| 1 | Physics | 1,445 | 161.9K | 282 | 200 |
| 2 | Biology | 1,768 | 136.9K | 159 | 207 |
| 3 | Science | 1,737 | 128.3K | 168 | 220 |
| 4 | Chemistry | 1,036 | 117.3K | 372 | 185 |
| 5 | Molecular Biology | 1,194 | 84.1K | 176 | 162 |
| 6 | Medicine | 1,645 | 76.8K | 175 | 204 |
| 7 | Biochemistry | 1,583 | 73.1K | 219 | 203 |
| 8 | Nuclear Physics | 1,373 | 60.6K | 138 | 110 |
| 9 | Ecology | 959 | 59.2K | 112 | 132 |
| 10 | Natural history | 459 | 56.9K | 116 | 242 |
| 11 | Botany | 724 | 54.4K | 75 | 46 |
| 12 | Australia | 2,542 | 53.1K | 7 | 8 |
| 13 | Research | 1,353 | 45.3K | 147 | 175 |
| 14 | Genetics | 537 | 42.5K | 113 | 122 |
| 15 | Pollution | 450 | 39.3K | 166 | 97 |
| 16 | Materials | 461 | 37.5K | 389 | 218 |
| 17 | Astrophysics | 486 | 35.6K | 274 | 254 |
| 18 | Microbiology | 707 | 35.1K | 213 | 268 |
| 19 | Psychiatry | 835 | 34.3K | 74 | 110 |
| 20 | Quantum Gravity | 647 | 33.9K | 64 | 57 |
| 21 | Human genetics | 172 | 33.6K | 181 | 195 |
| 22 | Public Health | 700 | 32.4K | 119 | 119 |
| 23 | Reproduction | 591 | 32.2K | 9 | 5 |
| 24 | soil microbiology | 397 | 31.4K | 11 | 11 |
| 25 | Endocrinology | 420 | 30.7K | 116 | 95 |
| 26 | Chemical Engineering | 441 | 30.3K | 200 | 117 |
| 27 | Geology | 911 | 30.0K | 34 | 59 |
| 28 | Environment | 445 | 29.8K | 151 | 169 |
| 29 | Nanotechnology | 345 | 27.0K | 337 | 224 |
| 30 | Spectrum analysis | 372 | 26.7K | 255 | 201 |
| 31 | Metabolism | 379 | 26.7K | 93 | 85 |
| 32 | Plant diseases | 470 | 25.9K | 26 | 11 |
| 33 | Plant physiology | 201 | 25.9K | 73 | 22 |
| 34 | Environmental Health | 334 | 25.8K | 219 | 143 |
| 35 | Cell Biology | 305 | 23.9K | 262 | 298 |
| 36 | Cytology | 346 | 23.8K | 270 | 311 |
| 37 | plant molecular biology | 143 | 23.3K | 83 | 39 |
| 38 | Physiology | 535 | 22.3K | 119 | 130 |
| 39 | Medical genetics | 297 | 21.3K | 145 | 134 |
| 40 | Environmental Engineering | 166 | 19.7K | 215 | 103 |
| 41 | Catalysis | 235 | 19.4K | 325 | 178 |
| 42 | Metabolic diseases | 243 | 19.3K | 106 | 106 |
| 43 | Geophysics | 576 | 19.2K | 166 | 186 |
| 44 | Biotechnology | 292 | 19.2K | 335 | 309 |
| 45 | Water | 209 | 18.9K | 94 | 50 |
| 46 | biological evolution | 243 | 18.9K | 59 | 83 |
| 47 | Neurology | 369 | 18.8K | 422 | 430 |
| 48 | Biophysics | 566 | 18.6K | 229 | 241 |
| 49 | Environmental monitoring | 229 | 18.6K | 114 | 44 |
| 50 | Artificial Intelligence | 285 | 18.5K | 106 | 87 |
| 51 | environmental pollution | 278 | 18.4K | 167 | 99 |
| 52 | Nutrition | 419 | 18.4K | 110 | 113 |
| 53 | Soil Science | 243 | 18.2K | 45 | 24 |
| 54 | Virology | 303 | 17.7K | 163 | 278 |
| 55 | Psychology | 756 | 16.9K | 93 | 191 |
| 56 | Geochemistry | 328 | 16.8K | 73 | 79 |
| 57 | Pharmacology | 509 | 15.9K | 240 | 271 |
| 58 | Plant cells | 163 | 15.8K | 68 | 86 |
| 59 | Astronomy | 308 | 15.7K | 318 | 336 |
| 60 | Water pollution | 143 | 15.3K | 182 | 53 |
| 61 | Mental Disorders | 313 | 15.1K | 107 | 129 |
| 62 | Materials Science | 215 | 14.9K | 426 | 278 |
| 63 | Earth Sciences | 454 | 14.7K | 38 | 87 |
| 64 | Oncology | 79 | 14.7K | 280 | 119 |
| 65 | Breeding | 248 | 14.6K | 24 | 17 |
| 66 | Immunology | 284 | 14.6K | 217 | 266 |
| 67 | sanitation | 84 | 14.1K | 176 | 83 |
| 68 | Biochemical Engineering | 220 | 14.0K | 182 | 230 |
| 69 | Epidemiology | 378 | 13.8K | 107 | 135 |
| 70 | Environmental Chemistry | 77 | 13.6K | 165 | 63 |
| 71 | Biocompatible Materials | 220 | 13.4K | 316 | 271 |
| 72 | Hematology | 218 | 13.3K | 290 | 209 |
| 73 | Plants | 175 | 13.3K | 87 | 87 |
| 74 | Viticulture | 234 | 13.3K | 1 | 1 |
| 75 | Nanostructured Materials | 193 | 13.2K | 231 | 133 |
| 76 | Embryology | 123 | 13.2K | 123 | 81 |
| 77 | Soil biology | 179 | 12.8K | 14 | 21 |
| 78 | Evolution | 168 | 12.7K | 95 | 89 |
| 79 | Energy Conversion | 59 | 12.7K | 152 | 75 |
| 80 | Surgery | 140 | 12.6K | 156 | 163 |
| 81 | fertility | 142 | 12.2K | 43 | 22 |
| 82 | Cell differentiation | 101 | 12.1K | 171 | 120 |
| 83 | Agriculture | 159 | 11.8K | 87 | 31 |
| 84 | nanoscience | 114 | 11.8K | 340 | 184 |
| 85 | Cybernetics | 110 | 11.0K | 86 | 32 |
| 86 | fuel cells | 70 | 11.0K | 125 | 51 |
| 87 | Optical materials | 148 | 10.9K | 212 | 131 |
| 88 | Obesity | 231 | 10.6K | 72 | 82 |
| 89 | Optics | 266 | 10.5K | 376 | 194 |
| 90 | Diet | 174 | 10.5K | 98 | 96 |
| 91 | Cancer | 187 | 10.5K | 317 | 312 |
| 92 | Infertility | 101 | 10.4K | 72 | 26 |
| 93 | Molecular Genetics | 215 | 10.3K | 41 | 66 |
| 94 | United States | 225 | 10.1K | 357 | 263 |
| 95 | Biodiversity conservation | 156 | 10.0K | 57 | 120 |
| 96 | Mineralogy | 253 | 9.9K | 21 | 35 |
| 97 | Environmental Policy | 174 | 9.9K | 131 | 145 |
| 98 | Technology | 182 | 9.8K | 264 | 113 |
| 99 | Economics | 466 | 9.8K | 115 | 210 |
| 100 | Automation | 129 | 9.8K | 177 | 123 |
| 101 | Genomics | 211 | 9.6K | 139 | 126 |
| 102 | Brain | 197 | 9.4K | 200 | 191 |
| 103 | Marine Biology | 195 | 9.4K | 144 | 110 |
| 104 | Mental illness | 121 | 9.3K | 150 | 120 |
| 105 | Obstetrics | 252 | 9.1K | 111 | 105 |
| 106 | Signal Processing | 233 | 9.1K | 140 | 174 |
| 107 | Pediatrics | 151 | 9.0K | 199 | 166 |
| 108 | Renewable Energy Sources | 115 | 8.6K | 149 | 166 |
| 109 | Rock Mechanics | 152 | 8.6K | 34 | 23 |
| 110 | Psychophysiology | 181 | 8.1K | 235 | 264 |
| 111 | Structural Engineering | 194 | 8.1K | 59 | 35 |
| 112 | Petrology | 199 | 8.1K | 22 | 41 |
| 113 | Behavior | 162 | 8.1K | 254 | 267 |
| 114 | plant communities | 104 | 8.1K | 34 | 31 |
| 115 | Developmental Biology | 129 | 8.0K | 189 | 210 |
| 116 | Diabetes | 153 | 7.8K | 159 | 195 |
| 117 | Agricultural Chemistry | 129 | 7.8K | 148 | 79 |
| 118 | Image Processing | 140 | 7.7K | 144 | 143 |
| 119 | Engineering | 225 | 7.7K | 182 | 105 |
| 120 | Hydrology | 177 | 7.7K | 118 | 117 |
| 121 | Biomedical Engineering | 245 | 7.6K | 297 | 353 |
| 122 | Building Materials | 89 | 7.6K | 153 | 74 |
| 123 | Neurophysiology | 164 | 7.5K | 280 | 330 |
| 124 | Genetic engineering | 131 | 7.4K | 93 | 77 |
| 125 | Geriatrics | 191 | 7.4K | 203 | 169 |
| 126 | Mathematical Physics | 278 | 7.4K | 99 | 157 |
