11.2K(top 0.1%)
papers
830.3K(top 0.1%)
citations
378(top 0.1%)
h-index
637(top 0.1%)
g-index
14.5K
all documents
1.0M
doc citations
16.8K
citing journals
Top Disciplines (by citations)
| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|---|---|---|---|---|
| 1 | Biology | 1,159 | 130,696 | 43 | 62 |
| 2 | Science | 764 | 128,390 | 74 | 79 |
| 3 | Cytology | 863 | 110,252 | 20 | 32 |
| 4 | Cell Biology | 639 | 98,101 | 34 | 42 |
| 5 | Physics | 276 | 77,702 | 449 | 106 |
| 6 | Molecular Biology | 870 | 75,362 | 39 | 45 |
| 7 | Natural history | 179 | 71,579 | 98 | 79 |
| 8 | Biochemistry | 669 | 48,324 | 132 | 67 |
| 9 | Microbiology | 338 | 34,258 | 226 | 115 |
| 10 | Genetics | 444 | 33,931 | 48 | 92 |
| 11 | Ecology | 321 | 28,294 | 197 | 154 |
| 12 | Medicine | 401 | 26,573 | 207 | 257 |
| 13 | Immunology | 170 | 26,200 | 358 | 106 |
| 14 | Developmental Biology | 277 | 25,052 | 40 | 45 |
| 15 | Virology | 126 | 24,502 | 295 | 189 |
| 16 | Botany | 211 | 20,546 | 154 | 65 |
| 17 | Cell differentiation | 162 | 20,331 | 26 | 22 |
| 18 | cell physiology | 229 | 18,771 | 5 | 6 |
| 19 | Research | 400 | 18,552 | 63 | 88 |
| 20 | Neurology | 251 | 18,385 | 465 | 494 |
| 21 | Plant cells | 111 | 18,283 | 70 | 47 |
| 22 | Chemistry | 326 | 17,581 | 902 | 934 |
| 23 | Immunity | 71 | 15,892 | 243 | 114 |
| 24 | Embryology | 161 | 14,474 | 56 | 65 |
| 25 | Human genetics | 58 | 13,179 | 502 | 508 |
| 26 | Plants | 97 | 13,131 | 120 | 47 |
| 27 | Anatomy | 152 | 12,660 | 48 | 65 |
| 28 | Growth | 107 | 12,273 | 67 | 61 |
| 29 | Biophysics | 133 | 10,538 | 343 | 51 |
| 30 | Endocrinology | 124 | 9,523 | 227 | 190 |
| 31 | Evolution | 101 | 9,066 | 91 | 92 |
| 32 | plant molecular biology | 81 | 8,520 | 125 | 105 |
| 33 | Cell death | 25 | 8,151 | 248 | 44 |
| 34 | Neurophysiology | 104 | 8,060 | 293 | 297 |
| 35 | Developmental Genetics | 58 | 7,888 | 49 | 76 |
| 36 | Yeast | 10 | 7,226 | 135 | 3 |
| 37 | Genetic regulation | 55 | 7,216 | 54 | 88 |
| 38 | Allergy | 30 | 6,904 | 253 | 102 |
| 39 | biological evolution | 73 | 6,850 | 167 | 173 |
| 40 | Neurons | 41 | 6,816 | 149 | 200 |
| 41 | Cancer | 95 | 6,776 | 455 | 409 |
| 42 | Oncogenes | 45 | 6,580 | 99 | 37 |
| 43 | Cytogenetics | 45 | 6,182 | 241 | 154 |
| 44 | Gene expression regulation | 45 | 6,162 | 66 | 104 |
| 45 | Hematology | 113 | 5,985 | 872 | 607 |
| 46 | Host-parasite interactions | 44 | 5,925 | 149 | 83 |
| 47 | RNA | 46 | 5,878 | 22 | 3 |
| 48 | gene mapping | 46 | 5,760 | 152 | 71 |
| 49 | viral genetics | 30 | 5,641 | 85 | 103 |
| 50 | Liver diseases | 54 | 5,640 | 42 | 53 |
| 51 | Toxicology | 91 | 5,517 | 301 | 168 |
| 52 | Environment | 88 | 5,378 | 312 | 489 |
| 53 | nucleic acids | 74 | 5,067 | 132 | 458 |
| 54 | Pharmacology | 69 | 5,059 | 961 | 382 |
| 55 | Pharmaceutical Chemistry | 114 | 4,929 | 321 | 277 |
| 56 | Thrombosis | 58 | 4,928 | 16 | 7 |
| 57 | Cardiovascular system | 58 | 4,874 | 132 | 297 |
| 58 | vascular diseases | 50 | 4,824 | 14 | 6 |
| 59 | Physiology | 98 | 4,606 | 403 | 509 |
| 60 | Plant Ecology | 78 | 4,218 | 49 | 66 |
| 61 | mycoses | 18 | 4,120 | 141 | 40 |
| 61 | Bacterial infections | 19 | 4,120 | 129 | 39 |
| 63 | Molecular structure | 27 | 4,055 | 369 | 167 |
| 64 | Reproduction | 94 | 3,977 | 87 | 94 |
| 65 | DNA polymerases | 19 | 3,961 | 77 | 63 |
| 66 | Immune system | 13 | 3,960 | 552 | 265 |
| 67 | viruses | 48 | 3,886 | 371 | 278 |
| 68 | Histology | 41 | 3,783 | 166 | 79 |
| 69 | Environmental Health | 79 | 3,760 | 565 | 725 |
| 70 | Critical Care | 31 | 3,328 | 252 | 203 |
| 70 | Critical Care Medicine | 31 | 3,328 | 250 | 201 |
| 72 | plant communities | 54 | 3,280 | 43 | 54 |
| 73 | Clinical Chemistry | 76 | 3,079 | 189 | 257 |
| 74 | Plant physiology | 27 | 3,057 | 560 | 278 |
