| 1 | Renewable Energy Sources | 250 | 34.8K | 36 | 13 |
| 2 | Medicine | 632 | 19.1K | 461 | 580 |
| 3 | Chemistry | 435 | 16.5K | 823 | 872 |
| 4 | Biochemistry | 378 | 15.1K | 825 | 755 |
| 5 | Science | 546 | 14.7K | 510 | 891 |
| 6 | Research | 642 | 12.8K | 351 | 548 |
| 7 | Chemical Engineering | 266 | 12.8K | 355 | 307 |
| 8 | Molecular Biology | 320 | 11.3K | 667 | 767 |
| 9 | Physics | 329 | 10.7K | 918 | 1152 |
| 10 | Biology | 215 | 10.2K | 900 | 1046 |
| 11 | Ecology | 183 | 9.7K | 683 | 679 |
| 12 | Biophysics | 184 | 9.6K | 679 | 463 |
| 13 | Water | 80 | 8.9K | 326 | 166 |
| 14 | Environment | 117 | 7.7K | 636 | 639 |
| 15 | Biotechnology | 188 | 7.2K | 523 | 637 |
| 16 | Engineering | 298 | 7.2K | 115 | 121 |
| 17 | Pollution | 197 | 6.8K | 467 | 655 |
| 18 | Polymers | 216 | 6.2K | 459 | 456 |
| 19 | Materials | 443 | 6.2K | 376 | 829 |
| 20 | Biochemical Engineering | 87 | 5.7K | 468 | 454 |
| 21 | Environmental Health | 178 | 5.6K | 438 | 596 |
| 22 | mass transfer | 90 | 5.4K | 136 | 84 |
| 23 | Solar Energy | 97 | 5.4K | 50 | 40 |
| 24 | environmental protection | 130 | 5.3K | 211 | 223 |
| 25 | Public Health | 229 | 5.3K | 392 | 510 |
| 26 | polymerization | 165 | 5.2K | 440 | 420 |
| 27 | environmental pollution | 135 | 5.0K | 426 | 512 |
| 28 | Building Materials | 69 | 4.8K | 226 | 147 |
| 29 | Oncology | 20 | 4.8K | 651 | 369 |
| 30 | Environmental monitoring | 119 | 4.6K | 300 | 390 |
| 31 | Biomass Energy | 77 | 4.5K | 235 | 244 |
| 32 | Pharmacology | 101 | 4.3K | 848 | 691 |
| 33 | Nutrition | 117 | 4.2K | 469 | 500 |
| 34 | Asia | 264 | 4.0K | 38 | 56 |
| 35 | Electrochemistry | 159 | 3.9K | 511 | 475 |
| 36 | Artificial Intelligence | 110 | 3.9K | 379 | 406 |
| 37 | Mathematics | 184 | 3.8K | 877 | 594 |
| 38 | Nanotechnology | 174 | 3.8K | 577 | 929 |
| 39 | Environmental Management | 69 | 3.5K | 355 | 331 |
| 40 | Microbiology | 126 | 3.5K | 885 | 1135 |
| 41 | Climatology | 64 | 3.4K | 254 | 222 |
| 42 | Information Science | 81 | 3.4K | 217 | 198 |
| 43 | Environmental Policy | 83 | 3.3K | 357 | 468 |
| 44 | Technology | 169 | 3.3K | 269 | 414 |
| 45 | Meteorology | 66 | 3.3K | 364 | 349 |
| 46 | Epidemiology | 117 | 3.3K | 387 | 434 |
| 47 | Biomedical Engineering | 105 | 3.2K | 695 | 724 |
| 48 | Bioengineering | 99 | 3.2K | 541 | 752 |
| 49 | Alternative Medicine | 85 | 3.1K | 50 | 37 |
| 50 | complementary therapies | 85 | 3.0K | 63 | 42 |
| 51 | Energy Policy | 57 | 2.9K | 391 | 390 |
| 52 | Catalysis | 53 | 2.8K | 1008 | 869 |
| 53 | China | 92 | 2.8K | 267 | 183 |
| 54 | Composite Materials | 88 | 2.8K | 380 | 488 |
| 55 | Biocompatible Materials | 60 | 2.7K | 830 | 879 |
| 56 | Analytical Chemistry | 62 | 2.6K | 1032 | 837 |
| 57 | Psychiatry | 108 | 2.6K | 538 | 737 |
| 58 | computer networks | 36 | 2.6K | 591 | 246 |
| 59 | Materials Science | 101 | 2.6K | 733 | 918 |
| 60 | actuators | 90 | 2.5K | 172 | 279 |
| 60 | transducers | 90 | 2.5K | 172 | 279 |
| 62 | Optics | 134 | 2.4K | 612 | 643 |
| 63 | food technology | 71 | 2.4K | 330 | 350 |
| 64 | Earth Sciences | 100 | 2.4K | 390 | 530 |
| 65 | energy conservation | 47 | 2.3K | 318 | 376 |
| 66 | Recycling | 22 | 2.3K | 93 | 56 |
| 67 | Environmental Engineering | 88 | 2.2K | 436 | 690 |
| 68 | Numerical Analysis | 54 | 2.2K | 377 | 181 |
| 69 | Colloids | 63 | 2.1K | 844 | 886 |
| 70 | Neural circuitry | 43 | 2.1K | 301 | 234 |
| 71 | Geophysics | 97 | 2.1K | 587 | 751 |
| 72 | Pharmaceutical Chemistry | 52 | 2.0K | 820 | 703 |
| 73 | Water quality management | 48 | 1.9K | 217 | 138 |
| 74 | Economics | 59 | 1.9K | 966 | 749 |
| 75 | Diet | 36 | 1.8K | 431 | 454 |
| 76 | Mechanical Engineering | 62 | 1.8K | 388 | 235 |
| 77 | Food | 64 | 1.7K | 457 | 629 |
| 78 | management | 54 | 1.7K | 720 | 887 |
| 79 | Cellulose | 25 | 1.7K | 76 | 55 |
| 80 | Wireless Communication Systems | 63 | 1.7K | 378 | 400 |
| 81 | Optical materials | 57 | 1.7K | 497 | 670 |
| 82 | Pharmacy | 36 | 1.6K | 462 | 322 |
| 83 | Electrical Engineering | 66 | 1.6K | 604 | 391 |
| 84 | Social Sciences | 136 | 1.6K | 246 | 455 |
| 85 | Metabolism | 27 | 1.5K | 763 | 695 |
| 86 | Genomics | 36 | 1.5K | 743 | 629 |
| 87 | Botany | 55 | 1.5K | 926 | 1045 |
| 88 | Surface Chemistry | 42 | 1.5K | 1119 | 1057 |
| 89 | Sustainable Development | 34 | 1.4K | 294 | 354 |
| 90 | Hazardous waste | 18 | 1.4K | 214 | 131 |
| 91 | Toxicology | 52 | 1.4K | 1035 | 1194 |
| 92 | Atmospheric Physics | 45 | 1.4K | 320 | 403 |
| 93 | Pharmacognosy | 45 | 1.4K | 294 | 374 |
| 94 | Cytology | 45 | 1.3K | 1007 | 1245 |
| 94 | lasers | 63 | 1.3K | 311 | 310 |
| 96 | Water pollution | 47 | 1.3K | 579 | 775 |
| 97 | Radiation | 50 | 1.3K | 335 | 285 |
| 98 | radioactive waste | 12 | 1.3K | 277 | 150 |
| 98 | industrial waste | 12 | 1.3K | 296 | 152 |
| 100 | Humanities | 117 | 1.3K | 12 | 54 |
| 101 | Islam | 48 | 1.3K | 15 | 8 |
| 102 | Endocrinology | 73 | 1.2K | 489 | 829 |
| 103 | Pharmaceutical Technology | 17 | 1.2K | 543 | 277 |
| 104 | marketing | 49 | 1.2K | 354 | 550 |
| 104 | Aging | 42 | 1.2K | 582 | 606 |
| 106 | Mechanics | 25 | 1.2K | 310 | 137 |
| 107 | Microwaves | 65 | 1.2K | 220 | 234 |
| 108 | Neurology | 35 | 1.2K | 1356 | 1395 |
| 109 | Cell Biology | 29 | 1.2K | 1164 | 1312 |
| 110 | Engineering Mathematics | 32 | 1.2K | 411 | 239 |
| 111 | Organic Chemistry | 57 | 1.1K | 733 | 861 |
| 112 | Medicinal plants | 33 | 1.1K | 221 | 284 |
| 113 | Electronics | 55 | 1.1K | 736 | 787 |
| 113 | Statistical physics | 24 | 1.1K | 1331 | 958 |
| 115 | Biomass | 18 | 1.1K | 115 | 86 |
| 116 | Marine Biology | 55 | 1.1K | 528 | 706 |
| 117 | Manufacturing Processes | 34 | 1.1K | 586 | 527 |
| 118 | Bioinformatics | 16 | 1.1K | 794 | 522 |
| 119 | Solid State Physics | 89 | 1.1K | 812 | 1099 |
| 120 | commerce | 34 | 1.1K | 233 | 345 |
| 121 | Quality Control | 37 | 1.1K | 224 | 252 |
| 122 | Bioorganic chemistry | 27 | 1.0K | 922 | 797 |
| 123 | nucleic acids | 12 | 1.0K | 760 | 614 |
| 124 | bioclimatology | 23 | 1.0K | 133 | 85 |
