| 1 | Medicine | 7,394 | 248.6K | 7 | 49 |
| 2 | Science | 4,538 | 203.1K | 33 | 126 |
| 3 | Biology | 4,166 | 164.4K | 40 | 161 |
| 4 | Physics | 3,468 | 160.1K | 87 | 189 |
| 5 | Biochemistry | 4,847 | 155.3K | 23 | 73 |
| 6 | Research | 3,637 | 120.1K | 12 | 36 |
| 7 | Public Health | 5,444 | 112.9K | 4 | 20 |
| 8 | Astrophysics | 1,458 | 102.2K | 102 | 117 |
| 9 | Nuclear Physics | 3,316 | 97.0K | 24 | 50 |
| 10 | Astronomy | 1,634 | 96.7K | 73 | 93 |
| 11 | Molecular Biology | 2,617 | 95.8K | 44 | 137 |
| 12 | Microbiology | 2,328 | 95.2K | 15 | 72 |
| 13 | Chemistry | 2,569 | 94.9K | 126 | 252 |
| 14 | Ecology | 1,893 | 89.6K | 32 | 82 |
| 15 | Neurology | 1,821 | 81.5K | 74 | 118 |
| 16 | Psychiatry | 1,511 | 69.8K | 23 | 47 |
| 17 | Environment | 968 | 67.8K | 33 | 47 |
| 18 | Biotechnology | 1,459 | 63.5K | 19 | 54 |
| 19 | Natural history | 727 | 58.1K | 61 | 209 |
| 20 | Pollution | 1,152 | 56.5K | 25 | 57 |
| 21 | Nutrition | 1,443 | 55.4K | 3 | 12 |
| 22 | Toxicology | 3,270 | 53.8K | 1 | 6 |
| 23 | Pharmacology | 1,806 | 51.5K | 6 | 34 |
| 24 | Physiology | 1,778 | 50.2K | 9 | 47 |
| 25 | Endocrinology | 1,381 | 49.1K | 12 | 59 |
| 26 | Biophysics | 1,503 | 45.9K | 42 | 69 |
| 27 | Analytical Chemistry | 1,210 | 45.0K | 15 | 18 |
| 28 | Electrochemistry | 1,519 | 44.9K | 10 | 7 |
| 29 | Cytology | 959 | 44.8K | 67 | 150 |
| 30 | Spectrum analysis | 1,197 | 44.6K | 58 | 145 |
| 31 | Botany | 1,497 | 44.1K | 9 | 61 |
| 32 | Metabolism | 1,046 | 43.4K | 9 | 39 |
| 33 | Cell Biology | 781 | 41.1K | 71 | 154 |
| 34 | environmental pollution | 870 | 37.7K | 13 | 16 |
| 35 | Immunology | 948 | 35.9K | 34 | 99 |
| 36 | Environmental Health | 922 | 33.3K | 41 | 105 |
| 37 | Genetics | 628 | 33.1K | 71 | 127 |
| 38 | Psychophysiology | 610 | 32.9K | 62 | 65 |
| 39 | Neurophysiology | 864 | 32.6K | 33 | 89 |
| 40 | Human genetics | 221 | 31.1K | 110 | 174 |
| 41 | Brain | 778 | 30.7K | 16 | 38 |
| 42 | food technology | 675 | 30.4K | 6 | 5 |
| 43 | Epidemiology | 1,099 | 29.7K | 21 | 58 |
| 44 | Food | 705 | 29.1K | 5 | 10 |
| 45 | Quantum Gravity | 1,067 | 29.0K | 25 | 93 |
| 46 | Geophysics | 584 | 28.7K | 140 | 111 |
| 47 | Medical genetics | 525 | 28.4K | 57 | 85 |
| 48 | Surface Chemistry | 841 | 27.8K | 15 | 29 |
| 49 | Nursing | 2,018 | 27.8K | 1 | 2 |
| 50 | Solid State Physics | 1,200 | 27.4K | 70 | 139 |
| 51 | Condensed Matter | 1,103 | 27.0K | 73 | 146 |
| 52 | Materials | 1,226 | 26.8K | 113 | 272 |
| 53 | Virology | 409 | 26.3K | 106 | 156 |
| 54 | Statistical physics | 1,419 | 26.1K | 13 | 65 |
| 55 | Colloids | 739 | 25.6K | 26 | 50 |
| 56 | Catalysis | 706 | 25.3K | 75 | 123 |
| 57 | Bioengineering | 493 | 25.2K | 80 | 128 |
| 58 | Marine Biology | 1,160 | 24.8K | 2 | 17 |
| 59 | Sports Medicine | 978 | 24.2K | 1 | 16 |
| 60 | Behavior | 634 | 23.9K | 45 | 80 |
| 61 | Metabolic diseases | 466 | 23.8K | 43 | 85 |
| 62 | Geology | 818 | 23.1K | 32 | 84 |
| 63 | Chemical Engineering | 861 | 22.5K | 78 | 174 |
| 64 | Mental Disorders | 415 | 22.4K | 71 | 84 |
| 65 | Sports | 861 | 22.1K | 2 | 8 |
| 66 | Parasitology | 787 | 21.7K | 1 | 4 |
| 67 | Biomass Energy | 459 | 21.6K | 5 | 21 |
| 68 | Polymers | 700 | 21.4K | 125 | 142 |
| 69 | Biomedical Engineering | 744 | 21.3K | 51 | 97 |
| 70 | Tropical Medicine | 1,107 | 21.2K | 1 | 3 |
| 71 | Biochemical Engineering | 423 | 21.1K | 64 | 135 |
| 72 | Critical Care | 273 | 19.8K | 33 | 42 |
| 73 | Critical Care Medicine | 267 | 19.8K | 35 | 41 |
| 74 | Soil Science | 466 | 19.2K | 14 | 22 |
| 75 | Environmental monitoring | 519 | 19.1K | 14 | 38 |
| 76 | Earth Sciences | 740 | 19.1K | 5 | 64 |
| 77 | Immunity | 259 | 18.8K | 58 | 123 |
| 78 | Climatology | 408 | 18.5K | 28 | 47 |
| 79 | Biodiversity conservation | 171 | 18.4K | 47 | 59 |
| 80 | Medical Microbiology | 365 | 18.3K | 15 | 42 |
| 81 | Meteorology | 324 | 18.1K | 90 | 95 |
| 82 | Bacteriology | 595 | 18.0K | 6 | 60 |
| 83 | Hypertension | 288 | 17.8K | 67 | 101 |
| 84 | Latin America | 1,268 | 17.4K | 1 | 1 |
| 85 | polymerization | 569 | 17.2K | 105 | 138 |
| 86 | Oncology | 209 | 17.1K | 78 | 72 |
| 87 | human behavior | 385 | 17.1K | 46 | 83 |
| 88 | Nanotechnology | 450 | 17.0K | 228 | 328 |
| 89 | Pharmaceutical Chemistry | 535 | 17.0K | 45 | 95 |
| 90 | Genomics | 413 | 16.9K | 40 | 51 |
| 91 | Biocompatible Materials | 540 | 16.9K | 91 | 205 |
| 92 | Neuropsychology | 471 | 16.5K | 12 | 31 |
| 93 | Health Policy | 911 | 16.3K | 4 | 25 |
| 94 | Mathematics | 1,647 | 16.2K | 37 | 103 |
| 95 | biological evolution | 359 | 16.1K | 34 | 110 |
| 96 | Environmental Policy | 367 | 16.0K | 21 | 72 |
| 97 | environmental protection | 650 | 15.9K | 1 | 28 |
| 98 | Animal Behavior | 383 | 15.8K | 34 | 64 |
| 99 | Atmospheric Physics | 224 | 15.7K | 84 | 62 |
| 100 | Psychopharmacology | 197 | 15.5K | 54 | 47 |
| 101 | Ophthalmology | 365 | 15.1K | 37 | 42 |
| 102 | Mental illness | 317 | 15.1K | 43 | 74 |
| 103 | Microbial Ecology | 264 | 15.1K | 61 | 96 |
| 104 | Zoology | 945 | 14.9K | 1 | 12 |
| 105 | Atmospheric Chemistry | 165 | 14.6K | 64 | 50 |
| 106 | Parenteral nutrition | 168 | 14.4K | 4 | 14 |
| 107 | Water pollution | 432 | 14.4K | 16 | 66 |
| 108 | Diet | 320 | 14.3K | 30 | 56 |
| 109 | free radicals | 317 | 14.3K | 1 | 15 |
| 110 | Cardiovascular system | 163 | 14.1K | 123 | 130 |
| 111 | Psychology | 1,299 | 14.1K | 35 | 248 |
| 112 | Reproduction | 592 | 14.0K | 7 | 38 |
| 113 | Toxins | 481 | 13.9K | 1 | 2 |
| 114 | Electrochemical Analysis | 433 | 13.9K | 4 | 3 |
| 115 | Statistics | 549 | 13.8K | 36 | 83 |
| 116 | Exercise | 580 | 13.7K | 1 | 2 |
| 117 | Wildlife conservation | 128 | 13.6K | 25 | 10 |
| 118 | venom | 466 | 13.4K | 1 | 2 |
| 119 | Photochemistry | 457 | 13.3K | 1 | 3 |
| 120 | Climate change | 62 | 13.3K | 102 | 60 |
| 121 | Eutrophication | 61 | 13.3K | 100 | 60 |
| 122 | Entomology | 637 | 13.2K | 20 | 33 |
| 123 | Cancer | 354 | 13.1K | 137 | 214 |
| 124 | Pharmacognosy | 376 | 13.1K | 8 | 7 |
| 125 | Biodiversity | 423 | 12.9K | 4 | 42 |
