| 1 | Medicine | 2,740 | 251.0K | 110 | 52 |
| 2 | Science | 1,708 | 145.5K | 197 | 211 |
| 3 | Physics | 1,728 | 126.0K | 265 | 263 |
| 4 | Biology | 1,552 | 113.5K | 219 | 270 |
| 5 | Epidemiology | 1,005 | 104.3K | 38 | 10 |
| 6 | Chronic diseases | 561 | 90.8K | 1 | 1 |
| 7 | Public Health | 1,401 | 78.7K | 50 | 40 |
| 8 | Chemistry | 1,508 | 78.3K | 278 | 297 |
| 9 | Biochemistry | 1,839 | 71.9K | 198 | 229 |
| 10 | Surgery | 247 | 71.0K | 91 | 22 |
| 11 | Molecular Biology | 1,021 | 67.3K | 260 | 241 |
| 12 | Natural history | 267 | 59.0K | 245 | 258 |
| 13 | Microbiology | 771 | 59.0K | 232 | 162 |
| 14 | Neurology | 865 | 55.4K | 205 | 199 |
| 15 | Physiology | 925 | 55.0K | 60 | 38 |
| 16 | Research | 1,428 | 52.0K | 158 | 165 |
| 17 | Hematology | 1,327 | 47.4K | 63 | 61 |
| 18 | Psychology | 791 | 46.6K | 106 | 72 |
| 19 | Psychiatry | 1,026 | 45.3K | 66 | 94 |
| 20 | Immunology | 682 | 40.8K | 130 | 135 |
| 21 | Astrophysics | 565 | 39.6K | 309 | 299 |
| 22 | Materials | 984 | 39.5K | 160 | 193 |
| 23 | Polymers | 976 | 39.4K | 79 | 58 |
| 24 | Condensed Matter | 1,104 | 38.4K | 89 | 116 |
| 25 | Cytology | 414 | 38.4K | 263 | 230 |
| 26 | Health Services Research | 545 | 37.8K | 7 | 4 |
| 27 | Solid State Physics | 1,166 | 37.8K | 94 | 109 |
| 28 | Virology | 294 | 36.3K | 202 | 144 |
| 29 | medical education | 758 | 36.0K | 7 | 3 |
| 30 | Cell Biology | 389 | 35.4K | 243 | 238 |
| 31 | Spectrum analysis | 573 | 30.5K | 169 | 201 |
| 32 | Environment | 366 | 30.1K | 229 | 176 |
| 33 | Mental Disorders | 667 | 29.9K | 44 | 67 |
| 34 | Astronomy | 477 | 29.8K | 317 | 300 |
| 35 | Human genetics | 111 | 29.8K | 323 | 244 |
| 36 | Psychophysiology | 674 | 28.4K | 60 | 79 |
| 37 | polymerization | 662 | 27.6K | 97 | 61 |
| 38 | Pediatrics | 423 | 27.0K | 101 | 85 |
| 39 | Metabolism | 356 | 26.8K | 126 | 91 |
| 40 | Endocrinology | 340 | 26.7K | 178 | 131 |
| 41 | Sociology | 529 | 26.2K | 35 | 31 |
| 42 | Statistics | 615 | 25.6K | 30 | 38 |
| 43 | United States | 551 | 25.6K | 190 | 111 |
| 44 | Nuclear Physics | 860 | 24.9K | 291 | 340 |
| 45 | Research Design | 215 | 24.7K | 19 | 14 |
| 46 | arthritis | 162 | 24.5K | 68 | 13 |
| 47 | Biophysics | 683 | 24.1K | 212 | 190 |
| 48 | rehabilitation | 480 | 24.0K | 20 | 10 |
| 49 | Cardiovascular system | 282 | 23.8K | 53 | 59 |
| 50 | Critical Care | 330 | 23.7K | 19 | 24 |
| 51 | Critical Care Medicine | 331 | 23.6K | 20 | 24 |
| 52 | Behavior | 398 | 22.9K | 99 | 83 |
| 53 | Hypertension | 266 | 21.8K | 63 | 50 |
| 54 | Ecology | 403 | 21.7K | 406 | 440 |
| 55 | Mental illness | 470 | 21.6K | 28 | 46 |
| 56 | Respiration | 249 | 21.4K | 35 | 8 |
| 57 | Genetics | 280 | 20.6K | 267 | 261 |
| 58 | Sports Medicine | 423 | 20.4K | 44 | 23 |
| 59 | Medical Anthropology | 228 | 20.2K | 23 | 11 |
| 60 | Nutrition | 332 | 19.8K | 187 | 116 |
| 61 | Neurophysiology | 328 | 19.8K | 169 | 175 |
| 62 | Pharmacology | 602 | 19.3K | 210 | 234 |
| 63 | Medical genetics | 268 | 18.8K | 192 | 165 |
| 64 | Materials Science | 554 | 18.6K | 167 | 219 |
| 65 | Pollution | 377 | 18.4K | 247 | 299 |
| 66 | Animal Behavior | 334 | 17.8K | 46 | 47 |
| 67 | Metals | 370 | 17.4K | 59 | 61 |
| 68 | Metabolic diseases | 212 | 17.3K | 170 | 136 |
| 69 | Immunity | 179 | 16.8K | 130 | 163 |
| 70 | Environmental Health | 410 | 16.6K | 195 | 251 |
| 71 | Geriatrics | 596 | 16.3K | 55 | 77 |
| 72 | Diabetes | 193 | 15.9K | 144 | 116 |
| 73 | Metallurgy | 388 | 15.7K | 68 | 75 |
| 74 | Quality of life | 215 | 15.7K | 10 | 8 |
| 75 | Ethology | 262 | 15.6K | 39 | 39 |
| 76 | Chemical Engineering | 383 | 15.4K | 237 | 249 |
| 77 | Child | 405 | 15.3K | 42 | 31 |
| 78 | Colloids | 346 | 15.1K | 154 | 132 |
| 79 | biological evolution | 163 | 14.9K | 148 | 118 |
| 80 | Biocompatible Materials | 332 | 14.9K | 185 | 236 |
| 81 | Child Development | 297 | 14.9K | 54 | 63 |
| 82 | Nanotechnology | 343 | 14.8K | 350 | 406 |
| 83 | Physical Therapy | 276 | 14.7K | 24 | 15 |
| 84 | Mathematics | 833 | 14.6K | 191 | 138 |
| 85 | Diabetes mellitus | 156 | 14.0K | 165 | 121 |
| 86 | Health Policy | 400 | 14.0K | 31 | 31 |
| 87 | Rheumatology | 100 | 13.9K | 82 | 18 |
| 88 | Geochemistry | 186 | 13.5K | 188 | 102 |
| 89 | Memory | 193 | 13.5K | 107 | 53 |
| 90 | human behavior | 235 | 13.5K | 89 | 102 |
| 91 | Perception | 289 | 13.3K | 66 | 44 |
| 92 | Surface Chemistry | 297 | 13.1K | 182 | 149 |
| 93 | Obstetrics | 558 | 12.8K | 56 | 71 |
| 94 | Aging | 416 | 12.8K | 68 | 95 |
| 95 | Toxicology | 335 | 12.7K | 223 | 207 |
| 96 | Brain | 268 | 12.4K | 151 | 162 |
| 97 | Allergy | 260 | 12.3K | 23 | 90 |
| 98 | Meteorites | 141 | 12.2K | 90 | 59 |
| 99 | Child psychology | 203 | 11.9K | 78 | 87 |
| 100 | Thrombosis | 331 | 11.9K | 5 | 12 |
| 101 | Therapeutics | 162 | 11.7K | 87 | 53 |
| 102 | Sports | 272 | 11.5K | 46 | 29 |
| 103 | Hydrology | 309 | 11.3K | 58 | 78 |
| 104 | Cancer | 258 | 10.8K | 324 | 391 |
| 105 | Obesity | 212 | 10.7K | 86 | 78 |
| 106 | Neurobiology | 108 | 10.3K | 196 | 129 |
| 107 | management | 224 | 10.3K | 174 | 250 |
| 108 | Oncology | 120 | 10.3K | 196 | 210 |
| 109 | Biotechnology | 221 | 10.2K | 572 | 603 |
| 110 | viruses | 119 | 10.2K | 166 | 114 |
| 111 | Membranes | 192 | 10.1K | 65 | 59 |
| 112 | Orthopedics | 277 | 9.9K | 25 | 37 |
| 113 | Health | 345 | 9.8K | 33 | 49 |
| 114 | environmental pollution | 262 | 9.5K | 208 | 272 |
| 115 | Analytical Chemistry | 248 | 9.5K | 332 | 294 |
| 116 | Diet | 122 | 9.3K | 191 | 123 |
| 117 | Health insurance | 54 | 9.3K | 49 | 11 |
| 118 | Hemostasis | 285 | 9.1K | 3 | 2 |
| 119 | Economics | 307 | 8.9K | 253 | 246 |
| 120 | Primary health care | 250 | 8.9K | 35 | 20 |
| 121 | Nervous system | 158 | 8.7K | 170 | 203 |
| 122 | Gerontology | 356 | 8.4K | 52 | 46 |
| 123 | nucleic acids | 73 | 8.4K | 281 | 221 |
| 124 | Education | 203 | 8.3K | 298 | 140 |
| 125 | Pharmaceutical Chemistry | 203 | 8.3K | 327 | 294 |
| 126 | Transportation | 191 | 8.3K | 67 | 51 |
| 127 | Quantum Gravity | 79 | 8.3K | 620 | 302 |
| 128 | Developmental Disabilities | 151 | 8.1K | 31 | 35 |