| 125 | Sociology | 88 | 1.0K | 386 | 686 |
| 126 | gene mapping | 23 | 1.0K | 561 | 546 |
| 127 | Industrial Microbiology | 33 | 984 | 376 | 569 |
| 128 | Evidence-Based Medicine | 20 | 981 | 135 | 57 |
| 129 | Environmental Toxicology | 44 | 977 | 397 | 718 |
| 130 | Photonics | 26 | 975 | 620 | 632 |
| 130 | drugs | 17 | 975 | 719 | 427 |
| 132 | Semiconductors | 48 | 972 | 358 | 311 |
| 133 | Primary health care | 44 | 971 | 283 | 312 |
| 133 | Detectors | 43 | 971 | 200 | 243 |
| 135 | Genetics | 29 | 965 | 997 | 1178 |
| 136 | Medical Technology | 16 | 962 | 499 | 279 |
| 137 | Entropy | 24 | 958 | 177 | 42 |
| 138 | vascular diseases | 3 | 946 | 605 | 209 |
| 139 | Telecommunication Systems | 34 | 938 | 282 | 196 |
| 140 | Education | 77 | 934 | 570 | 789 |
| 141 | Structural Engineering | 35 | 924 | 393 | 411 |
| 142 | Immunology | 19 | 921 | 1110 | 1022 |
| 143 | Mathematical Physics | 29 | 919 | 1005 | 730 |
| 144 | Geriatrics | 52 | 918 | 526 | 693 |
| 145 | finance | 36 | 915 | 580 | 577 |
| 146 | Nanoparticles | 29 | 913 | 452 | 526 |
| 147 | Fuzzy systems | 37 | 907 | 201 | 134 |
| 148 | Lipids | 23 | 905 | 317 | 365 |
| 148 | cytokines | 14 | 905 | 408 | 277 |
| 150 | Obesity | 19 | 904 | 642 | 598 |
| 151 | concrete | 13 | 902 | 385 | 336 |
| 151 | Diabetes | 24 | 902 | 603 | 662 |
| 153 | Nanostructured Materials | 38 | 900 | 915 | 1102 |
| 154 | Astrophysics | 68 | 899 | 816 | 1167 |
| 155 | Heat Exchangers | 21 | 893 | 360 | 337 |
| 156 | Economic History | 64 | 873 | 526 | 720 |
| 157 | Natural history | 22 | 870 | 1070 | 1951 |
| 158 | Drug design | 13 | 867 | 610 | 333 |
| 159 | Child | 31 | 861 | 605 | 559 |
| 159 | Food service management | 6 | 861 | 237 | 112 |
| 161 | Psychology | 53 | 841 | 1047 | 1326 |
| 162 | Telecommunication | 29 | 837 | 781 | 765 |
| 163 | Drug delivery systems | 27 | 826 | 339 | 488 |
| 164 | Nuclear Physics | 50 | 824 | 1318 | 1489 |
| 165 | Social Psychology | 19 | 822 | 803 | 735 |
| 166 | Plastics | 49 | 820 | 203 | 323 |
| 167 | Cross-Cultural Studies | 17 | 812 | 129 | 70 |
| 168 | Electromagnetism | 26 | 811 | 252 | 208 |
| 169 | Chemical analysis | 3 | 808 | 1097 | 214 |
| 170 | Diabetes mellitus | 21 | 807 | 607 | 669 |
| 170 | health planning | 21 | 807 | 701 | 414 |
| 172 | Entomology | 55 | 806 | 390 | 481 |
| 173 | Spectrum analysis | 44 | 804 | 1219 | 1454 |
| 174 | Physical Chemistry | 16 | 795 | 938 | 722 |
| 175 | Cybernetics | 7 | 794 | 1033 | 490 |
| 176 | Solitons | 19 | 793 | 280 | 179 |
| 176 | Fractals | 19 | 793 | 284 | 179 |
| 176 | Chaos | 19 | 793 | 280 | 179 |
| 179 | Environmental Geology | 29 | 790 | 307 | 390 |
| 180 | Computer Science | 34 | 783 | 354 | 288 |
| 181 | Systems Engineering | 13 | 780 | 1005 | 546 |
| 182 | Medical genetics | 9 | 767 | 1143 | 940 |
| 182 | Boundary Value Problems | 14 | 767 | 259 | 132 |
| 184 | econometric models | 6 | 764 | 374 | 67 |
| 185 | personality | 13 | 762 | 693 | 592 |
| 186 | cross-cultural comparison | 15 | 751 | 105 | 45 |
| 187 | Business | 34 | 748 | 540 | 917 |
| 188 | Combustion | 14 | 747 | 517 | 344 |
| 189 | Health Services Research | 38 | 743 | 294 | 381 |
| 190 | Human genetics | 9 | 735 | 936 | 1189 |
| 191 | Chromosome mapping | 21 | 734 | 534 | 579 |
| 192 | environmental exposure | 28 | 733 | 418 | 561 |
| 193 | Marine Pollution | 25 | 725 | 299 | 403 |
| 194 | Metallurgy | 28 | 719 | 655 | 662 |
| 195 | nanoscience | 55 | 706 | 578 | 1176 |
| 196 | Environmental Chemistry | 17 | 705 | 700 | 854 |
| 197 | Adolescent | 26 | 703 | 547 | 558 |
| 198 | Agricultural Chemistry | 11 | 701 | 1131 | 736 |
| 199 | Geology | 53 | 692 | 754 | 1013 |
| 200 | Ceramic materials | 35 | 690 | 221 | 324 |
| 201 | Metals | 23 | 686 | 674 | 678 |
| 202 | Cement | 10 | 685 | 266 | 279 |
| 203 | Antenna Arrays | 10 | 683 | 252 | 136 |
| 204 | International Finance | 18 | 680 | 607 | 499 |
| 205 | Environmental pollutants | 19 | 679 | 753 | 759 |
| 206 | Multimedia Systems | 34 | 676 | 339 | 366 |
| 207 | Mental Disorders | 26 | 673 | 803 | 999 |
| 208 | Measurement | 26 | 671 | 293 | 275 |
| 209 | Microelectronics | 45 | 670 | 357 | 702 |
| 210 | Membranes | 11 | 669 | 890 | 737 |
| 211 | proteins | 17 | 665 | 762 | 616 |
| 212 | Pacific Islands | 47 | 661 | 11 | 13 |
| 213 | Calorimetry | 35 | 659 | 146 | 161 |
| 213 | Thermal analysis | 35 | 659 | 146 | 161 |
| 215 | global environmental change | 5 | 656 | 556 | 306 |
| 216 | Cognitive Science | 13 | 655 | 644 | 545 |
| 217 | environmental indicators | 9 | 654 | 601 | 363 |
| 218 | System analysis | 24 | 651 | 747 | 710 |
| 219 | cell interaction | 8 | 649 | 558 | 350 |
| 219 | Cell communication | 8 | 649 | 261 | 141 |
| 221 | Inflammation | 7 | 645 | 629 | 386 |
| 222 | Fracture mechanics | 26 | 640 | 432 | 434 |
| 223 | Solid State Chemistry | 39 | 636 | 684 | 809 |
| 224 | Quantum electronics | 25 | 635 | 467 | 397 |
| 225 | Photochemistry | 15 | 634 | 666 | 507 |
| 225 | Photobiology | 15 | 634 | 441 | 329 |
| 227 | Physiology | 31 | 632 | 1205 | 1515 |
| 227 | Pharmacokinetics | 5 | 632 | 597 | 202 |
| 229 | Algal blooms | 9 | 630 | 100 | 85 |
| 229 | Cyanobacteria | 9 | 630 | 100 | 85 |
| 229 | microalgae | 9 | 630 | 100 | 85 |
| 232 | Structural dynamics | 11 | 623 | 475 | 398 |
| 233 | Tissue Engineering | 10 | 600 | 97 | 74 |
| 233 | Regenerative Medicine | 10 | 600 | 32 | 8 |
| 235 | Fluid Mechanics | 16 | 599 | 625 | 465 |
| 235 | Porous materials | 44 | 599 | 36 | 83 |
| 237 | biological factors | 25 | 598 | 500 | 602 |
| 238 | Information Technology | 44 | 593 | 339 | 813 |
| 239 | Nuclear Engineering | 26 | 589 | 437 | 313 |
| 240 | Production Engineering | 27 | 587 | 534 | 524 |
| 241 | Hydrology | 29 | 586 | 670 | 865 |
| 242 | Nonlinear functional analysis | 7 | 583 | 773 | 226 |
| 243 | Molecular Genetics | 13 | 579 | 799 | 767 |
| 244 | Surface-Active Agents | 7 | 577 | 665 | 347 |
| 244 | Surface properties | 7 | 577 | 708 | 389 |
| 246 | pollutants | 14 | 576 | 741 | 727 |
| 247 | miniaturization | 21 | 575 | 599 | 831 |
