| 1 | Analytical Chemistry | 302 | 15,890 | 166 | 90 |
| 2 | Chemistry | 259 | 12,722 | 1.3K | 1.1K |
| 3 | Biotechnology | 213 | 10,589 | 504 | 493 |
| 4 | Nanotechnology | 125 | 6,928 | 783 | 645 |
| 5 | Physics | 203 | 6,863 | 1.4K | 2.3K |
| 6 | Biochemistry | 225 | 6,442 | 1.2K | 1.4K |
| 7 | Microbiology | 86 | 5,421 | 1.6K | 1.3K |
| 8 | Materials | 130 | 4,892 | 907 | 889 |
| 9 | Medicine | 135 | 4,721 | 2.1K | 2.2K |
| 10 | Biomedical Engineering | 104 | 4,705 | 527 | 382 |
| 11 | Science | 150 | 4,456 | 1.9K | 3.0K |
| 12 | Research | 137 | 4,274 | 1.6K | 1.6K |
| 13 | Biocompatible Materials | 95 | 4,158 | 626 | 655 |
| 14 | Biology | 94 | 4,138 | 2.4K | 2.9K |
| 15 | Bioengineering | 90 | 3,901 | 556 | 739 |
| 16 | Electrochemistry | 98 | 3,713 | 425 | 171 |
| 17 | Human genetics | 11 | 3,657 | 1.6K | 1.2K |
| 18 | Chemical analysis | 81 | 3,587 | 58 | 20 |
| 19 | Astronomy | 90 | 3,478 | 684 | 722 |
| 20 | Pharmaceutical Chemistry | 43 | 3,244 | 1.1K | 616 |
| 21 | Pharmacology | 20 | 3,242 | 2.6K | 943 |
| 22 | Electrochemical Analysis | 63 | 3,127 | 23 | 15 |
| 23 | United States | 49 | 3,112 | 1.2K | 630 |
| 24 | Sports Medicine | 130 | 2,933 | 217 | 285 |
| 25 | Polymers | 71 | 2,866 | 1.0K | 724 |
| 26 | Molecular Biology | 83 | 2,819 | 2.1K | 2.4K |
| 27 | nanoscience | 24 | 2,506 | 1.1K | 647 |
| 28 | miniaturization | 39 | 2,494 | 424 | 425 |
| 29 | Combinatorial chemistry | 34 | 2,408 | 123 | 87 |
| 30 | Immunology | 42 | 2,335 | 1.3K | 1.3K |
| 31 | finance | 22 | 2,318 | 494 | 184 |
| 32 | Colloids | 72 | 2,269 | 579 | 630 |
| 33 | Europe | 198 | 2,234 | 152 | 309 |
| 34 | Astrophysics | 54 | 2,215 | 1.0K | 995 |
| 35 | Technology | 53 | 2,212 | 744 | 498 |
| 36 | management | 69 | 2,187 | 412 | 501 |
| 37 | Physical fitness | 42 | 2,161 | 120 | 91 |
| 38 | Optics | 113 | 2,081 | 735 | 710 |
| 39 | Materials Science | 78 | 2,074 | 993 | 1.1K |
| 40 | polymerization | 51 | 2,038 | 1.0K | 699 |
| 41 | Biosensors | 34 | 2,021 | 165 | 158 |
| 42 | Bioelectronics | 32 | 1,987 | 111 | 134 |
| 43 | Photonics | 19 | 1,976 | 607 | 366 |
| 44 | Cytology | 34 | 1,902 | 1.7K | 1.8K |
| 45 | Diet | 19 | 1,892 | 896 | 545 |
| 46 | Cancer | 100 | 1,855 | 868 | 1.3K |
| 47 | Industrial Microbiology | 24 | 1,797 | 556 | 319 |
| 48 | Nuclear Physics | 90 | 1,794 | 1.1K | 1.2K |
| 49 | Public Health | 97 | 1,781 | 935 | 1.4K |
| 50 | Analytical Biochemistry | 59 | 1,780 | 72 | 95 |
| 51 | Sports | 101 | 1,772 | 192 | 297 |
| 52 | Cell Biology | 31 | 1,770 | 1.8K | 1.8K |
| 53 | Light | 5 | 1,769 | 908 | 301 |
| 54 | Pollution | 27 | 1,747 | 2.0K | 1.6K |
| 55 | Green Chemistry | 24 | 1,584 | 586 | 432 |
| 56 | Parasitology | 24 | 1,543 | 837 | 354 |
| 57 | Biochemical Engineering | 24 | 1,518 | 532 | 775 |
| 58 | Environmental Health | 25 | 1,502 | 2.0K | 1.5K |
| 59 | Psychology | 71 | 1,492 | 929 | 1.2K |
| 60 | Environmental Management | 21 | 1,442 | 681 | 484 |
| 61 | Surface Chemistry | 58 | 1,441 | 584 | 760 |
| 62 | Physiology | 29 | 1,428 | 1.7K | 1.4K |
| 63 | Political Science | 58 | 1,361 | 308 | 265 |
| 64 | Hematology | 29 | 1,317 | 1.7K | 1.3K |
| 65 | Biophysics | 53 | 1,272 | 1.7K | 1.7K |
| 66 | Information Technology | 57 | 1,271 | 214 | 224 |
| 67 | Economics | 49 | 1,254 | 925 | 694 |
| 68 | Solid State Physics | 63 | 1,244 | 1.1K | 1.2K |
| 69 | consumer behavior | 1 | 1,185 | 984 | 72 |
| 70 | Genetic engineering | 8 | 1,168 | 1.4K | 607 |
| 71 | Environmental Engineering | 10 | 1,127 | 2.3K | 1.1K |
| 72 | Condensed Matter | 45 | 1,113 | 1.2K | 1.2K |
| 73 | Optical materials | 12 | 1,111 | 1.3K | 835 |
| 74 | Small Business | 24 | 1,109 | 117 | 256 |
| 75 | Nursing | 38 | 1,060 | 330 | 207 |
| 76 | enzymes | 16 | 1,057 | 402 | 200 |
| 77 | Engineering | 41 | 1,055 | 773 | 540 |
| 78 | Ethics | 59 | 1,032 | 66 | 70 |
| 79 | Electrophoresis | 41 | 1,029 | 261 | 301 |
| 80 | Epidemiology | 73 | 1,020 | 715 | 1.3K |
| 81 | Medical Laboratory Science | 33 | 1,005 | 420 | 545 |
| 82 | Proteomics | 16 | 979 | 351 | 282 |
| 83 | Metabolic diseases | 5 | 955 | 2.3K | 1.3K |
| 84 | Medical Microbiology | 8 | 952 | 1.8K | 1.1K |
| 85 | Quantum Gravity | 52 | 941 | 739 | 815 |
| 85 | Parasites | 14 | 941 | 652 | 262 |
| 87 | Homeostasis | 4 | 903 | 528 | 489 |
| 87 | Cell metabolism | 4 | 903 | 778 | 496 |
| 89 | Education | 107 | 902 | 388 | 560 |
| 90 | rehabilitation | 29 | 893 | 575 | 572 |
| 91 | Oncology | 26 | 890 | 742 | 1.5K |
| 92 | Cryptography | 7 | 873 | 319 | 32 |
| 93 | Social Sciences | 32 | 857 | 945 | 583 |
| 94 | Virology | 15 | 843 | 1.8K | 2.1K |
| 95 | Statistical physics | 35 | 842 | 1.3K | 1.2K |
| 96 | Metabolism | 8 | 835 | 2.2K | 1.5K |
| 97 | Chromatographic analysis | 34 | 827 | 391 | 338 |
| 98 | Proteome | 15 | 809 | 508 | 441 |
| 99 | Plasma devices | 30 | 797 | 15 | 26 |
| 100 | Geriatric Psychiatry | 18 | 790 | 398 | 272 |
| 101 | Environment | 14 | 779 | 2.5K | 2.7K |
| 102 | Chromatography | 28 | 758 | 379 | 311 |
| 103 | Mathematics | 56 | 757 | 1.5K | 1.2K |
| 104 | Medical Ethics | 48 | 755 | 123 | 134 |
| 105 | International Finance | 14 | 753 | 265 | 74 |
| 106 | sanitation | 6 | 752 | 1.3K | 903 |
| 107 | Bioethics | 47 | 748 | 89 | 104 |
| 108 | Ireland | 119 | 733 | 10 | 5 |
| 109 | Psychiatry | 50 | 715 | 1.3K | 2.1K |
| 110 | Neurology | 19 | 713 | 2.9K | 2.8K |
| 111 | Multimedia Systems | 49 | 703 | 135 | 153 |
| 112 | Medical genetics | 19 | 698 | 1.6K | 1.9K |
| 113 | Computational Linguistics | 48 | 688 | 7 | 14 |
| 114 | Strategic planning | 22 | 676 | 84 | 106 |
| 115 | Spectrum analysis | 31 | 673 | 1.3K | 1.5K |
| 116 | Sociology | 41 | 672 | 635 | 804 |
| 117 | environmental pollution | 17 | 671 | 1.8K | 1.7K |
| 118 | Exercise | 40 | 666 | 188 | 289 |
| 119 | Environmental monitoring | 15 | 652 | 1.7K | 1.5K |
| 120 | proteins | 16 | 651 | 1.1K | 844 |
| 121 | Nanostructures | 16 | 643 | 696 | 838 |
| 122 | Artificial Intelligence | 35 | 642 | 970 | 1.1K |
| 123 | Electronics | 41 | 632 | 869 | 939 |
