| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|
| 1 | Medicine | 293 | 5,127 | 1.2K | 2.2K |
| 2 | Public Health | 134 | 4,312 | 755 | 750 |
| 3 | Epidemiology | 53 | 2,629 | 989 | 693 |
| 4 | Biology | 143 | 2,239 | 1.9K | 4.1K |
| 5 | Human genetics | 9 | 2,163 | 1.9K | 1.5K |
| 6 | Science | 112 | 1,928 | 2.4K | 4.7K |
| 7 | Research | 147 | 1,858 | 1.6K | 2.8K |
| 8 | Nutrition | 61 | 1,664 | 1.1K | 1.2K |
| 9 | Psychiatry | 54 | 1,629 | 1.4K | 1.5K |
| 10 | Infertility | 5 | 1,574 | 792 | 182 |
| 10 | fertility | 5 | 1,574 | 798 | 184 |
| 12 | Diabetes mellitus | 32 | 1,402 | 746 | 830 |
| 12 | Diabetes | 32 | 1,402 | 816 | 865 |
| 14 | Physics | 49 | 1,164 | 3.6K | 5.3K |
| 15 | medical education | 41 | 1,161 | 440 | 366 |
| 16 | Endocrinology | 33 | 1,143 | 1.2K | 1.4K |
| 17 | Chemistry | 35 | 1,113 | 4.4K | 4.4K |
| 18 | Diet | 23 | 1,094 | 894 | 889 |
| 19 | Psychology | 30 | 1,074 | 2.0K | 1.6K |
| 20 | Mental Disorders | 42 | 1,060 | 1.0K | 1.4K |
| 21 | Parasitology | 48 | 1,020 | 554 | 566 |
| 22 | Toxicology | 31 | 1,019 | 1.8K | 1.7K |
| 23 | complementary therapies | 40 | 997 | 300 | 259 |
| 24 | Oncology | 6 | 996 | 2.1K | 1.3K |
| 25 | Alternative Medicine | 39 | 990 | 299 | 256 |
| 26 | Pharmacognosy | 25 | 962 | 485 | 442 |
| 27 | Nuclear Physics | 54 | 917 | 1.6K | 1.7K |
| 28 | Medicinal plants | 21 | 865 | 342 | 270 |
| 29 | Ecology | 23 | 830 | 2.9K | 3.2K |
| 30 | Tropical Medicine | 26 | 821 | 497 | 333 |
| 31 | Metabolic diseases | 25 | 788 | 1.1K | 1.5K |
| 32 | Immunology | 32 | 736 | 1.7K | 2.2K |
| 33 | Medical genetics | 26 | 730 | 1.4K | 1.8K |
| 34 | Biochemistry | 26 | 729 | 4.4K | 4.3K |
| 35 | Asia | 73 | 723 | 214 | 297 |
| 36 | United States | 9 | 676 | 4.2K | 1.9K |
| 37 | urban health | 4 | 651 | 266 | 71 |
| 38 | Microbiology | 27 | 650 | 3.3K | 4.0K |
| 39 | Pollution | 20 | 648 | 2.6K | 2.9K |
| 40 | Malaria | 35 | 619 | 146 | 227 |
| 41 | Adolescent | 31 | 598 | 594 | 677 |
| 42 | Child | 31 | 593 | 863 | 918 |
| 43 | Pharmacology | 24 | 590 | 2.5K | 2.7K |
| 44 | Clinical Psychology | 3 | 569 | 2.0K | 882 |
| 45 | Reproduction | 7 | 547 | 2.0K | 1.1K |
| 46 | Developing countries | 16 | 528 | 661 | 471 |
| 47 | Molecular Biology | 23 | 526 | 4.4K | 5.4K |
| 48 | Parasitic Diseases | 21 | 511 | 787 | 920 |
| 49 | environmental pollution | 14 | 494 | 2.3K | 2.2K |
| 50 | Biotechnology | 36 | 493 | 2.3K | 4.0K |
| 51 | Parasites | 24 | 483 | 433 | 501 |
| 52 | Embryology | 1 | 476 | 3.1K | 1.2K |
| 53 | Metabolic syndrome | 3 | 446 | 229 | 19 |
| 54 | Environmental Health | 21 | 445 | 2.5K | 3.3K |
| 55 | Meteorology | 11 | 442 | 1.3K | 1.3K |
| 56 | Natural history | 15 | 433 | 2.4K | 5.1K |
| 57 | Pacific Islands | 24 | 417 | 37 | 27 |
| 58 | Medical Microbiology | 12 | 395 | 1.5K | 1.8K |
| 59 | Global Health | 20 | 372 | 281 | 259 |
| 60 | Metabolism | 8 | 365 | 2.3K | 2.3K |
| 61 | breastfeeding | 5 | 357 | 424 | 137 |
| 62 | Evidence-Based Medicine | 20 | 352 | 344 | 365 |
| 63 | biological evolution | 6 | 342 | 1.8K | 1.6K |
| 64 | Mass Spectrometry | 4 | 341 | 1.5K | 760 |
| 64 | Environment | 6 | 341 | 4.4K | 4.3K |
| 66 | Physical fitness | 3 | 340 | 1.3K | 585 |
| 67 | Critical Care | 6 | 338 | 1.6K | 1.6K |
| 68 | Critical Care Medicine | 6 | 337 | 1.5K | 1.6K |
| 69 | Evolution | 6 | 324 | 1.7K | 1.4K |
| 70 | Education | 17 | 321 | 1.9K | 1.4K |
| 71 | Nanotechnology | 12 | 319 | 3.3K | 3.6K |
| 72 | Obesity | 9 | 308 | 1.5K | 1.6K |
| 73 | Neurology | 27 | 307 | 2.6K | 4.3K |
| 74 | Pathogens | 11 | 283 | 14 | 10 |
| 75 | Cancer | 17 | 282 | 2.2K | 3.1K |
| 76 | Pediatrics | 23 | 273 | 1.1K | 2.2K |
| 76 | Biodiversity conservation | 3 | 273 | 2.1K | 1.7K |
| 78 | Health promotion | 8 | 268 | 1.1K | 937 |
| 79 | Environmental monitoring | 13 | 264 | 2.1K | 2.8K |
| 80 | Genetics | 13 | 258 | 2.6K | 3.8K |
| 81 | Nanostructured Materials | 7 | 257 | 2.6K | 2.3K |
| 81 | drug development | 2 | 257 | 1.8K | 1.3K |
| 83 | Physiology | 4 | 245 | 4.6K | 3.4K |
| 84 | Biophysics | 5 | 234 | 5.7K | 4.3K |
| 85 | venom | 14 | 232 | 125 | 271 |
| 85 | Toxins | 14 | 232 | 162 | 337 |
| 87 | Ornithology | 8 | 219 | 718 | 533 |
| 88 | Nanostructures | 5 | 208 | 1.8K | 1.6K |
| 89 | Botany | 8 | 203 | 3.0K | 3.2K |
| 89 | drug therapy | 3 | 203 | 3.0K | 2.0K |
| 91 | Plant cells | 1 | 199 | 2.0K | 1.5K |