| 129 | Statistical physics | 285 | 7.9K | 325 | 316 |
| 130 | Solid State Chemistry | 271 | 7.8K | 56 | 54 |
| 131 | Electronics | 323 | 7.8K | 159 | 134 |
| 132 | Occupational Therapy | 287 | 7.6K | 12 | 4 |
| 133 | Neuropsychology | 165 | 7.6K | 146 | 121 |
| 134 | Environmental Engineering | 150 | 7.6K | 274 | 290 |
| 135 | Reproduction | 198 | 7.6K | 118 | 105 |
| 136 | Bioengineering | 209 | 7.5K | 289 | 511 |
| 137 | Health Education | 237 | 7.3K | 52 | 49 |
| 138 | Public Policy | 212 | 7.2K | 30 | 35 |
| 139 | Geology | 197 | 7.2K | 323 | 310 |
| 140 | Clinical Trials | 77 | 7.1K | 30 | 5 |
| 141 | Learning | 103 | 7.1K | 96 | 55 |
| 142 | Attention | 179 | 7.0K | 98 | 81 |
| 143 | chronic disease | 44 | 7.0K | 28 | 3 |
| 144 | Biometrics | 124 | 6.9K | 62 | 52 |
| 145 | drug therapy | 162 | 6.9K | 182 | 145 |
| 146 | Earthquake Engineering | 175 | 6.8K | 60 | 49 |
| 147 | Medical Microbiology | 127 | 6.8K | 204 | 232 |
| 148 | Electrochemistry | 383 | 6.7K | 174 | 294 |
| 149 | Visual Perception | 168 | 6.6K | 104 | 81 |
| 150 | Algorithms | 44 | 6.6K | 32 | 1 |
| 151 | Manufacturing Processes | 178 | 6.5K | 98 | 66 |
| 152 | Asthma | 148 | 6.5K | 3 | 1 |
| 153 | Bacteriology | 80 | 6.5K | 282 | 213 |
| 154 | Cytogenetics | 88 | 6.4K | 168 | 185 |
| 155 | Pathology | 134 | 6.4K | 246 | 238 |
| 156 | Psycholinguistics | 49 | 6.3K | 147 | 51 |
| 157 | Host-parasite interactions | 57 | 6.3K | 175 | 134 |
| 158 | Cognitive neuroscience | 56 | 6.2K | 148 | 100 |
| 159 | Cognition | 156 | 6.2K | 117 | 139 |
| 160 | Telecommunication | 108 | 6.2K | 137 | 23 |
| 161 | Allergies | 126 | 6.1K | 1 | 1 |
| 162 | Genomics | 134 | 6.0K | 294 | 250 |
| 163 | Optics | 316 | 6.0K | 316 | 349 |
| 164 | Neurochemistry | 112 | 6.0K | 319 | 270 |
| 165 | Archaeology | 132 | 5.9K | 90 | 43 |
| 166 | health planning | 196 | 5.8K | 31 | 27 |
| 167 | Radiobiology | 270 | 5.8K | 96 | 114 |
| 168 | Ceramics | 103 | 5.8K | 119 | 69 |
| 169 | Glass | 99 | 5.7K | 94 | 63 |
| 169 | pottery | 99 | 5.7K | 93 | 61 |
| 171 | Social behavior | 58 | 5.7K | 136 | 56 |
| 172 | Environmental monitoring | 143 | 5.7K | 270 | 316 |
| 173 | Developmental Biology | 84 | 5.7K | 352 | 342 |
| 174 | Evolution | 105 | 5.6K | 199 | 232 |
| 175 | Environmental pollutants | 119 | 5.5K | 112 | 72 |
| 176 | Molecular evolution | 86 | 5.5K | 130 | 127 |
| 177 | Structural dynamics | 133 | 5.5K | 41 | 46 |
| 178 | Medical Physics | 152 | 5.4K | 141 | 108 |
| 179 | pollutants | 111 | 5.4K | 92 | 62 |
| 180 | Immune system | 28 | 5.3K | 296 | 219 |
| 181 | Medical Oncology | 224 | 5.2K | 141 | 185 |
| 182 | Water | 110 | 5.2K | 249 | 314 |
| 183 | Clinical Chemistry | 202 | 5.2K | 147 | 273 |
| 184 | Virulence | 50 | 5.1K | 181 | 132 |
| 185 | Operations Research | 181 | 5.1K | 89 | 132 |
| 186 | Developmental Psychology | 82 | 5.1K | 102 | 90 |
| 187 | Sites | 64 | 5.1K | 34 | 18 |
| 188 | Muscles | 80 | 4.9K | 44 | 24 |
| 189 | Industrial Engineering | 188 | 4.9K | 42 | 60 |
| 190 | child abuse | 106 | 4.9K | 23 | 29 |
| 191 | Microorganisms | 44 | 4.8K | 170 | 103 |
| 192 | Psychopharmacology | 140 | 4.8K | 130 | 185 |
| 193 | Nursing | 134 | 4.8K | 87 | 43 |
| 194 | Social Psychology | 98 | 4.7K | 279 | 262 |
| 195 | Bipolar Disorder | 46 | 4.7K | 46 | 16 |
| 196 | Diagnostic microbiology | 70 | 4.7K | 138 | 185 |
| 197 | Botany | 115 | 4.6K | 722 | 721 |
| 198 | blood transfusion | 204 | 4.6K | 18 | 22 |
| 199 | Geography | 265 | 4.6K | 84 | 163 |
| 200 | Process Control | 66 | 4.6K | 27 | 25 |
| 201 | Social Sciences | 191 | 4.6K | 207 | 172 |
| 202 | Environmental Chemistry | 106 | 4.6K | 115 | 249 |
| 202 | Nanostructured Materials | 152 | 4.6K | 327 | 402 |
| 204 | disabilities | 160 | 4.5K | 11 | 9 |
| 205 | infection | 85 | 4.5K | 137 | 109 |
| 206 | miniaturization | 72 | 4.5K | 254 | 280 |
| 207 | sanitation | 64 | 4.5K | 261 | 290 |
| 208 | mass transfer | 62 | 4.5K | 205 | 87 |
| 209 | Information Systems | 47 | 4.5K | 121 | 36 |
| 210 | Urology | 172 | 4.5K | 146 | 215 |
| 211 | Vaccines | 106 | 4.4K | 161 | 122 |
| 212 | Cognitive Science | 42 | 4.4K | 231 | 121 |
| 213 | gene therapy | 77 | 4.4K | 77 | 77 |
| 214 | Catalysis | 133 | 4.4K | 585 | 720 |
| 215 | Liposomes | 24 | 4.4K | 70 | 12 |
| 216 | Lipid bilayers | 23 | 4.4K | 63 | 11 |
| 217 | Sociobiology | 25 | 4.3K | 25 | 4 |
| 218 | research and development | 34 | 4.3K | 5 | 4 |
| 219 | fertility | 101 | 4.2K | 115 | 95 |
| 220 | Oncogenes | 56 | 4.2K | 209 | 217 |
| 221 | drug development | 25 | 4.2K | 229 | 120 |
| 222 | Infertility | 97 | 4.2K | 112 | 93 |
| 223 | Genetic therapy | 82 | 4.1K | 101 | 91 |
| 224 | Medical innovations | 19 | 4.1K | 324 | 131 |
| 225 | Hormones | 43 | 4.1K | 252 | 82 |
| 226 | physical therapy techniques | 137 | 4.1K | 3 | 1 |
| 227 | Environmental Policy | 94 | 4.1K | 323 | 417 |
| 228 | Microbial Ecology | 66 | 4.0K | 401 | 427 |
| 229 | Cell differentiation | 48 | 4.0K | 430 | 407 |
| 230 | Meteorology | 97 | 4.0K | 351 | 401 |
| 231 | Psychometrics | 12 | 4.0K | 204 | 45 |
| 232 | Water pollution | 88 | 3.9K | 319 | 342 |
| 233 | Women's health | 104 | 3.9K | 65 | 39 |
| 234 | Composite Materials | 78 | 3.9K | 430 | 361 |
| 235 | Signal Processing | 99 | 3.9K | 127 | 73 |
| 236 | Radiation | 140 | 3.9K | 98 | 97 |
| 237 | Ophthalmology | 94 | 3.8K | 236 | 200 |
| 238 | Production Management | 73 | 3.8K | 82 | 110 |
| 239 | pain | 133 | 3.8K | 83 | 185 |
| 240 | Business | 63 | 3.8K | 303 | 283 |
| 241 | Anthropology | 225 | 3.8K | 77 | 81 |
| 242 | Biomedical Engineering | 201 | 3.8K | 355 | 627 |
| 243 | Long-Term Care | 87 | 3.8K | 18 | 42 |
| 243 | Long-term care facilities | 87 | 3.8K | 18 | 42 |
| 245 | Molecular Genetics | 71 | 3.8K | 286 | 281 |
| 245 | nanoscience | 64 | 3.8K | 585 | 518 |
| 247 | health behavior | 95 | 3.8K | 80 | 68 |
| 248 | Neuromuscular diseases | 66 | 3.7K | 46 | 28 |
| 249 | Parenteral nutrition | 45 | 3.7K | 157 | 110 |
| 249 | personality | 64 | 3.7K | 222 | 206 |
| 251 | Immunotherapy | 48 | 3.7K | 347 | 296 |
| 252 | Environmental Toxicology | 76 | 3.7K | 236 | 239 |
