| 1 | Astrophysics | 575 | 80.5K | 257 | 152 |
| 2 | Astronomy | 1,008 | 80.5K | 137 | 113 |
| 3 | Quantum Gravity | 552 | 47.5K | 101 | 37 |
| 4 | Nuclear Physics | 492 | 45.1K | 401 | 191 |
| 5 | Spectrum analysis | 321 | 42.0K | 305 | 155 |
| 6 | Physics | 286 | 31.0K | 1,010 | 678 |
| 7 | Biology | 282 | 22.6K | 756 | 692 |
| 8 | Science | 281 | 20.4K | 822 | 751 |
| 9 | Psychology | 325 | 13.0K | 287 | 267 |
| 10 | Biochemistry | 289 | 12.0K | 973 | 861 |
| 11 | Natural history | 72 | 11.1K | 527 | 626 |
| 12 | Medicine | 262 | 10.4K | 916 | 892 |
| 13 | Geology | 301 | 9.7K | 178 | 220 |
| 14 | Ecology | 153 | 8.5K | 774 | 738 |
| 15 | Mathematical Physics | 33 | 7.6K | 945 | 177 |
| 16 | Chemistry | 141 | 7.5K | 1,672 | 1,353 |
| 17 | Pollution | 88 | 7.0K | 922 | 656 |
| 18 | Economics | 220 | 6.9K | 355 | 304 |
| 19 | Research | 208 | 6.6K | 884 | 880 |
| 20 | Neural circuitry | 47 | 6.5K | 263 | 55 |
| 21 | Cognition | 168 | 6.5K | 115 | 137 |
| 22 | Criminal psychology | 211 | 6.4K | 4 | 17 |
| 23 | management | 179 | 6.3K | 216 | 378 |
| 24 | Molecular Biology | 123 | 5.4K | 1,236 | 1,185 |
| 25 | Behavior | 104 | 5.3K | 400 | 395 |
| 26 | Sociology | 113 | 5.1K | 308 | 243 |
| 27 | Paleontology | 180 | 5.0K | 37 | 34 |
| 28 | Composite Materials | 68 | 4.9K | 466 | 301 |
| 29 | Public Health | 109 | 4.7K | 686 | 587 |
| 30 | Environmental Health | 72 | 4.6K | 945 | 708 |
| 31 | environmental pollution | 74 | 4.5K | 753 | 570 |
| 32 | Neurology | 50 | 4.4K | 1,159 | 831 |
| 33 | Environment | 108 | 4.3K | 692 | 937 |
| 34 | Botany | 128 | 4.2K | 546 | 621 |
| 35 | Signal Processing | 18 | 4.2K | 1,075 | 311 |
| 36 | International Finance | 91 | 4.2K | 80 | 42 |
| 37 | Business | 83 | 4.1K | 200 | 285 |
| 38 | Tourism | 69 | 3.9K | 152 | 148 |
| 39 | Sports Medicine | 122 | 3.6K | 233 | 268 |
| 40 | Physiology | 123 | 3.6K | 548 | 616 |
| 41 | Electrochemistry | 66 | 3.5K | 956 | 527 |
| 42 | Fisheries | 104 | 3.4K | 120 | 115 |
| 43 | finance | 80 | 3.3K | 293 | 227 |
| 44 | Evolution | 29 | 3.3K | 534 | 331 |
| 45 | biological evolution | 25 | 3.2K | 634 | 402 |
| 46 | United States | 88 | 3.2K | 761 | 605 |
| 47 | Geomorphology | 65 | 3.2K | 139 | 126 |
| 48 | Sports | 106 | 3.1K | 199 | 218 |
| 49 | Operations Research | 89 | 3.0K | 243 | 236 |
| 50 | Toxicology | 33 | 3.0K | 1,371 | 717 |
| 51 | Marine Biology | 88 | 3.0K | 360 | 364 |
| 52 | Chemical Engineering | 28 | 2.9K | 1,709 | 983 |
| 53 | Artificial Intelligence | 88 | 2.9K | 508 | 534 |
| 54 | Medical Anthropology | 37 | 2.8K | 239 | 178 |
| 55 | Biocompatible Materials | 73 | 2.7K | 740 | 886 |
| 56 | Geography | 77 | 2.7K | 270 | 266 |
| 57 | Meteorology | 42 | 2.7K | 497 | 409 |
| 58 | Biodegradation | 60 | 2.6K | 8 | 11 |
| 59 | Cytology | 37 | 2.6K | 1,130 | 940 |
| 60 | Law | 128 | 2.6K | 52 | 23 |
| 61 | Social Sciences | 86 | 2.6K | 428 | 330 |
| 62 | Cell Biology | 29 | 2.6K | 1,185 | 946 |
| 63 | Earth Sciences | 72 | 2.6K | 531 | 507 |
| 64 | Fishery resources | 90 | 2.6K | 8 | 19 |
| 65 | Environmental Engineering | 25 | 2.5K | 1,245 | 655 |
| 65 | Psychophysiology | 58 | 2.5K | 598 | 569 |
| 67 | Surgery | 38 | 2.5K | 367 | 448 |
| 68 | marketing | 62 | 2.5K | 278 | 350 |
| 69 | Environmental Policy | 70 | 2.5K | 461 | 589 |
| 70 | Energy Policy | 34 | 2.5K | 673 | 458 |
| 71 | Environmental Management | 69 | 2.5K | 361 | 489 |
| 72 | sanitation | 20 | 2.5K | 530 | 404 |
| 73 | Cybernetics | 56 | 2.4K | 205 | 227 |
| 74 | Transport | 87 | 2.4K | 11 | 37 |
| 75 | Materials | 74 | 2.4K | 1,414 | 1,366 |
| 76 | Sea | 85 | 2.4K | 10 | 21 |
| 77 | Forensic Psychology | 73 | 2.3K | 8 | 4 |
| 78 | Biotechnology | 52 | 2.3K | 1,379 | 1,328 |
| 79 | Water pollution | 83 | 2.2K | 343 | 545 |
| 80 | Geophysics | 63 | 2.2K | 780 | 728 |
| 81 | Biomedical Engineering | 63 | 2.2K | 1,006 | 955 |
| 82 | Climatology | 33 | 2.2K | 440 | 308 |
| 83 | Bioremediation | 45 | 2.1K | 17 | 8 |
| 84 | Human Geography | 36 | 2.1K | 225 | 125 |
| 85 | Pharmacology | 71 | 2.1K | 1,048 | 1,082 |
| 86 | Polymers | 44 | 2.0K | 1,348 | 949 |
| 87 | human behavior | 49 | 2.0K | 492 | 620 |
| 88 | Surface Chemistry | 48 | 2.0K | 1,034 | 907 |
| 89 | Biophysics | 66 | 1.9K | 1,227 | 1,287 |
| 90 | Autism spectrum disorders | 7 | 1.9K | 12 | 1 |
| 91 | Molecular structure | 24 | 1.9K | 769 | 358 |
| 92 | Bacteriology | 44 | 1.9K | 394 | 442 |
| 93 | Jurisprudence | 40 | 1.9K | 147 | 40 |
| 94 | Animal Behavior | 51 | 1.8K | 410 | 445 |
| 95 | Analytical Chemistry | 24 | 1.8K | 1,717 | 1,070 |
| 96 | Europe | 104 | 1.8K | 325 | 416 |
| 97 | Mycology | 85 | 1.8K | 135 | 248 |
| 98 | energy resources | 18 | 1.8K | 428 | 331 |
| 99 | Manufacturing Processes | 43 | 1.7K | 493 | 359 |
| 100 | Criminology | 94 | 1.7K | 71 | 126 |
| 101 | Microbiology | 59 | 1.7K | 1,395 | 1,609 |
| 102 | Zeolites | 5 | 1.7K | 717 | 86 |
| 103 | Economic History | 104 | 1.7K | 316 | 444 |
| 104 | Learning | 53 | 1.7K | 195 | 267 |
| 105 | Environmental Chemistry | 15 | 1.7K | 816 | 505 |
| 106 | Catalysis | 21 | 1.7K | 1,601 | 1,162 |
| 107 | Child Development | 45 | 1.7K | 387 | 397 |
| 108 | Geochemistry | 49 | 1.6K | 479 | 527 |
| 109 | Fungi | 75 | 1.6K | 76 | 198 |
| 110 | Fracture mechanics | 45 | 1.6K | 261 | 198 |
| 111 | Engineering | 55 | 1.6K | 849 | 643 |
| 112 | Social Psychology | 56 | 1.6K | 424 | 523 |
| 113 | Metallurgy | 51 | 1.6K | 439 | 424 |
| 114 | Colloids | 32 | 1.5K | 1,276 | 1,083 |
| 115 | Oncology | 7 | 1.5K | 1,171 | 811 |
| 116 | nucleic acids | 34 | 1.5K | 446 | 529 |
| 117 | Ethology | 35 | 1.5K | 397 | 425 |
| 118 | Renewable Energy Sources | 16 | 1.5K | 1,141 | 901 |
| 119 | Social Change | 21 | 1.5K | 214 | 182 |
| 120 | Cosmology | 18 | 1.5K | 191 | 79 |
| 121 | Building Materials | 25 | 1.5K | 573 | 503 |
| 122 | city planning | 29 | 1.4K | 386 | 233 |
| 123 | Environmental monitoring | 46 | 1.4K | 832 | 1,068 |
| 124 | Education | 80 | 1.4K | 564 | 630 |
| 124 | Neurophysiology | 34 | 1.4K | 799 | 813 |
| 126 | Cognitive neuroscience | 22 | 1.4K | 321 | 294 |
