| 1 | Physics | 792 | 64.1K | 498 | 423 |
| 2 | Condensed Matter | 590 | 24.6K | 177 | 159 |
| 3 | Solid State Physics | 542 | 22.1K | 216 | 170 |
| 4 | Science | 182 | 20.9K | 1,110 | 743 |
| 5 | Nuclear Physics | 486 | 20.6K | 404 | 370 |
| 6 | Neurology | 272 | 16.2K | 499 | 442 |
| 7 | Biology | 166 | 15.8K | 1,063 | 858 |
| 8 | Quantum Gravity | 272 | 14.1K | 240 | 214 |
| 9 | Astrophysics | 297 | 13.5K | 379 | 483 |
| 10 | Astronomy | 284 | 13.4K | 337 | 380 |
| 11 | Natural history | 35 | 9.6K | 821 | 681 |
| 12 | Neurophysiology | 148 | 9.1K | 312 | 286 |
| 13 | Statistical physics | 199 | 8.3K | 409 | 291 |
| 14 | Chemistry | 147 | 7.9K | 1,634 | 1,327 |
| 15 | Spectrum analysis | 103 | 7.7K | 723 | 538 |
| 16 | Earthquake Engineering | 144 | 6.6K | 88 | 66 |
| 17 | Mathematical Physics | 230 | 5.3K | 175 | 226 |
| 18 | Nonlinear Dynamics | 109 | 4.7K | 262 | 176 |
| 19 | Physiology | 103 | 4.6K | 616 | 531 |
| 20 | Nanotechnology | 69 | 4.4K | 1,092 | 887 |
| 21 | Research | 110 | 3.6K | 1,327 | 1,261 |
| 22 | Neurons | 13 | 3.4K | 247 | 206 |
| 23 | Neurobiology | 30 | 3.4K | 484 | 297 |
| 24 | Biochemistry | 88 | 3.4K | 1,828 | 1,640 |
| 25 | Molecular Biology | 85 | 3.2K | 1,534 | 1,513 |
| 26 | Nervous system | 49 | 3.1K | 493 | 381 |
| 27 | Medicine | 67 | 2.8K | 2,022 | 1,793 |
| 28 | Materials Science | 23 | 2.5K | 1,748 | 952 |
| 29 | Biophysics | 73 | 2.4K | 1,168 | 1,121 |
| 30 | Automation | 61 | 2.4K | 367 | 421 |
| 31 | nanoscience | 27 | 2.3K | 961 | 663 |
| 32 | Mathematics | 105 | 2.2K | 1,273 | 900 |
| 33 | Biotechnology | 29 | 2.1K | 1,887 | 1,375 |
| 34 | Physical Chemistry | 22 | 1.9K | 813 | 471 |
| 35 | Neurochemistry | 55 | 1.9K | 498 | 525 |
| 36 | Psychophysiology | 72 | 1.7K | 522 | 699 |
| 37 | Economics | 34 | 1.7K | 1,320 | 792 |
| 38 | Bioengineering | 23 | 1.7K | 1,475 | 1,105 |
| 39 | Biochemical Engineering | 12 | 1.5K | 1,658 | 1,132 |
| 39 | Brain | 52 | 1.5K | 607 | 680 |
| 41 | Human genetics | 4 | 1.5K | 1,262 | 949 |
| 42 | Neuropsychology | 63 | 1.5K | 396 | 501 |
| 43 | proteins | 47 | 1.4K | 363 | 394 |
| 44 | Cytology | 24 | 1.4K | 1,381 | 1,225 |
| 45 | protein | 43 | 1.4K | 171 | 216 |
| 46 | mathematical analysis | 50 | 1.3K | 622 | 338 |
| 47 | Cognition | 44 | 1.3K | 397 | 445 |
| 48 | Cerebral cortex | 39 | 1.2K | 170 | 249 |
| 49 | Computational Biology | 33 | 1.2K | 588 | 609 |
| 50 | Statistical Mechanics | 54 | 1.2K | 67 | 86 |
| 51 | Cognitive neuroscience | 24 | 1.2K | 292 | 323 |
| 52 | Nanostructures | 8 | 1.2K | 1,229 | 524 |
| 53 | Engineering | 30 | 1.1K | 1,343 | 866 |
| 53 | Polymers | 32 | 1.1K | 1,582 | 1,315 |
| 55 | Cell Biology | 23 | 1.1K | 1,342 | 1,375 |
| 56 | Structural dynamics | 32 | 1.0K | 203 | 284 |
| 57 | Psycholinguistics | 22 | 918 | 277 | 281 |
| 58 | Behavior | 39 | 906 | 772 | 1,148 |
| 59 | human behavior | 16 | 868 | 959 | 970 |
| 60 | Functional Analysis | 27 | 867 | 382 | 230 |
| 61 | Materials | 21 | 861 | 2,441 | 2,054 |
| 62 | Composite Materials | 17 | 851 | 1,165 | 1,022 |
| 63 | Molecules | 15 | 798 | 688 | 411 |
| 64 | Structural Engineering | 23 | 787 | 555 | 454 |
| 65 | Econometrics | 3 | 784 | 1,338 | 358 |
| 66 | Cognitive Science | 24 | 763 | 413 | 502 |
| 67 | Quantum theory | 24 | 761 | 288 | 217 |
| 68 | Psychology | 32 | 759 | 1,428 | 1,414 |
| 68 | Soil dynamics | 13 | 759 | 178 | 104 |
| 70 | Geophysics | 21 | 750 | 1,353 | 1,244 |
| 71 | Artificial Intelligence | 23 | 733 | 1,407 | 1,314 |
| 72 | Soft Condensed Matter | 26 | 729 | 309 | 329 |
| 73 | Genetic engineering | 16 | 710 | 800 | 723 |
| 74 | Mathematical Economics | 2 | 676 | 384 | 121 |
| 75 | Dynamics | 21 | 663 | 515 | 291 |
| 76 | Control Theory | 37 | 662 | 424 | 500 |
| 77 | Botany | 12 | 658 | 1,960 | 1,550 |
| 78 | Tribology | 6 | 640 | 806 | 303 |
| 79 | management | 8 | 639 | 2,149 | 1,432 |
| 80 | Differential Equations | 26 | 624 | 252 | 232 |
| 81 | Animal Behavior | 13 | 620 | 863 | 799 |
| 82 | Ethology | 11 | 604 | 730 | 713 |
| 83 | Colloids | 21 | 595 | 1,577 | 1,703 |
| 84 | Bacteriology | 11 | 594 | 886 | 823 |
| 85 | Plants | 7 | 587 | 1,336 | 864 |
| 86 | Meteorology | 8 | 574 | 1,279 | 950 |
| 87 | Molecular structure | 10 | 562 | 1,355 | 797 |
| 88 | behavioral medicine | 5 | 560 | 916 | 552 |
| 89 | polymerization | 15 | 555 | 1,838 | 1,502 |
| 90 | Memory | 13 | 552 | 738 | 646 |
| 91 | Nonlinear functional analysis | 23 | 527 | 287 | 251 |
| 92 | Developmental Biology | 8 | 519 | 1,067 | 912 |
| 93 | Engineering Mathematics | 17 | 516 | 698 | 495 |
| 94 | Ocean Engineering | 15 | 497 | 756 | 701 |
| 95 | Microelectronics | 15 | 486 | 777 | 838 |
