| 1 | Medicine | 861 | 21.4K | 362 | 633 |
| 2 | Polymers | 702 | 21.2K | 130 | 138 |
| 3 | Biochemistry | 740 | 21.1K | 503 | 639 |
| 4 | Chemical Engineering | 654 | 20.9K | 102 | 177 |
| 5 | Chemistry | 674 | 20.2K | 592 | 770 |
| 6 | Analytical Chemistry | 334 | 18.0K | 192 | 100 |
| 7 | polymerization | 570 | 17.4K | 105 | 131 |
| 8 | Catalysis | 387 | 15.3K | 170 | 229 |
| 9 | Science | 564 | 14.8K | 520 | 1127 |
| 10 | Physics | 350 | 14.2K | 933 | 1223 |
| 11 | Biotechnology | 368 | 13.7K | 266 | 415 |
| 12 | Microbiology | 465 | 13.5K | 340 | 567 |
| 13 | Nuclear Physics | 372 | 12.2K | 493 | 471 |
| 14 | Research | 545 | 11.6K | 406 | 638 |
| 15 | Molecular Biology | 394 | 11.3K | 608 | 881 |
| 16 | Environment | 181 | 11.1K | 422 | 492 |
| 17 | Biology | 289 | 10.7K | 850 | 1316 |
| 18 | Biochemical Engineering | 203 | 10.2K | 159 | 267 |
| 19 | Bioengineering | 262 | 9.9K | 194 | 355 |
| 20 | Colloids | 179 | 9.2K | 327 | 232 |
| 21 | Biomass Energy | 157 | 8.9K | 89 | 99 |
| 22 | Biomedical Engineering | 366 | 8.7K | 164 | 281 |
| 23 | Ecology | 267 | 8.4K | 504 | 748 |
| 24 | Materials | 434 | 7.8K | 417 | 760 |
| 25 | Pollution | 179 | 6.5K | 502 | 712 |
| 26 | Pharmacology | 218 | 6.3K | 533 | 574 |
| 27 | Nanotechnology | 150 | 6.2K | 701 | 718 |
| 28 | Surface Chemistry | 154 | 6.0K | 384 | 334 |
| 29 | Public Health | 410 | 5.7K | 230 | 509 |
| 30 | Environmental Health | 171 | 5.7K | 431 | 583 |
| 31 | Renewable Energy Sources | 82 | 5.6K | 227 | 269 |
| 32 | Biophysics | 236 | 5.5K | 579 | 735 |
| 33 | Pharmacognosy | 157 | 5.4K | 37 | 50 |
| 34 | Biocompatible Materials | 115 | 5.1K | 555 | 612 |
| 35 | Virology | 127 | 5.1K | 354 | 618 |
| 36 | Water pollution | 85 | 5.0K | 310 | 252 |
| 37 | environmental pollution | 152 | 5.0K | 357 | 494 |
| 38 | coal | 86 | 4.6K | 105 | 76 |
| 39 | actuators | 103 | 4.4K | 128 | 117 |
| 39 | transducers | 103 | 4.4K | 128 | 117 |
| 41 | Botany | 144 | 4.4K | 529 | 642 |
| 42 | Environmental monitoring | 102 | 4.3K | 360 | 387 |
| 43 | Liver diseases | 49 | 4.2K | 254 | 250 |
| 44 | Alternative Medicine | 124 | 4.1K | 53 | 28 |
| 45 | Asia | 439 | 4.0K | 19 | 53 |
| 46 | Aquaculture | 145 | 4.0K | 70 | 95 |
| 47 | Pharmaceutical Chemistry | 138 | 4.0K | 422 | 530 |
| 48 | Materials Science | 137 | 3.7K | 646 | 804 |
| 49 | Epidemiology | 74 | 3.7K | 588 | 424 |
| 50 | natural products | 173 | 3.6K | 23 | 73 |
| 51 | Toxicology | 110 | 3.6K | 625 | 672 |
| 52 | Neurology | 102 | 3.5K | 922 | 1083 |
| 53 | food technology | 126 | 3.5K | 172 | 216 |
| 54 | Water | 48 | 3.3K | 501 | 413 |
| 55 | Developmental Immunology | 62 | 3.3K | 28 | 9 |
| 56 | Biosensors | 45 | 3.3K | 162 | 127 |
| 57 | Food additives | 21 | 3.1K | 280 | 77 |
| 58 | hydrocolloids | 19 | 3.1K | 158 | 66 |
| 59 | Bioelectronics | 39 | 3.1K | 137 | 112 |
| 60 | Japan | 135 | 3.1K | 100 | 70 |
| 61 | complementary therapies | 86 | 3.0K | 103 | 59 |
| 62 | Marine Biology | 73 | 2.9K | 439 | 368 |
| 63 | Nanostructured Materials | 59 | 2.9K | 752 | 567 |
| 64 | environmental protection | 95 | 2.6K | 281 | 475 |
| 65 | Cytology | 50 | 2.6K | 1106 | 1178 |
| 66 | Organic Chemistry | 100 | 2.5K | 448 | 516 |
| 67 | Nutrition | 77 | 2.5K | 697 | 753 |
| 68 | Food | 62 | 2.5K | 459 | 431 |
| 69 | biological factors | 110 | 2.4K | 49 | 160 |
| 70 | Electrochemistry | 101 | 2.4K | 649 | 649 |
| 71 | Immunology | 62 | 2.3K | 848 | 985 |
| 72 | Agricultural Chemistry | 63 | 2.3K | 326 | 296 |
| 72 | Medical genetics | 60 | 2.3K | 579 | 754 |
| 74 | Spectrum analysis | 80 | 2.3K | 755 | 886 |
| 75 | Cell Biology | 39 | 2.3K | 1197 | 1230 |
| 76 | Composite Materials | 57 | 2.3K | 498 | 532 |
| 77 | Cancer | 49 | 2.3K | 899 | 877 |
| 78 | Environmental Policy | 67 | 2.2K | 426 | 613 |
| 79 | Physiology | 64 | 2.2K | 843 | 857 |
| 80 | Psychiatry | 69 | 2.2K | 819 | 961 |
| 81 | Natural history | 30 | 2.1K | 1101 | 2062 |
| 82 | Vaccines | 98 | 2.1K | 136 | 249 |
| 83 | Immunity | 23 | 2.1K | 662 | 668 |
| 84 | Plastics | 86 | 2.1K | 86 | 100 |
| 85 | Genetics | 47 | 2.1K | 902 | 1074 |
| 85 | Building Materials | 40 | 2.1K | 353 | 300 |
| 87 | Hematology | 72 | 2.1K | 640 | 739 |
| 87 | Soil Mechanics | 50 | 2.1K | 188 | 171 |
| 89 | Environmental Engineering | 97 | 2.0K | 437 | 786 |
| 90 | Parasitology | 92 | 2.0K | 243 | 299 |
| 91 | Engineering Geology | 50 | 2.0K | 211 | 192 |
| 92 | Bioorganic chemistry | 72 | 2.0K | 415 | 525 |
| 93 | Industrial Engineering | 57 | 1.9K | 243 | 222 |
| 94 | fuel cells | 25 | 1.9K | 376 | 279 |
| 95 | Environmental Management | 71 | 1.8K | 306 | 614 |
| 96 | Technology | 98 | 1.8K | 484 | 670 |
| 97 | nanoscience | 55 | 1.8K | 642 | 775 |
| 98 | Tropical Medicine | 76 | 1.8K | 130 | 136 |
| 99 | Molecular structure | 95 | 1.8K | 160 | 413 |
| 100 | energy development | 12 | 1.8K | 263 | 176 |
| 101 | Medicinal plants | 56 | 1.8K | 111 | 178 |
| 102 | Metabolism | 53 | 1.8K | 603 | 779 |
| 103 | Astrophysics | 49 | 1.7K | 943 | 992 |
| 104 | Energy Conversion | 20 | 1.7K | 456 | 402 |
| 105 | Earth Sciences | 81 | 1.7K | 491 | 664 |
| 106 | Industrial Microbiology | 82 | 1.7K | 103 | 342 |
| 107 | Energy Policy | 41 | 1.7K | 502 | 587 |
| 108 | Pharmacy | 64 | 1.7K | 268 | 295 |
| 109 | Biopharmaceutics | 40 | 1.7K | 131 | 122 |
| 110 | Marine Pollution | 33 | 1.7K | 186 | 168 |
| 111 | Dermatology | 77 | 1.7K | 217 | 295 |
| 112 | Geriatrics | 57 | 1.7K | 541 | 507 |
| 113 | Diabetes | 52 | 1.7K | 392 | 578 |
| 114 | Photochemistry | 42 | 1.6K | 252 | 187 |
| 115 | Business | 22 | 1.6K | 713 | 485 |
| 116 | Geology | 75 | 1.6K | 639 | 715 |
| 117 | Psychology | 53 | 1.6K | 1066 | 1042 |
| 118 | Chemical analysis | 33 | 1.5K | 154 | 73 |
| 119 | Green Chemistry | 45 | 1.5K | 315 | 465 |
| 120 | Photobiology | 37 | 1.5K | 154 | 102 |
| 121 | Solid State Physics | 77 | 1.5K | 928 | 991 |
| 122 | Structural Engineering | 58 | 1.5K | 289 | 286 |
| 123 | Sustainable Development | 34 | 1.5K | 299 | 323 |
| 124 | Genomics | 42 | 1.5K | 741 | 743 |
