| 1 | management | 294 | 22.1K | 92 | 127 |
| 2 | Optics | 522 | 18.8K | 174 | 99 |
| 3 | Medicine | 260 | 14.0K | 922 | 731 |
| 4 | Biochemistry | 363 | 13.6K | 854 | 805 |
| 5 | Renewable Energy Sources | 84 | 12.9K | 240 | 100 |
| 6 | Business | 140 | 11.6K | 68 | 82 |
| 7 | transport vesicles | 1 | 10.3K | 406 | 160 |
| 8 | Physics | 289 | 9.9K | 1,004 | 1,222 |
| 9 | Economics | 187 | 9.3K | 410 | 223 |
| 10 | Photonics | 169 | 8.9K | 127 | 119 |
| 11 | Biology | 151 | 8.7K | 1,123 | 1,182 |
| 12 | Biomass Energy | 69 | 8.4K | 272 | 115 |
| 13 | Information Science | 39 | 8.1K | 495 | 54 |
| 14 | Catalysis | 99 | 8.0K | 711 | 445 |
| 15 | Energy Policy | 82 | 7.8K | 266 | 122 |
| 16 | Chemistry | 172 | 7.7K | 1,517 | 1,341 |
| 17 | Science | 177 | 7.6K | 1,126 | 1,330 |
| 18 | Health Information Management | 13 | 7.4K | 38 | 7 |
| 19 | Chemical Engineering | 149 | 7.2K | 625 | 524 |
| 20 | Biomass | 46 | 7.0K | 17 | 3 |
| 21 | Research | 206 | 6.4K | 893 | 896 |
| 22 | Neurology | 179 | 6.4K | 638 | 710 |
| 23 | Molecular Biology | 107 | 6.3K | 1,348 | 1,085 |
| 24 | Pharmacology | 178 | 5.9K | 595 | 575 |
| 25 | marketing | 92 | 5.8K | 155 | 168 |
| 26 | Diabetes | 60 | 5.6K | 324 | 218 |
| 27 | Ophthalmology | 162 | 5.4K | 111 | 130 |
| 28 | Fiber Optics | 138 | 5.4K | 37 | 27 |
| 29 | lasers | 175 | 5.2K | 109 | 78 |
| 30 | Psychology | 93 | 5.1K | 764 | 505 |
| 31 | Microbiology | 111 | 4.8K | 982 | 977 |
| 32 | Biophysics | 117 | 4.7K | 900 | 801 |
| 33 | Quantum electronics | 160 | 4.7K | 72 | 58 |
| 34 | Social Sciences | 67 | 4.6K | 515 | 190 |
| 35 | coal | 61 | 4.5K | 182 | 87 |
| 36 | Polymers | 152 | 4.5K | 616 | 602 |
| 37 | Biocompatible Materials | 82 | 4.4K | 679 | 651 |
| 38 | Diabetes mellitus | 35 | 4.2K | 444 | 258 |
| 39 | Europe | 101 | 4.1K | 338 | 203 |
| 40 | Botany | 24 | 4.1K | 1,432 | 630 |
| 41 | Small Business | 52 | 4.0K | 22 | 53 |
| 42 | Psychophysiology | 77 | 3.8K | 505 | 448 |
| 43 | economic policy | 54 | 3.7K | 371 | 87 |
| 44 | Light | 10 | 3.6K | 457 | 144 |
| 45 | Entrepreneurship | 26 | 3.6K | 145 | 116 |
| 46 | Sociology | 59 | 3.5K | 519 | 304 |
| 47 | Vision | 99 | 3.5K | 44 | 66 |
| 48 | polymerization | 118 | 3.4K | 586 | 578 |
| 49 | free radicals | 55 | 3.4K | 149 | 158 |
| 50 | Cytology | 46 | 3.3K | 1,012 | 854 |
| 51 | Biochemical Engineering | 31 | 3.1K | 1,018 | 741 |
| 52 | organization | 24 | 3.0K | 185 | 141 |
| 53 | Metabolism | 43 | 3.0K | 609 | 523 |
| 54 | Materials Science | 37 | 2.9K | 1,385 | 867 |
| 55 | Production Management | 41 | 2.9K | 167 | 156 |
| 56 | Biotechnology | 83 | 2.9K | 1,024 | 1,168 |
| 57 | United States | 49 | 2.9K | 1,111 | 642 |
| 58 | Leadership | 23 | 2.9K | 61 | 44 |
| 59 | innovation | 23 | 2.9K | 79 | 83 |
| 60 | Cancer | 56 | 2.9K | 643 | 615 |
| 61 | Behavior | 67 | 2.9K | 568 | 608 |
| 62 | Process Control | 33 | 2.9K | 110 | 77 |
| 63 | Biomedical Engineering | 79 | 2.8K | 847 | 796 |
| 64 | Social Psychology | 43 | 2.8K | 507 | 393 |
| 65 | Social Change | 29 | 2.6K | 123 | 66 |
| 66 | Endocrinology | 35 | 2.6K | 758 | 600 |
| 67 | Public Policy | 20 | 2.6K | 532 | 165 |
| 68 | Artificial Intelligence | 68 | 2.6K | 654 | 578 |
| 69 | Social policy | 21 | 2.5K | 268 | 23 |
| 70 | Statistical physics | 168 | 2.5K | 461 | 653 |
| 71 | Cell Biology | 30 | 2.5K | 1,171 | 966 |
| 72 | Drug delivery systems | 38 | 2.4K | 223 | 184 |
| 73 | Nanotechnology | 40 | 2.4K | 1,465 | 1,173 |
| 74 | planning | 11 | 2.4K | 261 | 12 |
| 75 | Economic planning | 10 | 2.3K | 173 | 9 |
| 76 | Nutrition | 48 | 2.3K | 919 | 761 |
| 77 | Operations Research | 82 | 2.3K | 271 | 312 |
| 78 | Technological Innovations | 23 | 2.3K | 172 | 32 |
| 79 | Human Resources | 35 | 2.3K | 19 | 16 |
| 80 | Oxidation-reduction | 22 | 2.2K | 173 | 131 |
| 81 | Physiology | 36 | 2.2K | 1,134 | 822 |
| 82 | Surgery | 6 | 2.2K | 988 | 473 |
| 83 | Environment | 39 | 2.2K | 1,292 | 1,383 |
| 84 | human behavior | 32 | 2.2K | 630 | 591 |
| 85 | Neuropsychology | 66 | 2.0K | 384 | 413 |
| 86 | drugs | 40 | 2.0K | 377 | 234 |
| 87 | Oxidative stress | 21 | 2.0K | 127 | 93 |
| 88 | Vocational guidance | 8 | 2.0K | 513 | 148 |
| 89 | Materials | 65 | 2.0K | 1,506 | 1,491 |
| 90 | Organizational Behavior | 24 | 1.9K | 112 | 103 |
| 91 | Public Health | 58 | 1.9K | 1,018 | 1,008 |
| 92 | Obesity | 42 | 1.9K | 400 | 385 |
| 93 | Venture Capital | 7 | 1.8K | 144 | 104 |
| 94 | Business Ethics | 22 | 1.8K | 210 | 194 |
| 95 | finance | 74 | 1.8K | 321 | 400 |
| 96 | Image Processing | 28 | 1.7K | 672 | 455 |
| 97 | Production Planning | 30 | 1.7K | 6 | 8 |
| 97 | Production Control | 30 | 1.7K | 6 | 8 |
| 99 | Neurophysiology | 36 | 1.7K | 772 | 730 |
| 99 | Colloids | 25 | 1.7K | 1,445 | 1,019 |
| 99 | Membranes | 37 | 1.7K | 425 | 426 |
| 102 | Ecology | 27 | 1.7K | 2,199 | 1,839 |
| 103 | Qualitative Research | 16 | 1.7K | 147 | 39 |
| 104 | commerce | 43 | 1.6K | 180 | 238 |
| 105 | Regional Planning | 58 | 1.6K | 196 | 230 |
| 106 | Economic History | 55 | 1.6K | 611 | 460 |
| 106 | International Finance | 67 | 1.6K | 140 | 211 |
| 108 | energy conservation | 26 | 1.6K | 523 | 491 |
| 109 | Psychiatry | 56 | 1.6K | 845 | 951 |
| 110 | Geochemistry | 4 | 1.6K | 1,584 | 537 |
| 111 | concrete | 27 | 1.6K | 218 | 228 |
| 112 | Food | 68 | 1.6K | 442 | 677 |
| 113 | Biogeochemistry | 2 | 1.6K | 1,195 | 288 |
| 113 | Organic Geochemistry | 2 | 1.6K | 430 | 57 |
| 113 | Cosmochemistry | 2 | 1.6K | 998 | 114 |
| 116 | Signal Processing | 23 | 1.6K | 946 | 592 |
| 117 | Bioengineering | 33 | 1.6K | 1,213 | 1,147 |
| 118 | Engineering | 39 | 1.5K | 1,122 | 660 |
| 119 | Molecular structure | 19 | 1.5K | 928 | 434 |
| 120 | Water | 23 | 1.5K | 844 | 724 |
| 121 | Health Policy | 37 | 1.5K | 501 | 383 |
| 122 | Education | 32 | 1.4K | 1,057 | 618 |
| 123 | Building Materials | 31 | 1.4K | 472 | 508 |
| 124 | Toxicology | 38 | 1.4K | 1,264 | 1,176 |
| 125 | Electronics | 43 | 1.4K | 884 | 682 |
| 125 | drug therapy | 14 | 1.4K | 837 | 450 |
| 127 | Organizational change | 22 | 1.4K | 98 | 49 |
| 128 | Cement | 17 | 1.4K | 170 | 158 |
