| 1 | Crystallography | 162 | 154.1K | 45 | 1 |
| 2 | Physics | 2,183 | 122.8K | 223 | 244 |
| 3 | Chemistry | 2,967 | 117.7K | 103 | 159 |
| 4 | Science | 1,412 | 102.9K | 251 | 246 |
| 5 | Biology | 1,569 | 97.2K | 212 | 250 |
| 6 | Ecology | 1,307 | 76.1K | 78 | 77 |
| 7 | Neurology | 1,100 | 75.7K | 154 | 118 |
| 8 | Biochemistry | 1,823 | 74.3K | 219 | 187 |
| 9 | Molecular Biology | 1,013 | 60.3K | 258 | 218 |
| 10 | Microbiology | 1,262 | 52.6K | 100 | 141 |
| 11 | Natural history | 181 | 43.7K | 352 | 289 |
| 12 | Cytology | 612 | 41.7K | 160 | 177 |
| 13 | Medicine | 1,063 | 41.6K | 350 | 357 |
| 14 | Research | 930 | 35.1K | 264 | 212 |
| 15 | Cell Biology | 499 | 32.8K | 181 | 217 |
| 16 | Astrophysics | 1,036 | 32.7K | 191 | 355 |
| 17 | Botany | 823 | 32.0K | 70 | 85 |
| 18 | Physiology | 833 | 29.8K | 78 | 95 |
| 19 | Environment | 416 | 29.8K | 178 | 137 |
| 20 | Astronomy | 625 | 28.1K | 272 | 302 |
| 21 | Pollution | 347 | 26.3K | 278 | 160 |
| 22 | soil microbiology | 392 | 23.7K | 7 | 12 |
| 23 | Soil biology | 368 | 23.1K | 3 | 5 |
| 24 | Solid State Physics | 775 | 22.0K | 174 | 203 |
| 25 | Condensed Matter | 749 | 21.7K | 165 | 217 |
| 26 | Nuclear Physics | 953 | 20.5K | 287 | 409 |
| 27 | Neurophysiology | 353 | 19.8K | 149 | 164 |
| 28 | Nervous system | 195 | 18.4K | 133 | 72 |
| 29 | Biotechnology | 374 | 18.0K | 305 | 290 |
| 30 | Brain | 235 | 17.9K | 188 | 83 |
| 31 | Psychiatry | 322 | 17.5K | 281 | 231 |
| 32 | Human genetics | 204 | 16.8K | 147 | 339 |
| 33 | Biodiversity conservation | 233 | 16.6K | 27 | 43 |
| 34 | Geology | 417 | 15.8K | 139 | 130 |
| 35 | Plant Ecology | 378 | 14.4K | 5 | 8 |
| 36 | Biophysics | 574 | 14.1K | 266 | 313 |
| 37 | Genetics | 309 | 14.0K | 220 | 306 |
| 38 | Geophysics | 245 | 13.4K | 453 | 300 |
| 39 | Geochemistry | 235 | 13.4K | 140 | 99 |
| 40 | Agriculture | 276 | 13.2K | 61 | 26 |
| 41 | Polymers | 388 | 13.0K | 292 | 260 |
| 42 | Mathematical Physics | 363 | 12.7K | 88 | 83 |
| 43 | Soil Science | 418 | 12.7K | 25 | 40 |
| 44 | Climate change | 133 | 12.4K | 25 | 44 |
| 44 | Eutrophication | 131 | 12.4K | 26 | 44 |
| 46 | Immunology | 280 | 12.3K | 354 | 393 |
| 47 | Materials | 354 | 12.3K | 587 | 553 |
| 48 | Pediatric Neurology | 74 | 12.0K | 116 | 57 |
| 49 | Mental Disorders | 129 | 11.8K | 348 | 165 |
| 50 | Medical genetics | 196 | 11.8K | 254 | 220 |
| 51 | Forest Ecology | 284 | 10.8K | 13 | 17 |
| 52 | environmental pollution | 170 | 10.7K | 377 | 207 |
| 53 | Petrology | 272 | 10.6K | 12 | 26 |
| 54 | Mathematics | 762 | 10.6K | 236 | 210 |
| 55 | polymerization | 287 | 10.6K | 298 | 229 |
| 56 | Virology | 133 | 10.5K | 432 | 443 |
| 57 | Microbial Ecology | 160 | 10.1K | 145 | 148 |
| 58 | Mineralogy | 274 | 10.0K | 21 | 29 |
| 59 | Endocrinology | 179 | 9.8K | 310 | 295 |
| 60 | Plant physiology | 203 | 9.7K | 85 | 92 |
| 61 | biological evolution | 223 | 9.3K | 84 | 163 |
| 62 | Pharmacology | 309 | 9.3K | 486 | 452 |
| 63 | Biodiversity | 233 | 9.3K | 33 | 52 |
| 64 | Nanotechnology | 217 | 9.1K | 584 | 563 |
| 65 | Psychophysiology | 216 | 8.9K | 258 | 252 |
| 66 | Forest Management | 222 | 8.7K | 23 | 24 |
| 67 | Economic History | 271 | 8.7K | 113 | 47 |
| 68 | Bioengineering | 171 | 8.7K | 381 | 386 |
| 69 | Animal Behavior | 258 | 8.7K | 79 | 129 |
| 70 | Pathology | 267 | 8.6K | 92 | 138 |
| 71 | Plant diseases | 245 | 8.4K | 80 | 51 |
| 72 | Statistical physics | 326 | 8.3K | 316 | 323 |
| 73 | Neurobiology | 119 | 8.2K | 175 | 152 |
| 74 | Hematology | 192 | 8.1K | 538 | 357 |
| 75 | world | 132 | 7.7K | 11 | 10 |
| 76 | Plant cells | 102 | 7.4K | 125 | 179 |
| 77 | Earth Sciences | 279 | 7.4K | 106 | 189 |
| 78 | Agricultural Ecology | 122 | 7.3K | 35 | 33 |
| 79 | Economic Development | 178 | 7.3K | 33 | 45 |
| 80 | Meteorites | 119 | 7.3K | 110 | 98 |
| 81 | Neurotransmitters | 38 | 7.3K | 67 | 4 |
| 82 | Developing countries | 176 | 7.0K | 72 | 52 |
| 83 | Metals | 153 | 7.0K | 215 | 147 |
| 84 | Developmental Biology | 184 | 7.0K | 155 | 245 |
| 85 | Spectrum analysis | 178 | 6.9K | 603 | 663 |
| 86 | Neuropsychology | 167 | 6.7K | 153 | 124 |
| 87 | Environmental Health | 118 | 6.7K | 760 | 534 |
| 88 | plant communities | 153 | 6.7K | 11 | 31 |
| 89 | Neurochemistry | 154 | 6.7K | 215 | 211 |
| 90 | Wildlife conservation | 97 | 6.6K | 63 | 34 |
| 91 | Cardiovascular system | 146 | 6.5K | 134 | 198 |
| 92 | Neurons | 38 | 6.4K | 132 | 153 |
| 93 | Sleep Disorders | 78 | 6.3K | 223 | 74 |
| 94 | Statistics | 196 | 6.3K | 175 | 157 |
| 95 | Sleep | 77 | 6.3K | 227 | 77 |
| 96 | Economics | 298 | 6.3K | 283 | 299 |
| 97 | Histology | 226 | 6.3K | 37 | 81 |
| 98 | Diabetes mellitus | 103 | 6.2K | 273 | 260 |
| 98 | Diabetes | 102 | 6.2K | 319 | 274 |
| 100 | Mental illness | 62 | 6.2K | 360 | 165 |
| 101 | Biomedical Engineering | 107 | 6.1K | 733 | 346 |
| 102 | Development | 126 | 6.0K | 19 | 18 |
| 103 | Soil ecology | 143 | 6.0K | 9 | 9 |
| 104 | Biogeochemistry | 159 | 5.9K | 25 | 71 |
| 105 | Psychology | 207 | 5.9K | 486 | 461 |
| 106 | Nonlinear Dynamics | 213 | 5.8K | 125 | 147 |
| 107 | Genomics | 163 | 5.7K | 218 | 198 |
| 108 | Plants | 136 | 5.7K | 145 | 201 |
| 109 | Metallurgy | 143 | 5.6K | 259 | 191 |
| 110 | Biogeography | 105 | 5.6K | 19 | 29 |
| 111 | Cancer | 140 | 5.5K | 539 | 567 |
| 112 | Computational Biology | 97 | 5.5K | 281 | 220 |
| 113 | Embryology | 210 | 5.5K | 76 | 192 |
| 114 | Geography | 125 | 5.5K | 241 | 141 |
| 115 | Catalysis | 138 | 5.4K | 595 | 589 |
| 116 | Numerical Analysis | 99 | 5.4K | 207 | 44 |
| 117 | Industrial Microbiology | 109 | 5.3K | 80 | 57 |
| 118 | plant molecular biology | 104 | 5.3K | 144 | 196 |
| 119 | Medical Laboratory Science | 116 | 5.3K | 97 | 69 |
| 120 | Metabolism | 121 | 5.2K | 410 | 445 |
| 121 | Economic Assistance | 95 | 5.2K | 20 | 18 |
| 122 | United Kingdom | 127 | 5.1K | 91 | 115 |
| 123 | Europe | 212 | 5.1K | 171 | 125 |
| 124 | Metabolic diseases | 99 | 5.1K | 367 | 380 |
| 125 | Bioinformatics | 68 | 5.0K | 272 | 184 |
