| 1 | Physics | 2,919 | 189.2K | 112 | 157 |
| 2 | Chemistry | 3,101 | 158.1K | 77 | 129 |
| 3 | Biology | 1,571 | 134.4K | 178 | 191 |
| 4 | Science | 1,415 | 122.3K | 207 | 203 |
| 5 | Biochemistry | 1,983 | 85.2K | 157 | 163 |
| 6 | Molecular Biology | 1,128 | 68.2K | 193 | 199 |
| 7 | Natural history | 168 | 54.3K | 274 | 217 |
| 8 | Medicine | 1,101 | 49.8K | 268 | 281 |
| 9 | Solid State Physics | 1,419 | 47.3K | 45 | 64 |
| 10 | Condensed Matter | 1,274 | 46.6K | 48 | 72 |
| 11 | Microbiology | 650 | 43.4K | 233 | 205 |
| 12 | Neurology | 730 | 42.0K | 212 | 205 |
| 13 | Ecology | 553 | 35.4K | 251 | 241 |
| 14 | Research | 975 | 33.9K | 217 | 237 |
| 15 | Cytology | 348 | 28.9K | 257 | 218 |
| 16 | Cell Biology | 289 | 26.7K | 265 | 227 |
| 17 | Botany | 714 | 25.8K | 67 | 129 |
| 18 | Biophysics | 676 | 24.6K | 175 | 167 |
| 19 | Geophysics | 646 | 24.3K | 111 | 128 |
| 20 | Virology | 325 | 24.3K | 132 | 161 |
| 21 | Nanotechnology | 339 | 24.0K | 306 | 226 |
| 22 | Nuclear Physics | 880 | 22.4K | 254 | 339 |
| 23 | Pollution | 221 | 21.6K | 420 | 230 |
| 24 | Statistical physics | 563 | 19.1K | 99 | 93 |
| 25 | Psychophysiology | 271 | 17.9K | 179 | 130 |
| 26 | Biotechnology | 205 | 17.5K | 484 | 296 |
| 27 | Animal Behavior | 212 | 16.8K | 109 | 51 |
| 28 | Psychiatry | 337 | 16.8K | 216 | 216 |
| 29 | Psychology | 344 | 16.6K | 276 | 216 |
| 30 | Pharmacology | 588 | 16.4K | 179 | 246 |
| 31 | Neurophysiology | 250 | 16.1K | 186 | 169 |
| 32 | Environment | 196 | 15.5K | 399 | 357 |
| 33 | Immunology | 313 | 14.5K | 179 | 222 |
| 34 | Geology | 343 | 13.9K | 144 | 149 |
| 35 | Physiology | 330 | 13.4K | 221 | 228 |
| 36 | Bioengineering | 147 | 13.2K | 375 | 240 |
| 37 | Materials | 222 | 12.7K | 676 | 516 |
| 38 | Environmental Health | 150 | 12.3K | 526 | 300 |
| 39 | Human genetics | 108 | 12.3K | 235 | 336 |
| 40 | Pharmaceutical Chemistry | 334 | 11.1K | 119 | 164 |
| 41 | Astronomy | 250 | 11.1K | 357 | 397 |
| 42 | drugs | 339 | 10.4K | 12 | 15 |
| 43 | Neuropsychology | 178 | 10.4K | 117 | 76 |
| 44 | Genetics | 166 | 10.0K | 309 | 328 |
| 45 | Toxicology | 304 | 10.0K | 189 | 236 |
| 46 | Catalysis | 256 | 9.9K | 306 | 354 |
| 47 | nucleic acids | 118 | 9.9K | 129 | 146 |
| 48 | Geochemistry | 221 | 9.3K | 128 | 153 |
| 49 | Ethology | 115 | 9.3K | 147 | 104 |
| 50 | Physical Chemistry | 245 | 9.2K | 48 | 90 |
| 51 | Environmental Engineering | 68 | 9.2K | 543 | 229 |
| 52 | Plant cells | 61 | 9.0K | 182 | 139 |
| 53 | nanoscience | 94 | 8.9K | 357 | 209 |
| 54 | Polymers | 281 | 8.9K | 359 | 349 |
| 55 | Meteorology | 183 | 8.8K | 164 | 173 |
| 56 | Earth Sciences | 203 | 8.7K | 156 | 175 |
| 57 | Economics | 306 | 8.6K | 241 | 236 |
| 58 | Biodiversity conservation | 64 | 8.6K | 214 | 148 |
| 59 | Biocompatible Materials | 166 | 8.5K | 381 | 394 |
| 60 | sanitation | 43 | 8.4K | 294 | 141 |
| 61 | Brain | 158 | 8.1K | 257 | 215 |
| 62 | Parasitology | 197 | 8.1K | 60 | 31 |
| 63 | Bioorganic chemistry | 166 | 8.0K | 133 | 99 |
| 64 | miniaturization | 83 | 7.8K | 184 | 137 |
| 65 | Planets | 192 | 7.8K | 123 | 145 |
| 66 | Mathematical Physics | 271 | 7.8K | 133 | 170 |
| 67 | Public Health | 236 | 7.7K | 377 | 406 |
| 68 | Materials Science | 152 | 7.7K | 521 | 450 |
| 69 | Cognitive neuroscience | 90 | 7.6K | 78 | 79 |
| 70 | Climate change | 42 | 7.5K | 145 | 125 |
| 70 | Eutrophication | 42 | 7.5K | 141 | 124 |
| 72 | Bacteriology | 125 | 7.5K | 147 | 148 |
| 73 | Organic Chemistry | 182 | 7.5K | 205 | 148 |
| 74 | Parasitic Diseases | 143 | 7.4K | 57 | 36 |
| 75 | Behavior | 112 | 7.3K | 366 | 309 |
| 76 | Microbial Ecology | 125 | 7.3K | 166 | 223 |
| 77 | biological evolution | 117 | 7.2K | 191 | 217 |
| 78 | human behavior | 92 | 7.2K | 280 | 224 |
| 79 | Pharmacy | 275 | 7.1K | 47 | 63 |
| 80 | Microelectronics | 70 | 7.1K | 239 | 135 |
| 81 | Comparative Physiology | 88 | 7.0K | 42 | 9 |
| 82 | Endocrinology | 134 | 6.9K | 325 | 337 |
| 83 | Molecular structure | 73 | 6.9K | 250 | 95 |
| 84 | management | 74 | 6.8K | 550 | 354 |
| 85 | Immunity | 93 | 6.8K | 195 | 263 |
| 86 | Europe | 305 | 6.6K | 94 | 110 |
| 87 | Neurons | 33 | 6.6K | 121 | 128 |
| 88 | Chemical Engineering | 63 | 6.6K | 1095 | 553 |
| 89 | Biopharmaceutics | 108 | 6.5K | 15 | 11 |
| 90 | Drug delivery systems | 40 | 6.5K | 204 | 54 |
| 91 | Environmental Chemistry | 66 | 6.4K | 183 | 166 |
| 92 | Hematology | 71 | 6.4K | 470 | 277 |
| 93 | Plants | 87 | 6.3K | 207 | 180 |
| 94 | Mental Disorders | 127 | 6.3K | 256 | 267 |
| 95 | Meteorites | 119 | 6.3K | 78 | 107 |
| 96 | Social Psychology | 113 | 6.3K | 240 | 221 |
| 97 | Neurobiology | 94 | 6.1K | 189 | 178 |
| 98 | Surface Chemistry | 172 | 6.1K | 357 | 355 |
| 99 | Cancer | 176 | 6.0K | 273 | 376 |
| 100 | Cognitive Science | 67 | 5.9K | 120 | 89 |
| 101 | Metabolism | 111 | 5.9K | 322 | 331 |
| 102 | Mathematics | 523 | 5.9K | 315 | 395 |
| 103 | polymerization | 171 | 5.6K | 428 | 392 |
| 104 | Medical genetics | 93 | 5.6K | 358 | 347 |
| 105 | Medical Microbiology | 134 | 5.5K | 150 | 229 |
| 106 | Nanostructured Materials | 218 | 5.5K | 179 | 313 |
| 107 | Evolution | 87 | 5.5K | 220 | 223 |
| 108 | Biodiversity | 90 | 5.4K | 173 | 145 |
| 109 | Computational Biology | 142 | 5.4K | 149 | 216 |
| 110 | Semantic web | 12 | 5.4K | 15 | 1 |
| 111 | Atmospheric Physics | 132 | 5.3K | 152 | 180 |
| 112 | Molecular Microbiology | 38 | 5.3K | 160 | 78 |
| 112 | personality | 60 | 5.3K | 231 | 158 |
| 114 | Colloids | 133 | 5.2K | 468 | 458 |
| 115 | Climatology | 117 | 5.2K | 149 | 165 |
| 116 | Psychopharmacology | 78 | 5.1K | 158 | 147 |
| 117 | Developmental Biology | 97 | 5.1K | 226 | 257 |
| 118 | Sociology | 234 | 5.1K | 139 | 242 |
| 119 | Nervous system | 103 | 5.1K | 254 | 261 |
| 120 | Surgery | 33 | 4.8K | 375 | 258 |
| 121 | Pathology | 127 | 4.7K | 201 | 232 |
| 122 | environmental pollution | 100 | 4.7K | 562 | 533 |
| 123 | Spectrum analysis | 178 | 4.7K | 456 | 673 |
| 124 | Clinical Chemistry | 131 | 4.7K | 224 | 247 |
