| 1 | Science | 461 | 40.0K | 581 | 486 |
| 2 | United States | 1,332 | 36.6K | 68 | 73 |
| 3 | management | 161 | 32.5K | 251 | 69 |
| 4 | Biology | 652 | 31.9K | 411 | 558 |
| 5 | Medicine | 361 | 31.0K | 700 | 414 |
| 6 | Ecology | 291 | 28.9K | 464 | 294 |
| 7 | Molecular Biology | 273 | 27.9K | 749 | 420 |
| 8 | Public Health | 137 | 25.0K | 560 | 155 |
| 9 | Chemistry | 651 | 23.9K | 596 | 657 |
| 10 | Psychology | 488 | 23.1K | 192 | 159 |
| 11 | Physics | 255 | 22.2K | 1063 | 795 |
| 12 | genome | 26 | 21.3K | 357 | 35 |
| 13 | Computational Biology | 63 | 20.9K | 341 | 47 |
| 14 | Bioinformatics | 53 | 20.6K | 318 | 31 |
| 15 | Molecular Genetics | 126 | 19.6K | 106 | 22 |
| 16 | Human genetics | 25 | 18.9K | 566 | 248 |
| 17 | Business | 85 | 18.2K | 174 | 35 |
| 18 | Family | 602 | 17.5K | 1 | 2 |
| 19 | Biochemistry | 438 | 15.2K | 754 | 740 |
| 20 | Environment | 178 | 14.8K | 442 | 368 |
| 21 | commerce | 35 | 14.8K | 224 | 33 |
| 22 | biological evolution | 158 | 14.5K | 134 | 120 |
| 23 | Natural history | 130 | 14.3K | 344 | 533 |
| 24 | Population Genetics | 50 | 13.7K | 175 | 23 |
| 25 | Molecular ecology | 37 | 13.0K | 201 | 24 |
| 26 | Materials | 179 | 12.1K | 806 | 529 |
| 27 | Catalysis | 126 | 11.9K | 573 | 282 |
| 28 | families | 424 | 11.8K | 1 | 2 |
| 29 | Psychiatry | 256 | 11.2K | 266 | 292 |
| 30 | Research | 333 | 10.5K | 628 | 620 |
| 31 | Environmental Health | 105 | 10.5K | 690 | 340 |
| 32 | Materials Science | 128 | 10.1K | 609 | 342 |
| 33 | Adolescent | 193 | 10.0K | 92 | 38 |
| 34 | adolescence | 169 | 10.0K | 12 | 11 |
| 35 | Child Development | 138 | 9.4K | 154 | 105 |
| 36 | Molecular evolution | 113 | 9.1K | 64 | 63 |
| 37 | Botany | 218 | 9.1K | 355 | 370 |
| 38 | counseling | 303 | 8.9K | 11 | 16 |
| 39 | Spectrum analysis | 308 | 8.9K | 304 | 474 |
| 40 | Microbiology | 171 | 8.6K | 727 | 682 |
| 41 | Neurology | 114 | 8.4K | 784 | 609 |
| 42 | psychotherapy | 136 | 8.4K | 67 | 67 |
| 43 | Education | 296 | 8.3K | 165 | 150 |
| 44 | Astronomy | 261 | 8.2K | 350 | 448 |
| 45 | Astrophysics | 146 | 8.2K | 521 | 566 |
| 46 | organization | 46 | 8.0K | 82 | 47 |
| 47 | Automation | 24 | 7.8K | 769 | 166 |
| 48 | Marriage | 275 | 7.8K | 1 | 2 |
| 49 | Evolution | 86 | 7.4K | 222 | 172 |
| 50 | Family Therapy | 349 | 7.2K | 1 | 2 |
| 51 | Biophysics | 202 | 6.9K | 637 | 600 |
| 52 | Environmental Toxicology | 31 | 6.9K | 540 | 77 |
| 53 | Phylogeny | 97 | 6.8K | 17 | 11 |
| 54 | Genetics | 98 | 6.8K | 467 | 427 |
| 55 | Adolescent Psychology | 96 | 6.4K | 27 | 11 |
| 56 | Biotechnology | 110 | 6.3K | 823 | 695 |
| 57 | Economics | 156 | 6.3K | 465 | 314 |
| 58 | Psychophysiology | 158 | 6.2K | 305 | 319 |
| 59 | Telecommunication | 66 | 6.1K | 409 | 201 |
| 60 | Analytical Chemistry | 146 | 6.1K | 542 | 424 |
| 61 | Signal Processing | 75 | 6.0K | 403 | 227 |
| 62 | Child psychology | 79 | 6.0K | 204 | 157 |
| 63 | Genomics | 149 | 6.0K | 208 | 205 |
| 64 | Condensed Matter | 154 | 5.8K | 539 | 467 |
| 65 | Small Business | 21 | 5.8K | 142 | 26 |
| 66 | Physiology | 122 | 5.8K | 546 | 452 |
| 67 | Thermodynamics | 244 | 5.7K | 4 | 4 |
| 68 | Thermochemistry | 240 | 5.6K | 2 | 3 |
| 69 | Behavior | 128 | 5.6K | 327 | 374 |
| 70 | Clinical Psychology | 109 | 5.5K | 96 | 112 |
| 71 | Solid State Physics | 166 | 5.5K | 569 | 492 |
| 72 | Youth | 86 | 5.4K | 17 | 15 |
| 73 | Computer Graphics | 72 | 5.2K | 192 | 95 |
| 74 | Nanotechnology | 101 | 5.2K | 840 | 744 |
| 75 | Marriage counseling | 155 | 5.1K | 1 | 2 |
| 76 | Entrepreneurship | 22 | 4.9K | 182 | 68 |
| 77 | Social Psychology | 170 | 4.8K | 156 | 260 |
| 78 | Critical Care Medicine | 35 | 4.6K | 330 | 203 |
| 79 | Critical Care | 34 | 4.6K | 335 | 203 |
| 80 | Developmental Psychology | 77 | 4.6K | 95 | 86 |
| 81 | Cardiovascular system | 9 | 4.5K | 696 | 258 |
| 82 | Respiration | 71 | 4.5K | 174 | 117 |
| 83 | human behavior | 111 | 4.4K | 230 | 343 |
| 84 | Metallurgy | 72 | 4.4K | 331 | 203 |
| 85 | Immunology | 39 | 4.3K | 777 | 486 |
| 86 | Metals | 67 | 4.2K | 305 | 199 |
| 87 | Radio | 75 | 4.1K | 191 | 165 |
| 88 | Statistics | 104 | 4.0K | 336 | 214 |
| 89 | Educational Technology | 80 | 4.0K | 54 | 32 |
| 90 | Political Science | 101 | 3.8K | 190 | 135 |
| 91 | Hypertension | 7 | 3.7K | 799 | 260 |
| 92 | Geophysics | 71 | 3.6K | 683 | 535 |
| 93 | Sports Medicine | 129 | 3.6K | 203 | 247 |
| 94 | Heterocyclic compounds | 186 | 3.6K | 6 | 3 |
| 95 | Surface Chemistry | 128 | 3.6K | 486 | 564 |
| 96 | coal | 82 | 3.5K | 118 | 111 |
| 97 | Neuropsychology | 75 | 3.4K | 330 | 263 |
| 98 | Sociology | 119 | 3.4K | 288 | 305 |
| 99 | Mathematics | 343 | 3.4K | 516 | 643 |
| 100 | Growth | 25 | 3.3K | 326 | 216 |
| 101 | Social Sciences | 126 | 3.3K | 269 | 238 |
| 102 | Combustion | 94 | 3.3K | 111 | 109 |
| 103 | Health Education | 136 | 3.3K | 121 | 144 |
| 104 | Nuclear Physics | 131 | 3.3K | 839 | 860 |
| 105 | Pollution | 66 | 3.3K | 1094 | 1049 |
| 106 | Virology | 58 | 3.3K | 528 | 597 |
| 107 | Endocrinology | 44 | 3.3K | 662 | 529 |
| 108 | Entomology | 98 | 3.2K | 204 | 142 |
| 109 | Crystallography | 42 | 3.2K | 333 | 62 |
| 110 | Teaching | 106 | 3.2K | 104 | 117 |
| 111 | Radio waves | 67 | 3.1K | 112 | 105 |
| 112 | Colloids | 86 | 3.1K | 665 | 672 |
| 113 | Chemical Engineering | 110 | 3.1K | 765 | 911 |
| 113 | Metabolism | 40 | 3.1K | 621 | 504 |
| 115 | Language Disorders | 71 | 3.0K | 95 | 53 |
| 116 | Electronics | 84 | 3.0K | 553 | 394 |
| 117 | Chromatography | 145 | 3.0K | 24 | 38 |
| 118 | Bioengineering | 60 | 3.0K | 821 | 777 |
| 119 | mass transfer | 51 | 3.0K | 281 | 166 |
| 120 | Developing countries | 37 | 2.9K | 427 | 191 |
| 121 | miniaturization | 39 | 2.9K | 382 | 324 |
| 122 | Metabolic diseases | 30 | 2.9K | 579 | 432 |
| 123 | Sports | 110 | 2.9K | 182 | 222 |
| 124 | Child | 60 | 2.8K | 343 | 219 |
| 125 | Cytology | 56 | 2.8K | 890 | 877 |
| 126 | Econometrics | 29 | 2.8K | 367 | 152 |
| 127 | Insects | 61 | 2.8K | 127 | 79 |
