| 1 | Science | 594 | 17.7K | 493 | 1031 |
| 2 | Physics | 499 | 17.4K | 741 | 1121 |
| 3 | Ecology | 326 | 15.9K | 414 | 477 |
| 4 | Biology | 481 | 15.3K | 569 | 1107 |
| 5 | Biochemistry | 457 | 11.5K | 765 | 985 |
| 6 | Public Health | 709 | 11.5K | 118 | 309 |
| 7 | Medicine | 487 | 11.4K | 616 | 989 |
| 8 | Botany | 599 | 9.7K | 105 | 355 |
| 9 | Environment | 109 | 9.5K | 689 | 564 |
| 10 | Pollution | 142 | 9.4K | 627 | 531 |
| 11 | Mycology | 126 | 9.2K | 82 | 25 |
| 12 | Fungi | 93 | 8.8K | 51 | 15 |
| 13 | Solid State Physics | 373 | 8.7K | 294 | 366 |
| 14 | Condensed Matter | 339 | 8.2K | 298 | 378 |
| 15 | Chemistry | 250 | 8.0K | 1269 | 1425 |
| 16 | Statistics | 180 | 7.8K | 170 | 137 |
| 17 | Statistical physics | 468 | 7.6K | 126 | 277 |
| 18 | Research | 301 | 7.4K | 722 | 922 |
| 19 | environmental pollution | 113 | 7.1K | 520 | 342 |
| 20 | Microbiology | 241 | 7.0K | 615 | 900 |
| 21 | Biotechnology | 223 | 7.0K | 466 | 707 |
| 22 | Marine Biology | 257 | 6.0K | 96 | 177 |
| 23 | Natural history | 152 | 5.8K | 340 | 1227 |
| 24 | Molecular Biology | 224 | 5.3K | 956 | 1483 |
| 25 | Geology | 233 | 4.7K | 230 | 321 |
| 26 | Nuclear Physics | 303 | 4.6K | 528 | 752 |
| 27 | Water pollution | 154 | 4.5K | 162 | 291 |
| 28 | Biophysics | 123 | 4.3K | 961 | 898 |
| 29 | Earth Sciences | 220 | 4.3K | 136 | 337 |
| 30 | Latin America | 327 | 4.1K | 12 | 9 |
| 31 | Mathematics | 324 | 4.1K | 448 | 463 |
| 32 | Pharmacognosy | 124 | 3.8K | 73 | 112 |
| 33 | Analytical Chemistry | 110 | 3.8K | 682 | 645 |
| 34 | Pharmacology | 216 | 3.7K | 560 | 862 |
| 35 | Chemical Engineering | 138 | 3.6K | 677 | 880 |
| 36 | Tropical Medicine | 226 | 3.6K | 21 | 52 |
| 37 | Nonlinear Dynamics | 230 | 3.6K | 82 | 214 |
| 38 | Neurology | 169 | 3.5K | 735 | 1148 |
| 39 | Marine Pollution | 92 | 3.5K | 40 | 65 |
| 40 | Biodiversity conservation | 42 | 3.4K | 340 | 377 |
| 41 | Bioengineering | 74 | 3.4K | 745 | 836 |
| 42 | Pharmaceutical Chemistry | 111 | 3.3K | 516 | 594 |
| 43 | Wildlife conservation | 37 | 3.2K | 201 | 111 |
| 44 | Biomedical Engineering | 128 | 3.2K | 604 | 748 |
| 45 | Antarctica | 195 | 3.2K | 7 | 9 |
| 46 | Medicinal plants | 78 | 3.0K | 72 | 84 |
| 47 | Optics | 165 | 2.9K | 581 | 608 |
| 48 | Environmental Health | 114 | 2.9K | 670 | 1008 |
| 49 | Biomass Energy | 60 | 2.8K | 334 | 383 |
| 50 | Health Policy | 202 | 2.6K | 92 | 238 |
| 51 | Physiology | 127 | 2.6K | 539 | 791 |
| 52 | Biochemical Engineering | 75 | 2.6K | 567 | 930 |
| 53 | Bacteriology | 113 | 2.6K | 168 | 374 |
| 54 | Public Health Administration | 190 | 2.5K | 11 | 12 |
| 55 | Plant Ecology | 101 | 2.5K | 117 | 278 |
| 56 | Colloids | 92 | 2.4K | 646 | 821 |
| 57 | food technology | 62 | 2.4K | 376 | 322 |
| 58 | Organic Chemistry | 75 | 2.4K | 562 | 523 |
| 59 | Zoology | 140 | 2.4K | 177 | 278 |
| 60 | Mathematical Physics | 147 | 2.3K | 247 | 350 |
| 61 | Surface Chemistry | 83 | 2.3K | 712 | 795 |
| 62 | Geography | 85 | 2.3K | 222 | 279 |
| 63 | Mineralogy | 34 | 2.2K | 356 | 197 |
| 64 | Human genetics | 16 | 2.2K | 1062 | 1198 |
| 65 | Nutrition | 134 | 2.2K | 446 | 848 |
| 66 | Neural circuitry | 85 | 2.1K | 124 | 226 |
| 67 | Materials | 122 | 2.1K | 1154 | 1602 |
| 68 | Toxicology | 123 | 2.1K | 586 | 1004 |
| 69 | Environmental monitoring | 66 | 2.0K | 586 | 824 |
| 70 | Climate change | 3 | 2.0K | 1027 | 493 |
| 70 | Eutrophication | 3 | 2.0K | 968 | 489 |
| 72 | Petrology | 23 | 2.0K | 333 | 186 |
| 73 | Immunology | 92 | 1.7K | 584 | 1057 |
| 74 | Bioorganic chemistry | 41 | 1.7K | 745 | 602 |
| 75 | Operations Research | 84 | 1.7K | 228 | 361 |
| 76 | Parasitology | 95 | 1.7K | 190 | 314 |
| 77 | Epidemiology | 96 | 1.7K | 475 | 759 |
| 78 | environmental protection | 88 | 1.7K | 336 | 710 |
| 79 | Oceanography | 86 | 1.7K | 251 | 416 |
| 80 | Clinical Chemistry | 48 | 1.6K | 663 | 671 |
| 81 | Plant Morphology | 77 | 1.5K | 9 | 17 |
| 82 | Luminescence | 77 | 1.5K | 49 | 54 |
| 83 | Biogeography | 24 | 1.5K | 235 | 253 |
| 84 | Conservation Biology | 24 | 1.5K | 268 | 222 |
| 84 | Renewable Energy Sources | 47 | 1.5K | 441 | 898 |
| 86 | Ethnology | 96 | 1.5K | 69 | 91 |
| 87 | Genetics | 58 | 1.5K | 792 | 1352 |
| 88 | Biodiversity | 82 | 1.4K | 176 | 491 |
| 89 | Image Processing | 39 | 1.4K | 542 | 538 |
| 89 | Information Science | 73 | 1.4K | 241 | 462 |
| 91 | Evolution | 61 | 1.4K | 291 | 541 |
| 92 | Industrial Safety | 52 | 1.4K | 97 | 119 |
| 93 | Primates | 41 | 1.4K | 98 | 90 |
| 94 | Industrial Microbiology | 46 | 1.3K | 256 | 442 |
| 95 | Computational Biology | 29 | 1.3K | 691 | 687 |
| 96 | Food | 54 | 1.3K | 526 | 735 |
| 97 | Nanotechnology | 69 | 1.3K | 1165 | 1698 |
| 98 | biological evolution | 34 | 1.3K | 532 | 672 |
| 99 | computer networks | 63 | 1.3K | 336 | 454 |
| 100 | Electrical Engineering | 88 | 1.3K | 527 | 484 |
| 101 | Artificial Intelligence | 82 | 1.3K | 536 | 961 |
| 102 | Medical Physics | 28 | 1.3K | 561 | 476 |
| 103 | Agriculture | 62 | 1.2K | 261 | 405 |
| 104 | Molecular structure | 111 | 1.2K | 132 | 543 |
| 105 | Signal Processing | 54 | 1.2K | 552 | 708 |
| 106 | Hydrology | 74 | 1.2K | 307 | 580 |
| 107 | Catalysis | 54 | 1.2K | 1022 | 1373 |
| 108 | Sports Medicine | 78 | 1.2K | 342 | 554 |
| 109 | Spectrum analysis | 75 | 1.2K | 912 | 1326 |
| 110 | Soil Science | 37 | 1.2K | 376 | 416 |
| 111 | Environmental Management | 42 | 1.2K | 599 | 919 |
| 112 | Psychology | 174 | 1.2K | 465 | 1171 |
| 113 | Photonics | 34 | 1.1K | 562 | 620 |
| 114 | Psychiatry | 51 | 1.1K | 1027 | 1389 |
| 115 | Education | 196 | 1.1K | 234 | 671 |
| 116 | Bioinformatics | 21 | 1.1K | 745 | 629 |
| 117 | Quality Control | 52 | 1.1K | 135 | 252 |
| 118 | Entomology | 70 | 1.1K | 322 | 440 |
| 119 | Environmental Engineering | 85 | 1.0K | 458 | 1201 |
| 120 | Fisheries | 42 | 1.0K | 303 | 355 |
| 121 | ecosystem | 38 | 1.0K | 225 | 398 |
| 122 | Optical materials | 56 | 1.0K | 542 | 978 |
| 123 | Software Engineering | 66 | 994 | 71 | 202 |
