| 1 | Chemistry | 3,099 | 169.0K | 83 | 124 |
| 2 | Materials | 2,025 | 124.3K | 59 | 48 |
| 3 | Nanotechnology | 1,831 | 107.0K | 31 | 41 |
| 4 | Chemical Engineering | 1,380 | 67.0K | 20 | 29 |
| 5 | Materials Science | 1,071 | 62.9K | 65 | 53 |
| 6 | Molecular Biology | 1,599 | 58.1K | 125 | 238 |
| 7 | Physics | 1,446 | 57.2K | 302 | 462 |
| 8 | Catalysis | 896 | 53.0K | 41 | 39 |
| 9 | Biology | 966 | 51.1K | 308 | 434 |
| 10 | Optical materials | 683 | 50.2K | 22 | 13 |
| 11 | Biocompatible Materials | 873 | 50.0K | 37 | 45 |
| 12 | Science | 981 | 47.6K | 318 | 454 |
| 13 | Medicine | 1,553 | 45.3K | 191 | 344 |
| 14 | nanoscience | 692 | 43.3K | 23 | 34 |
| 15 | Biochemical Engineering | 793 | 41.9K | 24 | 41 |
| 16 | Nanostructured Materials | 837 | 38.1K | 18 | 28 |
| 17 | Biochemistry | 1,569 | 36.5K | 231 | 412 |
| 18 | Analytical Chemistry | 938 | 34.6K | 27 | 35 |
| 19 | Cancer | 723 | 27.7K | 46 | 93 |
| 20 | Composite Materials | 450 | 26.0K | 41 | 35 |
| 21 | Oncology | 366 | 23.8K | 30 | 46 |
| 22 | Biotechnology | 592 | 23.2K | 139 | 225 |
| 23 | Cell Biology | 631 | 22.2K | 106 | 267 |
| 24 | Cytology | 696 | 22.0K | 116 | 275 |
| 25 | Pharmacology | 897 | 19.9K | 97 | 195 |
| 26 | Colloids | 530 | 18.8K | 74 | 95 |
| 27 | Polymers | 826 | 18.8K | 96 | 177 |
| 28 | Surface Chemistry | 538 | 18.6K | 63 | 82 |
| 29 | Research | 836 | 18.1K | 260 | 438 |
| 30 | fuel cells | 195 | 17.3K | 26 | 22 |
| 31 | Biomedical Engineering | 483 | 16.2K | 115 | 133 |
| 32 | Bioengineering | 379 | 15.9K | 113 | 213 |
| 33 | Nanoparticles | 303 | 15.2K | 23 | 22 |
| 34 | polymerization | 638 | 15.1K | 87 | 156 |
| 35 | Environmental Health | 480 | 14.9K | 144 | 262 |
| 36 | Pollution | 464 | 14.8K | 163 | 355 |
| 37 | Magnetic Materials | 231 | 14.7K | 28 | 3 |
| 38 | Neurology | 476 | 14.5K | 329 | 465 |
| 39 | Building Materials | 334 | 13.0K | 25 | 38 |
| 40 | Environment | 288 | 12.7K | 270 | 453 |
| 41 | Electrochemistry | 390 | 12.4K | 186 | 132 |
| 42 | Green Chemistry | 274 | 12.3K | 14 | 35 |
| 43 | Signal Transduction | 143 | 11.9K | 26 | 21 |
| 44 | Ecology | 311 | 11.4K | 457 | 610 |
| 45 | Cell death | 246 | 11.2K | 19 | 69 |
| 46 | Nuclear Physics | 691 | 11.2K | 316 | 491 |
| 47 | Metals | 190 | 11.1K | 108 | 86 |
| 48 | Energy Conversion | 158 | 11.0K | 44 | 80 |
| 49 | Biophysics | 467 | 10.9K | 285 | 435 |
| 50 | Organic Chemistry | 388 | 10.8K | 38 | 91 |
| 51 | actuators | 248 | 10.7K | 38 | 31 |
| 51 | transducers | 248 | 10.7K | 38 | 31 |
| 53 | Renewable Energy Sources | 112 | 10.4K | 163 | 139 |
| 54 | environmental pollution | 321 | 10.2K | 145 | 237 |
| 55 | Industrial Engineering | 192 | 9.7K | 40 | 22 |
| 56 | Sustainable Engineering | 194 | 9.0K | 14 | 24 |
| 57 | Environmental monitoring | 256 | 8.9K | 82 | 165 |
| 58 | Physiology | 284 | 8.8K | 271 | 340 |
| 59 | Membranes | 145 | 8.8K | 98 | 78 |
| 60 | Carbon | 96 | 8.7K | 60 | 44 |
| 61 | Immunology | 239 | 8.2K | 236 | 355 |
| 62 | Pharmaceutical Chemistry | 327 | 8.0K | 131 | 241 |
| 63 | Bioorganic chemistry | 341 | 8.0K | 27 | 103 |
| 64 | Microbiology | 335 | 8.0K | 453 | 726 |
| 65 | Medical Oncology | 201 | 8.0K | 78 | 89 |
| 66 | miniaturization | 146 | 7.8K | 98 | 148 |
| 67 | Nutrition | 307 | 7.7K | 171 | 325 |
| 68 | Toxicology | 393 | 7.6K | 131 | 343 |
| 69 | Environmental Chemistry | 83 | 7.6K | 142 | 136 |
| 70 | Mathematics | 598 | 7.3K | 272 | 335 |
| 71 | Environmental Management | 204 | 7.2K | 54 | 119 |
| 72 | Microelectronics | 125 | 7.1K | 127 | 142 |
| 73 | Immunotherapy | 312 | 6.9K | 17 | 120 |
| 74 | Water | 132 | 6.9K | 186 | 232 |
| 75 | China | 366 | 6.7K | 67 | 75 |
| 76 | environmental protection | 256 | 6.5K | 49 | 176 |
| 77 | Artificial Intelligence | 197 | 6.4K | 186 | 245 |
| 78 | Engineering | 228 | 6.4K | 185 | 151 |
| 79 | Photonics | 158 | 6.1K | 135 | 173 |
| 80 | Biomass Energy | 127 | 6.0K | 123 | 170 |
| 81 | Biosensors | 91 | 6.0K | 56 | 44 |
| 82 | Energy Policy | 162 | 5.8K | 108 | 191 |
| 83 | Wireless Communication Systems | 147 | 5.6K | 174 | 155 |
| 84 | Virology | 129 | 5.6K | 311 | 478 |
| 85 | Environmental Policy | 137 | 5.4K | 195 | 296 |
| 86 | Environmental Engineering | 146 | 5.2K | 275 | 385 |
| 87 | Bioelectronics | 72 | 5.0K | 54 | 46 |
| 88 | Public Health | 242 | 4.9K | 382 | 566 |
| 89 | Clinical Chemistry | 198 | 4.8K | 133 | 245 |
| 90 | Crystal growth | 111 | 4.8K | 17 | 17 |
| 91 | Evolutionary Computation | 72 | 4.7K | 14 | 38 |
| 92 | Energy Storage | 123 | 4.7K | 35 | 58 |
| 93 | Human genetics | 47 | 4.7K | 421 | 568 |
| 94 | Natural history | 29 | 4.6K | 931 | 990 |
| 95 | cytokines | 231 | 4.6K | 15 | 24 |
| 96 | Environmental Toxicology | 209 | 4.6K | 33 | 155 |
| 97 | Spectrum analysis | 268 | 4.5K | 353 | 698 |
| 98 | Neurochemistry | 176 | 4.4K | 165 | 269 |
| 99 | energy conservation | 73 | 4.4K | 203 | 214 |
| 100 | Environmental pollutants | 199 | 4.4K | 26 | 98 |
| 101 | Medical genetics | 138 | 4.4K | 276 | 412 |
| 102 | Genetics | 170 | 4.2K | 312 | 571 |
| 103 | Optics | 217 | 4.2K | 430 | 441 |
| 104 | Ceramics | 92 | 4.1K | 97 | 68 |
| 105 | Egypt | 35 | 4.1K | 37 | 3 |
| 106 | Nanostructures | 133 | 4.0K | 47 | 173 |
| 107 | Psychiatry | 124 | 3.9K | 498 | 608 |
| 108 | energy development | 14 | 3.8K | 224 | 74 |
| 109 | free radicals | 68 | 3.8K | 105 | 137 |
| 110 | Water pollution | 107 | 3.8K | 251 | 345 |
| 111 | Signal Processing | 162 | 3.8K | 208 | 330 |
| 112 | Pharmaceutical Technology | 118 | 3.8K | 34 | 55 |
| 113 | Manufacturing Processes | 89 | 3.7K | 245 | 175 |
| 114 | Hematology | 89 | 3.7K | 413 | 394 |
| 115 | Metabolism | 117 | 3.7K | 315 | 466 |
| 116 | Immunopharmacology | 223 | 3.7K | 15 | 32 |
| 117 | cell physiology | 102 | 3.7K | 108 | 193 |
| 118 | Botany | 160 | 3.5K | 461 | 705 |
| 119 | Fuzzy systems | 48 | 3.4K | 142 | 17 |
| 120 | pollutants | 138 | 3.4K | 44 | 118 |
| 121 | biochemical markers | 70 | 3.3K | 6 | 1 |
| 122 | Cell differentiation | 74 | 3.3K | 214 | 317 |
| 123 | internet | 121 | 3.3K | 52 | 98 |
| 124 | Internet of Things | 118 | 3.3K | 48 | 86 |
