| 1 | Science | 3,093 | 269.5K | 77 | 102 |
| 2 | Biology | 2,517 | 240.6K | 115 | 115 |
| 3 | Physics | 2,590 | 232.3K | 145 | 127 |
| 4 | Biochemistry | 4,043 | 206.3K | 52 | 51 |
| 5 | Medicine | 2,553 | 166.4K | 120 | 97 |
| 6 | Molecular Biology | 1,848 | 131.1K | 101 | 106 |
| 7 | Neurology | 1,608 | 127.7K | 97 | 78 |
| 8 | Natural history | 446 | 121.0K | 136 | 116 |
| 9 | Chemistry | 1,961 | 120.0K | 191 | 177 |
| 10 | Ecology | 1,711 | 118.9K | 47 | 45 |
| 11 | Microbiology | 2,104 | 117.7K | 35 | 52 |
| 12 | Research | 2,559 | 102.9K | 51 | 51 |
| 13 | Biotechnology | 1,555 | 102.1K | 25 | 19 |
| 14 | Human genetics | 258 | 98.0K | 117 | 65 |
| 15 | Physiology | 2,035 | 82.4K | 8 | 16 |
| 16 | Environment | 809 | 79.3K | 58 | 30 |
| 17 | Nuclear Physics | 2,027 | 68.3K | 93 | 101 |
| 18 | Immunology | 1,268 | 59.0K | 43 | 88 |
| 19 | Diabetes | 722 | 55.4K | 15 | 15 |
| 20 | Cytology | 819 | 54.3K | 109 | 155 |
| 21 | Astronomy | 631 | 54.1K | 247 | 186 |
| 22 | Astrophysics | 629 | 53.9K | 272 | 226 |
| 23 | Diabetes mellitus | 658 | 52.6K | 16 | 15 |
| 24 | Pollution | 651 | 49.6K | 113 | 69 |
| 25 | Bioengineering | 728 | 49.5K | 39 | 51 |
| 26 | Cell Biology | 684 | 46.6K | 112 | 179 |
| 27 | Nanotechnology | 872 | 45.0K | 104 | 135 |
| 28 | Biophysics | 1,182 | 41.3K | 90 | 85 |
| 29 | Cancer | 835 | 38.9K | 59 | 86 |
| 30 | Analytical Chemistry | 645 | 38.2K | 72 | 27 |
| 31 | Brain | 497 | 37.4K | 57 | 31 |
| 32 | Neurophysiology | 452 | 37.1K | 110 | 91 |
| 33 | Environmental Health | 728 | 36.4K | 80 | 97 |
| 34 | Condensed Matter | 888 | 35.7K | 130 | 129 |
| 35 | Solid State Physics | 910 | 32.6K | 127 | 131 |
| 36 | Pathology | 948 | 32.5K | 8 | 16 |
| 37 | Botany | 631 | 32.3K | 111 | 112 |
| 38 | Hematology | 923 | 32.1K | 100 | 107 |
| 39 | Colloids | 862 | 31.8K | 23 | 27 |
| 40 | Public Health | 709 | 30.2K | 132 | 137 |
| 41 | Geophysics | 423 | 30.0K | 286 | 149 |
| 42 | Genetics | 312 | 29.9K | 225 | 169 |
| 43 | Biodiversity conservation | 198 | 29.3K | 43 | 15 |
| 44 | soil microbiology | 275 | 28.5K | 19 | 12 |
| 45 | Endocrinology | 492 | 28.4K | 105 | 121 |
| 46 | Nutrition | 542 | 28.2K | 83 | 63 |
| 47 | Soil biology | 243 | 27.7K | 11 | 7 |
| 48 | Surface Chemistry | 730 | 27.7K | 30 | 26 |
| 49 | Technology | 566 | 26.7K | 49 | 22 |
| 50 | Biomedical Engineering | 605 | 26.7K | 67 | 40 |
| 51 | Orthopedics | 575 | 26.6K | 9 | 8 |
| 52 | Microbial Ecology | 276 | 26.4K | 66 | 59 |
| 53 | Neurochemistry | 391 | 26.2K | 55 | 28 |
| 54 | Pharmacology | 819 | 26.1K | 139 | 154 |
| 55 | Climate change | 148 | 25.8K | 22 | 12 |
| 56 | Eutrophication | 145 | 25.8K | 22 | 12 |
| 57 | Psychiatry | 635 | 25.0K | 133 | 188 |
| 58 | Metabolism | 541 | 24.9K | 59 | 102 |
| 59 | Medical genetics | 325 | 23.8K | 153 | 130 |
| 60 | Europe | 741 | 23.8K | 19 | 7 |
| 61 | Epidemiology | 624 | 23.5K | 75 | 89 |
| 62 | Metabolic diseases | 361 | 22.8K | 80 | 97 |
| 63 | Biomass Energy | 244 | 22.8K | 58 | 21 |
| 64 | Environmental Policy | 310 | 22.5K | 36 | 36 |
| 65 | Biochemical Engineering | 276 | 22.4K | 114 | 113 |
| 66 | Psychology | 700 | 22.2K | 118 | 175 |
| 67 | miniaturization | 262 | 21.8K | 47 | 48 |
| 68 | Histology | 404 | 21.1K | 15 | 11 |
| 69 | Immunity | 311 | 19.9K | 58 | 137 |
| 70 | Virology | 240 | 19.6K | 252 | 294 |
| 71 | Nervous system | 236 | 19.4K | 97 | 77 |
| 72 | Surgery | 305 | 19.0K | 66 | 119 |
| 73 | Atmospheric Physics | 246 | 18.9K | 102 | 69 |
| 74 | Evolution | 289 | 18.8K | 42 | 55 |
| 75 | Atmospheric Chemistry | 231 | 18.5K | 53 | 56 |
| 76 | biological evolution | 222 | 18.4K | 82 | 84 |
| 77 | management | 282 | 18.3K | 112 | 147 |
| 78 | Microelectronics | 260 | 18.1K | 49 | 53 |
| 79 | Polymers | 464 | 17.5K | 222 | 191 |
| 80 | Economics | 428 | 17.2K | 157 | 119 |
| 81 | Meteorology | 285 | 17.0K | 140 | 124 |
| 82 | Clinical Laboratory Science | 408 | 16.6K | 3 | 1 |
| 83 | Industrial Microbiology | 224 | 16.5K | 25 | 11 |
| 84 | Earth Sciences | 243 | 16.5K | 136 | 89 |
| 85 | Materials | 360 | 16.4K | 528 | 469 |
| 86 | Diet | 223 | 16.2K | 86 | 57 |
| 87 | Regional Planning | 225 | 15.8K | 18 | 4 |
| 88 | Mental Disorders | 406 | 15.7K | 92 | 145 |
| 89 | Geology | 344 | 15.7K | 174 | 142 |
| 90 | Sustainable Development | 170 | 15.3K | 17 | 10 |
| 91 | Analytical Biochemistry | 121 | 14.7K | 47 | 13 |
| 92 | Neurobiology | 192 | 14.6K | 93 | 84 |
| 93 | Medical Microbiology | 350 | 14.6K | 24 | 80 |
| 94 | Animal Behavior | 330 | 14.5K | 49 | 67 |
| 95 | environmental pollution | 326 | 14.2K | 161 | 170 |
| 96 | Physical Chemistry | 264 | 14.0K | 50 | 52 |
| 97 | Toxicology | 406 | 13.9K | 159 | 174 |
| 98 | Biodiversity | 263 | 13.8K | 23 | 29 |
| 99 | Catalysis | 432 | 13.6K | 161 | 273 |
| 100 | Clinical Chemistry | 276 | 13.2K | 94 | 73 |
| 101 | Chemical Engineering | 325 | 13.1K | 296 | 289 |
| 102 | Environmental Engineering | 209 | 12.9K | 179 | 165 |
| 103 | Medical Laboratory Science | 266 | 12.9K | 17 | 14 |
| 104 | United Kingdom | 214 | 12.5K | 40 | 29 |
| 105 | Pharmaceutical Chemistry | 254 | 12.5K | 251 | 184 |
| 106 | enzymes | 223 | 12.3K | 14 | 8 |
| 107 | Alzheimer's disease | 560 | 12.2K | 27 | 45 |
| 108 | Biogeochemistry | 217 | 12.2K | 13 | 28 |
| 109 | Plant Ecology | 206 | 12.1K | 36 | 33 |
| 110 | arthritis | 279 | 12.1K | 24 | 56 |
| 111 | Environmental monitoring | 238 | 12.1K | 116 | 108 |
| 112 | Energy Policy | 172 | 11.9K | 91 | 58 |
| 113 | Spectrum analysis | 340 | 11.9K | 323 | 443 |
| 114 | Electrochemistry | 320 | 11.8K | 219 | 153 |
| 115 | Economic History | 296 | 11.4K | 96 | 41 |
| 116 | Water pollution | 227 | 11.4K | 76 | 92 |
| 117 | Bacteriology | 194 | 11.3K | 105 | 122 |
| 118 | Optics | 378 | 10.9K | 253 | 187 |
| 119 | Statistics | 140 | 10.8K | 254 | 110 |
| 119 | polymerization | 248 | 10.8K | 354 | 237 |
| 121 | Climatology | 158 | 10.8K | 149 | 112 |
| 122 | Psychophysiology | 225 | 10.8K | 232 | 229 |
| 123 | Urology | 209 | 10.7K | 113 | 84 |
| 124 | Immune system | 208 | 10.6K | 23 | 108 |
| 125 | Genetic engineering | 122 | 10.5K | 106 | 42 |
