| 1 | Physics | 3,042 | 222.7K | 109 | 132 |
| 2 | Biology | 2,588 | 221.1K | 92 | 109 |
| 3 | Science | 2,546 | 214.4K | 100 | 116 |
| 4 | Natural history | 1,019 | 125.5K | 35 | 90 |
| 5 | Geophysics | 1,921 | 116.3K | 18 | 10 |
| 6 | Chemistry | 1,667 | 103.8K | 224 | 220 |
| 7 | Biochemistry | 2,450 | 99.7K | 115 | 136 |
| 8 | Ecology | 1,035 | 92.3K | 95 | 72 |
| 9 | Molecular Biology | 1,106 | 88.8K | 201 | 143 |
| 10 | Medicine | 1,573 | 77.0K | 175 | 186 |
| 11 | Atmospheric Physics | 859 | 65.4K | 4 | 3 |
| 12 | Astronomy | 1,076 | 53.1K | 117 | 148 |
| 13 | Environment | 505 | 51.9K | 112 | 69 |
| 14 | Atmospheric Chemistry | 647 | 51.6K | 4 | 3 |
| 15 | Astrophysics | 942 | 49.3K | 161 | 212 |
| 16 | Meteorology | 577 | 48.6K | 36 | 23 |
| 17 | Human genetics | 189 | 47.6K | 138 | 109 |
| 18 | Geology | 936 | 46.7K | 23 | 28 |
| 19 | Colloids | 647 | 39.1K | 37 | 15 |
| 20 | Research | 955 | 38.1K | 228 | 207 |
| 21 | Microbiology | 601 | 38.0K | 257 | 236 |
| 22 | Pollution | 413 | 37.3K | 183 | 108 |
| 23 | Polymers | 898 | 36.5K | 80 | 67 |
| 24 | Cell Biology | 288 | 36.2K | 268 | 171 |
| 25 | Botany | 461 | 34.5K | 142 | 79 |
| 26 | Public Health | 822 | 32.6K | 87 | 112 |
| 27 | Environmental Health | 423 | 30.2K | 157 | 103 |
| 28 | Physiology | 699 | 29.6K | 87 | 94 |
| 29 | Psychology | 614 | 29.6K | 149 | 124 |
| 30 | Materials | 793 | 29.6K | 192 | 238 |
| 31 | Social Psychology | 145 | 29.4K | 182 | 49 |
| 32 | polymerization | 719 | 28.8K | 78 | 53 |
| 33 | Earth Sciences | 422 | 27.8K | 32 | 29 |
| 34 | management | 478 | 27.0K | 29 | 90 |
| 35 | Biophysics | 694 | 26.3K | 171 | 152 |
| 36 | Planets | 436 | 26.0K | 45 | 34 |
| 37 | Spectrum analysis | 450 | 25.8K | 211 | 219 |
| 38 | Geochemistry | 468 | 25.5K | 36 | 38 |
| 39 | Chemical Engineering | 546 | 24.9K | 159 | 149 |
| 40 | Computer Vision | 65 | 24.6K | 92 | 12 |
| 41 | Neurology | 435 | 23.9K | 342 | 322 |
| 42 | Clinical Psychology | 95 | 23.3K | 116 | 8 |
| 43 | Evolution | 181 | 22.7K | 91 | 44 |
| 44 | Biodiversity conservation | 160 | 22.6K | 53 | 33 |
| 45 | Biomedical Engineering | 519 | 22.1K | 101 | 84 |
| 46 | Transportation | 533 | 22.1K | 14 | 10 |
| 47 | Nanotechnology | 427 | 22.0K | 240 | 250 |
| 48 | Plant cells | 169 | 21.3K | 56 | 53 |
| 49 | Environmental Policy | 292 | 20.7K | 44 | 39 |
| 50 | Mathematics | 976 | 20.3K | 110 | 67 |
| 51 | Medical genetics | 261 | 20.3K | 146 | 124 |
| 52 | biological evolution | 116 | 20.2K | 192 | 72 |
| 53 | Genetics | 266 | 20.1K | 212 | 201 |
| 54 | Hydrology | 227 | 19.3K | 77 | 28 |
| 55 | Climate change | 94 | 19.1K | 52 | 24 |
| 56 | Eutrophication | 93 | 19.1K | 53 | 24 |
| 57 | psychopathology | 38 | 19.1K | 29 | 1 |
| 58 | Food additives | 203 | 18.8K | 9 | 5 |
| 59 | Nutrition | 408 | 18.7K | 101 | 99 |
| 60 | Food | 386 | 18.4K | 27 | 21 |
| 61 | hydrocolloids | 189 | 18.3K | 8 | 4 |
| 62 | Cytology | 292 | 18.1K | 303 | 306 |
| 63 | coal | 285 | 17.9K | 19 | 9 |
| 64 | Behavior | 220 | 17.3K | 182 | 113 |
| 65 | Sociology | 380 | 17.3K | 65 | 59 |
| 66 | Epidemiology | 348 | 17.1K | 114 | 101 |
| 67 | Surface Chemistry | 374 | 17.1K | 138 | 99 |
| 68 | arthritis | 230 | 16.2K | 29 | 25 |
| 69 | Obesity | 208 | 15.6K | 74 | 38 |
| 70 | Neurophysiology | 232 | 15.5K | 200 | 176 |
| 71 | Pharmacology | 355 | 15.5K | 359 | 263 |
| 72 | concrete | 119 | 15.4K | 46 | 22 |
| 73 | United Kingdom | 383 | 15.3K | 19 | 17 |
| 74 | Plants | 139 | 15.2K | 104 | 55 |
| 75 | Environmental Engineering | 232 | 15.1K | 136 | 129 |
| 76 | Psychophysiology | 249 | 15.0K | 199 | 161 |
| 77 | Materials Science | 298 | 14.9K | 286 | 254 |
| 78 | Biocompatible Materials | 308 | 14.8K | 198 | 227 |
| 79 | Combustion | 299 | 14.8K | 22 | 18 |
| 80 | Zoology | 230 | 14.7K | 74 | 12 |
| 81 | Geography | 302 | 14.5K | 52 | 37 |
| 82 | Rheumatology | 223 | 14.4K | 19 | 17 |
| 83 | Hematology | 244 | 14.3K | 203 | 166 |
| 84 | Virology | 235 | 13.9K | 181 | 251 |
| 85 | plant molecular biology | 131 | 13.9K | 87 | 68 |
| 86 | Education | 529 | 13.9K | 65 | 74 |
| 87 | atmospheric models | 163 | 13.9K | 14 | 9 |
| 88 | Biodiversity | 151 | 13.6K | 74 | 32 |
| 89 | Biotechnology | 256 | 13.3K | 395 | 380 |
| 90 | Health Services Research | 272 | 13.2K | 31 | 23 |
| 91 | Condensed Matter | 417 | 13.2K | 249 | 283 |
| 92 | Business | 201 | 13.2K | 18 | 62 |
| 93 | Composite Materials | 263 | 12.4K | 100 | 104 |
| 94 | Economics | 564 | 12.4K | 84 | 161 |
| 95 | Cancer | 273 | 12.3K | 189 | 209 |
| 96 | Leukemia | 49 | 12.3K | 156 | 30 |
| 97 | Geriatrics | 242 | 12.2K | 149 | 97 |
| 98 | Plant physiology | 134 | 12.1K | 154 | 71 |
| 99 | Solid State Physics | 387 | 12.1K | 290 | 290 |
| 100 | pain | 110 | 12.0K | 83 | 41 |
| 101 | medical education | 307 | 11.9K | 38 | 26 |
| 102 | human behavior | 155 | 11.9K | 146 | 122 |
| 103 | Geomorphology | 196 | 11.5K | 13 | 10 |
| 104 | Engineering | 364 | 11.5K | 87 | 56 |
| 105 | Surgery | 286 | 11.2K | 51 | 132 |
| 106 | Environmental monitoring | 130 | 11.1K | 257 | 109 |
| 107 | Bacteriology | 216 | 11.0K | 70 | 104 |
| 108 | Aging | 209 | 11.0K | 155 | 107 |
| 109 | Diabetes | 133 | 10.9K | 158 | 122 |
| 110 | Endocrinology | 175 | 10.9K | 263 | 243 |
| 111 | Cement | 70 | 10.9K | 37 | 19 |
| 112 | Statistical physics | 374 | 10.9K | 205 | 213 |
| 113 | Biogeochemistry | 117 | 10.8K | 48 | 25 |
| 114 | Animal Behavior | 170 | 10.8K | 149 | 115 |
| 115 | Plant Ecology | 117 | 10.7K | 100 | 41 |
| 116 | Climatology | 227 | 10.6K | 62 | 83 |
| 117 | marketing | 162 | 10.6K | 44 | 79 |
| 118 | Analytical Chemistry | 203 | 10.3K | 395 | 254 |
| 119 | Ethology | 141 | 10.2K | 110 | 86 |
| 120 | Catalysis | 179 | 10.2K | 426 | 330 |
| 121 | Meteorites | 134 | 10.0K | 70 | 71 |
| 122 | Biomass Energy | 96 | 9.9K | 179 | 83 |
| 123 | environmental protection | 203 | 9.8K | 81 | 83 |
| 124 | Petrology | 121 | 9.8K | 63 | 37 |
| 125 | environmental pollution | 187 | 9.8K | 291 | 241 |
| 126 | Mineralogy | 139 | 9.8K | 81 | 38 |
| 127 | Sedimentology | 158 | 9.5K | 3 | 2 |
