| 1 | Astrophysics | 354 | 44.2K | 344 | 261 |
| 2 | Condensed Matter | 16 | 32.3K | 1,496 | 120 |
| 3 | Spectrum analysis | 238 | 31.1K | 381 | 207 |
| 4 | Nuclear Physics | 459 | 26.8K | 416 | 305 |
| 5 | Physics | 253 | 24.7K | 1,096 | 778 |
| 6 | Science | 188 | 21.3K | 1,093 | 735 |
| 7 | Biochemistry | 397 | 18.2K | 816 | 696 |
| 8 | Molecular Biology | 308 | 17.7K | 711 | 605 |
| 9 | Biology | 140 | 16.9K | 1,185 | 810 |
| 10 | Chemistry | 267 | 14.1K | 1,169 | 989 |
| 11 | Catalysis | 125 | 13.6K | 602 | 270 |
| 12 | Medicine | 209 | 11.8K | 1,065 | 829 |
| 13 | Botany | 133 | 11.2K | 530 | 325 |
| 14 | Genetics | 75 | 10.9K | 584 | 318 |
| 15 | Natural history | 15 | 10.5K | 1,366 | 647 |
| 16 | Microbiology | 159 | 9.9K | 781 | 650 |
| 17 | Biophysics | 193 | 7.4K | 670 | 588 |
| 18 | Biotechnology | 79 | 6.6K | 1,053 | 710 |
| 19 | Hematology | 133 | 6.3K | 320 | 293 |
| 20 | Physiology | 162 | 6.0K | 452 | 455 |
| 21 | Research | 162 | 6.0K | 1,067 | 924 |
| 22 | Astronomy | 134 | 5.5K | 506 | 530 |
| 23 | Neurology | 120 | 5.2K | 782 | 785 |
| 24 | Cell Biology | 73 | 5.0K | 704 | 697 |
| 25 | Automation | 70 | 4.9K | 328 | 253 |
| 26 | Ecology | 75 | 4.9K | 1,220 | 1,003 |
| 27 | Quantum Gravity | 73 | 4.9K | 586 | 415 |
| 28 | Cytology | 79 | 4.5K | 747 | 738 |
| 29 | Breeding | 42 | 4.4K | 204 | 56 |
| 30 | food technology | 134 | 4.4K | 174 | 179 |
| 31 | Environment | 66 | 4.2K | 938 | 944 |
| 32 | Plants | 53 | 4.2K | 342 | 272 |
| 33 | soil microbiology | 44 | 4.2K | 256 | 178 |
| 34 | Soil biology | 28 | 4.1K | 234 | 97 |
| 35 | Psychiatry | 68 | 4.1K | 766 | 582 |
| 36 | Food | 119 | 4.1K | 239 | 277 |
| 37 | Mathematics | 344 | 4.0K | 534 | 588 |
| 38 | Diabetes mellitus | 32 | 3.7K | 471 | 286 |
| 39 | Diabetes | 31 | 3.7K | 524 | 303 |
| 40 | Hypertension | 19 | 3.6K | 546 | 332 |
| 41 | Endocrinology | 55 | 3.5K | 583 | 518 |
| 42 | plant molecular biology | 40 | 3.3K | 313 | 301 |
| 43 | Metabolism | 46 | 3.3K | 592 | 501 |
| 44 | Psychophysiology | 51 | 3.2K | 660 | 495 |
| 45 | Cardiovascular system | 11 | 3.2K | 678 | 354 |
| 46 | Pollution | 40 | 3.2K | 1,554 | 1,135 |
| 47 | management | 51 | 3.1K | 758 | 624 |
| 48 | Image Processing | 67 | 3.0K | 306 | 289 |
| 49 | Food Microbiology | 52 | 3.0K | 123 | 110 |
| 50 | Plant cells | 28 | 3.0K | 332 | 329 |
| 51 | nucleic acids | 31 | 3.0K | 477 | 388 |
| 52 | Plant physiology | 62 | 2.9K | 345 | 377 |
| 53 | Agricultural Chemistry | 47 | 2.9K | 406 | 264 |
| 54 | Plant Biotechnology | 9 | 2.8K | 343 | 35 |
| 55 | Cancer | 64 | 2.8K | 591 | 624 |
| 56 | Plant genetic engineering | 9 | 2.8K | 430 | 75 |
| 57 | Plant diseases | 57 | 2.8K | 303 | 195 |
| 58 | Bacteriology | 43 | 2.8K | 399 | 332 |
| 59 | Bioengineering | 49 | 2.8K | 963 | 867 |
| 60 | Analytical Chemistry | 78 | 2.6K | 908 | 863 |
| 61 | Signal Processing | 65 | 2.6K | 465 | 430 |
| 62 | Epidemiology | 132 | 2.6K | 357 | 524 |
| 63 | diseases | 1 | 2.6K | 565 | 148 |
| 63 | Disease | 1 | 2.6K | 549 | 147 |
| 65 | Immunology | 45 | 2.6K | 739 | 648 |
| 66 | Human genetics | 14 | 2.6K | 812 | 745 |
| 67 | Nutrition | 80 | 2.5K | 657 | 714 |
| 68 | environmental pollution | 34 | 2.5K | 1,301 | 894 |
| 69 | Metabolic diseases | 31 | 2.5K | 571 | 491 |
| 70 | Electronics | 104 | 2.5K | 470 | 484 |
| 71 | Aquaculture | 48 | 2.4K | 245 | 166 |
| 72 | Nanotechnology | 43 | 2.4K | 1,415 | 1,176 |
| 73 | Artificial Intelligence | 85 | 2.3K | 539 | 622 |
| 74 | Power Electronics | 45 | 2.3K | 187 | 178 |
| 75 | Brain | 33 | 2.3K | 763 | 547 |
| 76 | Soil ecology | 23 | 2.3K | 158 | 53 |
| 77 | Critical Care | 27 | 2.3K | 390 | 340 |
| 78 | Critical Care Medicine | 25 | 2.2K | 406 | 342 |
| 79 | Neurophysiology | 39 | 2.1K | 741 | 673 |
| 80 | Genomics | 50 | 2.1K | 606 | 529 |
| 80 | infection | 37 | 2.1K | 328 | 248 |
| 82 | Sports Medicine | 40 | 2.0K | 598 | 413 |
| 83 | Electrochemistry | 73 | 1.9K | 900 | 806 |
| 84 | Materials | 60 | 1.9K | 1,572 | 1,520 |
| 85 | Soil fertility | 13 | 1.9K | 88 | 25 |
| 86 | Information Science | 44 | 1.9K | 438 | 387 |
| 87 | Environmental monitoring | 25 | 1.8K | 1,336 | 892 |
| 88 | Neuropsychology | 43 | 1.8K | 535 | 447 |
| 89 | Production Management | 23 | 1.8K | 314 | 287 |
| 90 | Respiration | 43 | 1.8K | 285 | 251 |
| 91 | Obstetrics | 40 | 1.8K | 505 | 377 |
| 92 | Behavior | 31 | 1.7K | 902 | 797 |
| 93 | Leukemia | 34 | 1.7K | 205 | 235 |
| 94 | Process Control | 20 | 1.7K | 234 | 167 |
| 95 | Environmental Health | 44 | 1.7K | 1,332 | 1,338 |
| 96 | Animal Behavior | 16 | 1.6K | 768 | 473 |
| 97 | Mental Disorders | 26 | 1.6K | 826 | 639 |
| 98 | animals | 118 | 1.6K | 36 | 81 |
| 99 | Microbial Ecology | 19 | 1.6K | 806 | 637 |
| 100 | Nervous system | 52 | 1.5K | 470 | 593 |
| 101 | Chronic diseases | 4 | 1.5K | 503 | 185 |
| 102 | Biomedical Engineering | 44 | 1.5K | 1,260 | 1,194 |
| 103 | gene mapping | 21 | 1.5K | 613 | 438 |
| 104 | Earthquake Engineering | 49 | 1.5K | 276 | 283 |
| 105 | Pharmacology | 70 | 1.5K | 1,055 | 1,274 |
| 105 | Operations Research | 50 | 1.5K | 453 | 476 |
| 107 | Ethology | 12 | 1.5K | 703 | 438 |
| 108 | plant communities | 21 | 1.5K | 329 | 287 |
| 109 | Computer Graphics | 28 | 1.4K | 451 | 280 |
| 109 | industrial waste | 23 | 1.4K | 116 | 117 |
| 111 | radioactive waste | 21 | 1.4K | 116 | 120 |
| 111 | Hazardous waste | 21 | 1.4K | 169 | 135 |
| 113 | Infections | 28 | 1.4K | 235 | 267 |
| 114 | International Finance | 23 | 1.4K | 506 | 255 |
| 115 | Signal Transduction | 11 | 1.4K | 668 | 360 |
| 116 | human behavior | 15 | 1.4K | 990 | 738 |
| 117 | Cognitive neuroscience | 16 | 1.4K | 385 | 298 |
| 118 | vibration | 54 | 1.4K | 121 | 178 |
| 119 | Sports | 26 | 1.4K | 671 | 424 |
| 120 | Medical Microbiology | 30 | 1.3K | 591 | 629 |
| 120 | Antioxidants | 11 | 1.3K | 309 | 162 |
| 122 | Chromosome mapping | 18 | 1.3K | 606 | 393 |
| 123 | Soil Science | 27 | 1.3K | 500 | 391 |
| 123 | Environmental Policy | 25 | 1.3K | 1,005 | 918 |
| 125 | Organometallic compounds | 25 | 1.3K | 392 | 223 |
