| 1 | Polymers | 726 | 19.3K | 130 | 148 |
| 2 | Biochemistry | 736 | 18.3K | 603 | 776 |
| 3 | Chemical Engineering | 677 | 18.1K | 109 | 179 |
| 4 | Medicine | 905 | 18.0K | 416 | 771 |
| 5 | Chemistry | 665 | 16.3K | 685 | 943 |
| 6 | polymerization | 581 | 15.7K | 117 | 144 |
| 7 | Analytical Chemistry | 341 | 15.5K | 212 | 120 |
| 8 | Catalysis | 394 | 13.7K | 178 | 253 |
| 9 | Microbiology | 534 | 12.6K | 352 | 640 |
| 10 | Physics | 353 | 12.2K | 1201 | 1600 |
| 11 | Science | 598 | 11.7K | 594 | 1532 |
| 12 | Biotechnology | 388 | 11.3K | 291 | 483 |
| 13 | Nuclear Physics | 354 | 10.6K | 652 | 614 |
| 14 | Research | 581 | 9.3K | 447 | 781 |
| 15 | Environment | 182 | 9.3K | 485 | 590 |
| 16 | Molecular Biology | 375 | 9.2K | 728 | 1086 |
| 17 | Biology | 297 | 8.6K | 1047 | 1762 |
| 18 | Biochemical Engineering | 211 | 8.6K | 156 | 283 |
| 19 | Bioengineering | 282 | 8.4K | 195 | 402 |
| 20 | Colloids | 183 | 8.0K | 369 | 257 |
| 21 | Biomass Energy | 157 | 7.6K | 100 | 108 |
| 22 | Biomedical Engineering | 378 | 7.5K | 147 | 271 |
| 23 | Ecology | 275 | 7.2K | 565 | 866 |
| 24 | Materials | 454 | 6.5K | 458 | 877 |
| 25 | Pollution | 190 | 5.5K | 549 | 799 |
| 26 | Surface Chemistry | 160 | 5.3K | 439 | 396 |
| 27 | Virology | 155 | 5.2K | 386 | 727 |
| 28 | Pharmacology | 223 | 5.2K | 630 | 717 |
| 29 | Nanotechnology | 148 | 5.0K | 788 | 859 |
| 30 | Pharmacognosy | 160 | 4.8K | 47 | 57 |
| 31 | Environmental Health | 187 | 4.7K | 482 | 734 |
| 32 | Renewable Energy Sources | 81 | 4.4K | 234 | 290 |
| 33 | Biophysics | 227 | 4.4K | 701 | 867 |
| 34 | Public Health | 418 | 4.3K | 258 | 701 |
| 35 | Biocompatible Materials | 118 | 4.3K | 596 | 688 |
| 36 | Water pollution | 90 | 4.3K | 337 | 291 |
| 37 | environmental pollution | 158 | 4.2K | 403 | 564 |
| 38 | Botany | 150 | 3.9K | 591 | 726 |
| 39 | Liver diseases | 57 | 3.9K | 286 | 289 |
| 40 | coal | 88 | 3.9K | 114 | 89 |
| 41 | Environmental Policy | 74 | 3.8K | 451 | 357 |
| 42 | Environmental monitoring | 112 | 3.7K | 374 | 432 |
| 43 | actuators | 103 | 3.7K | 143 | 144 |
| 43 | transducers | 103 | 3.7K | 143 | 144 |
| 45 | Neurology | 144 | 3.7K | 1003 | 1294 |
| 46 | Aquaculture | 156 | 3.6K | 70 | 95 |
| 47 | Pharmaceutical Chemistry | 139 | 3.5K | 492 | 602 |
| 48 | Alternative Medicine | 124 | 3.5K | 67 | 35 |
| 48 | Asia | 451 | 3.5K | 24 | 59 |
| 50 | Epidemiology | 86 | 3.4K | 661 | 488 |
| 51 | natural products | 174 | 3.2K | 36 | 81 |
| 52 | Materials Science | 147 | 3.1K | 709 | 939 |
| 53 | Water | 48 | 3.0K | 571 | 462 |
| 54 | Toxicology | 120 | 3.0K | 699 | 822 |
| 55 | food technology | 134 | 2.9K | 175 | 231 |
| 56 | Japan | 153 | 2.8K | 143 | 86 |
| 57 | Developmental Immunology | 63 | 2.8K | 25 | 11 |
| 58 | Biosensors | 46 | 2.8K | 162 | 132 |
| 59 | Bioelectronics | 40 | 2.6K | 138 | 123 |
| 60 | Food additives | 23 | 2.6K | 319 | 83 |
| 61 | hydrocolloids | 20 | 2.6K | 176 | 66 |
| 62 | complementary therapies | 86 | 2.5K | 122 | 67 |
| 63 | Cancer | 55 | 2.4K | 1099 | 974 |
| 64 | Nanostructured Materials | 61 | 2.4K | 824 | 648 |
| 65 | Marine Biology | 80 | 2.4K | 492 | 463 |
| 66 | Hematology | 135 | 2.4K | 688 | 836 |
| 67 | Immunology | 68 | 2.3K | 1041 | 1119 |
| 68 | Organic Chemistry | 101 | 2.3K | 520 | 596 |
| 69 | Medical genetics | 68 | 2.3K | 713 | 902 |
| 70 | Spectrum analysis | 92 | 2.2K | 998 | 1172 |
| 71 | biological factors | 113 | 2.2K | 52 | 177 |
| 72 | Cytology | 61 | 2.2K | 1228 | 1519 |
| 73 | Agricultural Chemistry | 68 | 2.1K | 381 | 331 |
| 73 | Electrochemistry | 119 | 2.1K | 725 | 785 |
| 75 | environmental protection | 102 | 2.1K | 291 | 550 |
| 76 | Vaccines | 112 | 2.0K | 138 | 270 |
| 77 | Plastics | 97 | 2.0K | 84 | 105 |
| 78 | Cell Biology | 50 | 2.0K | 1305 | 1585 |
| 79 | Food | 67 | 1.9K | 516 | 518 |
| 80 | Microorganisms | 125 | 1.9K | 40 | 213 |
| 81 | Soil Mechanics | 54 | 1.8K | 204 | 178 |
| 82 | Composite Materials | 55 | 1.8K | 616 | 653 |
| 83 | Immunity | 26 | 1.8K | 764 | 824 |
| 84 | Environmental Engineering | 102 | 1.8K | 467 | 866 |
| 85 | Genetics | 46 | 1.8K | 1141 | 1295 |
| 86 | Bioorganic chemistry | 69 | 1.8K | 522 | 621 |
| 87 | Industrial Engineering | 59 | 1.8K | 266 | 234 |
| 87 | Engineering Geology | 54 | 1.8K | 220 | 208 |
| 89 | Psychiatry | 70 | 1.7K | 1052 | 1275 |
| 90 | Parasitology | 96 | 1.7K | 274 | 358 |
| 91 | Technology | 121 | 1.7K | 481 | 730 |
| 92 | Physiology | 62 | 1.7K | 1109 | 1166 |
| 93 | Nutrition | 77 | 1.7K | 875 | 1122 |
| 94 | Natural history | 30 | 1.6K | 1502 | 2835 |
| 95 | Environmental Management | 78 | 1.6K | 302 | 627 |
| 96 | Industrial Microbiology | 83 | 1.6K | 119 | 369 |
| 96 | Medicinal plants | 57 | 1.6K | 131 | 194 |
| 98 | Astrophysics | 57 | 1.5K | 1219 | 1319 |
| 99 | Tropical Medicine | 82 | 1.5K | 135 | 164 |
| 100 | Molecular structure | 94 | 1.5K | 209 | 505 |
| 101 | Biopharmaceutics | 42 | 1.5K | 143 | 126 |
| 102 | Dermatology | 81 | 1.5K | 264 | 334 |
| 103 | Energy Policy | 42 | 1.5K | 568 | 676 |
| 104 | Photochemistry | 42 | 1.5K | 300 | 217 |
| 105 | Earth Sciences | 88 | 1.4K | 531 | 810 |
| 106 | Building Materials | 41 | 1.4K | 374 | 392 |
| 107 | Solid State Physics | 73 | 1.4K | 1161 | 1210 |
| 108 | Geology | 78 | 1.4K | 732 | 873 |
| 109 | Photobiology | 37 | 1.4K | 176 | 107 |
| 110 | Pharmacy | 88 | 1.3K | 239 | 404 |
| 111 | Chemical analysis | 33 | 1.3K | 219 | 98 |
| 112 | fuel cells | 26 | 1.3K | 396 | 360 |
| 113 | Marine Pollution | 37 | 1.3K | 190 | 215 |
| 114 | China | 59 | 1.3K | 519 | 366 |
| 115 | Psychology | 53 | 1.3K | 1265 | 1276 |
| 116 | Structural Engineering | 58 | 1.3K | 357 | 309 |
| 117 | Lipids | 6 | 1.3K | 1144 | 310 |
| 118 | energy development | 12 | 1.3K | 304 | 201 |
| 119 | Economics | 88 | 1.2K | 905 | 978 |
| 120 | Reproduction | 81 | 1.2K | 374 | 588 |
| 121 | Geriatrics | 58 | 1.2K | 650 | 648 |
| 122 | Primates | 48 | 1.2K | 103 | 108 |
| 123 | Energy Conversion | 20 | 1.2K | 498 | 512 |
| 124 | nanoscience | 50 | 1.2K | 746 | 1043 |