| 123 | Entrepreneurship | 22 | 632 | 119 | 296 |
| 125 | Business Ethics | 8 | 626 | 509 | 446 |
| 126 | Behavior | 24 | 622 | 1.0K | 1.3K |
| 127 | Nanostructured Materials | 24 | 611 | 1.3K | 1.4K |
| 128 | Enzyme | 9 | 610 | 51 | 18 |
| 129 | Clinical Chemistry | 16 | 608 | 1.4K | 1.3K |
| 130 | Bioinorganic chemistry | 28 | 607 | 328 | 411 |
| 131 | Ceramic materials | 13 | 602 | 249 | 60 |
| 132 | Educational Technology | 29 | 601 | 235 | 249 |
| 133 | Pharmacokinetics | 3 | 600 | 1.0K | 185 |
| 134 | Organizational change | 17 | 576 | 126 | 137 |
| 135 | Chemical Engineering | 15 | 570 | 1.9K | 1.6K |
| 136 | Health promotion | 11 | 568 | 793 | 547 |
| 137 | Ecology | 13 | 558 | 3.5K | 3.6K |
| 138 | Toxicology | 17 | 555 | 2.3K | 2.2K |
| 139 | Psychiatric Nursing | 26 | 548 | 88 | 66 |
| 140 | industrial relations | 24 | 546 | 219 | 192 |
| 141 | Electrical Engineering | 62 | 541 | 689 | 533 |
| 142 | men | 1 | 536 | 662 | 12 |
| 142 | masculinity | 1 | 536 | 202 | 6 |
| 144 | biological factors | 13 | 518 | 953 | 730 |
| 145 | Nervous system | 5 | 510 | 2.3K | 1.5K |
| 146 | Professional ethics | 13 | 503 | 35 | 20 |
| 147 | innovation | 7 | 502 | 187 | 107 |
| 148 | preventive medicine | 7 | 500 | 936 | 582 |
| 149 | Change management | 14 | 489 | 17 | 6 |
| 150 | Parasitic Diseases | 11 | 487 | 1.2K | 950 |
| 151 | Molecules | 21 | 486 | 401 | 364 |
| 152 | Engineering Ethics | 11 | 482 | 39 | 22 |
| 153 | Water pollution | 13 | 478 | 1.2K | 1.2K |
| 153 | radioactive waste | 1 | 478 | 1.2K | 313 |
| 153 | industrial waste | 1 | 478 | 1.2K | 314 |
| 153 | Hazardous waste | 1 | 478 | 1.5K | 341 |
| 157 | biological monitoring | 8 | 477 | 247 | 121 |
| 158 | Catalysis | 17 | 474 | 1.5K | 1.6K |
| 158 | Manufacturing Processes | 31 | 474 | 390 | 480 |
| 160 | violence | 16 | 466 | 290 | 295 |
| 161 | child abuse | 13 | 465 | 297 | 317 |
| 162 | Microbial Ecology | 7 | 461 | 1.8K | 1.6K |
| 163 | Mental Health | 32 | 460 | 324 | 460 |
| 164 | Transnational corporations | 2 | 458 | 4 | 4 |
| 165 | Photochemistry | 10 | 457 | 701 | 464 |
| 165 | Photobiology | 10 | 457 | 264 | 139 |
| 167 | Solid State Chemistry | 19 | 449 | 537 | 445 |
| 168 | research and development | 6 | 432 | 156 | 88 |
| 169 | Antibodies | 18 | 427 | 71 | 165 |
| 169 | Antigens | 18 | 427 | 224 | 327 |
| 171 | Organometallic chemistry | 18 | 419 | 517 | 463 |
| 172 | Social Psychology | 12 | 415 | 991 | 984 |
| 172 | Health Education | 25 | 415 | 525 | 640 |
| 174 | Medical Oncology | 2 | 403 | 3.0K | 1.2K |
| 175 | Software Engineering | 37 | 400 | 108 | 205 |
| 176 | marketing | 15 | 394 | 619 | 710 |
| 177 | Genomics | 11 | 387 | 2.1K | 2.0K |
| 178 | vascular diseases | 9 | 386 | 487 | 591 |
| 179 | Child Development | 24 | 384 | 626 | 1.0K |
| 180 | Stochastic Processes | 20 | 383 | 182 | 170 |
| 181 | Nutrition | 15 | 380 | 2.4K | 2.7K |
| 181 | Image Processing | 16 | 380 | 504 | 598 |
| 181 | Carcinogenesis | 1 | 380 | 2.0K | 617 |
| 181 | carcinogens | 1 | 380 | 2.0K | 642 |
| 181 | mutagens | 1 | 380 | 1.7K | 592 |
| 186 | viruses | 9 | 377 | 1.1K | 1.2K |
| 187 | Cardiovascular system | 5 | 370 | 1.8K | 1.7K |
| 188 | Organizational Behavior | 10 | 369 | 171 | 157 |
| 189 | Regional Planning | 14 | 368 | 581 | 432 |
| 190 | Operations Research | 12 | 361 | 953 | 776 |
| 191 | Geriatrics | 41 | 355 | 853 | 1.6K |
| 192 | gene mapping | 6 | 352 | 1.7K | 1.5K |
| 193 | Drug delivery systems | 5 | 351 | 889 | 716 |
| 193 | brewing | 10 | 351 | 110 | 56 |
| 195 | Production Planning | 8 | 350 | 84 | 84 |
| 195 | Production Control | 8 | 350 | 84 | 84 |
| 197 | environmental protection | 4 | 347 | 3.0K | 1.7K |
| 198 | biopolymers | 11 | 346 | 682 | 637 |
| 199 | biological evolution | 9 | 342 | 1.3K | 1.4K |
| 200 | Pediatric Nursing | 5 | 339 | 326 | 110 |
| 201 | Information Retrieval | 39 | 336 | 31 | 206 |
| 201 | Coding Theory | 2 | 336 | 448 | 41 |
| 203 | Environmental Education | 9 | 333 | 78 | 29 |
| 203 | Telecommunication | 26 | 333 | 475 | 395 |
| 205 | energy conservation | 4 | 332 | 1.0K | 270 |
| 206 | internet | 10 | 329 | 463 | 232 |
| 206 | computer networks | 29 | 329 | 313 | 454 |
| 208 | Public Administration | 35 | 327 | 278 | 470 |
| 208 | terrorism | 9 | 327 | 33 | 5 |
| 210 | Thrombosis | 13 | 326 | 636 | 831 |
| 210 | Bioorganic chemistry | 13 | 326 | 1.4K | 1.6K |
| 212 | Water | 6 | 325 | 1.4K | 1.3K |
| 213 | Immunity | 3 | 322 | 2.5K | 2.1K |
| 214 | Microfabrication | 8 | 319 | 193 | 116 |
| 215 | Gerontology | 21 | 317 | 753 | 872 |
| 215 | Europa | 13 | 317 | 109 | 107 |
| 217 | Genetics | 3 | 316 | 4.8K | 3.4K |
| 217 | Physical Chemistry | 14 | 316 | 1.3K | 1.4K |
| 219 | Physical Therapy | 10 | 315 | 768 | 849 |
| 220 | Plasma chemistry | 15 | 311 | 92 | 131 |
| 221 | elasticity | 18 | 308 | 31 | 54 |
| 222 | Human Resources | 8 | 305 | 75 | 57 |
| 223 | Memory | 4 | 304 | 2.1K | 1.3K |
| 224 | United Kingdom | 14 | 301 | 798 | 1.1K |
| 225 | Biomechanics | 12 | 300 | 658 | 711 |
| 226 | Agricultural Chemistry | 5 | 299 | 2.2K | 1.5K |
| 226 | disabilities | 10 | 299 | 284 | 209 |
| 228 | Child | 12 | 293 | 1.5K | 1.4K |
| 229 | Computer Vision | 11 | 290 | 316 | 522 |
| 230 | Neurophysiology | 7 | 284 | 2.2K | 2.2K |
| 231 | Developmental Disabilities | 11 | 283 | 475 | 663 |
| 232 | Journalism | 30 | 279 | 65 | 100 |
| 233 | Natural history | 7 | 278 | 3.5K | 5.5K |
| 234 | energy development | 2 | 277 | 893 | 493 |
| 235 | Surface-Active Agents | 7 | 269 | 488 | 505 |
| 235 | Surface properties | 7 | 269 | 488 | 505 |
| 237 | Diabetes mellitus | 5 | 267 | 2.1K | 2.0K |
| 237 | Mental Health Services | 22 | 267 | 398 | 606 |
| 237 | Diabetes | 5 | 267 | 2.2K | 2.1K |
| 240 | Nanoparticles | 8 | 265 | 1.2K | 1.2K |
| 241 | Intellectual disability | 24 | 263 | 230 | 447 |
| 242 | Japan | 2 | 260 | 2.8K | 691 |
| 243 | Nuclear Fusion | 9 | 258 | 214 | 189 |
| 244 | sex crimes | 9 | 255 | 305 | 257 |
| 245 | Learning disabilities | 22 | 251 | 219 | 382 |