| 128 | Epidemiology | 64 | 2.8K | 597 | 462 |
| 129 | Speech Disorders | 84 | 2.7K | 114 | 100 |
| 130 | Cell Biology | 40 | 2.7K | 992 | 884 |
| 131 | Organic Chemistry | 109 | 2.6K | 388 | 481 |
| 132 | Economic History | 57 | 2.6K | 580 | 286 |
| 133 | Robotics | 70 | 2.6K | 178 | 155 |
| 134 | Educational Psychology | 69 | 2.6K | 186 | 190 |
| 135 | Control Theory | 22 | 2.6K | 623 | 166 |
| 136 | soil microbiology | 33 | 2.5K | 328 | 267 |
| 137 | Physical Chemistry | 70 | 2.5K | 341 | 372 |
| 138 | Geography | 76 | 2.5K | 272 | 273 |
| 139 | Solar System | 41 | 2.5K | 159 | 97 |
| 140 | Brain | 44 | 2.5K | 673 | 512 |
| 141 | Archaeology | 44 | 2.5K | 269 | 117 |
| 142 | Zoology | 124 | 2.4K | 203 | 273 |
| 143 | Developmental Disabilities | 51 | 2.4K | 144 | 128 |
| 144 | Geology | 84 | 2.4K | 562 | 543 |
| 145 | Health promotion | 68 | 2.4K | 117 | 124 |
| 146 | Surgery | 9 | 2.4K | 761 | 374 |
| 147 | Mental Disorders | 51 | 2.4K | 498 | 508 |
| 148 | Electrochemistry | 167 | 2.4K | 487 | 675 |
| 149 | Earth Sciences | 39 | 2.4K | 846 | 506 |
| 150 | Information Technology | 34 | 2.3K | 459 | 251 |
| 151 | Neurophysiology | 54 | 2.3K | 611 | 612 |
| 152 | Differential Equations | 47 | 2.3K | 124 | 36 |
| 153 | finance | 51 | 2.3K | 430 | 263 |
| 154 | Business Ethics | 34 | 2.3K | 106 | 132 |
| 155 | Pediatrics | 37 | 2.3K | 514 | 390 |
| 156 | Agriculture | 79 | 2.3K | 197 | 240 |
| 157 | Hearing | 70 | 2.2K | 66 | 50 |
| 158 | Environmental monitoring | 51 | 2.2K | 743 | 733 |
| 159 | Strategic planning | 13 | 2.2K | 224 | 43 |
| 160 | Optics | 138 | 2.1K | 596 | 683 |
| 161 | personality | 33 | 2.1K | 393 | 330 |
| 162 | Communication | 100 | 2.1K | 171 | 296 |
| 163 | Plant physiology | 41 | 2.1K | 474 | 451 |
| 164 | Speech | 66 | 2.1K | 93 | 97 |
| 165 | Microbial Ecology | 41 | 2.1K | 478 | 517 |
| 166 | Leisure | 55 | 2.1K | 13 | 18 |
| 167 | Aging | 86 | 2.1K | 371 | 431 |
| 168 | human development | 70 | 2.1K | 57 | 97 |
| 169 | Polymers | 48 | 2.0K | 1251 | 911 |
| 170 | Computer-Aided Design | 33 | 2.0K | 212 | 97 |
| 171 | Autism | 31 | 2.0K | 120 | 95 |
| 172 | Mechanical Engineering | 58 | 2.0K | 416 | 200 |
| 173 | Research Design | 14 | 2.0K | 428 | 169 |
| 174 | Counseling Psychology | 24 | 2.0K | 41 | 19 |
| 175 | Image Processing | 27 | 2.0K | 686 | 398 |
| 176 | Nuclear Engineering | 61 | 2.0K | 225 | 96 |
| 177 | Nutrition | 92 | 2.0K | 548 | 800 |
| 178 | Liposomes | 8 | 1.9K | 280 | 51 |
| 179 | Immunity | 12 | 1.9K | 753 | 523 |
| 180 | Membranes | 48 | 1.9K | 335 | 389 |
| 181 | Mental illness | 27 | 1.9K | 478 | 419 |
| 182 | Agricultural Science | 62 | 1.9K | 13 | 34 |
| 183 | Sites | 19 | 1.9K | 150 | 64 |
| 184 | Cancer | 26 | 1.9K | 936 | 735 |
| 185 | internet | 18 | 1.9K | 524 | 190 |
| 186 | gene mapping | 33 | 1.9K | 418 | 367 |
| 187 | Lipid bilayers | 7 | 1.9K | 269 | 53 |
| 188 | Mathematical Physics | 47 | 1.8K | 740 | 475 |
| 189 | Soil Science | 40 | 1.8K | 344 | 276 |
| 190 | Conservation Biology | 36 | 1.8K | 160 | 172 |
| 191 | Biomedical Engineering | 81 | 1.8K | 831 | 1072 |
| 191 | Physical Therapy | 30 | 1.8K | 274 | 191 |
| 193 | Biodiversity | 35 | 1.7K | 471 | 394 |
| 194 | Medical genetics | 25 | 1.7K | 758 | 672 |
| 195 | Soil biology | 17 | 1.7K | 314 | 221 |
| 196 | Nuclear family | 98 | 1.7K | 1 | 1 |
| 197 | Neurons | 6 | 1.7K | 370 | 321 |
| 198 | Social work | 95 | 1.7K | 120 | 125 |
| 199 | Production Management | 16 | 1.7K | 428 | 300 |
| 200 | Geochemistry | 42 | 1.7K | 503 | 504 |
| 201 | Combinatorial chemistry | 27 | 1.7K | 131 | 114 |
| 202 | Environmental Engineering | 27 | 1.7K | 1138 | 794 |
| 203 | Computer Vision | 17 | 1.7K | 381 | 225 |
| 204 | Decision making | 31 | 1.6K | 267 | 200 |
| 205 | Statistical physics | 71 | 1.6K | 773 | 801 |
| 206 | Medical Laboratory Science | 23 | 1.6K | 611 | 441 |
| 207 | Chromatographic analysis | 69 | 1.6K | 165 | 140 |
| 208 | Vocational guidance | 46 | 1.6K | 146 | 175 |
| 209 | behavioral medicine | 39 | 1.6K | 225 | 263 |
| 210 | Geriatrics | 67 | 1.6K | 445 | 471 |
| 211 | Pharmacology | 43 | 1.6K | 1315 | 1200 |
| 212 | machinery | 32 | 1.6K | 89 | 34 |
| 213 | Quantum Gravity | 30 | 1.5K | 845 | 642 |
| 214 | Economic Development | 24 | 1.5K | 412 | 293 |
| 214 | Public Administration | 57 | 1.5K | 178 | 177 |
| 216 | violence | 45 | 1.5K | 134 | 141 |
| 217 | Biocompatible Materials | 45 | 1.5K | 977 | 1150 |
| 218 | Machine Learning | 5 | 1.5K | 223 | 64 |
| 219 | Planets | 26 | 1.5K | 503 | 445 |
| 220 | Wireless Communication Systems | 26 | 1.5K | 780 | 428 |
| 221 | Distance Education | 31 | 1.5K | 16 | 15 |
| 222 | Mass Spectrometry | 50 | 1.5K | 138 | 164 |
| 223 | Biogeography | 20 | 1.5K | 316 | 252 |
| 223 | Plant Ecology | 44 | 1.5K | 354 | 438 |
| 225 | Europe | 37 | 1.4K | 761 | 487 |
| 226 | environmental pollution | 44 | 1.4K | 1095 | 1239 |
| 227 | marketing | 38 | 1.4K | 432 | 479 |
| 228 | Plants | 38 | 1.4K | 434 | 544 |
| 229 | Organizational Behavior | 22 | 1.4K | 125 | 132 |
| 230 | Toxicology | 47 | 1.4K | 1096 | 1168 |
| 231 | Chromosome mapping | 28 | 1.3K | 420 | 370 |
| 232 | Developmental Biology | 31 | 1.3K | 498 | 551 |
| 233 | Diet | 44 | 1.3K | 365 | 531 |
| 234 | Microelectronics | 22 | 1.3K | 597 | 467 |
| 235 | Auditing | 24 | 1.3K | 30 | 26 |
| 236 | Obesity | 42 | 1.3K | 389 | 484 |
| 237 | paraphilias | 25 | 1.3K | 10 | 10 |
| 238 | Reading | 67 | 1.3K | 33 | 72 |
| 239 | preventive medicine | 24 | 1.3K | 298 | 242 |
| 239 | child abuse | 28 | 1.3K | 164 | 156 |
| 241 | Health | 51 | 1.3K | 330 | 382 |
| 242 | Alzheimer's disease | 53 | 1.3K | 239 | 204 |
| 243 | viruses | 23 | 1.2K | 401 | 405 |
| 244 | Operations Research | 18 | 1.2K | 919 | 521 |
| 245 | Hydrology | 55 | 1.2K | 393 | 536 |
| 246 | Organizational change | 8 | 1.2K | 364 | 63 |
| 247 | plant molecular biology | 16 | 1.2K | 579 | 524 |
| 248 | Brain damage | 30 | 1.2K | 37 | 30 |
| 249 | International Relations | 30 | 1.2K | 239 | 146 |
| 250 | Paleontology | 31 | 1.2K | 338 | 232 |