| 125 | Green Chemistry | 44 | 1.2K | 349 | 546 |
| 126 | Genomics | 41 | 1.2K | 930 | 920 |
| 127 | Rock Mechanics | 37 | 1.2K | 197 | 185 |
| 127 | Cellulose | 33 | 1.2K | 71 | 82 |
| 129 | Parasitic Diseases | 46 | 1.2K | 411 | 495 |
| 130 | drug evaluation | 44 | 1.2K | 124 | 97 |
| 131 | Clinical Chemistry | 44 | 1.1K | 819 | 953 |
| 132 | drug therapy | 43 | 1.1K | 663 | 674 |
| 133 | finance | 52 | 1.1K | 467 | 459 |
| 134 | Medical Microbiology | 39 | 1.1K | 677 | 916 |
| 135 | United States | 67 | 1.1K | 1067 | 1297 |
| 136 | Sustainable Development | 37 | 1.1K | 329 | 407 |
| 137 | Sustainable Engineering | 41 | 1.1K | 303 | 398 |
| 138 | Drug design | 32 | 1.0K | 343 | 331 |
| 139 | Semiconductors | 21 | 1.0K | 837 | 291 |
| 140 | Computer Graphics | 42 | 1.0K | 330 | 347 |
| 141 | human behavior | 31 | 999 | 727 | 928 |
| 142 | Human genetics | 25 | 993 | 1006 | 1938 |
| 143 | Membranes | 19 | 988 | 818 | 670 |
| 144 | Waste management | 30 | 983 | 257 | 151 |
| 145 | drugs | 42 | 981 | 472 | 488 |
| 146 | Drug delivery systems | 58 | 971 | 139 | 434 |
| 147 | Environmental Toxicology | 30 | 966 | 680 | 782 |
| 147 | energy conservation | 26 | 966 | 495 | 569 |
| 149 | infection | 30 | 931 | 480 | 537 |
| 150 | Immunotherapy | 34 | 919 | 498 | 767 |
| 151 | Pharmaceutical Technology | 40 | 918 | 288 | 381 |
| 152 | Engineering | 67 | 915 | 828 | 914 |
| 153 | Quality Control | 46 | 914 | 192 | 277 |
| 154 | Electrochemical Analysis | 23 | 899 | 531 | 341 |
| 155 | Earthquake Engineering | 32 | 889 | 365 | 353 |
| 156 | Breeding | 58 | 881 | 170 | 300 |
| 157 | Microbial Ecology | 28 | 879 | 811 | 1046 |
| 158 | Animal breeding | 59 | 873 | 98 | 145 |
| 159 | Obstetrics | 72 | 871 | 469 | 768 |
| 160 | Ocean Engineering | 25 | 865 | 595 | 431 |
| 161 | Contraception | 50 | 848 | 65 | 104 |
| 162 | Quantum Gravity | 74 | 839 | 690 | 966 |
| 162 | Psychophysiology | 29 | 839 | 1119 | 1238 |
| 164 | Diagnostic microbiology | 18 | 837 | 568 | 709 |
| 165 | Solar Energy | 26 | 832 | 422 | 483 |
| 166 | environmental exposure | 27 | 831 | 491 | 467 |
| 167 | Automation | 15 | 830 | 918 | 534 |
| 167 | food handling | 33 | 830 | 96 | 139 |
| 169 | Behavior | 36 | 818 | 948 | 1377 |
| 170 | Condensed Matter | 56 | 815 | 1221 | 1451 |
| 171 | Economic History | 87 | 802 | 523 | 785 |
| 172 | Ultrasonics | 12 | 797 | 479 | 232 |
| 173 | Oncology | 20 | 778 | 970 | 1453 |
| 173 | Physical Chemistry | 48 | 778 | 563 | 899 |
| 175 | Hazardous waste | 19 | 777 | 204 | 253 |
| 176 | Bioremediation | 19 | 769 | 108 | 87 |
| 177 | Energy Storage | 21 | 767 | 444 | 335 |
| 178 | Sonochemistry | 10 | 756 | 228 | 126 |
| 179 | radioactive waste | 15 | 753 | 208 | 245 |
| 179 | industrial waste | 15 | 753 | 220 | 249 |
| 181 | Animal Behavior | 27 | 744 | 662 | 812 |
| 182 | Sociology | 37 | 738 | 804 | 831 |
| 183 | Recycling | 9 | 724 | 272 | 209 |
| 184 | Ceramic materials | 25 | 721 | 351 | 293 |
| 184 | solar cells | 11 | 721 | 433 | 286 |
| 186 | Endocrinology | 55 | 719 | 847 | 1639 |
| 187 | Oncogenes | 5 | 717 | 1149 | 749 |
| 188 | bees | 39 | 712 | 37 | 78 |
| 189 | Artificial Intelligence | 60 | 709 | 812 | 1234 |
| 190 | Mathematics | 148 | 706 | 1179 | 1785 |
| 191 | Marine Biotechnology | 17 | 703 | 31 | 18 |
| 192 | Sleep Disorders | 49 | 702 | 369 | 546 |
| 193 | Metabolism | 37 | 701 | 1020 | 1514 |
| 194 | Mental Disorders | 51 | 700 | 737 | 1416 |
| 195 | Geophysics | 47 | 698 | 1258 | 1641 |
| 196 | disease vectors | 26 | 693 | 211 | 209 |
| 197 | miniaturization | 21 | 690 | 762 | 925 |
| 198 | Surface-Active Agents | 20 | 686 | 244 | 280 |
| 198 | Surface properties | 20 | 686 | 275 | 316 |
| 200 | Catalysts | 46 | 668 | 47 | 132 |
| 201 | Ophthalmology | 28 | 663 | 651 | 705 |
| 201 | Chemical industry | 69 | 663 | 139 | 218 |
| 203 | Water quality management | 24 | 656 | 554 | 436 |
| 203 | Sleep | 47 | 656 | 381 | 571 |
| 205 | Meteorology | 11 | 655 | 1556 | 1145 |
| 206 | Climatology | 17 | 649 | 847 | 764 |
| 207 | Civil Engineering | 52 | 645 | 331 | 252 |
| 208 | management | 43 | 641 | 946 | 1394 |
| 208 | plant molecular biology | 16 | 641 | 774 | 863 |
| 210 | solar power | 10 | 639 | 405 | 270 |
| 211 | Environmental Chemistry | 14 | 638 | 1070 | 1031 |
| 212 | Mental illness | 20 | 636 | 906 | 1029 |
| 213 | Allergy | 18 | 634 | 570 | 859 |
| 214 | Information Technology | 24 | 632 | 767 | 566 |
| 214 | Astronomy | 17 | 632 | 1684 | 1556 |
| 214 | Ethology | 20 | 632 | 607 | 766 |
| 217 | Aging | 40 | 628 | 817 | 1085 |
| 218 | Environmental Geochemistry | 17 | 626 | 70 | 36 |
| 219 | biopolymers | 12 | 621 | 659 | 417 |
| 220 | Toxins | 40 | 620 | 85 | 162 |
| 221 | biomedicine | 12 | 615 | 305 | 99 |
| 222 | Minerals | 17 | 612 | 190 | 120 |
| 223 | Veterinary Immunology | 11 | 609 | 168 | 80 |
| 224 | venom | 39 | 606 | 78 | 151 |
| 225 | rehabilitation | 32 | 605 | 583 | 767 |
| 226 | Social Sciences | 71 | 603 | 600 | 805 |
| 227 | International Finance | 32 | 602 | 378 | 455 |
| 228 | Immune system | 5 | 600 | 1012 | 811 |
| 229 | Mycology | 33 | 595 | 432 | 643 |
| 230 | Statistical physics | 65 | 594 | 1058 | 1563 |
| 231 | Host-parasite interactions | 14 | 588 | 600 | 823 |
| 232 | Veterinary Pathology | 45 | 587 | 22 | 29 |
| 232 | Parasites | 33 | 587 | 368 | 455 |
| 234 | Zeolites | 24 | 584 | 212 | 299 |
| 235 | Biomolecules | 7 | 580 | 259 | 153 |
| 235 | Plants | 25 | 580 | 821 | 1003 |
| 237 | Dentistry | 63 | 579 | 66 | 121 |
| 238 | biological evolution | 21 | 578 | 880 | 1184 |
| 239 | Ethnology | 37 | 575 | 290 | 248 |
| 240 | Metallurgy | 38 | 574 | 745 | 908 |
| 241 | Radiobiology | 19 | 571 | 777 | 708 |
| 242 | Therapeutics | 20 | 567 | 741 | 905 |
| 243 | Electrophoresis | 26 | 566 | 504 | 568 |
| 244 | Solid State Chemistry | 26 | 565 | 1028 | 937 |
| 245 | Malaria | 32 | 563 | 156 | 223 |
| 246 | Socioeconomic Factors | 8 | 562 | 434 | 155 |
| 247 | sanitation | 7 | 560 | 1255 | 1026 |
| 248 | Environmental pollutants | 15 | 559 | 1124 | 962 |
| 248 | viruses | 23 | 559 | 615 | 926 |
