| 1 | Chemistry | 3,475 | 97.0K | 63 | 241 |
| 2 | Science | 2,317 | 73.1K | 109 | 310 |
| 3 | Biology | 1,719 | 72.6K | 157 | 318 |
| 4 | Biochemistry | 1,800 | 60.3K | 189 | 248 |
| 5 | Research | 2,249 | 46.1K | 54 | 167 |
| 6 | Chemical Engineering | 944 | 44.6K | 59 | 57 |
| 7 | Physics | 1,193 | 41.4K | 350 | 572 |
| 8 | Pollution | 814 | 35.9K | 58 | 122 |
| 9 | Medicine | 1,305 | 35.5K | 221 | 382 |
| 10 | Molecular Biology | 1,163 | 33.1K | 183 | 377 |
| 11 | Ecology | 647 | 32.0K | 203 | 271 |
| 12 | Materials | 676 | 26.9K | 229 | 259 |
| 13 | Toxicology | 608 | 26.4K | 55 | 37 |
| 14 | environmental pollution | 605 | 26.2K | 33 | 46 |
| 15 | Environmental Health | 653 | 24.9K | 76 | 142 |
| 16 | Environmental monitoring | 593 | 23.8K | 8 | 22 |
| 17 | Nanotechnology | 691 | 23.4K | 125 | 233 |
| 18 | Biochemical Engineering | 344 | 21.0K | 88 | 131 |
| 19 | Pharmaceutical Chemistry | 523 | 20.1K | 48 | 65 |
| 20 | Pharmacology | 742 | 19.9K | 128 | 190 |
| 21 | Biotechnology | 659 | 19.1K | 107 | 269 |
| 22 | Pharmacy | 786 | 18.2K | 5 | 11 |
| 23 | Natural history | 119 | 17.0K | 362 | 491 |
| 24 | computer networks | 337 | 16.0K | 22 | 15 |
| 25 | Botany | 415 | 16.0K | 174 | 228 |
| 26 | Colloids | 463 | 16.0K | 90 | 125 |
| 27 | Biophysics | 408 | 15.5K | 340 | 308 |
| 28 | Materials Science | 354 | 15.4K | 232 | 244 |
| 29 | Biocompatible Materials | 291 | 15.4K | 207 | 217 |
| 30 | Surface Chemistry | 425 | 15.3K | 96 | 112 |
| 31 | Mycology | 131 | 15.0K | 72 | 7 |
| 32 | Environment | 220 | 14.6K | 356 | 383 |
| 33 | Fungi | 117 | 14.6K | 27 | 2 |
| 34 | Public Health | 408 | 13.9K | 223 | 249 |
| 35 | environmental protection | 296 | 13.5K | 29 | 43 |
| 36 | Microbiology | 472 | 12.9K | 330 | 532 |
| 37 | Analytical Chemistry | 447 | 12.7K | 115 | 185 |
| 38 | Plant physiology | 259 | 12.3K | 37 | 71 |
| 39 | Catalysis | 285 | 11.9K | 264 | 292 |
| 40 | Oncology | 57 | 11.8K | 304 | 144 |
| 41 | Mathematics | 1,046 | 11.7K | 91 | 171 |
| 42 | Bioorganic chemistry | 285 | 11.6K | 38 | 48 |
| 43 | Epidemiology | 312 | 11.2K | 133 | 161 |
| 44 | Renewable Energy Sources | 188 | 10.7K | 56 | 131 |
| 45 | Biomedical Engineering | 359 | 10.2K | 167 | 243 |
| 46 | Electrochemistry | 469 | 10.0K | 133 | 177 |
| 47 | Bioengineering | 298 | 9.7K | 147 | 319 |
| 48 | Building Materials | 139 | 9.4K | 90 | 60 |
| 49 | nanoscience | 345 | 9.1K | 71 | 206 |
| 50 | internet | 187 | 9.0K | 25 | 15 |
| 51 | Internet of Things | 170 | 8.9K | 29 | 14 |
| 52 | Earth Sciences | 573 | 8.9K | 11 | 170 |
| 53 | Composite Materials | 160 | 8.6K | 202 | 166 |
| 54 | Environmental pollutants | 152 | 8.6K | 48 | 21 |
| 55 | Medical genetics | 148 | 8.6K | 256 | 271 |
| 56 | Environmental Toxicology | 151 | 8.1K | 61 | 66 |
| 57 | Nutrition | 224 | 8.1K | 256 | 296 |
| 58 | Biomass Energy | 291 | 8.0K | 24 | 119 |
| 59 | Polymers | 419 | 7.9K | 229 | 384 |
| 60 | Engineering | 433 | 7.8K | 58 | 108 |
| 61 | Cell Biology | 188 | 7.7K | 373 | 527 |
| 62 | Clinical Chemistry | 140 | 7.7K | 201 | 143 |
| 63 | Medical Microbiology | 219 | 7.6K | 76 | 165 |
| 64 | Wireless Communication Systems | 219 | 7.3K | 109 | 126 |
| 65 | Organic Chemistry | 198 | 7.2K | 180 | 158 |
| 66 | Artificial Intelligence | 239 | 7.1K | 137 | 224 |
| 67 | Cytology | 205 | 7.1K | 387 | 558 |
| 68 | Spectrum analysis | 435 | 7.1K | 222 | 551 |
| 69 | drugs | 268 | 7.0K | 28 | 44 |
| 70 | Optics | 453 | 6.9K | 207 | 281 |
| 71 | Enzyme inhibitors | 138 | 6.9K | 2 | 3 |
| 72 | Genetics | 114 | 6.9K | 418 | 428 |
| 73 | Optical materials | 270 | 6.7K | 78 | 204 |
| 74 | Environmental Policy | 145 | 6.7K | 172 | 224 |
| 75 | Human genetics | 66 | 6.4K | 341 | 472 |
| 76 | Information Science | 187 | 6.4K | 53 | 79 |
| 77 | pollutants | 89 | 6.3K | 94 | 34 |
| 78 | plant molecular biology | 188 | 6.3K | 48 | 179 |
| 79 | Drug delivery systems | 212 | 6.3K | 5 | 56 |
| 80 | Parasitology | 252 | 6.2K | 37 | 58 |
| 81 | Plants | 218 | 6.2K | 44 | 181 |
| 82 | Neurology | 201 | 6.2K | 580 | 695 |
| 83 | environmental exposure | 96 | 6.1K | 77 | 18 |
| 84 | Food | 224 | 6.0K | 80 | 168 |
| 85 | Environmental Management | 99 | 5.9K | 213 | 157 |
| 86 | Geophysics | 233 | 5.8K | 329 | 421 |
| 87 | Environmental Chemistry | 91 | 5.7K | 124 | 176 |
| 88 | polymerization | 289 | 5.7K | 248 | 388 |
| 89 | Organometallic chemistry | 321 | 5.7K | 8 | 11 |
| 90 | Telecommunication | 132 | 5.5K | 223 | 226 |
| 91 | Solid State Chemistry | 273 | 5.5K | 48 | 78 |
| 92 | Nanostructured Materials | 148 | 5.4K | 293 | 316 |
| 93 | food technology | 258 | 5.3K | 61 | 146 |
| 94 | Immunology | 142 | 5.3K | 365 | 449 |
| 95 | Environmental Engineering | 156 | 5.2K | 236 | 364 |
| 96 | Solid State Physics | 272 | 5.2K | 401 | 514 |
| 97 | Water pollution | 124 | 5.2K | 199 | 254 |
| 98 | Automation | 88 | 5.1K | 276 | 244 |
| 99 | Electrical Engineering | 197 | 5.0K | 194 | 123 |
| 100 | Water | 124 | 4.9K | 196 | 313 |
| 101 | energy conservation | 108 | 4.8K | 120 | 196 |
| 102 | coal | 165 | 4.8K | 40 | 80 |
| 103 | Ophthalmology | 153 | 4.8K | 115 | 145 |
| 104 | System analysis | 111 | 4.6K | 137 | 87 |
| 105 | mass transfer | 99 | 4.5K | 123 | 109 |
| 106 | Physiology | 155 | 4.5K | 458 | 524 |
| 107 | Manufacturing Processes | 159 | 4.5K | 119 | 134 |
| 108 | Molecular Spectroscopy | 207 | 4.4K | 17 | 31 |
| 109 | Nanoparticles | 160 | 4.4K | 58 | 118 |
| 110 | Solar Energy | 117 | 4.3K | 34 | 69 |
| 111 | complementary therapies | 117 | 4.3K | 33 | 19 |
| 112 | Ultrasonics | 95 | 4.3K | 42 | 34 |
| 113 | Sonochemistry | 93 | 4.2K | 5 | 12 |
| 114 | Alternative Medicine | 108 | 4.2K | 33 | 17 |
| 115 | Aging | 65 | 4.2K | 433 | 255 |
| 116 | Telecommunication Systems | 139 | 4.1K | 29 | 16 |
| 117 | Technology | 119 | 4.1K | 390 | 320 |
| 118 | Geology | 281 | 4.1K | 188 | 398 |
| 119 | Middle East | 213 | 4.1K | 2 | 3 |
| 120 | Semiconductors | 227 | 4.1K | 38 | 44 |
| 121 | Signal Processing | 86 | 4.0K | 365 | 317 |
| 122 | lasers | 259 | 3.9K | 51 | 108 |
