| 1 | Physics | 2,752 | 279.0K | 137 | 100 |
| 2 | Astronomy | 3,090 | 204.5K | 35 | 32 |
| 3 | Astrophysics | 2,708 | 204.1K | 47 | 51 |
| 4 | Biology | 1,758 | 197.6K | 187 | 149 |
| 5 | Science | 1,886 | 170.8K | 177 | 181 |
| 6 | Chemistry | 2,871 | 136.9K | 97 | 146 |
| 7 | Cytology | 953 | 120.5K | 85 | 73 |
| 8 | Molecular Biology | 1,325 | 112.1K | 181 | 130 |
| 9 | Cell Biology | 711 | 105.9K | 107 | 81 |
| 10 | Natural history | 365 | 95.2K | 172 | 167 |
| 11 | Nuclear Physics | 1,776 | 92.1K | 112 | 63 |
| 12 | Biochemistry | 1,377 | 79.2K | 313 | 206 |
| 13 | Medicine | 1,457 | 74.3K | 256 | 243 |
| 14 | Virology | 393 | 68.6K | 133 | 83 |
| 15 | Neurology | 823 | 65.9K | 216 | 164 |
| 16 | Microbiology | 785 | 60.0K | 227 | 161 |
| 17 | Genetics | 499 | 49.3K | 139 | 105 |
| 18 | Research | 1,082 | 44.8K | 227 | 195 |
| 19 | Human genetics | 184 | 43.4K | 178 | 168 |
| 20 | Condensed Matter | 917 | 38.3K | 127 | 119 |
| 21 | Spectrum analysis | 543 | 38.0K | 199 | 176 |
| 22 | Solid State Physics | 910 | 36.4K | 127 | 115 |
| 23 | Immunology | 458 | 30.9K | 200 | 191 |
| 24 | Diabetes | 392 | 26.0K | 48 | 60 |
| 25 | Diabetes mellitus | 376 | 25.3K | 44 | 57 |
| 26 | Psychophysiology | 448 | 24.1K | 111 | 100 |
| 27 | Statistical physics | 482 | 24.0K | 158 | 73 |
| 28 | Developmental Biology | 297 | 23.8K | 101 | 93 |
| 29 | Medical Microbiology | 246 | 23.4K | 74 | 28 |
| 30 | Aging | 348 | 23.4K | 92 | 36 |
| 31 | infection | 219 | 22.1K | 23 | 4 |
| 32 | Quantum Gravity | 506 | 22.1K | 104 | 108 |
| 33 | Medical genetics | 249 | 21.8K | 216 | 146 |
| 34 | Infections | 198 | 21.4K | 10 | 4 |
| 35 | Psychology | 531 | 21.1K | 187 | 186 |
| 36 | Cell differentiation | 183 | 20.8K | 95 | 74 |
| 37 | Endocrinology | 312 | 20.6K | 190 | 166 |
| 38 | Geriatrics | 281 | 20.5K | 155 | 63 |
| 39 | Parasitic Diseases | 195 | 20.4K | 64 | 10 |
| 40 | Botany | 307 | 19.7K | 277 | 201 |
| 41 | Physiology | 247 | 19.2K | 340 | 175 |
| 42 | Biotechnology | 197 | 18.7K | 638 | 343 |
| 43 | Psychiatry | 417 | 18.6K | 226 | 266 |
| 44 | Biophysics | 426 | 18.6K | 395 | 257 |
| 45 | Computational Biology | 99 | 18.1K | 283 | 87 |
| 46 | nucleic acids | 138 | 18.1K | 132 | 98 |
| 47 | Ecology | 239 | 17.3K | 637 | 536 |
| 48 | Nanotechnology | 214 | 16.7K | 560 | 375 |
| 49 | Bioinformatics | 62 | 16.7K | 319 | 60 |
| 50 | Analytical Chemistry | 409 | 16.2K | 163 | 138 |
| 51 | genome | 42 | 16.0K | 336 | 77 |
| 52 | Neurophysiology | 249 | 15.9K | 220 | 229 |
| 53 | Public Health | 446 | 15.6K | 250 | 278 |
| 54 | Pharmacology | 325 | 15.4K | 453 | 302 |
| 55 | Immunity | 134 | 15.2K | 184 | 191 |
| 56 | Pharmaceutical Chemistry | 296 | 15.1K | 193 | 137 |
| 57 | Geology | 374 | 14.7K | 157 | 154 |
| 58 | Cognition | 275 | 14.7K | 46 | 49 |
| 59 | Bacteriology | 145 | 14.5K | 145 | 93 |
| 60 | viruses | 127 | 14.5K | 154 | 74 |
| 61 | Cytogenetics | 117 | 14.4K | 114 | 82 |
| 62 | drugs | 191 | 14.2K | 63 | 9 |
| 63 | Bioengineering | 118 | 13.8K | 531 | 291 |
| 64 | Behavior | 219 | 13.5K | 194 | 158 |
| 65 | biological evolution | 102 | 12.8K | 244 | 142 |
| 66 | Metabolism | 242 | 12.7K | 205 | 226 |
| 67 | Developmental Genetics | 88 | 12.6K | 55 | 54 |
| 68 | cell physiology | 125 | 12.4K | 98 | 53 |
| 69 | Pathology | 131 | 12.3K | 254 | 107 |
| 70 | Epidemiology | 282 | 11.8K | 218 | 201 |
| 71 | Genetic regulation | 81 | 11.7K | 82 | 61 |
| 72 | Electrophoresis | 189 | 11.6K | 21 | 5 |
| 73 | Mathematical Physics | 384 | 11.3K | 74 | 101 |
| 74 | Gene expression regulation | 68 | 11.0K | 73 | 59 |
| 75 | human behavior | 111 | 11.0K | 236 | 136 |
| 76 | Molecular evolution | 66 | 10.9K | 189 | 56 |
| 77 | Pollution | 203 | 10.8K | 505 | 514 |
| 78 | Biopharmaceutics | 115 | 10.7K | 25 | 2 |
| 79 | Embryology | 151 | 10.6K | 120 | 113 |
| 80 | Cell death | 38 | 10.3K | 258 | 79 |
| 81 | United States | 157 | 10.2K | 567 | 288 |
| 82 | viral genetics | 57 | 10.2K | 49 | 56 |
| 83 | Biochemical Engineering | 29 | 10.1K | 1162 | 308 |
| 84 | Emotions | 109 | 10.0K | 6 | 6 |
| 85 | Metabolic diseases | 159 | 10.0K | 230 | 248 |
| 86 | Growth | 119 | 9.2K | 106 | 129 |
| 87 | Neurons | 54 | 9.2K | 114 | 135 |
| 88 | Nervous system | 169 | 9.1K | 157 | 189 |
| 89 | Neuropsychology | 261 | 9.1K | 78 | 100 |
| 90 | Geochemistry | 238 | 9.0K | 124 | 179 |
| 91 | Molecular Genetics | 134 | 9.0K | 132 | 93 |
| 92 | Plants | 84 | 8.6K | 263 | 173 |
| 93 | gene mapping | 109 | 8.4K | 148 | 124 |
| 94 | Mental Disorders | 182 | 8.3K | 248 | 295 |
| 95 | Social Psychology | 198 | 8.3K | 119 | 159 |
| 96 | Pharmacy | 138 | 8.3K | 159 | 66 |
| 97 | Anatomy | 126 | 8.1K | 173 | 131 |
| 98 | Brain | 187 | 8.0K | 246 | 257 |
| 99 | Mathematics | 432 | 8.0K | 448 | 314 |
| 100 | Environmental Health | 156 | 8.0K | 575 | 528 |
| 101 | Environment | 143 | 7.8K | 617 | 783 |
| 102 | Genetic engineering | 57 | 7.7K | 311 | 73 |
| 103 | Materials | 122 | 7.6K | 1262 | 841 |
| 104 | Histology | 151 | 7.6K | 78 | 72 |
| 105 | Neurobiology | 169 | 7.6K | 116 | 180 |
| 106 | Cognitive Science | 126 | 7.4K | 39 | 69 |
| 107 | Surface Chemistry | 165 | 7.4K | 387 | 290 |
| 108 | Plant cells | 74 | 7.3K | 175 | 210 |
| 109 | Critical Care | 135 | 7.3K | 121 | 168 |
| 110 | Colloids | 161 | 7.3K | 400 | 330 |
| 111 | Critical Care Medicine | 131 | 7.3K | 124 | 169 |
| 112 | Cancer | 134 | 7.3K | 592 | 559 |
| 113 | Cerebral cortex | 139 | 7.2K | 27 | 44 |
| 114 | Geophysics | 220 | 7.2K | 463 | 498 |
| 114 | Earth Sciences | 205 | 7.2K | 184 | 249 |
| 116 | Animal Behavior | 63 | 7.1K | 357 | 166 |
| 117 | Cognitive neuroscience | 125 | 7.0K | 52 | 90 |
| 118 | Europe | 357 | 7.0K | 89 | 107 |
| 119 | Nutrition | 125 | 6.8K | 578 | 421 |
| 120 | Biocompatible Materials | 90 | 6.8K | 713 | 528 |
| 121 | Hematology | 164 | 6.6K | 652 | 491 |
| 122 | Optics | 149 | 6.5K | 685 | 325 |
| 123 | Allergy | 45 | 6.5K | 268 | 180 |
| 124 | Ethology | 45 | 6.5K | 347 | 146 |
| 125 | plant molecular biology | 75 | 6.3K | 219 | 220 |
| 126 | environmental pollution | 114 | 6.3K | 567 | 440 |
