| 1 | Physics | 1,160 | 64.4K | 364 | 402 |
| 2 | Science | 636 | 53.4K | 440 | 403 |
| 3 | Nuclear Physics | 1,135 | 52.3K | 178 | 152 |
| 4 | Chemistry | 1,188 | 51.6K | 335 | 388 |
| 5 | Biology | 605 | 46.0K | 434 | 448 |
| 6 | Biotechnology | 649 | 40.4K | 115 | 105 |
| 7 | Molecular Biology | 511 | 32.4K | 474 | 382 |
| 8 | Ecology | 419 | 29.5K | 349 | 289 |
| 9 | Natural history | 77 | 24.8K | 491 | 387 |
| 10 | Botany | 276 | 24.6K | 272 | 136 |
| 11 | Medicine | 478 | 23.7K | 578 | 496 |
| 12 | Biochemistry | 747 | 23.2K | 507 | 554 |
| 13 | Microbiology | 464 | 22.4K | 335 | 369 |
| 14 | Bioengineering | 429 | 21.5K | 96 | 150 |
| 15 | Quantum Gravity | 378 | 19.9K | 158 | 135 |
| 16 | Mathematics | 1,163 | 18.7K | 75 | 76 |
| 17 | Biomedical Engineering | 363 | 18.7K | 166 | 110 |
| 18 | Research | 522 | 17.8K | 439 | 432 |
| 19 | Technology | 390 | 17.7K | 90 | 47 |
| 20 | Public Health | 702 | 16.6K | 118 | 217 |
| 21 | Psychology | 364 | 16.5K | 263 | 211 |
| 22 | Plants | 89 | 15.7K | 200 | 55 |
| 23 | Information Theory | 103 | 14.9K | 86 | 28 |
| 24 | Evolution | 72 | 14.9K | 274 | 83 |
| 25 | Telecommunication | 70 | 14.1K | 385 | 96 |
| 26 | Genetic engineering | 67 | 14.0K | 209 | 17 |
| 27 | Plant cells | 90 | 13.7K | 118 | 93 |
| 28 | Biochemical Engineering | 76 | 12.9K | 534 | 212 |
| 29 | Animal Behavior | 264 | 12.5K | 79 | 93 |
| 30 | plant molecular biology | 110 | 12.2K | 113 | 86 |
| 31 | Cell Biology | 101 | 11.5K | 566 | 410 |
| 32 | Neurology | 256 | 11.4K | 504 | 522 |
| 33 | Astronomy | 150 | 10.7K | 465 | 397 |
| 34 | Oncology | 7 | 10.6K | 1143 | 163 |
| 35 | Epidemiology | 370 | 10.5K | 105 | 168 |
| 36 | Sociology | 408 | 10.2K | 53 | 125 |
| 37 | Computational Biology | 178 | 8.9K | 109 | 138 |
| 38 | personality | 135 | 8.8K | 86 | 93 |
| 39 | Statistical physics | 267 | 8.7K | 301 | 266 |
| 40 | Ethology | 165 | 8.6K | 86 | 111 |
| 41 | Psychophysiology | 205 | 8.5K | 249 | 260 |
| 42 | Bioinformatics | 180 | 8.5K | 65 | 114 |
| 43 | Astrophysics | 134 | 8.4K | 559 | 562 |
| 44 | nucleic acids | 47 | 8.1K | 346 | 174 |
| 45 | Neurophysiology | 183 | 7.0K | 243 | 329 |
| 46 | Microbial Ecology | 99 | 6.8K | 224 | 239 |
| 47 | Combustion | 113 | 6.7K | 97 | 53 |
| 48 | Social Psychology | 171 | 6.7K | 153 | 207 |
| 49 | Biophysics | 167 | 6.7K | 723 | 622 |
| 50 | Neuropsychology | 173 | 6.6K | 129 | 141 |
| 51 | Environment | 105 | 6.6K | 684 | 686 |
| 52 | Genetics | 130 | 6.6K | 373 | 436 |
| 53 | genome | 72 | 6.4K | 143 | 156 |
| 54 | Cytology | 97 | 6.3K | 647 | 587 |
| 55 | Genomics | 142 | 6.2K | 220 | 201 |
| 56 | Plant physiology | 101 | 6.0K | 213 | 181 |
| 57 | Industrial Microbiology | 109 | 5.8K | 74 | 60 |
| 58 | Economics | 284 | 5.8K | 268 | 328 |
| 59 | Medical Laboratory Science | 89 | 5.6K | 160 | 128 |
| 60 | Condensed Matter | 197 | 5.5K | 457 | 500 |
| 61 | Nanotechnology | 115 | 5.4K | 772 | 731 |
| 62 | Molecular cloning | 36 | 5.2K | 215 | 23 |
| 62 | Genetic recombination | 36 | 5.2K | 206 | 22 |
| 62 | Recombinant DNA | 36 | 5.2K | 241 | 23 |
| 65 | gene mapping | 105 | 5.1K | 108 | 144 |
| 66 | Mathematical Physics | 350 | 5.1K | 84 | 232 |
| 67 | Chromosome mapping | 101 | 5.1K | 90 | 91 |
| 68 | Nervous system | 119 | 5.0K | 221 | 258 |
| 69 | Behavior | 118 | 5.0K | 352 | 401 |
| 70 | Molecular Genetics | 80 | 4.9K | 196 | 181 |
| 71 | Artificial Intelligence | 165 | 4.7K | 234 | 327 |
| 72 | Solid State Physics | 175 | 4.7K | 551 | 534 |
| 73 | Europe | 334 | 4.3K | 80 | 186 |
| 74 | Neural circuitry | 109 | 4.2K | 86 | 92 |
| 75 | Social behavior | 77 | 4.1K | 91 | 92 |
| 76 | United States | 68 | 4.0K | 860 | 517 |
| 77 | Game Theory | 57 | 4.0K | 26 | 15 |
| 78 | Molecules | 166 | 3.9K | 51 | 87 |
| 79 | probabilities | 255 | 3.9K | 9 | 19 |
| 80 | biological evolution | 76 | 3.9K | 280 | 338 |
| 81 | Brain | 111 | 3.9K | 366 | 407 |
| 82 | Functional Analysis | 155 | 3.7K | 11 | 18 |
| 83 | Colloids | 81 | 3.7K | 696 | 590 |
| 84 | Psychiatry | 91 | 3.5K | 615 | 626 |
| 85 | Catalysis | 70 | 3.4K | 864 | 763 |
| 86 | Robotics | 77 | 3.4K | 146 | 110 |
| 87 | Quality of life | 30 | 3.4K | 255 | 88 |
| 88 | Cognition | 118 | 3.3K | 167 | 250 |
| 89 | Human genetics | 24 | 3.3K | 584 | 636 |
| 90 | Optics | 139 | 3.2K | 597 | 531 |
| 91 | Chronic diseases | 11 | 3.1K | 280 | 104 |
| 92 | Educational Psychology | 118 | 3.1K | 96 | 158 |
| 93 | human behavior | 73 | 3.1K | 342 | 458 |
| 94 | Geophysics | 24 | 3.1K | 1205 | 579 |
| 95 | Atmospheric Chemistry | 19 | 3.0K | 337 | 185 |
| 95 | Atmospheric Physics | 19 | 3.0K | 547 | 252 |
| 95 | Organometallic compounds | 67 | 3.0K | 100 | 69 |
| 98 | Surface Chemistry | 59 | 2.9K | 881 | 663 |
| 99 | Animal ecology | 76 | 2.9K | 110 | 128 |
| 100 | Plant Ecology | 48 | 2.8K | 327 | 260 |
| 101 | Health Policy | 161 | 2.8K | 115 | 212 |
| 102 | rehabilitation | 22 | 2.8K | 637 | 238 |
| 103 | RNA | 6 | 2.7K | 318 | 34 |
| 104 | Plant diseases | 45 | 2.7K | 363 | 199 |
| 105 | Child Development | 56 | 2.7K | 331 | 284 |
| 106 | Education | 79 | 2.6K | 553 | 421 |
| 107 | Materials | 46 | 2.5K | 1730 | 1269 |
| 108 | Polymers | 74 | 2.5K | 973 | 830 |
| 109 | Physiology | 71 | 2.4K | 764 | 746 |
| 110 | Therapeutics | 16 | 2.4K | 590 | 225 |
| 111 | Cybernetics | 73 | 2.4K | 138 | 226 |
| 111 | Medical Anthropology | 25 | 2.4K | 307 | 196 |
| 113 | Pollution | 74 | 2.4K | 1017 | 1267 |
| 114 | nanoscience | 31 | 2.3K | 858 | 632 |
| 115 | Perception | 70 | 2.3K | 274 | 276 |
| 116 | plant communities | 27 | 2.3K | 271 | 195 |
| 117 | Sleep Disorders | 63 | 2.3K | 195 | 179 |
| 118 | Child | 22 | 2.3K | 749 | 261 |
| 119 | Solid State Chemistry | 112 | 2.2K | 232 | 271 |
| 120 | Sleep | 62 | 2.2K | 197 | 185 |
| 121 | Biomass Energy | 26 | 2.2K | 698 | 465 |
| 122 | Meteorology | 23 | 2.2K | 688 | 444 |
| 123 | Statistics | 82 | 2.2K | 419 | 356 |
| 124 | Organometallic chemistry | 109 | 2.1K | 70 | 82 |
| 125 | Materials Science | 37 | 2.1K | 1352 | 1003 |
| 126 | Cognitive Science | 60 | 2.1K | 145 | 238 |
