| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Public Health | 419 | 11,203 | 252 | 332 |
| 2 | Science | 62 | 7,777 | 3.5K | 2.2K |
| 3 | Biology | 11 | 6,361 | 7.8K | 2.4K |
| 4 | Physics | 7 | 6,171 | 8.3K | 2.5K |
| 4 | Natural history | 4 | 6,171 | 4.8K | 1.6K |
| 6 | Medicine | 110 | 3,653 | 2.6K | 2.8K |
| 7 | Health Policy | 113 | 2,882 | 211 | 225 |
| 8 | Research | 41 | 2,068 | 3.7K | 2.6K |
| 9 | Epidemiology | 83 | 2,027 | 722 | 882 |
| 10 | Public Health Administration | 100 | 1,748 | 31 | 21 |
| 11 | Health Services Research | 20 | 1,185 | 655 | 337 |
| 12 | Geographic information systems | 5 | 456 | 909 | 186 |
| 13 | Information Science | 142 | 414 | 26 | 629 |
| 14 | Quality of life | 6 | 371 | 1.3K | 819 |
| 15 | Tropical Medicine | 24 | 353 | 539 | 746 |
| 15 | Biodiversity | 5 | 353 | 2.4K | 1.4K |
| 17 | Radio waves | 9 | 349 | 559 | 461 |
| 17 | Radio | 9 | 349 | 1.0K | 854 |
| 19 | Virology | 2 | 329 | 4.7K | 3.0K |
| 20 | Cytology | 2 | 275 | 5.9K | 3.9K |
| 21 | Cell Biology | 1 | 269 | 7.1K | 4.0K |
| 21 | Environmental Management | 1 | 269 | 4.6K | 2.0K |
| 23 | Microbiology | 5 | 262 | 6.8K | 5.8K |
| 24 | Geology | 19 | 261 | 1.4K | 1.6K |
| 25 | Hematology | 2 | 248 | 4.9K | 2.7K |
| 26 | Artificial Intelligence | 7 | 247 | 2.9K | 2.2K |
| 27 | Optics | 13 | 246 | 2.9K | 2.4K |
| 28 | Ecology | 7 | 234 | 5.2K | 5.6K |
| 29 | Biodiversity conservation | 2 | 231 | 2.5K | 1.8K |
| 30 | Hospitals | 1 | 230 | 2.1K | 575 |
| 31 | Adipose tissue | 1 | 225 | 238 | 14 |
| 32 | Nutrition | 9 | 221 | 3.6K | 3.8K |
| 33 | Critical Care | 2 | 215 | 2.7K | 1.9K |
| 33 | Critical Care Medicine | 2 | 215 | 2.4K | 1.9K |
| 35 | Biochemistry | 8 | 214 | 7.2K | 6.9K |
| 35 | Medical genetics | 2 | 214 | 4.3K | 3.1K |
| 37 | Water quality management | 4 | 205 | 2.0K | 1.1K |
| 38 | Bioinformatics | 8 | 203 | 1.8K | 1.9K |
| 39 | Genetic algorithms | 1 | 186 | 602 | 362 |
| 40 | Medical Microbiology | 2 | 171 | 3.6K | 2.6K |
| 41 | Environmental Health | 5 | 167 | 5.3K | 5.2K |
| 42 | Software Engineering | 8 | 160 | 688 | 655 |
| 42 | Environmental monitoring | 5 | 160 | 3.5K | 3.5K |
| 44 | Contraception | 2 | 156 | 918 | 452 |
| 44 | Reproductive health | 2 | 156 | 1.3K | 593 |
| 44 | Birth control | 2 | 156 | 731 | 357 |
| 47 | Climatology | 3 | 146 | 2.1K | 1.6K |
| 48 | Neurology | 5 | 140 | 5.5K | 5.6K |
| 48 | Toxicology | 9 | 140 | 3.5K | 4.6K |
| 50 | health services accessibility | 4 | 138 | 914 | 618 |
| 51 | Requirements Engineering | 2 | 131 | 91 | 70 |
| 51 | Public Policy | 10 | 131 | 912 | 1.4K |
| 53 | Environment | 3 | 128 | 5.9K | 6.3K |
| 54 | Hydrology | 1 | 126 | 4.3K | 2.0K |
| 54 | United States | 7 | 126 | 4.9K | 4.7K |
| 56 | Socioeconomic Factors | 3 | 125 | 900 | 649 |
| 57 | rehabilitation | 4 | 124 | 2.5K | 2.3K |