| 126 | Molecular Genetics | 169 | 10.5K | 86 | 73 |
| 127 | Combustion | 314 | 10.4K | 23 | 34 |
| 128 | Geriatrics | 316 | 10.4K | 134 | 132 |
| 129 | Aging | 297 | 10.4K | 118 | 127 |
| 130 | Water | 179 | 10.3K | 125 | 141 |
| 131 | Leukemia | 118 | 10.3K | 90 | 49 |
| 132 | nanoscience | 203 | 10.1K | 162 | 214 |
| 133 | Ethology | 210 | 10.0K | 61 | 80 |
| 134 | Sports Medicine | 135 | 9.9K | 238 | 86 |
| 135 | Geography | 222 | 9.8K | 105 | 58 |
| 136 | Mathematical Physics | 103 | 9.8K | 429 | 122 |
| 137 | Membranes | 187 | 9.8K | 70 | 65 |
| 138 | Diagnostic Imaging | 219 | 9.7K | 49 | 43 |
| 139 | Biocompatible Materials | 203 | 9.6K | 357 | 393 |
| 140 | Obstetrics | 231 | 9.6K | 187 | 100 |
| 141 | Molecular ecology | 135 | 9.5K | 30 | 41 |
| 142 | Enzyme | 108 | 9.5K | 4 | 2 |
| 143 | Statistical physics | 365 | 9.4K | 240 | 269 |
| 144 | Sociology | 263 | 9.3K | 125 | 131 |
| 145 | proteins | 278 | 9.3K | 32 | 65 |
| 146 | transport vesicles | 3 | 9.3K | 256 | 159 |
| 147 | Social Sciences | 214 | 9.1K | 174 | 69 |
| 148 | Cell differentiation | 132 | 9.0K | 138 | 202 |
| 149 | Pediatrics | 166 | 8.9K | 264 | 241 |
| 150 | rehabilitation | 287 | 8.9K | 46 | 64 |
| 151 | Molecular evolution | 133 | 8.6K | 77 | 80 |
| 152 | Materials Science | 230 | 8.6K | 435 | 462 |
| 153 | Tourism | 98 | 8.6K | 96 | 47 |
| 154 | Population Genetics | 135 | 8.5K | 46 | 52 |
| 155 | Oncology | 134 | 8.4K | 173 | 281 |
| 156 | Medical Physics | 210 | 8.3K | 88 | 68 |
| 157 | Developmental Biology | 130 | 8.2K | 240 | 257 |
| 158 | Molecular Microbiology | 87 | 8.1K | 61 | 46 |
| 159 | Therapeutics | 242 | 8.0K | 49 | 96 |
| 160 | Mathematics | 507 | 8.0K | 369 | 306 |
| 161 | United States | 184 | 7.9K | 493 | 361 |
| 162 | Cardiovascular system | 107 | 7.9K | 202 | 210 |
| 163 | environmental protection | 175 | 7.7K | 134 | 125 |
| 164 | Environmental Management | 138 | 7.7K | 127 | 100 |
| 165 | Paleontology | 155 | 7.7K | 71 | 24 |
| 166 | Plant physiology | 225 | 7.6K | 65 | 164 |
| 167 | Biogeography | 77 | 7.6K | 54 | 25 |
| 168 | Neuropsychology | 201 | 7.6K | 115 | 123 |
| 169 | Nanostructured Materials | 222 | 7.6K | 207 | 239 |
| 170 | Dementia | 481 | 7.6K | 30 | 60 |
| 171 | energy resources | 90 | 7.5K | 51 | 39 |
| 172 | Obesity | 176 | 7.5K | 120 | 142 |
| 173 | Diagnostic microbiology | 77 | 7.5K | 122 | 94 |
| 174 | Hypertension | 129 | 7.5K | 168 | 199 |
| 175 | Primary health care | 340 | 7.5K | 18 | 28 |
| 176 | Pediatric Neurology | 33 | 7.3K | 287 | 117 |
| 177 | Behavior | 126 | 7.3K | 363 | 310 |
| 178 | drug therapy | 188 | 7.2K | 145 | 134 |
| 179 | Occupational Therapy | 311 | 7.1K | 9 | 5 |
| 180 | organization | 85 | 7.0K | 30 | 57 |
| 181 | Food | 136 | 7.0K | 219 | 143 |
| 182 | Physical Therapy | 127 | 6.9K | 83 | 57 |
| 183 | Immunotherapy | 100 | 6.9K | 133 | 142 |
| 184 | Molecular structure | 124 | 6.9K | 122 | 122 |
| 185 | Environmental Chemistry | 176 | 6.9K | 52 | 158 |
| 186 | Animal ecology | 171 | 6.8K | 23 | 37 |
| 187 | Genomics | 177 | 6.8K | 193 | 223 |
| 188 | Histochemistry | 97 | 6.8K | 51 | 5 |
| 189 | human behavior | 96 | 6.8K | 282 | 235 |
| 190 | Planets | 92 | 6.7K | 325 | 231 |
| 191 | Thrombosis | 169 | 6.6K | 19 | 34 |
| 192 | Environmental Toxicology | 95 | 6.5K | 175 | 117 |
| 193 | Medical Anthropology | 97 | 6.5K | 97 | 82 |
| 194 | Biosensors | 108 | 6.5K | 46 | 34 |
| 195 | Cytogenetics | 94 | 6.5K | 147 | 182 |
| 196 | Bioelectronics | 105 | 6.4K | 33 | 27 |
| 197 | Electrochemical Analysis | 117 | 6.4K | 62 | 28 |
| 198 | Nuclear Medicine | 115 | 6.3K | 62 | 34 |
| 199 | Human Geography | 142 | 6.3K | 45 | 35 |
| 200 | Plants | 102 | 6.3K | 212 | 229 |
| 201 | energy conservation | 92 | 6.3K | 115 | 86 |
| 202 | Computational Biology | 131 | 6.3K | 198 | 274 |
| 203 | Quality of life | 92 | 6.2K | 47 | 42 |
| 204 | Soil ecology | 72 | 6.2K | 32 | 17 |
| 205 | Rheumatology | 123 | 6.2K | 65 | 83 |
| 206 | histological techniques | 68 | 6.1K | 23 | 11 |
| 207 | Proteome | 144 | 6.1K | 23 | 46 |
| 208 | Nursing | 255 | 6.1K | 26 | 33 |
| 209 | Marine Biology | 154 | 6.1K | 239 | 215 |
| 210 | Zoology | 201 | 6.1K | 125 | 109 |
| 211 | Clinical Pharmacology | 168 | 5.9K | 37 | 28 |
| 212 | Paleoclimatology | 121 | 5.9K | 38 | 36 |
| 213 | Stem cells | 206 | 5.9K | 37 | 71 |
| 214 | city planning | 102 | 5.9K | 102 | 38 |
| 215 | Embryology | 102 | 5.8K | 190 | 212 |
| 216 | biofuels | 63 | 5.8K | 7 | 4 |
| 217 | radiocarbon dating | 4 | 5.7K | 58 | 23 |
| 218 | Ophthalmology | 176 | 5.7K | 118 | 147 |
| 219 | Homeostasis | 26 | 5.6K | 99 | 85 |
| 219 | Cell metabolism | 27 | 5.6K | 121 | 88 |
| 221 | atmospheric models | 67 | 5.6K | 87 | 67 |
| 222 | Critical Care | 108 | 5.6K | 152 | 223 |
| 223 | Oceanography | 128 | 5.6K | 220 | 213 |
| 224 | Renewable Energy Sources | 69 | 5.6K | 278 | 265 |
| 225 | ecosystem | 94 | 5.5K | 60 | 64 |
| 226 | Perception | 217 | 5.5K | 99 | 144 |
| 227 | global environmental change | 79 | 5.5K | 25 | 22 |
| 228 | Bioenergetics | 127 | 5.5K | 29 | 27 |
| 229 | Parasitic Diseases | 104 | 5.5K | 154 | 117 |
| 230 | Critical Care Medicine | 100 | 5.4K | 161 | 231 |
| 231 | Molecules | 195 | 5.4K | 31 | 58 |
| 232 | Allergy | 51 | 5.4K | 230 | 212 |
| 233 | Software Engineering | 69 | 5.3K | 51 | 3 |
| 234 | Electronics | 167 | 5.3K | 361 | 200 |
| 235 | Cognition | 153 | 5.2K | 121 | 171 |
| 236 | Molecular Imaging | 71 | 5.2K | 68 | 29 |
| 237 | Anatomy | 100 | 5.2K | 223 | 212 |
| 237 | Biomass | 47 | 5.2K | 27 | 7 |
| 239 | Memory | 209 | 5.2K | 94 | 165 |
| 240 | Psychopharmacology | 176 | 5.2K | 95 | 171 |
| 241 | Respiration | 111 | 5.2K | 112 | 120 |
| 242 | Attention | 210 | 5.2K | 81 | 118 |
| 243 | Plant diseases | 83 | 5.1K | 289 | 120 |
| 244 | freshwater biology | 78 | 5.1K | 34 | 24 |
| 245 | Radiation | 188 | 5.1K | 53 | 68 |
| 246 | Social behavior | 85 | 5.1K | 73 | 63 |
| 247 | Entomology | 170 | 5.1K | 151 | 106 |
| 248 | Water quality management | 166 | 5.1K | 33 | 25 |
| 249 | Visual Perception | 203 | 5.1K | 80 | 116 |
