| 1 | Physics | 4,373 | 373.4K | 62 | 67 |
| 2 | Biology | 3,491 | 315.3K | 72 | 81 |
| 3 | Science | 3,592 | 304.6K | 60 | 84 |
| 4 | Chemistry | 2,665 | 207.9K | 117 | 72 |
| 5 | Medicine | 2,160 | 188.2K | 153 | 87 |
| 6 | Natural history | 1,163 | 156.8K | 36 | 88 |
| 7 | Biochemistry | 2,512 | 139.4K | 131 | 107 |
| 8 | Epidemiology | 1,259 | 123.6K | 24 | 6 |
| 9 | Public Health | 1,361 | 107.8K | 51 | 26 |
| 10 | Human genetics | 245 | 93.9K | 124 | 71 |
| 11 | Neurology | 1,101 | 82.5K | 151 | 130 |
| 12 | Molecular Biology | 1,208 | 80.3K | 204 | 201 |
| 13 | Astronomy | 847 | 75.6K | 201 | 134 |
| 14 | Research | 1,415 | 66.2K | 162 | 118 |
| 15 | Ecology | 856 | 61.5K | 159 | 145 |
| 16 | Geology | 999 | 59.1K | 28 | 20 |
| 17 | Psychiatry | 737 | 56.8K | 106 | 74 |
| 18 | Psychology | 840 | 55.6K | 95 | 60 |
| 19 | Microbiology | 816 | 50.7K | 215 | 200 |
| 20 | Geochemistry | 700 | 48.0K | 17 | 15 |
| 21 | Genetics | 351 | 47.2K | 198 | 111 |
| 22 | Astrophysics | 408 | 45.2K | 415 | 290 |
| 23 | Botany | 726 | 44.7K | 83 | 64 |
| 24 | Mental Disorders | 558 | 41.9K | 55 | 41 |
| 25 | Neurophysiology | 491 | 41.2K | 100 | 82 |
| 26 | Nuclear Physics | 868 | 41.0K | 288 | 218 |
| 27 | Geophysics | 835 | 39.5K | 126 | 108 |
| 28 | United Kingdom | 671 | 38.9K | 7 | 3 |
| 29 | Materials | 727 | 38.0K | 245 | 215 |
| 30 | Composite Materials | 724 | 36.3K | 14 | 12 |
| 31 | Earth Sciences | 342 | 35.7K | 72 | 18 |
| 32 | Physiology | 698 | 35.5K | 94 | 83 |
| 33 | Chronic diseases | 117 | 33.6K | 33 | 14 |
| 34 | Animal Behavior | 554 | 33.4K | 10 | 10 |
| 35 | Statistics | 346 | 33.3K | 84 | 29 |
| 36 | Polymers | 755 | 33.0K | 120 | 82 |
| 37 | Colloids | 683 | 32.3K | 39 | 27 |
| 38 | Cytology | 476 | 31.9K | 224 | 278 |
| 39 | Meteorology | 425 | 29.5K | 89 | 72 |
| 40 | Cell Biology | 361 | 29.1K | 268 | 293 |
| 41 | Ethology | 458 | 27.9K | 6 | 9 |
| 42 | Diabetes | 294 | 27.7K | 76 | 52 |
| 43 | Diabetes mellitus | 288 | 27.6K | 62 | 49 |
| 44 | Biophysics | 617 | 27.5K | 242 | 153 |
| 45 | Environment | 334 | 26.7K | 248 | 221 |
| 46 | Medical genetics | 269 | 26.1K | 192 | 127 |
| 47 | Hydrology | 345 | 25.8K | 50 | 13 |
| 48 | polymerization | 559 | 25.4K | 124 | 75 |
| 49 | Endocrinology | 404 | 25.0K | 138 | 141 |
| 50 | Research Design | 144 | 24.9K | 37 | 15 |
| 51 | Meteorites | 286 | 24.8K | 28 | 21 |
| 52 | Mathematics | 1,037 | 24.7K | 134 | 69 |
| 53 | Surface Chemistry | 534 | 24.4K | 65 | 40 |
| 54 | Psychophysiology | 419 | 23.0K | 120 | 104 |
| 55 | Statistical physics | 550 | 22.2K | 119 | 83 |
| 56 | Condensed Matter | 609 | 22.2K | 208 | 211 |
| 57 | Pollution | 247 | 20.6K | 396 | 270 |
| 58 | Planets | 293 | 19.9K | 105 | 81 |
| 59 | Sociology | 431 | 19.3K | 56 | 45 |
| 60 | Econometrics | 96 | 19.2K | 93 | 24 |
| 61 | Biogeochemistry | 286 | 19.0K | 7 | 10 |
| 62 | Biometrics | 101 | 19.0K | 81 | 12 |
| 63 | Pediatrics | 274 | 18.8K | 168 | 129 |
| 64 | biological evolution | 223 | 18.1K | 81 | 92 |
| 65 | Solid State Physics | 516 | 18.0K | 266 | 239 |
| 66 | Diet | 253 | 17.9K | 71 | 54 |
| 67 | Pharmacology | 350 | 17.8K | 427 | 259 |
| 68 | Materials Science | 333 | 17.8K | 303 | 241 |
| 69 | Engineering | 439 | 17.5K | 63 | 27 |
| 70 | Evolution | 254 | 17.3K | 55 | 74 |
| 71 | Virology | 191 | 17.1K | 318 | 351 |
| 72 | Bacteriology | 275 | 16.9K | 58 | 79 |
| 73 | Spectrum analysis | 291 | 16.6K | 391 | 377 |
| 74 | Immunology | 352 | 16.5K | 282 | 364 |
| 75 | human behavior | 185 | 16.3K | 124 | 82 |
| 76 | Neurobiology | 141 | 16.3K | 143 | 71 |
| 77 | Manufacturing Processes | 320 | 16.2K | 38 | 16 |
| 78 | Economics | 599 | 15.9K | 79 | 129 |
| 79 | Mathematical Physics | 285 | 15.8K | 125 | 61 |
| 80 | Nutrition | 287 | 15.5K | 222 | 176 |
| 81 | Social Psychology | 168 | 15.4K | 148 | 87 |
| 82 | Nanotechnology | 372 | 15.2K | 320 | 406 |
| 83 | Brain | 296 | 15.1K | 126 | 130 |
| 84 | Climatology | 199 | 14.7K | 112 | 85 |
| 85 | Petrology | 186 | 14.7K | 30 | 17 |
| 86 | Geography | 341 | 14.7K | 52 | 35 |
| 87 | Mineralogy | 174 | 14.2K | 56 | 18 |
| 88 | Water | 179 | 14.1K | 125 | 91 |
| 89 | Technology | 234 | 14.1K | 219 | 75 |
| 90 | Cosmochemistry | 204 | 13.9K | 6 | 4 |
| 91 | Zoology | 357 | 13.9K | 52 | 24 |
| 92 | Medical Anthropology | 181 | 13.8K | 34 | 22 |
| 93 | Paleontology | 460 | 13.7K | 11 | 10 |
| 94 | Biocompatible Materials | 202 | 13.6K | 361 | 263 |
| 95 | Bioorganic chemistry | 198 | 13.6K | 123 | 50 |
| 96 | Cancer | 254 | 13.6K | 330 | 310 |
| 97 | Biodiversity conservation | 105 | 13.4K | 135 | 83 |
| 98 | Molecules | 194 | 13.2K | 35 | 11 |
| 99 | Environmental Health | 257 | 13.2K | 331 | 318 |
| 100 | Physical Chemistry | 169 | 13.2K | 114 | 56 |
| 101 | Organic Geochemistry | 178 | 13.2K | 4 | 1 |
| 102 | Nonlinear Dynamics | 329 | 12.9K | 46 | 43 |
| 103 | Metabolism | 254 | 12.6K | 197 | 228 |
| 104 | Biotechnology | 203 | 12.5K | 624 | 518 |
| 105 | water supply | 146 | 12.2K | 42 | 18 |
| 106 | Climate change | 69 | 12.2K | 105 | 66 |
| 106 | Eutrophication | 69 | 12.2K | 101 | 66 |
| 108 | Organic Chemistry | 163 | 12.2K | 285 | 90 |
| 109 | Neurochemistry | 228 | 12.1K | 122 | 107 |
| 110 | Cytogenetics | 83 | 11.9K | 184 | 101 |
| 111 | Health Policy | 379 | 11.8K | 35 | 45 |
| 112 | Social Sciences | 350 | 11.8K | 76 | 44 |
| 113 | Cardiovascular system | 97 | 11.6K | 223 | 149 |
| 114 | Behavior | 234 | 11.5K | 184 | 192 |
| 115 | Child psychology | 218 | 11.5K | 70 | 91 |
| 116 | Obesity | 208 | 11.5K | 87 | 71 |
| 117 | Molecular structure | 124 | 11.4K | 122 | 62 |
| 118 | Optics | 284 | 11.2K | 359 | 184 |
| 119 | Plants | 105 | 11.2K | 204 | 117 |
| 120 | Human Geography | 270 | 11.1K | 13 | 12 |
| 121 | Plant cells | 88 | 11.1K | 141 | 139 |
| 122 | Mental illness | 239 | 11.0K | 75 | 114 |
| 123 | alcoholism | 252 | 10.9K | 56 | 55 |
| 124 | Psychopharmacology | 157 | 10.9K | 112 | 85 |
| 125 | Clinical Psychology | 176 | 10.7K | 67 | 73 |
| 126 | Atmospheric Physics | 223 | 10.6K | 114 | 136 |
| 127 | Chemical Engineering | 86 | 10.5K | 989 | 367 |
