| 1 | Chemistry | 565 | 25.9K | 688 | 652 |
| 2 | Biology | 301 | 25.8K | 823 | 772 |
| 3 | Biochemistry | 464 | 25.3K | 745 | 559 |
| 4 | Medicine | 269 | 20.4K | 1002 | 650 |
| 5 | Neurology | 171 | 15.9K | 685 | 468 |
| 6 | Science | 315 | 13.2K | 828 | 1212 |
| 7 | Cell death | 25 | 12.2K | 324 | 51 |
| 8 | Molecular Biology | 236 | 11.6K | 891 | 867 |
| 9 | Cell differentiation | 21 | 11.4K | 621 | 128 |
| 10 | Astrophysics | 305 | 11.1K | 352 | 461 |
| 11 | Physics | 203 | 10.9K | 1303 | 1419 |
| 12 | Metabolic diseases | 52 | 10.7K | 461 | 168 |
| 13 | free radicals | 53 | 10.5K | 135 | 25 |
| 14 | Astronomy | 217 | 10.3K | 423 | 440 |
| 15 | Cell metabolism | 28 | 9.6K | 90 | 44 |
| 16 | Homeostasis | 20 | 9.4K | 90 | 44 |
| 17 | Biotechnology | 117 | 9.4K | 914 | 576 |
| 18 | Research | 236 | 8.9K | 837 | 766 |
| 19 | Catalysis | 205 | 7.9K | 369 | 418 |
| 20 | Cell Biology | 70 | 7.6K | 825 | 627 |
| 21 | Cytology | 82 | 7.3K | 812 | 658 |
| 22 | Microbiology | 150 | 7.3K | 866 | 865 |
| 23 | Lipids | 116 | 7.1K | 29 | 29 |
| 24 | Geophysics | 205 | 7.1K | 398 | 403 |
| 25 | Nuclear Physics | 229 | 6.9K | 692 | 648 |
| 26 | Psychophysiology | 145 | 6.6K | 295 | 308 |
| 27 | Pharmacology | 149 | 6.4K | 690 | 563 |
| 28 | Neurochemistry | 41 | 6.1K | 606 | 214 |
| 29 | Biomedical Engineering | 74 | 6.0K | 909 | 429 |
| 30 | Neurophysiology | 73 | 5.9K | 528 | 397 |
| 31 | Earth Sciences | 96 | 5.5K | 415 | 285 |
| 32 | Geology | 103 | 5.4K | 505 | 321 |
| 33 | Spectrum analysis | 132 | 5.4K | 507 | 552 |
| 34 | Technology | 51 | 5.3K | 891 | 249 |
| 35 | Climatology | 71 | 4.6K | 244 | 187 |
| 36 | Physiology | 94 | 4.6K | 653 | 535 |
| 37 | Dermatology | 63 | 4.2K | 265 | 132 |
| 38 | Environment | 69 | 4.1K | 922 | 989 |
| 39 | Colloids | 63 | 4.1K | 849 | 559 |
| 40 | Biophysics | 124 | 4.0K | 925 | 890 |
| 41 | Ecology | 130 | 4.0K | 889 | 1207 |
| 42 | Solar System | 91 | 3.9K | 86 | 82 |
| 43 | Pharmaceutical Technology | 67 | 3.7K | 108 | 58 |
| 44 | Sun | 85 | 3.6K | 37 | 33 |
| 45 | Meteorology | 62 | 3.6K | 406 | 354 |
| 46 | catalytic activity | 59 | 3.6K | 22 | 11 |
| 47 | Brain | 57 | 3.5K | 568 | 435 |
| 48 | Psychology | 123 | 3.4K | 616 | 659 |
| 49 | Genetics | 42 | 3.4K | 972 | 800 |
| 50 | Quantum Gravity | 119 | 3.4K | 444 | 446 |
| 51 | Surface Chemistry | 47 | 3.2K | 1045 | 620 |
| 52 | Natural history | 35 | 3.1K | 1007 | 1672 |
| 53 | Virology | 25 | 3.0K | 1080 | 832 |
| 54 | personality | 43 | 2.9K | 299 | 238 |
| 55 | global environmental change | 13 | 2.9K | 285 | 64 |
| 56 | Environmental Management | 47 | 2.9K | 504 | 373 |
| 57 | Bioorganic chemistry | 51 | 2.9K | 589 | 376 |
| 58 | Nutrition | 35 | 2.9K | 1203 | 688 |
| 59 | Education | 40 | 2.8K | 956 | 360 |
| 60 | Green Chemistry | 67 | 2.8K | 209 | 267 |
| 61 | Cognitive neuroscience | 26 | 2.8K | 273 | 198 |
| 62 | Pathology | 70 | 2.8K | 378 | 408 |
| 63 | Environmental Health | 64 | 2.6K | 1038 | 1026 |
| 64 | Organic Chemistry | 58 | 2.6K | 732 | 497 |
| 65 | Chemical Engineering | 93 | 2.6K | 836 | 1034 |
| 66 | Polymers | 70 | 2.6K | 1065 | 858 |
| 67 | Bioengineering | 56 | 2.6K | 920 | 987 |
| 68 | environmental issues | 7 | 2.5K | 193 | 10 |
| 69 | Economics | 160 | 2.5K | 455 | 596 |
| 70 | atmospheric models | 52 | 2.5K | 101 | 114 |
| 71 | Cancer | 36 | 2.4K | 1085 | 831 |
| 72 | Neuropsychology | 63 | 2.4K | 376 | 350 |
| 73 | Nanotechnology | 61 | 2.4K | 1241 | 1221 |
| 74 | Behavior | 32 | 2.4K | 857 | 645 |
| 75 | Animal Behavior | 37 | 2.4K | 464 | 370 |
| 76 | Geochemistry | 29 | 2.3K | 670 | 442 |
| 77 | Diet | 14 | 2.3K | 931 | 419 |
| 78 | Lipid metabolism | 53 | 2.3K | 5 | 13 |
| 78 | Lipid | 53 | 2.3K | 5 | 13 |
| 80 | Botany | 53 | 2.3K | 1016 | 942 |
| 81 | Metabolism | 44 | 2.2K | 672 | 702 |
| 82 | Sports Medicine | 32 | 2.2K | 691 | 380 |
| 83 | Crystallography | 27 | 2.1K | 502 | 117 |
| 84 | Africa | 17 | 2.1K | 524 | 47 |
| 85 | Middle East | 15 | 2.0K | 299 | 11 |
| 86 | Immunology | 43 | 2.0K | 1037 | 1056 |
| 87 | Obstetrics | 53 | 2.0K | 426 | 347 |
| 88 | Nervous system | 24 | 1.9K | 767 | 539 |
| 89 | Human genetics | 16 | 1.9K | 1020 | 1221 |
| 90 | Ethology | 21 | 1.9K | 504 | 363 |
| 91 | Hematology | 14 | 1.8K | 1451 | 790 |
| 92 | Clinical Chemistry | 48 | 1.8K | 642 | 619 |
| 93 | Pollution | 59 | 1.8K | 1242 | 1635 |
| 94 | Environmental Policy | 46 | 1.8K | 601 | 740 |
| 95 | Psychiatry | 38 | 1.7K | 1191 | 1083 |
| 96 | human behavior | 19 | 1.7K | 838 | 639 |
| 97 | Public Health | 54 | 1.7K | 1132 | 1172 |
| 98 | Analytical Chemistry | 82 | 1.7K | 896 | 1130 |
| 99 | Toxicology | 38 | 1.6K | 1367 | 1158 |
| 100 | enzymes | 32 | 1.6K | 313 | 214 |
| 101 | Mathematics | 149 | 1.6K | 993 | 1051 |
| 102 | Pharmaceutical Chemistry | 63 | 1.6K | 827 | 982 |
| 103 | Cognitive Science | 28 | 1.6K | 327 | 297 |
| 104 | Planets | 42 | 1.6K | 454 | 498 |
| 105 | Industrial Microbiology | 21 | 1.6K | 569 | 389 |
| 106 | United Kingdom | 36 | 1.5K | 351 | 362 |
| 107 | Asia | 13 | 1.5K | 1260 | 187 |
| 108 | Diabetes | 34 | 1.5K | 553 | 623 |
| 109 | Condensed Matter | 44 | 1.5K | 1134 | 966 |
| 110 | Diabetes mellitus | 32 | 1.4K | 525 | 595 |
| 111 | Sports | 27 | 1.4K | 630 | 380 |
| 112 | Medical genetics | 19 | 1.4K | 1164 | 1029 |
| 113 | Social Psychology | 34 | 1.4K | 522 | 504 |
| 114 | Histology | 40 | 1.4K | 382 | 413 |
| 115 | Solid State Physics | 42 | 1.4K | 1271 | 1034 |
| 116 | Membranes | 19 | 1.4K | 674 | 478 |
| 117 | bees | 44 | 1.4K | 31 | 37 |
| 118 | polymerization | 45 | 1.3K | 1149 | 1032 |
| 119 | Biogeochemistry | 15 | 1.3K | 459 | 345 |
| 120 | Pharmacognosy | 30 | 1.3K | 427 | 363 |
| 121 | Endocrinology | 28 | 1.3K | 997 | 988 |
| 122 | Molecular Genetics | 35 | 1.3K | 436 | 543 |
| 123 | Mycology | 19 | 1.2K | 572 | 352 |
| 124 | exobiology | 14 | 1.2K | 86 | 49 |
| 125 | Organic Geochemistry | 3 | 1.2K | 382 | 74 |
| 125 | Cosmochemistry | 3 | 1.2K | 925 | 168 |
| 127 | Fungi | 15 | 1.2K | 412 | 258 |
| 128 | Hydrology | 16 | 1.2K | 1113 | 607 |