| 127 | Toxicology | 121 | 6.2K | 702 | 483 |
| 128 | Alzheimer's disease | 285 | 6.2K | 67 | 90 |
| 129 | Pediatrics | 62 | 6.2K | 579 | 324 |
| 130 | Plant physiology | 102 | 6.2K | 218 | 204 |
| 131 | Pharmaceutical Technology | 88 | 6.1K | 86 | 22 |
| 132 | management | 67 | 6.1K | 640 | 385 |
| 133 | Genomics | 123 | 5.9K | 325 | 263 |
| 134 | Crystallography | 55 | 5.9K | 297 | 49 |
| 135 | Infection control | 153 | 5.9K | 8 | 5 |
| 136 | Economics | 192 | 5.8K | 434 | 374 |
| 137 | Political Science | 225 | 5.8K | 73 | 83 |
| 138 | Light | 28 | 5.7K | 217 | 87 |
| 139 | Memory | 152 | 5.7K | 146 | 148 |
| 140 | Solid State Chemistry | 193 | 5.6K | 111 | 87 |
| 141 | Molecular cloning | 41 | 5.6K | 196 | 28 |
| 141 | Genetic recombination | 41 | 5.6K | 185 | 28 |
| 141 | Recombinant DNA | 41 | 5.6K | 236 | 32 |
| 144 | Mineralogy | 136 | 5.5K | 84 | 80 |
| 145 | nanoscience | 60 | 5.5K | 612 | 379 |
| 146 | Host-parasite interactions | 64 | 5.4K | 155 | 160 |
| 147 | Neurochemistry | 97 | 5.4K | 373 | 293 |
| 148 | Virulence | 60 | 5.3K | 153 | 131 |
| 149 | Environmental Engineering | 82 | 5.3K | 530 | 406 |
| 150 | Chromatographic analysis | 146 | 5.3K | 61 | 18 |
| 151 | Diagnostic Imaging | 125 | 5.2K | 124 | 112 |
| 152 | Perception | 147 | 5.2K | 160 | 156 |
| 153 | Immunogenetics | 43 | 5.2K | 82 | 14 |
| 154 | Chromatography | 139 | 5.2K | 40 | 15 |
| 155 | Cell metabolism | 35 | 5.0K | 78 | 106 |
| 156 | Petrology | 107 | 5.0K | 77 | 78 |
| 157 | Homeostasis | 30 | 5.0K | 75 | 107 |
| 158 | Plant Ecology | 37 | 5.0K | 424 | 155 |
| 159 | Antigens | 35 | 4.9K | 160 | 27 |
| 160 | alcoholism | 75 | 4.9K | 223 | 113 |
| 161 | Clinical Chemistry | 119 | 4.8K | 317 | 300 |
| 162 | drug addiction | 65 | 4.8K | 173 | 96 |
| 163 | Mental illness | 91 | 4.8K | 243 | 269 |
| 164 | drug therapy | 135 | 4.7K | 238 | 238 |
| 165 | Bioorganic chemistry | 101 | 4.7K | 327 | 254 |
| 166 | Bioenergetics | 42 | 4.7K | 129 | 38 |
| 166 | Energy metabolism | 42 | 4.7K | 112 | 36 |
| 168 | Photonics | 30 | 4.6K | 546 | 203 |
| 169 | cell membrane | 45 | 4.6K | 97 | 32 |
| 170 | Physical Chemistry | 88 | 4.6K | 289 | 222 |
| 171 | Protozoa | 47 | 4.5K | 32 | 9 |
| 172 | Nonlinear Dynamics | 121 | 4.5K | 263 | 202 |
| 173 | Psychopharmacology | 63 | 4.5K | 295 | 215 |
| 174 | Liver diseases | 37 | 4.5K | 451 | 307 |
| 175 | Catalysis | 116 | 4.4K | 678 | 723 |
| 176 | Sociology | 109 | 4.4K | 337 | 267 |
| 177 | Nanostructures | 39 | 4.3K | 435 | 201 |
| 178 | Molecular Microbiology | 60 | 4.3K | 102 | 124 |
| 179 | Drug delivery systems | 55 | 4.3K | 150 | 99 |
| 180 | Polymers | 107 | 4.3K | 916 | 690 |
| 181 | Oxidation-reduction | 33 | 4.3K | 102 | 39 |
| 182 | Organic Chemistry | 101 | 4.3K | 481 | 353 |
| 183 | Dementia | 255 | 4.2K | 69 | 100 |
| 184 | Chromosome mapping | 69 | 4.2K | 209 | 165 |
| 185 | DNA polymerases | 38 | 4.2K | 54 | 90 |
| 186 | Molecular ecology | 31 | 4.2K | 301 | 146 |
| 187 | Transplantation | 95 | 4.2K | 159 | 169 |
| 188 | finance | 49 | 4.1K | 472 | 159 |
| 189 | arthritis | 48 | 4.1K | 288 | 205 |
| 190 | Electrochemistry | 127 | 4.0K | 635 | 502 |
| 191 | Immune system | 29 | 4.0K | 277 | 270 |
| 192 | Proteome | 80 | 4.0K | 74 | 86 |
| 193 | Education | 150 | 4.0K | 400 | 290 |
| 194 | sanitation | 52 | 3.9K | 312 | 325 |
| 194 | Obesity | 91 | 3.9K | 275 | 281 |
| 196 | Biomedical Engineering | 81 | 3.8K | 918 | 629 |
| 197 | organization | 13 | 3.8K | 327 | 115 |
| 198 | Ferroelectricity | 94 | 3.8K | 49 | 11 |
| 199 | environmental protection | 43 | 3.8K | 784 | 345 |
| 200 | Therapeutics | 57 | 3.8K | 336 | 224 |
| 201 | United Kingdom | 66 | 3.8K | 246 | 193 |
| 202 | Molecular structure | 110 | 3.8K | 150 | 246 |
| 203 | Social Sciences | 120 | 3.7K | 341 | 207 |
| 204 | Materials Science | 72 | 3.7K | 1162 | 905 |
| 205 | Statistics | 112 | 3.7K | 339 | 281 |
| 206 | miniaturization | 56 | 3.7K | 322 | 339 |
| 207 | Attention | 115 | 3.7K | 184 | 179 |
| 208 | Cosmology | 92 | 3.6K | 112 | 53 |
| 209 | Microbial Ecology | 57 | 3.6K | 458 | 464 |
| 210 | Hormones | 56 | 3.6K | 176 | 103 |
| 211 | Child psychology | 96 | 3.5K | 184 | 267 |
| 212 | Vaccines | 67 | 3.5K | 274 | 168 |
| 213 | Immunotherapy | 40 | 3.5K | 425 | 319 |
| 214 | Environmental Policy | 85 | 3.5K | 367 | 490 |
| 215 | personality | 64 | 3.5K | 222 | 219 |
| 216 | Population Genetics | 26 | 3.5K | 395 | 165 |
| 217 | Ophthalmology | 74 | 3.5K | 300 | 232 |
| 218 | proteins | 91 | 3.4K | 214 | 233 |
| 219 | Visual Perception | 110 | 3.4K | 180 | 183 |
| 220 | Geomorphology | 75 | 3.3K | 113 | 121 |
| 221 | Numerical Analysis | 89 | 3.3K | 223 | 105 |
| 222 | Water | 71 | 3.3K | 394 | 471 |
| 223 | Hospitals | 57 | 3.3K | 91 | 41 |
| 224 | Reproduction | 94 | 3.2K | 325 | 312 |
| 225 | Diet | 51 | 3.2K | 502 | 389 |
| 226 | Superconductors | 117 | 3.2K | 30 | 17 |
| 227 | Hydrology | 88 | 3.2K | 338 | 324 |
| 228 | Cardiovascular system | 36 | 3.2K | 500 | 466 |
| 229 | Microelectronics | 46 | 3.2K | 404 | 327 |
| 230 | Developmental Psychology | 72 | 3.1K | 119 | 144 |
| 231 | Signal Transduction | 42 | 3.1K | 217 | 163 |
| 232 | plant communities | 24 | 3.1K | 344 | 147 |
| 233 | Environmental monitoring | 72 | 3.1K | 589 | 621 |
| 234 | Evolution | 56 | 3.1K | 373 | 405 |
| 235 | Linguistics | 104 | 3.0K | 124 | 94 |
| 236 | drug resistance | 110 | 3.0K | 6 | 13 |
| 237 | Ethics | 53 | 3.0K | 102 | 11 |
| 238 | Superconductivity | 100 | 3.0K | 21 | 15 |
| 239 | Nuclear Medicine | 76 | 2.9K | 134 | 115 |
| 240 | Medical Ethics | 47 | 2.9K | 147 | 29 |
| 241 | Computer Graphics | 155 | 2.9K | 67 | 152 |
| 242 | polymerization | 70 | 2.9K | 988 | 736 |
| 243 | Water pollution | 47 | 2.9K | 607 | 468 |
| 244 | Rheumatology | 28 | 2.9K | 375 | 199 |
| 245 | Bones | 41 | 2.8K | 175 | 100 |
| 246 | Psycholinguistics | 92 | 2.8K | 76 | 122 |
| 247 | Environmental Microbiology | 25 | 2.8K | 379 | 204 |
| 248 | Meteorology | 51 | 2.8K | 583 | 533 |
| 249 | Marine Biology | 76 | 2.8K | 513 | 458 |
| 250 | Molecular Imaging | 65 | 2.8K | 81 | 88 |