| 124 | Cell Biology | 45 | 978 | 1130 | 1995 |
| 124 | Microbial Biotechnology | 28 | 978 | 101 | 98 |
| 126 | Polymers | 67 | 969 | 1113 | 1510 |
| 127 | Neurophysiology | 51 | 967 | 674 | 1116 |
| 128 | Behavior | 42 | 948 | 752 | 1184 |
| 129 | actuators | 26 | 945 | 697 | 686 |
| 129 | transducers | 26 | 945 | 697 | 686 |
| 131 | Cytology | 48 | 943 | 1180 | 1999 |
| 131 | Forest Ecology | 29 | 943 | 221 | 269 |
| 133 | Biosensors | 15 | 939 | 518 | 475 |
| 133 | Water quality management | 53 | 939 | 206 | 301 |
| 135 | Geochemistry | 38 | 935 | 560 | 703 |
| 136 | Bioelectronics | 14 | 926 | 433 | 418 |
| 137 | Plant physiology | 34 | 925 | 564 | 790 |
| 138 | Environmental Policy | 35 | 921 | 799 | 1212 |
| 139 | biological factors | 45 | 916 | 256 | 453 |
| 140 | Surface-Active Agents | 25 | 913 | 190 | 211 |
| 140 | Surface properties | 25 | 913 | 208 | 235 |
| 142 | human behavior | 40 | 912 | 528 | 976 |
| 143 | Nervous system | 34 | 908 | 663 | 952 |
| 144 | Technology | 38 | 896 | 1063 | 1112 |
| 145 | Marine Ecology | 56 | 885 | 48 | 101 |
| 146 | Microbial Ecology | 19 | 871 | 854 | 993 |
| 147 | Schizophrenia | 8 | 839 | 659 | 393 |
| 148 | Environmental Chemistry | 20 | 836 | 677 | 849 |
| 149 | Sports | 59 | 835 | 343 | 550 |
| 150 | Brain | 46 | 833 | 702 | 1012 |
| 151 | Forest Management | 27 | 827 | 229 | 273 |
| 152 | Quantum Gravity | 51 | 819 | 672 | 843 |
| 153 | Materials Science | 32 | 809 | 1670 | 1869 |
| 154 | polymerization | 53 | 808 | 1066 | 1374 |
| 155 | Parasitic Diseases | 27 | 806 | 512 | 569 |
| 156 | Economics | 102 | 798 | 647 | 1206 |
| 157 | Food Microbiology | 17 | 792 | 408 | 432 |
| 158 | Endocrinology | 48 | 786 | 733 | 1340 |
| 159 | Medical genetics | 21 | 780 | 1163 | 1405 |
| 160 | drugs | 31 | 768 | 528 | 595 |
| 161 | Diet | 31 | 757 | 532 | 865 |
| 162 | global environmental change | 18 | 751 | 209 | 303 |
| 163 | Genomics | 21 | 749 | 1203 | 1208 |
| 164 | cytokines | 27 | 746 | 250 | 381 |
| 165 | Paleoecology | 17 | 745 | 395 | 335 |
| 166 | Electrochemistry | 51 | 736 | 1132 | 1388 |
| 167 | Solar Energy | 26 | 735 | 411 | 585 |
| 168 | Molecular Genetics | 22 | 734 | 595 | 741 |
| 168 | Atomic spectroscopy | 39 | 734 | 160 | 232 |
| 170 | Paleontology | 43 | 723 | 271 | 317 |
| 171 | Metabolism | 57 | 714 | 598 | 1314 |
| 172 | Quantum Optics | 36 | 710 | 113 | 145 |
| 172 | Laser Spectroscopy | 36 | 710 | 102 | 139 |
| 174 | Solid State Chemistry | 52 | 707 | 471 | 691 |
| 175 | Political Science | 55 | 705 | 282 | 382 |
| 176 | Biocompatible Materials | 17 | 701 | 1796 | 1891 |
| 177 | Exercise | 58 | 698 | 128 | 323 |
| 178 | Calorimetry | 44 | 693 | 103 | 138 |
| 178 | Thermal analysis | 44 | 693 | 103 | 138 |
| 180 | Sustainable Development | 25 | 692 | 422 | 644 |
| 181 | rehabilitation | 24 | 691 | 664 | 728 |
| 182 | mathematical analysis | 70 | 690 | 356 | 478 |
| 183 | probabilities | 35 | 689 | 290 | 201 |
| 184 | Paleoclimatology | 17 | 680 | 433 | 400 |
| 185 | Physical Therapy | 31 | 676 | 298 | 446 |
| 186 | Geomorphology | 22 | 674 | 421 | 514 |
| 187 | coal | 21 | 669 | 538 | 651 |
| 188 | Plant diseases | 50 | 666 | 378 | 605 |
| 189 | Plants | 63 | 665 | 293 | 879 |
| 190 | Biomass | 13 | 663 | 175 | 168 |
| 191 | Bioremediation | 19 | 659 | 95 | 129 |
| 192 | Paleogeography | 13 | 646 | 427 | 332 |
| 193 | food handling | 13 | 644 | 277 | 218 |
| 194 | Waste management | 39 | 637 | 177 | 267 |
| 195 | Mental Disorders | 18 | 635 | 1196 | 1316 |
| 196 | management | 56 | 632 | 639 | 1345 |
| 197 | miniaturization | 16 | 628 | 777 | 927 |
| 198 | Molecular Spectroscopy | 36 | 625 | 323 | 432 |
| 199 | Communication | 73 | 624 | 226 | 715 |
| 200 | Pharmacy | 25 | 618 | 670 | 752 |
| 200 | Psychophysiology | 30 | 618 | 905 | 1271 |
| 202 | Geophysics | 35 | 608 | 1176 | 1532 |
| 203 | Power Electronics | 9 | 606 | 657 | 499 |
| 204 | Regional Planning | 29 | 604 | 364 | 467 |
| 204 | Parasites | 32 | 604 | 327 | 449 |
| 206 | natural products | 42 | 602 | 273 | 485 |
| 207 | Database Management | 9 | 601 | 427 | 252 |
| 208 | Soil biology | 10 | 599 | 477 | 460 |
| 209 | Computer Science | 38 | 596 | 309 | 387 |
| 210 | Immunotherapy | 26 | 592 | 561 | 964 |
| 210 | Telecommunication | 29 | 592 | 839 | 979 |
| 212 | mammals | 23 | 591 | 233 | 229 |
| 213 | Medical Laboratory Science | 21 | 585 | 775 | 1028 |
| 213 | Quantum electronics | 15 | 585 | 745 | 455 |
| 215 | soil microbiology | 11 | 574 | 721 | 790 |
| 216 | mycoses | 47 | 571 | 49 | 442 |
| 216 | Soil ecology | 18 | 571 | 190 | 264 |
| 218 | Computer Graphics | 35 | 570 | 400 | 598 |
| 219 | Immunopharmacology | 22 | 561 | 261 | 304 |
| 220 | Biopharmaceutics | 22 | 556 | 272 | 392 |
| 220 | Reproduction | 35 | 556 | 617 | 898 |
| 222 | Serology | 15 | 548 | 97 | 77 |
| 223 | Biodegradation | 20 | 546 | 84 | 166 |
| 224 | Aquaculture | 31 | 536 | 366 | 498 |
| 224 | Vaccines | 17 | 536 | 764 | 765 |
| 226 | Environmental Geology | 16 | 535 | 583 | 526 |
| 227 | Virology | 34 | 534 | 939 | 2019 |
| 228 | Membranes | 16 | 530 | 756 | 906 |
| 229 | Sociology | 42 | 529 | 604 | 1041 |
| 230 | Medical Anthropology | 18 | 526 | 393 | 583 |
| 231 | Histology | 25 | 525 | 575 | 828 |
| 232 | Drug delivery systems | 23 | 524 | 422 | 750 |
| 233 | Pituitary gland | 6 | 522 | 132 | 42 |
| 234 | Pharmaceutical Technology | 22 | 518 | 440 | 570 |
| 235 | Obstetrics | 25 | 513 | 803 | 960 |
| 235 | Water Purification | 34 | 513 | 157 | 269 |
| 237 | Breeding | 16 | 512 | 470 | 470 |
| 238 | Energy Policy | 23 | 509 | 930 | 1472 |
| 239 | disease vectors | 16 | 508 | 302 | 311 |
| 240 | Respiration | 25 | 505 | 434 | 634 |
| 241 | Environmental pollutants | 27 | 502 | 585 | 984 |
| 242 | Microelectronics | 9 | 498 | 1157 | 902 |
| 242 | environmental indicators | 14 | 498 | 384 | 463 |
| 242 | venom | 35 | 498 | 74 | 182 |
| 242 | Toxins | 35 | 498 | 85 | 202 |
| 246 | Radiation | 55 | 497 | 304 | 688 |
| 246 | pollutants | 25 | 497 | 484 | 840 |
| 248 | Autoimmunity | 12 | 492 | 308 | 358 |