| 127 | Wildlife conservation | 96 | 7.3K | 53 | 34 |
| 128 | marketing | 133 | 7.3K | 78 | 129 |
| 129 | drug therapy | 189 | 7.2K | 126 | 126 |
| 130 | Engineering Geology | 136 | 7.2K | 54 | 33 |
| 131 | Nervous system | 105 | 7.1K | 256 | 200 |
| 132 | Soil | 23 | 7.0K | 11 | 2 |
| 133 | Biogeochemistry | 68 | 6.9K | 115 | 63 |
| 134 | Earthquake Engineering | 111 | 6.8K | 115 | 56 |
| 135 | Medical Microbiology | 144 | 6.8K | 145 | 188 |
| 136 | Combustion | 122 | 6.8K | 93 | 54 |
| 137 | Ocean Engineering | 125 | 6.7K | 122 | 54 |
| 138 | Composite Materials | 107 | 6.6K | 312 | 217 |
| 139 | Biodiversity | 149 | 6.6K | 72 | 102 |
| 140 | Sleep | 133 | 6.6K | 85 | 71 |
| 141 | Cell death | 48 | 6.6K | 186 | 155 |
| 142 | Toxicology | 157 | 6.5K | 469 | 425 |
| 143 | environmental protection | 134 | 6.4K | 202 | 160 |
| 144 | management | 151 | 6.4K | 267 | 340 |
| 145 | Agronomy | 47 | 6.3K | 63 | 25 |
| 146 | Plant genetic engineering | 67 | 6.3K | 68 | 26 |
| 147 | Molecular evolution | 120 | 6.3K | 60 | 99 |
| 148 | Soil Mechanics | 122 | 6.2K | 60 | 43 |
| 149 | Sleep Disorders | 126 | 6.2K | 87 | 67 |
| 150 | Bioengineering | 122 | 6.1K | 482 | 540 |
| 151 | Economic History | 418 | 6.1K | 34 | 97 |
| 152 | Climate change | 55 | 6.1K | 125 | 162 |
| 153 | Environmental Management | 140 | 6.0K | 125 | 154 |
| 154 | Agricultural Science | 31 | 6.0K | 34 | 4 |
| 155 | Meteorites | 67 | 6.0K | 152 | 112 |
| 156 | Computer Vision | 75 | 6.0K | 87 | 76 |
| 157 | Diabetes mellitus | 105 | 6.0K | 212 | 238 |
| 158 | Asia | 365 | 5.9K | 27 | 34 |
| 159 | Molecular ecology | 84 | 5.9K | 74 | 82 |
| 160 | Health Policy | 144 | 5.9K | 129 | 103 |
| 161 | Eutrophication | 52 | 5.9K | 128 | 164 |
| 162 | human behavior | 94 | 5.9K | 259 | 246 |
| 163 | Population Genetics | 119 | 5.9K | 52 | 81 |
| 164 | Food | 152 | 5.9K | 162 | 169 |
| 165 | Nanoparticles | 74 | 5.9K | 183 | 94 |
| 166 | Cytogenetics | 73 | 5.8K | 171 | 174 |
| 167 | Atmospheric Physics | 164 | 5.8K | 131 | 173 |
| 168 | Zoology | 220 | 5.8K | 82 | 105 |
| 169 | Health Services Research | 147 | 5.8K | 75 | 76 |
| 170 | Vaccines | 158 | 5.7K | 80 | 75 |
| 171 | Colloids | 119 | 5.7K | 522 | 401 |
| 172 | Plant Biotechnology | 47 | 5.7K | 71 | 12 |
| 173 | water supply | 100 | 5.7K | 61 | 61 |
| 174 | Mathematics | 377 | 5.6K | 385 | 346 |
| 175 | medical education | 181 | 5.6K | 102 | 89 |
| 176 | Photonics | 82 | 5.5K | 270 | 200 |
| 177 | United Kingdom | 102 | 5.5K | 109 | 104 |
| 178 | Radiation | 80 | 5.3K | 202 | 51 |
| 179 | alcoholism | 71 | 5.3K | 206 | 92 |
| 180 | Sociology | 142 | 5.3K | 219 | 214 |
| 181 | Bacteriology | 92 | 5.2K | 203 | 216 |
| 182 | Stem cells | 74 | 5.2K | 165 | 89 |
| 183 | drug addiction | 63 | 5.2K | 161 | 73 |
| 184 | China | 151 | 5.2K | 190 | 113 |
| 185 | Ore deposits | 163 | 5.1K | 16 | 14 |
| 186 | Aging | 165 | 5.1K | 205 | 228 |
| 187 | Clinical Pharmacology | 201 | 5.1K | 28 | 38 |
| 188 | gene mapping | 114 | 5.0K | 115 | 186 |
| 189 | Research Design | 76 | 5.0K | 100 | 77 |
| 190 | Cardiovascular system | 70 | 5.0K | 248 | 279 |
| 191 | Clinical Psychology | 81 | 4.9K | 140 | 125 |
| 192 | Chromosome mapping | 111 | 4.9K | 94 | 113 |
| 193 | Computational Biology | 81 | 4.9K | 280 | 275 |
| 194 | Immunity | 45 | 4.9K | 447 | 412 |
| 195 | Genetic regulation | 36 | 4.9K | 199 | 134 |
| 196 | Analytical Chemistry | 117 | 4.8K | 642 | 538 |
| 197 | cosmic rays | 43 | 4.8K | 43 | 5 |
| 198 | Entomology | 243 | 4.7K | 81 | 102 |
| 199 | psychotherapy | 41 | 4.6K | 256 | 124 |
| 200 | Hormones | 117 | 4.6K | 43 | 57 |
| 201 | Medical Laboratory Science | 112 | 4.5K | 130 | 189 |
| 202 | Surface Chemistry | 103 | 4.5K | 574 | 449 |
| 203 | cell physiology | 44 | 4.5K | 282 | 169 |
| 204 | Systems Engineering | 91 | 4.5K | 151 | 76 |
| 205 | Carbon | 41 | 4.5K | 197 | 112 |
| 206 | Radiology | 57 | 4.5K | 200 | 37 |
| 207 | Planets | 87 | 4.4K | 267 | 251 |
| 208 | nucleic acids | 60 | 4.4K | 286 | 339 |
| 209 | Geography | 149 | 4.4K | 128 | 161 |
| 210 | Control Theory | 115 | 4.3K | 124 | 89 |
| 211 | Cosmochemistry | 54 | 4.3K | 70 | 31 |
| 212 | Europe | 155 | 4.3K | 200 | 180 |
| 213 | Parasitology | 161 | 4.3K | 93 | 101 |
| 214 | Anatomy | 96 | 4.3K | 193 | 220 |
| 215 | Robotics | 35 | 4.3K | 382 | 81 |
| 216 | Leukemia | 66 | 4.2K | 134 | 152 |
| 217 | Long-Term Care | 24 | 4.1K | 108 | 35 |
| 217 | Long-term care facilities | 24 | 4.1K | 108 | 35 |
| 219 | Psychopharmacology | 57 | 4.1K | 239 | 201 |
| 220 | genome | 48 | 4.1K | 237 | 263 |
| 221 | Environmental pollutants | 52 | 4.1K | 296 | 111 |
| 222 | Therapeutics | 82 | 4.1K | 193 | 173 |
| 223 | Meteorology | 64 | 4.0K | 400 | 330 |
| 224 | Microbial Ecology | 73 | 4.0K | 321 | 367 |
| 225 | Animal Behavior | 105 | 4.0K | 211 | 257 |
| 226 | personality | 112 | 3.9K | 102 | 176 |
| 227 | arthritis | 86 | 3.8K | 133 | 185 |
| 228 | Social Psychology | 103 | 3.8K | 238 | 293 |
| 229 | Hypertension | 71 | 3.8K | 244 | 321 |
| 230 | Soil ecology | 89 | 3.7K | 19 | 27 |
| 231 | Environmental Law | 38 | 3.7K | 163 | 106 |
| 232 | Neuroimmunology | 69 | 3.6K | 28 | 40 |
| 233 | energy conservation | 69 | 3.6K | 217 | 263 |
| 234 | Organic Geochemistry | 37 | 3.6K | 39 | 21 |
| 235 | pain | 83 | 3.6K | 133 | 174 |
| 236 | Medical Anthropology | 73 | 3.6K | 129 | 144 |
| 237 | Psychoneuroimmunology | 68 | 3.6K | 19 | 36 |
| 238 | drugs | 124 | 3.5K | 102 | 140 |
| 239 | Critical Care Medicine | 92 | 3.5K | 169 | 295 |
| 240 | ecosystem | 51 | 3.5K | 148 | 124 |
| 241 | Energy Policy | 95 | 3.4K | 224 | 343 |
| 242 | Parasitic Diseases | 109 | 3.4K | 103 | 135 |
| 243 | Bones | 60 | 3.4K | 57 | 70 |
| 244 | Conservation Biology | 109 | 3.4K | 32 | 89 |
| 245 | Phylogeny | 86 | 3.4K | 26 | 45 |
| 246 | coal | 86 | 3.4K | 126 | 127 |
| 247 | Pathology | 108 | 3.4K | 248 | 367 |
| 248 | Immunochemistry | 16 | 3.3K | 307 | 15 |
| 249 | Paleontology | 107 | 3.3K | 86 | 67 |
| 250 | Neurochemistry | 73 | 3.3K | 402 | 368 |
| 251 | Agricultural Ecology | 64 | 3.2K | 71 | 95 |