| 129 | Computer Vision | 8 | 1.4K | 680 | 267 |
| 130 | Surface Chemistry | 26 | 1.4K | 1,446 | 1,119 |
| 130 | personality | 22 | 1.4K | 520 | 437 |
| 132 | Nervous system | 51 | 1.3K | 475 | 637 |
| 133 | Public Administration | 75 | 1.3K | 131 | 211 |
| 134 | Electrical Engineering | 36 | 1.3K | 945 | 451 |
| 135 | Diet | 19 | 1.3K | 680 | 577 |
| 136 | Mathematics | 52 | 1.3K | 1,872 | 1,233 |
| 137 | Chemotherapy | 8 | 1.3K | 651 | 220 |
| 138 | Developing countries | 33 | 1.3K | 489 | 398 |
| 139 | feeding behavior | 64 | 1.3K | 39 | 130 |
| 140 | Geriatrics | 34 | 1.3K | 714 | 584 |
| 141 | United Kingdom | 34 | 1.3K | 344 | 379 |
| 142 | Glass | 7 | 1.3K | 656 | 195 |
| 143 | Human genetics | 10 | 1.2K | 916 | 1,008 |
| 143 | Pharmaceutical Chemistry | 47 | 1.2K | 883 | 980 |
| 145 | Neural circuitry | 36 | 1.2K | 378 | 412 |
| 146 | Ceramics | 4 | 1.2K | 1,298 | 235 |
| 147 | Environmental Policy | 24 | 1.2K | 1,032 | 991 |
| 148 | pottery | 3 | 1.2K | 992 | 198 |
| 149 | Plastics | 20 | 1.2K | 558 | 235 |
| 150 | Natural history | 7 | 1.2K | 2,024 | 1,766 |
| 151 | brain mapping | 13 | 1.2K | 252 | 164 |
| 152 | Environmental Management | 22 | 1.2K | 1,011 | 940 |
| 153 | Metabolic diseases | 20 | 1.2K | 740 | 706 |
| 154 | Teaching | 14 | 1.1K | 743 | 292 |
| 154 | Brain | 28 | 1.1K | 827 | 790 |
| 156 | Strategic planning | 32 | 1.1K | 52 | 104 |
| 157 | Nonlinear Dynamics | 89 | 1.1K | 325 | 560 |
| 158 | Information Technology | 38 | 1.1K | 417 | 539 |
| 159 | Appetite | 60 | 1.1K | 33 | 114 |
| 160 | Aging | 31 | 1.1K | 719 | 653 |
| 161 | Decision making | 15 | 1.1K | 528 | 289 |
| 162 | industrial relations | 34 | 1.1K | 151 | 109 |
| 163 | Educational Psychology | 8 | 1.1K | 849 | 393 |
| 164 | Nuclear Physics | 44 | 1.1K | 1,402 | 1,368 |
| 165 | Health Services Research | 31 | 1.1K | 349 | 312 |
| 165 | Asia | 28 | 1.1K | 670 | 315 |
| 167 | Cognition | 38 | 1.1K | 435 | 510 |
| 168 | nanoscience | 15 | 1.1K | 1,329 | 1,015 |
| 169 | Land Use Planning | 33 | 1.0K | 27 | 55 |
| 170 | Cybernetics | 17 | 1.0K | 583 | 420 |
| 171 | Water pollution | 18 | 1.0K | 1,110 | 900 |
| 172 | environmental protection | 16 | 1.0K | 1,552 | 1,054 |
| 173 | Oncology | 2 | 1.0K | 2,017 | 949 |
| 174 | Pharmacy | 42 | 1.0K | 408 | 496 |
| 174 | Mental Disorders | 30 | 1.0K | 746 | 840 |
| 176 | Ergonomics | 15 | 999 | 355 | 160 |
| 177 | Psychopharmacology | 18 | 969 | 535 | 487 |
| 178 | Sales management | 10 | 968 | 90 | 102 |
| 178 | selling | 10 | 968 | 90 | 102 |
| 180 | drug evaluation | 25 | 955 | 262 | 187 |
| 181 | Technology | 48 | 946 | 839 | 981 |
| 182 | amino acids | 17 | 884 | 84 | 59 |
| 183 | actuators | 19 | 880 | 836 | 706 |
| 183 | transducers | 19 | 880 | 836 | 706 |
| 185 | environmental pollution | 21 | 862 | 1,760 | 1,729 |
| 186 | Australia | 20 | 855 | 521 | 279 |
| 187 | Industrial Policy | 15 | 827 | 128 | 91 |
| 188 | Power Electronics | 17 | 825 | 418 | 380 |
| 189 | Computational Biology | 14 | 821 | 1,063 | 757 |
| 189 | Bioinformatics | 14 | 821 | 885 | 641 |
| 191 | Computer Graphics | 15 | 802 | 708 | 456 |
| 191 | Medical Microbiology | 26 | 802 | 644 | 820 |
| 193 | Optoelectronics | 26 | 801 | 69 | 15 |
| 193 | pain | 14 | 801 | 536 | 454 |
| 195 | energy resources | 17 | 791 | 456 | 614 |
| 196 | Pollution | 12 | 786 | 2,782 | 2,293 |
| 197 | health planning | 23 | 778 | 660 | 436 |
| 198 | Health Education | 17 | 776 | 685 | 436 |
| 199 | research and development | 10 | 772 | 83 | 56 |
| 200 | Neurochemistry | 21 | 754 | 848 | 828 |
| 201 | international trade | 22 | 749 | 92 | 119 |
| 202 | Sustainable Engineering | 20 | 744 | 536 | 583 |
| 203 | Green Chemistry | 20 | 738 | 636 | 771 |
| 204 | Cerebral cortex | 23 | 736 | 270 | 349 |
| 205 | pain management | 9 | 735 | 276 | 112 |
| 206 | Drug design | 15 | 731 | 551 | 408 |
| 207 | System analysis | 27 | 729 | 683 | 653 |
| 208 | Manufacturing Processes | 38 | 722 | 546 | 735 |
| 209 | Composite Materials | 26 | 721 | 914 | 1,097 |
| 210 | Schizophrenia | 11 | 710 | 454 | 359 |
| 211 | Bacteriology | 8 | 709 | 1,043 | 750 |
| 212 | Environmental Engineering | 11 | 708 | 2,036 | 1,386 |
| 213 | Antioxidants | 15 | 706 | 227 | 312 |
| 214 | Structural Engineering | 24 | 695 | 540 | 497 |
| 215 | Cognitive neuroscience | 19 | 694 | 354 | 435 |
| 216 | Mathematical Physics | 67 | 691 | 594 | 866 |
| 217 | counseling | 13 | 663 | 571 | 368 |
| 218 | Patient education | 12 | 658 | 226 | 186 |
| 219 | Robotics | 17 | 654 | 678 | 517 |
| 220 | Development | 12 | 647 | 295 | 268 |
| 221 | Genetics | 9 | 643 | 1,812 | 1,427 |
| 222 | Chemical industry | 31 | 641 | 253 | 222 |
| 223 | Child psychology | 20 | 627 | 503 | 608 |
| 224 | Research Design | 12 | 621 | 487 | 376 |
| 225 | Automation | 20 | 617 | 871 | 934 |
| 226 | Economic Assistance | 14 | 613 | 224 | 252 |
| 227 | Mechanical Engineering | 26 | 612 | 802 | 600 |
| 228 | Medical Laboratory Science | 19 | 609 | 695 | 838 |
| 229 | Perception | 36 | 607 | 442 | 601 |
| 230 | Virology | 3 | 603 | 2,217 | 1,306 |
| 230 | Detectors | 24 | 603 | 386 | 403 |
| 232 | Atomic spectroscopy | 18 | 602 | 405 | 302 |
| 233 | Signal Transduction | 11 | 599 | 668 | 641 |
| 234 | Environmental monitoring | 6 | 592 | 2,706 | 1,771 |
| 234 | Child Development | 23 | 592 | 606 | 712 |
| 236 | Child | 19 | 587 | 823 | 738 |
| 237 | Analytical Chemistry | 20 | 586 | 1,828 | 1,838 |
| 238 | Recycling | 6 | 580 | 358 | 297 |
| 239 | Organic Chemistry | 24 | 570 | 1,227 | 1,254 |
| 239 | gene therapy | 5 | 570 | 671 | 409 |
| 241 | Memory | 24 | 569 | 540 | 637 |
| 242 | city planning | 21 | 568 | 508 | 508 |
| 243 | Quantum Optics | 17 | 567 | 303 | 204 |
| 243 | Laser Spectroscopy | 17 | 567 | 265 | 176 |
| 245 | Lipids | 7 | 546 | 780 | 536 |
| 245 | enzymes | 17 | 546 | 554 | 555 |
| 247 | Biopharmaceutics | 17 | 540 | 332 | 378 |
| 248 | Physical fitness | 7 | 539 | 674 | 378 |
| 249 | Pharmaceutical Technology | 25 | 529 | 404 | 581 |
| 250 | Cognitive Science | 19 | 525 | 491 | 638 |
| 251 | Economic Development | 15 | 514 | 599 | 680 |
