| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Biocompatible Materials | 33 | 3,297 | 1.4K | 829 |
| 2 | food technology | 45 | 2,318 | 402 | 217 |
| 3 | Materials | 34 | 2,030 | 2.3K | 1.6K |
| 4 | Agricultural Chemistry | 53 | 1,889 | 496 | 442 |
| 5 | Chemistry | 59 | 1,883 | 3.4K | 3.5K |
| 6 | United States | 118 | 1,878 | 778 | 1.0K |
| 7 | Geography | 15 | 1,720 | 1.1K | 357 |
| 8 | Soil Science | 16 | 1,716 | 640 | 238 |
| 9 | Molecular Biology | 40 | 1,438 | 3.4K | 3.5K |
| 10 | Chemical Engineering | 33 | 1,415 | 1.5K | 1.2K |
| 11 | Environmental Health | 28 | 1,388 | 2.1K | 1.7K |
| 12 | Biology | 114 | 1,361 | 2.2K | 5.1K |
| 13 | Pollution | 26 | 1,324 | 2.2K | 2.0K |
| 14 | Nutrition | 48 | 1,319 | 1.3K | 1.5K |
| 15 | Food | 45 | 1,310 | 633 | 646 |
| 16 | Soil | 3 | 1,298 | 90 | 3 |
| 17 | Materials Science | 79 | 1,241 | 1.1K | 1.6K |
| 18 | Physics | 76 | 1,222 | 2.9K | 5.2K |
| 18 | Research | 48 | 1,222 | 3.0K | 3.3K |
| 20 | Environmental Engineering | 29 | 1,217 | 1.3K | 1.2K |
| 21 | Biotechnology | 47 | 1,160 | 2.0K | 2.6K |
| 22 | Nanotechnology | 44 | 1,032 | 1.7K | 2.1K |
| 23 | Ecology | 30 | 998 | 2.5K | 2.8K |
| 24 | Information Technology | 20 | 975 | 808 | 450 |
| 25 | Environment | 12 | 969 | 3.1K | 2.5K |
| 26 | Medicine | 39 | 949 | 4.4K | 5.2K |
| 27 | Science | 24 | 897 | 5.7K | 6.3K |
| 28 | Polymers | 17 | 891 | 2.7K | 1.7K |
| 29 | Quality Control | 4 | 858 | 1.6K | 198 |
| 30 | Biomass Energy | 11 | 842 | 1.2K | 792 |
| 31 | food handling | 2 | 840 | 711 | 34 |
| 32 | sanitation | 7 | 819 | 1.4K | 968 |
| 33 | Genetics | 5 | 753 | 4.2K | 2.3K |
| 34 | Meteorology | 32 | 732 | 738 | 1.1K |
| 35 | Biochemistry | 36 | 713 | 3.8K | 4.4K |
| 36 | Ultrasonics | 3 | 707 | 1.2K | 261 |
| 37 | Food Microbiology | 21 | 690 | 349 | 425 |
| 37 | coal | 10 | 690 | 270 | 144 |
| 39 | polymerization | 11 | 673 | 2.8K | 1.6K |
| 40 | Sonochemistry | 2 | 658 | 713 | 122 |
| 41 | Industrial Engineering | 19 | 646 | 695 | 578 |
| 42 | Composite Materials | 14 | 623 | 919 | 622 |
| 43 | environmental protection | 11 | 587 | 1.9K | 1.5K |
| 44 | management | 18 | 584 | 1.3K | 1.1K |
| 45 | Bioengineering | 14 | 554 | 2.5K | 2.6K |
| 46 | Neurology | 7 | 534 | 4.7K | 3.5K |
| 47 | Communication | 20 | 531 | 671 | 680 |
| 48 | Control Theory | 10 | 529 | 1.0K | 542 |
| 49 | Data Mining | 3 | 508 | 1.9K | 595 |
| 50 | big data | 2 | 489 | 717 | 54 |
| 51 | environmental pollution | 13 | 482 | 2.4K | 2.3K |
| 52 | Access to Information | 1 | 478 | 423 | 27 |
| 52 | Information dissemination | 1 | 478 | 423 | 27 |
| 54 | Biophysics | 19 | 475 | 3.2K | 3.1K |
| 55 | Production Management | 6 | 466 | 560 | 455 |
| 56 | Biomedical Engineering | 25 | 455 | 2.0K | 2.6K |
| 57 | genome | 2 | 443 | 2.7K | 1.4K |
| 58 | Colloids | 17 | 420 | 1.7K | 2.0K |
| 59 | Catalysis | 12 | 411 | 2.1K | 2.0K |
| 59 | Information Science | 6 | 411 | 1.4K | 631 |
| 61 | Geophysics | 20 | 405 | 1.7K | 2.0K |
| 62 | Highway Engineering | 7 | 400 | 254 | 81 |
| 63 | Building Materials | 9 | 392 | 492 | 461 |
| 64 | Climatology | 15 | 383 | 930 | 1.0K |
| 65 | biological factors | 9 | 382 | 1.4K | 991 |
| 66 | Psychology | 30 | 373 | 2.0K | 2.9K |
| 67 | Microbiology | 24 | 369 | 3.5K | 5.1K |
| 68 | Toxicology | 12 | 362 | 3.0K | 3.0K |
| 69 | Distance Education | 2 | 360 | 653 | 93 |
| 70 | Public Health | 20 | 358 | 3.0K | 3.6K |
| 71 | Nuclear Physics | 17 | 345 | 2.5K | 2.4K |
| 72 | Health Information Management | 2 | 343 | 129 | 101 |
| 73 | Water pollution | 14 | 342 | 1.3K | 1.6K |
| 74 | Telecommunication | 15 | 338 | 1.2K | 1.1K |
| 75 | Education | 32 | 333 | 1.3K | 1.4K |
| 75 | Nanostructured Materials | 15 | 333 | 1.9K | 2.1K |
| 77 | Operations Research | 8 | 323 | 1.4K | 958 |
| 78 | human behavior | 6 | 318 | 1.8K | 1.6K |
| 79 | Traffic Engineering | 4 | 309 | 363 | 202 |
| 80 | Social Sciences | 19 | 306 | 1.6K | 1.3K |
| 81 | Behavior | 5 | 303 | 2.9K | 2.2K |
| 82 | nanoscience | 9 | 290 | 2.2K | 2.3K |
| 83 | Machine Learning | 2 | 287 | 507 | 195 |
| 84 | Sociology | 14 | 272 | 1.5K | 1.5K |
| 84 | Economics | 32 | 272 | 1.5K | 2.0K |
| 84 | Computational Biology | 10 | 272 | 2.1K | 2.1K |
| 87 | Transportation | 20 | 268 | 467 | 721 |
| 88 | Semiconductors | 11 | 266 | 596 | 355 |
| 89 | atmosphere | 3 | 262 | 512 | 181 |
| 90 | Process Control | 3 | 258 | 336 | 236 |
| 90 | Natural history | 2 | 258 | 6.4K | 5.8K |
| 92 | Genomics | 4 | 256 | 3.7K | 2.7K |
| 93 | Energy Policy | 11 | 254 | 779 | 1.1K |
| 94 | Surface Chemistry | 10 | 251 | 2.2K | 2.3K |
