| 1 | Medicine | 1,080 | 38.8K | 281 | 383 |
| 2 | Astrophysics | 585 | 37.8K | 255 | 287 |
| 3 | Science | 1,017 | 37.6K | 307 | 528 |
| 4 | Psychiatry | 660 | 37.5K | 105 | 95 |
| 5 | Neurology | 817 | 35.6K | 188 | 253 |
| 6 | Chemistry | 585 | 34.5K | 674 | 537 |
| 7 | Biochemistry | 1,119 | 33.3K | 349 | 434 |
| 8 | Research | 1,035 | 32.2K | 210 | 262 |
| 9 | Astronomy | 805 | 31.0K | 165 | 250 |
| 10 | Biology | 782 | 29.3K | 371 | 615 |
| 11 | Physics | 896 | 28.4K | 459 | 718 |
| 12 | Public Health | 1,395 | 28.0K | 41 | 143 |
| 13 | Molecular Biology | 787 | 26.7K | 321 | 457 |
| 14 | Ecology | 454 | 22.3K | 320 | 379 |
| 15 | Toxicology | 519 | 19.2K | 73 | 79 |
| 16 | Microbiology | 539 | 18.0K | 296 | 436 |
| 17 | Pharmacology | 537 | 16.8K | 229 | 244 |
| 18 | Spectrum analysis | 381 | 16.4K | 273 | 360 |
| 19 | Neurochemistry | 468 | 15.8K | 26 | 68 |
| 20 | Environment | 175 | 15.4K | 458 | 370 |
| 21 | Catalysis | 349 | 14.7K | 210 | 252 |
| 22 | Botany | 635 | 14.5K | 84 | 260 |
| 23 | Brain | 355 | 14.2K | 90 | 135 |
| 24 | Neurophysiology | 361 | 13.6K | 130 | 206 |
| 25 | Biotechnology | 310 | 13.4K | 308 | 395 |
| 26 | Pollution | 271 | 13.2K | 335 | 398 |
| 27 | Mental Disorders | 209 | 13.0K | 160 | 152 |
| 28 | Polymers | 509 | 12.0K | 190 | 279 |
| 29 | Mental illness | 179 | 11.5K | 92 | 93 |
| 30 | Nutrition | 349 | 11.2K | 137 | 218 |
| 31 | Geology | 472 | 11.0K | 91 | 194 |
| 32 | Psychophysiology | 220 | 11.0K | 236 | 223 |
| 33 | Genetics | 281 | 10.7K | 202 | 322 |
| 34 | Latin America | 746 | 10.7K | 2 | 2 |
| 35 | Medical genetics | 236 | 10.5K | 167 | 230 |
| 36 | Chemical Engineering | 323 | 10.5K | 303 | 384 |
| 37 | transport vesicles | 1 | 10.3K | 406 | 160 |
| 38 | Cytology | 348 | 10.3K | 263 | 470 |
| 39 | Physiology | 327 | 9.7K | 231 | 318 |
| 40 | Earth Sciences | 456 | 9.6K | 27 | 154 |
| 41 | polymerization | 409 | 9.3K | 186 | 256 |
| 42 | Cell Biology | 296 | 9.2K | 266 | 494 |
| 43 | Metabolic diseases | 221 | 9.1K | 115 | 202 |
| 44 | Colloids | 229 | 8.9K | 274 | 264 |
| 45 | Production Management | 118 | 8.6K | 35 | 32 |
| 46 | Nuclear Physics | 517 | 8.6K | 386 | 574 |
| 47 | Metabolism | 275 | 8.5K | 135 | 253 |
| 48 | Natural history | 206 | 8.4K | 238 | 724 |
| 49 | Neurobiology | 152 | 8.4K | 110 | 140 |
| 50 | Behavior | 163 | 8.3K | 276 | 277 |
| 51 | Statistical physics | 522 | 8.3K | 126 | 289 |
| 52 | Process Control | 37 | 8.2K | 91 | 6 |
| 53 | Antarctica | 396 | 8.1K | 2 | 2 |
| 54 | Condensed Matter | 325 | 8.1K | 325 | 400 |
| 55 | food technology | 215 | 7.9K | 84 | 77 |
| 56 | Solid State Physics | 366 | 7.8K | 319 | 401 |
| 57 | human behavior | 141 | 7.7K | 168 | 217 |
| 58 | Environmental monitoring | 229 | 6.8K | 103 | 244 |
| 59 | Analytical Chemistry | 230 | 6.8K | 343 | 386 |
| 60 | Food | 197 | 6.8K | 108 | 147 |
| 61 | Animal Behavior | 111 | 6.6K | 233 | 200 |
| 62 | Epidemiology | 301 | 6.6K | 149 | 265 |
| 63 | Surface Chemistry | 162 | 6.6K | 381 | 336 |
| 64 | Neuropsychology | 183 | 6.5K | 112 | 146 |
| 65 | Sports | 232 | 6.5K | 47 | 78 |
| 66 | Psychology | 568 | 6.5K | 165 | 437 |
| 67 | Materials | 342 | 6.5K | 499 | 815 |
| 68 | Endocrinology | 271 | 6.4K | 190 | 360 |
| 69 | Biodiversity conservation | 44 | 6.3K | 316 | 215 |
| 70 | Health Policy | 369 | 6.2K | 37 | 91 |
| 71 | environmental pollution | 206 | 6.2K | 261 | 425 |
| 72 | Plant Ecology | 182 | 6.1K | 49 | 117 |
| 73 | Ethology | 81 | 6.0K | 216 | 164 |
| 74 | Sports Medicine | 289 | 5.9K | 62 | 152 |
| 75 | Aging | 109 | 5.8K | 293 | 192 |
| 76 | Environmental Health | 181 | 5.8K | 451 | 598 |
| 77 | Zoology | 400 | 5.8K | 19 | 106 |
| 78 | Memory | 89 | 5.7K | 210 | 132 |
| 79 | Biomass Energy | 85 | 5.7K | 218 | 188 |
| 80 | Biophysics | 227 | 5.6K | 594 | 722 |
| 81 | environmental protection | 166 | 5.5K | 150 | 219 |
| 82 | Biomedical Engineering | 120 | 5.5K | 624 | 474 |
| 83 | Composite Materials | 130 | 5.5K | 262 | 273 |
| 84 | Learning | 84 | 5.5K | 119 | 88 |
| 85 | Technology | 103 | 5.5K | 466 | 254 |
| 86 | Exercise | 193 | 5.4K | 6 | 21 |
| 87 | Pharmaceutical Chemistry | 189 | 5.4K | 273 | 337 |
| 88 | Public Health Administration | 340 | 5.3K | 6 | 6 |
| 89 | Biochemical Engineering | 116 | 5.2K | 337 | 503 |
| 90 | Child psychology | 42 | 5.0K | 325 | 189 |
| 91 | Oncology | 31 | 5.0K | 490 | 363 |
| 92 | Pharmaceutical Technology | 88 | 4.8K | 63 | 30 |
| 93 | Climate change | 5 | 4.8K | 733 | 219 |
| 93 | Eutrophication | 5 | 4.8K | 698 | 216 |
| 95 | Clinical Biochemistry | 136 | 4.7K | 19 | 28 |
| 96 | Health | 132 | 4.6K | 126 | 126 |
| 97 | Nonlinear Dynamics | 227 | 4.6K | 101 | 184 |
| 98 | Genomics | 121 | 4.5K | 271 | 286 |
| 99 | Bioengineering | 88 | 4.5K | 614 | 621 |
| 100 | Parasitology | 183 | 4.4K | 73 | 100 |
| 101 | Agriculture | 277 | 4.4K | 44 | 131 |
| 102 | Human genetics | 43 | 4.3K | 443 | 595 |
| 103 | Hydrology | 200 | 4.3K | 96 | 217 |
| 104 | Pharmacognosy | 131 | 4.2K | 67 | 107 |
| 105 | Psychopharmacology | 59 | 4.2K | 220 | 187 |
| 106 | plant communities | 96 | 4.1K | 47 | 99 |
| 107 | Soil Science | 124 | 4.1K | 107 | 134 |
| 108 | Building Materials | 114 | 4.0K | 116 | 186 |
| 109 | Diet | 74 | 4.0K | 254 | 267 |
| 110 | Physical fitness | 116 | 3.9K | 17 | 42 |
| 111 | Computer Graphics | 122 | 3.9K | 113 | 128 |
| 112 | soil management | 49 | 3.9K | 29 | 17 |
| 113 | Education | 542 | 3.8K | 62 | 322 |
| 114 | tillage | 46 | 3.8K | 20 | 14 |
| 115 | Nanotechnology | 120 | 3.8K | 773 | 944 |
| 116 | Hypertension | 44 | 3.8K | 349 | 322 |
| 117 | Electrochemistry | 149 | 3.6K | 541 | 517 |
| 118 | Microbial Ecology | 33 | 3.6K | 578 | 388 |
| 119 | Toxins | 54 | 3.5K | 34 | 17 |
| 120 | Biocompatible Materials | 94 | 3.5K | 617 | 742 |
| 121 | venom | 53 | 3.5K | 33 | 15 |
| 122 | Marine Biology | 129 | 3.5K | 232 | 305 |
| 123 | Environmental Engineering | 184 | 3.4K | 203 | 524 |
| 124 | Biodiversity | 100 | 3.3K | 158 | 262 |
| 125 | drugs | 88 | 3.3K | 169 | 143 |
| 126 | Mathematical Physics | 268 | 3.3K | 143 | 320 |