| 251 | Schizophrenia | 78 | 2.8K | 146 | 175 |
| 252 | Gerontology | 104 | 2.8K | 235 | 194 |
| 253 | Energy Policy | 71 | 2.7K | 312 | 423 |
| 254 | Oceanography | 47 | 2.7K | 493 | 364 |
| 255 | Antioxidants | 24 | 2.7K | 120 | 74 |
| 256 | Hypertension | 35 | 2.7K | 536 | 475 |
| 257 | free radicals | 35 | 2.7K | 342 | 242 |
| 258 | Parenteral nutrition | 41 | 2.7K | 177 | 164 |
| 259 | Microscopy | 45 | 2.7K | 265 | 89 |
| 260 | Plant genetic engineering | 24 | 2.7K | 248 | 101 |
| 261 | Mass Spectrometry | 44 | 2.7K | 210 | 105 |
| 262 | Engineering | 45 | 2.7K | 1093 | 338 |
| 263 | Pediatric Neurology | 31 | 2.6K | 319 | 311 |
| 264 | Child Development | 85 | 2.6K | 281 | 340 |
| 265 | Enteral nutrition | 37 | 2.6K | 121 | 129 |
| 265 | Respiration | 68 | 2.6K | 217 | 229 |
| 267 | Vision | 53 | 2.6K | 95 | 84 |
| 268 | Communication | 26 | 2.6K | 645 | 178 |
| 269 | brain mapping | 54 | 2.5K | 68 | 85 |
| 270 | Health Policy | 81 | 2.5K | 314 | 278 |
| 271 | Nanostructured Materials | 80 | 2.5K | 628 | 684 |
| 272 | Membranes | 65 | 2.5K | 272 | 346 |
| 273 | Speech | 35 | 2.5K | 184 | 84 |
| 274 | Stem cells | 49 | 2.4K | 325 | 267 |
| 275 | behavioral medicine | 56 | 2.4K | 165 | 199 |
| 276 | Solar Energy | 31 | 2.4K | 322 | 151 |
| 277 | Pharmacokinetics | 42 | 2.4K | 92 | 40 |
| 278 | calcification | 29 | 2.4K | 88 | 34 |
| 279 | pharmaceutical industry | 16 | 2.3K | 140 | 4 |
| 280 | preventive medicine | 102 | 2.3K | 96 | 236 |
| 281 | Proteomics | 66 | 2.3K | 67 | 131 |
| 281 | Diagnostic microbiology | 37 | 2.3K | 301 | 358 |
| 283 | Plant diseases | 20 | 2.3K | 876 | 273 |
| 284 | Health | 26 | 2.3K | 779 | 305 |
| 285 | Photochemistry | 32 | 2.3K | 389 | 134 |
| 286 | Pharmacognosy | 66 | 2.2K | 209 | 255 |
| 286 | nuclear astrophysics | 38 | 2.2K | 48 | 38 |
| 288 | Surgery | 67 | 2.2K | 410 | 760 |
| 289 | Meteorites | 46 | 2.2K | 259 | 306 |
| 290 | auditory perception | 8 | 2.2K | 147 | 8 |
| 291 | Child | 103 | 2.2K | 274 | 357 |
| 292 | Technology | 37 | 2.2K | 1310 | 656 |
| 293 | Obstetrics | 88 | 2.1K | 452 | 490 |
| 294 | Disease | 4 | 2.1K | 305 | 223 |
| 295 | diseases | 4 | 2.1K | 301 | 226 |
| 296 | transgenic organisms | 3 | 2.1K | 299 | 4 |
| 296 | transgenic animals | 3 | 2.1K | 279 | 4 |
| 296 | Transgenic plants | 3 | 2.1K | 571 | 26 |
| 299 | Ore deposits | 67 | 2.1K | 38 | 44 |
| 300 | Sleep Disorders | 51 | 2.1K | 389 | 303 |
| 301 | Quantum theory | 58 | 2.1K | 72 | 57 |
| 302 | Clinical Psychology | 38 | 2.1K | 381 | 368 |
| 303 | Sleep | 53 | 2.1K | 364 | 309 |
| 304 | medical education | 100 | 2.1K | 216 | 250 |
| 305 | Physical organic chemistry | 61 | 2.1K | 123 | 87 |
| 306 | Consciousness | 32 | 2.1K | 30 | 14 |
| 307 | Bacterial infections | 34 | 2.1K | 122 | 201 |
| 308 | Philosophy | 192 | 2.0K | 93 | 94 |
| 309 | natural products | 77 | 2.0K | 136 | 179 |
| 310 | rehabilitation | 64 | 2.0K | 339 | 373 |
| 311 | Image Processing | 33 | 1.9K | 480 | 283 |
| 312 | Oxidative stress | 17 | 1.9K | 370 | 131 |
| 313 | soil microbiology | 12 | 1.9K | 798 | 387 |
| 314 | biological factors | 70 | 1.9K | 157 | 246 |
| 315 | mycoses | 24 | 1.9K | 170 | 194 |
| 316 | Paleoclimatology | 58 | 1.9K | 136 | 185 |
| 317 | Research Design | 24 | 1.9K | 343 | 207 |
| 317 | Biodiversity conservation | 19 | 1.9K | 748 | 713 |
| 319 | Adolescent | 26 | 1.9K | 708 | 313 |
| 320 | Crystallization | 10 | 1.9K | 256 | 13 |
| 321 | gene therapy | 20 | 1.9K | 402 | 218 |
| 322 | Chromosomes | 32 | 1.9K | 193 | 128 |
| 323 | Medical Physics | 48 | 1.9K | 437 | 345 |
| 324 | Learning | 54 | 1.8K | 192 | 272 |
| 325 | Economic Development | 62 | 1.8K | 187 | 315 |
| 326 | Chronic diseases | 30 | 1.8K | 179 | 233 |
| 327 | Chemical structure | 5 | 1.8K | 378 | 6 |
| 328 | Computational Chemistry | 6 | 1.8K | 517 | 119 |
| 329 | Speech Perception | 3 | 1.8K | 262 | 8 |
| 329 | Oral communication | 3 | 1.8K | 471 | 8 |
| 331 | Quality of life | 36 | 1.8K | 248 | 206 |
| 332 | Electrochemical Analysis | 63 | 1.8K | 165 | 172 |
| 333 | energy conservation | 32 | 1.8K | 395 | 379 |
| 334 | Microorganisms | 17 | 1.8K | 471 | 297 |
| 334 | Developing countries | 68 | 1.8K | 265 | 340 |
| 336 | Volcanoes | 48 | 1.8K | 27 | 27 |
| 337 | Thrombosis | 44 | 1.7K | 213 | 234 |
| 338 | Oncology | 37 | 1.7K | 630 | 1099 |
| 339 | Sedimentology | 46 | 1.7K | 33 | 52 |
| 340 | Renewable Energy Sources | 24 | 1.7K | 804 | 814 |
| 341 | Immunopathology | 44 | 1.7K | 301 | 267 |
| 342 | Primary health care | 71 | 1.7K | 214 | 227 |
| 343 | Genetic therapy | 20 | 1.7K | 490 | 271 |
| 344 | Economic History | 107 | 1.7K | 407 | 475 |
| 345 | Plant tissue culture | 16 | 1.7K | 223 | 49 |
| 346 | Drug design | 35 | 1.7K | 290 | 237 |
| 347 | Plant cell culture | 9 | 1.6K | 337 | 48 |
| 348 | Bone diseases | 14 | 1.6K | 141 | 88 |
| 349 | human development | 36 | 1.6K | 131 | 123 |
| 350 | Phylogeny | 26 | 1.6K | 200 | 164 |
| 351 | Clinical Pharmacology | 65 | 1.6K | 174 | 205 |
| 352 | Electronics | 41 | 1.6K | 1121 | 648 |
| 353 | Business | 30 | 1.6K | 628 | 555 |
| 354 | Radiation effects | 9 | 1.6K | 293 | 40 |
| 355 | Liposomes | 14 | 1.6K | 155 | 64 |
| 355 | Lipid bilayers | 14 | 1.6K | 127 | 60 |
| 357 | psychotherapy | 43 | 1.6K | 298 | 331 |
| 358 | economic policy | 81 | 1.5K | 265 | 278 |
| 359 | isomerism | 28 | 1.5K | 20 | 4 |
| 359 | Chirality | 28 | 1.5K | 20 | 4 |
| 361 | Sports Medicine | 59 | 1.5K | 539 | 542 |
| 362 | Environmental Chemistry | 55 | 1.5K | 287 | 649 |
| 363 | Pharmacogenetics | 36 | 1.5K | 188 | 213 |
| 364 | Social behavior | 34 | 1.5K | 250 | 262 |
| 365 | natural disasters | 37 | 1.5K | 149 | 140 |
| 366 | Health Education | 53 | 1.4K | 351 | 336 |
| 367 | adolescence | 9 | 1.4K | 557 | 174 |
| 368 | energy resources | 35 | 1.4K | 256 | 427 |
| 369 | Parasitology | 50 | 1.4K | 545 | 498 |
| 370 | Artificial Intelligence | 65 | 1.4K | 703 | 850 |
| 370 | Paleoecology | 47 | 1.4K | 154 | 208 |
| 372 | Health Services Research | 60 | 1.4K | 262 | 320 |
| 373 | pain | 34 | 1.4K | 376 | 418 |
| 374 | Paleogeography | 45 | 1.4K | 123 | 187 |
