| 1 | Chemistry | 235 | 12.4K | 1,261 | 1,074 |
| 2 | Physics | 253 | 10.7K | 1,096 | 1,172 |
| 3 | Biology | 173 | 10.4K | 1,039 | 1,066 |
| 4 | Science | 168 | 10.1K | 1,165 | 1,123 |
| 5 | Polymers | 164 | 9.7K | 570 | 330 |
| 6 | polymerization | 143 | 8.9K | 507 | 273 |
| 7 | Materials | 165 | 8.3K | 875 | 723 |
| 8 | Economics | 89 | 6.8K | 752 | 309 |
| 9 | Econometrics | 24 | 5.8K | 417 | 88 |
| 10 | economic forecasting | 8 | 5.6K | 115 | 4 |
| 11 | Forecasting | 8 | 5.5K | 247 | 5 |
| 12 | Materials Science | 98 | 5.4K | 773 | 600 |
| 13 | Mathematical Physics | 66 | 5.2K | 599 | 230 |
| 14 | Medicine | 188 | 5.0K | 1,140 | 1,350 |
| 15 | marketing | 41 | 4.9K | 413 | 196 |
| 16 | Signal Processing | 75 | 4.7K | 405 | 288 |
| 17 | Nanotechnology | 135 | 4.6K | 714 | 859 |
| 18 | Biocompatible Materials | 92 | 4.5K | 630 | 645 |
| 19 | Chemical Engineering | 75 | 4.4K | 984 | 760 |
| 20 | Statistical physics | 195 | 4.4K | 415 | 476 |
| 21 | Image Processing | 55 | 4.1K | 376 | 222 |
| 22 | Operations Research | 121 | 4.1K | 148 | 161 |
| 23 | Molecular Biology | 116 | 4.1K | 1,280 | 1,347 |
| 24 | Psychology | 102 | 4.1K | 729 | 581 |
| 25 | Telecommunication | 71 | 3.8K | 388 | 299 |
| 26 | Biochemistry | 123 | 3.6K | 1,548 | 1,574 |
| 27 | Nuclear Physics | 173 | 3.6K | 752 | 852 |
| 28 | Economic History | 90 | 3.3K | 378 | 235 |
| 29 | Wireless Communication Systems | 96 | 3.3K | 268 | 250 |
| 30 | Optics | 141 | 3.0K | 594 | 557 |
| 31 | Research | 130 | 2.9K | 1,212 | 1,400 |
| 32 | Environment | 27 | 2.8K | 1,590 | 1,194 |
| 33 | Catalysis | 80 | 2.7K | 816 | 909 |
| 34 | Production Management | 45 | 2.7K | 143 | 183 |
| 35 | Microbiology | 57 | 2.6K | 1,421 | 1,321 |
| 36 | Nanostructured Materials | 62 | 2.4K | 695 | 676 |
| 37 | Industrial Engineering | 59 | 2.3K | 248 | 216 |
| 38 | Neurology | 106 | 2.3K | 817 | 1,089 |
| 39 | Medical Microbiology | 44 | 2.3K | 455 | 430 |
| 40 | Ecology | 42 | 2.3K | 1,720 | 1,547 |
| 41 | Manufacturing Processes | 55 | 2.3K | 402 | 284 |
| 42 | Medical genetics | 59 | 2.2K | 480 | 609 |
| 43 | Social Sciences | 45 | 2.2K | 711 | 372 |
| 44 | infection | 36 | 2.1K | 338 | 236 |
| 45 | Parasitic Diseases | 34 | 2.1K | 403 | 221 |
| 46 | Infections | 34 | 2.1K | 200 | 172 |
| 47 | Cytology | 44 | 2.1K | 1,036 | 1,048 |
| 48 | Biomedical Engineering | 93 | 2.1K | 770 | 989 |
| 49 | Cell Biology | 40 | 2.1K | 1,023 | 1,042 |
| 50 | Child Development | 42 | 2.0K | 405 | 349 |
| 51 | Human genetics | 25 | 2.0K | 593 | 832 |
| 52 | Electronics | 18 | 2.0K | 1,447 | 560 |
| 53 | Biophysics | 65 | 1.9K | 1,239 | 1,309 |
| 54 | Psychiatry | 50 | 1.8K | 907 | 890 |
| 55 | Composite Materials | 36 | 1.8K | 738 | 673 |
| 56 | Social Psychology | 31 | 1.8K | 610 | 483 |
| 57 | Computational Biology | 50 | 1.7K | 438 | 498 |
| 58 | Bioinformatics | 54 | 1.7K | 323 | 425 |
| 59 | Mental Disorders | 30 | 1.7K | 746 | 626 |
| 60 | nanoscience | 41 | 1.7K | 739 | 795 |
| 61 | Quantum Gravity | 46 | 1.7K | 724 | 654 |
| 62 | Developmental Psychology | 27 | 1.6K | 275 | 215 |
| 63 | consumer behavior | 11 | 1.6K | 191 | 65 |
| 64 | Public Health | 40 | 1.5K | 1,302 | 1,140 |
| 65 | Child psychology | 25 | 1.5K | 435 | 383 |
| 66 | Political Science | 26 | 1.5K | 560 | 266 |
| 67 | Memory | 22 | 1.5K | 566 | 385 |
| 68 | Biotechnology | 57 | 1.5K | 1,300 | 1,638 |
| 69 | Communication | 49 | 1.5K | 380 | 415 |
| 70 | Virology | 16 | 1.4K | 1,099 | 915 |
| 71 | Pollution | 19 | 1.4K | 2,289 | 1,756 |
| 72 | Nonlinear Dynamics | 50 | 1.4K | 491 | 501 |
| 73 | Developing countries | 37 | 1.4K | 440 | 384 |
| 74 | Psycholinguistics | 21 | 1.3K | 291 | 219 |
| 75 | finance | 28 | 1.3K | 712 | 474 |
| 76 | International Relations | 41 | 1.3K | 191 | 137 |
| 77 | Green Chemistry | 15 | 1.3K | 760 | 548 |
| 78 | Sustainable Engineering | 15 | 1.3K | 664 | 377 |
| 79 | Export Marketing | 8 | 1.3K | 54 | 11 |
| 80 | Optical materials | 35 | 1.3K | 745 | 827 |
| 81 | Mathematics | 117 | 1.3K | 1,184 | 1,257 |
| 82 | United States | 33 | 1.2K | 1,420 | 1,100 |
| 83 | Cognition | 64 | 1.2K | 303 | 468 |
| 84 | Natural history | 9 | 1.2K | 1,784 | 1,754 |
| 85 | Infertility | 23 | 1.2K | 246 | 244 |
| 85 | fertility | 23 | 1.2K | 268 | 258 |
| 87 | environmental pollution | 14 | 1.2K | 2,135 | 1,455 |
| 88 | Process Control | 29 | 1.1K | 139 | 264 |
| 89 | nucleic acids | 13 | 1.1K | 747 | 618 |
| 90 | Radio | 13 | 1.1K | 666 | 416 |
| 91 | Obstetrics | 43 | 1.1K | 482 | 509 |
| 92 | Human-Computer Interaction | 38 | 1.1K | 189 | 240 |
| 93 | Biochemical Engineering | 24 | 1.1K | 1,183 | 1,371 |
| 94 | Analytical Chemistry | 26 | 1.1K | 1,650 | 1,424 |
| 95 | Fluid Mechanics | 30 | 1.0K | 379 | 329 |
| 95 | supercritical fluids | 30 | 1.0K | 48 | 55 |
| 97 | management | 27 | 1.0K | 1,154 | 1,162 |
| 98 | Computer Graphics | 37 | 1.0K | 366 | 381 |
| 99 | genome | 24 | 992 | 405 | 559 |
| 100 | Transportation | 18 | 984 | 602 | 430 |
| 101 | Emergency Medicine | 5 | 982 | 912 | 209 |
| 102 | Genomics | 23 | 981 | 986 | 855 |
| 103 | proteins | 41 | 971 | 405 | 507 |
| 104 | Colloids | 30 | 968 | 1,324 | 1,376 |
| 105 | Bioengineering | 32 | 952 | 1,232 | 1,491 |
| 106 | Reproduction | 61 | 945 | 378 | 604 |
| 107 | Medical Laboratory Science | 11 | 920 | 962 | 660 |
| 108 | Metallurgy | 29 | 912 | 653 | 588 |
| 108 | Virtual reality | 26 | 912 | 27 | 36 |
| 110 | Multimedia Systems | 15 | 894 | 740 | 271 |
| 111 | Surface Chemistry | 24 | 885 | 1,502 | 1,398 |
| 112 | Genetics | 33 | 876 | 944 | 1,249 |
| 113 | multimedia | 14 | 874 | 170 | 117 |