| 125 | China | 58 | 1.5K | 467 | 369 |
| 126 | Reproduction | 78 | 1.4K | 316 | 474 |
| 127 | Primates | 47 | 1.4K | 87 | 92 |
| 128 | Economics | 79 | 1.4K | 834 | 866 |
| 128 | United States | 72 | 1.4K | 829 | 1012 |
| 130 | Cellulose | 31 | 1.4K | 66 | 67 |
| 131 | Sustainable Engineering | 40 | 1.4K | 265 | 333 |
| 132 | Medical Microbiology | 37 | 1.3K | 562 | 730 |
| 133 | drug evaluation | 43 | 1.3K | 118 | 96 |
| 134 | drug therapy | 43 | 1.3K | 514 | 518 |
| 135 | Rock Mechanics | 37 | 1.3K | 167 | 179 |
| 136 | Parasitic Diseases | 43 | 1.3K | 363 | 413 |
| 137 | Clinical Chemistry | 43 | 1.3K | 697 | 791 |
| 137 | energy conservation | 28 | 1.3K | 475 | 581 |
| 139 | human behavior | 28 | 1.2K | 656 | 769 |
| 140 | Human genetics | 25 | 1.2K | 760 | 1462 |
| 141 | Quantum Gravity | 92 | 1.2K | 510 | 698 |
| 142 | finance | 48 | 1.2K | 429 | 425 |
| 143 | Automation | 19 | 1.2K | 896 | 628 |
| 144 | Drug delivery systems | 54 | 1.2K | 129 | 352 |
| 145 | Drug design | 32 | 1.1K | 295 | 322 |
| 146 | Energy Storage | 21 | 1.1K | 387 | 275 |
| 147 | Artificial Intelligence | 61 | 1.1K | 755 | 1018 |
| 148 | Semiconductors | 19 | 1.1K | 726 | 231 |
| 149 | Environmental Toxicology | 29 | 1.1K | 607 | 654 |
| 150 | Recycling | 12 | 1.1K | 176 | 141 |
| 151 | Waste management | 31 | 1.1K | 249 | 144 |
| 152 | Engineering | 66 | 1.1K | 768 | 856 |
| 152 | drugs | 42 | 1.1K | 391 | 421 |
| 154 | Computer Graphics | 44 | 1.1K | 311 | 358 |
| 155 | Obesity | 32 | 1.1K | 496 | 588 |
| 156 | Quality Control | 39 | 1.1K | 223 | 248 |
| 157 | Microbial Ecology | 29 | 1.1K | 676 | 882 |
| 158 | Pharmaceutical Technology | 39 | 1.1K | 239 | 315 |
| 159 | Breeding | 58 | 1.1K | 140 | 255 |
| 160 | Animal breeding | 60 | 1.1K | 90 | 129 |
| 161 | Astronomy | 17 | 1.0K | 1343 | 1055 |
| 162 | Membranes | 19 | 1.0K | 674 | 587 |
| 163 | Allergy | 18 | 1.0K | 422 | 561 |
| 164 | Earthquake Engineering | 32 | 1.0K | 333 | 332 |
| 165 | Behavior | 33 | 1.0K | 838 | 1083 |
| 166 | Psychophysiology | 25 | 1.0K | 962 | 978 |
| 167 | Ocean Engineering | 25 | 999 | 512 | 416 |
| 168 | infection | 25 | 990 | 461 | 474 |
| 169 | Mental Disorders | 52 | 982 | 587 | 1034 |
| 170 | food handling | 31 | 981 | 91 | 119 |
| 171 | Electrochemical Analysis | 20 | 978 | 494 | 284 |
| 172 | Ultrasonics | 11 | 969 | 528 | 243 |
| 173 | Oncology | 19 | 951 | 843 | 1201 |
| 174 | Sociology | 37 | 937 | 695 | 701 |
| 174 | Endocrinology | 53 | 937 | 665 | 1155 |
| 176 | Sonochemistry | 9 | 926 | 221 | 102 |
| 177 | Hazardous waste | 19 | 922 | 184 | 226 |
| 178 | Environmental Chemistry | 14 | 897 | 933 | 783 |
| 179 | Mental illness | 20 | 896 | 714 | 764 |
| 180 | environmental exposure | 20 | 894 | 548 | 457 |
| 180 | radioactive waste | 15 | 894 | 191 | 220 |
| 180 | industrial waste | 15 | 894 | 201 | 221 |
| 183 | Solar Energy | 24 | 890 | 393 | 453 |
| 184 | Condensed Matter | 58 | 881 | 993 | 1203 |
| 185 | Animal Behavior | 25 | 877 | 600 | 669 |
| 186 | Obstetrics | 57 | 863 | 400 | 601 |
| 187 | Aging | 38 | 862 | 713 | 859 |
| 188 | Bioremediation | 19 | 861 | 87 | 79 |
| 188 | management | 41 | 861 | 841 | 1151 |
| 190 | Physical Chemistry | 48 | 860 | 487 | 764 |
| 191 | Dentistry | 55 | 857 | 54 | 71 |
| 192 | bees | 39 | 851 | 33 | 72 |
| 193 | Contraception | 45 | 846 | 58 | 103 |
| 194 | Sleep Disorders | 41 | 824 | 334 | 442 |
| 195 | Social Sciences | 114 | 815 | 326 | 659 |
| 196 | Malaria | 33 | 814 | 122 | 162 |
| 197 | Diagnostic microbiology | 17 | 804 | 473 | 620 |
| 198 | Ceramic materials | 25 | 801 | 305 | 265 |
| 199 | Surface-Active Agents | 20 | 799 | 213 | 238 |
| 199 | Oncogenes | 5 | 799 | 915 | 627 |
| 199 | Surface properties | 20 | 799 | 235 | 268 |
| 199 | plant molecular biology | 16 | 799 | 618 | 737 |
| 203 | Mathematics | 139 | 796 | 1041 | 1510 |
| 204 | Host-parasite interactions | 14 | 795 | 496 | 632 |
| 205 | Diabetes mellitus | 29 | 791 | 560 | 855 |
| 205 | rehabilitation | 36 | 791 | 462 | 621 |
| 207 | Meteorology | 11 | 788 | 1200 | 900 |
| 208 | Civil Engineering | 49 | 784 | 301 | 230 |
| 209 | Economic History | 74 | 783 | 505 | 735 |
| 210 | Climatology | 17 | 778 | 680 | 618 |
| 211 | Marine Biotechnology | 16 | 771 | 29 | 21 |
| 211 | biological evolution | 23 | 771 | 704 | 902 |
| 213 | miniaturization | 21 | 770 | 656 | 800 |
| 214 | biomedicine | 12 | 762 | 273 | 90 |
| 215 | Sleep | 39 | 761 | 354 | 465 |
| 216 | Information Technology | 25 | 760 | 698 | 667 |
| 217 | solar cells | 10 | 754 | 409 | 266 |
| 218 | Water quality management | 25 | 749 | 495 | 403 |
| 219 | Sports Medicine | 33 | 748 | 677 | 711 |
| 220 | Education | 44 | 741 | 881 | 847 |
| 221 | Environmental Geochemistry | 14 | 740 | 75 | 31 |
| 222 | Ethology | 18 | 737 | 568 | 644 |
| 223 | Ethnology | 37 | 736 | 254 | 200 |
| 224 | Therapeutics | 21 | 735 | 533 | 638 |
| 225 | sustainability | 5 | 733 | 628 | 288 |
| 226 | Virulence | 11 | 728 | 549 | 601 |
| 227 | Chemical industry | 65 | 724 | 124 | 193 |
| 227 | Minerals | 14 | 724 | 191 | 93 |
| 229 | health services accessibility | 10 | 718 | 405 | 183 |
| 230 | Parasites | 31 | 711 | 335 | 396 |
| 231 | Catalysts | 45 | 710 | 40 | 115 |
| 232 | Plants | 23 | 707 | 726 | 853 |
| 233 | Geophysics | 43 | 706 | 1025 | 1406 |
| 233 | disease vectors | 25 | 706 | 202 | 223 |
| 235 | Microorganisms | 71 | 705 | 39 | 423 |
| 236 | Veterinary Pathology | 45 | 700 | 19 | 24 |
| 237 | Zoology | 48 | 694 | 551 | 702 |
| 238 | Socioeconomic Factors | 9 | 693 | 336 | 133 |
| 239 | Radiobiology | 18 | 689 | 546 | 534 |
| 240 | Veterinary Immunology | 11 | 685 | 148 | 72 |
| 241 | Environmental pollutants | 14 | 682 | 995 | 803 |
| 242 | Immunotherapy | 30 | 676 | 447 | 852 |
| 243 | Medical Anthropology | 16 | 673 | 428 | 471 |
| 244 | Kidney diseases | 25 | 672 | 192 | 250 |
| 245 | biopolymers | 13 | 671 | 552 | 383 |
| 246 | solar power | 9 | 670 | 388 | 253 |
| 247 | Transportation | 35 | 662 | 372 | 527 |
| 248 | Zeolites | 24 | 659 | 170 | 264 |