| 127 | Social Sciences | 108 | 2.1K | 332 | 363 |
| 128 | Bioinorganic chemistry | 108 | 2.1K | 57 | 124 |
| 129 | Environmental Health | 55 | 2.1K | 1105 | 1109 |
| 130 | Microbial Genetics | 25 | 2.1K | 42 | 28 |
| 131 | Environmental Microbiology | 36 | 2.0K | 220 | 241 |
| 132 | Electronics | 17 | 2.0K | 1462 | 540 |
| 133 | phytopathogenic bacteria | 24 | 2.0K | 35 | 26 |
| 134 | Learning | 49 | 2.0K | 203 | 228 |
| 135 | environmental pollution | 54 | 2.0K | 945 | 1013 |
| 136 | Chemical Engineering | 87 | 2.0K | 885 | 1215 |
| 137 | Zoology | 86 | 2.0K | 296 | 320 |
| 138 | preventive medicine | 78 | 1.9K | 102 | 176 |
| 139 | Nonlinear Dynamics | 69 | 1.9K | 379 | 400 |
| 140 | Child psychology | 32 | 1.9K | 370 | 324 |
| 141 | Metabolism | 25 | 1.9K | 792 | 624 |
| 142 | Emotions | 27 | 1.9K | 121 | 101 |
| 143 | Comparative Physiology | 54 | 1.9K | 79 | 89 |
| 144 | Mental Disorders | 47 | 1.8K | 530 | 580 |
| 145 | Organic Chemistry | 87 | 1.8K | 513 | 650 |
| 146 | Physical Chemistry | 57 | 1.8K | 402 | 454 |
| 147 | Geometry | 104 | 1.8K | 46 | 28 |
| 148 | Geriatrics | 82 | 1.8K | 389 | 445 |
| 149 | Adolescent | 41 | 1.8K | 407 | 292 |
| 149 | polymerization | 49 | 1.8K | 1032 | 831 |
| 151 | Virology | 15 | 1.8K | 1095 | 796 |
| 152 | Aging | 37 | 1.8K | 642 | 465 |
| 153 | Developmental Biology | 19 | 1.8K | 668 | 480 |
| 154 | Public Policy | 61 | 1.7K | 204 | 237 |
| 155 | mathematical analysis | 132 | 1.7K | 190 | 244 |
| 156 | Cognitive neuroscience | 24 | 1.7K | 288 | 265 |
| 157 | Neurobiology | 28 | 1.7K | 500 | 456 |
| 158 | Combinatorial analysis | 104 | 1.7K | 51 | 49 |
| 159 | Spectrum analysis | 83 | 1.7K | 826 | 1054 |
| 160 | United Kingdom | 97 | 1.6K | 119 | 302 |
| 161 | Operations Research | 73 | 1.6K | 307 | 428 |
| 162 | Computer Graphics | 27 | 1.6K | 472 | 260 |
| 163 | Algebra | 152 | 1.6K | 36 | 58 |
| 163 | Cerebral cortex | 28 | 1.6K | 218 | 210 |
| 165 | Molecular Microbiology | 19 | 1.5K | 290 | 264 |
| 166 | Nanostructured Materials | 52 | 1.5K | 753 | 846 |
| 167 | Histology | 50 | 1.4K | 317 | 373 |
| 168 | Memory | 33 | 1.4K | 436 | 388 |
| 169 | Population Genetics | 40 | 1.4K | 224 | 296 |
| 170 | Hippocampus | 5 | 1.4K | 196 | 46 |
| 171 | Molecular ecology | 35 | 1.4K | 215 | 316 |
| 172 | Atomic spectroscopy | 50 | 1.4K | 125 | 126 |
| 173 | Sociobiology | 4 | 1.4K | 172 | 20 |
| 174 | Obstetrics | 32 | 1.3K | 567 | 422 |
| 175 | Pharmaceutical Chemistry | 67 | 1.3K | 686 | 902 |
| 176 | Bioenergetics | 31 | 1.3K | 141 | 162 |
| 177 | Developmental Psychology | 47 | 1.3K | 164 | 257 |
| 178 | Numerical Analysis | 61 | 1.3K | 333 | 318 |
| 179 | Bacteriology | 23 | 1.3K | 584 | 542 |
| 180 | Molecular evolution | 18 | 1.3K | 492 | 373 |
| 181 | Differential Equations | 49 | 1.3K | 115 | 120 |
| 182 | Genetic translocation | 23 | 1.3K | 10 | 11 |
| 182 | plasmids | 23 | 1.3K | 10 | 11 |
| 184 | Environmental monitoring | 25 | 1.2K | 1304 | 1113 |
| 185 | behavior therapy | 10 | 1.2K | 413 | 177 |
| 186 | Plant genetic engineering | 39 | 1.2K | 115 | 187 |
| 187 | Signal Transduction | 14 | 1.2K | 566 | 392 |
| 188 | Nutrition | 12 | 1.2K | 1923 | 1088 |
| 189 | Antioxidants | 10 | 1.2K | 336 | 188 |
| 190 | psychotherapy | 31 | 1.2K | 337 | 334 |
| 191 | biofuels | 12 | 1.2K | 71 | 50 |
| 192 | Economic Development | 47 | 1.1K | 218 | 371 |
| 192 | System analysis | 28 | 1.1K | 653 | 432 |
| 194 | Teaching | 38 | 1.1K | 332 | 287 |
| 195 | Philosophy | 99 | 1.1K | 205 | 179 |
| 196 | Oxidation-reduction | 10 | 1.1K | 372 | 257 |
| 197 | Marine Biology | 48 | 1.1K | 583 | 685 |
| 198 | Medical genetics | 23 | 1.1K | 781 | 796 |
| 198 | Psycholinguistics | 39 | 1.1K | 169 | 243 |
| 200 | Bioorganic chemistry | 39 | 1.1K | 718 | 767 |
| 201 | Photochemistry | 25 | 1.1K | 433 | 306 |
| 202 | behavioral medicine | 23 | 1.1K | 345 | 360 |
| 203 | Reproduction | 17 | 1.1K | 883 | 552 |
| 204 | Mass Spectrometry | 42 | 1.0K | 179 | 221 |
| 205 | Energy metabolism | 20 | 1.0K | 183 | 176 |
| 206 | Economic History | 70 | 1.0K | 477 | 625 |
| 206 | Visual Perception | 34 | 1.0K | 367 | 378 |
| 208 | cell membrane | 22 | 1.0K | 161 | 154 |
| 209 | soil microbiology | 28 | 1.0K | 386 | 529 |
| 210 | Photobiology | 22 | 1.0K | 275 | 179 |
| 211 | Plant tissue culture | 26 | 1.0K | 93 | 78 |
| 212 | Developmental Disabilities | 8 | 1.0K | 534 | 261 |
| 213 | Germany | 248 | 1.0K | 3 | 11 |
| 214 | Attention | 36 | 1.0K | 370 | 394 |
| 215 | Synthetic biology | 13 | 1.0K | 93 | 36 |
| 216 | economic policy | 67 | 996 | 287 | 367 |
| 217 | Environmental Management | 27 | 992 | 875 | 1015 |
| 218 | Social problems | 32 | 990 | 76 | 126 |
| 219 | Plant cell culture | 5 | 964 | 446 | 79 |
| 220 | Evolutionary Computation | 26 | 963 | 61 | 135 |
| 221 | Toxicology | 43 | 962 | 1165 | 1417 |
| 221 | Nanoparticles | 37 | 962 | 356 | 489 |
| 223 | Post-traumatic stress disorder | 30 | 941 | 138 | 186 |
| 224 | Analytical Chemistry | 27 | 938 | 1581 | 1443 |
| 225 | visualization | 18 | 926 | 507 | 173 |
| 226 | Magnetic Resonance Spectroscopy | 26 | 925 | 337 | 229 |
| 227 | Birds | 35 | 915 | 252 | 195 |
| 228 | Probability | 39 | 913 | 49 | 89 |
| 229 | Engineering | 29 | 900 | 1357 | 961 |
| 230 | Biodiversity | 39 | 899 | 432 | 610 |
| 231 | Photonics | 25 | 898 | 638 | 647 |
| 232 | Chromosomes | 13 | 897 | 349 | 215 |
| 233 | violence | 23 | 894 | 271 | 237 |
| 233 | population geography | 15 | 894 | 72 | 38 |
| 235 | nuclear magnetic resonance | 21 | 890 | 354 | 224 |
| 236 | Automation | 19 | 885 | 891 | 769 |
| 237 | miniaturization | 21 | 884 | 599 | 669 |
| 238 | Plant Genetics | 19 | 883 | 184 | 239 |
| 239 | individual differences | 16 | 869 | 48 | 37 |
| 240 | Immunology | 17 | 866 | 1165 | 1033 |
| 241 | Social policy | 99 | 848 | 17 | 137 |
| 242 | Microbial Biotechnology | 34 | 847 | 64 | 120 |
| 243 | Autonomous robots | 17 | 845 | 18 | 27 |
| 244 | Stem cells | 17 | 839 | 506 | 440 |
| 245 | Genetic algorithms | 23 | 834 | 52 | 131 |