| 252 | Child | 74 | 3.2K | 317 | 215 |
| 253 | Molecular Microbiology | 45 | 3.2K | 126 | 140 |
| 254 | Electronics | 92 | 3.2K | 578 | 436 |
| 255 | Radio | 84 | 3.2K | 200 | 235 |
| 256 | Ethology | 83 | 3.2K | 192 | 254 |
| 257 | Primary health care | 118 | 3.1K | 102 | 102 |
| 258 | Parasites | 103 | 3.1K | 68 | 80 |
| 259 | cloning | 32 | 3.1K | 81 | 61 |
| 260 | Pharmaceutical Chemistry | 96 | 3.1K | 585 | 628 |
| 261 | Detectors | 37 | 3.1K | 247 | 33 |
| 262 | Organometallic compounds | 66 | 3.0K | 82 | 48 |
| 263 | Neuropsychology | 93 | 3.0K | 241 | 282 |
| 264 | Fisheries | 71 | 3.0K | 188 | 145 |
| 265 | Green Chemistry | 54 | 3.0K | 274 | 259 |
| 266 | Geodynamics | 64 | 3.0K | 89 | 84 |
| 267 | Business | 77 | 3.0K | 209 | 337 |
| 268 | Petroleum Engineering | 86 | 3.0K | 76 | 69 |
| 269 | Mining Engineering | 62 | 3.0K | 37 | 31 |
| 270 | Substance Abuse | 95 | 3.0K | 142 | 122 |
| 271 | Statistical physics | 143 | 3.0K | 455 | 538 |
| 272 | Pregnancy | 76 | 3.0K | 28 | 25 |
| 273 | Cosmology | 65 | 2.9K | 22 | 29 |
| 274 | Climatology | 45 | 2.9K | 358 | 273 |
| 275 | Critical Care | 48 | 2.9K | 293 | 342 |
| 276 | health services | 137 | 2.9K | 42 | 62 |
| 277 | Public Policy | 54 | 2.9K | 242 | 133 |
| 278 | Education | 192 | 2.9K | 237 | 351 |
| 279 | Social Sciences | 114 | 2.8K | 278 | 263 |
| 280 | Medical innovations | 14 | 2.8K | 370 | 193 |
| 281 | Oceanography | 55 | 2.8K | 345 | 289 |
| 282 | Environmental Toxicology | 43 | 2.8K | 436 | 291 |
| 283 | Growth | 42 | 2.8K | 220 | 269 |
| 284 | Data Mining | 43 | 2.8K | 182 | 153 |
| 285 | Child Development | 61 | 2.8K | 307 | 282 |
| 286 | Oncogenes | 42 | 2.8K | 239 | 274 |
| 287 | drug development | 14 | 2.8K | 366 | 181 |
| 288 | rehabilitation | 93 | 2.7K | 211 | 254 |
| 289 | Respiration | 75 | 2.7K | 167 | 189 |
| 290 | Mycology | 57 | 2.7K | 211 | 177 |
| 291 | Small Business | 27 | 2.7K | 94 | 97 |
| 292 | Analytical Biochemistry | 42 | 2.7K | 254 | 123 |
| 293 | nuclear astrophysics | 53 | 2.7K | 19 | 19 |
| 294 | Diagnostic Imaging | 46 | 2.7K | 376 | 213 |
| 294 | Quality of life | 65 | 2.7K | 98 | 122 |
| 296 | Health | 85 | 2.7K | 214 | 229 |
| 297 | Adolescent | 68 | 2.7K | 275 | 201 |
| 298 | Nanostructures | 35 | 2.7K | 376 | 279 |
| 299 | Membranes | 74 | 2.6K | 214 | 287 |
| 300 | Insects | 93 | 2.6K | 76 | 97 |
| 301 | Perception | 63 | 2.6K | 310 | 254 |
| 302 | Cardiovascular diseases | 81 | 2.6K | 182 | 166 |
| 303 | health services accessibility | 39 | 2.6K | 138 | 34 |
| 304 | finance | 116 | 2.6K | 155 | 231 |
| 305 | Structural dynamics | 48 | 2.6K | 137 | 123 |
| 306 | Plant Ecology | 69 | 2.6K | 188 | 268 |
| 307 | Nonlinear systems | 77 | 2.6K | 14 | 14 |
| 308 | Nursing | 100 | 2.6K | 109 | 84 |
| 309 | Polymers | 134 | 2.5K | 691 | 884 |
| 309 | world | 32 | 2.5K | 108 | 70 |
| 311 | Recombinant DNA | 67 | 2.5K | 102 | 112 |
| 312 | Mental Health | 76 | 2.5K | 154 | 119 |
| 313 | Wireless Communication Systems | 75 | 2.5K | 333 | 300 |
| 314 | Rheumatology | 78 | 2.5K | 110 | 197 |
| 315 | Organic Chemistry | 82 | 2.5K | 515 | 500 |
| 316 | Clinical Chemistry | 75 | 2.5K | 436 | 500 |
| 317 | Animal breeding | 89 | 2.4K | 46 | 47 |
| 318 | Virulence | 22 | 2.4K | 353 | 261 |
| 319 | Molecular cloning | 67 | 2.4K | 92 | 109 |
| 319 | computer networks | 67 | 2.4K | 315 | 257 |
| 321 | Plant breeding | 58 | 2.4K | 60 | 36 |
| 322 | pollutants | 39 | 2.4K | 313 | 191 |
| 323 | Cognition | 79 | 2.4K | 229 | 272 |
| 324 | Histology | 56 | 2.4K | 282 | 267 |
| 325 | Anthropology | 231 | 2.4K | 59 | 123 |
| 326 | Developmental Genetics | 16 | 2.4K | 202 | 171 |
| 327 | Chromosomes | 42 | 2.4K | 112 | 76 |
| 328 | food technology | 77 | 2.4K | 316 | 324 |
| 329 | Telecommunication | 38 | 2.4K | 677 | 427 |
| 330 | Fluid Dynamics | 89 | 2.4K | 68 | 88 |
| 331 | Neural circuitry | 52 | 2.3K | 238 | 188 |
| 332 | Electrical Engineering | 83 | 2.3K | 556 | 274 |
| 333 | Genetic recombination | 64 | 2.3K | 95 | 113 |
| 334 | environmental indicators | 45 | 2.3K | 79 | 59 |
| 335 | Paleoecology | 65 | 2.3K | 91 | 105 |
| 336 | Developing countries | 82 | 2.3K | 190 | 235 |
| 337 | Paleoclimatology | 66 | 2.3K | 110 | 137 |
| 338 | Evolutionary Computation | 29 | 2.3K | 55 | 73 |
| 339 | preventive medicine | 27 | 2.3K | 289 | 175 |
| 340 | Gerontology | 117 | 2.3K | 170 | 203 |
| 341 | viruses | 45 | 2.2K | 318 | 372 |
| 342 | data collection | 28 | 2.2K | 151 | 135 |
| 343 | Genetic algorithms | 28 | 2.2K | 34 | 64 |
| 344 | Biomass Energy | 37 | 2.2K | 530 | 467 |
| 345 | Soil fertility | 51 | 2.2K | 11 | 17 |
| 346 | Gene expression regulation | 19 | 2.2K | 289 | 182 |
| 347 | Food Microbiology | 45 | 2.2K | 156 | 149 |
| 348 | Chronic diseases | 46 | 2.2K | 96 | 154 |
| 349 | Sustainable Engineering | 41 | 2.2K | 270 | 223 |
| 350 | Psychosomatic Medicine | 49 | 2.2K | 95 | 101 |
| 351 | Statistics | 108 | 2.2K | 317 | 374 |
| 352 | Mass Spectrometry | 107 | 2.1K | 42 | 117 |
| 353 | energy development | 18 | 2.1K | 175 | 144 |
| 354 | Medical Physics | 82 | 2.1K | 260 | 336 |
| 355 | Fracture mechanics | 81 | 2.1K | 138 | 142 |
| 356 | Memory | 56 | 2.1K | 323 | 306 |
| 357 | Pediatric Neurology | 13 | 2.1K | 454 | 290 |
| 358 | Mental Health Services | 157 | 2.1K | 42 | 109 |
| 359 | Antigens | 46 | 2.1K | 95 | 80 |
| 360 | Industrial Engineering | 46 | 2.1K | 294 | 215 |
| 361 | feeding behavior | 40 | 2.0K | 91 | 63 |
| 362 | Paleogeography | 57 | 2.0K | 90 | 110 |
| 363 | Child psychology | 54 | 2.0K | 252 | 311 |
| 364 | mass transfer | 41 | 2.0K | 329 | 254 |
| 365 | Orthopedics | 67 | 2.0K | 236 | 224 |
| 366 | Host-parasite interactions | 28 | 2.0K | 310 | 352 |
| 367 | Appetite | 36 | 2.0K | 70 | 51 |
| 368 | Chemotherapy | 48 | 2.0K | 217 | 155 |
| 369 | Radio waves | 54 | 2.0K | 159 | 154 |
| 370 | Radiography | 25 | 2.0K | 219 | 187 |
| 371 | Bioorganic chemistry | 83 | 2.0K | 353 | 530 |
| 372 | Learning | 32 | 2.0K | 283 | 226 |
| 373 | Sedimentary rocks | 32 | 2.0K | 48 | 25 |
| 374 | infection | 45 | 1.9K | 295 | 262 |
| 375 | clay | 31 | 1.9K | 80 | 48 |