| 250 | Land Use Planning | 43 | 5.0K | 18 | 5 |
| 251 | Cardiovascular diseases | 185 | 5.0K | 48 | 58 |
| 252 | Sports | 88 | 5.0K | 270 | 109 |
| 253 | Reproduction | 170 | 4.9K | 153 | 197 |
| 254 | Waste management | 170 | 4.9K | 14 | 12 |
| 255 | Wildlife conservation | 88 | 4.8K | 84 | 85 |
| 256 | Immunochemistry | 208 | 4.8K | 9 | 8 |
| 257 | sanitation | 62 | 4.8K | 266 | 274 |
| 258 | Hazardous waste | 43 | 4.8K | 49 | 15 |
| 259 | Forest Ecology | 79 | 4.7K | 97 | 59 |
| 260 | protein | 133 | 4.7K | 48 | 89 |
| 261 | Chemical Ecology | 121 | 4.7K | 13 | 14 |
| 262 | industrial waste | 42 | 4.7K | 42 | 15 |
| 263 | radioactive waste | 41 | 4.7K | 38 | 15 |
| 264 | Agriculture | 91 | 4.7K | 220 | 136 |
| 265 | coal | 124 | 4.7K | 71 | 78 |
| 266 | Plant cells | 50 | 4.7K | 277 | 302 |
| 267 | Mental illness | 110 | 4.7K | 196 | 267 |
| 268 | gene mapping | 87 | 4.7K | 198 | 236 |
| 269 | Organic Chemistry | 131 | 4.7K | 366 | 323 |
| 270 | Virulence | 53 | 4.6K | 172 | 152 |
| 271 | Lipids | 125 | 4.6K | 33 | 68 |
| 272 | plant communities | 85 | 4.6K | 69 | 93 |
| 273 | Scandinavia | 324 | 4.6K | 8 | 10 |
| 274 | Developing countries | 160 | 4.6K | 86 | 107 |
| 275 | Environmental Economics | 46 | 4.6K | 6 | 4 |
| 276 | Parasitology | 72 | 4.5K | 372 | 139 |
| 277 | Environmental Law | 66 | 4.5K | 75 | 77 |
| 278 | Forest Management | 68 | 4.5K | 113 | 66 |
| 279 | Combinatorial chemistry | 49 | 4.5K | 78 | 41 |
| 280 | Hemophilia | 183 | 4.5K | 6 | 10 |
| 281 | Energy metabolism | 94 | 4.5K | 38 | 38 |
| 282 | pheromones | 111 | 4.4K | 13 | 14 |
| 283 | collagen | 53 | 4.4K | 10 | 3 |
| 284 | Water Purification | 136 | 4.4K | 15 | 11 |
| 285 | Paleoecology | 96 | 4.4K | 48 | 41 |
| 286 | Disease | 12 | 4.4K | 84 | 96 |
| 287 | pain | 114 | 4.4K | 104 | 169 |
| 288 | Neurons | 23 | 4.3K | 248 | 274 |
| 289 | diseases | 10 | 4.3K | 121 | 98 |
| 290 | Birds | 160 | 4.3K | 43 | 45 |
| 291 | Entrepreneurship | 61 | 4.3K | 32 | 82 |
| 292 | Liver diseases | 64 | 4.3K | 266 | 323 |
| 293 | Bioorganic chemistry | 98 | 4.3K | 336 | 287 |
| 294 | nuclear magnetic resonance | 113 | 4.3K | 72 | 52 |
| 295 | Health | 134 | 4.2K | 145 | 159 |
| 296 | Political Science | 121 | 4.2K | 172 | 119 |
| 297 | cell membrane | 94 | 4.2K | 35 | 39 |
| 298 | Soil fertility | 28 | 4.2K | 38 | 8 |
| 299 | plant molecular biology | 54 | 4.2K | 309 | 313 |
| 300 | Econometrics | 91 | 4.1K | 105 | 124 |
| 301 | Quantum Gravity | 148 | 4.1K | 397 | 473 |
| 302 | Medical Oncology | 92 | 4.1K | 361 | 244 |
| 303 | Regional Economics | 71 | 4.0K | 2 | 2 |
| 304 | occupational diseases | 110 | 4.0K | 38 | 40 |
| 305 | Extracellular matrix | 45 | 4.0K | 15 | 3 |
| 306 | Agricultural Ecology | 63 | 4.0K | 80 | 75 |
| 307 | Electrophysiology | 219 | 4.0K | 11 | 15 |
| 308 | biopolymers | 139 | 4.0K | 27 | 47 |
| 309 | Chromatographic analysis | 132 | 4.0K | 73 | 41 |
| 310 | Hydrology | 139 | 3.9K | 196 | 263 |
| 311 | Economic Development | 100 | 3.9K | 99 | 124 |
| 312 | Public Administration | 68 | 3.9K | 169 | 65 |
| 313 | Soft Condensed Matter | 142 | 3.9K | 31 | 49 |
| 314 | Nonlinear Dynamics | 107 | 3.9K | 306 | 242 |
| 315 | Mycology | 80 | 3.9K | 166 | 121 |
| 316 | Magnetic Resonance Spectroscopy | 107 | 3.8K | 76 | 55 |
| 317 | Oncogenes | 58 | 3.8K | 200 | 243 |
| 318 | vascular diseases | 59 | 3.8K | 62 | 56 |
| 319 | Agricultural Chemistry | 70 | 3.8K | 369 | 223 |
| 320 | Growth | 57 | 3.8K | 221 | 271 |
| 321 | Numerical Analysis | 179 | 3.8K | 63 | 86 |
| 322 | infection | 79 | 3.7K | 161 | 149 |
| 323 | Speech Disorders | 116 | 3.7K | 87 | 73 |
| 324 | Research Design | 80 | 3.7K | 102 | 106 |
| 325 | Photonics | 80 | 3.6K | 208 | 251 |
| 326 | Genetic regulation | 74 | 3.6K | 91 | 188 |
| 327 | Geochemistry | 99 | 3.6K | 341 | 378 |
| 328 | Inflammation | 96 | 3.6K | 29 | 38 |
| 329 | psychotherapy | 142 | 3.6K | 62 | 165 |
| 330 | Comparative Physiology | 94 | 3.6K | 38 | 29 |
| 331 | Infections | 75 | 3.6K | 82 | 118 |
| 332 | food technology | 102 | 3.6K | 249 | 230 |
| 333 | Europa | 82 | 3.6K | 7 | 5 |
| 334 | Host-parasite interactions | 45 | 3.6K | 234 | 255 |
| 335 | Cognitive Science | 81 | 3.5K | 97 | 153 |
| 336 | Electrophoresis | 98 | 3.5K | 81 | 59 |
| 337 | Fungi | 63 | 3.5K | 112 | 96 |
| 338 | Chromatography | 126 | 3.5K | 52 | 37 |
| 339 | Public Policy | 139 | 3.5K | 79 | 108 |
| 340 | Occupational Health | 143 | 3.5K | 34 | 40 |
| 341 | Engineering | 135 | 3.5K | 343 | 254 |
| 342 | Ornithology | 136 | 3.5K | 37 | 35 |
| 343 | Transplantation | 86 | 3.5K | 171 | 205 |
| 344 | Bioinorganic chemistry | 109 | 3.5K | 68 | 47 |
| 345 | Business | 66 | 3.4K | 282 | 305 |
| 346 | Immunopathology | 103 | 3.4K | 101 | 115 |
| 347 | Insects | 97 | 3.4K | 96 | 77 |
| 348 | Proteomics | 82 | 3.4K | 42 | 71 |
| 349 | disease outbreaks | 75 | 3.4K | 22 | 32 |
| 350 | Autoimmunity | 71 | 3.4K | 35 | 49 |
| 351 | Epidemics | 74 | 3.4K | 22 | 31 |
| 352 | Heat Exchangers | 85 | 3.4K | 57 | 56 |
| 353 | environmental exposure | 110 | 3.4K | 79 | 98 |
| 354 | viruses | 77 | 3.3K | 253 | 338 |
| 355 | starch | 51 | 3.3K | 19 | 1 |
| 356 | Spine | 43 | 3.3K | 113 | 76 |
| 357 | Child Development | 94 | 3.3K | 250 | 282 |
| 358 | Economic Geography | 37 | 3.3K | 24 | 3 |
| 359 | Small Business | 49 | 3.3K | 35 | 69 |
| 360 | Chromosome mapping | 75 | 3.3K | 188 | 221 |
| 361 | Thermodynamics | 116 | 3.3K | 37 | 18 |
| 362 | gene therapy | 73 | 3.2K | 87 | 121 |
| 363 | Signal Transduction | 54 | 3.2K | 152 | 159 |
| 364 | Geriatric Psychiatry | 88 | 3.2K | 54 | 55 |
| 365 | Computational Chemistry | 35 | 3.1K | 53 | 88 |
| 366 | Antigens | 101 | 3.1K | 22 | 54 |
| 367 | Pharmacy | 69 | 3.1K | 307 | 196 |
| 368 | Hormones | 79 | 3.1K | 103 | 123 |
| 369 | mass transfer | 102 | 3.1K | 111 | 148 |
| 370 | Environmental pollutants | 124 | 3.1K | 102 | 188 |
| 371 | disabilities | 86 | 3.0K | 25 | 18 |
| 372 | Health Policy | 92 | 3.0K | 266 | 237 |
| 373 | Carcinogenesis | 57 | 3.0K | 83 | 75 |
| 374 | Medical innovations | 35 | 3.0K | 142 | 186 |