| 96 | nucleic acids | 9 | 480 | 895 | 870 |
| 97 | Computational Fluid Dynamics | 11 | 471 | 261 | 177 |
| 98 | Linguistics | 22 | 461 | 436 | 419 |
| 99 | miniaturization | 12 | 460 | 870 | 964 |
| 100 | Systems Biology | 19 | 456 | 489 | 569 |
| 101 | Cell differentiation | 10 | 446 | 754 | 854 |
| 102 | Bioinformatics | 17 | 433 | 780 | 894 |
| 103 | Catalysis | 18 | 421 | 1,685 | 1,941 |
| 104 | Mechanics | 32 | 420 | 258 | 381 |
| 105 | Social behavior | 13 | 419 | 507 | 549 |
| 106 | Biocompatible Materials | 12 | 407 | 1,824 | 2,017 |
| 107 | Carbon | 5 | 394 | 997 | 824 |
| 108 | Biomedical Engineering | 15 | 389 | 2,262 | 2,344 |
| 109 | Pharmaceutical Chemistry | 11 | 384 | 1,858 | 1,703 |
| 110 | Psychiatry | 21 | 380 | 1,448 | 1,788 |
| 111 | plant molecular biology | 5 | 376 | 1,095 | 940 |
| 112 | Genetics | 5 | 373 | 2,400 | 1,787 |
| 113 | Surface Chemistry | 13 | 355 | 1,948 | 2,015 |
| 114 | Hippocampus | 3 | 348 | 283 | 178 |
| 115 | Fracture mechanics | 18 | 327 | 561 | 660 |
| 116 | brain mapping | 8 | 321 | 340 | 390 |
| 117 | System analysis | 21 | 318 | 841 | 1,116 |
| 118 | Random graphs | 1 | 314 | 257 | 47 |
| 119 | Numerical Analysis | 14 | 312 | 1,174 | 939 |
| 120 | biopolymers | 16 | 311 | 449 | 591 |
| 121 | Embryology | 8 | 308 | 819 | 856 |
| 122 | Mechanical Engineering | 11 | 306 | 1,339 | 923 |
| 123 | Growth | 8 | 301 | 619 | 783 |
| 124 | Nanostructured Materials | 14 | 298 | 1,522 | 1,806 |
| 125 | Public Health | 17 | 296 | 2,090 | 2,494 |
| 126 | Neuroplasticity | 2 | 294 | 328 | 84 |
| 126 | neuronal plasticity | 2 | 294 | 126 | 45 |
| 128 | Drug design | 7 | 290 | 926 | 808 |
| 129 | Pediatrics | 7 | 282 | 1,290 | 1,230 |
| 130 | Sleep Disorders | 22 | 280 | 446 | 706 |
| 130 | Sleep | 22 | 280 | 446 | 716 |
| 132 | Computer-Aided Design | 9 | 271 | 635 | 553 |
| 133 | Informatics | 14 | 267 | 298 | 444 |
| 134 | Social Sciences | 17 | 266 | 1,393 | 1,431 |
| 135 | energy conservation | 3 | 262 | 2,049 | 1,487 |
| 136 | Solid State Chemistry | 14 | 258 | 1,317 | 1,358 |
| 137 | Global Health | 2 | 255 | 1,298 | 372 |
| 137 | Environment | 10 | 255 | 2,623 | 3,507 |
| 139 | Health Policy | 7 | 253 | 1,284 | 1,051 |
| 139 | cell physiology | 8 | 253 | 811 | 970 |
| 141 | international cooperation | 2 | 251 | 745 | 303 |
| 142 | Developmental Psychology | 4 | 250 | 855 | 624 |
| 142 | Globalization | 2 | 250 | 738 | 240 |
| 142 | human development | 4 | 250 | 689 | 506 |
| 142 | genome | 9 | 250 | 742 | 1,038 |
| 146 | Cybernetics | 9 | 248 | 905 | 963 |
| 146 | World Wide Web | 1 | 248 | 836 | 94 |
| 148 | United States | 17 | 245 | 2,051 | 2,468 |
| 149 | Ecology | 13 | 242 | 3,057 | 4,033 |
| 150 | plasticity | 1 | 235 | 518 | 288 |
| 150 | Plastics | 1 | 235 | 2,353 | 848 |
| 150 | Cell death | 9 | 235 | 612 | 872 |
| 150 | Perception | 14 | 235 | 743 | 937 |
| 154 | Anatomy | 3 | 229 | 1,755 | 1,050 |
| 155 | Solar Energy | 5 | 222 | 1,376 | 1,273 |
| 156 | Microbiology | 6 | 221 | 3,758 | 3,592 |
| 157 | Seismology | 4 | 217 | 410 | 265 |
| 157 | Plant cells | 3 | 217 | 932 | 1,037 |
| 159 | Genomics | 6 | 209 | 1,917 | 1,814 |
| 160 | Smart Materials | 4 | 206 | 824 | 511 |
| 161 | Bioinorganic chemistry | 5 | 205 | 1,111 | 875 |
| 162 | Speech Disorders | 7 | 200 | 664 | 616 |
| 163 | Environmental Management | 6 | 198 | 2,105 | 2,384 |
| 163 | economic policy | 12 | 198 | 1,195 | 1,113 |
| 165 | Social Networks | 3 | 195 | 298 | 179 |
| 166 | natural disasters | 10 | 192 | 609 | 885 |
| 167 | Bioorganic chemistry | 6 | 190 | 1,939 | 1,854 |
| 168 | Structuralism | 2 | 189 | 199 | 139 |
| 169 | Data Mining | 8 | 185 | 538 | 669 |
| 169 | Nuclear Fusion | 8 | 185 | 317 | 285 |
| 171 | Statistics | 4 | 184 | 2,132 | 1,301 |
| 171 | Geodynamics | 6 | 184 | 630 | 650 |
| 173 | Membranes | 5 | 183 | 1,284 | 1,302 |
| 174 | Industrial Microbiology | 6 | 180 | 1,328 | 1,536 |
| 175 | Social work | 8 | 179 | 801 | 700 |
| 176 | Information Theory | 6 | 177 | 1,014 | 865 |
| 177 | Immunology | 6 | 175 | 1,906 | 1,969 |
| 178 | Pathology | 2 | 173 | 1,795 | 1,274 |
| 179 | Attention | 8 | 170 | 878 | 989 |
| 180 | biological evolution | 7 | 168 | 1,255 | 1,629 |
| 181 | Tunneling | 1 | 165 | 536 | 314 |
| 181 | underground construction | 1 | 165 | 536 | 314 |
| 183 | Social welfare | 6 | 164 | 379 | 304 |
| 184 | Technology | 9 | 163 | 2,148 | 2,372 |
| 185 | Archaeology | 9 | 160 | 736 | 745 |
| 186 | Regional Planning | 8 | 159 | 897 | 985 |
| 186 | finance | 5 | 159 | 1,897 | 1,506 |
| 188 | Genetic regulation | 5 | 158 | 742 | 833 |
| 189 | Pollution | 5 | 157 | 3,798 | 3,993 |
