 | walking | 12 | 544 | 332 | 219 |
| 768 | sports injuries | 13 | 542 | 183 | 63 |
| 769 | Soil dynamics | 11 | 540 | 195 | 133 |
| 770 | Orthopedic Surgery | 15 | 538 | 362 | 333 |
| 770 | Crystallization | 33 | 538 | 54 | 98 |
| 770 | immigration | 10 | 538 | 50 | 56 |
| 770 | Asylum seeker | 10 | 538 | 42 | 55 |
| 775 | Hearing Aids | 28 | 535 | 25 | 34 |
| 776 | Learning disabilities | 30 | 527 | 176 | 257 |
| 777 | Developmental Immunology | 11 | 525 | 347 | 245 |
| 778 | Mechanics | 17 | 524 | 504 | 334 |
| 780 | Family | 20 | 520 | 323 | 322 |
| 780 | Telecommunication | 15 | 520 | 1059 | 591 |
| 783 | Jurisprudence | 26 | 515 | 264 | 264 |
| 784 | Export Marketing | 8 | 514 | 65 | 71 |
| 785 | drug evaluation | 20 | 507 | 395 | 410 |
| 786 | corporate culture | 8 | 506 | 38 | 16 |
| 787 | Water quality management | 25 | 505 | 502 | 580 |
| 787 | cloning | 6 | 505 | 576 | 514 |
| 789 | Wetland ecology | 11 | 502 | 155 | 117 |
| 790 | DNA methylation | 11 | 499 | 83 | 103 |
| 791 | vitamin C | 11 | 498 | 118 | 129 |
| 791 | vitamin E | 11 | 498 | 118 | 129 |
| 793 | Oxidative stress | 7 | 497 | 812 | 636 |
| 794 | scientific societies | 16 | 496 | 300 | 298 |
| 795 | Industrial Safety | 16 | 495 | 411 | 340 |
| 796 | DNS | 13 | 493 | 153 | 122 |
| 796 | venom | 16 | 493 | 260 | 236 |
| 796 | Toxins | 16 | 493 | 276 | 257 |
| 799 | Mass Spectrometry | 15 | 492 | 597 | 539 |
| 800 | Geomagnetism | 32 | 491 | 179 | 272 |
| 801 | Organizational culture | 7 | 490 | 6 | 4 |
| 802 | Financial management | 8 | 489 | 280 | 227 |
| 803 | Elderly | 33 | 488 | 352 | 217 |
| 804 | motivation | 12 | 487 | 107 | 120 |
| 805 | Metallography | 11 | 486 | 378 | 237 |
| 805 | Social problems | 8 | 486 | 356 | 227 |
| 808 | Matroids | 28 | 484 | 28 | 45 |
| 809 | gene transfer | 7 | 482 | 125 | 49 |
| 809 | genetic transformation | 7 | 482 | 125 | 49 |
| 811 | Communication Disorders | 12 | 480 | 99 | 56 |
| 812 | Radiation | 16 | 478 | 1079 | 837 |
| 813 | Ecohydrology | 21 | 477 | 31 | 53 |
| 814 | nuclear astrophysics | 8 | 476 | 305 | 210 |
| 815 | complementary therapies | 16 | 475 | 827 | 669 |
| 816 | Cognitive Behavioral Therapy | 7 | 470 | 124 | 54 |
| 817 | Emotion | 11 | 468 | 55 | 82 |
| 817 | Kidney diseases | 22 | 468 | 305 | 475 |
| 819 | Morphology | 27 | 466 | 162 | 226 |
| 820 | econometric models | 13 | 465 | 149 | 138 |
| 821 | women | 16 | 464 | 236 | 103 |
| 822 | Industrial Sociology | 1 | 461 | 381 | 49 |
| 824 | motor skills | 24 | 455 | 19 | 58 |
| 825 | Infection control | 8 | 453 | 423 | 237 |
| 825 | biochemical markers | 17 | 453 | 212 | 169 |
| 827 | Genetic epidemiology | 13 | 452 | 122 | 115 |
| 827 | Recycling | 10 | 452 | 244 | 390 |
| 829 | Drug design | 13 | 451 | 831 | 844 |
| 829 | amino acids | 10 | 451 | 215 | 172 |
| 831 | Ornithology | 43 | 450 | 196 | 315 |
| 832 | Post-traumatic stress disorder | 11 | 449 | 383 | 372 |
| 833 | Endocrine glands | 7 | 448 | 137 | 224 |