| 58 | Biomedical Engineering | 6 | 123 | 4.5K | 4.8K |
| 59 | System analysis | 9 | 121 | 1.5K | 1.8K |
| 59 | Volcanoes | 5 | 121 | 238 | 283 |
| 61 | Pharmacology | 10 | 116 | 3.9K | 5.5K |
| 62 | Sedimentology | 1 | 114 | 1.4K | 695 |
| 63 | Computational Biology | 6 | 108 | 2.9K | 3.3K |
| 63 | natural disasters | 3 | 108 | 1.5K | 1.3K |
| 65 | Production Engineering | 3 | 107 | 2.2K | 1.5K |
| 65 | Nonlinear Dynamics | 6 | 107 | 1.9K | 2.0K |
| 65 | urban health | 3 | 107 | 330 | 325 |
| 68 | Obstetrics | 4 | 106 | 2.9K | 2.7K |
| 69 | Sociology | 3 | 104 | 3.5K | 2.5K |
| 70 | pollutants | 2 | 101 | 2.5K | 2.2K |
| 70 | Environmental pollutants | 2 | 101 | 3.1K | 2.5K |
| 70 | Decision making | 4 | 101 | 1.6K | 1.4K |
| 73 | Systems Analysis | 7 | 100 | 728 | 912 |
| 73 | Genomics | 3 | 100 | 4.2K | 4.1K |
| 73 | Chromosome mapping | 3 | 100 | 2.4K | 2.5K |
| 73 | Health promotion | 3 | 100 | 2.1K | 1.7K |
| 73 | gene mapping | 3 | 100 | 2.7K | 2.9K |
| 78 | Food | 5 | 97 | 3.0K | 3.4K |
| 79 | Psychology | 2 | 95 | 7.5K | 5.4K |
| 79 | Library Science | 59 | 95 | 94 | 538 |
| 81 | Robotics | 5 | 94 | 1.4K | 1.5K |
| 81 | Diet | 4 | 94 | 2.5K | 3.3K |
| 81 | software | 1 | 94 | 1.7K | 1.0K |
| 84 | hazard mitigation | 2 | 93 | 1.3K | 924 |
| 85 | Environmental Policy | 3 | 92 | 3.4K | 3.8K |
| 85 | Land use | 2 | 92 | 1.3K | 985 |
| 85 | Medical Anthropology | 1 | 92 | 2.2K | 1.6K |
| 88 | Engineering | 3 | 91 | 5.2K | 3.6K |
| 88 | Entropy | 3 | 91 | 1.5K | 793 |
| 90 | Fuzzy systems | 2 | 90 | 2.3K | 1.0K |
| 91 | Travel | 2 | 89 | 1.4K | 744 |
| 91 | infection | 3 | 89 | 2.1K | 2.2K |
| 91 | Bacterial infections | 2 | 89 | 1.4K | 1.5K |
| 94 | Statistical physics | 5 | 88 | 3.3K | 3.3K |
| 95 | Electronics | 7 | 87 | 3.1K | 3.4K |
| 95 | computer networks | 4 | 87 | 2.2K | 1.9K |
| 97 | Emergency Medical Services | 1 | 86 | 2.2K | 806 |
| 97 | Emergency Medicine | 1 | 86 | 3.3K | 1.6K |
| 97 | Europe | 4 | 86 | 3.8K | 3.0K |
| 100 | Molecular Biology | 3 | 85 | 9.5K | 9.6K |
| 100 | Therapeutics | 3 | 85 | 2.5K | 2.8K |
| 102 | Environmental Engineering | 2 | 83 | 5.5K | 4.7K |
| 102 | Environmental Law | 2 | 83 | 1.4K | 1.7K |
| 102 | environmental protection | 2 | 83 | 4.8K | 4.2K |
| 105 | Microwaves | 6 | 82 | 1.2K | 1.2K |
| 106 | Statistics | 4 | 81 | 2.8K | 2.5K |
| 107 | Reproduction | 4 | 80 | 2.6K | 2.8K |
| 108 | genome | 3 | 79 | 2.2K | 2.8K |
| 109 | Nanostructured Materials | 2 | 78 | 4.3K | 3.7K |
| 109 | Parasitology | 5 | 78 | 2.4K | 2.7K |
| 111 | Coastal zone management | 3 | 76 | 490 | 464 |
| 111 | Fiber Optics | 3 | 76 | 961 | 882 |
| 113 | Botany | 2 | 75 | 5.0K | 4.5K |
| 114 | Catalysis | 1 | 74 | 4.8K | 3.7K |
| 115 | Bacteriology | 7 | 72 | 1.3K | 2.6K |
| 116 | Petrology | 4 | 70 | 776 | 976 |
| 117 | Biophysics | 2 | 69 | 8.0K | 6.6K |