| 126 | Mycology | 395 | 12.8K | 1 | 10 |
| 127 | Public Health Administration | 797 | 12.8K | 1 | 1 |
| 128 | Neurochemistry | 397 | 12.7K | 39 | 87 |
| 129 | Materials Science | 478 | 12.4K | 176 | 299 |
| 130 | Obesity | 253 | 12.4K | 52 | 56 |
| 131 | Environmental Engineering | 489 | 12.4K | 53 | 177 |
| 132 | Surgery | 105 | 12.4K | 161 | 185 |
| 133 | Urology | 583 | 12.3K | 30 | 50 |
| 134 | Environmental Management | 318 | 12.3K | 15 | 33 |
| 135 | Ethology | 238 | 11.9K | 48 | 70 |
| 136 | Environmental Toxicology | 258 | 11.9K | 15 | 35 |
| 137 | Industrial Microbiology | 263 | 11.9K | 7 | 13 |
| 138 | Parasitic Diseases | 358 | 11.9K | 6 | 14 |
| 139 | Allergy | 121 | 11.7K | 62 | 77 |
| 140 | Enteral nutrition | 126 | 11.7K | 4 | 15 |
| 141 | Hematology | 448 | 11.5K | 110 | 203 |
| 142 | Education | 1,190 | 11.3K | 15 | 117 |
| 143 | Forest Ecology | 221 | 11.3K | 14 | 18 |
| 144 | Nonlinear Dynamics | 590 | 11.3K | 13 | 49 |
| 145 | Clinical Chemistry | 355 | 11.2K | 44 | 87 |
| 146 | Composite Materials | 242 | 11.2K | 116 | 116 |
| 147 | transport vesicles | 3 | 11.1K | 203 | 76 |
| 148 | concrete | 82 | 11.0K | 67 | 37 |
| 149 | Evolution | 339 | 11.0K | 24 | 118 |
| 150 | Oceanography | 631 | 11.0K | 16 | 85 |
| 151 | Antarctica | 524 | 10.9K | 1 | 1 |
| 152 | Medical innovations | 50 | 10.9K | 80 | 30 |
| 153 | Renewable Energy Sources | 222 | 10.7K | 46 | 134 |
| 154 | Agricultural Chemistry | 277 | 10.7K | 49 | 49 |
| 155 | Diagnostic microbiology | 120 | 10.6K | 43 | 39 |
| 156 | Forest Management | 185 | 10.5K | 24 | 16 |
| 157 | Parasites | 343 | 10.3K | 5 | 9 |
| 158 | Molecular Genetics | 249 | 10.3K | 30 | 72 |
| 159 | Plant Ecology | 260 | 10.2K | 13 | 49 |
| 160 | Geography | 215 | 10.2K | 88 | 62 |
| 161 | Obstetrics | 300 | 10.2K | 92 | 93 |
| 162 | Nanostructured Materials | 339 | 10.2K | 104 | 174 |
| 163 | Agriculture | 475 | 10.1K | 20 | 40 |
| 164 | Computational Chemistry | 32 | 10.1K | 66 | 29 |
| 165 | Diabetes | 156 | 9.8K | 137 | 135 |
| 166 | United States | 312 | 9.8K | 292 | 296 |
| 167 | bees | 228 | 9.7K | 1 | 1 |
| 168 | Pathology | 245 | 9.7K | 91 | 126 |
| 169 | Plant physiology | 256 | 9.6K | 42 | 115 |
| 170 | Aging | 307 | 9.5K | 96 | 128 |
| 171 | Pediatrics | 198 | 9.3K | 146 | 154 |
| 172 | Diabetes mellitus | 140 | 9.2K | 128 | 136 |
| 173 | biological factors | 321 | 9.2K | 1 | 10 |
| 174 | Molecular evolution | 235 | 9.2K | 12 | 64 |
| 175 | Respiration | 344 | 9.1K | 12 | 53 |
| 176 | Nervous system | 231 | 9.1K | 93 | 162 |
| 177 | Plant diseases | 403 | 8.9K | 26 | 52 |
| 178 | Alzheimer's disease | 399 | 8.8K | 35 | 49 |
| 179 | Technology | 343 | 8.8K | 110 | 140 |
| 180 | drug development | 35 | 8.8K | 110 | 39 |
| 181 | Mathematical Physics | 711 | 8.7K | 20 | 153 |
| 182 | Insects | 437 | 8.7K | 2 | 18 |
| 183 | Dermatology | 324 | 8.6K | 46 | 66 |
| 184 | Energy Policy | 194 | 8.6K | 70 | 95 |
| 185 | Physical fitness | 288 | 8.6K | 2 | 12 |
| 186 | Organic Chemistry | 321 | 8.5K | 66 | 134 |
| 187 | Marine Pollution | 225 | 8.5K | 3 | 10 |
| 188 | natural products | 245 | 8.4K | 13 | 18 |
| 189 | gene mapping | 188 | 8.3K | 53 | 80 |
| 190 | Artificial Intelligence | 248 | 8.1K | 131 | 193 |
| 191 | Geochemistry | 230 | 8.1K | 115 | 176 |
| 192 | Building Materials | 202 | 8.1K | 51 | 77 |
| 193 | Ethnology | 478 | 8.0K | 1 | 5 |
| 194 | Dementia | 369 | 8.0K | 35 | 48 |
| 195 | Medical Laboratory Science | 169 | 7.9K | 56 | 85 |
| 196 | pain | 223 | 7.9K | 38 | 84 |
| 197 | Electrophoresis | 275 | 7.9K | 4 | 7 |
| 198 | Disease | 29 | 7.7K | 14 | 53 |
| 199 | Environmental pollutants | 227 | 7.7K | 16 | 29 |
| 200 | Chromosome mapping | 173 | 7.6K | 38 | 59 |
| 201 | Food Microbiology | 163 | 7.6K | 18 | 24 |
| 202 | diseases | 13 | 7.5K | 71 | 55 |
| 203 | soil microbiology | 165 | 7.5K | 47 | 85 |
| 204 | Information Science | 260 | 7.3K | 19 | 63 |
| 205 | Light | 231 | 7.3K | 2 | 60 |
| 206 | Physical Chemistry | 259 | 7.2K | 51 | 139 |
| 207 | Neurobiology | 234 | 7.2K | 60 | 157 |
| 208 | Biogeography | 190 | 7.1K | 1 | 25 |
| 209 | Electrical Engineering | 596 | 7.1K | 40 | 83 |
| 210 | Membranes | 217 | 7.0K | 47 | 107 |
| 211 | cytokines | 145 | 7.0K | 30 | 10 |
| 212 | Plants | 235 | 7.0K | 42 | 168 |
| 213 | Hydrology | 258 | 7.0K | 67 | 125 |
| 214 | Pharmacy | 194 | 6.9K | 89 | 69 |
| 215 | Anatomy | 485 | 6.8K | 17 | 132 |
| 216 | Chromatographic analysis | 280 | 6.7K | 10 | 6 |
| 217 | pollutants | 174 | 6.7K | 21 | 33 |
| 218 | Phylogeny | 173 | 6.6K | 2 | 11 |
| 219 | Photobiology | 228 | 6.6K | 1 | 4 |
| 220 | arthritis | 103 | 6.6K | 97 | 95 |
| 221 | Stem cells | 160 | 6.6K | 52 | 55 |
| 222 | Inflammation | 170 | 6.6K | 1 | 6 |
| 223 | drugs | 186 | 6.5K | 59 | 52 |
| 224 | Clinical Immunology | 143 | 6.5K | 31 | 15 |
| 225 | Quality Control | 239 | 6.3K | 3 | 17 |
| 226 | Immunotherapy | 166 | 6.3K | 59 | 138 |
| 227 | Bipolar Disorder | 71 | 6.3K | 19 | 13 |
| 228 | Host-parasite interactions | 109 | 6.3K | 57 | 113 |
| 229 | Chromatography | 235 | 6.2K | 8 | 4 |
| 230 | nucleic acids | 56 | 6.2K | 313 | 234 |
| 231 | Radiation | 332 | 6.2K | 12 | 31 |
| 232 | ecosystem | 187 | 6.2K | 4 | 44 |
| 233 | Bioinorganic chemistry | 195 | 6.2K | 14 | 14 |
| 234 | Optics | 413 | 6.1K | 231 | 325 |
| 235 | Planets | 96 | 6.1K | 227 | 169 |
| 236 | Molecular structure | 334 | 6.1K | 13 | 111 |
| 237 | Breeding | 261 | 6.1K | 17 | 40 |
| 238 | Cement | 26 | 6.1K | 116 | 41 |
| 239 | Histology | 201 | 6.1K | 40 | 96 |
| 240 | Medicinal plants | 147 | 6.1K | 24 | 21 |
| 241 | Geriatrics | 283 | 6.0K | 126 | 196 |
| 242 | Automation | 239 | 6.0K | 81 | 210 |
| 243 | Bioorganic chemistry | 195 | 5.9K | 92 | 167 |
| 244 | Sleep | 242 | 5.9K | 34 | 71 |
| 245 | Sleep Disorders | 240 | 5.9K | 34 | 67 |
| 246 | Raman spectroscopy | 142 | 5.9K | 4 | 4 |
| 247 | epilepsy | 206 | 5.9K | 6 | 12 |
| 248 | Computational Biology | 161 | 5.9K | 131 | 218 |
| 249 | Comparative Physiology | 154 | 5.9K | 10 | 14 |
| 250 | environmental exposure | 151 | 5.9K | 32 | 23 |