| 375 | Liposomes | 51 | 3.0K | 14 | 24 |
| 376 | Bioinformatics | 77 | 3.0K | 244 | 394 |
| 377 | Lipid bilayers | 50 | 3.0K | 8 | 24 |
| 378 | Thermochemistry | 85 | 3.0K | 23 | 17 |
| 379 | glycoproteins | 78 | 2.9K | 10 | 21 |
| 379 | Glycoconjugates | 78 | 2.9K | 10 | 21 |
| 379 | glycolipids | 78 | 2.9K | 10 | 21 |
| 382 | Light | 40 | 2.9K | 143 | 207 |
| 383 | Communication | 94 | 2.9K | 204 | 157 |
| 384 | Linguistics | 131 | 2.9K | 87 | 100 |
| 385 | bioclimatology | 39 | 2.9K | 69 | 19 |
| 386 | Metallurgy | 53 | 2.9K | 550 | 341 |
| 387 | Transportation | 80 | 2.9K | 221 | 180 |
| 387 | Gerontology | 139 | 2.9K | 172 | 181 |
| 389 | Nanoparticles | 56 | 2.8K | 241 | 192 |
| 390 | carcinogens | 49 | 2.8K | 113 | 85 |
| 391 | Food Microbiology | 61 | 2.8K | 130 | 143 |
| 392 | International Relations | 110 | 2.8K | 65 | 49 |
| 393 | Telecommunication | 37 | 2.8K | 515 | 103 |
| 394 | mutagens | 44 | 2.8K | 103 | 81 |
| 395 | Industrial Ecology | 26 | 2.8K | 15 | 3 |
| 396 | Hemostasis | 114 | 2.8K | 15 | 19 |
| 397 | Synchrotron Radiation | 91 | 2.8K | 20 | 17 |
| 397 | alcoholism | 97 | 2.8K | 165 | 218 |
| 399 | Solid State Chemistry | 133 | 2.7K | 204 | 228 |
| 400 | industrial hygiene | 117 | 2.7K | 37 | 24 |
| 401 | Environmental Microbiology | 51 | 2.7K | 159 | 218 |
| 402 | genome | 44 | 2.7K | 318 | 445 |
| 403 | pollutants | 110 | 2.7K | 95 | 189 |
| 404 | drug development | 31 | 2.7K | 164 | 194 |
| 405 | drugs | 88 | 2.7K | 207 | 211 |
| 406 | Chromosomes | 62 | 2.7K | 83 | 84 |
| 407 | Health Services Research | 124 | 2.6K | 107 | 180 |
| 408 | Child | 101 | 2.6K | 283 | 300 |
| 409 | medical education | 91 | 2.6K | 239 | 208 |
| 410 | Autoimmune diseases | 67 | 2.6K | 21 | 35 |
| 411 | Aerosols | 109 | 2.6K | 18 | 46 |
| 412 | Climate | 30 | 2.6K | 60 | 32 |
| 413 | weather | 31 | 2.6K | 39 | 10 |
| 414 | Autoantibodies | 65 | 2.6K | 18 | 33 |
| 415 | Photochemistry | 51 | 2.6K | 214 | 106 |
| 416 | Respiratory system | 62 | 2.6K | 22 | 18 |
| 417 | Clinical Psychology | 65 | 2.6K | 228 | 313 |
| 418 | Drug delivery systems | 16 | 2.5K | 609 | 181 |
| 419 | Cognitive neuroscience | 40 | 2.5K | 210 | 243 |
| 420 | Green Chemistry | 66 | 2.5K | 214 | 310 |
| 421 | calcification | 52 | 2.5K | 29 | 30 |
| 422 | older people | 95 | 2.5K | 194 | 104 |
| 423 | Vaccines | 65 | 2.5K | 287 | 252 |
| 424 | Ventilation | 45 | 2.4K | 38 | 21 |
| 425 | Process Control | 46 | 2.4K | 56 | 86 |
| 426 | Data Mining | 33 | 2.4K | 234 | 177 |
| 426 | Antibodies | 87 | 2.4K | 11 | 39 |
| 428 | Optical materials | 56 | 2.4K | 559 | 560 |
| 429 | Organizational Sociology | 38 | 2.4K | 16 | 8 |
| 430 | Biogeochemical cycles | 34 | 2.4K | 69 | 102 |
| 431 | Community Psychiatry | 59 | 2.4K | 107 | 100 |
| 432 | Social Change | 25 | 2.4K | 155 | 58 |
| 433 | Paleogeography | 61 | 2.4K | 71 | 96 |
| 433 | Genetic therapy | 69 | 2.4K | 125 | 194 |
| 435 | fuel cells | 51 | 2.4K | 169 | 255 |
| 436 | Education | 114 | 2.3K | 498 | 453 |
| 437 | Production Management | 49 | 2.3K | 133 | 196 |
| 438 | Electrocardiography | 169 | 2.3K | 2 | 1 |
| 439 | Health Education | 91 | 2.3K | 211 | 237 |
| 440 | cloning | 58 | 2.3K | 28 | 99 |
| 441 | Petrology | 54 | 2.3K | 196 | 191 |
| 442 | data collection | 32 | 2.3K | 108 | 107 |
| 442 | Yeast | 44 | 2.3K | 18 | 21 |
| 444 | Radiology | 71 | 2.3K | 182 | 95 |
| 445 | Ergonomics | 65 | 2.3K | 137 | 78 |
| 446 | indoor air pollution | 36 | 2.3K | 32 | 19 |
| 446 | Sick building syndrome | 36 | 2.3K | 32 | 19 |
| 448 | Mineralogy | 54 | 2.3K | 289 | 230 |
| 448 | mutation | 23 | 2.3K | 135 | 52 |
| 450 | Control Theory | 31 | 2.2K | 469 | 158 |
| 451 | Artificial Intelligence | 85 | 2.2K | 554 | 549 |
| 452 | Nanostructures | 50 | 2.2K | 308 | 366 |
| 453 | cell interaction | 51 | 2.2K | 89 | 73 |
| 454 | Global Health | 79 | 2.2K | 62 | 41 |
| 454 | Neonatology | 48 | 2.2K | 38 | 16 |
| 456 | Mental Health | 109 | 2.2K | 92 | 129 |
| 457 | Archaeology | 102 | 2.2K | 129 | 135 |
| 458 | mathematical analysis | 96 | 2.2K | 319 | 172 |
| 459 | Philosophy | 239 | 2.2K | 71 | 86 |
| 459 | Paleobotany | 36 | 2.2K | 10 | 3 |
| 459 | Vegetation dynamics | 36 | 2.2K | 8 | 3 |
| 462 | Ecological Engineering | 15 | 2.2K | 143 | 27 |
| 463 | Engineering Geology | 54 | 2.2K | 202 | 180 |
| 464 | air quality management | 33 | 2.2K | 33 | 22 |
| 465 | personality | 54 | 2.2K | 253 | 314 |
| 466 | Learning | 43 | 2.2K | 247 | 232 |
| 467 | Development | 50 | 2.1K | 75 | 85 |
| 468 | concrete | 50 | 2.1K | 137 | 178 |
| 469 | health planning | 62 | 2.1K | 234 | 146 |
| 470 | actuators | 47 | 2.1K | 405 | 327 |
| 470 | transducers | 47 | 2.1K | 405 | 327 |
| 472 | Phylogeny | 36 | 2.1K | 132 | 115 |
| 473 | Language Disorders | 100 | 2.1K | 66 | 84 |
| 474 | Gene expression regulation | 52 | 2.1K | 104 | 228 |
| 475 | Ecosystem management | 38 | 2.1K | 67 | 56 |
| 476 | Economic Assistance | 58 | 2.1K | 38 | 74 |
| 477 | sustainability | 37 | 2.1K | 55 | 105 |
| 478 | Cement | 42 | 2.0K | 77 | 115 |
| 479 | Microbial Biotechnology | 39 | 2.0K | 68 | 31 |
| 480 | Microscopy | 67 | 2.0K | 161 | 120 |
| 481 | Manufacturing Processes | 105 | 2.0K | 202 | 300 |
| 482 | civil service | 10 | 2.0K | 164 | 19 |
| 483 | Automation | 42 | 2.0K | 356 | 274 |
| 484 | Industrial Safety | 81 | 2.0K | 50 | 80 |
| 485 | administrative agencies | 12 | 2.0K | 104 | 9 |
| 486 | Information Technology | 39 | 2.0K | 441 | 205 |
| 487 | Soil Science | 68 | 2.0K | 246 | 320 |
| 488 | Bone diseases | 20 | 2.0K | 80 | 68 |
| 489 | Bones | 90 | 2.0K | 52 | 162 |
| 490 | fertility | 48 | 1.9K | 255 | 253 |
| 491 | Chemical analysis | 35 | 1.9K | 206 | 57 |
| 492 | Infertility | 46 | 1.9K | 252 | 243 |
| 493 | Geodynamics | 28 | 1.9K | 239 | 142 |
| 494 | Teratology | 19 | 1.9K | 78 | 33 |
| 495 | health services accessibility | 52 | 1.9K | 94 | 65 |
| 496 | Immunogenetics | 52 | 1.9K | 54 | 62 |
| 496 | Microorganisms | 27 | 1.9K | 299 | 275 |
| 498 | risk factors | 57 | 1.9K | 50 | 65 |
| 499 | Recombinant DNA | 54 | 1.9K | 155 | 190 |
| 500 | Decision making | 51 | 1.8K | 174 | 187 |