| 246 | Soft Condensed Matter | 7 | 250 | 806 | 697 |
| 247 | Developmental Biology | 1 | 249 | 3.4K | 1.8K |
| 248 | Computational Biology | 12 | 248 | 1.8K | 2.1K |
| 249 | Australia | 20 | 245 | 573 | 778 |
| 250 | Decision making | 9 | 243 | 778 | 723 |
| 251 | Earth Sciences | 1 | 238 | 4.6K | 1.6K |
| 251 | Respiration | 8 | 238 | 1.1K | 1.2K |
| 253 | Critical Care | 7 | 235 | 1.4K | 1.7K |
| 253 | Clinical Biochemistry | 1 | 235 | 2.1K | 669 |
| 255 | Crystallography | 37 | 234 | 425 | 647 |
| 256 | Organic Chemistry | 12 | 233 | 1.9K | 2.0K |
| 256 | Health Policy | 16 | 233 | 1.1K | 1.6K |
| 256 | Mental Disorders | 12 | 233 | 2.0K | 2.6K |
| 259 | drug therapy | 7 | 232 | 2.1K | 1.9K |
| 259 | Attention | 5 | 232 | 1.9K | 1.4K |
| 261 | Wireless Communication Systems | 16 | 230 | 763 | 684 |
| 261 | Molecular evolution | 6 | 230 | 1.4K | 1.3K |
| 261 | Plasma polymerization | 12 | 230 | 74 | 118 |
| 264 | Virulence | 3 | 227 | 1.5K | 1.5K |
| 265 | occupational diseases | 11 | 225 | 546 | 617 |
| 265 | Leukemia | 2 | 225 | 1.8K | 1.1K |
| 267 | Energy Policy | 4 | 223 | 621 | 342 |
| 268 | Perception | 4 | 221 | 2.2K | 1.6K |
| 269 | Visual Perception | 3 | 220 | 2.3K | 1.4K |
| 270 | Microfluidics | 6 | 219 | 129 | 103 |
| 270 | Investment analysis | 2 | 219 | 204 | 139 |
| 272 | Organometallic compounds | 9 | 218 | 764 | 750 |
| 273 | micromechanics | 11 | 217 | 182 | 258 |
| 273 | energy resources | 1 | 217 | 314 | 257 |
| 275 | Information Theory | 7 | 216 | 723 | 537 |
| 275 | social conflict | 6 | 216 | 30 | 3 |
| 277 | Biopharmaceutics | 3 | 215 | 1.4K | 759 |
| 278 | movement | 4 | 214 | 181 | 91 |
| 279 | Economic History | 29 | 213 | 882 | 1.0K |
| 280 | Queuing Theory | 1 | 211 | 313 | 61 |
| 281 | Neurochemistry | 5 | 210 | 2.1K | 2.0K |
| 281 | Auditing | 4 | 210 | 283 | 190 |
| 283 | Human-Computer Interaction | 13 | 209 | 531 | 761 |
| 284 | Chromosome mapping | 5 | 208 | 1.7K | 1.7K |
| 285 | Primary health care | 9 | 206 | 1.1K | 1.1K |
| 286 | nursing ethics | 5 | 204 | 128 | 93 |
| 286 | human behavior | 9 | 204 | 1.1K | 1.7K |
| 288 | Health Services Research | 13 | 203 | 868 | 1.1K |
| 288 | Adolescent | 10 | 203 | 1.3K | 1.3K |
| 288 | Detectors | 2 | 203 | 1.4K | 157 |
| 291 | Optical Communications | 21 | 201 | 112 | 226 |
| 291 | Nanobiotechnology | 4 | 201 | 358 | 315 |
| 291 | nucleic acids | 7 | 201 | 1.5K | 1.9K |
| 294 | Environmental Policy | 8 | 200 | 1.7K | 2.4K |
| 294 | Host-parasite interactions | 2 | 200 | 1.8K | 1.6K |
| 296 | Computer Science | 9 | 195 | 1.2K | 832 |
| 297 | Critical Care Medicine | 3 | 194 | 1.9K | 1.9K |
| 298 | Cognition | 4 | 193 | 1.5K | 1.1K |
| 299 | Numerical Analysis | 13 | 191 | 886 | 866 |
| 299 | Educational Psychology | 13 | 191 | 575 | 755 |
| 301 | epilepsy | 10 | 190 | 529 | 620 |
| 301 | Developing countries | 16 | 190 | 564 | 840 |
| 303 | Health Services Administration | 7 | 189 | 732 | 733 |
| 304 | Metallurgy | 8 | 188 | 1.3K | 1.0K |
| 304 | health behavior | 9 | 188 | 592 | 735 |
| 304 | environmental exposure | 9 | 188 | 1.1K | 1.4K |
| 304 | Culture | 21 | 188 | 242 | 309 |
| 308 | Communication | 21 | 185 | 531 | 762 |
| 309 | Crystal growth | 11 | 183 | 508 | 687 |
| 310 | civil service | 8 | 182 | 198 | 222 |
| 311 | pain | 1 | 181 | 2.7K | 1.3K |
| 312 | Endocrinology | 3 | 180 | 3.7K | 3.1K |
| 312 | Psychophysiology | 11 | 180 | 1.7K | 2.4K |
| 314 | Feminist criticism | 4 | 177 | 49 | 10 |
| 315 | Linguistics | 3 | 175 | 1.5K | 588 |
| 316 | Drug design | 5 | 174 | 1.5K | 1.4K |
| 316 | Aging | 38 | 174 | 800 | 2.1K |
| 318 | Organelle biogenesis | 3 | 173 | 227 | 128 |
| 319 | Bioinformatics | 8 | 172 | 1.6K | 1.9K |
| 320 | Biomass Energy | 5 | 169 | 1.7K | 1.8K |
| 321 | venom | 1 | 168 | 1.1K | 351 |
| 321 | Toxins | 1 | 168 | 1.2K | 407 |
| 323 | Elections | 6 | 167 | 75 | 33 |
| 324 | Surgery | 1 | 164 | 3.7K | 2.4K |
| 324 | Cognitive Science | 7 | 164 | 906 | 1.1K |
| 324 | children | 4 | 164 | 361 | 252 |
| 327 | Marine Biology | 5 | 163 | 2.0K | 1.8K |
| 328 | Clinical Psychology | 6 | 162 | 1.2K | 1.5K |
| 328 | Environmentalism | 4 | 162 | 36 | 42 |
| 330 | Medical Technology | 7 | 160 | 1.2K | 1.3K |
| 330 | Medical innovations | 4 | 160 | 1.1K | 1.7K |
| 332 | Signal Processing | 12 | 159 | 843 | 966 |
| 333 | Child psychology | 9 | 158 | 848 | 1.4K |
| 334 | organization | 8 | 157 | 404 | 669 |
| 335 | food technology | 1 | 156 | 3.5K | 1.7K |
| 336 | Criminology | 5 | 155 | 717 | 549 |
| 336 | Chemotherapy | 4 | 155 | 1.7K | 1.5K |
| 338 | Research Design | 6 | 152 | 850 | 961 |
| 338 | Nonlinear Dynamics | 2 | 152 | 2.8K | 1.7K |
| 340 | Palliative Care | 5 | 151 | 825 | 619 |
| 340 | Quality of life | 7 | 151 | 1.1K | 1.4K |
| 342 | Occupational Health | 10 | 150 | 649 | 714 |
| 343 | civilization | 32 | 148 | 260 | 114 |
| 343 | Asia | 10 | 148 | 1.2K | 1.1K |
| 345 | Therapeutics | 10 | 147 | 1.3K | 2.1K |
| 346 | medical education | 7 | 145 | 1.4K | 1.3K |
| 347 | DNA polymerases | 1 | 144 | 1.0K | 945 |
| 348 | Chemical industry | 6 | 143 | 1.0K | 755 |
| 349 | Sustainable Engineering | 3 | 142 | 1.8K | 1.5K |
| 349 | sports injuries | 8 | 142 | 290 | 259 |
| 351 | Health | 13 | 141 | 1.2K | 2.0K |
| 352 | Industrial Safety | 4 | 140 | 710 | 330 |
| 352 | Genes | 1 | 140 | 2.3K | 1.0K |
| 354 | Mechanical Engineering | 5 | 139 | 2.1K | 1.1K |
| 355 | Mathematical Physics | 14 | 135 | 1.4K | 1.4K |
| 355 | International Education | 1 | 135 | 450 | 88 |
| 357 | Water quality management | 7 | 134 | 1.3K | 1.3K |
| 358 | Histology | 7 | 133 | 1.5K | 2.0K |
| 359 | free radicals | 4 | 131 | 1.1K | 1.4K |
| 359 | Methodology | 13 | 131 | 83 | 209 |
| 359 | Methods | 13 | 131 | 17 | 37 |
| 362 | Stem cells | 5 | 130 | 1.6K | 1.9K |
| 363 | Early Childhood Education | 12 | 129 | 172 | 237 |
| 364 | Obstetrics | 7 | 128 | 2.1K | 2.3K |
| 364 | Bioenergetics | 4 | 128 | 566 | 716 |
| 364 | Geophysics | 1 | 128 | 5.0K | 3.0K |
| 364 | hospice care | 2 | 128 | 873 | 322 |