| 251 | Genetic engineering | 18 | 1.2K | 730 | 522 |
| 252 | Mental Health | 32 | 1.2K | 341 | 235 |
| 253 | Labor Economics | 16 | 1.2K | 115 | 58 |
| 254 | Linguistics | 51 | 1.2K | 230 | 216 |
| 255 | Transportation | 70 | 1.2K | 227 | 365 |
| 256 | Drug delivery systems | 6 | 1.2K | 1072 | 369 |
| 257 | Plastics | 16 | 1.1K | 645 | 243 |
| 258 | Social interaction | 44 | 1.1K | 11 | 31 |
| 258 | world | 18 | 1.1K | 187 | 168 |
| 260 | Psychopharmacology | 22 | 1.1K | 451 | 416 |
| 261 | Engineering Mathematics | 17 | 1.1K | 691 | 237 |
| 262 | Mechanics | 12 | 1.1K | 600 | 144 |
| 263 | Pharmaceutical Chemistry | 47 | 1.1K | 869 | 1006 |
| 263 | Animal Behavior | 31 | 1.1K | 524 | 561 |
| 265 | Nursing | 40 | 1.1K | 335 | 216 |
| 266 | Development | 12 | 1.1K | 287 | 162 |
| 267 | speech therapy | 31 | 1.1K | 61 | 42 |
| 268 | analysis | 9 | 1.1K | 191 | 71 |
| 269 | Economic Assistance | 10 | 1.1K | 290 | 148 |
| 270 | plasticity | 14 | 1.1K | 120 | 98 |
| 271 | Socioeconomic Factors | 42 | 1.1K | 57 | 83 |
| 271 | Parasitology | 63 | 1.1K | 305 | 434 |
| 273 | labor | 15 | 1.1K | 54 | 37 |
| 274 | working class | 13 | 1.1K | 36 | 37 |
| 275 | Photonics | 28 | 1.1K | 593 | 599 |
| 276 | Renewable Energy Sources | 13 | 1.1K | 1288 | 1095 |
| 277 | Child welfare | 47 | 1.1K | 144 | 147 |
| 277 | older people | 53 | 1.1K | 260 | 206 |
| 279 | Public Relations | 26 | 1.1K | 53 | 34 |
| 280 | Electrophoresis | 35 | 1.1K | 293 | 271 |
| 281 | Plant diseases | 27 | 1.0K | 559 | 421 |
| 282 | Diabetes mellitus | 14 | 1.0K | 760 | 562 |
| 283 | Nervous system | 17 | 1.0K | 920 | 709 |
| 284 | recreation | 69 | 1.0K | 43 | 66 |
| 285 | Investments | 16 | 1.0K | 70 | 16 |
| 286 | Mental Health Services | 25 | 1.0K | 285 | 204 |
| 287 | Substance Abuse | 42 | 1.0K | 260 | 287 |
| 287 | Dementia | 49 | 1.0K | 243 | 203 |
| 289 | Pediatric Nursing | 125 | 1.0K | 3 | 32 |
| 289 | Social behavior | 29 | 1.0K | 282 | 304 |
| 291 | Obstetrics | 24 | 1.0K | 665 | 505 |
| 292 | Nonlinear Dynamics | 34 | 1.0K | 618 | 573 |
| 293 | Radiation | 51 | 1.0K | 327 | 358 |
| 294 | Mineralogy | 37 | 998 | 341 | 388 |
| 295 | Proteome | 27 | 989 | 237 | 307 |
| 296 | Obstetric Nursing | 125 | 988 | 1 | 17 |
| 297 | health behavior | 29 | 972 | 185 | 179 |
| 298 | behavior therapy | 31 | 970 | 195 | 217 |
| 299 | Artificial Intelligence | 52 | 967 | 819 | 1090 |
| 300 | Genes | 24 | 957 | 244 | 167 |
| 301 | Molecular cloning | 7 | 953 | 871 | 266 |
| 301 | Genetic recombination | 7 | 953 | 858 | 261 |
| 301 | Recombinant DNA | 7 | 953 | 919 | 297 |
| 304 | language therapy | 24 | 952 | 18 | 11 |
| 305 | Cognition | 35 | 948 | 460 | 530 |
| 306 | radiative transfer | 45 | 947 | 76 | 98 |
| 307 | Cognitive neuroscience | 19 | 942 | 346 | 360 |
| 308 | Classification | 6 | 940 | 130 | 49 |
| 309 | Fluid Mechanics | 29 | 932 | 393 | 352 |
| 310 | Marine Biology | 30 | 931 | 780 | 759 |
| 311 | Geomorphology | 20 | 916 | 483 | 431 |
| 312 | ecosystem | 7 | 914 | 793 | 418 |
| 313 | Vocational Education | 32 | 912 | 66 | 45 |
| 313 | Immune system | 7 | 912 | 535 | 427 |
| 315 | Ethology | 23 | 899 | 492 | 543 |
| 316 | Immunotherapy | 6 | 897 | 1081 | 565 |
| 317 | Cognitive Science | 17 | 892 | 525 | 434 |
| 317 | Diabetes | 11 | 892 | 889 | 645 |
| 319 | Aggression | 20 | 883 | 101 | 95 |
| 320 | Gerontology | 66 | 880 | 275 | 375 |
| 321 | Breeding | 20 | 875 | 364 | 272 |
| 322 | Learning disabilities | 41 | 874 | 127 | 161 |
| 323 | Atomic spectroscopy | 49 | 872 | 132 | 205 |
| 324 | Public Policy | 28 | 871 | 419 | 405 |
| 325 | Database Management | 31 | 863 | 157 | 184 |
| 326 | Molecular structure | 15 | 856 | 1055 | 622 |
| 327 | Technology | 38 | 851 | 960 | 1000 |
| 328 | Roads | 62 | 847 | 97 | 116 |
| 329 | Clinical Chemistry | 22 | 846 | 875 | 815 |
| 330 | Microscopy | 22 | 834 | 345 | 231 |
| 331 | Neurochemistry | 19 | 833 | 891 | 783 |
| 332 | Industrial Engineering | 24 | 831 | 508 | 451 |
| 332 | Second Language Acquisition | 3 | 831 | 176 | 31 |
| 334 | Women's health | 27 | 830 | 229 | 192 |
| 335 | Special Education | 45 | 821 | 102 | 126 |
| 335 | Diagnostic Imaging | 4 | 821 | 1405 | 480 |
| 335 | Molecules | 51 | 821 | 287 | 393 |
| 338 | Mycology | 44 | 813 | 267 | 443 |
| 339 | Neurobiology | 19 | 812 | 621 | 669 |
| 340 | Urban Economics | 12 | 810 | 101 | 88 |
| 341 | Politics | 20 | 809 | 142 | 92 |
| 341 | government | 19 | 809 | 172 | 116 |
| 343 | Socialization | 33 | 807 | 53 | 141 |
| 344 | Ecological Genetics | 15 | 803 | 146 | 39 |
| 344 | Music | 47 | 803 | 75 | 98 |
| 346 | Hippocampus | 9 | 795 | 122 | 98 |
| 347 | Criminology | 23 | 790 | 294 | 206 |
| 348 | Meteorites | 11 | 789 | 476 | 419 |
| 349 | Medical Anthropology | 17 | 787 | 415 | 408 |
| 350 | Exercise | 33 | 777 | 290 | 308 |
| 351 | Orthopedics | 18 | 776 | 509 | 396 |
| 352 | Sound | 162 | 772 | 14 | 175 |
| 353 | micromechanics | 24 | 770 | 118 | 110 |
| 354 | Energy Policy | 12 | 764 | 1371 | 1129 |
| 355 | Light | 7 | 762 | 565 | 470 |
| 355 | Australia | 22 | 762 | 446 | 295 |
| 357 | Psychosomatic Medicine | 7 | 756 | 430 | 230 |
| 358 | Portfolio Management | 12 | 754 | 69 | 19 |
| 359 | System analysis | 20 | 753 | 872 | 623 |
| 360 | polar regions | 21 | 742 | 136 | 105 |
| 361 | Fluid Dynamics | 29 | 732 | 265 | 283 |
| 362 | Earthquake Engineering | 21 | 731 | 495 | 447 |
| 363 | mammals | 38 | 729 | 134 | 199 |
| 364 | International security | 11 | 727 | 77 | 70 |
| 365 | Computational Linguistics | 19 | 726 | 47 | 18 |
| 366 | Systems Engineering | 13 | 725 | 999 | 566 |
| 367 | mathematical analysis | 67 | 723 | 468 | 576 |
| 368 | Minerals | 13 | 720 | 214 | 100 |
| 369 | Biomechanics | 27 | 716 | 304 | 384 |
| 369 | Bacteriology | 21 | 716 | 614 | 728 |
| 371 | Neural circuitry | 11 | 714 | 1057 | 618 |
| 372 | Psycholinguistics | 11 | 709 | 459 | 325 |
| 373 | Learning | 23 | 699 | 405 | 426 |
| 374 | Eating Disorders | 20 | 697 | 254 | 239 |
| 375 | Developed countries | 4 | 696 | 174 | 43 |