| 125 | environmental exposure | 150 | 3.3K | 33 | 99 |
| 126 | Biomarkers | 62 | 3.3K | 3 | 1 |
| 127 | Metallurgy | 115 | 3.3K | 223 | 266 |
| 128 | Inflammation | 68 | 3.2K | 37 | 48 |
| 129 | catalytic activity | 93 | 3.2K | 8 | 20 |
| 130 | Quantum Gravity | 269 | 3.0K | 242 | 511 |
| 131 | Epidemiology | 138 | 3.0K | 339 | 471 |
| 132 | Oncogenes | 70 | 3.0K | 114 | 216 |
| 133 | Organometallic chemistry | 175 | 2.9K | 19 | 45 |
| 134 | Brain | 128 | 2.9K | 321 | 483 |
| 135 | Genetic engineering | 173 | 2.9K | 42 | 248 |
| 136 | Technology | 108 | 2.9K | 443 | 475 |
| 137 | Molecular Spectroscopy | 127 | 2.8K | 42 | 69 |
| 138 | Endocrinology | 87 | 2.8K | 446 | 574 |
| 139 | Ocean Engineering | 113 | 2.8K | 143 | 184 |
| 140 | Genetic algorithms | 36 | 2.8K | 20 | 50 |
| 141 | coal | 93 | 2.8K | 104 | 172 |
| 142 | Geriatrics | 68 | 2.7K | 447 | 358 |
| 143 | Metabolic diseases | 55 | 2.7K | 421 | 462 |
| 144 | Genomics | 180 | 2.7K | 158 | 442 |
| 145 | Physical organic chemistry | 138 | 2.7K | 14 | 45 |
| 146 | Ceramic materials | 115 | 2.7K | 46 | 74 |
| 147 | Structural Engineering | 125 | 2.6K | 129 | 185 |
| 148 | Liver diseases | 76 | 2.6K | 172 | 330 |
| 149 | Neurophysiology | 108 | 2.6K | 404 | 594 |
| 150 | Mathematical Physics | 184 | 2.6K | 233 | 382 |
| 151 | Developmental Biology | 48 | 2.6K | 393 | 410 |
| 152 | Aging | 63 | 2.5K | 455 | 390 |
| 153 | Electronics | 135 | 2.5K | 371 | 478 |
| 154 | Telecommunication | 96 | 2.5K | 310 | 402 |
| 155 | Solid State Physics | 173 | 2.5K | 565 | 750 |
| 156 | Solid State Chemistry | 149 | 2.5K | 176 | 245 |
| 157 | Neural circuitry | 89 | 2.5K | 115 | 187 |
| 158 | Critical Care | 53 | 2.5K | 247 | 326 |
| 159 | Image Processing | 129 | 2.5K | 148 | 348 |
| 160 | Physical Chemistry | 44 | 2.4K | 513 | 399 |
| 161 | Industrial Safety | 61 | 2.4K | 76 | 67 |
| 162 | Critical Care Medicine | 50 | 2.4K | 260 | 334 |
| 163 | Reproduction | 117 | 2.4K | 212 | 315 |
| 164 | Oxidative stress | 38 | 2.4K | 47 | 69 |
| 165 | mathematical analysis | 132 | 2.3K | 186 | 156 |
| 166 | Nervous system | 124 | 2.3K | 208 | 465 |
| 167 | Energy Harvesting | 28 | 2.3K | 70 | 84 |
| 168 | mass transfer | 70 | 2.3K | 185 | 222 |
| 169 | Cardiovascular system | 34 | 2.3K | 368 | 416 |
| 170 | Drug delivery systems | 97 | 2.3K | 46 | 191 |
| 171 | Information Science | 78 | 2.3K | 227 | 323 |
| 172 | Plants | 93 | 2.3K | 198 | 412 |
| 173 | Diet | 99 | 2.3K | 200 | 407 |
| 174 | Automation | 99 | 2.3K | 254 | 443 |
| 175 | Food | 79 | 2.2K | 368 | 511 |
| 176 | cell interaction | 112 | 2.2K | 13 | 54 |
| 177 | Systems Engineering | 113 | 2.2K | 109 | 195 |
| 178 | Pathology | 95 | 2.2K | 264 | 405 |
| 179 | Parasitology | 60 | 2.2K | 333 | 224 |
| 180 | Environmental Law | 44 | 2.2K | 131 | 203 |
| 181 | Statistical physics | 109 | 2.1K | 617 | 717 |
| 182 | Earthquake Engineering | 91 | 2.1K | 149 | 220 |
| 183 | Diabetes | 96 | 2.1K | 229 | 429 |
| 184 | Nanobiotechnology | 66 | 2.0K | 14 | 40 |
| 185 | Pediatrics | 65 | 2.0K | 350 | 436 |
| 186 | Condensed Matter | 122 | 2.0K | 619 | 796 |
| 187 | Heat Exchangers | 93 | 2.0K | 58 | 135 |
| 188 | Electrochemical Analysis | 81 | 2.0K | 110 | 154 |
| 189 | sanitation | 37 | 2.0K | 344 | 459 |
| 190 | drug evaluation | 86 | 1.9K | 30 | 55 |
| 191 | Swarm Intelligence | 36 | 1.9K | 10 | 15 |
| 192 | Solar Energy | 50 | 1.9K | 171 | 207 |
| 193 | lasers | 89 | 1.9K | 226 | 241 |
| 194 | Oxidation-reduction | 29 | 1.9K | 122 | 161 |
| 195 | Mental Disorders | 68 | 1.9K | 422 | 600 |
| 196 | Diagnostic Imaging | 118 | 1.9K | 116 | 288 |
| 196 | Tunneling | 59 | 1.9K | 26 | 40 |
| 196 | underground construction | 59 | 1.9K | 26 | 40 |
| 199 | Neuropsychology | 90 | 1.8K | 279 | 452 |
| 200 | Agricultural Chemistry | 85 | 1.8K | 242 | 394 |
| 201 | Bioinformatics | 65 | 1.7K | 270 | 418 |
| 202 | Diabetes mellitus | 79 | 1.7K | 242 | 463 |
| 203 | plant molecular biology | 86 | 1.7K | 166 | 455 |
| 204 | pigments | 96 | 1.7K | 16 | 41 |
| 205 | Plastics | 82 | 1.7K | 92 | 155 |
| 206 | Multimedia Systems | 63 | 1.7K | 148 | 142 |
| 207 | health planning | 101 | 1.7K | 104 | 190 |
| 208 | Organometallic compounds | 74 | 1.7K | 89 | 171 |
| 209 | Analytical Biochemistry | 92 | 1.7K | 60 | 200 |
| 210 | Fracture mechanics | 100 | 1.6K | 106 | 190 |
| 211 | nucleic acids | 44 | 1.6K | 377 | 516 |
| 211 | Stem cells | 122 | 1.6K | 75 | 299 |
| 213 | Water quality management | 108 | 1.6K | 75 | 177 |
| 214 | Surface-Active Agents | 53 | 1.6K | 52 | 101 |
| 214 | Surface properties | 53 | 1.6K | 54 | 109 |
| 216 | Nanochemistry | 87 | 1.6K | 20 | 36 |
| 217 | Psychoneuroimmunology | 19 | 1.6K | 135 | 113 |
| 217 | Neuroimmunology | 19 | 1.6K | 167 | 124 |
| 219 | Mechanical Engineering | 100 | 1.6K | 223 | 270 |
| 220 | Cell communication | 54 | 1.6K | 11 | 31 |
| 221 | Molecular structure | 78 | 1.6K | 235 | 419 |
| 222 | food technology | 67 | 1.6K | 354 | 494 |
| 223 | computer networks | 70 | 1.6K | 309 | 411 |
| 224 | Thermodynamics | 118 | 1.6K | 28 | 50 |
| 225 | Recombinant DNA | 104 | 1.6K | 39 | 187 |
| 226 | Hypertension | 49 | 1.5K | 322 | 519 |
| 227 | Immunity | 52 | 1.5K | 339 | 622 |
| 228 | Computational Biology | 51 | 1.5K | 431 | 544 |
| 229 | biomedicine | 8 | 1.5K | 197 | 20 |
| 230 | Sustainable Development | 37 | 1.5K | 274 | 358 |
| 231 | Mental illness | 37 | 1.5K | 409 | 507 |
| 232 | Genetic therapy | 67 | 1.4K | 91 | 192 |
| 233 | Drug design | 58 | 1.4K | 104 | 210 |
| 234 | Thermochemistry | 83 | 1.4K | 16 | 37 |
| 235 | Herbal medicine | 60 | 1.4K | 34 | 69 |
| 236 | Cell metabolism | 16 | 1.4K | 169 | 263 |
| 237 | gene mapping | 76 | 1.4K | 177 | 464 |
| 238 | Obstetrics | 85 | 1.4K | 303 | 439 |
| 238 | Chromosome mapping | 75 | 1.4K | 143 | 381 |
| 240 | carcinogens | 70 | 1.4K | 44 | 156 |
| 241 | Luminescence | 79 | 1.4K | 42 | 64 |
| 242 | Control Theory | 102 | 1.4K | 162 | 294 |
| 243 | Intelligent Transportation Systems | 42 | 1.3K | 144 | 206 |
| 244 | System analysis | 88 | 1.3K | 202 | 396 |