| 249 | Medical Microbiology | 24 | 483 | 790 | 1306 |
| 250 | Molecular evolution | 16 | 476 | 544 | 713 |
| 251 | Inflammation | 24 | 470 | 239 | 524 |
| 252 | sustainability | 6 | 469 | 559 | 425 |
| 253 | Autoantibodies | 11 | 464 | 220 | 227 |
| 253 | Autoimmune diseases | 11 | 464 | 248 | 252 |
| 255 | Information Technology | 16 | 461 | 948 | 915 |
| 255 | Developmental Neurobiology | 19 | 461 | 96 | 124 |
| 257 | Mental illness | 13 | 458 | 933 | 1125 |
| 258 | Nanostructured Materials | 26 | 457 | 1176 | 1598 |
| 259 | lasers | 20 | 451 | 850 | 761 |
| 260 | Radiology | 35 | 449 | 326 | 453 |
| 261 | Phylogeny | 21 | 444 | 200 | 421 |
| 262 | Production Management | 38 | 440 | 170 | 660 |
| 263 | Nonlinear functional analysis | 28 | 436 | 195 | 257 |
| 264 | Insects | 38 | 435 | 246 | 486 |
| 265 | gene mapping | 7 | 434 | 1403 | 1158 |
| 266 | Evolutionary Genetics | 20 | 433 | 88 | 159 |
| 266 | Molecular Epidemiology | 20 | 433 | 88 | 159 |
| 268 | Anthropology | 41 | 432 | 294 | 458 |
| 268 | Climatology | 31 | 432 | 469 | 844 |
| 268 | Magnetic Resonance Spectroscopy | 26 | 432 | 333 | 428 |
| 271 | Nursing | 47 | 431 | 272 | 476 |
| 272 | nanoscience | 24 | 430 | 1094 | 1664 |
| 273 | Alternative Medicine | 12 | 429 | 612 | 501 |
| 274 | Chromosomes | 16 | 426 | 330 | 465 |
| 275 | Chromosome mapping | 6 | 422 | 1369 | 984 |
| 276 | Pharmacokinetics | 19 | 421 | 197 | 346 |
| 277 | Building Materials | 23 | 416 | 579 | 987 |
| 278 | Anatomy | 54 | 407 | 331 | 938 |
| 279 | viruses | 9 | 405 | 876 | 934 |
| 280 | Drug design | 26 | 403 | 322 | 694 |
| 281 | Economic History | 65 | 402 | 494 | 1171 |
| 281 | complementary therapies | 12 | 402 | 659 | 550 |
| 283 | city planning | 25 | 401 | 410 | 588 |
| 284 | technical education | 4 | 400 | 533 | 125 |
| 285 | Water | 17 | 399 | 1080 | 1580 |
| 286 | Soil Mechanics | 11 | 398 | 555 | 516 |
| 287 | plant communities | 16 | 393 | 399 | 651 |
| 288 | Electronics | 31 | 392 | 1185 | 1611 |
| 289 | Urology | 30 | 391 | 538 | 946 |
| 290 | Photochemistry | 16 | 386 | 610 | 722 |
| 290 | Phytotherapy | 20 | 386 | 65 | 178 |
| 292 | Aquatic ecology | 20 | 384 | 214 | 333 |
| 293 | Cancer | 18 | 380 | 1563 | 2249 |
| 294 | South America | 30 | 379 | 7 | 5 |
| 295 | health planning | 20 | 376 | 694 | 765 |
| 296 | Agricultural Ecology | 7 | 375 | 646 | 628 |
| 296 | Health Education | 65 | 375 | 250 | 717 |
| 298 | Transportation | 30 | 371 | 440 | 762 |
| 298 | ethnobiology | 16 | 371 | 23 | 74 |
| 300 | Information Systems | 19 | 367 | 378 | 547 |
| 301 | Business Ethics | 2 | 366 | 1081 | 663 |
| 302 | Photobiology | 14 | 363 | 458 | 531 |
| 302 | Chromatographic analysis | 25 | 363 | 533 | 696 |
| 304 | Environmental Toxicology | 21 | 362 | 817 | 1416 |
| 305 | Ethnobotany | 15 | 361 | 18 | 66 |
| 305 | Traditional medicine | 15 | 361 | 19 | 67 |
| 305 | Ethnomedicine | 15 | 361 | 18 | 66 |
| 308 | Production Engineering | 41 | 359 | 379 | 725 |
| 309 | Animal Behavior | 28 | 358 | 535 | 1112 |
| 310 | Meteorology | 10 | 353 | 1274 | 1402 |
| 310 | Clinical Pharmacology | 24 | 353 | 405 | 653 |
| 312 | Histochemistry | 22 | 352 | 263 | 416 |
| 313 | Herbal medicine | 14 | 350 | 209 | 325 |
| 313 | Animal ecology | 22 | 350 | 341 | 534 |
| 315 | Radiation Protection | 38 | 349 | 60 | 86 |
| 315 | Differential Equations | 39 | 349 | 139 | 297 |
| 317 | radiation monitoring | 37 | 346 | 49 | 82 |
| 318 | Developing countries | 15 | 341 | 916 | 1050 |
| 319 | Geodynamics | 10 | 340 | 479 | 482 |
| 319 | United States | 19 | 340 | 2081 | 2376 |
| 321 | Systems Engineering | 21 | 336 | 714 | 933 |
| 322 | Functional Analysis | 24 | 334 | 336 | 408 |
| 323 | Ocean Engineering | 29 | 333 | 509 | 878 |
| 324 | Marine resources | 12 | 331 | 222 | 247 |
| 325 | Magnetic Materials | 20 | 327 | 594 | 816 |
| 326 | Cognition | 17 | 326 | 689 | 902 |
| 327 | Exercise therapy | 22 | 322 | 30 | 74 |
| 328 | Social Sciences | 27 | 316 | 963 | 1253 |
| 329 | Project Management | 7 | 315 | 124 | 218 |
| 329 | cosmic rays | 27 | 315 | 76 | 143 |
| 331 | environmental exposure | 15 | 314 | 738 | 1065 |
| 332 | Rock Mechanics | 9 | 313 | 508 | 489 |
| 332 | Economic Development | 19 | 313 | 490 | 969 |
| 334 | Engineering Geology | 9 | 309 | 816 | 750 |
| 334 | Oxidative stress | 3 | 309 | 920 | 680 |
| 334 | Cellular senescence | 3 | 309 | 288 | 272 |
| 337 | Population Genetics | 11 | 306 | 585 | 752 |
| 338 | Business | 21 | 302 | 691 | 1295 |
| 339 | Chromatography | 13 | 300 | 744 | 712 |
| 339 | System analysis | 31 | 300 | 576 | 1100 |
| 341 | Chemical analysis | 7 | 299 | 775 | 607 |
| 342 | Neurobiology | 12 | 298 | 928 | 1264 |
| 342 | Japan | 20 | 298 | 601 | 663 |
| 344 | Group decision making | 20 | 295 | 67 | 175 |
| 344 | civilization | 32 | 295 | 161 | 68 |
| 346 | Data Mining | 16 | 294 | 521 | 943 |
| 347 | Coastal zone management | 12 | 293 | 219 | 278 |
| 348 | Europe | 21 | 292 | 1148 | 1457 |
| 349 | Econometrics | 11 | 290 | 702 | 628 |
| 349 | Plant Taxonomy | 21 | 290 | 92 | 150 |
| 349 | Numerical Analysis | 25 | 290 | 712 | 903 |
| 352 | Molecular ecology | 6 | 286 | 733 | 815 |
| 353 | soil management | 9 | 285 | 260 | 346 |
| 353 | Public opinion | 13 | 285 | 126 | 194 |
| 353 | tillage | 9 | 285 | 189 | 283 |
| 356 | Cytogenetics | 17 | 282 | 569 | 1173 |
| 357 | Evidence-Based Medicine | 6 | 281 | 444 | 274 |
| 358 | Histocompatibility Testing | 20 | 280 | 85 | 191 |
| 359 | Electrochemical Analysis | 21 | 276 | 481 | 801 |
| 359 | public opinion polls | 12 | 276 | 14 | 14 |
| 361 | Food additives | 8 | 275 | 691 | 765 |
| 362 | Electrophoresis | 9 | 273 | 969 | 914 |
| 363 | Algebra | 29 | 272 | 364 | 346 |
| 364 | Chemical Ecology | 11 | 271 | 197 | 303 |
| 365 | Food Security | 2 | 267 | 222 | 72 |
| 365 | heredity | 18 | 267 | 159 | 279 |
| 367 | Neurochemistry | 24 | 266 | 875 | 1593 |
| 367 | Phylogenetics | 14 | 266 | 13 | 14 |
| 369 | enzymes | 7 | 265 | 1016 | 969 |
| 369 | drug evaluation | 12 | 265 | 598 | 708 |
