| 1 | Biology | 956 | 76.7K | 369 | 385 |
| 2 | Science | 865 | 68.1K | 425 | 443 |
| 3 | Neurology | 883 | 62.6K | 201 | 175 |
| 4 | Physics | 548 | 60.8K | 815 | 541 |
| 5 | Medicine | 1,007 | 49.9K | 375 | 362 |
| 6 | Geophysics | 591 | 45.1K | 187 | 88 |
| 7 | Chemistry | 536 | 37.4K | 807 | 555 |
| 8 | Molecular Biology | 529 | 35.1K | 531 | 444 |
| 9 | Natural history | 76 | 33.8K | 754 | 434 |
| 10 | Research | 797 | 31.9K | 337 | 297 |
| 11 | Planets | 367 | 28.1K | 85 | 47 |
| 12 | Ecology | 268 | 22.8K | 583 | 421 |
| 13 | Nuclear Physics | 407 | 21.8K | 534 | 379 |
| 14 | Virology | 163 | 21.1K | 363 | 272 |
| 15 | Biochemistry | 506 | 20.2K | 827 | 790 |
| 16 | Alzheimer's disease | 275 | 20.1K | 70 | 29 |
| 17 | Neurophysiology | 210 | 20.1K | 264 | 173 |
| 18 | Dementia | 258 | 19.6K | 68 | 26 |
| 19 | Cytology | 151 | 18.7K | 661 | 445 |
| 20 | Atmospheric Physics | 211 | 16.5K | 125 | 80 |
| 21 | Cell Biology | 118 | 16.1K | 724 | 485 |
| 22 | Human genetics | 64 | 15.3K | 550 | 453 |
| 23 | Environment | 129 | 13.6K | 686 | 445 |
| 24 | Neurobiology | 151 | 13.6K | 132 | 95 |
| 25 | Brain | 223 | 13.3K | 195 | 148 |
| 26 | Microbiology | 241 | 12.8K | 758 | 727 |
| 27 | Genetics | 148 | 12.5K | 476 | 410 |
| 28 | Pollution | 125 | 12.1K | 792 | 443 |
| 29 | Technology | 136 | 11.9K | 394 | 92 |
| 30 | Hydrology | 123 | 11.6K | 231 | 74 |
| 31 | Psychiatry | 239 | 11.6K | 390 | 387 |
| 32 | Water | 122 | 11.5K | 216 | 116 |
| 33 | water supply | 108 | 11.0K | 64 | 23 |
| 34 | Developmental Biology | 164 | 10.9K | 189 | 202 |
| 35 | Nanotechnology | 152 | 10.7K | 743 | 530 |
| 36 | Psychophysiology | 178 | 10.5K | 300 | 237 |
| 37 | Biotechnology | 135 | 10.4K | 902 | 589 |
| 38 | Public Health | 153 | 10.4K | 696 | 400 |
| 39 | Materials | 184 | 10.4K | 934 | 670 |
| 40 | Medical genetics | 183 | 10.1K | 301 | 329 |
| 41 | Biophysics | 496 | 10.0K | 317 | 492 |
| 42 | Astrophysics | 177 | 9.9K | 677 | 686 |
| 43 | Psychology | 211 | 9.6K | 480 | 382 |
| 44 | United States | 289 | 8.9K | 341 | 328 |
| 45 | Environmental Health | 138 | 8.7K | 646 | 484 |
| 46 | Biodiversity conservation | 63 | 8.7K | 266 | 154 |
| 47 | Climate change | 57 | 8.6K | 138 | 113 |
| 47 | Eutrophication | 57 | 8.6K | 133 | 112 |
| 49 | Immunology | 194 | 8.4K | 500 | 594 |
| 50 | Physiology | 140 | 7.9K | 608 | 430 |
| 51 | Earth Sciences | 62 | 7.9K | 720 | 222 |
| 52 | Endocrinology | 112 | 7.8K | 520 | 439 |
| 53 | Hematology | 256 | 7.7K | 459 | 438 |
| 54 | Economics | 120 | 7.7K | 684 | 277 |
| 55 | Growth | 73 | 7.6K | 177 | 151 |
| 56 | Biogeochemical cycles | 67 | 7.4K | 20 | 18 |
| 57 | Cancer | 162 | 7.4K | 501 | 550 |
| 58 | Astronomy | 168 | 7.3K | 613 | 656 |
| 59 | Pharmacology | 165 | 7.3K | 805 | 635 |
| 60 | Oncology | 56 | 7.2K | 427 | 324 |
| 61 | Memory | 129 | 7.0K | 171 | 120 |
| 62 | Botany | 125 | 7.0K | 673 | 551 |
| 63 | Spectrum analysis | 109 | 6.9K | 825 | 666 |
| 64 | Child Development | 86 | 6.9K | 271 | 155 |
| 65 | Obstetrics | 241 | 6.7K | 173 | 157 |
| 66 | Cell differentiation | 73 | 6.5K | 299 | 281 |
| 67 | Child psychology | 61 | 6.3K | 274 | 164 |
| 68 | miniaturization | 61 | 6.3K | 295 | 216 |
| 69 | Neurochemistry | 90 | 6.3K | 399 | 253 |
| 70 | Biomedical Engineering | 151 | 6.2K | 494 | 396 |
| 71 | Vocational guidance | 9 | 6.2K | 510 | 39 |
| 72 | Climatology | 59 | 6.1K | 354 | 209 |
| 73 | Neurons | 27 | 5.9K | 211 | 200 |
| 74 | Atmospheric Chemistry | 84 | 5.9K | 168 | 172 |
| 75 | Urology | 153 | 5.9K | 173 | 164 |
| 76 | Behavior | 110 | 5.8K | 409 | 385 |
| 77 | radiocarbon dating | 7 | 5.8K | 29 | 20 |
| 78 | Embryology | 76 | 5.7K | 253 | 216 |
| 79 | Mental Disorders | 118 | 5.7K | 390 | 402 |
| 80 | Geochemical Modeling | 43 | 5.6K | 30 | 11 |
| 80 | geological modeling | 43 | 5.6K | 37 | 11 |
| 82 | Anatomy | 69 | 5.5K | 327 | 196 |
| 83 | Bioengineering | 79 | 5.5K | 787 | 649 |
| 84 | Nervous system | 70 | 5.5K | 436 | 313 |
| 85 | Computational Biology | 63 | 5.3K | 458 | 315 |
| 86 | Sociology | 110 | 5.3K | 332 | 233 |
| 87 | Surgery | 38 | 5.2K | 686 | 424 |
| 88 | Materials Science | 119 | 5.1K | 802 | 723 |
| 89 | Health promotion | 38 | 5.0K | 334 | 102 |
| 90 | Learning | 64 | 4.9K | 165 | 97 |
| 91 | preventive medicine | 28 | 4.8K | 392 | 107 |
| 92 | Psychopharmacology | 74 | 4.7K | 252 | 193 |
| 93 | genome | 25 | 4.4K | 519 | 301 |
| 94 | Mental illness | 101 | 4.2K | 221 | 303 |
| 95 | Bioinformatics | 33 | 4.2K | 574 | 304 |
| 96 | Catalysis | 67 | 4.2K | 992 | 746 |
| 97 | Pathology | 66 | 4.1K | 512 | 381 |
| 98 | Epidemiology | 109 | 4.1K | 550 | 505 |
| 99 | Combinatorial chemistry | 34 | 4.0K | 122 | 48 |
| 100 | viruses | 87 | 4.0K | 223 | 300 |
| 101 | biological evolution | 42 | 3.9K | 541 | 404 |
| 102 | Solid State Physics | 117 | 3.8K | 869 | 765 |
| 103 | Molecular structure | 31 | 3.8K | 685 | 240 |
| 104 | Cytogenetics | 49 | 3.8K | 298 | 303 |
| 105 | Dermatology | 163 | 3.7K | 127 | 173 |
| 106 | Liver diseases | 36 | 3.7K | 462 | 361 |
| 107 | Environmental Engineering | 60 | 3.7K | 727 | 538 |
| 108 | human behavior | 60 | 3.7K | 430 | 420 |
| 109 | Pediatrics | 84 | 3.7K | 454 | 465 |
| 110 | Mathematics | 281 | 3.7K | 667 | 632 |
| 111 | Aging | 89 | 3.6K | 480 | 376 |
| 112 | Metabolism | 61 | 3.6K | 772 | 720 |
| 113 | Condensed Matter | 104 | 3.5K | 883 | 782 |
| 114 | Chemical Engineering | 32 | 3.5K | 1842 | 949 |
| 115 | Medical Laboratory Science | 81 | 3.4K | 156 | 159 |
| 116 | Animal Behavior | 41 | 3.4K | 500 | 326 |
| 117 | Developmental Psychology | 39 | 3.3K | 215 | 137 |
| 118 | Metabolic diseases | 85 | 3.3K | 457 | 633 |
| 119 | Oceanography | 59 | 3.3K | 427 | 317 |
| 120 | Plant Ecology | 33 | 3.3K | 473 | 238 |
| 121 | Ophthalmology | 80 | 3.3K | 271 | 236 |
| 122 | Geology | 49 | 3.3K | 964 | 523 |
| 123 | Immunity | 42 | 3.2K | 602 | 700 |
| 124 | Pediatric Neurology | 24 | 3.2K | 396 | 258 |
| 125 | Pharmaceutical Chemistry | 77 | 3.2K | 831 | 737 |
| 126 | Analytical Chemistry | 50 | 3.2K | 1408 | 815 |