| 113 | Interactive multimedia | 14 | 874 | 181 | 119 |
| 115 | Solid State Physics | 45 | 868 | 1,190 | 1,212 |
| 116 | Production Engineering | 34 | 856 | 447 | 408 |
| 117 | touch | 22 | 853 | 12 | 10 |
| 118 | Wildlife conservation | 10 | 851 | 570 | 398 |
| 119 | Neurophysiology | 27 | 846 | 918 | 1,001 |
| 120 | Nanostructures | 24 | 842 | 555 | 643 |
| 121 | Economic Development | 19 | 826 | 511 | 501 |
| 122 | Pharmacology | 22 | 806 | 1,828 | 1,659 |
| 123 | Behavior | 32 | 801 | 882 | 1,214 |
| 124 | Cancer | 35 | 778 | 836 | 1,130 |
| 125 | International security | 11 | 768 | 79 | 72 |
| 126 | peace | 13 | 766 | 171 | 127 |
| 127 | protein | 30 | 762 | 254 | 325 |
| 128 | Sociology | 33 | 749 | 763 | 823 |
| 129 | Post-traumatic stress disorder | 20 | 742 | 214 | 228 |
| 130 | Europe | 57 | 735 | 571 | 796 |
| 131 | Bacteriology | 8 | 721 | 1,043 | 743 |
| 132 | computer networks | 36 | 716 | 606 | 784 |
| 133 | Condensed Matter | 37 | 712 | 1,054 | 1,157 |
| 134 | human behavior | 18 | 708 | 908 | 1,080 |
| 135 | personality | 19 | 706 | 561 | 611 |
| 136 | Allergy | 17 | 687 | 387 | 537 |
| 137 | Nervous system | 35 | 685 | 606 | 898 |
| 138 | Quantum electronics | 33 | 678 | 386 | 381 |
| 139 | Statistics | 22 | 646 | 1,003 | 742 |
| 140 | Geopolitics | 18 | 640 | 26 | 16 |
| 141 | Geophysics | 20 | 631 | 1,375 | 1,331 |
| 142 | Liver diseases | 15 | 628 | 550 | 630 |
| 143 | Metallic Glasses | 9 | 611 | 211 | 94 |
| 144 | Robotics | 14 | 589 | 759 | 556 |
| 145 | Artificial Intelligence | 26 | 586 | 1,308 | 1,485 |
| 145 | actuators | 23 | 586 | 728 | 905 |
| 145 | transducers | 23 | 586 | 728 | 905 |
| 148 | Biodiversity conservation | 12 | 584 | 742 | 892 |
| 149 | Computer Vision | 16 | 574 | 403 | 480 |
| 150 | Brain | 26 | 569 | 858 | 1,045 |
| 151 | Physiology | 22 | 567 | 1,475 | 1,604 |
| 152 | Membranes | 10 | 557 | 946 | 816 |
| 153 | Pathology | 22 | 555 | 665 | 806 |
| 154 | Adolescent | 22 | 554 | 612 | 660 |
| 155 | Psychophysiology | 37 | 553 | 783 | 1,196 |
| 156 | Nanochemistry | 18 | 551 | 308 | 233 |
| 157 | Photonics | 24 | 536 | 681 | 869 |
| 158 | International Finance | 13 | 535 | 796 | 603 |
| 159 | Information Technology | 8 | 528 | 1,494 | 885 |
| 160 | internet | 13 | 525 | 663 | 568 |
| 161 | Toxicology | 17 | 518 | 1,939 | 1,990 |
| 161 | Birds | 15 | 518 | 477 | 311 |
| 163 | Quantum Optics | 30 | 511 | 159 | 231 |
| 163 | Atomic spectroscopy | 30 | 511 | 245 | 341 |
| 163 | Laser Spectroscopy | 30 | 511 | 130 | 202 |
| 166 | Hypertension | 25 | 510 | 476 | 793 |
| 167 | Social problems | 8 | 508 | 345 | 243 |
| 168 | Energy Conversion | 10 | 505 | 645 | 761 |
| 169 | Electrochemistry | 32 | 504 | 1,396 | 1,554 |
| 169 | Business | 15 | 504 | 955 | 1,124 |
| 171 | Social Choice Theory | 3 | 493 | 252 | 27 |
| 171 | Welfare Economics | 3 | 493 | 434 | 128 |
| 173 | data protection | 5 | 489 | 385 | 76 |
| 174 | Social Issues | 6 | 480 | 165 | 79 |
| 175 | Diagnostic Imaging | 16 | 479 | 686 | 656 |
| 176 | Surgery | 20 | 478 | 535 | 840 |
| 177 | Biogeography | 7 | 471 | 631 | 572 |
| 177 | ecosystem | 7 | 471 | 818 | 654 |
| 179 | lasers | 34 | 465 | 541 | 699 |
| 180 | Smart Materials | 15 | 464 | 314 | 301 |
| 181 | Nursing | 40 | 462 | 354 | 500 |
| 182 | Reproductive health | 38 | 461 | 83 | 212 |
| 182 | miniaturization | 14 | 461 | 796 | 963 |
| 184 | Child | 40 | 458 | 500 | 845 |
| 185 | Internet of Things | 12 | 456 | 502 | 490 |
| 185 | Mental illness | 13 | 456 | 793 | 897 |
| 187 | Metals | 14 | 455 | 931 | 840 |
| 187 | Biodiversity | 9 | 455 | 1,243 | 937 |
| 189 | Intelligent Transportation Systems | 7 | 448 | 696 | 523 |
| 189 | Conservation Biology | 3 | 448 | 1,095 | 491 |
| 191 | Biosensors | 12 | 446 | 591 | 787 |
| 192 | Ornithology | 10 | 445 | 503 | 272 |
| 192 | dissociative disorders | 11 | 445 | 15 | 10 |
| 194 | Metabolism | 15 | 442 | 995 | 1,194 |
| 195 | Neurochemistry | 10 | 439 | 1,202 | 1,063 |
| 196 | economic policy | 27 | 434 | 687 | 704 |
| 197 | Energy Storage | 14 | 430 | 504 | 560 |
| 197 | behavioral medicine | 7 | 430 | 754 | 658 |
| 199 | Nuclear non-proliferation | 3 | 426 | 58 | 41 |
| 200 | Logistics | 8 | 412 | 267 | 235 |
| 200 | biopolymers | 11 | 412 | 574 | 514 |
| 202 | Social policy | 18 | 408 | 305 | 287 |
| 203 | Metabolic diseases | 15 | 406 | 860 | 1,097 |
| 204 | Pharmaceutical Chemistry | 16 | 402 | 1,570 | 1,669 |
| 205 | Growth | 5 | 400 | 777 | 683 |
| 206 | Combinatorial chemistry | 11 | 397 | 293 | 385 |
| 207 | Democracy | 9 | 394 | 100 | 35 |
| 208 | Diabetes | 13 | 393 | 836 | 985 |
| 209 | Quantum theory | 16 | 391 | 390 | 358 |
| 210 | Social Change | 5 | 390 | 791 | 656 |
| 211 | Planets | 15 | 389 | 686 | 843 |
| 211 | Sales management | 3 | 389 | 245 | 206 |
| 211 | selling | 3 | 389 | 245 | 206 |
| 214 | Socialization | 8 | 381 | 291 | 285 |
| 215 | Critical Care | 11 | 378 | 630 | 803 |
| 216 | fuel cells | 10 | 371 | 676 | 777 |
| 217 | Automation | 10 | 367 | 1,257 | 1,175 |
| 217 | Immunity | 4 | 367 | 1,264 | 1,092 |
| 219 | cardiac catheterization | 17 | 365 | 206 | 182 |
| 220 | micromechanics | 13 | 363 | 212 | 231 |
| 221 | Technology | 9 | 354 | 2,148 | 1,689 |
| 221 | international cooperation | 5 | 354 | 422 | 236 |
| 223 | Engineering | 14 | 349 | 2,107 | 1,795 |
| 224 | Economic Assistance | 7 | 347 | 384 | 391 |
| 225 | Developmental Biology | 9 | 346 | 1,003 | 1,088 |
| 226 | gene mapping | 17 | 344 | 682 | 1,032 |
| 227 | Dynamics | 18 | 343 | 586 | 535 |
| 228 | conflict management | 8 | 342 | 125 | 106 |
| 229 | Democratization | 7 | 340 | 41 | 24 |
