| 1 | Astrophysics | 1,204 | 94.8K | 120 | 113 |
| 2 | Astronomy | 1,208 | 70.2K | 98 | 116 |
| 3 | Physics | 714 | 60.9K | 534 | 424 |
| 4 | Spectrum analysis | 864 | 57.7K | 92 | 95 |
| 5 | Science | 585 | 56.6K | 483 | 379 |
| 6 | Biology | 693 | 55.8K | 395 | 380 |
| 7 | Nuclear Physics | 845 | 43.1K | 268 | 194 |
| 8 | Ecology | 558 | 34.6K | 248 | 241 |
| 9 | Chemistry | 615 | 33.1K | 619 | 532 |
| 10 | Natural history | 166 | 31.4K | 284 | 325 |
| 11 | Meteorology | 361 | 31.1K | 77 | 46 |
| 12 | Psychology | 504 | 30.4K | 184 | 117 |
| 13 | Environment | 273 | 27.2K | 281 | 197 |
| 14 | Mathematics | 825 | 26.6K | 158 | 45 |
| 15 | Climatology | 271 | 25.9K | 48 | 24 |
| 16 | Geophysics | 419 | 23.5K | 209 | 132 |
| 17 | management | 171 | 23.1K | 229 | 112 |
| 18 | Biochemistry | 453 | 19.9K | 743 | 631 |
| 19 | Molecular Biology | 371 | 19.7K | 610 | 534 |
| 20 | Pollution | 208 | 19.4K | 443 | 248 |
| 21 | Oceanography | 352 | 17.9K | 42 | 46 |
| 22 | Medicine | 439 | 16.5K | 608 | 614 |
| 23 | Psychophysiology | 244 | 15.4K | 205 | 159 |
| 24 | United States | 421 | 13.9K | 220 | 201 |
| 25 | Planets | 209 | 13.9K | 111 | 72 |
| 26 | Public Health | 425 | 13.7K | 210 | 245 |
| 27 | Nanotechnology | 155 | 13.4K | 638 | 390 |
| 28 | Microbiology | 244 | 11.9K | 580 | 545 |
| 29 | Neurology | 247 | 11.6K | 509 | 513 |
| 30 | Research | 377 | 11.5K | 569 | 583 |
| 31 | Quantum Gravity | 235 | 11.5K | 267 | 236 |
| 32 | Earth Sciences | 99 | 11.4K | 388 | 118 |
| 33 | Environmental Health | 178 | 11.2K | 435 | 312 |
| 34 | Behavior | 181 | 10.0K | 240 | 216 |
| 35 | Geochemistry | 131 | 9.9K | 223 | 142 |
| 36 | Automation | 145 | 9.8K | 163 | 133 |
| 37 | Geology | 230 | 9.5K | 240 | 216 |
| 38 | Neuropsychology | 222 | 9.1K | 94 | 91 |
| 39 | Biodiversity conservation | 63 | 9.0K | 218 | 135 |
| 40 | Marine Biology | 238 | 8.9K | 98 | 106 |
| 41 | Fisheries | 172 | 8.7K | 59 | 26 |
| 42 | Biophysics | 248 | 8.4K | 553 | 522 |
| 43 | Botany | 209 | 8.0K | 366 | 405 |
| 44 | Mathematical Physics | 120 | 7.8K | 356 | 171 |
| 45 | Sociology | 237 | 7.7K | 135 | 173 |
| 46 | Climate change | 27 | 7.4K | 248 | 125 |
| 46 | Eutrophication | 27 | 7.4K | 241 | 124 |
| 48 | Education | 210 | 7.4K | 243 | 165 |
| 49 | Social Psychology | 126 | 7.4K | 213 | 186 |
| 50 | Biogeochemistry | 45 | 7.3K | 191 | 50 |
| 51 | Wireless Communication Systems | 243 | 7.1K | 89 | 122 |
| 52 | Business | 55 | 7.0K | 326 | 151 |
| 53 | Biomedical Engineering | 206 | 7.0K | 363 | 372 |
| 54 | Biotechnology | 106 | 6.9K | 854 | 649 |
| 55 | Geriatrics | 281 | 6.5K | 121 | 173 |
| 56 | Psychiatry | 153 | 6.5K | 416 | 429 |
| 57 | nanoscience | 35 | 6.4K | 796 | 285 |
| 58 | Aging | 257 | 6.4K | 128 | 173 |
| 59 | environmental pollution | 124 | 6.4K | 467 | 388 |
| 60 | Genetics | 134 | 6.3K | 365 | 445 |
| 61 | Analytical Chemistry | 110 | 6.1K | 686 | 421 |
| 62 | Medical Physics | 174 | 6.1K | 99 | 97 |
| 63 | Telecommunication | 211 | 6.0K | 144 | 205 |
| 64 | Marine Meteorology | 85 | 6.0K | 31 | 21 |
| 65 | Cognition | 126 | 6.0K | 156 | 148 |
| 66 | biological evolution | 90 | 6.0K | 242 | 251 |
| 67 | Computer Graphics | 91 | 6.0K | 158 | 86 |
| 68 | Brain | 129 | 5.9K | 322 | 293 |
| 69 | marketing | 36 | 5.7K | 457 | 163 |
| 70 | Economics | 184 | 5.7K | 411 | 335 |
| 71 | Entrepreneurship | 29 | 5.7K | 126 | 57 |
| 72 | Environmental Psychology | 35 | 5.7K | 10 | 6 |
| 73 | Electrochemistry | 217 | 5.6K | 388 | 349 |
| 74 | Evolution | 86 | 5.6K | 222 | 216 |
| 75 | Hydrology | 120 | 5.5K | 185 | 152 |
| 76 | Endocrinology | 93 | 5.5K | 420 | 384 |
| 77 | Microwaves | 144 | 5.5K | 77 | 42 |
| 78 | Biodiversity | 69 | 5.4K | 238 | 140 |
| 79 | Human genetics | 17 | 5.4K | 713 | 507 |
| 80 | Bioengineering | 79 | 5.3K | 668 | 519 |
| 81 | Software Engineering | 122 | 5.3K | 18 | 21 |
| 82 | Cytology | 123 | 5.2K | 562 | 663 |
| 83 | Child Development | 100 | 5.2K | 205 | 186 |
| 84 | Teaching | 87 | 5.2K | 136 | 63 |
| 85 | Environmental Policy | 89 | 5.2K | 315 | 282 |
| 86 | Atmospheric Physics | 54 | 5.1K | 282 | 176 |
| 87 | Materials | 88 | 5.1K | 1265 | 907 |
| 88 | Sports Medicine | 96 | 5.1K | 288 | 167 |
| 89 | Renewable Energy Sources | 62 | 5.0K | 341 | 320 |
| 90 | Genomics | 101 | 4.9K | 323 | 250 |
| 91 | Electronics | 122 | 4.9K | 401 | 269 |
| 92 | Cell Biology | 99 | 4.9K | 577 | 668 |
| 93 | Cosmochemistry | 18 | 4.8K | 263 | 23 |
| 94 | human behavior | 71 | 4.8K | 346 | 315 |
| 95 | Geography | 163 | 4.8K | 131 | 158 |
| 96 | Epidemiology | 145 | 4.8K | 305 | 306 |
| 97 | Environmental Engineering | 63 | 4.7K | 582 | 384 |
| 98 | alcoholism | 128 | 4.5K | 103 | 104 |
| 99 | Proteome | 49 | 4.5K | 131 | 54 |
| 100 | Gerontology | 244 | 4.5K | 74 | 90 |
| 101 | Organic Geochemistry | 9 | 4.5K | 161 | 15 |
| 102 | Health | 209 | 4.5K | 75 | 126 |
| 103 | Neurophysiology | 118 | 4.4K | 366 | 444 |
| 104 | Physical fitness | 54 | 4.4K | 71 | 33 |
| 105 | Water pollution | 97 | 4.3K | 287 | 305 |
| 106 | Engineering | 107 | 4.3K | 430 | 232 |
| 107 | energy conservation | 68 | 4.3K | 222 | 216 |
| 108 | gene mapping | 57 | 4.3K | 247 | 185 |
| 109 | Zoology | 133 | 4.2K | 189 | 155 |
| 110 | Signal Processing | 158 | 4.2K | 214 | 299 |
| 111 | Experimental Psychology | 32 | 4.1K | 96 | 34 |
| 112 | Animal Behavior | 68 | 4.1K | 319 | 265 |
| 113 | atmosphere | 66 | 4.1K | 27 | 8 |
| 114 | sanitation | 36 | 4.1K | 323 | 266 |
| 115 | health planning | 145 | 4.0K | 46 | 47 |
| 116 | Social Sciences | 146 | 4.0K | 225 | 199 |
| 117 | Atmospheric Chemistry | 29 | 4.0K | 248 | 155 |
| 118 | Diet | 45 | 4.0K | 360 | 249 |
| 119 | Optics | 148 | 4.0K | 573 | 450 |
| 120 | behavioral medicine | 68 | 3.9K | 120 | 125 |
| 121 | Child psychology | 74 | 3.9K | 218 | 226 |
| 122 | Physiology | 105 | 3.8K | 599 | 567 |
| 123 | Proteomics | 54 | 3.8K | 69 | 50 |
| 124 | Public Policy | 134 | 3.8K | 69 | 88 |
| 125 | Chromosome mapping | 50 | 3.7K | 238 | 142 |
| 126 | miniaturization | 52 | 3.6K | 290 | 275 |
| 127 | Immunology | 66 | 3.5K | 591 | 541 |
