| 1 | Science | 1,819 | 125.7K | 153 | 218 |
| 2 | Physics | 1,828 | 120.7K | 216 | 255 |
| 3 | Biology | 1,552 | 120.0K | 186 | 227 |
| 4 | Medicine | 2,055 | 118.4K | 133 | 119 |
| 5 | Biochemistry | 3,316 | 115.5K | 61 | 110 |
| 6 | Neurology | 1,896 | 105.2K | 67 | 88 |
| 7 | Chemistry | 2,487 | 104.5K | 123 | 210 |
| 8 | Molecular Biology | 2,097 | 95.1K | 65 | 139 |
| 9 | Astrophysics | 819 | 93.1K | 129 | 82 |
| 10 | Astronomy | 843 | 90.7K | 149 | 81 |
| 11 | Research | 1,550 | 61.7K | 104 | 112 |
| 12 | Human genetics | 269 | 58.4K | 93 | 106 |
| 13 | Nuclear Physics | 1,335 | 57.7K | 154 | 124 |
| 14 | Natural history | 272 | 54.5K | 209 | 246 |
| 15 | Hematology | 1,052 | 49.3K | 42 | 48 |
| 16 | Immunology | 511 | 48.0K | 157 | 95 |
| 17 | Cell Biology | 618 | 44.9K | 113 | 152 |
| 18 | Microbiology | 928 | 44.7K | 140 | 204 |
| 19 | Cytology | 725 | 44.1K | 107 | 162 |
| 20 | Pharmacology | 1,275 | 42.0K | 37 | 59 |
| 21 | Nutrition | 830 | 40.5K | 25 | 26 |
| 22 | Biophysics | 1,356 | 39.1K | 49 | 79 |
| 23 | Cancer | 732 | 38.1K | 51 | 61 |
| 24 | Metabolism | 472 | 34.7K | 53 | 50 |
| 25 | Endocrinology | 550 | 34.4K | 72 | 78 |
| 26 | Pharmaceutical Chemistry | 845 | 32.1K | 15 | 31 |
| 27 | Physiology | 698 | 31.3K | 83 | 84 |
| 28 | Catalysis | 717 | 29.9K | 63 | 91 |
| 29 | Clinical Chemistry | 685 | 28.5K | 9 | 14 |
| 30 | Liver diseases | 277 | 28.2K | 27 | 27 |
| 31 | Ecology | 558 | 27.7K | 244 | 311 |
| 32 | Environment | 381 | 27.1K | 182 | 201 |
| 33 | Metabolic diseases | 390 | 26.7K | 50 | 64 |
| 34 | Nervous system | 571 | 25.6K | 17 | 52 |
| 35 | Medical genetics | 435 | 25.3K | 83 | 106 |
| 36 | Immunity | 191 | 24.8K | 97 | 95 |
| 37 | Psychiatry | 441 | 24.5K | 168 | 166 |
| 38 | Neurophysiology | 334 | 24.2K | 135 | 123 |
| 39 | Aging | 302 | 23.7K | 106 | 36 |
| 40 | Genetics | 351 | 22.3K | 171 | 206 |
| 41 | Botany | 537 | 21.5K | 123 | 165 |
| 42 | Condensed Matter | 498 | 20.9K | 232 | 194 |
| 43 | Biotechnology | 522 | 19.5K | 180 | 293 |
| 44 | Statistical physics | 545 | 19.1K | 113 | 93 |
| 45 | Brain | 342 | 18.5K | 98 | 91 |
| 46 | Pollution | 355 | 18.5K | 231 | 273 |
| 47 | Virology | 308 | 18.3K | 151 | 244 |
| 48 | Psychophysiology | 292 | 17.9K | 147 | 117 |
| 49 | Neurochemistry | 355 | 17.4K | 56 | 49 |
| 50 | Critical Care | 218 | 17.2K | 43 | 39 |
| 51 | Critical Care Medicine | 216 | 17.2K | 39 | 40 |
| 52 | Surgery | 132 | 17.1K | 145 | 97 |
| 53 | Toxicology | 470 | 17.0K | 86 | 96 |
| 54 | Reproduction | 423 | 16.6K | 24 | 23 |
| 55 | Neurobiology | 292 | 16.6K | 45 | 64 |
| 56 | Geriatrics | 165 | 16.2K | 232 | 71 |
| 57 | Electrochemistry | 372 | 15.8K | 143 | 81 |
| 58 | Diet | 302 | 15.5K | 36 | 54 |
| 59 | Pathology | 251 | 15.0K | 81 | 63 |
| 60 | Autoimmunity | 206 | 14.6K | 5 | 5 |
| 61 | Allergy | 79 | 14.6K | 108 | 66 |
| 62 | Environmental Health | 306 | 14.5K | 230 | 266 |
| 63 | Pediatrics | 333 | 13.5K | 90 | 110 |
| 64 | Oncology | 282 | 13.3K | 39 | 118 |
| 65 | Spectrum analysis | 261 | 13.3K | 273 | 282 |
| 66 | Leukemia | 110 | 13.1K | 55 | 24 |
| 67 | Solid State Physics | 441 | 13.0K | 281 | 286 |
| 68 | Immune system | 136 | 12.8K | 32 | 81 |
| 69 | Mathematics | 923 | 12.7K | 135 | 155 |
| 70 | Cardiovascular system | 123 | 12.4K | 131 | 108 |
| 71 | Organic Chemistry | 412 | 12.2K | 40 | 70 |
| 72 | Hypertension | 158 | 11.9K | 101 | 99 |
| 73 | Microbial Ecology | 164 | 11.9K | 124 | 139 |
| 74 | Obstetrics | 287 | 11.8K | 77 | 60 |
| 75 | environmental pollution | 270 | 11.8K | 166 | 194 |
| 76 | Plant cells | 91 | 11.7K | 136 | 123 |
| 77 | Behavior | 228 | 11.4K | 167 | 171 |
| 78 | Neuropsychology | 226 | 11.4K | 87 | 67 |
| 79 | Europe | 518 | 10.4K | 33 | 49 |
| 80 | Bioorganic chemistry | 361 | 10.4K | 24 | 66 |
| 81 | Geology | 226 | 10.4K | 269 | 205 |
| 82 | Food | 260 | 10.3K | 66 | 76 |
| 83 | Pediatric Neurology | 87 | 10.1K | 70 | 69 |
| 84 | drug therapy | 381 | 10.0K | 35 | 67 |
| 85 | Parenteral nutrition | 95 | 9.8K | 29 | 20 |
| 86 | Embryology | 159 | 9.8K | 99 | 109 |
| 87 | transport vesicles | 4 | 9.6K | 166 | 144 |
| 88 | Environmental monitoring | 204 | 9.6K | 126 | 140 |
| 89 | Materials | 274 | 9.5K | 633 | 660 |
| 90 | Epidemiology | 319 | 9.5K | 139 | 204 |
| 91 | Immunotherapy | 108 | 9.5K | 103 | 79 |
| 92 | Nanotechnology | 292 | 9.5K | 393 | 536 |
| 93 | Geophysics | 229 | 9.4K | 358 | 345 |
| 94 | Enteral nutrition | 82 | 9.4K | 20 | 15 |
| 95 | Medical Microbiology | 200 | 9.3K | 89 | 123 |
| 96 | Plants | 150 | 9.3K | 108 | 132 |
| 97 | Cell differentiation | 156 | 9.2K | 103 | 167 |
| 98 | Agricultural Chemistry | 161 | 9.2K | 114 | 54 |
| 99 | Mental Disorders | 159 | 9.1K | 238 | 227 |
| 100 | Genomics | 214 | 8.9K | 132 | 137 |
| 101 | Cardiovascular diseases | 293 | 8.9K | 8 | 12 |
| 102 | plant molecular biology | 107 | 8.6K | 122 | 142 |
| 103 | Biomedical Engineering | 260 | 8.3K | 259 | 300 |
| 104 | Respiration | 251 | 8.3K | 30 | 60 |
| 105 | Immunopathology | 214 | 8.2K | 8 | 16 |
| 106 | Diabetes | 117 | 8.1K | 198 | 169 |
| 107 | Public Health | 295 | 8.1K | 312 | 398 |
| 108 | Parasitic Diseases | 146 | 8.0K | 74 | 56 |
| 109 | Animal Behavior | 185 | 7.8K | 120 | 147 |
| 110 | Developmental Biology | 118 | 7.7K | 212 | 222 |
| 111 | fertility | 123 | 7.7K | 44 | 37 |
| 112 | Infertility | 119 | 7.6K | 42 | 35 |
| 113 | Surface Chemistry | 238 | 7.6K | 226 | 259 |
| 114 | Analytical Chemistry | 206 | 7.5K | 367 | 352 |
| 115 | Mental illness | 135 | 7.5K | 126 | 138 |
| 116 | Diabetes mellitus | 99 | 7.4K | 197 | 173 |
| 117 | free radicals | 86 | 7.4K | 65 | 46 |
| 118 | Cerebral cortex | 116 | 7.2K | 37 | 41 |
| 119 | Molecular structure | 277 | 7.2K | 23 | 100 |
| 120 | Bioengineering | 171 | 7.1K | 325 | 461 |
| 121 | food technology | 225 | 7.1K | 73 | 82 |
| 122 | Genetic engineering | 93 | 7.1K | 140 | 76 |
| 123 | Dermatology | 283 | 6.9K | 52 | 82 |
| 124 | Autoimmune diseases | 95 | 6.7K | 9 | 7 |
| 125 | Parasitology | 142 | 6.7K | 128 | 69 |