| 245 | Engineering Geology | 54 | 1.3K | 185 | 274 |
| 246 | Numerical Analysis | 118 | 1.3K | 122 | 318 |
| 247 | Chromatographic analysis | 112 | 1.3K | 71 | 197 |
| 248 | Chemical industry | 74 | 1.3K | 99 | 103 |
| 249 | Medicinal plants | 63 | 1.3K | 102 | 262 |
| 249 | Parasitic Diseases | 34 | 1.3K | 403 | 350 |
| 251 | environmental indicators | 37 | 1.3K | 100 | 140 |
| 252 | Parenteral nutrition | 32 | 1.3K | 187 | 234 |
| 253 | Homeostasis | 4 | 1.3K | 316 | 273 |
| 254 | Cardiovascular diseases | 84 | 1.3K | 167 | 330 |
| 255 | Orthopedics | 46 | 1.3K | 290 | 293 |
| 256 | Astronomy | 34 | 1.3K | 959 | 934 |
| 257 | Pharmacognosy | 57 | 1.2K | 227 | 407 |
| 258 | energy resources | 25 | 1.2K | 323 | 430 |
| 259 | Engineering Mathematics | 82 | 1.2K | 145 | 227 |
| 260 | concrete | 39 | 1.2K | 153 | 278 |
| 261 | Orthopedic Surgery | 42 | 1.2K | 90 | 93 |
| 262 | Psychology | 81 | 1.2K | 842 | 1,097 |
| 263 | Pharmacy | 55 | 1.2K | 321 | 421 |
| 264 | Semiconductors | 67 | 1.2K | 245 | 235 |
| 264 | drugs | 67 | 1.2K | 234 | 375 |
| 266 | Embryology | 55 | 1.2K | 274 | 451 |
| 267 | Molecular cloning | 86 | 1.2K | 43 | 212 |
| 267 | Zeolites | 44 | 1.2K | 77 | 149 |
| 269 | Electrophoresis | 85 | 1.2K | 85 | 251 |
| 270 | Genetic recombination | 85 | 1.2K | 43 | 211 |
| 271 | Soil Mechanics | 54 | 1.2K | 173 | 263 |
| 271 | Lipids | 46 | 1.2K | 167 | 315 |
| 273 | pain | 43 | 1.1K | 251 | 364 |
| 274 | Drug targeting | 37 | 1.1K | 7 | 16 |
| 275 | Rock Mechanics | 38 | 1.1K | 172 | 207 |
| 276 | vibration | 34 | 1.1K | 202 | 216 |
| 277 | Microbial Ecology | 19 | 1.1K | 806 | 786 |
| 277 | Digestive system diseases | 46 | 1.1K | 136 | 158 |
| 279 | Chromatography | 89 | 1.1K | 73 | 197 |
| 280 | particles | 31 | 1.1K | 120 | 77 |
| 281 | Immune system | 31 | 1.1K | 189 | 409 |
| 282 | Health Policy | 51 | 1.1K | 388 | 471 |
| 283 | Enteral nutrition | 24 | 1.1K | 175 | 204 |
| 284 | proteins | 52 | 1.1K | 329 | 473 |
| 285 | Electrical Engineering | 74 | 1.1K | 566 | 536 |
| 286 | Bioinorganic chemistry | 42 | 1.0K | 267 | 286 |
| 287 | Structural dynamics | 29 | 1.0K | 229 | 289 |
| 288 | Smart Materials | 37 | 1.0K | 117 | 146 |
| 289 | Histology | 43 | 1.0K | 365 | 487 |
| 290 | Neurobiology | 25 | 1.0K | 537 | 613 |
| 291 | Hormones | 44 | 1.0K | 203 | 332 |
| 292 | United States | 40 | 1.0K | 1,264 | 1,235 |
| 293 | Information Technology | 56 | 1.0K | 244 | 580 |
| 293 | Medical Microbiology | 49 | 1.0K | 419 | 726 |
| 295 | Cell cycle | 28 | 1.0K | 24 | 32 |
| 295 | cell proliferation | 28 | 1.0K | 29 | 33 |
| 295 | drug therapy | 48 | 1.0K | 439 | 559 |
| 298 | Electromagnetism | 38 | 1.0K | 164 | 171 |
| 299 | Parasites | 28 | 1.0K | 357 | 275 |
| 300 | Food additives | 26 | 979 | 212 | 266 |
| 301 | Social Sciences | 56 | 977 | 587 | 662 |
| 302 | Power Electronics | 32 | 975 | 241 | 337 |
| 303 | Steroids | 41 | 969 | 128 | 171 |
| 304 | Astrophysics | 60 | 962 | 880 | 1,158 |
| 305 | Technological Innovations | 26 | 957 | 136 | 140 |
| 306 | Ophthalmology | 80 | 954 | 238 | 498 |
| 307 | Telecommunication Systems | 64 | 935 | 117 | 200 |
| 308 | disease vectors | 23 | 931 | 203 | 158 |
| 309 | Computer Graphics | 68 | 928 | 208 | 410 |
| 310 | fertility | 22 | 925 | 277 | 297 |
| 311 | Clinical Pharmacology | 51 | 924 | 152 | 259 |
| 312 | Infertility | 19 | 922 | 282 | 282 |
| 313 | Plant physiology | 52 | 911 | 402 | 782 |
| 313 | Lightweight concrete | 19 | 911 | 94 | 153 |
| 313 | pottery | 48 | 911 | 143 | 249 |
| 316 | Meteorology | 40 | 908 | 514 | 747 |
| 316 | Respiration | 46 | 908 | 262 | 437 |
| 318 | Structural design | 26 | 907 | 140 | 140 |
| 319 | Cybernetics | 24 | 894 | 449 | 462 |
| 319 | Tropical Medicine | 31 | 894 | 361 | 301 |
| 321 | Mineral resources | 28 | 892 | 40 | 70 |
| 322 | Nonlinear functional analysis | 42 | 891 | 121 | 119 |
| 323 | Adolescent | 31 | 885 | 485 | 480 |
| 323 | Kidney diseases | 32 | 885 | 147 | 178 |
| 325 | Measurement | 46 | 882 | 153 | 200 |
| 326 | Chemical analysis | 40 | 876 | 98 | 195 |
| 327 | Glass | 47 | 875 | 146 | 261 |
| 328 | Therapeutics | 25 | 864 | 480 | 513 |
| 329 | Operations Research | 59 | 858 | 390 | 677 |
| 330 | hydrocolloids | 15 | 855 | 203 | 235 |
| 331 | Immunochemistry | 33 | 849 | 132 | 154 |
| 332 | Reproductive health | 40 | 837 | 74 | 131 |
| 333 | Proteomics | 28 | 832 | 176 | 281 |
| 334 | Hydrology | 67 | 821 | 342 | 735 |
| 335 | infection | 33 | 819 | 368 | 498 |
| 336 | management | 34 | 812 | 1,006 | 1,285 |
| 337 | Immunopathology | 40 | 792 | 239 | 377 |
| 338 | Clinical Biochemistry | 24 | 790 | 273 | 271 |
| 339 | Cytogenetics | 25 | 786 | 356 | 510 |
| 340 | soil microbiology | 13 | 781 | 647 | 627 |
| 341 | Metallography | 41 | 780 | 83 | 136 |
| 341 | Muscles | 23 | 780 | 201 | 240 |
| 343 | International Finance | 29 | 776 | 423 | 446 |
| 344 | Ethnology | 23 | 774 | 375 | 192 |
| 345 | Sociology | 35 | 772 | 729 | 811 |
| 346 | Plant genetic engineering | 18 | 767 | 267 | 286 |
| 347 | Systems Biology | 45 | 765 | 215 | 391 |
| 348 | preimplantation genetic diagnosis | 37 | 764 | 27 | 37 |
| 348 | embryo transfer | 37 | 764 | 29 | 43 |
| 350 | Obesity | 45 | 762 | 376 | 671 |
| 350 | atmosphere | 28 | 762 | 115 | 150 |
| 352 | Emerging infectious diseases | 24 | 758 | 27 | 38 |
| 353 | Sarcopenia | 18 | 750 | 43 | 104 |
| 354 | ovary | 40 | 748 | 6 | 11 |
| 355 | Medical Technology | 47 | 746 | 155 | 357 |
| 356 | hazard mitigation | 24 | 745 | 117 | 155 |
| 356 | finance | 28 | 745 | 712 | 710 |
| 358 | Clinical Immunology | 30 | 739 | 240 | 323 |
| 358 | multimedia | 25 | 739 | 105 | 132 |
| 358 | software | 18 | 739 | 257 | 247 |
| 358 | Interactive multimedia | 25 | 739 | 111 | 135 |
| 362 | Humanities | 51 | 735 | 101 | 151 |
| 363 | Production Engineering | 41 | 734 | 384 | 468 |
| 363 | carbon monoxide | 14 | 734 | 41 | 45 |
| 365 | Quantum electronics | 30 | 731 | 418 | 358 |
| 365 | Cytokine | 6 | 731 | 226 | 98 |
| 367 | sustainability | 16 | 728 | 242 | 296 |
| 368 | Carcinogenesis | 32 | 726 | 152 | 288 |