| 127 | Australia | 29 | 1.4K | 366 | 166 |
| 128 | Sustainable Development | 29 | 1.3K | 360 | 395 |
| 129 | biocatalysis | 2 | 1.3K | 225 | 107 |
| 129 | Homogeneous catalysis | 2 | 1.3K | 225 | 107 |
| 129 | Heterogeneous catalysis | 2 | 1.3K | 225 | 107 |
| 132 | Cognitive Science | 26 | 1.3K | 387 | 355 |
| 133 | police | 98 | 1.3K | 3 | 10 |
| 134 | Public Administration | 61 | 1.3K | 166 | 215 |
| 135 | Virology | 7 | 1.3K | 1,605 | 961 |
| 136 | Production Engineering | 31 | 1.3K | 482 | 283 |
| 137 | animals | 23 | 1.3K | 307 | 108 |
| 138 | Developing countries | 53 | 1.2K | 308 | 419 |
| 139 | Regional Planning | 36 | 1.2K | 340 | 299 |
| 140 | Systems Engineering | 34 | 1.2K | 466 | 386 |
| 141 | body temperature | 15 | 1.2K | 83 | 10 |
| 142 | Quality of life | 3 | 1.2K | 1,380 | 273 |
| 143 | Nonverbal Communication | 12 | 1.2K | 49 | 13 |
| 143 | Body language | 12 | 1.2K | 10 | 6 |
| 145 | Paleoecology | 31 | 1.2K | 244 | 238 |
| 146 | Robotics | 44 | 1.2K | 308 | 339 |
| 146 | Electronics | 43 | 1.2K | 884 | 785 |
| 148 | Health Policy | 43 | 1.1K | 444 | 452 |
| 149 | Public Policy | 38 | 1.1K | 330 | 343 |
| 150 | human development | 27 | 1.1K | 167 | 171 |
| 151 | polymerization | 29 | 1.1K | 1,406 | 1,082 |
| 152 | Communication | 30 | 1.1K | 548 | 512 |
| 153 | Psychiatry | 54 | 1.1K | 869 | 1,137 |
| 154 | Coastal zone management | 33 | 1.1K | 50 | 54 |
| 155 | Energy Conversion | 3 | 1.1K | 1,188 | 542 |
| 156 | Mathematics | 76 | 1.1K | 1,531 | 1,357 |
| 157 | China | 29 | 1.1K | 752 | 491 |
| 158 | Engineering Mathematics | 41 | 1.1K | 321 | 267 |
| 159 | Petrology | 26 | 1.0K | 330 | 344 |
| 160 | Astrocytes | 9 | 1.0K | 228 | 134 |
| 161 | Economic Development | 23 | 1.0K | 438 | 427 |
| 162 | Paleoclimatology | 24 | 1.0K | 327 | 315 |
| 163 | Developmental Psychology | 19 | 1.0K | 335 | 313 |
| 164 | Crime prevention | 64 | 995 | 6 | 7 |
| 164 | econometric models | 5 | 995 | 447 | 42 |
| 166 | Pharmacy | 35 | 994 | 476 | 500 |
| 166 | Intelligent Transportation Systems | 17 | 994 | 360 | 269 |
| 168 | Biomechanics | 32 | 983 | 281 | 312 |
| 169 | nuclear astrophysics | 13 | 943 | 182 | 101 |
| 170 | Information Science | 30 | 934 | 621 | 687 |
| 171 | Paleogeography | 20 | 932 | 313 | 255 |
| 172 | computer networks | 21 | 927 | 883 | 658 |
| 173 | Memory | 35 | 904 | 421 | 516 |
| 174 | biological monitoring | 23 | 900 | 50 | 50 |
| 175 | Autism | 15 | 893 | 232 | 189 |
| 176 | Human Resources | 19 | 890 | 75 | 96 |
| 177 | economic policy | 73 | 876 | 267 | 426 |
| 178 | Detectors | 25 | 874 | 371 | 280 |
| 179 | Anatomy | 30 | 873 | 535 | 549 |
| 180 | Pharmaceutical Chemistry | 33 | 866 | 1,089 | 1,185 |
| 181 | Exercise | 40 | 856 | 238 | 307 |
| 182 | Technological Innovations | 9 | 854 | 501 | 165 |
| 183 | Sports Psychology | 21 | 853 | 9 | 14 |
| 184 | pollutants | 23 | 848 | 507 | 545 |
| 184 | Environmental pollutants | 23 | 848 | 654 | 648 |
| 186 | Child psychology | 18 | 846 | 534 | 536 |
| 186 | personality | 24 | 846 | 495 | 563 |
| 188 | Immunology | 12 | 840 | 1,396 | 1,075 |
| 188 | Bioorganic chemistry | 14 | 840 | 1,325 | 919 |
| 190 | Primates | 23 | 839 | 158 | 134 |
| 191 | investigative techniques | 34 | 838 | 3 | 12 |
| 192 | crime | 50 | 836 | 67 | 145 |
| 193 | Marine Pollution | 26 | 832 | 286 | 362 |
| 194 | Entrepreneurship | 19 | 825 | 229 | 383 |
| 195 | world | 11 | 820 | 290 | 238 |
| 196 | Bioengineering | 32 | 818 | 1,232 | 1,588 |
| 197 | rehabilitation | 21 | 814 | 667 | 588 |
| 198 | Algae | 30 | 810 | 149 | 197 |
| 199 | Vocational guidance | 6 | 808 | 614 | 304 |
| 200 | Meteorites | 24 | 802 | 317 | 428 |
| 201 | Zoology | 35 | 800 | 694 | 654 |
| 202 | Transportation | 20 | 797 | 558 | 493 |
| 203 | natural products | 37 | 781 | 336 | 401 |
| 204 | Multimedia Systems | 29 | 780 | 410 | 325 |
| 205 | Money | 17 | 777 | 19 | 32 |
| 206 | Forensic Psychiatry | 50 | 775 | 41 | 75 |
| 207 | Drug delivery systems | 10 | 771 | 801 | 517 |
| 207 | Emotions | 10 | 771 | 290 | 218 |
| 209 | Small Business | 14 | 769 | 239 | 358 |
| 210 | Oceanography | 27 | 768 | 546 | 584 |
| 210 | Investment analysis | 14 | 768 | 242 | 125 |
| 212 | Community Psychology | 12 | 761 | 228 | 174 |
| 213 | Mental Disorders | 38 | 759 | 634 | 969 |
| 214 | Atmospheric Physics | 13 | 752 | 696 | 546 |
| 215 | Automation | 18 | 751 | 916 | 852 |
| 216 | Telecommunication | 28 | 748 | 815 | 825 |
| 217 | Epidemiology | 26 | 747 | 1,092 | 1,078 |
| 218 | United Kingdom | 38 | 746 | 313 | 499 |
| 219 | Mineralogy | 24 | 740 | 476 | 456 |
| 220 | Information Technology | 25 | 737 | 633 | 721 |
| 221 | Mass Spectrometry | 5 | 723 | 875 | 319 |
| 221 | Corporate governance | 19 | 723 | 53 | 79 |
| 223 | Social behavior | 18 | 717 | 418 | 400 |
| 224 | Planets | 9 | 716 | 846 | 668 |
| 225 | Immunity | 5 | 715 | 1,162 | 853 |
| 226 | Materials Science | 19 | 710 | 1,907 | 1,711 |
| 227 | Growth | 11 | 692 | 517 | 527 |
| 228 | Water | 18 | 691 | 979 | 1,109 |
| 229 | Marine resources | 27 | 690 | 82 | 106 |
| 230 | Ergonomics | 21 | 689 | 284 | 217 |
| 231 | Microscopy | 20 | 687 | 385 | 276 |
| 232 | Environmental Microbiology | 22 | 676 | 364 | 566 |
| 233 | Cancer | 17 | 671 | 1,154 | 1,204 |
| 234 | Development | 15 | 670 | 255 | 264 |
| 235 | health services accessibility | 22 | 660 | 229 | 211 |
| 235 | Memory disorders | 27 | 660 | 15 | 46 |
| 237 | Statistical physics | 46 | 650 | 994 | 1,228 |
| 238 | Economic Assistance | 16 | 648 | 196 | 245 |
| 239 | Production Management | 12 | 626 | 523 | 598 |
| 240 | Agriculture | 13 | 625 | 907 | 649 |
| 241 | Business Ethics | 13 | 624 | 393 | 552 |
| 242 | Immunotherapy | 4 | 619 | 1,329 | 720 |
| 243 | Waste management | 36 | 617 | 203 | 288 |
| 243 | local government | 9 | 617 | 149 | 62 |
| 245 | Immune system | 2 | 616 | 954 | 526 |
| 246 | Logistics | 3 | 610 | 571 | 161 |
| 247 | Auditing | 11 | 605 | 118 | 93 |
| 248 | Solid State Physics | 19 | 598 | 1,756 | 1,428 |
| 249 | Mechanical Engineering | 38 | 597 | 612 | 613 |
| 250 | Condensed Matter | 19 | 596 | 1,392 | 1,228 |