| 92 | Birds | 7 | 194 | 1.0K | 692 |
| 93 | environmental exposure | 12 | 189 | 921 | 1.5K |
| 94 | occupational diseases | 7 | 186 | 754 | 744 |
| 95 | Biopharmaceutics | 4 | 184 | 1.2K | 898 |
| 96 | Obstetrics | 15 | 172 | 1.4K | 2.1K |
| 97 | Contraception | 12 | 171 | 229 | 386 |
| 98 | Dermatology | 9 | 169 | 1.3K | 1.5K |
| 99 | Marine algae | 1 | 168 | 377 | 65 |
| 100 | Proteomics | 3 | 165 | 1.3K | 1.0K |
| 100 | drugs | 3 | 165 | 2.5K | 1.5K |
| 102 | Immunopathology | 3 | 163 | 1.7K | 1.4K |
| 102 | Child psychology | 2 | 163 | 2.2K | 1.5K |
| 102 | disease vectors | 7 | 163 | 716 | 793 |
| 105 | Child Development | 2 | 160 | 2.7K | 1.7K |
| 106 | Growth | 1 | 159 | 2.3K | 1.6K |
| 107 | Primary health care | 14 | 157 | 846 | 1.3K |
| 108 | Medical innovations | 1 | 154 | 2.2K | 1.8K |
| 109 | Genomics | 10 | 153 | 2.4K | 3.4K |
| 109 | biological monitoring | 1 | 153 | 1.2K | 409 |
| 111 | Pregnancy | 12 | 152 | 370 | 610 |
| 112 | Kidney diseases | 11 | 148 | 566 | 963 |
| 113 | Radiation | 6 | 146 | 1.5K | 1.3K |
| 114 | Plant Biotechnology | 5 | 144 | 700 | 735 |
| 115 | Gastrointestinal diseases | 4 | 142 | 824 | 478 |
| 115 | Liver diseases | 4 | 142 | 1.7K | 2.1K |
| 117 | Plant diseases | 12 | 141 | 1.2K | 1.6K |
| 118 | Materials | 5 | 140 | 5.2K | 4.9K |
| 118 | natural products | 15 | 140 | 870 | 1.5K |
| 120 | Wildlife conservation | 1 | 139 | 1.7K | 747 |
| 121 | infection | 6 | 138 | 1.4K | 1.8K |
| 122 | Health Education | 6 | 137 | 1.5K | 1.4K |
| 123 | Community Psychiatry | 6 | 135 | 925 | 1.2K |
| 123 | Food | 14 | 135 | 1.7K | 2.9K |
| 125 | Mycology | 6 | 134 | 1.3K | 1.4K |
| 126 | Environmental Policy | 9 | 132 | 1.8K | 3.3K |
| 127 | Sports Medicine | 11 | 130 | 1.8K | 2.1K |
| 128 | alcoholism | 10 | 129 | 951 | 1.5K |
| 129 | rehabilitation | 10 | 125 | 1.5K | 2.2K |
| 130 | Statistics | 14 | 124 | 1.5K | 2.1K |
| 131 | Clinical Pharmacology | 3 | 123 | 1.6K | 1.2K |
| 131 | Crisis Intervention | 3 | 123 | 187 | 120 |
| 131 | Mental illness | 6 | 123 | 2.0K | 2.6K |
| 131 | Suicide | 3 | 123 | 663 | 486 |
| 135 | Economic History | 24 | 120 | 1.3K | 2.0K |
| 136 | Biometrics | 8 | 119 | 847 | 1.1K |
| 137 | Cytogenetics | 4 | 117 | 1.9K | 2.3K |
| 138 | Socioeconomic Factors | 6 | 116 | 535 | 688 |
| 138 | disaster relief | 3 | 116 | 191 | 156 |
| 140 | Economics | 11 | 115 | 2.7K | 2.9K |
| 141 | Geophysics | 4 | 114 | 3.5K | 3.3K |
| 141 | Enteral nutrition | 1 | 114 | 1.8K | 1.0K |
| 141 | Parenteral nutrition | 1 | 114 | 2.1K | 1.3K |
| 141 | Allergy | 11 | 114 | 767 | 1.9K |
| 145 | Infections | 5 | 113 | 1.1K | 1.6K |
| 146 | arthritis | 2 | 112 | 2.0K | 1.8K |
| 147 | Emergency Medical Services | 5 | 111 | 912 | 664 |
| 147 | Environmental Toxicology | 5 | 111 | 2.3K | 3.0K |
| 147 | Plant tissue culture | 4 | 111 | 863 | 903 |
| 147 | Plant cell culture | 4 | 111 | 800 | 895 |
| 147 | Biodiversity | 6 | 111 | 2.2K | 2.4K |
| 152 | Bacteriology | 5 | 110 | 1.5K | 2.0K |
| 153 | Mental Health | 8 | 108 | 1.1K | 1.5K |
| 153 | health services accessibility | 7 | 108 | 591 | 719 |
| 155 | Lipids | 2 | 106 | 2.0K | 1.6K |
| 156 | Reproductive health | 6 | 105 | 576 | 774 |
| 157 | Psychopharmacology | 3 | 104 | 2.0K | 2.0K |
| 157 | Travel | 9 | 104 | 422 | 656 |
| 159 | Planets | 3 | 103 | 1.9K | 2.0K |
| 160 | Environmental Engineering | 7 | 101 | 3.1K | 4.3K |
| 161 | Health | 5 | 100 | 2.4K | 2.6K |
| 162 | Virology | 4 | 98 | 3.5K | 4.5K |
| 163 | Psychiatric Epidemiology | 2 | 97 | 810 | 787 |
| 164 | Asthma | 7 | 96 | 497 | 702 |
| 164 | Radioisotopes | 1 | 96 | 2.1K | 712 |
| 166 | Economic Development | 6 | 95 | 1.1K | 1.5K |
| 166 | Randomized Controlled Trials | 16 | 95 | 512 | 1.0K |
| 166 | Chromosome mapping | 2 | 95 | 2.8K | 2.6K |
| 166 | gene mapping | 2 | 95 | 3.1K | 2.9K |
| 166 | Allergies | 6 | 95 | 66 | 133 |
| 171 | Mathematics | 17 | 94 | 3.3K | 4.0K |
| 172 | Materials Science | 2 | 93 | 6.3K | 4.8K |
| 172 | Biocompatible Materials | 2 | 93 | 5.0K | 4.7K |
| 172 | pollutants | 3 | 93 | 2.1K | 2.2K |
| 172 | Environmental pollutants | 3 | 93 | 2.6K | 2.6K |
| 172 | biomedicine | 6 | 93 | 603 | 801 |
| 177 | Climatology | 8 | 90 | 1.2K | 1.9K |
| 178 | Analytical Chemistry | 7 | 88 | 3.7K | 4.8K |
| 178 | emergency management | 3 | 88 | 1.1K | 836 |
