| 1 | Physics | 1,447 | 157.7K | 285 | 208 |
| 2 | Biology | 1,762 | 133.5K | 164 | 215 |
| 3 | Science | 1,731 | 124.8K | 176 | 227 |
| 4 | Chemistry | 1,029 | 113.6K | 384 | 191 |
| 5 | Molecular Biology | 1,186 | 82.0K | 181 | 168 |
| 6 | Medicine | 1,635 | 74.8K | 180 | 204 |
| 7 | Biochemistry | 1,578 | 72.4K | 223 | 205 |
| 8 | Nuclear Physics | 1,363 | 58.1K | 147 | 119 |
| 9 | Ecology | 955 | 57.7K | 120 | 142 |
| 10 | Natural history | 463 | 55.6K | 122 | 250 |
| 11 | Botany | 722 | 53.5K | 77 | 50 |
| 12 | Australia | 2,537 | 52.1K | 7 | 8 |
| 13 | Research | 1,344 | 44.3K | 152 | 178 |
| 14 | Genetics | 535 | 41.7K | 117 | 124 |
| 15 | Pollution | 450 | 37.9K | 167 | 100 |
| 16 | Materials | 458 | 36.2K | 393 | 224 |
| 17 | Astrophysics | 486 | 34.9K | 283 | 259 |
| 18 | Microbiology | 703 | 34.0K | 217 | 277 |
| 19 | Psychiatry | 835 | 33.4K | 72 | 112 |
| 20 | Human genetics | 172 | 32.8K | 183 | 196 |
| 21 | Reproduction | 587 | 31.6K | 9 | 5 |
| 22 | Quantum Gravity | 637 | 31.6K | 70 | 61 |
| 23 | Public Health | 692 | 31.4K | 126 | 120 |
| 24 | soil microbiology | 396 | 30.9K | 11 | 11 |
| 25 | Endocrinology | 417 | 29.7K | 118 | 102 |
| 26 | Geology | 906 | 29.5K | 34 | 63 |
| 27 | Chemical Engineering | 441 | 29.3K | 203 | 119 |
| 28 | Environment | 444 | 29.0K | 158 | 180 |
| 29 | Nanotechnology | 344 | 26.2K | 343 | 232 |
| 30 | Spectrum analysis | 372 | 26.1K | 262 | 206 |
| 31 | Metabolism | 375 | 25.7K | 98 | 87 |
| 32 | Plant diseases | 470 | 25.6K | 26 | 11 |
| 33 | Plant physiology | 202 | 25.3K | 74 | 24 |
| 34 | Environmental Health | 333 | 24.7K | 226 | 150 |
| 35 | Cell Biology | 303 | 23.4K | 268 | 303 |
| 36 | Cytology | 345 | 23.3K | 272 | 314 |
| 37 | plant molecular biology | 144 | 22.8K | 84 | 41 |
| 38 | Physiology | 535 | 22.1K | 126 | 134 |
| 39 | Medical genetics | 295 | 20.6K | 148 | 137 |
| 40 | Environmental Engineering | 166 | 18.9K | 218 | 107 |
| 41 | Biotechnology | 291 | 18.8K | 342 | 317 |
| 42 | Geophysics | 572 | 18.8K | 169 | 188 |
| 43 | Catalysis | 233 | 18.6K | 334 | 184 |
| 44 | biological evolution | 243 | 18.5K | 63 | 85 |
| 45 | Metabolic diseases | 239 | 18.4K | 109 | 114 |
| 46 | Biophysics | 563 | 18.3K | 233 | 247 |
| 47 | Environmental monitoring | 229 | 18.3K | 114 | 44 |
| 48 | Water | 207 | 18.3K | 98 | 56 |
| 49 | Soil Science | 245 | 18.0K | 45 | 25 |
| 50 | environmental pollution | 278 | 18.0K | 174 | 102 |
| 51 | Nutrition | 417 | 17.9K | 111 | 116 |
| 52 | Neurology | 366 | 17.8K | 424 | 443 |
| 53 | Artificial Intelligence | 284 | 17.8K | 107 | 91 |
| 54 | Virology | 302 | 17.5K | 164 | 275 |
| 55 | Psychology | 756 | 16.5K | 96 | 200 |
| 55 | Geochemistry | 329 | 16.5K | 76 | 83 |
| 57 | Pharmacology | 508 | 15.7K | 244 | 275 |
| 58 | Plant cells | 163 | 15.6K | 69 | 89 |
| 59 | Astronomy | 308 | 15.5K | 325 | 339 |
| 60 | Water pollution | 143 | 14.8K | 183 | 59 |
| 61 | Mental Disorders | 311 | 14.5K | 110 | 129 |
| 62 | Oncology | 79 | 14.4K | 283 | 120 |
| 63 | Materials Science | 213 | 14.3K | 441 | 283 |
| 64 | Earth Sciences | 452 | 14.3K | 37 | 95 |
| 65 | Breeding | 247 | 14.3K | 24 | 19 |
| 66 | Immunology | 279 | 14.2K | 220 | 268 |
| 67 | sanitation | 84 | 13.5K | 182 | 86 |
| 68 | Biochemical Engineering | 220 | 13.5K | 184 | 234 |
| 69 | Environmental Chemistry | 77 | 13.2K | 169 | 63 |
| 70 | Biocompatible Materials | 219 | 13.2K | 322 | 276 |
| 71 | Epidemiology | 373 | 13.1K | 112 | 141 |
| 72 | Viticulture | 234 | 13.1K | 1 | 1 |
| 73 | Plants | 175 | 13.0K | 89 | 92 |
| 74 | Hematology | 215 | 13.0K | 297 | 214 |
| 75 | Nanostructured Materials | 191 | 12.9K | 241 | 138 |
| 76 | Embryology | 123 | 12.9K | 122 | 86 |
| 77 | Soil biology | 179 | 12.6K | 15 | 20 |
| 78 | Evolution | 168 | 12.4K | 99 | 93 |
| 79 | Energy Conversion | 59 | 12.2K | 150 | 76 |
| 80 | Surgery | 139 | 12.2K | 160 | 166 |
| 81 | Cell differentiation | 101 | 12.0K | 176 | 123 |
| 82 | fertility | 138 | 12.0K | 47 | 23 |
| 83 | Agriculture | 160 | 11.7K | 90 | 32 |
| 84 | nanoscience | 114 | 11.5K | 342 | 189 |
| 85 | fuel cells | 70 | 10.6K | 130 | 52 |
| 86 | Cybernetics | 108 | 10.5K | 93 | 33 |
| 87 | Obesity | 231 | 10.4K | 75 | 86 |
| 88 | Optical materials | 147 | 10.4K | 213 | 134 |
| 89 | Optics | 266 | 10.3K | 368 | 200 |
| 90 | Diet | 173 | 10.3K | 100 | 101 |
| 91 | Infertility | 101 | 10.2K | 72 | 27 |
| 92 | Molecular Genetics | 215 | 10.2K | 44 | 69 |
| 93 | Cancer | 187 | 10.2K | 320 | 315 |
| 94 | United States | 222 | 9.8K | 362 | 268 |
| 95 | Mineralogy | 253 | 9.7K | 22 | 39 |
| 96 | Biodiversity conservation | 151 | 9.7K | 63 | 123 |
| 97 | Technology | 182 | 9.6K | 272 | 114 |
| 98 | Environmental Policy | 172 | 9.5K | 138 | 146 |
| 99 | Economics | 463 | 9.4K | 122 | 213 |
| 100 | Brain | 197 | 9.3K | 203 | 195 |
| 101 | Genomics | 210 | 9.2K | 144 | 133 |
| 102 | Marine Biology | 192 | 9.2K | 153 | 115 |
| 103 | Automation | 127 | 9.2K | 191 | 131 |
| 104 | Mental illness | 120 | 9.0K | 153 | 121 |
| 105 | Obstetrics | 252 | 9.0K | 114 | 105 |
| 106 | Signal Processing | 232 | 8.8K | 147 | 178 |
| 107 | Pediatrics | 149 | 8.5K | 205 | 174 |
| 108 | Renewable Energy Sources | 115 | 8.3K | 152 | 172 |
| 109 | Rock Mechanics | 152 | 8.3K | 34 | 23 |
| 110 | Petrology | 199 | 8.0K | 21 | 41 |
| 111 | Psychophysiology | 181 | 8.0K | 245 | 264 |
| 112 | plant communities | 104 | 7.9K | 34 | 32 |
| 113 | Structural Engineering | 193 | 7.9K | 60 | 35 |
| 114 | Behavior | 160 | 7.9K | 262 | 270 |
| 115 | Developmental Biology | 125 | 7.8K | 199 | 213 |
| 116 | Agricultural Chemistry | 129 | 7.6K | 153 | 79 |
| 117 | Engineering | 227 | 7.6K | 187 | 109 |
| 118 | Biomedical Engineering | 245 | 7.4K | 302 | 357 |
| 119 | Hydrology | 177 | 7.4K | 121 | 120 |
| 120 | Diabetes | 150 | 7.4K | 160 | 208 |
| 121 | Genetic engineering | 131 | 7.4K | 96 | 77 |
| 122 | Building Materials | 89 | 7.3K | 155 | 73 |
| 123 | Neurophysiology | 164 | 7.3K | 286 | 339 |
| 124 | Image Processing | 139 | 7.3K | 151 | 155 |
| 125 | Mathematical Physics | 277 | 7.2K | 103 | 165 |
| 126 | Geriatrics | 191 | 7.1K | 204 | 172 |