| 376 | Quantitative Research | 17 | 693 | 59 | 61 |
| 377 | Demography | 27 | 692 | 109 | 163 |
| 378 | Cytogenetics | 10 | 683 | 646 | 530 |
| 379 | Restoration Ecology | 17 | 681 | 83 | 87 |
| 380 | rehabilitation | 27 | 678 | 552 | 628 |
| 381 | alcoholism | 28 | 674 | 377 | 455 |
| 381 | Catalysts | 4 | 674 | 588 | 117 |
| 383 | Wildlife conservation | 29 | 672 | 245 | 430 |
| 384 | Thorax | 12 | 668 | 155 | 128 |
| 385 | Biomass Energy | 10 | 662 | 1317 | 1070 |
| 386 | Sexual health | 29 | 660 | 114 | 147 |
| 387 | Environmental Policy | 17 | 658 | 1258 | 1359 |
| 388 | health services | 28 | 655 | 192 | 216 |
| 389 | School Psychology | 22 | 653 | 125 | 123 |
| 390 | Bryology | 18 | 652 | 35 | 17 |
| 391 | Reproduction | 24 | 650 | 713 | 706 |
| 392 | Petrology | 20 | 648 | 388 | 416 |
| 393 | Birds | 46 | 646 | 201 | 262 |
| 394 | Early Childhood Education | 25 | 645 | 100 | 86 |
| 395 | Analytical Biochemistry | 22 | 639 | 454 | 465 |
| 396 | Nanostructured Materials | 30 | 634 | 1032 | 1276 |
| 397 | Food | 32 | 633 | 835 | 1216 |
| 398 | Wind power | 17 | 632 | 36 | 33 |
| 399 | mosses | 10 | 630 | 37 | 9 |
| 399 | liverworts | 10 | 630 | 37 | 9 |
| 401 | Health Services Research | 16 | 627 | 545 | 405 |
| 402 | Parasitic Diseases | 34 | 623 | 380 | 604 |
| 403 | Religion | 57 | 621 | 69 | 46 |
| 403 | Paleopathology | 3 | 621 | 306 | 23 |
| 405 | Software Engineering | 29 | 618 | 207 | 298 |
| 406 | Medical Technology | 14 | 617 | 570 | 404 |
| 406 | Systems Analysis | 10 | 617 | 525 | 184 |
| 408 | Health Policy | 24 | 615 | 612 | 617 |
| 409 | Writing | 5 | 601 | 187 | 51 |
| 410 | air quality | 7 | 600 | 58 | 7 |
| 411 | nucleic acids | 29 | 599 | 475 | 752 |
| 412 | sanitation | 6 | 597 | 971 | 807 |
| 412 | proteins | 33 | 597 | 479 | 643 |
| 414 | Dietetics | 27 | 594 | 130 | 150 |
| 415 | nanoscience | 13 | 592 | 1405 | 1253 |
| 416 | Structural design | 18 | 591 | 214 | 199 |
| 417 | Memory | 26 | 590 | 501 | 614 |
| 418 | Investment analysis | 14 | 582 | 235 | 156 |
| 419 | Drug delivery devices | 1 | 581 | 473 | 47 |
| 419 | actuators | 18 | 581 | 863 | 901 |
| 419 | Information Science | 19 | 581 | 910 | 923 |
| 419 | transducers | 18 | 581 | 863 | 901 |
| 423 | Forest Ecology | 14 | 579 | 390 | 375 |
| 424 | Embryology | 21 | 577 | 497 | 637 |
| 425 | Biogeochemistry | 7 | 576 | 654 | 500 |
| 426 | peace | 15 | 572 | 151 | 156 |
| 427 | Biodiversity conservation | 16 | 569 | 605 | 854 |
| 428 | Medical Microbiology | 14 | 568 | 883 | 908 |
| 429 | Manufacturing Processes | 18 | 567 | 904 | 821 |
| 429 | Adult Education | 29 | 567 | 79 | 52 |
| 429 | consumer behavior | 16 | 567 | 116 | 186 |
| 429 | sex crimes | 20 | 567 | 153 | 143 |
| 429 | Plant cells | 14 | 567 | 484 | 691 |
| 434 | Oncology | 17 | 563 | 715 | 1083 |
| 435 | Maternal health services | 12 | 560 | 107 | 70 |
| 436 | Bioorganic chemistry | 29 | 555 | 897 | 1123 |
| 437 | Forest Management | 15 | 554 | 348 | 347 |
| 438 | Proteomics | 9 | 553 | 530 | 386 |
| 439 | Parasites | 33 | 549 | 294 | 440 |
| 440 | Nuclear non-proliferation | 4 | 548 | 44 | 30 |
| 441 | Soil dynamics | 13 | 546 | 177 | 137 |
| 442 | Social problems | 16 | 541 | 180 | 218 |
| 443 | Shock Waves | 4 | 540 | 130 | 17 |
| 444 | Smart Materials | 14 | 536 | 323 | 266 |
| 444 | environmental exposure | 10 | 536 | 946 | 692 |
| 446 | Atmospheric Physics | 8 | 535 | 871 | 623 |
| 447 | Surface properties | 12 | 531 | 456 | 429 |
| 448 | Organometallic compounds | 33 | 530 | 271 | 452 |
| 449 | Animal ecology | 13 | 528 | 520 | 438 |
| 450 | Surface-Active Agents | 11 | 526 | 454 | 382 |
| 451 | Wildlife management | 26 | 524 | 105 | 119 |
| 452 | drug development | 2 | 523 | 980 | 467 |
| 453 | Anthropology | 40 | 521 | 333 | 405 |
| 453 | plant communities | 16 | 521 | 416 | 548 |
| 455 | free radicals | 9 | 520 | 722 | 683 |
| 456 | Climate change | 13 | 518 | 418 | 755 |
| 457 | energy conservation | 15 | 516 | 815 | 992 |
| 457 | Emotions | 13 | 516 | 250 | 279 |
| 459 | Eutrophication | 12 | 514 | 434 | 751 |
| 459 | Solutions | 24 | 514 | 31 | 37 |
| 459 | Allergy | 4 | 514 | 769 | 588 |
| 462 | Evolutionary Genetics | 8 | 511 | 251 | 110 |
| 462 | Molecular Epidemiology | 8 | 511 | 251 | 110 |
| 462 | Aerosols | 18 | 511 | 145 | 161 |
| 465 | Quality Control | 45 | 509 | 162 | 526 |
| 466 | Leadership | 5 | 508 | 369 | 235 |
| 467 | energy resources | 2 | 507 | 1540 | 793 |
| 468 | Political Psychology | 23 | 505 | 60 | 135 |
| 469 | Data Mining | 15 | 501 | 540 | 565 |
| 469 | Crystallization | 7 | 501 | 290 | 89 |
| 471 | Microfluidics | 11 | 499 | 55 | 39 |
| 472 | family violence | 12 | 497 | 147 | 140 |
| 472 | international cooperation | 8 | 497 | 292 | 172 |
| 474 | Environmental Chemistry | 24 | 493 | 526 | 993 |
| 475 | Humanities | 34 | 492 | 206 | 228 |
| 475 | Freezing | 2 | 492 | 363 | 35 |
| 477 | language | 41 | 491 | 99 | 312 |
| 478 | Ceramics | 12 | 486 | 658 | 425 |
| 479 | economic policy | 34 | 485 | 566 | 625 |
| 480 | Glass | 9 | 483 | 551 | 375 |
| 480 | pottery | 9 | 483 | 518 | 364 |
| 482 | Optical materials | 12 | 480 | 1347 | 1253 |
| 483 | Asia | 27 | 479 | 683 | 647 |
| 484 | voice | 21 | 478 | 93 | 91 |
| 484 | Composite Materials | 23 | 478 | 966 | 1308 |
| 484 | adulthood | 17 | 478 | 4 | 7 |
| 487 | Anxiety Disorders | 6 | 476 | 323 | 273 |
| 487 | Anxiety | 6 | 476 | 322 | 275 |
| 487 | crime | 15 | 476 | 256 | 195 |
| 490 | Community Psychiatry | 14 | 475 | 335 | 342 |
| 490 | Host-parasite interactions | 3 | 475 | 1039 | 660 |
| 492 | Biochemical Engineering | 13 | 472 | 1577 | 1844 |
| 492 | Criminal psychology | 16 | 472 | 281 | 267 |
| 494 | Environmental Management | 17 | 468 | 1184 | 1569 |
| 495 | Audiology | 23 | 467 | 199 | 248 |
| 495 | Catalyst | 1 | 467 | 70 | 23 |
| 497 | Neuropsychiatry | 14 | 464 | 284 | 288 |
| 498 | Literacy | 27 | 463 | 26 | 37 |
| 499 | Securities | 4 | 458 | 236 | 64 |
| 500 | Social welfare | 22 | 451 | 134 | 141 |