| 95 | Nursing | 10 | 249 | 1.1K | 786 |
| 95 | Social work | 13 | 249 | 606 | 519 |
| 97 | Biochemical Engineering | 5 | 247 | 2.3K | 2.7K |
| 98 | organization | 4 | 243 | 606 | 574 |
| 99 | Bioinformatics | 9 | 238 | 1.7K | 1.8K |
| 100 | Analytical Chemistry | 12 | 236 | 2.9K | 3.3K |
| 101 | Atmospheric Physics | 23 | 234 | 631 | 1.2K |
| 102 | Manufacturing Processes | 11 | 226 | 1.2K | 1.1K |
| 103 | Solid State Physics | 7 | 224 | 3.1K | 2.5K |
| 103 | Condensed Matter | 7 | 224 | 2.9K | 2.4K |
| 105 | Sustainable Engineering | 8 | 223 | 1.1K | 1.3K |
| 106 | Reproduction | 12 | 220 | 1.5K | 1.8K |
| 107 | Animal Nutrition | 8 | 218 | 326 | 274 |
| 108 | Green Chemistry | 6 | 217 | 1.5K | 1.6K |
| 109 | Business | 9 | 214 | 1.2K | 1.2K |
| 110 | Water quality management | 10 | 209 | 1.1K | 1.1K |
| 111 | Hydrology | 7 | 207 | 1.9K | 1.6K |
| 112 | Ergonomics | 45 | 205 | 173 | 511 |
| 113 | Dementia | 31 | 202 | 584 | 821 |
| 113 | Alzheimer's disease | 31 | 202 | 613 | 939 |
| 115 | Environmental Policy | 4 | 201 | 3.0K | 2.7K |
| 115 | Renewable Energy Sources | 9 | 201 | 1.0K | 1.9K |
| 117 | Humanities | 2 | 197 | 2.8K | 398 |
| 117 | Psychiatry | 12 | 197 | 3.1K | 4.0K |
| 117 | Chromatographic analysis | 12 | 197 | 1.1K | 1.1K |
| 120 | Environmental monitoring | 8 | 196 | 2.7K | 3.2K |
| 120 | Sports | 12 | 196 | 1.4K | 1.4K |
| 122 | Geriatrics | 30 | 195 | 1.2K | 2.4K |
| 123 | Biomechanics | 4 | 187 | 1.5K | 983 |
| 124 | Agricultural Ecology | 7 | 183 | 883 | 1.2K |
| 124 | Industrial Microbiology | 4 | 183 | 2.1K | 1.9K |
| 124 | Exercise | 4 | 183 | 1.5K | 932 |
| 127 | Decision making | 4 | 180 | 1.6K | 995 |
| 128 | Diet | 7 | 179 | 1.9K | 2.5K |
| 129 | Functional foods | 6 | 172 | 226 | 238 |
| 129 | Phytotherapy | 6 | 172 | 595 | 570 |
| 131 | Chemical industry | 5 | 170 | 1.3K | 703 |
| 132 | primary prevention | 5 | 169 | 352 | 274 |
| 132 | Plants | 3 | 169 | 2.8K | 2.1K |
| 134 | Hospitality industry | 1 | 167 | 530 | 106 |
| 134 | Planets | 4 | 167 | 1.7K | 1.7K |
| 136 | Social Psychology | 7 | 166 | 1.6K | 1.7K |
| 137 | Gerontology | 29 | 165 | 656 | 1.4K |
| 137 | Roads | 9 | 165 | 443 | 392 |
| 139 | Special Education | 9 | 164 | 441 | 416 |
| 140 | Electrochemistry | 19 | 162 | 1.7K | 2.3K |
| 141 | Health Education | 5 | 161 | 1.7K | 1.3K |
| 142 | gene mapping | 1 | 159 | 4.0K | 2.3K |
| 142 | DNA polymerases | 1 | 159 | 1.0K | 890 |
| 144 | Agronomy | 5 | 155 | 501 | 545 |
| 144 | Statistical physics | 11 | 155 | 2.4K | 2.7K |
| 146 | radioactive waste | 2 | 154 | 930 | 833 |
| 146 | industrial waste | 2 | 154 | 1.0K | 838 |
| 146 | Hazardous waste | 2 | 154 | 1.2K | 912 |
| 149 | Botany | 4 | 151 | 4.0K | 3.5K |
| 150 | Production Engineering | 10 | 150 | 1.1K | 1.2K |
| 151 | Microelectronics | 4 | 148 | 1.8K | 1.8K |
| 151 | Aging | 27 | 148 | 1.2K | 2.7K |
| 153 | weather forecasting | 3 | 147 | 275 | 160 |
| 154 | Pharmaceutical Chemistry | 3 | 145 | 4.8K | 3.8K |
| 155 | miniaturization | 3 | 141 | 2.4K | 2.2K |
| 156 | Cell Biology | 4 | 138 | 4.9K | 5.1K |
| 157 | Solar Energy | 6 | 136 | 649 | 822 |
| 157 | Genes | 2 | 136 | 1.9K | 1.1K |
| 159 | recreation | 6 | 133 | 500 | 384 |
| 160 | Mechanical Engineering | 7 | 130 | 1.9K | 1.3K |
| 160 | Pediatrics | 2 | 130 | 3.9K | 3.0K |
| 162 | Mental Health | 7 | 127 | 1.2K | 1.4K |
| 162 | Biological Systems | 1 | 127 | 1.7K | 589 |
| 164 | Clinical Chemistry | 3 | 126 | 3.4K | 3.1K |
| 164 | Water | 4 | 126 | 2.0K | 2.2K |
| 166 | Economic History | 15 | 120 | 1.8K | 2.0K |
| 167 | Writing | 2 | 118 | 378 | 222 |
| 168 | commerce | 3 | 114 | 1.6K | 1.1K |
| 169 | Health | 9 | 113 | 1.7K | 2.5K |
| 170 | counseling | 15 | 112 | 582 | 1.1K |
| 170 | health services | 4 | 112 | 1.3K | 1.1K |
| 172 | Endocrinology | 2 | 111 | 4.7K | 3.9K |
| 172 | Nondestructive testing | 6 | 111 | 385 | 338 |
| 172 | Health Policy | 3 | 111 | 3.1K | 2.5K |
| 175 | Psychophysiology | 2 | 110 | 3.7K | 3.0K |
| 176 | Electrochemical Analysis | 3 | 109 | 1.2K | 835 |
| 177 | Neuroendocrinology | 1 | 107 | 759 | 482 |
| 177 | Safety management | 2 | 107 | 861 | 268 |
| 179 | Cybernetics | 6 | 106 | 1.2K | 1.5K |
| 179 | Social welfare | 1 | 106 | 1.4K | 436 |
| 179 | free radicals | 3 | 106 | 1.5K | 1.8K |
| 182 | Spectrum analysis | 5 | 105 | 3.7K | 3.8K |
| 182 | Evolution | 1 | 105 | 3.8K | 2.4K |
| 184 | Environmental Management | 1 | 101 | 4.6K | 3.2K |
| 184 | Liquid chromatography | 7 | 101 | 344 | 289 |
| 186 | Automation | 5 | 100 | 1.8K | 1.9K |
| 186 | Leadership | 7 | 100 | 124 | 306 |