| 128 | Surface Chemistry | 94 | 3.5K | 633 | 567 |
| 129 | Cognitive neuroscience | 40 | 3.5K | 197 | 170 |
| 130 | Developmental Biology | 76 | 3.4K | 277 | 341 |
| 131 | Substance Abuse | 130 | 3.4K | 80 | 93 |
| 132 | Anthropology | 150 | 3.4K | 104 | 83 |
| 133 | Catalysis | 93 | 3.3K | 717 | 780 |
| 134 | Wildlife conservation | 47 | 3.3K | 148 | 113 |
| 135 | Materials Science | 55 | 3.3K | 1087 | 774 |
| 136 | Tourism | 34 | 3.3K | 295 | 170 |
| 137 | Research Design | 50 | 3.3K | 137 | 107 |
| 138 | Control Theory | 63 | 3.2K | 257 | 130 |
| 139 | Nursing | 151 | 3.2K | 68 | 70 |
| 140 | Adolescent | 142 | 3.2K | 125 | 166 |
| 141 | mathematical analysis | 153 | 3.2K | 151 | 95 |
| 142 | Psycholinguistics | 44 | 3.2K | 148 | 104 |
| 143 | Plant cells | 28 | 3.2K | 325 | 305 |
| 144 | Microbial Ecology | 57 | 3.1K | 381 | 411 |
| 145 | Conservation Biology | 39 | 3.1K | 147 | 94 |
| 146 | Ethology | 40 | 3.1K | 357 | 268 |
| 147 | atmospheric models | 30 | 3.1K | 136 | 75 |
| 148 | Medical Anthropology | 64 | 3.1K | 138 | 155 |
| 149 | Molecular structure | 18 | 3.1K | 951 | 220 |
| 150 | organization | 31 | 3.1K | 143 | 138 |
| 151 | innovation | 15 | 3.1K | 150 | 71 |
| 152 | Photonics | 55 | 3.1K | 355 | 303 |
| 153 | Nanostructured Materials | 86 | 3.0K | 512 | 520 |
| 154 | Biogeochemical cycles | 43 | 3.0K | 44 | 58 |
| 155 | System analysis | 100 | 3.0K | 170 | 152 |
| 156 | Economic History | 102 | 3.0K | 319 | 246 |
| 156 | Human Geography | 72 | 3.0K | 103 | 95 |
| 158 | Venture Capital | 11 | 3.0K | 68 | 53 |
| 159 | Transport | 51 | 3.0K | 37 | 22 |
| 160 | drug addiction | 91 | 3.0K | 99 | 122 |
| 161 | Water | 86 | 2.9K | 302 | 465 |
| 162 | internet | 82 | 2.9K | 91 | 106 |
| 163 | older people | 193 | 2.9K | 78 | 78 |
| 164 | Fishery resources | 51 | 2.9K | 35 | 17 |
| 165 | Sea | 50 | 2.9K | 31 | 15 |
| 166 | Molecular Genetics | 49 | 2.9K | 321 | 290 |
| 167 | Energy Policy | 56 | 2.9K | 402 | 392 |
| 168 | Colloids | 66 | 2.8K | 817 | 707 |
| 169 | Vaccines | 26 | 2.8K | 424 | 148 |
| 170 | Marine Pollution | 61 | 2.8K | 72 | 72 |
| 171 | preventive medicine | 36 | 2.8K | 214 | 132 |
| 172 | Internet of Things | 74 | 2.8K | 84 | 93 |
| 173 | United Kingdom | 28 | 2.8K | 394 | 204 |
| 174 | Memory | 53 | 2.8K | 315 | 245 |
| 175 | Biometrics | 48 | 2.8K | 168 | 99 |
| 176 | Cybernetics | 51 | 2.7K | 226 | 212 |
| 177 | Small Business | 16 | 2.7K | 201 | 98 |
| 178 | Oncology | 16 | 2.7K | 742 | 536 |
| 179 | Virology | 42 | 2.6K | 630 | 652 |
| 180 | Operations Research | 37 | 2.6K | 587 | 262 |
| 181 | Nervous system | 69 | 2.6K | 359 | 411 |
| 182 | commerce | 28 | 2.6K | 285 | 171 |
| 183 | health behavior | 82 | 2.5K | 72 | 89 |
| 184 | Microelectronics | 39 | 2.5K | 389 | 312 |
| 185 | Environmental monitoring | 56 | 2.5K | 685 | 660 |
| 186 | Biocompatible Materials | 65 | 2.5K | 792 | 890 |
| 187 | Geomorphology | 44 | 2.5K | 219 | 161 |
| 188 | Population Genetics | 36 | 2.5K | 245 | 202 |
| 188 | Mental Disorders | 82 | 2.5K | 349 | 492 |
| 190 | energy development | 16 | 2.5K | 179 | 107 |
| 191 | Molecular Microbiology | 33 | 2.4K | 189 | 183 |
| 192 | Health promotion | 66 | 2.4K | 121 | 122 |
| 193 | personality | 39 | 2.4K | 345 | 291 |
| 193 | drug control | 74 | 2.4K | 20 | 17 |
| 195 | Meteorites | 35 | 2.4K | 247 | 235 |
| 196 | Palliative Care | 53 | 2.4K | 72 | 45 |
| 197 | Agriculture | 40 | 2.4K | 372 | 230 |
| 198 | Toxicology | 58 | 2.4K | 968 | 833 |
| 199 | Perception | 62 | 2.3K | 298 | 270 |
| 200 | Minority Health | 3 | 2.3K | 58 | 18 |
| 201 | Sustainable Development | 45 | 2.3K | 203 | 195 |
| 202 | Ocean Engineering | 59 | 2.3K | 282 | 226 |
| 203 | Environmental Management | 51 | 2.3K | 489 | 500 |
| 204 | Molecular ecology | 30 | 2.3K | 245 | 225 |
| 205 | adolescence | 72 | 2.3K | 79 | 110 |
| 206 | Political Science | 68 | 2.3K | 261 | 196 |
| 207 | government | 128 | 2.2K | 31 | 46 |
| 208 | Information Science | 56 | 2.2K | 322 | 316 |
| 209 | Plant physiology | 30 | 2.2K | 617 | 440 |
| 210 | computer networks | 106 | 2.2K | 184 | 285 |
| 211 | environmental protection | 60 | 2.1K | 520 | 582 |
| 212 | plant communities | 25 | 2.1K | 286 | 202 |
| 213 | proteins | 51 | 2.1K | 326 | 271 |
| 214 | International Relations | 75 | 2.1K | 95 | 79 |
| 215 | Economic Development | 38 | 2.1K | 272 | 234 |
| 216 | Organic Chemistry | 72 | 2.1K | 609 | 574 |
| 217 | Health Education | 90 | 2.1K | 198 | 210 |
| 218 | Immunotherapy | 8 | 2.1K | 924 | 300 |
| 219 | Europe | 76 | 2.1K | 446 | 375 |
| 220 | Molecular evolution | 39 | 2.0K | 251 | 258 |
| 221 | Medical Technology | 48 | 2.0K | 149 | 112 |
| 222 | Bacteriology | 52 | 2.0K | 344 | 416 |
| 223 | Environmental Chemistry | 40 | 1.9K | 329 | 426 |
| 224 | Statistical physics | 47 | 1.9K | 961 | 724 |
| 225 | Dementia | 50 | 1.9K | 238 | 133 |
| 226 | Light | 27 | 1.9K | 202 | 265 |
| 227 | Restoration Ecology | 38 | 1.9K | 21 | 20 |
| 228 | Liposomes | 5 | 1.9K | 415 | 52 |
| 228 | Lipid bilayers | 5 | 1.9K | 355 | 48 |
| 230 | software | 39 | 1.9K | 71 | 48 |
| 231 | Statistics | 104 | 1.9K | 336 | 390 |
| 232 | Manufacturing Processes | 45 | 1.9K | 466 | 332 |
| 233 | Mechatronics | 28 | 1.8K | 156 | 68 |
| 234 | Developmental Disabilities | 36 | 1.8K | 187 | 168 |
| 234 | drugs | 39 | 1.8K | 383 | 251 |
| 236 | Plants | 26 | 1.8K | 586 | 459 |
| 237 | Medical Microbiology | 34 | 1.8K | 527 | 481 |
| 238 | Geomagnetism | 50 | 1.8K | 89 | 64 |
| 239 | Child | 60 | 1.8K | 343 | 321 |
| 240 | energy resources | 41 | 1.8K | 181 | 309 |
| 241 | global environmental change | 28 | 1.8K | 116 | 118 |
| 242 | Pharmacology | 45 | 1.8K | 1292 | 1134 |
| 243 | Technology | 60 | 1.8K | 703 | 634 |
| 244 | Power Electronics | 38 | 1.8K | 211 | 226 |
| 245 | Developmental Psychology | 31 | 1.8K | 230 | 195 |
| 246 | Production Management | 12 | 1.8K | 515 | 285 |
| 247 | Agricultural Ecology | 18 | 1.8K | 290 | 179 |
| 248 | Immunity | 23 | 1.7K | 551 | 560 |
| 249 | Cancer | 28 | 1.7K | 900 | 766 |
| 250 | Sports | 71 | 1.7K | 304 | 336 |