| 375 | Biodiversity | 34 | 1.4K | 598 | 614 |
| 376 | Neural circuitry | 16 | 1.4K | 819 | 386 |
| 377 | emergency management | 28 | 1.3K | 92 | 54 |
| 378 | Climatology | 50 | 1.3K | 409 | 569 |
| 379 | Music | 15 | 1.3K | 345 | 49 |
| 380 | Planets | 39 | 1.3K | 582 | 688 |
| 381 | Oncogenes | 14 | 1.3K | 671 | 606 |
| 382 | cytokines | 18 | 1.3K | 464 | 236 |
| 383 | locomotion | 75 | 1.3K | 29 | 93 |
| 383 | posture | 75 | 1.3K | 29 | 93 |
| 383 | gait | 75 | 1.3K | 29 | 93 |
| 383 | walking | 75 | 1.3K | 29 | 93 |
| 387 | Educational Psychology | 58 | 1.2K | 223 | 345 |
| 387 | Youth | 8 | 1.2K | 408 | 125 |
| 389 | Hippocampus | 14 | 1.2K | 94 | 69 |
| 390 | Tropical Medicine | 49 | 1.2K | 273 | 264 |
| 391 | freshwater biology | 21 | 1.2K | 256 | 159 |
| 392 | Climate change | 8 | 1.2K | 749 | 784 |
| 393 | vascular diseases | 22 | 1.2K | 226 | 229 |
| 394 | Lipids | 19 | 1.2K | 491 | 368 |
| 395 | Smoking | 35 | 1.2K | 182 | 188 |
| 396 | Eutrophication | 7 | 1.2K | 778 | 789 |
| 397 | Eating Disorders | 33 | 1.2K | 193 | 186 |
| 397 | Feeding and Eating Disorders | 33 | 1.2K | 179 | 175 |
| 399 | Emergency Medicine | 44 | 1.2K | 392 | 300 |
| 400 | older people | 70 | 1.2K | 254 | 204 |
| 401 | Speech Disorders | 47 | 1.2K | 206 | 237 |
| 402 | Medical Oncology | 33 | 1.2K | 767 | 708 |
| 403 | cryosphere | 8 | 1.1K | 262 | 129 |
| 404 | Geography | 71 | 1.1K | 366 | 562 |
| 405 | Clinical Immunology | 28 | 1.1K | 386 | 280 |
| 406 | Aquatic ecology | 15 | 1.1K | 382 | 113 |
| 407 | Chemotherapy | 52 | 1.1K | 248 | 322 |
| 408 | Global Health | 57 | 1.1K | 94 | 102 |
| 409 | catalytic activity | 23 | 1.1K | 142 | 123 |
| 410 | Jurisprudence | 50 | 1.1K | 125 | 114 |
| 411 | Dynamics | 32 | 1.1K | 397 | 190 |
| 412 | Neuropsychiatry | 40 | 1.1K | 133 | 198 |
| 412 | Autoimmunity | 32 | 1.1K | 132 | 229 |
| 414 | Geodynamics | 25 | 1.1K | 263 | 249 |
| 415 | Computer Vision | 22 | 1.1K | 338 | 366 |
| 416 | cloning | 15 | 1.1K | 236 | 262 |
| 417 | Teaching | 32 | 1.1K | 408 | 299 |
| 418 | Muscles | 11 | 1.1K | 511 | 234 |
| 419 | disease outbreaks | 12 | 1.1K | 241 | 123 |
| 419 | Epidemics | 12 | 1.1K | 233 | 122 |
| 421 | Information Theory | 28 | 1.1K | 266 | 210 |
| 422 | Substance Abuse | 36 | 1.1K | 393 | 359 |
| 422 | Performance | 19 | 1.1K | 46 | 42 |
| 424 | Geriatric Psychiatry | 36 | 1.1K | 209 | 239 |
| 425 | Autoimmune diseases | 27 | 1.0K | 108 | 125 |
| 426 | Environmental pollutants | 30 | 1.0K | 607 | 626 |
| 427 | Bioethics | 41 | 1.0K | 121 | 87 |
| 428 | Long-Term Care | 22 | 1.0K | 129 | 152 |
| 428 | Long-term care facilities | 22 | 1.0K | 129 | 152 |
| 430 | Orthopedics | 25 | 1.0K | 631 | 517 |
| 431 | Sedimentary rocks | 32 | 1.0K | 48 | 84 |
| 432 | Econometrics | 47 | 1.0K | 237 | 343 |
| 433 | visualization | 106 | 1.0K | 77 | 106 |
| 433 | RNA | 26 | 1.0K | 94 | 141 |
| 435 | Cosmochemistry | 29 | 998 | 174 | 210 |
| 436 | Data Mining | 31 | 979 | 254 | 459 |
| 437 | Sarcopenia | 7 | 967 | 202 | 72 |
| 438 | Molecules | 27 | 966 | 543 | 394 |
| 439 | Dermatology | 23 | 965 | 818 | 607 |
| 440 | Environmental Toxicology | 17 | 962 | 1069 | 890 |
| 441 | Systems Biology | 43 | 961 | 247 | 338 |
| 442 | pollutants | 25 | 960 | 567 | 572 |
| 443 | data collection | 30 | 956 | 118 | 341 |
| 444 | global environmental change | 28 | 954 | 154 | 281 |
| 445 | commerce | 18 | 953 | 534 | 394 |
| 446 | International Finance | 31 | 950 | 382 | 355 |
| 447 | enzymes | 31 | 948 | 366 | 434 |
| 448 | motivation | 18 | 941 | 57 | 59 |
| 449 | Sustainable Development | 19 | 937 | 675 | 564 |
| 450 | Endocrine glands | 9 | 935 | 106 | 95 |
| 451 | Emotion | 17 | 931 | 23 | 32 |
| 452 | Antibacterial agents | 23 | 928 | 126 | 129 |
| 452 | Soft Condensed Matter | 25 | 928 | 358 | 303 |
| 454 | Molecular Pharmacology | 19 | 920 | 222 | 231 |
| 455 | Wildlife conservation | 10 | 919 | 727 | 475 |
| 456 | Altitude Sickness | 16 | 916 | 22 | 8 |
| 456 | Altitude | 16 | 916 | 22 | 8 |
| 458 | children | 26 | 913 | 99 | 105 |
| 459 | Medical Technology | 50 | 911 | 187 | 359 |
| 459 | Language Acquisition | 32 | 911 | 44 | 71 |
| 461 | European Union | 16 | 910 | 31 | 14 |
| 462 | Physical Therapy | 14 | 904 | 664 | 435 |
| 463 | Environmental Law | 21 | 901 | 323 | 497 |
| 464 | Parasites | 26 | 897 | 464 | 378 |
| 465 | biopolymers | 23 | 892 | 399 | 346 |
| 466 | Community Psychiatry | 13 | 891 | 484 | 274 |
| 467 | Petroleum Geology | 38 | 888 | 70 | 129 |
| 468 | Water quality management | 17 | 886 | 733 | 331 |
| 468 | counseling | 36 | 886 | 324 | 341 |
| 470 | sustainability | 17 | 885 | 192 | 270 |
| 471 | cell interaction | 35 | 882 | 175 | 326 |
| 472 | Memory disorders | 19 | 881 | 20 | 30 |
| 473 | Magnetic Resonance Spectroscopy | 61 | 879 | 169 | 295 |
| 474 | probabilities | 62 | 877 | 196 | 191 |
| 475 | Cognitive Psychology | 49 | 871 | 4 | 20 |
| 476 | Biogeochemistry | 25 | 866 | 390 | 537 |
| 476 | Optical materials | 29 | 866 | 942 | 1161 |
| 476 | Medical innovations | 18 | 866 | 348 | 668 |
| 479 | Patient education | 33 | 864 | 104 | 190 |
| 480 | Adolescent Psychology | 21 | 855 | 242 | 233 |
| 481 | Clinical Biochemistry | 16 | 854 | 608 | 357 |
| 482 | Neurosurgery | 28 | 851 | 349 | 388 |
| 483 | language | 37 | 848 | 126 | 188 |
| 484 | Public Policy | 41 | 844 | 349 | 475 |
| 485 | Luminescence | 27 | 843 | 283 | 152 |
| 486 | Autoantibodies | 24 | 836 | 106 | 145 |
| 487 | Biogeography | 10 | 827 | 611 | 506 |
| 488 | Electrical Engineering | 32 | 819 | 1265 | 578 |
| 489 | city planning | 26 | 818 | 468 | 364 |
| 490 | Mental Health Services | 26 | 817 | 377 | 289 |
| 491 | Archaeology | 40 | 816 | 336 | 322 |
| 492 | drug development | 19 | 802 | 308 | 649 |
| 493 | Operations Research | 41 | 786 | 559 | 736 |
| 494 | Public Administration | 23 | 784 | 463 | 297 |
| 494 | Histocompatibility Testing | 20 | 784 | 147 | 61 |
| 496 | Kidney diseases | 23 | 782 | 286 | 299 |
| 497 | Personality Assessment | 12 | 778 | 246 | 176 |
| 498 | Nonverbal Communication | 11 | 775 | 49 | 27 |
