| 1 | Ecology | 2,348 | 182.1K | 20 | 18 |
| 2 | Science | 1,421 | 150.3K | 220 | 193 |
| 3 | Biology | 1,719 | 131.5K | 170 | 218 |
| 4 | Physics | 1,119 | 117.7K | 370 | 259 |
| 5 | Chemistry | 1,534 | 114.1K | 240 | 189 |
| 6 | Meteorology | 1,487 | 93.3K | 8 | 8 |
| 7 | Biochemistry | 1,403 | 91.6K | 261 | 154 |
| 8 | Pollution | 1,127 | 89.0K | 32 | 23 |
| 9 | Environment | 1,043 | 81.7K | 25 | 23 |
| 10 | Geophysics | 1,362 | 72.2K | 46 | 31 |
| 11 | United States | 1,704 | 66.2K | 55 | 35 |
| 12 | Microbiology | 883 | 60.8K | 160 | 140 |
| 13 | Natural history | 319 | 58.0K | 183 | 241 |
| 14 | Molecular Biology | 767 | 56.4K | 325 | 261 |
| 15 | Soil Science | 479 | 55.3K | 18 | 4 |
| 16 | Environmental Health | 994 | 51.6K | 33 | 47 |
| 17 | Atmospheric Physics | 784 | 49.2K | 12 | 13 |
| 18 | Geography | 402 | 45.3K | 29 | 3 |
| 19 | Biodiversity conservation | 365 | 45.2K | 6 | 3 |
| 20 | Botany | 652 | 42.4K | 91 | 68 |
| 21 | Medicine | 870 | 41.8K | 372 | 361 |
| 22 | Climate change | 237 | 40.2K | 3 | 2 |
| 23 | Eutrophication | 236 | 40.2K | 3 | 2 |
| 24 | Biotechnology | 285 | 35.9K | 355 | 138 |
| 25 | Climatology | 493 | 35.5K | 23 | 15 |
| 26 | Research | 865 | 35.3K | 257 | 235 |
| 27 | Environmental Engineering | 630 | 35.0K | 28 | 37 |
| 28 | Atmospheric Chemistry | 402 | 34.0K | 18 | 18 |
| 29 | soil microbiology | 248 | 30.3K | 23 | 13 |
| 30 | Bioengineering | 153 | 28.1K | 380 | 112 |
| 31 | Neurology | 396 | 27.0K | 392 | 321 |
| 32 | Biochemical Engineering | 93 | 26.8K | 466 | 93 |
| 33 | environmental pollution | 596 | 25.8K | 44 | 48 |
| 34 | Planets | 440 | 23.5K | 55 | 51 |
| 35 | Soil biology | 179 | 22.8K | 15 | 9 |
| 36 | Hydrology | 560 | 22.5K | 14 | 22 |
| 37 | Virology | 371 | 21.2K | 131 | 230 |
| 38 | biological evolution | 221 | 21.2K | 77 | 71 |
| 39 | sanitation | 256 | 20.8K | 41 | 43 |
| 40 | Earth Sciences | 218 | 20.3K | 143 | 59 |
| 41 | Agriculture | 386 | 20.1K | 27 | 12 |
| 42 | Cytology | 256 | 20.0K | 360 | 347 |
| 43 | Cell Biology | 220 | 18.5K | 358 | 368 |
| 44 | Evolution | 184 | 18.0K | 89 | 62 |
| 45 | Psychology | 497 | 17.8K | 183 | 188 |
| 46 | Immunology | 262 | 17.4K | 239 | 228 |
| 47 | Environmental Policy | 271 | 16.2K | 53 | 67 |
| 48 | Endocrinology | 271 | 16.1K | 193 | 193 |
| 49 | Plant physiology | 125 | 16.1K | 150 | 53 |
| 50 | Genetics | 309 | 16.0K | 207 | 283 |
| 51 | management | 167 | 15.3K | 231 | 158 |
| 52 | Microbial Ecology | 197 | 15.2K | 98 | 101 |
| 53 | environmental protection | 313 | 15.0K | 29 | 28 |
| 54 | Biogeochemistry | 141 | 15.0K | 30 | 15 |
| 55 | Analytical Chemistry | 244 | 14.8K | 317 | 147 |
| 56 | Materials | 253 | 14.7K | 670 | 495 |
| 57 | Neurophysiology | 232 | 14.7K | 202 | 190 |
| 58 | Physiology | 366 | 14.6K | 198 | 203 |
| 59 | Water | 306 | 14.4K | 51 | 81 |
| 60 | Hydraulic Engineering | 505 | 14.2K | 1 | 2 |
| 61 | ecosystem | 140 | 14.0K | 19 | 7 |
| 62 | Spectrum analysis | 161 | 13.9K | 499 | 324 |
| 63 | Geomorphology | 212 | 13.8K | 14 | 8 |
| 64 | Biophysics | 419 | 13.5K | 333 | 344 |
| 65 | Agricultural Ecology | 229 | 13.2K | 13 | 9 |
| 66 | Plant diseases | 221 | 13.0K | 68 | 37 |
| 67 | Biodiversity | 196 | 12.9K | 37 | 35 |
| 68 | Reproduction | 365 | 12.8K | 36 | 42 |
| 69 | Technology | 261 | 12.8K | 165 | 74 |
| 70 | Plant Ecology | 232 | 12.7K | 18 | 20 |
| 71 | Medical Microbiology | 167 | 12.5K | 125 | 91 |
| 72 | Astrophysics | 86 | 12.3K | 781 | 477 |
| 73 | Statistics | 308 | 12.2K | 90 | 82 |
| 74 | Forest Management | 261 | 11.9K | 16 | 16 |
| 75 | Zoology | 388 | 11.9K | 28 | 33 |
| 76 | Birds | 206 | 11.7K | 29 | 6 |
| 77 | Organic Chemistry | 228 | 11.6K | 146 | 84 |
| 78 | plant molecular biology | 91 | 11.5K | 163 | 109 |
| 79 | Forest Ecology | 224 | 11.0K | 18 | 19 |
| 80 | Behavior | 205 | 10.9K | 202 | 187 |
| 81 | Animal Behavior | 200 | 10.8K | 108 | 107 |
| 82 | Geology | 225 | 10.8K | 249 | 189 |
| 83 | Plants | 140 | 10.7K | 114 | 115 |
| 84 | Plant cells | 94 | 10.6K | 127 | 130 |
| 85 | Vocational guidance | 180 | 10.6K | 27 | 14 |
| 86 | Environmental monitoring | 259 | 10.4K | 88 | 134 |
| 87 | Toxicology | 290 | 10.4K | 233 | 237 |
| 88 | Ethology | 165 | 10.1K | 88 | 86 |
| 89 | Nutrition | 179 | 9.9K | 358 | 263 |
| 90 | Nuclear Physics | 263 | 9.7K | 578 | 490 |
| 91 | Genomics | 283 | 9.7K | 96 | 126 |
| 92 | Ornithology | 108 | 9.3K | 50 | 5 |
| 93 | Agronomy | 217 | 9.2K | 18 | 19 |
| 94 | Entomology | 385 | 9.2K | 51 | 43 |
| 95 | Wildlife conservation | 184 | 9.1K | 16 | 23 |
| 96 | Molecular Genetics | 136 | 9.0K | 95 | 86 |
| 97 | atmospheric models | 159 | 8.9K | 18 | 27 |
| 98 | Optics | 580 | 8.8K | 169 | 241 |
| 99 | Solid State Physics | 278 | 8.8K | 390 | 359 |
| 100 | Epidemiology | 140 | 8.8K | 347 | 225 |
| 101 | plant communities | 125 | 8.7K | 22 | 23 |
| 102 | Ecosystem management | 99 | 8.7K | 9 | 4 |
| 103 | water supply | 173 | 8.7K | 24 | 35 |
| 104 | Psychiatry | 223 | 8.5K | 326 | 392 |
| 105 | marketing | 99 | 8.2K | 139 | 112 |
| 106 | Sustainable Development | 133 | 8.2K | 29 | 34 |
| 107 | Condensed Matter | 261 | 8.1K | 363 | 382 |
| 108 | Animal ecology | 146 | 7.9K | 33 | 28 |
| 109 | Catalysis | 119 | 7.8K | 612 | 427 |
| 110 | Physical Chemistry | 142 | 7.8K | 132 | 117 |
| 111 | Structural Engineering | 271 | 7.8K | 34 | 37 |
| 112 | Biocompatible Materials | 181 | 7.7K | 379 | 459 |
| 113 | freshwater biology | 52 | 7.6K | 58 | 4 |
| 114 | Polymers | 234 | 7.5K | 441 | 407 |
| 115 | Public Health | 202 | 7.5K | 424 | 419 |
| 116 | Chemical Engineering | 114 | 7.4K | 774 | 508 |
| 117 | Climate | 116 | 7.4K | 3 | 3 |
| 118 | Psychophysiology | 227 | 7.2K | 195 | 290 |
| 119 | Population Genetics | 100 | 7.1K | 74 | 65 |
| 120 | Immunity | 83 | 6.9K | 257 | 315 |
| 121 | Analytical Biochemistry | 55 | 6.9K | 175 | 36 |
| 122 | Biomedical Engineering | 190 | 6.9K | 413 | 390 |
| 123 | viruses | 141 | 6.9K | 117 | 155 |
| 124 | Molecular ecology | 83 | 6.9K | 76 | 68 |
| 125 | Mathematics | 473 | 6.7K | 304 | 297 |
