| 1 | Science | 3,154 | 286.3K | 66 | 78 |
| 2 | Biology | 2,568 | 259.4K | 93 | 86 |
| 3 | Physics | 2,780 | 252.8K | 127 | 111 |
| 4 | Biochemistry | 4,105 | 214.5K | 42 | 38 |
| 5 | Medicine | 2,554 | 177.6K | 87 | 73 |
| 6 | Molecular Biology | 1,817 | 139.1K | 93 | 81 |
| 7 | Neurology | 1,612 | 133.1K | 83 | 71 |
| 8 | Chemistry | 2,044 | 130.5K | 171 | 169 |
| 9 | Natural history | 459 | 129.1K | 102 | 83 |
| 10 | Ecology | 1,788 | 126.8K | 33 | 38 |
| 11 | Microbiology | 2,099 | 121.2K | 24 | 41 |
| 12 | Research | 2,545 | 107.1K | 46 | 43 |
| 13 | Biotechnology | 1,535 | 106.0K | 19 | 14 |
| 14 | Human genetics | 273 | 104.4K | 90 | 46 |
| 15 | Environment | 846 | 84.4K | 43 | 19 |
| 16 | Physiology | 2,033 | 84.2K | 7 | 16 |
| 17 | Nuclear Physics | 2,129 | 74.6K | 65 | 87 |
| 18 | Astrophysics | 681 | 63.1K | 211 | 174 |
| 19 | Astronomy | 672 | 60.4K | 179 | 131 |
| 20 | Cytology | 825 | 55.8K | 86 | 120 |
| 21 | Pollution | 665 | 53.1K | 90 | 59 |
| 22 | Bioengineering | 725 | 51.1K | 29 | 46 |
| 23 | Diabetes | 659 | 48.3K | 6 | 8 |
| 24 | Nanotechnology | 934 | 48.1K | 86 | 115 |
| 25 | Immunology | 1,011 | 48.1K | 29 | 68 |
| 26 | Cell Biology | 686 | 48.0K | 94 | 129 |
| 27 | Biophysics | 1,167 | 45.4K | 64 | 69 |
| 28 | Diabetes mellitus | 590 | 45.3K | 8 | 11 |
| 29 | Analytical Chemistry | 668 | 39.6K | 58 | 21 |
| 30 | Environmental Health | 743 | 39.5K | 56 | 71 |
| 31 | Brain | 508 | 38.6K | 53 | 30 |
| 32 | Cancer | 760 | 38.5K | 43 | 57 |
| 33 | Condensed Matter | 919 | 36.8K | 96 | 101 |
| 34 | Neurophysiology | 439 | 35.7K | 101 | 81 |
| 35 | Solid State Physics | 942 | 33.5K | 103 | 104 |
| 36 | Botany | 634 | 33.4K | 85 | 88 |
| 37 | Colloids | 906 | 33.1K | 15 | 22 |
| 38 | Genetics | 322 | 33.1K | 174 | 124 |
| 39 | Pathology | 948 | 32.9K | 6 | 10 |
| 40 | Geophysics | 434 | 31.7K | 201 | 98 |
| 41 | Public Health | 697 | 31.6K | 121 | 115 |
| 42 | Biodiversity conservation | 208 | 31.6K | 31 | 11 |
| 43 | soil microbiology | 293 | 30.7K | 14 | 9 |
| 44 | Hematology | 607 | 30.3K | 75 | 76 |
| 45 | Endocrinology | 496 | 29.9K | 99 | 111 |
| 46 | Biomedical Engineering | 673 | 29.9K | 66 | 47 |
| 47 | Soil biology | 261 | 29.8K | 5 | 2 |
| 48 | Technology | 581 | 29.3K | 40 | 17 |
| 49 | Surface Chemistry | 755 | 29.1K | 25 | 21 |
| 50 | Climate change | 153 | 27.7K | 18 | 9 |
| 51 | Eutrophication | 150 | 27.6K | 18 | 9 |
| 52 | Pharmacology | 848 | 27.6K | 108 | 127 |
| 53 | Nutrition | 514 | 27.5K | 59 | 51 |
| 54 | Orthopedics | 577 | 27.1K | 3 | 3 |
| 55 | Microbial Ecology | 276 | 27.1K | 47 | 49 |
| 56 | Medical genetics | 331 | 27.0K | 109 | 94 |
| 57 | Neurochemistry | 393 | 26.6K | 43 | 26 |
| 58 | Metabolism | 518 | 26.2K | 59 | 95 |
| 59 | Environmental Policy | 330 | 25.4K | 33 | 27 |
| 60 | Epidemiology | 627 | 25.1K | 54 | 63 |
| 61 | Europe | 734 | 25.0K | 13 | 7 |
| 62 | Metabolic diseases | 362 | 23.9K | 69 | 81 |
| 63 | Biomass Energy | 244 | 23.4K | 38 | 18 |
| 64 | Psychiatry | 544 | 23.0K | 128 | 155 |
| 65 | Biochemical Engineering | 285 | 23.0K | 110 | 108 |
| 66 | miniaturization | 265 | 22.4K | 40 | 41 |
| 67 | Histology | 407 | 21.4K | 10 | 9 |
| 68 | Immunity | 312 | 21.0K | 43 | 99 |
| 69 | Surgery | 303 | 20.7K | 41 | 77 |
| 70 | Psychology | 652 | 20.2K | 132 | 175 |
| 71 | Nervous system | 243 | 20.0K | 87 | 71 |
| 72 | Economics | 433 | 20.0K | 135 | 98 |
| 73 | Evolution | 302 | 19.8K | 33 | 53 |
| 74 | Atmospheric Physics | 247 | 19.6K | 68 | 46 |
| 75 | biological evolution | 236 | 19.6K | 71 | 78 |
| 76 | Atmospheric Chemistry | 231 | 19.2K | 35 | 32 |
| 77 | management | 267 | 19.1K | 108 | 146 |
| 78 | Microelectronics | 269 | 18.7K | 44 | 42 |
| 79 | Earth Sciences | 251 | 18.4K | 106 | 64 |
| 80 | Virology | 215 | 18.3K | 201 | 204 |
| 81 | Polymers | 477 | 18.1K | 206 | 182 |
| 82 | Materials | 378 | 17.8K | 449 | 384 |
| 83 | Regional Planning | 239 | 17.8K | 15 | 3 |
| 84 | Meteorology | 285 | 17.7K | 96 | 88 |
| 85 | Telecommunication | 192 | 17.4K | 157 | 74 |
| 86 | Sustainable Development | 171 | 16.7K | 10 | 6 |
| 87 | Clinical Laboratory Science | 402 | 16.7K | 3 | 1 |
| 88 | Industrial Microbiology | 226 | 16.5K | 13 | 3 |
| 89 | Diet | 210 | 16.3K | 62 | 42 |
| 90 | Medical Laboratory Science | 280 | 16.2K | 19 | 27 |
| 91 | Geology | 336 | 16.0K | 154 | 128 |
| 92 | Alzheimer's disease | 451 | 15.3K | 31 | 27 |
| 93 | Neurobiology | 195 | 15.2K | 87 | 73 |
| 94 | Animal Behavior | 337 | 15.2K | 50 | 67 |
| 95 | Mental Disorders | 388 | 15.0K | 74 | 116 |
| 96 | Biodiversity | 270 | 15.0K | 13 | 20 |
| 97 | environmental pollution | 334 | 14.9K | 132 | 143 |
| 98 | Analytical Biochemistry | 124 | 14.9K | 33 | 13 |
| 99 | Catalysis | 446 | 14.6K | 141 | 239 |
| 100 | Physical Chemistry | 272 | 14.6K | 38 | 45 |
| 101 | Toxicology | 411 | 14.5K | 116 | 122 |
| 102 | Medical Microbiology | 350 | 14.5K | 20 | 65 |
| 103 | Spectrum analysis | 368 | 14.5K | 262 | 354 |
| 104 | enzymes | 238 | 14.4K | 7 | 4 |
| 105 | Environmental Engineering | 214 | 14.0K | 159 | 142 |
| 106 | Chemical Engineering | 336 | 13.9K | 283 | 284 |
| 107 | Clinical Chemistry | 285 | 13.8K | 74 | 53 |
| 108 | Energy Policy | 192 | 13.0K | 72 | 48 |
| 109 | Environmental monitoring | 249 | 13.0K | 82 | 83 |
| 110 | Pharmaceutical Chemistry | 256 | 12.9K | 191 | 138 |
| 111 | Biogeochemistry | 225 | 12.9K | 9 | 17 |
| 112 | arthritis | 284 | 12.9K | 20 | 36 |
| 113 | Plant Ecology | 204 | 12.5K | 30 | 27 |
| 114 | Electrochemistry | 364 | 12.4K | 208 | 129 |
| 115 | Optics | 410 | 12.3K | 231 | 163 |
| 116 | Economic History | 284 | 12.3K | 68 | 33 |
| 117 | Water pollution | 246 | 12.2K | 66 | 80 |
| 118 | Combustion | 355 | 12.1K | 16 | 28 |
| 119 | Bacteriology | 201 | 12.0K | 80 | 92 |
| 120 | Statistics | 141 | 12.0K | 235 | 87 |
| 121 | United Kingdom | 194 | 11.9K | 44 | 29 |
| 122 | Signal Processing | 204 | 11.7K | 160 | 121 |
| 123 | Psychophysiology | 216 | 11.7K | 237 | 201 |
| 124 | Enzyme | 122 | 11.5K | 1 | 1 |
| 125 | Climatology | 161 | 11.5K | 104 | 75 |