| 498 | Body language | 11 | 775 | 10 | 14 |
| 500 | Mental Health | 36 | 774 | 367 | 388 |
| 501 | Agriculture | 11 | 762 | 1426 | 748 |
| 502 | Statistical Mechanics | 28 | 754 | 301 | 187 |
| 503 | Atmospheric Physics | 23 | 753 | 690 | 741 |
| 504 | Sports | 24 | 749 | 806 | 668 |
| 505 | Urban Economics | 11 | 746 | 139 | 110 |
| 506 | Bioinorganic chemistry | 29 | 737 | 403 | 405 |
| 507 | Geomagnetism | 33 | 732 | 174 | 198 |
| 507 | Inflammation | 30 | 732 | 235 | 441 |
| 509 | Hematopoietic stem cell transplantation | 4 | 725 | 460 | 94 |
| 510 | Quantum Chemistry | 23 | 724 | 232 | 122 |
| 511 | Cytokine | 3 | 722 | 496 | 126 |
| 512 | Medical Laboratory Science | 19 | 717 | 851 | 850 |
| 513 | glycoproteins | 12 | 711 | 180 | 141 |
| 513 | Glycoconjugates | 12 | 711 | 180 | 141 |
| 513 | Biometrics | 10 | 711 | 705 | 366 |
| 513 | glycolipids | 12 | 711 | 180 | 141 |
| 517 | Travel | 41 | 709 | 95 | 125 |
| 517 | Developmental Disabilities | 36 | 709 | 218 | 421 |
| 517 | Growth factors | 2 | 709 | 431 | 114 |
| 520 | Chemical Engineering | 24 | 707 | 2147 | 2316 |
| 521 | Microbial Genetics | 11 | 706 | 134 | 105 |
| 521 | phytopathogenic bacteria | 11 | 706 | 107 | 102 |
| 523 | Plant Genetics | 14 | 702 | 306 | 356 |
| 523 | Economic Assistance | 21 | 702 | 167 | 264 |
| 525 | Zoology | 20 | 698 | 1241 | 856 |
| 526 | Computational Intelligence | 4 | 697 | 918 | 82 |
| 527 | Organometallic chemistry | 28 | 696 | 538 | 400 |
| 528 | histological techniques | 14 | 695 | 274 | 275 |
| 529 | Mortgages | 15 | 694 | 57 | 26 |
| 530 | warfare | 26 | 689 | 44 | 90 |
| 531 | Fisheries | 31 | 688 | 508 | 608 |
| 532 | Biosensors | 40 | 685 | 195 | 650 |
| 533 | Marine Geology | 32 | 682 | 98 | 162 |
| 534 | Systems Engineering | 11 | 668 | 1172 | 482 |
| 535 | Medicinal plants | 16 | 665 | 571 | 541 |
| 536 | Psychoneuroimmunology | 11 | 664 | 340 | 283 |
| 536 | Neuroimmunology | 11 | 664 | 379 | 309 |
| 538 | Radiobiology | 30 | 662 | 720 | 752 |
| 539 | Medical Anthropology | 22 | 660 | 404 | 606 |
| 540 | Paleontology | 39 | 658 | 353 | 423 |
| 541 | Nephrology | 16 | 650 | 242 | 279 |
| 541 | Physical Geography | 14 | 650 | 175 | 91 |
| 543 | child behavior | 15 | 647 | 129 | 134 |
| 544 | Carbohydrates | 18 | 634 | 102 | 143 |
| 544 | drug evaluation | 23 | 634 | 334 | 319 |
| 546 | Hemostasis | 33 | 633 | 144 | 204 |
| 547 | Landslides | 11 | 632 | 75 | 76 |
| 548 | Algebra | 33 | 631 | 431 | 208 |
| 549 | Development | 18 | 623 | 248 | 324 |
| 550 | Radiography | 5 | 620 | 635 | 278 |
| 550 | software | 13 | 620 | 313 | 243 |
| 552 | Computational Complexity | 16 | 604 | 302 | 90 |
| 552 | Eigenvalues | 117 | 604 | 1 | 3 |
| 554 | Electron Microscopy | 18 | 603 | 89 | 46 |
| 554 | Sexual health | 33 | 603 | 151 | 220 |
| 556 | Plant Morphology | 13 | 600 | 201 | 100 |
| 557 | mental processes | 28 | 598 | 35 | 49 |
| 558 | Biological Systems | 13 | 594 | 207 | 116 |
| 558 | refugees | 23 | 594 | 30 | 23 |
| 560 | Food preferences | 13 | 592 | 119 | 113 |
| 561 | Environmental Management | 21 | 588 | 1112 | 1582 |
| 562 | Evolutionary Genetics | 9 | 585 | 284 | 128 |
| 562 | Molecular Epidemiology | 9 | 585 | 284 | 128 |
| 562 | international trade | 29 | 585 | 80 | 163 |
| 565 | Investment analysis | 3 | 579 | 903 | 168 |
| 565 | world | 15 | 579 | 271 | 366 |
| 567 | marketing | 16 | 578 | 843 | 816 |
| 567 | international cooperation | 24 | 578 | 111 | 168 |
| 569 | cell movement | 8 | 568 | 113 | 69 |
| 570 | Mycology | 23 | 565 | 598 | 756 |
| 571 | Psychiatric Epidemiology | 5 | 564 | 448 | 202 |
| 572 | Agricultural Chemistry | 13 | 563 | 1353 | 1076 |
| 572 | Europa | 36 | 563 | 51 | 113 |
| 574 | ecosystem | 7 | 556 | 1027 | 765 |
| 575 | Oligosaccharide | 8 | 548 | 154 | 130 |
| 576 | rare diseases | 12 | 546 | 311 | 255 |
| 577 | Language Disorders | 27 | 544 | 236 | 257 |
| 578 | Signal Processing | 13 | 537 | 989 | 621 |
| 579 | Genes | 14 | 532 | 485 | 365 |
| 580 | Transportation | 10 | 530 | 1003 | 683 |
| 581 | Photobiology | 19 | 527 | 388 | 428 |
| 582 | Soil Science | 18 | 526 | 774 | 873 |
| 582 | lasers | 6 | 526 | 1664 | 459 |
| 584 | Foraminifera | 22 | 524 | 6 | 8 |
| 584 | nuclear magnetic resonance | 45 | 524 | 224 | 438 |
| 584 | health planning | 26 | 524 | 626 | 652 |
| 587 | voice | 6 | 523 | 369 | 94 |
| 588 | Neurolinguistics | 21 | 522 | 89 | 170 |
| 588 | Leadership | 8 | 522 | 235 | 226 |
| 590 | International Relations | 43 | 521 | 215 | 282 |
| 591 | War | 21 | 516 | 23 | 18 |
| 592 | Biomechanics | 22 | 512 | 470 | 650 |
| 593 | Experimental Psychology | 24 | 510 | 145 | 246 |
| 594 | Osteoporosis | 10 | 509 | 113 | 72 |
| 595 | Neuroplasticity | 11 | 504 | 82 | 38 |
| 595 | neuronal plasticity | 11 | 504 | 63 | 32 |
| 597 | Energy Conversion | 8 | 503 | 845 | 899 |
| 598 | Chemical analysis | 17 | 501 | 447 | 408 |
| 599 | Autism | 14 | 500 | 303 | 341 |
| 600 | Astrocytes | 13 | 496 | 189 | 318 |
| 601 | Strategic planning | 8 | 495 | 409 | 236 |
| 602 | Africa | 49 | 493 | 223 | 321 |
| 603 | Human-Computer Interaction | 22 | 491 | 378 | 488 |
| 603 | families | 31 | 491 | 166 | 229 |
| 605 | Real Estate Investment | 11 | 486 | 64 | 20 |
| 606 | System analysis | 21 | 485 | 931 | 892 |
| 607 | civil service | 8 | 484 | 208 | 105 |
| 608 | Longevity | 7 | 475 | 69 | 29 |
| 609 | Latin America | 28 | 474 | 447 | 169 |
| 609 | rejuvenation | 6 | 474 | 51 | 24 |
| 611 | Decision making | 12 | 472 | 725 | 579 |
| 612 | Nanobiotechnology | 8 | 471 | 179 | 185 |
| 613 | Lipid metabolism | 5 | 469 | 333 | 180 |
| 613 | Lipid | 5 | 469 | 334 | 181 |
| 615 | Elderly | 48 | 467 | 261 | 228 |
| 616 | Social problems | 7 | 466 | 399 | 237 |
| 617 | Globalization | 15 | 463 | 132 | 123 |
| 618 | Cardiovascular diseases | 22 | 457 | 674 | 788 |
| 619 | Conservation Biology | 11 | 454 | 634 | 630 |
| 620 | Synaptic Transmission | 28 | 452 | 72 | 198 |
| 621 | protein | 15 | 451 | 599 | 668 |
| 622 | nuclear magnetic resonance spectroscopy | 26 | 450 | 166 | 252 |
| 623 | Environmental Geology | 17 | 449 | 566 | 660 |