| 126 | Conservation Biology | 160 | 6.7K | 19 | 32 |
| 127 | air | 95 | 6.6K | 2 | 3 |
| 128 | Economic Development | 75 | 6.6K | 123 | 55 |
| 129 | Economics | 220 | 6.5K | 322 | 298 |
| 130 | Nanotechnology | 169 | 6.4K | 640 | 709 |
| 131 | Diet | 99 | 6.4K | 209 | 183 |
| 132 | Agricultural Chemistry | 115 | 6.3K | 178 | 105 |
| 133 | Environmental Chemistry | 150 | 6.3K | 57 | 178 |
| 134 | Geochemistry | 129 | 6.2K | 230 | 209 |
| 135 | Colloids | 108 | 6.1K | 581 | 383 |
| 136 | Host-parasite interactions | 91 | 6.0K | 87 | 127 |
| 137 | Fisheries | 196 | 6.0K | 58 | 59 |
| 138 | human behavior | 119 | 6.0K | 197 | 247 |
| 139 | Surface Chemistry | 100 | 6.0K | 598 | 353 |
| 140 | Brain | 98 | 5.9K | 409 | 285 |
| 141 | soil management | 28 | 5.9K | 83 | 12 |
| 142 | Electronics | 164 | 5.7K | 360 | 269 |
| 143 | Membranes | 80 | 5.7K | 203 | 140 |
| 144 | Business | 78 | 5.5K | 202 | 199 |
| 145 | Communication | 158 | 5.5K | 87 | 118 |
| 146 | Aging | 225 | 5.5K | 161 | 213 |
| 147 | Environmental Toxicology | 120 | 5.4K | 109 | 128 |
| 148 | Metabolism | 90 | 5.3K | 416 | 394 |
| 149 | Soil ecology | 58 | 5.3K | 42 | 14 |
| 150 | Human genetics | 16 | 5.3K | 1068 | 743 |
| 151 | Breeding | 127 | 5.3K | 56 | 57 |
| 152 | Quantum Gravity | 99 | 5.2K | 476 | 348 |
| 153 | Social Psychology | 134 | 5.2K | 182 | 226 |
| 154 | Water pollution | 115 | 5.2K | 232 | 246 |
| 155 | atmosphere | 108 | 5.2K | 19 | 8 |
| 156 | Landscape Ecology | 67 | 5.2K | 6 | 7 |
| 157 | polymerization | 165 | 5.2K | 462 | 437 |
| 158 | Neurobiology | 74 | 5.2K | 243 | 228 |
| 159 | weather forecasting | 114 | 5.1K | 3 | 3 |
| 160 | tillage | 25 | 5.0K | 68 | 12 |
| 161 | Environmental Management | 137 | 5.0K | 131 | 184 |
| 162 | Occupational Therapy | 314 | 5.0K | 7 | 10 |
| 163 | Bioorganic chemistry | 90 | 5.0K | 330 | 210 |
| 164 | Pharmaceutical Chemistry | 108 | 4.9K | 525 | 417 |
| 165 | Wildlife management | 201 | 4.9K | 3 | 6 |
| 166 | Signal Processing | 114 | 4.9K | 312 | 290 |
| 167 | Electrochemistry | 224 | 4.8K | 363 | 397 |
| 168 | Materials Science | 199 | 4.8K | 474 | 676 |
| 169 | Bacteriology | 98 | 4.8K | 202 | 234 |
| 170 | Genetic engineering | 66 | 4.7K | 236 | 152 |
| 171 | Social behavior | 35 | 4.7K | 217 | 80 |
| 172 | Geriatrics | 219 | 4.7K | 182 | 251 |
| 173 | Biogeochemical cycles | 60 | 4.6K | 23 | 32 |
| 174 | Water quality management | 183 | 4.6K | 22 | 27 |
| 175 | Hydrometeorology | 69 | 4.6K | 8 | 10 |
| 176 | Agricultural Science | 126 | 4.6K | 4 | 8 |
| 177 | Statistical physics | 197 | 4.5K | 370 | 421 |
| 178 | Developmental Biology | 67 | 4.4K | 331 | 316 |
| 179 | sustainability | 48 | 4.4K | 44 | 31 |
| 180 | Molecular evolution | 86 | 4.4K | 105 | 143 |
| 181 | Sociology | 185 | 4.4K | 178 | 241 |
| 181 | Cognition | 87 | 4.4K | 211 | 188 |
| 183 | Solar Energy | 134 | 4.3K | 32 | 65 |
| 184 | nucleic acids | 58 | 4.3K | 306 | 342 |
| 185 | Entrepreneurship | 21 | 4.3K | 191 | 84 |
| 186 | drainage | 197 | 4.3K | 2 | 2 |
| 187 | Economic History | 100 | 4.2K | 325 | 159 |
| 188 | Diagnostic microbiology | 60 | 4.2K | 143 | 166 |
| 189 | Radiobiology | 159 | 4.2K | 105 | 163 |
| 190 | Developing countries | 74 | 4.2K | 228 | 121 |
| 191 | Virulence | 74 | 4.1K | 111 | 155 |
| 192 | Automation | 57 | 4.1K | 393 | 297 |
| 192 | Insects | 83 | 4.1K | 92 | 54 |
| 194 | gene mapping | 68 | 4.0K | 230 | 231 |
| 195 | proteins | 60 | 3.9K | 306 | 176 |
| 196 | computer networks | 56 | 3.9K | 399 | 156 |
| 197 | Tourism | 84 | 3.9K | 114 | 127 |
| 198 | Chromosome mapping | 63 | 3.8K | 213 | 163 |
| 199 | Gerontology | 177 | 3.8K | 119 | 123 |
| 200 | behavioral medicine | 40 | 3.7K | 222 | 133 |
| 201 | Environmental pollutants | 106 | 3.7K | 117 | 126 |
| 202 | global environmental change | 67 | 3.7K | 38 | 41 |
| 203 | innovation | 13 | 3.6K | 184 | 49 |
| 204 | Computer Science | 11 | 3.6K | 999 | 30 |
| 205 | enzymes | 42 | 3.6K | 238 | 81 |
| 206 | Social Sciences | 188 | 3.6K | 164 | 201 |
| 207 | pollutants | 102 | 3.6K | 90 | 109 |
| 208 | Substance Abuse | 132 | 3.6K | 94 | 100 |
| 209 | Geotechnical Engineering | 80 | 3.5K | 26 | 20 |
| 210 | alcoholism | 119 | 3.5K | 121 | 145 |
| 211 | Medical Oncology | 75 | 3.5K | 267 | 256 |
| 212 | rehabilitation | 82 | 3.5K | 233 | 206 |
| 213 | Neurons | 20 | 3.4K | 218 | 250 |
| 214 | Computational Biology | 82 | 3.4K | 283 | 368 |
| 215 | miniaturization | 46 | 3.4K | 362 | 334 |
| 216 | Venture Capital | 12 | 3.4K | 61 | 40 |
| 217 | Engineering | 127 | 3.3K | 362 | 298 |
| 218 | Radiation | 131 | 3.3K | 96 | 89 |
| 219 | Child psychology | 51 | 3.3K | 273 | 241 |
| 220 | Metabolic diseases | 50 | 3.3K | 498 | 488 |
| 221 | Molecular structure | 45 | 3.2K | 388 | 242 |
| 222 | Histology | 55 | 3.2K | 291 | 196 |
| 223 | Environmental Geology | 82 | 3.2K | 58 | 48 |
| 223 | Clinical Chemistry | 56 | 3.2K | 580 | 376 |
| 225 | water resources | 89 | 3.2K | 6 | 4 |
| 226 | Parasitology | 97 | 3.2K | 179 | 161 |
| 227 | genome | 44 | 3.2K | 271 | 330 |
| 228 | Child Development | 58 | 3.1K | 325 | 260 |
| 229 | Groundwater | 86 | 3.1K | 18 | 18 |
| 230 | cell physiology | 39 | 3.1K | 313 | 243 |
| 231 | counseling | 128 | 3.1K | 84 | 97 |
| 232 | Memory | 90 | 3.1K | 223 | 231 |
| 233 | Production Management | 27 | 3.0K | 259 | 133 |
| 234 | Positive Psychology | 16 | 3.0K | 19 | 7 |
| 235 | solar cells | 34 | 3.0K | 116 | 41 |
| 236 | Telecommunication | 104 | 3.0K | 317 | 363 |
| 237 | Biogeography | 47 | 3.0K | 109 | 121 |
| 238 | rivers | 72 | 3.0K | 1 | 1 |
| 239 | Animal breeding | 88 | 3.0K | 47 | 34 |
| 240 | world | 51 | 3.0K | 50 | 53 |
| 241 | Oceanography | 85 | 2.9K | 258 | 284 |
| 242 | Pharmacology | 106 | 2.9K | 941 | 1007 |
| 243 | Environmental Law | 58 | 2.9K | 99 | 142 |
| 244 | Restoration Ecology | 56 | 2.9K | 9 | 7 |
| 245 | Leisure | 43 | 2.9K | 21 | 9 |
| 246 | Food | 92 | 2.9K | 310 | 362 |
| 247 | Soil fertility | 21 | 2.9K | 52 | 14 |
| 248 | Energy Policy | 61 | 2.8K | 375 | 396 |
| 249 | Geochemical Modeling | 79 | 2.8K | 11 | 23 |