| 188 | Smart Materials | 5 | 99 | 581 | 621 |
| 189 | Structural health monitoring | 5 | 98 | 131 | 190 |
| 189 | energy conservation | 5 | 98 | 1.4K | 1.9K |
| 189 | structural stability | 5 | 98 | 304 | 309 |
| 192 | Astronomy | 4 | 97 | 2.7K | 2.5K |
| 192 | Educational Psychology | 2 | 97 | 1.8K | 1.2K |
| 192 | economic policy | 6 | 97 | 1.9K | 1.6K |
| 195 | Child | 3 | 96 | 3.3K | 2.6K |
| 195 | Electrophoresis | 5 | 96 | 1.6K | 1.8K |
| 195 | Chromatography | 5 | 96 | 1.5K | 1.6K |
| 195 | Child psychology | 2 | 96 | 2.2K | 1.9K |
| 199 | Superconductors | 1 | 95 | 1.5K | 693 |
| 199 | Superconductivity | 1 | 95 | 626 | 252 |
| 201 | Nanochemistry | 6 | 94 | 917 | 973 |
| 202 | Intellectual disability | 1 | 93 | 1.8K | 870 |
| 203 | Urban Education | 4 | 92 | 94 | 93 |
| 203 | Cognition | 1 | 92 | 2.9K | 1.8K |
| 205 | Economic Development | 4 | 91 | 1.5K | 1.6K |
| 205 | Metals | 2 | 91 | 2.7K | 1.5K |
| 207 | Artificial Intelligence | 8 | 90 | 2.7K | 3.4K |
| 207 | Soft Condensed Matter | 3 | 90 | 1.3K | 1.2K |
| 207 | Nanostructures | 2 | 90 | 2.8K | 2.3K |
| 207 | biopolymers | 3 | 90 | 1.5K | 1.4K |
| 211 | Cell division | 1 | 89 | 1.3K | 781 |
| 211 | Cell differentiation | 1 | 89 | 3.4K | 2.8K |
| 211 | fuel cells | 5 | 89 | 1.2K | 1.6K |
| 211 | Stem cells | 1 | 89 | 3.1K | 2.3K |
| 211 | China | 3 | 89 | 3.3K | 2.4K |
| 216 | Trace elements | 1 | 87 | 706 | 417 |
| 216 | Bacteriophages | 2 | 87 | 41 | 38 |
| 218 | Information Systems | 5 | 86 | 1.2K | 1.4K |
| 218 | Metallurgy | 1 | 86 | 4.1K | 1.9K |
| 220 | violence | 7 | 85 | 626 | 965 |
| 221 | Molecular evolution | 1 | 83 | 3.3K | 2.2K |
| 221 | biological evolution | 1 | 83 | 3.9K | 2.9K |
| 223 | Electrical Engineering | 52 | 82 | 962 | 2.5K |
| 224 | marketing | 6 | 81 | 1.2K | 1.6K |
| 225 | Medical Laboratory Science | 4 | 80 | 2.4K | 3.1K |
| 225 | Technology | 6 | 80 | 3.6K | 4.3K |
| 225 | African Americans | 14 | 80 | 37 | 104 |
| 228 | Telecommunication Systems | 5 | 79 | 1.3K | 1.2K |
| 229 | dietary supplements | 3 | 78 | 547 | 635 |
| 229 | rehabilitation | 3 | 78 | 2.9K | 2.8K |
| 231 | Neurogenetics | 1 | 77 | 965 | 559 |
| 232 | Organic Chemistry | 2 | 76 | 4.1K | 3.4K |
| 232 | Multicultural Education | 2 | 76 | 494 | 259 |
| 232 | Advertising | 4 | 76 | 334 | 500 |
| 232 | environmental exposure | 6 | 76 | 1.6K | 2.5K |
| 232 | internet | 8 | 76 | 812 | 1.3K |
| 237 | Immunology | 7 | 75 | 3.5K | 5.1K |
| 237 | Infections | 1 | 75 | 2.4K | 1.9K |
| 237 | Obesity | 4 | 75 | 2.3K | 3.1K |
| 240 | Metabolism | 1 | 74 | 5.1K | 4.2K |
| 240 | Metabolic diseases | 1 | 74 | 4.5K | 3.8K |
| 240 | Adolescent | 8 | 74 | 1.6K | 2.4K |
| 240 | Europe | 4 | 74 | 3.8K | 3.3K |
| 244 | Structural dynamics | 3 | 73 | 823 | 928 |
| 244 | Energy Consumption | 1 | 73 | 784 | 540 |
| 244 | Body Image | 1 | 73 | 340 | 264 |
| 244 | Physical fitness | 3 | 73 | 1.4K | 1.4K |
| 248 | Biosensors | 2 | 72 | 1.6K | 2.0K |
| 248 | Child welfare | 6 | 72 | 742 | 1.0K |
| 250 | Earthquake Engineering | 2 | 71 | 1.2K | 1.0K |
| 251 | Surgery | 2 | 70 | 3.4K | 3.7K |
| 251 | Materials Engineering | 2 | 70 | 1.1K | 552 |
| 251 | Mechanics | 2 | 70 | 1.9K | 1.1K |
| 254 | Production Planning | 2 | 69 | 360 | 379 |
| 254 | Production Control | 2 | 69 | 350 | 379 |
| 254 | indoor air pollution | 5 | 69 | 306 | 577 |
| 254 | Information society | 2 | 69 | 197 | 123 |
| 254 | Ventilation | 5 | 69 | 431 | 663 |
| 254 | Sick building syndrome | 5 | 69 | 306 | 577 |
| 254 | Microwaves | 1 | 69 | 2.5K | 1.3K |
| 254 | computer networks | 10 | 69 | 1.3K | 2.2K |
| 262 | Energy Storage | 4 | 68 | 1.3K | 1.5K |
| 262 | vibration | 4 | 68 | 1.0K | 998 |
| 264 | Bioorganic chemistry | 1 | 67 | 4.3K | 3.2K |
| 265 | Physical Chemistry | 4 | 66 | 2.6K | 3.0K |
| 265 | Green Technology | 4 | 66 | 331 | 429 |
| 265 | Business Ethics | 1 | 66 | 1.7K | 1.4K |
| 268 | Internet of Things | 6 | 65 | 672 | 1.0K |
| 268 | Public Health Administration | 1 | 65 | 1.0K | 399 |
| 270 | Medical Technology | 3 | 64 | 2.3K | 2.4K |
| 270 | Fracture mechanics | 4 | 64 | 921 | 1.1K |
| 270 | Educational Innovation | 5 | 64 | 30 | 61 |
| 270 | Business communication | 7 | 64 | 45 | 78 |
| 274 | Marine Meteorology | 5 | 63 | 305 | 414 |
| 274 | food contamination | 7 | 63 | 679 | 1.2K |
| 276 | Mathematics | 12 | 62 | 4.0K | 4.8K |
| 276 | Vocational Education | 5 | 62 | 446 | 553 |
| 276 | Ceramic materials | 3 | 62 | 1.1K | 1.1K |
| 276 | Vocational guidance | 5 | 62 | 655 | 915 |
| 280 | Industrial Safety | 4 | 61 | 897 | 908 |