| 371 | Aging | 12 | 264 | 1426 | 1568 |
| 372 | Radiation dosimetry | 26 | 263 | 58 | 78 |
| 373 | nuclear magnetic resonance spectroscopy | 18 | 261 | 205 | 298 |
| 373 | software | 12 | 261 | 401 | 648 |
| 373 | NMR | 18 | 261 | 77 | 111 |
| 373 | environmental issues | 14 | 261 | 95 | 202 |
| 373 | magnetic resonance | 18 | 261 | 82 | 128 |
| 378 | Informatics | 12 | 260 | 328 | 496 |
| 379 | Human biology | 12 | 256 | 240 | 241 |
| 380 | Requirements Engineering | 8 | 255 | 17 | 29 |
| 380 | Coral reef biology | 11 | 255 | 117 | 187 |
| 382 | Nanostructures | 14 | 254 | 854 | 1329 |
| 383 | Microbial Metabolism | 6 | 252 | 63 | 78 |
| 384 | Morphology | 41 | 250 | 69 | 319 |
| 384 | Infections | 5 | 250 | 938 | 896 |
| 386 | Pediatrics | 13 | 249 | 1203 | 1742 |
| 386 | Australia | 27 | 249 | 450 | 827 |
| 388 | clay | 11 | 247 | 286 | 500 |
| 389 | Astronomy | 4 | 246 | 2396 | 1911 |
| 390 | plant molecular biology | 6 | 245 | 1082 | 1306 |
| 391 | Hypertension | 10 | 243 | 925 | 1472 |
| 391 | Physical fitness | 14 | 243 | 386 | 587 |
| 391 | infection | 6 | 243 | 1283 | 1162 |
| 394 | Petroleum Engineering | 17 | 241 | 279 | 414 |
| 394 | Political Sociology | 24 | 241 | 72 | 206 |
| 396 | food contamination | 10 | 240 | 429 | 419 |
| 397 | Ore deposits | 7 | 238 | 319 | 314 |
| 398 | Educational Psychology | 9 | 237 | 765 | 795 |
| 398 | Light | 5 | 237 | 732 | 853 |
| 400 | Health Information Management | 3 | 236 | 293 | 367 |
| 401 | Diabetes mellitus | 7 | 234 | 1427 | 1680 |
| 401 | Land use | 11 | 234 | 476 | 691 |
| 401 | solar cells | 7 | 234 | 594 | 698 |
| 401 | Diabetes | 7 | 234 | 1506 | 1733 |
| 405 | Analytical Biochemistry | 18 | 231 | 598 | 1064 |
| 406 | Ecohydrology | 7 | 229 | 156 | 142 |
| 407 | food industry | 13 | 227 | 188 | 221 |
| 408 | Geriatrics | 12 | 223 | 1559 | 1781 |
| 408 | Marine Geology | 11 | 223 | 275 | 364 |
| 408 | Petroleum Geology | 11 | 223 | 252 | 347 |
| 411 | Continental shelf | 11 | 222 | 149 | 245 |
| 412 | Metabolic diseases | 7 | 221 | 1566 | 1988 |
| 413 | Fertilizers | 11 | 220 | 136 | 198 |
| 414 | Pathology | 9 | 219 | 1354 | 1691 |
| 414 | Imaging systems | 6 | 219 | 517 | 221 |
| 416 | drug therapy | 12 | 218 | 1212 | 1630 |
| 417 | Mechanical Engineering | 20 | 216 | 980 | 1155 |
| 417 | Genetic Toxicology | 9 | 216 | 178 | 366 |
| 419 | Neuropsychology | 31 | 215 | 640 | 1487 |
| 419 | pheromones | 8 | 215 | 230 | 341 |
| 419 | concrete | 7 | 215 | 611 | 789 |
| 422 | Pesticides | 8 | 214 | 325 | 276 |
| 423 | Pediatric Neurology | 3 | 213 | 1013 | 1079 |
| 423 | Educational Sociology | 20 | 213 | 31 | 104 |
| 423 | Cognitive Science | 9 | 213 | 812 | 1056 |
| 426 | Game Theory | 3 | 212 | 531 | 243 |
| 426 | Composite Materials | 7 | 212 | 1888 | 2040 |
| 428 | Communication in medicine | 41 | 211 | 64 | 288 |
| 429 | symbiosis | 8 | 210 | 19 | 26 |
| 430 | Ergonomics | 3 | 209 | 1038 | 519 |
| 431 | solar power | 4 | 208 | 758 | 694 |
| 431 | Swarm Intelligence | 9 | 208 | 87 | 163 |
| 431 | hydrocolloids | 4 | 208 | 532 | 603 |
| 434 | Chemical industry | 11 | 207 | 639 | 588 |
| 435 | economic forecasting | 3 | 206 | 320 | 207 |
| 435 | Forecasting | 3 | 206 | 546 | 281 |
| 435 | Evolutionary Computation | 14 | 206 | 109 | 405 |
| 435 | internet | 10 | 206 | 807 | 1005 |
| 439 | machinery | 17 | 204 | 189 | 324 |
| 440 | Computational Chemistry | 15 | 199 | 170 | 431 |
| 440 | Simulation Methods | 6 | 199 | 604 | 433 |
| 442 | Engineering Mathematics | 16 | 197 | 701 | 874 |
| 442 | Genetic engineering | 14 | 197 | 1009 | 1760 |
| 442 | Molecular cloning | 14 | 197 | 605 | 990 |
| 442 | Genetic recombination | 14 | 197 | 585 | 980 |
| 442 | Recombinant DNA | 14 | 197 | 657 | 1055 |
| 447 | Public Policy | 15 | 196 | 659 | 1147 |
| 448 | Process Control | 5 | 194 | 676 | 825 |
| 449 | Physical Chemistry | 13 | 193 | 1082 | 1540 |
| 450 | Restoration Ecology | 4 | 192 | 348 | 260 |
| 450 | Heat Exchangers | 10 | 192 | 650 | 975 |
| 450 | bats | 13 | 192 | 18 | 27 |
| 453 | Hematology | 17 | 190 | 1343 | 2131 |
| 453 | proteins | 10 | 190 | 1187 | 1495 |
| 455 | pain | 10 | 189 | 738 | 1076 |
| 456 | Internet of Things | 5 | 188 | 855 | 824 |
| 457 | Telecommunication Systems | 19 | 187 | 505 | 811 |
| 457 | Land Use Planning | 5 | 187 | 253 | 286 |
| 459 | Mobile Computing | 5 | 186 | 891 | 676 |
| 460 | Health | 26 | 185 | 597 | 1461 |
| 461 | Lightweight concrete | 3 | 184 | 408 | 477 |
| 461 | Cytokine | 7 | 184 | 207 | 377 |
| 463 | Bryology | 18 | 183 | 39 | 74 |
| 463 | Metallography | 9 | 183 | 453 | 523 |
| 465 | Medical Technology | 10 | 182 | 858 | 1172 |
| 466 | Community Psychiatry | 5 | 181 | 764 | 727 |
| 467 | Bioenergetics | 7 | 180 | 487 | 652 |
| 467 | Human-Computer Interaction | 9 | 180 | 843 | 1028 |
| 469 | Pregnancy | 10 | 178 | 397 | 525 |
| 470 | Cloud Computing | 5 | 177 | 199 | 191 |
| 470 | Paleobiology | 16 | 177 | 68 | 96 |
| 472 | Transport | 9 | 175 | 289 | 485 |
| 472 | Sea | 9 | 175 | 256 | 395 |
| 472 | Fishery resources | 9 | 175 | 279 | 424 |
| 472 | Psychiatric Epidemiology | 4 | 175 | 422 | 431 |
| 472 | biomedicine | 7 | 175 | 279 | 423 |
| 477 | Bioinorganic chemistry | 7 | 173 | 907 | 924 |
| 477 | Financial management | 7 | 173 | 261 | 405 |
| 477 | Economic planning | 8 | 173 | 213 | 277 |
| 480 | drug resistance | 7 | 171 | 393 | 567 |
| 480 | nuclear magnetic resonance | 8 | 171 | 669 | 659 |
| 482 | Nuclear Engineering | 30 | 170 | 503 | 866 |
| 482 | Linguistics | 31 | 170 | 276 | 664 |
| 482 | Marine biodiversity | 24 | 170 | 11 | 59 |
| 482 | visualization | 9 | 170 | 865 | 617 |
| 486 | Probability | 7 | 169 | 332 | 377 |
| 486 | health services accessibility | 5 | 169 | 742 | 582 |
| 488 | Fluid Mechanics | 10 | 168 | 867 | 1009 |
| 489 | Statistical Mechanics | 16 | 167 | 218 | 352 |
| 489 | animals | 15 | 167 | 450 | 650 |
| 489 | women | 35 | 167 | 74 | 281 |
| 492 | Green Chemistry | 9 | 166 | 1091 | 1691 |
| 492 | Solitons | 14 | 166 | 391 | 700 |