| 128 | Parasitology | 233 | 10.4K | 85 | 44 |
| 129 | Hypertension | 122 | 10.4K | 177 | 149 |
| 130 | Memory | 186 | 10.3K | 115 | 79 |
| 131 | Cognitive neuroscience | 61 | 10.3K | 129 | 66 |
| 132 | nucleic acids | 124 | 10.3K | 153 | 189 |
| 133 | Hematology | 216 | 10.2K | 545 | 351 |
| 134 | drug addiction | 228 | 10.2K | 33 | 39 |
| 135 | Earthquake Engineering | 231 | 10.1K | 39 | 26 |
| 136 | heredity | 23 | 10.1K | 153 | 4 |
| 137 | United States | 205 | 10.1K | 444 | 293 |
| 138 | Cognitive Science | 81 | 10.0K | 97 | 40 |
| 139 | Genetic epidemiology | 19 | 10.0K | 93 | 3 |
| 140 | Education | 441 | 9.7K | 103 | 121 |
| 141 | Cell differentiation | 83 | 9.4K | 263 | 189 |
| 142 | transport vesicles | 2 | 9.3K | 373 | 211 |
| 143 | Pathology | 117 | 9.3K | 292 | 152 |
| 144 | Computational Biology | 145 | 9.2K | 167 | 191 |
| 145 | Biodiversity | 140 | 9.1K | 103 | 81 |
| 146 | Randomized Controlled Trials | 276 | 9.0K | 8 | 5 |
| 147 | Metabolic diseases | 139 | 8.8K | 270 | 280 |
| 148 | Cognition | 209 | 8.8K | 69 | 91 |
| 149 | Genomics | 157 | 8.6K | 236 | 164 |
| 150 | Perception | 266 | 8.6K | 73 | 81 |
| 151 | Animal ecology | 154 | 8.6K | 32 | 21 |
| 152 | genome | 84 | 8.6K | 158 | 160 |
| 153 | Parasitic Diseases | 200 | 8.5K | 61 | 67 |
| 154 | Atmospheric Chemistry | 159 | 8.5K | 85 | 120 |
| 155 | behavioral medicine | 54 | 8.4K | 172 | 45 |
| 156 | Photonics | 48 | 8.3K | 340 | 105 |
| 157 | Microbial Ecology | 117 | 8.2K | 210 | 243 |
| 158 | Light | 44 | 8.1K | 129 | 52 |
| 159 | Neuropsychology | 179 | 7.7K | 127 | 120 |
| 160 | Environmental monitoring | 107 | 7.7K | 395 | 221 |
| 161 | plant molecular biology | 64 | 7.5K | 267 | 186 |
| 162 | cell membrane | 94 | 7.3K | 35 | 16 |
| 163 | Child Development | 185 | 7.3K | 112 | 146 |
| 164 | Oceanography | 133 | 7.2K | 211 | 179 |
| 165 | Europe | 401 | 7.2K | 73 | 101 |
| 166 | Paleoecology | 156 | 7.2K | 19 | 17 |
| 167 | Physical fitness | 98 | 7.1K | 29 | 19 |
| 168 | city planning | 121 | 7.0K | 81 | 23 |
| 169 | Biogeochemical cycles | 53 | 7.0K | 34 | 20 |
| 170 | environmental pollution | 149 | 6.9K | 430 | 398 |
| 171 | Developmental Biology | 109 | 6.8K | 281 | 299 |
| 172 | Bioenergetics | 85 | 6.7K | 47 | 19 |
| 173 | Energy metabolism | 84 | 6.7K | 44 | 18 |
| 174 | Cell death | 19 | 6.7K | 535 | 168 |
| 175 | Analytical Chemistry | 160 | 6.6K | 544 | 433 |
| 176 | Health Services Research | 220 | 6.5K | 46 | 64 |
| 177 | Breeding | 55 | 6.4K | 192 | 53 |
| 178 | Histology | 133 | 6.4K | 97 | 98 |
| 179 | Structural dynamics | 149 | 6.3K | 32 | 39 |
| 180 | atmospheric models | 98 | 6.3K | 52 | 57 |
| 181 | Medical Microbiology | 123 | 6.3K | 214 | 261 |
| 182 | Plant physiology | 106 | 6.2K | 212 | 201 |
| 182 | cryosphere | 74 | 6.2K | 21 | 10 |
| 184 | Paleoclimatology | 144 | 6.2K | 24 | 33 |
| 185 | Ophthalmology | 135 | 6.1K | 163 | 144 |
| 186 | Molecular Genetics | 121 | 6.0K | 156 | 163 |
| 187 | radiocarbon dating | 7 | 6.0K | 29 | 21 |
| 188 | Environmental Policy | 130 | 6.0K | 211 | 277 |
| 189 | mammals | 89 | 6.0K | 55 | 8 |
| 190 | Immunity | 74 | 6.0K | 339 | 444 |
| 191 | Fluid Mechanics | 134 | 5.9K | 107 | 63 |
| 192 | preventive medicine | 65 | 5.8K | 182 | 89 |
| 193 | Paleogeography | 137 | 5.8K | 17 | 19 |
| 194 | Reproduction | 132 | 5.8K | 218 | 166 |
| 195 | Anatomy | 126 | 5.7K | 173 | 190 |
| 196 | Bioinformatics | 83 | 5.7K | 224 | 233 |
| 197 | Surgery | 258 | 5.7K | 86 | 406 |
| 198 | Regional Planning | 128 | 5.7K | 64 | 44 |
| 199 | vascular diseases | 80 | 5.6K | 34 | 31 |
| 200 | disease outbreaks | 84 | 5.6K | 18 | 15 |
| 201 | Epidemics | 83 | 5.5K | 18 | 15 |
| 202 | Pharmaceutical Chemistry | 128 | 5.5K | 516 | 453 |
| 203 | Spine | 32 | 5.5K | 167 | 33 |
| 204 | Aging | 170 | 5.4K | 245 | 273 |
| 205 | Electrochemistry | 216 | 5.4K | 364 | 375 |
| 206 | Health promotion | 101 | 5.4K | 124 | 95 |
| 207 | management | 138 | 5.4K | 337 | 424 |
| 208 | Soil Mechanics | 98 | 5.3K | 87 | 67 |
| 209 | Visual Perception | 119 | 5.3K | 164 | 108 |
| 210 | Archaeology | 134 | 5.2K | 84 | 55 |
| 211 | Cheminformatics | 8 | 5.2K | 140 | 12 |
| 212 | Artificial Intelligence | 178 | 5.2K | 233 | 257 |
| 213 | Critical Care | 58 | 5.2K | 308 | 257 |
| 214 | Critical Care Medicine | 57 | 5.2K | 314 | 255 |
| 215 | Catalysis | 125 | 5.1K | 630 | 636 |
| 216 | Nervous system | 139 | 5.1K | 213 | 346 |
| 217 | Attention | 114 | 5.1K | 186 | 122 |
| 218 | Volcanoes | 103 | 5.1K | 6 | 4 |
| 219 | Smart Materials | 107 | 5.1K | 28 | 21 |
| 220 | Genetic engineering | 80 | 5.1K | 197 | 141 |
| 221 | Economic History | 303 | 5.1K | 91 | 139 |
| 222 | Medical innovations | 32 | 5.1K | 163 | 104 |
| 223 | cell physiology | 47 | 5.0K | 301 | 193 |
| 224 | Public Policy | 186 | 5.0K | 43 | 62 |
| 225 | Plant genetic engineering | 34 | 5.0K | 173 | 45 |
| 226 | Parasites | 108 | 4.9K | 85 | 51 |
| 227 | Plant diseases | 141 | 4.9K | 173 | 129 |
| 228 | Plant Biotechnology | 26 | 4.8K | 170 | 16 |
| 229 | Political Science | 207 | 4.8K | 88 | 105 |
| 230 | Bioengineering | 84 | 4.8K | 744 | 753 |
| 231 | Obstetrics | 106 | 4.8K | 388 | 229 |
| 232 | Child | 160 | 4.7K | 182 | 173 |
| 233 | Business | 107 | 4.7K | 127 | 238 |
| 234 | Vision | 93 | 4.7K | 42 | 52 |
| 235 | Diagnostic microbiology | 43 | 4.7K | 258 | 188 |
| 236 | Biomedical Engineering | 142 | 4.6K | 538 | 533 |
| 237 | Engineering Geology | 102 | 4.6K | 97 | 83 |
| 238 | Agriculture | 93 | 4.6K | 215 | 143 |
| 239 | Food | 248 | 4.6K | 79 | 242 |
| 240 | Thrombosis | 64 | 4.6K | 130 | 58 |
| 241 | Nondestructive testing | 73 | 4.5K | 24 | 3 |
| 242 | Primary health care | 144 | 4.5K | 73 | 68 |
| 243 | Neurons | 35 | 4.4K | 172 | 277 |
| 244 | Molecular ecology | 75 | 4.4K | 108 | 139 |
| 245 | Optical materials | 65 | 4.4K | 486 | 343 |
| 246 | drug development | 19 | 4.4K | 308 | 117 |
| 247 | Soft Condensed Matter | 114 | 4.3K | 45 | 43 |
| 248 | Psycholinguistics | 96 | 4.3K | 71 | 82 |
| 249 | Adhesion | 44 | 4.2K | 21 | 2 |
| 249 | adhesives | 44 | 4.2K | 27 | 2 |