| 118 | Multimedia Systems | 3 | 68 | 1.9K | 1.4K |
| 119 | Cybernetics | 2 | 67 | 2.2K | 1.9K |
| 119 | Medical Physics | 1 | 67 | 3.4K | 2.3K |
| 119 | Primary health care | 4 | 67 | 2.0K | 2.2K |
| 119 | venom | 1 | 67 | 1.1K | 729 |
| 119 | Toxins | 1 | 67 | 1.3K | 851 |
| 124 | Population | 3 | 66 | 1.1K | 1.1K |
| 125 | Otolaryngology | 1 | 65 | 1.3K | 806 |
| 126 | Analytical Chemistry | 1 | 63 | 7.2K | 5.4K |
| 126 | Optical Communications | 1 | 63 | 1.6K | 752 |
| 126 | Photonics | 1 | 63 | 3.2K | 2.4K |
| 129 | Economic History | 3 | 62 | 4.1K | 2.7K |
| 130 | Psychiatry | 9 | 60 | 3.7K | 6.2K |
| 130 | Clinical Pharmacology | 1 | 60 | 2.5K | 1.7K |
| 130 | viruses | 1 | 60 | 2.9K | 2.7K |
| 130 | drug therapy | 1 | 60 | 4.6K | 3.5K |
| 134 | Nursing | 1 | 59 | 3.9K | 2.0K |
| 134 | Industrial Design | 2 | 59 | 463 | 340 |
| 134 | Agriculture | 5 | 59 | 2.1K | 2.7K |
| 137 | Chemistry | 6 | 55 | 9.0K | 11.9K |
| 137 | alcoholism | 4 | 55 | 1.6K | 2.2K |
| 139 | Surgery | 1 | 54 | 4.2K | 3.9K |
| 139 | drug addiction | 3 | 54 | 1.5K | 1.8K |
| 141 | Telecommunication | 6 | 52 | 2.1K | 2.6K |
| 141 | libraries | 48 | 52 | 46 | 356 |
| 143 | health behavior | 2 | 51 | 1.6K | 1.6K |
| 143 | Substance Abuse | 2 | 51 | 2.2K | 2.0K |
| 143 | Respiratory system | 1 | 51 | 1.3K | 1.1K |
| 143 | Respiration | 1 | 51 | 2.9K | 2.4K |
| 147 | Manufacturing Processes | 2 | 49 | 2.8K | 2.4K |
| 148 | Dietetics | 1 | 48 | 1.4K | 994 |
| 148 | Mineralogy | 3 | 48 | 1.6K | 1.8K |
| 148 | Product Design | 1 | 48 | 598 | 317 |
| 148 | Earth Sciences | 9 | 48 | 2.1K | 3.5K |
| 152 | Psychosomatic Medicine | 1 | 47 | 1.5K | 1.4K |
| 152 | Signal Processing | 3 | 47 | 2.7K | 3.0K |
| 152 | soil conservation | 1 | 47 | 1.7K | 1.3K |
| 152 | land degradation | 1 | 47 | 1.1K | 873 |
| 152 | degradation | 1 | 47 | 1.1K | 873 |
| 157 | Antiviral agents | 2 | 46 | 586 | 679 |
| 157 | Diagnostic microbiology | 2 | 46 | 2.1K | 3.0K |
| 159 | Geography | 9 | 44 | 1.5K | 2.9K |
| 159 | Marine resources | 1 | 44 | 839 | 596 |
| 159 | pain | 4 | 44 | 1.7K | 2.6K |
| 162 | protein | 3 | 43 | 1.6K | 2.0K |
| 162 | proteins | 3 | 43 | 2.8K | 3.5K |
| 164 | Biogeography | 1 | 41 | 1.8K | 2.0K |
| 164 | Polymers | 1 | 41 | 7.1K | 5.7K |
| 164 | Alternative Medicine | 2 | 41 | 2.9K | 3.0K |
| 164 | complementary therapies | 2 | 41 | 3.2K | 3.2K |
| 164 | polymerization | 1 | 41 | 5.9K | 4.7K |
| 169 | Education | 8 | 40 | 2.9K | 4.2K |
| 169 | behavioral medicine | 1 | 40 | 2.9K | 2.7K |
| 169 | Sleep Disorders | 1 | 40 | 3.1K | 2.5K |
| 169 | Obesity | 1 | 40 | 4.0K | 3.8K |
| 169 | Eating Disorders | 1 | 40 | 1.8K | 1.5K |
| 169 | Feeding and Eating Disorders | 1 | 40 | 1.7K | 1.5K |
| 169 | feeding behavior | 1 | 40 | 1.2K | 1.2K |
| 169 | Detectors | 5 | 40 | 1.3K | 2.0K |
| 169 | Sleep | 1 | 40 | 3.1K | 2.5K |