| 249 | geological modeling | 79 | 2.8K | 11 | 23 |
| 251 | Education | 197 | 2.8K | 240 | 355 |
| 252 | drug addiction | 92 | 2.8K | 109 | 143 |
| 253 | older people | 165 | 2.8K | 100 | 92 |
| 254 | Industrial Safety | 56 | 2.8K | 87 | 51 |
| 255 | Neurochemistry | 66 | 2.7K | 442 | 437 |
| 256 | transport vesicles | 2 | 2.7K | 340 | 230 |
| 257 | Operations Research | 31 | 2.7K | 613 | 233 |
| 258 | Astronomy | 48 | 2.7K | 881 | 776 |
| 259 | Development | 39 | 2.7K | 89 | 56 |
| 260 | Sleep | 22 | 2.6K | 528 | 188 |
| 261 | Photonics | 72 | 2.6K | 321 | 360 |
| 261 | energy resources | 49 | 2.6K | 152 | 219 |
| 263 | Civil Engineering | 155 | 2.6K | 45 | 33 |
| 264 | polar regions | 62 | 2.6K | 37 | 17 |
| 265 | Learning | 53 | 2.6K | 178 | 179 |
| 266 | Meteorites | 34 | 2.6K | 259 | 215 |
| 267 | Sleep Disorders | 19 | 2.6K | 575 | 185 |
| 268 | California | 111 | 2.5K | 12 | 19 |
| 269 | mammals | 95 | 2.5K | 39 | 39 |
| 270 | Economic Assistance | 30 | 2.5K | 103 | 56 |
| 271 | Cancer | 53 | 2.5K | 846 | 863 |
| 272 | Plant breeding | 45 | 2.5K | 80 | 34 |
| 273 | Environmental Microbiology | 30 | 2.5K | 267 | 198 |
| 274 | Artificial Intelligence | 75 | 2.5K | 580 | 587 |
| 275 | irrigation | 141 | 2.5K | 3 | 7 |
| 276 | Systems Biology | 57 | 2.5K | 160 | 95 |
| 277 | Anthropology | 81 | 2.5K | 165 | 119 |
| 278 | health services | 28 | 2.5K | 218 | 75 |
| 279 | Freshwater invertebrates | 29 | 2.5K | 10 | 9 |
| 280 | Fishery management | 96 | 2.4K | 32 | 40 |
| 281 | Recombinant DNA | 15 | 2.4K | 627 | 126 |
| 282 | Nonlinear Dynamics | 92 | 2.4K | 269 | 295 |
| 283 | Combinatorial chemistry | 27 | 2.4K | 159 | 95 |
| 284 | Food Microbiology | 61 | 2.4K | 101 | 138 |
| 285 | Embryology | 35 | 2.4K | 399 | 337 |
| 286 | Phylogeny | 45 | 2.3K | 80 | 84 |
| 287 | Attention | 77 | 2.3K | 223 | 229 |
| 288 | Molecular cloning | 13 | 2.3K | 653 | 120 |
| 288 | Genetic recombination | 13 | 2.3K | 637 | 115 |
| 290 | Natural resources | 54 | 2.3K | 53 | 64 |
| 291 | protein | 32 | 2.3K | 268 | 178 |
| 292 | hazard mitigation | 65 | 2.3K | 21 | 16 |
| 293 | Adolescent | 100 | 2.3K | 187 | 226 |
| 294 | Child | 70 | 2.3K | 334 | 278 |
| 295 | mycoses | 12 | 2.3K | 300 | 145 |
| 296 | Bacterial infections | 11 | 2.3K | 336 | 156 |
| 297 | Industrial Microbiology | 37 | 2.3K | 330 | 237 |
| 298 | personality | 44 | 2.3K | 298 | 278 |
| 299 | biological invasions | 64 | 2.2K | 13 | 21 |
| 300 | Perception | 76 | 2.2K | 270 | 292 |
| 301 | Chemical analysis | 30 | 2.2K | 193 | 47 |
| 302 | psychotherapy | 44 | 2.2K | 246 | 230 |
| 303 | Medical Laboratory Science | 61 | 2.2K | 277 | 386 |
| 304 | energy conservation | 41 | 2.2K | 366 | 390 |
| 305 | Biomechanics | 63 | 2.2K | 160 | 196 |
| 306 | Software Engineering | 47 | 2.2K | 125 | 112 |
| 307 | Obesity | 72 | 2.1K | 277 | 371 |
| 308 | Green Chemistry | 37 | 2.1K | 376 | 351 |
| 309 | Veterinary Immunology | 82 | 2.1K | 20 | 20 |
| 310 | Magnetic Resonance Spectroscopy | 74 | 2.1K | 121 | 112 |
| 311 | Health Education | 83 | 2.1K | 214 | 217 |
| 312 | disease vectors | 65 | 2.1K | 54 | 66 |
| 313 | Ocean Engineering | 70 | 2.1K | 252 | 248 |
| 314 | Bioinorganic chemistry | 61 | 2.1K | 122 | 101 |
| 315 | Hormones | 27 | 2.0K | 341 | 201 |
| 316 | Parasites | 52 | 2.0K | 169 | 124 |
| 317 | Vaccines | 72 | 2.0K | 232 | 273 |
| 318 | nuclear magnetic resonance | 68 | 2.0K | 132 | 130 |
| 319 | Environmentalism | 22 | 2.0K | 5 | 4 |
| 320 | Political Science | 64 | 2.0K | 259 | 198 |
| 321 | infection | 54 | 1.9K | 243 | 259 |
| 322 | Visual Perception | 68 | 1.9K | 242 | 263 |
| 323 | Light | 35 | 1.9K | 152 | 270 |
| 324 | carcinogens | 30 | 1.9K | 176 | 127 |
| 325 | Renewable Energy Sources | 27 | 1.9K | 748 | 727 |
| 326 | Earthquake Engineering | 69 | 1.9K | 193 | 215 |
| 327 | Nervous system | 39 | 1.9K | 615 | 588 |
| 328 | Information Theory | 38 | 1.9K | 284 | 209 |
| 329 | mutagens | 29 | 1.9K | 162 | 118 |
| 330 | Carbohydrates | 18 | 1.9K | 87 | 33 |
| 331 | Carcinogenesis | 29 | 1.9K | 198 | 136 |
| 332 | Quantum electronics | 104 | 1.9K | 146 | 190 |
| 333 | coal | 57 | 1.9K | 210 | 254 |
| 334 | Marine Biology | 64 | 1.9K | 478 | 493 |
| 335 | Small Business | 22 | 1.9K | 133 | 159 |
| 336 | Rural Development | 34 | 1.8K | 40 | 24 |
| 337 | Growth | 15 | 1.8K | 471 | 346 |
| 338 | glycoproteins | 17 | 1.8K | 114 | 35 |
| 338 | Glycoconjugates | 17 | 1.8K | 114 | 35 |
| 338 | glycolipids | 17 | 1.8K | 114 | 35 |
| 341 | commerce | 10 | 1.8K | 755 | 211 |
| 342 | Nanostructured Materials | 64 | 1.8K | 679 | 757 |
| 343 | Neuropsychology | 43 | 1.8K | 509 | 435 |
| 344 | mass transfer | 46 | 1.8K | 300 | 284 |
| 345 | Oligosaccharide | 16 | 1.8K | 64 | 29 |
| 346 | Developmental Psychology | 26 | 1.8K | 259 | 181 |
| 347 | Agricultural systems | 36 | 1.8K | 30 | 25 |
| 348 | biological factors | 40 | 1.8K | 306 | 253 |
| 349 | Cosmochemistry | 45 | 1.8K | 93 | 107 |
| 350 | Suicide | 27 | 1.8K | 80 | 34 |
| 351 | food technology | 101 | 1.7K | 235 | 411 |
| 352 | Family | 73 | 1.7K | 84 | 113 |
| 353 | Proteome | 23 | 1.7K | 327 | 233 |
| 354 | Health promotion | 63 | 1.7K | 138 | 174 |
| 355 | Molecular Microbiology | 22 | 1.7K | 248 | 235 |
| 356 | Geobiology | 51 | 1.7K | 25 | 19 |
| 357 | Soil Mechanics | 43 | 1.7K | 218 | 177 |
| 358 | solar power | 24 | 1.7K | 140 | 74 |
| 359 | Ergonomics | 114 | 1.7K | 69 | 97 |
| 360 | Probability | 27 | 1.7K | 85 | 50 |
| 360 | Health | 57 | 1.7K | 320 | 335 |
| 362 | Sports Medicine | 84 | 1.7K | 326 | 439 |
| 363 | United Kingdom | 36 | 1.6K | 341 | 338 |
| 364 | Protozoa | 6 | 1.6K | 267 | 45 |
| 365 | child abuse | 25 | 1.6K | 193 | 120 |
| 366 | Educational Psychology | 47 | 1.6K | 241 | 249 |
| 367 | Remote Sensing | 45 | 1.6K | 175 | 92 |
| 368 | Andrology | 28 | 1.6K | 85 | 29 |
| 369 | Hematology | 41 | 1.6K | 900 | 845 |
| 370 | Wireless Communication Systems | 55 | 1.6K | 459 | 418 |
| 371 | forest policy | 63 | 1.6K | 22 | 18 |
| 372 | Respiration | 52 | 1.6K | 244 | 288 |
| 373 | Mycology | 62 | 1.6K | 198 | 288 |
