| 1 | Biology | 329 | 58.8K | 691 | 390 |
| 2 | Human genetics | 116 | 56.9K | 232 | 92 |
| 3 | Science | 464 | 56.8K | 588 | 403 |
| 4 | Physics | 237 | 50.6K | 1,141 | 496 |
| 5 | Medicine | 659 | 39.4K | 462 | 377 |
| 6 | Natural history | 43 | 38.4K | 713 | 294 |
| 7 | Molecular Biology | 410 | 24.8K | 579 | 480 |
| 8 | Chemistry | 455 | 24.7K | 824 | 683 |
| 9 | Biochemistry | 458 | 16.6K | 750 | 726 |
| 10 | Neurology | 231 | 16.4K | 551 | 436 |
| 11 | Research | 450 | 14.8K | 500 | 507 |
| 12 | Pollution | 247 | 14.7K | 375 | 357 |
| 13 | Ecology | 311 | 14.0K | 457 | 531 |
| 14 | Geophysics | 239 | 14.0K | 327 | 249 |
| 15 | Psychiatry | 203 | 11.4K | 340 | 297 |
| 16 | Atmospheric Physics | 217 | 11.3K | 88 | 88 |
| 17 | Environment | 190 | 11.1K | 420 | 508 |
| 18 | Diabetes | 129 | 10.9K | 169 | 124 |
| 19 | Diabetes mellitus | 127 | 10.9K | 148 | 115 |
| 20 | Atmospheric Chemistry | 200 | 10.8K | 47 | 69 |
| 21 | Nutrition | 256 | 10.8K | 215 | 231 |
| 22 | Alzheimer's disease | 236 | 10.3K | 59 | 42 |
| 23 | Pharmacology | 294 | 10.3K | 423 | 403 |
| 24 | Genetics | 109 | 10.1K | 445 | 337 |
| 25 | Environmental Health | 249 | 9.9K | 310 | 395 |
| 26 | Dementia | 209 | 9.1K | 61 | 42 |
| 27 | Mental Disorders | 164 | 8.9K | 204 | 219 |
| 28 | Medical genetics | 96 | 8.3K | 362 | 279 |
| 29 | Pharmaceutical Chemistry | 222 | 8.2K | 232 | 237 |
| 30 | Public Health | 247 | 7.9K | 371 | 404 |
| 31 | Aging | 147 | 7.7K | 219 | 155 |
| 32 | environmental pollution | 141 | 7.7K | 414 | 334 |
| 33 | Cell Biology | 85 | 7.5K | 642 | 553 |
| 34 | Biophysics | 196 | 7.3K | 665 | 604 |
| 35 | Cytology | 111 | 7.0K | 605 | 576 |
| 36 | Diet | 133 | 6.6K | 135 | 174 |
| 37 | Neurons | 3 | 6.3K | 524 | 137 |
| 38 | Chemical Engineering | 60 | 6.3K | 1,154 | 593 |
| 39 | Metabolic diseases | 89 | 6.1K | 294 | 275 |
| 40 | Epidemiology | 248 | 6.0K | 193 | 285 |
| 41 | Geriatrics | 147 | 6.0K | 253 | 197 |
| 42 | Biochemical Engineering | 49 | 5.9K | 745 | 450 |
| 43 | Biodiversity conservation | 73 | 5.7K | 184 | 238 |
| 44 | Environmental monitoring | 80 | 5.3K | 490 | 340 |
| 45 | Botany | 83 | 5.3K | 738 | 552 |
| 46 | Environmental Engineering | 105 | 5.2K | 375 | 387 |
| 47 | Neurophysiology | 80 | 5.0K | 510 | 418 |
| 48 | Metabolism | 120 | 5.0K | 308 | 388 |
| 49 | Endocrinology | 117 | 4.9K | 369 | 420 |
| 49 | Microbiology | 98 | 4.9K | 1,057 | 965 |
| 51 | Pharmacy | 145 | 4.8K | 126 | 99 |
| 52 | Tourism | 69 | 4.8K | 152 | 110 |
| 53 | Optics | 254 | 4.5K | 356 | 412 |
| 54 | Mental illness | 59 | 4.4K | 295 | 231 |
| 55 | Neurobiology | 46 | 4.4K | 358 | 243 |
| 56 | drugs | 146 | 4.4K | 83 | 99 |
| 57 | Climate change | 52 | 4.2K | 120 | 255 |
| 58 | Water pollution | 21 | 4.2K | 1,005 | 317 |
| 59 | free radicals | 36 | 4.2K | 232 | 119 |
| 60 | Water | 27 | 4.2K | 747 | 367 |
| 60 | Eutrophication | 51 | 4.2K | 116 | 260 |
| 62 | environmental protection | 100 | 4.0K | 295 | 323 |
| 63 | Toxicology | 139 | 4.0K | 494 | 596 |
| 64 | Immunology | 58 | 4.0K | 646 | 531 |
| 65 | Environmental Policy | 103 | 3.9K | 266 | 413 |
| 66 | Forest Management | 128 | 3.8K | 44 | 62 |
| 67 | Food | 62 | 3.8K | 484 | 304 |
| 68 | Forest Ecology | 122 | 3.7K | 41 | 67 |
| 69 | Biodiversity | 69 | 3.7K | 247 | 240 |
| 70 | Biomedical Engineering | 154 | 3.6K | 500 | 664 |
| 71 | Cancer | 84 | 3.5K | 491 | 544 |
| 72 | Oxidation-reduction | 26 | 3.4K | 138 | 69 |
| 73 | Biotechnology | 80 | 3.4K | 1,045 | 1,073 |
| 74 | Europe | 241 | 3.3K | 133 | 257 |
| 75 | Cell metabolism | 18 | 3.3K | 150 | 132 |
| 76 | Oxidative stress | 26 | 3.2K | 98 | 35 |
| 77 | Nursing | 128 | 3.2K | 84 | 74 |
| 78 | Homeostasis | 15 | 3.2K | 121 | 132 |
| 79 | Nanotechnology | 91 | 3.2K | 934 | 1,035 |
| 80 | Education | 98 | 3.1K | 496 | 378 |
| 81 | Signal Transduction | 20 | 3.0K | 460 | 175 |
| 82 | Educational Technology | 73 | 2.9K | 75 | 59 |
| 83 | Cardiovascular diseases | 87 | 2.9K | 157 | 147 |
| 84 | Surface Chemistry | 37 | 2.8K | 1,238 | 700 |
| 85 | Developmental Biology | 25 | 2.7K | 579 | 391 |
| 85 | Cardiovascular system | 30 | 2.7K | 405 | 384 |
| 87 | Planets | 24 | 2.7K | 545 | 319 |
| 88 | Biomass Energy | 63 | 2.7K | 316 | 400 |
| 89 | software | 6 | 2.6K | 689 | 25 |
| 90 | Cytogenetics | 38 | 2.6K | 253 | 244 |
| 91 | Biocompatible Materials | 65 | 2.5K | 806 | 923 |
| 92 | Colloids | 37 | 2.5K | 1,181 | 809 |
| 93 | Clinical Chemistry | 83 | 2.5K | 363 | 436 |
| 94 | Virology | 26 | 2.4K | 854 | 727 |
| 95 | Mathematics | 143 | 2.4K | 1,072 | 856 |
| 96 | Biogeochemistry | 60 | 2.4K | 137 | 219 |
| 97 | Sports Medicine | 90 | 2.4K | 313 | 363 |
| 98 | Bioorganic chemistry | 56 | 2.3K | 521 | 440 |
| 99 | Neurochemistry | 57 | 2.3K | 485 | 451 |
| 100 | sanitation | 48 | 2.3K | 288 | 417 |
| 101 | biological evolution | 26 | 2.3K | 621 | 492 |
| 102 | Sleep Disorders | 86 | 2.3K | 130 | 182 |
| 102 | Sleep | 86 | 2.3K | 131 | 186 |
| 104 | Primary health care | 116 | 2.3K | 104 | 154 |
| 105 | cell interaction | 11 | 2.2K | 464 | 50 |
| 106 | soil microbiology | 50 | 2.2K | 225 | 314 |
| 107 | Bioengineering | 47 | 2.2K | 982 | 982 |
| 108 | Information Technology | 52 | 2.1K | 274 | 291 |
| 109 | Behavior | 51 | 2.1K | 659 | 708 |
| 110 | United States | 110 | 2.1K | 646 | 801 |
| 111 | Renewable Energy Sources | 32 | 2.1K | 655 | 700 |
| 112 | nucleic acids | 37 | 2.1K | 424 | 465 |
| 113 | Immunity | 15 | 2.1K | 684 | 525 |
| 114 | food technology | 45 | 2.1K | 505 | 388 |
| 115 | Organic Chemistry | 37 | 2.1K | 981 | 599 |
| 116 | Materials | 60 | 2.1K | 1,572 | 1,459 |
| 117 | Pharmaceutical Technology | 79 | 2.0K | 82 | 151 |
| 118 | management | 78 | 2.0K | 526 | 804 |
| 119 | forestry | 88 | 2.0K | 9 | 11 |
| 120 | Biopharmaceutics | 39 | 2.0K | 122 | 91 |
| 120 | Educational Psychology | 81 | 2.0K | 160 | 243 |
| 122 | Teaching | 43 | 2.0K | 296 | 188 |
| 123 | Pediatrics | 42 | 2.0K | 483 | 438 |
| 124 | Obesity | 49 | 2.0K | 353 | 372 |
| 125 | Food Microbiology | 33 | 2.0K | 212 | 179 |
| 126 | Pharmacokinetics | 78 | 2.0K | 17 | 51 |
