| 1 | Physics | 2,936 | 191.4K | 111 | 154 |
| 2 | Science | 1,917 | 156.0K | 142 | 165 |
| 3 | Biology | 1,898 | 153.3K | 131 | 167 |
| 4 | Chemistry | 2,084 | 140.8K | 162 | 148 |
| 5 | Astrophysics | 670 | 125.3K | 221 | 87 |
| 6 | Astronomy | 930 | 124.6K | 141 | 61 |
| 7 | Medicine | 1,709 | 97.2K | 155 | 155 |
| 8 | Molecular Biology | 1,115 | 80.2K | 198 | 166 |
| 9 | Microbiology | 1,090 | 76.5K | 107 | 97 |
| 10 | Biochemistry | 1,864 | 70.1K | 176 | 215 |
| 11 | Natural history | 475 | 70.0K | 94 | 168 |
| 12 | Research | 1,325 | 53.8K | 138 | 133 |
| 13 | Botany | 712 | 49.3K | 68 | 49 |
| 14 | Neurology | 766 | 47.9K | 194 | 188 |
| 15 | Materials | 1,000 | 47.1K | 140 | 151 |
| 16 | Spectrum analysis | 409 | 41.9K | 244 | 148 |
| 17 | Ecology | 603 | 40.9K | 217 | 205 |
| 18 | Human genetics | 137 | 39.9K | 197 | 132 |
| 19 | Public Health | 900 | 39.3K | 74 | 80 |
| 20 | Environment | 416 | 38.5K | 159 | 117 |
| 21 | Psychology | 727 | 36.4K | 101 | 99 |
| 22 | Biotechnology | 660 | 35.9K | 106 | 122 |
| 23 | Psychiatry | 535 | 32.9K | 131 | 106 |
| 24 | Economics | 996 | 32.5K | 25 | 54 |
| 25 | Chemical Engineering | 651 | 31.9K | 120 | 105 |
| 26 | Cell Biology | 308 | 28.7K | 248 | 212 |
| 27 | Mental Disorders | 477 | 28.5K | 53 | 63 |
| 28 | Nuclear Physics | 783 | 28.4K | 286 | 285 |
| 29 | management | 276 | 27.7K | 99 | 88 |
| 30 | Cytology | 338 | 25.7K | 264 | 236 |
| 31 | Nutrition | 454 | 25.4K | 74 | 63 |
| 32 | Nanotechnology | 421 | 24.8K | 244 | 219 |
| 33 | Pharmacology | 569 | 24.5K | 194 | 144 |
| 34 | Renewable Energy Sources | 280 | 24.2K | 29 | 35 |
| 35 | Biocompatible Materials | 457 | 22.8K | 110 | 130 |
| 36 | Genetics | 313 | 22.8K | 179 | 176 |
| 37 | Plant cells | 156 | 22.4K | 65 | 48 |
| 38 | Metabolism | 348 | 22.4K | 102 | 107 |
| 39 | Solid State Physics | 821 | 22.3K | 121 | 163 |
| 40 | Physiology | 379 | 21.8K | 182 | 138 |
| 41 | Composite Materials | 399 | 21.6K | 52 | 49 |
| 42 | Pollution | 288 | 21.5K | 300 | 233 |
| 43 | Materials Science | 372 | 21.4K | 216 | 172 |
| 44 | Biophysics | 523 | 21.4K | 241 | 207 |
| 45 | Biochemical Engineering | 298 | 21.3K | 103 | 127 |
| 46 | Manufacturing Processes | 409 | 20.7K | 27 | 8 |
| 47 | Psychophysiology | 382 | 19.1K | 126 | 121 |
| 48 | Bioengineering | 289 | 18.6K | 161 | 177 |
| 49 | Plants | 166 | 18.4K | 86 | 44 |
| 50 | Immunology | 328 | 18.0K | 172 | 186 |
| 51 | Quantum Gravity | 450 | 17.6K | 133 | 155 |
| 52 | Behavior | 290 | 17.4K | 137 | 118 |
| 53 | Reproduction | 384 | 17.3K | 29 | 19 |
| 54 | Neurophysiology | 316 | 17.1K | 149 | 163 |
| 55 | Condensed Matter | 569 | 16.6K | 177 | 229 |
| 56 | Education | 546 | 16.5K | 59 | 64 |
| 57 | Environmental Health | 249 | 16.2K | 293 | 226 |
| 58 | Sociology | 295 | 16.0K | 92 | 66 |
| 59 | Geriatrics | 444 | 15.4K | 65 | 68 |
| 60 | Power Electronics | 315 | 15.1K | 16 | 19 |
| 61 | Polymers | 417 | 15.1K | 232 | 219 |
| 62 | Economic History | 465 | 15.0K | 22 | 24 |
| 63 | Cancer | 286 | 14.8K | 177 | 180 |
| 64 | Animal Behavior | 225 | 14.5K | 102 | 77 |
| 65 | Statistical physics | 562 | 14.5K | 100 | 139 |
| 66 | Aging | 425 | 14.5K | 51 | 71 |
| 67 | Biomedical Engineering | 358 | 14.4K | 168 | 161 |
| 68 | Virology | 182 | 14.3K | 241 | 248 |
| 69 | Ethology | 189 | 13.7K | 74 | 50 |
| 70 | Biomass Energy | 174 | 13.6K | 62 | 56 |
| 71 | human behavior | 191 | 13.4K | 114 | 109 |
| 72 | Mathematics | 655 | 13.3K | 225 | 140 |
| 73 | energy conservation | 187 | 13.2K | 45 | 47 |
| 74 | Medical genetics | 194 | 12.8K | 199 | 188 |
| 75 | Epidemiology | 337 | 12.7K | 119 | 141 |
| 76 | Pharmaceutical Chemistry | 257 | 12.7K | 185 | 136 |
| 77 | Building Materials | 237 | 12.5K | 40 | 41 |
| 78 | Heat Exchangers | 221 | 12.5K | 16 | 9 |
| 79 | Colloids | 341 | 12.4K | 153 | 174 |
| 80 | plant molecular biology | 121 | 12.3K | 102 | 86 |
| 81 | Hematology | 287 | 12.2K | 175 | 182 |
| 82 | Bioorganic chemistry | 237 | 12.1K | 61 | 44 |
| 83 | environmental pollution | 211 | 12.1K | 250 | 196 |
| 84 | Parenteral nutrition | 102 | 11.9K | 24 | 18 |
| 85 | nucleic acids | 151 | 11.9K | 91 | 116 |
| 86 | Critical Care | 117 | 11.9K | 118 | 91 |
| 87 | Enteral nutrition | 98 | 11.9K | 11 | 14 |
| 88 | Molecular Microbiology | 102 | 11.7K | 31 | 16 |
| 89 | Critical Care Medicine | 102 | 11.5K | 135 | 96 |
| 90 | Plant physiology | 195 | 11.4K | 78 | 81 |
| 91 | Developmental Biology | 128 | 11.3K | 180 | 136 |
| 92 | Brain | 255 | 11.2K | 159 | 165 |
| 93 | Energy Policy | 226 | 11.2K | 59 | 64 |
| 94 | Developing countries | 222 | 11.0K | 38 | 30 |
| 95 | Mental illness | 185 | 11.0K | 88 | 96 |
| 96 | coal | 211 | 11.0K | 31 | 23 |
| 97 | Parasitology | 299 | 10.8K | 22 | 23 |
| 98 | Organic Chemistry | 198 | 10.8K | 180 | 89 |
| 99 | Medical Anthropology | 118 | 10.7K | 68 | 33 |
| 100 | Endocrinology | 172 | 10.6K | 264 | 250 |
| 101 | Medical Microbiology | 156 | 10.5K | 125 | 105 |
| 102 | Diabetes | 233 | 10.4K | 77 | 126 |
| 103 | transport vesicles | 4 | 10.4K | 144 | 131 |
| 104 | Economic Development | 178 | 10.3K | 25 | 37 |
| 105 | Catalysis | 220 | 10.3K | 355 | 339 |
| 106 | Microbial Ecology | 137 | 10.2K | 142 | 145 |
| 107 | polymerization | 290 | 10.0K | 247 | 234 |
| 108 | Surgery | 358 | 10.0K | 32 | 153 |
| 109 | Artificial Intelligence | 195 | 9.9K | 184 | 159 |
| 110 | Pharmacy | 210 | 9.8K | 76 | 42 |
| 111 | Physical Chemistry | 143 | 9.7K | 142 | 83 |
| 112 | Oncology | 87 | 9.7K | 203 | 185 |
| 113 | Geography | 258 | 9.6K | 67 | 69 |
| 114 | Audiology | 215 | 9.5K | 11 | 9 |
| 115 | Genetic engineering | 146 | 9.4K | 61 | 39 |
| 116 | Surface Chemistry | 284 | 9.1K | 177 | 225 |
| 117 | Environmental Policy | 204 | 9.1K | 97 | 162 |
| 118 | drug therapy | 180 | 9.0K | 118 | 76 |
| 119 | Bacteriology | 165 | 8.9K | 99 | 126 |
| 120 | Mathematical Physics | 331 | 8.8K | 93 | 148 |
| 121 | Environmental Management | 173 | 8.7K | 77 | 76 |
| 122 | Nanostructures | 136 | 8.6K | 42 | 70 |
| 123 | Optics | 507 | 8.6K | 179 | 231 |
| 124 | Cognition | 187 | 8.5K | 93 | 100 |