| 368 | Environmental Chemistry | 6 | 127 | 1.7K | 2.4K |
| 369 | Software Maintenance | 10 | 126 | 29 | 78 |
| 369 | Psycholinguistics | 3 | 126 | 872 | 694 |
| 371 | Engineering Mathematics | 9 | 124 | 1.6K | 1.4K |
| 371 | corporate culture | 4 | 124 | 97 | 127 |
| 373 | China | 6 | 123 | 1.9K | 1.7K |
| 374 | Immunotherapy | 1 | 122 | 3.2K | 2.2K |
| 374 | Tropical Medicine | 2 | 122 | 2.7K | 1.5K |
| 374 | Immune system | 1 | 122 | 2.1K | 1.7K |
| 377 | Urology | 2 | 120 | 2.8K | 2.1K |
| 377 | Microbial Biotechnology | 7 | 120 | 574 | 865 |
| 379 | Intelligence | 1 | 119 | 484 | 246 |
| 379 | Travel | 2 | 119 | 1.2K | 505 |
| 381 | health workforce | 4 | 118 | 174 | 227 |
| 381 | economic policy | 15 | 118 | 939 | 1.2K |
| 381 | Mental illness | 4 | 118 | 2.2K | 2.5K |
| 384 | Mass Media | 14 | 117 | 335 | 255 |
| 384 | Social policy | 11 | 117 | 341 | 491 |
| 386 | Cloud Computing | 6 | 116 | 95 | 74 |
| 386 | Mobile Computing | 10 | 116 | 450 | 561 |
| 386 | Organizational culture | 3 | 116 | 19 | 43 |
| 389 | health planning | 9 | 115 | 557 | 928 |
| 390 | infection | 1 | 114 | 3.2K | 2.0K |
| 390 | Bacterial infections | 1 | 114 | 1.8K | 1.3K |
| 392 | Applied Linguistics | 8 | 113 | 286 | 307 |
| 393 | counseling | 13 | 111 | 540 | 994 |
| 394 | Organizational Sociology | 5 | 110 | 228 | 270 |
| 394 | Plastics | 1 | 110 | 2.6K | 1.1K |
| 394 | Liver diseases | 2 | 110 | 2.1K | 2.1K |
| 397 | cell physiology | 2 | 109 | 2.3K | 2.2K |
| 398 | Information Science | 11 | 108 | 487 | 881 |
| 399 | Distance Education | 8 | 107 | 134 | 190 |
| 400 | Oncogenes | 2 | 106 | 1.8K | 2.0K |
| 401 | Fermentation | 2 | 105 | 261 | 105 |
| 401 | Microcirculation | 2 | 105 | 614 | 410 |
| 401 | Food | 6 | 105 | 2.4K | 3.0K |
| 401 | Blood vessels | 2 | 105 | 400 | 258 |
| 405 | Econometrics | 11 | 103 | 499 | 803 |
| 405 | Suicide | 4 | 103 | 517 | 515 |
| 407 | Cell differentiation | 6 | 102 | 1.6K | 2.6K |
| 408 | Corporate governance | 7 | 101 | 246 | 526 |
| 408 | Obesity | 5 | 101 | 1.9K | 2.6K |
| 408 | Brain | 4 | 101 | 2.4K | 2.6K |
| 411 | Optoelectronics | 5 | 100 | 254 | 96 |
| 411 | Popular culture | 8 | 100 | 218 | 126 |
| 411 | Measurement | 3 | 100 | 601 | 387 |
| 411 | family violence | 3 | 100 | 402 | 429 |
| 415 | Higher Education | 10 | 99 | 115 | 208 |
| 415 | Sociolinguistics | 9 | 99 | 193 | 274 |
| 415 | Microbial Metabolism | 2 | 99 | 289 | 266 |
| 418 | Medical Physics | 6 | 98 | 1.4K | 1.6K |
| 419 | Waste management | 5 | 97 | 1.2K | 1.3K |
| 419 | Water Purification | 5 | 97 | 1.0K | 1.1K |
| 421 | Database Management | 5 | 96 | 487 | 602 |
| 421 | Translation | 6 | 96 | 61 | 45 |
| 421 | digital preservation | 2 | 96 | 124 | 71 |
| 421 | Geriatric Oncology | 3 | 96 | 638 | 646 |
| 421 | Teaching | 17 | 96 | 499 | 993 |
| 421 | Biomolecules | 4 | 96 | 405 | 677 |
| 421 | probabilities | 10 | 96 | 540 | 591 |
| 428 | Sustainable Development | 5 | 95 | 1.4K | 1.8K |
| 428 | Inclusive Education | 3 | 95 | 58 | 38 |
| 428 | Integration | 3 | 95 | 52 | 38 |
| 428 | Post-traumatic stress disorder | 2 | 95 | 1.0K | 857 |
| 432 | Crisis Intervention | 1 | 94 | 413 | 163 |
| 433 | International Relations | 19 | 93 | 362 | 626 |
| 433 | drugs | 2 | 93 | 3.2K | 2.4K |
| 435 | Economic Geography | 5 | 92 | 233 | 311 |
| 435 | European integration | 5 | 92 | 164 | 214 |
| 435 | Youth | 4 | 92 | 543 | 688 |
| 435 | Molecular structure | 6 | 92 | 1.6K | 2.2K |
| 435 | European Economic Community | 5 | 92 | 157 | 214 |
| 440 | Production Engineering | 7 | 91 | 1.2K | 1.4K |
| 440 | Kinetics | 2 | 91 | 765 | 414 |
| 440 | Adolescent Psychology | 4 | 91 | 753 | 841 |
| 440 | Chemical kinetics | 2 | 91 | 1.1K | 429 |
| 444 | Data Mining | 10 | 89 | 768 | 1.8K |
| 445 | Medical Anthropology | 3 | 88 | 1.3K | 1.5K |
| 445 | global environmental change | 4 | 88 | 730 | 979 |
| 445 | city planning | 5 | 88 | 1.1K | 1.0K |
| 448 | Psychopharmacology | 7 | 87 | 1.4K | 2.1K |
| 448 | Family | 5 | 87 | 715 | 910 |
| 448 | East Asia | 10 | 87 | 152 | 139 |
| 451 | Animal Behavior | 2 | 86 | 2.2K | 2.1K |
| 451 | Ethology | 2 | 86 | 1.6K | 1.7K |
| 451 | child behavior | 3 | 86 | 388 | 406 |
| 454 | Business | 9 | 85 | 949 | 1.4K |
| 454 | Latin America | 10 | 85 | 720 | 457 |
| 456 | Economic Development | 8 | 84 | 691 | 1.3K |
| 456 | Memory disorders | 1 | 84 | 438 | 233 |
| 458 | Socialization | 2 | 83 | 668 | 688 |
| 458 | plasma spraying | 5 | 83 | 177 | 245 |
| 458 | educational planning | 2 | 83 | 537 | 406 |
| 458 | planning | 6 | 83 | 257 | 340 |
| 458 | Vaccines | 4 | 83 | 1.6K | 1.9K |
| 463 | Nationalism | 7 | 82 | 111 | 109 |
| 463 | families | 5 | 82 | 608 | 689 |
| 463 | Dementia | 13 | 82 | 963 | 1.3K |
| 463 | Biodiversity | 3 | 82 | 2.8K | 2.7K |
| 467 | Biological Systems | 6 | 81 | 398 | 738 |
| 467 | Quantum Optics | 7 | 81 | 639 | 848 |
| 467 | Atomic spectroscopy | 7 | 81 | 660 | 860 |
| 467 | Laser Spectroscopy | 7 | 81 | 601 | 805 |
| 467 | optical devices | 3 | 81 | 565 | 416 |
| 472 | Child welfare | 6 | 80 | 571 | 860 |
| 472 | administrative agencies | 5 | 80 | 167 | 216 |
| 472 | Fluorescence | 2 | 80 | 581 | 336 |
| 472 | standardization | 1 | 80 | 197 | 68 |
| 476 | Labor Movement | 4 | 79 | 94 | 42 |
| 477 | Genetic testing | 1 | 78 | 867 | 229 |
| 477 | Magnetic Materials | 6 | 78 | 1.2K | 1.6K |
| 479 | Systems Engineering | 4 | 77 | 1.9K | 1.5K |
| 479 | Eurasia | 2 | 77 | 188 | 92 |
| 479 | software | 4 | 77 | 603 | 935 |
| 482 | Intelligent Transportation Systems | 3 | 76 | 772 | 557 |
| 482 | Teratology | 1 | 76 | 684 | 499 |
| 482 | Marine Pollution | 3 | 76 | 1.0K | 1.3K |
| 482 | Globalization | 6 | 76 | 313 | 574 |
| 482 | Public Choice | 3 | 76 | 348 | 400 |
| 482 | Group decision making | 3 | 76 | 468 | 516 |
| 482 | Hormones | 2 | 76 | 1.7K | 1.7K |
| 482 | abnormalities | 1 | 76 | 438 | 324 |
| 490 | Pharmacy | 3 | 75 | 2.4K | 2.5K |
| 490 | Oxidative stress | 2 | 75 | 1.6K | 1.8K |
| 490 | behavioral medicine | 4 | 75 | 1.3K | 1.9K |
| 490 | Semiconductors | 9 | 75 | 445 | 602 |