| 75 | Medical Microbiology | 27 | 3,009 | 665 | 307 |
| 76 | Neurobiology | 46 | 3,004 | 229 | 267 |
| 77 | Immunotherapy | 12 | 2,990 | 1.1K | 279 |
| 78 | Biomedical Engineering | 21 | 2,876 | 2.2K | 413 |
| 79 | Algae | 91 | 2,813 | 15 | 26 |
| 80 | Environmental Toxicology | 43 | 2,612 | 169 | 219 |
| 81 | Genetic engineering | 39 | 2,573 | 115 | 93 |
| 82 | Neurochemistry | 60 | 2,523 | 270 | 458 |
| 83 | Biotechnology | 31 | 2,451 | 3.1K | 2.2K |
| 84 | biological factors | 10 | 2,355 | 1.3K | 74 |
| 85 | Computational Biology | 73 | 2,326 | 198 | 1.1K |
| 86 | Seaweed | 60 | 2,261 | 9 | 19 |
| 87 | Virulence | 31 | 2,220 | 234 | 258 |
| 88 | Animal Behavior | 64 | 2,196 | 119 | 239 |
| 89 | Genomics | 74 | 2,163 | 198 | 392 |
| 90 | Biodiversity | 20 | 2,138 | 585 | 219 |
| 91 | natural products | 11 | 2,133 | 1.2K | 149 |
| 92 | Bioenergetics | 8 | 2,127 | 273 | 20 |
| 92 | Energy metabolism | 8 | 2,127 | 231 | 19 |
| 94 | Zoology | 40 | 2,091 | 367 | 142 |
| 95 | Bioengineering | 20 | 2,046 | 2.3K | 1.7K |
| 96 | Medical genetics | 30 | 1,962 | 2.1K | 1.9K |
| 97 | Medical innovations | 20 | 1,961 | 128 | 291 |
| 98 | Brain | 44 | 1,947 | 403 | 471 |
| 99 | United Kingdom | 33 | 1,898 | 207 | 222 |
| 100 | genome | 44 | 1,890 | 207 | 1.1K |
| 101 | Teratology | 36 | 1,878 | 22 | 15 |
| 102 | Bioinformatics | 46 | 1,863 | 293 | 1.1K |
| 103 | Insects | 19 | 1,837 | 241 | 64 |
| 104 | Signal Transduction | 28 | 1,836 | 99 | 129 |
| 105 | Pathology | 31 | 1,805 | 760 | 658 |
| 105 | Microbial Ecology | 30 | 1,805 | 722 | 898 |
| 107 | Informatics | 27 | 1,778 | 57 | 83 |
| 108 | Biochemical Engineering | 12 | 1,760 | 941 | 932 |
| 109 | Biogeography | 29 | 1,754 | 128 | 159 |
| 110 | Chromosome mapping | 26 | 1,721 | 267 | 206 |
| 111 | Biomolecules | 1 | 1,674 | 2.0K | 54 |
| 111 | Structure-activity relationship | 1 | 1,674 | 1.3K | 49 |
| 113 | Nutrition | 44 | 1,610 | 1.1K | 1.5K |
| 114 | Molecular Genetics | 32 | 1,589 | 420 | 455 |
| 115 | Insect biochemistry | 26 | 1,548 | 29 | 17 |
| 116 | Psychiatry | 17 | 1,519 | 4.3K | 2.8K |
| 117 | Ethology | 36 | 1,461 | 165 | 307 |
| 118 | Meteorology | 16 | 1,424 | 794 | 487 |
| 119 | Stem cells | 20 | 1,420 | 579 | 354 |
| 120 | ecosystem | 20 | 1,419 | 203 | 186 |
| 121 | cell membrane | 6 | 1,389 | 248 | 30 |
| 122 | Drug delivery systems | 4 | 1,371 | 1.6K | 220 |
| 123 | Biomechanics | 4 | 1,325 | 1.9K | 195 |
| 124 | Metabolic diseases | 10 | 1,303 | 3.9K | 1.9K |
| 125 | cell movement | 24 | 1,298 | 14 | 14 |
| 126 | biomimicry | 11 | 1,285 | 8 | 1 |
| 127 | Transplantation | 12 | 1,283 | 1.3K | 509 |
| 127 | cloning | 14 | 1,283 | 99 | 154 |
| 129 | gastrointestinal tract | 18 | 1,217 | 5 | 8 |
| 130 | Nanotechnology | 25 | 1,210 | 4.2K | 4.3K |
| 131 | Molecular Microbiology | 12 | 1,195 | 655 | 496 |
| 132 | enzymes | 38 | 1,193 | 48 | 129 |
| 133 | Pollution | 27 | 1,190 | 2.3K | 3.1K |
| 134 | Molecular Pharmacology | 21 | 1,187 | 140 | 187 |
| 135 | Neuropsychology | 33 | 1,148 | 539 | 586 |
| 136 | Hypertension | 18 | 1,140 | 1.0K | 2.1K |
| 137 | Psychophysiology | 36 | 1,125 | 829 | 1.5K |
| 138 | Animal ecology | 29 | 1,123 | 228 | 262 |
| 139 | Longevity | 1 | 1,119 | 479 | 1 |
| 139 | rejuvenation | 1 | 1,119 | 377 | 1 |
| 141 | Recombinant DNA | 17 | 1,117 | 179 | 80 |
| 142 | Molecular evolution | 31 | 1,092 | 238 | 475 |
| 143 | Marine Biology | 23 | 1,088 | 614 | 411 |
| 144 | Metabolism | 15 | 1,076 | 3.2K | 2.3K |
| 145 | Oncology | 17 | 1,074 | 1.1K | 2.2K |
| 145 | Bacteriology | 12 | 1,074 | 1.1K | 771 |
| 147 | Biodiversity conservation | 19 | 1,060 | 533 | 941 |
| 148 | Cytoskeleton | 26 | 1,052 | 18 | 25 |
| 149 | Oxidation-reduction | 10 | 1,030 | 206 | 207 |
| 150 | Hormones | 31 | 1,015 | 54 | 156 |
| 151 | Antioxidants | 8 | 990 | 272 | 172 |