| 125 | Food | 204 | 8.5K | 97 | 102 |
| 126 | Meteorology | 112 | 8.4K | 233 | 178 |
| 127 | United States | 218 | 8.3K | 359 | 324 |
| 128 | Molecules | 142 | 8.3K | 67 | 23 |
| 129 | Statistics | 218 | 8.2K | 126 | 124 |
| 130 | Genomics | 190 | 8.1K | 135 | 136 |
| 131 | Business | 109 | 8.0K | 111 | 132 |
| 132 | Econometrics | 112 | 8.0K | 71 | 63 |
| 133 | Social Sciences | 269 | 8.0K | 100 | 104 |
| 134 | Cell differentiation | 88 | 7.9K | 175 | 182 |
| 135 | drugs | 164 | 7.9K | 67 | 36 |
| 136 | food technology | 198 | 7.9K | 90 | 77 |
| 137 | Pediatrics | 93 | 7.8K | 262 | 163 |
| 138 | Sustainable Development | 65 | 7.8K | 111 | 44 |
| 139 | Obesity | 203 | 7.8K | 75 | 103 |
| 140 | commerce | 94 | 7.8K | 42 | 67 |
| 141 | Teaching | 119 | 7.8K | 86 | 31 |
| 141 | biological evolution | 122 | 7.8K | 181 | 210 |
| 143 | nanoscience | 132 | 7.7K | 256 | 244 |
| 144 | Neuropsychology | 202 | 7.6K | 101 | 116 |
| 145 | Parasites | 212 | 7.6K | 14 | 14 |
| 146 | Diabetes mellitus | 119 | 7.5K | 154 | 160 |
| 147 | Technology | 227 | 7.5K | 192 | 165 |
| 148 | Environmental monitoring | 137 | 7.3K | 253 | 217 |
| 149 | Green Chemistry | 140 | 7.3K | 61 | 79 |
| 150 | Pathology | 114 | 7.3K | 220 | 168 |
| 151 | Neurochemistry | 144 | 7.3K | 203 | 172 |
| 152 | Cybernetics | 146 | 7.3K | 47 | 70 |
| 153 | Engineering | 333 | 7.2K | 102 | 120 |
| 154 | Toxicology | 219 | 7.2K | 304 | 355 |
| 155 | medical education | 251 | 7.2K | 57 | 61 |
| 156 | Child Development | 159 | 7.2K | 135 | 140 |
| 157 | Clinical Chemistry | 132 | 7.2K | 223 | 154 |
| 158 | Research Design | 80 | 7.1K | 81 | 52 |
| 159 | Health Services Research | 200 | 7.1K | 46 | 63 |
| 160 | Psychopharmacology | 134 | 7.1K | 92 | 111 |
| 161 | United Kingdom | 335 | 7.1K | 21 | 58 |
| 162 | Europe | 388 | 7.0K | 61 | 100 |
| 163 | Child psychology | 104 | 7.0K | 170 | 140 |
| 164 | Tourism | 117 | 6.9K | 70 | 74 |
| 165 | Electrochemistry | 235 | 6.9K | 361 | 280 |
| 166 | Embryology | 82 | 6.9K | 188 | 134 |
| 167 | economic policy | 236 | 6.9K | 27 | 32 |
| 168 | Biodiversity conservation | 73 | 6.8K | 173 | 189 |
| 169 | environmental protection | 166 | 6.8K | 142 | 158 |
| 170 | Parasitic Diseases | 175 | 6.8K | 37 | 46 |
| 171 | Anatomy | 109 | 6.8K | 186 | 129 |
| 172 | Environmental Engineering | 145 | 6.8K | 261 | 291 |
| 173 | Drug delivery systems | 86 | 6.8K | 62 | 49 |
| 174 | Quality of life | 60 | 6.6K | 111 | 35 |
| 175 | arthritis | 103 | 6.6K | 92 | 93 |
| 176 | Production Management | 82 | 6.6K | 63 | 57 |
| 177 | Linguistics | 77 | 6.5K | 145 | 43 |
| 178 | Evolution | 121 | 6.5K | 149 | 195 |
| 179 | Human-Computer Interaction | 181 | 6.4K | 8 | 19 |
| 180 | Mental Health Services | 231 | 6.4K | 23 | 24 |
| 181 | Ergonomics | 168 | 6.4K | 36 | 17 |
| 182 | Process Control | 79 | 6.4K | 15 | 11 |
| 183 | Health Policy | 247 | 6.3K | 71 | 87 |
| 184 | Rheumatology | 102 | 6.3K | 59 | 62 |
| 185 | Genetic algorithms | 47 | 6.3K | 15 | 21 |
| 186 | Analytical Chemistry | 204 | 6.2K | 384 | 413 |
| 187 | Evolutionary Computation | 50 | 6.2K | 27 | 25 |
| 188 | Cosmology | 8 | 6.2K | 360 | 2 |
| 189 | Child | 161 | 6.1K | 126 | 98 |
| 190 | Diet | 114 | 6.0K | 163 | 178 |
| 191 | Climate change | 40 | 6.0K | 157 | 166 |
| 192 | Dermatology | 78 | 6.0K | 213 | 100 |
| 193 | personality | 92 | 5.9K | 149 | 141 |
| 194 | Eutrophication | 38 | 5.9K | 162 | 171 |
| 195 | Development | 105 | 5.9K | 17 | 23 |
| 196 | Molecular Genetics | 96 | 5.9K | 153 | 146 |
| 197 | Immunity | 66 | 5.9K | 275 | 286 |
| 198 | Clinical Pharmacology | 115 | 5.9K | 50 | 26 |
| 199 | Nanostructured Materials | 137 | 5.9K | 319 | 294 |
| 200 | mass transfer | 139 | 5.8K | 80 | 76 |
| 201 | Social Psychology | 120 | 5.8K | 226 | 234 |
| 202 | Obstetrics | 139 | 5.8K | 188 | 146 |
| 203 | Geology | 152 | 5.7K | 348 | 313 |
| 204 | Sports Medicine | 113 | 5.7K | 244 | 148 |
| 205 | Molecular structure | 83 | 5.6K | 207 | 123 |
| 206 | Perception | 125 | 5.6K | 171 | 122 |
| 207 | Nervous system | 151 | 5.6K | 168 | 237 |
| 208 | Water | 89 | 5.6K | 291 | 284 |
| 209 | Plant diseases | 167 | 5.6K | 99 | 90 |
| 210 | Soil Science | 107 | 5.5K | 125 | 97 |
| 211 | Mechanical Engineering | 246 | 5.5K | 65 | 58 |
| 212 | Magnetic Resonance Spectroscopy | 162 | 5.5K | 28 | 25 |
| 213 | rehabilitation | 164 | 5.5K | 104 | 119 |
| 214 | Metabolic diseases | 79 | 5.4K | 314 | 282 |
| 215 | nuclear magnetic resonance | 172 | 5.4K | 28 | 32 |
| 216 | Metallurgy | 149 | 5.4K | 163 | 170 |
| 217 | Mental Health | 199 | 5.4K | 31 | 37 |
| 218 | Liposomes | 31 | 5.4K | 45 | 11 |
| 218 | Lipid bilayers | 31 | 5.4K | 38 | 10 |
| 220 | Industrial Microbiology | 80 | 5.3K | 103 | 72 |
| 221 | Soil Mechanics | 121 | 5.2K | 71 | 63 |
| 222 | China | 152 | 5.2K | 162 | 96 |
| 223 | viruses | 66 | 5.2K | 210 | 159 |
| 224 | alcoholism | 162 | 5.2K | 74 | 84 |
| 225 | Earthquake Engineering | 97 | 5.2K | 139 | 93 |
| 226 | Electronics | 225 | 5.2K | 205 | 258 |
| 227 | Health | 102 | 5.2K | 165 | 105 |
| 228 | Animal breeding | 119 | 5.2K | 29 | 14 |
| 229 | Earth Sciences | 113 | 5.1K | 347 | 302 |
| 230 | Environmental Chemistry | 54 | 5.1K | 236 | 200 |
| 231 | Health Education | 160 | 5.1K | 98 | 89 |
| 232 | Optical materials | 107 | 5.0K | 261 | 262 |
| 233 | Political Science | 228 | 5.0K | 57 | 102 |
| 234 | soil microbiology | 94 | 5.0K | 93 | 142 |
| 235 | drug addiction | 144 | 4.8K | 55 | 70 |
| 236 | Entrepreneurship | 42 | 4.8K | 59 | 73 |
| 237 | Human Geography | 140 | 4.8K | 50 | 62 |
| 238 | Virulence | 71 | 4.8K | 101 | 123 |
| 239 | Cognitive neuroscience | 71 | 4.7K | 104 | 126 |
| 240 | Mycology | 136 | 4.7K | 69 | 82 |
| 241 | Hearing | 118 | 4.7K | 33 | 20 |
| 242 | Liver diseases | 57 | 4.7K | 227 | 211 |
| 243 | Ultrasonics | 95 | 4.7K | 42 | 32 |
| 244 | Fungi | 128 | 4.7K | 22 | 47 |
| 245 | Breeding | 119 | 4.6K | 54 | 52 |
| 246 | Computational Biology | 113 | 4.6K | 195 | 243 |
| 247 | gene mapping | 93 | 4.5K | 128 | 176 |
| 248 | Cytogenetics | 49 | 4.5K | 202 | 169 |
| 249 | Nonlinear Dynamics | 208 | 4.5K | 113 | 182 |