| 251 | Quality Control | 17 | 590 | 526 | 477 |
| 252 | Geriatrics | 19 | 586 | 1,003 | 901 |
| 253 | Neuropsychology | 14 | 578 | 995 | 834 |
| 253 | Africa | 38 | 578 | 225 | 238 |
| 255 | Developmental Biology | 23 | 576 | 607 | 874 |
| 256 | Microbial Ecology | 13 | 575 | 1,008 | 1,112 |
| 257 | Intellectual disability | 15 | 565 | 304 | 242 |
| 258 | Plastics | 12 | 562 | 812 | 456 |
| 259 | Fuzzy systems | 24 | 561 | 355 | 267 |
| 260 | Physical Geography | 5 | 560 | 355 | 100 |
| 260 | Image Processing | 18 | 560 | 898 | 897 |
| 262 | Water Microbiology | 17 | 559 | 38 | 64 |
| 262 | Fouling | 17 | 559 | 20 | 40 |
| 264 | Qualitative Research | 7 | 555 | 294 | 133 |
| 265 | Asia | 32 | 549 | 587 | 599 |
| 266 | Cell differentiation | 9 | 546 | 788 | 790 |
| 267 | environmental protection | 27 | 545 | 1,097 | 1,528 |
| 268 | Higher Education | 24 | 542 | 103 | 113 |
| 269 | Archaeology | 5 | 531 | 1,005 | 378 |
| 269 | ecosystem | 21 | 531 | 415 | 610 |
| 271 | Developmental Disabilities | 10 | 525 | 492 | 419 |
| 272 | biological factors | 15 | 522 | 765 | 670 |
| 273 | Health | 10 | 521 | 1,051 | 706 |
| 274 | Hydrology | 22 | 520 | 838 | 957 |
| 274 | Food service management | 15 | 520 | 91 | 184 |
| 274 | Electrochemical Analysis | 13 | 520 | 752 | 545 |
| 277 | industrial relations | 39 | 514 | 129 | 212 |
| 278 | commerce | 23 | 511 | 373 | 564 |
| 279 | Food | 17 | 503 | 1,318 | 1,435 |
| 280 | drugs | 13 | 502 | 862 | 712 |
| 281 | Environmental Psychology | 11 | 499 | 103 | 177 |
| 282 | Humanities | 99 | 493 | 21 | 255 |
| 283 | Speech | 9 | 491 | 485 | 369 |
| 284 | Ocean Engineering | 22 | 487 | 601 | 711 |
| 285 | Aquaculture | 18 | 483 | 532 | 537 |
| 286 | Environmental Geology | 17 | 482 | 565 | 607 |
| 287 | Brain | 16 | 481 | 1,093 | 1,121 |
| 288 | Nutrition | 18 | 476 | 1,614 | 1,817 |
| 288 | Computational Intelligence | 12 | 476 | 193 | 116 |
| 290 | Numerical Analysis | 12 | 474 | 1,285 | 740 |
| 291 | Neurobiology | 9 | 473 | 879 | 843 |
| 291 | Research Design | 11 | 473 | 516 | 451 |
| 293 | Technology | 31 | 470 | 1,148 | 1,454 |
| 294 | Speech Perception | 7 | 468 | 187 | 125 |
| 294 | auditory perception | 7 | 468 | 229 | 139 |
| 294 | System analysis | 35 | 468 | 554 | 888 |
| 294 | Oral communication | 7 | 468 | 231 | 92 |
| 298 | Information Systems | 15 | 463 | 466 | 433 |
| 298 | Sites | 3 | 463 | 527 | 235 |
| 300 | food technology | 8 | 457 | 1,587 | 1,189 |
| 301 | Sedimentology | 10 | 456 | 251 | 221 |
| 302 | Organic Chemistry | 36 | 453 | 998 | 1,364 |
| 303 | Molecular Pharmacology | 6 | 452 | 563 | 401 |
| 303 | Clinical Pharmacology | 10 | 452 | 640 | 450 |
| 303 | Engineering Geology | 41 | 452 | 254 | 584 |
| 306 | drug therapy | 14 | 450 | 837 | 820 |
| 307 | Land Use Planning | 10 | 449 | 135 | 145 |
| 308 | Molecular Genetics | 11 | 448 | 892 | 890 |
| 309 | Decision making | 24 | 446 | 362 | 536 |
| 310 | Human-Computer Interaction | 18 | 445 | 459 | 562 |
| 311 | Radio | 27 | 444 | 442 | 652 |
| 312 | Nanotechnology | 23 | 443 | 1,897 | 2,373 |
| 313 | Neuroplasticity | 12 | 438 | 36 | 34 |
| 313 | food handling | 7 | 438 | 507 | 352 |
| 315 | Child | 10 | 437 | 1,149 | 874 |
| 316 | sports administration | 14 | 436 | 63 | 59 |
| 317 | Genomics | 6 | 434 | 1,917 | 1,331 |
| 318 | Aging | 16 | 428 | 1,023 | 1,045 |
| 319 | Signal Transduction | 1 | 426 | 1,752 | 746 |
| 320 | Production Planning | 7 | 421 | 118 | 86 |
| 320 | Process Control | 6 | 421 | 639 | 558 |
| 320 | Production Control | 7 | 421 | 117 | 86 |
| 323 | Green Chemistry | 6 | 419 | 1,246 | 1,043 |
| 324 | Clinical Chemistry | 15 | 413 | 1,090 | 1,233 |
| 324 | Wildlife conservation | 11 | 413 | 536 | 605 |
| 326 | Health Education | 16 | 412 | 703 | 649 |
| 327 | Neurochemistry | 13 | 409 | 1,078 | 1,096 |
| 328 | Metabolic diseases | 3 | 403 | 1,664 | 1,102 |
| 329 | Water quality management | 23 | 399 | 513 | 624 |
| 330 | Marine Ecology | 20 | 398 | 207 | 238 |
| 331 | Industrial Safety | 12 | 397 | 462 | 413 |
| 332 | Biodiversity | 9 | 393 | 1,243 | 993 |
| 333 | violence | 17 | 390 | 344 | 444 |
| 334 | Language Disorders | 12 | 387 | 369 | 300 |
| 334 | Water Purification | 21 | 387 | 284 | 338 |
| 334 | Speech Disorders | 12 | 387 | 477 | 434 |
| 337 | Medical genetics | 9 | 383 | 1,165 | 1,224 |
| 338 | Educational Technology | 14 | 380 | 631 | 652 |
| 339 | biological agents | 33 | 375 | 38 | 9 |
| 340 | Computer-Aided Design | 9 | 374 | 635 | 429 |
| 341 | Linguistics | 14 | 372 | 582 | 474 |
| 342 | speech therapy | 11 | 370 | 176 | 134 |
| 343 | Mineral resources | 11 | 369 | 168 | 255 |
| 344 | International Relations | 15 | 368 | 405 | 336 |
| 345 | Electrical Engineering | 22 | 363 | 1,255 | 1,052 |
| 345 | Statistics | 10 | 363 | 1,480 | 965 |
| 347 | Dietetics | 10 | 362 | 291 | 249 |
| 348 | Communication Disorders | 9 | 360 | 116 | 72 |
| 349 | Drug design | 8 | 359 | 858 | 700 |
| 350 | Arts | 79 | 358 | 3 | 31 |
| 350 | Biochemical Engineering | 8 | 358 | 1,989 | 2,128 |
| 350 | impact | 9 | 358 | 141 | 147 |
| 353 | Mechatronics | 8 | 357 | 487 | 355 |
| 354 | Biodiversity conservation | 6 | 352 | 1,096 | 1,134 |
| 355 | Genetic regulation | 8 | 349 | 577 | 583 |
| 356 | Genetics | 10 | 342 | 1,731 | 1,830 |
| 357 | Embryology | 13 | 341 | 640 | 822 |
| 358 | Medical Technology | 10 | 339 | 742 | 670 |
| 359 | Industrial Microbiology | 5 | 335 | 1,462 | 1,113 |
| 360 | Intelligent Control Systems | 15 | 333 | 340 | 210 |
| 361 | Leadership | 6 | 332 | 319 | 337 |
| 361 | Social policy | 21 | 332 | 268 | 343 |
| 363 | Learning disabilities | 14 | 328 | 347 | 346 |
| 363 | sustainability | 5 | 328 | 631 | 533 |
| 363 | natural disasters | 11 | 328 | 556 | 595 |
| 366 | Soil Science | 12 | 327 | 889 | 1,009 |
| 367 | Recycling | 3 | 326 | 602 | 478 |
| 368 | Endocrinology | 9 | 318 | 1,452 | 1,485 |
| 368 | Marine Biotechnology | 5 | 318 | 126 | 69 |
| 368 | Anxiety Disorders | 3 | 318 | 470 | 370 |
| 368 | Anxiety | 3 | 318 | 470 | 367 |
| 372 | Econometrics | 16 | 316 | 542 | 577 |