| 152 | Psychology | 17 | 978 | 3.1K | 2.4K |
| 153 | Cerebral cortex | 7 | 975 | 1.1K | 406 |
| 154 | Respiration | 24 | 974 | 308 | 350 |
| 155 | Membranes | 9 | 970 | 669 | 229 |
| 156 | Molecular cloning | 16 | 966 | 157 | 83 |
| 156 | Genetic recombination | 16 | 966 | 148 | 81 |
| 158 | Biocompatible Materials | 19 | 963 | 3.8K | 3.6K |
| 159 | Cell metabolism | 7 | 953 | 492 | 779 |
| 160 | environmental protection | 16 | 948 | 922 | 795 |
| 161 | Digestive system diseases | 29 | 946 | 23 | 23 |
| 162 | cell interaction | 17 | 907 | 70 | 53 |
| 163 | Homeostasis | 4 | 902 | 797 | 829 |
| 164 | Microorganisms | 8 | 897 | 872 | 530 |
| 165 | Medical Oncology | 7 | 886 | 3.5K | 1.1K |
| 165 | Nervous system | 10 | 886 | 2.6K | 2.1K |
| 167 | proteins | 31 | 868 | 645 | 1.1K |
| 168 | Molecular ecology | 18 | 860 | 445 | 665 |
| 169 | Plant Taxonomy | 6 | 848 | 254 | 64 |
| 170 | Genes | 35 | 847 | 76 | 171 |
| 171 | Social behavior | 18 | 835 | 219 | 272 |
| 171 | Entomology | 17 | 835 | 798 | 379 |
| 173 | Oxidative stress | 7 | 823 | 626 | 161 |
| 174 | Therapeutics | 18 | 822 | 773 | 1.2K |
| 175 | Cell adhesion | 12 | 817 | 2 | 2 |
| 176 | Population Genetics | 13 | 814 | 607 | 585 |
| 177 | nanoscience | 10 | 777 | 3.6K | 2.9K |
| 178 | Cell survival | 4 | 775 | 117 | 16 |
| 178 | molecular chaperones | 4 | 775 | 118 | 16 |
| 180 | free radicals | 16 | 753 | 211 | 477 |
| 181 | Cell communication | 12 | 732 | 62 | 39 |
| 182 | Developmental Neurobiology | 18 | 727 | 10 | 30 |
| 183 | Morphology | 21 | 724 | 81 | 90 |
| 184 | Ophthalmology | 21 | 696 | 663 | 668 |
| 185 | Genetic therapy | 16 | 670 | 430 | 619 |
| 186 | drug development | 10 | 637 | 512 | 1.3K |
| 187 | Metastasis | 2 | 635 | 256 | 82 |
| 188 | Ecosystem management | 1 | 626 | 1.3K | 129 |
| 189 | Analytical Chemistry | 17 | 622 | 3.7K | 3.5K |
| 190 | Pharmacogenetics | 12 | 592 | 325 | 376 |
| 191 | Microscopy | 26 | 590 | 203 | 207 |
| 192 | protein | 22 | 581 | 474 | 871 |
| 193 | mammals | 12 | 580 | 308 | 164 |
| 194 | infection | 13 | 579 | 538 | 666 |
| 195 | Plant diseases | 12 | 570 | 1.1K | 676 |
| 195 | Birds | 32 | 570 | 230 | 284 |
| 197 | carcinogens | 8 | 553 | 827 | 534 |
| 198 | drug therapy | 12 | 552 | 1.7K | 1.7K |
| 199 | Breeding | 14 | 538 | 457 | 493 |
| 200 | Culture techniques | 17 | 526 | 11 | 17 |
| 201 | chromatin | 8 | 513 | 12 | 19 |
| 202 | Dementia | 2 | 491 | 3.9K | 811 |
| 202 | Alzheimer's disease | 2 | 491 | 4.3K | 917 |
| 204 | Microbial Genetics | 9 | 487 | 143 | 143 |
| 204 | phytopathogenic bacteria | 9 | 487 | 114 | 136 |
| 206 | Mental Disorders | 7 | 479 | 5.8K | 4.6K |
| 207 | Restoration Ecology | 3 | 473 | 326 | 59 |
| 208 | Environmental Engineering | 11 | 464 | 3.0K | 4.0K |
| 208 | Fluid Mechanics | 6 | 464 | 1.9K | 1.0K |
| 210 | Ornithology | 24 | 453 | 229 | 270 |
| 211 | Psychopharmacology | 8 | 449 | 2.2K | 2.2K |
| 212 | Nutrition physiology | 2 | 444 | 1.3K | 250 |
| 212 | Nutritional support | 2 | 444 | 214 | 30 |
| 214 | Climate change | 10 | 443 | 531 | 1.4K |
| 215 | Mental illness | 5 | 442 | 4.0K | 2.8K |
| 216 | Proteome | 13 | 434 | 678 | 1.4K |
| 217 | Bioorganic chemistry | 27 | 432 | 971 | 2.1K |
| 218 | Eutrophication | 9 | 430 | 592 | 1.5K |
| 219 | Mycology | 14 | 423 | 592 | 742 |
| 220 | Andrology | 12 | 417 | 247 | 228 |
| 221 | Infections | 6 | 415 | 721 | 849 |
| 222 | gene therapy | 9 | 413 | 696 | 1.1K |
| 223 | Plant breeding | 10 | 405 | 328 | 265 |
| 223 | Scandinavia | 4 | 405 | 612 | 169 |
| 223 | eugenics | 10 | 405 | 215 | 198 |
| 226 | heredity | 8 | 403 | 446 | 308 |
| 227 | Public Health | 10 | 401 | 6.8K | 6.5K |
| 227 | Neurotransmitters | 12 | 401 | 116 | 206 |
| 229 | Ecological Genetics | 1 | 396 | 1.4K | 69 |
