| 1 | Physics | 6,818 | 406.7K | 33 | 56 |
| 2 | Chemistry | 9,582 | 387.9K | 8 | 20 |
| 3 | Biology | 3,093 | 258.9K | 88 | 105 |
| 4 | Science | 2,945 | 233.8K | 85 | 128 |
| 5 | Biochemistry | 4,947 | 201.0K | 35 | 54 |
| 6 | Molecular Biology | 2,345 | 127.1K | 60 | 110 |
| 7 | Natural history | 340 | 105.8K | 185 | 146 |
| 8 | Condensed Matter | 2,570 | 99.1K | 17 | 34 |
| 9 | Neurology | 1,541 | 98.6K | 104 | 111 |
| 10 | Medicine | 2,178 | 98.4K | 148 | 180 |
| 11 | Solid State Physics | 2,832 | 97.7K | 15 | 32 |
| 12 | Nuclear Physics | 2,708 | 96.1K | 50 | 59 |
| 13 | Microbiology | 1,779 | 91.2K | 52 | 86 |
| 14 | Research | 1,921 | 68.9K | 91 | 113 |
| 15 | Ecology | 1,087 | 65.7K | 107 | 121 |
| 16 | Astrophysics | 1,284 | 59.3K | 139 | 217 |
| 17 | Botany | 1,857 | 57.7K | 12 | 48 |
| 18 | Statistical physics | 1,748 | 56.5K | 12 | 17 |
| 19 | Biophysics | 1,475 | 54.6K | 59 | 45 |
| 20 | Cell Biology | 699 | 53.4K | 111 | 159 |
| 21 | Cytology | 775 | 52.2K | 119 | 163 |
| 22 | Materials | 1,001 | 48.4K | 155 | 163 |
| 23 | Biotechnology | 804 | 47.6K | 109 | 93 |
| 24 | Nanotechnology | 843 | 45.5K | 112 | 137 |
| 25 | Pollution | 547 | 42.0K | 150 | 98 |
| 26 | Neurophysiology | 690 | 41.7K | 53 | 80 |
| 27 | Psychophysiology | 763 | 40.2K | 49 | 53 |
| 28 | Astronomy | 768 | 39.7K | 211 | 256 |
| 29 | Environment | 537 | 39.2K | 118 | 119 |
| 30 | Immunology | 907 | 38.6K | 88 | 147 |
| 31 | Catalysis | 844 | 37.0K | 54 | 74 |
| 32 | Psychology | 839 | 36.7K | 96 | 102 |
| 33 | Pharmacology | 1,605 | 34.7K | 31 | 97 |
| 34 | Virology | 450 | 34.5K | 106 | 172 |
| 35 | Psychiatry | 681 | 33.6K | 121 | 136 |
| 36 | Human genetics | 271 | 31.9K | 111 | 230 |
| 37 | Polymers | 1,112 | 31.1K | 62 | 88 |
| 38 | Mathematical Physics | 829 | 30.9K | 16 | 18 |
| 39 | Spectrum analysis | 703 | 30.3K | 144 | 229 |
| 40 | Mathematics | 2,354 | 30.2K | 19 | 47 |
| 41 | Bioengineering | 511 | 29.9K | 82 | 109 |
| 42 | Nonlinear Dynamics | 823 | 29.6K | 9 | 11 |
| 43 | Physiology | 915 | 28.5K | 63 | 105 |
| 44 | Geophysics | 798 | 27.5K | 137 | 158 |
| 45 | Economics | 797 | 27.4K | 45 | 71 |
| 46 | Chemical Engineering | 1,005 | 27.2K | 57 | 120 |
| 47 | Environmental Health | 409 | 26.4K | 196 | 149 |
| 48 | drugs | 1,151 | 26.1K | 1 | 2 |
| 49 | Genetics | 384 | 23.8K | 179 | 229 |
| 50 | Animal Behavior | 448 | 23.0K | 21 | 32 |
| 51 | biological evolution | 263 | 22.0K | 62 | 66 |
| 52 | Colloids | 665 | 22.0K | 42 | 74 |
| 53 | polymerization | 795 | 20.9K | 68 | 96 |
| 54 | Physical Chemistry | 719 | 20.7K | 7 | 34 |
| 55 | Environmental Policy | 356 | 19.9K | 28 | 44 |
| 56 | Pharmaceutical Chemistry | 539 | 19.9K | 69 | 84 |
| 57 | Geology | 593 | 19.8K | 81 | 112 |
| 58 | Pathology | 720 | 19.6K | 14 | 52 |
| 59 | Surface Chemistry | 587 | 19.4K | 50 | 82 |
| 60 | Neuropsychology | 447 | 18.8K | 22 | 29 |
| 61 | Quantum Gravity | 500 | 18.6K | 108 | 132 |
| 62 | Hematology | 263 | 18.5K | 449 | 196 |
| 63 | Water pollution | 209 | 18.3K | 87 | 37 |
| 64 | Water | 217 | 18.3K | 93 | 58 |
| 65 | Biodiversity conservation | 173 | 18.1K | 54 | 51 |
| 66 | personality | 229 | 18.1K | 37 | 32 |
| 67 | Plant cells | 156 | 18.0K | 71 | 82 |
| 68 | Toxicology | 523 | 17.4K | 100 | 123 |
| 69 | Optics | 762 | 17.3K | 112 | 111 |
| 70 | Brain | 368 | 17.3K | 93 | 107 |
| 71 | environmental pollution | 294 | 16.7K | 179 | 136 |
| 72 | Evolution | 184 | 16.6K | 95 | 78 |
| 73 | Social Psychology | 276 | 16.4K | 79 | 82 |
| 74 | Biocompatible Materials | 348 | 16.4K | 171 | 213 |
| 75 | Materials Science | 481 | 15.8K | 196 | 262 |
| 76 | Medical genetics | 218 | 15.6K | 251 | 211 |
| 77 | Pharmacy | 1,042 | 15.4K | 4 | 21 |
| 78 | Drug delivery systems | 61 | 15.2K | 123 | 11 |
| 79 | nanoscience | 235 | 15.2K | 144 | 139 |
| 80 | Bacteriology | 228 | 15.1K | 80 | 87 |
| 81 | Neurobiology | 184 | 15.0K | 105 | 80 |
| 82 | Computational Biology | 361 | 14.9K | 30 | 113 |
| 83 | Nervous system | 279 | 14.8K | 73 | 111 |
| 84 | Microbial Ecology | 251 | 14.7K | 86 | 121 |
| 85 | Earth Sciences | 388 | 14.6K | 57 | 105 |
| 86 | Biopharmaceutics | 144 | 14.3K | 16 | 1 |
| 87 | Organic Chemistry | 367 | 14.0K | 77 | 67 |
| 88 | Artificial Intelligence | 263 | 13.6K | 142 | 82 |
| 89 | Biochemical Engineering | 155 | 13.6K | 240 | 237 |
| 90 | Biomedical Engineering | 423 | 13.5K | 128 | 134 |
| 91 | Immunity | 166 | 13.5K | 141 | 214 |
| 92 | miniaturization | 185 | 13.5K | 76 | 89 |
| 93 | Environmental Engineering | 167 | 13.4K | 236 | 160 |
| 94 | Climate change | 79 | 13.2K | 78 | 58 |
| 95 | Eutrophication | 78 | 13.2K | 78 | 58 |
| 96 | Analytical Chemistry | 577 | 13.2K | 96 | 182 |
| 97 | Energy Policy | 186 | 13.1K | 80 | 52 |
| 98 | Plants | 171 | 13.0K | 99 | 95 |
| 99 | Cognitive neuroscience | 190 | 12.8K | 23 | 45 |
| 100 | Bioorganic chemistry | 301 | 12.8K | 59 | 54 |
| 101 | Optical materials | 234 | 12.8K | 105 | 111 |
| 102 | Photonics | 198 | 12.7K | 55 | 54 |
| 103 | Public Health | 455 | 12.7K | 243 | 339 |
| 104 | Nanostructured Materials | 486 | 12.6K | 68 | 142 |
| 105 | nucleic acids | 184 | 12.5K | 79 | 152 |
| 106 | Behavior | 237 | 12.3K | 182 | 179 |
| 107 | Cancer | 351 | 12.3K | 225 | 347 |
| 108 | Meteorology | 280 | 12.2K | 145 | 175 |
| 109 | Metabolism | 207 | 12.1K | 235 | 234 |
| 110 | management | 178 | 12.1K | 234 | 223 |
| 111 | Comparative Physiology | 266 | 12.0K | 4 | 4 |
| 112 | Endocrinology | 200 | 11.8K | 295 | 300 |
| 113 | soil microbiology | 112 | 11.6K | 100 | 53 |
| 114 | human behavior | 184 | 11.5K | 125 | 132 |
| 115 | Ethology | 188 | 11.4K | 72 | 72 |
| 116 | Bioenergetics | 239 | 11.3K | 9 | 8 |
| 117 | Geochemistry | 302 | 11.3K | 92 | 128 |
| 118 | plant molecular biology | 141 | 11.3K | 89 | 105 |
| 119 | cell membrane | 235 | 11.1K | 9 | 7 |
| 120 | Meteorites | 221 | 11.1K | 47 | 70 |
| 121 | Plant physiology | 248 | 11.1K | 50 | 100 |
| 122 | Microelectronics | 193 | 11.0K | 88 | 103 |
| 123 | Histology | 391 | 10.9K | 16 | 41 |
| 124 | Energy metabolism | 226 | 10.9K | 9 | 8 |