| 374 | Mental Health | 47 | 1.6K | 257 | 191 |
| 375 | Family Therapy | 89 | 1.6K | 29 | 52 |
| 376 | Androgens | 22 | 1.6K | 22 | 10 |
| 376 | Radiation effects | 45 | 1.6K | 20 | 37 |
| 378 | Image Processing | 41 | 1.5K | 522 | 500 |
| 379 | Physical Therapy | 47 | 1.5K | 210 | 252 |
| 380 | Parasitic Diseases | 48 | 1.5K | 283 | 317 |
| 381 | Risk Management | 32 | 1.5K | 68 | 51 |
| 382 | lasers | 93 | 1.5K | 232 | 295 |
| 383 | Radio | 52 | 1.5K | 312 | 383 |
| 384 | Ore deposits | 19 | 1.5K | 153 | 64 |
| 385 | Risk | 34 | 1.5K | 48 | 69 |
| 386 | probabilities | 45 | 1.5K | 225 | 87 |
| 387 | Business Ethics | 22 | 1.4K | 198 | 211 |
| 388 | Insect biochemistry | 27 | 1.4K | 69 | 53 |
| 389 | Financial management | 27 | 1.4K | 52 | 57 |
| 390 | Solid State Chemistry | 52 | 1.4K | 485 | 380 |
| 390 | animal diseases | 61 | 1.4K | 17 | 26 |
| 392 | Sports | 77 | 1.4K | 269 | 375 |
| 393 | Numerical Analysis | 55 | 1.4K | 344 | 255 |
| 394 | Immunotherapy | 19 | 1.4K | 719 | 525 |
| 395 | Occupational Health | 72 | 1.4K | 66 | 100 |
| 396 | Bones | 21 | 1.4K | 226 | 183 |
| 397 | Medical innovations | 15 | 1.4K | 353 | 358 |
| 398 | Aerosols | 46 | 1.4K | 78 | 81 |
| 399 | Hydrodynamics | 22 | 1.4K | 141 | 81 |
| 400 | Microelectronics | 25 | 1.4K | 626 | 522 |
| 401 | Biomass Energy | 38 | 1.4K | 524 | 671 |
| 402 | Mineralogy | 29 | 1.4K | 410 | 294 |
| 403 | Composite Materials | 42 | 1.4K | 685 | 773 |
| 403 | Bioinformatics | 44 | 1.4K | 406 | 538 |
| 405 | Data Mining | 35 | 1.4K | 236 | 302 |
| 406 | Chemical Ecology | 42 | 1.4K | 50 | 78 |
| 407 | drug development | 16 | 1.3K | 327 | 331 |
| 408 | Medical Anthropology | 31 | 1.3K | 270 | 312 |
| 409 | Chromosomes | 46 | 1.3K | 103 | 165 |
| 410 | Solar power plants | 10 | 1.3K | 71 | 19 |
| 410 | Photovoltaic Cells | 10 | 1.3K | 71 | 19 |
| 412 | data collection | 31 | 1.3K | 137 | 223 |
| 413 | Aquatic ecology | 54 | 1.3K | 56 | 74 |
| 414 | Computer Vision | 22 | 1.3K | 336 | 301 |
| 415 | pheromones | 40 | 1.3K | 49 | 76 |
| 416 | Microorganisms | 17 | 1.3K | 317 | 270 |
| 417 | Fertilizers | 19 | 1.3K | 86 | 37 |
| 418 | biological monitoring | 40 | 1.3K | 18 | 26 |
| 419 | Physical Geography | 25 | 1.3K | 51 | 26 |
| 420 | behavior therapy | 36 | 1.3K | 182 | 169 |
| 421 | adolescence | 36 | 1.3K | 163 | 187 |
| 422 | Clinical Psychology | 50 | 1.2K | 212 | 359 |
| 423 | natural disasters | 52 | 1.2K | 67 | 164 |
| 424 | Heat Exchangers | 7 | 1.2K | 843 | 211 |
| 425 | Computer Graphics | 29 | 1.2K | 474 | 339 |
| 425 | Developmental Disabilities | 59 | 1.2K | 135 | 245 |
| 427 | Regional Planning | 65 | 1.2K | 158 | 269 |
| 428 | Counseling Psychology | 17 | 1.2K | 59 | 37 |
| 429 | preventive medicine | 33 | 1.2K | 247 | 283 |
| 430 | Europe | 36 | 1.2K | 803 | 571 |
| 431 | Land use | 44 | 1.2K | 92 | 135 |
| 432 | energy development | 22 | 1.2K | 127 | 231 |
| 433 | China | 57 | 1.2K | 495 | 452 |
| 434 | internet | 24 | 1.2K | 420 | 305 |
| 435 | Fluid Mechanics | 59 | 1.2K | 223 | 281 |
| 435 | Intellectual disability | 64 | 1.2K | 80 | 133 |
| 437 | Internet of Things | 19 | 1.2K | 362 | 227 |
| 438 | Biometrics | 48 | 1.2K | 175 | 209 |
| 439 | Energy Conversion | 14 | 1.2K | 588 | 535 |
| 440 | Medical Physics | 21 | 1.2K | 673 | 498 |
| 440 | Social work | 78 | 1.2K | 140 | 182 |
| 442 | Anatomy | 46 | 1.2K | 387 | 504 |
| 443 | Comparative Physiology | 31 | 1.1K | 129 | 131 |
| 444 | Medical genetics | 17 | 1.1K | 1291 | 1166 |
| 444 | Mental Health Services | 37 | 1.1K | 239 | 189 |
| 446 | Archaeology | 52 | 1.1K | 218 | 209 |
| 447 | Zoonoses | 40 | 1.1K | 8 | 12 |
| 448 | environmental exposure | 59 | 1.1K | 175 | 369 |
| 449 | nanoscience | 36 | 1.1K | 850 | 1035 |
| 450 | Organic Geochemistry | 20 | 1.1K | 88 | 92 |
| 451 | Youth | 28 | 1.1K | 117 | 132 |
| 452 | Electrochemical Analysis | 36 | 1.1K | 301 | 252 |
| 453 | industrial hygiene | 101 | 1.1K | 21 | 37 |
| 454 | RNA | 23 | 1.1K | 86 | 94 |
| 455 | cryosphere | 28 | 1.1K | 83 | 99 |
| 456 | natural products | 16 | 1.1K | 683 | 305 |
| 457 | Sustainable agriculture | 26 | 1.1K | 104 | 88 |
| 458 | Immune system | 8 | 1.1K | 612 | 535 |
| 459 | families | 66 | 1.0K | 62 | 117 |
| 460 | city planning | 57 | 1.0K | 184 | 271 |
| 461 | finance | 54 | 1.0K | 401 | 500 |
| 462 | Marine Meteorology | 17 | 1.0K | 145 | 110 |
| 462 | Steroids | 21 | 1.0K | 292 | 188 |
| 464 | environmental indicators | 24 | 1.0K | 203 | 189 |
| 464 | Fire ecology | 23 | 1.0K | 6 | 4 |
| 466 | organization | 21 | 1.0K | 208 | 273 |
| 467 | Marriage | 41 | 1.0K | 51 | 60 |
| 468 | Smart Materials | 10 | 1.0K | 445 | 147 |
| 469 | Sustainable Engineering | 30 | 997 | 359 | 455 |
| 470 | Telecommunication Systems | 29 | 994 | 339 | 173 |
| 470 | child behavior | 7 | 994 | 221 | 81 |
| 472 | Plasma devices | 10 | 992 | 141 | 68 |
| 473 | Communication in medicine | 28 | 989 | 88 | 81 |
| 474 | Mental Disorders | 32 | 987 | 833 | 1009 |
| 474 | Freeze-Drying | 25 | 987 | 35 | 26 |
| 474 | Hypothermia | 25 | 987 | 35 | 26 |
| 474 | Freeze Drying | 25 | 987 | 35 | 26 |
| 478 | Leadership | 15 | 984 | 108 | 132 |
| 479 | gene therapy | 14 | 983 | 457 | 322 |
| 480 | Organizational Behavior | 25 | 982 | 101 | 175 |
| 480 | Elderly | 108 | 982 | 109 | 103 |
| 482 | Experimental Psychology | 25 | 980 | 138 | 144 |
| 483 | Speech | 40 | 968 | 165 | 219 |
| 484 | structural stability | 24 | 963 | 44 | 55 |
| 485 | Decision making | 27 | 961 | 313 | 303 |
| 486 | Wetland ecology | 44 | 953 | 16 | 38 |
| 487 | Proteomics | 27 | 951 | 226 | 297 |
| 488 | Genetic therapy | 17 | 946 | 426 | 329 |
| 489 | Speech Disorders | 31 | 934 | 261 | 246 |
| 490 | Quality Control | 56 | 932 | 118 | 289 |
| 490 | children | 5 | 932 | 326 | 86 |
| 492 | Structural design | 24 | 928 | 148 | 134 |
| 492 | Optical materials | 31 | 928 | 850 | 1004 |
| 494 | behavior modification | 6 | 925 | 273 | 132 |
| 495 | Rock Mechanics | 24 | 924 | 254 | 224 |
| 496 | Neuroendocrinology | 6 | 917 | 53 | 37 |
| 497 | Electrical Engineering | 124 | 908 | 399 | 641 |