| 248 | Virulence | 11 | 559 | 679 | 778 |
| 251 | health services accessibility | 9 | 558 | 524 | 209 |
| 252 | Education | 43 | 551 | 1088 | 1033 |
| 252 | Gerontology | 32 | 551 | 537 | 574 |
| 254 | Child | 48 | 550 | 569 | 893 |
| 255 | Food Microbiology | 21 | 548 | 403 | 585 |
| 256 | Business Ethics | 4 | 547 | 871 | 492 |
| 257 | Electronics | 59 | 545 | 893 | 1249 |
| 258 | Medical Anthropology | 15 | 543 | 533 | 598 |
| 259 | Zoology | 47 | 541 | 670 | 897 |
| 260 | Antiviral agents | 37 | 537 | 18 | 76 |
| 260 | Carbon | 14 | 537 | 663 | 751 |
| 262 | Water Purification | 20 | 535 | 299 | 247 |
| 263 | Infections | 16 | 533 | 522 | 647 |
| 264 | Molecular Genetics | 18 | 531 | 848 | 1013 |
| 265 | Transportation | 38 | 530 | 410 | 620 |
| 265 | clay | 16 | 530 | 212 | 264 |
| 267 | Gastrointestinal diseases | 20 | 529 | 131 | 95 |
| 268 | Kidney diseases | 27 | 527 | 230 | 332 |
| 269 | pollutants | 13 | 521 | 969 | 841 |
| 270 | Geotechnical Engineering | 17 | 520 | 265 | 211 |
| 270 | Neurotoxicology | 14 | 520 | 143 | 137 |
| 272 | Geomorphology | 8 | 516 | 1003 | 655 |
| 273 | Electrical Engineering | 57 | 514 | 887 | 826 |
| 273 | Evolutionary Genetics | 33 | 514 | 37 | 111 |
| 273 | Molecular Epidemiology | 33 | 514 | 37 | 111 |
| 276 | Travel | 30 | 511 | 126 | 147 |
| 276 | Molecular Spectroscopy | 23 | 511 | 596 | 553 |
| 278 | sustainability | 6 | 509 | 572 | 323 |
| 279 | Medical Oncology | 13 | 508 | 1182 | 1008 |
| 280 | Genetic engineering | 23 | 505 | 813 | 1144 |
| 281 | Combinatorial chemistry | 3 | 502 | 1069 | 375 |
| 282 | Herbal medicine | 17 | 501 | 158 | 168 |
| 283 | economic policy | 31 | 495 | 729 | 637 |
| 284 | Nanostructures | 28 | 494 | 624 | 1047 |
| 285 | Pathology | 22 | 491 | 1097 | 1349 |
| 286 | Microbial Biotechnology | 31 | 490 | 95 | 223 |
| 287 | Entomology | 53 | 479 | 550 | 790 |
| 288 | Molecular cloning | 22 | 478 | 447 | 549 |
| 289 | Business | 21 | 476 | 859 | 1054 |
| 290 | Optical materials | 12 | 471 | 1659 | 1463 |
| 291 | Recombinant DNA | 19 | 470 | 562 | 604 |
| 292 | Fishery management | 26 | 468 | 209 | 246 |
| 293 | Medical Laboratory Science | 31 | 466 | 567 | 1068 |
| 294 | Neurophysiology | 22 | 460 | 1377 | 1813 |
| 295 | Hydrology | 19 | 455 | 1190 | 1145 |
| 295 | Apoptosis | 13 | 455 | 48 | 41 |
| 295 | neurotoxins | 13 | 455 | 48 | 41 |
| 295 | Neurotoxic agents | 13 | 455 | 48 | 41 |
| 295 | Nerve regeneration | 13 | 455 | 48 | 41 |
| 300 | Biodegradation | 18 | 454 | 94 | 187 |
| 301 | Geochemistry | 23 | 449 | 920 | 1147 |
| 302 | older people | 24 | 445 | 529 | 390 |
| 302 | Developing countries | 32 | 445 | 607 | 885 |
| 304 | Environmental Geology | 20 | 441 | 571 | 680 |
| 305 | Metals | 33 | 440 | 750 | 1041 |
| 306 | Global Health | 26 | 439 | 218 | 197 |
| 306 | Municipal Engineering | 9 | 439 | 103 | 31 |
| 308 | Bacteriology | 21 | 437 | 823 | 1271 |
| 309 | Metabolic diseases | 35 | 434 | 825 | 1736 |
| 310 | Molecular evolution | 21 | 433 | 558 | 836 |
| 310 | color | 18 | 433 | 37 | 30 |
| 312 | Planets | 15 | 432 | 949 | 1102 |
| 313 | Genetic recombination | 17 | 430 | 552 | 598 |
| 314 | Manufacturing Processes | 25 | 429 | 871 | 1043 |
| 315 | enzymes | 18 | 426 | 607 | 745 |
| 315 | pigments | 21 | 426 | 193 | 242 |
| 317 | Cardiovascular system | 11 | 423 | 1060 | 1304 |
| 318 | Organometallic chemistry | 30 | 417 | 515 | 604 |
| 319 | Mathematical Physics | 41 | 416 | 975 | 1268 |
| 320 | Plasma chemistry | 19 | 413 | 78 | 96 |
| 321 | Enzyme inhibitors | 11 | 412 | 120 | 72 |
| 322 | Plant physiology | 27 | 409 | 801 | 1323 |
| 323 | Immunogenetics | 19 | 406 | 233 | 296 |
| 324 | Sports Medicine | 33 | 405 | 825 | 1056 |
| 325 | Neurochemistry | 12 | 403 | 1532 | 1488 |
| 326 | Data Mining | 17 | 402 | 555 | 700 |
| 327 | Adolescent | 40 | 400 | 488 | 877 |
| 327 | Biomass | 19 | 400 | 119 | 305 |
| 329 | pharmaceutical industry | 15 | 399 | 153 | 103 |
| 330 | Animal ecology | 10 | 398 | 735 | 578 |
| 331 | Diet | 11 | 397 | 1413 | 1415 |
| 332 | Analytical Biochemistry | 28 | 394 | 427 | 804 |
| 333 | Quality of life | 18 | 391 | 513 | 723 |
| 334 | marketing | 18 | 389 | 804 | 941 |
| 334 | carbon monoxide | 6 | 389 | 155 | 76 |
| 336 | natural disasters | 24 | 388 | 287 | 539 |
| 337 | Physical Therapy | 30 | 386 | 351 | 696 |
| 337 | Operations Research | 13 | 386 | 1311 | 1052 |
| 339 | Social behavior | 10 | 385 | 650 | 576 |
| 340 | Transplantation | 21 | 383 | 517 | 846 |
| 341 | Informatics | 13 | 375 | 372 | 337 |
| 342 | Chemotherapy | 17 | 374 | 648 | 717 |
| 343 | Chemical processes | 17 | 373 | 177 | 164 |
| 344 | Infertility | 13 | 372 | 592 | 668 |
| 344 | fertility | 13 | 372 | 629 | 710 |
| 346 | Primary health care | 23 | 371 | 592 | 647 |
| 347 | Animal health | 37 | 369 | 62 | 65 |
| 348 | Biodiversity | 34 | 368 | 637 | 1251 |
| 349 | atmospheric models | 2 | 366 | 971 | 454 |
| 350 | Proteomics | 13 | 365 | 536 | 644 |
| 351 | Immunochemistry | 11 | 363 | 549 | 377 |
| 352 | Economic Development | 11 | 362 | 974 | 933 |
| 353 | proteins | 24 | 361 | 836 | 1184 |
| 354 | particles | 41 | 360 | 86 | 259 |
| 355 | Critical Care | 17 | 356 | 843 | 1328 |
| 355 | Critical Care Medicine | 17 | 356 | 808 | 1304 |
| 357 | Biogeochemical cycles | 2 | 355 | 648 | 407 |
| 358 | Signal Processing | 7 | 350 | 1546 | 759 |
| 358 | Radiation | 16 | 350 | 1098 | 954 |
| 360 | Process Control | 10 | 349 | 454 | 602 |
| 361 | Chromatographic analysis | 18 | 348 | 805 | 778 |
| 362 | Urology | 14 | 345 | 1132 | 1164 |
| 362 | Health Policy | 24 | 345 | 824 | 1148 |
| 364 | Australia | 27 | 340 | 525 | 647 |
| 365 | Fluid Mechanics | 18 | 335 | 817 | 826 |
| 365 | Health Risk Assessment | 26 | 335 | 23 | 60 |
| 367 | Clinical Pharmacology | 13 | 333 | 834 | 748 |
| 367 | Risk assessment | 25 | 333 | 49 | 97 |
| 367 | ecological risk assessment | 25 | 333 | 9 | 36 |
| 370 | Europe | 26 | 332 | 1268 | 1465 |
| 371 | Nervous system | 22 | 328 | 1059 | 1823 |
| 372 | Evidence-Based Medicine | 18 | 325 | 397 | 373 |