| 372 | drug evaluation | 4 | 316 | 1,057 | 556 |
| 374 | Fishery management | 11 | 314 | 356 | 306 |
| 375 | Biomass Energy | 7 | 313 | 1,632 | 1,586 |
| 376 | Obesity | 8 | 312 | 1,033 | 1,046 |
| 377 | Seaweed | 12 | 311 | 229 | 317 |
| 378 | Radio waves | 11 | 308 | 448 | 498 |
| 379 | Documentation | 3 | 307 | 258 | 109 |
| 380 | Food Policy | 5 | 303 | 209 | 171 |
| 380 | agricultural policy | 5 | 303 | 149 | 142 |
| 380 | organization | 10 | 303 | 377 | 556 |
| 383 | Homeostasis | 1 | 299 | 612 | 561 |
| 383 | Cell metabolism | 1 | 299 | 1,017 | 615 |
| 385 | corrections | 16 | 296 | 33 | 35 |
| 386 | Organizational Behavior | 7 | 295 | 351 | 433 |
| 386 | women | 34 | 295 | 85 | 184 |
| 388 | Genetic engineering | 10 | 294 | 1,029 | 1,129 |
| 388 | taxation | 6 | 294 | 103 | 58 |
| 390 | Cheminformatics | 2 | 293 | 417 | 212 |
| 390 | administrative agencies | 24 | 293 | 38 | 113 |
| 392 | Organizational change | 27 | 292 | 66 | 320 |
| 392 | Natural resources | 11 | 292 | 325 | 420 |
| 392 | Plants | 14 | 292 | 923 | 1,193 |
| 395 | Agricultural Economics | 11 | 291 | 29 | 39 |
| 396 | Computer Science | 22 | 290 | 584 | 755 |
| 396 | Metabolism | 11 | 290 | 1,140 | 1,398 |
| 396 | Depression | 2 | 290 | 409 | 259 |
| 396 | Gene expression regulation | 8 | 290 | 496 | 507 |
| 396 | organizational effectiveness | 7 | 290 | 211 | 148 |
| 401 | Corporate Social Responsibility | 7 | 289 | 95 | 190 |
| 401 | environmental auditing | 7 | 289 | 102 | 192 |
| 403 | polar regions | 10 | 287 | 278 | 259 |
| 404 | Biogeochemistry | 9 | 286 | 598 | 712 |
| 404 | Nervous system | 16 | 286 | 957 | 1,322 |
| 406 | Molecules | 2 | 284 | 1,723 | 678 |
| 407 | Physical Chemistry | 8 | 283 | 1,384 | 1,215 |
| 407 | Aggression | 11 | 283 | 187 | 293 |
| 409 | Medical Ethics | 11 | 281 | 530 | 377 |
| 410 | European integration | 11 | 279 | 91 | 109 |
| 410 | European Economic Community | 11 | 279 | 91 | 109 |
| 412 | Biopharmaceutics | 6 | 277 | 702 | 631 |
| 412 | Pharmaceutical Technology | 13 | 277 | 699 | 862 |
| 412 | Respiration | 13 | 277 | 623 | 807 |
| 415 | Mobile Computing | 13 | 276 | 434 | 515 |
| 416 | Petroleum Engineering | 11 | 274 | 310 | 321 |
| 416 | Dynamics | 13 | 274 | 752 | 628 |
| 418 | Molecular evolution | 7 | 273 | 870 | 926 |
| 419 | Food preferences | 9 | 272 | 160 | 208 |
| 420 | Psychopharmacology | 11 | 271 | 697 | 864 |
| 420 | corporate culture | 6 | 271 | 61 | 65 |
| 422 | Work | 4 | 270 | 297 | 127 |
| 423 | health behavior | 4 | 266 | 742 | 464 |
| 424 | Sociolinguistics | 5 | 265 | 343 | 184 |
| 425 | Feminism | 10 | 263 | 255 | 195 |
| 426 | Cognitive Therapy | 4 | 261 | 510 | 312 |
| 427 | Sustainable Engineering | 5 | 260 | 1,271 | 1,069 |
| 428 | Earthquake Engineering | 10 | 259 | 753 | 796 |
| 428 | Perception | 13 | 259 | 769 | 889 |
| 430 | motivation | 2 | 257 | 453 | 207 |
| 431 | Medical Laboratory Science | 11 | 256 | 962 | 1,299 |
| 431 | Mental Health Services | 5 | 256 | 833 | 557 |
| 433 | Plant Ecology | 6 | 255 | 1,213 | 1,167 |
| 434 | educational innovations | 6 | 254 | 305 | 249 |
| 435 | Social problems | 10 | 252 | 283 | 364 |
| 435 | recreation | 6 | 252 | 467 | 259 |
| 437 | plasticity | 3 | 251 | 326 | 275 |
| 438 | Consciousness | 4 | 250 | 428 | 234 |
| 439 | Structural Engineering | 17 | 249 | 666 | 853 |
| 440 | Telecommunication Systems | 8 | 246 | 1,004 | 724 |
| 441 | Middle East | 11 | 245 | 434 | 283 |
| 441 | Culture | 28 | 245 | 232 | 353 |
| 443 | Prisons | 16 | 244 | 57 | 62 |
| 444 | Computer Graphics | 11 | 243 | 861 | 879 |
| 444 | Eastern Europe | 16 | 243 | 204 | 180 |
| 446 | educational planning | 3 | 241 | 409 | 220 |
| 447 | Job satisfaction | 2 | 240 | 145 | 98 |
| 447 | job stress | 2 | 240 | 145 | 98 |
| 449 | Climate change | 1 | 239 | 1,426 | 1,067 |
| 449 | Eutrophication | 1 | 239 | 1,287 | 1,054 |
| 449 | proteins | 12 | 239 | 941 | 1,110 |
| 452 | Solid State Chemistry | 9 | 238 | 1,607 | 1,414 |
| 453 | mass transfer | 5 | 237 | 1,353 | 1,096 |
| 453 | Imaging systems | 2 | 237 | 1,060 | 195 |
| 455 | Wireless Communication Systems | 15 | 235 | 1,092 | 1,278 |
| 455 | Nonlinear Dynamics | 20 | 235 | 839 | 1,109 |
| 457 | Reproduction | 9 | 234 | 1,207 | 1,176 |
| 458 | Cell death | 1 | 231 | 1,343 | 880 |
| 459 | Anthropology | 12 | 230 | 723 | 708 |
| 460 | Organizational Sociology | 8 | 229 | 162 | 183 |
| 461 | Environmental Toxicology | 5 | 228 | 1,870 | 1,698 |
| 461 | health planning | 12 | 228 | 1,064 | 1,085 |
| 463 | Mental illness | 9 | 226 | 968 | 1,204 |
| 464 | Computational Biology | 9 | 225 | 1,359 | 1,455 |
| 464 | Strategic planning | 11 | 225 | 273 | 451 |
| 466 | water supply | 15 | 224 | 332 | 616 |
| 467 | Pediatrics | 3 | 223 | 1,865 | 1,345 |
| 468 | Environmental Economics | 8 | 220 | 136 | 166 |
| 468 | Bioethics | 7 | 220 | 570 | 375 |
| 468 | Informatics | 6 | 220 | 578 | 510 |
| 471 | Urban Policy | 7 | 219 | 488 | 519 |
| 472 | Ophthalmology | 3 | 218 | 1,429 | 970 |
| 473 | language | 4 | 217 | 711 | 510 |
| 474 | Control Theory | 10 | 216 | 1,020 | 931 |
| 474 | alcoholism | 6 | 216 | 901 | 837 |
| 476 | Mental Health | 11 | 215 | 744 | 818 |
| 477 | Educational Psychology | 11 | 214 | 722 | 873 |
| 478 | Career development | 8 | 212 | 170 | 148 |
| 478 | counseling | 9 | 212 | 715 | 669 |
| 480 | Rural Development | 6 | 211 | 294 | 304 |
| 480 | Radiation | 8 | 211 | 1,333 | 1,091 |
| 482 | Evolutionary Computation | 4 | 210 | 376 | 416 |
| 483 | drug addiction | 5 | 209 | 750 | 721 |
| 484 | Human genetics | 3 | 208 | 1,407 | 1,712 |
| 485 | Genetic algorithms | 3 | 207 | 314 | 328 |
| 486 | Economic Geography | 8 | 206 | 169 | 185 |
| 486 | Magnetic Resonance Spectroscopy | 29 | 206 | 308 | 580 |
| 488 | Public opinion | 2 | 205 | 519 | 259 |
| 488 | Teaching | 8 | 205 | 1,046 | 926 |
| 490 | Critical Care | 4 | 204 | 999 | 1,010 |
| 490 | Machine Learning | 2 | 204 | 413 | 193 |
| 490 | nuclear magnetic resonance spectroscopy | 32 | 204 | 103 | 341 |
| 490 | disabilities | 6 | 204 | 434 | 375 |
| 494 | Medical Physics | 7 | 203 | 969 | 968 |