| 127 | sanitation | 47 | 3.1K | 340 | 378 |
| 128 | Bacteriology | 40 | 3.0K | 526 | 420 |
| 129 | Genetic regulation | 31 | 3.0K | 261 | 226 |
| 130 | Ethology | 29 | 3.0K | 471 | 295 |
| 131 | Medical Microbiology | 41 | 2.9K | 681 | 517 |
| 132 | Child | 72 | 2.9K | 402 | 284 |
| 133 | brain mapping | 62 | 2.9K | 56 | 72 |
| 134 | Evolution | 41 | 2.8K | 487 | 427 |
| 135 | Muscles | 45 | 2.8K | 103 | 68 |
| 136 | Perception | 95 | 2.8K | 262 | 283 |
| 137 | management | 42 | 2.7K | 917 | 647 |
| 138 | Artificial Intelligence | 63 | 2.7K | 730 | 466 |
| 139 | Geriatrics | 98 | 2.6K | 450 | 475 |
| 140 | free radicals | 35 | 2.6K | 342 | 249 |
| 141 | Attention | 85 | 2.6K | 256 | 256 |
| 142 | Criminology | 59 | 2.6K | 130 | 74 |
| 143 | Hypertension | 51 | 2.5K | 401 | 507 |
| 144 | Geobiology | 37 | 2.5K | 40 | 10 |
| 145 | Nanostructured Materials | 65 | 2.5K | 748 | 687 |
| 146 | Cognition | 58 | 2.5K | 324 | 312 |
| 147 | gene mapping | 33 | 2.5K | 567 | 425 |
| 148 | Diabetes | 44 | 2.4K | 632 | 660 |
| 149 | Education | 63 | 2.4K | 786 | 441 |
| 150 | Visual Perception | 79 | 2.4K | 261 | 258 |
| 151 | Gene expression regulation | 23 | 2.4K | 276 | 200 |
| 152 | Biocompatible Materials | 62 | 2.4K | 971 | 1125 |
| 153 | Diabetes mellitus | 41 | 2.4K | 618 | 640 |
| 154 | Cardiovascular system | 31 | 2.3K | 555 | 576 |
| 155 | Transportation | 48 | 2.3K | 330 | 225 |
| 156 | Adolescent | 92 | 2.2K | 247 | 267 |
| 157 | Medical Physics | 65 | 2.2K | 335 | 287 |
| 158 | Microbial Ecology | 34 | 2.2K | 714 | 665 |
| 159 | Criminal psychology | 33 | 2.2K | 168 | 82 |
| 160 | drug therapy | 54 | 2.2K | 580 | 480 |
| 161 | Microelectronics | 25 | 2.1K | 682 | 439 |
| 162 | Cognitive neuroscience | 27 | 2.1K | 285 | 281 |
| 163 | Experimental Psychology | 9 | 2.1K | 333 | 74 |
| 164 | Physical Chemistry | 54 | 2.1K | 470 | 473 |
| 165 | Schizophrenia | 47 | 2.1K | 233 | 234 |
| 166 | Environmental Policy | 25 | 2.1K | 1145 | 739 |
| 167 | Urban Economics | 26 | 2.1K | 52 | 35 |
| 168 | Energy Conversion | 22 | 2.1K | 423 | 397 |
| 169 | nucleic acids | 21 | 2.1K | 790 | 659 |
| 170 | Developmental Genetics | 21 | 2.1K | 199 | 222 |
| 171 | Environmental Toxicology | 24 | 2.1K | 827 | 475 |
| 172 | Nuclear Fusion | 65 | 2.0K | 127 | 91 |
| 173 | Neuropsychology | 48 | 2.0K | 567 | 486 |
| 174 | finance | 25 | 2.0K | 811 | 313 |
| 175 | Economic Development | 15 | 2.0K | 752 | 291 |
| 176 | Political Science | 70 | 2.0K | 291 | 233 |
| 177 | Genomics | 50 | 2.0K | 807 | 752 |
| 178 | urban population | 20 | 1.9K | 39 | 21 |
| 179 | Organic Chemistry | 62 | 1.9K | 778 | 749 |
| 180 | Stem cells | 40 | 1.9K | 397 | 363 |
| 181 | Toxicology | 84 | 1.9K | 961 | 1289 |
| 182 | Sustainable Development | 18 | 1.9K | 720 | 297 |
| 183 | Human-Computer Interaction | 28 | 1.9K | 284 | 89 |
| 184 | pain | 38 | 1.8K | 330 | 341 |
| 185 | Medical Anthropology | 32 | 1.8K | 291 | 268 |
| 186 | Environmental Chemistry | 18 | 1.8K | 846 | 551 |
| 187 | crime | 34 | 1.8K | 131 | 62 |
| 188 | cryosphere | 18 | 1.8K | 162 | 82 |
| 189 | DNA polymerases | 18 | 1.8K | 130 | 168 |
| 190 | Information Technology | 21 | 1.8K | 842 | 229 |
| 191 | Therapeutics | 49 | 1.8K | 384 | 444 |
| 192 | viral genetics | 14 | 1.8K | 155 | 198 |
| 193 | Medical Oncology | 100 | 1.8K | 330 | 498 |
| 194 | Hippocampus | 35 | 1.8K | 18 | 41 |
| 195 | ecosystem | 15 | 1.8K | 629 | 310 |
| 196 | Kidney diseases | 66 | 1.7K | 94 | 140 |
| 197 | Radiobiology | 104 | 1.7K | 275 | 368 |
| 198 | Biomolecules | 3 | 1.7K | 527 | 50 |
| 199 | Structure-activity relationship | 2 | 1.7K | 667 | 37 |
| 200 | Respiration | 30 | 1.7K | 485 | 341 |
| 201 | Social Sciences | 75 | 1.7K | 565 | 435 |
| 201 | Molecular evolution | 24 | 1.7K | 571 | 389 |
| 203 | proteins | 37 | 1.6K | 583 | 467 |
| 204 | Metallurgy | 37 | 1.6K | 721 | 514 |
| 205 | Nutrition | 65 | 1.6K | 1041 | 1323 |
| 206 | Statistics | 77 | 1.6K | 466 | 512 |
| 207 | Sarcopenia | 11 | 1.6K | 117 | 27 |
| 208 | Emergency Medicine | 63 | 1.6K | 262 | 218 |
| 209 | Statistical physics | 50 | 1.6K | 1205 | 1036 |
| 210 | Europe | 17 | 1.5K | 1656 | 574 |
| 211 | Rheumatology | 9 | 1.5K | 909 | 352 |
| 212 | Environmental monitoring | 27 | 1.5K | 1452 | 1128 |
| 213 | medical education | 51 | 1.5K | 378 | 320 |
| 214 | Nephrology | 59 | 1.5K | 74 | 129 |
| 215 | Hospitals | 63 | 1.5K | 81 | 91 |
| 216 | fuel cells | 21 | 1.5K | 460 | 378 |
| 217 | Social Psychology | 61 | 1.5K | 405 | 566 |
| 218 | Systems Biology | 46 | 1.5K | 224 | 195 |
| 219 | Electronics | 37 | 1.5K | 1187 | 666 |
| 220 | plant molecular biology | 7 | 1.5K | 1146 | 629 |
| 221 | Biochemical Engineering | 10 | 1.5K | 2213 | 1474 |
| 222 | Mobile Computing | 10 | 1.5K | 557 | 49 |
| 223 | Virulence | 20 | 1.5K | 463 | 476 |
| 224 | sustainability | 10 | 1.5K | 348 | 154 |
| 225 | Metals | 40 | 1.5K | 615 | 529 |
| 226 | Marine Biology | 16 | 1.5K | 1400 | 719 |
| 227 | Optical materials | 36 | 1.5K | 824 | 819 |
| 228 | Plant physiology | 10 | 1.5K | 1373 | 722 |
| 229 | Mathematical Physics | 68 | 1.4K | 615 | 604 |
| 230 | Surface Chemistry | 36 | 1.4K | 1378 | 1186 |
| 231 | Biogeochemistry | 15 | 1.4K | 564 | 380 |
| 232 | Genetic engineering | 29 | 1.4K | 643 | 598 |
| 233 | Quantum Gravity | 63 | 1.4K | 707 | 778 |
| 234 | Health | 47 | 1.4K | 483 | 471 |
| 235 | Oncogenes | 11 | 1.4K | 786 | 553 |
| 236 | Cognitive Science | 21 | 1.4K | 471 | 354 |
| 237 | biocatalysis | 4 | 1.4K | 148 | 100 |
| 237 | Homogeneous catalysis | 4 | 1.4K | 148 | 100 |
| 237 | Heterogeneous catalysis | 4 | 1.4K | 148 | 100 |
| 240 | Nonlinear Dynamics | 39 | 1.4K | 701 | 588 |
| 241 | soil microbiology | 14 | 1.4K | 714 | 511 |
| 242 | Molecular Genetics | 32 | 1.4K | 638 | 622 |
| 243 | Colloids | 37 | 1.4K | 1297 | 1269 |
| 244 | Natural resources | 9 | 1.4K | 435 | 128 |
| 245 | Nanoparticles | 26 | 1.4K | 569 | 410 |
| 246 | Hydraulic Engineering | 9 | 1.4K | 598 | 127 |
| 247 | Tropical Medicine | 52 | 1.3K | 252 | 237 |
| 248 | Hydrodynamics | 8 | 1.3K | 360 | 83 |