| 126 | Diet | 27 | 1.3K | 550 | 571 |
| 127 | Multiphase Flow | 20 | 1.3K | 77 | 46 |
| 128 | Oncology | 30 | 1.3K | 506 | 854 |
| 129 | Biochemical Engineering | 11 | 1.3K | 1,721 | 1,219 |
| 130 | Public Health | 134 | 1.3K | 590 | 1,240 |
| 131 | Microelectronics | 24 | 1.3K | 582 | 500 |
| 132 | livestock | 112 | 1.3K | 15 | 33 |
| 133 | Genetic engineering | 26 | 1.3K | 581 | 513 |
| 134 | Liver diseases | 18 | 1.3K | 510 | 485 |
| 135 | cell physiology | 19 | 1.3K | 510 | 446 |
| 136 | Thrombosis | 5 | 1.3K | 705 | 257 |
| 137 | Economics | 47 | 1.3K | 1,104 | 947 |
| 138 | Robotics | 38 | 1.3K | 359 | 317 |
| 139 | vascular diseases | 7 | 1.2K | 435 | 208 |
| 140 | Parasitic Diseases | 20 | 1.2K | 624 | 371 |
| 141 | bees | 22 | 1.2K | 71 | 43 |
| 142 | Computational Biology | 32 | 1.2K | 601 | 608 |
| 143 | Oxidation-reduction | 7 | 1.2K | 464 | 246 |
| 144 | Psycholinguistics | 15 | 1.2K | 367 | 236 |
| 145 | Urology | 29 | 1.2K | 435 | 372 |
| 146 | finance | 20 | 1.2K | 894 | 520 |
| 147 | Hormones | 23 | 1.2K | 367 | 299 |
| 148 | Psychopharmacology | 10 | 1.2K | 733 | 439 |
| 149 | Structural dynamics | 37 | 1.2K | 174 | 257 |
| 150 | Energy Policy | 24 | 1.2K | 897 | 865 |
| 151 | Fluid Mechanics | 23 | 1.1K | 479 | 294 |
| 152 | Structural Engineering | 35 | 1.1K | 395 | 354 |
| 153 | Optics | 35 | 1.1K | 1,433 | 987 |
| 154 | Ocean Engineering | 30 | 1.1K | 486 | 420 |
| 155 | visualization | 11 | 1.1K | 666 | 151 |
| 156 | Europe | 135 | 1.1K | 250 | 638 |
| 157 | drug therapy | 39 | 1.1K | 497 | 538 |
| 158 | Semiconductors | 64 | 1.1K | 263 | 277 |
| 159 | Autoimmunity | 22 | 1.1K | 174 | 183 |
| 160 | Sleep Disorders | 21 | 1.0K | 454 | 326 |
| 160 | Sleep | 21 | 1.0K | 462 | 332 |
| 162 | Bioinformatics | 26 | 1.0K | 584 | 561 |
| 163 | Cell differentiation | 23 | 1.0K | 493 | 583 |
| 164 | Neurolinguistics | 12 | 1.0K | 155 | 85 |
| 165 | Quality Control | 33 | 1.0K | 271 | 269 |
| 166 | Telecommunication | 30 | 1.0K | 770 | 686 |
| 167 | Speech Disorders | 8 | 986 | 617 | 243 |
| 168 | Statistics | 57 | 982 | 580 | 603 |
| 169 | Chemical Engineering | 33 | 977 | 1,578 | 1,736 |
| 169 | Pediatrics | 27 | 977 | 621 | 663 |
| 171 | Environmental Engineering | 23 | 972 | 1,310 | 1,155 |
| 172 | Immunity | 6 | 959 | 1,070 | 747 |
| 173 | Human-Computer Interaction | 30 | 956 | 253 | 284 |
| 174 | Materials Science | 17 | 947 | 2,018 | 1,524 |
| 175 | Medical Laboratory Science | 14 | 935 | 831 | 651 |
| 176 | Toxicology | 35 | 916 | 1,319 | 1,508 |
| 177 | Electrophoresis | 27 | 915 | 399 | 337 |
| 178 | Systems Engineering | 25 | 914 | 614 | 501 |
| 179 | System analysis | 28 | 911 | 659 | 547 |
| 180 | proteins | 20 | 910 | 711 | 529 |
| 181 | Speech | 7 | 909 | 590 | 233 |
| 182 | language | 7 | 905 | 496 | 189 |
| 183 | mathematical analysis | 78 | 902 | 397 | 484 |
| 184 | Cosmology | 11 | 885 | 291 | 130 |
| 185 | Pathology | 41 | 881 | 476 | 645 |
| 186 | Perception | 29 | 875 | 496 | 500 |
| 187 | Mental illness | 26 | 874 | 513 | 662 |
| 188 | nuclear astrophysics | 10 | 871 | 228 | 112 |
| 189 | Cell death | 22 | 863 | 359 | 475 |
| 190 | Numerical Analysis | 51 | 862 | 417 | 466 |
| 191 | Bioenergetics | 26 | 859 | 167 | 233 |
| 192 | Surgery | 10 | 850 | 765 | 706 |
| 193 | genome | 13 | 842 | 604 | 598 |
| 194 | Cerebral cortex | 16 | 839 | 357 | 315 |
| 195 | Food additives | 16 | 838 | 355 | 310 |
| 196 | Social Change | 8 | 837 | 574 | 332 |
| 196 | Colloids | 22 | 837 | 1,541 | 1,471 |
| 198 | Food preferences | 12 | 832 | 130 | 67 |
| 199 | Mechanics | 31 | 831 | 267 | 216 |
| 200 | food handling | 25 | 829 | 138 | 176 |
| 201 | Energy metabolism | 25 | 823 | 145 | 211 |
| 202 | free radicals | 15 | 817 | 527 | 537 |
| 203 | Cognitive Science | 12 | 812 | 697 | 486 |
| 204 | Anatomy | 33 | 811 | 506 | 570 |
| 205 | Surface Chemistry | 31 | 806 | 1,344 | 1,458 |
| 206 | Manufacturing Processes | 26 | 796 | 727 | 696 |
| 207 | Electrochemical Analysis | 28 | 789 | 414 | 391 |
| 208 | Schizophrenia | 17 | 787 | 350 | 339 |
| 209 | Molecular ecology | 8 | 779 | 615 | 462 |
| 209 | enzymes | 5 | 779 | 1,080 | 431 |
| 211 | Therapeutics | 18 | 777 | 585 | 544 |
| 212 | Neuropsychiatry | 18 | 774 | 242 | 199 |
| 213 | Entomology | 23 | 767 | 766 | 512 |
| 214 | Geomorphology | 16 | 766 | 565 | 494 |
| 214 | Molecular Genetics | 9 | 766 | 981 | 682 |
| 216 | Mathematical Physics | 37 | 762 | 876 | 829 |
| 217 | Algebra | 54 | 761 | 239 | 176 |
| 218 | protein | 12 | 758 | 534 | 328 |
| 219 | Environmental Management | 24 | 753 | 954 | 1,254 |
| 220 | Biodiversity conservation | 8 | 752 | 942 | 795 |
| 220 | soil pollution | 5 | 752 | 361 | 37 |
| 220 | Reproduction | 30 | 752 | 623 | 673 |
| 223 | Medical genetics | 20 | 749 | 850 | 960 |
| 224 | Cytogenetics | 11 | 747 | 625 | 522 |
| 225 | Climate change | 6 | 743 | 648 | 679 |
| 225 | soil conservation | 3 | 743 | 802 | 110 |
| 225 | Eutrophication | 6 | 743 | 614 | 672 |
| 225 | Stem cells | 14 | 743 | 580 | 479 |
| 229 | Control Theory | 33 | 741 | 463 | 461 |
| 230 | miniaturization | 4 | 723 | 1,500 | 785 |
| 231 | Dermatology | 28 | 721 | 477 | 479 |
| 232 | Geophysics | 27 | 720 | 1,202 | 1,260 |
| 232 | Oncogenes | 14 | 720 | 441 | 522 |
| 234 | Engineering | 52 | 718 | 883 | 1,155 |
| 235 | Geriatric Oncology | 17 | 714 | 136 | 108 |
| 236 | Hydrology | 24 | 713 | 783 | 796 |
| 237 | Ultrasonics | 6 | 711 | 829 | 363 |
| 237 | Sonochemistry | 5 | 711 | 459 | 180 |
| 239 | Hemodynamics | 10 | 709 | 313 | 305 |
| 240 | Biogeochemical cycles | 2 | 708 | 468 | 226 |
| 241 | Psychology | 26 | 707 | 1,595 | 1,461 |
| 242 | Mass Spectrometry | 12 | 702 | 532 | 328 |
| 243 | Nursing | 38 | 701 | 367 | 358 |
| 244 | United States | 26 | 697 | 1,630 | 1,486 |
| 245 | Antibacterial agents | 22 | 694 | 92 | 135 |
| 246 | Emergency Medicine | 18 | 690 | 433 | 263 |
| 247 | Multimedia Systems | 26 | 685 | 464 | 370 |
| 248 | Plant Ecology | 20 | 683 | 642 | 724 |
| 249 | Diagnostic microbiology | 6 | 682 | 697 | 542 |
| 250 | environmental protection | 12 | 678 | 1,837 | 1,363 |