| 376 | proteins | 55 | 1.9K | 329 | 341 |
| 377 | actuators | 51 | 1.9K | 373 | 367 |
| 377 | transducers | 51 | 1.9K | 373 | 367 |
| 379 | Industrial Microbiology | 46 | 1.9K | 256 | 298 |
| 380 | Medical Oncology | 52 | 1.9K | 352 | 387 |
| 381 | Solar Energy | 59 | 1.9K | 137 | 191 |
| 382 | Fluid Mechanics | 49 | 1.9K | 263 | 190 |
| 383 | viral genetics | 5 | 1.9K | 242 | 159 |
| 384 | Parenteral nutrition | 54 | 1.9K | 103 | 186 |
| 385 | soil management | 39 | 1.9K | 56 | 48 |
| 386 | Sedimentology | 46 | 1.9K | 34 | 44 |
| 387 | Africa | 33 | 1.9K | 267 | 50 |
| 388 | Economic Development | 60 | 1.9K | 165 | 261 |
| 389 | Antibodies | 36 | 1.9K | 72 | 64 |
| 390 | Multimedia Systems | 39 | 1.8K | 275 | 124 |
| 391 | vibration | 51 | 1.8K | 128 | 126 |
| 392 | Attention | 45 | 1.8K | 345 | 278 |
| 393 | Immune system | 12 | 1.8K | 470 | 384 |
| 394 | Electrochemistry | 47 | 1.8K | 1183 | 813 |
| 395 | Manufacturing Processes | 34 | 1.8K | 594 | 319 |
| 396 | Software Engineering | 41 | 1.8K | 138 | 124 |
| 397 | Marine Pollution | 29 | 1.8K | 256 | 157 |
| 398 | Electromagnetism | 41 | 1.8K | 142 | 92 |
| 398 | Boundary Value Problems | 41 | 1.8K | 79 | 40 |
| 398 | Antenna Arrays | 41 | 1.8K | 63 | 40 |
| 401 | Nutrition physiology | 34 | 1.8K | 77 | 68 |
| 402 | Energy Storage | 19 | 1.8K | 433 | 187 |
| 403 | International Finance | 60 | 1.8K | 177 | 178 |
| 404 | Middle East | 13 | 1.8K | 322 | 17 |
| 405 | polymerization | 102 | 1.8K | 679 | 894 |
| 406 | Fungi | 43 | 1.8K | 150 | 179 |
| 407 | Light | 18 | 1.8K | 293 | 285 |
| 408 | Biogeography | 53 | 1.8K | 86 | 209 |
| 409 | Neurobiology | 39 | 1.7K | 443 | 520 |
| 410 | Disease | 9 | 1.7K | 115 | 246 |
| 411 | Infections | 25 | 1.7K | 267 | 223 |
| 412 | System analysis | 72 | 1.7K | 242 | 298 |
| 413 | Plant Genetics | 25 | 1.7K | 145 | 134 |
| 413 | Particle Physics | 17 | 1.7K | 22 | 20 |
| 415 | Visual Perception | 43 | 1.7K | 353 | 300 |
| 416 | Political Science | 50 | 1.7K | 309 | 224 |
| 417 | Metals | 29 | 1.7K | 644 | 465 |
| 418 | Nonlinear Dynamics | 82 | 1.7K | 290 | 389 |
| 419 | economic policy | 131 | 1.7K | 111 | 231 |
| 420 | Sustainable Development | 58 | 1.7K | 143 | 308 |
| 421 | Transplantation | 54 | 1.7K | 191 | 290 |
| 421 | Population | 44 | 1.7K | 91 | 91 |
| 423 | Neurotransmitters | 26 | 1.7K | 96 | 42 |
| 424 | Inflammation | 43 | 1.7K | 98 | 147 |
| 425 | Immunotherapy | 44 | 1.6K | 365 | 481 |
| 426 | Genes | 34 | 1.6K | 163 | 90 |
| 427 | toxicity testing | 14 | 1.6K | 188 | 50 |
| 428 | Elementary particles | 12 | 1.6K | 30 | 20 |
| 429 | Transgenic plants | 31 | 1.6K | 50 | 36 |
| 430 | Digestive system diseases | 49 | 1.6K | 130 | 101 |
| 431 | diseases | 5 | 1.6K | 209 | 260 |
| 432 | Dermatology | 21 | 1.6K | 658 | 338 |
| 432 | health behavior | 34 | 1.6K | 187 | 151 |
| 434 | tillage | 22 | 1.6K | 78 | 49 |
| 435 | Information Science | 46 | 1.6K | 408 | 416 |
| 436 | multimedia | 30 | 1.6K | 96 | 68 |
| 436 | Interactive multimedia | 30 | 1.6K | 100 | 68 |
| 438 | Diagnostic microbiology | 31 | 1.6K | 289 | 412 |
| 439 | prostaglandins | 42 | 1.5K | 32 | 28 |
| 440 | Adolescent Medicine | 19 | 1.5K | 160 | 158 |
| 441 | Development | 41 | 1.5K | 84 | 111 |
| 442 | Physical Chemistry | 57 | 1.5K | 377 | 513 |
| 443 | Restoration Ecology | 38 | 1.5K | 22 | 25 |
| 444 | Food Policy | 14 | 1.5K | 82 | 28 |
| 445 | behavioral medicine | 48 | 1.5K | 186 | 281 |
| 446 | Allergy | 32 | 1.5K | 298 | 453 |
| 447 | Reproductive health | 49 | 1.5K | 55 | 59 |
| 447 | enzymes | 30 | 1.5K | 342 | 245 |
| 449 | Adolescent Psychology | 22 | 1.5K | 207 | 129 |
| 450 | Proteome | 32 | 1.5K | 232 | 263 |
| 451 | Food preferences | 33 | 1.5K | 37 | 33 |
| 452 | Animal ecology | 42 | 1.5K | 210 | 222 |
| 453 | economic conditions | 129 | 1.4K | 8 | 69 |
| 454 | Clinical Biochemistry | 47 | 1.4K | 131 | 174 |
| 455 | city planning | 64 | 1.4K | 159 | 211 |
| 456 | Energy Harvesting | 9 | 1.4K | 242 | 154 |
| 457 | natural gas | 33 | 1.4K | 64 | 45 |
| 458 | Community Psychiatry | 31 | 1.4K | 188 | 159 |
| 459 | Thrombosis | 13 | 1.4K | 522 | 233 |
| 460 | Birds | 85 | 1.4K | 109 | 138 |
| 461 | Engineering Mathematics | 85 | 1.4K | 130 | 193 |
| 462 | Bioinformatics | 40 | 1.4K | 437 | 550 |
| 463 | Schizophrenia | 49 | 1.4K | 183 | 269 |
| 464 | Sports Medicine | 40 | 1.3K | 576 | 510 |
| 465 | Steroids | 57 | 1.3K | 96 | 136 |
| 466 | radioactive waste | 16 | 1.3K | 188 | 126 |
| 466 | industrial waste | 16 | 1.3K | 197 | 126 |
| 466 | Hazardous waste | 16 | 1.3K | 249 | 145 |
| 469 | Land use | 46 | 1.3K | 78 | 124 |
| 470 | Recycling | 23 | 1.3K | 96 | 123 |
| 471 | cytokines | 17 | 1.3K | 397 | 180 |
| 472 | occupational diseases | 28 | 1.3K | 143 | 116 |
| 473 | Rural Development | 33 | 1.3K | 43 | 45 |
| 474 | Hydraulic Engineering | 32 | 1.3K | 194 | 132 |
| 475 | risk factors | 41 | 1.3K | 85 | 115 |
| 476 | Business Ethics | 17 | 1.3K | 274 | 242 |
| 477 | Electrophysiology | 40 | 1.3K | 174 | 123 |
| 478 | Neuropsychiatry | 24 | 1.3K | 196 | 125 |
| 479 | Immunopathology | 30 | 1.3K | 339 | 296 |
| 480 | Social behavior | 32 | 1.3K | 238 | 248 |
| 481 | embryonic development | 40 | 1.3K | 19 | 31 |
| 482 | optical devices | 35 | 1.3K | 25 | 9 |
| 483 | Spine | 29 | 1.3K | 161 | 166 |
| 484 | Operations Research | 44 | 1.3K | 447 | 464 |
| 484 | Lipids | 32 | 1.3K | 249 | 326 |
| 486 | Oral Medicine | 37 | 1.3K | 57 | 12 |
| 487 | Geomorphology | 45 | 1.3K | 205 | 320 |
| 487 | Cognitive neuroscience | 16 | 1.3K | 387 | 328 |
| 489 | Tourism | 22 | 1.2K | 430 | 380 |
| 490 | Ophthalmology | 66 | 1.2K | 306 | 475 |
| 491 | Organometallic chemistry | 38 | 1.2K | 352 | 160 |
| 492 | Communication | 51 | 1.2K | 331 | 462 |
| 493 | Regional Planning | 46 | 1.2K | 233 | 263 |
| 494 | Natural resources | 55 | 1.2K | 47 | 137 |
| 495 | energy resources | 29 | 1.2K | 292 | 457 |
| 495 | health planning | 63 | 1.2K | 213 | 265 |
| 497 | Cognitive Science | 29 | 1.2K | 321 | 376 |
| 498 | Endocrine glands | 12 | 1.2K | 74 | 67 |
| 499 | Aquaculture | 43 | 1.2K | 278 | 294 |