| 126 | Pharmaceutical Chemistry | 99 | 5.0K | 656 | 432 |
| 126 | Evolution | 112 | 5.0K | 185 | 216 |
| 128 | Physical Chemistry | 229 | 5.0K | 77 | 194 |
| 129 | nucleic acids | 86 | 4.9K | 248 | 286 |
| 130 | Food | 102 | 4.9K | 323 | 183 |
| 131 | Anatomy | 196 | 4.8K | 89 | 203 |
| 132 | Organic Chemistry | 133 | 4.8K | 377 | 292 |
| 133 | Bacteriology | 83 | 4.6K | 281 | 272 |
| 134 | Animal ecology | 102 | 4.6K | 88 | 62 |
| 135 | Cell differentiation | 85 | 4.6K | 252 | 316 |
| 136 | Critical Care | 94 | 4.6K | 176 | 212 |
| 136 | Critical Care Medicine | 94 | 4.6K | 180 | 207 |
| 138 | Environmental Engineering | 47 | 4.5K | 959 | 430 |
| 139 | Atmospheric Physics | 22 | 4.5K | 717 | 237 |
| 140 | Ethology | 110 | 4.4K | 160 | 192 |
| 141 | Entomology | 268 | 4.3K | 80 | 100 |
| 142 | Atmospheric Chemistry | 15 | 4.3K | 537 | 189 |
| 143 | Biochemical Engineering | 45 | 4.3K | 865 | 572 |
| 144 | Bioorganic chemistry | 112 | 4.3K | 290 | 255 |
| 145 | Materials Science | 118 | 4.3K | 851 | 756 |
| 146 | Zoology | 116 | 4.3K | 274 | 148 |
| 147 | Toxicology | 144 | 4.2K | 592 | 619 |
| 148 | Medical Microbiology | 115 | 4.2K | 236 | 302 |
| 149 | Psychopharmacology | 53 | 4.1K | 326 | 194 |
| 150 | Immunity | 48 | 4.1K | 511 | 484 |
| 151 | Clinical Chemistry | 85 | 4.1K | 458 | 319 |
| 152 | Paleoecology | 114 | 4.0K | 33 | 34 |
| 153 | antibiotics | 106 | 4.0K | 22 | 13 |
| 154 | ecosystem | 82 | 4.0K | 75 | 86 |
| 155 | X-ray crystallography | 61 | 4.0K | 37 | 31 |
| 156 | cell physiology | 56 | 4.0K | 256 | 194 |
| 157 | Solid State Chemistry | 179 | 3.9K | 130 | 139 |
| 158 | Data Mining | 34 | 3.8K | 249 | 71 |
| 159 | Molecular Genetics | 85 | 3.8K | 210 | 227 |
| 160 | Child psychology | 55 | 3.8K | 291 | 222 |
| 161 | Psychosomatic Medicine | 50 | 3.8K | 101 | 51 |
| 162 | Cytogenetics | 42 | 3.8K | 334 | 254 |
| 163 | Behavior | 93 | 3.7K | 456 | 488 |
| 164 | drug therapy | 106 | 3.7K | 280 | 251 |
| 165 | management | 66 | 3.7K | 677 | 515 |
| 166 | Meteorology | 72 | 3.7K | 454 | 378 |
| 167 | data collection | 27 | 3.6K | 169 | 43 |
| 168 | genome | 34 | 3.6K | 398 | 271 |
| 169 | Technology | 99 | 3.6K | 591 | 393 |
| 170 | Reproduction | 176 | 3.6K | 144 | 231 |
| 171 | Leukemia | 40 | 3.6K | 334 | 165 |
| 172 | Hydrology | 109 | 3.5K | 274 | 249 |
| 173 | Comparative Physiology | 123 | 3.5K | 23 | 31 |
| 174 | Cognition | 113 | 3.4K | 183 | 220 |
| 175 | Muscles | 55 | 3.4K | 76 | 43 |
| 176 | Molecular structure | 52 | 3.4K | 440 | 241 |
| 177 | Aging | 59 | 3.3K | 614 | 322 |
| 178 | Primates | 121 | 3.3K | 26 | 29 |
| 179 | Quantum Gravity | 113 | 3.3K | 529 | 524 |
| 180 | Organometallic compounds | 98 | 3.2K | 55 | 57 |
| 181 | sanitation | 21 | 3.2K | 643 | 346 |
| 182 | gene mapping | 83 | 3.1K | 205 | 265 |
| 183 | human behavior | 72 | 3.1K | 373 | 426 |
| 184 | Environmental Policy | 132 | 3.0K | 196 | 454 |
| 185 | Chromosome mapping | 79 | 3.0K | 169 | 185 |
| 186 | Environmental Management | 105 | 3.0K | 178 | 300 |
| 187 | personality | 70 | 3.0K | 200 | 220 |
| 188 | Breeding | 152 | 3.0K | 57 | 93 |
| 189 | Social Psychology | 57 | 3.0K | 433 | 339 |
| 190 | Paleoclimatology | 88 | 3.0K | 67 | 88 |
| 191 | Sarcopenia | 38 | 3.0K | 5 | 5 |
| 192 | Organometallic chemistry | 139 | 3.0K | 40 | 35 |
| 193 | Soil fertility | 64 | 2.9K | 6 | 10 |
| 194 | Colloids | 131 | 2.9K | 537 | 731 |
| 195 | Growth | 97 | 2.9K | 130 | 288 |
| 196 | Public Health | 109 | 2.9K | 928 | 954 |
| 197 | Chemical Engineering | 108 | 2.8K | 894 | 1015 |
| 198 | Bioinorganic chemistry | 133 | 2.8K | 39 | 61 |
| 199 | Nutrition | 79 | 2.8K | 853 | 758 |
| 200 | Hypertension | 28 | 2.7K | 578 | 382 |
| 201 | Sociology | 109 | 2.7K | 345 | 348 |
| 202 | Food Policy | 50 | 2.7K | 19 | 14 |
| 202 | agricultural policy | 50 | 2.7K | 11 | 9 |
| 204 | Synaptic Transmission | 66 | 2.6K | 15 | 10 |
| 205 | Land use | 88 | 2.6K | 26 | 33 |
| 206 | Biocompatible Materials | 42 | 2.5K | 1260 | 971 |
| 207 | Allergy | 20 | 2.5K | 534 | 352 |
| 208 | miniaturization | 61 | 2.4K | 320 | 436 |
| 209 | wood | 129 | 2.4K | 14 | 10 |
| 210 | Molecular Microbiology | 44 | 2.3K | 151 | 202 |
| 211 | Clinical Pharmacology | 68 | 2.3K | 152 | 106 |
| 212 | Molecular evolution | 44 | 2.3K | 267 | 249 |
| 213 | Marine Biology | 64 | 2.3K | 589 | 487 |
| 214 | Child Development | 67 | 2.3K | 331 | 332 |
| 215 | United States | 93 | 2.2K | 834 | 784 |
| 216 | Plant Morphology | 102 | 2.2K | 5 | 5 |
| 217 | Obstetrics | 76 | 2.2K | 449 | 368 |
| 218 | Surgery | 20 | 2.2K | 1033 | 653 |
| 219 | Paleogeography | 57 | 2.2K | 81 | 91 |
| 220 | China | 113 | 2.2K | 276 | 222 |
| 221 | Environmental Geology | 74 | 2.1K | 87 | 110 |
| 222 | natural products | 69 | 2.1K | 154 | 149 |
| 223 | Composite Materials | 13 | 2.1K | 1586 | 577 |
| 224 | Chromosomes | 37 | 2.1K | 155 | 101 |
| 225 | Microelectronics | 55 | 2.1K | 371 | 433 |
| 226 | Perception | 104 | 2.1K | 240 | 345 |
| 227 | Neuropsychiatry | 48 | 2.1K | 95 | 71 |
| 228 | Cognitive neuroscience | 35 | 2.0K | 250 | 263 |
| 229 | Political Science | 53 | 2.0K | 387 | 198 |
| 230 | nanoscience | 49 | 2.0K | 760 | 743 |
| 231 | Respiration | 40 | 2.0K | 360 | 235 |
| 232 | Liver diseases | 43 | 2.0K | 379 | 483 |
| 233 | Water | 49 | 2.0K | 558 | 642 |
| 234 | Fertilizers | 143 | 2.0K | 11 | 19 |
| 235 | economic policy | 128 | 2.0K | 138 | 168 |
| 236 | Optics | 146 | 1.9K | 850 | 861 |
| 237 | Membranes | 50 | 1.9K | 360 | 402 |
| 238 | Genetic engineering | 55 | 1.9K | 332 | 406 |
| 239 | Memory | 95 | 1.9K | 246 | 372 |
| 240 | psychotherapy | 60 | 1.9K | 231 | 251 |
| 241 | Manufacturing Processes | 7 | 1.9K | 1898 | 300 |
| 241 | Social behavior | 56 | 1.9K | 153 | 184 |
| 243 | Conservation Biology | 37 | 1.9K | 201 | 176 |
| 244 | Environmental Microbiology | 52 | 1.9K | 148 | 247 |
| 245 | Pediatrics | 38 | 1.9K | 812 | 673 |
| 246 | Green Chemistry | 35 | 1.9K | 443 | 369 |
| 247 | Nanostructures | 22 | 1.9K | 792 | 388 |
| 247 | Planets | 50 | 1.9K | 518 | 535 |
