| 1 | Medicine | 2,390 | 156.6K | 108 | 86 |
| 2 | Neurology | 2,208 | 126.8K | 55 | 73 |
| 3 | Science | 1,749 | 126.7K | 166 | 206 |
| 4 | Biology | 2,078 | 123.1K | 121 | 212 |
| 5 | Chemistry | 1,556 | 107.0K | 256 | 225 |
| 6 | Biochemistry | 2,155 | 97.4K | 146 | 139 |
| 7 | Physics | 1,144 | 96.1K | 368 | 318 |
| 8 | Microbiology | 1,147 | 84.5K | 98 | 87 |
| 9 | Molecular Biology | 1,147 | 74.6K | 200 | 188 |
| 10 | Research | 1,567 | 66.5K | 115 | 106 |
| 11 | Psychiatry | 1,122 | 60.9K | 41 | 54 |
| 12 | Physiology | 1,230 | 52.9K | 33 | 42 |
| 13 | Ecology | 793 | 48.0K | 164 | 178 |
| 14 | Cytology | 619 | 45.0K | 135 | 149 |
| 15 | Public Health | 873 | 44.6K | 81 | 71 |
| 16 | Natural history | 267 | 43.0K | 197 | 265 |
| 17 | Mental Disorders | 738 | 42.3K | 26 | 32 |
| 18 | Psychology | 897 | 41.7K | 78 | 84 |
| 19 | Cell Biology | 595 | 41.0K | 113 | 156 |
| 20 | Neurophysiology | 653 | 40.7K | 51 | 69 |
| 21 | Biophysics | 990 | 37.9K | 95 | 96 |
| 22 | United States | 801 | 37.4K | 126 | 80 |
| 23 | Immunology | 464 | 36.6K | 118 | 93 |
| 24 | Pediatrics | 499 | 35.2K | 56 | 46 |
| 25 | Environment | 589 | 35.1K | 87 | 138 |
| 26 | Geophysics | 911 | 30.4K | 75 | 107 |
| 27 | Chemical Engineering | 553 | 29.6K | 156 | 124 |
| 28 | Mental illness | 533 | 28.7K | 14 | 23 |
| 29 | Endocrinology | 311 | 28.3K | 164 | 114 |
| 30 | management | 243 | 27.5K | 135 | 93 |
| 31 | Epidemiology | 409 | 27.0K | 91 | 62 |
| 32 | Human genetics | 176 | 26.7K | 153 | 196 |
| 33 | Immunity | 139 | 25.2K | 148 | 90 |
| 34 | Surgery | 145 | 25.1K | 117 | 93 |
| 35 | Petroleum Engineering | 863 | 24.7K | 3 | 4 |
| 36 | Sports Medicine | 632 | 24.0K | 8 | 18 |
| 37 | Developmental Biology | 340 | 23.7K | 64 | 70 |
| 38 | Astrophysics | 680 | 23.5K | 227 | 370 |
| 39 | Metabolism | 217 | 23.0K | 185 | 109 |
| 40 | Botany | 434 | 22.9K | 165 | 160 |
| 41 | Hypertension | 305 | 22.4K | 58 | 75 |
| 42 | Pharmacology | 627 | 21.9K | 172 | 169 |
| 43 | Astronomy | 469 | 21.9K | 254 | 299 |
| 44 | Cardiovascular system | 197 | 21.2K | 97 | 90 |
| 45 | Medical Microbiology | 266 | 20.8K | 53 | 28 |
| 46 | Biomedical Engineering | 534 | 20.3K | 98 | 102 |
| 47 | Virology | 223 | 19.9K | 197 | 192 |
| 48 | medical education | 565 | 19.8K | 10 | 14 |
| 49 | Genetics | 325 | 19.3K | 177 | 211 |
| 50 | Pollution | 400 | 19.2K | 204 | 276 |
| 51 | Tourism | 106 | 19.1K | 88 | 17 |
| 52 | Brain | 440 | 19.1K | 59 | 92 |
| 53 | Hematology | 439 | 18.2K | 113 | 145 |
| 54 | Biomechanics | 401 | 18.1K | 1 | 7 |
| 55 | Metabolic diseases | 148 | 17.7K | 186 | 112 |
| 56 | Medical genetics | 316 | 17.7K | 114 | 144 |
| 57 | Biotechnology | 317 | 17.3K | 298 | 307 |
| 58 | Entrepreneurship | 85 | 17.3K | 9 | 4 |
| 59 | Behavior | 359 | 17.0K | 102 | 125 |
| 60 | Oncology | 179 | 16.8K | 99 | 77 |
| 61 | Statistical physics | 392 | 16.7K | 196 | 123 |
| 62 | coal | 373 | 16.5K | 13 | 12 |
| 63 | Psychophysiology | 349 | 16.2K | 136 | 153 |
| 64 | Qualitative Research | 86 | 16.2K | 5 | 3 |
| 65 | Small Business | 70 | 15.7K | 10 | 5 |
| 66 | Geochemistry | 318 | 15.3K | 69 | 80 |
| 67 | Diagnostic microbiology | 127 | 15.1K | 39 | 18 |
| 68 | Electronics | 316 | 14.7K | 144 | 96 |
| 69 | Critical Care Medicine | 246 | 14.6K | 44 | 71 |
| 70 | Critical Care | 245 | 14.6K | 46 | 71 |
| 71 | Allergy | 115 | 14.6K | 67 | 63 |
| 72 | Materials | 298 | 14.6K | 566 | 480 |
| 73 | Nuclear Physics | 346 | 14.5K | 511 | 430 |
| 74 | Microbial Ecology | 192 | 14.0K | 91 | 108 |
| 75 | Environmental Health | 319 | 13.7K | 226 | 284 |
| 76 | Geology | 371 | 13.6K | 134 | 157 |
| 77 | Health insurance | 32 | 13.5K | 75 | 4 |
| 78 | Health Services Research | 379 | 13.3K | 16 | 24 |
| 79 | Cancer | 260 | 13.3K | 200 | 212 |
| 80 | Obstetrics | 461 | 13.2K | 46 | 59 |
| 81 | natural gas | 507 | 13.2K | 2 | 3 |
| 82 | Nervous system | 240 | 13.2K | 89 | 105 |
| 83 | Respiration | 312 | 13.1K | 17 | 28 |
| 84 | Health | 428 | 13.1K | 17 | 32 |
| 85 | Neurobiology | 203 | 12.9K | 76 | 90 |
| 86 | arthritis | 209 | 12.9K | 35 | 40 |
| 87 | Business | 103 | 12.5K | 134 | 73 |
| 88 | Schizophrenia | 214 | 12.2K | 23 | 23 |
| 89 | Embryology | 194 | 11.8K | 74 | 78 |
| 90 | Education | 387 | 11.7K | 119 | 111 |
| 91 | Anatomy | 233 | 11.5K | 59 | 73 |
| 92 | Spectrum analysis | 353 | 11.5K | 287 | 435 |
| 93 | Computer Graphics | 242 | 11.4K | 47 | 41 |
| 94 | Computational Chemistry | 23 | 11.3K | 111 | 23 |
| 95 | Nutrition | 282 | 11.0K | 183 | 225 |
| 96 | human behavior | 193 | 11.0K | 113 | 144 |
| 97 | Catalysis | 268 | 10.8K | 305 | 341 |
| 98 | Pathology | 200 | 10.6K | 123 | 112 |
| 99 | Adolescent Medicine | 84 | 10.5K | 37 | 12 |
| 100 | Sports | 328 | 10.4K | 21 | 36 |
| 101 | Liver diseases | 164 | 10.4K | 69 | 105 |
| 102 | personality | 149 | 10.3K | 77 | 80 |
| 103 | Bioengineering | 228 | 10.1K | 233 | 321 |
| 104 | Mathematics | 709 | 10.1K | 209 | 209 |
| 105 | Electrochemistry | 526 | 10.0K | 114 | 179 |
| 106 | Clinical Psychology | 105 | 9.9K | 103 | 55 |
| 107 | Petroleum | 410 | 9.7K | 1 | 1 |
| 108 | Sociology | 281 | 9.7K | 102 | 139 |
| 109 | internet | 60 | 9.6K | 144 | 12 |
| 110 | Neurochemistry | 245 | 9.5K | 99 | 131 |
| 111 | Biochemical Engineering | 146 | 9.3K | 280 | 290 |
| 112 | Nanotechnology | 161 | 9.3K | 637 | 537 |
| 113 | Immune system | 29 | 9.3K | 206 | 99 |
| 114 | Kidney diseases | 357 | 9.3K | 3 | 8 |
| 115 | Rheumatology | 155 | 9.2K | 31 | 31 |
| 116 | Environmental Engineering | 213 | 9.2K | 167 | 245 |
| 117 | Geriatrics | 313 | 9.1K | 104 | 135 |
| 118 | Microwaves | 207 | 8.8K | 42 | 22 |
| 119 | Surface Chemistry | 213 | 8.7K | 297 | 247 |
| 120 | environmental pollution | 230 | 8.6K | 231 | 291 |
| 121 | Cell differentiation | 112 | 8.6K | 147 | 172 |
| 122 | Health Policy | 216 | 8.5K | 88 | 70 |
| 123 | Reproduction | 197 | 8.5K | 110 | 83 |
| 124 | Child Development | 216 | 8.5K | 79 | 115 |
| 125 | Biocompatible Materials | 172 | 8.5K | 376 | 404 |
| 126 | Medical Physics | 328 | 8.4K | 43 | 69 |
| 127 | Economics | 300 | 8.4K | 255 | 248 |