| 252 | Developed countries | 3 | 513 | 179 | 68 |
| 253 | Auditing | 11 | 510 | 118 | 113 |
| 254 | impact | 2 | 501 | 374 | 112 |
| 255 | Medical genetics | 20 | 497 | 850 | 1,112 |
| 255 | Environmental pollutants | 38 | 497 | 405 | 980 |
| 257 | alcoholism | 9 | 496 | 729 | 544 |
| 257 | civil service | 29 | 496 | 41 | 118 |
| 259 | Animal Behavior | 9 | 492 | 1,050 | 892 |
| 259 | Ethology | 9 | 492 | 818 | 779 |
| 259 | medical education | 14 | 492 | 701 | 547 |
| 259 | Cell death | 8 | 492 | 652 | 631 |
| 263 | Statistics | 32 | 487 | 843 | 853 |
| 264 | Geography | 12 | 485 | 968 | 807 |
| 265 | European integration | 21 | 482 | 39 | 68 |
| 265 | European Economic Community | 21 | 482 | 39 | 68 |
| 267 | Environmental Toxicology | 37 | 481 | 489 | 1,141 |
| 267 | Industrial Sociology | 12 | 481 | 54 | 50 |
| 267 | drug toxicity | 37 | 481 | 4 | 76 |
| 270 | vibration | 15 | 479 | 452 | 407 |
| 271 | Optical materials | 21 | 475 | 1,027 | 1,327 |
| 272 | radioactive waste | 10 | 473 | 332 | 448 |
| 272 | industrial waste | 10 | 473 | 355 | 449 |
| 272 | Hazardous waste | 10 | 473 | 422 | 482 |
| 275 | China | 12 | 471 | 1,419 | 921 |
| 276 | Biosensors | 9 | 468 | 708 | 765 |
| 276 | Metallurgy | 26 | 468 | 704 | 833 |
| 278 | Gerontology | 22 | 462 | 587 | 601 |
| 279 | Immunology | 12 | 454 | 1,396 | 1,381 |
| 279 | Attention | 12 | 454 | 696 | 617 |
| 281 | Public opinion | 5 | 452 | 300 | 128 |
| 282 | Nanostructured Materials | 12 | 451 | 1,627 | 1,545 |
| 282 | particles | 8 | 451 | 521 | 228 |
| 282 | Therapeutics | 4 | 451 | 1,207 | 721 |
| 285 | Diagnostic Imaging | 16 | 450 | 686 | 676 |
| 286 | Organizational Sociology | 10 | 444 | 133 | 101 |
| 287 | Vaccines | 11 | 443 | 764 | 646 |
| 288 | Thermodynamics | 6 | 439 | 896 | 236 |
| 289 | Medical Technology | 19 | 438 | 447 | 557 |
| 290 | Structural dynamics | 9 | 437 | 542 | 497 |
| 291 | Developmental Psychology | 10 | 434 | 525 | 485 |
| 292 | Human-Computer Interaction | 9 | 432 | 822 | 580 |
| 293 | Visual Perception | 19 | 430 | 532 | 607 |
| 293 | Bioelectronics | 8 | 430 | 635 | 726 |
| 295 | Political Science | 40 | 428 | 415 | 562 |
| 295 | Food additives | 3 | 428 | 1,100 | 513 |
| 295 | vitamin C | 12 | 428 | 77 | 142 |
| 295 | vitamin E | 12 | 428 | 77 | 142 |
| 299 | behavioral medicine | 7 | 425 | 754 | 663 |
| 300 | Optical Communications | 23 | 424 | 174 | 192 |
| 301 | Dynamics | 27 | 420 | 398 | 444 |
| 302 | Geophysics | 22 | 419 | 1,321 | 1,589 |
| 303 | Higher Education | 16 | 406 | 167 | 166 |
| 304 | Cell differentiation | 5 | 405 | 1,013 | 889 |
| 305 | Autism | 12 | 404 | 279 | 329 |
| 306 | Highway Engineering | 20 | 397 | 81 | 98 |
| 307 | Software Engineering | 10 | 394 | 516 | 405 |
| 308 | Longevity | 1 | 393 | 349 | 34 |
| 308 | rejuvenation | 1 | 393 | 270 | 29 |
| 308 | Muscles | 27 | 393 | 166 | 414 |
| 311 | Reproduction | 6 | 391 | 1,440 | 912 |
| 312 | Linguistics | 23 | 389 | 421 | 457 |
| 312 | proteins | 13 | 389 | 908 | 858 |
| 314 | Cardiovascular diseases | 8 | 382 | 848 | 630 |
| 315 | Audiology | 22 | 378 | 214 | 293 |
| 316 | miniaturization | 8 | 374 | 1,085 | 1,046 |
| 317 | Human Geography | 8 | 373 | 635 | 427 |
| 318 | Heat Exchangers | 13 | 370 | 553 | 682 |
| 318 | Drying | 7 | 370 | 199 | 114 |
| 320 | nucleic acids | 7 | 369 | 1,006 | 973 |
| 321 | Hypertension | 7 | 368 | 852 | 904 |
| 321 | Communication | 18 | 368 | 770 | 939 |
| 323 | Liposomes | 11 | 367 | 208 | 242 |
| 324 | Clinical Chemistry | 12 | 363 | 1,221 | 1,301 |
| 325 | internet | 5 | 360 | 1,220 | 743 |
| 326 | Jurisprudence | 20 | 357 | 275 | 318 |
| 327 | taxation | 6 | 355 | 103 | 40 |
| 327 | Medical Anthropology | 11 | 355 | 552 | 691 |
| 327 | Cardiovascular system | 7 | 355 | 807 | 947 |
| 330 | Soft Condensed Matter | 6 | 354 | 719 | 510 |
| 330 | biopolymers | 5 | 354 | 886 | 555 |
| 332 | Sports | 18 | 349 | 837 | 885 |
| 333 | Industrial Safety | 6 | 348 | 803 | 457 |
| 333 | drug addiction | 7 | 348 | 651 | 559 |
| 335 | Retina | 2 | 342 | 188 | 202 |
| 335 | eye | 2 | 342 | 236 | 204 |
| 337 | Genetic regulation | 7 | 341 | 617 | 588 |
| 337 | Developmental Disabilities | 15 | 341 | 378 | 510 |
| 339 | Hearing | 17 | 339 | 230 | 256 |
| 340 | epilepsy | 19 | 338 | 255 | 354 |
| 341 | cell interaction | 8 | 337 | 570 | 581 |
| 342 | Histology | 12 | 336 | 863 | 916 |
| 342 | Information Systems | 12 | 336 | 589 | 568 |
| 342 | Internet of Things | 4 | 336 | 949 | 618 |
| 345 | computer networks | 16 | 334 | 1,050 | 1,229 |
| 346 | cell physiology | 3 | 332 | 1,257 | 875 |
| 347 | Wireless Communication Systems | 8 | 329 | 1,520 | 1,093 |
| 347 | Primary health care | 12 | 329 | 731 | 688 |
| 349 | intergroup relations | 5 | 328 | 124 | 77 |
| 350 | Sleep Disorders | 3 | 325 | 1,269 | 653 |
| 350 | biological factors | 10 | 325 | 999 | 885 |
| 350 | Sleep | 3 | 325 | 1,298 | 656 |
| 353 | Ecological Engineering | 1 | 323 | 1,105 | 333 |
| 353 | Medical Physics | 6 | 323 | 1,043 | 795 |
| 355 | tests | 10 | 320 | 44 | 78 |
| 356 | Job satisfaction | 3 | 319 | 101 | 78 |
| 356 | Work | 3 | 319 | 358 | 112 |
| 356 | job stress | 3 | 319 | 101 | 78 |
| 359 | Meteorology | 6 | 317 | 1,466 | 1,259 |
| 360 | mass transfer | 13 | 316 | 839 | 951 |
| 361 | Labor Supply | 1 | 315 | 148 | 15 |
| 361 | Human Capital | 1 | 315 | 491 | 86 |
| 363 | Environmental Chemistry | 9 | 313 | 1,156 | 1,330 |
| 364 | Transportation | 13 | 311 | 741 | 827 |
| 365 | Europa | 13 | 309 | 173 | 212 |
| 366 | Molecular Pharmacology | 5 | 305 | 628 | 498 |
| 367 | Bioorganic chemistry | 13 | 304 | 1,368 | 1,532 |
| 367 | Condensed Matter | 30 | 304 | 1,151 | 1,569 |
| 369 | Health Services Administration | 8 | 302 | 513 | 410 |
| 370 | Neurosurgery | 12 | 298 | 421 | 485 |
| 370 | protein | 9 | 298 | 644 | 581 |
| 372 | Nanophotonics | 7 | 297 | 179 | 168 |
| 373 | Eastern Europe | 13 | 289 | 259 | 149 |
| 373 | rare diseases | 6 | 289 | 361 | 282 |
| 375 | Nanostructures | 6 | 288 | 1,430 | 1,155 |
| 376 | Multilingualism | 7 | 286 | 126 | 87 |
| 377 | Atmospheric Chemistry | 6 | 285 | 607 | 643 |