| 249 | Environmental monitoring | 67 | 1.9K | 651 | 880 |
| 250 | Animal Nutrition | 264 | 1.9K | 4 | 25 |
| 251 | Geodynamics | 58 | 1.8K | 111 | 143 |
| 251 | Sedimentary rocks | 38 | 1.8K | 32 | 22 |
| 253 | Water pollution | 34 | 1.8K | 855 | 635 |
| 254 | Insects | 43 | 1.8K | 272 | 131 |
| 255 | Astrocytes | 27 | 1.8K | 61 | 62 |
| 256 | Geomorphology | 55 | 1.8K | 179 | 216 |
| 257 | Nanostructured Materials | 71 | 1.8K | 741 | 815 |
| 258 | Epidemiology | 53 | 1.8K | 964 | 821 |
| 259 | Biometrics | 73 | 1.8K | 120 | 159 |
| 259 | Fungi | 38 | 1.8K | 197 | 173 |
| 261 | pain | 38 | 1.7K | 313 | 304 |
| 262 | Phylogeny | 39 | 1.7K | 124 | 117 |
| 263 | Population Genetics | 49 | 1.7K | 209 | 287 |
| 264 | Mycology | 48 | 1.7K | 302 | 259 |
| 265 | Algae | 41 | 1.7K | 118 | 88 |
| 266 | Diagnostic Imaging | 39 | 1.7K | 497 | 329 |
| 267 | Decision making | 22 | 1.7K | 434 | 178 |
| 268 | soil management | 34 | 1.7K | 68 | 46 |
| 269 | Cell death | 27 | 1.7K | 371 | 318 |
| 270 | Therapeutics | 38 | 1.7K | 445 | 393 |
| 271 | Animal genetics | 103 | 1.6K | 38 | 60 |
| 272 | Paleobotany | 49 | 1.6K | 4 | 5 |
| 273 | Clinical Psychology | 41 | 1.6K | 328 | 388 |
| 273 | Vegetation dynamics | 48 | 1.6K | 2 | 5 |
| 275 | Ultrasonics | 28 | 1.6K | 196 | 85 |
| 276 | Combustion | 33 | 1.6K | 334 | 197 |
| 277 | viruses | 31 | 1.6K | 509 | 496 |
| 278 | Molecular ecology | 38 | 1.6K | 234 | 310 |
| 279 | Public Choice | 12 | 1.6K | 131 | 15 |
| 279 | Group decision making | 12 | 1.6K | 169 | 19 |
| 281 | Analytical Chemistry | 153 | 1.6K | 605 | 1233 |
| 282 | Orthopedics | 16 | 1.6K | 790 | 271 |
| 283 | Natural resources | 33 | 1.5K | 110 | 94 |
| 284 | Visual Perception | 94 | 1.5K | 213 | 344 |
| 285 | Child | 40 | 1.5K | 673 | 399 |
| 286 | Sustainable Development | 60 | 1.5K | 157 | 265 |
| 287 | tillage | 28 | 1.5K | 56 | 42 |
| 288 | Morphology | 82 | 1.5K | 28 | 66 |
| 288 | forest policy | 68 | 1.5K | 23 | 21 |
| 290 | Bioenergetics | 36 | 1.5K | 158 | 135 |
| 290 | Energy metabolism | 36 | 1.5K | 145 | 125 |
| 292 | Medical Oncology | 45 | 1.5K | 532 | 484 |
| 293 | Radiation effects | 35 | 1.5K | 33 | 30 |
| 294 | Paleontology | 122 | 1.5K | 100 | 191 |
| 295 | Sonochemistry | 20 | 1.5K | 92 | 47 |
| 296 | Scandinavia | 39 | 1.5K | 86 | 58 |
| 297 | Nuclear Medicine | 22 | 1.5K | 386 | 193 |
| 298 | Molecular Imaging | 20 | 1.5K | 257 | 139 |
| 298 | brain mapping | 19 | 1.5K | 227 | 126 |
| 300 | Radiobiology | 60 | 1.5K | 357 | 355 |
| 301 | cell membrane | 35 | 1.5K | 129 | 116 |
| 302 | Attention | 87 | 1.5K | 238 | 365 |
| 303 | Information Technology | 32 | 1.4K | 581 | 251 |
| 303 | Pharmacognosy | 37 | 1.4K | 415 | 343 |
| 305 | Genes | 79 | 1.4K | 57 | 94 |
| 306 | Medical Physics | 80 | 1.4K | 263 | 387 |
| 307 | environmental indicators | 52 | 1.4K | 55 | 78 |
| 308 | Diagnostic microbiology | 12 | 1.4K | 778 | 473 |
| 309 | Aquaculture | 49 | 1.4K | 286 | 266 |
| 310 | Engineering | 73 | 1.3K | 752 | 630 |
| 310 | Climatology | 46 | 1.3K | 441 | 510 |
| 312 | Hormones | 39 | 1.3K | 287 | 280 |
| 313 | Histochemistry | 53 | 1.3K | 108 | 104 |
| 314 | marketing | 20 | 1.3K | 745 | 461 |
| 315 | Photonics | 24 | 1.3K | 670 | 535 |
| 315 | probabilities | 76 | 1.3K | 171 | 119 |
| 317 | environmental protection | 44 | 1.3K | 783 | 835 |
| 318 | Surface Chemistry | 54 | 1.3K | 1112 | 1220 |
| 319 | Bacteria | 27 | 1.3K | 50 | 61 |
| 320 | Ecosystem management | 34 | 1.3K | 80 | 93 |
| 320 | biological factors | 42 | 1.3K | 320 | 344 |
| 322 | Mass Spectrometry | 35 | 1.3K | 289 | 222 |
| 323 | Learning | 44 | 1.2K | 249 | 314 |
| 324 | Social Sciences | 76 | 1.2K | 569 | 475 |
| 325 | Animal breeding | 112 | 1.2K | 33 | 90 |
| 326 | Inflammation | 16 | 1.2K | 505 | 205 |
| 327 | Electronics | 38 | 1.2K | 1228 | 772 |
| 328 | Operations Research | 64 | 1.2K | 391 | 542 |
| 328 | Soft Condensed Matter | 68 | 1.2K | 130 | 227 |
| 330 | Groundwater | 50 | 1.2K | 71 | 75 |
| 331 | Lipids | 45 | 1.2K | 186 | 323 |
| 332 | Minerals | 20 | 1.2K | 151 | 46 |
| 333 | Light | 19 | 1.2K | 356 | 420 |
| 334 | Immune system | 18 | 1.2K | 420 | 569 |
| 335 | Artificial Intelligence | 60 | 1.2K | 812 | 876 |
| 336 | Plant breeding | 66 | 1.2K | 68 | 89 |
| 337 | Electrochemistry | 70 | 1.2K | 1042 | 1169 |
| 338 | Optical materials | 23 | 1.2K | 1152 | 869 |
| 339 | feeding behavior | 20 | 1.1K | 230 | 124 |
| 339 | Appetite | 20 | 1.1K | 187 | 92 |
| 341 | histological techniques | 20 | 1.1K | 163 | 117 |
| 342 | Seaweed | 22 | 1.1K | 152 | 105 |
| 343 | behavioral medicine | 23 | 1.1K | 392 | 326 |
| 344 | Thrombosis | 23 | 1.1K | 404 | 282 |
| 345 | Oncogenes | 23 | 1.1K | 474 | 567 |
| 345 | Microscopy | 54 | 1.1K | 216 | 206 |
| 347 | Genetic regulation | 22 | 1.1K | 384 | 420 |
| 347 | Recombinant DNA | 33 | 1.1K | 321 | 276 |
| 349 | Alzheimer's disease | 42 | 1.1K | 399 | 271 |
| 350 | Homeostasis | 5 | 1.1K | 385 | 375 |
| 350 | Cell metabolism | 5 | 1.1K | 593 | 383 |
| 352 | Immunotherapy | 10 | 1.1K | 1248 | 674 |
| 353 | Computer Graphics | 17 | 1.1K | 713 | 333 |
| 354 | Sustainable agriculture | 35 | 1.1K | 82 | 76 |
| 355 | Agricultural systems | 37 | 1.1K | 30 | 44 |
| 355 | biopolymers | 53 | 1.1K | 185 | 268 |
| 357 | Developmental Psychology | 40 | 1.1K | 218 | 305 |
| 357 | Radiation | 50 | 1.1K | 408 | 380 |
| 359 | Cerebral cortex | 19 | 1.0K | 366 | 303 |
| 360 | Health | 65 | 1.0K | 326 | 492 |
| 360 | water supply | 30 | 1.0K | 254 | 286 |
| 362 | Africa | 49 | 1.0K | 217 | 113 |
| 363 | Linguistics | 66 | 1.0K | 219 | 226 |
| 364 | Human biology | 16 | 1.0K | 210 | 47 |
| 365 | Agronomy | 26 | 1.0K | 131 | 149 |
| 366 | Microorganisms | 22 | 1.0K | 359 | 376 |
| 367 | Landscape Ecology | 43 | 1.0K | 24 | 78 |
| 368 | food technology | 10 | 985 | 1688 | 668 |
| 369 | Clinical Biochemistry | 30 | 971 | 321 | 244 |
| 370 | Sustainable Engineering | 21 | 967 | 592 | 444 |
| 371 | Cosmochemistry | 33 | 965 | 159 | 199 |
| 372 | Education | 58 | 964 | 855 | 712 |