| 494 | France | 37 | 203 | 35 | 92 |
| 496 | Geomagnetism | 7 | 202 | 395 | 376 |
| 497 | Paleobiology | 8 | 201 | 165 | 85 |
| 498 | History | 50 | 200 | 137 | 191 |
| 498 | viruses | 2 | 200 | 1,329 | 990 |
| 498 | Metals | 3 | 200 | 1,933 | 1,246 |
| 501 | color | 1 | 199 | 490 | 85 |
| 502 | Consumer education | 2 | 198 | 491 | 243 |
| 503 | Political Geography | 2 | 195 | 372 | 182 |
| 503 | Securities | 6 | 195 | 142 | 190 |
| 505 | Critical Care Medicine | 3 | 194 | 1,066 | 1,016 |
| 506 | Industrial Sociology | 8 | 193 | 88 | 127 |
| 507 | Nuclear Engineering | 9 | 191 | 832 | 674 |
| 507 | emergency management | 5 | 191 | 494 | 411 |
| 507 | Alternative Medicine | 8 | 191 | 813 | 975 |
| 507 | complementary therapies | 8 | 191 | 914 | 1,014 |
| 507 | correctional psychology | 4 | 191 | 194 | 160 |
| 507 | innovation | 6 | 191 | 406 | 609 |
| 507 | cosmetics | 3 | 191 | 151 | 54 |
| 514 | Transnational corporations | 7 | 190 | 144 | 207 |
| 514 | Latin America | 20 | 190 | 407 | 368 |
| 514 | sex crimes | 9 | 190 | 319 | 372 |
| 517 | Socialization | 4 | 189 | 455 | 430 |
| 518 | Liposomes | 6 | 187 | 358 | 385 |
| 518 | Lipid bilayers | 6 | 187 | 307 | 343 |
| 520 | Biogeochemical cycles | 5 | 185 | 286 | 445 |
| 520 | Oncogenes | 2 | 185 | 991 | 917 |
| 520 | elasticity | 7 | 185 | 126 | 111 |
| 523 | Neuropsychiatry | 2 | 184 | 884 | 528 |
| 524 | atmosphere | 5 | 183 | 552 | 530 |
| 525 | ethnicity | 17 | 182 | 185 | 262 |
| 526 | race relations | 4 | 181 | 516 | 324 |
| 526 | Phylogeny | 2 | 181 | 1,029 | 730 |
| 528 | Biogeography | 4 | 180 | 840 | 854 |
| 528 | Pharmacognosy | 3 | 180 | 1,774 | 1,433 |
| 530 | Systems Analysis | 9 | 179 | 589 | 640 |
| 530 | protein | 7 | 179 | 735 | 759 |
| 532 | NMR | 28 | 178 | 38 | 216 |
| 533 | Heat Exchangers | 6 | 177 | 903 | 1,039 |
| 533 | Financial management | 4 | 177 | 394 | 386 |
| 533 | Capital market | 3 | 177 | 441 | 288 |
| 536 | Multicultural Education | 2 | 176 | 524 | 150 |
| 536 | older people | 5 | 176 | 1,154 | 693 |
| 536 | gene mapping | 4 | 176 | 1,468 | 1,411 |
| 539 | medical education | 6 | 175 | 1,114 | 985 |
| 540 | Nonprofit organizations | 7 | 174 | 179 | 205 |
| 540 | coal | 9 | 174 | 938 | 1,363 |
| 542 | Hydrogeology | 16 | 173 | 182 | 427 |
| 542 | Interactive multimedia | 6 | 173 | 358 | 421 |
| 544 | Elderly | 3 | 172 | 1,134 | 420 |
| 544 | deviant behavior | 9 | 172 | 112 | 141 |
| 546 | Social History | 16 | 170 | 113 | 158 |
| 547 | Data Mining | 4 | 169 | 909 | 699 |
| 547 | actuators | 4 | 169 | 1,840 | 1,696 |
| 547 | transducers | 4 | 169 | 1,840 | 1,696 |
| 550 | Remote Sensing | 9 | 168 | 820 | 782 |
| 550 | enzymes | 10 | 168 | 758 | 1,088 |
| 552 | Surface-Active Agents | 2 | 167 | 1,365 | 949 |
| 552 | Surface properties | 2 | 167 | 1,415 | 1,019 |
| 552 | multimedia | 4 | 167 | 411 | 411 |
| 555 | Scotland | 10 | 166 | 39 | 30 |
| 556 | Project Management | 5 | 165 | 176 | 337 |
| 556 | Administration | 5 | 165 | 38 | 20 |
| 556 | Nonlinear mechanics | 5 | 165 | 313 | 232 |
| 559 | behavioral medicine | 5 | 163 | 916 | 1,113 |
| 559 | Chromatography | 12 | 163 | 735 | 986 |
| 559 | Chromatographic analysis | 13 | 163 | 833 | 1,079 |
| 559 | Aquatic ecology | 7 | 163 | 601 | 589 |
| 563 | police psychology | 15 | 161 | 4 | 13 |
| 563 | Japan | 15 | 161 | 641 | 948 |
| 563 | psychotherapy | 4 | 161 | 1,037 | 843 |
| 566 | Petroleum Geology | 5 | 160 | 386 | 380 |
| 566 | environmental exposure | 9 | 160 | 1,044 | 1,534 |
| 568 | Histology | 5 | 159 | 1,296 | 1,279 |
| 568 | Pathology | 11 | 159 | 923 | 1,322 |
| 568 | Adhesion | 5 | 159 | 504 | 370 |
| 568 | adhesives | 5 | 159 | 538 | 374 |
| 568 | Toxins | 4 | 159 | 708 | 551 |
| 573 | Cognitive Psychology | 6 | 158 | 268 | 225 |
| 574 | Social work | 12 | 157 | 634 | 750 |
| 575 | Health Services Administration | 5 | 155 | 718 | 629 |
| 575 | technology transfer | 4 | 155 | 179 | 199 |
| 575 | Malaria | 5 | 155 | 456 | 437 |
| 575 | nanoscience | 10 | 155 | 1,625 | 2,209 |
| 579 | Socialism | 11 | 152 | 63 | 83 |
| 579 | pharmaceutical industry | 9 | 152 | 254 | 314 |
| 581 | Clinical Psychology | 6 | 151 | 806 | 915 |
| 581 | health workforce | 4 | 151 | 132 | 164 |
| 581 | Substance Abuse | 10 | 151 | 708 | 901 |
| 581 | International Business | 3 | 151 | 138 | 69 |
| 585 | Health Services Research | 10 | 148 | 760 | 1,046 |
| 585 | Globalization | 6 | 148 | 342 | 355 |
| 585 | Heterocyclic compounds | 10 | 148 | 465 | 435 |
| 588 | Food additives | 6 | 147 | 723 | 1,013 |
| 589 | Simulation Methods | 5 | 146 | 757 | 597 |
| 590 | Hematology | 4 | 145 | 1,369 | 1,327 |
| 590 | Neuroendocrinology | 2 | 145 | 162 | 188 |
| 592 | Bifurcation Theory | 1 | 144 | 534 | 137 |
| 592 | Group decision making | 5 | 144 | 346 | 321 |
| 594 | Welfare Economics | 5 | 143 | 327 | 322 |
| 594 | concrete | 9 | 143 | 504 | 929 |
| 594 | child abuse | 10 | 143 | 391 | 680 |
| 597 | Discourse Analysis | 3 | 142 | 380 | 265 |
| 597 | Calorimetry | 5 | 142 | 960 | 743 |
| 597 | Thermal analysis | 5 | 142 | 960 | 743 |
| 600 | Inventory Control | 1 | 141 | 178 | 49 |
| 600 | Physical fitness | 10 | 141 | 522 | 810 |
| 600 | Social interaction | 5 | 141 | 253 | 261 |
| 603 | Social perception | 2 | 140 | 172 | 123 |
| 603 | Rheology | 7 | 140 | 330 | 392 |
| 603 | exobiology | 1 | 140 | 473 | 299 |
| 606 | Juvenile delinquency | 5 | 139 | 233 | 212 |
| 606 | children | 5 | 139 | 336 | 386 |
| 608 | hazard mitigation | 5 | 138 | 687 | 737 |
| 609 | venom | 3 | 137 | 725 | 536 |
| 610 | Planetary Science | 6 | 135 | 327 | 285 |
| 610 | visualization | 5 | 135 | 1,067 | 606 |
| 610 | Cement | 7 | 135 | 340 | 671 |
| 610 | Marine algae | 6 | 135 | 64 | 56 |
| 614 | vibration | 6 | 134 | 823 | 895 |
| 615 | Microprocessors | 11 | 133 | 226 | 330 |
| 616 | Gender Studies | 8 | 132 | 262 | 361 |
| 617 | Active Learning | 20 | 131 | 6 | 55 |
| 617 | Evidence-Based Medicine | 5 | 131 | 466 | 519 |
| 617 | Geriatric Oncology | 3 | 131 | 486 | 466 |
| 617 | Protozoa | 1 | 131 | 708 | 315 |