| 125 | Environmental monitoring | 220 | 10.9K | 142 | 131 |
| 126 | Clinical Chemistry | 310 | 10.8K | 70 | 104 |
| 127 | Europe | 670 | 10.8K | 28 | 49 |
| 128 | drug therapy | 209 | 10.8K | 122 | 72 |
| 129 | Neurons | 64 | 10.6K | 97 | 115 |
| 130 | sanitation | 96 | 10.5K | 168 | 122 |
| 131 | Planets | 237 | 10.5K | 138 | 141 |
| 132 | Parasitology | 301 | 10.4K | 59 | 43 |
| 133 | Electrochemistry | 517 | 10.4K | 123 | 189 |
| 134 | Environmental Chemistry | 113 | 10.2K | 105 | 92 |
| 135 | Solid State Chemistry | 527 | 10.2K | 17 | 35 |
| 136 | Sociology | 464 | 9.9K | 47 | 124 |
| 137 | Bioinformatics | 221 | 9.9K | 47 | 133 |
| 138 | Food | 707 | 9.9K | 10 | 82 |
| 139 | Medical Laboratory Science | 161 | 9.7K | 44 | 29 |
| 140 | Technology | 393 | 9.7K | 105 | 133 |
| 141 | Energy Conversion | 69 | 9.5K | 117 | 96 |
| 142 | Nutrition | 618 | 9.4K | 63 | 304 |
| 142 | Biodiversity | 201 | 9.4K | 41 | 72 |
| 144 | Cognition | 286 | 9.2K | 43 | 83 |
| 145 | Light | 100 | 9.2K | 32 | 39 |
| 146 | Molecular structure | 144 | 9.0K | 95 | 79 |
| 147 | Mental Disorders | 211 | 9.0K | 214 | 280 |
| 148 | Medical Microbiology | 483 | 8.8K | 13 | 165 |
| 149 | Psychopharmacology | 132 | 8.8K | 141 | 112 |
| 150 | Electronics | 291 | 8.7K | 187 | 124 |
| 151 | Statistics | 347 | 8.7K | 83 | 126 |
| 152 | Neurochemistry | 199 | 8.6K | 152 | 173 |
| 153 | Soil biology | 76 | 8.5K | 77 | 47 |
| 154 | Renewable Energy Sources | 90 | 8.5K | 197 | 151 |
| 155 | Developmental Biology | 195 | 8.3K | 157 | 254 |
| 156 | Parasitic Diseases | 216 | 8.3K | 50 | 68 |
| 157 | Climatology | 183 | 8.3K | 124 | 158 |
| 158 | Cardiovascular system | 114 | 8.2K | 185 | 205 |
| 159 | Membranes | 190 | 8.2K | 67 | 89 |
| 160 | Soil Science | 278 | 8.1K | 47 | 65 |
| 161 | Cognitive Science | 154 | 8.1K | 27 | 63 |
| 162 | Memory | 208 | 8.0K | 97 | 101 |
| 163 | Environmental Management | 166 | 8.0K | 87 | 92 |
| 164 | Hypertension | 108 | 8.0K | 198 | 186 |
| 165 | Molecules | 425 | 7.9K | 7 | 27 |
| 166 | Land use | 131 | 7.8K | 8 | 5 |
| 167 | Engineering | 437 | 7.7K | 65 | 88 |
| 168 | genome | 145 | 7.7K | 78 | 178 |
| 169 | Numerical Analysis | 317 | 7.6K | 17 | 29 |
| 170 | Industrial Microbiology | 106 | 7.6K | 89 | 44 |
| 171 | Genomics | 186 | 7.6K | 182 | 195 |
| 172 | United Kingdom | 173 | 7.5K | 61 | 72 |
| 173 | Paleontology | 406 | 7.5K | 14 | 28 |
| 174 | Metabolic diseases | 129 | 7.4K | 292 | 325 |
| 175 | biological factors | 139 | 7.4K | 43 | 25 |
| 176 | United States | 223 | 7.4K | 414 | 383 |
| 177 | Aging | 289 | 7.4K | 126 | 194 |
| 178 | organization | 47 | 7.4K | 84 | 52 |
| 179 | Education | 401 | 7.4K | 121 | 162 |
| 180 | Hydrology | 208 | 7.3K | 112 | 138 |
| 181 | Allergy | 77 | 7.2K | 148 | 159 |
| 182 | Molecular Microbiology | 71 | 7.2K | 80 | 58 |
| 183 | Zoology | 390 | 7.0K | 42 | 93 |
| 184 | Organometallic compounds | 181 | 7.0K | 12 | 10 |
| 185 | Plant Ecology | 150 | 6.9K | 81 | 102 |
| 186 | Social Sciences | 384 | 6.7K | 66 | 120 |
| 187 | Child Development | 147 | 6.7K | 156 | 166 |
| 188 | Perception | 180 | 6.6K | 123 | 114 |
| 189 | Bioinorganic chemistry | 277 | 6.6K | 8 | 17 |
| 190 | Leukemia | 74 | 6.6K | 188 | 106 |
| 191 | Mental illness | 161 | 6.5K | 125 | 199 |
| 192 | Surgery | 61 | 6.5K | 456 | 355 |
| 193 | Pediatric Neurology | 66 | 6.5K | 133 | 138 |
| 194 | Sustainable Development | 134 | 6.4K | 36 | 56 |
| 195 | Nanostructures | 139 | 6.4K | 65 | 127 |
| 196 | Economic History | 331 | 6.4K | 78 | 99 |
| 197 | Business | 133 | 6.3K | 84 | 165 |
| 198 | Liver diseases | 64 | 6.3K | 266 | 225 |
| 199 | Anatomy | 238 | 6.2K | 63 | 178 |
| 200 | Econometrics | 155 | 6.1K | 47 | 87 |
| 200 | Evolutionary Computation | 6 | 6.1K | 201 | 6 |
| 202 | Biomechanics | 64 | 6.1K | 175 | 65 |
| 203 | Genetic algorithms | 5 | 6.1K | 141 | 3 |
| 204 | Educational Psychology | 221 | 6.0K | 32 | 70 |
| 205 | free radicals | 83 | 6.0K | 125 | 73 |
| 206 | Plant diseases | 151 | 5.9K | 155 | 104 |
| 207 | plant communities | 66 | 5.9K | 107 | 68 |
| 208 | Operations Research | 215 | 5.8K | 73 | 107 |
| 209 | Learning | 130 | 5.8K | 63 | 73 |
| 210 | fuel cells | 68 | 5.8K | 121 | 112 |
| 211 | Soft Condensed Matter | 197 | 5.7K | 9 | 21 |
| 212 | Developing countries | 156 | 5.7K | 92 | 83 |
| 213 | Transplantation | 103 | 5.7K | 143 | 130 |
| 214 | Visual Perception | 163 | 5.6K | 111 | 100 |
| 215 | Semantic web | 16 | 5.6K | 16 | 1 |
| 216 | Therapeutics | 95 | 5.6K | 180 | 150 |
| 217 | Biomass Energy | 55 | 5.6K | 419 | 208 |
| 218 | Planetary Science | 141 | 5.5K | 16 | 13 |
| 218 | Database Management | 152 | 5.5K | 26 | 35 |
| 220 | Attention | 161 | 5.5K | 119 | 107 |
| 221 | Electrical Engineering | 310 | 5.4K | 165 | 49 |
| 222 | arthritis | 114 | 5.4K | 114 | 151 |
| 223 | Semiconductors | 294 | 5.3K | 25 | 19 |
| 224 | global environmental change | 122 | 5.3K | 9 | 26 |
| 225 | Pharmaceutical Technology | 149 | 5.2K | 25 | 32 |
| 226 | Atmospheric Physics | 140 | 5.2K | 204 | 248 |
| 227 | Growth | 88 | 5.2K | 146 | 203 |
| 228 | Embryology | 183 | 5.2K | 96 | 241 |
| 229 | Electrophoresis | 108 | 5.2K | 69 | 32 |
| 230 | Oncology | 48 | 5.1K | 496 | 462 |
| 230 | Child psychology | 91 | 5.1K | 197 | 195 |
| 232 | Organometallic chemistry | 269 | 5.1K | 12 | 14 |
| 233 | behavioral medicine | 102 | 5.1K | 71 | 91 |
| 234 | energy resources | 84 | 5.1K | 59 | 88 |
| 235 | biopolymers | 174 | 5.1K | 19 | 26 |
| 236 | Photochemistry | 163 | 5.1K | 24 | 30 |
| 237 | gene mapping | 105 | 5.1K | 154 | 209 |
| 238 | Geometry | 312 | 5.0K | 4 | 8 |
| 239 | mathematical analysis | 367 | 5.0K | 19 | 41 |
| 240 | Diabetes | 110 | 5.0K | 317 | 392 |
| 241 | Cerebral cortex | 100 | 5.0K | 48 | 66 |
| 242 | Paleoclimatology | 119 | 5.0K | 43 | 44 |
| 243 | Quantum theory | 123 | 5.0K | 12 | 5 |
| 244 | Social behavior | 100 | 4.9K | 60 | 66 |
| 245 | Diabetes mellitus | 107 | 4.9K | 285 | 379 |
| 246 | Clinical Pharmacology | 115 | 4.9K | 70 | 42 |
| 247 | Developmental Psychology | 149 | 4.9K | 46 | 98 |