| 373 | Stem cells | 36 | 957 | 408 | 538 |
| 374 | Molecules | 47 | 949 | 373 | 407 |
| 374 | human development | 28 | 949 | 170 | 175 |
| 376 | Host-parasite interactions | 24 | 929 | 399 | 624 |
| 377 | Chronic diseases | 13 | 926 | 337 | 300 |
| 378 | Genetic disorders | 54 | 924 | 37 | 110 |
| 379 | drugs | 66 | 923 | 294 | 511 |
| 380 | Psycholinguistics | 32 | 920 | 242 | 278 |
| 381 | scientific societies | 51 | 918 | 69 | 139 |
| 382 | Feminist Economics | 9 | 916 | 10 | 2 |
| 382 | Molecular cloning | 27 | 916 | 370 | 299 |
| 382 | Feminism | 10 | 916 | 285 | 26 |
| 382 | Approximation Theory | 32 | 916 | 60 | 22 |
| 386 | Molecular Spectroscopy | 53 | 909 | 238 | 295 |
| 387 | Genetic recombination | 26 | 907 | 372 | 298 |
| 388 | Neurosurgery | 38 | 879 | 239 | 316 |
| 389 | Schizophrenia | 29 | 872 | 335 | 384 |
| 390 | enzymes | 35 | 870 | 332 | 418 |
| 391 | Biomechanics | 11 | 867 | 806 | 377 |
| 392 | Gene expression regulation | 11 | 866 | 538 | 355 |
| 393 | Analytical Biochemistry | 24 | 865 | 501 | 437 |
| 394 | Anthropology | 51 | 864 | 334 | 286 |
| 395 | Asia | 43 | 862 | 493 | 341 |
| 396 | commerce | 56 | 854 | 141 | 391 |
| 397 | Transplantation | 23 | 838 | 487 | 525 |
| 398 | Human Geography | 54 | 836 | 162 | 213 |
| 399 | Bioremediation | 20 | 834 | 96 | 78 |
| 399 | vascular diseases | 15 | 834 | 291 | 262 |
| 401 | Food Microbiology | 5 | 831 | 1155 | 400 |
| 401 | Virulence | 20 | 831 | 441 | 609 |
| 403 | Biogeochemical cycles | 9 | 826 | 275 | 249 |
| 404 | Pharmaceutical Technology | 17 | 823 | 657 | 418 |
| 405 | animals | 56 | 819 | 120 | 153 |
| 406 | Biomass Energy | 38 | 811 | 637 | 1040 |
| 407 | Parasitology | 45 | 808 | 588 | 682 |
| 408 | Job satisfaction | 1 | 807 | 251 | 23 |
| 408 | Work | 3 | 807 | 406 | 32 |
| 408 | job stress | 1 | 807 | 251 | 23 |
| 411 | Middle East | 38 | 803 | 114 | 60 |
| 412 | Probability | 16 | 799 | 204 | 109 |
| 413 | Diet | 17 | 786 | 1074 | 937 |
| 414 | Ore deposits | 24 | 784 | 130 | 118 |
| 415 | Solar System | 42 | 779 | 246 | 361 |
| 416 | Immunopathology | 18 | 775 | 629 | 472 |
| 417 | Cybernetics | 31 | 766 | 294 | 327 |
| 418 | Archaeology | 37 | 761 | 369 | 308 |
| 419 | Crystallization | 32 | 752 | 56 | 48 |
| 420 | Statistical Mechanics | 18 | 746 | 474 | 170 |
| 421 | catalytic activity | 16 | 741 | 223 | 175 |
| 422 | embryonic development | 18 | 739 | 95 | 65 |
| 423 | global environmental change | 27 | 735 | 151 | 285 |
| 424 | soil conservation | 31 | 729 | 73 | 72 |
| 424 | Aerosols | 16 | 729 | 228 | 148 |
| 426 | Synchrotron Radiation | 41 | 725 | 52 | 63 |
| 427 | General Surgery | 66 | 722 | 97 | 136 |
| 428 | Eating Disorders | 15 | 720 | 393 | 249 |
| 428 | Feeding and Eating Disorders | 15 | 720 | 362 | 228 |
| 430 | Infections | 23 | 718 | 367 | 535 |
| 430 | infection | 23 | 718 | 615 | 662 |
| 432 | Pharmacogenetics | 10 | 713 | 626 | 338 |
| 433 | Nutrition physiology | 189 | 700 | 4 | 185 |
| 434 | Proteomics | 20 | 695 | 338 | 388 |
| 435 | Energy Policy | 29 | 692 | 822 | 1206 |
| 436 | Agricultural Chemistry | 26 | 685 | 839 | 852 |
| 437 | gene therapy | 8 | 682 | 828 | 480 |
| 438 | Proteome | 21 | 675 | 406 | 507 |
| 439 | Environmental Chemistry | 23 | 674 | 687 | 989 |
| 440 | Developmental Genetics | 8 | 673 | 399 | 383 |
| 441 | Medical innovations | 8 | 672 | 700 | 679 |
| 442 | income distribution | 13 | 671 | 17 | 37 |
| 443 | Chemical industry | 59 | 668 | 162 | 216 |
| 444 | Steroids | 21 | 665 | 347 | 287 |
| 445 | Physical organic chemistry | 24 | 664 | 421 | 343 |
| 446 | Medical Anthropology | 12 | 662 | 622 | 513 |
| 447 | Water chemistry | 14 | 660 | 41 | 13 |
| 448 | Ophthalmology | 17 | 657 | 929 | 706 |
| 449 | viral genetics | 5 | 653 | 308 | 309 |
| 449 | proteins | 22 | 653 | 881 | 820 |
| 451 | Parasitic Diseases | 27 | 649 | 689 | 819 |
| 452 | Quality of life | 18 | 647 | 513 | 462 |
| 453 | Demography | 14 | 645 | 271 | 179 |
| 454 | land degradation | 25 | 643 | 34 | 38 |
| 454 | degradation | 25 | 643 | 34 | 38 |
| 456 | Dementia | 28 | 641 | 521 | 337 |
| 457 | Algorithms | 21 | 629 | 132 | 90 |
| 458 | aerosol | 14 | 627 | 164 | 92 |
| 459 | Cognitive Science | 33 | 626 | 327 | 557 |
| 460 | Systems Biology | 37 | 623 | 299 | 367 |
| 461 | International Finance | 30 | 621 | 402 | 441 |
| 462 | Food Security | 15 | 620 | 31 | 28 |
| 463 | Sun | 32 | 611 | 138 | 194 |
| 464 | Engineering Geology | 19 | 607 | 579 | 508 |
| 465 | computer networks | 29 | 604 | 702 | 707 |
| 466 | Microbial Genetics | 11 | 602 | 131 | 97 |
| 466 | phytopathogenic bacteria | 11 | 602 | 108 | 95 |
| 468 | Audiology | 16 | 601 | 360 | 237 |
| 469 | Organic Geochemistry | 16 | 600 | 120 | 151 |
| 470 | Fluid Dynamics | 24 | 598 | 383 | 351 |
| 471 | Population | 32 | 590 | 201 | 251 |
| 472 | Hydrogeology | 49 | 589 | 49 | 105 |
| 472 | mammals | 50 | 589 | 105 | 253 |
| 474 | natural disasters | 15 | 587 | 490 | 369 |
| 475 | Chronobiology | 28 | 584 | 40 | 55 |
| 475 | biological clocks | 28 | 584 | 40 | 55 |
| 475 | circadian rhythm | 28 | 584 | 40 | 55 |
| 478 | drug development | 8 | 581 | 720 | 678 |
| 479 | Agricultural Economics | 10 | 579 | 24 | 7 |
| 480 | Sports Medicine | 17 | 572 | 1278 | 860 |
| 480 | Heart Failure | 10 | 572 | 216 | 164 |
| 482 | energy resources | 14 | 571 | 618 | 769 |
| 483 | Oncology | 13 | 569 | 1299 | 1630 |
| 484 | Extracellular matrix | 12 | 568 | 81 | 104 |
| 484 | collagen | 12 | 568 | 91 | 112 |
| 486 | mutagens | 10 | 567 | 474 | 401 |
| 487 | Palliative Care | 9 | 565 | 557 | 172 |
| 488 | Pharmacy | 46 | 559 | 470 | 828 |
| 489 | Tourism | 13 | 558 | 778 | 653 |
| 489 | Research Design | 22 | 558 | 370 | 413 |
| 491 | Cardiovascular diseases | 21 | 553 | 659 | 579 |
| 491 | Japan | 13 | 553 | 1145 | 434 |
| 493 | Signal Transduction | 29 | 549 | 353 | 725 |
| 494 | Particle Physics | 13 | 548 | 390 | 178 |
| 495 | Business | 39 | 545 | 505 | 977 |
| 495 | carcinogens | 11 | 545 | 514 | 434 |
| 497 | Transportation | 13 | 538 | 889 | 611 |