| 617 | research and development | 5 | 131 | 219 | 305 |
| 617 | free radicals | 5 | 131 | 942 | 1,269 |
| 617 | Sedimentary rocks | 7 | 131 | 362 | 515 |
| 624 | Experimental Psychology | 8 | 130 | 350 | 462 |
| 624 | Fire ecology | 1 | 130 | 135 | 68 |
| 624 | Child welfare | 12 | 130 | 440 | 740 |
| 624 | Volcanoes | 6 | 130 | 186 | 250 |
| 624 | international cooperation | 6 | 130 | 382 | 471 |
| 629 | magnetic resonance | 23 | 129 | 57 | 299 |
| 630 | Nursing | 6 | 128 | 1,387 | 1,170 |
| 631 | Urban Areas | 2 | 127 | 323 | 118 |
| 632 | Advertising | 5 | 126 | 211 | 322 |
| 632 | pain | 5 | 126 | 902 | 1,057 |
| 634 | Bioenergetics | 3 | 125 | 821 | 767 |
| 634 | Biomarkers | 1 | 125 | 755 | 243 |
| 634 | Drug delivery devices | 2 | 125 | 323 | 311 |
| 634 | biochemical markers | 1 | 125 | 1,036 | 415 |
| 638 | Journalism | 12 | 123 | 190 | 292 |
| 638 | Computer Architecture | 5 | 123 | 396 | 285 |
| 640 | Digital Media | 2 | 122 | 271 | 155 |
| 640 | Gastrointestinal diseases | 4 | 122 | 541 | 409 |
| 642 | Patient education | 5 | 121 | 393 | 510 |
| 642 | Social welfare | 9 | 121 | 284 | 378 |
| 642 | child behavior | 3 | 121 | 384 | 374 |
| 645 | Soil dynamics | 5 | 120 | 379 | 429 |
| 646 | Naval Architecture | 9 | 119 | 200 | 208 |
| 646 | reasoning | 4 | 119 | 331 | 268 |
| 648 | Developmental Genetics | 2 | 118 | 510 | 541 |
| 648 | Education policy | 2 | 118 | 100 | 54 |
| 648 | design | 15 | 118 | 70 | 173 |
| 651 | Organizational innovation | 19 | 117 | 4 | 9 |
| 651 | Molecular ecology | 6 | 117 | 703 | 1,154 |
| 651 | Liver diseases | 3 | 117 | 1,038 | 1,120 |
| 654 | Dementia | 6 | 116 | 885 | 763 |
| 655 | Allergy | 4 | 115 | 792 | 1,002 |
| 656 | Geriatric Psychiatry | 7 | 114 | 554 | 768 |
| 656 | bioclimatology | 5 | 114 | 711 | 775 |
| 656 | Bioinformatics | 5 | 114 | 1,494 | 1,595 |
| 659 | Architectural Design | 11 | 113 | 159 | 249 |
| 659 | feeding behavior | 6 | 113 | 475 | 709 |
| 659 | Microorganisms | 6 | 113 | 682 | 1,088 |
| 659 | Appetite | 6 | 113 | 410 | 648 |
| 663 | Nuclear Energy | 6 | 112 | 655 | 622 |
| 663 | Total Quality Management | 6 | 112 | 276 | 419 |
| 665 | Political Science | 20 | 110 | 667 | 1,033 |
| 665 | Computer Engineering | 2 | 110 | 1,257 | 668 |
| 665 | global environmental change | 5 | 110 | 567 | 885 |
| 668 | preventive medicine | 3 | 109 | 1,038 | 1,014 |
| 668 | Action Research | 7 | 109 | 94 | 118 |
| 670 | women's rights | 2 | 108 | 190 | 100 |
| 670 | Islam | 7 | 108 | 202 | 193 |
| 670 | Women's health | 2 | 108 | 1,519 | 933 |
| 670 | Criminal investigation | 6 | 108 | 102 | 116 |
| 674 | Psycholinguistics | 3 | 106 | 902 | 851 |
| 674 | Ultrasonics | 7 | 106 | 742 | 1,274 |
| 674 | Urban Anthropology | 4 | 106 | 126 | 120 |
| 674 | libraries | 1 | 106 | 948 | 336 |
| 674 | Soviet Union | 16 | 106 | 144 | 219 |
| 679 | Entomology | 6 | 105 | 1,633 | 1,503 |
| 680 | Synchrotron Radiation | 3 | 104 | 365 | 248 |
| 680 | civil service | 11 | 104 | 139 | 312 |
| 680 | Solar System | 2 | 104 | 819 | 654 |
| 683 | Rheumatology | 1 | 103 | 1,352 | 907 |
| 683 | Risk Management | 7 | 103 | 358 | 590 |
| 683 | Bone diseases | 1 | 103 | 738 | 502 |
| 683 | national security | 8 | 103 | 172 | 151 |
| 687 | technical education | 11 | 102 | 254 | 504 |
| 688 | Materials Engineering | 9 | 101 | 270 | 459 |
| 689 | Game Theory | 4 | 100 | 483 | 409 |
| 689 | Microeconomics | 2 | 100 | 414 | 265 |
| 689 | Law and Economics | 7 | 100 | 156 | 171 |
| 689 | Maps | 9 | 100 | 58 | 95 |
| 693 | Information Theory | 2 | 99 | 1,544 | 1,116 |
| 693 | Medical Microbiology | 4 | 99 | 1,590 | 1,943 |
| 693 | Intelligence | 2 | 99 | 307 | 264 |
| 693 | Pharmacy management | 5 | 99 | 196 | 213 |
| 693 | Ultrasound | 5 | 99 | 524 | 639 |
| 698 | environmental indicators | 4 | 98 | 1,001 | 1,328 |
| 698 | Export Marketing | 2 | 98 | 305 | 288 |
| 700 | Philosophy | 8 | 97 | 1,005 | 735 |
| 700 | Radio wave propagation | 5 | 97 | 548 | 520 |
| 700 | Geodynamics | 5 | 97 | 688 | 836 |
| 700 | Ore deposits | 3 | 97 | 528 | 503 |
| 700 | Sales management | 1 | 97 | 438 | 385 |
| 700 | selling | 1 | 97 | 438 | 385 |
| 706 | gene therapy | 3 | 96 | 836 | 912 |
| 706 | behavior modification | 2 | 96 | 449 | 463 |
| 706 | Structure-activity relationship | 4 | 96 | 175 | 247 |
| 709 | Historiography | 8 | 95 | 28 | 37 |
| 709 | Food texture | 5 | 95 | 99 | 158 |
| 709 | Parasitology | 7 | 95 | 1,498 | 1,767 |
| 712 | Systems Biology | 3 | 94 | 1,336 | 1,319 |
| 712 | Radiation Protection | 4 | 94 | 532 | 288 |
| 712 | Hydrodynamics | 7 | 94 | 365 | 578 |
| 712 | Crystallography | 11 | 94 | 915 | 864 |
| 712 | homosexuality | 2 | 94 | 527 | 377 |
| 717 | Environmental Law | 7 | 93 | 656 | 1,408 |
| 718 | Comparative Physiology | 1 | 92 | 1,111 | 766 |
| 718 | movement | 6 | 92 | 191 | 366 |
| 718 | economic development projects | 6 | 92 | 73 | 142 |
| 721 | Plant Morphology | 4 | 91 | 515 | 504 |
| 722 | Global Health | 7 | 90 | 596 | 812 |
| 723 | Dermatology | 5 | 89 | 1,102 | 1,202 |
| 723 | Exercise therapy | 2 | 89 | 605 | 312 |
| 723 | mutagens | 7 | 89 | 440 | 807 |
| 726 | Ethics | 6 | 88 | 628 | 687 |
| 726 | Scanning electron microscopy | 2 | 88 | 181 | 94 |
| 726 | Vaccines | 4 | 88 | 1,310 | 1,404 |
| 729 | Structural dynamics | 5 | 87 | 746 | 1,099 |
| 729 | Agricultural Ecology | 2 | 87 | 1,209 | 1,235 |
| 729 | Cognitive Learning | 6 | 87 | 42 | 88 |
| 732 | Database Management | 2 | 86 | 883 | 704 |
| 732 | General Surgery | 2 | 86 | 580 | 374 |
| 732 | Sound | 4 | 86 | 906 | 768 |
| 735 | Technology Assessment | 7 | 85 | 142 | 607 |
| 735 | peace | 4 | 85 | 404 | 469 |
| 735 | Criminal behavior | 2 | 85 | 241 | 167 |
| 735 | Law enforcement | 1 | 85 | 181 | 106 |
| 739 | Flexible manufacturing systems | 3 | 84 | 399 | 427 |
| 739 | Stem cells | 1 | 84 | 1,579 | 1,262 |
| 739 | Tropical Medicine | 2 | 84 | 1,910 | 1,417 |
| 739 | cloning | 1 | 84 | 819 | 754 |
| 743 | Chemical Ecology | 3 | 83 | 511 | 624 |
| 743 | Visual Communication | 2 | 83 | 590 | 340 |
| 743 | Information Retrieval | 2 | 83 | 603 | 491 |