| 127 | Wildlife conservation | 96 | 7.1K | 57 | 35 |
| 128 | marketing | 133 | 7.1K | 82 | 129 |
| 129 | drug therapy | 188 | 7.1K | 131 | 127 |
| 130 | Soil | 25 | 7.0K | 11 | 2 |
| 131 | Engineering Geology | 136 | 6.9K | 53 | 33 |
| 132 | Biogeochemistry | 67 | 6.7K | 124 | 67 |
| 133 | Earthquake Engineering | 111 | 6.7K | 118 | 58 |
| 134 | Medical Microbiology | 141 | 6.6K | 154 | 191 |
| 135 | Combustion | 122 | 6.6K | 98 | 56 |
| 136 | Nervous system | 103 | 6.6K | 266 | 212 |
| 137 | Ocean Engineering | 125 | 6.5K | 124 | 52 |
| 138 | Cell death | 48 | 6.5K | 185 | 155 |
| 139 | Toxicology | 157 | 6.4K | 473 | 427 |
| 140 | Composite Materials | 107 | 6.4K | 317 | 219 |
| 141 | Sleep | 131 | 6.4K | 92 | 73 |
| 142 | Agronomy | 48 | 6.4K | 64 | 26 |
| 143 | Biodiversity | 143 | 6.2K | 78 | 112 |
| 144 | Plant genetic engineering | 68 | 6.2K | 66 | 25 |
| 145 | environmental protection | 133 | 6.2K | 207 | 166 |
| 146 | management | 151 | 6.2K | 271 | 339 |
| 147 | Molecular evolution | 120 | 6.2K | 66 | 104 |
| 148 | Agricultural Science | 32 | 6.1K | 33 | 4 |
| 149 | Bioengineering | 122 | 6.0K | 486 | 540 |
| 150 | Economic History | 417 | 6.0K | 35 | 103 |
| 151 | Sleep Disorders | 124 | 6.0K | 92 | 70 |
| 152 | Soil Mechanics | 122 | 5.9K | 61 | 45 |
| 153 | Meteorites | 67 | 5.9K | 159 | 117 |
| 154 | Climate change | 55 | 5.9K | 127 | 164 |
| 155 | Asia | 366 | 5.9K | 26 | 33 |
| 156 | Molecular ecology | 84 | 5.8K | 75 | 82 |
| 157 | Population Genetics | 115 | 5.8K | 56 | 84 |
| 158 | human behavior | 94 | 5.8K | 267 | 255 |
| 159 | Atmospheric Physics | 164 | 5.8K | 137 | 175 |
| 160 | Environmental Management | 140 | 5.7K | 122 | 159 |
| 161 | Eutrophication | 52 | 5.7K | 130 | 166 |
| 162 | Zoology | 217 | 5.7K | 87 | 108 |
| 163 | Nanoparticles | 74 | 5.7K | 188 | 97 |
| 164 | Health Policy | 143 | 5.7K | 138 | 107 |
| 165 | Food | 152 | 5.7K | 164 | 169 |
| 166 | Diabetes mellitus | 102 | 5.7K | 220 | 242 |
| 167 | Plant Biotechnology | 47 | 5.6K | 71 | 12 |
| 168 | Colloids | 119 | 5.6K | 531 | 411 |
| 169 | Health Services Research | 146 | 5.6K | 78 | 78 |
| 170 | Cytogenetics | 71 | 5.6K | 175 | 178 |
| 171 | Mathematics | 378 | 5.6K | 394 | 353 |
| 172 | Vaccines | 155 | 5.6K | 82 | 78 |
| 173 | Computer Vision | 75 | 5.5K | 91 | 90 |
| 174 | water supply | 100 | 5.5K | 64 | 63 |
| 175 | medical education | 180 | 5.5K | 105 | 93 |
| 176 | United Kingdom | 100 | 5.5K | 114 | 108 |
| 177 | Photonics | 82 | 5.3K | 274 | 201 |
| 178 | Radiation | 80 | 5.3K | 206 | 51 |
| 179 | alcoholism | 71 | 5.2K | 207 | 96 |
| 180 | Bacteriology | 92 | 5.2K | 213 | 221 |
| 181 | Sociology | 142 | 5.1K | 224 | 219 |
| 182 | Stem cells | 71 | 5.1K | 172 | 93 |
| 183 | drug addiction | 63 | 5.1K | 164 | 77 |
| 184 | Clinical Pharmacology | 201 | 5.1K | 28 | 38 |
| 185 | Ore deposits | 163 | 4.9K | 16 | 15 |
| 186 | China | 151 | 4.9K | 190 | 115 |
| 187 | Aging | 164 | 4.9K | 210 | 233 |
| 188 | gene mapping | 113 | 4.9K | 120 | 191 |
| 189 | Genetic regulation | 36 | 4.8K | 200 | 135 |
| 190 | Chromosome mapping | 110 | 4.8K | 100 | 119 |
| 191 | Immunity | 45 | 4.8K | 453 | 419 |
| 192 | Computational Biology | 81 | 4.8K | 286 | 281 |
| 193 | Analytical Chemistry | 116 | 4.7K | 650 | 544 |
| 194 | cosmic rays | 43 | 4.7K | 43 | 5 |
| 195 | Clinical Psychology | 80 | 4.7K | 144 | 130 |
| 196 | Research Design | 76 | 4.7K | 101 | 85 |
| 197 | Entomology | 242 | 4.7K | 86 | 104 |
| 198 | Cardiovascular system | 69 | 4.6K | 253 | 290 |
| 199 | Hormones | 116 | 4.5K | 47 | 60 |
| 200 | psychotherapy | 41 | 4.5K | 262 | 127 |
| 201 | Medical Laboratory Science | 111 | 4.5K | 137 | 197 |
| 202 | cell physiology | 44 | 4.5K | 284 | 172 |
| 203 | Surface Chemistry | 103 | 4.4K | 587 | 462 |
| 204 | Radiology | 57 | 4.4K | 203 | 39 |
| 205 | Carbon | 41 | 4.4K | 200 | 112 |
| 206 | nucleic acids | 60 | 4.4K | 289 | 340 |
| 207 | Meteorology | 62 | 4.3K | 413 | 324 |
| 208 | Systems Engineering | 90 | 4.3K | 154 | 78 |
| 209 | Planets | 87 | 4.3K | 272 | 255 |
| 210 | Geography | 149 | 4.3K | 138 | 166 |
| 211 | Cosmochemistry | 54 | 4.3K | 69 | 33 |
| 212 | Parasitology | 161 | 4.2K | 94 | 102 |
| 213 | Anatomy | 96 | 4.2K | 196 | 225 |
| 214 | Europe | 155 | 4.2K | 200 | 181 |
| 215 | Control Theory | 114 | 4.1K | 133 | 97 |
| 216 | Robotics | 35 | 4.1K | 387 | 85 |
| 217 | Psychopharmacology | 57 | 4.0K | 237 | 201 |
| 218 | Leukemia | 64 | 4.0K | 145 | 156 |
| 219 | Environmental pollutants | 52 | 4.0K | 302 | 110 |
| 220 | Long-Term Care | 22 | 4.0K | 125 | 36 |
| 220 | Long-term care facilities | 22 | 4.0K | 122 | 36 |
| 222 | genome | 48 | 4.0K | 242 | 268 |
| 223 | Therapeutics | 81 | 3.9K | 196 | 174 |
| 224 | personality | 112 | 3.9K | 108 | 180 |
| 225 | Animal Behavior | 105 | 3.9K | 219 | 265 |
| 226 | Microbial Ecology | 72 | 3.9K | 331 | 379 |
| 227 | Social Psychology | 103 | 3.7K | 243 | 296 |
| 228 | Soil ecology | 89 | 3.7K | 19 | 27 |
| 229 | Environmental Law | 38 | 3.6K | 166 | 108 |
| 230 | Organic Geochemistry | 37 | 3.6K | 39 | 22 |
| 231 | energy conservation | 69 | 3.5K | 222 | 265 |
| 232 | pain | 80 | 3.5K | 135 | 175 |
| 233 | arthritis | 84 | 3.5K | 140 | 190 |
| 234 | Medical Anthropology | 73 | 3.5K | 133 | 147 |
| 235 | drugs | 124 | 3.5K | 103 | 139 |
| 236 | Hypertension | 70 | 3.5K | 247 | 337 |
| 237 | Neuroimmunology | 69 | 3.4K | 30 | 44 |
| 238 | ecosystem | 51 | 3.4K | 152 | 127 |
| 239 | Parasitic Diseases | 109 | 3.4K | 104 | 134 |
| 240 | Bones | 59 | 3.4K | 58 | 72 |
| 241 | Psychoneuroimmunology | 68 | 3.3K | 21 | 40 |
| 242 | Phylogeny | 86 | 3.3K | 28 | 49 |
| 243 | Immunochemistry | 16 | 3.3K | 309 | 15 |
| 244 | coal | 86 | 3.3K | 127 | 128 |
| 245 | Critical Care Medicine | 88 | 3.3K | 158 | 283 |
| 246 | Energy Policy | 95 | 3.3K | 228 | 345 |
| 247 | Conservation Biology | 104 | 3.3K | 38 | 96 |
| 248 | Pathology | 107 | 3.3K | 256 | 368 |
| 249 | Molecular Microbiology | 45 | 3.2K | 131 | 144 |
| 250 | Paleontology | 106 | 3.2K | 90 | 71 |
| 251 | Neurochemistry | 73 | 3.2K | 402 | 380 |