| 127 | Environmental Management | 65 | 3.3K | 389 | 371 |
| 128 | Renewable Energy Sources | 51 | 3.2K | 413 | 486 |
| 128 | Developmental Neurobiology | 138 | 3.2K | 1 | 1 |
| 130 | Genetic Toxicology | 86 | 3.2K | 1 | 9 |
| 131 | Obstetrics | 95 | 3.1K | 273 | 248 |
| 132 | Medicinal plants | 70 | 3.1K | 88 | 85 |
| 133 | Chromosomes | 92 | 3.1K | 26 | 47 |
| 134 | Environmental Policy | 65 | 3.0K | 487 | 502 |
| 135 | Plant diseases | 98 | 3.0K | 190 | 174 |
| 136 | scientific societies | 70 | 3.0K | 27 | 22 |
| 137 | Virology | 95 | 3.0K | 401 | 654 |
| 138 | management | 143 | 3.0K | 301 | 634 |
| 139 | United States | 83 | 2.9K | 786 | 651 |
| 140 | Molecular Genetics | 61 | 2.9K | 255 | 298 |
| 141 | Genetic disorders | 62 | 2.9K | 17 | 13 |
| 142 | Mycology | 128 | 2.8K | 76 | 162 |
| 143 | Nuclear Engineering | 180 | 2.8K | 73 | 71 |
| 144 | Water | 66 | 2.7K | 393 | 499 |
| 145 | Paleontology | 116 | 2.7K | 85 | 87 |
| 146 | Bacteriology | 93 | 2.7K | 205 | 343 |
| 147 | catalytic activity | 9 | 2.7K | 348 | 28 |
| 148 | Environmental Toxicology | 70 | 2.7K | 221 | 285 |
| 149 | Materials Science | 135 | 2.6K | 596 | 924 |
| 150 | Metabolic syndrome | 75 | 2.6K | 2 | 2 |
| 151 | Reproduction | 140 | 2.6K | 172 | 291 |
| 152 | concrete | 35 | 2.6K | 169 | 141 |
| 153 | Evolution | 127 | 2.6K | 146 | 398 |
| 154 | Mathematics | 245 | 2.6K | 721 | 807 |
| 155 | Environmental pollutants | 58 | 2.6K | 248 | 217 |
| 156 | Critical Care Medicine | 42 | 2.5K | 287 | 321 |
| 157 | Automation | 79 | 2.5K | 299 | 408 |
| 158 | Hazardous waste | 25 | 2.5K | 131 | 43 |
| 159 | Food additives | 53 | 2.5K | 84 | 114 |
| 159 | biological evolution | 85 | 2.5K | 259 | 466 |
| 161 | radioactive waste | 23 | 2.5K | 103 | 38 |
| 161 | industrial waste | 23 | 2.5K | 116 | 38 |
| 163 | Immunology | 84 | 2.5K | 523 | 658 |
| 163 | Biopharmaceutics | 70 | 2.5K | 40 | 73 |
| 165 | Critical Care | 42 | 2.5K | 286 | 320 |
| 166 | Food Microbiology | 60 | 2.5K | 98 | 132 |
| 167 | Geriatrics | 55 | 2.5K | 523 | 382 |
| 168 | Pediatrics | 72 | 2.4K | 328 | 391 |
| 169 | Social Change | 18 | 2.4K | 260 | 82 |
| 170 | Bipolar Disorder | 38 | 2.3K | 42 | 39 |
| 171 | Biodegradation | 47 | 2.3K | 15 | 13 |
| 172 | Tropical Medicine | 118 | 2.3K | 60 | 92 |
| 173 | Chronobiology | 29 | 2.3K | 46 | 18 |
| 173 | biological clocks | 29 | 2.3K | 46 | 18 |
| 173 | circadian rhythm | 29 | 2.3K | 46 | 18 |
| 173 | biological rhythms | 29 | 2.3K | 42 | 18 |
| 177 | Nursing | 170 | 2.3K | 61 | 104 |
| 178 | Quality Control | 146 | 2.3K | 20 | 91 |
| 179 | Clinical Chemistry | 91 | 2.3K | 333 | 465 |
| 180 | coal | 61 | 2.3K | 182 | 211 |
| 181 | Circadian rhythms | 21 | 2.3K | 42 | 17 |
| 182 | Genetic engineering | 59 | 2.3K | 252 | 312 |
| 183 | Water pollution | 72 | 2.2K | 400 | 546 |
| 184 | Cancer | 58 | 2.2K | 622 | 716 |
| 185 | Communication | 191 | 2.2K | 67 | 299 |
| 186 | Health Education | 200 | 2.2K | 71 | 205 |
| 187 | free radicals | 45 | 2.2K | 186 | 247 |
| 188 | Paleoecology | 55 | 2.2K | 126 | 127 |
| 189 | Pharmacy | 69 | 2.2K | 262 | 250 |
| 190 | Obesity | 49 | 2.2K | 353 | 343 |
| 191 | Industrial Microbiology | 68 | 2.2K | 147 | 266 |
| 192 | Bioremediation | 42 | 2.1K | 23 | 7 |
| 193 | Quantum Gravity | 120 | 2.1K | 457 | 588 |
| 194 | Meteorology | 33 | 2.1K | 589 | 479 |
| 195 | Nanostructured Materials | 77 | 2.1K | 591 | 723 |
| 196 | Physical Chemistry | 43 | 2.1K | 521 | 435 |
| 197 | Climatology | 51 | 2.1K | 317 | 321 |
| 198 | Geochemistry | 84 | 2.1K | 335 | 465 |
| 199 | Sleep | 47 | 2.1K | 267 | 204 |
| 200 | Sleep Disorders | 44 | 2.0K | 288 | 206 |
| 201 | Hemodynamics | 10 | 2.0K | 313 | 152 |
| 201 | hydrocolloids | 27 | 2.0K | 123 | 116 |
| 201 | herbicides | 156 | 2.0K | 3 | 8 |
| 204 | Neurotoxicology | 79 | 2.0K | 2 | 12 |
| 205 | pollutants | 36 | 2.0K | 312 | 246 |
| 206 | Geophysics | 84 | 1.9K | 649 | 781 |
| 207 | Signal Processing | 100 | 1.9K | 324 | 520 |
| 208 | soil microbiology | 34 | 1.9K | 328 | 360 |
| 209 | Artificial Intelligence | 54 | 1.9K | 797 | 731 |
| 210 | Animal breeding | 97 | 1.9K | 47 | 67 |
| 211 | Molecular ecology | 22 | 1.9K | 332 | 269 |
| 212 | environmental exposure | 34 | 1.9K | 346 | 201 |
| 213 | Paleoclimatology | 47 | 1.8K | 173 | 174 |
| 214 | Paleogeography | 45 | 1.8K | 133 | 134 |
| 215 | Population Genetics | 25 | 1.8K | 344 | 260 |
| 216 | Oxidative stress | 24 | 1.8K | 107 | 103 |
| 217 | Agricultural Chemistry | 78 | 1.8K | 262 | 386 |
| 218 | Drug design | 64 | 1.8K | 87 | 149 |
| 219 | Environmental Geology | 70 | 1.8K | 88 | 160 |
| 220 | Plant physiology | 57 | 1.8K | 367 | 531 |
| 221 | Alzheimer's disease | 178 | 1.8K | 89 | 177 |
| 222 | Parasitic Diseases | 51 | 1.8K | 258 | 258 |
| 223 | Sociology | 207 | 1.7K | 171 | 498 |
| 224 | Transportation | 48 | 1.7K | 303 | 289 |
| 225 | Solid State Chemistry | 85 | 1.7K | 331 | 370 |
| 226 | Soil ecology | 33 | 1.7K | 103 | 79 |
| 227 | Plants | 86 | 1.7K | 218 | 502 |
| 228 | Business | 45 | 1.7K | 431 | 586 |
| 229 | Solar Energy | 28 | 1.7K | 363 | 238 |
| 230 | Sedimentary rocks | 42 | 1.7K | 22 | 36 |
| 231 | gene mapping | 41 | 1.7K | 350 | 409 |
| 232 | Chromatographic analysis | 127 | 1.7K | 58 | 135 |
| 233 | Australia | 78 | 1.6K | 132 | 140 |
| 234 | mass transfer | 53 | 1.6K | 267 | 310 |
| 235 | Diabetes | 40 | 1.6K | 435 | 509 |
| 236 | Diabetes mellitus | 38 | 1.6K | 421 | 483 |
| 236 | Cement | 19 | 1.6K | 155 | 145 |
| 238 | Anthropology | 317 | 1.6K | 33 | 187 |
| 239 | Ethnology | 328 | 1.6K | 5 | 81 |
| 239 | enzymes | 33 | 1.6K | 303 | 210 |
| 241 | Manufacturing Processes | 72 | 1.6K | 303 | 399 |
| 242 | Molecular evolution | 43 | 1.6K | 233 | 327 |
| 243 | Mineralogy | 65 | 1.6K | 221 | 297 |
| 244 | Stem cells | 26 | 1.6K | 382 | 302 |
| 245 | Breeding | 90 | 1.6K | 77 | 170 |
| 246 | Insects | 118 | 1.5K | 42 | 164 |
| 247 | Economic History | 189 | 1.5K | 156 | 477 |
| 248 | Chromosome mapping | 33 | 1.5K | 370 | 351 |
| 249 | Parenteral nutrition | 60 | 1.5K | 73 | 206 |