| 253 | Biodiversity conservation | 31 | 3.7K | 534 | 422 |
| 254 | Hemophilia | 144 | 3.6K | 9 | 16 |
| 255 | environmental protection | 98 | 3.6K | 307 | 361 |
| 256 | Adolescent Medicine | 49 | 3.6K | 80 | 72 |
| 257 | Structural Engineering | 98 | 3.6K | 144 | 99 |
| 258 | Sedimentology | 56 | 3.5K | 24 | 13 |
| 259 | Emergency Medicine | 149 | 3.5K | 85 | 85 |
| 260 | Climate change | 26 | 3.5K | 331 | 351 |
| 261 | Occupational Health | 146 | 3.5K | 33 | 39 |
| 262 | Technology | 118 | 3.5K | 461 | 420 |
| 263 | psychotherapy | 89 | 3.5K | 130 | 172 |
| 264 | Anxiety Disorders | 51 | 3.5K | 48 | 49 |
| 264 | Anxiety | 51 | 3.5K | 48 | 49 |
| 266 | Eutrophication | 24 | 3.5K | 352 | 352 |
| 267 | Thorax | 71 | 3.4K | 47 | 30 |
| 268 | Kidney diseases | 178 | 3.4K | 23 | 64 |
| 269 | Image Processing | 76 | 3.4K | 187 | 160 |
| 270 | Radiology | 145 | 3.4K | 59 | 56 |
| 271 | Mental Health | 171 | 3.4K | 50 | 75 |
| 272 | Enteral nutrition | 30 | 3.4K | 161 | 96 |
| 273 | Econometrics | 80 | 3.3K | 122 | 144 |
| 274 | Europe | 140 | 3.3K | 289 | 263 |
| 275 | Nonlinear Dynamics | 129 | 3.3K | 242 | 284 |
| 276 | Population Genetics | 61 | 3.3K | 157 | 180 |
| 277 | Clinical Psychology | 85 | 3.2K | 177 | 267 |
| 278 | Ocean Engineering | 78 | 3.2K | 172 | 117 |
| 279 | Quality Control | 48 | 3.2K | 182 | 63 |
| 280 | Bacterial infections | 24 | 3.2K | 187 | 120 |
| 281 | Chemotherapy | 99 | 3.2K | 86 | 77 |
| 281 | Plastics | 87 | 3.2K | 109 | 54 |
| 283 | health services accessibility | 98 | 3.2K | 33 | 29 |
| 284 | Fluid Mechanics | 108 | 3.2K | 139 | 141 |
| 285 | United Kingdom | 100 | 3.1K | 140 | 239 |
| 286 | environmental exposure | 84 | 3.1K | 123 | 107 |
| 287 | Palliative Care | 143 | 3.1K | 12 | 27 |
| 288 | Physical Chemistry | 93 | 3.1K | 270 | 336 |
| 289 | Microelectronics | 45 | 3.1K | 408 | 330 |
| 290 | Molecular Microbiology | 47 | 3.1K | 142 | 183 |
| 291 | alcoholism | 65 | 3.0K | 252 | 197 |
| 292 | Cerebral cortex | 35 | 3.0K | 194 | 141 |
| 293 | Evidence-Based Medicine | 179 | 3.0K | 21 | 30 |
| 294 | Clinical Immunology | 117 | 3.0K | 53 | 76 |
| 295 | drugs | 76 | 3.0K | 247 | 183 |
| 296 | probabilities | 171 | 3.0K | 34 | 37 |
| 297 | Clinical Biochemistry | 221 | 3.0K | 17 | 70 |
| 298 | Molecular ecology | 49 | 3.0K | 178 | 208 |
| 299 | Vision | 73 | 2.9K | 65 | 70 |
| 300 | Genetic engineering | 51 | 2.9K | 357 | 299 |
| 301 | Nephrology | 162 | 2.9K | 17 | 67 |
| 302 | Autism | 53 | 2.9K | 84 | 60 |
| 303 | Growth | 40 | 2.9K | 293 | 329 |
| 304 | Pediatric Neurology | 32 | 2.9K | 296 | 285 |
| 305 | Adolescent | 111 | 2.9K | 197 | 216 |
| 306 | Embryology | 45 | 2.9K | 424 | 391 |
| 307 | Economic History | 113 | 2.8K | 375 | 280 |
| 308 | Experimental Design | 25 | 2.8K | 49 | 24 |
| 309 | Light | 49 | 2.8K | 112 | 216 |
| 310 | counseling | 57 | 2.8K | 197 | 112 |
| 311 | Photochemistry | 57 | 2.8K | 172 | 95 |
| 312 | Social work | 137 | 2.8K | 93 | 80 |
| 313 | Schizophrenia | 70 | 2.7K | 153 | 174 |
| 314 | government | 169 | 2.7K | 20 | 42 |
| 315 | Mathematical Physics | 121 | 2.7K | 373 | 397 |
| 316 | Clinical Pharmacology | 38 | 2.7K | 325 | 96 |
| 317 | drug addiction | 41 | 2.7K | 270 | 160 |
| 318 | Geophysics | 97 | 2.7K | 792 | 887 |
| 319 | mycoses | 24 | 2.7K | 168 | 131 |
| 320 | vascular diseases | 45 | 2.7K | 96 | 83 |
| 321 | Genetic regulation | 25 | 2.7K | 345 | 252 |
| 322 | occupational diseases | 85 | 2.7K | 55 | 71 |
| 323 | Anatomy | 61 | 2.7K | 359 | 381 |
| 324 | violence | 41 | 2.6K | 157 | 72 |
| 325 | Engineering | 113 | 2.6K | 426 | 340 |
| 326 | Semiconductors | 65 | 2.6K | 254 | 94 |
| 326 | Feasibility studies | 84 | 2.6K | 2 | 2 |
| 328 | Histology | 57 | 2.6K | 318 | 281 |
| 329 | preventive medicine | 74 | 2.6K | 160 | 206 |
| 330 | Zoology | 80 | 2.6K | 399 | 305 |
| 331 | Organic Chemistry | 85 | 2.6K | 589 | 578 |
| 332 | Cardiovascular diseases | 97 | 2.6K | 157 | 162 |
| 333 | human development | 41 | 2.6K | 109 | 83 |
| 334 | Signal Transduction | 31 | 2.5K | 318 | 219 |
| 335 | plasticity | 39 | 2.5K | 28 | 36 |
| 336 | Randomized Controlled Trials | 135 | 2.5K | 36 | 44 |
| 337 | Green Chemistry | 32 | 2.4K | 447 | 320 |
| 338 | diseases | 11 | 2.4K | 102 | 185 |
| 339 | Mineralogy | 61 | 2.4K | 255 | 218 |
| 340 | Quantum Chemistry | 32 | 2.4K | 150 | 16 |
| 341 | Australia | 94 | 2.4K | 154 | 116 |
| 342 | Disease | 8 | 2.4K | 142 | 186 |
| 343 | movement | 48 | 2.4K | 6 | 8 |
| 344 | Decision making | 77 | 2.4K | 93 | 142 |
| 345 | Bioorganic chemistry | 56 | 2.4K | 615 | 509 |
| 346 | Environmental Law | 40 | 2.4K | 154 | 187 |
| 347 | Production Engineering | 94 | 2.4K | 153 | 125 |
| 348 | Environmental Management | 55 | 2.3K | 477 | 494 |
| 349 | marketing | 47 | 2.3K | 367 | 350 |
| 350 | Exercise | 74 | 2.3K | 95 | 80 |
| 351 | older people | 205 | 2.3K | 88 | 116 |
| 352 | China | 44 | 2.3K | 638 | 260 |
| 353 | Pregnancy | 71 | 2.3K | 41 | 42 |
| 354 | Soft Condensed Matter | 78 | 2.2K | 95 | 131 |
| 355 | motivation | 26 | 2.2K | 33 | 13 |
| 356 | Patient education | 46 | 2.2K | 69 | 53 |
| 357 | Stem cells | 51 | 2.2K | 307 | 313 |
| 358 | Experimental Psychology | 54 | 2.2K | 38 | 71 |
| 359 | Regional Planning | 82 | 2.2K | 133 | 143 |
| 359 | Family | 43 | 2.2K | 159 | 84 |
| 361 | System analysis | 101 | 2.2K | 168 | 231 |
| 362 | Inflammation | 73 | 2.2K | 55 | 106 |
| 363 | cell physiology | 47 | 2.2K | 301 | 386 |
| 364 | genome | 32 | 2.1K | 427 | 514 |
| 365 | Food | 52 | 2.1K | 625 | 528 |
| 366 | concrete | 28 | 2.1K | 237 | 180 |
| 367 | Orthopedic Surgery | 119 | 2.1K | 17 | 55 |
| 368 | motor skills | 42 | 2.1K | 6 | 5 |
| 369 | Computational Chemistry | 23 | 2.1K | 124 | 107 |
| 370 | industrial relations | 79 | 2.1K | 57 | 31 |
| 371 | Animal ecology | 53 | 2.1K | 193 | 198 |
| 372 | Radioisotopes | 98 | 2.1K | 56 | 40 |
| 373 | Human Geography | 86 | 2.1K | 85 | 108 |
| 374 | Physical fitness | 35 | 2.1K | 172 | 113 |
| 375 | Bones | 63 | 2.1K | 97 | 153 |
| 376 | Biochemical Engineering | 47 | 2.0K | 809 | 1177 |