| 128 | Energy Policy | 162 | 9.5K | 104 | 76 |
| 129 | Diabetes mellitus | 114 | 9.5K | 164 | 130 |
| 130 | Diet | 143 | 9.3K | 116 | 103 |
| 131 | Optics | 265 | 9.3K | 338 | 208 |
| 132 | Human Geography | 178 | 9.3K | 32 | 18 |
| 133 | Molecular structure | 118 | 9.1K | 120 | 70 |
| 134 | Animal ecology | 123 | 9.0K | 51 | 17 |
| 135 | Tribology | 367 | 8.9K | 7 | 9 |
| 136 | energy conservation | 111 | 8.6K | 115 | 94 |
| 137 | Psychiatry | 177 | 8.6K | 363 | 346 |
| 138 | plant communities | 78 | 8.6K | 79 | 26 |
| 139 | mass transfer | 129 | 8.5K | 86 | 41 |
| 140 | sanitation | 106 | 8.5K | 124 | 132 |
| 141 | diseases | 9 | 8.5K | 111 | 42 |
| 141 | Disease | 9 | 8.5K | 103 | 42 |
| 143 | Environmental Management | 191 | 8.4K | 61 | 79 |
| 144 | Medical Anthropology | 146 | 8.4K | 53 | 53 |
| 145 | food technology | 172 | 8.4K | 125 | 68 |
| 146 | Europe | 442 | 8.3K | 46 | 74 |
| 147 | feeding behavior | 184 | 8.3K | 4 | 5 |
| 148 | Appetite | 181 | 8.2K | 2 | 5 |
| 149 | Immunology | 140 | 8.1K | 368 | 343 |
| 150 | Medical Microbiology | 112 | 8.1K | 194 | 144 |
| 151 | Metabolism | 128 | 8.0K | 288 | 257 |
| 152 | Pathology | 188 | 8.0K | 133 | 150 |
| 153 | nanoscience | 125 | 7.9K | 271 | 236 |
| 154 | Quality of life | 96 | 7.9K | 44 | 29 |
| 155 | Water pollution | 251 | 7.7K | 64 | 144 |
| 156 | Social Sciences | 274 | 7.5K | 98 | 111 |
| 157 | Bioorganic chemistry | 159 | 7.4K | 147 | 113 |
| 158 | Water | 155 | 7.4K | 144 | 205 |
| 159 | rehabilitation | 174 | 7.4K | 94 | 84 |
| 160 | Regional Planning | 178 | 7.4K | 28 | 30 |
| 161 | Renewable Energy Sources | 115 | 7.2K | 149 | 216 |
| 162 | Nuclear Physics | 260 | 7.2K | 605 | 613 |
| 163 | Diagnostic microbiology | 52 | 7.1K | 137 | 66 |
| 164 | Magnetic Resonance Imaging | 130 | 7.1K | 9 | 6 |
| 165 | Medical Imaging | 128 | 7.1K | 6 | 5 |
| 166 | Mental Disorders | 151 | 7.0K | 211 | 248 |
| 167 | Toxicology | 129 | 7.0K | 517 | 361 |
| 168 | Neurochemistry | 152 | 6.8K | 199 | 186 |
| 169 | Cardiovascular system | 76 | 6.8K | 204 | 199 |
| 170 | Economic History | 403 | 6.8K | 34 | 86 |
| 171 | Health Policy | 276 | 6.7K | 60 | 78 |
| 172 | Photonics | 92 | 6.6K | 227 | 150 |
| 173 | Physical Chemistry | 125 | 6.5K | 174 | 131 |
| 174 | Sustainable Development | 104 | 6.5K | 44 | 54 |
| 175 | United States | 193 | 6.4K | 404 | 382 |
| 176 | health planning | 246 | 6.4K | 10 | 17 |
| 177 | Agriculture | 96 | 6.2K | 159 | 87 |
| 178 | Rheology | 103 | 6.2K | 15 | 8 |
| 179 | energy resources | 100 | 6.1K | 33 | 57 |
| 180 | industrial relations | 209 | 6.1K | 11 | 7 |
| 181 | Technology | 242 | 6.1K | 172 | 218 |
| 182 | Biochemical Engineering | 97 | 6.0K | 417 | 424 |
| 183 | Biogeography | 78 | 5.9K | 41 | 37 |
| 184 | Paleoclimatology | 106 | 5.9K | 43 | 32 |
| 185 | Telecommunication | 130 | 5.8K | 224 | 211 |
| 186 | Reproduction | 150 | 5.8K | 155 | 135 |
| 187 | Petroleum Geology | 114 | 5.8K | 9 | 6 |
| 188 | Health | 103 | 5.8K | 164 | 98 |
| 189 | Marine Geology | 110 | 5.7K | 7 | 6 |
| 190 | Bioengineering | 118 | 5.7K | 456 | 485 |
| 191 | Agricultural Ecology | 64 | 5.7K | 72 | 46 |
| 192 | Immunity | 68 | 5.6K | 266 | 288 |
| 193 | Cognition | 107 | 5.6K | 186 | 158 |
| 194 | Oncology | 92 | 5.5K | 191 | 320 |
| 195 | Agricultural Chemistry | 64 | 5.5K | 303 | 124 |
| 196 | Microwaves | 173 | 5.5K | 64 | 45 |
| 197 | Artificial Intelligence | 164 | 5.4K | 237 | 288 |
| 198 | Statistics | 193 | 5.4K | 157 | 169 |
| 199 | China | 84 | 5.4K | 299 | 90 |
| 200 | city planning | 146 | 5.4K | 51 | 52 |
| 201 | Paleoecology | 88 | 5.3K | 50 | 25 |
| 202 | Ceramics | 84 | 5.3K | 111 | 56 |
| 203 | Philosophy | 368 | 5.3K | 16 | 27 |
| 204 | Nonlinear Dynamics | 198 | 5.3K | 127 | 155 |
| 205 | Paleogeography | 85 | 5.2K | 33 | 21 |
| 206 | Metallurgy | 150 | 5.2K | 162 | 176 |
| 207 | miniaturization | 64 | 5.2K | 242 | 202 |
| 208 | Memory | 92 | 5.1K | 198 | 149 |
| 209 | Geodynamics | 101 | 5.1K | 37 | 37 |
| 210 | Organic Chemistry | 115 | 5.0K | 361 | 267 |
| 211 | organization | 56 | 5.0K | 61 | 81 |
| 212 | Brain | 148 | 5.0K | 280 | 333 |
| 213 | Engineering Mathematics | 198 | 5.0K | 33 | 41 |
| 214 | pigments | 154 | 4.9K | 6 | 6 |
| 215 | Mechanical Engineering | 210 | 4.9K | 82 | 69 |
| 216 | Mathematical Physics | 248 | 4.9K | 161 | 240 |
| 217 | Metabolic diseases | 67 | 4.9K | 350 | 303 |
| 218 | Computational Biology | 112 | 4.8K | 198 | 231 |
| 219 | Molecular Genetics | 97 | 4.8K | 154 | 183 |
| 220 | Oceanography | 85 | 4.8K | 232 | 181 |
| 221 | Glass | 70 | 4.8K | 96 | 57 |
| 222 | pottery | 70 | 4.8K | 93 | 56 |
| 222 | Decision making | 84 | 4.8K | 64 | 63 |
| 224 | personality | 48 | 4.7K | 289 | 169 |
| 225 | Fluid Mechanics | 134 | 4.7K | 63 | 70 |
| 226 | Membranes | 135 | 4.6K | 115 | 180 |
| 227 | Pharmaceutical Chemistry | 146 | 4.6K | 351 | 395 |
| 228 | Therapeutics | 73 | 4.6K | 188 | 122 |
| 229 | Medical Physics | 113 | 4.6K | 160 | 134 |
| 230 | Carbon | 84 | 4.6K | 75 | 105 |
| 231 | Developing countries | 184 | 4.5K | 59 | 112 |
| 232 | Economic Development | 96 | 4.5K | 86 | 104 |
| 233 | ecosystem | 56 | 4.4K | 123 | 86 |
| 234 | Building Materials | 93 | 4.4K | 158 | 160 |
| 235 | color | 214 | 4.3K | 2 | 3 |
| 236 | Social behavior | 49 | 4.3K | 162 | 85 |
| 237 | Developmental Biology | 63 | 4.3K | 317 | 290 |
| 238 | Lightweight concrete | 48 | 4.3K | 34 | 26 |
| 239 | Nanoparticles | 68 | 4.3K | 178 | 121 |
| 240 | viruses | 90 | 4.2K | 160 | 190 |
| 241 | Soft Condensed Matter | 102 | 4.2K | 66 | 50 |
| 242 | Environmental Chemistry | 33 | 4.2K | 403 | 236 |
| 243 | Biomechanics | 89 | 4.1K | 98 | 106 |
| 244 | Genomics | 99 | 4.1K | 330 | 298 |
| 245 | nucleic acids | 97 | 4.1K | 172 | 297 |
| 246 | Nanostructured Materials | 110 | 4.1K | 404 | 413 |
| 247 | Primary health care | 139 | 4.0K | 70 | 68 |
| 248 | biopolymers | 86 | 4.0K | 88 | 51 |
| 249 | Biogeochemical cycles | 37 | 4.0K | 50 | 40 |
| 250 | Automation | 95 | 4.0K | 261 | 290 |
| 251 | Neuropsychology | 88 | 4.0K | 279 | 238 |
| 252 | sustainability | 54 | 4.0K | 29 | 40 |
