| 1 | Chemistry | 472 | 27.9K | 767 | 593 |
| 2 | Science | 322 | 16.5K | 736 | 814 |
| 3 | Medicine | 487 | 12.4K | 566 | 731 |
| 4 | Biology | 202 | 12.4K | 935 | 923 |
| 5 | Physics | 205 | 11.3K | 1219 | 1100 |
| 6 | Molecular Biology | 375 | 11.3K | 605 | 752 |
| 7 | Biochemistry | 371 | 10.8K | 835 | 893 |
| 8 | Pollution | 197 | 9.8K | 468 | 494 |
| 9 | Research | 345 | 9.3K | 603 | 672 |
| 10 | Biocompatible Materials | 145 | 8.3K | 423 | 404 |
| 11 | Environmental Health | 192 | 7.9K | 395 | 447 |
| 12 | Cytology | 213 | 7.7K | 379 | 531 |
| 13 | Cell Biology | 201 | 7.5K | 351 | 523 |
| 14 | environmental pollution | 143 | 7.4K | 405 | 333 |
| 15 | Virology | 71 | 7.2K | 462 | 389 |
| 16 | Ecology | 150 | 6.7K | 765 | 821 |
| 17 | Microbiology | 172 | 6.6K | 723 | 779 |
| 18 | Materials | 179 | 6.0K | 806 | 824 |
| 19 | Biotechnology | 157 | 5.9K | 614 | 733 |
| 20 | Cancer | 146 | 5.7K | 335 | 381 |
| 21 | Environmental monitoring | 114 | 5.7K | 317 | 285 |
| 22 | Natural history | 7 | 5.3K | 1933 | 871 |
| 23 | Environment | 101 | 5.1K | 699 | 805 |
| 24 | Biophysics | 186 | 4.9K | 679 | 767 |
| 25 | Nanotechnology | 109 | 4.5K | 801 | 813 |
| 26 | Neurology | 127 | 4.4K | 740 | 803 |
| 27 | Pharmacology | 176 | 4.2K | 594 | 703 |
| 28 | Signal Transduction | 19 | 3.9K | 476 | 125 |
| 29 | Aquaculture | 145 | 3.8K | 70 | 94 |
| 30 | Biomedical Engineering | 134 | 3.7K | 574 | 635 |
| 31 | Analytical Chemistry | 128 | 3.6K | 610 | 669 |
| 32 | Toxicology | 116 | 3.5K | 562 | 624 |
| 33 | environmental protection | 91 | 3.4K | 319 | 360 |
| 34 | Environmental Toxicology | 61 | 3.2K | 252 | 216 |
| 35 | Biochemical Engineering | 102 | 3.1K | 387 | 719 |
| 36 | Bioengineering | 80 | 2.9K | 660 | 800 |
| 37 | Chemical Engineering | 95 | 2.8K | 843 | 972 |
| 38 | Materials Science | 74 | 2.8K | 897 | 864 |
| 39 | Oncology | 74 | 2.6K | 236 | 544 |
| 40 | Environmental Engineering | 63 | 2.5K | 582 | 617 |
| 41 | viruses | 27 | 2.5K | 372 | 274 |
| 42 | Optical materials | 59 | 2.4K | 488 | 498 |
| 43 | Catalysis | 66 | 2.4K | 891 | 930 |
| 44 | Mathematics | 257 | 2.3K | 677 | 853 |
| 45 | nucleic acids | 20 | 2.2K | 576 | 421 |
| 46 | Public Health | 82 | 2.2K | 787 | 867 |
| 47 | Environmental Policy | 60 | 2.1K | 514 | 629 |
| 48 | concrete | 22 | 2.0K | 256 | 185 |
| 49 | Cell death | 39 | 2.0K | 210 | 259 |
| 50 | Nanostructured Materials | 58 | 1.9K | 697 | 716 |
| 51 | Genetics | 49 | 1.9K | 739 | 842 |
| 52 | Epidemiology | 54 | 1.8K | 664 | 597 |
| 53 | Environmental pollutants | 55 | 1.8K | 264 | 308 |
| 54 | environmental exposure | 47 | 1.8K | 214 | 203 |
| 55 | Composite Materials | 28 | 1.7K | 863 | 686 |
| 56 | Polymers | 59 | 1.7K | 1108 | 1013 |
| 57 | China | 90 | 1.7K | 273 | 304 |
| 58 | Artificial Intelligence | 59 | 1.7K | 736 | 772 |
| 59 | Water pollution | 63 | 1.6K | 441 | 653 |
| 60 | Human genetics | 10 | 1.6K | 882 | 850 |
| 61 | pollutants | 47 | 1.6K | 230 | 280 |
| 62 | Magnetic Materials | 36 | 1.5K | 312 | 216 |
| 63 | Environmental Law | 38 | 1.5K | 152 | 261 |
| 64 | Evolutionary Computation | 14 | 1.4K | 110 | 101 |
| 65 | Industrial Microbiology | 34 | 1.4K | 370 | 439 |
| 66 | Soil Mechanics | 40 | 1.3K | 223 | 238 |
| 67 | Microbial Ecology | 21 | 1.3K | 723 | 678 |
| 68 | Medical Oncology | 53 | 1.3K | 274 | 371 |
| 69 | Marine Biology | 84 | 1.3K | 369 | 619 |
| 70 | Environmental Management | 42 | 1.3K | 594 | 836 |
| 71 | Oncogenes | 21 | 1.3K | 340 | 371 |
| 72 | Neurophysiology | 33 | 1.3K | 805 | 837 |
| 73 | Physiology | 52 | 1.3K | 923 | 1083 |
| 74 | Measurement | 40 | 1.3K | 180 | 119 |
| 75 | Pathology | 45 | 1.2K | 446 | 529 |
| 76 | Neurochemistry | 57 | 1.2K | 476 | 647 |
| 77 | Manufacturing Processes | 62 | 1.2K | 351 | 484 |
| 78 | nanoscience | 26 | 1.2K | 959 | 914 |
| 79 | Biomass Energy | 40 | 1.2K | 490 | 762 |
| 80 | miniaturization | 13 | 1.2K | 802 | 565 |
| 81 | Immunotherapy | 45 | 1.2K | 304 | 484 |
| 82 | Medical Laboratory Science | 26 | 1.1K | 555 | 562 |
| 83 | Production Engineering | 63 | 1.1K | 250 | 306 |
| 84 | Nutrition | 59 | 1.1K | 788 | 1138 |
| 85 | Algae | 23 | 1.1K | 195 | 137 |
| 86 | Electrochemistry | 40 | 1.1K | 1238 | 1052 |
| 87 | Engineering | 59 | 1.1K | 794 | 847 |
| 88 | Bioinformatics | 29 | 1.1K | 527 | 525 |
| 89 | Signal Processing | 49 | 1.0K | 565 | 727 |
| 90 | Business Ethics | 4 | 1.0K | 851 | 354 |
| 91 | Ophthalmology | 96 | 1.0K | 202 | 464 |
| 91 | Lightweight concrete | 10 | 1.0K | 176 | 136 |
| 93 | Climatology | 6 | 1.0K | 1175 | 489 |
| 94 | bioclimatology | 4 | 1.0K | 801 | 84 |
| 95 | Brain | 39 | 1.0K | 718 | 813 |
| 96 | Crystal growth | 23 | 1.0K | 247 | 155 |
| 97 | Immunopharmacology | 33 | 996 | 152 | 154 |
| 98 | Climate | 3 | 991 | 543 | 78 |
| 98 | weather | 3 | 991 | 533 | 52 |
| 100 | Genetic engineering | 45 | 983 | 340 | 586 |
| 100 | mathematical analysis | 114 | 983 | 232 | 435 |
| 102 | Ocean Engineering | 34 | 982 | 445 | 445 |
| 103 | Carbon | 4 | 969 | 1084 | 464 |
| 104 | Building Materials | 26 | 963 | 553 | 651 |
| 105 | Microelectronics | 11 | 960 | 889 | 567 |
| 106 | Psychiatry | 34 | 945 | 1119 | 1168 |
| 107 | Cement | 7 | 944 | 340 | 212 |
| 108 | Renewable Energy Sources | 18 | 943 | 1053 | 1181 |
| 109 | Water | 14 | 932 | 1098 | 911 |
| 110 | Green Chemistry | 25 | 926 | 539 | 634 |
| 111 | Earthquake Engineering | 25 | 922 | 448 | 388 |
| 112 | polymerization | 41 | 903 | 1132 | 1172 |
| 113 | cytokines | 31 | 900 | 189 | 274 |
| 114 | Structural Engineering | 30 | 898 | 453 | 413 |
| 115 | Surface Chemistry | 45 | 897 | 1056 | 1329 |
| 116 | Histology | 37 | 893 | 405 | 523 |
| 116 | Seaweed | 17 | 893 | 166 | 126 |
| 118 | Developmental Immunology | 40 | 892 | 33 | 91 |
| 119 | Statistical physics | 48 | 886 | 954 | 1037 |
| 120 | Mechanical Engineering | 48 | 883 | 486 | 444 |
| 121 | Critical Care | 8 | 879 | 706 | 548 |
| 122 | Critical Care Medicine | 7 | 868 | 734 | 549 |
| 123 | sanitation | 11 | 863 | 698 | 667 |