| 128 | Animal Behavior | 187 | 8.3K | 132 | 157 |
| 129 | Pediatric Neurology | 96 | 8.3K | 58 | 76 |
| 130 | Obesity | 188 | 8.3K | 86 | 95 |
| 131 | Membranes | 112 | 8.3K | 143 | 83 |
| 132 | Growth | 100 | 8.3K | 106 | 112 |
| 133 | Electrical Engineering | 271 | 8.2K | 126 | 69 |
| 134 | Nephrology | 317 | 8.2K | 2 | 10 |
| 135 | Colloids | 185 | 8.1K | 351 | 307 |
| 136 | Aging | 271 | 8.1K | 120 | 145 |
| 137 | United Kingdom | 132 | 8.0K | 77 | 51 |
| 138 | Plant physiology | 153 | 8.0K | 121 | 147 |
| 139 | Neurons | 51 | 8.0K | 82 | 117 |
| 140 | Materials Science | 183 | 8.0K | 463 | 449 |
| 141 | Plants | 106 | 8.0K | 167 | 155 |
| 142 | Primary health care | 260 | 7.9K | 33 | 29 |
| 143 | Neuropsychology | 256 | 7.9K | 68 | 109 |
| 144 | Engineering | 275 | 7.8K | 136 | 112 |
| 145 | energy conservation | 104 | 7.8K | 126 | 111 |
| 146 | Diabetes | 153 | 7.8K | 141 | 173 |
| 147 | Planets | 229 | 7.7K | 104 | 148 |
| 148 | Diabetes mellitus | 138 | 7.4K | 132 | 168 |
| 149 | Chronic diseases | 88 | 7.2K | 42 | 60 |
| 150 | Host-parasite interactions | 73 | 7.1K | 106 | 94 |
| 151 | Child | 323 | 7.0K | 52 | 85 |
| 152 | rehabilitation | 189 | 7.0K | 84 | 95 |
| 153 | Ethology | 138 | 7.0K | 117 | 139 |
| 154 | Child psychology | 158 | 6.9K | 106 | 145 |
| 155 | drug therapy | 154 | 6.8K | 160 | 120 |
| 156 | Signal Processing | 276 | 6.8K | 113 | 210 |
| 157 | Genetic engineering | 78 | 6.7K | 176 | 83 |
| 158 | Water | 124 | 6.7K | 200 | 237 |
| 159 | Renewable Energy Sources | 108 | 6.6K | 171 | 245 |
| 160 | Perception | 145 | 6.6K | 141 | 99 |
| 161 | Industrial Engineering | 150 | 6.6K | 62 | 42 |
| 162 | Meteorology | 96 | 6.6K | 270 | 216 |
| 163 | Hydrology | 185 | 6.6K | 113 | 132 |
| 164 | biological evolution | 109 | 6.6K | 207 | 244 |
| 165 | Technology | 163 | 6.5K | 288 | 206 |
| 166 | Earth Sciences | 142 | 6.3K | 265 | 240 |
| 167 | Zoology | 182 | 6.3K | 122 | 94 |
| 168 | Medical Oncology | 151 | 6.3K | 108 | 114 |
| 169 | Molecular Genetics | 111 | 6.3K | 133 | 140 |
| 170 | Diet | 80 | 6.2K | 241 | 187 |
| 171 | Energy Policy | 238 | 6.2K | 53 | 178 |
| 172 | Bacteriology | 67 | 6.2K | 280 | 185 |
| 173 | Cosmochemistry | 120 | 6.1K | 11 | 12 |
| 174 | Molecular Microbiology | 57 | 6.0K | 100 | 63 |
| 175 | pain | 208 | 6.0K | 41 | 111 |
| 176 | Evolution | 122 | 5.9K | 159 | 220 |
| 177 | Organometallic compounds | 123 | 5.9K | 33 | 15 |
| 178 | psychotherapy | 124 | 5.9K | 75 | 103 |
| 179 | Environmental Microbiology | 71 | 5.8K | 81 | 74 |
| 180 | Microorganisms | 31 | 5.7K | 158 | 57 |
| 181 | plant molecular biology | 57 | 5.6K | 234 | 201 |
| 182 | Therapeutics | 129 | 5.6K | 109 | 113 |
| 183 | Organic Chemistry | 114 | 5.6K | 378 | 241 |
| 184 | Parasitology | 136 | 5.5K | 107 | 78 |
| 185 | Genomics | 141 | 5.5K | 228 | 227 |
| 186 | sanitation | 93 | 5.5K | 157 | 223 |
| 187 | soil microbiology | 64 | 5.5K | 165 | 126 |
| 188 | Virulence | 75 | 5.4K | 95 | 113 |
| 189 | Cognition | 145 | 5.3K | 136 | 168 |
| 190 | Water pollution | 111 | 5.3K | 237 | 251 |
| 191 | Toxicology | 160 | 5.3K | 432 | 474 |
| 192 | Orthopedics | 118 | 5.2K | 107 | 63 |
| 193 | Research Design | 117 | 5.2K | 51 | 80 |
| 194 | commerce | 21 | 5.2K | 397 | 101 |
| 195 | Memory | 161 | 5.2K | 120 | 149 |
| 196 | Social Sciences | 200 | 5.2K | 166 | 169 |
| 197 | nucleic acids | 98 | 5.1K | 180 | 275 |
| 198 | Social Psychology | 149 | 5.1K | 179 | 256 |
| 199 | Community Psychiatry | 81 | 5.1K | 59 | 32 |
| 200 | Plant cells | 57 | 5.0K | 202 | 226 |
| 201 | Polymers | 126 | 5.0K | 706 | 556 |
| 202 | Physical Therapy | 97 | 4.9K | 97 | 86 |
| 203 | Analytical Chemistry | 121 | 4.9K | 647 | 537 |
| 204 | Parasitic Diseases | 117 | 4.9K | 86 | 87 |
| 205 | Climatology | 37 | 4.9K | 404 | 175 |
| 206 | Biogeochemistry | 86 | 4.9K | 84 | 108 |
| 207 | Telecommunication | 111 | 4.9K | 269 | 249 |
| 208 | Immunotherapy | 64 | 4.9K | 218 | 180 |
| 209 | Mental Health | 206 | 4.8K | 31 | 45 |
| 210 | Psychosomatic Medicine | 54 | 4.8K | 70 | 39 |
| 211 | Physical Chemistry | 92 | 4.8K | 270 | 228 |
| 212 | Medical Laboratory Science | 102 | 4.8K | 129 | 165 |
| 213 | Transportation | 163 | 4.8K | 88 | 114 |
| 214 | Nanostructured Materials | 142 | 4.8K | 336 | 381 |
| 215 | Pharmaceutical Chemistry | 105 | 4.7K | 475 | 398 |
| 216 | Radiobiology | 118 | 4.7K | 103 | 99 |
| 217 | Business Ethics | 53 | 4.6K | 32 | 35 |
| 218 | Autoimmunity | 66 | 4.6K | 33 | 22 |
| 219 | Medical Anthropology | 75 | 4.6K | 123 | 114 |
| 220 | Meteorites | 73 | 4.6K | 144 | 140 |
| 221 | Chemotherapy | 82 | 4.5K | 101 | 40 |
| 222 | Psychopharmacology | 69 | 4.5K | 190 | 170 |
| 223 | Environmental monitoring | 106 | 4.5K | 365 | 404 |
| 224 | Alzheimer's disease | 201 | 4.5K | 75 | 91 |
| 225 | health planning | 130 | 4.4K | 60 | 39 |
| 226 | epilepsy | 114 | 4.4K | 22 | 20 |
| 227 | visualization | 142 | 4.4K | 55 | 24 |
| 228 | Audiology | 68 | 4.4K | 80 | 38 |
| 229 | Bones | 61 | 4.4K | 49 | 36 |
| 230 | diseases | 8 | 4.3K | 129 | 92 |
| 231 | Disease | 7 | 4.3K | 151 | 93 |
| 232 | Mathematical Physics | 160 | 4.3K | 268 | 263 |
| 233 | Photonics | 38 | 4.3K | 494 | 236 |
| 234 | concrete | 65 | 4.3K | 93 | 94 |
| 235 | Dementia | 200 | 4.3K | 63 | 78 |
| 236 | Social work | 190 | 4.3K | 60 | 49 |
| 237 | Paleontology | 122 | 4.3K | 80 | 43 |
| 238 | viruses | 53 | 4.2K | 252 | 200 |
| 239 | Urology | 97 | 4.2K | 180 | 144 |
| 239 | child abuse | 79 | 4.2K | 49 | 42 |
| 241 | alcoholism | 110 | 4.2K | 126 | 114 |
| 242 | Biodiversity conservation | 42 | 4.1K | 331 | 321 |
| 243 | Systems Engineering | 80 | 4.1K | 171 | 88 |
| 244 | Industrial Microbiology | 47 | 4.1K | 269 | 115 |
| 245 | proteins | 126 | 4.1K | 112 | 154 |
| 246 | Quality of life | 92 | 4.0K | 47 | 76 |
| 247 | Cement | 53 | 4.0K | 51 | 60 |
| 248 | government | 214 | 4.0K | 12 | 23 |
| 249 | Sleep Disorders | 158 | 4.0K | 55 | 110 |
| 250 | Archaeology | 130 | 3.9K | 77 | 70 |
| 251 | Optics | 245 | 3.8K | 371 | 470 |
| 252 | Recombinant DNA | 44 | 3.8K | 190 | 48 |