| 248 | Geochemistry | 34 | 573 | 588 | 813 |
| 249 | Tourism | 23 | 565 | 442 | 720 |
| 250 | Operations Research | 15 | 564 | 1035 | 846 |
| 251 | cell adhesion molecules | 4 | 561 | 113 | 50 |
| 252 | United Kingdom | 10 | 559 | 719 | 572 |
| 253 | Intelligent Transportation Systems | 8 | 558 | 635 | 449 |
| 254 | Molecular Spectroscopy | 21 | 555 | 588 | 532 |
| 255 | Nuclear Energy | 25 | 553 | 242 | 215 |
| 255 | Parasitology | 31 | 553 | 588 | 738 |
| 257 | Ophthalmology | 23 | 552 | 590 | 635 |
| 258 | Egypt | 25 | 550 | 56 | 80 |
| 259 | Geotechnical Engineering | 2 | 548 | 560 | 152 |
| 260 | Clinical Chemistry | 24 | 541 | 832 | 1058 |
| 260 | carbon monoxide | 4 | 541 | 260 | 71 |
| 262 | solar power | 11 | 539 | 311 | 296 |
| 262 | solar cells | 11 | 539 | 352 | 334 |
| 264 | food handling | 15 | 532 | 247 | 289 |
| 265 | Insects | 34 | 525 | 267 | 397 |
| 266 | Automation | 20 | 524 | 865 | 1012 |
| 267 | Industrial Engineering | 23 | 515 | 524 | 652 |
| 268 | Educational Technology | 32 | 514 | 276 | 503 |
| 268 | coal | 20 | 514 | 537 | 763 |
| 270 | drug resistance | 5 | 512 | 474 | 174 |
| 271 | Tropical Medicine | 32 | 511 | 336 | 482 |
| 272 | pharmaceutical industry | 11 | 507 | 201 | 73 |
| 273 | Intelligent Control Systems | 25 | 505 | 172 | 131 |
| 273 | Chemical processes | 14 | 505 | 155 | 104 |
| 275 | Proteomics | 10 | 500 | 501 | 416 |
| 275 | Clinical Pharmacology | 22 | 500 | 358 | 410 |
| 275 | enzymes | 19 | 500 | 500 | 585 |
| 278 | air quality | 16 | 499 | 9 | 11 |
| 279 | Aquaculture | 22 | 497 | 444 | 512 |
| 280 | Mental Health Services | 13 | 495 | 467 | 357 |
| 281 | Signal Processing | 23 | 494 | 938 | 1105 |
| 282 | Molecular Pharmacology | 6 | 492 | 528 | 337 |
| 283 | Computational Biology | 26 | 491 | 681 | 962 |
| 283 | atmosphere | 16 | 491 | 221 | 235 |
| 285 | Zoology | 25 | 487 | 839 | 821 |
| 286 | Nuclear Chemistry | 39 | 486 | 156 | 223 |
| 286 | Radiochemistry | 39 | 486 | 136 | 181 |
| 288 | Medical Microbiology | 19 | 482 | 767 | 1031 |
| 289 | Microbial Ecology | 12 | 481 | 1034 | 1189 |
| 289 | vibration | 16 | 481 | 418 | 404 |
| 291 | human behavior | 10 | 480 | 1252 | 1304 |
| 291 | Stem cells | 11 | 480 | 641 | 597 |
| 291 | biological evolution | 17 | 480 | 768 | 1013 |
| 294 | medical education | 33 | 474 | 377 | 543 |
| 295 | Food additives | 8 | 471 | 581 | 471 |
| 296 | Atmospheric Chemistry | 10 | 467 | 461 | 520 |
| 296 | Microstructure | 18 | 467 | 190 | 96 |
| 298 | Infection control | 2 | 466 | 397 | 52 |
| 299 | Ecological Engineering | 9 | 462 | 252 | 226 |
| 300 | Computational Fluid Dynamics | 9 | 458 | 299 | 181 |
| 301 | Quality of life | 18 | 457 | 416 | 582 |
| 302 | natural disasters | 20 | 454 | 303 | 475 |
| 303 | Speech Disorders | 37 | 453 | 214 | 399 |
| 304 | Genetic engineering | 17 | 448 | 756 | 919 |
| 305 | United States | 32 | 445 | 1414 | 1812 |
| 306 | Molecular evolution | 13 | 444 | 612 | 704 |
| 307 | Ethnology | 25 | 440 | 343 | 311 |
| 308 | Drying | 15 | 433 | 90 | 99 |
| 309 | drug evaluation | 8 | 432 | 692 | 435 |
| 310 | Sexual health | 11 | 431 | 268 | 201 |
| 311 | Microbial Biotechnology | 23 | 428 | 128 | 283 |
| 312 | Traffic Engineering | 8 | 427 | 193 | 165 |
| 313 | Human-Computer Interaction | 16 | 426 | 501 | 576 |
| 313 | Behavior | 22 | 426 | 1074 | 1614 |
| 315 | Radio wave propagation | 15 | 424 | 243 | 154 |
| 316 | Japan | 25 | 420 | 397 | 427 |
| 317 | Medical Laboratory Science | 12 | 418 | 904 | 1012 |
| 317 | Health Information Management | 6 | 418 | 135 | 239 |
| 319 | Biopharmaceutics | 8 | 417 | 579 | 442 |
| 320 | Social Change | 7 | 414 | 630 | 616 |
| 321 | Hormones | 39 | 412 | 236 | 551 |
| 322 | Chemical industry | 22 | 410 | 342 | 332 |
| 323 | Power Electronics | 8 | 408 | 649 | 573 |
| 324 | particles | 13 | 405 | 327 | 264 |
| 325 | atmospheric models | 2 | 404 | 683 | 357 |
| 326 | Tribology | 21 | 401 | 351 | 418 |
| 327 | Metabolic diseases | 18 | 400 | 770 | 1085 |
| 328 | Library Science | 24 | 397 | 154 | 107 |
| 329 | Parasitic Diseases | 19 | 394 | 641 | 809 |
| 329 | Phylogeny | 10 | 394 | 402 | 469 |
| 331 | Mental Health | 11 | 393 | 724 | 549 |
| 332 | Parasites | 19 | 392 | 486 | 571 |
| 333 | hydrocolloids | 5 | 390 | 455 | 403 |
| 333 | Muscles | 3 | 390 | 695 | 406 |
| 335 | Alzheimer's disease | 12 | 389 | 621 | 445 |
| 336 | Biodiversity conservation | 4 | 388 | 1291 | 1052 |
| 337 | Immunotherapy | 14 | 380 | 694 | 884 |
| 338 | Language Disorders | 34 | 379 | 168 | 302 |
| 339 | Transportation | 3 | 378 | 1561 | 753 |
| 340 | Gastrointestinal diseases | 6 | 377 | 394 | 147 |
| 340 | Liver diseases | 6 | 377 | 796 | 739 |
| 342 | dietary supplements | 13 | 376 | 246 | 302 |
| 343 | Sarcopenia | 2 | 372 | 446 | 209 |
| 344 | mutation | 17 | 370 | 127 | 267 |
| 345 | Immunopharmacology | 11 | 369 | 451 | 403 |
| 346 | Green Technology | 14 | 368 | 45 | 48 |
| 347 | Optoelectronic devices | 21 | 365 | 194 | 155 |
| 348 | Pediatrics | 14 | 360 | 921 | 1081 |
| 348 | Australia | 23 | 360 | 455 | 583 |
| 350 | Stochastic Processes | 9 | 359 | 462 | 216 |
| 351 | Computer-Aided Design | 12 | 358 | 520 | 443 |
| 352 | energy development | 15 | 355 | 196 | 444 |
| 353 | Organometallic chemistry | 19 | 354 | 795 | 777 |
| 354 | Nanostructures | 25 | 353 | 520 | 1012 |
| 355 | rehabilitation | 20 | 351 | 692 | 946 |
| 356 | Zeolites | 5 | 349 | 713 | 467 |
| 357 | Civil Engineering | 26 | 348 | 385 | 342 |
| 357 | Cancer | 14 | 348 | 1224 | 1499 |
| 359 | Forest Ecology | 5 | 347 | 765 | 530 |
| 359 | Forest Management | 5 | 347 | 738 | 490 |
| 361 | Geodesy | 23 | 344 | 111 | 218 |
| 362 | Engineering Geology | 15 | 343 | 575 | 682 |
| 363 | Wildlife conservation | 8 | 342 | 639 | 693 |
| 363 | Investment analysis | 16 | 342 | 201 | 306 |
| 363 | natural products | 26 | 342 | 457 | 688 |
| 366 | drug therapy | 14 | 340 | 821 | 900 |
| 367 | Neurochemistry | 6 | 330 | 1485 | 1188 |
| 367 | Parenteral nutrition | 5 | 330 | 636 | 506 |