| 494 | Adult Education | 5 | 73 | 254 | 215 |
| 494 | Consumer education | 1 | 73 | 740 | 438 |
| 494 | Development | 3 | 73 | 450 | 418 |
| 497 | Physical organic chemistry | 3 | 71 | 1.6K | 1.5K |
| 497 | Diplomatic relations | 12 | 71 | 293 | 290 |
| 497 | System design | 1 | 71 | 561 | 242 |
| 500 | Neuropsychiatry | 4 | 70 | 901 | 1.2K |
| 500 | Continuing Education | 4 | 70 | 294 | 205 |
| 500 | adolescence | 6 | 70 | 631 | 1.1K |
| 500 | Molecular Spectroscopy | 4 | 70 | 1.3K | 1.5K |
| 500 | data collection | 7 | 70 | 646 | 1.5K |
| 505 | Crystallization | 5 | 69 | 474 | 421 |
| 506 | Rural Development | 8 | 68 | 124 | 185 |
| 506 | ethnicity | 4 | 68 | 567 | 485 |
| 506 | technology transfer | 1 | 68 | 561 | 338 |
| 506 | Endocrine glands | 1 | 68 | 646 | 726 |
| 510 | community development | 7 | 67 | 117 | 122 |
| 510 | personality | 3 | 67 | 976 | 1.3K |
| 510 | transport vesicles | 2 | 67 | 364 | 685 |
| 513 | feeding behavior | 4 | 66 | 573 | 923 |
| 513 | Appetite | 4 | 66 | 488 | 835 |
| 515 | biocatalysis | 1 | 65 | 368 | 525 |
| 515 | Homogeneous catalysis | 1 | 65 | 368 | 525 |
| 515 | Heterogeneous catalysis | 1 | 65 | 368 | 525 |
| 518 | Regional Economics | 3 | 64 | 391 | 367 |
| 518 | Disability Law | 2 | 64 | 240 | 180 |
| 518 | Protozoa | 2 | 64 | 564 | 562 |
| 521 | Cell division | 2 | 63 | 930 | 927 |
| 521 | Autism | 5 | 63 | 521 | 1.0K |
| 521 | drug evaluation | 2 | 63 | 1.9K | 1.7K |
| 524 | Pathology | 3 | 61 | 2.9K | 3.5K |
| 524 | Urban Policy | 1 | 61 | 836 | 511 |
| 524 | Bacteriology | 4 | 61 | 1.8K | 2.7K |
| 524 | Political Parties | 3 | 61 | 202 | 193 |
| 524 | role | 1 | 61 | 768 | 666 |
| 524 | Pregnancy | 3 | 61 | 1.0K | 1.1K |
| 530 | Diagnostic Imaging | 3 | 60 | 2.6K | 2.5K |
| 530 | Electrophysiology | 4 | 60 | 1.2K | 1.4K |
| 530 | Neurons | 1 | 60 | 1.3K | 1.7K |
| 533 | Pediatric Neurology | 1 | 59 | 2.1K | 2.2K |
| 533 | Probability | 5 | 59 | 486 | 826 |
| 533 | Psychosomatic Medicine | 2 | 59 | 942 | 1.1K |
| 533 | Schizophrenia | 1 | 59 | 1.6K | 1.4K |
| 533 | Electrocardiography | 1 | 59 | 675 | 281 |
| 533 | Digital humanities | 7 | 59 | 17 | 85 |
| 533 | Computational Complexity | 5 | 59 | 582 | 586 |
| 533 | Lipids | 3 | 59 | 1.6K | 2.1K |
| 541 | psychotherapy | 8 | 58 | 752 | 1.4K |
| 541 | Nonprofit organizations | 3 | 58 | 347 | 406 |
| 543 | Ophthalmology | 3 | 57 | 1.9K | 2.2K |
| 543 | Informatics | 3 | 57 | 1.0K | 1.2K |
| 545 | Project Management | 3 | 56 | 63 | 108 |
| 545 | Cytogenetics | 1 | 56 | 3.1K | 2.9K |
| 545 | Hemostasis | 6 | 56 | 659 | 1.1K |
| 545 | Patient education | 3 | 56 | 554 | 816 |
| 545 | Radio | 3 | 56 | 941 | 658 |
| 545 | biomimicry | 2 | 56 | 200 | 228 |
| 551 | Computer-Aided Design | 2 | 55 | 1.3K | 1.2K |
| 552 | Hematopoietic stem cell transplantation | 1 | 54 | 1.0K | 947 |
| 552 | Multilingualism | 5 | 54 | 92 | 136 |
| 552 | locomotion | 2 | 54 | 678 | 751 |
| 552 | posture | 2 | 54 | 678 | 751 |
| 552 | educational innovations | 2 | 54 | 631 | 487 |
| 552 | gait | 2 | 54 | 678 | 751 |
| 552 | Textile industry | 1 | 54 | 1.1K | 452 |
| 552 | walking | 2 | 54 | 678 | 751 |
| 560 | Community Psychology | 3 | 53 | 627 | 844 |
| 560 | Molecular Microbiology | 2 | 53 | 1.3K | 1.8K |
| 560 | drug resistance | 1 | 53 | 1.5K | 1.1K |
| 560 | Evidence-Based Medicine | 6 | 53 | 964 | 1.7K |
| 560 | breastfeeding | 6 | 53 | 355 | 769 |
| 565 | Public Policy | 7 | 52 | 1.0K | 2.1K |
| 566 | Law | 10 | 51 | 872 | 813 |
| 566 | Theology | 25 | 51 | 182 | 136 |
| 566 | Pharmaceutical Technology | 3 | 51 | 1.6K | 2.0K |
| 566 | School Improvement Programs | 4 | 51 | 15 | 29 |
| 566 | Gastrointestinal diseases | 1 | 51 | 1.6K | 1.0K |
| 571 | Respiratory system | 1 | 50 | 1.3K | 1.1K |
| 571 | Navier-Stokes equations | 2 | 50 | 208 | 108 |
| 573 | food contamination | 2 | 49 | 1.2K | 1.1K |
| 573 | fuel cells | 4 | 49 | 1.2K | 1.8K |
| 573 | Eastern Europe | 10 | 49 | 331 | 570 |
| 573 | mammals | 2 | 49 | 1.5K | 1.4K |
| 573 | Creativity | 2 | 49 | 143 | 220 |
| 578 | Geometry | 1 | 48 | 1.8K | 818 |
| 578 | Infection control | 4 | 48 | 748 | 1.2K |
| 578 | Plant breeding | 1 | 48 | 1.7K | 1.3K |
| 578 | Transgenic plants | 1 | 48 | 1.0K | 948 |
| 578 | Steroids | 2 | 48 | 1.1K | 1.2K |
| 583 | cultural policy | 6 | 47 | 99 | 157 |
| 583 | Preoperative Care | 2 | 47 | 123 | 109 |
| 583 | perioperative care | 2 | 47 | 120 | 109 |
| 583 | Feasibility studies | 4 | 47 | 267 | 212 |
| 583 | Ultrasonics | 1 | 47 | 1.7K | 1.6K |
| 583 | Ferroelectricity | 1 | 47 | 965 | 411 |
| 583 | Sound | 1 | 47 | 1.4K | 636 |
| 583 | Middle East | 6 | 47 | 374 | 275 |
| 583 | Alzheimer's disease | 9 | 47 | 1.2K | 1.7K |
| 583 | Ultrasound | 1 | 47 | 896 | 705 |
| 583 | Radio frequency | 1 | 47 | 729 | 399 |
| 583 | Metals | 5 | 47 | 1.5K | 1.7K |
| 595 | nursing education | 1 | 46 | 326 | 154 |
| 595 | Cellular senescence | 1 | 46 | 1.6K | 1.6K |
| 595 | Reproduction | 3 | 46 | 2.7K | 3.3K |
| 598 | Materials Engineering | 1 | 45 | 1.1K | 533 |
| 598 | Information Systems | 4 | 45 | 1.1K | 1.7K |
| 598 | Histochemistry | 2 | 45 | 1.6K | 1.6K |
| 598 | Number Theory | 2 | 45 | 889 | 420 |
| 598 | Evolution | 4 | 45 | 1.9K | 3.1K |
| 603 | Mathematics Education | 6 | 44 | 167 | 361 |
| 603 | Altitude Sickness | 2 | 44 | 221 | 228 |
| 603 | Sensor Networks | 8 | 44 | 83 | 296 |
| 603 | Altitude | 2 | 44 | 221 | 228 |
| 603 | language | 1 | 44 | 1.3K | 919 |
| 608 | Emergency Nursing | 1 | 43 | 314 | 184 |
| 608 | Mass Spectrometry | 6 | 43 | 1.1K | 2.0K |
| 608 | nuclear magnetic resonance | 1 | 43 | 1.8K | 1.3K |
| 608 | Magnetic Resonance Spectroscopy | 1 | 43 | 2.1K | 1.5K |
| 608 | older people | 7 | 43 | 1.2K | 1.9K |
| 608 | DNA | 2 | 43 | 907 | 951 |
| 614 | Pediatrics | 5 | 42 | 2.6K | 4.4K |
| 614 | Global Health | 3 | 42 | 1.3K | 1.4K |
| 614 | Environmental Microbiology | 1 | 42 | 2.5K | 2.6K |
| 614 | Immunochemistry | 1 | 42 | 1.5K | 1.2K |
| 614 | sustainability | 2 | 42 | 1.1K | 1.4K |