| 377 | Atmospheric Physics | 6 | 285 | 1,060 | 899 |
| 379 | local government | 17 | 284 | 65 | 153 |
| 380 | Neuromuscular diseases | 24 | 281 | 132 | 300 |
| 381 | pharmaceutical industry | 10 | 280 | 229 | 164 |
| 382 | genome | 6 | 279 | 937 | 992 |
| 383 | Industrial Organization | 6 | 278 | 203 | 139 |
| 384 | Immunopathology | 5 | 276 | 794 | 661 |
| 385 | Tourism | 6 | 275 | 1,173 | 1,124 |
| 385 | health services | 6 | 275 | 687 | 460 |
| 387 | Educational Technology | 12 | 273 | 702 | 822 |
| 387 | Telecommunication | 17 | 273 | 1,119 | 1,354 |
| 389 | consumer behavior | 6 | 272 | 335 | 336 |
| 389 | Emotions | 6 | 272 | 397 | 413 |
| 391 | Epidemiology | 12 | 270 | 1,660 | 1,745 |
| 391 | Optoelectronic devices | 17 | 270 | 258 | 232 |
| 393 | Combinatorial chemistry | 6 | 269 | 477 | 494 |
| 393 | Nonprofit organizations | 12 | 269 | 84 | 135 |
| 395 | Project Management | 5 | 268 | 176 | 247 |
| 395 | Risk Management | 9 | 268 | 286 | 293 |
| 395 | Diagnostic microbiology | 2 | 268 | 1,112 | 871 |
| 398 | Systems Biology | 6 | 262 | 968 | 791 |
| 399 | Tribology | 26 | 260 | 278 | 574 |
| 400 | Plant Ecology | 13 | 259 | 809 | 1,163 |
| 400 | foreign exchange | 4 | 259 | 298 | 208 |
| 400 | human development | 8 | 259 | 458 | 494 |
| 400 | Radiation effects | 13 | 259 | 178 | 369 |
| 404 | Geology | 13 | 258 | 1,451 | 1,540 |
| 405 | Nondestructive testing | 3 | 257 | 676 | 278 |
| 405 | Structural health monitoring | 2 | 257 | 259 | 105 |
| 405 | structural stability | 2 | 257 | 393 | 194 |
| 408 | Neurobiology | 14 | 255 | 742 | 1,063 |
| 408 | Memory disorders | 14 | 255 | 55 | 135 |
| 410 | Randomized Controlled Trials | 7 | 254 | 573 | 343 |
| 411 | Labor Economics | 2 | 253 | 625 | 252 |
| 411 | Stem cells | 4 | 253 | 1,017 | 803 |
| 411 | world | 4 | 253 | 585 | 537 |
| 414 | Genomics | 8 | 251 | 1,694 | 1,697 |
| 414 | Electrophysiology | 8 | 251 | 534 | 436 |
| 414 | Intellectual disability | 13 | 251 | 334 | 377 |
| 417 | Environmentalism | 5 | 249 | 84 | 94 |
| 417 | Radio | 6 | 249 | 983 | 855 |
| 419 | Pharmacokinetics | 12 | 246 | 280 | 467 |
| 419 | Industrial Ecology | 3 | 246 | 169 | 128 |
| 421 | Neuropsychiatry | 15 | 243 | 274 | 445 |
| 421 | Clinical Biochemistry | 10 | 243 | 541 | 589 |
| 421 | Synaptic Transmission | 14 | 243 | 147 | 270 |
| 424 | Proteomics | 6 | 241 | 698 | 685 |
| 424 | Medical innovations | 3 | 241 | 831 | 819 |
| 426 | Spectrum analysis | 15 | 240 | 2,101 | 2,378 |
| 427 | Systems Engineering | 17 | 239 | 839 | 1,199 |
| 427 | Chemical processes | 11 | 239 | 200 | 231 |
| 427 | synthesis | 12 | 239 | 434 | 327 |
| 430 | Microbial Biotechnology | 8 | 238 | 472 | 520 |
| 430 | Translation | 6 | 238 | 86 | 13 |
| 432 | Health | 11 | 236 | 1,000 | 1,086 |
| 433 | Granular materials | 4 | 234 | 493 | 292 |
| 434 | Intelligent Control Systems | 5 | 232 | 891 | 293 |
| 435 | Pediatrics | 5 | 231 | 1,503 | 1,323 |
| 435 | Antibacterial agents | 3 | 231 | 593 | 392 |
| 437 | Physical Chemistry | 12 | 230 | 1,131 | 1,332 |
| 437 | Solar Energy | 7 | 230 | 1,148 | 1,246 |
| 439 | Risk | 7 | 227 | 298 | 318 |
| 440 | Probability | 6 | 226 | 372 | 303 |
| 441 | Solid State Physics | 23 | 225 | 1,607 | 2,052 |
| 442 | Quantum theory | 23 | 224 | 298 | 514 |
| 443 | Biomechanics | 7 | 222 | 808 | 761 |
| 444 | Sexual health | 4 | 221 | 570 | 333 |
| 445 | Gene expression regulation | 6 | 218 | 590 | 589 |
| 445 | optical devices | 10 | 218 | 171 | 188 |
| 447 | Measurement | 7 | 217 | 868 | 715 |
| 448 | Psycholinguistics | 7 | 216 | 602 | 632 |
| 448 | Inflammation | 3 | 216 | 1,024 | 820 |
| 450 | Embryology | 2 | 214 | 1,406 | 976 |
| 450 | Roads | 9 | 214 | 388 | 304 |
| 452 | risk factors | 6 | 213 | 425 | 397 |
| 453 | Industrial Engineering | 20 | 212 | 591 | 1,166 |
| 454 | Behavioral Genetics | 2 | 211 | 287 | 170 |
| 454 | Consumer education | 1 | 211 | 736 | 227 |
| 456 | Engineering Mathematics | 16 | 210 | 734 | 882 |
| 457 | cultural pluralism | 6 | 208 | 232 | 144 |
| 458 | Genetic engineering | 4 | 206 | 1,614 | 1,332 |
| 458 | Computational Linguistics | 7 | 206 | 262 | 111 |
| 460 | Numerical Analysis | 12 | 205 | 1,285 | 1,178 |
| 460 | Electrochemistry | 13 | 205 | 2,026 | 2,158 |
| 462 | Smart Materials | 4 | 204 | 824 | 512 |
| 462 | Financial management | 4 | 204 | 394 | 350 |
| 464 | Medical Oncology | 2 | 202 | 1,497 | 993 |
| 464 | ethnicity | 11 | 202 | 280 | 246 |
| 464 | Carcinogenesis | 2 | 202 | 991 | 629 |
| 464 | Magnetic Materials | 6 | 202 | 1,129 | 976 |
| 464 | carcinogens | 2 | 202 | 1,050 | 633 |
| 464 | mutagens | 2 | 202 | 763 | 578 |
| 470 | Lipid metabolism | 3 | 201 | 391 | 293 |
| 470 | Lipid | 3 | 201 | 393 | 293 |
| 472 | Occupational Health | 3 | 200 | 1,025 | 498 |
| 473 | Discourse Analysis | 11 | 198 | 124 | 201 |
| 473 | Applied Linguistics | 10 | 198 | 254 | 262 |
| 473 | carbon monoxide | 2 | 198 | 460 | 253 |
| 476 | Microbial Ecology | 3 | 196 | 1,891 | 1,710 |
| 477 | Pharmacy management | 5 | 195 | 196 | 118 |
| 477 | Criminal investigation | 9 | 195 | 61 | 55 |
| 479 | Sustainable Development | 8 | 194 | 1,166 | 1,461 |
| 479 | Nutrition physiology | 7 | 194 | 418 | 513 |
| 481 | East Asia | 9 | 193 | 246 | 148 |
| 481 | Scandinavia | 3 | 193 | 585 | 313 |
| 483 | Intelligent Transportation Systems | 6 | 192 | 787 | 828 |
| 483 | Dyslexia | 10 | 192 | 34 | 92 |
| 483 | Corporate governance | 4 | 192 | 515 | 393 |
| 486 | Semiconductors | 4 | 190 | 1,885 | 1,102 |
| 486 | administrative agencies | 11 | 190 | 104 | 153 |
| 488 | Ocean Engineering | 6 | 189 | 1,190 | 1,119 |
| 489 | Environmental Health | 7 | 188 | 3,334 | 3,571 |
| 490 | Sociolinguistics | 5 | 187 | 343 | 222 |
| 491 | Crystallography | 20 | 186 | 633 | 619 |
| 492 | Swarm Intelligence | 1 | 185 | 582 | 197 |
| 493 | international cooperation | 5 | 184 | 422 | 385 |
| 494 | Special Education | 8 | 182 | 451 | 398 |
| 495 | Evolution | 3 | 178 | 1,665 | 1,292 |
| 496 | International Relations | 16 | 175 | 387 | 494 |
| 496 | Neurolinguistics | 4 | 175 | 361 | 371 |