| 373 | Respiration | 21 | 322 | 594 | 944 |
| 373 | Phylogeny | 12 | 322 | 441 | 579 |
| 375 | Zoonoses | 9 | 320 | 108 | 91 |
| 376 | Diabetes | 22 | 317 | 1019 | 1773 |
| 377 | Clinical Biochemistry | 13 | 315 | 682 | 639 |
| 378 | Sports | 20 | 312 | 884 | 920 |
| 379 | Tunneling | 5 | 311 | 268 | 174 |
| 379 | underground construction | 5 | 311 | 268 | 174 |
| 381 | Chromosome mapping | 15 | 310 | 916 | 1227 |
| 381 | gene mapping | 15 | 310 | 1033 | 1463 |
| 383 | genome | 9 | 309 | 1078 | 1330 |
| 384 | Oral Medicine | 71 | 304 | 21 | 99 |
| 384 | mycoses | 17 | 304 | 261 | 676 |
| 386 | Nanoparticles | 22 | 303 | 689 | 1132 |
| 387 | Ceramics | 30 | 302 | 460 | 757 |
| 388 | global environmental change | 7 | 301 | 604 | 585 |
| 389 | energy resources | 4 | 300 | 1374 | 1182 |
| 390 | Computational Biology | 32 | 296 | 812 | 1688 |
| 390 | Physical organic chemistry | 18 | 296 | 574 | 687 |
| 392 | Occupational Health | 14 | 295 | 481 | 421 |
| 393 | Auditing | 8 | 292 | 194 | 160 |
| 394 | medical education | 28 | 291 | 562 | 806 |
| 395 | Neuropsychiatry | 9 | 288 | 564 | 534 |
| 395 | Southeast Asia | 23 | 288 | 66 | 40 |
| 395 | arthritis | 11 | 288 | 846 | 1074 |
| 398 | Fisheries | 23 | 287 | 643 | 949 |
| 399 | Disease | 3 | 285 | 397 | 713 |
| 400 | Neurovirology | 7 | 284 | 135 | 103 |
| 401 | Antigens | 20 | 281 | 319 | 536 |
| 402 | Chemical kinetics | 32 | 277 | 69 | 143 |
| 403 | Chromatography | 15 | 273 | 770 | 830 |
| 403 | biological agents | 42 | 273 | 29 | 18 |
| 405 | Diabetes mellitus | 17 | 272 | 1116 | 1848 |
| 405 | diseases | 2 | 272 | 558 | 745 |
| 407 | Egypt | 6 | 268 | 253 | 138 |
| 407 | Agriculture | 27 | 268 | 748 | 1334 |
| 409 | Functional Genomics | 3 | 267 | 335 | 193 |
| 409 | livestock | 10 | 267 | 312 | 147 |
| 411 | Neural circuitry | 14 | 264 | 958 | 1233 |
| 412 | Comparative Physiology | 8 | 263 | 564 | 469 |
| 413 | Engineering Mathematics | 37 | 262 | 615 | 982 |
| 414 | Pacific Islands | 21 | 257 | 41 | 42 |
| 414 | supercritical fluids | 7 | 257 | 250 | 222 |
| 416 | animal diseases | 31 | 256 | 81 | 173 |
| 417 | Geodynamics | 9 | 255 | 584 | 613 |
| 418 | Nanochemistry | 11 | 254 | 587 | 374 |
| 418 | Production Engineering | 17 | 254 | 856 | 918 |
| 418 | Brain | 15 | 254 | 1554 | 2031 |
| 421 | behavioral medicine | 6 | 253 | 1048 | 904 |
| 421 | Financial management | 5 | 253 | 408 | 338 |
| 423 | Bacterial infections | 14 | 252 | 321 | 778 |
| 424 | East Asia | 31 | 250 | 60 | 93 |
| 425 | Continental shelf | 7 | 249 | 267 | 265 |
| 426 | Fluid Dynamics | 8 | 247 | 842 | 655 |
| 427 | Health | 31 | 246 | 653 | 1405 |
| 428 | gene therapy | 7 | 245 | 911 | 980 |
| 429 | Radiography | 3 | 242 | 779 | 432 |
| 429 | mass transfer | 12 | 242 | 943 | 1094 |
| 431 | preventive medicine | 17 | 241 | 548 | 972 |
| 431 | Investment analysis | 14 | 241 | 208 | 322 |
| 433 | Plate Tectonics | 9 | 240 | 119 | 99 |
| 433 | Glass | 9 | 240 | 777 | 776 |
| 433 | pottery | 9 | 240 | 741 | 764 |
| 436 | Nonlinear Dynamics | 14 | 238 | 1305 | 1420 |
| 437 | soil conservation | 8 | 237 | 425 | 408 |
| 438 | animals | 23 | 236 | 366 | 527 |
| 439 | Nuclear Engineering | 26 | 235 | 457 | 478 |
| 439 | Cytogenetics | 6 | 235 | 1436 | 1526 |
| 439 | emergency management | 15 | 235 | 236 | 371 |
| 442 | Medical innovations | 9 | 234 | 636 | 1320 |
| 443 | Proteome | 7 | 233 | 942 | 1000 |
| 444 | Humanities | 30 | 231 | 353 | 355 |
| 444 | Oceanography | 12 | 231 | 1182 | 1281 |
| 444 | Social Psychology | 23 | 231 | 776 | 1373 |
| 444 | public works | 11 | 231 | 43 | 52 |
| 448 | Granular materials | 21 | 230 | 90 | 247 |
| 448 | Population | 17 | 230 | 375 | 535 |
| 450 | Drying | 15 | 229 | 102 | 169 |
| 450 | Sedimentary rocks | 3 | 229 | 713 | 382 |
| 452 | Nursing | 23 | 227 | 641 | 754 |
| 453 | Nuclear Energy | 23 | 226 | 394 | 489 |
| 454 | Food Preservation | 15 | 225 | 231 | 219 |
| 454 | Animal husbandry | 3 | 225 | 445 | 105 |
| 456 | nucleic acids | 7 | 224 | 1468 | 1654 |
| 456 | Stem cells | 20 | 224 | 677 | 1323 |
| 458 | Rural Development | 2 | 223 | 893 | 245 |
| 458 | Menopause | 10 | 223 | 119 | 129 |
| 460 | Nephrology | 10 | 221 | 332 | 506 |
| 461 | Fungi | 13 | 220 | 539 | 851 |
| 462 | Linguistics | 14 | 219 | 762 | 629 |
| 463 | data collection | 11 | 218 | 529 | 690 |
| 464 | Enzyme | 10 | 217 | 207 | 374 |
| 465 | Radiation Protection | 18 | 215 | 190 | 158 |
| 465 | Fracture mechanics | 12 | 215 | 819 | 858 |
| 467 | Rheumatology | 14 | 214 | 667 | 1033 |
| 467 | indoor air pollution | 8 | 214 | 176 | 229 |
| 467 | Ventilation | 8 | 214 | 269 | 270 |
| 467 | Sick building syndrome | 8 | 214 | 176 | 229 |
| 467 | Evolution | 10 | 214 | 1241 | 1540 |
| 472 | Plant Ecology | 7 | 213 | 1388 | 1432 |
| 472 | Measurement | 9 | 213 | 752 | 655 |
| 474 | Psycholinguistics | 7 | 210 | 693 | 675 |
| 474 | Cardiovascular diseases | 12 | 210 | 971 | 1031 |
| 476 | biofuels | 4 | 209 | 261 | 286 |
| 477 | Marine Geology | 11 | 207 | 285 | 362 |
| 477 | Educational Technology | 20 | 207 | 475 | 779 |
| 477 | Reproductive health | 8 | 207 | 498 | 435 |
| 477 | occupational diseases | 8 | 207 | 608 | 624 |
| 477 | Technological Innovations | 12 | 207 | 388 | 548 |
| 482 | Neurons | 1 | 204 | 1201 | 1154 |
| 483 | Hydraulic Engineering | 3 | 202 | 1353 | 694 |
| 484 | Radiation effects | 4 | 201 | 609 | 445 |
| 485 | Image Processing | 12 | 200 | 1159 | 1408 |
| 485 | Greenhouse gases | 8 | 200 | 180 | 262 |
| 485 | Harbors | 2 | 200 | 316 | 74 |
| 485 | atmosphere | 2 | 200 | 1206 | 542 |
| 489 | Medical Physics | 16 | 199 | 851 | 1205 |
| 489 | Smart Materials | 10 | 199 | 502 | 529 |
| 489 | Production Management | 6 | 199 | 868 | 1028 |
| 489 | Pathogens | 9 | 199 | 16 | 12 |
| 493 | Antibacterial agents | 11 | 198 | 300 | 541 |
| 493 | Bioinformatics | 20 | 198 | 820 | 1584 |
| 493 | protein | 14 | 198 | 626 | 976 |
| 496 | radiation monitoring | 16 | 197 | 182 | 163 |
| 496 | Rheology | 8 | 197 | 383 | 357 |
| 498 | Microcirculation | 5 | 196 | 386 | 286 |