| 229 | Ecophysiology | 1 | 396 | 576 | 11 |
| 231 | Asthma | 11 | 389 | 166 | 113 |
| 232 | Comparative Physiology | 18 | 388 | 108 | 272 |
| 233 | Systems Biology | 17 | 381 | 233 | 540 |
| 233 | Fungi | 6 | 381 | 568 | 496 |
| 235 | Drug discovery | 15 | 367 | 6 | 37 |
| 236 | embryonic development | 11 | 365 | 133 | 165 |
| 237 | Urology | 9 | 361 | 2.4K | 2.8K |
| 238 | Pharmacy | 6 | 357 | 2.7K | 1.4K |
| 239 | Chemotherapy | 4 | 353 | 1.8K | 684 |
| 239 | Immunopathology | 7 | 353 | 1.2K | 972 |
| 241 | Diet | 3 | 349 | 6.4K | 4.5K |
| 242 | sanitation | 7 | 348 | 2.1K | 3.7K |
| 243 | Plant Genetics | 5 | 346 | 749 | 720 |
| 243 | Organic Chemistry | 27 | 346 | 1.5K | 2.9K |
| 243 | Androgens | 9 | 346 | 92 | 143 |
| 246 | environmental pollution | 11 | 336 | 3.2K | 4.1K |
| 247 | Geography | 9 | 335 | 1.1K | 1.1K |
| 248 | Materials | 4 | 326 | 15.9K | 10.9K |
| 249 | Epigenetics | 11 | 321 | 21 | 15 |
| 249 | Epigenomics | 11 | 321 | 21 | 15 |
| 251 | Clinical Immunology | 9 | 313 | 704 | 689 |
| 251 | Behavior | 6 | 313 | 3.9K | 3.4K |
| 253 | Conservation Biology | 6 | 310 | 627 | 724 |
| 254 | Diabetes mellitus | 5 | 306 | 4.4K | 4.8K |
| 254 | Diabetes | 5 | 306 | 4.9K | 5.1K |
| 256 | Statistics | 2 | 300 | 6.5K | 2.0K |
| 256 | Computer-Aided Design | 6 | 300 | 448 | 299 |
| 256 | Chromosomes | 13 | 300 | 183 | 548 |
| 256 | Cheminformatics | 6 | 300 | 102 | 222 |
| 260 | Lipids | 5 | 289 | 1.4K | 1.3K |
| 261 | Biopharmaceutics | 2 | 271 | 2.5K | 633 |
| 262 | Plant tissue culture | 6 | 263 | 368 | 348 |
| 262 | Plant cell culture | 6 | 263 | 367 | 348 |
| 264 | Oceanography | 7 | 258 | 1.1K | 1.1K |
| 265 | Environmental Microbiology | 7 | 256 | 1.1K | 2.0K |
| 266 | glycoproteins | 12 | 255 | 136 | 368 |
| 266 | Glycoconjugates | 12 | 255 | 136 | 368 |
| 266 | Oligosaccharide | 12 | 255 | 73 | 278 |
| 266 | Carbohydrates | 12 | 255 | 106 | 308 |
| 266 | glycolipids | 12 | 255 | 136 | 368 |
| 271 | pain | 12 | 254 | 973 | 3.3K |
| 272 | Analytical Biochemistry | 4 | 250 | 1.8K | 781 |
| 273 | Sustainable Development | 2 | 248 | 2.1K | 711 |
| 273 | sustainability | 2 | 248 | 716 | 317 |
| 273 | Invertebrates | 8 | 248 | 79 | 72 |
| 276 | Obstetrics | 7 | 247 | 3.7K | 3.6K |
| 277 | Drug design | 8 | 244 | 1.0K | 1.6K |
| 278 | global environmental change | 1 | 243 | 1.2K | 266 |
| 279 | Computational Chemistry | 6 | 238 | 483 | 640 |
| 280 | abnormalities | 8 | 237 | 94 | 132 |
| 281 | Developmental Disabilities | 3 | 233 | 1.5K | 1.0K |
| 281 | Intellectual disability | 3 | 233 | 1.0K | 369 |
| 283 | DNA methylation | 4 | 229 | 302 | 334 |
| 284 | histological techniques | 4 | 225 | 908 | 1.0K |
| 284 | Environmental pollutants | 6 | 225 | 1.9K | 2.0K |
| 286 | Carcinogenesis | 2 | 223 | 3.3K | 1.6K |
| 286 | DNA repair | 5 | 223 | 227 | 230 |
| 286 | mutagens | 3 | 223 | 1.7K | 1.5K |
| 289 | Polymers | 3 | 221 | 13.2K | 6.9K |
| 290 | Climatology | 2 | 219 | 3.2K | 1.5K |
| 291 | Environmental Chemistry | 5 | 216 | 2.6K | 3.2K |
| 291 | pollutants | 4 | 216 | 2.0K | 1.6K |
| 291 | Spectrum analysis | 4 | 216 | 5.5K | 3.2K |
| 294 | visualization | 43 | 210 | 19 | 377 |
| 294 | DNA | 6 | 210 | 185 | 176 |
| 296 | Plant genetic engineering | 4 | 209 | 1.1K | 1.2K |
| 297 | DNS | 5 | 208 | 239 | 231 |
| 298 | Astrocytes | 5 | 207 | 553 | 1.2K |
| 298 | ethanol | 6 | 207 | 234 | 237 |
| 298 | alcoholism | 6 | 207 | 1.9K | 1.9K |
| 301 | Synthetic biology | 7 | 205 | 268 | 318 |
| 302 | Autism | 7 | 201 | 367 | 678 |
| 303 | Reproductive toxicology | 4 | 190 | 289 | 264 |
| 304 | Green Chemistry | 3 | 188 | 4.4K | 3.5K |
| 305 | Audiology | 12 | 187 | 426 | 823 |
| 306 | human behavior | 5 | 184 | 2.5K | 3.9K |
| 307 | Epidemiology | 13 | 183 | 3.4K | 8.3K |
| 308 | Hemodynamics | 6 | 177 | 1.1K | 4.0K |