| 125 | Biochemical Engineering | 27 | 4.7K | 1103 | 541 |
| 126 | Solid State Chemistry | 248 | 4.5K | 61 | 102 |
| 127 | soil microbiology | 52 | 4.4K | 208 | 164 |
| 128 | viruses | 118 | 4.4K | 121 | 188 |
| 129 | Histology | 102 | 4.3K | 141 | 134 |
| 130 | Nonlinear Dynamics | 131 | 4.3K | 199 | 188 |
| 131 | behavioral medicine | 81 | 4.2K | 97 | 116 |
| 132 | Molecules | 211 | 4.2K | 21 | 75 |
| 133 | plant molecular biology | 50 | 4.2K | 261 | 245 |
| 134 | Metabolic diseases | 81 | 4.2K | 305 | 340 |
| 135 | Astrophysics | 152 | 4.2K | 511 | 750 |
| 136 | Optics | 179 | 4.2K | 484 | 441 |
| 137 | Energy Conversion | 21 | 4.2K | 395 | 189 |
| 138 | Public opinion | 44 | 4.2K | 17 | 7 |
| 138 | Leukemia | 25 | 4.2K | 266 | 119 |
| 140 | cell membrane | 67 | 4.2K | 46 | 34 |
| 141 | Plant physiology | 61 | 4.1K | 339 | 276 |
| 142 | Bioenergetics | 63 | 4.0K | 59 | 44 |
| 143 | Energy metabolism | 61 | 4.0K | 53 | 38 |
| 144 | Bioinformatics | 91 | 3.9K | 174 | 216 |
| 145 | United Kingdom | 81 | 3.9K | 155 | 143 |
| 146 | Hydrology | 77 | 3.8K | 289 | 233 |
| 147 | Mental illness | 78 | 3.8K | 220 | 255 |
| 148 | Anatomy | 108 | 3.8K | 189 | 220 |
| 149 | Memory | 97 | 3.8K | 189 | 193 |
| 150 | Medical Laboratory Science | 44 | 3.7K | 341 | 203 |
| 151 | Atmospheric Chemistry | 81 | 3.6K | 127 | 169 |
| 152 | rehabilitation | 41 | 3.6K | 400 | 187 |
| 153 | Statistics | 184 | 3.6K | 168 | 239 |
| 154 | infection | 100 | 3.5K | 85 | 123 |
| 155 | Social behavior | 55 | 3.5K | 149 | 112 |
| 156 | Business | 68 | 3.5K | 262 | 331 |
| 157 | arthritis | 73 | 3.5K | 140 | 167 |
| 158 | Entomology | 79 | 3.4K | 275 | 134 |
| 159 | Genomics | 86 | 3.4K | 371 | 356 |
| 160 | Electrochemistry | 162 | 3.4K | 505 | 529 |
| 161 | Infections | 94 | 3.4K | 43 | 97 |
| 162 | Cognition | 104 | 3.4K | 187 | 244 |
| 163 | Biomedical Engineering | 103 | 3.4K | 706 | 690 |
| 164 | Magnetic Resonance Spectroscopy | 168 | 3.4K | 26 | 58 |
| 165 | Aging | 106 | 3.4K | 296 | 301 |
| 166 | nuclear magnetic resonance | 155 | 3.3K | 34 | 59 |
| 167 | Animal ecology | 45 | 3.3K | 204 | 112 |
| 168 | Mineralogy | 104 | 3.3K | 118 | 164 |
| 169 | Host-parasite interactions | 55 | 3.3K | 145 | 207 |
| 170 | Political Science | 134 | 3.3K | 140 | 154 |
| 171 | Cell differentiation | 46 | 3.3K | 306 | 309 |
| 172 | Allergy | 62 | 3.3K | 136 | 224 |
| 173 | Quantum theory | 68 | 3.3K | 70 | 34 |
| 174 | Pharmaceutical Technology | 129 | 3.3K | 23 | 71 |
| 175 | Bacterial infections | 58 | 3.2K | 39 | 92 |
| 176 | Environmental Policy | 73 | 3.2K | 427 | 477 |
| 177 | Paleoecology | 70 | 3.2K | 77 | 62 |
| 178 | Rheumatology | 27 | 3.2K | 260 | 141 |
| 179 | Economic History | 182 | 3.2K | 160 | 239 |
| 180 | Embryology | 76 | 3.1K | 199 | 255 |
| 181 | Parasites | 78 | 3.1K | 90 | 75 |
| 182 | Nanostructures | 51 | 3.1K | 214 | 217 |
| 183 | Education | 181 | 3.1K | 294 | 373 |
| 184 | Bioinorganic chemistry | 130 | 3.0K | 38 | 61 |
| 185 | genome | 61 | 3.0K | 162 | 275 |
| 186 | Zoology | 75 | 3.0K | 343 | 224 |
| 187 | Plant diseases | 34 | 3.0K | 470 | 170 |
| 188 | Paleontology | 165 | 3.0K | 43 | 74 |
| 189 | organization | 29 | 3.0K | 151 | 148 |
| 190 | Paleoclimatology | 71 | 3.0K | 97 | 99 |
| 191 | Analytical Chemistry | 115 | 3.0K | 654 | 780 |
| 192 | Quantum Gravity | 105 | 2.9K | 486 | 509 |
| 193 | Environmental monitoring | 77 | 2.9K | 502 | 599 |
| 194 | Crystallography | 140 | 2.9K | 47 | 73 |
| 195 | Virulence | 53 | 2.9K | 141 | 196 |
| 196 | Mycology | 34 | 2.9K | 349 | 154 |
| 197 | Chemical Ecology | 51 | 2.8K | 30 | 22 |
| 198 | Plant Ecology | 73 | 2.8K | 201 | 269 |
| 199 | Paleogeography | 61 | 2.8K | 72 | 70 |
| 200 | Petrology | 78 | 2.8K | 117 | 169 |
| 201 | Optical materials | 55 | 2.8K | 511 | 448 |
| 202 | Organometallic compounds | 86 | 2.8K | 56 | 81 |
| 203 | Geriatrics | 104 | 2.7K | 335 | 348 |
| 203 | gene therapy | 32 | 2.7K | 188 | 112 |
| 205 | Nutrition | 89 | 2.7K | 578 | 669 |
| 206 | Social Sciences | 140 | 2.7K | 242 | 309 |
| 207 | Cardiovascular system | 35 | 2.7K | 336 | 350 |
| 208 | Health Policy | 86 | 2.7K | 242 | 223 |
| 209 | Critical Care | 49 | 2.7K | 248 | 302 |
| 209 | Critical Care Medicine | 49 | 2.7K | 253 | 304 |
| 211 | Obesity | 21 | 2.7K | 604 | 294 |
| 212 | disease vectors | 61 | 2.7K | 49 | 42 |
| 213 | Membranes | 69 | 2.7K | 240 | 293 |
| 214 | Perception | 72 | 2.7K | 266 | 249 |
| 215 | free radicals | 40 | 2.6K | 207 | 200 |
| 216 | marketing | 48 | 2.6K | 361 | 334 |
| 217 | Visual Perception | 79 | 2.6K | 190 | 188 |
| 218 | atmospheric models | 55 | 2.6K | 87 | 98 |
| 219 | Learning | 58 | 2.6K | 178 | 193 |
| 220 | Hypertension | 46 | 2.6K | 302 | 344 |
| 221 | plant communities | 32 | 2.6K | 225 | 169 |
| 222 | commerce | 61 | 2.5K | 89 | 179 |
| 223 | Industrial Microbiology | 11 | 2.5K | 909 | 214 |
| 224 | pheromones | 42 | 2.5K | 37 | 24 |
| 225 | Solar System | 72 | 2.5K | 98 | 101 |
| 226 | Neurochemistry | 72 | 2.5K | 393 | 430 |
| 227 | Cerebral cortex | 49 | 2.5K | 127 | 144 |
| 228 | Psycholinguistics | 39 | 2.5K | 169 | 132 |
| 229 | Growth | 41 | 2.5K | 227 | 263 |
| 230 | Fisheries | 20 | 2.5K | 526 | 158 |
| 231 | Animal Nutrition | 75 | 2.4K | 40 | 24 |
| 232 | Epidemiology | 98 | 2.4K | 445 | 543 |
| 233 | Geodynamics | 47 | 2.3K | 137 | 117 |
| 234 | Ethnology | 76 | 2.3K | 103 | 48 |
| 235 | Bacteria | 29 | 2.3K | 33 | 27 |
| 236 | Ophthalmology | 60 | 2.3K | 301 | 268 |
| 237 | Biomechanics | 22 | 2.3K | 363 | 183 |
| 238 | Educational Psychology | 99 | 2.3K | 128 | 219 |
| 239 | Geometry | 139 | 2.3K | 19 | 18 |
| 240 | Photonics | 31 | 2.2K | 555 | 382 |
| 241 | gene mapping | 46 | 2.2K | 307 | 316 |
| 242 | Organometallic chemistry | 117 | 2.2K | 56 | 74 |
| 243 | Molecular Genetics | 68 | 2.2K | 226 | 358 |
| 244 | Soil biology | 34 | 2.2K | 187 | 182 |
| 245 | Oxidation-reduction | 30 | 2.2K | 113 | 134 |
| 246 | Attention | 67 | 2.2K | 232 | 230 |
| 247 | drug therapy | 65 | 2.2K | 346 | 312 |
| 248 | Developing countries | 65 | 2.2K | 249 | 254 |