| 249 | Geochemistry | 24 | 1.3K | 887 | 716 |
| 250 | Health Policy | 32 | 1.3K | 695 | 510 |
| 251 | Multimedia Systems | 9 | 1.3K | 1013 | 99 |
| 252 | Bioorganic chemistry | 43 | 1.3K | 778 | 851 |
| 253 | Meteorology | 28 | 1.3K | 859 | 875 |
| 253 | Host-parasite interactions | 21 | 1.3K | 468 | 594 |
| 255 | personality | 17 | 1.3K | 622 | 466 |
| 256 | Cerebral cortex | 23 | 1.3K | 307 | 297 |
| 257 | United Kingdom | 13 | 1.3K | 910 | 506 |
| 258 | Philosophy | 86 | 1.3K | 259 | 145 |
| 259 | arthritis | 13 | 1.3K | 804 | 546 |
| 260 | Vision | 34 | 1.3K | 151 | 177 |
| 261 | Computer Vision | 12 | 1.3K | 566 | 321 |
| 262 | Neuromuscular diseases | 34 | 1.3K | 119 | 131 |
| 262 | Reproduction | 52 | 1.3K | 574 | 670 |
| 264 | Obesity | 37 | 1.2K | 602 | 720 |
| 265 | Teaching | 23 | 1.2K | 534 | 270 |
| 266 | Optics | 55 | 1.2K | 1428 | 1179 |
| 267 | nanoscience | 31 | 1.2K | 1016 | 1105 |
| 268 | Clinical Chemistry | 30 | 1.2K | 1112 | 1002 |
| 269 | environmental exposure | 15 | 1.2K | 853 | 379 |
| 270 | rehabilitation | 42 | 1.2K | 484 | 557 |
| 271 | Biogeography | 20 | 1.2K | 334 | 376 |
| 272 | Biometrics | 55 | 1.2K | 164 | 243 |
| 273 | Soil biology | 11 | 1.2K | 529 | 363 |
| 274 | Immunopathology | 36 | 1.2K | 367 | 401 |
| 275 | Malaria | 39 | 1.1K | 139 | 147 |
| 276 | Earthquake Engineering | 36 | 1.1K | 328 | 318 |
| 277 | Wireless Communication Systems | 43 | 1.1K | 357 | 259 |
| 277 | Astrocytes | 13 | 1.1K | 189 | 139 |
| 279 | Diagnostic microbiology | 23 | 1.1K | 493 | 663 |
| 280 | Molecular ecology | 26 | 1.1K | 364 | 489 |
| 281 | computer networks | 28 | 1.1K | 691 | 394 |
| 282 | Meteorites | 14 | 1.1K | 561 | 467 |
| 283 | adolescence | 45 | 1.1K | 137 | 222 |
| 284 | histological techniques | 14 | 1.1K | 269 | 155 |
| 285 | cloning | 12 | 1.1K | 315 | 258 |
| 286 | Critical Care | 26 | 1.1K | 646 | 834 |
| 287 | atmospheric models | 18 | 1.1K | 299 | 268 |
| 288 | Pharmacogenetics | 21 | 1.1K | 339 | 297 |
| 289 | Population Genetics | 25 | 1.1K | 416 | 465 |
| 290 | Developing countries | 18 | 1.1K | 951 | 503 |
| 291 | Sleep Disorders | 95 | 1.1K | 187 | 479 |
| 292 | Psycholinguistics | 25 | 1.1K | 278 | 271 |
| 293 | Sleep | 94 | 1.0K | 192 | 488 |
| 294 | Developmental Disabilities | 14 | 1.0K | 462 | 329 |
| 295 | Neuropharmacology | 9 | 995 | 307 | 82 |
| 296 | Infertility | 39 | 985 | 304 | 407 |
| 296 | fertility | 40 | 985 | 306 | 424 |
| 298 | Molecular Pharmacology | 6 | 982 | 656 | 215 |
| 299 | Neuroimmunology | 15 | 977 | 279 | 211 |
| 300 | Membranes | 26 | 974 | 612 | 698 |
| 300 | Immune system | 10 | 974 | 678 | 727 |
| 302 | Hormones | 7 | 963 | 1109 | 452 |
| 303 | Computer Science | 20 | 961 | 729 | 236 |
| 304 | behavioral medicine | 30 | 955 | 327 | 438 |
| 305 | Cell death | 11 | 953 | 778 | 599 |
| 306 | Psychoneuroimmunology | 14 | 950 | 264 | 198 |
| 307 | Diagnostic Imaging | 49 | 946 | 420 | 661 |
| 307 | cell physiology | 20 | 946 | 637 | 741 |
| 309 | Parasitic Diseases | 30 | 925 | 619 | 697 |
| 310 | Biodiversity | 17 | 914 | 1037 | 800 |
| 311 | protein | 24 | 906 | 396 | 392 |
| 311 | Oxidation-reduction | 9 | 906 | 497 | 380 |
| 313 | infection | 14 | 903 | 899 | 651 |
| 314 | Business | 18 | 897 | 925 | 796 |
| 315 | Post-traumatic stress disorder | 15 | 896 | 299 | 215 |
| 316 | Jurisprudence | 18 | 886 | 364 | 163 |
| 317 | Economic History | 35 | 879 | 1119 | 802 |
| 318 | Electrochemistry | 110 | 875 | 694 | 1388 |
| 319 | Proteome | 13 | 869 | 622 | 457 |
| 320 | commerce | 14 | 862 | 697 | 421 |
| 321 | Roads | 20 | 859 | 290 | 135 |
| 322 | Parasitology | 36 | 854 | 704 | 733 |
| 323 | Infection control | 39 | 846 | 74 | 118 |
| 324 | Radiation | 23 | 841 | 818 | 542 |
| 324 | Developmental Neurobiology | 20 | 841 | 98 | 56 |
| 326 | alcoholism | 34 | 834 | 444 | 544 |
| 327 | Chemotherapy | 21 | 830 | 578 | 441 |
| 328 | Carcinogenesis | 21 | 824 | 311 | 347 |
| 329 | Psychometrics | 22 | 822 | 109 | 150 |
| 330 | Anthropology | 37 | 821 | 439 | 341 |
| 331 | Automation | 12 | 819 | 987 | 550 |
| 331 | Allergy | 17 | 819 | 640 | 856 |
| 333 | Numerical Analysis | 23 | 818 | 911 | 511 |
| 333 | mathematical analysis | 43 | 818 | 743 | 524 |
| 335 | Clinical Psychology | 32 | 813 | 439 | 703 |
| 336 | Geography | 23 | 808 | 890 | 714 |
| 337 | Substance Abuse | 32 | 786 | 424 | 433 |
| 338 | Drug design | 10 | 785 | 1030 | 517 |
| 339 | Infections | 10 | 780 | 745 | 572 |
| 340 | Demography | 12 | 778 | 317 | 170 |
| 341 | Neural circuitry | 11 | 777 | 1077 | 602 |
| 342 | Biomechanics | 8 | 775 | 1028 | 474 |
| 343 | Investment analysis | 6 | 770 | 536 | 120 |
| 343 | carcinogens | 14 | 770 | 432 | 362 |
| 345 | Computational Chemistry | 15 | 762 | 223 | 229 |
| 346 | Histology | 26 | 754 | 651 | 796 |
| 347 | Decision making | 19 | 743 | 484 | 422 |
| 348 | global environmental change | 10 | 742 | 444 | 350 |
| 349 | city planning | 28 | 739 | 436 | 403 |
| 350 | Clinical Biochemistry | 42 | 734 | 236 | 404 |
| 351 | Reading | 20 | 732 | 158 | 126 |
| 352 | Photonics | 33 | 729 | 494 | 831 |
| 353 | Plants | 8 | 723 | 1553 | 1018 |
| 354 | Genetic therapy | 20 | 720 | 490 | 591 |
| 355 | Signal Transduction | 12 | 717 | 777 | 706 |
| 356 | Risk | 15 | 716 | 184 | 158 |
| 357 | epilepsy | 26 | 711 | 239 | 264 |
| 358 | Community Psychology | 24 | 710 | 133 | 216 |
| 359 | Radio | 9 | 706 | 486 | 120 |
| 360 | Transplantation | 28 | 702 | 461 | 674 |
| 361 | Operations Research | 15 | 701 | 1144 | 794 |
| 362 | Critical Care Medicine | 17 | 694 | 842 | 1089 |
| 363 | Linguistics | 12 | 691 | 808 | 316 |
| 364 | Econometrics | 29 | 689 | 384 | 427 |
| 364 | Synapses | 17 | 689 | 71 | 78 |
| 366 | Sports Medicine | 35 | 685 | 806 | 896 |
| 367 | Otolaryngology | 35 | 684 | 120 | 169 |
| 367 | Sexual health | 69 | 684 | 59 | 185 |
| 369 | Law | 12 | 681 | 841 | 142 |
| 370 | Antioxidants | 6 | 678 | 605 | 397 |
| 371 | RNA | 9 | 674 | 298 | 216 |
| 372 | Neuropsychiatry | 23 | 664 | 275 | 318 |
| 373 | Ethnology | 24 | 663 | 434 | 246 |
| 374 | Computer-Aided Design | 7 | 662 | 858 | 292 |
