| 1 | Physics | 343 | 27.4K | 892 | 698 |
| 2 | Astrophysics | 422 | 24.4K | 300 | 333 |
| 3 | Chemistry | 405 | 20.8K | 864 | 739 |
| 4 | Biochemistry | 356 | 17.3K | 853 | 695 |
| 5 | Spectrum analysis | 181 | 16.6K | 444 | 308 |
| 6 | Molecular Biology | 261 | 16.0K | 774 | 623 |
| 7 | Science | 146 | 15.5K | 1240 | 842 |
| 8 | Medicine | 178 | 15.0K | 1147 | 645 |
| 9 | Astronomy | 378 | 14.1K | 280 | 344 |
| 10 | Biology | 108 | 13.5K | 1369 | 886 |
| 11 | Nuclear Physics | 297 | 12.2K | 555 | 459 |
| 12 | Natural history | 17 | 9.3K | 1221 | 657 |
| 13 | Pollution | 128 | 9.2K | 661 | 517 |
| 14 | Ecology | 138 | 8.4K | 807 | 711 |
| 15 | Hematology | 162 | 8.1K | 282 | 242 |
| 16 | Statistical physics | 240 | 7.6K | 337 | 302 |
| 17 | Environmental Health | 93 | 7.3K | 763 | 477 |
| 18 | Cytology | 84 | 7.2K | 704 | 547 |
| 19 | Cell Biology | 67 | 7.1K | 733 | 538 |
| 20 | Environment | 83 | 6.9K | 788 | 667 |
| 21 | Biophysics | 178 | 6.6K | 694 | 626 |
| 22 | Research | 145 | 5.9K | 1125 | 899 |
| 23 | Human genetics | 12 | 4.8K | 827 | 528 |
| 24 | Endocrinology | 61 | 4.8K | 555 | 413 |
| 25 | Virology | 21 | 4.6K | 910 | 497 |
| 26 | Microbiology | 110 | 4.6K | 962 | 963 |
| 27 | Obstetrics | 129 | 4.5K | 199 | 169 |
| 28 | Optics | 178 | 4.5K | 488 | 408 |
| 29 | environmental pollution | 113 | 4.4K | 513 | 564 |
| 30 | Biotechnology | 84 | 4.2K | 1008 | 920 |
| 31 | Metabolism | 56 | 4.0K | 515 | 430 |
| 32 | Neurology | 90 | 4.0K | 865 | 842 |
| 33 | Toxicology | 70 | 3.9K | 844 | 578 |
| 34 | Catalysis | 108 | 3.9K | 639 | 708 |
| 35 | Pharmaceutical Chemistry | 60 | 3.8K | 745 | 455 |
| 36 | Metabolic diseases | 49 | 3.7K | 442 | 372 |
| 37 | Clinical Chemistry | 41 | 3.5K | 613 | 320 |
| 38 | Environmental Engineering | 47 | 3.4K | 756 | 487 |
| 39 | Quantum Gravity | 81 | 3.3K | 544 | 482 |
| 40 | Wireless Communication Systems | 6 | 3.2K | 1665 | 246 |
| 41 | Pathology | 80 | 3.2K | 305 | 321 |
| 42 | Botany | 79 | 3.0K | 732 | 739 |
| 43 | Critical Care | 24 | 3.0K | 411 | 275 |
| 43 | Critical Care Medicine | 24 | 3.0K | 409 | 277 |
| 45 | Cancer | 59 | 2.9K | 605 | 580 |
| 46 | Surgery | 56 | 2.7K | 263 | 352 |
| 47 | computer networks | 24 | 2.7K | 795 | 212 |
| 48 | Environmental monitoring | 62 | 2.7K | 615 | 623 |
| 49 | Leukemia | 36 | 2.6K | 204 | 174 |
| 50 | sanitation | 15 | 2.6K | 584 | 351 |
| 51 | Europe | 128 | 2.5K | 264 | 324 |
| 52 | Biodiversity conservation | 15 | 2.4K | 630 | 441 |
| 53 | Nanotechnology | 44 | 2.4K | 1362 | 1120 |
| 54 | Telecommunication Systems | 16 | 2.3K | 579 | 48 |
| 55 | Mathematics | 179 | 2.3K | 886 | 840 |
| 56 | Nonlinear Dynamics | 85 | 2.3K | 327 | 345 |
| 57 | Pharmacology | 65 | 2.2K | 1075 | 1002 |
| 58 | Climate change | 4 | 2.1K | 777 | 410 |
| 58 | Eutrophication | 4 | 2.1K | 738 | 406 |
| 60 | Hypertension | 26 | 2.1K | 433 | 388 |
| 61 | Immunology | 34 | 2.1K | 841 | 707 |
| 62 | Thrombosis | 81 | 2.0K | 92 | 165 |
| 63 | Reproduction | 71 | 2.0K | 334 | 347 |
| 64 | Analytical Chemistry | 53 | 1.9K | 1125 | 985 |
| 65 | Computer Graphics | 26 | 1.9K | 486 | 230 |
| 66 | Informatics | 10 | 1.9K | 384 | 58 |
| 67 | Condensed Matter | 66 | 1.8K | 802 | 796 |
| 68 | Environmental Toxicology | 18 | 1.8K | 842 | 408 |
| 69 | Hemostasis | 76 | 1.8K | 23 | 40 |
| 70 | Medical genetics | 30 | 1.7K | 690 | 675 |
| 71 | Epidemiology | 55 | 1.7K | 657 | 635 |
| 72 | Environmental Management | 33 | 1.7K | 745 | 667 |
| 73 | Cardiovascular system | 17 | 1.6K | 511 | 434 |
| 74 | Transplantation | 28 | 1.6K | 262 | 223 |
| 75 | viruses | 9 | 1.6K | 673 | 348 |
| 76 | Solid State Physics | 71 | 1.6K | 909 | 885 |
| 77 | Nutrition | 65 | 1.6K | 750 | 906 |
| 78 | Mental Disorders | 13 | 1.6K | 1162 | 619 |
| 79 | Bioengineering | 26 | 1.6K | 1342 | 1104 |
| 80 | Computer Science | 10 | 1.5K | 1068 | 119 |
| 81 | Cardiovascular diseases | 62 | 1.5K | 225 | 275 |
| 82 | Plants | 38 | 1.5K | 434 | 515 |
| 83 | Biomedical Engineering | 34 | 1.5K | 1447 | 1180 |
| 84 | nanoscience | 16 | 1.5K | 1247 | 812 |
| 85 | data protection | 19 | 1.5K | 53 | 18 |
| 86 | Emergency Medicine | 93 | 1.4K | 110 | 150 |
| 87 | Emergency Medical Services | 92 | 1.4K | 9 | 18 |
| 88 | Materials | 34 | 1.4K | 1961 | 1639 |
| 89 | Plant Ecology | 35 | 1.4K | 423 | 459 |
| 90 | Organic Chemistry | 39 | 1.4K | 941 | 771 |
| 91 | Oncology | 32 | 1.3K | 472 | 825 |
| 92 | environmental protection | 35 | 1.3K | 866 | 884 |
| 93 | Psychiatry | 22 | 1.3K | 1373 | 1031 |
| 94 | Computational Chemistry | 7 | 1.2K | 410 | 137 |
| 95 | management | 14 | 1.2K | 1645 | 1063 |
| 96 | Water pollution | 19 | 1.2K | 1027 | 808 |
| 96 | pollutants | 22 | 1.2K | 515 | 387 |
| 96 | Environmental pollutants | 22 | 1.2K | 655 | 468 |
| 99 | Lung Transplantation | 11 | 1.2K | 150 | 79 |
| 99 | Heart transplantation | 11 | 1.2K | 150 | 79 |
| 101 | occupational diseases | 9 | 1.1K | 349 | 134 |
| 102 | Environmental Policy | 20 | 1.1K | 1137 | 994 |
| 103 | Physiology | 42 | 1.1K | 1028 | 1158 |
| 104 | Biodiversity | 13 | 1.1K | 955 | 537 |
| 105 | Economics | 73 | 1.1K | 858 | 985 |
| 106 | Water | 14 | 1.1K | 1099 | 847 |
| 107 | Biocompatible Materials | 24 | 1.0K | 1309 | 1355 |
| 108 | Pediatrics | 37 | 1.0K | 513 | 614 |
| 109 | Environmental Chemistry | 22 | 1.0K | 563 | 667 |
| 110 | drug therapy | 28 | 991 | 586 | 540 |
| 111 | Industrial Microbiology | 18 | 990 | 643 | 560 |
| 112 | Quantum Optics | 31 | 986 | 150 | 110 |
| 113 | Infertility | 13 | 956 | 350 | 271 |
| 113 | fertility | 13 | 956 | 383 | 285 |
| 115 | Geology | 27 | 952 | 1011 | 852 |
| 116 | Anatomy | 30 | 947 | 530 | 513 |
| 117 | Geophysics | 25 | 939 | 1182 | 1049 |
| 118 | Molecules | 54 | 919 | 274 | 375 |
| 119 | Public Health | 54 | 917 | 1002 | 1374 |
| 120 | Bioinorganic chemistry | 31 | 905 | 363 | 320 |
| 121 | Psychopharmacology | 9 | 903 | 739 | 472 |
| 122 | Neurochemistry | 20 | 901 | 867 | 751 |
| 122 | Neuroimmunology | 22 | 901 | 147 | 200 |
| 124 | Genetics | 12 | 891 | 1530 | 1195 |