| 246 | Geriatric Psychiatry | 4 | 832 | 736 | 181 |
| 247 | Vision | 26 | 830 | 176 | 213 |
| 248 | Neuropsychiatry | 34 | 818 | 119 | 183 |
| 249 | Systems Engineering | 25 | 816 | 603 | 523 |
| 250 | Linguistics | 61 | 813 | 187 | 280 |
| 251 | Clinical Psychology | 23 | 812 | 399 | 434 |
| 252 | Systems Analysis | 14 | 811 | 395 | 132 |
| 253 | marketing | 12 | 787 | 992 | 697 |
| 254 | Plant Biotechnology | 8 | 784 | 367 | 153 |
| 255 | International Relations | 46 | 781 | 169 | 196 |
| 256 | Microelectronics | 21 | 777 | 616 | 642 |
| 257 | Microorganisms | 28 | 774 | 167 | 362 |
| 258 | Ornithology | 33 | 773 | 201 | 167 |
| 258 | Molecular structure | 35 | 773 | 549 | 664 |
| 260 | Health Services Research | 29 | 763 | 366 | 366 |
| 261 | Phylogeny | 15 | 762 | 286 | 268 |
| 262 | Anatomy | 19 | 760 | 716 | 579 |
| 262 | Growth | 11 | 760 | 512 | 499 |
| 264 | Radio | 5 | 758 | 1067 | 494 |
| 265 | Communication | 34 | 737 | 494 | 634 |
| 266 | Organizational Behavior | 6 | 727 | 382 | 241 |
| 267 | Microscopy | 10 | 725 | 671 | 261 |
| 268 | Family | 14 | 721 | 370 | 230 |
| 268 | Pregnancy | 15 | 721 | 238 | 144 |
| 270 | Environmental Toxicology | 14 | 716 | 1022 | 841 |
| 271 | Environmental Chemistry | 23 | 713 | 540 | 820 |
| 272 | Genetic Toxicology | 10 | 710 | 114 | 85 |
| 273 | Primary health care | 26 | 708 | 411 | 376 |
| 274 | Environmental Policy | 35 | 699 | 778 | 1322 |
| 275 | Environmental Psychology | 7 | 689 | 174 | 122 |
| 276 | child abuse | 20 | 687 | 222 | 261 |
| 277 | Biodiversity conservation | 9 | 681 | 822 | 787 |
| 278 | biocatalysis | 2 | 677 | 220 | 157 |
| 278 | Homogeneous catalysis | 2 | 677 | 220 | 157 |
| 278 | Heterogeneous catalysis | 2 | 677 | 220 | 157 |
| 281 | Philosophy of Mind | 16 | 671 | 40 | 26 |
| 282 | Discrete geometry | 17 | 670 | 52 | 28 |
| 283 | motivation | 14 | 668 | 91 | 94 |
| 283 | Speech | 19 | 668 | 279 | 298 |
| 285 | Human-Computer Interaction | 12 | 664 | 644 | 393 |
| 286 | Developing countries | 27 | 663 | 585 | 611 |
| 287 | Emotion | 12 | 658 | 47 | 58 |
| 288 | Global Health | 25 | 651 | 188 | 147 |
| 288 | adolescence | 22 | 651 | 252 | 319 |
| 290 | Soil biology | 14 | 648 | 370 | 427 |
| 291 | Proteome | 13 | 645 | 464 | 416 |
| 292 | Immunity | 4 | 643 | 1220 | 860 |
| 293 | management | 25 | 629 | 1204 | 1417 |
| 294 | Aggression | 9 | 624 | 219 | 147 |
| 295 | Stochastic Processes | 53 | 622 | 29 | 108 |
| 296 | Clinical Chemistry | 22 | 618 | 878 | 972 |
| 297 | Entomology | 31 | 617 | 607 | 553 |
| 298 | race relations | 23 | 609 | 118 | 111 |
| 299 | Electrochemistry | 31 | 605 | 1391 | 1393 |
| 300 | proteins | 28 | 604 | 546 | 640 |
| 301 | Environmental Engineering | 15 | 602 | 1658 | 1410 |
| 301 | freshwater biology | 17 | 602 | 256 | 235 |
| 303 | moral development | 10 | 597 | 13 | 4 |
| 304 | Nanostructures | 9 | 593 | 1133 | 771 |
| 305 | Pharmacognosy | 42 | 589 | 323 | 715 |
| 306 | Soft Condensed Matter | 22 | 588 | 343 | 377 |
| 307 | Cell differentiation | 11 | 586 | 706 | 732 |
| 308 | Metals | 13 | 583 | 943 | 721 |
| 309 | Mathematical Economics | 28 | 582 | 43 | 119 |
| 310 | Information Systems | 26 | 575 | 263 | 352 |
| 311 | Synaptic Transmission | 16 | 574 | 128 | 118 |
| 312 | Demography | 11 | 571 | 253 | 188 |
| 312 | Nonlinear functional analysis | 25 | 571 | 261 | 230 |
| 314 | Health Education | 28 | 566 | 479 | 523 |
| 315 | Sports | 54 | 565 | 388 | 675 |
| 315 | enzymes | 16 | 565 | 577 | 537 |
| 317 | Ophthalmology | 16 | 564 | 724 | 632 |
| 318 | natural products | 42 | 563 | 281 | 475 |
| 319 | Health promotion | 83 | 555 | 95 | 296 |
| 320 | Embryology | 13 | 553 | 636 | 650 |
| 320 | Econometrics | 37 | 553 | 284 | 431 |
| 322 | health planning | 17 | 548 | 813 | 565 |
| 323 | Proteomics | 16 | 547 | 332 | 388 |
| 324 | Tourism | 5 | 546 | 1311 | 721 |
| 325 | Ethnic relations | 19 | 545 | 117 | 69 |
| 326 | Green Chemistry | 21 | 544 | 597 | 865 |
| 326 | Informatics | 20 | 544 | 168 | 221 |
| 328 | Population | 22 | 543 | 188 | 262 |
| 329 | epilepsy | 26 | 542 | 186 | 247 |
| 330 | Endocrinology | 15 | 537 | 1109 | 1151 |
| 330 | Experimental Psychology | 12 | 537 | 270 | 240 |
| 332 | Mental illness | 15 | 530 | 713 | 805 |
| 332 | Quantum theory | 28 | 530 | 235 | 282 |
| 334 | disease outbreaks | 13 | 523 | 175 | 172 |
| 334 | Epidemics | 13 | 523 | 171 | 172 |
| 336 | Pediatrics | 20 | 519 | 734 | 863 |
| 336 | environmental protection | 30 | 519 | 983 | 1512 |
| 338 | Ethnic Conflict | 15 | 517 | 54 | 49 |
| 338 | forced migration | 15 | 517 | 54 | 49 |
| 340 | Electrophoresis | 11 | 514 | 787 | 529 |
| 341 | Performance | 8 | 512 | 140 | 90 |
| 342 | Water pollution | 10 | 507 | 1479 | 1292 |
| 342 | Cancer | 13 | 507 | 1244 | 1272 |
| 344 | Speech Disorders | 18 | 502 | 364 | 372 |
| 345 | Reproductive health | 7 | 500 | 404 | 193 |
| 346 | Globalization | 40 | 487 | 31 | 115 |
| 346 | older people | 20 | 487 | 498 | 377 |
| 348 | Environmental pollutants | 30 | 482 | 510 | 951 |
| 349 | Algorithms | 26 | 479 | 80 | 126 |
| 350 | Diet | 4 | 477 | 1455 | 938 |
| 351 | families | 11 | 476 | 381 | 216 |
| 351 | Radiation effects | 7 | 476 | 322 | 197 |
| 353 | pollutants | 22 | 475 | 517 | 815 |
| 354 | Medical Physics | 2 | 471 | 1554 | 646 |
| 354 | biological factors | 32 | 471 | 396 | 697 |
| 356 | Nuclear Energy | 4 | 470 | 800 | 239 |
| 356 | Nuclear Chemistry | 5 | 470 | 815 | 226 |
| 356 | Radiochemistry | 5 | 470 | 735 | 182 |
| 359 | Genetic regulation | 9 | 467 | 527 | 496 |
| 360 | Adolescent Psychology | 23 | 466 | 200 | 350 |
| 361 | Control Theory | 16 | 465 | 762 | 623 |
| 362 | Biometrics | 27 | 453 | 276 | 359 |
| 363 | Human Rights | 11 | 452 | 199 | 102 |
| 364 | lasers | 10 | 448 | 1227 | 702 |
| 365 | Biosensors | 6 | 445 | 861 | 766 |
| 365 | Pediatric Neurology | 6 | 445 | 545 | 524 |
| 365 | Bioelectronics | 6 | 445 | 749 | 688 |
| 368 | educational planning | 10 | 440 | 144 | 123 |
| 368 | Vaccines | 10 | 440 | 766 | 613 |
| 370 | biopolymers | 16 | 438 | 445 | 482 |