| 251 | Animal breeding | 271 | 5.7K | 4 | 10 |
| 252 | Virulence | 104 | 5.7K | 57 | 105 |
| 253 | proteins | 233 | 5.6K | 39 | 106 |
| 254 | Vaccines | 218 | 5.6K | 25 | 56 |
| 255 | Developmental Biology | 164 | 5.6K | 137 | 247 |
| 256 | Electronics | 268 | 5.6K | 174 | 241 |
| 257 | Engineering | 272 | 5.6K | 138 | 180 |
| 258 | disease vectors | 183 | 5.6K | 2 | 6 |
| 259 | Immunopathology | 179 | 5.5K | 17 | 42 |
| 260 | actuators | 150 | 5.5K | 83 | 97 |
| 260 | transducers | 150 | 5.5K | 83 | 97 |
| 262 | Genetic engineering | 149 | 5.4K | 59 | 106 |
| 263 | Child | 247 | 5.4K | 72 | 120 |
| 264 | Environmental Microbiology | 132 | 5.4K | 15 | 79 |
| 265 | Solid State Chemistry | 309 | 5.3K | 29 | 84 |
| 266 | Immune system | 121 | 5.3K | 36 | 150 |
| 267 | Manufacturing Processes | 213 | 5.3K | 82 | 113 |
| 268 | mathematical analysis | 375 | 5.3K | 6 | 29 |
| 269 | Neurotransmitters | 51 | 5.3K | 10 | 9 |
| 270 | plant molecular biology | 79 | 5.3K | 177 | 215 |
| 271 | rehabilitation | 188 | 5.2K | 86 | 129 |
| 272 | Luminescence | 248 | 5.2K | 1 | 3 |
| 273 | Food additives | 94 | 5.2K | 33 | 40 |
| 274 | Economics | 507 | 5.2K | 107 | 363 |
| 275 | Biosensors | 66 | 5.1K | 96 | 65 |
| 276 | Insect biochemistry | 116 | 5.1K | 5 | 7 |
| 277 | mycoses | 130 | 5.1K | 4 | 47 |
| 278 | Hemodynamics | 82 | 5.1K | 53 | 62 |
| 279 | Water | 135 | 5.1K | 179 | 306 |
| 280 | Transplantation | 111 | 5.1K | 90 | 101 |
| 281 | Chromosomes | 147 | 5.1K | 6 | 17 |
| 282 | food handling | 112 | 5.0K | 9 | 9 |
| 283 | Health Education | 480 | 5.0K | 10 | 92 |
| 284 | Environmental Geology | 201 | 5.0K | 11 | 32 |
| 285 | energy resources | 99 | 5.0K | 34 | 93 |
| 286 | Clinical Pharmacology | 216 | 5.0K | 19 | 35 |
| 287 | management | 399 | 4.9K | 50 | 453 |
| 288 | Cell differentiation | 85 | 4.9K | 193 | 250 |
| 289 | Embryology | 128 | 4.9K | 113 | 190 |
| 290 | Optical materials | 218 | 4.9K | 114 | 282 |
| 291 | nanoscience | 117 | 4.9K | 296 | 385 |
| 292 | Hormones | 196 | 4.9K | 8 | 50 |
| 293 | Child psychology | 48 | 4.9K | 294 | 193 |
| 294 | Fluid Mechanics | 111 | 4.9K | 92 | 66 |
| 295 | Liver diseases | 65 | 4.8K | 205 | 214 |
| 296 | Lightweight concrete | 46 | 4.8K | 35 | 23 |
| 297 | Surface properties | 146 | 4.8K | 5 | 9 |
| 298 | Cell metabolism | 112 | 4.8K | 4 | 86 |
| 298 | fertility | 133 | 4.8K | 41 | 69 |
| 300 | soil management | 121 | 4.8K | 8 | 14 |
| 301 | Infertility | 127 | 4.8K | 39 | 65 |
| 302 | Algae | 113 | 4.7K | 17 | 16 |
| 303 | Drug design | 142 | 4.7K | 10 | 26 |
| 304 | biofuels | 56 | 4.7K | 2 | 2 |
| 305 | Ocean Engineering | 221 | 4.7K | 52 | 104 |
| 306 | Bioelectronics | 54 | 4.7K | 90 | 57 |
| 307 | Biogeochemistry | 77 | 4.6K | 99 | 117 |
| 308 | enzymes | 164 | 4.6K | 20 | 48 |
| 309 | drug therapy | 169 | 4.6K | 143 | 184 |
| 310 | Mites | 235 | 4.6K | 1 | 2 |
| 311 | Lipids | 136 | 4.5K | 19 | 82 |
| 311 | Memory | 134 | 4.5K | 143 | 167 |
| 313 | Computer Graphics | 123 | 4.5K | 110 | 111 |
| 314 | Community Psychiatry | 90 | 4.5K | 50 | 45 |
| 315 | Biopharmaceutics | 108 | 4.4K | 17 | 23 |
| 316 | hydrocolloids | 59 | 4.4K | 52 | 40 |
| 317 | Fungi | 111 | 4.4K | 32 | 56 |
| 318 | Mineralogy | 156 | 4.4K | 66 | 117 |
| 319 | Surface-Active Agents | 145 | 4.4K | 5 | 11 |
| 320 | tillage | 102 | 4.4K | 8 | 12 |
| 321 | Signal Transduction | 83 | 4.3K | 78 | 112 |
| 322 | Autoimmunity | 78 | 4.3K | 20 | 27 |
| 323 | Perception | 127 | 4.3K | 171 | 159 |
| 324 | Production Engineering | 261 | 4.3K | 33 | 61 |
| 325 | Aquaculture | 166 | 4.3K | 58 | 83 |
| 326 | Cardiovascular diseases | 184 | 4.3K | 37 | 87 |
| 327 | Evolutionary Genetics | 127 | 4.3K | 1 | 1 |
| 327 | Molecular Epidemiology | 127 | 4.3K | 1 | 1 |
| 329 | Economic History | 334 | 4.3K | 50 | 173 |
| 330 | Operations Research | 191 | 4.2K | 68 | 157 |
| 331 | Geomorphology | 164 | 4.1K | 17 | 82 |
| 332 | Physical Therapy | 147 | 4.1K | 57 | 99 |
| 333 | Paleoecology | 107 | 4.1K | 31 | 45 |
| 334 | Communication | 467 | 4.1K | 14 | 166 |
| 335 | Molecular ecology | 76 | 4.1K | 94 | 133 |
| 336 | Attention | 128 | 4.1K | 135 | 128 |
| 337 | Medical Technology | 111 | 4.1K | 31 | 33 |
| 338 | cell physiology | 99 | 4.1K | 112 | 175 |
| 339 | civilization | 802 | 4.1K | 1 | 1 |
| 340 | Oxidation-reduction | 69 | 4.0K | 20 | 54 |
| 341 | Developing countries | 166 | 4.0K | 72 | 139 |
| 342 | Fracture mechanics | 130 | 4.0K | 70 | 75 |
| 343 | Sustainable Development | 147 | 4.0K | 21 | 108 |
| 344 | Metabolic syndrome | 143 | 4.0K | 1 | 1 |
| 345 | bioclimatology | 142 | 4.0K | 2 | 4 |
| 346 | animals | 199 | 3.9K | 10 | 17 |
| 347 | Petrology | 136 | 3.9K | 57 | 119 |
| 348 | infection | 130 | 3.9K | 52 | 121 |
| 349 | Water quality management | 174 | 3.9K | 25 | 44 |
| 350 | Atomic spectroscopy | 107 | 3.9K | 21 | 19 |
| 351 | Structural dynamics | 79 | 3.9K | 83 | 79 |
| 352 | Pharmaceutical Technology | 129 | 3.9K | 25 | 53 |
| 353 | Population Genetics | 99 | 3.9K | 74 | 137 |
| 354 | Cognition | 68 | 3.9K | 288 | 224 |
| 355 | genome | 83 | 3.9K | 130 | 247 |
| 356 | Metallurgy | 120 | 3.8K | 214 | 234 |
| 357 | Microscopy | 230 | 3.8K | 5 | 41 |
| 358 | Neuropharmacology | 40 | 3.8K | 35 | 4 |
| 359 | Genetic Toxicology | 75 | 3.8K | 2 | 5 |
| 360 | Schizophrenia | 156 | 3.8K | 38 | 104 |
| 361 | cell interaction | 62 | 3.7K | 40 | 18 |
| 362 | Visual Perception | 113 | 3.7K | 142 | 129 |
| 363 | Nutrition physiology | 88 | 3.7K | 13 | 19 |
| 364 | Acarology | 123 | 3.7K | 2 | 2 |
| 365 | Environmental Law | 45 | 3.7K | 128 | 104 |
| 366 | Paleontology | 182 | 3.6K | 34 | 56 |
| 367 | Green Chemistry | 86 | 3.6K | 151 | 207 |
| 368 | Ticks | 122 | 3.6K | 2 | 2 |
| 368 | Acari | 122 | 3.6K | 2 | 2 |
| 370 | Rheumatology | 82 | 3.6K | 91 | 121 |
| 371 | Europe | 248 | 3.6K | 128 | 229 |
| 372 | Analytical Biochemistry | 145 | 3.6K | 19 | 77 |
| 373 | United Kingdom | 76 | 3.6K | 175 | 159 |
| 374 | Paleoclimatology | 102 | 3.6K | 43 | 73 |
