| 1 | Science | 2,436 | 203.9K | 107 | 119 |
| 2 | Physics | 2,126 | 194.2K | 195 | 152 |
| 3 | Biology | 1,807 | 189.4K | 146 | 133 |
| 4 | Astrophysics | 1,588 | 127.4K | 79 | 82 |
| 5 | Medicine | 2,409 | 108.5K | 100 | 128 |
| 6 | Astronomy | 1,258 | 106.7K | 92 | 72 |
| 7 | Molecular Biology | 1,424 | 105.7K | 138 | 123 |
| 8 | Natural history | 404 | 102.2K | 119 | 116 |
| 9 | Neurology | 1,177 | 96.4K | 126 | 96 |
| 10 | Chemistry | 1,289 | 92.5K | 310 | 247 |
| 11 | Ecology | 1,124 | 92.3K | 89 | 74 |
| 12 | Research | 2,394 | 81.3K | 50 | 81 |
| 13 | Biochemistry | 2,316 | 80.9K | 129 | 175 |
| 14 | Geophysics | 1,435 | 75.4K | 30 | 26 |
| 15 | Human genetics | 288 | 68.6K | 82 | 71 |
| 16 | Nuclear Physics | 1,471 | 58.5K | 132 | 132 |
| 17 | Microbiology | 1,037 | 55.8K | 120 | 148 |
| 18 | Psychiatry | 1,143 | 54.9K | 40 | 60 |
| 19 | Immunology | 1,000 | 46.2K | 30 | 72 |
| 20 | Physiology | 1,480 | 45.7K | 18 | 56 |
| 21 | Cytology | 552 | 44.0K | 156 | 149 |
| 22 | Cell Biology | 456 | 43.0K | 165 | 144 |
| 23 | Mental Disorders | 794 | 40.0K | 22 | 34 |
| 24 | Public Health | 978 | 38.6K | 72 | 82 |
| 25 | Spectrum analysis | 688 | 37.9K | 124 | 165 |
| 26 | Psychology | 1,210 | 35.3K | 46 | 103 |
| 27 | Cancer | 620 | 33.1K | 65 | 72 |
| 28 | Epidemiology | 817 | 33.0K | 38 | 48 |
| 29 | Genetics | 415 | 32.3K | 132 | 128 |
| 30 | Atmospheric Physics | 343 | 31.9K | 43 | 21 |
| 31 | Neurophysiology | 390 | 31.5K | 116 | 95 |
| 32 | Pollution | 479 | 31.0K | 150 | 145 |
| 33 | Environment | 392 | 29.2K | 178 | 175 |
| 34 | Pathology | 1,114 | 26.7K | 3 | 19 |
| 35 | Geology | 598 | 25.8K | 63 | 69 |
| 36 | nucleic acids | 150 | 25.8K | 95 | 41 |
| 37 | Nutrition | 480 | 24.9K | 67 | 67 |
| 38 | Molecular ecology | 168 | 24.8K | 16 | 6 |
| 39 | Immunity | 431 | 24.6K | 25 | 87 |
| 40 | Molecular Genetics | 190 | 24.2K | 53 | 13 |
| 41 | pain | 303 | 24.1K | 21 | 14 |
| 42 | Botany | 475 | 24.0K | 134 | 146 |
| 43 | Pharmacology | 712 | 23.9K | 142 | 151 |
| 44 | Medical genetics | 392 | 23.2K | 87 | 110 |
| 45 | Population Genetics | 177 | 23.2K | 20 | 4 |
| 46 | Biophysics | 673 | 22.6K | 182 | 192 |
| 47 | Environmental Health | 435 | 22.5K | 151 | 156 |
| 48 | Economics | 452 | 22.1K | 129 | 94 |
| 49 | Atmospheric Chemistry | 226 | 21.9K | 36 | 30 |
| 50 | Brain | 334 | 21.7K | 108 | 74 |
| 51 | Geochemistry | 501 | 20.9K | 28 | 50 |
| 52 | Immune system | 371 | 19.4K | 2 | 42 |
| 53 | Materials | 336 | 19.2K | 497 | 361 |
| 54 | Oncology | 258 | 18.7K | 57 | 61 |
| 55 | Evolution | 169 | 18.6K | 102 | 60 |
| 56 | Mental illness | 254 | 18.3K | 58 | 55 |
| 57 | Hematology | 346 | 18.1K | 150 | 137 |
| 58 | Catalysis | 306 | 17.9K | 242 | 189 |
| 59 | Endocrinology | 296 | 17.8K | 171 | 164 |
| 60 | Psychophysiology | 278 | 17.5K | 177 | 133 |
| 61 | transport vesicles | 13 | 17.1K | 34 | 23 |
| 62 | Earth Sciences | 291 | 16.9K | 81 | 74 |
| 63 | biological evolution | 205 | 16.7K | 88 | 98 |
| 64 | Biotechnology | 158 | 16.5K | 611 | 312 |
| 65 | Metabolism | 278 | 15.8K | 133 | 151 |
| 66 | Europe | 685 | 15.8K | 19 | 22 |
| 67 | Behavior | 328 | 15.7K | 113 | 132 |
| 68 | Sociology | 473 | 15.6K | 42 | 69 |
| 69 | Solid State Physics | 496 | 15.3K | 235 | 242 |
| 70 | Diet | 242 | 15.2K | 42 | 50 |
| 71 | Education | 437 | 15.2K | 93 | 70 |
| 72 | Oceanography | 237 | 14.8K | 82 | 61 |
| 73 | Neurobiology | 149 | 14.7K | 117 | 80 |
| 74 | Neurochemistry | 242 | 14.4K | 103 | 75 |
| 75 | Marine Biology | 377 | 14.4K | 42 | 52 |
| 76 | human behavior | 230 | 14.4K | 90 | 95 |
| 77 | Condensed Matter | 437 | 14.2K | 242 | 258 |
| 78 | Diabetes | 202 | 14.2K | 97 | 87 |
| 79 | environmental pollution | 263 | 14.0K | 187 | 155 |
| 80 | Pharmaceutical Chemistry | 235 | 13.2K | 216 | 135 |
| 81 | Diabetes mellitus | 179 | 13.1K | 94 | 91 |
| 82 | Nervous system | 187 | 13.1K | 131 | 105 |
| 83 | Virology | 100 | 13.0K | 379 | 264 |
| 84 | Zoology | 313 | 13.0K | 38 | 21 |
| 85 | Health Services Research | 387 | 12.9K | 15 | 25 |
| 86 | Cardiovascular system | 157 | 12.8K | 116 | 110 |
| 87 | Toxicology | 432 | 12.8K | 105 | 157 |
| 88 | Environmental Policy | 171 | 12.7K | 129 | 94 |
| 89 | Psychosomatic Medicine | 81 | 12.6K | 38 | 7 |
| 90 | Animal Behavior | 232 | 12.5K | 99 | 90 |
| 91 | Quantum Gravity | 247 | 12.5K | 254 | 223 |
| 92 | Pediatrics | 270 | 12.4K | 101 | 112 |
| 93 | Planets | 278 | 12.1K | 76 | 90 |
| 94 | Analytical Chemistry | 376 | 12.0K | 158 | 202 |
| 95 | International Relations | 179 | 12.0K | 18 | 3 |
| 96 | Obstetrics | 251 | 12.0K | 106 | 67 |
| 97 | Surgery | 175 | 11.9K | 88 | 121 |
| 98 | Primary health care | 445 | 11.9K | 3 | 7 |
| 99 | Metabolic diseases | 178 | 11.7K | 145 | 162 |
| 100 | Hypertension | 142 | 11.7K | 121 | 112 |
| 101 | Medical Microbiology | 222 | 11.5K | 77 | 94 |
| 102 | peace | 144 | 11.3K | 3 | 4 |
| 103 | Computational Biology | 203 | 10.7K | 88 | 106 |
| 104 | Nanotechnology | 195 | 10.3K | 534 | 483 |
| 105 | Meteorology | 194 | 10.0K | 152 | 148 |
| 106 | drug therapy | 282 | 10.0K | 62 | 63 |
| 107 | Neuropsychology | 236 | 10.0K | 84 | 82 |
| 108 | Psychopharmacology | 231 | 9.9K | 40 | 81 |
| 109 | United States | 281 | 9.9K | 306 | 271 |
| 110 | cryosphere | 125 | 9.9K | 6 | 2 |
| 111 | Biodiversity conservation | 106 | 9.8K | 108 | 117 |
| 112 | Bioengineering | 79 | 9.8K | 669 | 315 |
| 113 | Environmental Engineering | 147 | 9.8K | 254 | 205 |
| 114 | International security | 91 | 9.7K | 3 | 2 |
| 115 | conflict management | 90 | 9.7K | 3 | 2 |
| 116 | Lipids | 119 | 9.4K | 27 | 16 |
| 117 | Genomics | 257 | 9.4K | 87 | 109 |
| 118 | Clinical Laboratory Science | 495 | 9.0K | 2 | 3 |
| 119 | Child psychology | 213 | 8.9K | 72 | 108 |
| 120 | Environmental monitoring | 168 | 8.9K | 179 | 152 |
| 121 | Animal ecology | 159 | 8.9K | 24 | 20 |
| 122 | Clinical Chemistry | 207 | 8.9K | 122 | 115 |
| 123 | Ethology | 175 | 8.9K | 82 | 108 |
| 124 | Public Administration | 198 | 8.8K | 19 | 25 |
| 125 | Petroleum Geology | 154 | 8.7K | 5 | 4 |