| 834 | Drug delivery systems | 15 | 447 | 647 | 912 |
| 835 | Pesticides | 10 | 444 | 311 | 148 |
| 838 | DNA | 22 | 441 | 74 | 125 |
| 839 | Social Issues | 7 | 438 | 132 | 77 |
| 840 | Production Engineering | 11 | 432 | 1116 | 663 |
| 840 | Nutritional support | 11 | 432 | 41 | 65 |
| 842 | Spine | 7 | 428 | 578 | 465 |
| 843 | Qualitative Research | 20 | 424 | 115 | 165 |
| 844 | Autoantibodies | 6 | 422 | 483 | 305 |
| 845 | Bipolar Disorder | 18 | 421 | 127 | 233 |
| 846 | bioluminescence | 9 | 420 | 125 | 25 |
| 847 | Wireless Communication Systems | 14 | 419 | 1025 | 672 |
| 848 | East Asia | 24 | 418 | 92 | 55 |
| 848 | Cell communication | 9 | 418 | 447 | 365 |
| 850 | Marine Geology | 22 | 417 | 156 | 237 |
| 852 | Disability Studies | 21 | 414 | 27 | 21 |
| 852 | Cell metabolism | 8 | 414 | 428 | 858 |
| 854 | Structural design | 14 | 413 | 270 | 283 |
| 855 | Language Acquisition | 9 | 412 | 216 | 144 |
| 856 | Speech | 26 | 410 | 231 | 434 |
| 857 | Teratology | 14 | 407 | 106 | 158 |
| 858 | Molecular Imaging | 8 | 403 | 511 | 476 |
| 859 | Antibodies | 14 | 402 | 279 | 352 |
| 860 | Geriatric Pharmacology | 13 | 401 | 80 | 88 |
| 861 | dietary supplements | 9 | 400 | 382 | 301 |
| 861 | Chromatographic analysis | 19 | 400 | 752 | 745 |
| 863 | Serology | 5 | 398 | 409 | 131 |
| 863 | Reproductive health | 18 | 398 | 251 | 327 |
| 863 | Performance | 20 | 398 | 41 | 118 |
| 866 | Food Security | 17 | 396 | 24 | 62 |
| 866 | cultural pluralism | 15 | 396 | 60 | 53 |
| 868 | Oral Medicine | 23 | 395 | 112 | 123 |
| 869 | civilization | 76 | 391 | 112 | 53 |
| 870 | consumer behavior | 16 | 389 | 131 | 257 |
| 870 | Nonlinear functional analysis | 21 | 389 | 345 | 383 |
| 870 | Developmental Neurobiology | 14 | 389 | 157 | 174 |
| 873 | Experimental Design | 3 | 388 | 307 | 145 |
| 873 | Pediatric Nursing | 4 | 388 | 503 | 125 |
| 873 | exobiology | 10 | 388 | 131 | 196 |
| 876 | visualization | 30 | 387 | 400 | 297 |
| 877 | Obstetric Nursing | 3 | 386 | 426 | 71 |
| 878 | Forecasting | 10 | 385 | 201 | 194 |
| 878 | Malaria | 20 | 385 | 240 | 357 |
| 880 | Industry | 4 | 384 | 127 | 109 |
| 881 | Radiography | 4 | 383 | 720 | 386 |
| 881 | Quantum electronics | 17 | 383 | 302 | 179 |
| 881 | Endocrine system | 55 | 383 | 77 | 63 |
| 884 | Smoking | 13 | 382 | 392 | 458 |
| 884 | Food preferences | 4 | 382 | 354 | 170 |
| 886 | International Education | 10 | 381 | 55 | 38 |
| 887 | Genetic disorders | 9 | 380 | 334 | 289 |
| 887 | Interferons | 18 | 380 | 28 | 76 |
| 887 | protein | 16 | 380 | 568 | 739 |
| 890 | prostaglandins | 16 | 379 | 163 | 189 |
| 891 | Plant Morphology | 14 | 377 | 185 | 159 |
| 892 | Multilingualism | 5 | 376 | 188 | 45 |
| 894 | Biological Systems | 9 | 375 | 331 | 219 |
| 895 | Job satisfaction | 4 | 372 | 78 | 68 |
| 895 | Environmental Geochemistry | 19 | 372 | 60 | 112 |
| 895 | job stress | 4 | 372 | 78 | 68 |
| 898 | chronic disease | 9 | 370 | 178 | 161 |
| 900 | administrative agencies | 4 | 369 | 242 | 75 |