| 249 | Electrophoresis | 44 | 2.2K | 225 | 115 |
| 250 | Light | 42 | 2.1K | 117 | 242 |
| 251 | proteins | 80 | 2.1K | 196 | 278 |
| 252 | cell physiology | 23 | 2.1K | 440 | 304 |
| 253 | Research Design | 32 | 2.1K | 220 | 165 |
| 254 | Pharmacokinetics | 84 | 2.1K | 15 | 42 |
| 255 | Chromosome mapping | 42 | 2.1K | 281 | 261 |
| 256 | Geomagnetism | 69 | 2.1K | 56 | 57 |
| 256 | Nanoparticles | 55 | 2.1K | 222 | 243 |
| 258 | Child Development | 74 | 2.1K | 266 | 341 |
| 259 | language | 37 | 2.0K | 110 | 86 |
| 260 | Neurolinguistics | 24 | 2.0K | 66 | 38 |
| 261 | Cytogenetics | 33 | 2.0K | 277 | 298 |
| 262 | Technology | 92 | 2.0K | 506 | 595 |
| 262 | Communication | 74 | 2.0K | 245 | 323 |
| 264 | Therapeutics | 28 | 1.9K | 412 | 286 |
| 265 | Genetic engineering | 40 | 1.9K | 379 | 361 |
| 266 | Fungi | 26 | 1.9K | 243 | 156 |
| 267 | biological factors | 56 | 1.9K | 195 | 229 |
| 268 | Radiation | 35 | 1.9K | 466 | 183 |
| 269 | Tropical Medicine | 54 | 1.9K | 181 | 127 |
| 270 | Health | 59 | 1.9K | 285 | 289 |
| 271 | Marine Biology | 63 | 1.9K | 481 | 498 |
| 272 | Geomorphology | 57 | 1.9K | 166 | 237 |
| 273 | Liposomes | 24 | 1.9K | 74 | 57 |
| 274 | Genetic regulation | 27 | 1.9K | 227 | 208 |
| 275 | Physical Therapy | 8 | 1.9K | 704 | 181 |
| 276 | Lipid bilayers | 23 | 1.9K | 67 | 55 |
| 277 | Physical organic chemistry | 58 | 1.9K | 118 | 88 |
| 278 | Molecular evolution | 56 | 1.8K | 173 | 289 |
| 279 | Geography | 66 | 1.8K | 302 | 351 |
| 280 | United States | 94 | 1.8K | 700 | 838 |
| 281 | Speech Disorders | 20 | 1.8K | 337 | 144 |
| 281 | Speech | 20 | 1.8K | 269 | 109 |
| 283 | Environmental Microbiology | 44 | 1.8K | 160 | 278 |
| 284 | Computer Graphics | 36 | 1.8K | 371 | 238 |
| 285 | Diagnostic microbiology | 29 | 1.8K | 265 | 296 |
| 286 | Chromosomes | 56 | 1.8K | 69 | 96 |
| 287 | Discrete geometry | 84 | 1.8K | 4 | 9 |
| 288 | Environmental Management | 45 | 1.8K | 554 | 655 |
| 289 | Plant Taxonomy | 115 | 1.8K | 4 | 16 |
| 290 | Combinatorial analysis | 111 | 1.7K | 41 | 45 |
| 291 | Water pollution | 25 | 1.7K | 903 | 649 |
| 292 | Europa | 40 | 1.7K | 34 | 28 |
| 293 | Econometrics | 40 | 1.7K | 265 | 218 |
| 294 | Oxidative stress | 21 | 1.7K | 130 | 112 |
| 295 | Philosophy | 139 | 1.7K | 135 | 127 |
| 296 | Clinical Psychology | 31 | 1.7K | 319 | 297 |
| 297 | Photochemistry | 60 | 1.7K | 133 | 183 |
| 298 | Immunotherapy | 30 | 1.7K | 413 | 381 |
| 299 | Signal Transduction | 37 | 1.6K | 239 | 307 |
| 300 | Immune system | 22 | 1.6K | 244 | 321 |
| 301 | Water | 31 | 1.6K | 685 | 677 |
| 302 | Artificial Intelligence | 43 | 1.6K | 945 | 805 |
| 303 | Bones | 15 | 1.6K | 257 | 141 |
| 304 | Drug delivery devices | 4 | 1.6K | 161 | 3 |
| 305 | International Relations | 101 | 1.6K | 64 | 112 |
| 306 | Emotions | 40 | 1.6K | 70 | 118 |
| 307 | Soil Science | 36 | 1.6K | 386 | 320 |
| 308 | Diagnostic Imaging | 65 | 1.6K | 233 | 321 |
| 309 | nuclear magnetic resonance spectroscopy | 36 | 1.6K | 86 | 46 |
| 310 | Food | 31 | 1.5K | 857 | 677 |
| 311 | Phylogeny | 41 | 1.5K | 87 | 134 |
| 312 | protein | 59 | 1.5K | 112 | 200 |
| 313 | Asia | 49 | 1.5K | 353 | 197 |
| 314 | Medical innovations | 25 | 1.5K | 173 | 269 |
| 315 | natural disasters | 35 | 1.5K | 139 | 132 |
| 316 | Teratology | 25 | 1.5K | 34 | 27 |
| 316 | Energy Policy | 20 | 1.5K | 1011 | 724 |
| 318 | Germany | 217 | 1.5K | 4 | 4 |
| 319 | brain mapping | 41 | 1.5K | 76 | 136 |
| 320 | emergency management | 31 | 1.5K | 43 | 34 |
| 321 | Gene expression regulation | 22 | 1.4K | 206 | 179 |
| 322 | Genetic therapy | 28 | 1.4K | 223 | 185 |
| 322 | energy resources | 17 | 1.4K | 456 | 387 |
| 324 | Biogeochemistry | 35 | 1.4K | 241 | 304 |
| 325 | mutation | 44 | 1.4K | 31 | 65 |
| 326 | fuel cells | 16 | 1.4K | 477 | 340 |
| 327 | Green Chemistry | 27 | 1.4K | 505 | 497 |
| 328 | freshwater biology | 30 | 1.4K | 132 | 108 |
| 329 | biopolymers | 57 | 1.4K | 154 | 207 |
| 329 | Soil ecology | 19 | 1.4K | 187 | 105 |
| 331 | psychotherapy | 53 | 1.4K | 213 | 308 |
| 332 | Clinical Immunology | 41 | 1.4K | 174 | 176 |
| 333 | Agriculture | 28 | 1.4K | 512 | 381 |
| 334 | city planning | 27 | 1.3K | 414 | 243 |
| 335 | Biogeography | 23 | 1.3K | 279 | 272 |
| 336 | internet | 20 | 1.3K | 481 | 287 |
| 336 | Diabetes | 42 | 1.3K | 415 | 541 |
| 338 | ecosystem | 27 | 1.3K | 324 | 331 |
| 339 | Developmental Psychology | 63 | 1.3K | 124 | 260 |
| 340 | Journalism | 58 | 1.3K | 21 | 25 |
| 341 | Developmental Genetics | 17 | 1.3K | 143 | 169 |
| 342 | Diabetes mellitus | 40 | 1.3K | 393 | 524 |
| 343 | Labor Economics | 28 | 1.3K | 53 | 51 |
| 344 | Inflammation | 56 | 1.3K | 52 | 204 |
| 345 | Molecular cloning | 26 | 1.3K | 315 | 196 |
| 345 | Genetic recombination | 26 | 1.3K | 302 | 192 |
| 345 | Recombinant DNA | 26 | 1.3K | 342 | 217 |
| 348 | Transplantation | 41 | 1.3K | 196 | 273 |
| 349 | Latin America | 55 | 1.3K | 167 | 51 |
| 350 | Insects | 26 | 1.3K | 336 | 200 |
| 351 | drug resistance | 40 | 1.3K | 30 | 52 |
| 352 | animal diseases | 42 | 1.3K | 49 | 41 |
| 353 | Environmental Geology | 39 | 1.3K | 215 | 229 |
| 354 | Mass Spectrometry | 43 | 1.3K | 168 | 192 |
| 354 | viral genetics | 14 | 1.3K | 94 | 139 |
| 356 | Dynamics | 28 | 1.3K | 371 | 126 |
| 357 | preventive medicine | 55 | 1.3K | 149 | 261 |
| 358 | Electronics | 35 | 1.2K | 976 | 731 |
| 359 | Pediatric Neurology | 21 | 1.2K | 278 | 338 |
| 360 | Molecular ecology | 23 | 1.2K | 309 | 348 |
| 360 | Vision | 20 | 1.2K | 211 | 157 |
| 362 | Gerontology | 48 | 1.2K | 340 | 302 |
| 363 | Oncology | 36 | 1.2K | 434 | 868 |
| 363 | Regional Planning | 33 | 1.2K | 356 | 296 |
| 365 | Post-traumatic stress disorder | 45 | 1.2K | 81 | 151 |
| 366 | solar cells | 23 | 1.2K | 157 | 156 |
| 367 | Stem cells | 34 | 1.2K | 302 | 343 |
| 368 | Medical Anthropology | 38 | 1.2K | 230 | 324 |
| 369 | human development | 28 | 1.2K | 161 | 160 |
| 370 | Planetary Science | 47 | 1.2K | 53 | 52 |
| 371 | Child | 36 | 1.2K | 534 | 461 |
| 372 | Reproduction | 64 | 1.2K | 359 | 517 |