| 250 | counseling | 107 | 4.4K | 102 | 55 |
| 251 | finance | 161 | 4.4K | 70 | 138 |
| 252 | Growth | 60 | 4.4K | 159 | 175 |
| 253 | psychotherapy | 103 | 4.4K | 97 | 134 |
| 254 | Regional Planning | 88 | 4.3K | 96 | 66 |
| 255 | Production Engineering | 165 | 4.3K | 71 | 58 |
| 256 | Environmental Microbiology | 81 | 4.3K | 58 | 106 |
| 257 | Neurobiology | 91 | 4.3K | 192 | 249 |
| 258 | Operations Research | 108 | 4.3K | 173 | 154 |
| 259 | Learning | 73 | 4.3K | 142 | 122 |
| 260 | Engineering Geology | 115 | 4.3K | 69 | 79 |
| 261 | Criminal psychology | 144 | 4.3K | 16 | 34 |
| 262 | International Finance | 158 | 4.2K | 18 | 37 |
| 263 | Host-parasite interactions | 58 | 4.2K | 135 | 161 |
| 264 | Cognitive Science | 94 | 4.2K | 75 | 128 |
| 265 | Economic Assistance | 67 | 4.2K | 27 | 27 |
| 266 | Clinical Psychology | 76 | 4.2K | 155 | 148 |
| 267 | Plant Ecology | 68 | 4.2K | 219 | 182 |
| 268 | Medical Laboratory Science | 103 | 4.2K | 125 | 187 |
| 269 | Industrial Engineering | 98 | 4.2K | 124 | 84 |
| 270 | Food additives | 97 | 4.1K | 32 | 57 |
| 271 | international trade | 64 | 4.1K | 12 | 21 |
| 272 | plant communities | 62 | 4.0K | 106 | 97 |
| 273 | Developmental Disabilities | 64 | 4.0K | 104 | 83 |
| 274 | Primary health care | 165 | 4.0K | 47 | 75 |
| 275 | Randomized Controlled Trials | 235 | 4.0K | 8 | 19 |
| 276 | hydrocolloids | 80 | 3.9K | 28 | 49 |
| 277 | Agricultural Chemistry | 73 | 3.9K | 269 | 180 |
| 278 | Therapeutics | 75 | 3.9K | 182 | 148 |
| 279 | Structural dynamics | 59 | 3.9K | 109 | 83 |
| 280 | innovation | 31 | 3.8K | 42 | 50 |
| 281 | Energy Conversion | 34 | 3.8K | 251 | 205 |
| 282 | Forensic Psychiatry | 170 | 3.8K | 4 | 7 |
| 283 | Zoology | 118 | 3.8K | 217 | 176 |
| 284 | pain | 91 | 3.8K | 104 | 148 |
| 285 | Biodiversity | 77 | 3.7K | 203 | 227 |
| 286 | world | 55 | 3.7K | 48 | 42 |
| 287 | Sonochemistry | 47 | 3.7K | 24 | 16 |
| 288 | Applied Linguistics | 31 | 3.7K | 66 | 4 |
| 289 | Schizophrenia | 103 | 3.6K | 76 | 106 |
| 290 | marketing | 71 | 3.6K | 225 | 257 |
| 290 | Disease | 8 | 3.6K | 115 | 111 |
| 292 | Public Administration | 110 | 3.6K | 87 | 76 |
| 293 | Hypertension | 57 | 3.6K | 256 | 275 |
| 294 | Social Change | 45 | 3.6K | 42 | 29 |
| 295 | Archaeology | 84 | 3.5K | 147 | 83 |
| 296 | Highway Engineering | 108 | 3.5K | 6 | 4 |
| 297 | energy resources | 49 | 3.5K | 140 | 158 |
| 298 | fertility | 79 | 3.5K | 87 | 102 |
| 299 | Metals | 73 | 3.5K | 286 | 240 |
| 300 | Ocean Engineering | 97 | 3.5K | 167 | 152 |
| 301 | Small Business | 38 | 3.4K | 51 | 75 |
| 302 | biological factors | 108 | 3.4K | 54 | 94 |
| 303 | Leukemia | 46 | 3.4K | 158 | 147 |
| 303 | Sports | 81 | 3.4K | 266 | 188 |
| 305 | electric vehicles | 101 | 3.4K | 9 | 6 |
| 306 | Physical organic chemistry | 105 | 3.4K | 27 | 27 |
| 307 | Rock Mechanics | 77 | 3.4K | 82 | 77 |
| 308 | Ophthalmology | 123 | 3.4K | 152 | 203 |
| 309 | Gerontology | 107 | 3.4K | 182 | 136 |
| 310 | Geriatric Psychiatry | 121 | 3.3K | 21 | 36 |
| 311 | Robotics | 67 | 3.3K | 190 | 120 |
| 312 | Geophysics | 121 | 3.3K | 519 | 587 |
| 313 | Patient education | 51 | 3.3K | 48 | 31 |
| 314 | Geochemistry | 79 | 3.3K | 349 | 351 |
| 315 | Stem cells | 58 | 3.3K | 190 | 143 |
| 316 | Chromosome mapping | 80 | 3.2K | 125 | 168 |
| 317 | sanitation | 32 | 3.2K | 361 | 310 |
| 318 | Photonics | 73 | 3.2K | 279 | 289 |
| 319 | Structural Engineering | 104 | 3.2K | 148 | 151 |
| 320 | Sustainable Architecture | 89 | 3.2K | 1 | 1 |
| 320 | behavioral medicine | 63 | 3.2K | 135 | 157 |
| 322 | Cerebral cortex | 61 | 3.1K | 96 | 119 |
| 323 | genome | 41 | 3.1K | 244 | 268 |
| 324 | Autism | 39 | 3.1K | 98 | 52 |
| 325 | Bone diseases | 19 | 3.1K | 84 | 34 |
| 326 | brain mapping | 48 | 3.1K | 63 | 56 |
| 327 | Automation | 40 | 3.0K | 521 | 363 |
| 328 | organization | 35 | 3.0K | 124 | 147 |
| 329 | Venture Capital | 10 | 3.0K | 88 | 57 |
| 330 | particles | 83 | 3.0K | 22 | 12 |
| 331 | Fluid Mechanics | 80 | 2.9K | 134 | 130 |
| 332 | Recycling | 28 | 2.9K | 65 | 32 |
| 333 | Vaccines | 77 | 2.9K | 169 | 147 |
| 334 | Bioinformatics | 61 | 2.9K | 271 | 280 |
| 335 | Molecular evolution | 48 | 2.9K | 205 | 194 |
| 336 | Decision making | 62 | 2.9K | 112 | 116 |
| 337 | infection | 61 | 2.9K | 182 | 162 |
| 337 | disabilities | 78 | 2.9K | 29 | 23 |
| 337 | Quantum theory | 104 | 2.9K | 35 | 38 |
| 340 | Carbon | 41 | 2.9K | 178 | 171 |
| 341 | language | 35 | 2.9K | 118 | 59 |
| 342 | Oncogenes | 31 | 2.9K | 254 | 221 |
| 343 | Agriculture | 77 | 2.9K | 204 | 205 |
| 344 | Solar Energy | 69 | 2.9K | 104 | 119 |
| 345 | Respiration | 60 | 2.8K | 202 | 177 |
| 346 | Radio | 78 | 2.8K | 181 | 222 |
| 347 | Dementia | 115 | 2.8K | 109 | 104 |
| 348 | Educational Technology | 62 | 2.8K | 95 | 64 |
| 349 | Animal genetics | 55 | 2.8K | 65 | 34 |
| 350 | Molecular Pharmacology | 48 | 2.8K | 65 | 52 |
| 350 | Diagnostic microbiology | 32 | 2.8K | 242 | 214 |
| 352 | disease vectors | 68 | 2.8K | 41 | 38 |
| 353 | Wildlife conservation | 44 | 2.7K | 159 | 136 |
| 354 | miniaturization | 50 | 2.7K | 300 | 343 |
| 355 | preventive medicine | 24 | 2.7K | 309 | 141 |
| 356 | Memory | 85 | 2.7K | 217 | 252 |
| 357 | Granular materials | 62 | 2.7K | 10 | 4 |
| 358 | Geomorphology | 59 | 2.7K | 163 | 153 |
| 359 | Engineering Mathematics | 158 | 2.7K | 51 | 94 |
| 360 | Histology | 98 | 2.7K | 151 | 231 |
| 361 | Biogeography | 62 | 2.7K | 68 | 141 |
| 362 | Palliative Care | 67 | 2.7K | 53 | 39 |
| 363 | Biopharmaceutics | 56 | 2.6K | 67 | 67 |
| 364 | Scheduling | 19 | 2.6K | 5 | 1 |
| 364 | Production Scheduling | 19 | 2.6K | 5 | 1 |
| 366 | Paleoclimatology | 62 | 2.6K | 124 | 118 |
| 367 | violence | 59 | 2.6K | 92 | 71 |
| 368 | Systems Biology | 53 | 2.6K | 163 | 91 |
| 369 | Signal Transduction | 25 | 2.6K | 352 | 201 |
| 370 | Microelectronics | 65 | 2.6K | 247 | 299 |
| 371 | diseases | 6 | 2.6K | 165 | 144 |
| 372 | sustainability | 63 | 2.6K | 19 | 85 |
| 373 | Animal Nutrition | 46 | 2.6K | 71 | 21 |
| 374 | Health promotion | 57 | 2.6K | 141 | 118 |