| 253 | Artificial Intelligence | 144 | 3.8K | 269 | 419 |
| 253 | Molecular cloning | 42 | 3.8K | 175 | 43 |
| 253 | Genetic recombination | 42 | 3.8K | 162 | 42 |
| 256 | Soil biology | 56 | 3.8K | 97 | 109 |
| 257 | Information Theory | 90 | 3.8K | 108 | 104 |
| 258 | Cardiovascular diseases | 99 | 3.7K | 129 | 102 |
| 259 | drug addiction | 85 | 3.7K | 108 | 97 |
| 260 | Operations Research | 78 | 3.7K | 291 | 178 |
| 261 | Biomass Energy | 65 | 3.7K | 298 | 302 |
| 262 | polymerization | 90 | 3.7K | 716 | 547 |
| 263 | Histology | 103 | 3.7K | 144 | 172 |
| 264 | Attention | 127 | 3.7K | 139 | 147 |
| 265 | Transplantation | 67 | 3.6K | 130 | 130 |
| 266 | Automation | 111 | 3.6K | 228 | 328 |
| 267 | Mineralogy | 78 | 3.6K | 188 | 152 |
| 268 | Educational Psychology | 122 | 3.6K | 91 | 139 |
| 269 | Geodesy | 90 | 3.6K | 14 | 9 |
| 270 | Parasites | 95 | 3.6K | 71 | 64 |
| 271 | Energy Conversion | 40 | 3.6K | 229 | 228 |
| 272 | marketing | 52 | 3.5K | 333 | 261 |
| 273 | environmental protection | 111 | 3.5K | 257 | 376 |
| 273 | Carbon | 26 | 3.5K | 302 | 130 |
| 275 | Emergency Medicine | 147 | 3.5K | 65 | 68 |
| 276 | Physical fitness | 71 | 3.5K | 44 | 50 |
| 276 | Microwave devices | 80 | 3.5K | 17 | 10 |
| 278 | Light | 22 | 3.5K | 243 | 151 |
| 279 | Learning | 81 | 3.5K | 123 | 150 |
| 280 | Pregnancy | 72 | 3.5K | 30 | 17 |
| 281 | Cytogenetics | 67 | 3.5K | 152 | 204 |
| 282 | innovation | 24 | 3.4K | 73 | 60 |
| 283 | Petrology | 68 | 3.4K | 152 | 141 |
| 284 | Sleep | 100 | 3.4K | 109 | 128 |
| 285 | Climate change | 19 | 3.4K | 344 | 298 |
| 285 | Eutrophication | 19 | 3.4K | 337 | 297 |
| 287 | Family | 102 | 3.4K | 50 | 52 |
| 288 | Public Policy | 97 | 3.4K | 107 | 106 |
| 289 | health behavior | 73 | 3.4K | 93 | 69 |
| 290 | Nursing | 183 | 3.4K | 53 | 68 |
| 291 | Primates | 112 | 3.4K | 23 | 30 |
| 292 | Bipolar Disorder | 19 | 3.4K | 88 | 27 |
| 293 | Australia | 145 | 3.4K | 64 | 69 |
| 294 | fertility | 76 | 3.4K | 95 | 107 |
| 295 | Production Management | 61 | 3.3K | 89 | 132 |
| 296 | cell physiology | 63 | 3.3K | 184 | 219 |
| 297 | Vaccines | 120 | 3.3K | 91 | 129 |
| 298 | Radio | 85 | 3.3K | 168 | 201 |
| 299 | computer networks | 95 | 3.2K | 213 | 179 |
| 300 | Asthma | 42 | 3.2K | 41 | 10 |
| 301 | Population Genetics | 65 | 3.2K | 138 | 170 |
| 302 | Statistics | 175 | 3.2K | 189 | 286 |
| 303 | infection | 70 | 3.2K | 165 | 145 |
| 304 | Adolescent | 198 | 3.2K | 90 | 176 |
| 305 | Venture Capital | 17 | 3.2K | 35 | 48 |
| 306 | Conservation Biology | 48 | 3.1K | 129 | 99 |
| 307 | Infections | 61 | 3.1K | 105 | 121 |
| 308 | behavioral medicine | 61 | 3.1K | 142 | 164 |
| 309 | gene therapy | 35 | 3.0K | 177 | 105 |
| 310 | Digestive system diseases | 80 | 3.0K | 57 | 32 |
| 311 | Computer Science | 61 | 3.0K | 164 | 49 |
| 311 | Visual Perception | 117 | 3.0K | 137 | 161 |
| 313 | Dermatology | 121 | 3.0K | 133 | 168 |
| 314 | Spine | 74 | 3.0K | 55 | 76 |
| 315 | Molecular ecology | 53 | 3.0K | 137 | 179 |
| 316 | Paleogeography | 65 | 3.0K | 63 | 62 |
| 317 | Environmental Policy | 91 | 3.0K | 313 | 511 |
| 318 | Clinical Chemistry | 112 | 3.0K | 270 | 370 |
| 319 | energy resources | 77 | 3.0K | 59 | 191 |
| 320 | Stem cells | 60 | 2.9K | 184 | 169 |
| 321 | Developing countries | 91 | 2.9K | 173 | 198 |
| 322 | Hemodynamics | 41 | 2.9K | 106 | 109 |
| 323 | embryonic development | 48 | 2.9K | 13 | 7 |
| 323 | Gerontology | 176 | 2.9K | 107 | 161 |
| 325 | Systems Biology | 108 | 2.9K | 55 | 83 |
| 325 | Health Education | 128 | 2.9K | 132 | 165 |
| 327 | Chromosomes | 35 | 2.9K | 127 | 50 |
| 328 | Image Processing | 106 | 2.9K | 196 | 303 |
| 329 | Hemophilia | 55 | 2.9K | 24 | 16 |
| 330 | Dialysis | 189 | 2.9K | 2 | 2 |
| 330 | Kidney transplantation | 189 | 2.9K | 2 | 2 |
| 330 | Infertility | 70 | 2.9K | 92 | 110 |
| 333 | Personality Assessment | 22 | 2.9K | 134 | 42 |
| 334 | Developmental Disabilities | 82 | 2.9K | 83 | 115 |
| 335 | Oceanography | 56 | 2.9K | 328 | 270 |
| 335 | Performance | 12 | 2.9K | 103 | 8 |
| 337 | Women's health | 89 | 2.8K | 65 | 50 |
| 338 | Paleoclimatology | 70 | 2.8K | 102 | 107 |
| 339 | Manufacturing Processes | 61 | 2.8K | 359 | 240 |
| 340 | Environmental Chemistry | 39 | 2.8K | 353 | 350 |
| 341 | Organic Geochemistry | 60 | 2.8K | 17 | 32 |
| 342 | Ophthalmology | 64 | 2.8K | 289 | 239 |
| 343 | Palliative Care | 71 | 2.7K | 50 | 38 |
| 344 | Inflammation | 67 | 2.7K | 39 | 61 |
| 345 | Atmospheric Physics | 69 | 2.7K | 261 | 277 |
| 346 | nanoscience | 41 | 2.7K | 739 | 599 |
| 347 | Geography | 135 | 2.7K | 162 | 265 |
| 348 | mass transfer | 68 | 2.7K | 198 | 182 |
| 348 | Proteome | 62 | 2.7K | 96 | 132 |
| 350 | Soil Mechanics | 60 | 2.7K | 159 | 126 |
| 351 | Autism | 53 | 2.7K | 70 | 68 |
| 352 | Paleoecology | 62 | 2.7K | 106 | 93 |
| 353 | locomotion | 47 | 2.6K | 35 | 29 |
| 353 | posture | 47 | 2.6K | 35 | 29 |
| 353 | gait | 47 | 2.6K | 35 | 29 |
| 353 | walking | 47 | 2.6K | 35 | 29 |
| 357 | Radiography | 45 | 2.6K | 113 | 128 |
| 358 | counseling | 126 | 2.6K | 82 | 120 |
| 359 | Decision making | 74 | 2.6K | 90 | 130 |
| 360 | Animal ecology | 57 | 2.6K | 158 | 145 |
| 361 | Allergies | 27 | 2.6K | 12 | 8 |
| 362 | Composite Materials | 56 | 2.6K | 545 | 519 |
| 363 | Environmental Toxicology | 38 | 2.6K | 473 | 298 |
| 364 | Cybernetics | 70 | 2.6K | 155 | 220 |
| 365 | Clinical Immunology | 78 | 2.6K | 77 | 86 |
| 366 | Computer-Aided Design | 58 | 2.6K | 105 | 66 |
| 367 | Fisheries | 59 | 2.6K | 213 | 157 |
| 368 | drugs | 73 | 2.6K | 213 | 185 |
| 369 | Wireless Communication Systems | 121 | 2.5K | 205 | 292 |
| 370 | Computational Biology | 107 | 2.5K | 217 | 399 |
| 371 | Human-Computer Interaction | 47 | 2.5K | 141 | 83 |
| 371 | Electrophysiology | 89 | 2.5K | 52 | 51 |
| 373 | Plant tissue culture | 67 | 2.5K | 26 | 17 |
| 374 | Anthropology | 177 | 2.5K | 82 | 124 |
| 375 | Plant cell culture | 57 | 2.5K | 19 | 18 |
| 376 | Muscles | 60 | 2.5K | 56 | 68 |
| 377 | Porous materials | 79 | 2.5K | 10 | 9 |