| 124 | Cardiovascular system | 18 | 858 | 495 | 585 |
| 125 | gene mapping | 33 | 856 | 418 | 583 |
| 126 | Asia | 36 | 854 | 503 | 386 |
| 127 | Organometallic chemistry | 32 | 842 | 499 | 329 |
| 128 | Energy Policy | 18 | 837 | 1086 | 1055 |
| 129 | Immunology | 33 | 827 | 860 | 1054 |
| 130 | Photonics | 36 | 826 | 510 | 673 |
| 131 | Chromosome mapping | 30 | 824 | 393 | 522 |
| 132 | Image Processing | 39 | 820 | 512 | 693 |
| 133 | Biosensors | 20 | 815 | 381 | 509 |
| 134 | Swarm Intelligence | 10 | 814 | 67 | 44 |
| 135 | Engineering Geology | 25 | 811 | 399 | 390 |
| 136 | Bioelectronics | 19 | 810 | 315 | 443 |
| 137 | actuators | 21 | 806 | 783 | 735 |
| 137 | transducers | 21 | 806 | 783 | 735 |
| 139 | Hypertension | 19 | 781 | 512 | 610 |
| 139 | Stem cells | 16 | 781 | 520 | 455 |
| 141 | Information Science | 29 | 780 | 631 | 752 |
| 142 | Medical genetics | 27 | 772 | 728 | 911 |
| 143 | Mental Disorders | 24 | 769 | 839 | 921 |
| 143 | Lipids | 23 | 769 | 317 | 404 |
| 145 | Neurobiology | 12 | 764 | 785 | 681 |
| 146 | Tunneling | 13 | 750 | 120 | 102 |
| 146 | underground construction | 13 | 750 | 120 | 102 |
| 148 | Histochemistry | 37 | 747 | 127 | 221 |
| 149 | Diagnostic Imaging | 43 | 724 | 340 | 514 |
| 150 | Marine Pollution | 43 | 723 | 136 | 389 |
| 151 | Cell differentiation | 20 | 709 | 519 | 683 |
| 152 | Optics | 63 | 703 | 999 | 1221 |
| 153 | Food | 26 | 687 | 971 | 1150 |
| 154 | Cybernetics | 28 | 686 | 387 | 533 |
| 155 | biological factors | 21 | 668 | 577 | 548 |
| 156 | Colloids | 39 | 667 | 1120 | 1555 |
| 157 | Nervous system | 29 | 666 | 671 | 893 |
| 158 | Neural circuitry | 34 | 653 | 409 | 661 |
| 159 | Immunity | 20 | 644 | 575 | 856 |
| 160 | Spectrum analysis | 27 | 642 | 1575 | 1549 |
| 161 | Automation | 14 | 638 | 1051 | 899 |
| 162 | Sustainable Engineering | 17 | 632 | 577 | 610 |
| 163 | Sleep Disorders | 32 | 627 | 368 | 444 |
| 163 | Sleep | 32 | 627 | 366 | 446 |
| 165 | Endocrinology | 24 | 621 | 886 | 1069 |
| 166 | Aging | 19 | 604 | 931 | 871 |
| 167 | Information Technology | 10 | 602 | 1283 | 779 |
| 168 | Genetic algorithms | 4 | 600 | 248 | 160 |
| 169 | Heat Exchangers | 7 | 595 | 832 | 474 |
| 170 | Fuzzy systems | 21 | 594 | 415 | 237 |
| 171 | Hematology | 25 | 589 | 724 | 797 |
| 172 | Oceanography | 39 | 583 | 426 | 658 |
| 173 | Clinical Chemistry | 34 | 580 | 676 | 994 |
| 174 | energy conservation | 10 | 577 | 1076 | 930 |
| 174 | management | 25 | 577 | 1203 | 1469 |
| 176 | Genomics | 44 | 576 | 646 | 1111 |
| 177 | Earth Sciences | 34 | 563 | 930 | 1188 |
| 178 | Fishery management | 30 | 557 | 136 | 175 |
| 179 | Europe | 4 | 551 | 2342 | 898 |
| 180 | arthritis | 10 | 546 | 543 | 519 |
| 181 | Proteomics | 24 | 543 | 214 | 391 |
| 182 | Virulence | 12 | 541 | 457 | 590 |
| 183 | Recombinant DNA | 30 | 537 | 298 | 467 |
| 184 | Functional Analysis | 25 | 527 | 412 | 360 |
| 185 | Rock Mechanics | 16 | 523 | 338 | 354 |
| 186 | fuel cells | 21 | 521 | 397 | 611 |
| 187 | Linguistics | 2 | 511 | 1521 | 393 |
| 188 | Technology | 25 | 508 | 1257 | 1330 |
| 189 | International Finance | 18 | 497 | 604 | 612 |
| 190 | Telecommunication | 19 | 487 | 1023 | 991 |
| 191 | Second Language Acquisition | 3 | 484 | 176 | 62 |
| 192 | Chromatographic analysis | 23 | 483 | 556 | 528 |
| 193 | histological techniques | 15 | 474 | 223 | 301 |
| 194 | Investment analysis | 13 | 471 | 262 | 209 |
| 195 | Agricultural Chemistry | 17 | 467 | 815 | 924 |
| 196 | Molecular cloning | 24 | 459 | 341 | 485 |
| 197 | cell physiology | 16 | 458 | 553 | 736 |
| 198 | Genetic recombination | 23 | 452 | 340 | 486 |
| 199 | Education | 15 | 445 | 1619 | 1171 |
| 200 | Metabolism | 14 | 432 | 996 | 1157 |
| 201 | Schizophrenia | 7 | 431 | 568 | 454 |
| 202 | Genetic regulation | 12 | 429 | 429 | 517 |
| 203 | Southeast Asia | 13 | 428 | 81 | 29 |
| 204 | Molecular Spectroscopy | 18 | 426 | 667 | 649 |
| 205 | Recycling | 5 | 423 | 409 | 374 |
| 206 | Cardiovascular diseases | 35 | 418 | 360 | 587 |
| 207 | Microorganisms | 17 | 410 | 292 | 562 |
| 208 | coal | 11 | 402 | 824 | 868 |
| 209 | Surgery | 8 | 401 | 817 | 760 |
| 209 | Geophysics | 17 | 401 | 1395 | 1516 |
| 211 | Environmental Geochemistry | 9 | 397 | 154 | 79 |
| 211 | Minerals | 9 | 397 | 312 | 185 |
| 213 | Mathematical Physics | 22 | 395 | 1162 | 1081 |
| 214 | Soil Science | 17 | 390 | 701 | 882 |
| 214 | Host-parasite interactions | 6 | 390 | 722 | 714 |
| 216 | mass transfer | 14 | 388 | 786 | 841 |
| 217 | Product Design | 32 | 386 | 99 | 125 |
| 218 | Geomorphology | 18 | 384 | 514 | 745 |
| 219 | Environmental Chemistry | 12 | 380 | 912 | 1138 |
| 220 | Radiobiology | 12 | 378 | 543 | 533 |
| 221 | Nanoparticles | 14 | 377 | 807 | 887 |
| 221 | Mental illness | 6 | 377 | 1114 | 937 |
| 223 | Health | 15 | 374 | 814 | 840 |
| 224 | Chromatography | 16 | 371 | 598 | 572 |
| 225 | Systems Engineering | 30 | 369 | 510 | 903 |
| 225 | hygiene | 12 | 369 | 114 | 114 |
| 227 | Medical Physics | 47 | 368 | 344 | 714 |
| 228 | Nanostructures | 15 | 359 | 779 | 978 |
| 229 | Pharmacognosy | 10 | 354 | 974 | 993 |
| 229 | Proteome | 10 | 354 | 540 | 576 |
| 231 | Forensic Genetics | 10 | 353 | 89 | 94 |
| 232 | Electrical Engineering | 14 | 352 | 1536 | 1051 |
| 233 | proteins | 14 | 351 | 844 | 862 |
| 234 | Andrology | 7 | 348 | 334 | 195 |
| 234 | Solid State Physics | 25 | 348 | 1519 | 1721 |
| 234 | lasers | 27 | 348 | 629 | 824 |
| 237 | biological evolution | 6 | 347 | 1309 | 1151 |
| 238 | Geriatrics | 20 | 346 | 963 | 1114 |
| 239 | Energy Storage | 15 | 345 | 455 | 605 |
| 239 | Pharmaceutical Chemistry | 15 | 345 | 1585 | 1712 |
| 239 | Cytogenetics | 8 | 345 | 716 | 739 |
| 242 | Hormones | 14 | 344 | 513 | 609 |
| 243 | Solid State Chemistry | 19 | 342 | 1100 | 1148 |
| 244 | System analysis | 19 | 341 | 900 | 1055 |
| 245 | Organic Chemistry | 18 | 340 | 1408 | 1508 |
| 245 | Electrophoresis | 13 | 340 | 712 | 702 |
| 247 | food technology | 15 | 339 | 1109 | 1329 |