| 501 | Molecular cloning | 73 | 1.8K | 81 | 174 |
| 502 | Magnetic Resonance Imaging | 84 | 1.8K | 26 | 59 |
| 503 | Psycholinguistics | 64 | 1.8K | 115 | 180 |
| 504 | Andrology | 55 | 1.8K | 46 | 35 |
| 505 | Genetic recombination | 48 | 1.8K | 149 | 172 |
| 506 | Leadership | 32 | 1.8K | 35 | 72 |
| 507 | Chemical industry | 31 | 1.8K | 306 | 67 |
| 508 | world | 34 | 1.8K | 110 | 112 |
| 509 | Schizophrenia | 48 | 1.8K | 229 | 266 |
| 510 | Recycling | 24 | 1.8K | 84 | 75 |
| 511 | Food additives | 47 | 1.7K | 136 | 174 |
| 512 | Crystallography | 119 | 1.7K | 91 | 156 |
| 513 | technology transfer | 24 | 1.7K | 5 | 5 |
| 514 | Systems Biology | 74 | 1.7K | 103 | 156 |
| 515 | Demography | 66 | 1.7K | 51 | 85 |
| 516 | cell physiology | 37 | 1.7K | 384 | 469 |
| 517 | Adolescent Medicine | 12 | 1.7K | 305 | 169 |
| 517 | Metals | 20 | 1.7K | 993 | 473 |
| 519 | organizational effectiveness | 17 | 1.7K | 68 | 8 |
| 520 | hydrocolloids | 43 | 1.7K | 81 | 137 |
| 521 | Energy Conversion | 35 | 1.7K | 283 | 439 |
| 522 | Quality Control | 38 | 1.7K | 255 | 159 |
| 522 | Psychiatric Epidemiology | 42 | 1.7K | 46 | 50 |
| 524 | Neurosurgery | 63 | 1.7K | 116 | 203 |
| 525 | nucleic acids | 68 | 1.7K | 309 | 738 |
| 526 | Wireless Communication Systems | 37 | 1.6K | 427 | 161 |
| 526 | drug addiction | 46 | 1.6K | 243 | 262 |
| 528 | Surface properties | 60 | 1.6K | 45 | 111 |
| 529 | Drug design | 41 | 1.6K | 235 | 237 |
| 530 | Operations Research | 58 | 1.6K | 396 | 435 |
| 531 | Mechanics | 31 | 1.6K | 279 | 98 |
| 532 | Surface-Active Agents | 59 | 1.6K | 43 | 100 |
| 533 | Child psychology | 51 | 1.6K | 316 | 426 |
| 534 | Fluid Mechanics | 70 | 1.6K | 253 | 272 |
| 535 | Emergency Medicine | 73 | 1.6K | 211 | 211 |
| 536 | Dermatology | 45 | 1.6K | 475 | 377 |
| 537 | Organizational change | 28 | 1.6K | 73 | 31 |
| 538 | Production Engineering | 84 | 1.6K | 186 | 203 |
| 539 | Computer Science | 48 | 1.6K | 284 | 124 |
| 540 | Carbohydrates | 50 | 1.6K | 19 | 49 |
| 541 | Population | 60 | 1.5K | 106 | 106 |
| 542 | Medical Imaging | 72 | 1.5K | 25 | 56 |
| 543 | Oligosaccharide | 47 | 1.5K | 10 | 39 |
| 544 | Vision | 50 | 1.5K | 99 | 157 |
| 545 | Adolescent | 57 | 1.5K | 387 | 383 |
| 546 | Medical Ethics | 69 | 1.5K | 97 | 75 |
| 547 | Neuroimmunology | 21 | 1.5K | 208 | 145 |
| 548 | animals | 41 | 1.5K | 186 | 97 |
| 549 | innovation | 39 | 1.5K | 37 | 161 |
| 550 | Photobiology | 26 | 1.5K | 269 | 116 |
| 551 | Australia | 53 | 1.5K | 276 | 197 |
| 552 | Organizational Behavior | 25 | 1.5K | 117 | 127 |
| 552 | Cellulose | 25 | 1.5K | 100 | 73 |
| 554 | Psychoneuroimmunology | 19 | 1.5K | 196 | 132 |
| 555 | cryosphere | 12 | 1.5K | 206 | 103 |
| 556 | Reproductive toxicology | 32 | 1.5K | 54 | 52 |
| 557 | Total Quality Management | 27 | 1.5K | 31 | 9 |
| 558 | Hemodynamics | 26 | 1.5K | 173 | 174 |
| 559 | Fluid Dynamics | 51 | 1.5K | 165 | 148 |
| 559 | Quantum Chemistry | 44 | 1.5K | 91 | 52 |
| 561 | Women's health | 45 | 1.4K | 168 | 143 |
| 562 | Evolutionary economics | 6 | 1.4K | 86 | 5 |
| 562 | Population Dynamics | 6 | 1.4K | 98 | 5 |
| 564 | Cybernetics | 29 | 1.4K | 303 | 205 |
| 565 | Cell death | 32 | 1.4K | 317 | 448 |
| 566 | behavioral medicine | 48 | 1.4K | 199 | 316 |
| 567 | Environmentalism | 17 | 1.4K | 13 | 10 |
| 568 | Algebra | 45 | 1.4K | 333 | 71 |
| 569 | Sustainable Engineering | 44 | 1.4K | 248 | 334 |
| 570 | free radicals | 42 | 1.4K | 283 | 444 |
| 571 | Clinical Biochemistry | 40 | 1.4K | 252 | 197 |
| 572 | Solar System | 20 | 1.4K | 387 | 261 |
| 573 | Oligosaccharides | 31 | 1.4K | 10 | 4 |
| 574 | economic policy | 85 | 1.4K | 249 | 304 |
| 575 | Land use | 43 | 1.4K | 109 | 132 |
| 576 | language | 37 | 1.4K | 126 | 122 |
| 577 | Speech | 36 | 1.4K | 178 | 156 |
| 578 | Corporate governance | 17 | 1.4K | 76 | 25 |
| 579 | Social work | 57 | 1.4K | 222 | 167 |
| 580 | Computer Vision | 40 | 1.4K | 178 | 299 |
| 581 | Urban Policy | 26 | 1.3K | 118 | 64 |
| 582 | Geobiology | 37 | 1.3K | 40 | 41 |
| 583 | Knowledge | 61 | 1.3K | 21 | 19 |
| 584 | commerce | 26 | 1.3K | 374 | 304 |
| 584 | international cooperation | 56 | 1.3K | 22 | 76 |
| 586 | cytokines | 37 | 1.3K | 206 | 210 |
| 587 | marketing | 64 | 1.3K | 258 | 497 |
| 588 | Biometrics | 33 | 1.3K | 284 | 224 |
| 589 | energy development | 21 | 1.3K | 153 | 236 |
| 590 | DNA polymerases | 11 | 1.3K | 214 | 233 |
| 591 | Communication in politics | 9 | 1.3K | 71 | 6 |
| 592 | biological factors | 39 | 1.3K | 347 | 353 |
| 593 | Health promotion | 33 | 1.3K | 376 | 347 |
| 594 | Business Ethics | 15 | 1.3K | 331 | 241 |
| 595 | analysis | 11 | 1.3K | 165 | 64 |
| 595 | China | 73 | 1.3K | 418 | 448 |
| 597 | Pharmaceutical Technology | 33 | 1.3K | 343 | 297 |
| 598 | Meteorites | 64 | 1.3K | 196 | 426 |
| 599 | lasers | 21 | 1.3K | 643 | 167 |
| 600 | Bacterial infections | 62 | 1.3K | 52 | 311 |
| 601 | Radiobiology | 41 | 1.3K | 579 | 461 |
| 602 | Computer-Aided Design | 47 | 1.3K | 123 | 154 |
| 602 | landscapes | 9 | 1.3K | 56 | 7 |
| 604 | Cognitive Therapy | 34 | 1.3K | 89 | 66 |
| 604 | Culture | 66 | 1.3K | 98 | 61 |
| 606 | Emergency Medical Services | 63 | 1.3K | 40 | 43 |
| 607 | biological monitoring | 27 | 1.2K | 54 | 37 |
| 608 | Plant Morphology | 54 | 1.2K | 33 | 38 |
| 609 | Socioeconomic Factors | 31 | 1.2K | 98 | 80 |
| 610 | Synaptic Transmission | 33 | 1.2K | 48 | 56 |
| 611 | Parenteral nutrition | 35 | 1.2K | 220 | 316 |
| 612 | Social Psychology | 47 | 1.2K | 494 | 630 |
| 613 | Engineering Mathematics | 46 | 1.2K | 480 | 293 |
| 614 | Orthopedic Surgery | 37 | 1.2K | 142 | 136 |
| 615 | Solar Energy | 32 | 1.2K | 303 | 355 |
| 616 | antibiotics | 42 | 1.2K | 56 | 57 |
| 617 | Oxidation-reduction | 28 | 1.2K | 130 | 288 |
| 618 | aerosol | 83 | 1.2K | 16 | 43 |
| 619 | Molecular recognition | 27 | 1.2K | 6 | 5 |
| 620 | abnormalities | 7 | 1.2K | 101 | 24 |
| 621 | Nanoelectronics | 53 | 1.2K | 83 | 49 |
| 622 | polar regions | 48 | 1.2K | 78 | 80 |
| 623 | Neurolinguistics | 28 | 1.2K | 63 | 75 |