| 123 | Information Technology | 97 | 3.9K | 117 | 143 |
| 124 | Energy Policy | 96 | 3.9K | 216 | 304 |
| 125 | Education | 113 | 3.8K | 433 | 315 |
| 126 | Multimedia Systems | 137 | 3.8K | 49 | 47 |
| 127 | Behavior | 89 | 3.7K | 446 | 516 |
| 128 | Geriatrics | 66 | 3.6K | 447 | 295 |
| 129 | Marine Biology | 94 | 3.6K | 329 | 294 |
| 130 | Energy Conversion | 44 | 3.6K | 186 | 215 |
| 131 | Pharmacognosy | 117 | 3.6K | 81 | 128 |
| 132 | Pharmaceutical Technology | 115 | 3.6K | 35 | 58 |
| 133 | Surface-Active Agents | 71 | 3.5K | 23 | 21 |
| 133 | Surface properties | 71 | 3.5K | 25 | 23 |
| 135 | Information Systems | 64 | 3.5K | 65 | 36 |
| 136 | human behavior | 77 | 3.5K | 326 | 431 |
| 137 | actuators | 76 | 3.4K | 221 | 192 |
| 137 | transducers | 76 | 3.4K | 221 | 192 |
| 139 | Green Chemistry | 141 | 3.4K | 59 | 214 |
| 139 | Pharmacokinetics | 147 | 3.4K | 3 | 14 |
| 141 | Nanostructures | 107 | 3.4K | 68 | 198 |
| 142 | Production Engineering | 109 | 3.4K | 121 | 80 |
| 143 | Nuclear Physics | 219 | 3.4K | 667 | 863 |
| 144 | China | 109 | 3.3K | 231 | 156 |
| 145 | Chromatographic analysis | 182 | 3.3K | 24 | 40 |
| 146 | Computer Engineering | 101 | 3.3K | 4 | 3 |
| 147 | Marine Pollution | 74 | 3.2K | 48 | 55 |
| 148 | biological evolution | 26 | 3.2K | 611 | 391 |
| 149 | medical education | 135 | 3.2K | 132 | 151 |
| 150 | Mechanical Engineering | 149 | 3.2K | 129 | 116 |
| 151 | Photochemistry | 95 | 3.2K | 50 | 63 |
| 152 | Plant cells | 26 | 3.1K | 336 | 318 |
| 153 | Neural circuitry | 60 | 3.1K | 189 | 135 |
| 154 | Metabolism | 57 | 3.0K | 510 | 513 |
| 155 | Sleep | 75 | 3.0K | 151 | 151 |
| 156 | Sleep Disorders | 67 | 2.9K | 180 | 148 |
| 157 | Plant diseases | 163 | 2.9K | 104 | 178 |
| 158 | Plant Ecology | 49 | 2.9K | 318 | 262 |
| 159 | drug evaluation | 101 | 2.9K | 14 | 26 |
| 160 | biocatalysis | 2 | 2.8K | 222 | 37 |
| 160 | Homogeneous catalysis | 2 | 2.8K | 222 | 37 |
| 160 | Heterogeneous catalysis | 2 | 2.8K | 222 | 37 |
| 163 | Medicinal plants | 96 | 2.8K | 44 | 100 |
| 164 | Diet | 29 | 2.8K | 505 | 335 |
| 165 | Photobiology | 89 | 2.8K | 13 | 29 |
| 166 | Intelligent Transportation Systems | 67 | 2.8K | 81 | 98 |
| 167 | Cancer | 76 | 2.8K | 518 | 624 |
| 168 | Computer Science | 161 | 2.8K | 24 | 57 |
| 169 | Genomics | 95 | 2.8K | 337 | 424 |
| 170 | Evolution | 20 | 2.7K | 641 | 375 |
| 171 | miniaturization | 60 | 2.7K | 257 | 347 |
| 172 | United States | 105 | 2.6K | 654 | 681 |
| 173 | Plastics | 110 | 2.6K | 52 | 87 |
| 174 | Lipids | 69 | 2.5K | 99 | 141 |
| 175 | Electronics | 201 | 2.5K | 236 | 467 |
| 176 | Agricultural Chemistry | 131 | 2.5K | 138 | 274 |
| 177 | Photonics | 68 | 2.5K | 302 | 354 |
| 178 | Psychiatry | 66 | 2.5K | 766 | 755 |
| 179 | Entomology | 169 | 2.5K | 104 | 199 |
| 180 | Biodiversity conservation | 11 | 2.4K | 757 | 448 |
| 181 | Inflammation | 47 | 2.4K | 76 | 73 |
| 182 | Quantum electronics | 161 | 2.4K | 69 | 126 |
| 183 | Numerical Analysis | 118 | 2.4K | 118 | 152 |
| 184 | Microelectronics | 34 | 2.4K | 431 | 322 |
| 185 | Systems Engineering | 70 | 2.3K | 200 | 176 |
| 186 | drug therapy | 59 | 2.3K | 367 | 300 |
| 187 | Hematology | 65 | 2.3K | 490 | 478 |
| 188 | Optoelectronic devices | 151 | 2.3K | 3 | 11 |
| 189 | Endocrinology | 58 | 2.3K | 560 | 624 |
| 190 | Climate change | 7 | 2.3K | 576 | 408 |
| 191 | Africa | 144 | 2.3K | 43 | 40 |
| 192 | mathematical analysis | 157 | 2.3K | 140 | 164 |
| 193 | Molecular structure | 197 | 2.3K | 38 | 300 |
| 194 | Atmospheric Physics | 44 | 2.2K | 326 | 305 |
| 195 | Economics | 53 | 2.2K | 1026 | 658 |
| 196 | Solitons | 68 | 2.2K | 39 | 35 |
| 196 | Fractals | 68 | 2.2K | 39 | 35 |
| 196 | Chaos | 68 | 2.2K | 39 | 35 |
| 199 | Astrophysics | 160 | 2.2K | 497 | 898 |
| 200 | Eutrophication | 4 | 2.2K | 752 | 416 |
| 201 | Entropy | 58 | 2.2K | 33 | 2 |
| 202 | Chromatography | 98 | 2.2K | 62 | 74 |
| 203 | Luminescence | 142 | 2.1K | 8 | 26 |
| 204 | Pathology | 67 | 2.1K | 351 | 407 |
| 205 | natural products | 121 | 2.1K | 57 | 153 |
| 206 | Biopharmaceutics | 64 | 2.1K | 51 | 88 |
| 207 | Virology | 51 | 2.1K | 577 | 760 |
| 208 | Obesity | 32 | 2.0K | 467 | 357 |
| 209 | Agriculture | 129 | 2.0K | 120 | 275 |
| 210 | Industrial Engineering | 63 | 2.0K | 216 | 231 |
| 211 | Tropical Medicine | 86 | 2.0K | 100 | 117 |
| 212 | Energy Storage | 58 | 2.0K | 113 | 151 |
| 213 | Electrochemical Analysis | 82 | 2.0K | 106 | 154 |
| 214 | gene mapping | 54 | 1.9K | 263 | 360 |
| 215 | Microbial Ecology | 40 | 1.9K | 487 | 563 |
| 216 | Immunotherapy | 65 | 1.9K | 208 | 338 |
| 217 | Biodiversity | 124 | 1.9K | 112 | 380 |
| 218 | Heat Exchangers | 43 | 1.9K | 159 | 146 |
| 219 | soil microbiology | 43 | 1.9K | 258 | 360 |
| 219 | city planning | 71 | 1.9K | 151 | 176 |
| 221 | Sustainable Development | 51 | 1.9K | 172 | 263 |
| 222 | Computational Biology | 65 | 1.9K | 324 | 449 |
| 223 | Critical Care Medicine | 12 | 1.9K | 580 | 375 |
| 224 | Sustainable Engineering | 46 | 1.9K | 219 | 251 |
| 225 | Immunity | 28 | 1.9K | 491 | 553 |
| 226 | Critical Care | 12 | 1.9K | 582 | 374 |
| 227 | fuel cells | 33 | 1.8K | 256 | 280 |
| 228 | Respiration | 41 | 1.8K | 290 | 244 |
| 229 | infection | 32 | 1.8K | 367 | 273 |
| 230 | Radiation | 188 | 1.8K | 29 | 201 |
| 231 | Mineral resources | 53 | 1.8K | 12 | 20 |
| 232 | Statistical physics | 90 | 1.8K | 673 | 778 |
| 233 | Parasitic Diseases | 50 | 1.8K | 253 | 251 |
| 234 | Geochemistry | 96 | 1.8K | 298 | 503 |
| 235 | biological factors | 75 | 1.8K | 121 | 247 |
| 236 | Statistics | 120 | 1.7K | 286 | 412 |
| 237 | Islamic Architecture | 58 | 1.7K | 1 | 1 |
| 238 | cytokines | 56 | 1.7K | 84 | 118 |
| 239 | Physical Chemistry | 157 | 1.7K | 117 | 485 |
| 240 | Mobile Computing | 56 | 1.7K | 104 | 113 |
| 241 | Atmospheric Chemistry | 28 | 1.7K | 263 | 264 |
| 241 | Drug design | 82 | 1.7K | 40 | 159 |
| 243 | Educational Technology | 43 | 1.7K | 180 | 139 |
| 244 | Electrophoresis | 62 | 1.7K | 146 | 163 |
| 245 | psychotherapy | 7 | 1.7K | 763 | 278 |