| 253 | genome | 50 | 3.9K | 199 | 218 |
| 254 | Soil Science | 66 | 3.9K | 225 | 138 |
| 255 | Plant diseases | 77 | 3.8K | 223 | 129 |
| 256 | behavioral medicine | 75 | 3.8K | 109 | 128 |
| 257 | Cognitive Science | 67 | 3.8K | 121 | 142 |
| 258 | Geomagnetism | 90 | 3.8K | 38 | 27 |
| 259 | Waste management | 163 | 3.7K | 14 | 21 |
| 260 | Metals | 104 | 3.7K | 201 | 218 |
| 261 | Electronics | 179 | 3.7K | 269 | 336 |
| 262 | Clinical Chemistry | 105 | 3.7K | 295 | 303 |
| 262 | Optical materials | 91 | 3.7K | 327 | 346 |
| 264 | Anatomy | 71 | 3.7K | 266 | 223 |
| 265 | Light | 36 | 3.7K | 145 | 137 |
| 266 | Cytogenetics | 49 | 3.6K | 206 | 195 |
| 267 | Communication | 117 | 3.6K | 146 | 188 |
| 268 | Wildlife conservation | 65 | 3.6K | 89 | 92 |
| 269 | Political Science | 200 | 3.6K | 78 | 140 |
| 270 | Manufacturing Processes | 98 | 3.6K | 215 | 177 |
| 271 | global environmental change | 74 | 3.6K | 28 | 38 |
| 272 | Environmental Law | 31 | 3.6K | 185 | 93 |
| 273 | Obstetrics | 99 | 3.6K | 250 | 210 |
| 274 | Engineering Geology | 113 | 3.5K | 72 | 93 |
| 275 | Conservation Biology | 47 | 3.5K | 127 | 77 |
| 276 | Neurobiology | 60 | 3.5K | 285 | 282 |
| 277 | Energy Conversion | 18 | 3.5K | 435 | 217 |
| 278 | Industrial Sociology | 64 | 3.5K | 1 | 2 |
| 279 | cryosphere | 77 | 3.5K | 19 | 27 |
| 280 | Water quality management | 127 | 3.5K | 49 | 57 |
| 281 | particles | 116 | 3.4K | 10 | 4 |
| 282 | Land use | 68 | 3.4K | 49 | 28 |
| 283 | Parasitic Diseases | 71 | 3.4K | 159 | 129 |
| 284 | psychotherapy | 94 | 3.4K | 106 | 166 |
| 285 | Child psychology | 81 | 3.4K | 199 | 241 |
| 286 | water supply | 87 | 3.4K | 68 | 105 |
| 287 | Crystal growth | 100 | 3.3K | 17 | 30 |
| 288 | cell membrane | 78 | 3.3K | 40 | 45 |
| 289 | Health Education | 123 | 3.3K | 136 | 140 |
| 290 | Public opinion | 55 | 3.3K | 8 | 13 |
| 291 | Electrochemistry | 167 | 3.3K | 486 | 539 |
| 291 | Bone diseases | 36 | 3.3K | 19 | 27 |
| 293 | Surface-Active Agents | 34 | 3.3K | 119 | 30 |
| 293 | Surface properties | 34 | 3.3K | 134 | 31 |
| 295 | Social policy | 96 | 3.3K | 20 | 9 |
| 296 | Marine Biology | 94 | 3.3K | 331 | 320 |
| 297 | drug therapy | 82 | 3.3K | 284 | 224 |
| 298 | Microbial Ecology | 44 | 3.3K | 462 | 401 |
| 299 | Host-parasite interactions | 57 | 3.2K | 137 | 209 |
| 300 | Computer Graphics | 131 | 3.2K | 103 | 154 |
| 301 | Fluid Dynamics | 110 | 3.2K | 51 | 53 |
| 302 | Criminology | 117 | 3.2K | 51 | 57 |
| 303 | Randomized Controlled Trials | 165 | 3.2K | 19 | 31 |
| 304 | Psychopharmacology | 62 | 3.2K | 200 | 219 |
| 305 | finance | 98 | 3.2K | 194 | 202 |
| 306 | Ceramic materials | 95 | 3.1K | 64 | 57 |
| 307 | Medical Oncology | 65 | 3.1K | 230 | 209 |
| 308 | Cosmochemistry | 70 | 3.1K | 42 | 47 |
| 309 | International Finance | 94 | 3.1K | 75 | 81 |
| 310 | Hazardous waste | 48 | 3.1K | 37 | 29 |
| 311 | Numerical Analysis | 129 | 3.1K | 100 | 109 |
| 312 | Food Microbiology | 52 | 3.1K | 118 | 104 |
| 313 | radioactive waste | 46 | 3.0K | 27 | 27 |
| 313 | industrial waste | 46 | 3.0K | 30 | 27 |
| 315 | Earthquake Engineering | 96 | 3.0K | 139 | 156 |
| 316 | Perception | 100 | 2.9K | 196 | 217 |
| 317 | Psycholinguistics | 21 | 2.9K | 291 | 116 |
| 317 | Bioinformatics | 57 | 2.9K | 294 | 281 |
| 319 | gene therapy | 38 | 2.9K | 154 | 113 |
| 320 | Ergonomics | 58 | 2.9K | 112 | 51 |
| 321 | Autoimmunity | 28 | 2.8K | 129 | 57 |
| 322 | Transportation Engineering | 61 | 2.8K | 15 | 10 |
| 323 | Population Genetics | 45 | 2.8K | 197 | 186 |
| 324 | Parasitology | 76 | 2.8K | 240 | 165 |
| 325 | Research Design | 47 | 2.8K | 147 | 120 |
| 326 | Business Ethics | 35 | 2.8K | 96 | 97 |
| 327 | Mental illness | 51 | 2.8K | 325 | 320 |
| 328 | counseling | 68 | 2.8K | 165 | 105 |
| 329 | Entomology | 91 | 2.8K | 222 | 166 |
| 330 | Heat Exchangers | 62 | 2.8K | 95 | 84 |
| 331 | Medical Technology | 66 | 2.7K | 87 | 65 |
| 331 | Sports Medicine | 72 | 2.7K | 367 | 315 |
| 333 | Public Administration | 150 | 2.7K | 43 | 101 |
| 334 | Public Policy | 108 | 2.7K | 95 | 141 |
| 335 | Solid State Chemistry | 84 | 2.7K | 334 | 220 |
| 336 | biological factors | 56 | 2.7K | 200 | 145 |
| 337 | Cell differentiation | 56 | 2.6K | 255 | 356 |
| 338 | Pharmacy | 64 | 2.6K | 281 | 202 |
| 339 | Forest Ecology | 26 | 2.6K | 238 | 105 |
| 340 | Structural Engineering | 89 | 2.6K | 177 | 174 |
| 341 | Molecular Microbiology | 35 | 2.6K | 175 | 172 |
| 342 | Molecular ecology | 43 | 2.6K | 173 | 188 |
| 343 | Orthopedics | 78 | 2.6K | 161 | 137 |
| 344 | Environmental Geology | 43 | 2.6K | 194 | 92 |
| 344 | Entrepreneurship | 34 | 2.6K | 90 | 154 |
| 346 | Oncogenes | 38 | 2.6K | 215 | 235 |
| 347 | free radicals | 29 | 2.6K | 298 | 202 |
| 348 | Transport | 55 | 2.6K | 34 | 29 |
| 349 | Image Processing | 72 | 2.6K | 285 | 326 |
| 350 | Embryology | 46 | 2.6K | 320 | 289 |
| 351 | Genetic engineering | 68 | 2.6K | 205 | 270 |
| 352 | proteins | 73 | 2.6K | 221 | 229 |
| 353 | Ultrasonics | 64 | 2.5K | 83 | 74 |
| 354 | Social Change | 47 | 2.5K | 33 | 59 |
| 355 | Sedimentary rocks | 64 | 2.5K | 10 | 13 |
| 356 | Respiration | 60 | 2.5K | 202 | 192 |
| 357 | Information Science | 55 | 2.5K | 330 | 262 |
| 358 | Nervous system | 72 | 2.5K | 349 | 425 |
| 359 | Forest Management | 25 | 2.5K | 234 | 101 |
| 360 | Hypertension | 42 | 2.5K | 323 | 358 |
| 360 | Africa | 159 | 2.5K | 38 | 30 |
| 362 | Genetic therapy | 35 | 2.5K | 183 | 120 |
| 363 | Systems Engineering | 69 | 2.4K | 204 | 169 |
| 364 | System analysis | 103 | 2.4K | 161 | 209 |
| 365 | commerce | 62 | 2.4K | 87 | 183 |
| 366 | Recycling | 21 | 2.4K | 100 | 40 |
| 367 | Industrial Engineering | 78 | 2.4K | 167 | 196 |
| 368 | Teaching | 67 | 2.4K | 192 | 157 |
| 369 | Water Purification | 103 | 2.4K | 22 | 38 |
| 370 | Project Management | 39 | 2.4K | 19 | 21 |
| 371 | Virulence | 48 | 2.4K | 159 | 236 |
| 372 | Nanostructures | 65 | 2.3K | 161 | 281 |
| 373 | Attention | 73 | 2.3K | 213 | 213 |
| 374 | Ore deposits | 59 | 2.3K | 36 | 34 |