| 308 | Technology | 4 | 177 | 6.8K | 5.0K |
| 310 | Biometrics | 2 | 172 | 3.2K | 1.5K |
| 311 | Physical organic chemistry | 9 | 169 | 1.0K | 1.2K |
| 311 | Environmental monitoring | 12 | 169 | 2.0K | 6.4K |
| 313 | Cell migration | 3 | 168 | 37 | 97 |
| 313 | vitamins | 2 | 168 | 21 | 25 |
| 315 | Health Policy | 1 | 166 | 11.4K | 3.5K |
| 315 | miniaturization | 3 | 166 | 5.2K | 6.7K |
| 317 | sexual behavior | 4 | 165 | 484 | 518 |
| 318 | Environmental Management | 3 | 164 | 3.6K | 3.8K |
| 319 | Fertilization | 4 | 161 | 46 | 59 |
| 319 | gametes | 4 | 161 | 46 | 59 |
| 321 | Paleontology | 4 | 157 | 1.7K | 1.1K |
| 322 | Thorax | 1 | 155 | 1.8K | 742 |
| 323 | Aging | 6 | 154 | 4.2K | 5.9K |
| 324 | Proteomics | 5 | 150 | 1.2K | 2.2K |
| 324 | Aerosols | 3 | 150 | 326 | 273 |
| 326 | Freshwater invertebrates | 3 | 148 | 65 | 98 |
| 327 | Photochemistry | 3 | 145 | 2.0K | 1.4K |
| 327 | Light | 3 | 145 | 1.6K | 2.0K |
| 329 | Obesity | 2 | 144 | 8.6K | 6.2K |
| 330 | Semantics | 2 | 142 | 137 | 76 |
| 330 | Combinatorial chemistry | 5 | 142 | 976 | 1.8K |
| 330 | environmental exposure | 11 | 142 | 616 | 2.3K |
| 333 | Morphogenesis | 2 | 137 | 45 | 45 |
| 334 | Medical Technology | 5 | 133 | 1.0K | 1.8K |
| 335 | Marine algae | 10 | 132 | 29 | 58 |
| 336 | medical education | 8 | 130 | 1.4K | 2.7K |
| 337 | drug evaluation | 3 | 129 | 1.9K | 1.4K |
| 338 | investigative techniques | 1 | 128 | 341 | 138 |
| 339 | Research Design | 3 | 127 | 1.3K | 1.2K |
| 340 | Food Microbiology | 5 | 125 | 1.2K | 2.4K |
| 340 | Japan | 6 | 125 | 2.1K | 1.4K |
| 342 | Medical Laboratory Science | 5 | 123 | 2.3K | 4.3K |
| 343 | California | 8 | 117 | 201 | 340 |
| 344 | China | 4 | 116 | 4.1K | 2.6K |
| 345 | Liquid chromatography | 2 | 113 | 886 | 210 |
| 346 | Hippocampus | 2 | 112 | 842 | 1.0K |
| 347 | Nanostructured Materials | 4 | 111 | 8.8K | 11.1K |
| 347 | soil microbiology | 4 | 111 | 1.3K | 2.8K |
| 349 | Physical Chemistry | 3 | 109 | 5.6K | 6.8K |
| 349 | United States | 7 | 109 | 7.1K | 11.0K |
| 351 | Respiratory system | 9 | 104 | 155 | 794 |
| 352 | Health promotion | 2 | 103 | 4.1K | 2.9K |
| 352 | cytokines | 2 | 103 | 3.5K | 2.9K |
| 354 | Hydrology | 2 | 102 | 5.1K | 3.4K |
| 354 | Mass Spectrometry | 6 | 102 | 1.3K | 2.5K |
| 354 | Cognition | 4 | 102 | 2.2K | 2.9K |
| 357 | Data Mining | 3 | 101 | 1.2K | 1.6K |
| 357 | data collection | 3 | 101 | 654 | 1.1K |
| 359 | Microelectronics | 1 | 100 | 8.3K | 7.5K |
| 360 | computer networks | 1 | 96 | 4.5K | 1.4K |
| 360 | freshwater biology | 2 | 96 | 1.3K | 1.1K |
| 362 | dietary supplements | 1 | 95 | 504 | 195 |
| 363 | Water pollution | 2 | 92 | 5.4K | 5.4K |
| 363 | Marine Pollution | 2 | 92 | 1.2K | 1.4K |
| 365 | Bones | 3 | 91 | 1.1K | 1.8K |
| 366 | Optical materials | 2 | 89 | 8.8K | 10.0K |
| 367 | Steroids | 4 | 88 | 738 | 1.5K |
| 368 | blood transfusion | 2 | 85 | 2.8K | 2.9K |
| 369 | Clinical Biochemistry | 1 | 84 | 5.1K | 2.5K |
| 369 | Colloids | 4 | 84 | 7.2K | 12.1K |
| 371 | Infertility | 4 | 83 | 1.5K | 3.0K |
| 371 | fertility | 4 | 83 | 1.6K | 3.1K |
| 373 | Immunopharmacology | 1 | 82 | 4.2K | 2.0K |
| 374 | Protein folding | 2 | 81 | 137 | 115 |
| 374 | prions | 2 | 81 | 123 | 79 |
| 376 | Bone diseases | 1 | 80 | 1.5K | 1.2K |
| 377 | Geriatrics | 4 | 78 | 6.6K | 12.1K |
| 378 | Catalysis | 3 | 77 | 8.8K | 12.1K |
| 378 | mental processes | 2 | 77 | 756 | 483 |
| 380 | occupational diseases | 6 | 76 | 654 | 1.9K |
| 380 | Fisheries | 2 | 76 | 1.8K | 1.6K |
| 382 | Hemostasis | 7 | 75 | 288 | 1.2K |
| 382 | Chemical analysis | 4 | 75 | 1.5K | 2.5K |
| 384 | Palynology | 3 | 74 | 187 | 150 |
| 384 | Organometallic compounds | 1 | 74 | 3.8K | 2.1K |
| 386 | Pharmacognosy | 7 | 72 | 1.5K | 5.6K |
| 387 | Occupational Health | 5 | 71 | 903 | 1.5K |