| 251 | Cognition | 25 | 676 | 569 | 653 |
| 252 | Bioinorganic chemistry | 20 | 673 | 511 | 423 |
| 253 | mass transfer | 15 | 671 | 761 | 631 |
| 254 | Cybernetics | 17 | 668 | 583 | 564 |
| 255 | Mechanical Engineering | 18 | 666 | 1,031 | 567 |
| 256 | Electrical Engineering | 19 | 665 | 1,353 | 754 |
| 257 | Chromatography | 27 | 662 | 373 | 354 |
| 258 | Chromatographic analysis | 27 | 654 | 479 | 425 |
| 259 | Pharmaceutical Chemistry | 24 | 653 | 1,302 | 1,350 |
| 260 | hydrocolloids | 12 | 637 | 247 | 302 |
| 261 | Developmental Biology | 9 | 631 | 1,003 | 845 |
| 262 | Solid State Chemistry | 18 | 624 | 1,156 | 836 |
| 263 | Exercise | 10 | 620 | 772 | 407 |
| 264 | Ophthalmology | 18 | 619 | 675 | 613 |
| 264 | Fluid Dynamics | 22 | 619 | 333 | 331 |
| 266 | computer networks | 15 | 615 | 1,106 | 864 |
| 267 | supercritical fluids | 10 | 614 | 167 | 104 |
| 268 | Population Genetics | 4 | 613 | 984 | 501 |
| 269 | Membranes | 20 | 609 | 657 | 783 |
| 270 | Business | 16 | 608 | 928 | 1,033 |
| 271 | Information Systems | 10 | 602 | 670 | 342 |
| 272 | Plant breeding | 13 | 594 | 266 | 168 |
| 273 | medical education | 14 | 593 | 701 | 485 |
| 274 | Biodiversity | 10 | 589 | 1,162 | 822 |
| 275 | actuators | 17 | 584 | 891 | 908 |
| 275 | transducers | 17 | 584 | 891 | 908 |
| 277 | Transnational corporations | 8 | 583 | 118 | 40 |
| 278 | Production Planning | 10 | 581 | 76 | 67 |
| 278 | Production Control | 10 | 581 | 76 | 67 |
| 280 | Organometallic chemistry | 16 | 578 | 906 | 540 |
| 281 | Clinical Pharmacology | 21 | 568 | 381 | 381 |
| 282 | Transgenic plants | 9 | 563 | 149 | 102 |
| 283 | Computer Vision | 21 | 561 | 319 | 490 |
| 283 | Lipids | 17 | 561 | 421 | 528 |
| 285 | Obesity | 11 | 555 | 891 | 799 |
| 286 | Cardiovascular diseases | 16 | 554 | 599 | 538 |
| 287 | Tourism | 9 | 547 | 909 | 736 |
| 288 | Rheumatology | 14 | 542 | 449 | 457 |
| 288 | energy conservation | 7 | 542 | 1,369 | 991 |
| 290 | Biocompatible Materials | 16 | 537 | 1,628 | 1,824 |
| 291 | Biomechanics | 10 | 535 | 639 | 484 |
| 291 | arthritis | 10 | 535 | 551 | 533 |
| 293 | Transplantation | 19 | 531 | 337 | 435 |
| 294 | Technological Innovations | 7 | 527 | 613 | 319 |
| 295 | nanoscience | 12 | 524 | 1,490 | 1,392 |
| 296 | drugs | 16 | 518 | 760 | 696 |
| 297 | Chemotherapy | 15 | 515 | 484 | 434 |
| 298 | Differential Equations | 41 | 509 | 145 | 285 |
| 298 | Autoantibodies | 11 | 509 | 207 | 192 |
| 298 | Autoimmune diseases | 11 | 509 | 235 | 211 |
| 301 | Insects | 6 | 505 | 1,030 | 419 |
| 302 | Solid State Physics | 29 | 501 | 1,446 | 1,532 |
| 303 | Immunopathology | 17 | 499 | 447 | 492 |
| 304 | Environmental Law | 5 | 493 | 810 | 634 |
| 305 | Emergency Medical Services | 16 | 488 | 156 | 110 |
| 306 | Child | 16 | 486 | 902 | 822 |
| 307 | Host-parasite interactions | 4 | 484 | 929 | 687 |
| 308 | machinery | 4 | 483 | 695 | 165 |
| 309 | Infertility | 8 | 476 | 464 | 409 |
| 309 | fertility | 8 | 476 | 507 | 438 |
| 311 | Medical Technology | 16 | 475 | 507 | 523 |
| 312 | Environmental Chemistry | 10 | 471 | 1,084 | 1,071 |
| 313 | collagen | 11 | 466 | 78 | 132 |
| 314 | Agricultural Ecology | 10 | 464 | 494 | 511 |
| 315 | Clinical Chemistry | 21 | 463 | 913 | 1,178 |
| 315 | Endocrine glands | 2 | 463 | 312 | 164 |
| 317 | Bibliometrics | 6 | 460 | 60 | 41 |
| 318 | gene therapy | 4 | 448 | 741 | 474 |
| 318 | Nonlinear systems | 7 | 448 | 355 | 152 |
| 320 | Horticulture | 13 | 443 | 274 | 164 |
| 321 | Functional Analysis | 32 | 442 | 310 | 416 |
| 321 | Genetic regulation | 10 | 442 | 492 | 524 |
| 323 | Virulence | 1 | 440 | 1,351 | 680 |
| 324 | Industrial Policy | 7 | 439 | 290 | 171 |
| 325 | Fracture mechanics | 26 | 438 | 431 | 562 |
| 326 | cell membrane | 12 | 437 | 256 | 301 |
| 327 | Biosensors | 9 | 434 | 708 | 802 |
| 327 | Bioelectronics | 9 | 434 | 593 | 721 |
| 329 | Education | 9 | 427 | 2,120 | 1,238 |
| 330 | natural disasters | 9 | 425 | 663 | 500 |
| 331 | Nonlinear functional analysis | 29 | 424 | 209 | 311 |
| 332 | Photonics | 8 | 423 | 1,173 | 974 |
| 333 | Industrial Microbiology | 12 | 422 | 879 | 979 |
| 334 | Integrated Circuits | 15 | 419 | 257 | 74 |
| 335 | Statistical physics | 22 | 412 | 1,395 | 1,480 |
| 336 | Neurons | 3 | 409 | 524 | 594 |
| 337 | Parasitology | 8 | 407 | 1,409 | 918 |
| 338 | Drug delivery systems | 1 | 406 | 2,109 | 796 |
| 339 | Engineering Geology | 11 | 399 | 706 | 637 |
| 340 | cloning | 8 | 395 | 319 | 377 |
| 341 | Allergy | 4 | 394 | 792 | 685 |
| 342 | Physical Therapy | 7 | 393 | 781 | 622 |
| 343 | Remote Sensing | 39 | 388 | 218 | 423 |
| 343 | Biogeochemistry | 6 | 388 | 736 | 628 |
| 345 | emergency management | 6 | 387 | 415 | 223 |
| 346 | Nanostructured Materials | 11 | 384 | 1,688 | 1,638 |
| 347 | Visual Perception | 20 | 373 | 518 | 644 |
| 348 | dietary supplements | 10 | 371 | 340 | 308 |
| 349 | Nuclear Engineering | 29 | 367 | 411 | 444 |
| 350 | Fishery management | 5 | 363 | 623 | 276 |
| 350 | Diagnostic Imaging | 3 | 363 | 1,650 | 765 |
| 352 | Computer Science | 23 | 358 | 565 | 630 |
| 352 | Technology | 15 | 358 | 1,664 | 1,671 |
| 352 | Documentation | 1 | 358 | 491 | 91 |
| 355 | Green Chemistry | 6 | 357 | 1,246 | 1,122 |
| 355 | drug resistance | 14 | 357 | 160 | 251 |
| 355 | Memory | 19 | 357 | 609 | 789 |
| 355 | Attention | 19 | 357 | 553 | 695 |
| 359 | United Kingdom | 11 | 355 | 687 | 722 |
| 360 | Information Retrieval | 10 | 354 | 167 | 194 |
| 360 | Radiation effects | 8 | 354 | 293 | 283 |
| 362 | Measurement | 15 | 352 | 490 | 502 |
| 363 | Wireless Communication Systems | 22 | 351 | 884 | 1,060 |
| 364 | Bipolar Disorder | 6 | 350 | 211 | 174 |
| 365 | Geology | 15 | 349 | 1,362 | 1,358 |
| 366 | Light | 1 | 348 | 1,296 | 677 |
| 367 | multimedia | 4 | 344 | 411 | 247 |
| 367 | Interactive multimedia | 4 | 344 | 476 | 254 |
| 369 | Radio | 7 | 343 | 906 | 743 |
| 370 | Industrial Engineering | 11 | 342 | 909 | 878 |
| 370 | Agriculture | 11 | 342 | 1,008 | 964 |