| 248 | viruses | 147 | 4.9K | 121 | 246 |
| 249 | Critical Care | 96 | 4.9K | 176 | 274 |
| 250 | environmental protection | 157 | 4.9K | 158 | 263 |
| 251 | Oncogenes | 65 | 4.8K | 165 | 185 |
| 252 | atmospheric models | 91 | 4.8K | 58 | 77 |
| 253 | Fisheries | 81 | 4.8K | 195 | 89 |
| 254 | Critical Care Medicine | 94 | 4.8K | 181 | 274 |
| 255 | Molecular evolution | 94 | 4.8K | 119 | 151 |
| 256 | Molecular Genetics | 117 | 4.7K | 160 | 220 |
| 257 | Magnetic Resonance Spectroscopy | 202 | 4.7K | 19 | 38 |
| 258 | Entomology | 301 | 4.7K | 76 | 120 |
| 259 | Geography | 228 | 4.7K | 102 | 161 |
| 260 | Epidemiology | 193 | 4.7K | 314 | 459 |
| 261 | Paleoecology | 107 | 4.6K | 41 | 37 |
| 262 | Plastics | 87 | 4.6K | 109 | 31 |
| 263 | Solar System | 119 | 4.6K | 91 | 99 |
| 264 | food technology | 84 | 4.6K | 307 | 181 |
| 265 | Economic Development | 99 | 4.6K | 102 | 107 |
| 266 | Mycology | 69 | 4.6K | 199 | 94 |
| 267 | environmental indicators | 61 | 4.5K | 54 | 18 |
| 268 | Clinical Psychology | 91 | 4.5K | 167 | 208 |
| 268 | Genetic engineering | 76 | 4.5K | 210 | 178 |
| 270 | Crystallography | 217 | 4.5K | 33 | 59 |
| 271 | infection | 153 | 4.4K | 48 | 119 |
| 272 | Host-parasite interactions | 72 | 4.4K | 128 | 201 |
| 273 | Agricultural Chemistry | 91 | 4.4K | 282 | 192 |
| 274 | natural products | 51 | 4.3K | 245 | 68 |
| 275 | cell physiology | 59 | 4.3K | 243 | 223 |
| 276 | nuclear magnetic resonance | 187 | 4.3K | 29 | 51 |
| 277 | Green Chemistry | 85 | 4.3K | 155 | 174 |
| 278 | city planning | 157 | 4.2K | 53 | 73 |
| 279 | Political Science | 245 | 4.2K | 57 | 127 |
| 280 | Infections | 140 | 4.1K | 23 | 100 |
| 281 | Geriatrics | 242 | 4.1K | 180 | 336 |
| 282 | Reproduction | 153 | 4.1K | 186 | 240 |
| 283 | Psycholinguistics | 117 | 4.1K | 58 | 87 |
| 284 | Paleogeography | 85 | 4.1K | 42 | 34 |
| 285 | Stochastic Processes | 119 | 4.1K | 8 | 3 |
| 286 | Regional Planning | 170 | 4.1K | 39 | 72 |
| 287 | Manufacturing Processes | 217 | 4.1K | 78 | 137 |
| 287 | Diagnostic microbiology | 50 | 4.1K | 223 | 205 |
| 289 | Environmental Microbiology | 103 | 4.1K | 44 | 133 |
| 290 | Mineralogy | 145 | 4.1K | 76 | 120 |
| 291 | Mass Spectrometry | 125 | 4.1K | 33 | 54 |
| 291 | proteins | 160 | 4.1K | 92 | 193 |
| 293 | Chromosome mapping | 91 | 4.1K | 142 | 171 |
| 294 | Health Policy | 179 | 4.0K | 123 | 174 |
| 295 | finance | 93 | 4.0K | 228 | 163 |
| 296 | Product life cycle | 78 | 4.0K | 5 | 11 |
| 297 | Liquid Crystals | 169 | 4.0K | 26 | 5 |
| 298 | green products | 76 | 4.0K | 5 | 11 |
| 299 | Bacterial infections | 94 | 3.9K | 25 | 88 |
| 300 | energy development | 41 | 3.9K | 46 | 72 |
| 301 | Metallurgy | 140 | 3.8K | 251 | 281 |
| 302 | Fungi | 64 | 3.8K | 107 | 88 |
| 303 | Chemical industry | 542 | 3.8K | 15 | 26 |
| 304 | Virulence | 68 | 3.8K | 132 | 195 |
| 305 | marketing | 74 | 3.8K | 219 | 237 |
| 306 | Food Microbiology | 57 | 3.8K | 140 | 106 |
| 307 | commerce | 96 | 3.8K | 58 | 134 |
| 308 | Marine Biology | 131 | 3.7K | 284 | 359 |
| 308 | Agriculture | 200 | 3.7K | 91 | 191 |
| 310 | Petrology | 110 | 3.7K | 71 | 119 |
| 311 | Cell differentiation | 74 | 3.7K | 297 | 431 |
| 312 | Production Engineering | 209 | 3.7K | 52 | 64 |
| 313 | Antigens | 77 | 3.7K | 41 | 43 |
| 314 | Data Mining | 76 | 3.7K | 52 | 110 |
| 315 | Dynamics | 131 | 3.6K | 50 | 29 |
| 316 | Cosmology | 106 | 3.6K | 88 | 54 |
| 317 | Obstetrics | 145 | 3.6K | 297 | 293 |
| 318 | energy conservation | 86 | 3.6K | 128 | 181 |
| 319 | probabilities | 202 | 3.6K | 24 | 23 |
| 320 | Animal ecology | 84 | 3.5K | 111 | 117 |
| 321 | Urology | 85 | 3.5K | 333 | 280 |
| 322 | Philosophy | 396 | 3.5K | 20 | 44 |
| 323 | Cytogenetics | 54 | 3.5K | 275 | 322 |
| 324 | Energy Storage | 68 | 3.5K | 101 | 88 |
| 325 | Immunotherapy | 45 | 3.5K | 373 | 324 |
| 326 | Parasites | 109 | 3.4K | 83 | 86 |
| 327 | Sustainable Engineering | 66 | 3.4K | 147 | 122 |
| 328 | Computational Chemistry | 74 | 3.4K | 11 | 84 |
| 329 | Bones | 46 | 3.4K | 150 | 76 |
| 330 | lasers | 145 | 3.4K | 72 | 37 |
| 331 | Industrial Engineering | 74 | 3.4K | 197 | 104 |
| 332 | Atomic spectroscopy | 188 | 3.4K | 8 | 38 |
| 333 | Atmospheric Chemistry | 78 | 3.4K | 182 | 244 |
| 334 | Emotions | 77 | 3.4K | 15 | 41 |
| 335 | Tropical Medicine | 96 | 3.3K | 108 | 68 |
| 336 | Nanoparticles | 100 | 3.3K | 115 | 166 |
| 337 | Phylogeny | 78 | 3.3K | 47 | 66 |
| 338 | Composite Materials | 73 | 3.3K | 451 | 419 |
| 339 | rehabilitation | 61 | 3.3K | 355 | 232 |
| 340 | actuators | 102 | 3.3K | 148 | 190 |
| 340 | transducers | 102 | 3.3K | 148 | 190 |
| 342 | Combinatorial analysis | 209 | 3.3K | 17 | 20 |
| 343 | Linguistics | 253 | 3.3K | 26 | 87 |
| 344 | Dermatology | 90 | 3.2K | 251 | 217 |
| 345 | Metals | 76 | 3.2K | 385 | 313 |
| 346 | gene therapy | 65 | 3.2K | 106 | 127 |
| 347 | Photobiology | 100 | 3.2K | 23 | 29 |
| 348 | Histochemistry | 169 | 3.1K | 13 | 39 |
| 349 | Agricultural Ecology | 152 | 3.1K | 27 | 112 |
| 350 | Ophthalmology | 85 | 3.1K | 257 | 258 |
| 351 | System analysis | 151 | 3.1K | 91 | 149 |
| 352 | language | 70 | 3.1K | 62 | 50 |
| 353 | Transportation | 85 | 3.1K | 203 | 170 |
| 354 | Rheumatology | 31 | 3.1K | 346 | 184 |
| 355 | Experimental Psychology | 27 | 3.0K | 125 | 46 |
| 356 | Chromosomes | 96 | 3.0K | 35 | 72 |
| 357 | Immune system | 41 | 3.0K | 200 | 357 |
| 358 | Health Education | 71 | 3.0K | 267 | 184 |
| 359 | Lipids | 146 | 3.0K | 24 | 145 |
| 360 | Genetic therapy | 69 | 2.9K | 125 | 150 |
| 361 | Teaching | 60 | 2.9K | 226 | 126 |
| 362 | data collection | 48 | 2.9K | 44 | 81 |
| 363 | Remote Sensing | 144 | 2.9K | 49 | 26 |
| 364 | Combinatorial chemistry | 23 | 2.9K | 192 | 76 |
| 365 | Antibodies | 55 | 2.9K | 33 | 30 |
| 366 | Product Design | 167 | 2.8K | 12 | 9 |
| 367 | Fluid Dynamics | 125 | 2.8K | 44 | 60 |
| 368 | Radiation | 87 | 2.8K | 205 | 143 |
| 369 | Proteome | 71 | 2.8K | 92 | 142 |
| 370 | Physical organic chemistry | 89 | 2.8K | 58 | 47 |
| 371 | Communication | 105 | 2.8K | 180 | 164 |