| 499 | Clinical Immunology | 11 | 195 | 797 | 1009 |
| 499 | Environmental Education | 55 | 195 | 5 | 160 |
| 501 | Blood vessels | 4 | 194 | 334 | 208 |
| 502 | Anatomy | 15 | 193 | 1067 | 1556 |
| 502 | Optics | 43 | 193 | 1904 | 2877 |
| 504 | Obesity | 14 | 192 | 1114 | 1867 |
| 505 | Pediatrics | 23 | 191 | 1150 | 2449 |
| 505 | personality | 11 | 191 | 792 | 1123 |
| 505 | Insects | 35 | 191 | 335 | 886 |
| 508 | air quality management | 7 | 190 | 272 | 317 |
| 508 | Tourism | 15 | 190 | 694 | 1242 |
| 510 | Phytochemistry | 6 | 186 | 127 | 112 |
| 510 | Phytoremediation | 6 | 186 | 127 | 112 |
| 510 | environmental remediation | 6 | 186 | 169 | 138 |
| 510 | Bioreactors | 6 | 186 | 127 | 112 |
| 510 | System analysis | 12 | 186 | 1475 | 1611 |
| 515 | drug development | 3 | 185 | 1353 | 1358 |
| 515 | Radiation dosimetry | 14 | 185 | 151 | 116 |
| 517 | Organometallic compounds | 16 | 184 | 561 | 856 |
| 518 | Health Services Research | 22 | 183 | 610 | 1122 |
| 519 | Geriatric Psychiatry | 8 | 182 | 758 | 817 |
| 519 | Mental Health | 13 | 182 | 827 | 984 |
| 519 | Corporate Social Responsibility | 20 | 182 | 12 | 223 |
| 519 | environmental auditing | 20 | 182 | 12 | 225 |
| 519 | Luminescence | 10 | 182 | 769 | 734 |
| 519 | International Business | 2 | 182 | 282 | 57 |
| 525 | Structural dynamics | 11 | 181 | 597 | 869 |
| 525 | ports | 2 | 181 | 416 | 140 |
| 525 | Digestive system diseases | 7 | 181 | 781 | 742 |
| 528 | Medical Technology | 16 | 180 | 692 | 1275 |
| 529 | Synaptic Transmission | 12 | 179 | 201 | 388 |
| 529 | Animal genetics | 6 | 179 | 465 | 392 |
| 529 | Waterways | 1 | 179 | 409 | 82 |
| 532 | Hypertension | 9 | 178 | 1226 | 1875 |
| 533 | Carcinogenesis | 5 | 177 | 935 | 948 |
| 533 | biochemical markers | 14 | 177 | 252 | 402 |
| 535 | Pharmacokinetics | 12 | 175 | 405 | 681 |
| 536 | Public Administration | 13 | 172 | 711 | 723 |
| 536 | soil pollution | 4 | 172 | 521 | 271 |
| 538 | Pediatric Dermatology | 12 | 170 | 178 | 198 |
| 538 | Roads | 14 | 170 | 371 | 394 |
| 540 | pain | 17 | 169 | 646 | 1263 |
| 540 | econometric models | 8 | 169 | 290 | 362 |
| 542 | Computer Science | 15 | 168 | 991 | 1121 |
| 543 | Biochemical Genetics | 12 | 165 | 115 | 112 |
| 543 | Bones | 8 | 165 | 690 | 891 |
| 545 | Computer-Aided Design | 10 | 164 | 673 | 801 |
| 545 | Laser therapy | 21 | 164 | 74 | 135 |
| 545 | starch | 6 | 164 | 251 | 198 |
| 545 | cell physiology | 8 | 164 | 1150 | 1673 |
| 549 | Information Retrieval | 5 | 163 | 381 | 353 |
| 549 | Autism | 4 | 163 | 714 | 620 |
| 551 | Surgery | 14 | 162 | 1281 | 2269 |
| 551 | Forest Ecology | 5 | 162 | 977 | 941 |
| 551 | Hormones | 13 | 162 | 720 | 1247 |
| 554 | Land use | 11 | 160 | 560 | 903 |
| 555 | Plant hormones | 2 | 159 | 474 | 232 |
| 556 | Mechanical Engineering | 27 | 158 | 930 | 1434 |
| 556 | Cosmology | 14 | 158 | 796 | 856 |
| 556 | Mass Spectrometry | 6 | 158 | 1071 | 965 |
| 559 | Asthma | 11 | 156 | 296 | 410 |
| 560 | Structural design | 5 | 155 | 751 | 574 |
| 560 | Biomechanics | 7 | 155 | 1108 | 1160 |
| 562 | Edible plants | 3 | 154 | 246 | 135 |
| 562 | Porous materials | 13 | 154 | 231 | 349 |
| 564 | Phytotherapy | 5 | 153 | 727 | 611 |
| 565 | Database Management | 2 | 152 | 1126 | 651 |
| 565 | Computational Chemistry | 10 | 152 | 355 | 611 |
| 565 | Highway Engineering | 4 | 152 | 384 | 186 |
| 565 | Schizophrenia | 5 | 152 | 1003 | 1047 |
| 569 | Information Science | 10 | 151 | 1604 | 2061 |
| 569 | packaging | 6 | 151 | 62 | 58 |
| 571 | Nuclear Medicine | 10 | 150 | 692 | 885 |
| 571 | Women's health | 15 | 150 | 504 | 915 |
| 573 | Demography | 13 | 148 | 290 | 558 |
| 574 | Entrepreneurship | 10 | 147 | 504 | 939 |
| 574 | hazard mitigation | 14 | 147 | 325 | 689 |
| 574 | cosmetics | 5 | 147 | 136 | 110 |
| 577 | Soil Science | 9 | 145 | 1311 | 1701 |
| 577 | Databases | 1 | 145 | 727 | 308 |
| 577 | Control Theory | 14 | 145 | 922 | 1127 |
| 577 | Diagnostic Imaging | 24 | 145 | 733 | 1682 |
| 581 | Microelectronics | 30 | 144 | 627 | 1716 |
| 581 | Chemical Oceanography | 3 | 144 | 353 | 362 |
| 581 | Exercise therapy | 8 | 144 | 162 | 143 |
| 581 | Genetic therapy | 6 | 144 | 1110 | 1372 |
| 585 | Paleoclimatology | 7 | 142 | 850 | 1051 |
| 585 | Corporate governance | 11 | 142 | 169 | 418 |
| 587 | Histology | 8 | 140 | 1436 | 1850 |
| 587 | Oxidative stress | 4 | 140 | 1203 | 1293 |
| 587 | Cellular senescence | 4 | 140 | 713 | 785 |
| 590 | Natural resources | 19 | 139 | 221 | 701 |
| 591 | Neurosurgery | 12 | 138 | 689 | 1114 |
| 591 | Mineralogy | 6 | 138 | 1198 | 1125 |
| 591 | Petrology | 5 | 138 | 872 | 883 |
| 594 | Population Genetics | 5 | 137 | 1155 | 1328 |
| 594 | Psychopharmacology | 7 | 137 | 1336 | 1712 |
| 594 | Developmental Biology | 11 | 137 | 1295 | 2252 |
| 594 | Memory | 8 | 137 | 1453 | 1918 |
| 598 | embryo transfer | 9 | 136 | 257 | 329 |
| 599 | Cognitive Science | 11 | 135 | 794 | 1337 |
| 599 | Molecular ecology | 4 | 135 | 1138 | 1338 |
| 599 | Genetic markers | 7 | 135 | 88 | 128 |
| 599 | fishing industry | 14 | 135 | 53 | 87 |
| 603 | Plant Genetics | 8 | 134 | 457 | 799 |
| 604 | Emergency Medicine | 14 | 133 | 825 | 1189 |
| 605 | Psychoneuroimmunology | 4 | 132 | 649 | 778 |
| 605 | Sedimentology | 3 | 132 | 717 | 545 |
| 605 | Neuroimmunology | 4 | 132 | 739 | 844 |
| 608 | Embryology | 9 | 131 | 1150 | 1782 |
| 609 | food contamination | 10 | 130 | 528 | 694 |
| 610 | preimplantation genetic diagnosis | 8 | 129 | 266 | 326 |
| 610 | Algae | 7 | 129 | 575 | 704 |
| 612 | Materials Engineering | 9 | 128 | 317 | 324 |
| 612 | Green Technology | 12 | 128 | 73 | 202 |
| 614 | Pediatric Hematology | 6 | 127 | 306 | 170 |
| 614 | Public Policy | 10 | 127 | 1017 | 1583 |
| 614 | Cell differentiation | 7 | 127 | 1451 | 2186 |
| 614 | Cognition | 7 | 127 | 1302 | 1522 |
| 618 | Invertebrates | 8 | 126 | 365 | 475 |
| 619 | Dental Public Health | 4 | 125 | 138 | 85 |
| 620 | Environmental Microbiology | 9 | 124 | 862 | 1688 |
| 620 | Plant genetic engineering | 13 | 124 | 440 | 1014 |