| 125 | Zoology | 26 | 887 | 807 | 587 |
| 125 | proteins | 33 | 887 | 479 | 520 |
| 127 | Inflammation | 6 | 880 | 705 | 297 |
| 128 | Nanostructured Materials | 26 | 874 | 1119 | 1094 |
| 129 | Microbial Ecology | 15 | 871 | 907 | 861 |
| 130 | Plant cells | 9 | 868 | 604 | 569 |
| 131 | Histology | 20 | 867 | 646 | 534 |
| 132 | Psychophysiology | 7 | 861 | 1637 | 957 |
| 133 | Green Chemistry | 17 | 842 | 676 | 686 |
| 134 | Sexual health | 27 | 815 | 125 | 124 |
| 135 | Food service management | 3 | 814 | 418 | 117 |
| 136 | Pharmaceutical Technology | 24 | 810 | 414 | 399 |
| 136 | Technology | 30 | 810 | 1140 | 1021 |
| 138 | Cell death | 12 | 805 | 517 | 472 |
| 139 | Molecular structure | 26 | 798 | 712 | 646 |
| 140 | Urology | 19 | 790 | 548 | 434 |
| 141 | Medical Laboratory Science | 17 | 786 | 733 | 709 |
| 141 | Plant physiology | 18 | 786 | 862 | 822 |
| 143 | Mathematical Physics | 66 | 772 | 593 | 804 |
| 144 | Computational Biology | 20 | 768 | 807 | 741 |
| 145 | Cell differentiation | 6 | 765 | 900 | 663 |
| 145 | Diet | 36 | 765 | 420 | 743 |
| 147 | Aquaculture | 19 | 758 | 492 | 383 |
| 148 | Animal ecology | 15 | 756 | 476 | 347 |
| 149 | mathematical analysis | 64 | 748 | 498 | 563 |
| 150 | plant communities | 20 | 738 | 338 | 436 |
| 151 | Atomic spectroscopy | 28 | 737 | 260 | 249 |
| 152 | catalytic activity | 22 | 736 | 132 | 169 |
| 153 | plant molecular biology | 4 | 733 | 1164 | 671 |
| 154 | Bioinformatics | 16 | 730 | 793 | 640 |
| 154 | drugs | 17 | 730 | 720 | 558 |
| 156 | Biological Systems | 37 | 729 | 28 | 69 |
| 157 | risk factors | 22 | 721 | 153 | 170 |
| 158 | Neuropharmacology | 20 | 718 | 120 | 108 |
| 159 | Biosensors | 7 | 714 | 798 | 575 |
| 160 | environmental exposure | 14 | 710 | 760 | 557 |
| 161 | Bioelectronics | 6 | 708 | 748 | 498 |
| 162 | protein | 22 | 707 | 336 | 331 |
| 163 | Laser Spectroscopy | 24 | 705 | 169 | 137 |
| 164 | Polymers | 36 | 704 | 1442 | 1546 |
| 165 | Extracellular matrix | 9 | 676 | 87 | 89 |
| 165 | collagen | 9 | 676 | 93 | 95 |
| 167 | Bioorganic chemistry | 22 | 662 | 1042 | 1020 |
| 168 | Medical Microbiology | 31 | 650 | 564 | 867 |
| 168 | Developmental Immunology | 7 | 650 | 313 | 134 |
| 170 | Genetic engineering | 14 | 648 | 844 | 740 |
| 171 | Nervous system | 36 | 644 | 583 | 909 |
| 172 | Antibacterial agents | 12 | 642 | 203 | 144 |
| 173 | Medical Oncology | 18 | 631 | 540 | 589 |
| 173 | cell interaction | 5 | 631 | 716 | 353 |
| 175 | Chemical Engineering | 20 | 627 | 1929 | 1976 |
| 175 | Fisheries | 12 | 627 | 693 | 443 |
| 177 | Cytogenetics | 14 | 625 | 514 | 565 |
| 178 | infection | 25 | 623 | 435 | 565 |
| 179 | Diagnostic microbiology | 10 | 620 | 511 | 534 |
| 180 | Statistics | 28 | 618 | 873 | 716 |
| 181 | Oncogenes | 10 | 612 | 511 | 555 |
| 182 | Genomics | 12 | 611 | 1354 | 1063 |
| 183 | Materials Science | 18 | 607 | 1887 | 1732 |
| 184 | Developmental Biology | 10 | 596 | 937 | 827 |
| 185 | Cerebral cortex | 4 | 592 | 699 | 386 |
| 186 | Numerical Analysis | 37 | 588 | 582 | 618 |
| 186 | Corporate Social Responsibility | 9 | 588 | 61 | 63 |
| 186 | environmental auditing | 9 | 588 | 63 | 64 |
| 189 | Functional Analysis | 27 | 587 | 386 | 328 |
| 190 | Hormones | 8 | 584 | 694 | 464 |
| 191 | lasers | 16 | 583 | 915 | 576 |
| 192 | Environmental Law | 10 | 574 | 486 | 543 |
| 193 | Infections | 23 | 571 | 274 | 454 |
| 194 | Immunopharmacology | 18 | 534 | 276 | 293 |
| 194 | Aging | 19 | 534 | 931 | 919 |
| 196 | Hemodynamics | 10 | 533 | 284 | 303 |
| 197 | Sustainable Engineering | 12 | 531 | 732 | 690 |
| 197 | visualization | 9 | 531 | 740 | 275 |
| 197 | cytokines | 5 | 531 | 848 | 431 |
| 200 | Marine Biology | 25 | 525 | 873 | 1032 |
| 201 | Interfaces | 2 | 523 | 449 | 26 |
| 202 | Physical Chemistry | 12 | 520 | 1095 | 875 |
| 203 | Diabetes mellitus | 13 | 516 | 789 | 796 |
| 203 | Diabetes | 13 | 516 | 817 | 826 |
| 205 | Structure-activity relationship | 18 | 509 | 17 | 83 |
| 206 | Oral Medicine | 11 | 507 | 318 | 94 |
| 206 | Molecular cloning | 13 | 507 | 592 | 456 |
| 206 | Genetic recombination | 13 | 507 | 577 | 448 |
| 206 | Recombinant DNA | 13 | 507 | 633 | 488 |
| 210 | Molecular Genetics | 12 | 506 | 829 | 807 |
| 211 | Clinical Immunology | 3 | 504 | 870 | 407 |
| 212 | Neurobiology | 14 | 498 | 738 | 816 |
| 213 | Geriatrics | 21 | 490 | 920 | 942 |
| 214 | Cell communication | 3 | 487 | 537 | 208 |
| 215 | cell adhesion molecules | 2 | 482 | 226 | 65 |
| 216 | enzymes | 21 | 477 | 467 | 593 |
| 217 | pain | 12 | 476 | 559 | 531 |
| 218 | Economic History | 20 | 470 | 1236 | 1031 |
| 218 | Histocompatibility Testing | 5 | 470 | 308 | 96 |
| 220 | Respiration | 16 | 469 | 563 | 600 |
| 220 | amino acids | 4 | 469 | 462 | 135 |
| 222 | Geriatric Oncology | 13 | 466 | 176 | 188 |
| 222 | Developing countries | 9 | 466 | 1250 | 794 |
| 224 | Insects | 10 | 462 | 737 | 424 |
| 225 | Brain | 8 | 454 | 1440 | 1133 |
| 226 | Solid State Chemistry | 21 | 453 | 1044 | 961 |
| 227 | drug evaluation | 10 | 452 | 606 | 415 |
| 228 | Animal Behavior | 12 | 451 | 888 | 900 |
| 229 | organizational effectiveness | 7 | 448 | 191 | 79 |
| 229 | Telecommunication | 7 | 448 | 1705 | 1036 |
| 231 | Computer-Aided Design | 10 | 447 | 587 | 384 |
| 232 | Optical materials | 15 | 438 | 1196 | 1310 |
| 233 | ecosystem | 11 | 435 | 616 | 670 |
| 234 | Occupational Health | 17 | 434 | 280 | 271 |
| 234 | glycoproteins | 10 | 434 | 173 | 172 |
| 234 | Glycoconjugates | 10 | 434 | 173 | 172 |
| 234 | glycolipids | 10 | 434 | 173 | 172 |
| 238 | Child Development | 13 | 427 | 852 | 825 |
| 239 | Mental illness | 7 | 425 | 1032 | 890 |
| 240 | Geodynamics | 9 | 424 | 510 | 443 |
| 240 | Evolution | 9 | 424 | 968 | 867 |
| 242 | Population Genetics | 10 | 423 | 591 | 585 |
| 243 | radioactive waste | 12 | 420 | 282 | 469 |
| 243 | industrial waste | 12 | 420 | 301 | 470 |
| 243 | Hazardous waste | 12 | 420 | 346 | 497 |
| 246 | Cheminformatics | 8 | 417 | 96 | 159 |