| 378 | Bioorganic chemistry | 58 | 2.5K | 499 | 425 |
| 379 | Substance Abuse | 95 | 2.4K | 125 | 137 |
| 380 | health services accessibility | 53 | 2.4K | 82 | 48 |
| 381 | water supply | 56 | 2.4K | 122 | 144 |
| 382 | Oncogenes | 39 | 2.4K | 209 | 249 |
| 383 | economic policy | 108 | 2.4K | 150 | 150 |
| 384 | Bacterial infections | 16 | 2.4K | 215 | 134 |
| 385 | Plant Ecology | 45 | 2.4K | 351 | 315 |
| 386 | mycoses | 12 | 2.4K | 287 | 125 |
| 387 | Nonlinear Dynamics | 97 | 2.4K | 296 | 340 |
| 388 | Optical materials | 54 | 2.4K | 543 | 528 |
| 389 | Astrocytes | 28 | 2.4K | 50 | 44 |
| 390 | Geomorphology | 55 | 2.4K | 175 | 178 |
| 391 | Ergonomics | 75 | 2.3K | 90 | 73 |
| 392 | Experimental Psychology | 39 | 2.3K | 75 | 77 |
| 393 | Software Engineering | 76 | 2.3K | 58 | 95 |
| 394 | Wildlife conservation | 40 | 2.3K | 188 | 156 |
| 395 | Magnetic Resonance Imaging | 59 | 2.3K | 26 | 30 |
| 396 | Psycholinguistics | 47 | 2.3K | 140 | 144 |
| 396 | Petroleum Geology | 64 | 2.3K | 27 | 34 |
| 396 | gene mapping | 55 | 2.3K | 266 | 320 |
| 399 | Medical Technology | 57 | 2.3K | 118 | 94 |
| 400 | Mental Health Services | 67 | 2.3K | 114 | 95 |
| 401 | Environmental Management | 77 | 2.3K | 309 | 546 |
| 401 | older people | 171 | 2.3K | 92 | 112 |
| 403 | Psychiatric Epidemiology | 44 | 2.2K | 33 | 29 |
| 404 | Thrombosis | 54 | 2.2K | 146 | 182 |
| 405 | preventive medicine | 82 | 2.2K | 96 | 167 |
| 406 | Eating Disorders | 79 | 2.2K | 59 | 82 |
| 407 | movement | 32 | 2.2K | 14 | 9 |
| 408 | Remote Sensing | 212 | 2.2K | 18 | 56 |
| 409 | Bioinformatics | 75 | 2.2K | 230 | 362 |
| 410 | Combinatorial analysis | 86 | 2.2K | 65 | 35 |
| 411 | Neuromuscular diseases | 53 | 2.2K | 46 | 50 |
| 412 | Genetic therapy | 29 | 2.2K | 227 | 136 |
| 413 | Chromosome mapping | 49 | 2.2K | 250 | 258 |
| 414 | Marine Geology | 61 | 2.2K | 33 | 36 |
| 415 | Neuroimmunology | 39 | 2.1K | 70 | 89 |
| 416 | Health Services Administration | 76 | 2.1K | 54 | 76 |
| 417 | ecosystem | 35 | 2.1K | 256 | 215 |
| 418 | Educational Technology | 57 | 2.1K | 117 | 97 |
| 419 | Psychoneuroimmunology | 37 | 2.1K | 60 | 78 |
| 420 | Developmental Psychology | 63 | 2.1K | 125 | 170 |
| 421 | Molecular structure | 66 | 2.1K | 283 | 326 |
| 421 | Biodiversity | 73 | 2.1K | 226 | 360 |
| 423 | Information Science | 103 | 2.1K | 158 | 348 |
| 424 | Radio waves | 50 | 2.1K | 154 | 142 |
| 424 | China | 85 | 2.1K | 311 | 249 |
| 426 | Medical Imaging | 53 | 2.1K | 22 | 30 |
| 427 | Thorax | 83 | 2.1K | 39 | 51 |
| 428 | Greenhouse gases | 44 | 2.1K | 14 | 21 |
| 429 | Linguistics | 58 | 2.1K | 198 | 145 |
| 430 | Immunopathology | 55 | 2.0K | 175 | 171 |
| 431 | Leukemia | 40 | 2.0K | 179 | 204 |
| 432 | Detectors | 61 | 2.0K | 122 | 93 |
| 433 | families | 59 | 2.0K | 69 | 55 |
| 434 | complementary therapies | 96 | 2.0K | 58 | 80 |
| 435 | Alternative Medicine | 91 | 2.0K | 46 | 79 |
| 436 | Civil Engineering | 140 | 2.0K | 58 | 63 |
| 437 | North America | 37 | 2.0K | 110 | 33 |
| 438 | Molecular evolution | 39 | 2.0K | 261 | 275 |
| 439 | Sustainable Development | 30 | 2.0K | 339 | 258 |
| 440 | Neurotransmitters | 17 | 2.0K | 67 | 35 |
| 441 | Vocational guidance | 56 | 2.0K | 122 | 150 |
| 442 | Feeding and Eating Disorders | 66 | 2.0K | 65 | 91 |
| 443 | microwave communication systems | 60 | 2.0K | 21 | 18 |
| 444 | System analysis | 89 | 1.9K | 199 | 278 |
| 444 | Agriculture | 44 | 1.9K | 356 | 289 |
| 446 | Autoimmune diseases | 33 | 1.9K | 69 | 50 |
| 447 | Randomized Controlled Trials | 88 | 1.9K | 57 | 51 |
| 448 | Diagnostic Imaging | 96 | 1.9K | 158 | 284 |
| 449 | Robotics | 43 | 1.9K | 313 | 222 |
| 450 | Marine Biology | 60 | 1.9K | 505 | 503 |
| 450 | Europe | 98 | 1.9K | 349 | 405 |
| 452 | Food | 55 | 1.9K | 547 | 581 |
| 453 | DNA repair | 23 | 1.9K | 35 | 15 |
| 454 | Clinical Biochemistry | 86 | 1.9K | 44 | 115 |
| 455 | Child welfare | 73 | 1.8K | 82 | 70 |
| 456 | city planning | 64 | 1.8K | 172 | 185 |
| 457 | enzymes | 45 | 1.8K | 204 | 171 |
| 458 | Bone diseases | 24 | 1.8K | 59 | 73 |
| 459 | Agricultural Ecology | 30 | 1.8K | 176 | 181 |
| 460 | Cerebral cortex | 49 | 1.8K | 132 | 194 |
| 461 | human development | 57 | 1.8K | 71 | 105 |
| 462 | Philosophy | 154 | 1.8K | 117 | 115 |
| 463 | Genetic regulation | 32 | 1.8K | 183 | 222 |
| 464 | fuel cells | 44 | 1.8K | 202 | 291 |
| 465 | Autoantibodies | 30 | 1.8K | 63 | 43 |
| 466 | protein | 61 | 1.8K | 111 | 172 |
| 467 | behavior therapy | 50 | 1.8K | 136 | 141 |
| 468 | Magnetic Resonance Spectroscopy | 57 | 1.8K | 170 | 139 |
| 469 | Mechanical Engineering | 107 | 1.8K | 207 | 232 |
| 470 | Navigation | 69 | 1.8K | 8 | 5 |
| 471 | Fishery management | 30 | 1.8K | 158 | 65 |
| 472 | Dietetics | 14 | 1.8K | 231 | 55 |
| 473 | Sites | 31 | 1.8K | 88 | 79 |
| 474 | Numerical Analysis | 79 | 1.7K | 237 | 233 |
| 475 | Multiphase Flow | 14 | 1.7K | 122 | 34 |
| 476 | Communication | 69 | 1.7K | 272 | 357 |
| 477 | Neurosurgery | 41 | 1.7K | 125 | 125 |
| 478 | Structural Engineering | 78 | 1.7K | 214 | 265 |
| 479 | Comparative Physiology | 46 | 1.7K | 90 | 102 |
| 480 | Roads | 81 | 1.7K | 74 | 68 |
| 481 | Population | 33 | 1.7K | 119 | 90 |
| 482 | Information Technology | 35 | 1.7K | 452 | 381 |
| 483 | nuclear magnetic resonance | 53 | 1.7K | 170 | 139 |
| 484 | Sedimentology | 33 | 1.7K | 54 | 55 |
| 485 | Energy Storage | 38 | 1.7K | 196 | 201 |
| 486 | Adolescent Psychology | 54 | 1.6K | 81 | 118 |
| 487 | Cell death | 32 | 1.6K | 259 | 317 |
| 488 | Political Science | 65 | 1.6K | 272 | 253 |
| 488 | Green Chemistry | 50 | 1.6K | 283 | 452 |
| 490 | software | 35 | 1.6K | 94 | 71 |
| 491 | Exercise | 84 | 1.6K | 79 | 162 |
| 492 | vascular diseases | 30 | 1.6K | 153 | 183 |
| 493 | Cognitive neuroscience | 48 | 1.6K | 166 | 278 |
| 494 | organization | 32 | 1.6K | 137 | 226 |
| 495 | Signal Transduction | 37 | 1.6K | 247 | 321 |
| 496 | Engineering Geology | 49 | 1.6K | 207 | 231 |
| 497 | Process Control | 34 | 1.6K | 101 | 192 |
| 498 | Emotions | 21 | 1.6K | 164 | 124 |