| 251 | Environmental Engineering | 91 | 4.2K | 475 | 502 |
| 252 | Speech Disorders | 60 | 4.2K | 178 | 64 |
| 253 | Electronics | 263 | 4.2K | 220 | 280 |
| 254 | biopolymers | 107 | 4.2K | 55 | 44 |
| 255 | Geomorphology | 77 | 4.2K | 104 | 72 |
| 255 | Membranes | 54 | 4.2K | 332 | 205 |
| 257 | Growth | 59 | 4.2K | 213 | 248 |
| 258 | Plant Ecology | 59 | 4.2K | 278 | 190 |
| 259 | Metallurgy | 100 | 4.1K | 338 | 264 |
| 260 | Physical organic chemistry | 86 | 4.1K | 64 | 21 |
| 261 | Mechanical Engineering | 185 | 4.1K | 108 | 84 |
| 262 | Population Genetics | 83 | 4.0K | 119 | 147 |
| 263 | drug therapy | 80 | 4.0K | 411 | 280 |
| 264 | Agricultural Ecology | 56 | 4.0K | 99 | 76 |
| 265 | vibration | 100 | 4.0K | 70 | 53 |
| 266 | Structural design | 79 | 4.0K | 29 | 20 |
| 267 | Geriatrics | 145 | 3.9K | 308 | 360 |
| 268 | Social behavior | 74 | 3.9K | 96 | 93 |
| 269 | Vaccines | 87 | 3.9K | 205 | 147 |
| 270 | Fracture mechanics | 105 | 3.9K | 93 | 62 |
| 271 | Biomechanics | 43 | 3.8K | 261 | 128 |
| 272 | Marine Biology | 86 | 3.8K | 465 | 355 |
| 273 | feeding behavior | 219 | 3.8K | 4 | 32 |
| 274 | Virulence | 45 | 3.8K | 217 | 199 |
| 275 | Soil dynamics | 63 | 3.8K | 21 | 7 |
| 276 | Appetite | 217 | 3.8K | 4 | 25 |
| 277 | Embryology | 67 | 3.7K | 287 | 320 |
| 278 | Ocean Engineering | 85 | 3.7K | 155 | 100 |
| 279 | arthritis | 80 | 3.7K | 174 | 222 |
| 280 | Sports Medicine | 61 | 3.6K | 518 | 277 |
| 281 | Toxicology | 83 | 3.6K | 968 | 815 |
| 282 | Mycology | 131 | 3.6K | 94 | 141 |
| 283 | Entomology | 154 | 3.5K | 178 | 171 |
| 284 | Community Psychiatry | 88 | 3.5K | 60 | 62 |
| 285 | Communication | 52 | 3.5K | 370 | 129 |
| 286 | Metals | 84 | 3.5K | 354 | 292 |
| 287 | Structural Engineering | 118 | 3.5K | 126 | 105 |
| 288 | Sustainable Development | 34 | 3.5K | 368 | 135 |
| 289 | Molecular evolution | 50 | 3.5K | 276 | 212 |
| 290 | Host-parasite interactions | 46 | 3.5K | 230 | 273 |
| 291 | environmental protection | 70 | 3.5K | 475 | 392 |
| 292 | Fungi | 119 | 3.4K | 41 | 100 |
| 293 | Biochemical Engineering | 36 | 3.4K | 985 | 820 |
| 294 | Wildlife conservation | 58 | 3.4K | 138 | 133 |
| 295 | Dynamics | 170 | 3.4K | 26 | 36 |
| 296 | Comparative Physiology | 88 | 3.4K | 47 | 34 |
| 297 | Sedimentology | 45 | 3.4K | 34 | 17 |
| 298 | Microscopy | 92 | 3.3K | 105 | 65 |
| 299 | Schizophrenia | 87 | 3.3K | 131 | 151 |
| 300 | Tropical Medicine | 55 | 3.3K | 233 | 72 |
| 301 | Social work | 138 | 3.3K | 92 | 68 |
| 302 | Ultrasonics | 55 | 3.3K | 70 | 41 |
| 303 | Sites | 51 | 3.3K | 51 | 37 |
| 304 | Ultrasound | 50 | 3.2K | 38 | 13 |
| 305 | Alzheimer's disease | 85 | 3.2K | 243 | 144 |
| 306 | Psychiatric Epidemiology | 80 | 3.2K | 12 | 17 |
| 307 | Molecular Microbiology | 41 | 3.2K | 165 | 177 |
| 307 | Bones | 85 | 3.2K | 59 | 86 |
| 309 | Nanostructured Materials | 99 | 3.2K | 509 | 558 |
| 310 | Geomagnetism | 78 | 3.2K | 69 | 43 |
| 311 | personality | 50 | 3.1K | 271 | 244 |
| 312 | Philosophy | 291 | 3.1K | 49 | 48 |
| 313 | Quality of life | 69 | 3.1K | 92 | 118 |
| 314 | Rheumatology | 71 | 3.1K | 139 | 186 |
| 315 | Information Science | 27 | 3.1K | 694 | 225 |
| 316 | economic policy | 100 | 3.1K | 193 | 124 |
| 317 | Paleoceanography | 45 | 3.1K | 15 | 19 |
| 318 | gene therapy | 38 | 3.1K | 212 | 131 |
| 319 | Food Microbiology | 49 | 3.0K | 171 | 133 |
| 320 | Machine Learning | 25 | 3.0K | 36 | 38 |
| 320 | Veterinary Immunology | 100 | 3.0K | 15 | 15 |
| 322 | natural disasters | 67 | 3.0K | 52 | 44 |
| 323 | Sports | 56 | 3.0K | 420 | 222 |
| 324 | Electrical Engineering | 327 | 3.0K | 147 | 133 |
| 325 | Oncogenes | 34 | 3.0K | 354 | 313 |
| 326 | Educational Psychology | 74 | 3.0K | 167 | 163 |
| 327 | Systems Engineering | 123 | 3.0K | 87 | 75 |
| 328 | soil microbiology | 80 | 3.0K | 159 | 274 |
| 329 | Developmental Psychology | 61 | 2.9K | 151 | 152 |
| 330 | rehabilitation | 64 | 2.9K | 339 | 260 |
| 331 | Developing countries | 95 | 2.9K | 184 | 211 |
| 332 | Quantum Gravity | 72 | 2.9K | 674 | 585 |
| 333 | Organometallic compounds | 72 | 2.9K | 85 | 74 |
| 334 | Economic Development | 66 | 2.9K | 171 | 192 |
| 334 | Chemical analysis | 44 | 2.9K | 144 | 30 |
| 336 | Therapeutics | 62 | 2.9K | 302 | 298 |
| 337 | Computer Science | 74 | 2.9K | 171 | 55 |
| 337 | mathematical analysis | 120 | 2.9K | 232 | 130 |
| 339 | Smoking | 80 | 2.9K | 75 | 77 |
| 340 | Genetic therapy | 34 | 2.9K | 292 | 155 |
| 341 | Adolescent | 107 | 2.8K | 207 | 223 |
| 342 | Learning | 75 | 2.8K | 139 | 185 |
| 343 | Health Information Management | 10 | 2.8K | 79 | 37 |
| 343 | child abuse | 72 | 2.8K | 57 | 73 |
| 345 | International Relations | 144 | 2.8K | 39 | 53 |
| 346 | Anthropology | 58 | 2.8K | 272 | 122 |
| 347 | Systems Biology | 77 | 2.8K | 98 | 78 |
| 348 | Hydraulic Engineering | 62 | 2.8K | 93 | 52 |
| 349 | Quantum theory | 107 | 2.7K | 23 | 35 |
| 350 | viruses | 39 | 2.7K | 452 | 394 |
| 351 | Information Technology | 30 | 2.7K | 593 | 131 |
| 352 | Signal Transduction | 42 | 2.7K | 217 | 205 |
| 353 | Robotics | 84 | 2.7K | 125 | 116 |
| 354 | Social policy | 108 | 2.6K | 18 | 23 |
| 355 | Respiration | 54 | 2.6K | 277 | 232 |
| 356 | Public Administration | 121 | 2.6K | 86 | 109 |
| 357 | Teaching | 66 | 2.6K | 204 | 140 |
| 358 | plant communities | 36 | 2.6K | 237 | 187 |
| 359 | Health | 80 | 2.6K | 284 | 277 |
| 360 | Health Education | 106 | 2.6K | 185 | 219 |
| 361 | Engineering Mathematics | 77 | 2.6K | 280 | 133 |
| 362 | health planning | 108 | 2.5K | 106 | 111 |
| 363 | Environmental Microbiology | 38 | 2.5K | 241 | 242 |
| 364 | Clinical Chemistry | 78 | 2.5K | 495 | 580 |
| 365 | Clinical Pharmacology | 46 | 2.5K | 257 | 119 |
| 366 | Palliative Care | 74 | 2.5K | 58 | 45 |
| 367 | Dementia | 78 | 2.5K | 247 | 156 |
| 368 | nanoscience | 75 | 2.5K | 505 | 725 |
| 369 | Conservation Biology | 45 | 2.5K | 162 | 160 |
| 370 | Oncology | 35 | 2.5K | 663 | 842 |
| 371 | Tourism | 30 | 2.4K | 366 | 226 |
| 372 | pain | 70 | 2.4K | 183 | 282 |