| 375 | Minority Health | 5 | 2.6K | 22 | 15 |
| 376 | Biometrics | 73 | 2.6K | 103 | 106 |
| 377 | Developmental Psychology | 43 | 2.5K | 183 | 146 |
| 378 | Philosophy | 319 | 2.5K | 24 | 82 |
| 379 | Systems Engineering | 88 | 2.5K | 146 | 165 |
| 380 | Genetic regulation | 18 | 2.5K | 323 | 169 |
| 381 | Oceanography | 52 | 2.5K | 341 | 293 |
| 382 | Risk | 27 | 2.5K | 70 | 29 |
| 383 | Immunotherapy | 61 | 2.5K | 222 | 274 |
| 383 | Microorganisms | 21 | 2.5K | 226 | 147 |
| 385 | Molecular ecology | 48 | 2.5K | 153 | 212 |
| 386 | plasma spraying | 41 | 2.5K | 15 | 6 |
| 387 | Plant tissue culture | 102 | 2.5K | 8 | 18 |
| 388 | Sites | 29 | 2.4K | 97 | 42 |
| 389 | Food Microbiology | 39 | 2.4K | 173 | 140 |
| 390 | Sustainable Engineering | 60 | 2.4K | 161 | 198 |
| 390 | Business Ethics | 39 | 2.4K | 77 | 130 |
| 392 | Drug design | 72 | 2.4K | 52 | 96 |
| 393 | Environmental Geology | 47 | 2.4K | 165 | 107 |
| 394 | Plant cell culture | 69 | 2.4K | 12 | 18 |
| 395 | Kidney diseases | 43 | 2.4K | 108 | 78 |
| 396 | Pharmaceutical Technology | 61 | 2.4K | 128 | 125 |
| 397 | Population Genetics | 51 | 2.3K | 169 | 219 |
| 398 | Image Processing | 76 | 2.3K | 269 | 361 |
| 399 | Alzheimer's disease | 91 | 2.3K | 152 | 138 |
| 400 | Adolescent | 121 | 2.3K | 154 | 229 |
| 401 | Neurosurgery | 39 | 2.3K | 141 | 87 |
| 402 | Community Psychiatry | 48 | 2.3K | 111 | 93 |
| 403 | Plant genetic engineering | 61 | 2.3K | 60 | 95 |
| 404 | Semiconductors | 223 | 2.3K | 40 | 116 |
| 405 | Risk Management | 26 | 2.3K | 76 | 31 |
| 406 | Dynamics | 94 | 2.3K | 55 | 59 |
| 407 | Public Policy | 79 | 2.3K | 150 | 187 |
| 408 | cell physiology | 29 | 2.2K | 376 | 290 |
| 409 | Dietetics | 77 | 2.2K | 39 | 34 |
| 410 | Mobile Computing | 68 | 2.2K | 76 | 81 |
| 411 | Social work | 103 | 2.2K | 115 | 102 |
| 412 | natural products | 59 | 2.2K | 167 | 139 |
| 413 | ecosystem | 50 | 2.2K | 158 | 213 |
| 414 | Hydrology | 61 | 2.2K | 365 | 358 |
| 415 | Light | 13 | 2.2K | 380 | 237 |
| 416 | Quantum electronics | 121 | 2.2K | 105 | 137 |
| 417 | Hydraulic Engineering | 50 | 2.2K | 117 | 93 |
| 418 | Computer Vision | 47 | 2.2K | 136 | 190 |
| 419 | complementary therapies | 46 | 2.2K | 139 | 73 |
| 420 | Infections | 44 | 2.2K | 153 | 163 |
| 421 | Information Theory | 39 | 2.2K | 261 | 169 |
| 422 | Psychiatric Nursing | 108 | 2.1K | 6 | 7 |
| 423 | Cardiovascular system | 21 | 2.1K | 457 | 378 |
| 424 | Forecasting | 16 | 2.1K | 106 | 23 |
| 424 | Solid State Chemistry | 137 | 2.1K | 182 | 289 |
| 426 | Aggression | 46 | 2.1K | 13 | 28 |
| 427 | Ceramic materials | 41 | 2.1K | 179 | 101 |
| 428 | Green Technology | 68 | 2.1K | 3 | 2 |
| 429 | Cell death | 22 | 2.1K | 347 | 251 |
| 430 | Computer Science | 67 | 2.1K | 143 | 84 |
| 431 | lasers | 136 | 2.1K | 146 | 208 |
| 432 | industrial relations | 106 | 2.1K | 25 | 38 |
| 433 | Alternative Medicine | 41 | 2.0K | 153 | 71 |
| 434 | Electromagnetic compatibility | 59 | 2.0K | 17 | 9 |
| 435 | Water pollution | 47 | 2.0K | 579 | 565 |
| 436 | Intellectual disability | 67 | 2.0K | 64 | 83 |
| 437 | Plant Biotechnology | 40 | 2.0K | 68 | 57 |
| 438 | economic forecasting | 11 | 2.0K | 80 | 19 |
| 439 | Bacterial infections | 21 | 2.0K | 156 | 154 |
| 440 | Attention | 73 | 2.0K | 216 | 252 |
| 441 | Job satisfaction | 48 | 2.0K | 1 | 10 |
| 441 | Work | 48 | 2.0K | 9 | 11 |
| 441 | job stress | 48 | 2.0K | 1 | 10 |
| 444 | Land use | 32 | 2.0K | 143 | 70 |
| 445 | Psychosomatic Medicine | 30 | 2.0K | 138 | 98 |
| 446 | Educational Psychology | 77 | 2.0K | 162 | 252 |
| 447 | Medical Physics | 49 | 2.0K | 326 | 307 |
| 448 | Information Science | 64 | 1.9K | 282 | 371 |
| 449 | health planning | 77 | 1.9K | 149 | 155 |
| 450 | Probability | 17 | 1.9K | 159 | 37 |
| 450 | actuators | 56 | 1.9K | 329 | 366 |
| 450 | transducers | 56 | 1.9K | 329 | 366 |
| 453 | Fuzzy systems | 26 | 1.9K | 321 | 46 |
| 454 | Psycholinguistics | 43 | 1.9K | 154 | 167 |
| 454 | Visual Perception | 56 | 1.9K | 256 | 250 |
| 456 | Physical Geography | 30 | 1.9K | 40 | 13 |
| 457 | human development | 29 | 1.9K | 156 | 100 |
| 458 | Developmental Genetics | 11 | 1.9K | 202 | 136 |
| 459 | Geotechnical Engineering | 44 | 1.9K | 68 | 63 |
| 459 | free radicals | 21 | 1.9K | 397 | 278 |
| 461 | animal diseases | 44 | 1.9K | 46 | 20 |
| 462 | Entomology | 72 | 1.9K | 305 | 257 |
| 463 | Vision | 72 | 1.9K | 68 | 117 |
| 464 | Microscopy | 82 | 1.9K | 57 | 107 |
| 465 | Food preferences | 35 | 1.9K | 31 | 26 |
| 465 | Aquaculture | 24 | 1.9K | 418 | 198 |
| 467 | Biogeochemistry | 48 | 1.9K | 180 | 254 |
| 467 | Animal ecology | 46 | 1.9K | 199 | 202 |
| 469 | Remote Sensing | 51 | 1.9K | 145 | 75 |
| 470 | Information Technology | 50 | 1.8K | 284 | 344 |
| 471 | Cheminformatics | 10 | 1.8K | 62 | 35 |
| 472 | Crystal growth | 26 | 1.8K | 214 | 64 |
| 473 | Social behavior | 42 | 1.8K | 191 | 206 |
| 474 | Long-Term Care | 22 | 1.8K | 104 | 68 |
| 474 | Long-term care facilities | 22 | 1.8K | 102 | 68 |
| 476 | Fluid Dynamics | 51 | 1.8K | 141 | 120 |
| 477 | Fracture mechanics | 71 | 1.8K | 150 | 163 |
| 478 | Multiphase Flow | 48 | 1.8K | 15 | 31 |
| 479 | Oxidation-reduction | 13 | 1.8K | 282 | 166 |
| 480 | Membranes | 49 | 1.8K | 323 | 406 |
| 481 | Gene expression regulation | 23 | 1.8K | 193 | 151 |
| 482 | economic conditions | 39 | 1.8K | 48 | 48 |
| 483 | Transportation | 67 | 1.8K | 241 | 278 |
| 484 | Financial management | 9 | 1.8K | 187 | 41 |
| 485 | fuel cells | 20 | 1.8K | 404 | 285 |
| 486 | soil management | 40 | 1.8K | 41 | 50 |
| 487 | computer networks | 51 | 1.7K | 426 | 369 |
| 488 | Rheology | 62 | 1.7K | 40 | 53 |
| 489 | Paleontology | 48 | 1.7K | 236 | 154 |
| 490 | Signal Processing | 59 | 1.7K | 499 | 558 |
| 491 | Climatology | 41 | 1.7K | 376 | 371 |
| 492 | drug evaluation | 42 | 1.7K | 120 | 64 |
| 493 | Electrical Engineering | 162 | 1.7K | 248 | 360 |
| 494 | Microwaves | 78 | 1.7K | 178 | 174 |
| 495 | Psychiatric Epidemiology | 30 | 1.7K | 53 | 42 |
| 496 | Astrocytes | 15 | 1.7K | 121 | 68 |