| 129 | biological evolution | 49 | 1.2K | 422 | 721 |
| 130 | brain mapping | 13 | 1.2K | 266 | 169 |
| 131 | Molecular structure | 40 | 1.1K | 454 | 579 |
| 132 | Aging | 26 | 1.1K | 930 | 716 |
| 133 | Neurobiology | 15 | 1.1K | 784 | 671 |
| 134 | Medical Laboratory Science | 21 | 1.1K | 756 | 674 |
| 135 | Microbial Ecology | 17 | 1.1K | 928 | 874 |
| 136 | Sustainable Engineering | 33 | 1.1K | 326 | 420 |
| 137 | Biomass Energy | 18 | 1.1K | 990 | 843 |
| 137 | Child Development | 21 | 1.1K | 656 | 513 |
| 139 | Water | 12 | 1.1K | 1246 | 922 |
| 140 | Sociology | 64 | 1.1K | 465 | 643 |
| 141 | Cognition | 46 | 1.1K | 353 | 470 |
| 142 | Biocompatible Materials | 23 | 1.0K | 1497 | 1506 |
| 143 | nuclear magnetic resonance | 24 | 1.0K | 345 | 231 |
| 144 | Atmospheric Physics | 34 | 1.0K | 425 | 512 |
| 145 | Paleoecology | 29 | 1.0K | 260 | 258 |
| 146 | Corporate Social Responsibility | 8 | 1.0K | 62 | 16 |
| 146 | environmental auditing | 8 | 1.0K | 64 | 16 |
| 148 | Biochemical Engineering | 18 | 1.0K | 1410 | 1544 |
| 149 | Chemical processes | 38 | 1.0K | 50 | 47 |
| 150 | Medicinal plants | 15 | 999 | 494 | 319 |
| 151 | Paleoclimatology | 25 | 998 | 318 | 311 |
| 152 | Reproduction | 27 | 991 | 702 | 618 |
| 153 | Europe | 98 | 989 | 356 | 683 |
| 154 | Magnetic Resonance Spectroscopy | 17 | 985 | 473 | 243 |
| 155 | Pediatric Neurology | 4 | 982 | 826 | 453 |
| 156 | Immunotherapy | 6 | 973 | 1390 | 649 |
| 157 | Epidemiology | 39 | 971 | 929 | 1044 |
| 158 | environmental pollution | 30 | 967 | 1472 | 1679 |
| 159 | Paleogeography | 23 | 943 | 261 | 246 |
| 160 | Physical Chemistry | 19 | 911 | 903 | 744 |
| 161 | Energy Policy | 25 | 900 | 798 | 981 |
| 162 | Environmental Microbiology | 11 | 897 | 663 | 495 |
| 163 | Mineralogy | 30 | 874 | 412 | 410 |
| 164 | Bacterial infections | 16 | 861 | 233 | 335 |
| 165 | Chromatographic analysis | 21 | 858 | 632 | 318 |
| 166 | energy resources | 20 | 849 | 368 | 550 |
| 167 | Developmental Biology | 9 | 846 | 1113 | 835 |
| 168 | space environment | 23 | 844 | 37 | 28 |
| 169 | Petrology | 31 | 842 | 286 | 358 |
| 170 | plant molecular biology | 12 | 834 | 747 | 716 |
| 171 | preventive medicine | 9 | 831 | 656 | 351 |
| 172 | United States | 34 | 817 | 1401 | 1429 |
| 173 | Parasitic Diseases | 19 | 814 | 766 | 601 |
| 174 | Plant physiology | 14 | 812 | 1003 | 873 |
| 175 | Chromatography | 17 | 809 | 604 | 290 |
| 176 | Economic History | 54 | 807 | 684 | 719 |
| 177 | Creativity | 14 | 803 | 26 | 15 |
| 178 | plant communities | 14 | 798 | 483 | 451 |
| 179 | Soft Condensed Matter | 14 | 794 | 478 | 307 |
| 179 | biopolymers | 14 | 794 | 520 | 342 |
| 181 | Medical Microbiology | 17 | 789 | 957 | 989 |
| 182 | Neonatology | 9 | 788 | 247 | 84 |
| 183 | Water pollution | 4 | 779 | 2403 | 1086 |
| 184 | biological factors | 54 | 777 | 205 | 510 |
| 185 | Parasitology | 15 | 765 | 1116 | 692 |
| 185 | Proteome | 22 | 765 | 316 | 428 |
| 187 | Child | 29 | 756 | 658 | 643 |
| 188 | Urology | 15 | 755 | 779 | 588 |
| 189 | Population Genetics | 24 | 751 | 367 | 494 |
| 190 | Antioxidants | 12 | 748 | 271 | 295 |
| 191 | Liver diseases | 21 | 747 | 517 | 730 |
| 192 | Health | 23 | 734 | 642 | 586 |
| 193 | Plant Ecology | 15 | 730 | 769 | 719 |
| 193 | Educational Psychology | 23 | 730 | 444 | 430 |
| 193 | Molecular ecology | 23 | 730 | 335 | 519 |
| 196 | Medical innovations | 6 | 718 | 653 | 588 |
| 197 | Music | 29 | 710 | 141 | 105 |
| 198 | Nanostructured Materials | 44 | 709 | 916 | 1303 |
| 199 | Perception | 35 | 707 | 462 | 613 |
| 200 | Bacteria | 11 | 702 | 107 | 114 |
| 201 | Visual Perception | 37 | 692 | 373 | 524 |
| 202 | Climate Change Mitigation | 1 | 688 | 96 | 9 |
| 202 | Materials | 24 | 688 | 2554 | 2517 |
| 202 | Global warming | 1 | 688 | 310 | 9 |
| 202 | sea level | 1 | 688 | 96 | 9 |
| 206 | Geography | 26 | 681 | 697 | 689 |
| 207 | natural products | 22 | 680 | 530 | 439 |
| 208 | Numerical Analysis | 39 | 678 | 535 | 563 |
| 209 | Child psychology | 11 | 675 | 692 | 592 |
| 210 | Public Policy | 13 | 673 | 726 | 487 |
| 211 | Sustainable Development | 15 | 672 | 730 | 636 |
| 212 | Social Sciences | 43 | 671 | 776 | 743 |
| 212 | drug development | 2 | 671 | 1371 | 560 |
| 214 | Biopharmaceutics | 20 | 666 | 312 | 332 |
| 215 | Crystallization | 7 | 664 | 330 | 68 |
| 216 | Chemical structure | 3 | 655 | 528 | 28 |
| 217 | Attention | 31 | 651 | 433 | 573 |
| 218 | Environmental Engineering | 22 | 648 | 1443 | 1570 |
| 219 | Control Theory | 27 | 647 | 532 | 486 |
| 220 | Health Policy | 13 | 645 | 994 | 682 |
| 221 | Evolution | 29 | 641 | 541 | 804 |
| 222 | Paleontology | 33 | 638 | 354 | 372 |
| 223 | Calculus of Variations | 22 | 634 | 76 | 40 |
| 224 | Genomics | 14 | 632 | 1559 | 1306 |
| 224 | drugs | 24 | 632 | 628 | 665 |
| 226 | Biodiversity conservation | 9 | 624 | 957 | 970 |
| 227 | Cytogenetics | 6 | 614 | 1091 | 760 |
| 228 | Memory | 28 | 613 | 511 | 681 |
| 229 | Environmental Toxicology | 15 | 608 | 985 | 1021 |
| 230 | Genetic engineering | 5 | 607 | 1812 | 954 |
| 231 | Zoology | 32 | 603 | 754 | 771 |
| 231 | Phylogeny | 18 | 603 | 256 | 341 |
| 233 | Biodiversity | 29 | 602 | 588 | 886 |
| 234 | Marine Biology | 33 | 592 | 760 | 1043 |
| 234 | Plant cells | 5 | 592 | 863 | 768 |
| 236 | cell physiology | 5 | 589 | 1212 | 771 |
| 236 | Recycling | 9 | 589 | 233 | 265 |
| 238 | nanoscience | 20 | 580 | 1218 | 1403 |
| 238 | Oxidation-reduction | 8 | 580 | 442 | 459 |
| 240 | Physical organic chemistry | 18 | 574 | 522 | 402 |
| 241 | Molecular evolution | 14 | 572 | 616 | 654 |
| 242 | Geomorphology | 21 | 570 | 441 | 585 |
| 242 | nuclear magnetic resonance spectroscopy | 11 | 570 | 342 | 163 |
| 244 | Food | 19 | 568 | 1201 | 1313 |
| 245 | Plants | 16 | 559 | 916 | 965 |
| 246 | Cardiovascular system | 19 | 554 | 581 | 959 |
| 247 | Proteomics | 7 | 553 | 713 | 438 |
| 248 | Social behavior | 17 | 552 | 407 | 433 |
| 249 | Operations Research | 54 | 551 | 393 | 796 |