| 190 | Neuropsychiatry | 7 | 156 | 486 | 575 |
| 190 | hazard mitigation | 6 | 156 | 588 | 672 |
| 190 | Stem cells | 5 | 156 | 935 | 994 |
| 190 | Nonlinear mechanics | 4 | 156 | 366 | 251 |
| 194 | Cancer | 7 | 153 | 1,651 | 2,069 |
| 195 | Public Policy | 5 | 150 | 1,280 | 1,272 |
| 196 | Medical Laboratory Science | 4 | 149 | 1,585 | 1,645 |
| 197 | Pharmacology | 4 | 147 | 3,444 | 3,092 |
| 197 | Molecular Pharmacology | 4 | 147 | 700 | 752 |
| 199 | Technological Innovations | 4 | 146 | 919 | 802 |
| 199 | language | 7 | 146 | 496 | 618 |
| 201 | Structural design | 3 | 144 | 864 | 585 |
| 201 | Environmental Policy | 5 | 144 | 2,478 | 2,821 |
| 201 | Economic planning | 4 | 144 | 422 | 341 |
| 204 | Molecular cloning | 4 | 143 | 1,170 | 1,008 |
| 204 | Genetic recombination | 4 | 143 | 1,148 | 998 |
| 204 | Recombinant DNA | 4 | 143 | 1,210 | 1,059 |
| 207 | Radiography | 2 | 142 | 786 | 720 |
| 208 | Materials Engineering | 9 | 141 | 270 | 340 |
| 208 | Climatology | 7 | 141 | 1,137 | 1,395 |
| 208 | Chromosome mapping | 4 | 141 | 1,360 | 1,401 |
| 208 | gene mapping | 4 | 141 | 1,468 | 1,562 |
| 212 | Geometry | 17 | 137 | 474 | 508 |
| 212 | Solitons | 8 | 137 | 684 | 845 |
| 212 | Fractals | 8 | 137 | 687 | 850 |
| 212 | Chaos | 8 | 137 | 684 | 845 |
| 216 | Toxicology | 6 | 134 | 2,936 | 3,292 |
| 217 | Electronics | 3 | 133 | 2,961 | 2,116 |
| 218 | Physical organic chemistry | 4 | 132 | 1,260 | 1,034 |
| 218 | RNA | 2 | 132 | 576 | 480 |
| 220 | Fluid Mechanics | 5 | 131 | 1,168 | 1,025 |
| 220 | Energy Policy | 7 | 131 | 1,807 | 2,495 |
| 220 | Learning | 6 | 131 | 845 | 977 |
| 223 | Medical Physics | 1 | 129 | 1,905 | 1,191 |
| 223 | Environmental Health | 4 | 129 | 4,019 | 4,039 |
| 225 | mathematical concepts | 5 | 127 | 275 | 195 |
| 226 | Antibodies | 3 | 124 | 516 | 424 |
| 226 | Antigens | 3 | 124 | 661 | 543 |
| 228 | Nuclear Engineering | 5 | 123 | 1,126 | 876 |
| 229 | Operations Research | 6 | 119 | 1,598 | 1,657 |
| 230 | Neurolinguistics | 5 | 118 | 322 | 435 |
| 230 | Developmental Neurobiology | 5 | 118 | 389 | 392 |
| 230 | energy resources | 3 | 118 | 1,309 | 1,582 |
| 233 | Computational Chemistry | 3 | 116 | 688 | 595 |
| 233 | Entropy | 7 | 116 | 720 | 728 |
| 233 | Speech | 5 | 116 | 696 | 766 |
| 236 | cloning | 3 | 115 | 546 | 666 |
| 237 | Optical materials | 2 | 113 | 2,626 | 2,241 |
| 238 | Systems Engineering | 7 | 111 | 1,475 | 1,692 |
| 238 | Ceramic materials | 2 | 111 | 1,572 | 1,088 |
| 240 | Cytogenetics | 2 | 110 | 1,342 | 1,196 |
| 241 | Research Design | 4 | 109 | 934 | 986 |
| 241 | solar power | 2 | 109 | 1,005 | 917 |
| 241 | solar cells | 2 | 109 | 1,072 | 972 |
| 244 | Epidemiology | 9 | 108 | 1,902 | 2,573 |
| 244 | Atmospheric Physics | 3 | 108 | 1,410 | 1,342 |
| 244 | race relations | 2 | 108 | 732 | 435 |
| 247 | Medical genetics | 3 | 107 | 1,738 | 1,924 |
| 248 | analysis | 4 | 106 | 320 | 363 |
| 249 | Humanities | 6 | 105 | 1,295 | 1,056 |
| 249 | Atmospheric Chemistry | 2 | 105 | 940 | 926 |
| 251 | Evolutionary economics | 3 | 103 | 156 | 138 |
| 251 | Visual Perception | 7 | 103 | 881 | 1,136 |
| 251 | Population Dynamics | 3 | 103 | 173 | 161 |
| 254 | Technology Assessment | 1 | 101 | 859 | 552 |
| 255 | Nuclear Energy | 3 | 99 | 957 | 658 |
| 255 | Intelligence | 3 | 99 | 248 | 264 |
| 255 | Calculus of Variations | 7 | 99 | 341 | 361 |
| 255 | nuclear power | 3 | 99 | 462 | 249 |
| 259 | Agricultural Engineering | 2 | 98 | 536 | 430 |
| 259 | Natural resources | 3 | 98 | 724 | 772 |
| 261 | Regional Development | 3 | 97 | 264 | 247 |
| 261 | Development planning | 3 | 97 | 225 | 226 |
| 263 | Superconductors | 5 | 96 | 706 | 603 |
| 264 | Aging | 7 | 95 | 1,571 | 1,931 |
| 265 | Cardiovascular system | 1 | 94 | 1,496 | 1,394 |
| 265 | psychophysics | 3 | 94 | 360 | 261 |
| 267 | Surface-Active Agents | 1 | 93 | 1,733 | 1,296 |
| 267 | Surface properties | 1 | 93 | 1,779 | 1,354 |
| 267 | marketing | 2 | 93 | 2,140 | 1,770 |
| 270 | Social Psychology | 3 | 92 | 2,093 | 1,948 |
| 270 | Signal Transduction | 6 | 92 | 909 | 1,396 |
| 270 | Mental Disorders | 7 | 92 | 1,646 | 2,233 |
| 273 | Child psychology | 7 | 91 | 889 | 1,355 |
| 274 | Europe | 12 | 90 | 1,416 | 2,149 |
| 275 | Ophthalmology | 3 | 88 | 1,429 | 1,351 |
| 275 | Sustainable Development | 5 | 88 | 1,590 | 2,114 |
| 275 | Semiconductors | 4 | 88 | 1,885 | 1,677 |
| 275 | Planets | 2 | 88 | 1,494 | 1,492 |
| 279 | Critical Care | 1 | 86 | 1,542 | 1,320 |
| 279 | Critical Care Medicine | 1 | 86 | 1,455 | 1,296 |
| 279 | Oncogenes | 1 | 86 | 1,168 | 1,150 |