| 500 | Ecological Genetics | 58 | 1.2K | 11 | 13 |
| 501 | Genetic therapy | 40 | 1.2K | 182 | 270 |
| 502 | Ergonomics | 33 | 1.2K | 231 | 139 |
| 503 | Porous materials | 18 | 1.2K | 135 | 33 |
| 503 | lasers | 43 | 1.2K | 455 | 357 |
| 505 | Health Education | 60 | 1.2K | 273 | 334 |
| 506 | Liver diseases | 25 | 1.2K | 489 | 605 |
| 507 | Philosophy | 128 | 1.2K | 123 | 151 |
| 508 | Growth factors | 15 | 1.2K | 32 | 49 |
| 509 | industrial relations | 69 | 1.2K | 61 | 79 |
| 510 | Enteral nutrition | 32 | 1.2K | 130 | 213 |
| 511 | mutagens | 18 | 1.2K | 249 | 214 |
| 512 | Psychiatric Epidemiology | 26 | 1.2K | 75 | 80 |
| 513 | Mechanical Engineering | 50 | 1.1K | 480 | 352 |
| 514 | Ornithology | 79 | 1.1K | 75 | 117 |
| 515 | Smoking | 26 | 1.1K | 208 | 173 |
| 516 | Cytokine | 11 | 1.1K | 121 | 62 |
| 517 | Archaeology | 119 | 1.1K | 91 | 209 |
| 517 | freshwater biology | 30 | 1.1K | 128 | 139 |
| 519 | Comparative Physiology | 34 | 1.1K | 109 | 131 |
| 520 | mammals | 43 | 1.1K | 114 | 116 |
| 520 | Economic Assistance | 24 | 1.1K | 129 | 147 |
| 522 | gene therapy | 40 | 1.1K | 163 | 290 |
| 523 | environmental exposure | 34 | 1.1K | 357 | 388 |
| 524 | Drug delivery systems | 13 | 1.1K | 701 | 428 |
| 525 | Environmental Microbiology | 30 | 1.1K | 262 | 432 |
| 526 | Building | 44 | 1.1K | 42 | 46 |
| 527 | Architecture | 54 | 1.1K | 29 | 19 |
| 528 | Water quality management | 37 | 1.1K | 304 | 270 |
| 529 | Hematopoietic stem cell transplantation | 19 | 1.1K | 52 | 39 |
| 530 | Algae | 41 | 1.1K | 97 | 138 |
| 531 | Bioenergetics | 23 | 1.1K | 179 | 173 |
| 531 | Energy metabolism | 22 | 1.1K | 155 | 151 |
| 531 | Travel | 74 | 1.1K | 43 | 89 |
| 534 | Cardiac electrophysiology | 20 | 1.1K | 51 | 36 |
| 534 | arrhythmia | 20 | 1.1K | 51 | 36 |
| 536 | Intelligent Transportation Systems | 24 | 1.0K | 263 | 258 |
| 536 | Quantum electronics | 39 | 1.0K | 347 | 294 |
| 536 | Heat Exchangers | 28 | 1.0K | 254 | 252 |
| 539 | brewing | 24 | 1.0K | 40 | 17 |
| 540 | Suicide | 56 | 1.0K | 28 | 71 |
| 541 | venom | 24 | 1.0K | 119 | 87 |
| 541 | Toxins | 25 | 1.0K | 126 | 92 |
| 543 | Child welfare | 38 | 1.0K | 193 | 152 |
| 544 | Sexual health | 11 | 1.0K | 323 | 112 |
| 544 | Entrepreneurship | 21 | 1.0K | 189 | 312 |
| 546 | Palliative Care | 48 | 1.0K | 94 | 107 |
| 546 | Food additives | 20 | 1.0K | 319 | 267 |
| 548 | Metallurgy | 32 | 1.0K | 690 | 630 |
| 549 | biological factors | 25 | 1.0K | 503 | 409 |
| 550 | Petroleum Geology | 40 | 1.0K | 69 | 107 |
| 551 | Simulation Methods | 41 | 1.0K | 42 | 41 |
| 551 | Decision making | 34 | 1.0K | 231 | 294 |
| 553 | Geometry | 107 | 1.0K | 30 | 67 |
| 554 | Dental Public Health | 35 | 1.0K | 14 | 7 |
| 555 | Randomized Controlled Trials | 41 | 999 | 152 | 104 |
| 556 | Human biology | 39 | 998 | 62 | 55 |
| 557 | Marine Geology | 39 | 992 | 78 | 106 |
| 558 | Psycholinguistics | 22 | 991 | 250 | 234 |
| 559 | Occupational Health | 36 | 981 | 157 | 150 |
| 560 | Computer Graphics | 28 | 978 | 476 | 403 |
| 561 | Post-traumatic stress disorder | 28 | 972 | 159 | 197 |
| 562 | Systems Biology | 40 | 969 | 244 | 307 |
| 563 | Educational Psychology | 31 | 962 | 351 | 376 |
| 564 | Endocrine system | 28 | 955 | 140 | 16 |
| 565 | Pesticides | 24 | 952 | 101 | 54 |
| 566 | Signal Transduction | 20 | 938 | 490 | 532 |
| 567 | mathematical analysis | 58 | 935 | 437 | 380 |
| 568 | Nondestructive testing | 34 | 928 | 71 | 73 |
| 568 | Health promotion | 13 | 928 | 457 | 263 |
| 570 | Insect biochemistry | 16 | 926 | 122 | 86 |
| 571 | Ethnology | 132 | 925 | 45 | 151 |
| 572 | Computer Science | 42 | 924 | 264 | 242 |
| 573 | Genetic Toxicology | 10 | 923 | 156 | 81 |
| 573 | Hemostasis | 5 | 923 | 659 | 110 |
| 573 | Social Change | 18 | 923 | 238 | 267 |
| 576 | Kidney diseases | 28 | 916 | 201 | 204 |
| 577 | soil conservation | 21 | 913 | 119 | 63 |
| 578 | adolescence | 15 | 904 | 334 | 243 |
| 579 | Asthma | 23 | 903 | 115 | 68 |
| 580 | Psychometrics | 16 | 902 | 144 | 124 |
| 581 | cell membrane | 21 | 899 | 155 | 162 |
| 582 | Carcinogenesis | 24 | 886 | 238 | 284 |
| 583 | Discourse Analysis | 13 | 885 | 82 | 29 |
| 584 | Women's health | 36 | 884 | 190 | 204 |
| 585 | Radio wave propagation | 42 | 883 | 78 | 63 |
| 586 | Numerical Analysis | 43 | 881 | 445 | 394 |
| 587 | natural disasters | 18 | 877 | 338 | 255 |
| 588 | biological invasions | 26 | 871 | 69 | 81 |
| 589 | Muscles | 14 | 864 | 333 | 251 |
| 590 | Law | 129 | 860 | 38 | 106 |
| 590 | Jurisprudence | 42 | 860 | 111 | 127 |
| 592 | histological techniques | 20 | 859 | 150 | 197 |
| 593 | sustainability | 20 | 855 | 183 | 265 |
| 593 | Animal genetics | 47 | 855 | 81 | 123 |
| 595 | Computer-Aided Design | 24 | 845 | 274 | 225 |
| 596 | Systems Theory | 42 | 840 | 7 | 4 |
| 597 | Information Theory | 24 | 831 | 397 | 368 |
| 598 | radiative transfer | 26 | 828 | 115 | 94 |
| 598 | mycoses | 9 | 828 | 400 | 357 |
| 600 | Environmental Geology | 28 | 824 | 311 | 343 |
| 601 | Social work | 37 | 819 | 292 | 242 |
| 602 | Stochastic Processes | 33 | 818 | 91 | 65 |
| 603 | clay minerals | 14 | 815 | 68 | 47 |
| 604 | global environmental change | 27 | 807 | 132 | 280 |
| 605 | Biosensors | 19 | 801 | 421 | 533 |
| 606 | Neonatology | 17 | 800 | 145 | 89 |
| 607 | Housing | 27 | 799 | 58 | 79 |
| 607 | animals | 53 | 799 | 110 | 178 |
| 609 | Chronobiology | 25 | 792 | 51 | 47 |
| 609 | Circadian rhythms | 25 | 792 | 33 | 45 |
| 609 | biological clocks | 25 | 792 | 51 | 47 |
| 609 | circadian rhythm | 25 | 792 | 51 | 47 |
| 609 | biological rhythms | 25 | 792 | 51 | 47 |
| 609 | Aquatic ecology | 29 | 792 | 139 | 163 |
| 615 | Socioeconomic Factors | 22 | 790 | 156 | 126 |
| 616 | calcification | 27 | 785 | 77 | 131 |
| 617 | educational planning | 12 | 784 | 108 | 57 |
| 618 | Econometrics | 35 | 783 | 286 | 372 |
| 618 | Electrophoresis | 16 | 783 | 642 | 393 |
| 620 | Fiber Optics | 26 | 780 | 282 | 241 |
| 621 | Geriatric Psychiatry | 19 | 779 | 299 | 225 |
| 622 | Radiobiology | 36 | 777 | 362 | 523 |
| 623 | carcinogens | 12 | 776 | 429 | 308 |