| 250 | Signal Transduction | 7 | 547 | 940 | 721 |
| 250 | Psychopharmacology | 4 | 547 | 1281 | 738 |
| 252 | Geodynamics | 17 | 543 | 354 | 383 |
| 253 | Particle Physics | 9 | 530 | 442 | 157 |
| 254 | Yeast | 12 | 527 | 135 | 135 |
| 255 | Bacteriology | 9 | 526 | 1101 | 1007 |
| 256 | Electrophoresis | 15 | 525 | 667 | 573 |
| 257 | Renewable Energy Sources | 7 | 522 | 1833 | 1638 |
| 258 | Adolescent | 17 | 517 | 754 | 684 |
| 259 | cryosphere | 15 | 514 | 151 | 172 |
| 260 | Artificial Intelligence | 16 | 513 | 1788 | 1619 |
| 261 | soil microbiology | 8 | 506 | 875 | 860 |
| 262 | Microorganisms | 8 | 501 | 594 | 545 |
| 263 | sustainability | 9 | 498 | 381 | 382 |
| 264 | Analytical Biochemistry | 9 | 496 | 1005 | 621 |
| 265 | Pediatrics | 15 | 489 | 1017 | 1171 |
| 265 | Genetic disorders | 14 | 489 | 184 | 165 |
| 265 | scientific societies | 14 | 489 | 256 | 220 |
| 268 | Engineering | 29 | 482 | 1458 | 1526 |
| 269 | Philosophy | 67 | 478 | 293 | 285 |
| 270 | Atmospheric Chemistry | 14 | 475 | 442 | 572 |
| 270 | Microelectronics | 10 | 475 | 1069 | 902 |
| 270 | miniaturization | 10 | 475 | 1038 | 1021 |
| 273 | Elementary particles | 4 | 466 | 124 | 94 |
| 274 | Reading | 8 | 465 | 309 | 165 |
| 275 | Medical Oncology | 4 | 463 | 1507 | 919 |
| 275 | natural disasters | 17 | 463 | 372 | 463 |
| 277 | Photonics | 14 | 460 | 986 | 988 |
| 278 | Economic Development | 9 | 457 | 895 | 750 |
| 279 | management | 25 | 453 | 1176 | 1548 |
| 280 | Geopolitics | 10 | 444 | 71 | 23 |
| 280 | Radiobiology | 3 | 444 | 1405 | 661 |
| 282 | Meteorites | 8 | 440 | 586 | 591 |
| 283 | Immunity | 9 | 439 | 1103 | 1413 |
| 284 | gene mapping | 13 | 438 | 915 | 1130 |
| 285 | internet | 4 | 435 | 1382 | 611 |
| 286 | Chromosome mapping | 12 | 431 | 860 | 961 |
| 287 | Trace elements | 14 | 425 | 41 | 71 |
| 288 | Biomechanics | 9 | 421 | 767 | 577 |
| 288 | Herbal medicine | 10 | 421 | 232 | 245 |
| 290 | Geriatrics | 20 | 417 | 1103 | 1213 |
| 291 | Gene expression regulation | 3 | 413 | 1005 | 499 |
| 292 | Developmental Genetics | 2 | 412 | 624 | 429 |
| 292 | health services accessibility | 2 | 412 | 1126 | 304 |
| 292 | Genetic regulation | 2 | 412 | 1414 | 695 |
| 292 | viral genetics | 2 | 412 | 372 | 336 |
| 296 | mathematical analysis | 33 | 399 | 809 | 795 |
| 297 | Environmental Psychology | 4 | 396 | 271 | 195 |
| 297 | Mental Disorders | 7 | 396 | 2006 | 1632 |
| 299 | Synaptic Transmission | 4 | 391 | 405 | 186 |
| 300 | vitamin C | 9 | 390 | 122 | 150 |
| 300 | vitamin E | 9 | 390 | 122 | 150 |
| 302 | Cerebral cortex | 11 | 386 | 457 | 521 |
| 303 | Physical fitness | 12 | 380 | 475 | 454 |
| 304 | Health promotion | 4 | 377 | 1212 | 589 |
| 305 | Chromosomes | 4 | 375 | 871 | 496 |
| 306 | Agricultural Chemistry | 7 | 374 | 1617 | 1182 |
| 306 | Animal ecology | 12 | 374 | 557 | 548 |
| 308 | drug therapy | 11 | 373 | 1167 | 1146 |
| 309 | Comparative Physiology | 10 | 370 | 385 | 368 |
| 310 | Human-Computer Interaction | 9 | 368 | 864 | 640 |
| 311 | Mathematical Physics | 18 | 367 | 1329 | 1123 |
| 312 | Pediatric Dermatology | 6 | 355 | 253 | 88 |
| 312 | Obesity | 15 | 355 | 817 | 1166 |
| 314 | marketing | 8 | 352 | 1146 | 941 |
| 315 | Thrombosis | 15 | 345 | 404 | 530 |
| 315 | Environmental monitoring | 22 | 345 | 1439 | 2375 |
| 317 | Cosmology | 16 | 344 | 580 | 463 |
| 318 | System analysis | 16 | 342 | 1054 | 1076 |
| 319 | Systems Biology | 10 | 339 | 777 | 698 |
| 319 | Respiration | 3 | 339 | 1456 | 787 |
| 321 | Molecular Microbiology | 12 | 335 | 401 | 630 |
| 322 | Orthopedics | 7 | 332 | 1064 | 758 |
| 323 | sanitation | 13 | 331 | 734 | 1249 |
| 324 | Microscopy | 12 | 330 | 724 | 559 |
| 325 | Musicology | 18 | 327 | 31 | 25 |
| 326 | Food Microbiology | 11 | 326 | 575 | 818 |
| 327 | Sleep Disorders | 4 | 324 | 1420 | 800 |
| 327 | Sleep | 4 | 324 | 1413 | 805 |
| 327 | Pregnancy | 9 | 324 | 398 | 323 |
| 330 | Teaching | 11 | 317 | 813 | 655 |
| 330 | China | 9 | 317 | 1752 | 1309 |
| 332 | Jurisprudence | 20 | 316 | 290 | 332 |
| 333 | Chemical analysis | 9 | 315 | 634 | 560 |
| 333 | finance | 12 | 315 | 1153 | 1002 |
| 335 | emergency management | 12 | 310 | 265 | 300 |
| 336 | Drug design | 15 | 307 | 646 | 922 |
| 337 | environmental protection | 12 | 306 | 1781 | 2113 |
| 338 | rehabilitation | 5 | 305 | 1772 | 1164 |
| 339 | Systems Engineering | 4 | 301 | 2042 | 996 |
| 339 | Statistical physics | 19 | 301 | 1691 | 1821 |
| 341 | Computer Science | 10 | 300 | 1171 | 706 |
| 342 | Combinatorial optimization | 8 | 298 | 201 | 46 |
| 343 | food technology | 10 | 297 | 1396 | 1484 |
| 343 | Social Change | 7 | 297 | 557 | 674 |
| 343 | concrete | 5 | 297 | 792 | 673 |
| 343 | Cement | 5 | 297 | 448 | 446 |
| 347 | Molecular Pharmacology | 11 | 293 | 319 | 504 |
| 348 | Oxidative stress | 10 | 291 | 562 | 832 |
| 349 | Plant Genetics | 5 | 283 | 516 | 511 |
| 350 | Consciousness | 10 | 282 | 176 | 207 |
| 351 | animals | 19 | 277 | 383 | 482 |
| 352 | Medical Physics | 10 | 276 | 948 | 991 |
| 353 | Land use | 7 | 275 | 689 | 604 |
| 353 | Radio wave propagation | 7 | 275 | 557 | 281 |
| 353 | energy development | 1 | 275 | 1676 | 543 |
| 356 | Input-output analysis | 21 | 273 | 21 | 101 |
| 356 | proteins | 17 | 273 | 891 | 1213 |
| 358 | Bioinorganic chemistry | 16 | 272 | 570 | 759 |
| 358 | Flow chemistry | 10 | 272 | 4 | 2 |
| 360 | Image Processing | 6 | 267 | 1636 | 1336 |
| 360 | Nonlinear functional analysis | 12 | 267 | 509 | 464 |
| 362 | Tropical Medicine | 7 | 266 | 1239 | 841 |
| 363 | water supply | 5 | 262 | 689 | 618 |
| 364 | Heterocyclic compounds | 11 | 261 | 454 | 246 |
| 365 | Biogeography | 6 | 260 | 660 | 811 |
| 365 | Business | 16 | 260 | 887 | 1346 |
| 367 | Econometrics | 20 | 259 | 464 | 659 |
| 367 | Solid State Chemistry | 16 | 259 | 1152 | 1306 |
| 369 | Microbial Biotechnology | 6 | 258 | 607 | 478 |
| 370 | nucleic acids | 9 | 256 | 1052 | 1390 |
| 371 | Genetic translocation | 7 | 254 | 68 | 73 |