| 501 | primary prevention | 3 | 448 | 364 | 87 |
| 501 | technical education | 27 | 448 | 77 | 115 |
| 503 | drugs | 5 | 445 | 1409 | 746 |
| 504 | Acoustics | 21 | 443 | 72 | 80 |
| 505 | Fungi | 17 | 442 | 337 | 491 |
| 506 | Environmental Geology | 13 | 440 | 705 | 638 |
| 507 | nucleotides | 32 | 438 | 34 | 21 |
| 507 | role | 17 | 438 | 96 | 194 |
| 507 | polymerization | 16 | 438 | 1753 | 1611 |
| 507 | Suicide | 6 | 438 | 328 | 166 |
| 511 | biological factors | 8 | 437 | 1131 | 728 |
| 512 | Remote Sensing | 11 | 436 | 693 | 352 |
| 512 | Bioinorganic chemistry | 17 | 436 | 568 | 565 |
| 514 | Systems Biology | 15 | 434 | 561 | 560 |
| 515 | DNA polymerases | 4 | 433 | 292 | 306 |
| 516 | Cybernetics | 18 | 424 | 546 | 708 |
| 517 | Zeolites | 8 | 423 | 513 | 392 |
| 518 | Urology | 15 | 422 | 615 | 604 |
| 519 | complementary therapies | 25 | 420 | 306 | 503 |
| 520 | educational innovations | 11 | 416 | 177 | 147 |
| 521 | Oncogenes | 4 | 411 | 762 | 661 |
| 522 | drug addiction | 17 | 406 | 385 | 501 |
| 523 | Atmospheric Chemistry | 4 | 401 | 686 | 538 |
| 524 | urban population | 3 | 400 | 198 | 124 |
| 525 | Continuing Education | 13 | 399 | 127 | 45 |
| 526 | Quantum electronics | 24 | 396 | 481 | 532 |
| 526 | Oxidation-reduction | 7 | 396 | 470 | 529 |
| 528 | Nonprofit organizations | 20 | 395 | 35 | 86 |
| 529 | Community Psychology | 15 | 394 | 174 | 260 |
| 529 | elder abuse | 11 | 394 | 105 | 98 |
| 529 | Religion and Psychology | 23 | 394 | 44 | 45 |
| 532 | Geodynamics | 13 | 393 | 403 | 458 |
| 532 | War and Society | 7 | 393 | 114 | 114 |
| 532 | warfare | 7 | 393 | 145 | 128 |
| 535 | Personality Assessment | 9 | 392 | 283 | 301 |
| 536 | biomedicine | 5 | 391 | 312 | 156 |
| 537 | Teratology | 17 | 384 | 56 | 106 |
| 538 | Neuromuscular diseases | 4 | 382 | 462 | 244 |
| 538 | Ore deposits | 4 | 382 | 445 | 212 |
| 538 | Muscles | 4 | 382 | 620 | 404 |
| 541 | Development Economics | 9 | 381 | 141 | 122 |
| 542 | civil service | 13 | 377 | 111 | 137 |
| 543 | Culture | 29 | 374 | 217 | 257 |
| 544 | Anatomy | 17 | 372 | 756 | 821 |
| 545 | nursing education | 8 | 371 | 43 | 8 |
| 546 | child mental health | 34 | 369 | 46 | 144 |
| 547 | Divorce | 17 | 367 | 11 | 5 |
| 547 | Social Issues | 9 | 367 | 96 | 99 |
| 547 | California | 22 | 367 | 94 | 128 |
| 550 | Paleoclimatology | 7 | 365 | 704 | 564 |
| 551 | Engineering | 35 | 364 | 1192 | 1678 |
| 552 | Political Sociology | 14 | 363 | 153 | 176 |
| 553 | Pharmacognosy | 10 | 362 | 974 | 979 |
| 554 | Speech acoustics | 5 | 360 | 127 | 87 |
| 554 | baking | 11 | 360 | 58 | 58 |
| 556 | Geometry | 28 | 357 | 326 | 239 |
| 557 | environmental indicators | 9 | 356 | 591 | 623 |
| 558 | Biomass | 5 | 353 | 469 | 319 |
| 558 | Radiation effects | 8 | 353 | 288 | 273 |
| 560 | Herpetology | 20 | 345 | 40 | 36 |
| 561 | Paleoecology | 9 | 343 | 618 | 538 |
| 562 | Plant Genetics | 4 | 339 | 548 | 420 |
| 562 | Cartography | 6 | 339 | 246 | 56 |
| 562 | Geodesy | 6 | 339 | 468 | 214 |
| 565 | Environmental Psychology | 4 | 337 | 277 | 248 |
| 566 | Medical Physics | 8 | 335 | 880 | 753 |
| 566 | Microeconomics | 11 | 335 | 113 | 133 |
| 568 | Mechatronics | 5 | 333 | 676 | 366 |
| 568 | behavior modification | 13 | 333 | 157 | 256 |
| 568 | stocks | 1 | 333 | 343 | 24 |
| 571 | Thin Films | 25 | 331 | 58 | 99 |
| 571 | Medical innovations | 2 | 331 | 970 | 678 |
| 573 | Water | 19 | 330 | 919 | 1506 |
| 574 | Chemical Ecology | 12 | 325 | 184 | 266 |
| 574 | environmental protection | 14 | 325 | 1634 | 1888 |
| 574 | pheromones | 12 | 325 | 159 | 244 |
| 577 | Welfare Economics | 6 | 324 | 290 | 191 |
| 578 | Oxidative stress | 5 | 323 | 613 | 621 |
| 578 | Marine invertebrates | 11 | 323 | 51 | 24 |
| 580 | Human Capital | 11 | 317 | 46 | 71 |
| 581 | Population | 16 | 316 | 270 | 391 |
| 582 | Reptiles | 18 | 315 | 32 | 34 |
| 583 | data collection | 10 | 314 | 450 | 504 |
| 583 | Student Health Services | 9 | 314 | 135 | 94 |
| 585 | Mental Health Counseling | 4 | 310 | 81 | 10 |
| 586 | Meteorology | 8 | 308 | 1229 | 1207 |
| 586 | biological invasions | 12 | 308 | 193 | 277 |
| 586 | motor skills | 1 | 308 | 413 | 81 |
| 589 | locomotion | 10 | 307 | 286 | 293 |
| 589 | posture | 10 | 307 | 286 | 293 |
| 589 | gait | 10 | 307 | 286 | 293 |
| 589 | walking | 10 | 307 | 286 | 293 |
| 593 | Sleep Disorders | 45 | 306 | 280 | 651 |
| 593 | Crisis Intervention | 1 | 306 | 297 | 43 |
| 595 | Soft Condensed Matter | 6 | 305 | 704 | 544 |
| 595 | biopolymers | 6 | 305 | 779 | 584 |
| 597 | Agricultural Chemistry | 24 | 302 | 632 | 1174 |
| 598 | data protection | 3 | 301 | 594 | 117 |
| 598 | venom | 11 | 301 | 271 | 284 |
| 598 | Toxins | 11 | 301 | 306 | 325 |
| 601 | Leukemia | 2 | 300 | 802 | 542 |
| 601 | Japan | 7 | 300 | 1073 | 571 |
| 601 | lasers | 20 | 300 | 791 | 895 |
| 604 | History | 40 | 294 | 246 | 129 |
| 604 | Adolescent Medicine | 13 | 294 | 183 | 431 |
| 606 | International Finance | 17 | 293 | 636 | 854 |
| 607 | Sleep | 46 | 290 | 275 | 676 |
| 608 | Nutrition physiology | 18 | 289 | 167 | 364 |
| 608 | disabilities | 4 | 289 | 564 | 284 |
| 610 | mycoses | 3 | 284 | 682 | 523 |
| 610 | Business communication | 21 | 284 | 18 | 44 |
| 612 | Quality Management | 25 | 283 | 14 | 26 |
| 612 | Cell differentiation | 12 | 283 | 677 | 976 |
| 614 | Mathematics Education | 10 | 281 | 179 | 125 |
| 614 | Perception | 18 | 281 | 635 | 850 |
| 616 | Causality | 1 | 280 | 48 | 6 |
| 616 | Causation | 1 | 280 | 48 | 6 |
| 616 | Communication Disorders | 18 | 280 | 50 | 86 |
| 619 | Smoking | 11 | 278 | 318 | 417 |
| 620 | Metallography | 10 | 277 | 380 | 367 |
| 621 | Structural optimization | 16 | 276 | 88 | 173 |
| 621 | Geographic information systems | 19 | 276 | 259 | 358 |
| 621 | occupational diseases | 14 | 276 | 253 | 384 |
| 621 | Nanostructures | 3 | 276 | 1881 | 1136 |
| 625 | China | 14 | 275 | 1251 | 1280 |
| 626 | Biosensors | 8 | 274 | 740 | 998 |
| 627 | visualization | 24 | 273 | 421 | 430 |
