| 1 | Science | 467 | 40.1K | 615 | 562 |
| 2 | United States | 1,363 | 35.5K | 71 | 74 |
| 3 | Biology | 664 | 32.2K | 430 | 675 |
| 4 | management | 161 | 31.4K | 243 | 72 |
| 5 | Medicine | 363 | 30.1K | 787 | 488 |
| 6 | Ecology | 293 | 28.9K | 460 | 296 |
| 7 | Molecular Biology | 275 | 27.3K | 828 | 475 |
| 8 | Public Health | 138 | 24.1K | 586 | 163 |
| 9 | Chemistry | 657 | 23.3K | 610 | 715 |
| 10 | Physics | 262 | 23.0K | 1183 | 945 |
| 11 | Psychology | 497 | 22.2K | 183 | 159 |
| 12 | genome | 26 | 21.2K | 424 | 47 |
| 13 | Computational Biology | 64 | 20.8K | 360 | 58 |
| 14 | Bioinformatics | 54 | 20.6K | 338 | 39 |
| 15 | Molecular Genetics | 126 | 19.4K | 110 | 21 |
| 16 | Human genetics | 25 | 18.2K | 803 | 318 |
| 17 | Business | 87 | 17.7K | 164 | 34 |
| 18 | Family | 609 | 17.2K | 1 | 1 |
| 19 | Natural history | 138 | 15.2K | 385 | 668 |
| 20 | Biochemistry | 446 | 15.1K | 790 | 825 |
| 21 | Environment | 178 | 14.5K | 462 | 387 |
| 22 | biological evolution | 160 | 14.4K | 129 | 117 |
| 23 | commerce | 35 | 14.3K | 223 | 35 |
| 24 | Population Genetics | 50 | 13.6K | 180 | 19 |
| 25 | Molecular ecology | 37 | 12.9K | 210 | 22 |
| 26 | Catalysis | 127 | 11.8K | 577 | 287 |
| 27 | Materials | 179 | 11.7K | 875 | 583 |
| 28 | families | 428 | 11.6K | 1 | 2 |
| 29 | Psychiatry | 257 | 10.7K | 291 | 334 |
| 30 | Environmental Health | 107 | 10.2K | 716 | 362 |
| 31 | Research | 335 | 10.2K | 666 | 716 |
| 32 | Materials Science | 129 | 9.7K | 685 | 393 |
| 33 | Adolescent | 191 | 9.6K | 102 | 46 |
| 34 | adolescence | 167 | 9.6K | 14 | 10 |
| 35 | Child Development | 139 | 9.1K | 162 | 114 |
| 36 | Molecular evolution | 114 | 9.0K | 69 | 67 |
| 37 | Botany | 219 | 8.9K | 338 | 388 |
| 38 | counseling | 310 | 8.8K | 16 | 18 |
| 39 | Education | 310 | 8.7K | 145 | 131 |
| 40 | Genetics | 99 | 8.6K | 542 | 452 |
| 41 | Microbiology | 173 | 8.4K | 792 | 787 |
| 42 | organization | 48 | 8.2K | 82 | 45 |
| 43 | Spectrum analysis | 300 | 8.2K | 308 | 482 |
| 44 | Neurology | 118 | 8.2K | 905 | 745 |
| 45 | psychotherapy | 136 | 8.0K | 63 | 67 |
| 46 | Astronomy | 257 | 7.9K | 373 | 496 |
| 47 | Automation | 24 | 7.7K | 771 | 160 |
| 48 | Marriage | 280 | 7.7K | 2 | 4 |
| 49 | Astrophysics | 135 | 7.5K | 594 | 622 |
| 50 | Evolution | 86 | 7.2K | 210 | 177 |
| 51 | Family Therapy | 354 | 7.0K | 2 | 3 |
| 52 | Environmental Toxicology | 32 | 6.8K | 568 | 95 |
| 53 | Biophysics | 204 | 6.8K | 663 | 640 |
| 54 | Phylogeny | 97 | 6.7K | 22 | 14 |
| 55 | Biotechnology | 111 | 6.2K | 878 | 781 |
| 56 | Economics | 157 | 6.1K | 438 | 319 |
| 57 | Adolescent Psychology | 96 | 6.1K | 29 | 14 |
| 58 | Small Business | 22 | 6.0K | 133 | 28 |
| 58 | Telecommunication | 68 | 6.0K | 445 | 210 |
| 58 | Psychophysiology | 160 | 6.0K | 276 | 332 |
| 61 | Signal Processing | 75 | 5.9K | 430 | 241 |
| 62 | Analytical Chemistry | 146 | 5.9K | 539 | 443 |
| 63 | Child psychology | 79 | 5.9K | 206 | 162 |
| 64 | Genomics | 149 | 5.8K | 230 | 229 |
| 65 | Physiology | 124 | 5.8K | 550 | 461 |
| 66 | Condensed Matter | 153 | 5.6K | 538 | 476 |
| 67 | Thermodynamics | 244 | 5.6K | 3 | 4 |
| 68 | Thermochemistry | 240 | 5.6K | 1 | 2 |
| 69 | Clinical Psychology | 109 | 5.4K | 94 | 114 |
| 70 | Behavior | 131 | 5.4K | 316 | 368 |
| 71 | Solid State Physics | 165 | 5.3K | 590 | 509 |
| 72 | Computer Graphics | 73 | 5.3K | 203 | 110 |
| 73 | Youth | 86 | 5.3K | 17 | 16 |
| 74 | Nanotechnology | 103 | 5.1K | 912 | 806 |
| 75 | Entrepreneurship | 23 | 5.1K | 174 | 67 |
| 76 | Marriage counseling | 159 | 5.0K | 2 | 3 |
| 77 | Social Psychology | 170 | 4.7K | 140 | 242 |
| 78 | Critical Care | 29 | 4.5K | 426 | 225 |
| 78 | Critical Care Medicine | 29 | 4.5K | 433 | 227 |
| 80 | Developmental Psychology | 78 | 4.5K | 93 | 85 |
| 81 | Cardiovascular system | 9 | 4.5K | 937 | 303 |
| 82 | Respiration | 71 | 4.5K | 182 | 117 |
| 83 | Educational Technology | 87 | 4.4K | 47 | 22 |
| 84 | Immunology | 41 | 4.3K | 969 | 605 |
| 85 | human behavior | 114 | 4.3K | 209 | 337 |
| 86 | Metallurgy | 72 | 4.2K | 391 | 240 |
| 87 | Metals | 67 | 4.1K | 370 | 236 |
| 88 | Radio | 74 | 3.9K | 233 | 196 |
| 89 | Health Education | 142 | 3.8K | 120 | 134 |
| 90 | Statistics | 104 | 3.8K | 334 | 241 |
| 91 | Geophysics | 74 | 3.7K | 773 | 598 |
| 92 | Hypertension | 7 | 3.7K | 1096 | 319 |
| 93 | Sports Medicine | 138 | 3.6K | 192 | 247 |
| 94 | Political Science | 104 | 3.6K | 164 | 121 |
| 95 | Heterocyclic compounds | 186 | 3.6K | 15 | 2 |
| 96 | Sports | 125 | 3.5K | 150 | 165 |
| 97 | Neuropsychology | 82 | 3.5K | 277 | 253 |
| 98 | Surface Chemistry | 128 | 3.5K | 480 | 560 |
| 99 | coal | 82 | 3.4K | 132 | 121 |
| 100 | Mathematics | 347 | 3.3K | 427 | 554 |
| 101 | Sociology | 121 | 3.3K | 265 | 293 |
| 102 | Social Sciences | 130 | 3.3K | 238 | 225 |
| 103 | Growth | 25 | 3.2K | 342 | 242 |
| 104 | Endocrinology | 44 | 3.2K | 782 | 641 |
| 105 | Combustion | 94 | 3.2K | 119 | 113 |
| 106 | Pollution | 68 | 3.2K | 1138 | 1133 |
| 107 | Nuclear Physics | 132 | 3.2K | 851 | 884 |
| 108 | Virology | 58 | 3.1K | 670 | 863 |
| 109 | Entomology | 99 | 3.1K | 221 | 163 |
| 110 | Teaching | 102 | 3.1K | 103 | 114 |
| 111 | Crystallography | 42 | 3.1K | 327 | 86 |
| 112 | Metabolism | 39 | 3.1K | 768 | 598 |
| 113 | Colloids | 87 | 3.0K | 683 | 681 |
| 114 | Chemical Engineering | 110 | 3.0K | 797 | 962 |
| 115 | Chromatography | 145 | 3.0K | 29 | 45 |
| 116 | Radio waves | 66 | 3.0K | 130 | 110 |
| 117 | Business Ethics | 37 | 3.0K | 86 | 79 |
| 118 | Electronics | 83 | 2.9K | 634 | 464 |
| 119 | Language Disorders | 71 | 2.9K | 99 | 55 |
| 120 | Bioengineering | 60 | 2.9K | 900 | 910 |
| 121 | mass transfer | 51 | 2.9K | 274 | 170 |
| 122 | Developing countries | 37 | 2.9K | 439 | 192 |
| 123 | Metabolic diseases | 30 | 2.9K | 702 | 521 |
| 124 | miniaturization | 39 | 2.8K | 415 | 374 |
| 125 | Information Technology | 36 | 2.8K | 437 | 195 |
| 126 | Econometrics | 30 | 2.7K | 338 | 166 |
| 127 | Child | 60 | 2.7K | 380 | 243 |