| 373 | Australia | 97 | 2.4K | 151 | 118 |
| 374 | Medical Laboratory Science | 57 | 2.4K | 257 | 270 |
| 375 | Immunogenetics | 53 | 2.4K | 51 | 45 |
| 376 | health services accessibility | 82 | 2.3K | 45 | 48 |
| 377 | Cardiovascular diseases | 59 | 2.3K | 294 | 192 |
| 378 | finance | 93 | 2.3K | 228 | 277 |
| 379 | Radiation | 37 | 2.3K | 526 | 195 |
| 380 | Environmental Law | 31 | 2.3K | 216 | 207 |
| 381 | Medical Oncology | 37 | 2.3K | 712 | 420 |
| 382 | Water pollution | 51 | 2.3K | 559 | 592 |
| 383 | social science | 16 | 2.3K | 22 | 5 |
| 384 | proteins | 58 | 2.2K | 380 | 348 |
| 385 | Data Mining | 62 | 2.2K | 77 | 201 |
| 386 | medical education | 127 | 2.2K | 166 | 240 |
| 387 | Hemodynamics | 36 | 2.2K | 114 | 115 |
| 388 | Methodology | 18 | 2.2K | 54 | 9 |
| 389 | infection | 54 | 2.2K | 275 | 291 |
| 390 | Carcinogenesis | 34 | 2.2K | 181 | 127 |
| 391 | miniaturization | 39 | 2.1K | 432 | 501 |
| 392 | Experimental Psychology | 33 | 2.1K | 90 | 75 |
| 392 | Bioethics | 71 | 2.1K | 61 | 28 |
| 394 | Industrial Engineering | 17 | 2.1K | 789 | 210 |
| 395 | Bifurcation Theory | 82 | 2.1K | 9 | 14 |
| 396 | Information Theory | 54 | 2.1K | 110 | 86 |
| 397 | Mental Health | 100 | 2.1K | 107 | 137 |
| 398 | carcinogens | 31 | 2.1K | 209 | 127 |
| 399 | Medical Ethics | 68 | 2.1K | 99 | 48 |
| 400 | Hormones | 56 | 2.1K | 176 | 212 |
| 401 | cell interaction | 30 | 2.1K | 219 | 87 |
| 402 | mutagens | 29 | 2.1K | 179 | 122 |
| 403 | Language Disorders | 50 | 2.1K | 147 | 85 |
| 404 | Electrochemical Analysis | 57 | 2.1K | 184 | 146 |
| 405 | Ethics | 69 | 2.1K | 60 | 31 |
| 406 | Environmental Management | 80 | 2.1K | 290 | 589 |
| 407 | Social welfare | 110 | 2.0K | 9 | 13 |
| 408 | Mass Spectrometry | 60 | 2.0K | 141 | 157 |
| 409 | Urology | 48 | 2.0K | 537 | 453 |
| 410 | Immunopathology | 82 | 2.0K | 138 | 226 |
| 411 | Algae | 50 | 2.0K | 83 | 84 |
| 412 | Computer Graphics | 70 | 2.0K | 186 | 218 |
| 413 | Neurosurgery | 66 | 2.0K | 105 | 160 |
| 414 | Sleep | 59 | 2.0K | 326 | 322 |
| 415 | Renewable Energy Sources | 35 | 2.0K | 550 | 731 |
| 416 | Sleep Disorders | 58 | 2.0K | 332 | 316 |
| 417 | Environmental Chemistry | 27 | 2.0K | 598 | 530 |
| 418 | ecosystem | 50 | 1.9K | 180 | 292 |
| 419 | computer networks | 89 | 1.9K | 188 | 231 |
| 420 | Welfare Economics | 45 | 1.9K | 22 | 30 |
| 420 | Mechanics | 55 | 1.9K | 136 | 85 |
| 422 | Biogeography | 37 | 1.9K | 171 | 243 |
| 423 | Seismology | 42 | 1.9K | 98 | 69 |
| 424 | disease vectors | 48 | 1.9K | 94 | 88 |
| 425 | Kidney diseases | 52 | 1.9K | 120 | 136 |
| 426 | organization | 47 | 1.9K | 84 | 200 |
| 427 | herbicides | 41 | 1.8K | 25 | 14 |
| 428 | Radio | 31 | 1.8K | 155 | 33 |
| 429 | Radiology | 38 | 1.8K | 396 | 136 |
| 430 | drugs | 41 | 1.8K | 495 | 323 |
| 431 | emergency management | 40 | 1.8K | 47 | 34 |
| 432 | Immune system | 25 | 1.8K | 324 | 510 |
| 433 | Intellectual disability | 69 | 1.8K | 74 | 96 |
| 434 | Control Theory | 59 | 1.8K | 263 | 191 |
| 435 | Nanostructures | 40 | 1.8K | 421 | 448 |
| 436 | Pregnancy | 40 | 1.8K | 107 | 61 |
| 437 | Immunotherapy | 21 | 1.8K | 740 | 547 |
| 438 | Production Management | 29 | 1.8K | 264 | 273 |
| 438 | fertility | 48 | 1.8K | 261 | 280 |
| 440 | Sound | 39 | 1.8K | 75 | 20 |
| 441 | Infections | 40 | 1.8K | 214 | 274 |
| 442 | protein | 43 | 1.8K | 222 | 245 |
| 443 | International Finance | 50 | 1.8K | 211 | 176 |
| 444 | Chemotherapy | 31 | 1.8K | 412 | 198 |
| 445 | Memory disorders | 22 | 1.8K | 17 | 5 |
| 446 | Substance Abuse | 72 | 1.7K | 208 | 229 |
| 447 | Soil Science | 47 | 1.7K | 358 | 363 |
| 448 | biological factors | 27 | 1.7K | 518 | 278 |
| 449 | Molecular cloning | 29 | 1.7K | 332 | 192 |
| 449 | Genetic recombination | 29 | 1.7K | 315 | 188 |
| 449 | Recombinant DNA | 29 | 1.7K | 376 | 210 |
| 452 | Adolescent Medicine | 18 | 1.7K | 216 | 173 |
| 453 | animals | 71 | 1.7K | 99 | 85 |
| 454 | Image Processing | 65 | 1.7K | 226 | 329 |
| 455 | Ferroelectricity | 29 | 1.7K | 206 | 40 |
| 456 | Microelectronics | 30 | 1.7K | 597 | 527 |
| 457 | Orthopedics | 41 | 1.7K | 439 | 333 |
| 458 | Neuropsychiatry | 37 | 1.7K | 149 | 120 |
| 459 | Autism | 48 | 1.6K | 99 | 133 |
| 460 | Stem cells | 35 | 1.6K | 454 | 425 |
| 461 | gene mapping | 32 | 1.6K | 589 | 599 |
| 462 | Radio frequency | 23 | 1.6K | 34 | 13 |
| 463 | risk factors | 40 | 1.6K | 90 | 89 |
| 464 | Human evolution | 26 | 1.6K | 99 | 81 |
| 465 | Developmental Disabilities | 36 | 1.6K | 218 | 231 |
| 466 | Nanoparticles | 49 | 1.6K | 290 | 353 |
| 467 | Ultrasonic Imaging | 31 | 1.6K | 52 | 17 |
| 468 | Transportation | 44 | 1.6K | 353 | 315 |
| 469 | Bone diseases | 19 | 1.6K | 86 | 94 |
| 470 | Social Change | 25 | 1.6K | 155 | 131 |
| 471 | Numerical Analysis | 75 | 1.6K | 283 | 282 |
| 472 | Volcanology | 30 | 1.6K | 2 | 1 |
| 473 | Cryptography | 30 | 1.6K | 65 | 20 |
| 474 | sanitation | 38 | 1.6K | 405 | 613 |
| 475 | Hydrodynamics | 20 | 1.6K | 161 | 68 |
| 476 | Nephrology | 32 | 1.6K | 122 | 129 |
| 477 | Linguistics | 52 | 1.6K | 267 | 181 |
| 478 | Soil biology | 40 | 1.6K | 188 | 295 |
| 479 | Neonatology | 43 | 1.5K | 47 | 39 |
| 480 | Natural resources | 19 | 1.5K | 218 | 115 |
| 481 | Speech | 27 | 1.5K | 224 | 142 |
| 482 | Geographic information systems | 61 | 1.5K | 56 | 46 |
| 483 | Animal breeding | 48 | 1.5K | 132 | 88 |
| 484 | Primates | 39 | 1.5K | 128 | 95 |
| 485 | Drug delivery systems | 18 | 1.5K | 549 | 327 |
| 486 | hazard mitigation | 32 | 1.5K | 87 | 61 |
| 486 | educational planning | 25 | 1.5K | 43 | 23 |
| 488 | Plasma devices | 7 | 1.5K | 217 | 51 |
| 489 | natural products | 24 | 1.5K | 539 | 254 |
| 490 | Animal genetics | 44 | 1.5K | 109 | 92 |
| 491 | Automation | 34 | 1.5K | 433 | 369 |
| 491 | human development | 42 | 1.5K | 107 | 140 |
| 493 | Solid State Chemistry | 61 | 1.5K | 470 | 437 |
| 494 | complementary therapies | 62 | 1.5K | 197 | 196 |
| 494 | Antigens | 48 | 1.5K | 98 | 128 |
| 496 | Alternative Medicine | 59 | 1.5K | 205 | 191 |
| 497 | Seaweed | 28 | 1.5K | 113 | 88 |