| 369 | Conservation Biology | 9 | 327 | 593 | 587 |
| 370 | industrial hygiene | 16 | 326 | 280 | 194 |
| 370 | Capital market | 9 | 326 | 161 | 163 |
| 372 | Health Policy | 19 | 323 | 720 | 908 |
| 373 | Magnetic Materials | 16 | 320 | 635 | 756 |
| 374 | Simulation Methods | 8 | 319 | 531 | 282 |
| 375 | Biosensors | 4 | 317 | 1083 | 933 |
| 376 | Oral Medicine | 25 | 316 | 104 | 176 |
| 377 | energy resources | 5 | 315 | 1026 | 1040 |
| 377 | Developing countries | 33 | 315 | 477 | 1028 |
| 379 | fuel cells | 18 | 314 | 438 | 810 |
| 380 | Coastal zone management | 8 | 313 | 340 | 254 |
| 381 | Soil Science | 10 | 310 | 985 | 1027 |
| 382 | Obstetrics | 23 | 309 | 685 | 948 |
| 383 | Environmental Microbiology | 7 | 306 | 817 | 910 |
| 384 | Planets | 9 | 304 | 834 | 931 |
| 385 | Enzyme | 12 | 302 | 155 | 279 |
| 386 | Image Processing | 13 | 301 | 1092 | 1211 |
| 386 | Marine resources | 5 | 301 | 466 | 273 |
| 388 | Evolutionary Computation | 3 | 298 | 467 | 336 |
| 388 | Swarm Intelligence | 3 | 298 | 280 | 128 |
| 390 | Women's health | 13 | 297 | 457 | 474 |
| 391 | Information Systems | 7 | 296 | 861 | 618 |
| 392 | Granular materials | 7 | 295 | 298 | 217 |
| 393 | Nonlinear Dynamics | 2 | 294 | 1979 | 1015 |
| 393 | Herbal medicine | 11 | 294 | 240 | 375 |
| 395 | Southeast Asia | 34 | 292 | 27 | 50 |
| 396 | Smart Materials | 16 | 290 | 287 | 405 |
| 397 | Cell differentiation | 6 | 289 | 914 | 990 |
| 397 | peptides | 8 | 289 | 374 | 206 |
| 399 | Histology | 12 | 288 | 852 | 981 |
| 400 | Production Management | 9 | 287 | 637 | 877 |
| 400 | plant oils | 19 | 287 | 56 | 73 |
| 402 | Microorganisms | 8 | 284 | 546 | 710 |
| 403 | Mineralogy | 7 | 283 | 842 | 685 |
| 403 | Waste management | 17 | 283 | 437 | 558 |
| 403 | Plant physiology | 19 | 283 | 829 | 1353 |
| 406 | Process Control | 9 | 281 | 480 | 723 |
| 406 | Hearing | 26 | 281 | 170 | 288 |
| 408 | Global Health | 16 | 279 | 306 | 339 |
| 408 | behavioral medicine | 5 | 279 | 907 | 835 |
| 410 | Vision | 2 | 278 | 720 | 370 |
| 411 | Electrochemical Analysis | 12 | 276 | 795 | 821 |
| 412 | Molecular Microbiology | 3 | 274 | 756 | 640 |
| 412 | Health | 15 | 274 | 820 | 1002 |
| 414 | DNA polymerases | 2 | 273 | 424 | 403 |
| 415 | soil microbiology | 6 | 271 | 968 | 1094 |
| 416 | Community Psychiatry | 7 | 270 | 507 | 498 |
| 417 | disease vectors | 15 | 268 | 312 | 470 |
| 418 | Cell division | 4 | 267 | 267 | 201 |
| 419 | Enteral nutrition | 2 | 266 | 848 | 493 |
| 420 | Green Chemistry | 7 | 264 | 1154 | 1254 |
| 421 | Rheumatology | 17 | 262 | 377 | 624 |
| 422 | Entrepreneurship | 8 | 261 | 534 | 738 |
| 422 | Chromosomes | 6 | 261 | 572 | 533 |
| 424 | Remote Sensing | 10 | 259 | 755 | 577 |
| 425 | Geographic information systems | 8 | 258 | 620 | 398 |
| 425 | Fiber Optics | 15 | 258 | 370 | 428 |
| 427 | food contamination | 13 | 257 | 304 | 358 |
| 428 | Urology | 9 | 255 | 765 | 746 |
| 428 | Orthopedics | 10 | 255 | 715 | 704 |
| 430 | Computer Engineering | 10 | 254 | 371 | 302 |
| 431 | Food Microbiology | 4 | 251 | 1005 | 891 |
| 431 | environmental remediation | 7 | 251 | 110 | 103 |
| 433 | brain mapping | 1 | 250 | 799 | 436 |
| 434 | hazard mitigation | 15 | 248 | 234 | 452 |
| 435 | Pesticides | 15 | 247 | 152 | 230 |
| 436 | Algae | 4 | 246 | 618 | 443 |
| 437 | Health Services Administration | 7 | 245 | 535 | 458 |
| 437 | economic policy | 37 | 245 | 520 | 969 |
| 439 | Optical Communications | 10 | 243 | 343 | 293 |
| 440 | Pathology | 9 | 241 | 997 | 1112 |
| 441 | Statistics | 24 | 239 | 959 | 1141 |
| 441 | Sociolinguistics | 23 | 239 | 70 | 194 |
| 443 | Food Preservation | 12 | 238 | 272 | 242 |
| 444 | mathematical analysis | 4 | 237 | 2144 | 1103 |
| 445 | Bioremediation | 8 | 235 | 379 | 467 |
| 445 | Molecular ecology | 4 | 235 | 828 | 801 |
| 445 | Host-parasite interactions | 5 | 235 | 811 | 905 |
| 448 | Optoelectronics | 15 | 231 | 134 | 101 |
| 448 | Seaweed | 3 | 231 | 533 | 385 |
| 450 | Plasma chemistry | 7 | 228 | 220 | 180 |
| 451 | Analytical Biochemistry | 11 | 224 | 827 | 950 |
| 452 | Mycology | 10 | 222 | 809 | 963 |
| 453 | Mineral resources | 10 | 220 | 192 | 408 |
| 454 | Korea | 12 | 219 | 89 | 63 |
| 454 | Plants | 16 | 219 | 824 | 1327 |
| 456 | Total Quality Management | 9 | 217 | 161 | 211 |
| 456 | Ocean Engineering | 10 | 217 | 941 | 1058 |
| 456 | Cosmochemistry | 7 | 217 | 545 | 588 |
| 459 | biofuels | 3 | 216 | 246 | 272 |
| 460 | Breeding | 5 | 215 | 845 | 705 |
| 461 | Bioenergetics | 4 | 214 | 697 | 578 |
| 461 | Consumer education | 7 | 214 | 136 | 217 |
| 463 | textile fibers | 10 | 206 | 154 | 110 |
| 464 | plant molecular biology | 7 | 204 | 904 | 1212 |
| 465 | Systems Biology | 7 | 203 | 874 | 884 |
| 465 | Immunity | 3 | 203 | 1403 | 1335 |
| 467 | sustainability | 4 | 202 | 723 | 679 |
| 467 | Bioelectronics | 2 | 202 | 1262 | 1058 |
| 469 | Electronic Packaging | 6 | 201 | 129 | 96 |
| 469 | speech therapy | 17 | 201 | 119 | 193 |
| 469 | Corporate governance | 8 | 201 | 242 | 372 |
| 469 | foods | 8 | 201 | 34 | 36 |
| 469 | Molecular structure | 17 | 201 | 977 | 1345 |
| 474 | Malaria | 14 | 200 | 212 | 362 |
| 475 | Psychopharmacology | 1 | 199 | 1741 | 959 |
| 475 | food industry | 13 | 199 | 191 | 300 |
| 477 | Developmental Biology | 6 | 197 | 1220 | 1349 |
| 477 | Water Purification | 12 | 197 | 465 | 562 |
| 479 | Robotics | 6 | 196 | 1228 | 1038 |
| 480 | Biodegradation | 8 | 195 | 337 | 508 |
| 481 | Mental illness | 9 | 194 | 937 | 1265 |
| 482 | Evolutionary Genetics | 3 | 192 | 665 | 344 |
| 482 | Molecular Epidemiology | 3 | 192 | 665 | 344 |
| 482 | Teaching | 19 | 192 | 591 | 953 |
| 485 | Environmental Law | 6 | 191 | 718 | 1038 |
| 486 | Telecommunications | 16 | 190 | 155 | 273 |
| 486 | Population Genetics | 4 | 190 | 969 | 885 |
| 486 | microwave antennas | 9 | 190 | 155 | 108 |
| 486 | Radioisotopes | 14 | 190 | 403 | 451 |
| 490 | Music | 19 | 189 | 221 | 350 |
| 490 | Neurophysiology | 6 | 189 | 1764 | 1738 |
| 490 | Language Policy | 2 | 189 | 139 | 41 |