| 126 | Microbial Ecology | 155 | 8.7K | 118 | 178 |
| 127 | rehabilitation | 295 | 8.7K | 40 | 59 |
| 128 | Mathematics | 512 | 8.7K | 328 | 249 |
| 129 | Social Sciences | 309 | 8.6K | 74 | 82 |
| 130 | Quality of life | 201 | 8.6K | 10 | 23 |
| 131 | Health Policy | 241 | 8.6K | 75 | 65 |
| 132 | Statistics | 191 | 8.6K | 159 | 116 |
| 133 | Orthopedics | 242 | 8.5K | 28 | 31 |
| 134 | Therapeutics | 230 | 8.5K | 38 | 58 |
| 135 | Marine Geology | 142 | 8.4K | 5 | 4 |
| 136 | psychotherapy | 290 | 8.3K | 11 | 69 |
| 137 | Telecommunication | 118 | 8.3K | 248 | 157 |
| 138 | internet | 64 | 8.1K | 122 | 20 |
| 139 | Climate change | 64 | 8.1K | 93 | 112 |
| 140 | Histology | 166 | 8.1K | 60 | 57 |
| 141 | pain management | 109 | 8.1K | 8 | 1 |
| 142 | Eutrophication | 60 | 8.0K | 97 | 114 |
| 143 | Medical Anthropology | 166 | 8.0K | 44 | 59 |
| 144 | Climatology | 135 | 8.0K | 128 | 111 |
| 145 | Transplantation | 155 | 7.9K | 68 | 69 |
| 146 | Solar System | 177 | 7.9K | 30 | 31 |
| 147 | Child Development | 245 | 7.8K | 65 | 122 |
| 148 | Health Education | 228 | 7.7K | 60 | 47 |
| 149 | Economic History | 193 | 7.7K | 149 | 74 |
| 150 | Internet of Things | 49 | 7.7K | 136 | 18 |
| 151 | Clinical Pharmacology | 248 | 7.7K | 15 | 14 |
| 152 | Medical innovations | 22 | 7.7K | 207 | 51 |
| 153 | drug development | 23 | 7.6K | 187 | 47 |
| 154 | Statistical physics | 315 | 7.6K | 253 | 303 |
| 155 | Biocompatible Materials | 157 | 7.6K | 407 | 436 |
| 156 | Cerebral cortex | 85 | 7.6K | 59 | 37 |
| 157 | Geodynamics | 178 | 7.5K | 14 | 24 |
| 158 | Diagnostic microbiology | 41 | 7.4K | 180 | 61 |
| 159 | Schizophrenia | 199 | 7.4K | 29 | 48 |
| 160 | computer networks | 149 | 7.4K | 114 | 64 |
| 161 | Developing countries | 245 | 7.3K | 31 | 55 |
| 162 | gene mapping | 129 | 7.3K | 81 | 97 |
| 163 | Geography | 195 | 7.3K | 99 | 99 |
| 164 | Sun | 152 | 7.2K | 13 | 11 |
| 165 | Petrology | 185 | 7.2K | 24 | 62 |
| 166 | Medical Ethics | 307 | 7.1K | 8 | 3 |
| 167 | Nursing | 262 | 7.1K | 19 | 20 |
| 168 | United Kingdom | 178 | 7.0K | 51 | 59 |
| 169 | Mycology | 152 | 7.0K | 59 | 41 |
| 170 | Aging | 179 | 6.9K | 172 | 166 |
| 171 | Materials Science | 162 | 6.8K | 505 | 487 |
| 172 | counseling | 199 | 6.8K | 34 | 30 |
| 173 | Biochemical Engineering | 34 | 6.7K | 949 | 384 |
| 174 | Hydrology | 135 | 6.6K | 158 | 126 |
| 175 | Geriatrics | 207 | 6.6K | 174 | 170 |
| 176 | Child | 206 | 6.5K | 92 | 90 |
| 177 | Obesity | 167 | 6.4K | 99 | 133 |
| 178 | Neurons | 29 | 6.4K | 135 | 132 |
| 179 | Mineralogy | 187 | 6.4K | 37 | 77 |
| 180 | Thrombosis | 229 | 6.4K | 11 | 39 |
| 181 | Sports Medicine | 174 | 6.3K | 128 | 126 |
| 182 | Biomedical Engineering | 190 | 6.3K | 407 | 411 |
| 183 | genome | 94 | 6.3K | 100 | 158 |
| 184 | Developmental Biology | 86 | 6.3K | 250 | 220 |
| 185 | Wireless Communication Systems | 108 | 6.2K | 242 | 141 |
| 186 | Political Science | 222 | 6.1K | 62 | 78 |
| 187 | Cognition | 209 | 6.1K | 81 | 145 |
| 188 | Automation | 41 | 6.1K | 508 | 207 |
| 189 | Anatomy | 134 | 6.1K | 143 | 151 |
| 190 | Educational Psychology | 118 | 5.9K | 96 | 79 |
| 191 | arthritis | 136 | 5.9K | 72 | 104 |
| 192 | Medical Oncology | 145 | 5.9K | 111 | 121 |
| 193 | Patient education | 163 | 5.8K | 6 | 11 |
| 194 | Embryology | 122 | 5.8K | 124 | 158 |
| 195 | Oncogenes | 67 | 5.8K | 125 | 112 |
| 196 | sanitation | 84 | 5.7K | 165 | 196 |
| 197 | Eating Disorders | 173 | 5.6K | 19 | 31 |
| 198 | Information Technology | 116 | 5.5K | 79 | 86 |
| 199 | Cardiovascular diseases | 199 | 5.5K | 29 | 49 |
| 200 | environmental protection | 93 | 5.4K | 306 | 202 |
| 201 | Feeding and Eating Disorders | 162 | 5.4K | 21 | 33 |
| 202 | Immunotherapy | 99 | 5.4K | 129 | 155 |
| 203 | behavioral medicine | 112 | 5.4K | 60 | 87 |
| 204 | Water pollution | 118 | 5.3K | 213 | 243 |
| 205 | cell physiology | 69 | 5.3K | 166 | 125 |
| 206 | Chromosome mapping | 100 | 5.2K | 92 | 89 |
| 207 | drugs | 148 | 5.2K | 81 | 77 |
| 208 | Health | 165 | 5.2K | 102 | 103 |
| 209 | Algae | 96 | 5.2K | 24 | 13 |
| 210 | Cell differentiation | 115 | 5.1K | 141 | 233 |
| 211 | atmospheric models | 57 | 5.1K | 79 | 43 |
| 212 | Colloids | 179 | 5.1K | 359 | 468 |
| 213 | Bioinformatics | 127 | 5.0K | 116 | 184 |
| 214 | Liver diseases | 71 | 5.0K | 178 | 202 |
| 215 | Philosophy | 265 | 5.0K | 44 | 29 |
| 216 | Bioethics | 222 | 4.9K | 10 | 4 |
| 217 | Immunopathology | 128 | 4.9K | 46 | 55 |
| 218 | Surface Chemistry | 192 | 4.8K | 326 | 445 |
| 219 | Polymers | 198 | 4.8K | 486 | 555 |
| 220 | Pharmacognosy | 67 | 4.7K | 188 | 76 |
| 221 | alcoholism | 172 | 4.7K | 71 | 98 |
| 222 | Solid State Chemistry | 160 | 4.6K | 153 | 101 |
| 223 | Ethics | 201 | 4.6K | 3 | 4 |
| 224 | Fisheries | 112 | 4.6K | 96 | 75 |
| 225 | Developmental Psychology | 107 | 4.6K | 60 | 87 |
| 226 | Hemostasis | 197 | 4.6K | 2 | 6 |
| 227 | Plant Ecology | 91 | 4.5K | 152 | 165 |
| 228 | Emergency Medicine | 181 | 4.5K | 53 | 48 |
| 229 | Data Mining | 69 | 4.5K | 72 | 76 |
| 230 | Biodiversity | 113 | 4.5K | 132 | 181 |
| 231 | Fungi | 95 | 4.4K | 43 | 48 |
| 232 | data collection | 59 | 4.4K | 35 | 45 |
| 233 | Nanostructured Materials | 107 | 4.4K | 423 | 376 |
| 234 | Scandinavia | 358 | 4.4K | 5 | 14 |
| 235 | Social Psychology | 150 | 4.4K | 175 | 285 |
| 236 | Emergency Medical Services | 168 | 4.3K | 4 | 2 |
| 237 | Physical Therapy | 98 | 4.3K | 90 | 88 |
| 238 | Communication | 115 | 4.3K | 149 | 150 |
| 239 | Environmental Toxicology | 65 | 4.3K | 238 | 153 |
| 240 | Radiobiology | 125 | 4.3K | 104 | 113 |
| 241 | Reproduction | 134 | 4.3K | 180 | 182 |
| 242 | Wildlife conservation | 76 | 4.2K | 74 | 77 |
| 243 | Learning | 99 | 4.2K | 102 | 120 |
| 244 | Mental Health | 167 | 4.2K | 46 | 55 |
| 245 | Biometrics | 100 | 4.2K | 72 | 68 |
| 246 | Numerical Analysis | 144 | 4.2K | 80 | 60 |
| 247 | Forensic Genetics | 90 | 4.2K | 7 | 8 |
| 248 | Nonlinear Dynamics | 166 | 4.1K | 154 | 198 |
| 249 | Teaching | 89 | 4.1K | 132 | 88 |
| 250 | Parasitic Diseases | 99 | 4.1K | 105 | 103 |