| 371 | medical education | 19 | 435 | 559 | 566 |
| 372 | Plant Morphology | 14 | 431 | 164 | 118 |
| 373 | glycoproteins | 17 | 427 | 106 | 175 |
| 373 | Glycoconjugates | 17 | 427 | 106 | 175 |
| 373 | glycolipids | 17 | 427 | 106 | 175 |
| 376 | Surgery | 6 | 424 | 914 | 747 |
| 377 | Anxiety | 5 | 421 | 349 | 299 |
| 377 | Business | 22 | 421 | 734 | 1198 |
| 379 | Computational Complexity | 14 | 420 | 337 | 140 |
| 380 | Quantum electronics | 9 | 419 | 910 | 518 |
| 381 | Anxiety Disorders | 4 | 417 | 389 | 299 |
| 381 | Membranes | 15 | 417 | 759 | 927 |
| 383 | Evolution equations | 31 | 413 | 1 | 5 |
| 384 | Dynamics | 25 | 410 | 423 | 440 |
| 385 | Biocompatible Materials | 15 | 403 | 1634 | 1961 |
| 386 | Sports Medicine | 14 | 400 | 1107 | 938 |
| 387 | Depression | 2 | 391 | 394 | 208 |
| 388 | Immunotherapy | 2 | 388 | 1667 | 858 |
| 389 | Morphology | 7 | 386 | 550 | 239 |
| 390 | Metallurgy | 12 | 381 | 1102 | 908 |
| 391 | Surface properties | 6 | 380 | 800 | 568 |
| 392 | Environmental Law | 25 | 379 | 231 | 698 |
| 393 | Immune system | 1 | 378 | 1175 | 612 |
| 394 | Mathematics Education | 25 | 374 | 55 | 91 |
| 395 | Welfare Economics | 13 | 370 | 152 | 166 |
| 396 | infection | 15 | 362 | 583 | 745 |
| 397 | Chemical Ecology | 12 | 360 | 185 | 241 |
| 398 | environmental exposure | 16 | 359 | 674 | 928 |
| 399 | cloning | 5 | 358 | 412 | 379 |
| 400 | Women's health | 16 | 357 | 380 | 395 |
| 401 | Agriculture | 5 | 356 | 1534 | 883 |
| 402 | Analytical Biochemistry | 10 | 355 | 875 | 706 |
| 402 | Production Management | 10 | 355 | 581 | 787 |
| 404 | Research Design | 18 | 351 | 349 | 531 |
| 405 | Gerontology | 21 | 349 | 602 | 687 |
| 406 | Graph Theory | 24 | 348 | 160 | 165 |
| 407 | language | 10 | 344 | 386 | 402 |
| 408 | Youth | 16 | 342 | 225 | 350 |
| 409 | Social Systems | 45 | 340 | 1 | 1 |
| 409 | pheromones | 11 | 340 | 175 | 230 |
| 409 | Social structure | 45 | 340 | 1 | 1 |
| 412 | Mental Health Services | 10 | 336 | 533 | 440 |
| 412 | refugees | 12 | 336 | 58 | 43 |
| 412 | Soil ecology | 7 | 336 | 448 | 400 |
| 415 | Cytogenetics | 7 | 335 | 760 | 751 |
| 416 | amino acids | 8 | 334 | 250 | 214 |
| 417 | Primates | 10 | 330 | 312 | 270 |
| 418 | Criminology | 21 | 329 | 316 | 354 |
| 418 | Medical Microbiology | 13 | 329 | 914 | 1195 |
| 420 | animals | 21 | 328 | 329 | 381 |
| 421 | Behavioral Genetics | 9 | 326 | 109 | 130 |
| 421 | Semantic web | 4 | 326 | 68 | 31 |
| 421 | Marine mammals | 3 | 326 | 217 | 79 |
| 424 | Process Control | 8 | 323 | 514 | 652 |
| 424 | sports administration | 23 | 323 | 26 | 79 |
| 426 | Happiness | 4 | 322 | 329 | 160 |
| 427 | Neurolinguistics | 5 | 321 | 322 | 251 |
| 428 | Methodology | 12 | 320 | 108 | 79 |
| 429 | Neurochemistry | 12 | 319 | 1106 | 1203 |
| 430 | Carbon | 4 | 317 | 1089 | 898 |
| 430 | sexual behavior | 10 | 317 | 294 | 311 |
| 432 | Water | 7 | 315 | 1515 | 1553 |
| 432 | mammals | 20 | 315 | 272 | 371 |
| 434 | peace | 6 | 313 | 302 | 225 |
| 435 | Personality Assessment | 8 | 311 | 318 | 348 |
| 436 | Pharmacology | 18 | 309 | 1957 | 2347 |
| 437 | disarmament | 5 | 308 | 99 | 48 |
| 438 | Information Science | 13 | 307 | 1183 | 1392 |
| 439 | health services accessibility | 16 | 306 | 277 | 370 |
| 440 | human development | 14 | 305 | 300 | 450 |
| 441 | Political Science | 30 | 303 | 512 | 661 |
| 441 | Radiography | 3 | 303 | 660 | 508 |
| 443 | Social History | 26 | 301 | 78 | 90 |
| 443 | protein | 18 | 301 | 398 | 567 |
| 445 | Infections | 9 | 300 | 532 | 634 |
| 446 | Climate change | 2 | 299 | 1084 | 926 |
| 446 | Eutrophication | 2 | 299 | 999 | 914 |
| 448 | Computer Science | 21 | 298 | 604 | 715 |
| 448 | crime | 13 | 298 | 287 | 253 |
| 450 | Systems Biology | 19 | 296 | 478 | 687 |
| 451 | Health | 19 | 295 | 702 | 930 |
| 451 | Optical materials | 8 | 295 | 1639 | 1569 |
| 453 | epidemiologic methods | 4 | 294 | 112 | 21 |
| 453 | Parasitology | 15 | 294 | 1006 | 1054 |
| 453 | Molecular Spectroscopy | 8 | 294 | 1144 | 873 |
| 456 | Metabolic diseases | 10 | 289 | 1003 | 1187 |
| 456 | Calculus of Variations | 22 | 289 | 104 | 162 |
| 458 | mutagens | 6 | 287 | 459 | 476 |
| 459 | Ethics | 16 | 283 | 286 | 300 |
| 459 | Speech Perception | 8 | 283 | 180 | 198 |
| 459 | auditory perception | 8 | 283 | 211 | 224 |
| 459 | Lipids | 5 | 283 | 917 | 757 |
| 459 | economic conditions | 3 | 283 | 491 | 259 |
| 459 | Oral communication | 8 | 283 | 197 | 138 |
| 465 | psychophysics | 15 | 282 | 94 | 100 |
| 465 | Light | 5 | 282 | 670 | 691 |
| 467 | Combinatorial chemistry | 8 | 277 | 378 | 483 |
| 468 | War | 6 | 276 | 96 | 32 |
| 468 | warfare | 6 | 276 | 160 | 151 |
| 468 | child behavior | 2 | 276 | 466 | 230 |
| 471 | Economic Thought | 2 | 275 | 375 | 232 |
| 472 | Evolutionary economics | 12 | 273 | 30 | 51 |
| 472 | Knowledge | 30 | 273 | 79 | 166 |
| 472 | Population Dynamics | 12 | 273 | 27 | 56 |
| 475 | environmental indicators | 10 | 272 | 544 | 764 |
| 475 | analysis | 14 | 272 | 130 | 221 |
| 475 | Mechanics | 14 | 272 | 519 | 508 |
| 478 | Consciousness | 4 | 271 | 421 | 219 |
| 479 | free radicals | 9 | 270 | 723 | 934 |
| 480 | Structuralism | 4 | 268 | 106 | 113 |
| 480 | Social Networks | 4 | 268 | 227 | 136 |
| 480 | Medical Ethics | 27 | 268 | 263 | 374 |
| 480 | Child welfare | 10 | 268 | 499 | 459 |
| 484 | Insects | 9 | 267 | 802 | 622 |
| 485 | children | 2 | 265 | 587 | 261 |
| 486 | behavior modification | 1 | 264 | 574 | 287 |
| 487 | Data Mining | 15 | 262 | 538 | 867 |
| 487 | bees | 5 | 262 | 281 | 166 |
| 489 | Socialization | 7 | 261 | 319 | 356 |
| 490 | Humanities | 16 | 260 | 545 | 447 |
| 491 | Psychopharmacology | 2 | 258 | 1372 | 856 |
| 491 | Intelligence | 11 | 258 | 91 | 159 |
| 493 | counseling | 5 | 256 | 969 | 595 |
| 494 | Mycology | 6 | 255 | 1031 | 873 |
| 494 | Fungi | 6 | 255 | 674 | 657 |
| 496 | Community Psychiatry | 4 | 254 | 729 | 518 |
| 496 | China | 12 | 254 | 1386 | 1364 |
| 498 | Social Choice Theory | 10 | 253 | 82 | 64 |