| 614 | pollutants | 2 | 42 | 2.3K | 2.9K |
| 614 | Transformative Learning | 16 | 42 | 1 | 2 |
| 614 | Environmental pollutants | 2 | 42 | 2.8K | 3.3K |
| 614 | immunoassay | 1 | 42 | 305 | 109 |
| 614 | cultural pluralism | 3 | 42 | 298 | 282 |
| 614 | Export Marketing | 1 | 42 | 246 | 387 |
| 625 | Molecular Pharmacology | 2 | 41 | 1.2K | 1.6K |
| 625 | Environmental Toxicology | 1 | 41 | 4.1K | 4.1K |
| 625 | Radiography | 1 | 41 | 1.3K | 1.1K |
| 625 | Digital Media | 3 | 41 | 106 | 172 |
| 625 | Immunopathology | 3 | 41 | 1.6K | 2.3K |
| 625 | Program Evaluation | 3 | 41 | 75 | 140 |
| 625 | actuators | 2 | 41 | 768 | 674 |
| 625 | Interactive multimedia | 7 | 41 | 169 | 299 |
| 625 | Microscopy | 3 | 41 | 2.0K | 2.0K |
| 625 | European Union | 4 | 41 | 130 | 207 |
| 625 | evaluation | 3 | 41 | 150 | 189 |
| 625 | Online journalism | 3 | 41 | 79 | 168 |
| 625 | transducers | 2 | 41 | 768 | 674 |
| 638 | Internet of Things | 3 | 40 | 703 | 653 |
| 638 | gene therapy | 2 | 40 | 1.8K | 2.3K |
| 638 | Industry | 1 | 40 | 402 | 556 |
| 638 | Oxidation-reduction | 2 | 40 | 1.1K | 1.8K |
| 642 | Educational Sociology | 3 | 39 | 261 | 348 |
| 642 | Geopolitics | 3 | 39 | 169 | 191 |
| 642 | Vaccination | 1 | 39 | 500 | 469 |
| 642 | Calorimetry | 2 | 39 | 1.5K | 1.5K |
| 642 | Thermal analysis | 2 | 39 | 1.5K | 1.5K |
| 647 | Anatomy | 2 | 38 | 2.9K | 3.2K |
| 647 | Gene expression regulation | 3 | 38 | 1.2K | 1.8K |
| 647 | Molecular ecology | 1 | 38 | 2.1K | 2.4K |
| 647 | international trade | 3 | 38 | 502 | 564 |
| 647 | Cell death | 1 | 38 | 2.2K | 2.5K |
| 647 | women | 3 | 38 | 716 | 641 |
| 647 | autism spectrum disorder | 2 | 38 | 61 | 112 |
| 654 | Algorithms | 4 | 37 | 464 | 670 |
| 654 | Fiber Optics | 9 | 37 | 117 | 205 |
| 654 | Qualitative Research | 4 | 37 | 404 | 636 |
| 654 | System analysis | 7 | 37 | 1.4K | 2.6K |
| 654 | Liquid chromatography | 4 | 37 | 285 | 377 |
| 659 | commerce | 3 | 36 | 1.6K | 1.8K |
| 660 | Differential Equations | 3 | 35 | 435 | 336 |
| 660 | Entropy | 6 | 35 | 762 | 1.4K |
| 660 | Communism | 1 | 35 | 254 | 146 |
| 660 | Trace elements | 3 | 35 | 301 | 720 |
| 664 | Human Geography | 3 | 34 | 1.0K | 1.1K |
| 664 | Mathematical Linguistics | 5 | 34 | 14 | 15 |
| 664 | Counseling Psychology | 4 | 34 | 152 | 362 |
| 664 | Forecasting | 4 | 34 | 241 | 489 |
| 664 | Hospitals | 3 | 34 | 849 | 1.3K |
| 664 | Economic Assistance | 3 | 34 | 336 | 518 |
| 664 | economic development projects | 4 | 34 | 129 | 359 |
| 664 | Flow cytometry | 1 | 34 | 1.0K | 913 |
| 672 | Industrial Sociology | 1 | 33 | 280 | 279 |
| 672 | Computational Intelligence | 4 | 33 | 873 | 1.2K |
| 672 | Catalysts | 1 | 33 | 1.2K | 1.0K |
| 675 | Dietetics | 1 | 32 | 1.4K | 1.1K |
| 675 | Genetic epidemiology | 1 | 32 | 678 | 719 |
| 675 | Africa | 2 | 32 | 1.9K | 1.5K |
| 675 | heredity | 1 | 32 | 1.5K | 1.3K |
| 675 | technical education | 2 | 32 | 553 | 565 |
| 675 | multimedia | 6 | 32 | 131 | 254 |
| 675 | population geography | 4 | 32 | 201 | 410 |
| 682 | Dynamics | 6 | 31 | 1.4K | 2.1K |
| 682 | Ethnic relations | 8 | 31 | 183 | 401 |
| 682 | Language Policy | 4 | 31 | 46 | 156 |
| 682 | Catholic Church | 5 | 31 | 237 | 29 |
| 686 | foreign policy | 2 | 30 | 370 | 225 |
| 686 | Germany | 4 | 30 | 597 | 556 |
| 686 | Written communication | 1 | 30 | 211 | 186 |
| 689 | Botany | 1 | 29 | 5.6K | 5.5K |
| 689 | Experimental Psychology | 3 | 29 | 605 | 905 |
| 689 | Education policy | 1 | 29 | 73 | 60 |
| 689 | Intelligent Control Systems | 2 | 29 | 1.6K | 1.4K |
| 689 | Arab-Israeli Conflict | 1 | 29 | 201 | 78 |
| 689 | chronic disease | 2 | 29 | 396 | 568 |
| 689 | Chronic diseases | 2 | 29 | 990 | 1.5K |
| 696 | Meteorology | 2 | 28 | 2.9K | 3.9K |
| 696 | Neural circuitry | 3 | 28 | 1.4K | 2.3K |
| 696 | livestock | 1 | 28 | 1.0K | 720 |
| 699 | Tourism | 2 | 27 | 1.6K | 1.9K |
| 699 | Transportation | 2 | 27 | 1.6K | 1.6K |
| 699 | Genetic regulation | 2 | 27 | 1.7K | 2.5K |
| 699 | Malaria | 1 | 27 | 1.5K | 1.5K |
| 699 | protein | 2 | 27 | 1.8K | 2.2K |
| 699 | peace | 6 | 27 | 291 | 760 |
| 699 | Documentation | 2 | 27 | 528 | 558 |
| 699 | Genetic therapy | 4 | 27 | 1.5K | 2.8K |
| 699 | pharmaceutical industry | 1 | 27 | 1.0K | 833 |
| 699 | Bacterial diseases | 1 | 27 | 570 | 621 |
| 709 | Philosophy | 21 | 26 | 660 | 1.2K |
| 709 | Orthopedics | 4 | 26 | 1.7K | 2.7K |
| 709 | Neurobiology | 1 | 26 | 2.9K | 3.2K |
| 709 | Educational Leadership | 1 | 26 | 319 | 183 |
| 709 | Raman spectroscopy | 3 | 26 | 718 | 1.3K |
| 709 | recreation | 4 | 26 | 377 | 569 |
| 709 | Emotions | 1 | 26 | 898 | 1.0K |
| 716 | Systems Theory | 5 | 25 | 400 | 797 |
| 716 | Religion and Politics | 1 | 25 | 155 | 93 |
| 716 | Antioxidants | 2 | 25 | 1.0K | 1.8K |
| 716 | Exercise therapy | 2 | 25 | 595 | 682 |
| 716 | Mobile Commerce | 3 | 25 | 367 | 308 |
| 716 | Plant hormones | 1 | 25 | 659 | 752 |
| 716 | Language planning | 5 | 25 | 78 | 120 |
| 723 | Geography | 12 | 24 | 1.1K | 3.0K |
| 723 | Public Relations | 4 | 24 | 250 | 482 |
| 723 | Systems Biology | 3 | 24 | 2.0K | 3.3K |
| 723 | Diagnostic microbiology | 1 | 24 | 2.6K | 3.3K |
| 727 | Statistics | 3 | 23 | 2.4K | 3.0K |
| 727 | Actuarial Science | 2 | 23 | 58 | 63 |
| 727 | Educational Research | 3 | 23 | 72 | 178 |
| 727 | Psychometrics | 1 | 23 | 667 | 680 |
| 727 | emergency management | 2 | 23 | 1.3K | 1.6K |
| 727 | Feminist theory | 3 | 23 | 166 | 227 |
| 727 | Climate change | 1 | 23 | 2.0K | 2.6K |
| 727 | Nanomanufacturing | 3 | 23 | 112 | 113 |
| 727 | organizational effectiveness | 2 | 23 | 597 | 810 |
| 727 | atmospheric models | 1 | 23 | 1.2K | 1.3K |
| 737 | Development Economics | 1 | 22 | 919 | 873 |
| 737 | Cosmology | 4 | 22 | 1.1K | 1.3K |
| 737 | Quantum electronics | 9 | 22 | 510 | 1.2K |
| 737 | Electromagnetism | 2 | 22 | 992 | 1.1K |
| 737 | Smart Materials | 1 | 22 | 1.3K | 1.3K |
| 737 | Food additives | 1 | 22 | 1.3K | 1.3K |
| 743 | Political Psychology | 2 | 21 | 411 | 672 |