| 373 | Informatics | 33 | 1.2K | 77 | 107 |
| 374 | Economic Development | 31 | 1.1K | 334 | 382 |
| 375 | Oceanography | 52 | 1.1K | 341 | 488 |
| 376 | Histochemistry | 36 | 1.1K | 130 | 138 |
| 377 | Data Mining | 28 | 1.1K | 289 | 354 |
| 378 | Health Education | 25 | 1.1K | 533 | 336 |
| 379 | Medical Technology | 40 | 1.1K | 188 | 239 |
| 380 | Sustainable Development | 26 | 1.1K | 395 | 439 |
| 381 | Quantum Computing | 30 | 1.1K | 14 | 17 |
| 382 | biocatalysis | 6 | 1.1K | 75 | 117 |
| 382 | Homogeneous catalysis | 6 | 1.1K | 75 | 117 |
| 382 | Heterogeneous catalysis | 6 | 1.1K | 75 | 117 |
| 385 | Teaching | 27 | 1.1K | 458 | 297 |
| 386 | Breeding | 47 | 1.1K | 177 | 220 |
| 387 | Numerical Analysis | 34 | 1.1K | 626 | 363 |
| 388 | Biomass Energy | 7 | 1.1K | 1615 | 820 |
| 389 | Antarctica | 24 | 1.1K | 97 | 41 |
| 390 | Microscopy | 42 | 1.1K | 175 | 173 |
| 391 | Sustainable Engineering | 18 | 1.1K | 562 | 431 |
| 392 | Atomic spectroscopy | 68 | 1.1K | 63 | 167 |
| 393 | Surface properties | 23 | 1.1K | 215 | 187 |
| 394 | Molecular Pharmacology | 16 | 1.1K | 232 | 164 |
| 395 | Agricultural Ecology | 16 | 1.1K | 317 | 277 |
| 396 | Hormones | 35 | 1.1K | 255 | 318 |
| 397 | Statistical Mechanics | 28 | 1.1K | 130 | 93 |
| 398 | Oncogenes | 22 | 1.1K | 323 | 419 |
| 399 | Clinical Pharmacology | 37 | 1.1K | 216 | 229 |
| 400 | Information Theory | 22 | 1.1K | 441 | 306 |
| 401 | Electrochemical Analysis | 42 | 1.0K | 256 | 294 |
| 402 | Steroids | 24 | 1.0K | 232 | 161 |
| 403 | environmental protection | 50 | 1.0K | 630 | 1040 |
| 404 | Chemotherapy | 23 | 1.0K | 355 | 265 |
| 405 | Child psychology | 38 | 987 | 340 | 487 |
| 406 | Crystallization | 39 | 983 | 25 | 32 |
| 407 | Work | 6 | 975 | 197 | 33 |
| 408 | Computational Chemistry | 47 | 972 | 18 | 156 |
| 408 | Proteome | 30 | 972 | 207 | 313 |
| 410 | Quality of life | 36 | 968 | 206 | 322 |
| 411 | Urology | 34 | 965 | 379 | 395 |
| 412 | drug evaluation | 26 | 962 | 248 | 174 |
| 413 | Job satisfaction | 2 | 961 | 145 | 22 |
| 413 | job stress | 2 | 961 | 145 | 22 |
| 415 | Microorganisms | 17 | 958 | 294 | 322 |
| 416 | diseases | 2 | 953 | 396 | 311 |
| 416 | Disease | 2 | 953 | 375 | 310 |
| 418 | economic policy | 99 | 947 | 164 | 395 |
| 419 | Food Microbiology | 25 | 944 | 270 | 350 |
| 419 | Muscles | 25 | 944 | 175 | 203 |
| 421 | Linguistics | 70 | 938 | 165 | 257 |
| 421 | Environmental Toxicology | 26 | 938 | 658 | 738 |
| 423 | Differential Equations | 33 | 933 | 191 | 153 |
| 424 | mathematical analysis | 71 | 931 | 436 | 468 |
| 425 | Social Change | 18 | 927 | 253 | 291 |
| 425 | Antigens | 23 | 927 | 184 | 142 |
| 427 | Medical Physics | 19 | 921 | 569 | 480 |
| 428 | Sports Medicine | 26 | 919 | 785 | 643 |
| 429 | Biomolecules | 34 | 913 | 17 | 97 |
| 430 | Plant Morphology | 40 | 912 | 38 | 51 |
| 430 | Antibacterial agents | 24 | 912 | 76 | 93 |
| 432 | Drug design | 27 | 910 | 278 | 318 |
| 433 | cytokines | 10 | 902 | 535 | 278 |
| 434 | Biometrics | 46 | 898 | 175 | 238 |
| 435 | Animal breeding | 41 | 896 | 132 | 149 |
| 436 | Public Administration | 21 | 895 | 443 | 284 |
| 437 | Soft Condensed Matter | 45 | 894 | 192 | 278 |
| 438 | Spine | 13 | 892 | 252 | 176 |
| 439 | Social History | 35 | 871 | 38 | 19 |
| 440 | Engineering | 43 | 866 | 1009 | 998 |
| 440 | Photobiology | 22 | 866 | 270 | 226 |
| 442 | data collection | 21 | 865 | 203 | 279 |
| 443 | International Finance | 31 | 864 | 391 | 406 |
| 444 | Archaeology | 54 | 855 | 218 | 267 |
| 445 | Solar Energy | 19 | 852 | 536 | 500 |
| 446 | mycoses | 12 | 851 | 273 | 289 |
| 447 | Antibodies | 20 | 845 | 132 | 103 |
| 448 | Algebra | 55 | 841 | 231 | 158 |
| 449 | Corporate governance | 12 | 840 | 136 | 64 |
| 450 | Population Genetics | 21 | 835 | 384 | 428 |
| 451 | Cybernetics | 24 | 821 | 436 | 480 |
| 452 | Psychometrics | 29 | 818 | 82 | 133 |
| 453 | Neuroimmunology | 22 | 814 | 143 | 212 |
| 454 | Neurosurgery | 47 | 812 | 105 | 261 |
| 455 | Proteomics | 22 | 806 | 229 | 286 |
| 456 | Internet of Things | 5 | 803 | 841 | 333 |
| 457 | Autoimmunity | 19 | 799 | 196 | 228 |
| 458 | Alzheimer's disease | 38 | 798 | 309 | 292 |
| 458 | civil service | 14 | 798 | 103 | 74 |
| 460 | bioclimatology | 15 | 794 | 244 | 130 |
| 461 | Metallurgy | 28 | 793 | 655 | 628 |
| 462 | Organizational Behavior | 15 | 791 | 201 | 232 |
| 463 | solar power | 17 | 786 | 189 | 215 |
| 463 | Substance Abuse | 27 | 786 | 378 | 357 |
| 465 | Business Ethics | 6 | 782 | 688 | 466 |
| 466 | Dermatology | 26 | 781 | 497 | 456 |
| 467 | Lipids | 29 | 779 | 256 | 405 |
| 468 | Magnetic Materials | 18 | 778 | 588 | 405 |
| 469 | Sedimentary rocks | 11 | 777 | 245 | 122 |
| 470 | animals | 35 | 774 | 190 | 182 |
| 471 | drug development | 11 | 773 | 360 | 383 |
| 472 | Insect biochemistry | 18 | 766 | 103 | 101 |
| 473 | older people | 34 | 765 | 349 | 282 |
| 474 | Pediatrics | 24 | 755 | 662 | 750 |
| 474 | Carbon | 27 | 755 | 291 | 567 |
| 476 | food technology | 23 | 752 | 856 | 882 |
| 477 | Sarcopenia | 20 | 748 | 38 | 96 |
| 478 | X-ray crystallography | 53 | 746 | 32 | 62 |
| 479 | environmental exposure | 32 | 738 | 365 | 558 |
| 480 | Human Geography | 29 | 733 | 260 | 267 |
| 481 | European integration | 21 | 730 | 39 | 37 |
| 481 | European Economic Community | 21 | 730 | 39 | 37 |
| 483 | bees | 22 | 729 | 69 | 74 |
| 484 | Environmentalism | 10 | 725 | 31 | 29 |
| 485 | global environmental change | 23 | 721 | 151 | 287 |
| 486 | Psychoneuroimmunology | 18 | 719 | 141 | 211 |
| 486 | Diet | 16 | 719 | 739 | 785 |
| 488 | Ore deposits | 25 | 717 | 116 | 141 |
| 489 | Developmental Disabilities | 14 | 715 | 390 | 345 |
| 490 | Veterinary Immunology | 18 | 714 | 84 | 61 |
| 490 | Economic Assistance | 27 | 714 | 111 | 229 |
| 492 | Small Business | 9 | 713 | 370 | 374 |
| 493 | Cell death | 17 | 712 | 418 | 519 |
| 494 | behavior therapy | 16 | 710 | 306 | 277 |
| 495 | Algae | 22 | 707 | 203 | 221 |
| 496 | Community Psychiatry | 15 | 706 | 323 | 267 |