| 128 | Cytology | 57 | 2.7K | 1076 | 1215 |
| 129 | Insects | 61 | 2.7K | 133 | 94 |
| 130 | Epidemiology | 64 | 2.7K | 670 | 553 |
| 131 | Organic Chemistry | 110 | 2.6K | 395 | 482 |
| 132 | Speech Disorders | 84 | 2.6K | 120 | 114 |
| 133 | Cell Biology | 41 | 2.6K | 1204 | 1220 |
| 134 | Economic History | 58 | 2.6K | 561 | 285 |
| 135 | Robotics | 70 | 2.5K | 187 | 158 |
| 136 | Control Theory | 22 | 2.5K | 608 | 168 |
| 137 | Physical Chemistry | 71 | 2.5K | 307 | 354 |
| 138 | Geography | 77 | 2.5K | 250 | 266 |
| 139 | Brain | 44 | 2.5K | 728 | 556 |
| 140 | Educational Psychology | 68 | 2.5K | 161 | 174 |
| 141 | Solar System | 42 | 2.5K | 181 | 119 |
| 142 | Geology | 88 | 2.4K | 548 | 535 |
| 143 | Archaeology | 44 | 2.4K | 253 | 115 |
| 144 | soil microbiology | 33 | 2.4K | 327 | 277 |
| 145 | Health promotion | 70 | 2.4K | 125 | 143 |
| 146 | Zoology | 133 | 2.4K | 195 | 271 |
| 147 | Surgery | 9 | 2.4K | 1108 | 531 |
| 148 | Neurophysiology | 56 | 2.3K | 643 | 716 |
| 149 | Developmental Disabilities | 51 | 2.3K | 155 | 148 |
| 150 | Electrochemistry | 162 | 2.3K | 486 | 721 |
| 151 | Earth Sciences | 39 | 2.2K | 857 | 537 |
| 152 | Agriculture | 79 | 2.2K | 203 | 257 |
| 153 | Differential Equations | 47 | 2.2K | 118 | 36 |
| 154 | finance | 50 | 2.2K | 440 | 266 |
| 155 | Mental Disorders | 50 | 2.2K | 581 | 637 |
| 156 | Hearing | 70 | 2.2K | 81 | 62 |
| 157 | Environmental monitoring | 52 | 2.1K | 766 | 779 |
| 158 | Strategic planning | 13 | 2.1K | 223 | 38 |
| 159 | Optics | 131 | 2.1K | 696 | 738 |
| 160 | personality | 33 | 2.1K | 366 | 302 |
| 161 | Pediatrics | 36 | 2.0K | 639 | 539 |
| 162 | Microbial Ecology | 42 | 2.0K | 509 | 582 |
| 163 | Plant physiology | 41 | 2.0K | 504 | 487 |
| 164 | Speech | 66 | 2.0K | 102 | 115 |
| 165 | Leisure | 55 | 2.0K | 14 | 19 |
| 166 | Communication | 100 | 2.0K | 159 | 302 |
| 166 | Aging | 86 | 2.0K | 382 | 492 |
| 168 | Computer-Aided Design | 33 | 2.0K | 198 | 91 |
| 169 | Immunity | 13 | 2.0K | 946 | 707 |
| 170 | Polymers | 48 | 2.0K | 1385 | 1014 |
| 171 | human development | 70 | 1.9K | 63 | 106 |
| 172 | Counseling Psychology | 24 | 1.9K | 42 | 19 |
| 173 | Autism | 31 | 1.9K | 139 | 114 |
| 174 | Image Processing | 27 | 1.9K | 723 | 431 |
| 175 | Mechanical Engineering | 58 | 1.9K | 424 | 211 |
| 176 | Research Design | 15 | 1.9K | 431 | 184 |
| 177 | Membranes | 48 | 1.9K | 325 | 381 |
| 178 | Nuclear Engineering | 61 | 1.9K | 307 | 161 |
| 179 | Sites | 19 | 1.9K | 142 | 68 |
| 180 | Agricultural Science | 62 | 1.9K | 17 | 38 |
| 181 | Nutrition | 90 | 1.9K | 601 | 923 |
| 182 | Liposomes | 8 | 1.8K | 264 | 49 |
| 183 | gene mapping | 33 | 1.8K | 494 | 455 |
| 184 | internet | 18 | 1.8K | 539 | 189 |
| 185 | Mathematical Physics | 47 | 1.8K | 662 | 426 |
| 186 | Cancer | 26 | 1.8K | 1320 | 1061 |
| 187 | Conservation Biology | 36 | 1.8K | 179 | 188 |
| 188 | Soil Science | 40 | 1.8K | 356 | 301 |
| 189 | Lipid bilayers | 7 | 1.7K | 255 | 48 |
| 190 | Physical Therapy | 31 | 1.7K | 311 | 229 |
| 191 | Mental illness | 27 | 1.7K | 571 | 515 |
| 192 | Medical genetics | 26 | 1.7K | 1039 | 935 |
| 193 | Biomedical Engineering | 81 | 1.7K | 861 | 1181 |
| 194 | Geochemistry | 46 | 1.7K | 515 | 512 |
| 195 | Biodiversity | 35 | 1.7K | 457 | 425 |
| 196 | Neurons | 6 | 1.7K | 452 | 402 |
| 197 | Nuclear family | 98 | 1.7K | 2 | 1 |
| 198 | Distance Education | 34 | 1.7K | 14 | 12 |
| 199 | Social work | 95 | 1.6K | 117 | 124 |
| 200 | Production Management | 16 | 1.6K | 406 | 278 |
| 201 | Combinatorial chemistry | 27 | 1.6K | 159 | 138 |
| 202 | Environmental Engineering | 27 | 1.6K | 1215 | 896 |
| 203 | Soil biology | 17 | 1.6K | 328 | 241 |
| 204 | Computer Vision | 17 | 1.6K | 406 | 253 |
| 205 | Decision making | 31 | 1.6K | 269 | 198 |
| 206 | Chromatographic analysis | 69 | 1.6K | 171 | 155 |
| 207 | Medical Laboratory Science | 23 | 1.6K | 727 | 513 |
| 208 | recreation | 74 | 1.6K | 39 | 33 |
| 209 | Statistical physics | 71 | 1.6K | 745 | 800 |
| 210 | Vocational guidance | 47 | 1.6K | 136 | 168 |
| 211 | Pharmacology | 43 | 1.6K | 1602 | 1462 |
| 212 | Biocompatible Materials | 47 | 1.5K | 1055 | 1271 |
| 213 | behavioral medicine | 39 | 1.5K | 230 | 270 |
| 214 | Geriatrics | 67 | 1.5K | 480 | 546 |
| 215 | machinery | 32 | 1.5K | 87 | 36 |
| 216 | Public Administration | 62 | 1.5K | 153 | 164 |
| 217 | Quantum Gravity | 30 | 1.5K | 846 | 651 |
| 218 | Economic Development | 24 | 1.5K | 413 | 313 |
| 219 | Machine Learning | 5 | 1.5K | 247 | 71 |
| 220 | marketing | 40 | 1.5K | 385 | 444 |
| 221 | Wireless Communication Systems | 26 | 1.5K | 816 | 444 |
| 222 | Mass Spectrometry | 50 | 1.5K | 153 | 184 |
| 223 | Planets | 26 | 1.4K | 567 | 506 |
| 224 | Europe | 40 | 1.4K | 746 | 495 |
| 225 | violence | 45 | 1.4K | 130 | 137 |
| 226 | environmental pollution | 45 | 1.4K | 1144 | 1322 |
| 227 | Biogeography | 19 | 1.4K | 292 | 259 |
| 228 | Plant Ecology | 44 | 1.4K | 323 | 427 |
| 229 | Exercise | 42 | 1.4K | 197 | 167 |
| 230 | Toxicology | 48 | 1.4K | 1194 | 1318 |
| 231 | Chromosome mapping | 28 | 1.3K | 488 | 451 |
| 232 | Plants | 40 | 1.3K | 461 | 588 |
| 233 | Linguistics | 56 | 1.3K | 157 | 174 |
| 234 | Organizational Behavior | 22 | 1.3K | 126 | 136 |
| 235 | Microelectronics | 22 | 1.3K | 682 | 549 |
| 236 | Developmental Biology | 31 | 1.3K | 553 | 679 |
| 237 | Diet | 41 | 1.3K | 447 | 606 |
| 238 | Reading | 69 | 1.3K | 35 | 72 |
| 239 | preventive medicine | 24 | 1.2K | 322 | 279 |
| 240 | Obesity | 45 | 1.2K | 404 | 554 |
| 241 | Health | 53 | 1.2K | 346 | 407 |
| 242 | paraphilias | 25 | 1.2K | 11 | 11 |
| 243 | viruses | 23 | 1.2K | 516 | 542 |
| 244 | Auditing | 24 | 1.2K | 36 | 28 |
| 245 | Paleontology | 34 | 1.2K | 323 | 221 |
| 246 | Operations Research | 18 | 1.2K | 849 | 478 |
| 247 | Alzheimer's disease | 48 | 1.2K | 322 | 264 |
| 248 | Genetic engineering | 18 | 1.2K | 858 | 606 |
| 249 | International Relations | 31 | 1.2K | 225 | 130 |
| 250 | child abuse | 28 | 1.2K | 168 | 165 |