| 178 | drug addiction | 8 | 88 | 829 | 1.5K |
| 181 | Engineering | 20 | 87 | 1.7K | 3.7K |
| 182 | Plant genetic engineering | 1 | 86 | 1.8K | 1.3K |
| 183 | Birth control | 4 | 85 | 444 | 559 |
| 184 | India | 15 | 84 | 663 | 892 |
| 185 | Human Resources | 5 | 83 | 304 | 613 |
| 186 | Health Services Research | 7 | 82 | 1.4K | 2.0K |
| 186 | Environmental Chemistry | 5 | 82 | 2.1K | 3.0K |
| 188 | Rheumatology | 9 | 81 | 912 | 1.7K |
| 189 | Environmental Management | 3 | 80 | 2.9K | 3.6K |
| 190 | Risk Management | 3 | 78 | 852 | 850 |
| 190 | economic policy | 18 | 78 | 901 | 1.8K |
| 192 | Sociology | 6 | 77 | 2.4K | 2.9K |
| 192 | Climate change | 1 | 77 | 2.1K | 2.1K |
| 192 | Eutrophication | 1 | 77 | 1.9K | 2.0K |
| 192 | hazard mitigation | 1 | 77 | 1.9K | 1.1K |
| 196 | Animal Behavior | 4 | 75 | 1.8K | 2.4K |
| 197 | Geriatrics | 8 | 74 | 2.6K | 3.5K |
| 197 | Quality of life | 10 | 74 | 854 | 2.2K |
| 199 | Ultrasonics | 1 | 73 | 2.0K | 1.5K |
| 199 | Sonochemistry | 1 | 73 | 1.0K | 947 |
| 201 | Pathology | 4 | 72 | 2.7K | 3.4K |
| 201 | Development | 5 | 72 | 539 | 850 |
| 203 | Emergency Medicine | 6 | 71 | 1.5K | 1.7K |
| 203 | China | 4 | 71 | 2.8K | 2.8K |
| 205 | epidemiologic methods | 1 | 70 | 405 | 125 |
| 206 | Law | 21 | 68 | 592 | 790 |
| 206 | Evolutionary Genetics | 2 | 68 | 960 | 771 |
| 206 | Molecular Epidemiology | 2 | 68 | 960 | 771 |
| 209 | Drug design | 3 | 66 | 2.2K | 2.4K |
| 209 | Cardiovascular diseases | 4 | 66 | 2.0K | 2.1K |
| 209 | Post-traumatic stress disorder | 1 | 66 | 1.5K | 1.1K |
| 209 | Women's health | 4 | 66 | 1.5K | 1.7K |
| 213 | Organic Chemistry | 4 | 65 | 3.2K | 3.5K |
| 213 | Ethology | 3 | 65 | 1.5K | 2.0K |
| 215 | Nutrition physiology | 5 | 64 | 650 | 1.2K |
| 215 | geological modeling | 3 | 64 | 545 | 523 |
| 215 | health services | 3 | 64 | 1.4K | 1.5K |
| 215 | genome | 2 | 64 | 2.7K | 3.1K |
| 219 | Genetic engineering | 5 | 63 | 2.1K | 3.2K |
| 219 | medical errors | 5 | 63 | 31 | 56 |
| 219 | Cross-Cultural Studies | 5 | 63 | 330 | 521 |
| 219 | Molecules | 2 | 63 | 2.1K | 1.5K |
| 219 | management | 10 | 63 | 1.8K | 3.1K |
| 219 | safety | 5 | 63 | 37 | 92 |
| 219 | cross-cultural comparison | 5 | 63 | 323 | 551 |
| 219 | Australia | 8 | 63 | 1.4K | 2.1K |
| 227 | Demography | 5 | 62 | 630 | 951 |
| 227 | Communication | 2 | 62 | 2.7K | 2.0K |
| 229 | Pharmacy | 3 | 61 | 2.5K | 2.8K |
| 229 | Health Policy | 4 | 61 | 2.7K | 3.2K |
| 229 | Computational Biology | 6 | 61 | 2.9K | 4.1K |
| 229 | Communication in medicine | 1 | 61 | 1.1K | 673 |
| 229 | Endocrine system | 4 | 61 | 889 | 375 |
| 234 | biological factors | 8 | 60 | 1.5K | 2.8K |
| 235 | Health Services Administration | 4 | 59 | 1.2K | 1.6K |
| 236 | Horticulture | 4 | 58 | 811 | 855 |
| 237 | Earth Sciences | 7 | 57 | 2.3K | 3.3K |
| 237 | Human biology | 5 | 57 | 567 | 827 |
| 237 | Vaccines | 3 | 57 | 2.1K | 2.4K |
| 240 | Geography | 6 | 56 | 1.9K | 2.6K |
| 240 | Research Design | 5 | 56 | 1.0K | 1.7K |
| 240 | Biogeochemistry | 2 | 56 | 1.4K | 1.7K |
| 240 | Europe | 7 | 56 | 2.8K | 3.7K |
| 240 | Agriculture | 8 | 56 | 1.5K | 2.7K |
| 245 | Social Sciences | 10 | 55 | 2.4K | 3.4K |
| 245 | Molecular cloning | 4 | 55 | 1.3K | 1.9K |
| 245 | Genetic recombination | 4 | 55 | 1.3K | 1.8K |
| 245 | Recombinant DNA | 4 | 55 | 1.5K | 2.0K |
| 249 | Medical Ethics | 6 | 54 | 1.0K | 1.3K |
| 249 | Qualitative Research | 3 | 54 | 469 | 489 |
| 249 | Population | 3 | 54 | 1.1K | 1.2K |
| 252 | Surgery | 7 | 53 | 2.1K | 4.0K |
| 252 | Breeding | 1 | 53 | 2.4K | 1.8K |
| 254 | Sustainable Development | 3 | 51 | 2.1K | 2.6K |
| 254 | Ethics | 5 | 51 | 874 | 1.1K |
| 254 | Development Economics | 3 | 51 | 592 | 703 |
| 254 | Environmental Economics | 3 | 51 | 415 | 519 |
| 258 | bioclimatology | 5 | 50 | 784 | 1.4K |
| 259 | Radiation Protection | 8 | 49 | 395 | 580 |
| 259 | radiation monitoring | 8 | 49 | 343 | 544 |
| 261 | Information Technology | 6 | 47 | 2.0K | 2.7K |
| 261 | Inorganic Chemistry | 3 | 47 | 81 | 161 |
| 261 | Bioinorganic chemistry | 3 | 47 | 1.6K | 2.0K |
| 261 | Mental Health Services | 6 | 47 | 1.2K | 2.0K |
| 261 | Therapeutics | 4 | 47 | 2.2K | 3.4K |
| 261 | Information Science | 10 | 47 | 920 | 2.4K |
| 267 | environmental protection | 6 | 46 | 2.8K | 5.2K |
| 267 | Carcinogenesis | 2 | 46 | 1.6K | 2.0K |