| 499 | Sedimentary rocks | 24 | 1.6K | 86 | 41 |
| 500 | Analytical Biochemistry | 34 | 1.6K | 294 | 213 |
| 501 | Atmospheric Chemistry | 26 | 1.6K | 284 | 286 |
| 502 | Smoking | 41 | 1.5K | 115 | 114 |
| 503 | Groundwater | 33 | 1.5K | 86 | 52 |
| 504 | Dynamics | 41 | 1.5K | 246 | 98 |
| 505 | General Surgery | 9 | 1.5K | 288 | 62 |
| 506 | Nanostructures | 11 | 1.5K | 1,009 | 406 |
| 507 | cell interaction | 19 | 1.5K | 287 | 128 |
| 508 | drug resistance | 45 | 1.5K | 25 | 32 |
| 509 | Developmental Genetics | 17 | 1.5K | 148 | 156 |
| 509 | Medical Ethics | 62 | 1.5K | 115 | 68 |
| 511 | energy development | 29 | 1.5K | 83 | 190 |
| 512 | Anxiety Disorders | 28 | 1.5K | 97 | 118 |
| 513 | mammals | 44 | 1.5K | 106 | 76 |
| 514 | Cognitive Science | 41 | 1.5K | 257 | 310 |
| 515 | Geriatric Psychiatry | 43 | 1.5K | 93 | 105 |
| 516 | Bioinorganic chemistry | 49 | 1.5K | 230 | 190 |
| 517 | Learning disabilities | 47 | 1.5K | 114 | 107 |
| 518 | Geodynamics | 41 | 1.5K | 161 | 202 |
| 518 | Lipids | 22 | 1.5K | 342 | 248 |
| 520 | gastrointestinal tract | 20 | 1.5K | 35 | 33 |
| 521 | Geomagnetism | 39 | 1.5K | 113 | 89 |
| 522 | Anxiety | 29 | 1.5K | 92 | 122 |
| 523 | finance | 84 | 1.5K | 277 | 452 |
| 524 | clay | 28 | 1.4K | 107 | 84 |
| 525 | Morphology | 46 | 1.4K | 86 | 71 |
| 526 | Combustion | 45 | 1.4K | 219 | 213 |
| 527 | Algebra | 70 | 1.4K | 172 | 72 |
| 528 | Molecules | 38 | 1.4K | 364 | 281 |
| 529 | Ion channels | 71 | 1.4K | 1 | 1 |
| 530 | Social behavior | 35 | 1.4K | 234 | 265 |
| 531 | Fluid Dynamics | 62 | 1.4K | 116 | 163 |
| 531 | Quantum theory | 40 | 1.4K | 162 | 113 |
| 533 | Aquatic ecology | 44 | 1.4K | 74 | 71 |
| 534 | Hormones | 31 | 1.4K | 284 | 260 |
| 535 | Marriage | 42 | 1.3K | 48 | 44 |
| 536 | plant communities | 29 | 1.3K | 259 | 311 |
| 537 | brain mapping | 45 | 1.3K | 71 | 148 |
| 538 | Adult Education | 77 | 1.3K | 20 | 16 |
| 539 | Multiple sclerosis | 56 | 1.3K | 17 | 12 |
| 540 | Leisure | 29 | 1.3K | 39 | 33 |
| 541 | Regional Planning | 41 | 1.3K | 293 | 282 |
| 541 | Strategic planning | 25 | 1.3K | 88 | 89 |
| 543 | Community Psychology | 14 | 1.3K | 196 | 108 |
| 544 | Psychiatric Nursing | 33 | 1.3K | 68 | 24 |
| 545 | Proteomics | 35 | 1.3K | 134 | 185 |
| 546 | Ecosystem management | 11 | 1.3K | 282 | 94 |
| 547 | Geographic information systems | 64 | 1.3K | 49 | 55 |
| 548 | Economic History | 113 | 1.3K | 285 | 551 |
| 549 | drug development | 55 | 1.3K | 72 | 288 |
| 550 | Teaching | 79 | 1.3K | 162 | 274 |
| 551 | Photochemistry | 31 | 1.3K | 347 | 264 |
| 552 | Molecular Pharmacology | 38 | 1.3K | 109 | 157 |
| 553 | Wildlife management | 22 | 1.3K | 154 | 59 |
| 554 | Family Therapy | 57 | 1.2K | 70 | 76 |
| 555 | Elderly | 120 | 1.2K | 92 | 71 |
| 556 | Cerebellum | 17 | 1.2K | 49 | 33 |
| 556 | Cerebellar ataxia | 17 | 1.2K | 49 | 33 |
| 558 | Biopharmaceutics | 31 | 1.2K | 157 | 168 |
| 559 | Maternal health services | 23 | 1.2K | 70 | 30 |
| 560 | Ocean Engineering | 53 | 1.2K | 318 | 390 |
| 561 | risk factors | 25 | 1.2K | 133 | 106 |
| 562 | Energy Consumption | 17 | 1.2K | 70 | 55 |
| 563 | Biosensors | 30 | 1.2K | 254 | 371 |
| 564 | cell movement | 13 | 1.2K | 57 | 20 |
| 565 | feeding behavior | 28 | 1.2K | 140 | 139 |
| 566 | Trademarks | 22 | 1.2K | 6 | 2 |
| 567 | Psychiatric hospitals | 21 | 1.2K | 77 | 39 |
| 568 | Waste management | 27 | 1.2K | 279 | 125 |
| 569 | Carcinogenesis | 36 | 1.2K | 130 | 188 |
| 570 | Photogrammetry | 170 | 1.2K | 18 | 19 |
| 570 | footwear | 65 | 1.2K | 2 | 1 |
| 572 | hospice care | 28 | 1.2K | 52 | 11 |
| 573 | Gene expression regulation | 24 | 1.2K | 190 | 208 |
| 574 | mathematical analysis | 103 | 1.2K | 263 | 365 |
| 575 | Internet of Things | 31 | 1.2K | 220 | 238 |
| 576 | Depression | 24 | 1.2K | 47 | 89 |
| 577 | Holistic Health | 32 | 1.2K | 20 | 14 |
| 578 | Otolaryngology | 66 | 1.2K | 56 | 83 |
| 578 | Electrochemical Analysis | 36 | 1.2K | 317 | 268 |
| 580 | Quality Control | 27 | 1.2K | 333 | 229 |
| 581 | Ethics | 59 | 1.2K | 65 | 71 |
| 582 | Bioethics | 42 | 1.1K | 123 | 75 |
| 583 | health services | 51 | 1.1K | 129 | 148 |
| 584 | Hospitals | 7 | 1.1K | 208 | 48 |
| 585 | Human Geography | 54 | 1.1K | 145 | 194 |
| 586 | Parenteral nutrition | 46 | 1.1K | 119 | 259 |
| 587 | kidney | 31 | 1.1K | 6 | 7 |
| 588 | Natural resources | 40 | 1.1K | 77 | 152 |
| 589 | Occupational Therapy | 22 | 1.1K | 242 | 80 |
| 590 | Emergency Medical Services | 50 | 1.1K | 35 | 38 |
| 591 | Periglacial processes | 19 | 1.1K | 15 | 17 |
| 591 | Permafrost | 19 | 1.1K | 15 | 17 |
| 591 | Frozen ground | 19 | 1.1K | 15 | 17 |
| 594 | Microcirculation | 42 | 1.1K | 17 | 43 |
| 595 | sexual behavior | 30 | 1.1K | 99 | 119 |
| 596 | allied health | 18 | 1.1K | 27 | 15 |
| 597 | Plant genetic engineering | 23 | 1.1K | 200 | 205 |
| 598 | violence | 44 | 1.1K | 140 | 213 |
| 599 | Control Theory | 47 | 1.0K | 349 | 371 |
| 600 | School Psychology | 17 | 1.0K | 144 | 94 |
| 601 | Food Microbiology | 24 | 1.0K | 289 | 327 |
| 602 | Antibacterial agents | 15 | 1.0K | 154 | 81 |
| 603 | genome | 29 | 1.0K | 343 | 545 |
| 604 | Intelligent Transportation Systems | 26 | 1.0K | 241 | 264 |
| 605 | Economic Development | 24 | 1.0K | 423 | 429 |
| 605 | Social policy | 75 | 1.0K | 47 | 113 |
| 607 | Health promotion | 59 | 1.0K | 137 | 223 |
| 608 | Ethnoarchaeology | 24 | 1.0K | 10 | 12 |
| 609 | Biodegradation | 26 | 1.0K | 50 | 61 |
| 610 | Intellectual disability | 46 | 1.0K | 111 | 152 |
| 611 | Rock Mechanics | 36 | 1.0K | 183 | 226 |
| 612 | Earthquake Engineering | 45 | 1.0K | 293 | 373 |
| 613 | Quantum Gravity | 33 | 1.0K | 828 | 791 |
| 614 | Public Administration | 77 | 999 | 126 | 267 |
| 615 | Building Materials | 30 | 995 | 482 | 651 |
| 615 | Econometrics | 52 | 995 | 211 | 314 |
| 615 | Asia | 52 | 995 | 326 | 344 |
| 618 | Animal breeding | 42 | 991 | 129 | 138 |
| 619 | Oxidation-reduction | 14 | 990 | 266 | 298 |
| 620 | Pediatric Nursing | 32 | 988 | 45 | 35 |
| 621 | Medical innovations | 28 | 987 | 164 | 383 |
| 622 | Nanoparticles | 25 | 986 | 539 | 506 |