| 492 | Fractals | 14 | 166 | 391 | 702 |
| 492 | Multimedia Systems | 12 | 166 | 845 | 1046 |
| 492 | Chaos | 14 | 166 | 391 | 700 |
| 492 | Growth factors | 4 | 166 | 230 | 353 |
| 498 | Technological Innovations | 6 | 165 | 704 | 720 |
| 499 | Music | 19 | 164 | 221 | 375 |
| 499 | voice | 19 | 164 | 113 | 267 |
| 499 | disabilities | 8 | 164 | 396 | 468 |
| 502 | Risk Management | 6 | 163 | 449 | 459 |
| 502 | Risk | 6 | 163 | 355 | 407 |
| 504 | Automation | 17 | 161 | 945 | 1723 |
| 504 | Food Preservation | 8 | 161 | 386 | 342 |
| 504 | Teaching | 34 | 161 | 330 | 957 |
| 504 | plant oils | 9 | 161 | 88 | 94 |
| 508 | Molecules | 15 | 160 | 639 | 892 |
| 509 | Urban Policy | 28 | 159 | 118 | 605 |
| 509 | Manufacturing Processes | 11 | 159 | 1272 | 1667 |
| 511 | Learning | 10 | 158 | 647 | 947 |
| 512 | Developmental Biology | 6 | 157 | 1464 | 1928 |
| 512 | Hemodynamics | 1 | 157 | 983 | 695 |
| 514 | Ophthalmology | 8 | 156 | 1232 | 1448 |
| 514 | Environmental Microbiology | 10 | 156 | 694 | 1434 |
| 514 | Nutrition physiology | 6 | 156 | 479 | 624 |
| 517 | Enzyme | 2 | 155 | 671 | 473 |
| 518 | Dynamics | 18 | 154 | 498 | 817 |
| 518 | Nanoparticles | 13 | 154 | 910 | 1568 |
| 520 | Anti-inflammatory agents | 16 | 153 | 35 | 149 |
| 521 | Vaccination | 1 | 152 | 583 | 227 |
| 522 | Health Services Administration | 7 | 151 | 643 | 788 |
| 523 | Immunopathology | 6 | 150 | 957 | 1143 |
| 523 | Decision making | 4 | 150 | 1289 | 1025 |
| 525 | Medical Oncology | 3 | 149 | 1921 | 1692 |
| 525 | Semiconductors | 19 | 149 | 794 | 1312 |
| 525 | Radio | 6 | 149 | 1164 | 1290 |
| 528 | Obesity | 9 | 148 | 1189 | 1860 |
| 528 | China | 9 | 148 | 1769 | 2013 |
| 530 | Neuroplasticity | 1 | 147 | 531 | 201 |
| 530 | neuronal plasticity | 1 | 147 | 254 | 123 |
| 532 | Neurogenetics | 2 | 145 | 411 | 219 |
| 533 | Parenteral nutrition | 24 | 144 | 272 | 947 |
| 533 | Radiation effects | 4 | 144 | 517 | 553 |
| 535 | Nondestructive testing | 2 | 143 | 920 | 441 |
| 536 | Animal breeding | 10 | 142 | 403 | 536 |
| 536 | United Kingdom | 7 | 142 | 1015 | 1389 |
| 538 | epilepsy | 9 | 141 | 510 | 690 |
| 538 | energy conservation | 8 | 141 | 1283 | 2106 |
| 540 | Biological Systems | 6 | 140 | 317 | 440 |
| 540 | Microprocessors | 12 | 140 | 209 | 331 |
| 540 | hazard mitigation | 6 | 140 | 587 | 695 |
| 540 | Yeast | 9 | 140 | 169 | 354 |
| 540 | natural disasters | 6 | 140 | 881 | 1058 |
| 545 | Nuclear Energy | 28 | 139 | 301 | 622 |
| 545 | economic policy | 41 | 139 | 464 | 1357 |
| 547 | Enteral nutrition | 23 | 138 | 189 | 839 |
| 548 | Liquid Crystals | 10 | 136 | 480 | 380 |
| 548 | Cosmochemistry | 4 | 136 | 808 | 787 |
| 548 | water supply | 2 | 136 | 1145 | 862 |
| 548 | Industry | 1 | 136 | 453 | 324 |
| 552 | Computer Vision | 7 | 135 | 761 | 1101 |
| 552 | Hydraulic Engineering | 6 | 135 | 661 | 687 |
| 552 | violence | 6 | 135 | 621 | 735 |
| 555 | Public Administration | 30 | 134 | 305 | 808 |
| 555 | Quality of life | 4 | 134 | 1327 | 1406 |
| 557 | Wireless Communication Systems | 15 | 132 | 1113 | 1712 |
| 557 | soil conservation | 7 | 132 | 430 | 632 |
| 557 | Regional Development | 4 | 132 | 217 | 203 |
| 557 | Development planning | 4 | 132 | 179 | 187 |
| 557 | land degradation | 7 | 132 | 210 | 391 |
| 557 | degradation | 7 | 132 | 210 | 391 |
| 563 | synthesis | 10 | 131 | 488 | 501 |
| 564 | Social Networks | 3 | 130 | 286 | 239 |
| 564 | Child | 6 | 130 | 1760 | 1833 |
| 564 | Tourism | 6 | 130 | 1079 | 1410 |
| 564 | Online social networks | 3 | 130 | 296 | 177 |
| 564 | Socioeconomic Factors | 2 | 130 | 1003 | 656 |
| 564 | Fuzzy systems | 14 | 130 | 614 | 881 |
| 570 | Chemical structure | 6 | 129 | 271 | 204 |
| 571 | Production Planning | 5 | 128 | 153 | 256 |
| 571 | Antibacterial agents | 8 | 128 | 376 | 695 |
| 571 | Production Control | 5 | 128 | 152 | 256 |
| 574 | Fishery management | 10 | 126 | 368 | 574 |
| 574 | social science | 3 | 126 | 152 | 182 |
| 574 | Quantum theory | 13 | 126 | 379 | 683 |
| 577 | Structural health monitoring | 1 | 125 | 398 | 195 |
| 577 | structural stability | 1 | 125 | 561 | 311 |
| 577 | child abuse | 10 | 125 | 392 | 751 |
| 580 | Municipal Engineering | 5 | 124 | 181 | 236 |
| 580 | Ethology | 8 | 124 | 874 | 1529 |
| 580 | genome | 6 | 124 | 1131 | 1822 |
| 580 | sex crimes | 5 | 124 | 454 | 482 |
| 584 | Archaeology | 3 | 123 | 1255 | 830 |
| 584 | Immunogenetics | 16 | 123 | 221 | 605 |
| 586 | Graph Theory | 15 | 122 | 241 | 324 |
| 586 | Comparative Physiology | 2 | 122 | 902 | 682 |
| 588 | Superconductors | 10 | 120 | 581 | 663 |
| 588 | Radioisotopes | 25 | 120 | 290 | 701 |
| 588 | Biometrics | 4 | 120 | 955 | 823 |
| 588 | Sites | 1 | 120 | 878 | 557 |
| 588 | cell interaction | 2 | 120 | 1341 | 1112 |
| 588 | Cell communication | 2 | 120 | 790 | 677 |
| 594 | Energy metabolism | 3 | 118 | 568 | 600 |
| 595 | Engineering | 18 | 117 | 1909 | 3282 |
| 595 | Methodology | 7 | 117 | 213 | 236 |
| 595 | biochemical markers | 10 | 117 | 233 | 501 |
| 598 | Superconductivity | 7 | 116 | 303 | 331 |
| 598 | Cardiovascular diseases | 10 | 116 | 921 | 1413 |
| 600 | Raman spectroscopy | 10 | 115 | 305 | 611 |
| 600 | energy resources | 6 | 115 | 963 | 1754 |
| 602 | Rock deformation | 1 | 114 | 375 | 174 |
| 602 | Fracture mechanics | 5 | 114 | 1189 | 1177 |
| 602 | Immunity | 8 | 114 | 1226 | 2448 |
| 605 | Cybernetics | 8 | 113 | 980 | 1414 |
| 605 | Sedimentary rocks | 7 | 113 | 335 | 531 |
| 607 | Agricultural Chemistry | 14 | 112 | 1073 | 2181 |
| 607 | Biogeochemistry | 4 | 112 | 939 | 1209 |
| 609 | Invertebrates | 11 | 111 | 227 | 460 |
| 609 | Detectors | 9 | 111 | 863 | 1262 |
| 611 | Neuropsychiatry | 4 | 110 | 748 | 803 |
| 611 | Critical Care | 8 | 110 | 978 | 1935 |
| 611 | Critical Care Medicine | 8 | 110 | 975 | 1920 |
| 611 | Ichthyology | 10 | 110 | 149 | 212 |
| 615 | Information Theory | 14 | 108 | 583 | 1157 |
| 615 | Embryology | 5 | 108 | 1204 | 1670 |
| 615 | Nuclear Chemistry | 18 | 108 | 386 | 674 |