| 245 | Detectors | 42 | 1.7K | 207 | 121 |
| 247 | Industrial Microbiology | 63 | 1.7K | 165 | 362 |
| 248 | Environmental Geology | 74 | 1.7K | 77 | 170 |
| 249 | Radiation effects | 22 | 1.7K | 69 | 30 |
| 250 | Pediatrics | 56 | 1.7K | 379 | 482 |
| 251 | Clinical Psychology | 3 | 1.6K | 1082 | 306 |
| 252 | soil conservation | 30 | 1.6K | 66 | 21 |
| 253 | Food Preservation | 84 | 1.6K | 14 | 17 |
| 254 | health planning | 81 | 1.6K | 139 | 198 |
| 255 | Operations Research | 53 | 1.6K | 423 | 452 |
| 256 | Agricultural Ecology | 17 | 1.6K | 302 | 202 |
| 257 | Medical Technology | 58 | 1.6K | 107 | 162 |
| 258 | Mental Disorders | 29 | 1.6K | 739 | 642 |
| 259 | concrete | 31 | 1.5K | 187 | 234 |
| 260 | Immunopharmacology | 57 | 1.5K | 82 | 83 |
| 260 | Metals | 64 | 1.5K | 307 | 427 |
| 262 | Metabolic diseases | 41 | 1.5K | 483 | 598 |
| 263 | Mathematical Physics | 97 | 1.5K | 432 | 543 |
| 264 | Teaching | 64 | 1.5K | 200 | 242 |
| 265 | Diabetes | 47 | 1.5K | 383 | 517 |
| 266 | drug toxicity | 28 | 1.5K | 10 | 6 |
| 267 | Immunopathology | 44 | 1.5K | 211 | 231 |
| 268 | Chromosome mapping | 42 | 1.5K | 281 | 358 |
| 269 | management | 39 | 1.5K | 911 | 973 |
| 270 | Herbal medicine | 27 | 1.4K | 95 | 65 |
| 271 | Health | 51 | 1.4K | 330 | 343 |
| 272 | Communication | 29 | 1.4K | 557 | 415 |
| 273 | Host-parasite interactions | 64 | 1.4K | 117 | 372 |
| 274 | Sustainable agriculture | 15 | 1.4K | 187 | 60 |
| 275 | livestock | 85 | 1.4K | 23 | 28 |
| 276 | Thermodynamics | 74 | 1.4K | 54 | 54 |
| 277 | Drug targeting | 37 | 1.4K | 7 | 12 |
| 277 | Reproduction | 54 | 1.4K | 404 | 458 |
| 279 | Bioinorganic chemistry | 37 | 1.4K | 302 | 207 |
| 280 | Genetic engineering | 57 | 1.4K | 257 | 477 |
| 281 | Oral Medicine | 97 | 1.4K | 7 | 12 |
| 282 | Health Services Research | 59 | 1.4K | 209 | 253 |
| 283 | Molecular Genetics | 32 | 1.4K | 449 | 480 |
| 284 | Cardiovascular system | 12 | 1.4K | 607 | 480 |
| 285 | Image Processing | 55 | 1.4K | 373 | 516 |
| 286 | Ceramic materials | 77 | 1.4K | 86 | 163 |
| 287 | Stem cells | 23 | 1.4K | 407 | 322 |
| 288 | animals | 101 | 1.3K | 49 | 93 |
| 289 | Educational Psychology | 9 | 1.3K | 795 | 334 |
| 290 | Petroleum Engineering | 71 | 1.3K | 75 | 97 |
| 291 | Obstetrics | 45 | 1.3K | 464 | 425 |
| 292 | Chronic diseases | 6 | 1.3K | 406 | 194 |
| 293 | Clinical Pharmacology | 41 | 1.3K | 195 | 179 |
| 294 | Soil Science | 48 | 1.3K | 282 | 397 |
| 295 | Condensed Matter | 69 | 1.3K | 790 | 906 |
| 296 | Fluid Mechanics | 46 | 1.3K | 261 | 262 |
| 297 | Allergy | 13 | 1.3K | 439 | 396 |
| 298 | Lightweight concrete | 19 | 1.3K | 93 | 110 |
| 299 | Cognitive Science | 53 | 1.3K | 178 | 351 |
| 300 | Environmental Microbiology | 30 | 1.3K | 266 | 360 |
| 301 | Process Control | 24 | 1.3K | 189 | 241 |
| 302 | Social Sciences | 112 | 1.3K | 321 | 542 |
| 303 | Hypertension | 9 | 1.3K | 723 | 501 |
| 304 | dietary supplements | 32 | 1.3K | 63 | 64 |
| 305 | Agronomy | 7 | 1.3K | 213 | 97 |
| 306 | Protozoa | 66 | 1.2K | 11 | 64 |
| 307 | Diabetes mellitus | 40 | 1.2K | 393 | 541 |
| 308 | Asia | 71 | 1.2K | 218 | 261 |
| 309 | Aquaculture | 67 | 1.2K | 176 | 285 |
| 310 | Primary health care | 47 | 1.2K | 258 | 259 |
| 310 | Chemical industry | 45 | 1.2K | 169 | 114 |
| 312 | Measurement | 57 | 1.2K | 101 | 130 |
| 313 | Minerals | 67 | 1.2K | 11 | 51 |
| 314 | Psychology | 73 | 1.2K | 882 | 1089 |
| 315 | Organometallic compounds | 96 | 1.2K | 48 | 233 |
| 316 | Production Management | 23 | 1.2K | 312 | 401 |
| 317 | soil pollution | 19 | 1.2K | 56 | 16 |
| 318 | Small Business | 6 | 1.2K | 506 | 260 |
| 319 | Infections | 13 | 1.2K | 419 | 295 |
| 320 | Human-Computer Interaction | 42 | 1.2K | 166 | 214 |
| 321 | Biosensors | 18 | 1.2K | 415 | 379 |
| 322 | Environmental Geochemistry | 65 | 1.2K | 3 | 10 |
| 323 | energy resources | 22 | 1.2K | 366 | 450 |
| 324 | Developmental Biology | 22 | 1.2K | 617 | 606 |
| 325 | Zoology | 108 | 1.2K | 241 | 487 |
| 326 | Phytotherapy | 28 | 1.2K | 42 | 35 |
| 327 | Neurophysiology | 36 | 1.2K | 761 | 867 |
| 328 | Zeolites | 27 | 1.2K | 166 | 155 |
| 329 | Urology | 15 | 1.1K | 610 | 362 |
| 330 | India | 94 | 1.1K | 36 | 25 |
| 331 | Muscles | 13 | 1.1K | 303 | 171 |
| 332 | Molecular ecology | 11 | 1.1K | 512 | 371 |
| 333 | Dentistry | 63 | 1.1K | 65 | 73 |
| 334 | Dermatology | 58 | 1.1K | 267 | 357 |
| 335 | Plant Genetics | 12 | 1.1K | 265 | 202 |
| 336 | Bioelectronics | 16 | 1.1K | 362 | 348 |
| 336 | pharmaceutical industry | 64 | 1.1K | 9 | 17 |
| 338 | Environmental Law | 9 | 1.1K | 542 | 369 |
| 339 | Insects | 67 | 1.1K | 114 | 237 |
| 340 | Tribology | 28 | 1.1K | 250 | 179 |
| 341 | Quality Control | 35 | 1.1K | 242 | 251 |
| 342 | Geography | 69 | 1.1K | 287 | 496 |
| 343 | Carbon | 17 | 1.1K | 446 | 430 |
| 344 | particles | 46 | 1.1K | 71 | 81 |
| 345 | Calorimetry | 48 | 1.1K | 91 | 86 |
| 345 | Thermal analysis | 48 | 1.1K | 91 | 86 |
| 347 | pain | 17 | 1.0K | 460 | 360 |
| 348 | Nursing | 64 | 1.0K | 201 | 247 |
| 349 | Bone diseases | 21 | 1.0K | 75 | 133 |
| 350 | bioluminescence | 114 | 1.0K | 1 | 1 |
| 351 | Cell death | 13 | 1.0K | 485 | 413 |
| 352 | Magnetic Materials | 33 | 1.0K | 341 | 324 |
| 353 | Nanochemistry | 41 | 1.0K | 89 | 82 |
| 354 | Combustion | 34 | 1.0K | 277 | 282 |
| 355 | Sarcopenia | 5 | 993 | 232 | 63 |
| 356 | Neurochemistry | 38 | 990 | 602 | 718 |
| 357 | Food additives | 32 | 976 | 164 | 265 |
| 358 | Safety management | 46 | 974 | 11 | 12 |
| 359 | Industrial Safety | 40 | 963 | 135 | 170 |
| 360 | big data | 29 | 953 | 23 | 38 |
| 361 | sanitation | 12 | 948 | 676 | 650 |
| 362 | Energy Consumption | 8 | 946 | 171 | 81 |
| 363 | Recombinant DNA | 45 | 943 | 180 | 301 |
| 364 | Toxins | 47 | 940 | 44 | 98 |
| 365 | pain management | 13 | 938 | 193 | 77 |
| 366 | Hydrology | 36 | 931 | 578 | 661 |
| 366 | Brain | 34 | 931 | 761 | 854 |
| 368 | biomedicine | 12 | 927 | 116 | 39 |
| 369 | Cell differentiation | 13 | 921 | 657 | 609 |
| 370 | Egypt | 36 | 915 | 36 | 44 |