| 498 | Political Geography | 55 | 1.5K | 9 | 19 |
| 499 | Chromosome mapping | 27 | 1.5K | 594 | 514 |
| 500 | Osteoporosis | 18 | 1.5K | 49 | 18 |
| 501 | Sedimentary rocks | 25 | 1.4K | 81 | 46 |
| 502 | Infertility | 35 | 1.4K | 345 | 330 |
| 503 | drug control | 60 | 1.4K | 24 | 33 |
| 504 | Child welfare | 74 | 1.4K | 90 | 120 |
| 505 | Africa | 102 | 1.4K | 87 | 97 |
| 506 | global environmental change | 22 | 1.4K | 204 | 197 |
| 507 | Hearing | 30 | 1.4K | 176 | 100 |
| 508 | Energy Policy | 31 | 1.4K | 726 | 763 |
| 509 | Hydrogeology | 30 | 1.4K | 104 | 41 |
| 510 | Health insurance | 6 | 1.4K | 352 | 97 |
| 511 | Animal Nutrition | 40 | 1.4K | 99 | 64 |
| 512 | Feasibility studies | 72 | 1.4K | 4 | 8 |
| 513 | sustainability | 19 | 1.4K | 157 | 176 |
| 514 | Carbon | 37 | 1.4K | 250 | 381 |
| 515 | Glaciology | 45 | 1.4K | 21 | 25 |
| 515 | glaciers | 45 | 1.4K | 19 | 24 |
| 517 | Optical Communications | 53 | 1.4K | 41 | 35 |
| 518 | atmosphere | 43 | 1.4K | 85 | 96 |
| 519 | Disease | 4 | 1.4K | 305 | 352 |
| 520 | Rural Development | 30 | 1.3K | 46 | 40 |
| 521 | Autoimmunity | 33 | 1.3K | 127 | 181 |
| 522 | Pediatric Neurology | 18 | 1.3K | 497 | 550 |
| 523 | Quantum Communication | 17 | 1.3K | 28 | 16 |
| 524 | Ethnology | 50 | 1.3K | 198 | 107 |
| 525 | Liver diseases | 19 | 1.3K | 738 | 732 |
| 526 | Plastics | 28 | 1.3K | 430 | 220 |
| 527 | Water quality management | 26 | 1.3K | 480 | 218 |
| 528 | Molecular Pharmacology | 21 | 1.3K | 202 | 162 |
| 529 | diseases | 2 | 1.3K | 563 | 376 |
| 530 | Synthetic biology | 28 | 1.3K | 40 | 30 |
| 531 | industrial relations | 84 | 1.3K | 49 | 75 |
| 532 | Cerebral cortex | 41 | 1.3K | 159 | 300 |
| 533 | Adolescent Psychology | 59 | 1.3K | 73 | 167 |
| 534 | Solar System | 46 | 1.3K | 235 | 278 |
| 535 | Allergy | 19 | 1.3K | 600 | 662 |
| 536 | Birds | 50 | 1.3K | 236 | 181 |
| 537 | radiative transfer | 7 | 1.3K | 440 | 90 |
| 538 | Geriatric Psychiatry | 35 | 1.3K | 214 | 201 |
| 539 | History | 345 | 1.3K | 25 | 21 |
| 540 | sexual behavior | 14 | 1.3K | 239 | 99 |
| 541 | Liposomes | 26 | 1.3K | 58 | 89 |
| 541 | Lipid bilayers | 26 | 1.3K | 53 | 83 |
| 543 | Knowledge | 62 | 1.2K | 20 | 22 |
| 544 | civil service | 33 | 1.2K | 32 | 37 |
| 545 | Autoantibodies | 30 | 1.2K | 74 | 83 |
| 545 | Autoimmune diseases | 30 | 1.2K | 96 | 101 |
| 547 | Geodynamics | 27 | 1.2K | 245 | 231 |
| 547 | violence | 28 | 1.2K | 233 | 178 |
| 549 | Operations Research | 40 | 1.2K | 581 | 555 |
| 550 | Ornithology | 39 | 1.2K | 212 | 131 |
| 551 | probabilities | 102 | 1.2K | 104 | 141 |
| 552 | Energy Conversion | 14 | 1.2K | 602 | 575 |
| 553 | Process Control | 18 | 1.2K | 249 | 237 |
| 553 | Economic Assistance | 27 | 1.2K | 129 | 152 |
| 555 | Labor Economics | 17 | 1.2K | 120 | 60 |
| 556 | Asia | 58 | 1.2K | 358 | 287 |
| 557 | animal diseases | 28 | 1.2K | 96 | 49 |
| 558 | Drug design | 19 | 1.2K | 605 | 352 |
| 558 | Social problems | 16 | 1.2K | 182 | 109 |
| 560 | Land Use Planning | 34 | 1.2K | 27 | 43 |
| 560 | Signal Processing | 44 | 1.2K | 359 | 321 |
| 562 | Computer Vision | 36 | 1.2K | 205 | 347 |
| 563 | International Education | 35 | 1.2K | 8 | 8 |
| 563 | Molecular Spectroscopy | 49 | 1.2K | 256 | 264 |
| 565 | Aquaculture | 28 | 1.1K | 459 | 353 |
| 566 | Magnetic Resonance Spectroscopy | 34 | 1.1K | 310 | 251 |
| 567 | Medical Physics | 34 | 1.1K | 552 | 486 |
| 568 | psychotherapy | 36 | 1.1K | 345 | 414 |
| 569 | Proteomics | 13 | 1.1K | 536 | 295 |
| 570 | Intelligent Control Systems | 31 | 1.1K | 134 | 54 |
| 571 | Liquid Crystals | 50 | 1.1K | 128 | 55 |
| 572 | Genetic regulation | 24 | 1.1K | 360 | 492 |
| 573 | Transgenic plants | 7 | 1.1K | 288 | 70 |
| 573 | race relations | 94 | 1.1K | 12 | 46 |
| 575 | Population | 103 | 1.1K | 53 | 153 |
| 576 | System analysis | 68 | 1.1K | 300 | 469 |
| 577 | Human Rights | 51 | 1.1K | 23 | 27 |
| 578 | ethnicity | 65 | 1.1K | 28 | 26 |
| 579 | counseling | 39 | 1.1K | 291 | 287 |
| 580 | health behavior | 25 | 1.1K | 281 | 222 |
| 581 | Bacteria | 14 | 1.1K | 105 | 101 |
| 582 | Oxidative stress | 9 | 1.1K | 675 | 293 |
| 582 | Mental Health Services | 48 | 1.1K | 194 | 215 |
| 582 | Socialism | 37 | 1.1K | 10 | 3 |
| 585 | concrete | 23 | 1.1K | 289 | 329 |
| 586 | Morphology | 24 | 1.1K | 179 | 101 |
| 587 | Algebra | 86 | 1.1K | 145 | 117 |
| 588 | older people | 29 | 1.0K | 489 | 241 |
| 589 | Lipids | 25 | 1.0K | 387 | 433 |
| 590 | Gerontology | 46 | 1.0K | 444 | 431 |
| 591 | Health Services Administration | 16 | 1.0K | 389 | 206 |
| 592 | Plant breeding | 6 | 1.0K | 656 | 126 |
| 593 | Development | 29 | 1.0K | 153 | 208 |
| 594 | Educational Sociology | 41 | 1.0K | 17 | 9 |
| 595 | Biopharmaceutics | 21 | 1.0K | 330 | 235 |
| 596 | Thermodynamics | 74 | 1.0K | 66 | 96 |
| 597 | Phylogeny | 19 | 1.0K | 280 | 248 |
| 598 | Culture | 64 | 1.0K | 105 | 87 |
| 599 | Fluid Dynamics | 45 | 1.0K | 190 | 220 |
| 600 | Antibodies | 37 | 1.0K | 64 | 137 |
| 601 | Thermochemistry | 71 | 1.0K | 31 | 62 |
| 602 | Learning disabilities | 55 | 1.0K | 93 | 151 |
| 603 | Organizational Sociology | 34 | 1.0K | 20 | 23 |
| 604 | China | 58 | 998 | 517 | 581 |
| 605 | Cybernetics | 34 | 996 | 254 | 291 |
| 606 | Cell metabolism | 8 | 995 | 428 | 500 |
| 607 | Database Management | 12 | 993 | 398 | 191 |
| 608 | marketing | 33 | 992 | 490 | 612 |
| 609 | Women's health | 32 | 987 | 252 | 219 |
| 610 | Anxiety Disorders | 14 | 986 | 221 | 205 |
| 610 | Anxiety | 14 | 986 | 221 | 205 |
| 612 | Cellular senescence | 6 | 981 | 526 | 124 |
| 613 | Housing | 49 | 975 | 26 | 54 |
| 614 | Criminology | 62 | 973 | 123 | 182 |
| 614 | Aerosols | 40 | 973 | 100 | 123 |
| 616 | Elections | 63 | 970 | 11 | 34 |
| 617 | Homeostasis | 6 | 966 | 383 | 504 |
| 618 | Economic Geography | 49 | 957 | 17 | 32 |
| 619 | Comparative Education | 35 | 949 | 12 | 5 |
| 620 | energy resources | 12 | 933 | 673 | 590 |
| 621 | Environmental Geology | 19 | 931 | 493 | 302 |
| 622 | calcification | 24 | 926 | 105 | 138 |
| 623 | Information Systems | 39 | 925 | 176 | 263 |