| 387 | Psychosomatic Medicine | 1 | 71 | 3.1K | 2.3K |
| 389 | Lipid metabolism | 1 | 70 | 1.3K | 1.1K |
| 389 | Lipid | 1 | 70 | 1.3K | 1.1K |
| 389 | Autoimmune diseases | 3 | 70 | 810 | 1.9K |
| 392 | Landscape Ecology | 1 | 69 | 967 | 795 |
| 392 | Soft Condensed Matter | 2 | 69 | 2.4K | 2.3K |
| 392 | biopolymers | 2 | 69 | 3.1K | 3.1K |
| 395 | Schizophrenia | 3 | 67 | 2.2K | 3.6K |
| 395 | Extracellular matrix | 1 | 67 | 728 | 978 |
| 395 | collagen | 1 | 67 | 757 | 996 |
| 398 | animals | 4 | 65 | 1.3K | 1.7K |
| 398 | Primates | 2 | 65 | 1.5K | 1.5K |
| 400 | Cell division | 2 | 63 | 1.4K | 2.1K |
| 401 | bioclimatology | 2 | 61 | 1.1K | 1.2K |
| 401 | Phylogeny | 2 | 61 | 1.5K | 1.9K |
| 403 | Malaria | 4 | 60 | 662 | 1.2K |
| 403 | drugs | 2 | 60 | 5.2K | 5.5K |
| 405 | Cognitive Science | 1 | 59 | 5.1K | 4.5K |
| 405 | Cognitive neuroscience | 1 | 59 | 4.0K | 4.0K |
| 405 | Endocrine system | 3 | 59 | 770 | 570 |
| 408 | Information Systems | 2 | 58 | 1.5K | 2.0K |
| 408 | Functional Genomics | 4 | 58 | 278 | 1.7K |
| 410 | Genetic epidemiology | 4 | 57 | 589 | 1.3K |
| 411 | Freshwater Ecology | 2 | 56 | 241 | 109 |
| 411 | Emergency Medicine | 1 | 56 | 5.1K | 2.6K |
| 411 | Learning | 4 | 56 | 1.3K | 2.7K |
| 414 | Pharmacokinetics | 2 | 55 | 2.0K | 2.5K |
| 414 | Electrophoresis | 2 | 55 | 4.7K | 5.2K |
| 416 | Vision | 2 | 54 | 936 | 1.4K |
| 416 | Earth Sciences | 1 | 54 | 8.2K | 4.5K |
| 418 | Geophysics | 2 | 53 | 8.8K | 9.9K |
| 418 | Atmospheric Chemistry | 2 | 53 | 1.3K | 1.9K |
| 418 | Atmospheric Physics | 2 | 53 | 2.7K | 3.3K |
| 418 | Ichthyology | 1 | 53 | 885 | 323 |
| 418 | Fish | 1 | 53 | 657 | 256 |
| 423 | Gastrointestinal diseases | 1 | 51 | 2.1K | 1.1K |
| 424 | Mathematics | 4 | 49 | 9.7K | 9.6K |
| 424 | Aquatic animals | 1 | 49 | 134 | 59 |
| 426 | Climate | 1 | 48 | 986 | 881 |
| 426 | weather | 1 | 48 | 961 | 812 |
| 426 | mathematical concepts | 2 | 48 | 584 | 499 |
| 426 | Vaccines | 3 | 48 | 3.2K | 5.5K |
| 430 | Immunogenetics | 1 | 47 | 3.3K | 2.7K |
| 431 | Otolaryngology | 3 | 46 | 1.4K | 2.2K |
| 431 | Cerebellum | 1 | 46 | 933 | 810 |
| 431 | Cerebellar ataxia | 1 | 46 | 933 | 810 |
| 434 | Electron Microscopy | 2 | 45 | 584 | 1.1K |
| 434 | Antibodies | 1 | 45 | 1.3K | 1.2K |
| 434 | Antigens | 1 | 45 | 2.9K | 2.4K |
| 434 | biological invasions | 3 | 45 | 509 | 987 |
| 434 | Fluorescence | 2 | 45 | 633 | 669 |
| 439 | preventive medicine | 2 | 44 | 2.7K | 4.4K |
| 439 | Protozoa | 1 | 44 | 1.1K | 997 |
| 441 | Autoantibodies | 2 | 43 | 1.1K | 2.5K |
| 441 | Autoimmunity | 2 | 43 | 1.6K | 3.8K |
| 443 | Plant Morphology | 1 | 42 | 814 | 668 |
| 443 | Quantum Chemistry | 4 | 42 | 827 | 1.2K |
| 443 | Sleep Disorders | 2 | 42 | 5.3K | 7.4K |
| 443 | Crystallization | 2 | 42 | 881 | 557 |
| 443 | Nanoparticles | 3 | 42 | 4.9K | 10.7K |
| 443 | Crystallography | 2 | 42 | 3.7K | 2.5K |
| 443 | Cell cycle | 1 | 42 | 1.4K | 1.3K |
| 443 | cell proliferation | 1 | 42 | 1.6K | 1.4K |
| 443 | X-ray crystallography | 2 | 42 | 1.4K | 1.3K |
| 443 | Sleep | 2 | 42 | 5.3K | 7.4K |
| 453 | Agricultural Chemistry | 3 | 41 | 6.1K | 13.8K |
| 453 | Health | 1 | 41 | 12.4K | 10.3K |
| 453 | Protein engineering | 2 | 41 | 422 | 812 |
| 453 | molecular design | 2 | 41 | 427 | 789 |
| 457 | Pediatrics | 3 | 40 | 9.8K | 21.7K |
| 457 | mutation | 3 | 40 | 462 | 1.8K |
| 459 | rural health | 1 | 39 | 732 | 661 |
| 460 | Sustainable Engineering | 1 | 38 | 7.6K | 8.4K |
| 461 | Biosensors | 1 | 37 | 5.5K | 8.0K |
| 461 | Bioelectronics | 1 | 37 | 4.1K | 6.8K |
| 461 | Phytotherapy | 1 | 37 | 2.7K | 2.8K |
| 461 | biological monitoring | 2 | 37 | 678 | 1.3K |
| 465 | Sedimentology | 1 | 36 | 1.2K | 1.5K |
| 465 | Wetland ecology | 2 | 36 | 433 | 717 |