| 371 | Molecular cloning | 43 | 913 | 162 | 284 |
| 372 | Genetic recombination | 42 | 909 | 160 | 279 |
| 373 | Light | 10 | 908 | 446 | 434 |
| 374 | Microscopy | 95 | 893 | 38 | 213 |
| 375 | Parasites | 54 | 890 | 153 | 299 |
| 376 | Immune system | 20 | 880 | 258 | 444 |
| 377 | econometric models | 13 | 878 | 139 | 54 |
| 378 | Population Genetics | 9 | 876 | 632 | 415 |
| 379 | Histology | 31 | 873 | 467 | 539 |
| 380 | calcification | 7 | 871 | 285 | 116 |
| 381 | Nervous system | 27 | 870 | 701 | 781 |
| 382 | rehabilitation | 57 | 865 | 297 | 556 |
| 383 | Mechanics | 50 | 859 | 147 | 204 |
| 384 | Global Health | 50 | 858 | 89 | 115 |
| 385 | Physical organic chemistry | 34 | 853 | 246 | 263 |
| 386 | Rheumatology | 14 | 850 | 433 | 367 |
| 387 | cell interaction | 18 | 841 | 302 | 270 |
| 387 | finance | 29 | 841 | 677 | 623 |
| 389 | genome | 21 | 833 | 419 | 574 |
| 390 | food handling | 20 | 831 | 181 | 172 |
| 391 | Child | 45 | 828 | 443 | 574 |
| 392 | Medical Laboratory Science | 27 | 826 | 533 | 697 |
| 393 | Chemical analysis | 21 | 818 | 257 | 209 |
| 394 | Water quality management | 43 | 817 | 249 | 335 |
| 394 | Plant tissue culture | 14 | 817 | 197 | 99 |
| 394 | Plant cell culture | 14 | 817 | 163 | 98 |
| 397 | Humanities | 97 | 816 | 20 | 123 |
| 398 | Metallurgy | 56 | 814 | 401 | 619 |
| 399 | Immunochemistry | 27 | 811 | 170 | 162 |
| 400 | Multivariate Analysis | 9 | 808 | 275 | 91 |
| 401 | Microstructure | 33 | 801 | 70 | 35 |
| 402 | Bioinformatics | 30 | 798 | 513 | 621 |
| 402 | Granular materials | 26 | 798 | 65 | 57 |
| 404 | Sociology | 64 | 789 | 486 | 796 |
| 405 | Chemotherapy | 21 | 781 | 376 | 329 |
| 406 | water reuse | 43 | 775 | 3 | 22 |
| 407 | Horticulture | 32 | 773 | 101 | 79 |
| 408 | Microbial Biotechnology | 35 | 769 | 57 | 138 |
| 408 | plant communities | 10 | 769 | 556 | 435 |
| 410 | Vaccines | 22 | 766 | 483 | 436 |
| 411 | Clinical Biochemistry | 28 | 765 | 233 | 273 |
| 412 | venom | 31 | 760 | 81 | 111 |
| 413 | Fiber Optics | 34 | 757 | 199 | 211 |
| 414 | Data Mining | 34 | 756 | 224 | 443 |
| 414 | Engineering Geology | 26 | 756 | 377 | 416 |
| 416 | Molecular evolution | 33 | 754 | 308 | 523 |
| 417 | hydrocolloids | 15 | 753 | 200 | 263 |
| 418 | Crystal growth | 17 | 749 | 327 | 222 |
| 419 | Civil Engineering | 54 | 747 | 194 | 171 |
| 419 | Biodegradation | 10 | 747 | 252 | 97 |
| 421 | Structural Equation Modeling | 5 | 745 | 78 | 42 |
| 421 | Steroids | 24 | 745 | 232 | 220 |
| 423 | Neuropsychology | 30 | 741 | 656 | 734 |
| 424 | Radioisotopes | 57 | 737 | 82 | 123 |
| 425 | Molecules | 57 | 728 | 256 | 423 |
| 426 | Microwaves | 52 | 726 | 267 | 307 |
| 427 | Clinical Immunology | 20 | 725 | 333 | 314 |
| 428 | Computer Graphics | 48 | 724 | 285 | 485 |
| 429 | Transportation | 23 | 722 | 500 | 521 |
| 430 | Oxidative stress | 15 | 719 | 208 | 317 |
| 431 | Meteorology | 26 | 718 | 661 | 831 |
| 431 | Smart Materials | 26 | 718 | 164 | 201 |
| 433 | toxicity testing | 30 | 716 | 38 | 67 |
| 434 | Bioremediation | 20 | 714 | 93 | 119 |
| 435 | Fluid Dynamics | 26 | 713 | 289 | 289 |
| 436 | Sports Medicine | 24 | 709 | 820 | 737 |
| 437 | Ceramics | 45 | 705 | 210 | 342 |
| 437 | Remote Sensing | 28 | 705 | 313 | 240 |
| 437 | Electromagnetism | 14 | 705 | 399 | 225 |
| 440 | Optical Communications | 32 | 703 | 109 | 109 |
| 441 | Anatomy | 34 | 700 | 491 | 597 |
| 442 | Biomass | 20 | 699 | 99 | 165 |
| 442 | Fluorescence | 63 | 699 | 1 | 11 |
| 444 | free radicals | 17 | 696 | 473 | 587 |
| 445 | Medical Anthropology | 19 | 694 | 384 | 450 |
| 446 | vibration | 34 | 691 | 202 | 313 |
| 447 | environmental remediation | 42 | 689 | 3 | 19 |
| 448 | food industry | 48 | 688 | 26 | 52 |
| 449 | Structural Engineering | 39 | 686 | 361 | 500 |
| 450 | Evidence-Based Medicine | 16 | 684 | 177 | 100 |
| 451 | Occupational Health | 37 | 683 | 137 | 207 |
| 451 | Signal Transduction | 27 | 683 | 323 | 577 |
| 453 | Thermochemistry | 18 | 680 | 139 | 86 |
| 454 | Quality of life | 21 | 679 | 356 | 423 |
| 455 | Functional Analysis | 41 | 677 | 226 | 295 |
| 455 | occupational diseases | 21 | 677 | 176 | 204 |
| 457 | Liquid chromatography | 74 | 672 | 5 | 10 |
| 458 | Adolescent | 25 | 670 | 565 | 581 |
| 459 | Cytogenetics | 12 | 664 | 576 | 552 |
| 460 | Geriatric Oncology | 10 | 662 | 208 | 118 |
| 461 | Telecommunications | 36 | 660 | 34 | 58 |
| 462 | Cloud Computing | 15 | 657 | 55 | 36 |
| 463 | Nonlinear functional analysis | 29 | 655 | 209 | 191 |
| 464 | Agricultural Science | 11 | 654 | 71 | 96 |
| 465 | industrial hygiene | 34 | 653 | 120 | 87 |
| 466 | Adolescent Medicine | 3 | 652 | 489 | 268 |
| 467 | Chemical processes | 26 | 648 | 75 | 76 |
| 468 | Power Electronics | 16 | 644 | 442 | 452 |
| 469 | Neurotoxicology | 13 | 642 | 144 | 117 |
| 470 | Psychophysiology | 15 | 641 | 1196 | 1093 |
| 471 | Drug delivery devices | 10 | 640 | 33 | 39 |
| 471 | Traditional medicine | 16 | 640 | 20 | 35 |
| 473 | Economic History | 51 | 639 | 637 | 895 |
| 474 | food contamination | 41 | 638 | 61 | 132 |
| 475 | Soil Mechanics | 18 | 637 | 410 | 391 |
| 476 | Anthropology | 17 | 636 | 578 | 365 |
| 476 | Software Engineering | 26 | 636 | 227 | 295 |
| 478 | Chromosomes | 24 | 628 | 184 | 283 |
| 479 | Analytical Biochemistry | 46 | 626 | 199 | 476 |
| 479 | Population | 26 | 626 | 156 | 239 |
| 481 | Computational Complexity | 17 | 624 | 261 | 82 |
| 482 | Microorganisms | 39 | 622 | 112 | 443 |
| 482 | energy development | 26 | 622 | 95 | 326 |
| 484 | Oncogenes | 9 | 621 | 536 | 555 |
| 485 | Bacteriology | 36 | 619 | 447 | 797 |
| 486 | Travel | 13 | 614 | 241 | 130 |
| 487 | Animal Behavior | 14 | 613 | 820 | 791 |
| 488 | Europe | 26 | 612 | 936 | 865 |
| 488 | Breeding | 41 | 612 | 203 | 369 |
| 490 | Asthma | 18 | 611 | 135 | 100 |
| 491 | Geodesy | 38 | 610 | 58 | 113 |
| 492 | Soil ecology | 13 | 605 | 279 | 259 |
| 493 | textile fibers | 20 | 603 | 83 | 45 |
| 494 | Ethnobotany | 14 | 601 | 20 | 37 |
| 494 | ethnobiology | 14 | 601 | 26 | 39 |