| 623 | Appetite | 20 | 982 | 157 | 135 |
| 624 | Bioelectronics | 22 | 978 | 269 | 388 |
| 625 | Human evolution | 29 | 976 | 80 | 109 |
| 626 | miniaturization | 26 | 972 | 531 | 674 |
| 627 | Soil Science | 26 | 971 | 521 | 506 |
| 628 | Sustainable Engineering | 35 | 967 | 314 | 491 |
| 628 | Environmental pollutants | 34 | 967 | 458 | 581 |
| 630 | disease vectors | 24 | 964 | 194 | 151 |
| 631 | Social welfare | 34 | 961 | 79 | 60 |
| 632 | economic forecasting | 5 | 958 | 197 | 48 |
| 633 | Engineering Mathematics | 73 | 957 | 171 | 299 |
| 633 | Hydraulic Engineering | 44 | 957 | 143 | 186 |
| 635 | Information Systems | 34 | 955 | 184 | 212 |
| 636 | Forecasting | 3 | 954 | 548 | 77 |
| 637 | Marriage counseling | 27 | 949 | 32 | 36 |
| 638 | Gastrointestinal diseases | 31 | 941 | 53 | 40 |
| 639 | Solar Energy | 29 | 940 | 344 | 465 |
| 640 | Energy Harvesting | 8 | 934 | 231 | 200 |
| 641 | Breeding | 39 | 931 | 220 | 266 |
| 642 | Production Engineering | 60 | 930 | 269 | 378 |
| 643 | Liposomes | 18 | 927 | 121 | 117 |
| 643 | Lipid bilayers | 17 | 927 | 110 | 112 |
| 645 | Radio wave propagation | 53 | 925 | 46 | 55 |
| 646 | Solid State Chemistry | 29 | 923 | 870 | 625 |
| 646 | Rock deformation | 19 | 923 | 11 | 7 |
| 648 | women | 25 | 920 | 141 | 35 |
| 649 | Solid State Physics | 53 | 919 | 1,094 | 1,181 |
| 650 | Cheminformatics | 5 | 917 | 182 | 85 |
| 651 | scientific societies | 26 | 915 | 121 | 120 |
| 652 | Magnetic Materials | 33 | 914 | 349 | 371 |
| 653 | rare diseases | 28 | 913 | 96 | 113 |
| 654 | Surveying | 84 | 903 | 5 | 3 |
| 655 | Organizational Behavior | 19 | 899 | 161 | 204 |
| 656 | animal diseases | 26 | 894 | 92 | 62 |
| 657 | Tropical Medicine | 37 | 890 | 302 | 302 |
| 658 | Infection control | 26 | 889 | 16 | 15 |
| 659 | Cardiac electrophysiology | 33 | 882 | 31 | 61 |
| 659 | arrhythmia | 33 | 882 | 31 | 61 |
| 661 | environmental exposure | 36 | 879 | 326 | 501 |
| 662 | adolescence | 42 | 874 | 145 | 265 |
| 663 | Plant diseases | 19 | 868 | 746 | 498 |
| 664 | Hippocampus | 24 | 867 | 36 | 89 |
| 665 | Electromagnetism | 46 | 866 | 126 | 198 |
| 666 | actuators | 32 | 864 | 575 | 714 |
| 666 | transducers | 32 | 864 | 575 | 714 |
| 668 | sports injuries | 40 | 863 | 30 | 32 |
| 669 | Humanities | 37 | 854 | 187 | 120 |
| 670 | Ecological Engineering | 13 | 852 | 159 | 95 |
| 670 | consumer behavior | 11 | 852 | 191 | 144 |
| 672 | Antioxidants | 11 | 851 | 309 | 274 |
| 673 | Graph Theory | 40 | 850 | 92 | 57 |
| 673 | Water quality management | 43 | 850 | 254 | 333 |
| 675 | Plant Genetics | 9 | 847 | 336 | 262 |
| 676 | Metals | 19 | 844 | 780 | 598 |
| 677 | cryosphere | 30 | 840 | 79 | 116 |
| 678 | Fluid Mechanics | 44 | 839 | 278 | 387 |
| 679 | pain management | 63 | 835 | 26 | 94 |
| 680 | Orthopedic Surgery | 25 | 834 | 163 | 139 |
| 681 | Continuing Education | 46 | 833 | 27 | 14 |
| 682 | Condensed Matter | 35 | 832 | 1,078 | 1,093 |
| 683 | Clinical Pharmacology | 30 | 831 | 263 | 286 |
| 684 | Heat Exchangers | 29 | 829 | 254 | 361 |
| 685 | educational innovations | 13 | 826 | 153 | 68 |
| 686 | Neuroendocrinology | 8 | 825 | 31 | 42 |
| 687 | Immunochemistry | 18 | 821 | 244 | 159 |
| 688 | Fisheries Law | 5 | 819 | 97 | 37 |
| 688 | fisheries management | 5 | 819 | 97 | 37 |
| 688 | Culture | 52 | 819 | 128 | 136 |
| 691 | Cognitive Therapy | 35 | 818 | 70 | 117 |
| 692 | Informatics | 16 | 814 | 247 | 164 |
| 693 | Distance Education | 22 | 810 | 35 | 40 |
| 694 | Fracture mechanics | 51 | 808 | 236 | 361 |
| 695 | Earthquakes | 18 | 803 | 105 | 54 |
| 695 | drug abuse | 38 | 803 | 78 | 104 |
| 697 | Traffic Engineering | 14 | 802 | 106 | 86 |
| 697 | Environmental Law | 21 | 802 | 286 | 469 |
| 699 | Mobile Computing | 26 | 799 | 236 | 239 |
| 699 | Hemostasis | 30 | 799 | 115 | 109 |
| 701 | Scandinavia | 28 | 797 | 87 | 96 |
| 702 | Project Management | 12 | 795 | 87 | 104 |
| 702 | Computational Intelligence | 34 | 795 | 53 | 55 |
| 704 | Forest Ecology | 29 | 792 | 216 | 306 |
| 705 | Organometallic chemistry | 27 | 785 | 596 | 383 |
| 706 | Differential Equations | 34 | 783 | 183 | 178 |
| 706 | Photobiology | 17 | 783 | 386 | 256 |
| 708 | Mass Spectrometry | 24 | 781 | 339 | 292 |
| 709 | Soil ecology | 14 | 779 | 266 | 214 |
| 710 | lasers | 13 | 777 | 1,058 | 483 |
| 711 | Physical Geography | 25 | 776 | 52 | 68 |
| 711 | Forest Management | 29 | 776 | 208 | 279 |
| 713 | Hydrogeology | 30 | 775 | 72 | 107 |
| 713 | Public opinion | 13 | 775 | 130 | 72 |
| 715 | Patient education | 25 | 774 | 127 | 165 |
| 715 | biological factors | 20 | 774 | 609 | 502 |
| 717 | Molecular Spectroscopy | 58 | 770 | 190 | 391 |
| 718 | Measurement | 38 | 769 | 195 | 238 |
| 719 | carcinogens | 17 | 767 | 267 | 267 |
| 720 | Industrial Safety | 41 | 754 | 133 | 232 |
| 721 | Telemedicine | 26 | 746 | 30 | 48 |
| 722 | Trace elements | 23 | 745 | 10 | 22 |
| 723 | Biogeography | 20 | 742 | 322 | 430 |
| 723 | Hydrodynamics | 27 | 742 | 100 | 150 |
| 725 | Neuropsychiatry | 35 | 736 | 118 | 206 |
| 725 | biomedicine | 12 | 736 | 121 | 66 |
| 727 | Leadership | 9 | 735 | 217 | 184 |
| 728 | mutagens | 14 | 733 | 264 | 257 |
| 729 | Ethnology | 49 | 730 | 174 | 206 |
| 730 | Computer Engineering | 37 | 729 | 56 | 79 |
| 730 | Osteoporosis | 26 | 729 | 22 | 31 |
| 732 | Cell division | 5 | 725 | 236 | 55 |
| 733 | Metallurgy | 24 | 723 | 739 | 664 |
| 734 | pollutants | 28 | 720 | 424 | 626 |
| 735 | Occupational Health | 46 | 719 | 106 | 199 |
| 735 | Socialization | 12 | 719 | 213 | 165 |
| 737 | role | 11 | 716 | 173 | 111 |
| 738 | Socioeconomic Factors | 27 | 713 | 116 | 147 |
| 739 | Boundary Value Problems | 34 | 711 | 110 | 142 |
| 739 | social science | 6 | 711 | 84 | 49 |
| 741 | Imaging systems | 38 | 710 | 45 | 43 |
| 742 | Youth | 18 | 709 | 201 | 211 |
| 743 | Employee selection | 19 | 705 | 10 | 9 |
| 744 | animals | 35 | 704 | 193 | 208 |
| 745 | Pediatric Rheumatology | 38 | 703 | 5 | 13 |
| 746 | Birds | 31 | 701 | 288 | 262 |
| 747 | Antenna Arrays | 33 | 699 | 96 | 132 |