| 498 | Earthquake Engineering | 5 | 174 | 1,021 | 945 |
| 498 | Feminism | 4 | 174 | 497 | 264 |
| 500 | Energy Consumption | 4 | 171 | 285 | 346 |
| 500 | Labor Unions | 3 | 171 | 251 | 54 |
| 502 | Globalization | 7 | 170 | 305 | 324 |
| 502 | breastfeeding | 8 | 170 | 214 | 263 |
| 502 | clay | 3 | 170 | 827 | 695 |
| 502 | Genetic therapy | 3 | 170 | 859 | 751 |
| 506 | Pediatric Neurology | 5 | 167 | 594 | 800 |
| 507 | Cardiac electrophysiology | 1 | 164 | 378 | 212 |
| 507 | Zeolites | 8 | 164 | 519 | 818 |
| 507 | arrhythmia | 1 | 164 | 378 | 212 |
| 510 | Intercultural Communication | 7 | 163 | 211 | 264 |
| 511 | Traffic Engineering | 9 | 162 | 177 | 335 |
| 511 | Hormones | 6 | 162 | 803 | 913 |
| 513 | Youth | 4 | 161 | 561 | 518 |
| 514 | Technology Assessment | 4 | 160 | 294 | 400 |
| 514 | psychotherapy | 15 | 160 | 518 | 845 |
| 516 | Telecommunication Systems | 11 | 158 | 823 | 958 |
| 516 | drug development | 2 | 158 | 1,024 | 891 |
| 518 | Educational Sociology | 3 | 157 | 375 | 187 |
| 518 | Social behavior | 6 | 157 | 803 | 882 |
| 520 | Eating Disorders | 5 | 156 | 597 | 598 |
| 520 | Feeding and Eating Disorders | 5 | 156 | 571 | 573 |
| 522 | community development | 8 | 155 | 292 | 365 |
| 522 | gene transfer | 2 | 155 | 315 | 163 |
| 522 | genetic transformation | 2 | 155 | 315 | 163 |
| 525 | Political Sociology | 8 | 154 | 244 | 314 |
| 525 | Sports Medicine | 7 | 154 | 1,549 | 1,440 |
| 527 | Drug delivery devices | 3 | 153 | 235 | 261 |
| 528 | Mental illness | 5 | 151 | 1,277 | 1,426 |
| 529 | Radiography | 2 | 150 | 786 | 703 |
| 529 | rehabilitation | 8 | 150 | 1,243 | 1,450 |
| 531 | Pathology | 6 | 148 | 1,199 | 1,348 |
| 531 | ethanol | 2 | 148 | 594 | 295 |
| 533 | Clinical Immunology | 7 | 147 | 616 | 765 |
| 534 | Diplomatic relations | 14 | 144 | 231 | 217 |
| 535 | Money | 11 | 143 | 59 | 312 |
| 536 | health behavior | 2 | 142 | 1,041 | 677 |
| 537 | Language Policy | 2 | 140 | 139 | 62 |
| 537 | Language planning | 2 | 140 | 232 | 34 |
| 539 | Immunotherapy | 5 | 139 | 1,213 | 1,375 |
| 539 | Soviet Union | 5 | 139 | 466 | 170 |
| 541 | Feminist psychology | 3 | 138 | 78 | 55 |
| 541 | Metals | 5 | 138 | 1,570 | 1,447 |
| 543 | nuclear magnetic resonance | 9 | 136 | 573 | 629 |
| 543 | Magnetic Resonance Spectroscopy | 9 | 136 | 638 | 694 |
| 545 | cell membrane | 4 | 134 | 463 | 506 |
| 546 | symbiosis | 6 | 133 | 38 | 51 |
| 546 | Eurasia | 4 | 133 | 150 | 104 |
| 548 | Quality of life | 5 | 132 | 1,059 | 1,229 |
| 549 | Humanities | 9 | 131 | 968 | 901 |
| 549 | Developmental Biology | 3 | 131 | 1,657 | 1,578 |
| 549 | Elections | 4 | 131 | 285 | 216 |
| 552 | Palliative Care | 4 | 129 | 624 | 479 |
| 553 | Clinical Pharmacology | 7 | 128 | 766 | 914 |
| 554 | Chromosome mapping | 2 | 127 | 1,832 | 1,470 |
| 554 | gene mapping | 2 | 127 | 1,963 | 1,634 |
| 556 | Nationalism | 10 | 126 | 117 | 156 |
| 556 | cytokines | 3 | 126 | 1,077 | 1,056 |
| 558 | Urban Areas | 3 | 125 | 227 | 122 |
| 559 | Welfare Economics | 4 | 124 | 383 | 341 |
| 559 | Human Rights | 4 | 124 | 461 | 308 |
| 559 | Geographic information systems | 3 | 124 | 1,159 | 728 |
| 559 | Waste management | 14 | 124 | 527 | 978 |
| 559 | Socialism | 4 | 124 | 166 | 100 |
| 559 | Autoimmunity | 1 | 124 | 909 | 667 |
| 559 | biocatalysis | 1 | 124 | 310 | 387 |
| 559 | Interactive multimedia | 2 | 124 | 708 | 520 |
| 559 | Homogeneous catalysis | 1 | 124 | 310 | 387 |
| 559 | Heterogeneous catalysis | 1 | 124 | 310 | 387 |
| 559 | Egypt | 1 | 124 | 1,131 | 449 |
| 570 | Informatics | 2 | 123 | 1,026 | 698 |
| 570 | cloning | 1 | 123 | 819 | 649 |
| 572 | Global Health | 2 | 122 | 1,298 | 663 |
| 572 | Geriatric Psychiatry | 5 | 122 | 660 | 737 |
| 572 | Production Engineering | 13 | 122 | 901 | 1,347 |
| 572 | International Education | 1 | 122 | 505 | 155 |
| 576 | Critical Care | 3 | 121 | 1,114 | 1,209 |
| 576 | Microwaves | 6 | 121 | 956 | 841 |
| 578 | Pharmacognosy | 1 | 120 | 2,529 | 1,720 |
| 578 | Medicinal plants | 1 | 120 | 2,050 | 1,339 |
| 580 | Criminal psychology | 5 | 119 | 596 | 614 |
| 581 | Central Asia | 3 | 118 | 141 | 90 |
| 582 | Mental Health | 12 | 117 | 708 | 1,149 |
| 582 | Corporate Social Responsibility | 4 | 117 | 209 | 434 |
| 582 | environmental auditing | 4 | 117 | 221 | 437 |
| 582 | Performance | 6 | 117 | 194 | 265 |
| 586 | Risk assessment | 7 | 116 | 309 | 387 |
| 586 | Capitalism | 3 | 116 | 167 | 92 |
| 588 | Law | 12 | 115 | 604 | 539 |
| 588 | Lightweight concrete | 6 | 115 | 258 | 630 |
| 590 | arthritis | 2 | 114 | 1,001 | 978 |
| 591 | Microelectronics | 4 | 113 | 1,428 | 1,471 |
| 591 | Mineral resources | 2 | 113 | 845 | 662 |
| 591 | Social problems | 4 | 113 | 528 | 585 |
| 594 | Sarcopenia | 3 | 112 | 359 | 482 |
| 595 | Rural Development | 7 | 109 | 261 | 473 |
| 595 | Change management | 8 | 109 | 32 | 55 |
| 595 | Enzyme | 4 | 109 | 429 | 596 |
| 595 | sex crimes | 3 | 109 | 624 | 530 |
| 599 | Quantum Gravity | 8 | 107 | 1,374 | 1,557 |
| 599 | Learning disabilities | 5 | 107 | 636 | 667 |
| 599 | Mycology | 8 | 107 | 919 | 1,300 |
| 602 | Edible plants | 1 | 106 | 495 | 231 |
| 603 | Computational Intelligence | 2 | 105 | 887 | 483 |
| 603 | Ceramic materials | 3 | 105 | 1,347 | 1,113 |
| 605 | Development Economics | 3 | 104 | 420 | 327 |
| 605 | social science | 2 | 104 | 235 | 224 |
| 605 | prostaglandins | 4 | 104 | 345 | 357 |
| 605 | Culture | 7 | 104 | 693 | 632 |
| 605 | language | 5 | 104 | 624 | 723 |
| 610 | Database Management | 4 | 103 | 650 | 658 |
| 610 | Energy Storage | 2 | 103 | 1,473 | 1,165 |
| 610 | Fuzzy systems | 8 | 103 | 977 | 1,117 |
| 613 | Dermatology | 3 | 102 | 1,339 | 1,140 |
| 613 | Cell migration | 2 | 102 | 95 | 104 |
| 613 | Political Participation | 5 | 102 | 237 | 271 |
| 613 | Cell adhesion | 2 | 102 | 185 | 166 |
| 613 | organizational effectiveness | 2 | 102 | 597 | 363 |
| 613 | cell movement | 2 | 102 | 304 | 279 |
| 619 | Energy Conversion | 1 | 101 | 1,669 | 1,360 |
| 619 | Natural resources | 2 | 101 | 911 | 765 |
| 619 | Ethnic relations | 6 | 101 | 390 | 353 |