| 269 | Physical Geography | 2 | 45 | 797 | 728 |
| 269 | Catalysis | 3 | 45 | 3.5K | 4.2K |
| 269 | Occupational Health | 6 | 45 | 999 | 1.5K |
| 269 | Computer Architecture | 2 | 45 | 519 | 373 |
| 269 | epilepsy | 6 | 45 | 732 | 1.3K |
| 269 | Globalization | 1 | 45 | 1.1K | 810 |
| 269 | international cooperation | 1 | 45 | 1.4K | 1.0K |
| 276 | Patient education | 1 | 44 | 1.1K | 940 |
| 276 | sanitation | 1 | 44 | 3.1K | 3.4K |
| 276 | Microprocessors | 1 | 44 | 619 | 390 |
| 276 | counseling | 2 | 44 | 1.9K | 1.8K |
| 276 | viruses | 2 | 44 | 2.3K | 3.0K |
| 281 | Industrial Microbiology | 2 | 43 | 2.9K | 3.5K |
| 281 | refugees | 1 | 43 | 562 | 296 |
| 283 | Solid State Physics | 4 | 42 | 3.8K | 4.3K |
| 284 | Occupational Therapy | 5 | 41 | 944 | 1.2K |
| 284 | Dietetics | 3 | 41 | 794 | 1.1K |
| 284 | Molecular Genetics | 3 | 41 | 2.3K | 3.5K |
| 284 | Industrial Safety | 5 | 41 | 742 | 1.2K |
| 284 | industrial hygiene | 5 | 41 | 1.1K | 1.4K |
| 284 | Diabetes Complications | 2 | 41 | 412 | 344 |
| 284 | anesthesia | 2 | 41 | 860 | 605 |
| 284 | finance | 3 | 41 | 2.3K | 2.3K |
| 292 | Public Policy | 3 | 40 | 1.9K | 2.7K |
| 292 | Pharmacokinetics | 1 | 40 | 1.9K | 1.5K |
| 292 | Animal ecology | 4 | 40 | 1.2K | 1.8K |
| 292 | food industry | 3 | 40 | 280 | 465 |
| 296 | Pest control | 4 | 39 | 149 | 202 |
| 296 | Pesticides | 4 | 39 | 508 | 829 |
| 296 | Aquaculture | 1 | 39 | 2.1K | 1.5K |
| 299 | Population Genetics | 2 | 38 | 1.8K | 2.4K |
| 299 | Medical Anthropology | 2 | 38 | 1.7K | 2.3K |
| 299 | Molecular ecology | 2 | 38 | 1.7K | 2.5K |
| 302 | nanoscience | 2 | 37 | 4.0K | 4.6K |
| 302 | Ecological disturbances | 1 | 37 | 82 | 60 |
| 302 | Environmental disasters | 1 | 37 | 82 | 60 |
| 302 | natural disasters | 1 | 37 | 2.5K | 2.2K |
| 306 | Food Policy | 3 | 36 | 220 | 460 |
| 306 | Pediatric Nursing | 1 | 36 | 1.0K | 715 |
| 306 | Forest Ecology | 1 | 36 | 1.2K | 1.1K |
| 306 | Obstetric Nursing | 1 | 36 | 649 | 462 |
| 306 | Forest Management | 1 | 36 | 1.1K | 826 |
| 306 | child abuse | 4 | 36 | 726 | 1.4K |
| 306 | world | 3 | 36 | 395 | 877 |
| 313 | Educational Technology | 3 | 35 | 1.6K | 1.9K |
| 313 | herbicides | 3 | 35 | 433 | 646 |
| 315 | Biomedical Engineering | 3 | 34 | 6.1K | 7.6K |
| 315 | Nanomedicine | 2 | 34 | 400 | 664 |
| 315 | Health Physics | 6 | 34 | 97 | 212 |
| 315 | Nervous system | 2 | 34 | 3.6K | 4.5K |
| 315 | Scandinavia | 2 | 34 | 969 | 1.1K |
| 315 | health planning | 4 | 34 | 1.6K | 2.6K |
| 321 | Zoology | 9 | 33 | 1.9K | 3.5K |
| 321 | Hematology | 5 | 33 | 3.7K | 4.8K |
| 323 | Functional foods | 1 | 32 | 931 | 847 |
| 323 | violence | 2 | 32 | 1.3K | 1.6K |
| 323 | sex crimes | 2 | 32 | 867 | 1.0K |
| 323 | Entomology | 9 | 32 | 1.7K | 3.1K |
| 327 | Ophthalmology | 3 | 31 | 2.1K | 2.8K |
| 327 | Photochemistry | 3 | 31 | 1.8K | 2.6K |
| 327 | Feminism | 3 | 31 | 639 | 734 |
| 327 | Photobiology | 2 | 31 | 1.4K | 1.8K |
| 331 | Mobile Computing | 1 | 30 | 2.2K | 1.6K |
| 331 | Human-Computer Interaction | 1 | 30 | 2.9K | 2.4K |
| 333 | Substance Abuse | 4 | 29 | 1.6K | 2.6K |
| 333 | Feminist psychology | 2 | 29 | 99 | 157 |
| 333 | mammals | 4 | 29 | 1.1K | 1.8K |
| 333 | Plants | 2 | 29 | 3.2K | 3.7K |
| 337 | Oxidative stress | 1 | 28 | 2.3K | 2.6K |
| 337 | behavioral medicine | 2 | 28 | 2.1K | 3.0K |
| 337 | Cellular senescence | 1 | 28 | 1.7K | 1.9K |
| 337 | Cuba | 1 | 28 | 20 | 12 |
| 337 | animal diseases | 1 | 28 | 1.1K | 969 |
| 342 | Diagnostic microbiology | 2 | 27 | 2.1K | 3.3K |
| 342 | women | 3 | 27 | 958 | 1.1K |
| 344 | International Law | 6 | 26 | 454 | 472 |
| 344 | Thrombosis | 1 | 26 | 2.2K | 2.4K |
| 344 | preventive medicine | 4 | 26 | 1.3K | 2.6K |
| 344 | Spectrum analysis | 3 | 26 | 4.5K | 5.9K |
| 344 | econometric models | 1 | 26 | 512 | 533 |
| 349 | health workforce | 1 | 25 | 464 | 612 |
| 349 | Electrochemistry | 2 | 25 | 4.2K | 4.5K |
| 349 | ecosystem | 1 | 25 | 2.5K | 2.8K |
| 349 | Decision making | 3 | 25 | 1.9K | 2.8K |
| 353 | Anatomy | 4 | 24 | 2.3K | 3.7K |
| 353 | Sociolinguistics | 1 | 24 | 1.0K | 730 |
| 353 | Language Policy | 1 | 24 | 219 | 239 |
| 353 | Laser therapy | 1 | 24 | 974 | 707 |
| 353 | Language planning | 1 | 24 | 350 | 179 |
| 353 | Library Science | 13 | 24 | 522 | 1.3K |