| 251 | Community Psychiatry | 82 | 4.1K | 52 | 47 |
| 252 | disease outbreaks | 83 | 4.1K | 15 | 18 |
| 252 | Epidemics | 83 | 4.1K | 14 | 18 |
| 254 | Food | 89 | 4.0K | 320 | 265 |
| 255 | Electrochemistry | 205 | 4.0K | 412 | 465 |
| 255 | mutagens | 55 | 4.0K | 55 | 30 |
| 257 | Medicinal plants | 49 | 4.0K | 154 | 41 |
| 258 | medical education | 124 | 4.0K | 144 | 118 |
| 259 | Adolescent | 129 | 4.0K | 140 | 130 |
| 260 | Molecules | 97 | 3.9K | 125 | 86 |
| 261 | Morphology | 85 | 3.9K | 26 | 10 |
| 262 | drug addiction | 110 | 3.9K | 80 | 89 |
| 263 | Periglacial processes | 49 | 3.9K | 3 | 3 |
| 263 | Permafrost | 49 | 3.9K | 3 | 3 |
| 263 | Frozen ground | 49 | 3.9K | 3 | 3 |
| 266 | gene therapy | 65 | 3.9K | 86 | 75 |
| 267 | Environmental Management | 53 | 3.8K | 471 | 296 |
| 268 | Cytogenetics | 101 | 3.8K | 98 | 190 |
| 269 | Electrophoresis | 122 | 3.8K | 42 | 40 |
| 270 | Pregnancy | 104 | 3.8K | 11 | 9 |
| 271 | Environmental Law | 65 | 3.8K | 68 | 88 |
| 272 | Psycholinguistics | 82 | 3.8K | 82 | 85 |
| 273 | Technology | 101 | 3.7K | 467 | 360 |
| 274 | Geriatric Psychiatry | 78 | 3.7K | 41 | 29 |
| 275 | Metals | 61 | 3.7K | 318 | 221 |
| 276 | brain mapping | 59 | 3.7K | 48 | 46 |
| 277 | Public Policy | 119 | 3.7K | 80 | 93 |
| 278 | Parasitology | 87 | 3.7K | 197 | 124 |
| 279 | Biogeography | 55 | 3.6K | 87 | 86 |
| 280 | Bacteriology | 81 | 3.6K | 240 | 279 |
| 281 | Pharmaceutical Technology | 61 | 3.6K | 130 | 58 |
| 282 | epilepsy | 112 | 3.6K | 24 | 27 |
| 283 | Paleoclimatology | 93 | 3.6K | 61 | 72 |
| 284 | Stochastic Processes | 116 | 3.6K | 1 | 1 |
| 285 | Mathematical Physics | 154 | 3.6K | 280 | 301 |
| 286 | Meteorites | 72 | 3.6K | 153 | 174 |
| 287 | Stem cells | 67 | 3.5K | 160 | 130 |
| 288 | Plants | 97 | 3.5K | 179 | 298 |
| 289 | Molecular structure | 54 | 3.5K | 351 | 188 |
| 290 | Chemical Engineering | 70 | 3.5K | 1015 | 849 |
| 291 | Ophthalmology | 127 | 3.5K | 151 | 197 |
| 292 | Chromatography | 131 | 3.5K | 35 | 31 |
| 293 | Cell metabolism | 19 | 3.5K | 137 | 118 |
| 294 | polar regions | 120 | 3.5K | 8 | 8 |
| 295 | Radio | 43 | 3.5K | 312 | 186 |
| 296 | Physical Chemistry | 89 | 3.5K | 261 | 278 |
| 297 | Molecular evolution | 62 | 3.5K | 151 | 157 |
| 298 | Parenteral nutrition | 63 | 3.5K | 68 | 98 |
| 299 | European integration | 38 | 3.5K | 11 | 5 |
| 299 | European Economic Community | 38 | 3.5K | 11 | 5 |
| 301 | ecosystem | 65 | 3.4K | 92 | 128 |
| 302 | Engineering | 102 | 3.4K | 461 | 286 |
| 303 | Regional Planning | 81 | 3.4K | 119 | 82 |
| 304 | Sports | 115 | 3.4K | 174 | 180 |
| 305 | Homeostasis | 13 | 3.4K | 134 | 120 |
| 306 | Enteral nutrition | 59 | 3.4K | 38 | 74 |
| 307 | Allergy | 33 | 3.4K | 248 | 212 |
| 308 | Oral Pathology | 50 | 3.4K | 1 | 1 |
| 309 | Reading | 85 | 3.4K | 20 | 18 |
| 310 | Psychiatric Epidemiology | 64 | 3.4K | 16 | 13 |
| 311 | Organic Chemistry | 105 | 3.3K | 417 | 390 |
| 311 | Immunogenetics | 80 | 3.3K | 18 | 18 |
| 313 | Physical fitness | 48 | 3.3K | 86 | 52 |
| 314 | Chromatographic analysis | 124 | 3.3K | 62 | 39 |
| 315 | Pharmacy | 95 | 3.3K | 193 | 166 |
| 316 | Geomagnetism | 116 | 3.3K | 25 | 33 |
| 317 | Respiration | 74 | 3.3K | 167 | 147 |
| 318 | Criminology | 130 | 3.3K | 44 | 55 |
| 319 | risk factors | 116 | 3.3K | 7 | 21 |
| 320 | Electronics | 108 | 3.3K | 451 | 374 |
| 321 | free radicals | 55 | 3.3K | 150 | 157 |
| 322 | Radiation | 76 | 3.3K | 204 | 89 |
| 323 | Anthropology | 161 | 3.3K | 95 | 87 |
| 323 | Critical Care | 62 | 3.3K | 212 | 257 |
| 325 | Signal Processing | 83 | 3.3K | 369 | 357 |
| 326 | Critical Care Medicine | 64 | 3.2K | 210 | 259 |
| 326 | Post-traumatic stress disorder | 130 | 3.2K | 15 | 44 |
| 328 | Environmental Chemistry | 84 | 3.2K | 137 | 292 |
| 329 | Artificial Intelligence | 95 | 3.2K | 445 | 471 |
| 330 | Human Geography | 80 | 3.2K | 91 | 88 |
| 331 | proteins | 77 | 3.2K | 205 | 182 |
| 332 | Economic Development | 72 | 3.2K | 126 | 159 |
| 333 | energy conservation | 33 | 3.2K | 437 | 281 |
| 334 | Bones | 52 | 3.2K | 61 | 65 |
| 335 | Astrocytes | 34 | 3.2K | 33 | 23 |
| 336 | Chronic diseases | 68 | 3.2K | 53 | 103 |
| 337 | personality | 93 | 3.1K | 146 | 245 |
| 338 | Computational Chemistry | 14 | 3.1K | 207 | 66 |
| 339 | Water | 72 | 3.1K | 357 | 447 |
| 340 | polymerization | 127 | 3.1K | 540 | 598 |
| 341 | Bioorganic chemistry | 98 | 3.1K | 288 | 341 |
| 342 | Cognitive neuroscience | 72 | 3.1K | 104 | 184 |
| 343 | Genetic engineering | 58 | 3.0K | 251 | 220 |
| 344 | Rheumatology | 82 | 3.0K | 87 | 142 |
| 345 | Genetic therapy | 59 | 3.0K | 107 | 97 |
| 346 | Ultrasonics | 48 | 3.0K | 128 | 61 |
| 347 | Environmental pollutants | 111 | 3.0K | 93 | 168 |
| 348 | Sleep Disorders | 76 | 3.0K | 154 | 138 |
| 349 | Sustainable Development | 54 | 3.0K | 151 | 142 |
| 349 | Ultrasound | 46 | 3.0K | 81 | 29 |
| 351 | disabilities | 94 | 3.0K | 16 | 21 |
| 352 | Paleoecology | 76 | 3.0K | 71 | 78 |
| 353 | Sleep | 74 | 3.0K | 158 | 152 |
| 354 | Environmental Microbiology | 49 | 2.9K | 142 | 166 |
| 355 | Photochemistry | 70 | 2.9K | 92 | 75 |
| 356 | Ferroelectricity | 39 | 2.9K | 175 | 26 |
| 357 | Demography | 74 | 2.9K | 36 | 43 |
| 358 | human development | 63 | 2.9K | 66 | 70 |
| 358 | Attention | 95 | 2.9K | 174 | 172 |
| 360 | Perception | 89 | 2.9K | 226 | 222 |
| 361 | Metallurgy | 53 | 2.9K | 420 | 285 |
| 362 | Europa | 53 | 2.9K | 18 | 10 |
| 363 | Antigens | 78 | 2.9K | 30 | 36 |
| 364 | Paleogeography | 70 | 2.9K | 56 | 71 |
| 365 | Sound | 46 | 2.9K | 135 | 61 |
| 366 | Memory | 92 | 2.8K | 199 | 241 |
| 367 | Women's health | 89 | 2.8K | 63 | 48 |
| 368 | Energy Policy | 75 | 2.8K | 297 | 397 |
| 369 | Ethnology | 136 | 2.8K | 44 | 35 |
| 370 | Radio frequency | 36 | 2.8K | 58 | 21 |
| 371 | Adolescent Psychology | 72 | 2.8K | 51 | 63 |
| 372 | infection | 82 | 2.8K | 127 | 164 |
| 373 | Developmental Disabilities | 67 | 2.7K | 104 | 117 |
| 374 | Hemodynamics | 45 | 2.7K | 85 | 84 |
| 375 | Alzheimer's disease | 114 | 2.7K | 126 | 125 |