| 282 | Environmental Engineering | 2 | 85 | 3,873 | 3,399 |
| 282 | Economic Development | 3 | 85 | 1,522 | 1,533 |
| 282 | Vision | 2 | 85 | 725 | 667 |
| 285 | personality | 1 | 84 | 2,043 | 1,539 |
| 286 | Business Ethics | 2 | 83 | 1,189 | 1,336 |
| 287 | Manufacturing Processes | 1 | 82 | 2,859 | 1,981 |
| 287 | Production Engineering | 1 | 82 | 2,616 | 1,600 |
| 287 | sanitation | 1 | 82 | 1,983 | 1,859 |
| 290 | Child Development | 3 | 80 | 1,618 | 1,696 |
| 291 | Agricultural Chemistry | 2 | 79 | 2,428 | 2,187 |
| 291 | Mental Health | 8 | 79 | 896 | 1,380 |
| 293 | Ethnic relations | 1 | 78 | 1,049 | 421 |
| 293 | Ethnic Conflict | 1 | 78 | 466 | 287 |
| 293 | environmental pollution | 5 | 78 | 3,189 | 4,060 |
| 293 | forced migration | 1 | 78 | 466 | 287 |
| 293 | Microstructure | 3 | 78 | 964 | 676 |
| 298 | Intelligent Transportation Systems | 3 | 74 | 1,085 | 1,259 |
| 299 | Hydrology | 5 | 73 | 1,852 | 2,203 |
| 299 | Cosmology | 4 | 73 | 556 | 596 |
| 299 | Simulation Methods | 3 | 73 | 1,037 | 969 |
| 299 | Host-parasite interactions | 2 | 73 | 1,265 | 1,408 |
| 299 | Virulence | 2 | 73 | 1,105 | 1,330 |
| 299 | Immunity | 2 | 73 | 1,631 | 1,803 |
| 305 | Sports Medicine | 1 | 72 | 3,066 | 1,903 |
| 305 | Small Business | 5 | 72 | 571 | 1,076 |
| 305 | Physical fitness | 1 | 72 | 1,541 | 1,098 |
| 305 | Mental illness | 5 | 72 | 1,277 | 1,818 |
| 309 | Nutrition | 2 | 71 | 3,784 | 3,508 |
| 309 | Tourism | 3 | 71 | 1,653 | 1,899 |
| 309 | Medical Anthropology | 2 | 71 | 1,357 | 1,455 |
| 309 | enzymes | 3 | 71 | 1,368 | 1,532 |
| 313 | health services accessibility | 3 | 70 | 886 | 917 |
| 313 | Microscopy | 2 | 70 | 1,627 | 1,164 |
| 315 | environmental indicators | 2 | 69 | 1,381 | 1,539 |
| 315 | Alzheimer's disease | 3 | 69 | 1,201 | 976 |
| 315 | Evolution | 4 | 69 | 1,467 | 1,832 |
| 318 | Computer Science | 9 | 68 | 1,170 | 1,733 |
| 318 | radioactive waste | 1 | 68 | 1,354 | 1,399 |
| 318 | industrial waste | 1 | 68 | 1,404 | 1,399 |
| 318 | Hazardous waste | 1 | 68 | 1,558 | 1,467 |
| 322 | Optics | 11 | 67 | 2,308 | 2,957 |
| 323 | Sociology | 6 | 66 | 2,101 | 2,696 |
| 323 | older people | 7 | 66 | 968 | 1,182 |
| 325 | Oncology | 3 | 65 | 1,731 | 2,235 |
| 326 | Knowledge | 9 | 63 | 273 | 402 |
| 326 | animals | 3 | 63 | 1,229 | 1,094 |
| 326 | Liposomes | 3 | 63 | 589 | 692 |
| 326 | Lipid bilayers | 3 | 63 | 497 | 567 |
| 330 | Crystallography | 7 | 62 | 1,137 | 1,056 |
| 330 | Intelligent Control Systems | 1 | 62 | 1,970 | 870 |
| 332 | Medical Ethics | 4 | 60 | 942 | 977 |
| 333 | Substance Abuse | 3 | 59 | 1,259 | 1,351 |
| 334 | Neural circuitry | 2 | 58 | 2,315 | 2,328 |
| 334 | Atomic spectroscopy | 2 | 58 | 1,295 | 1,095 |
| 336 | Information Systems | 1 | 57 | 2,194 | 1,590 |
| 336 | Nanoelectronics | 4 | 57 | 664 | 680 |
| 336 | Machine Learning | 2 | 57 | 413 | 397 |
| 336 | Psychometrics | 1 | 57 | 658 | 493 |
| 336 | Schizophrenia | 6 | 57 | 624 | 1,083 |
| 336 | Communication | 3 | 57 | 2,038 | 2,056 |
| 336 | Semiconductor industry | 4 | 57 | 483 | 538 |
| 343 | Clinical Chemistry | 2 | 56 | 2,451 | 2,514 |
| 343 | structural stability | 1 | 56 | 518 | 474 |
| 345 | Algebra | 1 | 55 | 2,008 | 1,039 |
| 345 | Discourse Analysis | 2 | 55 | 494 | 459 |
| 347 | Histology | 3 | 54 | 1,612 | 1,921 |
| 347 | Business | 4 | 54 | 1,886 | 2,470 |
| 349 | Antioxidants | 1 | 53 | 1,076 | 1,075 |
| 349 | free radicals | 1 | 53 | 1,666 | 1,668 |
| 349 | vitamin C | 1 | 53 | 713 | 654 |
| 349 | vitamin E | 1 | 53 | 713 | 654 |
| 353 | Computer Vision | 2 | 52 | 1,328 | 1,372 |
| 354 | Molecular Genetics | 2 | 50 | 1,817 | 2,152 |
| 354 | Renewable Energy Sources | 2 | 50 | 2,861 | 3,384 |
| 354 | Solar System | 5 | 50 | 560 | 825 |
| 357 | Medical Technology | 2 | 49 | 1,796 | 1,819 |
| 357 | Virology | 1 | 49 | 3,025 | 2,817 |
| 357 | Health | 2 | 49 | 2,347 | 2,179 |
| 357 | Entrepreneurship | 3 | 49 | 1,016 | 1,468 |
| 357 | Medical innovations | 2 | 49 | 993 | 1,424 |
| 357 | cell interaction | 3 | 49 | 932 | 1,336 |
| 357 | United Kingdom | 2 | 49 | 1,546 | 1,565 |
| 364 | Quantum Mechanics | 5 | 48 | 102 | 104 |
| 364 | Neurotransmitters | 2 | 48 | 400 | 525 |
| 364 | energy development | 1 | 48 | 1,537 | 1,276 |
| 367 | Anthropology | 3 | 47 | 1,466 | 1,461 |
| 367 | Metallurgy | 4 | 47 | 1,871 | 2,072 |
| 367 | Child | 2 | 47 | 2,321 | 2,203 |
| 367 | Social Issues | 2 | 47 | 336 | 385 |
| 367 | Social policy | 1 | 47 | 1,641 | 1,103 |
| 367 | planning | 1 | 47 | 1,351 | 925 |
| 373 | Economic History | 6 | 46 | 2,281 | 2,830 |
| 373 | health behavior | 1 | 46 | 1,363 | 1,111 |
| 373 | big data | 3 | 46 | 635 | 843 |