| 615 | industrial hygiene | 21 | 108 | 231 | 542 |
| 615 | Celestial Mechanics | 7 | 108 | 95 | 133 |
| 615 | Zeolites | 7 | 108 | 550 | 1016 |
| 615 | amino acids | 4 | 108 | 475 | 568 |
| 622 | Gerontology | 2 | 107 | 2416 | 1418 |
| 623 | Asthma | 5 | 106 | 501 | 543 |
| 623 | Control Theory | 15 | 106 | 768 | 1282 |
| 623 | Organometallic chemistry | 6 | 106 | 1504 | 1481 |
| 623 | Arthropods | 4 | 106 | 168 | 116 |
| 623 | urban forestry | 5 | 106 | 117 | 192 |
| 623 | Combinatorial analysis | 20 | 106 | 295 | 474 |
| 629 | Optical Communications | 12 | 105 | 317 | 560 |
| 629 | Radiochemistry | 17 | 105 | 352 | 608 |
| 629 | finance | 7 | 105 | 1559 | 1734 |
| 632 | Building | 21 | 104 | 120 | 359 |
| 632 | Forest genetics | 3 | 104 | 292 | 181 |
| 634 | Speech-Language Pathology | 3 | 103 | 293 | 233 |
| 634 | Organizational Sociology | 38 | 103 | 15 | 287 |
| 634 | automatic speech recognition | 3 | 103 | 145 | 137 |
| 637 | Occupational Therapy | 18 | 102 | 298 | 557 |
| 637 | Telemedicine | 5 | 102 | 211 | 356 |
| 637 | Carbon | 4 | 102 | 1194 | 1603 |
| 640 | Diagnostic microbiology | 3 | 101 | 1273 | 1697 |
| 640 | Ultrasonics | 6 | 101 | 860 | 1353 |
| 640 | arthritis | 3 | 101 | 1197 | 1462 |
| 643 | Geotechnical Engineering | 4 | 100 | 414 | 441 |
| 643 | Work | 16 | 100 | 60 | 274 |
| 643 | natural gas | 4 | 100 | 341 | 408 |
| 646 | Social policy | 22 | 98 | 224 | 708 |
| 646 | Hazardous waste | 3 | 98 | 986 | 1305 |
| 646 | Microscopy | 14 | 98 | 503 | 1091 |
| 649 | Biomarkers | 9 | 97 | 159 | 338 |
| 649 | Probiotics | 8 | 97 | 39 | 144 |
| 649 | X-rays | 1 | 97 | 1153 | 448 |
| 649 | mosses | 14 | 97 | 31 | 68 |
| 649 | Host-parasite interactions | 5 | 97 | 977 | 1755 |
| 649 | liverworts | 14 | 97 | 31 | 68 |
| 655 | Immunochemistry | 2 | 96 | 1351 | 978 |
| 655 | Methods | 5 | 96 | 72 | 50 |
| 657 | Global Health | 8 | 95 | 630 | 869 |
| 657 | Sonochemistry | 5 | 95 | 420 | 885 |
| 659 | Educational Technology | 8 | 94 | 884 | 1332 |
| 659 | Economic Thought | 2 | 94 | 367 | 422 |
| 659 | economic conditions | 2 | 94 | 622 | 499 |
| 659 | supercritical fluids | 2 | 94 | 499 | 430 |
| 663 | cell adhesion molecules | 1 | 93 | 414 | 373 |
| 664 | Structural Engineering | 11 | 92 | 875 | 1395 |
| 664 | Proteomics | 3 | 92 | 1226 | 1368 |
| 664 | Earthquake Engineering | 9 | 92 | 807 | 1301 |
| 664 | Neuroimmunology | 3 | 92 | 714 | 977 |
| 664 | Neuropharmacology | 3 | 92 | 636 | 606 |
| 669 | Remote Sensing | 4 | 91 | 1417 | 1080 |
| 669 | Peroxisomes | 2 | 91 | 42 | 68 |
| 671 | Soil fertility | 1 | 90 | 572 | 440 |
| 671 | radioactive waste | 2 | 90 | 1053 | 1295 |
| 671 | industrial waste | 2 | 90 | 1095 | 1296 |
| 674 | Calculus of Variations | 9 | 89 | 204 | 299 |
| 674 | Soft Condensed Matter | 11 | 89 | 567 | 1094 |
| 674 | Fiber Optics | 14 | 89 | 446 | 947 |
| 674 | polar regions | 5 | 89 | 472 | 583 |
| 674 | Recycling | 1 | 89 | 1103 | 1045 |
| 679 | Dermatology | 7 | 88 | 1210 | 1639 |
| 679 | Genetic testing | 8 | 88 | 138 | 200 |
| 679 | Infrared spectroscopy | 6 | 88 | 136 | 264 |
| 679 | Fish | 9 | 88 | 124 | 226 |
| 683 | Jurisprudence | 5 | 87 | 672 | 696 |
| 684 | Ecophysiology | 4 | 86 | 135 | 204 |
| 684 | Sleep Disorders | 17 | 86 | 614 | 1508 |
| 684 | protein | 5 | 86 | 1003 | 1229 |
| 684 | bryophytes | 4 | 86 | 76 | 53 |
| 688 | Occupational Health | 17 | 85 | 304 | 896 |
| 688 | Matroids | 6 | 85 | 154 | 201 |
| 688 | biopolymers | 8 | 85 | 740 | 1244 |
| 691 | Chemical kinetics | 11 | 84 | 277 | 424 |
| 691 | toxicity testing | 4 | 84 | 637 | 829 |
| 693 | Software Maintenance | 8 | 83 | 43 | 111 |
| 693 | Health Physics | 11 | 83 | 47 | 117 |
| 693 | Microwaves | 19 | 83 | 569 | 1166 |
| 696 | Rheumatology | 3 | 82 | 1213 | 1334 |
| 696 | Heterocyclic compounds | 11 | 82 | 445 | 644 |
| 698 | Entropy | 10 | 81 | 475 | 870 |
| 699 | Energy Storage | 2 | 80 | 1561 | 1347 |
| 699 | Risk assessment | 14 | 80 | 124 | 550 |
| 699 | biological monitoring | 2 | 80 | 706 | 626 |
| 699 | Plant cells | 3 | 80 | 1063 | 1632 |
| 703 | Clinical Immunology | 4 | 79 | 1039 | 1361 |
| 703 | Water Microbiology | 8 | 79 | 165 | 541 |
| 703 | freshwater biology | 4 | 79 | 762 | 940 |
| 706 | medical education | 6 | 77 | 1240 | 1662 |
| 706 | Antigens | 5 | 77 | 702 | 972 |
| 706 | Vision | 3 | 77 | 645 | 754 |
| 709 | Computer Architecture | 7 | 76 | 318 | 424 |
| 709 | Mass Spectrometry | 6 | 76 | 856 | 1215 |
| 709 | biological invasions | 5 | 76 | 419 | 711 |
| 712 | Diagnostic Imaging | 3 | 75 | 2171 | 2080 |
| 713 | Nanochemistry | 5 | 74 | 1007 | 1298 |
| 713 | vascular diseases | 5 | 74 | 553 | 967 |
| 713 | plankton | 3 | 74 | 206 | 242 |
| 713 | Immune system | 6 | 74 | 718 | 1531 |
| 713 | Sleep | 16 | 74 | 650 | 1631 |
| 718 | pharmaceutical industry | 4 | 71 | 507 | 579 |
| 719 | Natural resources | 3 | 70 | 744 | 948 |
| 719 | Hydrodynamics | 3 | 70 | 594 | 690 |
| 719 | Adsorption | 5 | 70 | 113 | 206 |
| 719 | glycoproteins | 4 | 70 | 414 | 646 |
| 719 | Glycoconjugates | 4 | 70 | 414 | 646 |
| 719 | Carbohydrates | 4 | 70 | 364 | 608 |
| 719 | glycolipids | 4 | 70 | 414 | 646 |
| 726 | feeding behavior | 3 | 69 | 711 | 953 |
| 726 | Appetite | 3 | 69 | 624 | 872 |
| 728 | bioclimatology | 6 | 68 | 576 | 1036 |
| 728 | locomotion | 4 | 68 | 560 | 734 |
| 728 | posture | 4 | 68 | 560 | 734 |
| 728 | Seaweed | 7 | 68 | 332 | 709 |
| 728 | gait | 4 | 68 | 560 | 734 |
| 728 | walking | 4 | 68 | 560 | 734 |
| 734 | Africa | 3 | 67 | 1601 | 1145 |
| 735 | Systems Analysis | 5 | 66 | 853 | 1120 |
| 735 | Library Science | 24 | 66 | 144 | 607 |
| 737 | Law | 10 | 65 | 594 | 676 |
| 737 | Hydrogeology | 1 | 65 | 1213 | 794 |
| 737 | Machine Learning | 4 | 65 | 289 | 408 |
| 737 | Animal health | 5 | 65 | 323 | 341 |
| 737 | Contraception | 5 | 65 | 466 | 769 |
| 737 | commerce | 6 | 65 | 1082 | 1535 |
| 737 | Insect biochemistry | 2 | 65 | 563 | 602 |
| 744 | Logistics | 3 | 64 | 528 | 738 |
| 744 | Environmental Law | 3 | 64 | 1172 | 1873 |