| 627 | Bioelectronics | 7 | 273 | 678 | 912 |
| 627 | Attention | 18 | 273 | 567 | 786 |
| 630 | Experimental Design | 14 | 271 | 74 | 150 |
| 630 | Virulence | 2 | 271 | 1052 | 781 |
| 632 | drug therapy | 10 | 270 | 959 | 975 |
| 633 | Career development | 25 | 269 | 28 | 103 |
| 633 | fuel cells | 3 | 269 | 1174 | 844 |
| 633 | Elderly | 41 | 269 | 236 | 302 |
| 633 | feeding behavior | 15 | 269 | 237 | 427 |
| 637 | Medicinal plants | 5 | 265 | 1003 | 897 |
| 637 | Cognitive Therapy | 13 | 265 | 226 | 304 |
| 639 | Risk | 12 | 264 | 191 | 280 |
| 640 | Decision Support Systems | 12 | 262 | 25 | 36 |
| 641 | Phonetics | 6 | 260 | 208 | 149 |
| 642 | Radio wave propagation | 31 | 258 | 123 | 244 |
| 642 | student | 6 | 258 | 18 | 11 |
| 644 | sexual behavior | 7 | 257 | 393 | 350 |
| 645 | Nuclear Energy | 15 | 256 | 351 | 363 |
| 645 | Positive Psychology | 11 | 256 | 34 | 126 |
| 647 | Ornithology | 22 | 255 | 280 | 379 |
| 648 | Sociolinguistics | 11 | 254 | 175 | 185 |
| 649 | nuclear power | 11 | 248 | 199 | 130 |
| 649 | Written communication | 7 | 248 | 33 | 48 |
| 651 | cell physiology | 7 | 247 | 856 | 956 |
| 652 | Microwaves | 5 | 246 | 1020 | 594 |
| 653 | Visual Perception | 18 | 244 | 542 | 796 |
| 653 | Chemical analysis | 11 | 244 | 503 | 650 |
| 653 | insurance | 14 | 244 | 113 | 135 |
| 653 | Therapeutics | 11 | 244 | 719 | 902 |
| 657 | Bacterial infections | 2 | 243 | 842 | 564 |
| 658 | Urban Education | 3 | 242 | 118 | 38 |
| 658 | industrial relations | 6 | 242 | 564 | 336 |
| 660 | Genetic variation | 7 | 241 | 40 | 26 |
| 661 | Atmospheric Science | 4 | 240 | 142 | 78 |
| 661 | atmosphere | 4 | 240 | 615 | 401 |
| 663 | Algebra | 46 | 239 | 289 | 465 |
| 663 | Capital market | 6 | 239 | 246 | 208 |
| 665 | population policy | 10 | 237 | 43 | 51 |
| 666 | Quantum Optics | 12 | 236 | 383 | 393 |
| 666 | Electromagnetic waves | 5 | 236 | 203 | 68 |
| 666 | Laser Spectroscopy | 12 | 236 | 344 | 349 |
| 669 | Post-traumatic stress disorder | 12 | 235 | 319 | 452 |
| 670 | Lipids | 8 | 232 | 713 | 842 |
| 671 | Numerical Analysis | 17 | 231 | 1030 | 1080 |
| 671 | Communication in medicine | 9 | 231 | 252 | 258 |
| 673 | Food preferences | 9 | 229 | 157 | 233 |
| 674 | Structural dynamics | 12 | 228 | 449 | 700 |
| 674 | Respiratory system | 8 | 228 | 287 | 328 |
| 676 | Electrical Engineering | 46 | 226 | 777 | 1320 |
| 676 | Dance | 34 | 226 | 22 | 26 |
| 676 | Cost control | 2 | 226 | 138 | 34 |
| 679 | Soil ecology | 7 | 225 | 446 | 525 |
| 680 | water supply | 13 | 224 | 345 | 579 |
| 681 | Occupational Health | 22 | 221 | 221 | 432 |
| 682 | Number Theory | 34 | 220 | 116 | 161 |
| 682 | Transplantation | 3 | 220 | 756 | 618 |
| 684 | Applied Linguistics | 8 | 219 | 312 | 241 |
| 685 | Oceanography | 13 | 218 | 789 | 1006 |
| 685 | Diagnostic microbiology | 7 | 218 | 617 | 879 |
| 685 | family counseling | 13 | 218 | 18 | 19 |
| 688 | Pathology | 3 | 217 | 1496 | 1121 |
| 688 | Extracellular matrix | 4 | 217 | 188 | 196 |
| 688 | collagen | 4 | 217 | 201 | 204 |
| 691 | enzymes | 8 | 216 | 848 | 930 |
| 692 | Finite Element Method | 6 | 213 | 192 | 131 |
| 693 | Total Quality Management | 10 | 212 | 140 | 209 |
| 694 | Industrial Microbiology | 5 | 211 | 1422 | 1359 |
| 694 | Primary health care | 10 | 211 | 785 | 814 |
| 696 | health planning | 9 | 210 | 1249 | 1094 |
| 697 | Sociobiology | 15 | 209 | 58 | 126 |
| 698 | Social Stratification | 3 | 208 | 82 | 38 |
| 698 | Photochemistry | 6 | 208 | 1186 | 1014 |
| 698 | Social mobility | 3 | 208 | 82 | 38 |
| 698 | social conflict | 3 | 208 | 188 | 65 |
| 698 | social status | 3 | 208 | 82 | 38 |
| 698 | Occupational mobility | 3 | 208 | 82 | 38 |
| 704 | Scandinavia | 2 | 207 | 700 | 283 |
| 705 | Agricultural Ecology | 7 | 206 | 578 | 766 |
| 705 | Psychiatric Epidemiology | 3 | 206 | 439 | 332 |
| 707 | mental health policy | 5 | 205 | 138 | 94 |
| 708 | Traffic Engineering | 1 | 204 | 717 | 282 |
| 708 | Asset Management | 2 | 204 | 81 | 5 |
| 710 | Paleogeography | 3 | 203 | 901 | 652 |
| 710 | United Kingdom | 11 | 203 | 681 | 901 |
| 712 | Tourism | 12 | 202 | 740 | 1255 |
| 712 | Developmental Neurobiology | 3 | 202 | 519 | 252 |
| 712 | Stem cells | 2 | 202 | 1272 | 839 |
| 715 | Electromagnetism | 10 | 200 | 523 | 520 |
| 715 | Heat Exchangers | 12 | 200 | 591 | 956 |
| 717 | wind erosion | 8 | 197 | 28 | 54 |
| 717 | Hormones | 11 | 197 | 586 | 800 |
| 719 | homosexuality | 7 | 195 | 213 | 206 |
| 720 | Psychiatric Nursing | 5 | 193 | 500 | 314 |
| 720 | Feeding and Eating Disorders | 11 | 193 | 357 | 486 |
| 722 | Human-Computer Interaction | 17 | 192 | 480 | 966 |
| 722 | Boundary Value Problems | 8 | 192 | 422 | 375 |
| 722 | Antenna Arrays | 8 | 192 | 293 | 342 |
| 725 | freshwater biology | 7 | 191 | 532 | 527 |
| 726 | Engineering Geology | 16 | 190 | 547 | 917 |
| 727 | Human biology | 9 | 189 | 295 | 285 |
| 728 | Functional Analysis | 11 | 188 | 742 | 726 |
| 728 | Signal Transduction | 3 | 188 | 1242 | 1034 |
| 730 | Educational Research | 5 | 187 | 36 | 13 |
| 730 | Supramolecular chemistry | 18 | 187 | 17 | 43 |
| 730 | natural products | 9 | 187 | 1023 | 995 |
| 730 | innovation | 6 | 187 | 397 | 604 |
| 730 | conflict management | 9 | 187 | 104 | 171 |
| 735 | Histology | 6 | 186 | 1177 | 1168 |
| 735 | Ultrasonics | 5 | 186 | 924 | 933 |
| 737 | auditory perception | 5 | 185 | 300 | 280 |
| 738 | Food Policy | 9 | 184 | 120 | 243 |
| 739 | Process Control | 5 | 183 | 697 | 885 |
| 739 | Geobiology | 6 | 183 | 264 | 276 |
| 741 | Hydrogeology | 12 | 182 | 214 | 374 |
| 741 | Groundwater | 8 | 182 | 260 | 330 |
| 743 | Quality of life | 8 | 180 | 795 | 1002 |
| 743 | North America | 15 | 180 | 235 | 364 |
| 743 | Aquatic ecology | 5 | 180 | 670 | 526 |
| 746 | Climatology | 5 | 179 | 1282 | 1180 |
| 747 | Freshwater invertebrates | 9 | 178 | 72 | 146 |
| 748 | Industrial Policy | 7 | 177 | 288 | 320 |
| 748 | Antibodies | 1 | 177 | 758 | 353 |
| 748 | Antigens | 1 | 177 | 929 | 453 |