| 249 | venom | 31 | 656 | 86 | 136 |
| 249 | Toxins | 31 | 656 | 98 | 154 |
| 251 | Neurotoxicology | 14 | 653 | 127 | 113 |
| 252 | Food Microbiology | 19 | 647 | 370 | 517 |
| 252 | International Finance | 28 | 647 | 355 | 440 |
| 254 | sanitation | 7 | 634 | 1060 | 880 |
| 254 | Gerontology | 30 | 634 | 504 | 518 |
| 256 | Statistical physics | 63 | 633 | 900 | 1299 |
| 257 | Medical Laboratory Science | 33 | 631 | 516 | 965 |
| 258 | Molecular Genetics | 18 | 630 | 706 | 825 |
| 258 | Molecular Spectroscopy | 22 | 630 | 502 | 418 |
| 260 | pollutants | 12 | 628 | 866 | 717 |
| 261 | Nanostructures | 29 | 625 | 538 | 864 |
| 262 | Solid State Chemistry | 26 | 624 | 855 | 776 |
| 263 | viruses | 22 | 621 | 518 | 753 |
| 264 | Optical materials | 11 | 614 | 1496 | 1184 |
| 264 | Biomolecules | 7 | 614 | 231 | 146 |
| 266 | Electrophoresis | 25 | 612 | 434 | 509 |
| 267 | Medical Technology | 25 | 610 | 378 | 452 |
| 268 | Evolutionary Genetics | 33 | 607 | 41 | 100 |
| 268 | Molecular Epidemiology | 33 | 607 | 41 | 100 |
| 270 | Manufacturing Processes | 25 | 605 | 732 | 779 |
| 271 | Antiviral agents | 34 | 603 | 18 | 58 |
| 271 | Water Purification | 21 | 603 | 286 | 233 |
| 271 | Mycology | 33 | 603 | 367 | 595 |
| 274 | clay | 16 | 602 | 187 | 218 |
| 275 | Medical Oncology | 11 | 592 | 896 | 793 |
| 275 | Child | 45 | 592 | 473 | 756 |
| 277 | Global Health | 26 | 590 | 186 | 171 |
| 278 | Genetic engineering | 24 | 589 | 646 | 976 |
| 279 | Geomorphology | 9 | 587 | 810 | 570 |
| 279 | Carbon | 13 | 587 | 561 | 651 |
| 281 | Oral Medicine | 59 | 586 | 19 | 53 |
| 282 | Fluid Mechanics | 21 | 585 | 613 | 538 |
| 283 | Herbal medicine | 16 | 582 | 140 | 156 |
| 284 | Electrical Engineering | 60 | 580 | 784 | 962 |
| 284 | Apoptosis | 13 | 580 | 47 | 35 |
| 284 | neurotoxins | 13 | 580 | 47 | 35 |
| 284 | Neurotoxic agents | 13 | 580 | 47 | 35 |
| 284 | Nerve regeneration | 13 | 580 | 47 | 35 |
| 289 | Geochemistry | 25 | 579 | 725 | 912 |
| 290 | Hydrology | 20 | 572 | 973 | 954 |
| 291 | Entomology | 49 | 569 | 487 | 656 |
| 292 | Molecular evolution | 21 | 567 | 471 | 656 |
| 293 | Metabolic diseases | 32 | 562 | 636 | 1240 |
| 294 | Pathology | 20 | 557 | 898 | 1027 |
| 295 | Ophthalmology | 16 | 556 | 763 | 691 |
| 295 | Molecular cloning | 23 | 556 | 367 | 480 |
| 297 | Sports | 21 | 554 | 718 | 659 |
| 298 | Microbial Biotechnology | 31 | 553 | 71 | 209 |
| 299 | Neurophysiology | 20 | 550 | 1130 | 1377 |
| 300 | Combinatorial chemistry | 3 | 549 | 927 | 346 |
| 301 | Recombinant DNA | 20 | 546 | 453 | 520 |
| 302 | Engineering Mathematics | 38 | 539 | 532 | 558 |
| 303 | Fishery management | 26 | 536 | 164 | 190 |
| 304 | Developing countries | 30 | 532 | 496 | 735 |
| 305 | Electronics | 52 | 528 | 879 | 1320 |
| 305 | Cardiovascular system | 11 | 528 | 778 | 985 |
| 307 | older people | 24 | 517 | 458 | 360 |
| 308 | Diet | 12 | 516 | 1008 | 1076 |
| 309 | Bacteriology | 20 | 508 | 694 | 1026 |
| 310 | Data Mining | 15 | 505 | 511 | 631 |
| 311 | pigments | 21 | 503 | 171 | 209 |
| 312 | Plant physiology | 26 | 502 | 701 | 1130 |
| 313 | Genetic recombination | 18 | 501 | 436 | 515 |
| 313 | Planets | 15 | 501 | 735 | 856 |
| 313 | Gastrointestinal diseases | 18 | 501 | 126 | 110 |
| 316 | Biomass | 18 | 500 | 99 | 231 |
| 317 | Geotechnical Engineering | 14 | 499 | 254 | 222 |
| 318 | color | 17 | 496 | 37 | 23 |
| 319 | Biodegradation | 18 | 495 | 88 | 181 |
| 319 | Biodiversity | 34 | 495 | 514 | 979 |
| 321 | Municipal Engineering | 9 | 493 | 93 | 35 |
| 322 | global environmental change | 7 | 492 | 485 | 414 |
| 323 | Physical Therapy | 30 | 488 | 292 | 524 |
| 323 | Adolescent | 38 | 488 | 417 | 710 |
| 325 | Neurochemistry | 12 | 485 | 1221 | 1132 |
| 326 | Primary health care | 25 | 484 | 428 | 504 |
| 327 | Organometallic chemistry | 27 | 483 | 513 | 542 |
| 328 | Critical Care | 13 | 480 | 714 | 930 |
| 328 | Critical Care Medicine | 13 | 480 | 672 | 919 |
| 328 | enzymes | 17 | 480 | 555 | 639 |
| 331 | Quality of life | 19 | 474 | 413 | 620 |
| 332 | Analytical Biochemistry | 29 | 471 | 346 | 638 |
| 333 | atmospheric models | 2 | 467 | 750 | 354 |
| 334 | Animal health | 37 | 466 | 46 | 51 |
| 335 | Informatics | 14 | 465 | 287 | 300 |
| 335 | carbon monoxide | 6 | 465 | 150 | 72 |
| 337 | Infections | 13 | 464 | 460 | 622 |
| 338 | Information Science | 15 | 463 | 1064 | 1023 |
| 339 | Economic Development | 7 | 462 | 1057 | 745 |
| 340 | Health Policy | 26 | 458 | 623 | 859 |
| 341 | Chemotherapy | 18 | 457 | 466 | 539 |
| 342 | pharmaceutical industry | 14 | 456 | 132 | 88 |
| 343 | natural disasters | 25 | 454 | 242 | 475 |
| 344 | Plasma chemistry | 19 | 445 | 66 | 92 |
| 345 | Immunogenetics | 19 | 444 | 180 | 225 |
| 346 | proteins | 23 | 440 | 724 | 940 |
| 347 | Proteomics | 13 | 439 | 443 | 523 |
| 348 | Mathematical Physics | 38 | 437 | 832 | 1041 |
| 349 | Nanoparticles | 21 | 434 | 630 | 879 |
| 350 | economic policy | 24 | 425 | 758 | 687 |
| 351 | Radiation | 17 | 424 | 845 | 759 |
| 352 | marketing | 16 | 423 | 751 | 861 |
| 353 | Urology | 13 | 420 | 851 | 828 |
| 353 | particles | 41 | 420 | 79 | 231 |
| 355 | Computational Biology | 33 | 419 | 704 | 1333 |
| 355 | Operations Research | 12 | 419 | 1124 | 922 |
| 355 | Enzyme inhibitors | 10 | 419 | 129 | 84 |
| 358 | Animal ecology | 10 | 418 | 630 | 505 |
| 359 | Immunochemistry | 11 | 415 | 406 | 322 |
| 360 | Signal Processing | 7 | 412 | 1758 | 1267 |
| 361 | Phylogeny | 13 | 408 | 331 | 468 |
| 362 | Environmental Geology | 19 | 407 | 533 | 741 |
| 362 | Chromosome mapping | 15 | 407 | 738 | 999 |
| 362 | Transplantation | 16 | 407 | 450 | 650 |
| 362 | gene mapping | 15 | 407 | 833 | 1183 |
| 366 | behavioral medicine | 13 | 406 | 516 | 662 |
| 367 | Chemical processes | 16 | 404 | 168 | 158 |
| 368 | Social behavior | 10 | 400 | 571 | 517 |
| 369 | Health Risk Assessment | 26 | 397 | 19 | 50 |
| 370 | Risk assessment | 25 | 395 | 45 | 83 |