| 375 | Small Business | 51 | 2.3K | 24 | 131 |
| 376 | Pediatrics | 48 | 2.3K | 423 | 391 |
| 377 | soil microbiology | 33 | 2.3K | 328 | 298 |
| 378 | Robotics | 88 | 2.3K | 129 | 183 |
| 379 | Microscopy | 86 | 2.3K | 56 | 84 |
| 380 | Signal Processing | 71 | 2.2K | 421 | 461 |
| 381 | Visual Perception | 79 | 2.2K | 189 | 213 |
| 382 | Nutrition physiology | 67 | 2.2K | 25 | 44 |
| 383 | Neurons | 13 | 2.2K | 240 | 270 |
| 384 | Detectors | 55 | 2.2K | 146 | 69 |
| 385 | Social work | 77 | 2.2K | 150 | 101 |
| 386 | Geographic information systems | 107 | 2.1K | 14 | 23 |
| 387 | Physical organic chemistry | 71 | 2.1K | 73 | 68 |
| 387 | Tourism | 38 | 2.1K | 272 | 259 |
| 389 | Computer-Aided Design | 38 | 2.1K | 180 | 87 |
| 390 | Information Technology | 47 | 2.1K | 311 | 271 |
| 391 | Paleontology | 69 | 2.1K | 158 | 110 |
| 392 | Ultrasound | 57 | 2.1K | 60 | 46 |
| 393 | Chronic diseases | 42 | 2.1K | 92 | 134 |
| 394 | Mass Spectrometry | 42 | 2.1K | 178 | 109 |
| 395 | Electrical Engineering | 132 | 2.1K | 318 | 295 |
| 396 | Antioxidants | 20 | 2.1K | 145 | 87 |
| 397 | Physical Geography | 25 | 2.1K | 54 | 13 |
| 398 | Child | 79 | 2.1K | 275 | 281 |
| 399 | Ocean Engineering | 62 | 2.1K | 271 | 263 |
| 400 | Palliative Care | 68 | 2.1K | 49 | 54 |
| 401 | mutagens | 25 | 2.1K | 158 | 88 |
| 402 | Educational Psychology | 73 | 2.0K | 178 | 227 |
| 403 | Environmental Toxicology | 15 | 2.0K | 973 | 357 |
| 404 | Sports | 68 | 2.0K | 318 | 303 |
| 404 | Culture | 119 | 2.0K | 23 | 36 |
| 406 | Export Marketing | 23 | 2.0K | 7 | 5 |
| 407 | Process Control | 24 | 2.0K | 188 | 129 |
| 408 | Rock Mechanics | 59 | 2.0K | 113 | 132 |
| 408 | Solar Energy | 36 | 2.0K | 262 | 179 |
| 410 | Signal Transduction | 35 | 2.0K | 257 | 257 |
| 411 | Cosmology | 43 | 2.0K | 52 | 57 |
| 411 | nuclear astrophysics | 43 | 2.0K | 29 | 41 |
| 413 | Fiber Optics | 24 | 2.0K | 256 | 99 |
| 414 | drugs | 65 | 2.0K | 242 | 245 |
| 415 | infection | 37 | 2.0K | 313 | 237 |
| 415 | enzymes | 68 | 2.0K | 117 | 158 |
| 417 | Green Chemistry | 40 | 2.0K | 334 | 354 |
| 418 | Histology | 46 | 2.0K | 345 | 298 |
| 419 | geological modeling | 24 | 1.9K | 60 | 37 |
| 420 | Photochemistry | 43 | 1.9K | 237 | 151 |
| 421 | Geochemical Modeling | 23 | 1.9K | 49 | 37 |
| 422 | Child Development | 72 | 1.9K | 269 | 353 |
| 423 | Cybernetics | 72 | 1.9K | 143 | 268 |
| 424 | Production Management | 22 | 1.9K | 320 | 259 |
| 425 | Parasites | 53 | 1.9K | 155 | 129 |
| 426 | Intelligent Transportation Systems | 55 | 1.9K | 103 | 138 |
| 427 | protein | 47 | 1.9K | 154 | 166 |
| 428 | Diagnostic Imaging | 70 | 1.9K | 219 | 278 |
| 429 | Oxidation-reduction | 20 | 1.8K | 190 | 158 |
| 430 | Algebra | 113 | 1.8K | 79 | 48 |
| 431 | Linguistics | 45 | 1.8K | 254 | 155 |
| 432 | cell physiology | 25 | 1.8K | 410 | 324 |
| 433 | Liquid Crystals | 90 | 1.8K | 60 | 20 |
| 434 | Ventilation | 33 | 1.8K | 49 | 27 |
| 435 | Infections | 32 | 1.8K | 201 | 189 |
| 436 | Thrombosis | 33 | 1.8K | 216 | 177 |
| 437 | Semiconductors | 69 | 1.8K | 228 | 160 |
| 438 | population geography | 61 | 1.8K | 2 | 7 |
| 439 | gene mapping | 36 | 1.8K | 390 | 374 |
| 440 | Medical innovations | 22 | 1.8K | 208 | 238 |
| 441 | mathematical analysis | 118 | 1.8K | 224 | 234 |
| 442 | International Relations | 137 | 1.8K | 31 | 97 |
| 443 | Soil Mechanics | 61 | 1.8K | 155 | 179 |
| 443 | Porous materials | 56 | 1.8K | 23 | 17 |
| 445 | Protein engineering | 32 | 1.8K | 12 | 16 |
| 446 | molecular design | 41 | 1.8K | 7 | 15 |
| 447 | vascular diseases | 22 | 1.7K | 176 | 145 |
| 448 | Textile industry | 101 | 1.7K | 20 | 16 |
| 449 | disabilities | 53 | 1.7K | 57 | 50 |
| 450 | Social welfare | 62 | 1.7K | 36 | 15 |
| 451 | Emotions | 25 | 1.7K | 128 | 108 |
| 452 | Greenhouse gases | 29 | 1.7K | 33 | 30 |
| 453 | indoor air pollution | 25 | 1.7K | 38 | 27 |
| 453 | Sick building syndrome | 25 | 1.7K | 38 | 27 |
| 455 | Radio | 60 | 1.7K | 224 | 306 |
| 456 | Patient education | 30 | 1.7K | 102 | 76 |
| 456 | Crystallography | 100 | 1.7K | 107 | 122 |
| 458 | Socialism | 47 | 1.6K | 4 | 2 |
| 459 | Microelectronics | 33 | 1.6K | 447 | 408 |
| 460 | Dermatology | 42 | 1.6K | 351 | 280 |
| 461 | Welfare Economics | 32 | 1.6K | 47 | 38 |
| 462 | Clinical Pharmacology | 46 | 1.6K | 173 | 142 |
| 463 | Magnetic Resonance Spectroscopy | 47 | 1.6K | 198 | 153 |
| 464 | Medical Laboratory Science | 50 | 1.6K | 314 | 441 |
| 465 | economic policy | 115 | 1.6K | 129 | 237 |
| 466 | Immune system | 11 | 1.6K | 407 | 318 |
| 467 | Mental Health Services | 63 | 1.6K | 115 | 127 |
| 468 | Bones | 30 | 1.6K | 132 | 145 |
| 469 | Liposomes | 19 | 1.6K | 113 | 68 |
| 470 | Production Engineering | 52 | 1.6K | 319 | 215 |
| 471 | atmosphere | 54 | 1.6K | 47 | 58 |
| 472 | Lipid bilayers | 14 | 1.6K | 131 | 64 |
| 473 | fertility | 28 | 1.6K | 238 | 212 |
| 474 | nuclear magnetic resonance | 56 | 1.6K | 158 | 149 |
| 475 | Mental Health | 67 | 1.6K | 170 | 186 |
| 476 | Liver diseases | 27 | 1.6K | 390 | 421 |
| 477 | Histochemistry | 20 | 1.6K | 305 | 77 |
| 478 | Molecules | 69 | 1.5K | 210 | 255 |
| 479 | Hormones | 34 | 1.5K | 262 | 232 |
| 479 | natural disasters | 40 | 1.5K | 109 | 118 |
| 481 | Data Mining | 35 | 1.5K | 216 | 249 |
| 482 | Quality Control | 40 | 1.5K | 201 | 157 |
| 483 | Logistics | 33 | 1.5K | 42 | 47 |
| 484 | Dynamics | 69 | 1.5K | 105 | 90 |
| 485 | Input-output analysis | 21 | 1.5K | 17 | 8 |
| 486 | Urban Policy | 33 | 1.5K | 92 | 60 |
| 487 | Molecular evolution | 25 | 1.5K | 382 | 327 |
| 488 | health services accessibility | 56 | 1.5K | 72 | 85 |
| 489 | Chemotherapy | 39 | 1.5K | 242 | 187 |
| 490 | Biosensors | 26 | 1.5K | 295 | 289 |
| 491 | Growth | 30 | 1.5K | 288 | 353 |
| 492 | Fisheries | 26 | 1.5K | 390 | 230 |
| 493 | lasers | 55 | 1.5K | 350 | 283 |
| 494 | actuators | 42 | 1.5K | 451 | 480 |
| 494 | Australia | 70 | 1.5K | 137 | 146 |
| 494 | transducers | 42 | 1.5K | 451 | 480 |
| 497 | Ferroelectricity | 54 | 1.5K | 120 | 67 |
| 498 | sedimentary basins | 46 | 1.4K | 9 | 14 |