| 280 | Environmental Chemistry | 4 | 61 | 2.4K | 3.3K |
| 280 | India | 5 | 61 | 1.7K | 1.1K |
| 283 | Food Preservation | 4 | 60 | 697 | 616 |
| 283 | Intelligent Control Systems | 4 | 60 | 1.2K | 902 |
| 285 | Criminal psychology | 3 | 59 | 899 | 975 |
| 285 | Psychiatric Nursing | 3 | 59 | 844 | 784 |
| 285 | healthcare disparities | 9 | 59 | 235 | 632 |
| 285 | Recycling | 1 | 59 | 531 | 650 |
| 289 | Animal Biotechnology | 7 | 58 | 86 | 223 |
| 289 | Astrophysics | 4 | 58 | 3.0K | 3.2K |
| 289 | Tissue Engineering | 1 | 58 | 713 | 470 |
| 289 | Molecular Spectroscopy | 3 | 58 | 1.7K | 1.8K |
| 293 | Hematology | 2 | 57 | 4.9K | 4.3K |
| 293 | concrete | 1 | 57 | 1.3K | 843 |
| 293 | Developing countries | 3 | 57 | 2.3K | 2.3K |
| 296 | Robotics | 10 | 56 | 960 | 1.9K |
| 296 | Photochemistry | 1 | 56 | 2.9K | 2.1K |
| 296 | Light | 1 | 56 | 2.1K | 1.9K |
| 296 | Bioelectronics | 1 | 56 | 1.8K | 2.0K |
| 300 | Engineering | 7 | 55 | 3.5K | 4.6K |
| 300 | Epidemiology | 5 | 55 | 4.1K | 5.7K |
| 300 | Systems Theory | 4 | 55 | 597 | 567 |
| 300 | particle accelerators | 2 | 55 | 219 | 183 |
| 300 | Mental Health Services | 4 | 55 | 1.5K | 1.9K |
| 300 | Radio wave propagation | 4 | 55 | 902 | 930 |
| 300 | particle beams | 2 | 55 | 404 | 306 |
| 307 | Sustainable Development | 3 | 54 | 2.1K | 2.6K |
| 307 | Energy Conversion | 4 | 54 | 1.2K | 1.9K |
| 307 | Human-Computer Interaction | 9 | 54 | 863 | 1.8K |
| 307 | disease vectors | 1 | 54 | 2.0K | 1.5K |
| 307 | Zoonoses | 1 | 54 | 758 | 560 |
| 312 | Pesticides | 4 | 53 | 510 | 675 |
| 313 | Ecological Engineering | 2 | 52 | 414 | 567 |
| 313 | Structural design | 3 | 52 | 661 | 727 |
| 313 | mental health policy | 1 | 52 | 491 | 312 |
| 313 | energy resources | 1 | 52 | 1.3K | 1.5K |
| 317 | Drying | 1 | 50 | 819 | 538 |
| 317 | Cardiovascular system | 3 | 50 | 2.5K | 3.7K |
| 319 | Communication in medicine | 5 | 49 | 423 | 756 |
| 319 | Ultrasonic Imaging | 1 | 49 | 884 | 641 |
| 319 | Ultrasound | 1 | 49 | 1.2K | 945 |
| 322 | Health Services Administration | 3 | 48 | 1.5K | 1.8K |
| 322 | Earth Sciences | 13 | 48 | 1.7K | 3.4K |
| 322 | African American | 7 | 48 | 53 | 128 |
| 325 | Atmospheric Chemistry | 3 | 47 | 1.2K | 1.7K |
| 325 | Budget | 1 | 47 | 178 | 72 |
| 327 | Educational Technology | 4 | 45 | 1.4K | 1.7K |
| 327 | Mass Spectrometry | 1 | 45 | 2.7K | 2.1K |
| 329 | Nutrition physiology | 2 | 44 | 1.2K | 1.5K |
| 329 | Multiculturalism | 1 | 44 | 249 | 64 |
| 329 | sustainability | 2 | 44 | 1.2K | 1.4K |
| 329 | Microbial Metabolism | 1 | 44 | 491 | 524 |
| 333 | Plastics | 4 | 43 | 1.8K | 2.1K |
| 333 | Development | 2 | 43 | 975 | 1.1K |
| 333 | Biodiversity | 3 | 43 | 3.0K | 3.5K |
| 336 | Neurophysiology | 2 | 42 | 3.8K | 4.4K |
| 336 | Agriculture | 11 | 42 | 1.3K | 3.1K |
| 338 | Oncology | 1 | 41 | 4.5K | 4.5K |
| 338 | Physiology | 3 | 41 | 5.2K | 6.4K |
| 338 | Pediatric Nursing | 2 | 41 | 657 | 670 |
| 338 | Obstetric Nursing | 2 | 41 | 419 | 421 |
| 338 | Crystal growth | 3 | 41 | 1.3K | 1.6K |
| 338 | Fuzzy systems | 3 | 41 | 1.9K | 1.7K |
| 338 | race relations | 3 | 41 | 646 | 673 |
| 338 | Cancer | 6 | 41 | 3.6K | 6.0K |
| 346 | Aerosols | 3 | 40 | 418 | 647 |
| 347 | Electronics | 13 | 39 | 2.2K | 4.5K |
| 347 | Herbal medicine | 1 | 39 | 1.0K | 1.2K |
| 347 | Labor Unions | 1 | 39 | 608 | 247 |
| 347 | hazard mitigation | 2 | 39 | 1.3K | 1.5K |
| 347 | labor | 1 | 39 | 692 | 135 |
| 347 | Labor history | 1 | 39 | 229 | 43 |
| 347 | Student Health Services | 3 | 39 | 319 | 425 |
| 347 | Labor Movement | 1 | 39 | 584 | 154 |
| 347 | carbon monoxide | 1 | 39 | 309 | 419 |
| 356 | starch | 1 | 38 | 835 | 576 |
| 356 | data protection | 5 | 38 | 309 | 562 |
| 358 | Pharmacology | 3 | 37 | 6.5K | 8.0K |
| 358 | Suicide | 2 | 37 | 851 | 1.0K |
| 360 | Mobile Computing | 3 | 36 | 1.3K | 1.5K |
| 360 | Wireless Communication Systems | 3 | 36 | 2.6K | 2.8K |
| 360 | Radiation | 3 | 36 | 2.2K | 2.7K |
| 363 | Sports Medicine | 8 | 35 | 2.2K | 3.5K |
| 363 | Image Processing | 2 | 35 | 2.8K | 2.9K |
| 363 | sadness | 1 | 35 | 571 | 330 |
| 363 | death | 1 | 35 | 728 | 395 |
| 363 | antisocial personality disorder | 1 | 35 | 571 | 330 |
| 368 | Mycotoxins | 1 | 34 | 380 | 285 |
| 369 | Neuropsychology | 2 | 33 | 3.2K | 3.7K |
| 369 | Horticulture | 5 | 33 | 749 | 1.2K |
| 369 | Developmental Biology | 1 | 33 | 3.8K | 3.8K |
| 369 | Nonlinear Dynamics | 5 | 33 | 2.1K | 3.1K |
| 369 | Plant tissue culture | 1 | 33 | 1.7K | 1.6K |
| 369 | global environmental change | 1 | 33 | 1.6K | 1.6K |