| 498 | Developmental Neurobiology | 17 | 536 | 106 | 80 |
| 499 | Functional Genomics | 1 | 530 | 668 | 91 |
| 500 | Semiconductors | 24 | 526 | 757 | 593 |
| 501 | Pharmacogenomics | 5 | 525 | 198 | 48 |
| 502 | sustainability | 13 | 523 | 273 | 314 |
| 502 | mathematical analysis | 59 | 523 | 619 | 753 |
| 504 | Water quality | 12 | 522 | 35 | 12 |
| 505 | Sites | 14 | 521 | 223 | 226 |
| 506 | Molecular Pharmacology | 13 | 520 | 331 | 347 |
| 507 | Australia | 24 | 516 | 592 | 449 |
| 508 | Carcinogenesis | 10 | 511 | 568 | 467 |
| 508 | Genetic therapy | 7 | 511 | 1009 | 635 |
| 510 | Educational Psychology | 33 | 509 | 396 | 533 |
| 511 | Genetic Toxicology | 13 | 508 | 139 | 172 |
| 511 | RNA | 19 | 508 | 142 | 225 |
| 513 | Volcanoes | 14 | 507 | 103 | 95 |
| 514 | pain management | 16 | 503 | 203 | 150 |
| 514 | medical education | 21 | 503 | 718 | 553 |
| 516 | Speech | 16 | 497 | 348 | 344 |
| 517 | Antarctica | 32 | 496 | 79 | 76 |
| 518 | Neurotoxicology | 3 | 495 | 687 | 153 |
| 518 | Apoptosis | 3 | 495 | 277 | 35 |
| 518 | neurotoxins | 3 | 495 | 277 | 35 |
| 518 | Neurotoxic agents | 3 | 495 | 277 | 35 |
| 518 | Nerve regeneration | 3 | 495 | 277 | 35 |
| 523 | Plant Pathology | 13 | 488 | 42 | 27 |
| 523 | Health Policy | 44 | 488 | 507 | 892 |
| 525 | sexual behavior | 13 | 484 | 251 | 211 |
| 526 | Neuropharmacology | 8 | 482 | 322 | 173 |
| 526 | Latin America | 34 | 482 | 410 | 147 |
| 528 | Neurogenetics | 14 | 481 | 53 | 41 |
| 529 | blood transfusion | 17 | 478 | 302 | 235 |
| 530 | Mites | 23 | 477 | 91 | 61 |
| 531 | risk factors | 13 | 474 | 338 | 257 |
| 532 | Protozoa | 24 | 473 | 67 | 154 |
| 533 | Ticks | 21 | 472 | 55 | 47 |
| 534 | Geriatrics | 19 | 468 | 1446 | 1266 |
| 535 | Social Change | 12 | 467 | 407 | 438 |
| 536 | Acarology | 18 | 466 | 55 | 47 |
| 536 | Acari | 18 | 466 | 55 | 47 |
| 538 | Hippocampus | 9 | 463 | 141 | 158 |
| 539 | forestry | 17 | 462 | 65 | 61 |
| 539 | atmospheric models | 17 | 462 | 315 | 397 |
| 541 | Fluid Mechanics | 15 | 460 | 912 | 664 |
| 542 | Obesity | 11 | 459 | 1311 | 1158 |
| 542 | Aquatic ecology | 13 | 459 | 437 | 288 |
| 544 | Plant genetic engineering | 21 | 458 | 287 | 445 |
| 545 | Ornithology | 20 | 457 | 378 | 292 |
| 546 | Herbal medicine | 9 | 456 | 308 | 192 |
| 546 | Elementary particles | 10 | 456 | 60 | 109 |
| 548 | Ecohydrology | 13 | 455 | 64 | 40 |
| 549 | Quantum Optics | 26 | 454 | 230 | 289 |
| 550 | Nanoparticles | 19 | 448 | 774 | 892 |
| 551 | Environmental Economics | 12 | 447 | 103 | 90 |
| 552 | Econometrics | 43 | 445 | 275 | 537 |
| 553 | Development Economics | 22 | 443 | 50 | 124 |
| 554 | Psychometrics | 9 | 441 | 265 | 193 |
| 555 | Robotics | 19 | 439 | 653 | 616 |
| 556 | Geometry | 46 | 436 | 215 | 221 |
| 556 | Remote Sensing | 32 | 436 | 288 | 298 |
| 558 | Adolescent Medicine | 6 | 435 | 475 | 489 |
| 558 | Enzyme | 7 | 435 | 289 | 185 |
| 558 | Birds | 21 | 435 | 468 | 385 |
| 558 | biological invasions | 13 | 435 | 220 | 205 |
| 562 | Electrophoresis | 17 | 432 | 736 | 709 |
| 563 | Electrophysiology | 21 | 430 | 387 | 348 |
| 564 | finance | 26 | 429 | 810 | 857 |
| 565 | Computer Science | 25 | 428 | 631 | 520 |
| 566 | Neuromuscular diseases | 17 | 424 | 242 | 294 |
| 566 | Hearing | 10 | 424 | 389 | 239 |
| 568 | Functional Analysis | 27 | 422 | 406 | 421 |
| 568 | epilepsy | 7 | 422 | 737 | 363 |
| 570 | Combinatorial chemistry | 14 | 420 | 338 | 435 |
| 571 | Marine Pollution | 4 | 418 | 1244 | 624 |
| 571 | Speech Disorders | 11 | 418 | 565 | 419 |
| 573 | Orthopedic Surgery | 5 | 416 | 790 | 334 |
| 574 | consumers | 4 | 415 | 320 | 100 |
| 574 | fertility | 9 | 415 | 797 | 667 |
| 576 | Biomass | 17 | 413 | 138 | 293 |
| 576 | Forest genetics | 34 | 413 | 16 | 40 |
| 578 | Planetary Science | 31 | 410 | 112 | 175 |
| 579 | Jurisprudence | 135 | 406 | 20 | 279 |
| 580 | hygiene | 6 | 404 | 360 | 115 |
| 581 | Carbon | 13 | 403 | 700 | 880 |
| 582 | Bryology | 21 | 401 | 42 | 40 |
| 582 | biological rhythms | 8 | 401 | 174 | 92 |
| 584 | nuclear magnetic resonance | 15 | 400 | 578 | 503 |
| 585 | cloning | 13 | 399 | 267 | 520 |
| 586 | Ecological Genetics | 15 | 398 | 181 | 111 |
| 586 | Dynamics | 28 | 398 | 512 | 522 |
| 588 | Consumer Protection | 3 | 396 | 192 | 45 |
| 588 | Customer Relations | 3 | 396 | 76 | 5 |
| 590 | Health promotion | 8 | 395 | 1032 | 652 |
| 591 | Developmental Disabilities | 8 | 390 | 675 | 545 |
| 591 | psychiatric disorders | 6 | 390 | 13 | 5 |
| 593 | Medical Ethics | 37 | 388 | 223 | 272 |
| 594 | Structural dynamics | 10 | 386 | 639 | 531 |
| 595 | Philosophy | 46 | 382 | 442 | 331 |
| 595 | Circadian rhythms | 4 | 382 | 249 | 88 |
| 595 | Digestive system diseases | 16 | 382 | 431 | 445 |
| 598 | Rural Development | 18 | 381 | 121 | 147 |
| 599 | Chemical kinetics | 18 | 380 | 201 | 94 |
| 599 | health planning | 9 | 380 | 1444 | 754 |
| 601 | Microbiota | 1 | 379 | 173 | 2 |
| 602 | Dermatology | 15 | 375 | 1020 | 916 |
| 603 | Autoimmunity | 5 | 372 | 704 | 461 |
| 604 | Veterinary Pathology | 69 | 369 | 9 | 54 |
| 604 | Bones | 11 | 369 | 534 | 536 |
| 604 | environmental issues | 17 | 369 | 74 | 115 |
| 607 | Ethics | 21 | 368 | 266 | 210 |
| 607 | Neuroplasticity | 4 | 368 | 323 | 44 |
| 607 | neuronal plasticity | 4 | 368 | 250 | 38 |
| 607 | Telecommunication | 13 | 368 | 1217 | 685 |
| 611 | Human Resources | 9 | 367 | 196 | 184 |
| 611 | Culture techniques | 6 | 367 | 212 | 86 |
| 613 | Human evolution | 11 | 366 | 217 | 241 |
| 614 | protein | 8 | 365 | 926 | 679 |
| 615 | Photochemistry | 21 | 364 | 611 | 857 |
| 615 | children | 13 | 364 | 205 | 236 |
| 617 | language | 9 | 362 | 446 | 330 |
| 618 | Software Engineering | 19 | 360 | 341 | 301 |
| 619 | poverty | 10 | 359 | 126 | 83 |
| 620 | Bacterial infections | 11 | 358 | 390 | 625 |
| 621 | Agricultural Science | 8 | 357 | 121 | 171 |
| 622 | mycoses | 10 | 356 | 436 | 613 |
| 623 | Plant Genetics | 16 | 355 | 261 | 465 |
| 623 | calcification | 11 | 355 | 267 | 287 |