| 369 | Functional Analysis | 32 | 722 | 310 | 276 |
| 370 | Environmental Microbiology | 20 | 721 | 397 | 541 |
| 371 | Pharmacogenetics | 32 | 720 | 152 | 269 |
| 371 | gene therapy | 45 | 720 | 131 | 343 |
| 371 | Gerontology | 13 | 720 | 846 | 445 |
| 374 | Growth factors | 4 | 717 | 182 | 81 |
| 375 | Behavior | 33 | 715 | 860 | 1,285 |
| 376 | Geophysics | 44 | 713 | 956 | 1,263 |
| 376 | Industrial Microbiology | 33 | 713 | 382 | 717 |
| 378 | natural disasters | 23 | 710 | 255 | 309 |
| 379 | Fluorescence | 35 | 706 | 12 | 11 |
| 380 | Cellular senescence | 9 | 705 | 59 | 91 |
| 381 | Waste management | 63 | 703 | 74 | 245 |
| 382 | Plant Biotechnology | 16 | 702 | 206 | 183 |
| 383 | toxicity testing | 39 | 698 | 22 | 76 |
| 384 | Investment analysis | 43 | 696 | 42 | 139 |
| 385 | solar power | 15 | 684 | 219 | 248 |
| 385 | solar cells | 15 | 684 | 262 | 278 |
| 387 | Proteome | 25 | 680 | 271 | 419 |
| 388 | Microorganisms | 16 | 669 | 344 | 437 |
| 389 | Medical innovations | 26 | 664 | 179 | 485 |
| 390 | Health | 37 | 656 | 422 | 604 |
| 391 | Mobile Computing | 20 | 655 | 300 | 287 |
| 392 | Water Purification | 59 | 654 | 62 | 212 |
| 393 | Food Microbiology | 19 | 653 | 358 | 498 |
| 394 | viruses | 17 | 649 | 485 | 586 |
| 395 | Sleep | 41 | 646 | 308 | 448 |
| 396 | Socioeconomic Factors | 18 | 645 | 193 | 173 |
| 397 | Economic Development | 9 | 643 | 829 | 591 |
| 398 | Leukemia | 19 | 642 | 324 | 411 |
| 399 | clay | 19 | 640 | 166 | 231 |
| 399 | Asia | 45 | 640 | 397 | 525 |
| 401 | Cellulose | 27 | 639 | 69 | 139 |
| 402 | Sleep Disorders | 39 | 631 | 312 | 448 |
| 403 | Computer Science | 51 | 624 | 218 | 371 |
| 403 | Social Change | 16 | 624 | 301 | 440 |
| 405 | Psychophysiology | 20 | 623 | 1,062 | 1,126 |
| 406 | Psychopharmacology | 10 | 617 | 733 | 600 |
| 407 | genome | 31 | 612 | 322 | 695 |
| 408 | Respiratory system | 26 | 610 | 91 | 149 |
| 409 | Microscopy | 15 | 608 | 492 | 314 |
| 410 | Optoelectronic devices | 23 | 597 | 176 | 83 |
| 411 | Schizophrenia | 17 | 596 | 350 | 392 |
| 412 | Nursing | 52 | 592 | 259 | 414 |
| 413 | Detectors | 43 | 591 | 201 | 411 |
| 414 | Metallic Glasses | 36 | 589 | 40 | 99 |
| 415 | Pediatric Neurology | 14 | 583 | 368 | 486 |
| 416 | Child | 27 | 571 | 654 | 748 |
| 417 | Biomass | 8 | 567 | 288 | 204 |
| 418 | visualization | 37 | 559 | 300 | 271 |
| 418 | Neurons | 7 | 559 | 353 | 537 |
| 420 | biopolymers | 29 | 556 | 285 | 436 |
| 421 | Robotics | 45 | 535 | 302 | 598 |
| 422 | Differential Equations | 19 | 534 | 353 | 269 |
| 423 | Agriculture | 34 | 533 | 448 | 716 |
| 424 | biological factors | 29 | 531 | 436 | 666 |
| 425 | Granular materials | 14 | 526 | 135 | 104 |
| 426 | Transplantation | 11 | 516 | 462 | 443 |
| 427 | Soil dynamics | 23 | 514 | 96 | 149 |
| 428 | Educational Technology | 29 | 513 | 304 | 509 |
| 428 | Medical Physics | 39 | 513 | 382 | 640 |
| 430 | Tribology | 24 | 512 | 309 | 356 |
| 431 | histological techniques | 23 | 501 | 129 | 297 |
| 432 | Urology | 36 | 498 | 384 | 585 |
| 433 | Combustion | 28 | 497 | 320 | 456 |
| 434 | Europe | 31 | 496 | 852 | 983 |
| 435 | Breeding | 16 | 492 | 443 | 432 |
| 436 | Economics | 28 | 490 | 1,459 | 1,465 |
| 437 | arthritis | 25 | 485 | 336 | 558 |
| 438 | Pharmacokinetics | 18 | 481 | 188 | 285 |
| 438 | Genetic regulation | 15 | 481 | 378 | 508 |
| 438 | Hazardous waste | 20 | 481 | 187 | 475 |
| 441 | drug resistance | 24 | 480 | 71 | 195 |
| 441 | Scheduling | 23 | 480 | 5 | 17 |
| 441 | Production Scheduling | 23 | 480 | 5 | 17 |
| 444 | Medical Laboratory Science | 20 | 478 | 675 | 959 |
| 445 | Civil Engineering | 60 | 477 | 172 | 274 |
| 446 | commerce | 27 | 475 | 309 | 596 |
| 447 | brain mapping | 18 | 473 | 197 | 318 |
| 448 | Genes | 30 | 467 | 188 | 336 |
| 449 | Biopharmaceutics | 20 | 465 | 280 | 418 |
| 450 | biocatalysis | 2 | 461 | 225 | 208 |
| 450 | Homogeneous catalysis | 2 | 461 | 225 | 208 |
| 450 | Heterogeneous catalysis | 2 | 461 | 225 | 208 |
| 453 | synthesis | 43 | 458 | 77 | 138 |
| 454 | Nephrology | 6 | 451 | 307 | 234 |
| 454 | Molecular Pharmacology | 20 | 451 | 205 | 402 |
| 456 | Gastrointestinal diseases | 36 | 446 | 42 | 125 |
| 457 | Nonlinear systems | 26 | 443 | 94 | 154 |
| 458 | Quality of life | 20 | 442 | 388 | 598 |
| 458 | Allergy | 12 | 442 | 468 | 651 |
| 460 | child abuse | 11 | 441 | 365 | 370 |
| 461 | Cell division | 3 | 435 | 338 | 121 |
| 462 | rare diseases | 41 | 433 | 48 | 216 |
| 463 | radioactive waste | 15 | 430 | 201 | 475 |
| 463 | industrial waste | 15 | 430 | 222 | 475 |
| 465 | Catalysts | 23 | 428 | 101 | 181 |
| 466 | human behavior | 18 | 426 | 908 | 1,400 |
| 467 | Fluid Mechanics | 27 | 422 | 429 | 595 |
| 468 | impact | 11 | 419 | 116 | 132 |
| 469 | DNS | 20 | 418 | 61 | 112 |
| 470 | Vaccines | 28 | 414 | 413 | 679 |
| 471 | Transportation | 14 | 413 | 708 | 720 |
| 472 | Mass Spectrometry | 41 | 411 | 189 | 454 |
| 473 | Histochemistry | 24 | 407 | 255 | 364 |
| 473 | Photochemistry | 21 | 407 | 513 | 696 |
| 475 | Neurosurgery | 20 | 404 | 288 | 414 |
| 476 | Solitons | 40 | 399 | 104 | 390 |
| 476 | Fractals | 40 | 399 | 105 | 391 |
| 476 | Chaos | 40 | 399 | 104 | 390 |
| 479 | occupational diseases | 11 | 398 | 326 | 321 |
| 480 | Nuclear Medicine | 20 | 396 | 285 | 360 |
| 480 | Combinatorial chemistry | 6 | 396 | 477 | 386 |
| 482 | Adhesion | 16 | 392 | 133 | 141 |
| 482 | mutagens | 21 | 392 | 195 | 418 |
| 482 | adhesives | 16 | 392 | 146 | 142 |
| 485 | Combinatorial optimization | 29 | 390 | 26 | 35 |
| 486 | DNA | 19 | 389 | 92 | 142 |
| 487 | complementary therapies | 24 | 387 | 332 | 572 |
| 488 | Computer Vision | 25 | 386 | 282 | 596 |
| 489 | Alternative Medicine | 23 | 385 | 307 | 548 |
| 490 | Remote Sensing | 34 | 381 | 255 | 435 |
| 491 | Quantum theory | 20 | 380 | 335 | 363 |
| 492 | Photobiology | 18 | 379 | 356 | 526 |
| 493 | Fiber Optics | 16 | 374 | 352 | 348 |
| 494 | Eastern Europe | 22 | 372 | 140 | 106 |
| 495 | Antibacterial agents | 20 | 371 | 111 | 267 |
| 496 | Pesticides | 18 | 368 | 120 | 147 |