| 126 | nanoscience | 225 | 11.5K | 126 | 165 |
| 127 | polymerization | 249 | 11.2K | 308 | 208 |
| 128 | Obstetrics | 251 | 11.2K | 105 | 74 |
| 129 | Membranes | 194 | 11.1K | 67 | 52 |
| 130 | Immune system | 208 | 11.1K | 15 | 77 |
| 131 | Mathematical Physics | 119 | 11.1K | 360 | 109 |
| 132 | Electronics | 226 | 11.1K | 205 | 122 |
| 133 | Leukemia | 121 | 11.1K | 45 | 39 |
| 134 | Water | 188 | 11.1K | 111 | 121 |
| 135 | Geriatrics | 305 | 11.0K | 107 | 107 |
| 136 | Molecular Genetics | 173 | 11.0K | 62 | 63 |
| 137 | Aging | 279 | 10.6K | 113 | 113 |
| 138 | Ethology | 211 | 10.4K | 63 | 80 |
| 139 | Sports Medicine | 132 | 10.4K | 198 | 71 |
| 140 | Biocompatible Materials | 221 | 10.4K | 296 | 334 |
| 141 | Genetic engineering | 124 | 10.4K | 90 | 35 |
| 142 | Geography | 217 | 10.4K | 85 | 60 |
| 143 | transport vesicles | 4 | 10.2K | 146 | 115 |
| 144 | Medical Physics | 252 | 10.1K | 61 | 54 |
| 145 | Molecular ecology | 138 | 10.0K | 24 | 35 |
| 146 | Dementia | 371 | 9.9K | 33 | 36 |
| 147 | Statistical physics | 388 | 9.9K | 196 | 235 |
| 148 | Tourism | 105 | 9.9K | 88 | 37 |
| 149 | Sociology | 269 | 9.9K | 107 | 131 |
| 150 | Radio | 132 | 9.8K | 103 | 66 |
| 151 | Wireless Communication Systems | 132 | 9.8K | 189 | 90 |
| 152 | rehabilitation | 285 | 9.7K | 45 | 51 |
| 153 | Social Sciences | 213 | 9.7K | 146 | 66 |
| 154 | proteins | 287 | 9.7K | 21 | 54 |
| 155 | Urology | 197 | 9.6K | 84 | 67 |
| 156 | Diagnostic Imaging | 224 | 9.5K | 41 | 40 |
| 157 | Pediatrics | 174 | 9.5K | 164 | 144 |
| 158 | Cell differentiation | 127 | 9.4K | 122 | 139 |
| 159 | Materials Science | 246 | 9.3K | 341 | 373 |
| 160 | Molecular evolution | 139 | 8.9K | 51 | 66 |
| 161 | Population Genetics | 137 | 8.9K | 36 | 49 |
| 162 | Oncology | 138 | 8.8K | 130 | 205 |
| 163 | Environmental Management | 152 | 8.6K | 93 | 75 |
| 164 | environmental protection | 183 | 8.5K | 107 | 101 |
| 165 | Cardiovascular system | 106 | 8.5K | 164 | 167 |
| 166 | Therapeutics | 241 | 8.4K | 36 | 60 |
| 167 | Developmental Biology | 129 | 8.4K | 180 | 176 |
| 168 | Molecular Microbiology | 88 | 8.2K | 46 | 35 |
| 169 | energy resources | 102 | 8.2K | 30 | 34 |
| 170 | Nanostructured Materials | 231 | 8.0K | 163 | 214 |
| 171 | Hypertension | 132 | 8.0K | 130 | 156 |
| 172 | Paleontology | 153 | 8.0K | 53 | 13 |
| 173 | Primary health care | 343 | 7.9K | 15 | 23 |
| 174 | Behavior | 134 | 7.9K | 313 | 282 |
| 175 | Biogeography | 78 | 7.8K | 41 | 17 |
| 176 | Obesity | 179 | 7.8K | 92 | 102 |
| 177 | Thrombosis | 211 | 7.8K | 15 | 27 |
| 178 | Mathematics | 483 | 7.8K | 349 | 299 |
| 179 | Diagnostic microbiology | 77 | 7.6K | 81 | 56 |
| 180 | Physical Therapy | 137 | 7.6K | 60 | 44 |
| 181 | Plant physiology | 221 | 7.6K | 58 | 147 |
| 182 | drug therapy | 189 | 7.5K | 110 | 95 |
| 183 | Pediatric Neurology | 33 | 7.5K | 199 | 93 |
| 184 | Neuropsychology | 202 | 7.5K | 106 | 119 |
| 184 | Human Geography | 144 | 7.5K | 46 | 32 |
| 186 | Occupational Therapy | 308 | 7.5K | 8 | 3 |
| 187 | human behavior | 98 | 7.4K | 262 | 214 |
| 188 | organization | 86 | 7.4K | 30 | 52 |
| 189 | Immunotherapy | 101 | 7.4K | 123 | 111 |
| 190 | United States | 171 | 7.3K | 449 | 348 |
| 191 | Genomics | 175 | 7.3K | 157 | 154 |
| 192 | Animal ecology | 175 | 7.3K | 23 | 32 |
| 193 | Molecular structure | 125 | 7.2K | 108 | 93 |
| 194 | Planets | 94 | 7.2K | 230 | 155 |
| 195 | Environmental Chemistry | 173 | 7.1K | 38 | 145 |
| 196 | Histochemistry | 99 | 6.9K | 18 | 4 |
| 197 | Quantum Gravity | 168 | 6.9K | 353 | 330 |
| 198 | energy conservation | 98 | 6.9K | 135 | 118 |
| 199 | Environmental Toxicology | 97 | 6.9K | 131 | 79 |
| 200 | Rheumatology | 129 | 6.8K | 41 | 50 |
| 201 | Medical Anthropology | 102 | 6.8K | 86 | 72 |
| 202 | Biosensors | 109 | 6.8K | 44 | 34 |
| 203 | Nuclear Medicine | 118 | 6.7K | 44 | 26 |
| 203 | Proteome | 156 | 6.7K | 18 | 29 |
| 205 | Critical Care | 123 | 6.7K | 113 | 154 |
| 206 | Drug design | 39 | 6.7K | 180 | 9 |
| 207 | Electrochemical Analysis | 120 | 6.7K | 56 | 23 |
| 208 | Bioelectronics | 106 | 6.7K | 27 | 19 |
| 209 | Plants | 109 | 6.7K | 149 | 165 |
| 210 | Computational Biology | 128 | 6.6K | 177 | 189 |
| 211 | Quality of life | 94 | 6.6K | 45 | 33 |
| 212 | Cytogenetics | 93 | 6.6K | 105 | 125 |
| 213 | Software Engineering | 78 | 6.6K | 57 | 13 |
| 214 | Soil ecology | 73 | 6.6K | 23 | 8 |
| 215 | Radio waves | 108 | 6.5K | 73 | 39 |
| 216 | Paleoclimatology | 132 | 6.5K | 25 | 29 |
| 216 | Critical Care Medicine | 116 | 6.5K | 119 | 156 |
| 218 | Zoology | 209 | 6.5K | 86 | 84 |
| 219 | Marine Biology | 157 | 6.4K | 184 | 161 |
| 220 | global environmental change | 89 | 6.4K | 16 | 11 |
| 221 | Food | 117 | 6.4K | 236 | 149 |
| 222 | Nursing | 255 | 6.3K | 20 | 23 |
| 223 | city planning | 103 | 6.3K | 90 | 38 |
| 224 | Renewable Energy Sources | 71 | 6.3K | 292 | 250 |
| 225 | histological techniques | 69 | 6.2K | 17 | 8 |
| 226 | atmospheric models | 71 | 6.2K | 57 | 35 |
| 227 | Stem cells | 172 | 6.2K | 41 | 57 |
| 228 | Artificial Intelligence | 87 | 6.1K | 510 | 251 |
| 229 | Clinical Pharmacology | 170 | 6.1K | 31 | 22 |
| 230 | Ophthalmology | 183 | 6.1K | 98 | 121 |
| 231 | biofuels | 63 | 6.1K | 1 | 1 |
| 232 | Homeostasis | 26 | 6.0K | 64 | 60 |
| 232 | Cell metabolism | 27 | 6.0K | 88 | 60 |
| 234 | Land Use Planning | 50 | 6.0K | 13 | 4 |
| 235 | Embryology | 100 | 6.0K | 160 | 154 |
| 236 | Oceanography | 128 | 6.0K | 159 | 147 |
| 237 | Allergy | 53 | 5.9K | 158 | 140 |
| 238 | Molecules | 203 | 5.9K | 25 | 43 |
| 239 | Radiation | 209 | 5.9K | 26 | 37 |
| 240 | Perception | 220 | 5.8K | 82 | 118 |
| 241 | ecosystem | 97 | 5.8K | 45 | 48 |
| 242 | Bioenergetics | 117 | 5.7K | 21 | 22 |
| 243 | Molecular Imaging | 69 | 5.6K | 53 | 27 |
| 244 | Psychopharmacology | 169 | 5.6K | 65 | 132 |
| 245 | Memory | 210 | 5.5K | 82 | 134 |
| 246 | Entomology | 174 | 5.5K | 96 | 75 |
| 247 | Cognition | 166 | 5.5K | 114 | 163 |
| 248 | Respiration | 117 | 5.5K | 95 | 97 |
| 249 | Attention | 212 | 5.4K | 68 | 87 |