| 376 | Computer Graphics | 1 | 45 | 2,332 | 1,832 |
| 376 | Experimental Psychology | 4 | 45 | 515 | 705 |
| 376 | Image Processing | 1 | 45 | 2,799 | 2,328 |
| 376 | Water | 2 | 45 | 2,583 | 2,973 |
| 376 | Plant diseases | 2 | 45 | 2,056 | 1,998 |
| 381 | sustainability | 2 | 44 | 1,107 | 1,381 |
| 381 | innovation | 2 | 44 | 755 | 1,019 |
| 383 | Remote Sensing | 9 | 43 | 820 | 1,467 |
| 383 | Environmental monitoring | 4 | 43 | 3,150 | 4,250 |
| 383 | Gene expression regulation | 2 | 43 | 1,057 | 1,157 |
| 383 | Gerontology | 5 | 43 | 1,368 | 1,830 |
| 387 | Algorithms | 1 | 42 | 1,231 | 808 |
| 388 | Environmental Toxicology | 1 | 40 | 3,184 | 3,098 |
| 388 | Hydrodynamics | 3 | 40 | 554 | 788 |
| 388 | peptides | 3 | 40 | 793 | 1,011 |
| 388 | Nonlinear systems | 5 | 40 | 456 | 762 |
| 392 | Metabolism | 2 | 39 | 2,154 | 2,632 |
| 392 | Signal Processing | 1 | 39 | 3,036 | 2,705 |
| 392 | Photogrammetry | 7 | 39 | 492 | 562 |
| 392 | Logic Programming | 9 | 39 | 144 | 309 |
| 392 | Watershed management | 2 | 39 | 300 | 282 |
| 392 | Dementia | 2 | 39 | 1,359 | 1,107 |
| 392 | mental processes | 4 | 39 | 291 | 435 |
| 392 | Emotions | 4 | 39 | 520 | 898 |
| 400 | Land Use Planning | 3 | 38 | 382 | 645 |
| 400 | Dyslexia | 1 | 38 | 304 | 281 |
| 400 | water supply | 1 | 38 | 1,312 | 1,288 |
| 400 | Reproduction | 3 | 38 | 1,846 | 2,209 |
| 400 | Consciousness | 2 | 38 | 598 | 618 |
| 405 | Robotics | 3 | 37 | 1,642 | 1,951 |
| 405 | Finite Element Method | 2 | 37 | 427 | 483 |
| 405 | medical education | 2 | 37 | 1,873 | 1,938 |
| 408 | Nanochemistry | 2 | 36 | 1,537 | 1,750 |
| 408 | Quantum Computing | 4 | 36 | 153 | 296 |
| 408 | Coastal zone management | 2 | 36 | 837 | 1,028 |
| 408 | emergency management | 4 | 36 | 579 | 1,069 |
| 408 | Marine resources | 2 | 36 | 839 | 1,088 |
| 413 | Language Disorders | 2 | 35 | 924 | 991 |
| 413 | Environmental Psychology | 1 | 35 | 661 | 771 |
| 413 | Enteral nutrition | 1 | 35 | 1,117 | 1,194 |
| 413 | Parenteral nutrition | 1 | 35 | 1,255 | 1,306 |
| 413 | children | 1 | 35 | 803 | 687 |
| 418 | World Bank | 1 | 34 | 110 | 138 |
| 418 | Organelle biogenesis | 1 | 34 | 396 | 362 |
| 418 | Information Science | 2 | 34 | 2,942 | 3,154 |
| 418 | Developing countries | 1 | 34 | 3,272 | 2,777 |
| 422 | Geriatrics | 7 | 33 | 1,702 | 2,863 |
| 422 | Game Theory | 4 | 33 | 483 | 665 |
| 422 | Cognitive Psychology | 3 | 33 | 451 | 553 |
| 422 | Medical Microbiology | 1 | 33 | 2,512 | 2,662 |
| 422 | Geochemistry | 2 | 33 | 2,021 | 2,354 |
| 422 | Electrochemistry | 3 | 33 | 3,201 | 3,445 |
| 422 | China | 2 | 33 | 3,102 | 3,270 |
| 429 | Organizational change | 3 | 32 | 755 | 1,095 |
| 429 | Corporate Social Responsibility | 1 | 32 | 645 | 853 |
| 429 | environmental auditing | 1 | 32 | 668 | 864 |
| 429 | Plant physiology | 4 | 32 | 1,756 | 2,657 |
| 429 | Strategic planning | 4 | 32 | 671 | 1,164 |
| 429 | Food | 3 | 32 | 2,854 | 3,790 |
| 429 | Proteome | 2 | 32 | 1,174 | 1,555 |
| 429 | X-ray crystallography | 6 | 32 | 374 | 610 |
| 429 | feeding behavior | 3 | 32 | 697 | 1,165 |
| 429 | computer networks | 4 | 32 | 2,079 | 2,821 |
| 429 | Cell communication | 2 | 32 | 705 | 1,062 |
| 429 | Appetite | 3 | 32 | 618 | 1,067 |
| 441 | Water pollution | 2 | 31 | 2,791 | 3,340 |
| 441 | Combinatorial chemistry | 1 | 31 | 1,102 | 1,234 |
| 441 | Waste management | 1 | 31 | 2,141 | 1,906 |
| 441 | Water Purification | 1 | 31 | 1,795 | 1,579 |
| 441 | Water quality management | 1 | 31 | 2,629 | 2,343 |
| 441 | Therapeutics | 2 | 31 | 1,565 | 1,975 |
| 447 | embryonic development | 1 | 30 | 663 | 687 |
| 447 | Drug delivery systems | 1 | 30 | 2,109 | 2,152 |
| 447 | Drug delivery devices | 1 | 30 | 479 | 638 |
| 447 | Multimedia Systems | 5 | 30 | 1,427 | 2,201 |
| 447 | ethnic groups | 1 | 30 | 595 | 562 |
| 447 | fusion reactors | 3 | 30 | 384 | 429 |
| 453 | Project Management | 1 | 29 | 510 | 713 |
| 453 | Wildlife conservation | 1 | 29 | 1,560 | 1,669 |
| 453 | Nanoparticles | 1 | 29 | 2,531 | 2,484 |
| 453 | machinery | 1 | 29 | 1,310 | 1,123 |
| 457 | Historic Preservation | 2 | 28 | 165 | 194 |
| 457 | Magnetohydrodynamics | 1 | 28 | 354 | 313 |
| 457 | Human evolution | 1 | 28 | 646 | 748 |
| 457 | Organometallic compounds | 1 | 28 | 1,848 | 1,768 |
| 457 | Fuzzy systems | 2 | 28 | 2,036 | 2,021 |
| 457 | data protection | 3 | 28 | 599 | 872 |
| 463 | Electrical Engineering | 8 | 27 | 2,012 | 2,941 |
| 463 | elasticity | 1 | 27 | 425 | 353 |
| 463 | Communication Disorders | 2 | 27 | 397 | 436 |
| 463 | Reading | 2 | 27 | 693 | 865 |
| 463 | Maps | 2 | 27 | 206 | 275 |