| 743 | Image enhancement | 2 | 83 | 462 | 311 |
| 743 | pheromones | 3 | 83 | 465 | 599 |
| 748 | Transportation Engineering | 5 | 82 | 228 | 345 |
| 748 | Systems Theory | 9 | 82 | 138 | 210 |
| 748 | Chemotherapy | 4 | 82 | 876 | 1,031 |
| 748 | consumer behavior | 4 | 82 | 470 | 680 |
| 748 | Medical innovations | 1 | 82 | 1,283 | 1,225 |
| 748 | Semantic web | 1 | 82 | 200 | 114 |
| 748 | Adolescent | 4 | 82 | 1,690 | 1,732 |
| 755 | Historical Geography | 8 | 81 | 42 | 69 |
| 755 | Ferroelectricity | 4 | 81 | 880 | 666 |
| 755 | Emotion | 1 | 81 | 414 | 311 |
| 755 | telemarketing | 3 | 81 | 85 | 147 |
| 755 | natural gas | 3 | 81 | 350 | 410 |
| 755 | Creativity | 5 | 81 | 168 | 353 |
| 761 | Land use | 4 | 80 | 966 | 1,284 |
| 761 | Body Image | 2 | 80 | 280 | 328 |
| 761 | Diplomatic relations | 12 | 80 | 263 | 323 |
| 764 | Rock Mechanics | 5 | 79 | 701 | 885 |
| 765 | Politics | 2 | 78 | 584 | 415 |
| 765 | East Asia | 3 | 78 | 641 | 410 |
| 765 | government | 2 | 78 | 641 | 470 |
| 765 | Antarctica | 2 | 78 | 686 | 400 |
| 769 | Evolutionary Psychology | 4 | 77 | 99 | 151 |
| 770 | Agricultural Chemistry | 1 | 76 | 2,903 | 2,221 |
| 770 | Virtual reality | 6 | 76 | 223 | 423 |
| 770 | Nationalism | 14 | 76 | 76 | 226 |
| 770 | Travel | 8 | 76 | 365 | 696 |
| 770 | Magnetic Materials | 1 | 76 | 2,006 | 1,443 |
| 770 | Optical materials | 1 | 76 | 2,991 | 2,493 |
| 770 | Chemical industry | 9 | 76 | 704 | 1,092 |
| 777 | Morphology | 3 | 75 | 909 | 696 |
| 777 | Real Estate Investment | 1 | 75 | 306 | 148 |
| 777 | Portfolio Management | 1 | 75 | 545 | 196 |
| 777 | human migration | 12 | 75 | 10 | 12 |
| 777 | nation-building | 3 | 75 | 26 | 20 |
| 777 | real estate | 1 | 75 | 120 | 30 |
| 783 | Clinical Immunology | 2 | 74 | 1,022 | 1,010 |
| 783 | Human Rights | 8 | 74 | 277 | 442 |
| 783 | Nanostructured Materials | 4 | 74 | 2,368 | 2,747 |
| 783 | Genetic therapy | 3 | 74 | 859 | 1,011 |
| 783 | Radio frequency | 2 | 74 | 524 | 453 |
| 788 | Combustion | 3 | 73 | 1,173 | 1,231 |
| 788 | industrial hygiene | 10 | 73 | 418 | 697 |
| 788 | Geopolitics | 4 | 73 | 193 | 230 |
| 788 | Paleoceanography | 1 | 73 | 291 | 295 |
| 788 | international trade | 6 | 73 | 463 | 664 |
| 788 | Biomass | 1 | 73 | 1,221 | 962 |
| 788 | software | 3 | 73 | 1,040 | 1,230 |
| 795 | Palliative Care | 5 | 72 | 552 | 674 |
| 795 | Risk assessment | 5 | 72 | 421 | 589 |
| 795 | Well-being | 1 | 72 | 333 | 148 |
| 795 | Bioprinting | 3 | 72 | 40 | 78 |
| 795 | construction industry | 2 | 72 | 188 | 123 |
| 800 | Oxidative stress | 2 | 71 | 989 | 1,290 |
| 800 | cultural policy | 5 | 71 | 155 | 174 |
| 800 | energy conservation | 3 | 71 | 2,049 | 2,417 |
| 800 | Communication in marketing | 3 | 71 | 128 | 178 |
| 800 | Muscles | 2 | 71 | 852 | 896 |
| 800 | Oxidation-reduction | 2 | 71 | 862 | 1,082 |
| 806 | Hypertension | 2 | 70 | 1,332 | 1,520 |
| 807 | Green Technology | 3 | 69 | 392 | 482 |
| 807 | soil microbiology | 3 | 69 | 1,336 | 1,896 |
| 807 | Molecular cloning | 4 | 69 | 1,170 | 1,393 |
| 807 | Adolescent Psychology | 3 | 69 | 787 | 840 |
| 807 | Genetic recombination | 4 | 69 | 1,148 | 1,379 |
| 807 | Recombinant DNA | 4 | 69 | 1,210 | 1,437 |
| 807 | Landslides | 1 | 69 | 471 | 418 |
| 814 | Occupational Therapy | 9 | 68 | 503 | 659 |
| 814 | Medical Oncology | 4 | 68 | 1,163 | 1,515 |
| 814 | Cytogenetics | 2 | 68 | 1,342 | 1,393 |
| 814 | radioactive waste | 1 | 68 | 1,354 | 1,399 |
| 814 | Therapeutics | 2 | 68 | 1,565 | 1,567 |
| 814 | industrial waste | 1 | 68 | 1,404 | 1,399 |
| 814 | Hazardous waste | 1 | 68 | 1,558 | 1,467 |
| 821 | Neurosurgery | 1 | 67 | 1,174 | 923 |
| 821 | Marine Geology | 3 | 67 | 593 | 621 |
| 821 | Cryptography | 1 | 67 | 1,143 | 442 |
| 821 | Regional Economics | 8 | 67 | 219 | 476 |
| 821 | Tissue Engineering | 1 | 67 | 633 | 413 |
| 821 | Population Genetics | 5 | 67 | 874 | 1,390 |
| 821 | Organizational learning | 3 | 67 | 446 | 419 |
| 821 | Health Physics | 3 | 67 | 152 | 103 |
| 821 | radiation monitoring | 3 | 67 | 566 | 350 |
| 821 | Database Security | 1 | 67 | 200 | 48 |
| 821 | drug control | 3 | 67 | 346 | 415 |
| 832 | Cardiovascular system | 1 | 66 | 1,496 | 1,521 |
| 832 | Ethnology | 4 | 66 | 1,276 | 1,157 |
| 832 | Invertebrates | 5 | 66 | 439 | 642 |
| 832 | Human biology | 1 | 66 | 1,049 | 587 |
| 836 | Emergency Medicine | 4 | 65 | 1,004 | 1,042 |
| 836 | consumers | 4 | 65 | 304 | 452 |
| 836 | electroplating | 1 | 65 | 97 | 24 |
| 836 | surface preparation | 1 | 65 | 78 | 23 |
| 840 | Phenomenology | 3 | 64 | 243 | 124 |
| 840 | Fuzzy Logic | 3 | 64 | 48 | 82 |
| 840 | Fuzzy Sets | 3 | 64 | 48 | 82 |
| 840 | Fuzzy algorithms | 3 | 64 | 48 | 82 |
| 840 | Investments | 6 | 64 | 285 | 497 |
| 845 | Occupational Health | 9 | 63 | 502 | 943 |
| 845 | Philosophy of Mind | 2 | 63 | 362 | 264 |
| 845 | Space telescopes | 2 | 63 | 205 | 138 |
| 845 | Neurotransmitters | 1 | 63 | 528 | 477 |
| 845 | Evidence-based practice | 9 | 63 | 23 | 35 |
| 845 | Animal ecology | 5 | 63 | 884 | 1,173 |
| 845 | Forensic psychiatric nursing | 9 | 63 | 7 | 9 |
| 845 | Environmentalism | 3 | 63 | 140 | 252 |
| 845 | Sarcopenia | 1 | 63 | 649 | 628 |
| 845 | Financial Institutions | 7 | 63 | 174 | 460 |
| 845 | Vision | 2 | 63 | 725 | 744 |
| 856 | Restorative justice | 5 | 62 | 82 | 125 |
| 856 | Analytical Biochemistry | 3 | 62 | 1,645 | 1,700 |
| 856 | Respiratory system | 1 | 62 | 781 | 666 |
| 856 | Cell cycle | 1 | 62 | 507 | 356 |
| 856 | cell proliferation | 1 | 62 | 542 | 381 |
| 856 | Bones | 3 | 62 | 653 | 897 |
| 862 | Literature | 15 | 61 | 283 | 149 |
| 862 | Communism | 6 | 61 | 53 | 115 |
| 862 | cultural pluralism | 4 | 61 | 354 | 434 |
| 865 | Mountains | 5 | 60 | 266 | 333 |
| 865 | Europa | 8 | 60 | 256 | 594 |
| 867 | Neurotoxicology | 1 | 59 | 965 | 810 |
| 867 | Psychiatric Nursing | 10 | 59 | 310 | 705 |
| 867 | Language Policy | 1 | 59 | 220 | 147 |
| 867 | embryonic development | 2 | 59 | 487 | 502 |
| 867 | glycoproteins | 1 | 59 | 693 | 575 |
| 867 | Glycoconjugates | 1 | 59 | 693 | 575 |