| 127 | forest policy | 76 | 1.9K | 17 | 14 |
| 128 | Environmental Management | 46 | 1.9K | 557 | 634 |
| 129 | Information Science | 35 | 1.9K | 550 | 383 |
| 130 | Environmental Law | 72 | 1.9K | 62 | 233 |
| 131 | drug therapy | 80 | 1.9K | 302 | 370 |
| 132 | Molecular Pharmacology | 46 | 1.8K | 81 | 109 |
| 133 | Plant Ecology | 55 | 1.8K | 282 | 396 |
| 134 | risk factors | 47 | 1.8K | 59 | 65 |
| 135 | Pathology | 56 | 1.8K | 404 | 447 |
| 136 | Biomechanics | 61 | 1.8K | 160 | 220 |
| 137 | Catalysis | 62 | 1.8K | 945 | 1,117 |
| 138 | Therapeutics | 69 | 1.7K | 217 | 327 |
| 139 | Schizophrenia | 45 | 1.7K | 168 | 198 |
| 140 | Physiology | 84 | 1.7K | 693 | 956 |
| 141 | Soil biology | 30 | 1.6K | 223 | 236 |
| 142 | Inflammation | 20 | 1.6K | 281 | 162 |
| 143 | Computational Biology | 35 | 1.6K | 566 | 519 |
| 144 | Hormones | 40 | 1.6K | 232 | 234 |
| 145 | Sports | 68 | 1.6K | 337 | 384 |
| 146 | Gerontology | 54 | 1.6K | 315 | 265 |
| 147 | Business | 49 | 1.5K | 391 | 618 |
| 148 | human behavior | 31 | 1.5K | 644 | 704 |
| 149 | Scandinavia | 109 | 1.5K | 22 | 57 |
| 150 | Analytical Chemistry | 41 | 1.5K | 1,338 | 1,195 |
| 151 | Hematology | 37 | 1.5K | 650 | 595 |
| 152 | Animal Behavior | 42 | 1.5K | 455 | 515 |
| 153 | environmental exposure | 42 | 1.4K | 265 | 287 |
| 154 | epilepsy | 52 | 1.4K | 76 | 95 |
| 155 | Retina | 3 | 1.4K | 144 | 63 |
| 155 | eye | 3 | 1.4K | 179 | 69 |
| 157 | Host-parasite interactions | 6 | 1.4K | 748 | 383 |
| 158 | Physical Chemistry | 8 | 1.4K | 1,384 | 591 |
| 159 | Earth Sciences | 24 | 1.4K | 1,171 | 763 |
| 160 | Plants | 11 | 1.4K | 1,045 | 565 |
| 161 | Environmental Toxicology | 28 | 1.3K | 618 | 567 |
| 162 | Photonics | 40 | 1.3K | 476 | 534 |
| 163 | Bones | 18 | 1.3K | 226 | 179 |
| 164 | miniaturization | 25 | 1.3K | 548 | 567 |
| 165 | Antioxidants | 9 | 1.3K | 365 | 175 |
| 166 | Genomics | 43 | 1.3K | 672 | 736 |
| 167 | Health Policy | 40 | 1.3K | 471 | 422 |
| 168 | medical education | 27 | 1.2K | 459 | 298 |
| 169 | Bacterial infections | 2 | 1.2K | 872 | 245 |
| 170 | educational innovations | 22 | 1.2K | 72 | 38 |
| 171 | Psychology | 78 | 1.2K | 857 | 1,084 |
| 172 | atmospheric models | 47 | 1.2K | 102 | 179 |
| 173 | mycoses | 1 | 1.2K | 1,119 | 234 |
| 174 | Obstetrics | 50 | 1.2K | 443 | 470 |
| 175 | Steroids | 22 | 1.2K | 254 | 139 |
| 176 | Evolution | 25 | 1.2K | 577 | 574 |
| 177 | Environmental pollutants | 33 | 1.2K | 475 | 481 |
| 178 | Psychophysiology | 25 | 1.2K | 956 | 848 |
| 179 | Medical Technology | 32 | 1.2K | 254 | 230 |
| 180 | genome | 17 | 1.2K | 522 | 511 |
| 181 | Lipids | 25 | 1.2K | 309 | 313 |
| 182 | Hypertension | 18 | 1.2K | 563 | 580 |
| 183 | Image Processing | 34 | 1.2K | 581 | 582 |
| 184 | Genetic therapy | 33 | 1.1K | 197 | 240 |
| 185 | Health Services Research | 63 | 1.1K | 202 | 300 |
| 186 | Energy Policy | 37 | 1.1K | 619 | 896 |
| 187 | marketing | 25 | 1.1K | 609 | 580 |
| 188 | Sustainable Development | 30 | 1.1K | 339 | 460 |
| 189 | Materials Science | 34 | 1.1K | 1,441 | 1,427 |
| 190 | gene therapy | 31 | 1.1K | 200 | 250 |
| 191 | Speech Perception | 15 | 1.1K | 99 | 59 |
| 191 | auditory perception | 15 | 1.1K | 116 | 68 |
| 193 | Ethology | 32 | 1.1K | 422 | 519 |
| 194 | Brain | 29 | 1.1K | 813 | 809 |
| 195 | Pharmacy management | 21 | 1.1K | 51 | 13 |
| 196 | Bioinformatics | 25 | 1.1K | 597 | 550 |
| 197 | Molecular evolution | 8 | 1.1K | 806 | 427 |
| 198 | Drug delivery systems | 19 | 1.0K | 488 | 415 |
| 199 | pollutants | 28 | 1.0K | 424 | 455 |
| 200 | Communication | 17 | 1.0K | 812 | 536 |
| 201 | rehabilitation | 47 | 1.0K | 365 | 491 |
| 202 | Chemotherapy | 26 | 1.0K | 334 | 262 |
| 203 | Land use | 24 | 1.0K | 216 | 178 |
| 204 | Public Policy | 27 | 1.0K | 429 | 378 |
| 204 | Microelectronics | 14 | 1.0K | 809 | 585 |
| 206 | Ventilation | 28 | 1.0K | 62 | 57 |
| 207 | Plant physiology | 24 | 994 | 727 | 742 |
| 208 | Nervous system | 22 | 992 | 808 | 741 |
| 209 | Social Psychology | 48 | 991 | 461 | 661 |
| 209 | indoor air pollution | 25 | 991 | 41 | 48 |
| 209 | Sick building syndrome | 25 | 991 | 41 | 48 |
| 212 | Genetic engineering | 14 | 986 | 871 | 601 |
| 213 | Health Education | 38 | 982 | 401 | 378 |
| 214 | Liver diseases | 14 | 975 | 570 | 544 |
| 215 | Zoology | 45 | 974 | 567 | 571 |
| 216 | Regional Planning | 47 | 967 | 254 | 353 |
| 217 | plant communities | 25 | 951 | 294 | 392 |
| 218 | disease outbreaks | 23 | 946 | 95 | 104 |
| 218 | Epidemics | 23 | 946 | 93 | 103 |
| 220 | older people | 43 | 945 | 302 | 240 |
| 221 | air quality management | 24 | 942 | 39 | 51 |
| 222 | Clinical Pharmacology | 66 | 931 | 114 | 255 |
| 223 | drug development | 13 | 919 | 333 | 353 |
| 224 | Stem cells | 17 | 910 | 515 | 432 |
| 225 | Entomology | 43 | 898 | 483 | 465 |
| 226 | Social Sciences | 56 | 895 | 587 | 701 |
| 227 | occupational diseases | 30 | 893 | 122 | 177 |
| 228 | Speech | 13 | 891 | 384 | 244 |
| 229 | Geriatric Psychiatry | 19 | 887 | 270 | 172 |
| 230 | behavioral medicine | 28 | 880 | 300 | 421 |
| 231 | Respiration | 34 | 878 | 347 | 442 |
| 232 | Oral communication | 10 | 876 | 158 | 35 |
| 233 | Nanostructured Materials | 35 | 874 | 1,003 | 1,168 |
| 234 | Environmental Chemistry | 34 | 871 | 400 | 776 |
| 235 | Medical innovations | 10 | 868 | 401 | 408 |
| 236 | radioactive waste | 11 | 865 | 303 | 249 |
| 236 | industrial waste | 11 | 865 | 328 | 249 |
| 236 | Hazardous waste | 11 | 865 | 387 | 270 |
| 239 | Hydrology | 35 | 862 | 607 | 715 |
| 240 | Adolescent | 41 | 856 | 401 | 494 |
| 241 | Quality of life | 29 | 848 | 264 | 356 |
| 242 | Reproduction | 38 | 846 | 544 | 635 |
| 243 | Agriculture | 15 | 844 | 818 | 536 |
| 244 | Medical Laboratory Science | 30 | 842 | 504 | 699 |
| 245 | Technology | 37 | 837 | 1,003 | 1,047 |
| 246 | Wildlife conservation | 16 | 817 | 415 | 412 |
| 246 | Radiation effects | 18 | 817 | 109 | 101 |
| 248 | Agricultural Ecology | 12 | 809 | 427 | 350 |
| 249 | Immunotherapy | 13 | 797 | 737 | 630 |
| 250 | Organometallic compounds | 23 | 794 | 418 | 355 |