| 377 | water supply | 41 | 2.0K | 191 | 194 |
| 378 | Cell death | 13 | 2.0K | 679 | 333 |
| 379 | feeding behavior | 38 | 2.0K | 119 | 65 |
| 380 | Substance Abuse | 64 | 2.0K | 232 | 197 |
| 381 | Transplantation | 46 | 2.0K | 311 | 321 |
| 382 | Mechanical Engineering | 104 | 2.0K | 230 | 198 |
| 383 | health services | 72 | 2.0K | 101 | 100 |
| 384 | Infections | 39 | 2.0K | 211 | 233 |
| 384 | Respiratory system | 47 | 2.0K | 39 | 29 |
| 386 | mathematical analysis | 127 | 2.0K | 215 | 204 |
| 387 | Systems Engineering | 44 | 2.0K | 345 | 140 |
| 388 | Business Ethics | 28 | 2.0K | 155 | 147 |
| 389 | Dermatology | 92 | 2.0K | 241 | 320 |
| 390 | Serology | 23 | 2.0K | 68 | 19 |
| 391 | Biomechanics | 99 | 1.9K | 97 | 241 |
| 392 | Developmental Neurobiology | 17 | 1.9K | 111 | 10 |
| 393 | Gene expression regulation | 16 | 1.9K | 402 | 239 |
| 394 | Digestive system diseases | 53 | 1.9K | 126 | 81 |
| 395 | Health Services Administration | 108 | 1.9K | 43 | 102 |
| 396 | Petrology | 34 | 1.9K | 292 | 226 |
| 397 | biological factors | 56 | 1.9K | 214 | 248 |
| 398 | economic policy | 146 | 1.9K | 105 | 210 |
| 399 | Great Lakes | 78 | 1.9K | 26 | 27 |
| 399 | city planning | 67 | 1.9K | 170 | 160 |
| 401 | Paleoclimatology | 38 | 1.9K | 231 | 187 |
| 402 | Biogeochemistry | 36 | 1.9K | 293 | 313 |
| 403 | Parasitic Diseases | 35 | 1.8K | 545 | 373 |
| 404 | Neuroimmunology | 43 | 1.8K | 95 | 117 |
| 405 | Molecules | 40 | 1.8K | 379 | 230 |
| 406 | Psychoneuroimmunology | 40 | 1.8K | 87 | 104 |
| 407 | Health promotion | 75 | 1.8K | 179 | 278 |
| 408 | Biodiversity | 32 | 1.7K | 631 | 508 |
| 409 | Molecular structure | 44 | 1.7K | 495 | 498 |
| 410 | Developing countries | 83 | 1.7K | 214 | 346 |
| 411 | Appetite | 31 | 1.7K | 114 | 72 |
| 412 | Parasitology | 23 | 1.7K | 1002 | 414 |
| 413 | Lipids | 30 | 1.7K | 308 | 265 |
| 414 | Paleoecology | 33 | 1.7K | 238 | 176 |
| 414 | Paleogeography | 33 | 1.7K | 197 | 153 |
| 416 | Social policy | 102 | 1.7K | 22 | 50 |
| 417 | Immunopathology | 48 | 1.7K | 273 | 274 |
| 418 | biopolymers | 51 | 1.7K | 188 | 194 |
| 419 | Artificial Intelligence | 89 | 1.7K | 532 | 732 |
| 420 | Optical materials | 59 | 1.7K | 537 | 725 |
| 421 | Information Science | 64 | 1.7K | 302 | 409 |
| 422 | Anti-inflammatory agents | 58 | 1.7K | 3 | 3 |
| 423 | Developmental Genetics | 10 | 1.6K | 359 | 248 |
| 424 | proteins | 61 | 1.6K | 355 | 464 |
| 425 | Neuropsychiatry | 50 | 1.6K | 98 | 121 |
| 426 | Eating Disorders | 59 | 1.6K | 99 | 137 |
| 427 | Recombinant DNA | 36 | 1.6K | 290 | 227 |
| 428 | Political Science | 73 | 1.6K | 282 | 264 |
| 429 | gene mapping | 36 | 1.6K | 520 | 603 |
| 430 | Industrial Safety | 79 | 1.6K | 53 | 96 |
| 431 | Molecular Spectroscopy | 58 | 1.6K | 208 | 163 |
| 432 | Geriatric Psychiatry | 47 | 1.6K | 147 | 136 |
| 433 | Mental Health Services | 54 | 1.6K | 173 | 143 |
| 434 | Comparative Physiology | 67 | 1.6K | 67 | 105 |
| 435 | free radicals | 23 | 1.6K | 525 | 404 |
| 436 | Soil Mechanics | 66 | 1.6K | 145 | 201 |
| 437 | Depression | 27 | 1.6K | 49 | 79 |
| 438 | Biosensors | 21 | 1.5K | 385 | 298 |
| 439 | Nanoparticles | 26 | 1.5K | 569 | 364 |
| 440 | Environmental Microbiology | 21 | 1.5K | 446 | 381 |
| 441 | Homeostasis | 9 | 1.5K | 274 | 363 |
| 441 | Cell metabolism | 9 | 1.5K | 390 | 372 |
| 443 | Information Technology | 41 | 1.5K | 414 | 288 |
| 444 | Combinatorial chemistry | 32 | 1.5K | 136 | 159 |
| 445 | Mycology | 42 | 1.5K | 353 | 360 |
| 446 | Organometallic compounds | 56 | 1.5K | 137 | 175 |
| 447 | Civil Engineering | 54 | 1.5K | 207 | 59 |
| 448 | Feeding and Eating Disorders | 52 | 1.5K | 103 | 145 |
| 449 | viral genetics | 4 | 1.5K | 369 | 220 |
| 450 | Global Health | 65 | 1.5K | 79 | 75 |
| 450 | innovation | 20 | 1.5K | 96 | 168 |
| 452 | Pharmacogenetics | 39 | 1.5K | 171 | 215 |
| 453 | data collection | 17 | 1.4K | 276 | 208 |
| 454 | Renewable Energy Sources | 20 | 1.4K | 964 | 929 |
| 454 | Earth Sciences | 59 | 1.4K | 757 | 875 |
| 456 | Entrepreneurship | 13 | 1.4K | 403 | 275 |
| 457 | Aggression | 21 | 1.4K | 100 | 57 |
| 458 | Molecular cloning | 27 | 1.4K | 371 | 236 |
| 458 | Genetic recombination | 27 | 1.4K | 351 | 231 |
| 460 | Japan | 61 | 1.4K | 332 | 202 |
| 461 | Energy Conversion | 21 | 1.4K | 441 | 503 |
| 462 | commerce | 35 | 1.4K | 279 | 288 |
| 463 | Lightweight concrete | 13 | 1.4K | 117 | 85 |
| 464 | Magnetic Resonance Spectroscopy | 69 | 1.4K | 143 | 205 |
| 465 | families | 30 | 1.4K | 170 | 80 |
| 466 | Organizational change | 37 | 1.4K | 38 | 41 |
| 467 | Chromosome mapping | 34 | 1.4K | 471 | 530 |
| 468 | Small Business | 10 | 1.4K | 378 | 236 |
| 469 | soil microbiology | 16 | 1.4K | 648 | 515 |
| 469 | Human evolution | 24 | 1.4K | 110 | 93 |
| 471 | finance | 100 | 1.4K | 210 | 425 |
| 472 | Community Psychiatry | 43 | 1.4K | 150 | 179 |
| 473 | Computational Biology | 45 | 1.4K | 626 | 838 |
| 474 | Hospitals | 50 | 1.4K | 107 | 106 |
| 475 | recreation | 44 | 1.4K | 94 | 53 |
| 476 | Aquatic ecology | 48 | 1.4K | 84 | 83 |
| 477 | energy conservation | 30 | 1.3K | 428 | 473 |
| 478 | Personality Assessment | 20 | 1.3K | 144 | 104 |
| 479 | Neural circuitry | 27 | 1.3K | 505 | 387 |
| 480 | Post-traumatic stress disorder | 44 | 1.3K | 88 | 140 |
| 481 | Data Mining | 13 | 1.3K | 678 | 336 |
| 481 | Reproductive toxicology | 31 | 1.3K | 59 | 58 |
| 483 | fuel cells | 22 | 1.3K | 440 | 413 |
| 484 | Electrical Engineering | 253 | 1.3K | 211 | 361 |
| 485 | Photonics | 62 | 1.3K | 270 | 572 |
| 486 | risk factors | 51 | 1.3K | 61 | 113 |
| 487 | Histochemistry | 16 | 1.3K | 463 | 133 |
| 488 | drug abuse | 34 | 1.3K | 112 | 58 |
| 489 | Automation | 42 | 1.3K | 356 | 404 |
| 489 | Elderly | 165 | 1.3K | 79 | 72 |
| 491 | industrial hygiene | 88 | 1.3K | 54 | 69 |
| 492 | behavioral medicine | 36 | 1.3K | 277 | 344 |
| 493 | Energy Policy | 42 | 1.3K | 536 | 823 |
| 493 | Social welfare | 59 | 1.3K | 39 | 35 |
| 495 | cosmic rays | 31 | 1.3K | 84 | 27 |
| 496 | Smoking | 28 | 1.2K | 232 | 177 |
| 497 | Paleontology | 64 | 1.2K | 211 | 262 |