| 624 | Forensic Pathology | 46 | 775 | 2 | 3 |
| 625 | Project Management | 10 | 766 | 94 | 99 |
| 626 | Higher Education | 27 | 765 | 83 | 76 |
| 627 | mutation | 10 | 762 | 255 | 161 |
| 628 | Thorax | 7 | 761 | 272 | 136 |
| 629 | Bipolar Disorder | 12 | 760 | 136 | 118 |
| 629 | embryo transfer | 28 | 760 | 62 | 51 |
| 631 | Molecular structure | 22 | 759 | 798 | 750 |
| 632 | Proteomics | 20 | 758 | 300 | 358 |
| 632 | complementary therapies | 22 | 758 | 368 | 293 |
| 634 | Measurement | 36 | 756 | 192 | 220 |
| 635 | Yeast | 21 | 754 | 63 | 76 |
| 636 | breastfeeding | 23 | 753 | 77 | 57 |
| 637 | industrial hygiene | 30 | 751 | 144 | 77 |
| 638 | Physical Therapy | 18 | 750 | 462 | 411 |
| 639 | Eating Disorders | 20 | 749 | 272 | 243 |
| 640 | Histochemistry | 25 | 748 | 222 | 215 |
| 640 | Biomechanics | 41 | 748 | 238 | 407 |
| 640 | child abuse | 16 | 748 | 273 | 252 |
| 643 | Information Technology | 28 | 746 | 549 | 679 |
| 643 | innovation | 11 | 746 | 220 | 265 |
| 645 | Evidence-Based Medicine | 17 | 740 | 183 | 89 |
| 646 | Horticulture | 28 | 738 | 141 | 96 |
| 647 | Feeding and Eating Disorders | 19 | 736 | 265 | 236 |
| 648 | structural stability | 23 | 735 | 49 | 74 |
| 649 | Biomass | 9 | 731 | 260 | 151 |
| 650 | Bacterial infections | 13 | 730 | 288 | 386 |
| 651 | Alternative Medicine | 18 | 728 | 411 | 295 |
| 652 | Urology | 34 | 727 | 492 | 676 |
| 653 | Dietetics | 37 | 722 | 110 | 145 |
| 653 | agricultural policy | 8 | 722 | 99 | 58 |
| 655 | Clinical Immunology | 22 | 710 | 346 | 350 |
| 656 | Neuromuscular diseases | 10 | 706 | 308 | 178 |
| 657 | Sites | 84 | 698 | 18 | 161 |
| 658 | natural products | 17 | 695 | 644 | 432 |
| 658 | impact | 13 | 695 | 121 | 90 |
| 660 | Developmental Disabilities | 30 | 690 | 222 | 365 |
| 661 | Nephrology | 14 | 688 | 216 | 204 |
| 662 | Geriatric Oncology | 20 | 686 | 140 | 137 |
| 662 | Consciousness | 18 | 686 | 79 | 76 |
| 664 | Biopharmaceutics | 13 | 679 | 442 | 333 |
| 664 | Hemodynamics | 17 | 679 | 242 | 299 |
| 664 | Biogeochemical cycles | 2 | 679 | 512 | 246 |
| 667 | Marine Ecology | 24 | 676 | 166 | 138 |
| 668 | Pharmacogenetics | 25 | 674 | 228 | 328 |
| 669 | Structural health monitoring | 22 | 673 | 19 | 28 |
| 670 | Intellectual disability | 37 | 672 | 147 | 216 |
| 671 | pain management | 32 | 671 | 75 | 119 |
| 671 | older people | 44 | 671 | 298 | 307 |
| 673 | Pacific Islands | 24 | 666 | 28 | 11 |
| 674 | cell interaction | 13 | 663 | 418 | 362 |
| 675 | Quality Control | 23 | 662 | 409 | 427 |
| 675 | Smart Materials | 30 | 662 | 136 | 214 |
| 677 | Microelectronics | 33 | 659 | 513 | 780 |
| 677 | preimplantation genetic diagnosis | 24 | 659 | 69 | 63 |
| 679 | Molecular Pharmacology | 18 | 652 | 214 | 281 |
| 680 | counseling | 34 | 649 | 294 | 364 |
| 681 | hydrocolloids | 7 | 647 | 388 | 292 |
| 682 | Microwaves | 22 | 646 | 512 | 382 |
| 683 | Animal Nutrition | 34 | 645 | 92 | 131 |
| 684 | Medical Technology | 29 | 643 | 312 | 443 |
| 685 | Human evolution | 16 | 642 | 127 | 141 |
| 685 | agricultural productivity | 38 | 642 | 3 | 9 |
| 687 | Food service management | 12 | 641 | 113 | 147 |
| 688 | Bioelectronics | 13 | 640 | 459 | 566 |
| 688 | Japan | 50 | 640 | 267 | 343 |
| 688 | herbicides | 23 | 640 | 37 | 37 |
| 691 | Agricultural Engineering | 15 | 639 | 113 | 80 |
| 692 | sedimentary basins | 16 | 637 | 33 | 40 |
| 693 | Telecommunication Systems | 35 | 636 | 265 | 306 |
| 693 | Experimental Psychology | 16 | 636 | 183 | 185 |
| 695 | Andrology | 18 | 635 | 158 | 117 |
| 696 | Neuropharmacology | 8 | 629 | 329 | 148 |
| 697 | Tunneling | 14 | 627 | 115 | 118 |
| 697 | underground construction | 14 | 627 | 115 | 118 |
| 699 | Global Health | 22 | 625 | 255 | 175 |
| 700 | Feminism | 22 | 624 | 103 | 72 |
| 701 | Photochemistry | 16 | 623 | 610 | 500 |
| 702 | Statistical Mechanics | 13 | 621 | 255 | 145 |
| 702 | Hypertension in pregnancy | 17 | 621 | 24 | 24 |
| 704 | migration policy | 9 | 620 | 56 | 42 |
| 705 | Anti-inflammatory agents | 23 | 617 | 19 | 22 |
| 705 | immigration | 8 | 617 | 56 | 42 |
| 705 | Asylum seeker | 8 | 617 | 47 | 42 |
| 705 | Trace elements | 23 | 617 | 12 | 37 |
| 709 | Sociolinguistics | 16 | 609 | 102 | 70 |
| 710 | Structural design | 28 | 605 | 122 | 193 |
| 711 | Physical organic chemistry | 39 | 603 | 213 | 381 |
| 711 | concrete | 20 | 603 | 283 | 428 |
| 713 | Parallel Processing | 11 | 601 | 200 | 174 |
| 713 | collagen | 13 | 601 | 66 | 115 |
| 715 | Drug design | 13 | 600 | 664 | 515 |
| 716 | soil pollution | 11 | 598 | 140 | 59 |
| 716 | Wine | 15 | 598 | 2 | 2 |
| 718 | Fermentation | 17 | 595 | 68 | 41 |
| 719 | Dentistry | 39 | 594 | 112 | 138 |
| 719 | Coral reef biology | 11 | 594 | 117 | 90 |
| 719 | food handling | 16 | 594 | 230 | 235 |
| 719 | protein | 22 | 594 | 364 | 438 |
| 723 | Chemical Ecology | 12 | 592 | 182 | 144 |
| 723 | Liposomes | 13 | 592 | 164 | 136 |
| 723 | Lipid bilayers | 13 | 592 | 136 | 127 |
| 726 | Adaptive control systems | 16 | 589 | 142 | 59 |
| 726 | pheromones | 11 | 589 | 181 | 140 |
| 728 | Fishery resources | 21 | 587 | 123 | 156 |
| 729 | Physical fitness | 11 | 586 | 460 | 326 |
| 730 | Magnetohydrodynamics | 10 | 581 | 138 | 89 |
| 731 | Respiratory system | 10 | 580 | 261 | 168 |
| 732 | Pharmacy | 25 | 573 | 670 | 793 |
| 733 | Bone diseases | 12 | 572 | 148 | 228 |
| 734 | disabilities | 29 | 566 | 121 | 168 |
| 735 | Cognitive Therapy | 14 | 565 | 210 | 166 |
| 736 | Landscape Ecology | 13 | 562 | 126 | 145 |
| 737 | Sports | 29 | 558 | 579 | 658 |
| 738 | Birth control | 19 | 556 | 105 | 114 |
| 739 | Educational Technology | 26 | 555 | 314 | 422 |
| 739 | Terahertz Technology | 19 | 555 | 13 | 22 |
| 739 | Calorimetry | 11 | 555 | 491 | 170 |
| 739 | Thermal analysis | 11 | 555 | 491 | 170 |
| 743 | Chromatography | 14 | 553 | 697 | 441 |
| 743 | Chromatographic analysis | 15 | 553 | 803 | 510 |
| 745 | Waste management | 20 | 551 | 387 | 316 |
| 746 | rivers | 19 | 550 | 28 | 55 |
| 747 | livestock | 15 | 549 | 158 | 82 |