| 494 | Ethnomedicine | 14 | 601 | 20 | 37 |
| 497 | Embryology | 8 | 599 | 803 | 628 |
| 498 | Physical Therapy | 21 | 595 | 359 | 424 |
| 498 | Conservation Biology | 7 | 595 | 690 | 405 |
| 500 | Phytochemistry | 40 | 591 | 2 | 19 |
| 500 | Phytoremediation | 40 | 591 | 2 | 19 |
| 500 | Bioreactors | 40 | 591 | 2 | 19 |
| 503 | Hormones | 18 | 589 | 434 | 458 |
| 504 | Adhesion | 38 | 585 | 26 | 70 |
| 504 | adhesives | 38 | 585 | 32 | 71 |
| 506 | Forest Ecology | 16 | 584 | 376 | 389 |
| 506 | Water Microbiology | 10 | 584 | 112 | 58 |
| 508 | Virulence | 5 | 581 | 729 | 587 |
| 509 | silicon | 51 | 580 | 8 | 26 |
| 510 | Cellulose | 21 | 579 | 100 | 150 |
| 511 | Bacterial infections | 11 | 577 | 300 | 369 |
| 511 | Membranes | 14 | 577 | 781 | 802 |
| 513 | Urban Planning | 22 | 576 | 46 | 89 |
| 513 | community development | 22 | 576 | 96 | 95 |
| 513 | Housing | 22 | 576 | 71 | 116 |
| 513 | Interactive multimedia | 12 | 576 | 202 | 167 |
| 517 | Petroleum Geology | 39 | 575 | 56 | 149 |
| 518 | Energy Harvesting | 9 | 573 | 197 | 263 |
| 519 | solar cells | 28 | 571 | 122 | 314 |
| 520 | biochemical markers | 34 | 570 | 30 | 62 |
| 521 | Neurobiology | 10 | 568 | 840 | 777 |
| 522 | Cell metabolism | 31 | 567 | 64 | 442 |
| 523 | Engineering Mathematics | 52 | 566 | 239 | 456 |
| 524 | Growth | 4 | 564 | 836 | 573 |
| 525 | Earthquake Engineering | 17 | 557 | 561 | 540 |
| 526 | Diagnostic Imaging | 32 | 556 | 405 | 593 |
| 527 | Quantum Gravity | 38 | 555 | 772 | 960 |
| 528 | multimedia | 11 | 553 | 203 | 167 |
| 529 | Bones | 8 | 551 | 383 | 321 |
| 530 | Interfaces | 11 | 550 | 63 | 22 |
| 531 | Medical innovations | 11 | 546 | 358 | 523 |
| 532 | Access to Information | 18 | 543 | 6 | 55 |
| 532 | Information dissemination | 18 | 543 | 6 | 55 |
| 534 | Fixed Point Theory | 26 | 539 | 15 | 12 |
| 535 | Fuzzy systems | 51 | 537 | 121 | 275 |
| 536 | Nuclear Engineering | 39 | 533 | 332 | 338 |
| 537 | Entrepreneurship | 4 | 531 | 868 | 509 |
| 538 | Intelligent Control Systems | 36 | 527 | 105 | 125 |
| 538 | Developing countries | 22 | 527 | 679 | 756 |
| 540 | Parenteral nutrition | 9 | 524 | 458 | 385 |
| 541 | Cellular senescence | 9 | 515 | 54 | 151 |
| 542 | Anti-inflammatory agents | 20 | 513 | 25 | 31 |
| 543 | Climatology | 27 | 512 | 487 | 740 |
| 544 | Animal breeding | 35 | 509 | 156 | 237 |
| 545 | Boundary Value Problems | 48 | 508 | 66 | 184 |
| 545 | Heterocyclic compounds | 38 | 508 | 105 | 104 |
| 547 | Geodynamics | 27 | 504 | 244 | 408 |
| 548 | Simulation Methods | 53 | 503 | 21 | 140 |
| 549 | Mineralogy | 24 | 501 | 467 | 530 |
| 549 | Library Science | 20 | 501 | 189 | 83 |
| 551 | Enteral nutrition | 8 | 499 | 400 | 337 |
| 552 | Systems Analysis | 13 | 495 | 424 | 245 |
| 552 | Hearing | 19 | 495 | 199 | 194 |
| 552 | Fouling | 6 | 495 | 99 | 44 |
| 555 | Audiology | 20 | 494 | 225 | 235 |
| 555 | Computer Vision | 21 | 494 | 318 | 523 |
| 557 | Paleontology | 27 | 490 | 369 | 415 |
| 557 | Apoptosis | 7 | 490 | 91 | 37 |
| 557 | neurotoxins | 7 | 490 | 91 | 37 |
| 557 | Neurotoxic agents | 7 | 490 | 91 | 37 |
| 557 | Biomechanics | 27 | 490 | 308 | 497 |
| 557 | Nerve regeneration | 7 | 490 | 91 | 37 |
| 563 | Cybernetics | 11 | 487 | 795 | 663 |
| 564 | Functional foods | 7 | 486 | 152 | 63 |
| 565 | soil management | 9 | 485 | 242 | 218 |
| 566 | Plant hormones | 14 | 484 | 57 | 64 |
| 567 | Land use | 16 | 483 | 345 | 408 |
| 568 | Stochastic Processes | 22 | 478 | 176 | 154 |
| 568 | Geographic information systems | 24 | 478 | 197 | 192 |
| 570 | solar power | 24 | 475 | 121 | 338 |
| 570 | Recycling | 5 | 475 | 412 | 357 |
| 572 | Otolaryngology | 29 | 473 | 99 | 163 |
| 572 | Tourism | 11 | 473 | 797 | 794 |
| 574 | International Finance | 15 | 470 | 718 | 655 |
| 575 | Medical Oncology | 32 | 469 | 389 | 698 |
| 576 | Glass | 22 | 468 | 296 | 381 |
| 576 | Women's health | 28 | 468 | 227 | 318 |
| 578 | Pregnancy | 12 | 467 | 282 | 216 |
| 579 | nucleic acids | 14 | 462 | 703 | 855 |
| 580 | Public Policy | 13 | 461 | 744 | 651 |
| 581 | Learning | 13 | 460 | 594 | 535 |
| 582 | Control Theory | 23 | 459 | 608 | 634 |
| 582 | Ethnology | 26 | 459 | 329 | 298 |
| 584 | Astronomy | 37 | 458 | 907 | 1318 |
| 585 | starch | 19 | 455 | 53 | 70 |
| 585 | synthesis | 37 | 455 | 91 | 136 |
| 587 | Nitric oxide | 3 | 449 | 242 | 42 |
| 588 | Decision making | 12 | 448 | 608 | 522 |
| 589 | Hydrogeology | 8 | 446 | 341 | 169 |
| 589 | pottery | 16 | 446 | 360 | 384 |
| 591 | Porous materials | 27 | 445 | 82 | 122 |
| 592 | clay | 9 | 444 | 384 | 330 |
| 593 | Nuclear Energy | 28 | 443 | 220 | 256 |
| 594 | Animal health | 33 | 442 | 62 | 61 |
| 595 | Cell communication | 6 | 441 | 330 | 233 |
| 596 | tillage | 6 | 440 | 245 | 198 |
| 597 | Health Information Management | 2 | 439 | 433 | 231 |
| 597 | land degradation | 14 | 439 | 80 | 102 |
| 597 | degradation | 14 | 439 | 80 | 102 |
| 600 | Andrology | 3 | 436 | 536 | 163 |
| 601 | Cardiovascular diseases | 18 | 434 | 542 | 586 |
| 602 | Mutagenesis | 29 | 432 | 16 | 63 |
| 602 | Physical fitness | 6 | 432 | 704 | 422 |
| 604 | Linguistics | 17 | 431 | 523 | 436 |
| 604 | Wireless Communication | 23 | 431 | 26 | 35 |
| 606 | Pediatric Neurology | 9 | 429 | 453 | 536 |
| 606 | voice | 17 | 429 | 116 | 108 |
| 608 | Social Psychology | 27 | 428 | 660 | 996 |
| 608 | behavioral medicine | 15 | 428 | 465 | 653 |
| 608 | mycoses | 20 | 428 | 168 | 433 |
| 611 | drug development | 26 | 425 | 150 | 536 |
| 612 | Soil biology | 8 | 424 | 543 | 564 |
| 613 | Androgens | 2 | 423 | 262 | 79 |
| 614 | Animal Nutrition | 30 | 420 | 112 | 186 |
| 614 | Radiochemistry | 51 | 420 | 99 | 214 |
| 616 | Marine Geology | 28 | 415 | 91 | 200 |
| 616 | animal diseases | 25 | 415 | 96 | 132 |
| 618 | cell physiology | 11 | 414 | 681 | 781 |
| 619 | Music | 16 | 412 | 259 | 186 |
| 620 | disabilities | 22 | 407 | 145 | 208 |
| 620 | Catalysts | 35 | 407 | 58 | 192 |
| 622 | Plant Biotechnology | 24 | 405 | 132 | 280 |
| 622 | Computer-Aided Design | 19 | 405 | 346 | 411 |