| 624 | Oxidative stress | 18 | 1.2K | 350 | 249 |
| 625 | Digestive system diseases | 34 | 1.2K | 207 | 176 |
| 626 | Cerebellum | 16 | 1.2K | 63 | 29 |
| 626 | Cerebellar ataxia | 16 | 1.2K | 63 | 29 |
| 628 | Fisheries | 38 | 1.2K | 426 | 419 |
| 629 | Bacteria | 21 | 1.2K | 68 | 90 |
| 630 | Sexual health | 21 | 1.2K | 234 | 107 |
| 631 | Palliative Care | 75 | 1.1K | 56 | 101 |
| 632 | Bioethics | 54 | 1.1K | 87 | 70 |
| 633 | finance | 75 | 1.1K | 308 | 497 |
| 634 | Conservation Biology | 31 | 1.1K | 247 | 337 |
| 635 | Raman spectroscopy | 32 | 1.1K | 91 | 73 |
| 636 | Pharmacogenetics | 34 | 1.1K | 200 | 288 |
| 637 | Rheology | 21 | 1.1K | 148 | 84 |
| 638 | Cerebral cortex | 26 | 1.1K | 276 | 329 |
| 639 | Algal blooms | 19 | 1.1K | 63 | 81 |
| 639 | Cyanobacteria | 19 | 1.1K | 63 | 81 |
| 639 | microalgae | 19 | 1.1K | 63 | 81 |
| 642 | Chemotherapy | 42 | 1.1K | 306 | 330 |
| 643 | Enteral nutrition | 27 | 1.1K | 180 | 262 |
| 643 | behavior therapy | 28 | 1.1K | 243 | 227 |
| 643 | Pregnancy | 43 | 1.1K | 97 | 112 |
| 646 | Hearing | 48 | 1.1K | 112 | 128 |
| 647 | Energy Storage | 30 | 1.1K | 272 | 288 |
| 647 | preventive medicine | 24 | 1.1K | 456 | 391 |
| 649 | Food texture | 18 | 1.1K | 22 | 12 |
| 650 | Radiation Protection | 92 | 1.1K | 17 | 17 |
| 651 | radiation monitoring | 88 | 1.1K | 15 | 14 |
| 652 | Signal Processing | 88 | 1.1K | 159 | 343 |
| 653 | Semiconductor industry | 42 | 1.0K | 69 | 43 |
| 654 | Computer Graphics | 59 | 1.0K | 228 | 357 |
| 655 | Political Psychology | 8 | 1.0K | 171 | 56 |
| 656 | wood | 53 | 1.0K | 43 | 50 |
| 657 | Crystal growth | 27 | 1.0K | 215 | 156 |
| 658 | Robotics | 39 | 1.0K | 318 | 324 |
| 659 | software | 21 | 1.0K | 166 | 111 |
| 660 | Aquatic ecology | 27 | 1.0K | 189 | 129 |
| 661 | pain management | 43 | 1.0K | 61 | 90 |
| 662 | nuclear magnetic resonance spectroscopy | 40 | 1.0K | 90 | 106 |
| 663 | Developmental Genetics | 15 | 1.0K | 267 | 350 |
| 664 | Radiation dosimetry | 76 | 1.0K | 13 | 9 |
| 665 | ethanol | 27 | 1.0K | 79 | 68 |
| 666 | Fracture mechanics | 55 | 992 | 212 | 305 |
| 667 | Pancreatic diseases | 49 | 988 | 70 | 45 |
| 668 | Electrical Engineering | 111 | 987 | 491 | 482 |
| 669 | Environmental Geology | 42 | 986 | 168 | 278 |
| 670 | environmental indicators | 27 | 978 | 167 | 207 |
| 671 | Industrial Engineering | 37 | 974 | 417 | 438 |
| 671 | Gastrointestinal diseases | 38 | 974 | 64 | 52 |
| 673 | Lung Transplantation | 76 | 968 | 103 | 174 |
| 673 | Heart transplantation | 76 | 968 | 103 | 174 |
| 675 | Remote Sensing | 42 | 967 | 201 | 145 |
| 676 | probabilities | 70 | 966 | 172 | 178 |
| 677 | Medical Technology | 35 | 965 | 319 | 334 |
| 677 | Asia | 61 | 965 | 340 | 365 |
| 679 | soil management | 6 | 964 | 408 | 120 |
| 679 | Mitochondria | 14 | 964 | 59 | 13 |
| 681 | Social welfare | 30 | 962 | 99 | 58 |
| 682 | Physical Geography | 13 | 960 | 197 | 54 |
| 683 | Heterocyclic compounds | 53 | 959 | 102 | 50 |
| 684 | Periglacial processes | 10 | 952 | 43 | 27 |
| 684 | Permafrost | 10 | 952 | 43 | 27 |
| 684 | Frozen ground | 10 | 952 | 43 | 27 |
| 687 | Risk | 34 | 948 | 58 | 118 |
| 687 | population geography | 34 | 948 | 23 | 26 |
| 689 | Building Materials | 26 | 942 | 507 | 602 |
| 690 | packaging | 21 | 939 | 12 | 4 |
| 691 | Antioxidants | 21 | 938 | 156 | 294 |
| 692 | Work | 33 | 937 | 27 | 34 |
| 693 | Plant Genetics | 15 | 927 | 287 | 278 |
| 694 | Composite Materials | 24 | 918 | 1088 | 1091 |
| 695 | Sleep Disorders | 51 | 916 | 389 | 543 |
| 696 | Insect biochemistry | 21 | 908 | 112 | 98 |
| 697 | Developmental Psychology | 24 | 907 | 318 | 383 |
| 698 | Sleep | 50 | 904 | 392 | 545 |
| 699 | brain mapping | 18 | 903 | 250 | 263 |
| 700 | Organometallic chemistry | 48 | 902 | 272 | 280 |
| 701 | Mental Health Services | 36 | 901 | 274 | 260 |
| 702 | blood transfusion | 49 | 894 | 116 | 173 |
| 703 | Semiconductors | 76 | 893 | 206 | 371 |
| 704 | Carbon | 32 | 892 | 291 | 545 |
| 705 | voice | 56 | 886 | 17 | 41 |
| 705 | Teaching | 17 | 886 | 707 | 336 |
| 705 | X-rays | 19 | 886 | 167 | 49 |
| 708 | Ethics | 67 | 883 | 64 | 110 |
| 709 | Geodesy | 18 | 878 | 185 | 92 |
| 710 | Educational Psychology | 26 | 877 | 445 | 419 |
| 710 | Algae | 18 | 877 | 295 | 216 |
| 712 | Physical organic chemistry | 28 | 873 | 348 | 273 |
| 713 | Plant genetic engineering | 14 | 871 | 410 | 322 |
| 714 | speech therapy | 25 | 870 | 89 | 59 |
| 715 | Information Theory | 30 | 868 | 247 | 240 |
| 716 | Breeding | 23 | 866 | 417 | 358 |
| 717 | Developmental Disabilities | 29 | 861 | 261 | 364 |
| 718 | Ocean Engineering | 38 | 858 | 403 | 466 |
| 718 | Group decision making | 23 | 858 | 65 | 61 |
| 720 | Applied Linguistics | 31 | 857 | 71 | 68 |
| 721 | optical instruments | 18 | 852 | 130 | 97 |
| 722 | Substance Abuse | 41 | 849 | 342 | 408 |
| 723 | Language Acquisition | 25 | 848 | 69 | 76 |
| 724 | Pharmacokinetics | 19 | 847 | 251 | 181 |
| 725 | Cosmology | 27 | 840 | 484 | 297 |
| 726 | Protozoa | 27 | 839 | 61 | 124 |
| 727 | Geomorphology | 35 | 838 | 309 | 491 |
| 727 | Ethnology | 110 | 838 | 81 | 191 |
| 729 | Biopharmaceutics | 19 | 837 | 366 | 283 |
| 730 | Audiology | 49 | 833 | 134 | 227 |
| 731 | Radioisotopes | 45 | 832 | 163 | 137 |
| 731 | Transport | 18 | 832 | 167 | 143 |
| 733 | Reproductive health | 38 | 828 | 103 | 150 |
| 734 | Mass Spectrometry | 27 | 827 | 376 | 347 |
| 735 | Nuclear Chemistry | 37 | 822 | 232 | 168 |
| 736 | Clinical Immunology | 50 | 821 | 204 | 386 |
| 737 | Biomechanics | 32 | 820 | 351 | 447 |
| 738 | cosmic rays | 36 | 817 | 68 | 55 |
| 739 | isomerism | 17 | 816 | 56 | 20 |
| 739 | Chirality | 17 | 816 | 56 | 20 |
| 741 | supercritical fluids | 36 | 810 | 38 | 78 |
| 741 | baking | 23 | 810 | 35 | 36 |
| 743 | peace | 38 | 808 | 60 | 115 |
| 744 | Functional Analysis | 44 | 807 | 212 | 242 |
| 745 | Child welfare | 23 | 803 | 316 | 221 |
| 745 | System analysis | 54 | 803 | 391 | 615 |
| 747 | Communication Disorders | 23 | 797 | 35 | 29 |
| 748 | Pediatric Nursing | 20 | 796 | 108 | 47 |