| 251 | Artificial Intelligence | 32 | 791 | 1,164 | 1,247 |
| 252 | Paleoclimatology | 7 | 786 | 717 | 364 |
| 252 | Drug design | 16 | 786 | 519 | 380 |
| 254 | global environmental change | 20 | 782 | 188 | 279 |
| 254 | transport vesicles | 11 | 782 | 47 | 215 |
| 256 | Engineering | 39 | 773 | 1,122 | 1,088 |
| 256 | Signal Processing | 25 | 773 | 897 | 882 |
| 258 | Linguistics | 22 | 771 | 436 | 294 |
| 259 | Remote Sensing | 42 | 760 | 192 | 217 |
| 260 | health planning | 21 | 755 | 709 | 452 |
| 261 | Spectrum analysis | 39 | 745 | 1,315 | 1,531 |
| 262 | Aerosols | 37 | 743 | 79 | 126 |
| 262 | pain | 29 | 743 | 340 | 474 |
| 264 | Chronobiology | 10 | 742 | 150 | 58 |
| 264 | Psychopharmacology | 43 | 742 | 302 | 547 |
| 264 | biological clocks | 10 | 742 | 150 | 58 |
| 264 | circadian rhythm | 10 | 742 | 150 | 58 |
| 264 | biological rhythms | 10 | 742 | 134 | 58 |
| 269 | Developing countries | 44 | 740 | 364 | 597 |
| 270 | Diagnostic Imaging | 27 | 734 | 477 | 519 |
| 270 | energy resources | 17 | 734 | 456 | 652 |
| 272 | Animal ecology | 23 | 728 | 374 | 372 |
| 273 | Circadian rhythms | 8 | 727 | 125 | 51 |
| 274 | Agricultural Chemistry | 20 | 726 | 769 | 743 |
| 275 | Cell differentiation | 17 | 721 | 581 | 700 |
| 276 | Medical Physics | 31 | 718 | 439 | 544 |
| 277 | Ophthalmology | 15 | 715 | 749 | 574 |
| 278 | Critical Care | 14 | 711 | 557 | 626 |
| 279 | Biomass | 26 | 710 | 61 | 161 |
| 280 | Radiography | 14 | 704 | 281 | 323 |
| 281 | Astrocytes | 11 | 700 | 188 | 198 |
| 282 | Marine Biology | 22 | 699 | 963 | 915 |
| 283 | Optical materials | 29 | 697 | 843 | 1,097 |
| 284 | Critical Care Medicine | 14 | 695 | 546 | 637 |
| 284 | alcoholism | 41 | 695 | 292 | 462 |
| 286 | Solid State Physics | 36 | 676 | 1,306 | 1,355 |
| 287 | energy conservation | 14 | 675 | 862 | 878 |
| 288 | Nutrigenomics | 8 | 673 | 25 | 15 |
| 289 | Statistical physics | 52 | 664 | 923 | 1,211 |
| 290 | Adolescent Medicine | 11 | 662 | 204 | 269 |
| 291 | Neuropsychology | 28 | 648 | 688 | 788 |
| 292 | freshwater biology | 10 | 646 | 417 | 228 |
| 293 | Nutrition physiology | 5 | 643 | 533 | 219 |
| 294 | Molecular cloning | 6 | 640 | 968 | 388 |
| 294 | Genetic recombination | 6 | 640 | 952 | 382 |
| 294 | Recombinant DNA | 6 | 640 | 1,013 | 420 |
| 297 | Plant cells | 13 | 638 | 509 | 677 |
| 298 | Microbial Ecology | 23 | 634 | 716 | 1,069 |
| 299 | gene mapping | 13 | 615 | 793 | 751 |
| 300 | Plant diseases | 28 | 610 | 568 | 635 |
| 301 | Regional Economics | 26 | 607 | 43 | 72 |
| 302 | Biogeochemical cycles | 11 | 606 | 173 | 242 |
| 303 | Systems Engineering | 11 | 599 | 1,131 | 676 |
| 304 | Pregnancy | 20 | 598 | 187 | 180 |
| 305 | Elderly | 26 | 594 | 336 | 171 |
| 306 | Nuclear Physics | 45 | 593 | 1,388 | 1,669 |
| 307 | feeding behavior | 17 | 592 | 218 | 255 |
| 308 | Extracellular matrix | 7 | 589 | 119 | 101 |
| 308 | Immune system | 7 | 589 | 544 | 532 |
| 308 | collagen | 7 | 589 | 125 | 110 |
| 311 | environmental indicators | 13 | 582 | 423 | 413 |
| 312 | ecosystem | 18 | 581 | 458 | 578 |
| 313 | vitamin C | 3 | 580 | 384 | 84 |
| 313 | vitamin E | 3 | 580 | 384 | 84 |
| 315 | Sociology | 49 | 576 | 583 | 966 |
| 316 | Fisheries | 31 | 573 | 376 | 537 |
| 317 | Thrombosis | 17 | 571 | 391 | 413 |
| 318 | Speech-Language Pathology | 7 | 569 | 135 | 30 |
| 318 | automatic speech recognition | 7 | 569 | 45 | 15 |
| 320 | Health Information Management | 6 | 564 | 133 | 188 |
| 321 | Human-Computer Interaction | 12 | 563 | 648 | 473 |
| 322 | Occupational Health | 33 | 558 | 162 | 241 |
| 323 | Medical Ethics | 32 | 547 | 238 | 211 |
| 323 | gastrointestinal tract | 3 | 547 | 312 | 119 |
| 325 | Pediatric Neurology | 7 | 546 | 529 | 499 |
| 326 | animals | 30 | 542 | 230 | 260 |
| 327 | Electrochemistry | 16 | 537 | 1,883 | 1,512 |
| 328 | Meteorology | 19 | 536 | 809 | 988 |
| 328 | Cybernetics | 11 | 536 | 808 | 630 |
| 328 | Neurotransmitters | 7 | 536 | 169 | 118 |
| 328 | nanoscience | 17 | 536 | 1,235 | 1,383 |
| 332 | Geriatric Pharmacology | 17 | 534 | 41 | 48 |
| 333 | Surgery | 22 | 522 | 500 | 813 |
| 334 | adolescence | 16 | 521 | 330 | 363 |
| 335 | Law | 36 | 513 | 236 | 193 |
| 336 | Educational Sociology | 19 | 510 | 47 | 38 |
| 336 | China | 28 | 510 | 774 | 872 |
| 338 | vascular diseases | 16 | 508 | 259 | 366 |
| 339 | Europa | 19 | 502 | 109 | 145 |
| 340 | Condensed Matter | 16 | 498 | 1,496 | 1,349 |
| 341 | psychotherapy | 42 | 493 | 262 | 516 |
| 342 | Climatology | 12 | 492 | 822 | 766 |
| 343 | Australia | 30 | 491 | 359 | 464 |
| 344 | Child Development | 23 | 490 | 606 | 782 |
| 345 | Emergency Medical Services | 17 | 489 | 146 | 108 |
| 345 | Emergency Medicine | 17 | 489 | 452 | 338 |
| 347 | Soil Science | 14 | 487 | 815 | 811 |
| 348 | health services accessibility | 14 | 486 | 322 | 285 |
| 349 | Cerebral cortex | 11 | 483 | 442 | 445 |
| 350 | Human Geography | 35 | 480 | 229 | 355 |
| 351 | Informatics | 17 | 478 | 225 | 292 |
| 352 | Water quality management | 11 | 476 | 887 | 544 |
| 353 | Cellular senescence | 5 | 470 | 151 | 170 |
| 354 | Geopolitics | 15 | 467 | 39 | 30 |
| 355 | Neurosurgery | 8 | 459 | 534 | 382 |
| 356 | Radiobiology | 27 | 458 | 339 | 502 |
| 357 | Electrophysiology | 9 | 453 | 499 | 294 |
| 357 | Appetite | 13 | 453 | 222 | 274 |
| 359 | Bioethics | 23 | 451 | 243 | 206 |
| 359 | Social behavior | 20 | 451 | 381 | 530 |
| 361 | Bacteriology | 7 | 446 | 1,116 | 943 |
| 362 | Electronics | 19 | 443 | 1,408 | 1,293 |
| 362 | brain mapping | 10 | 443 | 292 | 324 |
| 364 | curriculum evaluation | 12 | 440 | 97 | 73 |
| 365 | Rural Development | 19 | 437 | 89 | 164 |
| 366 | Economics | 26 | 434 | 1,516 | 1,545 |
| 367 | Social work | 38 | 431 | 310 | 432 |
| 368 | mathematical analysis | 48 | 430 | 642 | 838 |
| 368 | Aquaculture | 21 | 430 | 468 | 575 |
| 370 | Ecosystem management | 19 | 429 | 163 | 263 |
| 370 | Cerebrospinal fluid | 16 | 429 | 15 | 33 |
| 372 | Chemical Ecology | 20 | 426 | 115 | 212 |
| 372 | nursing ethics | 20 | 426 | 16 | 44 |