| 353 | telecommunication in education | 2 | 24 | 98 | 69 |
| 353 | Primates | 3 | 24 | 949 | 1.4K |
| 361 | Systems Biology | 3 | 23 | 2.1K | 3.4K |
| 361 | Electromagnetic compatibility | 1 | 23 | 770 | 658 |
| 361 | economic development projects | 1 | 23 | 466 | 467 |
| 364 | Pharmacogenetics | 1 | 22 | 2.3K | 2.6K |
| 364 | Coastal zone management | 2 | 22 | 651 | 983 |
| 364 | Geochemical Modeling | 1 | 22 | 550 | 551 |
| 364 | Bioinformatics | 2 | 22 | 3.5K | 4.3K |
| 364 | Molecular structure | 3 | 22 | 2.6K | 3.7K |
| 364 | weight loss | 1 | 22 | 389 | 399 |
| 370 | Social Psychology | 2 | 21 | 2.9K | 3.7K |
| 370 | Nuclear Chemistry | 1 | 21 | 1.8K | 1.5K |
| 370 | Radiochemistry | 1 | 21 | 2.0K | 1.6K |
| 370 | scientific societies | 3 | 21 | 1.0K | 1.9K |
| 370 | Exercise | 2 | 21 | 2.0K | 2.4K |
| 375 | Medical Laboratory Science | 1 | 20 | 4.5K | 4.9K |
| 375 | Engineering Mathematics | 4 | 20 | 2.6K | 3.4K |
| 375 | Physical Chemistry | 1 | 20 | 4.2K | 4.2K |
| 375 | Microfabrication | 1 | 20 | 813 | 895 |
| 375 | Nanomanufacturing | 1 | 20 | 160 | 102 |
| 375 | animals | 4 | 20 | 1.5K | 2.5K |
| 381 | food technology | 7 | 19 | 1.6K | 4.3K |
| 381 | Plant physiology | 1 | 19 | 3.4K | 3.9K |
| 381 | Developmental Immunology | 3 | 19 | 913 | 1.9K |
| 381 | psychotherapy | 4 | 19 | 1.4K | 2.5K |
| 381 | Social work | 2 | 19 | 1.9K | 2.4K |
| 381 | Behavior | 4 | 19 | 3.2K | 6.1K |
| 387 | Artificial Intelligence | 3 | 18 | 4.3K | 5.8K |
| 387 | Pediatric Endocrinology | 3 | 18 | 561 | 843 |
| 387 | Cell Biology | 3 | 18 | 5.3K | 7.9K |
| 387 | Cognitive Science | 1 | 18 | 2.8K | 3.0K |
| 387 | Metabolic disorders in children | 3 | 18 | 503 | 758 |
| 387 | Condensed Matter | 2 | 18 | 4.3K | 4.8K |
| 393 | Cytology | 3 | 17 | 5.3K | 8.0K |
| 393 | Biostatistics | 2 | 17 | 254 | 293 |
| 393 | Rural Development | 2 | 17 | 584 | 794 |
| 393 | greenhouse effect | 1 | 17 | 185 | 248 |
| 393 | Wetland ecology | 1 | 17 | 1.1K | 1.1K |
| 393 | Postcolonialism | 1 | 17 | 258 | 152 |
| 393 | global environmental change | 1 | 17 | 1.6K | 2.0K |
| 393 | Wetland conservation | 1 | 17 | 793 | 882 |
| 393 | Carbon | 1 | 17 | 1.5K | 2.0K |
| 393 | Carbon dioxide | 1 | 17 | 185 | 248 |
| 393 | Climate | 1 | 17 | 1.1K | 1.4K |
| 393 | Scotland | 1 | 17 | 296 | 232 |
| 393 | Aquatic ecology | 2 | 17 | 1.4K | 2.0K |
| 393 | Wetlands | 1 | 17 | 805 | 884 |
| 407 | Industrial Engineering | 3 | 16 | 2.3K | 3.7K |
| 407 | Food Science | 1 | 16 | 416 | 263 |
| 407 | Applied Mathematics | 3 | 16 | 899 | 932 |
| 407 | Graph Theory | 4 | 16 | 718 | 967 |
| 407 | Bioethics | 3 | 16 | 1.2K | 1.8K |
| 407 | Computational Intelligence | 1 | 16 | 2.2K | 1.9K |
| 407 | Luminescence | 1 | 16 | 1.5K | 1.5K |
| 407 | bioluminescence | 1 | 16 | 838 | 746 |
| 407 | marketing | 3 | 16 | 1.8K | 2.7K |
| 407 | Detectors | 2 | 16 | 2.2K | 2.8K |
| 417 | Physical Therapy | 3 | 15 | 1.7K | 3.0K |
| 417 | Nanochemistry | 1 | 15 | 2.3K | 2.4K |
| 417 | Psychosomatic Medicine | 1 | 15 | 1.5K | 2.0K |
| 417 | Atmospheric Physics | 5 | 15 | 1.4K | 3.0K |
| 417 | drug resistance | 1 | 15 | 1.6K | 2.0K |
| 417 | Knowledge management | 1 | 15 | 1.0K | 706 |
| 417 | Technology | 2 | 15 | 5.9K | 7.4K |
| 417 | Ethnology | 6 | 15 | 1.2K | 2.4K |
| 417 | Brain | 1 | 15 | 4.0K | 4.6K |
| 417 | Radiation dosimetry | 2 | 15 | 811 | 933 |
| 417 | Digestive system diseases | 2 | 15 | 1.7K | 2.5K |
| 428 | Neuropsychology | 3 | 14 | 2.7K | 4.6K |
| 428 | Hydrology | 1 | 14 | 4.3K | 4.4K |
| 428 | patient satisfaction | 2 | 14 | 190 | 211 |
| 428 | Diagnostic Imaging | 2 | 14 | 3.3K | 4.3K |
| 428 | Herbal medicine | 2 | 14 | 742 | 1.7K |
| 428 | Immunogenetics | 1 | 14 | 1.6K | 2.0K |
| 428 | Sports | 3 | 14 | 2.8K | 3.7K |
| 428 | Video Games | 1 | 14 | 207 | 193 |
| 428 | Phytotherapy | 2 | 14 | 1.2K | 2.3K |
| 428 | Jurisprudence | 7 | 14 | 769 | 2.1K |
| 438 | Agricultural Ecology | 1 | 13 | 2.4K | 3.1K |
| 438 | Clinical Chemistry | 1 | 13 | 4.9K | 5.8K |
| 438 | health behavior | 1 | 13 | 2.1K | 2.6K |
| 438 | Business | 3 | 13 | 2.2K | 3.3K |
| 438 | child sexual abuse | 1 | 13 | 354 | 495 |
| 438 | industrial relations | 3 | 13 | 894 | 1.4K |
| 438 | sex differences | 1 | 13 | 369 | 515 |
| 445 | Agricultural Chemistry | 4 | 12 | 2.7K | 5.0K |
| 445 | Developmental Biology | 1 | 12 | 3.8K | 4.7K |