| 375 | Medical Oncology | 102 | 3.6K | 154 | 188 |
| 376 | Biomass | 98 | 3.6K | 2 | 13 |
| 377 | complementary therapies | 116 | 3.5K | 38 | 31 |
| 377 | Hazardous waste | 56 | 3.5K | 22 | 20 |
| 379 | Molecular Spectroscopy | 147 | 3.5K | 36 | 48 |
| 380 | energy conservation | 91 | 3.5K | 150 | 267 |
| 381 | Image Processing | 134 | 3.5K | 143 | 258 |
| 382 | Cybernetics | 37 | 3.5K | 327 | 170 |
| 383 | alcoholism | 134 | 3.4K | 97 | 144 |
| 384 | Calorimetry | 180 | 3.4K | 8 | 11 |
| 384 | Thermal analysis | 180 | 3.4K | 8 | 11 |
| 386 | Communication in medicine | 351 | 3.4K | 1 | 18 |
| 387 | industrial waste | 45 | 3.4K | 27 | 21 |
| 388 | Neuropsychiatry | 75 | 3.4K | 39 | 33 |
| 388 | radioactive waste | 44 | 3.4K | 27 | 21 |
| 390 | Cytogenetics | 80 | 3.4K | 128 | 210 |
| 391 | Production Management | 126 | 3.4K | 32 | 131 |
| 392 | Bioinformatics | 104 | 3.3K | 162 | 277 |
| 393 | Anxiety Disorders | 39 | 3.3K | 61 | 50 |
| 393 | Anxiety | 39 | 3.3K | 62 | 49 |
| 395 | Antioxidants | 64 | 3.3K | 16 | 44 |
| 396 | miniaturization | 87 | 3.3K | 183 | 308 |
| 397 | Cellulose | 95 | 3.3K | 11 | 18 |
| 398 | Differential Equations | 177 | 3.3K | 5 | 16 |
| 399 | Primates | 139 | 3.3K | 13 | 32 |
| 400 | Sexual health | 122 | 3.3K | 11 | 26 |
| 401 | lasers | 191 | 3.2K | 97 | 132 |
| 402 | Sociology | 220 | 3.2K | 159 | 334 |
| 403 | Anthropology | 225 | 3.2K | 59 | 96 |
| 404 | Cell communication | 46 | 3.2K | 17 | 2 |
| 405 | Process Control | 63 | 3.2K | 29 | 58 |
| 405 | Paleogeography | 85 | 3.2K | 32 | 52 |
| 407 | Geodynamics | 79 | 3.2K | 61 | 81 |
| 408 | Neural circuitry | 153 | 3.2K | 63 | 133 |
| 409 | Environmental Chemistry | 118 | 3.2K | 81 | 312 |
| 410 | Data Mining | 43 | 3.2K | 56 | 55 |
| 411 | Seaweed | 71 | 3.2K | 21 | 20 |
| 412 | Nitric oxide | 82 | 3.2K | 1 | 2 |
| 413 | Pediatric Neurology | 50 | 3.1K | 136 | 178 |
| 413 | Drug delivery systems | 115 | 3.1K | 30 | 138 |
| 415 | Proteomics | 109 | 3.1K | 15 | 70 |
| 416 | Health | 182 | 3.1K | 94 | 184 |
| 417 | body temperature | 74 | 3.1K | 2 | 1 |
| 418 | Infections | 79 | 3.1K | 64 | 122 |
| 419 | Muscles | 72 | 3.1K | 46 | 53 |
| 420 | Microbial Biotechnology | 110 | 3.1K | 3 | 8 |
| 421 | Signal Processing | 142 | 3.1K | 241 | 388 |
| 422 | Agricultural Ecology | 69 | 3.0K | 65 | 107 |
| 423 | Immunopharmacology | 111 | 3.0K | 46 | 41 |
| 424 | Oxidative stress | 70 | 3.0K | 13 | 43 |
| 425 | Depression | 29 | 3.0K | 37 | 28 |
| 426 | Diagnostic Imaging | 118 | 3.0K | 116 | 177 |
| 427 | dietary supplements | 64 | 3.0K | 13 | 18 |
| 428 | Adolescent | 130 | 3.0K | 140 | 189 |
| 429 | preventive medicine | 52 | 3.0K | 160 | 128 |
| 430 | coal | 83 | 3.0K | 120 | 157 |
| 431 | Contraception | 57 | 2.9K | 47 | 24 |
| 432 | amino acids | 77 | 2.9K | 5 | 4 |
| 433 | Radiation effects | 55 | 2.9K | 8 | 14 |
| 434 | Fisheries | 90 | 2.9K | 137 | 141 |
| 435 | visualization | 118 | 2.9K | 73 | 41 |
| 436 | protein | 93 | 2.9K | 60 | 122 |
| 437 | clay | 67 | 2.9K | 19 | 28 |
| 438 | Alternative Medicine | 85 | 2.8K | 54 | 41 |
| 439 | Histochemistry | 136 | 2.8K | 5 | 30 |
| 440 | Ultrasonics | 83 | 2.8K | 51 | 67 |
| 441 | Continental shelf | 63 | 2.8K | 13 | 18 |
| 442 | Molecular Microbiology | 70 | 2.8K | 68 | 166 |
| 443 | Recombinant DNA | 115 | 2.8K | 28 | 86 |
| 444 | Animal ecology | 164 | 2.8K | 23 | 138 |
| 445 | Conservation Biology | 104 | 2.8K | 35 | 117 |
| 446 | Reproductive health | 58 | 2.8K | 36 | 16 |
| 447 | Orthopedics | 86 | 2.8K | 155 | 140 |
| 448 | Proteome | 114 | 2.8K | 33 | 125 |
| 449 | Thrombosis | 66 | 2.7K | 128 | 153 |
| 450 | Developmental Immunology | 39 | 2.7K | 41 | 14 |
| 451 | medical education | 83 | 2.7K | 200 | 180 |
| 452 | Oncogenes | 30 | 2.7K | 267 | 233 |
| 453 | Australia | 145 | 2.7K | 64 | 83 |
| 454 | cell adhesion molecules | 35 | 2.7K | 1 | 1 |
| 455 | Substance Abuse | 110 | 2.7K | 103 | 128 |
| 456 | Microorganisms | 60 | 2.7K | 61 | 143 |
| 457 | Systems Biology | 102 | 2.7K | 66 | 92 |
| 458 | Restoration Ecology | 63 | 2.7K | 7 | 11 |
| 459 | Neurosurgery | 93 | 2.7K | 26 | 72 |
| 460 | Dentistry | 125 | 2.7K | 34 | 33 |
| 461 | Recycling | 34 | 2.7K | 45 | 38 |
| 462 | Waste management | 114 | 2.7K | 23 | 36 |
| 463 | Genetic regulation | 79 | 2.7K | 62 | 163 |
| 464 | Molecular cloning | 112 | 2.6K | 20 | 80 |
| 465 | Economic Development | 84 | 2.6K | 113 | 209 |
| 466 | Magnetic Resonance Spectroscopy | 134 | 2.6K | 47 | 86 |
| 467 | Ceramic materials | 119 | 2.6K | 44 | 78 |
| 468 | Music | 137 | 2.6K | 9 | 16 |
| 469 | drug addiction | 91 | 2.6K | 100 | 137 |
| 470 | mass transfer | 57 | 2.6K | 247 | 189 |
| 471 | Plant cells | 41 | 2.6K | 271 | 354 |
| 472 | Medical Anthropology | 52 | 2.6K | 181 | 188 |
| 473 | Women's health | 98 | 2.6K | 52 | 61 |
| 474 | voice | 111 | 2.6K | 4 | 9 |
| 475 | vascular diseases | 65 | 2.6K | 69 | 125 |
| 476 | Mechanical Engineering | 283 | 2.5K | 51 | 163 |
| 477 | Structural Engineering | 122 | 2.5K | 133 | 195 |
| 478 | global environmental change | 51 | 2.5K | 51 | 86 |
| 479 | Morphology | 272 | 2.5K | 2 | 31 |
| 480 | sanitation | 42 | 2.5K | 315 | 393 |
| 481 | Social Change | 42 | 2.5K | 57 | 73 |
| 482 | Protozoa | 42 | 2.5K | 23 | 24 |
| 483 | feeding behavior | 70 | 2.5K | 32 | 43 |
| 484 | Photonics | 106 | 2.5K | 203 | 362 |
| 485 | Adolescent Medicine | 18 | 2.5K | 142 | 83 |
| 486 | Agronomy | 60 | 2.5K | 52 | 61 |
| 487 | Engineering Mathematics | 154 | 2.5K | 53 | 108 |
| 488 | Industrial Engineering | 115 | 2.5K | 99 | 200 |
| 489 | city planning | 129 | 2.5K | 63 | 130 |
| 490 | plant communities | 64 | 2.5K | 105 | 182 |
| 491 | Genetic recombination | 98 | 2.5K | 30 | 88 |
| 492 | Medical Physics | 120 | 2.5K | 150 | 253 |
| 493 | Bioenergetics | 72 | 2.5K | 50 | 72 |
| 494 | Mass Spectrometry | 118 | 2.4K | 27 | 89 |
| 495 | Gerontology | 152 | 2.4K | 130 | 188 |
| 496 | System analysis | 156 | 2.4K | 79 | 219 |
| 497 | Public Policy | 92 | 2.4K | 121 | 175 |
| 498 | probabilities | 189 | 2.4K | 22 | 52 |