| 374 | Oncogenes | 10 | 424 | 523 | 665 |
| 375 | Cell death | 8 | 416 | 652 | 676 |
| 376 | Geography | 32 | 415 | 547 | 864 |
| 376 | Sovereignty | 11 | 415 | 18 | 17 |
| 378 | Learning | 15 | 414 | 546 | 565 |
| 379 | Radiology | 24 | 412 | 360 | 380 |
| 380 | coal | 14 | 409 | 694 | 888 |
| 381 | Community Psychiatry | 12 | 408 | 381 | 395 |
| 382 | pheromones | 18 | 407 | 115 | 207 |
| 383 | Neuropsychiatry | 13 | 404 | 310 | 318 |
| 383 | Electrochemical Analysis | 2 | 404 | 1,798 | 652 |
| 385 | Social Change | 8 | 402 | 574 | 640 |
| 385 | Magnetic Resonance Spectroscopy | 26 | 402 | 339 | 408 |
| 385 | Molecular structure | 18 | 402 | 965 | 979 |
| 388 | nuclear magnetic resonance | 26 | 400 | 310 | 377 |
| 388 | Chromosome mapping | 7 | 400 | 1,033 | 840 |
| 390 | Ecological Engineering | 4 | 396 | 535 | 260 |
| 391 | Health | 23 | 395 | 624 | 841 |
| 392 | Physical fitness | 13 | 394 | 424 | 476 |
| 393 | Neuroimmunology | 11 | 392 | 281 | 388 |
| 394 | Child psychology | 12 | 390 | 657 | 761 |
| 395 | Light | 4 | 389 | 756 | 646 |
| 396 | Geology | 23 | 387 | 1,134 | 1,308 |
| 397 | Early Childhood Education | 23 | 385 | 125 | 156 |
| 397 | Cognitive Science | 10 | 385 | 784 | 776 |
| 399 | Bioinorganic chemistry | 15 | 381 | 624 | 623 |
| 400 | Psychoneuroimmunology | 9 | 372 | 290 | 360 |
| 400 | Long-Term Care | 20 | 372 | 117 | 261 |
| 400 | Long-term care facilities | 20 | 372 | 117 | 261 |
| 403 | drug addiction | 11 | 367 | 513 | 549 |
| 404 | Geochemistry | 12 | 366 | 999 | 1,014 |
| 404 | Cosmochemistry | 12 | 366 | 390 | 437 |
| 406 | Mass Spectrometry | 19 | 365 | 390 | 494 |
| 407 | Environmental Psychology | 2 | 364 | 463 | 235 |
| 408 | Economic History | 17 | 362 | 1,397 | 1,216 |
| 409 | Pharmacogenetics | 10 | 360 | 404 | 429 |
| 410 | Marine Pollution | 5 | 359 | 921 | 666 |
| 411 | Substance Abuse | 20 | 356 | 470 | 593 |
| 412 | International Relations | 28 | 353 | 252 | 342 |
| 412 | Molecular ecology | 10 | 353 | 553 | 691 |
| 412 | Hospitality industry | 12 | 353 | 94 | 94 |
| 415 | Carbon | 15 | 351 | 507 | 871 |
| 416 | Histology | 13 | 350 | 835 | 898 |
| 417 | Qualitative Research | 23 | 349 | 94 | 197 |
| 417 | Auditing | 9 | 349 | 153 | 154 |
| 419 | Oceanography | 12 | 347 | 862 | 873 |
| 420 | industrial hygiene | 14 | 345 | 321 | 181 |
| 421 | Oncology | 14 | 343 | 838 | 1,333 |
| 421 | Computer Vision | 8 | 343 | 680 | 633 |
| 421 | Polymers | 12 | 343 | 2,356 | 2,105 |
| 424 | Youth | 14 | 341 | 255 | 358 |
| 425 | Geomorphology | 13 | 339 | 654 | 833 |
| 425 | calcification | 10 | 339 | 223 | 246 |
| 427 | Insects | 11 | 338 | 712 | 554 |
| 428 | Molecular Genetics | 12 | 337 | 850 | 1,027 |
| 428 | Mineral resources | 10 | 337 | 192 | 276 |
| 430 | Transplantation | 3 | 330 | 800 | 552 |
| 431 | curriculum | 8 | 327 | 27 | 11 |
| 431 | curriculum planning | 8 | 327 | 68 | 30 |
| 431 | proteins | 16 | 327 | 811 | 941 |
| 434 | Geographic information systems | 19 | 325 | 269 | 312 |
| 435 | Industrial Microbiology | 10 | 322 | 991 | 1,135 |
| 436 | Geriatric Nursing | 9 | 321 | 217 | 69 |
| 437 | Gene expression regulation | 7 | 320 | 532 | 479 |
| 438 | Child welfare | 22 | 314 | 302 | 420 |
| 438 | Animal genetics | 10 | 314 | 266 | 249 |
| 440 | water supply | 7 | 312 | 525 | 519 |
| 440 | wood | 23 | 312 | 103 | 144 |
| 442 | Leisure | 9 | 311 | 137 | 148 |
| 443 | Surface-Active Agents | 5 | 310 | 854 | 629 |
| 443 | Surface properties | 5 | 310 | 903 | 698 |
| 445 | Food additives | 11 | 306 | 482 | 653 |
| 446 | Mental Health | 17 | 305 | 547 | 651 |
| 447 | Solid State Chemistry | 20 | 304 | 1,098 | 1,251 |
| 448 | Green Chemistry | 5 | 302 | 1,355 | 1,217 |
| 449 | Respiratory system | 5 | 300 | 387 | 278 |
| 450 | language | 7 | 298 | 496 | 435 |
| 451 | Pharmacognosy | 7 | 295 | 1,200 | 1,147 |
| 452 | individual differences | 18 | 294 | 42 | 156 |
| 453 | Systems Biology | 14 | 293 | 597 | 732 |
| 453 | Evidence-Based Medicine | 6 | 293 | 405 | 261 |
| 453 | Entrepreneurship | 12 | 293 | 369 | 701 |
| 456 | Medical Microbiology | 9 | 292 | 1,128 | 1,306 |
| 456 | Cognitive neuroscience | 5 | 292 | 725 | 640 |
| 458 | Engineering Mathematics | 12 | 291 | 893 | 726 |
| 458 | blood transfusion | 17 | 291 | 194 | 253 |
| 458 | Aquatic ecology | 16 | 291 | 297 | 416 |
| 461 | DNA methylation | 4 | 290 | 209 | 149 |
| 462 | concrete | 6 | 286 | 660 | 687 |
| 463 | Nanoparticles | 11 | 285 | 952 | 1,100 |
| 463 | Proteome | 8 | 285 | 644 | 679 |
| 465 | Microorganisms | 6 | 284 | 682 | 728 |
| 466 | arthritis | 10 | 279 | 551 | 691 |
| 467 | Sustainable Engineering | 4 | 277 | 1,429 | 1,040 |
| 468 | Sound | 13 | 275 | 428 | 407 |
| 469 | Phylogeny | 5 | 274 | 663 | 582 |
| 470 | Urban Policy | 8 | 273 | 433 | 433 |
| 471 | Soil ecology | 13 | 272 | 283 | 470 |
| 472 | Software Engineering | 5 | 270 | 774 | 501 |
| 472 | Borderlands | 24 | 270 | 3 | 6 |
| 474 | mutation | 7 | 269 | 301 | 345 |
| 474 | Geobiology | 13 | 269 | 137 | 221 |
| 476 | Waste management | 8 | 268 | 816 | 596 |
| 476 | Women's health | 10 | 268 | 551 | 527 |
| 478 | Crystal growth | 8 | 266 | 634 | 560 |
| 479 | preventive medicine | 8 | 264 | 640 | 686 |
| 480 | Psychiatric Epidemiology | 10 | 263 | 185 | 299 |
| 481 | city planning | 10 | 261 | 841 | 810 |
| 482 | Organometallic chemistry | 14 | 260 | 990 | 985 |
| 482 | Decision making | 9 | 260 | 766 | 756 |
| 484 | viruses | 12 | 259 | 589 | 876 |
| 485 | Environmental Microbiology | 10 | 256 | 673 | 1,007 |
| 486 | Adolescent Psychology | 11 | 255 | 370 | 473 |
| 487 | Genetic Toxicology | 6 | 252 | 212 | 253 |
| 488 | Ultrasonics | 8 | 251 | 691 | 799 |
| 489 | Computer Science | 7 | 250 | 1,367 | 841 |
| 489 | Environmental Education | 10 | 250 | 103 | 153 |
| 491 | Orthopedics | 11 | 248 | 697 | 729 |
| 491 | Quality Control | 10 | 248 | 803 | 943 |
| 491 | Intelligent Tutoring Systems | 2 | 248 | 58 | 3 |
| 491 | Chromosomes | 10 | 248 | 428 | 555 |
| 495 | Hemodynamics | 4 | 247 | 513 | 524 |
| 495 | Socioeconomic Factors | 10 | 247 | 318 | 387 |
| 497 | Educational Change | 4 | 244 | 38 | 23 |