| 445 | Fertilization | 1 | 12 | 182 | 257 |
| 445 | Adsorption | 1 | 12 | 460 | 607 |
| 445 | blood transfusion | 1 | 12 | 1.9K | 2.2K |
| 445 | insect vectors | 3 | 12 | 24 | 72 |
| 445 | Statistical physics | 2 | 12 | 4.5K | 5.6K |
| 445 | synthesis | 1 | 12 | 2.0K | 2.1K |
| 445 | gametes | 1 | 12 | 182 | 257 |
| 454 | Nephrology | 2 | 11 | 952 | 1.7K |
| 454 | Immunotherapy | 2 | 11 | 2.8K | 4.5K |
| 454 | Chemotherapy | 1 | 11 | 3.0K | 3.7K |
| 454 | Biochemical Engineering | 2 | 11 | 3.6K | 5.9K |
| 454 | Clinical Immunology | 2 | 11 | 1.9K | 3.0K |
| 454 | Immunopharmacology | 1 | 11 | 1.9K | 2.5K |
| 454 | Histocompatibility Testing | 2 | 11 | 583 | 1.2K |
| 454 | Religion and Psychology | 2 | 11 | 754 | 1.3K |
| 454 | Marine resources | 1 | 11 | 833 | 1.2K |
| 454 | cytokines | 1 | 11 | 2.4K | 3.3K |
| 454 | commerce | 6 | 11 | 1.1K | 2.5K |
| 454 | cell physiology | 2 | 11 | 2.4K | 4.0K |
| 454 | kidney | 1 | 11 | 177 | 253 |
| 454 | Phylogeny | 2 | 11 | 1.2K | 2.1K |
| 468 | Comparative Physiology | 1 | 10 | 1.3K | 1.8K |
| 468 | Quality Control | 3 | 10 | 1.9K | 3.7K |
| 468 | Neurophysiology | 1 | 10 | 4.6K | 5.7K |
| 468 | adolescence | 3 | 10 | 1.1K | 2.3K |
| 468 | Genetic testing | 1 | 10 | 910 | 1.1K |
| 468 | Customer service | 1 | 10 | 153 | 225 |
| 468 | Marriage | 1 | 10 | 1.1K | 1.5K |
| 468 | Plant breeding | 1 | 10 | 1.9K | 2.4K |
| 468 | Teaching | 2 | 10 | 2.3K | 3.0K |
| 468 | paraphilias | 1 | 10 | 413 | 641 |
| 468 | Marriage counseling | 1 | 10 | 683 | 961 |
| 468 | Psychophysiology | 1 | 10 | 4.5K | 5.6K |
| 480 | Magnetic Resonance Imaging | 1 | 9 | 1.1K | 1.5K |
| 480 | Stochastic Processes | 1 | 9 | 1.7K | 1.9K |
| 480 | Mathematical Physics | 2 | 9 | 3.7K | 4.1K |
| 480 | Tourism | 3 | 9 | 1.5K | 2.9K |
| 480 | Diagnosis | 2 | 9 | 1.1K | 1.8K |
| 480 | Transportation | 1 | 9 | 2.4K | 2.8K |
| 480 | Bioorganic chemistry | 1 | 9 | 4.3K | 5.2K |
| 480 | school-to-work transition | 1 | 9 | 163 | 249 |
| 480 | Economic anthropology | 2 | 9 | 99 | 139 |
| 480 | Vocational guidance | 1 | 9 | 1.5K | 1.9K |
| 480 | Bacterial infections | 1 | 9 | 1.9K | 2.7K |
| 480 | disease susceptibility | 1 | 9 | 869 | 1.3K |
| 480 | Social behavior | 1 | 9 | 2.2K | 2.8K |
| 480 | Sociobiology | 2 | 9 | 256 | 563 |
| 480 | Work | 2 | 9 | 472 | 813 |
| 480 | biochemical markers | 1 | 9 | 1.9K | 2.6K |
| 480 | RNA | 1 | 9 | 1.2K | 1.8K |
| 480 | drug abuse | 1 | 9 | 1.5K | 1.9K |
| 480 | Autism | 1 | 9 | 1.3K | 1.9K |
| 480 | Aging | 4 | 9 | 3.3K | 5.9K |
| 480 | symptoms | 1 | 9 | 869 | 1.3K |
| 480 | Chronic diseases | 1 | 9 | 1.2K | 1.7K |
| 502 | Humanities | 3 | 8 | 2.2K | 3.2K |
| 502 | Surface Chemistry | 1 | 8 | 5.1K | 6.2K |
| 502 | infrared radiation | 1 | 8 | 730 | 903 |
| 502 | Feasibility studies | 1 | 8 | 692 | 752 |
| 502 | Genetic variation | 1 | 8 | 280 | 466 |
| 502 | Social Change | 1 | 8 | 1.3K | 1.9K |
| 502 | Fractals | 1 | 8 | 1.2K | 1.6K |
| 502 | Colloids | 1 | 8 | 5.1K | 6.5K |
| 502 | foods | 2 | 8 | 454 | 969 |
| 502 | disabilities | 1 | 8 | 1.7K | 2.2K |
| 502 | educational planning | 1 | 8 | 866 | 1.2K |
| 502 | biological invasions | 1 | 8 | 1.2K | 1.8K |
| 502 | Mites | 1 | 8 | 930 | 1.1K |
| 515 | Data Mining | 1 | 7 | 3.4K | 4.2K |
| 515 | Adolescent Medicine | 2 | 7 | 1.0K | 2.1K |
| 515 | Risk assessment | 1 | 7 | 1.4K | 1.9K |
| 515 | ecological risk assessment | 1 | 7 | 692 | 1.1K |
| 515 | space warfare | 1 | 7 | 43 | 52 |
| 515 | data collection | 1 | 7 | 2.4K | 3.1K |
| 515 | Health Risk Assessment | 2 | 7 | 737 | 1.6K |
| 515 | biological agents | 2 | 7 | 992 | 1.3K |
| 515 | Culture | 2 | 7 | 1.6K | 2.4K |
| 515 | planning | 2 | 7 | 820 | 1.7K |
| 515 | Animal | 1 | 7 | 437 | 694 |
| 515 | wildlife diseases | 2 | 7 | 178 | 504 |
| 527 | Astronomy | 3 | 6 | 2.9K | 4.4K |
| 527 | Dynamics | 1 | 6 | 3.1K | 3.6K |
| 527 | Nonlinear Dynamics | 1 | 6 | 3.6K | 4.4K |
| 527 | Neuropharmacology | 1 | 6 | 1.4K | 1.9K |
| 527 | Gerontology | 2 | 6 | 3.2K | 4.6K |
| 527 | city planning | 1 | 6 | 2.7K | 3.3K |
| 527 | United Kingdom | 3 | 6 | 2.1K | 4.1K |
| 527 | Quantum theory | 1 | 6 | 1.5K | 1.9K |
| 527 | race relations | 1 | 6 | 1.1K | 1.3K |
| 527 | Consciousness | 1 | 6 | 862 | 1.2K |
| 527 | Sleep | 1 | 6 | 3.1K | 3.8K |
| 538 | Marine Biology | 1 | 5 | 4.0K | 5.3K |
| 538 | Anthropological Linguistics | 1 | 5 | 653 | 633 |