| 867 | Oligosaccharide | 1 | 59 | 499 | 434 |
| 867 | Carbohydrates | 1 | 59 | 698 | 543 |
| 867 | punishment | 1 | 59 | 217 | 108 |
| 867 | glycolipids | 1 | 59 | 693 | 575 |
| 877 | Solar Energy | 3 | 58 | 1,703 | 2,182 |
| 877 | Geographic information systems | 6 | 58 | 763 | 1,109 |
| 877 | biofuels | 1 | 58 | 484 | 609 |
| 877 | Nanoparticles | 2 | 58 | 2,112 | 2,060 |
| 877 | health services | 4 | 58 | 870 | 1,087 |
| 877 | probation | 15 | 58 | 9 | 41 |
| 877 | miniaturization | 2 | 58 | 2,007 | 2,049 |
| 877 | Instructional systems | 5 | 58 | 94 | 187 |
| 885 | Physical Therapy | 3 | 57 | 1,182 | 1,370 |
| 885 | Computational Complexity | 5 | 57 | 809 | 968 |
| 885 | Library Science | 3 | 57 | 947 | 704 |
| 885 | Developed countries | 2 | 57 | 264 | 325 |
| 889 | Probability | 3 | 56 | 576 | 669 |
| 889 | Comparative Education | 2 | 56 | 302 | 203 |
| 889 | economic forecasting | 2 | 56 | 419 | 442 |
| 889 | Forecasting | 2 | 56 | 716 | 631 |
| 889 | Popular culture | 5 | 56 | 386 | 310 |
| 889 | locomotion | 4 | 56 | 537 | 763 |
| 889 | Wetland ecology | 1 | 56 | 868 | 527 |
| 889 | posture | 4 | 56 | 537 | 763 |
| 889 | Risk | 3 | 56 | 522 | 701 |
| 889 | Proteome | 4 | 56 | 907 | 1,338 |
| 889 | Capitalism | 1 | 56 | 392 | 186 |
| 889 | wetland management | 1 | 56 | 376 | 224 |
| 889 | gait | 4 | 56 | 537 | 763 |
| 889 | Economic planning | 6 | 56 | 300 | 686 |
| 889 | walking | 4 | 56 | 537 | 763 |
| 904 | Soil Mechanics | 5 | 55 | 826 | 1,156 |
| 904 | Optics | 4 | 55 | 3,235 | 3,120 |
| 904 | Atmospheric Chemistry | 1 | 55 | 1,164 | 1,125 |
| 904 | Ethnic relations | 12 | 55 | 197 | 511 |
| 904 | Semiconductors | 2 | 55 | 2,365 | 2,023 |
| 904 | War and Society | 4 | 55 | 168 | 343 |
| 904 | Gender identity | 4 | 55 | 234 | 274 |
| 904 | warfare | 3 | 55 | 269 | 432 |
| 904 | Parasites | 4 | 55 | 1,356 | 1,623 |
| 904 | planning | 6 | 55 | 463 | 844 |
| 914 | Feminist Economics | 1 | 54 | 181 | 158 |
| 914 | Photogrammetry | 5 | 54 | 620 | 445 |
| 914 | nuclear magnetic resonance | 5 | 54 | 743 | 884 |
| 914 | infection | 2 | 54 | 1,571 | 1,645 |
| 914 | wood | 2 | 54 | 567 | 470 |
| 914 | eugenics | 1 | 54 | 929 | 637 |
| 920 | Nanobiotechnology | 1 | 53 | 743 | 855 |
| 920 | Combinatorial optimization | 2 | 53 | 695 | 382 |
| 920 | Altitude Sickness | 3 | 53 | 120 | 156 |
| 920 | Democracy | 8 | 53 | 119 | 242 |
| 920 | Sovereignty | 2 | 53 | 178 | 184 |
| 920 | Bioinorganic chemistry | 2 | 53 | 1,579 | 1,545 |
| 920 | Altitude | 3 | 53 | 120 | 156 |
| 920 | Germany | 7 | 53 | 343 | 344 |
| 920 | Youth | 4 | 53 | 561 | 863 |
| 920 | viral genetics | 1 | 53 | 406 | 543 |
| 920 | Protein engineering | 2 | 53 | 263 | 302 |
| 920 | molecular design | 2 | 53 | 288 | 299 |
| 932 | Nuclear Chemistry | 9 | 52 | 581 | 926 |
| 932 | Change management | 4 | 52 | 76 | 110 |
| 932 | Family | 5 | 52 | 727 | 1,053 |
| 932 | families | 5 | 52 | 674 | 876 |
| 936 | Comparative Psychology | 3 | 51 | 117 | 237 |
| 936 | adolescence | 2 | 51 | 1,085 | 1,097 |
| 936 | Visual Perception | 6 | 51 | 936 | 1,475 |
| 936 | Organometallic compounds | 2 | 51 | 1,547 | 1,457 |
| 940 | Computer Vision | 4 | 50 | 981 | 1,392 |
| 940 | Plant Taxonomy | 3 | 50 | 392 | 472 |
| 940 | Democratization | 7 | 50 | 41 | 182 |
| 940 | X-ray crystallography | 6 | 50 | 374 | 498 |
| 940 | Microwaves | 6 | 50 | 956 | 1,190 |
| 945 | Magnetic Resonance Imaging | 5 | 49 | 291 | 492 |
| 945 | Mixed methods research | 1 | 49 | 143 | 137 |
| 945 | Parasitic Diseases | 3 | 49 | 1,737 | 2,038 |
| 945 | Autonomous robots | 2 | 49 | 226 | 303 |
| 945 | Southern states | 1 | 49 | 553 | 254 |
| 945 | data protection | 7 | 49 | 276 | 635 |
| 951 | Mutagenesis | 4 | 48 | 328 | 536 |
| 951 | Gerontology | 4 | 48 | 1,509 | 1,757 |
| 951 | Environmental risk assessment | 2 | 48 | 534 | 513 |
| 954 | Hydraulic Engineering | 7 | 47 | 553 | 968 |
| 954 | Multilingualism | 3 | 47 | 276 | 394 |
| 954 | organized crime | 2 | 47 | 91 | 87 |
| 954 | Transnational organized crime | 2 | 47 | 38 | 42 |
| 954 | Transnational Crime | 2 | 47 | 38 | 42 |
| 954 | Hospitality industry | 4 | 47 | 300 | 642 |
| 954 | gene transfer | 1 | 47 | 461 | 365 |
| 954 | genetic transformation | 1 | 47 | 461 | 365 |
| 962 | Environmental Ethics | 1 | 46 | 356 | 140 |
| 962 | Steroids | 5 | 46 | 652 | 1,077 |
| 962 | Attention | 3 | 46 | 1,314 | 1,626 |
| 962 | plant oils | 3 | 46 | 257 | 316 |
| 962 | Stress | 1 | 46 | 570 | 466 |
| 967 | Health Information Management | 2 | 45 | 431 | 897 |
| 967 | Pharmacokinetics | 3 | 45 | 787 | 1,176 |
| 967 | terrorism | 6 | 45 | 166 | 308 |
| 967 | Broadcasting | 4 | 45 | 142 | 248 |
| 971 | Crisis management | 4 | 44 | 97 | 212 |
| 971 | Randomized Controlled Trials | 4 | 44 | 785 | 956 |
| 971 | Post-traumatic stress disorder | 3 | 44 | 715 | 999 |
| 971 | muscle strength | 1 | 44 | 181 | 96 |
| 975 | Feminist criticism | 1 | 43 | 265 | 121 |
| 975 | Immunochemistry | 2 | 43 | 1,093 | 1,130 |
| 975 | child sexual abuse | 2 | 43 | 204 | 240 |
| 978 | Organic Geochemistry | 1 | 42 | 548 | 598 |
| 978 | sexual orientation | 2 | 42 | 168 | 210 |
| 978 | Cosmochemistry | 1 | 42 | 1,254 | 1,184 |
| 981 | Carcinogenesis | 3 | 41 | 853 | 1,249 |
| 981 | carcinogens | 3 | 41 | 863 | 1,274 |
| 981 | DNA | 3 | 41 | 589 | 787 |
| 981 | rivers | 1 | 41 | 544 | 440 |
| 985 | Special Education | 3 | 40 | 798 | 850 |
| 985 | Mesoporous materials | 1 | 40 | 160 | 169 |
| 985 | thinking | 3 | 40 | 300 | 551 |
| 985 | RNA | 1 | 40 | 774 | 775 |
| 989 | Coastal Engineering | 1 | 39 | 233 | 130 |
| 989 | Radiography | 2 | 39 | 786 | 1,068 |
| 989 | Disability Studies | 2 | 39 | 336 | 352 |
| 989 | Research methodology | 4 | 39 | 66 | 210 |
| 989 | civilization | 22 | 39 | 272 | 546 |
| 989 | cryosphere | 1 | 39 | 542 | 552 |
| 989 | freshwater biology | 2 | 39 | 1,123 | 1,229 |
| 989 | Quantum theory | 8 | 39 | 649 | 1,110 |
| 997 | Political Sociology | 12 | 38 | 186 | 577 |
| 997 | Russia | 3 | 38 | 212 | 73 |
| 997 | Health promotion | 2 | 38 | 1,310 | 1,292 |
| 997 | genome | 1 | 38 | 1,929 | 1,934 |