| 369 | Foodborne diseases | 2 | 33 | 418 | 601 |
| 369 | Plant cell culture | 1 | 33 | 1.6K | 1.6K |
| 369 | environmental issues | 1 | 33 | 1.0K | 960 |
| 378 | Computer Science | 4 | 32 | 2.2K | 2.7K |
| 378 | Adult Education | 13 | 32 | 181 | 696 |
| 378 | Detectors | 3 | 32 | 1.7K | 2.2K |
| 378 | finance | 6 | 32 | 1.6K | 2.5K |
| 382 | Systems Engineering | 3 | 31 | 2.6K | 2.9K |
| 382 | Econometrics | 5 | 31 | 1.3K | 1.8K |
| 382 | Signal Processing | 3 | 31 | 2.7K | 3.4K |
| 382 | Waste management | 4 | 31 | 1.5K | 2.3K |
| 382 | Water Purification | 4 | 31 | 1.2K | 2.0K |
| 382 | Strategic planning | 2 | 31 | 988 | 1.2K |
| 382 | Luminescence | 1 | 31 | 1.5K | 1.1K |
| 382 | Youth | 4 | 31 | 629 | 1.2K |
| 382 | Microscopy | 4 | 31 | 2.2K | 2.5K |
| 391 | Oceanography | 4 | 30 | 1.7K | 2.5K |
| 391 | Neurobiology | 2 | 30 | 2.4K | 3.2K |
| 391 | traffic safety | 1 | 30 | 638 | 518 |
| 394 | behavioral medicine | 3 | 29 | 1.7K | 3.0K |
| 394 | Microfabrication | 2 | 29 | 542 | 738 |
| 394 | Nanoparticles | 3 | 29 | 2.3K | 3.3K |
| 394 | Nanomanufacturing | 2 | 29 | 98 | 72 |
| 394 | Microfluidics | 1 | 29 | 585 | 607 |
| 394 | minority groups | 2 | 29 | 115 | 117 |
| 400 | Fuzzy Logic | 1 | 28 | 265 | 211 |
| 400 | Evolutionary Computation | 1 | 28 | 759 | 885 |
| 400 | natural disasters | 1 | 28 | 2.5K | 2.5K |
| 403 | soil microbiology | 2 | 27 | 1.8K | 3.0K |
| 403 | Entrepreneurship | 1 | 27 | 1.6K | 1.5K |
| 403 | Elderly | 23 | 27 | 488 | 1.9K |
| 403 | older people | 23 | 27 | 608 | 2.6K |
| 403 | Plant diseases | 2 | 27 | 2.7K | 2.9K |
| 408 | Quantum Chemistry | 2 | 26 | 1.4K | 1.3K |
| 408 | Hallucinogens | 1 | 26 | 458 | 467 |
| 408 | Zeolites | 1 | 26 | 746 | 892 |
| 408 | Africa | 3 | 26 | 2.0K | 2.1K |
| 408 | crime victims | 3 | 26 | 151 | 268 |
| 408 | drug abuse | 1 | 26 | 1.5K | 1.3K |
| 408 | Aggression | 3 | 26 | 467 | 879 |
| 415 | Photonics | 1 | 25 | 3.2K | 3.2K |
| 415 | Public opinion | 1 | 25 | 907 | 912 |
| 415 | particles | 2 | 25 | 1.2K | 1.5K |
| 415 | lasers | 1 | 25 | 3.6K | 2.8K |
| 419 | Political Economy | 4 | 24 | 103 | 176 |
| 419 | Intelligent Transportation Systems | 7 | 24 | 664 | 1.7K |
| 419 | Microbial Biotechnology | 1 | 24 | 2.1K | 2.1K |
| 419 | Land use | 1 | 24 | 1.9K | 1.9K |
| 419 | Adolescent Psychology | 4 | 24 | 832 | 1.6K |
| 419 | Radiobiology | 2 | 24 | 2.1K | 2.6K |
| 419 | Health promotion | 4 | 24 | 1.7K | 3.1K |
| 426 | Computational Linguistics | 3 | 23 | 581 | 739 |
| 426 | Decision Support Systems | 1 | 23 | 654 | 549 |
| 426 | adolescence | 3 | 23 | 1.1K | 1.8K |
| 426 | Transport | 2 | 23 | 533 | 973 |
| 430 | biological monitoring | 1 | 22 | 1.2K | 1.4K |
| 431 | Political Science | 3 | 21 | 2.4K | 2.3K |
| 431 | Bioactive compounds | 1 | 21 | 13 | 1 |
| 431 | bioclimatology | 1 | 21 | 1.9K | 2.0K |
| 434 | Stochastic Processes | 3 | 20 | 1.0K | 1.5K |
| 434 | Quality of life | 1 | 20 | 3.1K | 3.6K |
| 434 | energy development | 1 | 20 | 1.7K | 1.8K |
| 434 | hygiene | 2 | 20 | 905 | 1.4K |
| 438 | Food Science | 1 | 19 | 447 | 235 |
| 438 | Optics | 10 | 19 | 3.4K | 6.1K |
| 438 | Engineering Mathematics | 4 | 19 | 2.6K | 3.5K |
| 438 | Analytical Biochemistry | 2 | 19 | 2.4K | 3.2K |
| 438 | Structural biology | 1 | 19 | 236 | 406 |
| 438 | biomedicine | 1 | 19 | 1.9K | 2.0K |
| 438 | applications | 1 | 19 | 109 | 26 |
| 445 | Statistics | 5 | 18 | 2.6K | 4.1K |
| 445 | health behavior | 2 | 18 | 1.6K | 2.4K |
| 445 | families | 6 | 18 | 641 | 1.6K |
| 445 | Carbon | 1 | 18 | 1.5K | 1.9K |
| 445 | consumers | 2 | 18 | 530 | 863 |
| 445 | chronic disease | 2 | 18 | 428 | 737 |
| 451 | Philosophy | 5 | 17 | 1.6K | 1.7K |
| 451 | Regional Planning | 3 | 17 | 1.8K | 2.6K |
| 451 | cytokines | 3 | 17 | 1.5K | 3.0K |
| 451 | Urban Areas | 1 | 17 | 531 | 541 |
| 451 | city planning | 2 | 17 | 2.0K | 2.6K |
| 456 | Structural Engineering | 1 | 16 | 2.3K | 2.1K |
| 456 | Marine Biology | 2 | 16 | 3.3K | 4.5K |
| 456 | Ceramics | 3 | 16 | 2.0K | 2.8K |
| 456 | Geriatric Psychiatry | 2 | 16 | 1.9K | 2.8K |
| 456 | Career development | 1 | 16 | 827 | 853 |
| 456 | Continuing Education | 9 | 16 | 187 | 739 |
| 456 | Computational Fluid Dynamics | 1 | 16 | 955 | 957 |
| 456 | Ocean Engineering | 1 | 16 | 1.7K | 1.9K |
| 456 | Knowledge management | 2 | 16 | 581 | 659 |
| 456 | Biomass | 1 | 16 | 444 | 819 |
| 456 | cell physiology | 1 | 16 | 3.0K | 3.8K |
| 456 | United Kingdom | 1 | 16 | 3.2K | 3.5K |
| 468 | Pharmacy | 1 | 15 | 3.9K | 4.4K |
| 468 | Geology | 1 | 15 | 4.7K | 4.5K |