| 251 | Mental Health | 33 | 1.2K | 356 | 249 |
| 252 | Drug delivery systems | 6 | 1.1K | 1169 | 403 |
| 253 | Engineering Mathematics | 18 | 1.1K | 639 | 224 |
| 254 | Pharmaceutical Chemistry | 48 | 1.1K | 986 | 1249 |
| 255 | Labor Economics | 15 | 1.1K | 130 | 62 |
| 256 | Organizational change | 8 | 1.1K | 350 | 62 |
| 256 | plant molecular biology | 16 | 1.1K | 643 | 605 |
| 258 | Psychopharmacology | 22 | 1.1K | 532 | 541 |
| 259 | Nursing | 41 | 1.1K | 315 | 207 |
| 260 | world | 18 | 1.1K | 197 | 182 |
| 261 | Plastics | 16 | 1.1K | 677 | 254 |
| 262 | Hydrology | 53 | 1.1K | 431 | 619 |
| 263 | Mechanics | 12 | 1.1K | 541 | 128 |
| 264 | Animal Behavior | 31 | 1.1K | 503 | 598 |
| 265 | Development | 12 | 1.1K | 296 | 166 |
| 266 | Brain damage | 29 | 1.1K | 48 | 38 |
| 267 | analysis | 9 | 1.1K | 146 | 64 |
| 268 | Renewable Energy Sources | 14 | 1.1K | 1255 | 1109 |
| 269 | Transportation | 70 | 1.1K | 232 | 389 |
| 270 | speech therapy | 31 | 1.1K | 66 | 44 |
| 271 | plasticity | 14 | 1.1K | 124 | 102 |
| 272 | Economic Assistance | 10 | 1.1K | 289 | 158 |
| 273 | Social interaction | 44 | 1.1K | 13 | 31 |
| 274 | Parasitology | 63 | 1.1K | 324 | 472 |
| 275 | Socioeconomic Factors | 42 | 1.1K | 60 | 85 |
| 276 | Photonics | 28 | 1.1K | 649 | 633 |
| 277 | Electrophoresis | 35 | 1.0K | 301 | 283 |
| 278 | labor | 15 | 1.0K | 49 | 39 |
| 279 | working class | 13 | 1.0K | 38 | 39 |
| 280 | Diabetes mellitus | 14 | 1.0K | 970 | 763 |
| 281 | Child welfare | 47 | 1.0K | 142 | 152 |
| 282 | Mineralogy | 40 | 1.0K | 319 | 360 |
| 282 | older people | 53 | 1.0K | 270 | 216 |
| 284 | Nervous system | 18 | 1.0K | 1018 | 875 |
| 285 | Mental Health Services | 26 | 1.0K | 332 | 217 |
| 286 | Public Relations | 26 | 1.0K | 52 | 34 |
| 287 | Pediatric Nursing | 125 | 1.0K | 4 | 35 |
| 288 | Plant diseases | 28 | 1.0K | 602 | 467 |
| 289 | Substance Abuse | 45 | 1.0K | 271 | 322 |
| 290 | Obstetrics | 24 | 1.0K | 835 | 623 |
| 291 | Nonlinear Dynamics | 34 | 995 | 572 | 547 |
| 292 | Investments | 15 | 993 | 120 | 24 |
| 293 | Social behavior | 29 | 991 | 270 | 306 |
| 294 | Obstetric Nursing | 125 | 981 | 2 | 20 |
| 295 | Radiation | 51 | 977 | 346 | 385 |
| 296 | Dementia | 44 | 973 | 321 | 266 |
| 297 | Immune system | 8 | 969 | 612 | 557 |
| 298 | Marine Biology | 32 | 965 | 772 | 764 |
| 299 | Immunotherapy | 7 | 956 | 1389 | 703 |
| 300 | Molecular cloning | 7 | 946 | 1007 | 312 |
| 300 | Genetic recombination | 7 | 946 | 991 | 307 |
| 300 | Recombinant DNA | 7 | 946 | 1080 | 336 |
| 303 | health behavior | 30 | 945 | 213 | 211 |
| 304 | Artificial Intelligence | 51 | 941 | 826 | 1123 |
| 305 | Classification | 6 | 937 | 134 | 50 |
| 306 | behavior therapy | 31 | 930 | 204 | 221 |
| 307 | Genes | 24 | 922 | 260 | 198 |
| 308 | radiative transfer | 45 | 918 | 65 | 83 |
| 309 | language therapy | 24 | 907 | 20 | 13 |
| 310 | Fluid Mechanics | 29 | 906 | 423 | 355 |
| 310 | Proteome | 27 | 906 | 279 | 396 |
| 312 | Database Management | 32 | 903 | 153 | 189 |
| 312 | Cognition | 35 | 903 | 429 | 522 |
| 314 | Geomorphology | 20 | 893 | 463 | 409 |
| 315 | Diabetes | 11 | 883 | 1179 | 870 |
| 316 | Vocational Education | 32 | 879 | 70 | 48 |
| 317 | Cognitive neuroscience | 19 | 875 | 346 | 396 |
| 318 | Diagnostic Imaging | 11 | 874 | 1044 | 571 |
| 319 | ecosystem | 6 | 872 | 927 | 441 |
| 320 | Ethology | 23 | 870 | 478 | 601 |
| 321 | Atomic spectroscopy | 49 | 864 | 125 | 197 |
| 322 | Australia | 23 | 863 | 527 | 305 |
| 323 | Breeding | 20 | 862 | 396 | 316 |
| 324 | Clinical Chemistry | 23 | 851 | 1094 | 1043 |
| 325 | Learning disabilities | 41 | 847 | 128 | 162 |
| 326 | Gerontology | 66 | 844 | 282 | 413 |
| 326 | Molecular structure | 15 | 844 | 1091 | 691 |
| 328 | Public Policy | 28 | 837 | 433 | 416 |
| 329 | Aggression | 20 | 830 | 96 | 103 |
| 330 | Technology | 37 | 824 | 1095 | 1161 |
| 331 | Industrial Engineering | 24 | 820 | 520 | 476 |
| 332 | Neurochemistry | 19 | 819 | 990 | 913 |
| 333 | International Education | 3 | 818 | 227 | 8 |
| 334 | Microscopy | 23 | 816 | 309 | 247 |
| 335 | Cognitive Science | 17 | 811 | 513 | 473 |
| 336 | Politics | 21 | 809 | 139 | 92 |
| 336 | government | 20 | 809 | 184 | 119 |
| 338 | Women's health | 27 | 805 | 261 | 219 |
| 339 | Molecules | 51 | 803 | 250 | 363 |
| 340 | Mycology | 44 | 801 | 280 | 476 |
| 341 | Ecological Genetics | 15 | 797 | 161 | 38 |
| 341 | Special Education | 46 | 797 | 97 | 124 |
| 341 | Music | 47 | 797 | 79 | 96 |
| 341 | Second Language Acquisition | 3 | 797 | 168 | 30 |
| 345 | Neurobiology | 19 | 790 | 713 | 812 |
| 346 | Roads | 61 | 786 | 109 | 135 |
| 347 | Urban Economics | 12 | 780 | 106 | 98 |
| 347 | Hippocampus | 9 | 780 | 132 | 102 |
| 349 | Criminology | 23 | 778 | 274 | 201 |
| 349 | Socialization | 33 | 778 | 55 | 135 |
| 349 | Meteorites | 12 | 778 | 482 | 447 |
| 352 | Medical Anthropology | 17 | 771 | 432 | 440 |
| 353 | micromechanics | 24 | 761 | 123 | 117 |
| 354 | Sound | 162 | 759 | 18 | 217 |
| 355 | Orthopedics | 18 | 753 | 641 | 481 |
| 356 | Light | 7 | 751 | 615 | 523 |
| 357 | System analysis | 20 | 745 | 826 | 613 |
| 358 | Psychosomatic Medicine | 7 | 741 | 489 | 257 |
| 359 | Portfolio Management | 12 | 738 | 113 | 30 |
| 360 | Cytogenetics | 11 | 734 | 768 | 704 |
| 361 | Birds | 54 | 732 | 175 | 255 |
| 362 | polar regions | 21 | 729 | 141 | 111 |
| 363 | Learning | 28 | 727 | 320 | 420 |
| 364 | Fluid Dynamics | 29 | 720 | 254 | 276 |
| 365 | mammals | 39 | 714 | 137 | 199 |
| 366 | International security | 11 | 710 | 81 | 67 |
| 367 | Energy Policy | 12 | 701 | 1422 | 1191 |
| 367 | Minerals | 13 | 701 | 216 | 94 |
| 369 | Computational Linguistics | 19 | 698 | 58 | 18 |
| 369 | Neural circuitry | 11 | 698 | 1037 | 629 |
| 371 | Earthquake Engineering | 21 | 697 | 500 | 455 |
| 372 | Bacteriology | 21 | 696 | 672 | 859 |
| 373 | Systems Engineering | 13 | 693 | 1035 | 571 |
| 373 | mathematical analysis | 66 | 693 | 400 | 478 |
| 375 | Biomechanics | 27 | 692 | 332 | 433 |