| 463 | health planning | 3 | 27 | 2,185 | 2,829 |
| 463 | Eigenvalues | 6 | 27 | 138 | 120 |
| 470 | Marine Biology | 2 | 26 | 2,593 | 3,080 |
| 470 | Obstetrics | 3 | 26 | 1,774 | 2,397 |
| 470 | Thermodynamics | 2 | 26 | 1,509 | 1,445 |
| 470 | Combinatorial optimization | 4 | 26 | 446 | 630 |
| 470 | Change management | 2 | 26 | 148 | 197 |
| 470 | soil microbiology | 1 | 26 | 2,007 | 2,351 |
| 470 | Soil biology | 1 | 26 | 1,254 | 1,486 |
| 470 | Mental Health Services | 3 | 26 | 1,077 | 1,636 |
| 470 | Continuum Mechanics | 2 | 26 | 224 | 278 |
| 470 | pain | 1 | 26 | 1,664 | 1,705 |
| 470 | sex differences | 1 | 26 | 287 | 345 |
| 481 | Philosophy | 9 | 25 | 946 | 1,201 |
| 481 | Endocrinology | 1 | 25 | 3,007 | 3,115 |
| 481 | Telecommunication Systems | 1 | 25 | 2,343 | 1,995 |
| 481 | Developmental Genetics | 1 | 25 | 655 | 817 |
| 481 | Hormones | 1 | 25 | 1,562 | 1,666 |
| 486 | Macroeconomics | 1 | 24 | 658 | 559 |
| 486 | Databases | 2 | 24 | 446 | 542 |
| 486 | Health Education | 2 | 24 | 2,031 | 2,340 |
| 486 | Transportation | 2 | 24 | 1,818 | 2,176 |
| 486 | Biodiversity conservation | 2 | 24 | 1,706 | 2,297 |
| 486 | Neuropharmacology | 2 | 24 | 699 | 948 |
| 486 | Telecommunication | 2 | 24 | 2,806 | 2,984 |
| 493 | Biosensors | 1 | 23 | 1,782 | 2,239 |
| 493 | Geomagnetism | 1 | 23 | 816 | 870 |
| 493 | speech therapy | 1 | 23 | 622 | 581 |
| 493 | Venture Capital | 1 | 23 | 502 | 650 |
| 493 | Reproductive toxicology | 1 | 23 | 715 | 848 |
| 493 | Bioelectronics | 1 | 23 | 1,593 | 2,039 |
| 493 | Sun | 4 | 23 | 284 | 476 |
| 500 | Chemical Engineering | 3 | 22 | 3,627 | 4,602 |
| 500 | Graph Theory | 2 | 22 | 932 | 813 |
| 500 | Geriatric Psychiatry | 2 | 22 | 1,055 | 1,455 |
| 500 | Molecular evolution | 2 | 22 | 1,696 | 2,394 |
| 500 | Access to Information | 1 | 22 | 461 | 568 |
| 500 | organizational effectiveness | 2 | 22 | 597 | 827 |
| 500 | Biometrics | 1 | 22 | 1,403 | 1,290 |
| 500 | Information dissemination | 1 | 22 | 461 | 568 |
| 508 | Hydraulic Engineering | 1 | 21 | 1,291 | 1,284 |
| 508 | Political Sociology | 1 | 21 | 800 | 708 |
| 508 | Regional Economics | 1 | 21 | 819 | 810 |
| 508 | Psychopharmacology | 2 | 21 | 1,410 | 1,879 |
| 508 | Radiation | 2 | 21 | 2,382 | 2,696 |
| 508 | Industrial Policy | 2 | 21 | 618 | 849 |
| 508 | Social Change | 1 | 21 | 1,667 | 2,044 |
| 508 | Performance | 2 | 21 | 372 | 519 |
| 508 | Europa | 1 | 21 | 835 | 854 |
| 517 | Education | 3 | 20 | 3,426 | 4,029 |
| 517 | Hematology | 2 | 20 | 1,747 | 2,178 |
| 517 | Pharmacogenetics | 1 | 20 | 1,221 | 1,397 |
| 517 | Operator theory | 3 | 20 | 458 | 535 |
| 517 | technology transfer | 1 | 20 | 563 | 655 |
| 517 | Biomechanics | 1 | 20 | 1,875 | 1,952 |
| 517 | Gene expression | 1 | 20 | 465 | 544 |
| 517 | Cell division | 1 | 20 | 624 | 796 |
| 517 | motivation | 1 | 20 | 665 | 756 |
| 517 | Investment analysis | 1 | 20 | 1,590 | 1,525 |
| 517 | Emotion | 1 | 20 | 414 | 533 |
| 517 | Genetic therapy | 1 | 20 | 1,239 | 1,451 |
| 517 | Genes | 1 | 20 | 1,579 | 1,662 |
| 530 | Organic Chemistry | 1 | 19 | 3,462 | 3,474 |
| 530 | Neurotoxicology | 2 | 19 | 705 | 1,274 |
| 530 | Forecasting | 1 | 19 | 962 | 945 |
| 530 | Autism | 1 | 19 | 1,008 | 1,209 |
| 534 | Radiopharmaceuticals | 1 | 18 | 513 | 367 |
| 534 | Inflammation | 1 | 18 | 1,499 | 1,846 |
| 534 | visualization | 6 | 18 | 953 | 1,414 |
| 534 | Radioisotopes | 1 | 18 | 1,606 | 1,437 |
| 534 | Respiration | 1 | 18 | 1,772 | 2,011 |
| 539 | Arts | 1 | 17 | 836 | 519 |
| 539 | Health Services Administration | 1 | 17 | 1,652 | 1,765 |
| 539 | Rural Development | 1 | 17 | 913 | 1,012 |
| 539 | Cell adhesion | 1 | 17 | 313 | 442 |
| 539 | plant viruses | 1 | 17 | 370 | 510 |
| 539 | Cell surface receptors | 1 | 17 | 267 | 306 |
| 545 | Information Technology | 4 | 16 | 2,162 | 3,501 |
| 545 | Economic Geography | 2 | 16 | 479 | 698 |
| 545 | Historical Linguistics | 1 | 16 | 175 | 153 |
| 545 | Naval Architecture | 1 | 16 | 712 | 604 |
| 545 | Information Retrieval | 3 | 16 | 458 | 938 |
| 545 | Corporate governance | 1 | 16 | 1,105 | 1,316 |
| 545 | corporate culture | 1 | 16 | 420 | 566 |
| 545 | Primates | 1 | 16 | 1,030 | 1,129 |
| 553 | Political Science | 2 | 15 | 1,868 | 1,947 |
| 553 | Environmental Geology | 2 | 15 | 1,911 | 2,631 |
| 553 | Medical Oncology | 1 | 15 | 1,859 | 2,178 |
| 553 | Ecohydrology | 1 | 15 | 719 | 800 |
| 553 | Politics | 2 | 15 | 584 | 663 |
| 553 | Travel | 1 | 15 | 1,327 | 1,454 |
| 553 | Crisis management | 1 | 15 | 333 | 378 |
| 553 | government | 2 | 15 | 641 | 774 |
| 553 | ecotourism | 1 | 15 | 474 | 713 |