| 619 | Mental Health Services | 9 | 101 | 616 | 959 |
| 619 | Energy Harvesting | 1 | 101 | 672 | 655 |
| 619 | corporate culture | 2 | 101 | 268 | 206 |
| 619 | Export Marketing | 6 | 101 | 90 | 283 |
| 626 | cooperation | 5 | 100 | 72 | 54 |
| 626 | sustainability | 1 | 100 | 1,469 | 993 |
| 626 | Tropical Medicine | 2 | 100 | 1,910 | 1,320 |
| 626 | Health Risk Assessment | 6 | 100 | 224 | 329 |
| 630 | Dietetics | 9 | 99 | 308 | 479 |
| 630 | Psychoneuroimmunology | 3 | 99 | 548 | 721 |
| 630 | Wildlife conservation | 2 | 99 | 1,237 | 1,177 |
| 630 | Neuroimmunology | 3 | 99 | 604 | 773 |
| 630 | Substance Abuse | 10 | 99 | 708 | 1,073 |
| 630 | Neurons | 1 | 99 | 759 | 928 |
| 630 | India | 4 | 99 | 1,269 | 615 |
| 637 | Critical Care Medicine | 1 | 98 | 1,455 | 1,257 |
| 637 | Superconductors | 3 | 98 | 876 | 601 |
| 637 | Fracture mechanics | 6 | 98 | 1,003 | 1,175 |
| 637 | Computational Complexity | 6 | 98 | 717 | 691 |
| 637 | Allergy | 5 | 98 | 727 | 1,053 |
| 642 | civil rights | 3 | 97 | 385 | 251 |
| 642 | Water Purification | 11 | 97 | 518 | 927 |
| 642 | Water quality management | 11 | 97 | 887 | 1,498 |
| 642 | hazard mitigation | 3 | 97 | 980 | 924 |
| 646 | Simulation Methods | 5 | 96 | 757 | 825 |
| 646 | Citizenship | 2 | 96 | 192 | 124 |
| 646 | economic development projects | 3 | 96 | 162 | 134 |
| 649 | Mineralogy | 2 | 95 | 1,450 | 1,068 |
| 649 | Petrology | 2 | 95 | 981 | 877 |
| 651 | Clinical Psychology | 8 | 94 | 695 | 1,108 |
| 652 | Ultrasonics | 4 | 93 | 1,055 | 1,347 |
| 652 | Sonochemistry | 4 | 93 | 538 | 942 |
| 654 | Computer Science | 9 | 92 | 1,170 | 1,521 |
| 655 | environmental indicators | 1 | 91 | 1,732 | 1,369 |
| 655 | Reading | 6 | 91 | 434 | 549 |
| 657 | Depression | 2 | 90 | 409 | 496 |
| 657 | Anxiety Disorders | 2 | 90 | 591 | 641 |
| 657 | Anxiety | 2 | 90 | 588 | 637 |
| 657 | software | 5 | 90 | 781 | 1,134 |
| 657 | Speech | 4 | 90 | 755 | 839 |
| 662 | Long-Term Care | 2 | 89 | 597 | 549 |
| 662 | Long-term care facilities | 2 | 89 | 590 | 547 |
| 662 | Social work | 8 | 89 | 801 | 994 |
| 665 | Otolaryngology | 6 | 87 | 318 | 430 |
| 665 | Regionalism | 7 | 87 | 82 | 170 |
| 665 | Bipolar Disorder | 3 | 87 | 305 | 349 |
| 665 | Multimedia Systems | 4 | 87 | 1,594 | 1,480 |
| 665 | Federal government | 7 | 87 | 62 | 89 |
| 670 | Mobile Computing | 4 | 86 | 974 | 960 |
| 670 | Instructional systems | 6 | 86 | 76 | 130 |
| 672 | Econometrics | 9 | 84 | 810 | 1,041 |
| 672 | biological evolution | 4 | 84 | 1,620 | 2,055 |
| 674 | Total Quality Management | 4 | 83 | 417 | 554 |
| 675 | Community Psychology | 3 | 82 | 544 | 541 |
| 675 | Land use | 2 | 82 | 1,381 | 1,270 |
| 675 | Language and Culture | 2 | 82 | 212 | 77 |
| 678 | Political Geography | 5 | 81 | 202 | 298 |
| 678 | Distance Education | 2 | 81 | 470 | 374 |
| 678 | Social welfare | 8 | 81 | 305 | 483 |
| 678 | Health risk communication | 4 | 81 | 50 | 75 |
| 682 | Learning | 6 | 80 | 845 | 1,192 |
| 682 | Food preferences | 4 | 80 | 307 | 461 |
| 684 | nuclear magnetic resonance spectroscopy | 1 | 79 | 1,039 | 569 |
| 684 | France | 18 | 79 | 93 | 219 |
| 684 | Vietnam | 1 | 79 | 260 | 58 |
| 684 | investigative techniques | 2 | 79 | 171 | 203 |
| 688 | Geopolitics | 6 | 78 | 131 | 224 |
| 688 | Human-robot interaction | 1 | 78 | 120 | 71 |
| 690 | Justice | 4 | 77 | 7 | 8 |
| 690 | Bioethics | 4 | 77 | 781 | 710 |
| 690 | Political Ethics | 4 | 77 | 63 | 33 |
| 690 | Aquaculture | 3 | 77 | 1,389 | 1,321 |
| 694 | Extracellular matrix | 2 | 76 | 289 | 351 |
| 694 | collagen | 2 | 76 | 310 | 362 |
| 696 | Logistics | 4 | 75 | 479 | 745 |
| 696 | Structural biology | 2 | 75 | 79 | 96 |
| 696 | mutation | 2 | 75 | 647 | 683 |
| 696 | Chromosomes | 2 | 75 | 1,001 | 977 |
| 696 | biomedicine | 1 | 75 | 893 | 663 |
| 696 | Exercise | 1 | 75 | 2,217 | 1,278 |
| 702 | Infections | 3 | 74 | 959 | 1,202 |
| 702 | Organometallic chemistry | 7 | 74 | 1,470 | 1,839 |
| 702 | embryonic development | 1 | 74 | 663 | 452 |
| 702 | Speech Disorders | 4 | 74 | 818 | 920 |
| 702 | Communism | 5 | 74 | 72 | 92 |
| 702 | infection | 3 | 74 | 1,346 | 1,493 |
| 702 | Virulence | 3 | 74 | 941 | 1,321 |
| 702 | Group Identity | 3 | 74 | 67 | 50 |
| 702 | fertility | 1 | 74 | 1,083 | 960 |
| 702 | race relations | 5 | 74 | 451 | 540 |
| 712 | Computer Engineering | 1 | 73 | 1,698 | 914 |
| 712 | Ethics | 2 | 73 | 1,125 | 764 |
| 712 | Fungi | 5 | 73 | 755 | 1,109 |
| 715 | Economic Geography | 3 | 72 | 351 | 383 |
| 715 | Microcirculation | 3 | 72 | 441 | 485 |
| 715 | complementary therapies | 6 | 72 | 1,137 | 1,704 |
| 715 | Carbon | 4 | 72 | 1,108 | 1,644 |
| 715 | Blood vessels | 3 | 72 | 364 | 412 |
| 720 | Cross-Cultural Studies | 4 | 71 | 591 | 727 |
| 720 | Cytokine | 2 | 71 | 467 | 559 |
| 722 | Soil biology | 1 | 70 | 1,254 | 1,159 |
| 722 | Developmental Immunology | 3 | 70 | 576 | 753 |
| 722 | children | 2 | 70 | 593 | 530 |
| 725 | health services accessibility | 2 | 68 | 1,099 | 929 |
| 725 | Enteral nutrition | 3 | 68 | 736 | 953 |
| 725 | Parenteral nutrition | 3 | 68 | 843 | 1,057 |
| 725 | Earth Sciences | 2 | 68 | 3,347 | 2,815 |
| 725 | violence | 3 | 68 | 941 | 1,041 |
| 725 | molecular design | 6 | 68 | 140 | 261 |
| 731 | Medical Ethics | 2 | 67 | 1,291 | 914 |
| 731 | Lipid bilayers | 3 | 67 | 497 | 558 |
| 731 | Protein engineering | 1 | 67 | 371 | 260 |
| 734 | Paleontology | 1 | 66 | 1,687 | 1,149 |
| 734 | Catalysts | 3 | 66 | 711 | 742 |
| 736 | Avionics | 1 | 64 | 255 | 126 |
| 736 | Semiotics | 4 | 64 | 308 | 165 |
| 736 | Africa | 3 | 64 | 1,560 | 1,146 |
| 736 | Dementia | 11 | 64 | 679 | 929 |
| 740 | Microscopy | 4 | 63 | 1,218 | 1,220 |
| 741 | Kinetics | 1 | 62 | 917 | 501 |
| 741 | Quantum Mechanics | 3 | 62 | 164 | 81 |
| 741 | Plasma chemistry | 1 | 62 | 665 | 437 |
| 741 | Nutritional support | 2 | 62 | 218 | 277 |
| 745 | Experimental Psychology | 1 | 61 | 901 | 649 |
| 745 | Information Retrieval | 2 | 61 | 603 | 575 |
| 745 | food technology | 5 | 61 | 1,967 | 2,760 |
| 745 | atmospheric models | 1 | 61 | 874 | 789 |