| 371 | Diagnostic microbiology | 6 | 254 | 912 | 1152 |
| 371 | histological techniques | 6 | 254 | 464 | 492 |
| 371 | plasmids | 7 | 254 | 68 | 73 |
| 375 | Australia | 9 | 251 | 1001 | 789 |
| 376 | Pharmacy | 17 | 249 | 819 | 1246 |
| 377 | Exercise | 14 | 248 | 555 | 641 |
| 378 | Transportation | 5 | 247 | 1242 | 941 |
| 379 | Materials Science | 18 | 245 | 2202 | 2880 |
| 380 | Cybernetics | 5 | 244 | 1251 | 974 |
| 380 | mutation | 3 | 244 | 638 | 435 |
| 382 | behavioral medicine | 9 | 243 | 644 | 920 |
| 382 | Information Science | 11 | 243 | 1284 | 1487 |
| 384 | Host-parasite interactions | 3 | 242 | 1213 | 1173 |
| 385 | Pharmacogenetics | 10 | 241 | 464 | 659 |
| 386 | Radiography | 4 | 240 | 674 | 657 |
| 386 | Electrochemistry | 11 | 240 | 2182 | 2142 |
| 388 | Climate change | 1 | 239 | 1642 | 1212 |
| 388 | Eutrophication | 1 | 239 | 1502 | 1200 |
| 390 | Natural resources | 12 | 237 | 307 | 447 |
| 391 | Environmental Geology | 5 | 236 | 1325 | 1048 |
| 392 | Evidence-Based Medicine | 9 | 233 | 628 | 577 |
| 393 | Heart Failure | 2 | 232 | 489 | 307 |
| 394 | Computational Chemistry | 4 | 228 | 585 | 410 |
| 395 | pain | 4 | 227 | 1159 | 921 |
| 396 | auditory perception | 10 | 226 | 186 | 283 |
| 397 | Chemotherapy | 4 | 222 | 1179 | 891 |
| 397 | Systems Analysis | 8 | 222 | 621 | 513 |
| 399 | Hemostasis | 12 | 220 | 293 | 370 |
| 399 | Animal | 11 | 220 | 30 | 40 |
| 399 | econometric models | 3 | 220 | 593 | 287 |
| 402 | Hydrometeorology | 5 | 218 | 148 | 199 |
| 402 | Investment analysis | 4 | 218 | 645 | 384 |
| 402 | Mites | 26 | 218 | 73 | 140 |
| 405 | Educational Technology | 12 | 217 | 665 | 817 |
| 405 | Quality of life | 5 | 217 | 1143 | 1020 |
| 407 | Political Economy | 11 | 215 | 21 | 14 |
| 408 | Functional Analysis | 11 | 213 | 685 | 610 |
| 408 | individual differences | 9 | 213 | 92 | 185 |
| 408 | Immune system | 4 | 213 | 887 | 1085 |
| 411 | Metallurgy | 10 | 212 | 1359 | 1389 |
| 412 | mycoses | 6 | 209 | 537 | 782 |
| 413 | Immunopathology | 2 | 205 | 1511 | 941 |
| 413 | Organometallic compounds | 10 | 205 | 693 | 749 |
| 413 | Groundwater | 7 | 205 | 421 | 361 |
| 413 | software | 1 | 205 | 1763 | 761 |
| 417 | Clinical Psychology | 1 | 204 | 2047 | 1095 |
| 418 | Computer Vision | 4 | 203 | 991 | 862 |
| 419 | Electronics | 8 | 202 | 2444 | 2158 |
| 420 | Diagnostic Imaging | 6 | 201 | 1531 | 1286 |
| 421 | Anatomy | 9 | 200 | 1127 | 1274 |
| 422 | Algebra | 25 | 198 | 501 | 511 |
| 422 | Organometallic chemistry | 13 | 198 | 920 | 1032 |
| 424 | Bryology | 10 | 196 | 81 | 76 |
| 424 | Medical Anthropology | 8 | 196 | 688 | 1056 |
| 426 | Alternative Medicine | 9 | 195 | 1037 | 1168 |
| 426 | complementary therapies | 9 | 195 | 1075 | 1196 |
| 428 | forest policy | 7 | 194 | 179 | 177 |
| 429 | Art | 1 | 191 | 757 | 13 |
| 430 | Eastern Europe | 16 | 190 | 250 | 231 |
| 431 | Histochemistry | 9 | 188 | 595 | 648 |
| 431 | mammals | 2 | 188 | 1272 | 568 |
| 433 | Humanities | 9 | 184 | 998 | 549 |
| 434 | Translation | 14 | 182 | 20 | 16 |
| 435 | Quantum electronics | 4 | 181 | 1530 | 959 |
| 435 | families | 13 | 181 | 325 | 392 |
| 435 | Germany | 22 | 181 | 108 | 127 |
| 438 | Hydrogeology | 7 | 180 | 463 | 451 |
| 438 | Data Mining | 6 | 180 | 1077 | 1224 |
| 438 | Clinical Immunology | 1 | 180 | 1974 | 924 |
| 441 | Linguistics | 21 | 179 | 504 | 667 |
| 442 | Clinical Pharmacology | 6 | 176 | 1035 | 982 |
| 443 | Light | 3 | 175 | 936 | 926 |
| 444 | Statistics | 11 | 174 | 1475 | 1464 |
| 445 | data collection | 5 | 172 | 755 | 889 |
| 446 | DNA | 3 | 171 | 632 | 329 |
| 447 | world | 4 | 170 | 587 | 704 |
| 448 | Risk Management | 6 | 168 | 432 | 423 |
| 448 | Differential Equations | 5 | 168 | 764 | 498 |
| 450 | Bioenergetics | 2 | 166 | 1016 | 688 |
| 451 | Nanostructures | 8 | 162 | 1454 | 1746 |
| 452 | Embryology | 6 | 161 | 1091 | 1386 |
| 452 | Communication | 9 | 161 | 1183 | 1355 |
| 454 | energy conservation | 4 | 158 | 1836 | 1963 |
| 454 | Decision making | 10 | 158 | 709 | 967 |
| 456 | Virtual reality | 4 | 155 | 328 | 253 |
| 456 | Entomology | 7 | 155 | 1618 | 1370 |
| 458 | Inclusive Education | 6 | 154 | 76 | 88 |
| 458 | Integration | 6 | 154 | 72 | 87 |
| 458 | rivers | 2 | 154 | 372 | 195 |
| 461 | economic policy | 21 | 153 | 837 | 1255 |
| 462 | Environmental Law | 11 | 152 | 456 | 1268 |
| 462 | Agricultural Ecology | 2 | 152 | 1440 | 1113 |
| 464 | Artificial Organs | 6 | 151 | 443 | 345 |
| 464 | Metals | 4 | 151 | 1933 | 1590 |
| 466 | Leukemia | 3 | 148 | 1032 | 1015 |
| 467 | Optics | 14 | 146 | 2638 | 2754 |
| 467 | counseling | 5 | 146 | 960 | 838 |
| 467 | sports injuries | 6 | 146 | 346 | 290 |
| 470 | Environmental Chemistry | 11 | 141 | 1116 | 2054 |
| 470 | Library Science | 4 | 141 | 1044 | 365 |
| 470 | thinking | 3 | 141 | 239 | 166 |
| 473 | Plate Tectonics | 5 | 140 | 184 | 170 |
| 473 | Neurotransmitters | 5 | 140 | 345 | 339 |
| 473 | mosses | 5 | 140 | 83 | 52 |
| 473 | liverworts | 5 | 140 | 83 | 52 |
| 477 | Pediatric Hematology | 6 | 138 | 236 | 138 |
| 478 | Inflammation | 9 | 137 | 674 | 1256 |
| 479 | Political Science | 13 | 136 | 873 | 949 |
| 479 | Robotics | 3 | 136 | 1753 | 1305 |
| 479 | Learning | 7 | 136 | 809 | 996 |
| 482 | Cognitive Psychology | 10 | 134 | 149 | 236 |
| 483 | Ore deposits | 4 | 133 | 451 | 433 |
| 484 | Social Choice Theory | 10 | 132 | 68 | 102 |
| 484 | Developmental Psychology | 4 | 132 | 858 | 882 |
| 484 | Welfare Economics | 10 | 132 | 176 | 336 |
| 487 | Engineering Mathematics | 11 | 131 | 1404 | 1470 |
| 487 | atmosphere | 4 | 131 | 660 | 674 |
| 489 | mental processes | 6 | 130 | 208 | 198 |
| 490 | Information Technology | 8 | 129 | 1673 | 1843 |
| 490 | Online social networks | 5 | 129 | 157 | 173 |
| 492 | Environmental Economics | 7 | 128 | 183 | 276 |
| 493 | Organizational Behavior | 5 | 127 | 435 | 570 |
| 493 | Virulence | 2 | 127 | 1321 | 1409 |
| 495 | Plant diseases | 3 | 126 | 1935 | 1469 |
| 496 | Engineering Geology | 4 | 125 | 1283 | 1215 |