| 499 | drug development | 18 | 1.4K | 236 | 235 |
| 500 | Feminism | 50 | 1.4K | 21 | 17 |
| 501 | Mycology | 53 | 1.4K | 220 | 289 |
| 502 | Physical fitness | 29 | 1.4K | 176 | 143 |
| 503 | Tropical Medicine | 36 | 1.4K | 291 | 170 |
| 504 | Applied Linguistics | 32 | 1.4K | 67 | 28 |
| 505 | Biometrics | 55 | 1.4K | 144 | 165 |
| 506 | Biomass | 26 | 1.4K | 61 | 67 |
| 507 | natural products | 23 | 1.4K | 509 | 234 |
| 508 | Learning | 38 | 1.4K | 261 | 304 |
| 509 | Organometallic compounds | 34 | 1.4K | 266 | 198 |
| 510 | Bioenergetics | 32 | 1.4K | 137 | 155 |
| 511 | Health Services Administration | 79 | 1.4K | 52 | 97 |
| 512 | Chromosome mapping | 31 | 1.4K | 380 | 369 |
| 512 | Bioelectronics | 22 | 1.4K | 267 | 272 |
| 514 | data collection | 25 | 1.4K | 169 | 197 |
| 515 | Chromatography | 45 | 1.3K | 217 | 156 |
| 516 | Schizophrenia | 18 | 1.3K | 330 | 227 |
| 517 | Quantum theory | 59 | 1.3K | 88 | 97 |
| 518 | Quantum electronics | 56 | 1.3K | 230 | 212 |
| 519 | Wireless Communication Systems | 63 | 1.3K | 375 | 463 |
| 520 | Developmental Psychology | 18 | 1.3K | 350 | 251 |
| 520 | Cardiovascular diseases | 50 | 1.3K | 281 | 299 |
| 522 | Allergy | 15 | 1.3K | 411 | 379 |
| 523 | Operations Research | 57 | 1.3K | 396 | 507 |
| 524 | Analytical Biochemistry | 24 | 1.3K | 421 | 248 |
| 525 | Rural Development | 25 | 1.3K | 62 | 51 |
| 526 | soil conservation | 27 | 1.3K | 76 | 35 |
| 527 | Psychosomatic Medicine | 24 | 1.3K | 173 | 149 |
| 528 | computer networks | 47 | 1.3K | 459 | 479 |
| 529 | Systems Biology | 43 | 1.3K | 217 | 223 |
| 530 | Knowledge | 61 | 1.3K | 19 | 28 |
| 530 | alcoholism | 37 | 1.3K | 312 | 310 |
| 532 | Crime prevention | 54 | 1.3K | 8 | 5 |
| 533 | Human-Computer Interaction | 42 | 1.3K | 167 | 194 |
| 534 | Computational Fluid Dynamics | 35 | 1.3K | 56 | 40 |
| 535 | Energy metabolism | 26 | 1.2K | 139 | 149 |
| 536 | Petroleum Engineering | 40 | 1.2K | 111 | 89 |
| 537 | Econometrics | 44 | 1.2K | 248 | 266 |
| 537 | Carcinogenesis | 32 | 1.2K | 147 | 175 |
| 539 | energy development | 26 | 1.2K | 95 | 206 |
| 540 | Radiobiology | 37 | 1.2K | 259 | 276 |
| 541 | Clinical Biochemistry | 17 | 1.2K | 352 | 181 |
| 542 | health behavior | 25 | 1.2K | 206 | 153 |
| 543 | Technological Innovations | 24 | 1.2K | 162 | 85 |
| 544 | Ultrasonic Imaging | 27 | 1.2K | 64 | 24 |
| 545 | Structural dynamics | 28 | 1.2K | 246 | 243 |
| 546 | Informatics | 19 | 1.2K | 182 | 97 |
| 547 | cultural policy | 64 | 1.2K | 9 | 6 |
| 548 | Genetic regulation | 17 | 1.2K | 338 | 280 |
| 549 | Groundwater | 24 | 1.2K | 101 | 60 |
| 550 | land degradation | 25 | 1.2K | 28 | 17 |
| 550 | degradation | 25 | 1.2K | 28 | 17 |
| 552 | Cognitive neuroscience | 32 | 1.2K | 237 | 310 |
| 553 | Radiation effects | 8 | 1.2K | 288 | 57 |
| 554 | Infertility | 21 | 1.2K | 262 | 237 |
| 555 | histological techniques | 17 | 1.2K | 192 | 127 |
| 556 | Drug design | 19 | 1.2K | 439 | 234 |
| 556 | Molecular cloning | 33 | 1.2K | 233 | 206 |
| 556 | Genetic recombination | 33 | 1.2K | 229 | 205 |
| 556 | Recombinant DNA | 33 | 1.2K | 260 | 236 |
| 560 | air quality management | 16 | 1.2K | 79 | 38 |
| 561 | Organizational Behavior | 16 | 1.2K | 184 | 155 |
| 562 | Hydrogeology | 45 | 1.2K | 31 | 52 |
| 562 | Molecular recognition | 2 | 1.2K | 281 | 5 |
| 562 | Quantum Gravity | 47 | 1.2K | 698 | 716 |
| 565 | Mutagenesis | 11 | 1.2K | 108 | 15 |
| 566 | Critical Care | 23 | 1.2K | 424 | 475 |
| 567 | Risk | 26 | 1.2K | 74 | 84 |
| 568 | Proteome | 29 | 1.2K | 222 | 269 |
| 569 | Information Theory | 31 | 1.2K | 325 | 276 |
| 570 | Immunopathology | 44 | 1.1K | 215 | 278 |
| 571 | Ethics | 69 | 1.1K | 43 | 68 |
| 572 | Development | 44 | 1.1K | 73 | 161 |
| 573 | Computer Science | 59 | 1.1K | 169 | 192 |
| 574 | Population | 30 | 1.1K | 128 | 133 |
| 575 | Land Use Planning | 43 | 1.1K | 19 | 52 |
| 576 | Fungi | 42 | 1.1K | 155 | 251 |
| 576 | Insects | 26 | 1.1K | 333 | 226 |
| 578 | Production Planning | 21 | 1.1K | 17 | 18 |
| 578 | Production Control | 21 | 1.1K | 17 | 18 |
| 580 | Plant genetic engineering | 26 | 1.1K | 179 | 197 |
| 581 | Tunneling | 18 | 1.1K | 87 | 72 |
| 581 | underground construction | 18 | 1.1K | 87 | 72 |
| 583 | Critical Care Medicine | 19 | 1.1K | 463 | 497 |
| 583 | civil service | 54 | 1.1K | 13 | 48 |
| 585 | Asia | 97 | 1.1K | 154 | 286 |
| 586 | Plant Genetics | 19 | 1.1K | 183 | 198 |
| 587 | visualization | 55 | 1.1K | 200 | 149 |
| 588 | Stem cells | 18 | 1.1K | 490 | 376 |
| 589 | Sound | 43 | 1.1K | 148 | 137 |
| 589 | Economic Assistance | 41 | 1.1K | 59 | 152 |
| 591 | drug addiction | 29 | 1.1K | 271 | 269 |
| 592 | crime | 51 | 1.1K | 66 | 101 |
| 593 | innovation | 17 | 1.1K | 117 | 218 |
| 594 | Roads | 65 | 1.1K | 91 | 98 |
| 595 | nuclear magnetic resonance spectroscopy | 38 | 1.1K | 82 | 84 |
| 596 | Food texture | 25 | 1.1K | 14 | 12 |
| 597 | Granular materials | 38 | 1.0K | 31 | 29 |
| 598 | disease outbreaks | 19 | 1.0K | 114 | 85 |
| 598 | Epidemics | 19 | 1.0K | 111 | 85 |
| 600 | Europa | 42 | 1.0K | 31 | 56 |
| 601 | Immunogenetics | 12 | 1.0K | 230 | 84 |
| 602 | Eating Disorders | 22 | 1.0K | 237 | 160 |
| 602 | Feeding and Eating Disorders | 22 | 1.0K | 222 | 154 |
| 604 | Radiology | 66 | 1.0K | 132 | 172 |
| 604 | Organizational Sociology | 24 | 1.0K | 41 | 30 |
| 604 | Human Resources | 22 | 1.0K | 54 | 73 |
| 607 | Substance Abuse | 41 | 1.0K | 265 | 282 |
| 608 | social science | 10 | 1.0K | 42 | 31 |
| 609 | supercritical fluids | 17 | 1.0K | 103 | 56 |
| 610 | Control Theory | 46 | 1.0K | 346 | 369 |
| 611 | Chemical processes | 35 | 1.0K | 42 | 43 |
| 612 | Solitons | 43 | 988 | 82 | 128 |
| 612 | Fractals | 43 | 988 | 82 | 129 |
| 612 | Chaos | 43 | 988 | 82 | 128 |
| 615 | Volcanoes | 33 | 984 | 31 | 49 |
| 616 | hazard mitigation | 21 | 983 | 140 | 92 |
| 617 | Law | 89 | 980 | 82 | 97 |
| 618 | Economic Geography | 19 | 976 | 60 | 34 |
| 619 | Housing | 26 | 970 | 58 | 63 |
| 620 | Forecasting | 16 | 961 | 106 | 70 |
| 621 | Geriatric Psychiatry | 37 | 959 | 121 | 154 |