| 247 | Psychoneuroimmunology | 7 | 416 | 339 | 328 |
| 248 | Proteomics | 12 | 412 | 446 | 482 |
| 249 | diseases | 1 | 411 | 535 | 407 |
| 249 | Disease | 1 | 411 | 530 | 406 |
| 251 | Information Theory | 13 | 409 | 625 | 543 |
| 252 | Software Engineering | 15 | 408 | 385 | 390 |
| 253 | Neurophysiology | 7 | 400 | 1642 | 1310 |
| 254 | Clinical Pharmacology | 8 | 399 | 702 | 476 |
| 255 | Embryology | 5 | 394 | 1002 | 759 |
| 256 | Wildlife conservation | 9 | 393 | 555 | 584 |
| 257 | Parasitic Diseases | 20 | 390 | 604 | 787 |
| 258 | animals | 15 | 386 | 442 | 331 |
| 259 | livestock | 11 | 381 | 208 | 111 |
| 260 | Data Mining | 14 | 378 | 576 | 670 |
| 260 | Forest Ecology | 10 | 378 | 515 | 485 |
| 260 | Molecular ecology | 6 | 378 | 675 | 635 |
| 260 | Colloids | 18 | 378 | 1648 | 1959 |
| 264 | Geochemistry | 15 | 377 | 864 | 959 |
| 265 | Earth Sciences | 22 | 376 | 1197 | 1404 |
| 266 | polymerization | 24 | 371 | 1483 | 1711 |
| 267 | Social behavior | 9 | 368 | 632 | 572 |
| 268 | Ethology | 7 | 366 | 913 | 865 |
| 269 | Differential Equations | 11 | 364 | 524 | 356 |
| 270 | Operations Research | 27 | 363 | 724 | 1041 |
| 271 | Growth | 4 | 361 | 836 | 698 |
| 272 | Pediatric Neurology | 7 | 358 | 527 | 565 |
| 273 | Drug design | 12 | 355 | 647 | 687 |
| 274 | Algae | 3 | 352 | 685 | 365 |
| 274 | Seaweed | 3 | 352 | 525 | 285 |
| 276 | industrial hygiene | 18 | 350 | 240 | 166 |
| 277 | Crystal growth | 15 | 348 | 364 | 410 |
| 278 | Corporate governance | 4 | 347 | 505 | 189 |
| 278 | corporate culture | 4 | 347 | 127 | 40 |
| 280 | Dentistry | 10 | 343 | 326 | 194 |
| 281 | Gene expression regulation | 10 | 337 | 415 | 444 |
| 282 | Genetic regulation | 9 | 331 | 527 | 577 |
| 283 | Carbohydrates | 7 | 330 | 222 | 197 |
| 284 | Development | 5 | 329 | 561 | 418 |
| 284 | Economic Assistance | 5 | 329 | 487 | 390 |
| 286 | Municipal Engineering | 12 | 325 | 53 | 68 |
| 286 | Waste management | 12 | 325 | 596 | 488 |
| 288 | Immunopathology | 9 | 324 | 595 | 592 |
| 289 | Liver diseases | 6 | 318 | 795 | 778 |
| 290 | Oligosaccharide | 6 | 317 | 163 | 158 |
| 291 | Immunity | 10 | 315 | 822 | 1093 |
| 292 | Biochemical Engineering | 10 | 313 | 1755 | 2146 |
| 293 | Environmental Microbiology | 8 | 307 | 741 | 871 |
| 294 | Heart Failure | 5 | 304 | 246 | 217 |
| 295 | freshwater biology | 6 | 303 | 593 | 384 |
| 296 | Culture techniques | 2 | 302 | 336 | 89 |
| 297 | Allergy | 8 | 297 | 576 | 726 |
| 298 | Surface Chemistry | 21 | 293 | 1564 | 2088 |
| 298 | mammals | 15 | 293 | 339 | 397 |
| 300 | Entomology | 8 | 287 | 1375 | 900 |
| 301 | mutagens | 9 | 285 | 354 | 477 |
| 302 | Ophthalmology | 6 | 282 | 1098 | 857 |
| 302 | Zeolites | 9 | 282 | 465 | 549 |
| 304 | Nonlinear Optics | 7 | 281 | 52 | 31 |
| 305 | histological techniques | 5 | 279 | 478 | 426 |
| 305 | Lipids | 5 | 279 | 915 | 769 |
| 307 | Signal Transduction | 7 | 278 | 830 | 893 |
| 307 | Crystallography | 7 | 278 | 1113 | 482 |
| 309 | Soft Condensed Matter | 7 | 277 | 654 | 571 |
| 310 | Information Systems | 5 | 276 | 1052 | 647 |
| 310 | Parasitology | 9 | 276 | 1279 | 1082 |
| 312 | Child | 10 | 275 | 1128 | 1083 |
| 313 | Radiation effects | 5 | 274 | 429 | 345 |
| 314 | Plant tissue culture | 4 | 271 | 582 | 326 |
| 314 | Plant cell culture | 4 | 271 | 515 | 323 |
| 316 | Hippocampus | 1 | 268 | 447 | 199 |
| 317 | Radiologic Technology | 15 | 267 | 15 | 13 |
| 317 | Interventional Radiology | 15 | 267 | 15 | 13 |
| 317 | Interventional Radiography | 15 | 267 | 15 | 13 |
| 317 | Endoscopic Surgery | 15 | 267 | 15 | 13 |
| 321 | Otolaryngology | 4 | 264 | 404 | 224 |
| 322 | Conservation Biology | 13 | 261 | 435 | 645 |
| 322 | biological invasions | 8 | 261 | 303 | 311 |
| 324 | Histochemistry | 4 | 259 | 836 | 493 |
| 324 | Endocrine glands | 3 | 259 | 243 | 239 |
| 324 | Forest Management | 7 | 259 | 580 | 562 |
| 327 | Organometallic chemistry | 15 | 258 | 942 | 955 |
| 328 | Quantum electronics | 5 | 256 | 1242 | 704 |
| 329 | biological monitoring | 8 | 253 | 202 | 218 |
| 330 | Carcinogenesis | 7 | 249 | 515 | 565 |
| 331 | Machine Learning | 6 | 248 | 187 | 169 |
| 332 | Planets | 5 | 245 | 1016 | 981 |
| 333 | Hydrology | 6 | 244 | 1626 | 1283 |
| 334 | genome | 3 | 242 | 1245 | 987 |
| 335 | Obesity | 6 | 241 | 1154 | 1110 |
| 336 | Dermatology | 11 | 240 | 772 | 783 |
| 336 | Neonatology | 7 | 240 | 306 | 230 |
| 336 | Metastasis | 1 | 240 | 309 | 179 |
| 339 | Social Sciences | 17 | 239 | 1369 | 1447 |
| 339 | carcinogens | 6 | 239 | 573 | 581 |
| 339 | Therapeutics | 5 | 239 | 1057 | 913 |
| 342 | biological evolution | 10 | 238 | 1018 | 1352 |
| 343 | free radicals | 6 | 237 | 877 | 992 |
| 344 | Psychology | 14 | 236 | 2206 | 2341 |
| 345 | vascular diseases | 5 | 234 | 478 | 460 |
| 345 | Insect biochemistry | 5 | 234 | 297 | 277 |
| 347 | Nanoparticles | 6 | 231 | 1319 | 1155 |
| 348 | Bacteriology | 2 | 227 | 1745 | 1202 |
| 349 | Chemotherapy | 13 | 224 | 520 | 686 |
| 349 | Cosmology | 7 | 224 | 399 | 371 |
| 351 | Electrochemistry | 21 | 218 | 1642 | 2057 |
| 352 | Physical organic chemistry | 8 | 216 | 906 | 814 |
| 353 | Database Management | 12 | 215 | 346 | 459 |
| 353 | Electrophoresis | 6 | 215 | 1082 | 917 |
| 355 | nucleic acids | 4 | 213 | 1187 | 1097 |
| 355 | medical education | 6 | 213 | 1078 | 837 |
| 357 | Documentation | 1 | 211 | 478 | 135 |
| 358 | biopolymers | 8 | 207 | 671 | 725 |
| 359 | Proteome | 11 | 206 | 513 | 750 |
| 360 | Randomized Controlled Trials | 7 | 205 | 561 | 383 |
| 360 | Immune system | 8 | 205 | 497 | 755 |
| 362 | Clinical Trials | 2 | 202 | 548 | 217 |
| 362 | Japan | 9 | 202 | 934 | 778 |
| 364 | Engineering | 8 | 201 | 2675 | 2244 |
| 364 | nuclear astrophysics | 4 | 201 | 424 | 317 |
| 366 | Economic Development | 5 | 200 | 1154 | 1038 |
| 366 | Synaptic Transmission | 5 | 200 | 326 | 304 |
| 368 | Electronics | 11 | 196 | 1781 | 1778 |
| 368 | Transportation | 7 | 196 | 1024 | 996 |
| 370 | Education | 4 | 193 | 3005 | 1787 |