| 496 | vascular diseases | 3 | 125 | 700 | 714 |
| 496 | behavior therapy | 6 | 125 | 534 | 688 |
| 499 | Neuropsychiatry | 4 | 124 | 757 | 760 |
| 499 | Mass Spectrometry | 4 | 124 | 1064 | 945 |
| 499 | Cellulose | 5 | 124 | 407 | 560 |
| 502 | Ticks | 11 | 123 | 102 | 183 |
| 503 | Nanoparticles | 5 | 121 | 1512 | 1664 |
| 503 | Flood forecasting | 3 | 121 | 81 | 58 |
| 503 | Flood control | 3 | 121 | 237 | 110 |
| 506 | human development | 2 | 119 | 946 | 728 |
| 507 | Algorithms | 8 | 118 | 366 | 413 |
| 507 | organization | 4 | 118 | 650 | 719 |
| 509 | Surgery | 4 | 117 | 1603 | 1938 |
| 509 | Career development | 4 | 117 | 314 | 233 |
| 511 | Tourism | 3 | 114 | 1601 | 1471 |
| 511 | Wildlife conservation | 3 | 114 | 1195 | 1291 |
| 511 | mental health promotion | 3 | 114 | 151 | 148 |
| 514 | Transportation Engineering | 2 | 113 | 627 | 372 |
| 514 | Geodesy | 6 | 113 | 489 | 582 |
| 516 | Chronobiology | 4 | 112 | 392 | 376 |
| 516 | biological clocks | 4 | 112 | 392 | 376 |
| 516 | Antibacterial agents | 2 | 112 | 868 | 736 |
| 516 | circadian rhythm | 4 | 112 | 392 | 376 |
| 516 | innovation | 9 | 112 | 274 | 708 |
| 516 | biological rhythms | 4 | 112 | 364 | 366 |
| 516 | psychotherapy | 4 | 112 | 1115 | 1087 |
| 523 | Philosophy of Mind | 10 | 111 | 81 | 174 |
| 523 | Political Sociology | 7 | 111 | 261 | 352 |
| 525 | Intelligent Transportation Systems | 4 | 110 | 996 | 1067 |
| 525 | Pharmacokinetics | 5 | 110 | 694 | 873 |
| 525 | Human Resources | 2 | 110 | 569 | 500 |
| 528 | Psycholinguistics | 8 | 109 | 546 | 834 |
| 529 | Telecommunication | 3 | 107 | 2731 | 2132 |
| 530 | Business Ethics | 2 | 106 | 1097 | 1144 |
| 531 | industrial relations | 5 | 105 | 596 | 561 |
| 531 | viruses | 3 | 105 | 1456 | 1699 |
| 533 | Plant breeding | 3 | 104 | 858 | 754 |
| 533 | Biomass | 2 | 104 | 809 | 825 |
| 533 | Alzheimer's disease | 10 | 104 | 899 | 1060 |
| 536 | Morphology | 4 | 103 | 716 | 583 |
| 536 | drug evaluation | 7 | 103 | 876 | 1245 |
| 538 | Food Policy | 1 | 102 | 608 | 403 |
| 538 | Job satisfaction | 4 | 102 | 76 | 192 |
| 538 | agricultural policy | 1 | 102 | 441 | 337 |
| 538 | Knowledge | 11 | 102 | 205 | 266 |
| 538 | Therapeutics | 2 | 102 | 2096 | 1847 |
| 538 | Work | 4 | 102 | 278 | 264 |
| 538 | job stress | 4 | 102 | 76 | 192 |
| 538 | Agriculture | 1 | 102 | 3636 | 1961 |
| 546 | Phenomenology | 8 | 101 | 83 | 89 |
| 546 | freshwater biology | 5 | 101 | 709 | 836 |
| 546 | eugenics | 2 | 101 | 695 | 478 |
| 546 | Breeding | 2 | 101 | 1444 | 1146 |
| 550 | Petroleum Geology | 5 | 100 | 414 | 542 |
| 550 | Developmental Neurobiology | 3 | 100 | 529 | 440 |
| 552 | Biofeedback | 4 | 99 | 54 | 116 |
| 553 | Palynology | 7 | 98 | 105 | 155 |
| 553 | Infections | 6 | 98 | 781 | 1377 |
| 553 | Energy metabolism | 1 | 98 | 896 | 651 |
| 553 | infection | 6 | 98 | 1196 | 1730 |
| 553 | cell membrane | 1 | 98 | 856 | 643 |
| 558 | Wildlife management | 4 | 97 | 506 | 429 |
| 558 | Speech | 6 | 97 | 619 | 825 |
| 560 | Computer-Aided Design | 4 | 96 | 1072 | 1031 |
| 560 | Transport | 1 | 96 | 1011 | 656 |
| 560 | Nitric oxide | 4 | 96 | 169 | 307 |
| 563 | Medical Technology | 5 | 95 | 1427 | 1743 |
| 563 | Project Management | 1 | 95 | 493 | 439 |
| 563 | Food additives | 5 | 95 | 902 | 1298 |
| 563 | food contamination | 5 | 95 | 755 | 817 |
| 563 | radioactive waste | 1 | 95 | 1390 | 1235 |
| 563 | industrial waste | 1 | 95 | 1430 | 1239 |
| 563 | Hazardous waste | 1 | 95 | 1604 | 1296 |
| 570 | Manufacturing Processes | 8 | 94 | 1459 | 2044 |
| 570 | Religion | 8 | 94 | 553 | 331 |
| 572 | gene therapy | 3 | 93 | 1123 | 1298 |
| 572 | organizational effectiveness | 8 | 93 | 148 | 346 |
| 574 | Computational Biology | 10 | 92 | 1644 | 2769 |
| 574 | Simulation Methods | 2 | 92 | 1278 | 788 |
| 574 | income | 8 | 92 | 49 | 157 |
| 574 | Wealth | 8 | 92 | 49 | 157 |
| 574 | Genetic therapy | 2 | 92 | 1430 | 1368 |
| 579 | Research Design | 7 | 90 | 712 | 1205 |
| 579 | commerce | 12 | 90 | 698 | 1327 |
| 581 | Quantitative Research | 2 | 89 | 248 | 245 |
| 581 | Semigroups | 2 | 89 | 343 | 67 |
| 581 | hazard mitigation | 5 | 89 | 662 | 949 |
| 581 | Information society | 1 | 89 | 351 | 111 |
| 585 | Ethics | 14 | 87 | 328 | 691 |
| 585 | Plant Taxonomy | 2 | 87 | 529 | 373 |
| 585 | Nanobiotechnology | 1 | 87 | 815 | 695 |
| 585 | Phytotherapy | 3 | 87 | 904 | 927 |
| 585 | ecotourism | 3 | 87 | 220 | 249 |
| 585 | Muscles | 3 | 87 | 855 | 1016 |
| 585 | health planning | 6 | 87 | 1538 | 1893 |
| 592 | Electrochemical Analysis | 3 | 86 | 1526 | 1444 |
| 593 | Sedimentology | 3 | 84 | 627 | 649 |
| 593 | Antigens | 4 | 84 | 772 | 908 |
| 595 | Game Theory | 11 | 83 | 241 | 437 |
| 595 | Psychometrics | 9 | 83 | 231 | 425 |
| 597 | Developmental Disabilities | 4 | 82 | 813 | 1127 |
| 597 | Atomic spectroscopy | 3 | 82 | 1167 | 1029 |
| 597 | language | 6 | 82 | 567 | 838 |
| 600 | Chemical Ecology | 13 | 81 | 180 | 650 |
| 600 | Critical Care | 2 | 81 | 1851 | 2010 |
| 600 | Psychoneuroimmunology | 1 | 81 | 999 | 919 |
| 600 | Critical Care Medicine | 2 | 81 | 1660 | 1933 |
| 600 | Conservation Biology | 4 | 81 | 1006 | 1327 |
| 600 | Neuroimmunology | 1 | 81 | 1093 | 990 |
| 600 | Socialization | 3 | 81 | 502 | 639 |
| 600 | role | 3 | 81 | 408 | 545 |
| 600 | Culture | 6 | 81 | 762 | 699 |
| 609 | Marine Geology | 3 | 80 | 630 | 625 |
| 609 | Biogeochemical cycles | 1 | 80 | 682 | 699 |
| 609 | Radiation | 4 | 80 | 1924 | 1883 |
| 609 | Infertility | 9 | 80 | 499 | 1174 |
| 609 | Gerontology | 15 | 80 | 839 | 1610 |
| 609 | Optical materials | 3 | 80 | 2471 | 2682 |
| 609 | fertility | 9 | 80 | 546 | 1229 |
| 609 | Emotions | 5 | 80 | 424 | 698 |
| 617 | Yugoslavia | 8 | 79 | 43 | 20 |
| 618 | Health Services Administration | 1 | 78 | 1965 | 1069 |
| 618 | Andrology | 1 | 78 | 1112 | 686 |
| 618 | Androgens | 1 | 78 | 429 | 321 |
| 618 | health services | 1 | 78 | 1880 | 1034 |
| 622 | Signal Processing | 2 | 77 | 2878 | 2514 |
| 622 | Origin of life | 2 | 77 | 182 | 140 |