| 126 | Cytogenetics | 94 | 6.6K | 117 | 147 |
| 127 | Diagnostic Imaging | 210 | 6.6K | 42 | 68 |
| 128 | Autoantibodies | 92 | 6.6K | 9 | 5 |
| 129 | Ethology | 132 | 6.5K | 113 | 130 |
| 130 | Psychopharmacology | 170 | 6.5K | 60 | 115 |
| 131 | drugs | 250 | 6.5K | 32 | 45 |
| 132 | Plant physiology | 155 | 6.4K | 114 | 179 |
| 133 | Sports Medicine | 283 | 6.4K | 69 | 128 |
| 134 | infection | 167 | 6.3K | 31 | 50 |
| 135 | Numerical Analysis | 102 | 6.1K | 176 | 32 |
| 136 | Polymers | 250 | 6.0K | 414 | 481 |
| 137 | Psychology | 174 | 5.9K | 494 | 459 |
| 138 | Meteorology | 62 | 5.9K | 406 | 250 |
| 139 | Biochemical Engineering | 80 | 5.7K | 449 | 478 |
| 140 | nucleic acids | 100 | 5.6K | 173 | 271 |
| 141 | Infections | 134 | 5.5K | 19 | 47 |
| 142 | Nanostructured Materials | 189 | 5.4K | 238 | 321 |
| 143 | Thrombosis | 118 | 5.4K | 28 | 39 |
| 144 | Cell death | 105 | 5.4K | 53 | 157 |
| 145 | animals | 302 | 5.4K | 6 | 9 |
| 145 | Colloids | 165 | 5.4K | 364 | 426 |
| 147 | Geochemistry | 199 | 5.3K | 145 | 246 |
| 148 | Environmental Microbiology | 70 | 5.3K | 86 | 77 |
| 149 | Biocompatible Materials | 144 | 5.3K | 444 | 593 |
| 150 | Clinical Immunology | 129 | 5.2K | 33 | 23 |
| 151 | Vaccines | 187 | 5.2K | 53 | 82 |
| 152 | Biodiversity conservation | 47 | 5.1K | 318 | 267 |
| 153 | Mathematical Physics | 327 | 5.1K | 72 | 227 |
| 154 | Antioxidants | 54 | 5.1K | 29 | 22 |
| 155 | Nonlinear Dynamics | 171 | 5.1K | 157 | 162 |
| 156 | Environmental Toxicology | 100 | 5.0K | 126 | 142 |
| 157 | cell physiology | 84 | 5.0K | 137 | 149 |
| 158 | Hormones | 130 | 5.0K | 28 | 42 |
| 159 | human behavior | 98 | 5.0K | 247 | 290 |
| 160 | Electrochemical Analysis | 130 | 5.0K | 37 | 32 |
| 161 | Crystal growth | 52 | 4.9K | 75 | 12 |
| 162 | Neurotransmitters | 57 | 4.9K | 22 | 11 |
| 163 | Industrial Microbiology | 116 | 4.9K | 64 | 90 |
| 164 | Stem cells | 147 | 4.9K | 60 | 96 |
| 165 | Memory | 146 | 4.8K | 111 | 146 |
| 166 | Molecular Genetics | 104 | 4.8K | 149 | 190 |
| 166 | Obesity | 122 | 4.8K | 154 | 194 |
| 168 | Optics | 184 | 4.7K | 550 | 404 |
| 169 | Signal Transduction | 82 | 4.7K | 70 | 79 |
| 170 | Chemical Engineering | 124 | 4.7K | 681 | 712 |
| 171 | Evolution | 134 | 4.7K | 135 | 261 |
| 172 | Anatomy | 124 | 4.7K | 150 | 200 |
| 173 | Drug design | 138 | 4.7K | 22 | 42 |
| 174 | Cell metabolism | 35 | 4.7K | 53 | 94 |
| 175 | Homeostasis | 24 | 4.5K | 79 | 95 |
| 176 | Machine Learning | 15 | 4.5K | 80 | 20 |
| 177 | Attention | 147 | 4.4K | 98 | 114 |
| 178 | Climate change | 18 | 4.4K | 383 | 238 |
| 178 | Eutrophication | 18 | 4.4K | 380 | 237 |
| 180 | Perception | 145 | 4.3K | 125 | 151 |
| 181 | Neurosurgery | 70 | 4.3K | 50 | 38 |
| 182 | Visual Perception | 146 | 4.3K | 94 | 109 |
| 183 | Technology | 119 | 4.3K | 402 | 321 |
| 184 | Lipids | 96 | 4.3K | 43 | 80 |
| 185 | Hemophilia | 143 | 4.3K | 5 | 8 |
| 186 | Materials Science | 160 | 4.2K | 563 | 741 |
| 187 | Bacteriology | 107 | 4.2K | 168 | 256 |
| 188 | Environmental Engineering | 80 | 4.2K | 524 | 452 |
| 189 | Biomass Energy | 76 | 4.2K | 254 | 264 |
| 190 | Economics | 215 | 4.2K | 337 | 401 |
| 191 | Chemotherapy | 139 | 4.1K | 34 | 49 |
| 192 | United Kingdom | 109 | 4.1K | 104 | 148 |
| 193 | Breeding | 123 | 4.1K | 61 | 77 |
| 194 | Therapeutics | 68 | 4.0K | 194 | 159 |
| 195 | Quantum Gravity | 135 | 3.9K | 400 | 419 |
| 196 | mathematical analysis | 220 | 3.9K | 66 | 54 |
| 197 | Emergency Medicine | 344 | 3.9K | 11 | 55 |
| 198 | Sociology | 119 | 3.8K | 278 | 266 |
| 199 | soil microbiology | 63 | 3.8K | 165 | 185 |
| 200 | nanoscience | 110 | 3.8K | 349 | 479 |
| 201 | Medical Oncology | 110 | 3.8K | 150 | 205 |
| 202 | Oncogenes | 64 | 3.8K | 143 | 202 |
| 203 | Recombinant DNA | 59 | 3.8K | 120 | 53 |
| 204 | gene mapping | 73 | 3.7K | 200 | 238 |
| 205 | Health | 105 | 3.7K | 170 | 155 |
| 206 | Molecular cloning | 53 | 3.6K | 123 | 52 |
| 207 | Genetic recombination | 51 | 3.6K | 122 | 50 |
| 208 | risk factors | 140 | 3.6K | 6 | 16 |
| 209 | cytokines | 63 | 3.6K | 77 | 38 |
| 210 | Emergency Medical Services | 326 | 3.6K | 1 | 3 |
| 211 | Urology | 93 | 3.6K | 197 | 194 |
| 212 | Environmental Policy | 71 | 3.6K | 402 | 415 |
| 213 | Solid State Chemistry | 115 | 3.5K | 206 | 145 |
| 214 | Food Microbiology | 95 | 3.5K | 57 | 90 |
| 215 | Muscles | 77 | 3.5K | 47 | 53 |
| 216 | Climatology | 66 | 3.5K | 266 | 226 |
| 217 | Plant diseases | 100 | 3.5K | 197 | 151 |
| 218 | Inflammation | 72 | 3.5K | 43 | 39 |
| 219 | arthritis | 78 | 3.5K | 143 | 184 |
| 220 | Nuclear Medicine | 145 | 3.4K | 36 | 76 |
| 221 | polymerization | 157 | 3.4K | 466 | 586 |
| 222 | Child | 131 | 3.4K | 171 | 192 |
| 223 | Pharmaceutical Technology | 124 | 3.4K | 28 | 71 |
| 224 | Oxidation-reduction | 48 | 3.4K | 51 | 60 |
| 225 | Animal breeding | 131 | 3.3K | 19 | 30 |
| 226 | Medical Laboratory Science | 83 | 3.3K | 192 | 251 |
| 227 | drug development | 45 | 3.3K | 98 | 129 |
| 228 | vascular diseases | 51 | 3.3K | 69 | 61 |
| 228 | Parasites | 73 | 3.3K | 109 | 77 |
| 230 | Artificial Intelligence | 162 | 3.3K | 278 | 490 |
| 231 | Molecular Imaging | 112 | 3.3K | 21 | 64 |
| 232 | Electronics | 80 | 3.2K | 647 | 395 |
| 232 | Physical Chemistry | 105 | 3.2K | 213 | 296 |
| 234 | livestock | 266 | 3.2K | 4 | 6 |
| 235 | Medical innovations | 33 | 3.2K | 131 | 144 |
| 236 | Medical Physics | 67 | 3.2K | 282 | 211 |
| 237 | Animal genetics | 97 | 3.2K | 43 | 37 |
| 238 | Neurons | 22 | 3.2K | 183 | 235 |
| 239 | Bioinorganic chemistry | 91 | 3.1K | 75 | 45 |
| 240 | Zoology | 89 | 3.1K | 307 | 220 |
| 241 | Disease | 8 | 3.1K | 117 | 134 |
| 242 | Chromosome mapping | 66 | 3.1K | 186 | 203 |
| 243 | Sports | 115 | 3.0K | 169 | 199 |
| 244 | Environmental Management | 64 | 3.0K | 352 | 363 |
| 244 | diseases | 6 | 3.0K | 165 | 131 |
| 246 | gene therapy | 52 | 3.0K | 110 | 106 |
| 247 | Paleoclimatology | 63 | 3.0K | 112 | 90 |
| 247 | Paleoecology | 61 | 3.0K | 96 | 65 |
| 249 | rare diseases | 76 | 3.0K | 10 | 13 |