| 624 | Quality Control | 7 | 448 | 1314 | 669 |
| 624 | Natural resources | 6 | 448 | 567 | 352 |
| 624 | Antarctica | 20 | 448 | 137 | 106 |
| 627 | Contraception | 18 | 447 | 199 | 238 |
| 628 | risk factors | 19 | 443 | 238 | 345 |
| 628 | Developmental Immunology | 13 | 443 | 296 | 289 |
| 628 | Algae | 9 | 443 | 497 | 370 |
| 631 | Culture techniques | 13 | 442 | 105 | 85 |
| 632 | Elections | 24 | 439 | 57 | 82 |
| 633 | Organometallic compounds | 16 | 438 | 536 | 521 |
| 634 | Palliative Care | 25 | 437 | 218 | 295 |
| 634 | Geriatric Oncology | 14 | 437 | 223 | 266 |
| 636 | Bilingualism | 14 | 435 | 46 | 70 |
| 637 | Family | 21 | 430 | 310 | 369 |
| 637 | movement | 8 | 430 | 139 | 101 |
| 639 | Musicology | 3 | 428 | 249 | 15 |
| 639 | Knowledge | 43 | 428 | 47 | 97 |
| 641 | Quantum Computing | 13 | 427 | 46 | 54 |
| 642 | Pharmacogenomics | 14 | 425 | 53 | 99 |
| 643 | Water Microbiology | 3 | 424 | 542 | 119 |
| 644 | Regional Planning | 22 | 422 | 565 | 653 |
| 645 | Industrial Microbiology | 7 | 421 | 1493 | 1191 |
| 646 | Recycling | 5 | 419 | 450 | 414 |
| 647 | Plant Biotechnology | 7 | 418 | 542 | 374 |
| 647 | Intelligence | 12 | 418 | 82 | 115 |
| 649 | feeding behavior | 12 | 416 | 369 | 371 |
| 649 | behavior modification | 6 | 416 | 308 | 251 |
| 651 | Cybernetics | 15 | 412 | 549 | 564 |
| 651 | Metastasis | 1 | 412 | 501 | 156 |
| 651 | Production Management | 5 | 412 | 926 | 737 |
| 651 | fuel cells | 6 | 412 | 1037 | 835 |
| 655 | Chemical Oceanography | 13 | 411 | 130 | 202 |
| 656 | European integration | 14 | 409 | 73 | 79 |
| 656 | European Economic Community | 14 | 409 | 72 | 79 |
| 658 | urban population | 5 | 408 | 158 | 148 |
| 659 | Biomass Energy | 9 | 407 | 1721 | 1649 |
| 660 | Developmental Neurobiology | 16 | 403 | 124 | 169 |
| 661 | Humanities | 24 | 402 | 418 | 272 |
| 661 | environmental exposure | 23 | 402 | 581 | 1013 |
| 663 | Food | 12 | 401 | 1927 | 1849 |
| 664 | environmental indicators | 10 | 400 | 573 | 588 |
| 664 | Marine Pollution | 11 | 400 | 625 | 703 |
| 664 | biochemical markers | 5 | 400 | 735 | 206 |
| 667 | Neuroimaging | 11 | 399 | 105 | 67 |
| 667 | Sociolinguistics | 12 | 399 | 165 | 121 |
| 667 | peace | 12 | 399 | 199 | 197 |
| 670 | Functional Analysis | 19 | 397 | 516 | 437 |
| 670 | Combinatorial chemistry | 7 | 397 | 605 | 491 |
| 670 | Neuropharmacology | 12 | 397 | 227 | 259 |
| 670 | Birth control | 19 | 397 | 123 | 186 |
| 674 | Applied Linguistics | 20 | 395 | 122 | 140 |
| 674 | Food additives | 7 | 395 | 866 | 653 |
| 676 | Cell adhesion | 13 | 394 | 16 | 38 |
| 677 | Leukemia | 16 | 392 | 742 | 920 |
| 678 | Phonetics | 13 | 388 | 98 | 102 |
| 678 | Quantum Communication | 11 | 388 | 55 | 93 |
| 678 | biological monitoring | 15 | 388 | 102 | 173 |
| 678 | mathematical analysis | 38 | 388 | 815 | 885 |
| 682 | Andrology | 11 | 385 | 347 | 260 |
| 682 | Histochemistry | 15 | 385 | 486 | 481 |
| 682 | Metallurgy | 11 | 385 | 1600 | 1236 |
| 685 | Algorithms | 16 | 383 | 199 | 180 |
| 685 | Cytoskeleton | 10 | 383 | 113 | 122 |
| 685 | Seaweed | 6 | 383 | 467 | 331 |
| 685 | NMR | 20 | 383 | 87 | 89 |
| 689 | magnetic resonance | 19 | 380 | 96 | 87 |
| 690 | Ethnic relations | 14 | 376 | 180 | 102 |
| 690 | Family Therapy | 15 | 376 | 291 | 249 |
| 692 | Agricultural Ecology | 5 | 375 | 1003 | 780 |
| 693 | Magnetic Materials | 14 | 373 | 741 | 777 |
| 694 | Cell communication | 15 | 371 | 246 | 416 |
| 695 | Carcinogenesis | 10 | 370 | 595 | 688 |
| 695 | Behavioral research | 7 | 370 | 243 | 68 |
| 695 | water supply | 12 | 370 | 487 | 610 |
| 695 | industrial relations | 13 | 370 | 387 | 276 |
| 699 | Computer Science | 22 | 368 | 663 | 653 |
| 700 | Social policy | 19 | 367 | 306 | 304 |
| 700 | child mental health | 12 | 367 | 174 | 146 |
| 702 | Fungi | 14 | 365 | 492 | 715 |
| 702 | Intellectual disability | 22 | 365 | 268 | 387 |
| 704 | Fluorescence | 3 | 362 | 507 | 42 |
| 705 | Radiology | 23 | 356 | 645 | 748 |
| 705 | toxicity testing | 7 | 356 | 459 | 315 |
| 705 | sexual behavior | 8 | 356 | 406 | 336 |
| 708 | Biomarkers | 4 | 353 | 389 | 79 |
| 709 | Geriatric Medicine | 5 | 351 | 102 | 37 |
| 709 | Entropy | 28 | 351 | 134 | 227 |
| 711 | Ethnic Conflict | 11 | 348 | 88 | 68 |
| 711 | forced migration | 11 | 348 | 88 | 68 |
| 711 | Asia | 51 | 348 | 411 | 937 |
| 711 | race relations | 11 | 348 | 256 | 186 |
| 715 | Social History | 25 | 347 | 95 | 77 |
| 715 | Land use | 13 | 347 | 469 | 579 |
| 715 | Political Participation | 20 | 347 | 55 | 112 |
| 718 | Human Geography | 26 | 346 | 300 | 471 |
| 718 | Reproductive health | 18 | 346 | 251 | 365 |
| 718 | Cognitive Therapy | 13 | 346 | 258 | 296 |
| 721 | actuators | 19 | 345 | 904 | 1415 |
| 721 | transducers | 19 | 345 | 904 | 1415 |
| 723 | Virtual reality | 6 | 344 | 218 | 99 |
| 724 | Energy Consumption | 9 | 341 | 56 | 43 |
| 725 | Nanoparticles | 17 | 339 | 813 | 1157 |
| 726 | Geriatric Pharmacology | 10 | 338 | 124 | 122 |
| 727 | Mobile Computing | 10 | 337 | 557 | 334 |
| 727 | Pregnancy | 17 | 337 | 278 | 379 |
| 729 | election law | 18 | 334 | 47 | 84 |
| 729 | Voting | 18 | 334 | 41 | 81 |
| 731 | environmental issues | 16 | 333 | 85 | 178 |
| 732 | eye | 6 | 332 | 118 | 289 |
| 732 | Soil ecology | 4 | 332 | 763 | 478 |
| 734 | Language Development | 12 | 330 | 64 | 94 |
| 734 | China | 26 | 330 | 954 | 1381 |
| 736 | sedimentary basins | 10 | 328 | 71 | 97 |
| 737 | International Business | 4 | 326 | 122 | 28 |
| 738 | Environmental Psychology | 15 | 325 | 68 | 251 |
| 739 | Quantum Optics | 9 | 324 | 560 | 376 |
| 739 | Hemophilia | 20 | 324 | 170 | 227 |
| 739 | Multimedia Systems | 18 | 324 | 564 | 508 |
| 742 | Forest Ecology | 10 | 323 | 637 | 700 |
| 743 | Social Systems | 4 | 321 | 156 | 15 |
| 744 | Sites | 7 | 319 | 381 | 374 |
| 745 | Information Science | 15 | 318 | 1164 | 1450 |
| 746 | Particle Physics | 19 | 317 | 237 | 299 |
| 747 | cell adhesion molecules | 13 | 316 | 147 | 253 |
| 748 | Systems Theory | 7 | 315 | 348 | 72 |
| 748 | Drug delivery devices | 9 | 315 | 26 | 73 |