| 252 | Agricultural Ecology | 64 | 3.2K | 74 | 95 |
| 253 | Child | 74 | 3.2K | 321 | 221 |
| 254 | Electronics | 92 | 3.1K | 582 | 445 |
| 255 | Parasites | 103 | 3.1K | 69 | 81 |
| 256 | Ethology | 83 | 3.1K | 202 | 259 |
| 256 | Radio | 83 | 3.1K | 210 | 246 |
| 258 | Primary health care | 117 | 3.1K | 108 | 104 |
| 259 | cloning | 30 | 3.0K | 93 | 63 |
| 260 | Pharmaceutical Chemistry | 96 | 3.0K | 586 | 631 |
| 261 | Neuropsychology | 93 | 3.0K | 246 | 283 |
| 262 | Detectors | 37 | 3.0K | 249 | 32 |
| 263 | Geodynamics | 64 | 3.0K | 92 | 88 |
| 264 | Petroleum Engineering | 86 | 2.9K | 76 | 68 |
| 265 | Substance Abuse | 95 | 2.9K | 145 | 121 |
| 266 | Statistical physics | 143 | 2.9K | 464 | 547 |
| 267 | Pregnancy | 76 | 2.9K | 28 | 25 |
| 268 | Green Chemistry | 54 | 2.9K | 273 | 264 |
| 268 | Cosmology | 65 | 2.9K | 25 | 31 |
| 270 | Business | 77 | 2.9K | 211 | 342 |
| 271 | Fisheries | 70 | 2.9K | 196 | 152 |
| 272 | Mining Engineering | 62 | 2.9K | 37 | 33 |
| 273 | Climatology | 45 | 2.9K | 366 | 274 |
| 274 | health services | 136 | 2.8K | 44 | 66 |
| 275 | Organometallic compounds | 65 | 2.8K | 89 | 60 |
| 276 | Public Policy | 54 | 2.8K | 248 | 136 |
| 277 | Social Sciences | 114 | 2.8K | 284 | 268 |
| 278 | Education | 194 | 2.8K | 245 | 358 |
| 279 | Environmental Toxicology | 42 | 2.8K | 450 | 293 |
| 280 | Medical innovations | 14 | 2.8K | 371 | 191 |
| 281 | Growth | 42 | 2.8K | 223 | 276 |
| 282 | Critical Care | 44 | 2.7K | 290 | 325 |
| 283 | Oncogenes | 42 | 2.7K | 243 | 278 |
| 284 | Child Development | 61 | 2.7K | 313 | 284 |
| 285 | Oceanography | 53 | 2.7K | 362 | 296 |
| 286 | Respiration | 75 | 2.7K | 169 | 195 |
| 287 | Analytical Biochemistry | 42 | 2.7K | 257 | 128 |
| 288 | Mycology | 57 | 2.7K | 218 | 175 |
| 289 | drug development | 14 | 2.7K | 367 | 178 |
| 290 | nuclear astrophysics | 53 | 2.7K | 21 | 21 |
| 291 | Membranes | 74 | 2.6K | 219 | 294 |
| 292 | Small Business | 27 | 2.6K | 93 | 96 |
| 293 | rehabilitation | 90 | 2.6K | 216 | 260 |
| 294 | Health | 85 | 2.6K | 217 | 236 |
| 295 | Insects | 91 | 2.6K | 80 | 98 |
| 296 | Perception | 63 | 2.6K | 315 | 264 |
| 297 | Data Mining | 42 | 2.6K | 194 | 161 |
| 298 | Adolescent | 68 | 2.6K | 275 | 205 |
| 299 | Quality of life | 62 | 2.6K | 112 | 127 |
| 300 | health services accessibility | 39 | 2.6K | 143 | 35 |
| 301 | Nanostructures | 35 | 2.5K | 380 | 292 |
| 302 | Recombinant DNA | 67 | 2.5K | 105 | 119 |
| 303 | Cardiovascular diseases | 81 | 2.5K | 185 | 170 |
| 304 | Nonlinear systems | 77 | 2.5K | 14 | 14 |
| 305 | Structural dynamics | 48 | 2.5K | 140 | 125 |
| 306 | world | 32 | 2.5K | 110 | 73 |
| 307 | Polymers | 134 | 2.5K | 699 | 886 |
| 308 | Nursing | 100 | 2.5K | 109 | 82 |
| 309 | Plant Ecology | 69 | 2.5K | 192 | 275 |
| 310 | Organic Chemistry | 82 | 2.4K | 529 | 509 |
| 311 | finance | 118 | 2.4K | 154 | 243 |
| 312 | Plant breeding | 58 | 2.4K | 62 | 36 |
| 313 | Clinical Chemistry | 75 | 2.4K | 437 | 505 |
| 314 | Molecular cloning | 66 | 2.4K | 95 | 115 |
| 315 | Mental Health | 77 | 2.4K | 156 | 122 |
| 316 | Animal breeding | 89 | 2.4K | 45 | 47 |
| 317 | Wireless Communication Systems | 75 | 2.4K | 342 | 310 |
| 318 | pollutants | 39 | 2.4K | 318 | 196 |
| 319 | Diagnostic Imaging | 46 | 2.4K | 379 | 246 |
| 319 | Chromosomes | 42 | 2.4K | 117 | 81 |
| 321 | Virulence | 23 | 2.4K | 348 | 268 |
| 322 | Anthropology | 229 | 2.4K | 60 | 122 |
| 322 | Histology | 56 | 2.4K | 285 | 267 |
| 324 | Developmental Genetics | 16 | 2.4K | 203 | 173 |
| 325 | Rheumatology | 78 | 2.4K | 110 | 200 |
| 326 | Cognition | 79 | 2.4K | 233 | 277 |
| 327 | computer networks | 67 | 2.4K | 328 | 269 |
| 328 | Fluid Dynamics | 89 | 2.3K | 75 | 93 |
| 328 | Telecommunication | 38 | 2.3K | 692 | 427 |
| 330 | Genetic recombination | 64 | 2.3K | 98 | 118 |
| 331 | Neural circuitry | 52 | 2.3K | 241 | 188 |
| 332 | food technology | 77 | 2.3K | 317 | 324 |
| 333 | Electrical Engineering | 82 | 2.3K | 575 | 284 |
| 334 | Paleoecology | 64 | 2.2K | 94 | 109 |
| 335 | Paleoclimatology | 66 | 2.2K | 110 | 144 |
| 336 | environmental indicators | 45 | 2.2K | 78 | 60 |
| 337 | Developing countries | 81 | 2.2K | 202 | 245 |
| 338 | Evolutionary Computation | 29 | 2.2K | 55 | 74 |
| 339 | viruses | 45 | 2.2K | 322 | 375 |
| 340 | Gene expression regulation | 19 | 2.2K | 287 | 181 |
| 341 | preventive medicine | 26 | 2.2K | 300 | 182 |
| 342 | Soil fertility | 51 | 2.2K | 11 | 17 |
| 343 | Gerontology | 117 | 2.2K | 175 | 202 |
| 344 | Biomass Energy | 37 | 2.2K | 539 | 468 |
| 345 | Food Microbiology | 45 | 2.2K | 160 | 152 |
| 346 | Genetic algorithms | 28 | 2.2K | 35 | 64 |
| 347 | Mass Spectrometry | 107 | 2.1K | 43 | 119 |
| 348 | Sustainable Engineering | 41 | 2.1K | 269 | 223 |
| 348 | Medical Physics | 82 | 2.1K | 263 | 336 |
| 350 | data collection | 28 | 2.1K | 156 | 136 |
| 351 | energy development | 18 | 2.1K | 179 | 147 |
| 352 | Fracture mechanics | 81 | 2.1K | 140 | 146 |
| 353 | Memory | 56 | 2.1K | 325 | 308 |
| 354 | Psychosomatic Medicine | 48 | 2.1K | 96 | 105 |
| 355 | Antigens | 45 | 2.0K | 101 | 82 |
| 356 | Mental Health Services | 158 | 2.0K | 43 | 110 |
| 357 | Paleogeography | 57 | 2.0K | 91 | 115 |
| 358 | Orthopedics | 70 | 2.0K | 222 | 225 |
| 359 | feeding behavior | 40 | 2.0K | 94 | 65 |
| 360 | mass transfer | 41 | 2.0K | 337 | 256 |
| 361 | Host-parasite interactions | 28 | 2.0K | 313 | 352 |
| 362 | Child psychology | 54 | 2.0K | 256 | 311 |
| 362 | Chronic diseases | 46 | 2.0K | 98 | 164 |
| 364 | Statistics | 110 | 2.0K | 317 | 395 |
| 365 | Appetite | 36 | 1.9K | 73 | 52 |
| 366 | Bioorganic chemistry | 83 | 1.9K | 364 | 533 |
| 367 | Chemotherapy | 47 | 1.9K | 221 | 162 |
| 368 | Industrial Engineering | 46 | 1.9K | 294 | 229 |
| 369 | Sedimentary rocks | 32 | 1.9K | 49 | 25 |
| 370 | Learning | 32 | 1.9K | 291 | 228 |
| 371 | Radio waves | 54 | 1.9K | 167 | 162 |
| 372 | clay | 31 | 1.9K | 81 | 49 |
| 372 | proteins | 55 | 1.9K | 331 | 346 |
| 374 | actuators | 51 | 1.9K | 380 | 374 |
| 374 | transducers | 51 | 1.9K | 380 | 374 |