| 250 | Neuromuscular diseases | 66 | 3.0K | 46 | 42 |
| 251 | cell interaction | 71 | 3.0K | 40 | 38 |
| 252 | Membranes | 112 | 3.0K | 128 | 250 |
| 253 | Histology | 93 | 3.0K | 155 | 219 |
| 254 | United States | 89 | 2.9K | 728 | 631 |
| 255 | Transplantation | 63 | 2.9K | 165 | 175 |
| 256 | Paleogeography | 57 | 2.9K | 73 | 58 |
| 257 | Growth | 38 | 2.9K | 260 | 264 |
| 258 | Water pollution | 54 | 2.9K | 487 | 441 |
| 259 | Diagnostic microbiology | 47 | 2.9K | 191 | 247 |
| 260 | environmental protection | 63 | 2.9K | 477 | 424 |
| 261 | Rheumatology | 60 | 2.9K | 138 | 156 |
| 262 | pain | 52 | 2.9K | 186 | 196 |
| 263 | Alzheimer's disease | 112 | 2.8K | 171 | 137 |
| 264 | Microscopy | 86 | 2.8K | 107 | 81 |
| 265 | Clinical Pharmacology | 141 | 2.8K | 45 | 78 |
| 266 | enzymes | 92 | 2.8K | 74 | 115 |
| 267 | Geriatric Oncology | 75 | 2.8K | 12 | 15 |
| 267 | genome | 54 | 2.8K | 211 | 354 |
| 269 | Engineering | 92 | 2.8K | 544 | 371 |
| 270 | Electrophoresis | 87 | 2.7K | 81 | 85 |
| 271 | Quality of life | 51 | 2.7K | 134 | 112 |
| 272 | Social Sciences | 85 | 2.7K | 439 | 266 |
| 273 | Cognition | 61 | 2.7K | 282 | 270 |
| 274 | Schizophrenia | 91 | 2.7K | 99 | 146 |
| 275 | Green Chemistry | 62 | 2.6K | 230 | 282 |
| 276 | Computational Biology | 115 | 2.6K | 219 | 438 |
| 277 | Educational Psychology | 100 | 2.6K | 116 | 165 |
| 277 | drug evaluation | 110 | 2.6K | 15 | 28 |
| 279 | Steroids | 95 | 2.6K | 25 | 42 |
| 280 | Earth Sciences | 83 | 2.6K | 478 | 509 |
| 281 | Jurisprudence | 120 | 2.5K | 21 | 19 |
| 282 | Screening | 101 | 2.5K | 2 | 2 |
| 283 | Cell communication | 53 | 2.5K | 29 | 13 |
| 284 | rehabilitation | 76 | 2.5K | 237 | 260 |
| 285 | Minerals | 94 | 2.5K | 5 | 14 |
| 286 | biological evolution | 91 | 2.5K | 245 | 477 |
| 287 | Petrology | 83 | 2.5K | 103 | 176 |
| 287 | vitamin C | 22 | 2.5K | 26 | 6 |
| 287 | vitamin E | 22 | 2.5K | 26 | 6 |
| 290 | Water | 38 | 2.5K | 596 | 530 |
| 291 | Antibacterial agents | 73 | 2.5K | 8 | 19 |
| 292 | Adolescent | 82 | 2.5K | 203 | 209 |
| 293 | Marine Biology | 98 | 2.4K | 334 | 427 |
| 293 | Crystallography | 113 | 2.4K | 88 | 103 |
| 295 | Pharmacognosy | 42 | 2.4K | 291 | 200 |
| 295 | Mineralogy | 115 | 2.4K | 104 | 208 |
| 297 | Hemostasis | 84 | 2.4K | 13 | 16 |
| 298 | Pharmacy | 100 | 2.4K | 168 | 216 |
| 299 | Organometallic chemistry | 74 | 2.4K | 138 | 46 |
| 300 | Functional Analysis | 104 | 2.4K | 34 | 36 |
| 301 | Dementia | 95 | 2.4K | 183 | 134 |
| 302 | Bioinformatics | 94 | 2.4K | 187 | 370 |
| 303 | Physical organic chemistry | 98 | 2.3K | 37 | 59 |
| 304 | Light | 17 | 2.3K | 321 | 237 |
| 305 | Photonics | 18 | 2.3K | 853 | 389 |
| 306 | Physical fitness | 158 | 2.3K | 9 | 90 |
| 307 | cell adhesion molecules | 46 | 2.3K | 8 | 4 |
| 308 | Proteomics | 70 | 2.3K | 46 | 100 |
| 309 | Mycology | 68 | 2.2K | 185 | 209 |
| 310 | Ophthalmology | 101 | 2.2K | 173 | 264 |
| 311 | Neuropsychiatry | 79 | 2.2K | 41 | 68 |
| 312 | viruses | 42 | 2.2K | 341 | 363 |
| 313 | proteins | 97 | 2.2K | 168 | 303 |
| 314 | Astrocytes | 30 | 2.2K | 42 | 51 |
| 315 | Soil Science | 56 | 2.2K | 267 | 261 |
| 316 | Statistics | 104 | 2.2K | 333 | 378 |
| 317 | disease vectors | 48 | 2.2K | 87 | 64 |
| 318 | Optical materials | 61 | 2.2K | 498 | 548 |
| 319 | Molecules | 98 | 2.2K | 96 | 150 |
| 320 | Agriculture | 44 | 2.1K | 391 | 261 |
| 321 | Exercise | 86 | 2.1K | 63 | 79 |
| 322 | embryonic development | 36 | 2.1K | 25 | 15 |
| 323 | Radiation | 99 | 2.1K | 136 | 174 |
| 324 | Plant Ecology | 75 | 2.1K | 189 | 343 |
| 325 | personality | 9 | 2.1K | 771 | 307 |
| 326 | Mass Spectrometry | 59 | 2.1K | 114 | 112 |
| 327 | Nonlinear functional analysis | 89 | 2.1K | 20 | 17 |
| 328 | Oxidative stress | 44 | 2.1K | 79 | 110 |
| 329 | Molecular evolution | 55 | 2.0K | 185 | 277 |
| 330 | Quality Control | 72 | 2.0K | 75 | 107 |
| 331 | Biopharmaceutics | 59 | 2.0K | 65 | 88 |
| 332 | Clinical Biochemistry | 72 | 1.9K | 70 | 105 |
| 333 | eye | 5 | 1.9K | 129 | 44 |
| 334 | Image Processing | 70 | 1.9K | 295 | 413 |
| 335 | Retina | 4 | 1.9K | 129 | 46 |
| 336 | Drug delivery systems | 51 | 1.9K | 138 | 210 |
| 337 | Environmental Law | 25 | 1.9K | 231 | 211 |
| 338 | Environmental pollutants | 67 | 1.9K | 204 | 285 |
| 339 | Child Development | 74 | 1.9K | 264 | 343 |
| 340 | Molecular ecology | 38 | 1.9K | 209 | 280 |
| 341 | Carcinogenesis | 67 | 1.9K | 48 | 118 |
| 342 | Analytical Biochemistry | 57 | 1.9K | 146 | 178 |
| 343 | Paleontology | 77 | 1.9K | 146 | 143 |
| 344 | Animal ecology | 76 | 1.9K | 112 | 194 |
| 345 | Food additives | 56 | 1.9K | 86 | 144 |
| 346 | Information Theory | 85 | 1.9K | 123 | 210 |
| 347 | Food preferences | 36 | 1.8K | 24 | 25 |
| 348 | Mobile Computing | 29 | 1.8K | 230 | 98 |
| 349 | Virulence | 22 | 1.8K | 344 | 337 |
| 350 | Geodynamics | 61 | 1.8K | 88 | 140 |
| 351 | food handling | 52 | 1.8K | 45 | 46 |
| 352 | Amyotrophic Lateral Sclerosis | 35 | 1.8K | 18 | 14 |
| 353 | Biological Systems | 69 | 1.8K | 9 | 15 |
| 354 | Tropical Medicine | 108 | 1.8K | 82 | 137 |
| 355 | Population Genetics | 36 | 1.8K | 258 | 275 |
| 356 | Radiology | 75 | 1.8K | 128 | 102 |
| 357 | Photochemistry | 59 | 1.8K | 143 | 170 |
| 358 | Engineering Geology | 35 | 1.8K | 299 | 218 |
| 359 | Genetic therapy | 43 | 1.8K | 163 | 180 |
| 360 | Orthopedics | 78 | 1.7K | 178 | 240 |
| 361 | Geomorphology | 47 | 1.7K | 199 | 239 |
| 361 | Developmental Immunology | 33 | 1.7K | 89 | 43 |
| 363 | Ultrasonics | 33 | 1.7K | 195 | 127 |
| 364 | disease outbreaks | 78 | 1.7K | 20 | 57 |
| 364 | Epidemics | 78 | 1.7K | 18 | 56 |
| 366 | Health Policy | 57 | 1.7K | 347 | 332 |
| 367 | Cognitive neuroscience | 21 | 1.7K | 324 | 281 |
| 368 | Database Management | 45 | 1.7K | 118 | 120 |
| 369 | Frontotemporal lobar degeneration | 31 | 1.7K | 15 | 10 |
| 370 | biological factors | 74 | 1.7K | 114 | 265 |
| 371 | Wireless Communication Systems | 30 | 1.7K | 709 | 409 |
| 372 | biopolymers | 58 | 1.7K | 155 | 186 |
| 373 | Plant breeding | 33 | 1.6K | 126 | 60 |