| 230 | adolescence | 4 | 338 | 783 | 464 |
| 230 | warfare | 4 | 338 | 227 | 142 |
| 232 | Cell death | 13 | 337 | 498 | 745 |
| 233 | Critical Care Medicine | 8 | 334 | 715 | 835 |
| 234 | Neuropsychology | 14 | 333 | 995 | 1,075 |
| 235 | Financial Engineering | 1 | 331 | 383 | 16 |
| 236 | Protein engineering | 2 | 329 | 263 | 92 |
| 236 | molecular design | 2 | 329 | 288 | 86 |
| 238 | Embryology | 9 | 327 | 777 | 837 |
| 238 | Physical Chemistry | 14 | 327 | 1,040 | 1,142 |
| 240 | War and Society | 3 | 321 | 207 | 128 |
| 241 | Biomechanics | 14 | 319 | 523 | 625 |
| 242 | Nanoparticles | 8 | 317 | 1,162 | 1,028 |
| 243 | Pancreatic diseases | 6 | 315 | 209 | 121 |
| 244 | Informatics | 6 | 312 | 578 | 400 |
| 245 | Cell metabolism | 6 | 310 | 385 | 601 |
| 246 | role | 3 | 308 | 448 | 275 |
| 247 | Zeolites | 7 | 307 | 583 | 523 |
| 248 | Epidemiology | 26 | 306 | 1,092 | 1,645 |
| 248 | Cross-Cultural Studies | 12 | 306 | 209 | 233 |
| 250 | Pediatric Neurology | 5 | 305 | 594 | 629 |
| 251 | Public Administration | 10 | 303 | 723 | 569 |
| 252 | Australia | 13 | 300 | 758 | 680 |
| 253 | Endocrinology | 10 | 299 | 1,376 | 1,518 |
| 254 | Surface properties | 5 | 298 | 903 | 718 |
| 255 | Sleep Disorders | 17 | 296 | 535 | 686 |
| 255 | Biomolecules | 6 | 296 | 255 | 269 |
| 255 | Sleep | 17 | 296 | 542 | 686 |
| 258 | human development | 9 | 295 | 427 | 468 |
| 259 | Decision making | 8 | 288 | 822 | 706 |
| 260 | Traffic Engineering | 4 | 282 | 342 | 225 |
| 260 | Chromosome mapping | 11 | 282 | 815 | 1,014 |
| 260 | Diplomatic relations | 4 | 282 | 550 | 113 |
| 263 | Intelligent Control Systems | 8 | 279 | 630 | 253 |
| 264 | Genetic engineering | 7 | 277 | 1,257 | 1,149 |
| 265 | Ceramic materials | 9 | 274 | 749 | 641 |
| 266 | Linguistics | 15 | 273 | 565 | 549 |
| 267 | cell interaction | 10 | 272 | 495 | 658 |
| 268 | Bioelectronics | 7 | 266 | 686 | 952 |
| 269 | Structural design | 8 | 261 | 473 | 399 |
| 269 | Stem cells | 13 | 261 | 604 | 794 |
| 271 | Systems Engineering | 13 | 260 | 1,018 | 1,140 |
| 272 | Astrophysics | 17 | 256 | 1,486 | 1,763 |
| 273 | Environmental Health | 8 | 255 | 3,172 | 3,240 |
| 273 | Obesity | 10 | 255 | 933 | 1,143 |
| 273 | Molecular structure | 15 | 255 | 1,067 | 1,241 |
| 276 | Mobile Computing | 8 | 254 | 641 | 547 |
| 276 | regional security | 6 | 254 | 26 | 5 |
| 276 | regional cooperation | 6 | 254 | 26 | 5 |
| 279 | Atmospheric Physics | 6 | 253 | 1,060 | 947 |
| 279 | Combustion | 5 | 253 | 939 | 698 |
| 279 | Cardiovascular system | 10 | 253 | 703 | 1,075 |
| 282 | Aging | 9 | 252 | 1,403 | 1,313 |
| 283 | Urology | 20 | 249 | 546 | 774 |
| 283 | Dermatology | 26 | 249 | 499 | 804 |
| 285 | Product Design | 11 | 245 | 233 | 183 |
| 286 | Chemotherapy | 6 | 244 | 745 | 669 |
| 286 | drug therapy | 6 | 244 | 1,180 | 1,039 |
| 288 | Archaeology | 34 | 243 | 329 | 611 |
| 289 | System analysis | 13 | 241 | 1,147 | 1,309 |
| 290 | Neurosurgery | 15 | 240 | 365 | 543 |
| 291 | Magnetic Materials | 8 | 239 | 976 | 906 |
| 292 | Environmental monitoring | 6 | 237 | 2,706 | 2,665 |
| 293 | Memory disorders | 14 | 236 | 55 | 149 |
| 294 | Proteome | 10 | 235 | 559 | 748 |
| 295 | Immunology | 9 | 234 | 1,591 | 1,787 |
| 295 | Intercultural Communication | 9 | 234 | 155 | 192 |
| 297 | Radio waves | 6 | 232 | 605 | 568 |
| 298 | Cell communication | 9 | 231 | 243 | 423 |
| 299 | East Asia | 1 | 228 | 1,191 | 128 |
| 300 | Solid State Chemistry | 19 | 224 | 1,130 | 1,457 |
| 301 | Climate change | 4 | 223 | 813 | 1,097 |
| 302 | Telecommunication Systems | 17 | 220 | 572 | 767 |
| 302 | Eutrophication | 3 | 220 | 882 | 1,081 |
| 304 | Organizational Behavior | 5 | 218 | 428 | 484 |
| 305 | Animal Behavior | 15 | 217 | 799 | 1,288 |
| 306 | coal | 2 | 216 | 1,834 | 1,235 |
| 307 | Attention | 10 | 214 | 773 | 889 |
| 308 | Community Psychiatry | 5 | 211 | 654 | 585 |
| 309 | commerce | 7 | 210 | 1,007 | 914 |
| 310 | Biopharmaceutics | 2 | 208 | 1,185 | 740 |
| 310 | Hemodynamics | 4 | 208 | 513 | 562 |
| 312 | civil service | 6 | 204 | 233 | 214 |
| 313 | race relations | 11 | 201 | 266 | 308 |
| 314 | Hematology | 12 | 200 | 945 | 1,200 |
| 314 | Medical Oncology | 13 | 200 | 664 | 997 |
| 316 | Computational Fluid Dynamics | 7 | 199 | 383 | 353 |
| 317 | Homeostasis | 1 | 198 | 612 | 662 |
| 318 | Ophthalmology | 10 | 196 | 907 | 1,015 |
| 319 | Perception | 8 | 195 | 954 | 1,015 |
| 320 | Industrial Microbiology | 5 | 193 | 1,462 | 1,475 |
| 321 | Clinical Immunology | 10 | 192 | 524 | 691 |
| 321 | Surface-Active Agents | 4 | 192 | 988 | 862 |
| 321 | Entropy | 9 | 192 | 575 | 483 |
| 324 | Public Policy | 13 | 191 | 745 | 1,128 |
| 325 | biological factors | 9 | 190 | 1,061 | 1,195 |
| 326 | Speech Perception | 7 | 189 | 187 | 238 |
| 326 | auditory perception | 7 | 189 | 229 | 278 |
| 326 | Detectors | 11 | 189 | 751 | 927 |
| 329 | Game Theory | 13 | 186 | 207 | 278 |
| 329 | Technological Innovations | 11 | 186 | 416 | 691 |
| 331 | Neurobiology | 5 | 182 | 1,107 | 1,183 |
| 331 | Social behavior | 9 | 182 | 643 | 834 |
| 333 | Fiber Optics | 13 | 181 | 401 | 547 |
| 333 | Family Therapy | 13 | 181 | 299 | 386 |
| 335 | Zoology | 7 | 180 | 1,712 | 1,389 |
| 336 | viruses | 1 | 179 | 1,632 | 1,034 |
| 337 | Simulation Methods | 11 | 175 | 400 | 517 |
| 338 | Middle East | 23 | 174 | 194 | 379 |
| 338 | Thorax | 7 | 174 | 227 | 309 |
| 340 | Macroeconomics | 5 | 173 | 268 | 175 |
| 340 | Parallel Processing | 6 | 173 | 298 | 361 |
| 340 | Microwaves | 7 | 173 | 887 | 707 |