| 901 | Petroleum Geology | 17 | 367 | 173 | 258 |
| 901 | families | 22 | 367 | 232 | 277 |
| 903 | Chromatography | 15 | 366 | 749 | 708 |
| 903 | Cell cycle | 9 | 366 | 135 | 102 |
| 903 | cell proliferation | 9 | 366 | 160 | 108 |
| 906 | Money | 9 | 363 | 89 | 104 |
| 907 | Homeostasis | 3 | 360 | 609 | 870 |
| 908 | Magnetic Resonance Imaging | 11 | 358 | 275 | 229 |
| 909 | Systems Analysis | 28 | 354 | 193 | 371 |
| 910 | Social welfare | 24 | 348 | 126 | 179 |
| 911 | Economic Thought | 10 | 345 | 94 | 227 |
| 912 | Music | 18 | 344 | 285 | 238 |
| 913 | Herbal medicine | 5 | 342 | 558 | 359 |
| 913 | computer networks | 28 | 342 | 691 | 1159 |
| 915 | School Psychology | 16 | 341 | 156 | 213 |
| 915 | hazard mitigation | 10 | 341 | 407 | 404 |
| 918 | Geodesy | 12 | 337 | 273 | 257 |
| 919 | Applied Mechanics | 1 | 333 | 51 | 32 |
| 919 | Family Therapy | 17 | 333 | 264 | 273 |
| 922 | Japan | 24 | 330 | 715 | 757 |
| 923 | Pharmacy management | 32 | 328 | 41 | 82 |
| 924 | Food Microbiology | 9 | 325 | 793 | 966 |
| 925 | energy development | 7 | 324 | 506 | 577 |
| 926 | Language Development | 5 | 323 | 167 | 97 |
| 926 | ethnicity | 25 | 323 | 126 | 161 |
| 926 | abnormalities | 11 | 323 | 65 | 104 |
| 929 | Education policy | 18 | 322 | 12 | 19 |
| 929 | Magnetic Materials | 17 | 322 | 639 | 846 |
| 931 | Ceramic materials | 14 | 321 | 588 | 614 |
| 931 | Fractals | 16 | 321 | 402 | 481 |
| 933 | Molecular Spectroscopy | 19 | 320 | 675 | 902 |
| 934 | industrial hygiene | 19 | 318 | 353 | 326 |
| 935 | Zeolites | 16 | 317 | 313 | 548 |
| 936 | Psychosomatic Medicine | 12 | 315 | 448 | 607 |
| 936 | Mining Geology | 26 | 315 | 12 | 14 |
| 936 | Waste management | 14 | 315 | 588 | 546 |
| 939 | wetland management | 8 | 314 | 52 | 47 |
| 940 | Brain damage | 9 | 312 | 207 | 217 |
| 941 | Electrophoresis | 14 | 311 | 829 | 967 |
| 941 | Socialization | 8 | 311 | 281 | 319 |
| 945 | Digestive system diseases | 15 | 308 | 479 | 620 |
| 946 | Sustainable Engineering | 8 | 307 | 1102 | 1100 |
| 947 | shellfish | 5 | 306 | 130 | 36 |
| 949 | Freshwater invertebrates | 7 | 304 | 123 | 138 |
| 949 | child mental health | 14 | 304 | 153 | 178 |
| 951 | Maternal health services | 6 | 303 | 301 | 177 |
| 952 | Food service management | 9 | 300 | 156 | 289 |
| 953 | epilepsy | 19 | 299 | 347 | 572 |
| 953 | Great Lakes | 5 | 299 | 199 | 128 |
| 953 | tests | 8 | 299 | 77 | 76 |
| 956 | Psychiatric Nursing | 18 | 298 | 180 | 217 |
| 957 | behavior modification | 6 | 297 | 308 | 318 |
| 958 | disease vectors | 11 | 295 | 507 | 558 |
| 960 | forest policy | 10 | 289 | 168 | 148 |
| 961 | Sarcopenia | 6 | 287 | 240 | 313 |
| 962 | Erectile dysfunction | 2 | 286 | 429 | 93 |
| 962 | Demographic research | 2 | 286 | 193 | 117 |
| 965 | Landslides | 5 | 285 | 166 | 163 |
| 966 | structural stability | 9 | 283 | 231 | 207 |
| 967 | California | 8 | 282 | 286 | 206 |
| 968 | Flow cytometry | 12 | 280 | 145 | 218 |