| 250 | Parasitic Diseases | 101 | 5.4K | 102 | 68 |
| 251 | Cardiovascular diseases | 181 | 5.4K | 36 | 51 |
| 252 | Water quality management | 173 | 5.4K | 25 | 19 |
| 253 | Anatomy | 100 | 5.4K | 199 | 171 |
| 254 | Visual Perception | 205 | 5.4K | 67 | 85 |
| 255 | Biomass | 50 | 5.4K | 16 | 5 |
| 256 | Reproduction | 169 | 5.3K | 132 | 148 |
| 257 | coal | 127 | 5.3K | 68 | 62 |
| 258 | Social behavior | 86 | 5.3K | 77 | 64 |
| 259 | Plant diseases | 83 | 5.3K | 209 | 91 |
| 260 | freshwater biology | 76 | 5.2K | 17 | 9 |
| 261 | Environmental Economics | 48 | 5.2K | 4 | 3 |
| 262 | Waste management | 178 | 5.2K | 11 | 9 |
| 263 | gene mapping | 87 | 5.2K | 146 | 142 |
| 264 | sanitation | 63 | 5.2K | 213 | 213 |
| 265 | Sports | 90 | 5.2K | 231 | 102 |
| 266 | Wildlife conservation | 92 | 5.1K | 55 | 59 |
| 267 | Automation | 92 | 5.1K | 265 | 238 |
| 268 | Environmental Law | 73 | 5.1K | 54 | 55 |
| 269 | Disease | 12 | 5.1K | 69 | 79 |
| 270 | Engineering | 168 | 5.1K | 270 | 189 |
| 271 | Developing countries | 168 | 5.1K | 67 | 92 |
| 272 | Forest Ecology | 82 | 5.0K | 80 | 43 |
| 273 | Immunochemistry | 111 | 5.0K | 10 | 5 |
| 274 | diseases | 10 | 5.0K | 94 | 80 |
| 275 | Hazardous waste | 44 | 5.0K | 44 | 11 |
| 275 | Agriculture | 92 | 5.0K | 163 | 108 |
| 277 | industrial waste | 43 | 5.0K | 36 | 11 |
| 278 | radioactive waste | 42 | 5.0K | 32 | 11 |
| 279 | Mental illness | 114 | 5.0K | 147 | 198 |
| 280 | Plant cells | 52 | 4.9K | 212 | 221 |
| 281 | Organic Chemistry | 133 | 4.9K | 314 | 276 |
| 282 | Scandinavia | 303 | 4.8K | 9 | 11 |
| 283 | Chemical Ecology | 121 | 4.8K | 9 | 11 |
| 284 | Paleoecology | 104 | 4.8K | 34 | 31 |
| 285 | Virulence | 53 | 4.8K | 140 | 114 |
| 286 | Health | 139 | 4.8K | 117 | 114 |
| 287 | protein | 135 | 4.8K | 34 | 71 |
| 288 | nuclear magnetic resonance | 121 | 4.8K | 58 | 39 |
| 289 | Forest Management | 71 | 4.8K | 88 | 47 |
| 290 | Water Purification | 146 | 4.7K | 10 | 9 |
| 291 | pain | 116 | 4.7K | 80 | 118 |
| 292 | Energy metabolism | 83 | 4.7K | 38 | 34 |
| 293 | Econometrics | 92 | 4.7K | 97 | 107 |
| 294 | Hemophilia | 186 | 4.6K | 2 | 6 |
| 295 | Lipids | 119 | 4.6K | 27 | 76 |
| 296 | Combinatorial chemistry | 48 | 4.6K | 68 | 36 |
| 297 | plant communities | 84 | 4.6K | 63 | 81 |
| 298 | Entrepreneurship | 60 | 4.6K | 22 | 80 |
| 299 | Regional Economics | 74 | 4.6K | 2 | 2 |
| 300 | Neurons | 25 | 4.5K | 148 | 171 |
| 301 | Bioorganic chemistry | 101 | 4.5K | 283 | 243 |
| 302 | collagen | 55 | 4.5K | 7 | 3 |
| 303 | Birds | 165 | 4.5K | 32 | 29 |
| 304 | pheromones | 111 | 4.5K | 10 | 11 |
| 305 | Medical Oncology | 93 | 4.4K | 171 | 156 |
| 306 | Research Design | 87 | 4.4K | 74 | 81 |
| 307 | cell membrane | 83 | 4.4K | 38 | 34 |
| 308 | Parasitology | 64 | 4.4K | 301 | 99 |
| 309 | Liver diseases | 67 | 4.4K | 189 | 218 |
| 310 | plant molecular biology | 54 | 4.4K | 242 | 229 |
| 311 | Economic Development | 98 | 4.4K | 84 | 108 |
| 312 | Soil fertility | 28 | 4.4K | 27 | 5 |
| 313 | Information Theory | 125 | 4.4K | 71 | 92 |
| 314 | Magnetic Resonance Spectroscopy | 111 | 4.4K | 63 | 39 |
| 315 | Hydrology | 144 | 4.3K | 146 | 201 |
| 316 | occupational diseases | 100 | 4.3K | 21 | 23 |
| 317 | Agricultural Ecology | 64 | 4.3K | 72 | 65 |
| 318 | Public Administration | 68 | 4.2K | 143 | 61 |
| 319 | biopolymers | 152 | 4.2K | 25 | 47 |
| 320 | Soft Condensed Matter | 155 | 4.2K | 23 | 52 |
| 321 | Extracellular matrix | 47 | 4.1K | 8 | 3 |
| 322 | Electrophysiology | 195 | 4.1K | 11 | 17 |
| 323 | vascular diseases | 57 | 4.1K | 71 | 56 |
| 324 | Economic Geography | 40 | 4.1K | 18 | 5 |
| 325 | Chromatographic analysis | 133 | 4.1K | 53 | 27 |
| 326 | mass transfer | 117 | 4.1K | 94 | 126 |
| 327 | Nonlinear Dynamics | 111 | 4.1K | 252 | 200 |
| 328 | Mycology | 82 | 4.0K | 141 | 97 |
| 329 | Europa | 79 | 4.0K | 4 | 4 |
| 330 | infection | 84 | 4.0K | 121 | 103 |
| 331 | Oncogenes | 58 | 3.9K | 151 | 165 |
| 332 | Agricultural Chemistry | 68 | 3.9K | 285 | 179 |
| 333 | Business | 66 | 3.9K | 274 | 290 |
| 334 | Cognitive Science | 88 | 3.9K | 85 | 140 |
| 335 | food technology | 106 | 3.9K | 218 | 197 |
| 336 | Speech Disorders | 116 | 3.9K | 78 | 68 |
| 337 | Growth | 55 | 3.9K | 179 | 196 |
| 338 | Photonics | 89 | 3.8K | 232 | 248 |
| 339 | psychotherapy | 150 | 3.8K | 51 | 152 |
| 340 | Geochemistry | 99 | 3.8K | 289 | 310 |
| 341 | Communication | 96 | 3.8K | 181 | 177 |
| 342 | Infections | 79 | 3.8K | 64 | 81 |
| 343 | Proteomics | 91 | 3.8K | 24 | 51 |
| 344 | Insects | 100 | 3.8K | 58 | 52 |
| 345 | Host-parasite interactions | 45 | 3.7K | 178 | 184 |
| 346 | Heat Exchangers | 88 | 3.7K | 64 | 51 |
| 347 | Comparative Physiology | 90 | 3.7K | 37 | 35 |
| 348 | Chromosome mapping | 75 | 3.7K | 138 | 144 |
| 349 | Genetic regulation | 77 | 3.7K | 65 | 122 |
| 349 | disease outbreaks | 79 | 3.7K | 16 | 20 |
| 351 | Hemostasis | 155 | 3.7K | 6 | 9 |
| 352 | Public Policy | 147 | 3.7K | 59 | 92 |
| 353 | Epidemics | 78 | 3.7K | 15 | 20 |
| 354 | Autoimmunity | 74 | 3.7K | 26 | 39 |
| 355 | Ornithology | 139 | 3.7K | 24 | 22 |
| 356 | Occupational Health | 127 | 3.7K | 20 | 24 |
| 357 | Synchrotron Radiation | 122 | 3.7K | 4 | 5 |
| 358 | Fungi | 66 | 3.7K | 93 | 73 |
| 359 | Numerical Analysis | 173 | 3.6K | 50 | 76 |
| 360 | environmental exposure | 102 | 3.6K | 67 | 73 |
| 361 | Chromatography | 127 | 3.6K | 37 | 28 |
| 362 | Transplantation | 80 | 3.6K | 111 | 128 |
| 363 | Bioinorganic chemistry | 110 | 3.6K | 54 | 40 |
| 364 | Small Business | 48 | 3.5K | 32 | 69 |
| 365 | Electrophoresis | 96 | 3.5K | 70 | 54 |
| 366 | Liposomes | 55 | 3.5K | 11 | 20 |
| 367 | Political Science | 112 | 3.5K | 171 | 146 |
| 368 | Lipid bilayers | 54 | 3.5K | 7 | 20 |
| 369 | Inflammation | 81 | 3.5K | 21 | 34 |
| 370 | Child Development | 93 | 3.5K | 221 | 239 |
| 371 | Signal Transduction | 57 | 3.4K | 131 | 141 |
| 372 | viruses | 79 | 3.4K | 178 | 224 |
| 373 | Immunopathology | 96 | 3.4K | 84 | 96 |
| 374 | gene therapy | 74 | 3.4K | 67 | 90 |