| 251 | Growth | 31 | 1.7K | 283 | 326 |
| 252 | Cognitive Science | 22 | 1.7K | 426 | 285 |
| 253 | Alzheimer's disease | 46 | 1.7K | 263 | 176 |
| 254 | Mobile Computing | 41 | 1.6K | 151 | 116 |
| 255 | Learning | 35 | 1.6K | 284 | 263 |
| 256 | Mechanical Engineering | 71 | 1.6K | 334 | 248 |
| 257 | Educational Psychology | 56 | 1.6K | 230 | 286 |
| 258 | Polymers | 75 | 1.6K | 960 | 1033 |
| 259 | Petrology | 31 | 1.6K | 294 | 256 |
| 260 | nucleic acids | 20 | 1.6K | 576 | 491 |
| 261 | sustainability | 26 | 1.6K | 122 | 141 |
| 262 | Photochemistry | 91 | 1.6K | 57 | 194 |
| 263 | Fluid Mechanics | 35 | 1.6K | 338 | 220 |
| 264 | language | 30 | 1.6K | 154 | 108 |
| 265 | Mineralogy | 35 | 1.6K | 357 | 291 |
| 265 | Radio | 39 | 1.6K | 335 | 320 |
| 267 | Adolescent Psychology | 32 | 1.6K | 141 | 122 |
| 268 | Artificial Intelligence | 66 | 1.6K | 670 | 809 |
| 269 | Archaeology | 58 | 1.6K | 210 | 176 |
| 270 | genome | 21 | 1.5K | 422 | 396 |
| 271 | rehabilitation | 39 | 1.5K | 420 | 354 |
| 272 | Coastal zone management | 46 | 1.5K | 25 | 28 |
| 273 | Biochemical Engineering | 17 | 1.5K | 1393 | 1089 |
| 274 | plant molecular biology | 20 | 1.5K | 514 | 469 |
| 275 | pollutants | 29 | 1.5K | 400 | 303 |
| 275 | Environmental pollutants | 29 | 1.5K | 527 | 371 |
| 277 | Family | 42 | 1.5K | 159 | 128 |
| 278 | Mass Spectrometry | 46 | 1.5K | 153 | 162 |
| 279 | Medical Ethics | 33 | 1.5K | 211 | 71 |
| 280 | Clinical Psychology | 43 | 1.4K | 250 | 321 |
| 281 | Paleoceanography | 23 | 1.4K | 33 | 44 |
| 282 | Medical Oncology | 30 | 1.4K | 407 | 350 |
| 282 | health services accessibility | 37 | 1.4K | 138 | 89 |
| 282 | Youth | 29 | 1.4K | 115 | 99 |
| 285 | Forest Ecology | 52 | 1.4K | 130 | 185 |
| 286 | Bioorganic chemistry | 35 | 1.4K | 780 | 641 |
| 287 | Transportation | 17 | 1.4K | 603 | 324 |
| 288 | ethnobiology | 17 | 1.4K | 22 | 16 |
| 289 | Public opinion | 19 | 1.4K | 72 | 36 |
| 290 | Geobiology | 18 | 1.4K | 94 | 35 |
| 291 | Learning disabilities | 36 | 1.4K | 143 | 98 |
| 292 | Developing countries | 53 | 1.4K | 300 | 358 |
| 293 | Public Administration | 107 | 1.4K | 90 | 194 |
| 294 | Nanostructures | 13 | 1.3K | 876 | 433 |
| 295 | Speech Disorders | 22 | 1.3K | 323 | 191 |
| 296 | Aquatic ecology | 65 | 1.3K | 32 | 69 |
| 297 | Primary health care | 47 | 1.3K | 256 | 239 |
| 298 | Solid State Physics | 79 | 1.3K | 859 | 962 |
| 298 | Sales management | 3 | 1.3K | 229 | 69 |
| 298 | selling | 3 | 1.3K | 229 | 69 |
| 301 | drug abuse | 61 | 1.3K | 41 | 43 |
| 302 | Photobiology | 68 | 1.3K | 35 | 120 |
| 303 | Communication | 34 | 1.3K | 492 | 433 |
| 304 | Linguistics | 37 | 1.3K | 293 | 196 |
| 304 | visualization | 46 | 1.3K | 246 | 123 |
| 306 | Histology | 30 | 1.3K | 477 | 396 |
| 307 | Composite Materials | 24 | 1.3K | 947 | 805 |
| 308 | polymerization | 62 | 1.3K | 891 | 971 |
| 309 | child abuse | 29 | 1.3K | 159 | 159 |
| 310 | Animal ecology | 32 | 1.3K | 285 | 253 |
| 311 | Virulence | 21 | 1.3K | 328 | 372 |
| 312 | Health Policy | 59 | 1.3K | 334 | 400 |
| 312 | Drug delivery systems | 10 | 1.3K | 793 | 339 |
| 312 | Cerebral cortex | 24 | 1.3K | 255 | 240 |
| 315 | Radiobiology | 25 | 1.2K | 350 | 274 |
| 316 | Health Services Research | 52 | 1.2K | 234 | 266 |
| 317 | Simulation Methods | 38 | 1.2K | 47 | 25 |
| 318 | Host-parasite interactions | 18 | 1.2K | 378 | 400 |
| 319 | Embryology | 39 | 1.2K | 359 | 429 |
| 319 | Intellectual disability | 31 | 1.2K | 167 | 128 |
| 321 | Systems Engineering | 40 | 1.2K | 392 | 371 |
| 322 | Exercise | 37 | 1.2K | 245 | 210 |
| 323 | Child welfare | 100 | 1.2K | 43 | 135 |
| 324 | Paleoclimatology | 33 | 1.2K | 255 | 268 |
| 325 | Visual Perception | 27 | 1.2K | 423 | 351 |
| 326 | Mental Health | 67 | 1.2K | 170 | 238 |
| 326 | Decision making | 22 | 1.2K | 375 | 266 |
| 328 | Chromosomes | 49 | 1.2K | 87 | 165 |
| 329 | harm reduction | 45 | 1.1K | 7 | 7 |
| 330 | DNA | 21 | 1.1K | 75 | 24 |
| 331 | Organometallic compounds | 39 | 1.1K | 225 | 237 |
| 331 | children | 35 | 1.1K | 35 | 64 |
| 333 | Aquaculture | 41 | 1.1K | 266 | 287 |
| 334 | Chemical Engineering | 36 | 1.1K | 1471 | 1575 |
| 335 | Combinatorial chemistry | 19 | 1.1K | 177 | 171 |
| 336 | Forest Management | 44 | 1.1K | 143 | 210 |
| 337 | Anatomy | 33 | 1.1K | 499 | 471 |
| 337 | Australia | 70 | 1.1K | 137 | 197 |
| 339 | Paleoecology | 27 | 1.1K | 281 | 243 |
| 340 | machinery | 12 | 1.1K | 297 | 57 |
| 341 | water supply | 28 | 1.1K | 209 | 247 |
| 342 | Speech | 15 | 1.1K | 343 | 189 |
| 343 | Telecommunication Systems | 75 | 1.1K | 84 | 146 |
| 344 | Geodynamics | 17 | 1.1K | 348 | 255 |
| 345 | Environmental Toxicology | 21 | 1.1K | 752 | 637 |
| 346 | Cell differentiation | 17 | 1.1K | 565 | 549 |
| 347 | Bioethics | 26 | 1.1K | 209 | 83 |
| 348 | Marine resources | 35 | 1.1K | 57 | 61 |
| 349 | Biogeography | 29 | 1.1K | 218 | 323 |
| 350 | Graph Theory | 63 | 1.0K | 48 | 43 |
| 350 | Reproduction | 37 | 1.0K | 542 | 557 |
| 352 | Elderly | 151 | 1.0K | 69 | 93 |
| 353 | Radio waves | 23 | 1.0K | 276 | 230 |
| 354 | economic policy | 58 | 1.0K | 345 | 361 |
| 355 | Microwave devices | 14 | 1.0K | 167 | 63 |
| 356 | Population | 30 | 1.0K | 129 | 154 |
| 357 | Political Sociology | 7 | 1.0K | 271 | 71 |
| 358 | Vision | 29 | 1.0K | 162 | 184 |
| 359 | Information Technology | 36 | 999 | 433 | 555 |
| 359 | Neurolinguistics | 11 | 999 | 168 | 88 |
| 361 | Health Services Administration | 56 | 996 | 75 | 135 |
| 362 | families | 30 | 995 | 169 | 124 |
| 363 | Natural resources | 19 | 974 | 193 | 160 |
| 364 | Philosophy | 62 | 973 | 281 | 191 |
| 365 | Electrical Engineering | 76 | 972 | 543 | 548 |
| 366 | Early Childhood Education | 35 | 971 | 60 | 48 |
| 366 | polar regions | 36 | 971 | 68 | 68 |
| 368 | Dynamics | 32 | 968 | 314 | 169 |
| 369 | Business Ethics | 15 | 959 | 342 | 389 |
| 370 | Paleogeography | 21 | 958 | 305 | 247 |
| 371 | Pharmaceutical Chemistry | 28 | 956 | 1176 | 1094 |
| 372 | Attention | 25 | 950 | 469 | 406 |
| 373 | Computational Biology | 35 | 947 | 548 | 671 |