| 498 | Iron | 43 | 1.2K | 68 | 55 |
| 499 | Pediatric Hematology | 42 | 1.2K | 21 | 4 |
| 500 | Spine | 29 | 1.2K | 190 | 213 |
| 501 | Medical Ethics | 67 | 1.2K | 101 | 100 |
| 501 | Planets | 30 | 1.2K | 668 | 703 |
| 503 | Nuclear Medicine | 41 | 1.2K | 239 | 275 |
| 504 | Insects | 12 | 1.2K | 841 | 255 |
| 505 | Diagnostic Imaging | 44 | 1.2K | 466 | 533 |
| 505 | Drug design | 34 | 1.2K | 304 | 329 |
| 507 | Sarcopenia | 14 | 1.2K | 75 | 50 |
| 508 | Sustainable Engineering | 14 | 1.2K | 756 | 399 |
| 508 | nuclear magnetic resonance | 55 | 1.2K | 185 | 227 |
| 510 | complementary therapies | 88 | 1.2K | 137 | 246 |
| 511 | Metallography | 37 | 1.2K | 97 | 66 |
| 511 | Brain damage | 30 | 1.2K | 44 | 31 |
| 513 | Medical Technology | 41 | 1.2K | 250 | 266 |
| 514 | gastrointestinal tract | 19 | 1.2K | 31 | 30 |
| 515 | Climatology | 34 | 1.2K | 548 | 609 |
| 516 | Sleep Disorders | 87 | 1.2K | 217 | 455 |
| 517 | Microscopy | 87 | 1.2K | 115 | 225 |
| 518 | Drug delivery systems | 12 | 1.2K | 779 | 426 |
| 519 | scientific societies | 28 | 1.2K | 177 | 134 |
| 520 | Marine Biology | 55 | 1.2K | 663 | 853 |
| 521 | Public Administration | 123 | 1.1K | 82 | 216 |
| 521 | Economic planning | 38 | 1.1K | 19 | 30 |
| 523 | Multivariate Analysis | 60 | 1.1K | 15 | 59 |
| 524 | hospice care | 50 | 1.1K | 19 | 13 |
| 525 | Oceanography | 56 | 1.1K | 442 | 632 |
| 526 | Surface properties | 31 | 1.1K | 157 | 190 |
| 527 | Electrophysiology | 47 | 1.1K | 186 | 163 |
| 528 | Alternative Medicine | 81 | 1.1K | 138 | 252 |
| 529 | Dialysis | 110 | 1.1K | 7 | 10 |
| 529 | Kidney transplantation | 110 | 1.1K | 7 | 10 |
| 531 | exobiology | 22 | 1.1K | 62 | 65 |
| 532 | Oxidation-reduction | 13 | 1.1K | 342 | 319 |
| 533 | Regional Development | 80 | 1.1K | 1 | 15 |
| 534 | Fungi | 21 | 1.1K | 361 | 309 |
| 535 | Physical Geography | 58 | 1.1K | 22 | 45 |
| 536 | Synchrotron Radiation | 14 | 1.1K | 140 | 44 |
| 537 | sexual behavior | 38 | 1.1K | 76 | 120 |
| 538 | Surface-Active Agents | 30 | 1.1K | 145 | 178 |
| 538 | behavior therapy | 36 | 1.1K | 210 | 229 |
| 540 | Otolaryngology | 38 | 1.1K | 113 | 111 |
| 541 | actuators | 20 | 1.1K | 871 | 652 |
| 541 | transducers | 20 | 1.1K | 871 | 652 |
| 543 | Leukemia | 44 | 1.1K | 328 | 530 |
| 544 | Sleep | 43 | 1.1K | 448 | 482 |
| 545 | Ecohydrology | 22 | 1.1K | 29 | 14 |
| 546 | Building Materials | 41 | 1.1K | 322 | 543 |
| 547 | Rock Mechanics | 41 | 1.0K | 162 | 201 |
| 548 | Speech Disorders | 45 | 1.0K | 211 | 251 |
| 549 | vibration | 26 | 1.0K | 321 | 235 |
| 550 | Analytical Biochemistry | 27 | 1.0K | 446 | 411 |
| 551 | Neonatology | 34 | 1.0K | 65 | 76 |
| 552 | Hemodynamics | 22 | 1.0K | 207 | 251 |
| 553 | Infection control | 31 | 1.0K | 101 | 96 |
| 554 | Industrial Microbiology | 19 | 1.0K | 726 | 642 |
| 555 | planning | 40 | 998 | 55 | 46 |
| 556 | Pharmacy | 36 | 992 | 583 | 591 |
| 557 | Medical Laboratory Science | 47 | 991 | 340 | 663 |
| 558 | antibiotics | 15 | 974 | 140 | 68 |
| 559 | Nutrition physiology | 29 | 970 | 112 | 158 |
| 559 | Microwaves | 70 | 970 | 103 | 65 |
| 561 | Luminescence | 31 | 969 | 237 | 126 |
| 562 | Numerical Analysis | 60 | 966 | 361 | 448 |
| 563 | Criminal psychology | 24 | 964 | 223 | 161 |
| 564 | Oxidation | 37 | 963 | 14 | 25 |
| 565 | harm reduction | 20 | 953 | 25 | 12 |
| 566 | mutation | 25 | 950 | 127 | 154 |
| 567 | Pediatric Nursing | 21 | 949 | 103 | 30 |
| 567 | Cognitive Therapy | 34 | 949 | 89 | 99 |
| 567 | ecosystem | 33 | 949 | 302 | 511 |
| 570 | Ceramic materials | 24 | 948 | 355 | 239 |
| 571 | Engineering Geology | 40 | 947 | 275 | 376 |
| 572 | Functional Genomics | 11 | 946 | 108 | 57 |
| 573 | Immunochemistry | 32 | 936 | 194 | 165 |
| 574 | Chromosomes | 24 | 934 | 254 | 288 |
| 575 | Human physiology | 14 | 932 | 25 | 4 |
| 576 | Antioxidants | 12 | 929 | 336 | 298 |
| 577 | Hydrometeorology | 17 | 927 | 62 | 85 |
| 578 | Ergonomics | 58 | 926 | 151 | 191 |
| 578 | Communication | 79 | 926 | 252 | 447 |
| 580 | Biopharmaceutics | 16 | 924 | 446 | 253 |
| 581 | biological monitoring | 37 | 917 | 25 | 59 |
| 582 | Biogeochemical cycles | 8 | 914 | 305 | 268 |
| 583 | Nuclear Engineering | 144 | 903 | 117 | 204 |
| 583 | Liver diseases | 28 | 903 | 569 | 905 |
| 585 | Engineering Mathematics | 39 | 902 | 558 | 387 |
| 586 | cloning | 13 | 901 | 286 | 302 |
| 587 | Language Disorders | 50 | 897 | 147 | 187 |
| 588 | electric vehicles | 62 | 894 | 13 | 12 |
| 589 | locomotion | 22 | 892 | 174 | 132 |
| 589 | posture | 22 | 892 | 174 | 132 |
| 589 | gait | 22 | 892 | 174 | 132 |
| 589 | walking | 22 | 892 | 174 | 132 |
| 593 | Population | 76 | 883 | 73 | 187 |
| 594 | Computer Graphics | 21 | 881 | 602 | 413 |
| 595 | Emergency Medical Services | 49 | 877 | 63 | 75 |
| 596 | Adolescent Psychology | 33 | 863 | 162 | 229 |
| 597 | brain mapping | 18 | 861 | 250 | 272 |
| 598 | Culture | 59 | 860 | 114 | 108 |
| 598 | Genes | 28 | 860 | 238 | 234 |
| 600 | Child welfare | 37 | 859 | 225 | 211 |
| 601 | calcification | 19 | 855 | 155 | 151 |
| 602 | International Finance | 34 | 850 | 335 | 391 |
| 603 | Geomorphology | 34 | 846 | 320 | 486 |
| 604 | Algebra | 67 | 845 | 202 | 158 |
| 605 | Paleopathology | 46 | 841 | 13 | 18 |
| 606 | Geobiology | 17 | 838 | 140 | 83 |
| 607 | Psychiatric Epidemiology | 22 | 837 | 104 | 137 |
| 608 | Sedimentary rocks | 26 | 836 | 73 | 116 |
| 609 | Chemical analysis | 29 | 835 | 264 | 224 |
| 610 | cell interaction | 22 | 833 | 344 | 338 |
| 611 | International Relations | 42 | 831 | 223 | 196 |
| 612 | Technological Innovations | 15 | 826 | 290 | 135 |
| 612 | Water quality management | 38 | 826 | 302 | 353 |
| 612 | Roads | 47 | 826 | 161 | 144 |
| 615 | Systems Biology | 29 | 825 | 363 | 385 |
| 616 | protein | 22 | 823 | 435 | 422 |
| 617 | Solar Energy | 28 | 816 | 368 | 531 |
| 618 | mutagens | 27 | 814 | 194 | 336 |
| 619 | Nuclear Energy | 96 | 813 | 127 | 206 |
| 620 | Differential Equations | 23 | 811 | 270 | 155 |
| 621 | Housing | 22 | 810 | 72 | 69 |
| 621 | Dementia | 79 | 810 | 244 | 368 |