| 749 | Genetic Toxicology | 7 | 795 | 274 | 116 |
| 749 | Landscape Ecology | 15 | 795 | 125 | 128 |
| 751 | Neural circuitry | 15 | 792 | 846 | 596 |
| 752 | Corporate Social Responsibility | 6 | 790 | 108 | 33 |
| 752 | environmental auditing | 6 | 790 | 118 | 34 |
| 754 | Social policy | 60 | 785 | 81 | 155 |
| 755 | sexual behavior | 20 | 783 | 173 | 161 |
| 756 | Jurisprudence | 52 | 782 | 120 | 186 |
| 757 | Africa | 42 | 780 | 265 | 201 |
| 758 | Psychiatric Nursing | 47 | 777 | 42 | 53 |
| 759 | corporate culture | 5 | 776 | 90 | 7 |
| 760 | Project Management | 7 | 766 | 142 | 108 |
| 761 | Industry | 7 | 760 | 55 | 36 |
| 762 | Hematopoietic stem cell transplantation | 7 | 759 | 261 | 83 |
| 763 | Rural Development | 23 | 757 | 84 | 88 |
| 764 | Mechanical Engineering | 37 | 756 | 684 | 515 |
| 765 | Neuropsychiatry | 29 | 752 | 212 | 286 |
| 766 | Organometallic compounds | 23 | 747 | 398 | 352 |
| 767 | Public Choice | 16 | 746 | 81 | 62 |
| 768 | Lymphatic system | 18 | 745 | 10 | 5 |
| 768 | bees | 9 | 745 | 197 | 85 |
| 770 | Autism | 16 | 742 | 273 | 257 |
| 771 | Hospitality industry | 24 | 740 | 40 | 34 |
| 771 | atmosphere | 32 | 740 | 124 | 183 |
| 773 | Screening | 17 | 733 | 21 | 13 |
| 774 | amino acids | 22 | 730 | 63 | 87 |
| 775 | Anthropology | 37 | 719 | 439 | 380 |
| 776 | Geographic information systems | 40 | 714 | 103 | 128 |
| 777 | Second Language Acquisition | 11 | 708 | 57 | 56 |
| 778 | Radiochemistry | 28 | 705 | 279 | 156 |
| 779 | Psychosomatic Medicine | 14 | 704 | 387 | 338 |
| 780 | Energy Consumption | 17 | 698 | 24 | 14 |
| 781 | Globalization | 27 | 696 | 55 | 76 |
| 782 | Cartography | 13 | 695 | 171 | 20 |
| 782 | Product Design | 49 | 695 | 62 | 80 |
| 782 | Japan | 30 | 695 | 616 | 391 |
| 785 | Long-Term Care | 15 | 694 | 198 | 220 |
| 785 | Long-term care facilities | 15 | 694 | 198 | 220 |
| 787 | Welfare Economics | 22 | 693 | 75 | 107 |
| 788 | Industrial Policy | 26 | 692 | 48 | 97 |
| 789 | Serology | 27 | 691 | 61 | 81 |
| 790 | nursing ethics | 21 | 690 | 16 | 18 |
| 791 | Luminescence | 35 | 687 | 208 | 195 |
| 792 | DNA methylation | 10 | 683 | 93 | 59 |
| 793 | Cell communication | 23 | 682 | 140 | 202 |
| 794 | Planetary Science | 43 | 678 | 81 | 120 |
| 794 | Technological Innovations | 36 | 678 | 87 | 190 |
| 796 | International Finance | 43 | 671 | 269 | 471 |
| 797 | Muscles | 20 | 667 | 292 | 372 |
| 798 | Qualitative Research | 53 | 664 | 22 | 106 |
| 799 | Ultrasonics | 21 | 663 | 275 | 334 |
| 800 | Public Relations | 43 | 661 | 25 | 65 |
| 801 | Stochastic Processes | 22 | 656 | 207 | 100 |
| 801 | Sites | 18 | 656 | 173 | 205 |
| 803 | Chemical processes | 24 | 651 | 119 | 97 |
| 804 | feeding behavior | 19 | 650 | 248 | 252 |
| 805 | viral genetics | 8 | 649 | 237 | 347 |
| 805 | Kidney diseases | 28 | 649 | 240 | 350 |
| 807 | Atomic spectroscopy | 25 | 648 | 320 | 310 |
| 808 | Phonetics | 27 | 646 | 46 | 61 |
| 808 | environmental issues | 20 | 646 | 58 | 73 |
| 810 | Criminology | 53 | 644 | 149 | 255 |
| 810 | Feminism | 46 | 644 | 30 | 70 |
| 812 | mammals | 20 | 643 | 340 | 280 |
| 813 | Venture Capital | 11 | 641 | 68 | 218 |
| 814 | Appetite | 17 | 640 | 230 | 210 |
| 815 | international trade | 10 | 630 | 301 | 154 |
| 816 | European integration | 22 | 627 | 40 | 47 |
| 816 | Astrocytes | 15 | 627 | 159 | 260 |
| 816 | European Economic Community | 22 | 627 | 40 | 47 |
| 819 | particle beams | 19 | 626 | 56 | 31 |
| 820 | Radio | 24 | 625 | 212 | 144 |
| 821 | molecular design | 17 | 617 | 49 | 64 |
| 822 | Multivariate Analysis | 5 | 613 | 403 | 115 |
| 823 | Eating Disorders | 27 | 612 | 240 | 334 |
| 824 | Agricultural systems | 7 | 610 | 206 | 124 |
| 825 | cell adhesion molecules | 19 | 606 | 91 | 107 |
| 826 | Health Services Administration | 23 | 605 | 276 | 330 |
| 826 | heredity | 20 | 605 | 175 | 155 |
| 828 | Bilingualism | 15 | 597 | 38 | 42 |
| 828 | Cell survival | 6 | 597 | 94 | 38 |
| 828 | molecular chaperones | 6 | 597 | 117 | 39 |
| 831 | educational planning | 16 | 595 | 85 | 88 |
| 832 | Risk Management | 32 | 593 | 76 | 180 |
| 833 | adolescence | 12 | 590 | 442 | 383 |
| 834 | Contraception | 16 | 589 | 212 | 177 |
| 835 | Randomized Controlled Trials | 51 | 585 | 143 | 234 |
| 836 | Feeding and Eating Disorders | 26 | 581 | 230 | 329 |
| 837 | Anxiety Disorders | 9 | 578 | 301 | 319 |
| 837 | Anxiety | 9 | 578 | 299 | 319 |
| 837 | Parkinson's disease | 17 | 578 | 32 | 38 |
| 840 | natural disasters | 22 | 577 | 302 | 417 |
| 841 | Soil Mechanics | 14 | 573 | 543 | 460 |
| 841 | Drying | 33 | 573 | 28 | 66 |
| 843 | Biotransformation | 27 | 569 | 4 | 6 |
| 844 | Suicide | 30 | 567 | 73 | 148 |
| 845 | Parasites | 21 | 564 | 557 | 553 |
| 846 | Microcirculation | 30 | 563 | 44 | 112 |
| 847 | Nutrition physiology | 12 | 561 | 324 | 270 |
| 848 | Energy Harvesting | 12 | 560 | 186 | 301 |
| 849 | California | 16 | 553 | 162 | 116 |
| 850 | Forensic Psychiatry | 21 | 552 | 139 | 117 |
| 850 | Happiness | 13 | 552 | 71 | 77 |
| 852 | Protein engineering | 14 | 548 | 62 | 79 |
| 853 | Morphology | 34 | 547 | 120 | 188 |
| 853 | counseling | 23 | 547 | 454 | 474 |
| 855 | Uncertainty | 9 | 546 | 50 | 43 |
| 856 | Criminal psychology | 17 | 545 | 290 | 268 |
| 856 | solar cells | 17 | 545 | 266 | 381 |
| 858 | Neuromuscular diseases | 17 | 544 | 259 | 276 |
| 859 | local government | 21 | 536 | 54 | 57 |
| 860 | Algorithms | 19 | 535 | 152 | 126 |
| 861 | Adolescent Psychology | 20 | 534 | 260 | 364 |
| 862 | Nonlinear functional analysis | 22 | 533 | 331 | 283 |
| 863 | Tropical Medicine | 24 | 527 | 596 | 599 |
| 864 | X-ray crystallography | 38 | 524 | 87 | 131 |
| 864 | Consumer education | 7 | 524 | 148 | 83 |
| 866 | gene transfer | 13 | 523 | 57 | 44 |
| 866 | genetic transformation | 13 | 523 | 57 | 44 |
| 868 | Information Science | 30 | 521 | 635 | 1030 |
| 869 | Chronic diseases | 23 | 520 | 217 | 458 |
| 870 | Patient education | 20 | 519 | 199 | 284 |
| 871 | Calorimetry | 24 | 518 | 230 | 195 |
| 871 | Thermal analysis | 24 | 518 | 230 | 195 |