| 498 | Genetic regulation | 7 | 242 | 617 | 701 |
| 499 | Cement | 3 | 240 | 552 | 505 |
| 500 | Bioremediation | 5 | 238 | 598 | 462 |
| 500 | sustainability | 9 | 238 | 395 | 647 |
| 502 | internet | 6 | 236 | 1,090 | 950 |
| 503 | Learning disabilities | 8 | 234 | 494 | 442 |
| 504 | Eating Disorders | 8 | 231 | 469 | 471 |
| 504 | Feeding and Eating Disorders | 8 | 231 | 444 | 447 |
| 506 | aerosol | 16 | 229 | 106 | 197 |
| 507 | Mycology | 4 | 227 | 1,262 | 961 |
| 508 | Composite Materials | 7 | 224 | 1,751 | 1,850 |
| 508 | United Kingdom | 12 | 224 | 673 | 892 |
| 508 | Exercise | 14 | 224 | 617 | 762 |
| 511 | Medical Oncology | 6 | 223 | 984 | 962 |
| 511 | Carcinogenesis | 4 | 223 | 730 | 602 |
| 511 | Enteral nutrition | 8 | 223 | 412 | 553 |
| 511 | Parenteral nutrition | 8 | 223 | 503 | 637 |
| 515 | Mental Health Services | 9 | 222 | 616 | 610 |
| 516 | Invertebrates | 9 | 221 | 277 | 281 |
| 517 | Drug delivery devices | 4 | 218 | 171 | 185 |
| 517 | Multimedia Systems | 7 | 218 | 1,199 | 911 |
| 519 | Adult Education | 14 | 217 | 178 | 178 |
| 519 | Child | 21 | 217 | 778 | 1,263 |
| 519 | Strategic planning | 5 | 217 | 576 | 460 |
| 522 | Humanities | 20 | 214 | 451 | 587 |
| 523 | Radiation | 21 | 213 | 740 | 1,085 |
| 524 | Electromagnetic fields | 1 | 212 | 729 | 27 |
| 524 | cloning | 4 | 212 | 483 | 523 |
| 526 | Economic Development | 11 | 210 | 738 | 1,060 |
| 527 | Project Management | 4 | 205 | 210 | 290 |
| 527 | Forensic Psychiatry | 9 | 205 | 277 | 264 |
| 527 | Small Business | 5 | 205 | 571 | 763 |
| 530 | Histochemistry | 10 | 202 | 520 | 578 |
| 531 | Health Services Administration | 16 | 201 | 298 | 547 |
| 532 | Oral Medicine | 12 | 197 | 297 | 289 |
| 532 | soil conservation | 8 | 197 | 382 | 504 |
| 532 | mass transfer | 5 | 197 | 1,353 | 1,190 |
| 535 | Political Science | 5 | 195 | 1,306 | 804 |
| 535 | lasers | 11 | 195 | 1,160 | 1,188 |
| 537 | Urology | 4 | 193 | 1,038 | 842 |
| 537 | Reproductive toxicology | 9 | 193 | 148 | 267 |
| 537 | carcinogens | 2 | 193 | 1,050 | 645 |
| 537 | mutagens | 2 | 193 | 763 | 593 |
| 537 | environmental issues | 7 | 193 | 198 | 265 |
| 542 | Sonochemistry | 3 | 192 | 666 | 618 |
| 542 | polymerization | 9 | 192 | 2,279 | 2,225 |
| 544 | Clinical Immunology | 7 | 191 | 616 | 693 |
| 545 | Immunopathology | 9 | 190 | 608 | 780 |
| 546 | Virulence | 5 | 189 | 743 | 962 |
| 546 | Classroom Environment | 4 | 189 | 30 | 21 |
| 546 | Kidney diseases | 5 | 189 | 637 | 549 |
| 549 | Microscopy | 4 | 188 | 1,218 | 670 |
| 550 | mammals | 7 | 184 | 624 | 545 |
| 551 | Transport | 6 | 183 | 367 | 415 |
| 551 | Sea | 6 | 183 | 319 | 331 |
| 551 | Fishery resources | 6 | 183 | 360 | 368 |
| 554 | Conservation Biology | 7 | 181 | 701 | 829 |
| 555 | Internet of Things | 2 | 180 | 1,311 | 862 |
| 556 | Psychosomatic Medicine | 11 | 179 | 333 | 568 |
| 557 | Stochastic Processes | 3 | 178 | 960 | 415 |
| 557 | pain management | 8 | 178 | 300 | 348 |
| 557 | drug evaluation | 12 | 178 | 532 | 834 |
| 560 | ethanol | 16 | 177 | 121 | 264 |
| 560 | identity recognition | 1 | 177 | 97 | 17 |
| 562 | Electrophoresis | 7 | 176 | 1,037 | 1,055 |
| 562 | Chromatography | 7 | 176 | 1,043 | 941 |
| 562 | Smoking | 6 | 176 | 462 | 540 |
| 562 | Chromatographic analysis | 7 | 176 | 1,196 | 1,019 |
| 566 | Energy Storage | 2 | 175 | 1,473 | 911 |
| 566 | Population Genetics | 10 | 175 | 610 | 946 |
| 566 | Thorax | 3 | 175 | 350 | 306 |
| 569 | Psychiatric Nursing | 16 | 174 | 193 | 353 |
| 570 | India | 8 | 172 | 735 | 364 |
| 571 | actuators | 6 | 171 | 1,575 | 1,691 |
| 571 | Allergy | 4 | 171 | 792 | 898 |
| 571 | transducers | 6 | 171 | 1,575 | 1,691 |
| 574 | Social welfare | 13 | 170 | 213 | 294 |
| 575 | Kinetics | 2 | 168 | 638 | 224 |
| 575 | soil management | 2 | 168 | 669 | 470 |
| 575 | tillage | 2 | 168 | 492 | 405 |
| 575 | Multiple sclerosis | 9 | 168 | 259 | 248 |
| 579 | Comparative Physiology | 13 | 167 | 331 | 568 |
| 580 | Continuing Education | 10 | 165 | 180 | 149 |
| 580 | biological monitoring | 4 | 165 | 388 | 339 |
| 580 | Cognition | 13 | 165 | 801 | 1,141 |
| 583 | Occupational Therapy | 9 | 164 | 503 | 364 |
| 583 | Rheumatology | 13 | 164 | 477 | 765 |
| 583 | Kinesiology | 1 | 164 | 336 | 64 |
| 583 | Structural design | 2 | 164 | 1,059 | 551 |
| 583 | Smart Materials | 2 | 164 | 1,168 | 589 |
| 588 | Geometry | 20 | 163 | 423 | 454 |
| 588 | dietary supplements | 4 | 163 | 723 | 635 |
| 588 | amino acids | 14 | 163 | 116 | 415 |
| 591 | Municipal Engineering | 4 | 162 | 256 | 183 |
| 591 | drug abuse | 15 | 162 | 201 | 371 |
| 593 | Energy Conversion | 1 | 161 | 1,669 | 1,180 |
| 593 | fuel cells | 1 | 161 | 1,691 | 1,094 |
| 595 | Quantum Optics | 9 | 160 | 495 | 499 |
| 595 | Atomic spectroscopy | 9 | 160 | 650 | 687 |
| 595 | Laser Spectroscopy | 9 | 160 | 436 | 455 |
| 595 | sports injuries | 7 | 160 | 288 | 279 |
| 599 | Higher Education | 7 | 159 | 356 | 346 |
| 599 | Developmental Neurobiology | 3 | 159 | 533 | 317 |
| 599 | health services | 13 | 159 | 411 | 633 |
| 602 | Database Management | 4 | 158 | 650 | 538 |
| 602 | Health insurance | 3 | 158 | 395 | 279 |
| 604 | Intellectual disability | 4 | 157 | 659 | 502 |
| 605 | Chronic diseases | 9 | 155 | 340 | 538 |
| 606 | Nephrology | 2 | 153 | 529 | 445 |
| 607 | Industrial Engineering | 6 | 151 | 1,276 | 1,354 |
| 608 | Land Use Planning | 5 | 150 | 257 | 343 |
| 609 | Radiation Oncology | 2 | 149 | 394 | 225 |
| 609 | DNA polymerases | 5 | 149 | 266 | 568 |
| 611 | Zeolites | 7 | 147 | 583 | 866 |
| 611 | sexual behavior | 2 | 147 | 826 | 492 |
| 613 | polar regions | 8 | 146 | 329 | 416 |
| 613 | Ion channels | 1 | 146 | 217 | 57 |
| 615 | Neural circuitry | 8 | 144 | 1,263 | 1,708 |
| 615 | Chemical industry | 3 | 144 | 1,279 | 767 |
| 617 | Leadership | 10 | 143 | 190 | 533 |
| 618 | Language Disorders | 13 | 141 | 346 | 561 |
| 618 | Speech Disorders | 13 | 141 | 454 | 714 |
| 618 | Economic Assistance | 3 | 141 | 686 | 670 |
| 618 | population geography | 6 | 141 | 235 | 275 |