| 497 | Infections | 18 | 367 | 347 | 616 |
| 498 | Gene expression regulation | 14 | 366 | 340 | 435 |
| 499 | electric vehicles | 21 | 365 | 58 | 117 |
| 500 | air quality management | 24 | 362 | 39 | 164 |
| 500 | dietary supplements | 23 | 362 | 111 | 316 |
| 500 | anesthesia | 25 | 362 | 59 | 55 |
| 503 | Nondestructive testing | 13 | 361 | 221 | 207 |
| 503 | Oral Medicine | 25 | 361 | 115 | 154 |
| 505 | Economic History | 29 | 359 | 995 | 1,220 |
| 505 | bioluminescence | 27 | 359 | 17 | 24 |
| 507 | Primary health care | 26 | 358 | 418 | 647 |
| 508 | Decision making | 19 | 357 | 436 | 621 |
| 509 | Environmental Geology | 27 | 356 | 342 | 775 |
| 510 | Plant cells | 17 | 349 | 433 | 876 |
| 511 | Cognitive Science | 27 | 347 | 371 | 825 |
| 512 | gene transfer | 26 | 346 | 7 | 60 |
| 512 | genetic transformation | 26 | 346 | 7 | 60 |
| 514 | Surgery | 30 | 344 | 421 | 944 |
| 514 | healthcare disparities | 6 | 344 | 286 | 151 |
| 514 | Genetic testing | 26 | 344 | 13 | 17 |
| 514 | economic policy | 21 | 344 | 835 | 808 |
| 518 | Optical Communications | 13 | 342 | 296 | 248 |
| 519 | Recycling | 11 | 341 | 210 | 460 |
| 520 | Nuclear Chemistry | 9 | 338 | 581 | 311 |
| 520 | Radiochemistry | 9 | 338 | 509 | 262 |
| 520 | drug toxicity | 23 | 338 | 24 | 128 |
| 523 | Antioxidants | 7 | 337 | 430 | 504 |
| 524 | Geometry | 35 | 336 | 253 | 267 |
| 525 | Logistics | 5 | 335 | 406 | 287 |
| 525 | Plant diseases | 10 | 335 | 1,082 | 884 |
| 527 | Diagnosis | 23 | 333 | 48 | 94 |
| 528 | Sustainable agriculture | 24 | 332 | 107 | 291 |
| 528 | poverty | 5 | 332 | 239 | 98 |
| 528 | Evidence-Based Medicine | 20 | 332 | 139 | 224 |
| 528 | Raman spectroscopy | 11 | 332 | 313 | 281 |
| 532 | Soil Science | 21 | 329 | 613 | 1,003 |
| 533 | Systems Analysis | 30 | 328 | 166 | 395 |
| 533 | health services accessibility | 15 | 328 | 304 | 374 |
| 535 | Autoimmunity | 14 | 325 | 258 | 421 |
| 535 | rehabilitation | 22 | 325 | 652 | 1,007 |
| 537 | Anti-inflammatory agents | 9 | 324 | 71 | 57 |
| 537 | Ultrasonics | 17 | 324 | 385 | 671 |
| 537 | drug development | 17 | 324 | 258 | 632 |
| 540 | Biofilms | 4 | 323 | 104 | 60 |
| 541 | Calorimetry | 31 | 321 | 179 | 379 |
| 541 | Thermal analysis | 31 | 321 | 179 | 379 |
| 543 | Intelligent Control Systems | 39 | 320 | 96 | 221 |
| 544 | Diagnostic microbiology | 3 | 318 | 963 | 799 |
| 545 | Soft Condensed Matter | 20 | 317 | 368 | 545 |
| 546 | Green Technology | 10 | 314 | 80 | 78 |
| 546 | Communication | 17 | 314 | 812 | 1,005 |
| 548 | Health Services Research | 26 | 312 | 399 | 713 |
| 548 | Radiobiology | 26 | 312 | 343 | 606 |
| 550 | gastrointestinal tract | 10 | 311 | 103 | 229 |
| 551 | Radio waves | 4 | 309 | 729 | 497 |
| 551 | Radio | 4 | 309 | 1,202 | 782 |
| 551 | Informatics | 15 | 309 | 272 | 404 |
| 554 | Quality Control | 17 | 308 | 526 | 804 |
| 554 | disease outbreaks | 3 | 308 | 481 | 269 |
| 554 | Epidemics | 3 | 308 | 460 | 266 |
| 557 | Dynamics | 31 | 307 | 343 | 578 |
| 558 | Archaeology | 19 | 305 | 481 | 536 |
| 558 | Sonochemistry | 14 | 305 | 154 | 434 |
| 560 | epilepsy | 21 | 302 | 234 | 389 |
| 561 | Animal Behavior | 18 | 299 | 719 | 1,120 |
| 561 | cell adhesion molecules | 6 | 299 | 66 | 119 |
| 563 | food industry | 20 | 298 | 106 | 187 |
| 564 | Molecular Imaging | 15 | 297 | 215 | 338 |
| 564 | Developmental Immunology | 9 | 297 | 271 | 313 |
| 566 | Teaching | 15 | 296 | 709 | 770 |
| 567 | Information Systems | 11 | 294 | 629 | 627 |
| 567 | Entropy | 31 | 294 | 118 | 332 |
| 567 | Astrocytes | 7 | 294 | 269 | 342 |
| 570 | Ecological Engineering | 8 | 293 | 291 | 374 |
| 570 | behavioral medicine | 15 | 293 | 473 | 813 |
| 570 | Tourism | 14 | 293 | 670 | 1,089 |
| 573 | Thrombosis | 22 | 292 | 338 | 562 |
| 574 | Plant Ecology | 13 | 288 | 809 | 1,113 |
| 575 | Process Control | 12 | 282 | 378 | 718 |
| 576 | Adaptive control systems | 27 | 281 | 73 | 161 |
| 577 | Nanomedicine | 8 | 277 | 49 | 88 |
| 577 | Superconductors | 10 | 277 | 480 | 327 |
| 577 | United Kingdom | 22 | 277 | 454 | 803 |
| 577 | Bones | 8 | 277 | 387 | 479 |
| 581 | violence | 5 | 276 | 724 | 534 |
| 582 | Statistics | 31 | 273 | 850 | 1,106 |
| 583 | natural products | 31 | 265 | 406 | 868 |
| 584 | Mental Health | 8 | 260 | 896 | 736 |
| 584 | Land use | 11 | 260 | 509 | 665 |
| 586 | Child Development | 7 | 257 | 1,139 | 1,086 |
| 587 | Production Management | 11 | 255 | 557 | 939 |
| 588 | Zoology | 22 | 253 | 937 | 1,184 |
| 588 | Highway Engineering | 11 | 253 | 143 | 145 |
| 590 | Transnational corporations | 8 | 252 | 118 | 141 |
| 591 | Neurotoxicology | 8 | 251 | 263 | 315 |
| 591 | Metabolic syndrome | 20 | 251 | 26 | 60 |
| 593 | Crystallography | 54 | 250 | 251 | 523 |
| 594 | Developmental Genetics | 3 | 249 | 423 | 419 |
| 595 | Atmospheric Physics | 14 | 248 | 671 | 956 |
| 595 | Pregnancy | 37 | 248 | 97 | 372 |
| 597 | medical education | 23 | 247 | 511 | 826 |
| 598 | Mining Engineering | 4 | 246 | 441 | 279 |
| 598 | Child welfare | 16 | 246 | 366 | 501 |
| 600 | Bioenergetics | 14 | 245 | 318 | 532 |
| 600 | Molecular Genetics | 16 | 245 | 721 | 1,205 |
| 602 | Education | 9 | 244 | 2,120 | 1,652 |
| 602 | Biomolecules | 10 | 244 | 142 | 312 |
| 602 | Earth Sciences | 29 | 244 | 1,055 | 1,797 |
| 605 | viral genetics | 2 | 242 | 305 | 339 |
| 606 | Emergency Medicine | 19 | 241 | 413 | 530 |
| 607 | Microstructure | 24 | 240 | 124 | 240 |
| 608 | Radiography | 9 | 238 | 371 | 586 |
| 609 | Occupational Health | 8 | 237 | 548 | 432 |
| 610 | Bone diseases | 4 | 236 | 365 | 360 |
| 611 | Planets | 10 | 234 | 810 | 1,055 |
| 612 | Business | 8 | 229 | 1,373 | 1,560 |
| 613 | Corporate Social Responsibility | 3 | 227 | 280 | 263 |
| 613 | environmental auditing | 3 | 227 | 293 | 263 |
| 613 | vascular diseases | 10 | 227 | 351 | 531 |
| 616 | Data Mining | 8 | 225 | 538 | 582 |
| 616 | Social work | 13 | 225 | 611 | 599 |
| 618 | Developing countries | 18 | 222 | 793 | 1,265 |
| 619 | Risk Management | 8 | 219 | 316 | 339 |
| 619 | Solutions | 4 | 219 | 318 | 120 |