| 621 | Friction | 15 | 959 | 12 | 4 |
| 621 | Solar System | 26 | 959 | 226 | 217 |
| 624 | Aquatic ecology | 22 | 956 | 191 | 119 |
| 625 | carcinogens | 18 | 955 | 245 | 215 |
| 626 | Radiography | 22 | 946 | 198 | 267 |
| 627 | technical education | 31 | 942 | 57 | 37 |
| 628 | Gerontology | 50 | 938 | 323 | 361 |
| 629 | Invertebrates | 25 | 919 | 86 | 71 |
| 630 | world | 27 | 913 | 122 | 216 |
| 631 | Chemical kinetics | 23 | 912 | 109 | 20 |
| 632 | X-rays | 54 | 907 | 19 | 26 |
| 633 | planning | 33 | 905 | 60 | 53 |
| 634 | Adolescent | 53 | 900 | 326 | 471 |
| 635 | Industrial Microbiology | 22 | 899 | 543 | 591 |
| 636 | Ecosystem management | 22 | 897 | 116 | 131 |
| 637 | Physical Therapy | 25 | 896 | 318 | 310 |
| 638 | Ecological Engineering | 11 | 895 | 192 | 82 |
| 639 | Aerosols | 58 | 894 | 44 | 106 |
| 640 | Globalization | 41 | 893 | 28 | 59 |
| 641 | hygiene | 46 | 892 | 19 | 36 |
| 642 | biological invasions | 22 | 888 | 77 | 78 |
| 643 | Muscles | 24 | 887 | 187 | 212 |
| 643 | Radio frequency | 32 | 887 | 77 | 80 |
| 645 | Paleoceanography | 13 | 883 | 61 | 68 |
| 646 | Pregnancy | 27 | 879 | 130 | 117 |
| 647 | economic forecasting | 10 | 878 | 95 | 54 |
| 648 | Environmental Microbiology | 27 | 874 | 297 | 462 |
| 649 | Mathematics Education | 26 | 868 | 50 | 33 |
| 649 | Immunotherapy | 15 | 868 | 652 | 579 |
| 651 | Natural resources | 20 | 862 | 183 | 176 |
| 651 | Mass Media | 72 | 862 | 26 | 43 |
| 653 | Sustainable Engineering | 23 | 861 | 453 | 494 |
| 654 | consumer behavior | 9 | 846 | 223 | 136 |
| 654 | environmental issues | 23 | 846 | 40 | 42 |
| 656 | Radiation | 40 | 844 | 407 | 414 |
| 657 | Kinetics | 20 | 841 | 72 | 28 |
| 658 | Social perception | 3 | 839 | 125 | 22 |
| 658 | Cell death | 15 | 839 | 459 | 456 |
| 660 | Diplomatic relations | 108 | 837 | 23 | 24 |
| 661 | Nuclear Chemistry | 45 | 836 | 131 | 120 |
| 662 | Human Rights | 52 | 835 | 22 | 45 |
| 663 | Strategic planning | 26 | 831 | 80 | 130 |
| 664 | Simulation Methods | 33 | 828 | 66 | 65 |
| 665 | Chromatographic analysis | 27 | 820 | 481 | 335 |
| 666 | preventive medicine | 15 | 817 | 406 | 327 |
| 666 | environmental exposure | 26 | 817 | 444 | 505 |
| 666 | aerosol | 51 | 817 | 23 | 62 |
| 669 | Criminal investigation | 36 | 811 | 7 | 7 |
| 670 | Industrial Ecology | 11 | 809 | 39 | 42 |
| 670 | environmental auditing | 12 | 809 | 32 | 36 |
| 670 | Autoantibodies | 12 | 809 | 196 | 111 |
| 670 | Autoimmune diseases | 12 | 809 | 218 | 122 |
| 674 | Ecohydrology | 14 | 805 | 46 | 15 |
| 674 | Corporate Social Responsibility | 11 | 805 | 36 | 36 |
| 674 | Gene expression regulation | 11 | 805 | 389 | 269 |
| 677 | ethnicity | 36 | 802 | 62 | 38 |
| 677 | Bioinorganic chemistry | 35 | 802 | 322 | 356 |
| 679 | Dietetics | 42 | 800 | 85 | 113 |
| 680 | Food preferences | 31 | 797 | 40 | 71 |
| 681 | Telecommunication Systems | 49 | 795 | 158 | 237 |
| 682 | Chemical industry | 22 | 793 | 343 | 178 |
| 683 | Water Microbiology | 25 | 788 | 20 | 37 |
| 684 | Ethnic relations | 52 | 787 | 15 | 36 |
| 685 | Risk Management | 41 | 786 | 35 | 104 |
| 685 | Steroids | 33 | 786 | 165 | 210 |
| 687 | Neurosurgery | 9 | 783 | 498 | 270 |
| 688 | Family Therapy | 33 | 781 | 125 | 127 |
| 689 | consumers | 13 | 780 | 75 | 46 |
| 690 | Popular culture | 64 | 779 | 4 | 14 |
| 691 | food contamination | 28 | 777 | 113 | 84 |
| 692 | international trade | 34 | 775 | 53 | 113 |
| 693 | Developmental Disabilities | 15 | 772 | 372 | 330 |
| 694 | Vocational Education | 9 | 770 | 269 | 62 |
| 695 | Environmental Psychology | 13 | 759 | 83 | 105 |
| 696 | risk factors | 26 | 755 | 126 | 161 |
| 696 | wind erosion | 8 | 755 | 28 | 11 |
| 698 | Political Geography | 26 | 753 | 35 | 48 |
| 699 | Microbial Genetics | 6 | 749 | 191 | 83 |
| 699 | phytopathogenic bacteria | 6 | 749 | 140 | 79 |
| 701 | Global Health | 44 | 748 | 108 | 126 |
| 701 | drug resistance | 13 | 748 | 172 | 112 |
| 701 | Economic planning | 12 | 748 | 139 | 58 |
| 704 | environmental indicators | 22 | 742 | 225 | 303 |
| 705 | Second Language Acquisition | 6 | 740 | 93 | 34 |
| 705 | Photobiology | 13 | 740 | 523 | 268 |
| 707 | Industrial Safety | 24 | 737 | 237 | 224 |
| 708 | Cellulose | 22 | 735 | 96 | 124 |
| 709 | probabilities | 33 | 733 | 367 | 237 |
| 710 | Comparative Physiology | 16 | 731 | 278 | 211 |
| 711 | Pharmacogenetics | 13 | 730 | 320 | 247 |
| 712 | Probability | 28 | 728 | 76 | 112 |
| 712 | Electrophoresis | 14 | 728 | 667 | 407 |
| 714 | Parenteral nutrition | 17 | 727 | 306 | 307 |
| 715 | race relations | 38 | 723 | 48 | 89 |
| 716 | Crystallization | 22 | 722 | 89 | 52 |
| 717 | Mining Engineering | 24 | 717 | 99 | 119 |
| 718 | Mechatronics | 29 | 713 | 150 | 186 |
| 718 | Democracy | 18 | 713 | 37 | 14 |
| 720 | family counseling | 29 | 712 | 7 | 3 |
| 721 | Proteomics | 19 | 710 | 273 | 311 |
| 722 | Chemical analysis | 26 | 709 | 206 | 251 |
| 723 | Child welfare | 28 | 708 | 256 | 218 |
| 723 | Antigens | 17 | 708 | 249 | 200 |
| 725 | Stress | 10 | 707 | 62 | 15 |
| 726 | Municipal Engineering | 20 | 704 | 18 | 11 |
| 727 | Enteral nutrition | 16 | 703 | 246 | 256 |
| 728 | Regional Economics | 15 | 701 | 99 | 58 |
| 729 | Demography | 24 | 697 | 117 | 160 |
| 730 | Orthopedic Surgery | 15 | 696 | 230 | 148 |
| 731 | Middle East | 35 | 691 | 113 | 86 |
| 732 | Democratization | 17 | 690 | 6 | 9 |
| 733 | Psychometrics | 8 | 687 | 256 | 141 |
| 734 | Sexual health | 8 | 681 | 348 | 141 |
| 735 | Neuromuscular diseases | 17 | 679 | 185 | 162 |
| 736 | History | 415 | 677 | 15 | 58 |
| 737 | Soil dynamics | 21 | 675 | 114 | 109 |
| 738 | Molecular Spectroscopy | 13 | 673 | 832 | 432 |
| 739 | Oral Medicine | 25 | 669 | 104 | 60 |
| 740 | population trends | 9 | 668 | 17 | 24 |
| 741 | Qualitative Research | 31 | 667 | 52 | 110 |
| 742 | Socioeconomic Factors | 18 | 666 | 186 | 152 |
| 743 | bees | 9 | 664 | 174 | 82 |
| 744 | Clinical Immunology | 18 | 662 | 353 | 335 |
| 745 | Sociolinguistics | 15 | 659 | 115 | 64 |