| 498 | Population | 13 | 903 | 331 | 169 |
| 499 | Public Administration | 27 | 900 | 335 | 253 |
| 500 | Plant tissue culture | 26 | 899 | 111 | 114 |
| 500 | visualization | 73 | 899 | 161 | 182 |
| 500 | Plant cell culture | 26 | 899 | 86 | 112 |
| 503 | feeding behavior | 33 | 897 | 113 | 171 |
| 504 | public works | 15 | 895 | 16 | 5 |
| 505 | Human evolution | 24 | 893 | 99 | 117 |
| 506 | radiative transfer | 28 | 886 | 108 | 88 |
| 507 | Building | 43 | 876 | 46 | 58 |
| 508 | Socialization | 20 | 871 | 119 | 121 |
| 509 | Geriatric Psychiatry | 21 | 867 | 273 | 195 |
| 510 | Vocational Education | 48 | 860 | 33 | 49 |
| 511 | Stem cells | 17 | 857 | 638 | 545 |
| 512 | economic policy | 48 | 849 | 408 | 415 |
| 513 | Multivariate Analysis | 28 | 845 | 70 | 83 |
| 514 | Invertebrates | 22 | 844 | 118 | 85 |
| 515 | Genes | 38 | 841 | 146 | 221 |
| 516 | actuators | 24 | 839 | 743 | 739 |
| 516 | transducers | 24 | 839 | 743 | 739 |
| 518 | Child welfare | 51 | 834 | 127 | 188 |
| 519 | consumer behavior | 18 | 833 | 105 | 133 |
| 520 | air quality management | 25 | 826 | 43 | 67 |
| 521 | role | 17 | 821 | 92 | 85 |
| 522 | Pharmacy | 24 | 820 | 697 | 608 |
| 523 | organizational effectiveness | 23 | 811 | 34 | 37 |
| 524 | forestry | 26 | 805 | 35 | 36 |
| 525 | Public Relations | 40 | 795 | 24 | 48 |
| 526 | Geomagnetism | 23 | 792 | 202 | 152 |
| 527 | Infections | 13 | 785 | 508 | 440 |
| 528 | Orthopedics | 18 | 784 | 641 | 468 |
| 528 | Lipids | 19 | 784 | 417 | 439 |
| 528 | Bacteria | 6 | 784 | 193 | 96 |
| 531 | Wetland conservation | 37 | 782 | 15 | 42 |
| 531 | Wetlands | 37 | 782 | 15 | 42 |
| 533 | ethnobiology | 6 | 780 | 90 | 23 |
| 533 | drugs | 28 | 780 | 578 | 577 |
| 535 | Dermatology | 7 | 779 | 1216 | 545 |
| 536 | Ophthalmology | 41 | 777 | 463 | 627 |
| 536 | Human Capital | 26 | 777 | 14 | 17 |
| 538 | Ventilation | 21 | 776 | 103 | 91 |
| 538 | prostaglandins | 22 | 776 | 98 | 84 |
| 540 | Human Geography | 23 | 772 | 295 | 234 |
| 541 | Classification | 5 | 768 | 159 | 56 |
| 542 | indoor air pollution | 19 | 760 | 62 | 77 |
| 542 | Sick building syndrome | 19 | 760 | 62 | 77 |
| 544 | Electrophoresis | 23 | 759 | 462 | 405 |
| 545 | Scandinavia | 38 | 757 | 56 | 94 |
| 546 | Plant genetic engineering | 16 | 756 | 316 | 320 |
| 547 | Organometallic compounds | 21 | 750 | 377 | 297 |
| 547 | biopolymers | 32 | 750 | 282 | 357 |
| 549 | Algae | 38 | 745 | 109 | 199 |
| 550 | Engineering Geology | 15 | 742 | 606 | 398 |
| 551 | software | 17 | 735 | 286 | 226 |
| 552 | Mathematical Physics | 45 | 732 | 690 | 768 |
| 553 | animals | 35 | 730 | 190 | 195 |
| 554 | Community Psychology | 18 | 729 | 152 | 181 |
| 555 | Teaching | 31 | 728 | 373 | 369 |
| 556 | Diabetes mellitus | 19 | 727 | 801 | 933 |
| 557 | Plant Genetics | 16 | 723 | 232 | 299 |
| 558 | Cybernetics | 23 | 722 | 469 | 547 |
| 559 | Pathology | 25 | 721 | 765 | 925 |
| 560 | Fisheries Law | 19 | 718 | 26 | 37 |
| 560 | fisheries management | 19 | 718 | 26 | 37 |
| 562 | Intelligent Transportation Systems | 7 | 716 | 743 | 338 |
| 563 | violence | 26 | 711 | 236 | 261 |
| 564 | Australia | 29 | 710 | 410 | 366 |
| 564 | fertility | 24 | 710 | 306 | 435 |
| 566 | starch | 22 | 706 | 38 | 46 |
| 567 | Radio waves | 31 | 703 | 263 | 333 |
| 568 | Photochemistry | 29 | 699 | 359 | 450 |
| 569 | Biosensors | 20 | 694 | 405 | 610 |
| 570 | Oncogenes | 12 | 691 | 600 | 693 |
| 570 | Malaria | 13 | 691 | 295 | 182 |
| 572 | Transportation | 57 | 685 | 271 | 527 |
| 573 | Econometrics | 30 | 684 | 338 | 393 |
| 574 | Women's health | 17 | 674 | 400 | 253 |
| 575 | System analysis | 40 | 673 | 460 | 660 |
| 576 | complementary therapies | 21 | 672 | 391 | 321 |
| 577 | Phytotherapy | 6 | 671 | 357 | 73 |
| 578 | Dietetics | 55 | 670 | 75 | 173 |
| 579 | bioclimatology | 24 | 669 | 133 | 169 |
| 580 | Alternative Medicine | 20 | 666 | 369 | 315 |
| 581 | eugenics | 26 | 664 | 75 | 88 |
| 582 | livestock | 63 | 662 | 31 | 59 |
| 583 | Criminology | 26 | 655 | 248 | 229 |
| 584 | Cytoskeleton | 10 | 647 | 98 | 53 |
| 585 | Signal Transduction | 10 | 645 | 786 | 662 |
| 586 | Medical Technology | 18 | 635 | 522 | 447 |
| 586 | Diabetes | 15 | 635 | 1000 | 1032 |
| 588 | Money | 2 | 632 | 464 | 52 |
| 589 | embryonic development | 16 | 631 | 97 | 80 |
| 590 | Mechanical Engineering | 49 | 629 | 497 | 591 |
| 591 | Phytochemistry | 12 | 628 | 38 | 19 |
| 591 | Phytoremediation | 12 | 628 | 38 | 19 |
| 591 | environmental remediation | 12 | 628 | 52 | 22 |
| 591 | Bioreactors | 12 | 628 | 38 | 19 |
| 595 | Appetite | 23 | 623 | 134 | 193 |
| 596 | Genetic algorithms | 19 | 622 | 63 | 166 |
| 597 | Credit | 1 | 621 | 241 | 16 |
| 598 | Drug delivery systems | 5 | 618 | 1284 | 642 |
| 598 | Allergy | 12 | 618 | 603 | 744 |
| 600 | Psycholinguistics | 14 | 615 | 366 | 334 |
| 601 | Engineering Mathematics | 33 | 614 | 371 | 401 |
| 602 | Genetic regulation | 16 | 613 | 419 | 575 |
| 602 | consumers | 16 | 613 | 55 | 66 |
| 604 | Soft Condensed Matter | 29 | 609 | 279 | 379 |
| 605 | Smoking | 26 | 606 | 209 | 279 |
| 605 | Molecules | 32 | 606 | 366 | 449 |
| 607 | Evolutionary Computation | 19 | 605 | 89 | 199 |
| 608 | Fungi | 13 | 604 | 445 | 437 |
| 609 | Cardiovascular system | 13 | 603 | 758 | 963 |
| 609 | cell movement | 7 | 603 | 112 | 60 |
| 611 | Photography | 275 | 602 | 86 | 146 |
| 612 | Hazardous waste | 13 | 600 | 321 | 370 |
| 613 | Cognitive neuroscience | 17 | 597 | 374 | 482 |
| 613 | Learning disabilities | 19 | 597 | 250 | 218 |
| 615 | Ecological Genetics | 27 | 595 | 65 | 65 |
| 616 | Quality of life | 16 | 593 | 494 | 521 |
| 616 | Auditing | 8 | 593 | 171 | 84 |
| 618 | Experimental Design | 23 | 590 | 53 | 99 |
| 619 | Export Marketing | 4 | 588 | 141 | 52 |
| 620 | Plant Biotechnology | 14 | 585 | 284 | 258 |
| 620 | Socioeconomic Factors | 23 | 585 | 152 | 176 |
| 622 | Organizational learning | 15 | 581 | 42 | 30 |
| 622 | epilepsy | 8 | 581 | 544 | 257 |
| 622 | Seaweed | 33 | 581 | 79 | 197 |