| 621 | Cognitive neuroscience | 12 | 218 | 465 | 701 |
| 622 | Bioprinting | 8 | 216 | 13 | 21 |
| 623 | Geographic information systems | 26 | 213 | 186 | 473 |
| 623 | Medical Anthropology | 2 | 213 | 1,357 | 914 |
| 623 | food handling | 11 | 213 | 329 | 645 |
| 623 | peptides | 18 | 213 | 158 | 302 |
| 627 | Asthma | 10 | 211 | 246 | 270 |
| 627 | Computational Complexity | 33 | 211 | 92 | 348 |
| 629 | Chemical processes | 18 | 210 | 123 | 253 |
| 630 | Parkinson's disease | 11 | 209 | 67 | 136 |
| 631 | Porous materials | 15 | 208 | 172 | 269 |
| 632 | Microwaves | 11 | 207 | 721 | 662 |
| 633 | adolescence | 4 | 202 | 783 | 585 |
| 633 | Foodborne diseases | 5 | 202 | 146 | 110 |
| 635 | probabilities | 13 | 201 | 669 | 579 |
| 635 | Australia | 12 | 201 | 807 | 889 |
| 637 | Optoelectronics | 23 | 200 | 81 | 127 |
| 637 | Mechanics | 21 | 200 | 371 | 627 |
| 639 | big data | 11 | 198 | 152 | 312 |
| 639 | Youth | 3 | 198 | 657 | 472 |
| 641 | Radiology | 17 | 197 | 479 | 637 |
| 642 | curriculum evaluation | 12 | 196 | 97 | 174 |
| 642 | cloning | 7 | 196 | 350 | 540 |
| 644 | Biomechanics | 9 | 194 | 685 | 814 |
| 645 | Research Design | 6 | 193 | 751 | 735 |
| 645 | Radiation | 39 | 193 | 426 | 1,136 |
| 645 | Menopause | 8 | 193 | 134 | 144 |
| 648 | Geomorphology | 14 | 192 | 621 | 1,070 |
| 648 | Emergency Medical Services | 9 | 192 | 277 | 270 |
| 650 | Mineralogy | 25 | 191 | 461 | 806 |
| 650 | Behavioral research | 16 | 191 | 88 | 166 |
| 650 | Molecular evolution | 12 | 191 | 648 | 1,103 |
| 650 | Environmental Geochemistry | 18 | 191 | 51 | 226 |
| 654 | Minerals | 17 | 190 | 157 | 402 |
| 655 | Horticulture | 7 | 188 | 438 | 359 |
| 655 | Regeneration | 6 | 188 | 28 | 22 |
| 657 | Autoantibodies | 11 | 187 | 207 | 417 |
| 657 | Autoimmune diseases | 11 | 187 | 235 | 447 |
| 659 | emergency management | 6 | 186 | 415 | 418 |
| 660 | Atmospheric Chemistry | 7 | 185 | 556 | 764 |
| 661 | Cerebral cortex | 12 | 184 | 424 | 687 |
| 662 | water reuse | 9 | 183 | 78 | 197 |
| 662 | supercritical fluids | 10 | 183 | 167 | 278 |
| 664 | calcification | 7 | 182 | 287 | 358 |
| 665 | X-rays | 18 | 181 | 107 | 212 |
| 666 | Enzyme inhibitors | 10 | 179 | 126 | 214 |
| 666 | Autism | 7 | 179 | 415 | 530 |
| 668 | Nuclear Energy | 13 | 178 | 405 | 462 |
| 668 | Mechatronics | 12 | 178 | 352 | 590 |
| 668 | Human-Computer Interaction | 9 | 178 | 822 | 1,024 |
| 668 | preventive medicine | 14 | 178 | 447 | 825 |
| 668 | sex crimes | 3 | 178 | 624 | 387 |
| 673 | Radiation Oncology | 13 | 177 | 96 | 197 |
| 673 | Hematopoietic stem cell transplantation | 3 | 177 | 391 | 328 |
| 675 | animals | 17 | 176 | 406 | 621 |
| 675 | Light | 4 | 176 | 756 | 832 |
| 677 | Psychosomatic Medicine | 10 | 175 | 362 | 573 |
| 677 | Integrative Medicine | 8 | 175 | 114 | 74 |
| 677 | Host-parasite interactions | 6 | 175 | 748 | 1,042 |
| 680 | biological evolution | 9 | 173 | 1,093 | 1,609 |
| 681 | Geriatric Oncology | 8 | 171 | 256 | 396 |
| 681 | Health promotion | 8 | 171 | 632 | 668 |
| 683 | Liposomes | 4 | 169 | 497 | 408 |
| 683 | Virulence | 13 | 169 | 456 | 1,013 |
| 685 | Ethology | 7 | 168 | 927 | 1,216 |
| 686 | Electrophysiology | 16 | 167 | 349 | 549 |
| 686 | Imaging systems | 26 | 167 | 84 | 285 |
| 688 | Contraception | 7 | 166 | 334 | 365 |
| 689 | optical devices | 4 | 165 | 384 | 244 |
| 689 | Birth control | 6 | 165 | 252 | 295 |
| 691 | soil management | 6 | 164 | 335 | 472 |
| 691 | tillage | 6 | 164 | 244 | 410 |
| 693 | human development | 11 | 163 | 371 | 632 |
| 694 | Algebra | 21 | 162 | 568 | 616 |
| 694 | Microbial Biotechnology | 6 | 162 | 641 | 699 |
| 694 | Chromosomes | 8 | 162 | 482 | 701 |
| 697 | Metastasis | 2 | 161 | 212 | 227 |
| 698 | Biodiversity conservation | 4 | 160 | 1,316 | 1,452 |
| 698 | Emulsions | 11 | 160 | 99 | 109 |
| 698 | economic analysis | 9 | 160 | 70 | 136 |
| 701 | Extreme environments | 1 | 159 | 441 | 177 |
| 702 | Molecular recognition | 10 | 158 | 33 | 95 |
| 703 | Nanophotonics | 5 | 157 | 230 | 264 |
| 704 | Rheology | 12 | 156 | 227 | 354 |
| 705 | East Asia | 19 | 155 | 109 | 203 |
| 706 | Iron | 12 | 154 | 115 | 147 |
| 707 | Climatology | 17 | 153 | 663 | 1,343 |
| 707 | Palliative Care | 3 | 153 | 736 | 438 |
| 707 | hospice care | 3 | 153 | 508 | 269 |
| 707 | Microcirculation | 13 | 153 | 139 | 319 |
| 707 | Blood vessels | 13 | 153 | 90 | 257 |
| 712 | Sports Medicine | 27 | 150 | 777 | 1,454 |
| 712 | Organizational learning | 12 | 150 | 61 | 181 |
| 712 | Knowledge management | 13 | 150 | 33 | 107 |
| 715 | Energy Consumption | 3 | 148 | 358 | 385 |
| 715 | Access to Information | 2 | 148 | 265 | 187 |
| 715 | Information dissemination | 2 | 148 | 265 | 187 |
| 718 | Algorithms | 12 | 147 | 266 | 374 |
| 718 | Multiphase Flow | 2 | 147 | 481 | 308 |
| 720 | Dentistry | 11 | 146 | 312 | 338 |
| 720 | Tissue Engineering | 10 | 146 | 103 | 261 |
| 720 | Bibliometrics | 5 | 146 | 77 | 103 |
| 723 | industrial hygiene | 4 | 145 | 863 | 400 |
| 723 | city planning | 12 | 145 | 738 | 1,113 |
| 725 | Pacific Islands | 8 | 144 | 105 | 94 |
| 726 | Nonlinear Dynamics | 7 | 141 | 1,318 | 1,346 |
| 727 | Materials Engineering | 12 | 140 | 209 | 343 |
| 728 | Heart Failure | 2 | 139 | 408 | 365 |
| 729 | primary prevention | 3 | 137 | 391 | 306 |
| 729 | chronic disease | 3 | 137 | 282 | 231 |
| 729 | enzymes | 11 | 137 | 714 | 1,182 |
| 732 | Anatomy | 15 | 135 | 830 | 1,313 |
| 732 | Neuroplasticity | 9 | 135 | 57 | 217 |
| 734 | Rheumatology | 9 | 134 | 587 | 815 |
| 734 | Medical Ethics | 17 | 134 | 386 | 640 |
| 736 | Japan | 7 | 133 | 1,115 | 1,082 |
| 736 | Spine | 11 | 133 | 296 | 562 |
| 738 | Andrology | 15 | 131 | 181 | 411 |
| 738 | Visual Communication | 13 | 131 | 96 | 236 |
| 738 | Image enhancement | 13 | 131 | 76 | 220 |
| 738 | Randomized Controlled Trials | 12 | 131 | 405 | 530 |
| 738 | Cement | 8 | 131 | 318 | 680 |
| 743 | Nuclear Engineering | 17 | 129 | 563 | 852 |
| 743 | Dermatology | 13 | 129 | 732 | 1,035 |
| 743 | Telemedicine | 5 | 129 | 181 | 246 |