| 248 | Radiography | 4 | 338 | 568 | 483 |
| 249 | Nonlinear Dynamics | 11 | 335 | 1085 | 943 |
| 250 | Structural dynamics | 13 | 332 | 426 | 569 |
| 251 | Astrocytes | 3 | 331 | 405 | 315 |
| 251 | Vaccines | 17 | 331 | 561 | 703 |
| 253 | vibration | 13 | 329 | 500 | 539 |
| 254 | Bioremediation | 12 | 327 | 217 | 320 |
| 254 | Biodegradation | 12 | 327 | 192 | 301 |
| 254 | Genetic therapy | 9 | 327 | 502 | 525 |
| 257 | finance | 22 | 326 | 813 | 1032 |
| 258 | Systems Biology | 10 | 325 | 707 | 661 |
| 258 | Reproduction | 24 | 325 | 713 | 980 |
| 260 | Environmental Geology | 15 | 324 | 632 | 792 |
| 261 | Hydrology | 18 | 323 | 907 | 1114 |
| 262 | Numerical Analysis | 31 | 319 | 677 | 900 |
| 262 | Wireless Communication Systems | 20 | 319 | 928 | 1074 |
| 262 | preventive medicine | 10 | 319 | 530 | 574 |
| 265 | natural products | 11 | 316 | 907 | 710 |
| 266 | Surface properties | 12 | 313 | 456 | 676 |
| 267 | Robotics | 11 | 312 | 892 | 812 |
| 268 | Fiber Optics | 17 | 311 | 335 | 381 |
| 268 | energy resources | 3 | 311 | 1286 | 1024 |
| 270 | Nuclear Physics | 33 | 309 | 1548 | 1993 |
| 271 | Urology | 13 | 308 | 657 | 686 |
| 272 | Computational Biology | 26 | 306 | 682 | 1187 |
| 273 | Evolution | 3 | 305 | 1608 | 1003 |
| 274 | Detectors | 16 | 303 | 566 | 641 |
| 275 | genome | 16 | 301 | 509 | 894 |
| 275 | cloning | 7 | 301 | 344 | 415 |
| 277 | Carcinogenesis | 12 | 300 | 357 | 516 |
| 277 | Chemical analysis | 11 | 300 | 503 | 562 |
| 279 | Cell cycle | 9 | 299 | 103 | 99 |
| 279 | cell proliferation | 9 | 299 | 117 | 104 |
| 281 | Inflammation | 11 | 297 | 447 | 664 |
| 282 | Psychology | 26 | 295 | 1579 | 2113 |
| 282 | Hemodynamics | 8 | 295 | 315 | 419 |
| 284 | Food service management | 7 | 293 | 203 | 299 |
| 285 | environmental indicators | 8 | 291 | 640 | 718 |
| 285 | Plant physiology | 9 | 291 | 1220 | 1312 |
| 287 | drug therapy | 6 | 290 | 1126 | 945 |
| 288 | Internet of Things | 12 | 286 | 492 | 636 |
| 289 | Bioinorganic chemistry | 8 | 285 | 867 | 730 |
| 290 | Reproductive toxicology | 6 | 283 | 210 | 189 |
| 291 | cell interaction | 13 | 282 | 391 | 622 |
| 292 | Social Sciences | 28 | 281 | 990 | 1334 |
| 292 | Control Theory | 18 | 281 | 717 | 798 |
| 294 | Dermatology | 9 | 280 | 862 | 742 |
| 294 | Neuropsychology | 16 | 280 | 913 | 1138 |
| 294 | Diabetes | 19 | 280 | 678 | 1079 |
| 297 | free radicals | 13 | 279 | 588 | 916 |
| 298 | Behavior | 10 | 278 | 1604 | 1876 |
| 299 | Intelligent Transportation Systems | 7 | 275 | 685 | 659 |
| 299 | Diabetes mellitus | 18 | 275 | 672 | 1065 |
| 301 | Chemotherapy | 3 | 274 | 960 | 614 |
| 301 | pigments | 14 | 274 | 288 | 375 |
| 303 | Nonlinear functional analysis | 12 | 270 | 521 | 468 |
| 303 | Medicinal plants | 9 | 270 | 711 | 882 |
| 303 | internet | 11 | 270 | 731 | 842 |
| 306 | Geology | 13 | 269 | 1389 | 1429 |
| 307 | Language teaching | 8 | 268 | 14 | 17 |
| 307 | second language | 8 | 268 | 14 | 17 |
| 309 | Energy Conversion | 7 | 267 | 781 | 945 |
| 310 | Coastal zone management | 5 | 264 | 473 | 287 |
| 310 | Marine resources | 5 | 264 | 456 | 299 |
| 312 | Diet | 17 | 262 | 693 | 1265 |
| 313 | Herbal medicine | 14 | 259 | 196 | 408 |
| 314 | Condensed Matter | 15 | 254 | 1498 | 1610 |
| 315 | Drug design | 9 | 253 | 779 | 848 |
| 315 | computer networks | 17 | 253 | 998 | 1367 |
| 317 | city planning | 4 | 247 | 1331 | 811 |
| 318 | Oxidative stress | 9 | 242 | 381 | 723 |
| 319 | Digestive system diseases | 5 | 240 | 622 | 471 |
| 320 | Humanities | 25 | 238 | 323 | 491 |
| 320 | Fracture mechanics | 17 | 238 | 582 | 749 |
| 322 | Urban Policy | 3 | 234 | 870 | 465 |
| 323 | Money | 4 | 228 | 277 | 188 |
| 324 | Industry | 5 | 227 | 77 | 185 |
| 325 | Biofilms | 3 | 217 | 152 | 100 |
| 325 | Multimedia Systems | 12 | 217 | 843 | 888 |
| 327 | human behavior | 8 | 216 | 1383 | 1844 |
| 328 | Immunochemistry | 10 | 214 | 427 | 494 |
| 329 | Jurisprudence | 13 | 213 | 373 | 421 |
| 330 | Neurotoxicology | 4 | 210 | 462 | 343 |
| 330 | Metals | 7 | 210 | 1303 | 1183 |
| 332 | Marine Biotechnology | 9 | 209 | 58 | 110 |
| 332 | dietary supplements | 6 | 209 | 504 | 502 |
| 332 | gene therapy | 6 | 209 | 602 | 658 |
| 335 | Pediatrics | 15 | 208 | 862 | 1275 |
| 335 | medical education | 14 | 208 | 680 | 852 |
| 337 | Microbial Biotechnology | 9 | 206 | 403 | 557 |
| 338 | enzymes | 4 | 204 | 1178 | 954 |
| 339 | Quality Control | 7 | 202 | 1023 | 1003 |
| 339 | Surface-Active Agents | 11 | 202 | 454 | 815 |
| 341 | venom | 5 | 200 | 532 | 395 |
| 341 | Toxins | 5 | 200 | 613 | 447 |
| 343 | Health Information Management | 2 | 198 | 428 | 446 |
| 344 | health planning | 15 | 196 | 886 | 1154 |
| 345 | Anatomy | 9 | 195 | 1080 | 1095 |
| 345 | Hydrogeology | 2 | 195 | 794 | 359 |
| 347 | Geriatric Oncology | 8 | 193 | 257 | 343 |
| 348 | Therapeutics | 5 | 192 | 1058 | 999 |
| 348 | Philippines | 5 | 192 | 55 | 26 |
| 350 | Freeze-Drying | 12 | 191 | 82 | 171 |
| 350 | Hypothermia | 12 | 191 | 82 | 171 |
| 350 | Freeze Drying | 12 | 191 | 82 | 171 |
| 353 | food handling | 6 | 190 | 539 | 651 |
| 354 | software | 8 | 187 | 569 | 765 |
| 355 | Psychophysiology | 11 | 186 | 1360 | 1744 |
| 356 | Economics | 25 | 183 | 1521 | 2137 |
| 356 | Data Mining | 15 | 183 | 540 | 1069 |
| 356 | Soil dynamics | 5 | 183 | 382 | 311 |
| 356 | Bioorganic chemistry | 8 | 183 | 1695 | 1834 |
| 356 | Immune system | 8 | 183 | 497 | 779 |
| 361 | peptides | 2 | 181 | 966 | 349 |
| 362 | Infertility | 7 | 179 | 491 | 647 |
| 362 | fertility | 7 | 179 | 539 | 697 |
| 364 | Medical Microbiology | 9 | 178 | 1088 | 1497 |
| 364 | Nanobiotechnology | 8 | 178 | 151 | 396 |
| 364 | Luminescence | 8 | 178 | 821 | 741 |
| 367 | Transportation | 8 | 177 | 958 | 1038 |
| 367 | nuclear magnetic resonance | 6 | 177 | 672 | 548 |
| 367 | Magnetic Resonance Spectroscopy | 6 | 177 | 785 | 606 |
| 370 | Magnetic Resonance Imaging | 4 | 176 | 333 | 232 |
| 370 | Analytical Biochemistry | 13 | 176 | 734 | 1049 |
| 372 | Industrial Design | 7 | 173 | 103 | 145 |