| 178 | Pharmaceutical Chemistry | 8 | 39 | 3.2K | 5.9K |
| 178 | Liquid Crystals | 1 | 39 | 1.7K | 963 |
| 180 | hygiene | 1 | 38 | 1.3K | 1.0K |
| 181 | marketing | 2 | 37 | 2.1K | 2.2K |
| 181 | Condensed Matter | 3 | 37 | 3.8K | 4.0K |
| 181 | drugs | 2 | 37 | 2.9K | 3.2K |
| 184 | Organic Chemistry | 2 | 36 | 4.1K | 4.2K |
| 184 | Mathematical Physics | 1 | 36 | 4.6K | 2.8K |
| 184 | Decision Support Systems | 2 | 36 | 422 | 412 |
| 187 | Developing countries | 4 | 35 | 1.9K | 3.0K |
| 188 | locomotion | 1 | 34 | 1.0K | 978 |
| 188 | posture | 1 | 34 | 1.0K | 978 |
| 188 | mathematical analysis | 1 | 34 | 3.2K | 1.9K |
| 188 | gait | 1 | 34 | 1.0K | 978 |
| 188 | walking | 1 | 34 | 1.0K | 978 |
| 193 | Materials Science | 3 | 33 | 5.6K | 6.4K |
| 193 | Information Theory | 1 | 33 | 2.4K | 1.9K |
| 193 | Psychopharmacology | 3 | 33 | 2.1K | 3.0K |
| 193 | Materials | 3 | 33 | 6.2K | 7.4K |
| 193 | Parasites | 2 | 33 | 2.3K | 2.5K |
| 198 | Electrical Engineering | 9 | 32 | 2.7K | 3.7K |
| 198 | Water pollution | 2 | 32 | 3.4K | 4.1K |
| 198 | Latin America | 18 | 32 | 762 | 1.2K |
| 201 | Operations Research | 1 | 31 | 3.4K | 2.7K |
| 201 | city planning | 2 | 31 | 2.0K | 2.1K |
| 203 | Archaeology | 1 | 30 | 2.3K | 1.5K |
| 203 | Nuclear Chemistry | 1 | 30 | 1.8K | 1.2K |
| 203 | Radiochemistry | 1 | 30 | 2.0K | 1.4K |
| 203 | synthesis | 1 | 30 | 2.0K | 1.4K |
| 207 | Civil Engineering | 1 | 29 | 3.2K | 1.9K |
| 207 | Biocompatible Materials | 1 | 29 | 6.1K | 6.3K |
| 209 | Architecture | 2 | 28 | 1.0K | 715 |
| 209 | Solid State Physics | 2 | 28 | 4.7K | 4.7K |
| 209 | Geophysics | 2 | 28 | 4.5K | 5.0K |
| 212 | Astronomy | 2 | 27 | 3.3K | 3.5K |
| 212 | History of Medicine | 9 | 27 | 305 | 412 |
| 212 | Nervous system | 1 | 27 | 4.5K | 4.7K |
| 212 | Scandinavia | 1 | 27 | 1.4K | 1.2K |
| 216 | construction | 1 | 26 | 216 | 316 |
| 216 | Psychophysiology | 3 | 26 | 3.2K | 4.8K |
| 218 | Medical Technology | 1 | 25 | 4.0K | 3.7K |
| 218 | Remote Sensing | 1 | 25 | 2.0K | 1.6K |
| 220 | Parasitic Diseases | 2 | 24 | 3.1K | 4.0K |
| 221 | environmental pollution | 1 | 23 | 6.6K | 7.2K |
| 221 | Pollution | 1 | 23 | 8.4K | 8.9K |
| 221 | Gastrointestinal diseases | 1 | 23 | 1.7K | 1.6K |
| 221 | Liver diseases | 1 | 23 | 2.9K | 3.4K |
| 225 | Mechanical Engineering | 2 | 22 | 3.3K | 3.1K |
| 225 | Parallel Processing | 2 | 22 | 550 | 880 |
| 225 | Human biology | 2 | 22 | 1.0K | 1.3K |
| 228 | Social Sciences | 8 | 21 | 2.7K | 5.0K |
| 228 | Marine Biology | 2 | 21 | 3.3K | 4.2K |
| 228 | Information Systems | 2 | 21 | 2.1K | 2.8K |
| 228 | Graph Theory | 1 | 21 | 1.4K | 844 |
| 228 | Demography | 2 | 21 | 1.1K | 1.5K |
| 228 | Educational Sociology | 3 | 21 | 333 | 574 |
| 228 | infrared radiation | 2 | 21 | 494 | 564 |
| 228 | Diagnostic Imaging | 1 | 21 | 4.2K | 3.8K |