| 376 | Diagnostic Imaging | 99 | 2.7K | 146 | 195 |
| 377 | Carcinogenesis | 81 | 2.7K | 35 | 69 |
| 378 | Visual Perception | 84 | 2.7K | 177 | 180 |
| 379 | Natural resources | 63 | 2.6K | 37 | 52 |
| 380 | Development | 50 | 2.6K | 62 | 64 |
| 381 | Proteome | 54 | 2.6K | 109 | 121 |
| 382 | Chromosomes | 42 | 2.6K | 106 | 60 |
| 383 | China | 77 | 2.6K | 327 | 190 |
| 384 | Econometrics | 65 | 2.6K | 158 | 158 |
| 385 | Vaccines | 72 | 2.6K | 174 | 163 |
| 386 | Marine Pollution | 56 | 2.6K | 84 | 84 |
| 387 | preventive medicine | 44 | 2.6K | 188 | 144 |
| 388 | Histochemistry | 50 | 2.5K | 84 | 38 |
| 389 | mutation | 32 | 2.5K | 64 | 31 |
| 390 | Membranes | 65 | 2.5K | 261 | 313 |
| 391 | Social behavior | 67 | 2.5K | 107 | 155 |
| 392 | Software Engineering | 59 | 2.5K | 89 | 86 |
| 393 | plant communities | 46 | 2.5K | 163 | 172 |
| 394 | Research Design | 66 | 2.5K | 103 | 140 |
| 395 | Plant cells | 23 | 2.5K | 361 | 354 |
| 396 | pollutants | 85 | 2.5K | 106 | 175 |
| 397 | bioclimatology | 35 | 2.5K | 67 | 18 |
| 398 | Leukemia | 68 | 2.5K | 115 | 182 |
| 399 | Growth | 43 | 2.5K | 215 | 263 |
| 400 | Computer Graphics | 24 | 2.4K | 516 | 195 |
| 401 | Culture | 102 | 2.4K | 36 | 24 |
| 402 | Economic Assistance | 45 | 2.4K | 49 | 59 |
| 403 | civil service | 48 | 2.4K | 16 | 15 |
| 404 | Immunochemistry | 67 | 2.4K | 30 | 22 |
| 405 | Language Disorders | 111 | 2.4K | 51 | 67 |
| 406 | Archaeology | 144 | 2.4K | 59 | 118 |
| 407 | Protozoa | 26 | 2.4K | 42 | 24 |
| 408 | freshwater biology | 55 | 2.3K | 45 | 54 |
| 409 | economic policy | 109 | 2.3K | 143 | 148 |
| 410 | nursing ethics | 68 | 2.3K | 3 | 2 |
| 411 | Mutagenesis | 30 | 2.3K | 18 | 5 |
| 412 | Medical Laboratory Science | 82 | 2.3K | 183 | 317 |
| 413 | Substance Abuse | 125 | 2.3K | 85 | 142 |
| 414 | Infections | 69 | 2.3K | 80 | 146 |
| 415 | Population | 67 | 2.3K | 48 | 61 |
| 416 | Africa | 68 | 2.3K | 110 | 38 |
| 417 | Clinical Psychology | 77 | 2.3K | 150 | 235 |
| 418 | Intelligent Transportation Systems | 23 | 2.2K | 262 | 115 |
| 419 | Linguistics | 158 | 2.2K | 45 | 130 |
| 419 | language | 45 | 2.2K | 88 | 75 |
| 421 | world | 34 | 2.2K | 92 | 86 |
| 422 | Marine Ecology | 60 | 2.2K | 37 | 16 |
| 423 | Ocean Engineering | 60 | 2.2K | 280 | 244 |
| 424 | Dermatology | 47 | 2.2K | 320 | 219 |
| 425 | Drug delivery systems | 36 | 2.2K | 237 | 192 |
| 426 | Parasites | 57 | 2.1K | 133 | 108 |
| 426 | Agriculture | 51 | 2.1K | 313 | 250 |
| 428 | international cooperation | 63 | 2.1K | 17 | 38 |
| 429 | Dementia | 107 | 2.1K | 123 | 127 |
| 430 | Autoimmunity | 38 | 2.1K | 91 | 90 |
| 431 | administrative agencies | 44 | 2.1K | 11 | 10 |
| 432 | Mental Health Services | 82 | 2.1K | 85 | 94 |
| 433 | Genetic Toxicology | 28 | 2.1K | 27 | 18 |
| 434 | Genetic regulation | 29 | 2.1K | 206 | 194 |
| 435 | Vision | 62 | 2.1K | 85 | 111 |
| 436 | Conservation Biology | 48 | 2.1K | 126 | 152 |
| 437 | Molecular Microbiology | 31 | 2.1K | 207 | 213 |
| 438 | water supply | 41 | 2.1K | 160 | 156 |
| 439 | Cardiovascular Pharmacology | 108 | 2.1K | 1 | 1 |
| 440 | Pediatric Neurology | 31 | 2.0K | 209 | 243 |
| 441 | DNA polymerases | 22 | 2.0K | 70 | 94 |
| 442 | Virulence | 29 | 2.0K | 270 | 272 |
| 443 | Spine | 43 | 2.0K | 88 | 98 |
| 444 | feeding behavior | 32 | 2.0K | 121 | 67 |
| 445 | Functional Analysis | 72 | 2.0K | 98 | 65 |
| 446 | Reproductive health | 51 | 2.0K | 43 | 31 |
| 447 | Hormones | 65 | 2.0K | 129 | 190 |
| 448 | natural disasters | 38 | 2.0K | 120 | 76 |
| 449 | energy resources | 43 | 2.0K | 171 | 271 |
| 450 | Zeolites | 49 | 2.0K | 56 | 66 |
| 451 | Birds | 70 | 2.0K | 119 | 89 |
| 452 | Autism | 50 | 2.0K | 78 | 98 |
| 453 | nanoscience | 46 | 2.0K | 662 | 692 |
| 454 | Technological Innovations | 25 | 2.0K | 146 | 41 |
| 455 | Cheminformatics | 7 | 2.0K | 118 | 25 |
| 456 | management | 65 | 1.9K | 616 | 803 |
| 457 | Medical Technology | 74 | 1.9K | 73 | 122 |
| 458 | Disease | 10 | 1.9K | 92 | 182 |
| 459 | Green Chemistry | 13 | 1.9K | 803 | 365 |
| 460 | occupational diseases | 76 | 1.9K | 39 | 73 |
| 461 | Nanobiotechnology | 6 | 1.9K | 222 | 42 |
| 461 | diseases | 7 | 1.9K | 139 | 187 |
| 463 | Medical Physics | 69 | 1.9K | 256 | 313 |
| 464 | health planning | 79 | 1.9K | 143 | 160 |
| 465 | Politics | 12 | 1.9K | 211 | 41 |
| 465 | government | 12 | 1.9K | 242 | 62 |
| 467 | Systems Biology | 78 | 1.9K | 93 | 140 |
| 468 | enzymes | 38 | 1.8K | 261 | 169 |
| 469 | carcinogens | 31 | 1.8K | 148 | 107 |
| 470 | Entomology | 53 | 1.8K | 401 | 252 |
| 471 | Speech Disorders | 101 | 1.8K | 93 | 145 |
| 472 | Educational Technology | 51 | 1.8K | 131 | 117 |
| 473 | cell interaction | 47 | 1.8K | 70 | 89 |
| 474 | Host-parasite interactions | 23 | 1.8K | 319 | 314 |
| 475 | thinking | 9 | 1.8K | 88 | 6 |
| 476 | cloning | 23 | 1.8K | 107 | 100 |
| 477 | Plant physiology | 54 | 1.8K | 384 | 511 |
| 478 | sports injuries | 46 | 1.8K | 22 | 6 |
| 479 | Greenhouse gases | 37 | 1.8K | 24 | 27 |
| 480 | Lipid metabolism | 26 | 1.8K | 33 | 28 |
| 480 | Lipid | 26 | 1.8K | 35 | 30 |
| 482 | Seaweed | 34 | 1.8K | 73 | 51 |
| 483 | global environmental change | 28 | 1.8K | 115 | 119 |
| 484 | Ornithology | 61 | 1.8K | 85 | 65 |
| 485 | Cognitive Science | 67 | 1.8K | 121 | 276 |
| 486 | Computer Vision | 12 | 1.7K | 499 | 216 |
| 487 | Systems Engineering | 28 | 1.7K | 551 | 246 |
| 488 | Aquaculture | 56 | 1.7K | 204 | 201 |
| 489 | Gerontology | 78 | 1.7K | 242 | 235 |
| 490 | Heart Failure | 34 | 1.7K | 72 | 72 |
| 491 | Brain damage | 45 | 1.7K | 19 | 20 |
| 492 | Lung Transplantation | 42 | 1.7K | 55 | 59 |
| 492 | Heart transplantation | 42 | 1.7K | 55 | 59 |
| 494 | Palliative Care | 69 | 1.7K | 48 | 63 |
| 494 | Randomized Controlled Trials | 95 | 1.7K | 51 | 54 |
| 496 | Geriatric Oncology | 38 | 1.7K | 45 | 35 |
| 497 | organizational effectiveness | 28 | 1.7K | 26 | 12 |
| 498 | soil microbiology | 31 | 1.7K | 360 | 386 |
| 499 | environmental exposure | 67 | 1.7K | 130 | 217 |
| 500 | Wildlife management | 50 | 1.7K | 57 | 39 |