| 622 | Organelle biogenesis | 2 | 77 | 271 | 218 |
| 622 | Catalysts | 1 | 77 | 1142 | 682 |
| 626 | Regional Planning | 8 | 76 | 937 | 1378 |
| 626 | Hypertension | 3 | 76 | 1545 | 2068 |
| 626 | Microbial Genetics | 1 | 76 | 642 | 413 |
| 626 | phytopathogenic bacteria | 1 | 76 | 455 | 386 |
| 626 | Fertilizers | 2 | 76 | 431 | 414 |
| 626 | Fuzzy systems | 2 | 76 | 2053 | 1269 |
| 626 | international cooperation | 3 | 76 | 585 | 660 |
| 633 | Anthropology | 5 | 74 | 1209 | 1241 |
| 633 | Language Disorders | 4 | 74 | 710 | 733 |
| 633 | Adult Education | 3 | 74 | 580 | 391 |
| 636 | actuators | 2 | 73 | 2479 | 2481 |
| 636 | visualization | 9 | 73 | 857 | 957 |
| 636 | transducers | 2 | 73 | 2479 | 2481 |
| 639 | Public Administration | 2 | 72 | 1686 | 1059 |
| 639 | X-ray crystallography | 9 | 72 | 330 | 497 |
| 639 | Developing countries | 5 | 72 | 1827 | 2362 |
| 642 | Industrial Policy | 4 | 71 | 402 | 524 |
| 642 | Speech Disorders | 3 | 71 | 931 | 943 |
| 642 | War and Society | 3 | 71 | 191 | 288 |
| 642 | warfare | 2 | 71 | 363 | 378 |
| 642 | peace | 2 | 71 | 584 | 490 |
| 642 | environmental exposure | 7 | 71 | 1218 | 2314 |
| 648 | Plant genetic engineering | 2 | 70 | 1140 | 1206 |
| 648 | Ecosystem management | 3 | 70 | 694 | 787 |
| 648 | adolescence | 3 | 70 | 862 | 951 |
| 648 | ecosystem | 3 | 70 | 1305 | 1698 |
| 648 | cycles | 2 | 70 | 211 | 64 |
| 653 | Cellular senescence | 5 | 69 | 560 | 1203 |
| 653 | Cognitive Learning | 6 | 69 | 39 | 103 |
| 655 | bioclimatology | 5 | 68 | 651 | 1030 |
| 655 | Drug delivery systems | 5 | 68 | 1177 | 1979 |
| 655 | risk factors | 3 | 68 | 697 | 824 |
| 655 | Cardiovascular diseases | 4 | 68 | 1436 | 1685 |
| 659 | Immunogenetics | 3 | 67 | 717 | 806 |
| 660 | Multivariate Analysis | 1 | 66 | 803 | 471 |
| 660 | Molecular cloning | 1 | 66 | 2371 | 1695 |
| 660 | Genetic recombination | 1 | 66 | 2318 | 1679 |
| 660 | Atherosclerosis | 1 | 66 | 302 | 247 |
| 660 | Structural Equation Modeling | 1 | 66 | 207 | 157 |
| 660 | Gaia hypothesis | 2 | 66 | 8 | 8 |
| 660 | Youth | 2 | 66 | 798 | 784 |
| 660 | Recombinant DNA | 1 | 66 | 2467 | 1775 |
| 668 | Oncology | 3 | 65 | 2365 | 3294 |
| 668 | Corporate governance | 6 | 65 | 304 | 733 |
| 668 | Product life cycle | 4 | 65 | 238 | 471 |
| 671 | Pediatric Endocrinology | 6 | 64 | 180 | 224 |
| 671 | Organizational Sociology | 2 | 64 | 449 | 368 |
| 671 | Ethnobotany | 2 | 64 | 276 | 331 |
| 671 | Respiratory system | 1 | 64 | 1009 | 801 |
| 671 | Traditional medicine | 2 | 64 | 371 | 379 |
| 671 | Group decision making | 4 | 64 | 381 | 495 |
| 671 | ethnobiology | 2 | 64 | 324 | 372 |
| 671 | Hormones | 2 | 64 | 1549 | 1591 |
| 671 | Outdoor recreation | 2 | 64 | 93 | 88 |
| 671 | Enzyme | 1 | 64 | 880 | 779 |
| 671 | Metabolic disorders in children | 6 | 64 | 144 | 179 |
| 671 | Population | 6 | 64 | 682 | 1135 |
| 671 | Stress | 2 | 64 | 347 | 348 |
| 671 | Ethnomedicine | 2 | 64 | 228 | 324 |
| 671 | Aquatic ecology | 3 | 64 | 968 | 999 |
| 686 | industrial hygiene | 3 | 63 | 1154 | 876 |
| 686 | Parasites | 4 | 63 | 1425 | 1725 |
| 686 | Protein engineering | 3 | 63 | 248 | 348 |
| 686 | molecular design | 3 | 63 | 277 | 347 |
| 690 | Automation | 1 | 62 | 3144 | 2434 |
| 690 | Production Engineering | 7 | 62 | 1329 | 1863 |
| 690 | Evolutionary economics | 7 | 62 | 64 | 181 |
| 690 | Travel | 3 | 62 | 860 | 824 |
| 690 | Parenteral nutrition | 2 | 62 | 1142 | 1305 |
| 690 | corporate culture | 5 | 62 | 81 | 253 |
| 690 | Landslides | 3 | 62 | 244 | 447 |
| 690 | Population Dynamics | 6 | 62 | 78 | 223 |
| 698 | Oncogenes | 1 | 61 | 1649 | 1846 |
| 698 | Enteral nutrition | 1 | 61 | 1278 | 1145 |
| 698 | protein | 2 | 61 | 1490 | 1431 |
| 701 | Municipal Engineering | 4 | 60 | 267 | 475 |
| 701 | Industrial Ecology | 3 | 60 | 166 | 309 |
| 701 | Waste management | 4 | 60 | 1336 | 1569 |
| 701 | Relationships | 2 | 60 | 192 | 234 |
| 701 | Chronic diseases | 2 | 60 | 763 | 915 |
| 706 | Physical Therapy | 3 | 59 | 1278 | 1553 |
| 706 | Crystal growth | 6 | 59 | 758 | 1221 |
| 706 | wood | 3 | 59 | 471 | 472 |
| 709 | Probability | 3 | 58 | 598 | 709 |
| 709 | Periglacial processes | 4 | 58 | 97 | 198 |
| 709 | Technology Assessment | 2 | 58 | 443 | 627 |
| 709 | Language planning | 2 | 58 | 211 | 97 |
| 709 | Biometrics | 3 | 58 | 1049 | 1098 |
| 709 | Permafrost | 4 | 58 | 97 | 198 |
| 709 | Frozen ground | 4 | 58 | 99 | 198 |
| 716 | Vocational Education | 2 | 57 | 595 | 473 |
| 716 | feeding behavior | 6 | 57 | 460 | 1004 |
| 716 | pheromones | 4 | 57 | 411 | 727 |
| 716 | biological agents | 8 | 57 | 336 | 249 |
| 720 | Computer Graphics | 3 | 56 | 1753 | 1860 |
| 720 | Product Design | 5 | 56 | 389 | 480 |
| 720 | Sustainable agriculture | 2 | 56 | 951 | 909 |
| 720 | Environmental risk assessment | 2 | 56 | 571 | 513 |
| 720 | starch | 4 | 56 | 273 | 396 |
| 720 | bryophytes | 5 | 56 | 56 | 94 |
| 720 | educational planning | 1 | 56 | 704 | 511 |
| 720 | Growth | 2 | 56 | 1339 | 1681 |
| 728 | Ophthalmology | 2 | 55 | 2031 | 2070 |
| 728 | Religion and Politics | 2 | 55 | 102 | 43 |
| 728 | Ideology | 2 | 55 | 93 | 46 |
| 728 | green products | 3 | 55 | 268 | 493 |
| 728 | mathematical concepts | 3 | 55 | 408 | 370 |
| 733 | Mitochondria | 1 | 54 | 516 | 456 |
| 733 | Hearing | 1 | 54 | 1027 | 697 |
| 735 | embryonic development | 1 | 53 | 736 | 596 |
| 735 | Genetic variation | 4 | 53 | 92 | 182 |
| 735 | insurance | 4 | 53 | 304 | 388 |
| 735 | Appetite | 4 | 53 | 508 | 936 |
| 739 | Nanochemistry | 3 | 52 | 1319 | 1499 |
| 739 | Experimental Psychology | 2 | 52 | 669 | 641 |
| 739 | Sarcopenia | 2 | 52 | 517 | 762 |
| 742 | Actuarial Science | 4 | 51 | 200 | 295 |
| 742 | Communication in politics | 7 | 51 | 99 | 212 |
| 742 | Dementia | 12 | 51 | 830 | 1267 |
| 742 | Development | 2 | 51 | 1007 | 1215 |
| 742 | Economic Assistance | 2 | 51 | 859 | 1094 |
| 747 | Oceanography | 2 | 50 | 2022 | 2023 |
| 747 | Rural Development | 1 | 50 | 1009 | 667 |