| 748 | Bioethics | 73 | 548 | 77 | 158 |
| 748 | Transnational corporations | 6 | 548 | 170 | 38 |
| 748 | Environmental risk assessment | 19 | 548 | 48 | 58 |
| 751 | Patient education | 22 | 547 | 166 | 231 |
| 752 | bioclimatology | 16 | 546 | 234 | 204 |
| 753 | Extracellular matrix | 11 | 544 | 75 | 119 |
| 754 | Civil Engineering | 29 | 539 | 313 | 194 |
| 755 | Human Geography | 27 | 534 | 254 | 307 |
| 756 | Agricultural systems | 16 | 532 | 82 | 118 |
| 757 | Hydrogeology | 17 | 531 | 152 | 156 |
| 758 | weather | 16 | 529 | 113 | 109 |
| 759 | Optical Communications | 10 | 527 | 362 | 143 |
| 760 | Forest Management | 13 | 526 | 429 | 394 |
| 761 | Qualitative Research | 22 | 525 | 91 | 126 |
| 761 | Marine resources | 23 | 525 | 99 | 147 |
| 763 | Water Purification | 19 | 524 | 310 | 261 |
| 764 | Crisis Intervention | 29 | 523 | 8 | 26 |
| 765 | Algal blooms | 10 | 520 | 96 | 119 |
| 765 | Cyanobacteria | 10 | 520 | 96 | 119 |
| 765 | Culture | 112 | 520 | 29 | 181 |
| 765 | microalgae | 10 | 520 | 96 | 119 |
| 769 | Ethics | 17 | 518 | 260 | 173 |
| 770 | Public Choice | 7 | 517 | 174 | 78 |
| 770 | Group decision making | 7 | 517 | 244 | 101 |
| 772 | Systems Analysis | 24 | 515 | 233 | 232 |
| 773 | Teaching | 49 | 513 | 237 | 476 |
| 774 | Migration | 20 | 512 | 11 | 7 |
| 775 | Microcirculation | 17 | 511 | 103 | 120 |
| 776 | Geographic information systems | 24 | 508 | 200 | 180 |
| 777 | Mobile Computing | 19 | 507 | 330 | 333 |
| 777 | Magnetic Materials | 17 | 507 | 683 | 606 |
| 779 | Mutagenesis | 10 | 504 | 128 | 60 |
| 780 | Animal husbandry | 11 | 503 | 95 | 49 |
| 780 | Elderly | 38 | 503 | 255 | 210 |
| 782 | Vocational guidance | 11 | 501 | 387 | 372 |
| 783 | Functional Analysis | 26 | 500 | 320 | 303 |
| 783 | miniaturization | 14 | 500 | 861 | 1036 |
| 785 | Blood vessels | 15 | 498 | 76 | 72 |
| 786 | Pharmacokinetics | 8 | 497 | 438 | 289 |
| 787 | Production Engineering | 15 | 493 | 837 | 578 |
| 787 | vascular diseases | 13 | 493 | 279 | 351 |
| 789 | families | 34 | 492 | 144 | 212 |
| 790 | Forest Ecology | 9 | 491 | 580 | 449 |
| 791 | East Asia | 25 | 488 | 76 | 46 |
| 792 | Thermodynamics | 25 | 479 | 238 | 194 |
| 793 | Atomic spectroscopy | 13 | 478 | 481 | 323 |
| 794 | Family | 24 | 476 | 252 | 300 |
| 795 | Medical Ethics | 39 | 475 | 189 | 227 |
| 796 | Rheology | 3 | 474 | 620 | 176 |
| 796 | irrigation | 12 | 474 | 93 | 56 |
| 798 | Taste | 25 | 473 | 22 | 36 |
| 798 | smell | 25 | 473 | 22 | 36 |
| 800 | population geography | 12 | 472 | 95 | 78 |
| 800 | Emotions | 18 | 472 | 166 | 282 |
| 802 | Criminal investigation | 14 | 470 | 28 | 14 |
| 803 | Venture Capital | 7 | 468 | 134 | 249 |
| 804 | Plant tissue culture | 30 | 467 | 93 | 216 |
| 805 | Pharmacognosy | 13 | 466 | 826 | 816 |
| 805 | Demography | 20 | 466 | 152 | 229 |
| 805 | eugenics | 16 | 466 | 132 | 135 |
| 808 | Metastasis | 7 | 465 | 68 | 121 |
| 809 | Dynamics | 26 | 464 | 333 | 343 |
| 809 | Developmental Immunology | 13 | 464 | 181 | 222 |
| 811 | Sales management | 3 | 462 | 222 | 173 |
| 811 | selling | 3 | 462 | 222 | 173 |
| 813 | psychopathology | 20 | 461 | 76 | 145 |
| 814 | Health Services Administration | 15 | 460 | 349 | 339 |
| 814 | Bioinorganic chemistry | 25 | 460 | 363 | 499 |
| 816 | cross-cultural comparison | 32 | 456 | 36 | 84 |
| 817 | Ultrasonics | 22 | 455 | 320 | 501 |
| 817 | commerce | 30 | 455 | 264 | 574 |
| 819 | Bacteria | 10 | 451 | 115 | 176 |
| 820 | Hydrodynamics | 24 | 450 | 127 | 233 |
| 821 | Humanities | 21 | 449 | 389 | 238 |
| 821 | Androgens | 7 | 449 | 120 | 71 |
| 823 | Antibacterial agents | 13 | 446 | 224 | 263 |
| 824 | Urban Policy | 25 | 445 | 133 | 250 |
| 825 | Nanochemistry | 22 | 444 | 255 | 281 |
| 825 | community development | 17 | 444 | 129 | 117 |
| 825 | organization | 7 | 444 | 446 | 425 |
| 828 | Neurosurgery | 8 | 442 | 626 | 459 |
| 828 | Social Networks | 12 | 442 | 56 | 80 |
| 828 | tests | 10 | 442 | 46 | 48 |
| 831 | Linguistics | 20 | 441 | 404 | 409 |
| 832 | Coastal zone management | 17 | 438 | 147 | 183 |
| 833 | Morphology | 21 | 431 | 163 | 183 |
| 833 | Crystallography | 85 | 431 | 148 | 384 |
| 833 | Transport | 20 | 431 | 139 | 246 |
| 836 | Drug delivery devices | 5 | 429 | 136 | 78 |
| 836 | race relations | 9 | 429 | 279 | 152 |
| 838 | Sea | 19 | 428 | 125 | 200 |
| 839 | ethnic groups | 9 | 427 | 139 | 65 |
| 839 | animal diseases | 11 | 427 | 190 | 120 |
| 839 | Microscopy | 24 | 427 | 290 | 436 |
| 839 | brain mapping | 5 | 427 | 516 | 380 |
| 839 | Nonlinear mechanics | 12 | 427 | 116 | 78 |
| 844 | Globalization | 14 | 421 | 144 | 139 |
| 845 | Plant Taxonomy | 22 | 416 | 85 | 108 |
| 846 | food contamination | 17 | 415 | 240 | 236 |
| 847 | Nutritional support | 13 | 414 | 33 | 68 |
| 848 | Cerebral cortex | 10 | 413 | 486 | 518 |
| 849 | Microbial Genetics | 8 | 411 | 154 | 152 |
| 849 | phytopathogenic bacteria | 8 | 411 | 118 | 145 |
| 851 | Remote Sensing | 23 | 410 | 383 | 384 |
| 852 | biocatalysis | 1 | 401 | 356 | 245 |
| 852 | Homogeneous catalysis | 1 | 401 | 356 | 245 |
| 852 | Heterogeneous catalysis | 1 | 401 | 356 | 245 |
| 855 | Mineral resources | 8 | 398 | 251 | 199 |
| 855 | Climate | 12 | 398 | 175 | 224 |
| 857 | Solitons | 9 | 394 | 573 | 358 |
| 857 | Fractals | 9 | 394 | 576 | 359 |
| 857 | Chaos | 9 | 394 | 573 | 358 |
| 857 | disease vectors | 9 | 394 | 487 | 380 |
| 857 | free radicals | 10 | 394 | 766 | 908 |
| 862 | Naval Architecture | 19 | 392 | 94 | 80 |
| 862 | Lightweight concrete | 4 | 392 | 341 | 277 |
| 862 | Personality Assessment | 6 | 392 | 358 | 292 |
| 865 | Seaweed | 13 | 391 | 204 | 261 |
| 866 | Urban Planning | 11 | 390 | 115 | 131 |
| 866 | visualization | 19 | 390 | 521 | 375 |
| 866 | econometric models | 9 | 390 | 229 | 164 |
| 869 | Water Microbiology | 15 | 388 | 65 | 119 |
| 870 | Geriatric Pharmacology | 11 | 382 | 93 | 85 |
| 871 | Greenhouse gases | 8 | 381 | 154 | 161 |
| 872 | Plant cell culture | 18 | 380 | 150 | 265 |
| 873 | Chemical kinetics | 26 | 379 | 92 | 82 |
| 874 | violence | 12 | 373 | 401 | 412 |