| 376 | Industrial Microbiology | 46 | 1.9K | 261 | 299 |
| 377 | viral genetics | 5 | 1.9K | 241 | 159 |
| 378 | infection | 46 | 1.9K | 290 | 265 |
| 379 | Fluid Mechanics | 49 | 1.9K | 269 | 191 |
| 380 | Medical Oncology | 52 | 1.9K | 355 | 389 |
| 381 | Sedimentology | 46 | 1.9K | 34 | 44 |
| 382 | Radiography | 25 | 1.9K | 221 | 191 |
| 383 | soil management | 39 | 1.9K | 56 | 47 |
| 384 | Solar Energy | 59 | 1.8K | 140 | 198 |
| 385 | Antibodies | 35 | 1.8K | 81 | 65 |
| 385 | Africa | 33 | 1.8K | 267 | 50 |
| 387 | Parenteral nutrition | 54 | 1.8K | 104 | 185 |
| 388 | Attention | 45 | 1.8K | 349 | 283 |
| 389 | vibration | 51 | 1.8K | 132 | 128 |
| 390 | Electrochemistry | 47 | 1.8K | 1193 | 819 |
| 391 | Economic Development | 59 | 1.8K | 176 | 274 |
| 392 | Manufacturing Processes | 34 | 1.8K | 609 | 326 |
| 393 | Multimedia Systems | 39 | 1.8K | 286 | 129 |
| 394 | Nutrition physiology | 34 | 1.8K | 77 | 74 |
| 395 | Immune system | 12 | 1.8K | 467 | 391 |
| 396 | Marine Pollution | 29 | 1.8K | 257 | 162 |
| 397 | Fungi | 43 | 1.8K | 153 | 178 |
| 398 | polymerization | 102 | 1.8K | 686 | 895 |
| 399 | International Finance | 60 | 1.7K | 180 | 181 |
| 400 | Electromagnetism | 41 | 1.7K | 143 | 98 |
| 400 | Boundary Value Problems | 41 | 1.7K | 79 | 42 |
| 400 | Antenna Arrays | 41 | 1.7K | 63 | 42 |
| 403 | Software Engineering | 41 | 1.7K | 148 | 139 |
| 404 | Energy Storage | 19 | 1.7K | 434 | 189 |
| 405 | Middle East | 13 | 1.7K | 325 | 17 |
| 406 | Light | 18 | 1.7K | 297 | 292 |
| 407 | Biogeography | 53 | 1.7K | 89 | 214 |
| 408 | Neurobiology | 39 | 1.7K | 447 | 530 |
| 409 | Particle Physics | 17 | 1.7K | 23 | 20 |
| 410 | System analysis | 72 | 1.7K | 251 | 300 |
| 411 | Disease | 9 | 1.7K | 117 | 246 |
| 412 | Plant Genetics | 26 | 1.7K | 145 | 136 |
| 413 | Visual Perception | 43 | 1.7K | 357 | 301 |
| 414 | Political Science | 50 | 1.6K | 313 | 226 |
| 415 | Nonlinear Dynamics | 82 | 1.6K | 296 | 395 |
| 415 | Transplantation | 54 | 1.6K | 191 | 290 |
| 417 | Infections | 26 | 1.6K | 257 | 225 |
| 418 | Population | 44 | 1.6K | 93 | 94 |
| 419 | Metals | 29 | 1.6K | 652 | 467 |
| 420 | toxicity testing | 14 | 1.6K | 192 | 49 |
| 421 | Transgenic plants | 31 | 1.6K | 50 | 37 |
| 422 | Inflammation | 43 | 1.6K | 100 | 152 |
| 423 | Elementary particles | 12 | 1.6K | 30 | 18 |
| 424 | Genes | 34 | 1.6K | 165 | 94 |
| 425 | Digestive system diseases | 49 | 1.6K | 133 | 103 |
| 426 | Neurotransmitters | 27 | 1.6K | 92 | 43 |
| 427 | economic policy | 130 | 1.6K | 112 | 241 |
| 428 | Pediatric Neurology | 12 | 1.6K | 477 | 357 |
| 429 | Dermatology | 21 | 1.6K | 664 | 333 |
| 430 | health behavior | 34 | 1.6K | 188 | 152 |
| 431 | tillage | 22 | 1.6K | 78 | 49 |
| 432 | Information Science | 46 | 1.5K | 412 | 426 |
| 433 | diseases | 5 | 1.5K | 208 | 261 |
| 434 | Sustainable Development | 57 | 1.5K | 148 | 319 |
| 435 | Immunotherapy | 41 | 1.5K | 386 | 493 |
| 436 | Diagnostic microbiology | 31 | 1.5K | 296 | 420 |
| 437 | multimedia | 30 | 1.5K | 99 | 72 |
| 437 | Interactive multimedia | 30 | 1.5K | 104 | 72 |
| 439 | Physical Chemistry | 57 | 1.5K | 382 | 521 |
| 440 | Food Policy | 14 | 1.5K | 83 | 27 |
| 441 | Adolescent Medicine | 19 | 1.5K | 154 | 156 |
| 442 | Development | 37 | 1.5K | 100 | 118 |
| 443 | enzymes | 30 | 1.5K | 347 | 250 |
| 444 | prostaglandins | 41 | 1.5K | 32 | 31 |
| 445 | Proteome | 32 | 1.4K | 239 | 270 |
| 446 | Reproductive health | 49 | 1.4K | 56 | 59 |
| 447 | Adolescent Psychology | 22 | 1.4K | 210 | 129 |
| 448 | Restoration Ecology | 38 | 1.4K | 24 | 29 |
| 449 | Animal ecology | 42 | 1.4K | 217 | 228 |
| 450 | behavioral medicine | 46 | 1.4K | 197 | 289 |
| 450 | economic conditions | 129 | 1.4K | 8 | 73 |
| 452 | Allergy | 29 | 1.4K | 327 | 461 |
| 453 | Food preferences | 33 | 1.4K | 37 | 34 |
| 454 | Clinical Biochemistry | 47 | 1.4K | 138 | 175 |
| 455 | city planning | 64 | 1.4K | 164 | 213 |
| 456 | Birds | 86 | 1.4K | 111 | 146 |
| 457 | natural gas | 33 | 1.4K | 64 | 46 |
| 458 | Thrombosis | 13 | 1.4K | 519 | 237 |
| 459 | Community Psychiatry | 30 | 1.3K | 194 | 163 |
| 460 | Energy Harvesting | 9 | 1.3K | 245 | 158 |
| 461 | Engineering Mathematics | 85 | 1.3K | 135 | 199 |
| 462 | Steroids | 57 | 1.3K | 99 | 143 |
| 463 | Schizophrenia | 49 | 1.3K | 185 | 274 |
| 464 | Sports Medicine | 40 | 1.3K | 575 | 510 |
| 465 | cytokines | 17 | 1.3K | 400 | 180 |
| 466 | occupational diseases | 28 | 1.3K | 147 | 121 |
| 467 | Bioinformatics | 40 | 1.3K | 440 | 562 |
| 468 | Land use | 46 | 1.3K | 79 | 126 |
| 469 | Immunopathology | 30 | 1.3K | 340 | 293 |
| 470 | Hydraulic Engineering | 32 | 1.3K | 199 | 140 |
| 471 | radioactive waste | 16 | 1.3K | 188 | 131 |
| 471 | industrial waste | 16 | 1.3K | 199 | 131 |
| 471 | Hazardous waste | 16 | 1.3K | 255 | 147 |
| 474 | Neuropsychiatry | 24 | 1.3K | 199 | 129 |
| 474 | Electrophysiology | 40 | 1.3K | 177 | 126 |
| 476 | Rural Development | 33 | 1.3K | 44 | 49 |
| 477 | Social behavior | 32 | 1.3K | 243 | 253 |
| 478 | Lipids | 32 | 1.3K | 251 | 327 |
| 479 | Spine | 29 | 1.2K | 160 | 171 |
| 480 | optical devices | 35 | 1.2K | 24 | 9 |
| 481 | Business Ethics | 17 | 1.2K | 279 | 250 |
| 482 | risk factors | 41 | 1.2K | 85 | 115 |
| 483 | Cognitive neuroscience | 16 | 1.2K | 392 | 332 |
| 484 | Geomorphology | 45 | 1.2K | 208 | 318 |
| 484 | Recycling | 23 | 1.2K | 96 | 129 |
| 486 | Organometallic chemistry | 38 | 1.2K | 357 | 154 |
| 487 | embryonic development | 36 | 1.2K | 24 | 33 |
| 488 | Communication | 51 | 1.2K | 334 | 461 |
| 489 | Ophthalmology | 66 | 1.2K | 308 | 486 |
| 490 | Tourism | 21 | 1.2K | 444 | 381 |
| 491 | Operations Research | 41 | 1.2K | 476 | 480 |
| 492 | Cognitive Science | 29 | 1.2K | 323 | 375 |
| 493 | Natural resources | 54 | 1.2K | 53 | 143 |
| 494 | Ergonomics | 33 | 1.2K | 234 | 141 |
| 495 | Endocrine glands | 12 | 1.2K | 77 | 71 |
| 496 | Genetic therapy | 40 | 1.2K | 181 | 267 |
| 497 | energy resources | 29 | 1.2K | 296 | 461 |
| 497 | Aquaculture | 43 | 1.2K | 281 | 299 |
| 499 | Liver diseases | 25 | 1.2K | 492 | 601 |