| 746 | Educational Technology | 51 | 658 | 130 | 397 |
| 746 | intergroup relations | 6 | 658 | 97 | 37 |
| 748 | Developmental Genetics | 6 | 657 | 307 | 258 |
| 749 | vitamin C | 6 | 655 | 214 | 69 |
| 749 | vitamin E | 6 | 655 | 214 | 69 |
| 751 | Community Psychiatry | 17 | 653 | 287 | 278 |
| 751 | Venture Capital | 3 | 653 | 275 | 203 |
| 753 | Journalism | 47 | 652 | 39 | 61 |
| 754 | Molecular Pharmacology | 15 | 650 | 261 | 269 |
| 755 | Psychiatric Nursing | 33 | 649 | 68 | 66 |
| 756 | viral genetics | 4 | 648 | 211 | 198 |
| 757 | Drug delivery systems | 7 | 647 | 992 | 565 |
| 758 | Information Systems | 32 | 646 | 206 | 315 |
| 759 | Urban Planning | 9 | 645 | 152 | 70 |
| 760 | Marine Pollution | 22 | 644 | 331 | 419 |
| 760 | glycoproteins | 4 | 644 | 368 | 123 |
| 760 | Glycoconjugates | 4 | 644 | 368 | 123 |
| 760 | glycolipids | 4 | 644 | 368 | 123 |
| 764 | Adult Education | 59 | 642 | 28 | 46 |
| 765 | Transgenic plants | 13 | 641 | 108 | 93 |
| 766 | Random graphs | 19 | 640 | 34 | 23 |
| 767 | Structural optimization | 20 | 638 | 65 | 86 |
| 768 | drinking water | 34 | 636 | 2 | 1 |
| 768 | Jurisprudence | 71 | 636 | 55 | 182 |
| 770 | Corporate governance | 19 | 634 | 50 | 92 |
| 771 | drug evaluation | 21 | 633 | 317 | 302 |
| 772 | X-ray crystallography | 35 | 631 | 69 | 77 |
| 773 | Combinatorial analysis | 41 | 627 | 161 | 141 |
| 774 | pain management | 32 | 622 | 70 | 126 |
| 774 | Health insurance | 4 | 622 | 317 | 128 |
| 776 | Experimental Psychology | 17 | 617 | 201 | 218 |
| 776 | civilization | 181 | 617 | 9 | 23 |
| 778 | Architecture | 40 | 615 | 45 | 56 |
| 779 | Higher Education | 41 | 605 | 40 | 95 |
| 779 | Financial management | 21 | 605 | 62 | 141 |
| 781 | Raman spectroscopy | 22 | 604 | 136 | 144 |
| 782 | Social problems | 16 | 603 | 179 | 197 |
| 783 | Soil ecology | 12 | 599 | 304 | 252 |
| 784 | Vaccines | 23 | 598 | 455 | 494 |
| 785 | mycoses | 10 | 597 | 327 | 357 |
| 786 | Psychiatric Epidemiology | 12 | 596 | 159 | 144 |
| 787 | Feasibility studies | 55 | 595 | 8 | 20 |
| 788 | Japan | 46 | 594 | 234 | 306 |
| 789 | Organometallic chemistry | 38 | 591 | 410 | 506 |
| 789 | motor skills | 11 | 591 | 59 | 41 |
| 791 | European integration | 22 | 587 | 37 | 50 |
| 791 | European Economic Community | 22 | 587 | 37 | 50 |
| 793 | emergency management | 20 | 586 | 98 | 124 |
| 793 | construction | 31 | 586 | 13 | 39 |
| 795 | Neural circuitry | 24 | 585 | 575 | 720 |
| 796 | Animal breeding | 29 | 582 | 187 | 203 |
| 797 | Leadership | 6 | 579 | 318 | 209 |
| 798 | Photogrammetry | 23 | 578 | 160 | 40 |
| 799 | Bioremediation | 7 | 576 | 435 | 163 |
| 800 | calcification | 18 | 575 | 131 | 172 |
| 800 | Birds | 26 | 575 | 309 | 278 |
| 802 | Religion | 58 | 572 | 66 | 54 |
| 803 | Evolutionary Genetics | 15 | 570 | 110 | 97 |
| 803 | Molecular Epidemiology | 15 | 570 | 110 | 97 |
| 805 | Magnetic Materials | 26 | 569 | 424 | 507 |
| 806 | Special Education | 31 | 568 | 140 | 170 |
| 806 | Biodegradation | 20 | 568 | 80 | 147 |
| 808 | cell interaction | 13 | 565 | 392 | 380 |
| 809 | Investment analysis | 10 | 564 | 374 | 162 |
| 810 | Health promotion | 32 | 561 | 214 | 292 |
| 811 | Music | 31 | 558 | 122 | 129 |
| 811 | Wetland ecology | 10 | 558 | 136 | 77 |
| 813 | Ornithology | 23 | 557 | 268 | 222 |
| 814 | Theology | 111 | 554 | 22 | 6 |
| 814 | Semiotics | 23 | 554 | 34 | 10 |
| 816 | Antibodies | 15 | 548 | 188 | 171 |
| 816 | Chemical structure | 6 | 548 | 275 | 41 |
| 818 | Pediatric Neurology | 8 | 545 | 500 | 486 |
| 819 | freshwater biology | 14 | 543 | 298 | 264 |
| 820 | civil rights | 42 | 540 | 9 | 29 |
| 821 | Combinatorial chemistry | 15 | 534 | 225 | 307 |
| 822 | mutation | 14 | 532 | 157 | 195 |
| 822 | bioclimatology | 19 | 532 | 183 | 201 |
| 824 | police | 38 | 529 | 24 | 39 |
| 825 | food handling | 19 | 527 | 189 | 277 |
| 826 | Plastics | 46 | 525 | 231 | 469 |
| 826 | human development | 17 | 525 | 254 | 299 |
| 828 | Seismology | 12 | 524 | 183 | 133 |
| 829 | Humanities | 58 | 521 | 67 | 216 |
| 830 | community development | 21 | 519 | 99 | 102 |
| 830 | Performance | 16 | 519 | 59 | 87 |
| 832 | Traffic Engineering | 15 | 518 | 97 | 133 |
| 833 | History of Medicine | 40 | 517 | 40 | 19 |
| 834 | Political Sociology | 20 | 515 | 100 | 130 |
| 835 | Smoking | 14 | 513 | 271 | 272 |
| 836 | Building | 30 | 512 | 109 | 126 |
| 837 | Cell metabolism | 4 | 510 | 511 | 464 |
| 838 | Organic Geochemistry | 10 | 503 | 144 | 150 |
| 839 | Multilingualism | 6 | 501 | 148 | 31 |
| 840 | Animal Nutrition | 16 | 500 | 185 | 159 |
| 841 | Soil biology | 15 | 498 | 352 | 500 |
| 841 | Animal genetics | 17 | 498 | 176 | 165 |
| 841 | Ethnology | 23 | 498 | 367 | 270 |
| 844 | Uncertainty | 3 | 495 | 166 | 50 |
| 845 | Consciousness | 13 | 492 | 146 | 125 |
| 846 | food industry | 22 | 491 | 85 | 76 |
| 847 | older people | 35 | 490 | 341 | 374 |
| 848 | Women's health | 16 | 489 | 379 | 296 |
| 849 | Anthropology | 15 | 488 | 612 | 429 |
| 849 | Environmental Economics | 12 | 488 | 73 | 72 |
| 849 | Memory disorders | 17 | 488 | 36 | 63 |
| 852 | Homeostasis | 2 | 487 | 427 | 446 |
| 853 | Hydraulic Engineering | 18 | 483 | 316 | 304 |
| 853 | Aquaculture | 7 | 483 | 883 | 504 |
| 855 | Research methodology | 13 | 482 | 9 | 21 |
| 856 | Wildlife management | 23 | 481 | 118 | 129 |
| 857 | Freeze-Drying | 10 | 479 | 105 | 57 |
| 857 | Hypothermia | 10 | 479 | 105 | 57 |
| 857 | Freeze Drying | 10 | 479 | 105 | 57 |
| 860 | Cerebral cortex | 14 | 476 | 371 | 430 |
| 861 | Environmentalism | 8 | 475 | 47 | 39 |
| 861 | Enzyme | 11 | 475 | 176 | 173 |
| 863 | Sustainable agriculture | 20 | 470 | 117 | 196 |
| 864 | local government | 17 | 469 | 61 | 82 |
| 864 | cloning | 7 | 469 | 344 | 322 |
| 866 | Biopharmaceutics | 11 | 468 | 472 | 413 |
| 867 | Speech Disorders | 25 | 466 | 292 | 387 |
| 868 | RNA | 13 | 465 | 176 | 216 |
| 868 | Population Dynamics | 11 | 465 | 30 | 34 |
| 870 | Mixed methods research | 10 | 464 | 6 | 21 |
| 871 | Heart Failure | 9 | 462 | 172 | 174 |
| 872 | Advertising | 16 | 461 | 58 | 100 |