| 374 | Marine Ecology | 34 | 941 | 107 | 92 |
| 375 | Mental illness | 31 | 937 | 445 | 608 |
| 376 | Neurochemistry | 26 | 931 | 760 | 740 |
| 377 | urban health | 17 | 916 | 59 | 41 |
| 378 | Information Theory | 44 | 914 | 231 | 325 |
| 379 | Nuclear Energy | 8 | 904 | 530 | 133 |
| 380 | Condensed Matter | 38 | 903 | 1029 | 1041 |
| 381 | Robotics | 29 | 890 | 451 | 409 |
| 382 | Socioeconomic Factors | 24 | 878 | 132 | 115 |
| 382 | nursing ethics | 13 | 878 | 33 | 10 |
| 384 | Obesity | 22 | 873 | 590 | 600 |
| 385 | Functional Analysis | 33 | 871 | 303 | 226 |
| 386 | forest policy | 26 | 870 | 62 | 41 |
| 387 | counseling | 39 | 865 | 261 | 292 |
| 388 | psychopathology | 4 | 863 | 266 | 99 |
| 389 | Recombinant DNA | 21 | 862 | 415 | 325 |
| 390 | violence | 19 | 859 | 308 | 242 |
| 391 | Chemical analysis | 21 | 857 | 260 | 196 |
| 392 | geological modeling | 18 | 854 | 89 | 84 |
| 393 | Community Psychology | 14 | 853 | 189 | 153 |
| 394 | Plant Ecology | 28 | 844 | 500 | 623 |
| 395 | Medical Laboratory Science | 22 | 837 | 632 | 682 |
| 395 | Physical organic chemistry | 24 | 837 | 401 | 268 |
| 397 | Geochemical Modeling | 17 | 829 | 70 | 81 |
| 398 | Organizational Behavior | 20 | 817 | 145 | 215 |
| 398 | mutation | 44 | 817 | 34 | 127 |
| 400 | Phytotherapy | 8 | 808 | 248 | 63 |
| 401 | Nuclear Chemistry | 5 | 806 | 809 | 127 |
| 401 | Radiochemistry | 5 | 806 | 731 | 89 |
| 403 | Hippocampus | 13 | 802 | 80 | 97 |
| 404 | Medical genetics | 27 | 789 | 728 | 902 |
| 405 | Ethnobotany | 7 | 787 | 49 | 25 |
| 405 | Traditional medicine | 7 | 787 | 53 | 25 |
| 405 | Ethnomedicine | 7 | 787 | 48 | 25 |
| 408 | Parallel Processing | 19 | 779 | 120 | 134 |
| 409 | Image Processing | 38 | 773 | 523 | 713 |
| 410 | Data Mining | 15 | 769 | 540 | 410 |
| 411 | psychotherapy | 14 | 766 | 529 | 401 |
| 412 | Physical Chemistry | 16 | 765 | 935 | 722 |
| 413 | Freeze-Drying | 23 | 764 | 29 | 28 |
| 413 | Hypothermia | 23 | 764 | 29 | 28 |
| 413 | Freeze Drying | 23 | 764 | 29 | 28 |
| 416 | Culture | 30 | 761 | 210 | 136 |
| 417 | Vocational guidance | 17 | 759 | 311 | 305 |
| 417 | Combinatorial analysis | 65 | 759 | 88 | 111 |
| 419 | Combustion | 28 | 758 | 323 | 337 |
| 419 | micromechanics | 19 | 758 | 154 | 112 |
| 421 | Ophthalmology | 27 | 756 | 536 | 552 |
| 422 | Ethics | 31 | 754 | 148 | 112 |
| 423 | viruses | 13 | 746 | 539 | 531 |
| 424 | ecosystem | 27 | 739 | 324 | 484 |
| 425 | Genetic engineering | 22 | 730 | 653 | 690 |
| 425 | Production Engineering | 38 | 730 | 411 | 460 |
| 427 | human development | 16 | 729 | 265 | 238 |
| 428 | Health insurance | 5 | 728 | 280 | 120 |
| 429 | Primates | 21 | 725 | 172 | 150 |
| 430 | Electrochemical Analysis | 33 | 724 | 353 | 428 |
| 431 | Flexible manufacturing systems | 10 | 722 | 125 | 40 |
| 432 | Bioinformatics | 33 | 721 | 470 | 643 |
| 433 | Numerical Analysis | 31 | 712 | 677 | 539 |
| 434 | administrative agencies | 66 | 711 | 5 | 38 |
| 435 | Energy Conversion | 13 | 709 | 527 | 615 |
| 436 | Social work | 36 | 702 | 315 | 293 |
| 437 | hospice care | 17 | 701 | 123 | 40 |
| 437 | Computer-Aided Design | 17 | 701 | 384 | 263 |
| 439 | Nonlinear Dynamics | 21 | 695 | 805 | 695 |
| 440 | Comparative Physiology | 16 | 693 | 278 | 225 |
| 441 | Optical materials | 19 | 688 | 1058 | 1050 |
| 442 | Social problems | 14 | 687 | 205 | 180 |
| 443 | Organizational Sociology | 10 | 671 | 132 | 56 |
| 443 | Nonlinear systems | 7 | 671 | 342 | 102 |
| 445 | Plate Tectonics | 11 | 667 | 78 | 35 |
| 446 | data collection | 12 | 666 | 386 | 306 |
| 447 | Building Materials | 18 | 659 | 722 | 808 |
| 448 | Econometrics | 29 | 651 | 367 | 392 |
| 448 | Seismology | 38 | 651 | 59 | 110 |
| 450 | Algae | 15 | 647 | 280 | 236 |
| 451 | Intelligent Transportation Systems | 17 | 646 | 356 | 384 |
| 452 | Molecular Spectroscopy | 41 | 645 | 283 | 443 |
| 453 | environmental indicators | 14 | 644 | 391 | 352 |
| 454 | health workforce | 4 | 642 | 128 | 35 |
| 454 | recreation | 26 | 642 | 137 | 113 |
| 456 | freshwater biology | 19 | 635 | 233 | 227 |
| 457 | lasers | 33 | 634 | 544 | 540 |
| 458 | Molecular cloning | 17 | 632 | 457 | 383 |
| 458 | Genetic recombination | 17 | 632 | 442 | 377 |
| 458 | Quality of life | 20 | 632 | 389 | 443 |
| 461 | Psychometrics | 18 | 626 | 132 | 148 |
| 462 | Ecosystem management | 12 | 620 | 253 | 189 |
| 463 | Detectors | 16 | 612 | 566 | 377 |
| 464 | Clinical Chemistry | 17 | 611 | 1007 | 974 |
| 465 | cryosphere | 22 | 609 | 96 | 128 |
| 466 | residential treatment | 53 | 608 | 2 | 4 |
| 467 | Remote Sensing | 22 | 605 | 388 | 270 |
| 468 | Seaweed | 14 | 600 | 194 | 181 |
| 469 | Mechanics | 35 | 598 | 234 | 288 |
| 470 | sex crimes | 8 | 595 | 344 | 134 |
| 471 | Sustainable agriculture | 4 | 594 | 579 | 150 |
| 472 | Fluid Dynamics | 28 | 593 | 277 | 340 |
| 473 | Quantum theory | 9 | 591 | 574 | 257 |
| 474 | Ethnology | 43 | 589 | 205 | 238 |
| 475 | medical education | 30 | 580 | 403 | 464 |
| 476 | Neurobiology | 13 | 579 | 760 | 774 |
| 477 | Discourse Analysis | 8 | 578 | 176 | 72 |
| 477 | Birds | 25 | 578 | 321 | 277 |
| 479 | Physical Geography | 8 | 577 | 219 | 94 |
| 480 | Lipids | 8 | 575 | 713 | 502 |
| 481 | Obstetrics | 34 | 570 | 552 | 686 |
| 482 | Algorithms | 26 | 568 | 79 | 99 |
| 483 | International Finance | 18 | 559 | 604 | 569 |
| 483 | drug therapy | 12 | 559 | 877 | 715 |
| 485 | Human Rights | 19 | 558 | 118 | 72 |
| 486 | Performance | 10 | 555 | 116 | 81 |
| 487 | Family Therapy | 14 | 552 | 271 | 173 |
| 488 | Sociolinguistics | 16 | 548 | 107 | 84 |
| 489 | Engineering Mathematics | 25 | 547 | 514 | 454 |
| 489 | Mental Health Services | 24 | 547 | 298 | 329 |
| 491 | Disability Law | 14 | 543 | 24 | 13 |
| 492 | environmental exposure | 12 | 541 | 841 | 684 |
| 493 | Environmental Education | 21 | 540 | 41 | 70 |
| 494 | Wildlife management | 14 | 534 | 185 | 117 |
| 494 | Social policy | 37 | 534 | 137 | 219 |
| 496 | Biosensors | 7 | 533 | 798 | 693 |
| 496 | Qualitative Research | 33 | 533 | 46 | 135 |