| 375 | Pharmacy | 72 | 3.4K | 250 | 160 |
| 375 | starch | 52 | 3.4K | 5 | 1 |
| 377 | Thermodynamics | 115 | 3.4K | 29 | 13 |
| 378 | Spine | 43 | 3.4K | 88 | 65 |
| 379 | Hormones | 81 | 3.3K | 93 | 98 |
| 380 | Industrial Ecology | 26 | 3.3K | 13 | 4 |
| 381 | Antigens | 103 | 3.3K | 18 | 33 |
| 382 | disabilities | 87 | 3.2K | 23 | 16 |
| 383 | Medical innovations | 36 | 3.2K | 111 | 130 |
| 384 | Computational Chemistry | 35 | 3.2K | 48 | 65 |
| 384 | bioclimatology | 38 | 3.2K | 53 | 7 |
| 386 | Environmental pollutants | 123 | 3.2K | 76 | 154 |
| 387 | Bioinformatics | 74 | 3.2K | 222 | 261 |
| 388 | Health Policy | 93 | 3.1K | 216 | 187 |
| 389 | Carcinogenesis | 59 | 3.1K | 62 | 61 |
| 390 | Linguistics | 120 | 3.1K | 80 | 91 |
| 390 | Food Microbiology | 62 | 3.1K | 89 | 102 |
| 392 | Metallurgy | 56 | 3.0K | 404 | 276 |
| 393 | Thermochemistry | 85 | 3.0K | 15 | 11 |
| 394 | glycoproteins | 78 | 3.0K | 7 | 15 |
| 394 | Glycoconjugates | 78 | 3.0K | 7 | 15 |
| 394 | glycolipids | 78 | 3.0K | 7 | 15 |
| 397 | Control Theory | 45 | 3.0K | 355 | 142 |
| 398 | Nanoparticles | 58 | 3.0K | 209 | 167 |
| 399 | Solid State Chemistry | 141 | 3.0K | 183 | 198 |
| 400 | Health Services Research | 130 | 3.0K | 89 | 141 |
| 401 | weather | 30 | 2.9K | 33 | 5 |
| 402 | Climate | 29 | 2.9K | 48 | 20 |
| 403 | Gerontology | 121 | 2.9K | 158 | 155 |
| 404 | carcinogens | 50 | 2.9K | 79 | 61 |
| 405 | drug development | 31 | 2.9K | 124 | 130 |
| 406 | Green Chemistry | 70 | 2.9K | 188 | 257 |
| 407 | Light | 39 | 2.9K | 132 | 185 |
| 408 | Aerosols | 107 | 2.9K | 15 | 34 |
| 409 | alcoholism | 98 | 2.8K | 138 | 163 |
| 410 | Data Mining | 36 | 2.8K | 205 | 128 |
| 411 | medical education | 97 | 2.8K | 174 | 157 |
| 412 | drugs | 82 | 2.8K | 184 | 171 |
| 413 | Transportation | 71 | 2.8K | 224 | 182 |
| 414 | mutagens | 45 | 2.8K | 73 | 63 |
| 415 | Drug delivery systems | 18 | 2.8K | 512 | 153 |
| 416 | Environmental Microbiology | 50 | 2.8K | 136 | 173 |
| 417 | pollutants | 109 | 2.8K | 66 | 150 |
| 418 | Paleogeography | 72 | 2.8K | 52 | 74 |
| 418 | Cognitive neuroscience | 49 | 2.8K | 160 | 205 |
| 420 | Information Technology | 40 | 2.7K | 381 | 211 |
| 421 | Chromosomes | 63 | 2.7K | 61 | 55 |
| 422 | Respiratory system | 64 | 2.7K | 15 | 12 |
| 422 | data collection | 35 | 2.7K | 88 | 76 |
| 424 | Optical materials | 62 | 2.7K | 464 | 456 |
| 425 | Social Change | 28 | 2.7K | 124 | 52 |
| 426 | Autoantibodies | 66 | 2.7K | 14 | 27 |
| 426 | Autoimmune diseases | 66 | 2.7K | 19 | 28 |
| 428 | sustainability | 45 | 2.7K | 46 | 72 |
| 429 | older people | 89 | 2.7K | 162 | 87 |
| 430 | fuel cells | 54 | 2.6K | 151 | 200 |
| 431 | Photochemistry | 51 | 2.6K | 183 | 87 |
| 432 | Child | 98 | 2.6K | 229 | 233 |
| 433 | genome | 44 | 2.6K | 228 | 297 |
| 434 | Vaccines | 68 | 2.6K | 186 | 159 |
| 435 | Geriatric Psychiatry | 68 | 2.6K | 53 | 48 |
| 436 | Process Control | 49 | 2.6K | 52 | 89 |
| 437 | Biogeochemical cycles | 36 | 2.6K | 53 | 73 |
| 438 | Antibodies | 89 | 2.5K | 8 | 25 |
| 439 | Ventilation | 43 | 2.5K | 36 | 17 |
| 440 | calcification | 52 | 2.5K | 25 | 23 |
| 441 | Production Management | 51 | 2.5K | 113 | 187 |
| 442 | Health Education | 99 | 2.5K | 177 | 185 |
| 443 | Community Psychiatry | 58 | 2.5K | 89 | 90 |
| 444 | Organizational Sociology | 37 | 2.5K | 22 | 9 |
| 445 | Mental Health | 114 | 2.5K | 79 | 111 |
| 446 | Global Health | 83 | 2.5K | 45 | 34 |
| 447 | Radiology | 74 | 2.4K | 111 | 61 |
| 448 | Development | 52 | 2.4K | 56 | 70 |
| 449 | Education | 112 | 2.4K | 429 | 446 |
| 450 | Electrocardiography | 143 | 2.4K | 3 | 3 |
| 451 | Petrology | 54 | 2.4K | 198 | 184 |
| 452 | concrete | 47 | 2.4K | 122 | 152 |
| 453 | Genetic therapy | 65 | 2.3K | 94 | 126 |
| 454 | cloning | 62 | 2.3K | 20 | 73 |
| 455 | Mineralogy | 56 | 2.3K | 260 | 217 |
| 455 | indoor air pollution | 34 | 2.3K | 26 | 18 |
| 455 | Sick building syndrome | 34 | 2.3K | 26 | 18 |
| 458 | Yeast | 45 | 2.3K | 16 | 17 |
| 459 | Engineering Geology | 53 | 2.3K | 188 | 159 |
| 460 | Economic Assistance | 61 | 2.3K | 32 | 66 |
| 461 | Paleobotany | 36 | 2.3K | 6 | 2 |
| 461 | Vegetation dynamics | 36 | 2.3K | 6 | 2 |
| 463 | Bone diseases | 22 | 2.3K | 69 | 52 |
| 464 | personality | 55 | 2.3K | 246 | 300 |
| 465 | mutation | 23 | 2.3K | 104 | 35 |
| 466 | Cement | 42 | 2.3K | 68 | 96 |
| 467 | health planning | 66 | 2.3K | 195 | 125 |
| 468 | air quality management | 31 | 2.3K | 25 | 16 |
| 469 | Ecological Engineering | 14 | 2.3K | 139 | 15 |
| 470 | industrial hygiene | 99 | 2.3K | 20 | 12 |
| 471 | Neonatology | 48 | 2.2K | 25 | 14 |
| 472 | Philosophy | 236 | 2.2K | 57 | 96 |
| 473 | Nanostructures | 44 | 2.2K | 271 | 294 |
| 474 | Phylogeny | 38 | 2.2K | 104 | 88 |
| 475 | Soil Science | 70 | 2.2K | 204 | 235 |
| 476 | civil service | 11 | 2.2K | 137 | 18 |
| 477 | fertility | 49 | 2.2K | 144 | 154 |
| 478 | Language Disorders | 100 | 2.2K | 58 | 69 |
| 479 | actuators | 49 | 2.2K | 396 | 318 |
| 479 | transducers | 49 | 2.2K | 396 | 318 |
| 481 | administrative agencies | 13 | 2.2K | 86 | 9 |
| 482 | Manufacturing Processes | 107 | 2.2K | 195 | 291 |
| 483 | Archaeology | 99 | 2.2K | 115 | 126 |
| 484 | Microbial Biotechnology | 41 | 2.1K | 45 | 27 |
| 484 | Gene expression regulation | 54 | 2.1K | 75 | 133 |
| 486 | International Relations | 103 | 2.1K | 60 | 73 |
| 487 | Infertility | 46 | 2.1K | 135 | 143 |
| 488 | Ecosystem management | 40 | 2.1K | 52 | 45 |
| 489 | Geodynamics | 29 | 2.1K | 239 | 137 |
| 490 | health services accessibility | 58 | 2.1K | 68 | 57 |
| 491 | Ergonomics | 63 | 2.1K | 106 | 81 |
| 492 | Industrial Safety | 77 | 2.1K | 45 | 76 |
| 493 | risk factors | 56 | 2.1K | 42 | 48 |
| 494 | Systems Biology | 77 | 2.0K | 96 | 119 |
| 495 | Bones | 53 | 2.0K | 60 | 118 |
| 496 | Leadership | 32 | 2.0K | 36 | 67 |
| 497 | Magnetic Resonance Imaging | 75 | 2.0K | 20 | 35 |
| 498 | Recycling | 28 | 2.0K | 65 | 66 |
| 499 | world | 36 | 2.0K | 84 | 93 |
| 500 | Decision making | 52 | 2.0K | 151 | 161 |