| 465 | Ultrasonics | 1 | 36 | 2.6K | 3.2K |
| 465 | Ferroelectricity | 1 | 36 | 2.2K | 1.1K |
| 465 | Sound | 1 | 36 | 2.2K | 1.4K |
| 465 | Radio | 1 | 36 | 3.0K | 2.8K |
| 465 | Ultrasound | 1 | 36 | 1.3K | 1.2K |
| 465 | Radio frequency | 1 | 36 | 1.0K | 701 |
| 473 | Robotics | 1 | 35 | 4.6K | 3.7K |
| 473 | Histochemistry | 3 | 35 | 2.5K | 6.0K |
| 473 | Smoking | 5 | 35 | 795 | 2.8K |
| 473 | Physicians | 4 | 35 | 118 | 101 |
| 477 | Industrial Microbiology | 2 | 34 | 5.2K | 9.7K |
| 477 | Eating Disorders | 1 | 34 | 3.5K | 3.5K |
| 477 | Feeding and Eating Disorders | 1 | 34 | 3.3K | 3.4K |
| 480 | Neuroendocrinology | 1 | 33 | 275 | 811 |
| 480 | Agriculture | 1 | 33 | 7.4K | 6.4K |
| 482 | Environmental Policy | 2 | 32 | 6.6K | 15.0K |
| 482 | Regulation | 1 | 32 | 32 | 114 |
| 482 | liver | 3 | 32 | 218 | 787 |
| 485 | Marine Ecology | 2 | 31 | 805 | 1.3K |
| 486 | Surgery | 1 | 30 | 14.4K | 22.8K |
| 486 | Mineralogy | 1 | 30 | 3.0K | 2.7K |
| 486 | Drug delivery devices | 1 | 30 | 740 | 1.6K |
| 486 | toxicity testing | 3 | 30 | 778 | 2.5K |
| 490 | Rheumatology | 1 | 29 | 4.7K | 4.8K |
| 490 | Wildlife conservation | 1 | 29 | 1.1K | 1.3K |
| 490 | Animal migration | 1 | 29 | 17 | 9 |
| 490 | Parenteral nutrition | 1 | 29 | 5.5K | 6.8K |
| 490 | arthritis | 1 | 29 | 4.6K | 6.4K |
| 490 | Synapses | 1 | 29 | 1.4K | 2.0K |
| 496 | Agricultural Ecology | 1 | 28 | 3.5K | 5.1K |
| 496 | Pharmaceutical Technology | 1 | 28 | 6.3K | 7.6K |
| 496 | Emerging infectious diseases | 2 | 28 | 575 | 1.5K |
| 499 | Materials Science | 5 | 27 | 10.4K | 29.5K |
| 499 | Environmental Law | 1 | 27 | 3.7K | 6.7K |
| 501 | Biochemical Genetics | 1 | 26 | 1.2K | 937 |
| 501 | Nonlinear Dynamics | 2 | 26 | 4.6K | 6.7K |
| 501 | monoclonal antibodies | 1 | 26 | 654 | 670 |
| 501 | Drosophila | 3 | 26 | 16 | 113 |
| 501 | Statistical physics | 2 | 26 | 7.9K | 10.0K |
| 506 | Veterinary Immunology | 1 | 25 | 649 | 783 |
| 506 | Open source software | 2 | 25 | 9 | 18 |
| 506 | Neuroanatomy | 1 | 25 | 475 | 743 |
| 506 | Wetland conservation | 1 | 25 | 568 | 669 |
| 506 | Adipose tissue | 1 | 25 | 276 | 382 |
| 506 | hygiene | 1 | 25 | 1.6K | 2.0K |
| 506 | Wetlands | 1 | 25 | 585 | 670 |
| 513 | Structural biology | 1 | 24 | 191 | 418 |
| 514 | food technology | 2 | 23 | 5.3K | 11.1K |
| 514 | Regeneration | 1 | 23 | 238 | 205 |
| 514 | Hemophilia | 1 | 23 | 1.5K | 1.5K |
| 514 | Food | 2 | 23 | 9.8K | 19.3K |
| 514 | Transport | 1 | 23 | 430 | 785 |
| 514 | Sea | 1 | 23 | 251 | 448 |
| 514 | Electrophysiology | 2 | 23 | 1.5K | 4.4K |
| 514 | Fishery resources | 1 | 23 | 314 | 524 |
| 522 | Diagnostic Imaging | 3 | 22 | 5.5K | 14.5K |
| 523 | Health Services Administration | 1 | 21 | 3.5K | 5.0K |
| 523 | Water quality management | 1 | 21 | 5.5K | 6.0K |
| 523 | Interferons | 1 | 21 | 875 | 1.6K |
| 523 | Gerontology | 2 | 21 | 5.2K | 10.2K |
| 523 | Reservoirs | 1 | 21 | 250 | 271 |
| 523 | management | 1 | 21 | 5.1K | 5.6K |
| 523 | North America | 1 | 21 | 1.4K | 1.8K |
| 523 | health planning | 1 | 21 | 4.1K | 5.3K |
| 523 | planning | 1 | 21 | 985 | 966 |
| 523 | Cytokine | 1 | 21 | 1.3K | 2.8K |
| 533 | Physical Therapy | 1 | 20 | 5.2K | 7.8K |
| 533 | Geomorphology | 1 | 20 | 1.1K | 1.7K |
| 533 | Molecular Imaging | 2 | 20 | 2.3K | 5.7K |
| 533 | disease vectors | 2 | 20 | 1.4K | 3.2K |
| 533 | Zoonoses | 1 | 20 | 714 | 1.2K |
| 538 | Orthopedics | 1 | 18 | 7.1K | 9.3K |
| 538 | Neuroimaging | 1 | 18 | 1.2K | 1.7K |
| 538 | Orthopedic Surgery | 1 | 18 | 3.0K | 4.2K |
| 538 | Microbial Biotechnology | 1 | 18 | 3.2K | 4.4K |
| 538 | Immunochemistry | 1 | 18 | 3.7K | 5.1K |
| 538 | Bioinorganic chemistry | 1 | 18 | 4.5K | 6.3K |
| 538 | Microfluidics | 3 | 18 | 228 | 1.5K |
| 545 | Diagnosis | 1 | 16 | 2.8K | 3.7K |
| 545 | particles | 1 | 16 | 1.7K | 2.4K |