| 496 | enzymes | 13 | 533 | 646 | 555 |
| 499 | Technological Innovations | 7 | 527 | 606 | 304 |
| 500 | data protection | 11 | 526 | 152 | 69 |
| 501 | Cryptography | 24 | 521 | 88 | 65 |
| 501 | weather | 19 | 521 | 86 | 110 |
| 503 | Energy Storage | 11 | 518 | 580 | 466 |
| 504 | Regional Planning | 28 | 516 | 402 | 514 |
| 505 | Smoking | 14 | 514 | 271 | 271 |
| 506 | Solar System | 12 | 513 | 344 | 298 |
| 507 | Nutrition | 27 | 509 | 1276 | 1666 |
| 507 | Women's health | 27 | 509 | 229 | 288 |
| 509 | Neurons | 7 | 507 | 343 | 531 |
| 510 | Structural dynamics | 23 | 505 | 298 | 441 |
| 511 | Ore deposits | 6 | 502 | 353 | 173 |
| 512 | mass transfer | 25 | 500 | 562 | 722 |
| 513 | Metacognition | 4 | 498 | 32 | 12 |
| 514 | child behavior | 17 | 497 | 94 | 157 |
| 515 | Measurement | 23 | 495 | 327 | 355 |
| 516 | Systems Biology | 18 | 490 | 494 | 512 |
| 517 | Coding Theory | 22 | 486 | 51 | 24 |
| 518 | Geriatric Psychiatry | 19 | 485 | 261 | 294 |
| 519 | Sound | 40 | 482 | 164 | 272 |
| 519 | Hormones | 13 | 482 | 536 | 500 |
| 521 | Architecture | 11 | 480 | 197 | 74 |
| 521 | Chemotherapy | 8 | 480 | 641 | 446 |
| 523 | microwave communication systems | 10 | 476 | 162 | 98 |
| 524 | Continental shelf | 14 | 470 | 124 | 127 |
| 525 | Human-Computer Interaction | 20 | 469 | 413 | 521 |
| 526 | Neonatology | 24 | 467 | 87 | 138 |
| 526 | China | 39 | 467 | 588 | 884 |
| 528 | city planning | 30 | 465 | 365 | 564 |
| 529 | Psychopharmacology | 7 | 462 | 836 | 664 |
| 529 | forestry | 33 | 462 | 22 | 60 |
| 531 | Criminology | 19 | 459 | 344 | 302 |
| 531 | Nanoparticles | 11 | 459 | 928 | 810 |
| 533 | Human evolution | 10 | 457 | 190 | 200 |
| 534 | Hydraulic Engineering | 10 | 455 | 437 | 320 |
| 535 | Development | 9 | 452 | 363 | 329 |
| 536 | glycoproteins | 17 | 451 | 106 | 164 |
| 536 | Glycoconjugates | 17 | 451 | 106 | 164 |
| 536 | Oligosaccharide | 17 | 451 | 54 | 120 |
| 536 | Carbohydrates | 17 | 451 | 91 | 151 |
| 536 | glycolipids | 17 | 451 | 106 | 164 |
| 541 | Mathematics Education | 26 | 449 | 50 | 79 |
| 541 | Emotions | 12 | 449 | 259 | 307 |
| 543 | world | 9 | 447 | 329 | 358 |
| 544 | Feasibility studies | 7 | 444 | 137 | 26 |
| 545 | community development | 13 | 443 | 181 | 123 |
| 545 | Energy Harvesting | 5 | 443 | 311 | 308 |
| 547 | Economic Assistance | 9 | 442 | 315 | 312 |
| 548 | Law | 20 | 437 | 400 | 207 |
| 548 | Chemical Oceanography | 15 | 437 | 93 | 140 |
| 550 | Geopolitics | 4 | 435 | 192 | 30 |
| 550 | Reading | 29 | 435 | 104 | 200 |
| 552 | Breeding | 8 | 430 | 650 | 461 |
| 553 | Genes | 19 | 429 | 303 | 350 |
| 554 | Food | 13 | 426 | 1466 | 1505 |
| 555 | Hydrodynamics | 8 | 424 | 331 | 244 |
| 555 | Sovereignty | 3 | 424 | 111 | 14 |
| 555 | Ornithology | 14 | 424 | 386 | 275 |
| 558 | Economic Geography | 16 | 423 | 78 | 96 |
| 559 | Thermodynamics | 17 | 421 | 391 | 242 |
| 560 | pain | 10 | 420 | 621 | 569 |
| 561 | Functional Genomics | 4 | 419 | 188 | 102 |
| 562 | exobiology | 5 | 418 | 188 | 137 |
| 563 | Marriage | 22 | 417 | 98 | 148 |
| 564 | Post-traumatic stress disorder | 6 | 413 | 477 | 323 |
| 565 | Jurisprudence | 21 | 410 | 254 | 264 |
| 566 | Water quality management | 18 | 405 | 592 | 589 |
| 567 | Differential Equations | 17 | 403 | 381 | 337 |
| 568 | civil rights | 15 | 401 | 80 | 59 |
| 569 | Software Maintenance | 6 | 400 | 73 | 5 |
| 569 | Palynology | 13 | 400 | 29 | 14 |
| 571 | Strategic planning | 11 | 395 | 268 | 272 |
| 571 | Mycology | 19 | 395 | 524 | 701 |
| 571 | Respiration | 11 | 395 | 679 | 650 |
| 574 | Quantum electronics | 26 | 394 | 446 | 535 |
| 574 | Social Change | 7 | 394 | 627 | 622 |
| 574 | Building | 4 | 394 | 456 | 147 |
| 577 | Algebra | 26 | 389 | 487 | 333 |
| 578 | Radiation | 28 | 388 | 570 | 719 |
| 579 | Computer Science | 28 | 386 | 437 | 567 |
| 579 | Pediatrics | 21 | 386 | 718 | 992 |
| 579 | Bioelectronics | 4 | 386 | 941 | 752 |
| 582 | Educational Technology | 9 | 385 | 881 | 606 |
| 583 | Electrophoresis | 8 | 382 | 947 | 653 |
| 583 | Social Issues | 2 | 382 | 334 | 92 |
| 585 | Inflammation | 10 | 380 | 483 | 561 |
| 586 | Structural optimization | 14 | 379 | 101 | 133 |
| 587 | chromatin | 2 | 376 | 156 | 54 |
| 588 | Computer Engineering | 54 | 375 | 21 | 194 |
| 588 | actuators | 15 | 375 | 960 | 1139 |
| 588 | transducers | 15 | 375 | 960 | 1139 |
| 591 | Social behavior | 13 | 373 | 487 | 570 |
| 592 | Adult Education | 48 | 371 | 38 | 93 |
| 592 | educational innovations | 12 | 371 | 164 | 168 |
| 594 | Crime prevention | 15 | 367 | 68 | 40 |
| 594 | Regional Development | 16 | 367 | 39 | 78 |
| 594 | Entomology | 15 | 367 | 975 | 775 |
| 597 | Therapeutics | 12 | 365 | 686 | 755 |
| 598 | Periglacial processes | 12 | 364 | 25 | 50 |
| 598 | Coral reef biology | 11 | 364 | 116 | 140 |
| 598 | Permafrost | 12 | 364 | 25 | 50 |
| 598 | Frozen ground | 12 | 364 | 25 | 50 |
| 602 | Gene expression regulation | 8 | 360 | 484 | 425 |
| 602 | Plant diseases | 15 | 360 | 826 | 795 |
| 604 | Globalization | 10 | 356 | 222 | 166 |
| 605 | Literacy | 21 | 355 | 42 | 55 |
| 606 | Community Psychiatry | 13 | 354 | 351 | 414 |
| 607 | Intercultural Communication | 9 | 352 | 156 | 115 |
| 607 | Cross-Cultural Studies | 9 | 352 | 296 | 188 |
| 609 | DNA polymerases | 3 | 351 | 347 | 350 |
| 609 | Phylogeny | 7 | 351 | 535 | 489 |
| 611 | Advertising | 2 | 347 | 383 | 140 |
| 612 | infection | 13 | 345 | 616 | 759 |
| 613 | Information Systems | 23 | 344 | 310 | 543 |
| 613 | Optical Communications | 9 | 344 | 379 | 209 |
| 613 | protein | 16 | 344 | 432 | 518 |
| 616 | Paleontology | 15 | 343 | 529 | 501 |
| 616 | Fishery management | 37 | 343 | 110 | 253 |
| 616 | Feminism | 23 | 343 | 103 | 152 |
| 616 | international trade | 20 | 343 | 112 | 227 |
| 620 | Drug design | 5 | 342 | 1104 | 700 |
| 620 | Housing | 6 | 342 | 295 | 181 |
| 620 | environmental issues | 6 | 342 | 227 | 135 |
| 623 | Cell death | 2 | 341 | 1062 | 701 |
| 624 | Requirements Engineering | 9 | 339 | 13 | 29 |
| 624 | health services | 25 | 339 | 217 | 369 |