| 625 | Liposomes | 12 | 354 | 204 | 213 |
| 625 | Lipid bilayers | 12 | 354 | 177 | 195 |
| 627 | adolescence | 7 | 353 | 622 | 461 |
| 627 | Climate | 16 | 353 | 157 | 272 |
| 629 | Radiology | 26 | 352 | 545 | 643 |
| 629 | Traditional medicine | 3 | 352 | 333 | 77 |
| 629 | Phytotherapy | 3 | 352 | 1066 | 275 |
| 632 | Bipolar Disorder | 3 | 351 | 427 | 212 |
| 633 | Teaching | 8 | 350 | 1179 | 601 |
| 633 | Germany | 105 | 350 | 28 | 60 |
| 635 | Antigens | 16 | 347 | 392 | 465 |
| 635 | herbicides | 15 | 347 | 87 | 80 |
| 637 | Energy Conversion | 6 | 346 | 1049 | 983 |
| 638 | Urology | 11 | 345 | 1266 | 1164 |
| 638 | Hydraulic Engineering | 7 | 345 | 874 | 503 |
| 638 | Educational Technology | 12 | 345 | 730 | 525 |
| 638 | Hydrodynamics | 7 | 345 | 422 | 295 |
| 638 | Biological Systems | 11 | 345 | 247 | 195 |
| 643 | weather | 13 | 343 | 173 | 187 |
| 644 | Distance Education | 6 | 342 | 287 | 98 |
| 645 | Neurolinguistics | 7 | 341 | 280 | 237 |
| 646 | alcoholism | 10 | 340 | 901 | 807 |
| 647 | Ethnobotany | 2 | 339 | 331 | 71 |
| 647 | ethnobiology | 2 | 339 | 365 | 77 |
| 647 | Ethnomedicine | 2 | 339 | 260 | 71 |
| 650 | Kinetics | 14 | 338 | 144 | 117 |
| 651 | mosses | 17 | 337 | 29 | 25 |
| 651 | liverworts | 17 | 337 | 29 | 25 |
| 653 | behavior therapy | 9 | 334 | 520 | 430 |
| 654 | cell interaction | 13 | 332 | 549 | 658 |
| 655 | Petroleum Geology | 16 | 331 | 189 | 249 |
| 656 | ethanol | 8 | 328 | 268 | 167 |
| 657 | Parasites | 17 | 327 | 677 | 726 |
| 658 | Neuroimmunology | 8 | 325 | 456 | 460 |
| 659 | Animal health | 15 | 322 | 159 | 75 |
| 660 | Multivariate Analysis | 16 | 318 | 135 | 179 |
| 661 | Neural circuitry | 15 | 317 | 904 | 1088 |
| 661 | Infertility | 6 | 317 | 948 | 744 |
| 663 | Radiography | 9 | 315 | 409 | 359 |
| 663 | Magnetic Resonance Spectroscopy | 19 | 315 | 539 | 591 |
| 665 | Chemical Ecology | 13 | 312 | 211 | 306 |
| 665 | Oxidation-reduction | 11 | 312 | 395 | 687 |
| 667 | Plasma chemistry | 5 | 305 | 336 | 137 |
| 667 | Plasma polymerization | 5 | 305 | 210 | 87 |
| 669 | Marine Geology | 14 | 304 | 223 | 262 |
| 669 | Economic Thought | 9 | 304 | 138 | 224 |
| 669 | economic conditions | 9 | 304 | 366 | 259 |
| 672 | Sports | 20 | 301 | 884 | 935 |
| 672 | econometric models | 10 | 301 | 218 | 187 |
| 674 | Biodegradation | 7 | 300 | 447 | 331 |
| 674 | Electroconvulsive therapy | 1 | 300 | 244 | 12 |
| 676 | Artificial Organs | 30 | 298 | 136 | 229 |
| 677 | Criminology | 37 | 296 | 211 | 378 |
| 678 | Microbial Biotechnology | 9 | 294 | 478 | 406 |
| 678 | international trade | 13 | 294 | 230 | 259 |
| 680 | Genetic variation | 14 | 293 | 15 | 21 |
| 680 | Input-output analysis | 14 | 293 | 50 | 98 |
| 680 | Adolescent | 10 | 293 | 1405 | 1083 |
| 680 | Antibodies | 14 | 293 | 281 | 387 |
| 684 | clay | 5 | 291 | 677 | 466 |
| 685 | Anxiety Disorders | 9 | 288 | 287 | 436 |
| 685 | Anxiety | 9 | 288 | 287 | 436 |
| 687 | Business Ethics | 4 | 287 | 871 | 736 |
| 688 | Stochastic Processes | 19 | 286 | 267 | 285 |
| 689 | income | 13 | 284 | 31 | 58 |
| 689 | Wealth | 13 | 284 | 31 | 58 |
| 691 | Health Education | 8 | 283 | 1367 | 904 |
| 691 | emergency management | 9 | 283 | 436 | 309 |
| 693 | cosmetics | 6 | 282 | 103 | 52 |
| 694 | Traffic Engineering | 4 | 281 | 378 | 215 |
| 694 | Serology | 10 | 281 | 201 | 175 |
| 694 | Quantum Chemistry | 15 | 281 | 367 | 314 |
| 694 | Bifurcation Theory | 16 | 281 | 186 | 194 |
| 698 | Hemostasis | 9 | 280 | 504 | 386 |
| 699 | Heterocyclic chemistry | 9 | 278 | 238 | 60 |
| 699 | Personality Assessment | 6 | 278 | 403 | 360 |
| 701 | bioclimatology | 15 | 277 | 294 | 375 |
| 702 | Labor Economics | 9 | 276 | 240 | 226 |
| 703 | Substance Abuse | 6 | 274 | 1203 | 774 |
| 703 | actuators | 4 | 274 | 2323 | 1549 |
| 703 | transducers | 4 | 274 | 2323 | 1549 |
| 706 | Community Psychiatry | 3 | 272 | 1255 | 589 |
| 706 | Computational Fluid Dynamics | 6 | 272 | 507 | 265 |
| 706 | Antioxidants | 10 | 272 | 394 | 678 |
| 709 | peace | 6 | 271 | 346 | 243 |
| 710 | clay minerals | 3 | 270 | 333 | 163 |
| 711 | Otolaryngology | 5 | 266 | 534 | 298 |
| 711 | Plant Taxonomy | 26 | 266 | 96 | 188 |
| 713 | Cellulose | 5 | 264 | 483 | 295 |
| 714 | Transportation Engineering | 7 | 262 | 311 | 185 |
| 714 | Topology | 17 | 262 | 100 | 78 |
| 714 | Spine | 4 | 262 | 760 | 542 |
| 714 | extraterrestrial environment | 4 | 262 | 630 | 216 |
| 714 | astronomical phenomena | 4 | 262 | 570 | 193 |
| 719 | Semantics | 11 | 260 | 66 | 60 |
| 719 | international cooperation | 6 | 260 | 409 | 291 |
| 721 | Medical Imaging | 10 | 259 | 182 | 182 |
| 721 | Magnetic Resonance Imaging | 10 | 259 | 274 | 256 |
| 721 | Performance | 2 | 259 | 392 | 165 |
| 724 | Wildlife management | 22 | 257 | 175 | 239 |
| 724 | Social policy | 14 | 257 | 434 | 364 |
| 724 | Vision | 8 | 257 | 456 | 463 |
| 727 | Information Theory | 14 | 256 | 569 | 589 |
| 727 | chromatin | 1 | 256 | 378 | 73 |
| 729 | Rock deformation | 7 | 255 | 110 | 89 |
| 729 | Organic farming | 12 | 255 | 9 | 8 |
| 731 | Building Materials | 10 | 254 | 1122 | 1313 |
| 731 | War and Society | 4 | 254 | 191 | 154 |
| 731 | warfare | 4 | 254 | 265 | 183 |
| 734 | Telecommunication Systems | 12 | 253 | 841 | 701 |
| 734 | Bioethics | 17 | 253 | 351 | 312 |
| 736 | Cognitive Psychology | 4 | 250 | 387 | 117 |
| 736 | coal | 6 | 250 | 1353 | 1217 |
| 738 | immigration | 6 | 249 | 112 | 100 |
| 738 | migration policy | 6 | 249 | 124 | 105 |
| 738 | Asylum seeker | 6 | 249 | 93 | 100 |
| 741 | Image Processing | 15 | 248 | 998 | 1260 |
| 741 | Electron Microscopy | 10 | 248 | 184 | 146 |
| 743 | Kidney diseases | 3 | 246 | 1290 | 634 |
| 744 | cardiac catheterization | 18 | 245 | 333 | 416 |
| 745 | Psychoanalysis | 7 | 244 | 243 | 86 |
| 745 | taxation | 2 | 244 | 367 | 66 |
| 747 | Political Psychology | 2 | 243 | 459 | 198 |
| 747 | Plant Biotechnology | 8 | 243 | 493 | 454 |
| 747 | pheromones | 10 | 243 | 236 | 336 |
| 750 | Photobiology | 15 | 242 | 544 | 803 |