| 497 | Soil biology | 31 | 1.7K | 208 | 229 |
| 498 | Nursing | 60 | 1.7K | 219 | 148 |
| 499 | Infertility | 33 | 1.7K | 191 | 186 |
| 499 | cloning | 18 | 1.7K | 140 | 108 |
| 501 | Economic Thought | 18 | 1.6K | 61 | 53 |
| 502 | Data Mining | 39 | 1.6K | 192 | 248 |
| 503 | Asia | 102 | 1.6K | 149 | 181 |
| 504 | animals | 35 | 1.6K | 190 | 72 |
| 505 | Medical innovations | 18 | 1.6K | 251 | 259 |
| 506 | Agricultural Ecology | 19 | 1.6K | 281 | 199 |
| 507 | biopolymers | 55 | 1.6K | 159 | 183 |
| 508 | concrete | 22 | 1.6K | 256 | 225 |
| 509 | Muscles | 32 | 1.6K | 136 | 121 |
| 510 | Chronic diseases | 37 | 1.6K | 113 | 173 |
| 511 | Drying | 37 | 1.6K | 22 | 17 |
| 512 | Meteorites | 22 | 1.6K | 334 | 300 |
| 513 | Smoking | 76 | 1.6K | 66 | 111 |
| 513 | Immune system | 12 | 1.6K | 380 | 330 |
| 515 | Hormones | 31 | 1.6K | 280 | 226 |
| 516 | Humanities | 173 | 1.6K | 4 | 40 |
| 517 | Fishery management | 11 | 1.6K | 341 | 68 |
| 518 | Antioxidants | 7 | 1.6K | 425 | 136 |
| 519 | Organometallic compounds | 45 | 1.5K | 191 | 173 |
| 520 | Paleoecology | 46 | 1.5K | 158 | 180 |
| 521 | Soft Condensed Matter | 54 | 1.5K | 157 | 185 |
| 522 | Tribology | 55 | 1.5K | 128 | 119 |
| 523 | city planning | 71 | 1.5K | 151 | 215 |
| 524 | Bacteria | 14 | 1.5K | 74 | 49 |
| 525 | Nanoparticles | 43 | 1.5K | 280 | 326 |
| 526 | Communication | 65 | 1.5K | 285 | 407 |
| 527 | Environmental pollutants | 51 | 1.5K | 295 | 392 |
| 528 | Hearing Aids | 52 | 1.5K | 6 | 7 |
| 529 | Numerical Analysis | 76 | 1.5K | 249 | 282 |
| 530 | Virtual reality | 33 | 1.5K | 19 | 24 |
| 531 | eye | 8 | 1.5K | 75 | 65 |
| 532 | Wireless Communication Systems | 39 | 1.4K | 583 | 447 |
| 533 | Immunopathology | 43 | 1.4K | 223 | 234 |
| 534 | Molecular cloning | 32 | 1.4K | 235 | 172 |
| 535 | Pediatric Neurology | 20 | 1.4K | 288 | 309 |
| 536 | Post-traumatic stress disorder | 28 | 1.4K | 148 | 125 |
| 537 | Horticulture | 36 | 1.4K | 88 | 36 |
| 538 | Hemodynamics | 16 | 1.4K | 225 | 159 |
| 539 | Public opinion | 25 | 1.4K | 53 | 34 |
| 540 | Biomass | 33 | 1.4K | 39 | 67 |
| 541 | Tunneling | 24 | 1.4K | 68 | 55 |
| 541 | underground construction | 24 | 1.4K | 68 | 55 |
| 543 | Respiratory system | 32 | 1.4K | 68 | 45 |
| 544 | environmental indicators | 25 | 1.4K | 185 | 125 |
| 545 | pollutants | 45 | 1.4K | 241 | 346 |
| 546 | Australia | 104 | 1.4K | 91 | 154 |
| 547 | Photochemistry | 22 | 1.4K | 481 | 225 |
| 548 | Social policy | 57 | 1.4K | 68 | 64 |
| 549 | Forensic Psychology | 68 | 1.4K | 10 | 21 |
| 549 | Thorax | 20 | 1.4K | 105 | 68 |
| 551 | Retina | 6 | 1.4K | 81 | 65 |
| 552 | Criminal behavior | 56 | 1.4K | 2 | 2 |
| 553 | Radio waves | 34 | 1.4K | 214 | 193 |
| 554 | Traffic Engineering | 47 | 1.4K | 20 | 51 |
| 555 | Tropical Medicine | 42 | 1.4K | 250 | 184 |
| 556 | vibration | 41 | 1.4K | 160 | 180 |
| 556 | enzymes | 50 | 1.4K | 171 | 251 |
| 558 | Diagnostic Imaging | 63 | 1.3K | 238 | 361 |
| 558 | health services | 22 | 1.3K | 259 | 126 |
| 560 | Geodesy | 28 | 1.3K | 84 | 41 |
| 561 | data collection | 31 | 1.3K | 115 | 218 |
| 562 | Neurons | 8 | 1.3K | 320 | 359 |
| 563 | Pharmacokinetics | 22 | 1.3K | 148 | 89 |
| 563 | Recombinant DNA | 28 | 1.3K | 323 | 208 |
| 565 | Cement | 10 | 1.3K | 266 | 167 |
| 566 | Measurement | 47 | 1.3K | 147 | 118 |
| 567 | Occupational Health | 39 | 1.3K | 122 | 110 |
| 568 | Synaptic Transmission | 9 | 1.3K | 209 | 42 |
| 569 | Genetic recombination | 26 | 1.3K | 302 | 187 |
| 569 | probabilities | 54 | 1.3K | 212 | 125 |
| 571 | educational innovations | 29 | 1.3K | 47 | 33 |
| 572 | Industrial Safety | 52 | 1.3K | 96 | 123 |
| 573 | Elections | 34 | 1.3K | 36 | 26 |
| 574 | Organizational Sociology | 24 | 1.3K | 41 | 23 |
| 574 | Histochemistry | 34 | 1.3K | 149 | 114 |
| 576 | Adolescent Medicine | 17 | 1.3K | 146 | 161 |
| 577 | International Relations | 107 | 1.3K | 56 | 138 |
| 578 | Personality Assessment | 10 | 1.3K | 269 | 116 |
| 579 | environmental exposure | 29 | 1.3K | 407 | 314 |
| 580 | Political Participation | 25 | 1.3K | 42 | 24 |
| 581 | Soil | 18 | 1.3K | 12 | 10 |
| 582 | technology transfer | 14 | 1.3K | 26 | 15 |
| 583 | Building | 66 | 1.3K | 44 | 57 |
| 584 | Socioeconomic Factors | 30 | 1.3K | 95 | 71 |
| 585 | Marine Biology | 34 | 1.3K | 728 | 655 |
| 586 | Mechanics | 65 | 1.3K | 86 | 131 |
| 587 | global environmental change | 13 | 1.3K | 280 | 180 |
| 588 | Sound | 61 | 1.3K | 92 | 124 |
| 589 | Substance Abuse | 46 | 1.3K | 244 | 253 |
| 590 | Natural resources | 27 | 1.2K | 133 | 133 |
| 591 | Thin Films | 48 | 1.2K | 16 | 17 |
| 592 | drug development | 13 | 1.2K | 311 | 274 |
| 593 | Sarcopenia | 23 | 1.2K | 25 | 39 |
| 594 | System analysis | 40 | 1.2K | 477 | 412 |
| 595 | Law | 119 | 1.2K | 53 | 74 |
| 595 | Social problems | 12 | 1.2K | 236 | 106 |
| 597 | mathematical analysis | 68 | 1.2K | 456 | 357 |
| 598 | civil service | 36 | 1.2K | 23 | 43 |
| 599 | Glass | 39 | 1.2K | 181 | 199 |
| 600 | Food texture | 30 | 1.2K | 9 | 8 |
| 600 | Zeolites | 28 | 1.2K | 157 | 142 |
| 602 | Nutrition physiology | 38 | 1.2K | 60 | 105 |
| 603 | Pregnancy | 31 | 1.2K | 114 | 83 |
| 604 | child abuse | 44 | 1.2K | 106 | 171 |
| 604 | Culture | 61 | 1.2K | 96 | 86 |
| 606 | Environmental Toxicology | 25 | 1.2K | 675 | 616 |
| 606 | Human Rights | 72 | 1.2K | 9 | 24 |
| 608 | Neural circuitry | 35 | 1.2K | 392 | 424 |
| 609 | Mathematics Education | 40 | 1.2K | 16 | 21 |
| 610 | Molecular recognition | 3 | 1.2K | 171 | 6 |
| 611 | proteins | 60 | 1.2K | 274 | 431 |
| 612 | Welfare Economics | 38 | 1.2K | 36 | 52 |
| 613 | Analytical Biochemistry | 47 | 1.1K | 192 | 284 |
| 614 | Second Language Acquisition | 7 | 1.1K | 75 | 23 |
| 615 | feeding behavior | 27 | 1.1K | 146 | 146 |
| 616 | Crystallography | 67 | 1.1K | 196 | 162 |
| 617 | Computer Graphics | 50 | 1.1K | 275 | 351 |
| 618 | Tissue Engineering | 11 | 1.1K | 91 | 33 |
| 619 | Chemical analysis | 41 | 1.1K | 89 | 137 |
| 620 | Social welfare | 62 | 1.1K | 34 | 50 |
| 621 | Ceramics | 33 | 1.1K | 288 | 256 |