| 750 | DNA methylation | 1 | 313 | 712 | 171 |
| 751 | Radiation | 23 | 312 | 818 | 1127 |
| 752 | Emergency Medical Services | 25 | 311 | 154 | 257 |
| 752 | educational statistics | 1 | 311 | 197 | 53 |
| 752 | technical education | 7 | 311 | 290 | 129 |
| 755 | Demography | 20 | 310 | 194 | 385 |
| 756 | Geometry | 35 | 309 | 266 | 300 |
| 756 | Anxiety Disorders | 7 | 309 | 367 | 491 |
| 756 | Anxiety | 7 | 309 | 364 | 492 |
| 759 | Analytical Biochemistry | 18 | 306 | 663 | 1044 |
| 760 | Organ transplantation | 26 | 305 | 93 | 135 |
| 761 | Geographic information systems | 16 | 303 | 331 | 326 |
| 761 | Appetite | 9 | 303 | 389 | 413 |
| 763 | Multivariate Analysis | 7 | 300 | 305 | 212 |
| 764 | Software Engineering | 9 | 294 | 634 | 373 |
| 764 | Wireless Communication Systems | 7 | 294 | 1581 | 849 |
| 766 | Middle East | 28 | 290 | 157 | 243 |
| 766 | atmospheric models | 7 | 290 | 548 | 587 |
| 766 | women | 6 | 290 | 615 | 193 |
| 769 | fertility | 9 | 289 | 901 | 944 |
| 770 | Minerals | 8 | 286 | 394 | 310 |
| 771 | Political Parties | 13 | 284 | 50 | 73 |
| 771 | Australia | 23 | 284 | 625 | 893 |
| 773 | Human Rights | 16 | 283 | 165 | 165 |
| 773 | Depression | 5 | 283 | 287 | 376 |
| 775 | Political Psychology | 8 | 280 | 171 | 197 |
| 776 | Geodesy | 5 | 278 | 633 | 301 |
| 776 | Environmental risk assessment | 14 | 278 | 89 | 138 |
| 778 | Restoration Ecology | 7 | 276 | 270 | 226 |
| 779 | Professional ethics | 6 | 275 | 146 | 73 |
| 780 | Cell division | 6 | 273 | 384 | 309 |
| 780 | Organic Geochemistry | 11 | 273 | 162 | 295 |
| 780 | Methodology | 12 | 273 | 115 | 94 |
| 780 | transport vesicles | 2 | 273 | 373 | 432 |
| 784 | Product life cycle | 5 | 272 | 241 | 201 |
| 784 | green products | 5 | 272 | 215 | 196 |
| 786 | Fluid Dynamics | 2 | 271 | 1678 | 639 |
| 786 | Engineering Ethics | 5 | 271 | 127 | 64 |
| 786 | concrete | 4 | 271 | 988 | 805 |
| 789 | Molecular Spectroscopy | 9 | 268 | 1167 | 1019 |
| 790 | Biogeochemical cycles | 2 | 267 | 642 | 506 |
| 790 | Emerging infectious diseases | 7 | 267 | 170 | 151 |
| 792 | Computer-Aided Design | 8 | 266 | 774 | 622 |
| 792 | psychophysics | 17 | 266 | 64 | 93 |
| 794 | Business Ethics | 7 | 265 | 607 | 807 |
| 795 | Randomized Controlled Trials | 16 | 264 | 502 | 516 |
| 796 | Freezing | 9 | 261 | 192 | 107 |
| 797 | Alternative Medicine | 14 | 260 | 854 | 1110 |
| 797 | Malaria | 9 | 260 | 460 | 459 |
| 799 | polar regions | 9 | 258 | 402 | 364 |
| 799 | anesthesia | 19 | 258 | 116 | 114 |
| 801 | Financial management | 5 | 257 | 410 | 371 |
| 802 | Cement | 3 | 255 | 702 | 573 |
| 802 | Informatics | 12 | 255 | 372 | 573 |
| 804 | Industrial Safety | 9 | 254 | 651 | 593 |
| 804 | Atomic spectroscopy | 6 | 254 | 980 | 626 |
| 806 | Germany | 13 | 253 | 257 | 103 |
| 807 | complementary therapies | 13 | 251 | 990 | 1155 |
| 808 | Immunochemistry | 19 | 250 | 322 | 588 |
| 809 | Groundwater | 4 | 249 | 715 | 345 |
| 810 | Cell migration | 2 | 246 | 97 | 44 |
| 810 | Organizational change | 9 | 246 | 350 | 361 |
| 812 | Geopolitics | 13 | 245 | 49 | 58 |
| 813 | Comparative Physiology | 10 | 243 | 501 | 539 |
| 813 | Reservoirs | 9 | 243 | 68 | 33 |
| 813 | lakes | 9 | 243 | 14 | 7 |
| 816 | economic conditions | 9 | 242 | 340 | 350 |
| 817 | Remote Sensing | 17 | 240 | 545 | 618 |
| 817 | Translation | 21 | 240 | 7 | 13 |
| 819 | Oral Medicine | 7 | 239 | 440 | 202 |
| 819 | Algal blooms | 2 | 239 | 448 | 268 |
| 819 | Cyanobacteria | 2 | 239 | 448 | 268 |
| 819 | microalgae | 2 | 239 | 448 | 268 |
| 823 | Political Geography | 10 | 237 | 123 | 147 |
| 823 | Marine biodiversity | 5 | 237 | 208 | 53 |
| 825 | Economic Thought | 5 | 235 | 223 | 307 |
| 825 | energy development | 9 | 235 | 387 | 685 |
| 827 | Women's health | 13 | 234 | 623 | 821 |
| 828 | administrative agencies | 4 | 233 | 242 | 123 |
| 829 | Psychometrics | 7 | 232 | 305 | 317 |
| 829 | Vaccination | 3 | 232 | 288 | 141 |
| 831 | Automation | 9 | 231 | 1212 | 1200 |
| 832 | Speech-Language Pathology | 6 | 230 | 167 | 104 |
| 832 | Public opinion | 9 | 230 | 197 | 241 |
| 834 | Health insurance | 4 | 228 | 467 | 320 |
| 834 | Cell survival | 2 | 228 | 336 | 119 |
| 834 | molecular chaperones | 2 | 228 | 393 | 121 |
| 837 | Scheduling | 4 | 227 | 110 | 50 |
| 837 | Production Scheduling | 4 | 227 | 110 | 50 |
| 839 | Marine Ecology | 3 | 226 | 901 | 434 |
| 839 | Psychiatric hospitals | 3 | 226 | 412 | 196 |
| 841 | Petroleum Engineering | 7 | 225 | 523 | 432 |
| 842 | Infertility | 8 | 223 | 901 | 1041 |
| 843 | speech therapy | 7 | 220 | 278 | 215 |
| 843 | conflict management | 5 | 220 | 199 | 155 |
| 845 | Immunopharmacology | 2 | 219 | 1619 | 720 |
| 845 | landscapes | 5 | 219 | 112 | 64 |
| 847 | Green Chemistry | 5 | 218 | 1575 | 1641 |
| 847 | Sustainable Engineering | 5 | 218 | 1457 | 1340 |
| 849 | Respiratory system | 11 | 216 | 290 | 502 |
| 850 | Library Science | 5 | 214 | 1132 | 300 |
| 851 | Number Theory | 22 | 211 | 245 | 190 |
| 851 | Space telescopes | 12 | 211 | 60 | 68 |
| 851 | industrial hygiene | 15 | 211 | 446 | 460 |
| 854 | Ecosystem management | 2 | 209 | 1032 | 511 |
| 855 | Forest Management | 5 | 208 | 918 | 849 |
| 855 | Digestive system diseases | 5 | 208 | 990 | 787 |
| 857 | bioclimatology | 7 | 207 | 587 | 560 |
| 858 | Structural Equation Modeling | 2 | 205 | 148 | 95 |
| 858 | Radioisotopes | 14 | 205 | 572 | 611 |
| 860 | Psychosomatic Medicine | 11 | 204 | 476 | 774 |
| 861 | Solar System | 8 | 202 | 624 | 699 |
| 862 | Atmospheric Chemistry | 7 | 201 | 765 | 1025 |
| 862 | Hearing | 10 | 201 | 392 | 466 |
| 864 | Anthropology | 28 | 199 | 535 | 905 |
| 865 | ethnicity | 7 | 196 | 445 | 265 |
| 866 | Vocational Education | 10 | 195 | 267 | 259 |
| 866 | Forensic Psychiatry | 11 | 195 | 277 | 321 |
| 866 | Video Games | 1 | 195 | 218 | 7 |
| 866 | Japan | 11 | 195 | 1285 | 1131 |
| 866 | Combinatorial analysis | 17 | 195 | 461 | 416 |
| 871 | War and Society | 7 | 192 | 125 | 197 |
| 872 | computer networks | 13 | 191 | 1286 | 1611 |
| 873 | hospice care | 9 | 189 | 304 | 266 |