| 751 | Experimental Psychology | 8 | 241 | 361 | 339 |
| 751 | food contamination | 4 | 241 | 1121 | 398 |
| 751 | Communication | 13 | 241 | 1053 | 957 |
| 754 | DNA | 15 | 240 | 139 | 216 |
| 755 | Lung Transplantation | 14 | 239 | 334 | 358 |
| 755 | Heart transplantation | 14 | 239 | 334 | 358 |
| 757 | Food preferences | 13 | 235 | 115 | 222 |
| 758 | Marine Biotechnology | 4 | 231 | 201 | 112 |
| 759 | Archaea | 8 | 229 | 4 | 15 |
| 760 | Oceanography | 14 | 228 | 1093 | 1286 |
| 761 | Chemical structure | 13 | 227 | 132 | 101 |
| 762 | Nephrology | 2 | 226 | 880 | 498 |
| 763 | Sedimentology | 13 | 225 | 218 | 399 |
| 763 | Endocrine glands | 2 | 225 | 424 | 318 |
| 765 | Signal Processing | 8 | 224 | 1445 | 1024 |
| 766 | Forensic Psychology | 21 | 223 | 72 | 152 |
| 766 | Forensic Psychiatry | 21 | 223 | 142 | 250 |
| 766 | Adhesion | 10 | 223 | 251 | 227 |
| 766 | adhesives | 10 | 223 | 277 | 231 |
| 770 | Primary health care | 17 | 222 | 740 | 949 |
| 771 | Lipid metabolism | 4 | 220 | 379 | 313 |
| 771 | Lipid | 4 | 220 | 379 | 313 |
| 771 | free radicals | 7 | 220 | 1165 | 1289 |
| 774 | Pesticides | 7 | 218 | 423 | 260 |
| 775 | Quality Control | 3 | 216 | 2294 | 1101 |
| 775 | livestock | 26 | 216 | 129 | 181 |
| 775 | Longevity | 1 | 216 | 447 | 67 |
| 775 | rejuvenation | 1 | 216 | 336 | 54 |
| 779 | Food Preservation | 1 | 215 | 1608 | 231 |
| 780 | Immunopharmacology | 5 | 212 | 937 | 609 |
| 781 | Intelligence | 9 | 210 | 111 | 188 |
| 781 | freshwater biology | 10 | 210 | 528 | 565 |
| 783 | Learning disabilities | 4 | 208 | 771 | 435 |
| 784 | DNS | 11 | 207 | 181 | 270 |
| 785 | atmosphere | 3 | 206 | 991 | 529 |
| 786 | Atmospheric Science | 2 | 205 | 312 | 105 |
| 786 | Algebra | 25 | 205 | 596 | 563 |
| 788 | Health Services Research | 10 | 204 | 1099 | 1034 |
| 788 | consumer behavior | 3 | 204 | 605 | 354 |
| 788 | rare diseases | 4 | 204 | 699 | 472 |
| 791 | cycles | 24 | 202 | 16 | 15 |
| 792 | Transgenic plants | 9 | 201 | 219 | 334 |
| 792 | Mental Health Counseling | 26 | 201 | 13 | 22 |
| 794 | planning | 7 | 200 | 434 | 265 |
| 795 | Psychoneuroimmunology | 7 | 198 | 441 | 604 |
| 795 | Cognitive Therapy | 5 | 198 | 535 | 370 |
| 795 | synthesis | 6 | 198 | 900 | 362 |
| 795 | Heat | 2 | 198 | 111 | 9 |
| 799 | counseling | 5 | 197 | 1191 | 769 |
| 800 | International Relations | 22 | 196 | 401 | 450 |
| 800 | Computational Complexity | 7 | 196 | 765 | 344 |
| 802 | Evolutionary Psychology | 17 | 195 | 12 | 48 |
| 803 | arthritis | 14 | 194 | 735 | 1305 |
| 804 | Animal husbandry | 22 | 193 | 78 | 124 |
| 805 | Immunochemistry | 10 | 192 | 589 | 647 |
| 806 | Strategic planning | 8 | 191 | 419 | 453 |
| 806 | European integration | 9 | 191 | 108 | 134 |
| 806 | Invertebrates | 14 | 191 | 214 | 353 |
| 806 | European Economic Community | 9 | 191 | 107 | 134 |
| 810 | Emergency Medicine | 10 | 189 | 1051 | 919 |
| 811 | Patient education | 4 | 187 | 609 | 489 |
| 812 | energy conservation | 5 | 185 | 1866 | 1784 |
| 813 | Cell communication | 5 | 184 | 685 | 620 |
| 814 | Public Policy | 14 | 183 | 816 | 1226 |
| 814 | Extreme Value Theory | 8 | 183 | 26 | 17 |
| 814 | System analysis | 22 | 183 | 966 | 1626 |
| 814 | periodicity | 20 | 183 | 1 | 2 |
| 818 | telemarketing | 9 | 182 | 20 | 60 |
| 818 | data protection | 7 | 182 | 289 | 189 |
| 820 | Differential Equations | 9 | 181 | 639 | 517 |
| 820 | Psychiatric Epidemiology | 1 | 181 | 1097 | 447 |
| 822 | prostaglandins | 9 | 180 | 273 | 323 |
| 822 | Menopause | 4 | 180 | 275 | 155 |
| 824 | industrial relations | 9 | 177 | 492 | 415 |
| 825 | Radiochemistry | 9 | 176 | 687 | 499 |
| 825 | Wireless Communication Systems | 17 | 176 | 945 | 1131 |
| 827 | Synthetic biology | 5 | 175 | 269 | 185 |
| 828 | Palynology | 11 | 174 | 66 | 76 |
| 828 | vibration | 2 | 174 | 1804 | 812 |
| 830 | Energy Storage | 5 | 173 | 1198 | 926 |
| 830 | heredity | 14 | 173 | 243 | 414 |
| 832 | Regional Planning | 28 | 172 | 477 | 997 |
| 832 | Restoration Ecology | 11 | 172 | 170 | 288 |
| 832 | Enteral nutrition | 5 | 172 | 824 | 795 |
| 832 | Parenteral nutrition | 7 | 172 | 837 | 986 |
| 832 | Spain | 6 | 172 | 646 | 111 |
| 832 | race relations | 6 | 172 | 413 | 276 |
| 838 | Fracture mechanics | 2 | 171 | 1981 | 987 |
| 838 | exobiology | 10 | 171 | 143 | 310 |
| 838 | cytokines | 4 | 171 | 1409 | 1163 |
| 841 | agricultural productivity | 13 | 170 | 16 | 33 |
| 842 | Heterocyclic compounds | 9 | 169 | 646 | 427 |
| 843 | Sexual health | 4 | 168 | 780 | 464 |
| 843 | Ethnology | 43 | 168 | 249 | 721 |
| 845 | ethnicity | 9 | 167 | 366 | 270 |
| 845 | food handling | 1 | 167 | 1825 | 753 |
| 845 | rehabilitation | 9 | 167 | 1531 | 1731 |
| 848 | Chemotherapy | 9 | 166 | 1016 | 1257 |
| 849 | organization | 5 | 165 | 641 | 683 |
| 850 | Political Geography | 4 | 162 | 268 | 167 |
| 850 | peptides | 14 | 162 | 318 | 465 |
| 852 | Engineering Mathematics | 12 | 161 | 1565 | 1376 |
| 852 | Body Image | 1 | 161 | 419 | 182 |
| 854 | Historical Sociology | 1 | 160 | 191 | 6 |
| 854 | Geodesy | 6 | 160 | 572 | 457 |
| 854 | Futures | 6 | 160 | 213 | 169 |
| 857 | Geothermal Energy | 14 | 159 | 56 | 141 |
| 857 | Metallic Glasses | 9 | 159 | 229 | 340 |
| 857 | Immunogenetics | 5 | 159 | 692 | 604 |
| 860 | disease vectors | 8 | 157 | 632 | 751 |
| 860 | Sociobiology | 4 | 157 | 243 | 141 |
| 862 | Oxidative stress | 5 | 156 | 1026 | 1203 |
| 862 | reforestation | 10 | 156 | 51 | 71 |
| 862 | Drug delivery systems | 3 | 156 | 1904 | 1468 |
| 862 | space environment | 5 | 156 | 217 | 168 |
| 862 | afforestation | 10 | 156 | 51 | 71 |
| 867 | Crystal growth | 12 | 154 | 526 | 809 |
| 868 | History of Medicine | 17 | 153 | 172 | 95 |
| 868 | Heat Exchangers | 3 | 153 | 1397 | 1084 |
| 868 | Gastrointestinal diseases | 4 | 153 | 754 | 402 |
| 871 | Laser therapy | 4 | 152 | 414 | 147 |
| 871 | violence | 6 | 152 | 706 | 694 |
| 871 | economic development projects | 10 | 152 | 50 | 88 |
| 874 | crime | 16 | 151 | 269 | 388 |