| 622 | Technological Innovations | 8 | 139 | 555 | 829 |
| 622 | Fungi | 2 | 139 | 1,117 | 898 |
| 624 | Intelligent Transportation Systems | 3 | 138 | 1,085 | 976 |
| 624 | Dietetics | 9 | 138 | 308 | 398 |
| 626 | Data Mining | 7 | 137 | 594 | 777 |
| 627 | Fuzzy systems | 6 | 136 | 1,203 | 928 |
| 628 | Criminal psychology | 6 | 135 | 552 | 575 |
| 629 | Ethics | 8 | 134 | 515 | 519 |
| 629 | Product life cycle | 7 | 134 | 130 | 269 |
| 629 | green products | 7 | 134 | 119 | 260 |
| 629 | child abuse | 7 | 134 | 485 | 706 |
| 633 | Phytochemistry | 6 | 133 | 112 | 186 |
| 633 | Phytoremediation | 6 | 133 | 112 | 186 |
| 633 | environmental remediation | 6 | 133 | 148 | 211 |
| 633 | Atherosclerosis | 3 | 133 | 154 | 135 |
| 633 | Bioreactors | 6 | 133 | 112 | 186 |
| 638 | health behavior | 4 | 132 | 742 | 695 |
| 639 | radiative transfer | 8 | 131 | 346 | 371 |
| 639 | Parasitology | 8 | 131 | 1,409 | 1,595 |
| 639 | Social problems | 4 | 131 | 528 | 536 |
| 642 | Enzyme inhibitors | 9 | 130 | 147 | 286 |
| 642 | Fire ecology | 1 | 130 | 135 | 68 |
| 644 | Proteomics | 4 | 128 | 857 | 923 |
| 644 | Career development | 6 | 128 | 239 | 246 |
| 644 | Industrial Ecology | 2 | 128 | 218 | 201 |
| 647 | Global Health | 5 | 127 | 759 | 647 |
| 647 | sustainable forestry | 3 | 127 | 98 | 25 |
| 649 | food handling | 5 | 126 | 656 | 915 |
| 649 | natural products | 2 | 126 | 2,098 | 1,287 |
| 649 | drug interactions | 2 | 126 | 70 | 17 |
| 652 | Luminescence | 6 | 125 | 986 | 947 |
| 652 | Endocrine system | 16 | 125 | 213 | 175 |
| 654 | Nanostructures | 6 | 123 | 1,430 | 1,704 |
| 655 | Anatomy | 7 | 122 | 1,227 | 1,365 |
| 655 | Landscape Ecology | 6 | 122 | 299 | 471 |
| 655 | Psychiatric hospitals | 1 | 122 | 422 | 222 |
| 658 | Corporate governance | 2 | 121 | 792 | 567 |
| 658 | Mitochondria | 1 | 121 | 510 | 254 |
| 660 | Culture | 13 | 120 | 453 | 574 |
| 661 | Information Systems | 12 | 119 | 589 | 1,121 |
| 661 | emergency management | 4 | 119 | 579 | 573 |
| 661 | Research Design | 8 | 119 | 627 | 934 |
| 661 | Endocrine glands | 2 | 119 | 312 | 393 |
| 661 | food contamination | 2 | 119 | 1,302 | 690 |
| 661 | natural disasters | 3 | 119 | 1,325 | 1,159 |
| 667 | Cloud Computing | 2 | 118 | 444 | 294 |
| 667 | economic policy | 7 | 118 | 1,551 | 1,417 |
| 667 | ecotourism | 7 | 118 | 106 | 211 |
| 670 | Water Microbiology | 4 | 117 | 347 | 370 |
| 670 | Calorimetry | 3 | 117 | 1,271 | 849 |
| 670 | Bone diseases | 2 | 117 | 552 | 478 |
| 670 | liver | 5 | 117 | 212 | 210 |
| 670 | Thermal analysis | 3 | 117 | 1,271 | 849 |
| 675 | Transportation | 4 | 116 | 1,376 | 1,300 |
| 675 | counseling | 7 | 116 | 821 | 916 |
| 677 | complementary therapies | 6 | 115 | 1,137 | 1,352 |
| 678 | Teacher Education | 1 | 114 | 109 | 61 |
| 678 | ethnicity | 10 | 114 | 300 | 378 |
| 680 | Ecological Genetics | 5 | 113 | 470 | 401 |
| 680 | Personality Disorders | 3 | 113 | 250 | 251 |
| 682 | Cardiac electrophysiology | 2 | 112 | 287 | 264 |
| 682 | Africa | 17 | 112 | 498 | 867 |
| 682 | arrhythmia | 2 | 112 | 287 | 264 |
| 682 | Detectors | 6 | 112 | 1,080 | 1,248 |
| 686 | Palliative Care | 10 | 110 | 358 | 519 |
| 686 | drug toxicity | 4 | 110 | 346 | 413 |
| 688 | Combinatorial chemistry | 3 | 108 | 671 | 767 |
| 689 | Optical Communications | 5 | 107 | 599 | 553 |
| 689 | educational planning | 4 | 107 | 337 | 376 |
| 691 | Water Purification | 4 | 106 | 1,002 | 879 |
| 691 | Cellulose | 6 | 106 | 367 | 621 |
| 691 | hydrocolloids | 1 | 106 | 986 | 857 |
| 691 | tests | 1 | 106 | 374 | 202 |
| 691 | Vaccines | 5 | 106 | 1,164 | 1,303 |
| 696 | Precision medicine | 4 | 105 | 153 | 145 |
| 696 | Photochemistry | 3 | 105 | 1,649 | 1,464 |
| 696 | drug control | 5 | 105 | 255 | 322 |
| 696 | Genes | 6 | 105 | 726 | 930 |
| 700 | Medicinal plants | 2 | 104 | 1,614 | 1,433 |
| 701 | plant molecular biology | 3 | 103 | 1,373 | 1,571 |
| 702 | Metallurgy | 5 | 102 | 1,718 | 1,606 |
| 702 | Suicide | 3 | 102 | 515 | 434 |
| 704 | Political Geography | 5 | 101 | 202 | 261 |
| 704 | Hemostasis | 2 | 101 | 752 | 555 |
| 704 | land degradation | 4 | 101 | 411 | 540 |
| 704 | disabilities | 6 | 101 | 434 | 564 |
| 704 | Parkinson's disease | 2 | 101 | 291 | 251 |
| 704 | degradation | 4 | 101 | 411 | 540 |
| 710 | economic analysis | 1 | 100 | 495 | 218 |
| 711 | Amyotrophic Lateral Sclerosis | 2 | 99 | 270 | 227 |
| 711 | Frontotemporal lobar degeneration | 2 | 99 | 217 | 153 |
| 713 | toxicity testing | 3 | 98 | 614 | 596 |
| 714 | Biogeography | 3 | 97 | 944 | 1,092 |
| 714 | gene transfer | 6 | 97 | 118 | 240 |
| 714 | genetic transformation | 6 | 97 | 118 | 240 |
| 717 | soil pollution | 4 | 96 | 447 | 468 |
| 718 | Community Psychology | 8 | 95 | 295 | 516 |
| 718 | Neuroendocrinology | 1 | 95 | 247 | 242 |
| 718 | air quality | 3 | 95 | 202 | 183 |
| 718 | glycoproteins | 3 | 95 | 439 | 445 |
| 718 | Glycoconjugates | 3 | 95 | 439 | 445 |
| 718 | Oligosaccharide | 3 | 95 | 275 | 339 |
| 718 | Carbohydrates | 3 | 95 | 420 | 430 |
| 718 | Familial diseases | 4 | 95 | 124 | 131 |
| 718 | glycolipids | 3 | 95 | 439 | 445 |
| 727 | Patient education | 4 | 94 | 451 | 585 |
| 727 | Biodegradation | 4 | 94 | 619 | 821 |
| 727 | Interfaces | 1 | 94 | 657 | 247 |
| 730 | Nondestructive testing | 2 | 93 | 837 | 559 |
| 730 | Environmental Sociology | 3 | 93 | 30 | 24 |
| 730 | Computer Literacy | 2 | 93 | 290 | 224 |
| 733 | Computer-Aided Design | 4 | 92 | 1,042 | 1,025 |
| 733 | protein | 7 | 92 | 735 | 996 |
| 733 | residential treatment | 3 | 92 | 142 | 115 |
| 736 | Dynamics | 8 | 91 | 1,025 | 1,190 |
| 736 | speech therapy | 4 | 91 | 337 | 322 |
| 736 | Communication Disorders | 4 | 91 | 254 | 228 |
| 736 | Diplomatic relations | 2 | 91 | 795 | 296 |
| 740 | Economic Geography | 6 | 90 | 210 | 334 |
| 740 | Educational Leadership | 2 | 90 | 194 | 94 |
| 740 | Travel | 3 | 90 | 749 | 619 |
| 740 | Family Therapy | 11 | 90 | 342 | 581 |
| 740 | Microbiota | 2 | 90 | 86 | 40 |
| 740 | cell physiology | 3 | 90 | 1,257 | 1,452 |
| 746 | Industrial Safety | 8 | 89 | 642 | 1,050 |