| 250 | Soil Mechanics | 48 | 1.5K | 193 | 216 |
| 251 | Europe | 69 | 1.5K | 492 | 484 |
| 252 | Sedimentology | 26 | 1.5K | 81 | 64 |
| 253 | Herbal medicine | 26 | 1.5K | 103 | 62 |
| 254 | Cell differentiation | 11 | 1.5K | 724 | 477 |
| 255 | Green Chemistry | 32 | 1.5K | 449 | 489 |
| 256 | Therapeutics | 25 | 1.5K | 480 | 362 |
| 257 | Operations Research | 55 | 1.5K | 418 | 468 |
| 258 | System analysis | 67 | 1.5K | 289 | 359 |
| 259 | rare diseases | 48 | 1.5K | 34 | 61 |
| 260 | Atomic spectroscopy | 40 | 1.5K | 174 | 110 |
| 261 | Pharmacokinetics | 39 | 1.5K | 66 | 74 |
| 262 | Developmental Biology | 27 | 1.5K | 548 | 543 |
| 263 | Organic Chemistry | 52 | 1.5K | 795 | 766 |
| 264 | Disease | 4 | 1.4K | 249 | 252 |
| 265 | Schizophrenia | 43 | 1.4K | 174 | 224 |
| 266 | Child | 70 | 1.4K | 306 | 400 |
| 267 | Economics | 254 | 1.4K | 308 | 887 |
| 268 | Cellular senescence | 11 | 1.4K | 42 | 28 |
| 269 | food handling | 40 | 1.4K | 69 | 87 |
| 269 | Entomology | 129 | 1.4K | 160 | 337 |
| 271 | Parasites | 51 | 1.4K | 175 | 201 |
| 272 | Structural Engineering | 37 | 1.4K | 384 | 313 |
| 273 | clay | 35 | 1.4K | 71 | 91 |
| 274 | Hormones | 66 | 1.4K | 126 | 256 |
| 275 | Plant Taxonomy | 21 | 1.4K | 87 | 31 |
| 276 | diseases | 3 | 1.4K | 297 | 257 |
| 277 | Molecular structure | 69 | 1.4K | 268 | 474 |
| 278 | Quality of life | 31 | 1.4K | 246 | 245 |
| 279 | Dermatology | 42 | 1.4K | 353 | 324 |
| 280 | Clinical Pharmacology | 38 | 1.3K | 216 | 179 |
| 281 | mammals | 59 | 1.3K | 67 | 97 |
| 282 | Nanostructures | 26 | 1.3K | 516 | 466 |
| 283 | Vaccines | 27 | 1.3K | 430 | 301 |
| 284 | Bioorganic chemistry | 33 | 1.3K | 819 | 685 |
| 285 | Infertility | 34 | 1.3K | 186 | 230 |
| 285 | fertility | 35 | 1.3K | 203 | 246 |
| 287 | water supply | 30 | 1.3K | 203 | 233 |
| 288 | Geomorphology | 54 | 1.3K | 177 | 332 |
| 288 | Communication in medicine | 132 | 1.3K | 11 | 65 |
| 290 | Electronics | 61 | 1.3K | 703 | 730 |
| 291 | Computational Biology | 35 | 1.3K | 566 | 593 |
| 291 | Image Processing | 44 | 1.3K | 458 | 545 |
| 293 | Genetic regulation | 17 | 1.3K | 340 | 272 |
| 294 | Chromatography | 85 | 1.3K | 79 | 170 |
| 295 | Ocean Engineering | 41 | 1.3K | 386 | 380 |
| 296 | Cell metabolism | 40 | 1.3K | 41 | 289 |
| 297 | Water quality management | 65 | 1.3K | 145 | 218 |
| 298 | Neuropsychiatry | 35 | 1.3K | 118 | 127 |
| 299 | drug therapy | 35 | 1.2K | 540 | 491 |
| 300 | Ceramic materials | 67 | 1.2K | 103 | 187 |
| 301 | Dementia | 168 | 1.2K | 87 | 197 |
| 302 | Medical Laboratory Science | 26 | 1.2K | 562 | 546 |
| 303 | pain | 25 | 1.2K | 381 | 347 |
| 304 | Production Engineering | 138 | 1.2K | 91 | 288 |
| 305 | Information Science | 95 | 1.2K | 176 | 551 |
| 306 | plant molecular biology | 25 | 1.2K | 454 | 538 |
| 307 | Geotechnical Engineering | 31 | 1.2K | 102 | 93 |
| 308 | Enteral nutrition | 44 | 1.2K | 69 | 182 |
| 309 | Electrical Engineering | 139 | 1.2K | 295 | 473 |
| 310 | Human biology | 60 | 1.2K | 25 | 44 |
| 311 | Drug delivery systems | 59 | 1.2K | 122 | 367 |
| 312 | Waste management | 51 | 1.2K | 118 | 128 |
| 313 | biological factors | 70 | 1.2K | 132 | 360 |
| 314 | Geography | 51 | 1.2K | 388 | 469 |
| 314 | Medical Microbiology | 45 | 1.2K | 445 | 668 |
| 316 | Information Technology | 22 | 1.2K | 717 | 502 |
| 317 | Chronic diseases | 10 | 1.2K | 319 | 214 |
| 318 | Surface-Active Agents | 29 | 1.2K | 147 | 155 |
| 318 | Surface properties | 29 | 1.2K | 161 | 170 |
| 320 | Medical Technology | 29 | 1.2K | 288 | 236 |
| 321 | Control Theory | 48 | 1.2K | 343 | 334 |
| 322 | computer networks | 67 | 1.1K | 317 | 542 |
| 323 | United Kingdom | 12 | 1.1K | 673 | 391 |
| 324 | Apoptosis | 54 | 1.1K | 2 | 11 |
| 324 | neurotoxins | 54 | 1.1K | 2 | 11 |
| 324 | Neurotoxic agents | 54 | 1.1K | 2 | 11 |
| 324 | Nerve regeneration | 54 | 1.1K | 2 | 11 |
| 328 | Neuropharmacology | 14 | 1.1K | 197 | 69 |
| 329 | Photochemistry | 50 | 1.1K | 189 | 297 |
| 329 | Molecular cloning | 52 | 1.1K | 120 | 224 |
| 329 | Child Development | 36 | 1.1K | 457 | 509 |
| 332 | Cognition | 49 | 1.1K | 369 | 490 |
| 333 | pigments | 32 | 1.1K | 115 | 80 |
| 334 | Analytical Biochemistry | 63 | 1.1K | 127 | 299 |
| 335 | Nutrition physiology | 19 | 1.1K | 170 | 127 |
| 335 | Fracture mechanics | 55 | 1.1K | 218 | 275 |
| 337 | Genetic recombination | 49 | 1.1K | 125 | 226 |
| 337 | Recombinant DNA | 49 | 1.1K | 154 | 251 |
| 339 | Evolutionary Genetics | 37 | 1.1K | 23 | 31 |
| 339 | Molecular Epidemiology | 37 | 1.1K | 23 | 31 |
| 341 | cloning | 7 | 1.1K | 350 | 183 |
| 342 | visualization | 33 | 1.1K | 334 | 153 |
| 343 | Petrology | 47 | 1.1K | 217 | 337 |
| 344 | Engineering | 52 | 1.1K | 883 | 894 |
| 344 | alcoholism | 37 | 1.1K | 318 | 354 |
| 346 | Earthquake Engineering | 21 | 1.1K | 498 | 360 |
| 347 | Sustainable Development | 37 | 1.1K | 274 | 473 |
| 348 | Signal Transduction | 39 | 1.1K | 238 | 444 |
| 349 | Biogeography | 58 | 1.0K | 85 | 333 |
| 350 | Energy Policy | 29 | 1.0K | 762 | 934 |
| 351 | Diagnostic microbiology | 20 | 1.0K | 345 | 439 |
| 352 | Microbial Biotechnology | 40 | 1.0K | 46 | 90 |
| 353 | proteins | 51 | 1.0K | 335 | 493 |
| 354 | Engineering Geology | 31 | 1.0K | 329 | 332 |
| 354 | drug evaluation | 45 | 1.0K | 110 | 167 |
| 356 | Photobiology | 44 | 990 | 102 | 189 |
| 356 | Phylogeny | 35 | 990 | 115 | 206 |
| 358 | Immunotherapy | 18 | 988 | 601 | 552 |
| 359 | Primary health care | 53 | 979 | 235 | 315 |
| 360 | Industrial Engineering | 55 | 977 | 267 | 434 |
| 361 | Telecommunication | 23 | 975 | 923 | 702 |
| 362 | Health Services Research | 28 | 972 | 379 | 334 |
| 363 | Wildlife conservation | 29 | 966 | 254 | 367 |
| 364 | food contamination | 53 | 959 | 43 | 67 |
| 365 | Fungi | 38 | 957 | 169 | 312 |
| 366 | Mechanical Engineering | 98 | 950 | 229 | 432 |
| 367 | genome | 18 | 948 | 503 | 568 |
| 368 | Immunopathology | 12 | 934 | 533 | 338 |
| 368 | Phytotherapy | 31 | 934 | 36 | 51 |
| 370 | Plastics | 61 | 932 | 154 | 293 |
| 371 | Radiation | 62 | 931 | 266 | 392 |