| 373 | Civil Engineering | 16 | 172 | 550 | 559 |
| 373 | Kidney diseases | 8 | 172 | 469 | 558 |
| 375 | Production Management | 5 | 171 | 882 | 1086 |
| 375 | Computational Complexity | 11 | 171 | 436 | 410 |
| 375 | biopolymers | 6 | 171 | 779 | 788 |
| 378 | Sociology | 18 | 170 | 1136 | 1741 |
| 378 | Clinical Pharmacology | 7 | 170 | 743 | 776 |
| 380 | Fisheries | 13 | 169 | 665 | 937 |
| 380 | Plants | 5 | 169 | 1491 | 1417 |
| 382 | Rheumatology | 4 | 167 | 807 | 722 |
| 382 | Economic History | 21 | 167 | 1204 | 1708 |
| 382 | Aquatic ecology | 7 | 167 | 559 | 547 |
| 385 | Engineering Mathematics | 21 | 163 | 585 | 979 |
| 385 | carcinogens | 7 | 163 | 508 | 677 |
| 385 | Nonlinear systems | 8 | 163 | 313 | 332 |
| 388 | Cerebral cortex | 7 | 160 | 552 | 706 |
| 389 | Medical Technology | 12 | 159 | 645 | 1023 |
| 389 | Electromagnetism | 7 | 159 | 640 | 591 |
| 389 | X-rays | 14 | 159 | 145 | 231 |
| 392 | Computer Vision | 6 | 158 | 784 | 899 |
| 392 | Medical innovations | 4 | 158 | 681 | 946 |
| 392 | biological monitoring | 4 | 158 | 377 | 338 |
| 395 | Industrial Safety | 6 | 157 | 780 | 739 |
| 396 | Structural optimization | 1 | 156 | 608 | 245 |
| 397 | Developmental Biology | 7 | 155 | 1125 | 1432 |
| 397 | Biomolecules | 4 | 155 | 349 | 391 |
| 397 | Extreme environments | 1 | 155 | 434 | 186 |
| 400 | soil management | 6 | 152 | 328 | 486 |
| 400 | Entrepreneurship | 5 | 152 | 766 | 942 |
| 402 | Molecular Microbiology | 6 | 151 | 554 | 801 |
| 402 | Bacterial diseases | 6 | 151 | 110 | 188 |
| 404 | Thrombosis | 6 | 150 | 625 | 684 |
| 404 | cultural pluralism | 6 | 150 | 230 | 182 |
| 404 | Oxidation-reduction | 7 | 150 | 470 | 828 |
| 407 | Radiology | 11 | 148 | 617 | 709 |
| 408 | Industrial Engineering | 6 | 146 | 1237 | 1304 |
| 408 | machinery | 7 | 146 | 481 | 458 |
| 410 | Computer Science | 11 | 145 | 1005 | 1149 |
| 411 | Process Control | 2 | 143 | 1147 | 1001 |
| 411 | mutagens | 5 | 143 | 502 | 654 |
| 413 | Environmental Microbiology | 5 | 142 | 966 | 1229 |
| 413 | Electronics | 18 | 142 | 1411 | 2007 |
| 413 | Radiation Oncology | 6 | 142 | 199 | 233 |
| 413 | Land use | 5 | 142 | 830 | 907 |
| 417 | tillage | 4 | 140 | 323 | 450 |
| 418 | Geometry | 28 | 139 | 326 | 490 |
| 418 | Gene expression regulation | 7 | 139 | 519 | 689 |
| 418 | United States | 8 | 139 | 2760 | 2852 |
| 418 | Marine algae | 4 | 139 | 91 | 54 |
| 422 | Membranes | 3 | 136 | 1482 | 1406 |
| 422 | drug toxicity | 6 | 136 | 215 | 330 |
| 424 | Evolutionary Genetics | 9 | 135 | 213 | 456 |
| 424 | Molecular Epidemiology | 9 | 135 | 213 | 456 |
| 424 | soil microbiology | 6 | 135 | 961 | 1411 |
| 424 | Ultrasonics | 6 | 135 | 820 | 1108 |
| 428 | Geotechnical Engineering | 6 | 134 | 295 | 335 |
| 428 | Metastasis | 3 | 134 | 138 | 249 |
| 428 | Drug discovery | 8 | 134 | 69 | 153 |
| 431 | Boundary Value Problems | 4 | 133 | 683 | 469 |
| 431 | Antenna Arrays | 4 | 133 | 465 | 420 |
| 433 | Adolescent | 18 | 132 | 713 | 1366 |
| 434 | Child | 16 | 129 | 891 | 1496 |
| 434 | Calculus of Variations | 7 | 129 | 344 | 298 |
| 434 | Electrophysiology | 3 | 129 | 837 | 580 |
| 437 | ovary | 6 | 128 | 87 | 116 |
| 437 | Androgens | 1 | 128 | 358 | 194 |
| 439 | Obesity | 5 | 127 | 1253 | 1443 |
| 440 | Nursing | 6 | 126 | 1346 | 1124 |
| 440 | Information Systems | 4 | 126 | 1181 | 1056 |
| 440 | Malaria | 6 | 126 | 374 | 470 |
| 440 | Mitochondria | 3 | 126 | 244 | 241 |
| 444 | Botany | 10 | 125 | 2037 | 2754 |
| 444 | Plastics | 3 | 125 | 1593 | 1151 |
| 444 | language | 5 | 125 | 618 | 660 |
| 447 | Astronomy | 3 | 124 | 2211 | 1886 |
| 447 | Operator theory | 16 | 124 | 70 | 108 |
| 447 | Diagnosis | 9 | 124 | 146 | 232 |
| 447 | Molecular structure | 5 | 124 | 1927 | 1663 |
| 451 | drug development | 3 | 123 | 790 | 924 |
| 452 | Ceramic materials | 3 | 122 | 1325 | 1003 |
| 453 | Evidence-Based Medicine | 3 | 121 | 665 | 522 |
| 453 | Microbial Metabolism | 1 | 121 | 417 | 188 |
| 455 | Computational Intelligence | 10 | 120 | 234 | 422 |
| 455 | Laser therapy | 8 | 120 | 182 | 217 |
| 455 | Wind power | 12 | 120 | 66 | 160 |
| 458 | Sonochemistry | 5 | 118 | 453 | 809 |
| 459 | soil conservation | 4 | 117 | 636 | 664 |
| 459 | Respiratory Infections | 4 | 117 | 220 | 214 |
| 459 | Influenza | 4 | 117 | 137 | 150 |
| 462 | Computer Graphics | 8 | 116 | 1046 | 1263 |
| 462 | infrared radiation | 6 | 116 | 386 | 307 |
| 462 | Lipid metabolism | 4 | 116 | 313 | 427 |
| 462 | Lipid | 4 | 116 | 312 | 428 |
| 466 | Animal Behavior | 6 | 115 | 1240 | 1557 |
| 467 | Applied Linguistics | 7 | 114 | 347 | 365 |
| 467 | Photochemistry | 6 | 114 | 1186 | 1389 |
| 467 | Gerontology | 5 | 114 | 1354 | 1158 |
| 467 | brain mapping | 1 | 114 | 794 | 593 |
| 471 | Operations Research | 9 | 113 | 1328 | 1661 |
| 471 | winds | 11 | 113 | 16 | 32 |
| 473 | marketing | 5 | 112 | 1509 | 1647 |
| 473 | DNA | 9 | 112 | 229 | 437 |
| 475 | Cross-Cultural Studies | 3 | 111 | 733 | 528 |
| 475 | cross-cultural comparison | 3 | 111 | 522 | 354 |
| 475 | Biodiversity | 8 | 111 | 1267 | 1658 |
| 478 | Molecular Genetics | 8 | 110 | 1015 | 1612 |
| 478 | Communication | 4 | 110 | 1781 | 1576 |
| 478 | amino acids | 7 | 110 | 283 | 529 |
| 481 | Radiation | 4 | 109 | 1756 | 1432 |
| 482 | behavioral medicine | 4 | 108 | 1018 | 1284 |
| 482 | Entropy | 9 | 108 | 551 | 736 |
| 484 | Social policy | 2 | 105 | 1241 | 691 |
| 484 | Egypt | 7 | 105 | 234 | 488 |
| 486 | Biomarkers | 5 | 103 | 247 | 267 |
| 486 | biochemical markers | 5 | 103 | 409 | 462 |
| 488 | Social Psychology | 3 | 102 | 2081 | 1839 |
| 488 | Genes | 10 | 102 | 515 | 908 |
| 490 | Computer-Aided Design | 3 | 101 | 1200 | 943 |
| 490 | Bacteriology | 6 | 101 | 1147 | 1592 |
| 492 | Obstetrics | 15 | 100 | 891 | 1478 |
| 493 | Pharmacogenetics | 3 | 99 | 786 | 776 |
| 493 | Enteral nutrition | 3 | 99 | 705 | 778 |
| 493 | Parenteral nutrition | 3 | 99 | 810 | 871 |
| 496 | Quantum electronics | 7 | 98 | 1050 | 1143 |