| 343 | Rheumatology | 8 | 171 | 635 | 749 |
| 344 | energy conservation | 8 | 170 | 1,268 | 1,812 |
| 344 | child mental health | 9 | 170 | 219 | 272 |
| 346 | Neurons | 2 | 169 | 601 | 817 |
| 347 | Ethnology | 4 | 167 | 1,276 | 690 |
| 347 | Speech | 7 | 167 | 590 | 644 |
| 349 | Tropical Medicine | 14 | 166 | 711 | 1,038 |
| 350 | Cognitive Science | 9 | 165 | 849 | 1,226 |
| 350 | Radiobiology | 8 | 165 | 687 | 796 |
| 350 | child abuse | 8 | 165 | 454 | 631 |
| 353 | Political Participation | 9 | 164 | 149 | 205 |
| 354 | Medical Anthropology | 6 | 163 | 796 | 1,014 |
| 354 | Psychiatric Epidemiology | 3 | 163 | 451 | 392 |
| 354 | United Kingdom | 5 | 163 | 1,031 | 1,009 |
| 357 | Diabetes mellitus | 6 | 162 | 1,167 | 1,375 |
| 358 | Cell differentiation | 6 | 160 | 935 | 1,239 |
| 359 | Combinatorial optimization | 7 | 159 | 247 | 126 |
| 359 | Visual Perception | 4 | 159 | 1,128 | 964 |
| 359 | Metallography | 3 | 159 | 800 | 548 |
| 359 | administrative agencies | 3 | 159 | 287 | 181 |
| 363 | Human Rights | 8 | 158 | 277 | 260 |
| 363 | Animal ecology | 11 | 158 | 579 | 823 |
| 363 | Medical innovations | 2 | 158 | 993 | 997 |
| 363 | drug development | 2 | 158 | 1,024 | 891 |
| 367 | Calculus of Variations | 1 | 157 | 845 | 272 |
| 368 | Environmental Chemistry | 1 | 156 | 2,950 | 1,810 |
| 368 | enzymes | 2 | 156 | 1,620 | 1,115 |
| 370 | Learning | 13 | 150 | 601 | 923 |
| 370 | children | 8 | 150 | 240 | 371 |
| 372 | Regional Planning | 5 | 146 | 1,135 | 1,034 |
| 372 | Multiphase Flow | 5 | 146 | 280 | 312 |
| 374 | Clinical Pharmacology | 2 | 142 | 1,314 | 877 |
| 374 | Structural biology | 2 | 142 | 79 | 39 |
| 374 | mathematical analysis | 13 | 142 | 1,374 | 1,363 |
| 377 | environmental protection | 4 | 141 | 3,005 | 2,853 |
| 378 | Marine Biology | 2 | 140 | 2,593 | 1,874 |
| 378 | Cognitive neuroscience | 6 | 140 | 660 | 844 |
| 380 | Molecular Genetics | 10 | 139 | 941 | 1,517 |
| 380 | vibration | 9 | 139 | 644 | 877 |
| 382 | Oral communication | 6 | 138 | 270 | 263 |
| 382 | arthritis | 2 | 138 | 1,001 | 909 |
| 384 | Clinical Biochemistry | 19 | 136 | 328 | 780 |
| 384 | rehabilitation | 11 | 136 | 1,031 | 1,533 |
| 386 | Differential Equations | 3 | 135 | 1,074 | 648 |
| 387 | Developmental Disabilities | 4 | 134 | 800 | 849 |
| 387 | Quality of life | 7 | 134 | 877 | 1,220 |
| 389 | Information Theory | 11 | 133 | 714 | 979 |
| 389 | Ethnic relations | 9 | 133 | 271 | 295 |
| 389 | Radiation | 3 | 133 | 2,054 | 1,372 |
| 389 | Imaging systems | 13 | 133 | 213 | 342 |
| 393 | Pharmacy | 5 | 132 | 1,491 | 1,533 |
| 394 | Photochemistry | 3 | 131 | 1,649 | 1,332 |
| 394 | Ethnic Conflict | 8 | 131 | 118 | 213 |
| 394 | Transnational corporations | 1 | 131 | 815 | 291 |
| 394 | Ethology | 11 | 131 | 730 | 1,327 |
| 394 | forced migration | 8 | 131 | 118 | 213 |
| 399 | Money | 3 | 130 | 353 | 336 |
| 400 | Drug design | 8 | 129 | 858 | 1,225 |
| 400 | Spectrum analysis | 14 | 129 | 2,162 | 2,896 |
| 400 | Egypt | 2 | 129 | 745 | 434 |
| 403 | Plastics | 4 | 128 | 1,460 | 1,175 |
| 403 | Luminescence | 7 | 128 | 910 | 933 |
| 405 | Nutrition | 12 | 127 | 1,979 | 2,940 |
| 405 | Nonprofit organizations | 3 | 127 | 350 | 262 |
| 405 | sexual behavior | 5 | 127 | 491 | 542 |
| 408 | drugs | 5 | 126 | 1,447 | 1,447 |
| 409 | sustainability | 3 | 125 | 876 | 875 |
| 409 | families | 7 | 125 | 534 | 565 |
| 409 | Culture | 11 | 125 | 514 | 557 |
| 412 | Microelectronics | 7 | 124 | 1,152 | 1,426 |
| 412 | Health | 10 | 124 | 1,051 | 1,487 |
| 414 | Pediatrics | 14 | 123 | 925 | 1,668 |
| 414 | Biomass Energy | 3 | 123 | 2,290 | 2,285 |
| 414 | Synchrotron Radiation | 1 | 123 | 614 | 216 |
| 417 | Molecular evolution | 5 | 121 | 1,073 | 1,373 |
| 417 | carbon monoxide | 3 | 121 | 333 | 379 |
| 419 | Systems Biology | 13 | 120 | 624 | 1,164 |
| 419 | Transplantation | 9 | 120 | 496 | 793 |
| 419 | Brain damage | 1 | 120 | 647 | 308 |
| 422 | Nanobiotechnology | 3 | 119 | 413 | 563 |
| 422 | Sound | 4 | 119 | 906 | 665 |
| 422 | refugees | 6 | 119 | 115 | 136 |
| 425 | Laser therapy | 11 | 118 | 141 | 225 |
| 426 | Asthma | 7 | 117 | 344 | 407 |
| 427 | Schizophrenia | 3 | 116 | 846 | 850 |
| 427 | preimplantation genetic diagnosis | 11 | 116 | 145 | 306 |
| 427 | Soft Condensed Matter | 5 | 116 | 803 | 881 |
| 427 | embryo transfer | 11 | 116 | 158 | 315 |
| 431 | Cognitive Radio Networks | 6 | 115 | 107 | 167 |
| 432 | Environmental Toxicology | 2 | 114 | 2,645 | 2,295 |
| 432 | pollutants | 1 | 114 | 2,635 | 1,869 |
| 432 | Environmental pollutants | 1 | 114 | 3,005 | 2,095 |
| 432 | environmental exposure | 1 | 114 | 2,700 | 1,790 |
| 436 | Cybernetics | 2 | 113 | 1,796 | 1,341 |
| 436 | Sovereignty | 3 | 113 | 111 | 95 |
| 436 | Bioinorganic chemistry | 4 | 113 | 1,221 | 1,180 |
| 436 | Cerebral cortex | 2 | 113 | 957 | 842 |
| 440 | Cryptography | 3 | 112 | 686 | 316 |
| 441 | election law | 4 | 110 | 223 | 192 |
| 441 | Elections | 4 | 110 | 285 | 240 |
| 441 | Voting | 4 | 110 | 199 | 187 |
| 444 | Globalization | 5 | 108 | 396 | 437 |
| 445 | Clinical Chemistry | 3 | 107 | 2,154 | 2,070 |
| 445 | Ultrasonics | 6 | 107 | 829 | 1,266 |
| 445 | Sonochemistry | 6 | 107 | 386 | 872 |
| 445 | Japan | 4 | 107 | 1,561 | 1,230 |
| 445 | probabilities | 15 | 107 | 613 | 773 |
| 450 | Geriatrics | 11 | 106 | 1,353 | 1,970 |
| 450 | Community Psychology | 5 | 106 | 409 | 499 |
| 452 | Cytogenetics | 4 | 105 | 1,022 | 1,209 |
| 452 | city planning | 4 | 105 | 1,355 | 1,304 |
| 454 | Neuroanatomy | 3 | 104 | 210 | 194 |
| 455 | disarmament | 2 | 103 | 193 | 118 |