| 500 | health planning | 62 | 1.2K | 223 | 271 |
| 501 | Growth factors | 15 | 1.2K | 33 | 50 |
| 502 | Porous materials | 18 | 1.2K | 140 | 33 |
| 503 | Ecological Genetics | 54 | 1.2K | 13 | 17 |
| 504 | Philosophy | 128 | 1.2K | 128 | 157 |
| 505 | mutagens | 18 | 1.1K | 255 | 221 |
| 506 | Health Education | 60 | 1.1K | 279 | 350 |
| 507 | industrial relations | 69 | 1.1K | 66 | 82 |
| 508 | Ornithology | 80 | 1.1K | 78 | 120 |
| 509 | lasers | 43 | 1.1K | 466 | 370 |
| 510 | Mechanical Engineering | 50 | 1.1K | 491 | 355 |
| 510 | Cytokine | 11 | 1.1K | 123 | 62 |
| 512 | Psychiatric Epidemiology | 25 | 1.1K | 75 | 82 |
| 513 | Physical Therapy | 19 | 1.1K | 457 | 321 |
| 513 | Enteral nutrition | 32 | 1.1K | 130 | 212 |
| 515 | Oral Medicine | 35 | 1.1K | 60 | 13 |
| 516 | Comparative Physiology | 34 | 1.1K | 118 | 137 |
| 516 | Smoking | 26 | 1.1K | 209 | 174 |
| 518 | mammals | 43 | 1.1K | 120 | 118 |
| 519 | Archaeology | 119 | 1.1K | 93 | 212 |
| 520 | Economic Assistance | 24 | 1.1K | 134 | 153 |
| 521 | gene therapy | 40 | 1.1K | 163 | 289 |
| 522 | environmental exposure | 34 | 1.1K | 360 | 386 |
| 523 | freshwater biology | 28 | 1.1K | 140 | 145 |
| 524 | Regional Planning | 45 | 1.1K | 245 | 296 |
| 524 | Hematopoietic stem cell transplantation | 19 | 1.1K | 54 | 41 |
| 526 | Water quality management | 37 | 1.1K | 306 | 278 |
| 527 | Building | 44 | 1.1K | 44 | 46 |
| 528 | Bioenergetics | 23 | 1.1K | 183 | 176 |
| 528 | Energy metabolism | 22 | 1.1K | 160 | 156 |
| 530 | Architecture | 54 | 1.1K | 31 | 21 |
| 531 | Drug delivery systems | 13 | 1.1K | 709 | 431 |
| 532 | Algae | 41 | 1.1K | 103 | 141 |
| 533 | Travel | 74 | 1.0K | 44 | 87 |
| 534 | venom | 24 | 1.0K | 120 | 89 |
| 534 | Toxins | 25 | 1.0K | 126 | 94 |
| 536 | brewing | 24 | 1.0K | 40 | 17 |
| 537 | Quantum electronics | 39 | 1.0K | 358 | 305 |
| 538 | Cardiac electrophysiology | 20 | 1.0K | 51 | 37 |
| 538 | arrhythmia | 20 | 1.0K | 51 | 37 |
| 538 | Suicide | 55 | 1.0K | 28 | 73 |
| 541 | Heat Exchangers | 28 | 1.0K | 258 | 257 |
| 542 | Sexual health | 11 | 1.0K | 323 | 113 |
| 543 | biological factors | 25 | 1.0K | 512 | 416 |
| 544 | Environmental Microbiology | 28 | 1.0K | 291 | 449 |
| 545 | Palliative Care | 48 | 1.0K | 97 | 109 |
| 546 | Intelligent Transportation Systems | 24 | 1.0K | 268 | 256 |
| 547 | Simulation Methods | 41 | 1.0K | 41 | 41 |
| 547 | Food additives | 20 | 1.0K | 322 | 272 |
| 549 | Child welfare | 38 | 1.0K | 199 | 156 |
| 550 | Decision making | 33 | 996 | 247 | 294 |
| 551 | Petroleum Geology | 40 | 989 | 71 | 109 |
| 552 | Metallurgy | 32 | 988 | 699 | 640 |
| 553 | Geometry | 107 | 987 | 32 | 73 |
| 554 | Human biology | 37 | 980 | 69 | 56 |
| 555 | Psycholinguistics | 22 | 973 | 256 | 241 |
| 556 | Randomized Controlled Trials | 40 | 971 | 158 | 106 |
| 557 | Occupational Health | 36 | 967 | 157 | 152 |
| 558 | Marine Geology | 39 | 963 | 77 | 109 |
| 559 | Computer Graphics | 28 | 960 | 482 | 410 |
| 560 | Pesticides | 24 | 946 | 108 | 58 |
| 561 | Post-traumatic stress disorder | 28 | 942 | 161 | 196 |
| 562 | Dental Public Health | 33 | 937 | 19 | 8 |
| 563 | Signal Transduction | 20 | 930 | 492 | 516 |
| 563 | Endocrine system | 28 | 930 | 143 | 15 |
| 565 | Educational Psychology | 31 | 928 | 356 | 381 |
| 565 | mathematical analysis | 58 | 928 | 450 | 387 |
| 567 | Insect biochemistry | 16 | 920 | 129 | 89 |
| 568 | Genetic Toxicology | 10 | 919 | 159 | 82 |
| 569 | Systems Biology | 40 | 917 | 246 | 313 |
| 570 | Ethnology | 132 | 910 | 45 | 155 |
| 571 | Health promotion | 13 | 903 | 454 | 265 |
| 572 | cell membrane | 21 | 898 | 158 | 166 |
| 573 | Hemostasis | 5 | 896 | 656 | 113 |
| 574 | Psychometrics | 16 | 892 | 148 | 128 |
| 575 | Asthma | 23 | 888 | 118 | 70 |
| 576 | Computer Science | 41 | 885 | 280 | 247 |
| 577 | soil conservation | 21 | 884 | 119 | 64 |
| 578 | adolescence | 15 | 882 | 336 | 246 |
| 578 | Social Change | 18 | 882 | 245 | 274 |
| 580 | Kidney diseases | 27 | 878 | 205 | 206 |
| 581 | Nondestructive testing | 34 | 876 | 73 | 76 |
| 581 | Carcinogenesis | 24 | 876 | 242 | 287 |
| 583 | Discourse Analysis | 13 | 874 | 88 | 35 |
| 584 | Numerical Analysis | 43 | 867 | 451 | 402 |
| 585 | Entrepreneurship | 20 | 864 | 202 | 340 |
| 586 | Women's health | 36 | 861 | 192 | 205 |
| 587 | histological techniques | 20 | 858 | 154 | 197 |
| 588 | biological invasions | 26 | 854 | 74 | 85 |
| 589 | Muscles | 14 | 851 | 334 | 247 |
| 590 | Radio wave propagation | 42 | 849 | 81 | 67 |
| 591 | natural disasters | 18 | 847 | 341 | 259 |
| 592 | Law | 129 | 838 | 39 | 109 |
| 592 | Jurisprudence | 42 | 838 | 115 | 127 |
| 594 | Computer-Aided Design | 24 | 833 | 279 | 232 |
| 594 | Animal genetics | 47 | 833 | 82 | 122 |
| 596 | radiative transfer | 26 | 828 | 121 | 98 |
| 597 | Systems Theory | 42 | 821 | 6 | 5 |
| 598 | Information Theory | 24 | 817 | 405 | 372 |
| 599 | Environmental Geology | 28 | 805 | 314 | 350 |
| 600 | clay minerals | 14 | 804 | 73 | 50 |
| 601 | Stochastic Processes | 33 | 802 | 93 | 68 |
| 602 | mycoses | 9 | 801 | 401 | 358 |
| 603 | Social work | 37 | 794 | 300 | 251 |
| 604 | Neonatology | 17 | 788 | 151 | 94 |
| 605 | Biosensors | 19 | 786 | 428 | 539 |
| 606 | animals | 52 | 783 | 111 | 180 |
| 607 | Chronobiology | 25 | 779 | 51 | 46 |
| 607 | Circadian rhythms | 25 | 779 | 34 | 44 |
| 607 | biological clocks | 25 | 779 | 51 | 46 |
| 607 | circadian rhythm | 25 | 779 | 51 | 46 |
| 607 | biological rhythms | 25 | 779 | 51 | 46 |
| 612 | Socioeconomic Factors | 22 | 773 | 160 | 129 |
| 613 | carcinogens | 12 | 771 | 428 | 307 |
| 614 | Forensic Pathology | 46 | 769 | 2 | 3 |
| 614 | global environmental change | 27 | 769 | 135 | 283 |
| 616 | sustainability | 19 | 768 | 202 | 278 |
| 617 | educational planning | 12 | 767 | 112 | 58 |
| 618 | Electrophoresis | 16 | 766 | 649 | 403 |
| 618 | calcification | 25 | 766 | 89 | 135 |
| 620 | Radiobiology | 36 | 764 | 364 | 528 |
| 621 | Fiber Optics | 26 | 763 | 288 | 246 |
| 622 | Geriatric Psychiatry | 19 | 758 | 301 | 228 |