| 624 | mammals | 12 | 339 | 402 | 350 |
| 624 | finance | 19 | 339 | 894 | 1005 |
| 628 | civil service | 8 | 338 | 183 | 152 |
| 629 | Chronic diseases | 8 | 337 | 339 | 362 |
| 630 | Wind power | 12 | 335 | 66 | 61 |
| 631 | mutagens | 10 | 331 | 333 | 440 |
| 632 | Engineering Geology | 14 | 330 | 614 | 685 |
| 632 | rivers | 7 | 330 | 132 | 92 |
| 634 | Urban Policy | 10 | 329 | 364 | 358 |
| 634 | Personality Assessment | 13 | 329 | 211 | 337 |
| 634 | women | 14 | 329 | 267 | 156 |
| 637 | Metabolic diseases | 8 | 324 | 1099 | 1143 |
| 638 | radioactive waste | 5 | 322 | 577 | 572 |
| 638 | industrial waste | 5 | 322 | 601 | 573 |
| 638 | Hazardous waste | 5 | 322 | 703 | 611 |
| 641 | sexual behavior | 33 | 320 | 87 | 306 |
| 642 | Ecological Genetics | 5 | 319 | 442 | 151 |
| 643 | Earthquake Engineering | 16 | 318 | 582 | 697 |
| 644 | Geographic information systems | 12 | 317 | 416 | 304 |
| 644 | Raman spectroscopy | 12 | 317 | 277 | 292 |
| 646 | Diagnostic microbiology | 7 | 313 | 617 | 751 |
| 647 | Industrial Microbiology | 5 | 312 | 1422 | 1115 |
| 647 | Heat Exchangers | 11 | 312 | 624 | 747 |
| 647 | Membranes | 12 | 312 | 846 | 1037 |
| 650 | Anxiety Disorders | 4 | 310 | 386 | 360 |
| 650 | Anxiety | 4 | 310 | 389 | 360 |
| 652 | Hematology | 12 | 309 | 904 | 1004 |
| 652 | Political Participation | 8 | 309 | 164 | 132 |
| 652 | Citizenship | 8 | 309 | 35 | 28 |
| 655 | natural disasters | 21 | 308 | 282 | 588 |
| 656 | Marine Geology | 18 | 305 | 147 | 247 |
| 657 | Database Management | 11 | 303 | 362 | 366 |
| 657 | Climate | 14 | 303 | 147 | 258 |
| 657 | Autism | 10 | 303 | 326 | 377 |
| 660 | Humanities | 20 | 302 | 443 | 385 |
| 661 | Psychiatric Nursing | 14 | 301 | 229 | 201 |
| 662 | Continuum Mechanics | 12 | 299 | 44 | 46 |
| 663 | Microeconomics | 5 | 298 | 223 | 147 |
| 663 | Memory disorders | 5 | 298 | 200 | 116 |
| 665 | Urban Planning | 3 | 296 | 373 | 171 |
| 665 | Cosmology | 7 | 296 | 399 | 307 |
| 667 | vibration | 16 | 294 | 417 | 573 |
| 667 | Computational Fluid Dynamics | 10 | 294 | 278 | 253 |
| 669 | Diagnostic Imaging | 18 | 292 | 616 | 816 |
| 670 | Water Conservation | 13 | 291 | 11 | 24 |
| 670 | Allergy | 3 | 291 | 845 | 730 |
| 672 | Osteoporosis | 4 | 290 | 251 | 102 |
| 673 | Special Education | 17 | 289 | 246 | 279 |
| 673 | Computer Vision | 13 | 289 | 463 | 674 |
| 675 | Genetic Toxicology | 7 | 288 | 179 | 223 |
| 675 | Morphology | 15 | 288 | 295 | 306 |
| 675 | auditory perception | 10 | 288 | 172 | 220 |
| 675 | Africa | 22 | 288 | 390 | 432 |
| 679 | Economic Theory | 1 | 285 | 187 | 32 |
| 679 | Astrocytes | 5 | 285 | 317 | 340 |
| 681 | Depression | 3 | 283 | 303 | 258 |
| 682 | Plant genetic engineering | 7 | 280 | 498 | 507 |
| 682 | concepts | 3 | 280 | 107 | 32 |
| 684 | Behavioral Genetics | 5 | 277 | 156 | 139 |
| 684 | Neural circuitry | 13 | 277 | 939 | 1178 |
| 684 | Communication in medicine | 11 | 277 | 215 | 222 |
| 687 | toxicity testing | 2 | 276 | 758 | 222 |
| 688 | Databases | 7 | 274 | 226 | 190 |
| 689 | Civil Engineering | 18 | 272 | 506 | 403 |
| 689 | Great Lakes | 7 | 272 | 109 | 91 |
| 689 | Human Resources | 10 | 272 | 163 | 290 |
| 692 | Analytical Biochemistry | 12 | 271 | 775 | 833 |
| 692 | Carcinogenesis | 9 | 271 | 432 | 545 |
| 694 | Soil Mechanics | 12 | 270 | 515 | 582 |
| 694 | carcinogens | 9 | 270 | 439 | 553 |
| 696 | Demography | 14 | 268 | 206 | 322 |
| 696 | feeding behavior | 6 | 268 | 467 | 428 |
| 696 | Appetite | 6 | 268 | 405 | 386 |
| 699 | Multimedia Systems | 18 | 267 | 623 | 768 |
| 700 | biological factors | 7 | 266 | 1226 | 953 |
| 701 | Logistics | 5 | 265 | 403 | 330 |
| 702 | Thrombosis | 7 | 264 | 583 | 536 |
| 702 | DNS | 6 | 264 | 270 | 193 |
| 702 | hazard mitigation | 20 | 264 | 153 | 408 |
| 702 | biological monitoring | 9 | 264 | 173 | 212 |
| 706 | Herpetology | 12 | 263 | 87 | 46 |
| 706 | Reptiles | 12 | 263 | 72 | 42 |
| 708 | Electrophysiology | 6 | 262 | 603 | 396 |
| 708 | behavior therapy | 9 | 262 | 442 | 447 |
| 710 | Critical theory | 6 | 261 | 74 | 26 |
| 711 | Underwater Archaeology | 8 | 260 | 38 | 7 |
| 712 | Number Theory | 24 | 259 | 190 | 133 |
| 712 | Organometallic chemistry | 10 | 259 | 1202 | 953 |
| 714 | Ergonomics | 8 | 257 | 526 | 410 |
| 714 | Brain damage | 7 | 257 | 201 | 191 |
| 716 | Solid State Chemistry | 10 | 256 | 1505 | 1318 |
| 716 | European integration | 16 | 256 | 59 | 115 |
| 716 | European Economic Community | 16 | 256 | 59 | 115 |
| 719 | Bioinorganic chemistry | 9 | 253 | 825 | 772 |
| 720 | Virtual reality | 4 | 252 | 315 | 173 |
| 721 | Democracy | 3 | 251 | 315 | 65 |
| 721 | slavery | 3 | 251 | 71 | 4 |
| 723 | Adaptive control systems | 5 | 250 | 434 | 170 |
| 724 | Insects | 8 | 249 | 864 | 658 |
| 725 | Immune system | 4 | 248 | 687 | 709 |
| 726 | Surgery | 2 | 247 | 1321 | 920 |
| 727 | Music | 20 | 246 | 205 | 288 |
| 727 | Computational Linguistics | 12 | 246 | 113 | 76 |
| 729 | Signal Transduction | 6 | 244 | 890 | 944 |
| 729 | Solar Energy | 12 | 244 | 796 | 1172 |
| 729 | biocatalysis | 2 | 244 | 220 | 279 |
| 729 | Homogeneous catalysis | 2 | 244 | 220 | 279 |
| 729 | Heterogeneous catalysis | 2 | 244 | 220 | 279 |
| 734 | Soil biology | 7 | 243 | 581 | 698 |
| 734 | Lightweight concrete | 4 | 243 | 348 | 412 |
| 734 | Asia | 31 | 243 | 600 | 1075 |
| 734 | concrete | 4 | 243 | 814 | 733 |
| 738 | Landslides | 3 | 242 | 228 | 165 |
| 739 | Language Disorders | 6 | 241 | 578 | 405 |
| 739 | Landscape Ecology | 6 | 241 | 294 | 287 |
| 741 | Developmental Immunology | 6 | 240 | 360 | 353 |
| 742 | Matroids | 16 | 239 | 59 | 99 |
| 742 | Leisure | 7 | 239 | 172 | 177 |
| 744 | Rural Development | 13 | 235 | 142 | 273 |
| 744 | ethnicity | 14 | 235 | 219 | 206 |
| 746 | Psychoneuroimmunology | 9 | 233 | 287 | 468 |
| 746 | Biomechanics | 16 | 233 | 466 | 728 |
| 746 | Neuroimmunology | 9 | 233 | 329 | 508 |
| 749 | Schizophrenia | 5 | 232 | 671 | 622 |
| 750 | Patient education | 6 | 231 | 355 | 338 |
| 750 | Smart Materials | 10 | 231 | 436 | 456 |