| 969 | Psychoneuroimmunology | 5 | 279 | 602 | 576 |
| 969 | Neuroimmunology | 5 | 279 | 662 | 636 |
| 971 | Nonparametric Statistics | 4 | 278 | 126 | 17 |
| 971 | Behavioral research | 5 | 278 | 360 | 98 |
| 973 | drug resistance | 10 | 277 | 298 | 399 |
| 973 | International Business | 5 | 277 | 96 | 40 |
| 975 | Bioethics | 17 | 276 | 306 | 352 |
| 975 | Financial Institutions | 16 | 276 | 61 | 159 |
| 978 | Stochastic Processes | 13 | 275 | 370 | 322 |
| 978 | biological monitoring | 11 | 275 | 160 | 256 |
| 980 | Organizational Sociology | 8 | 274 | 160 | 149 |
| 980 | Feminism | 18 | 274 | 156 | 181 |
| 982 | Food Policy | 8 | 273 | 185 | 249 |
| 982 | agricultural policy | 8 | 273 | 110 | 205 |
| 985 | embryo transfer | 12 | 272 | 195 | 212 |
| 986 | Diagnosis | 13 | 270 | 208 | 217 |
| 986 | Adhesion | 10 | 270 | 246 | 211 |
| 986 | solar cells | 9 | 270 | 505 | 682 |
| 986 | adhesives | 10 | 270 | 266 | 214 |
| 991 | Veterinary Pathology | 14 | 269 | 113 | 105 |
| 991 | Cell survival | 2 | 269 | 336 | 105 |
| 991 | molecular chaperones | 2 | 269 | 393 | 105 |
| 994 | Dietetics | 23 | 267 | 261 | 397 |
| 994 | musculoskeletal system | 6 | 267 | 72 | 59 |
| 996 | Agricultural Biotechnology | 32 | 266 | 22 | 25 |
| 997 | Telemedicine | 10 | 265 | 139 | 188 |
| 998 | Labor Economics | 4 | 264 | 465 | 269 |
| 998 | Geopolitics | 5 | 264 | 178 | 51 |
| 998 | Solitons | 11 | 264 | 477 | 495 |
| 998 | Chaos | 11 | 264 | 477 | 495 |
| 1002 | disease susceptibility | 12 | 262 | 98 | 119 |
| 1002 | symptoms | 12 | 262 | 98 | 119 |
| 1004 | Advertising | 7 | 261 | 201 | 239 |
| 1004 | Insect biochemistry | 6 | 261 | 319 | 314 |
| 1006 | Immunopharmacology | 10 | 260 | 543 | 622 |
| 1007 | population trends | 1 | 258 | 195 | 103 |
| 1009 | Human Rights | 12 | 257 | 213 | 184 |
| 1009 | Depression | 7 | 257 | 216 | 405 |
| 1011 | Finite Element Method | 5 | 256 | 198 | 76 |
| 1011 | Hazardous waste | 11 | 256 | 379 | 801 |
| 1011 | race relations | 17 | 256 | 169 | 253 |
| 1014 | Project Management | 2 | 255 | 374 | 269 |
| 1014 | Evolutionary Genetics | 11 | 255 | 225 | 340 |
| 1014 | Molecular Epidemiology | 11 | 255 | 225 | 340 |
| 1014 | population geography | 10 | 255 | 128 | 151 |
| 1018 | psychophysics | 14 | 254 | 87 | 102 |
| 1018 | Islam | 13 | 254 | 184 | 66 |
| 1020 | Ethnic relations | 16 | 253 | 153 | 168 |
| 1021 | Emerging infectious diseases | 6 | 251 | 198 | 171 |
| 1021 | Minerals | 13 | 251 | 239 | 361 |
| 1023 | Futures | 13 | 250 | 79 | 120 |
| 1024 | international cooperation | 8 | 248 | 317 | 347 |
| 1025 | Educational Sociology | 10 | 245 | 119 | 113 |
| 1025 | Remote Sensing | 16 | 245 | 577 | 620 |
| 1025 | Supramolecular chemistry | 14 | 245 | 41 | 26 |
| 1025 | weather | 3 | 245 | 673 | 335 |
| 1029 | Allergies | 5 | 243 | 87 | 61 |
| 1031 | Developmental Genetics | 4 | 242 | 608 | 717 |
| 1031 | Comparative Education | 9 | 242 | 94 | 36 |
| 1031 | local government | 5 | 242 | 271 | 172 |