| 624 | Mental illness | 10 | 403 | 882 | 931 |
| 625 | Osteoporosis | 18 | 402 | 38 | 68 |
| 626 | Radio | 17 | 401 | 570 | 682 |
| 627 | Nuclear Chemistry | 46 | 398 | 126 | 280 |
| 627 | Geomagnetism | 11 | 398 | 297 | 274 |
| 629 | Antibacterial agents | 13 | 397 | 186 | 237 |
| 629 | Business | 9 | 397 | 1271 | 1243 |
| 629 | Metallography | 15 | 397 | 262 | 273 |
| 629 | Phylogeny | 9 | 397 | 434 | 466 |
| 633 | Imaging systems | 21 | 396 | 114 | 99 |
| 634 | Biomarkers | 30 | 395 | 17 | 55 |
| 635 | carcinogens | 24 | 394 | 186 | 431 |
| 636 | Fracture mechanics | 20 | 393 | 519 | 589 |
| 637 | health services | 20 | 390 | 280 | 339 |
| 638 | Bioenergetics | 6 | 389 | 544 | 401 |
| 638 | amino acids | 8 | 389 | 245 | 167 |
| 640 | Geomorphology | 12 | 387 | 678 | 766 |
| 640 | Computational Fluid Dynamics | 8 | 387 | 337 | 204 |
| 642 | Occupational Therapy | 33 | 384 | 169 | 180 |
| 643 | DNA polymerases | 2 | 383 | 424 | 344 |
| 644 | Ocean Engineering | 14 | 379 | 782 | 801 |
| 644 | proteins | 28 | 379 | 544 | 840 |
| 646 | Crystallography | 163 | 377 | 32 | 396 |
| 647 | Ubiquitous computing | 20 | 376 | 4 | 7 |
| 648 | commerce | 8 | 371 | 916 | 687 |
| 649 | Serology | 26 | 370 | 37 | 122 |
| 650 | Surgery | 22 | 369 | 480 | 825 |
| 650 | Pesticides | 34 | 369 | 65 | 145 |
| 652 | disease vectors | 12 | 366 | 377 | 368 |
| 653 | Rock Mechanics | 11 | 361 | 432 | 445 |
| 653 | Psycholinguistics | 8 | 361 | 552 | 486 |
| 655 | Australia | 29 | 359 | 351 | 584 |
| 655 | Liver diseases | 19 | 359 | 486 | 754 |
| 657 | Genetic testing | 28 | 356 | 8 | 16 |
| 657 | Developmental Immunology | 6 | 356 | 366 | 258 |
| 659 | Quantum Optics | 29 | 355 | 161 | 298 |
| 660 | ovary | 10 | 353 | 47 | 34 |
| 660 | diseases | 18 | 353 | 39 | 441 |
| 662 | enzymes | 14 | 348 | 615 | 716 |
| 663 | Archaeology | 12 | 346 | 629 | 490 |
| 663 | Child Development | 12 | 346 | 874 | 930 |
| 665 | Cosmology | 30 | 343 | 90 | 286 |
| 665 | nuclear astrophysics | 30 | 343 | 61 | 233 |
| 667 | Health Policy | 18 | 342 | 744 | 886 |
| 668 | irrigation | 15 | 341 | 78 | 79 |
| 669 | Ecological Engineering | 5 | 340 | 456 | 305 |
| 670 | Socioeconomic Factors | 6 | 336 | 478 | 299 |
| 671 | Forest Management | 5 | 333 | 738 | 509 |
| 672 | Nanobiotechnology | 7 | 332 | 175 | 246 |
| 673 | Histochemistry | 18 | 331 | 327 | 420 |
| 674 | environmental indicators | 9 | 326 | 601 | 685 |
| 674 | Seaweed | 20 | 326 | 141 | 307 |
| 676 | Agricultural Engineering | 10 | 325 | 162 | 162 |
| 676 | Structural design | 14 | 325 | 274 | 341 |
| 678 | Developmental Disabilities | 12 | 324 | 429 | 523 |
| 679 | Genetic Toxicology | 15 | 323 | 66 | 210 |
| 680 | Materials Engineering | 29 | 317 | 55 | 130 |
| 681 | preventive medicine | 17 | 316 | 387 | 612 |
| 682 | Edible plants | 4 | 315 | 140 | 50 |
| 682 | World Wide Web | 16 | 315 | 51 | 70 |
| 684 | Robotics | 21 | 314 | 569 | 831 |
| 684 | water supply | 6 | 314 | 566 | 509 |
| 686 | scientific societies | 11 | 310 | 284 | 284 |
| 687 | Spine | 6 | 308 | 400 | 353 |
| 688 | Antenna Arrays | 4 | 306 | 470 | 253 |
| 688 | Biogeochemistry | 14 | 306 | 454 | 685 |
| 690 | probabilities | 37 | 304 | 328 | 464 |
| 691 | Hippocampus | 4 | 303 | 241 | 186 |
| 691 | Marine algae | 19 | 303 | 13 | 14 |
| 693 | Reproductive health | 6 | 302 | 453 | 294 |
| 694 | data protection | 17 | 300 | 74 | 124 |
| 695 | Radiobiology | 12 | 299 | 546 | 612 |
| 696 | health services accessibility | 6 | 298 | 588 | 392 |
| 697 | Energy metabolism | 2 | 296 | 646 | 383 |
| 697 | cell membrane | 2 | 296 | 600 | 369 |
| 699 | sustainability | 12 | 295 | 302 | 557 |
| 700 | Animal husbandry | 18 | 294 | 48 | 92 |
| 700 | cell adhesion molecules | 3 | 294 | 157 | 117 |
| 700 | men | 10 | 294 | 68 | 67 |
| 700 | marketing | 12 | 294 | 986 | 1136 |
| 700 | Japan | 23 | 294 | 437 | 596 |
| 705 | bioclimatology | 19 | 293 | 185 | 389 |
| 705 | global environmental change | 5 | 293 | 556 | 530 |
| 707 | Distance Education | 2 | 292 | 469 | 140 |
| 708 | Orthopedics | 29 | 291 | 387 | 653 |
| 708 | Molecular Pharmacology | 7 | 291 | 471 | 487 |
| 710 | natural disasters | 19 | 290 | 315 | 653 |
| 711 | plasticity | 4 | 288 | 269 | 254 |
| 712 | Neuroimmunology | 5 | 287 | 461 | 457 |
| 713 | Carcinogenesis | 15 | 286 | 303 | 533 |
| 714 | Psychoneuroimmunology | 4 | 284 | 458 | 420 |
| 714 | Mass Spectrometry | 10 | 284 | 572 | 554 |
| 716 | mutation | 5 | 283 | 396 | 332 |
| 717 | Geothermal Energy | 4 | 276 | 185 | 80 |
| 717 | Planets | 10 | 276 | 803 | 975 |
| 719 | older people | 8 | 274 | 897 | 534 |
| 720 | aromatic plants | 37 | 269 | 10 | 24 |
| 721 | viruses | 15 | 265 | 507 | 855 |
| 721 | impact | 3 | 265 | 292 | 177 |
| 723 | Ethology | 4 | 264 | 1176 | 1010 |
| 724 | Radiation Protection | 35 | 260 | 42 | 105 |
| 725 | Radiology | 20 | 259 | 417 | 522 |
| 725 | Health Services Administration | 10 | 259 | 418 | 436 |
| 727 | Proteome | 7 | 258 | 660 | 694 |
| 728 | Molecular recognition | 18 | 256 | 10 | 52 |
| 728 | drug resistance | 11 | 256 | 214 | 330 |
| 730 | atmosphere | 9 | 254 | 364 | 401 |
| 730 | Allergies | 3 | 254 | 108 | 41 |
| 732 | Microprocessors | 14 | 252 | 176 | 156 |
| 732 | natural gas | 22 | 252 | 78 | 176 |
| 734 | Dynamics | 20 | 250 | 520 | 656 |
| 735 | Petrology | 14 | 249 | 462 | 614 |
| 736 | Elderly | 5 | 248 | 874 | 326 |
| 736 | Emulsions | 19 | 248 | 54 | 63 |
| 736 | Human biology | 10 | 248 | 284 | 245 |
| 739 | North America | 8 | 245 | 408 | 298 |
| 739 | mutagens | 11 | 245 | 318 | 524 |
| 739 | software | 11 | 245 | 437 | 670 |
| 742 | peptides | 13 | 244 | 222 | 252 |
| 743 | arthritis | 6 | 243 | 661 | 728 |
| 744 | Green Technology | 17 | 242 | 35 | 110 |
| 744 | curriculum evaluation | 3 | 242 | 384 | 147 |
| 746 | Hospitality industry | 6 | 240 | 203 | 154 |
| 746 | Cognition | 14 | 240 | 775 | 977 |
| 748 | Logistics | 3 | 239 | 567 | 379 |
| 748 | biological agents | 39 | 239 | 23 | 28 |
| 750 | Geriatric Pharmacology | 3 | 237 | 255 | 128 |