| 538 | Forensic Pathology | 1 | 5 | 393 | 599 |
| 538 | Water pollution | 1 | 5 | 4.3K | 5.7K |
| 538 | Marine Pollution | 1 | 5 | 1.8K | 2.8K |
| 538 | Heritage Tourism | 1 | 5 | 292 | 538 |
| 538 | cultural tourism | 1 | 5 | 283 | 538 |
| 538 | Buddhism | 1 | 5 | 290 | 85 |
| 538 | rare diseases | 2 | 5 | 1.1K | 2.0K |
| 538 | school sports | 1 | 5 | 223 | 368 |
| 538 | Employee rights | 1 | 5 | 199 | 283 |
| 538 | Attention | 2 | 5 | 825 | 1.7K |
| 538 | language | 1 | 5 | 1.6K | 2.1K |
| 538 | Population Dynamics | 1 | 5 | 441 | 694 |
| 552 | Computer Science | 4 | 4 | 2.2K | 5.0K |
| 552 | Systems Engineering | 1 | 4 | 4.0K | 4.8K |
| 552 | Cultural Studies | 1 | 4 | 374 | 655 |
| 552 | Computer Graphics | 1 | 4 | 2.6K | 3.5K |
| 552 | Algebra | 2 | 4 | 1.7K | 2.2K |
| 552 | Manufacturing Processes | 1 | 4 | 3.6K | 4.5K |
| 552 | Astrophysics | 2 | 4 | 3.7K | 5.1K |
| 552 | Production Engineering | 1 | 4 | 3.4K | 4.3K |
| 552 | Educational Research | 1 | 4 | 229 | 444 |
| 552 | Topology | 2 | 4 | 397 | 611 |
| 552 | Religion | 1 | 4 | 2.1K | 1.8K |
| 552 | Bioavailability | 2 | 4 | 114 | 463 |
| 552 | cultural policy | 1 | 4 | 503 | 677 |
| 552 | Magnetic Materials | 1 | 4 | 2.6K | 3.2K |
| 552 | Religion and Culture | 1 | 4 | 689 | 910 |
| 552 | Entrepreneurship | 1 | 4 | 1.6K | 2.3K |
| 552 | Optical materials | 1 | 4 | 3.7K | 4.9K |
| 552 | visualization | 2 | 4 | 2.7K | 3.5K |
| 552 | personality | 1 | 4 | 1.9K | 2.7K |
| 552 | bats | 1 | 4 | 235 | 400 |
| 552 | Personality Assessment | 1 | 4 | 1.0K | 1.6K |
| 552 | heredity | 1 | 4 | 1.6K | 2.3K |
| 552 | Combinatorial analysis | 1 | 4 | 1.5K | 1.6K |
| 552 | crime | 1 | 4 | 1.2K | 1.6K |
| 552 | mathematical analysis | 2 | 4 | 2.6K | 3.4K |
| 552 | data protection | 3 | 4 | 460 | 1.4K |
| 578 | Soil Science | 1 | 3 | 2.9K | 3.9K |
| 578 | Journalism | 1 | 3 | 1.0K | 1.2K |
| 578 | Clinical Biochemistry | 1 | 3 | 2.2K | 3.3K |
| 578 | Quantum Chemistry | 2 | 3 | 1.4K | 2.3K |
| 578 | Intellectual Property | 2 | 3 | 210 | 402 |
| 578 | Technology Assessment | 1 | 3 | 394 | 925 |
| 578 | Quantum Gravity | 10 | 3 | 1.5K | 3.2K |
| 578 | Molecular evolution | 1 | 3 | 2.9K | 4.3K |
| 578 | Strategic planning | 1 | 3 | 1.4K | 2.1K |
| 578 | Family Therapy | 1 | 3 | 1.5K | 2.2K |
| 578 | Family | 2 | 3 | 1.4K | 2.8K |
| 578 | families | 1 | 3 | 1.6K | 2.4K |
| 578 | Stem cells | 2 | 3 | 2.5K | 4.3K |
| 578 | Africa | 2 | 3 | 2.4K | 4.1K |
| 578 | herbs | 1 | 3 | 199 | 418 |
| 578 | organization | 1 | 3 | 1.2K | 1.7K |
| 578 | Familial diseases | 1 | 3 | 581 | 1.0K |
| 595 | Computer Engineering | 2 | 2 | 917 | 2.0K |
| 595 | Orthopedics | 1 | 2 | 3.2K | 4.3K |
| 595 | Gender Studies | 1 | 2 | 966 | 1.6K |
| 595 | Optics | 1 | 2 | 7.3K | 8.5K |
| 595 | Pediatric Hematology | 1 | 2 | 976 | 1.4K |
| 595 | Hypertension | 1 | 2 | 3.5K | 4.9K |
| 595 | Food Preservation | 2 | 2 | 1.1K | 2.3K |
| 595 | Orthopedic Surgery | 1 | 2 | 1.9K | 2.7K |
| 595 | Hemodynamics | 1 | 2 | 1.6K | 2.4K |
| 595 | Combinatorial chemistry | 1 | 2 | 2.0K | 2.9K |
| 595 | Blended Learning | 1 | 2 | 71 | 194 |
| 595 | Health equity | 1 | 2 | 154 | 367 |
| 595 | Common Law | 1 | 2 | 262 | 338 |
| 595 | Dyslexia | 1 | 2 | 354 | 606 |
| 595 | Rheology | 2 | 2 | 977 | 2.0K |
| 595 | Social welfare | 1 | 2 | 1.3K | 2.2K |
| 595 | Cell division | 1 | 2 | 1.3K | 2.2K |
| 595 | Child welfare | 1 | 2 | 2.0K | 3.2K |
| 595 | Herpetology | 1 | 2 | 669 | 968 |
| 595 | sexual orientation | 1 | 2 | 280 | 557 |
| 595 | Cell differentiation | 1 | 2 | 3.4K | 4.8K |
| 595 | Business Ethics | 1 | 2 | 1.6K | 2.5K |
| 595 | Gender identity | 1 | 2 | 615 | 905 |
| 595 | Learning strategies | 1 | 2 | 83 | 228 |
| 595 | atmosphere | 1 | 2 | 936 | 1.5K |
| 595 | body temperature | 1 | 2 | 730 | 1.4K |
| 595 | Structure-activity relationship | 1 | 2 | 1.1K | 1.6K |
| 595 | Reptiles | 1 | 2 | 684 | 891 |
| 595 | antibiotics | 1 | 2 | 894 | 1.5K |
| 624 | Information Theory | 1 | 1 | 2.4K | 3.3K |
| 624 | Archaeology | 1 | 1 | 2.3K | 3.0K |
| 624 | Electrical Engineering | 1 | 1 | 6.1K | 7.3K |
| 624 | Linguistics | 2 | 1 | 2.1K | 3.3K |
| 624 | Constitutional Law | 2 | 1 | 339 | 466 |
| 624 | Atmospheric Electricity | 1 | 1 | 82 | 86 |
| 624 | Distance Education | 1 | 1 | 978 | 1.7K |
| 624 | Public Health Informatics | 1 | 1 | 255 | 340 |