| 1031 | Hemophilia | 18 | 242 | 186 | 287 |
| 1035 | vitamins | 2 | 241 | 213 | 88 |
| 1037 | Chemical Ecology | 10 | 234 | 270 | 415 |
| 1037 | radioactive waste | 10 | 234 | 339 | 795 |
| 1037 | pheromones | 10 | 234 | 240 | 386 |
| 1037 | industrial waste | 10 | 234 | 363 | 798 |
| 1041 | Adsorption | 9 | 233 | 63 | 74 |
| 1041 | fuel cells | 3 | 233 | 1452 | 1128 |
| 1041 | Climate | 2 | 233 | 919 | 417 |
| 1044 | Cryptography | 35 | 232 | 48 | 176 |
| 1044 | Animal Physiology | 7 | 232 | 95 | 112 |
| 1044 | Natural selection | 7 | 232 | 95 | 112 |
| 1044 | Coding Theory | 35 | 232 | 21 | 76 |
| 1044 | Southeast Asia | 21 | 232 | 79 | 76 |
| 1044 | genetic selection | 7 | 232 | 95 | 112 |
| 1050 | Political Psychology | 3 | 231 | 379 | 231 |
| 1050 | Behavioral Finance | 3 | 231 | 39 | 2 |
| 1050 | government | 7 | 231 | 539 | 330 |
| 1053 | Cheminformatics | 2 | 230 | 543 | 341 |
| 1054 | technical education | 12 | 229 | 174 | 193 |
| 1055 | solar power | 8 | 226 | 496 | 683 |
| 1055 | nuclear magnetic resonance spectroscopy | 6 | 226 | 642 | 411 |
| 1057 | Agricultural Economics | 19 | 225 | 11 | 33 |
| 1057 | Pharmacogenomics | 3 | 225 | 377 | 211 |
| 1060 | Health Information Management | 3 | 224 | 326 | 431 |
| 1061 | Library Science | 8 | 223 | 816 | 290 |
| 1064 | Watershed management | 7 | 221 | 64 | 35 |
| 1065 | Hemostasis | 11 | 219 | 474 | 558 |
| 1065 | Plastics | 7 | 219 | 1296 | 994 |
| 1065 | primary prevention | 4 | 219 | 425 | 237 |
| 1069 | Environmental Education | 9 | 217 | 151 | 177 |
| 1069 | Hospitals | 5 | 217 | 673 | 443 |
| 1071 | role | 6 | 215 | 279 | 339 |
| 1071 | sex crimes | 12 | 215 | 262 | 354 |
| 1073 | Corporate Social Responsibility | 15 | 213 | 25 | 234 |
| 1073 | environmental auditing | 15 | 213 | 25 | 237 |
| 1075 | Andrology | 11 | 212 | 347 | 434 |
| 1075 | Adult Education | 10 | 212 | 246 | 175 |
| 1075 | cell adhesion molecules | 5 | 212 | 422 | 396 |
| 1078 | Microcirculation | 8 | 211 | 241 | 316 |
| 1078 | Body Image | 10 | 211 | 77 | 169 |
| 1080 | Plant Taxonomy | 17 | 210 | 147 | 262 |
| 1080 | Astrocytes | 6 | 210 | 404 | 588 |
| 1083 | Nationalism | 18 | 209 | 48 | 74 |
| 1083 | Communication in medicine | 5 | 209 | 451 | 333 |
| 1085 | children | 5 | 208 | 450 | 379 |
| 1088 | Education history | 20 | 207 | 6 | 6 |
| 1088 | Egypt | 8 | 207 | 193 | 271 |
| 1088 | language | 13 | 207 | 328 | 539 |
| 1091 | Land Use Planning | 11 | 206 | 126 | 281 |
| 1092 | Chemical Oceanography | 7 | 205 | 208 | 317 |
| 1092 | Circadian rhythms | 2 | 205 | 461 | 214 |
| 1092 | biological clocks | 2 | 205 | 660 | 237 |
| 1092 | circadian rhythm | 2 | 205 | 660 | 237 |
| 1092 | biological rhythms | 2 | 205 | 622 | 233 |
| 1092 | liver | 6 | 205 | 219 | 164 |
| 1099 | Rock deformation | 4 | 204 | 177 | 122 |
| 1100 | Medical Sociology | 8 | 203 | 22 | 20 |
| 1101 | economic indicators | 7 | 202 | 43 | 21 |
| 1101 | Atomic spectroscopy | 9 | 202 | 766 | 727 |