| 625 | Geodynamics | 6 | 577 | 637 | 359 |
| 626 | Pediatrics | 20 | 575 | 929 | 1143 |
| 627 | Cytogenetics | 18 | 574 | 537 | 811 |
| 628 | International Finance | 24 | 570 | 462 | 516 |
| 629 | Transgenic plants | 10 | 567 | 181 | 132 |
| 630 | Radiology | 38 | 565 | 309 | 384 |
| 631 | Public Policy | 29 | 562 | 422 | 566 |
| 632 | Metallurgy | 19 | 559 | 955 | 840 |
| 633 | Ethnobotany | 4 | 557 | 110 | 39 |
| 633 | Traditional medicine | 4 | 557 | 124 | 39 |
| 633 | Ethnomedicine | 4 | 557 | 110 | 39 |
| 636 | Career development | 24 | 555 | 37 | 35 |
| 637 | Cell differentiation | 16 | 554 | 738 | 1011 |
| 638 | Developmental Neurobiology | 12 | 553 | 162 | 97 |
| 639 | Molecular Pharmacology | 6 | 550 | 571 | 325 |
| 640 | Pharmacognosy | 12 | 546 | 875 | 734 |
| 640 | Neurosurgery | 1 | 546 | 1615 | 395 |
| 642 | Magnetic Materials | 15 | 541 | 740 | 568 |
| 643 | Ecohydrology | 23 | 540 | 22 | 43 |
| 644 | Sales management | 10 | 537 | 86 | 157 |
| 644 | selling | 10 | 537 | 86 | 157 |
| 646 | Music | 12 | 534 | 337 | 139 |
| 646 | Animal welfare | 11 | 534 | 69 | 49 |
| 646 | Microscopy | 17 | 534 | 425 | 364 |
| 649 | Algebra | 59 | 530 | 183 | 192 |
| 650 | Developmental Genetics | 8 | 529 | 318 | 399 |
| 651 | Adolescent Psychology | 24 | 528 | 197 | 323 |
| 651 | Business communication | 14 | 528 | 39 | 18 |
| 653 | Research Design | 22 | 525 | 315 | 436 |
| 654 | mathematical analysis | 49 | 524 | 530 | 600 |
| 655 | Environmental Economics | 21 | 523 | 32 | 75 |
| 655 | Cognitive Science | 22 | 523 | 414 | 613 |
| 657 | Stochastic Processes | 26 | 518 | 129 | 132 |
| 657 | Community Colleges | 29 | 518 | 21 | 10 |
| 657 | Sound | 20 | 518 | 346 | 304 |
| 660 | Plasma polymerization | 23 | 516 | 26 | 48 |
| 661 | Physical fitness | 12 | 514 | 438 | 357 |
| 662 | drug therapy | 15 | 513 | 1054 | 1005 |
| 663 | Reproductive toxicology | 6 | 511 | 256 | 131 |
| 664 | Orthopedic Surgery | 6 | 508 | 597 | 248 |
| 665 | DNA repair | 10 | 507 | 106 | 87 |
| 666 | Clinical Biochemistry | 8 | 506 | 720 | 431 |
| 667 | Animal genetics | 19 | 504 | 175 | 182 |
| 667 | Atomic spectroscopy | 28 | 504 | 240 | 316 |
| 669 | Microbial Genetics | 11 | 503 | 114 | 127 |
| 670 | health behavior | 21 | 502 | 269 | 328 |
| 670 | Parallel Processing | 20 | 502 | 129 | 204 |
| 670 | phytopathogenic bacteria | 7 | 502 | 142 | 121 |
| 670 | Mechanics | 19 | 502 | 371 | 286 |
| 674 | Hydrogeology | 16 | 500 | 173 | 162 |
| 675 | Nanostructures | 19 | 498 | 680 | 936 |
| 676 | Systems Engineering | 54 | 496 | 298 | 719 |
| 676 | Semiconductors | 20 | 496 | 781 | 594 |
| 676 | Microwaves | 17 | 496 | 613 | 455 |
| 679 | Nondestructive testing | 28 | 494 | 91 | 147 |
| 679 | Radiography | 12 | 494 | 380 | 464 |
| 681 | mutation | 21 | 493 | 134 | 258 |
| 682 | Oncology | 18 | 492 | 919 | 1609 |
| 682 | sexual behavior | 14 | 492 | 217 | 215 |
| 684 | Genetic translocation | 1 | 491 | 391 | 40 |
| 684 | plasmids | 1 | 491 | 391 | 40 |
| 686 | International Relations | 23 | 486 | 284 | 250 |
| 687 | drug abuse | 29 | 480 | 119 | 175 |
| 688 | Gender Studies | 11 | 479 | 167 | 94 |
| 689 | Eating Disorders | 20 | 478 | 271 | 334 |
| 689 | Feeding and Eating Disorders | 20 | 478 | 258 | 319 |
| 691 | Food Policy | 24 | 474 | 42 | 129 |
| 691 | Control Theory | 25 | 474 | 567 | 593 |
| 693 | Cerebral cortex | 7 | 472 | 613 | 479 |
| 694 | Urban Policy | 13 | 468 | 261 | 233 |
| 694 | Therapeutics | 17 | 468 | 682 | 889 |
| 696 | urban forestry | 18 | 466 | 21 | 38 |
| 696 | Aggression | 10 | 466 | 191 | 176 |
| 698 | Plasma chemistry | 21 | 464 | 59 | 83 |
| 699 | Social welfare | 16 | 463 | 181 | 129 |
| 699 | Real Estate Investment | 20 | 463 | 20 | 20 |
| 699 | weather | 23 | 463 | 58 | 139 |
| 702 | technical education | 19 | 462 | 130 | 96 |
| 703 | Queer Studies | 9 | 458 | 79 | 60 |
| 703 | homosexuality | 13 | 458 | 99 | 96 |
| 705 | Building Materials | 23 | 451 | 586 | 944 |
| 705 | Happiness | 8 | 451 | 139 | 98 |
| 707 | Emotions | 12 | 450 | 248 | 294 |
| 708 | extraterrestrial environment | 20 | 449 | 141 | 114 |
| 709 | Cross-Cultural Studies | 8 | 445 | 353 | 150 |
| 709 | occupational diseases | 16 | 445 | 242 | 319 |
| 711 | Marriage counseling | 18 | 443 | 59 | 90 |
| 712 | Protein folding | 22 | 442 | 4 | 16 |
| 712 | cell membrane | 10 | 442 | 278 | 294 |
| 712 | prions | 22 | 442 | 3 | 5 |
| 715 | Transport | 11 | 439 | 242 | 237 |
| 715 | Sea | 11 | 439 | 215 | 190 |
| 715 | Fishery resources | 11 | 439 | 233 | 206 |
| 718 | agricultural policy | 19 | 437 | 39 | 110 |
| 719 | Psychopharmacology | 9 | 436 | 901 | 884 |
| 719 | Toxins | 23 | 436 | 140 | 237 |
| 721 | auditory perception | 7 | 433 | 265 | 176 |
| 722 | Schizophrenia | 13 | 432 | 502 | 557 |
| 722 | Environmental risk assessment | 17 | 432 | 61 | 77 |
| 724 | Obstetrics | 12 | 431 | 1298 | 1052 |
| 724 | Computer-Aided Design | 15 | 431 | 447 | 406 |
| 726 | Metals | 20 | 428 | 861 | 997 |
| 727 | Food preferences | 13 | 426 | 110 | 139 |
| 728 | Industrial Ecology | 1 | 425 | 371 | 99 |
| 728 | Inflammation | 4 | 425 | 1027 | 553 |
| 728 | environmental control | 15 | 425 | 42 | 57 |
| 731 | Carbon | 15 | 424 | 539 | 813 |
| 732 | women's rights | 27 | 423 | 13 | 20 |
| 732 | Quantum Optics | 24 | 423 | 197 | 241 |
| 732 | Laser Spectroscopy | 24 | 423 | 176 | 225 |
| 735 | Primates | 25 | 422 | 157 | 227 |
| 736 | primary prevention | 16 | 421 | 105 | 106 |
| 737 | Animal Biotechnology | 10 | 420 | 44 | 30 |
| 737 | Ethnology | 19 | 420 | 396 | 316 |
| 737 | Combinatorial analysis | 33 | 420 | 173 | 183 |
| 740 | Textile industry | 28 | 418 | 88 | 83 |
| 741 | Nanoelectronics | 12 | 417 | 388 | 170 |
| 741 | Memory disorders | 14 | 417 | 56 | 75 |
| 743 | Transplantation | 4 | 416 | 986 | 670 |
| 744 | Sedimentology | 13 | 414 | 192 | 235 |
| 744 | Futures | 18 | 414 | 44 | 57 |
| 744 | language | 16 | 414 | 266 | 353 |
| 747 | Biomolecules | 6 | 410 | 284 | 210 |
| 748 | Infertility | 10 | 407 | 515 | 564 |
| 748 | Foodborne diseases | 22 | 407 | 32 | 57 |