| 624 | Ergonomics | 25 | 924 | 327 | 195 |
| 625 | Crystallography | 58 | 921 | 278 | 273 |
| 626 | Civil Engineering | 57 | 916 | 193 | 121 |
| 627 | Petroleum Geology | 25 | 907 | 128 | 126 |
| 628 | Medical Technology | 17 | 906 | 685 | 367 |
| 629 | Law | 126 | 905 | 83 | 108 |
| 630 | Telecommunication | 42 | 904 | 437 | 396 |
| 631 | Transplantation | 23 | 899 | 532 | 593 |
| 632 | Remote Sensing | 36 | 895 | 255 | 166 |
| 633 | Jurisprudence | 108 | 892 | 36 | 164 |
| 634 | enzymes | 31 | 891 | 366 | 465 |
| 635 | Demography | 22 | 890 | 171 | 158 |
| 636 | Plant hormones | 42 | 889 | 13 | 37 |
| 637 | nuclear magnetic resonance | 25 | 887 | 393 | 298 |
| 638 | Wireless Communication Systems | 54 | 885 | 274 | 349 |
| 639 | world | 13 | 882 | 307 | 264 |
| 640 | Astrocytes | 14 | 881 | 176 | 199 |
| 641 | mass transfer | 27 | 877 | 499 | 497 |
| 642 | children | 46 | 872 | 35 | 116 |
| 643 | Endocrine glands | 11 | 868 | 78 | 101 |
| 644 | Marine Geology | 24 | 859 | 142 | 129 |
| 645 | speech therapy | 25 | 857 | 89 | 61 |
| 645 | data collection | 33 | 857 | 102 | 370 |
| 647 | Environmental Toxicology | 19 | 854 | 982 | 998 |
| 648 | Patient education | 23 | 848 | 172 | 195 |
| 648 | Earthquakes | 28 | 848 | 84 | 60 |
| 650 | Human biology | 17 | 847 | 188 | 91 |
| 651 | Biomass Energy | 15 | 839 | 1238 | 1093 |
| 651 | Depression | 8 | 839 | 202 | 156 |
| 653 | Coding Theory | 12 | 836 | 127 | 12 |
| 653 | Nonlinear systems | 14 | 836 | 213 | 76 |
| 655 | adolescence | 20 | 834 | 291 | 292 |
| 655 | disarmament | 22 | 834 | 19 | 14 |
| 657 | Rock Mechanics | 27 | 831 | 241 | 252 |
| 658 | Bioinorganic chemistry | 29 | 824 | 403 | 360 |
| 659 | energy conservation | 20 | 823 | 600 | 725 |
| 659 | Microcirculation | 18 | 823 | 98 | 68 |
| 661 | Leukemia | 6 | 822 | 1209 | 631 |
| 662 | Applied Sciences | 3 | 817 | 14 | 10 |
| 662 | Applied Mechanics | 3 | 817 | 14 | 10 |
| 664 | Industrial Microbiology | 17 | 810 | 808 | 768 |
| 664 | Paleobiology | 30 | 810 | 37 | 14 |
| 666 | Animal welfare | 18 | 803 | 60 | 32 |
| 667 | Eating Disorders | 31 | 798 | 207 | 274 |
| 667 | cloning | 13 | 798 | 286 | 349 |
| 669 | Decision making | 25 | 796 | 386 | 408 |
| 670 | Communication Disorders | 21 | 793 | 47 | 31 |
| 670 | commerce | 35 | 793 | 279 | 450 |
| 672 | Number Theory | 106 | 792 | 17 | 28 |
| 673 | Bacterial infections | 13 | 790 | 386 | 455 |
| 674 | Semiconductors | 56 | 787 | 327 | 445 |
| 675 | Radiobiology | 18 | 785 | 977 | 680 |
| 676 | freshwater biology | 21 | 784 | 256 | 242 |
| 677 | Pharmacogenetics | 19 | 783 | 384 | 401 |
| 678 | Human-Computer Interaction | 48 | 782 | 139 | 296 |
| 679 | collagen | 13 | 781 | 87 | 100 |
| 680 | Antibacterial agents | 14 | 777 | 221 | 161 |
| 681 | Feminist theory | 27 | 773 | 8 | 9 |
| 682 | Neural circuitry | 34 | 772 | 402 | 619 |
| 683 | Microorganisms | 7 | 771 | 921 | 599 |
| 684 | Environmental pollutants | 21 | 770 | 834 | 839 |
| 685 | Psychoneuroimmunology | 27 | 759 | 143 | 247 |
| 685 | Neuroimmunology | 27 | 759 | 161 | 273 |
| 687 | polar regions | 23 | 757 | 175 | 147 |
| 688 | food technology | 45 | 753 | 548 | 966 |
| 689 | Evolutionary Genetics | 18 | 747 | 117 | 92 |
| 689 | Molecular Epidemiology | 18 | 747 | 117 | 92 |
| 691 | Cerebellum | 14 | 743 | 73 | 71 |
| 691 | Cerebellar ataxia | 14 | 743 | 73 | 71 |
| 693 | cosmic rays | 26 | 740 | 96 | 59 |
| 694 | fuel cells | 15 | 738 | 586 | 618 |
| 695 | women | 32 | 732 | 95 | 54 |
| 696 | Feeding and Eating Disorders | 30 | 731 | 196 | 285 |
| 697 | breastfeeding | 19 | 730 | 113 | 66 |
| 698 | Quality Control | 23 | 729 | 454 | 431 |
| 699 | free radicals | 18 | 728 | 638 | 755 |
| 700 | Europa | 24 | 727 | 87 | 82 |
| 701 | Microeconomics | 13 | 723 | 103 | 86 |
| 702 | Organometallic chemistry | 29 | 722 | 517 | 385 |
| 702 | biomimicry | 15 | 722 | 19 | 17 |
| 704 | Technological Innovations | 22 | 719 | 174 | 183 |
| 705 | Production Planning | 7 | 717 | 116 | 40 |
| 705 | Production Control | 7 | 717 | 113 | 40 |
| 707 | Biosensors | 13 | 711 | 589 | 635 |
| 708 | River Engineering | 24 | 706 | 6 | 2 |
| 708 | Hippocampus | 21 | 706 | 51 | 131 |
| 710 | Behavioral Genetics | 16 | 702 | 71 | 72 |
| 711 | family violence | 18 | 701 | 104 | 91 |
| 712 | Industrial Sociology | 50 | 699 | 9 | 27 |
| 713 | Wildlife management | 30 | 696 | 140 | 126 |
| 714 | Green Chemistry | 21 | 694 | 670 | 891 |
| 715 | Combustion | 23 | 692 | 423 | 423 |
| 715 | Insects | 27 | 692 | 446 | 411 |
| 717 | Sociolinguistics | 38 | 691 | 35 | 63 |
| 717 | Proteome | 14 | 691 | 582 | 584 |
| 719 | Physical Geography | 20 | 680 | 111 | 87 |
| 719 | Educational Technology | 49 | 680 | 156 | 342 |
| 721 | Retina | 8 | 677 | 66 | 168 |
| 722 | eye | 7 | 673 | 99 | 171 |
| 723 | Psychosomatic Medicine | 27 | 672 | 222 | 366 |
| 724 | Suicide | 31 | 671 | 69 | 127 |
| 725 | pollutants | 14 | 668 | 913 | 794 |
| 725 | Family | 59 | 668 | 113 | 261 |
| 727 | mycoses | 9 | 663 | 514 | 513 |
| 728 | X-rays | 19 | 661 | 167 | 79 |
| 729 | Ceramic materials | 21 | 655 | 413 | 359 |
| 730 | Production Engineering | 64 | 651 | 243 | 483 |
| 731 | Extracellular matrix | 12 | 646 | 88 | 117 |
| 731 | Business Ethics | 16 | 646 | 317 | 488 |
| 733 | Game Theory | 14 | 645 | 214 | 113 |
| 733 | Common Law | 97 | 645 | 4 | 8 |
| 735 | Photochemistry | 27 | 641 | 462 | 582 |
| 735 | psychopathology | 36 | 641 | 35 | 139 |
| 737 | Quantum Optics | 26 | 638 | 210 | 210 |
| 738 | Development Economics | 5 | 637 | 343 | 102 |
| 739 | Informatics | 29 | 636 | 116 | 273 |
| 740 | Language Acquisition | 16 | 635 | 116 | 99 |
| 740 | Minerals | 19 | 635 | 152 | 132 |
| 742 | environmental indicators | 12 | 633 | 478 | 376 |
| 742 | Fuzzy systems | 32 | 633 | 261 | 231 |
| 744 | peace | 18 | 630 | 141 | 150 |
| 745 | Histochemistry | 19 | 627 | 389 | 309 |
| 745 | occupational diseases | 25 | 627 | 230 | 328 |
| 747 | language | 23 | 624 | 214 | 245 |
| 748 | Wind power | 12 | 622 | 81 | 41 |
| 749 | Gene expression regulation | 23 | 620 | 276 | 523 |