| 370 | ecological risk assessment | 25 | 395 | 8 | 32 |
| 372 | Chromatographic analysis | 18 | 394 | 704 | 660 |
| 373 | Respiration | 19 | 392 | 513 | 725 |
| 374 | Process Control | 10 | 387 | 394 | 529 |
| 375 | Biogeochemical cycles | 2 | 386 | 525 | 338 |
| 375 | Evidence-Based Medicine | 18 | 386 | 347 | 335 |
| 377 | genome | 9 | 382 | 878 | 1079 |
| 378 | animal diseases | 31 | 380 | 70 | 142 |
| 378 | Disease | 2 | 380 | 412 | 553 |
| 380 | Tourism | 17 | 379 | 545 | 811 |
| 381 | Europe | 20 | 377 | 1178 | 1212 |
| 382 | Southeast Asia | 20 | 369 | 69 | 34 |
| 383 | livestock | 10 | 367 | 283 | 136 |
| 384 | medical education | 23 | 366 | 507 | 635 |
| 384 | Australia | 23 | 366 | 491 | 611 |
| 384 | diseases | 1 | 366 | 625 | 567 |
| 387 | Neuropsychiatry | 9 | 364 | 446 | 383 |
| 387 | Infertility | 10 | 364 | 477 | 575 |
| 387 | fertility | 10 | 364 | 510 | 607 |
| 390 | Physical organic chemistry | 20 | 361 | 471 | 573 |
| 391 | Surgery | 13 | 356 | 839 | 1244 |
| 392 | Humanities | 30 | 349 | 285 | 291 |
| 393 | arthritis | 11 | 348 | 632 | 792 |
| 394 | Travel | 21 | 347 | 176 | 216 |
| 394 | Investment analysis | 14 | 347 | 157 | 235 |
| 396 | Clinical Biochemistry | 12 | 346 | 517 | 543 |
| 397 | Tunneling | 5 | 344 | 231 | 183 |
| 397 | underground construction | 5 | 344 | 231 | 183 |
| 399 | Egypt | 6 | 343 | 206 | 134 |
| 400 | energy resources | 4 | 342 | 1148 | 1012 |
| 401 | Nanochemistry | 11 | 339 | 510 | 354 |
| 402 | soil conservation | 7 | 338 | 442 | 294 |
| 402 | internet | 13 | 338 | 662 | 725 |
| 404 | animals | 24 | 337 | 306 | 415 |
| 405 | Agriculture | 32 | 333 | 508 | 1052 |
| 406 | Proteome | 7 | 331 | 785 | 723 |
| 407 | Antigens | 19 | 329 | 263 | 419 |
| 408 | Clinical Pharmacology | 12 | 324 | 699 | 670 |
| 409 | Functional Genomics | 3 | 317 | 267 | 153 |
| 410 | data collection | 9 | 315 | 468 | 595 |
| 411 | Animal husbandry | 3 | 314 | 365 | 88 |
| 412 | Internet of Things | 6 | 313 | 766 | 583 |
| 413 | Nephrology | 10 | 312 | 262 | 356 |
| 413 | Metallurgy | 16 | 312 | 1011 | 1164 |
| 413 | Bacterial infections | 13 | 312 | 285 | 638 |
| 416 | biological agents | 42 | 311 | 19 | 14 |
| 417 | Nursing | 20 | 310 | 579 | 592 |
| 418 | Evolution | 11 | 308 | 959 | 1151 |
| 419 | Educational Technology | 20 | 306 | 425 | 636 |
| 420 | Chromatography | 15 | 305 | 662 | 714 |
| 421 | Brain | 14 | 301 | 1257 | 1569 |
| 422 | Comparative Physiology | 8 | 299 | 439 | 403 |
| 422 | Chemical kinetics | 32 | 299 | 51 | 115 |
| 424 | mycoses | 16 | 298 | 239 | 639 |
| 425 | Plant Ecology | 7 | 296 | 1180 | 1189 |
| 426 | Food Preservation | 15 | 293 | 195 | 167 |
| 427 | Health | 23 | 292 | 642 | 1060 |
| 427 | Nervous system | 19 | 292 | 886 | 1574 |
| 429 | Neural circuitry | 12 | 291 | 927 | 1130 |
| 430 | Medical innovations | 8 | 290 | 530 | 1041 |
| 431 | Menopause | 10 | 288 | 97 | 97 |
| 432 | Immune system | 4 | 287 | 887 | 951 |
| 433 | Production Engineering | 17 | 286 | 728 | 823 |
| 434 | Nuclear Engineering | 24 | 285 | 562 | 618 |
| 435 | Laser therapy | 22 | 284 | 67 | 88 |
| 436 | Clinical Immunology | 12 | 282 | 572 | 717 |
| 436 | Pacific Islands | 20 | 282 | 35 | 37 |
| 438 | Social Psychology | 22 | 281 | 682 | 1175 |
| 438 | Reproductive health | 9 | 281 | 359 | 347 |
| 438 | supercritical fluids | 7 | 281 | 216 | 203 |
| 438 | Population | 17 | 281 | 327 | 449 |
| 442 | Geodynamics | 9 | 280 | 505 | 532 |
| 443 | Linguistics | 15 | 278 | 622 | 536 |
| 443 | emergency management | 17 | 278 | 172 | 328 |
| 443 | occupational diseases | 6 | 278 | 540 | 457 |
| 443 | Drying | 14 | 278 | 97 | 140 |
| 447 | mass transfer | 10 | 277 | 897 | 954 |
| 447 | Auditing | 5 | 277 | 268 | 174 |
| 449 | Continental shelf | 7 | 276 | 222 | 213 |
| 450 | Cytogenetics | 6 | 275 | 1091 | 1151 |
| 450 | gene therapy | 6 | 275 | 788 | 786 |
| 452 | Nuclear Energy | 21 | 274 | 339 | 393 |
| 452 | Radiation effects | 4 | 274 | 507 | 343 |
| 454 | Fluid Dynamics | 7 | 272 | 761 | 559 |
| 455 | Oceanography | 11 | 271 | 1013 | 1075 |
| 456 | Bioinformatics | 20 | 269 | 764 | 1311 |
| 456 | Granular materials | 20 | 269 | 88 | 220 |
| 458 | Radiography | 3 | 268 | 792 | 623 |
| 458 | Fracture mechanics | 12 | 268 | 673 | 706 |
| 458 | public works | 9 | 268 | 45 | 45 |
| 461 | Ceramics | 27 | 267 | 387 | 729 |
| 462 | Pediatrics | 20 | 266 | 842 | 1584 |
| 463 | Nonlinear Dynamics | 14 | 265 | 1087 | 1149 |
| 464 | Psycholinguistics | 8 | 264 | 546 | 564 |
| 465 | Developmental Biology | 11 | 263 | 1001 | 1511 |
| 465 | Plate Tectonics | 9 | 263 | 104 | 99 |
| 465 | Antibacterial agents | 8 | 263 | 359 | 403 |
| 468 | Rheumatology | 14 | 261 | 486 | 768 |
| 468 | Cardiovascular diseases | 12 | 261 | 785 | 870 |
| 470 | Measurement | 9 | 259 | 675 | 589 |
| 470 | Fungi | 14 | 259 | 426 | 722 |
| 472 | Hypertension | 9 | 258 | 902 | 1335 |
| 473 | biofuels | 4 | 257 | 236 | 249 |
| 473 | Pathogens | 9 | 257 | 9 | 14 |
| 473 | Fisheries | 15 | 257 | 687 | 905 |
| 476 | Sedimentary rocks | 3 | 256 | 597 | 334 |
| 477 | Occupational Health | 12 | 255 | 410 | 424 |
| 478 | Stem cells | 19 | 254 | 579 | 1086 |
| 478 | drug development | 4 | 254 | 894 | 1026 |
| 480 | Health Services Research | 22 | 253 | 469 | 831 |
| 481 | Enzyme | 9 | 249 | 190 | 304 |
| 482 | Greenhouse gases | 8 | 247 | 163 | 227 |
| 482 | East Asia | 23 | 247 | 87 | 107 |
| 482 | indoor air pollution | 8 | 247 | 147 | 197 |
| 482 | Ventilation | 8 | 247 | 233 | 233 |
| 482 | Neurons | 1 | 247 | 917 | 896 |
| 482 | Sick building syndrome | 8 | 247 | 147 | 197 |
| 488 | Robotics | 13 | 243 | 810 | 967 |
| 488 | air quality management | 7 | 243 | 236 | 257 |
| 490 | Radiation Protection | 17 | 241 | 174 | 133 |
| 491 | Zoonoses | 8 | 240 | 112 | 143 |
| 492 | Mental Health | 15 | 238 | 628 | 806 |
| 492 | Industry | 3 | 238 | 167 | 183 |
| 494 | Marine Geology | 11 | 237 | 261 | 328 |
| 495 | Land use | 10 | 236 | 529 | 685 |
| 496 | atmosphere | 2 | 234 | 974 | 448 |
| 497 | human development | 4 | 233 | 688 | 494 |