| 748 | Africa | 24 | 407 | 354 | 304 |
| 751 | Nanoparticles | 14 | 406 | 862 | 928 |
| 752 | disaster relief | 4 | 405 | 152 | 47 |
| 753 | North America | 36 | 404 | 117 | 193 |
| 754 | greenhouse effect | 9 | 402 | 10 | 11 |
| 754 | peptides | 12 | 402 | 282 | 155 |
| 754 | Carbon dioxide | 9 | 402 | 10 | 11 |
| 757 | Magnetism | 7 | 401 | 86 | 3 |
| 758 | Drug design | 10 | 400 | 801 | 685 |
| 759 | wood | 25 | 399 | 97 | 119 |
| 760 | Neurotoxicology | 12 | 397 | 170 | 222 |
| 760 | Adult Education | 46 | 397 | 43 | 82 |
| 762 | Roads | 37 | 394 | 174 | 233 |
| 762 | Tropical Medicine | 14 | 394 | 748 | 616 |
| 764 | peace | 5 | 392 | 327 | 174 |
| 765 | Consumer education | 11 | 391 | 74 | 102 |
| 766 | Robotics | 25 | 390 | 508 | 740 |
| 766 | Mass Spectrometry | 18 | 390 | 443 | 525 |
| 766 | Asia | 30 | 390 | 659 | 779 |
| 769 | Humanities | 22 | 389 | 360 | 256 |
| 769 | Political Sociology | 6 | 389 | 284 | 145 |
| 771 | Pharmaceutical Technology | 1 | 387 | 2429 | 683 |
| 771 | catalytic activity | 1 | 387 | 986 | 273 |
| 773 | Process Control | 10 | 386 | 425 | 552 |
| 774 | Environmental Education | 14 | 385 | 74 | 85 |
| 775 | drug resistance | 2 | 384 | 1065 | 254 |
| 775 | cross-cultural comparison | 6 | 384 | 328 | 111 |
| 775 | Brain damage | 10 | 384 | 179 | 167 |
| 778 | Morphology | 17 | 383 | 221 | 211 |
| 779 | Semiconductor industry | 6 | 381 | 456 | 152 |
| 780 | Herpetology | 24 | 380 | 34 | 32 |
| 781 | Biomass | 17 | 377 | 126 | 296 |
| 782 | Gene expression regulation | 15 | 376 | 366 | 543 |
| 783 | Computer Engineering | 40 | 374 | 54 | 199 |
| 784 | Evolutionary Genetics | 13 | 372 | 161 | 191 |
| 784 | Molecular Epidemiology | 13 | 372 | 161 | 191 |
| 784 | Oral communication | 31 | 372 | 35 | 121 |
| 787 | Bioenergetics | 8 | 371 | 455 | 407 |
| 787 | Energy metabolism | 8 | 371 | 347 | 342 |
| 789 | physical therapy techniques | 24 | 370 | 14 | 21 |
| 789 | Reptiles | 21 | 370 | 28 | 28 |
| 791 | Organizational change | 15 | 369 | 173 | 235 |
| 791 | Mental illness | 23 | 369 | 651 | 1225 |
| 793 | Acoustics | 15 | 368 | 126 | 111 |
| 793 | Animal Nutrition | 16 | 368 | 194 | 201 |
| 793 | Speech acoustics | 15 | 368 | 43 | 97 |
| 796 | gastrointestinal tract | 6 | 367 | 193 | 178 |
| 797 | Exercise | 20 | 366 | 410 | 502 |
| 798 | Microcirculation | 7 | 364 | 260 | 167 |
| 798 | cell interaction | 7 | 364 | 670 | 570 |
| 800 | Differential Equations | 15 | 362 | 366 | 295 |
| 800 | Organometallic chemistry | 17 | 362 | 793 | 671 |
| 802 | Distance Education | 4 | 361 | 263 | 100 |
| 803 | Post-traumatic stress disorder | 8 | 360 | 422 | 378 |
| 804 | Political Psychology | 5 | 358 | 237 | 161 |
| 804 | Histochemistry | 8 | 358 | 626 | 409 |
| 804 | child mental health | 24 | 358 | 90 | 150 |
| 804 | venom | 18 | 358 | 159 | 253 |
| 808 | Coastal zone management | 17 | 357 | 151 | 231 |
| 809 | Transportation Engineering | 17 | 356 | 67 | 112 |
| 809 | Qualitative Research | 5 | 356 | 345 | 154 |
| 811 | Industrial Engineering | 14 | 354 | 787 | 834 |
| 812 | family studies | 5 | 352 | 15 | 11 |
| 812 | Parenting | 5 | 352 | 21 | 14 |
| 812 | Child rearing | 5 | 352 | 21 | 14 |
| 812 | Disease | 9 | 352 | 117 | 588 |
| 816 | Fracture mechanics | 10 | 351 | 840 | 637 |
| 816 | Consumer Protection | 8 | 351 | 62 | 50 |
| 816 | Sites | 12 | 351 | 216 | 284 |
| 819 | Work | 17 | 350 | 57 | 92 |
| 820 | Oxidation-reduction | 3 | 349 | 881 | 638 |
| 821 | Peptide | 8 | 341 | 103 | 51 |
| 822 | Paleontology | 16 | 339 | 522 | 524 |
| 823 | Geodesy | 17 | 337 | 167 | 222 |
| 824 | Minerals | 11 | 336 | 254 | 225 |
| 824 | Consciousness | 12 | 336 | 149 | 170 |
| 824 | conflict management | 6 | 336 | 143 | 94 |
| 827 | Fiber Optics | 10 | 335 | 561 | 437 |
| 828 | Human Resources | 10 | 334 | 159 | 218 |
| 829 | Antioxidants | 2 | 333 | 981 | 562 |
| 829 | free radicals | 9 | 333 | 814 | 985 |
| 831 | Mass Media | 20 | 331 | 172 | 129 |
| 831 | social justice | 32 | 331 | 12 | 15 |
| 831 | Bioelectronics | 11 | 331 | 532 | 869 |
| 834 | Veterinary Pathology | 17 | 328 | 64 | 57 |
| 834 | Neurovirology | 8 | 328 | 114 | 92 |
| 834 | clay | 6 | 328 | 503 | 408 |
| 834 | Vision | 12 | 328 | 300 | 363 |
| 838 | Statistical Mechanics | 24 | 327 | 151 | 220 |
| 839 | Psychosomatic Medicine | 3 | 324 | 803 | 447 |
| 840 | Ecological Engineering | 16 | 322 | 118 | 315 |
| 841 | Radio wave propagation | 19 | 321 | 206 | 209 |
| 842 | International security | 3 | 320 | 211 | 122 |
| 843 | human development | 14 | 318 | 300 | 411 |
| 844 | Atmospheric Science | 20 | 317 | 23 | 62 |
| 844 | Physical organic chemistry | 12 | 317 | 709 | 644 |
| 846 | Corporate governance | 2 | 316 | 735 | 193 |
| 847 | locomotion | 9 | 315 | 339 | 326 |
| 847 | posture | 9 | 315 | 339 | 326 |
| 847 | Cell adhesion | 4 | 315 | 111 | 65 |
| 847 | gait | 9 | 315 | 339 | 326 |
| 847 | walking | 9 | 315 | 339 | 326 |
| 852 | Cartography | 13 | 314 | 110 | 57 |
| 853 | Environmental Psychology | 10 | 313 | 114 | 237 |
| 853 | Psychometrics | 11 | 313 | 194 | 226 |
| 853 | Religion and Sociology | 2 | 313 | 289 | 17 |
| 856 | ecotourism | 13 | 312 | 37 | 65 |
| 857 | Educational Technology | 18 | 311 | 479 | 631 |
| 858 | Paleogeography | 11 | 309 | 488 | 547 |
| 859 | Paleoecology | 15 | 307 | 458 | 583 |
| 859 | Environmental Sociology | 7 | 307 | 5 | 2 |
| 859 | mathematical concepts | 21 | 307 | 56 | 81 |
| 862 | Nephrology | 2 | 306 | 719 | 383 |
| 862 | Kidney diseases | 2 | 306 | 1253 | 516 |
| 864 | Divorce | 18 | 304 | 13 | 16 |
| 865 | Biopharmaceutics | 8 | 302 | 639 | 629 |
| 866 | Paleoclimatology | 14 | 298 | 509 | 650 |
| 867 | Nuclear Engineering | 34 | 297 | 472 | 614 |
| 867 | Geriatric Oncology | 7 | 297 | 357 | 313 |
| 867 | Cardiovascular diseases | 5 | 297 | 1341 | 845 |
| 870 | Urology | 4 | 296 | 1571 | 1092 |
| 871 | Ceramic materials | 11 | 294 | 662 | 611 |
| 872 | Erosion | 10 | 291 | 18 | 16 |
| 872 | analysis | 6 | 291 | 201 | 174 |
| 874 | Crystallography | 19 | 290 | 645 | 499 |
| 875 | herbicides | 12 | 289 | 94 | 79 |