| 498 | synthesis | 19 | 253 | 249 | 304 |
| 500 | motor skills | 7 | 252 | 93 | 97 |
| 501 | Memory disorders | 3 | 248 | 276 | 138 |
| 502 | Tropical Medicine | 9 | 245 | 920 | 752 |
| 503 | Language Disorders | 15 | 242 | 320 | 405 |
| 503 | Mental Health | 9 | 242 | 804 | 738 |
| 505 | Host-parasite interactions | 4 | 241 | 902 | 867 |
| 506 | History | 79 | 240 | 123 | 150 |
| 507 | Agricultural Chemistry | 8 | 236 | 1316 | 1334 |
| 508 | Signal Processing | 8 | 235 | 1571 | 1505 |
| 509 | scientific societies | 9 | 234 | 329 | 345 |
| 510 | Pathology | 5 | 233 | 1248 | 1095 |
| 510 | sanitation | 4 | 233 | 1159 | 1219 |
| 510 | Mutagenesis | 5 | 233 | 241 | 134 |
| 513 | Oligosaccharides | 11 | 230 | 57 | 92 |
| 513 | sex crimes | 11 | 230 | 264 | 316 |
| 515 | Physical organic chemistry | 16 | 229 | 576 | 795 |
| 516 | Horticulture | 1 | 228 | 1226 | 301 |
| 516 | Functional equations | 6 | 228 | 105 | 20 |
| 518 | Oceanography | 11 | 227 | 864 | 992 |
| 519 | Comparative Psychology | 5 | 226 | 74 | 98 |
| 519 | Socioeconomic Factors | 10 | 226 | 309 | 390 |
| 519 | Family Therapy | 5 | 226 | 540 | 324 |
| 522 | Eating Disorders | 3 | 224 | 762 | 463 |
| 522 | Feeding and Eating Disorders | 3 | 224 | 729 | 438 |
| 524 | internet | 4 | 223 | 1375 | 933 |
| 525 | atmospheric models | 2 | 221 | 655 | 449 |
| 525 | Allergy | 7 | 221 | 614 | 789 |
| 527 | Cognitive Psychology | 13 | 220 | 117 | 168 |
| 527 | Quantum Optics | 4 | 220 | 780 | 406 |
| 529 | Discourse Analysis | 11 | 219 | 121 | 176 |
| 529 | Neuromuscular diseases | 6 | 219 | 384 | 340 |
| 529 | Muscles | 6 | 219 | 516 | 540 |
| 529 | Aquatic ecology | 10 | 219 | 433 | 458 |
| 533 | industrial relations | 8 | 218 | 469 | 357 |
| 534 | mycoses | 4 | 217 | 595 | 596 |
| 534 | international cooperation | 11 | 217 | 226 | 326 |
| 536 | Ecosystem management | 7 | 216 | 380 | 394 |
| 536 | Marriage | 3 | 216 | 500 | 241 |
| 536 | brain mapping | 6 | 216 | 398 | 469 |
| 539 | Macroeconomics | 7 | 213 | 182 | 134 |
| 540 | Anthropology | 7 | 212 | 977 | 709 |
| 541 | role | 5 | 211 | 322 | 339 |
| 542 | Intelligent Transportation Systems | 6 | 210 | 778 | 745 |
| 542 | Fibers | 12 | 210 | 17 | 8 |
| 544 | Clinical Trials | 1 | 209 | 740 | 215 |
| 545 | Exercise | 15 | 208 | 571 | 754 |
| 546 | econometric models | 13 | 207 | 141 | 340 |
| 547 | Neurons | 1 | 206 | 740 | 737 |
| 548 | Number Theory | 26 | 205 | 168 | 175 |
| 548 | Parasitic Diseases | 6 | 205 | 1241 | 1116 |
| 550 | Corporate governance | 5 | 203 | 417 | 357 |
| 551 | Biogeochemistry | 5 | 202 | 772 | 809 |
| 552 | Laser Spectroscopy | 3 | 201 | 843 | 391 |
| 553 | data collection | 8 | 198 | 549 | 685 |
| 554 | ethnic groups | 9 | 197 | 144 | 157 |
| 554 | Oligosaccharide | 6 | 197 | 163 | 220 |
| 554 | Carbohydrates | 6 | 197 | 266 | 280 |
| 557 | Diabetes mellitus | 7 | 196 | 1054 | 1227 |
| 557 | Hematopoietic stem cell transplantation | 3 | 196 | 384 | 292 |
| 557 | Diabetes | 7 | 196 | 1094 | 1248 |
| 560 | Behavioral research | 20 | 195 | 46 | 145 |
| 561 | Mitochondria | 1 | 194 | 502 | 175 |
| 561 | Earth Sciences | 6 | 194 | 2227 | 1877 |
| 563 | Topology | 18 | 193 | 77 | 105 |
| 564 | occupational diseases | 4 | 192 | 589 | 489 |
| 565 | Computer Vision | 11 | 189 | 534 | 829 |
| 565 | cell movement | 4 | 189 | 176 | 183 |
| 567 | Medical innovations | 10 | 188 | 394 | 873 |
| 567 | Genes | 9 | 188 | 561 | 634 |
| 569 | Psychoneuroimmunology | 2 | 187 | 671 | 526 |
| 569 | Neuroimmunology | 2 | 187 | 747 | 578 |
| 569 | peptides | 9 | 187 | 344 | 340 |
| 569 | health services | 13 | 187 | 387 | 540 |
| 573 | Obesity | 6 | 186 | 1156 | 1254 |
| 574 | Nanoelectronics | 10 | 185 | 379 | 304 |
| 574 | alcoholism | 6 | 185 | 874 | 861 |
| 576 | pain | 8 | 184 | 690 | 837 |
| 577 | Regional Planning | 5 | 183 | 1116 | 905 |
| 577 | Chemical analysis | 8 | 183 | 640 | 753 |
| 577 | viruses | 4 | 183 | 1000 | 964 |
| 577 | Psychiatric Epidemiology | 3 | 183 | 440 | 358 |
| 581 | Online social networks | 1 | 182 | 627 | 121 |
| 581 | mental health promotion | 1 | 182 | 295 | 97 |
| 583 | Breeding | 6 | 179 | 782 | 755 |
| 584 | Public Health Administration | 60 | 178 | 43 | 157 |
| 584 | commerce | 18 | 178 | 451 | 980 |
| 586 | Ethnology | 14 | 177 | 555 | 624 |
| 587 | Climatology | 3 | 176 | 1590 | 1190 |
| 588 | Cytoskeleton | 3 | 175 | 267 | 186 |
| 588 | Algae | 5 | 175 | 552 | 514 |
| 588 | Seaweed | 5 | 175 | 417 | 427 |
| 591 | Phonetics | 9 | 174 | 151 | 210 |
| 592 | Political Sociology | 13 | 172 | 170 | 290 |
| 592 | Kalman Filtering | 18 | 172 | 22 | 35 |
| 594 | Invertebrates | 4 | 168 | 487 | 326 |
| 595 | Information Technology | 8 | 167 | 1493 | 1578 |
| 595 | Randomized Controlled Trials | 13 | 167 | 389 | 428 |
| 595 | fertility | 5 | 167 | 629 | 710 |
| 598 | Cognitive Therapy | 2 | 166 | 734 | 397 |
| 598 | Marine Pollution | 4 | 166 | 998 | 961 |
| 598 | Marriage counseling | 1 | 166 | 549 | 204 |
| 601 | International Finance | 12 | 165 | 818 | 1160 |
| 602 | Social interaction | 8 | 164 | 162 | 228 |
| 603 | Gene expression regulation | 5 | 163 | 651 | 639 |
| 603 | movement | 5 | 163 | 226 | 239 |
| 605 | Australia | 10 | 162 | 849 | 951 |
| 606 | drug addiction | 5 | 161 | 731 | 765 |
| 607 | Image Processing | 11 | 160 | 1190 | 1553 |
| 607 | Genetic therapy | 2 | 160 | 979 | 738 |
| 609 | Superconductors | 3 | 159 | 859 | 445 |
| 609 | bioclimatology | 2 | 159 | 1144 | 609 |
| 609 | Climate | 2 | 159 | 711 | 408 |
| 609 | weather | 2 | 159 | 698 | 375 |
| 613 | Public Administration | 7 | 158 | 867 | 772 |
| 614 | Computational Intelligence | 10 | 157 | 235 | 344 |
| 615 | Communication in medicine | 9 | 156 | 253 | 333 |
| 616 | Social Stratification | 12 | 155 | 18 | 47 |
| 616 | Social mobility | 12 | 155 | 18 | 47 |
| 616 | social conflict | 12 | 155 | 37 | 103 |
| 616 | social status | 12 | 155 | 18 | 47 |
| 616 | Occupational mobility | 12 | 155 | 18 | 47 |
| 621 | Social perception | 5 | 154 | 89 | 114 |
| 621 | gene therapy | 1 | 154 | 1189 | 743 |