| 376 | Developed countries | 4 | 690 | 177 | 46 |
| 377 | Psycholinguistics | 11 | 689 | 438 | 306 |
| 377 | Eating Disorders | 20 | 689 | 271 | 256 |
| 379 | Demography | 27 | 676 | 120 | 169 |
| 380 | Quantitative Research | 17 | 671 | 61 | 62 |
| 380 | alcoholism | 31 | 671 | 394 | 510 |
| 382 | rehabilitation | 27 | 663 | 610 | 742 |
| 383 | Wildlife conservation | 29 | 661 | 257 | 477 |
| 384 | Atmospheric Physics | 10 | 659 | 913 | 647 |
| 385 | Restoration Ecology | 18 | 654 | 76 | 91 |
| 385 | Catalysts | 4 | 654 | 589 | 135 |
| 387 | Biomass Energy | 10 | 649 | 1388 | 1106 |
| 388 | nanoscience | 15 | 641 | 1409 | 1361 |
| 389 | Reproduction | 26 | 640 | 750 | 827 |
| 389 | health services | 28 | 640 | 218 | 238 |
| 391 | Bryology | 21 | 639 | 35 | 25 |
| 392 | Environmental Policy | 18 | 636 | 1292 | 1518 |
| 393 | Analytical Biochemistry | 22 | 633 | 497 | 540 |
| 394 | Sexual health | 29 | 632 | 145 | 179 |
| 395 | Early Childhood Education | 25 | 620 | 108 | 90 |
| 396 | language | 44 | 617 | 92 | 266 |
| 397 | mosses | 10 | 614 | 46 | 10 |
| 397 | liverworts | 10 | 614 | 46 | 10 |
| 399 | Systems Analysis | 11 | 610 | 489 | 193 |
| 400 | Software Engineering | 29 | 608 | 215 | 300 |
| 400 | Parasitic Diseases | 34 | 608 | 403 | 699 |
| 402 | School Psychology | 21 | 607 | 125 | 132 |
| 402 | Paleopathology | 3 | 607 | 309 | 25 |
| 404 | Nanostructured Materials | 30 | 606 | 1087 | 1391 |
| 404 | Food | 32 | 606 | 844 | 1258 |
| 406 | Medical Technology | 14 | 604 | 648 | 465 |
| 407 | Religion | 57 | 597 | 64 | 46 |
| 408 | Bioorganic chemistry | 34 | 591 | 853 | 1252 |
| 409 | Health Services Research | 16 | 587 | 632 | 498 |
| 410 | air quality | 7 | 586 | 63 | 8 |
| 411 | Writing | 5 | 585 | 178 | 50 |
| 412 | nucleic acids | 29 | 582 | 547 | 1012 |
| 413 | Structural design | 17 | 579 | 221 | 198 |
| 413 | sanitation | 6 | 579 | 1143 | 937 |
| 415 | Dietetics | 26 | 578 | 167 | 193 |
| 416 | Thorax | 9 | 576 | 221 | 157 |
| 417 | Investment analysis | 14 | 575 | 249 | 161 |
| 418 | actuators | 18 | 574 | 916 | 962 |
| 418 | Memory | 26 | 574 | 567 | 760 |
| 418 | transducers | 18 | 574 | 916 | 962 |
| 421 | Drug delivery devices | 1 | 571 | 536 | 52 |
| 422 | Information Science | 19 | 569 | 907 | 909 |
| 423 | peace | 16 | 566 | 135 | 144 |
| 424 | Health Policy | 24 | 563 | 668 | 768 |
| 425 | Forest Ecology | 14 | 561 | 433 | 418 |
| 426 | Embryology | 21 | 559 | 559 | 801 |
| 427 | Adult Education | 29 | 553 | 77 | 51 |
| 427 | Biogeochemistry | 7 | 553 | 705 | 559 |
| 427 | proteins | 33 | 553 | 541 | 815 |
| 430 | Medical Microbiology | 14 | 547 | 1126 | 1214 |
| 431 | Manufacturing Processes | 18 | 545 | 941 | 852 |
| 432 | sex crimes | 20 | 544 | 150 | 139 |
| 432 | Plant cells | 14 | 544 | 526 | 795 |
| 434 | environmental exposure | 12 | 542 | 879 | 710 |
| 435 | Maternal health services | 12 | 539 | 120 | 80 |
| 436 | Nuclear non-proliferation | 4 | 538 | 52 | 34 |
| 436 | Forest Management | 15 | 538 | 387 | 392 |
| 436 | Parasites | 33 | 538 | 310 | 484 |
| 439 | Biodiversity conservation | 16 | 534 | 664 | 1038 |
| 440 | Surface properties | 12 | 528 | 459 | 426 |
| 441 | Wind power | 16 | 527 | 45 | 46 |
| 442 | Atmospheric Chemistry | 6 | 526 | 645 | 540 |
| 442 | Smart Materials | 13 | 526 | 352 | 264 |
| 444 | Shock Waves | 4 | 525 | 156 | 25 |
| 445 | Surface-Active Agents | 11 | 523 | 461 | 385 |
| 445 | Social problems | 18 | 523 | 148 | 204 |
| 447 | Soil dynamics | 13 | 522 | 173 | 131 |
| 448 | Anthropology | 41 | 519 | 300 | 390 |
| 448 | consumer behavior | 15 | 519 | 126 | 187 |
| 450 | Wildlife management | 27 | 517 | 120 | 131 |
| 451 | plant communities | 16 | 512 | 408 | 542 |
| 452 | Proteomics | 9 | 511 | 630 | 486 |
| 452 | drug development | 2 | 511 | 1401 | 687 |
| 454 | Aerosols | 18 | 510 | 168 | 188 |
| 454 | Solutions | 24 | 510 | 29 | 34 |
| 456 | Organometallic compounds | 33 | 507 | 237 | 422 |
| 457 | Evolutionary Genetics | 8 | 503 | 285 | 138 |
| 457 | Molecular Epidemiology | 8 | 503 | 285 | 138 |
| 457 | energy conservation | 15 | 503 | 810 | 1064 |
| 460 | free radicals | 9 | 497 | 814 | 797 |
| 461 | Quality Control | 45 | 496 | 172 | 538 |
| 462 | international cooperation | 9 | 494 | 265 | 168 |
| 463 | Animal ecology | 13 | 493 | 494 | 436 |
| 463 | Allergy | 4 | 493 | 1092 | 832 |
| 465 | Petrology | 22 | 492 | 352 | 444 |
| 466 | Crystallization | 7 | 490 | 319 | 97 |
| 467 | Environmental Chemistry | 24 | 489 | 585 | 1146 |
| 468 | Freezing | 2 | 486 | 480 | 47 |
| 469 | Microfluidics | 11 | 485 | 55 | 45 |
| 470 | Leadership | 5 | 484 | 330 | 229 |
| 470 | Climate change | 13 | 484 | 463 | 915 |
| 470 | economic policy | 35 | 484 | 535 | 643 |
| 473 | family violence | 12 | 483 | 150 | 138 |
| 474 | Political Psychology | 25 | 482 | 52 | 131 |
| 475 | Oncology | 16 | 481 | 990 | 1620 |
| 476 | Eutrophication | 12 | 480 | 475 | 913 |
| 477 | Humanities | 35 | 479 | 198 | 208 |
| 477 | Emotions | 13 | 479 | 234 | 283 |
| 479 | Ceramics | 12 | 478 | 767 | 529 |
| 480 | Glass | 9 | 475 | 677 | 467 |
| 480 | pottery | 9 | 475 | 640 | 457 |
| 482 | crime | 15 | 471 | 237 | 181 |
| 483 | Data Mining | 15 | 470 | 558 | 681 |
| 484 | Criminal psychology | 16 | 467 | 256 | 252 |
| 485 | adulthood | 17 | 466 | 5 | 7 |
| 486 | Host-parasite interactions | 3 | 465 | 1322 | 859 |
| 487 | voice | 20 | 463 | 106 | 97 |
| 487 | Anxiety Disorders | 6 | 463 | 346 | 318 |
| 487 | Anxiety | 6 | 463 | 346 | 318 |
| 487 | visualization | 25 | 463 | 436 | 316 |
| 491 | Asia | 27 | 461 | 731 | 683 |
| 492 | Audiology | 23 | 458 | 222 | 282 |
| 492 | Neuropsychiatry | 14 | 458 | 320 | 329 |
| 492 | Optical materials | 13 | 458 | 1411 | 1393 |
| 495 | Composite Materials | 23 | 456 | 1020 | 1441 |
| 495 | primary prevention | 4 | 456 | 338 | 94 |
| 497 | Biochemical Engineering | 13 | 454 | 1808 | 2308 |
| 497 | Environmental Management | 18 | 454 | 1211 | 1666 |
| 499 | Catalyst | 1 | 453 | 84 | 29 |
| 500 | energy resources | 2 | 452 | 1729 | 900 |