| 747 | preimplantation genetic diagnosis | 5 | 50 | 326 | 610 |
| 747 | embryo transfer | 5 | 50 | 341 | 626 |
| 747 | plant viruses | 1 | 50 | 396 | 323 |
| 747 | Parkinson's disease | 4 | 50 | 168 | 408 |
| 747 | Language spread | 1 | 50 | 33 | 4 |
| 754 | Special Education | 3 | 49 | 739 | 748 |
| 754 | Quality Control | 2 | 49 | 2327 | 2323 |
| 754 | Schizophrenia | 3 | 49 | 1015 | 1421 |
| 754 | Smart Materials | 2 | 49 | 1016 | 980 |
| 754 | Ultrasonics | 3 | 49 | 1233 | 1808 |
| 754 | Plastics | 6 | 49 | 1255 | 1897 |
| 754 | child behavior | 2 | 49 | 453 | 527 |
| 761 | Agronomy | 1 | 48 | 1040 | 922 |
| 761 | environmental indicators | 2 | 48 | 1366 | 1794 |
| 761 | Latin America | 5 | 48 | 1051 | 896 |
| 761 | curriculum evaluation | 6 | 48 | 186 | 422 |
| 761 | weather forecasting | 3 | 48 | 183 | 301 |
| 766 | Language Acquisition | 3 | 47 | 407 | 505 |
| 766 | Neurotoxicology | 2 | 47 | 722 | 951 |
| 766 | Learning disabilities | 5 | 47 | 591 | 924 |
| 766 | Antarctica | 4 | 47 | 417 | 560 |
| 766 | biomimicry | 4 | 47 | 114 | 242 |
| 766 | weather | 5 | 47 | 379 | 872 |
| 772 | Clinical Trials | 1 | 46 | 1056 | 693 |
| 772 | Clinical Laboratory Science | 3 | 46 | 230 | 279 |
| 772 | Health Education | 4 | 46 | 1591 | 2232 |
| 772 | Anxiety Disorders | 3 | 46 | 499 | 952 |
| 772 | Developmental Immunology | 2 | 46 | 1036 | 1213 |
| 772 | Personality Assessment | 2 | 46 | 638 | 806 |
| 772 | Textile industry | 1 | 46 | 916 | 482 |
| 779 | Experimental Design | 1 | 45 | 507 | 374 |
| 779 | Photochemistry | 2 | 45 | 2171 | 2268 |
| 779 | Multilingualism | 2 | 45 | 376 | 361 |
| 779 | Computational Complexity | 6 | 45 | 725 | 1100 |
| 779 | Auditing | 3 | 45 | 369 | 495 |
| 779 | Insects | 3 | 45 | 1513 | 1578 |
| 779 | Acarology | 4 | 45 | 227 | 395 |
| 779 | Acari | 4 | 45 | 223 | 394 |
| 779 | gastrointestinal tract | 2 | 45 | 438 | 747 |
| 788 | Ergonomics | 3 | 44 | 986 | 1140 |
| 788 | Risk | 3 | 44 | 544 | 807 |
| 788 | isomerism | 3 | 44 | 329 | 412 |
| 788 | School Improvement Programs | 2 | 44 | 34 | 38 |
| 788 | heredity | 2 | 44 | 856 | 872 |
| 788 | Chirality | 3 | 44 | 329 | 412 |
| 794 | Eating Disorders | 4 | 43 | 688 | 1121 |
| 794 | Sonochemistry | 2 | 43 | 750 | 1235 |
| 794 | Feeding and Eating Disorders | 4 | 43 | 659 | 1080 |
| 794 | drug addiction | 2 | 43 | 1273 | 1566 |
| 794 | alcoholism | 2 | 43 | 1676 | 1895 |
| 794 | RNA | 2 | 43 | 628 | 873 |
| 800 | Occupational Health | 2 | 42 | 1358 | 1245 |
| 800 | Environmental Ethics | 7 | 42 | 41 | 132 |
| 800 | Circadian rhythms | 2 | 42 | 496 | 615 |
| 800 | Financial management | 2 | 42 | 623 | 831 |
| 800 | Cerebellum | 3 | 42 | 275 | 460 |
| 800 | Cerebellar ataxia | 3 | 42 | 275 | 460 |
| 806 | Intercultural Communication | 3 | 41 | 357 | 517 |
| 806 | Landscape Ecology | 1 | 41 | 776 | 813 |
| 806 | Industrial Sociology | 2 | 41 | 205 | 260 |
| 806 | Continuing Education | 2 | 41 | 539 | 391 |
| 806 | Mountains | 3 | 41 | 377 | 425 |
| 806 | biological invasions | 1 | 41 | 1033 | 969 |
| 806 | educational innovations | 3 | 41 | 496 | 690 |
| 813 | Dynamics | 2 | 40 | 2133 | 1852 |
| 813 | Labor Unions | 3 | 40 | 231 | 204 |
| 813 | Sexual health | 1 | 40 | 1259 | 939 |
| 813 | blood transfusion | 2 | 40 | 877 | 945 |
| 813 | labor | 3 | 40 | 323 | 326 |
| 813 | Labor history | 3 | 40 | 71 | 47 |
| 813 | Labor Movement | 3 | 40 | 173 | 114 |
| 820 | Systems Theory | 4 | 39 | 507 | 556 |
| 820 | Palliative Care | 4 | 39 | 747 | 1070 |
| 820 | Green Technology | 2 | 39 | 577 | 671 |
| 820 | Bilingualism | 2 | 39 | 239 | 332 |
| 820 | Smoking | 2 | 39 | 901 | 1174 |
| 820 | technical education | 3 | 39 | 665 | 820 |
| 820 | land | 2 | 39 | 69 | 41 |
| 820 | Digestive system diseases | 3 | 39 | 926 | 1335 |
| 828 | Disability Studies | 2 | 38 | 383 | 360 |
| 828 | Anti-inflammatory agents | 2 | 38 | 288 | 363 |
| 828 | voice | 1 | 38 | 778 | 581 |
| 828 | Reproductive health | 3 | 38 | 790 | 1224 |
| 828 | psychophysics | 3 | 38 | 340 | 405 |
| 828 | Photobiology | 1 | 38 | 2290 | 2032 |
| 828 | older people | 10 | 38 | 840 | 1670 |
| 835 | International Relations | 4 | 37 | 1032 | 999 |
| 835 | Mineral resources | 1 | 37 | 1030 | 1046 |
| 835 | extraterrestrial environment | 7 | 37 | 323 | 767 |
| 838 | Urban Economics | 2 | 36 | 430 | 583 |
| 838 | Macroeconomics | 2 | 36 | 473 | 460 |
| 838 | Applied Linguistics | 2 | 36 | 725 | 650 |
| 838 | Educational Sociology | 4 | 36 | 260 | 444 |
| 838 | Technological Innovations | 3 | 36 | 1077 | 1513 |
| 838 | Molecular Spectroscopy | 5 | 36 | 1417 | 2334 |
| 838 | Edible plants | 1 | 36 | 454 | 504 |
| 838 | prostaglandins | 5 | 36 | 321 | 681 |
| 838 | Criminal investigation | 1 | 36 | 359 | 248 |
| 847 | Industrial Organization | 1 | 35 | 549 | 450 |
| 847 | Soil Science | 3 | 35 | 1871 | 2590 |
| 847 | Adolescent Psychology | 2 | 35 | 994 | 1148 |
| 847 | Neuromuscular diseases | 1 | 35 | 1001 | 1000 |
| 847 | civilization | 5 | 35 | 1042 | 609 |
| 847 | Environmental pollutants | 4 | 35 | 2041 | 3422 |
| 847 | liver | 1 | 35 | 625 | 543 |
| 847 | pigments | 5 | 35 | 595 | 1266 |
| 855 | Remote Sensing | 4 | 34 | 1359 | 1683 |
| 855 | Amyotrophic Lateral Sclerosis | 1 | 34 | 465 | 476 |
| 855 | Patient education | 1 | 34 | 971 | 1049 |
| 855 | Frontotemporal lobar degeneration | 1 | 34 | 369 | 351 |
| 855 | Photogrammetry | 4 | 34 | 736 | 607 |
| 855 | Neural circuitry | 2 | 34 | 2317 | 2780 |
| 855 | Chemical safety | 1 | 34 | 99 | 28 |
| 855 | Action Research | 4 | 34 | 177 | 303 |
| 855 | Intelligent Control Systems | 1 | 34 | 1946 | 1236 |
| 855 | Steroids | 1 | 34 | 1572 | 1519 |
| 855 | astronomical phenomena | 6 | 34 | 339 | 753 |
| 855 | venom | 1 | 34 | 1313 | 1201 |
| 855 | Toxins | 1 | 34 | 1459 | 1317 |
| 868 | Information Theory | 2 | 33 | 1675 | 1772 |
| 868 | Environmental Education | 3 | 33 | 359 | 552 |
| 868 | Organizational change | 3 | 33 | 706 | 991 |
| 868 | Apoptosis | 1 | 33 | 541 | 593 |
| 868 | neurotoxins | 1 | 33 | 541 | 593 |