| 746 | Alternative Medicine | 5 | 89 | 1,097 | 1,472 |
| 746 | Recycling | 1 | 89 | 1,046 | 1,010 |
| 749 | Ergonomics | 6 | 88 | 639 | 775 |
| 749 | Applied Linguistics | 7 | 88 | 344 | 449 |
| 749 | Environmentalism | 2 | 88 | 203 | 205 |
| 749 | Social policy | 12 | 88 | 432 | 796 |
| 749 | Photobiology | 2 | 88 | 1,641 | 1,308 |
| 754 | industrial relations | 6 | 87 | 585 | 677 |
| 754 | Comparative Law | 18 | 87 | 40 | 45 |
| 754 | Criminal behavior | 4 | 87 | 136 | 163 |
| 754 | Export Marketing | 1 | 87 | 456 | 312 |
| 754 | Marine mammals | 5 | 87 | 172 | 232 |
| 759 | peptides | 2 | 86 | 994 | 635 |
| 759 | Membranes | 3 | 86 | 1,511 | 1,687 |
| 761 | Religious Education | 18 | 85 | 18 | 41 |
| 761 | Genetic Research | 4 | 85 | 108 | 147 |
| 761 | Religion and Culture | 2 | 85 | 388 | 192 |
| 761 | ethnic groups | 4 | 85 | 270 | 309 |
| 761 | Population | 3 | 85 | 846 | 904 |
| 766 | Biosensors | 4 | 84 | 1,095 | 1,680 |
| 766 | Comparative Education | 3 | 84 | 218 | 135 |
| 766 | Bioelectronics | 4 | 84 | 956 | 1,544 |
| 769 | Agricultural Engineering | 4 | 83 | 361 | 471 |
| 769 | Solar Energy | 2 | 83 | 2,006 | 1,938 |
| 769 | visualization | 8 | 83 | 794 | 785 |
| 769 | Telecommunication | 7 | 83 | 1,736 | 2,132 |
| 773 | Geochemical Modeling | 2 | 82 | 292 | 255 |
| 773 | geological modeling | 2 | 82 | 695 | 444 |
| 775 | Environmental Economics | 6 | 81 | 189 | 360 |
| 775 | Simulation Methods | 6 | 81 | 650 | 910 |
| 775 | animal diseases | 5 | 81 | 347 | 471 |
| 775 | Climate | 3 | 81 | 570 | 669 |
| 775 | energy development | 5 | 81 | 583 | 1,008 |
| 775 | enzymes | 5 | 81 | 1,080 | 1,452 |
| 781 | Autoantibodies | 3 | 80 | 510 | 613 |
| 781 | Autoimmunity | 3 | 80 | 623 | 792 |
| 781 | Autoimmune diseases | 3 | 80 | 556 | 653 |
| 781 | Spine | 5 | 80 | 465 | 679 |
| 785 | Historical Geography | 1 | 79 | 254 | 71 |
| 785 | Computational Intelligence | 7 | 79 | 327 | 581 |
| 785 | Asia | 10 | 79 | 1,471 | 2,152 |
| 785 | social marketing | 1 | 79 | 148 | 43 |
| 789 | Functional Analysis | 11 | 77 | 743 | 1,087 |
| 789 | Magnetic Materials | 3 | 77 | 1,478 | 1,438 |
| 789 | Randomized Controlled Trials | 9 | 77 | 492 | 716 |
| 789 | food industry | 4 | 77 | 635 | 695 |
| 793 | Fiber Optics | 3 | 76 | 895 | 862 |
| 793 | Growth | 3 | 76 | 942 | 1,245 |
| 793 | optical devices | 7 | 76 | 251 | 429 |
| 796 | Physical organic chemistry | 7 | 75 | 971 | 1,310 |
| 796 | Animal breeding | 5 | 75 | 558 | 710 |
| 796 | Japan | 7 | 75 | 1,115 | 1,473 |
| 796 | Protein engineering | 2 | 75 | 263 | 248 |
| 796 | molecular design | 2 | 75 | 288 | 248 |
| 801 | Telemedicine | 2 | 74 | 404 | 377 |
| 802 | Mathematics Education | 5 | 73 | 360 | 357 |
| 802 | pharmaceutical industry | 3 | 73 | 561 | 532 |
| 802 | Human biology | 5 | 73 | 465 | 550 |
| 805 | Genetic epidemiology | 2 | 72 | 276 | 253 |
| 805 | micromechanics | 7 | 72 | 349 | 624 |
| 805 | Radio | 8 | 72 | 843 | 1,356 |
| 805 | heredity | 2 | 72 | 750 | 587 |
| 809 | Manufacturing Processes | 1 | 71 | 2,859 | 2,069 |
| 809 | Production Engineering | 1 | 71 | 2,616 | 1,691 |
| 809 | Analytical Biochemistry | 5 | 71 | 1,321 | 1,624 |
| 809 | epidemiologic methods | 6 | 71 | 69 | 130 |
| 809 | clay | 3 | 71 | 827 | 1,101 |
| 814 | Information Retrieval | 4 | 70 | 376 | 537 |
| 814 | research grants | 3 | 70 | 5 | 2 |
| 814 | violence | 5 | 70 | 724 | 1,028 |
| 814 | sex crimes | 5 | 70 | 465 | 682 |
| 814 | Menopause | 2 | 70 | 369 | 332 |
| 819 | greenhouse effect | 2 | 69 | 79 | 86 |
| 819 | Reproductive health | 4 | 69 | 603 | 783 |
| 819 | Radioisotopes | 5 | 69 | 802 | 833 |
| 819 | Carbon dioxide | 2 | 69 | 79 | 86 |
| 819 | Development | 2 | 69 | 955 | 986 |
| 819 | world | 2 | 69 | 850 | 1,003 |
| 825 | Longevity | 2 | 68 | 225 | 215 |
| 825 | rejuvenation | 2 | 68 | 163 | 180 |
| 825 | Cell communication | 3 | 68 | 559 | 822 |
| 828 | Intercultural Communication | 3 | 67 | 434 | 487 |
| 828 | Synaptic Transmission | 3 | 67 | 431 | 542 |
| 828 | European integration | 2 | 67 | 271 | 242 |
| 828 | finance | 4 | 67 | 2,055 | 2,101 |
| 828 | international cooperation | 5 | 67 | 422 | 701 |
| 828 | European Economic Community | 2 | 67 | 271 | 242 |
| 834 | Mathematical Physics | 9 | 65 | 1,782 | 2,224 |
| 834 | Restoration Ecology | 3 | 65 | 422 | 510 |
| 834 | Biological Systems | 2 | 65 | 698 | 637 |
| 834 | Access to Information | 2 | 65 | 265 | 309 |
| 834 | big data | 2 | 65 | 850 | 692 |
| 834 | Computational Complexity | 4 | 65 | 911 | 891 |
| 834 | place marketing | 3 | 65 | 86 | 239 |
| 834 | biomedicine | 3 | 65 | 484 | 719 |
| 834 | Information dissemination | 2 | 65 | 265 | 309 |
| 843 | Audiology | 5 | 64 | 558 | 730 |
| 843 | Game Theory | 4 | 64 | 483 | 505 |
| 843 | Contraception | 3 | 64 | 553 | 632 |
| 843 | histological techniques | 4 | 64 | 549 | 801 |
| 843 | body temperature | 3 | 64 | 534 | 595 |
| 843 | scientific societies | 3 | 64 | 674 | 781 |
| 843 | Birth control | 3 | 64 | 419 | 557 |
| 850 | Bipolar Disorder | 3 | 63 | 305 | 413 |
| 850 | Hearing | 7 | 63 | 402 | 664 |
| 852 | Clinical Laboratory Science | 8 | 62 | 67 | 177 |
| 852 | Oral Pathology | 3 | 62 | 75 | 123 |
| 852 | transgenic organisms | 4 | 62 | 170 | 357 |
| 852 | Plant genetic engineering | 4 | 62 | 706 | 1,091 |
| 852 | transgenic animals | 4 | 62 | 155 | 348 |
| 852 | Nutritional support | 2 | 62 | 218 | 277 |
| 852 | Adhesion | 5 | 62 | 504 | 705 |
| 852 | Transgenic plants | 4 | 62 | 324 | 608 |
| 852 | Eurasia | 7 | 62 | 82 | 207 |
| 852 | adhesives | 5 | 62 | 538 | 712 |
| 862 | Serology | 2 | 61 | 627 | 598 |
| 862 | Discourse Analysis | 5 | 61 | 260 | 428 |
| 862 | Holistic Health | 3 | 61 | 458 | 453 |
| 862 | allied health | 3 | 61 | 262 | 309 |
| 866 | Consumer education | 5 | 60 | 206 | 580 |
| 867 | Mechatronics | 5 | 59 | 682 | 1,045 |
| 867 | Ferroelectricity | 5 | 59 | 790 | 797 |
| 867 | behavior therapy | 2 | 59 | 902 | 872 |
| 867 | crayfish | 6 | 59 | 3 | 2 |
| 867 | prostaglandins | 3 | 59 | 402 | 481 |
| 867 | natural gas | 1 | 59 | 630 | 496 |
| 867 | Culture techniques | 3 | 59 | 256 | 288 |