| 499 | Chronobiology | 101 | 2.4K | 1 | 16 |
| 499 | Biogeochemical cycles | 15 | 2.4K | 138 | 78 |
| 499 | biological clocks | 101 | 2.4K | 1 | 16 |
| 499 | circadian rhythm | 101 | 2.4K | 1 | 16 |
| 499 | biological rhythms | 101 | 2.4K | 1 | 16 |
| 504 | Veterinary Pathology | 107 | 2.4K | 4 | 3 |
| 505 | Water Purification | 103 | 2.4K | 21 | 35 |
| 506 | Appetite | 63 | 2.4K | 28 | 38 |
| 507 | Tribology | 77 | 2.4K | 86 | 71 |
| 508 | Malaria | 77 | 2.4K | 34 | 42 |
| 508 | Kidney diseases | 69 | 2.4K | 68 | 78 |
| 510 | Algebra | 321 | 2.4K | 1 | 26 |
| 511 | Electrophysiology | 75 | 2.3K | 74 | 59 |
| 512 | viruses | 59 | 2.3K | 230 | 295 |
| 513 | Lung Transplantation | 42 | 2.3K | 54 | 47 |
| 513 | Heart transplantation | 42 | 2.3K | 54 | 47 |
| 515 | Semiconductors | 237 | 2.3K | 36 | 119 |
| 516 | Computer-Aided Design | 109 | 2.2K | 32 | 85 |
| 517 | Pharmacokinetics | 70 | 2.2K | 21 | 35 |
| 518 | Biodegradation | 84 | 2.2K | 1 | 14 |
| 519 | nuclear magnetic resonance | 101 | 2.2K | 71 | 108 |
| 519 | gene therapy | 55 | 2.2K | 106 | 143 |
| 521 | Plant Morphology | 114 | 2.2K | 4 | 8 |
| 522 | environmental indicators | 69 | 2.1K | 32 | 63 |
| 523 | health planning | 111 | 2.1K | 83 | 139 |
| 524 | Organometallic chemistry | 120 | 2.1K | 56 | 90 |
| 525 | Genetic therapy | 58 | 2.1K | 108 | 142 |
| 526 | Business | 171 | 2.1K | 45 | 494 |
| 527 | Birth control | 25 | 2.1K | 70 | 18 |
| 528 | Regional Planning | 99 | 2.1K | 82 | 171 |
| 529 | Plastics | 63 | 2.1K | 144 | 126 |
| 530 | Molecules | 116 | 2.0K | 95 | 198 |
| 531 | Energy metabolism | 57 | 2.0K | 56 | 85 |
| 532 | Chemical analysis | 56 | 2.0K | 58 | 47 |
| 533 | Nuclear Chemistry | 219 | 2.0K | 9 | 29 |
| 534 | food contamination | 128 | 2.0K | 7 | 20 |
| 535 | Systems Engineering | 67 | 2.0K | 212 | 216 |
| 536 | Informatics | 81 | 2.0K | 9 | 63 |
| 537 | Cell death | 51 | 2.0K | 150 | 268 |
| 538 | Therapeutics | 64 | 2.0K | 237 | 297 |
| 539 | Quality of life | 54 | 2.0K | 128 | 165 |
| 539 | Metals | 62 | 2.0K | 314 | 357 |
| 541 | sports injuries | 57 | 2.0K | 18 | 6 |
| 542 | Neuroimmunology | 56 | 2.0K | 36 | 97 |
| 543 | histological techniques | 41 | 2.0K | 56 | 62 |
| 544 | blood transfusion | 85 | 2.0K | 45 | 49 |
| 545 | Microelectronics | 40 | 2.0K | 390 | 384 |
| 546 | Archaeology | 74 | 2.0K | 166 | 134 |
| 547 | Functional Analysis | 101 | 2.0K | 44 | 69 |
| 547 | Animal Nutrition | 105 | 2.0K | 21 | 39 |
| 549 | Geriatric Psychiatry | 80 | 2.0K | 38 | 71 |
| 550 | Earthquake Engineering | 81 | 2.0K | 167 | 233 |
| 551 | Herbal medicine | 50 | 2.0K | 49 | 39 |
| 552 | Chemical industry | 72 | 2.0K | 104 | 46 |
| 553 | Circadian rhythms | 72 | 1.9K | 4 | 21 |
| 554 | Soil biology | 47 | 1.9K | 128 | 204 |
| 555 | Genes | 58 | 1.9K | 85 | 66 |
| 556 | Biomechanics | 62 | 1.9K | 153 | 209 |
| 557 | Psychoneuroimmunology | 52 | 1.9K | 32 | 89 |
| 557 | Radiobiology | 61 | 1.9K | 178 | 202 |
| 559 | Meteorites | 33 | 1.9K | 258 | 267 |
| 560 | Sarcopenia | 24 | 1.9K | 25 | 17 |
| 561 | Neurotoxicology | 71 | 1.9K | 5 | 15 |
| 562 | Autoimmune diseases | 41 | 1.9K | 43 | 49 |
| 563 | Bacterial infections | 57 | 1.9K | 42 | 170 |
| 564 | Bioremediation | 56 | 1.9K | 9 | 11 |
| 564 | drug evaluation | 79 | 1.9K | 35 | 56 |
| 566 | Invertebrates | 72 | 1.9K | 16 | 23 |
| 567 | China | 98 | 1.9K | 259 | 282 |
| 568 | Climate | 81 | 1.9K | 2 | 44 |
| 568 | weather | 82 | 1.9K | 2 | 19 |
| 570 | Chemotherapy | 57 | 1.9K | 167 | 152 |
| 571 | Immunogenetics | 57 | 1.9K | 35 | 44 |
| 572 | Power Electronics | 26 | 1.9K | 293 | 217 |
| 573 | Quantum electronics | 20 | 1.9K | 567 | 162 |
| 574 | Pituitary gland | 45 | 1.9K | 4 | 5 |
| 575 | Synaptic Transmission | 58 | 1.8K | 16 | 28 |
| 576 | mutation | 45 | 1.8K | 30 | 43 |
| 577 | sustainability | 32 | 1.8K | 89 | 130 |
| 578 | Sonochemistry | 32 | 1.8K | 45 | 47 |
| 579 | Child Development | 93 | 1.8K | 224 | 370 |
| 580 | Radiography | 14 | 1.8K | 281 | 169 |
| 581 | Artificial Organs | 117 | 1.8K | 9 | 22 |
| 582 | Sustainable Engineering | 63 | 1.8K | 160 | 273 |
| 582 | Information Retrieval | 21 | 1.8K | 66 | 40 |
| 584 | Marine Ecology | 114 | 1.8K | 5 | 32 |
| 585 | Numerical Analysis | 152 | 1.8K | 70 | 230 |
| 586 | Crystallography | 174 | 1.8K | 26 | 115 |
| 587 | Glass | 75 | 1.8K | 94 | 152 |
| 588 | machinery | 215 | 1.8K | 1 | 28 |
| 589 | Autoantibodies | 37 | 1.8K | 42 | 44 |
| 590 | Project Management | 25 | 1.8K | 34 | 40 |
| 590 | computer networks | 64 | 1.8K | 335 | 371 |
| 592 | Nonlinear functional analysis | 85 | 1.7K | 30 | 28 |
| 593 | Celestial Mechanics | 74 | 1.7K | 6 | 7 |
| 594 | Transportation | 99 | 1.7K | 164 | 295 |
| 595 | Ceramics | 85 | 1.7K | 115 | 175 |
| 596 | Health Information Management | 5 | 1.7K | 171 | 79 |
| 597 | behavioral medicine | 35 | 1.7K | 254 | 259 |
| 598 | Metallography | 62 | 1.7K | 40 | 36 |
| 599 | Landscape Ecology | 36 | 1.7K | 30 | 45 |
| 600 | Cosmochemistry | 36 | 1.7K | 122 | 103 |
| 601 | Soil ecology | 65 | 1.7K | 30 | 83 |
| 602 | Solar Energy | 54 | 1.7K | 150 | 236 |
| 603 | Computer Science | 131 | 1.7K | 40 | 114 |
| 604 | Human biology | 99 | 1.7K | 9 | 28 |
| 605 | Growth factors | 10 | 1.7K | 57 | 26 |
| 606 | brain mapping | 23 | 1.7K | 160 | 118 |
| 607 | mammals | 111 | 1.7K | 25 | 69 |
| 608 | Primary health care | 77 | 1.7K | 161 | 213 |
| 609 | economic policy | 225 | 1.7K | 33 | 240 |
| 609 | pain management | 99 | 1.7K | 14 | 43 |
| 611 | Evidence-Based Medicine | 22 | 1.6K | 123 | 27 |
| 612 | risk factors | 70 | 1.6K | 30 | 80 |
| 613 | Animal genetics | 79 | 1.6K | 51 | 74 |
| 614 | disease outbreaks | 16 | 1.6K | 151 | 52 |
| 614 | Epidemics | 16 | 1.6K | 148 | 52 |
| 616 | preimplantation genetic diagnosis | 55 | 1.6K | 12 | 9 |
| 616 | embryo transfer | 55 | 1.6K | 14 | 13 |
| 618 | Cytokine | 15 | 1.6K | 72 | 30 |
| 619 | Nephrology | 34 | 1.6K | 90 | 89 |
| 620 | Radiology | 103 | 1.6K | 80 | 105 |
| 620 | Laser therapy | 69 | 1.6K | 8 | 5 |
| 622 | industrial hygiene | 132 | 1.6K | 15 | 26 |