| 374 | prostaglandins | 70 | 1.6K | 7 | 18 |
| 374 | Entomology | 92 | 1.6K | 266 | 313 |
| 376 | natural products | 71 | 1.6K | 128 | 194 |
| 377 | mutagens | 48 | 1.6K | 65 | 131 |
| 378 | Genetic regulation | 31 | 1.6K | 211 | 285 |
| 379 | Gene expression regulation | 37 | 1.6K | 138 | 209 |
| 380 | Adolescent Medicine | 15 | 1.6K | 176 | 135 |
| 381 | Respiratory system | 37 | 1.6K | 56 | 39 |
| 382 | Animal Nutrition | 59 | 1.6K | 56 | 52 |
| 383 | catalytic activity | 46 | 1.6K | 39 | 62 |
| 384 | epilepsy | 48 | 1.6K | 97 | 101 |
| 385 | Energy Policy | 29 | 1.6K | 700 | 640 |
| 386 | Operations Research | 87 | 1.6K | 224 | 400 |
| 386 | Reproductive health | 42 | 1.6K | 63 | 48 |
| 388 | Host-parasite interactions | 21 | 1.6K | 379 | 414 |
| 389 | Public Policy | 50 | 1.5K | 248 | 268 |
| 390 | Yeast | 33 | 1.5K | 31 | 31 |
| 391 | Semantics | 5 | 1.5K | 143 | 3 |
| 392 | Soft Condensed Matter | 62 | 1.5K | 131 | 179 |
| 393 | Bioenergetics | 44 | 1.5K | 86 | 133 |
| 394 | Chromatographic analysis | 55 | 1.5K | 225 | 168 |
| 395 | calcification | 36 | 1.5K | 44 | 57 |
| 396 | blood transfusion | 38 | 1.5K | 121 | 76 |
| 396 | Photobiology | 44 | 1.5K | 106 | 106 |
| 398 | Bioremediation | 33 | 1.5K | 29 | 26 |
| 399 | environmental exposure | 50 | 1.5K | 184 | 253 |
| 400 | Hemodynamics | 20 | 1.5K | 183 | 146 |
| 400 | Chromosomes | 52 | 1.5K | 90 | 155 |
| 402 | Biodiversity | 57 | 1.4K | 323 | 496 |
| 403 | Chronobiology | 35 | 1.4K | 32 | 27 |
| 403 | Computer-Aided Design | 29 | 1.4K | 206 | 129 |
| 403 | biological clocks | 35 | 1.4K | 32 | 27 |
| 403 | circadian rhythm | 35 | 1.4K | 32 | 27 |
| 407 | biological rhythms | 34 | 1.4K | 32 | 27 |
| 408 | Circadian rhythms | 33 | 1.4K | 21 | 24 |
| 409 | Molecular Pharmacology | 34 | 1.4K | 90 | 126 |
| 410 | data protection | 20 | 1.4K | 44 | 15 |
| 411 | Electrophysiology | 53 | 1.4K | 111 | 93 |
| 412 | Medicinal plants | 21 | 1.4K | 364 | 223 |
| 413 | biochemical markers | 38 | 1.4K | 46 | 21 |
| 413 | Europa | 48 | 1.4K | 25 | 31 |
| 415 | Sonochemistry | 28 | 1.4K | 47 | 58 |
| 416 | Microorganisms | 18 | 1.4K | 277 | 249 |
| 417 | Agricultural Engineering | 39 | 1.4K | 43 | 35 |
| 418 | economic policy | 61 | 1.4K | 312 | 260 |
| 419 | Chromatography | 47 | 1.4K | 199 | 148 |
| 420 | glycoproteins | 46 | 1.4K | 23 | 50 |
| 420 | Glycoconjugates | 46 | 1.4K | 23 | 50 |
| 420 | glycolipids | 46 | 1.4K | 23 | 50 |
| 423 | Wildlife conservation | 32 | 1.4K | 250 | 282 |
| 424 | Digestive system diseases | 61 | 1.4K | 77 | 106 |
| 425 | Pediatric Dermatology | 54 | 1.4K | 28 | 19 |
| 426 | Biodegradation | 38 | 1.4K | 24 | 37 |
| 427 | energy resources | 23 | 1.4K | 327 | 385 |
| 428 | Computer Science | 79 | 1.4K | 119 | 137 |
| 428 | Dentistry | 78 | 1.4K | 33 | 43 |
| 430 | Sexual health | 57 | 1.4K | 57 | 84 |
| 430 | mycoses | 25 | 1.4K | 127 | 230 |
| 432 | plant communities | 37 | 1.4K | 205 | 305 |
| 433 | pollutants | 48 | 1.4K | 229 | 370 |
| 434 | Organometallic compounds | 40 | 1.3K | 209 | 194 |
| 435 | Economic History | 67 | 1.3K | 561 | 492 |
| 436 | Long-Term Care | 34 | 1.3K | 64 | 105 |
| 436 | Long-term care facilities | 34 | 1.3K | 63 | 105 |
| 436 | Cognitive Science | 21 | 1.3K | 415 | 325 |
| 439 | Enzyme | 19 | 1.3K | 73 | 35 |
| 440 | Environmental Geology | 37 | 1.3K | 226 | 228 |
| 441 | Philosophy | 136 | 1.3K | 145 | 137 |
| 442 | miniaturization | 46 | 1.3K | 357 | 598 |
| 443 | occupational diseases | 33 | 1.3K | 123 | 116 |
| 444 | Gerontology | 56 | 1.3K | 322 | 313 |
| 445 | Nanostructures | 21 | 1.3K | 732 | 518 |
| 445 | carcinogens | 30 | 1.3K | 163 | 175 |
| 447 | Geometry | 107 | 1.3K | 36 | 55 |
| 448 | Asthma | 27 | 1.3K | 92 | 40 |
| 449 | Cybernetics | 35 | 1.3K | 339 | 359 |
| 450 | protein | 50 | 1.3K | 159 | 263 |
| 451 | Plant Genetics | 26 | 1.3K | 135 | 186 |
| 451 | Orthopedic Surgery | 49 | 1.3K | 72 | 102 |
| 453 | lasers | 23 | 1.3K | 705 | 321 |
| 454 | Lipid | 27 | 1.3K | 25 | 45 |
| 455 | Endocrine glands | 9 | 1.3K | 89 | 61 |
| 456 | industrial relations | 60 | 1.3K | 68 | 68 |
| 457 | Antiviral agents | 56 | 1.2K | 6 | 11 |
| 458 | Bone diseases | 13 | 1.2K | 118 | 109 |
| 459 | food contamination | 62 | 1.2K | 39 | 55 |
| 460 | Psycholinguistics | 24 | 1.2K | 253 | 217 |
| 460 | Soil biology | 25 | 1.2K | 246 | 285 |
| 462 | Radiobiology | 42 | 1.2K | 300 | 342 |
| 462 | management | 43 | 1.2K | 815 | 964 |
| 464 | Neurolinguistics | 22 | 1.2K | 75 | 73 |
| 465 | Energy Conversion | 23 | 1.2K | 409 | 502 |
| 466 | Sedimentary rocks | 29 | 1.2K | 57 | 63 |
| 466 | Hazardous waste | 21 | 1.2K | 154 | 159 |
| 468 | Energy metabolism | 36 | 1.2K | 92 | 149 |
| 469 | dietary supplements | 32 | 1.2K | 54 | 58 |
| 470 | Transgenic plants | 16 | 1.2K | 109 | 55 |
| 471 | Nutrition physiology | 25 | 1.2K | 120 | 105 |
| 472 | Neonatology | 42 | 1.2K | 30 | 50 |
| 473 | Lipid metabolism | 26 | 1.2K | 28 | 47 |
| 474 | Andrology | 51 | 1.2K | 35 | 55 |
| 475 | Communication | 11 | 1.2K | 1056 | 476 |
| 476 | industrial waste | 25 | 1.2K | 91 | 156 |
| 477 | Neuroimmunology | 36 | 1.1K | 68 | 157 |
| 478 | radioactive waste | 20 | 1.1K | 115 | 158 |
| 479 | Hydrology | 41 | 1.1K | 575 | 618 |
| 479 | cell membrane | 37 | 1.1K | 82 | 145 |
| 481 | Reproductive toxicology | 37 | 1.1K | 19 | 58 |
| 482 | Speech Disorders | 22 | 1.1K | 314 | 215 |
| 483 | Forest genetics | 20 | 1.1K | 48 | 13 |
| 484 | Signal Processing | 41 | 1.1K | 664 | 732 |
| 485 | Atomic spectroscopy | 39 | 1.1K | 169 | 162 |
| 486 | mutation | 27 | 1.1K | 93 | 108 |
| 486 | Magnetic Materials | 38 | 1.1K | 311 | 313 |
| 488 | Planets | 36 | 1.1K | 490 | 602 |
| 489 | Neuropharmacology | 41 | 1.1K | 30 | 58 |
| 490 | computer networks | 47 | 1.1K | 468 | 531 |
| 491 | Political Science | 98 | 1.1K | 199 | 324 |
| 491 | Biometrics | 29 | 1.1K | 274 | 223 |
| 493 | Horticulture | 21 | 1.1K | 195 | 48 |
| 494 | Sleep Disorders | 60 | 1.1K | 222 | 373 |
| 494 | Sleep | 60 | 1.1K | 224 | 373 |