| 553 | Soviet Union | 2 | 15 | 898 | 968 |
| 553 | Aquatic ecology | 1 | 15 | 1,438 | 1,574 |
| 564 | Public Administration | 1 | 14 | 2,033 | 1,943 |
| 564 | Superconductivity | 1 | 14 | 710 | 723 |
| 564 | European integration | 1 | 14 | 373 | 423 |
| 564 | thinking | 1 | 14 | 647 | 822 |
| 564 | econometric models | 2 | 14 | 833 | 1,291 |
| 564 | Comparative linguistics | 5 | 14 | 7 | 19 |
| 564 | European Economic Community | 1 | 14 | 373 | 423 |
| 564 | Metals | 1 | 14 | 2,599 | 2,673 |
| 564 | Vaccines | 1 | 14 | 2,196 | 2,583 |
| 573 | Clinical Biochemistry | 1 | 13 | 1,537 | 1,727 |
| 573 | Photochemistry | 1 | 13 | 2,367 | 2,774 |
| 573 | Wireless Communication Systems | 2 | 13 | 2,472 | 3,068 |
| 573 | Bioethics | 2 | 13 | 1,084 | 1,475 |
| 573 | Cognitive Therapy | 1 | 13 | 993 | 1,218 |
| 573 | mass transfer | 2 | 13 | 1,886 | 2,516 |
| 573 | International Finance | 1 | 13 | 2,241 | 2,479 |
| 573 | Astrocytes | 1 | 13 | 652 | 905 |
| 573 | Light | 1 | 13 | 1,296 | 1,632 |
| 582 | Industrial Engineering | 1 | 12 | 2,509 | 2,865 |
| 582 | Geriatric Medicine | 1 | 12 | 324 | 473 |
| 582 | Geomorphology | 2 | 12 | 1,527 | 2,315 |
| 582 | Language Acquisition | 1 | 12 | 613 | 670 |
| 582 | Applied Linguistics | 2 | 12 | 765 | 995 |
| 582 | Phonetics | 1 | 12 | 534 | 648 |
| 582 | Language Development | 1 | 12 | 239 | 308 |
| 582 | Photonics | 1 | 12 | 2,313 | 2,657 |
| 582 | Stochastic Processes | 2 | 12 | 1,157 | 1,580 |
| 582 | Feminist theory | 1 | 12 | 398 | 414 |
| 582 | Obesity | 1 | 12 | 2,265 | 2,871 |
| 582 | Digital humanities | 1 | 12 | 226 | 269 |
| 582 | Group decision making | 1 | 12 | 824 | 967 |
| 582 | Food preferences | 1 | 12 | 679 | 911 |
| 596 | Labor Economics | 2 | 11 | 625 | 913 |
| 596 | gene therapy | 1 | 11 | 1,236 | 1,626 |
| 596 | Adaptive control systems | 1 | 11 | 1,027 | 1,166 |
| 596 | industrial relations | 1 | 11 | 1,340 | 1,508 |
| 596 | Algal blooms | 1 | 11 | 477 | 740 |
| 596 | Cyanobacteria | 1 | 11 | 477 | 740 |
| 596 | Australia | 1 | 11 | 2,780 | 2,989 |
| 596 | microalgae | 1 | 11 | 477 | 740 |
| 604 | Photography | 5 | 10 | 855 | 995 |
| 604 | Comparative Physiology | 1 | 10 | 1,111 | 1,438 |
| 604 | Educational Psychology | 1 | 10 | 2,057 | 2,397 |
| 604 | Sustainable agriculture | 1 | 10 | 1,288 | 1,650 |
| 604 | Flood control | 1 | 10 | 577 | 762 |
| 604 | irrigation | 1 | 10 | 607 | 760 |
| 604 | Asia | 1 | 10 | 4,081 | 4,199 |
| 604 | drainage | 1 | 10 | 528 | 606 |
| 604 | atmospheric models | 1 | 10 | 874 | 1,173 |
| 604 | Detectors | 1 | 10 | 2,192 | 2,591 |
| 604 | Minerals | 1 | 10 | 1,427 | 1,836 |
| 615 | Transportation Engineering | 1 | 9 | 529 | 731 |
| 615 | Human Geography | 1 | 9 | 1,675 | 1,916 |
| 615 | Human-Computer Interaction | 3 | 9 | 1,534 | 2,850 |
| 615 | Climate change | 1 | 9 | 1,426 | 2,034 |
| 615 | Feminism | 1 | 9 | 1,006 | 1,099 |
| 615 | Synaptic Transmission | 1 | 9 | 690 | 954 |
| 615 | nuclear magnetic resonance | 2 | 9 | 1,048 | 1,408 |
| 615 | Public Finance | 2 | 9 | 258 | 438 |
| 615 | Magnetic Resonance Spectroscopy | 2 | 9 | 1,218 | 1,655 |
| 615 | Transport | 1 | 9 | 949 | 1,307 |
| 615 | Parkinson's disease | 1 | 9 | 420 | 646 |
| 615 | probabilities | 2 | 9 | 1,484 | 1,727 |
| 615 | city planning | 2 | 9 | 1,858 | 2,758 |
| 615 | drug addiction | 1 | 9 | 1,454 | 1,904 |
| 615 | alcoholism | 1 | 9 | 1,837 | 2,303 |
| 615 | Protein engineering | 1 | 9 | 371 | 568 |
| 615 | molecular design | 1 | 9 | 412 | 577 |
| 632 | Ethics | 2 | 8 | 1,125 | 1,811 |
| 632 | Energy Storage | 2 | 8 | 1,473 | 2,241 |
| 632 | Crystallization | 1 | 8 | 800 | 894 |
| 632 | digital preservation | 1 | 8 | 158 | 284 |
| 632 | Earthquakes | 1 | 8 | 623 | 772 |
| 632 | plasma | 1 | 8 | 204 | 271 |
| 632 | software | 1 | 8 | 1,590 | 2,125 |
| 632 | Decision making | 1 | 8 | 2,253 | 2,753 |
| 640 | Industrial Statistics | 1 | 7 | 477 | 555 |
| 640 | Ethnoarchaeology | 1 | 7 | 343 | 503 |
| 640 | monoclonal antibodies | 1 | 7 | 480 | 634 |
| 640 | Synthetic biology | 1 | 7 | 524 | 774 |
| 640 | lasers | 2 | 7 | 2,339 | 3,125 |
| 640 | pigments | 1 | 7 | 1,389 | 1,847 |
| 646 | Applied Sciences | 1 | 6 | 55 | 126 |
| 646 | Soil Science | 1 | 6 | 2,537 | 3,131 |
| 646 | Urban Policy | 1 | 6 | 1,420 | 1,973 |
| 646 | Sociolinguistics | 1 | 6 | 781 | 961 |
| 646 | Comparative Psychology | 1 | 6 | 252 | 435 |
| 646 | Applied Mechanics | 1 | 6 | 55 | 126 |
| 646 | Liquid Crystals | 1 | 6 | 1,320 | 1,403 |
| 646 | Hematopoietic stem cell transplantation | 1 | 6 | 646 | 943 |
| 646 | Online social networks | 1 | 6 | 635 | 970 |
| 646 | Second Language Acquisition | 1 | 6 | 377 | 654 |