| 501 | Environmentalism | 10 | 1.7K | 31 | 8 |
| 502 | Pharmacokinetics | 31 | 1.7K | 98 | 67 |
| 503 | Bipolar Disorder | 43 | 1.7K | 38 | 52 |
| 504 | Phylogeny | 38 | 1.7K | 105 | 122 |
| 505 | Comparative Physiology | 26 | 1.7K | 176 | 103 |
| 506 | Signal Transduction | 42 | 1.7K | 213 | 302 |
| 507 | emergency management | 33 | 1.7K | 41 | 26 |
| 507 | vascular diseases | 23 | 1.7K | 171 | 152 |
| 509 | Image Processing | 33 | 1.7K | 589 | 448 |
| 510 | insurance | 11 | 1.7K | 139 | 20 |
| 511 | Cosmochemistry | 46 | 1.7K | 78 | 101 |
| 512 | Agricultural Ecology | 24 | 1.7K | 221 | 189 |
| 513 | health behavior | 43 | 1.7K | 143 | 131 |
| 514 | Organizational change | 29 | 1.7K | 53 | 33 |
| 515 | warfare | 30 | 1.6K | 35 | 40 |
| 516 | Actuarial Science | 9 | 1.6K | 104 | 15 |
| 517 | Nuclear Medicine | 59 | 1.6K | 118 | 134 |
| 517 | Environmental Economics | 36 | 1.6K | 9 | 22 |
| 519 | Solar Energy | 37 | 1.6K | 255 | 244 |
| 520 | Neonatology | 62 | 1.6K | 13 | 29 |
| 521 | pharmaceutical industry | 15 | 1.6K | 122 | 13 |
| 522 | Mobile Computing | 35 | 1.6K | 177 | 124 |
| 523 | Light | 35 | 1.6K | 152 | 300 |
| 524 | educational planning | 34 | 1.6K | 19 | 22 |
| 525 | Neuropsychiatry | 65 | 1.6K | 50 | 91 |
| 526 | child abuse | 48 | 1.6K | 99 | 125 |
| 527 | Ecosystem management | 15 | 1.6K | 202 | 74 |
| 528 | Suicide | 46 | 1.6K | 33 | 43 |
| 529 | children | 51 | 1.6K | 13 | 40 |
| 530 | plant molecular biology | 23 | 1.6K | 461 | 465 |
| 531 | Information Science | 51 | 1.6K | 372 | 445 |
| 532 | Sedimentary rocks | 23 | 1.6K | 94 | 41 |
| 532 | probabilities | 97 | 1.6K | 104 | 102 |
| 534 | Proteomics | 41 | 1.6K | 110 | 147 |
| 535 | Neurosurgery | 30 | 1.6K | 200 | 144 |
| 536 | Microorganisms | 22 | 1.5K | 221 | 221 |
| 537 | Language Acquisition | 34 | 1.5K | 8 | 1 |
| 538 | Tropical Medicine | 45 | 1.5K | 225 | 162 |
| 539 | Biogeochemistry | 54 | 1.5K | 161 | 290 |
| 540 | crime | 82 | 1.5K | 27 | 68 |
| 541 | Fluid Mechanics | 50 | 1.5K | 242 | 227 |
| 542 | Social work | 67 | 1.5K | 183 | 145 |
| 543 | viruses | 22 | 1.5K | 416 | 361 |
| 544 | Emotions | 33 | 1.5K | 98 | 128 |
| 545 | Aquatic ecology | 34 | 1.5K | 102 | 54 |
| 546 | Appetite | 25 | 1.5K | 116 | 78 |
| 547 | Contraception | 23 | 1.5K | 126 | 51 |
| 548 | War and Society | 22 | 1.5K | 42 | 41 |
| 549 | Bacteria | 33 | 1.5K | 27 | 51 |
| 550 | disease vectors | 29 | 1.5K | 158 | 89 |
| 551 | fertility | 29 | 1.5K | 232 | 223 |
| 552 | Analytical Biochemistry | 37 | 1.4K | 266 | 220 |
| 553 | Birth control | 22 | 1.4K | 79 | 33 |
| 554 | Marine Meteorology | 35 | 1.4K | 68 | 68 |
| 555 | environmental indicators | 14 | 1.4K | 392 | 107 |
| 556 | Algal blooms | 24 | 1.4K | 28 | 40 |
| 556 | Cyanobacteria | 24 | 1.4K | 28 | 40 |
| 556 | microalgae | 24 | 1.4K | 28 | 40 |
| 559 | Child welfare | 60 | 1.4K | 104 | 114 |
| 560 | Paleontology | 68 | 1.4K | 165 | 199 |
| 561 | Optics | 83 | 1.4K | 851 | 849 |
| 562 | technology transfer | 9 | 1.4K | 52 | 10 |
| 563 | Infertility | 26 | 1.4K | 224 | 218 |
| 564 | Human Rights | 106 | 1.4K | 5 | 14 |
| 565 | Plant Taxonomy | 49 | 1.4K | 25 | 29 |
| 566 | Law | 71 | 1.4K | 114 | 64 |
| 567 | Occupational Health | 73 | 1.4K | 56 | 100 |
| 568 | sexual behavior | 18 | 1.4K | 176 | 90 |
| 569 | city planning | 30 | 1.4K | 366 | 234 |
| 570 | Computer Science | 72 | 1.3K | 125 | 151 |
| 571 | Psychoneuroimmunology | 38 | 1.3K | 58 | 123 |
| 571 | Neuroimmunology | 38 | 1.3K | 73 | 141 |
| 573 | Photobiology | 35 | 1.3K | 152 | 118 |
| 574 | Thermodynamics | 42 | 1.3K | 139 | 61 |
| 574 | Thermochemistry | 42 | 1.3K | 52 | 40 |
| 576 | Bilingualism | 26 | 1.3K | 2 | 2 |
| 577 | Biogeochemical cycles | 8 | 1.3K | 211 | 143 |
| 578 | Crystal growth | 30 | 1.3K | 180 | 110 |
| 579 | Qualitative Research | 65 | 1.3K | 7 | 53 |
| 580 | Crystallography | 90 | 1.2K | 138 | 156 |
| 581 | Family | 64 | 1.2K | 100 | 160 |
| 582 | Geomorphology | 42 | 1.2K | 236 | 334 |
| 583 | Entrepreneurship | 19 | 1.2K | 221 | 297 |
| 584 | Decision making | 54 | 1.2K | 140 | 256 |
| 585 | violence | 55 | 1.2K | 98 | 178 |
| 586 | Hypertension in pregnancy | 28 | 1.2K | 9 | 9 |
| 587 | Adolescent Medicine | 19 | 1.2K | 141 | 178 |
| 587 | Middle East | 29 | 1.2K | 146 | 40 |
| 589 | Chemotherapy | 38 | 1.2K | 248 | 232 |
| 590 | Radiography | 26 | 1.2K | 173 | 226 |
| 591 | Globalization | 41 | 1.2K | 28 | 39 |
| 592 | Australia | 70 | 1.2K | 137 | 178 |
| 593 | Nanostructures | 23 | 1.2K | 566 | 490 |
| 594 | drug abuse | 77 | 1.2K | 29 | 51 |
| 595 | weather | 20 | 1.2K | 76 | 35 |
| 596 | Urology | 42 | 1.2K | 339 | 351 |
| 597 | adolescence | 36 | 1.2K | 168 | 207 |
| 598 | Transport | 21 | 1.2K | 118 | 80 |
| 599 | Kidney diseases | 42 | 1.2K | 113 | 139 |
| 600 | Bioinorganic chemistry | 32 | 1.2K | 352 | 249 |
| 601 | Statistical models | 29 | 1.2K | 8 | 4 |
| 602 | Jurisprudence | 62 | 1.2K | 65 | 92 |
| 603 | Social policy | 54 | 1.2K | 74 | 89 |
| 604 | Vocational guidance | 22 | 1.2K | 258 | 231 |
| 605 | Writing | 36 | 1.2K | 12 | 19 |
| 606 | Energy Conversion | 13 | 1.2K | 530 | 482 |
| 607 | Social Change | 30 | 1.2K | 107 | 230 |
| 608 | Antibodies | 44 | 1.2K | 40 | 73 |
| 609 | Cerebrospinal fluid | 20 | 1.1K | 8 | 9 |
| 610 | Journalism | 51 | 1.1K | 30 | 32 |
| 611 | Radioisotopes | 56 | 1.1K | 85 | 69 |
| 612 | Catalysts | 10 | 1.1K | 299 | 58 |
| 613 | Regional Economics | 13 | 1.1K | 123 | 28 |
| 614 | Inflammation | 27 | 1.1K | 202 | 237 |
| 615 | Semiconductors | 57 | 1.1K | 302 | 263 |
| 616 | complementary therapies | 16 | 1.1K | 488 | 178 |
| 617 | Cross-Cultural Studies | 36 | 1.1K | 36 | 45 |
| 618 | Transportation | 20 | 1.1K | 547 | 386 |
| 618 | Alternative Medicine | 15 | 1.1K | 474 | 165 |
| 620 | Personality Disorders | 53 | 1.1K | 14 | 39 |
| 621 | Hemophilia | 52 | 1.1K | 28 | 53 |
| 621 | DNA repair | 38 | 1.1K | 15 | 37 |
| 621 | Autoimmune diseases | 25 | 1.1K | 104 | 92 |
| 624 | Cosmology | 19 | 1.1K | 168 | 114 |
| 625 | sedimentary basins | 58 | 1.1K | 6 | 22 |
| 626 | Happiness | 23 | 1.1K | 27 | 26 |