| 622 | mutation | 10 | 758 | 258 | 164 |
| 624 | Econometrics | 35 | 756 | 286 | 378 |
| 624 | Housing | 27 | 756 | 58 | 80 |
| 626 | Higher Education | 27 | 752 | 83 | 73 |
| 627 | Molecular structure | 22 | 751 | 809 | 744 |
| 628 | Bipolar Disorder | 12 | 750 | 139 | 119 |
| 629 | Project Management | 10 | 749 | 94 | 100 |
| 629 | complementary therapies | 22 | 749 | 370 | 287 |
| 631 | Proteomics | 20 | 746 | 306 | 361 |
| 632 | Histochemistry | 25 | 745 | 230 | 218 |
| 632 | embryo transfer | 28 | 745 | 63 | 53 |
| 634 | Eating Disorders | 20 | 737 | 271 | 245 |
| 635 | industrial hygiene | 30 | 735 | 150 | 76 |
| 636 | Yeast | 21 | 734 | 62 | 81 |
| 636 | Thorax | 6 | 734 | 288 | 138 |
| 638 | child abuse | 16 | 729 | 279 | 251 |
| 639 | breastfeeding | 23 | 728 | 78 | 58 |
| 640 | Feeding and Eating Disorders | 19 | 724 | 266 | 235 |
| 641 | Alternative Medicine | 18 | 723 | 413 | 290 |
| 641 | Measurement | 36 | 723 | 198 | 226 |
| 643 | Horticulture | 28 | 720 | 143 | 94 |
| 644 | Biomass | 9 | 719 | 262 | 156 |
| 645 | Biomechanics | 40 | 718 | 249 | 419 |
| 645 | Bacterial infections | 13 | 718 | 292 | 376 |
| 647 | agricultural policy | 8 | 712 | 100 | 57 |
| 647 | innovation | 11 | 712 | 223 | 265 |
| 649 | Urology | 34 | 710 | 499 | 684 |
| 650 | Evidence-Based Medicine | 17 | 708 | 183 | 91 |
| 651 | Neuromuscular diseases | 10 | 704 | 308 | 174 |
| 652 | structural stability | 23 | 703 | 51 | 74 |
| 652 | Aquatic ecology | 28 | 703 | 146 | 185 |
| 654 | Information Technology | 28 | 699 | 555 | 695 |
| 654 | Dietetics | 37 | 699 | 123 | 167 |
| 656 | Sites | 84 | 687 | 19 | 168 |
| 657 | natural products | 17 | 686 | 648 | 433 |
| 658 | Nephrology | 14 | 679 | 216 | 199 |
| 659 | Consciousness | 18 | 677 | 84 | 83 |
| 660 | Developmental Disabilities | 30 | 674 | 225 | 374 |
| 661 | Biogeochemical cycles | 2 | 673 | 518 | 248 |
| 662 | impact | 13 | 670 | 124 | 98 |
| 663 | Biopharmaceutics | 13 | 667 | 446 | 338 |
| 663 | Clinical Immunology | 20 | 667 | 365 | 359 |
| 665 | Geriatric Oncology | 20 | 659 | 141 | 145 |
| 666 | Pacific Islands | 24 | 657 | 29 | 10 |
| 667 | Marine Ecology | 24 | 655 | 168 | 144 |
| 667 | Hemodynamics | 17 | 655 | 238 | 299 |
| 669 | Smart Materials | 30 | 654 | 140 | 212 |
| 670 | older people | 44 | 652 | 303 | 305 |
| 671 | Intellectual disability | 37 | 651 | 149 | 217 |
| 672 | cell interaction | 13 | 649 | 416 | 358 |
| 673 | pain management | 32 | 648 | 74 | 117 |
| 674 | Quality Control | 23 | 646 | 414 | 427 |
| 675 | Structural health monitoring | 22 | 644 | 19 | 29 |
| 675 | preimplantation genetic diagnosis | 24 | 644 | 72 | 63 |
| 677 | Molecular Pharmacology | 18 | 643 | 216 | 279 |
| 677 | Pharmacogenetics | 25 | 643 | 228 | 335 |
| 679 | Microelectronics | 33 | 640 | 519 | 787 |
| 680 | counseling | 36 | 638 | 291 | 370 |
| 681 | Microwaves | 22 | 636 | 524 | 387 |
| 681 | herbicides | 23 | 636 | 38 | 37 |
| 683 | Human evolution | 16 | 634 | 130 | 148 |
| 683 | agricultural productivity | 37 | 634 | 4 | 8 |
| 685 | Animal Nutrition | 34 | 633 | 93 | 131 |
| 686 | Bioelectronics | 13 | 631 | 467 | 572 |
| 687 | Agricultural Engineering | 15 | 628 | 113 | 82 |
| 688 | Experimental Psychology | 16 | 627 | 196 | 195 |
| 689 | sedimentary basins | 16 | 625 | 33 | 41 |
| 690 | Neuropharmacology | 8 | 624 | 325 | 145 |
| 691 | Telecommunication Systems | 35 | 623 | 270 | 313 |
| 691 | Food service management | 12 | 623 | 113 | 145 |
| 693 | Statistical Mechanics | 13 | 619 | 264 | 149 |
| 694 | hydrocolloids | 7 | 616 | 389 | 297 |
| 695 | Anti-inflammatory agents | 23 | 612 | 19 | 22 |
| 696 | Photochemistry | 16 | 611 | 621 | 515 |
| 696 | migration policy | 9 | 611 | 60 | 46 |
| 698 | Andrology | 18 | 610 | 160 | 122 |
| 698 | Hypertension in pregnancy | 17 | 610 | 24 | 24 |
| 700 | immigration | 8 | 608 | 59 | 46 |
| 700 | Asylum seeker | 8 | 608 | 50 | 46 |
| 702 | Trace elements | 23 | 602 | 12 | 38 |
| 703 | Sociolinguistics | 16 | 600 | 101 | 70 |
| 704 | Tunneling | 14 | 599 | 117 | 116 |
| 704 | underground construction | 14 | 599 | 117 | 116 |
| 706 | Physical organic chemistry | 39 | 596 | 217 | 386 |
| 707 | Parallel Processing | 11 | 595 | 210 | 181 |
| 708 | Feminism | 22 | 594 | 102 | 80 |
| 708 | Japan | 49 | 594 | 268 | 359 |
| 708 | collagen | 13 | 594 | 69 | 113 |
| 711 | Chemical Ecology | 12 | 592 | 188 | 149 |
| 711 | Fermentation | 17 | 592 | 68 | 40 |
| 711 | Wine | 15 | 592 | 2 | 2 |
| 714 | Global Health | 21 | 591 | 276 | 178 |
| 715 | Structural design | 28 | 590 | 126 | 196 |
| 716 | pheromones | 11 | 589 | 187 | 144 |
| 717 | Coral reef biology | 11 | 588 | 122 | 94 |
| 718 | protein | 22 | 582 | 372 | 452 |
| 719 | Drug design | 13 | 580 | 665 | 526 |
| 719 | food handling | 16 | 580 | 234 | 239 |
| 719 | Fishery resources | 21 | 580 | 127 | 161 |
| 719 | concrete | 20 | 580 | 285 | 427 |
| 723 | Magnetohydrodynamics | 10 | 579 | 148 | 95 |
| 724 | soil pollution | 11 | 578 | 142 | 59 |
| 725 | Adaptive control systems | 16 | 577 | 143 | 62 |
| 726 | Physical fitness | 11 | 576 | 462 | 329 |
| 727 | Respiratory system | 10 | 574 | 259 | 170 |
| 728 | Pharmacy | 25 | 560 | 674 | 800 |
| 729 | Liposomes | 13 | 557 | 168 | 144 |
| 729 | Lipid bilayers | 13 | 557 | 139 | 133 |
| 731 | Landscape Ecology | 13 | 550 | 128 | 147 |
| 732 | Cognitive Therapy | 14 | 549 | 216 | 170 |
| 732 | Waste management | 20 | 549 | 388 | 319 |
| 734 | Calorimetry | 11 | 547 | 503 | 175 |
| 734 | Thermal analysis | 11 | 547 | 503 | 175 |
| 736 | rivers | 19 | 545 | 31 | 53 |
| 737 | Chromatography | 14 | 542 | 702 | 448 |
| 737 | Chromatographic analysis | 15 | 542 | 804 | 517 |
| 739 | Environmental risk assessment | 19 | 540 | 47 | 56 |
| 740 | Bioethics | 73 | 537 | 79 | 158 |
| 740 | Extracellular matrix | 11 | 537 | 75 | 116 |
| 740 | Birth control | 19 | 537 | 108 | 117 |
| 743 | Transnational corporations | 6 | 535 | 173 | 34 |
| 744 | Sports | 29 | 534 | 579 | 664 |
| 745 | Terahertz Technology | 19 | 530 | 14 | 24 |
| 746 | Patient education | 22 | 529 | 168 | 241 |
| 747 | bioclimatology | 16 | 528 | 242 | 211 |