| 372 | Medical Physics | 48 | 2.8K | 437 | 226 |
| 372 | natural disasters | 55 | 2.8K | 71 | 52 |
| 374 | Geomorphology | 93 | 2.8K | 70 | 153 |
| 375 | Population | 43 | 2.8K | 147 | 49 |
| 376 | Gerontology | 164 | 2.8K | 143 | 193 |
| 377 | Chemical Ecology | 56 | 2.7K | 37 | 29 |
| 378 | Bacteria | 39 | 2.7K | 27 | 28 |
| 379 | medical education | 93 | 2.7K | 231 | 204 |
| 380 | Information Theory | 83 | 2.7K | 61 | 65 |
| 381 | Food additives | 64 | 2.7K | 96 | 102 |
| 382 | Telecommunication | 90 | 2.7K | 187 | 111 |
| 383 | environmental exposure | 69 | 2.7K | 158 | 137 |
| 384 | Pediatrics | 38 | 2.7K | 843 | 613 |
| 385 | Informatics | 73 | 2.6K | 18 | 62 |
| 386 | Environmental Toxicology | 63 | 2.6K | 295 | 355 |
| 387 | Water quality management | 88 | 2.6K | 92 | 88 |
| 388 | Steroids | 47 | 2.6K | 129 | 56 |
| 389 | Microorganisms | 42 | 2.6K | 174 | 215 |
| 390 | Speech | 48 | 2.5K | 132 | 81 |
| 391 | Electrochemical Analysis | 148 | 2.5K | 38 | 115 |
| 392 | Computer Graphics | 71 | 2.5K | 183 | 176 |
| 393 | Hormones | 47 | 2.5K | 225 | 157 |
| 394 | Public Policy | 109 | 2.5K | 109 | 174 |
| 395 | Databases | 91 | 2.5K | 20 | 36 |
| 396 | economic policy | 200 | 2.5K | 56 | 150 |
| 397 | Pharmacokinetics | 70 | 2.5K | 39 | 37 |
| 398 | cryosphere | 40 | 2.5K | 68 | 53 |
| 399 | Biogeochemistry | 72 | 2.5K | 126 | 254 |
| 400 | Microscopy | 122 | 2.5K | 65 | 96 |
| 401 | disease vectors | 67 | 2.5K | 58 | 54 |
| 402 | psychotherapy | 122 | 2.4K | 80 | 231 |
| 403 | health planning | 74 | 2.4K | 179 | 114 |
| 404 | Speech Disorders | 43 | 2.4K | 220 | 118 |
| 405 | Differential Equations | 105 | 2.4K | 26 | 35 |
| 406 | Proteomics | 52 | 2.4K | 98 | 125 |
| 407 | Mechanical Engineering | 143 | 2.4K | 147 | 161 |
| 408 | Spine | 31 | 2.4K | 176 | 106 |
| 409 | freshwater biology | 91 | 2.4K | 25 | 68 |
| 410 | innovation | 43 | 2.4K | 29 | 89 |
| 411 | Neurolinguistics | 41 | 2.4K | 34 | 28 |
| 412 | Mechanics | 139 | 2.4K | 26 | 69 |
| 413 | protein | 100 | 2.4K | 76 | 191 |
| 414 | Germany | 481 | 2.4K | 2 | 1 |
| 415 | sustainability | 42 | 2.4K | 41 | 82 |
| 416 | International Relations | 126 | 2.4K | 53 | 66 |
| 417 | Analytical Biochemistry | 67 | 2.4K | 135 | 176 |
| 417 | Waste management | 77 | 2.4K | 58 | 46 |
| 419 | Biogeography | 49 | 2.4K | 118 | 186 |
| 420 | Functional Analysis | 116 | 2.3K | 40 | 53 |
| 421 | pheromones | 45 | 2.3K | 39 | 33 |
| 422 | Wildlife conservation | 54 | 2.3K | 161 | 201 |
| 423 | hydrocolloids | 47 | 2.3K | 73 | 99 |
| 424 | Health | 133 | 2.3K | 148 | 304 |
| 425 | Environmental pollutants | 74 | 2.3K | 213 | 280 |
| 426 | Discrete geometry | 115 | 2.3K | 3 | 9 |
| 427 | enzymes | 81 | 2.3K | 99 | 165 |
| 428 | Respiration | 54 | 2.3K | 277 | 258 |
| 429 | computer networks | 97 | 2.3K | 160 | 180 |
| 430 | Hemodynamics | 43 | 2.3K | 94 | 110 |
| 430 | Quality of life | 71 | 2.3K | 86 | 165 |
| 432 | Medical innovations | 34 | 2.2K | 150 | 264 |
| 432 | China | 108 | 2.2K | 280 | 266 |
| 434 | Magnetic Resonance Imaging | 45 | 2.2K | 55 | 45 |
| 434 | Ethnology | 134 | 2.2K | 64 | 53 |
| 436 | Research Design | 55 | 2.2K | 156 | 182 |
| 437 | ecosystem | 45 | 2.2K | 215 | 247 |
| 438 | Genetic regulation | 45 | 2.2K | 178 | 300 |
| 439 | Plant Genetics | 35 | 2.2K | 102 | 109 |
| 440 | Aquaculture | 50 | 2.2K | 282 | 211 |
| 441 | Water Purification | 68 | 2.2K | 47 | 41 |
| 442 | Child | 64 | 2.2K | 459 | 355 |
| 443 | Medical Imaging | 37 | 2.2K | 52 | 40 |
| 443 | Soil ecology | 42 | 2.2K | 83 | 76 |
| 445 | Diagnostic Imaging | 101 | 2.2K | 176 | 313 |
| 446 | Morphology | 113 | 2.2K | 13 | 34 |
| 447 | emergency management | 48 | 2.2K | 34 | 24 |
| 448 | Animal Nutrition | 121 | 2.2K | 16 | 29 |
| 449 | Oceanography | 82 | 2.2K | 337 | 430 |
| 450 | animals | 83 | 2.1K | 83 | 61 |
| 451 | Social Change | 46 | 2.1K | 41 | 82 |
| 452 | nuclear magnetic resonance spectroscopy | 61 | 2.1K | 41 | 36 |
| 453 | Project Management | 19 | 2.1K | 48 | 25 |
| 454 | Environmental Geology | 74 | 2.1K | 72 | 109 |
| 455 | Building Materials | 47 | 2.1K | 274 | 289 |
| 456 | Conservation Biology | 49 | 2.1K | 148 | 190 |
| 457 | Geodynamics | 51 | 2.1K | 123 | 131 |
| 458 | Systems Biology | 100 | 2.1K | 56 | 121 |
| 459 | Combustion | 69 | 2.1K | 158 | 172 |
| 460 | Quantum Optics | 95 | 2.0K | 28 | 48 |
| 461 | nuclear astrophysics | 21 | 2.0K | 105 | 43 |
| 462 | Public opinion | 41 | 2.0K | 18 | 25 |
| 462 | Jurisprudence | 158 | 2.0K | 15 | 38 |
| 464 | Chemotherapy | 41 | 2.0K | 309 | 169 |
| 465 | Biometrics | 82 | 2.0K | 102 | 160 |
| 466 | Neurosurgery | 67 | 2.0K | 101 | 157 |
| 467 | Information Technology | 106 | 2.0K | 115 | 207 |
| 467 | environmental issues | 44 | 2.0K | 15 | 19 |
| 469 | Labor Economics | 34 | 2.0K | 36 | 29 |
| 470 | human development | 51 | 2.0K | 81 | 110 |
| 471 | Oxidation-reduction | 28 | 2.0K | 130 | 165 |
| 472 | Liposomes | 42 | 2.0K | 20 | 45 |
| 473 | occupational diseases | 40 | 2.0K | 139 | 97 |
| 474 | brain mapping | 65 | 2.0K | 45 | 125 |
| 475 | Energy Harvesting | 20 | 1.9K | 107 | 107 |
| 475 | Recombinant DNA | 50 | 1.9K | 177 | 181 |
| 477 | International Finance | 51 | 1.9K | 205 | 151 |
| 477 | concrete | 33 | 1.9K | 209 | 202 |
| 479 | Molecular cloning | 48 | 1.9K | 158 | 164 |
| 479 | Genetic recombination | 48 | 1.9K | 149 | 162 |
| 479 | mycoses | 26 | 1.9K | 146 | 195 |
| 482 | Public Administration | 58 | 1.9K | 197 | 143 |
| 483 | Lipid bilayers | 39 | 1.9K | 15 | 46 |
| 484 | bioclimatology | 42 | 1.9K | 58 | 47 |
| 485 | Plant Morphology | 82 | 1.9K | 16 | 18 |
| 485 | drug evaluation | 48 | 1.9K | 113 | 57 |
| 487 | Geomagnetism | 77 | 1.9K | 71 | 84 |
| 488 | Breeding | 88 | 1.8K | 107 | 195 |
| 489 | Inflammation | 82 | 1.8K | 39 | 139 |
| 490 | Pharmacognosy | 46 | 1.8K | 331 | 318 |
| 490 | catalytic activity | 47 | 1.8K | 47 | 63 |
| 492 | Neural circuitry | 49 | 1.8K | 262 | 276 |
| 493 | biocatalysis | 11 | 1.8K | 37 | 79 |
| 493 | Homogeneous catalysis | 11 | 1.8K | 37 | 79 |
| 493 | Heterogeneous catalysis | 11 | 1.8K | 37 | 79 |