| 501 | Microscopy | 55 | 2.0K | 119 | 97 |
| 502 | Chemical analysis | 36 | 2.0K | 124 | 50 |
| 503 | lasers | 40 | 2.0K | 459 | 219 |
| 504 | Energy Conversion | 38 | 2.0K | 233 | 340 |
| 505 | Crystallography | 125 | 2.0K | 59 | 102 |
| 506 | Learning | 48 | 1.9K | 210 | 235 |
| 507 | cell interaction | 34 | 1.9K | 121 | 76 |
| 508 | mathematical analysis | 103 | 1.9K | 264 | 199 |
| 509 | Immunogenetics | 52 | 1.9K | 42 | 39 |
| 510 | Demography | 65 | 1.9K | 44 | 63 |
| 510 | Psycholinguistics | 60 | 1.9K | 112 | 164 |
| 512 | Teratology | 18 | 1.9K | 54 | 18 |
| 513 | nucleic acids | 74 | 1.9K | 235 | 451 |
| 514 | Recombinant DNA | 53 | 1.9K | 143 | 157 |
| 515 | technology transfer | 24 | 1.9K | 8 | 6 |
| 516 | Adolescent Medicine | 15 | 1.9K | 165 | 112 |
| 517 | organizational effectiveness | 17 | 1.9K | 63 | 7 |
| 518 | Molecular cloning | 75 | 1.9K | 64 | 138 |
| 519 | Schizophrenia | 43 | 1.9K | 169 | 177 |
| 520 | Chemical industry | 31 | 1.8K | 247 | 47 |
| 521 | Genetic recombination | 47 | 1.8K | 135 | 136 |
| 522 | Metals | 23 | 1.8K | 673 | 370 |
| 523 | cell physiology | 37 | 1.8K | 305 | 329 |
| 524 | Psychiatric Epidemiology | 42 | 1.8K | 35 | 37 |
| 525 | Dermatology | 47 | 1.8K | 320 | 265 |
| 526 | Quality Control | 34 | 1.8K | 248 | 135 |
| 527 | Adolescent | 59 | 1.7K | 299 | 293 |
| 528 | Child psychology | 48 | 1.7K | 288 | 339 |
| 528 | Surface properties | 66 | 1.7K | 36 | 95 |
| 530 | Operations Research | 57 | 1.7K | 396 | 408 |
| 531 | Surface-Active Agents | 65 | 1.7K | 33 | 87 |
| 532 | Mechanics | 31 | 1.7K | 264 | 90 |
| 532 | software | 40 | 1.7K | 65 | 59 |
| 534 | Medical Imaging | 63 | 1.7K | 18 | 37 |
| 535 | innovation | 40 | 1.7K | 28 | 144 |
| 536 | Emergency Medicine | 74 | 1.7K | 134 | 127 |
| 537 | drug addiction | 46 | 1.7K | 194 | 196 |
| 538 | Organizational change | 28 | 1.7K | 59 | 30 |
| 539 | Sustainable Engineering | 46 | 1.7K | 221 | 272 |
| 540 | Neurosurgery | 26 | 1.7K | 224 | 130 |
| 541 | Production Engineering | 86 | 1.7K | 180 | 205 |
| 542 | Medical Ethics | 70 | 1.7K | 95 | 58 |
| 543 | Neuroimmunology | 21 | 1.7K | 155 | 119 |
| 544 | Fluid Dynamics | 53 | 1.6K | 140 | 131 |
| 545 | Cell death | 35 | 1.6K | 229 | 300 |
| 546 | cryosphere | 12 | 1.6K | 152 | 69 |
| 547 | Population | 60 | 1.6K | 55 | 94 |
| 548 | Psychoneuroimmunology | 19 | 1.6K | 135 | 108 |
| 549 | Hemodynamics | 26 | 1.6K | 145 | 135 |
| 549 | Vision | 52 | 1.6K | 101 | 132 |
| 551 | Carbohydrates | 50 | 1.6K | 12 | 38 |
| 552 | Environmentalism | 17 | 1.6K | 12 | 9 |
| 553 | Food additives | 50 | 1.6K | 93 | 167 |
| 554 | energy development | 21 | 1.6K | 133 | 172 |
| 555 | marketing | 67 | 1.6K | 243 | 455 |
| 555 | Cellulose | 27 | 1.6K | 71 | 60 |
| 557 | Oligosaccharide | 47 | 1.6K | 9 | 31 |
| 558 | Microorganisms | 18 | 1.6K | 278 | 218 |
| 559 | Photobiology | 26 | 1.6K | 228 | 98 |
| 560 | Radiobiology | 39 | 1.5K | 246 | 238 |
| 561 | Women's health | 45 | 1.5K | 141 | 104 |
| 562 | hydrocolloids | 46 | 1.5K | 71 | 146 |
| 563 | Urban Policy | 29 | 1.5K | 111 | 59 |
| 564 | Australia | 54 | 1.5K | 188 | 140 |
| 565 | economic policy | 84 | 1.5K | 212 | 251 |
| 566 | free radicals | 35 | 1.5K | 239 | 333 |
| 567 | Computer Science | 40 | 1.5K | 286 | 125 |
| 568 | Evolutionary economics | 6 | 1.5K | 81 | 4 |
| 568 | Population Dynamics | 6 | 1.5K | 77 | 5 |
| 570 | Corporate governance | 17 | 1.5K | 69 | 16 |
| 571 | Land use | 39 | 1.5K | 99 | 108 |
| 572 | behavioral medicine | 49 | 1.5K | 175 | 274 |
| 573 | Reproductive toxicology | 31 | 1.5K | 25 | 33 |
| 574 | Total Quality Management | 24 | 1.5K | 31 | 5 |
| 575 | Geobiology | 40 | 1.5K | 29 | 28 |
| 576 | international cooperation | 56 | 1.5K | 22 | 68 |
| 577 | Clinical Biochemistry | 42 | 1.5K | 148 | 155 |
| 578 | Speech | 37 | 1.5K | 164 | 139 |
| 579 | Andrology | 48 | 1.4K | 36 | 37 |
| 579 | Solar System | 21 | 1.4K | 256 | 172 |
| 581 | Cybernetics | 29 | 1.4K | 382 | 332 |
| 581 | commerce | 26 | 1.4K | 318 | 273 |
| 583 | Fluid Mechanics | 63 | 1.4K | 193 | 236 |
| 584 | Oligosaccharides | 31 | 1.4K | 10 | 4 |
| 585 | Computer Vision | 39 | 1.4K | 163 | 256 |
| 586 | China | 77 | 1.4K | 327 | 363 |
| 587 | Knowledge | 62 | 1.4K | 17 | 21 |
| 588 | landscapes | 10 | 1.4K | 41 | 5 |
| 589 | Social work | 58 | 1.4K | 208 | 161 |
| 590 | Biometrics | 32 | 1.4K | 246 | 166 |
| 591 | Travel | 21 | 1.4K | 154 | 66 |
| 592 | language | 32 | 1.4K | 132 | 130 |
| 593 | Communication in politics | 10 | 1.4K | 57 | 2 |
| 593 | aerosol | 81 | 1.4K | 12 | 31 |
| 595 | Social Psychology | 48 | 1.4K | 456 | 549 |
| 595 | Parenteral nutrition | 42 | 1.4K | 133 | 212 |
| 597 | DNA polymerases | 11 | 1.4K | 151 | 144 |
| 598 | Robotics | 47 | 1.4K | 280 | 283 |
| 599 | Business Ethics | 15 | 1.4K | 341 | 254 |
| 600 | Electromagnetism | 62 | 1.4K | 83 | 135 |
| 601 | Cognitive Therapy | 33 | 1.4K | 75 | 52 |
| 602 | Meteorites | 66 | 1.4K | 161 | 320 |
| 603 | Emergency Medical Services | 67 | 1.3K | 24 | 20 |
| 604 | analysis | 11 | 1.3K | 160 | 57 |
| 605 | Culture | 69 | 1.3K | 82 | 66 |
| 606 | nuclear magnetic resonance spectroscopy | 40 | 1.3K | 77 | 61 |
| 607 | Conservation Biology | 36 | 1.3K | 160 | 231 |
| 608 | Socioeconomic Factors | 34 | 1.3K | 79 | 64 |
| 609 | Pharmaceutical Technology | 33 | 1.3K | 293 | 248 |
| 610 | Oxidation-reduction | 29 | 1.3K | 120 | 210 |
| 611 | Palliative Care | 75 | 1.3K | 44 | 77 |
| 612 | Solar Energy | 35 | 1.3K | 273 | 331 |
| 613 | Computer-Aided Design | 48 | 1.3K | 136 | 164 |
| 614 | Oxidative stress | 18 | 1.3K | 164 | 156 |
| 615 | biological monitoring | 27 | 1.3K | 33 | 20 |
| 616 | biological factors | 38 | 1.3K | 332 | 330 |
| 617 | Synaptic Transmission | 33 | 1.3K | 43 | 44 |
| 618 | Algebra | 38 | 1.3K | 345 | 83 |
| 619 | Plant Morphology | 55 | 1.3K | 21 | 29 |
| 620 | Energy Storage | 33 | 1.3K | 220 | 242 |
| 620 | Fisheries | 38 | 1.3K | 290 | 265 |
| 622 | Cerebellum | 16 | 1.2K | 54 | 32 |
| 622 | Cerebellar ataxia | 16 | 1.2K | 54 | 32 |
| 624 | Enteral nutrition | 34 | 1.2K | 100 | 173 |