| 498 | Psychoneuroimmunology | 4 | 231 | 480 | 527 |
| 498 | Neuroimmunology | 4 | 231 | 544 | 564 |
| 498 | soil pollution | 4 | 231 | 447 | 212 |
| 501 | Structural dynamics | 11 | 228 | 519 | 731 |
| 501 | Microcirculation | 5 | 228 | 319 | 239 |
| 501 | Insects | 30 | 228 | 328 | 765 |
| 504 | Image Processing | 9 | 227 | 1353 | 1457 |
| 504 | Technological Innovations | 10 | 227 | 417 | 531 |
| 506 | Blood vessels | 4 | 226 | 278 | 178 |
| 507 | Hormones | 13 | 225 | 587 | 924 |
| 508 | Production Management | 6 | 223 | 738 | 911 |
| 509 | Financial management | 4 | 221 | 392 | 330 |
| 510 | radiation monitoring | 15 | 220 | 162 | 135 |
| 510 | preventive medicine | 17 | 220 | 405 | 835 |
| 510 | Digestive system diseases | 5 | 220 | 725 | 563 |
| 513 | Computer-Aided Design | 12 | 219 | 506 | 606 |
| 513 | Animal genetics | 7 | 219 | 375 | 341 |
| 515 | Environmental Education | 54 | 218 | 5 | 154 |
| 516 | Hydraulic Engineering | 3 | 215 | 1144 | 606 |
| 516 | protein | 13 | 215 | 562 | 824 |
| 518 | Freeze-Drying | 7 | 214 | 175 | 167 |
| 518 | Hypothermia | 7 | 214 | 175 | 167 |
| 518 | Freeze Drying | 7 | 214 | 175 | 167 |
| 518 | Radiation dosimetry | 14 | 214 | 140 | 100 |
| 522 | Harbors | 2 | 213 | 274 | 72 |
| 522 | pain | 16 | 213 | 516 | 948 |
| 524 | Women's health | 16 | 212 | 380 | 628 |
| 525 | Medical Physics | 15 | 211 | 744 | 1139 |
| 526 | biochemical markers | 13 | 210 | 244 | 364 |
| 527 | Phytochemistry | 6 | 208 | 108 | 105 |
| 527 | Highway Engineering | 4 | 208 | 356 | 171 |
| 527 | Phytoremediation | 6 | 208 | 108 | 105 |
| 527 | environmental remediation | 6 | 208 | 142 | 124 |
| 527 | Bioreactors | 6 | 208 | 108 | 105 |
| 532 | Mechanical Engineering | 26 | 207 | 806 | 1158 |
| 532 | Entrepreneurship | 9 | 207 | 481 | 751 |
| 534 | International Business | 2 | 205 | 221 | 44 |
| 534 | Autism | 4 | 205 | 584 | 514 |
| 536 | Computer Science | 13 | 204 | 958 | 942 |
| 536 | Pharmacokinetics | 11 | 204 | 380 | 572 |
| 536 | Organometallic compounds | 16 | 204 | 492 | 751 |
| 536 | Cell death | 6 | 204 | 896 | 1137 |
| 540 | Asthma | 9 | 201 | 294 | 305 |
| 540 | Corporate Social Responsibility | 14 | 201 | 19 | 233 |
| 540 | environmental auditing | 14 | 201 | 20 | 234 |
| 543 | Glass | 8 | 200 | 698 | 743 |
| 543 | pottery | 8 | 200 | 667 | 734 |
| 545 | Luminescence | 10 | 199 | 651 | 646 |
| 546 | Cosmology | 14 | 198 | 627 | 655 |
| 546 | Bones | 6 | 198 | 511 | 670 |
| 548 | Optics | 17 | 196 | 2428 | 2443 |
| 548 | System analysis | 12 | 196 | 1282 | 1470 |
| 550 | personality | 11 | 195 | 698 | 1062 |
| 551 | Carcinogenesis | 5 | 194 | 772 | 794 |
| 551 | ports | 2 | 194 | 367 | 131 |
| 553 | Schizophrenia | 5 | 193 | 792 | 817 |
| 554 | Biochemical Genetics | 12 | 192 | 88 | 89 |
| 554 | Waterways | 1 | 192 | 349 | 81 |
| 554 | cell physiology | 8 | 192 | 938 | 1341 |
| 557 | Public Administration | 12 | 191 | 647 | 657 |
| 558 | econometric models | 7 | 189 | 269 | 335 |
| 559 | Pediatric Dermatology | 11 | 188 | 157 | 161 |
| 559 | Soil Science | 11 | 188 | 999 | 1407 |
| 559 | Edible plants | 3 | 188 | 183 | 107 |
| 562 | Roads | 14 | 187 | 327 | 358 |
| 563 | Forest Ecology | 5 | 186 | 803 | 818 |
| 564 | Plant hormones | 2 | 185 | 407 | 206 |
| 564 | nucleic acids | 6 | 185 | 1281 | 1576 |
| 564 | Metals | 11 | 185 | 1132 | 1452 |
| 567 | Cognition | 9 | 184 | 943 | 1146 |
| 568 | Demography | 13 | 183 | 244 | 469 |
| 569 | Mass Spectrometry | 6 | 182 | 850 | 789 |
| 570 | Geriatric Psychiatry | 7 | 181 | 673 | 765 |
| 570 | Smart Materials | 9 | 181 | 360 | 432 |
| 572 | Cognitive neuroscience | 4 | 180 | 827 | 786 |
| 572 | Genetic therapy | 6 | 180 | 841 | 998 |
| 572 | food industry | 12 | 180 | 134 | 248 |
| 575 | Exercise therapy | 8 | 179 | 144 | 130 |
| 576 | Porous materials | 13 | 178 | 201 | 313 |
| 577 | Information Retrieval | 5 | 177 | 335 | 338 |
| 577 | Biomechanics | 7 | 177 | 923 | 952 |
| 577 | Corporate governance | 11 | 177 | 131 | 354 |
| 577 | hazard mitigation | 12 | 177 | 309 | 579 |
| 581 | Computational Chemistry | 7 | 175 | 399 | 483 |
| 581 | Phytotherapy | 5 | 175 | 629 | 574 |
| 583 | Natural resources | 25 | 173 | 147 | 554 |
| 584 | starch | 5 | 171 | 217 | 181 |
| 584 | packaging | 6 | 171 | 48 | 51 |
| 586 | Orthopedics | 15 | 170 | 668 | 1091 |
| 587 | Plant Genetics | 8 | 169 | 394 | 685 |
| 588 | Neuroplasticity | 1 | 168 | 850 | 262 |
| 589 | Database Management | 2 | 167 | 987 | 561 |
| 589 | Paleoclimatology | 7 | 167 | 717 | 882 |
| 591 | Geosynthetics | 5 | 166 | 95 | 63 |
| 591 | Control Theory | 13 | 166 | 861 | 1064 |
| 593 | Mineralogy | 6 | 165 | 978 | 923 |
| 593 | Petrology | 5 | 165 | 732 | 720 |
| 595 | embryo transfer | 9 | 164 | 206 | 276 |
| 596 | Population Genetics | 5 | 163 | 942 | 1096 |
| 596 | cosmetics | 5 | 163 | 109 | 87 |
| 598 | Oxidative stress | 4 | 162 | 1060 | 1203 |
| 598 | Cellular senescence | 4 | 162 | 672 | 762 |
| 598 | Spine | 5 | 162 | 524 | 618 |
| 601 | industrial hygiene | 9 | 161 | 510 | 437 |
| 601 | Green Technology | 11 | 161 | 69 | 167 |
| 603 | Molecular ecology | 4 | 160 | 934 | 1146 |
| 604 | locomotion | 7 | 159 | 377 | 477 |
| 604 | posture | 7 | 159 | 377 | 477 |
| 604 | gait | 7 | 159 | 377 | 477 |
| 604 | walking | 7 | 159 | 377 | 477 |
| 608 | Materials Engineering | 9 | 158 | 270 | 276 |
| 608 | Neuropsychology | 10 | 158 | 1227 | 1668 |
| 608 | Public Policy | 9 | 158 | 946 | 1288 |
| 608 | Genetic markers | 6 | 158 | 100 | 113 |
| 608 | Memory | 7 | 158 | 1143 | 1397 |
| 613 | Databases | 1 | 157 | 622 | 281 |
| 613 | preimplantation genetic diagnosis | 8 | 157 | 220 | 278 |
| 615 | drug resistance | 8 | 156 | 308 | 565 |
| 616 | Chemical Oceanography | 3 | 155 | 289 | 296 |
| 616 | Cognitive Science | 12 | 155 | 634 | 1172 |
| 616 | Diagnostic Imaging | 12 | 155 | 969 | 1476 |
| 616 | visualization | 10 | 155 | 794 | 627 |
| 620 | Microelectronics | 29 | 154 | 558 | 1453 |
| 620 | Wildlife conservation | 4 | 154 | 1029 | 1130 |