| 496 | bees | 33 | 1.8K | 53 | 34 |
| 497 | Medical Technology | 64 | 1.7K | 128 | 171 |
| 498 | Thermodynamics | 111 | 1.7K | 38 | 47 |
| 499 | Magnetic Materials | 59 | 1.7K | 173 | 195 |
| 500 | Gene expression regulation | 37 | 1.7K | 161 | 254 |
| 501 | Carbon | 49 | 1.7K | 185 | 304 |
| 502 | Psychometrics | 48 | 1.7K | 53 | 86 |
| 502 | Development | 43 | 1.7K | 94 | 117 |
| 504 | Plant Taxonomy | 117 | 1.7K | 12 | 26 |
| 505 | Human Geography | 134 | 1.7K | 51 | 136 |
| 506 | Game Theory | 50 | 1.7K | 37 | 38 |
| 507 | Systems Engineering | 56 | 1.7K | 262 | 170 |
| 508 | Geriatric Oncology | 5 | 1.7K | 527 | 45 |
| 509 | Statistical Mechanics | 69 | 1.7K | 105 | 81 |
| 510 | Asia | 77 | 1.7K | 261 | 190 |
| 511 | Wireless Communication Systems | 83 | 1.7K | 162 | 161 |
| 512 | behavior therapy | 34 | 1.7K | 219 | 156 |
| 513 | Biosensors | 27 | 1.7K | 295 | 284 |
| 514 | Fishery management | 28 | 1.7K | 214 | 88 |
| 514 | Medical Anthropology | 55 | 1.7K | 186 | 298 |
| 516 | Astrocytes | 22 | 1.6K | 88 | 89 |
| 517 | Image Processing | 71 | 1.6K | 202 | 333 |
| 518 | Medical Oncology | 35 | 1.6K | 742 | 551 |
| 519 | Microbial Biotechnology | 40 | 1.6K | 63 | 44 |
| 520 | Rheology | 34 | 1.6K | 88 | 65 |
| 521 | Fluid Mechanics | 58 | 1.6K | 319 | 269 |
| 521 | Economic Assistance | 42 | 1.6K | 67 | 103 |
| 523 | epilepsy | 48 | 1.6K | 119 | 110 |
| 524 | Automation | 44 | 1.6K | 338 | 333 |
| 525 | Agricultural systems | 35 | 1.6K | 35 | 32 |
| 525 | Information Science | 120 | 1.6K | 138 | 418 |
| 527 | Genes | 57 | 1.6K | 96 | 105 |
| 528 | mutation | 59 | 1.6K | 38 | 92 |
| 529 | Geodesy | 66 | 1.6K | 43 | 45 |
| 530 | world | 33 | 1.6K | 114 | 136 |
| 531 | Computer Science | 99 | 1.6K | 100 | 121 |
| 531 | antibiotics | 31 | 1.6K | 73 | 42 |
| 533 | Sports Medicine | 68 | 1.6K | 473 | 520 |
| 533 | weather | 46 | 1.6K | 14 | 27 |
| 535 | Oxidative stress | 23 | 1.6K | 262 | 174 |
| 535 | Stem cells | 47 | 1.6K | 346 | 436 |
| 537 | Synaptic Transmission | 52 | 1.6K | 26 | 41 |
| 538 | Population Genetics | 36 | 1.5K | 296 | 362 |
| 539 | Signal Transduction | 41 | 1.5K | 226 | 364 |
| 540 | Human-Computer Interaction | 80 | 1.5K | 57 | 120 |
| 541 | Vision | 30 | 1.5K | 169 | 155 |
| 542 | Robotics | 39 | 1.5K | 318 | 219 |
| 543 | Crystal growth | 60 | 1.5K | 60 | 91 |
| 544 | Bioelectronics | 19 | 1.5K | 339 | 270 |
| 545 | preventive medicine | 99 | 1.5K | 101 | 311 |
| 546 | Natural resources | 39 | 1.5K | 95 | 116 |
| 547 | water supply | 45 | 1.5K | 178 | 243 |
| 548 | Radiobiology | 36 | 1.5K | 641 | 427 |
| 549 | individual differences | 43 | 1.5K | 7 | 18 |
| 550 | Molecular ecology | 33 | 1.5K | 283 | 398 |
| 551 | Substance Abuse | 47 | 1.5K | 305 | 254 |
| 552 | Disease | 4 | 1.5K | 305 | 312 |
| 553 | Quantum Chemistry | 72 | 1.5K | 38 | 50 |
| 554 | Surface properties | 40 | 1.5K | 99 | 130 |
| 555 | diseases | 3 | 1.5K | 392 | 324 |
| 556 | Diet | 32 | 1.5K | 718 | 714 |
| 557 | Cybernetics | 82 | 1.5K | 72 | 203 |
| 557 | Biological Systems | 38 | 1.5K | 37 | 34 |
| 559 | Immunopathology | 49 | 1.5K | 270 | 315 |
| 560 | Developmental Genetics | 19 | 1.4K | 217 | 277 |
| 561 | Latin America | 89 | 1.4K | 138 | 48 |
| 562 | Africa | 81 | 1.4K | 120 | 90 |
| 563 | Bifurcation Theory | 47 | 1.4K | 40 | 28 |
| 564 | Orthopedics | 37 | 1.4K | 476 | 387 |
| 565 | Engineering Mathematics | 84 | 1.4K | 242 | 250 |
| 566 | General Surgery | 139 | 1.4K | 29 | 81 |
| 567 | cytokines | 33 | 1.4K | 247 | 199 |
| 568 | European integration | 33 | 1.4K | 17 | 11 |
| 568 | European Economic Community | 33 | 1.4K | 17 | 11 |
| 570 | Drug delivery devices | 3 | 1.4K | 170 | 1 |
| 571 | Psychosomatic Medicine | 27 | 1.4K | 222 | 171 |
| 572 | Anxiety | 36 | 1.4K | 75 | 148 |
| 573 | Forest Ecology | 27 | 1.4K | 278 | 229 |
| 574 | Europa | 78 | 1.4K | 8 | 32 |
| 575 | Environmental Law | 43 | 1.4K | 141 | 336 |
| 575 | viral genetics | 15 | 1.4K | 147 | 228 |
| 577 | exobiology | 29 | 1.4K | 40 | 47 |
| 578 | Luminescence | 96 | 1.4K | 37 | 74 |
| 579 | Industrial Policy | 37 | 1.3K | 16 | 26 |
| 580 | Calculus of Variations | 59 | 1.3K | 20 | 12 |
| 581 | Social problems | 39 | 1.3K | 56 | 94 |
| 582 | Ergonomics | 60 | 1.3K | 149 | 134 |
| 583 | Molecular Spectroscopy | 66 | 1.3K | 169 | 213 |
| 584 | Decision making | 55 | 1.3K | 150 | 261 |
| 585 | Insects | 42 | 1.3K | 275 | 237 |
| 586 | Obesity | 36 | 1.3K | 614 | 694 |
| 586 | Climate | 31 | 1.3K | 57 | 80 |
| 588 | Sustainable agriculture | 35 | 1.3K | 82 | 80 |
| 589 | Solar Energy | 47 | 1.3K | 192 | 327 |
| 590 | Anthropology | 112 | 1.3K | 164 | 238 |
| 591 | Social History | 74 | 1.3K | 14 | 7 |
| 592 | Anxiety Disorders | 31 | 1.3K | 97 | 160 |
| 593 | Control Theory | 76 | 1.3K | 201 | 275 |
| 594 | Vaccines | 33 | 1.3K | 575 | 499 |
| 595 | soil conservation | 43 | 1.3K | 47 | 52 |
| 596 | pain | 33 | 1.2K | 388 | 450 |
| 597 | Graph Theory | 92 | 1.2K | 24 | 34 |
| 597 | Artificial Organs | 52 | 1.2K | 60 | 42 |
| 599 | Personality Assessment | 28 | 1.2K | 104 | 117 |
| 600 | Algorithms | 67 | 1.2K | 11 | 43 |
| 600 | Corporate governance | 22 | 1.2K | 40 | 36 |
| 602 | Thrombosis | 33 | 1.2K | 290 | 305 |
| 602 | Forest Management | 23 | 1.2K | 320 | 239 |
| 604 | Signal Processing | 49 | 1.2K | 318 | 296 |
| 605 | Microbial Genetics | 5 | 1.2K | 278 | 54 |
| 605 | phytopathogenic bacteria | 5 | 1.2K | 199 | 49 |
| 607 | Drug design | 35 | 1.2K | 290 | 334 |
| 608 | Cognitive Psychology | 40 | 1.2K | 10 | 9 |
| 609 | Minerals | 45 | 1.2K | 40 | 51 |
| 609 | magnetic resonance | 37 | 1.2K | 30 | 15 |
| 611 | Animal genetics | 40 | 1.2K | 117 | 117 |
| 612 | Cell death | 32 | 1.2K | 317 | 517 |
| 613 | feeding behavior | 27 | 1.2K | 172 | 147 |
| 613 | Antarctica | 30 | 1.2K | 93 | 42 |
| 615 | Appetite | 26 | 1.2K | 140 | 116 |
| 616 | Landscape Ecology | 35 | 1.2K | 40 | 79 |
| 617 | toxicity testing | 23 | 1.2K | 133 | 93 |
| 618 | Genetic variation | 29 | 1.2K | 3 | 2 |
| 619 | Health Services Research | 57 | 1.2K | 278 | 374 |
| 620 | Social policy | 74 | 1.1K | 55 | 96 |