| 867 | Ultrasound | 5 | 59 | 524 | 825 |
| 867 | race relations | 4 | 59 | 516 | 590 |
| 867 | Radio frequency | 5 | 59 | 318 | 515 |
| 877 | Anthropology | 8 | 58 | 922 | 1,346 |
| 877 | Nanoelectronics | 3 | 58 | 767 | 675 |
| 877 | Human Rights | 7 | 58 | 311 | 515 |
| 877 | Immunopharmacology | 3 | 58 | 991 | 1,206 |
| 877 | Genetic algorithms | 3 | 58 | 314 | 543 |
| 877 | Evolutionary Computation | 3 | 58 | 468 | 762 |
| 877 | Pesticides | 1 | 58 | 1,155 | 721 |
| 877 | Semiconductor industry | 3 | 58 | 563 | 532 |
| 885 | Orthopedic Surgery | 2 | 57 | 815 | 750 |
| 885 | Ocean Engineering | 1 | 57 | 2,126 | 1,791 |
| 885 | baking | 1 | 57 | 344 | 233 |
| 888 | Public Administration | 7 | 56 | 876 | 1,232 |
| 888 | Nationalism | 8 | 56 | 161 | 292 |
| 888 | cultural policy | 3 | 56 | 212 | 209 |
| 888 | Entropy | 3 | 56 | 1,246 | 1,148 |
| 888 | nuclear magnetic resonance spectroscopy | 2 | 56 | 841 | 668 |
| 888 | Industry | 1 | 56 | 443 | 540 |
| 888 | Breeding | 3 | 56 | 1,123 | 1,347 |
| 895 | Theology | 19 | 55 | 158 | 180 |
| 895 | Disability Studies | 5 | 55 | 163 | 292 |
| 895 | men | 1 | 55 | 599 | 360 |
| 895 | technical education | 6 | 55 | 428 | 732 |
| 895 | masculinity | 1 | 55 | 209 | 160 |
| 895 | recreation | 3 | 55 | 689 | 629 |
| 901 | Philosophy | 3 | 54 | 1,462 | 915 |
| 901 | Physical Geography | 1 | 54 | 870 | 617 |
| 901 | Fishery management | 5 | 54 | 623 | 893 |
| 901 | Geriatric Oncology | 1 | 54 | 815 | 696 |
| 905 | Cartography | 4 | 53 | 372 | 399 |
| 905 | Business Ethics | 3 | 53 | 995 | 1,491 |
| 905 | Cardiac rehabilitation | 4 | 53 | 66 | 144 |
| 905 | Vocational guidance | 5 | 53 | 679 | 1,076 |
| 905 | Biomolecules | 3 | 53 | 443 | 738 |
| 905 | Safety management | 3 | 53 | 617 | 595 |
| 905 | biopolymers | 3 | 53 | 1,114 | 1,348 |
| 912 | Embryology | 5 | 52 | 1,021 | 1,544 |
| 912 | Astronomy | 1 | 52 | 2,947 | 2,475 |
| 912 | Nuclear Medicine | 6 | 52 | 598 | 841 |
| 912 | Astrophysics | 1 | 52 | 3,352 | 2,687 |
| 912 | Quantum electronics | 5 | 52 | 1,278 | 1,528 |
| 912 | reforestation | 4 | 52 | 108 | 181 |
| 912 | Anti-inflammatory agents | 1 | 52 | 522 | 330 |
| 912 | Cognitive Grammar | 3 | 52 | 54 | 89 |
| 912 | School Improvement Programs | 3 | 52 | 21 | 33 |
| 912 | afforestation | 4 | 52 | 108 | 181 |
| 912 | plankton | 3 | 52 | 194 | 293 |
| 923 | Dentistry | 4 | 51 | 611 | 630 |
| 923 | Ecosystem services | 2 | 51 | 29 | 44 |
| 923 | Medical Anthropology | 6 | 51 | 796 | 1,626 |
| 923 | Immunochemistry | 4 | 51 | 806 | 1,046 |
| 923 | Sales management | 1 | 51 | 438 | 484 |
| 923 | selling | 1 | 51 | 438 | 484 |
| 929 | Plant Pathology | 3 | 50 | 145 | 166 |
| 929 | Vocational Education | 7 | 50 | 334 | 585 |
| 929 | Psycholinguistics | 6 | 50 | 646 | 1,089 |
| 929 | Numerical Analysis | 9 | 50 | 1,496 | 2,143 |
| 929 | Interior Design | 7 | 50 | 7 | 5 |
| 929 | Popular culture | 3 | 50 | 571 | 338 |
| 935 | Physical Therapy | 3 | 49 | 1,182 | 1,436 |
| 935 | Industrial Sociology | 3 | 49 | 176 | 275 |
| 935 | Technology Assessment | 4 | 49 | 294 | 837 |
| 935 | Raman spectroscopy | 3 | 49 | 816 | 1,008 |
| 935 | organization | 8 | 49 | 450 | 1,112 |
| 935 | hygiene | 6 | 49 | 290 | 700 |
| 941 | Risk Management | 2 | 48 | 841 | 877 |
| 941 | particles | 3 | 48 | 1,048 | 1,286 |
| 941 | Granular materials | 3 | 48 | 619 | 920 |
| 941 | vitamins | 1 | 48 | 288 | 276 |
| 945 | Action Research | 1 | 47 | 480 | 260 |
| 945 | Crystallography | 4 | 47 | 1,458 | 1,186 |
| 945 | Metals | 2 | 47 | 2,200 | 2,088 |
| 945 | Emotions | 3 | 47 | 596 | 837 |
| 949 | Tissue Engineering | 2 | 46 | 453 | 502 |
| 949 | Inclusive Education | 2 | 46 | 234 | 265 |
| 949 | Lightweight concrete | 3 | 46 | 411 | 867 |
| 949 | Integration | 2 | 46 | 223 | 261 |
| 949 | commerce | 3 | 46 | 1,592 | 1,801 |
| 954 | Clinical Psychology | 6 | 45 | 806 | 1,396 |
| 954 | Plant Taxonomy | 1 | 45 | 643 | 492 |
| 956 | Nanochemistry | 4 | 44 | 1,132 | 1,645 |
| 956 | Medical Imaging | 2 | 44 | 292 | 311 |
| 956 | Magnetic Resonance Imaging | 2 | 44 | 481 | 520 |
| 956 | Herbal medicine | 1 | 44 | 1,254 | 1,274 |
| 956 | Histocompatibility Testing | 1 | 44 | 715 | 585 |
| 956 | Porous materials | 1 | 44 | 1,314 | 883 |
| 956 | cryosphere | 4 | 44 | 304 | 529 |
| 963 | Clinical Trials | 4 | 43 | 353 | 516 |
| 963 | Engineering Ethics | 1 | 43 | 388 | 306 |
| 963 | Cross-Cultural Studies | 3 | 43 | 732 | 955 |
| 963 | Professional ethics | 1 | 43 | 558 | 422 |
| 963 | child mental health | 6 | 43 | 289 | 607 |
| 963 | values | 10 | 43 | 52 | 128 |
| 963 | child behavior | 1 | 43 | 615 | 565 |
| 963 | Attention | 2 | 43 | 1,540 | 1,660 |
| 971 | Veterinary Pathology | 1 | 42 | 564 | 387 |
| 971 | Leukemia | 5 | 42 | 608 | 938 |
| 971 | Wales | 3 | 42 | 91 | 92 |
| 971 | thinking | 3 | 42 | 300 | 530 |
| 971 | Creativity | 3 | 42 | 286 | 573 |
| 976 | Cognitive Psychology | 6 | 41 | 268 | 506 |
| 976 | Neonatology | 3 | 41 | 574 | 749 |
| 976 | International Law | 10 | 41 | 169 | 202 |
| 976 | patient satisfaction | 2 | 41 | 158 | 90 |
| 976 | Dyslexia | 2 | 41 | 200 | 272 |
| 976 | System analysis | 3 | 41 | 2,292 | 2,622 |
| 982 | Robotics | 4 | 40 | 1,477 | 1,909 |
| 982 | Marine Ecology | 3 | 40 | 764 | 935 |
| 982 | Probability | 1 | 40 | 957 | 772 |
| 982 | Financial management | 1 | 40 | 844 | 817 |
| 982 | Soil fertility | 2 | 40 | 405 | 626 |
| 982 | Risk | 1 | 40 | 890 | 785 |
| 988 | Electrical Engineering | 3 | 39 | 2,886 | 2,685 |
| 988 | Philosophy of Mind | 1 | 39 | 511 | 334 |
| 988 | Clinical Biochemistry | 2 | 39 | 1,214 | 1,279 |
| 988 | Globalization | 6 | 39 | 342 | 808 |
| 988 | Approximation Theory | 7 | 39 | 275 | 456 |
| 988 | econometric models | 1 | 39 | 1,109 | 961 |
| 988 | Gastrointestinal diseases | 3 | 39 | 618 | 772 |
| 995 | Social History | 3 | 38 | 452 | 433 |
| 995 | Material Culture | 4 | 38 | 80 | 154 |
| 995 | Wireless Communication Systems | 6 | 38 | 1,695 | 2,429 |
| 995 | cytokines | 1 | 38 | 1,614 | 1,649 |
| 995 | human development | 2 | 38 | 953 | 1,175 |
| 1000 | Phonetics | 5 | 37 | 226 | 455 |