| 622 | Neuropsychology | 11 | 123 | 1441 | 2233 |
| 622 | Radiochemistry | 10 | 123 | 635 | 627 |
| 622 | Heterocyclic compounds | 9 | 123 | 646 | 538 |
| 625 | Andrology | 2 | 122 | 1008 | 566 |
| 625 | Immunopathology | 7 | 122 | 1139 | 1502 |
| 625 | drug resistance | 8 | 122 | 358 | 634 |
| 628 | Quantum Chemistry | 5 | 121 | 828 | 576 |
| 628 | Soft Condensed Matter | 6 | 121 | 908 | 1008 |
| 630 | Nuclear Chemistry | 9 | 120 | 746 | 729 |
| 630 | Health Education | 9 | 120 | 1263 | 1586 |
| 630 | structural stability | 8 | 120 | 266 | 347 |
| 633 | carcinogens | 3 | 119 | 1248 | 1176 |
| 633 | mutagens | 2 | 119 | 1238 | 1084 |
| 635 | Cell death | 7 | 117 | 999 | 1550 |
| 636 | Numerical Analysis | 10 | 116 | 1628 | 1690 |
| 636 | Elderly | 8 | 116 | 861 | 600 |
| 636 | health planning | 14 | 116 | 1032 | 1846 |
| 639 | disabilities | 3 | 115 | 909 | 623 |
| 639 | Spine | 5 | 115 | 675 | 854 |
| 641 | Regional Planning | 6 | 114 | 1317 | 1242 |
| 641 | Research Design | 23 | 114 | 356 | 1208 |
| 641 | Soil dynamics | 4 | 114 | 457 | 391 |
| 644 | Petroleum Geology | 7 | 113 | 386 | 512 |
| 644 | industrial hygiene | 8 | 113 | 723 | 629 |
| 644 | Molecular Imaging | 6 | 113 | 591 | 819 |
| 644 | Light | 5 | 113 | 945 | 1345 |
| 644 | Seaweed | 4 | 113 | 595 | 623 |
| 644 | concrete | 11 | 113 | 545 | 1141 |
| 644 | Europa | 2 | 113 | 761 | 431 |
| 651 | Nanoelectronics | 19 | 112 | 273 | 562 |
| 651 | landscapes | 2 | 112 | 281 | 116 |
| 651 | Mechanics | 8 | 112 | 966 | 902 |
| 651 | Electrophysiology | 13 | 112 | 580 | 948 |
| 651 | cryosphere | 1 | 112 | 754 | 415 |
| 651 | Semiconductor industry | 19 | 112 | 190 | 436 |
| 651 | Extreme environments | 2 | 112 | 346 | 256 |
| 658 | Adaptive control systems | 7 | 111 | 347 | 357 |
| 658 | cytokines | 10 | 111 | 746 | 1520 |
| 658 | natural gas | 4 | 111 | 397 | 358 |
| 661 | food industry | 12 | 110 | 173 | 304 |
| 661 | mathematical analysis | 17 | 110 | 1403 | 1654 |
| 661 | gastrointestinal tract | 2 | 110 | 500 | 363 |
| 664 | Financial Institutions | 8 | 108 | 171 | 320 |
| 664 | textile fibers | 8 | 108 | 281 | 215 |
| 666 | Petroleum Engineering | 11 | 107 | 404 | 654 |
| 666 | Biogeochemistry | 5 | 107 | 1044 | 1409 |
| 666 | Chemical structure | 14 | 107 | 115 | 215 |
| 669 | Marine Geophysics | 6 | 106 | 155 | 160 |
| 669 | Mental Health Services | 8 | 106 | 875 | 1126 |
| 671 | Geosynthetics | 5 | 105 | 111 | 97 |
| 671 | community development | 5 | 105 | 462 | 442 |
| 671 | Immunopharmacology | 10 | 105 | 533 | 1055 |
| 671 | Cell division | 4 | 105 | 535 | 591 |
| 671 | Substance Abuse | 12 | 105 | 786 | 1337 |
| 671 | Drug discovery | 6 | 105 | 151 | 263 |
| 677 | Groundwater | 3 | 104 | 847 | 603 |
| 678 | Dynamics | 12 | 102 | 1100 | 1376 |
| 678 | Forensic Toxicology | 7 | 102 | 36 | 42 |
| 678 | Immunohistochemistry | 4 | 102 | 177 | 101 |
| 678 | Quantum theory | 10 | 102 | 641 | 854 |
| 682 | weather | 5 | 99 | 470 | 564 |
| 683 | Comparative Education | 3 | 98 | 285 | 96 |
| 683 | bioclimatology | 4 | 98 | 976 | 873 |
| 683 | Climate | 4 | 98 | 593 | 664 |
| 686 | Public Relations | 2 | 97 | 698 | 298 |
| 686 | Wildlife conservation | 4 | 97 | 1269 | 1521 |
| 686 | Leukemia | 16 | 97 | 686 | 1399 |
| 686 | Crystal growth | 7 | 97 | 797 | 1064 |
| 690 | Emerging infectious diseases | 7 | 96 | 174 | 347 |
| 690 | Inflammation | 7 | 96 | 938 | 1626 |
| 690 | Protective coatings | 2 | 96 | 263 | 40 |
| 693 | Learning | 6 | 95 | 1064 | 1364 |
| 694 | Marine mineral resources | 4 | 94 | 124 | 66 |
| 694 | Foodborne diseases | 4 | 94 | 253 | 263 |
| 694 | Seabed | 4 | 94 | 124 | 66 |
| 694 | sexual behavior | 30 | 94 | 103 | 684 |
| 698 | Calorimetry | 5 | 93 | 1105 | 936 |
| 698 | Thermal analysis | 5 | 93 | 1105 | 936 |
| 700 | water resources | 1 | 92 | 719 | 290 |
| 700 | city planning | 7 | 92 | 1256 | 1416 |
| 700 | kidney | 2 | 92 | 109 | 102 |
| 703 | locomotion | 8 | 91 | 462 | 679 |
| 703 | posture | 8 | 91 | 462 | 679 |
| 703 | gait | 8 | 91 | 462 | 679 |
| 703 | walking | 8 | 91 | 462 | 679 |
| 707 | Orthopedics | 15 | 90 | 827 | 1699 |
| 707 | Cosmochemistry | 3 | 90 | 1108 | 1074 |
| 707 | Trademarks | 1 | 90 | 315 | 65 |
| 707 | alcoholism | 11 | 90 | 855 | 1643 |
| 711 | health behavior | 5 | 89 | 859 | 1058 |
| 711 | Functional foods | 2 | 89 | 588 | 383 |
| 713 | Crystallography | 17 | 88 | 855 | 1126 |
| 713 | Pharmacy management | 29 | 88 | 43 | 217 |
| 713 | Radioisotopes | 5 | 88 | 1167 | 1016 |
| 716 | Paleoecology | 5 | 86 | 969 | 1187 |
| 716 | Hydrocarbons | 5 | 86 | 98 | 83 |
| 716 | computer networks | 7 | 86 | 1930 | 2232 |
| 719 | Housing | 4 | 85 | 422 | 510 |
| 719 | Iron | 5 | 85 | 370 | 372 |
| 719 | body temperature | 4 | 85 | 445 | 427 |
| 722 | Pediatric Neurology | 7 | 84 | 834 | 1851 |
| 722 | Fermentation | 4 | 84 | 269 | 242 |
| 724 | Urban Planning | 3 | 83 | 450 | 446 |
| 725 | Radiology | 12 | 82 | 980 | 1509 |
| 725 | Solar power plants | 1 | 82 | 459 | 292 |
| 725 | Photovoltaic Cells | 1 | 82 | 462 | 292 |
| 728 | Geography | 9 | 81 | 1647 | 2421 |
| 728 | Plant tissue culture | 7 | 81 | 505 | 847 |
| 728 | Finite Element Method | 2 | 81 | 451 | 269 |
| 728 | nuclear power | 4 | 81 | 533 | 315 |
| 728 | Steroids | 11 | 81 | 576 | 1181 |
| 728 | Plant cell culture | 7 | 81 | 432 | 835 |
| 734 | Statistics | 34 | 80 | 947 | 2386 |
| 734 | Psychiatric Nursing | 4 | 80 | 666 | 571 |
| 736 | environmental indicators | 3 | 79 | 1387 | 1527 |
| 736 | Paleogeography | 3 | 79 | 1080 | 1149 |
| 736 | Microbial Metabolism | 4 | 79 | 137 | 307 |
| 739 | Systems Engineering | 23 | 78 | 699 | 1890 |
| 739 | Food service management | 2 | 78 | 513 | 606 |
| 739 | Biodiversity conservation | 9 | 78 | 1162 | 2415 |
| 739 | Freeze-Drying | 7 | 78 | 279 | 404 |
| 739 | Hypothermia | 7 | 78 | 279 | 404 |
| 739 | Freeze Drying | 7 | 78 | 279 | 404 |
| 739 | Birth control | 5 | 78 | 359 | 554 |
| 746 | Traffic Engineering | 3 | 77 | 476 | 523 |
| 746 | Econometrics | 13 | 77 | 709 | 1229 |