| 455 | Family | 9 | 103 | 511 | 768 |
| 455 | social science | 3 | 103 | 174 | 226 |
| 455 | family violence | 3 | 103 | 423 | 443 |
| 459 | Pharmaceutical Technology | 4 | 102 | 1,296 | 1,383 |
| 459 | violence | 4 | 102 | 827 | 854 |
| 461 | Oncology | 12 | 101 | 913 | 1,987 |
| 461 | complementary therapies | 6 | 101 | 1,137 | 1,435 |
| 463 | Analytical Biochemistry | 2 | 99 | 1,902 | 1,418 |
| 463 | Light | 2 | 99 | 1,025 | 1,009 |
| 465 | Oncogenes | 5 | 98 | 720 | 1,117 |
| 465 | Microfluidics | 4 | 98 | 187 | 209 |
| 465 | Body Image | 1 | 98 | 378 | 285 |
| 465 | Development | 5 | 98 | 570 | 866 |
| 465 | pigments | 5 | 98 | 641 | 817 |
| 470 | Tribology | 5 | 96 | 890 | 960 |
| 471 | Psychoneuroimmunology | 1 | 95 | 871 | 734 |
| 471 | Number Theory | 17 | 95 | 259 | 360 |
| 471 | Neuroimmunology | 1 | 95 | 967 | 786 |
| 471 | cell physiology | 4 | 95 | 1,129 | 1,426 |
| 475 | Europa | 3 | 94 | 513 | 491 |
| 476 | Social perception | 1 | 93 | 251 | 164 |
| 476 | world | 4 | 93 | 585 | 882 |
| 478 | Experimental Psychology | 5 | 92 | 448 | 548 |
| 478 | Microcirculation | 5 | 92 | 333 | 424 |
| 478 | Asia | 11 | 92 | 1,396 | 1,994 |
| 478 | explosives | 2 | 92 | 240 | 91 |
| 482 | Immunopathology | 6 | 91 | 729 | 1,013 |
| 482 | Queuing Theory | 5 | 91 | 102 | 116 |
| 482 | Molecules | 10 | 91 | 872 | 1,086 |
| 485 | Microbial Ecology | 2 | 89 | 2,221 | 2,323 |
| 485 | Stochastic Processes | 10 | 89 | 428 | 686 |
| 485 | Artificial Organs | 11 | 89 | 262 | 428 |
| 485 | Synthetic biology | 1 | 89 | 524 | 335 |
| 485 | cross-cultural comparison | 4 | 89 | 436 | 433 |
| 490 | population geography | 1 | 88 | 679 | 385 |
| 491 | animals | 9 | 87 | 697 | 931 |
| 492 | Mechatronics | 5 | 86 | 682 | 888 |
| 492 | Evolution | 4 | 86 | 1,467 | 1,693 |
| 494 | Information Retrieval | 2 | 85 | 603 | 488 |
| 494 | Human Resources | 3 | 85 | 467 | 672 |
| 496 | Proteomics | 5 | 84 | 776 | 1,080 |
| 496 | health services | 8 | 84 | 578 | 912 |
| 496 | Emotions | 4 | 84 | 520 | 706 |
| 499 | Meteorology | 3 | 83 | 1,916 | 2,081 |
| 499 | Global Health | 5 | 83 | 759 | 859 |
| 499 | Biological Systems | 3 | 83 | 544 | 568 |
| 499 | Soviet Union | 4 | 83 | 559 | 277 |
| 499 | Nitric oxide | 1 | 83 | 519 | 321 |
| 504 | Flexible manufacturing systems | 5 | 82 | 243 | 439 |
| 504 | disease vectors | 5 | 82 | 716 | 985 |
| 504 | Multiple sclerosis | 10 | 82 | 235 | 398 |
| 507 | Histology | 5 | 81 | 1,296 | 1,667 |
| 507 | Oceanography | 3 | 81 | 1,530 | 1,525 |
| 507 | Immunotherapy | 2 | 81 | 1,728 | 1,658 |
| 507 | Antibacterial agents | 2 | 81 | 732 | 752 |
| 507 | Feminism | 2 | 81 | 716 | 443 |
| 507 | European integration | 3 | 81 | 209 | 216 |
| 507 | European Economic Community | 3 | 81 | 209 | 216 |
| 514 | epilepsy | 10 | 80 | 429 | 785 |
| 514 | language | 4 | 80 | 711 | 812 |
| 516 | Astronomy | 4 | 79 | 2,115 | 2,249 |
| 516 | Clinical Psychology | 5 | 79 | 877 | 1,171 |
| 516 | Mass Media | 9 | 79 | 401 | 464 |
| 516 | Eastern Europe | 4 | 79 | 746 | 501 |
| 516 | Credit | 2 | 79 | 139 | 144 |
| 521 | Environmental Policy | 4 | 78 | 2,747 | 3,446 |
| 521 | Histochemistry | 5 | 78 | 761 | 901 |
| 521 | health behavior | 6 | 78 | 604 | 900 |
| 524 | civilization | 15 | 77 | 380 | 336 |
| 524 | China | 5 | 77 | 2,179 | 2,488 |
| 524 | Eurasia | 3 | 77 | 196 | 176 |
| 524 | Social work | 7 | 77 | 862 | 1,062 |
| 524 | Youth | 1 | 77 | 1,097 | 740 |
| 529 | Machining | 4 | 76 | 94 | 113 |
| 529 | Muscles | 6 | 76 | 529 | 871 |
| 529 | Zoonoses | 4 | 76 | 220 | 332 |
| 532 | Organometallic chemistry | 5 | 75 | 1,744 | 1,824 |
| 532 | Socioeconomic Factors | 4 | 75 | 642 | 877 |
| 532 | Auditing | 3 | 75 | 389 | 453 |
| 535 | Career development | 1 | 74 | 827 | 391 |
| 536 | Alternative Medicine | 2 | 73 | 1,807 | 1,610 |
| 536 | Child welfare | 7 | 73 | 661 | 1,008 |
| 536 | motivation | 3 | 73 | 361 | 404 |
| 536 | plasticity | 1 | 73 | 518 | 510 |
| 536 | Business Ethics | 1 | 73 | 1,546 | 1,376 |
| 536 | Emotion | 3 | 73 | 217 | 323 |
| 536 | ethnic groups | 4 | 73 | 270 | 337 |
| 536 | particles | 5 | 73 | 760 | 1,050 |
| 536 | Blood vessels | 4 | 73 | 299 | 408 |
| 536 | California | 5 | 73 | 286 | 347 |
| 536 | Kidney diseases | 5 | 73 | 637 | 831 |
| 547 | Functional Analysis | 6 | 72 | 1,022 | 1,120 |
| 548 | calcification | 3 | 71 | 462 | 547 |
| 549 | Financial management | 2 | 70 | 601 | 659 |
| 549 | international trade | 4 | 70 | 639 | 678 |
| 549 | Therapeutics | 4 | 70 | 1,207 | 1,550 |
| 552 | Water pollution | 2 | 69 | 2,791 | 2,768 |
| 552 | Measurement | 2 | 69 | 1,640 | 1,361 |
| 552 | Primary health care | 4 | 69 | 1,354 | 1,577 |
| 552 | Women's health | 7 | 69 | 705 | 1,189 |
| 556 | Neurogenetics | 3 | 68 | 310 | 356 |
| 556 | Noise | 3 | 68 | 122 | 86 |
| 556 | visualization | 8 | 68 | 794 | 854 |
| 556 | Central Asia | 2 | 68 | 235 | 155 |
| 560 | Heat Exchangers | 2 | 67 | 1,444 | 1,530 |
| 560 | occupational diseases | 1 | 67 | 1,200 | 928 |
| 560 | national security | 2 | 67 | 485 | 214 |
| 560 | optical devices | 3 | 67 | 500 | 471 |
| 564 | Feminist Economics | 1 | 66 | 181 | 131 |
| 564 | Electrophysiology | 8 | 66 | 534 | 837 |
| 564 | behavior therapy | 6 | 66 | 535 | 838 |
| 567 | design | 3 | 65 | 286 | 249 |
| 568 | Inventory Control | 1 | 64 | 178 | 118 |
| 568 | Psychiatric Nursing | 7 | 64 | 411 | 678 |
| 568 | Architectural Design | 3 | 64 | 479 | 370 |
| 568 | planning | 6 | 64 | 463 | 768 |
| 568 | Economic planning | 6 | 64 | 300 | 642 |
| 573 | Avionics | 2 | 63 | 144 | 129 |
| 573 | Vocational guidance | 2 | 63 | 1,066 | 1,015 |