| 497 | Analytical Biochemistry | 22 | 704 | 452 | 432 |
| 498 | Leadership | 4 | 684 | 452 | 189 |
| 499 | feeding behavior | 16 | 682 | 226 | 220 |
| 500 | Wildlife conservation | 13 | 681 | 469 | 450 |
| 501 | Hydrogeology | 27 | 679 | 84 | 119 |
| 501 | Synaptic Transmission | 21 | 679 | 88 | 98 |
| 501 | Appetite | 15 | 679 | 189 | 187 |
| 504 | Wireless Communication Systems | 12 | 678 | 1231 | 737 |
| 505 | Pharmacognosy | 27 | 676 | 477 | 655 |
| 506 | Health Services Research | 36 | 675 | 306 | 399 |
| 506 | Morphology | 28 | 675 | 159 | 152 |
| 508 | China | 49 | 673 | 504 | 697 |
| 509 | individual differences | 18 | 670 | 41 | 64 |
| 510 | administrative agencies | 11 | 668 | 102 | 41 |
| 510 | Primates | 24 | 668 | 152 | 165 |
| 512 | Hemodynamics | 18 | 660 | 208 | 278 |
| 512 | catalytic activity | 20 | 660 | 147 | 186 |
| 514 | Obstetrics | 53 | 657 | 415 | 635 |
| 515 | Microcirculation | 15 | 654 | 120 | 85 |
| 515 | Anxiety | 16 | 654 | 157 | 230 |
| 517 | radiative transfer | 12 | 648 | 259 | 134 |
| 518 | Systems Biology | 41 | 634 | 227 | 441 |
| 518 | Signal Processing | 5 | 634 | 1914 | 979 |
| 518 | Quantum Optics | 35 | 634 | 129 | 185 |
| 521 | Japan | 20 | 632 | 484 | 302 |
| 522 | health behavior | 12 | 628 | 372 | 258 |
| 523 | Decision making | 12 | 618 | 608 | 429 |
| 524 | Emerging infectious diseases | 12 | 613 | 62 | 49 |
| 525 | Primary health care | 35 | 604 | 338 | 423 |
| 526 | Agricultural Chemistry | 15 | 602 | 911 | 811 |
| 527 | magnetic resonance | 23 | 600 | 55 | 38 |
| 528 | Social interaction | 3 | 598 | 344 | 76 |
| 529 | Radiology | 14 | 593 | 534 | 275 |
| 529 | Combinatorial chemistry | 7 | 593 | 416 | 281 |
| 529 | Culture | 20 | 593 | 308 | 178 |
| 532 | weather | 25 | 591 | 46 | 102 |
| 533 | NMR | 22 | 590 | 65 | 37 |
| 534 | Cognitive Therapy | 11 | 586 | 249 | 164 |
| 535 | alcoholism | 22 | 585 | 441 | 501 |
| 535 | violence | 13 | 585 | 415 | 341 |
| 537 | Democracy | 16 | 578 | 53 | 20 |
| 538 | Human-Computer Interaction | 19 | 577 | 430 | 453 |
| 538 | Urban Renewal | 6 | 577 | 35 | 8 |
| 540 | Lipid metabolism | 14 | 576 | 90 | 117 |
| 540 | Lipid | 14 | 576 | 90 | 118 |
| 542 | Respiration | 17 | 575 | 531 | 536 |
| 543 | Graph Theory | 53 | 574 | 60 | 92 |
| 544 | Cheminformatics | 15 | 573 | 30 | 115 |
| 545 | food contamination | 11 | 569 | 351 | 150 |
| 546 | Developmental Immunology | 18 | 568 | 116 | 160 |
| 547 | Plant Genetics | 10 | 558 | 308 | 318 |
| 547 | Social Movements | 46 | 558 | 2 | 5 |
| 547 | Liver diseases | 14 | 558 | 559 | 652 |
| 550 | Immunopharmacology | 12 | 554 | 411 | 287 |
| 551 | Fluid Mechanics | 3 | 552 | 1416 | 492 |
| 551 | Ethics | 20 | 552 | 233 | 165 |
| 553 | Anthropology | 86 | 551 | 172 | 395 |
| 554 | Algorithms | 10 | 547 | 312 | 111 |
| 555 | Conservation Biology | 19 | 544 | 327 | 430 |
| 556 | pain | 19 | 541 | 429 | 510 |
| 557 | Sports | 23 | 536 | 707 | 698 |
| 558 | Synchrotron Radiation | 21 | 535 | 63 | 52 |
| 558 | enzymes | 26 | 535 | 384 | 560 |
| 560 | Parenteral nutrition | 19 | 534 | 289 | 381 |
| 561 | world | 12 | 533 | 271 | 323 |
| 562 | pharmaceutical industry | 23 | 531 | 60 | 68 |
| 563 | curriculum evaluation | 14 | 530 | 84 | 53 |
| 563 | lasers | 25 | 530 | 676 | 642 |
| 565 | Schizophrenia | 15 | 526 | 382 | 417 |
| 566 | Immunopathology | 23 | 525 | 370 | 472 |
| 567 | Antioxidants | 10 | 524 | 332 | 394 |
| 568 | Earthquakes | 20 | 521 | 86 | 75 |
| 569 | System analysis | 23 | 518 | 768 | 829 |
| 569 | Astrocytes | 10 | 518 | 198 | 231 |
| 571 | medical education | 27 | 515 | 437 | 516 |
| 571 | Mites | 17 | 515 | 83 | 53 |
| 573 | Heart Failure | 5 | 514 | 246 | 168 |
| 574 | cryosphere | 8 | 511 | 199 | 156 |
| 574 | Sleep | 32 | 511 | 360 | 505 |
| 576 | Operations Research | 43 | 509 | 515 | 882 |
| 577 | Sleep Disorders | 31 | 503 | 367 | 506 |
| 578 | environmental indicators | 14 | 502 | 394 | 482 |
| 578 | Blood vessels | 9 | 502 | 144 | 70 |
| 580 | Acarology | 14 | 501 | 57 | 41 |
| 580 | Ticks | 14 | 501 | 55 | 41 |
| 580 | Acari | 14 | 501 | 55 | 41 |
| 583 | Diplomatic relations | 25 | 500 | 131 | 53 |
| 584 | Environmental Education | 5 | 498 | 234 | 80 |
| 584 | biological invasions | 10 | 498 | 232 | 178 |
| 586 | Online social networks | 13 | 496 | 48 | 30 |
| 587 | Project Management | 5 | 494 | 178 | 153 |
| 588 | Natural resources | 9 | 493 | 377 | 295 |
| 589 | Anxiety Disorders | 9 | 492 | 246 | 276 |
| 590 | Herbal medicine | 9 | 489 | 299 | 229 |
| 591 | Vocational guidance | 11 | 487 | 418 | 402 |
| 592 | Genetic variation | 10 | 486 | 20 | 12 |
| 593 | mental health promotion | 11 | 482 | 48 | 28 |
| 594 | Aquatic ecology | 9 | 481 | 478 | 264 |
| 595 | Information Technology | 37 | 476 | 418 | 932 |
| 595 | Energy Storage | 5 | 476 | 953 | 519 |
| 597 | innovation | 11 | 475 | 228 | 380 |
| 598 | Social policy | 26 | 472 | 215 | 254 |
| 599 | Chromatographic analysis | 33 | 471 | 382 | 537 |
| 600 | Biogeochemical cycles | 4 | 469 | 321 | 280 |
| 600 | peace | 20 | 469 | 118 | 176 |
| 600 | Development | 16 | 469 | 235 | 335 |
| 603 | Nuclear Medicine | 24 | 467 | 243 | 314 |
| 604 | Quality Control | 24 | 466 | 370 | 578 |
| 605 | Cytokine | 3 | 465 | 364 | 152 |
| 606 | Aggression | 5 | 464 | 349 | 193 |
| 607 | Growth factors | 4 | 463 | 177 | 118 |
| 608 | Infection control | 17 | 462 | 29 | 54 |
| 609 | Social problems | 21 | 461 | 136 | 247 |
| 610 | Atmospheric Science | 16 | 458 | 30 | 35 |
| 611 | Genetic translocation | 3 | 453 | 198 | 44 |
| 611 | plasmids | 3 | 453 | 198 | 44 |
| 613 | visualization | 46 | 452 | 247 | 319 |
| 614 | Quantum Communication | 9 | 451 | 67 | 67 |
| 614 | Neurotransmitters | 9 | 451 | 246 | 133 |
| 616 | industrial relations | 36 | 449 | 139 | 221 |
| 617 | Cosmochemistry | 20 | 448 | 242 | 378 |
| 617 | Environmental pollutants | 31 | 448 | 499 | 1034 |
| 617 | environmental issues | 10 | 448 | 122 | 101 |
| 620 | Parallel Processing | 3 | 447 | 441 | 200 |
| 621 | Information Science | 40 | 444 | 482 | 1142 |
| 622 | Psychosomatic Medicine | 13 | 442 | 286 | 316 |