| 624 | animals | 42 | 1.2K | 150 | 100 |
| 626 | Cerebral cortex | 28 | 1.2K | 218 | 241 |
| 627 | Chemotherapy | 37 | 1.2K | 254 | 230 |
| 628 | Quantum electronics | 39 | 1.2K | 321 | 229 |
| 629 | Sexual health | 23 | 1.2K | 143 | 88 |
| 629 | Crystal growth | 28 | 1.2K | 199 | 120 |
| 631 | Neurolinguistics | 28 | 1.2K | 54 | 75 |
| 632 | preventive medicine | 28 | 1.2K | 268 | 248 |
| 633 | Molecular recognition | 27 | 1.2K | 3 | 4 |
| 634 | abnormalities | 7 | 1.2K | 68 | 13 |
| 635 | Nanoelectronics | 55 | 1.2K | 68 | 42 |
| 636 | Bioethics | 53 | 1.2K | 95 | 69 |
| 637 | Computer Graphics | 63 | 1.2K | 224 | 327 |
| 638 | ecotourism | 13 | 1.2K | 40 | 10 |
| 639 | Digestive system diseases | 34 | 1.2K | 175 | 144 |
| 640 | Pregnancy | 46 | 1.2K | 71 | 80 |
| 641 | behavior therapy | 27 | 1.2K | 216 | 183 |
| 642 | Bacteria | 21 | 1.2K | 52 | 65 |
| 643 | Bacterial infections | 57 | 1.2K | 43 | 242 |
| 644 | Algal blooms | 20 | 1.2K | 36 | 46 |
| 644 | Cyanobacteria | 20 | 1.2K | 36 | 46 |
| 644 | microalgae | 20 | 1.2K | 36 | 46 |
| 647 | Political Psychology | 8 | 1.2K | 170 | 60 |
| 648 | Raman spectroscopy | 33 | 1.2K | 73 | 60 |
| 649 | Pharmacogenetics | 30 | 1.2K | 156 | 169 |
| 649 | finance | 67 | 1.2K | 327 | 470 |
| 651 | Orthopedic Surgery | 34 | 1.2K | 108 | 80 |
| 652 | Radiation Protection | 104 | 1.2K | 6 | 6 |
| 653 | radiation monitoring | 100 | 1.1K | 6 | 5 |
| 654 | Image Processing | 44 | 1.1K | 455 | 570 |
| 655 | Hearing | 48 | 1.1K | 105 | 104 |
| 656 | Microwaves | 33 | 1.1K | 366 | 239 |
| 657 | Rheology | 21 | 1.1K | 132 | 81 |
| 658 | environmental indicators | 31 | 1.1K | 131 | 169 |
| 659 | wood | 52 | 1.1K | 44 | 48 |
| 660 | Remote Sensing | 46 | 1.1K | 152 | 125 |
| 661 | Environmental Geology | 43 | 1.1K | 194 | 269 |
| 662 | Boundary Value Problems | 44 | 1.1K | 73 | 86 |
| 662 | Antenna Arrays | 44 | 1.1K | 61 | 82 |
| 664 | Food texture | 18 | 1.1K | 19 | 11 |
| 665 | pain management | 44 | 1.1K | 43 | 64 |
| 666 | Radiation dosimetry | 88 | 1.1K | 6 | 4 |
| 667 | Semiconductor industry | 44 | 1.1K | 56 | 36 |
| 668 | Fracture mechanics | 57 | 1.1K | 211 | 275 |
| 669 | Developmental Genetics | 16 | 1.1K | 155 | 194 |
| 670 | Lung Transplantation | 34 | 1.0K | 72 | 84 |
| 670 | Heart transplantation | 34 | 1.0K | 72 | 84 |
| 672 | brain mapping | 20 | 1.0K | 177 | 179 |
| 673 | Aquatic ecology | 29 | 1.0K | 130 | 101 |
| 674 | Medical Technology | 37 | 1.0K | 214 | 257 |
| 675 | Mitochondria | 12 | 1.0K | 32 | 9 |
| 676 | ethanol | 27 | 1.0K | 68 | 57 |
| 677 | Risk | 34 | 1.0K | 42 | 92 |
| 678 | Composite Materials | 26 | 1.0K | 896 | 912 |
| 679 | Industrial Engineering | 38 | 1.0K | 356 | 386 |
| 679 | cytokines | 20 | 1.0K | 287 | 240 |
| 681 | soil management | 7 | 1.0K | 285 | 104 |
| 681 | Pancreatic diseases | 31 | 1.0K | 31 | 30 |
| 683 | Antioxidants | 22 | 1.0K | 125 | 216 |
| 683 | packaging | 21 | 1.0K | 9 | 4 |
| 685 | Work | 32 | 1.0K | 28 | 28 |
| 686 | Ocean Engineering | 40 | 1.0K | 392 | 437 |
| 687 | Electrical Engineering | 94 | 1.0K | 452 | 537 |
| 688 | Ethics | 68 | 998 | 45 | 83 |
| 689 | Periglacial processes | 10 | 996 | 32 | 19 |
| 689 | Astrocytes | 16 | 996 | 114 | 133 |
| 689 | Permafrost | 10 | 996 | 32 | 19 |
| 689 | Frozen ground | 10 | 996 | 33 | 19 |
| 693 | Mental Health Services | 36 | 984 | 209 | 211 |
| 694 | voice | 56 | 982 | 20 | 39 |
| 695 | polar regions | 31 | 979 | 89 | 66 |
| 696 | Physical Geography | 8 | 973 | 219 | 46 |
| 697 | population geography | 29 | 970 | 32 | 33 |
| 697 | Heterocyclic compounds | 53 | 970 | 70 | 35 |
| 699 | Teaching | 18 | 969 | 619 | 324 |
| 700 | Geomorphology | 37 | 966 | 269 | 405 |
| 701 | probabilities | 67 | 964 | 174 | 177 |
| 702 | Semiconductors | 83 | 963 | 177 | 316 |
| 702 | X-rays | 19 | 963 | 97 | 22 |
| 704 | Plant Genetics | 16 | 962 | 218 | 223 |
| 704 | Educational Psychology | 26 | 962 | 430 | 405 |
| 706 | Developmental Psychology | 22 | 960 | 306 | 313 |
| 707 | Carbon | 33 | 951 | 236 | 470 |
| 708 | Gastrointestinal diseases | 34 | 947 | 46 | 37 |
| 709 | Biomechanics | 34 | 946 | 256 | 317 |
| 710 | blood transfusion | 50 | 945 | 71 | 88 |
| 710 | Developmental Disabilities | 32 | 945 | 202 | 280 |
| 712 | Applied Linguistics | 35 | 941 | 58 | 54 |
| 712 | structural stability | 14 | 941 | 83 | 58 |
| 714 | Reproductive health | 40 | 938 | 72 | 109 |
| 715 | Microwave devices | 13 | 934 | 177 | 71 |
| 716 | Breeding | 25 | 933 | 317 | 255 |
| 717 | Organometallic chemistry | 49 | 929 | 287 | 291 |
| 717 | Ultrasonics | 34 | 929 | 204 | 268 |
| 717 | Insect biochemistry | 22 | 929 | 80 | 82 |
| 720 | Geodesy | 13 | 926 | 205 | 66 |
| 720 | Social welfare | 29 | 926 | 93 | 60 |
| 722 | Sleep | 40 | 922 | 313 | 345 |
| 723 | Sleep Disorders | 40 | 917 | 308 | 346 |
| 724 | Algae | 18 | 910 | 243 | 167 |
| 725 | Asia | 57 | 904 | 281 | 366 |
| 726 | speech therapy | 25 | 900 | 84 | 54 |
| 727 | Rural Development | 24 | 898 | 68 | 74 |
| 728 | System analysis | 56 | 896 | 349 | 540 |
| 728 | supercritical fluids | 38 | 896 | 31 | 69 |
| 730 | Biopharmaceutics | 20 | 894 | 282 | 233 |
| 730 | Pharmacokinetics | 19 | 894 | 177 | 144 |
| 732 | Radioisotopes | 47 | 892 | 107 | 86 |
| 733 | Child welfare | 24 | 891 | 278 | 178 |
| 734 | Building Materials | 25 | 890 | 570 | 686 |
| 734 | Ethnology | 106 | 890 | 68 | 157 |
| 736 | Technological Innovations | 41 | 885 | 70 | 143 |
| 737 | Physical organic chemistry | 27 | 884 | 344 | 254 |
| 738 | Plant genetic engineering | 15 | 883 | 304 | 239 |
| 739 | Group decision making | 21 | 877 | 69 | 65 |
| 740 | Audiology | 49 | 873 | 115 | 163 |
| 741 | corporate culture | 5 | 872 | 89 | 7 |
| 742 | Protozoa | 27 | 867 | 39 | 76 |
| 743 | Pediatric Nursing | 20 | 865 | 87 | 42 |
| 744 | Nuclear Chemistry | 38 | 858 | 164 | 118 |
| 745 | Functional Analysis | 46 | 856 | 204 | 234 |
| 745 | Landscape Ecology | 16 | 856 | 94 | 97 |
| 745 | optical instruments | 18 | 856 | 84 | 62 |
| 745 | peace | 38 | 856 | 58 | 115 |
| 749 | cosmic rays | 38 | 854 | 46 | 39 |