| 575 | Physical Therapy | 5 | 62 | 926 | 1,332 |
| 575 | Pharmacokinetics | 1 | 62 | 1,249 | 1,041 |
| 575 | Microeconomics | 4 | 62 | 275 | 326 |
| 575 | civil rights | 6 | 62 | 225 | 337 |
| 575 | Cardiovascular diseases | 4 | 62 | 1,156 | 1,345 |
| 575 | Africa | 2 | 62 | 1,870 | 1,167 |
| 581 | Crystal growth | 1 | 60 | 1,528 | 1,200 |
| 581 | Communication in politics | 3 | 60 | 247 | 233 |
| 581 | North Africa | 2 | 60 | 239 | 38 |
| 581 | Culture techniques | 1 | 60 | 470 | 287 |
| 581 | Suicide | 4 | 60 | 444 | 600 |
| 586 | Educational Technology | 6 | 59 | 1,143 | 1,831 |
| 587 | Radio wave propagation | 2 | 58 | 856 | 674 |
| 587 | Diet | 3 | 58 | 1,721 | 2,365 |
| 589 | Anthropology | 4 | 57 | 1,281 | 1,354 |
| 589 | Information Systems | 4 | 57 | 1,195 | 1,590 |
| 589 | ethnicity | 5 | 57 | 515 | 596 |
| 589 | Environmentalism | 2 | 57 | 203 | 262 |
| 589 | Digital humanities | 4 | 57 | 67 | 93 |
| 589 | rare diseases | 1 | 57 | 848 | 650 |
| 595 | Botany | 3 | 56 | 3,192 | 3,545 |
| 595 | Pediatric Nursing | 7 | 56 | 218 | 439 |
| 597 | Architecture | 4 | 55 | 500 | 469 |
| 597 | Drug delivery systems | 7 | 55 | 992 | 1,824 |
| 597 | Communication in medicine | 2 | 55 | 645 | 605 |
| 597 | psychotherapy | 3 | 55 | 1,174 | 1,257 |
| 601 | Respiratory Therapy | 1 | 54 | 71 | 29 |
| 601 | Scheduling | 2 | 54 | 189 | 183 |
| 601 | Production Scheduling | 2 | 54 | 189 | 183 |
| 601 | gases | 1 | 54 | 71 | 29 |
| 605 | Electrical Engineering | 10 | 53 | 1,833 | 2,439 |
| 605 | Cognitive Therapy | 7 | 53 | 358 | 717 |
| 605 | older people | 2 | 53 | 1,698 | 1,301 |
| 605 | Carbon | 2 | 53 | 1,444 | 1,781 |
| 605 | peptides | 4 | 53 | 665 | 870 |
| 605 | Chromosomes | 2 | 53 | 1,001 | 1,091 |
| 605 | Granular materials | 3 | 53 | 619 | 873 |
| 605 | Earth Sciences | 4 | 53 | 2,679 | 3,033 |
| 613 | Geography | 3 | 52 | 1,909 | 2,112 |
| 613 | Respiration | 6 | 52 | 940 | 1,542 |
| 615 | Health Services Administration | 6 | 51 | 637 | 1,148 |
| 615 | Nanoelectronics | 4 | 51 | 664 | 726 |
| 615 | Nationalism | 3 | 51 | 335 | 320 |
| 615 | mass transfer | 2 | 51 | 1,886 | 1,925 |
| 619 | Early Childhood Education | 3 | 50 | 612 | 650 |
| 619 | Fluid Dynamics | 2 | 50 | 1,275 | 1,192 |
| 619 | Carcinogenesis | 5 | 50 | 649 | 1,160 |
| 619 | Social Media | 2 | 50 | 131 | 141 |
| 623 | Philosophy | 9 | 49 | 946 | 947 |
| 623 | health services accessibility | 4 | 49 | 772 | 1,069 |
| 623 | Travel | 3 | 49 | 749 | 895 |
| 623 | Diagnostic microbiology | 1 | 49 | 1,333 | 1,480 |
| 623 | Critical theory | 1 | 49 | 367 | 155 |
| 623 | Citizenship | 4 | 49 | 98 | 208 |
| 623 | Immune system | 3 | 49 | 803 | 1,155 |
| 630 | Computer Architecture | 3 | 48 | 547 | 518 |
| 630 | Mental Health | 6 | 48 | 1,055 | 1,701 |
| 630 | Semiconductors | 6 | 48 | 1,583 | 2,118 |
| 630 | Autoantibodies | 1 | 48 | 745 | 748 |
| 630 | Autoimmunity | 1 | 48 | 909 | 931 |
| 630 | Parasitology | 3 | 48 | 2,091 | 2,259 |
| 630 | Food | 1 | 48 | 3,834 | 3,410 |
| 630 | feeding behavior | 1 | 48 | 1,101 | 1,016 |
| 630 | Autoimmune diseases | 1 | 48 | 825 | 827 |
| 630 | biological evolution | 4 | 48 | 1,620 | 2,422 |
| 630 | Appetite | 1 | 48 | 988 | 920 |
| 641 | Mineralogy | 4 | 47 | 1,104 | 1,368 |
| 641 | Numerical Analysis | 6 | 47 | 1,820 | 2,201 |
| 641 | Solar Energy | 2 | 47 | 2,006 | 2,322 |
| 641 | Ubiquitous computing | 1 | 47 | 619 | 202 |
| 641 | cilia | 1 | 47 | 40 | 59 |
| 641 | software | 2 | 47 | 1,245 | 1,447 |
| 647 | Political Psychology | 3 | 46 | 359 | 525 |
| 647 | Geriatric Oncology | 5 | 46 | 364 | 752 |
| 649 | Evidence-Based Medicine | 2 | 45 | 898 | 989 |
| 649 | embryonic development | 2 | 45 | 487 | 572 |
| 649 | foreign exchange | 2 | 45 | 446 | 546 |
| 649 | Spine | 2 | 45 | 680 | 812 |
| 653 | Political Geography | 3 | 44 | 283 | 407 |
| 653 | Obstetric Nursing | 4 | 44 | 196 | 332 |
| 653 | Communication Policy | 1 | 44 | 189 | 157 |
| 653 | Telecommunication Policy | 1 | 44 | 189 | 157 |
| 653 | Mental Health Services | 4 | 44 | 945 | 1,389 |
| 653 | Neuromuscular diseases | 4 | 44 | 470 | 718 |
| 659 | Geology | 2 | 43 | 2,857 | 2,739 |
| 659 | Human Geography | 2 | 43 | 1,272 | 1,196 |
| 659 | Intelligence | 7 | 43 | 139 | 379 |
| 659 | Sites | 5 | 43 | 404 | 830 |
| 659 | Cerebellum | 2 | 43 | 347 | 425 |
| 659 | Cerebellar ataxia | 2 | 43 | 346 | 425 |
| 665 | Geometry | 8 | 42 | 751 | 945 |
| 665 | Cell cycle | 2 | 42 | 365 | 451 |
| 665 | cell proliferation | 2 | 42 | 399 | 473 |
| 668 | Organ transplantation | 8 | 41 | 169 | 326 |
| 669 | Mechanical Engineering | 5 | 40 | 1,928 | 2,258 |
| 669 | Geriatric Nursing | 1 | 40 | 956 | 578 |
| 669 | Environmental Psychology | 1 | 40 | 661 | 724 |
| 669 | Electrocardiography | 3 | 40 | 304 | 328 |
| 669 | Marine Pollution | 1 | 40 | 1,814 | 1,772 |
| 669 | Food preferences | 1 | 40 | 679 | 650 |
| 675 | Anatomy | 8 | 39 | 1,150 | 2,014 |
| 675 | Bacterial infections | 2 | 39 | 872 | 1,217 |
| 675 | Pathogens | 1 | 39 | 248 | 215 |
| 678 | Computer Engineering | 4 | 38 | 830 | 1,250 |
| 678 | Environmental Management | 2 | 38 | 3,148 | 3,907 |
| 678 | biofuels | 1 | 38 | 484 | 718 |
| 681 | Environmental Engineering | 3 | 37 | 3,431 | 4,228 |
| 681 | Health Services Research | 3 | 37 | 1,472 | 1,896 |
| 681 | Sensor Networks | 1 | 37 | 541 | 334 |
| 681 | Adolescent Psychology | 1 | 37 | 1,265 | 1,074 |
| 681 | Happiness | 1 | 37 | 871 | 835 |
| 681 | Peasants | 2 | 37 | 124 | 193 |
| 687 | Systems Analysis | 2 | 36 | 1,431 | 1,484 |
| 687 | psychophysics | 6 | 36 | 241 | 440 |
| 689 | Education | 5 | 35 | 2,768 | 3,476 |