| 749 | Growth factors | 1 | 60 | 476 | 500 |
| 750 | Calorimetry | 4 | 59 | 1,098 | 1,252 |
| 750 | Thermal analysis | 4 | 59 | 1,098 | 1,252 |
| 752 | Cognitive Psychology | 6 | 58 | 268 | 421 |
| 752 | Environmental Psychology | 1 | 58 | 661 | 618 |
| 752 | Synthetic biology | 1 | 58 | 524 | 420 |
| 752 | toxicity testing | 1 | 58 | 1,089 | 834 |
| 752 | natural disasters | 1 | 58 | 2,009 | 1,625 |
| 757 | Databases | 2 | 57 | 446 | 404 |
| 757 | Drug discovery | 3 | 57 | 210 | 311 |
| 757 | motor skills | 1 | 57 | 417 | 232 |
| 760 | Alternative Medicine | 5 | 56 | 1,097 | 1,834 |
| 760 | Business communication | 1 | 56 | 296 | 197 |
| 762 | Immunopharmacology | 1 | 55 | 1,519 | 1,225 |
| 762 | Mass Spectrometry | 2 | 55 | 1,240 | 1,143 |
| 762 | forest policy | 2 | 55 | 435 | 444 |
| 762 | police | 4 | 55 | 329 | 339 |
| 766 | Transnational corporations | 4 | 54 | 284 | 569 |
| 766 | Compassion | 1 | 54 | 11 | 10 |
| 766 | Empathy | 1 | 54 | 68 | 12 |
| 766 | Proteome | 3 | 54 | 1,011 | 1,355 |
| 766 | Capital market | 3 | 54 | 441 | 622 |
| 771 | Hydrology | 3 | 53 | 2,278 | 2,463 |
| 771 | Thin Films | 3 | 53 | 537 | 497 |
| 771 | Group decision making | 3 | 53 | 483 | 579 |
| 771 | Budget | 3 | 53 | 160 | 147 |
| 771 | Organelle biogenesis | 5 | 53 | 140 | 288 |
| 776 | Criminology | 3 | 52 | 914 | 909 |
| 776 | Green Technology | 2 | 52 | 574 | 598 |
| 776 | Child welfare | 4 | 52 | 951 | 1,173 |
| 776 | ethnic groups | 3 | 52 | 338 | 418 |
| 776 | behavior therapy | 3 | 52 | 775 | 922 |
| 781 | Quality Control | 4 | 51 | 1,507 | 2,145 |
| 781 | Exercise therapy | 1 | 51 | 924 | 474 |
| 783 | Urban Planning | 1 | 50 | 698 | 601 |
| 783 | Analytical Biochemistry | 3 | 50 | 1,645 | 1,846 |
| 783 | Housing | 1 | 50 | 846 | 704 |
| 783 | multimedia | 1 | 50 | 819 | 724 |
| 783 | Population | 1 | 50 | 1,411 | 1,111 |
| 788 | Transportation Engineering | 8 | 49 | 178 | 457 |
| 788 | Neurotoxicology | 3 | 49 | 559 | 898 |
| 788 | Apoptosis | 3 | 49 | 245 | 477 |
| 788 | neurotoxins | 3 | 49 | 245 | 477 |
| 788 | Neurotoxic agents | 3 | 49 | 245 | 477 |
| 788 | Nerve regeneration | 3 | 49 | 245 | 477 |
| 794 | Nanochemistry | 2 | 48 | 1,537 | 1,590 |
| 794 | Public Health Administration | 1 | 48 | 712 | 402 |
| 794 | Cellular senescence | 2 | 48 | 398 | 833 |
| 794 | Steroids | 2 | 48 | 1,012 | 1,065 |
| 794 | Cerebellum | 1 | 48 | 504 | 396 |
| 794 | Cerebellar ataxia | 1 | 48 | 504 | 396 |
| 800 | Astronomy | 6 | 47 | 1,854 | 2,532 |
| 800 | Agricultural Chemistry | 1 | 47 | 2,903 | 2,588 |
| 800 | histological techniques | 2 | 47 | 715 | 878 |
| 800 | Crystal growth | 3 | 47 | 1,053 | 1,322 |
| 800 | Heterocyclic compounds | 4 | 47 | 879 | 936 |
| 805 | Regional Economics | 3 | 46 | 471 | 561 |
| 805 | Stochastic Processes | 5 | 46 | 716 | 979 |
| 805 | Thermochemistry | 2 | 46 | 582 | 612 |
| 805 | Behavioral research | 3 | 46 | 624 | 674 |
| 805 | Plant physiology | 2 | 46 | 2,200 | 2,486 |
| 805 | Nanoparticles | 4 | 46 | 1,630 | 2,203 |
| 805 | World Wide Web | 3 | 46 | 411 | 409 |
| 812 | Molecular Microbiology | 2 | 45 | 888 | 1,184 |
| 812 | Digital humanities | 2 | 45 | 136 | 122 |
| 812 | Respiration | 2 | 45 | 1,439 | 1,610 |
| 815 | Surface properties | 5 | 44 | 903 | 1,773 |
| 815 | monitoring | 2 | 44 | 333 | 296 |
| 815 | vascular diseases | 3 | 44 | 661 | 968 |
| 818 | Sovereignty | 2 | 43 | 178 | 203 |
| 818 | Oncogenes | 2 | 43 | 991 | 1,336 |
| 820 | Machine Learning | 3 | 42 | 329 | 452 |
| 820 | Knowledge management | 2 | 42 | 595 | 498 |
| 820 | Critical theory | 2 | 42 | 237 | 176 |
| 820 | peptides | 2 | 42 | 994 | 989 |
| 820 | Library Science | 6 | 42 | 593 | 868 |
| 820 | libraries | 2 | 42 | 654 | 566 |
| 820 | Creativity | 1 | 42 | 673 | 573 |
| 827 | Food service management | 3 | 41 | 416 | 902 |
| 828 | Common Law | 6 | 40 | 88 | 115 |
| 828 | Cell division | 1 | 40 | 624 | 645 |
| 828 | Chemical analysis | 3 | 40 | 1,117 | 1,485 |
| 828 | Growth | 2 | 40 | 1,107 | 1,455 |
| 828 | educational innovations | 3 | 40 | 543 | 788 |
| 833 | Emergency Medical Services | 2 | 39 | 784 | 817 |
| 833 | Theology | 4 | 39 | 537 | 224 |
| 833 | emergency management | 2 | 39 | 849 | 1,036 |
| 833 | Organizational learning | 1 | 39 | 1,023 | 641 |
| 833 | preventive medicine | 1 | 39 | 1,649 | 1,490 |
| 833 | Investment analysis | 3 | 39 | 1,019 | 1,209 |
| 839 | Philosophy | 7 | 38 | 1,066 | 1,048 |
| 839 | Multiple sclerosis | 2 | 38 | 674 | 622 |
| 839 | Chronic diseases | 2 | 38 | 673 | 861 |
| 842 | Data Mining | 3 | 37 | 1,078 | 1,436 |
| 842 | Neurogenetics | 2 | 37 | 413 | 478 |
| 842 | Bioinorganic chemistry | 1 | 37 | 1,927 | 1,757 |
| 845 | Obstetrics | 4 | 36 | 1,602 | 2,202 |
| 845 | Graph Theory | 1 | 36 | 1,204 | 654 |
| 845 | Municipal Engineering | 5 | 36 | 192 | 653 |
| 845 | Electromagnetism | 1 | 36 | 1,492 | 1,216 |
| 845 | Physical organic chemistry | 3 | 36 | 1,433 | 1,716 |
| 845 | Evolutionary economics | 1 | 36 | 338 | 244 |
| 845 | locomotion | 1 | 36 | 981 | 908 |
| 845 | posture | 1 | 36 | 981 | 908 |
| 845 | Semantic web | 2 | 36 | 119 | 172 |
| 845 | mental processes | 4 | 36 | 291 | 454 |
| 845 | Consciousness | 1 | 36 | 818 | 629 |
| 845 | gait | 1 | 36 | 981 | 908 |
| 845 | Entomology | 1 | 36 | 2,981 | 2,295 |
| 845 | walking | 1 | 36 | 981 | 908 |
| 845 | Population Dynamics | 1 | 36 | 360 | 298 |
| 860 | Conservation Biology | 1 | 35 | 1,632 | 1,507 |
| 860 | Religion | 7 | 35 | 542 | 674 |
| 860 | Immunochemistry | 1 | 35 | 1,369 | 1,206 |
| 860 | Law and Economics | 1 | 35 | 567 | 340 |
| 860 | Building | 2 | 35 | 689 | 652 |
| 860 | animal diseases | 1 | 35 | 842 | 751 |
| 860 | Fibers | 1 | 35 | 210 | 88 |
| 867 | Language Acquisition | 3 | 34 | 322 | 427 |
| 867 | Statistical Mechanics | 6 | 34 | 471 | 723 |
| 867 | Feminist theory | 2 | 34 | 276 | 266 |
| 867 | Adolescent | 2 | 34 | 2,251 | 2,349 |
| 867 | sports administration | 2 | 34 | 407 | 493 |
| 872 | Civil Engineering | 3 | 33 | 1,498 | 1,525 |
| 872 | Social Movements | 3 | 33 | 122 | 208 |
| 872 | Bioremediation | 3 | 33 | 876 | 1,510 |