| 372 | innovation | 5 | 338 | 455 | 461 |
| 373 | Heat Exchangers | 21 | 335 | 360 | 723 |
| 374 | Polymers | 16 | 333 | 2,101 | 2,135 |
| 375 | hygiene | 7 | 332 | 236 | 140 |
| 376 | Engineering Mathematics | 27 | 330 | 488 | 674 |
| 377 | Neurobiology | 18 | 328 | 647 | 976 |
| 378 | Land use | 6 | 326 | 768 | 553 |
| 379 | Neurochemistry | 11 | 324 | 1,153 | 1,211 |
| 380 | Logic Programming | 28 | 321 | 28 | 56 |
| 381 | Neurosurgery | 5 | 317 | 672 | 467 |
| 382 | concrete | 4 | 316 | 815 | 650 |
| 382 | Cement | 4 | 316 | 489 | 438 |
| 382 | Forest genetics | 8 | 316 | 102 | 55 |
| 385 | Immunochemistry | 8 | 315 | 511 | 379 |
| 385 | Parasites | 6 | 315 | 1,113 | 675 |
| 387 | Biometrics | 16 | 311 | 408 | 463 |
| 387 | Pregnancy | 6 | 311 | 525 | 310 |
| 389 | drug evaluation | 11 | 310 | 569 | 563 |
| 390 | Strategic planning | 11 | 309 | 273 | 347 |
| 391 | Ceramics | 3 | 308 | 1,470 | 610 |
| 391 | Animal breeding | 15 | 308 | 309 | 346 |
| 391 | DNA repair | 7 | 308 | 130 | 122 |
| 391 | Glass | 3 | 308 | 1,048 | 510 |
| 391 | pottery | 3 | 308 | 992 | 505 |
| 396 | Entrepreneurship | 12 | 307 | 369 | 683 |
| 397 | food contamination | 9 | 306 | 451 | 297 |
| 397 | Digestive system diseases | 11 | 306 | 424 | 435 |
| 399 | Adolescent | 6 | 305 | 1,370 | 945 |
| 400 | Geriatrics | 16 | 301 | 1,113 | 1,242 |
| 401 | Information Theory | 30 | 300 | 341 | 675 |
| 402 | Animal genetics | 8 | 298 | 315 | 262 |
| 403 | Virology | 13 | 297 | 1,204 | 1,720 |
| 404 | Histology | 17 | 296 | 719 | 976 |
| 405 | Renewable Energy Sources | 12 | 295 | 1,374 | 2,067 |
| 405 | Sexual health | 5 | 295 | 492 | 264 |
| 407 | Child Development | 15 | 293 | 775 | 1,020 |
| 408 | Australia | 10 | 290 | 902 | 691 |
| 409 | Photogrammetry | 36 | 288 | 106 | 102 |
| 410 | Social behavior | 7 | 285 | 737 | 669 |
| 411 | Environmental Geology | 10 | 284 | 859 | 893 |
| 412 | Medical innovations | 5 | 283 | 625 | 765 |
| 413 | disease outbreaks | 11 | 282 | 213 | 289 |
| 413 | Epidemics | 11 | 282 | 200 | 286 |
| 415 | Extracellular matrix | 10 | 278 | 79 | 171 |
| 415 | biological evolution | 10 | 278 | 1,037 | 1,331 |
| 417 | animal diseases | 4 | 274 | 417 | 195 |
| 418 | Small Business | 8 | 273 | 422 | 659 |
| 419 | Systems Biology | 7 | 272 | 896 | 772 |
| 420 | elasticity | 18 | 270 | 39 | 77 |
| 420 | Planets | 9 | 270 | 846 | 1,000 |
| 422 | Scheduling | 10 | 269 | 29 | 40 |
| 422 | Production Scheduling | 10 | 269 | 29 | 40 |
| 424 | energy resources | 9 | 267 | 744 | 1,141 |
| 425 | Computational Complexity | 33 | 258 | 92 | 288 |
| 426 | Developmental Disabilities | 8 | 254 | 541 | 599 |
| 427 | Public Policy | 6 | 253 | 1,165 | 935 |
| 428 | Medical Oncology | 11 | 251 | 745 | 921 |
| 428 | Public Administration | 8 | 251 | 809 | 638 |
| 428 | Rheology | 7 | 251 | 330 | 266 |
| 428 | Geodynamics | 13 | 251 | 410 | 569 |
| 432 | Composite Materials | 14 | 250 | 1,284 | 1,773 |
| 432 | Tropical Medicine | 16 | 250 | 646 | 787 |
| 432 | Yeast | 4 | 250 | 341 | 249 |
| 435 | Fiber Optics | 5 | 249 | 714 | 442 |
| 436 | Water | 12 | 248 | 1,202 | 1,763 |
| 437 | Preoperative Care | 1 | 245 | 158 | 16 |
| 437 | perioperative care | 1 | 245 | 158 | 15 |
| 439 | pain | 8 | 244 | 718 | 799 |
| 440 | Evolution | 7 | 243 | 1,142 | 1,137 |
| 441 | Histochemistry | 17 | 242 | 348 | 524 |
| 442 | Geography | 9 | 241 | 1,150 | 1,156 |
| 442 | Bones | 5 | 241 | 519 | 528 |
| 444 | Logic | 14 | 240 | 151 | 126 |
| 444 | Physical Chemistry | 10 | 240 | 1,253 | 1,309 |
| 444 | Environmentalism | 1 | 240 | 297 | 96 |
| 447 | Total Quality Management | 7 | 239 | 228 | 187 |
| 448 | Medical Physics | 6 | 237 | 1,043 | 914 |
| 449 | Embryology | 6 | 236 | 944 | 942 |
| 450 | Forest Ecology | 4 | 233 | 854 | 665 |
| 451 | Systems Analysis | 6 | 232 | 792 | 532 |
| 451 | Bacteria | 1 | 232 | 548 | 289 |
| 453 | Regional Planning | 15 | 231 | 634 | 829 |
| 453 | technology transfer | 3 | 231 | 251 | 137 |
| 455 | Microcirculation | 4 | 230 | 375 | 248 |
| 456 | Pediatric Neurology | 6 | 229 | 555 | 709 |
| 456 | analysis | 5 | 229 | 285 | 249 |
| 458 | Medical Ethics | 9 | 227 | 591 | 440 |
| 459 | Quantum electronics | 11 | 225 | 829 | 799 |
| 460 | Economic History | 14 | 224 | 1,544 | 1,550 |
| 461 | Linguistics | 12 | 223 | 656 | 607 |
| 461 | Bioethics | 8 | 223 | 536 | 371 |
| 461 | carbon monoxide | 3 | 223 | 333 | 233 |
| 464 | Building Materials | 7 | 222 | 1,183 | 1,399 |
| 465 | Social welfare | 3 | 221 | 568 | 244 |
| 465 | Social work | 3 | 221 | 1,301 | 604 |
| 467 | histological techniques | 8 | 219 | 367 | 499 |
| 468 | Forest Management | 3 | 218 | 939 | 652 |
| 469 | Mobile Computing | 12 | 217 | 466 | 602 |
| 469 | Clinical Immunology | 11 | 217 | 497 | 652 |
| 471 | Microorganisms | 2 | 216 | 1,194 | 811 |
| 472 | vitamin C | 5 | 212 | 256 | 275 |
| 472 | vitamin E | 5 | 212 | 256 | 275 |
| 474 | Formal Languages | 20 | 210 | 30 | 37 |
| 475 | nursing ethics | 7 | 209 | 100 | 116 |
| 476 | Biological Systems | 11 | 208 | 148 | 290 |
| 476 | lasers | 10 | 208 | 1,232 | 1,135 |
| 478 | Calculus of Variations | 18 | 206 | 146 | 222 |
| 479 | epilepsy | 9 | 202 | 460 | 488 |
| 480 | Radiology | 5 | 200 | 941 | 625 |
| 480 | Molecular cloning | 6 | 200 | 968 | 856 |
| 480 | Genetic recombination | 6 | 200 | 952 | 849 |
| 480 | Molecular evolution | 2 | 200 | 1,696 | 1,080 |
| 480 | Recombinant DNA | 6 | 200 | 1,013 | 902 |
| 485 | X-rays | 4 | 199 | 447 | 188 |
| 485 | probabilities | 12 | 199 | 698 | 582 |
| 487 | Investment analysis | 4 | 196 | 842 | 508 |
| 488 | Eating Disorders | 7 | 195 | 501 | 525 |
| 488 | Feeding and Eating Disorders | 7 | 195 | 482 | 497 |
| 488 | Metallography | 11 | 195 | 351 | 476 |
| 491 | Pharmacogenetics | 9 | 194 | 434 | 605 |
| 492 | economic policy | 9 | 193 | 1,393 | 1,131 |
| 492 | disease vectors | 3 | 193 | 935 | 636 |
| 492 | Muscles | 6 | 193 | 529 | 605 |
| 495 | Social Psychology | 5 | 192 | 1,676 | 1,453 |
| 495 | Enteral nutrition | 9 | 192 | 384 | 601 |
| 495 | Parenteral nutrition | 9 | 192 | 466 | 685 |