| 749 | Gender identity | 23 | 620 | 19 | 8 |
| 751 | Surface properties | 11 | 618 | 514 | 385 |
| 752 | Nationalism | 33 | 616 | 16 | 11 |
| 753 | Bioelectronics | 11 | 615 | 545 | 628 |
| 754 | actuators | 20 | 613 | 871 | 986 |
| 754 | transducers | 20 | 613 | 871 | 986 |
| 756 | Comparative Psychology | 7 | 610 | 57 | 49 |
| 757 | data protection | 18 | 609 | 69 | 54 |
| 758 | brain mapping | 10 | 608 | 394 | 383 |
| 759 | Relationships | 7 | 607 | 74 | 35 |
| 760 | nuclear magnetic resonance spectroscopy | 19 | 601 | 236 | 185 |
| 761 | crime | 46 | 598 | 88 | 170 |
| 762 | Nonlinear mechanics | 12 | 590 | 124 | 53 |
| 763 | Higher Education | 22 | 588 | 107 | 102 |
| 763 | Phonetics | 9 | 588 | 142 | 68 |
| 765 | Surface-Active Agents | 10 | 584 | 512 | 366 |
| 766 | Atomic spectroscopy | 24 | 583 | 340 | 338 |
| 767 | Global Health | 37 | 579 | 158 | 208 |
| 768 | Post-traumatic stress disorder | 24 | 570 | 208 | 310 |
| 769 | Ethnic relations | 54 | 567 | 15 | 58 |
| 770 | Nursing | 11 | 565 | 1098 | 454 |
| 771 | Political Participation | 27 | 564 | 33 | 64 |
| 772 | Tribology | 16 | 563 | 499 | 367 |
| 773 | Telecommunication Systems | 47 | 562 | 176 | 348 |
| 774 | Dietetics | 25 | 560 | 242 | 228 |
| 775 | Geotechnical Engineering | 24 | 557 | 113 | 131 |
| 775 | Audiology | 36 | 557 | 181 | 300 |
| 777 | ethanol | 19 | 552 | 122 | 134 |
| 778 | sex crimes | 15 | 551 | 216 | 141 |
| 779 | health services | 25 | 550 | 283 | 314 |
| 780 | Thorax | 13 | 547 | 212 | 221 |
| 781 | nursing ethics | 7 | 544 | 105 | 28 |
| 782 | Investment analysis | 11 | 543 | 276 | 179 |
| 783 | Geobiology | 16 | 539 | 154 | 154 |
| 784 | cell movement | 12 | 538 | 67 | 75 |
| 785 | clay | 9 | 537 | 393 | 279 |
| 786 | Feminism | 43 | 535 | 35 | 93 |
| 787 | Personality Disorders | 7 | 534 | 167 | 101 |
| 788 | Forest Ecology | 15 | 532 | 478 | 510 |
| 789 | exobiology | 10 | 531 | 131 | 145 |
| 789 | bats | 27 | 531 | 6 | 5 |
| 791 | Yeast | 5 | 530 | 370 | 164 |
| 792 | Social perception | 6 | 528 | 61 | 41 |
| 793 | Emotions | 21 | 526 | 151 | 288 |
| 794 | Political Sociology | 21 | 523 | 90 | 113 |
| 795 | Ethnic Conflict | 47 | 514 | 8 | 48 |
| 795 | X-ray crystallography | 21 | 514 | 173 | 134 |
| 795 | forced migration | 47 | 514 | 8 | 48 |
| 795 | cultural pluralism | 17 | 514 | 45 | 32 |
| 799 | European integration | 31 | 511 | 20 | 61 |
| 799 | European Economic Community | 31 | 511 | 20 | 61 |
| 801 | Laser Spectroscopy | 20 | 509 | 238 | 225 |
| 802 | population geography | 20 | 506 | 53 | 72 |
| 803 | election law | 24 | 505 | 28 | 58 |
| 804 | rare diseases | 7 | 503 | 479 | 278 |
| 805 | Building Materials | 26 | 502 | 507 | 954 |
| 806 | Cement | 6 | 499 | 457 | 372 |
| 807 | Community Psychology | 12 | 496 | 245 | 270 |
| 808 | structural stability | 27 | 495 | 64 | 128 |
| 808 | Voting | 24 | 495 | 26 | 59 |
| 810 | Genetic translocation | 12 | 494 | 30 | 38 |
| 810 | plasmids | 12 | 494 | 30 | 38 |
| 812 | lasers | 19 | 492 | 716 | 488 |
| 813 | Microwaves | 61 | 491 | 122 | 179 |
| 814 | Functional Analysis | 45 | 490 | 207 | 380 |
| 815 | Multilingualism | 12 | 489 | 62 | 31 |
| 815 | Evolutionary Computation | 4 | 489 | 313 | 130 |
| 817 | administrative agencies | 11 | 487 | 114 | 59 |
| 818 | Public opinion | 23 | 485 | 60 | 112 |
| 819 | plasticity | 7 | 483 | 194 | 185 |
| 820 | Radio wave propagation | 31 | 482 | 124 | 134 |
| 820 | Elderly | 17 | 482 | 562 | 223 |
| 822 | labor | 13 | 479 | 83 | 80 |
| 822 | working class | 13 | 479 | 45 | 78 |
| 824 | Analytical Biochemistry | 19 | 478 | 625 | 765 |
| 825 | Clinical Trials | 15 | 477 | 214 | 170 |
| 826 | Mathematics Education | 24 | 475 | 69 | 65 |
| 826 | Fisheries | 22 | 475 | 662 | 795 |
| 828 | Hydrometeorology | 8 | 474 | 132 | 154 |
| 828 | ethnic groups | 29 | 474 | 23 | 57 |
| 830 | Marine Pollution | 8 | 473 | 797 | 630 |
| 831 | Simulation Methods | 10 | 471 | 457 | 152 |
| 832 | Functional Genomics | 11 | 470 | 108 | 138 |
| 832 | Globalization | 28 | 470 | 51 | 122 |
| 834 | Genetic algorithms | 3 | 469 | 209 | 81 |
| 835 | Rheology | 18 | 467 | 181 | 205 |
| 836 | Emergency Medicine | 26 | 466 | 568 | 612 |
| 836 | Computer-Aided Design | 30 | 466 | 215 | 400 |
| 836 | Vaccination | 6 | 466 | 141 | 56 |
| 839 | biological monitoring | 9 | 461 | 221 | 139 |
| 840 | Logistics | 7 | 460 | 292 | 196 |
| 841 | Sustainable Engineering | 16 | 458 | 687 | 874 |
| 841 | impact | 8 | 458 | 193 | 145 |
| 843 | Adoption | 42 | 457 | 2 | 3 |
| 843 | Paleopathology | 8 | 457 | 167 | 42 |
| 843 | biological invasions | 12 | 457 | 239 | 226 |
| 846 | Agricultural Engineering | 7 | 456 | 306 | 129 |
| 846 | Emergency Medical Services | 24 | 456 | 160 | 169 |
| 846 | Diplomatic relations | 65 | 456 | 57 | 55 |
| 849 | Political Parties | 24 | 454 | 21 | 43 |
| 849 | particles | 10 | 454 | 445 | 229 |
| 851 | Special Education | 23 | 451 | 210 | 207 |
| 851 | reasoning | 20 | 451 | 38 | 72 |
| 853 | Land use | 24 | 450 | 250 | 464 |
| 854 | Geriatric Pharmacology | 8 | 449 | 162 | 73 |
| 855 | Mobile Computing | 23 | 448 | 221 | 266 |
| 856 | Travel | 24 | 446 | 170 | 192 |
| 856 | international trade | 13 | 446 | 212 | 209 |
| 858 | Marine resources | 5 | 440 | 553 | 199 |
| 859 | Coastal zone management | 4 | 437 | 663 | 208 |
| 860 | Chemical Ecology | 13 | 436 | 212 | 246 |
| 861 | Mining Engineering | 3 | 435 | 655 | 203 |
| 862 | Chemical Oceanography | 10 | 434 | 152 | 196 |
| 863 | Pediatric Rheumatology | 14 | 432 | 69 | 33 |
| 863 | pain management | 32 | 432 | 92 | 230 |
| 865 | remote sensing technology | 15 | 430 | 2 | 10 |
| 866 | Forest Management | 12 | 428 | 530 | 541 |
| 867 | Cytoskeleton | 10 | 425 | 113 | 103 |
| 868 | epidemiologic methods | 7 | 421 | 58 | 16 |
| 869 | pheromones | 12 | 419 | 201 | 243 |
| 870 | Bilingualism | 7 | 416 | 110 | 76 |
| 871 | Water Microbiology | 12 | 415 | 109 | 121 |
| 872 | Protozoa | 8 | 414 | 232 | 196 |
| 872 | curriculum evaluation | 18 | 414 | 63 | 73 |
| 874 | Humanities | 30 | 412 | 315 | 272 |