| 873 | Genetic testing | 5 | 189 | 238 | 80 |
| 873 | Reproductive toxicology | 6 | 189 | 370 | 384 |
| 873 | International security | 4 | 189 | 204 | 211 |
| 873 | Gastrointestinal diseases | 8 | 189 | 446 | 402 |
| 878 | Sovereignty | 4 | 188 | 84 | 44 |
| 878 | intergroup relations | 11 | 188 | 45 | 114 |
| 878 | Bacteria | 6 | 188 | 260 | 467 |
| 881 | monitoring | 26 | 187 | 12 | 83 |
| 881 | Laser Spectroscopy | 4 | 187 | 858 | 505 |
| 883 | Urology | 11 | 186 | 1389 | 1791 |
| 884 | Hydrogeology | 9 | 185 | 371 | 420 |
| 885 | Geothermal Energy | 8 | 183 | 118 | 149 |
| 885 | Holistic Health | 5 | 183 | 336 | 219 |
| 885 | radioactive waste | 2 | 183 | 1137 | 945 |
| 885 | industrial waste | 3 | 183 | 931 | 940 |
| 885 | Hazardous waste | 2 | 183 | 1347 | 1010 |
| 885 | allied health | 5 | 183 | 169 | 156 |
| 891 | Ethnology | 37 | 181 | 274 | 761 |
| 892 | Cell surface receptors | 9 | 180 | 23 | 28 |
| 893 | Dentistry | 10 | 179 | 432 | 370 |
| 893 | Control Theory | 7 | 179 | 1289 | 1004 |
| 895 | health services accessibility | 23 | 177 | 249 | 668 |
| 895 | curriculum evaluation | 5 | 177 | 234 | 169 |
| 897 | Exercise | 12 | 176 | 678 | 875 |
| 898 | Philosophy of Mind | 19 | 175 | 25 | 98 |
| 898 | Energy Storage | 4 | 175 | 1267 | 1036 |
| 898 | Herbal medicine | 5 | 175 | 558 | 642 |
| 898 | Personality Disorders | 8 | 175 | 145 | 254 |
| 898 | Human Resources | 3 | 175 | 475 | 390 |
| 903 | Housing | 16 | 174 | 118 | 339 |
| 903 | Egypt | 3 | 174 | 552 | 320 |
| 905 | eugenics | 7 | 172 | 390 | 426 |
| 905 | cosmetics | 3 | 172 | 238 | 115 |
| 907 | Radiation Oncology | 5 | 171 | 347 | 294 |
| 907 | Environmental Economics | 5 | 171 | 290 | 253 |
| 909 | Crystal growth | 10 | 170 | 573 | 803 |
| 910 | Risk Management | 7 | 168 | 463 | 514 |
| 910 | X-rays | 6 | 168 | 532 | 367 |
| 912 | Mountains | 22 | 167 | 47 | 133 |
| 913 | Politics | 11 | 165 | 317 | 308 |
| 913 | society | 5 | 165 | 44 | 22 |
| 913 | government | 12 | 165 | 344 | 403 |
| 913 | Suicide | 6 | 165 | 403 | 403 |
| 917 | soil conservation | 3 | 164 | 914 | 621 |
| 917 | land degradation | 3 | 164 | 570 | 395 |
| 917 | population geography | 9 | 164 | 145 | 236 |
| 917 | degradation | 3 | 164 | 570 | 395 |
| 921 | Computational Fluid Dynamics | 7 | 163 | 418 | 427 |
| 921 | Corporate governance | 8 | 163 | 258 | 418 |
| 921 | Antibodies | 6 | 163 | 574 | 659 |
| 921 | Oligosaccharides | 4 | 163 | 218 | 171 |
| 925 | foreign exchange | 5 | 161 | 269 | 332 |
| 925 | Entomology | 6 | 161 | 2137 | 1618 |
| 927 | epilepsy | 11 | 159 | 573 | 867 |
| 928 | urban health | 6 | 158 | 186 | 257 |
| 929 | Child welfare | 10 | 156 | 593 | 794 |
| 929 | Androgens | 1 | 156 | 553 | 257 |
| 931 | hygiene | 7 | 155 | 304 | 409 |
| 932 | health behavior | 4 | 154 | 1049 | 906 |
| 932 | behavior therapy | 8 | 154 | 582 | 754 |
| 932 | national security | 5 | 154 | 297 | 124 |
| 932 | Maps | 4 | 154 | 134 | 62 |
| 932 | violence | 4 | 154 | 952 | 798 |
| 937 | occupational diseases | 14 | 153 | 415 | 922 |
| 937 | Flood control | 4 | 153 | 224 | 101 |
| 937 | Social interaction | 5 | 153 | 235 | 232 |
| 937 | Structure-activity relationship | 2 | 153 | 667 | 299 |
| 941 | France | 16 | 150 | 125 | 148 |
| 942 | Information Systems | 9 | 149 | 861 | 1216 |
| 942 | Pharmacy management | 11 | 149 | 140 | 171 |
| 944 | Requirements Engineering | 1 | 148 | 171 | 63 |
| 944 | Computational Mathematics | 5 | 148 | 67 | 78 |
| 946 | civil rights | 8 | 147 | 191 | 160 |
| 946 | Biomolecules | 1 | 147 | 996 | 526 |
| 946 | Post-traumatic stress disorder | 11 | 147 | 383 | 760 |
| 949 | Audiology | 4 | 145 | 866 | 761 |
| 949 | Semantic web | 5 | 145 | 88 | 105 |
| 951 | Mathematical Economics | 6 | 144 | 197 | 240 |
| 951 | Multilingualism | 8 | 144 | 109 | 161 |
| 953 | Occupational Health | 15 | 143 | 473 | 832 |
| 953 | Electromagnetism | 6 | 143 | 572 | 446 |
| 955 | embryonic development | 3 | 142 | 497 | 407 |
| 955 | Diplomatic relations | 12 | 142 | 340 | 208 |
| 955 | Work | 5 | 142 | 253 | 213 |
| 958 | Migration | 9 | 140 | 49 | 52 |
| 958 | Catalysts | 3 | 140 | 786 | 521 |
| 960 | scientific societies | 5 | 139 | 752 | 764 |
| 961 | Diffraction | 3 | 138 | 143 | 37 |
| 961 | Soil biology | 3 | 138 | 1075 | 1159 |
| 961 | Insects | 5 | 138 | 1416 | 1179 |
| 964 | Chemical Ecology | 4 | 136 | 544 | 586 |
| 964 | ethanol | 7 | 136 | 324 | 425 |
| 966 | Flood forecasting | 3 | 135 | 106 | 57 |
| 966 | automatic speech recognition | 4 | 135 | 104 | 107 |
| 966 | Thorax | 3 | 135 | 631 | 618 |
| 969 | Ergonomics | 7 | 134 | 803 | 789 |
| 969 | Logistics | 3 | 134 | 554 | 522 |
| 969 | Horticulture | 3 | 134 | 928 | 539 |
| 969 | Ethnoarchaeology | 5 | 134 | 120 | 150 |
| 973 | Powder Metallurgy | 2 | 133 | 573 | 90 |
| 974 | Portfolio Management | 6 | 132 | 224 | 174 |
| 974 | Creativity | 4 | 132 | 194 | 202 |
| 976 | Risk assessment | 8 | 131 | 295 | 370 |
| 976 | Socioeconomic Factors | 9 | 131 | 397 | 720 |
| 978 | clay | 6 | 130 | 566 | 906 |
| 979 | Radiotherapy | 15 | 129 | 156 | 225 |
| 980 | Extreme Value Theory | 7 | 126 | 30 | 46 |
| 981 | Job satisfaction | 3 | 125 | 106 | 176 |
| 981 | Steroids | 7 | 125 | 805 | 1070 |
| 981 | job stress | 3 | 125 | 106 | 176 |
| 984 | Educational Technology | 13 | 124 | 678 | 1244 |
| 984 | pain management | 16 | 124 | 214 | 653 |
| 984 | Communication in medicine | 4 | 124 | 514 | 460 |
| 987 | Nuclear Engineering | 4 | 123 | 1337 | 783 |
| 987 | Microcirculation | 6 | 123 | 333 | 496 |
| 987 | Blood vessels | 6 | 123 | 232 | 374 |
| 990 | Spine | 6 | 122 | 623 | 941 |
| 990 | motor skills | 4 | 122 | 155 | 177 |
| 992 | Language Policy | 2 | 121 | 151 | 71 |
| 992 | Fluorescence spectroscopy | 6 | 121 | 182 | 229 |
| 992 | hazard mitigation | 9 | 121 | 446 | 865 |
| 992 | Carbon | 1 | 121 | 2396 | 1718 |
| 992 | Population | 26 | 121 | 243 | 955 |
| 997 | Bipolar Disorder | 6 | 120 | 287 | 480 |
| 997 | Turbulence | 1 | 120 | 500 | 162 |
| 997 | Communication Disorders | 4 | 120 | 298 | 229 |
| 1000 | Traffic Engineering | 3 | 119 | 451 | 428 |