| 689 | Higher Education | 2 | 35 | 787 | 832 |
| 689 | Mathematical Economics | 4 | 35 | 264 | 400 |
| 689 | elder abuse | 1 | 35 | 554 | 516 |
| 689 | Microscopy | 3 | 35 | 1,392 | 1,559 |
| 689 | Aggression | 2 | 35 | 614 | 805 |
| 695 | Humanities | 5 | 34 | 1,457 | 1,984 |
| 695 | Educational Psychology | 3 | 34 | 1,366 | 1,767 |
| 695 | Renewable Energy Sources | 2 | 34 | 2,861 | 3,633 |
| 695 | industrial relations | 2 | 34 | 1,025 | 1,050 |
| 699 | Hydrology | 1 | 33 | 3,186 | 2,813 |
| 699 | Biodegradation | 2 | 33 | 958 | 1,359 |
| 699 | foreign policy | 2 | 33 | 337 | 202 |
| 699 | Microprocessors | 1 | 33 | 1,022 | 800 |
| 699 | Optoelectronic devices | 7 | 33 | 587 | 1,027 |
| 699 | Arab-Israeli Conflict | 2 | 33 | 98 | 67 |
| 699 | Semiconductor industry | 2 | 33 | 690 | 727 |
| 699 | Consciousness | 2 | 33 | 598 | 656 |
| 699 | Recycling | 1 | 33 | 1,046 | 1,389 |
| 708 | Political Sociology | 3 | 32 | 464 | 615 |
| 708 | Psychosomatic Medicine | 2 | 32 | 831 | 1,135 |
| 708 | Tissue Engineering | 1 | 32 | 633 | 603 |
| 708 | Feminist theory | 1 | 32 | 398 | 275 |
| 708 | drug resistance | 3 | 32 | 684 | 1,195 |
| 708 | Electrochemical Analysis | 1 | 32 | 2,160 | 2,019 |
| 708 | Sarcopenia | 2 | 32 | 462 | 747 |
| 708 | Photobiology | 1 | 32 | 2,059 | 1,982 |
| 708 | strategy | 1 | 32 | 304 | 164 |
| 717 | Medical Technology | 2 | 31 | 1,796 | 2,130 |
| 717 | Nuclear Engineering | 1 | 31 | 1,955 | 1,521 |
| 717 | Orthopedics | 5 | 31 | 1,004 | 1,546 |
| 717 | Industrial Sociology | 1 | 31 | 298 | 323 |
| 717 | Reading | 1 | 31 | 932 | 836 |
| 717 | crime victims | 1 | 31 | 344 | 266 |
| 717 | Literacy | 1 | 31 | 550 | 428 |
| 717 | women | 3 | 31 | 897 | 967 |
| 725 | Radiologic Technology | 5 | 30 | 82 | 180 |
| 725 | Paleoecology | 3 | 30 | 1,013 | 1,412 |
| 725 | Industrial Statistics | 4 | 30 | 149 | 239 |
| 725 | Health Policy | 4 | 30 | 1,685 | 2,532 |
| 725 | Telecommunications | 6 | 30 | 487 | 1,062 |
| 725 | Interventional Radiology | 5 | 30 | 82 | 180 |
| 725 | Computer-Aided Design | 2 | 30 | 1,457 | 1,642 |
| 725 | Contraception | 1 | 30 | 904 | 884 |
| 725 | nuclear magnetic resonance | 2 | 30 | 1,048 | 1,058 |
| 725 | Political Parties | 1 | 30 | 368 | 351 |
| 725 | Marriage | 2 | 30 | 635 | 756 |
| 725 | Crystallography | 4 | 30 | 1,458 | 1,432 |
| 725 | Interventional Radiography | 5 | 30 | 82 | 180 |
| 725 | Endoscopic Surgery | 5 | 30 | 82 | 180 |
| 725 | Mitochondria | 2 | 30 | 335 | 566 |
| 725 | nuclear magnetic resonance spectroscopy | 2 | 30 | 841 | 849 |
| 725 | Chemical analysis | 1 | 30 | 1,599 | 1,641 |
| 725 | Chemical structure | 2 | 30 | 709 | 658 |
| 725 | Pituitary gland | 3 | 30 | 170 | 319 |
| 725 | biomedicine | 1 | 30 | 893 | 970 |
| 725 | liver | 2 | 30 | 356 | 483 |
| 725 | Autism | 1 | 30 | 1,008 | 1,099 |
| 725 | Birth control | 1 | 30 | 779 | 804 |
| 748 | Climatology | 1 | 29 | 2,378 | 2,303 |
| 748 | Neurolinguistics | 1 | 29 | 673 | 717 |
| 748 | Topology | 3 | 29 | 342 | 360 |
| 748 | bioclimatology | 1 | 29 | 1,610 | 1,511 |
| 748 | Speech Disorders | 1 | 29 | 1,334 | 1,204 |
| 748 | Molecular Spectroscopy | 2 | 29 | 2,074 | 2,346 |
| 748 | Social support | 1 | 29 | 292 | 315 |
| 748 | Groundwater | 1 | 29 | 970 | 966 |
| 748 | nucleotides | 1 | 29 | 561 | 348 |
| 748 | Social environment | 1 | 29 | 309 | 324 |
| 748 | Climate | 1 | 29 | 1,041 | 1,067 |
| 748 | weather | 1 | 29 | 1,015 | 1,047 |
| 748 | tests | 1 | 29 | 374 | 417 |
| 748 | Bones | 1 | 29 | 970 | 1,121 |
| 748 | Vaccines | 2 | 29 | 1,761 | 2,192 |
| 763 | Genetic Toxicology | 1 | 28 | 755 | 900 |
| 763 | Computational Intelligence | 1 | 28 | 1,231 | 1,031 |
| 763 | Behavioral research | 2 | 28 | 814 | 923 |
| 763 | intergroup relations | 1 | 28 | 372 | 423 |
| 763 | Religion and Psychology | 4 | 28 | 416 | 769 |
| 763 | Information Science | 2 | 28 | 2,942 | 3,292 |
| 763 | Acarology | 1 | 28 | 535 | 493 |
| 763 | Mites | 1 | 28 | 726 | 587 |
| 763 | Ticks | 1 | 28 | 519 | 492 |
| 763 | Acari | 1 | 28 | 519 | 492 |
| 773 | Genetic Counseling | 3 | 27 | 193 | 304 |
| 773 | Building Materials | 1 | 27 | 2,208 | 2,392 |
| 773 | Health Education | 3 | 27 | 1,717 | 2,246 |
| 773 | Emerging infectious diseases | 1 | 27 | 571 | 693 |
| 773 | Fracture mechanics | 2 | 27 | 1,502 | 1,766 |
| 773 | Coding Theory | 2 | 27 | 477 | 432 |
| 773 | Securities | 1 | 27 | 700 | 698 |
| 773 | society | 2 | 27 | 113 | 153 |
| 773 | stocks | 1 | 27 | 342 | 442 |
| 782 | Pharmacogenetics | 1 | 26 | 1,221 | 1,326 |
| 782 | Oral Medicine | 3 | 26 | 748 | 1,013 |
| 782 | Economic Thought | 3 | 26 | 300 | 606 |
| 782 | Randomized Controlled Trials | 1 | 26 | 1,394 | 1,218 |
| 782 | economic conditions | 3 | 26 | 503 | 765 |
| 782 | Combinatorial analysis | 6 | 26 | 734 | 1,002 |
| 782 | Genetic therapy | 1 | 26 | 1,239 | 1,368 |
| 789 | Engineering Mathematics | 2 | 25 | 2,205 | 2,184 |
| 789 | patient satisfaction | 1 | 25 | 279 | 142 |
| 789 | Feminist criticism | 2 | 25 | 154 | 201 |
| 789 | sadness | 3 | 25 | 231 | 456 |
| 789 | Mechanics | 3 | 25 | 1,343 | 1,617 |
| 789 | Organometallic compounds | 3 | 25 | 1,328 | 1,816 |
| 789 | pain | 2 | 25 | 1,351 | 1,723 |
| 789 | death | 3 | 25 | 324 | 541 |
| 789 | antisocial personality disorder | 3 | 25 | 231 | 456 |
| 798 | Economic Theory | 2 | 24 | 147 | 187 |
| 798 | Medical Physics | 3 | 24 | 1,393 | 1,891 |
| 798 | solar power | 1 | 24 | 1,289 | 1,511 |
| 798 | Art | 1 | 24 | 632 | 257 |
| 798 | solar cells | 1 | 24 | 1,365 | 1,586 |
| 798 | primary prevention | 1 | 24 | 713 | 832 |