| 621 | Cosmochemistry | 28 | 1.1K | 171 | 171 |
| 623 | occupational diseases | 20 | 1.1K | 184 | 142 |
| 624 | Developed countries | 10 | 1.1K | 64 | 20 |
| 625 | Quality Control | 38 | 1.1K | 217 | 242 |
| 626 | Fisheries | 15 | 1.1K | 643 | 329 |
| 627 | Distance Education | 11 | 1.1K | 93 | 27 |
| 628 | Chemotherapy | 40 | 1.1K | 233 | 252 |
| 629 | Criminology | 65 | 1.1K | 109 | 175 |
| 630 | Product Design | 54 | 1.1K | 55 | 45 |
| 631 | Radiology | 66 | 1.1K | 131 | 166 |
| 631 | Neuropsychiatry | 29 | 1.1K | 143 | 141 |
| 633 | Personality Disorders | 43 | 1.1K | 23 | 43 |
| 634 | Appetite | 25 | 1.1K | 115 | 123 |
| 635 | Industrial Sociology | 28 | 1.1K | 13 | 14 |
| 636 | Paleogeography | 28 | 1.1K | 226 | 231 |
| 637 | economic development projects | 23 | 1.1K | 15 | 10 |
| 638 | Antigens | 27 | 1.0K | 151 | 122 |
| 639 | RNA | 16 | 1.0K | 135 | 100 |
| 640 | Medical Oncology | 39 | 1.0K | 335 | 447 |
| 641 | Veterinary Immunology | 18 | 1.0K | 84 | 45 |
| 642 | Roads | 35 | 1.0K | 165 | 103 |
| 642 | viral genetics | 6 | 1.0K | 164 | 153 |
| 644 | Mechatronics | 29 | 1.0K | 151 | 136 |
| 645 | biofuels | 17 | 1.0K | 46 | 59 |
| 646 | Voting | 19 | 1.0K | 48 | 26 |
| 647 | election law | 17 | 1.0K | 56 | 28 |
| 648 | Combustion | 45 | 1.0K | 216 | 280 |
| 649 | Antibodies | 26 | 1.0K | 98 | 82 |
| 650 | older people | 55 | 1.0K | 254 | 224 |
| 651 | Surface properties | 18 | 1.0K | 288 | 200 |
| 652 | X-rays | 55 | 1.0K | 16 | 20 |
| 652 | Birds | 42 | 1.0K | 223 | 176 |
| 654 | Transplantation | 16 | 1.0K | 361 | 307 |
| 655 | Globalization | 32 | 1.0K | 40 | 50 |
| 656 | Ultrasound | 47 | 995 | 76 | 113 |
| 657 | Mining Engineering | 15 | 994 | 157 | 90 |
| 658 | Respiratory Infections | 14 | 993 | 79 | 14 |
| 658 | Influenza | 14 | 993 | 32 | 6 |
| 660 | local government | 21 | 982 | 40 | 27 |
| 660 | pain management | 31 | 982 | 79 | 74 |
| 662 | Biomechanics | 39 | 979 | 229 | 313 |
| 663 | Japan | 30 | 978 | 323 | 202 |
| 664 | Reproductive health | 21 | 976 | 164 | 105 |
| 664 | Magnetic Materials | 40 | 976 | 278 | 336 |
| 666 | Graph Theory | 29 | 975 | 131 | 48 |
| 666 | starch | 31 | 975 | 16 | 21 |
| 668 | Nephrology | 24 | 974 | 119 | 127 |
| 669 | Ethics | 47 | 971 | 93 | 90 |
| 670 | Atmospheric Physics | 38 | 970 | 364 | 474 |
| 670 | energy development | 41 | 970 | 45 | 256 |
| 672 | Feminism | 67 | 965 | 8 | 40 |
| 672 | mycoses | 9 | 965 | 367 | 261 |
| 674 | Allergy | 17 | 959 | 374 | 456 |
| 675 | Eastern Europe | 40 | 957 | 51 | 20 |
| 676 | freshwater biology | 30 | 956 | 132 | 162 |
| 677 | Conservation Biology | 27 | 954 | 236 | 298 |
| 678 | health behavior | 27 | 953 | 199 | 191 |
| 678 | pottery | 28 | 953 | 232 | 236 |
| 680 | Plant breeding | 17 | 951 | 192 | 102 |
| 680 | Plastics | 45 | 951 | 233 | 280 |
| 682 | sex crimes | 33 | 950 | 73 | 85 |
| 683 | Technological Innovations | 30 | 949 | 113 | 135 |
| 684 | Environmental Psychology | 11 | 943 | 106 | 87 |
| 685 | DNA polymerases | 11 | 938 | 150 | 196 |
| 686 | Development Economics | 28 | 931 | 25 | 41 |
| 687 | Plant Genetics | 24 | 926 | 138 | 236 |
| 687 | Veterinary Pathology | 32 | 926 | 37 | 21 |
| 689 | Ethnology | 45 | 924 | 191 | 152 |
| 690 | Pharmacogenetics | 31 | 923 | 144 | 206 |
| 690 | Ornithology | 34 | 923 | 195 | 144 |
| 692 | Bioremediation | 10 | 918 | 275 | 73 |
| 693 | nuclear magnetic resonance spectroscopy | 19 | 908 | 201 | 102 |
| 694 | Game Theory | 28 | 907 | 92 | 75 |
| 695 | Neurotransmitters | 15 | 906 | 158 | 71 |
| 695 | Geriatric Oncology | 27 | 906 | 70 | 85 |
| 697 | supercritical fluids | 23 | 903 | 71 | 71 |
| 698 | Mineral resources | 23 | 898 | 56 | 69 |
| 699 | Physical Therapy | 36 | 897 | 231 | 314 |
| 700 | radioactive waste | 12 | 894 | 277 | 237 |
| 700 | industrial waste | 12 | 894 | 296 | 239 |
| 700 | Hazardous waste | 12 | 894 | 343 | 259 |
| 703 | Computational Chemistry | 15 | 886 | 194 | 166 |
| 704 | Metallography | 17 | 885 | 233 | 114 |
| 705 | Diplomatic relations | 60 | 882 | 54 | 21 |
| 706 | Lipids | 23 | 874 | 317 | 375 |
| 707 | Immunochemistry | 14 | 870 | 310 | 147 |
| 708 | econometric models | 30 | 867 | 33 | 55 |
| 709 | Greenhouse gases | 21 | 859 | 47 | 67 |
| 710 | Surface-Active Agents | 14 | 854 | 338 | 233 |
| 711 | Enzyme inhibitors | 4 | 851 | 304 | 37 |
| 712 | rivers | 24 | 848 | 20 | 26 |
| 713 | Transportation Engineering | 26 | 843 | 54 | 52 |
| 714 | Enzyme | 28 | 841 | 39 | 83 |
| 715 | Medical Ethics | 53 | 836 | 134 | 140 |
| 716 | Medical Technology | 47 | 834 | 151 | 324 |
| 717 | Sexual health | 9 | 826 | 321 | 123 |
| 718 | Higher Education | 37 | 823 | 47 | 66 |
| 718 | gene therapy | 41 | 823 | 139 | 309 |
| 718 | Optoelectronic devices | 77 | 823 | 27 | 47 |
| 721 | hospice care | 22 | 820 | 76 | 27 |
| 722 | Mass Spectrometry | 30 | 818 | 262 | 277 |
| 723 | Yeast | 11 | 817 | 142 | 76 |
| 724 | Biosensors | 16 | 814 | 465 | 519 |
| 725 | Speech Disorders | 42 | 813 | 198 | 279 |
| 726 | Historical Geography | 99 | 811 | 4 | 1 |
| 727 | Human Resources | 17 | 809 | 82 | 110 |
| 728 | disease outbreaks | 14 | 803 | 161 | 114 |
| 728 | Epidemics | 14 | 803 | 159 | 113 |
| 730 | Forest Management | 17 | 799 | 326 | 268 |
| 730 | brewing | 51 | 799 | 13 | 17 |
| 730 | atmospheric models | 5 | 799 | 463 | 226 |
| 733 | Biodegradation | 11 | 795 | 215 | 88 |
| 734 | Pharmacy management | 31 | 786 | 28 | 26 |
| 735 | children | 18 | 784 | 108 | 116 |
| 736 | Spine | 24 | 783 | 153 | 201 |
| 737 | Computer-Aided Design | 32 | 782 | 219 | 241 |
| 738 | Agricultural systems | 8 | 781 | 140 | 65 |
| 739 | Clinical Immunology | 18 | 780 | 355 | 296 |
| 739 | Forest Ecology | 15 | 780 | 391 | 307 |
| 739 | Genetic therapy | 40 | 780 | 153 | 316 |
| 742 | Production Planning | 17 | 779 | 33 | 39 |
| 742 | Production Control | 17 | 779 | 33 | 39 |
| 744 | Fisheries Law | 1 | 775 | 216 | 39 |
| 744 | fisheries management | 1 | 775 | 216 | 39 |
| 744 | Performance | 6 | 775 | 176 | 58 |
| 747 | Intelligent Transportation Systems | 22 | 772 | 278 | 329 |
| 748 | polar regions | 19 | 770 | 154 | 102 |