| 623 | Physical organic chemistry | 74 | 1.6K | 69 | 113 |
| 624 | pottery | 67 | 1.6K | 105 | 163 |
| 625 | Technological Innovations | 53 | 1.6K | 39 | 64 |
| 626 | carcinogens | 50 | 1.6K | 80 | 135 |
| 627 | Robotics | 63 | 1.6K | 209 | 265 |
| 627 | Engineering Geology | 73 | 1.6K | 135 | 234 |
| 629 | Gene expression regulation | 78 | 1.5K | 47 | 172 |
| 629 | Learning | 52 | 1.5K | 197 | 283 |
| 631 | Psychiatric Epidemiology | 44 | 1.5K | 33 | 51 |
| 632 | Pharmacogenetics | 60 | 1.5K | 62 | 134 |
| 633 | Heat Exchangers | 61 | 1.5K | 96 | 184 |
| 634 | Serology | 53 | 1.5K | 12 | 16 |
| 635 | cloning | 27 | 1.5K | 85 | 124 |
| 636 | Antibacterial agents | 46 | 1.5K | 24 | 41 |
| 636 | Solitons | 97 | 1.5K | 17 | 57 |
| 636 | Fractals | 97 | 1.5K | 17 | 57 |
| 636 | Chaos | 97 | 1.5K | 17 | 57 |
| 640 | Smart Materials | 58 | 1.5K | 69 | 95 |
| 641 | Oral Medicine | 138 | 1.5K | 4 | 12 |
| 642 | Educational Sociology | 140 | 1.5K | 2 | 4 |
| 643 | mutagens | 44 | 1.5K | 77 | 129 |
| 644 | Digestive system diseases | 68 | 1.5K | 73 | 108 |
| 645 | Solar System | 34 | 1.5K | 191 | 169 |
| 646 | Social Sciences | 160 | 1.5K | 212 | 481 |
| 647 | Plant tissue culture | 51 | 1.5K | 36 | 44 |
| 648 | Plant cell culture | 50 | 1.5K | 24 | 43 |
| 649 | Randomized Controlled Trials | 86 | 1.5K | 59 | 65 |
| 650 | Cerebellum | 30 | 1.5K | 19 | 21 |
| 650 | Cerebellar ataxia | 30 | 1.5K | 19 | 21 |
| 652 | animal diseases | 62 | 1.5K | 23 | 31 |
| 653 | Carcinogenesis | 52 | 1.5K | 79 | 147 |
| 653 | Chronic diseases | 17 | 1.5K | 220 | 187 |
| 655 | Radio | 44 | 1.5K | 300 | 348 |
| 656 | Telecommunication | 70 | 1.5K | 394 | 542 |
| 657 | Land use | 58 | 1.5K | 58 | 120 |
| 657 | Flow cytometry | 42 | 1.5K | 12 | 14 |
| 659 | heredity | 63 | 1.5K | 26 | 42 |
| 660 | Bones | 40 | 1.5K | 102 | 158 |
| 661 | Steroids | 59 | 1.5K | 78 | 106 |
| 662 | Eating Disorders | 49 | 1.4K | 106 | 132 |
| 663 | Japan | 82 | 1.4K | 139 | 130 |
| 664 | Enzyme | 42 | 1.4K | 21 | 36 |
| 665 | Radioisotopes | 117 | 1.4K | 17 | 43 |
| 666 | Food Preservation | 70 | 1.4K | 21 | 25 |
| 667 | drug resistance | 100 | 1.4K | 2 | 37 |
| 668 | Histocompatibility Testing | 60 | 1.4K | 11 | 18 |
| 669 | Aquatic ecology | 54 | 1.4K | 51 | 64 |
| 670 | Homeostasis | 6 | 1.4K | 250 | 258 |
| 671 | Plant breeding | 49 | 1.4K | 66 | 61 |
| 672 | Feeding and Eating Disorders | 48 | 1.4K | 99 | 131 |
| 673 | Political Science | 128 | 1.4K | 147 | 279 |
| 674 | Public Administration | 169 | 1.4K | 31 | 202 |
| 675 | Nuclear Fusion | 62 | 1.4K | 97 | 101 |
| 676 | Nanostructures | 94 | 1.4K | 90 | 447 |
| 676 | solar cells | 27 | 1.4K | 133 | 127 |
| 678 | Ore deposits | 47 | 1.4K | 58 | 78 |
| 679 | Phytotherapy | 41 | 1.4K | 20 | 27 |
| 680 | Fluid Dynamics | 47 | 1.4K | 155 | 166 |
| 681 | Global Health | 59 | 1.4K | 73 | 76 |
| 682 | biomedicine | 23 | 1.4K | 49 | 23 |
| 683 | Clinical Biochemistry | 44 | 1.3K | 132 | 169 |
| 684 | Carbon | 27 | 1.3K | 293 | 356 |
| 685 | Chemical Ecology | 65 | 1.3K | 22 | 78 |
| 686 | Health Services Research | 62 | 1.3K | 207 | 268 |
| 687 | Structural optimization | 55 | 1.3K | 17 | 43 |
| 688 | Educational Technology | 36 | 1.3K | 233 | 194 |
| 689 | Nanochemistry | 63 | 1.3K | 48 | 51 |
| 690 | Radiochemistry | 160 | 1.3K | 16 | 50 |
| 691 | Industrial Safety | 71 | 1.3K | 55 | 121 |
| 692 | rare diseases | 37 | 1.3K | 62 | 70 |
| 693 | locomotion | 56 | 1.3K | 23 | 76 |
| 693 | posture | 56 | 1.3K | 23 | 76 |
| 693 | gait | 56 | 1.3K | 23 | 76 |
| 693 | walking | 56 | 1.3K | 23 | 76 |
| 697 | Geometry | 113 | 1.3K | 34 | 58 |
| 698 | Immunochemistry | 63 | 1.3K | 31 | 89 |
| 699 | vibration | 61 | 1.3K | 102 | 189 |
| 700 | Audiology | 47 | 1.3K | 118 | 135 |
| 701 | Leukemia | 37 | 1.3K | 193 | 277 |
| 702 | Geotechnical Engineering | 29 | 1.3K | 109 | 84 |
| 703 | Andrology | 40 | 1.3K | 44 | 47 |
| 704 | Soil Mechanics | 49 | 1.3K | 190 | 251 |
| 705 | Smoking | 28 | 1.3K | 175 | 137 |
| 706 | Information Technology | 44 | 1.3K | 341 | 470 |
| 706 | Functional foods | 30 | 1.3K | 22 | 11 |
| 708 | Detectors | 52 | 1.2K | 165 | 183 |
| 709 | marketing | 27 | 1.2K | 567 | 540 |
| 710 | Neurons | 9 | 1.2K | 309 | 379 |
| 711 | food industry | 42 | 1.2K | 35 | 23 |
| 712 | atmosphere | 45 | 1.2K | 64 | 78 |
| 713 | Growth | 19 | 1.2K | 407 | 400 |
| 714 | Animal health | 137 | 1.2K | 3 | 14 |
| 715 | polar regions | 45 | 1.2K | 47 | 49 |
| 716 | cosmic rays | 74 | 1.2K | 11 | 18 |
| 717 | Control Theory | 82 | 1.2K | 197 | 318 |
| 718 | Petroleum Engineering | 52 | 1.2K | 98 | 104 |
| 719 | Yeast | 29 | 1.2K | 38 | 43 |
| 720 | older people | 83 | 1.2K | 183 | 194 |
| 721 | Agricultural Science | 9 | 1.2K | 89 | 56 |
| 721 | Plant Taxonomy | 61 | 1.2K | 18 | 40 |
| 721 | Magnetic Materials | 43 | 1.2K | 264 | 276 |
| 724 | Urban Policy | 114 | 1.2K | 6 | 95 |
| 725 | Drying | 47 | 1.2K | 14 | 24 |
| 726 | Plant genetic engineering | 21 | 1.2K | 229 | 190 |
| 726 | Exercise therapy | 94 | 1.2K | 1 | 7 |
| 728 | Pesticides | 79 | 1.2K | 17 | 34 |
| 729 | Zeolites | 38 | 1.2K | 103 | 148 |
| 730 | drug abuse | 37 | 1.2K | 83 | 57 |
| 731 | Birds | 70 | 1.2K | 123 | 162 |
| 732 | Sites | 26 | 1.2K | 106 | 116 |
| 732 | Population | 35 | 1.2K | 113 | 130 |
| 734 | Building | 178 | 1.2K | 4 | 61 |
| 735 | Marine resources | 47 | 1.2K | 32 | 55 |
| 736 | Industry | 18 | 1.2K | 4 | 17 |
| 737 | Edible plants | 28 | 1.2K | 5 | 7 |
| 738 | Crystal growth | 43 | 1.1K | 99 | 146 |
| 739 | Computer Vision | 21 | 1.1K | 319 | 308 |
| 740 | Ecological Genetics | 52 | 1.1K | 13 | 25 |
| 741 | Nanoparticles | 66 | 1.1K | 188 | 449 |
| 741 | Neuromuscular diseases | 48 | 1.1K | 53 | 104 |
| 743 | Coastal zone management | 46 | 1.1K | 25 | 50 |
| 743 | pigments | 47 | 1.1K | 70 | 79 |
| 745 | Plant Genetics | 24 | 1.1K | 143 | 202 |
| 746 | Antigens | 50 | 1.1K | 69 | 111 |
| 747 | Apoptosis | 47 | 1.1K | 5 | 12 |
| 747 | neurotoxins | 47 | 1.1K | 5 | 12 |
| 747 | Neurotoxic agents | 47 | 1.1K | 5 | 12 |