| 372 | Electrophoresis | 52 | 928 | 181 | 331 |
| 373 | Pregnancy | 17 | 926 | 217 | 116 |
| 374 | Robotics | 35 | 925 | 378 | 405 |
| 375 | Petroleum Geology | 39 | 916 | 56 | 102 |
| 376 | Lightweight concrete | 9 | 912 | 189 | 152 |
| 377 | mutation | 26 | 901 | 83 | 112 |
| 378 | natural products | 61 | 898 | 168 | 354 |
| 379 | Agricultural Ecology | 21 | 894 | 263 | 332 |
| 380 | Ergonomics | 24 | 882 | 257 | 180 |
| 381 | Marine Pollution | 17 | 878 | 409 | 349 |
| 382 | Plant Morphology | 56 | 875 | 20 | 56 |
| 383 | Physical Therapy | 29 | 866 | 290 | 347 |
| 384 | Aquaculture | 37 | 860 | 311 | 370 |
| 385 | soil conservation | 22 | 853 | 122 | 80 |
| 386 | Marine Geology | 35 | 851 | 68 | 111 |
| 387 | Sustainable Engineering | 29 | 848 | 378 | 536 |
| 388 | Restoration Ecology | 13 | 840 | 127 | 74 |
| 389 | Membranes | 29 | 839 | 512 | 660 |
| 390 | Synaptic Transmission | 33 | 827 | 44 | 79 |
| 391 | rehabilitation | 28 | 823 | 545 | 583 |
| 392 | Telecommunication Systems | 41 | 808 | 222 | 243 |
| 393 | Nervous system | 24 | 800 | 771 | 829 |
| 394 | Kidney diseases | 14 | 797 | 319 | 196 |
| 395 | arthritis | 12 | 779 | 510 | 462 |
| 396 | Hippocampus | 15 | 777 | 74 | 104 |
| 397 | nanoscience | 29 | 776 | 923 | 1,152 |
| 398 | Population | 18 | 774 | 247 | 200 |
| 399 | Water Purification | 37 | 773 | 137 | 168 |
| 400 | machinery | 78 | 772 | 22 | 106 |
| 401 | Organometallic chemistry | 25 | 770 | 637 | 390 |
| 402 | Environmental Chemistry | 28 | 768 | 470 | 824 |
| 403 | Antioxidants | 26 | 756 | 94 | 293 |
| 404 | Zeolites | 26 | 754 | 177 | 248 |
| 404 | Building | 90 | 754 | 23 | 90 |
| 406 | Nuclear Energy | 96 | 751 | 78 | 162 |
| 407 | Inflammation | 21 | 749 | 266 | 352 |
| 407 | women | 105 | 749 | 8 | 54 |
| 409 | Comparative Physiology | 29 | 748 | 151 | 207 |
| 410 | Mutagenesis | 25 | 742 | 24 | 27 |
| 411 | Metallurgy | 41 | 736 | 513 | 661 |
| 412 | Social Sciences | 54 | 735 | 597 | 797 |
| 413 | Demography | 21 | 730 | 142 | 163 |
| 413 | mutagens | 18 | 730 | 215 | 259 |
| 413 | Plant cells | 8 | 730 | 648 | 639 |
| 416 | Bioinorganic chemistry | 10 | 729 | 797 | 396 |
| 417 | Personality Assessment | 6 | 726 | 371 | 186 |
| 418 | Attention | 26 | 721 | 460 | 476 |
| 419 | Optics | 43 | 715 | 1,283 | 1,243 |
| 420 | eugenics | 28 | 714 | 68 | 83 |
| 421 | Hematology | 36 | 708 | 655 | 806 |
| 422 | Respiration | 33 | 699 | 356 | 497 |
| 423 | Food Preservation | 41 | 696 | 53 | 68 |
| 423 | Animal health | 60 | 696 | 24 | 36 |
| 425 | Cerebellum | 33 | 693 | 15 | 72 |
| 425 | Cerebellar ataxia | 33 | 693 | 15 | 72 |
| 427 | Soft Condensed Matter | 24 | 692 | 325 | 346 |
| 428 | Engineering Mathematics | 51 | 690 | 253 | 399 |
| 429 | Surgery | 10 | 689 | 765 | 746 |
| 430 | Technological Innovations | 19 | 687 | 222 | 242 |
| 431 | Oceanography | 32 | 686 | 489 | 622 |
| 432 | Environmental Microbiology | 20 | 685 | 397 | 562 |
| 433 | Aquatic ecology | 24 | 682 | 179 | 191 |
| 434 | Animal Nutrition | 29 | 680 | 118 | 130 |
| 435 | Functional foods | 22 | 677 | 31 | 35 |
| 435 | feeding behavior | 25 | 677 | 160 | 225 |
| 435 | natural disasters | 23 | 677 | 255 | 331 |
| 438 | mycoses | 38 | 670 | 66 | 353 |
| 439 | civilization | 57 | 661 | 90 | 21 |
| 440 | radiative transfer | 42 | 660 | 83 | 133 |
| 441 | heredity | 38 | 659 | 58 | 109 |
| 441 | Appetite | 23 | 659 | 137 | 199 |
| 443 | epilepsy | 23 | 657 | 213 | 207 |
| 444 | Conservation Biology | 32 | 656 | 200 | 385 |
| 445 | Cognitive Science | 9 | 654 | 849 | 557 |
| 446 | Animal ecology | 44 | 653 | 215 | 397 |
| 446 | Animal genetics | 29 | 653 | 119 | 147 |
| 448 | Cellulose | 14 | 651 | 158 | 137 |
| 449 | Cardiovascular system | 14 | 650 | 601 | 748 |
| 450 | animals | 54 | 647 | 110 | 218 |
| 451 | vitamin C | 24 | 644 | 18 | 71 |
| 451 | vitamin E | 24 | 644 | 18 | 71 |
| 453 | Ultrasonics | 9 | 637 | 639 | 398 |
| 454 | Agronomy | 17 | 635 | 112 | 171 |
| 454 | gene therapy | 15 | 635 | 360 | 379 |
| 454 | Chemical industry | 18 | 635 | 403 | 225 |
| 457 | soil pollution | 14 | 633 | 92 | 51 |
| 458 | Production Planning | 16 | 632 | 40 | 62 |
| 458 | Production Control | 16 | 632 | 39 | 62 |
| 460 | Cardiovascular diseases | 42 | 630 | 327 | 497 |
| 461 | Systems Engineering | 13 | 627 | 1,018 | 658 |
| 462 | Adolescent | 38 | 620 | 422 | 619 |
| 463 | Insect biochemistry | 19 | 617 | 97 | 126 |
| 464 | Muscles | 16 | 614 | 256 | 290 |
| 465 | software | 14 | 610 | 345 | 313 |
| 466 | Public Administration | 59 | 602 | 177 | 369 |
| 467 | Recycling | 7 | 598 | 313 | 287 |
| 468 | Molecular Spectroscopy | 15 | 597 | 770 | 504 |
| 469 | Diagnostic Imaging | 14 | 594 | 736 | 584 |
| 470 | biopolymers | 22 | 593 | 361 | 413 |
| 471 | Sonochemistry | 8 | 591 | 294 | 223 |
| 472 | Nephrology | 6 | 590 | 307 | 195 |
| 473 | Pharmacogenetics | 25 | 589 | 193 | 298 |
| 474 | Women's health | 23 | 586 | 277 | 269 |
| 475 | Rheumatology | 10 | 585 | 557 | 448 |
| 475 | Ore deposits | 24 | 585 | 121 | 160 |
| 477 | nucleic acids | 11 | 582 | 820 | 811 |
| 478 | drug toxicity | 19 | 580 | 35 | 50 |
| 479 | Veterinary Pathology | 37 | 576 | 28 | 39 |
| 480 | Lipids | 12 | 573 | 554 | 520 |
| 481 | China | 41 | 572 | 579 | 804 |
| 482 | Social Psychology | 16 | 571 | 901 | 882 |
| 482 | Land use | 19 | 571 | 293 | 348 |
| 482 | Optical materials | 29 | 571 | 843 | 1,223 |
| 485 | Rock Mechanics | 16 | 567 | 343 | 346 |
| 486 | Human-Computer Interaction | 17 | 566 | 483 | 470 |
| 487 | Urology | 26 | 565 | 470 | 556 |
| 487 | freshwater biology | 26 | 565 | 157 | 262 |
| 489 | Electrochemical Analysis | 19 | 558 | 563 | 526 |
| 489 | plant oils | 38 | 558 | 21 | 29 |
| 491 | Heat Exchangers | 13 | 555 | 553 | 513 |
| 492 | Antibacterial agents | 19 | 554 | 118 | 179 |
| 493 | Biomechanics | 22 | 551 | 366 | 477 |
| 493 | drug addiction | 18 | 551 | 375 | 440 |
| 495 | Fishery management | 17 | 547 | 245 | 205 |
| 495 | Culture techniques | 1 | 547 | 470 | 52 |
| 497 | Public Policy | 28 | 541 | 421 | 584 |
| 497 | dietary supplements | 8 | 541 | 397 | 207 |