| 371 | Biogeography | 5 | 192 | 718 | 810 |
| 371 | Investment analysis | 4 | 192 | 828 | 491 |
| 373 | human behavior | 4 | 187 | 1957 | 1954 |
| 374 | Information Technology | 6 | 186 | 1773 | 1484 |
| 375 | Industry | 2 | 185 | 247 | 230 |
| 376 | synthesis | 10 | 184 | 533 | 423 |
| 377 | air quality management | 5 | 183 | 328 | 298 |
| 378 | Algorithms | 19 | 182 | 138 | 322 |
| 379 | Biodegradation | 5 | 181 | 527 | 524 |
| 380 | indoor air pollution | 4 | 179 | 277 | 226 |
| 380 | Ventilation | 4 | 179 | 393 | 257 |
| 380 | Sick building syndrome | 4 | 179 | 277 | 226 |
| 383 | Orthopedics | 9 | 176 | 756 | 807 |
| 383 | Chromosomes | 8 | 176 | 474 | 650 |
| 385 | big data | 6 | 172 | 320 | 330 |
| 385 | brain mapping | 1 | 172 | 794 | 515 |
| 387 | biological factors | 4 | 170 | 1622 | 1226 |
| 388 | Adolescent Medicine | 3 | 169 | 481 | 551 |
| 388 | Respiratory system | 5 | 169 | 378 | 383 |
| 388 | Stem cells | 6 | 169 | 823 | 908 |
| 391 | Microelectronics | 5 | 168 | 1277 | 1212 |
| 391 | Ultrasonics | 5 | 168 | 925 | 994 |
| 391 | Sonochemistry | 5 | 168 | 453 | 650 |
| 394 | Renewable Energy Sources | 2 | 167 | 2805 | 2430 |
| 394 | rare diseases | 2 | 167 | 637 | 384 |
| 396 | world | 3 | 165 | 676 | 660 |
| 397 | Nonlinear functional analysis | 12 | 164 | 521 | 690 |
| 397 | data collection | 4 | 164 | 875 | 773 |
| 399 | Neurotoxicology | 2 | 162 | 691 | 396 |
| 399 | Apoptosis | 2 | 162 | 340 | 155 |
| 399 | neurotoxins | 2 | 162 | 340 | 155 |
| 399 | Neurotoxic agents | 2 | 162 | 340 | 155 |
| 399 | gene therapy | 4 | 162 | 724 | 727 |
| 399 | United Kingdom | 4 | 162 | 1125 | 982 |
| 399 | Nerve regeneration | 2 | 162 | 340 | 155 |
| 406 | Medical Technology | 6 | 161 | 1000 | 1011 |
| 406 | finance | 7 | 161 | 1604 | 1439 |
| 408 | Immunotherapy | 9 | 159 | 863 | 1230 |
| 408 | polar regions | 4 | 159 | 530 | 387 |
| 410 | Regional Planning | 12 | 158 | 709 | 963 |
| 410 | Molecular evolution | 6 | 158 | 934 | 1174 |
| 412 | Pituitary gland | 5 | 157 | 117 | 118 |
| 413 | Paleontology | 11 | 156 | 645 | 777 |
| 414 | Photonics | 9 | 154 | 1095 | 1357 |
| 414 | Microbial Biotechnology | 4 | 154 | 842 | 687 |
| 414 | Sleep Disorders | 10 | 154 | 717 | 909 |
| 414 | Sleep | 10 | 154 | 730 | 916 |
| 418 | economic policy | 25 | 153 | 710 | 1220 |
| 419 | Visual Perception | 7 | 152 | 869 | 968 |
| 420 | Drug delivery systems | 3 | 151 | 1492 | 1255 |
| 421 | Diagnostic Imaging | 9 | 150 | 933 | 1082 |
| 421 | Memory | 7 | 150 | 965 | 1135 |
| 423 | Microorganisms | 6 | 149 | 654 | 905 |
| 423 | Behavior | 6 | 149 | 1987 | 2406 |
| 425 | Enteral nutrition | 7 | 148 | 436 | 655 |
| 425 | Parenteral nutrition | 7 | 148 | 533 | 737 |
| 425 | Aquatic ecology | 6 | 148 | 615 | 583 |
| 428 | Radiology | 7 | 147 | 790 | 710 |
| 428 | Community Psychiatry | 1 | 147 | 1322 | 698 |
| 428 | environmental indicators | 7 | 147 | 713 | 1077 |
| 428 | Psychiatric Epidemiology | 1 | 147 | 746 | 413 |
| 432 | Attention | 6 | 146 | 975 | 1030 |
| 432 | Perception | 6 | 146 | 1053 | 1114 |
| 434 | Quality of life | 14 | 144 | 496 | 1126 |
| 435 | disease outbreaks | 6 | 142 | 308 | 413 |
| 435 | Epidemics | 6 | 142 | 296 | 411 |
| 437 | Menopause | 6 | 141 | 160 | 167 |
| 438 | cell physiology | 2 | 140 | 1388 | 1215 |
| 439 | Electron Microscopy | 4 | 139 | 335 | 223 |
| 440 | Image Processing | 7 | 138 | 1443 | 1627 |
| 440 | behavioral medicine | 2 | 138 | 1427 | 1155 |
| 442 | Photochemistry | 9 | 136 | 956 | 1281 |
| 443 | Neuropsychology | 2 | 135 | 2249 | 1571 |
| 444 | Primary health care | 4 | 134 | 1287 | 1041 |
| 445 | X-rays | 4 | 133 | 437 | 266 |
| 445 | Quantum theory | 9 | 133 | 574 | 654 |
| 447 | Nuclear Medicine | 7 | 132 | 544 | 579 |
| 448 | Health Services Research | 4 | 131 | 1220 | 965 |
| 448 | miniaturization | 5 | 131 | 1301 | 1474 |
| 450 | Databases | 4 | 129 | 307 | 276 |
| 450 | preventive medicine | 3 | 129 | 965 | 883 |
| 452 | Meteorology | 3 | 127 | 1838 | 1717 |
| 452 | Autoimmunity | 4 | 127 | 540 | 636 |
| 454 | Hemophilia | 3 | 126 | 345 | 223 |
| 455 | Neurosurgery | 8 | 125 | 534 | 707 |
| 455 | Mineralogy | 7 | 125 | 825 | 914 |
| 455 | Calculus of Variations | 8 | 125 | 307 | 303 |
| 458 | Health Policy | 5 | 124 | 1425 | 1355 |
| 458 | emergency management | 5 | 124 | 475 | 518 |
| 458 | Reproductive health | 3 | 124 | 697 | 537 |
| 461 | Nephrology | 2 | 123 | 512 | 493 |
| 461 | Geomorphology | 5 | 123 | 1042 | 1241 |
| 461 | Antioxidants | 5 | 123 | 538 | 792 |
| 461 | Screening | 5 | 123 | 87 | 89 |
| 461 | Kidney diseases | 2 | 123 | 897 | 637 |
| 466 | Seismology | 4 | 122 | 382 | 329 |
| 466 | Oxidation-reduction | 4 | 122 | 642 | 896 |
| 468 | Land Use Planning | 5 | 121 | 261 | 376 |
| 468 | Biotransformation | 2 | 121 | 160 | 37 |
| 470 | Systems Theory | 5 | 120 | 249 | 141 |
| 470 | Sustainable Development | 3 | 120 | 2052 | 1780 |
| 470 | Artificial Intelligence | 23 | 120 | 1393 | 2714 |
| 470 | Asia | 6 | 120 | 1980 | 1679 |
| 474 | Econometrics | 11 | 119 | 701 | 873 |
| 474 | income | 3 | 119 | 140 | 120 |
| 474 | Input-output analysis | 3 | 119 | 223 | 177 |
| 474 | Wealth | 3 | 119 | 140 | 120 |
| 474 | Continental shelf | 1 | 119 | 560 | 336 |
| 479 | Evolutionary economics | 4 | 118 | 120 | 126 |
| 479 | Invertebrates | 3 | 118 | 575 | 409 |
| 479 | Population Dynamics | 4 | 118 | 122 | 145 |
| 482 | Sociology | 10 | 117 | 1598 | 2043 |
| 482 | Andrology | 6 | 117 | 378 | 420 |
| 482 | Engineering Geology | 4 | 117 | 1156 | 1124 |
| 482 | poverty | 4 | 117 | 290 | 286 |
| 482 | Oligosaccharides | 4 | 117 | 177 | 184 |
| 487 | Water Microbiology | 3 | 116 | 430 | 354 |
| 487 | Fouling | 3 | 116 | 210 | 237 |
| 489 | Paleoclimatology | 3 | 115 | 1011 | 948 |
| 490 | Approximation Theory | 5 | 112 | 333 | 243 |
| 491 | Medical innovations | 4 | 111 | 681 | 1065 |
| 491 | toxicity testing | 2 | 111 | 758 | 500 |
| 491 | health services | 3 | 111 | 960 | 743 |
| 491 | Textile industry | 2 | 111 | 604 | 249 |