| 468 | Photography | 9 | 15 | 772 | 1.3K |
| 468 | Nanoelectronics | 2 | 15 | 786 | 1.0K |
| 468 | Organizational learning | 2 | 15 | 629 | 907 |
| 468 | Total Quality Management | 3 | 15 | 423 | 1.0K |
| 468 | Research Design | 2 | 15 | 1.8K | 2.9K |
| 468 | cooperation | 1 | 15 | 369 | 277 |
| 468 | Industrial Policy | 1 | 15 | 831 | 890 |
| 468 | Family Therapy | 2 | 15 | 1.1K | 1.5K |
| 468 | child mental health | 2 | 15 | 642 | 1.0K |
| 468 | foods | 2 | 15 | 452 | 760 |
| 468 | Primates | 1 | 15 | 1.5K | 1.7K |
| 481 | Anthropology | 1 | 14 | 3.2K | 2.8K |
| 481 | History | 1 | 14 | 2.1K | 1.0K |
| 481 | Tribology | 2 | 14 | 1.4K | 1.9K |
| 481 | Sustainable agriculture | 2 | 14 | 983 | 1.6K |
| 481 | Ethnic relations | 2 | 14 | 988 | 1.1K |
| 481 | Nationalism | 1 | 14 | 933 | 678 |
| 481 | Taste | 1 | 14 | 693 | 895 |
| 481 | Eastern Europe | 3 | 14 | 1.6K | 1.5K |
| 481 | smell | 1 | 14 | 693 | 895 |
| 481 | Ethnology | 2 | 14 | 2.2K | 2.5K |
| 481 | immigrants | 1 | 14 | 511 | 270 |
| 481 | Asia | 1 | 14 | 5.3K | 4.8K |
| 481 | libraries | 9 | 14 | 370 | 749 |
| 481 | Food preferences | 1 | 14 | 449 | 661 |
| 481 | ethanol | 1 | 14 | 1.1K | 1.2K |
| 481 | livestock | 4 | 14 | 606 | 1.0K |
| 481 | alcoholism | 1 | 14 | 2.9K | 3.4K |
| 481 | Insects | 2 | 14 | 2.1K | 2.6K |
| 481 | World Wide Web | 2 | 14 | 581 | 746 |
| 481 | Human biology | 1 | 14 | 1.4K | 1.6K |
| 481 | Entomology | 2 | 14 | 3.4K | 4.0K |
| 502 | Radiology | 1 | 13 | 2.8K | 2.8K |
| 502 | Occupational Therapy | 1 | 13 | 2.4K | 2.1K |
| 502 | Occupational Health | 1 | 13 | 2.8K | 2.5K |
| 502 | industrial hygiene | 1 | 13 | 2.6K | 2.4K |
| 502 | Animal breeding | 1 | 13 | 1.3K | 1.4K |
| 502 | Animal genetics | 1 | 13 | 1.1K | 1.4K |
| 502 | visualization | 6 | 13 | 1.5K | 2.5K |
| 502 | Brain | 1 | 13 | 4.0K | 4.8K |
| 502 | Communication in politics | 3 | 13 | 127 | 377 |
| 502 | RNA | 1 | 13 | 1.2K | 1.6K |
| 512 | Transportation Engineering | 2 | 12 | 482 | 893 |
| 512 | Aerospace Engineering | 3 | 12 | 347 | 610 |
| 512 | Plant Taxonomy | 1 | 12 | 870 | 957 |
| 512 | Computational Intelligence | 1 | 12 | 2.2K | 2.1K |
| 512 | Neural circuitry | 1 | 12 | 2.9K | 3.5K |
| 512 | Human Capital | 4 | 12 | 177 | 675 |
| 512 | sports injuries | 1 | 12 | 1.4K | 1.4K |
| 519 | Intercultural Communication | 1 | 11 | 582 | 602 |
| 519 | Databases | 1 | 11 | 636 | 758 |
| 519 | Plant Biotechnology | 1 | 11 | 1.6K | 2.0K |
| 519 | Cognitive Science | 1 | 11 | 2.8K | 3.4K |
| 519 | Virology | 1 | 11 | 5.7K | 6.9K |
| 519 | Bacteriology | 1 | 11 | 3.0K | 3.9K |
| 519 | Language and Logic | 1 | 11 | 225 | 186 |
| 519 | Interferons | 1 | 11 | 719 | 997 |
| 519 | Sea | 1 | 11 | 602 | 951 |
| 519 | Fishery resources | 1 | 11 | 795 | 1.1K |
| 519 | Physicians | 5 | 11 | 63 | 113 |
| 519 | Cytokine | 1 | 11 | 922 | 1.4K |
| 519 | Heterocyclic compounds | 2 | 11 | 1.5K | 2.0K |
| 519 | Fisheries | 1 | 11 | 2.9K | 3.2K |
| 533 | Global Health | 1 | 10 | 2.5K | 2.8K |
| 533 | American Literature | 3 | 10 | 812 | 309 |
| 533 | health services accessibility | 1 | 10 | 1.8K | 2.1K |
| 533 | nursing education | 1 | 10 | 313 | 384 |
| 533 | Religion and Culture | 3 | 10 | 389 | 695 |
| 533 | Harmonic Analysis | 1 | 10 | 88 | 161 |
| 533 | telemarketing | 1 | 10 | 236 | 423 |
| 533 | Sales Promotion | 1 | 10 | 271 | 383 |
| 533 | Immunity | 1 | 10 | 3.6K | 4.7K |
| 542 | Marine Engineering | 2 | 9 | 680 | 716 |
| 542 | Mechatronics | 1 | 9 | 1.5K | 1.9K |
| 542 | Naval Architecture | 2 | 9 | 642 | 763 |
| 542 | Flexible manufacturing systems | 1 | 9 | 474 | 837 |
| 542 | Marine Pollution | 1 | 9 | 1.8K | 2.6K |
| 542 | nucleic acids | 1 | 9 | 3.4K | 4.4K |
| 542 | Optical materials | 1 | 9 | 3.7K | 4.6K |
| 542 | Social problems | 1 | 9 | 1.2K | 1.6K |
| 542 | Classification | 1 | 9 | 865 | 914 |
| 542 | technical education | 2 | 9 | 883 | 1.4K |
| 542 | women | 2 | 9 | 1.2K | 1.8K |
| 542 | Kidney diseases | 1 | 9 | 2.1K | 2.6K |
| 542 | Phylogeny | 1 | 9 | 1.5K | 2.1K |
| 555 | Zoology | 2 | 8 | 3.9K | 5.2K |
| 555 | Developmental Psychology | 3 | 8 | 1.1K | 2.4K |
| 555 | Forecasting | 2 | 8 | 651 | 1.2K |
| 555 | Cultural diversity | 3 | 8 | 194 | 577 |
| 555 | Tourism | 1 | 8 | 2.4K | 3.0K |
| 555 | Animal husbandry | 1 | 8 | 788 | 905 |
| 555 | Behavioral Finance | 1 | 8 | 150 | 287 |
| 555 | Soil biology | 1 | 8 | 981 | 1.5K |
| 555 | Consumer Protection | 1 | 8 | 455 | 653 |
| 555 | Drug delivery systems | 2 | 8 | 1.9K | 3.6K |
| 555 | Qualitative Research | 1 | 8 | 894 | 1.1K |
| 555 | Wildlife management | 2 | 8 | 906 | 1.4K |