| 490 | Electrophoresis | 10 | 189 | 834 | 1005 |
| 490 | voice | 19 | 189 | 105 | 235 |
| 495 | Geography | 11 | 188 | 1017 | 1279 |
| 495 | Genetic Toxicology | 10 | 188 | 111 | 325 |
| 497 | Dementia | 8 | 185 | 763 | 614 |
| 497 | internet | 8 | 185 | 928 | 1070 |
| 499 | Oceanography | 12 | 182 | 854 | 1114 |
| 499 | Virulence | 3 | 182 | 920 | 959 |
| 501 | Sustainable Engineering | 5 | 180 | 1232 | 1247 |
| 502 | Audiology | 16 | 179 | 278 | 470 |
| 502 | Medical Physics | 5 | 179 | 1113 | 1029 |
| 504 | Ultrasonics | 5 | 178 | 930 | 981 |
| 504 | Sonochemistry | 5 | 178 | 451 | 642 |
| 504 | biomedicine | 3 | 178 | 475 | 345 |
| 507 | Systems Analysis | 6 | 177 | 787 | 637 |
| 507 | Emergency Medicine | 12 | 177 | 565 | 619 |
| 507 | polar regions | 9 | 177 | 297 | 359 |
| 507 | Crystal growth | 6 | 177 | 736 | 685 |
| 511 | Dentistry | 12 | 176 | 276 | 291 |
| 511 | Pharmacy management | 8 | 176 | 137 | 133 |
| 513 | Psychiatric Epidemiology | 4 | 174 | 360 | 369 |
| 514 | sanitation | 2 | 172 | 1553 | 1430 |
| 515 | Speech-Language Pathology | 13 | 171 | 57 | 131 |
| 515 | Evolution | 6 | 171 | 1207 | 1292 |
| 517 | Technological Innovations | 6 | 170 | 686 | 718 |
| 518 | water supply | 7 | 168 | 514 | 695 |
| 519 | Nursing | 5 | 166 | 1498 | 999 |
| 519 | Sustainable Architecture | 7 | 166 | 37 | 19 |
| 521 | Pregnancy | 9 | 164 | 370 | 480 |
| 522 | Geomorphology | 4 | 163 | 1159 | 1137 |
| 522 | Reproduction | 12 | 163 | 1033 | 1326 |
| 522 | Nervous system | 9 | 163 | 1262 | 1599 |
| 525 | Reproductive health | 9 | 162 | 331 | 452 |
| 525 | Plasma polymerization | 4 | 162 | 190 | 156 |
| 527 | Learning | 3 | 160 | 1167 | 895 |
| 528 | Dermatology | 7 | 159 | 956 | 949 |
| 529 | Luminescence | 11 | 158 | 644 | 799 |
| 529 | mutagens | 9 | 158 | 362 | 629 |
| 531 | Highway Engineering | 9 | 157 | 162 | 202 |
| 532 | micromechanics | 7 | 155 | 346 | 407 |
| 532 | India | 20 | 155 | 279 | 400 |
| 534 | Religion and Psychology | 13 | 153 | 108 | 207 |
| 534 | Taste | 11 | 153 | 89 | 181 |
| 534 | Environmental forensics | 7 | 153 | 13 | 12 |
| 534 | smell | 11 | 153 | 89 | 181 |
| 534 | software | 3 | 153 | 1038 | 869 |
| 534 | Europe | 16 | 153 | 1212 | 1670 |
| 540 | Linguistics | 20 | 152 | 465 | 733 |
| 540 | Phytochemistry | 4 | 152 | 187 | 161 |
| 540 | Phytoremediation | 4 | 152 | 187 | 161 |
| 540 | Bioreactors | 4 | 152 | 187 | 161 |
| 544 | Andrology | 3 | 151 | 536 | 371 |
| 544 | impact | 3 | 151 | 292 | 281 |
| 546 | Vaccines | 8 | 149 | 907 | 1120 |
| 547 | Biogeochemical cycles | 1 | 147 | 598 | 489 |
| 548 | health workforce | 3 | 146 | 163 | 168 |
| 549 | Hospitality industry | 4 | 145 | 298 | 259 |
| 550 | Internet of Things | 6 | 144 | 760 | 940 |
| 551 | air quality management | 7 | 143 | 238 | 374 |
| 551 | Chromatographic analysis | 6 | 143 | 1285 | 1163 |
| 553 | Occupational Health | 10 | 142 | 451 | 607 |
| 553 | Sports Medicine | 10 | 142 | 1316 | 1460 |
| 555 | Virology | 10 | 141 | 1337 | 2082 |
| 555 | industrial relations | 6 | 141 | 567 | 520 |
| 555 | Speech | 12 | 141 | 402 | 686 |
| 558 | Public Policy | 6 | 140 | 1165 | 1312 |
| 558 | flavor | 9 | 140 | 63 | 121 |
| 560 | Occupational Therapy | 15 | 139 | 316 | 389 |
| 560 | Ethics | 11 | 139 | 394 | 499 |
| 560 | Crystallography | 36 | 139 | 385 | 701 |
| 560 | protein | 5 | 139 | 869 | 830 |
| 564 | Materials Engineering | 7 | 138 | 374 | 342 |
| 564 | Geriatric Psychiatry | 5 | 138 | 660 | 672 |
| 564 | motivation | 1 | 138 | 662 | 303 |
| 567 | Diffusion of innovations | 3 | 137 | 69 | 50 |
| 567 | venom | 7 | 137 | 404 | 533 |
| 567 | Toxins | 7 | 137 | 461 | 602 |
| 570 | Technology Assessment | 3 | 136 | 401 | 435 |
| 570 | preventive medicine | 6 | 136 | 746 | 925 |
| 572 | Hydraulic Engineering | 6 | 135 | 585 | 607 |
| 572 | city planning | 7 | 135 | 1001 | 1150 |
| 572 | Agriculture | 11 | 135 | 995 | 1531 |
| 575 | Environmental Geochemistry | 9 | 134 | 157 | 331 |
| 575 | mycoses | 5 | 134 | 527 | 760 |
| 575 | Osteoporosis | 8 | 134 | 126 | 209 |
| 575 | Minerals | 9 | 134 | 310 | 551 |
| 575 | Investments | 8 | 134 | 193 | 229 |
| 580 | Sleep | 7 | 133 | 879 | 994 |
| 581 | Industrial Safety | 7 | 132 | 699 | 851 |
| 581 | Child Development | 10 | 132 | 962 | 1385 |
| 583 | herbicides | 2 | 131 | 316 | 168 |
| 584 | Sleep Disorders | 6 | 130 | 920 | 986 |
| 584 | Microwave devices | 4 | 130 | 413 | 333 |
| 584 | Fisheries | 11 | 130 | 778 | 1121 |
| 587 | Integrated Circuits | 10 | 129 | 370 | 283 |
| 587 | Ventilation | 7 | 129 | 275 | 355 |
| 587 | Intellectual disability | 5 | 129 | 572 | 542 |
| 590 | Emergency Medical Services | 6 | 128 | 379 | 385 |
| 590 | Hypertension | 6 | 128 | 848 | 1176 |
| 592 | Nanoelectronics | 7 | 126 | 477 | 418 |
| 592 | Interfaces | 7 | 126 | 124 | 184 |
| 592 | Semiconductor industry | 7 | 126 | 334 | 325 |
| 595 | East Asia | 8 | 125 | 274 | 253 |
| 595 | Safety management | 7 | 125 | 263 | 278 |
| 597 | technical education | 5 | 123 | 493 | 443 |
| 598 | Neurosurgery | 2 | 122 | 936 | 735 |
| 598 | Fungi | 4 | 122 | 824 | 928 |
| 598 | Psychophysiology | 5 | 122 | 1906 | 2041 |
| 601 | organizational effectiveness | 3 | 121 | 433 | 298 |
| 601 | Light | 1 | 121 | 1272 | 934 |
| 601 | corporate culture | 3 | 121 | 169 | 159 |
| 604 | Communication | 23 | 119 | 648 | 1569 |
| 604 | Middle East | 10 | 119 | 472 | 535 |
| 606 | Phytotherapy | 6 | 117 | 338 | 572 |
| 606 | Methodology | 7 | 117 | 238 | 270 |
| 608 | Microfluidics | 2 | 116 | 279 | 183 |
| 608 | Business Ethics | 4 | 116 | 851 | 1209 |
| 608 | Sports | 6 | 116 | 1439 | 1355 |
| 608 | planning | 5 | 116 | 540 | 488 |
| 608 | Classroom Environment | 2 | 116 | 85 | 44 |
| 613 | calcification | 2 | 114 | 548 | 449 |
| 613 | mammals | 9 | 114 | 518 | 713 |
| 615 | ethnicity | 8 | 113 | 355 | 381 |
| 615 | Adhesion | 7 | 113 | 369 | 486 |
| 615 | adhesives | 7 | 113 | 397 | 491 |
| 618 | Systems Theory | 11 | 111 | 106 | 154 |
| 618 | Behavioral research | 9 | 111 | 200 | 310 |