| 375 | Nanostructures | 7 | 657 | 1751 | 961 |
| 376 | Data Mining | 10 | 653 | 885 | 606 |
| 376 | occupational diseases | 11 | 653 | 498 | 299 |
| 378 | Computer Graphics | 18 | 646 | 674 | 525 |
| 379 | Bone diseases | 2 | 644 | 790 | 256 |
| 379 | Parasites | 27 | 644 | 447 | 494 |
| 381 | Environmental Microbiology | 11 | 639 | 767 | 715 |
| 382 | Regional Planning | 19 | 635 | 620 | 488 |
| 382 | enzymes | 15 | 635 | 708 | 618 |
| 384 | Homeostasis | 3 | 633 | 607 | 645 |
| 384 | Cell metabolism | 3 | 633 | 900 | 663 |
| 386 | Physical Therapy | 26 | 630 | 400 | 559 |
| 387 | Public Policy | 29 | 629 | 460 | 600 |
| 388 | Molecular Microbiology | 21 | 628 | 330 | 588 |
| 389 | Community Psychiatry | 17 | 625 | 384 | 368 |
| 390 | Chromosome mapping | 15 | 621 | 935 | 967 |
| 391 | Youth | 13 | 620 | 284 | 231 |
| 392 | environmental protection | 17 | 610 | 1673 | 1589 |
| 393 | Information Theory | 23 | 607 | 332 | 331 |
| 394 | Microscopy | 56 | 605 | 201 | 430 |
| 394 | Vaccines | 18 | 605 | 878 | 849 |
| 396 | Technological Innovations | 14 | 598 | 318 | 232 |
| 397 | Radiology | 26 | 593 | 579 | 480 |
| 398 | Adolescent Psychology | 27 | 586 | 203 | 338 |
| 399 | Image Processing | 12 | 585 | 1095 | 807 |
| 400 | Bioethics | 16 | 584 | 325 | 156 |
| 401 | Combustion | 28 | 581 | 377 | 473 |
| 402 | Medical Ethics | 16 | 579 | 447 | 230 |
| 403 | Proteomics | 9 | 578 | 712 | 505 |
| 404 | Ecosystem management | 5 | 574 | 584 | 240 |
| 405 | economic policy | 26 | 572 | 818 | 641 |
| 406 | Structural dynamics | 22 | 571 | 338 | 433 |
| 407 | Orthopedics | 28 | 567 | 576 | 751 |
| 408 | Risk Management | 13 | 560 | 264 | 188 |
| 408 | Smoking | 7 | 560 | 575 | 347 |
| 408 | mutagens | 12 | 560 | 412 | 461 |
| 411 | Occupational Health | 15 | 559 | 473 | 308 |
| 411 | Probability | 12 | 559 | 254 | 178 |
| 411 | Socialization | 11 | 559 | 218 | 207 |
| 411 | Financial management | 12 | 559 | 194 | 184 |
| 415 | Microfabrication | 9 | 558 | 173 | 65 |
| 416 | environmental pollution | 24 | 557 | 1957 | 2632 |
| 417 | Microcirculation | 5 | 547 | 408 | 118 |
| 418 | Clinical Immunology | 23 | 544 | 470 | 576 |
| 419 | micromechanics | 9 | 543 | 302 | 152 |
| 420 | Digestive system diseases | 20 | 539 | 367 | 394 |
| 421 | disease vectors | 26 | 538 | 217 | 335 |
| 422 | Zoology | 20 | 533 | 1241 | 1010 |
| 422 | Criminal Law | 7 | 533 | 165 | 56 |
| 424 | Medical Technology | 34 | 529 | 329 | 619 |
| 424 | Immunotherapy | 12 | 529 | 1118 | 1229 |
| 424 | drug addiction | 15 | 529 | 560 | 606 |
| 427 | cardiac catheterization | 50 | 528 | 109 | 269 |
| 428 | Consciousness | 4 | 521 | 441 | 121 |
| 429 | Biosensors | 14 | 518 | 566 | 790 |
| 430 | Inflammation | 13 | 512 | 596 | 599 |
| 431 | Genes | 14 | 511 | 485 | 379 |
| 432 | Food | 16 | 509 | 1600 | 1586 |
| 433 | Gerontology | 46 | 507 | 444 | 731 |
| 434 | Educational Psychology | 16 | 504 | 634 | 579 |
| 435 | Social Networks | 12 | 502 | 58 | 80 |
| 436 | energy conservation | 8 | 501 | 1307 | 997 |
| 437 | Informatics | 11 | 495 | 405 | 336 |
| 438 | Lipids | 9 | 493 | 885 | 761 |
| 439 | Social behavior | 15 | 492 | 503 | 567 |
| 440 | Energy Policy | 10 | 491 | 1630 | 1581 |
| 440 | emergency management | 11 | 491 | 352 | 185 |
| 442 | Ocean Engineering | 7 | 489 | 1235 | 707 |
| 443 | Structuralism | 11 | 487 | 39 | 78 |
| 444 | Intellectual disability | 13 | 485 | 402 | 319 |
| 445 | General Surgery | 17 | 484 | 324 | 223 |
| 446 | Intelligence | 6 | 480 | 166 | 104 |
| 446 | Production Management | 14 | 480 | 485 | 668 |
| 446 | monitoring | 25 | 480 | 14 | 13 |
| 449 | Bioelectronics | 12 | 478 | 515 | 733 |
| 449 | role | 4 | 478 | 364 | 168 |
| 451 | Leukemia | 48 | 475 | 293 | 837 |
| 452 | Autoimmunity | 7 | 471 | 589 | 466 |
| 453 | Cosmology | 9 | 470 | 983 | 475 |
| 453 | Environmental Law | 9 | 470 | 665 | 819 |
| 455 | Telecommunication | 42 | 469 | 437 | 620 |
| 456 | nuclear astrophysics | 6 | 467 | 384 | 211 |
| 457 | Social Change | 6 | 461 | 708 | 500 |
| 458 | Paleoceanography | 11 | 457 | 84 | 149 |
| 458 | human development | 20 | 457 | 231 | 354 |
| 460 | Polymers | 21 | 456 | 2409 | 2434 |
| 461 | Systems Engineering | 5 | 455 | 1962 | 663 |
| 462 | Humanities | 15 | 453 | 681 | 220 |
| 463 | Embedded Systems | 10 | 449 | 63 | 28 |
| 463 | Plant cells | 5 | 449 | 1058 | 1101 |
| 465 | Women's health | 14 | 448 | 574 | 458 |
| 465 | Disease | 5 | 448 | 253 | 703 |
| 467 | Renewable Energy Sources | 7 | 446 | 2046 | 1985 |
| 468 | language | 16 | 444 | 275 | 320 |
| 469 | complementary therapies | 19 | 443 | 719 | 705 |
| 470 | Alternative Medicine | 18 | 442 | 702 | 680 |
| 471 | kidney | 9 | 440 | 29 | 31 |
| 472 | Energy Storage | 13 | 439 | 598 | 603 |
| 473 | Well-being | 1 | 438 | 338 | 17 |
| 474 | Database Management | 24 | 436 | 222 | 353 |
| 475 | Socioeconomic Factors | 8 | 434 | 442 | 264 |
| 476 | Portfolio Management | 10 | 431 | 137 | 59 |
| 477 | Investments | 10 | 429 | 211 | 82 |
| 478 | Functional Analysis | 18 | 426 | 541 | 411 |
| 479 | Thrombosis | 11 | 422 | 710 | 678 |
| 480 | Child welfare | 14 | 420 | 454 | 378 |
| 481 | Oxidative stress | 5 | 415 | 1038 | 715 |
| 482 | Laser therapy | 22 | 410 | 65 | 53 |
| 483 | Electrophoresis | 9 | 409 | 1145 | 795 |
| 484 | Molecular cloning | 11 | 405 | 847 | 736 |
| 484 | Aerosols | 15 | 405 | 235 | 241 |
| 486 | Databases | 19 | 402 | 113 | 155 |
| 486 | Food Microbiology | 9 | 402 | 793 | 821 |
| 486 | air quality management | 11 | 402 | 161 | 171 |
| 489 | Energy Harvesting | 9 | 399 | 244 | 389 |
| 490 | Plant diseases | 5 | 398 | 1865 | 949 |
| 491 | Engineering | 17 | 396 | 2262 | 1780 |
| 492 | Neurovirology | 14 | 394 | 76 | 92 |
| 493 | indoor air pollution | 9 | 392 | 155 | 150 |
| 493 | Ventilation | 9 | 392 | 235 | 184 |
| 493 | Sick building syndrome | 9 | 392 | 155 | 150 |
| 496 | correctional psychology | 2 | 391 | 306 | 90 |
| 496 | Health insurance | 11 | 391 | 203 | 240 |
| 498 | Forensic Psychiatry | 18 | 385 | 166 | 170 |