| 751 | Financial management | 8 | 176 | 209 | 354 |
| 751 | forestry | 5 | 176 | 156 | 129 |
| 751 | synthesis | 7 | 176 | 692 | 439 |
| 754 | Ecosystem management | 11 | 175 | 270 | 439 |
| 754 | Autonomous robots | 4 | 175 | 136 | 135 |
| 756 | Carcinogenesis | 3 | 172 | 831 | 671 |
| 756 | Self | 4 | 172 | 133 | 112 |
| 758 | Topology | 7 | 171 | 211 | 119 |
| 758 | Nonlinear functional analysis | 14 | 171 | 458 | 674 |
| 758 | consumers | 9 | 171 | 138 | 239 |
| 761 | Building Materials | 5 | 170 | 1355 | 1478 |
| 761 | Ethnoarchaeology | 5 | 170 | 109 | 106 |
| 761 | Historiography | 4 | 170 | 84 | 10 |
| 761 | Relationships | 10 | 170 | 40 | 129 |
| 765 | Statistical Mechanics | 4 | 169 | 562 | 339 |
| 765 | moral development | 7 | 169 | 33 | 53 |
| 765 | Moral Education | 7 | 169 | 46 | 40 |
| 768 | economic forecasting | 5 | 167 | 197 | 225 |
| 768 | Forecasting | 5 | 167 | 381 | 310 |
| 768 | intervention | 10 | 167 | 36 | 26 |
| 768 | Algae | 6 | 167 | 503 | 520 |
| 772 | digital preservation | 4 | 166 | 34 | 24 |
| 772 | Measurement | 18 | 166 | 417 | 847 |
| 772 | Plant breeding | 11 | 166 | 296 | 452 |
| 772 | Mortgages | 9 | 166 | 87 | 120 |
| 772 | Informatics | 9 | 166 | 415 | 558 |
| 777 | Juvenile delinquency | 8 | 165 | 171 | 174 |
| 777 | software | 4 | 165 | 903 | 814 |
| 777 | Intellectual disability | 6 | 165 | 510 | 458 |
| 780 | Risk Management | 7 | 164 | 342 | 407 |
| 780 | Real Estate Investment | 9 | 164 | 64 | 75 |
| 782 | Helminthology | 12 | 163 | 18 | 14 |
| 782 | Helminths | 12 | 163 | 18 | 14 |
| 784 | Aerospace Engineering | 14 | 162 | 75 | 86 |
| 784 | Diagnosis | 1 | 162 | 666 | 195 |
| 784 | disease susceptibility | 1 | 162 | 115 | 31 |
| 784 | biochemical markers | 1 | 162 | 1008 | 325 |
| 784 | symptoms | 1 | 162 | 115 | 31 |
| 789 | Chemotherapy | 3 | 161 | 960 | 760 |
| 789 | psychopathology | 3 | 161 | 302 | 267 |
| 789 | Appetite | 9 | 161 | 303 | 513 |
| 792 | Human Geography | 13 | 160 | 475 | 650 |
| 792 | Electrochemical Analysis | 10 | 160 | 885 | 1099 |
| 794 | Biogeochemical cycles | 4 | 158 | 320 | 465 |
| 794 | Magnetic Resonance Spectroscopy | 14 | 158 | 511 | 634 |
| 794 | animals | 14 | 158 | 463 | 631 |
| 794 | clay | 2 | 158 | 976 | 698 |
| 794 | men | 3 | 158 | 283 | 147 |
| 794 | clay minerals | 2 | 158 | 345 | 200 |
| 794 | Steroids | 8 | 158 | 504 | 616 |
| 801 | Industrial Organization | 4 | 157 | 281 | 203 |
| 801 | Medical Ethics | 9 | 157 | 587 | 556 |
| 803 | infection | 4 | 156 | 1138 | 1066 |
| 803 | Diplomatic relations | 2 | 156 | 768 | 183 |
| 805 | Information Systems | 15 | 155 | 465 | 958 |
| 806 | Drug design | 7 | 153 | 906 | 1091 |
| 806 | Amphibians | 8 | 153 | 78 | 58 |
| 808 | Teacher Education | 2 | 152 | 69 | 45 |
| 808 | Greenhouse gases | 2 | 152 | 336 | 261 |
| 808 | medical education | 10 | 152 | 824 | 973 |
| 811 | Environmental Law | 3 | 151 | 982 | 1100 |
| 811 | Probability | 6 | 151 | 365 | 382 |
| 813 | Mobile Computing | 1 | 150 | 1653 | 728 |
| 814 | World Wide Web | 7 | 149 | 163 | 158 |
| 815 | Graph Theory | 14 | 148 | 269 | 297 |
| 816 | Bioethics | 7 | 147 | 566 | 484 |
| 816 | rural health | 4 | 147 | 146 | 111 |
| 818 | at-risk youth | 5 | 146 | 57 | 106 |
| 819 | Computer Science | 12 | 145 | 936 | 1149 |
| 819 | Volcanoes | 4 | 145 | 239 | 216 |
| 821 | Government agencies | 7 | 142 | 6 | 15 |
| 822 | Nondestructive testing | 9 | 141 | 319 | 419 |
| 822 | Dynamics | 21 | 141 | 504 | 903 |
| 822 | Nanobiotechnology | 2 | 141 | 517 | 476 |
| 825 | Environmental Geochemistry | 1 | 140 | 1089 | 304 |
| 826 | Fire ecology | 3 | 139 | 62 | 51 |
| 826 | Adoption | 5 | 139 | 48 | 24 |
| 826 | cell interaction | 2 | 139 | 1093 | 883 |
| 826 | Fisheries | 8 | 139 | 879 | 1032 |
| 830 | Actuarial Science | 5 | 137 | 178 | 152 |
| 830 | Birth control | 9 | 137 | 173 | 314 |
| 832 | Language Policy | 6 | 133 | 35 | 64 |
| 832 | Scanning electron microscopy | 3 | 133 | 120 | 58 |
| 832 | Mites | 14 | 133 | 102 | 194 |
| 835 | Nanoelectronics | 8 | 132 | 435 | 397 |
| 836 | Multilingualism | 5 | 131 | 182 | 182 |
| 836 | Physical fitness | 11 | 131 | 458 | 784 |
| 836 | Human Resources | 3 | 131 | 460 | 496 |
| 839 | Religion and Culture | 10 | 130 | 69 | 101 |
| 839 | Synapses | 3 | 130 | 238 | 223 |
| 841 | Cultural Studies | 9 | 129 | 33 | 57 |
| 841 | Global Health | 6 | 129 | 648 | 597 |
| 841 | Transgenic plants | 5 | 129 | 273 | 373 |
| 844 | Regional Planning | 11 | 128 | 745 | 1070 |
| 844 | administrative agencies | 4 | 128 | 228 | 204 |
| 846 | Neonatology | 7 | 127 | 306 | 391 |
| 847 | Dermatology | 5 | 126 | 1090 | 1013 |
| 847 | Telemedicine | 2 | 126 | 401 | 244 |
| 847 | pollutants | 8 | 126 | 1090 | 1682 |
| 847 | Environmental pollutants | 8 | 126 | 1349 | 1909 |
| 851 | Active Learning | 1 | 125 | 172 | 58 |
| 851 | body temperature | 2 | 125 | 696 | 331 |
| 853 | Hematology | 8 | 124 | 1048 | 1299 |
| 853 | Industrial Safety | 6 | 124 | 780 | 862 |
| 853 | Vision | 3 | 124 | 621 | 560 |
| 856 | Plant Taxonomy | 8 | 123 | 197 | 282 |
| 856 | Open Access Publishing | 6 | 123 | 61 | 63 |
| 858 | Intelligent Transportation Systems | 5 | 122 | 839 | 978 |
| 858 | Production Engineering | 11 | 122 | 980 | 1310 |
| 858 | Autoimmunity | 2 | 122 | 715 | 647 |
| 861 | Disease management | 4 | 121 | 76 | 45 |
| 861 | Language and Culture | 6 | 121 | 64 | 42 |
| 861 | Screening | 1 | 121 | 346 | 93 |
| 861 | natural disasters | 7 | 121 | 771 | 1085 |
| 865 | Molecular Microbiology | 3 | 120 | 757 | 855 |
| 865 | Physical organic chemistry | 9 | 120 | 849 | 1056 |
| 865 | Body Image | 3 | 120 | 209 | 240 |
| 865 | humanistic psychology | 7 | 120 | 24 | 46 |
| 869 | Computer Engineering | 15 | 119 | 236 | 615 |
| 869 | Performance | 4 | 119 | 245 | 252 |
| 871 | Epigenetics | 2 | 118 | 278 | 127 |
| 872 | Ichnology | 1 | 117 | 146 | 36 |
| 872 | Trace fossils | 1 | 117 | 146 | 36 |
| 874 | Ophthalmology | 2 | 116 | 1580 | 1198 |
| 874 | Gender Studies | 6 | 116 | 335 | 391 |