| 868 | Neurotoxic agents | 1 | 33 | 541 | 593 |
| 868 | Nonlinear Dynamics | 4 | 33 | 1845 | 2469 |
| 868 | Coral reef biology | 3 | 33 | 310 | 563 |
| 868 | pollutants | 3 | 33 | 1967 | 3053 |
| 868 | particles | 2 | 33 | 1273 | 1508 |
| 868 | Neurodevelopmental disorders | 1 | 33 | 135 | 52 |
| 868 | Mental illness | 3 | 33 | 1983 | 3103 |
| 868 | Nerve regeneration | 1 | 33 | 541 | 593 |
| 881 | Cartography | 6 | 32 | 314 | 557 |
| 881 | children | 3 | 32 | 518 | 769 |
| 883 | Land Use Planning | 2 | 31 | 463 | 680 |
| 883 | General Surgery | 2 | 31 | 745 | 760 |
| 883 | Regional Economics | 4 | 31 | 394 | 655 |
| 883 | economic forecasting | 1 | 31 | 613 | 580 |
| 883 | Hemodynamics | 1 | 31 | 923 | 1135 |
| 883 | Forecasting | 1 | 31 | 987 | 824 |
| 883 | Energy Consumption | 2 | 31 | 504 | 851 |
| 883 | Intelligence | 1 | 31 | 425 | 436 |
| 883 | motivation | 3 | 31 | 316 | 554 |
| 883 | Fractals | 3 | 31 | 1285 | 1692 |
| 893 | Dentistry | 1 | 30 | 1173 | 849 |
| 893 | Evolutionary Psychology | 2 | 30 | 198 | 270 |
| 893 | Semiconductors | 2 | 30 | 2397 | 2540 |
| 893 | Biotransformation | 1 | 30 | 285 | 209 |
| 893 | radiative transfer | 1 | 30 | 891 | 726 |
| 893 | Marine Pollution | 1 | 30 | 1869 | 2058 |
| 893 | Social policy | 4 | 30 | 872 | 1307 |
| 893 | Food preferences | 2 | 30 | 470 | 741 |
| 893 | city planning | 3 | 30 | 1626 | 2122 |
| 893 | Soviet Union | 4 | 30 | 598 | 671 |
| 903 | Stochastic Processes | 5 | 29 | 709 | 1184 |
| 903 | pain management | 1 | 29 | 1132 | 994 |
| 903 | Public Finance | 2 | 29 | 233 | 204 |
| 903 | cultural pluralism | 3 | 29 | 382 | 554 |
| 907 | Inorganic Chemistry | 1 | 28 | 319 | 344 |
| 907 | Qualitative Research | 2 | 28 | 626 | 739 |
| 907 | Molecules | 1 | 28 | 2096 | 1683 |
| 907 | cytokines | 2 | 28 | 1731 | 2424 |
| 907 | Fisheries | 3 | 28 | 1641 | 2222 |
| 907 | cosmetics | 1 | 28 | 408 | 391 |
| 913 | Ecological Genetics | 2 | 27 | 857 | 997 |
| 913 | Obsessive-Compulsive Disorder | 2 | 27 | 138 | 171 |
| 913 | big data | 4 | 27 | 448 | 1014 |
| 916 | Planetary Science | 2 | 26 | 654 | 752 |
| 916 | Information Systems | 3 | 26 | 1428 | 2328 |
| 916 | Multicultural Education | 2 | 26 | 468 | 525 |
| 916 | Diplomacy | 1 | 26 | 102 | 19 |
| 916 | Medical Ethics | 3 | 26 | 1129 | 1583 |
| 916 | Entropy | 2 | 26 | 1497 | 1576 |
| 916 | plant oils | 2 | 26 | 317 | 445 |
| 916 | Insect biochemistry | 2 | 26 | 570 | 840 |
| 924 | Clinical Biochemistry | 2 | 25 | 1500 | 2019 |
| 924 | Evolutionary Genetics | 1 | 25 | 1324 | 1412 |
| 924 | Psychosomatic Medicine | 1 | 25 | 1238 | 1469 |
| 924 | Molecular Epidemiology | 1 | 25 | 1324 | 1412 |
| 924 | Human Rights | 13 | 25 | 172 | 783 |
| 924 | epilepsy | 1 | 25 | 1499 | 1555 |
| 924 | Leadership | 1 | 25 | 859 | 966 |
| 924 | men | 1 | 25 | 598 | 567 |
| 924 | sustainable forestry | 1 | 25 | 270 | 175 |
| 924 | masculinity | 1 | 25 | 195 | 241 |
| 934 | Mathematical Economics | 3 | 24 | 323 | 468 |
| 934 | Ornithology | 1 | 24 | 1471 | 1273 |
| 934 | Anxiety | 2 | 24 | 608 | 1097 |
| 934 | Vocational guidance | 2 | 24 | 986 | 1342 |
| 934 | Scandinavia | 1 | 24 | 1226 | 1249 |
| 934 | computer networks | 3 | 24 | 2589 | 3383 |
| 934 | coal | 1 | 24 | 2399 | 2792 |
| 941 | Functional equations | 5 | 23 | 117 | 225 |
| 941 | Functional foods | 1 | 23 | 796 | 882 |
| 941 | Scheduling | 4 | 23 | 90 | 287 |
| 941 | Production Scheduling | 4 | 23 | 90 | 287 |
| 941 | locomotion | 6 | 23 | 413 | 1149 |
| 941 | Positive Psychology | 1 | 23 | 320 | 451 |
| 941 | Wetland ecology | 1 | 23 | 881 | 913 |
| 941 | posture | 6 | 23 | 413 | 1149 |
| 941 | Wetland conservation | 1 | 23 | 644 | 684 |
| 941 | Neurons | 1 | 23 | 917 | 1368 |
| 941 | Endocrine system | 2 | 23 | 942 | 580 |
| 941 | Europa | 3 | 23 | 532 | 868 |
| 941 | Suicide | 2 | 23 | 687 | 1002 |
| 941 | gait | 6 | 23 | 413 | 1149 |
| 941 | humor | 1 | 23 | 59 | 19 |
| 941 | Wetlands | 1 | 23 | 658 | 687 |
| 941 | walking | 6 | 23 | 413 | 1149 |
| 958 | Paleobiology | 2 | 22 | 479 | 512 |
| 958 | Forensic Pathology | 1 | 22 | 311 | 273 |
| 958 | Mood Disorders | 1 | 22 | 22 | 71 |
| 958 | pharmaceutical industry | 3 | 22 | 613 | 1110 |
| 958 | Jews | 15 | 22 | 63 | 128 |
| 958 | Autism | 2 | 22 | 814 | 1318 |
| 964 | Industrial Engineering | 2 | 21 | 2355 | 2934 |
| 964 | Early Childhood Education | 3 | 21 | 554 | 839 |
| 964 | Biosensors | 2 | 21 | 1567 | 2634 |
| 964 | Social Movements | 3 | 21 | 110 | 237 |
| 964 | Industrial Safety | 2 | 21 | 1483 | 1914 |
| 964 | Restoration Ecology | 1 | 21 | 816 | 892 |
| 964 | Biological Systems | 3 | 21 | 823 | 1390 |
| 964 | Maternal health services | 1 | 21 | 703 | 797 |
| 964 | Child welfare | 1 | 21 | 1813 | 1769 |
| 964 | Substance Abuse | 1 | 21 | 2166 | 2223 |
| 964 | Bioelectronics | 2 | 21 | 1366 | 2401 |
| 964 | Great Lakes | 1 | 21 | 393 | 463 |
| 964 | Transplantation | 2 | 21 | 1261 | 1847 |
| 964 | Cannabis | 1 | 21 | 209 | 224 |
| 964 | cell interaction | 2 | 21 | 1496 | 2277 |
| 964 | cannabinoids | 1 | 21 | 193 | 205 |
| 964 | Women's health | 1 | 21 | 2259 | 2330 |
| 981 | History | 5 | 20 | 965 | 658 |
| 981 | Petroleum Engineering | 2 | 20 | 971 | 1323 |
| 981 | Physical Geography | 2 | 20 | 732 | 952 |
| 981 | Fluid Mechanics | 2 | 20 | 1997 | 2441 |
| 981 | Neurosurgery | 1 | 20 | 1498 | 1735 |
| 981 | Demography | 2 | 20 | 880 | 1240 |
| 981 | Crisis Intervention | 1 | 20 | 326 | 387 |
| 981 | Electrophysiology | 2 | 20 | 1293 | 1669 |
| 981 | Writing | 3 | 20 | 277 | 540 |
| 981 | disease vectors | 2 | 20 | 1233 | 1917 |
| 981 | probabilities | 4 | 20 | 1129 | 1411 |
| 981 | disease outbreaks | 3 | 20 | 545 | 1194 |
| 981 | Epidemics | 3 | 20 | 525 | 1170 |
| 981 | planning | 1 | 20 | 1304 | 1324 |
| 981 | biological monitoring | 2 | 20 | 707 | 1216 |
| 981 | Minerals | 4 | 20 | 635 | 1519 |
| 981 | Economic planning | 1 | 20 | 872 | 1025 |
| 998 | transgenic organisms | 1 | 19 | 570 | 743 |
| 998 | Collective behavior | 2 | 19 | 101 | 232 |
| 998 | transgenic animals | 1 | 19 | 549 | 722 |