| 746 | Thrombosis | 8 | 77 | 840 | 1455 |
| 746 | Microwaves | 3 | 77 | 1350 | 743 |
| 750 | Extracellular matrix | 3 | 76 | 318 | 487 |
| 750 | collagen | 3 | 76 | 338 | 503 |
| 752 | drug addiction | 8 | 75 | 778 | 1469 |
| 752 | Exercise | 7 | 75 | 978 | 1204 |
| 754 | Dietetics | 2 | 74 | 1264 | 749 |
| 755 | Political Science | 15 | 73 | 951 | 1351 |
| 755 | Drug targeting | 5 | 73 | 187 | 456 |
| 755 | Pregnancy | 5 | 73 | 805 | 953 |
| 758 | Magnetic Resonance Spectroscopy | 2 | 72 | 1736 | 1250 |
| 758 | nuclear magnetic resonance spectroscopy | 2 | 72 | 1122 | 755 |
| 758 | NMR | 2 | 72 | 836 | 479 |
| 758 | magnetic resonance | 2 | 72 | 878 | 511 |
| 762 | Paleontology | 5 | 71 | 1236 | 1295 |
| 762 | Lung Transplantation | 2 | 71 | 903 | 627 |
| 762 | Plant Biotechnology | 11 | 71 | 385 | 1016 |
| 762 | Heart transplantation | 2 | 71 | 903 | 627 |
| 762 | Child Development | 6 | 71 | 1675 | 2446 |
| 762 | Astrocytes | 1 | 71 | 960 | 919 |
| 762 | Pakistan | 8 | 71 | 221 | 128 |
| 762 | synthesis | 10 | 71 | 601 | 866 |
| 770 | Tribology | 3 | 70 | 1485 | 1312 |
| 770 | ethnicity | 5 | 70 | 563 | 537 |
| 770 | North America | 3 | 70 | 1101 | 887 |
| 770 | Vision | 3 | 70 | 759 | 895 |
| 770 | Decision making | 9 | 70 | 906 | 1631 |
| 770 | Fluorescence | 9 | 70 | 165 | 374 |
| 776 | Artificial Organs | 6 | 69 | 558 | 657 |
| 776 | Telecommunication | 18 | 69 | 962 | 2010 |
| 776 | biocatalysis | 1 | 69 | 405 | 515 |
| 776 | Homogeneous catalysis | 1 | 69 | 405 | 515 |
| 776 | Heterogeneous catalysis | 1 | 69 | 405 | 515 |
| 781 | Otolaryngology | 6 | 68 | 475 | 701 |
| 781 | Infection control | 3 | 68 | 867 | 902 |
| 781 | Adhesion | 5 | 68 | 535 | 671 |
| 781 | Export Marketing | 2 | 68 | 312 | 344 |
| 781 | adhesives | 5 | 68 | 584 | 679 |
| 786 | Gene expression regulation | 8 | 67 | 693 | 1474 |
| 786 | Genetic regulation | 8 | 67 | 843 | 1866 |
| 786 | ecosystem | 7 | 67 | 1018 | 1986 |
| 789 | Environmental Psychology | 2 | 66 | 523 | 591 |
| 789 | Molecular recognition | 3 | 66 | 231 | 265 |
| 789 | Forest Management | 3 | 66 | 1215 | 1363 |
| 792 | Adolescent Medicine | 10 | 65 | 314 | 1204 |
| 792 | epilepsy | 7 | 65 | 737 | 1224 |
| 792 | adolescence | 10 | 65 | 493 | 1105 |
| 792 | land degradation | 4 | 65 | 454 | 693 |
| 792 | antibiotics | 10 | 65 | 194 | 511 |
| 792 | degradation | 4 | 65 | 454 | 693 |
| 792 | Mollusks | 6 | 65 | 120 | 143 |
| 799 | Language Disorders | 2 | 64 | 1193 | 913 |
| 799 | Horticulture | 4 | 64 | 824 | 781 |
| 799 | Phonetics | 5 | 64 | 241 | 350 |
| 799 | Total Quality Management | 3 | 64 | 616 | 612 |
| 799 | Hospitals | 4 | 64 | 715 | 858 |
| 804 | Environmental Law | 2 | 63 | 1667 | 2013 |
| 804 | Sustainable agriculture | 6 | 63 | 518 | 879 |
| 804 | nuclear astrophysics | 3 | 63 | 610 | 625 |
| 804 | Raman spectroscopy | 2 | 63 | 1231 | 1062 |
| 804 | Infrared spectroscopy | 2 | 63 | 523 | 406 |
| 804 | foreign exchange | 2 | 63 | 514 | 513 |
| 804 | Protozoa | 5 | 63 | 355 | 590 |
| 811 | Ecological Engineering | 4 | 62 | 622 | 1100 |
| 811 | Writing | 1 | 62 | 546 | 351 |
| 811 | Reading | 1 | 62 | 1009 | 615 |
| 811 | Antarctica | 4 | 62 | 536 | 525 |
| 815 | Educational Leadership | 4 | 61 | 131 | 99 |
| 815 | Hemostasis | 7 | 61 | 627 | 1071 |
| 815 | Ethnic relations | 3 | 61 | 677 | 428 |
| 815 | Geodesy | 9 | 61 | 383 | 886 |
| 815 | Transport | 1 | 61 | 1246 | 893 |
| 815 | Sea | 1 | 61 | 1117 | 738 |
| 815 | Fishery resources | 1 | 61 | 1258 | 815 |
| 815 | behavior therapy | 2 | 61 | 1176 | 1065 |
| 815 | commerce | 10 | 61 | 936 | 1691 |
| 815 | Fuzzy systems | 9 | 61 | 1029 | 1588 |
| 825 | Software Engineering | 11 | 60 | 563 | 996 |
| 825 | Product life cycle | 3 | 60 | 365 | 495 |
| 825 | green products | 3 | 60 | 319 | 483 |
| 825 | DNA | 2 | 60 | 967 | 730 |
| 825 | recreation | 2 | 60 | 945 | 580 |
| 830 | Information Systems | 3 | 59 | 1764 | 1862 |
| 830 | Lymphoma | 12 | 59 | 367 | 388 |
| 830 | Building | 3 | 59 | 960 | 773 |
| 830 | Safety management | 8 | 59 | 266 | 502 |
| 830 | internet | 11 | 59 | 581 | 1254 |
| 835 | Orthopedic Surgery | 9 | 58 | 531 | 1132 |
| 835 | amino acids | 3 | 58 | 709 | 923 |
| 837 | Serology | 7 | 57 | 301 | 669 |
| 837 | Taste | 3 | 57 | 325 | 384 |
| 837 | smell | 3 | 57 | 325 | 384 |
| 837 | weight loss | 1 | 57 | 356 | 180 |
| 837 | traffic safety | 4 | 57 | 277 | 336 |
| 842 | Surveying | 8 | 56 | 89 | 108 |
| 842 | Industrial Safety | 4 | 56 | 1226 | 1401 |
| 842 | Continuing Education | 5 | 56 | 324 | 326 |
| 842 | Marine biodiversity | 5 | 56 | 224 | 207 |
| 842 | Plant diseases | 6 | 56 | 1725 | 2205 |
| 842 | Mountains | 2 | 56 | 649 | 322 |
| 848 | International Relations | 7 | 55 | 901 | 887 |
| 848 | Stochastic Processes | 7 | 55 | 661 | 943 |
| 848 | Ferroelectricity | 11 | 55 | 527 | 751 |
| 848 | Respiratory Infections | 6 | 55 | 259 | 503 |
| 848 | Plasma polymerization | 2 | 55 | 397 | 374 |
| 848 | Agricultural systems | 1 | 55 | 687 | 602 |
| 848 | India | 10 | 55 | 1000 | 1108 |
| 848 | Influenza | 6 | 55 | 173 | 409 |
| 856 | Animal Nutrition | 8 | 54 | 365 | 682 |
| 856 | Food preferences | 3 | 54 | 425 | 594 |
| 856 | organization | 5 | 54 | 641 | 1075 |
| 859 | Health Services Administration | 11 | 53 | 515 | 1531 |
| 859 | Child psychology | 1 | 53 | 2847 | 2207 |
| 859 | Molecules | 4 | 53 | 1674 | 1673 |
| 859 | Sulfur | 5 | 53 | 52 | 71 |
| 859 | Algal blooms | 3 | 53 | 349 | 567 |
| 859 | cell interaction | 3 | 53 | 1470 | 1875 |
| 859 | Cyanobacteria | 3 | 53 | 349 | 567 |
| 859 | lasers | 5 | 53 | 1934 | 1949 |
| 859 | Textile industry | 4 | 53 | 584 | 482 |
| 859 | microalgae | 3 | 53 | 349 | 567 |
| 869 | Ethics | 2 | 52 | 1456 | 990 |
| 869 | Mining Geology | 5 | 52 | 57 | 92 |
| 869 | Industrial Ecology | 1 | 52 | 430 | 378 |
| 869 | Cross-Cultural Studies | 4 | 52 | 638 | 832 |
| 869 | Coral reef biology | 3 | 52 | 180 | 253 |
| 869 | air quality | 3 | 52 | 241 | 340 |
| 869 | Semigroups | 6 | 52 | 181 | 150 |
| 869 | Probiotics | 3 | 52 | 181 | 234 |