| 749 | Experimental Psychology | 21 | 767 | 177 | 188 |
| 750 | Bereavement | 20 | 763 | 8 | 3 |
| 751 | Organizational Behavior | 12 | 760 | 243 | 238 |
| 752 | Computational Fluid Dynamics | 24 | 755 | 111 | 100 |
| 753 | Radiobiology | 29 | 753 | 315 | 385 |
| 754 | blood transfusion | 21 | 748 | 167 | 118 |
| 755 | Chromatographic analysis | 29 | 746 | 433 | 360 |
| 756 | Combinatorial analysis | 27 | 737 | 250 | 117 |
| 757 | Learning disabilities | 37 | 733 | 141 | 194 |
| 757 | Educational Change | 10 | 733 | 8 | 5 |
| 759 | Bioelectronics | 14 | 731 | 411 | 489 |
| 760 | gastrointestinal tract | 11 | 730 | 83 | 76 |
| 761 | Jurisprudence | 61 | 729 | 70 | 171 |
| 762 | Agronomy | 9 | 728 | 167 | 152 |
| 763 | Ultrasonic Imaging | 28 | 727 | 61 | 62 |
| 764 | Electrochemical Analysis | 21 | 718 | 517 | 429 |
| 765 | Industrial Policy | 27 | 717 | 51 | 106 |
| 766 | food handling | 19 | 716 | 191 | 209 |
| 766 | Capitalism | 24 | 716 | 3 | 6 |
| 768 | Radiation effects | 16 | 715 | 124 | 119 |
| 769 | magnetic resonance | 11 | 710 | 204 | 34 |
| 770 | Electrophysiology | 14 | 707 | 368 | 187 |
| 771 | Bioinorganic chemistry | 29 | 706 | 383 | 401 |
| 772 | health services accessibility | 28 | 705 | 181 | 189 |
| 773 | Africa | 40 | 703 | 204 | 184 |
| 774 | Ecosystem management | 11 | 700 | 268 | 173 |
| 775 | Phylogeny | 13 | 698 | 330 | 293 |
| 776 | Chemical processes | 34 | 696 | 48 | 69 |
| 777 | Uncertainty | 13 | 694 | 26 | 32 |
| 778 | Fiber Optics | 37 | 693 | 177 | 230 |
| 779 | Adult Education | 81 | 690 | 15 | 39 |
| 779 | Comparative Education | 23 | 690 | 15 | 8 |
| 781 | International Education | 27 | 685 | 11 | 17 |
| 781 | Speech | 30 | 685 | 193 | 293 |
| 783 | Civil Engineering | 55 | 680 | 189 | 191 |
| 784 | Hydrodynamics | 13 | 677 | 232 | 164 |
| 785 | Electrophoresis | 26 | 672 | 402 | 434 |
| 786 | Employee selection | 3 | 670 | 123 | 11 |
| 787 | Chromatography | 25 | 664 | 394 | 352 |
| 788 | Organometallic chemistry | 28 | 663 | 558 | 459 |
| 788 | Europa | 23 | 663 | 87 | 103 |
| 790 | Synapses | 7 | 662 | 126 | 56 |
| 791 | Paleoceanography | 10 | 655 | 77 | 83 |
| 792 | embryonic development | 10 | 649 | 153 | 71 |
| 793 | software | 21 | 639 | 203 | 292 |
| 794 | breastfeeding | 10 | 638 | 151 | 67 |
| 795 | poverty | 13 | 636 | 75 | 42 |
| 796 | Petroleum Engineering | 20 | 634 | 191 | 161 |
| 797 | amino acids | 12 | 632 | 144 | 88 |
| 798 | Simulation Methods | 17 | 628 | 219 | 100 |
| 799 | Biogeochemical cycles | 5 | 625 | 277 | 231 |
| 799 | Hemophilia | 19 | 625 | 98 | 79 |
| 799 | tillage | 12 | 625 | 134 | 139 |
| 802 | child behavior | 10 | 624 | 153 | 130 |
| 803 | Synthetic biology | 16 | 623 | 77 | 68 |
| 804 | Land Use Planning | 22 | 615 | 50 | 102 |
| 805 | Organic Geochemistry | 17 | 614 | 99 | 134 |
| 805 | family violence | 15 | 614 | 114 | 110 |
| 807 | ethnicity | 24 | 611 | 119 | 64 |
| 807 | DNA methylation | 11 | 611 | 66 | 62 |
| 809 | Animal Biotechnology | 11 | 610 | 36 | 18 |
| 809 | Statistical Mechanics | 25 | 610 | 142 | 144 |
| 809 | Exercise | 27 | 610 | 347 | 392 |
| 812 | Computational Intelligence | 34 | 609 | 51 | 85 |
| 812 | Action Research | 22 | 609 | 10 | 11 |
| 814 | structural stability | 4 | 608 | 273 | 96 |
| 814 | Chromosomes | 17 | 608 | 259 | 289 |
| 816 | Eating Disorders | 23 | 606 | 229 | 268 |
| 817 | Labor Economics | 15 | 605 | 128 | 113 |
| 818 | drug resistance | 7 | 603 | 336 | 144 |
| 819 | Child welfare | 29 | 601 | 245 | 262 |
| 820 | Feasibility studies | 55 | 599 | 8 | 22 |
| 820 | technical education | 24 | 599 | 97 | 75 |
| 822 | Discourse Analysis | 27 | 592 | 25 | 73 |
| 822 | Microbial Biotechnology | 17 | 592 | 196 | 197 |
| 822 | internet | 14 | 592 | 628 | 530 |
| 825 | Neuroimmunology | 16 | 590 | 197 | 279 |
| 826 | Women's health | 19 | 589 | 327 | 265 |
| 827 | Pharmacognosy | 29 | 588 | 455 | 728 |
| 828 | landscapes | 24 | 582 | 9 | 16 |
| 828 | natural disasters | 12 | 582 | 499 | 378 |
| 830 | behavior modification | 5 | 581 | 300 | 189 |
| 831 | analysis | 16 | 576 | 111 | 123 |
| 832 | Hydrometeorology | 2 | 574 | 238 | 100 |
| 832 | Continuing Education | 49 | 574 | 21 | 23 |
| 832 | Feeding and Eating Disorders | 22 | 574 | 221 | 260 |
| 835 | exobiology | 6 | 573 | 161 | 99 |
| 836 | History | 316 | 572 | 23 | 62 |
| 837 | Geographic information systems | 26 | 571 | 181 | 161 |
| 838 | Health Services Administration | 25 | 570 | 186 | 242 |
| 838 | Political Sociology | 13 | 570 | 169 | 122 |
| 840 | Bioethics | 43 | 569 | 119 | 162 |
| 841 | Common Law | 59 | 568 | 12 | 12 |
| 841 | Intelligence | 8 | 568 | 121 | 84 |
| 841 | correctional psychology | 13 | 568 | 68 | 58 |
| 844 | thinking | 21 | 567 | 20 | 51 |
| 845 | Biofilms | 8 | 566 | 33 | 11 |
| 846 | Feminist theory | 7 | 563 | 87 | 22 |
| 847 | Planets | 15 | 561 | 678 | 736 |
| 848 | Semiotics | 29 | 559 | 20 | 10 |
| 848 | water supply | 16 | 559 | 312 | 369 |
| 850 | Smart Materials | 19 | 558 | 248 | 259 |
| 851 | Corporate governance | 19 | 555 | 50 | 116 |
| 851 | crime | 42 | 555 | 88 | 177 |
| 853 | disaster relief | 7 | 554 | 74 | 33 |
| 854 | General Surgery | 30 | 550 | 151 | 143 |
| 855 | Radiation | 22 | 547 | 711 | 576 |
| 856 | Economic Geography | 22 | 545 | 43 | 75 |
| 856 | solar cells | 19 | 545 | 198 | 333 |
| 858 | Nuclear Medicine | 19 | 543 | 287 | 289 |
| 858 | calcification | 8 | 543 | 262 | 183 |
| 860 | Adolescent Psychology | 22 | 542 | 206 | 327 |
| 860 | Insects | 24 | 542 | 368 | 385 |
| 862 | Travel | 19 | 535 | 169 | 143 |
| 863 | Strategic planning | 18 | 531 | 149 | 225 |
| 863 | Telecommunication | 31 | 531 | 744 | 979 |
| 865 | Plasma chemistry | 12 | 530 | 125 | 70 |
| 865 | Plasma polymerization | 12 | 530 | 70 | 45 |
| 867 | civilization | 114 | 529 | 27 | 30 |
| 868 | Photography | 146 | 528 | 146 | 138 |
| 868 | Thrombosis | 18 | 528 | 349 | 384 |
| 870 | Global Health | 24 | 527 | 195 | 198 |
| 870 | Soil ecology | 10 | 527 | 349 | 292 |
| 872 | solar power | 18 | 526 | 173 | 306 |
| 872 | Digestive system diseases | 18 | 526 | 307 | 294 |