| 621 | pain management | 5 | 154 | 411 | 363 |
| 621 | Japan | 11 | 154 | 803 | 952 |
| 621 | cell physiology | 5 | 154 | 991 | 1169 |
| 621 | organization | 4 | 154 | 687 | 730 |
| 627 | Energy Policy | 4 | 153 | 2236 | 2318 |
| 627 | energy resources | 4 | 153 | 1132 | 1399 |
| 629 | Environmental risk assessment | 1 | 152 | 751 | 212 |
| 629 | environmental control | 1 | 152 | 361 | 127 |
| 631 | Infertility | 4 | 151 | 630 | 683 |
| 631 | Economic Assistance | 11 | 151 | 271 | 617 |
| 633 | Immunopathology | 2 | 150 | 1071 | 841 |
| 633 | Social work | 7 | 150 | 860 | 749 |
| 635 | Thrombosis | 4 | 149 | 736 | 687 |
| 636 | Wildlife conservation | 5 | 148 | 772 | 931 |
| 636 | Enteral nutrition | 3 | 148 | 705 | 656 |
| 636 | Parenteral nutrition | 3 | 148 | 810 | 738 |
| 639 | ecosystem | 6 | 146 | 871 | 1118 |
| 640 | Systems Theory | 22 | 145 | 38 | 111 |
| 640 | intergroup relations | 8 | 145 | 70 | 157 |
| 642 | Cardiovascular diseases | 8 | 143 | 819 | 932 |
| 642 | city planning | 3 | 143 | 1526 | 1094 |
| 644 | Ecological Genetics | 8 | 142 | 312 | 326 |
| 645 | histological techniques | 5 | 141 | 479 | 601 |
| 646 | Conservation Biology | 8 | 140 | 617 | 864 |
| 647 | Statistical Mechanics | 13 | 139 | 273 | 384 |
| 647 | Diagnostic Imaging | 6 | 139 | 1184 | 1134 |
| 649 | Digital humanities | 2 | 138 | 137 | 37 |
| 649 | Virulence | 2 | 138 | 1056 | 1012 |
| 651 | Soil fertility | 3 | 136 | 302 | 334 |
| 651 | Chemical industry | 40 | 136 | 193 | 776 |
| 653 | Ethnobotany | 1 | 135 | 343 | 181 |
| 653 | ethnicity | 5 | 135 | 508 | 326 |
| 653 | Traditional medicine | 1 | 135 | 381 | 184 |
| 653 | international trade | 5 | 135 | 535 | 442 |
| 653 | ethnobiology | 1 | 135 | 449 | 206 |
| 653 | Phytotherapy | 1 | 135 | 1225 | 498 |
| 653 | biological invasions | 3 | 135 | 592 | 481 |
| 653 | Ethnomedicine | 1 | 135 | 343 | 181 |
| 661 | Histochemistry | 4 | 133 | 838 | 692 |
| 661 | Animal welfare | 4 | 133 | 187 | 190 |
| 663 | Animal | 9 | 132 | 41 | 70 |
| 664 | Carcinogenesis | 4 | 131 | 713 | 789 |
| 665 | Telecommunication Systems | 2 | 130 | 1880 | 1033 |
| 665 | Neurosurgery | 1 | 130 | 1156 | 702 |
| 667 | Nursing | 8 | 129 | 1147 | 1110 |
| 667 | Neonatology | 5 | 129 | 402 | 389 |
| 667 | Swarm Intelligence | 3 | 129 | 278 | 255 |
| 667 | Malaria | 4 | 129 | 496 | 466 |
| 671 | Database Management | 8 | 127 | 455 | 593 |
| 671 | Critical Care | 3 | 127 | 1065 | 1111 |
| 671 | Critical Care Medicine | 3 | 127 | 1021 | 1092 |
| 671 | Bacterial infections | 2 | 127 | 844 | 751 |
| 675 | Industrial Sociology | 3 | 126 | 179 | 157 |
| 675 | History of Medicine | 29 | 126 | 72 | 108 |
| 675 | Operator theory | 7 | 126 | 225 | 104 |
| 675 | Business Ethics | 2 | 126 | 1190 | 1172 |
| 675 | California | 2 | 126 | 444 | 258 |
| 680 | Substance Abuse | 6 | 125 | 880 | 939 |
| 680 | Social Change | 6 | 125 | 689 | 1157 |
| 682 | finance | 15 | 124 | 1056 | 1620 |
| 682 | hygiene | 3 | 124 | 493 | 372 |
| 684 | Law | 28 | 123 | 291 | 489 |
| 684 | Fractional Calculus | 5 | 123 | 65 | 81 |
| 684 | Metacognition | 3 | 123 | 51 | 82 |
| 684 | Neuroplasticity | 5 | 123 | 131 | 226 |
| 684 | Liposomes | 13 | 123 | 182 | 503 |
| 684 | Lipid bilayers | 13 | 123 | 152 | 432 |
| 690 | Multimedia Systems | 4 | 122 | 1599 | 1246 |
| 691 | Oncogenes | 2 | 121 | 973 | 1025 |
| 692 | Medical Technology | 4 | 120 | 1243 | 1195 |
| 692 | complementary therapies | 10 | 120 | 741 | 1292 |
| 694 | Forest Ecology | 6 | 119 | 680 | 877 |
| 694 | Maternal health services | 3 | 119 | 325 | 263 |
| 696 | Transportation | 7 | 118 | 1029 | 1250 |
| 697 | Criminal psychology | 9 | 117 | 434 | 583 |
| 697 | Educational Sociology | 6 | 117 | 202 | 234 |
| 697 | Decision making | 8 | 117 | 798 | 1098 |
| 700 | Smoking | 7 | 116 | 423 | 656 |
| 701 | Sustainable Engineering | 7 | 115 | 1037 | 1502 |
| 702 | Applied Linguistics | 10 | 114 | 256 | 363 |
| 702 | Production Engineering | 9 | 114 | 1127 | 1355 |
| 704 | Asia | 17 | 113 | 990 | 1750 |
| 705 | Mechanical Engineering | 4 | 112 | 2087 | 1520 |
| 705 | Electrochemical Analysis | 6 | 112 | 1177 | 1316 |
| 705 | Electrophysiology | 2 | 112 | 991 | 617 |
| 708 | Organizational Sociology | 6 | 111 | 216 | 305 |
| 709 | Cardiovascular system | 6 | 110 | 810 | 1194 |
| 710 | Fluid Dynamics | 5 | 109 | 836 | 859 |
| 710 | Juvenile delinquency | 3 | 109 | 315 | 235 |
| 710 | Public opinion | 5 | 109 | 299 | 371 |
| 710 | Employee selection | 1 | 109 | 243 | 117 |
| 710 | Semigroups | 5 | 109 | 195 | 66 |
| 710 | Planets | 3 | 109 | 1221 | 1307 |
| 716 | Chromatographic analysis | 8 | 108 | 1105 | 1305 |
| 717 | Marine invertebrates | 6 | 107 | 109 | 94 |
| 717 | deviant behavior | 6 | 107 | 187 | 201 |
| 719 | Logistics | 5 | 106 | 404 | 614 |
| 719 | Evolutionary Genetics | 3 | 106 | 647 | 554 |
| 719 | Molecular Epidemiology | 3 | 106 | 647 | 554 |
| 719 | Insect biochemistry | 4 | 106 | 359 | 448 |
| 723 | taxation | 4 | 105 | 177 | 179 |
| 723 | health and race | 1 | 105 | 357 | 139 |
| 725 | Solitons | 8 | 104 | 682 | 998 |
| 725 | Fractals | 8 | 104 | 685 | 999 |
| 725 | Chaos | 8 | 104 | 682 | 998 |
| 728 | Pharmaceutical Technology | 5 | 103 | 1141 | 1352 |
| 728 | Physical fitness | 3 | 103 | 979 | 888 |
| 728 | biomimicry | 8 | 103 | 71 | 166 |
| 728 | catalytic activity | 5 | 103 | 492 | 674 |
| 732 | Adult Education | 1 | 102 | 1062 | 346 |
| 732 | Freshwater invertebrates | 5 | 102 | 127 | 218 |
| 732 | carcinogens | 2 | 102 | 1025 | 838 |
| 732 | Respiration | 3 | 102 | 1221 | 1184 |
| 736 | Discrete Mathematics | 7 | 101 | 171 | 77 |
| 736 | Alternative Medicine | 8 | 101 | 790 | 1336 |
| 736 | graph | 7 | 101 | 171 | 77 |
| 736 | Communication in politics | 7 | 101 | 108 | 141 |
| 740 | Quantitative Research | 5 | 100 | 155 | 241 |
| 740 | Semiconductor industry | 6 | 100 | 383 | 377 |
| 742 | Emergency Medicine | 9 | 98 | 667 | 821 |
| 742 | Contraception | 5 | 98 | 391 | 489 |
| 744 | Distance Education | 1 | 97 | 722 | 320 |
| 744 | Entropy | 8 | 97 | 607 | 798 |