| 499 | South America | 48 | 540 | 5 | 4 |
| 500 | Child welfare | 25 | 538 | 277 | 285 |
| 501 | Community Psychiatry | 24 | 537 | 229 | 333 |
| 501 | Bioinformatics | 18 | 537 | 755 | 802 |
| 503 | Digestive system diseases | 17 | 536 | 333 | 301 |
| 504 | Research Design | 17 | 532 | 375 | 417 |
| 505 | Transplantation | 17 | 527 | 355 | 438 |
| 506 | Randomized Controlled Trials | 40 | 526 | 143 | 194 |
| 507 | Microscopy | 27 | 524 | 277 | 358 |
| 508 | ecosystem | 18 | 523 | 458 | 614 |
| 509 | Proteomics | 23 | 522 | 224 | 416 |
| 510 | Computer Vision | 8 | 520 | 680 | 511 |
| 511 | Embryology | 21 | 519 | 499 | 688 |
| 511 | Exercise therapy | 43 | 519 | 9 | 31 |
| 513 | Civil Engineering | 16 | 517 | 555 | 250 |
| 514 | Agricultural Science | 9 | 515 | 89 | 116 |
| 515 | Agricultural systems | 9 | 514 | 125 | 111 |
| 516 | Developing countries | 32 | 512 | 503 | 780 |
| 517 | child abuse | 14 | 510 | 317 | 339 |
| 518 | Immunogenetics | 26 | 508 | 115 | 168 |
| 519 | Carbon | 16 | 506 | 479 | 719 |
| 520 | Medical Anthropology | 17 | 504 | 417 | 551 |
| 520 | complementary therapies | 21 | 504 | 394 | 428 |
| 522 | Fertilizers | 12 | 503 | 115 | 79 |
| 523 | preimplantation genetic diagnosis | 25 | 501 | 51 | 78 |
| 523 | embryo transfer | 25 | 501 | 52 | 81 |
| 525 | Psychoneuroimmunology | 15 | 500 | 177 | 285 |
| 525 | Neuroimmunology | 15 | 500 | 214 | 319 |
| 527 | Organometallic compounds | 19 | 498 | 481 | 492 |
| 528 | pharmaceutical industry | 26 | 495 | 50 | 76 |
| 529 | economic policy | 113 | 493 | 139 | 647 |
| 530 | infection | 14 | 490 | 612 | 671 |
| 531 | disease vectors | 15 | 486 | 323 | 302 |
| 532 | Alternative Medicine | 19 | 484 | 379 | 437 |
| 532 | Antigens | 18 | 484 | 236 | 261 |
| 534 | city planning | 26 | 482 | 434 | 566 |
| 535 | Anatomy | 37 | 481 | 467 | 745 |
| 535 | Catalysts | 18 | 481 | 137 | 163 |
| 537 | Algebra | 58 | 480 | 214 | 269 |
| 538 | Educational Technology | 8 | 476 | 963 | 547 |
| 538 | Industrial Safety | 13 | 476 | 429 | 348 |
| 540 | Homeostasis | 3 | 473 | 370 | 473 |
| 541 | Systems Analysis | 22 | 472 | 258 | 259 |
| 542 | Water Microbiology | 14 | 471 | 59 | 82 |
| 543 | Forest Ecology | 14 | 470 | 403 | 445 |
| 544 | Wireless Communication Systems | 15 | 468 | 1,092 | 923 |
| 544 | Fisheries | 32 | 468 | 364 | 610 |
| 546 | cytokines | 12 | 467 | 475 | 489 |
| 547 | Rural Development | 11 | 464 | 162 | 153 |
| 548 | Combustion | 26 | 462 | 336 | 483 |
| 549 | Anxiety Disorders | 11 | 458 | 207 | 295 |
| 549 | Anxiety | 11 | 458 | 209 | 297 |
| 551 | ethanol | 16 | 455 | 121 | 134 |
| 552 | Infections | 10 | 452 | 513 | 561 |
| 553 | Pathology | 21 | 450 | 683 | 876 |
| 554 | Developmental Psychology | 11 | 449 | 502 | 479 |
| 555 | Electrophysiology | 12 | 447 | 426 | 297 |
| 556 | Psychiatric Epidemiology | 15 | 434 | 129 | 186 |
| 557 | Educational Sociology | 44 | 433 | 9 | 58 |
| 557 | Proteome | 15 | 433 | 426 | 546 |
| 559 | Statistical Mechanics | 35 | 431 | 105 | 183 |
| 559 | Teaching | 83 | 431 | 155 | 599 |
| 561 | Music | 25 | 430 | 155 | 178 |
| 562 | miniaturization | 17 | 424 | 704 | 988 |
| 563 | Logistics | 5 | 423 | 406 | 229 |
| 563 | Municipal Engineering | 14 | 423 | 34 | 44 |
| 565 | Dynamics | 28 | 420 | 387 | 444 |
| 565 | Gerontology | 30 | 420 | 463 | 629 |
| 567 | Pediatric Neurology | 8 | 419 | 501 | 556 |
| 567 | preventive medicine | 11 | 419 | 524 | 531 |
| 569 | Political Science | 78 | 415 | 237 | 574 |
| 569 | Clinical Psychology | 6 | 415 | 806 | 604 |
| 571 | Cytogenetics | 18 | 414 | 449 | 710 |
| 571 | Molecules | 25 | 414 | 506 | 571 |
| 573 | Consumer education | 5 | 405 | 206 | 113 |
| 573 | cell physiology | 9 | 405 | 767 | 802 |
| 575 | Immunopharmacology | 14 | 404 | 343 | 382 |
| 576 | structural stability | 7 | 403 | 181 | 139 |
| 577 | bioclimatology | 18 | 402 | 203 | 279 |
| 578 | Informatics | 11 | 401 | 366 | 333 |
| 579 | Reproductive toxicology | 13 | 399 | 94 | 139 |
| 579 | Roads | 18 | 399 | 260 | 225 |
| 579 | Biomass | 10 | 399 | 232 | 283 |
| 582 | Intelligent Transportation Systems | 7 | 398 | 696 | 569 |
| 583 | Japan | 23 | 396 | 446 | 453 |
| 584 | Liver diseases | 14 | 395 | 570 | 744 |
| 585 | Information Systems | 23 | 394 | 307 | 491 |
| 586 | Climate | 12 | 386 | 179 | 226 |
| 587 | actuators | 12 | 384 | 1,114 | 1,152 |
| 587 | transducers | 12 | 384 | 1,114 | 1,152 |
| 589 | Plant breeding | 17 | 382 | 204 | 258 |
| 589 | nuclear power | 38 | 382 | 71 | 87 |
| 591 | carcinogens | 16 | 379 | 285 | 455 |
| 592 | Mental Health | 25 | 378 | 420 | 573 |
| 593 | voice | 21 | 369 | 94 | 127 |
| 594 | marketing | 14 | 368 | 903 | 1,021 |
| 595 | Radiation effects | 16 | 367 | 133 | 270 |
| 596 | Economic Development | 48 | 366 | 220 | 828 |
| 597 | Growth | 9 | 365 | 578 | 716 |
| 598 | Nanoparticles | 16 | 364 | 776 | 954 |
| 598 | Transgenic plants | 8 | 364 | 180 | 163 |
| 600 | Paleobiology | 25 | 362 | 40 | 38 |
| 600 | personality | 15 | 362 | 643 | 842 |
| 602 | Primates | 30 | 361 | 124 | 262 |
| 603 | Histocompatibility Testing | 20 | 360 | 78 | 130 |
| 603 | Fouling | 7 | 360 | 85 | 71 |
| 605 | Thrombosis | 9 | 359 | 541 | 507 |
| 605 | sports injuries | 11 | 359 | 180 | 121 |
| 607 | Computer-Aided Design | 22 | 357 | 315 | 448 |
| 607 | Steroids | 21 | 357 | 262 | 387 |
| 609 | Adhesion | 31 | 356 | 41 | 158 |
| 609 | adhesives | 31 | 356 | 47 | 159 |
| 611 | Plant Genetics | 12 | 355 | 270 | 423 |
| 612 | Molecular Microbiology | 7 | 354 | 516 | 571 |
| 612 | Numerical Analysis | 52 | 354 | 402 | 871 |
| 612 | Hemostasis | 8 | 354 | 385 | 258 |
| 612 | Contraception | 14 | 354 | 185 | 217 |
| 616 | Plant genetic engineering | 11 | 352 | 383 | 462 |
| 616 | Plant tissue culture | 25 | 352 | 101 | 263 |
| 616 | Echocardiography | 5 | 352 | 42 | 8 |
| 619 | Ceramics | 21 | 351 | 447 | 551 |
| 620 | Planets | 15 | 350 | 686 | 877 |
| 620 | Plant cell culture | 19 | 350 | 117 | 263 |
| 622 | global environmental change | 7 | 347 | 453 | 482 |
| 622 | atmosphere | 9 | 347 | 370 | 309 |