| 498 | Water pollution | 14 | 385 | 1508 | 1858 |
| 500 | International Relations | 14 | 384 | 558 | 333 |
| 501 | food technology | 8 | 381 | 1893 | 1487 |
| 501 | Neuroendocrinology | 4 | 381 | 114 | 125 |
| 503 | health behavior | 14 | 380 | 458 | 479 |
| 504 | Welfare Economics | 11 | 379 | 174 | 195 |
| 505 | Ceramics | 14 | 378 | 743 | 695 |
| 505 | Glass | 14 | 378 | 551 | 618 |
| 505 | pottery | 14 | 378 | 537 | 611 |
| 508 | Light | 13 | 372 | 474 | 909 |
| 509 | Speech | 10 | 370 | 503 | 471 |
| 510 | Nondestructive testing | 2 | 366 | 1024 | 202 |
| 510 | Personality Assessment | 5 | 366 | 479 | 344 |
| 512 | organization | 8 | 363 | 470 | 524 |
| 513 | Genetic Counseling | 10 | 355 | 134 | 93 |
| 514 | Audiology | 13 | 353 | 433 | 420 |
| 515 | data collection | 7 | 352 | 734 | 651 |
| 516 | Blood vessels | 3 | 351 | 455 | 126 |
| 517 | Communication | 17 | 349 | 862 | 840 |
| 517 | Information Science | 24 | 349 | 789 | 1355 |
| 519 | Quantum Chemistry | 8 | 337 | 587 | 268 |
| 519 | Microfluidics | 9 | 337 | 68 | 56 |
| 521 | Social policy | 14 | 335 | 426 | 321 |
| 522 | drug abuse | 13 | 332 | 282 | 270 |
| 523 | internet | 13 | 331 | 498 | 465 |
| 524 | Social problems | 11 | 330 | 254 | 309 |
| 525 | Robotics | 13 | 325 | 839 | 822 |
| 525 | Soil dynamics | 7 | 325 | 294 | 209 |
| 525 | Economic planning | 11 | 325 | 156 | 165 |
| 528 | Development | 3 | 324 | 957 | 520 |
| 529 | Signal Processing | 22 | 322 | 668 | 857 |
| 530 | children | 6 | 319 | 388 | 278 |
| 531 | Recombinant DNA | 11 | 316 | 911 | 945 |
| 532 | Neurolinguistics | 8 | 314 | 243 | 285 |
| 533 | Telemedicine | 7 | 313 | 218 | 147 |
| 534 | Manufacturing Processes | 7 | 311 | 1813 | 1312 |
| 534 | DNA methylation | 3 | 311 | 340 | 176 |
| 536 | Analytical Biochemistry | 13 | 309 | 874 | 1037 |
| 537 | Mental Health | 27 | 308 | 476 | 820 |
| 538 | Software Engineering | 20 | 307 | 289 | 355 |
| 539 | Structural Engineering | 9 | 305 | 1085 | 807 |
| 540 | Speech Disorders | 11 | 303 | 583 | 589 |
| 541 | Ecophysiology | 5 | 301 | 136 | 49 |
| 542 | race relations | 10 | 298 | 281 | 210 |
| 543 | nuclear magnetic resonance | 14 | 297 | 591 | 627 |
| 544 | health services | 14 | 296 | 474 | 531 |
| 545 | Architecture | 2 | 295 | 1010 | 130 |
| 545 | construction | 2 | 295 | 279 | 80 |
| 547 | Organometallic compounds | 10 | 293 | 748 | 663 |
| 547 | peptides | 5 | 293 | 816 | 300 |
| 549 | Agricultural Chemistry | 6 | 290 | 2079 | 1587 |
| 549 | Health Education | 25 | 290 | 659 | 1057 |
| 551 | Soil Science | 4 | 288 | 1930 | 1243 |
| 551 | Information Retrieval | 3 | 288 | 525 | 253 |
| 551 | Genetic recombination | 10 | 288 | 877 | 926 |
| 554 | Toxins | 6 | 286 | 747 | 439 |
| 555 | Magnetic Resonance Spectroscopy | 12 | 285 | 726 | 669 |
| 555 | venom | 5 | 285 | 756 | 394 |
| 557 | Geriatric Oncology | 7 | 283 | 397 | 391 |
| 557 | Shock Waves | 2 | 283 | 286 | 48 |
| 559 | Internet of Things | 10 | 281 | 314 | 244 |
| 560 | Photochemistry | 10 | 280 | 1115 | 1080 |
| 561 | Corporate governance | 10 | 278 | 182 | 241 |
| 562 | Nursing | 33 | 277 | 445 | 769 |
| 562 | Knowledge | 14 | 277 | 175 | 151 |
| 564 | peace | 5 | 275 | 384 | 259 |
| 565 | Endocrine glands | 4 | 274 | 237 | 345 |
| 565 | Thorax | 5 | 274 | 449 | 388 |
| 567 | Intelligent Transportation Systems | 8 | 273 | 403 | 308 |
| 567 | Semantics | 3 | 273 | 248 | 60 |
| 569 | Forensic Psychology | 16 | 269 | 103 | 136 |
| 569 | Sports | 20 | 269 | 900 | 1127 |
| 569 | Cardiovascular diseases | 11 | 269 | 1051 | 1044 |
| 569 | warfare | 4 | 269 | 265 | 195 |
| 573 | Industrial Safety | 6 | 268 | 928 | 556 |
| 574 | Lipid metabolism | 4 | 266 | 385 | 314 |
| 574 | Lipid | 4 | 266 | 385 | 315 |
| 576 | energy development | 3 | 264 | 989 | 635 |
| 577 | Psychosomatic Medicine | 11 | 262 | 476 | 678 |
| 577 | Artificial Organs | 14 | 262 | 309 | 305 |
| 579 | Birds | 6 | 260 | 1060 | 590 |
| 580 | Nutrition physiology | 4 | 259 | 789 | 525 |
| 580 | Nutritional support | 3 | 259 | 195 | 130 |
| 582 | War and Society | 3 | 258 | 223 | 158 |
| 582 | international cooperation | 3 | 258 | 689 | 329 |
| 584 | Fluorescence spectroscopy | 3 | 257 | 326 | 109 |
| 584 | Molecular Spectroscopy | 3 | 257 | 2138 | 1034 |
| 586 | Regional Development | 8 | 256 | 129 | 139 |
| 586 | Development planning | 8 | 256 | 102 | 127 |
| 588 | Depression | 4 | 252 | 340 | 402 |
| 588 | Anxiety Disorders | 4 | 252 | 526 | 548 |
| 588 | Anxiety | 4 | 252 | 527 | 547 |
| 591 | Heart Failure | 3 | 250 | 551 | 398 |
| 591 | Entomology | 20 | 250 | 1104 | 1292 |
| 593 | healthcare disparities | 16 | 248 | 156 | 227 |
| 594 | Language Disorders | 11 | 244 | 455 | 466 |
| 594 | actuators | 5 | 244 | 2065 | 1724 |
| 594 | transducers | 5 | 244 | 2065 | 1724 |
| 597 | Mitochondria | 16 | 243 | 49 | 172 |
| 598 | Culture techniques | 8 | 241 | 173 | 160 |
| 599 | families | 15 | 240 | 325 | 391 |
| 600 | Health Services Administration | 11 | 237 | 552 | 686 |
| 601 | Bacterial infections | 11 | 236 | 446 | 967 |
| 602 | Virtual reality | 7 | 235 | 173 | 156 |
| 603 | Stress | 10 | 234 | 71 | 117 |
| 604 | Genetic epidemiology | 10 | 233 | 147 | 208 |
| 604 | Restoration Ecology | 7 | 233 | 270 | 266 |
| 604 | heredity | 10 | 233 | 347 | 389 |
| 604 | Steroids | 10 | 233 | 615 | 742 |
| 608 | Comparative Physiology | 11 | 232 | 466 | 563 |
| 609 | planning | 8 | 229 | 385 | 272 |
| 610 | Geometry | 22 | 226 | 436 | 407 |
| 610 | Biopharmaceutics | 3 | 226 | 1571 | 910 |
| 612 | diseases | 2 | 225 | 563 | 889 |
| 613 | Pharmacy | 6 | 223 | 1879 | 1610 |
| 613 | Environmental Management | 12 | 223 | 1682 | 2691 |
| 613 | color | 11 | 223 | 89 | 90 |
| 616 | Antibodies | 11 | 222 | 370 | 518 |
| 616 | Antigens | 11 | 222 | 528 | 699 |
| 618 | polymerization | 8 | 220 | 3083 | 2791 |
| 618 | plant communities | 7 | 220 | 811 | 1038 |
| 620 | Strategic planning | 6 | 219 | 519 | 449 |
| 620 | drugs | 10 | 219 | 1499 | 1695 |
| 622 | Seismology | 9 | 218 | 335 | 345 |
| 622 | Regional Economics | 2 | 218 | 650 | 218 |
| 622 | Regionalism | 2 | 218 | 318 | 73 |