| 747 | Cell adhesion | 3 | 699 | 133 | 8 |
| 749 | Entomology | 46 | 698 | 459 | 539 |
| 750 | Cell migration | 2 | 697 | 95 | 3 |
| 750 | Nonlinear mechanics | 43 | 697 | 15 | 45 |
| 752 | Experimental Design | 10 | 692 | 105 | 76 |
| 753 | Computer Vision | 22 | 690 | 310 | 410 |
| 754 | Human physiology | 7 | 686 | 36 | 7 |
| 755 | biopolymers | 16 | 681 | 449 | 369 |
| 756 | Credit | 2 | 680 | 139 | 10 |
| 756 | Money | 2 | 680 | 472 | 44 |
| 758 | Bioremediation | 26 | 679 | 58 | 133 |
| 758 | Plant hormones | 27 | 679 | 20 | 47 |
| 758 | natural disasters | 22 | 679 | 268 | 328 |
| 761 | Stress | 5 | 678 | 158 | 18 |
| 762 | Feminism | 11 | 675 | 234 | 74 |
| 763 | recreation | 38 | 673 | 97 | 109 |
| 764 | community participation | 32 | 671 | 4 | 14 |
| 764 | Faculty | 32 | 671 | 4 | 14 |
| 766 | physical therapy techniques | 8 | 669 | 39 | 9 |
| 766 | Heart Failure | 18 | 669 | 114 | 160 |
| 768 | income distribution | 2 | 668 | 208 | 35 |
| 769 | Neural circuitry | 34 | 667 | 410 | 671 |
| 770 | occupational diseases | 31 | 662 | 117 | 214 |
| 771 | Lung Transplantation | 22 | 659 | 99 | 124 |
| 771 | Heart transplantation | 22 | 659 | 99 | 124 |
| 771 | Plastics | 16 | 659 | 655 | 399 |
| 774 | Cytoskeleton | 18 | 657 | 51 | 53 |
| 775 | food technology | 16 | 655 | 1,107 | 977 |
| 776 | Cartography | 42 | 654 | 27 | 26 |
| 777 | Geotechnical Engineering | 35 | 649 | 92 | 138 |
| 778 | Electrocardiography | 17 | 648 | 64 | 27 |
| 779 | livestock | 17 | 646 | 147 | 75 |
| 780 | Building | 24 | 644 | 130 | 105 |
| 781 | Evidence-Based Medicine | 19 | 642 | 148 | 111 |
| 781 | Biometrics | 43 | 642 | 197 | 290 |
| 783 | Municipal Engineering | 4 | 641 | 256 | 18 |
| 784 | cloning | 8 | 634 | 319 | 278 |
| 785 | cytokines | 18 | 633 | 324 | 390 |
| 786 | Long-Term Care | 42 | 631 | 49 | 173 |
| 786 | Vision | 17 | 631 | 238 | 256 |
| 788 | Long-term care facilities | 41 | 628 | 50 | 174 |
| 789 | free radicals | 10 | 623 | 676 | 626 |
| 790 | Bacteria | 7 | 622 | 167 | 126 |
| 791 | elder abuse | 24 | 621 | 30 | 47 |
| 792 | Risk assessment | 16 | 615 | 99 | 40 |
| 793 | Geriatric Oncology | 25 | 614 | 81 | 134 |
| 794 | Gender Studies | 14 | 613 | 135 | 66 |
| 794 | Drug delivery systems | 12 | 613 | 698 | 613 |
| 794 | Developmental Immunology | 11 | 613 | 206 | 152 |
| 797 | disabilities | 26 | 609 | 126 | 146 |
| 798 | insurance | 39 | 607 | 44 | 64 |
| 799 | Social support | 16 | 603 | 18 | 9 |
| 799 | Social environment | 16 | 603 | 20 | 10 |
| 801 | calcification | 18 | 596 | 132 | 165 |
| 802 | Microelectronics | 16 | 594 | 743 | 772 |
| 802 | Insects | 14 | 594 | 588 | 370 |
| 804 | Protozoa | 9 | 591 | 173 | 98 |
| 805 | nursing ethics | 12 | 590 | 44 | 27 |
| 806 | Data Mining | 24 | 589 | 151 | 278 |
| 807 | viral genetics | 4 | 586 | 214 | 223 |
| 808 | Migration | 31 | 579 | 3 | 6 |
| 809 | Drug design | 19 | 577 | 443 | 485 |
| 810 | Hazardous waste | 10 | 576 | 422 | 402 |
| 811 | Lipid metabolism | 7 | 575 | 188 | 119 |
| 811 | Lipid | 7 | 575 | 188 | 120 |
| 813 | vibration | 23 | 573 | 308 | 355 |
| 813 | Export Marketing | 8 | 573 | 54 | 58 |
| 815 | Religion | 105 | 571 | 27 | 59 |
| 816 | Environmental Geology | 25 | 570 | 378 | 527 |
| 817 | curriculum planning | 14 | 567 | 28 | 14 |
| 818 | biocatalysis | 3 | 564 | 166 | 188 |
| 818 | Homogeneous catalysis | 3 | 564 | 166 | 188 |
| 818 | Heterogeneous catalysis | 3 | 564 | 166 | 188 |
| 821 | Clinical Trials | 27 | 562 | 88 | 109 |
| 822 | Water Purification | 21 | 556 | 284 | 247 |
| 823 | Surface-Active Agents | 12 | 554 | 416 | 377 |
| 823 | psychopathology | 18 | 554 | 87 | 132 |
| 823 | Surface properties | 12 | 554 | 455 | 421 |
| 826 | Neonatology | 31 | 552 | 55 | 118 |
| 827 | Pharmacogenetics | 21 | 549 | 225 | 314 |
| 827 | family violence | 22 | 549 | 70 | 127 |
| 829 | Actuarial Science | 33 | 546 | 30 | 48 |
| 830 | Solar System | 24 | 544 | 240 | 299 |
| 831 | Exercise therapy | 11 | 543 | 104 | 27 |
| 832 | Wetland ecology | 13 | 542 | 103 | 86 |
| 833 | Avionics | 9 | 541 | 26 | 7 |
| 833 | Reading | 24 | 541 | 136 | 166 |
| 835 | Combinatorial chemistry | 14 | 537 | 248 | 315 |
| 836 | Planetary Science | 23 | 533 | 122 | 118 |
| 837 | breastfeeding | 10 | 531 | 160 | 83 |
| 838 | Transportation Engineering | 26 | 527 | 56 | 94 |
| 838 | Speech Disorders | 20 | 527 | 341 | 370 |
| 840 | Photography | 120 | 526 | 171 | 140 |
| 840 | Water Microbiology | 11 | 526 | 101 | 71 |
| 840 | Wetland conservation | 10 | 526 | 90 | 68 |
| 840 | Mycology | 20 | 526 | 524 | 616 |
| 840 | Wetlands | 10 | 526 | 90 | 68 |
| 845 | Antigens | 25 | 525 | 167 | 244 |
| 846 | Knowledge | 22 | 524 | 118 | 92 |
| 846 | peptides | 19 | 524 | 145 | 106 |
| 848 | Respiratory system | 15 | 522 | 157 | 171 |
| 848 | Computer Literacy | 6 | 522 | 101 | 34 |
| 850 | Regional Development | 48 | 520 | 6 | 48 |
| 851 | Computer Architecture | 10 | 518 | 215 | 69 |
| 851 | International Finance | 28 | 518 | 435 | 618 |
| 853 | Organizational change | 12 | 515 | 243 | 185 |
| 854 | Pediatric Dermatology | 31 | 514 | 54 | 58 |
| 855 | Global Health | 42 | 512 | 109 | 210 |
| 855 | Microscopy | 20 | 512 | 385 | 367 |
| 855 | freshwater biology | 21 | 512 | 206 | 293 |
| 858 | Hematopoietic stem cell transplantation | 16 | 511 | 79 | 129 |
| 859 | Enteral nutrition | 22 | 509 | 192 | 344 |
| 860 | Geriatric Pharmacology | 13 | 508 | 65 | 53 |
| 861 | Animal husbandry | 9 | 505 | 130 | 57 |
| 862 | Structural dynamics | 17 | 504 | 383 | 448 |
| 863 | Approximation Theory | 38 | 502 | 34 | 58 |
| 864 | Biogeochemical cycles | 6 | 500 | 252 | 273 |
| 864 | Phylogeny | 6 | 500 | 585 | 406 |
| 866 | Soft Condensed Matter | 12 | 498 | 513 | 418 |
| 867 | histological techniques | 12 | 497 | 282 | 299 |
| 868 | Paleobiology | 13 | 496 | 90 | 19 |
| 868 | child behavior | 29 | 496 | 50 | 169 |
| 870 | radioactive waste | 8 | 495 | 405 | 429 |
| 870 | industrial waste | 8 | 495 | 439 | 431 |
| 872 | Mechatronics | 14 | 493 | 301 | 278 |
| 873 | Pharmacy | 15 | 492 | 841 | 788 |