| 555 | Soil fertility | 1 | 8 | 723 | 1.1K |
| 555 | International Finance | 2 | 8 | 1.5K | 2.4K |
| 555 | Korea | 1 | 8 | 880 | 1.0K |
| 555 | Customer Relations | 1 | 8 | 217 | 313 |
| 555 | Glass | 1 | 8 | 2.2K | 2.8K |
| 555 | pottery | 1 | 8 | 2.1K | 2.7K |
| 555 | cultural pluralism | 3 | 8 | 405 | 943 |
| 555 | Southern states | 2 | 8 | 438 | 707 |
| 555 | proteins | 2 | 8 | 3.3K | 5.1K |
| 555 | Soil ecology | 1 | 8 | 955 | 1.5K |
| 577 | Clinical Trials | 1 | 7 | 1.2K | 1.7K |
| 577 | Public Administration | 2 | 7 | 2.0K | 2.9K |
| 577 | Avionics | 1 | 7 | 347 | 450 |
| 577 | Dance | 4 | 7 | 303 | 449 |
| 577 | Ion Exchange | 1 | 7 | 290 | 392 |
| 577 | Eating Disorders | 1 | 7 | 1.8K | 2.4K |
| 577 | Human trafficking | 1 | 7 | 168 | 183 |
| 577 | Feeding and Eating Disorders | 1 | 7 | 1.7K | 2.3K |
| 577 | Proteome | 1 | 7 | 2.4K | 3.4K |
| 577 | Family | 3 | 7 | 1.1K | 2.5K |
| 577 | Latin America | 8 | 7 | 1.3K | 2.2K |
| 577 | Solvent extraction | 1 | 7 | 290 | 392 |
| 577 | Auditing | 2 | 7 | 431 | 790 |
| 577 | slavery | 1 | 7 | 174 | 240 |
| 577 | humor | 1 | 7 | 147 | 230 |
| 592 | Criminology | 1 | 6 | 1.7K | 2.0K |
| 592 | Computational Chemistry | 1 | 6 | 1.4K | 1.8K |
| 592 | Public Policy | 1 | 6 | 3.3K | 4.5K |
| 592 | Development Economics | 2 | 6 | 771 | 1.5K |
| 592 | Quality Management | 1 | 6 | 447 | 607 |
| 592 | Online social networks | 2 | 6 | 404 | 975 |
| 592 | Memory disorders | 1 | 6 | 523 | 747 |
| 592 | Calculus of Variations | 1 | 6 | 880 | 972 |
| 592 | Inflammation | 3 | 6 | 1.8K | 3.8K |
| 592 | Molecules | 1 | 6 | 2.6K | 3.0K |
| 592 | cell adhesion molecules | 2 | 6 | 911 | 2.0K |
| 592 | School Improvement Programs | 1 | 6 | 72 | 138 |
| 592 | psychotherapy | 1 | 6 | 2.7K | 3.3K |
| 592 | probabilities | 2 | 6 | 1.7K | 2.1K |
| 592 | Imaging systems | 1 | 6 | 1.4K | 1.6K |
| 592 | cell interaction | 2 | 6 | 1.8K | 3.3K |
| 592 | textile fibers | 1 | 6 | 1.1K | 1.3K |
| 592 | Memory | 1 | 6 | 4.0K | 5.3K |
| 592 | Chemical reactors | 1 | 6 | 281 | 334 |
| 592 | Cell communication | 2 | 6 | 1.3K | 2.7K |
| 592 | Investments | 2 | 6 | 643 | 1.0K |
| 613 | International Relations | 4 | 5 | 1.6K | 2.4K |
| 613 | Agricultural Education | 2 | 5 | 208 | 396 |
| 613 | Journalism | 1 | 5 | 1.0K | 1.1K |
| 613 | Numerical Analysis | 1 | 5 | 3.8K | 4.4K |
| 613 | Dynamics | 2 | 5 | 2.4K | 3.7K |
| 613 | emergency management | 1 | 5 | 2.0K | 2.8K |
| 613 | ethnicity | 2 | 5 | 1.1K | 1.9K |
| 613 | Sleep Disorders | 5 | 5 | 1.6K | 3.9K |
| 613 | Measurement | 2 | 5 | 1.3K | 2.5K |
| 613 | Race | 1 | 5 | 112 | 189 |
| 613 | Environmental Geochemistry | 1 | 5 | 1.3K | 1.9K |
| 613 | Freeze-Drying | 1 | 5 | 596 | 1.0K |
| 613 | Hypothermia | 1 | 5 | 596 | 1.0K |
| 613 | Adaptive control systems | 1 | 5 | 1.2K | 1.6K |
| 613 | Freeze Drying | 1 | 5 | 596 | 1.0K |
| 613 | Porous materials | 1 | 5 | 1.5K | 2.1K |
| 613 | medical education | 1 | 5 | 4.0K | 4.9K |
| 613 | Oral communication | 1 | 5 | 529 | 835 |
| 613 | Minerals | 1 | 5 | 1.6K | 2.3K |
| 632 | Civil Engineering | 1 | 4 | 3.2K | 3.5K |
| 632 | Software Engineering | 2 | 4 | 1.5K | 2.5K |
| 632 | Geriatric Medicine | 1 | 4 | 369 | 702 |
| 632 | Early Childhood Education | 2 | 4 | 774 | 1.5K |
| 632 | Clinical Psychology | 2 | 4 | 2.4K | 4.3K |
| 632 | Medical Oncology | 1 | 4 | 3.4K | 4.5K |
| 632 | Optical Communications | 1 | 4 | 1.6K | 2.0K |
| 632 | Remote Sensing | 1 | 4 | 2.1K | 2.7K |
| 632 | Aerial Photography | 1 | 4 | 31 | 29 |
| 632 | Integrated Optics | 1 | 4 | 224 | 282 |
| 632 | Organizational change | 1 | 4 | 1.4K | 2.0K |
| 632 | Communication and Culture | 1 | 4 | 525 | 676 |
| 632 | Photogrammetry | 1 | 4 | 446 | 576 |
| 632 | Risk assessment | 1 | 4 | 1.4K | 2.2K |
| 632 | Academic achievement | 1 | 4 | 98 | 183 |
| 632 | Fiber Optics | 1 | 4 | 1.5K | 2.1K |
| 632 | Russia | 3 | 4 | 777 | 571 |
| 632 | Radioisotopes | 1 | 4 | 2.1K | 2.7K |
| 632 | organizational effectiveness | 1 | 4 | 1.0K | 1.5K |
| 632 | Transplantation | 1 | 4 | 2.8K | 3.4K |
| 632 | Sleep | 4 | 4 | 1.8K | 4.0K |
| 653 | Gender Studies | 1 | 3 | 974 | 1.5K |
| 653 | Queer Studies | 1 | 3 | 617 | 1.1K |
| 653 | Logistics | 1 | 3 | 681 | 1.1K |
| 653 | Experimental Psychology | 1 | 3 | 1.0K | 1.5K |
| 653 | Food Safety | 1 | 3 | 667 | 1.2K |
| 653 | Inventory Control | 1 | 3 | 178 | 431 |
| 653 | Power Electronics | 1 | 3 | 1.7K | 2.4K |
| 653 | Seismology | 1 | 3 | 1.1K | 1.5K |
| 653 | Plant Ecology | 1 | 3 | 2.8K | 3.9K |
| 653 | Natural resources | 1 | 3 | 1.3K | 2.0K |