| 746 | Public Policy | 10 | 128 | 872 | 1,375 |
| 746 | Cosmology | 3 | 128 | 642 | 484 |
| 746 | nuclear astrophysics | 3 | 128 | 499 | 403 |
| 746 | scientific societies | 5 | 128 | 484 | 523 |
| 750 | Nonlinear mechanics | 9 | 127 | 179 | 292 |
| 751 | Hydrogeology | 7 | 126 | 414 | 535 |
| 752 | amino acids | 11 | 123 | 178 | 502 |
| 753 | Geography | 8 | 121 | 1,220 | 1,540 |
| 753 | Happiness | 4 | 121 | 336 | 414 |
| 755 | Molecular ecology | 4 | 120 | 842 | 1,140 |
| 756 | Traffic Engineering | 6 | 118 | 251 | 414 |
| 757 | Chemical kinetics | 17 | 117 | 168 | 329 |
| 757 | Lipid bilayers | 1 | 117 | 790 | 449 |
| 759 | Hydrocarbons | 5 | 116 | 78 | 56 |
| 760 | Superconductivity | 6 | 115 | 304 | 277 |
| 760 | Cerebrospinal fluid | 1 | 115 | 235 | 118 |
| 760 | Primates | 7 | 115 | 417 | 510 |
| 763 | personality | 9 | 114 | 820 | 1,375 |
| 764 | Plant Genetics | 6 | 112 | 448 | 748 |
| 764 | venom | 4 | 112 | 610 | 595 |
| 764 | Toxins | 4 | 112 | 708 | 672 |
| 767 | Echocardiography | 2 | 110 | 118 | 56 |
| 768 | Audiology | 6 | 109 | 507 | 592 |
| 768 | transport vesicles | 3 | 109 | 203 | 441 |
| 768 | RNA | 5 | 109 | 369 | 538 |
| 768 | Entomology | 7 | 109 | 1,532 | 1,470 |
| 772 | Molecular Microbiology | 8 | 108 | 480 | 914 |
| 772 | food contamination | 16 | 108 | 245 | 744 |
| 772 | Bacterial diseases | 8 | 108 | 71 | 277 |
| 775 | Insects | 6 | 107 | 1,030 | 1,054 |
| 776 | Marine Geology | 12 | 106 | 222 | 511 |
| 776 | Architectural Design | 12 | 106 | 138 | 267 |
| 776 | Climate change | 4 | 106 | 813 | 1,375 |
| 776 | Marine Geophysics | 12 | 106 | 59 | 165 |
| 776 | Marine mineral resources | 12 | 106 | 33 | 75 |
| 776 | Seabed | 12 | 106 | 33 | 75 |
| 776 | alcoholism | 7 | 106 | 835 | 1,127 |
| 783 | weather | 7 | 105 | 295 | 532 |
| 783 | liver | 6 | 105 | 173 | 228 |
| 785 | Information Theory | 11 | 104 | 714 | 1,090 |
| 785 | Neuropsychiatry | 5 | 104 | 592 | 697 |
| 785 | Supramolecular chemistry | 15 | 104 | 31 | 111 |
| 788 | risk factors | 7 | 103 | 377 | 570 |
| 789 | silicon | 7 | 102 | 165 | 184 |
| 790 | Genetic Research | 11 | 101 | 28 | 126 |
| 790 | Computer-Aided Design | 12 | 101 | 525 | 975 |
| 790 | Cognitive Radio Networks | 5 | 101 | 129 | 183 |
| 790 | Sound | 5 | 101 | 800 | 718 |
| 790 | protein | 7 | 101 | 735 | 956 |
| 795 | Educational Psychology | 6 | 100 | 975 | 1,210 |
| 795 | bioclimatology | 11 | 100 | 343 | 844 |
| 797 | Reproductive toxicology | 10 | 99 | 134 | 409 |
| 798 | Aggression | 2 | 98 | 614 | 526 |
| 799 | Graph Theory | 13 | 97 | 290 | 396 |
| 799 | Soil biology | 3 | 97 | 850 | 1,042 |
| 801 | soil conservation | 8 | 96 | 382 | 799 |
| 802 | Geriatric Psychiatry | 5 | 95 | 660 | 850 |
| 802 | Telecommunications | 4 | 95 | 673 | 535 |
| 802 | Biochemical Genetics | 15 | 95 | 68 | 205 |
| 802 | Cross-Cultural Studies | 7 | 95 | 367 | 602 |
| 802 | Immunogenetics | 9 | 95 | 289 | 526 |
| 802 | cross-cultural comparison | 7 | 95 | 259 | 410 |
| 808 | Agricultural Biotechnology | 10 | 94 | 88 | 107 |
| 808 | tomography | 11 | 94 | 129 | 253 |
| 810 | Chemotherapy | 15 | 93 | 484 | 989 |
| 810 | Geothermal Energy | 5 | 93 | 143 | 225 |
| 810 | Information visualization | 4 | 93 | 131 | 72 |
| 810 | Substance Abuse | 9 | 93 | 740 | 1,111 |
| 814 | Physical Geography | 9 | 92 | 198 | 454 |
| 814 | optical pattern recognition | 5 | 92 | 71 | 44 |
| 814 | ethanol | 3 | 92 | 489 | 423 |
| 817 | Climate | 7 | 91 | 305 | 621 |
| 818 | Evolutionary Genetics | 7 | 90 | 309 | 648 |
| 818 | Molecular Epidemiology | 7 | 90 | 309 | 648 |
| 818 | structural stability | 5 | 90 | 232 | 369 |
| 821 | Lipid metabolism | 5 | 89 | 260 | 488 |
| 821 | Mycology | 4 | 89 | 1,262 | 1,389 |
| 821 | water supply | 8 | 89 | 479 | 927 |
| 821 | Lipid | 5 | 89 | 259 | 490 |
| 821 | Ventilation | 13 | 89 | 150 | 466 |
| 826 | Regional Planning | 6 | 88 | 1,049 | 1,279 |
| 826 | Geochemistry | 12 | 88 | 999 | 1,749 |
| 828 | Machine Learning | 2 | 87 | 413 | 320 |
| 828 | Food Preservation | 7 | 87 | 471 | 610 |
| 828 | Hemostasis | 8 | 87 | 385 | 608 |
| 828 | Infection control | 3 | 87 | 300 | 358 |
| 832 | Paleontology | 10 | 86 | 717 | 1,042 |
| 832 | Bacteriology | 6 | 86 | 1,196 | 1,788 |
| 832 | embryonic development | 6 | 86 | 237 | 424 |
| 832 | Noise | 3 | 86 | 122 | 67 |
| 832 | Eutrophication | 3 | 86 | 882 | 1,414 |
| 832 | Paleopathology | 10 | 86 | 99 | 203 |
| 838 | Capital market | 2 | 85 | 580 | 496 |
| 838 | Longevity | 3 | 85 | 161 | 190 |
| 838 | Women's health | 11 | 85 | 516 | 1,067 |
| 838 | Creativity | 3 | 85 | 286 | 339 |
| 842 | Computational Intelligence | 15 | 84 | 152 | 562 |
| 842 | plasticity | 2 | 84 | 402 | 476 |
| 842 | Infrared spectroscopy | 4 | 84 | 222 | 290 |
| 842 | machinery | 4 | 84 | 695 | 691 |
| 842 | crops | 2 | 84 | 170 | 86 |
| 847 | Computational Chemistry | 4 | 83 | 580 | 692 |
| 847 | Flexible electronics | 1 | 83 | 167 | 150 |
| 847 | Molecules | 14 | 83 | 721 | 1,136 |
| 847 | individual differences | 1 | 83 | 530 | 392 |
| 847 | rejuvenation | 2 | 83 | 163 | 160 |
| 852 | Apoptosis | 5 | 82 | 144 | 311 |
| 852 | neurotoxins | 5 | 82 | 144 | 311 |
| 852 | Neurotoxic agents | 5 | 82 | 144 | 311 |
| 852 | Flood control | 7 | 82 | 93 | 205 |
| 852 | Biodiversity | 12 | 82 | 1,047 | 1,995 |
| 852 | Nerve regeneration | 5 | 82 | 144 | 311 |
| 858 | Stochastic Processes | 8 | 81 | 515 | 716 |
| 858 | land degradation | 5 | 81 | 329 | 614 |
| 858 | Bacterial infections | 10 | 81 | 338 | 937 |
| 858 | degradation | 5 | 81 | 329 | 614 |
| 862 | Plant tissue culture | 14 | 80 | 197 | 743 |
| 862 | Eating Disorders | 7 | 80 | 501 | 802 |
| 862 | Feeding and Eating Disorders | 7 | 80 | 482 | 782 |
| 862 | Plant cell culture | 14 | 80 | 163 | 734 |
| 866 | Global Health | 7 | 79 | 596 | 885 |
| 866 | indoor air pollution | 12 | 79 | 108 | 426 |
| 866 | Sick building syndrome | 12 | 79 | 108 | 426 |
| 869 | Hemodynamics | 5 | 78 | 454 | 799 |
| 869 | Jurisprudence | 3 | 78 | 896 | 739 |
| 869 | India | 8 | 78 | 735 | 754 |
| 872 | econometric models | 3 | 77 | 660 | 703 |