| 496 | Differential Equations | 22 | 98 | 312 | 746 |
| 496 | Leukemia | 2 | 98 | 802 | 732 |
| 496 | multimedia | 4 | 98 | 408 | 533 |
| 496 | Interactive multimedia | 4 | 98 | 473 | 565 |
| 501 | Neuropharmacology | 5 | 97 | 402 | 512 |
| 501 | DNS | 8 | 97 | 198 | 454 |
| 501 | Japan | 8 | 97 | 991 | 1268 |
| 504 | Multicultural Education | 1 | 96 | 727 | 251 |
| 504 | Ethnic relations | 1 | 96 | 1045 | 349 |
| 504 | Electrochemical Analysis | 5 | 96 | 1261 | 1376 |
| 507 | Biodiversity conservation | 8 | 95 | 891 | 1571 |
| 508 | Quality of life | 3 | 94 | 1345 | 1363 |
| 508 | Neurons | 1 | 94 | 739 | 886 |
| 510 | Geosynthetics | 6 | 92 | 32 | 56 |
| 510 | Hematopoietic stem cell transplantation | 2 | 92 | 487 | 474 |
| 510 | Multiphase Flow | 5 | 92 | 282 | 396 |
| 513 | Optoelectronics | 9 | 91 | 240 | 260 |
| 514 | Developmental Genetics | 2 | 90 | 493 | 572 |
| 514 | Parasitology | 7 | 90 | 1448 | 1725 |
| 514 | viral genetics | 2 | 90 | 294 | 459 |
| 514 | Developing countries | 5 | 90 | 1742 | 1873 |
| 518 | Analytical Toxicology | 2 | 88 | 242 | 170 |
| 518 | Solar Energy | 5 | 88 | 1362 | 1859 |
| 520 | Tourism | 4 | 86 | 1453 | 1767 |
| 520 | alcoholism | 4 | 86 | 1058 | 1172 |
| 522 | Sustainable Development | 4 | 85 | 1771 | 2059 |
| 522 | Health Services Research | 7 | 85 | 896 | 1207 |
| 522 | Dynamics | 11 | 85 | 816 | 1192 |
| 525 | Neuroimmunology | 3 | 84 | 597 | 792 |
| 525 | economic policy | 7 | 84 | 1529 | 1595 |
| 527 | Orthopedics | 10 | 83 | 715 | 1093 |
| 527 | Mycology | 4 | 83 | 1215 | 1372 |
| 529 | Stochastic Processes | 7 | 82 | 545 | 694 |
| 529 | Strategic planning | 3 | 82 | 792 | 792 |
| 531 | Information Retrieval | 2 | 81 | 596 | 482 |
| 531 | Food Microbiology | 4 | 81 | 957 | 1397 |
| 531 | Combinatorial chemistry | 3 | 81 | 649 | 850 |
| 531 | Primary health care | 6 | 81 | 1055 | 1325 |
| 531 | Combinatorial analysis | 5 | 81 | 813 | 621 |
| 536 | Logistics | 3 | 80 | 566 | 696 |
| 536 | Cell metabolism | 5 | 80 | 437 | 917 |
| 538 | Oral Medicine | 7 | 79 | 460 | 537 |
| 538 | solar power | 3 | 79 | 820 | 1044 |
| 538 | Immunohistochemistry | 3 | 79 | 162 | 119 |
| 538 | solar cells | 3 | 79 | 877 | 1097 |
| 538 | United Kingdom | 3 | 79 | 1253 | 1291 |
| 543 | Cognitive Science | 5 | 78 | 1176 | 1604 |
| 543 | Fluorescence spectroscopy | 4 | 78 | 173 | 203 |
| 543 | vascular diseases | 3 | 78 | 604 | 713 |
| 546 | Clinical Immunology | 5 | 77 | 701 | 963 |
| 546 | Steroids | 5 | 77 | 650 | 845 |
| 548 | Immunopathology | 6 | 76 | 710 | 1036 |
| 548 | Health promotion | 3 | 76 | 1024 | 915 |
| 550 | Telemedicine | 1 | 75 | 633 | 360 |
| 550 | commerce | 12 | 75 | 673 | 1445 |
| 552 | Geochemistry | 7 | 74 | 1231 | 1749 |
| 552 | Small Business | 3 | 74 | 764 | 1065 |
| 552 | gastrointestinal tract | 3 | 74 | 303 | 504 |
| 555 | Health Policy | 5 | 73 | 1426 | 1709 |
| 555 | shellfish | 2 | 73 | 204 | 120 |
| 555 | Pregnancy | 8 | 73 | 414 | 769 |
| 558 | Emerging infectious diseases | 3 | 72 | 283 | 379 |
| 558 | Reproductive health | 6 | 72 | 452 | 736 |
| 558 | Geobiology | 3 | 72 | 414 | 474 |
| 558 | drug addiction | 2 | 72 | 1080 | 1037 |
| 558 | rehabilitation | 4 | 72 | 1685 | 1871 |
| 563 | Statistics | 8 | 71 | 1584 | 1768 |
| 563 | Embryology | 5 | 71 | 1002 | 1372 |
| 563 | Industrial Statistics | 5 | 71 | 118 | 117 |
| 563 | Cellular senescence | 2 | 71 | 385 | 676 |
| 563 | disease outbreaks | 2 | 71 | 537 | 574 |
| 563 | Epidemics | 2 | 71 | 523 | 568 |
| 563 | Informatics | 10 | 71 | 384 | 850 |
| 570 | Hemostasis | 2 | 70 | 742 | 635 |
| 570 | Ethology | 3 | 70 | 1292 | 1594 |
| 570 | Drug delivery systems | 4 | 70 | 1309 | 1674 |
| 570 | Cell survival | 2 | 70 | 258 | 298 |
| 570 | Decision making | 5 | 70 | 1069 | 1394 |
| 570 | molecular chaperones | 2 | 70 | 301 | 299 |
| 576 | Global Health | 4 | 69 | 853 | 892 |
| 576 | Power Electronics | 5 | 69 | 806 | 1106 |
| 576 | biofuels | 2 | 69 | 316 | 536 |
| 576 | Organometallic compounds | 5 | 69 | 1046 | 1250 |
| 576 | data collection | 9 | 69 | 498 | 1152 |
| 581 | Nondestructive testing | 3 | 68 | 665 | 639 |
| 581 | Structural health monitoring | 3 | 68 | 207 | 273 |
| 581 | soil pollution | 2 | 68 | 724 | 586 |
| 581 | structural stability | 3 | 68 | 334 | 419 |
| 585 | Intelligent Control Systems | 11 | 67 | 455 | 801 |
| 586 | Bipolar Disorder | 1 | 66 | 477 | 381 |
| 587 | Fluorescence | 1 | 63 | 936 | 419 |
| 587 | freshwater biology | 7 | 63 | 532 | 966 |
| 589 | Algorithms | 7 | 62 | 426 | 645 |
| 589 | drug resistance | 6 | 62 | 405 | 844 |
| 589 | Fungi | 2 | 62 | 1092 | 1133 |
| 589 | Plant cells | 3 | 62 | 899 | 1412 |
| 593 | Photobiology | 5 | 60 | 1038 | 1529 |
| 593 | fishing industry | 3 | 60 | 107 | 104 |
| 593 | anesthesia | 8 | 60 | 241 | 365 |
| 593 | Biomass | 2 | 60 | 871 | 1015 |
| 593 | Alzheimer's disease | 4 | 60 | 1039 | 960 |
| 598 | Nanochemistry | 6 | 58 | 865 | 1385 |
| 598 | Mobile Computing | 6 | 58 | 754 | 1106 |
| 598 | Marine Ecology | 10 | 58 | 383 | 774 |
| 598 | Functional Genomics | 2 | 58 | 305 | 396 |
| 602 | Psycholinguistics | 3 | 57 | 900 | 1025 |
| 602 | Human-Computer Interaction | 3 | 57 | 1511 | 1678 |
| 602 | Alternative Medicine | 7 | 57 | 871 | 1748 |
| 602 | complementary therapies | 7 | 57 | 989 | 1837 |
| 602 | drugs | 6 | 57 | 1291 | 1885 |
| 607 | Multilingualism | 6 | 56 | 150 | 351 |
| 608 | Metallurgy | 7 | 55 | 1445 | 1893 |
| 608 | Orthopedic Surgery | 7 | 55 | 419 | 708 |
| 608 | embryonic development | 3 | 55 | 376 | 499 |
| 608 | Energy Harvesting | 1 | 55 | 650 | 753 |
| 608 | ecosystem | 9 | 55 | 685 | 1597 |
| 613 | Randomized Controlled Trials | 6 | 54 | 623 | 820 |
| 613 | Light | 1 | 54 | 1247 | 1132 |
| 613 | Planets | 4 | 54 | 1101 | 1573 |
| 613 | Cell communication | 6 | 54 | 334 | 866 |
| 617 | Liver diseases | 7 | 53 | 747 | 1319 |
| 618 | Neuropsychiatry | 2 | 52 | 850 | 890 |
| 618 | Economic Development | 2 | 52 | 1776 | 1761 |
| 618 | Physical Chemistry | 8 | 52 | 1347 | 2075 |
| 618 | Speech Perception | 1 | 52 | 576 | 495 |