| 747 | Ornithology | 67 | 1.1K | 81 | 119 |
| 747 | world | 35 | 1.1K | 89 | 177 |
| 747 | Nerve regeneration | 47 | 1.1K | 5 | 12 |
| 753 | Pregnancy | 53 | 1.1K | 57 | 91 |
| 754 | pheromones | 47 | 1.1K | 26 | 86 |
| 755 | Quantum theory | 93 | 1.1K | 44 | 150 |
| 756 | software | 42 | 1.1K | 59 | 129 |
| 757 | Cellular senescence | 16 | 1.1K | 21 | 47 |
| 758 | Asthma | 60 | 1.1K | 19 | 48 |
| 758 | Human evolution | 22 | 1.1K | 99 | 100 |
| 760 | Software Engineering | 52 | 1.1K | 103 | 196 |
| 761 | Nanobiotechnology | 13 | 1.1K | 93 | 76 |
| 762 | impact | 23 | 1.1K | 55 | 61 |
| 763 | Dietetics | 52 | 1.1K | 72 | 99 |
| 764 | Liquid Crystals | 97 | 1.1K | 50 | 48 |
| 765 | Mental Health | 99 | 1.1K | 107 | 257 |
| 766 | Hearing | 27 | 1.1K | 165 | 115 |
| 767 | Infrared spectroscopy | 47 | 1.1K | 4 | 6 |
| 768 | Quantum Optics | 52 | 1.1K | 68 | 105 |
| 769 | Hemostasis | 37 | 1.1K | 86 | 84 |
| 770 | Zoonoses | 37 | 1.1K | 8 | 11 |
| 771 | Astrocytes | 12 | 1.1K | 164 | 129 |
| 772 | Dynamics | 129 | 1.1K | 33 | 161 |
| 773 | biopolymers | 30 | 1.1K | 275 | 262 |
| 774 | livestock | 67 | 1.1K | 28 | 38 |
| 774 | electrocatalysis | 42 | 1.1K | 1 | 1 |
| 776 | pharmaceutical industry | 32 | 1.0K | 35 | 21 |
| 777 | health services accessibility | 41 | 1.0K | 128 | 134 |
| 777 | South America | 105 | 1.0K | 2 | 2 |
| 779 | Social behavior | 44 | 1.0K | 188 | 317 |
| 780 | Geriatric Oncology | 38 | 1.0K | 45 | 71 |
| 780 | Biometrics | 68 | 1.0K | 110 | 222 |
| 782 | Laser Spectroscopy | 46 | 1.0K | 65 | 91 |
| 783 | radiative transfer | 75 | 1.0K | 34 | 85 |
| 784 | Cell division | 16 | 1.0K | 59 | 30 |
| 785 | Pediatric Dermatology | 33 | 1.0K | 52 | 30 |
| 785 | Herpetology | 69 | 1.0K | 3 | 3 |
| 787 | Social Psychology | 36 | 995 | 548 | 659 |
| 788 | Human Resources | 5 | 992 | 325 | 83 |
| 789 | Ultrasound | 48 | 989 | 74 | 117 |
| 790 | Organic Geochemistry | 14 | 986 | 111 | 87 |
| 790 | Heart Failure | 26 | 986 | 91 | 118 |
| 790 | Reptiles | 61 | 986 | 3 | 3 |
| 793 | Multiple sclerosis | 43 | 969 | 32 | 23 |
| 794 | Energy Conversion | 23 | 965 | 376 | 575 |
| 795 | Developmental Disabilities | 30 | 958 | 211 | 283 |
| 796 | synthesis | 74 | 957 | 25 | 40 |
| 797 | Development | 33 | 956 | 113 | 200 |
| 798 | Systems Analysis | 48 | 955 | 77 | 115 |
| 799 | Speech Disorders | 36 | 940 | 222 | 260 |
| 800 | supercritical fluids | 37 | 931 | 35 | 66 |
| 801 | Reproductive toxicology | 40 | 928 | 13 | 65 |
| 802 | Endocrine system | 230 | 924 | 3 | 16 |
| 803 | Cardiac electrophysiology | 17 | 921 | 74 | 56 |
| 803 | arrhythmia | 17 | 921 | 74 | 56 |
| 805 | Soft Condensed Matter | 42 | 915 | 213 | 279 |
| 806 | Lipid metabolism | 23 | 913 | 42 | 75 |
| 806 | Lipid | 23 | 913 | 43 | 77 |
| 808 | Cosmology | 57 | 911 | 30 | 126 |
| 809 | Elderly | 71 | 908 | 157 | 110 |
| 810 | soil conservation | 35 | 907 | 49 | 68 |
| 810 | water supply | 22 | 907 | 259 | 281 |
| 812 | freshwater biology | 33 | 906 | 114 | 171 |
| 813 | Orthopedic Surgery | 22 | 905 | 186 | 128 |
| 813 | natural disasters | 35 | 905 | 144 | 257 |
| 815 | eye | 15 | 903 | 32 | 111 |
| 816 | Mental Health Services | 52 | 902 | 156 | 239 |
| 817 | Sound | 43 | 900 | 147 | 161 |
| 818 | Economic Assistance | 27 | 887 | 111 | 191 |
| 818 | cosmetics | 33 | 887 | 1 | 5 |
| 820 | peptides | 53 | 886 | 23 | 49 |
| 821 | Intelligent Transportation Systems | 18 | 882 | 337 | 300 |
| 822 | Product Design | 52 | 880 | 61 | 61 |
| 823 | Econometrics | 56 | 879 | 193 | 337 |
| 823 | Combinatorial chemistry | 16 | 879 | 214 | 211 |
| 825 | Globalization | 30 | 877 | 45 | 65 |
| 826 | Decision making | 48 | 871 | 173 | 343 |
| 827 | Rock Mechanics | 36 | 868 | 183 | 257 |
| 828 | women | 136 | 867 | 4 | 41 |
| 829 | Cerebral cortex | 18 | 865 | 324 | 305 |
| 830 | Entropy | 84 | 856 | 12 | 56 |
| 831 | commerce | 69 | 848 | 79 | 408 |
| 832 | Functional Genomics | 24 | 844 | 27 | 52 |
| 833 | Tourism | 80 | 843 | 129 | 554 |
| 834 | Respiratory system | 23 | 836 | 106 | 109 |
| 835 | Probiotics | 38 | 826 | 3 | 6 |
| 836 | sexual behavior | 42 | 824 | 66 | 147 |
| 837 | Hematopoietic stem cell transplantation | 20 | 823 | 46 | 66 |
| 837 | movement | 49 | 823 | 6 | 35 |
| 839 | Teaching | 129 | 822 | 76 | 376 |
| 840 | solar power | 18 | 820 | 174 | 207 |
| 841 | Hallucinogens | 22 | 819 | 14 | 14 |
| 842 | Multivariate Analysis | 15 | 816 | 157 | 88 |
| 842 | child abuse | 25 | 816 | 182 | 239 |
| 844 | Water Microbiology | 53 | 813 | 6 | 37 |
| 845 | Health Services Administration | 35 | 808 | 139 | 185 |
| 846 | Highway Engineering | 34 | 806 | 42 | 44 |
| 846 | Combinatorial analysis | 48 | 806 | 134 | 106 |
| 848 | Information Systems | 62 | 803 | 66 | 269 |
| 849 | Religion and Psychology | 34 | 799 | 13 | 12 |
| 850 | Philosophy | 184 | 798 | 84 | 232 |
| 851 | Molecular Pharmacology | 23 | 797 | 183 | 256 |
| 852 | cell membrane | 20 | 795 | 174 | 200 |
| 853 | Gastrointestinal diseases | 32 | 789 | 52 | 57 |
| 854 | Marine Biotechnology | 27 | 788 | 9 | 17 |
| 854 | Cognitive Science | 37 | 788 | 292 | 489 |
| 856 | vitamin C | 35 | 780 | 12 | 53 |
| 856 | vitamin E | 35 | 780 | 12 | 53 |
| 858 | Fishery management | 47 | 779 | 98 | 155 |
| 859 | Socioeconomic Factors | 30 | 775 | 99 | 135 |
| 860 | Thorax | 28 | 772 | 88 | 123 |
| 861 | Coral reef biology | 25 | 768 | 50 | 79 |
| 861 | Sedimentary rocks | 31 | 768 | 51 | 126 |
| 863 | Statistical Mechanics | 96 | 767 | 35 | 120 |
| 864 | Spine | 24 | 766 | 166 | 217 |
| 865 | Structural design | 24 | 765 | 156 | 159 |
| 866 | Ferroelectricity | 45 | 763 | 145 | 142 |
| 866 | Fluorescence | 39 | 763 | 8 | 5 |
| 868 | Retina | 10 | 760 | 46 | 123 |
| 869 | Travel | 44 | 752 | 70 | 114 |
| 870 | Nuclear Medicine | 38 | 750 | 178 | 249 |
| 871 | Bacterial diseases | 24 | 749 | 8 | 22 |
| 872 | Long-Term Care | 17 | 748 | 138 | 143 |
| 872 | Long-term care facilities | 17 | 748 | 137 | 143 |
| 874 | Energy Storage | 28 | 747 | 277 | 396 |
| 874 | cardiac catheterization | 73 | 747 | 52 | 105 |