| 496 | Aerosols | 9 | 1.1K | 279 | 96 |
| 497 | Genetic Toxicology | 17 | 1.1K | 79 | 65 |
| 498 | Allergies | 8 | 1.1K | 31 | 15 |
| 499 | Gastrointestinal diseases | 38 | 1.1K | 39 | 28 |
| 500 | ecosystem | 30 | 1.1K | 291 | 406 |
| 501 | Pharmacogenetics | 34 | 1.1K | 138 | 217 |
| 501 | System analysis | 51 | 1.1K | 391 | 467 |
| 503 | Biogeography | 24 | 1.1K | 251 | 340 |
| 504 | Transportation | 13 | 1.0K | 750 | 383 |
| 505 | Veterinary Pathology | 55 | 1.0K | 11 | 10 |
| 506 | preventive medicine | 41 | 1.0K | 201 | 299 |
| 507 | Geography | 39 | 1.0K | 536 | 530 |
| 507 | Human Resources | 9 | 1.0K | 177 | 60 |
| 509 | Kidney diseases | 27 | 1.0K | 180 | 171 |
| 510 | Pharmacokinetics | 41 | 1.0K | 74 | 139 |
| 511 | Quantum Optics | 28 | 1.0K | 166 | 108 |
| 512 | Neurogenetics | 25 | 1.0K | 17 | 13 |
| 512 | Energy Storage | 21 | 1.0K | 387 | 299 |
| 512 | alcoholism | 36 | 1.0K | 331 | 382 |
| 515 | Molecular Spectroscopy | 25 | 1.0K | 450 | 245 |
| 515 | Speech | 16 | 1.0K | 317 | 201 |
| 517 | Biomechanics | 34 | 1.0K | 289 | 311 |
| 518 | X-rays | 28 | 1.0K | 67 | 28 |
| 519 | aerosol | 6 | 1.0K | 245 | 47 |
| 520 | Power Electronics | 6 | 998 | 809 | 341 |
| 521 | Learning | 15 | 995 | 515 | 357 |
| 522 | Microelectronics | 28 | 991 | 578 | 622 |
| 522 | sanitation | 17 | 991 | 631 | 693 |
| 524 | cloning | 15 | 990 | 191 | 229 |
| 525 | Psychoneuroimmunology | 31 | 987 | 67 | 154 |
| 526 | Australia | 49 | 981 | 241 | 251 |
| 527 | Metallurgy | 29 | 980 | 717 | 623 |
| 528 | Nutrigenomics | 6 | 978 | 40 | 7 |
| 529 | language | 14 | 977 | 303 | 182 |
| 530 | DNA methylation | 19 | 975 | 27 | 28 |
| 531 | Cellular senescence | 23 | 973 | 104 | 127 |
| 532 | Fluid Mechanics | 16 | 969 | 743 | 383 |
| 533 | Bipolar Disorder | 19 | 964 | 94 | 87 |
| 534 | Raman spectroscopy | 29 | 959 | 86 | 74 |
| 535 | Sedimentology | 26 | 957 | 79 | 110 |
| 535 | Environmental Chemistry | 24 | 957 | 583 | 754 |
| 537 | Health Services Research | 32 | 956 | 342 | 334 |
| 538 | Pituitary gland | 24 | 942 | 18 | 17 |
| 539 | Bacterial infections | 30 | 940 | 122 | 313 |
| 540 | Computer Graphics | 38 | 937 | 355 | 403 |
| 540 | Cytokine | 9 | 937 | 144 | 77 |
| 542 | Growth factors | 9 | 935 | 67 | 69 |
| 543 | Calculus of Variations | 33 | 934 | 40 | 18 |
| 543 | Mechanics | 47 | 934 | 150 | 180 |
| 545 | pain management | 18 | 929 | 151 | 77 |
| 546 | Entropy | 36 | 924 | 83 | 37 |
| 546 | Chronic diseases | 20 | 924 | 168 | 230 |
| 548 | amino acids | 41 | 922 | 16 | 57 |
| 549 | Thorax | 11 | 917 | 179 | 102 |
| 550 | Psychosomatic Medicine | 13 | 916 | 288 | 207 |
| 551 | Genetic disorders | 38 | 914 | 73 | 102 |
| 551 | scientific societies | 38 | 914 | 92 | 128 |
| 553 | Sustainable Engineering | 34 | 912 | 314 | 493 |
| 554 | older people | 38 | 909 | 335 | 237 |
| 555 | Archaeology | 43 | 906 | 267 | 253 |
| 556 | Composite Materials | 22 | 904 | 991 | 974 |
| 557 | bioclimatology | 29 | 898 | 92 | 113 |
| 558 | Social Change | 14 | 887 | 302 | 248 |
| 559 | Quantum electronics | 9 | 884 | 985 | 328 |
| 559 | locomotion | 26 | 884 | 90 | 110 |
| 559 | posture | 26 | 884 | 90 | 110 |
| 559 | animal diseases | 42 | 884 | 41 | 59 |
| 559 | gait | 26 | 884 | 90 | 110 |
| 559 | walking | 26 | 884 | 90 | 110 |
| 565 | Histochemistry | 33 | 879 | 160 | 175 |
| 566 | Immunogenetics | 35 | 876 | 88 | 110 |
| 566 | Oligosaccharides | 39 | 876 | 8 | 18 |
| 568 | Veterinary Immunology | 40 | 873 | 44 | 58 |
| 568 | hydrocolloids | 17 | 873 | 176 | 221 |
| 570 | Developmental Genetics | 11 | 872 | 244 | 283 |
| 571 | Cosmology | 67 | 871 | 154 | 243 |
| 572 | drug resistance | 26 | 868 | 59 | 88 |
| 573 | Developing countries | 31 | 863 | 474 | 505 |
| 574 | Music | 41 | 860 | 87 | 81 |
| 575 | Synaptic Transmission | 29 | 857 | 56 | 77 |
| 576 | voice | 33 | 856 | 39 | 40 |
| 577 | Morphology | 29 | 854 | 133 | 115 |
| 578 | Synchrotron Radiation | 31 | 846 | 63 | 49 |
| 579 | Cell division | 33 | 843 | 36 | 61 |
| 580 | Nuclear Engineering | 93 | 841 | 211 | 315 |
| 581 | Data Mining | 31 | 837 | 232 | 455 |
| 581 | Catalysts | 33 | 837 | 58 | 93 |
| 583 | Ergonomics | 19 | 831 | 329 | 186 |
| 584 | Statistical Mechanics | 19 | 830 | 311 | 108 |
| 584 | energy conservation | 14 | 830 | 810 | 766 |
| 584 | Eating Disorders | 38 | 830 | 133 | 213 |
| 584 | Feeding and Eating Disorders | 38 | 830 | 125 | 198 |
| 588 | Social policy | 39 | 827 | 127 | 132 |
| 589 | Renewable Energy Sources | 18 | 824 | 972 | 1279 |
| 590 | Differential Equations | 44 | 822 | 110 | 138 |
| 591 | Soil Mechanics | 15 | 817 | 485 | 358 |
| 591 | Histocompatibility Testing | 15 | 817 | 112 | 50 |
| 593 | Nephrology | 20 | 814 | 159 | 167 |
| 594 | Diagnosis | 21 | 810 | 94 | 35 |
| 595 | Glaciology | 19 | 805 | 43 | 32 |
| 595 | Antigens | 39 | 805 | 112 | 205 |
| 595 | glaciers | 19 | 805 | 37 | 32 |
| 598 | world | 16 | 799 | 206 | 237 |
| 599 | Business Ethics | 10 | 794 | 445 | 397 |
| 600 | Physical Therapy | 32 | 792 | 274 | 373 |
| 601 | Logic | 51 | 789 | 19 | 26 |
| 602 | disease susceptibility | 16 | 788 | 46 | 12 |
| 602 | symptoms | 16 | 788 | 46 | 12 |
| 604 | natural disasters | 13 | 785 | 467 | 291 |
| 605 | Social behavior | 35 | 782 | 214 | 354 |
| 606 | Evolutionary Genetics | 29 | 780 | 51 | 73 |
| 606 | Molecular Epidemiology | 29 | 780 | 51 | 73 |
| 606 | histological techniques | 22 | 780 | 118 | 196 |
| 609 | Computer Vision | 19 | 779 | 338 | 390 |
| 609 | Personality Disorders | 4 | 779 | 214 | 49 |
| 611 | Medical Technology | 39 | 778 | 204 | 371 |
| 611 | synthesis | 53 | 778 | 55 | 53 |
| 613 | Telecommunication | 28 | 776 | 844 | 818 |
| 614 | Health Education | 35 | 773 | 406 | 419 |
| 614 | Hematopoietic stem cell transplantation | 20 | 773 | 50 | 64 |
| 616 | Molecular Microbiology | 13 | 769 | 379 | 420 |
| 616 | Human biology | 20 | 769 | 139 | 81 |
| 618 | Agronomy | 11 | 756 | 213 | 180 |
| 618 | fuel cells | 19 | 756 | 476 | 549 |
| 620 | Soil ecology | 20 | 755 | 164 | 208 |
| 621 | Superconductors | 82 | 751 | 107 | 175 |