| 743 | insurgency | 2 | 21 | 26 | 32 |
| 743 | greenhouse effect | 1 | 21 | 187 | 227 |
| 743 | Social welfare | 2 | 21 | 837 | 1.1K |
| 743 | Bilingualism | 2 | 21 | 242 | 436 |
| 743 | Social Systems | 4 | 21 | 117 | 279 |
| 743 | Radio wave propagation | 4 | 21 | 766 | 1.2K |
| 743 | Carbon | 1 | 21 | 358 | 354 |
| 743 | Carbon dioxide | 1 | 21 | 187 | 227 |
| 743 | Social behavior | 1 | 21 | 2.1K | 2.2K |
| 743 | Social work | 1 | 21 | 2.3K | 1.8K |
| 743 | Climate | 1 | 21 | 1.1K | 1.3K |
| 755 | Neuropsychology | 5 | 20 | 1.8K | 3.8K |
| 755 | Hydrology | 1 | 20 | 3.9K | 3.6K |
| 755 | Signal Transduction | 2 | 20 | 1.9K | 2.9K |
| 755 | History of Medicine | 2 | 20 | 756 | 476 |
| 755 | Quality Control | 1 | 20 | 2.3K | 2.1K |
| 755 | Nutrition physiology | 1 | 20 | 1.5K | 1.8K |
| 755 | Diffraction | 3 | 20 | 83 | 132 |
| 755 | Democracy | 3 | 20 | 275 | 261 |
| 755 | Democratization | 3 | 20 | 52 | 140 |
| 755 | Rheology | 1 | 20 | 1.1K | 1.1K |
| 755 | Powder Metallurgy | 3 | 20 | 394 | 355 |
| 755 | Water Microbiology | 1 | 20 | 985 | 1.2K |
| 755 | Mycology | 1 | 20 | 2.7K | 2.8K |
| 755 | Capital market | 2 | 20 | 42 | 97 |
| 755 | Electromagnetic fields | 1 | 20 | 646 | 355 |
| 755 | Protein engineering | 2 | 20 | 365 | 698 |
| 755 | molecular design | 2 | 20 | 371 | 699 |
| 772 | Computer Graphics | 4 | 19 | 1.1K | 2.0K |
| 772 | Psychoneuroimmunology | 1 | 19 | 986 | 1.5K |
| 772 | Food Microbiology | 1 | 19 | 2.2K | 2.7K |
| 772 | Neuroimmunology | 1 | 19 | 1.1K | 1.7K |
| 772 | Knowledge management | 3 | 19 | 426 | 719 |
| 772 | France | 10 | 19 | 177 | 507 |
| 772 | lasers | 8 | 19 | 996 | 2.1K |
| 772 | community music | 2 | 19 | 43 | 45 |
| 780 | Criminal Law | 4 | 18 | 235 | 478 |
| 780 | Geriatric Nursing | 1 | 18 | 770 | 798 |
| 780 | Family Therapy | 1 | 18 | 1.3K | 1.3K |
| 780 | child mental health | 1 | 18 | 846 | 921 |
| 780 | Imaging systems | 1 | 18 | 1.3K | 827 |
| 780 | cell interaction | 2 | 18 | 1.7K | 2.6K |
| 780 | Cerebellum | 1 | 18 | 636 | 819 |
| 780 | Cerebellar ataxia | 1 | 18 | 636 | 819 |
| 788 | Lexicography | 1 | 17 | 119 | 58 |
| 788 | Forensic Psychiatry | 2 | 17 | 694 | 948 |
| 788 | Active Learning | 1 | 17 | 149 | 215 |
| 788 | Semantic web | 1 | 17 | 256 | 212 |
| 788 | animal diseases | 1 | 17 | 1.0K | 1.2K |
| 788 | Vision | 1 | 17 | 953 | 1.2K |
| 788 | crime | 2 | 17 | 811 | 1.0K |
| 795 | Religious Education | 8 | 16 | 25 | 90 |
| 795 | Organizational learning | 1 | 16 | 877 | 766 |
| 795 | Critical Discourse Analysis | 1 | 16 | 57 | 65 |
| 795 | Inorganic Polymers | 1 | 16 | 75 | 88 |
| 795 | Inflammation | 1 | 16 | 2.5K | 3.2K |
| 795 | Gender identity | 2 | 16 | 333 | 376 |
| 795 | exobiology | 2 | 16 | 513 | 891 |
| 795 | Ethnology | 3 | 16 | 1.5K | 2.1K |
| 795 | Social problems | 2 | 16 | 683 | 1.1K |
| 795 | Organometallic polymers | 1 | 16 | 75 | 88 |
| 805 | Geology | 1 | 15 | 4.2K | 4.1K |
| 805 | Mineralogy | 2 | 15 | 1.6K | 2.2K |
| 805 | Social History | 2 | 15 | 707 | 678 |
| 805 | Social Media | 2 | 15 | 256 | 306 |
| 805 | Optoelectronic devices | 4 | 15 | 783 | 1.2K |
| 805 | Chemical structure | 3 | 15 | 556 | 962 |
| 805 | United Nations | 1 | 15 | 63 | 46 |
| 805 | synthesis | 2 | 15 | 1.1K | 1.4K |
| 805 | Spain | 6 | 15 | 551 | 757 |
| 814 | Humanities | 2 | 14 | 2.7K | 2.5K |
| 814 | Pharmacognosy | 1 | 14 | 2.7K | 3.5K |
| 814 | Developmental Psychology | 3 | 14 | 1.1K | 2.0K |
| 814 | Telemedicine | 1 | 14 | 1.0K | 1.3K |
| 814 | Amyotrophic Lateral Sclerosis | 2 | 14 | 287 | 586 |
| 814 | Frontotemporal lobar degeneration | 2 | 14 | 259 | 509 |
| 814 | peer review | 1 | 14 | 207 | 156 |
| 814 | Portfolio Management | 1 | 14 | 669 | 623 |
| 814 | Outdoor Education | 1 | 14 | 122 | 121 |
| 814 | Securities | 1 | 14 | 160 | 156 |
| 814 | glycoproteins | 1 | 14 | 1.0K | 1.4K |
| 814 | Financial Institutions | 1 | 14 | 570 | 599 |
| 814 | Glycoconjugates | 1 | 14 | 1.0K | 1.4K |
| 814 | natural products | 1 | 14 | 3.0K | 3.1K |
| 814 | Oligosaccharide | 1 | 14 | 738 | 1.1K |
| 814 | Carbohydrates | 1 | 14 | 862 | 1.2K |
| 814 | scholarly publishing | 1 | 14 | 352 | 339 |
| 814 | Reading | 4 | 14 | 457 | 1.0K |
| 814 | Capitalism | 3 | 14 | 167 | 462 |
| 814 | North Africa | 3 | 14 | 123 | 107 |
| 814 | vitamin C | 1 | 14 | 681 | 994 |
| 814 | international cooperation | 2 | 14 | 803 | 1.5K |
| 814 | vitamin E | 1 | 14 | 681 | 994 |
| 814 | Investments | 3 | 14 | 612 | 1.2K |
| 814 | environmental issues | 1 | 14 | 891 | 1.2K |
| 814 | glycolipids | 1 | 14 | 1.0K | 1.4K |
| 840 | Energy Conversion | 1 | 13 | 2.0K | 2.5K |
| 840 | Special Education | 5 | 13 | 576 | 1.3K |
| 840 | Energy Storage | 1 | 13 | 2.1K | 2.4K |
| 840 | Online social networks | 2 | 13 | 368 | 739 |
| 840 | mental health promotion | 2 | 13 | 102 | 331 |
| 840 | child sexual abuse | 1 | 13 | 246 | 364 |
| 840 | information policy | 2 | 13 | 65 | 123 |
| 840 | particles | 1 | 13 | 1.1K | 1.3K |
| 840 | Jurisprudence | 3 | 13 | 1.1K | 1.9K |
| 840 | national security | 2 | 13 | 349 | 355 |
| 840 | Eigenvalues | 10 | 13 | 87 | 196 |
| 851 | Arts | 2 | 12 | 656 | 409 |
| 851 | Industrial Engineering | 2 | 12 | 2.5K | 3.5K |
| 851 | Land Use Planning | 1 | 12 | 420 | 602 |
| 851 | Political Sociology | 1 | 12 | 707 | 781 |
| 851 | Social Ethics | 1 | 12 | 329 | 275 |
| 851 | Renewable Energy Sources | 2 | 12 | 1.5K | 2.4K |
| 851 | electric vehicles | 2 | 12 | 273 | 355 |
| 851 | Public opinion | 2 | 12 | 455 | 784 |
| 851 | Sarcopenia | 1 | 12 | 828 | 1.3K |
| 851 | Financial management | 2 | 12 | 737 | 1.5K |
| 851 | Language Arts | 1 | 12 | 207 | 241 |
| 851 | society | 2 | 12 | 120 | 241 |
| 851 | Christianity | 3 | 12 | 250 | 114 |
| 851 | Islam | 2 | 12 | 759 | 721 |
| 851 | school sports | 2 | 12 | 92 | 175 |
| 851 | Instructional materials | 1 | 12 | 41 | 58 |
| 851 | Literacy | 1 | 12 | 495 | 509 |
| 851 | Muscles | 1 | 12 | 1.9K | 2.4K |
| 851 | drug control | 1 | 12 | 611 | 933 |
| 851 | mathematical analysis | 1 | 12 | 2.8K | 2.3K |