| 498 | Health | 6 | 191 | 1,389 | 1,211 |
| 498 | Blood vessels | 2 | 191 | 465 | 215 |
| 500 | Dynamics | 11 | 189 | 847 | 800 |
| 500 | Viticulture | 9 | 189 | 33 | 55 |
| 502 | Mitochondria | 7 | 188 | 83 | 182 |
| 503 | Growth | 3 | 185 | 942 | 941 |
| 504 | Logistics | 3 | 184 | 571 | 445 |
| 504 | Nuclear Fusion | 22 | 184 | 169 | 286 |
| 506 | Ecological Engineering | 4 | 182 | 535 | 553 |
| 506 | Rock Mechanics | 5 | 182 | 701 | 634 |
| 506 | anesthesia | 7 | 182 | 273 | 145 |
| 509 | Mites | 6 | 181 | 249 | 149 |
| 510 | Agricultural Engineering | 4 | 180 | 361 | 268 |
| 510 | Ceramic materials | 9 | 180 | 749 | 841 |
| 512 | Biomass Energy | 6 | 179 | 1,741 | 2,002 |
| 513 | Computational Fluid Dynamics | 12 | 178 | 243 | 383 |
| 513 | cryosphere | 4 | 178 | 304 | 281 |
| 515 | Production Engineering | 12 | 177 | 943 | 1,137 |
| 515 | Transportation | 4 | 177 | 1,376 | 1,088 |
| 517 | Health Policy | 8 | 176 | 1,207 | 1,244 |
| 518 | Sustainable Engineering | 4 | 175 | 1,429 | 1,307 |
| 519 | Sociology | 8 | 174 | 1,826 | 1,791 |
| 519 | Acarology | 5 | 174 | 178 | 129 |
| 519 | Ticks | 5 | 174 | 176 | 129 |
| 519 | Acari | 5 | 174 | 175 | 129 |
| 523 | Nonlinear Dynamics | 13 | 172 | 1,025 | 1,243 |
| 524 | Social Sciences | 8 | 170 | 2,154 | 1,838 |
| 524 | Superconductors | 21 | 170 | 318 | 436 |
| 524 | local government | 1 | 170 | 621 | 231 |
| 524 | Sedimentary rocks | 3 | 170 | 630 | 445 |
| 524 | Aging | 11 | 170 | 1,267 | 1,550 |
| 529 | Energy Conversion | 5 | 169 | 952 | 1,166 |
| 529 | Municipal Engineering | 5 | 169 | 192 | 173 |
| 529 | Waste management | 5 | 169 | 1,088 | 791 |
| 532 | Animal Nutrition | 9 | 166 | 276 | 336 |
| 533 | crops | 4 | 165 | 87 | 31 |
| 534 | cytokines | 6 | 162 | 758 | 928 |
| 535 | Environmental Microbiology | 4 | 161 | 1,123 | 1,231 |
| 535 | Veterinary Immunology | 7 | 161 | 183 | 211 |
| 537 | Archaeology | 7 | 160 | 844 | 745 |
| 537 | Soil dynamics | 8 | 160 | 263 | 354 |
| 537 | Cellulose | 2 | 160 | 801 | 459 |
| 540 | Immunotherapy | 10 | 159 | 850 | 1,300 |
| 540 | rehabilitation | 5 | 159 | 1,560 | 1,419 |
| 542 | Water quality management | 4 | 157 | 1,571 | 1,139 |
| 542 | Detectors | 10 | 157 | 794 | 1,039 |
| 544 | Community Psychiatry | 5 | 156 | 654 | 704 |
| 544 | commerce | 9 | 156 | 858 | 1,065 |
| 544 | DNA polymerases | 1 | 156 | 586 | 557 |
| 547 | Nanostructures | 2 | 155 | 2,224 | 1,550 |
| 548 | Econometrics | 11 | 153 | 713 | 795 |
| 548 | Primary health care | 10 | 153 | 816 | 1,084 |
| 548 | Asia | 4 | 153 | 2,493 | 1,528 |
| 551 | Database Management | 14 | 152 | 306 | 551 |
| 552 | Organic Chemistry | 11 | 151 | 1,768 | 2,115 |
| 552 | Proteome | 8 | 151 | 644 | 908 |
| 552 | plant viruses | 2 | 151 | 254 | 188 |
| 552 | Earth Sciences | 8 | 151 | 2,019 | 2,188 |
| 556 | Oxidative stress | 3 | 149 | 810 | 960 |
| 556 | Computer-Aided Design | 16 | 149 | 408 | 796 |
| 556 | Corporate governance | 10 | 149 | 178 | 493 |
| 559 | Hydraulic Engineering | 6 | 148 | 599 | 583 |
| 560 | Insect biochemistry | 4 | 146 | 363 | 383 |
| 561 | Sarcopenia | 4 | 145 | 301 | 430 |
| 562 | Industrial Organization | 3 | 144 | 337 | 219 |
| 562 | Animal Physiology | 2 | 144 | 178 | 136 |
| 562 | Natural selection | 2 | 144 | 178 | 136 |
| 562 | marketing | 7 | 144 | 1,301 | 1,524 |
| 562 | Microscopy | 11 | 144 | 634 | 799 |
| 562 | genetic selection | 2 | 144 | 178 | 136 |
| 568 | fusion reactors | 19 | 143 | 117 | 166 |
| 569 | Regional Economics | 3 | 142 | 471 | 314 |
| 569 | Fermentation | 4 | 142 | 174 | 123 |
| 569 | Europa | 3 | 142 | 513 | 392 |
| 572 | Information Technology | 9 | 140 | 1,404 | 1,776 |
| 572 | Atomic spectroscopy | 9 | 140 | 650 | 732 |
| 574 | Pharmaceutical Technology | 4 | 139 | 1,296 | 1,218 |
| 574 | Hematopoietic stem cell transplantation | 3 | 139 | 391 | 384 |
| 574 | alcoholism | 5 | 139 | 985 | 1,000 |
| 577 | Otolaryngology | 3 | 137 | 471 | 335 |
| 577 | Quantum Optics | 8 | 137 | 534 | 549 |
| 577 | Laser Spectroscopy | 8 | 137 | 486 | 505 |
| 580 | organizational effectiveness | 9 | 136 | 154 | 285 |
| 581 | Environmental Toxicology | 3 | 135 | 2,292 | 2,159 |
| 581 | Neural circuitry | 9 | 135 | 1,188 | 1,760 |
| 583 | Nephrology | 2 | 134 | 529 | 481 |
| 583 | Molecular structure | 9 | 134 | 1,445 | 1,641 |
| 583 | Kidney diseases | 2 | 134 | 922 | 638 |
| 586 | foods | 6 | 129 | 49 | 73 |
| 586 | Nitric oxide | 3 | 129 | 244 | 232 |
| 588 | software | 7 | 127 | 621 | 946 |
| 589 | Genetic therapy | 5 | 126 | 699 | 838 |
| 590 | Analytical Biochemistry | 6 | 125 | 1,202 | 1,265 |
| 591 | Psychoneuroimmunology | 3 | 123 | 548 | 654 |
| 591 | Neuroimmunology | 3 | 123 | 604 | 704 |
| 593 | Solitons | 12 | 121 | 476 | 918 |
| 593 | Fractals | 12 | 121 | 481 | 923 |
| 593 | Chaos | 12 | 121 | 476 | 918 |
| 593 | peptides | 7 | 121 | 427 | 497 |
| 593 | Budget | 4 | 121 | 117 | 52 |
| 598 | Nanoelectronics | 9 | 120 | 406 | 436 |
| 598 | Semiconductor industry | 9 | 120 | 283 | 342 |
| 600 | fuel cells | 5 | 119 | 970 | 1,216 |
| 600 | Optical materials | 3 | 119 | 2,352 | 2,207 |
| 602 | Erectile dysfunction | 3 | 118 | 232 | 168 |
| 602 | Combustion | 10 | 118 | 655 | 1,006 |
| 602 | Synthetic biology | 3 | 118 | 309 | 277 |
| 602 | Communication | 10 | 118 | 1,103 | 1,578 |
| 602 | Information society | 3 | 118 | 123 | 90 |
| 607 | Catalysts | 4 | 117 | 608 | 522 |
| 608 | Product life cycle | 1 | 116 | 552 | 295 |
| 608 | green products | 1 | 116 | 467 | 290 |
| 610 | Informatics | 7 | 114 | 516 | 723 |
| 611 | Pharmacy | 3 | 113 | 1,836 | 1,634 |
| 611 | Randomized Controlled Trials | 3 | 113 | 906 | 590 |
| 611 | Calorimetry | 13 | 113 | 465 | 876 |
| 611 | biological factors | 2 | 113 | 2,131 | 1,545 |
| 611 | Thermal analysis | 13 | 113 | 465 | 876 |
| 616 | Cognitive Therapy | 6 | 112 | 393 | 500 |
| 617 | Electromagnetism | 8 | 111 | 604 | 757 |
| 617 | Corporate Social Responsibility | 6 | 111 | 113 | 451 |
| 617 | environmental auditing | 6 | 111 | 119 | 454 |
| 620 | Amyotrophic Lateral Sclerosis | 4 | 110 | 168 | 211 |