| 646 | Mycology | 1 | 6 | 2,047 | 2,552 |
| 646 | Earth Sciences | 3 | 6 | 2,971 | 4,520 |
| 646 | Human Resources | 1 | 6 | 842 | 1,332 |
| 646 | Fungi | 1 | 6 | 1,434 | 1,910 |
| 660 | ethnicity | 2 | 5 | 869 | 1,394 |
| 660 | Nationalism | 2 | 5 | 443 | 777 |
| 660 | Energy Consumption | 1 | 5 | 710 | 1,158 |
| 660 | Geriatric Oncology | 1 | 5 | 815 | 1,234 |
| 660 | Art and Design | 1 | 5 | 62 | 124 |
| 660 | War and Society | 1 | 5 | 369 | 534 |
| 660 | warfare | 1 | 5 | 495 | 772 |
| 660 | Russia | 2 | 5 | 269 | 314 |
| 660 | peace | 1 | 5 | 780 | 974 |
| 660 | design | 1 | 5 | 542 | 602 |
| 670 | Geography | 1 | 4 | 2,745 | 3,471 |
| 670 | Audiology | 1 | 4 | 1,023 | 1,343 |
| 670 | Urban Economics | 1 | 4 | 593 | 851 |
| 670 | Cartography | 1 | 4 | 865 | 1,066 |
| 670 | Community Psychiatry | 1 | 4 | 1,398 | 2,061 |
| 670 | Geodesy | 1 | 4 | 1,298 | 1,855 |
| 670 | Diagnostic Imaging | 2 | 4 | 1,916 | 2,953 |
| 670 | Multiphase Flow | 2 | 4 | 481 | 948 |
| 670 | Urbanization | 1 | 4 | 412 | 695 |
| 670 | Ethnology | 1 | 4 | 2,235 | 2,607 |
| 670 | stability | 2 | 4 | 134 | 309 |
| 670 | Population | 1 | 4 | 1,411 | 2,036 |
| 670 | Culture | 2 | 4 | 1,290 | 2,033 |
| 670 | Psychiatric hospitals | 1 | 4 | 422 | 600 |
| 670 | Bones | 1 | 4 | 970 | 1,402 |
| 670 | Radiation effects | 2 | 4 | 814 | 1,617 |
| 670 | Birth control | 1 | 4 | 779 | 1,251 |
| 687 | Zoology | 1 | 3 | 3,188 | 3,844 |
| 687 | Geology | 1 | 3 | 3,356 | 4,094 |
| 687 | Atmospheric Science | 1 | 3 | 342 | 563 |
| 687 | Database Management | 1 | 3 | 1,134 | 1,578 |
| 687 | Mobile Computing | 1 | 3 | 1,677 | 2,193 |
| 687 | Energy Conversion | 1 | 3 | 1,669 | 2,221 |
| 687 | Green Chemistry | 1 | 3 | 2,235 | 3,028 |
| 687 | Sustainable Engineering | 1 | 3 | 2,319 | 3,142 |
| 687 | Environmental Law | 1 | 3 | 1,602 | 2,298 |
| 687 | Philosophy of Mind | 1 | 3 | 511 | 717 |
| 687 | Plant Ecology | 1 | 3 | 2,329 | 3,139 |
| 687 | environmental protection | 1 | 3 | 4,468 | 5,565 |
| 687 | Energy Harvesting | 1 | 3 | 672 | 1,017 |
| 687 | Migration | 1 | 3 | 410 | 737 |
| 687 | Agricultural systems | 1 | 3 | 542 | 994 |
| 687 | weather | 1 | 3 | 1,015 | 1,646 |
| 703 | Logic | 1 | 2 | 731 | 944 |
| 703 | Organizational Sociology | 1 | 2 | 624 | 984 |
| 703 | International Law | 3 | 2 | 417 | 668 |
| 703 | Forest Ecology | 1 | 2 | 1,478 | 2,161 |
| 703 | income distribution | 1 | 2 | 316 | 532 |
| 703 | Virtual reality | 1 | 2 | 760 | 1,199 |
| 703 | Arboriculture | 1 | 2 | 109 | 185 |
| 703 | poverty | 1 | 2 | 804 | 1,412 |
| 703 | nuclear astrophysics | 1 | 2 | 744 | 1,016 |
| 703 | Biogeochemistry | 1 | 2 | 1,504 | 2,219 |
| 703 | touch | 1 | 2 | 210 | 390 |
| 703 | urban forestry | 1 | 2 | 571 | 1,014 |
| 703 | drug abuse | 1 | 2 | 988 | 1,529 |
| 703 | tree planting | 1 | 2 | 46 | 72 |
| 703 | harm reduction | 1 | 2 | 368 | 626 |
| 703 | Biodiversity | 1 | 2 | 2,982 | 3,942 |
| 719 | Radiology | 1 | 1 | 1,738 | 2,421 |
| 719 | Dentistry | 1 | 1 | 1,081 | 1,456 |
| 719 | Constitutional Law | 2 | 1 | 173 | 311 |
| 719 | Cloud Computing | 1 | 1 | 650 | 1,192 |
| 719 | Neuroimaging | 2 | 1 | 337 | 747 |
| 719 | Probability | 1 | 1 | 957 | 1,472 |
| 719 | Risk Management | 1 | 1 | 1,220 | 2,014 |
| 719 | Number Theory | 1 | 1 | 1,277 | 1,670 |
| 719 | History of Medicine | 1 | 1 | 748 | 887 |
| 719 | Radiobiology | 1 | 1 | 1,478 | 2,052 |
| 719 | Financial management | 1 | 1 | 844 | 1,418 |
| 719 | Risk | 1 | 1 | 890 | 1,454 |
| 719 | Constructivism | 1 | 1 | 134 | 289 |
| 719 | optical instruments | 1 | 1 | 521 | 783 |
| 719 | France | 1 | 1 | 742 | 938 |
| 719 | constitutional courts | 2 | 1 | 86 | 184 |
| 719 | research and development | 1 | 1 | 603 | 992 |
| 719 | optical phenomena | 1 | 1 | 229 | 427 |
| 719 | Diplomatic relations | 1 | 1 | 1,042 | 1,343 |
| 719 | extraterrestrial environment | 1 | 1 | 952 | 1,421 |
| 739 | History | 1 | 0 | 1,494 | 1,687 |
| 739 | Geriatric Nursing | 1 | 0 | 956 | 1,585 |
| 739 | economic forecasting | 1 | 0 | 599 | 1,021 |
| 739 | Bioremediation | 1 | 0 | 1,516 | 2,366 |
| 739 | Mass Media | 1 | 0 | 1,342 | 1,976 |
| 739 | Marine Pollution | 1 | 0 | 1,814 | 2,679 |
| 739 | cooperation | 1 | 0 | 318 | 633 |
| 739 | histological techniques | 1 | 0 | 886 | 1,388 |
| 739 | Noise control | 1 | 0 | 495 | 588 |
| 739 | Applied Ethics | 1 | 0 | 297 | 551 |
| 739 | genocide | 1 | 0 | 182 | 276 |
| 739 | civilization | 1 | 0 | 1,583 | 1,978 |
| 739 | Elderly | 1 | 0 | 1,727 | 2,135 |
| 739 | Hospitals | 1 | 0 | 599 | 1,024 |
| 739 | Iran | 1 | 0 | 308 | 562 |
| 739 | recreation | 1 | 0 | 1,067 | 1,695 |