| 618 | Thin Films | 4 | 52 | 430 | 493 |
| 618 | auditory perception | 1 | 52 | 691 | 563 |
| 618 | Oral communication | 1 | 52 | 771 | 483 |
| 618 | population geography | 2 | 52 | 482 | 497 |
| 618 | Speech | 1 | 52 | 1294 | 1013 |
| 627 | Information Theory | 2 | 51 | 1509 | 1375 |
| 627 | Molecular evolution | 3 | 51 | 1360 | 1849 |
| 627 | Echocardiography | 2 | 51 | 121 | 107 |
| 627 | Zeolites | 2 | 51 | 1108 | 1292 |
| 627 | Microwaves | 3 | 51 | 1216 | 1141 |
| 627 | Catalysts | 2 | 51 | 842 | 804 |
| 633 | Marine invertebrates | 5 | 50 | 127 | 213 |
| 633 | Computational Fluid Dynamics | 4 | 50 | 532 | 760 |
| 633 | transport vesicles | 1 | 50 | 394 | 521 |
| 633 | antibiotics | 3 | 50 | 197 | 315 |
| 637 | Paleoclimatology | 7 | 49 | 704 | 1262 |
| 637 | Paleoecology | 7 | 49 | 690 | 1205 |
| 637 | Educational Psychology | 2 | 49 | 1596 | 1499 |
| 637 | Physical organic chemistry | 2 | 49 | 1599 | 1506 |
| 637 | Paleogeography | 7 | 49 | 615 | 1116 |
| 637 | Antioxidants | 2 | 49 | 830 | 1075 |
| 637 | land degradation | 2 | 49 | 611 | 741 |
| 637 | Library Science | 2 | 49 | 1171 | 758 |
| 637 | drug evaluation | 3 | 49 | 1157 | 1454 |
| 637 | degradation | 2 | 49 | 611 | 741 |
| 647 | Atmospheric Physics | 1 | 48 | 1881 | 1599 |
| 647 | Combustion | 3 | 48 | 1147 | 1384 |
| 647 | Bifurcation Theory | 3 | 48 | 263 | 301 |
| 647 | Sexual health | 1 | 48 | 1019 | 708 |
| 647 | Respiration | 6 | 48 | 922 | 1505 |
| 652 | Behavioral research | 6 | 47 | 331 | 600 |
| 653 | Eastern Europe | 4 | 46 | 738 | 717 |
| 653 | infection | 2 | 46 | 1489 | 1610 |
| 653 | food industry | 4 | 46 | 623 | 891 |
| 656 | Smoking | 1 | 45 | 1029 | 946 |
| 656 | Substance Abuse | 1 | 45 | 1798 | 1416 |
| 656 | protein | 4 | 45 | 957 | 1256 |
| 656 | mammals | 2 | 45 | 1119 | 1024 |
| 660 | Veterinary Pathology | 1 | 44 | 552 | 369 |
| 660 | Animal breeding | 1 | 44 | 1097 | 880 |
| 660 | Breeding | 1 | 44 | 1587 | 1351 |
| 663 | Audiology | 2 | 43 | 804 | 812 |
| 663 | Fluid Mechanics | 5 | 43 | 1142 | 1524 |
| 663 | Horticulture | 1 | 43 | 1214 | 871 |
| 663 | Biogeochemistry | 4 | 43 | 853 | 1427 |
| 663 | plant communities | 2 | 43 | 1131 | 1414 |
| 668 | Tissue Engineering | 4 | 42 | 276 | 495 |
| 668 | Biochemical Genetics | 4 | 42 | 354 | 394 |
| 668 | epilepsy | 1 | 42 | 1225 | 1020 |
| 668 | biomedicine | 2 | 42 | 616 | 819 |
| 668 | weight loss | 1 | 42 | 258 | 213 |
| 673 | Consumer education | 1 | 41 | 718 | 691 |
| 673 | Invertebrates | 2 | 41 | 719 | 768 |
| 673 | Atomic spectroscopy | 2 | 41 | 1274 | 1210 |
| 673 | econometric models | 5 | 41 | 447 | 933 |
| 673 | Thorax | 1 | 41 | 523 | 545 |
| 678 | Nuclear Medicine | 5 | 40 | 632 | 887 |
| 678 | Psychosomatic Medicine | 3 | 40 | 667 | 990 |
| 678 | Solitons | 5 | 40 | 935 | 1514 |
| 678 | Fractals | 5 | 40 | 939 | 1519 |
| 678 | Chaos | 5 | 40 | 935 | 1514 |
| 678 | East Asia | 7 | 40 | 314 | 645 |
| 678 | Mineral resources | 3 | 40 | 640 | 1109 |
| 685 | Cardiovascular Pharmacology | 1 | 39 | 438 | 400 |
| 686 | Molecular Imaging | 2 | 38 | 569 | 719 |
| 686 | Immunogenetics | 2 | 38 | 660 | 734 |
| 686 | Metabolic syndrome | 3 | 38 | 236 | 442 |
| 686 | primary prevention | 3 | 38 | 364 | 632 |
| 686 | public works | 2 | 38 | 202 | 160 |
| 686 | Algal blooms | 2 | 38 | 331 | 505 |
| 686 | Cyanobacteria | 2 | 38 | 331 | 505 |
| 686 | synthesis | 3 | 38 | 1128 | 1144 |
| 686 | microalgae | 2 | 38 | 331 | 505 |
| 695 | Climate change | 3 | 37 | 905 | 1603 |
| 695 | Metabolic diseases | 5 | 37 | 1328 | 2173 |
| 695 | Eutrophication | 3 | 37 | 846 | 1514 |
| 698 | Zoology | 6 | 36 | 1750 | 2357 |
| 698 | Systems Analysis | 4 | 36 | 999 | 1430 |
| 698 | Palliative Care | 3 | 36 | 715 | 869 |
| 698 | Plant Ecology | 2 | 36 | 1819 | 2208 |
| 698 | hospice care | 3 | 36 | 496 | 644 |
| 698 | Radiation effects | 2 | 36 | 803 | 1104 |
| 698 | Liquid chromatography | 2 | 36 | 641 | 491 |
| 705 | Educational Sociology | 2 | 35 | 480 | 497 |
| 705 | Drug targeting | 1 | 35 | 590 | 674 |
| 705 | Mass Media | 2 | 35 | 1030 | 699 |
| 705 | plant molecular biology | 2 | 35 | 1546 | 2032 |
| 709 | Meteorology | 2 | 34 | 2104 | 2482 |
| 709 | Telecommunication Systems | 9 | 34 | 901 | 1769 |
| 709 | Optical Communications | 4 | 34 | 651 | 888 |
| 709 | Psychopharmacology | 5 | 34 | 968 | 1605 |
| 709 | Psychometrics | 3 | 34 | 434 | 581 |
| 709 | Quantum Optics | 1 | 34 | 1255 | 1010 |
| 709 | Laser Spectroscopy | 1 | 34 | 1195 | 971 |
| 716 | Pharmacy | 4 | 33 | 1612 | 2348 |
| 716 | Molecular Pharmacology | 4 | 33 | 657 | 1225 |
| 716 | Intercultural Communication | 3 | 33 | 437 | 680 |
| 716 | Neurosurgery | 3 | 33 | 810 | 1093 |
| 716 | Population Genetics | 5 | 33 | 837 | 1590 |
| 716 | Geomagnetism | 1 | 33 | 773 | 738 |
| 716 | locomotion | 3 | 33 | 622 | 914 |
| 716 | posture | 3 | 33 | 622 | 914 |
| 716 | Migration | 1 | 33 | 407 | 211 |
| 716 | Hydrocarbons | 2 | 33 | 140 | 142 |
| 716 | energy development | 1 | 33 | 1510 | 1412 |
| 716 | gait | 3 | 33 | 622 | 914 |
| 716 | walking | 3 | 33 | 622 | 914 |
| 729 | Journalism | 1 | 32 | 901 | 621 |
| 729 | Business | 3 | 32 | 2149 | 2821 |
| 729 | Securities | 2 | 32 | 458 | 648 |
| 729 | stocks | 2 | 32 | 194 | 404 |
| 733 | Socioeconomic Factors | 4 | 31 | 617 | 1231 |
| 733 | carbon monoxide | 1 | 31 | 673 | 808 |
| 735 | Fluid Dynamics | 2 | 30 | 1243 | 1361 |
| 735 | Nanophotonics | 2 | 30 | 412 | 581 |
| 735 | Biological Systems | 2 | 30 | 671 | 891 |
| 735 | Holistic Health | 1 | 30 | 886 | 670 |
| 735 | allied health | 1 | 30 | 504 | 434 |
| 735 | Coronary heart disease | 2 | 30 | 272 | 245 |
| 741 | Clinical Biochemistry | 3 | 29 | 1003 | 1355 |
| 741 | Microcirculation | 2 | 29 | 543 | 731 |
| 741 | Immunotoxicology | 1 | 29 | 580 | 504 |
| 741 | Socialization | 2 | 29 | 677 | 975 |
| 741 | Capital market | 3 | 29 | 435 | 803 |
| 741 | Antigens | 2 | 29 | 768 | 913 |
| 741 | Dementia | 2 | 29 | 1323 | 1118 |
| 741 | role | 2 | 29 | 559 | 876 |
| 749 | Marine Geology | 2 | 28 | 703 | 853 |