| 623 | Randomized Controlled Trials | 28 | 441 | 191 | 219 |
| 624 | Logic | 22 | 440 | 85 | 71 |
| 624 | sedimentary basins | 7 | 440 | 98 | 67 |
| 626 | Systems Engineering | 6 | 437 | 1573 | 836 |
| 626 | Comparative Psychology | 4 | 437 | 99 | 60 |
| 626 | cloning | 6 | 437 | 374 | 336 |
| 629 | Contraception | 12 | 430 | 218 | 175 |
| 629 | computer networks | 23 | 430 | 824 | 1058 |
| 631 | Cognitive Psychology | 10 | 427 | 159 | 76 |
| 631 | Evolutionary Genetics | 12 | 427 | 154 | 147 |
| 631 | Molecular Epidemiology | 12 | 427 | 154 | 147 |
| 631 | Human Rights | 18 | 427 | 128 | 116 |
| 631 | Image Processing | 13 | 427 | 1092 | 1019 |
| 636 | Adolescent | 26 | 426 | 547 | 776 |
| 636 | Personality Assessment | 17 | 426 | 172 | 285 |
| 638 | indoor air pollution | 5 | 425 | 242 | 121 |
| 638 | Ventilation | 5 | 425 | 349 | 153 |
| 638 | Sick building syndrome | 5 | 425 | 242 | 121 |
| 641 | Solar power plants | 6 | 421 | 86 | 59 |
| 641 | Plant tissue culture | 13 | 421 | 216 | 215 |
| 641 | Photovoltaic Cells | 6 | 421 | 86 | 59 |
| 644 | Democratization | 9 | 420 | 22 | 20 |
| 645 | Risk Management | 11 | 419 | 234 | 198 |
| 646 | air quality management | 3 | 417 | 504 | 148 |
| 647 | Veterinary Pathology | 28 | 416 | 46 | 52 |
| 648 | Microbial Genetics | 3 | 414 | 327 | 143 |
| 649 | Metals | 20 | 413 | 740 | 880 |
| 650 | Bipolar Disorder | 5 | 412 | 217 | 153 |
| 651 | Minerals | 11 | 411 | 249 | 179 |
| 652 | Physical Geography | 2 | 409 | 627 | 140 |
| 652 | Medicinal plants | 10 | 409 | 659 | 676 |
| 652 | Medical Ethics | 12 | 409 | 498 | 272 |
| 655 | drug addiction | 15 | 408 | 419 | 511 |
| 655 | Plant cell culture | 10 | 408 | 240 | 221 |
| 657 | Reproductive toxicology | 18 | 407 | 54 | 136 |
| 657 | Molecular Spectroscopy | 19 | 407 | 644 | 694 |
| 659 | Animal welfare | 3 | 406 | 240 | 59 |
| 660 | Eastern Europe | 39 | 405 | 55 | 91 |
| 661 | Hydrodynamics | 13 | 404 | 232 | 254 |
| 661 | Cell metabolism | 5 | 404 | 432 | 505 |
| 663 | Automation | 5 | 402 | 1726 | 1123 |
| 664 | Economic Geography | 11 | 401 | 123 | 104 |
| 665 | Homeostasis | 3 | 398 | 351 | 484 |
| 666 | Political Sociology | 7 | 397 | 272 | 170 |
| 667 | social science | 9 | 393 | 49 | 80 |
| 668 | Psychiatric Epidemiology | 5 | 392 | 320 | 207 |
| 669 | Well-being | 25 | 391 | 3 | 20 |
| 670 | Vaccines | 19 | 389 | 539 | 693 |
| 671 | Orthopedics | 20 | 388 | 468 | 571 |
| 672 | Ethnic relations | 20 | 386 | 107 | 118 |
| 673 | Chromatography | 29 | 381 | 336 | 563 |
| 674 | pollutants | 17 | 378 | 643 | 984 |
| 675 | Criminology | 25 | 375 | 279 | 345 |
| 675 | food handling | 16 | 375 | 228 | 396 |
| 675 | mental processes | 18 | 375 | 76 | 88 |
| 678 | foreign exchange | 8 | 372 | 145 | 139 |
| 679 | Entropy | 16 | 371 | 304 | 230 |
| 680 | Environmental Economics | 8 | 370 | 136 | 101 |
| 681 | Africa | 28 | 369 | 312 | 349 |
| 682 | Invertebrates | 11 | 367 | 217 | 178 |
| 683 | Database Management | 7 | 366 | 493 | 339 |
| 684 | Liquid Crystals | 22 | 364 | 244 | 161 |
| 684 | phytopathogenic bacteria | 2 | 364 | 285 | 149 |
| 686 | international cooperation | 14 | 363 | 186 | 225 |
| 687 | Emergency Medical Services | 15 | 362 | 163 | 142 |
| 688 | race relations | 14 | 359 | 213 | 200 |
| 689 | Bryology | 29 | 358 | 16 | 42 |
| 689 | rivers | 6 | 358 | 161 | 86 |
| 691 | Engineering Mathematics | 12 | 355 | 880 | 636 |
| 692 | Seismology | 16 | 353 | 156 | 188 |
| 693 | Transportation | 12 | 352 | 769 | 775 |
| 694 | Information Systems | 16 | 349 | 434 | 544 |
| 694 | Artificial Organs | 21 | 349 | 147 | 174 |
| 696 | sustainability | 7 | 348 | 468 | 497 |
| 696 | population geography | 10 | 348 | 132 | 118 |
| 698 | Philosophy of Mind | 7 | 347 | 122 | 60 |
| 699 | Computer Science | 12 | 344 | 927 | 647 |
| 699 | Phenomenology | 8 | 344 | 88 | 19 |
| 699 | Animal genetics | 9 | 344 | 288 | 228 |
| 702 | Electron Microscopy | 9 | 342 | 171 | 89 |
| 702 | Mechanics | 16 | 342 | 472 | 432 |
| 702 | amino acids | 11 | 342 | 166 | 206 |
| 705 | Eating Disorders | 20 | 338 | 253 | 375 |
| 705 | Feeding and Eating Disorders | 20 | 338 | 237 | 360 |
| 707 | Surface-Active Agents | 10 | 336 | 495 | 581 |
| 707 | occupational diseases | 14 | 336 | 257 | 350 |
| 707 | European Union | 12 | 336 | 42 | 47 |
| 710 | Engineering Geology | 11 | 334 | 699 | 692 |
| 710 | Energy Harvesting | 1 | 334 | 656 | 366 |
| 712 | Retina | 2 | 333 | 184 | 201 |
| 712 | eye | 2 | 333 | 229 | 205 |
| 714 | landscapes | 3 | 332 | 166 | 36 |
| 715 | atmosphere | 24 | 331 | 140 | 323 |
| 716 | Oral Medicine | 12 | 330 | 288 | 166 |
| 717 | Transportation Engineering | 4 | 329 | 248 | 144 |
| 717 | Food Preservation | 5 | 329 | 609 | 165 |
| 719 | Ethnic Conflict | 11 | 328 | 84 | 96 |
| 719 | Molecular Imaging | 17 | 328 | 185 | 310 |
| 719 | forced migration | 11 | 328 | 84 | 96 |
| 722 | Medical Oncology | 16 | 326 | 581 | 813 |
| 723 | Geodesy | 14 | 322 | 188 | 236 |
| 723 | Parkinson's disease | 8 | 322 | 96 | 91 |
| 725 | Groundwater | 17 | 321 | 141 | 217 |
| 726 | body temperature | 6 | 320 | 292 | 119 |
| 727 | Educational Research | 3 | 318 | 62 | 3 |
| 728 | Land use | 10 | 317 | 552 | 557 |
| 728 | Bone diseases | 2 | 317 | 539 | 297 |
| 730 | Chemical structure | 7 | 315 | 223 | 71 |
| 731 | Genes | 11 | 314 | 478 | 451 |
| 732 | Neuroendocrinology | 5 | 313 | 58 | 116 |
| 733 | Food additives | 10 | 312 | 501 | 636 |
| 734 | complementary therapies | 27 | 311 | 280 | 674 |
| 735 | soil conservation | 8 | 310 | 367 | 341 |
| 736 | Seaweed | 7 | 309 | 341 | 315 |
| 737 | civil society | 40 | 307 | 1 | 2 |
| 738 | Animal | 8 | 305 | 46 | 25 |
| 739 | finance | 18 | 303 | 931 | 1091 |
| 740 | Birds | 11 | 301 | 574 | 430 |
| 741 | Clinical Biochemistry | 10 | 297 | 533 | 515 |
| 742 | Alternative Medicine | 24 | 296 | 285 | 677 |
| 743 | mammals | 12 | 295 | 413 | 413 |
| 744 | Fluid Dynamics | 11 | 294 | 532 | 527 |
| 744 | Communication in politics | 7 | 294 | 110 | 51 |
| 746 | Forecasting | 16 | 291 | 106 | 206 |