| 625 | Writing | 8 | 216 | 116 | 137 |
| 625 | sexual behavior | 15 | 216 | 223 | 460 |
| 627 | Chemical analysis | 5 | 215 | 1132 | 839 |
| 628 | Retina | 2 | 214 | 256 | 363 |
| 628 | Nuclear Medicine | 14 | 214 | 581 | 855 |
| 628 | Melanoma | 8 | 214 | 86 | 161 |
| 628 | eye | 2 | 214 | 311 | 367 |
| 632 | Maternal health services | 3 | 213 | 501 | 256 |
| 632 | Social support | 4 | 213 | 150 | 77 |
| 632 | Social environment | 4 | 213 | 181 | 87 |
| 635 | Labor Economics | 5 | 211 | 392 | 317 |
| 635 | Hemophilia | 6 | 211 | 423 | 309 |
| 635 | Personality Disorders | 3 | 211 | 321 | 227 |
| 635 | older people | 40 | 211 | 386 | 826 |
| 639 | Distance Education | 1 | 210 | 1048 | 187 |
| 639 | Endocrine system | 26 | 210 | 207 | 126 |
| 641 | Fluid Dynamics | 5 | 209 | 1067 | 737 |
| 642 | Pediatric Dermatology | 12 | 208 | 193 | 208 |
| 642 | visualization | 25 | 208 | 477 | 496 |
| 642 | Longevity | 5 | 208 | 101 | 108 |
| 642 | population trends | 4 | 208 | 59 | 117 |
| 642 | rejuvenation | 5 | 208 | 65 | 87 |
| 642 | Demographic research | 4 | 208 | 114 | 157 |
| 648 | Diet | 13 | 207 | 1252 | 2178 |
| 649 | Social Choice Theory | 6 | 206 | 140 | 62 |
| 650 | Autoantibodies | 4 | 205 | 635 | 558 |
| 650 | Autoimmune diseases | 4 | 205 | 682 | 595 |
| 652 | Evolutionary Genetics | 8 | 203 | 338 | 433 |
| 652 | Molecular Epidemiology | 8 | 203 | 338 | 433 |
| 652 | Bipolar Disorder | 5 | 203 | 331 | 366 |
| 655 | Family | 12 | 202 | 480 | 600 |
| 656 | Evidence-Based Medicine | 9 | 201 | 749 | 745 |
| 656 | Water quality management | 11 | 201 | 1017 | 1125 |
| 658 | lasers | 9 | 199 | 1267 | 958 |
| 659 | Solid State Chemistry | 15 | 198 | 1398 | 1720 |
| 659 | gene therapy | 8 | 198 | 852 | 1240 |
| 661 | Radioisotopes | 14 | 197 | 572 | 625 |
| 661 | Spine | 5 | 197 | 700 | 734 |
| 663 | Radiography | 16 | 195 | 288 | 565 |
| 663 | Long-Term Care | 7 | 195 | 386 | 526 |
| 663 | Long-term care facilities | 7 | 195 | 383 | 525 |
| 663 | biological monitoring | 6 | 195 | 342 | 339 |
| 667 | Group decision making | 5 | 194 | 366 | 283 |
| 668 | cytokines | 8 | 190 | 910 | 1255 |
| 669 | North America | 12 | 189 | 418 | 506 |
| 670 | Special Education | 5 | 187 | 685 | 384 |
| 671 | Cybernetics | 10 | 185 | 754 | 923 |
| 671 | Ornithology | 2 | 185 | 1415 | 592 |
| 673 | Public Choice | 4 | 184 | 317 | 233 |
| 674 | Sustainable Engineering | 12 | 182 | 839 | 1452 |
| 674 | scientific societies | 8 | 182 | 522 | 636 |
| 676 | Electrical Engineering | 34 | 181 | 1226 | 1677 |
| 676 | Trace elements | 5 | 181 | 169 | 214 |
| 676 | Aquatic ecology | 7 | 181 | 724 | 713 |
| 679 | vascular diseases | 10 | 179 | 442 | 825 |
| 679 | vitamin C | 1 | 179 | 938 | 390 |
| 679 | vitamin E | 1 | 179 | 938 | 390 |
| 682 | Composite Materials | 8 | 178 | 2002 | 2461 |
| 683 | Green Chemistry | 10 | 177 | 1071 | 1794 |
| 683 | Research Design | 11 | 177 | 667 | 1059 |
| 683 | Bioinorganic chemistry | 13 | 177 | 778 | 1125 |
| 686 | Insects | 10 | 176 | 948 | 1036 |
| 687 | Chemical Oceanography | 8 | 175 | 192 | 355 |
| 687 | industrial hygiene | 13 | 175 | 491 | 517 |
| 687 | family studies | 1 | 175 | 78 | 34 |
| 687 | Parenting | 1 | 175 | 115 | 38 |
| 687 | Child rearing | 1 | 175 | 115 | 38 |
| 687 | Social interaction | 8 | 175 | 160 | 206 |
| 693 | immigration | 3 | 174 | 217 | 142 |
| 693 | migration policy | 3 | 174 | 233 | 149 |
| 693 | Asylum seeker | 3 | 174 | 189 | 141 |
| 696 | Industrial Microbiology | 5 | 173 | 1828 | 1992 |
| 696 | Ecohydrology | 6 | 173 | 227 | 201 |
| 698 | Fluid Mechanics | 10 | 172 | 1111 | 1228 |
| 699 | Freshwater invertebrates | 1 | 171 | 453 | 208 |
| 699 | blood transfusion | 20 | 171 | 296 | 606 |
| 701 | Genetic disorders | 7 | 170 | 400 | 489 |
| 701 | energy resources | 2 | 170 | 1895 | 1688 |
| 703 | psychopathology | 5 | 169 | 290 | 326 |
| 704 | Emergency Medical Services | 6 | 168 | 646 | 476 |
| 704 | Entrepreneurship | 4 | 168 | 974 | 944 |
| 704 | biochemical markers | 5 | 168 | 735 | 511 |
| 704 | extraterrestrial environment | 4 | 168 | 628 | 332 |
| 708 | mycoses | 5 | 167 | 802 | 1115 |
| 708 | Environmental pollutants | 7 | 167 | 1832 | 2187 |
| 710 | Logic | 9 | 165 | 248 | 187 |
| 710 | Growth factors | 4 | 165 | 244 | 410 |
| 712 | vitamins | 2 | 163 | 213 | 133 |
| 713 | Mechanical Engineering | 7 | 161 | 2046 | 1478 |
| 713 | Political Psychology | 6 | 161 | 228 | 298 |
| 715 | Control Theory | 12 | 160 | 943 | 1052 |
| 715 | marketing | 8 | 160 | 1306 | 1529 |
| 715 | probabilities | 12 | 160 | 731 | 691 |
| 718 | Engineering Mathematics | 8 | 159 | 1864 | 1437 |
| 718 | Environmental Psychology | 3 | 159 | 365 | 399 |
| 720 | pain management | 7 | 158 | 469 | 554 |
| 720 | astronomical phenomena | 2 | 158 | 866 | 320 |
| 722 | Mechanics | 7 | 156 | 979 | 785 |
| 723 | bioclimatology | 1 | 155 | 1945 | 706 |
| 724 | Mineralogy | 5 | 154 | 1258 | 1113 |
| 724 | Magnetic Materials | 9 | 154 | 1001 | 1253 |
| 726 | Drug delivery systems | 2 | 152 | 2242 | 1636 |
| 726 | transport vesicles | 4 | 152 | 194 | 552 |
| 726 | violence | 2 | 152 | 1393 | 800 |
| 726 | Aggression | 2 | 152 | 671 | 449 |
| 730 | Geriatric Psychiatry | 7 | 151 | 849 | 1075 |
| 731 | Cannabis | 9 | 150 | 14 | 54 |
| 731 | cannabinoids | 9 | 150 | 12 | 53 |
| 733 | Ion channels | 2 | 147 | 138 | 45 |
| 733 | psychotherapy | 7 | 147 | 1041 | 1255 |
| 735 | Cosmochemistry | 9 | 146 | 569 | 899 |
| 735 | Chromosomes | 3 | 146 | 1249 | 1083 |
| 737 | Orthopedic Surgery | 10 | 145 | 516 | 798 |
| 737 | Electromagnetism | 9 | 145 | 422 | 431 |
| 737 | X-rays | 3 | 145 | 884 | 419 |
| 740 | Pediatric Endocrinology | 5 | 143 | 289 | 134 |
| 740 | Metabolic disorders in children | 5 | 143 | 228 | 100 |
| 742 | Public Administration | 8 | 142 | 966 | 881 |
| 743 | Palliative Care | 6 | 140 | 793 | 720 |
| 743 | Educational Sociology | 2 | 140 | 507 | 189 |
| 743 | hospice care | 6 | 140 | 443 | 359 |
| 743 | consumer behavior | 4 | 140 | 472 | 491 |
| 743 | Pituitary gland | 2 | 140 | 338 | 205 |