| 622 | Research Design | 6 | 153 | 778 | 911 |
| 623 | food contamination | 9 | 152 | 443 | 574 |
| 624 | Histology | 7 | 150 | 1260 | 1562 |
| 624 | Anatomy | 13 | 150 | 915 | 1467 |
| 626 | gastrointestinal tract | 2 | 148 | 438 | 387 |
| 627 | structural stability | 7 | 147 | 278 | 310 |
| 627 | Soft Condensed Matter | 7 | 147 | 713 | 839 |
| 627 | Cell differentiation | 7 | 147 | 1127 | 1780 |
| 630 | Immunopathology | 7 | 146 | 826 | 1105 |
| 630 | Lipids | 5 | 146 | 1019 | 1232 |
| 630 | Algae | 7 | 146 | 480 | 596 |
| 633 | Dental Public Health | 3 | 145 | 128 | 70 |
| 633 | Sedimentology | 3 | 145 | 627 | 473 |
| 633 | Fuzzy systems | 13 | 145 | 653 | 858 |
| 636 | Emergency Medicine | 11 | 144 | 712 | 874 |
| 636 | Invertebrates | 8 | 144 | 299 | 393 |
| 638 | concrete | 10 | 143 | 493 | 967 |
| 639 | Environmental Microbiology | 9 | 142 | 739 | 1472 |
| 639 | Nuclear Medicine | 8 | 142 | 606 | 774 |
| 639 | Psychopharmacology | 5 | 142 | 1146 | 1370 |
| 639 | Rheology | 6 | 142 | 322 | 314 |
| 639 | landscapes | 2 | 142 | 245 | 93 |
| 639 | cryosphere | 1 | 142 | 631 | 342 |
| 645 | Plant genetic engineering | 13 | 141 | 382 | 909 |
| 646 | Mechanics | 7 | 140 | 864 | 722 |
| 647 | Petroleum Engineering | 10 | 139 | 381 | 555 |
| 647 | Andrology | 2 | 139 | 827 | 475 |
| 647 | Radiochemistry | 10 | 139 | 516 | 515 |
| 647 | Emerging infectious diseases | 7 | 139 | 154 | 275 |
| 651 | Leukemia | 14 | 137 | 487 | 1055 |
| 651 | Detectors | 9 | 137 | 914 | 1145 |
| 651 | Heterocyclic compounds | 9 | 137 | 528 | 455 |
| 654 | Comparative Education | 3 | 136 | 249 | 77 |
| 654 | Nuclear Chemistry | 9 | 136 | 606 | 582 |
| 654 | health behavior | 10 | 136 | 449 | 750 |
| 657 | cytokines | 10 | 135 | 673 | 1306 |
| 657 | natural gas | 4 | 135 | 343 | 306 |
| 659 | Forensic Toxicology | 7 | 134 | 31 | 33 |
| 659 | Health Education | 10 | 134 | 913 | 1274 |
| 661 | Biogeochemistry | 5 | 133 | 850 | 1130 |
| 661 | Energy Harvesting | 2 | 133 | 582 | 626 |
| 663 | Molecular Imaging | 6 | 132 | 460 | 652 |
| 663 | Elderly | 7 | 132 | 775 | 516 |
| 665 | textile fibers | 8 | 131 | 185 | 154 |
| 665 | health planning | 13 | 131 | 939 | 1507 |
| 667 | Numerical Analysis | 10 | 130 | 1362 | 1457 |
| 667 | Quantum Chemistry | 5 | 130 | 677 | 463 |
| 667 | Learning | 6 | 130 | 887 | 1023 |
| 670 | Regional Planning | 5 | 129 | 1207 | 1083 |
| 670 | carcinogens | 3 | 129 | 1020 | 977 |
| 670 | Seaweed | 4 | 129 | 491 | 522 |
| 670 | mutagens | 2 | 129 | 1003 | 895 |
| 670 | Steroids | 11 | 129 | 453 | 819 |
| 675 | Biodiversity conservation | 8 | 128 | 1024 | 1844 |
| 676 | Music | 3 | 126 | 902 | 415 |
| 676 | Marine Geophysics | 6 | 126 | 136 | 133 |
| 676 | Substance Abuse | 12 | 126 | 682 | 1050 |
| 676 | Inflammation | 5 | 126 | 1004 | 1327 |
| 676 | disabilities | 3 | 126 | 717 | 526 |
| 676 | mathematical analysis | 17 | 126 | 1196 | 1369 |
| 682 | Petroleum Geology | 7 | 125 | 334 | 479 |
| 682 | Immunopharmacology | 10 | 125 | 475 | 914 |
| 682 | Mental Health Services | 10 | 125 | 621 | 936 |
| 682 | Groundwater | 3 | 125 | 712 | 525 |
| 686 | Soil dynamics | 4 | 124 | 417 | 403 |
| 687 | voice | 1 | 123 | 778 | 281 |
| 687 | Protective coatings | 2 | 123 | 200 | 35 |
| 687 | Cosmochemistry | 4 | 123 | 821 | 834 |
| 690 | Light | 5 | 122 | 727 | 1045 |
| 691 | Structural design | 4 | 121 | 595 | 476 |
| 691 | Drug discovery | 5 | 121 | 147 | 201 |
| 693 | Cell division | 4 | 120 | 468 | 530 |
| 694 | Nanoelectronics | 19 | 119 | 224 | 481 |
| 694 | Semiconductor industry | 19 | 119 | 172 | 393 |
| 694 | kidney | 2 | 119 | 87 | 81 |
| 694 | Extreme environments | 2 | 119 | 309 | 255 |
| 698 | Adaptive control systems | 6 | 118 | 349 | 328 |
| 698 | environmental issues | 4 | 118 | 336 | 399 |
| 700 | Immunohistochemistry | 4 | 117 | 138 | 77 |
| 700 | weather | 5 | 117 | 379 | 495 |
| 702 | Chemical structure | 14 | 116 | 102 | 220 |
| 702 | Birth control | 6 | 116 | 272 | 402 |
| 704 | Systems Engineering | 20 | 115 | 750 | 1647 |
| 705 | Intelligent Transportation Systems | 7 | 114 | 716 | 1041 |
| 706 | alcoholism | 10 | 113 | 735 | 1251 |
| 707 | Environmental Law | 3 | 112 | 1112 | 1448 |
| 707 | Marine mineral resources | 4 | 112 | 122 | 62 |
| 707 | ecosystem | 6 | 112 | 904 | 1422 |
| 707 | Seabed | 4 | 112 | 122 | 62 |
| 711 | bioclimatology | 4 | 111 | 776 | 792 |
| 711 | Climate | 4 | 111 | 478 | 572 |
| 713 | North America | 3 | 110 | 836 | 555 |
| 713 | weight loss | 4 | 110 | 103 | 90 |
| 715 | Pharmacy management | 8 | 109 | 124 | 178 |
| 715 | Foodborne diseases | 4 | 109 | 191 | 210 |
| 717 | city planning | 6 | 108 | 1143 | 1240 |
| 718 | land degradation | 3 | 107 | 487 | 475 |
| 718 | Crystal growth | 7 | 107 | 684 | 942 |
| 718 | sexual behavior | 30 | 107 | 89 | 593 |
| 718 | degradation | 3 | 107 | 487 | 475 |
| 722 | Calorimetry | 5 | 105 | 897 | 852 |
| 722 | Thermal analysis | 5 | 105 | 897 | 852 |
| 724 | Statistics | 34 | 104 | 793 | 1811 |
| 724 | Ecological Engineering | 4 | 104 | 553 | 784 |
| 724 | Plant tissue culture | 7 | 104 | 430 | 691 |
| 724 | Plant cell culture | 7 | 104 | 362 | 679 |
| 728 | Radiology | 9 | 103 | 843 | 1064 |
| 729 | Adolescent Medicine | 10 | 102 | 234 | 840 |
| 729 | adolescence | 10 | 102 | 437 | 802 |
| 731 | Photonics | 6 | 101 | 1434 | 1822 |
| 732 | biocatalysis | 1 | 100 | 339 | 450 |
| 732 | Homogeneous catalysis | 1 | 100 | 339 | 450 |
| 732 | Heterogeneous catalysis | 1 | 100 | 339 | 450 |
| 735 | Embryology | 7 | 99 | 1016 | 1668 |
| 735 | Paleoecology | 5 | 99 | 806 | 983 |
| 735 | Functional foods | 2 | 99 | 515 | 342 |
| 738 | Crystallography | 17 | 98 | 711 | 941 |
| 739 | water resources | 1 | 97 | 590 | 257 |
| 739 | body temperature | 4 | 97 | 402 | 395 |
| 741 | Pediatric Hematology | 5 | 96 | 292 | 185 |
| 741 | community development | 4 | 96 | 461 | 463 |
| 741 | lasers | 7 | 96 | 1507 | 1711 |
| 741 | Exercise | 8 | 96 | 807 | 1036 |
| 745 | Geography | 9 | 95 | 1310 | 1905 |
| 745 | Dietetics | 2 | 95 | 753 | 482 |