| 618 | Chemical kinetics | 8 | 111 | 377 | 341 |
| 621 | Therapeutics | 5 | 110 | 1066 | 1275 |
| 622 | Marine Ecology | 7 | 109 | 488 | 590 |
| 622 | consumer behavior | 2 | 109 | 684 | 571 |
| 622 | Lightweight concrete | 1 | 109 | 700 | 641 |
| 622 | viruses | 3 | 109 | 1118 | 1234 |
| 622 | extraterrestrial environment | 5 | 109 | 406 | 372 |
| 627 | biological monitoring | 3 | 108 | 473 | 442 |
| 628 | Radiation Protection | 10 | 105 | 224 | 262 |
| 628 | Fishery management | 6 | 105 | 538 | 625 |
| 628 | radiation monitoring | 10 | 105 | 197 | 242 |
| 628 | Wireless Communication | 4 | 105 | 365 | 239 |
| 632 | Quality Assurance | 4 | 104 | 246 | 204 |
| 632 | Transnational corporations | 3 | 104 | 388 | 353 |
| 632 | Holistic Health | 1 | 104 | 888 | 296 |
| 632 | allied health | 1 | 104 | 493 | 207 |
| 636 | community development | 4 | 102 | 491 | 476 |
| 636 | Synthetic biology | 1 | 102 | 505 | 298 |
| 636 | machinery | 12 | 102 | 299 | 606 |
| 636 | ecosystem | 7 | 102 | 805 | 1336 |
| 636 | Extreme environments | 3 | 102 | 212 | 263 |
| 641 | Marine Biotechnology | 2 | 101 | 282 | 227 |
| 642 | Earthquake Engineering | 4 | 100 | 1109 | 1206 |
| 642 | Regional Planning | 5 | 100 | 1123 | 1195 |
| 642 | Professional ethics | 7 | 100 | 94 | 216 |
| 642 | Water Microbiology | 5 | 100 | 266 | 418 |
| 642 | Oral communication | 10 | 100 | 154 | 335 |
| 642 | Radiation dosimetry | 9 | 100 | 163 | 193 |
| 648 | Action Research | 8 | 99 | 77 | 133 |
| 648 | child abuse | 6 | 99 | 537 | 812 |
| 650 | Asthma | 6 | 98 | 384 | 461 |
| 650 | Mass Spectrometry | 1 | 98 | 1512 | 904 |
| 652 | Climate change | 1 | 97 | 1397 | 1388 |
| 652 | Eutrophication | 1 | 97 | 1263 | 1359 |
| 652 | feeding behavior | 6 | 97 | 470 | 742 |
| 652 | Bone diseases | 7 | 97 | 218 | 506 |
| 652 | human development | 2 | 97 | 942 | 811 |
| 652 | Appetite | 6 | 97 | 409 | 686 |
| 658 | Sedimentology | 4 | 96 | 511 | 587 |
| 658 | soil pollution | 4 | 96 | 438 | 458 |
| 658 | Carbon | 3 | 96 | 1253 | 1495 |
| 658 | Radio | 5 | 96 | 1081 | 1226 |
| 662 | Functional foods | 2 | 95 | 485 | 355 |
| 662 | Radio waves | 3 | 95 | 814 | 803 |
| 664 | Erosion | 4 | 94 | 44 | 85 |
| 664 | Physical fitness | 5 | 94 | 777 | 950 |
| 666 | Hematology | 15 | 93 | 869 | 1476 |
| 666 | men | 1 | 93 | 597 | 234 |
| 666 | Kidney diseases | 5 | 93 | 623 | 741 |
| 669 | Risk Management | 8 | 92 | 302 | 615 |
| 669 | Hematopoietic stem cell transplantation | 2 | 92 | 483 | 478 |
| 669 | biological agents | 13 | 92 | 181 | 157 |
| 672 | Quantum Optics | 6 | 91 | 629 | 687 |
| 672 | Oxidation | 1 | 91 | 301 | 123 |
| 672 | Atomic spectroscopy | 6 | 91 | 797 | 897 |
| 672 | Laser Spectroscopy | 6 | 91 | 581 | 646 |
| 676 | Energy Storage | 7 | 90 | 772 | 1195 |
| 676 | astronomical phenomena | 4 | 90 | 423 | 393 |
| 678 | International Relations | 11 | 89 | 486 | 667 |
| 678 | Chemical Ecology | 4 | 89 | 442 | 594 |
| 678 | Critical Care | 1 | 89 | 1503 | 1276 |
| 678 | Critical Care Medicine | 1 | 89 | 1425 | 1259 |
| 678 | Public Administration | 9 | 89 | 755 | 1017 |
| 678 | Engineering Ethics | 6 | 89 | 81 | 186 |
| 678 | Bioinorganic chemistry | 4 | 89 | 1203 | 1292 |
| 678 | breastfeeding | 3 | 89 | 462 | 418 |
| 678 | Pituitary gland | 1 | 89 | 304 | 179 |
| 687 | Plant Ecology | 6 | 88 | 1202 | 1769 |
| 687 | clay | 2 | 88 | 991 | 988 |
| 687 | indoor air pollution | 5 | 88 | 242 | 389 |
| 687 | Continental shelf | 4 | 88 | 307 | 424 |
| 687 | Sick building syndrome | 5 | 88 | 242 | 389 |
| 687 | health services | 5 | 88 | 733 | 866 |
| 687 | Nonlinear mechanics | 3 | 88 | 447 | 387 |
| 687 | diseases | 5 | 88 | 189 | 566 |
| 695 | Computer Graphics | 3 | 87 | 1645 | 1440 |
| 695 | Bryology | 4 | 87 | 153 | 122 |
| 695 | Oxidative stress | 3 | 87 | 801 | 1189 |
| 695 | bryophytes | 4 | 87 | 69 | 53 |
| 695 | Bacterial infections | 6 | 87 | 468 | 888 |
| 700 | Atmospheric Science | 4 | 86 | 141 | 164 |
| 700 | Astronomy | 11 | 86 | 1468 | 2155 |
| 702 | Animal Behavior | 3 | 85 | 1654 | 1767 |
| 702 | Orthopedic Surgery | 4 | 85 | 584 | 605 |
| 702 | Ethology | 3 | 85 | 1302 | 1517 |
| 702 | Probiotics | 5 | 85 | 68 | 176 |
| 702 | Invertebrates | 2 | 85 | 740 | 548 |
| 707 | Nonverbal Communication | 3 | 84 | 200 | 289 |
| 707 | Ethnic relations | 5 | 84 | 439 | 399 |
| 707 | Anti-inflammatory agents | 3 | 84 | 225 | 222 |
| 707 | Mutagenesis | 8 | 84 | 147 | 332 |
| 707 | Biodiversity | 11 | 84 | 1079 | 1939 |
| 712 | Clinical Psychology | 3 | 83 | 1082 | 1135 |
| 712 | Energy Conversion | 5 | 83 | 917 | 1414 |
| 712 | Brain | 8 | 83 | 1441 | 2174 |
| 712 | Food preferences | 3 | 83 | 370 | 448 |
| 716 | Fish diseases | 1 | 82 | 211 | 110 |
| 716 | Aquatic animals | 1 | 82 | 367 | 160 |
| 716 | Work | 2 | 82 | 450 | 323 |
| 719 | Intercultural Communication | 3 | 81 | 440 | 424 |
| 719 | Dynamics | 5 | 81 | 1298 | 1240 |
| 719 | Bioethics | 7 | 81 | 568 | 686 |
| 719 | Chromatography | 3 | 81 | 1564 | 1404 |
| 719 | International Education | 4 | 81 | 176 | 229 |
| 719 | Drug delivery devices | 2 | 81 | 313 | 390 |
| 719 | Social problems | 1 | 81 | 986 | 654 |
| 726 | Corporate Social Responsibility | 3 | 80 | 273 | 541 |
| 726 | Job satisfaction | 1 | 80 | 225 | 226 |
| 726 | environmental auditing | 3 | 80 | 286 | 547 |
| 726 | job stress | 1 | 80 | 225 | 226 |
| 730 | Mechatronics | 7 | 79 | 536 | 923 |
| 730 | Psychosomatic Medicine | 2 | 79 | 801 | 779 |
| 730 | Geodynamics | 3 | 79 | 828 | 881 |
| 733 | Freeze-Drying | 2 | 78 | 466 | 338 |
| 733 | Hypothermia | 2 | 78 | 466 | 338 |
| 733 | Freeze Drying | 2 | 78 | 466 | 338 |
| 736 | Special Education | 5 | 77 | 605 | 631 |
| 736 | Higher Education | 6 | 77 | 398 | 539 |
| 736 | pheromones | 2 | 77 | 574 | 615 |
| 736 | optical devices | 3 | 77 | 498 | 422 |
| 740 | Gerontology | 9 | 76 | 1018 | 1429 |
| 741 | Immunopathology | 2 | 75 | 1085 | 1067 |
| 741 | Aquatic ecology | 5 | 75 | 703 | 859 |
| 743 | Law | 42 | 74 | 196 | 674 |
| 743 | Developmental Toxicology | 1 | 74 | 92 | 81 |