| 623 | Nuclear Chemistry | 60 | 805 | 142 | 176 |
| 624 | radar | 27 | 797 | 31 | 27 |
| 625 | organization | 14 | 794 | 311 | 341 |
| 626 | Radiochemistry | 53 | 790 | 149 | 144 |
| 627 | Respiratory Infections | 16 | 786 | 84 | 31 |
| 627 | Jurisprudence | 36 | 786 | 190 | 185 |
| 629 | Nanostructures | 21 | 783 | 784 | 851 |
| 629 | Influenza | 15 | 783 | 53 | 19 |
| 631 | adolescence | 23 | 782 | 257 | 303 |
| 632 | Cybernetics | 41 | 774 | 203 | 348 |
| 633 | Consciousness | 26 | 772 | 43 | 79 |
| 634 | epilepsy | 33 | 766 | 186 | 242 |
| 635 | natural products | 19 | 764 | 660 | 459 |
| 636 | Alzheimer's disease | 77 | 759 | 274 | 455 |
| 637 | Computer Vision | 16 | 756 | 444 | 465 |
| 638 | Entomology | 29 | 752 | 839 | 651 |
| 639 | Traffic Engineering | 23 | 749 | 57 | 91 |
| 640 | ethnicity | 30 | 748 | 98 | 44 |
| 640 | Cosmochemistry | 31 | 748 | 156 | 284 |
| 642 | Waste management | 28 | 747 | 275 | 239 |
| 643 | Tropical Medicine | 40 | 745 | 349 | 439 |
| 644 | Risk Management | 29 | 738 | 93 | 139 |
| 645 | Organizational Behavior | 10 | 736 | 305 | 229 |
| 645 | Human biology | 29 | 736 | 103 | 102 |
| 647 | Information Theory | 30 | 734 | 247 | 280 |
| 648 | Electrophoresis | 33 | 729 | 379 | 490 |
| 649 | Stochastic Processes | 33 | 728 | 124 | 90 |
| 650 | Insect biochemistry | 13 | 727 | 176 | 125 |
| 651 | Music | 36 | 725 | 118 | 99 |
| 652 | sports injuries | 27 | 724 | 65 | 31 |
| 653 | Energy Storage | 18 | 722 | 450 | 411 |
| 653 | Endocrine glands | 4 | 722 | 237 | 128 |
| 655 | Dynamics | 49 | 710 | 235 | 295 |
| 656 | Risk | 14 | 707 | 203 | 160 |
| 657 | Bioremediation | 3 | 705 | 961 | 120 |
| 658 | Nutritional support | 14 | 696 | 30 | 28 |
| 658 | Family Therapy | 20 | 696 | 229 | 143 |
| 660 | nuclear magnetic resonance spectroscopy | 22 | 694 | 200 | 164 |
| 661 | pain management | 61 | 691 | 35 | 141 |
| 662 | computer networks | 37 | 689 | 522 | 661 |
| 663 | libraries | 8 | 687 | 472 | 58 |
| 664 | Carcinogenesis | 23 | 685 | 282 | 416 |
| 665 | Methodology | 10 | 684 | 157 | 33 |
| 666 | women | 25 | 683 | 143 | 57 |
| 667 | cytokines | 25 | 679 | 335 | 465 |
| 668 | community participation | 28 | 677 | 3 | 13 |
| 668 | Faculty | 28 | 677 | 3 | 13 |
| 668 | children | 21 | 677 | 131 | 164 |
| 671 | Proteome | 17 | 674 | 483 | 577 |
| 672 | Parasites | 10 | 672 | 1027 | 475 |
| 673 | peptides | 20 | 667 | 205 | 94 |
| 674 | Philosophy | 79 | 666 | 269 | 251 |
| 675 | Functional Analysis | 39 | 664 | 243 | 289 |
| 676 | Geographic information systems | 35 | 662 | 133 | 149 |
| 676 | Bioinformatics | 24 | 662 | 744 | 1017 |
| 676 | Plant cells | 7 | 662 | 918 | 902 |
| 679 | Project Management | 2 | 654 | 374 | 125 |
| 679 | Performance | 14 | 654 | 77 | 70 |
| 681 | Ethics | 46 | 653 | 126 | 156 |
| 681 | visualization | 51 | 653 | 223 | 158 |
| 681 | plant molecular biology | 10 | 653 | 962 | 993 |
| 684 | Biodegradation | 2 | 652 | 1098 | 138 |
| 684 | Measurement | 37 | 652 | 178 | 246 |
| 686 | Osteoporosis | 33 | 646 | 14 | 50 |
| 687 | Socioeconomic Factors | 24 | 645 | 153 | 170 |
| 688 | Combinatorial analysis | 42 | 640 | 193 | 161 |
| 689 | Wireless Communication Systems | 39 | 635 | 402 | 453 |
| 690 | Systems Analysis | 60 | 633 | 51 | 190 |
| 690 | international trade | 21 | 633 | 122 | 153 |
| 692 | Logistics | 13 | 632 | 146 | 127 |
| 692 | Reading | 19 | 632 | 167 | 141 |
| 694 | Geriatric Pharmacology | 16 | 631 | 56 | 42 |
| 694 | Radio | 30 | 631 | 162 | 142 |
| 696 | Hearing | 12 | 625 | 351 | 203 |
| 696 | Intellectual disability | 26 | 625 | 233 | 265 |
| 698 | Bacteria | 3 | 621 | 441 | 172 |
| 699 | Phylogeny | 8 | 617 | 585 | 396 |
| 699 | Plants | 9 | 617 | 1460 | 1106 |
| 701 | Obstetric Nursing | 10 | 616 | 127 | 36 |
| 701 | Rheology | 20 | 616 | 153 | 148 |
| 703 | Computer-Aided Design | 22 | 612 | 305 | 319 |
| 704 | Multiphase Flow | 14 | 611 | 115 | 102 |
| 705 | Marriage | 9 | 609 | 251 | 109 |
| 706 | drug control | 16 | 608 | 115 | 90 |
| 707 | enzymes | 27 | 606 | 425 | 640 |
| 708 | Agriculture | 14 | 605 | 1194 | 865 |
| 709 | Radiography | 33 | 603 | 163 | 277 |
| 709 | Chromatography | 27 | 603 | 440 | 476 |
| 709 | Chromatographic analysis | 27 | 603 | 553 | 537 |
| 712 | Work | 16 | 602 | 75 | 56 |
| 713 | Suicide | 22 | 599 | 117 | 145 |
| 714 | Optical Communications | 25 | 597 | 107 | 99 |
| 715 | Heart Failure | 18 | 594 | 145 | 204 |
| 716 | Comparative Psychology | 21 | 593 | 15 | 50 |
| 717 | Audiology | 21 | 582 | 295 | 289 |
| 718 | Educational Psychology | 22 | 581 | 498 | 523 |
| 719 | Labor Economics | 16 | 579 | 128 | 118 |
| 720 | Ecosystem management | 24 | 574 | 124 | 240 |
| 720 | Carbon | 15 | 574 | 597 | 739 |
| 722 | Land Use Planning | 3 | 572 | 413 | 106 |
| 723 | Economic Development | 28 | 567 | 450 | 782 |
| 724 | ethnic groups | 12 | 566 | 100 | 37 |
| 725 | Classification | 40 | 565 | 11 | 74 |
| 725 | Marriage counseling | 5 | 565 | 247 | 81 |
| 727 | histological techniques | 18 | 564 | 190 | 343 |
| 728 | Geometry | 59 | 562 | 129 | 163 |
| 729 | Mass Spectrometry | 37 | 561 | 259 | 479 |
| 730 | Natural resources | 22 | 560 | 179 | 278 |
| 730 | Synapses | 14 | 560 | 93 | 104 |
| 732 | Financial management | 17 | 558 | 119 | 185 |
| 733 | Groundwater | 19 | 553 | 208 | 171 |
| 734 | Control Theory | 39 | 552 | 386 | 508 |
| 735 | Computer Science | 50 | 546 | 270 | 446 |
| 736 | Astrocytes | 7 | 543 | 359 | 298 |
| 737 | Sociolinguistics | 10 | 536 | 207 | 85 |
| 738 | Power Electronics | 26 | 535 | 129 | 129 |
| 739 | Altitude Sickness | 7 | 531 | 60 | 21 |
| 739 | Altitude | 7 | 531 | 60 | 21 |
| 741 | Combustion | 18 | 525 | 522 | 510 |
| 741 | Metastasis | 7 | 525 | 76 | 119 |
| 741 | carcinogens | 15 | 525 | 413 | 508 |
| 744 | Psychiatric Nursing | 20 | 523 | 149 | 94 |
| 744 | Qualitative Research | 38 | 523 | 41 | 128 |
| 744 | family violence | 15 | 523 | 128 | 121 |
| 747 | Psychosomatic Medicine | 25 | 515 | 239 | 429 |
| 748 | Hydraulic Engineering | 23 | 513 | 280 | 328 |
| 748 | Asia | 46 | 513 | 463 | 665 |