| 624 | Environmental Law | 4 | 343 | 907 | 786 |
| 625 | Peasants | 3 | 340 | 85 | 31 |
| 626 | Biogeochemistry | 9 | 339 | 598 | 662 |
| 626 | food industry | 15 | 339 | 165 | 153 |
| 628 | Computer Engineering | 21 | 338 | 145 | 227 |
| 628 | Transport | 7 | 338 | 321 | 286 |
| 630 | Urban Policy | 40 | 336 | 65 | 365 |
| 631 | Marine invertebrates | 15 | 332 | 37 | 23 |
| 631 | Industry | 4 | 332 | 109 | 117 |
| 633 | Hematopoietic stem cell transplantation | 10 | 330 | 146 | 198 |
| 633 | Asia | 13 | 330 | 1,225 | 927 |
| 635 | weather | 11 | 328 | 193 | 217 |
| 635 | Birds | 18 | 328 | 410 | 422 |
| 637 | Egypt | 5 | 327 | 333 | 173 |
| 638 | Pharmacogenomics | 11 | 326 | 58 | 105 |
| 638 | Sarcopenia | 8 | 326 | 150 | 242 |
| 638 | mathematical analysis | 61 | 326 | 522 | 958 |
| 638 | Oxidation-reduction | 5 | 326 | 563 | 598 |
| 642 | Eating Disorders | 13 | 325 | 353 | 388 |
| 642 | Feeding and Eating Disorders | 13 | 325 | 337 | 370 |
| 644 | Ecosystem management | 7 | 324 | 391 | 327 |
| 644 | Soil biology | 13 | 324 | 388 | 644 |
| 644 | hazard mitigation | 15 | 324 | 241 | 367 |
| 644 | Enzyme | 8 | 324 | 232 | 265 |
| 648 | Perception | 9 | 320 | 895 | 809 |
| 649 | organization | 8 | 319 | 450 | 536 |
| 650 | Chemical processes | 11 | 318 | 200 | 177 |
| 651 | Nitric oxide | 5 | 317 | 127 | 75 |
| 652 | Psychosomatic Medicine | 7 | 316 | 455 | 417 |
| 653 | Plant hormones | 5 | 314 | 189 | 115 |
| 653 | Glass | 14 | 314 | 419 | 502 |
| 655 | Tribology | 10 | 313 | 595 | 511 |
| 655 | Chemotherapy | 13 | 313 | 520 | 595 |
| 655 | Organizational change | 13 | 313 | 221 | 300 |
| 655 | Pesticides | 15 | 313 | 154 | 175 |
| 655 | solar cells | 8 | 313 | 472 | 509 |
| 660 | Software Engineering | 16 | 311 | 369 | 468 |
| 660 | Structural optimization | 8 | 311 | 177 | 163 |
| 660 | counseling | 7 | 311 | 821 | 544 |
| 663 | Nonlinear systems | 12 | 310 | 230 | 216 |
| 664 | Bioenergetics | 12 | 309 | 361 | 465 |
| 665 | Pediatric Hematology | 6 | 308 | 220 | 56 |
| 665 | cell interaction | 6 | 308 | 660 | 613 |
| 667 | protein | 18 | 307 | 404 | 570 |
| 668 | Forest Management | 10 | 306 | 487 | 539 |
| 668 | Library Science | 32 | 306 | 110 | 148 |
| 670 | Computer Science | 39 | 305 | 301 | 729 |
| 670 | Luminescence | 12 | 305 | 611 | 470 |
| 672 | Long-Term Care | 8 | 304 | 271 | 283 |
| 672 | Long-term care facilities | 8 | 304 | 268 | 283 |
| 672 | Visual Perception | 8 | 304 | 828 | 715 |
| 675 | Political Sociology | 33 | 303 | 42 | 199 |
| 676 | Fluid Dynamics | 9 | 301 | 614 | 520 |
| 677 | Substance Abuse | 13 | 300 | 609 | 643 |
| 677 | Geodynamics | 18 | 300 | 333 | 531 |
| 677 | Cell death | 3 | 300 | 970 | 783 |
| 677 | Menopause | 8 | 300 | 134 | 106 |
| 681 | Transportation Engineering | 3 | 299 | 297 | 160 |
| 682 | Energy metabolism | 11 | 298 | 294 | 382 |
| 682 | Ornithology | 12 | 298 | 451 | 371 |
| 684 | Dentistry | 18 | 297 | 211 | 213 |
| 684 | Chemical analysis | 8 | 297 | 650 | 582 |
| 686 | Measurement | 16 | 295 | 463 | 573 |
| 687 | Developmental Disabilities | 8 | 294 | 541 | 564 |
| 688 | Gene expression regulation | 16 | 293 | 299 | 504 |
| 688 | pottery | 10 | 293 | 497 | 520 |
| 690 | Neural circuitry | 8 | 291 | 1,263 | 1,173 |
| 691 | Fluid Mechanics | 30 | 290 | 379 | 739 |
| 691 | Solitons | 21 | 290 | 251 | 501 |
| 691 | Fractals | 21 | 290 | 251 | 504 |
| 691 | Chaos | 21 | 290 | 251 | 501 |
| 695 | Middle East | 10 | 289 | 472 | 248 |
| 696 | Neuromuscular diseases | 8 | 288 | 310 | 294 |
| 697 | Drug delivery devices | 4 | 287 | 171 | 138 |
| 698 | Emergency Medicine | 10 | 285 | 640 | 474 |
| 699 | Hydraulic Engineering | 13 | 284 | 366 | 425 |
| 699 | Cross-Cultural Studies | 8 | 284 | 336 | 246 |
| 701 | Calorimetry | 18 | 283 | 332 | 426 |
| 701 | Thermal analysis | 18 | 283 | 332 | 426 |
| 703 | Statistics | 29 | 280 | 885 | 1,087 |
| 703 | viruses | 10 | 280 | 651 | 848 |
| 705 | Organizational Sociology | 74 | 278 | 3 | 156 |
| 706 | Nanochemistry | 13 | 277 | 436 | 497 |
| 706 | Database Management | 20 | 277 | 227 | 397 |
| 706 | Sexual health | 16 | 277 | 198 | 279 |
| 709 | cross-cultural comparison | 7 | 276 | 259 | 148 |
| 710 | energy conservation | 20 | 273 | 645 | 1,456 |
| 710 | Immunochemistry | 9 | 273 | 472 | 411 |
| 710 | Yeast | 9 | 273 | 173 | 237 |
| 713 | Africa | 13 | 271 | 627 | 463 |
| 714 | Chemical Ecology | 12 | 270 | 188 | 314 |
| 714 | Radio | 4 | 270 | 1,202 | 825 |
| 716 | Liquid Crystals | 20 | 269 | 279 | 209 |
| 717 | Telemedicine | 15 | 268 | 71 | 133 |
| 718 | Medical Oncology | 11 | 265 | 745 | 904 |
| 718 | Neonatology | 12 | 265 | 168 | 212 |
| 720 | emergency management | 5 | 264 | 494 | 310 |
| 721 | Quantum theory | 26 | 263 | 270 | 468 |
| 722 | environmental indicators | 8 | 262 | 656 | 802 |
| 722 | risk factors | 15 | 262 | 226 | 355 |
| 722 | Mites | 17 | 262 | 86 | 106 |
| 725 | peptides | 17 | 261 | 171 | 240 |
| 726 | Patient education | 3 | 260 | 537 | 320 |
| 727 | livestock | 16 | 259 | 160 | 172 |
| 727 | sexual behavior | 9 | 259 | 323 | 352 |
| 729 | Technology Assessment | 10 | 257 | 73 | 241 |
| 729 | finance | 21 | 257 | 865 | 1,212 |
| 731 | Iron | 8 | 256 | 152 | 108 |
| 732 | Ethnobotany | 8 | 255 | 42 | 106 |
| 732 | educational innovations | 1 | 255 | 965 | 247 |
| 734 | Traditional medicine | 7 | 254 | 55 | 107 |
| 734 | ethnobiology | 7 | 254 | 79 | 127 |
| 734 | Ethnomedicine | 7 | 254 | 50 | 106 |
| 737 | Foodborne diseases | 11 | 251 | 64 | 94 |
| 738 | psychopathology | 1 | 250 | 470 | 216 |
| 738 | motor skills | 7 | 250 | 94 | 99 |
| 740 | Integrated Circuits | 31 | 249 | 113 | 145 |
| 741 | psychotherapy | 11 | 247 | 617 | 703 |
| 742 | disease outbreaks | 2 | 246 | 584 | 311 |
| 742 | Epidemics | 1 | 246 | 723 | 308 |
| 744 | Microprocessors | 24 | 245 | 83 | 165 |
| 744 | Raman spectroscopy | 15 | 245 | 220 | 381 |
| 746 | Total Quality Management | 7 | 243 | 228 | 183 |
| 747 | Remote Sensing | 35 | 242 | 244 | 625 |
| 747 | Microorganisms | 10 | 242 | 481 | 771 |
| 747 | Metals | 17 | 242 | 832 | 1,144 |