| 622 | Magnetohydrodynamics | 11 | 747 | 138 | 77 |
| 623 | Information Systems | 30 | 746 | 214 | 294 |
| 623 | Oral Medicine | 58 | 746 | 21 | 35 |
| 623 | Conservation Biology | 24 | 746 | 278 | 378 |
| 626 | Neuroendocrinology | 16 | 744 | 7 | 55 |
| 627 | mammals | 20 | 742 | 279 | 202 |
| 628 | Regional Planning | 37 | 740 | 317 | 407 |
| 628 | Carbohydrates | 14 | 740 | 114 | 106 |
| 630 | Occupational Health | 34 | 738 | 164 | 190 |
| 630 | Animal Physiology | 18 | 738 | 44 | 33 |
| 630 | Natural selection | 18 | 738 | 44 | 33 |
| 630 | genetic selection | 18 | 738 | 44 | 33 |
| 634 | Agricultural Ecology | 19 | 737 | 325 | 410 |
| 634 | sexual behavior | 18 | 737 | 158 | 141 |
| 636 | Atherosclerosis | 27 | 736 | 9 | 12 |
| 637 | Paleoceanography | 9 | 721 | 93 | 87 |
| 638 | Rock Mechanics | 18 | 717 | 330 | 294 |
| 639 | Energy Harvesting | 9 | 716 | 233 | 248 |
| 640 | Immunochemistry | 18 | 715 | 247 | 183 |
| 640 | Autism | 14 | 715 | 250 | 217 |
| 642 | Zeolites | 30 | 714 | 116 | 242 |
| 643 | Food Policy | 14 | 713 | 80 | 71 |
| 643 | agricultural policy | 14 | 713 | 51 | 54 |
| 645 | Nanoparticles | 42 | 710 | 309 | 655 |
| 646 | race relations | 24 | 700 | 108 | 87 |
| 647 | Systems Biology | 39 | 696 | 234 | 404 |
| 648 | Neurotoxicology | 14 | 694 | 127 | 102 |
| 649 | Fungi | 21 | 686 | 314 | 412 |
| 650 | Algebra | 80 | 685 | 147 | 178 |
| 650 | soil conservation | 12 | 685 | 241 | 99 |
| 652 | Proteome | 28 | 684 | 242 | 467 |
| 653 | Enzyme inhibitors | 22 | 682 | 36 | 47 |
| 654 | DNA repair | 14 | 665 | 68 | 61 |
| 655 | Land use | 13 | 664 | 397 | 265 |
| 656 | DNA polymerases | 6 | 661 | 269 | 315 |
| 657 | Laser Spectroscopy | 17 | 660 | 268 | 157 |
| 658 | Serology | 15 | 656 | 98 | 69 |
| 658 | Magnetic Resonance Spectroscopy | 39 | 656 | 254 | 322 |
| 660 | Neuroplasticity | 16 | 655 | 52 | 25 |
| 661 | transgenic organisms | 5 | 652 | 163 | 34 |
| 661 | Ceramic materials | 16 | 652 | 469 | 326 |
| 663 | Developmental Neurobiology | 25 | 651 | 54 | 71 |
| 664 | Bones | 18 | 650 | 231 | 327 |
| 665 | cardiac catheterization | 42 | 648 | 107 | 157 |
| 666 | brain mapping | 17 | 645 | 214 | 301 |
| 667 | body temperature | 12 | 642 | 108 | 35 |
| 668 | Neural circuitry | 32 | 641 | 401 | 676 |
| 669 | Research Design | 16 | 640 | 379 | 368 |
| 670 | Informatics | 33 | 638 | 82 | 218 |
| 671 | neuronal plasticity | 14 | 636 | 35 | 21 |
| 672 | toxicity testing | 22 | 635 | 100 | 124 |
| 673 | Birds | 39 | 633 | 249 | 281 |
| 674 | Economic Development | 19 | 627 | 516 | 610 |
| 675 | actuators | 28 | 626 | 625 | 873 |
| 675 | transducers | 28 | 626 | 625 | 873 |
| 677 | Plant tissue culture | 21 | 625 | 145 | 163 |
| 677 | packaging | 22 | 625 | 8 | 7 |
| 679 | Carbon | 29 | 618 | 260 | 632 |
| 680 | Plant cell culture | 17 | 617 | 152 | 164 |
| 681 | Heterocyclic compounds | 49 | 600 | 90 | 92 |
| 682 | Bacteria | 10 | 599 | 119 | 140 |
| 683 | Atmospheric Physics | 18 | 598 | 627 | 671 |
| 684 | Aquaculture | 17 | 597 | 549 | 460 |
| 685 | Quantum Chemistry | 21 | 592 | 212 | 135 |
| 686 | pharmaceutical industry | 26 | 589 | 51 | 60 |
| 687 | Engineering Mathematics | 34 | 583 | 597 | 519 |
| 688 | Plant genetic engineering | 17 | 582 | 306 | 379 |
| 689 | Information Retrieval | 9 | 577 | 199 | 143 |
| 689 | Neurovirology | 25 | 577 | 29 | 54 |
| 691 | Immunopharmacology | 15 | 575 | 311 | 257 |
| 692 | atmospheric models | 8 | 569 | 402 | 322 |
| 692 | baking | 21 | 569 | 39 | 47 |
| 694 | probabilities | 42 | 568 | 273 | 257 |
| 695 | Information Science | 36 | 565 | 493 | 884 |
| 696 | medical education | 25 | 559 | 484 | 480 |
| 697 | Genetically modified organisms | 3 | 557 | 15 | 2 |
| 697 | safety | 3 | 557 | 58 | 3 |
| 699 | Social Psychology | 22 | 556 | 682 | 833 |
| 700 | Mental Health | 26 | 555 | 433 | 448 |
| 700 | Ornithology | 30 | 555 | 234 | 239 |
| 702 | Cerebellum | 12 | 552 | 71 | 84 |
| 702 | Cerebellar ataxia | 12 | 552 | 71 | 84 |
| 704 | soil management | 10 | 550 | 224 | 181 |
| 705 | Antibodies | 23 | 547 | 124 | 214 |
| 706 | Chemical processes | 11 | 545 | 235 | 115 |
| 707 | Maps | 34 | 541 | 5 | 9 |
| 708 | Insects | 30 | 539 | 328 | 436 |
| 709 | Primary health care | 29 | 534 | 385 | 475 |
| 710 | Sarcopenia | 11 | 529 | 99 | 147 |
| 711 | Automation | 19 | 528 | 896 | 1013 |
| 712 | Systems Engineering | 29 | 527 | 552 | 690 |
| 713 | Functional equations | 19 | 522 | 13 | 4 |
| 714 | data collection | 16 | 520 | 251 | 434 |
| 715 | Forest Ecology | 15 | 517 | 400 | 451 |
| 716 | Drug delivery devices | 10 | 512 | 36 | 57 |
| 717 | disabilities | 18 | 510 | 191 | 173 |
| 718 | Political Parties | 21 | 507 | 19 | 31 |
| 719 | income distribution | 6 | 505 | 48 | 43 |
| 719 | poverty | 6 | 505 | 186 | 53 |
| 721 | Fractals | 19 | 504 | 311 | 298 |
| 722 | Oligosaccharide | 7 | 503 | 156 | 118 |
| 723 | complementary therapies | 19 | 502 | 610 | 552 |
| 723 | Decision making | 12 | 502 | 617 | 468 |
| 725 | Human-Computer Interaction | 19 | 501 | 446 | 504 |
| 726 | Meteorites | 16 | 500 | 427 | 557 |
| 727 | Physical Geography | 20 | 499 | 99 | 101 |
| 727 | Travel | 30 | 499 | 110 | 148 |
| 729 | Genetic markers | 14 | 497 | 15 | 9 |
| 730 | Biosensors | 12 | 496 | 565 | 740 |
| 731 | Ecological Engineering | 10 | 494 | 207 | 201 |
| 732 | ethanol | 23 | 492 | 79 | 121 |
| 733 | drug addiction | 10 | 491 | 558 | 498 |
| 734 | Solitons | 16 | 489 | 294 | 257 |
| 734 | Chaos | 16 | 489 | 294 | 257 |
| 736 | Randomized Controlled Trials | 36 | 488 | 169 | 228 |
| 737 | China | 29 | 486 | 799 | 932 |
| 738 | Crystallization | 22 | 485 | 99 | 99 |
| 739 | Soil fertility | 10 | 484 | 123 | 136 |
| 740 | Elderly | 23 | 483 | 364 | 205 |
| 741 | analysis | 18 | 481 | 80 | 130 |
| 742 | Palliative Care | 13 | 479 | 319 | 229 |
| 742 | Water Microbiology | 11 | 479 | 111 | 90 |
| 742 | Fouling | 11 | 479 | 46 | 54 |
| 745 | European Union | 18 | 474 | 21 | 28 |
| 746 | Econometrics | 36 | 473 | 286 | 487 |
| 747 | feeding behavior | 10 | 471 | 318 | 287 |