| 873 | Freeze-Drying | 3 | 76 | 355 | 347 |
| 873 | Synthetic biology | 3 | 76 | 309 | 373 |
| 873 | Hypothermia | 3 | 76 | 355 | 347 |
| 873 | Flood forecasting | 3 | 76 | 91 | 125 |
| 873 | Freeze Drying | 3 | 76 | 355 | 347 |
| 873 | Microwave devices | 5 | 76 | 360 | 435 |
| 873 | Liquid chromatography | 9 | 76 | 193 | 288 |
| 880 | Structural optimization | 4 | 75 | 296 | 394 |
| 880 | Screening | 8 | 75 | 46 | 170 |
| 880 | marketing | 4 | 75 | 1,644 | 1,907 |
| 880 | Antigens | 4 | 75 | 579 | 678 |
| 880 | Social behavior | 2 | 75 | 1,355 | 1,169 |
| 880 | Combinatorial analysis | 13 | 75 | 460 | 657 |
| 886 | Artificial Organs | 6 | 74 | 389 | 468 |
| 886 | Sports | 21 | 74 | 776 | 1,632 |
| 888 | Antiviral agents | 3 | 73 | 247 | 283 |
| 888 | Developmental Neurobiology | 3 | 73 | 533 | 534 |
| 888 | DNA methylation | 5 | 73 | 168 | 398 |
| 888 | Cheminformatics | 1 | 73 | 594 | 456 |
| 888 | Alzheimer's disease | 10 | 73 | 704 | 957 |
| 893 | Long-Term Care | 8 | 72 | 271 | 623 |
| 893 | Long-term care facilities | 8 | 72 | 268 | 619 |
| 893 | Thin Films | 4 | 72 | 438 | 407 |
| 896 | thinking | 2 | 71 | 433 | 378 |
| 896 | Investments | 1 | 71 | 1,031 | 454 |
| 898 | Endocrine glands | 5 | 70 | 164 | 481 |
| 898 | isomerism | 10 | 70 | 95 | 297 |
| 898 | Radioisotopes | 9 | 70 | 573 | 825 |
| 898 | Mitochondrial DNA | 15 | 70 | 15 | 64 |
| 898 | Chirality | 10 | 70 | 95 | 297 |
| 903 | Structural health monitoring | 2 | 69 | 259 | 278 |
| 903 | infrared radiation | 7 | 69 | 338 | 484 |
| 903 | ground penetrating radar | 10 | 69 | 4 | 18 |
| 906 | Attention | 3 | 68 | 1,314 | 1,387 |
| 906 | Stress | 2 | 68 | 378 | 365 |
| 908 | Genetic Toxicology | 3 | 67 | 413 | 628 |
| 908 | Immunotoxicology | 4 | 67 | 215 | 286 |
| 908 | Fractional Calculus | 1 | 67 | 363 | 150 |
| 908 | Cell survival | 4 | 67 | 137 | 309 |
| 908 | hygiene | 5 | 67 | 343 | 565 |
| 908 | molecular chaperones | 4 | 67 | 163 | 311 |
| 908 | Exercise | 17 | 67 | 540 | 1,341 |
| 915 | Crop Science | 3 | 66 | 137 | 131 |
| 915 | Microbial Genetics | 1 | 66 | 626 | 433 |
| 915 | phytopathogenic bacteria | 1 | 66 | 407 | 376 |
| 915 | Soil ecology | 5 | 66 | 572 | 1,015 |
| 919 | Geotechnical Engineering | 3 | 65 | 468 | 466 |
| 919 | Clinical Laboratory Science | 5 | 65 | 114 | 171 |
| 919 | Bioethics | 13 | 65 | 398 | 792 |
| 919 | Biogeochemistry | 3 | 65 | 1,013 | 1,317 |
| 923 | Cryptography | 10 | 64 | 281 | 456 |
| 923 | Functional Genomics | 5 | 64 | 162 | 388 |
| 923 | Respiratory Infections | 3 | 64 | 298 | 347 |
| 923 | textile fibers | 6 | 64 | 246 | 361 |
| 923 | plant communities | 2 | 64 | 1,176 | 1,323 |
| 923 | Phylogeny | 3 | 64 | 861 | 1,148 |
| 923 | Influenza | 3 | 64 | 208 | 276 |
| 930 | Ergonomics | 1 | 62 | 1,385 | 909 |
| 930 | Educational Change | 2 | 62 | 78 | 91 |
| 930 | plasma spraying | 8 | 62 | 96 | 253 |
| 930 | Coronary heart disease | 4 | 62 | 157 | 158 |
| 930 | educational innovations | 2 | 62 | 678 | 648 |
| 935 | wood | 5 | 60 | 342 | 439 |
| 936 | Genetic markers | 6 | 59 | 90 | 292 |
| 936 | Chemical structure | 11 | 59 | 134 | 391 |
| 936 | Papermaking | 14 | 59 | 26 | 48 |
| 939 | Computer Architecture | 5 | 58 | 396 | 471 |
| 939 | Marine Meteorology | 2 | 58 | 366 | 381 |
| 939 | Strategic planning | 4 | 58 | 671 | 925 |
| 942 | Cardiovascular Pharmacology | 1 | 57 | 450 | 348 |
| 942 | Cognitive Therapy | 3 | 57 | 613 | 697 |
| 942 | Animal ecology | 3 | 57 | 1,111 | 1,208 |
| 942 | Evolution | 4 | 57 | 1,467 | 1,945 |
| 946 | Probiotics | 3 | 56 | 158 | 292 |
| 946 | cardiac catheterization | 9 | 56 | 318 | 497 |
| 946 | Fungi | 2 | 56 | 1,117 | 1,222 |
| 946 | vitamin C | 3 | 56 | 384 | 639 |
| 946 | vitamin E | 3 | 56 | 384 | 639 |
| 951 | biological monitoring | 10 | 55 | 165 | 693 |
| 952 | Mitochondria | 3 | 54 | 242 | 435 |
| 952 | Radiation effects | 6 | 54 | 370 | 969 |
| 954 | Protective coatings | 2 | 53 | 226 | 121 |
| 955 | Landscape Architecture | 1 | 52 | 362 | 89 |
| 955 | Hospitality industry | 2 | 52 | 547 | 593 |
| 957 | Urban Policy | 3 | 51 | 877 | 1,152 |
| 957 | Magnetic Resonance Imaging | 3 | 51 | 392 | 485 |
| 957 | Pediatric Rheumatology | 2 | 51 | 298 | 244 |
| 957 | Cell migration | 4 | 51 | 38 | 190 |
| 957 | Microprocessors | 3 | 51 | 623 | 652 |
| 957 | urban health | 1 | 51 | 459 | 379 |
| 957 | Smoking | 5 | 51 | 517 | 943 |
| 957 | Cell adhesion | 4 | 51 | 95 | 280 |
| 957 | Welding | 4 | 51 | 188 | 162 |
| 957 | cell movement | 4 | 51 | 183 | 405 |
| 967 | Epigenetics | 3 | 50 | 223 | 292 |
| 967 | Pharmacogenomics | 4 | 50 | 211 | 418 |
| 967 | Animal husbandry | 1 | 50 | 510 | 385 |
| 967 | Epigenomics | 3 | 50 | 220 | 286 |
| 967 | air quality | 4 | 50 | 134 | 351 |
| 967 | Finite Element Method | 2 | 50 | 427 | 403 |
| 967 | Physical fitness | 2 | 50 | 1,209 | 1,273 |
| 967 | nucleotides | 2 | 50 | 400 | 251 |
| 967 | Enzyme | 3 | 50 | 527 | 857 |
| 967 | Electromagnetic fields | 9 | 50 | 135 | 228 |
| 967 | livestock | 1 | 50 | 775 | 517 |
| 978 | Bioremediation | 6 | 49 | 515 | 1,316 |
| 979 | Health Information Management | 2 | 48 | 431 | 885 |
| 979 | Quantum Optics | 6 | 48 | 630 | 923 |
| 979 | Sites | 4 | 48 | 457 | 792 |
| 979 | Atomic spectroscopy | 6 | 48 | 803 | 1,183 |
| 979 | Laser Spectroscopy | 6 | 48 | 583 | 882 |
| 979 | planning | 3 | 48 | 776 | 917 |
| 979 | Allergies | 3 | 48 | 112 | 166 |
| 986 | Heterocyclic chemistry | 7 | 47 | 254 | 459 |
| 986 | Speech | 4 | 47 | 755 | 1,064 |
| 988 | Ethics | 2 | 46 | 1,125 | 985 |
| 988 | Paleoecology | 2 | 46 | 1,166 | 1,275 |
| 988 | Boundary Value Problems | 12 | 46 | 300 | 810 |
| 988 | Africa | 3 | 46 | 1,560 | 1,348 |
| 992 | Clinical Trials | 4 | 45 | 353 | 506 |
| 992 | Quantum Mechanics | 10 | 45 | 48 | 113 |
| 992 | Paleobotany | 1 | 45 | 319 | 255 |
| 992 | Vegetation dynamics | 1 | 45 | 298 | 246 |
| 992 | Pancreatic diseases | 4 | 45 | 268 | 403 |
| 997 | Magnetic Resonance Spectroscopy | 7 | 43 | 723 | 1,080 |
| 997 | international trade | 4 | 43 | 639 | 868 |
| 997 | Malaria | 3 | 43 | 620 | 860 |
| 997 | Thorax | 1 | 43 | 555 | 576 |