| 750 | Human Rights | 19 | 508 | 132 | 86 |
| 751 | disease outbreaks | 13 | 505 | 228 | 240 |
| 751 | Epidemics | 13 | 505 | 221 | 239 |
| 753 | Oxidative stress | 8 | 504 | 742 | 612 |
| 754 | Linguistics | 24 | 502 | 505 | 421 |
| 754 | natural disasters | 20 | 502 | 338 | 466 |
| 756 | Probability | 18 | 499 | 174 | 206 |
| 757 | health and race | 9 | 497 | 100 | 32 |
| 758 | Heat Exchangers | 13 | 494 | 516 | 511 |
| 759 | Crystallography | 36 | 491 | 445 | 420 |
| 759 | Youth | 8 | 491 | 408 | 299 |
| 761 | Fluid Dynamics | 35 | 488 | 250 | 423 |
| 762 | Hydrodynamics | 18 | 486 | 186 | 234 |
| 763 | Holistic Health | 38 | 485 | 17 | 61 |
| 764 | Travel | 31 | 484 | 130 | 169 |
| 765 | Geriatric Oncology | 25 | 482 | 110 | 230 |
| 766 | atmosphere | 17 | 481 | 267 | 291 |
| 767 | Cytokine | 17 | 480 | 64 | 187 |
| 768 | Liquid chromatography | 26 | 479 | 51 | 36 |
| 769 | Globalization | 27 | 478 | 55 | 117 |
| 770 | lasers | 30 | 473 | 441 | 488 |
| 771 | Development planning | 21 | 472 | 10 | 51 |
| 772 | sex crimes | 23 | 466 | 140 | 168 |
| 773 | Periglacial processes | 6 | 462 | 81 | 49 |
| 773 | Permafrost | 6 | 462 | 81 | 49 |
| 773 | Frozen ground | 6 | 462 | 84 | 49 |
| 776 | Navigation | 19 | 461 | 96 | 75 |
| 777 | Mechanics | 17 | 459 | 504 | 368 |
| 777 | Health Risk Assessment | 22 | 459 | 39 | 48 |
| 777 | Emotions | 17 | 459 | 184 | 314 |
| 780 | Sonar | 18 | 458 | 44 | 40 |
| 781 | Socialization | 8 | 455 | 281 | 239 |
| 782 | Geriatric Nursing | 23 | 453 | 61 | 40 |
| 783 | Criminology | 21 | 452 | 340 | 322 |
| 784 | Molecular Imaging | 7 | 451 | 567 | 427 |
| 784 | Plant physiology | 14 | 451 | 1164 | 1382 |
| 786 | Creativity | 5 | 450 | 144 | 53 |
| 787 | Environmental Geology | 22 | 449 | 409 | 655 |
| 787 | Wetland ecology | 17 | 449 | 105 | 130 |
| 789 | Antigens | 39 | 448 | 128 | 455 |
| 790 | Tribology | 15 | 447 | 519 | 433 |
| 791 | Public Health Administration | 9 | 446 | 231 | 87 |
| 792 | Magnetic Materials | 19 | 439 | 581 | 684 |
| 792 | Bone diseases | 27 | 439 | 43 | 332 |
| 794 | Neuropharmacology | 12 | 437 | 227 | 241 |
| 794 | Personality Disorders | 12 | 437 | 102 | 116 |
| 794 | Cellulose | 16 | 437 | 160 | 226 |
| 797 | Proteomics | 9 | 435 | 712 | 642 |
| 797 | Forensic Psychiatry | 27 | 435 | 109 | 156 |
| 799 | Cement | 7 | 432 | 403 | 406 |
| 799 | population geography | 27 | 432 | 33 | 87 |
| 801 | psychophysics | 28 | 429 | 24 | 55 |
| 802 | Soil dynamics | 12 | 428 | 184 | 157 |
| 802 | Teaching | 39 | 428 | 338 | 578 |
| 804 | Fracture mechanics | 27 | 427 | 437 | 598 |
| 804 | energy resources | 17 | 427 | 503 | 1026 |
| 806 | Health Information Management | 7 | 426 | 116 | 242 |
| 807 | Ethnic relations | 18 | 425 | 132 | 83 |
| 808 | Menopause | 13 | 424 | 99 | 81 |
| 809 | Atmospheric Physics | 8 | 421 | 1250 | 1002 |
| 810 | health workforce | 11 | 416 | 66 | 76 |
| 811 | Body Image | 11 | 412 | 67 | 84 |
| 812 | Leadership | 9 | 409 | 209 | 278 |
| 813 | allied health | 26 | 408 | 17 | 57 |
| 814 | Quantum Optics | 27 | 406 | 194 | 306 |
| 815 | Cardiac electrophysiology | 16 | 405 | 68 | 103 |
| 815 | arrhythmia | 16 | 405 | 68 | 103 |
| 817 | Atomic spectroscopy | 27 | 403 | 295 | 451 |
| 818 | microwave antennas | 24 | 401 | 56 | 59 |
| 819 | Nonverbal Communication | 10 | 400 | 62 | 72 |
| 819 | internet | 34 | 400 | 170 | 395 |
| 821 | Conservation Biology | 13 | 399 | 573 | 682 |
| 821 | Laser Spectroscopy | 25 | 399 | 180 | 283 |
| 823 | Teratology | 5 | 398 | 288 | 160 |
| 824 | Radio wave propagation | 23 | 393 | 192 | 176 |
| 825 | Robotics | 26 | 392 | 472 | 718 |
| 826 | Interferons | 14 | 391 | 41 | 71 |
| 827 | Evolutionary Psychology | 12 | 390 | 28 | 20 |
| 828 | Water Purification | 11 | 389 | 550 | 368 |
| 828 | Adaptive control systems | 5 | 389 | 452 | 110 |
| 830 | Agricultural Ecology | 4 | 388 | 1176 | 757 |
| 831 | Neurons | 6 | 387 | 631 | 1057 |
| 831 | Yeast | 7 | 387 | 273 | 216 |
| 833 | Graph Theory | 18 | 386 | 249 | 145 |
| 833 | auditory perception | 15 | 386 | 54 | 119 |
| 833 | embryo transfer | 14 | 386 | 163 | 149 |
| 836 | elder abuse | 11 | 384 | 118 | 103 |
| 837 | Welfare Economics | 13 | 383 | 147 | 193 |
| 837 | Bioelectronics | 8 | 383 | 696 | 860 |
| 839 | Ethnology | 63 | 382 | 158 | 420 |
| 840 | Bioethics | 26 | 380 | 200 | 250 |
| 841 | Soil Science | 20 | 377 | 723 | 1079 |
| 842 | Nanochemistry | 22 | 376 | 242 | 315 |
| 842 | Plant Ecology | 14 | 376 | 914 | 1211 |
| 844 | Biomass Energy | 13 | 375 | 1358 | 1702 |
| 844 | Human Capital | 3 | 375 | 277 | 58 |
| 844 | Public opinion | 8 | 375 | 229 | 150 |
| 844 | analysis | 10 | 375 | 173 | 178 |
| 848 | abnormalities | 2 | 374 | 302 | 89 |
| 849 | Industrial Sociology | 9 | 372 | 102 | 64 |
| 850 | Environmental Psychology | 13 | 364 | 79 | 228 |
| 851 | Veterinary Immunology | 3 | 363 | 444 | 145 |
| 851 | Solar System | 7 | 363 | 673 | 545 |
| 853 | hazard mitigation | 19 | 362 | 197 | 376 |
| 854 | Simulation Methods | 14 | 358 | 301 | 213 |
| 855 | Microwave devices | 11 | 357 | 35 | 5 |
| 856 | Marine Pollution | 11 | 355 | 625 | 765 |
| 857 | preimplantation genetic diagnosis | 12 | 353 | 180 | 151 |
| 857 | Human Resources | 11 | 353 | 155 | 216 |
| 859 | Fisheries | 22 | 352 | 662 | 942 |
| 860 | refugees | 12 | 350 | 76 | 52 |
| 861 | role | 6 | 347 | 279 | 237 |
| 862 | Aerosols | 31 | 346 | 128 | 265 |
| 863 | Physical organic chemistry | 19 | 344 | 532 | 658 |
| 864 | Aquaculture | 5 | 343 | 1367 | 788 |
| 865 | educational planning | 10 | 341 | 162 | 160 |
| 866 | Forest Ecology | 6 | 340 | 871 | 670 |
| 866 | labor | 16 | 340 | 57 | 116 |
| 868 | Reproductive health | 15 | 338 | 305 | 364 |
| 869 | breastfeeding | 10 | 337 | 214 | 178 |
| 869 | Writing | 13 | 337 | 64 | 89 |
| 871 | Vocational guidance | 7 | 336 | 607 | 511 |
| 872 | Mobile Computing | 13 | 335 | 434 | 334 |
| 873 | Early Childhood Education | 12 | 334 | 246 | 164 |
| 873 | Crystal growth | 12 | 334 | 492 | 494 |
| 875 | Forest Management | 5 | 331 | 918 | 624 |
| 875 | Informatics | 17 | 331 | 237 | 474 |