| 875 | Kinetics | 27 | 371 | 36 | 96 |
| 875 | Biometrics | 38 | 371 | 215 | 448 |
| 877 | Mechatronics | 9 | 365 | 458 | 358 |
| 877 | Sustainable agriculture | 22 | 365 | 126 | 277 |
| 879 | DNA | 14 | 362 | 152 | 155 |
| 880 | hazard mitigation | 7 | 361 | 504 | 336 |
| 881 | Otolaryngology | 12 | 360 | 236 | 211 |
| 882 | Microorganisms | 12 | 357 | 436 | 708 |
| 883 | History | 53 | 352 | 155 | 95 |
| 884 | Nonlinear functional analysis | 12 | 350 | 429 | 311 |
| 885 | Criminology | 26 | 349 | 244 | 344 |
| 886 | Geothermal Energy | 6 | 348 | 146 | 72 |
| 887 | emergency management | 5 | 347 | 494 | 232 |
| 888 | Turbulence | 9 | 346 | 92 | 51 |
| 888 | civilization | 89 | 346 | 52 | 56 |
| 890 | flavor | 24 | 345 | 13 | 30 |
| 891 | Transportation | 27 | 344 | 473 | 794 |
| 892 | software | 13 | 343 | 374 | 511 |
| 893 | Plant Morphology | 16 | 341 | 108 | 126 |
| 893 | Anxiety Disorders | 9 | 341 | 264 | 383 |
| 893 | traffic safety | 22 | 341 | 38 | 61 |
| 896 | Quantum Optics | 11 | 338 | 392 | 285 |
| 897 | Pharmaceutical Technology | 7 | 337 | 1020 | 746 |
| 897 | probabilities | 27 | 337 | 362 | 366 |
| 899 | bees | 19 | 336 | 79 | 139 |
| 900 | Capital market | 11 | 335 | 132 | 151 |
| 901 | Plastics | 10 | 334 | 931 | 681 |
| 902 | Orthopedic Surgery | 25 | 332 | 159 | 337 |
| 902 | Human-Computer Interaction | 12 | 332 | 664 | 709 |
| 904 | Electronic Packaging | 1 | 330 | 496 | 75 |
| 904 | Reservoirs | 7 | 330 | 73 | 21 |
| 904 | lakes | 7 | 330 | 16 | 4 |
| 904 | technical education | 14 | 330 | 186 | 162 |
| 908 | Geomagnetism | 15 | 329 | 256 | 301 |
| 909 | Geotechnical Engineering | 7 | 328 | 281 | 201 |
| 909 | Veterinary Pathology | 12 | 328 | 105 | 61 |
| 909 | Anxiety | 8 | 328 | 285 | 392 |
| 912 | Magnetic Resonance Spectroscopy | 7 | 326 | 785 | 489 |
| 912 | Tropical Medicine | 28 | 326 | 417 | 710 |
| 912 | environmental issues | 20 | 326 | 56 | 161 |
| 915 | Traffic Engineering | 14 | 325 | 109 | 197 |
| 915 | at-risk youth | 1 | 325 | 169 | 55 |
| 917 | Cryptography | 28 | 321 | 63 | 109 |
| 917 | Surface-Active Agents | 9 | 321 | 547 | 599 |
| 917 | Material Culture | 74 | 321 | 1 | 11 |
| 917 | Surface properties | 9 | 321 | 603 | 661 |
| 917 | internet | 17 | 321 | 561 | 779 |
| 922 | Evolutionary Genetics | 4 | 319 | 574 | 231 |
| 922 | Molecular Epidemiology | 4 | 319 | 574 | 231 |
| 922 | nuclear magnetic resonance | 10 | 319 | 595 | 494 |
| 922 | Brain damage | 9 | 319 | 198 | 191 |
| 926 | land degradation | 10 | 315 | 135 | 171 |
| 926 | particles | 13 | 315 | 334 | 347 |
| 926 | degradation | 10 | 315 | 135 | 171 |
| 929 | Thermochemistry | 13 | 314 | 191 | 177 |
| 930 | Optoelectronics | 4 | 310 | 452 | 64 |
| 931 | Structuralism | 3 | 309 | 139 | 100 |
| 931 | Social policy | 18 | 309 | 272 | 323 |
| 933 | Emergency Nursing | 11 | 308 | 34 | 20 |
| 933 | Indigenous Knowledge | 73 | 308 | 1 | 1 |
| 933 | educational innovations | 10 | 308 | 177 | 191 |
| 936 | Medical Imaging | 11 | 307 | 156 | 156 |
| 936 | Magnetic Resonance Imaging | 11 | 307 | 197 | 219 |
| 936 | drug control | 14 | 307 | 119 | 155 |
| 939 | plasticity | 9 | 305 | 167 | 256 |
| 940 | Risk Management | 12 | 302 | 248 | 284 |
| 941 | Radiation effects | 6 | 301 | 371 | 312 |
| 942 | Ecological Engineering | 7 | 298 | 334 | 344 |
| 942 | Invertebrates | 16 | 298 | 159 | 221 |
| 944 | blood transfusion | 13 | 297 | 316 | 323 |
| 944 | human development | 12 | 297 | 332 | 439 |
| 944 | international cooperation | 8 | 297 | 285 | 251 |
| 947 | Molecular recognition | 7 | 296 | 66 | 43 |
| 947 | Money | 9 | 296 | 90 | 132 |
| 949 | Intelligence | 7 | 295 | 131 | 146 |
| 949 | Environmental Geochemistry | 12 | 295 | 118 | 130 |
| 951 | Crystal growth | 5 | 293 | 836 | 489 |
| 952 | Ideology | 1 | 291 | 146 | 7 |
| 952 | drug resistance | 12 | 291 | 220 | 364 |
| 952 | Human Resources | 5 | 291 | 298 | 253 |
| 952 | Exercise | 8 | 291 | 778 | 590 |
| 956 | Biodegradation | 11 | 289 | 224 | 356 |
| 956 | Fouling | 11 | 289 | 47 | 103 |
| 958 | Marine Meteorology | 4 | 287 | 310 | 221 |
| 959 | Osteoporosis | 9 | 285 | 112 | 127 |
| 959 | research and development | 4 | 285 | 288 | 181 |
| 961 | hospice care | 12 | 284 | 202 | 164 |
| 961 | Minerals | 9 | 284 | 316 | 272 |
| 963 | Condensed Matter | 21 | 283 | 1407 | 1762 |
| 964 | Developmental Psychology | 9 | 282 | 528 | 589 |
| 964 | Laser Spectroscopy | 8 | 282 | 476 | 297 |
| 966 | Neurotoxicology | 10 | 281 | 212 | 299 |
| 966 | Cross-Cultural Studies | 32 | 281 | 59 | 252 |
| 966 | Coding Theory | 26 | 281 | 33 | 55 |
| 969 | Education policy | 13 | 280 | 18 | 25 |
| 970 | machinery | 6 | 279 | 506 | 255 |
| 970 | Egypt | 5 | 279 | 360 | 199 |
| 972 | Auditing | 10 | 276 | 132 | 186 |
| 972 | drug abuse | 9 | 276 | 317 | 285 |
| 972 | drug evaluation | 14 | 276 | 529 | 690 |
| 975 | Fertilization | 10 | 273 | 9 | 19 |
| 975 | gametes | 10 | 273 | 9 | 19 |
| 977 | Intelligent Control Systems | 16 | 272 | 314 | 244 |
| 977 | Feminist psychology | 8 | 272 | 24 | 21 |
| 979 | gene transfer | 7 | 271 | 116 | 97 |
| 979 | genetic transformation | 7 | 271 | 116 | 97 |
| 981 | Power Electronics | 10 | 270 | 624 | 766 |
| 981 | Social welfare | 14 | 270 | 198 | 203 |
| 983 | Community Psychology | 7 | 268 | 325 | 339 |
| 984 | Mechanics | 14 | 262 | 469 | 462 |
| 984 | family violence | 8 | 262 | 218 | 235 |
| 986 | Industrial Safety | 19 | 259 | 299 | 570 |
| 987 | population trends | 6 | 258 | 40 | 92 |
| 987 | biochemical markers | 11 | 258 | 207 | 235 |
| 987 | California | 7 | 258 | 224 | 175 |
| 990 | Information Systems | 10 | 257 | 655 | 711 |
| 990 | Entropy | 7 | 257 | 669 | 337 |
| 992 | Medical Sociology | 13 | 256 | 14 | 14 |
| 993 | Synthetic biology | 4 | 255 | 297 | 165 |
| 993 | Sonochemistry | 8 | 255 | 270 | 471 |
| 993 | baking | 5 | 255 | 147 | 102 |
| 996 | Queuing Theory | 11 | 254 | 52 | 41 |
| 996 | Health Risk Assessment | 10 | 254 | 110 | 110 |
| 998 | Speech Disorders | 17 | 253 | 377 | 543 |
| 999 | Microbial Biotechnology | 4 | 252 | 854 | 480 |
| 999 | Peroxisomes | 2 | 252 | 42 | 9 |