| 495 | Nuclear Engineering | 9 | 110 | 802 | 887 |
| 495 | Systems Biology | 3 | 110 | 1287 | 1140 |
| 495 | food technology | 4 | 110 | 2075 | 2143 |
| 495 | United States | 7 | 110 | 2925 | 3110 |
| 499 | prostaglandins | 1 | 109 | 624 | 348 |
| 499 | Fluorescence | 3 | 109 | 463 | 254 |
| 501 | Dynamics | 7 | 108 | 1085 | 1054 |
| 501 | Sports Medicine | 5 | 108 | 1777 | 1598 |
| 501 | Animal husbandry | 1 | 108 | 501 | 215 |
| 504 | Geometry | 17 | 107 | 471 | 574 |
| 505 | Pharmacy | 6 | 106 | 1356 | 1634 |
| 506 | Risk assessment | 4 | 105 | 493 | 398 |
| 507 | Cosmochemistry | 2 | 104 | 968 | 809 |
| 507 | Organometallic compounds | 7 | 104 | 875 | 1050 |
| 507 | Cell metabolism | 2 | 104 | 736 | 860 |
| 510 | Bioremediation | 3 | 102 | 851 | 865 |
| 511 | Pharmacognosy | 2 | 101 | 2028 | 1772 |
| 511 | Organizational change | 3 | 101 | 753 | 617 |
| 511 | Medicinal plants | 2 | 101 | 1587 | 1410 |
| 514 | Petrology | 5 | 100 | 703 | 819 |
| 514 | Host-parasite interactions | 1 | 100 | 1507 | 1187 |
| 514 | Plant diseases | 1 | 100 | 2359 | 1428 |
| 517 | Cyberterrorism | 2 | 99 | 47 | 42 |
| 517 | Vaccines | 7 | 99 | 919 | 1238 |
| 519 | Historical Linguistics | 1 | 98 | 195 | 31 |
| 519 | Lipid metabolism | 1 | 98 | 673 | 461 |
| 519 | Lipid | 1 | 98 | 675 | 462 |
| 522 | Paleoecology | 2 | 97 | 1128 | 952 |
| 522 | Paleogeography | 2 | 97 | 1033 | 885 |
| 524 | Enzyme | 5 | 96 | 364 | 629 |
| 524 | health planning | 13 | 96 | 984 | 1703 |
| 526 | Entropy | 10 | 95 | 497 | 806 |
| 526 | Photobiology | 7 | 95 | 853 | 1236 |
| 526 | Groundwater | 2 | 95 | 615 | 477 |
| 529 | Social Networks | 3 | 94 | 291 | 284 |
| 529 | Adolescent | 4 | 94 | 1650 | 1555 |
| 531 | Electrical Engineering | 4 | 93 | 2583 | 1957 |
| 531 | Fishery management | 2 | 93 | 921 | 625 |
| 531 | technology transfer | 3 | 93 | 246 | 276 |
| 531 | Neuroplasticity | 1 | 93 | 504 | 295 |
| 531 | neuronal plasticity | 1 | 93 | 232 | 171 |
| 531 | concrete | 5 | 93 | 733 | 1057 |
| 537 | Marine Pollution | 6 | 92 | 809 | 1243 |
| 537 | Minerals | 3 | 92 | 789 | 715 |
| 539 | Food Microbiology | 1 | 91 | 1687 | 1345 |
| 539 | Melanoma | 1 | 91 | 331 | 217 |
| 539 | soil microbiology | 3 | 91 | 1294 | 1621 |
| 539 | natural disasters | 5 | 91 | 977 | 1241 |
| 543 | Membranes | 5 | 90 | 1263 | 1609 |
| 543 | antibiotics | 5 | 90 | 113 | 191 |
| 545 | Radio waves | 1 | 89 | 1157 | 800 |
| 545 | Radio | 1 | 89 | 1823 | 1216 |
| 545 | probabilities | 11 | 89 | 729 | 821 |
| 548 | Online social networks | 2 | 88 | 398 | 233 |
| 549 | Fluid Mechanics | 4 | 87 | 1255 | 1186 |
| 550 | Intelligent Transportation Systems | 2 | 86 | 1256 | 1132 |
| 550 | Molecular Imaging | 3 | 86 | 499 | 549 |
| 550 | Health | 9 | 86 | 1090 | 1669 |
| 553 | Algebra | 13 | 85 | 766 | 847 |
| 554 | Plant Morphology | 4 | 84 | 508 | 518 |
| 554 | Homeostasis | 1 | 84 | 583 | 781 |
| 556 | Educational Psychology | 3 | 82 | 1341 | 1265 |
| 556 | Lymphatic system | 2 | 82 | 106 | 70 |
| 558 | Industrial Ecology | 1 | 81 | 322 | 242 |
| 558 | Food | 4 | 81 | 2472 | 2817 |
| 558 | Chromatographic analysis | 4 | 81 | 1506 | 1463 |
| 561 | energy development | 2 | 80 | 1093 | 967 |
| 561 | pigments | 4 | 80 | 738 | 872 |
| 563 | internet | 6 | 79 | 1066 | 1484 |
| 564 | mutation | 3 | 77 | 530 | 660 |
| 564 | energy conservation | 4 | 77 | 1781 | 2280 |
| 564 | Entrepreneurship | 4 | 77 | 869 | 1258 |
| 564 | Autoimmune diseases | 3 | 77 | 541 | 642 |
| 568 | Earthquake Engineering | 4 | 75 | 1099 | 1302 |
| 568 | Birds | 9 | 75 | 625 | 818 |
| 568 | Information Science | 5 | 75 | 2000 | 2454 |
| 571 | preimplantation genetic diagnosis | 1 | 74 | 655 | 401 |
| 571 | embryo transfer | 1 | 74 | 669 | 413 |
| 571 | Wildlife management | 3 | 74 | 504 | 426 |
| 571 | Ultrasonic Imaging | 2 | 74 | 611 | 526 |
| 575 | Marriage | 2 | 73 | 643 | 492 |
| 575 | Health promotion | 1 | 73 | 1627 | 930 |
| 577 | Women's health | 2 | 72 | 1441 | 1081 |
| 578 | Logic Programming | 10 | 71 | 125 | 219 |
| 579 | Engineering Mathematics | 4 | 70 | 1663 | 1446 |
| 579 | Industrial Policy | 3 | 70 | 495 | 518 |
| 579 | Sports | 4 | 70 | 1721 | 1612 |
| 579 | innovation | 3 | 70 | 614 | 864 |
| 579 | DNA | 2 | 70 | 722 | 570 |
| 584 | Epigenetics | 2 | 68 | 278 | 221 |
| 584 | General Surgery | 5 | 68 | 370 | 405 |
| 584 | Public Administration | 3 | 68 | 1327 | 1114 |
| 584 | epilepsy | 2 | 68 | 969 | 826 |
| 584 | drug resistance | 4 | 68 | 545 | 802 |
| 584 | soil conservation | 2 | 68 | 968 | 890 |
| 584 | Epigenomics | 2 | 68 | 274 | 215 |
| 584 | soil pollution | 2 | 68 | 724 | 586 |
| 584 | Business | 5 | 68 | 1716 | 2307 |
| 593 | Developmental Genetics | 1 | 67 | 633 | 635 |
| 593 | Aerosols | 2 | 67 | 615 | 519 |
| 593 | viral genetics | 1 | 67 | 387 | 504 |
| 596 | Schizophrenia | 1 | 66 | 1168 | 1000 |
| 596 | Tourism | 4 | 66 | 1450 | 1938 |
| 596 | taxation | 8 | 66 | 67 | 257 |
| 596 | Immunochemistry | 3 | 66 | 898 | 915 |
| 596 | local government | 2 | 66 | 434 | 403 |
| 596 | hazard mitigation | 2 | 66 | 1171 | 1070 |
| 602 | Cochlear Implants | 3 | 65 | 68 | 57 |
| 602 | Erectile dysfunction | 7 | 65 | 116 | 239 |
| 604 | Africa | 5 | 64 | 1144 | 1094 |
| 605 | Statistical Mechanics | 9 | 63 | 348 | 543 |
| 605 | International Finance | 5 | 63 | 1320 | 1702 |
| 605 | rehabilitation | 8 | 63 | 1201 | 1957 |
| 608 | water supply | 1 | 62 | 1257 | 1010 |
| 608 | animal diseases | 2 | 62 | 582 | 511 |
| 610 | Logic | 5 | 61 | 355 | 321 |
| 610 | cardiac catheterization | 3 | 61 | 538 | 470 |
| 612 | Rheumatology | 2 | 60 | 1048 | 1023 |
| 612 | Biomass Energy | 4 | 60 | 2012 | 2690 |
| 612 | Composite Materials | 2 | 60 | 2613 | 2627 |
| 612 | Ceramic materials | 2 | 60 | 1541 | 1367 |
| 612 | Fuzzy systems | 9 | 60 | 878 | 1452 |
| 617 | Chromatography | 3 | 59 | 1503 | 1545 |
| 617 | philology | 2 | 59 | 656 | 89 |
| 617 | drug addiction | 3 | 59 | 908 | 1119 |
| 617 | alcoholism | 3 | 59 | 1190 | 1361 |
| 621 | Food preferences | 1 | 58 | 665 | 537 |