| 750 | Health Education | 16 | 237 | 695 | 891 |
| 752 | Reproductive toxicology | 9 | 235 | 145 | 228 |
| 753 | Water chemistry | 12 | 234 | 39 | 64 |
| 754 | Water quality | 11 | 233 | 32 | 45 |
| 754 | bees | 13 | 233 | 119 | 196 |
| 756 | pigments | 17 | 232 | 237 | 442 |
| 757 | Ergonomics | 13 | 230 | 389 | 454 |
| 757 | radiation monitoring | 29 | 230 | 54 | 108 |
| 759 | Proteomics | 6 | 229 | 686 | 690 |
| 760 | Food Microbiology | 13 | 227 | 483 | 939 |
| 761 | Agricultural Biotechnology | 22 | 225 | 33 | 31 |
| 762 | Fisheries | 10 | 224 | 815 | 888 |
| 763 | Evolutionary Computation | 4 | 223 | 372 | 400 |
| 763 | isomerism | 16 | 223 | 50 | 105 |
| 763 | Chirality | 16 | 223 | 50 | 105 |
| 766 | Radio wave propagation | 18 | 219 | 206 | 285 |
| 766 | Social Change | 7 | 219 | 630 | 927 |
| 766 | Radiation dosimetry | 28 | 219 | 36 | 77 |
| 769 | Greenhouse gases | 4 | 217 | 220 | 209 |
| 770 | Highway Engineering | 7 | 216 | 200 | 160 |
| 771 | Hematopoietic stem cell transplantation | 5 | 215 | 268 | 271 |
| 772 | Health insurance | 21 | 214 | 91 | 225 |
| 772 | individual differences | 2 | 214 | 378 | 210 |
| 774 | Technology Assessment | 7 | 213 | 140 | 307 |
| 775 | Dental Public Health | 11 | 210 | 54 | 55 |
| 775 | Kidney diseases | 9 | 210 | 431 | 514 |
| 777 | Hydraulic Engineering | 10 | 209 | 432 | 496 |
| 777 | Sensor Networks | 13 | 209 | 42 | 83 |
| 777 | gene therapy | 10 | 209 | 470 | 673 |
| 780 | Genetic algorithms | 2 | 208 | 407 | 325 |
| 780 | Extreme environments | 5 | 208 | 125 | 144 |
| 782 | Nanoelectronics | 9 | 207 | 402 | 279 |
| 782 | Religion and Psychology | 16 | 207 | 76 | 146 |
| 782 | teratogenic agents | 19 | 207 | 10 | 36 |
| 782 | Semiconductor industry | 9 | 207 | 281 | 222 |
| 786 | Applied Linguistics | 5 | 206 | 474 | 255 |
| 786 | machinery | 17 | 206 | 216 | 361 |
| 788 | Atomic spectroscopy | 20 | 204 | 360 | 597 |
| 789 | feeding behavior | 4 | 203 | 590 | 516 |
| 789 | Arthropods | 10 | 203 | 50 | 48 |
| 789 | rare diseases | 6 | 203 | 353 | 350 |
| 789 | Appetite | 4 | 203 | 520 | 463 |
| 793 | Special Education | 16 | 202 | 269 | 365 |
| 793 | Sports | 4 | 202 | 1720 | 1094 |
| 793 | plant viruses | 1 | 202 | 333 | 119 |
| 796 | Parallel Processing | 4 | 201 | 377 | 330 |
| 797 | Coastal zone management | 6 | 198 | 420 | 389 |
| 797 | Nanotubes | 7 | 198 | 65 | 17 |
| 799 | Mental Health | 15 | 197 | 595 | 840 |
| 799 | hazard mitigation | 14 | 197 | 254 | 547 |
| 801 | Contraception | 3 | 196 | 546 | 322 |
| 801 | Risk assessment | 13 | 196 | 126 | 236 |
| 801 | Exercise | 11 | 196 | 705 | 800 |
| 801 | Birth control | 3 | 196 | 412 | 260 |
| 805 | Radio waves | 11 | 195 | 446 | 602 |
| 806 | Plant breeding | 9 | 194 | 345 | 428 |
| 806 | body temperature | 11 | 194 | 133 | 216 |
| 808 | infrared radiation | 20 | 193 | 102 | 195 |
| 809 | Nonlinear Optics | 11 | 192 | 24 | 46 |
| 809 | Roads | 13 | 192 | 310 | 320 |
| 811 | Ichthyology | 7 | 191 | 233 | 131 |
| 811 | investigative techniques | 2 | 191 | 169 | 90 |
| 811 | Fish | 7 | 191 | 175 | 118 |
| 814 | Paleoclimatology | 12 | 190 | 532 | 800 |
| 814 | Plant Morphology | 8 | 190 | 285 | 284 |
| 816 | Supramolecular chemistry | 4 | 188 | 177 | 44 |
| 817 | Emergency Medicine | 24 | 187 | 348 | 602 |
| 818 | Child welfare | 14 | 186 | 396 | 584 |
| 818 | Genetic therapy | 8 | 186 | 549 | 710 |
| 820 | Korea | 28 | 185 | 41 | 80 |
| 821 | Diagnosis | 4 | 183 | 288 | 173 |
| 821 | Chemical kinetics | 33 | 183 | 46 | 205 |
| 823 | Seismology | 10 | 182 | 220 | 289 |
| 823 | personality | 18 | 182 | 578 | 1135 |
| 823 | plant oils | 11 | 182 | 94 | 114 |
| 826 | planning | 9 | 180 | 320 | 358 |
| 827 | Thrombosis | 16 | 179 | 374 | 642 |
| 827 | Bioavailability | 12 | 179 | 6 | 18 |
| 829 | Enzyme | 6 | 177 | 306 | 427 |
| 829 | Product life cycle | 1 | 177 | 548 | 211 |
| 829 | green products | 1 | 177 | 466 | 206 |
| 832 | Oceanography | 13 | 176 | 815 | 1129 |
| 833 | Leadership | 3 | 175 | 531 | 490 |
| 834 | Long-Term Care | 1 | 174 | 774 | 396 |
| 834 | Long-term care facilities | 1 | 174 | 767 | 394 |
| 836 | Animal ecology | 3 | 172 | 1089 | 772 |
| 836 | Hazardous waste | 4 | 172 | 809 | 956 |
| 836 | gastrointestinal tract | 1 | 172 | 552 | 338 |
| 839 | Petroleum | 19 | 169 | 50 | 87 |
| 839 | carbon monoxide | 5 | 169 | 201 | 281 |
| 841 | Autism | 10 | 168 | 326 | 536 |
| 842 | Industrial Design | 4 | 167 | 195 | 150 |
| 842 | optical devices | 10 | 167 | 171 | 240 |
| 842 | antibiotics | 4 | 167 | 151 | 111 |
| 845 | Cosmochemistry | 9 | 165 | 472 | 680 |
| 846 | Immunotoxicology | 6 | 163 | 139 | 98 |
| 846 | ecosystem | 9 | 163 | 696 | 1109 |
| 846 | Social work | 12 | 163 | 645 | 723 |
| 846 | Laser Spectroscopy | 18 | 163 | 243 | 443 |
| 850 | Genetic regulation | 5 | 162 | 728 | 809 |
| 850 | Birds | 12 | 162 | 538 | 597 |
| 852 | Waste management | 14 | 160 | 515 | 820 |
| 853 | Money | 2 | 159 | 463 | 280 |
| 854 | Biogeography | 6 | 157 | 672 | 906 |
| 854 | Human Geography | 37 | 157 | 219 | 670 |
| 854 | Hemostasis | 10 | 157 | 321 | 432 |
| 854 | Heart Failure | 1 | 157 | 489 | 318 |
| 858 | Pharmacogenetics | 7 | 156 | 495 | 649 |
| 858 | ground penetrating radar | 3 | 156 | 47 | 5 |
| 858 | cloning | 3 | 156 | 527 | 579 |
| 861 | Natural Sciences | 14 | 155 | 27 | 31 |
| 861 | Fishery management | 13 | 155 | 295 | 490 |
| 861 | Drying | 6 | 155 | 226 | 247 |
| 861 | environmental issues | 1 | 155 | 788 | 301 |
| 865 | Superconductors | 8 | 154 | 546 | 457 |
| 865 | Eating Disorders | 7 | 154 | 487 | 593 |
| 865 | Feeding and Eating Disorders | 7 | 154 | 469 | 570 |
| 868 | Optoelectronics | 17 | 153 | 116 | 158 |
| 868 | Substance Abuse | 10 | 153 | 698 | 886 |
| 868 | Chemical structure | 15 | 153 | 92 | 176 |
| 868 | Mites | 34 | 153 | 30 | 172 |
| 872 | histological techniques | 4 | 152 | 536 | 589 |
| 872 | Quantum theory | 8 | 152 | 629 | 622 |
| 874 | Soil dynamics | 4 | 151 | 442 | 367 |
| 875 | Telemedicine | 6 | 149 | 150 | 215 |
| 875 | Information management | 6 | 149 | 23 | 33 |