| 1103 | Scanning electron microscopy | 12 | 201 | 25 | 41 |
| 1104 | Random graphs | 4 | 200 | 156 | 83 |
| 1106 | X-rays | 6 | 199 | 532 | 312 |
| 1107 | Neuroendocrinology | 5 | 197 | 83 | 219 |
| 1108 | Molecular Microbiology | 7 | 195 | 682 | 1104 |
| 1108 | Bioremediation | 8 | 195 | 376 | 582 |
| 1108 | Multimedia Systems | 10 | 195 | 925 | 775 |
| 1108 | Migration | 9 | 195 | 49 | 31 |
| 1112 | Discourse Analysis | 5 | 194 | 290 | 202 |
| 1113 | Computational Fluid Dynamics | 6 | 193 | 475 | 370 |
| 1113 | Invertebrates | 5 | 193 | 542 | 395 |
| 1113 | eugenics | 10 | 193 | 290 | 376 |
| 1116 | child behavior | 6 | 192 | 283 | 360 |
| 1117 | Marriage | 4 | 191 | 484 | 297 |
| 1117 | Synthetic biology | 7 | 191 | 191 | 227 |
| 1119 | Suicide | 13 | 190 | 215 | 364 |
| 1120 | Public opinion | 13 | 189 | 128 | 282 |
| 1120 | Quantum theory | 17 | 189 | 346 | 617 |
| 1122 | Melanoma | 6 | 188 | 128 | 196 |
| 1122 | community development | 6 | 188 | 412 | 313 |
| 1122 | Wetland conservation | 3 | 188 | 350 | 199 |
| 1122 | particles | 8 | 188 | 548 | 580 |
| 1122 | Chromosomes | 7 | 188 | 784 | 940 |
| 1122 | Wetlands | 3 | 188 | 367 | 200 |
| 1129 | Autism spectrum disorders | 3 | 186 | 69 | 38 |
| 1129 | Blood vessels | 6 | 186 | 232 | 260 |
| 1131 | Biomarkers | 3 | 184 | 519 | 176 |
| 1133 | Continuing Education | 5 | 183 | 326 | 140 |
| 1133 | school environment | 2 | 183 | 147 | 45 |
| 1133 | Law enforcement | 20 | 183 | 15 | 51 |
| 1136 | Fishery management | 11 | 182 | 461 | 577 |
| 1136 | sleep-wake cycle | 3 | 182 | 127 | 19 |
| 1138 | Hippocampus | 3 | 181 | 369 | 357 |
| 1139 | plankton | 5 | 180 | 155 | 158 |
| 1140 | Classical Philology | 20 | 179 | 56 | 30 |
| 1140 | Databases | 5 | 179 | 305 | 278 |
| 1140 | Data Science | 81 | 179 | 10 | 12 |
| 1143 | lasers | 20 | 177 | 687 | 1085 |
| 1144 | Reading | 7 | 176 | 374 | 371 |
| 1146 | Radiation Oncology | 11 | 175 | 160 | 290 |
| 1146 | foreign exchange | 6 | 175 | 227 | 323 |
| 1146 | Biomass | 6 | 175 | 419 | 706 |
| 1150 | environmental remediation | 7 | 174 | 139 | 189 |
| 1150 | Shock Waves | 3 | 174 | 220 | 95 |
| 1152 | Measurement | 10 | 172 | 661 | 858 |
| 1152 | pain management | 7 | 172 | 469 | 513 |
| 1152 | hygiene | 12 | 172 | 176 | 376 |
| 1156 | Plate Tectonics | 7 | 171 | 147 | 152 |
| 1156 | urban health | 8 | 171 | 141 | 236 |
| 1156 | Granular materials | 6 | 171 | 360 | 377 |
| 1159 | Algal blooms | 2 | 170 | 448 | 330 |
| 1159 | communities | 2 | 170 | 19 | 3 |
| 1159 | Cyanobacteria | 2 | 170 | 448 | 330 |
| 1159 | microalgae | 2 | 170 | 448 | 330 |
| 1163 | hospice care | 10 | 168 | 271 | 305 |
| 1163 | food handling | 3 | 168 | 1049 | 861 |
| 1165 | Telecommunications | 3 | 166 | 924 | 333 |
| 1166 | Risk Management | 5 | 165 | 604 | 526 |
| 1166 | Freezing | 19 | 165 | 96 | 158 |
| 1166 | Osteoporosis | 9 | 165 | 139 | 241 |
| 1169 | Combinatorial chemistry | 6 | 164 | 669 | 898 |
| 1169 | internet | 8 | 164 | 728 | 824 |