| 750 | Genetic Toxicology | 8 | 843 | 153 | 68 |
| 751 | sexual behavior | 21 | 840 | 149 | 141 |
| 752 | Mass Spectrometry | 27 | 835 | 286 | 263 |
| 753 | baking | 23 | 831 | 28 | 29 |
| 754 | isomerism | 16 | 828 | 50 | 18 |
| 754 | Chirality | 16 | 828 | 50 | 18 |
| 756 | Hospitality industry | 24 | 822 | 37 | 31 |
| 757 | Corporate Social Responsibility | 6 | 821 | 111 | 34 |
| 757 | environmental auditing | 6 | 821 | 117 | 34 |
| 759 | Industrial Policy | 27 | 819 | 52 | 90 |
| 760 | Communication Disorders | 23 | 817 | 33 | 27 |
| 761 | Mechanical Engineering | 37 | 813 | 619 | 473 |
| 762 | Project Management | 7 | 809 | 134 | 99 |
| 763 | Geographic information systems | 39 | 806 | 88 | 111 |
| 763 | Industry | 7 | 806 | 42 | 28 |
| 765 | Qualitative Research | 55 | 801 | 13 | 87 |
| 766 | atmosphere | 35 | 797 | 81 | 136 |
| 767 | Engineering Mathematics | 45 | 789 | 286 | 341 |
| 768 | Lymphatic system | 18 | 787 | 7 | 4 |
| 769 | bees | 9 | 785 | 174 | 71 |
| 770 | Autism | 16 | 784 | 213 | 196 |
| 771 | Organizational Behavior | 24 | 782 | 105 | 228 |
| 772 | Substance Abuse | 33 | 781 | 319 | 348 |
| 773 | Hematopoietic stem cell transplantation | 7 | 778 | 198 | 71 |
| 774 | Organometallic compounds | 23 | 768 | 399 | 340 |
| 775 | Contraception | 29 | 766 | 110 | 111 |
| 775 | Screening | 17 | 766 | 12 | 7 |
| 777 | Public Choice | 16 | 765 | 78 | 58 |
| 778 | Public Relations | 45 | 764 | 19 | 60 |
| 779 | Neuropsychiatry | 30 | 758 | 137 | 196 |
| 780 | Welfare Economics | 24 | 751 | 71 | 84 |
| 781 | Criminology | 53 | 744 | 135 | 216 |
| 781 | Product Design | 51 | 744 | 64 | 73 |
| 783 | Psychiatric Nursing | 46 | 743 | 36 | 52 |
| 784 | Cartography | 9 | 741 | 165 | 20 |
| 784 | Radiochemistry | 29 | 741 | 184 | 100 |
| 786 | Psychosomatic Medicine | 15 | 740 | 265 | 235 |
| 786 | Energy Consumption | 18 | 740 | 62 | 109 |
| 786 | Kidney diseases | 29 | 740 | 157 | 206 |
| 789 | International Finance | 44 | 736 | 254 | 453 |
| 790 | Planetary Science | 46 | 734 | 55 | 81 |
| 791 | Intelligent Transportation Systems | 19 | 732 | 313 | 326 |
| 791 | Clinical Immunology | 30 | 732 | 237 | 309 |
| 793 | environmental issues | 22 | 731 | 42 | 47 |
| 794 | Luminescence | 37 | 727 | 173 | 178 |
| 795 | Long-Term Care | 15 | 726 | 150 | 142 |
| 795 | Long-term care facilities | 15 | 726 | 147 | 141 |
| 797 | Globalization | 24 | 724 | 66 | 73 |
| 797 | Social policy | 57 | 724 | 68 | 168 |
| 799 | Transport | 16 | 718 | 170 | 138 |
| 800 | DNA methylation | 10 | 714 | 77 | 44 |
| 800 | nursing ethics | 21 | 714 | 13 | 20 |
| 802 | Anthropology | 32 | 708 | 395 | 336 |
| 802 | amino acids | 21 | 708 | 63 | 79 |
| 804 | Muscles | 20 | 706 | 217 | 250 |
| 805 | Sites | 20 | 701 | 142 | 170 |
| 806 | Feminism | 47 | 699 | 29 | 68 |
| 807 | Venture Capital | 11 | 697 | 68 | 195 |
| 808 | Quantum theory | 27 | 696 | 242 | 223 |
| 809 | Phonetics | 28 | 687 | 47 | 68 |
| 809 | Energy Harvesting | 13 | 687 | 153 | 229 |
| 811 | feeding behavior | 17 | 683 | 215 | 218 |
| 811 | Jurisprudence | 49 | 683 | 109 | 173 |
| 813 | Stochastic Processes | 23 | 682 | 172 | 93 |
| 814 | adolescence | 14 | 681 | 367 | 307 |
| 815 | natural disasters | 23 | 680 | 244 | 311 |
| 816 | viral genetics | 8 | 675 | 137 | 197 |
| 817 | Appetite | 15 | 672 | 187 | 182 |
| 818 | international trade | 11 | 671 | 246 | 136 |
| 819 | Risk Management | 33 | 669 | 54 | 119 |
| 819 | Eating Disorders | 29 | 669 | 173 | 247 |
| 821 | European integration | 23 | 663 | 30 | 43 |
| 821 | European Economic Community | 23 | 663 | 30 | 43 |
| 823 | Africa | 35 | 662 | 242 | 199 |
| 824 | Chemical processes | 24 | 660 | 78 | 71 |
| 825 | Atomic spectroscopy | 25 | 658 | 295 | 273 |
| 825 | educational planning | 16 | 658 | 78 | 77 |
| 825 | mammals | 20 | 658 | 271 | 213 |
| 828 | Drying | 34 | 655 | 29 | 58 |
| 829 | Multivariate Analysis | 7 | 654 | 342 | 108 |
| 830 | Randomized Controlled Trials | 52 | 648 | 101 | 153 |
| 831 | Chronic diseases | 25 | 644 | 152 | 275 |
| 832 | heredity | 20 | 641 | 135 | 110 |
| 833 | Tropical Medicine | 25 | 640 | 437 | 380 |
| 833 | Parkinson's disease | 22 | 640 | 15 | 29 |
| 835 | Differential Equations | 15 | 638 | 424 | 224 |
| 835 | Feeding and Eating Disorders | 28 | 638 | 166 | 244 |
| 837 | Cell survival | 6 | 637 | 72 | 26 |
| 837 | molecular chaperones | 6 | 637 | 90 | 26 |
| 839 | Agricultural systems | 7 | 635 | 157 | 80 |
| 840 | Health Services Administration | 23 | 634 | 199 | 211 |
| 841 | molecular design | 18 | 630 | 36 | 48 |
| 842 | Anxiety Disorders | 10 | 620 | 218 | 234 |
| 842 | Anxiety | 10 | 620 | 220 | 233 |
| 844 | Happiness | 14 | 618 | 58 | 69 |
| 845 | Parasites | 22 | 613 | 429 | 402 |
| 846 | Nutrition physiology | 12 | 606 | 260 | 210 |
| 847 | local government | 20 | 604 | 45 | 61 |
| 848 | Cosmology | 10 | 600 | 307 | 196 |
| 848 | Microcirculation | 30 | 600 | 35 | 97 |
| 850 | Uncertainty | 10 | 599 | 43 | 37 |
| 851 | Suicide | 30 | 593 | 61 | 116 |
| 852 | Soil Mechanics | 14 | 590 | 464 | 403 |
| 853 | Radiation Oncology | 19 | 587 | 54 | 57 |
| 854 | Socialization | 9 | 585 | 255 | 203 |
| 855 | Information Science | 31 | 582 | 606 | 921 |
| 856 | Biotransformation | 27 | 577 | 3 | 6 |
| 857 | Forensic Psychiatry | 21 | 575 | 129 | 101 |
| 858 | counseling | 23 | 574 | 398 | 386 |
| 859 | California | 17 | 572 | 119 | 86 |
| 860 | Adolescent Psychology | 17 | 570 | 259 | 308 |
| 861 | Zeolites | 14 | 569 | 328 | 310 |
| 862 | Criminal psychology | 18 | 568 | 252 | 241 |
| 863 | Algorithms | 19 | 566 | 138 | 100 |
| 864 | solar cells | 17 | 563 | 232 | 319 |
| 864 | Exercise | 29 | 563 | 325 | 409 |
| 866 | Music | 20 | 562 | 205 | 127 |
| 866 | internet | 22 | 562 | 426 | 526 |
| 868 | Protein engineering | 15 | 561 | 44 | 55 |
| 869 | Endocrine glands | 8 | 558 | 101 | 133 |
| 870 | Mobile Computing | 6 | 555 | 753 | 306 |
| 871 | Morphology | 34 | 553 | 126 | 172 |
| 872 | Neuromuscular diseases | 17 | 550 | 185 | 184 |
| 872 | Calorimetry | 24 | 550 | 227 | 194 |