| 873 | Nursing | 31 | 459 | 432 | 471 |
| 874 | Freshwater invertebrates | 6 | 458 | 112 | 66 |
| 875 | Spine | 11 | 456 | 288 | 286 |
| 876 | Musicology | 15 | 455 | 31 | 16 |
| 877 | Power Electronics | 12 | 454 | 535 | 532 |
| 878 | Food Security | 11 | 453 | 29 | 32 |
| 879 | Parallel Processing | 11 | 448 | 184 | 196 |
| 879 | cytokines | 8 | 448 | 624 | 486 |
| 879 | Intellectual disability | 18 | 448 | 255 | 263 |
| 882 | Intercultural Communication | 13 | 446 | 98 | 88 |
| 882 | international cooperation | 31 | 446 | 74 | 187 |
| 884 | Wetland conservation | 4 | 445 | 212 | 75 |
| 884 | Wetlands | 4 | 445 | 221 | 75 |
| 886 | Organizational change | 16 | 443 | 151 | 202 |
| 887 | Oxidative stress | 8 | 442 | 423 | 490 |
| 888 | micromechanics | 10 | 441 | 275 | 190 |
| 888 | forest policy | 14 | 441 | 98 | 84 |
| 890 | Sea | 14 | 439 | 156 | 168 |
| 890 | Fishery resources | 14 | 439 | 176 | 185 |
| 892 | Product Design | 11 | 438 | 234 | 112 |
| 893 | occupational diseases | 13 | 437 | 275 | 283 |
| 894 | biological monitoring | 15 | 436 | 82 | 117 |
| 895 | Scandinavia | 13 | 435 | 185 | 146 |
| 896 | fuel cells | 17 | 433 | 457 | 669 |
| 897 | Regional Development | 8 | 432 | 116 | 59 |
| 897 | Development planning | 8 | 432 | 91 | 50 |
| 899 | Systems Analysis | 8 | 431 | 638 | 271 |
| 899 | Compassion | 1 | 431 | 11 | 4 |
| 899 | Empathy | 1 | 431 | 65 | 4 |
| 902 | Ophthalmology | 15 | 430 | 745 | 716 |
| 902 | Graph Theory | 38 | 430 | 101 | 130 |
| 902 | land tenure | 8 | 430 | 13 | 11 |
| 902 | Land reform | 8 | 430 | 13 | 11 |
| 902 | Structure-activity relationship | 7 | 430 | 87 | 92 |
| 902 | Breeding | 20 | 430 | 364 | 460 |
| 908 | Energy Consumption | 7 | 428 | 188 | 189 |
| 909 | Climate | 11 | 427 | 198 | 198 |
| 910 | complementary therapies | 28 | 423 | 272 | 496 |
| 911 | Logic | 22 | 421 | 85 | 73 |
| 912 | Juvenile delinquency | 24 | 418 | 60 | 90 |
| 913 | Archaeology | 21 | 417 | 442 | 436 |
| 913 | deviant behavior | 24 | 417 | 29 | 47 |
| 915 | transgenic organisms | 8 | 416 | 61 | 49 |
| 915 | transgenic animals | 8 | 416 | 56 | 46 |
| 915 | DNA polymerases | 4 | 416 | 292 | 316 |
| 918 | Safety management | 15 | 415 | 91 | 56 |
| 919 | Mycotoxins | 14 | 414 | 24 | 23 |
| 920 | economic development projects | 19 | 413 | 22 | 28 |
| 921 | Microwave devices | 18 | 412 | 135 | 134 |
| 922 | Forensic Psychiatry | 14 | 408 | 187 | 137 |
| 923 | Continuing Education | 24 | 405 | 63 | 42 |
| 923 | Scotland | 24 | 405 | 13 | 13 |
| 925 | Energy Storage | 14 | 404 | 484 | 543 |
| 925 | Geobiology | 20 | 404 | 86 | 136 |
| 925 | clay | 7 | 404 | 467 | 359 |
| 925 | software | 19 | 404 | 236 | 449 |
| 929 | Genetic Toxicology | 5 | 403 | 251 | 163 |
| 930 | India | 22 | 402 | 255 | 129 |
| 931 | Pharmacy management | 14 | 400 | 77 | 51 |
| 932 | Health Information Management | 15 | 398 | 29 | 253 |
| 933 | Urology | 21 | 397 | 517 | 619 |
| 933 | Cytoskeleton | 6 | 397 | 156 | 94 |
| 935 | Oral Pathology | 7 | 395 | 25 | 20 |
| 935 | Family | 28 | 395 | 219 | 333 |
| 937 | Computational Chemistry | 13 | 394 | 232 | 289 |
| 937 | Documentation | 10 | 394 | 91 | 82 |
| 937 | violence | 18 | 394 | 322 | 427 |
| 940 | Emergency Medicine | 7 | 392 | 754 | 370 |
| 940 | hospice care | 19 | 392 | 105 | 105 |
| 940 | Metaphor | 2 | 392 | 35 | 5 |
| 940 | population policy | 10 | 392 | 43 | 29 |
| 944 | Alzheimer's disease | 16 | 391 | 548 | 430 |
| 945 | Coastal zone management | 10 | 390 | 263 | 197 |
| 946 | Dementia | 20 | 388 | 465 | 391 |
| 947 | Public Relations | 17 | 387 | 88 | 112 |
| 947 | Alternative Medicine | 23 | 387 | 300 | 529 |
| 947 | Auditing | 9 | 387 | 148 | 139 |
| 950 | Veterinary Immunology | 6 | 386 | 202 | 107 |
| 950 | Geriatric Oncology | 13 | 386 | 176 | 217 |
| 950 | women | 24 | 386 | 149 | 125 |
| 953 | Gender Studies | 14 | 382 | 127 | 132 |
| 953 | Common Law | 31 | 382 | 20 | 19 |
| 953 | Elections | 30 | 382 | 46 | 102 |
| 956 | Geometry | 42 | 381 | 191 | 228 |
| 956 | Nuclear Medicine | 14 | 381 | 361 | 357 |
| 958 | Inflammation | 6 | 377 | 705 | 566 |
| 959 | soil management | 17 | 374 | 132 | 268 |
| 959 | Measurement | 8 | 374 | 782 | 471 |
| 961 | Emergency Medical Services | 7 | 373 | 332 | 137 |
| 962 | Arts | 29 | 372 | 15 | 14 |
| 962 | Food service management | 6 | 372 | 236 | 243 |
| 962 | peace | 20 | 372 | 115 | 201 |
| 965 | Algorithms | 15 | 370 | 193 | 162 |
| 966 | Neuropsychiatry | 12 | 369 | 321 | 330 |
| 966 | children | 17 | 369 | 117 | 207 |
| 968 | poverty | 8 | 367 | 130 | 89 |
| 969 | ethnic groups | 14 | 366 | 85 | 92 |
| 970 | Hemostasis | 17 | 364 | 231 | 244 |
| 971 | Autism | 16 | 363 | 213 | 332 |
| 971 | Money | 14 | 363 | 30 | 92 |
| 973 | Nuclear Energy | 23 | 362 | 254 | 296 |
| 973 | families | 26 | 362 | 191 | 259 |
| 975 | locomotion | 13 | 361 | 209 | 263 |
| 975 | posture | 13 | 361 | 209 | 263 |
| 975 | gait | 13 | 361 | 209 | 263 |
| 975 | walking | 13 | 361 | 209 | 263 |
| 979 | Cheminformatics | 7 | 360 | 118 | 180 |
| 980 | Political Economy | 25 | 359 | 9 | 10 |
| 980 | Protozoa | 11 | 359 | 142 | 155 |
| 980 | Sleep | 13 | 359 | 626 | 601 |
| 983 | Sleep Disorders | 12 | 358 | 646 | 600 |
| 983 | Protein folding | 7 | 358 | 32 | 21 |
| 985 | Language Disorders | 24 | 357 | 231 | 311 |
| 985 | extraterrestrial environment | 7 | 357 | 311 | 138 |
| 987 | Nuclear Engineering | 23 | 356 | 457 | 433 |
| 987 | Demographic research | 2 | 356 | 141 | 76 |
| 987 | gastrointestinal tract | 7 | 356 | 155 | 184 |
| 990 | Multivariate Analysis | 8 | 355 | 303 | 188 |
| 990 | Chromosomes | 13 | 355 | 347 | 440 |
| 992 | exobiology | 7 | 353 | 142 | 162 |
| 993 | Mechanics | 24 | 352 | 325 | 420 |
| 993 | biochemical markers | 8 | 352 | 261 | 122 |
| 995 | Radio wave propagation | 27 | 350 | 141 | 184 |
| 995 | Agricultural systems | 7 | 350 | 157 | 154 |
| 995 | disaster relief | 12 | 350 | 32 | 50 |
| 998 | Agronomy | 11 | 349 | 146 | 241 |
| 998 | Human biology | 11 | 349 | 259 | 175 |
| 1000 | Art Therapy | 13 | 348 | 33 | 22 |