| 876 | atmospheric models | 31 | 744 | 140 | 248 |
| 877 | starch | 17 | 736 | 64 | 41 |
| 878 | international cooperation | 20 | 735 | 126 | 128 |
| 879 | Social policy | 54 | 727 | 74 | 173 |
| 880 | Public opinion | 51 | 726 | 11 | 78 |
| 880 | public opinion polls | 51 | 726 | 2 | 5 |
| 880 | herbicides | 58 | 726 | 9 | 28 |
| 883 | Intelligent Control Systems | 32 | 724 | 121 | 77 |
| 883 | Food preferences | 28 | 724 | 45 | 81 |
| 883 | Amphibians | 49 | 724 | 2 | 4 |
| 886 | Measurement | 49 | 723 | 128 | 256 |
| 887 | Developmental Neurobiology | 37 | 721 | 20 | 68 |
| 888 | drug control | 14 | 715 | 106 | 60 |
| 889 | Radio frequency | 31 | 713 | 80 | 102 |
| 890 | Algal blooms | 15 | 712 | 50 | 79 |
| 890 | Cyanobacteria | 15 | 712 | 50 | 79 |
| 890 | microalgae | 15 | 712 | 50 | 79 |
| 893 | Vision | 16 | 711 | 253 | 229 |
| 894 | social science | 7 | 709 | 71 | 51 |
| 895 | Wireless Communication Systems | 43 | 708 | 538 | 720 |
| 895 | Organ transplantation | 46 | 708 | 30 | 35 |
| 897 | Mechanics | 41 | 704 | 189 | 253 |
| 897 | Africa | 37 | 704 | 238 | 186 |
| 899 | health behavior | 30 | 702 | 187 | 241 |
| 900 | nuclear magnetic resonance spectroscopy | 62 | 700 | 31 | 137 |
| 901 | Psychosomatic Medicine | 27 | 698 | 155 | 256 |
| 902 | Agricultural Engineering | 27 | 694 | 52 | 69 |
| 903 | Organizational change | 48 | 691 | 15 | 136 |
| 904 | Otolaryngology | 23 | 687 | 130 | 118 |
| 905 | Research Design | 34 | 685 | 206 | 354 |
| 905 | biological invasions | 21 | 685 | 98 | 129 |
| 907 | Psychiatric Nursing | 30 | 676 | 83 | 60 |
| 908 | Ecological Engineering | 13 | 673 | 159 | 142 |
| 909 | Fishery resources | 23 | 667 | 96 | 127 |
| 910 | toxicity testing | 31 | 666 | 38 | 81 |
| 911 | Child welfare | 34 | 664 | 213 | 242 |
| 911 | optical devices | 21 | 664 | 60 | 30 |
| 913 | air quality | 23 | 662 | 5 | 5 |
| 914 | Geomagnetism | 22 | 660 | 191 | 185 |
| 914 | Animal husbandry | 21 | 660 | 33 | 36 |
| 916 | Transport | 22 | 656 | 107 | 162 |
| 916 | Sea | 22 | 656 | 90 | 118 |
| 918 | fuel cells | 22 | 654 | 393 | 573 |
| 919 | Multimedia Systems | 55 | 649 | 177 | 381 |
| 920 | Technology Assessment | 30 | 648 | 8 | 57 |
| 921 | Agricultural systems | 29 | 646 | 34 | 85 |
| 922 | Rheology | 23 | 638 | 125 | 139 |
| 923 | Transgenic plants | 17 | 636 | 78 | 95 |
| 924 | Fuzzy systems | 65 | 634 | 95 | 223 |
| 925 | Demography | 8 | 633 | 340 | 179 |
| 926 | Neuroanatomy | 25 | 628 | 5 | 22 |
| 926 | Metallic Glasses | 23 | 628 | 79 | 92 |
| 928 | nuclear astrophysics | 44 | 627 | 29 | 144 |
| 929 | Pharmacogenomics | 24 | 625 | 14 | 43 |
| 929 | History of Medicine | 119 | 625 | 4 | 12 |
| 931 | Economic Thought | 12 | 621 | 80 | 130 |
| 931 | economic conditions | 12 | 621 | 178 | 143 |
| 933 | Magnetic Resonance Imaging | 38 | 617 | 44 | 94 |
| 933 | Organometallic compounds | 27 | 617 | 360 | 428 |
| 935 | soil pollution | 24 | 613 | 43 | 54 |
| 935 | Chemical processes | 40 | 613 | 37 | 84 |
| 937 | Occupational Health | 51 | 612 | 94 | 223 |
| 938 | Ergonomics | 30 | 611 | 226 | 245 |
| 939 | wildlife diseases | 19 | 609 | 9 | 4 |
| 940 | Microwaves | 39 | 604 | 332 | 358 |
| 941 | Cognitive neuroscience | 20 | 602 | 343 | 464 |
| 941 | plant viruses | 31 | 602 | 25 | 52 |
| 943 | Bone diseases | 22 | 601 | 71 | 203 |
| 944 | Nuclear Engineering | 61 | 600 | 227 | 309 |
| 944 | Menopause | 32 | 600 | 31 | 58 |
| 946 | Occupational Therapy | 65 | 595 | 92 | 121 |
| 946 | Mutagenesis | 26 | 595 | 22 | 36 |
| 946 | water resources | 17 | 595 | 55 | 36 |
| 949 | Middle East | 18 | 594 | 258 | 106 |
| 950 | glycoproteins | 18 | 592 | 101 | 131 |
| 950 | Glycoconjugates | 18 | 592 | 101 | 131 |
| 950 | glycolipids | 18 | 592 | 101 | 131 |
| 953 | Molecular Imaging | 24 | 590 | 151 | 232 |
| 954 | Remote Sensing | 43 | 588 | 181 | 301 |
| 954 | recreation | 40 | 588 | 89 | 126 |
| 956 | Risk assessment | 31 | 586 | 26 | 45 |
| 956 | Aerosols | 15 | 586 | 183 | 151 |
| 956 | Egypt | 12 | 586 | 111 | 73 |
| 959 | Health promotion | 25 | 585 | 278 | 311 |
| 959 | Asia | 41 | 585 | 441 | 570 |
| 961 | Veterinary Immunology | 26 | 579 | 65 | 77 |
| 961 | Marine invertebrates | 43 | 579 | 4 | 6 |
| 961 | Drug delivery devices | 9 | 579 | 51 | 52 |
| 964 | Telecommunication Systems | 33 | 578 | 292 | 357 |
| 964 | Trace elements | 12 | 578 | 49 | 41 |
| 966 | Product life cycle | 13 | 575 | 60 | 78 |
| 967 | personality | 22 | 574 | 520 | 679 |
| 967 | eugenics | 26 | 574 | 73 | 100 |
| 969 | Neonatology | 40 | 569 | 38 | 115 |
| 969 | Rock deformation | 14 | 569 | 29 | 26 |
| 971 | Nutritional support | 15 | 567 | 23 | 46 |
| 972 | Graph Theory | 48 | 561 | 70 | 96 |
| 972 | Naval Architecture | 34 | 561 | 69 | 56 |
| 974 | Algorithms | 27 | 559 | 71 | 109 |
| 975 | Multiphase Flow | 21 | 557 | 70 | 112 |
| 976 | Analytical Toxicology | 28 | 556 | 13 | 21 |
| 977 | Imaging systems | 28 | 554 | 72 | 66 |
| 978 | Clinical Psychology | 21 | 553 | 425 | 530 |
| 979 | Post-traumatic stress disorder | 15 | 552 | 271 | 280 |
| 980 | Language Disorders | 22 | 551 | 251 | 233 |
| 981 | NMR | 46 | 549 | 16 | 47 |
| 981 | magnetic resonance | 46 | 549 | 16 | 47 |
| 983 | Geriatric Pharmacology | 6 | 548 | 160 | 47 |
| 984 | women's rights | 15 | 546 | 22 | 9 |
| 984 | Speech | 15 | 546 | 348 | 339 |
| 986 | Solar power plants | 9 | 545 | 65 | 48 |
| 986 | Photovoltaic Cells | 9 | 545 | 65 | 48 |
| 988 | Random graphs | 26 | 544 | 29 | 29 |
| 989 | Paleobiology | 32 | 540 | 24 | 15 |
| 990 | Hemophilia | 29 | 538 | 73 | 89 |
| 991 | embryonic development | 23 | 537 | 45 | 93 |
| 992 | Cryptography | 9 | 536 | 301 | 65 |
| 992 | Tunneling | 15 | 536 | 102 | 133 |
| 992 | underground construction | 15 | 536 | 102 | 133 |
| 995 | Particle Physics | 9 | 535 | 87 | 93 |
| 996 | RNA | 14 | 534 | 172 | 202 |
| 997 | Neuroplasticity | 11 | 533 | 42 | 22 |
| 998 | violence | 20 | 532 | 300 | 360 |
| 999 | Diagnosis | 10 | 524 | 131 | 52 |
| 999 | calcification | 23 | 524 | 93 | 191 |