| 750 | Combinatorial analysis | 13 | 239 | 460 | 323 |
| 751 | Physical organic chemistry | 12 | 238 | 724 | 791 |
| 751 | carbon monoxide | 8 | 238 | 115 | 217 |
| 753 | Asthma | 8 | 236 | 312 | 240 |
| 753 | Simulation Methods | 11 | 236 | 400 | 407 |
| 753 | Marine resources | 11 | 236 | 254 | 343 |
| 753 | amino acids | 14 | 236 | 116 | 302 |
| 757 | Mitochondria | 6 | 235 | 108 | 147 |
| 757 | Work | 21 | 235 | 50 | 150 |
| 759 | Invertebrates | 11 | 230 | 224 | 270 |
| 760 | Family | 10 | 228 | 476 | 479 |
| 760 | brain mapping | 4 | 228 | 513 | 475 |
| 762 | biological invasions | 10 | 227 | 239 | 364 |
| 762 | energy resources | 6 | 227 | 925 | 1,225 |
| 762 | recreation | 12 | 227 | 275 | 277 |
| 765 | Serology | 10 | 226 | 153 | 211 |
| 765 | Coastal zone management | 11 | 226 | 248 | 352 |
| 767 | Genetic therapy | 13 | 224 | 422 | 671 |
| 768 | Oncogenes | 3 | 223 | 869 | 868 |
| 769 | Oral Medicine | 16 | 222 | 220 | 258 |
| 769 | health planning | 27 | 222 | 570 | 1,104 |
| 771 | Food service management | 2 | 221 | 543 | 382 |
| 772 | Veterinary Immunology | 6 | 220 | 200 | 164 |
| 772 | air quality management | 7 | 220 | 242 | 276 |
| 772 | land degradation | 8 | 220 | 206 | 283 |
| 772 | degradation | 8 | 220 | 206 | 283 |
| 776 | Acarology | 10 | 218 | 84 | 108 |
| 776 | Ticks | 10 | 218 | 80 | 108 |
| 776 | Acari | 10 | 218 | 80 | 108 |
| 779 | Jurisprudence | 11 | 215 | 439 | 438 |
| 780 | Carcinogenesis | 6 | 214 | 579 | 615 |
| 780 | Cell survival | 10 | 214 | 35 | 99 |
| 780 | older people | 35 | 214 | 350 | 621 |
| 780 | molecular chaperones | 10 | 214 | 43 | 99 |
| 784 | behavioral medicine | 9 | 213 | 647 | 984 |
| 784 | Protozoa | 7 | 213 | 228 | 229 |
| 784 | Muscle contraction | 18 | 213 | 33 | 21 |
| 787 | Neurotransmitters | 7 | 212 | 169 | 251 |
| 788 | locomotion | 12 | 211 | 238 | 392 |
| 788 | posture | 12 | 211 | 238 | 392 |
| 788 | gait | 12 | 211 | 238 | 392 |
| 788 | walking | 12 | 211 | 238 | 392 |
| 792 | Petroleum Engineering | 16 | 210 | 236 | 389 |
| 793 | Social policy | 41 | 208 | 117 | 471 |
| 793 | biochemical markers | 13 | 208 | 157 | 270 |
| 795 | History | 53 | 207 | 131 | 185 |
| 796 | energy development | 16 | 206 | 184 | 606 |
| 797 | Mining Engineering | 7 | 205 | 294 | 312 |
| 798 | Nanomedicine | 3 | 204 | 215 | 132 |
| 799 | Vocational guidance | 6 | 203 | 614 | 622 |
| 800 | sustainability | 4 | 202 | 736 | 693 |
| 800 | starch | 14 | 202 | 82 | 153 |
| 800 | Food preferences | 6 | 202 | 222 | 267 |
| 800 | Intellectual disability | 8 | 202 | 445 | 428 |
| 804 | Computational Chemistry | 12 | 200 | 255 | 447 |
| 804 | solar power | 4 | 200 | 678 | 653 |
| 804 | Taste | 11 | 200 | 95 | 144 |
| 804 | smell | 11 | 200 | 95 | 144 |
| 804 | ozone | 8 | 200 | 26 | 23 |
| 809 | Histology | 15 | 199 | 769 | 1,165 |
| 809 | Virulence | 4 | 199 | 825 | 935 |
| 811 | Food Safety | 13 | 198 | 32 | 90 |
| 811 | sedimentary basins | 7 | 198 | 100 | 139 |
| 813 | Andrology | 3 | 197 | 549 | 311 |
| 814 | health behavior | 10 | 195 | 430 | 575 |
| 814 | social justice | 1 | 195 | 731 | 72 |
| 816 | Ecological Genetics | 15 | 194 | 153 | 261 |
| 816 | Minerals | 12 | 194 | 234 | 390 |
| 818 | families | 8 | 193 | 483 | 414 |
| 818 | Electromagnetic fields | 6 | 193 | 206 | 31 |
| 820 | Otolaryngology | 11 | 192 | 229 | 283 |
| 820 | Edible plants | 6 | 192 | 74 | 107 |
| 822 | Liquid chromatography | 19 | 191 | 68 | 114 |
| 823 | teratogenic agents | 11 | 190 | 34 | 41 |
| 824 | flavor | 10 | 189 | 59 | 106 |
| 825 | Environmental Geochemistry | 11 | 188 | 125 | 234 |
| 825 | pheromones | 9 | 188 | 210 | 379 |
| 827 | Biological Systems | 15 | 187 | 96 | 318 |
| 828 | Magnetic Materials | 15 | 186 | 671 | 1,013 |
| 828 | Crystallography | 10 | 186 | 956 | 619 |
| 828 | Mineral resources | 8 | 186 | 259 | 472 |
| 828 | Animal | 8 | 186 | 46 | 50 |
| 832 | Sustainable agriculture | 8 | 184 | 325 | 439 |
| 833 | Multimedia Systems | 11 | 182 | 909 | 1,025 |
| 834 | Marriage | 9 | 181 | 243 | 280 |
| 834 | innovation | 2 | 181 | 755 | 623 |
| 834 | research and development | 2 | 181 | 419 | 251 |
| 837 | Ophthalmology | 13 | 180 | 814 | 1,052 |
| 837 | Microelectronics | 8 | 180 | 1,062 | 1,249 |
| 837 | Depression | 4 | 180 | 258 | 364 |
| 840 | Product Design | 9 | 177 | 269 | 238 |
| 840 | Regional Planning | 11 | 177 | 756 | 939 |
| 840 | Laser therapy | 6 | 177 | 240 | 154 |
| 843 | Highway Engineering | 11 | 176 | 143 | 187 |
| 843 | Accreditation | 10 | 176 | 22 | 15 |
| 845 | Psycholinguistics | 6 | 175 | 646 | 705 |
| 845 | Semiconductors | 18 | 175 | 802 | 1,146 |
| 845 | transgenic organisms | 2 | 175 | 290 | 151 |
| 845 | transgenic animals | 2 | 175 | 276 | 148 |
| 845 | Genetic testing | 29 | 175 | 8 | 69 |
| 845 | internet | 8 | 175 | 937 | 1,103 |
| 851 | Corporate Social Responsibility | 2 | 173 | 401 | 320 |
| 851 | environmental auditing | 2 | 173 | 421 | 321 |
| 851 | Sexuality | 4 | 173 | 238 | 122 |
| 854 | Medical Physics | 6 | 172 | 1,043 | 1,062 |
| 855 | Endocrine system | 32 | 171 | 110 | 134 |
| 856 | Ecological Engineering | 6 | 170 | 387 | 579 |
| 856 | Biogeochemical cycles | 1 | 170 | 604 | 463 |
| 856 | Nutritional support | 4 | 170 | 130 | 162 |
| 856 | Metallography | 3 | 170 | 800 | 530 |
| 856 | cryosphere | 8 | 170 | 202 | 288 |
| 861 | Organic Geochemistry | 4 | 169 | 299 | 321 |
| 861 | Globalization | 10 | 169 | 224 | 325 |
| 861 | Cosmochemistry | 4 | 169 | 755 | 671 |
| 864 | Forecasting | 8 | 168 | 247 | 329 |
| 864 | Water quality | 5 | 168 | 106 | 71 |
| 864 | Happiness | 9 | 168 | 126 | 312 |
| 864 | Water chemistry | 5 | 168 | 169 | 108 |
| 868 | biomedicine | 4 | 167 | 394 | 379 |
| 869 | North America | 10 | 166 | 346 | 419 |
| 869 | Cell communication | 2 | 166 | 705 | 539 |
| 871 | Cardiac electrophysiology | 1 | 164 | 378 | 212 |
| 871 | Food Security | 4 | 164 | 108 | 127 |
| 871 | arrhythmia | 1 | 164 | 378 | 212 |
| 874 | Nuclear Medicine | 5 | 161 | 650 | 551 |
| 874 | Systems Biology | 8 | 161 | 829 | 1,030 |