| 869 | cross-cultural comparison | 4 | 52 | 497 | 623 |
| 869 | psychotherapy | 4 | 52 | 1369 | 1714 |
| 869 | human development | 3 | 52 | 849 | 1091 |
| 880 | Kinetics | 2 | 51 | 792 | 607 |
| 880 | Climate change | 3 | 51 | 1253 | 2154 |
| 880 | Eutrophication | 3 | 51 | 1190 | 2091 |
| 880 | Energy Harvesting | 2 | 51 | 658 | 898 |
| 880 | Multimedia Systems | 9 | 51 | 1080 | 1736 |
| 885 | Marine Ecology | 9 | 50 | 471 | 928 |
| 885 | Systems Biology | 5 | 50 | 1581 | 2214 |
| 885 | Cognitive Therapy | 2 | 50 | 915 | 826 |
| 885 | Welding | 2 | 50 | 471 | 165 |
| 889 | Pediatric Nursing | 3 | 49 | 583 | 599 |
| 889 | Cognitive Behavioral Therapy | 1 | 49 | 498 | 345 |
| 889 | Metallography | 3 | 49 | 980 | 1143 |
| 889 | Antibodies | 8 | 49 | 450 | 1096 |
| 889 | environmental issues | 3 | 49 | 512 | 743 |
| 894 | Functional Analysis | 6 | 48 | 1110 | 1361 |
| 894 | Organizational Behavior | 3 | 48 | 652 | 874 |
| 894 | women's rights | 1 | 48 | 465 | 243 |
| 894 | breastfeeding | 8 | 48 | 258 | 749 |
| 894 | cloning | 5 | 48 | 624 | 1463 |
| 899 | Neuropharmacology | 3 | 47 | 691 | 932 |
| 899 | Visual Perception | 7 | 47 | 1446 | 2744 |
| 899 | shellfish | 5 | 47 | 128 | 219 |
| 899 | Attention | 6 | 47 | 1622 | 2831 |
| 899 | planning | 5 | 47 | 587 | 866 |
| 899 | Perception | 7 | 47 | 1610 | 2945 |
| 905 | Bioenergetics | 3 | 46 | 1047 | 1446 |
| 905 | Vocational Education | 7 | 46 | 332 | 578 |
| 905 | Coatings | 3 | 46 | 116 | 43 |
| 905 | Supramolecular chemistry | 5 | 46 | 166 | 248 |
| 905 | Sexual health | 3 | 46 | 905 | 952 |
| 905 | Paint | 3 | 46 | 27 | 38 |
| 905 | Cell metabolism | 1 | 46 | 1458 | 1568 |
| 912 | poverty | 2 | 45 | 641 | 604 |
| 912 | Computational Intelligence | 2 | 45 | 1534 | 1102 |
| 912 | healthcare disparities | 2 | 45 | 767 | 682 |
| 912 | polar regions | 3 | 45 | 835 | 930 |
| 912 | Arthropods | 2 | 45 | 364 | 253 |
| 912 | anesthesia | 4 | 45 | 622 | 524 |
| 918 | Telecommunications | 6 | 44 | 567 | 911 |
| 918 | Histochemistry | 4 | 44 | 1178 | 1527 |
| 918 | Obstetric Nursing | 2 | 44 | 523 | 419 |
| 918 | Hospitality industry | 2 | 44 | 596 | 571 |
| 918 | immunoassay | 5 | 44 | 121 | 170 |
| 923 | Developmental Psychology | 1 | 43 | 1904 | 1502 |
| 923 | Computational Linguistics | 9 | 43 | 228 | 532 |
| 923 | Adsorption | 4 | 43 | 174 | 311 |
| 923 | Bioinorganic chemistry | 4 | 43 | 1458 | 2067 |
| 923 | Intelligent Control Systems | 3 | 43 | 1432 | 1155 |
| 923 | Animal welfare | 6 | 43 | 190 | 497 |
| 923 | Communication | 7 | 43 | 1549 | 2411 |
| 930 | Occupational Therapy | 3 | 42 | 1294 | 1080 |
| 930 | Vocational guidance | 4 | 42 | 807 | 1229 |
| 930 | Insect biochemistry | 1 | 42 | 897 | 791 |
| 933 | Telecommunication Systems | 8 | 41 | 1134 | 1942 |
| 933 | Internet of Things | 4 | 41 | 651 | 786 |
| 933 | Signal Transduction | 2 | 41 | 2100 | 2507 |
| 933 | soil microbiology | 5 | 41 | 1328 | 2817 |
| 933 | Erosion | 2 | 41 | 120 | 170 |
| 933 | Ultrasonic Imaging | 2 | 41 | 796 | 848 |
| 933 | Ultrasound | 2 | 41 | 850 | 926 |
| 940 | Hematopoietic stem cell transplantation | 1 | 40 | 972 | 964 |
| 940 | RNA | 1 | 40 | 1071 | 1011 |
| 940 | wood | 3 | 40 | 535 | 590 |
| 940 | liver | 2 | 40 | 496 | 492 |
| 940 | international cooperation | 5 | 40 | 460 | 1026 |
| 940 | sports injuries | 7 | 40 | 344 | 652 |
| 946 | Photonics | 3 | 39 | 2027 | 2576 |
| 946 | Psychometrics | 3 | 39 | 502 | 635 |
| 946 | embryonic development | 2 | 39 | 644 | 796 |
| 946 | Aerosols | 2 | 39 | 860 | 879 |
| 946 | Social policy | 5 | 39 | 886 | 1211 |
| 946 | Geobiology | 1 | 39 | 953 | 818 |
| 946 | water supply | 2 | 39 | 1368 | 1646 |
| 946 | Capital market | 4 | 39 | 348 | 672 |
| 946 | sex differences | 3 | 39 | 132 | 277 |
| 946 | aerosol | 2 | 39 | 599 | 613 |
| 956 | Wireless Communication Systems | 5 | 38 | 1933 | 2364 |
| 956 | Globalization | 2 | 38 | 821 | 867 |
| 956 | Wildlife management | 1 | 38 | 1190 | 820 |
| 956 | organizational effectiveness | 3 | 38 | 466 | 621 |
| 956 | Physical fitness | 4 | 38 | 1094 | 1569 |
| 961 | Neurobiology | 4 | 37 | 1905 | 3151 |
| 961 | Radiation Oncology | 3 | 37 | 446 | 687 |
| 961 | Multiphase Flow | 2 | 37 | 546 | 669 |
| 961 | Transnational corporations | 5 | 37 | 186 | 558 |
| 961 | Histocompatibility Testing | 2 | 37 | 939 | 950 |
| 961 | Hemophilia | 7 | 37 | 369 | 713 |
| 961 | peptides | 6 | 37 | 728 | 1356 |
| 961 | Alzheimer's disease | 29 | 37 | 528 | 1705 |
| 961 | Business communication | 1 | 37 | 329 | 231 |
| 970 | Computer Engineering | 2 | 36 | 1314 | 1178 |
| 970 | Molecular Pharmacology | 2 | 36 | 1192 | 1620 |
| 970 | Agricultural Education | 2 | 36 | 198 | 122 |
| 970 | Urban Policy | 4 | 36 | 756 | 1306 |
| 970 | Heat Exchangers | 6 | 36 | 958 | 2118 |
| 970 | dietary supplements | 8 | 36 | 425 | 1487 |
| 970 | baking | 4 | 36 | 189 | 368 |
| 970 | Yeast | 4 | 36 | 428 | 857 |
| 978 | Organizational change | 2 | 35 | 1056 | 1033 |
| 978 | Autism spectrum disorders | 1 | 35 | 175 | 150 |
| 978 | Multiple Myeloma | 10 | 35 | 411 | 507 |
| 978 | Radio wave propagation | 1 | 35 | 1580 | 1030 |
| 978 | Plant breeding | 2 | 35 | 1253 | 1352 |
| 983 | Anthropology | 1 | 34 | 3239 | 2010 |
| 983 | Cognitive Psychology | 2 | 34 | 618 | 533 |
| 983 | Optical Communications | 3 | 34 | 758 | 838 |
| 983 | Morphology | 6 | 34 | 674 | 1119 |
| 983 | Human evolution | 1 | 34 | 803 | 803 |
| 983 | histological techniques | 3 | 34 | 843 | 1497 |
| 983 | administrative agencies | 1 | 34 | 623 | 388 |
| 983 | civil service | 2 | 34 | 536 | 544 |
| 983 | Convergence | 1 | 34 | 123 | 158 |
| 983 | Mites | 7 | 34 | 279 | 595 |
| 993 | Emergency Medical Services | 4 | 33 | 840 | 1284 |
| 993 | Pediatric Endocrinology | 10 | 33 | 115 | 417 |
| 993 | Tissue Engineering | 2 | 33 | 497 | 579 |
| 993 | Regenerative Medicine | 2 | 33 | 208 | 192 |
| 993 | Anti-inflammatory agents | 3 | 33 | 267 | 420 |
| 993 | Crystallization | 6 | 33 | 417 | 659 |
| 993 | Metabolic disorders in children | 8 | 33 | 116 | 356 |
| 993 | free radicals | 5 | 33 | 1381 | 2747 |