| 228 | Communication | 18 | 21 | 736 | 3.1K |
| 228 | infrared technology | 2 | 21 | 357 | 327 |
| 238 | Informatics | 3 | 20 | 1.1K | 1.9K |
| 238 | Forest genetics | 1 | 20 | 729 | 678 |
| 240 | Nanotechnology | 3 | 19 | 5.8K | 8.1K |
| 240 | Dynamics | 1 | 19 | 3.1K | 2.7K |
| 240 | Bifurcation Theory | 1 | 19 | 1.1K | 1.0K |
| 243 | Mathematics | 1 | 18 | 9.0K | 7.0K |
| 243 | Social Choice Theory | 1 | 18 | 441 | 405 |
| 243 | Welfare Economics | 1 | 18 | 837 | 852 |
| 243 | food technology | 1 | 18 | 3.9K | 4.3K |
| 243 | livestock | 2 | 18 | 873 | 947 |
| 243 | drug control | 2 | 18 | 508 | 902 |
| 243 | Population Dynamics | 1 | 18 | 429 | 473 |
| 250 | Computer Science | 4 | 17 | 2.2K | 3.4K |
| 250 | Micropaleontology | 1 | 17 | 222 | 226 |
| 250 | Image Processing | 7 | 17 | 1.5K | 3.6K |
| 250 | Water | 1 | 17 | 3.5K | 4.1K |
| 250 | bioclimatology | 1 | 17 | 1.9K | 2.1K |
| 250 | Cardiovascular diseases | 2 | 17 | 2.6K | 3.4K |
| 250 | optical pattern recognition | 7 | 17 | 58 | 227 |
| 250 | Climate | 1 | 17 | 1.1K | 1.5K |
| 250 | weather | 1 | 17 | 1.1K | 1.4K |
| 250 | drug evaluation | 1 | 17 | 2.8K | 3.2K |
| 260 | Soil Science | 1 | 16 | 2.8K | 3.0K |
| 260 | Clinical Chemistry | 1 | 16 | 4.9K | 5.7K |
| 260 | Child Development | 2 | 16 | 2.7K | 4.0K |
| 260 | pain management | 1 | 16 | 1.5K | 1.6K |
| 260 | disease vectors | 1 | 16 | 2.0K | 2.5K |
| 260 | Behavior | 2 | 16 | 4.4K | 6.4K |
| 266 | Software Maintenance | 1 | 15 | 466 | 433 |
| 266 | Public Administration | 1 | 15 | 2.7K | 2.3K |
| 266 | emergency management | 1 | 15 | 2.0K | 2.0K |
| 266 | Marine Pollution | 1 | 15 | 1.8K | 2.4K |
| 266 | animals | 1 | 15 | 2.8K | 2.7K |
| 271 | History | 4 | 14 | 1.2K | 1.0K |
| 271 | Information Technology | 2 | 14 | 3.6K | 4.4K |
| 271 | Electromagnetism | 2 | 14 | 1.4K | 1.9K |
| 271 | Boundary Value Problems | 2 | 14 | 1.0K | 1.3K |
| 271 | Antenna Arrays | 2 | 14 | 703 | 1.1K |
| 271 | Wireless Communication Systems | 2 | 14 | 3.0K | 3.7K |
| 271 | Neural circuitry | 1 | 14 | 2.9K | 3.4K |
| 271 | Bioorganic chemistry | 2 | 14 | 3.5K | 4.9K |
| 271 | Business Intelligence | 4 | 14 | 37 | 99 |
| 271 | civilization | 10 | 14 | 777 | 1.1K |
| 271 | Family | 1 | 14 | 1.8K | 2.1K |
| 271 | families | 1 | 14 | 1.6K | 1.7K |
| 271 | Ethnology | 2 | 14 | 2.1K | 2.5K |
| 284 | Historiography | 1 | 13 | 543 | 358 |
| 284 | Mental Disorders | 2 | 13 | 5.2K | 7.0K |
| 284 | microwave antennas | 2 | 13 | 634 | 896 |
| 284 | Radio wave propagation | 2 | 13 | 1.3K | 1.7K |
| 284 | Calorimetry | 1 | 13 | 2.2K | 2.4K |
| 284 | Biometrics | 1 | 13 | 2.2K | 2.3K |
| 284 | Thermal analysis | 1 | 13 | 2.2K | 2.4K |
| 291 | Geomorphology | 3 | 12 | 993 | 2.0K |
| 291 | Real-time Data Processing | 1 | 12 | 189 | 248 |
| 291 | Diffusion of innovations | 1 | 12 | 332 | 488 |