| 871 | Hypertension | 1 | 11 | 3.2K | 4.0K |
| 871 | Risk Management | 1 | 11 | 1.5K | 1.9K |
| 871 | Long-Term Care | 1 | 11 | 1.2K | 1.6K |
| 871 | Electronic Packaging | 2 | 11 | 243 | 386 |
| 871 | Long-term care facilities | 1 | 11 | 1.2K | 1.6K |
| 871 | Mixed methods research | 2 | 11 | 63 | 285 |
| 871 | Biogeochemistry | 3 | 11 | 1.1K | 2.3K |
| 871 | Labor Unions | 1 | 11 | 471 | 463 |
| 871 | DNA methylation | 1 | 11 | 628 | 952 |
| 871 | Risk | 1 | 11 | 1.2K | 1.6K |
| 871 | Housing | 1 | 11 | 412 | 476 |
| 871 | labor | 2 | 11 | 449 | 637 |
| 871 | Migration | 2 | 11 | 229 | 461 |
| 871 | Play | 1 | 11 | 47 | 48 |
| 871 | working class | 2 | 11 | 295 | 500 |
| 871 | Leisure | 1 | 11 | 517 | 652 |
| 887 | Gender Studies | 3 | 10 | 396 | 964 |
| 887 | Environmental Law | 2 | 10 | 1.3K | 2.6K |
| 887 | Environmental Economics | 1 | 10 | 779 | 943 |
| 887 | Control Theory | 3 | 10 | 1.8K | 2.7K |
| 887 | Virtual reality | 1 | 10 | 785 | 919 |
| 887 | Political Ecology | 1 | 10 | 180 | 166 |
| 887 | Drug targeting | 1 | 10 | 584 | 994 |
| 887 | Sovereignty | 1 | 10 | 150 | 233 |
| 887 | taxation | 3 | 10 | 146 | 398 |
| 887 | Cognitive Therapy | 2 | 10 | 779 | 1.4K |
| 887 | Feminism | 2 | 10 | 651 | 883 |
| 887 | Feminist Jurisprudence | 2 | 10 | 50 | 98 |
| 887 | patents | 1 | 10 | 276 | 432 |
| 887 | mass transfer | 2 | 10 | 595 | 1.1K |
| 887 | International security | 3 | 10 | 234 | 664 |
| 887 | isomerism | 1 | 10 | 777 | 1.0K |
| 887 | immigrants | 2 | 10 | 22 | 61 |
| 887 | Electroconvulsive therapy | 1 | 10 | 232 | 336 |
| 887 | Computer Literacy | 1 | 10 | 510 | 694 |
| 887 | Chirality | 1 | 10 | 777 | 1.0K |
| 887 | natural disasters | 1 | 10 | 2.3K | 3.1K |
| 887 | conflict management | 3 | 10 | 287 | 748 |
| 909 | Chronobiology | 1 | 9 | 639 | 807 |
| 909 | Language Acquisition | 1 | 9 | 790 | 938 |
| 909 | Phonetics | 1 | 9 | 393 | 489 |
| 909 | Phonology | 1 | 9 | 53 | 83 |
| 909 | School Psychology | 1 | 9 | 715 | 1.1K |
| 909 | Remote Sensing | 1 | 9 | 1.5K | 1.7K |
| 909 | Communication and Culture | 3 | 9 | 211 | 364 |
| 909 | biological clocks | 1 | 9 | 639 | 807 |
| 909 | Maternal health services | 1 | 9 | 952 | 1.4K |
| 909 | Action Research | 2 | 9 | 239 | 555 |
| 909 | Cell adhesion | 1 | 9 | 299 | 564 |
| 909 | sadness | 3 | 9 | 225 | 731 |
| 909 | consumers | 1 | 9 | 646 | 894 |
| 909 | circadian rhythm | 1 | 9 | 639 | 807 |
| 909 | Radio waves | 2 | 9 | 429 | 538 |
| 909 | biological rhythms | 1 | 9 | 636 | 805 |
| 909 | death | 3 | 9 | 252 | 758 |
| 909 | Women's health | 1 | 9 | 2.7K | 3.4K |
| 909 | Brain damage | 2 | 9 | 533 | 1.1K |
| 909 | India | 1 | 9 | 3.3K | 2.8K |
| 909 | Southern states | 1 | 9 | 668 | 736 |
| 909 | race relations | 2 | 9 | 621 | 933 |
| 909 | Entomology | 1 | 9 | 3.8K | 4.1K |
| 909 | antisocial personality disorder | 3 | 9 | 225 | 731 |
| 909 | cycles | 1 | 9 | 166 | 186 |
| 934 | Oceanography | 1 | 8 | 2.4K | 3.0K |
| 934 | Fluid Mechanics | 3 | 8 | 1.8K | 2.8K |
| 934 | Quality Management | 1 | 8 | 251 | 342 |
| 934 | Multicultural Education | 3 | 8 | 259 | 582 |
| 934 | Human Rights | 4 | 8 | 438 | 1.2K |
| 934 | Total Quality Management | 1 | 8 | 927 | 1.3K |
| 934 | Enzyme inhibitors | 1 | 8 | 773 | 1.2K |
| 934 | Music and Technology | 1 | 8 | 48 | 51 |
| 934 | Educational measurement | 1 | 8 | 337 | 452 |
| 934 | Lawyers | 1 | 8 | 23 | 8 |
| 934 | body temperature | 2 | 8 | 383 | 1.1K |
| 934 | Microwaves | 3 | 8 | 1.3K | 1.8K |
| 934 | World Wide Web | 3 | 8 | 377 | 927 |
| 934 | police | 4 | 8 | 290 | 640 |
| 934 | Agriculture | 2 | 8 | 2.9K | 4.4K |
| 949 | Teacher Education | 1 | 7 | 63 | 108 |
| 949 | Queer Studies | 1 | 7 | 515 | 799 |
| 949 | Fluid Dynamics | 1 | 7 | 1.6K | 1.9K |
| 949 | Clinical Immunology | 1 | 7 | 2.3K | 3.1K |
| 949 | Microelectronics | 2 | 7 | 2.1K | 3.4K |
| 949 | Adsorption | 1 | 7 | 426 | 649 |
| 949 | soil conservation | 1 | 7 | 1.5K | 2.2K |
| 949 | Radiation | 1 | 7 | 3.0K | 3.8K |
| 949 | Scheduling | 1 | 7 | 286 | 479 |
| 949 | Synchrotron Radiation | 1 | 7 | 789 | 1.1K |
| 949 | soil pollution | 1 | 7 | 1.1K | 1.6K |
| 949 | Production Scheduling | 1 | 7 | 286 | 479 |
| 949 | Happiness | 1 | 7 | 835 | 1.3K |
| 949 | social justice | 1 | 7 | 533 | 600 |
| 949 | Citizenship | 1 | 7 | 194 | 291 |
| 949 | Mycotoxins | 1 | 7 | 347 | 573 |
| 949 | Library Science | 1 | 7 | 2.3K | 2.0K |
| 949 | homosexuality | 1 | 7 | 723 | 1.1K |
| 949 | community organization | 1 | 7 | 62 | 85 |
| 949 | computable functions | 1 | 7 | 43 | 74 |
| 949 | Fuzzy systems | 1 | 7 | 2.7K | 3.0K |
| 970 | Automation | 1 | 6 | 2.4K | 2.9K |
| 970 | Ethnic Conflict | 1 | 6 | 366 | 601 |
| 970 | Energy Consumption | 2 | 6 | 295 | 805 |
| 970 | civil rights | 1 | 6 | 587 | 715 |
| 970 | Molecular cloning | 1 | 6 | 2.3K | 3.3K |
| 970 | Genetic recombination | 1 | 6 | 2.3K | 3.2K |
| 970 | Database Security | 1 | 6 | 192 | 316 |
| 970 | Religion and Culture | 3 | 6 | 184 | 502 |
| 970 | Holistic Health | 1 | 6 | 869 | 1.3K |
| 970 | Sexuality | 1 | 6 | 519 | 791 |
| 970 | school environment | 1 | 6 | 201 | 365 |
| 970 | forced migration | 1 | 6 | 366 | 601 |
| 970 | Recombinant DNA | 1 | 6 | 2.5K | 3.5K |
| 970 | allied health | 1 | 6 | 437 | 744 |
| 970 | Nonlinear systems | 1 | 6 | 1.1K | 1.4K |
| 970 | sexual behavior | 1 | 6 | 1.1K | 1.6K |
| 970 | sports equipment | 1 | 6 | 119 | 146 |
| 987 | History | 4 | 5 | 1.1K | 1.1K |
| 987 | Telecommunication Systems | 4 | 5 | 1.2K | 2.6K |
| 987 | Ceramics | 1 | 5 | 2.6K | 3.2K |
| 987 | Inorganic Chemistry | 1 | 5 | 285 | 646 |
| 987 | Databases | 1 | 5 | 618 | 865 |
| 987 | International Law | 3 | 5 | 388 | 490 |
| 987 | Animal Nutrition | 1 | 5 | 948 | 1.4K |
| 987 | Animal breeding | 1 | 5 | 1.2K | 1.7K |
| 987 | Fracture mechanics | 1 | 5 | 1.3K | 1.8K |
| 987 | Well-being | 1 | 5 | 264 | 522 |
| 987 | Leadership | 1 | 5 | 754 | 1.2K |
| 987 | elder abuse | 1 | 5 | 527 | 979 |
| 987 | Animal genetics | 1 | 5 | 1.0K | 1.5K |
| 987 | Elderly | 4 | 5 | 1.3K | 2.2K |