| 620 | Combinatorial chemistry | 1 | 110 | 1,102 | 760 |
| 620 | Simulation Methods | 6 | 110 | 650 | 755 |
| 620 | Raman spectroscopy | 1 | 110 | 1,318 | 663 |
| 620 | Infrared spectroscopy | 1 | 110 | 690 | 229 |
| 620 | biomedicine | 3 | 110 | 484 | 532 |
| 626 | Software Engineering | 10 | 109 | 516 | 780 |
| 626 | Psychometrics | 9 | 109 | 244 | 378 |
| 626 | Echocardiography | 2 | 109 | 118 | 59 |
| 626 | ethanol | 4 | 109 | 415 | 387 |
| 626 | Population | 6 | 109 | 590 | 791 |
| 631 | international trade | 4 | 108 | 639 | 542 |
| 631 | Ultrasonic Imaging | 5 | 108 | 366 | 411 |
| 633 | Microbial Genetics | 2 | 107 | 432 | 340 |
| 633 | phytopathogenic bacteria | 2 | 107 | 294 | 305 |
| 635 | Mechatronics | 5 | 106 | 682 | 811 |
| 635 | Serology | 3 | 106 | 487 | 392 |
| 637 | Language Disorders | 2 | 105 | 924 | 641 |
| 637 | Demography | 6 | 105 | 423 | 584 |
| 637 | Psychosomatic Medicine | 2 | 105 | 831 | 714 |
| 637 | Synaptic Transmission | 3 | 105 | 431 | 440 |
| 637 | Cerebellum | 6 | 105 | 151 | 271 |
| 637 | Cytokine | 4 | 105 | 300 | 453 |
| 637 | Recycling | 3 | 105 | 602 | 954 |
| 637 | Vaccines | 8 | 105 | 914 | 1,308 |
| 637 | Cerebellar ataxia | 6 | 105 | 150 | 271 |
| 646 | Marine Biology | 3 | 103 | 2,253 | 2,075 |
| 646 | Comparative Physiology | 4 | 103 | 663 | 727 |
| 646 | Respiratory system | 4 | 103 | 445 | 529 |
| 646 | nuclear magnetic resonance spectroscopy | 12 | 103 | 313 | 489 |
| 646 | corporate culture | 8 | 103 | 39 | 200 |
| 651 | Semantics | 4 | 101 | 179 | 142 |
| 651 | Natural resources | 5 | 101 | 559 | 765 |
| 651 | nuclear magnetic resonance | 12 | 101 | 494 | 706 |
| 651 | Turbulence | 7 | 101 | 128 | 175 |
| 655 | Orthopedics | 6 | 100 | 930 | 1,059 |
| 655 | Hydrodynamics | 4 | 100 | 503 | 562 |
| 655 | Radio waves | 4 | 100 | 729 | 791 |
| 658 | Health Services Research | 6 | 99 | 1,027 | 1,281 |
| 658 | Orthopedic Surgery | 5 | 99 | 548 | 586 |
| 658 | Aerosols | 2 | 99 | 630 | 447 |
| 661 | Educational Technology | 3 | 98 | 1,665 | 1,454 |
| 661 | Genes | 5 | 98 | 804 | 967 |
| 663 | Thin Films | 6 | 97 | 304 | 329 |
| 664 | Computational Linguistics | 2 | 96 | 748 | 266 |
| 664 | wildlife diseases | 2 | 96 | 215 | 65 |
| 666 | Photochemistry | 6 | 95 | 1,200 | 1,517 |
| 666 | Photobiology | 6 | 95 | 946 | 1,258 |
| 666 | Psychiatric Epidemiology | 3 | 95 | 451 | 544 |
| 669 | Lung Transplantation | 3 | 94 | 311 | 330 |
| 669 | Frontotemporal lobar degeneration | 3 | 94 | 168 | 159 |
| 669 | Heart transplantation | 3 | 94 | 311 | 330 |
| 669 | Plant hormones | 1 | 94 | 599 | 363 |
| 673 | Comparative Psychology | 2 | 93 | 158 | 182 |
| 673 | Water Microbiology | 2 | 93 | 592 | 446 |
| 673 | feeding behavior | 3 | 93 | 697 | 764 |
| 673 | Appetite | 3 | 93 | 618 | 701 |
| 677 | Food Safety | 3 | 92 | 250 | 202 |
| 678 | biofuels | 2 | 91 | 326 | 480 |
| 678 | Plant tissue culture | 3 | 91 | 708 | 701 |
| 678 | Plant cell culture | 3 | 91 | 622 | 693 |
| 681 | Food texture | 2 | 90 | 223 | 163 |
| 681 | Elderly | 5 | 90 | 884 | 634 |
| 681 | older people | 5 | 90 | 1,154 | 1,013 |
| 684 | Imaging systems | 12 | 89 | 242 | 486 |
| 685 | Zoology | 10 | 88 | 1,447 | 1,837 |
| 685 | Ichthyology | 3 | 88 | 489 | 294 |
| 685 | Combinatorial analysis | 7 | 88 | 677 | 608 |
| 685 | Fisheries | 3 | 88 | 1,508 | 1,308 |
| 685 | Fish | 3 | 88 | 381 | 259 |
| 690 | Economic Development | 3 | 87 | 1,522 | 1,521 |
| 690 | polymerization | 9 | 87 | 2,279 | 2,858 |
| 690 | biological invasions | 2 | 87 | 752 | 645 |
| 693 | Game Theory | 12 | 86 | 222 | 446 |
| 693 | Geochemistry | 6 | 86 | 1,351 | 1,760 |
| 693 | Boundary Value Problems | 6 | 86 | 524 | 611 |
| 693 | catalytic activity | 1 | 86 | 993 | 750 |
| 697 | Antibodies | 3 | 85 | 516 | 508 |
| 697 | Antigens | 3 | 85 | 661 | 644 |
| 697 | Bone diseases | 1 | 85 | 738 | 544 |
| 700 | Drug design | 5 | 84 | 1,118 | 1,462 |
| 700 | Fertilizers | 2 | 84 | 425 | 379 |
| 702 | Structuralism | 1 | 83 | 290 | 232 |
| 702 | Social Networks | 1 | 83 | 661 | 328 |
| 702 | Microbial Biotechnology | 4 | 83 | 865 | 1,082 |
| 702 | Interfaces | 3 | 83 | 322 | 263 |
| 702 | ecosystem | 2 | 83 | 1,465 | 1,451 |
| 702 | cell interaction | 2 | 83 | 1,119 | 1,100 |
| 708 | Veterinary Pathology | 4 | 82 | 313 | 268 |
| 709 | Sedimentology | 4 | 81 | 519 | 648 |
| 709 | Histocompatibility Testing | 3 | 81 | 447 | 409 |
| 709 | Learning | 1 | 81 | 1,742 | 1,189 |
| 709 | aerosol | 1 | 81 | 607 | 371 |
| 713 | Computer Engineering | 2 | 80 | 1,257 | 861 |
| 713 | Clinical Biochemistry | 5 | 80 | 802 | 992 |
| 713 | Mycology | 7 | 80 | 981 | 1,446 |
| 713 | Consumer education | 1 | 80 | 736 | 476 |
| 713 | Biomass | 2 | 80 | 875 | 918 |
| 718 | Heart Failure | 1 | 79 | 519 | 455 |
| 718 | Respiratory Infections | 2 | 79 | 380 | 311 |
| 718 | Influenza | 2 | 79 | 282 | 239 |
| 721 | Antenna Arrays | 5 | 78 | 404 | 573 |
| 722 | Plant Genetics | 4 | 77 | 559 | 855 |
| 722 | Quality Management | 1 | 77 | 379 | 118 |
| 722 | Infection control | 3 | 77 | 300 | 392 |
| 725 | Consciousness | 3 | 76 | 489 | 466 |
| 726 | Food Preservation | 6 | 75 | 530 | 668 |
| 726 | Algorithms | 11 | 75 | 290 | 595 |
| 726 | Radiobiology | 3 | 75 | 1,034 | 1,074 |
| 726 | China | 6 | 75 | 1,991 | 2,505 |
| 726 | Brain damage | 3 | 75 | 359 | 410 |
| 731 | Energy Storage | 4 | 74 | 1,126 | 1,329 |
| 731 | Fungi | 5 | 74 | 755 | 1,099 |
| 731 | Emotions | 2 | 74 | 692 | 735 |
| 734 | Thermodynamics | 5 | 73 | 1,003 | 934 |
| 734 | Lattice Theory | 3 | 73 | 207 | 77 |
| 734 | Interferons | 3 | 73 | 260 | 301 |
| 734 | Wildlife management | 4 | 73 | 494 | 497 |
| 738 | Tribology | 1 | 72 | 1,597 | 1,091 |
| 738 | Industrial Safety | 5 | 72 | 903 | 1,157 |
| 738 | Inflammation | 2 | 72 | 1,190 | 1,296 |
| 738 | disabilities | 1 | 72 | 1,094 | 672 |
| 742 | Biopharmaceutics | 5 | 71 | 787 | 1,177 |
| 743 | Cellular senescence | 2 | 70 | 398 | 723 |
| 743 | Immune system | 2 | 70 | 954 | 1,063 |
| 745 | Asthma | 1 | 69 | 976 | 570 |