| 748 | Civil Engineering | 30 | 523 | 314 | 192 |
| 748 | Water Purification | 19 | 523 | 312 | 262 |
| 750 | Bone diseases | 12 | 522 | 150 | 236 |
| 750 | livestock | 15 | 522 | 159 | 83 |
| 750 | Agricultural systems | 16 | 522 | 83 | 121 |
| 753 | Dentistry | 36 | 521 | 119 | 147 |
| 753 | Optical Communications | 10 | 521 | 392 | 165 |
| 755 | Hydrogeology | 17 | 515 | 153 | 158 |
| 755 | Human Geography | 26 | 515 | 268 | 304 |
| 755 | disabilities | 27 | 515 | 133 | 176 |
| 758 | Crisis Intervention | 29 | 514 | 8 | 26 |
| 758 | Forest Management | 13 | 514 | 438 | 408 |
| 760 | Medical Technology | 27 | 513 | 349 | 538 |
| 761 | Public Choice | 7 | 512 | 181 | 81 |
| 761 | Group decision making | 7 | 512 | 251 | 107 |
| 763 | Microcirculation | 17 | 510 | 104 | 121 |
| 764 | Marine resources | 23 | 509 | 100 | 147 |
| 764 | Algal blooms | 10 | 509 | 98 | 118 |
| 764 | Cyanobacteria | 10 | 509 | 98 | 118 |
| 764 | microalgae | 10 | 509 | 98 | 118 |
| 768 | weather | 16 | 508 | 116 | 115 |
| 769 | Systems Analysis | 24 | 505 | 237 | 237 |
| 770 | Culture | 112 | 504 | 30 | 189 |
| 771 | Mutagenesis | 10 | 503 | 131 | 62 |
| 771 | Migration | 20 | 503 | 11 | 7 |
| 773 | Ethics | 17 | 502 | 265 | 177 |
| 774 | Blood vessels | 15 | 498 | 77 | 75 |
| 775 | Vocational guidance | 13 | 497 | 345 | 374 |
| 776 | Functional Analysis | 26 | 495 | 331 | 309 |
| 776 | Geographic information systems | 24 | 495 | 201 | 177 |
| 778 | Mobile Computing | 19 | 494 | 335 | 344 |
| 778 | Magnetic Materials | 16 | 494 | 707 | 604 |
| 780 | Elderly | 38 | 491 | 262 | 206 |
| 781 | Pharmacokinetics | 8 | 489 | 439 | 291 |
| 781 | eugenics | 17 | 489 | 130 | 132 |
| 783 | vascular diseases | 13 | 487 | 283 | 351 |
| 784 | Qualitative Research | 22 | 486 | 93 | 125 |
| 785 | miniaturization | 14 | 484 | 864 | 1040 |
| 786 | Educational Technology | 26 | 483 | 321 | 452 |
| 787 | Forest Ecology | 9 | 482 | 593 | 463 |
| 788 | Teaching | 49 | 480 | 242 | 492 |
| 789 | Animal husbandry | 11 | 479 | 94 | 49 |
| 789 | families | 33 | 479 | 152 | 212 |
| 791 | East Asia | 25 | 475 | 76 | 45 |
| 792 | Thermodynamics | 25 | 474 | 244 | 193 |
| 792 | Production Engineering | 15 | 474 | 848 | 587 |
| 794 | Taste | 25 | 473 | 22 | 36 |
| 794 | smell | 25 | 473 | 22 | 36 |
| 796 | Rheology | 3 | 469 | 622 | 178 |
| 797 | Atomic spectroscopy | 13 | 468 | 491 | 337 |
| 798 | Medical Ethics | 39 | 466 | 191 | 231 |
| 799 | irrigation | 12 | 465 | 95 | 59 |
| 799 | Emotions | 18 | 465 | 174 | 288 |
| 801 | population geography | 12 | 464 | 97 | 78 |
| 802 | Family | 23 | 463 | 263 | 303 |
| 803 | Demography | 20 | 462 | 153 | 233 |
| 804 | Pharmacognosy | 13 | 459 | 831 | 821 |
| 805 | psychopathology | 20 | 458 | 80 | 152 |
| 806 | Plant tissue culture | 30 | 457 | 90 | 220 |
| 806 | Criminal investigation | 14 | 457 | 30 | 15 |
| 808 | Dynamics | 26 | 454 | 341 | 343 |
| 808 | Bioinorganic chemistry | 25 | 454 | 371 | 510 |
| 810 | cross-cultural comparison | 32 | 452 | 39 | 86 |
| 810 | Sales management | 3 | 452 | 225 | 176 |
| 810 | selling | 3 | 452 | 225 | 176 |
| 813 | Metastasis | 7 | 451 | 69 | 128 |
| 814 | Bacteria | 10 | 449 | 120 | 177 |
| 815 | Health Services Administration | 15 | 446 | 351 | 345 |
| 815 | commerce | 30 | 446 | 272 | 579 |
| 817 | Venture Capital | 7 | 443 | 142 | 252 |
| 818 | Antibacterial agents | 13 | 440 | 225 | 261 |
| 819 | Hydrodynamics | 24 | 439 | 130 | 237 |
| 819 | Ultrasonics | 21 | 439 | 335 | 509 |
| 821 | Androgens | 7 | 437 | 126 | 75 |
| 822 | tests | 10 | 436 | 45 | 48 |
| 823 | Neurosurgery | 8 | 434 | 633 | 459 |
| 823 | community development | 17 | 434 | 130 | 119 |
| 825 | Linguistics | 20 | 433 | 392 | 403 |
| 825 | Developmental Immunology | 12 | 433 | 200 | 232 |
| 827 | Urban Policy | 25 | 428 | 136 | 255 |
| 827 | Morphology | 21 | 428 | 170 | 190 |
| 829 | Coastal zone management | 17 | 426 | 151 | 189 |
| 829 | Crystallography | 85 | 426 | 149 | 390 |
| 829 | Transport | 20 | 426 | 143 | 246 |
| 832 | Humanities | 21 | 424 | 393 | 239 |
| 832 | Social Networks | 12 | 424 | 61 | 85 |
| 832 | ethnic groups | 9 | 424 | 141 | 66 |
| 835 | Sea | 19 | 423 | 129 | 197 |
| 835 | Microscopy | 24 | 423 | 296 | 440 |
| 837 | organization | 7 | 421 | 448 | 431 |
| 838 | race relations | 9 | 420 | 278 | 157 |
| 839 | Drug delivery devices | 5 | 418 | 135 | 79 |
| 839 | brain mapping | 5 | 418 | 519 | 384 |
| 841 | Plant Taxonomy | 22 | 414 | 90 | 113 |
| 841 | animal diseases | 11 | 414 | 192 | 120 |
| 843 | food contamination | 17 | 412 | 245 | 234 |
| 844 | Nutritional support | 13 | 408 | 31 | 69 |
| 845 | Nanochemistry | 21 | 406 | 277 | 293 |
| 845 | Microbial Genetics | 8 | 406 | 156 | 149 |
| 845 | Globalization | 14 | 406 | 140 | 136 |
| 845 | phytopathogenic bacteria | 8 | 406 | 120 | 144 |
| 845 | Nonlinear mechanics | 12 | 406 | 120 | 84 |
| 850 | Cerebral cortex | 10 | 405 | 492 | 520 |
| 851 | free radicals | 10 | 390 | 770 | 906 |
| 852 | Naval Architecture | 19 | 385 | 95 | 81 |
| 853 | Mineral resources | 8 | 384 | 253 | 201 |
| 854 | Water Microbiology | 15 | 383 | 65 | 120 |
| 854 | Seaweed | 13 | 383 | 209 | 270 |
| 854 | biocatalysis | 1 | 383 | 355 | 247 |
| 854 | Homogeneous catalysis | 1 | 383 | 355 | 247 |
| 854 | Heterogeneous catalysis | 1 | 383 | 355 | 247 |
| 859 | Climate | 12 | 382 | 182 | 236 |
| 859 | econometric models | 9 | 382 | 231 | 162 |
| 861 | Remote Sensing | 23 | 381 | 386 | 402 |
| 862 | Urban Planning | 11 | 380 | 119 | 135 |
| 862 | Solitons | 9 | 380 | 583 | 365 |
| 862 | Fractals | 9 | 380 | 586 | 366 |
| 862 | Chaos | 9 | 380 | 583 | 365 |
| 866 | Chemical kinetics | 26 | 378 | 96 | 89 |
| 866 | visualization | 19 | 378 | 526 | 382 |
| 866 | disease vectors | 9 | 378 | 490 | 383 |
| 869 | Geriatric Pharmacology | 11 | 375 | 96 | 88 |
| 870 | Lightweight concrete | 4 | 373 | 343 | 281 |
| 871 | Plant cell culture | 18 | 372 | 149 | 268 |
| 872 | Kinetics | 27 | 370 | 39 | 102 |
| 873 | Greenhouse gases | 8 | 368 | 156 | 163 |
| 874 | Biometrics | 38 | 360 | 218 | 456 |