| 877 | Software Maintenance | 9 | 148 | 34 | 63 |
| 877 | Orthopedic Surgery | 17 | 148 | 200 | 449 |
| 877 | Cell survival | 4 | 148 | 134 | 156 |
| 877 | Capital market | 2 | 148 | 579 | 328 |
| 877 | molecular chaperones | 4 | 148 | 164 | 156 |
| 882 | Globalization | 5 | 147 | 394 | 354 |
| 882 | Sun | 8 | 147 | 190 | 241 |
| 882 | Intellectual disability | 14 | 147 | 316 | 512 |
| 882 | Solar System | 8 | 147 | 429 | 548 |
| 886 | emergency management | 7 | 146 | 353 | 489 |
| 886 | Multiple sclerosis | 9 | 146 | 249 | 267 |
| 886 | Gastrointestinal diseases | 11 | 146 | 198 | 349 |
| 889 | Morphology | 22 | 145 | 205 | 470 |
| 890 | primary prevention | 4 | 144 | 313 | 289 |
| 891 | Cochlear Implants | 4 | 143 | 53 | 29 |
| 891 | Adaptive control systems | 5 | 143 | 435 | 302 |
| 891 | Marine resources | 2 | 143 | 833 | 485 |
| 894 | Psychopharmacology | 6 | 142 | 903 | 1092 |
| 895 | Project Management | 6 | 141 | 146 | 369 |
| 895 | Product Design | 5 | 141 | 379 | 268 |
| 895 | Child psychology | 3 | 141 | 1278 | 1138 |
| 895 | libraries | 2 | 141 | 673 | 267 |
| 899 | Pharmacy management | 8 | 140 | 137 | 162 |
| 900 | Polymer Engineering | 13 | 139 | 7 | 13 |
| 900 | disease susceptibility | 2 | 139 | 52 | 38 |
| 900 | symptoms | 2 | 139 | 52 | 38 |
| 903 | Neuromuscular diseases | 8 | 138 | 304 | 426 |
| 903 | Therapeutics | 15 | 138 | 618 | 1156 |
| 905 | epilepsy | 10 | 137 | 428 | 604 |
| 905 | Sexual health | 15 | 137 | 214 | 424 |
| 905 | Sites | 3 | 137 | 529 | 498 |
| 908 | Malaria | 7 | 136 | 347 | 466 |
| 909 | Computational Linguistics | 12 | 135 | 112 | 183 |
| 909 | international cooperation | 17 | 135 | 149 | 450 |
| 911 | Law | 5 | 134 | 983 | 475 |
| 911 | Endocrine system | 15 | 134 | 224 | 159 |
| 911 | Aquatic ecology | 9 | 134 | 478 | 653 |
| 914 | Biological Systems | 14 | 133 | 98 | 405 |
| 914 | Eastern Europe | 3 | 133 | 912 | 307 |
| 914 | clay minerals | 3 | 133 | 272 | 236 |
| 914 | Information society | 5 | 133 | 56 | 78 |
| 914 | Acarology | 16 | 133 | 49 | 165 |
| 914 | Ticks | 16 | 133 | 49 | 165 |
| 914 | Acari | 16 | 133 | 49 | 165 |
| 921 | Public Administration | 3 | 132 | 1333 | 850 |
| 921 | Water Purification | 11 | 132 | 508 | 739 |
| 921 | coastal areas | 1 | 132 | 160 | 31 |
| 921 | coastal archaeology | 1 | 132 | 160 | 31 |
| 921 | islands | 1 | 132 | 160 | 31 |
| 921 | Digestive system diseases | 7 | 132 | 534 | 631 |
| 927 | Combinatorial optimization | 6 | 131 | 291 | 158 |
| 927 | Superconductivity | 5 | 131 | 344 | 237 |
| 927 | United Kingdom | 5 | 131 | 1015 | 1105 |
| 930 | Metallic Glasses | 4 | 130 | 370 | 338 |
| 930 | Knowledge management | 9 | 130 | 67 | 128 |
| 930 | magmatism | 10 | 130 | 4 | 3 |
| 933 | Algebra | 24 | 129 | 518 | 684 |
| 934 | Geriatric Psychiatry | 4 | 128 | 743 | 710 |
| 934 | Transgenic plants | 3 | 128 | 392 | 382 |
| 936 | Total Quality Management | 1 | 127 | 1079 | 368 |
| 937 | Information Theory | 7 | 125 | 931 | 1002 |
| 937 | Ecosystem management | 8 | 125 | 350 | 545 |
| 937 | Aquatic ecosystems | 8 | 125 | 56 | 52 |
| 940 | Organizational learning | 8 | 124 | 104 | 209 |
| 940 | Heterocyclic chemistry | 14 | 124 | 109 | 140 |
| 940 | Respiratory system | 4 | 124 | 434 | 470 |
| 940 | Cement | 3 | 124 | 551 | 693 |
| 944 | Computational Intelligence | 10 | 122 | 235 | 430 |
| 945 | Nutrition physiology | 4 | 120 | 586 | 624 |
| 945 | Technological Innovations | 9 | 120 | 484 | 886 |
| 945 | Mental Health Services | 9 | 120 | 591 | 851 |
| 945 | wood | 4 | 120 | 386 | 294 |
| 949 | Systems Biology | 9 | 119 | 755 | 1152 |
| 949 | Metabolic syndrome | 5 | 119 | 135 | 163 |
| 951 | cosmic rays | 6 | 118 | 271 | 258 |
| 952 | Molecular Microbiology | 2 | 117 | 869 | 879 |
| 952 | Demography | 3 | 117 | 631 | 546 |
| 952 | inscriptions | 14 | 117 | 8 | 10 |
| 952 | Genes | 10 | 117 | 518 | 875 |
| 956 | Dietetics | 3 | 116 | 551 | 403 |
| 956 | Quality Assurance | 3 | 116 | 324 | 176 |
| 956 | Happiness | 4 | 116 | 334 | 429 |
| 956 | alcoholism | 6 | 116 | 889 | 1079 |
| 960 | Respiratory Infections | 3 | 115 | 280 | 241 |
| 960 | supercritical fluids | 3 | 115 | 391 | 391 |
| 960 | Influenza | 3 | 115 | 190 | 176 |
| 963 | Veterinary Pathology | 15 | 114 | 99 | 198 |
| 963 | Research Design | 9 | 114 | 579 | 954 |
| 963 | Randomized Controlled Trials | 9 | 114 | 483 | 573 |
| 966 | X-ray spectroscopy | 5 | 113 | 126 | 93 |
| 966 | Gerontology | 8 | 113 | 1090 | 1194 |
| 966 | counseling | 8 | 113 | 756 | 918 |
| 969 | Methodology | 5 | 112 | 334 | 283 |
| 970 | Electromagnetic waves | 13 | 111 | 57 | 181 |
| 970 | Business Ethics | 2 | 111 | 1183 | 1220 |
| 970 | Groundwater | 6 | 111 | 335 | 458 |
| 970 | Invertebrates | 9 | 111 | 268 | 455 |
| 970 | electrocatalysis | 8 | 111 | 23 | 48 |
| 975 | Cross-Cultural Studies | 6 | 110 | 429 | 549 |
| 975 | economic policy | 6 | 110 | 1652 | 1445 |
| 977 | Behavioral research | 8 | 109 | 226 | 315 |
| 977 | herbs | 11 | 109 | 5 | 7 |
| 979 | Earthquakes | 8 | 108 | 186 | 250 |
| 979 | DNA repair | 3 | 108 | 249 | 255 |
| 979 | violence | 6 | 108 | 651 | 835 |
| 982 | Patient education | 5 | 106 | 392 | 544 |
| 983 | Visual Communication | 4 | 104 | 348 | 287 |
| 983 | Image enhancement | 4 | 104 | 269 | 262 |
| 985 | Geometry | 26 | 103 | 345 | 594 |
| 985 | Islam | 8 | 103 | 181 | 205 |
| 985 | industrial waste | 2 | 103 | 1048 | 1176 |
| 988 | Geotechnical Engineering | 4 | 102 | 379 | 371 |
| 988 | Computational Chemistry | 7 | 102 | 406 | 614 |
| 988 | Food service management | 3 | 102 | 418 | 603 |
| 988 | Integrative Medicine | 10 | 102 | 93 | 122 |
| 988 | Neuropharmacology | 5 | 102 | 405 | 513 |
| 988 | Neurons | 1 | 102 | 743 | 887 |
| 994 | radioactive waste | 1 | 101 | 1344 | 1191 |
| 994 | Climate | 6 | 101 | 321 | 576 |
| 994 | weather | 6 | 101 | 333 | 539 |
| 997 | Urban Policy | 5 | 100 | 629 | 843 |
| 997 | Evolutionary Genetics | 9 | 100 | 220 | 589 |
| 997 | Molecular Epidemiology | 9 | 100 | 220 | 589 |
| 997 | Expert Systems | 4 | 100 | 113 | 112 |