| 622 | Agricultural Chemistry | 3 | 57 | 1988 | 2253 |
| 622 | Maternal health services | 1 | 57 | 606 | 412 |
| 622 | Child welfare | 2 | 57 | 1267 | 1062 |
| 622 | Environmental risk assessment | 2 | 57 | 508 | 438 |
| 622 | environmental control | 2 | 57 | 233 | 276 |
| 622 | Cannabis | 4 | 57 | 55 | 110 |
| 622 | cannabinoids | 4 | 57 | 50 | 100 |
| 629 | Pediatric Endocrinology | 2 | 55 | 398 | 233 |
| 629 | Plant genetic engineering | 2 | 55 | 967 | 1096 |
| 629 | Metabolic disorders in children | 2 | 55 | 362 | 200 |
| 629 | System design | 1 | 55 | 389 | 255 |
| 629 | Microscopy | 11 | 55 | 626 | 1274 |
| 629 | Breeding | 2 | 55 | 1270 | 1272 |
| 635 | Clinical Biochemistry | 3 | 54 | 1003 | 1136 |
| 635 | Nanoelectronics | 2 | 54 | 910 | 683 |
| 635 | particle accelerators | 2 | 54 | 136 | 134 |
| 635 | Mass Spectrometry | 5 | 54 | 845 | 1089 |
| 635 | Magnetic Materials | 7 | 54 | 1011 | 1534 |
| 635 | Social policy | 5 | 54 | 782 | 1004 |
| 635 | Computational Complexity | 16 | 54 | 288 | 965 |
| 635 | particle beams | 2 | 54 | 132 | 132 |
| 635 | drug development | 5 | 54 | 582 | 1180 |
| 635 | Semiconductor industry | 2 | 54 | 681 | 548 |
| 645 | Nanostructures | 1 | 53 | 2619 | 2159 |
| 645 | Biometrics | 5 | 53 | 746 | 947 |
| 645 | Vietnam | 2 | 53 | 129 | 104 |
| 645 | Protein engineering | 2 | 53 | 257 | 299 |
| 645 | molecular design | 2 | 53 | 284 | 296 |
| 650 | Industrial Engineering | 4 | 52 | 1503 | 1932 |
| 650 | Recycling | 2 | 52 | 771 | 1194 |
| 652 | Linguistics | 7 | 51 | 864 | 1166 |
| 652 | Socioeconomic Factors | 1 | 51 | 1251 | 996 |
| 652 | Family | 1 | 51 | 1497 | 1036 |
| 655 | Computational Fluid Dynamics | 2 | 50 | 777 | 760 |
| 655 | Light | 4 | 50 | 744 | 1154 |
| 655 | Cement | 2 | 50 | 683 | 879 |
| 655 | rivers | 2 | 50 | 350 | 372 |
| 659 | Development Economics | 1 | 49 | 762 | 512 |
| 659 | Paleopathology | 8 | 49 | 128 | 298 |
| 661 | Electrophysiology | 7 | 48 | 563 | 913 |
| 662 | Comparative Physiology | 3 | 47 | 737 | 985 |
| 662 | Periglacial processes | 2 | 47 | 165 | 221 |
| 662 | Alternative Medicine | 3 | 47 | 1458 | 1906 |
| 662 | complementary therapies | 3 | 47 | 1636 | 2000 |
| 662 | Cell cycle | 1 | 47 | 500 | 417 |
| 662 | cell proliferation | 1 | 47 | 534 | 437 |
| 662 | Permafrost | 2 | 47 | 165 | 221 |
| 662 | Frozen ground | 2 | 47 | 167 | 221 |
| 662 | investigative techniques | 1 | 47 | 302 | 296 |
| 671 | Physical Geography | 3 | 46 | 488 | 623 |
| 671 | Information Retrieval | 3 | 46 | 455 | 631 |
| 671 | Orthopedic Surgery | 6 | 46 | 472 | 759 |
| 671 | Ecohydrology | 2 | 46 | 473 | 442 |
| 671 | Integrative Medicine | 2 | 46 | 342 | 238 |
| 671 | dietary supplements | 2 | 46 | 1068 | 1238 |
| 671 | Holistic Health | 2 | 46 | 604 | 523 |
| 671 | Biomolecules | 2 | 46 | 560 | 737 |
| 679 | Philosophy | 5 | 45 | 1216 | 955 |
| 679 | Ecological Genetics | 4 | 45 | 522 | 686 |
| 679 | Dietetics | 2 | 45 | 634 | 604 |
| 679 | Psychometrics | 4 | 45 | 376 | 526 |
| 679 | Semiconductors | 5 | 45 | 1700 | 2096 |
| 679 | Adolescent Psychology | 3 | 45 | 777 | 974 |
| 679 | Access to Information | 1 | 45 | 469 | 368 |
| 679 | Plant diversity | 1 | 45 | 37 | 33 |
| 679 | Bacterial infections | 1 | 45 | 1136 | 1102 |
| 679 | anesthesia | 3 | 45 | 494 | 435 |
| 679 | Methodology | 3 | 45 | 523 | 566 |
| 679 | arthritis | 1 | 45 | 1185 | 1211 |
| 679 | Information dissemination | 1 | 45 | 469 | 368 |
| 692 | income distribution | 1 | 44 | 316 | 256 |
| 692 | Parasites | 2 | 44 | 1714 | 1663 |
| 694 | Geriatric Pharmacology | 2 | 43 | 298 | 374 |
| 694 | Quality Control | 2 | 43 | 1975 | 2135 |
| 694 | Medical Ethics | 13 | 43 | 467 | 1113 |
| 694 | food handling | 2 | 43 | 1078 | 1398 |
| 694 | Elderly | 2 | 43 | 1325 | 892 |
| 694 | older people | 2 | 43 | 1675 | 1361 |
| 694 | Forest genetics | 2 | 43 | 340 | 312 |
| 701 | Tissue Engineering | 1 | 42 | 611 | 494 |
| 701 | monitoring | 2 | 42 | 335 | 298 |
| 703 | Political Economy | 5 | 41 | 81 | 123 |
| 703 | Sensor Networks | 1 | 41 | 528 | 309 |
| 703 | Measurement | 2 | 41 | 1610 | 1619 |
| 703 | Mycology | 3 | 41 | 1399 | 1693 |
| 703 | biochemical markers | 3 | 41 | 586 | 804 |
| 703 | World Wide Web | 3 | 41 | 402 | 428 |
| 709 | Bioenergetics | 4 | 40 | 689 | 1189 |
| 709 | Molecular Spectroscopy | 2 | 40 | 2023 | 2097 |
| 711 | Geography | 3 | 39 | 1859 | 2212 |
| 711 | Cloud Computing | 1 | 39 | 640 | 576 |
| 711 | Nuclear Chemistry | 3 | 39 | 1056 | 1015 |
| 711 | Radiochemistry | 3 | 39 | 960 | 923 |
| 711 | adolescence | 2 | 39 | 1084 | 1175 |
| 711 | Youth | 2 | 39 | 799 | 939 |
| 711 | herbicides | 1 | 39 | 404 | 333 |
| 711 | Bones | 1 | 39 | 952 | 1008 |
| 719 | Genetic markers | 1 | 38 | 513 | 389 |
| 719 | Islam | 1 | 38 | 859 | 477 |
| 721 | Global Health | 2 | 37 | 1241 | 1244 |
| 721 | Morphology | 3 | 37 | 892 | 926 |
| 721 | Cell division | 1 | 37 | 615 | 643 |
| 721 | Pathogens | 2 | 37 | 133 | 217 |
| 725 | Drug delivery devices | 1 | 36 | 473 | 580 |
| 725 | Agricultural systems | 1 | 36 | 530 | 615 |
| 727 | Game Theory | 1 | 35 | 898 | 640 |
| 727 | Educational Technology | 3 | 35 | 1652 | 2176 |
| 727 | Quantum Chemistry | 2 | 35 | 191 | 249 |
| 730 | Public Policy | 6 | 34 | 1147 | 2230 |
| 730 | Radiation Protection | 6 | 34 | 349 | 568 |
| 730 | Human-Computer Interaction | 2 | 34 | 1807 | 2017 |
| 730 | radiation monitoring | 4 | 34 | 439 | 528 |
| 730 | Research Design | 2 | 34 | 1253 | 1443 |
| 730 | Electrochemical Analysis | 2 | 34 | 1773 | 1928 |
| 730 | Post-traumatic stress disorder | 2 | 34 | 870 | 1064 |
| 730 | Radiation dosimetry | 4 | 34 | 333 | 417 |
| 738 | Gerontology | 3 | 33 | 1688 | 1903 |
| 738 | Sedimentary rocks | 1 | 33 | 907 | 861 |
| 738 | Yeast | 1 | 33 | 665 | 686 |
| 741 | Forensic Psychology | 1 | 32 | 630 | 501 |
| 741 | Topology | 5 | 32 | 254 | 341 |
| 741 | pain management | 1 | 32 | 856 | 757 |
| 741 | body temperature | 2 | 32 | 696 | 869 |
| 741 | organization | 1 | 32 | 1275 | 1256 |