| 501 | Community Psychiatry | 14 | 450 | 378 | 398 |
| 502 | Literacy | 28 | 447 | 29 | 38 |
| 503 | Securities | 4 | 445 | 240 | 65 |
| 504 | Social welfare | 22 | 444 | 133 | 137 |
| 505 | drugs | 5 | 442 | 1814 | 874 |
| 506 | nucleotides | 32 | 436 | 38 | 25 |
| 507 | Bioinorganic chemistry | 17 | 433 | 515 | 524 |
| 507 | Fungi | 17 | 433 | 370 | 522 |
| 509 | biological factors | 8 | 431 | 1195 | 793 |
| 510 | technical education | 27 | 429 | 80 | 118 |
| 510 | Suicide | 6 | 429 | 344 | 181 |
| 512 | Acoustics | 21 | 428 | 81 | 96 |
| 513 | educational innovations | 12 | 422 | 158 | 140 |
| 514 | role | 17 | 421 | 92 | 184 |
| 515 | DNA polymerases | 4 | 420 | 391 | 460 |
| 516 | Remote Sensing | 11 | 419 | 736 | 371 |
| 517 | Cybernetics | 18 | 417 | 570 | 736 |
| 518 | Zeolites | 8 | 411 | 504 | 398 |
| 519 | California | 24 | 410 | 93 | 129 |
| 520 | drug addiction | 19 | 409 | 403 | 564 |
| 521 | complementary therapies | 25 | 405 | 331 | 524 |
| 522 | polymerization | 16 | 401 | 1987 | 1887 |
| 523 | Quantum electronics | 24 | 395 | 541 | 597 |
| 524 | Systems Biology | 15 | 394 | 645 | 667 |
| 524 | Oncogenes | 4 | 394 | 1045 | 933 |
| 524 | War and Society | 8 | 394 | 101 | 105 |
| 524 | warfare | 8 | 394 | 138 | 125 |
| 528 | food technology | 6 | 392 | 1878 | 1253 |
| 529 | elder abuse | 11 | 390 | 108 | 98 |
| 529 | Nonprofit organizations | 20 | 390 | 36 | 76 |
| 531 | Continuing Education | 13 | 389 | 124 | 44 |
| 532 | Geodynamics | 13 | 386 | 403 | 465 |
| 533 | Environmental Geology | 12 | 385 | 747 | 689 |
| 534 | Community Psychology | 15 | 384 | 176 | 277 |
| 535 | Urology | 15 | 382 | 852 | 961 |
| 535 | Teratology | 17 | 382 | 68 | 123 |
| 537 | Personality Assessment | 9 | 380 | 273 | 291 |
| 538 | urban population | 3 | 378 | 208 | 137 |
| 539 | Religion and Psychology | 23 | 377 | 46 | 43 |
| 540 | Ore deposits | 4 | 374 | 456 | 218 |
| 541 | Meteorology | 9 | 371 | 1350 | 1361 |
| 541 | Oxidation-reduction | 7 | 371 | 530 | 612 |
| 543 | nursing education | 8 | 367 | 40 | 7 |
| 544 | Neuromuscular diseases | 4 | 366 | 555 | 290 |
| 544 | Muscles | 4 | 366 | 781 | 479 |
| 546 | Anatomy | 17 | 365 | 775 | 997 |
| 547 | Divorce | 17 | 364 | 15 | 8 |
| 548 | civil service | 14 | 363 | 106 | 134 |
| 549 | Speech acoustics | 5 | 359 | 143 | 101 |
| 550 | Political Sociology | 16 | 358 | 128 | 161 |
| 551 | Development Economics | 9 | 356 | 142 | 141 |
| 552 | Pharmacognosy | 10 | 355 | 999 | 998 |
| 553 | child mental health | 34 | 354 | 49 | 153 |
| 554 | Social Issues | 10 | 353 | 90 | 102 |
| 554 | Culture | 29 | 353 | 212 | 248 |
| 556 | Engineering | 35 | 352 | 1243 | 1846 |
| 556 | baking | 11 | 352 | 74 | 82 |
| 558 | Radiation effects | 8 | 349 | 298 | 279 |
| 559 | Biomass | 5 | 347 | 486 | 322 |
| 560 | environmental indicators | 10 | 344 | 570 | 623 |
| 561 | Geometry | 28 | 343 | 253 | 195 |
| 561 | Paleoclimatology | 7 | 343 | 734 | 601 |
| 563 | Herpetology | 20 | 336 | 46 | 38 |
| 564 | Medical Physics | 8 | 332 | 1176 | 978 |
| 565 | Environmental Psychology | 4 | 329 | 259 | 231 |
| 566 | stocks | 1 | 328 | 341 | 27 |
| 567 | Cartography | 6 | 327 | 259 | 51 |
| 567 | Geodesy | 6 | 327 | 469 | 230 |
| 569 | environmental protection | 15 | 326 | 1618 | 2054 |
| 569 | behavior modification | 13 | 326 | 170 | 268 |
| 571 | Mechatronics | 5 | 325 | 717 | 390 |
| 572 | Chemical Ecology | 12 | 321 | 188 | 275 |
| 572 | Marine invertebrates | 11 | 321 | 56 | 21 |
| 572 | pheromones | 12 | 321 | 171 | 258 |
| 575 | biomedicine | 5 | 319 | 386 | 240 |
| 576 | Plant Genetics | 4 | 318 | 589 | 463 |
| 577 | Medical innovations | 2 | 317 | 1358 | 1053 |
| 578 | Tourism | 15 | 316 | 579 | 901 |
| 579 | Paleoecology | 9 | 315 | 622 | 570 |
| 580 | Microeconomics | 11 | 311 | 109 | 147 |
| 581 | Mental Health Counseling | 5 | 307 | 44 | 4 |
| 582 | Reptiles | 18 | 306 | 32 | 35 |
| 582 | motor skills | 1 | 306 | 394 | 85 |
| 584 | Oxidative stress | 5 | 304 | 675 | 658 |
| 584 | Population | 16 | 304 | 278 | 411 |
| 586 | Crisis Intervention | 1 | 301 | 335 | 54 |
| 586 | Student Health Services | 9 | 301 | 132 | 100 |
| 588 | Welfare Economics | 6 | 300 | 275 | 212 |
| 589 | data protection | 3 | 299 | 616 | 116 |
| 589 | venom | 11 | 299 | 283 | 300 |
| 589 | Toxins | 11 | 299 | 319 | 338 |
| 592 | Ornithology | 28 | 298 | 238 | 353 |
| 592 | Japan | 7 | 298 | 1351 | 658 |
| 592 | lasers | 20 | 298 | 864 | 991 |
| 595 | Water | 19 | 297 | 1017 | 1805 |
| 595 | locomotion | 10 | 297 | 305 | 335 |
| 595 | posture | 10 | 297 | 305 | 335 |
| 595 | gait | 10 | 297 | 305 | 335 |
| 595 | walking | 10 | 297 | 305 | 335 |
| 600 | Leukemia | 2 | 296 | 1273 | 794 |
| 600 | biopolymers | 7 | 296 | 803 | 657 |
| 600 | biological invasions | 12 | 296 | 196 | 283 |
| 603 | Thin Films | 25 | 294 | 53 | 129 |
| 604 | Agricultural Chemistry | 24 | 293 | 737 | 1382 |
| 605 | Human Capital | 11 | 291 | 48 | 77 |
| 605 | Soft Condensed Matter | 6 | 291 | 785 | 595 |
| 605 | International Finance | 17 | 291 | 626 | 826 |
| 608 | Sleep Disorders | 45 | 289 | 300 | 823 |
| 609 | disabilities | 4 | 286 | 630 | 314 |
| 610 | Smoking | 14 | 284 | 307 | 459 |
| 610 | data collection | 10 | 284 | 499 | 655 |
| 612 | History | 40 | 283 | 209 | 121 |
| 613 | Nutrition physiology | 18 | 280 | 184 | 417 |
| 614 | Quality Management | 25 | 279 | 17 | 27 |
| 614 | mycoses | 3 | 279 | 834 | 673 |
| 616 | Cell differentiation | 12 | 277 | 855 | 1379 |
| 616 | Business communication | 21 | 277 | 19 | 45 |
| 618 | Nanostructures | 3 | 275 | 2044 | 1272 |
| 619 | Communication Disorders | 18 | 272 | 51 | 90 |
| 619 | Perception | 18 | 272 | 742 | 1112 |
| 621 | Sleep | 46 | 269 | 300 | 864 |
| 622 | Biosensors | 8 | 268 | 800 | 1083 |
| 622 | drug therapy | 9 | 268 | 1387 | 1433 |
| 624 | occupational diseases | 14 | 267 | 286 | 457 |
| 624 | Causality | 1 | 267 | 52 | 7 |
| 624 | Causation | 1 | 267 | 52 | 7 |
| 624 | Bioelectronics | 7 | 267 | 734 | 989 |
| 628 | Mathematics Education | 10 | 266 | 174 | 110 |