| 744 | Applied Linguistics | 20 | 64 | 111 | 477 |
| 744 | Combinatorial optimization | 5 | 64 | 330 | 290 |
| 744 | Cerebellum | 5 | 64 | 192 | 370 |
| 744 | Cerebellar ataxia | 5 | 64 | 192 | 370 |
| 750 | Industrial Engineering | 8 | 63 | 1122 | 2016 |
| 750 | Respiratory system | 3 | 63 | 636 | 856 |
| 750 | Child psychology | 7 | 63 | 926 | 1775 |
| 750 | Proteome | 2 | 63 | 1484 | 1673 |
| 754 | Reproductive toxicology | 3 | 62 | 462 | 647 |
| 754 | aromatic plants | 4 | 62 | 152 | 122 |
| 754 | Fluorescence | 4 | 62 | 348 | 409 |
| 757 | mass transfer | 3 | 61 | 1708 | 1949 |
| 758 | Chemical processes | 7 | 60 | 361 | 652 |
| 758 | population trends | 1 | 60 | 160 | 192 |
| 758 | Demographic research | 1 | 60 | 253 | 248 |
| 761 | Ecological Engineering | 1 | 59 | 1159 | 1059 |
| 761 | Andrology | 4 | 59 | 533 | 758 |
| 761 | Wetland ecology | 4 | 59 | 352 | 545 |
| 761 | Liposomes | 3 | 59 | 571 | 703 |
| 761 | optical devices | 2 | 59 | 660 | 520 |
| 761 | wetland management | 4 | 59 | 112 | 230 |
| 767 | Ecological Genetics | 6 | 58 | 398 | 659 |
| 767 | Developmental Psychology | 3 | 58 | 992 | 1180 |
| 767 | Financial Engineering | 3 | 58 | 141 | 253 |
| 767 | Geobiology | 2 | 58 | 564 | 596 |
| 767 | ports | 3 | 58 | 207 | 269 |
| 767 | nucleotides | 3 | 58 | 351 | 239 |
| 767 | carbonate rocks | 4 | 58 | 101 | 85 |
| 774 | Audiology | 3 | 57 | 757 | 871 |
| 774 | wood | 1 | 57 | 840 | 472 |
| 776 | Systems Biology | 2 | 56 | 2096 | 2190 |
| 776 | Radio waves | 4 | 56 | 833 | 1155 |
| 776 | recreation | 7 | 56 | 385 | 588 |
| 779 | Geometry | 11 | 55 | 500 | 707 |
| 779 | Neurosurgery | 4 | 55 | 891 | 1335 |
| 779 | Astrophysics | 6 | 55 | 2336 | 3038 |
| 779 | Adolescent | 8 | 55 | 1278 | 2315 |
| 783 | Criminology | 2 | 54 | 1038 | 835 |
| 783 | Robotics | 7 | 54 | 1196 | 1958 |
| 783 | libraries | 12 | 54 | 181 | 481 |
| 786 | Physical organic chemistry | 4 | 53 | 1264 | 1580 |
| 786 | Drug targeting | 1 | 53 | 671 | 628 |
| 786 | Marine invertebrates | 5 | 53 | 125 | 219 |
| 786 | Cognitive neuroscience | 2 | 53 | 1127 | 1308 |
| 786 | Foraminifera | 4 | 53 | 54 | 114 |
| 786 | Lipids | 2 | 53 | 1683 | 1955 |
| 786 | Cognitive Learning | 2 | 53 | 146 | 128 |
| 793 | Mechanics | 3 | 52 | 1271 | 1154 |
| 793 | planning | 6 | 52 | 439 | 819 |
| 795 | dietary supplements | 4 | 51 | 740 | 1267 |
| 795 | Child Development | 6 | 51 | 1352 | 2428 |
| 795 | Randomized Controlled Trials | 6 | 51 | 797 | 1267 |
| 795 | breastfeeding | 4 | 51 | 415 | 689 |
| 795 | Hormones | 6 | 51 | 947 | 1754 |
| 795 | Bacterial infections | 4 | 51 | 722 | 1467 |
| 795 | Mites | 12 | 51 | 135 | 413 |
| 802 | Energy Conversion | 1 | 50 | 1824 | 1842 |
| 802 | Food Policy | 4 | 50 | 271 | 619 |
| 802 | Organizational change | 6 | 50 | 446 | 832 |
| 802 | Primary health care | 7 | 50 | 1150 | 2190 |
| 802 | fuel cells | 1 | 50 | 1873 | 1705 |
| 802 | Computational Complexity | 5 | 50 | 779 | 996 |
| 802 | reasoning | 1 | 50 | 751 | 444 |
| 802 | world | 4 | 50 | 613 | 1278 |
| 810 | Civil Engineering | 5 | 49 | 1253 | 1335 |
| 810 | Oncology | 5 | 49 | 1923 | 3669 |
| 810 | Labor Economics | 5 | 49 | 334 | 576 |
| 810 | Nanophotonics | 3 | 49 | 345 | 532 |
| 810 | Enzyme inhibitors | 3 | 49 | 375 | 554 |
| 810 | Corporate governance | 2 | 49 | 730 | 853 |
| 810 | Globalization | 5 | 49 | 387 | 777 |
| 810 | analysis | 1 | 49 | 484 | 427 |
| 810 | Educational evaluation | 16 | 49 | 21 | 175 |
| 810 | Consciousness | 2 | 49 | 568 | 559 |
| 820 | Biogeochemical cycles | 2 | 48 | 512 | 813 |
| 820 | Expert Systems | 4 | 48 | 111 | 252 |
| 820 | Middle East | 1 | 48 | 1722 | 882 |
| 823 | Animal Nutrition | 3 | 47 | 583 | 711 |
| 823 | Reproductive health | 3 | 47 | 854 | 1162 |
| 823 | ecological risk assessment | 5 | 47 | 122 | 400 |
| 823 | Ornithology | 6 | 47 | 669 | 971 |
| 823 | Health Risk Assessment | 5 | 47 | 283 | 610 |
| 828 | History | 17 | 46 | 368 | 422 |
| 828 | Atmospheric Chemistry | 2 | 46 | 1053 | 1335 |
| 828 | Molecular recognition | 2 | 46 | 288 | 314 |
| 828 | Optoelectronic devices | 5 | 46 | 731 | 865 |
| 828 | pigments | 2 | 46 | 1060 | 1136 |
| 828 | Birth control | 2 | 46 | 629 | 777 |
| 834 | Gene expression regulation | 3 | 45 | 1044 | 1488 |
| 834 | Genetic regulation | 3 | 45 | 1218 | 1792 |
| 834 | Algae | 4 | 45 | 633 | 976 |
| 834 | Culture | 6 | 45 | 715 | 996 |
| 838 | Molecular Microbiology | 1 | 44 | 1405 | 1552 |
| 838 | Algorithms | 1 | 44 | 1190 | 748 |
| 838 | Total Quality Management | 4 | 44 | 384 | 798 |
| 838 | Algal blooms | 2 | 44 | 367 | 555 |
| 838 | Cyanobacteria | 2 | 44 | 367 | 555 |
| 838 | microalgae | 2 | 44 | 367 | 555 |
| 844 | mutation | 1 | 43 | 1078 | 1075 |
| 844 | nuclear power | 8 | 43 | 306 | 463 |
| 846 | Humanities | 6 | 42 | 1180 | 1625 |
| 846 | Intelligent Transportation Systems | 2 | 42 | 1374 | 1616 |
| 846 | Social Movements | 17 | 42 | 8 | 144 |
| 846 | Oral Medicine | 6 | 42 | 484 | 776 |
| 846 | Electromagnetism | 5 | 42 | 836 | 1226 |
| 846 | health behavior | 2 | 42 | 1237 | 1431 |
| 846 | Welding | 5 | 42 | 208 | 233 |
| 846 | Electrophysiology | 9 | 42 | 622 | 1358 |
| 846 | catalytic activity | 1 | 42 | 971 | 920 |
| 855 | Computer Engineering | 6 | 41 | 629 | 1202 |
| 855 | Plate Tectonics | 1 | 41 | 508 | 398 |
| 855 | Crystallography | 5 | 41 | 1383 | 1422 |
| 855 | Developmental Immunology | 1 | 41 | 1031 | 1016 |
| 855 | peptides | 3 | 41 | 850 | 1074 |
| 855 | Birds | 6 | 41 | 817 | 1180 |
| 855 | Investments | 3 | 41 | 587 | 694 |
| 855 | Muscle contraction | 7 | 41 | 120 | 203 |
| 863 | Magnetic Resonance Imaging | 3 | 40 | 475 | 693 |
| 863 | Semigroups | 2 | 40 | 328 | 156 |
| 863 | curriculum evaluation | 2 | 40 | 451 | 477 |
| 863 | RNA | 2 | 40 | 645 | 923 |
| 863 | cosmetics | 1 | 40 | 427 | 322 |
| 868 | Water quality | 2 | 39 | 284 | 350 |
| 868 | Adhesion | 1 | 39 | 1244 | 918 |
| 868 | Sexual health | 5 | 39 | 576 | 1003 |
| 868 | nucleic acids | 2 | 39 | 2085 | 2632 |
| 868 | Oligosaccharides | 3 | 39 | 255 | 481 |