| 741 | Chronic diseases | 1 | 32 | 811 | 842 |
| 747 | Emerging infectious diseases | 3 | 31 | 282 | 598 |
| 747 | Chemical processes | 2 | 31 | 722 | 794 |
| 749 | reasoning | 5 | 30 | 262 | 631 |
| 749 | disabilities | 3 | 30 | 665 | 996 |
| 749 | Heterocyclic compounds | 2 | 30 | 1205 | 1148 |
| 752 | Total Quality Management | 1 | 29 | 1084 | 1011 |
| 752 | Cognitive Science | 1 | 29 | 2263 | 2194 |
| 752 | transgenic organisms | 1 | 29 | 446 | 507 |
| 752 | Cognitive Therapy | 1 | 29 | 984 | 885 |
| 752 | transgenic animals | 1 | 29 | 434 | 490 |
| 752 | Cognitive neuroscience | 1 | 29 | 1331 | 1328 |
| 752 | Transgenic plants | 1 | 29 | 712 | 799 |
| 752 | Cognition | 1 | 29 | 2201 | 2017 |
| 752 | Phylogeny | 1 | 29 | 1263 | 1417 |
| 761 | Nanochemistry | 4 | 28 | 1092 | 1804 |
| 761 | Radiation Oncology | 1 | 28 | 530 | 533 |
| 761 | Geomagnetism | 1 | 28 | 772 | 773 |
| 761 | city planning | 5 | 28 | 1194 | 2064 |
| 761 | optical devices | 2 | 28 | 621 | 718 |
| 766 | Medical Physics | 1 | 27 | 1843 | 1779 |
| 766 | Nanophotonics | 1 | 27 | 552 | 610 |
| 766 | Mutagenesis | 1 | 27 | 790 | 742 |
| 766 | calcification | 2 | 27 | 550 | 755 |
| 766 | isomerism | 3 | 27 | 312 | 529 |
| 766 | economic conditions | 1 | 27 | 809 | 717 |
| 766 | Chirality | 3 | 27 | 312 | 529 |
| 766 | Economic planning | 3 | 27 | 508 | 945 |
| 774 | Biopharmaceutics | 1 | 26 | 1459 | 1586 |
| 774 | Neurogenetics | 1 | 26 | 523 | 497 |
| 774 | Building Materials | 1 | 26 | 2189 | 2361 |
| 774 | Plant Biotechnology | 1 | 26 | 1208 | 1193 |
| 774 | Soil biology | 1 | 26 | 1229 | 1440 |
| 774 | Nutrigenomics | 1 | 26 | 220 | 287 |
| 774 | educational planning | 1 | 26 | 727 | 749 |
| 781 | Molecular Pharmacology | 3 | 25 | 754 | 1300 |
| 781 | Embedded Systems | 2 | 25 | 263 | 293 |
| 781 | Pediatric Hematology | 2 | 25 | 429 | 408 |
| 781 | Psychosomatic Medicine | 1 | 25 | 1062 | 1134 |
| 781 | Genetic disorders | 1 | 25 | 569 | 614 |
| 781 | Plant breeding | 2 | 25 | 862 | 1131 |
| 781 | Small Business | 1 | 25 | 1148 | 1400 |
| 781 | clay | 1 | 25 | 1271 | 1491 |
| 781 | scientific societies | 1 | 25 | 1130 | 1119 |
| 781 | Chemical industry | 1 | 25 | 1879 | 1682 |
| 781 | Population | 2 | 25 | 1015 | 1362 |
| 792 | Physical Therapy | 2 | 24 | 1360 | 1618 |
| 792 | Social welfare | 2 | 24 | 700 | 814 |
| 792 | Helminthology | 1 | 24 | 146 | 82 |
| 792 | Helminths | 1 | 24 | 146 | 82 |
| 792 | violence | 1 | 24 | 1462 | 1469 |
| 792 | Aggression | 1 | 24 | 803 | 890 |
| 792 | planning | 2 | 24 | 968 | 1250 |
| 792 | hygiene | 1 | 24 | 861 | 893 |
| 792 | Digestive system diseases | 1 | 24 | 1067 | 1089 |
| 801 | Hydrogeology | 2 | 23 | 794 | 1089 |
| 801 | Mobile Computing | 3 | 23 | 1078 | 1490 |
| 801 | Asthma | 2 | 23 | 741 | 922 |
| 801 | Volcanoes | 2 | 23 | 351 | 508 |
| 801 | Drug discovery | 3 | 23 | 207 | 504 |
| 801 | Animal | 1 | 23 | 335 | 369 |
| 807 | Ergonomics | 2 | 22 | 1038 | 1297 |
| 807 | Fluid Dynamics | 1 | 22 | 1543 | 1476 |
| 807 | Marine biodiversity | 2 | 22 | 265 | 330 |
| 807 | Environmental Geochemistry | 1 | 22 | 1089 | 1118 |
| 807 | paraphilias | 1 | 22 | 328 | 396 |
| 807 | psychotherapy | 1 | 22 | 1695 | 1589 |
| 807 | Marriage counseling | 1 | 22 | 548 | 577 |
| 814 | Soil Science | 1 | 21 | 2440 | 2483 |
| 814 | Bioethics | 7 | 21 | 565 | 1256 |
| 814 | Learning disabilities | 1 | 21 | 1174 | 1151 |
| 814 | Social Change | 1 | 21 | 1629 | 1993 |
| 814 | Formal Languages | 11 | 21 | 76 | 355 |
| 814 | Mechanics | 2 | 21 | 1556 | 1664 |
| 814 | industrial relations | 2 | 21 | 1006 | 1229 |
| 814 | disease vectors | 2 | 21 | 1064 | 1548 |
| 814 | Landslides | 2 | 21 | 310 | 617 |
| 814 | sexual behavior | 1 | 21 | 1069 | 1124 |
| 814 | Zoonoses | 2 | 21 | 350 | 616 |
| 825 | Law | 7 | 20 | 809 | 1143 |
| 825 | Nursing | 2 | 20 | 2118 | 2331 |
| 825 | Animal Biotechnology | 1 | 20 | 326 | 353 |
| 825 | reforestation | 2 | 20 | 187 | 325 |
| 825 | Law and Economics | 1 | 20 | 567 | 424 |
| 825 | Technological Innovations | 2 | 20 | 1314 | 1785 |
| 825 | Carbon | 1 | 20 | 1736 | 2096 |
| 825 | afforestation | 2 | 20 | 187 | 325 |
| 825 | fishing industry | 1 | 20 | 238 | 240 |
| 825 | Middle East | 1 | 20 | 1636 | 1277 |
| 825 | Spine | 1 | 20 | 812 | 929 |
| 825 | Metals | 1 | 20 | 2543 | 2438 |
| 837 | Health Services Administration | 1 | 19 | 1551 | 1600 |
| 837 | Developmental Toxicology | 2 | 19 | 53 | 145 |
| 837 | Marine Biotechnology | 2 | 19 | 278 | 564 |
| 837 | Leadership | 1 | 19 | 959 | 1126 |
| 837 | Laser therapy | 1 | 19 | 740 | 695 |
| 837 | Reproductive toxicology | 2 | 19 | 522 | 863 |
| 837 | Calorimetry | 2 | 19 | 1495 | 1806 |
| 837 | teratogens | 2 | 19 | 53 | 145 |
| 837 | women | 1 | 19 | 1472 | 1164 |
| 837 | Thermal analysis | 2 | 19 | 1495 | 1806 |
| 847 | Cybernetics | 1 | 18 | 2192 | 2259 |
| 847 | Depression | 1 | 18 | 574 | 799 |
| 847 | Microcirculation | 4 | 18 | 378 | 846 |
| 847 | Cardiac electrophysiology | 2 | 18 | 257 | 433 |
| 847 | Marine invertebrates | 1 | 18 | 442 | 414 |
| 847 | Anxiety Disorders | 1 | 18 | 752 | 1008 |
| 847 | Anxiety | 1 | 18 | 756 | 1009 |
| 847 | Hospitality industry | 1 | 18 | 812 | 1017 |
| 847 | Antigens | 2 | 18 | 768 | 1029 |
| 847 | arrhythmia | 2 | 18 | 257 | 433 |
| 847 | Muscles | 2 | 18 | 830 | 1209 |
| 847 | language | 1 | 18 | 1257 | 1261 |
| 859 | Infection control | 1 | 17 | 588 | 793 |
| 859 | Supramolecular chemistry | 2 | 17 | 335 | 466 |
| 859 | biomedicine | 1 | 17 | 871 | 1085 |
| 862 | Computer Engineering | 1 | 16 | 1685 | 1684 |
| 862 | Marine Geology | 3 | 16 | 579 | 989 |
| 862 | Regional Economics | 3 | 16 | 471 | 875 |
| 862 | Petroleum Geology | 3 | 16 | 490 | 852 |
| 862 | Forensic Psychiatry | 1 | 16 | 800 | 814 |
| 862 | Forensic Pathology | 2 | 16 | 185 | 291 |
| 862 | Plate Tectonics | 1 | 16 | 477 | 534 |
| 862 | Neuromuscular diseases | 1 | 16 | 797 | 912 |
| 862 | ovary | 2 | 16 | 249 | 525 |
| 862 | venom | 1 | 16 | 1228 | 1376 |
| 862 | Toxins | 1 | 16 | 1358 | 1521 |