| 877 | Political Sociology | 16 | 329 | 133 | 182 |
| 878 | race relations | 18 | 328 | 155 | 191 |
| 879 | Flexible manufacturing systems | 11 | 327 | 102 | 113 |
| 880 | Herbal medicine | 7 | 326 | 424 | 365 |
| 881 | Topology | 26 | 324 | 55 | 67 |
| 881 | Wildlife conservation | 7 | 324 | 923 | 938 |
| 883 | Fishery management | 6 | 322 | 687 | 389 |
| 884 | community development | 14 | 321 | 189 | 188 |
| 884 | Hippocampus | 5 | 321 | 260 | 241 |
| 886 | biomedicine | 12 | 319 | 325 | 340 |
| 887 | Neurotoxicology | 11 | 315 | 206 | 309 |
| 887 | Plant diseases | 18 | 315 | 931 | 1073 |
| 889 | Human-Computer Interaction | 14 | 314 | 592 | 699 |
| 889 | Bioinorganic chemistry | 16 | 314 | 663 | 796 |
| 889 | Political Participation | 10 | 314 | 125 | 121 |
| 892 | micromechanics | 12 | 313 | 236 | 261 |
| 893 | Crystallization | 15 | 312 | 165 | 154 |
| 894 | speech therapy | 23 | 311 | 105 | 160 |
| 894 | wetland management | 10 | 311 | 32 | 48 |
| 896 | Telecommunications | 3 | 310 | 924 | 153 |
| 896 | behavior modification | 10 | 310 | 222 | 300 |
| 898 | Atmospheric Chemistry | 5 | 307 | 896 | 841 |
| 898 | child behavior | 12 | 307 | 161 | 254 |
| 900 | DNS | 11 | 306 | 188 | 211 |
| 901 | Neurotransmitters | 9 | 305 | 336 | 228 |
| 902 | Cardiovascular Pharmacology | 17 | 304 | 46 | 85 |
| 902 | Lung Transplantation | 29 | 304 | 243 | 375 |
| 902 | Heart transplantation | 29 | 304 | 243 | 375 |
| 905 | working class | 8 | 303 | 88 | 123 |
| 906 | Pharmacognosy | 12 | 302 | 1002 | 1291 |
| 907 | Africa | 38 | 300 | 294 | 491 |
| 908 | Energy Harvesting | 4 | 299 | 435 | 454 |
| 909 | Nationalism | 12 | 298 | 95 | 48 |
| 910 | Tunneling | 2 | 294 | 449 | 195 |
| 910 | underground construction | 2 | 294 | 449 | 195 |
| 912 | Mining Engineering | 7 | 293 | 345 | 252 |
| 912 | Ecological Engineering | 15 | 293 | 143 | 393 |
| 912 | Immunogenetics | 28 | 293 | 158 | 451 |
| 912 | Microfluidics | 12 | 293 | 42 | 71 |
| 912 | Entropy | 26 | 293 | 153 | 290 |
| 917 | homosexuality | 7 | 292 | 225 | 163 |
| 918 | Food Microbiology | 6 | 291 | 1040 | 1018 |
| 919 | Urban Planning | 8 | 289 | 206 | 184 |
| 920 | Logic | 22 | 288 | 101 | 108 |
| 920 | Coral reef biology | 4 | 288 | 135 | 106 |
| 922 | Biological Systems | 6 | 287 | 501 | 290 |
| 923 | Dietetics | 9 | 286 | 458 | 352 |
| 924 | Molecular Pharmacology | 9 | 285 | 462 | 636 |
| 924 | Speech | 13 | 285 | 406 | 557 |
| 924 | gene transfer | 10 | 285 | 82 | 110 |
| 924 | genetic transformation | 10 | 285 | 82 | 110 |
| 928 | Biochemical Genetics | 12 | 283 | 125 | 73 |
| 928 | Sound | 15 | 283 | 217 | 185 |
| 930 | Job satisfaction | 3 | 282 | 106 | 83 |
| 930 | job stress | 3 | 282 | 106 | 83 |
| 930 | aerosol | 26 | 282 | 76 | 195 |
| 933 | Lattice Theory | 37 | 281 | 16 | 17 |
| 934 | environmental indicators | 9 | 280 | 627 | 801 |
| 935 | Simulation | 3 | 279 | 207 | 63 |
| 935 | theoretical models | 3 | 279 | 207 | 63 |
| 937 | acupuncture | 17 | 278 | 46 | 9 |
| 938 | Hematopoietic stem cell transplantation | 5 | 277 | 384 | 303 |
| 939 | Architecture | 7 | 276 | 437 | 136 |
| 939 | Lymphoma | 27 | 276 | 207 | 110 |
| 939 | Multiple Myeloma | 27 | 276 | 205 | 98 |
| 939 | Gastrointestinal diseases | 13 | 276 | 240 | 278 |
| 943 | nuclear power | 38 | 275 | 100 | 147 |
| 944 | Scheduling | 15 | 274 | 14 | 37 |
| 944 | Production Scheduling | 15 | 274 | 14 | 37 |
| 946 | Behavioral research | 13 | 272 | 98 | 95 |
| 946 | cardiac catheterization | 40 | 272 | 152 | 466 |
| 948 | Ecological Genetics | 9 | 270 | 342 | 212 |
| 948 | Evolutionary Genetics | 6 | 270 | 466 | 317 |
| 948 | Molecular Epidemiology | 6 | 270 | 466 | 317 |
| 948 | Learning disabilities | 11 | 270 | 412 | 402 |
| 948 | Pharmacy management | 11 | 270 | 140 | 96 |
| 953 | Wireless Communication | 6 | 269 | 271 | 86 |
| 953 | X-ray spectroscopy | 21 | 269 | 26 | 41 |
| 955 | Neuroplasticity | 11 | 268 | 82 | 124 |
| 956 | Industrial Statistics | 18 | 266 | 14 | 18 |
| 956 | Wind power | 4 | 266 | 262 | 104 |
| 956 | prostaglandins | 11 | 266 | 232 | 259 |
| 959 | neuronal plasticity | 10 | 265 | 75 | 111 |
| 960 | Neurogenetics | 6 | 260 | 176 | 133 |
| 961 | Genetic disorders | 9 | 259 | 334 | 369 |
| 961 | Corporate governance | 5 | 259 | 434 | 262 |
| 961 | construction | 5 | 259 | 133 | 94 |
| 964 | Forensic Psychology | 13 | 258 | 129 | 146 |
| 965 | Special Education | 10 | 257 | 417 | 306 |
| 966 | Cellular senescence | 4 | 256 | 723 | 560 |
| 966 | psychopathology | 8 | 256 | 200 | 250 |
| 968 | Sustainable Development | 17 | 255 | 760 | 1452 |
| 968 | Electromagnetism | 11 | 255 | 349 | 273 |
| 970 | School Psychology | 7 | 254 | 280 | 264 |
| 970 | Risk assessment | 15 | 254 | 133 | 173 |
| 970 | Birds | 20 | 254 | 492 | 596 |
| 973 | Municipal Engineering | 15 | 253 | 44 | 102 |
| 974 | Mass Media | 44 | 252 | 118 | 187 |
| 975 | Papermaking | 12 | 251 | 69 | 18 |
| 975 | death | 13 | 251 | 56 | 55 |
| 975 | DNA | 12 | 251 | 199 | 273 |
| 978 | Sports Psychology | 8 | 250 | 47 | 66 |
| 978 | mammals | 10 | 250 | 616 | 595 |
| 980 | Neurosurgery | 12 | 249 | 722 | 893 |
| 981 | Pharmaceutical Technology | 11 | 247 | 881 | 1068 |
| 981 | school environment | 4 | 247 | 64 | 24 |
| 983 | Photobiology | 10 | 246 | 751 | 829 |
| 983 | Uncertainty | 1 | 246 | 391 | 91 |
| 985 | civil rights | 10 | 245 | 153 | 89 |
| 986 | Statistical Mechanics | 13 | 244 | 560 | 432 |
| 986 | Multimedia Systems | 23 | 244 | 439 | 637 |
| 988 | Number Theory | 26 | 242 | 211 | 166 |
| 989 | Urban Policy | 5 | 241 | 636 | 461 |
| 990 | bioclimatology | 7 | 239 | 587 | 506 |
| 990 | Diplomatic relations | 71 | 239 | 52 | 120 |
| 990 | heredity | 13 | 239 | 261 | 374 |
| 993 | Exercise therapy | 6 | 238 | 222 | 101 |
| 994 | Pharmacogenomics | 7 | 237 | 143 | 197 |
| 994 | Animal welfare | 5 | 237 | 242 | 151 |
| 996 | Psychiatric hospitals | 10 | 236 | 189 | 189 |
| 997 | mental processes | 8 | 235 | 193 | 131 |
| 997 | magnetic resonance | 22 | 235 | 71 | 205 |
| 999 | Ethnoarchaeology | 9 | 234 | 63 | 90 |
| 999 | Venture Capital | 5 | 234 | 199 | 381 |