| 868 | Roads | 6 | 39 | 548 | 788 |
| 868 | Water chemistry | 2 | 39 | 451 | 490 |
| 868 | adhesives | 1 | 39 | 1327 | 929 |
| 868 | eugenics | 2 | 39 | 727 | 872 |
| 877 | Optoelectronics | 10 | 38 | 238 | 510 |
| 877 | international cooperation | 2 | 38 | 760 | 976 |
| 877 | Liquid chromatography | 6 | 38 | 324 | 533 |
| 880 | Cosmology | 4 | 37 | 528 | 735 |
| 880 | Geographic information systems | 5 | 37 | 845 | 1373 |
| 880 | nuclear astrophysics | 4 | 37 | 400 | 624 |
| 880 | Radiobiology | 7 | 37 | 978 | 2064 |
| 880 | Therapeutics | 3 | 37 | 1860 | 2895 |
| 880 | Urban Areas | 5 | 37 | 125 | 331 |
| 880 | Women's health | 4 | 37 | 1159 | 1949 |
| 880 | Metals | 5 | 37 | 1798 | 2698 |
| 888 | Urban Economics | 3 | 36 | 343 | 595 |
| 888 | Neurotoxicology | 2 | 36 | 750 | 1123 |
| 888 | Stochastic Processes | 3 | 36 | 883 | 1055 |
| 888 | Neurovirology | 5 | 36 | 159 | 455 |
| 888 | Apoptosis | 2 | 36 | 348 | 573 |
| 888 | neurotoxins | 2 | 36 | 348 | 573 |
| 888 | Neurotoxic agents | 2 | 36 | 348 | 573 |
| 888 | Herpetology | 3 | 36 | 335 | 357 |
| 888 | Vocational guidance | 2 | 36 | 1052 | 1248 |
| 888 | Reptiles | 3 | 36 | 264 | 316 |
| 888 | Kidney diseases | 1 | 36 | 1646 | 1477 |
| 888 | Nerve regeneration | 2 | 36 | 348 | 573 |
| 900 | Animal welfare | 1 | 35 | 591 | 531 |
| 900 | Fish diseases | 1 | 35 | 214 | 199 |
| 900 | Aquatic animals | 1 | 35 | 371 | 305 |
| 900 | Acarology | 7 | 35 | 130 | 453 |
| 900 | Ticks | 7 | 35 | 125 | 448 |
| 900 | Acari | 7 | 35 | 125 | 448 |
| 900 | Marine algae | 4 | 35 | 95 | 207 |
| 907 | Food Safety | 3 | 34 | 251 | 452 |
| 907 | Phytochemistry | 1 | 34 | 648 | 586 |
| 907 | Metallurgy | 6 | 34 | 1860 | 2837 |
| 907 | Phytoremediation | 1 | 34 | 648 | 586 |
| 907 | embryonic development | 2 | 34 | 525 | 747 |
| 907 | environmental remediation | 1 | 34 | 781 | 677 |
| 907 | Bioreactors | 1 | 34 | 648 | 586 |
| 907 | Plant hormones | 2 | 34 | 401 | 602 |
| 907 | Transplantation | 3 | 34 | 1131 | 1738 |
| 907 | alcoholism | 5 | 34 | 1130 | 2149 |
| 917 | Psychopharmacology | 2 | 33 | 1841 | 2340 |
| 917 | Religion | 4 | 33 | 740 | 679 |
| 917 | drug development | 5 | 33 | 807 | 2268 |
| 917 | Planets | 1 | 33 | 2122 | 2307 |
| 917 | scientific societies | 2 | 33 | 991 | 1248 |
| 917 | Fouling | 5 | 33 | 140 | 542 |
| 917 | Genes | 1 | 33 | 1942 | 1825 |
| 924 | Ethics | 2 | 32 | 1156 | 1250 |
| 924 | Chemical Oceanography | 2 | 32 | 346 | 577 |
| 924 | Fossil fuels | 1 | 32 | 187 | 44 |
| 924 | Allergy | 4 | 32 | 1091 | 2084 |
| 924 | mental processes | 2 | 32 | 462 | 498 |
| 924 | bees | 2 | 32 | 462 | 526 |
| 930 | Landscape Ecology | 2 | 31 | 576 | 910 |
| 930 | Signal Transduction | 3 | 31 | 1544 | 2426 |
| 930 | Kinetics | 4 | 31 | 385 | 748 |
| 930 | Computer-Aided Design | 4 | 31 | 1103 | 1845 |
| 930 | International Education | 1 | 31 | 471 | 391 |
| 930 | Semantic web | 1 | 31 | 246 | 223 |
| 930 | Oligosaccharide | 1 | 31 | 591 | 705 |
| 930 | Diplomatic relations | 16 | 31 | 190 | 517 |
| 930 | organization | 3 | 31 | 758 | 1225 |
| 939 | Kinesiology | 4 | 30 | 98 | 267 |
| 939 | Physical Geography | 1 | 30 | 830 | 747 |
| 939 | Clinical Laboratory Science | 3 | 30 | 240 | 391 |
| 939 | Industrial Statistics | 2 | 30 | 277 | 224 |
| 939 | Measurement | 5 | 30 | 1094 | 1993 |
| 939 | Protozoa | 2 | 30 | 530 | 737 |
| 939 | Muscles | 2 | 30 | 1061 | 1548 |
| 939 | Spain | 2 | 30 | 442 | 170 |
| 947 | Radiologic Technology | 1 | 29 | 373 | 236 |
| 947 | Interventional Radiology | 1 | 29 | 373 | 236 |
| 947 | Neuroanatomy | 3 | 29 | 201 | 480 |
| 947 | Antioxidants | 2 | 29 | 983 | 1595 |
| 947 | Interventional Radiography | 1 | 29 | 373 | 236 |
| 947 | Endoscopic Surgery | 1 | 29 | 373 | 236 |
| 947 | Population | 6 | 29 | 580 | 1526 |
| 954 | Mining Engineering | 1 | 28 | 1023 | 836 |
| 954 | Molecular Pharmacology | 4 | 28 | 724 | 1593 |
| 954 | sects | 3 | 28 | 93 | 6 |
| 954 | labor | 2 | 28 | 383 | 425 |
| 954 | marketing | 4 | 28 | 1570 | 2495 |
| 954 | Detergents | 1 | 28 | 130 | 51 |
| 954 | Glass | 2 | 28 | 1438 | 1781 |
| 954 | human development | 1 | 28 | 1281 | 1329 |
| 954 | working class | 2 | 28 | 207 | 334 |
| 954 | cults | 3 | 28 | 93 | 6 |
| 964 | Computational Linguistics | 1 | 27 | 1104 | 704 |
| 964 | Animal husbandry | 1 | 27 | 522 | 512 |
| 964 | Paleobiogeography | 3 | 27 | 62 | 95 |
| 964 | Sarcopenia | 1 | 27 | 777 | 985 |
| 964 | Developmental Disabilities | 1 | 27 | 1591 | 1721 |
| 964 | Hypertension in pregnancy | 2 | 27 | 257 | 300 |
| 964 | geological modeling | 3 | 27 | 547 | 813 |
| 964 | Germany | 5 | 27 | 426 | 573 |
| 964 | livestock | 1 | 27 | 811 | 698 |
| 964 | Minerals | 3 | 27 | 780 | 1358 |
| 964 | Perception | 2 | 27 | 2254 | 2898 |
| 964 | Animal | 1 | 27 | 305 | 281 |
| 964 | Argentina | 1 | 27 | 79 | 52 |
| 977 | Horticulture | 3 | 26 | 794 | 1196 |
| 977 | Atmospheric Physics | 4 | 26 | 1394 | 2362 |
| 977 | Solar power plants | 3 | 26 | 197 | 551 |
| 977 | sanitation | 3 | 26 | 1581 | 2940 |
| 977 | Green Technology | 2 | 26 | 547 | 886 |
| 977 | Bioacoustics | 4 | 26 | 62 | 174 |
| 977 | adolescence | 3 | 26 | 902 | 1470 |
| 977 | Electron Microscopy | 2 | 26 | 524 | 659 |
| 977 | preimplantation genetic diagnosis | 1 | 26 | 845 | 889 |
| 977 | water resources | 2 | 26 | 277 | 278 |
| 977 | embryo transfer | 1 | 26 | 869 | 907 |
| 977 | Photovoltaic Cells | 3 | 26 | 197 | 551 |
| 977 | starch | 1 | 26 | 602 | 591 |
| 977 | cell physiology | 2 | 26 | 1859 | 2755 |
| 977 | Synapses | 1 | 26 | 494 | 579 |
| 977 | educational planning | 1 | 26 | 699 | 712 |
| 977 | rivers | 3 | 26 | 292 | 556 |
| 994 | Urban Planning | 5 | 25 | 243 | 786 |
| 994 | Environmental Psychology | 1 | 25 | 633 | 804 |
| 994 | Highway Engineering | 3 | 25 | 397 | 658 |
| 994 | microwave communication systems | 2 | 25 | 509 | 636 |
| 994 | Radio wave propagation | 6 | 25 | 520 | 998 |
| 994 | organizational effectiveness | 3 | 25 | 416 | 741 |
| 994 | particles | 3 | 25 | 1050 | 1710 |