| 875 | Stochastic Processes | 14 | 410 | 347 | 208 |
| 876 | Criminal psychology | 21 | 409 | 247 | 320 |
| 876 | Superconductors | 22 | 409 | 197 | 205 |
| 878 | Pesticides | 15 | 408 | 186 | 166 |
| 879 | Steroids | 6 | 407 | 874 | 514 |
| 880 | Psychometrics | 12 | 406 | 204 | 223 |
| 881 | Granular materials | 9 | 402 | 231 | 142 |
| 882 | synthesis | 13 | 401 | 434 | 192 |
| 883 | Neurolinguistics | 7 | 400 | 278 | 219 |
| 883 | Socioeconomic Factors | 21 | 400 | 183 | 295 |
| 885 | gene transfer | 7 | 398 | 125 | 67 |
| 885 | genetic transformation | 7 | 398 | 125 | 67 |
| 887 | Continental shelf | 5 | 396 | 337 | 194 |
| 888 | Thin Films | 4 | 394 | 575 | 115 |
| 889 | Power Electronics | 22 | 393 | 157 | 190 |
| 889 | national security | 12 | 393 | 122 | 55 |
| 891 | Communication in medicine | 10 | 392 | 273 | 209 |
| 892 | Quantum Chemistry | 18 | 391 | 295 | 238 |
| 893 | Geodesy | 10 | 389 | 333 | 221 |
| 894 | Drug discovery | 5 | 387 | 199 | 84 |
| 895 | Inflammation | 11 | 386 | 693 | 780 |
| 896 | Neuropharmacology | 7 | 385 | 376 | 269 |
| 896 | Qualitative Research | 27 | 385 | 71 | 171 |
| 896 | blood transfusion | 16 | 385 | 356 | 341 |
| 899 | Medical Imaging | 19 | 382 | 118 | 154 |
| 899 | Magnetic Resonance Imaging | 19 | 382 | 165 | 218 |
| 899 | chromatin | 2 | 382 | 234 | 64 |
| 902 | brewing | 15 | 381 | 73 | 55 |
| 903 | Fermentation | 14 | 378 | 96 | 71 |
| 904 | men | 5 | 375 | 175 | 42 |
| 904 | masculinity | 5 | 375 | 31 | 15 |
| 906 | Multimedia Systems | 15 | 372 | 656 | 455 |
| 907 | local government | 31 | 371 | 25 | 107 |
| 908 | disabilities | 10 | 370 | 379 | 269 |
| 909 | Materials Engineering | 22 | 369 | 102 | 99 |
| 909 | elder abuse | 8 | 369 | 166 | 110 |
| 911 | Urban Geography | 26 | 368 | 24 | 59 |
| 911 | Biomass | 6 | 368 | 419 | 382 |
| 913 | Solar Energy | 5 | 367 | 1570 | 1019 |
| 914 | Crystal growth | 15 | 364 | 414 | 466 |
| 915 | Nutrition physiology | 18 | 363 | 206 | 417 |
| 916 | Pharmaceutical Technology | 10 | 361 | 949 | 846 |
| 917 | Crisis Intervention | 18 | 360 | 18 | 47 |
| 918 | Oxidation-reduction | 11 | 358 | 409 | 750 |
| 919 | Multicultural Education | 13 | 355 | 107 | 75 |
| 919 | Antioxidants | 9 | 355 | 444 | 650 |
| 919 | Superconductivity | 17 | 355 | 175 | 175 |
| 922 | Social History | 35 | 351 | 55 | 76 |
| 923 | Andrology | 6 | 350 | 550 | 287 |
| 924 | extraterrestrial environment | 14 | 349 | 229 | 178 |
| 924 | astronomical phenomena | 14 | 349 | 213 | 162 |
| 926 | Logic | 29 | 348 | 69 | 92 |
| 926 | Applied Linguistics | 15 | 348 | 172 | 162 |
| 928 | government | 14 | 347 | 291 | 250 |
| 928 | drug abuse | 17 | 347 | 232 | 261 |
| 930 | visualization | 50 | 346 | 230 | 324 |
| 931 | Computational Chemistry | 11 | 344 | 317 | 389 |
| 932 | Biomolecules | 7 | 342 | 257 | 292 |
| 933 | economic conditions | 10 | 341 | 303 | 266 |
| 934 | Social Ethics | 10 | 339 | 50 | 9 |
| 935 | Eastern Europe | 30 | 337 | 119 | 145 |
| 936 | Ecosystem management | 9 | 336 | 377 | 377 |
| 937 | Building | 5 | 335 | 546 | 171 |
| 937 | harm reduction | 15 | 335 | 42 | 57 |
| 939 | biocatalysis | 7 | 334 | 79 | 289 |
| 939 | Homogeneous catalysis | 7 | 334 | 79 | 289 |
| 939 | Heterogeneous catalysis | 7 | 334 | 79 | 289 |
| 942 | Industrial Safety | 12 | 331 | 515 | 471 |
| 943 | Clinical Immunology | 22 | 330 | 490 | 859 |
| 943 | Statistical Mechanics | 21 | 330 | 386 | 361 |
| 943 | Radiation effects | 9 | 330 | 293 | 340 |
| 946 | software | 7 | 329 | 623 | 504 |
| 947 | Economic Thought | 8 | 327 | 142 | 242 |
| 948 | Diagnostic Imaging | 15 | 326 | 1076 | 1272 |
| 949 | microwave antennas | 29 | 324 | 42 | 83 |
| 950 | environmental exposure | 22 | 322 | 609 | 1203 |
| 950 | investigative techniques | 3 | 322 | 132 | 52 |
| 952 | Biofilms | 3 | 321 | 145 | 49 |
| 953 | Catalysts | 6 | 318 | 500 | 271 |
| 954 | Urban Policy | 10 | 315 | 338 | 377 |
| 954 | Genetic Research | 5 | 315 | 101 | 48 |
| 954 | Catalyst | 5 | 315 | 10 | 40 |
| 957 | Dermatology | 18 | 314 | 959 | 1211 |
| 958 | DNA methylation | 12 | 311 | 76 | 177 |
| 958 | Eurasia | 9 | 311 | 87 | 37 |
| 958 | internet | 14 | 311 | 470 | 517 |
| 961 | community participation | 15 | 310 | 19 | 36 |
| 961 | Faculty | 15 | 310 | 19 | 36 |
| 963 | cytokines | 4 | 308 | 1443 | 905 |
| 964 | Developmental Immunology | 11 | 307 | 347 | 429 |
| 965 | Bioacoustics | 12 | 306 | 12 | 13 |
| 965 | Combinatorial analysis | 43 | 306 | 187 | 287 |
| 967 | World Bank | 3 | 304 | 42 | 33 |
| 967 | Aggression | 4 | 304 | 421 | 276 |
| 969 | Cognitive Therapy | 13 | 303 | 258 | 335 |
| 970 | Watershed management | 4 | 300 | 162 | 16 |
| 970 | Porous materials | 10 | 300 | 323 | 198 |
| 972 | community development | 17 | 299 | 150 | 202 |
| 972 | Auditing | 6 | 299 | 247 | 177 |
| 972 | coal | 6 | 299 | 1308 | 1174 |
| 975 | Geometry | 49 | 297 | 175 | 316 |
| 975 | Restoration Ecology | 3 | 297 | 537 | 216 |
| 975 | Corporate governance | 10 | 297 | 182 | 224 |
| 978 | Forecasting | 11 | 296 | 185 | 240 |
| 979 | Politics | 14 | 295 | 250 | 218 |
| 980 | Orthopedic Surgery | 7 | 293 | 674 | 524 |
| 981 | Magnetic Materials | 14 | 292 | 741 | 897 |
| 982 | food handling | 7 | 291 | 554 | 552 |
| 982 | migration policy | 7 | 291 | 100 | 101 |
| 984 | immigration | 6 | 289 | 111 | 98 |
| 984 | Asylum seeker | 6 | 289 | 91 | 97 |
| 984 | Insect biochemistry | 5 | 289 | 360 | 288 |
| 987 | Reading | 13 | 288 | 225 | 264 |
| 987 | Middle East | 16 | 288 | 311 | 247 |
| 989 | voice | 5 | 287 | 415 | 189 |
| 989 | Freeze-Drying | 21 | 287 | 92 | 147 |
| 989 | Hypothermia | 21 | 287 | 92 | 147 |
| 989 | Freeze Drying | 21 | 287 | 92 | 147 |
| 989 | Performance | 10 | 287 | 121 | 160 |
| 994 | Electron Microscopy | 23 | 285 | 58 | 134 |
| 995 | urban health | 13 | 284 | 88 | 142 |
| 996 | Information Retrieval | 11 | 283 | 172 | 263 |
| 996 | Waste management | 15 | 283 | 549 | 605 |
| 996 | Muscle contraction | 24 | 283 | 14 | 13 |
| 999 | hospice care | 14 | 282 | 185 | 179 |
| 1000 | Software Engineering | 16 | 281 | 385 | 393 |