| 873 | Telecommunication Systems | 40 | 492 | 232 | 416 |
| 873 | Speech | 19 | 492 | 284 | 368 |
| 876 | Travel | 28 | 491 | 109 | 156 |
| 876 | population policy | 1 | 491 | 291 | 19 |
| 878 | Paleopathology | 9 | 490 | 118 | 31 |
| 878 | Suicide | 28 | 490 | 70 | 162 |
| 878 | drug evaluation | 15 | 490 | 438 | 393 |
| 878 | Insect biochemistry | 6 | 490 | 265 | 156 |
| 882 | Database Management | 14 | 488 | 306 | 282 |
| 883 | Neuroimaging | 25 | 486 | 38 | 61 |
| 884 | micromechanics | 17 | 483 | 171 | 174 |
| 885 | Disability Law | 16 | 481 | 16 | 18 |
| 885 | Malaria | 13 | 481 | 245 | 203 |
| 885 | clay minerals | 9 | 481 | 101 | 81 |
| 888 | language | 27 | 479 | 170 | 319 |
| 889 | Plant Biotechnology | 5 | 477 | 536 | 243 |
| 889 | hazard mitigation | 19 | 477 | 173 | 264 |
| 891 | Pharmacokinetics | 5 | 476 | 598 | 287 |
| 892 | Thermodynamics | 28 | 468 | 230 | 221 |
| 893 | Africa | 21 | 463 | 416 | 297 |
| 894 | Nutrition physiology | 16 | 461 | 214 | 281 |
| 895 | Online social networks | 14 | 457 | 42 | 34 |
| 896 | Geometry | 60 | 456 | 125 | 199 |
| 897 | probabilities | 33 | 454 | 366 | 352 |
| 898 | Seismology | 26 | 453 | 106 | 163 |
| 899 | Fouling | 8 | 449 | 72 | 55 |
| 900 | Social Networks | 9 | 445 | 90 | 84 |
| 901 | atmosphere | 27 | 444 | 124 | 260 |
| 902 | Computational Fluid Dynamics | 12 | 437 | 243 | 189 |
| 903 | Ornithology | 18 | 436 | 334 | 279 |
| 904 | Human Capital | 7 | 433 | 96 | 57 |
| 905 | Brain damage | 27 | 431 | 50 | 115 |
| 905 | wildlife diseases | 21 | 431 | 7 | 9 |
| 907 | Cell communication | 6 | 428 | 351 | 248 |
| 908 | Matroids | 18 | 427 | 52 | 48 |
| 909 | Labor Supply | 5 | 426 | 26 | 10 |
| 910 | Social Issues | 15 | 424 | 57 | 87 |
| 910 | particles | 16 | 424 | 262 | 249 |
| 912 | Neurolinguistics | 11 | 422 | 169 | 206 |
| 913 | Animal Nutrition | 10 | 421 | 261 | 185 |
| 914 | Antibodies | 18 | 420 | 147 | 211 |
| 915 | Oxidative stress | 10 | 417 | 342 | 529 |
| 915 | Cross-Cultural Studies | 14 | 417 | 167 | 171 |
| 917 | Teratology | 14 | 415 | 70 | 101 |
| 918 | Sociolinguistics | 11 | 412 | 174 | 124 |
| 918 | carbon monoxide | 8 | 412 | 115 | 110 |
| 920 | Neuropharmacology | 15 | 411 | 183 | 222 |
| 920 | Cardiopulmonary Resuscitation | 24 | 411 | 9 | 4 |
| 920 | cardiac arrest | 24 | 411 | 9 | 4 |
| 920 | Jurisprudence | 13 | 411 | 389 | 280 |
| 920 | sex crimes | 22 | 411 | 144 | 218 |
| 925 | Technology Assessment | 8 | 409 | 116 | 147 |
| 926 | Crystallography | 66 | 408 | 201 | 379 |
| 926 | Aggression | 12 | 408 | 169 | 217 |
| 928 | Biomass | 8 | 405 | 288 | 279 |
| 929 | Multimedia Systems | 20 | 404 | 582 | 588 |
| 930 | Power Electronics | 24 | 403 | 311 | 576 |
| 930 | Thermochemistry | 17 | 403 | 149 | 143 |
| 932 | Macroeconomics | 20 | 402 | 29 | 71 |
| 932 | Water Conservation | 15 | 402 | 10 | 9 |
| 932 | mental processes | 20 | 402 | 65 | 85 |
| 935 | Radiology | 29 | 401 | 301 | 390 |
| 935 | Urban Economics | 4 | 401 | 291 | 164 |
| 937 | plasticity | 2 | 399 | 402 | 206 |
| 938 | Semiconductors | 16 | 398 | 884 | 723 |
| 938 | blood transfusion | 27 | 398 | 142 | 202 |
| 938 | at-risk youth | 3 | 398 | 100 | 42 |
| 941 | harm reduction | 19 | 395 | 27 | 38 |
| 942 | urban population | 3 | 394 | 201 | 129 |
| 943 | Obstetric Nursing | 10 | 393 | 118 | 68 |
| 944 | individual differences | 7 | 392 | 147 | 126 |
| 945 | chronic disease | 24 | 391 | 52 | 113 |
| 946 | Extracellular matrix | 8 | 388 | 101 | 144 |
| 946 | collagen | 8 | 388 | 106 | 147 |
| 948 | Gender identity | 6 | 387 | 153 | 37 |
| 949 | international trade | 17 | 385 | 147 | 214 |
| 950 | Functional Analysis | 29 | 384 | 349 | 465 |
| 950 | sexual orientation | 4 | 384 | 71 | 7 |
| 950 | Enzyme | 1 | 384 | 898 | 214 |
| 953 | Algae | 5 | 381 | 567 | 361 |
| 954 | body temperature | 11 | 380 | 135 | 95 |
| 955 | Multivariate Analysis | 24 | 379 | 86 | 180 |
| 955 | Genes | 23 | 379 | 255 | 408 |
| 957 | Mathematics Education | 13 | 378 | 131 | 93 |
| 958 | Operator theory | 27 | 374 | 26 | 23 |
| 958 | Organ transplantation | 22 | 374 | 73 | 70 |
| 960 | Japan | 25 | 373 | 404 | 487 |
| 961 | Cost effectiveness | 7 | 372 | 27 | 19 |
| 962 | Immunohistochemistry | 20 | 371 | 15 | 19 |
| 962 | Animal genetics | 8 | 371 | 315 | 218 |
| 964 | Integrated Circuits | 21 | 369 | 182 | 88 |
| 964 | Cytokine | 7 | 369 | 194 | 204 |
| 966 | world | 9 | 367 | 336 | 442 |
| 967 | Mechanics | 29 | 366 | 282 | 419 |
| 968 | Steroids | 23 | 364 | 245 | 382 |
| 969 | Electrophoresis | 21 | 362 | 483 | 691 |
| 970 | Demographic research | 2 | 361 | 146 | 78 |
| 971 | Evolutionary Genetics | 11 | 360 | 175 | 192 |
| 971 | Molecular Epidemiology | 11 | 360 | 175 | 192 |
| 973 | Architecture | 12 | 358 | 197 | 114 |
| 974 | wind erosion | 9 | 356 | 19 | 25 |
| 975 | Physical organic chemistry | 21 | 355 | 468 | 612 |
| 976 | Cellulose | 13 | 354 | 173 | 243 |
| 977 | Sexual health | 18 | 351 | 175 | 228 |
| 978 | Demography | 18 | 348 | 172 | 284 |
| 978 | Technological Innovations | 21 | 348 | 194 | 432 |
| 978 | Calorimetry | 11 | 348 | 527 | 353 |
| 978 | Human Resources | 6 | 348 | 278 | 236 |
| 978 | Thermal analysis | 11 | 348 | 527 | 353 |
| 983 | atmospheric models | 13 | 345 | 292 | 397 |
| 984 | Urban Policy | 17 | 344 | 200 | 355 |
| 985 | Synapses | 12 | 343 | 71 | 107 |
| 986 | Tribology | 15 | 342 | 450 | 468 |
| 987 | Veterinary Pathology | 12 | 341 | 128 | 69 |
| 987 | Transport | 7 | 341 | 321 | 283 |
| 987 | Development | 6 | 341 | 514 | 424 |
| 990 | Stochastic Processes | 16 | 340 | 269 | 239 |
| 991 | Special Education | 15 | 339 | 297 | 260 |
| 992 | Biological Systems | 2 | 336 | 698 | 174 |
| 992 | Rheology | 21 | 336 | 131 | 215 |
| 992 | Reproductive toxicology | 13 | 336 | 94 | 167 |
| 995 | Economic Geography | 14 | 333 | 91 | 128 |
| 996 | Histochemistry | 9 | 332 | 554 | 428 |
| 996 | Veterinary Immunology | 12 | 332 | 124 | 124 |
| 998 | Neurovirology | 13 | 331 | 70 | 81 |
| 998 | Autism spectrum disorders | 9 | 331 | 8 | 15 |
| 1000 | Andrology | 11 | 330 | 235 | 213 |