| 874 | Digital electronics | 14 | 161 | 50 | 61 |
| 874 | Molecular Imaging | 4 | 161 | 469 | 450 |
| 874 | cell adhesion molecules | 1 | 161 | 387 | 238 |
| 879 | Geriatric Psychiatry | 10 | 160 | 432 | 620 |
| 879 | Virtual reality | 10 | 160 | 129 | 253 |
| 881 | Adolescent Psychology | 9 | 159 | 425 | 583 |
| 882 | health services accessibility | 7 | 158 | 544 | 581 |
| 883 | Maternal health services | 5 | 156 | 259 | 240 |
| 884 | vibration | 4 | 155 | 1,014 | 823 |
| 885 | Reproductive health | 9 | 154 | 345 | 484 |
| 885 | Socioeconomic Factors | 5 | 154 | 557 | 562 |
| 885 | Brain damage | 4 | 154 | 295 | 258 |
| 885 | Immunity | 4 | 154 | 1,264 | 1,470 |
| 889 | Nondestructive testing | 12 | 153 | 238 | 408 |
| 889 | Chemical kinetics | 8 | 153 | 380 | 256 |
| 891 | Feminism | 30 | 152 | 66 | 292 |
| 891 | animal diseases | 8 | 152 | 247 | 306 |
| 891 | Thorax | 4 | 152 | 304 | 335 |
| 894 | Geographic information systems | 21 | 151 | 234 | 616 |
| 894 | Geriatric Oncology | 6 | 151 | 320 | 429 |
| 896 | Marine Ecology | 13 | 149 | 313 | 497 |
| 896 | healthcare disparities | 5 | 149 | 330 | 318 |
| 896 | Coronary heart disease | 6 | 149 | 99 | 52 |
| 899 | Speech Disorders | 7 | 148 | 664 | 699 |
| 899 | Welding | 8 | 148 | 111 | 53 |
| 899 | human development | 4 | 148 | 689 | 660 |
| 902 | Global Health | 8 | 145 | 541 | 599 |
| 902 | Special Education | 22 | 145 | 213 | 461 |
| 902 | Naval Architecture | 6 | 145 | 265 | 169 |
| 902 | Magnetic Resonance Spectroscopy | 8 | 145 | 672 | 671 |
| 902 | nuclear magnetic resonance spectroscopy | 8 | 145 | 434 | 417 |
| 902 | homosexuality | 4 | 145 | 336 | 281 |
| 902 | NMR | 8 | 145 | 284 | 262 |
| 902 | magnetic resonance | 8 | 145 | 289 | 279 |
| 910 | Music Therapy | 3 | 144 | 197 | 86 |
| 910 | drug resistance | 14 | 144 | 160 | 528 |
| 910 | Soil fertility | 6 | 144 | 188 | 328 |
| 913 | Freshwater invertebrates | 2 | 143 | 282 | 199 |
| 914 | Host-parasite interactions | 4 | 142 | 929 | 1,114 |
| 914 | Testing | 4 | 142 | 37 | 28 |
| 916 | Materials Engineering | 14 | 139 | 177 | 347 |
| 916 | Light | 6 | 139 | 629 | 899 |
| 916 | toxicity testing | 7 | 139 | 290 | 447 |
| 919 | Graph Theory | 8 | 138 | 413 | 321 |
| 919 | Rheology | 8 | 138 | 299 | 396 |
| 919 | Freeze-Drying | 14 | 138 | 70 | 227 |
| 919 | Hypothermia | 14 | 138 | 70 | 227 |
| 919 | Freeze Drying | 14 | 138 | 70 | 227 |
| 919 | Genetic markers | 5 | 138 | 126 | 113 |
| 925 | Agricultural Engineering | 3 | 137 | 439 | 335 |
| 925 | Visual Communication | 3 | 137 | 450 | 222 |
| 925 | sanitation | 5 | 137 | 1,132 | 1,601 |
| 925 | Image enhancement | 3 | 137 | 350 | 210 |
| 929 | supercritical fluids | 8 | 136 | 203 | 343 |
| 930 | Geometry | 18 | 135 | 450 | 512 |
| 930 | Heart Failure | 5 | 135 | 259 | 369 |
| 930 | Social problems | 6 | 135 | 414 | 524 |
| 933 | Social Movements | 36 | 134 | 3 | 49 |
| 934 | Scandinavia | 4 | 133 | 498 | 411 |
| 934 | Criminal investigation | 4 | 133 | 143 | 90 |
| 936 | Radiology | 14 | 132 | 545 | 763 |
| 937 | Biosensors | 2 | 130 | 1,422 | 1,446 |
| 937 | Mental Health Services | 9 | 130 | 616 | 832 |
| 937 | Organ transplantation | 8 | 130 | 169 | 168 |
| 937 | body temperature | 10 | 130 | 162 | 335 |
| 937 | bees | 9 | 130 | 175 | 273 |
| 937 | Gastrointestinal diseases | 7 | 130 | 351 | 387 |
| 943 | Mobile Computing | 5 | 129 | 865 | 804 |
| 943 | Superconductors | 23 | 129 | 285 | 512 |
| 943 | medical education | 10 | 129 | 855 | 1,144 |
| 943 | Familial diseases | 7 | 129 | 78 | 102 |
| 947 | Computer Architecture | 13 | 128 | 165 | 269 |
| 947 | breastfeeding | 7 | 128 | 246 | 323 |
| 947 | Interactive multimedia | 5 | 128 | 410 | 513 |
| 950 | polar regions | 12 | 127 | 241 | 452 |
| 951 | Neurolinguistics | 4 | 126 | 361 | 425 |
| 951 | Hydrodynamics | 4 | 126 | 503 | 508 |
| 951 | Synapses | 3 | 126 | 240 | 230 |
| 951 | drug abuse | 7 | 126 | 351 | 429 |
| 955 | Clinical Immunology | 5 | 125 | 728 | 826 |
| 955 | ovary | 7 | 125 | 79 | 131 |
| 955 | Trace elements | 3 | 125 | 259 | 279 |
| 955 | impact | 4 | 125 | 250 | 326 |
| 959 | violence | 6 | 124 | 653 | 785 |
| 960 | Linguistics | 50 | 123 | 234 | 821 |
| 960 | Morphology | 7 | 123 | 557 | 526 |
| 960 | Mining Geology | 20 | 123 | 11 | 39 |
| 960 | Bifurcation Theory | 3 | 123 | 273 | 153 |
| 960 | Speech | 3 | 123 | 856 | 744 |
| 960 | language | 3 | 123 | 803 | 667 |
| 966 | environmental issues | 4 | 122 | 327 | 390 |
| 967 | Kinesiology | 8 | 121 | 45 | 93 |
| 967 | Data Mining | 7 | 121 | 594 | 835 |
| 967 | Kinetics | 8 | 121 | 211 | 304 |
| 967 | species diversity | 26 | 121 | 16 | 12 |
| 971 | Emergency Medical Services | 4 | 120 | 527 | 416 |
| 971 | Differential Equations | 10 | 120 | 562 | 694 |
| 971 | drug development | 6 | 120 | 552 | 980 |
| 971 | Argentina | 8 | 120 | 15 | 12 |
| 971 | Bacterial diseases | 3 | 120 | 259 | 251 |
| 971 | Genes | 7 | 120 | 658 | 883 |
| 977 | Hydrogeology | 1 | 119 | 1,162 | 562 |
| 977 | Elderly | 12 | 119 | 539 | 537 |
| 979 | Risk Management | 6 | 118 | 401 | 551 |
| 979 | Human evolution | 9 | 118 | 211 | 441 |
| 979 | Radioisotopes | 8 | 118 | 622 | 627 |
| 979 | particles | 12 | 118 | 357 | 786 |
| 979 | clay minerals | 7 | 118 | 127 | 263 |
| 984 | Health Services Administration | 7 | 117 | 568 | 747 |
| 984 | Horticulture | 8 | 117 | 401 | 518 |
| 984 | Geodesy | 3 | 117 | 765 | 557 |
| 984 | Quantum Optics | 5 | 117 | 691 | 605 |
| 984 | kidney | 1 | 117 | 125 | 76 |
| 989 | Atmospheric Physics | 9 | 116 | 865 | 1,305 |
| 989 | diffusion | 26 | 116 | 30 | 37 |
| 989 | Immunohistochemistry | 12 | 116 | 36 | 81 |
| 989 | Marriage counseling | 6 | 116 | 188 | 252 |
| 993 | Applied Linguistics | 45 | 115 | 35 | 370 |
| 993 | Cognitive neuroscience | 6 | 115 | 660 | 918 |
| 995 | Infrared spectroscopy | 7 | 114 | 117 | 221 |
| 996 | Solar power plants | 4 | 113 | 123 | 170 |
| 996 | Thin Films | 10 | 113 | 186 | 293 |
| 996 | Photovoltaic Cells | 4 | 113 | 123 | 170 |
| 996 | packaging | 5 | 113 | 62 | 79 |
| 1000 | Dietetics | 9 | 112 | 308 | 443 |