| 744 | Chemical processes | 9 | 97 | 235 | 417 |
| 744 | Development | 6 | 97 | 502 | 850 |
| 744 | Culture | 9 | 97 | 582 | 643 |
| 749 | risk factors | 5 | 96 | 468 | 563 |
| 749 | Pacific Islands | 4 | 96 | 229 | 142 |
| 751 | Functional Genomics | 2 | 95 | 304 | 320 |
| 751 | fuel cells | 4 | 95 | 1044 | 1246 |
| 751 | Bacteria | 1 | 95 | 532 | 432 |
| 754 | Occupational Health | 3 | 93 | 994 | 735 |
| 754 | Forecasting | 4 | 93 | 454 | 459 |
| 754 | Body Image | 1 | 93 | 385 | 290 |
| 754 | dissociative disorders | 2 | 93 | 142 | 105 |
| 758 | Sports Psychology | 3 | 92 | 109 | 154 |
| 758 | Optical Communications | 2 | 92 | 937 | 549 |
| 758 | Biomolecules | 1 | 92 | 765 | 550 |
| 758 | computer networks | 3 | 92 | 2277 | 2035 |
| 758 | Structure-activity relationship | 1 | 92 | 489 | 238 |
| 763 | Sustainable Development | 5 | 91 | 1573 | 2009 |
| 763 | Medicinal plants | 7 | 91 | 836 | 1484 |
| 763 | Parasites | 7 | 91 | 1000 | 1286 |
| 766 | Software Engineering | 6 | 90 | 696 | 833 |
| 766 | Emergency Medical Services | 8 | 90 | 303 | 486 |
| 766 | locomotion | 5 | 90 | 467 | 597 |
| 766 | posture | 5 | 90 | 467 | 597 |
| 766 | feeding behavior | 4 | 90 | 587 | 765 |
| 766 | gait | 5 | 90 | 467 | 597 |
| 766 | walking | 5 | 90 | 467 | 597 |
| 773 | Nonlinear systems | 3 | 89 | 606 | 488 |
| 774 | Political Psychology | 3 | 88 | 354 | 414 |
| 774 | Hemostasis | 2 | 88 | 744 | 588 |
| 774 | Bioethics | 6 | 88 | 621 | 642 |
| 774 | polar regions | 4 | 88 | 531 | 533 |
| 778 | Social Issues | 4 | 87 | 211 | 275 |
| 779 | economic forecasting | 3 | 86 | 305 | 346 |
| 779 | Shock Waves | 2 | 86 | 219 | 122 |
| 779 | multimedia | 2 | 86 | 606 | 574 |
| 779 | Interactive multimedia | 2 | 86 | 702 | 614 |
| 783 | Psychiatric Nursing | 2 | 85 | 795 | 544 |
| 783 | consumer behavior | 2 | 85 | 681 | 634 |
| 783 | Urban Anthropology | 4 | 85 | 124 | 156 |
| 786 | Development Economics | 2 | 84 | 557 | 362 |
| 786 | Manufacturing Processes | 7 | 84 | 1513 | 1943 |
| 786 | Marine Biotechnology | 1 | 84 | 404 | 262 |
| 786 | Cross-Cultural Studies | 6 | 84 | 430 | 625 |
| 786 | Adhesion | 6 | 84 | 433 | 578 |
| 786 | Writing | 3 | 84 | 291 | 303 |
| 786 | Reading | 3 | 84 | 575 | 550 |
| 786 | adhesives | 6 | 84 | 464 | 583 |
| 794 | Virtual reality | 2 | 83 | 514 | 395 |
| 795 | Intercultural Communication | 5 | 82 | 283 | 414 |
| 795 | Developmental Genetics | 2 | 82 | 495 | 598 |
| 795 | Leadership | 2 | 82 | 693 | 685 |
| 795 | Socialism | 3 | 82 | 202 | 134 |
| 795 | Intellectual disability | 10 | 82 | 373 | 659 |
| 800 | Comparative Education | 2 | 81 | 297 | 135 |
| 801 | Genetic variation | 7 | 80 | 40 | 97 |
| 801 | silicon | 2 | 80 | 488 | 221 |
| 803 | energy conservation | 5 | 79 | 1610 | 2274 |
| 803 | Enzyme | 1 | 79 | 891 | 702 |
| 803 | Literacy | 5 | 79 | 228 | 255 |
| 803 | Written communication | 5 | 79 | 53 | 102 |
| 807 | Soil Science | 2 | 78 | 2011 | 1777 |
| 808 | Geography | 7 | 77 | 1293 | 1761 |
| 808 | Energy Storage | 5 | 77 | 957 | 1250 |
| 808 | Psychometrics | 13 | 77 | 182 | 430 |
| 808 | Computer-Aided Design | 6 | 77 | 818 | 1093 |
| 808 | Diplomatic relations | 13 | 77 | 232 | 318 |
| 813 | Serology | 3 | 76 | 476 | 508 |
| 813 | Communication and Culture | 4 | 76 | 222 | 197 |
| 813 | Biomechanics | 1 | 76 | 1833 | 1214 |
| 813 | Elderly | 10 | 76 | 608 | 671 |
| 813 | Matroids | 7 | 76 | 143 | 221 |
| 813 | recreation | 5 | 76 | 512 | 544 |
| 819 | Surface-Active Agents | 4 | 75 | 981 | 1395 |
| 819 | Food | 4 | 75 | 2493 | 2917 |
| 821 | Nanophotonics | 4 | 74 | 278 | 398 |
| 822 | Multivariate Analysis | 4 | 73 | 482 | 501 |
| 823 | Aerosols | 1 | 70 | 814 | 511 |
| 823 | Documentation | 5 | 70 | 165 | 269 |
| 823 | Heterocyclic compounds | 6 | 70 | 700 | 715 |
| 826 | Industrial Organization | 10 | 69 | 112 | 347 |
| 826 | rare diseases | 1 | 69 | 824 | 582 |
| 828 | Cosmology | 4 | 68 | 548 | 601 |
| 828 | touch | 1 | 68 | 212 | 136 |
| 828 | Hearing | 6 | 68 | 432 | 610 |
| 831 | Product Design | 6 | 67 | 344 | 426 |
| 831 | Social welfare | 3 | 67 | 559 | 516 |
| 833 | community participation | 2 | 66 | 125 | 105 |
| 833 | Faculty | 2 | 66 | 125 | 105 |
| 833 | mental processes | 4 | 66 | 286 | 320 |
| 836 | civil rights | 4 | 65 | 310 | 321 |
| 836 | Crystallography | 15 | 65 | 752 | 1004 |
| 836 | Radioisotopes | 4 | 65 | 869 | 823 |
| 839 | Europa | 10 | 64 | 219 | 570 |
| 840 | Metagenomics | 1 | 63 | 19 | 25 |
| 840 | Protozoa | 3 | 63 | 392 | 491 |
| 842 | Orthopedics | 5 | 62 | 983 | 1203 |
| 842 | micromechanics | 7 | 62 | 346 | 661 |
| 842 | Communication Disorders | 3 | 62 | 303 | 288 |
| 842 | Scandinavia | 8 | 62 | 283 | 594 |
| 842 | cosmetics | 1 | 62 | 334 | 183 |
| 847 | vascular diseases | 2 | 61 | 709 | 792 |
| 847 | Appetite | 3 | 61 | 609 | 838 |
| 847 | venom | 3 | 61 | 716 | 833 |
| 847 | Toxins | 3 | 61 | 825 | 917 |
| 851 | Human Geography | 6 | 60 | 733 | 1018 |
| 851 | Biological Systems | 4 | 60 | 418 | 641 |
| 851 | Drug delivery systems | 1 | 60 | 2113 | 1760 |
| 851 | Reproductive toxicology | 2 | 60 | 523 | 544 |
| 851 | Educational Change | 2 | 60 | 79 | 89 |
| 851 | breastfeeding | 2 | 60 | 576 | 526 |
| 851 | Small Business | 4 | 60 | 641 | 1130 |
| 851 | child mental health | 4 | 60 | 388 | 495 |
| 851 | educational innovations | 2 | 60 | 676 | 633 |
| 860 | Microeconomics | 2 | 59 | 410 | 329 |
| 860 | Consumer Protection | 1 | 59 | 384 | 243 |
| 860 | big data | 4 | 59 | 484 | 693 |
| 860 | consumers | 1 | 59 | 740 | 469 |
| 860 | Customer Relations | 1 | 59 | 186 | 92 |
| 860 | software | 2 | 59 | 1250 | 1321 |
| 860 | Educational evaluation | 3 | 59 | 170 | 173 |
| 867 | Genetic disorders | 3 | 58 | 375 | 474 |
| 867 | Plastics | 5 | 58 | 1295 | 1617 |
| 867 | solar cells | 3 | 58 | 883 | 1224 |
| 867 | chronic disease | 2 | 58 | 326 | 319 |
| 867 | Yeast | 2 | 58 | 502 | 558 |
| 872 | Structural design | 3 | 57 | 849 | 895 |
| 872 | Computational Mathematics | 2 | 57 | 143 | 147 |
| 872 | Organizational culture | 1 | 57 | 95 | 100 |