| 545 | disease susceptibility | 1 | 16 | 1.5K | 2.7K |
| 545 | biochemical markers | 1 | 16 | 4.1K | 6.4K |
| 545 | symptoms | 1 | 16 | 1.5K | 2.7K |
| 550 | Surface Chemistry | 2 | 15 | 10.4K | 25.2K |
| 550 | Hallucinogens | 1 | 15 | 433 | 836 |
| 550 | drug abuse | 1 | 15 | 2.1K | 3.0K |
| 550 | India | 1 | 15 | 4.3K | 3.0K |
| 554 | Nuclear Physics | 1 | 14 | 10.4K | 11.0K |
| 554 | Nonparametric Statistics | 1 | 14 | 383 | 348 |
| 554 | environmental indicators | 1 | 14 | 218 | 803 |
| 554 | Biomimetic materials | 1 | 14 | 9 | 79 |
| 554 | Ceramic materials | 1 | 14 | 2.3K | 2.8K |
| 554 | Molecules | 1 | 14 | 3.3K | 4.3K |
| 554 | rare diseases | 1 | 14 | 2.8K | 4.7K |
| 561 | Sociology | 1 | 13 | 8.1K | 12.3K |
| 561 | Cardiac electrophysiology | 1 | 13 | 653 | 2.3K |
| 561 | Medical Anthropology | 1 | 13 | 4.1K | 7.7K |
| 561 | plant health | 1 | 13 | 153 | 335 |
| 561 | arrhythmia | 1 | 13 | 653 | 2.3K |
| 561 | musculoskeletal system | 1 | 13 | 474 | 1.0K |
| 567 | Alternative Medicine | 2 | 12 | 5.0K | 14.1K |
| 567 | Organogenesis | 1 | 12 | 108 | 492 |
| 567 | Chemical structure | 1 | 12 | 1.2K | 1.3K |
| 567 | biological agents | 1 | 12 | 2.0K | 1.4K |
| 571 | Hydrogeology | 2 | 11 | 1.3K | 3.6K |
| 571 | nuclear magnetic resonance | 2 | 11 | 2.7K | 6.3K |
| 571 | Health insurance | 1 | 11 | 2.0K | 3.9K |
| 571 | Cardiovascular diseases | 1 | 11 | 7.4K | 12.6K |
| 571 | nuclear magnetic resonance spectroscopy | 2 | 11 | 1.5K | 2.9K |
| 571 | Groundwater | 2 | 11 | 1.6K | 4.8K |
| 571 | Societies | 5 | 11 | 167 | 1.2K |
| 571 | wetland management | 1 | 11 | 236 | 546 |
| 579 | Genetic Toxicology | 1 | 10 | 1.0K | 2.6K |
| 579 | complementary therapies | 1 | 10 | 9.2K | 15.4K |
| 581 | Antiviral agents | 2 | 9 | 295 | 1.6K |
| 581 | Technological Innovations | 3 | 9 | 798 | 4.5K |
| 581 | Library Science | 1 | 9 | 975 | 1.1K |
| 584 | Chemical Engineering | 1 | 8 | 16.2K | 25.7K |
| 584 | Cellular senescence | 1 | 8 | 4.0K | 9.2K |
| 584 | Inflammation | 1 | 8 | 7.2K | 14.6K |
| 584 | Visual Perception | 1 | 8 | 634 | 1.2K |
| 584 | Memory | 1 | 8 | 2.0K | 4.1K |
| 584 | Attention | 1 | 8 | 835 | 1.7K |
| 584 | Perception | 1 | 8 | 1.6K | 2.6K |
| 591 | Clinical Psychology | 1 | 6 | 6.6K | 12.8K |
| 591 | Optics | 1 | 6 | 12.6K | 16.5K |
| 591 | Horticulture | 1 | 6 | 2.3K | 4.0K |
| 591 | Computer Vision | 1 | 6 | 2.1K | 5.0K |
| 591 | Comparative Psychology | 1 | 6 | 200 | 463 |
| 591 | Contraception | 1 | 6 | 1.6K | 3.4K |
| 591 | Diagnostic microbiology | 1 | 6 | 4.9K | 11.1K |
| 591 | psychopathology | 1 | 6 | 747 | 1.5K |
| 591 | prostaglandins | 1 | 6 | 1.0K | 2.7K |
| 600 | Economic Development | 1 | 5 | 2.7K | 6.0K |
| 600 | Nanostructures | 1 | 5 | 8.8K | 16.8K |
| 600 | Teaching | 3 | 5 | 1.4K | 5.9K |
| 603 | Gene expression | 2 | 4 | 781 | 3.8K |
| 604 | Education | 2 | 3 | 7.3K | 21.9K |
| 605 | Mobile genetic elements | 1 | 2 | 255 | 894 |
| 605 | Population | 1 | 2 | 2.1K | 4.9K |
| 605 | Human biology | 1 | 2 | 2.3K | 5.8K |
| 608 | Chemical industry | 1 | 1 | 4.1K | 8.6K |
| 609 | Electrical Engineering | 1 | 0 | 10.3K | 17.3K |
| 609 | Geology | 1 | 0 | 8.4K | 16.9K |
| 609 | Paleoclimatology | 1 | 0 | 1.0K | 2.6K |
| 609 | Developmental Toxicology | 1 | 0 | 161 | 605 |
| 609 | Socioeconomic Factors | 1 | 0 | 1.6K | 4.8K |
| 609 | Herpetology | 1 | 0 | 488 | 1.2K |
| 609 | Social Change | 1 | 0 | 635 | 2.8K |
| 609 | Parasitology | 1 | 0 | 8.4K | 17.9K |
| 609 | Forest Management | 1 | 0 | 349 | 1.2K |
| 609 | Parasitic Diseases | 1 | 0 | 7.2K | 16.7K |
| 609 | forest policy | 1 | 0 | 221 | 800 |
| 609 | teratogens | 1 | 0 | 161 | 605 |
| 609 | Parasites | 1 | 0 | 4.2K | 9.6K |
| 609 | Reptiles | 1 | 0 | 446 | 1.0K |
| 609 | antibiotics | 1 | 0 | 999 | 2.7K |