| 747 | Demography | 11 | 290 | 258 | 319 |
| 747 | Quantitative Research | 8 | 290 | 116 | 136 |
| 749 | Remote Sensing | 16 | 289 | 535 | 534 |
| 749 | Renewable Energy Sources | 5 | 289 | 2129 | 2070 |
| 749 | histological techniques | 14 | 289 | 235 | 417 |
| 749 | Islam | 19 | 289 | 59 | 52 |
| 753 | Paleobotany | 7 | 288 | 68 | 62 |
| 753 | Vegetation dynamics | 7 | 288 | 63 | 61 |
| 755 | Social participation | 37 | 287 | 1 | 1 |
| 756 | Classification | 4 | 285 | 194 | 109 |
| 757 | hazard mitigation | 10 | 284 | 357 | 411 |
| 757 | geological modeling | 11 | 284 | 156 | 177 |
| 759 | Functional Analysis | 21 | 283 | 462 | 573 |
| 759 | Thrombosis | 10 | 283 | 490 | 521 |
| 761 | Robotics | 5 | 282 | 1349 | 870 |
| 762 | Raman spectroscopy | 10 | 281 | 337 | 338 |
| 762 | Telecommunication | 16 | 281 | 1142 | 1336 |
| 764 | Elderly | 21 | 280 | 373 | 299 |
| 764 | sex differences | 5 | 280 | 49 | 48 |
| 766 | Random graphs | 22 | 279 | 30 | 52 |
| 767 | Dementia | 30 | 277 | 355 | 482 |
| 768 | Public Policy | 17 | 276 | 606 | 891 |
| 768 | consumer behavior | 7 | 276 | 290 | 321 |
| 770 | sexual behavior | 11 | 273 | 272 | 344 |
| 770 | Chronic diseases | 11 | 273 | 286 | 414 |
| 772 | Computer Vision | 8 | 272 | 674 | 719 |
| 772 | Biological Systems | 11 | 272 | 132 | 209 |
| 774 | Neuropharmacology | 8 | 271 | 302 | 289 |
| 774 | Zoonoses | 8 | 271 | 95 | 107 |
| 776 | Protozoa | 16 | 270 | 83 | 192 |
| 776 | police | 4 | 270 | 328 | 101 |
| 778 | Landscape Ecology | 7 | 267 | 253 | 271 |
| 778 | Collective behavior | 8 | 267 | 13 | 19 |
| 778 | Developmental Neurobiology | 9 | 267 | 198 | 191 |
| 778 | Plant breeding | 7 | 267 | 414 | 345 |
| 782 | Eurasia | 11 | 266 | 45 | 39 |
| 783 | Middle East | 50 | 265 | 70 | 262 |
| 784 | Biosensors | 7 | 264 | 799 | 1027 |
| 784 | exobiology | 8 | 264 | 121 | 198 |
| 784 | Jurisprudence | 31 | 264 | 187 | 379 |
| 787 | X-rays | 2 | 263 | 661 | 138 |
| 788 | Law | 26 | 262 | 310 | 319 |
| 788 | Soviet Union | 20 | 262 | 109 | 79 |
| 790 | Urban Policy | 10 | 260 | 369 | 442 |
| 791 | Radiobiology | 17 | 259 | 447 | 648 |
| 792 | Socialization | 5 | 257 | 392 | 360 |
| 792 | role | 5 | 257 | 324 | 308 |
| 794 | Immunochemistry | 11 | 256 | 390 | 431 |
| 795 | disarmament | 11 | 255 | 48 | 59 |
| 796 | Radiopharmaceuticals | 17 | 254 | 63 | 42 |
| 797 | Sites | 7 | 253 | 329 | 363 |
| 798 | epilepsy | 9 | 250 | 454 | 422 |
| 798 | disease outbreaks | 6 | 250 | 318 | 299 |
| 798 | Climate | 9 | 250 | 246 | 309 |
| 798 | Epidemics | 6 | 250 | 305 | 296 |
| 802 | Computer-Aided Design | 16 | 249 | 403 | 578 |
| 802 | gastrointestinal tract | 11 | 249 | 83 | 270 |
| 804 | Matroids | 22 | 248 | 44 | 97 |
| 805 | Music | 9 | 247 | 438 | 295 |
| 806 | synthesis | 23 | 246 | 183 | 314 |
| 807 | radioactive waste | 8 | 245 | 401 | 731 |
| 807 | industrial waste | 8 | 245 | 435 | 733 |
| 807 | Hazardous waste | 8 | 245 | 496 | 787 |
| 810 | Geopolitics | 19 | 244 | 22 | 80 |
| 811 | Ornithology | 9 | 240 | 523 | 411 |
| 811 | Paleoceanography | 2 | 240 | 208 | 163 |
| 811 | Educational evaluation | 6 | 240 | 87 | 48 |
| 814 | Animal health | 7 | 238 | 287 | 118 |
| 815 | Adolescent Psychology | 13 | 237 | 330 | 489 |
| 815 | Enteral nutrition | 9 | 237 | 375 | 522 |
| 817 | venom | 8 | 233 | 369 | 365 |
| 817 | Toxins | 8 | 233 | 414 | 408 |
| 819 | Socialism | 9 | 232 | 80 | 61 |
| 820 | Ecophysiology | 10 | 230 | 38 | 57 |
| 821 | Multivariate Analysis | 14 | 229 | 169 | 257 |
| 822 | Calculus of Variations | 11 | 228 | 233 | 204 |
| 822 | Digestive system diseases | 8 | 228 | 499 | 482 |
| 824 | Mobile Computing | 6 | 227 | 766 | 586 |
| 824 | Cosmology | 5 | 227 | 470 | 375 |
| 824 | Environmental Law | 12 | 227 | 442 | 950 |
| 824 | Marine Pollution | 5 | 227 | 914 | 870 |
| 828 | Group decision making | 9 | 226 | 210 | 226 |
| 829 | Neuroimaging | 14 | 225 | 72 | 114 |
| 830 | Autoantibodies | 11 | 224 | 203 | 372 |
| 830 | Autoimmune diseases | 11 | 224 | 231 | 407 |
| 832 | Health promotion | 17 | 223 | 364 | 563 |
| 833 | Educational Sociology | 14 | 222 | 79 | 126 |
| 833 | educational planning | 5 | 222 | 273 | 237 |
| 835 | water supply | 8 | 221 | 469 | 611 |
| 836 | cell interaction | 11 | 220 | 456 | 726 |
| 837 | Music Therapy | 4 | 219 | 160 | 45 |
| 837 | Crystal growth | 10 | 219 | 525 | 590 |
| 839 | Exercise | 10 | 218 | 751 | 752 |
| 839 | Fossils | 26 | 218 | 2 | 3 |
| 841 | adolescence | 14 | 216 | 370 | 566 |
| 841 | economic conditions | 6 | 216 | 331 | 323 |
| 843 | Microstructure | 5 | 214 | 669 | 275 |
| 844 | Chemical analysis | 10 | 213 | 547 | 704 |
| 844 | software | 14 | 213 | 345 | 723 |
| 846 | History | 144 | 212 | 67 | 174 |
| 846 | Pharmacogenetics | 12 | 212 | 344 | 563 |
| 848 | Marine Geology | 8 | 210 | 316 | 344 |
| 848 | natural products | 20 | 210 | 568 | 944 |
| 850 | motivation | 5 | 209 | 244 | 240 |
| 850 | Emotion | 5 | 209 | 141 | 174 |
| 850 | calcification | 5 | 209 | 346 | 322 |
| 853 | vascular diseases | 7 | 207 | 387 | 486 |
| 853 | children | 5 | 207 | 332 | 310 |
| 855 | Behavioral Genetics | 4 | 206 | 189 | 175 |
| 855 | taxation | 9 | 206 | 50 | 98 |
| 855 | tomography | 8 | 206 | 172 | 132 |
| 858 | Urban Economics | 2 | 205 | 445 | 258 |
| 858 | warfare | 5 | 205 | 192 | 203 |
| 860 | Industrial Policy | 5 | 204 | 356 | 288 |
| 861 | Semiconductors | 15 | 203 | 921 | 1062 |
| 861 | Hematopoietic stem cell transplantation | 6 | 203 | 232 | 284 |
| 861 | Positive Psychology | 3 | 203 | 146 | 151 |
| 864 | Bioelectronics | 4 | 202 | 948 | 1058 |
| 865 | Ecosystem management | 6 | 201 | 427 | 411 |
| 865 | Personality Disorders | 8 | 201 | 116 | 181 |
| 865 | rare diseases | 13 | 201 | 207 | 351 |
| 868 | Information Retrieval | 2 | 200 | 599 | 287 |
| 868 | Electromagnetism | 6 | 200 | 700 | 530 |
| 868 | Infertility | 4 | 200 | 622 | 628 |
| 868 | fertility | 4 | 200 | 693 | 673 |
| 872 | Systems Analysis | 10 | 199 | 527 | 591 |
| 872 | Environmental risk assessment | 5 | 199 | 234 | 166 |