| 872 | Smart Materials | 3 | 57 | 961 | 1010 |
| 872 | global environmental change | 1 | 57 | 1225 | 1109 |
| 872 | corporate culture | 1 | 57 | 414 | 296 |
| 872 | environmental issues | 1 | 57 | 772 | 602 |
| 879 | Early Childhood Education | 4 | 56 | 519 | 593 |
| 879 | speech therapy | 2 | 56 | 460 | 399 |
| 879 | world | 1 | 56 | 1120 | 1049 |
| 882 | Renewable Energy Sources | 2 | 55 | 2842 | 3257 |
| 882 | arthritis | 9 | 55 | 568 | 1162 |
| 884 | Medical Oncology | 1 | 54 | 1781 | 1549 |
| 884 | Clinical Biochemistry | 2 | 54 | 1208 | 1145 |
| 884 | DNA methylation | 1 | 54 | 458 | 428 |
| 884 | Government policy | 5 | 54 | 92 | 220 |
| 884 | men | 4 | 54 | 205 | 355 |
| 884 | curriculum evaluation | 5 | 54 | 258 | 446 |
| 884 | European Union | 5 | 54 | 115 | 191 |
| 891 | landscapes | 2 | 53 | 231 | 220 |
| 891 | Approximation Theory | 6 | 53 | 306 | 379 |
| 891 | Birth control | 2 | 53 | 534 | 574 |
| 894 | mutation | 2 | 52 | 637 | 771 |
| 894 | Atherosclerosis | 1 | 52 | 269 | 245 |
| 894 | Brain damage | 2 | 52 | 445 | 498 |
| 894 | Mental Health Counseling | 4 | 52 | 81 | 101 |
| 898 | Telemedicine | 2 | 51 | 402 | 466 |
| 898 | Agricultural Biotechnology | 21 | 51 | 34 | 187 |
| 898 | Human-robot interaction | 3 | 51 | 55 | 96 |
| 898 | Relationships | 2 | 51 | 212 | 265 |
| 898 | vitamin C | 1 | 51 | 706 | 654 |
| 898 | vitamin E | 1 | 51 | 706 | 654 |
| 904 | Journalism | 5 | 50 | 411 | 510 |
| 904 | technology transfer | 1 | 50 | 556 | 417 |
| 904 | Plant breeding | 2 | 50 | 866 | 879 |
| 904 | Microbiota | 2 | 50 | 83 | 80 |
| 904 | disease vectors | 2 | 50 | 1072 | 1159 |
| 904 | Steroids | 2 | 50 | 997 | 1015 |
| 910 | Machine Learning | 1 | 49 | 573 | 411 |
| 910 | machinery | 2 | 49 | 1010 | 896 |
| 910 | thinking | 3 | 49 | 304 | 459 |
| 910 | social science | 1 | 49 | 322 | 321 |
| 910 | cryosphere | 1 | 49 | 528 | 485 |
| 910 | cell interaction | 3 | 49 | 918 | 1291 |
| 910 | Cell communication | 3 | 49 | 539 | 903 |
| 917 | Geriatric Medicine | 1 | 48 | 323 | 238 |
| 917 | Nanobiotechnology | 2 | 48 | 521 | 844 |
| 917 | Leukemia | 3 | 48 | 710 | 866 |
| 917 | Eastern Europe | 8 | 48 | 399 | 693 |
| 921 | Ergonomics | 1 | 47 | 1354 | 983 |
| 921 | income | 2 | 47 | 199 | 218 |
| 921 | Input-output analysis | 2 | 47 | 294 | 305 |
| 921 | Wealth | 2 | 47 | 199 | 218 |
| 921 | DNA polymerases | 3 | 47 | 347 | 736 |
| 921 | eugenics | 1 | 47 | 880 | 638 |
| 927 | Raman spectroscopy | 3 | 46 | 807 | 1010 |
| 927 | Catalysts | 2 | 46 | 855 | 854 |
| 929 | Magnetic Resonance Imaging | 6 | 45 | 253 | 495 |
| 929 | Waste management | 1 | 45 | 2068 | 1584 |
| 929 | Water Purification | 1 | 45 | 1736 | 1302 |
| 929 | Technological Innovations | 2 | 45 | 1318 | 1400 |
| 929 | Water quality management | 1 | 45 | 2519 | 1965 |
| 929 | industrial waste | 3 | 45 | 845 | 1558 |
| 929 | Textile industry | 4 | 45 | 403 | 469 |
| 936 | Labor Economics | 5 | 44 | 366 | 577 |
| 936 | Industrial Policy | 3 | 44 | 496 | 652 |
| 936 | Forest Management | 1 | 44 | 1354 | 1219 |
| 936 | masculinity | 3 | 44 | 60 | 182 |
| 940 | Restoration Ecology | 1 | 43 | 706 | 566 |
| 940 | Divorce | 1 | 43 | 296 | 159 |
| 940 | digital preservation | 1 | 43 | 158 | 101 |
| 940 | Chromatography | 4 | 43 | 1338 | 1736 |
| 940 | sports injuries | 4 | 43 | 433 | 641 |
| 945 | Biogeography | 2 | 42 | 1070 | 1351 |
| 945 | Community Psychology | 5 | 42 | 406 | 705 |
| 945 | Forensic Genetics | 3 | 42 | 224 | 347 |
| 945 | Particle Physics | 6 | 42 | 123 | 341 |
| 945 | Well-being | 2 | 42 | 206 | 214 |
| 945 | Feminism | 5 | 42 | 431 | 625 |
| 945 | Public Finance | 6 | 42 | 64 | 164 |
| 945 | Navier-Stokes equations | 2 | 42 | 215 | 146 |
| 953 | Computational Linguistics | 7 | 41 | 253 | 515 |
| 953 | Courts | 5 | 41 | 5 | 5 |
| 955 | Logic | 8 | 40 | 242 | 399 |
| 955 | Religion and Culture | 1 | 40 | 567 | 316 |
| 955 | Strategic planning | 7 | 40 | 421 | 1057 |
| 955 | Infrared spectroscopy | 1 | 40 | 686 | 512 |
| 955 | organizational effectiveness | 5 | 40 | 273 | 617 |
| 955 | Antarctica | 3 | 40 | 520 | 578 |
| 961 | Social Movements | 10 | 39 | 31 | 184 |
| 961 | School Psychology | 2 | 39 | 548 | 657 |
| 961 | Environmental Economics | 3 | 39 | 381 | 556 |
| 961 | Geochemistry | 4 | 39 | 1538 | 2163 |
| 961 | Mobile genetic elements | 1 | 39 | 209 | 191 |
| 961 | psychopathology | 1 | 39 | 460 | 442 |
| 961 | DNA | 1 | 39 | 971 | 768 |
| 968 | Hematology | 3 | 38 | 1442 | 1797 |
| 968 | school psychologists | 1 | 38 | 352 | 369 |
| 970 | administrative agencies | 1 | 37 | 539 | 381 |
| 970 | Elementary particles | 5 | 37 | 101 | 319 |
| 972 | Speech-Language Pathology | 3 | 36 | 268 | 406 |
| 972 | Evolutionary Psychology | 1 | 36 | 328 | 260 |
| 972 | Structural biology | 2 | 36 | 79 | 195 |
| 972 | Semiconductors | 3 | 36 | 2082 | 2288 |
| 972 | automatic speech recognition | 3 | 36 | 129 | 256 |
| 972 | cultural pluralism | 2 | 36 | 542 | 558 |
| 972 | Soviet Union | 1 | 36 | 1263 | 570 |
| 979 | Hydrology | 4 | 35 | 1966 | 2618 |
| 979 | Regional Economics | 1 | 35 | 815 | 636 |
| 979 | nuclear magnetic resonance spectroscopy | 5 | 35 | 567 | 796 |
| 979 | labor | 11 | 35 | 91 | 378 |
| 979 | Wind power | 1 | 35 | 529 | 394 |
| 979 | winds | 1 | 35 | 233 | 130 |
| 979 | information | 3 | 35 | 34 | 25 |
| 979 | NMR | 5 | 35 | 392 | 616 |
| 979 | magnetic resonance | 5 | 35 | 407 | 629 |
| 979 | Isotopes | 2 | 35 | 140 | 142 |
| 989 | Molecular Pharmacology | 1 | 34 | 1106 | 1229 |
| 989 | Radiation Protection | 3 | 34 | 618 | 570 |
| 989 | Solar Energy | 2 | 34 | 2000 | 2487 |
| 989 | radiation monitoring | 3 | 34 | 537 | 530 |
| 989 | solar power | 2 | 34 | 1002 | 1368 |
| 989 | embryonic development | 1 | 34 | 646 | 630 |
| 989 | crime victims | 1 | 34 | 339 | 243 |
| 989 | Solar System | 1 | 34 | 984 | 886 |
| 997 | Industrial Engineering | 5 | 33 | 1364 | 2264 |
| 997 | Tribology | 1 | 33 | 1593 | 1396 |
| 997 | Semantics | 4 | 33 | 180 | 283 |
| 997 | nuclear astrophysics | 1 | 33 | 743 | 647 |