| 745 | Radioisotopes | 4 | 95 | 1032 | 815 |
| 745 | Safety management | 9 | 95 | 181 | 351 |
| 745 | Plant diseases | 8 | 95 | 1237 | 1662 |
| 745 | computer networks | 8 | 95 | 1683 | 2191 |
| 751 | Political Science | 14 | 94 | 839 | 1107 |
| 751 | Quantum electronics | 7 | 94 | 1147 | 1336 |
| 751 | Drug targeting | 5 | 94 | 173 | 386 |
| 751 | Vision | 3 | 94 | 619 | 663 |
| 751 | commerce | 10 | 94 | 797 | 1305 |
| 756 | Traffic Engineering | 3 | 93 | 416 | 461 |
| 756 | ethnicity | 6 | 93 | 439 | 435 |
| 756 | drug addiction | 7 | 93 | 686 | 1134 |
| 756 | Quantum theory | 7 | 93 | 560 | 758 |
| 760 | Paleogeography | 3 | 92 | 894 | 944 |
| 761 | Fermentation | 4 | 91 | 206 | 220 |
| 761 | Food service management | 1 | 91 | 655 | 546 |
| 761 | Financial Institutions | 7 | 91 | 162 | 349 |
| 761 | Hydrocarbons | 5 | 91 | 86 | 79 |
| 761 | recreation | 4 | 91 | 569 | 448 |
| 766 | Paleontology | 5 | 90 | 1044 | 1059 |
| 766 | Psychiatric Nursing | 6 | 90 | 430 | 513 |
| 766 | dietary supplements | 8 | 90 | 373 | 875 |
| 769 | Lung Transplantation | 2 | 89 | 442 | 416 |
| 769 | Adhesion | 5 | 89 | 453 | 517 |
| 769 | Heart transplantation | 2 | 89 | 442 | 416 |
| 769 | adhesives | 5 | 89 | 488 | 522 |
| 773 | Econometrics | 11 | 88 | 700 | 1080 |
| 773 | Child Development | 7 | 88 | 1227 | 1894 |
| 773 | Microbial Metabolism | 4 | 88 | 120 | 275 |
| 773 | Finite Element Method | 2 | 88 | 357 | 233 |
| 773 | nuclear power | 4 | 88 | 401 | 276 |
| 773 | organization | 6 | 88 | 498 | 816 |
| 773 | Mollusks | 6 | 88 | 110 | 105 |
| 780 | Marine Ecology | 8 | 87 | 440 | 681 |
| 781 | Psychosomatic Medicine | 5 | 86 | 569 | 895 |
| 781 | Pediatric Nursing | 6 | 86 | 207 | 295 |
| 781 | Infection control | 4 | 86 | 510 | 676 |
| 781 | Decision making | 7 | 86 | 897 | 1365 |
| 781 | synthesis | 10 | 86 | 506 | 707 |
| 781 | Pregnancy | 5 | 86 | 619 | 806 |
| 787 | epilepsy | 7 | 85 | 546 | 882 |
| 787 | Extracellular matrix | 3 | 85 | 232 | 400 |
| 787 | collagen | 3 | 85 | 250 | 410 |
| 790 | Solar power plants | 1 | 84 | 396 | 272 |
| 790 | Photovoltaic Cells | 1 | 84 | 398 | 272 |
| 790 | Antarctica | 4 | 84 | 417 | 376 |
| 793 | Neurosurgery | 4 | 83 | 829 | 1081 |
| 793 | Industrial Safety | 5 | 83 | 871 | 1077 |
| 795 | Dynamics | 10 | 82 | 987 | 1356 |
| 795 | Plant Biotechnology | 11 | 82 | 330 | 908 |
| 795 | Health promotion | 8 | 82 | 804 | 1412 |
| 795 | Physical fitness | 5 | 82 | 833 | 1058 |
| 795 | Mountains | 2 | 82 | 514 | 229 |
| 800 | Health Services Administration | 11 | 81 | 408 | 1048 |
| 800 | Educational Leadership | 4 | 81 | 123 | 94 |
| 800 | Horticulture | 3 | 81 | 848 | 696 |
| 800 | Environmental Psychology | 2 | 81 | 448 | 530 |
| 800 | Orthopedic Surgery | 9 | 81 | 416 | 837 |
| 800 | Lymphoma | 10 | 81 | 144 | 258 |
| 800 | Multimedia Systems | 9 | 81 | 1061 | 1544 |
| 800 | Microwaves | 3 | 81 | 1463 | 1156 |
| 808 | Respiratory Infections | 5 | 80 | 265 | 388 |
| 808 | Astrocytes | 1 | 80 | 748 | 749 |
| 808 | Iron | 4 | 80 | 291 | 278 |
| 808 | Algal blooms | 3 | 80 | 275 | 410 |
| 808 | Cyanobacteria | 3 | 80 | 275 | 410 |
| 808 | antibiotics | 9 | 80 | 67 | 228 |
| 808 | microalgae | 3 | 80 | 275 | 410 |
| 808 | Influenza | 5 | 80 | 180 | 302 |
| 816 | Tribology | 3 | 79 | 1246 | 1139 |
| 816 | Phonetics | 6 | 79 | 193 | 301 |
| 818 | Obstetric Nursing | 5 | 78 | 146 | 200 |
| 818 | Total Quality Management | 3 | 78 | 525 | 517 |
| 818 | Climate change | 2 | 78 | 1259 | 1716 |
| 818 | Eutrophication | 2 | 78 | 1174 | 1674 |
| 818 | Building | 3 | 78 | 751 | 611 |
| 818 | Fluorescence | 8 | 78 | 150 | 325 |
| 824 | Magnetic Resonance Spectroscopy | 2 | 77 | 1390 | 996 |
| 824 | nuclear magnetic resonance spectroscopy | 2 | 77 | 919 | 641 |
| 824 | Electrophysiology | 7 | 77 | 700 | 975 |
| 824 | fishing industry | 7 | 77 | 61 | 96 |
| 824 | NMR | 2 | 77 | 696 | 417 |
| 824 | magnetic resonance | 2 | 77 | 730 | 440 |
| 830 | Language Disorders | 2 | 76 | 958 | 725 |
| 830 | Marine biodiversity | 5 | 76 | 177 | 162 |
| 830 | Gene expression regulation | 8 | 76 | 549 | 1155 |
| 830 | Genetic regulation | 8 | 76 | 653 | 1470 |
| 834 | Information Systems | 3 | 75 | 1428 | 1504 |
| 834 | nuclear astrophysics | 3 | 75 | 460 | 491 |
| 834 | psychotherapy | 5 | 75 | 996 | 1288 |
| 837 | foreign exchange | 2 | 74 | 422 | 418 |
| 837 | Protozoa | 4 | 74 | 354 | 505 |
| 837 | Transport | 1 | 74 | 1011 | 757 |
| 837 | Sea | 1 | 74 | 898 | 623 |
| 837 | Fishery resources | 1 | 74 | 1008 | 669 |
| 842 | Hospitals | 5 | 73 | 427 | 624 |
| 842 | Antibodies | 7 | 73 | 392 | 764 |
| 842 | Writing | 1 | 73 | 480 | 319 |
| 842 | Reading | 1 | 73 | 850 | 539 |
| 846 | Optical Communications | 5 | 72 | 646 | 735 |
| 846 | Artificial Organs | 5 | 72 | 498 | 571 |
| 846 | Probiotics | 3 | 72 | 132 | 192 |
| 846 | planning | 5 | 72 | 502 | 657 |
| 846 | India | 10 | 72 | 675 | 822 |
| 846 | sports injuries | 6 | 72 | 346 | 493 |
| 852 | Bioenergetics | 3 | 71 | 828 | 1047 |
| 852 | Serology | 7 | 71 | 260 | 576 |
| 852 | Raman spectroscopy | 2 | 71 | 1015 | 853 |
| 852 | Infrared spectroscopy | 2 | 71 | 423 | 338 |
| 852 | Forest Management | 3 | 71 | 996 | 1200 |
| 852 | Housing | 3 | 71 | 448 | 570 |
| 852 | behavior therapy | 2 | 71 | 972 | 908 |
| 852 | Pakistan | 6 | 71 | 205 | 124 |
| 852 | sex differences | 3 | 71 | 124 | 189 |
| 861 | Animal Nutrition | 9 | 70 | 293 | 555 |
| 861 | Computational Intelligence | 2 | 70 | 1417 | 948 |
| 861 | Advertising | 2 | 70 | 433 | 473 |
| 861 | Food preferences | 3 | 70 | 368 | 494 |
| 865 | Urban Planning | 2 | 69 | 469 | 477 |
| 865 | Pediatric Neurology | 6 | 69 | 675 | 1528 |
| 865 | Molecular recognition | 3 | 69 | 196 | 240 |
| 865 | traffic safety | 4 | 69 | 241 | 299 |
| 869 | Ethnic relations | 3 | 68 | 592 | 413 |
| 869 | Metallography | 3 | 68 | 824 | 927 |
| 871 | Ethics | 2 | 67 | 1183 | 811 |
| 871 | Systems Biology | 4 | 67 | 1360 | 1848 |
| 871 | DNA | 2 | 67 | 844 | 679 |
| 874 | Sexual health | 2 | 66 | 933 | 717 |