| 743 | women | 8 | 140 | 478 | 361 |
| 743 | Agriculture | 8 | 140 | 1710 | 2100 |
| 750 | System analysis | 11 | 139 | 1487 | 1936 |
| 750 | health planning | 11 | 139 | 1223 | 1769 |
| 752 | International Finance | 4 | 137 | 1577 | 1321 |
| 752 | Criminal investigation | 2 | 137 | 303 | 93 |
| 754 | analysis | 6 | 136 | 266 | 339 |
| 754 | Medical innovations | 5 | 136 | 999 | 1941 |
| 754 | Elections | 5 | 136 | 263 | 205 |
| 754 | liver | 3 | 136 | 395 | 243 |
| 758 | Information Systems | 7 | 135 | 1041 | 1270 |
| 759 | Fixed Point Theory | 6 | 134 | 174 | 90 |
| 759 | cell membrane | 6 | 134 | 489 | 687 |
| 761 | Australia | 14 | 133 | 938 | 1468 |
| 761 | mathematical concepts | 4 | 133 | 357 | 179 |
| 763 | Teratology | 6 | 132 | 252 | 363 |
| 763 | Algebra | 7 | 132 | 1191 | 736 |
| 765 | embryonic development | 1 | 131 | 926 | 435 |
| 766 | Suicide | 6 | 130 | 403 | 482 |
| 767 | Ergonomics | 3 | 129 | 1295 | 805 |
| 767 | Morphology | 5 | 129 | 743 | 608 |
| 767 | Radiotherapy | 5 | 129 | 408 | 225 |
| 767 | cell interaction | 5 | 129 | 1118 | 1407 |
| 771 | Development Economics | 5 | 128 | 343 | 387 |
| 772 | Climate Change Mitigation | 1 | 127 | 116 | 115 |
| 772 | Immunochemistry | 10 | 127 | 594 | 984 |
| 772 | Global warming | 1 | 127 | 354 | 122 |
| 772 | behavior therapy | 7 | 127 | 619 | 829 |
| 772 | sea level | 1 | 127 | 116 | 115 |
| 777 | Differential Equations | 5 | 126 | 844 | 632 |
| 778 | Behavioral Genetics | 4 | 125 | 240 | 320 |
| 778 | Small Business | 2 | 125 | 1016 | 972 |
| 780 | evaluation | 1 | 124 | 411 | 73 |
| 781 | Human Geography | 8 | 123 | 716 | 840 |
| 781 | Histochemistry | 4 | 123 | 1165 | 1034 |
| 783 | Emotions | 4 | 122 | 577 | 700 |
| 784 | Amyotrophic Lateral Sclerosis | 4 | 121 | 253 | 293 |
| 784 | Cytokine | 4 | 121 | 400 | 603 |
| 786 | Diagnosis | 5 | 120 | 534 | 470 |
| 786 | Atherosclerosis | 3 | 120 | 225 | 194 |
| 786 | Breeding | 5 | 120 | 1109 | 1242 |
| 789 | Educational Technology | 13 | 119 | 678 | 1251 |
| 789 | Immunogenetics | 3 | 119 | 964 | 796 |
| 789 | Crystallography | 10 | 119 | 1140 | 1016 |
| 792 | Lymphoma | 40 | 118 | 121 | 266 |
| 792 | Multiple Myeloma | 40 | 118 | 120 | 245 |
| 792 | Europa | 1 | 118 | 1034 | 456 |
| 792 | aerosol | 7 | 118 | 290 | 379 |
| 796 | Metallography | 5 | 117 | 670 | 740 |
| 797 | preimplantation genetic diagnosis | 4 | 116 | 491 | 417 |
| 797 | embryo transfer | 4 | 116 | 515 | 440 |
| 797 | concrete | 4 | 116 | 988 | 1211 |
| 800 | Functional foods | 4 | 115 | 355 | 363 |
| 800 | Phytotherapy | 4 | 115 | 884 | 887 |
| 802 | Program Evaluation | 1 | 114 | 230 | 75 |
| 802 | Cytoskeleton | 8 | 114 | 146 | 319 |
| 804 | Neurosurgery | 7 | 113 | 979 | 1368 |
| 804 | Neuroimaging | 7 | 113 | 174 | 234 |
| 804 | Thin Films | 1 | 113 | 1254 | 388 |
| 804 | Raman spectroscopy | 7 | 113 | 543 | 792 |
| 804 | Respiratory system | 3 | 113 | 787 | 748 |
| 804 | optical instruments | 7 | 113 | 296 | 404 |
| 804 | optical phenomena | 7 | 113 | 44 | 98 |
| 804 | child behavior | 8 | 113 | 225 | 482 |
| 812 | Bones | 3 | 112 | 1211 | 1237 |
| 813 | Pediatric Hematology | 5 | 111 | 379 | 217 |
| 814 | Microeconomics | 6 | 110 | 218 | 324 |
| 814 | Learning disabilities | 9 | 110 | 488 | 707 |
| 814 | biological factors | 4 | 110 | 2051 | 2022 |
| 814 | China | 8 | 110 | 2127 | 2736 |
| 818 | Soft Condensed Matter | 6 | 109 | 899 | 1145 |
| 819 | Contraception | 6 | 108 | 451 | 676 |
| 819 | drug development | 4 | 108 | 1152 | 1964 |
| 821 | Economic Thought | 2 | 106 | 434 | 452 |
| 821 | Radio wave propagation | 8 | 106 | 498 | 567 |
| 821 | Forest Management | 3 | 106 | 1216 | 1195 |
| 821 | economic conditions | 2 | 106 | 934 | 558 |
| 821 | disease susceptibility | 2 | 106 | 570 | 323 |
| 821 | Brain damage | 1 | 106 | 984 | 504 |
| 821 | symptoms | 2 | 106 | 570 | 323 |
| 828 | Detectors | 9 | 105 | 466 | 530 |
| 829 | Government policy | 3 | 104 | 184 | 212 |
| 829 | Microorganisms | 2 | 104 | 1799 | 1835 |
| 829 | Culture | 9 | 104 | 612 | 625 |
| 832 | Game Theory | 6 | 103 | 435 | 442 |
| 832 | Agricultural Ecology | 3 | 103 | 1376 | 1569 |
| 834 | X-ray crystallography | 6 | 102 | 511 | 497 |
| 835 | Bioenergetics | 3 | 101 | 1057 | 1063 |
| 835 | Immunopharmacology | 5 | 101 | 938 | 1240 |
| 835 | Energy metabolism | 3 | 101 | 768 | 793 |
| 835 | Quantitative Research | 4 | 101 | 189 | 269 |
| 835 | biomedicine | 2 | 101 | 1464 | 993 |
| 840 | Cell division | 6 | 100 | 384 | 706 |
| 840 | elder abuse | 5 | 100 | 244 | 348 |
| 840 | Reproductive toxicology | 8 | 100 | 281 | 587 |
| 840 | Mortgages | 3 | 100 | 200 | 196 |
| 840 | Prisons | 7 | 100 | 186 | 187 |
| 845 | Power Electronics | 5 | 99 | 550 | 547 |
| 845 | School Psychology | 3 | 99 | 516 | 475 |
| 845 | Carbon | 3 | 99 | 1604 | 1856 |
| 848 | Clinical Trials | 7 | 98 | 389 | 600 |
| 848 | Ethnic relations | 5 | 98 | 459 | 346 |
| 848 | Ultrasonics | 20 | 98 | 289 | 1402 |
| 848 | biopolymers | 6 | 98 | 1003 | 1340 |
| 852 | Surface properties | 4 | 97 | 1142 | 1599 |
| 853 | Functional Genomics | 2 | 96 | 461 | 541 |
| 853 | Hemodynamics | 4 | 96 | 704 | 1062 |
| 853 | speech therapy | 3 | 96 | 458 | 364 |
| 856 | Conservation Biology | 4 | 95 | 1216 | 1509 |
| 856 | Tourism | 1 | 95 | 2766 | 1760 |
| 858 | Asthma | 9 | 94 | 392 | 738 |
| 858 | Quality Control | 1 | 94 | 3606 | 2018 |
| 858 | Mental Health Services | 10 | 94 | 789 | 1383 |
| 858 | Water Microbiology | 1 | 94 | 1106 | 558 |
| 858 | Elderly | 34 | 94 | 345 | 832 |
| 858 | sports injuries | 5 | 94 | 472 | 467 |
| 864 | Clinical Pharmacology | 4 | 93 | 1698 | 1800 |
| 864 | Digital electronics | 10 | 93 | 111 | 148 |
| 864 | Symbolic interactionism | 2 | 93 | 154 | 85 |
| 864 | Land use | 2 | 93 | 1629 | 1393 |
| 864 | soil conservation | 2 | 93 | 1166 | 906 |
| 864 | land degradation | 2 | 93 | 741 | 614 |
| 864 | coal | 4 | 93 | 1593 | 2082 |
| 864 | degradation | 2 | 93 | 741 | 614 |
| 872 | Early Childhood Education | 5 | 92 | 471 | 438 |
| 872 | Erectile dysfunction | 13 | 92 | 66 | 271 |
| 872 | Molecular Imaging | 6 | 92 | 624 | 1011 |