| 862 | packaging | 1 | 16 | 257 | 348 |
| 874 | sedimentary basins | 1 | 15 | 323 | 442 |
| 874 | blood transfusion | 1 | 15 | 758 | 801 |
| 874 | feeding behavior | 2 | 15 | 845 | 1390 |
| 874 | bats | 1 | 15 | 237 | 305 |
| 874 | Ion channels | 1 | 15 | 215 | 299 |
| 874 | Blood vessels | 3 | 15 | 371 | 776 |
| 874 | Statistical models | 1 | 15 | 201 | 228 |
| 874 | Appetite | 2 | 15 | 737 | 1267 |
| 882 | Archaeology | 6 | 14 | 894 | 1621 |
| 882 | Materials Engineering | 1 | 14 | 1304 | 1346 |
| 882 | Ecological Engineering | 2 | 14 | 790 | 1517 |
| 882 | Urban Policy | 1 | 14 | 1390 | 1661 |
| 882 | Nondestructive testing | 1 | 14 | 1076 | 1158 |
| 882 | International Law | 5 | 14 | 287 | 333 |
| 882 | Ichthyology | 1 | 14 | 776 | 734 |
| 882 | Rock deformation | 1 | 14 | 374 | 526 |
| 882 | Solitons | 3 | 14 | 1247 | 2003 |
| 882 | Fractals | 3 | 14 | 1254 | 2004 |
| 882 | Echocardiography | 2 | 14 | 121 | 266 |
| 882 | Chaos | 3 | 14 | 1247 | 2003 |
| 882 | Plastics | 1 | 14 | 2293 | 2379 |
| 882 | Comparative Law | 5 | 14 | 180 | 208 |
| 882 | urban forestry | 1 | 14 | 553 | 686 |
| 882 | software | 1 | 14 | 1585 | 1904 |
| 882 | Catalysts | 1 | 14 | 1116 | 1270 |
| 882 | Fish | 1 | 14 | 613 | 627 |
| 882 | Pregnancy | 1 | 14 | 1251 | 1441 |
| 901 | Energy Conversion | 1 | 13 | 1606 | 1942 |
| 901 | Energy Storage | 1 | 13 | 1760 | 1988 |
| 901 | Applied Linguistics | 2 | 13 | 772 | 967 |
| 901 | Particle Physics | 3 | 13 | 215 | 429 |
| 901 | cosmic rays | 1 | 13 | 682 | 753 |
| 901 | Lymphoma | 5 | 13 | 230 | 517 |
| 901 | Multiple Myeloma | 5 | 13 | 228 | 511 |
| 901 | Radiation | 2 | 13 | 2284 | 2836 |
| 901 | Coral reef biology | 1 | 13 | 473 | 622 |
| 901 | fuel cells | 1 | 13 | 1636 | 1963 |
| 901 | Mitochondria | 1 | 13 | 501 | 717 |
| 901 | commerce | 2 | 13 | 1910 | 2539 |
| 901 | Elementary particles | 3 | 13 | 164 | 362 |
| 914 | Requirements Engineering | 1 | 12 | 160 | 264 |
| 914 | Optical Communications | 1 | 12 | 1192 | 1271 |
| 914 | Molecular recognition | 1 | 12 | 450 | 603 |
| 914 | System analysis | 3 | 12 | 2252 | 3391 |
| 914 | exobiology | 1 | 12 | 470 | 613 |
| 914 | Antibodies | 1 | 12 | 758 | 911 |
| 914 | Linguistic universals | 3 | 12 | 24 | 43 |
| 914 | Steroids | 2 | 12 | 994 | 1562 |
| 914 | chemical pollution | 1 | 12 | 12 | 51 |
| 914 | recreation | 1 | 12 | 1054 | 1137 |
| 914 | Leisure | 1 | 12 | 581 | 816 |
| 914 | Gastrointestinal diseases | 1 | 12 | 948 | 1044 |
| 926 | Audiology | 2 | 11 | 804 | 1119 |
| 926 | Graph Theory | 1 | 11 | 1181 | 1040 |
| 926 | Political Sociology | 1 | 11 | 797 | 841 |
| 926 | Atmospheric Physics | 1 | 11 | 1880 | 2208 |
| 926 | Neurovirology | 1 | 11 | 402 | 532 |
| 926 | Animal Nutrition | 1 | 11 | 858 | 1037 |
| 926 | Operator theory | 1 | 11 | 818 | 680 |
| 926 | Animal breeding | 1 | 11 | 1097 | 1297 |
| 926 | Contraception | 1 | 11 | 874 | 1143 |
| 926 | Political Culture | 1 | 11 | 83 | 77 |
| 926 | Ornithology | 2 | 11 | 1029 | 1333 |
| 926 | Animal genetics | 1 | 11 | 843 | 1092 |
| 926 | Culture | 1 | 11 | 1695 | 1582 |
| 926 | Maps | 1 | 11 | 326 | 409 |
| 940 | Urban Planning | 1 | 10 | 695 | 953 |
| 940 | Agricultural Ecology | 1 | 10 | 1495 | 2003 |
| 940 | Veterinary Immunology | 1 | 10 | 532 | 718 |
| 940 | Health Education | 4 | 10 | 1432 | 2660 |
| 940 | community development | 1 | 10 | 1018 | 1209 |
| 940 | Economic Integration | 1 | 10 | 174 | 149 |
| 940 | Housing | 1 | 10 | 835 | 1105 |
| 940 | Luminescence | 1 | 10 | 1941 | 2204 |
| 940 | Earthquakes | 1 | 10 | 583 | 685 |
| 940 | Germany | 1 | 10 | 1136 | 904 |
| 940 | heredity | 1 | 10 | 995 | 1194 |
| 940 | India | 1 | 10 | 2464 | 2323 |
| 940 | Agriculture | 1 | 10 | 2857 | 3174 |
| 953 | Demography | 2 | 9 | 761 | 1210 |
| 953 | Labor Economics | 1 | 9 | 830 | 939 |
| 953 | Green Technology | 1 | 9 | 869 | 1296 |
| 953 | Ubiquitous computing | 1 | 9 | 610 | 611 |
| 953 | Tropical Medicine | 2 | 9 | 1827 | 2682 |
| 953 | Auditing | 1 | 9 | 645 | 817 |
| 953 | mathematical concepts | 1 | 9 | 725 | 831 |
| 960 | Anthropology | 4 | 8 | 1274 | 2202 |
| 960 | Cardiovascular Pharmacology | 2 | 8 | 315 | 628 |
| 960 | Photography | 3 | 8 | 985 | 1016 |
| 960 | Internet of Things | 1 | 8 | 1576 | 1945 |
| 960 | Analytical Toxicology | 1 | 8 | 348 | 533 |
| 960 | Oral Pathology | 1 | 8 | 183 | 312 |
| 960 | Organizational learning | 1 | 8 | 990 | 1305 |
| 960 | Knowledge management | 1 | 8 | 1027 | 1303 |
| 960 | Multimedia Systems | 1 | 8 | 2552 | 2864 |
| 960 | Erosion | 1 | 8 | 241 | 511 |
| 960 | Fungi | 1 | 8 | 1391 | 1782 |
| 960 | economic development projects | 1 | 8 | 390 | 624 |
| 972 | Structural Engineering | 1 | 7 | 2049 | 2377 |
| 972 | Ethics | 2 | 7 | 1108 | 1824 |
| 972 | Historic Preservation | 1 | 7 | 267 | 409 |
| 972 | Paleobiology | 1 | 7 | 610 | 733 |
| 972 | Open source software | 1 | 7 | 159 | 121 |
| 972 | Neural circuitry | 2 | 7 | 2288 | 3238 |
| 972 | Immunogenetics | 2 | 7 | 660 | 1067 |
| 972 | Ocean Engineering | 1 | 7 | 2074 | 2527 |
| 972 | Autoantibodies | 1 | 7 | 735 | 1052 |
| 972 | breastfeeding | 1 | 7 | 817 | 1103 |
| 972 | Financial Institutions | 1 | 7 | 744 | 990 |
| 983 | Criminology | 1 | 6 | 1325 | 1562 |
| 983 | Structuralism | 1 | 6 | 287 | 502 |
| 983 | Landscape Architecture | 1 | 6 | 338 | 379 |
| 983 | Mathematical Economics | 1 | 6 | 502 | 597 |
| 983 | Language Acquisition | 1 | 6 | 603 | 795 |
| 983 | Neuroimaging | 1 | 6 | 448 | 618 |
| 983 | Remote Sensing | 3 | 6 | 1446 | 2399 |
| 983 | Photogrammetry | 3 | 6 | 838 | 1225 |
| 983 | ecological risk assessment | 2 | 6 | 322 | 862 |
| 983 | Bilingualism | 1 | 6 | 307 | 516 |
| 983 | Chromosome mapping | 1 | 6 | 2190 | 2881 |
| 983 | orphan drugs | 1 | 6 | 148 | 155 |
| 983 | DNA methylation | 1 | 6 | 457 | 721 |
| 983 | Developmental Disabilities | 1 | 6 | 1346 | 1842 |
| 983 | Child psychology | 1 | 6 | 1873 | 2380 |
| 983 | DNS | 1 | 6 | 805 | 1157 |
| 983 | China | 1 | 6 | 3586 | 4286 |
| 983 | Health Risk Assessment | 2 | 6 | 590 | 1265 |