| 627 | nuclear astrophysics | 13 | 1.1K | 183 | 92 |
| 628 | Intercultural Communication | 34 | 1.1K | 12 | 24 |
| 629 | Fishery resources | 24 | 1.1K | 99 | 67 |
| 630 | Clinical Biochemistry | 51 | 1.1K | 107 | 207 |
| 631 | Radiology | 39 | 1.1K | 236 | 171 |
| 632 | Gene expression regulation | 29 | 1.0K | 149 | 220 |
| 633 | Occupational Therapy | 48 | 1.0K | 125 | 82 |
| 633 | Human evolution | 20 | 1.0K | 107 | 99 |
| 633 | Antioxidants | 13 | 1.0K | 266 | 207 |
| 636 | Sedimentology | 36 | 1.0K | 48 | 105 |
| 637 | Clinical Immunology | 39 | 1.0K | 194 | 240 |
| 638 | Agricultural Chemistry | 17 | 1.0K | 817 | 548 |
| 639 | histological techniques | 23 | 1.0K | 129 | 156 |
| 640 | Behavioral Genetics | 24 | 1.0K | 35 | 40 |
| 641 | Oxidation | 22 | 1.0K | 20 | 14 |
| 642 | Bioenergetics | 12 | 1.0K | 363 | 205 |
| 643 | Nuclear Chemistry | 64 | 1.0K | 81 | 96 |
| 644 | Human-Computer Interaction | 32 | 1.0K | 234 | 256 |
| 644 | Bacterial infections | 13 | 1.0K | 257 | 263 |
| 646 | Audiology | 40 | 1.0K | 134 | 154 |
| 647 | Molecular Spectroscopy | 52 | 1.0K | 216 | 277 |
| 648 | Energy metabolism | 11 | 997 | 294 | 181 |
| 648 | cell membrane | 12 | 997 | 260 | 163 |
| 650 | Synaptic Transmission | 7 | 992 | 263 | 63 |
| 651 | Corporate governance | 26 | 989 | 25 | 48 |
| 652 | child behavior | 31 | 987 | 40 | 73 |
| 653 | Physical organic chemistry | 37 | 974 | 227 | 228 |
| 654 | Toxins | 23 | 973 | 126 | 95 |
| 655 | Welfare Economics | 21 | 970 | 88 | 65 |
| 656 | Learning disabilities | 73 | 967 | 65 | 151 |
| 657 | Sea | 20 | 964 | 103 | 66 |
| 658 | Small Business | 11 | 963 | 313 | 301 |
| 659 | Autoantibodies | 21 | 961 | 109 | 87 |
| 660 | Humanities | 55 | 957 | 73 | 78 |
| 660 | Personality Assessment | 46 | 957 | 43 | 140 |
| 660 | venom | 22 | 957 | 118 | 89 |
| 663 | drug control | 25 | 946 | 59 | 46 |
| 664 | Asia | 55 | 945 | 296 | 347 |
| 665 | Cultural Anthropology | 50 | 943 | 3 | 2 |
| 666 | Criminal psychology | 51 | 941 | 94 | 162 |
| 666 | Socioeconomic Factors | 24 | 941 | 133 | 104 |
| 668 | software | 42 | 937 | 58 | 160 |
| 669 | race relations | 42 | 935 | 37 | 62 |
| 670 | Ore deposits | 36 | 932 | 80 | 103 |
| 671 | Probability | 46 | 931 | 36 | 86 |
| 672 | Social History | 45 | 921 | 23 | 16 |
| 673 | Methodology | 11 | 919 | 125 | 23 |
| 674 | Renewable Energy Sources | 23 | 916 | 866 | 1202 |
| 674 | older people | 48 | 916 | 272 | 241 |
| 676 | mycoses | 35 | 910 | 73 | 270 |
| 677 | drug evaluation | 48 | 907 | 93 | 190 |
| 678 | Pharmacogenetics | 30 | 906 | 156 | 209 |
| 679 | Experimental Psychology | 22 | 902 | 166 | 165 |
| 680 | Multiphase Flow | 19 | 894 | 81 | 62 |
| 681 | Anxiety Disorders | 28 | 884 | 93 | 183 |
| 681 | Anxiety | 28 | 884 | 95 | 184 |
| 683 | Developmental Neurobiology | 19 | 879 | 84 | 47 |
| 683 | Steroids | 45 | 879 | 115 | 189 |
| 685 | Political Sociology | 16 | 877 | 137 | 79 |
| 686 | Mass Spectrometry | 38 | 870 | 206 | 255 |
| 686 | families | 40 | 870 | 125 | 141 |
| 688 | Water quality management | 31 | 863 | 362 | 319 |
| 689 | vitamin C | 11 | 858 | 94 | 45 |
| 689 | vitamin E | 11 | 858 | 94 | 45 |
| 691 | Ceramics | 25 | 857 | 377 | 295 |
| 692 | rare diseases | 35 | 856 | 69 | 119 |
| 693 | Telecommunication Systems | 37 | 853 | 250 | 215 |
| 694 | sustainability | 23 | 852 | 147 | 239 |
| 695 | Biopharmaceutics | 39 | 850 | 122 | 250 |
| 696 | Glass | 24 | 848 | 278 | 257 |
| 696 | pottery | 24 | 848 | 270 | 253 |
| 698 | Forest Ecology | 21 | 847 | 288 | 281 |
| 699 | Composite Materials | 31 | 845 | 820 | 1005 |
| 699 | Muscles | 21 | 845 | 209 | 219 |
| 701 | Sexual health | 24 | 842 | 137 | 122 |
| 702 | Intellectual disability | 62 | 839 | 74 | 186 |
| 703 | Histocompatibility Testing | 28 | 835 | 45 | 49 |
| 704 | finance | 12 | 829 | 1198 | 613 |
| 705 | Forest Management | 20 | 827 | 282 | 250 |
| 706 | biopolymers | 47 | 826 | 192 | 320 |
| 707 | biological monitoring | 33 | 822 | 21 | 51 |
| 708 | Soft Condensed Matter | 41 | 821 | 212 | 298 |
| 709 | Human biology | 26 | 817 | 98 | 71 |
| 710 | Surface-Active Agents | 27 | 811 | 164 | 247 |
| 710 | Surface properties | 27 | 811 | 186 | 276 |
| 712 | Forensic Psychiatry | 51 | 807 | 39 | 71 |
| 713 | scientific societies | 31 | 803 | 102 | 131 |
| 714 | Multimedia Systems | 33 | 802 | 347 | 297 |
| 714 | biological factors | 43 | 802 | 291 | 478 |
| 716 | Psychometrics | 33 | 798 | 68 | 131 |
| 717 | Sociolinguistics | 37 | 796 | 28 | 47 |
| 718 | Early Childhood Education | 40 | 794 | 51 | 63 |
| 719 | Oral Medicine | 38 | 792 | 52 | 42 |
| 720 | Drug design | 27 | 785 | 284 | 366 |
| 721 | food technology | 24 | 780 | 825 | 825 |
| 722 | Food Microbiology | 22 | 771 | 302 | 411 |
| 723 | Molecular Imaging | 27 | 765 | 134 | 187 |
| 724 | prostaglandins | 20 | 764 | 101 | 70 |
| 725 | Land Use Planning | 17 | 761 | 75 | 80 |
| 726 | Recombinant DNA | 32 | 758 | 273 | 355 |
| 727 | Higher Education | 22 | 756 | 111 | 71 |
| 728 | exobiology | 8 | 755 | 124 | 76 |
| 729 | Engineering Geology | 30 | 751 | 329 | 413 |
| 730 | Demographic research | 16 | 749 | 25 | 34 |
| 731 | Ceramic materials | 20 | 747 | 405 | 295 |
| 732 | Classical Philology | 121 | 745 | 3 | 2 |
| 733 | Dentistry | 21 | 744 | 183 | 109 |
| 734 | innovation | 23 | 743 | 76 | 278 |
| 735 | health services accessibility | 25 | 742 | 196 | 173 |
| 736 | Nutrigenomics | 22 | 739 | 4 | 12 |
| 737 | Climate | 13 | 738 | 161 | 112 |
| 738 | Hearing | 44 | 734 | 113 | 153 |
| 739 | corrections | 16 | 729 | 31 | 9 |
| 740 | Applied Linguistics | 58 | 728 | 23 | 79 |
| 741 | Crystallization | 27 | 727 | 60 | 51 |
| 742 | Soil Science | 20 | 726 | 628 | 611 |
| 743 | Differential Equations | 24 | 725 | 282 | 201 |
| 744 | Magnetic Resonance Spectroscopy | 33 | 724 | 273 | 274 |
| 745 | Knowledge | 41 | 722 | 50 | 63 |
| 746 | natural products | 22 | 721 | 531 | 398 |
| 747 | punishment | 14 | 720 | 9 | 5 |
| 748 | Global Health | 43 | 718 | 110 | 131 |
| 748 | Information Systems | 33 | 718 | 199 | 293 |