| 872 | Collective behavior | 2 | 33 | 109 | 189 |
| 872 | Bibliometrics | 2 | 33 | 180 | 302 |
| 872 | Adolescent Psychology | 5 | 33 | 591 | 1,119 |
| 872 | Smoking | 1 | 33 | 1,058 | 1,082 |
| 872 | water reuse | 1 | 33 | 693 | 684 |
| 880 | Nursing | 2 | 32 | 2,151 | 2,108 |
| 880 | Product Design | 5 | 32 | 380 | 606 |
| 880 | Food Preservation | 1 | 32 | 1,353 | 1,054 |
| 880 | Supply Chain Management | 1 | 32 | 69 | 37 |
| 880 | speech therapy | 3 | 32 | 384 | 519 |
| 880 | Photochemistry | 2 | 32 | 1,912 | 2,265 |
| 880 | Neuroplasticity | 3 | 32 | 216 | 540 |
| 880 | nucleotides | 4 | 32 | 266 | 323 |
| 880 | International Business | 5 | 32 | 60 | 295 |
| 880 | Radio waves | 1 | 32 | 1,191 | 1,133 |
| 880 | probabilities | 4 | 32 | 1,176 | 1,255 |
| 891 | Environmental Education | 3 | 31 | 351 | 601 |
| 891 | Solitons | 4 | 31 | 1,073 | 1,677 |
| 891 | Harmonic Analysis | 2 | 31 | 197 | 290 |
| 891 | Fractals | 4 | 31 | 1,080 | 1,682 |
| 891 | Chaos | 4 | 31 | 1,073 | 1,677 |
| 891 | polar regions | 1 | 31 | 951 | 860 |
| 891 | clay minerals | 1 | 31 | 500 | 515 |
| 891 | nation-building | 1 | 31 | 79 | 72 |
| 899 | Speech-Language Pathology | 3 | 30 | 270 | 456 |
| 899 | Nanomedicine | 2 | 30 | 310 | 598 |
| 899 | Industrial Statistics | 3 | 30 | 210 | 239 |
| 899 | technology transfer | 4 | 30 | 179 | 573 |
| 899 | Entropy | 5 | 30 | 928 | 1,543 |
| 899 | community participation | 3 | 30 | 92 | 167 |
| 899 | automatic speech recognition | 3 | 30 | 128 | 296 |
| 899 | Faculty | 3 | 30 | 92 | 167 |
| 899 | Women's health | 5 | 30 | 891 | 1,701 |
| 899 | Liquid chromatography | 2 | 30 | 639 | 580 |
| 899 | Pregnancy | 3 | 30 | 789 | 1,217 |
| 910 | Information Theory | 3 | 29 | 1,338 | 1,634 |
| 910 | Asthma | 3 | 29 | 617 | 860 |
| 910 | Philosophy of Mind | 2 | 29 | 362 | 388 |
| 910 | Cryptography | 1 | 29 | 1,143 | 709 |
| 910 | plasma spraying | 1 | 29 | 411 | 384 |
| 910 | Autonomous robots | 1 | 29 | 330 | 377 |
| 916 | Industrial Microbiology | 4 | 28 | 1,637 | 2,801 |
| 916 | Surface-Active Agents | 2 | 28 | 1,365 | 1,947 |
| 916 | sanitation | 1 | 28 | 1,983 | 2,352 |
| 916 | Consumer Protection | 2 | 28 | 250 | 390 |
| 916 | Research methodology | 1 | 28 | 205 | 251 |
| 916 | Turbulence | 1 | 28 | 410 | 361 |
| 916 | neuronal plasticity | 2 | 28 | 126 | 357 |
| 916 | consumers | 2 | 28 | 493 | 711 |
| 916 | Customer Relations | 2 | 28 | 88 | 161 |
| 916 | educational planning | 2 | 28 | 545 | 752 |
| 926 | Fluid Mechanics | 4 | 27 | 1,281 | 1,843 |
| 926 | Semantics | 2 | 27 | 297 | 318 |
| 926 | Sustainable agriculture | 2 | 27 | 904 | 1,234 |
| 926 | hospice care | 2 | 27 | 630 | 789 |
| 926 | Artificial Organs | 2 | 27 | 659 | 741 |
| 926 | Urban Transportation | 1 | 27 | 302 | 231 |
| 926 | Biodegradation | 2 | 27 | 958 | 1,440 |
| 926 | Social Entrepreneurship | 1 | 27 | 311 | 356 |
| 926 | Feasibility studies | 4 | 27 | 217 | 291 |
| 926 | civilization | 10 | 27 | 546 | 673 |
| 926 | Latin America | 7 | 27 | 782 | 1,118 |
| 926 | Literacy | 2 | 27 | 386 | 450 |
| 926 | recreation | 2 | 27 | 821 | 885 |
| 926 | Leisure | 2 | 27 | 424 | 651 |
| 940 | Oceanography | 1 | 26 | 2,107 | 2,107 |
| 940 | Emerging infectious diseases | 2 | 26 | 402 | 705 |
| 940 | Financial Regulation | 1 | 26 | 99 | 54 |
| 940 | Family | 2 | 26 | 1,163 | 1,374 |
| 940 | families | 2 | 26 | 1,058 | 1,148 |
| 940 | Alzheimer's disease | 12 | 26 | 641 | 1,296 |
| 946 | Petroleum Engineering | 1 | 25 | 1,060 | 1,055 |
| 946 | Anatomy | 2 | 25 | 2,028 | 2,260 |
| 946 | Psychiatric Nursing | 2 | 25 | 825 | 1,020 |
| 946 | Cytogenetics | 2 | 25 | 1,342 | 1,778 |
| 946 | biofuels | 1 | 25 | 484 | 780 |
| 946 | microwave communication systems | 1 | 25 | 610 | 590 |
| 946 | psychophysics | 1 | 25 | 578 | 509 |
| 946 | Astrocytes | 2 | 25 | 498 | 836 |
| 946 | Marine resources | 1 | 25 | 1,148 | 1,227 |
| 946 | ports | 1 | 25 | 376 | 433 |
| 946 | Germany | 6 | 25 | 387 | 587 |
| 946 | Yeast | 2 | 25 | 516 | 776 |
| 946 | Microwave devices | 1 | 25 | 707 | 650 |
| 946 | Agriculture | 2 | 25 | 2,404 | 2,806 |
| 960 | Computer-Aided Design | 4 | 24 | 1,042 | 1,753 |
| 960 | Speech Perception | 1 | 24 | 572 | 612 |
| 960 | auditory perception | 1 | 24 | 684 | 706 |
| 960 | global environmental change | 1 | 24 | 1,254 | 1,520 |
| 960 | Documentation | 1 | 24 | 491 | 430 |
| 960 | language therapy | 2 | 24 | 199 | 264 |
| 960 | Oral communication | 1 | 24 | 770 | 703 |
| 960 | Cost effectiveness | 2 | 24 | 108 | 161 |
| 960 | industrial accidents | 2 | 24 | 18 | 26 |
| 969 | Experimental Design | 1 | 23 | 445 | 419 |
| 969 | orphan drugs | 1 | 23 | 155 | 46 |
| 969 | food handling | 2 | 23 | 1,126 | 1,803 |
| 969 | disabilities | 2 | 23 | 840 | 1,105 |
| 973 | Environmental Law | 1 | 22 | 1,602 | 1,986 |
| 973 | Ethnic Conflict | 2 | 22 | 334 | 513 |
| 973 | Evidence-Based Medicine | 1 | 22 | 1,234 | 1,276 |
| 973 | Electromagnetic waves | 1 | 22 | 599 | 519 |
| 973 | reasoning | 1 | 22 | 814 | 714 |
| 973 | Electrons | 3 | 22 | 79 | 127 |
| 973 | forced migration | 2 | 22 | 334 | 513 |
| 973 | Imaging systems | 2 | 22 | 1,060 | 1,104 |
| 981 | Systems Theory | 5 | 21 | 252 | 608 |
| 981 | Telecommunications | 3 | 21 | 830 | 1,239 |
| 981 | Nanoelectronics | 3 | 21 | 767 | 1,064 |
| 981 | Digital Media | 4 | 21 | 145 | 419 |
| 981 | Photogrammetry | 3 | 21 | 871 | 808 |
| 981 | Hematopoietic stem cell transplantation | 1 | 21 | 646 | 816 |
| 981 | Freeze-Drying | 1 | 21 | 673 | 723 |
| 981 | Hypothermia | 1 | 21 | 673 | 723 |
| 981 | Parasitology | 1 | 21 | 2,839 | 2,832 |
| 981 | Freeze Drying | 1 | 21 | 673 | 723 |
| 981 | Parasitic Diseases | 1 | 21 | 2,433 | 2,540 |
| 981 | Communication in medicine | 1 | 21 | 883 | 936 |
| 981 | construction | 4 | 21 | 156 | 427 |
| 981 | Japan | 1 | 21 | 2,642 | 2,394 |
| 981 | Parasites | 1 | 21 | 2,153 | 2,192 |
| 981 | Semiconductor industry | 3 | 21 | 563 | 880 |
| 981 | Allergies | 1 | 21 | 271 | 308 |
| 998 | Nuclear Engineering | 3 | 20 | 1,380 | 1,734 |
| 998 | Andrology | 3 | 20 | 549 | 948 |
| 998 | solar power | 1 | 20 | 1,289 | 1,564 |