| 749 | Plant tissue culture | 2 | 28 | 846 | 1152 |
| 749 | Diagnostic microbiology | 1 | 28 | 1214 | 1476 |
| 749 | visualization | 11 | 28 | 660 | 1183 |
| 749 | probabilities | 7 | 28 | 896 | 1267 |
| 749 | Soviet Union | 3 | 28 | 689 | 684 |
| 749 | Population | 2 | 28 | 1014 | 1310 |
| 749 | Landslides | 1 | 28 | 450 | 561 |
| 749 | Cell surface receptors | 1 | 28 | 263 | 211 |
| 749 | Plant cell culture | 2 | 28 | 758 | 1139 |
| 749 | Autism | 1 | 28 | 985 | 1064 |
| 749 | natural disasters | 2 | 28 | 1515 | 1917 |
| 761 | Development Economics | 1 | 27 | 762 | 698 |
| 761 | Cryptography | 5 | 27 | 476 | 705 |
| 761 | Coding Theory | 5 | 27 | 275 | 427 |
| 761 | Respiratory system | 3 | 27 | 514 | 836 |
| 761 | Plant hormones | 1 | 27 | 576 | 655 |
| 761 | Radio waves | 4 | 27 | 710 | 1130 |
| 761 | Radio | 4 | 27 | 1165 | 1672 |
| 761 | Australia | 5 | 27 | 1308 | 2179 |
| 769 | Computer Engineering | 3 | 26 | 1008 | 1449 |
| 769 | Tribology | 8 | 26 | 676 | 1485 |
| 769 | Serology | 3 | 26 | 472 | 865 |
| 769 | Language Acquisition | 1 | 26 | 604 | 470 |
| 769 | Biomechanics | 4 | 26 | 1067 | 1780 |
| 769 | Antibodies | 1 | 26 | 758 | 755 |
| 769 | Spine | 1 | 26 | 812 | 868 |
| 769 | traffic safety | 1 | 26 | 527 | 500 |
| 777 | Mechatronics | 8 | 25 | 485 | 1376 |
| 777 | Language and Education | 2 | 25 | 167 | 225 |
| 777 | Genetic testing | 3 | 25 | 304 | 477 |
| 777 | Environmental risk assessment | 2 | 25 | 508 | 683 |
| 777 | environmental control | 2 | 25 | 233 | 408 |
| 777 | eye | 3 | 25 | 185 | 485 |
| 777 | Vision | 3 | 25 | 621 | 951 |
| 777 | Imaging systems | 2 | 25 | 1043 | 1000 |
| 777 | child abuse | 2 | 25 | 916 | 1286 |
| 777 | Entomology | 4 | 25 | 1853 | 2387 |
| 787 | Forensic Pathology | 2 | 24 | 185 | 248 |
| 787 | air quality management | 2 | 24 | 665 | 1051 |
| 787 | Long-Term Care | 1 | 24 | 752 | 833 |
| 787 | Long-term care facilities | 1 | 24 | 746 | 826 |
| 787 | Molecular ecology | 3 | 24 | 907 | 1680 |
| 787 | Microscopy | 1 | 24 | 1990 | 1712 |
| 787 | Marine mammals | 3 | 24 | 217 | 391 |
| 794 | Contraception | 3 | 23 | 535 | 947 |
| 794 | Molecules | 10 | 23 | 858 | 1717 |
| 794 | Porous materials | 1 | 23 | 1279 | 1148 |
| 794 | Birth control | 3 | 23 | 410 | 848 |
| 794 | Meteorites | 1 | 23 | 1071 | 1262 |
| 799 | Ethics | 3 | 22 | 921 | 1337 |
| 799 | Visual Communication | 1 | 22 | 837 | 753 |
| 799 | Production Planning | 2 | 22 | 357 | 706 |
| 799 | Sports Medicine | 4 | 22 | 1966 | 2586 |
| 799 | Pesticide residues | 2 | 22 | 77 | 229 |
| 799 | Liquid Crystals | 6 | 22 | 653 | 934 |
| 799 | Viticulture | 1 | 22 | 217 | 227 |
| 799 | Image enhancement | 1 | 22 | 676 | 685 |
| 799 | Food additives | 2 | 22 | 1264 | 1839 |
| 799 | Production Control | 2 | 22 | 344 | 703 |
| 799 | Developmental Neurobiology | 3 | 22 | 519 | 867 |
| 799 | food contamination | 2 | 22 | 1235 | 1558 |
| 799 | Parasitic Diseases | 2 | 22 | 1905 | 2337 |
| 799 | older people | 3 | 22 | 1441 | 1713 |
| 799 | phototherapy | 1 | 22 | 220 | 133 |
| 814 | Ecological Genetics | 4 | 21 | 522 | 961 |
| 814 | Marine Geophysics | 1 | 21 | 491 | 470 |
| 814 | adolescence | 4 | 21 | 780 | 1447 |
| 814 | Marine mineral resources | 1 | 21 | 318 | 274 |
| 814 | Hypertension in pregnancy | 1 | 21 | 322 | 294 |
| 814 | Child psychology | 1 | 21 | 1877 | 1952 |
| 814 | mycoses | 1 | 21 | 1080 | 1194 |
| 814 | Seabed | 1 | 21 | 318 | 274 |
| 814 | Endocrine system | 2 | 21 | 716 | 493 |
| 814 | Cognition | 2 | 21 | 1806 | 2207 |
| 824 | Physical Therapy | 1 | 20 | 1696 | 1690 |
| 824 | Urban Planning | 1 | 20 | 696 | 809 |
| 824 | Pharmaceutical Technology | 4 | 20 | 1269 | 2131 |
| 824 | emergency management | 1 | 20 | 1139 | 1228 |
| 824 | health services accessibility | 2 | 20 | 1048 | 1407 |
| 824 | community development | 1 | 20 | 1020 | 1008 |
| 824 | Environmental carcinogens | 1 | 20 | 52 | 98 |
| 824 | Housing | 1 | 20 | 837 | 947 |
| 824 | Probiotics | 1 | 20 | 425 | 534 |
| 824 | Enzyme | 2 | 20 | 663 | 1133 |
| 824 | Mitochondrial DNA | 4 | 20 | 130 | 253 |
| 824 | Transplantation | 2 | 20 | 864 | 1170 |
| 836 | Biopharmaceutics | 3 | 19 | 976 | 1699 |
| 836 | Inventory Control | 1 | 19 | 179 | 303 |
| 836 | Emergency Medicine | 4 | 19 | 964 | 1475 |
| 836 | patents | 1 | 19 | 180 | 169 |
| 836 | Ferroelectricity | 6 | 19 | 721 | 1203 |
| 836 | Formal Languages | 1 | 19 | 568 | 375 |
| 836 | Blood vessels | 1 | 19 | 629 | 731 |
| 836 | Gastrointestinal diseases | 5 | 19 | 453 | 947 |
| 836 | Menopause | 4 | 19 | 224 | 574 |
| 836 | impact | 1 | 19 | 496 | 628 |
| 846 | Traffic Engineering | 1 | 18 | 717 | 855 |
| 846 | Graph Theory | 1 | 18 | 1181 | 860 |
| 846 | Highway Engineering | 1 | 18 | 635 | 707 |
| 846 | Discrete Mathematics | 1 | 18 | 710 | 384 |
| 846 | Smart Materials | 4 | 18 | 796 | 1493 |
| 846 | international trade | 1 | 18 | 1283 | 1208 |
| 846 | individual differences | 1 | 18 | 527 | 704 |
| 846 | graph | 1 | 18 | 710 | 384 |
| 846 | Plant diseases | 3 | 18 | 1717 | 2392 |
| 855 | health behavior | 1 | 17 | 1279 | 1433 |
| 855 | Plasma chemistry | 1 | 17 | 656 | 750 |
| 855 | Transnational corporations | 2 | 17 | 516 | 966 |
| 855 | cell adhesion molecules | 2 | 17 | 226 | 591 |
| 855 | Ultrasonic Imaging | 1 | 17 | 838 | 958 |
| 855 | Pathogens | 2 | 17 | 133 | 343 |
| 855 | educational planning | 1 | 17 | 727 | 866 |
| 855 | Ultrasound | 1 | 17 | 1070 | 1240 |
| 863 | Plant Genetics | 1 | 16 | 1019 | 1245 |
| 863 | Structural design | 4 | 16 | 702 | 1379 |
| 863 | Engineering Ethics | 1 | 16 | 379 | 482 |
| 863 | Financial Engineering | 1 | 16 | 365 | 527 |
| 863 | Soft Condensed Matter | 2 | 16 | 1167 | 1626 |
| 863 | Professional ethics | 1 | 16 | 548 | 679 |
| 863 | Ubiquitous computing | 1 | 16 | 611 | 459 |
| 863 | innovation | 2 | 16 | 743 | 1283 |
| 863 | Continental shelf | 3 | 16 | 356 | 709 |
| 863 | Chemical industry | 1 | 16 | 1879 | 1885 |
| 863 | Youth | 3 | 16 | 659 | 1229 |
| 874 | Health Services Administration | 1 | 15 | 1551 | 1718 |