| 745 | Forensic Pathology | 10 | 69 | 42 | 113 |
| 745 | Sites | 2 | 69 | 637 | 694 |
| 748 | Volcanoes | 5 | 68 | 210 | 359 |
| 749 | Antiviral agents | 3 | 67 | 247 | 297 |
| 749 | Vision | 3 | 67 | 618 | 725 |
| 749 | synthesis | 6 | 67 | 780 | 868 |
| 752 | Mineralogy | 2 | 66 | 1,450 | 1,217 |
| 752 | Petrology | 2 | 66 | 981 | 969 |
| 752 | Forecasting | 3 | 66 | 548 | 575 |
| 752 | micromechanics | 3 | 66 | 607 | 651 |
| 752 | Nanoparticles | 2 | 66 | 2,112 | 1,975 |
| 752 | Social policy | 4 | 66 | 896 | 945 |
| 752 | city planning | 6 | 66 | 1,101 | 1,591 |
| 759 | Paleontology | 3 | 65 | 1,238 | 1,153 |
| 759 | Restoration Ecology | 3 | 65 | 422 | 510 |
| 759 | Globalization | 2 | 65 | 738 | 617 |
| 759 | Continuum Mechanics | 2 | 65 | 224 | 149 |
| 759 | insurance | 8 | 65 | 189 | 364 |
| 759 | carcinogens | 1 | 65 | 1,347 | 1,053 |
| 759 | mammals | 6 | 65 | 680 | 942 |
| 766 | pain management | 2 | 64 | 667 | 602 |
| 766 | Metals | 3 | 64 | 1,933 | 1,898 |
| 768 | Andrology | 1 | 63 | 868 | 612 |
| 768 | Geriatric Pharmacology | 3 | 63 | 260 | 332 |
| 768 | Optical Communications | 3 | 63 | 819 | 758 |
| 768 | Long-Term Care | 2 | 63 | 597 | 662 |
| 768 | Long-term care facilities | 2 | 63 | 590 | 657 |
| 768 | Chemical analysis | 2 | 63 | 1,319 | 1,279 |
| 768 | Microwaves | 6 | 63 | 956 | 1,096 |
| 775 | Telecommunication Systems | 3 | 62 | 1,640 | 1,492 |
| 776 | Actuarial Science | 7 | 61 | 139 | 256 |
| 777 | Plate Tectonics | 2 | 60 | 365 | 319 |
| 777 | Parallel Processing | 3 | 60 | 441 | 592 |
| 777 | Magnetic Materials | 4 | 60 | 1,348 | 1,541 |
| 777 | global environmental change | 2 | 60 | 972 | 1,145 |
| 777 | brain mapping | 3 | 60 | 568 | 798 |
| 782 | Menopause | 2 | 59 | 369 | 370 |
| 783 | Pharmacogenomics | 3 | 58 | 264 | 388 |
| 783 | Molecules | 9 | 58 | 917 | 1,303 |
| 783 | Ethnology | 2 | 58 | 1,749 | 1,245 |
| 783 | Bacterial infections | 1 | 58 | 1,184 | 1,056 |
| 787 | Molecular Microbiology | 1 | 57 | 1,142 | 1,124 |
| 787 | Geodesy | 2 | 57 | 968 | 836 |
| 787 | Lymphoma | 6 | 57 | 190 | 267 |
| 787 | health planning | 5 | 57 | 1,724 | 2,192 |
| 787 | planning | 4 | 57 | 637 | 831 |
| 792 | Surface-Active Agents | 5 | 56 | 854 | 1,597 |
| 792 | Structural biology | 3 | 56 | 41 | 136 |
| 792 | Translation | 2 | 56 | 213 | 86 |
| 792 | Surface properties | 5 | 56 | 903 | 1,644 |
| 792 | Safety management | 4 | 56 | 477 | 568 |
| 792 | Investments | 5 | 56 | 337 | 553 |
| 798 | Visual Communication | 3 | 55 | 450 | 459 |
| 798 | Depression | 2 | 55 | 409 | 616 |
| 798 | Image enhancement | 3 | 55 | 350 | 419 |
| 798 | Anxiety Disorders | 2 | 55 | 591 | 790 |
| 798 | Anxiety | 2 | 55 | 588 | 784 |
| 798 | Protective coatings | 2 | 55 | 226 | 116 |
| 798 | pollutants | 4 | 55 | 1,619 | 2,447 |
| 798 | Environmental pollutants | 4 | 55 | 1,910 | 2,719 |
| 798 | Physical fitness | 4 | 55 | 900 | 1,221 |
| 798 | environmental exposure | 4 | 55 | 1,662 | 2,390 |
| 798 | rare diseases | 2 | 55 | 662 | 659 |
| 798 | energy development | 3 | 55 | 843 | 1,201 |
| 810 | Nanochemistry | 2 | 54 | 1,537 | 1,522 |
| 810 | Virtual reality | 7 | 54 | 193 | 512 |
| 810 | Expert Systems | 3 | 54 | 182 | 228 |
| 810 | Medical Anthropology | 2 | 54 | 1,357 | 1,596 |
| 810 | exobiology | 5 | 54 | 187 | 440 |
| 810 | questioning | 2 | 54 | 69 | 43 |
| 810 | Japan | 5 | 54 | 1,393 | 1,706 |
| 810 | Cell metabolism | 1 | 54 | 1,017 | 1,041 |
| 818 | Organizational change | 3 | 52 | 755 | 879 |
| 818 | environmental indicators | 4 | 52 | 1,001 | 1,694 |
| 818 | violence | 1 | 52 | 1,495 | 1,150 |
| 818 | sex crimes | 1 | 52 | 1,024 | 775 |
| 818 | eugenics | 3 | 52 | 536 | 652 |
| 823 | Morphology | 3 | 51 | 909 | 822 |
| 823 | Plant Morphology | 2 | 51 | 767 | 692 |
| 823 | economic forecasting | 1 | 51 | 599 | 467 |
| 823 | Wildlife conservation | 5 | 51 | 831 | 1,464 |
| 823 | Artificial Organs | 7 | 51 | 359 | 563 |
| 823 | Developing countries | 3 | 51 | 2,229 | 2,430 |
| 823 | environmental issues | 1 | 51 | 801 | 664 |
| 830 | Agronomy | 2 | 50 | 536 | 724 |
| 830 | Smart Materials | 6 | 50 | 634 | 1,079 |
| 830 | Animal ecology | 5 | 50 | 884 | 1,263 |
| 830 | Substance Abuse | 1 | 50 | 1,870 | 1,426 |
| 830 | organization | 3 | 50 | 814 | 1,102 |
| 830 | Steroids | 1 | 50 | 1,293 | 1,039 |
| 836 | Taste | 3 | 49 | 292 | 409 |
| 836 | smell | 3 | 49 | 292 | 409 |
| 836 | food industry | 3 | 49 | 788 | 931 |
| 836 | liver | 2 | 49 | 356 | 380 |
| 840 | Multiple Myeloma | 5 | 48 | 218 | 290 |
| 840 | Neuromuscular diseases | 2 | 48 | 630 | 697 |
| 840 | cell adhesion molecules | 1 | 48 | 387 | 498 |
| 840 | Cell communication | 1 | 48 | 937 | 951 |
| 844 | Neonatology | 2 | 47 | 697 | 704 |
| 844 | air quality management | 1 | 47 | 983 | 804 |
| 844 | Group theory | 5 | 47 | 23 | 10 |
| 844 | cooperation | 3 | 47 | 126 | 110 |
| 844 | Gene expression regulation | 2 | 47 | 1,057 | 1,128 |
| 844 | Freeze-Drying | 1 | 47 | 673 | 495 |
| 844 | Hypothermia | 1 | 47 | 673 | 495 |
| 844 | Freeze Drying | 1 | 47 | 673 | 495 |
| 844 | personality | 2 | 47 | 1,662 | 1,816 |
| 844 | Capital market | 2 | 47 | 580 | 662 |
| 844 | Industry | 1 | 47 | 443 | 579 |
| 844 | Growth factors | 3 | 47 | 234 | 557 |
| 856 | Agricultural Science | 1 | 46 | 401 | 425 |
| 856 | Water pollution | 1 | 46 | 3,334 | 3,065 |
| 856 | Flexible manufacturing systems | 3 | 46 | 399 | 632 |
| 856 | Wind power | 2 | 46 | 379 | 345 |
| 856 | Autism | 2 | 46 | 755 | 964 |
| 861 | Mass Media | 8 | 45 | 447 | 636 |
| 862 | Hydrogeology | 3 | 44 | 704 | 945 |
| 862 | Radiation | 3 | 44 | 2,054 | 2,133 |
| 862 | plasticity | 1 | 44 | 518 | 611 |
| 862 | Plastics | 1 | 44 | 2,353 | 1,846 |
| 862 | brewing | 2 | 44 | 241 | 220 |
| 862 | World Wide Web | 5 | 44 | 243 | 421 |
| 862 | Economic planning | 2 | 44 | 674 | 784 |
| 869 | Biogeography | 2 | 43 | 1,105 | 1,410 |
| 869 | Ethics | 4 | 43 | 790 | 1,015 |
| 869 | Middle East | 2 | 43 | 1,296 | 987 |
| 869 | drug development | 1 | 43 | 1,333 | 1,359 |
| 873 | Philosophy | 8 | 42 | 1,005 | 1,004 |
| 873 | Cartography | 3 | 42 | 451 | 468 |