| 628 | Experimental Design | 14 | 266 | 90 | 175 |
| 628 | fuel cells | 3 | 266 | 1334 | 945 |
| 631 | Attention | 18 | 265 | 668 | 1049 |
| 632 | Adolescent Medicine | 11 | 264 | 238 | 590 |
| 632 | Geographic information systems | 19 | 264 | 262 | 353 |
| 632 | China | 15 | 264 | 1339 | 1446 |
| 635 | Structural optimization | 16 | 262 | 93 | 178 |
| 635 | Virulence | 2 | 262 | 1401 | 1082 |
| 637 | Career development | 25 | 259 | 32 | 102 |
| 637 | Medicinal plants | 5 | 259 | 1068 | 936 |
| 637 | Metallography | 10 | 259 | 420 | 402 |
| 640 | Elderly | 41 | 257 | 247 | 327 |
| 641 | student | 6 | 252 | 20 | 12 |
| 641 | sexual behavior | 7 | 252 | 374 | 339 |
| 643 | Phonetics | 6 | 250 | 197 | 152 |
| 643 | feeding behavior | 15 | 250 | 233 | 447 |
| 645 | Risk | 12 | 248 | 202 | 322 |
| 646 | Climatology | 6 | 245 | 1283 | 1146 |
| 647 | Radio wave propagation | 31 | 244 | 132 | 267 |
| 648 | Cognitive Therapy | 13 | 243 | 228 | 326 |
| 649 | Bacterial infections | 2 | 241 | 1087 | 748 |
| 649 | Therapeutics | 10 | 241 | 948 | 1264 |
| 651 | Atmospheric Science | 4 | 239 | 170 | 90 |
| 651 | atmosphere | 4 | 239 | 697 | 458 |
| 653 | Sociolinguistics | 11 | 238 | 158 | 180 |
| 653 | Decision Support Systems | 12 | 238 | 26 | 40 |
| 653 | Genetic variation | 7 | 238 | 36 | 26 |
| 656 | Written communication | 7 | 237 | 33 | 46 |
| 657 | Visual Perception | 18 | 236 | 639 | 1068 |
| 657 | Chemical analysis | 11 | 236 | 543 | 707 |
| 657 | insurance | 14 | 236 | 98 | 122 |
| 660 | Microwaves | 5 | 235 | 1204 | 720 |
| 661 | Electromagnetic waves | 5 | 234 | 209 | 68 |
| 661 | cell physiology | 7 | 234 | 1064 | 1271 |
| 663 | Quantum Optics | 12 | 233 | 375 | 391 |
| 663 | Laser Spectroscopy | 12 | 233 | 348 | 353 |
| 665 | Urban Education | 3 | 231 | 106 | 34 |
| 665 | Capital market | 6 | 231 | 242 | 210 |
| 667 | Nuclear Energy | 15 | 228 | 474 | 462 |
| 667 | Lipids | 8 | 228 | 811 | 996 |
| 669 | Numerical Analysis | 17 | 226 | 968 | 1047 |
| 669 | industrial relations | 6 | 226 | 537 | 339 |
| 671 | Positive Psychology | 11 | 225 | 36 | 133 |
| 671 | population policy | 10 | 225 | 45 | 59 |
| 673 | Algebra | 46 | 224 | 247 | 399 |
| 673 | Respiratory system | 8 | 224 | 324 | 387 |
| 673 | Post-traumatic stress disorder | 12 | 224 | 332 | 504 |
| 676 | Dance | 34 | 223 | 25 | 24 |
| 677 | Cost control | 2 | 221 | 196 | 43 |
| 678 | nuclear power | 11 | 220 | 255 | 164 |
| 679 | Communication in medicine | 9 | 219 | 250 | 276 |
| 680 | Electrical Engineering | 46 | 218 | 881 | 1518 |
| 680 | Diagnostic microbiology | 7 | 218 | 845 | 1254 |
| 682 | Ecosystem management | 12 | 217 | 266 | 423 |
| 682 | Food preferences | 9 | 217 | 163 | 261 |
| 682 | Soil ecology | 7 | 217 | 465 | 549 |
| 685 | Structural dynamics | 12 | 215 | 466 | 733 |
| 686 | Extracellular matrix | 4 | 214 | 207 | 235 |
| 686 | enzymes | 8 | 214 | 957 | 1099 |
| 686 | collagen | 4 | 214 | 223 | 244 |
| 689 | Finite Element Method | 6 | 213 | 167 | 115 |
| 690 | Applied Linguistics | 10 | 211 | 212 | 219 |
| 691 | Oceanography | 13 | 210 | 864 | 1186 |
| 691 | Transplantation | 4 | 210 | 986 | 944 |
| 693 | Occupational Health | 22 | 209 | 244 | 504 |
| 693 | Industrial Microbiology | 5 | 209 | 1626 | 1586 |
| 693 | Total Quality Management | 10 | 209 | 144 | 200 |
| 696 | Number Theory | 35 | 208 | 102 | 147 |
| 696 | water supply | 13 | 208 | 386 | 702 |
| 696 | family counseling | 13 | 208 | 20 | 23 |
| 699 | United Kingdom | 12 | 206 | 750 | 1158 |
| 700 | Pathology | 3 | 205 | 2308 | 1735 |
| 700 | Photochemistry | 6 | 205 | 1217 | 1077 |
| 702 | Social Stratification | 3 | 204 | 82 | 38 |
| 702 | Social mobility | 3 | 204 | 82 | 38 |
| 702 | social conflict | 3 | 204 | 189 | 67 |
| 702 | Scandinavia | 2 | 204 | 793 | 290 |
| 702 | social status | 3 | 204 | 82 | 38 |
| 702 | Occupational mobility | 3 | 204 | 82 | 38 |
| 708 | health planning | 10 | 203 | 1166 | 1164 |
| 708 | Human biology | 10 | 203 | 280 | 290 |
| 710 | Sociobiology | 15 | 202 | 58 | 125 |
| 711 | conflict management | 10 | 201 | 90 | 148 |
| 712 | Traffic Engineering | 1 | 200 | 748 | 285 |
| 713 | Agricultural Ecology | 7 | 199 | 654 | 934 |
| 713 | Human-Computer Interaction | 19 | 199 | 447 | 972 |
| 713 | Asset Management | 2 | 199 | 81 | 6 |
| 716 | Developmental Neurobiology | 3 | 198 | 524 | 263 |
| 716 | Stem cells | 2 | 198 | 1877 | 1228 |
| 718 | mental health policy | 5 | 197 | 153 | 115 |
| 719 | Primary health care | 10 | 196 | 907 | 1015 |
| 720 | Electromagnetism | 10 | 194 | 556 | 555 |
| 720 | Hormones | 11 | 194 | 677 | 1008 |
| 722 | Heat Exchangers | 12 | 190 | 576 | 975 |
| 722 | Feeding and Eating Disorders | 11 | 190 | 392 | 535 |
| 724 | freshwater biology | 7 | 189 | 555 | 559 |
| 725 | Boundary Value Problems | 8 | 188 | 422 | 375 |
| 725 | Antenna Arrays | 8 | 188 | 309 | 346 |
| 727 | wind erosion | 8 | 187 | 33 | 64 |
| 727 | homosexuality | 7 | 187 | 211 | 222 |
| 729 | Functional Analysis | 11 | 186 | 629 | 601 |
| 729 | Psychiatric Nursing | 5 | 186 | 483 | 302 |
| 729 | Supramolecular chemistry | 18 | 186 | 21 | 47 |
| 729 | Psychiatric Epidemiology | 3 | 186 | 511 | 419 |
| 733 | Histology | 6 | 185 | 1373 | 1434 |
| 733 | natural products | 9 | 185 | 1032 | 1058 |
| 735 | Engineering Geology | 16 | 184 | 573 | 996 |
| 735 | Ultrasonics | 5 | 184 | 979 | 971 |
| 737 | Food Policy | 9 | 183 | 138 | 301 |
| 738 | Paleogeography | 3 | 182 | 943 | 724 |
| 739 | Groundwater | 8 | 181 | 298 | 383 |
| 740 | Signal Transduction | 3 | 180 | 1552 | 1301 |
| 741 | Educational Research | 5 | 179 | 35 | 12 |
| 741 | auditory perception | 5 | 179 | 330 | 337 |
| 743 | Hydrogeology | 12 | 177 | 232 | 426 |
| 743 | Antibodies | 1 | 177 | 1165 | 489 |
| 743 | innovation | 6 | 177 | 390 | 605 |
| 743 | Antigens | 1 | 177 | 1445 | 638 |
| 747 | Freshwater invertebrates | 9 | 176 | 81 | 171 |
| 748 | Process Control | 5 | 175 | 680 | 852 |
| 748 | Industrial Policy | 7 | 175 | 263 | 309 |