| 872 | families | 34 | 550 | 144 | 200 |
| 872 | Thermal analysis | 24 | 550 | 227 | 194 |
| 876 | Sound | 24 | 548 | 257 | 237 |
| 877 | hospice care | 27 | 546 | 53 | 62 |
| 878 | Consumer education | 7 | 545 | 137 | 85 |
| 879 | child abuse | 12 | 544 | 346 | 309 |
| 879 | Flow cytometry | 21 | 544 | 38 | 71 |
| 881 | computer networks | 31 | 543 | 673 | 899 |
| 882 | Patient education | 20 | 542 | 159 | 215 |
| 883 | Birth control | 17 | 540 | 100 | 102 |
| 884 | Health promotion | 13 | 538 | 418 | 301 |
| 884 | Blood vessels | 26 | 538 | 22 | 61 |
| 886 | Japan | 28 | 537 | 347 | 330 |
| 887 | Marine Pollution | 12 | 536 | 533 | 476 |
| 888 | Environmental risk assessment | 6 | 533 | 189 | 38 |
| 889 | X-ray crystallography | 37 | 532 | 62 | 94 |
| 890 | Earthquake Engineering | 23 | 526 | 474 | 555 |
| 890 | gene transfer | 13 | 526 | 53 | 39 |
| 890 | genetic transformation | 13 | 526 | 53 | 39 |
| 893 | Systems Engineering | 15 | 524 | 905 | 723 |
| 894 | Development Economics | 13 | 515 | 89 | 88 |
| 894 | environmental control | 3 | 515 | 156 | 31 |
| 896 | Sustainable agriculture | 21 | 514 | 112 | 174 |
| 897 | Social Choice Theory | 10 | 513 | 82 | 22 |
| 898 | women | 20 | 511 | 188 | 90 |
| 899 | Molecular Pharmacology | 16 | 509 | 236 | 331 |
| 900 | biological invasions | 11 | 507 | 212 | 176 |
| 901 | Power Electronics | 5 | 505 | 806 | 505 |
| 902 | Consciousness | 18 | 502 | 95 | 120 |
| 903 | Human Rights | 33 | 501 | 54 | 86 |
| 903 | solar power | 14 | 501 | 239 | 323 |
| 905 | locomotion | 16 | 499 | 161 | 191 |
| 905 | posture | 16 | 499 | 161 | 191 |
| 905 | gait | 16 | 499 | 161 | 191 |
| 905 | walking | 16 | 499 | 161 | 191 |
| 909 | Investments | 12 | 497 | 108 | 45 |
| 910 | visualization | 63 | 494 | 169 | 288 |
| 911 | natural products | 29 | 493 | 408 | 529 |
| 912 | Neuroanatomy | 9 | 492 | 60 | 33 |
| 913 | Radiation effects | 10 | 489 | 233 | 190 |
| 914 | Voice Disorders | 41 | 488 | 2 | 4 |
| 915 | Plastics | 16 | 487 | 645 | 501 |
| 916 | particle accelerators | 16 | 485 | 25 | 22 |
| 916 | particle beams | 15 | 485 | 27 | 21 |
| 918 | Structural dynamics | 26 | 484 | 262 | 457 |
| 919 | Plant Taxonomy | 14 | 477 | 115 | 101 |
| 919 | Nutrigenomics | 15 | 477 | 8 | 21 |
| 921 | water supply | 19 | 476 | 273 | 395 |
| 922 | Quantum Optics | 18 | 475 | 283 | 233 |
| 922 | Laser Spectroscopy | 18 | 475 | 243 | 205 |
| 924 | Municipal Engineering | 31 | 473 | 5 | 36 |
| 924 | micromechanics | 13 | 473 | 206 | 172 |
| 924 | Classification | 1 | 473 | 550 | 85 |
| 927 | Probability | 23 | 472 | 101 | 178 |
| 928 | Turbulence | 21 | 470 | 34 | 38 |
| 929 | Structural Engineering | 23 | 469 | 554 | 621 |
| 930 | Geometry | 39 | 468 | 214 | 194 |
| 931 | emergency management | 25 | 467 | 65 | 166 |
| 932 | General Surgery | 55 | 465 | 93 | 156 |
| 932 | Forecasting | 9 | 465 | 205 | 140 |
| 934 | Diplomatic relations | 25 | 464 | 129 | 56 |
| 934 | role | 7 | 464 | 261 | 180 |
| 936 | Product life cycle | 9 | 460 | 98 | 98 |
| 937 | Wireless Communication | 5 | 459 | 302 | 30 |
| 937 | Antibacterial agents | 13 | 459 | 187 | 213 |
| 939 | hygiene | 21 | 456 | 57 | 85 |
| 940 | Serology | 18 | 453 | 70 | 96 |
| 941 | crime | 39 | 452 | 93 | 199 |
| 942 | Crisis management | 22 | 450 | 3 | 14 |
| 942 | Personality Assessment | 13 | 450 | 212 | 269 |
| 942 | tomography | 17 | 450 | 78 | 64 |
| 945 | forest policy | 13 | 449 | 109 | 81 |
| 946 | Law | 32 | 447 | 253 | 203 |
| 946 | Environmental Psychology | 16 | 447 | 55 | 193 |
| 946 | Magnetic Materials | 28 | 447 | 401 | 611 |
| 946 | Semiotics | 39 | 447 | 8 | 17 |
| 946 | Informatics | 15 | 447 | 252 | 284 |
| 951 | Social History | 26 | 444 | 78 | 55 |
| 951 | Lipid | 14 | 444 | 92 | 141 |
| 951 | health services | 20 | 444 | 275 | 302 |
| 954 | Nanochemistry | 28 | 443 | 170 | 279 |
| 954 | Political Geography | 22 | 443 | 46 | 82 |
| 954 | Sea | 11 | 443 | 199 | 166 |
| 954 | Fishery resources | 11 | 443 | 214 | 182 |
| 954 | Growth factors | 5 | 443 | 144 | 128 |
| 959 | Emulsions | 45 | 442 | 11 | 30 |
| 960 | Methodology | 36 | 441 | 16 | 52 |
| 961 | Intellectual disability | 31 | 440 | 168 | 268 |
| 961 | Ultrasound | 18 | 440 | 224 | 240 |
| 963 | Otolaryngology | 17 | 439 | 159 | 168 |
| 964 | Political Ecology | 13 | 436 | 5 | 2 |
| 964 | Demographic research | 12 | 436 | 33 | 63 |
| 966 | space environment | 2 | 430 | 208 | 43 |
| 967 | Hydrogeology | 22 | 427 | 104 | 176 |
| 968 | Brain damage | 12 | 426 | 118 | 120 |
| 969 | Technology Assessment | 11 | 423 | 58 | 123 |
| 970 | hazard mitigation | 19 | 421 | 167 | 277 |
| 971 | drug evaluation | 14 | 420 | 459 | 444 |
| 972 | Forensic Genetics | 16 | 418 | 54 | 81 |
| 972 | Edible plants | 7 | 418 | 61 | 35 |
| 974 | ovary | 13 | 416 | 31 | 22 |
| 975 | Smoking | 10 | 413 | 335 | 316 |
| 976 | disease vectors | 15 | 412 | 305 | 318 |
| 977 | bats | 9 | 410 | 28 | 9 |
| 978 | Nuclear Engineering | 40 | 408 | 319 | 390 |
| 979 | Neural circuitry | 13 | 407 | 939 | 934 |
| 979 | Methods | 33 | 407 | 2 | 4 |
| 981 | Extreme environments | 12 | 406 | 28 | 56 |
| 982 | Molecular Spectroscopy | 20 | 403 | 621 | 683 |
| 982 | Gender identity | 15 | 403 | 43 | 29 |
| 984 | Requirements Engineering | 9 | 402 | 13 | 17 |
| 984 | Maternal health services | 4 | 402 | 274 | 91 |
| 984 | breastfeeding | 17 | 402 | 92 | 108 |
| 987 | Second Language Acquisition | 8 | 401 | 54 | 75 |
| 988 | Lipid metabolism | 12 | 400 | 108 | 154 |
| 988 | Family | 15 | 400 | 347 | 330 |
| 990 | Strategic planning | 22 | 399 | 112 | 266 |
| 991 | Neurotoxicology | 14 | 397 | 127 | 208 |
| 991 | Cosmochemistry | 12 | 397 | 377 | 404 |
| 993 | Political Sociology | 21 | 396 | 96 | 167 |
| 993 | Radio wave propagation | 33 | 396 | 114 | 156 |
| 993 | Elderly | 59 | 396 | 185 | 237 |
| 993 | body temperature | 15 | 396 | 82 | 84 |
| 997 | Nuclear Energy | 11 | 393 | 435 | 275 |
| 997 | Human-Computer Interaction | 26 | 393 | 308 | 606 |
| 997 | Depression | 3 | 393 | 303 | 205 |
| 1000 | Urban Areas | 11 | 391 | 40 | 31 |