| 653 | Machining | 1 | 3 | 227 | 454 |
| 653 | Wetland ecology | 1 | 3 | 1.1K | 1.7K |
| 653 | Marriage | 1 | 3 | 1.1K | 1.8K |
| 653 | Child Development | 1 | 3 | 3.5K | 5.0K |
| 653 | System analysis | 2 | 3 | 3.3K | 5.8K |
| 653 | East Asia | 3 | 3 | 1.1K | 1.7K |
| 653 | Consumer education | 1 | 3 | 811 | 1.4K |
| 653 | homosexuality | 1 | 3 | 868 | 1.4K |
| 653 | student | 1 | 3 | 161 | 330 |
| 653 | child behavior | 1 | 3 | 751 | 1.2K |
| 653 | Post-traumatic stress disorder | 1 | 3 | 1.6K | 2.3K |
| 653 | plant communities | 1 | 3 | 2.0K | 3.0K |
| 653 | wetland management | 1 | 3 | 460 | 915 |
| 653 | enzymes | 1 | 3 | 2.5K | 3.8K |
| 653 | Nonlinear systems | 1 | 3 | 1.2K | 1.7K |
| 653 | Insect biochemistry | 1 | 3 | 813 | 1.3K |
| 653 | children | 1 | 3 | 1.1K | 1.6K |
| 680 | Game Theory | 1 | 2 | 923 | 1.4K |
| 680 | Industrial Statistics | 1 | 2 | 528 | 797 |
| 680 | Algebra | 2 | 2 | 1.8K | 2.5K |
| 680 | Fluid Dynamics | 1 | 2 | 1.7K | 2.5K |
| 680 | African Literature | 1 | 2 | 113 | 55 |
| 680 | community development | 1 | 2 | 902 | 1.4K |
| 680 | Religion | 1 | 2 | 2.2K | 2.1K |
| 680 | Integrated Circuits | 2 | 2 | 1.2K | 2.0K |
| 680 | Simulation Methods | 1 | 2 | 1.0K | 1.7K |
| 680 | Spirituality | 1 | 2 | 177 | 295 |
| 680 | Organometallic chemistry | 1 | 2 | 2.9K | 3.8K |
| 680 | Crisis Intervention | 1 | 2 | 422 | 840 |
| 680 | Ubiquitous computing | 1 | 2 | 256 | 426 |
| 680 | Community Colleges | 2 | 2 | 339 | 785 |
| 680 | Teaching | 1 | 2 | 3.1K | 4.1K |
| 680 | Organometallic compounds | 1 | 2 | 2.2K | 3.0K |
| 680 | industrial relations | 3 | 2 | 903 | 2.1K |
| 680 | irrigation | 1 | 2 | 756 | 1.2K |
| 680 | Military psychology | 1 | 2 | 270 | 495 |
| 680 | Molecular structure | 2 | 2 | 3.1K | 5.3K |
| 700 | Public Relations | 1 | 1 | 859 | 1.4K |
| 700 | Biopharmaceutics | 1 | 1 | 2.5K | 3.7K |
| 700 | Engineering Economics | 1 | 1 | 226 | 394 |
| 700 | Systems Analysis | 1 | 1 | 2.1K | 3.5K |
| 700 | Mathematical Physics | 1 | 1 | 4.5K | 5.2K |
| 700 | Combustion | 2 | 1 | 1.2K | 2.5K |
| 700 | consumer behavior | 1 | 1 | 1.1K | 1.8K |
| 700 | Solid State Chemistry | 1 | 1 | 3.1K | 4.3K |
| 700 | preventive medicine | 1 | 1 | 2.6K | 4.1K |
| 700 | Drug design | 1 | 1 | 3.5K | 5.0K |
| 700 | Crisis management | 1 | 1 | 401 | 741 |
| 700 | Turbulence | 2 | 1 | 463 | 1.0K |
| 700 | Communication in organizations | 1 | 1 | 135 | 174 |
| 700 | Hospitals | 1 | 1 | 2.2K | 3.2K |
| 700 | Therapeutics | 1 | 1 | 3.9K | 5.7K |
| 700 | drug therapy | 1 | 1 | 4.8K | 6.8K |
| 700 | Culture | 1 | 1 | 2.3K | 3.3K |
| 700 | health planning | 1 | 1 | 3.3K | 5.2K |
| 700 | Navigation | 1 | 1 | 1.1K | 1.6K |
| 700 | drug evaluation | 1 | 1 | 2.9K | 4.6K |
| 720 | Literature | 1 | 0 | 1.7K | 1.6K |
| 720 | Cytology | 1 | 0 | 7.4K | 10.0K |
| 720 | Computer Graphics | 1 | 0 | 2.6K | 4.0K |
| 720 | Database Management | 1 | 0 | 1.2K | 2.0K |
| 720 | Environmental Microbiology | 1 | 0 | 2.8K | 4.5K |
| 720 | Dietetics | 1 | 0 | 1.5K | 2.5K |
| 720 | Sociolinguistics | 1 | 0 | 1.0K | 1.5K |
| 720 | Regional Economics | 1 | 0 | 893 | 1.6K |
| 720 | Digital electronics | 1 | 0 | 490 | 919 |
| 720 | Organizational Behavior | 1 | 0 | 954 | 1.6K |
| 720 | Social History | 2 | 0 | 854 | 1.5K |
| 720 | Human Rights | 1 | 0 | 1.3K | 2.1K |
| 720 | Virtual reality | 1 | 0 | 895 | 1.6K |
| 720 | Animal health | 1 | 0 | 965 | 1.5K |
| 720 | Popular culture | 1 | 0 | 1.1K | 1.6K |
| 720 | Cognitive Radio Networks | 1 | 0 | 338 | 594 |
| 720 | Immunochemistry | 1 | 0 | 1.9K | 3.1K |
| 720 | Learning disabilities | 1 | 0 | 1.6K | 2.8K |
| 720 | Mass Media | 1 | 0 | 1.8K | 2.4K |
| 720 | elder abuse | 1 | 0 | 636 | 1.3K |
| 720 | Noise control | 1 | 0 | 554 | 509 |
| 720 | social development | 1 | 0 | 43 | 66 |
| 720 | Drug delivery devices | 1 | 0 | 600 | 1.2K |
| 720 | Multimedia Systems | 1 | 0 | 3.1K | 4.4K |
| 720 | Church History | 1 | 0 | 1.3K | 911 |
| 720 | civilization | 1 | 0 | 2.5K | 2.9K |
| 720 | Edible plants | 1 | 0 | 573 | 1.2K |
| 720 | Rhetoric | 1 | 0 | 365 | 480 |
| 720 | intervention | 1 | 0 | 213 | 392 |
| 720 | Library Science | 2 | 0 | 1.9K | 3.7K |
| 720 | welfare | 1 | 0 | 15 | 26 |
| 720 | System design | 1 | 0 | 607 | 1.1K |
| 720 | Radio | 1 | 0 | 2.8K | 4.1K |
| 720 | Employee rights | 2 | 0 | 129 | 431 |
| 720 | immunoassay | 1 | 0 | 562 | 1.2K |
| 720 | family violence | 1 | 0 | 805 | 1.6K |
| 720 | child abuse | 1 | 0 | 1.5K | 2.5K |
| 720 | sex crimes | 1 | 0 | 1.2K | 2.1K |
| 720 | mathematical analysis | 1 | 0 | 3.2K | 4.1K |