| 874 | health workforce | 1 | 15 | 345 | 541 |
| 874 | Microfabrication | 1 | 15 | 639 | 691 |
| 874 | transgenic organisms | 2 | 15 | 286 | 625 |
| 874 | Plant genetic engineering | 2 | 15 | 969 | 1437 |
| 874 | Marine biodiversity | 2 | 15 | 265 | 401 |
| 874 | transgenic animals | 2 | 15 | 273 | 604 |
| 874 | Transgenic plants | 2 | 15 | 496 | 942 |
| 874 | Emulsions | 1 | 15 | 723 | 746 |
| 874 | disease vectors | 1 | 15 | 1359 | 1676 |
| 874 | North America | 3 | 15 | 792 | 1342 |
| 874 | Parasites | 2 | 15 | 1715 | 2231 |
| 886 | Dentistry | 4 | 14 | 614 | 989 |
| 886 | Teratology | 1 | 14 | 385 | 507 |
| 886 | Sociolinguistics | 3 | 14 | 473 | 784 |
| 886 | Pharmacokinetics | 2 | 14 | 968 | 1570 |
| 886 | Forest Ecology | 1 | 14 | 1410 | 1742 |
| 886 | Communication and Culture | 1 | 14 | 529 | 521 |
| 886 | Technology Assessment | 2 | 14 | 551 | 1262 |
| 886 | Technological Innovations | 3 | 14 | 1065 | 1961 |
| 886 | Forest Management | 1 | 14 | 1348 | 1636 |
| 886 | Language planning | 3 | 14 | 175 | 282 |
| 886 | Osteoporosis | 1 | 14 | 596 | 723 |
| 886 | Social interaction | 1 | 14 | 617 | 758 |
| 886 | Learning | 1 | 14 | 1723 | 1977 |
| 886 | Bone diseases | 1 | 14 | 715 | 871 |
| 886 | abnormalities | 1 | 14 | 260 | 363 |
| 886 | heredity | 4 | 14 | 530 | 1103 |
| 886 | ethanol | 2 | 14 | 590 | 918 |
| 886 | recreation | 1 | 14 | 1058 | 1084 |
| 886 | Bones | 2 | 14 | 751 | 1229 |
| 886 | Leisure | 1 | 14 | 582 | 785 |
| 906 | Nanomedicine | 2 | 13 | 303 | 771 |
| 906 | Pediatric Hematology | 1 | 13 | 536 | 534 |
| 906 | Chemical Oceanography | 1 | 13 | 427 | 607 |
| 906 | Geographic information systems | 1 | 13 | 1756 | 1850 |
| 906 | symbiosis | 1 | 13 | 325 | 454 |
| 906 | Language Policy | 2 | 13 | 139 | 332 |
| 906 | Cognitive neuroscience | 2 | 13 | 1032 | 1575 |
| 906 | Mass Spectrometry | 2 | 13 | 1182 | 1625 |
| 906 | Microprocessors | 2 | 13 | 778 | 1138 |
| 906 | big data | 2 | 13 | 843 | 1322 |
| 906 | reasoning | 1 | 13 | 806 | 831 |
| 906 | Latin America | 2 | 13 | 1344 | 1377 |
| 906 | Chemical structure | 2 | 13 | 713 | 992 |
| 919 | Total Quality Management | 1 | 12 | 1085 | 1355 |
| 919 | Real Estate Investment | 2 | 12 | 218 | 362 |
| 919 | Crystallography | 2 | 12 | 1784 | 1833 |
| 919 | Portfolio Management | 2 | 12 | 369 | 463 |
| 919 | Sports | 2 | 12 | 2237 | 2595 |
| 919 | Optoelectronic devices | 1 | 12 | 1556 | 1490 |
| 919 | Physical fitness | 2 | 12 | 1171 | 1732 |
| 919 | pottery | 2 | 12 | 1128 | 1632 |
| 919 | Brain damage | 2 | 12 | 445 | 807 |
| 919 | real estate | 2 | 12 | 72 | 145 |
| 929 | Radiologic Technology | 1 | 11 | 280 | 280 |
| 929 | Interventional Radiology | 1 | 11 | 280 | 280 |
| 929 | Ecophysiology | 1 | 11 | 461 | 698 |
| 929 | Lattice Theory | 2 | 11 | 266 | 300 |
| 929 | Cell division | 1 | 11 | 615 | 865 |
| 929 | Marriage | 2 | 11 | 645 | 1087 |
| 929 | global environmental change | 1 | 11 | 1223 | 1689 |
| 929 | Interventional Radiography | 1 | 11 | 280 | 280 |
| 929 | Endoscopic Surgery | 1 | 11 | 280 | 280 |
| 929 | Cosmochemistry | 3 | 11 | 828 | 1579 |
| 929 | Family | 2 | 11 | 1151 | 1758 |
| 929 | industrial relations | 1 | 11 | 1315 | 1475 |
| 929 | Ion channels | 1 | 11 | 215 | 321 |
| 929 | Cheminformatics | 1 | 11 | 571 | 807 |
| 929 | Cannabis | 2 | 11 | 110 | 283 |
| 929 | cannabinoids | 2 | 11 | 99 | 260 |
| 929 | Familial diseases | 1 | 11 | 290 | 415 |
| 946 | Emergency Medical Services | 1 | 10 | 1018 | 1220 |
| 946 | Algebra | 5 | 10 | 1213 | 1698 |
| 946 | Conservation Biology | 3 | 10 | 1020 | 1842 |
| 946 | Regenerative Medicine | 2 | 10 | 176 | 453 |
| 946 | Nuclear Chemistry | 2 | 10 | 1238 | 1605 |
| 946 | Radiochemistry | 2 | 10 | 1159 | 1500 |
| 946 | Crystallization | 1 | 10 | 790 | 819 |
| 946 | mutation | 1 | 10 | 827 | 1107 |
| 946 | Social Change | 1 | 10 | 1630 | 2182 |
| 946 | Adaptive control systems | 4 | 10 | 509 | 1166 |
| 946 | Chromosomes | 1 | 10 | 1216 | 1555 |
| 946 | rare diseases | 2 | 10 | 637 | 1031 |
| 946 | crime victims | 1 | 10 | 339 | 482 |
| 946 | violence | 1 | 10 | 1463 | 1809 |
| 946 | Aggression | 1 | 10 | 804 | 1098 |
| 961 | Physical Geography | 1 | 9 | 859 | 1090 |
| 961 | Photography | 1 | 9 | 1442 | 969 |
| 961 | Landscape Ecology | 1 | 9 | 702 | 1034 |
| 961 | Ceramics | 1 | 9 | 2004 | 2168 |
| 961 | Public Policy | 1 | 9 | 2447 | 3004 |
| 961 | Regional Planning | 1 | 9 | 2084 | 2432 |
| 961 | Apoptosis | 1 | 9 | 515 | 858 |
| 961 | neurotoxins | 1 | 9 | 515 | 858 |
| 961 | Neurotoxic agents | 1 | 9 | 515 | 858 |
| 961 | Noise | 1 | 9 | 310 | 380 |
| 961 | Sound | 1 | 9 | 1542 | 1625 |
| 961 | Bacterial infections | 3 | 9 | 690 | 1566 |
| 961 | Glass | 1 | 9 | 1451 | 1774 |
| 961 | Allergy | 1 | 9 | 1184 | 1506 |
| 961 | Cerebellum | 1 | 9 | 492 | 672 |
| 961 | RNA | 2 | 9 | 558 | 1020 |
| 961 | Growth | 1 | 9 | 1316 | 1752 |
| 961 | Structure-activity relationship | 1 | 9 | 485 | 661 |
| 961 | planning | 1 | 9 | 1324 | 1677 |
| 961 | gene transfer | 2 | 9 | 310 | 636 |
| 961 | sexual behavior | 1 | 9 | 1069 | 1391 |
| 961 | Economic planning | 1 | 9 | 936 | 1274 |
| 961 | Nerve regeneration | 1 | 9 | 515 | 858 |
| 961 | Cerebellar ataxia | 1 | 9 | 492 | 672 |
| 961 | genetic transformation | 2 | 9 | 310 | 636 |
| 986 | Otolaryngology | 2 | 8 | 551 | 890 |
| 986 | Telecommunications | 1 | 8 | 1402 | 1627 |
| 986 | Educational Technology | 2 | 8 | 1979 | 3165 |
| 986 | Molecular recognition | 1 | 8 | 450 | 695 |
| 986 | Wireless Communication | 2 | 8 | 588 | 1034 |
| 986 | Waste management | 1 | 8 | 2043 | 2459 |
| 986 | Water Purification | 1 | 8 | 1715 | 2109 |
| 986 | Water quality management | 1 | 8 | 2492 | 2987 |
| 986 | acupuncture | 2 | 8 | 265 | 384 |
| 986 | hazard mitigation | 1 | 8 | 1573 | 2071 |
| 986 | bioluminescence | 1 | 8 | 715 | 906 |
| 986 | stability | 1 | 8 | 213 | 216 |
| 986 | textile fibers | 1 | 8 | 796 | 1001 |
| 986 | Attention | 1 | 8 | 1852 | 2270 |
| 986 | international cooperation | 2 | 8 | 725 | 1272 |