| 743 | Medical Oncology | 3 | 74 | 1265 | 1435 |
| 743 | Reproductive toxicology | 1 | 74 | 708 | 493 |
| 743 | Flood control | 5 | 74 | 137 | 216 |
| 743 | teratogens | 1 | 74 | 92 | 81 |
| 749 | Natural Sciences | 5 | 73 | 66 | 84 |
| 749 | Human Resources | 2 | 73 | 618 | 726 |
| 751 | Quantum Chemistry | 1 | 71 | 320 | 165 |
| 751 | international trade | 6 | 71 | 461 | 667 |
| 751 | arthritis | 2 | 71 | 988 | 1129 |
| 751 | Cerebellum | 2 | 71 | 336 | 316 |
| 751 | Suicide | 7 | 71 | 295 | 516 |
| 751 | Cerebellar ataxia | 2 | 71 | 335 | 316 |
| 757 | Product Design | 3 | 70 | 518 | 415 |
| 757 | Land use | 6 | 70 | 758 | 1342 |
| 757 | Developmental Disabilities | 5 | 70 | 703 | 1099 |
| 757 | Screening | 2 | 70 | 227 | 171 |
| 757 | Electromagnetic fields | 14 | 70 | 75 | 140 |
| 762 | Inclusive Education | 3 | 69 | 156 | 203 |
| 762 | Superconductors | 7 | 69 | 583 | 692 |
| 762 | Superconductivity | 7 | 69 | 258 | 374 |
| 762 | Integration | 3 | 69 | 149 | 201 |
| 762 | Social interaction | 1 | 69 | 616 | 400 |
| 762 | innovation | 2 | 69 | 741 | 869 |
| 768 | Petroleum Engineering | 5 | 68 | 508 | 709 |
| 768 | Psychiatric Nursing | 2 | 68 | 812 | 646 |
| 768 | Health Education | 7 | 68 | 1118 | 1611 |
| 768 | educational planning | 1 | 68 | 733 | 494 |
| 768 | international cooperation | 5 | 68 | 406 | 685 |
| 773 | Fluid Dynamics | 6 | 67 | 761 | 1056 |
| 773 | Human Rights | 7 | 67 | 309 | 469 |
| 773 | Cellular senescence | 1 | 67 | 596 | 708 |
| 773 | occupational diseases | 3 | 67 | 730 | 919 |
| 773 | Cardiovascular system | 4 | 67 | 936 | 1395 |
| 778 | Embryology | 2 | 66 | 1384 | 1435 |
| 778 | Plant Genetics | 4 | 66 | 548 | 877 |
| 778 | Mass Media | 14 | 66 | 266 | 517 |
| 778 | Outdoor recreation | 1 | 66 | 193 | 102 |
| 778 | Metallography | 5 | 66 | 587 | 892 |
| 778 | animal diseases | 1 | 66 | 824 | 522 |
| 778 | ecotourism | 1 | 66 | 466 | 351 |
| 778 | Primates | 11 | 66 | 287 | 684 |
| 786 | Ichthyology | 5 | 65 | 319 | 359 |
| 786 | Leukemia | 2 | 65 | 818 | 843 |
| 786 | interfaith relations | 3 | 65 | 39 | 10 |
| 786 | Health insurance | 6 | 65 | 251 | 429 |
| 786 | Christianity | 3 | 65 | 184 | 18 |
| 786 | Cognition | 4 | 65 | 1387 | 1612 |
| 786 | Fish | 5 | 65 | 246 | 311 |
| 793 | Urban Planning | 2 | 64 | 503 | 530 |
| 793 | Economic Development | 7 | 64 | 948 | 1678 |
| 793 | Eating Disorders | 4 | 64 | 659 | 867 |
| 793 | Feeding and Eating Disorders | 4 | 64 | 642 | 837 |
| 793 | Housing | 2 | 64 | 617 | 630 |
| 793 | Population | 2 | 64 | 1034 | 1011 |
| 799 | Inorganic Chemistry | 2 | 63 | 43 | 83 |
| 799 | Bacteriology | 2 | 63 | 1808 | 1983 |
| 799 | counseling | 7 | 63 | 809 | 1196 |
| 799 | Diplomatic relations | 2 | 63 | 775 | 366 |
| 799 | Steroids | 3 | 63 | 835 | 936 |
| 804 | Computer Vision | 4 | 62 | 979 | 1292 |
| 804 | Developmental Psychology | 8 | 62 | 588 | 1078 |
| 804 | adolescence | 7 | 62 | 554 | 1011 |
| 804 | free radicals | 4 | 62 | 1041 | 1600 |
| 804 | Bacterial diseases | 2 | 62 | 344 | 391 |
| 804 | Liquid chromatography | 3 | 62 | 500 | 337 |
| 810 | Data Mining | 6 | 61 | 1074 | 1811 |
| 810 | Municipal Engineering | 4 | 61 | 247 | 459 |
| 810 | Adolescent Psychology | 6 | 61 | 530 | 886 |
| 810 | drug toxicity | 3 | 61 | 467 | 679 |
| 814 | Journalism | 2 | 60 | 695 | 470 |
| 814 | Electromagnetic compatibility | 3 | 60 | 349 | 345 |
| 814 | Medical Anthropology | 5 | 60 | 885 | 1528 |
| 814 | Globalization | 4 | 60 | 461 | 634 |
| 818 | Nondestructive testing | 3 | 59 | 669 | 708 |
| 818 | Applied Linguistics | 6 | 59 | 414 | 558 |
| 818 | Telemedicine | 2 | 59 | 391 | 425 |
| 818 | Education policy | 2 | 59 | 99 | 105 |
| 818 | poverty | 2 | 59 | 542 | 496 |
| 818 | Mountains | 1 | 59 | 794 | 326 |
| 824 | Ceramics | 12 | 58 | 660 | 1354 |
| 824 | Flood forecasting | 4 | 58 | 57 | 164 |
| 824 | primary prevention | 2 | 58 | 490 | 519 |
| 824 | Industry | 1 | 58 | 431 | 521 |
| 824 | women | 10 | 58 | 375 | 684 |
| 829 | Adolescent Medicine | 3 | 57 | 489 | 807 |
| 829 | Organizational change | 1 | 57 | 1261 | 838 |
| 829 | Diagnostic Imaging | 7 | 57 | 1101 | 1613 |
| 829 | Iron | 2 | 57 | 369 | 292 |
| 833 | Econometrics | 9 | 56 | 802 | 1203 |
| 833 | Food Policy | 3 | 56 | 301 | 510 |
| 833 | Pesticide residues | 1 | 56 | 163 | 149 |
| 833 | world | 3 | 56 | 694 | 1090 |
| 837 | epilepsy | 10 | 55 | 428 | 928 |
| 837 | ovary | 2 | 55 | 246 | 265 |
| 837 | Plant diseases | 11 | 55 | 1007 | 1852 |
| 840 | starch | 4 | 54 | 276 | 395 |
| 840 | Catalysts | 2 | 54 | 853 | 796 |
| 842 | Dietetics | 5 | 53 | 404 | 594 |
| 842 | Marine Geology | 4 | 53 | 523 | 685 |
| 842 | Petroleum Geology | 4 | 53 | 439 | 621 |
| 842 | emergency management | 4 | 53 | 571 | 884 |
| 842 | Molecular cloning | 6 | 53 | 956 | 1537 |
| 842 | Genetic recombination | 6 | 53 | 942 | 1524 |
| 842 | aromatic plants | 8 | 53 | 84 | 163 |
| 842 | Recombinant DNA | 6 | 53 | 1004 | 1582 |
| 850 | Anatomy | 13 | 52 | 888 | 1829 |
| 850 | Virtual reality | 3 | 52 | 392 | 514 |
| 850 | Crisis Intervention | 4 | 52 | 104 | 211 |
| 850 | Electromagnetic waves | 5 | 52 | 203 | 327 |
| 850 | weather | 3 | 52 | 550 | 807 |
| 855 | Hearing Aids | 5 | 51 | 139 | 205 |
| 855 | Organic farming | 1 | 51 | 105 | 42 |
| 855 | X-rays | 5 | 51 | 380 | 497 |
| 855 | Language planning | 3 | 51 | 176 | 125 |
| 859 | Cartography | 1 | 50 | 847 | 406 |
| 859 | symbiosis | 1 | 50 | 328 | 181 |
| 859 | Social welfare | 5 | 50 | 411 | 610 |
| 859 | Radiobiology | 1 | 50 | 1466 | 1235 |
| 859 | Freezing | 5 | 50 | 190 | 274 |
| 859 | Bones | 2 | 50 | 754 | 952 |
| 865 | health and race | 1 | 49 | 358 | 271 |
| 865 | ethnic groups | 1 | 49 | 591 | 439 |
| 865 | Product life cycle | 3 | 49 | 278 | 449 |
| 865 | Youth | 4 | 49 | 559 | 878 |
| 869 | Physical Therapy | 1 | 48 | 1710 | 1381 |
| 869 | Securities | 1 | 48 | 695 | 546 |
| 869 | Small Business | 1 | 48 | 1143 | 1197 |
| 869 | Africa | 9 | 48 | 797 | 1306 |
| 869 | stocks | 1 | 48 | 341 | 327 |