| 752 | Digital electronics | 15 | 230 | 46 | 37 |
| 752 | vascular diseases | 4 | 230 | 535 | 465 |
| 752 | Japan | 19 | 230 | 504 | 701 |
| 755 | Political Geography | 8 | 229 | 148 | 153 |
| 756 | Phonetics | 5 | 228 | 229 | 168 |
| 757 | Applied Linguistics | 11 | 227 | 239 | 237 |
| 758 | Continuing Education | 28 | 226 | 57 | 103 |
| 759 | Industry | 2 | 224 | 247 | 191 |
| 760 | Amphibians | 9 | 222 | 67 | 32 |
| 761 | Microbial Genetics | 1 | 221 | 613 | 214 |
| 761 | Radio wave propagation | 15 | 221 | 242 | 274 |
| 761 | phytopathogenic bacteria | 1 | 221 | 392 | 199 |
| 761 | Bacteria | 2 | 221 | 392 | 290 |
| 761 | Economic planning | 10 | 221 | 168 | 229 |
| 766 | Environmental Microbiology | 11 | 220 | 609 | 1027 |
| 766 | Corporate governance | 6 | 220 | 348 | 324 |
| 766 | coal | 10 | 220 | 872 | 1179 |
| 769 | Occupational Therapy | 17 | 219 | 291 | 276 |
| 770 | Social Entrepreneurship | 3 | 218 | 83 | 27 |
| 771 | Speech Perception | 9 | 216 | 161 | 225 |
| 771 | Energy Consumption | 2 | 216 | 486 | 294 |
| 771 | disabilities | 10 | 216 | 298 | 351 |
| 774 | Pathology | 5 | 215 | 1246 | 1124 |
| 774 | economic conditions | 14 | 215 | 151 | 313 |
| 776 | Green Chemistry | 3 | 214 | 1577 | 1346 |
| 776 | Sustainable Engineering | 3 | 214 | 1550 | 1118 |
| 776 | occupational diseases | 8 | 214 | 383 | 448 |
| 779 | Industrial Safety | 7 | 213 | 693 | 619 |
| 780 | Calculus of Variations | 15 | 212 | 176 | 218 |
| 781 | Environmental Law | 6 | 211 | 691 | 934 |
| 781 | plankton | 6 | 211 | 88 | 84 |
| 783 | Neuropsychiatry | 6 | 210 | 510 | 466 |
| 783 | Fisheries Law | 26 | 210 | 15 | 99 |
| 783 | fisheries management | 26 | 210 | 15 | 99 |
| 786 | Labor Economics | 9 | 209 | 210 | 283 |
| 786 | Radioisotopes | 11 | 209 | 483 | 401 |
| 788 | Aggression | 8 | 208 | 245 | 345 |
| 789 | Rock Mechanics | 7 | 207 | 558 | 570 |
| 790 | Microprocessors | 16 | 206 | 138 | 193 |
| 791 | Electromagnetism | 14 | 205 | 402 | 512 |
| 792 | Mining Geology | 2 | 203 | 110 | 20 |
| 793 | Oncogenes | 4 | 202 | 762 | 865 |
| 793 | Sites | 5 | 202 | 404 | 405 |
| 793 | Marine mammals | 13 | 202 | 61 | 116 |
| 796 | Well-being | 10 | 201 | 23 | 60 |
| 796 | traffic safety | 8 | 201 | 111 | 89 |
| 798 | Hydrometeorology | 8 | 200 | 89 | 180 |
| 798 | nuclear astrophysics | 4 | 200 | 424 | 320 |
| 798 | Action Research | 8 | 200 | 77 | 57 |
| 801 | Telecommunications | 7 | 198 | 398 | 253 |
| 801 | Marine Geophysics | 14 | 198 | 48 | 89 |
| 803 | Chemical Ecology | 9 | 197 | 242 | 384 |
| 803 | pheromones | 9 | 197 | 204 | 359 |
| 805 | Metallurgy | 5 | 195 | 1671 | 1214 |
| 806 | soil microbiology | 9 | 194 | 788 | 1228 |
| 806 | Shock Waves | 13 | 194 | 43 | 63 |
| 808 | Terahertz Technology | 1 | 193 | 289 | 72 |
| 809 | Social Networks | 3 | 192 | 291 | 176 |
| 810 | Acoustics | 14 | 190 | 119 | 150 |
| 810 | Homeostasis | 1 | 190 | 583 | 630 |
| 810 | Cell metabolism | 1 | 190 | 984 | 707 |
| 813 | Freshwater invertebrates | 5 | 189 | 127 | 141 |
| 814 | Gender Studies | 15 | 188 | 112 | 270 |
| 814 | Genetic regulation | 3 | 188 | 949 | 745 |
| 816 | Cognitive Psychology | 5 | 187 | 313 | 190 |
| 816 | Language Acquisition | 16 | 187 | 49 | 134 |
| 816 | disarmament | 5 | 187 | 100 | 74 |
| 819 | Quality Control | 13 | 185 | 634 | 1063 |
| 819 | Randomized Controlled Trials | 9 | 185 | 487 | 407 |
| 819 | Intelligent Control Systems | 9 | 185 | 558 | 356 |
| 819 | Protozoa | 8 | 185 | 189 | 240 |
| 819 | Relationships | 3 | 185 | 159 | 118 |
| 824 | biopolymers | 5 | 184 | 863 | 758 |
| 825 | peace | 5 | 183 | 340 | 319 |
| 825 | Recycling | 6 | 183 | 352 | 699 |
| 827 | Fungi | 7 | 182 | 623 | 777 |
| 828 | Game Theory | 3 | 181 | 568 | 285 |
| 828 | motivation | 5 | 181 | 237 | 256 |
| 828 | ethnic groups | 5 | 181 | 229 | 174 |
| 831 | Soil Science | 4 | 180 | 1542 | 1298 |
| 831 | reforestation | 11 | 180 | 33 | 51 |
| 831 | fuel cells | 9 | 180 | 706 | 989 |
| 831 | afforestation | 11 | 180 | 33 | 51 |
| 835 | Industrial Ecology | 17 | 179 | 23 | 153 |
| 835 | Immunochemistry | 4 | 179 | 791 | 554 |
| 835 | Intelligence | 4 | 179 | 212 | 199 |
| 838 | Agricultural Chemistry | 5 | 178 | 1609 | 1489 |
| 838 | Nonlinear functional analysis | 14 | 178 | 458 | 655 |
| 840 | Criminal psychology | 9 | 177 | 434 | 476 |
| 840 | radiative transfer | 14 | 177 | 229 | 311 |
| 842 | bioclimatology | 13 | 175 | 274 | 561 |
| 843 | Marine Biotechnology | 6 | 174 | 99 | 135 |
| 843 | Electromagnetic compatibility | 3 | 174 | 340 | 166 |
| 845 | Online social networks | 5 | 173 | 157 | 125 |
| 845 | industrial relations | 15 | 173 | 300 | 450 |
| 845 | hygiene | 9 | 173 | 175 | 273 |
| 848 | Plant tissue culture | 6 | 172 | 435 | 470 |
| 848 | DNA methylation | 5 | 172 | 154 | 205 |
| 848 | Plant cell culture | 6 | 172 | 377 | 465 |
| 851 | Gender identity | 7 | 171 | 128 | 82 |
| 851 | biological invasions | 8 | 171 | 303 | 424 |
| 851 | population geography | 7 | 171 | 199 | 221 |
| 854 | Divorce | 13 | 170 | 20 | 40 |
| 854 | Neuromuscular diseases | 3 | 170 | 521 | 394 |
| 854 | Medical innovations | 4 | 170 | 681 | 916 |
| 854 | Invertebrates | 15 | 170 | 162 | 322 |
| 854 | crime | 6 | 170 | 481 | 362 |
| 854 | Muscles | 3 | 170 | 696 | 613 |
| 860 | Neurosurgery | 2 | 169 | 933 | 632 |
| 860 | Biomass Energy | 5 | 169 | 1832 | 1967 |
| 860 | Biomolecules | 2 | 169 | 560 | 374 |
| 860 | sports administration | 6 | 169 | 170 | 158 |
| 860 | Suicide | 9 | 169 | 240 | 326 |
| 865 | North America | 5 | 168 | 564 | 386 |
| 866 | population policy | 7 | 167 | 65 | 77 |
| 866 | urban forestry | 6 | 167 | 98 | 123 |
| 868 | Geriatric Oncology | 12 | 166 | 188 | 391 |
| 868 | homosexuality | 8 | 166 | 177 | 235 |
| 868 | corrections | 4 | 166 | 134 | 66 |
| 868 | Cognitive Learning | 1 | 166 | 256 | 41 |
| 872 | Cognitive Radio Networks | 10 | 165 | 58 | 124 |
| 873 | Children's Literature | 10 | 163 | 6 | 5 |
| 873 | health and race | 4 | 163 | 141 | 97 |
| 873 | construction | 3 | 163 | 189 | 138 |
| 876 | Petroleum Geology | 7 | 162 | 311 | 361 |