| 872 | Autism | 4 | 199 | 544 | 481 |
| 875 | Sociolinguistics | 13 | 198 | 139 | 210 |
| 875 | Structural Equation Modeling | 12 | 198 | 30 | 98 |
| 877 | Humanities | 18 | 197 | 496 | 614 |
| 877 | labor | 14 | 197 | 60 | 170 |
| 877 | Consciousness | 16 | 197 | 117 | 283 |
| 880 | Mathematical Economics | 2 | 196 | 383 | 206 |
| 880 | Economic Integration | 20 | 196 | 5 | 10 |
| 880 | Neuromuscular diseases | 5 | 196 | 416 | 369 |
| 880 | Plastics | 9 | 196 | 936 | 933 |
| 880 | income | 12 | 196 | 23 | 81 |
| 880 | Input-output analysis | 12 | 196 | 44 | 124 |
| 880 | Wealth | 12 | 196 | 23 | 81 |
| 880 | Cerebellum | 3 | 196 | 251 | 157 |
| 880 | Cerebellar ataxia | 3 | 196 | 251 | 157 |
| 889 | Depression | 4 | 195 | 253 | 342 |
| 889 | bryophytes | 9 | 195 | 25 | 27 |
| 891 | Multimedia Systems | 4 | 193 | 1583 | 970 |
| 892 | Political Geography | 10 | 192 | 125 | 184 |
| 892 | Art Therapy | 1 | 192 | 392 | 48 |
| 892 | Dance therapy | 1 | 192 | 349 | 36 |
| 892 | Travel | 13 | 192 | 241 | 357 |
| 892 | psychopathology | 4 | 192 | 264 | 250 |
| 897 | Microbial Biotechnology | 6 | 191 | 629 | 610 |
| 898 | Organizational change | 6 | 190 | 456 | 420 |
| 898 | Luminescence | 27 | 190 | 270 | 703 |
| 898 | social conflict | 6 | 190 | 102 | 79 |
| 898 | Social work | 5 | 190 | 1032 | 658 |
| 902 | Traffic Engineering | 4 | 189 | 339 | 299 |
| 902 | Geothermal Energy | 4 | 189 | 185 | 111 |
| 902 | Tourism | 10 | 189 | 854 | 1315 |
| 902 | soil pollution | 6 | 189 | 284 | 268 |
| 902 | urban population | 1 | 189 | 385 | 209 |
| 907 | anesthesia | 11 | 188 | 166 | 133 |
| 908 | Social Stratification | 5 | 187 | 54 | 42 |
| 908 | Genetic disorders | 10 | 187 | 195 | 271 |
| 908 | Social mobility | 5 | 187 | 54 | 42 |
| 908 | social status | 5 | 187 | 54 | 42 |
| 908 | Occupational mobility | 5 | 187 | 54 | 42 |
| 913 | Probability | 5 | 186 | 415 | 341 |
| 914 | Community Psychology | 4 | 185 | 465 | 398 |
| 914 | Scandinavia | 12 | 185 | 196 | 315 |
| 916 | General Surgery | 27 | 184 | 166 | 255 |
| 917 | Economic Thought | 3 | 183 | 302 | 304 |
| 917 | Central Asia | 5 | 183 | 68 | 38 |
| 919 | Risk | 22 | 182 | 91 | 353 |
| 920 | Nonverbal Communication | 3 | 181 | 200 | 157 |
| 920 | Superconductors | 8 | 181 | 546 | 412 |
| 920 | Body language | 3 | 181 | 103 | 95 |
| 923 | Petroleum Geology | 6 | 180 | 354 | 356 |
| 924 | Bioremediation | 6 | 179 | 503 | 588 |
| 924 | scientific societies | 8 | 179 | 355 | 412 |
| 924 | RNA | 12 | 179 | 198 | 413 |
| 924 | Multiple sclerosis | 10 | 179 | 230 | 229 |
| 928 | Sovereignty | 9 | 177 | 20 | 61 |
| 928 | Public Choice | 6 | 177 | 210 | 207 |
| 928 | ethanol | 7 | 177 | 258 | 261 |
| 931 | Plant genetic engineering | 8 | 176 | 457 | 687 |
| 932 | Environmental Geochemistry | 4 | 175 | 430 | 244 |
| 933 | Mental Health | 10 | 172 | 771 | 919 |
| 933 | Technological Innovations | 14 | 172 | 311 | 713 |
| 933 | genocide | 4 | 172 | 46 | 2 |
| 933 | actuators | 4 | 172 | 1837 | 1680 |
| 933 | transducers | 4 | 172 | 1837 | 1680 |
| 938 | Financial management | 3 | 171 | 458 | 377 |
| 939 | Criminal psychology | 14 | 170 | 323 | 508 |
| 940 | Federal government | 8 | 169 | 53 | 43 |
| 940 | biomedicine | 5 | 169 | 316 | 369 |
| 940 | Aquaculture | 5 | 169 | 1096 | 949 |
| 943 | Politics | 2 | 168 | 595 | 290 |
| 943 | government | 2 | 168 | 646 | 333 |
| 945 | Orthopedic Surgery | 12 | 167 | 272 | 404 |
| 945 | Political Parties | 7 | 167 | 98 | 126 |
| 945 | locomotion | 4 | 167 | 533 | 439 |
| 945 | posture | 4 | 167 | 533 | 439 |
| 945 | gait | 4 | 167 | 533 | 439 |
| 945 | walking | 4 | 167 | 533 | 439 |
| 951 | Mathematics Education | 6 | 166 | 308 | 206 |
| 951 | Serology | 10 | 166 | 151 | 281 |
| 953 | Critical theory | 8 | 165 | 54 | 51 |
| 954 | Nursing | 7 | 164 | 1253 | 1005 |
| 954 | DNA polymerases | 3 | 164 | 354 | 518 |
| 956 | Neuropsychiatry | 6 | 163 | 504 | 535 |
| 956 | civil rights | 8 | 163 | 178 | 164 |
| 956 | mosses | 20 | 163 | 13 | 42 |
| 956 | liverworts | 20 | 163 | 13 | 42 |
| 960 | Angst | 7 | 162 | 2 | 21 |
| 960 | Strategic planning | 6 | 162 | 478 | 561 |
| 960 | fear | 7 | 162 | 1 | 10 |
| 963 | Respiratory system | 5 | 161 | 380 | 401 |
| 964 | Radiation Oncology | 10 | 160 | 123 | 209 |
| 964 | organizational effectiveness | 9 | 160 | 134 | 227 |
| 966 | Regional Economics | 4 | 159 | 396 | 280 |
| 966 | research and development | 3 | 159 | 309 | 266 |
| 966 | Methodology | 5 | 159 | 334 | 189 |
| 966 | working class | 4 | 159 | 136 | 180 |
| 970 | Experimental Psychology | 6 | 158 | 411 | 422 |
| 970 | Organizational Sociology | 3 | 158 | 359 | 247 |
| 970 | Evolutionary Psychology | 4 | 158 | 99 | 71 |
| 970 | Biochemical Genetics | 10 | 158 | 130 | 107 |
| 970 | Emergency Medicine | 10 | 158 | 630 | 671 |
| 970 | biobanks | 3 | 158 | 97 | 26 |
| 970 | Cytoskeleton | 9 | 158 | 112 | 203 |
| 970 | Heterocyclic compounds | 21 | 158 | 224 | 401 |
| 978 | War and Society | 3 | 157 | 208 | 190 |
| 979 | Mental Health Counseling | 22 | 156 | 19 | 28 |
| 980 | Magnetic Resonance Imaging | 9 | 155 | 187 | 259 |
| 980 | DNA repair | 4 | 155 | 208 | 199 |
| 980 | Egypt | 6 | 155 | 267 | 358 |
| 983 | Computer Architecture | 1 | 154 | 909 | 226 |
| 983 | Microprocessors | 1 | 154 | 1031 | 276 |
| 983 | nation-building | 7 | 154 | 5 | 5 |
| 986 | Kinetics | 6 | 153 | 285 | 245 |
| 986 | Mass Media | 16 | 153 | 224 | 280 |
| 988 | Early Childhood Education | 12 | 152 | 244 | 325 |
| 989 | Risk assessment | 3 | 151 | 624 | 305 |
| 989 | Mental Health Services | 9 | 151 | 591 | 749 |
| 989 | glycoproteins | 10 | 151 | 173 | 337 |
| 989 | Glycoconjugates | 10 | 151 | 173 | 337 |
| 989 | cross-cultural comparison | 7 | 151 | 255 | 280 |
| 989 | glycolipids | 10 | 151 | 173 | 337 |
| 995 | Nanochemistry | 11 | 150 | 490 | 823 |
| 996 | Agricultural Engineering | 4 | 148 | 361 | 317 |
| 996 | Cloud Computing | 1 | 148 | 646 | 238 |
| 996 | civilization | 42 | 148 | 133 | 179 |
| 999 | auditory perception | 3 | 147 | 401 | 335 |
| 999 | Freezing | 21 | 147 | 57 | 110 |