| 748 | Aquatic ecology | 5 | 175 | 723 | 585 |
| 751 | synthesis | 7 | 174 | 648 | 401 |
| 752 | North America | 17 | 173 | 257 | 424 |
| 753 | Autonomous robots | 4 | 172 | 143 | 143 |
| 754 | forestry | 5 | 171 | 156 | 137 |
| 755 | Physical fitness | 15 | 170 | 361 | 702 |
| 756 | Nonlinear functional analysis | 14 | 169 | 385 | 576 |
| 756 | Geobiology | 6 | 169 | 307 | 317 |
| 758 | Carcinogenesis | 3 | 167 | 1077 | 912 |
| 758 | Relationships | 10 | 167 | 40 | 124 |
| 760 | economic forecasting | 5 | 166 | 209 | 237 |
| 760 | Forecasting | 5 | 166 | 383 | 326 |
| 760 | Self | 4 | 166 | 127 | 112 |
| 763 | Building Materials | 5 | 165 | 1396 | 1499 |
| 763 | Ethnoarchaeology | 5 | 165 | 104 | 106 |
| 763 | Financial management | 8 | 165 | 239 | 415 |
| 766 | digital preservation | 4 | 164 | 44 | 34 |
| 766 | moral development | 7 | 164 | 36 | 58 |
| 766 | Moral Education | 7 | 164 | 43 | 39 |
| 766 | Mortgages | 9 | 164 | 85 | 116 |
| 770 | consumers | 9 | 163 | 140 | 238 |
| 771 | Measurement | 18 | 162 | 420 | 844 |
| 771 | Real Estate Investment | 9 | 162 | 63 | 75 |
| 771 | Plant breeding | 11 | 162 | 351 | 553 |
| 771 | Algae | 6 | 162 | 526 | 546 |
| 771 | Quality of life | 8 | 162 | 884 | 1244 |
| 776 | Historiography | 4 | 161 | 88 | 12 |
| 777 | Aerospace Engineering | 14 | 160 | 72 | 76 |
| 777 | Chemotherapy | 3 | 160 | 1462 | 1121 |
| 777 | Topology | 7 | 160 | 171 | 98 |
| 777 | Helminthology | 12 | 160 | 19 | 11 |
| 777 | Electrochemical Analysis | 10 | 160 | 851 | 1100 |
| 777 | intervention | 10 | 160 | 36 | 29 |
| 777 | Helminths | 12 | 160 | 19 | 11 |
| 777 | Intellectual disability | 6 | 160 | 554 | 528 |
| 785 | Magnetic Resonance Spectroscopy | 14 | 157 | 531 | 733 |
| 785 | psychopathology | 3 | 157 | 327 | 292 |
| 785 | clay | 2 | 157 | 979 | 695 |
| 785 | clay minerals | 2 | 157 | 357 | 223 |
| 789 | Industrial Organization | 4 | 156 | 237 | 190 |
| 789 | Human Geography | 13 | 156 | 437 | 633 |
| 789 | Juvenile delinquency | 8 | 156 | 161 | 170 |
| 789 | Steroids | 8 | 156 | 597 | 762 |
| 793 | infection | 4 | 155 | 1581 | 1431 |
| 794 | Diagnosis | 1 | 154 | 871 | 214 |
| 794 | disease susceptibility | 1 | 154 | 131 | 32 |
| 794 | biochemical markers | 1 | 154 | 1281 | 391 |
| 794 | symptoms | 1 | 154 | 131 | 32 |
| 798 | Risk Management | 7 | 152 | 409 | 471 |
| 798 | Statistical Mechanics | 4 | 152 | 558 | 372 |
| 800 | Physical organic chemistry | 12 | 151 | 709 | 1002 |
| 800 | Medical Ethics | 9 | 151 | 591 | 578 |
| 802 | Information Systems | 15 | 150 | 471 | 1008 |
| 802 | Drug design | 7 | 150 | 996 | 1307 |
| 804 | Mobile Computing | 1 | 149 | 1792 | 761 |
| 804 | World Wide Web | 7 | 149 | 182 | 173 |
| 806 | Amphibians | 8 | 148 | 79 | 63 |
| 806 | Informatics | 9 | 148 | 435 | 670 |
| 808 | Vaccines | 4 | 147 | 1775 | 1547 |
| 809 | rural health | 4 | 146 | 153 | 124 |
| 810 | Pharmacy | 7 | 145 | 1490 | 1743 |
| 810 | Greenhouse gases | 2 | 145 | 420 | 336 |
| 810 | software | 4 | 145 | 974 | 946 |
| 810 | Appetite | 9 | 145 | 300 | 578 |
| 814 | Environmental Law | 3 | 144 | 1177 | 1336 |
| 814 | Volcanoes | 4 | 144 | 223 | 207 |
| 816 | Graph Theory | 14 | 143 | 260 | 288 |
| 816 | Diplomatic relations | 2 | 143 | 783 | 188 |
| 818 | Computer Science | 12 | 142 | 943 | 1172 |
| 818 | at-risk youth | 5 | 142 | 66 | 120 |
| 820 | Bioethics | 7 | 141 | 552 | 483 |
| 820 | men | 3 | 141 | 284 | 156 |
| 822 | Probability | 6 | 140 | 379 | 422 |
| 823 | Teacher Education | 2 | 139 | 68 | 45 |
| 823 | Adoption | 5 | 139 | 51 | 25 |
| 825 | Biogeochemical cycles | 4 | 138 | 380 | 544 |
| 826 | Nondestructive testing | 9 | 137 | 354 | 450 |
| 826 | Dynamics | 21 | 137 | 433 | 877 |
| 826 | animals | 14 | 137 | 482 | 734 |
| 826 | Birth control | 9 | 137 | 209 | 377 |
| 830 | Nanobiotechnology | 2 | 136 | 600 | 529 |
| 830 | pollutants | 9 | 136 | 1116 | 1821 |
| 830 | Environmental pollutants | 9 | 136 | 1394 | 2093 |
| 833 | Plant Taxonomy | 9 | 135 | 206 | 269 |
| 833 | cell interaction | 2 | 135 | 1347 | 1036 |
| 833 | Government agencies | 7 | 135 | 7 | 16 |
| 836 | Environmental Geochemistry | 1 | 134 | 1132 | 312 |
| 836 | Fisheries | 7 | 134 | 1049 | 1231 |
| 838 | Actuarial Science | 5 | 133 | 161 | 141 |
| 839 | Scanning electron microscopy | 3 | 132 | 126 | 58 |
| 840 | Mites | 14 | 131 | 111 | 196 |
| 841 | Regional Planning | 13 | 130 | 666 | 1091 |
| 841 | Nanoelectronics | 8 | 130 | 522 | 467 |
| 841 | Synapses | 3 | 130 | 266 | 262 |
| 844 | medical education | 10 | 129 | 931 | 1258 |
| 844 | Human Resources | 3 | 129 | 436 | 449 |
| 846 | Freshwater Ecology | 11 | 128 | 53 | 77 |
| 847 | Language Policy | 6 | 127 | 36 | 65 |
| 847 | Transgenic plants | 5 | 127 | 341 | 489 |
| 849 | Neonatology | 7 | 126 | 348 | 477 |
| 849 | Religion and Culture | 10 | 126 | 76 | 102 |
| 851 | Cultural Studies | 9 | 125 | 32 | 59 |
| 851 | Telemedicine | 2 | 125 | 471 | 287 |
| 853 | Hematology | 9 | 124 | 1764 | 2454 |
| 853 | Active Learning | 1 | 124 | 165 | 53 |
| 853 | Language and Culture | 7 | 124 | 43 | 35 |
| 853 | administrative agencies | 4 | 124 | 221 | 196 |
| 857 | Vision | 3 | 123 | 649 | 608 |
| 858 | Disease management | 4 | 121 | 95 | 59 |
| 858 | Multilingualism | 5 | 121 | 178 | 175 |
| 858 | natural disasters | 8 | 121 | 720 | 1139 |
| 861 | Dermatology | 5 | 120 | 1453 | 1421 |
| 861 | Global Health | 6 | 120 | 764 | 726 |
| 861 | Molecular Microbiology | 3 | 120 | 867 | 1050 |
| 861 | Screening | 1 | 120 | 428 | 119 |
| 861 | Body Image | 3 | 120 | 215 | 234 |
| 861 | body temperature | 2 | 120 | 678 | 333 |
| 867 | Autoimmunity | 2 | 119 | 947 | 828 |
| 867 | humanistic psychology | 7 | 119 | 25 | 44 |
| 869 | Industrial Safety | 6 | 118 | 813 | 917 |
| 870 | Epigenetics | 2 | 117 | 273 | 121 |
| 870 | Performance | 4 | 117 | 240 | 242 |
| 872 | Computer Engineering | 15 | 116 | 267 | 622 |
| 872 | Intelligent Transportation Systems | 5 | 116 | 905 | 1045 |
| 872 | Production Engineering | 11 | 116 | 1037 | 1403 |
| 872 | hazard mitigation | 7 | 116 | 510 | 774 |