| 291 | water resources | 1 | 12 | 464 | 464 |
| 291 | drug development | 1 | 12 | 2.4K | 3.3K |
| 291 | Spine | 1 | 12 | 1.5K | 2.0K |
| 297 | Electrophoresis | 1 | 11 | 3.2K | 3.9K |
| 297 | Mass Media | 20 | 11 | 240 | 1.2K |
| 297 | scholarly publishing | 1 | 11 | 374 | 383 |
| 297 | Japan | 11 | 11 | 1.2K | 3.9K |
| 301 | Pharmacognosy | 1 | 10 | 3.2K | 4.1K |
| 301 | Molecular Genetics | 1 | 10 | 3.5K | 4.6K |
| 301 | Medicinal plants | 1 | 10 | 2.5K | 3.2K |
| 301 | Drug design | 2 | 10 | 2.7K | 4.1K |
| 301 | Molecular evolution | 1 | 10 | 2.9K | 3.9K |
| 301 | Neuroplasticity | 1 | 10 | 1.0K | 1.4K |
| 301 | neuronal plasticity | 1 | 10 | 818 | 1.2K |
| 301 | biological evolution | 1 | 10 | 3.9K | 5.0K |
| 301 | Phylogeny | 1 | 10 | 1.6K | 2.2K |
| 310 | Structural optimization | 1 | 9 | 751 | 990 |
| 310 | Animal health | 1 | 9 | 980 | 1.1K |
| 310 | Popular culture | 12 | 9 | 174 | 754 |
| 310 | communication and technology | 12 | 9 | 2 | 4 |
| 310 | machinery | 1 | 9 | 1.3K | 1.3K |
| 310 | Product life cycle | 1 | 9 | 708 | 1.1K |
| 310 | green products | 1 | 9 | 645 | 990 |
| 310 | South America | 5 | 9 | 86 | 174 |
| 318 | Humanities | 3 | 8 | 2.2K | 3.2K |
| 318 | Political Science | 3 | 8 | 2.3K | 3.0K |
| 318 | Pharmacy | 1 | 8 | 4.0K | 5.1K |
| 318 | Organizational Sociology | 1 | 8 | 613 | 813 |
| 318 | Telemedicine | 1 | 8 | 1.0K | 1.6K |
| 318 | Ceramic materials | 1 | 8 | 2.0K | 2.4K |
| 318 | microwave communication systems | 1 | 8 | 877 | 1.0K |
| 318 | Mycology | 1 | 8 | 2.9K | 3.5K |
| 318 | Colloids | 1 | 8 | 5.1K | 6.5K |
| 318 | psychotherapy | 1 | 8 | 2.6K | 3.0K |
| 318 | Microwave devices | 1 | 8 | 966 | 1.1K |
| 318 | Entomology | 1 | 8 | 4.2K | 4.5K |
| 330 | Systems Engineering | 2 | 7 | 3.1K | 4.4K |
| 330 | Journalism | 1 | 7 | 997 | 1.0K |
| 330 | Educational Technology | 1 | 7 | 3.0K | 3.6K |
| 330 | Organometallic chemistry | 1 | 7 | 2.8K | 3.3K |
| 330 | Bioinorganic chemistry | 1 | 7 | 2.4K | 3.2K |
| 330 | Reproductive toxicology | 1 | 7 | 792 | 1.4K |
| 330 | Documentation | 3 | 7 | 368 | 887 |
| 330 | Prospecting | 1 | 7 | 249 | 336 |
| 330 | Australia | 1 | 7 | 4.1K | 4.8K |
| 330 | Spain | 3 | 7 | 808 | 1.1K |
| 340 | Oncology | 1 | 6 | 4.4K | 6.1K |
| 340 | Economics | 2 | 6 | 5.3K | 6.7K |
| 340 | Linguistics | 2 | 6 | 2.1K | 2.5K |
| 340 | Environmental Geology | 1 | 6 | 2.6K | 3.4K |
| 340 | Political Sociology | 1 | 6 | 818 | 1.0K |
| 340 | Music | 2 | 6 | 1.4K | 1.9K |
| 340 | industrial hygiene | 2 | 6 | 1.9K | 3.0K |
| 340 | voice | 2 | 6 | 710 | 1.3K |
| 340 | Geriatric Oncology | 1 | 6 | 1.2K | 1.8K |
| 340 | Semantic web | 1 | 6 | 295 | 492 |
| 340 | Argentina | 2 | 6 | 268 | 257 |
| 340 | Chronic diseases | 1 | 6 | 1.3K | 2.0K |
| 352 | Occupational Therapy | 1 | 5 | 2.4K | 2.8K |
| 352 | Physical Geography | 10 | 5 | 245 | 1.5K |