| 624 | Medical Oncology | 1 | 1 | 3.4K | 4.8K |
| 624 | Applied Linguistics | 1 | 1 | 1.2K | 1.6K |
| 624 | Environmental Education | 1 | 1 | 748 | 1.4K |
| 624 | Telemedicine | 1 | 1 | 1.0K | 2.0K |
| 624 | Human Rights | 2 | 1 | 822 | 1.8K |
| 624 | economic indicators | 1 | 1 | 269 | 554 |
| 624 | Democracy | 8 | 1 | 136 | 928 |
| 624 | Integrative Medicine | 1 | 1 | 675 | 1.3K |
| 624 | Cognitive Therapy | 1 | 1 | 1.2K | 2.1K |
| 624 | Mass Media | 2 | 1 | 1.3K | 2.1K |
| 624 | Urbanization | 1 | 1 | 474 | 891 |
| 624 | Environmentalism | 1 | 1 | 324 | 617 |
| 624 | Holistic Health | 1 | 1 | 1.1K | 2.0K |
| 624 | Entropy | 1 | 1 | 2.4K | 3.5K |
| 624 | Hemophilia | 1 | 1 | 1.0K | 1.6K |
| 624 | Microbial Metabolism | 1 | 1 | 491 | 1.0K |
| 624 | Developmental Disabilities | 1 | 1 | 1.9K | 3.1K |
| 624 | Mitochondria | 1 | 1 | 554 | 1.2K |
| 624 | civilization | 2 | 1 | 1.9K | 2.4K |
| 624 | labor | 2 | 1 | 431 | 935 |
| 624 | Comparative Law | 2 | 1 | 401 | 706 |
| 624 | drinking water | 1 | 1 | 352 | 766 |
| 624 | crops | 1 | 1 | 344 | 636 |
| 624 | Fungi | 1 | 1 | 1.5K | 2.4K |
| 624 | Intellectual disability | 1 | 1 | 1.8K | 2.8K |
| 624 | hygiene | 1 | 1 | 1.3K | 2.2K |
| 624 | Forest genetics | 1 | 1 | 733 | 1.2K |
| 624 | plant oils | 1 | 1 | 514 | 982 |
| 624 | Investments | 1 | 1 | 863 | 1.3K |
| 661 | Literature | 1 | 0 | 1.6K | 1.6K |
| 661 | History | 1 | 0 | 2.1K | 2.2K |
| 661 | Nursing | 1 | 0 | 3.8K | 5.8K |
| 661 | Robotics | 1 | 0 | 2.9K | 4.3K |
| 661 | Cloud Computing | 1 | 0 | 743 | 1.4K |
| 661 | Mass Communication | 1 | 0 | 32 | 63 |
| 661 | Functional Analysis | 2 | 0 | 966 | 1.9K |
| 661 | Fiction | 1 | 0 | 339 | 512 |
| 661 | Clinical Trials | 1 | 0 | 967 | 1.9K |
| 661 | American Literature | 1 | 0 | 1.3K | 1.1K |
| 661 | Food Safety | 1 | 0 | 667 | 1.4K |
| 661 | Andrology | 1 | 0 | 1.4K | 2.3K |
| 661 | Ceramics | 1 | 0 | 2.9K | 4.1K |
| 661 | Public History | 2 | 0 | 11 | 26 |
| 661 | Microbial Ecology | 1 | 0 | 4.3K | 6.3K |
| 661 | Human Geography | 2 | 0 | 1.5K | 3.1K |
| 661 | Public Administration | 1 | 0 | 2.7K | 4.1K |
| 661 | Plant Ecology | 1 | 0 | 2.8K | 4.1K |
| 661 | Process Control | 1 | 0 | 699 | 1.4K |
| 661 | Social History | 1 | 0 | 1.2K | 1.5K |
| 661 | Geochemistry | 1 | 0 | 2.5K | 3.8K |
| 661 | Behavioral Genetics | 1 | 0 | 549 | 1.0K |
| 661 | Operations Research | 1 | 0 | 3.4K | 5.0K |
| 661 | Dialysis | 1 | 0 | 330 | 567 |
| 661 | Geographic information systems | 1 | 0 | 2.2K | 3.7K |
| 661 | Kidney transplantation | 1 | 0 | 176 | 385 |
| 661 | Popular culture | 1 | 0 | 1.1K | 1.6K |
| 661 | Computer-Aided Design | 1 | 0 | 2.1K | 3.2K |
| 661 | Information visualization | 1 | 0 | 447 | 900 |
| 661 | Preoperative Care | 1 | 0 | 236 | 504 |
| 661 | energy conservation | 1 | 0 | 3.1K | 4.8K |
| 661 | perioperative care | 1 | 0 | 234 | 498 |
| 661 | Cognitive neuroscience | 1 | 0 | 1.8K | 2.8K |
| 661 | Patient Safety | 1 | 0 | 245 | 558 |
| 661 | elder abuse | 1 | 0 | 634 | 1.3K |
| 661 | Labor Unions | 1 | 0 | 594 | 1.1K |
| 661 | food contamination | 1 | 0 | 2.2K | 3.4K |
| 661 | Environmental Geochemistry | 1 | 0 | 1.3K | 2.2K |
| 661 | Happiness | 1 | 0 | 917 | 1.8K |
| 661 | Sustainable tourism | 1 | 0 | 21 | 37 |
| 661 | Neuroplasticity | 1 | 0 | 1.0K | 1.8K |
| 661 | food handling | 1 | 0 | 1.0K | 2.0K |
| 661 | rule of law | 1 | 0 | 114 | 187 |
| 661 | Cosmochemistry | 1 | 0 | 920 | 1.7K |
| 661 | human behavior | 1 | 0 | 4.2K | 6.5K |
| 661 | East Asia | 1 | 0 | 1.7K | 2.2K |
| 661 | Communication research | 1 | 0 | 32 | 63 |
| 661 | Labor history | 1 | 0 | 228 | 487 |
| 661 | Criticism | 1 | 0 | 541 | 763 |
| 661 | Light | 1 | 0 | 2.1K | 3.3K |
| 661 | libraries | 5 | 0 | 577 | 2.0K |
| 661 | Pakistan | 1 | 0 | 847 | 1.2K |
| 661 | Southeast Asia | 1 | 0 | 986 | 1.6K |
| 661 | Ukraine | 1 | 0 | 309 | 347 |
| 661 | human development | 1 | 0 | 1.5K | 2.6K |
| 661 | administrative agencies | 1 | 0 | 569 | 1.0K |
| 661 | Geospatial data | 1 | 0 | 67 | 306 |
| 661 | family violence | 1 | 0 | 799 | 1.5K |
| 661 | Labor Movement | 1 | 0 | 580 | 875 |
| 661 | Minerals | 1 | 0 | 1.6K | 2.6K |
| 661 | Immune system | 1 | 0 | 2.2K | 3.4K |
| 661 | Choreography | 1 | 0 | 36 | 74 |
| 661 | Immunity | 1 | 0 | 3.7K | 5.4K |
| 661 | police | 1 | 0 | 746 | 1.1K |