| 750 | Behavioral research | 33 | 717 | 15 | 29 |
| 751 | Multilingualism | 26 | 715 | 8 | 16 |
| 752 | Superconductors | 43 | 710 | 174 | 165 |
| 753 | Social interaction | 35 | 707 | 15 | 61 |
| 754 | Diplomatic relations | 38 | 705 | 86 | 31 |
| 755 | Insects | 14 | 701 | 572 | 321 |
| 756 | Optical materials | 29 | 696 | 834 | 1048 |
| 757 | Government policy | 11 | 695 | 41 | 29 |
| 758 | mass transfer | 15 | 694 | 761 | 606 |
| 759 | Juvenile delinquency | 32 | 693 | 43 | 49 |
| 760 | Career development | 7 | 692 | 204 | 24 |
| 761 | DNA methylation | 19 | 691 | 26 | 46 |
| 762 | Engineering Mathematics | 28 | 690 | 465 | 383 |
| 763 | Tissue Engineering | 7 | 688 | 156 | 64 |
| 763 | school-to-work transition | 17 | 688 | 4 | 3 |
| 765 | Youth | 31 | 687 | 107 | 214 |
| 766 | miniaturization | 17 | 686 | 686 | 757 |
| 767 | Sarcopenia | 13 | 685 | 78 | 108 |
| 767 | commerce | 18 | 685 | 451 | 461 |
| 767 | deviant behavior | 33 | 685 | 16 | 24 |
| 770 | Petroleum Engineering | 31 | 684 | 130 | 137 |
| 770 | Approximation Theory | 20 | 684 | 94 | 38 |
| 772 | Molecular cloning | 30 | 683 | 261 | 362 |
| 773 | curriculum evaluation | 32 | 681 | 25 | 40 |
| 774 | Tourism | 16 | 679 | 601 | 622 |
| 775 | Environmental Geology | 21 | 678 | 462 | 449 |
| 776 | International Finance | 10 | 674 | 935 | 490 |
| 777 | ethnicity | 38 | 673 | 56 | 51 |
| 778 | Orthopedic Surgery | 26 | 669 | 138 | 156 |
| 778 | Speech | 39 | 669 | 161 | 297 |
| 780 | Soil biology | 17 | 668 | 317 | 419 |
| 781 | Marine Geophysics | 13 | 665 | 54 | 18 |
| 782 | hygiene | 11 | 664 | 132 | 52 |
| 783 | Genetic recombination | 28 | 661 | 272 | 367 |
| 784 | Electrophysiology | 25 | 657 | 236 | 199 |
| 785 | Communication and Culture | 39 | 656 | 5 | 10 |
| 785 | Organometallic chemistry | 15 | 656 | 952 | 461 |
| 787 | Social welfare | 19 | 654 | 160 | 93 |
| 788 | Superconductivity | 36 | 650 | 54 | 70 |
| 789 | population geography | 14 | 644 | 82 | 56 |
| 790 | Hematopoietic stem cell transplantation | 14 | 642 | 90 | 94 |
| 791 | Cognitive Psychology | 37 | 641 | 11 | 36 |
| 791 | Cell division | 5 | 641 | 226 | 63 |
| 793 | Political Geography | 15 | 638 | 71 | 57 |
| 794 | Statistical Mechanics | 9 | 637 | 350 | 139 |
| 795 | Ethnic relations | 36 | 633 | 39 | 49 |
| 796 | Nutrition physiology | 16 | 632 | 202 | 202 |
| 797 | Psychiatric Nursing | 24 | 631 | 113 | 68 |
| 798 | educational innovations | 18 | 630 | 101 | 90 |
| 799 | Raman spectroscopy | 36 | 629 | 65 | 135 |
| 800 | nuclear magnetic resonance | 31 | 628 | 268 | 290 |
| 801 | Hydrodynamics | 21 | 626 | 150 | 178 |
| 801 | Porous materials | 17 | 626 | 145 | 78 |
| 803 | Cell communication | 19 | 625 | 77 | 147 |
| 804 | Business | 25 | 616 | 686 | 1010 |
| 805 | Land use | 13 | 615 | 422 | 303 |
| 806 | Analytical Toxicology | 25 | 611 | 15 | 17 |
| 807 | Amyloidosis | 18 | 610 | 23 | 23 |
| 808 | Vocational Education | 15 | 609 | 179 | 88 |
| 809 | Industrial Microbiology | 15 | 605 | 746 | 769 |
| 810 | Nephrology | 15 | 603 | 156 | 189 |
| 811 | Organometallic compounds | 24 | 602 | 390 | 410 |
| 811 | animals | 33 | 602 | 201 | 226 |
| 811 | Educational evaluation | 38 | 602 | 4 | 21 |
| 814 | Input-output analysis | 13 | 601 | 38 | 38 |
| 815 | industrial relations | 30 | 600 | 163 | 170 |
| 816 | Magnetohydrodynamics | 6 | 599 | 170 | 71 |
| 816 | Cell death | 22 | 599 | 352 | 567 |
| 818 | individual differences | 17 | 594 | 44 | 70 |
| 819 | ethnic groups | 19 | 593 | 53 | 44 |
| 820 | Respiratory system | 9 | 592 | 260 | 153 |
| 821 | Genetic disorders | 18 | 590 | 123 | 120 |
| 822 | family violence | 30 | 586 | 45 | 108 |
| 823 | Liposomes | 16 | 582 | 141 | 168 |
| 824 | psychopathology | 23 | 580 | 72 | 129 |
| 825 | Phonetics | 38 | 575 | 24 | 84 |
| 825 | Operations Research | 49 | 575 | 458 | 830 |
| 827 | Food preferences | 13 | 564 | 115 | 101 |
| 828 | Geometry | 42 | 562 | 191 | 160 |
| 829 | Pancreatic diseases | 27 | 559 | 41 | 69 |
| 830 | mathematical analysis | 45 | 555 | 677 | 706 |
| 831 | ethnobiology | 12 | 554 | 37 | 43 |
| 832 | mammals | 17 | 552 | 316 | 249 |
| 833 | Phytotherapy | 11 | 551 | 163 | 110 |
| 834 | fuel cells | 13 | 549 | 559 | 595 |
| 835 | Biomechanics | 18 | 547 | 425 | 458 |
| 836 | Nonverbal Communication | 19 | 546 | 20 | 51 |
| 836 | Fishery management | 19 | 546 | 200 | 178 |
| 836 | energy development | 7 | 546 | 432 | 341 |
| 839 | Radiochemistry | 45 | 543 | 115 | 154 |
| 839 | cell proliferation | 40 | 543 | 15 | 59 |
| 841 | rivers | 15 | 538 | 49 | 50 |
| 842 | Developmental Genetics | 7 | 537 | 280 | 284 |
| 842 | Plant Morphology | 23 | 537 | 88 | 97 |
| 844 | Music | 41 | 536 | 94 | 136 |
| 844 | Cell cycle | 39 | 536 | 15 | 57 |
| 846 | glycoproteins | 22 | 533 | 75 | 146 |
| 846 | Glycoconjugates | 22 | 533 | 75 | 146 |
| 846 | glycolipids | 22 | 533 | 75 | 146 |
| 846 | Oxidation-reduction | 11 | 533 | 343 | 453 |
| 850 | Gender Studies | 20 | 530 | 61 | 85 |
| 851 | sex crimes | 25 | 522 | 114 | 158 |
| 852 | solar cells | 20 | 521 | 188 | 350 |
| 852 | Administration | 13 | 521 | 2 | 2 |
| 854 | Microelectronics | 15 | 520 | 750 | 772 |
| 855 | Planetary Science | 34 | 519 | 77 | 116 |
| 856 | Ethnobotany | 9 | 518 | 33 | 43 |
| 856 | Traditional medicine | 9 | 518 | 36 | 44 |
| 856 | Ethnomedicine | 9 | 518 | 33 | 43 |
| 859 | Lipid bilayers | 12 | 514 | 169 | 169 |
| 860 | Social problems | 22 | 513 | 126 | 224 |
| 861 | Organic Geochemistry | 21 | 512 | 80 | 146 |
| 862 | Primates | 21 | 510 | 172 | 197 |
| 863 | Information Theory | 29 | 508 | 349 | 492 |
| 864 | industrial hygiene | 26 | 507 | 169 | 118 |
| 864 | civilization | 43 | 507 | 129 | 31 |
| 866 | women's rights | 17 | 506 | 16 | 12 |
| 867 | monoclonal antibodies | 13 | 505 | 44 | 28 |
| 868 | nuclear magnetic resonance spectroscopy | 10 | 503 | 372 | 181 |
| 868 | Landslides | 9 | 503 | 76 | 76 |
| 870 | Kinetics | 5 | 500 | 341 | 57 |
| 870 | Mass Media | 41 | 500 | 63 | 92 |
| 870 | Chemical kinetics | 5 | 500 | 582 | 54 |
| 870 | international trade | 16 | 500 | 159 | 182 |