| 872 | Industrial Policy | 4 | 92 | 473 | 519 |
| 876 | Glaciology | 3 | 91 | 250 | 243 |
| 876 | glaciers | 3 | 91 | 230 | 238 |
| 876 | child abuse | 6 | 91 | 648 | 1106 |
| 876 | Zoonoses | 2 | 91 | 483 | 411 |
| 880 | Language Acquisition | 3 | 90 | 456 | 429 |
| 880 | Public opinion | 4 | 90 | 383 | 477 |
| 880 | Solar System | 1 | 90 | 1395 | 977 |
| 883 | Restorative justice | 4 | 89 | 117 | 77 |
| 883 | Geomagnetism | 2 | 89 | 966 | 718 |
| 883 | Quantum Optics | 6 | 89 | 734 | 853 |
| 883 | motivation | 3 | 89 | 366 | 382 |
| 883 | international trade | 4 | 89 | 684 | 641 |
| 883 | Atomic spectroscopy | 6 | 89 | 980 | 1175 |
| 883 | Soviet Union | 3 | 89 | 855 | 334 |
| 883 | Laser Spectroscopy | 6 | 89 | 683 | 795 |
| 891 | Telecommunication Systems | 6 | 88 | 1299 | 1357 |
| 891 | Public Health Administration | 4 | 88 | 395 | 298 |
| 891 | Semiconductors | 6 | 88 | 1752 | 1890 |
| 894 | Topology | 4 | 87 | 321 | 208 |
| 894 | Ion Exchange | 8 | 87 | 72 | 117 |
| 894 | Disease management | 2 | 87 | 198 | 85 |
| 894 | Social Issues | 5 | 87 | 175 | 300 |
| 894 | Biofilms | 1 | 87 | 383 | 246 |
| 894 | Solvent extraction | 8 | 87 | 72 | 117 |
| 894 | school psychologists | 2 | 87 | 280 | 270 |
| 901 | Dietetics | 3 | 84 | 988 | 773 |
| 901 | Political Parties | 3 | 84 | 226 | 192 |
| 903 | Nanoelectronics | 1 | 83 | 1634 | 711 |
| 903 | Electronic Packaging | 3 | 83 | 199 | 142 |
| 903 | Emotion | 2 | 83 | 284 | 313 |
| 903 | Semiconductor industry | 1 | 83 | 1278 | 564 |
| 903 | Phylogeny | 3 | 83 | 1071 | 1344 |
| 908 | Urban Policy | 3 | 82 | 885 | 989 |
| 908 | California | 5 | 82 | 393 | 429 |
| 910 | Computer Engineering | 13 | 81 | 206 | 691 |
| 910 | Bilingualism | 2 | 81 | 276 | 252 |
| 910 | counseling | 16 | 81 | 584 | 1525 |
| 910 | Convergence | 2 | 81 | 70 | 105 |
| 914 | Calculus of Variations | 8 | 80 | 299 | 379 |
| 914 | Randomized Controlled Trials | 3 | 80 | 1565 | 1258 |
| 914 | school environment | 1 | 80 | 223 | 108 |
| 917 | Political Sociology | 7 | 79 | 277 | 432 |
| 917 | Multivariate Analysis | 4 | 79 | 466 | 502 |
| 917 | Liposomes | 4 | 79 | 512 | 694 |
| 917 | Lipid bilayers | 4 | 79 | 436 | 568 |
| 917 | disaster relief | 1 | 79 | 560 | 257 |
| 922 | Cryptography | 1 | 78 | 1297 | 448 |
| 922 | Neurotransmitters | 11 | 78 | 280 | 593 |
| 922 | Environmental risk assessment | 5 | 78 | 294 | 488 |
| 922 | environmental control | 5 | 78 | 159 | 330 |
| 922 | Cement | 1 | 78 | 1130 | 993 |
| 927 | Forest Ecology | 2 | 77 | 1488 | 1447 |
| 927 | Molecules | 3 | 77 | 1809 | 1487 |
| 929 | Nonlinear functional analysis | 7 | 75 | 822 | 1103 |
| 929 | Food additives | 1 | 75 | 2329 | 1698 |
| 931 | Organizational Behavior | 6 | 74 | 421 | 791 |
| 931 | Ethnic Conflict | 2 | 74 | 351 | 275 |
| 931 | Dyslexia | 3 | 74 | 148 | 206 |
| 931 | labor | 2 | 74 | 527 | 309 |
| 931 | forced migration | 2 | 74 | 351 | 275 |
| 936 | Applied Mathematics | 4 | 73 | 967 | 386 |
| 937 | Crisis management | 2 | 72 | 260 | 161 |
| 937 | Hallucinogens | 1 | 72 | 436 | 255 |
| 939 | Acoustics | 19 | 71 | 45 | 92 |
| 939 | Archives | 3 | 71 | 123 | 37 |
| 941 | Acoustic holography | 18 | 70 | 11 | 17 |
| 941 | Holography | 18 | 70 | 11 | 17 |
| 941 | Acoustic imaging | 18 | 70 | 11 | 17 |
| 941 | Ultrasonic Imaging | 18 | 70 | 116 | 684 |
| 941 | Quality of life | 6 | 70 | 1258 | 2313 |
| 941 | language therapy | 1 | 70 | 291 | 170 |
| 947 | mass transfer | 3 | 69 | 1898 | 2068 |
| 947 | educational innovations | 8 | 69 | 262 | 553 |
| 947 | Capital asset pricing model | 1 | 69 | 144 | 68 |
| 950 | Electrophysiology | 14 | 68 | 576 | 1386 |
| 950 | rare diseases | 6 | 68 | 548 | 1032 |
| 950 | Chronic diseases | 2 | 68 | 1087 | 1192 |
| 953 | Neonatology | 2 | 67 | 1046 | 889 |
| 953 | working class | 1 | 67 | 467 | 301 |
| 955 | Radiologic Technology | 1 | 66 | 407 | 112 |
| 955 | Interventional Radiology | 1 | 66 | 407 | 112 |
| 955 | Exercise therapy | 3 | 66 | 462 | 395 |
| 955 | Interventional Radiography | 1 | 66 | 407 | 112 |
| 955 | Endoscopic Surgery | 1 | 66 | 407 | 112 |
| 955 | Classification | 2 | 66 | 417 | 301 |
| 961 | Coastal zone management | 2 | 65 | 1015 | 959 |
| 961 | Surface-Active Agents | 2 | 65 | 1580 | 1806 |
| 961 | Politics | 6 | 65 | 514 | 484 |
| 961 | Marine resources | 2 | 65 | 1037 | 967 |
| 961 | cilia | 1 | 65 | 57 | 57 |
| 961 | Quantum theory | 3 | 65 | 1068 | 1020 |
| 967 | Geomorphology | 2 | 64 | 1865 | 1951 |
| 967 | Psychiatric Nursing | 8 | 64 | 393 | 768 |
| 967 | Economic Assistance | 2 | 64 | 1056 | 1165 |
| 970 | Environmental Sociology | 2 | 63 | 53 | 35 |
| 970 | Multiphase Flow | 4 | 63 | 337 | 542 |
| 970 | anesthesia | 8 | 63 | 354 | 505 |
| 970 | Menopause | 2 | 63 | 497 | 457 |
| 974 | Higher Education | 1 | 62 | 1126 | 603 |
| 974 | mental processes | 3 | 62 | 399 | 401 |
| 976 | Nuclear Chemistry | 6 | 61 | 952 | 1084 |
| 976 | occupational health and safety | 6 | 61 | 168 | 263 |
| 976 | Political Participation | 2 | 61 | 452 | 375 |
| 976 | Eastern Europe | 2 | 61 | 1487 | 671 |
| 976 | Eurasia | 2 | 61 | 332 | 234 |
| 976 | Japan | 6 | 61 | 1850 | 2292 |
| 976 | Central Asia | 2 | 61 | 338 | 201 |
| 983 | Health Services Research | 5 | 60 | 1710 | 2451 |
| 983 | Human Rights | 5 | 60 | 469 | 575 |
| 983 | genre | 2 | 60 | 331 | 177 |
| 983 | Integrated Circuits | 2 | 60 | 1133 | 431 |
| 983 | exobiology | 2 | 60 | 516 | 600 |
| 983 | eugenics | 6 | 60 | 447 | 868 |
| 989 | Biomass Energy | 2 | 59 | 3418 | 3685 |
| 989 | Histocompatibility Testing | 2 | 59 | 979 | 802 |
| 989 | machinery | 1 | 59 | 1543 | 910 |
| 989 | men | 3 | 59 | 326 | 374 |
| 989 | atmosphere | 3 | 59 | 986 | 1238 |
| 994 | Structural optimization | 1 | 58 | 721 | 483 |
| 994 | health services accessibility | 6 | 58 | 751 | 1329 |
| 994 | biofuels | 1 | 58 | 636 | 794 |
| 994 | Computational Intelligence | 2 | 58 | 1454 | 996 |
| 994 | Library Science | 18 | 58 | 413 | 904 |
| 994 | drug toxicity | 4 | 58 | 387 | 796 |
| 1000 | Vocational Education | 3 | 57 | 600 | 570 |