| 874 | Communication | 7 | 66 | 1361 | 2018 |
| 876 | Software Engineering | 9 | 64 | 649 | 1067 |
| 876 | Child psychology | 1 | 64 | 2180 | 1691 |
| 878 | Mining Geology | 5 | 63 | 50 | 79 |
| 878 | Continuing Education | 5 | 63 | 289 | 295 |
| 878 | soil microbiology | 5 | 63 | 1128 | 2190 |
| 878 | Ferroelectricity | 11 | 63 | 526 | 831 |
| 878 | breastfeeding | 8 | 63 | 219 | 561 |
| 878 | Agricultural systems | 1 | 63 | 562 | 539 |
| 878 | Cell metabolism | 1 | 63 | 1180 | 1276 |
| 885 | Surveying | 7 | 62 | 84 | 94 |
| 885 | healthcare disparities | 3 | 62 | 447 | 558 |
| 885 | Alzheimer's disease | 45 | 62 | 375 | 1296 |
| 885 | Export Marketing | 1 | 62 | 401 | 346 |
| 889 | Computer Engineering | 2 | 61 | 1307 | 986 |
| 889 | Taste | 3 | 61 | 279 | 336 |
| 889 | smell | 3 | 61 | 279 | 336 |
| 889 | Product life cycle | 2 | 61 | 396 | 493 |
| 889 | green products | 2 | 61 | 359 | 475 |
| 889 | cell interaction | 3 | 61 | 1249 | 1609 |
| 889 | Nonlinear systems | 6 | 61 | 402 | 593 |
| 896 | Cardiac electrophysiology | 2 | 60 | 299 | 354 |
| 896 | polar regions | 3 | 60 | 699 | 756 |
| 896 | Sulfur | 5 | 60 | 48 | 66 |
| 896 | arrhythmia | 2 | 60 | 299 | 354 |
| 896 | amino acids | 3 | 60 | 609 | 831 |
| 901 | Psychometrics | 3 | 59 | 426 | 486 |
| 901 | Plasma polymerization | 2 | 59 | 327 | 307 |
| 901 | international cooperation | 5 | 59 | 411 | 790 |
| 904 | Neurovirology | 3 | 58 | 228 | 322 |
| 904 | Autism spectrum disorders | 2 | 58 | 91 | 118 |
| 904 | air quality | 3 | 58 | 191 | 293 |
| 904 | immunoassay | 5 | 58 | 109 | 142 |
| 908 | Law | 5 | 57 | 1217 | 748 |
| 908 | Organizational Behavior | 2 | 57 | 709 | 789 |
| 908 | Coral reef biology | 3 | 57 | 310 | 459 |
| 908 | Globalization | 2 | 57 | 735 | 675 |
| 912 | Stochastic Processes | 7 | 56 | 544 | 872 |
| 912 | Molecules | 4 | 56 | 1301 | 1327 |
| 912 | Semigroups | 6 | 56 | 140 | 120 |
| 912 | Telecommunication | 15 | 56 | 1255 | 2686 |
| 912 | Water chemistry | 2 | 56 | 454 | 381 |
| 912 | liver | 2 | 56 | 421 | 404 |
| 918 | Histochemistry | 4 | 55 | 938 | 1235 |
| 918 | Sustainable agriculture | 3 | 55 | 748 | 923 |
| 918 | Cognitive Behavioral Therapy | 1 | 55 | 404 | 297 |
| 918 | Cognitive Therapy | 1 | 55 | 1038 | 740 |
| 918 | Business Ethics | 2 | 55 | 1097 | 1389 |
| 918 | Hospitality industry | 2 | 55 | 515 | 483 |
| 918 | anesthesia | 4 | 55 | 473 | 450 |
| 918 | Social work | 6 | 55 | 943 | 1272 |
| 918 | Yeast | 4 | 55 | 356 | 644 |
| 918 | cloning | 5 | 55 | 509 | 1146 |
| 928 | Geodesy | 6 | 54 | 489 | 883 |
| 928 | environmental indicators | 2 | 54 | 1366 | 1702 |
| 928 | Wireless Communication Systems | 6 | 54 | 1786 | 2331 |
| 928 | Transnationalism | 3 | 54 | 8 | 4 |
| 928 | Social policy | 5 | 54 | 779 | 999 |
| 928 | Capital market | 5 | 54 | 246 | 575 |
| 934 | Kinetics | 2 | 53 | 654 | 555 |
| 934 | Welding | 2 | 53 | 398 | 182 |
| 934 | Visual Perception | 6 | 53 | 1131 | 2047 |
| 934 | Attention | 5 | 53 | 1289 | 2134 |
| 934 | Perception | 6 | 53 | 1265 | 2221 |
| 939 | women's rights | 1 | 52 | 380 | 217 |
| 939 | Coatings | 3 | 52 | 53 | 31 |
| 939 | Geobiology | 1 | 52 | 750 | 621 |
| 939 | Paint | 3 | 52 | 24 | 31 |
| 943 | Functional Analysis | 6 | 51 | 945 | 1183 |
| 943 | Vocational Education | 7 | 51 | 279 | 508 |
| 943 | Developmental Psychology | 2 | 51 | 1199 | 1252 |
| 943 | Telecommunications | 6 | 51 | 485 | 805 |
| 943 | shellfish | 5 | 51 | 103 | 178 |
| 943 | Multiple sclerosis | 1 | 51 | 1017 | 572 |
| 949 | Multiple Myeloma | 8 | 50 | 180 | 351 |
| 949 | Supramolecular chemistry | 5 | 50 | 158 | 221 |
| 949 | Intelligent Control Systems | 3 | 50 | 1223 | 991 |
| 952 | Adsorption | 3 | 49 | 184 | 270 |
| 952 | Erosion | 2 | 49 | 101 | 159 |
| 952 | calcification | 5 | 49 | 373 | 799 |
| 952 | freshwater biology | 2 | 49 | 1173 | 1205 |
| 956 | Urban Policy | 4 | 48 | 633 | 1093 |
| 956 | Anti-inflammatory agents | 3 | 48 | 198 | 315 |
| 956 | electric vehicles | 1 | 48 | 567 | 444 |
| 956 | Animal welfare | 6 | 48 | 135 | 437 |
| 956 | Arthropods | 2 | 48 | 330 | 260 |
| 961 | poverty | 2 | 47 | 533 | 583 |
| 961 | free radicals | 5 | 47 | 1060 | 2171 |
| 961 | baking | 4 | 47 | 166 | 289 |
| 961 | Economic planning | 2 | 47 | 612 | 675 |
| 965 | Occupational Therapy | 4 | 46 | 857 | 890 |
| 965 | Emergency Medical Services | 5 | 46 | 554 | 940 |
| 965 | Telecommunication Systems | 9 | 46 | 921 | 1689 |
| 965 | Landscape Architecture | 1 | 46 | 358 | 94 |
| 965 | Water Microbiology | 3 | 46 | 467 | 739 |
| 965 | Community Colleges | 2 | 46 | 274 | 141 |
| 965 | organizational effectiveness | 3 | 46 | 404 | 544 |
| 965 | Insect biochemistry | 1 | 46 | 749 | 701 |
| 973 | Molecular Microbiology | 2 | 45 | 1015 | 1472 |
| 973 | Heat Exchangers | 6 | 45 | 825 | 1826 |
| 973 | vibration | 4 | 45 | 1137 | 1471 |
| 973 | Bioinorganic chemistry | 4 | 45 | 1247 | 1766 |
| 973 | Wildlife management | 1 | 45 | 1008 | 698 |
| 973 | Vocational guidance | 4 | 45 | 706 | 1084 |
| 973 | RNA | 1 | 45 | 865 | 856 |
| 973 | investigative techniques | 1 | 45 | 302 | 298 |
| 981 | Political Geography | 2 | 44 | 345 | 378 |
| 981 | Signal Transduction | 2 | 44 | 1726 | 2123 |
| 981 | water supply | 2 | 44 | 1120 | 1373 |
| 981 | wood | 3 | 44 | 471 | 549 |
| 985 | Radiation Oncology | 3 | 43 | 389 | 575 |
| 985 | Hematopoietic stem cell transplantation | 1 | 43 | 791 | 815 |
| 985 | Multiphase Flow | 2 | 43 | 455 | 581 |
| 985 | Soil biology | 4 | 43 | 781 | 1457 |
| 985 | Vaccination | 6 | 43 | 138 | 524 |
| 985 | Aerosols | 2 | 43 | 675 | 725 |
| 985 | Plant breeding | 2 | 43 | 1044 | 1132 |
| 985 | Ultrasonic Imaging | 2 | 43 | 644 | 732 |
| 985 | Europa | 1 | 43 | 879 | 689 |
| 985 | Ultrasound | 2 | 43 | 891 | 1049 |
| 985 | Mites | 7 | 43 | 242 | 491 |
| 985 | aerosol | 2 | 43 | 473 | 503 |
| 997 | Neurobiology | 4 | 42 | 1461 | 2470 |
| 997 | Hemostasis | 4 | 42 | 637 | 990 |
| 997 | Thrombosis | 4 | 42 | 893 | 1451 |
| 997 | Radio wave propagation | 1 | 42 | 1406 | 923 |