| 873 | Radiation Oncology | 18 | 515 | 83 | 90 |
| 874 | Blood vessels | 26 | 514 | 27 | 72 |
| 874 | child abuse | 12 | 514 | 403 | 392 |
| 876 | Socialization | 9 | 512 | 258 | 220 |
| 877 | Mobile Computing | 5 | 510 | 972 | 217 |
| 878 | Birth control | 15 | 500 | 150 | 151 |
| 879 | Flow cytometry | 21 | 499 | 54 | 114 |
| 880 | Zeolites | 12 | 498 | 398 | 368 |
| 880 | sustainable growth | 8 | 498 | 1 | 3 |
| 882 | Law | 33 | 497 | 391 | 190 |
| 883 | Municipal Engineering | 33 | 496 | 6 | 32 |
| 884 | Music | 20 | 495 | 241 | 152 |
| 885 | Social Choice Theory | 10 | 493 | 75 | 18 |
| 886 | Environmental risk assessment | 6 | 492 | 249 | 72 |
| 887 | Transportation Engineering | 12 | 491 | 113 | 86 |
| 888 | Neuroanatomy | 9 | 488 | 65 | 38 |
| 889 | biological invasions | 11 | 487 | 267 | 212 |
| 890 | solar power | 14 | 485 | 261 | 370 |
| 890 | Travel | 21 | 485 | 201 | 167 |
| 892 | Differential Equations | 12 | 484 | 490 | 260 |
| 893 | natural products | 29 | 483 | 458 | 624 |
| 894 | women | 19 | 481 | 204 | 94 |
| 895 | locomotion | 18 | 480 | 219 | 241 |
| 895 | posture | 18 | 480 | 219 | 241 |
| 895 | gait | 18 | 480 | 219 | 241 |
| 895 | walking | 18 | 480 | 219 | 241 |
| 899 | Development Economics | 14 | 478 | 103 | 140 |
| 900 | environmental control | 3 | 474 | 248 | 57 |
| 901 | Plastics | 16 | 472 | 750 | 548 |
| 901 | Quantum theory | 19 | 472 | 293 | 288 |
| 903 | Social History | 34 | 468 | 57 | 48 |
| 903 | Exercise | 25 | 468 | 377 | 480 |
| 905 | Systems Engineering | 14 | 467 | 991 | 648 |
| 905 | Quantum Optics | 18 | 467 | 306 | 277 |
| 905 | Laser Spectroscopy | 18 | 467 | 266 | 246 |
| 908 | Plant Taxonomy | 14 | 466 | 176 | 134 |
| 908 | Consciousness | 17 | 466 | 91 | 141 |
| 908 | Investments | 12 | 466 | 173 | 75 |
| 911 | Lipid | 15 | 465 | 92 | 183 |
| 912 | Molecular Pharmacology | 15 | 462 | 282 | 446 |
| 912 | children | 21 | 462 | 131 | 210 |
| 914 | hospice care | 27 | 460 | 68 | 87 |
| 914 | particle accelerators | 16 | 460 | 44 | 38 |
| 916 | General Surgery | 55 | 458 | 116 | 232 |
| 917 | micromechanics | 13 | 457 | 218 | 176 |
| 918 | Classification | 1 | 456 | 644 | 92 |
| 919 | Probability | 23 | 455 | 120 | 228 |
| 919 | Radio wave propagation | 28 | 455 | 148 | 141 |
| 919 | Nutrigenomics | 16 | 455 | 10 | 28 |
| 922 | Radiation effects | 10 | 454 | 260 | 245 |
| 923 | Human Rights | 34 | 453 | 56 | 103 |
| 924 | Geometry | 38 | 452 | 241 | 201 |
| 925 | Wireless Communication | 5 | 451 | 330 | 41 |
| 926 | Voice Disorders | 41 | 449 | 2 | 5 |
| 927 | Semiotics | 38 | 444 | 16 | 13 |
| 928 | Structural dynamics | 25 | 442 | 303 | 508 |
| 929 | families | 30 | 440 | 170 | 246 |
| 929 | Radio waves | 21 | 440 | 73 | 48 |
| 931 | Earthquake Engineering | 23 | 439 | 464 | 600 |
| 932 | Methodology | 36 | 438 | 19 | 51 |
| 932 | Informatics | 15 | 438 | 282 | 367 |
| 934 | Turbulence | 19 | 437 | 39 | 43 |
| 935 | Emulsions | 45 | 436 | 17 | 37 |
| 936 | Endocrine glands | 7 | 434 | 136 | 221 |
| 937 | Sustainable agriculture | 19 | 432 | 186 | 276 |
| 938 | Growth factors | 4 | 428 | 244 | 177 |
| 939 | tomography | 15 | 425 | 117 | 97 |
| 940 | Product life cycle | 9 | 423 | 119 | 147 |
| 941 | Lipid metabolism | 13 | 422 | 118 | 202 |
| 942 | Crisis management | 21 | 421 | 6 | 19 |
| 943 | forest policy | 12 | 420 | 139 | 104 |
| 944 | Environmental Psychology | 16 | 419 | 57 | 198 |
| 944 | Forecasting | 10 | 419 | 201 | 183 |
| 944 | Antibacterial agents | 13 | 419 | 241 | 321 |
| 947 | Demographic research | 12 | 412 | 46 | 87 |
| 948 | Diplomatic relations | 26 | 410 | 162 | 61 |
| 949 | Otolaryngology | 15 | 409 | 271 | 278 |
| 949 | water supply | 17 | 409 | 373 | 573 |
| 951 | Image Processing | 29 | 406 | 525 | 1009 |
| 952 | Simulation | 2 | 405 | 319 | 39 |
| 952 | theoretical models | 2 | 405 | 319 | 39 |
| 952 | Methods | 33 | 405 | 3 | 4 |
| 955 | Brain damage | 12 | 404 | 155 | 168 |
| 956 | Particle Physics | 19 | 402 | 237 | 241 |
| 957 | visualization | 61 | 400 | 175 | 290 |
| 957 | health services | 19 | 400 | 366 | 414 |
| 959 | drug evaluation | 13 | 399 | 590 | 511 |
| 960 | Nanochemistry | 25 | 397 | 204 | 291 |
| 960 | Smoking | 9 | 397 | 487 | 441 |
| 960 | ovary | 13 | 397 | 40 | 30 |
| 963 | Political Ecology | 13 | 396 | 3 | 1 |
| 963 | Personality Assessment | 12 | 396 | 246 | 321 |
| 965 | Edible plants | 7 | 395 | 80 | 47 |
| 965 | bats | 9 | 395 | 40 | 11 |
| 965 | Extreme environments | 12 | 395 | 46 | 75 |
| 968 | role | 7 | 394 | 252 | 207 |
| 969 | hygiene | 20 | 391 | 101 | 147 |
| 970 | emergency management | 30 | 390 | 83 | 257 |
| 970 | space environment | 2 | 390 | 356 | 94 |
| 972 | Sea | 11 | 388 | 243 | 250 |
| 972 | Fishery resources | 11 | 388 | 280 | 271 |
| 974 | Structural Engineering | 24 | 386 | 585 | 702 |
| 974 | Human-Computer Interaction | 29 | 386 | 269 | 592 |
| 974 | Molecular Spectroscopy | 19 | 386 | 675 | 768 |
| 977 | Requirements Engineering | 9 | 385 | 11 | 15 |
| 978 | Maternal health services | 4 | 384 | 412 | 138 |
| 979 | complementary therapies | 22 | 383 | 615 | 795 |
| 979 | crime | 39 | 383 | 109 | 235 |
| 981 | Familial diseases | 19 | 382 | 37 | 56 |
| 982 | Intellectual disability | 28 | 381 | 216 | 375 |
| 983 | Wildlife management | 12 | 379 | 290 | 211 |
| 983 | Gender identity | 15 | 379 | 45 | 26 |
| 985 | Political Geography | 22 | 378 | 41 | 95 |
| 985 | Cosmochemistry | 12 | 378 | 455 | 512 |
| 987 | Bacterial diseases | 5 | 376 | 141 | 65 |
| 988 | Depression | 3 | 373 | 411 | 306 |
| 988 | Magnetic Materials | 24 | 373 | 473 | 772 |
| 990 | Pharmacognosy | 16 | 372 | 809 | 1121 |
| 990 | Political Sociology | 20 | 372 | 94 | 157 |
| 990 | internet | 20 | 372 | 325 | 421 |
| 993 | Elderly | 65 | 371 | 211 | 285 |
| 993 | Cytokine | 6 | 371 | 267 | 253 |
| 995 | disease vectors | 14 | 369 | 410 | 467 |
| 996 | Financial management | 16 | 368 | 127 | 277 |
| 996 | traffic safety | 11 | 368 | 102 | 62 |
| 998 | Marine Pollution | 9 | 367 | 728 | 747 |
| 998 | Androgens | 15 | 367 | 54 | 125 |
| 998 | body temperature | 16 | 367 | 79 | 101 |