| 747 | Appetite | 10 | 471 | 253 | 251 |
| 749 | Computational Chemistry | 16 | 470 | 171 | 254 |
| 750 | concrete | 9 | 464 | 541 | 516 |
| 751 | Forest Management | 11 | 462 | 467 | 438 |
| 752 | Radioisotopes | 46 | 460 | 126 | 242 |
| 752 | Africa | 14 | 460 | 605 | 293 |
| 752 | Radiation effects | 10 | 460 | 218 | 210 |
| 755 | Geriatric Pharmacology | 17 | 456 | 36 | 64 |
| 755 | Atmospheric Chemistry | 9 | 456 | 536 | 584 |
| 757 | Marine Pollution | 13 | 455 | 486 | 550 |
| 758 | Cellulose | 6 | 454 | 351 | 194 |
| 759 | Natural Sciences | 72 | 449 | 2 | 8 |
| 759 | Linguistics | 28 | 449 | 407 | 413 |
| 759 | Bioelectronics | 10 | 449 | 521 | 688 |
| 759 | Toxins | 15 | 449 | 212 | 234 |
| 763 | Radiochemistry | 25 | 448 | 254 | 223 |
| 763 | Biomolecules | 16 | 448 | 85 | 192 |
| 765 | Software Engineering | 30 | 446 | 224 | 387 |
| 765 | Alternative Medicine | 18 | 446 | 591 | 601 |
| 767 | Sustainable agriculture | 16 | 445 | 171 | 224 |
| 767 | coal | 9 | 445 | 935 | 834 |
| 769 | nuclear magnetic resonance spectroscopy | 24 | 442 | 161 | 210 |
| 770 | Asia | 31 | 437 | 594 | 678 |
| 771 | preimplantation genetic diagnosis | 31 | 435 | 39 | 104 |
| 771 | embryo transfer | 31 | 435 | 40 | 110 |
| 771 | NMR | 22 | 435 | 66 | 61 |
| 771 | magnetic resonance | 22 | 435 | 66 | 67 |
| 775 | breastfeeding | 15 | 434 | 116 | 102 |
| 775 | peptides | 22 | 434 | 137 | 151 |
| 777 | bees | 15 | 432 | 109 | 125 |
| 778 | Malaria | 14 | 430 | 271 | 277 |
| 779 | Logistics | 2 | 429 | 653 | 194 |
| 780 | Comparative Physiology | 13 | 427 | 313 | 333 |
| 781 | Teratology | 7 | 424 | 144 | 111 |
| 782 | Geriatric Psychiatry | 17 | 422 | 390 | 429 |
| 782 | behavioral medicine | 20 | 422 | 377 | 652 |
| 784 | Nutritional support | 7 | 420 | 72 | 66 |
| 785 | emergency management | 11 | 417 | 289 | 210 |
| 786 | land degradation | 6 | 416 | 248 | 101 |
| 786 | drug toxicity | 13 | 416 | 72 | 83 |
| 786 | degradation | 6 | 416 | 248 | 101 |
| 789 | Information Technology | 27 | 414 | 639 | 973 |
| 789 | Hippocampus | 7 | 414 | 156 | 161 |
| 791 | Nuclear Chemistry | 24 | 413 | 301 | 285 |
| 791 | Algae | 10 | 413 | 396 | 338 |
| 793 | Natural resources | 14 | 411 | 267 | 322 |
| 794 | Public Administration | 26 | 407 | 355 | 417 |
| 794 | Medical Ethics | 22 | 407 | 307 | 265 |
| 794 | Mental Health Services | 11 | 407 | 582 | 432 |
| 797 | Industrial Policy | 17 | 405 | 91 | 160 |
| 797 | Longevity | 11 | 405 | 30 | 35 |
| 799 | Epigenetics | 16 | 403 | 14 | 17 |
| 799 | Epigenomics | 16 | 403 | 14 | 15 |
| 801 | Ethnology | 19 | 400 | 454 | 358 |
| 802 | Trace elements | 3 | 399 | 270 | 77 |
| 803 | International Relations | 19 | 396 | 378 | 298 |
| 803 | Nuclear Fusion | 14 | 396 | 241 | 196 |
| 803 | rejuvenation | 10 | 396 | 23 | 32 |
| 806 | Industrial Engineering | 18 | 395 | 704 | 783 |
| 807 | Viticulture | 18 | 390 | 15 | 29 |
| 808 | Building Materials | 13 | 388 | 826 | 1023 |
| 808 | Women's health | 22 | 388 | 296 | 389 |
| 808 | World Wide Web | 14 | 388 | 64 | 52 |
| 811 | psychotherapy | 10 | 387 | 678 | 595 |
| 812 | venom | 13 | 386 | 225 | 243 |
| 813 | Imaging systems | 14 | 385 | 206 | 99 |
| 814 | counseling | 14 | 383 | 516 | 466 |
| 815 | Labor Economics | 14 | 381 | 120 | 142 |
| 815 | pigments | 20 | 381 | 186 | 268 |
| 817 | Patient education | 13 | 380 | 222 | 280 |
| 817 | Medical Anthropology | 14 | 380 | 469 | 716 |
| 819 | Distributed Databases | 10 | 379 | 39 | 27 |
| 820 | Land Use Planning | 13 | 378 | 96 | 159 |
| 820 | Ethnic relations | 17 | 378 | 137 | 102 |
| 822 | Stochastic Processes | 30 | 377 | 126 | 198 |
| 822 | Radiation Protection | 38 | 377 | 59 | 82 |
| 824 | viral genetics | 5 | 376 | 228 | 355 |
| 825 | movement | 8 | 375 | 128 | 98 |
| 826 | health planning | 19 | 371 | 697 | 739 |
| 827 | Plant Morphology | 22 | 368 | 92 | 141 |
| 828 | Humanities | 14 | 367 | 677 | 274 |
| 828 | environmental indicators | 11 | 367 | 469 | 590 |
| 828 | Microcirculation | 14 | 367 | 124 | 156 |
| 828 | Nonlinear Optics | 11 | 367 | 30 | 9 |
| 832 | Journalism | 14 | 366 | 180 | 112 |
| 832 | Thin Films | 16 | 366 | 120 | 103 |
| 834 | Electron Microscopy | 10 | 365 | 157 | 86 |
| 834 | Quantum theory | 29 | 365 | 163 | 329 |
| 836 | Ethnic Conflict | 15 | 364 | 52 | 69 |
| 836 | Risk | 6 | 364 | 349 | 244 |
| 836 | forced migration | 15 | 364 | 52 | 69 |
| 836 | Genes | 18 | 364 | 330 | 445 |
| 840 | Pharmacogenomics | 15 | 362 | 40 | 105 |
| 840 | cosmic rays | 24 | 362 | 88 | 126 |
| 842 | Radiation Oncology | 10 | 361 | 132 | 112 |
| 842 | Child psychology | 12 | 361 | 654 | 812 |
| 844 | Robotics | 15 | 359 | 732 | 777 |
| 844 | Contraception | 9 | 359 | 260 | 201 |
| 844 | Parkinson's disease | 9 | 359 | 69 | 73 |
| 847 | biological invasions | 13 | 358 | 186 | 243 |
| 848 | Culture | 16 | 356 | 376 | 249 |
| 849 | Infection control | 9 | 354 | 265 | 214 |
| 850 | Hydrogeology | 17 | 352 | 208 | 247 |
| 851 | Fisheries | 16 | 350 | 660 | 761 |
| 852 | hygiene | 7 | 348 | 266 | 145 |
| 853 | Chemical analysis | 17 | 347 | 348 | 511 |
| 854 | Surface properties | 12 | 345 | 428 | 610 |
| 855 | Telecommunication Systems | 7 | 344 | 1081 | 532 |
| 855 | Forensic Genetics | 6 | 344 | 137 | 97 |
| 855 | Uncertainty | 3 | 344 | 167 | 71 |
| 858 | Measurement | 16 | 343 | 415 | 460 |
| 859 | Cement | 7 | 342 | 350 | 406 |
| 860 | Agricultural Science | 1 | 341 | 411 | 171 |
| 861 | Microbial Metabolism | 12 | 339 | 18 | 52 |
| 861 | Calorimetry | 21 | 339 | 242 | 307 |
| 861 | Thermal analysis | 21 | 339 | 242 | 307 |
| 864 | Animal | 6 | 337 | 69 | 17 |
| 865 | ethnic groups | 9 | 336 | 146 | 93 |
| 865 | libraries | 3 | 336 | 749 | 122 |
| 867 | Substance Abuse | 19 | 335 | 482 | 634 |
| 868 | RNA | 12 | 334 | 211 | 326 |
| 869 | Cardiac electrophysiology | 8 | 332 | 115 | 112 |
| 869 | arrhythmia | 8 | 332 | 115 | 112 |
| 871 | industrial hygiene | 22 | 331 | 238 | 240 |
| 872 | Erectile dysfunction | 17 | 329 | 34 | 66 |
| 872 | Diplomatic relations | 10 | 329 | 321 | 79 |