| 875 | Mechatronics | 9 | 359 | 460 | 360 |
| 876 | violence | 12 | 356 | 409 | 423 |
| 877 | hazard mitigation | 7 | 354 | 510 | 336 |
| 878 | Sustainable agriculture | 22 | 353 | 127 | 276 |
| 879 | DNA | 14 | 350 | 153 | 163 |
| 880 | Nonlinear functional analysis | 12 | 348 | 437 | 312 |
| 881 | flavor | 24 | 345 | 13 | 30 |
| 882 | History | 53 | 344 | 160 | 98 |
| 882 | Criminology | 26 | 344 | 248 | 343 |
| 884 | Otolaryngology | 12 | 343 | 236 | 218 |
| 885 | Turbulence | 9 | 339 | 96 | 53 |
| 886 | Orthopedic Surgery | 28 | 338 | 158 | 342 |
| 887 | Transportation | 27 | 335 | 481 | 801 |
| 888 | Geothermal Energy | 6 | 334 | 149 | 75 |
| 888 | civilization | 89 | 334 | 52 | 59 |
| 890 | Quantum Optics | 11 | 333 | 399 | 293 |
| 890 | Anxiety Disorders | 9 | 333 | 268 | 392 |
| 892 | traffic safety | 22 | 332 | 39 | 63 |
| 892 | bees | 19 | 332 | 80 | 142 |
| 894 | probabilities | 27 | 330 | 371 | 372 |
| 895 | Reservoirs | 7 | 329 | 79 | 20 |
| 895 | lakes | 7 | 329 | 17 | 3 |
| 895 | technical education | 14 | 329 | 197 | 163 |
| 898 | Pharmaceutical Technology | 7 | 328 | 1023 | 760 |
| 898 | Electronic Packaging | 1 | 328 | 508 | 80 |
| 900 | software | 13 | 326 | 382 | 533 |
| 901 | Capital market | 11 | 325 | 134 | 155 |
| 902 | emergency management | 5 | 324 | 481 | 240 |
| 903 | Traffic Engineering | 14 | 323 | 109 | 193 |
| 904 | Veterinary Pathology | 12 | 322 | 106 | 60 |
| 904 | Anxiety | 8 | 322 | 288 | 398 |
| 904 | Magnetic Resonance Spectroscopy | 7 | 322 | 796 | 501 |
| 907 | environmental issues | 20 | 321 | 55 | 163 |
| 908 | Human-Computer Interaction | 11 | 320 | 727 | 722 |
| 908 | Plastics | 10 | 320 | 951 | 693 |
| 908 | at-risk youth | 1 | 320 | 170 | 56 |
| 911 | Cryptography | 28 | 319 | 65 | 114 |
| 911 | Tropical Medicine | 28 | 319 | 420 | 713 |
| 913 | Brain damage | 9 | 318 | 199 | 191 |
| 914 | Evolutionary Genetics | 4 | 317 | 581 | 233 |
| 914 | Molecular Epidemiology | 4 | 317 | 581 | 233 |
| 914 | Surface-Active Agents | 9 | 317 | 551 | 596 |
| 914 | Surface properties | 9 | 317 | 610 | 661 |
| 918 | Geotechnical Engineering | 7 | 316 | 284 | 204 |
| 918 | Material Culture | 74 | 316 | 1 | 10 |
| 920 | nuclear magnetic resonance | 10 | 315 | 605 | 497 |
| 921 | Thermochemistry | 13 | 313 | 192 | 177 |
| 922 | Plant Morphology | 15 | 312 | 121 | 140 |
| 923 | Geomagnetism | 15 | 307 | 259 | 309 |
| 924 | Optoelectronics | 4 | 306 | 455 | 64 |
| 924 | land degradation | 10 | 306 | 136 | 167 |
| 924 | Microorganisms | 11 | 306 | 476 | 765 |
| 924 | degradation | 10 | 306 | 136 | 167 |
| 928 | Emergency Nursing | 11 | 305 | 33 | 19 |
| 929 | Structuralism | 3 | 304 | 145 | 104 |
| 930 | Indigenous Knowledge | 73 | 303 | 1 | 1 |
| 931 | Medical Imaging | 11 | 301 | 157 | 158 |
| 931 | Magnetic Resonance Imaging | 11 | 301 | 197 | 219 |
| 933 | particles | 13 | 300 | 338 | 359 |
| 934 | Invertebrates | 16 | 297 | 167 | 230 |
| 935 | Risk Management | 12 | 296 | 251 | 285 |
| 936 | Ecological Engineering | 7 | 295 | 342 | 350 |
| 937 | Social policy | 18 | 294 | 281 | 334 |
| 937 | internet | 17 | 294 | 568 | 807 |
| 939 | Molecular recognition | 7 | 293 | 66 | 45 |
| 939 | Environmental Geochemistry | 12 | 293 | 120 | 131 |
| 939 | Money | 9 | 293 | 90 | 131 |
| 942 | plasticity | 9 | 292 | 172 | 260 |
| 942 | human development | 12 | 292 | 336 | 439 |
| 944 | blood transfusion | 13 | 290 | 320 | 331 |
| 945 | Ideology | 1 | 289 | 149 | 7 |
| 945 | Crystal growth | 5 | 289 | 841 | 489 |
| 945 | educational innovations | 10 | 289 | 180 | 198 |
| 948 | Intelligence | 7 | 288 | 137 | 149 |
| 949 | Human Resources | 5 | 287 | 302 | 248 |
| 950 | Marine Meteorology | 4 | 285 | 318 | 225 |
| 950 | Radiation effects | 6 | 285 | 380 | 336 |
| 950 | Exercise | 8 | 285 | 790 | 585 |
| 953 | Biodegradation | 11 | 284 | 225 | 361 |
| 953 | Fouling | 11 | 284 | 47 | 104 |
| 955 | international cooperation | 8 | 283 | 292 | 260 |
| 956 | drug resistance | 12 | 282 | 220 | 358 |
| 957 | Condensed Matter | 20 | 280 | 1456 | 1765 |
| 958 | Coding Theory | 26 | 279 | 33 | 54 |
| 958 | Osteoporosis | 9 | 279 | 117 | 133 |
| 958 | Minerals | 9 | 279 | 323 | 275 |
| 961 | hospice care | 12 | 278 | 204 | 164 |
| 961 | research and development | 4 | 278 | 286 | 177 |
| 961 | drug control | 14 | 278 | 122 | 168 |
| 964 | Laser Spectroscopy | 8 | 277 | 484 | 307 |
| 965 | Cross-Cultural Studies | 32 | 276 | 61 | 256 |
| 966 | Neurotoxicology | 10 | 275 | 219 | 307 |
| 966 | Education policy | 13 | 275 | 18 | 24 |
| 966 | machinery | 6 | 275 | 518 | 259 |
| 969 | Fertilization | 10 | 273 | 10 | 24 |
| 969 | gametes | 10 | 273 | 10 | 24 |
| 971 | Developmental Psychology | 9 | 271 | 531 | 592 |
| 971 | drug abuse | 9 | 271 | 320 | 284 |
| 971 | gene transfer | 7 | 271 | 117 | 96 |
| 971 | genetic transformation | 7 | 271 | 117 | 96 |
| 975 | drug evaluation | 14 | 267 | 529 | 699 |
| 976 | Community Psychology | 7 | 266 | 324 | 337 |
| 976 | Social welfare | 14 | 266 | 199 | 201 |
| 978 | Power Electronics | 10 | 264 | 631 | 765 |
| 978 | Auditing | 10 | 264 | 130 | 192 |
| 978 | Feminist psychology | 8 | 264 | 25 | 22 |
| 981 | Personality Assessment | 5 | 263 | 405 | 361 |
| 982 | Intelligent Control Systems | 15 | 258 | 333 | 257 |
| 982 | Mechanics | 14 | 258 | 474 | 463 |
| 984 | population trends | 6 | 257 | 41 | 93 |
| 985 | Egypt | 5 | 256 | 364 | 207 |
| 986 | California | 7 | 255 | 234 | 184 |
| 987 | Sonochemistry | 8 | 253 | 276 | 467 |
| 988 | Industrial Safety | 19 | 252 | 306 | 566 |
| 988 | Queuing Theory | 11 | 252 | 53 | 43 |
| 988 | biochemical markers | 11 | 252 | 213 | 234 |
| 991 | Medical Sociology | 13 | 251 | 15 | 14 |
| 991 | baking | 5 | 251 | 149 | 102 |
| 993 | Microbial Biotechnology | 4 | 250 | 860 | 476 |
| 993 | Synthetic biology | 4 | 250 | 296 | 166 |
| 995 | Health Risk Assessment | 10 | 249 | 114 | 112 |
| 996 | Information Systems | 10 | 248 | 663 | 729 |
| 997 | Peroxisomes | 2 | 247 | 42 | 10 |
| 997 | synthesis | 10 | 247 | 495 | 287 |
| 999 | family violence | 8 | 246 | 223 | 243 |
| 1000 | Zeolites | 9 | 245 | 462 | 590 |