| 876 | Epigenetics | 10 | 286 | 36 | 29 |
| 876 | Food Preservation | 15 | 286 | 212 | 183 |
| 876 | Combustion | 25 | 286 | 373 | 679 |
| 876 | Measurement | 10 | 286 | 684 | 550 |
| 876 | Epigenomics | 10 | 286 | 35 | 26 |
| 881 | Feminism | 16 | 285 | 157 | 169 |
| 881 | histological techniques | 8 | 285 | 396 | 492 |
| 883 | toxicity testing | 9 | 284 | 309 | 323 |
| 884 | traffic safety | 20 | 283 | 47 | 70 |
| 885 | Petroleum Engineering | 11 | 282 | 385 | 368 |
| 886 | food handling | 14 | 281 | 264 | 478 |
| 886 | movement | 8 | 281 | 130 | 131 |
| 888 | Mechatronics | 11 | 280 | 391 | 443 |
| 888 | Antigens | 9 | 280 | 499 | 474 |
| 888 | health planning | 27 | 280 | 558 | 946 |
| 891 | Nuclear Chemistry | 32 | 279 | 226 | 372 |
| 891 | Fish diseases | 12 | 279 | 30 | 43 |
| 891 | Aquatic animals | 12 | 279 | 34 | 43 |
| 894 | Particle Physics | 1 | 278 | 373 | 159 |
| 894 | blood transfusion | 13 | 278 | 320 | 338 |
| 894 | Elementary particles | 1 | 278 | 278 | 146 |
| 897 | Intelligent Control Systems | 4 | 277 | 1031 | 241 |
| 897 | industrial relations | 22 | 277 | 210 | 292 |
| 899 | data protection | 5 | 276 | 399 | 123 |
| 900 | Social problems | 20 | 273 | 134 | 316 |
| 901 | body temperature | 20 | 272 | 38 | 133 |
| 901 | Amphibians | 18 | 272 | 28 | 26 |
| 903 | Photobiology | 7 | 271 | 829 | 674 |
| 904 | Chemotherapy | 6 | 270 | 1001 | 827 |
| 905 | Solar System | 4 | 268 | 700 | 485 |
| 906 | food contamination | 17 | 267 | 245 | 361 |
| 906 | Structure-activity relationship | 2 | 267 | 334 | 158 |
| 908 | Health Policy | 18 | 266 | 808 | 1231 |
| 909 | Japan | 14 | 265 | 822 | 736 |
| 910 | occupational health and safety | 21 | 264 | 33 | 53 |
| 910 | Semigroups | 14 | 264 | 48 | 11 |
| 912 | Optical Communications | 13 | 263 | 318 | 327 |
| 912 | Performance | 12 | 263 | 89 | 156 |
| 914 | Pharmacokinetics | 10 | 262 | 378 | 486 |
| 914 | Thrombosis | 9 | 262 | 645 | 668 |
| 914 | Heterocyclic compounds | 9 | 262 | 536 | 243 |
| 917 | disabilities | 13 | 261 | 278 | 343 |
| 917 | economic development projects | 4 | 261 | 126 | 48 |
| 919 | Genetic Toxicology | 9 | 258 | 179 | 311 |
| 919 | Systems Analysis | 24 | 258 | 237 | 465 |
| 919 | Petrology | 9 | 258 | 570 | 594 |
| 922 | Cultural diversity | 6 | 257 | 104 | 89 |
| 923 | Mites | 12 | 256 | 140 | 109 |
| 924 | Earthquakes | 17 | 255 | 125 | 152 |
| 924 | radioactive waste | 9 | 255 | 363 | 695 |
| 924 | industrial waste | 9 | 255 | 387 | 696 |
| 927 | Sedimentary rocks | 4 | 254 | 517 | 315 |
| 927 | Fashion | 15 | 254 | 18 | 20 |
| 929 | Travel | 11 | 253 | 314 | 308 |
| 930 | Social Change | 6 | 251 | 667 | 785 |
| 930 | cloning | 4 | 251 | 606 | 633 |
| 932 | Bacteriophages | 4 | 250 | 14 | 18 |
| 932 | Economic planning | 12 | 250 | 140 | 200 |
| 934 | Plant Pathology | 16 | 249 | 32 | 59 |
| 934 | Writing | 6 | 249 | 150 | 111 |
| 936 | Food service management | 10 | 248 | 134 | 313 |
| 936 | Cognitive Therapy | 16 | 248 | 196 | 319 |
| 936 | food consumption | 2 | 248 | 80 | 31 |
| 939 | Telemedicine | 3 | 247 | 343 | 156 |
| 939 | Human-Computer Interaction | 12 | 247 | 677 | 845 |
| 941 | Culture | 19 | 246 | 301 | 317 |
| 942 | Maternal health services | 10 | 245 | 145 | 170 |
| 942 | soil conservation | 11 | 245 | 266 | 391 |
| 944 | calcification | 9 | 243 | 266 | 333 |
| 945 | Communication in politics | 9 | 241 | 78 | 56 |
| 946 | Plant Taxonomy | 11 | 239 | 178 | 178 |
| 946 | Pesticides | 15 | 239 | 177 | 245 |
| 946 | Waterways | 23 | 239 | 11 | 30 |
| 946 | Harbors | 23 | 239 | 11 | 30 |
| 946 | research and development | 1 | 239 | 744 | 201 |
| 951 | Continuing Education | 38 | 238 | 33 | 86 |
| 952 | environmental issues | 15 | 237 | 87 | 221 |
| 953 | Critical Care | 6 | 234 | 1086 | 1344 |
| 953 | Critical Care Medicine | 6 | 234 | 1071 | 1338 |
| 953 | plant viruses | 14 | 234 | 55 | 104 |
| 956 | Tribology | 9 | 233 | 711 | 663 |
| 957 | Software Maintenance | 7 | 232 | 54 | 28 |
| 957 | Music Therapy | 27 | 232 | 18 | 38 |
| 959 | Special Education | 12 | 231 | 315 | 309 |
| 959 | Personality Assessment | 9 | 231 | 273 | 380 |
| 961 | Food additives | 11 | 230 | 558 | 836 |
| 961 | Student Health Services | 14 | 230 | 84 | 126 |
| 963 | Immunopathology | 6 | 229 | 956 | 923 |
| 963 | sex crimes | 14 | 229 | 216 | 299 |
| 965 | emergency management | 10 | 228 | 248 | 352 |
| 965 | heredity | 5 | 228 | 495 | 317 |
| 967 | Machine Learning | 3 | 227 | 353 | 217 |
| 968 | Kinetics | 9 | 226 | 189 | 166 |
| 969 | land degradation | 9 | 225 | 156 | 234 |
| 969 | degradation | 9 | 225 | 156 | 234 |
| 971 | Community Psychiatry | 17 | 224 | 317 | 639 |
| 971 | Infection control | 3 | 224 | 351 | 151 |
| 971 | Crisis Intervention | 5 | 224 | 100 | 70 |
| 971 | Astrocytes | 2 | 224 | 566 | 445 |
| 975 | Journalism | 17 | 223 | 129 | 163 |
| 975 | Structural Equation Modeling | 1 | 223 | 208 | 83 |
| 975 | Sun | 3 | 223 | 388 | 236 |
| 978 | Aquaculture | 19 | 222 | 520 | 841 |
| 979 | Criminal psychology | 15 | 221 | 277 | 401 |
| 979 | Surface-Active Agents | 4 | 221 | 1027 | 797 |
| 979 | Surface properties | 4 | 221 | 1104 | 881 |
| 982 | School Psychology | 15 | 219 | 148 | 266 |
| 982 | Radiochemistry | 27 | 219 | 237 | 372 |
| 982 | Technology Assessment | 4 | 219 | 296 | 242 |
| 982 | Well-being | 2 | 219 | 207 | 46 |
| 982 | Relationships | 8 | 219 | 62 | 95 |
| 987 | Religion | 18 | 218 | 251 | 169 |
| 987 | Approximation Theory | 33 | 218 | 44 | 119 |
| 989 | Plant Morphology | 6 | 217 | 342 | 212 |
| 990 | Magnetohydrodynamics | 20 | 216 | 99 | 173 |
| 990 | Scheduling | 2 | 216 | 167 | 49 |
| 990 | Production Scheduling | 2 | 216 | 167 | 49 |
| 990 | Technological Innovations | 11 | 216 | 403 | 588 |
| 994 | Hemostasis | 6 | 215 | 575 | 448 |
| 994 | Communication in marketing | 5 | 215 | 65 | 57 |
| 994 | Mortgages | 9 | 215 | 85 | 94 |
| 994 | Peasants | 4 | 215 | 57 | 46 |
| 998 | Feminist Economics | 9 | 214 | 10 | 44 |
| 999 | Gene library | 1 | 213 | 188 | 59 |
| 999 | Acarology | 8 | 213 | 121 | 106 |