| 621 | X-ray crystallography | 62 | 1.1K | 45 | 73 |
| 622 | Fractals | 52 | 1.1K | 87 | 110 |
| 623 | labor | 30 | 1.1K | 23 | 32 |
| 624 | Molecular Pharmacology | 18 | 1.1K | 234 | 189 |
| 625 | NMR | 36 | 1.1K | 34 | 14 |
| 626 | Raman spectroscopy | 43 | 1.1K | 54 | 74 |
| 626 | Lightweight concrete | 13 | 1.1K | 117 | 103 |
| 628 | Algae | 34 | 1.1K | 161 | 165 |
| 629 | Primary health care | 59 | 1.1K | 256 | 337 |
| 630 | older people | 127 | 1.1K | 136 | 218 |
| 631 | social science | 29 | 1.1K | 5 | 23 |
| 632 | Recycling | 19 | 1.1K | 121 | 146 |
| 633 | Post-traumatic stress disorder | 40 | 1.1K | 110 | 181 |
| 634 | Neuropsychiatry | 20 | 1.1K | 312 | 191 |
| 635 | animal diseases | 44 | 1.1K | 46 | 53 |
| 635 | Work | 19 | 1.1K | 62 | 28 |
| 637 | Forecasting | 43 | 1.1K | 22 | 69 |
| 637 | Entropy | 67 | 1.1K | 27 | 38 |
| 639 | violence | 24 | 1.1K | 265 | 201 |
| 640 | mass transfer | 42 | 1.1K | 312 | 414 |
| 641 | Adolescent | 46 | 1.1K | 454 | 509 |
| 642 | Cognitive Therapy | 28 | 1.1K | 114 | 84 |
| 642 | Solitons | 49 | 1.1K | 62 | 95 |
| 642 | Business Ethics | 12 | 1.1K | 411 | 291 |
| 642 | Chaos | 49 | 1.1K | 62 | 95 |
| 646 | Hydrodynamics | 31 | 1.1K | 91 | 104 |
| 647 | Music | 43 | 1.1K | 99 | 66 |
| 648 | Continuum Mechanics | 64 | 1.1K | 1 | 6 |
| 648 | working class | 6 | 1.1K | 122 | 35 |
| 650 | Urban Policy | 53 | 1.1K | 37 | 99 |
| 651 | Biomolecules | 43 | 1.1K | 13 | 91 |
| 652 | alcoholism | 31 | 1.1K | 467 | 460 |
| 653 | Environmentalism | 15 | 1.1K | 18 | 16 |
| 654 | pollutants | 39 | 1.1K | 355 | 530 |
| 655 | Primates | 40 | 1.1K | 123 | 142 |
| 656 | Job satisfaction | 8 | 1.1K | 28 | 21 |
| 656 | Antioxidants | 18 | 1.1K | 201 | 259 |
| 656 | job stress | 8 | 1.1K | 28 | 21 |
| 659 | Animal breeding | 64 | 1.1K | 94 | 154 |
| 660 | Input-output analysis | 17 | 1.1K | 36 | 20 |
| 661 | Cheminformatics | 23 | 1.0K | 28 | 117 |
| 662 | Chemical processes | 60 | 1.0K | 24 | 45 |
| 663 | Chromatographic analysis | 58 | 1.0K | 247 | 310 |
| 664 | Plant genetic engineering | 24 | 1.0K | 248 | 280 |
| 665 | Antibacterial agents | 24 | 1.0K | 120 | 106 |
| 666 | civil service | 22 | 1.0K | 65 | 48 |
| 667 | Quantum Computing | 28 | 1.0K | 12 | 18 |
| 668 | fertility | 14 | 1.0K | 698 | 429 |
| 669 | Animal | 27 | 1.0K | 6 | 4 |
| 670 | Social interaction | 10 | 1.0K | 129 | 41 |
| 671 | Probability | 34 | 1.0K | 69 | 99 |
| 672 | Crystallization | 38 | 1.0K | 41 | 43 |
| 672 | Multivariate Analysis | 44 | 1.0K | 26 | 68 |
| 672 | peptides | 35 | 1.0K | 77 | 49 |
| 675 | Engineering Geology | 38 | 1.0K | 299 | 367 |
| 676 | Infertility | 11 | 1.0K | 753 | 418 |
| 677 | Middle East | 78 | 999 | 30 | 56 |
| 678 | race relations | 48 | 996 | 34 | 55 |
| 678 | Catalysts | 31 | 996 | 87 | 90 |
| 680 | Journalism | 58 | 994 | 30 | 30 |
| 681 | Veterinary Immunology | 25 | 992 | 85 | 57 |
| 682 | vascular diseases | 20 | 989 | 243 | 274 |
| 683 | Hazardous waste | 21 | 985 | 167 | 218 |
| 684 | Agronomy | 15 | 984 | 178 | 162 |
| 685 | radioactive waste | 19 | 983 | 148 | 206 |
| 685 | industrial waste | 19 | 983 | 158 | 208 |
| 685 | Fossils | 123 | 983 | 2 | 2 |
| 688 | Immunogenetics | 32 | 982 | 131 | 144 |
| 689 | Computational Complexity | 58 | 981 | 45 | 41 |
| 690 | Industrial Organization | 30 | 972 | 10 | 21 |
| 690 | Taste | 42 | 972 | 11 | 18 |
| 690 | flavor | 44 | 972 | 5 | 12 |
| 690 | smell | 42 | 972 | 11 | 18 |
| 694 | software | 27 | 964 | 114 | 122 |
| 695 | drug resistance | 32 | 963 | 50 | 89 |
| 696 | histological techniques | 22 | 962 | 147 | 180 |
| 697 | Exercise | 25 | 958 | 377 | 258 |
| 698 | Organizational Behavior | 22 | 956 | 137 | 181 |
| 698 | Aggression | 13 | 956 | 164 | 88 |
| 700 | DNA polymerases | 12 | 952 | 192 | 294 |
| 701 | Computational Mathematics | 26 | 949 | 3 | 7 |
| 702 | Leadership | 10 | 941 | 177 | 137 |
| 703 | Sedimentary rocks | 18 | 937 | 141 | 95 |
| 704 | Schizophrenia | 30 | 932 | 332 | 423 |
| 705 | Algebra | 107 | 929 | 102 | 140 |
| 706 | Parenteral nutrition | 25 | 927 | 330 | 408 |
| 707 | RNA | 20 | 923 | 133 | 158 |
| 708 | solar cells | 39 | 918 | 99 | 240 |
| 709 | drug development | 14 | 917 | 434 | 569 |
| 710 | Demography | 28 | 916 | 139 | 154 |
| 711 | Synchrotron Radiation | 36 | 915 | 56 | 49 |
| 712 | Cosmochemistry | 29 | 912 | 174 | 237 |
| 713 | Ethnic relations | 51 | 907 | 21 | 30 |
| 714 | Quantum Communication | 16 | 903 | 33 | 28 |
| 715 | Developmental Disabilities | 24 | 898 | 303 | 358 |
| 716 | Sports | 59 | 896 | 395 | 581 |
| 717 | Autoimmunity | 27 | 891 | 164 | 277 |
| 718 | Vocational guidance | 19 | 884 | 310 | 288 |
| 719 | Quality Control | 41 | 883 | 228 | 348 |
| 720 | Software Engineering | 48 | 880 | 100 | 125 |
| 721 | Archaeology | 82 | 877 | 171 | 309 |
| 722 | Ceramic materials | 29 | 870 | 291 | 272 |
| 723 | soil pollution | 34 | 868 | 36 | 38 |
| 724 | Fertilizers | 140 | 859 | 10 | 66 |
| 725 | internet | 33 | 858 | 181 | 184 |
| 726 | hazard mitigation | 20 | 857 | 179 | 136 |
| 727 | starch | 56 | 851 | 15 | 37 |
| 728 | Immunochemistry | 33 | 844 | 184 | 194 |
| 729 | Chromatography | 51 | 841 | 215 | 332 |
| 730 | Mites | 26 | 832 | 81 | 29 |
| 731 | food contamination | 30 | 829 | 152 | 104 |
| 732 | Surface-Active Agents | 26 | 826 | 185 | 258 |
| 733 | Nonlinear functional analysis | 58 | 825 | 92 | 173 |
| 734 | Clinical Biochemistry | 26 | 824 | 404 | 365 |
| 735 | Consciousness | 38 | 819 | 16 | 71 |
| 736 | Bipolar Disorder | 12 | 817 | 181 | 130 |
| 737 | Ecosystem management | 19 | 814 | 177 | 180 |
| 738 | Structural dynamics | 29 | 808 | 261 | 338 |
| 739 | coal | 15 | 807 | 697 | 589 |
| 740 | Nuclear Medicine | 33 | 803 | 288 | 380 |
| 741 | Retina | 6 | 798 | 96 | 144 |
| 741 | eye | 6 | 798 | 118 | 151 |
| 741 | biological invasions | 18 | 798 | 148 | 110 |
| 744 | Health Services Administration | 17 | 797 | 363 | 268 |
| 745 | Acarology | 22 | 796 | 47 | 27 |
| 745 | Ticks | 22 | 796 | 59 | 27 |
| 745 | Acari | 22 | 796 | 46 | 27 |
| 748 | children | 10 | 791 | 256 | 134 |