| 875 | Environmental Education | 2 | 150 | 540 | 200 |
| 875 | biofuels | 5 | 150 | 216 | 386 |
| 875 | Water quality management | 8 | 150 | 1292 | 1292 |
| 875 | Respiratory system | 6 | 150 | 482 | 517 |
| 875 | DNA methylation | 1 | 150 | 694 | 267 |
| 880 | Ecophysiology | 6 | 149 | 108 | 98 |
| 880 | Renewable Energy Sources | 7 | 149 | 2151 | 3077 |
| 882 | Geomagnetism | 14 | 148 | 354 | 509 |
| 882 | Geopolitics | 3 | 148 | 302 | 90 |
| 882 | environmental exposure | 7 | 148 | 1492 | 1743 |
| 882 | Synapses | 2 | 148 | 425 | 273 |
| 886 | civilization | 28 | 147 | 360 | 154 |
| 887 | visualization | 30 | 145 | 396 | 539 |
| 888 | Health Services Administration | 4 | 144 | 1131 | 826 |
| 889 | Rheumatology | 8 | 143 | 960 | 1266 |
| 889 | Optical Imaging | 3 | 143 | 1 | 2 |
| 889 | Knowledge | 4 | 143 | 450 | 212 |
| 892 | greenhouse effect | 4 | 142 | 39 | 39 |
| 892 | Carbon dioxide | 4 | 142 | 39 | 39 |
| 894 | lasers | 7 | 141 | 1588 | 1142 |
| 894 | bees | 3 | 141 | 460 | 271 |
| 896 | Computational Mathematics | 5 | 140 | 72 | 79 |
| 896 | Consciousness | 13 | 140 | 146 | 365 |
| 898 | amino acids | 8 | 138 | 277 | 515 |
| 899 | Photography | 29 | 137 | 1134 | 814 |
| 899 | Energy Harvesting | 3 | 137 | 554 | 614 |
| 899 | psychopathology | 2 | 137 | 464 | 332 |
| 902 | Number Theory | 26 | 136 | 214 | 273 |
| 902 | Mechanics | 6 | 136 | 1144 | 806 |
| 904 | Animal Physiology | 14 | 135 | 52 | 133 |
| 904 | Natural selection | 14 | 135 | 52 | 133 |
| 904 | nuclear magnetic resonance spectroscopy | 8 | 135 | 546 | 534 |
| 904 | plant viruses | 11 | 135 | 67 | 128 |
| 904 | Yeast | 7 | 135 | 273 | 413 |
| 904 | genetic selection | 14 | 135 | 52 | 133 |
| 910 | Environmental Law | 15 | 134 | 434 | 1463 |
| 910 | Quantum theory | 13 | 134 | 532 | 748 |
| 912 | occupational diseases | 4 | 133 | 950 | 865 |
| 913 | Ethnic relations | 5 | 132 | 470 | 233 |
| 913 | Banking | 1 | 132 | 41 | 7 |
| 913 | Development Assistance | 1 | 132 | 21 | 7 |
| 913 | accidents | 15 | 132 | 44 | 48 |
| 917 | Biofeedback | 3 | 130 | 93 | 77 |
| 917 | Ethnic Conflict | 4 | 130 | 231 | 154 |
| 917 | Developmental Immunology | 6 | 130 | 604 | 709 |
| 917 | forced migration | 4 | 130 | 231 | 154 |
| 921 | preventive medicine | 26 | 129 | 402 | 1389 |
| 921 | foreign exchange | 5 | 129 | 280 | 350 |
| 921 | Reading | 9 | 129 | 314 | 414 |
| 924 | Neonatology | 4 | 128 | 656 | 504 |
| 925 | Luminescence | 7 | 125 | 1022 | 964 |
| 925 | Information Science | 13 | 125 | 1339 | 2257 |
| 927 | Geobiology | 9 | 124 | 251 | 411 |
| 928 | Telecommunications | 4 | 123 | 790 | 413 |
| 929 | Environmental Toxicology | 6 | 122 | 2170 | 2791 |
| 929 | Production Management | 6 | 122 | 868 | 1287 |
| 929 | Paleopathology | 10 | 122 | 128 | 159 |
| 932 | Radioisotopes | 12 | 121 | 651 | 826 |
| 933 | Occupational Health | 5 | 120 | 1070 | 814 |
| 933 | diffusion | 22 | 120 | 47 | 39 |
| 933 | Risk | 3 | 120 | 667 | 551 |
| 936 | Library Science | 14 | 119 | 515 | 423 |
| 937 | Computational Chemistry | 6 | 117 | 547 | 699 |
| 937 | Cosmology | 11 | 117 | 921 | 971 |
| 937 | Computer Vision | 5 | 117 | 1051 | 1254 |
| 937 | sedimentary basins | 7 | 117 | 114 | 204 |
| 937 | Nationalism | 7 | 117 | 191 | 128 |
| 937 | Ultrasonic Imaging | 4 | 117 | 512 | 445 |
| 937 | Alloys | 10 | 117 | 101 | 100 |
| 937 | Atomic spectroscopy | 11 | 117 | 687 | 1000 |
| 945 | Horticulture | 11 | 116 | 397 | 507 |
| 945 | Calculus of Variations | 8 | 116 | 333 | 301 |
| 945 | Ultrasound | 3 | 116 | 681 | 514 |
| 948 | Medical Technology | 11 | 115 | 962 | 1733 |
| 948 | Cardiac electrophysiology | 3 | 115 | 271 | 285 |
| 948 | Socioeconomic Factors | 9 | 115 | 384 | 634 |
| 948 | arrhythmia | 3 | 115 | 271 | 285 |
| 948 | Isotopes | 10 | 115 | 21 | 44 |
| 953 | anesthesia | 10 | 114 | 266 | 227 |
| 954 | History | 61 | 113 | 200 | 257 |
| 954 | Language Disorders | 9 | 113 | 515 | 663 |
| 956 | Humanities | 13 | 111 | 884 | 731 |
| 956 | Cellular senescence | 3 | 111 | 892 | 923 |
| 958 | Greenhouse gases | 5 | 110 | 273 | 401 |
| 958 | Protein folding | 4 | 110 | 74 | 83 |
| 958 | solar cells | 4 | 110 | 942 | 1148 |
| 961 | toxicity testing | 7 | 109 | 442 | 713 |
| 961 | Detectors | 1 | 109 | 2081 | 389 |
| 963 | Criminal psychology | 17 | 107 | 283 | 645 |
| 964 | DNA polymerases | 4 | 106 | 441 | 925 |
| 965 | Cost of illness | 8 | 105 | 8 | 20 |
| 965 | Metastasis | 1 | 105 | 476 | 392 |
| 965 | Superconductors | 9 | 105 | 454 | 521 |
| 965 | Superconductivity | 9 | 105 | 305 | 394 |
| 969 | Macroeconomics | 9 | 104 | 162 | 281 |
| 969 | particles | 2 | 104 | 1546 | 870 |
| 969 | Granular materials | 2 | 104 | 929 | 537 |
| 972 | insurance | 4 | 103 | 361 | 279 |
| 973 | Social History | 13 | 102 | 211 | 222 |
| 973 | Solar Energy | 3 | 102 | 2075 | 2005 |
| 973 | Hemodynamics | 2 | 102 | 917 | 900 |
| 973 | solar power | 3 | 102 | 1010 | 1096 |
| 973 | Vaccines | 8 | 102 | 1419 | 2058 |
| 978 | Forensic Genetics | 3 | 101 | 269 | 247 |
| 978 | economic forecasting | 6 | 101 | 201 | 349 |
| 978 | Plastics | 6 | 101 | 1495 | 1498 |
| 978 | Post-traumatic stress disorder | 5 | 101 | 624 | 801 |
| 982 | Computer-Aided Design | 2 | 100 | 1873 | 1102 |
| 982 | cell adhesion molecules | 2 | 100 | 800 | 622 |
| 984 | Electrical Engineering | 51 | 99 | 958 | 2241 |
| 984 | International Law | 11 | 99 | 158 | 78 |
| 984 | Mountains | 12 | 99 | 107 | 185 |
| 984 | Fisheries | 4 | 99 | 1803 | 1620 |
| 988 | Inorganic Chemistry | 4 | 98 | 59 | 87 |
| 988 | Neuroanatomy | 17 | 98 | 18 | 226 |
| 988 | Gerontology | 8 | 98 | 1424 | 1623 |
| 988 | Animal welfare | 4 | 98 | 283 | 299 |
| 992 | Freezing | 9 | 97 | 200 | 240 |
| 992 | tomography | 6 | 97 | 273 | 311 |
| 994 | Youth | 2 | 96 | 922 | 706 |
| 995 | mutation | 5 | 95 | 565 | 868 |
| 995 | biomimicry | 1 | 95 | 343 | 162 |
| 995 | Extreme environments | 3 | 95 | 258 | 296 |
| 998 | Ichthyology | 3 | 94 | 594 | 285 |
| 998 | biocatalysis | 4 | 94 | 163 | 452 |
| 998 | Homogeneous catalysis | 4 | 94 | 163 | 452 |