| 352 | Ethics | 1 | 5 | 2.1K | 2.8K |
| 352 | Occupational Health | 1 | 5 | 2.7K | 3.2K |
| 352 | Industrial Safety | 1 | 5 | 2.1K | 2.6K |
| 352 | Health Education | 2 | 5 | 2.8K | 5.1K |
| 352 | Technological Innovations | 1 | 5 | 2.0K | 2.7K |
| 352 | Professional ethics | 1 | 5 | 694 | 1.2K |
| 352 | Technology | 5 | 5 | 4.0K | 8.9K |
| 352 | Optical materials | 1 | 5 | 3.7K | 4.8K |
| 352 | Interfaces | 1 | 5 | 241 | 460 |
| 352 | human behavior | 1 | 5 | 4.2K | 6.0K |
| 352 | Communication in medicine | 1 | 5 | 1.1K | 1.7K |
| 352 | innovation | 1 | 5 | 1.1K | 1.7K |
| 352 | health services | 1 | 5 | 2.4K | 3.5K |
| 352 | Growth | 1 | 5 | 2.3K | 3.2K |
| 352 | optical devices | 1 | 5 | 992 | 1.3K |
| 352 | health planning | 1 | 5 | 3.3K | 4.6K |
| 352 | women | 2 | 5 | 1.2K | 2.0K |
| 371 | Biotechnology | 1 | 4 | 10.3K | 12.8K |
| 371 | Bioengineering | 1 | 4 | 7.4K | 9.5K |
| 371 | Public Relations | 4 | 4 | 311 | 1.1K |
| 371 | Biochemical Engineering | 2 | 4 | 3.6K | 6.4K |
| 371 | Microbial Ecology | 1 | 4 | 4.3K | 6.1K |
| 371 | Health | 2 | 4 | 3.8K | 6.8K |
| 371 | Nanoparticles | 1 | 4 | 3.5K | 4.6K |
| 371 | food contamination | 1 | 4 | 2.2K | 3.0K |
| 371 | Nanostructures | 1 | 4 | 3.9K | 5.1K |
| 371 | Communication in organizations | 4 | 4 | 35 | 121 |
| 371 | miniaturization | 1 | 4 | 3.6K | 4.8K |
| 371 | Cancer | 2 | 4 | 5.5K | 8.0K |
| 383 | Law | 4 | 3 | 1.7K | 2.7K |
| 383 | Engineering Mathematics | 2 | 3 | 3.7K | 5.5K |
| 383 | Animal husbandry | 1 | 3 | 796 | 1.1K |
| 383 | soil microbiology | 1 | 3 | 2.5K | 3.9K |
| 383 | Quantum Optics | 1 | 3 | 1.6K | 2.1K |
| 383 | Gene expression regulation | 1 | 3 | 2.1K | 3.0K |
| 383 | Cell differentiation | 1 | 3 | 3.4K | 4.7K |
| 383 | Inflammation | 1 | 3 | 2.7K | 3.9K |
| 383 | DNA methylation | 1 | 3 | 771 | 1.3K |
| 383 | natural history museums | 1 | 3 | 236 | 295 |
| 383 | Plant diseases | 1 | 3 | 3.3K | 4.3K |
| 383 | Atomic spectroscopy | 1 | 3 | 1.7K | 2.3K |
| 383 | Jurisprudence | 3 | 3 | 1.3K | 2.9K |
| 383 | Laser Spectroscopy | 1 | 3 | 1.5K | 2.0K |
| 383 | herbicides | 1 | 3 | 730 | 1.2K |
| 398 | Literature | 7 | 2 | 614 | 1.0K |
| 398 | Higher Education | 1 | 2 | 1.1K | 1.7K |
| 398 | Community Psychiatry | 1 | 2 | 2.4K | 3.6K |
| 398 | Nanoelectronics | 1 | 2 | 1.1K | 1.7K |
| 398 | Microelectronics | 1 | 2 | 3.0K | 4.2K |
| 398 | Democracy | 1 | 2 | 735 | 851 |
| 398 | Computational Intelligence | 1 | 2 | 2.3K | 3.1K |
| 398 | Political Parties | 1 | 2 | 409 | 600 |
| 398 | medical education | 1 | 2 | 4.0K | 5.3K |
| 398 | Microorganisms | 1 | 2 | 2.4K | 3.6K |
| 398 | information | 1 | 2 | 141 | 234 |
| 409 | Arts | 4 | 1 | 456 | 1.4K |
| 409 | Anthropology | 2 | 1 | 2.4K | 4.1K |
| 409 | Philosophy | 3 | 1 | 1.9K | 3.0K |
| 409 | Neuropsychology | 1 | 1 | 4.0K | 5.8K |