| 874 | Microscopy | 30 | 498 | 248 | 369 |
| 875 | Nanoparticles | 15 | 496 | 787 | 763 |
| 876 | Ethnic Conflict | 28 | 495 | 18 | 54 |
| 876 | forced migration | 28 | 495 | 18 | 54 |
| 878 | breastfeeding | 16 | 492 | 100 | 82 |
| 879 | Library Science | 11 | 491 | 352 | 87 |
| 880 | atmosphere | 13 | 489 | 249 | 223 |
| 881 | mathematical concepts | 18 | 488 | 74 | 41 |
| 882 | Distance Education | 18 | 487 | 49 | 73 |
| 883 | Chemical analysis | 18 | 485 | 311 | 367 |
| 884 | calcification | 19 | 482 | 119 | 202 |
| 885 | mental processes | 31 | 481 | 32 | 64 |
| 885 | European Union | 21 | 481 | 17 | 33 |
| 887 | Developmental Immunology | 21 | 477 | 95 | 193 |
| 888 | Oxidative stress | 15 | 476 | 211 | 453 |
| 889 | Biomass Energy | 4 | 475 | 2031 | 1270 |
| 890 | refugees | 24 | 474 | 16 | 26 |
| 891 | Hydrometeorology | 10 | 473 | 77 | 109 |
| 892 | protein | 21 | 472 | 353 | 436 |
| 893 | Ecological Genetics | 25 | 469 | 72 | 93 |
| 894 | Public Relations | 16 | 467 | 92 | 95 |
| 895 | Computational Fluid Dynamics | 7 | 466 | 386 | 174 |
| 896 | Public opinion | 15 | 465 | 109 | 119 |
| 897 | civil rights | 28 | 464 | 24 | 42 |
| 897 | Mitochondria | 6 | 464 | 110 | 54 |
| 897 | Hippocampus | 11 | 464 | 96 | 140 |
| 900 | chronic disease | 10 | 459 | 122 | 91 |
| 901 | Groundwater | 10 | 458 | 231 | 165 |
| 902 | Electrical Engineering | 56 | 457 | 668 | 923 |
| 902 | social justice | 18 | 457 | 36 | 10 |
| 902 | Body Image | 15 | 457 | 42 | 73 |
| 905 | Adsorption | 1 | 456 | 449 | 27 |
| 905 | Multiple sclerosis | 25 | 456 | 88 | 84 |
| 907 | Housing | 9 | 455 | 209 | 141 |
| 908 | Nuclear Engineering | 51 | 454 | 255 | 368 |
| 908 | Industrial Safety | 24 | 454 | 239 | 350 |
| 910 | cultural pluralism | 21 | 452 | 26 | 38 |
| 911 | consumers | 5 | 451 | 251 | 107 |
| 912 | Enzyme inhibitors | 5 | 449 | 248 | 81 |
| 913 | Feminism | 61 | 448 | 10 | 120 |
| 913 | Elderly | 27 | 448 | 322 | 215 |
| 913 | Sites | 15 | 448 | 189 | 244 |
| 916 | men | 9 | 445 | 75 | 28 |
| 916 | masculinity | 9 | 445 | 6 | 9 |
| 918 | Health Services Administration | 23 | 442 | 199 | 281 |
| 919 | Eastern Europe | 41 | 440 | 49 | 74 |
| 920 | heredity | 14 | 438 | 207 | 164 |
| 921 | Venture Capital | 8 | 437 | 113 | 263 |
| 922 | Magnetic Resonance Imaging | 17 | 435 | 111 | 122 |
| 922 | Labor Economics | 19 | 435 | 88 | 155 |
| 922 | Carbohydrates | 16 | 435 | 95 | 154 |
| 922 | Familial diseases | 19 | 435 | 21 | 25 |
| 926 | Microcirculation | 20 | 434 | 76 | 132 |
| 927 | Electrochemical Analysis | 28 | 433 | 416 | 607 |
| 928 | Oligosaccharide | 15 | 431 | 63 | 123 |
| 929 | Soil Mechanics | 11 | 425 | 538 | 483 |
| 929 | Radio waves | 3 | 425 | 798 | 394 |
| 931 | Community Psychology | 15 | 423 | 174 | 245 |
| 931 | local government | 19 | 423 | 49 | 98 |
| 931 | gastrointestinal tract | 4 | 423 | 246 | 153 |
| 934 | Molecular Pharmacology | 13 | 421 | 281 | 387 |
| 934 | Microeconomics | 10 | 421 | 128 | 109 |
| 936 | Fluorescence | 4 | 419 | 376 | 26 |
| 937 | ethanol | 22 | 417 | 93 | 142 |
| 938 | Neurolinguistics | 15 | 416 | 123 | 205 |
| 938 | locomotion | 16 | 416 | 161 | 229 |
| 938 | posture | 16 | 416 | 161 | 229 |
| 938 | System analysis | 28 | 416 | 653 | 939 |
| 938 | gait | 16 | 416 | 161 | 229 |
| 938 | walking | 16 | 416 | 161 | 229 |
| 944 | solar power | 17 | 412 | 192 | 387 |
| 944 | Family Therapy | 28 | 412 | 148 | 218 |
| 944 | RNA | 13 | 412 | 177 | 239 |
| 947 | Critical Legal Studies | 14 | 410 | 14 | 5 |
| 948 | Reproductive toxicology | 12 | 408 | 104 | 125 |
| 949 | Hydraulic Engineering | 19 | 405 | 298 | 344 |
| 949 | Gastrointestinal diseases | 20 | 405 | 97 | 135 |
| 951 | terrorism | 21 | 402 | 27 | 33 |
| 952 | Long-Term Care | 10 | 398 | 217 | 236 |
| 952 | Long-term care facilities | 10 | 398 | 215 | 235 |
| 954 | Disability Studies | 34 | 392 | 5 | 22 |
| 954 | Nationalism | 21 | 392 | 33 | 27 |
| 956 | Magnetic Materials | 13 | 390 | 737 | 676 |
| 956 | motivation | 6 | 390 | 209 | 152 |
| 956 | Computational Complexity | 17 | 390 | 261 | 163 |
| 956 | Emotion | 6 | 390 | 116 | 106 |
| 960 | Development Economics | 11 | 389 | 112 | 118 |
| 960 | Fluid Dynamics | 14 | 389 | 451 | 437 |
| 962 | Health promotion | 20 | 388 | 309 | 371 |
| 963 | Discourse Analysis | 11 | 385 | 121 | 103 |
| 964 | Mathematical Economics | 7 | 384 | 163 | 154 |
| 964 | Eurasia | 12 | 384 | 40 | 23 |
| 966 | Medical Imaging | 15 | 382 | 87 | 92 |
| 967 | Cognitive Therapy | 13 | 379 | 225 | 244 |
| 968 | Soviet Union | 39 | 375 | 42 | 43 |
| 969 | body temperature | 14 | 374 | 93 | 93 |
| 970 | Industrial Engineering | 12 | 373 | 839 | 793 |
| 970 | libraries | 6 | 373 | 342 | 118 |
| 970 | Breeding | 12 | 373 | 519 | 505 |
| 973 | Mathematics Education | 8 | 371 | 234 | 92 |
| 974 | Parkinson's disease | 13 | 370 | 46 | 72 |
| 975 | Cybernetics | 22 | 369 | 476 | 758 |
| 976 | hospice care | 19 | 367 | 106 | 111 |
| 976 | Extracellular matrix | 9 | 367 | 87 | 145 |
| 976 | collagen | 9 | 367 | 93 | 150 |
| 979 | Cardiopulmonary Resuscitation | 39 | 366 | 4 | 5 |
| 979 | cardiac arrest | 39 | 366 | 4 | 5 |
| 979 | Consciousness | 10 | 366 | 193 | 173 |
| 982 | intergroup relations | 10 | 361 | 53 | 70 |
| 983 | History | 45 | 360 | 213 | 96 |
| 983 | Landscape Ecology | 9 | 360 | 190 | 212 |
| 985 | Inclusive Education | 13 | 358 | 24 | 34 |
| 985 | Integration | 13 | 358 | 23 | 34 |
| 987 | Stress | 8 | 357 | 90 | 65 |
| 987 | Eigenvalues | 46 | 357 | 8 | 5 |
| 989 | Environmental Psychology | 9 | 356 | 132 | 233 |
| 989 | Popular culture | 18 | 356 | 96 | 52 |
| 991 | Informatics | 15 | 352 | 253 | 347 |
| 992 | concrete | 7 | 351 | 602 | 606 |
| 992 | Cement | 7 | 351 | 341 | 415 |
| 994 | Micropaleontology | 18 | 349 | 7 | 7 |
| 995 | Exercise | 23 | 345 | 394 | 560 |
| 996 | Radiation Oncology | 14 | 344 | 92 | 111 |
| 997 | Educational Sociology | 10 | 342 | 118 | 83 |
| 997 | tests | 9 | 342 | 55 | 72 |
| 999 | Psychoanalysis | 24 | 341 | 61 | 52 |
| 999 | population trends | 7 | 341 | 23 | 59 |