| 876 | Ophthalmology | 2 | 115 | 2166 | 1639 |
| 877 | Geomagnetism | 6 | 114 | 431 | 505 |
| 878 | Ichnology | 1 | 113 | 156 | 37 |
| 878 | epilepsy | 6 | 113 | 648 | 788 |
| 878 | Trace fossils | 1 | 113 | 156 | 37 |
| 878 | soil management | 2 | 113 | 704 | 630 |
| 878 | Malaria | 2 | 113 | 902 | 669 |
| 878 | Spanish language | 9 | 113 | 22 | 3 |
| 878 | Extreme environments | 2 | 113 | 301 | 256 |
| 885 | sadness | 4 | 112 | 167 | 120 |
| 885 | death | 4 | 112 | 249 | 159 |
| 885 | antisocial personality disorder | 4 | 112 | 167 | 120 |
| 888 | Fire ecology | 3 | 111 | 58 | 55 |
| 888 | Fertilizers | 3 | 111 | 351 | 318 |
| 890 | Gender Studies | 6 | 110 | 317 | 375 |
| 890 | Popular culture | 10 | 110 | 188 | 164 |
| 890 | Ferroelectricity | 11 | 110 | 543 | 643 |
| 893 | Seismology | 4 | 109 | 444 | 406 |
| 893 | Microfabrication | 6 | 109 | 230 | 291 |
| 893 | sports administration | 4 | 109 | 232 | 209 |
| 896 | Animal welfare | 1 | 108 | 595 | 263 |
| 896 | national security | 7 | 108 | 186 | 114 |
| 898 | Queer Studies | 5 | 107 | 164 | 256 |
| 898 | nursing ethics | 3 | 107 | 201 | 181 |
| 898 | race relations | 11 | 107 | 243 | 403 |
| 901 | Information Theory | 6 | 106 | 1037 | 1157 |
| 901 | Bilingualism | 3 | 106 | 135 | 113 |
| 901 | Electrophysiology | 2 | 106 | 1356 | 867 |
| 901 | economic conditions | 6 | 106 | 333 | 464 |
| 905 | protein | 4 | 105 | 1133 | 1145 |
| 906 | Wetland ecology | 6 | 104 | 241 | 371 |
| 907 | Patient education | 5 | 102 | 450 | 659 |
| 907 | Open Access Publishing | 6 | 102 | 63 | 68 |
| 907 | Raman spectroscopy | 4 | 102 | 678 | 675 |
| 907 | Aquaculture | 7 | 102 | 948 | 1231 |
| 911 | Dentistry | 6 | 101 | 507 | 442 |
| 911 | public records | 1 | 101 | 76 | 11 |
| 911 | tillage | 1 | 101 | 755 | 578 |
| 914 | industrial hygiene | 16 | 100 | 297 | 571 |
| 914 | Globalization | 2 | 100 | 736 | 453 |
| 916 | Psychoneuroimmunology | 4 | 99 | 546 | 870 |
| 916 | Immunopathology | 5 | 99 | 1061 | 1365 |
| 916 | Economic Thought | 4 | 99 | 256 | 403 |
| 916 | Semiconductors | 5 | 99 | 1838 | 1664 |
| 916 | Neuroimmunology | 4 | 99 | 619 | 928 |
| 916 | deviant behavior | 6 | 99 | 185 | 201 |
| 922 | Venture Capital | 2 | 98 | 369 | 475 |
| 922 | Bones | 3 | 98 | 828 | 1017 |
| 924 | Sonochemistry | 2 | 97 | 802 | 870 |
| 924 | European integration | 2 | 97 | 258 | 189 |
| 924 | European Economic Community | 2 | 97 | 258 | 189 |
| 927 | Law | 8 | 96 | 684 | 536 |
| 927 | Religion and Sociology | 17 | 96 | 18 | 88 |
| 929 | Nonverbal Communication | 3 | 95 | 194 | 259 |
| 929 | Solar Energy | 6 | 95 | 1358 | 1971 |
| 929 | Cross-Cultural Studies | 7 | 95 | 397 | 586 |
| 929 | Immunochemistry | 3 | 95 | 1106 | 978 |
| 929 | Advertising | 6 | 95 | 170 | 337 |
| 929 | Jurisprudence | 8 | 95 | 525 | 658 |
| 935 | Geotechnical Engineering | 3 | 94 | 518 | 454 |
| 935 | Comparative Advertising | 4 | 94 | 51 | 61 |
| 935 | wood | 1 | 94 | 838 | 346 |
| 938 | Natural resources | 2 | 93 | 941 | 818 |
| 938 | brain mapping | 3 | 93 | 667 | 805 |
| 938 | African Americans | 5 | 93 | 120 | 94 |
| 938 | African American | 5 | 93 | 75 | 77 |
| 938 | eugenics | 11 | 93 | 213 | 521 |
| 943 | Structural Engineering | 5 | 92 | 1331 | 1388 |
| 943 | Game Theory | 6 | 92 | 355 | 403 |
| 943 | Plant genetic engineering | 6 | 92 | 640 | 1082 |
| 943 | Laser therapy | 3 | 92 | 502 | 288 |
| 943 | Ocean Engineering | 5 | 92 | 1389 | 1657 |
| 943 | economic development projects | 4 | 92 | 126 | 140 |
| 943 | magnetic resonance | 9 | 92 | 235 | 354 |
| 950 | Geriatric Psychiatry | 6 | 91 | 696 | 1013 |
| 950 | Information Retrieval | 3 | 91 | 490 | 471 |
| 950 | Ecohydrology | 3 | 91 | 379 | 315 |
| 950 | Cognitive Behavioral Therapy | 3 | 91 | 169 | 164 |
| 950 | heredity | 2 | 91 | 851 | 582 |
| 950 | Drug discovery | 2 | 91 | 385 | 283 |
| 956 | Material Culture | 5 | 90 | 65 | 63 |
| 956 | Behavioral Finance | 2 | 90 | 68 | 35 |
| 956 | Environmentalism | 2 | 90 | 193 | 194 |
| 956 | individual differences | 3 | 90 | 268 | 326 |
| 956 | Prisons | 1 | 90 | 552 | 180 |
| 961 | Bilingual Education | 6 | 89 | 33 | 59 |
| 961 | vibration | 10 | 89 | 609 | 1062 |
| 961 | Pacific Islands | 5 | 89 | 176 | 152 |
| 961 | Creativity | 3 | 89 | 267 | 277 |
| 961 | Multiple sclerosis | 3 | 89 | 631 | 408 |
| 966 | Nanochemistry | 6 | 88 | 900 | 1135 |
| 966 | Genetic Toxicology | 3 | 88 | 493 | 665 |
| 966 | Periglacial processes | 1 | 88 | 236 | 151 |
| 966 | Antioxidants | 3 | 88 | 787 | 1105 |
| 966 | Public Choice | 4 | 88 | 274 | 320 |
| 966 | Group decision making | 4 | 88 | 384 | 427 |
| 966 | Permafrost | 1 | 88 | 236 | 151 |
| 966 | Frozen ground | 1 | 88 | 241 | 151 |
| 966 | Chromosomes | 3 | 88 | 1027 | 1142 |
| 966 | Invertebrates | 3 | 88 | 616 | 550 |
| 966 | supercritical fluids | 4 | 88 | 322 | 448 |
| 966 | Oral communication | 6 | 88 | 268 | 374 |
| 978 | Housing | 2 | 87 | 623 | 518 |
| 978 | organizational effectiveness | 5 | 87 | 268 | 367 |
| 978 | Sales management | 5 | 87 | 157 | 381 |
| 978 | Ultrasound | 3 | 87 | 794 | 771 |
| 978 | selling | 5 | 87 | 157 | 381 |
| 983 | Calorimetry | 7 | 86 | 722 | 976 |
| 983 | Thermal analysis | 7 | 86 | 722 | 976 |
| 985 | Artificial Organs | 11 | 85 | 293 | 531 |
| 985 | Simulation Methods | 5 | 85 | 704 | 829 |
| 985 | Labor Unions | 4 | 85 | 175 | 101 |
| 985 | Water quality management | 8 | 85 | 1129 | 1710 |
| 985 | Reproductive toxicology | 6 | 85 | 256 | 524 |
| 985 | Tropical Medicine | 10 | 85 | 971 | 1642 |
| 985 | drug abuse | 9 | 85 | 320 | 628 |
| 992 | Water pollution | 5 | 84 | 2325 | 3054 |
| 992 | nuclear magnetic resonance | 6 | 84 | 785 | 899 |
| 994 | Enteral nutrition | 6 | 83 | 599 | 1058 |
| 994 | Parenteral nutrition | 6 | 83 | 725 | 1207 |
| 994 | Social policy | 7 | 83 | 584 | 777 |
| 994 | Health insurance | 2 | 83 | 583 | 480 |
| 994 | educational statistics | 1 | 83 | 173 | 110 |
| 994 | population geography | 4 | 83 | 319 | 369 |
| 1000 | Latin America | 19 | 82 | 343 | 552 |