| 749 | Urban Planning | 60 | 788 | 11 | 63 |
| 750 | research and development | 12 | 787 | 56 | 34 |
| 751 | Ethnic Conflict | 31 | 786 | 16 | 25 |
| 751 | forced migration | 31 | 786 | 16 | 25 |
| 751 | Yeast | 21 | 786 | 79 | 103 |
| 754 | Philosophy of Mind | 27 | 784 | 11 | 10 |
| 755 | administrative agencies | 17 | 777 | 69 | 32 |
| 756 | cell interaction | 39 | 770 | 143 | 374 |
| 757 | Telecommunication Systems | 44 | 769 | 196 | 247 |
| 757 | mammals | 37 | 769 | 186 | 239 |
| 759 | Lipid metabolism | 23 | 767 | 47 | 107 |
| 759 | Lipid | 23 | 767 | 48 | 108 |
| 759 | Toxins | 19 | 767 | 234 | 159 |
| 762 | Alzheimer's disease | 46 | 764 | 404 | 460 |
| 763 | radiative transfer | 22 | 763 | 177 | 138 |
| 763 | Entrepreneurship | 20 | 763 | 250 | 417 |
| 765 | Plant breeding | 29 | 762 | 182 | 180 |
| 765 | Aquatic ecology | 25 | 762 | 205 | 198 |
| 767 | Systems Theory | 45 | 758 | 15 | 15 |
| 768 | Small Business | 19 | 756 | 190 | 361 |
| 769 | complementary therapies | 42 | 754 | 317 | 403 |
| 769 | Matroids | 41 | 754 | 14 | 27 |
| 771 | Culture | 46 | 753 | 156 | 124 |
| 772 | Muscles | 25 | 752 | 234 | 344 |
| 773 | Alternative Medicine | 39 | 747 | 320 | 399 |
| 774 | Physical Therapy | 7 | 733 | 1049 | 519 |
| 775 | Quantum electronics | 35 | 732 | 121 | 82 |
| 775 | Microstructure | 65 | 732 | 22 | 41 |
| 777 | Zeolites | 21 | 730 | 245 | 262 |
| 778 | Information Systems | 46 | 726 | 125 | 339 |
| 779 | Audiology | 23 | 725 | 269 | 244 |
| 780 | Sociobiology | 5 | 724 | 180 | 43 |
| 781 | Eating Disorders | 29 | 720 | 224 | 300 |
| 781 | Feeding and Eating Disorders | 29 | 720 | 199 | 286 |
| 783 | locomotion | 25 | 719 | 148 | 163 |
| 783 | posture | 25 | 719 | 148 | 163 |
| 783 | gait | 25 | 719 | 148 | 163 |
| 783 | walking | 25 | 719 | 148 | 163 |
| 787 | Molecular Imaging | 28 | 716 | 190 | 305 |
| 788 | Laser Spectroscopy | 41 | 714 | 96 | 153 |
| 789 | Biogeochemical cycles | 7 | 710 | 324 | 310 |
| 789 | Microcirculation | 18 | 710 | 98 | 84 |
| 791 | Animal health | 33 | 706 | 64 | 33 |
| 792 | Cement | 17 | 705 | 191 | 279 |
| 793 | Optical Communications | 28 | 704 | 96 | 82 |
| 793 | Organizational change | 16 | 704 | 170 | 126 |
| 795 | Japan | 39 | 702 | 481 | 388 |
| 796 | Environmental Economics | 20 | 692 | 43 | 71 |
| 797 | Medicinal plants | 15 | 689 | 596 | 526 |
| 798 | Clinical Immunology | 35 | 684 | 310 | 472 |
| 799 | food handling | 23 | 683 | 164 | 229 |
| 800 | Sleep Disorders | 57 | 680 | 341 | 673 |
| 801 | peace | 34 | 679 | 75 | 138 |
| 802 | solar power | 30 | 678 | 109 | 277 |
| 803 | Infection control | 24 | 674 | 141 | 150 |
| 803 | Nonlinear Optics | 33 | 674 | 9 | 8 |
| 805 | Chronic diseases | 19 | 673 | 267 | 433 |
| 806 | Industrial Ecology | 14 | 671 | 40 | 64 |
| 806 | adolescence | 24 | 671 | 248 | 342 |
| 808 | Community Psychiatry | 16 | 667 | 408 | 354 |
| 808 | Semantics | 15 | 667 | 41 | 22 |
| 808 | Ore deposits | 28 | 667 | 107 | 150 |
| 811 | Geriatric Psychiatry | 24 | 666 | 325 | 387 |
| 812 | Enteral nutrition | 16 | 665 | 357 | 401 |
| 813 | Computer-Aided Design | 36 | 662 | 174 | 296 |
| 813 | Sleep | 57 | 662 | 330 | 689 |
| 815 | Multimedia Systems | 26 | 661 | 389 | 220 |
| 816 | Radiology | 39 | 658 | 378 | 442 |
| 816 | venom | 18 | 658 | 224 | 167 |
| 818 | pharmaceutical industry | 27 | 657 | 61 | 57 |
| 819 | vibration | 14 | 655 | 553 | 330 |
| 820 | Nursing | 19 | 652 | 730 | 392 |
| 821 | Pharmacogenetics | 21 | 651 | 339 | 463 |
| 822 | Housing | 19 | 649 | 92 | 94 |
| 823 | Biomass | 14 | 648 | 180 | 220 |
| 823 | amino acids | 23 | 648 | 58 | 100 |
| 825 | Democracy | 26 | 647 | 26 | 17 |
| 826 | motivation | 13 | 645 | 95 | 86 |
| 826 | Emotion | 13 | 645 | 36 | 54 |
| 828 | Phenomenology | 18 | 644 | 24 | 6 |
| 829 | blood transfusion | 26 | 642 | 233 | 232 |
| 829 | Cytokine | 8 | 642 | 191 | 150 |
| 831 | Radioisotopes | 47 | 635 | 154 | 202 |
| 831 | gene transfer | 13 | 635 | 57 | 36 |
| 831 | genetic transformation | 13 | 635 | 57 | 36 |
| 834 | Technological Innovations | 21 | 633 | 192 | 212 |
| 834 | Solutions | 11 | 633 | 132 | 31 |
| 836 | sports injuries | 16 | 631 | 144 | 45 |
| 837 | Hippocampus | 11 | 630 | 120 | 146 |
| 838 | Insect biochemistry | 16 | 623 | 146 | 150 |
| 839 | Knowledge | 54 | 620 | 31 | 62 |
| 840 | Law | 55 | 619 | 240 | 162 |
| 840 | Geographic information systems | 36 | 619 | 126 | 157 |
| 842 | Heterocyclic compounds | 61 | 618 | 86 | 101 |
| 843 | Particle Physics | 31 | 617 | 125 | 157 |
| 843 | Herbal medicine | 16 | 617 | 195 | 181 |
| 845 | Photogrammetry | 86 | 616 | 47 | 38 |
| 846 | industrial relations | 43 | 609 | 119 | 178 |
| 847 | prostaglandins | 20 | 606 | 123 | 125 |
| 847 | international cooperation | 26 | 606 | 103 | 162 |
| 849 | Soil Mechanics | 24 | 602 | 376 | 450 |
| 849 | Growth factors | 6 | 602 | 152 | 128 |
| 851 | Hydrogeology | 44 | 600 | 55 | 131 |
| 852 | vitamin C | 8 | 599 | 175 | 91 |
| 852 | vitamin E | 8 | 599 | 175 | 91 |
| 854 | Rural Development | 30 | 598 | 46 | 108 |
| 854 | synthesis | 45 | 598 | 99 | 105 |
| 856 | Venture Capital | 9 | 597 | 103 | 232 |
| 857 | Sarcopenia | 20 | 595 | 37 | 157 |
| 858 | Nuclear Fusion | 12 | 593 | 360 | 212 |
| 859 | Protozoa | 31 | 588 | 51 | 154 |
| 860 | Teratology | 27 | 585 | 47 | 111 |
| 861 | landscapes | 8 | 580 | 64 | 20 |
| 861 | visualization | 79 | 580 | 122 | 188 |
| 863 | Hydraulic Engineering | 18 | 579 | 353 | 296 |
| 863 | Immunopharmacology | 13 | 579 | 419 | 292 |
| 865 | Online social networks | 17 | 570 | 28 | 33 |
| 865 | Respiratory system | 12 | 570 | 267 | 205 |
| 865 | accidents | 34 | 570 | 17 | 12 |
| 868 | Depression | 16 | 567 | 97 | 209 |
| 868 | Seaweed | 14 | 567 | 241 | 245 |
| 868 | tomography | 24 | 567 | 74 | 80 |
| 871 | Flexible manufacturing systems | 12 | 566 | 91 | 51 |
| 872 | Emerging infectious diseases | 12 | 565 | 85 | 71 |
| 872 | Roads | 16 | 565 | 338 | 207 |
| 874 | analysis | 29 | 564 | 58 | 128 |
| 875 | cosmetics | 6 | 562 | 110 | 23 |
| 876 | Blood vessels | 12 | 561 | 103 | 58 |