| 876 | Celestial Mechanics | 6 | 162 | 112 | 96 |
| 876 | race relations | 7 | 162 | 353 | 334 |
| 879 | Underwater acoustics | 8 | 161 | 19 | 15 |
| 879 | Consciousness | 8 | 161 | 245 | 323 |
| 881 | Environmental Geochemistry | 7 | 160 | 216 | 264 |
| 882 | Reservoirs | 2 | 159 | 213 | 53 |
| 882 | behavior modification | 6 | 159 | 264 | 367 |
| 884 | Structural Engineering | 13 | 158 | 764 | 1032 |
| 884 | Industrial Organization | 5 | 158 | 237 | 201 |
| 884 | Plant Biotechnology | 3 | 158 | 732 | 540 |
| 884 | Feminist theory | 4 | 158 | 151 | 88 |
| 888 | Physical Therapy | 14 | 157 | 490 | 854 |
| 888 | Crystallography | 21 | 157 | 601 | 658 |
| 888 | Entropy | 13 | 157 | 384 | 550 |
| 888 | Antibodies | 6 | 157 | 351 | 364 |
| 888 | Antigens | 6 | 157 | 479 | 475 |
| 888 | Microscopy | 10 | 157 | 669 | 740 |
| 894 | Marriage counseling | 7 | 156 | 168 | 214 |
| 895 | Organizational change | 10 | 155 | 292 | 466 |
| 895 | Instructional materials | 3 | 155 | 41 | 21 |
| 895 | police | 8 | 155 | 195 | 157 |
| 898 | Speech acoustics | 6 | 154 | 103 | 137 |
| 898 | Roads | 2 | 154 | 741 | 345 |
| 900 | Development planning | 2 | 153 | 299 | 165 |
| 901 | Microbial Biotechnology | 2 | 152 | 1271 | 691 |
| 901 | Politics | 8 | 152 | 287 | 295 |
| 901 | Informatics | 5 | 152 | 624 | 589 |
| 904 | Wetland ecology | 9 | 151 | 148 | 261 |
| 904 | Groundwater | 6 | 151 | 334 | 371 |
| 906 | Urban Geography | 4 | 150 | 193 | 149 |
| 906 | Cultural diversity | 4 | 150 | 144 | 150 |
| 906 | Knowledge | 9 | 150 | 267 | 236 |
| 906 | Freezing | 7 | 150 | 141 | 105 |
| 906 | Metals | 2 | 150 | 2141 | 1345 |
| 911 | Environmental Economics | 5 | 149 | 224 | 208 |
| 912 | Fracture mechanics | 4 | 148 | 1158 | 950 |
| 913 | Industrial Policy | 2 | 147 | 609 | 349 |
| 913 | Neuroplasticity | 1 | 147 | 504 | 185 |
| 913 | neuronal plasticity | 1 | 147 | 232 | 109 |
| 916 | Evolutionary Computation | 3 | 146 | 464 | 490 |
| 916 | Sexuality | 6 | 146 | 155 | 133 |
| 916 | Emotion | 3 | 146 | 211 | 219 |
| 919 | Sedimentology | 5 | 145 | 425 | 445 |
| 920 | X-ray crystallography | 17 | 144 | 169 | 282 |
| 920 | Borderlands | 14 | 144 | 8 | 11 |
| 922 | Marine mineral resources | 11 | 143 | 35 | 47 |
| 922 | child mental health | 5 | 143 | 333 | 297 |
| 922 | Seabed | 11 | 143 | 35 | 47 |
| 925 | Nonverbal Communication | 6 | 142 | 107 | 188 |
| 925 | Career development | 11 | 142 | 122 | 212 |
| 925 | epidemiologic methods | 3 | 142 | 158 | 59 |
| 925 | Leadership | 4 | 142 | 449 | 526 |
| 925 | curriculum planning | 9 | 142 | 57 | 85 |
| 930 | drug development | 3 | 141 | 790 | 876 |
| 931 | community participation | 8 | 140 | 45 | 62 |
| 931 | Faculty | 8 | 140 | 45 | 62 |
| 931 | Nonlinear mechanics | 6 | 140 | 276 | 271 |
| 934 | Fiber Optics | 11 | 139 | 449 | 622 |
| 935 | Materials Engineering | 4 | 138 | 629 | 338 |
| 935 | Geriatric Medicine | 6 | 138 | 68 | 97 |
| 935 | Clinical Biochemistry | 7 | 138 | 666 | 763 |
| 935 | Boundary Value Problems | 4 | 138 | 683 | 465 |
| 935 | Antenna Arrays | 4 | 138 | 465 | 416 |
| 940 | Veterinary Immunology | 4 | 137 | 262 | 228 |
| 940 | Eating Disorders | 4 | 137 | 649 | 611 |
| 940 | Feeding and Eating Disorders | 4 | 137 | 634 | 583 |
| 943 | Indigenous Peoples | 18 | 136 | 16 | 27 |
| 943 | Algal blooms | 5 | 136 | 165 | 251 |
| 943 | Cyanobacteria | 5 | 136 | 165 | 251 |
| 943 | microalgae | 5 | 136 | 165 | 251 |
| 947 | embryonic development | 9 | 135 | 166 | 301 |
| 947 | Liver diseases | 1 | 135 | 1364 | 1027 |
| 949 | Cytogenetics | 11 | 134 | 605 | 1081 |
| 949 | Aesthetics | 14 | 134 | 28 | 27 |
| 949 | Soil ecology | 8 | 134 | 406 | 696 |
| 952 | Pediatric Neurology | 3 | 133 | 709 | 830 |
| 952 | Counseling Psychology | 7 | 133 | 126 | 202 |
| 952 | Wireless Communication | 11 | 133 | 113 | 184 |
| 952 | Language and Education | 4 | 133 | 91 | 57 |
| 952 | individual differences | 4 | 133 | 233 | 280 |
| 957 | movement | 2 | 132 | 428 | 287 |
| 958 | Logic | 16 | 131 | 126 | 195 |
| 958 | Earthquakes | 13 | 131 | 125 | 204 |
| 960 | Solitons | 6 | 130 | 836 | 860 |
| 960 | Fractals | 6 | 130 | 842 | 864 |
| 960 | Chaos | 6 | 130 | 836 | 860 |
| 963 | Forensic Psychology | 6 | 129 | 234 | 236 |
| 964 | monoclonal antibodies | 2 | 127 | 320 | 142 |
| 965 | History | 147 | 126 | 66 | 249 |
| 965 | Semiconductors | 15 | 126 | 916 | 1349 |
| 965 | Socialization | 4 | 126 | 455 | 546 |
| 965 | cell interaction | 3 | 126 | 915 | 922 |
| 969 | Hydrogeology | 8 | 125 | 333 | 481 |
| 969 | Pediatric Nursing | 3 | 125 | 345 | 242 |
| 969 | Pediatric Neuropsychology | 4 | 125 | 49 | 12 |
| 969 | family violence | 4 | 125 | 343 | 383 |
| 973 | labor | 4 | 124 | 257 | 207 |
| 973 | Insect biochemistry | 6 | 124 | 260 | 407 |
| 975 | Tribology | 1 | 123 | 1570 | 839 |
| 975 | Clinical Pharmacology | 5 | 123 | 870 | 898 |
| 975 | Art Criticism | 10 | 123 | 12 | 8 |
| 975 | Parasitology | 7 | 123 | 1448 | 1555 |
| 979 | Neuroendocrinology | 3 | 122 | 108 | 207 |
| 979 | Water Microbiology | 12 | 122 | 78 | 340 |
| 981 | Evidence-Based Medicine | 4 | 121 | 529 | 522 |
| 981 | chemical pollution | 1 | 121 | 12 | 16 |
| 981 | Human biology | 8 | 121 | 322 | 401 |
| 984 | Welfare Economics | 6 | 119 | 290 | 344 |
| 984 | Quantitative Research | 5 | 119 | 155 | 216 |
| 984 | nuclear power | 3 | 119 | 434 | 211 |
| 987 | Molecular Pharmacology | 4 | 118 | 657 | 788 |
| 987 | Inclusive Education | 3 | 118 | 156 | 127 |
| 987 | Integration | 3 | 118 | 149 | 126 |
| 987 | Classroom Environment | 3 | 118 | 49 | 41 |
| 991 | Second Language Acquisition | 6 | 117 | 93 | 211 |
| 991 | Southeast Asia | 8 | 117 | 144 | 140 |
| 991 | drug evaluation | 5 | 117 | 933 | 1007 |
| 994 | Fire ecology | 1 | 116 | 133 | 65 |
| 994 | Environmental risk assessment | 4 | 116 | 279 | 276 |
| 996 | Mutagenesis | 3 | 115 | 407 | 256 |
| 996 | local government | 6 | 115 | 214 | 283 |
| 996 | men | 7 | 115 | 105 | 193 |
| 996 | Diplomatic relations | 53 | 115 | 64 | 238 |
| 1000 | healthcare disparities | 3 | 114 | 447 | 358 |