| 874 | Nutrition physiology | 5 | 47 | 521 | 982 |
| 874 | Antibacterial agents | 2 | 47 | 724 | 942 |
| 874 | Metabolic syndrome | 2 | 47 | 343 | 398 |
| 874 | Exercise therapy | 2 | 47 | 606 | 485 |
| 878 | Food Safety | 2 | 46 | 373 | 356 |
| 878 | Hypertension in pregnancy | 1 | 46 | 319 | 179 |
| 878 | Culture | 8 | 46 | 623 | 964 |
| 878 | investigative techniques | 2 | 46 | 169 | 316 |
| 882 | Comparative Education | 2 | 45 | 299 | 244 |
| 882 | moral development | 1 | 45 | 252 | 185 |
| 882 | Antioxidants | 3 | 45 | 688 | 1123 |
| 882 | Moral Education | 1 | 45 | 286 | 164 |
| 882 | vitamin C | 3 | 45 | 375 | 692 |
| 882 | vitamin E | 3 | 45 | 375 | 692 |
| 888 | Microfabrication | 3 | 44 | 342 | 433 |
| 888 | Law and Economics | 7 | 44 | 155 | 300 |
| 888 | Vocational guidance | 2 | 44 | 1049 | 1144 |
| 891 | Nanomedicine | 4 | 43 | 139 | 479 |
| 891 | Pharmacogenetics | 4 | 43 | 683 | 1101 |
| 891 | Control Theory | 3 | 43 | 1709 | 1754 |
| 891 | Energy Consumption | 1 | 43 | 707 | 681 |
| 891 | Scheduling | 1 | 43 | 276 | 212 |
| 891 | Production Scheduling | 1 | 43 | 276 | 212 |
| 897 | Arts | 8 | 42 | 160 | 262 |
| 897 | infrared radiation | 2 | 42 | 748 | 675 |
| 897 | Cardiovascular diseases | 3 | 42 | 1293 | 1502 |
| 897 | Health promotion | 3 | 42 | 1077 | 1240 |
| 897 | Social work | 4 | 42 | 1151 | 1375 |
| 897 | natural gas | 1 | 42 | 619 | 593 |
| 897 | Forest genetics | 5 | 42 | 165 | 329 |
| 897 | data protection | 5 | 42 | 381 | 703 |
| 905 | Number Theory | 3 | 41 | 843 | 633 |
| 905 | Microcirculation | 1 | 41 | 718 | 645 |
| 905 | Neurotransmitters | 2 | 41 | 593 | 554 |
| 905 | Happiness | 1 | 41 | 868 | 796 |
| 905 | Religion and Culture | 6 | 41 | 130 | 316 |
| 905 | Wales | 4 | 41 | 63 | 95 |
| 905 | bats | 2 | 41 | 146 | 153 |
| 905 | Alloys | 4 | 41 | 224 | 211 |
| 905 | Blood vessels | 1 | 41 | 624 | 556 |
| 914 | Urban Policy | 4 | 40 | 726 | 1273 |
| 914 | Religion | 6 | 40 | 626 | 614 |
| 914 | Research Design | 3 | 40 | 1074 | 1411 |
| 914 | Carcinogenesis | 3 | 40 | 836 | 1249 |
| 914 | Plant tissue culture | 3 | 40 | 702 | 1037 |
| 914 | Documentation | 2 | 40 | 352 | 345 |
| 914 | toxicity testing | 3 | 40 | 601 | 999 |
| 921 | Political Science | 7 | 39 | 1141 | 1449 |
| 921 | Hydrogeology | 1 | 39 | 1094 | 939 |
| 921 | Histocompatibility Testing | 3 | 39 | 442 | 621 |
| 921 | Nonprofit organizations | 1 | 39 | 617 | 548 |
| 921 | alcoholism | 8 | 39 | 770 | 1620 |
| 921 | Quantum theory | 2 | 39 | 1162 | 1093 |
| 927 | Architecture | 2 | 38 | 678 | 511 |
| 927 | Rural Development | 2 | 38 | 642 | 769 |
| 927 | Expert Systems | 4 | 38 | 113 | 298 |
| 927 | Laser therapy | 2 | 38 | 540 | 500 |
| 927 | Yugoslavia | 2 | 38 | 106 | 30 |
| 927 | Building | 2 | 38 | 683 | 612 |
| 927 | Development | 4 | 38 | 653 | 1214 |
| 927 | Economic Assistance | 3 | 38 | 682 | 1136 |
| 927 | silicon | 9 | 38 | 119 | 419 |
| 936 | Palliative Care | 1 | 37 | 1217 | 903 |
| 936 | Phonetics | 5 | 37 | 226 | 454 |
| 936 | Rheology | 3 | 37 | 561 | 751 |
| 936 | Social Entrepreneurship | 3 | 37 | 83 | 276 |
| 936 | gene therapy | 1 | 37 | 1206 | 1217 |
| 936 | Organometallic compounds | 2 | 37 | 1501 | 1581 |
| 936 | nuclear power | 4 | 37 | 369 | 431 |
| 936 | Genetic therapy | 1 | 37 | 1206 | 1217 |
| 936 | Ore deposits | 1 | 37 | 755 | 718 |
| 936 | gene transfer | 1 | 37 | 451 | 404 |
| 936 | genetic transformation | 1 | 37 | 451 | 404 |
| 947 | Cultural Studies | 5 | 36 | 79 | 207 |
| 947 | Pediatric Hematology | 2 | 36 | 420 | 343 |
| 947 | Combinatorial chemistry | 1 | 36 | 1074 | 1153 |
| 947 | Nationalism | 2 | 36 | 442 | 374 |
| 947 | Democracy | 1 | 36 | 605 | 314 |
| 947 | Democratization | 1 | 36 | 295 | 241 |
| 947 | Randomized Controlled Trials | 4 | 36 | 767 | 1046 |
| 947 | Autism | 2 | 36 | 737 | 1028 |
| 947 | Digestive system diseases | 2 | 36 | 848 | 985 |
| 956 | Geriatric Nursing | 2 | 35 | 668 | 617 |
| 956 | Animal welfare | 3 | 35 | 240 | 460 |
| 956 | Endocrine system | 19 | 35 | 178 | 396 |
| 956 | Plant cell culture | 2 | 35 | 773 | 1077 |
| 960 | Plant Morphology | 3 | 34 | 602 | 851 |
| 960 | Medical Ethics | 2 | 34 | 1282 | 1263 |
| 960 | Socioeconomic Factors | 2 | 34 | 949 | 1231 |
| 960 | Wetland ecology | 2 | 34 | 587 | 695 |
| 960 | Antarctica | 5 | 34 | 370 | 662 |
| 960 | cell physiology | 1 | 34 | 1694 | 1837 |
| 960 | Refractory materials | 3 | 34 | 135 | 83 |
| 960 | evaluation | 4 | 34 | 103 | 232 |
| 968 | Marine Meteorology | 2 | 33 | 361 | 464 |
| 968 | Program Evaluation | 3 | 33 | 76 | 155 |
| 968 | Environmental risk assessment | 2 | 33 | 528 | 631 |
| 968 | water reuse | 2 | 33 | 451 | 675 |
| 972 | Thermodynamics | 6 | 32 | 881 | 1313 |
| 972 | agricultural policy | 1 | 32 | 425 | 533 |
| 972 | Philippines | 2 | 32 | 152 | 196 |
| 975 | Neonatology | 2 | 31 | 692 | 851 |
| 975 | Plant Biotechnology | 5 | 31 | 520 | 1163 |
| 975 | Nanobiotechnology | 1 | 31 | 729 | 994 |
| 975 | Genetic Research | 2 | 31 | 196 | 293 |
| 975 | Watershed management | 1 | 31 | 523 | 343 |
| 975 | families | 2 | 31 | 1044 | 1055 |
| 975 | green products | 2 | 31 | 325 | 522 |
| 975 | Spine | 1 | 31 | 820 | 854 |
| 983 | epidemiologic methods | 2 | 30 | 219 | 249 |
| 983 | Plant breeding | 2 | 30 | 867 | 1094 |
| 983 | Communication Disorders | 4 | 30 | 250 | 418 |
| 986 | Biological Systems | 4 | 29 | 417 | 914 |
| 986 | visualization | 3 | 29 | 1371 | 1169 |
| 986 | Microscopy | 4 | 29 | 1197 | 1637 |
| 989 | Radiation Oncology | 2 | 28 | 386 | 548 |
| 989 | Naval Architecture | 2 | 28 | 385 | 435 |
| 989 | Asset Management | 2 | 28 | 78 | 65 |
| 989 | Enzyme inhibitors | 1 | 28 | 759 | 777 |
| 989 | Diagnostic microbiology | 1 | 28 | 1315 | 1612 |
| 989 | Genetic regulation | 3 | 28 | 954 | 1470 |
| 989 | Sedimentary rocks | 3 | 28 | 623 | 929 |
| 989 | scientific societies | 3 | 28 | 666 | 1102 |
| 989 | Decision making | 3 | 28 | 1423 | 2016 |
| 989 | violence | 3 | 28 | 940 | 1442 |
| 989 | Fluorescence | 3 | 28 | 456 | 712 |
| 989 | adulthood | 1 | 28 | 243 | 218 |