| 877 | Neuroimmunology | 26 | 559 | 173 | 358 |
| 878 | carcinogens | 8 | 558 | 679 | 484 |
| 879 | community development | 11 | 556 | 238 | 93 |
| 879 | Adolescent Psychology | 21 | 556 | 242 | 356 |
| 881 | Social Movements | 54 | 554 | 2 | 2 |
| 881 | Chemical analysis | 23 | 554 | 338 | 375 |
| 883 | mental health promotion | 12 | 549 | 47 | 33 |
| 884 | Developmental Immunology | 18 | 548 | 204 | 229 |
| 885 | Fermentation | 23 | 544 | 60 | 49 |
| 886 | Groundwater | 37 | 543 | 106 | 177 |
| 887 | Educational Technology | 20 | 541 | 455 | 425 |
| 888 | Imaging systems | 14 | 537 | 170 | 68 |
| 889 | brewing | 35 | 536 | 38 | 41 |
| 889 | ethanol | 14 | 536 | 164 | 138 |
| 891 | Eastern Europe | 78 | 534 | 30 | 64 |
| 891 | Approximation Theory | 28 | 534 | 64 | 59 |
| 893 | population geography | 25 | 533 | 37 | 65 |
| 894 | Elderly | 97 | 530 | 133 | 197 |
| 895 | cloning | 12 | 527 | 315 | 488 |
| 895 | sexual behavior | 21 | 527 | 163 | 227 |
| 897 | Australia | 31 | 524 | 480 | 544 |
| 898 | drug addiction | 17 | 523 | 515 | 611 |
| 899 | Information Retrieval | 19 | 522 | 95 | 160 |
| 900 | health behavior | 14 | 519 | 458 | 383 |
| 901 | Democratization | 13 | 518 | 16 | 15 |
| 902 | Land Use Planning | 8 | 517 | 173 | 121 |
| 902 | Risk Management | 17 | 517 | 200 | 198 |
| 902 | Developed countries | 8 | 517 | 67 | 52 |
| 905 | economic forecasting | 17 | 515 | 52 | 117 |
| 906 | Environmental Psychology | 16 | 513 | 57 | 168 |
| 907 | Random graphs | 47 | 512 | 12 | 42 |
| 908 | Ethics | 41 | 509 | 138 | 193 |
| 908 | European Union | 20 | 509 | 20 | 27 |
| 910 | forest policy | 19 | 508 | 97 | 87 |
| 911 | Systems Analysis | 42 | 505 | 96 | 244 |
| 911 | Topology | 31 | 505 | 42 | 36 |
| 913 | Friction | 13 | 503 | 15 | 24 |
| 913 | Formal Languages | 33 | 503 | 7 | 6 |
| 913 | child behavior | 5 | 503 | 325 | 176 |
| 916 | rivers | 13 | 502 | 74 | 70 |
| 917 | Reproductive toxicology | 16 | 500 | 132 | 170 |
| 917 | Biofilms | 8 | 500 | 30 | 17 |
| 919 | Optoelectronic devices | 24 | 495 | 125 | 80 |
| 920 | economic conditions | 14 | 492 | 225 | 195 |
| 921 | mutagens | 9 | 491 | 531 | 498 |
| 922 | Horticulture | 102 | 488 | 29 | 166 |
| 922 | Orthopedic Surgery | 17 | 488 | 329 | 353 |
| 924 | Nutrition physiology | 59 | 474 | 37 | 319 |
| 925 | Humanities | 66 | 473 | 91 | 213 |
| 925 | Food Preservation | 20 | 473 | 164 | 124 |
| 925 | Thermochemistry | 12 | 473 | 234 | 149 |
| 928 | urban forestry | 22 | 471 | 22 | 47 |
| 929 | Economic Geography | 34 | 470 | 29 | 77 |
| 930 | Mobile Computing | 32 | 469 | 146 | 250 |
| 931 | Superconductors | 17 | 468 | 263 | 181 |
| 932 | Psychoneuroimmunology | 22 | 466 | 174 | 380 |
| 933 | curriculum evaluation | 19 | 464 | 56 | 63 |
| 934 | Biodegradation | 12 | 463 | 211 | 215 |
| 935 | Comparative Education | 13 | 462 | 48 | 14 |
| 935 | Neurotransmitters | 20 | 462 | 159 | 169 |
| 937 | Process Control | 12 | 461 | 365 | 515 |
| 938 | Thin Films | 23 | 460 | 85 | 98 |
| 938 | Bioacoustics | 18 | 460 | 7 | 5 |
| 938 | polar regions | 15 | 460 | 267 | 230 |
| 941 | Ecological Engineering | 8 | 459 | 323 | 247 |
| 942 | Structural Equation Modeling | 25 | 456 | 11 | 62 |
| 943 | Civil Engineering | 42 | 455 | 279 | 274 |
| 943 | consumers | 8 | 455 | 172 | 107 |
| 945 | History | 233 | 452 | 39 | 80 |
| 946 | Invertebrates | 20 | 451 | 139 | 182 |
| 947 | Soil | 2 | 450 | 114 | 40 |
| 948 | Digestive system diseases | 13 | 449 | 539 | 470 |
| 949 | Genetic translocation | 4 | 447 | 177 | 47 |
| 949 | Plant tissue culture | 20 | 447 | 168 | 257 |
| 949 | plasmids | 4 | 447 | 177 | 47 |
| 952 | Geopolitics | 31 | 446 | 13 | 25 |
| 952 | Carcinogenesis | 7 | 446 | 775 | 599 |
| 952 | Performance | 7 | 446 | 164 | 107 |
| 955 | Transportation Engineering | 10 | 443 | 140 | 103 |
| 955 | Heart Failure | 5 | 443 | 405 | 262 |
| 957 | Paleobiology | 32 | 440 | 35 | 30 |
| 958 | Educational evaluation | 14 | 439 | 32 | 28 |
| 959 | Ecophysiology | 16 | 438 | 25 | 21 |
| 959 | body temperature | 23 | 438 | 35 | 79 |
| 961 | Autoimmune diseases | 18 | 435 | 186 | 323 |
| 962 | Consumer Protection | 7 | 433 | 90 | 46 |
| 962 | Customer Relations | 7 | 433 | 30 | 6 |
| 962 | Plant cell culture | 15 | 433 | 197 | 261 |
| 965 | Occupational Health | 16 | 431 | 451 | 371 |
| 965 | Nanoelectronics | 34 | 431 | 141 | 167 |
| 965 | sedimentary basins | 7 | 431 | 114 | 70 |
| 968 | Production Management | 8 | 428 | 688 | 727 |
| 968 | Protein engineering | 12 | 428 | 71 | 110 |
| 968 | molecular design | 15 | 428 | 67 | 110 |
| 971 | behavior modification | 3 | 427 | 445 | 248 |
| 972 | civil society | 47 | 425 | 1 | 1 |
| 972 | Developmental Neurobiology | 12 | 425 | 184 | 156 |
| 974 | auditory perception | 10 | 422 | 108 | 106 |
| 975 | scientific societies | 24 | 421 | 203 | 345 |
| 976 | Educational Sociology | 21 | 417 | 36 | 47 |
| 976 | Enzyme | 11 | 417 | 181 | 209 |
| 976 | optical devices | 17 | 417 | 101 | 94 |
| 979 | extraterrestrial environment | 44 | 415 | 67 | 138 |
| 979 | astronomical phenomena | 44 | 415 | 62 | 127 |
| 981 | Forensic Psychiatry | 26 | 411 | 114 | 164 |
| 981 | Social participation | 45 | 411 | 1 | 1 |
| 981 | Strategic planning | 19 | 411 | 161 | 266 |
| 984 | Globalization | 22 | 410 | 75 | 147 |
| 985 | Sexual health | 8 | 409 | 539 | 304 |
| 985 | calcification | 11 | 409 | 273 | 299 |
| 987 | Fracture mechanics | 15 | 408 | 677 | 630 |
| 987 | psychopathology | 10 | 408 | 157 | 178 |
| 987 | glycoproteins | 19 | 408 | 107 | 237 |
| 987 | Glycoconjugates | 19 | 408 | 107 | 237 |
| 987 | glycolipids | 19 | 408 | 107 | 237 |
| 992 | Radiopharmaceuticals | 29 | 406 | 58 | 33 |
| 992 | Quantitative Research | 13 | 406 | 73 | 96 |
| 992 | Autoantibodies | 17 | 406 | 173 | 316 |
| 992 | mental processes | 26 | 406 | 39 | 74 |
| 996 | International Law | 40 | 405 | 34 | 17 |
| 997 | Veterinary Pathology | 39 | 404 | 33 | 62 |
| 997 | Risk | 35 | 404 | 54 | 265 |
| 999 | Emergency Medical Services | 15 | 402 | 270 | 200 |
| 999 | Genetic disorders | 23 | 402 | 161 | 279 |