| 409 | Latin American Literature | 4 | 1 | 326 | 395 |
| 409 | Veterinary Pathology | 1 | 1 | 748 | 1.2K |
| 409 | Historic Preservation | 1 | 1 | 269 | 563 |
| 409 | Human-Computer Interaction | 1 | 1 | 2.9K | 4.6K |
| 409 | Educational Anthropology | 1 | 1 | 238 | 422 |
| 409 | Neurophysiology | 1 | 1 | 4.6K | 6.4K |
| 409 | Animal breeding | 1 | 1 | 1.3K | 2.0K |
| 409 | Tourism | 1 | 1 | 2.4K | 3.5K |
| 409 | Research Design | 1 | 1 | 2.4K | 4.0K |
| 409 | terrorism | 1 | 1 | 623 | 1.0K |
| 409 | Evidence-Based Medicine | 1 | 1 | 2.8K | 4.2K |
| 409 | Health insurance | 1 | 1 | 1.1K | 2.0K |
| 409 | Brain | 1 | 1 | 4.0K | 5.6K |
| 409 | Liposomes | 1 | 1 | 1.1K | 1.9K |
| 409 | information warfare | 1 | 1 | 37 | 103 |
| 409 | Lipid bilayers | 1 | 1 | 883 | 1.4K |
| 409 | government | 1 | 1 | 1.4K | 1.9K |
| 409 | Museum | 1 | 1 | 2 | 1 |
| 409 | Planets | 1 | 1 | 2.8K | 3.9K |
| 409 | ADA | 1 | 1 | 143 | 145 |
| 409 | Archives | 1 | 1 | 257 | 331 |
| 409 | drug abuse | 1 | 1 | 1.5K | 2.5K |
| 409 | civil service | 1 | 1 | 747 | 1.2K |
| 409 | Breeding | 1 | 1 | 2.4K | 3.6K |
| 409 | Cognition | 1 | 1 | 2.9K | 4.4K |
| 438 | Chemical Engineering | 1 | 0 | 6.2K | 8.4K |
| 438 | Constitutional Law | 1 | 0 | 464 | 584 |
| 438 | Distance Education | 1 | 0 | 979 | 1.9K |
| 438 | Visual Communication | 1 | 0 | 598 | 1.1K |
| 438 | Health Information Management | 1 | 0 | 261 | 688 |
| 438 | Theology | 1 | 0 | 1.9K | 2.0K |
| 438 | Internet of Things | 1 | 0 | 1.6K | 2.4K |
| 438 | Astrophysics | 1 | 0 | 4.3K | 5.6K |
| 438 | Numerical Analysis | 1 | 0 | 3.8K | 5.2K |
| 438 | Digital electronics | 1 | 0 | 486 | 906 |
| 438 | Organizational Behavior | 1 | 0 | 954 | 1.6K |
| 438 | Control Theory | 1 | 0 | 2.8K | 4.1K |
| 438 | Diabetes mellitus | 1 | 0 | 4.1K | 6.2K |
| 438 | Communication and Culture | 1 | 0 | 515 | 895 |
| 438 | Politics | 1 | 0 | 1.3K | 1.9K |
| 438 | Electrochemistry | 1 | 0 | 5.1K | 6.5K |
| 438 | women's rights | 1 | 0 | 463 | 866 |
| 438 | adolescence | 1 | 0 | 1.8K | 3.0K |
| 438 | Adolescent Psychology | 1 | 0 | 1.7K | 2.8K |
| 438 | Knowledge management | 2 | 0 | 577 | 2.0K |
| 438 | Business | 2 | 0 | 2.7K | 5.0K |
| 438 | Respiratory Infections | 1 | 0 | 903 | 1.6K |
| 438 | Eastern Europe | 1 | 0 | 2.5K | 3.2K |
| 438 | Adolescent | 1 | 0 | 4.4K | 6.4K |
| 438 | confidentiality | 1 | 0 | 13 | 32 |
| 438 | Classification | 1 | 0 | 887 | 1.5K |
| 438 | cataloging | 1 | 0 | 274 | 477 |
| 438 | internet | 2 | 0 | 1.9K | 3.9K |
| 438 | commerce | 2 | 0 | 1.9K | 3.8K |
| 438 | Cell death | 1 | 0 | 2.4K | 3.5K |
| 438 | cultural pluralism | 1 | 0 | 740 | 1.3K |
| 438 | Missions | 1 | 0 | 211 | 301 |
| 438 | Women's health | 1 | 0 | 3.0K | 4.7K |
| 438 | Leisure | 1 | 0 | 681 | 1.2K |
| 438 | Diabetes | 1 | 0 | 4.2K | 6.2K |
| 438 | Influenza | 1 | 0 | 789 | 1.4K |