| 874 | Bilingualism | 3 | 116 | 145 | 116 |
| 874 | sports administration | 4 | 116 | 247 | 218 |
| 878 | Pharmacy | 5 | 115 | 1477 | 1578 |
| 878 | soil management | 2 | 115 | 654 | 577 |
| 878 | Malaria | 2 | 115 | 708 | 501 |
| 878 | hazard mitigation | 6 | 115 | 562 | 775 |
| 878 | Extreme environments | 2 | 115 | 286 | 242 |
| 883 | epilepsy | 6 | 114 | 572 | 661 |
| 883 | sadness | 4 | 114 | 167 | 125 |
| 883 | Fertilizers | 3 | 114 | 320 | 291 |
| 883 | death | 4 | 114 | 250 | 167 |
| 883 | antisocial personality disorder | 4 | 114 | 167 | 125 |
| 888 | Queer Studies | 5 | 113 | 172 | 260 |
| 888 | nursing ethics | 3 | 113 | 221 | 196 |
| 890 | Psychoneuroimmunology | 4 | 112 | 456 | 659 |
| 890 | Neuroimmunology | 4 | 112 | 526 | 706 |
| 890 | race relations | 11 | 112 | 261 | 422 |
| 893 | Patient education | 5 | 111 | 393 | 518 |
| 894 | Microfabrication | 6 | 110 | 187 | 243 |
| 894 | Ferroelectricity | 11 | 110 | 504 | 549 |
| 896 | Information Theory | 6 | 109 | 997 | 1039 |
| 897 | Animal welfare | 1 | 108 | 516 | 227 |
| 897 | Electrophysiology | 2 | 108 | 986 | 626 |
| 899 | industrial hygiene | 16 | 107 | 273 | 484 |
| 899 | Raman spectroscopy | 4 | 107 | 682 | 651 |
| 901 | Freshwater Ecology | 8 | 106 | 81 | 105 |
| 901 | Artificial Organs | 12 | 106 | 245 | 385 |
| 901 | Wetland ecology | 6 | 106 | 217 | 328 |
| 901 | protein | 4 | 106 | 957 | 914 |
| 905 | Venture Capital | 2 | 105 | 361 | 485 |
| 905 | Spanish language | 7 | 105 | 34 | 4 |
| 905 | Vaccines | 3 | 105 | 1395 | 1213 |
| 908 | Economic Thought | 4 | 104 | 257 | 379 |
| 908 | Globalization | 2 | 104 | 741 | 429 |
| 908 | economic conditions | 5 | 104 | 372 | 443 |
| 911 | public records | 1 | 103 | 79 | 10 |
| 911 | tillage | 1 | 103 | 706 | 546 |
| 913 | Water pollution | 5 | 102 | 1963 | 2324 |
| 913 | Semiconductors | 5 | 102 | 1700 | 1512 |
| 915 | Dentistry | 6 | 101 | 487 | 416 |
| 915 | European integration | 2 | 101 | 265 | 185 |
| 915 | European Economic Community | 2 | 101 | 265 | 185 |
| 918 | Solar Energy | 6 | 100 | 1244 | 1782 |
| 918 | Aquaculture | 6 | 100 | 954 | 1129 |
| 920 | Immunopathology | 5 | 99 | 773 | 954 |
| 920 | vibration | 10 | 99 | 598 | 1008 |
| 920 | Immunochemistry | 3 | 99 | 898 | 771 |
| 920 | Sonochemistry | 2 | 99 | 815 | 890 |
| 920 | Jurisprudence | 8 | 99 | 535 | 639 |
| 925 | Law | 7 | 98 | 811 | 557 |
| 925 | Structural Engineering | 5 | 98 | 1217 | 1263 |
| 925 | Popular culture | 9 | 98 | 213 | 187 |
| 925 | Cognitive Behavioral Therapy | 3 | 98 | 157 | 152 |
| 925 | Laser therapy | 3 | 98 | 429 | 255 |
| 925 | Ocean Engineering | 5 | 98 | 1246 | 1436 |
| 925 | Religion and Sociology | 17 | 98 | 20 | 95 |
| 925 | Bones | 3 | 98 | 650 | 747 |
| 933 | Advertising | 6 | 97 | 174 | 361 |
| 933 | brain mapping | 3 | 97 | 544 | 631 |
| 933 | African Americans | 5 | 97 | 132 | 100 |
| 933 | African American | 5 | 97 | 80 | 81 |
| 937 | Nanochemistry | 6 | 96 | 865 | 1075 |
| 937 | Geriatric Psychiatry | 6 | 96 | 599 | 814 |
| 937 | Nonverbal Communication | 3 | 96 | 196 | 262 |
| 937 | Plant genetic engineering | 6 | 96 | 549 | 889 |
| 937 | Antioxidants | 3 | 96 | 694 | 878 |
| 937 | Comparative Advertising | 4 | 96 | 45 | 59 |
| 943 | Geotechnical Engineering | 3 | 95 | 463 | 385 |
| 943 | Periglacial processes | 1 | 95 | 233 | 144 |
| 943 | Permafrost | 1 | 95 | 233 | 144 |
| 943 | Frozen ground | 1 | 95 | 237 | 144 |
| 943 | wood | 1 | 95 | 765 | 332 |
| 948 | Game Theory | 6 | 94 | 380 | 422 |
| 948 | Ecohydrology | 3 | 94 | 357 | 283 |
| 948 | Latin America | 16 | 94 | 467 | 586 |
| 948 | Drug discovery | 2 | 94 | 302 | 210 |
| 948 | eugenics | 11 | 94 | 191 | 436 |
| 953 | Public Choice | 4 | 93 | 292 | 320 |
| 953 | Health insurance | 2 | 93 | 481 | 333 |
| 953 | Group decision making | 4 | 93 | 407 | 424 |
| 953 | Housing | 2 | 93 | 612 | 491 |
| 953 | individual differences | 3 | 93 | 289 | 356 |
| 958 | Geomagnetism | 5 | 92 | 435 | 523 |
| 958 | Material Culture | 5 | 92 | 63 | 66 |
| 958 | Behavioral Finance | 2 | 92 | 65 | 37 |
| 958 | Pacific Islands | 5 | 92 | 176 | 149 |
| 958 | Oral communication | 6 | 92 | 263 | 345 |
| 958 | Prisons | 1 | 92 | 522 | 178 |
| 958 | economic development projects | 4 | 92 | 120 | 134 |
| 958 | Multiple sclerosis | 3 | 92 | 530 | 354 |
| 958 | magnetic resonance | 9 | 92 | 260 | 364 |
| 967 | Bilingual Education | 6 | 91 | 38 | 65 |
| 967 | Information Retrieval | 3 | 91 | 455 | 450 |
| 967 | Invertebrates | 3 | 91 | 575 | 496 |
| 967 | heredity | 2 | 91 | 739 | 500 |
| 971 | Natural resources | 1 | 90 | 1150 | 754 |
| 971 | Tropical Medicine | 10 | 90 | 867 | 1314 |
| 973 | Genetic Toxicology | 3 | 89 | 407 | 516 |
| 973 | Water quality management | 8 | 89 | 1029 | 1481 |
| 973 | Chromosomes | 3 | 89 | 837 | 900 |
| 973 | supercritical fluids | 4 | 89 | 329 | 446 |
| 973 | migration policy | 6 | 89 | 108 | 215 |
| 973 | Creativity | 3 | 89 | 283 | 313 |
| 979 | Reproductive toxicology | 6 | 88 | 210 | 424 |
| 979 | organizational effectiveness | 5 | 88 | 272 | 392 |
| 979 | drug abuse | 9 | 88 | 278 | 508 |
| 979 | Sales management | 5 | 88 | 156 | 386 |
| 979 | deviant behavior | 5 | 88 | 211 | 238 |
| 979 | selling | 5 | 88 | 156 | 386 |
| 985 | Agricultural Engineering | 4 | 87 | 355 | 445 |
| 985 | Simulation Methods | 5 | 87 | 753 | 851 |
| 985 | Calorimetry | 7 | 87 | 760 | 1001 |
| 985 | population geography | 4 | 87 | 317 | 371 |
| 985 | Ultrasound | 3 | 87 | 691 | 675 |
| 985 | Thermal analysis | 7 | 87 | 760 | 1001 |
| 991 | Social policy | 7 | 86 | 623 | 787 |
| 991 | immigration | 5 | 86 | 121 | 207 |
| 991 | Asylum seeker | 5 | 86 | 96 | 204 |
| 994 | Environmental Microbiology | 4 | 85 | 1086 | 1488 |
| 994 | nuclear magnetic resonance | 6 | 85 | 672 | 734 |
| 994 | Labor Unions | 4 | 85 | 188 | 104 |
| 994 | Enteral nutrition | 6 | 85 | 488 | 834 |
| 994 | Parenteral nutrition | 6 | 85 | 585 | 923 |
| 994 | school failure | 6 | 85 | 33 | 38 |
| 1000 | Molecular Spectroscopy | 4 | 84 | 1598 | 1606 |