| 874 | rare diseases | 19 | 523 | 143 | 184 |
| 875 | Proteome | 16 | 521 | 384 | 468 |
| 875 | protein | 23 | 521 | 326 | 413 |
| 877 | Optoelectronics | 34 | 520 | 43 | 30 |
| 878 | Agricultural Science | 3 | 519 | 200 | 113 |
| 878 | Fermentation | 24 | 519 | 34 | 36 |
| 880 | Environmental Law | 22 | 517 | 264 | 608 |
| 880 | Knowledge | 40 | 517 | 50 | 94 |
| 882 | Agricultural Engineering | 15 | 514 | 103 | 100 |
| 883 | Urology | 12 | 511 | 676 | 559 |
| 883 | Cellulose | 16 | 511 | 133 | 170 |
| 885 | Political Parties | 17 | 510 | 28 | 41 |
| 886 | Psychoneuroimmunology | 13 | 508 | 204 | 279 |
| 887 | Rural Development | 22 | 506 | 76 | 144 |
| 887 | Informatics | 21 | 506 | 150 | 251 |
| 889 | Consciousness | 19 | 505 | 86 | 125 |
| 890 | carbon monoxide | 10 | 502 | 86 | 82 |
| 890 | Suicide | 18 | 502 | 126 | 153 |
| 892 | Bones | 9 | 499 | 349 | 337 |
| 892 | Emotions | 17 | 499 | 196 | 299 |
| 894 | Electromagnetism | 29 | 497 | 218 | 291 |
| 895 | Otolaryngology | 14 | 493 | 182 | 155 |
| 896 | Popular culture | 25 | 492 | 53 | 31 |
| 897 | Matroids | 13 | 489 | 77 | 44 |
| 898 | Aquatic ecology | 15 | 484 | 305 | 262 |
| 899 | Socialism | 21 | 481 | 19 | 22 |
| 900 | Scandinavia | 12 | 480 | 196 | 137 |
| 901 | Holistic Health | 27 | 478 | 27 | 59 |
| 902 | visualization | 49 | 476 | 225 | 305 |
| 903 | Language Disorders | 37 | 475 | 156 | 259 |
| 904 | sexual behavior | 7 | 468 | 392 | 239 |
| 905 | Number Theory | 57 | 466 | 46 | 50 |
| 905 | Computational neuroscience | 10 | 466 | 1 | 2 |
| 905 | Cell cycle | 5 | 466 | 183 | 66 |
| 905 | cell proliferation | 5 | 466 | 212 | 69 |
| 909 | Information Systems | 25 | 464 | 278 | 421 |
| 910 | curriculum evaluation | 8 | 463 | 162 | 68 |
| 911 | Sleep Disorders | 16 | 462 | 539 | 525 |
| 911 | Sleep | 16 | 462 | 556 | 531 |
| 913 | Regional Economics | 6 | 460 | 278 | 102 |
| 913 | body temperature | 13 | 460 | 107 | 68 |
| 915 | Transgenic plants | 9 | 459 | 145 | 121 |
| 915 | machinery | 18 | 459 | 198 | 175 |
| 915 | optical devices | 14 | 459 | 111 | 73 |
| 918 | Oxidative stress | 10 | 456 | 338 | 480 |
| 919 | Photobiology | 15 | 455 | 441 | 450 |
| 920 | Nutritional support | 16 | 451 | 18 | 52 |
| 921 | Industrial Organization | 16 | 449 | 53 | 90 |
| 921 | Political Psychology | 9 | 449 | 158 | 149 |
| 923 | catalytic activity | 11 | 446 | 268 | 263 |
| 924 | Ethnic relations | 21 | 445 | 93 | 99 |
| 925 | DNA repair | 14 | 444 | 63 | 90 |
| 926 | Autism spectrum disorders | 10 | 443 | 3 | 9 |
| 927 | Biological Systems | 7 | 442 | 252 | 111 |
| 928 | Economic planning | 3 | 439 | 522 | 109 |
| 929 | hazard mitigation | 12 | 437 | 291 | 279 |
| 929 | allied health | 24 | 437 | 18 | 47 |
| 931 | Nondestructive testing | 18 | 435 | 154 | 175 |
| 931 | natural gas | 12 | 435 | 123 | 109 |
| 933 | Macroeconomics | 16 | 431 | 52 | 66 |
| 934 | Atmospheric Chemistry | 16 | 429 | 376 | 540 |
| 934 | civil rights | 23 | 429 | 37 | 53 |
| 936 | histological techniques | 10 | 428 | 320 | 322 |
| 936 | scientific societies | 12 | 428 | 263 | 220 |
| 938 | Quantum Optics | 21 | 426 | 251 | 256 |
| 939 | Architecture | 36 | 425 | 51 | 86 |
| 940 | Cardiovascular diseases | 15 | 423 | 595 | 593 |
| 941 | mental processes | 22 | 421 | 55 | 76 |
| 941 | race relations | 25 | 421 | 104 | 175 |
| 943 | healthcare disparities | 10 | 418 | 184 | 114 |
| 944 | Landscape Ecology | 9 | 414 | 186 | 187 |
| 944 | Extracellular matrix | 7 | 414 | 117 | 138 |
| 944 | collagen | 7 | 414 | 123 | 141 |
| 947 | epilepsy | 13 | 412 | 361 | 299 |
| 947 | Neuroplasticity | 5 | 412 | 131 | 40 |
| 949 | DNA | 17 | 410 | 102 | 126 |
| 949 | Minerals | 22 | 410 | 108 | 180 |
| 951 | Waste management | 14 | 408 | 515 | 407 |
| 952 | Invertebrates | 14 | 407 | 177 | 163 |
| 953 | ethnic groups | 13 | 404 | 92 | 87 |
| 953 | tests | 12 | 404 | 34 | 59 |
| 955 | Regional Development | 4 | 402 | 210 | 72 |
| 955 | Molecular Spectroscopy | 15 | 402 | 761 | 703 |
| 957 | Raman spectroscopy | 18 | 401 | 174 | 234 |
| 957 | Carbohydrates | 6 | 401 | 265 | 161 |
| 957 | Solar System | 5 | 401 | 558 | 347 |
| 960 | Environmental Geochemistry | 23 | 400 | 30 | 79 |
| 960 | Reading | 35 | 400 | 83 | 216 |
| 962 | Emergency Medicine | 14 | 399 | 511 | 367 |
| 962 | Risk assessment | 29 | 399 | 27 | 86 |
| 962 | Development planning | 2 | 399 | 302 | 62 |
| 962 | peace | 13 | 399 | 170 | 196 |
| 966 | scholarly publishing | 11 | 398 | 17 | 17 |
| 967 | Nanochemistry | 11 | 397 | 490 | 329 |
| 968 | Inflammation | 12 | 393 | 416 | 549 |
| 969 | Information Retrieval | 13 | 392 | 133 | 183 |
| 969 | Industrial Ecology | 5 | 392 | 106 | 88 |
| 969 | Evidence-Based Medicine | 14 | 392 | 199 | 178 |
| 969 | Financial Institutions | 13 | 392 | 57 | 82 |
| 973 | Structural design | 15 | 387 | 255 | 285 |
| 973 | bioclimatology | 13 | 387 | 277 | 286 |
| 975 | Genes | 13 | 386 | 422 | 397 |
| 976 | Thermodynamics | 25 | 385 | 252 | 265 |
| 977 | foreign exchange | 17 | 383 | 38 | 133 |
| 977 | Elderly | 28 | 383 | 315 | 247 |
| 977 | Industry | 4 | 383 | 107 | 89 |
| 977 | international cooperation | 16 | 383 | 159 | 216 |
| 981 | Ventilation | 18 | 382 | 109 | 160 |
| 982 | Neonatology | 19 | 380 | 109 | 162 |
| 982 | risk factors | 18 | 380 | 184 | 271 |
| 984 | Cognitive Psychology | 15 | 376 | 96 | 94 |
| 984 | Hydrogeology | 12 | 376 | 217 | 200 |
| 984 | Urban Policy | 14 | 376 | 259 | 327 |
| 984 | Multiple sclerosis | 25 | 376 | 84 | 101 |
| 988 | Vocational guidance | 7 | 375 | 554 | 469 |
| 989 | Pediatric Nursing | 18 | 374 | 92 | 102 |
| 989 | Melanoma | 7 | 374 | 72 | 68 |
| 991 | carcinogens | 10 | 370 | 418 | 448 |
| 992 | Hematopoietic stem cell transplantation | 8 | 369 | 173 | 173 |
| 992 | Flood forecasting | 8 | 369 | 17 | 7 |
| 992 | Flood control | 8 | 369 | 76 | 19 |
| 995 | Music | 24 | 365 | 157 | 212 |
| 996 | glycoproteins | 8 | 363 | 210 | 191 |
| 996 | Glycoconjugates | 8 | 363 | 210 | 191 |
| 996 | glycolipids | 8 | 363 | 210 | 191 |
| 999 | cryosphere | 8 | 362 | 199 | 194 |
| 999 | Steroids | 6 | 362 | 588 | 381 |