| 874 | Sustainable Development | 10 | 328 | 1018 | 1070 |
| 875 | Climate | 13 | 325 | 160 | 266 |
| 876 | Geotechnical Engineering | 5 | 324 | 519 | 293 |
| 876 | Ultrasonic Imaging | 3 | 324 | 513 | 163 |
| 876 | Ultrasound | 3 | 324 | 739 | 302 |
| 879 | Traffic Engineering | 5 | 322 | 282 | 194 |
| 879 | infrared radiation | 9 | 322 | 255 | 100 |
| 881 | Petroleum Geology | 15 | 321 | 178 | 257 |
| 882 | X-ray spectroscopy | 17 | 320 | 37 | 28 |
| 882 | Biomass | 11 | 320 | 192 | 349 |
| 884 | Cell survival | 5 | 319 | 103 | 69 |
| 884 | molecular chaperones | 5 | 319 | 123 | 69 |
| 886 | weather | 12 | 316 | 162 | 216 |
| 887 | Education | 32 | 315 | 1121 | 1388 |
| 888 | freshwater biology | 10 | 313 | 453 | 411 |
| 889 | Solar Energy | 12 | 312 | 750 | 1028 |
| 890 | Clinical Psychology | 10 | 311 | 738 | 909 |
| 890 | Thermodynamics | 25 | 311 | 244 | 307 |
| 890 | innovation | 7 | 311 | 354 | 439 |
| 893 | Marine Geology | 14 | 310 | 201 | 260 |
| 894 | Exercise therapy | 9 | 309 | 121 | 67 |
| 894 | Ore deposits | 19 | 309 | 147 | 257 |
| 896 | Vaccination | 21 | 308 | 20 | 108 |
| 896 | Detectors | 8 | 308 | 1000 | 649 |
| 898 | Fuzzy systems | 35 | 305 | 199 | 461 |
| 899 | Surface-Active Agents | 11 | 304 | 423 | 616 |
| 899 | Agricultural systems | 12 | 304 | 100 | 187 |
| 901 | Demography | 22 | 303 | 147 | 325 |
| 902 | Multimedia Systems | 31 | 302 | 372 | 684 |
| 902 | Small Business | 7 | 302 | 439 | 582 |
| 904 | Mutagenesis | 10 | 299 | 125 | 119 |
| 905 | Economic Geography | 6 | 298 | 207 | 118 |
| 905 | Databases | 7 | 298 | 243 | 196 |
| 907 | Clinical Trials | 10 | 297 | 217 | 189 |
| 907 | Bioethics | 14 | 297 | 338 | 273 |
| 909 | Phylogeny | 11 | 295 | 376 | 588 |
| 910 | Aquatic ecology | 13 | 294 | 363 | 411 |
| 911 | Animal Biotechnology | 4 | 292 | 124 | 55 |
| 911 | Systems Analysis | 11 | 292 | 467 | 411 |
| 911 | Remote Sensing | 32 | 292 | 253 | 489 |
| 911 | Nanobiotechnology | 9 | 292 | 135 | 258 |
| 911 | Metastasis | 4 | 292 | 116 | 178 |
| 916 | Ethics | 15 | 291 | 317 | 282 |
| 916 | Edible plants | 11 | 291 | 29 | 58 |
| 916 | Consciousness | 9 | 291 | 200 | 201 |
| 919 | Blood vessels | 9 | 290 | 143 | 132 |
| 920 | Cardiovascular Pharmacology | 12 | 288 | 57 | 77 |
| 921 | radiation monitoring | 30 | 287 | 69 | 99 |
| 921 | irrigation | 17 | 287 | 99 | 117 |
| 921 | human development | 8 | 287 | 441 | 446 |
| 924 | cell proliferation | 10 | 286 | 110 | 109 |
| 924 | Stress | 4 | 286 | 195 | 77 |
| 926 | Lung Transplantation | 11 | 285 | 176 | 253 |
| 926 | Heart transplantation | 11 | 285 | 176 | 253 |
| 926 | visualization | 60 | 285 | 191 | 452 |
| 929 | Artificial Organs | 31 | 284 | 106 | 226 |
| 930 | Microbial Biotechnology | 15 | 283 | 223 | 443 |
| 931 | nuclear astrophysics | 8 | 282 | 245 | 243 |
| 931 | Cell cycle | 9 | 282 | 113 | 104 |
| 933 | Flow cytometry | 13 | 281 | 108 | 176 |
| 934 | Dynamics | 28 | 279 | 402 | 637 |
| 934 | Logic Programming | 31 | 279 | 18 | 62 |
| 936 | Organ transplantation | 9 | 278 | 177 | 103 |
| 936 | cryosphere | 6 | 278 | 265 | 248 |
| 938 | Nuclear Energy | 10 | 277 | 573 | 391 |
| 938 | organizational effectiveness | 11 | 277 | 96 | 130 |
| 938 | Seaweed | 4 | 277 | 491 | 345 |
| 941 | cholesterol | 1 | 275 | 12 | 1 |
| 942 | Thermochemistry | 22 | 273 | 111 | 204 |
| 943 | Zoonoses | 5 | 272 | 189 | 124 |
| 944 | plant oils | 19 | 271 | 47 | 64 |
| 944 | Metals | 13 | 271 | 1042 | 1215 |
| 946 | soil pollution | 6 | 269 | 292 | 176 |
| 947 | Pediatric Rheumatology | 10 | 268 | 80 | 59 |
| 948 | Computational Complexity | 41 | 267 | 61 | 269 |
| 949 | Development | 11 | 266 | 308 | 517 |
| 950 | Forensic Pathology | 14 | 263 | 19 | 15 |
| 951 | Mitochondria | 6 | 262 | 113 | 133 |
| 952 | particle beams | 14 | 261 | 72 | 70 |
| 952 | drug control | 6 | 261 | 220 | 159 |
| 954 | Anthropology | 17 | 260 | 605 | 646 |
| 955 | Functional Genomics | 5 | 257 | 168 | 183 |
| 955 | Evidence-Based Medicine | 10 | 257 | 574 | 514 |
| 955 | Water quality management | 13 | 257 | 821 | 889 |
| 958 | Apoptosis | 7 | 256 | 102 | 101 |
| 958 | neurotoxins | 7 | 256 | 102 | 101 |
| 958 | Neurotoxic agents | 7 | 256 | 102 | 101 |
| 958 | Pesticides | 15 | 256 | 169 | 231 |
| 958 | Nerve regeneration | 7 | 256 | 102 | 101 |
| 963 | Emotions | 4 | 255 | 499 | 412 |
| 964 | tillage | 6 | 254 | 236 | 294 |
| 965 | Hydrodynamics | 12 | 253 | 249 | 333 |
| 965 | Herbal medicine | 9 | 253 | 261 | 405 |
| 965 | Infrared spectroscopy | 9 | 253 | 83 | 83 |
| 968 | Fertilization | 8 | 252 | 18 | 23 |
| 968 | sustainability | 5 | 252 | 628 | 654 |
| 968 | Heart Failure | 10 | 252 | 183 | 286 |
| 968 | gametes | 8 | 252 | 18 | 23 |
| 972 | Rock deformation | 7 | 249 | 92 | 86 |
| 973 | Plant Biotechnology | 16 | 248 | 229 | 476 |
| 974 | Consumer education | 3 | 246 | 305 | 155 |
| 974 | Youth | 3 | 246 | 649 | 412 |
| 974 | mental processes | 4 | 246 | 274 | 119 |
| 974 | software | 18 | 246 | 234 | 662 |
| 978 | Vocational guidance | 1 | 244 | 1326 | 520 |
| 978 | eugenics | 17 | 244 | 121 | 241 |
| 980 | Taste | 11 | 243 | 79 | 94 |
| 980 | smell | 11 | 243 | 79 | 94 |
| 982 | Plastics | 22 | 241 | 497 | 829 |
| 983 | finance | 19 | 239 | 857 | 1136 |
| 984 | Developmental Toxicology | 11 | 238 | 10 | 33 |
| 984 | Biogeochemistry | 7 | 238 | 714 | 868 |
| 984 | Smoking | 5 | 238 | 563 | 483 |
| 984 | teratogens | 11 | 238 | 10 | 33 |
| 988 | Audiology | 28 | 237 | 184 | 409 |
| 988 | Hospitals | 4 | 237 | 501 | 280 |
| 988 | Nitric oxide | 6 | 237 | 94 | 118 |
| 991 | Microfabrication | 4 | 235 | 317 | 136 |
| 992 | Hydraulic Engineering | 14 | 234 | 495 | 579 |
| 992 | drainage | 14 | 234 | 100 | 99 |
| 992 | Elections | 23 | 234 | 60 | 140 |
| 995 | sports injuries | 14 | 232 | 151 | 199 |
| 996 | adolescence | 2 | 231 | 1059 | 541 |
| 996 | cooperation | 10 | 231 | 17 | 14 |
| 998 | Osteoporosis | 9 | 229 | 96 | 145 |
| 998 | Multiple sclerosis | 21 | 229 | 106 | 185 |
| 1000 | Ecosystem management | 6 | 228 | 448 | 418 |