| 873 | Venture Capital | 1 | 42 | 502 | 595 |
| 873 | Magnetic Resonance Spectroscopy | 6 | 42 | 798 | 1,091 |
| 873 | particles | 5 | 42 | 760 | 1,362 |
| 873 | place marketing | 1 | 42 | 244 | 306 |
| 879 | Microbial Metabolism | 1 | 41 | 418 | 475 |
| 879 | DNS | 1 | 41 | 819 | 714 |
| 881 | Geriatric Nursing | 4 | 40 | 433 | 578 |
| 881 | Structural design | 5 | 40 | 637 | 1,064 |
| 881 | Palliative Care | 2 | 40 | 909 | 890 |
| 881 | Music | 4 | 40 | 752 | 854 |
| 881 | Metallurgy | 6 | 40 | 1,588 | 2,159 |
| 881 | monitoring | 4 | 40 | 205 | 316 |
| 881 | Paleopathology | 4 | 40 | 256 | 344 |
| 881 | internet | 5 | 40 | 1,220 | 1,968 |
| 889 | Climatology | 2 | 39 | 1,916 | 2,113 |
| 889 | Chemical Ecology | 3 | 39 | 511 | 835 |
| 889 | bioclimatology | 2 | 39 | 1,182 | 1,345 |
| 889 | touch | 4 | 39 | 85 | 185 |
| 889 | pheromones | 3 | 39 | 465 | 804 |
| 889 | dissociative disorders | 1 | 39 | 229 | 207 |
| 889 | Post-traumatic stress disorder | 1 | 39 | 1,166 | 1,031 |
| 889 | mathematical concepts | 4 | 39 | 338 | 455 |
| 897 | Oceanography | 1 | 38 | 2,107 | 1,900 |
| 897 | Intelligent Transportation Systems | 1 | 38 | 1,636 | 1,553 |
| 897 | freshwater biology | 1 | 38 | 1,448 | 1,244 |
| 900 | Clinical Psychology | 1 | 37 | 1,603 | 1,481 |
| 900 | Geometry | 9 | 37 | 695 | 999 |
| 900 | Nondestructive testing | 2 | 37 | 837 | 867 |
| 900 | Highway Engineering | 1 | 37 | 647 | 552 |
| 900 | sanitation | 1 | 37 | 1,983 | 2,245 |
| 900 | microwave antennas | 2 | 37 | 494 | 431 |
| 900 | Radio wave propagation | 2 | 37 | 856 | 806 |
| 900 | psychopathology | 1 | 37 | 470 | 456 |
| 900 | Programming Languages | 3 | 37 | 21 | 21 |
| 900 | Decision making | 2 | 37 | 1,729 | 1,862 |
| 910 | Research Design | 4 | 36 | 934 | 1,473 |
| 910 | Food service management | 1 | 36 | 791 | 932 |
| 910 | flavor | 2 | 36 | 250 | 376 |
| 910 | Wine | 6 | 36 | 14 | 75 |
| 910 | RNA | 1 | 36 | 774 | 801 |
| 910 | tomography | 1 | 36 | 579 | 417 |
| 916 | Carcinogenesis | 5 | 35 | 649 | 1,316 |
| 916 | Animal husbandry | 2 | 35 | 390 | 459 |
| 916 | Art | 10 | 35 | 159 | 191 |
| 916 | Microstructure | 4 | 35 | 799 | 1,085 |
| 916 | Syria | 1 | 35 | 5 | 1 |
| 921 | Structural health monitoring | 1 | 34 | 376 | 400 |
| 921 | Brain-Computer Interfaces | 2 | 34 | 48 | 72 |
| 921 | Contraception | 1 | 34 | 904 | 832 |
| 921 | structural stability | 1 | 34 | 518 | 572 |
| 921 | Public opinion | 1 | 34 | 690 | 657 |
| 921 | Trace elements | 1 | 34 | 535 | 597 |
| 921 | Fuzzy systems | 4 | 34 | 1,526 | 1,901 |
| 928 | Computational Chemistry | 2 | 33 | 835 | 967 |
| 928 | Clinical Trials | 3 | 33 | 424 | 592 |
| 928 | Landscape Ecology | 2 | 33 | 565 | 829 |
| 928 | Molecular Spectroscopy | 7 | 33 | 1,252 | 2,268 |
| 928 | health services | 2 | 33 | 1,233 | 1,395 |
| 928 | Maps | 2 | 33 | 206 | 245 |
| 928 | Liquid chromatography | 2 | 33 | 639 | 541 |
| 935 | Geotechnical Engineering | 1 | 32 | 775 | 633 |
| 935 | Sustainable Development | 3 | 32 | 2,091 | 2,997 |
| 935 | adolescence | 2 | 32 | 1,085 | 1,314 |
| 935 | Business Ethics | 1 | 32 | 1,546 | 1,684 |
| 935 | Radioisotopes | 3 | 32 | 1,038 | 1,166 |
| 935 | Climate | 2 | 32 | 738 | 1,009 |
| 941 | Dentistry | 1 | 31 | 1,081 | 773 |
| 941 | Experimental Psychology | 1 | 31 | 901 | 807 |
| 941 | Phytochemistry | 2 | 31 | 402 | 628 |
| 941 | Combinatorial optimization | 2 | 31 | 695 | 570 |
| 941 | Phytoremediation | 2 | 31 | 402 | 628 |
| 941 | environmental remediation | 2 | 31 | 485 | 706 |
| 941 | Bioreactors | 2 | 31 | 402 | 628 |
| 941 | Ornithology | 1 | 31 | 1,356 | 1,081 |
| 941 | nucleotides | 4 | 31 | 266 | 330 |
| 941 | Dementia | 3 | 31 | 1,189 | 1,177 |
| 941 | Alzheimer's disease | 3 | 31 | 1,201 | 1,245 |
| 941 | Mountains | 2 | 31 | 550 | 564 |
| 941 | Development | 1 | 31 | 1,251 | 1,300 |
| 941 | Birds | 1 | 31 | 1,546 | 1,213 |
| 941 | Economic Assistance | 1 | 31 | 1,141 | 1,202 |
| 941 | sports injuries | 1 | 31 | 928 | 786 |
| 957 | voice | 2 | 30 | 588 | 650 |
| 957 | transgenic organisms | 1 | 30 | 457 | 521 |
| 957 | transgenic animals | 1 | 30 | 446 | 504 |
| 957 | Protein folding | 1 | 30 | 164 | 175 |
| 957 | Family Therapy | 1 | 30 | 1,149 | 951 |
| 957 | Personality Disorders | 1 | 30 | 447 | 459 |
| 957 | child mental health | 1 | 30 | 794 | 732 |
| 957 | drug abuse | 1 | 30 | 988 | 877 |
| 957 | Stress | 2 | 30 | 378 | 577 |
| 957 | prions | 1 | 30 | 145 | 149 |
| 967 | Occupational Health | 4 | 29 | 876 | 1,311 |
| 967 | Inventory Control | 2 | 29 | 87 | 238 |
| 967 | Language Acquisition | 1 | 29 | 613 | 459 |
| 967 | Labor Economics | 2 | 29 | 625 | 690 |
| 967 | Topology | 6 | 29 | 226 | 360 |
| 967 | Communication Policy | 1 | 29 | 189 | 210 |
| 967 | Telecommunication Policy | 1 | 29 | 189 | 210 |
| 967 | X-ray spectroscopy | 1 | 29 | 368 | 262 |
| 967 | Bilingualism | 1 | 29 | 311 | 282 |
| 967 | Soil | 1 | 29 | 142 | 156 |
| 977 | Liquid Crystals | 1 | 28 | 1,320 | 890 |
| 977 | Adolescent Psychology | 2 | 28 | 948 | 1,174 |
| 977 | water supply | 3 | 28 | 849 | 1,413 |
| 977 | irrigation | 1 | 28 | 607 | 504 |
| 977 | Hearing | 1 | 28 | 960 | 857 |
| 977 | Thorax | 2 | 28 | 426 | 654 |
| 983 | Plant Pathology | 2 | 27 | 196 | 244 |
| 983 | Journalism | 2 | 27 | 699 | 672 |
| 983 | Quantitative Research | 1 | 27 | 375 | 442 |
| 983 | Mutagenesis | 1 | 27 | 825 | 780 |
| 983 | mutagens | 1 | 27 | 1,002 | 1,166 |
| 983 | body temperature | 1 | 27 | 1,000 | 955 |
| 989 | Marine Engineering | 2 | 26 | 451 | 343 |
| 989 | Conservation Biology | 2 | 26 | 1,312 | 1,612 |
| 989 | Avionics | 1 | 26 | 255 | 227 |
| 989 | Melanoma | 2 | 26 | 241 | 404 |
| 989 | Popular culture | 1 | 26 | 950 | 512 |
| 989 | cultural policy | 1 | 26 | 404 | 320 |
| 989 | Intelligent Control Systems | 3 | 26 | 1,281 | 1,402 |
| 989 | blood transfusion | 1 | 26 | 814 | 756 |
| 989 | Gerontology | 3 | 26 | 1,727 | 2,158 |
| 989 | Crystal growth | 1 | 26 | 1,528 | 1,560 |
| 989 | Culture | 1 | 26 | 1,722 | 1,245 |
| 989 | shipbuilding | 2 | 26 | 128 | 80 |