| 798 | extraterrestrial environment | 1 | 24 | 952 | 864 |
| 798 | astronomical phenomena | 1 | 24 | 877 | 804 |
| 798 | Fisheries | 2 | 24 | 1,748 | 1,996 |
| 807 | Structuralism | 2 | 23 | 199 | 396 |
| 807 | Neonatology | 3 | 23 | 574 | 959 |
| 807 | Social Networks | 2 | 23 | 422 | 661 |
| 807 | medical education | 5 | 23 | 1,223 | 2,235 |
| 811 | Constitutional Law | 4 | 22 | 109 | 91 |
| 811 | Anxiety Disorders | 1 | 22 | 764 | 997 |
| 811 | Exercise therapy | 4 | 22 | 359 | 747 |
| 811 | Anxiety | 1 | 22 | 767 | 997 |
| 811 | disaster relief | 2 | 22 | 262 | 479 |
| 811 | Intellectual disability | 2 | 22 | 910 | 1,162 |
| 817 | Materials Engineering | 2 | 21 | 970 | 1,211 |
| 817 | Ceramics | 3 | 21 | 1,470 | 1,909 |
| 817 | Language Acquisition | 4 | 21 | 268 | 531 |
| 817 | Raman spectroscopy | 3 | 21 | 816 | 1,376 |
| 817 | Eating Disorders | 2 | 21 | 938 | 1,284 |
| 817 | Feeding and Eating Disorders | 2 | 21 | 907 | 1,246 |
| 823 | Optical Communications | 3 | 20 | 819 | 1,148 |
| 823 | International Law | 4 | 20 | 345 | 304 |
| 823 | Quality Control | 1 | 20 | 2,623 | 2,802 |
| 823 | Accreditation | 1 | 20 | 146 | 103 |
| 823 | Solitons | 2 | 20 | 1,492 | 1,871 |
| 823 | Fractals | 2 | 20 | 1,501 | 1,873 |
| 823 | Chaos | 2 | 20 | 1,492 | 1,871 |
| 823 | Financial Institutions | 2 | 20 | 530 | 751 |
| 823 | Alloys | 2 | 20 | 387 | 353 |
| 823 | health planning | 3 | 20 | 2,185 | 3,040 |
| 823 | Agriculture | 4 | 20 | 1,804 | 2,949 |
| 834 | gene therapy | 1 | 19 | 1,236 | 1,475 |
| 834 | Classroom Environment | 1 | 19 | 159 | 238 |
| 836 | Industrial Organization | 2 | 18 | 402 | 634 |
| 836 | Agricultural Ecology | 1 | 18 | 1,597 | 1,960 |
| 836 | Sociolinguistics | 1 | 18 | 781 | 730 |
| 836 | General Surgery | 4 | 18 | 406 | 708 |
| 836 | Industrial Policy | 2 | 18 | 618 | 890 |
| 836 | Consumer education | 1 | 18 | 736 | 971 |
| 836 | Gastrointestinal diseases | 4 | 18 | 541 | 1,003 |
| 843 | Audiology | 1 | 17 | 1,023 | 1,055 |
| 843 | Graph Theory | 4 | 17 | 654 | 897 |
| 843 | Structural dynamics | 2 | 17 | 1,089 | 1,611 |
| 843 | Discrete Mathematics | 4 | 17 | 287 | 405 |
| 843 | War | 1 | 17 | 402 | 413 |
| 843 | Language and Culture | 1 | 17 | 342 | 327 |
| 843 | Leadership | 2 | 17 | 694 | 1,154 |
| 843 | Multilingualism | 1 | 17 | 543 | 651 |
| 843 | Bioorganic chemistry | 1 | 17 | 3,203 | 3,404 |
| 843 | Wildlife management | 3 | 17 | 579 | 913 |
| 843 | Postcolonialism | 1 | 17 | 269 | 206 |
| 843 | Malaria | 1 | 17 | 984 | 1,176 |
| 843 | graph | 4 | 17 | 287 | 405 |
| 843 | constitutional courts | 3 | 17 | 56 | 75 |
| 857 | Algebra | 5 | 16 | 1,221 | 1,534 |
| 857 | Organizational Sociology | 1 | 16 | 624 | 704 |
| 857 | Neuroplasticity | 1 | 16 | 513 | 678 |
| 857 | Biometrics | 3 | 16 | 940 | 1,409 |
| 857 | disabilities | 2 | 16 | 840 | 1,248 |
| 857 | Futures | 1 | 16 | 554 | 603 |
| 857 | North America | 1 | 16 | 1,361 | 1,385 |
| 857 | Southern states | 1 | 16 | 553 | 492 |
| 865 | Pediatric Endocrinology | 5 | 15 | 212 | 504 |
| 865 | Plant Ecology | 2 | 15 | 1,879 | 2,705 |
| 865 | Environmental Archaeology | 1 | 15 | 165 | 198 |
| 865 | Communication and Culture | 6 | 15 | 152 | 519 |
| 865 | cultural policy | 1 | 15 | 404 | 413 |
| 865 | Molecular cloning | 2 | 15 | 1,564 | 2,205 |
| 865 | Genetic recombination | 2 | 15 | 1,548 | 2,180 |
| 865 | natural products | 1 | 15 | 2,553 | 2,627 |
| 865 | Metabolic disorders in children | 5 | 15 | 177 | 475 |
| 865 | Paleobotany | 2 | 15 | 216 | 425 |
| 865 | Chemical industry | 1 | 15 | 1,943 | 1,998 |
| 865 | Vegetation dynamics | 2 | 15 | 201 | 406 |
| 865 | Recombinant DNA | 2 | 15 | 1,611 | 2,267 |
| 865 | Phylogeny | 3 | 15 | 861 | 1,660 |
| 879 | History | 4 | 14 | 864 | 820 |
| 879 | Community Health Nursing | 1 | 14 | 158 | 201 |
| 879 | Comparative Psychology | 1 | 14 | 252 | 382 |
| 879 | Nanophotonics | 1 | 14 | 576 | 751 |
| 879 | Geographic information systems | 2 | 14 | 1,390 | 1,906 |
| 879 | Tourism | 1 | 14 | 2,383 | 2,792 |
| 879 | Crystallization | 1 | 14 | 800 | 747 |
| 879 | Genetic testing | 1 | 14 | 601 | 659 |
| 879 | Infrared spectroscopy | 2 | 14 | 430 | 873 |
| 879 | Employee selection | 1 | 14 | 250 | 363 |
| 879 | X-ray crystallography | 1 | 14 | 755 | 789 |
| 879 | chromatin | 1 | 14 | 270 | 451 |
| 891 | Radiology | 6 | 13 | 870 | 1,793 |
| 891 | Structural optimization | 1 | 13 | 612 | 780 |
| 891 | Pediatric Gastroenterology | 3 | 13 | 30 | 24 |
| 891 | Research Design | 1 | 13 | 1,636 | 1,947 |
| 891 | Multivariate Analysis | 1 | 13 | 881 | 964 |
| 891 | Liposomes | 1 | 13 | 949 | 1,105 |
| 891 | Lipid bilayers | 1 | 13 | 790 | 880 |
| 891 | Glass | 1 | 13 | 1,505 | 1,757 |
| 891 | pottery | 1 | 13 | 1,437 | 1,686 |
| 891 | Aquatic ecology | 1 | 13 | 1,438 | 1,622 |
| 901 | Law | 3 | 12 | 1,258 | 1,422 |
| 901 | Software Engineering | 2 | 12 | 1,173 | 1,582 |
| 901 | Criminology | 2 | 12 | 1,076 | 1,393 |
| 901 | Disability Studies | 3 | 12 | 263 | 575 |
| 901 | Organizational change | 1 | 12 | 1,274 | 1,524 |
| 901 | Wireless Communication | 2 | 12 | 598 | 955 |
| 901 | Sexuality | 1 | 12 | 572 | 674 |
| 901 | innovation | 1 | 12 | 1,026 | 1,382 |
| 901 | Parkinson's disease | 1 | 12 | 420 | 603 |
| 901 | Comparative Law | 3 | 12 | 271 | 251 |
| 901 | scientific societies | 1 | 12 | 1,160 | 1,428 |
| 901 | silicon | 1 | 12 | 740 | 817 |
| 901 | Genes | 1 | 12 | 1,579 | 1,872 |
| 914 | Thermodynamics | 1 | 11 | 1,898 | 1,857 |
| 914 | Fashion Design | 1 | 11 | 104 | 136 |
| 914 | Oxidative stress | 1 | 11 | 1,292 | 1,877 |
| 914 | Political Culture | 1 | 11 | 86 | 81 |
| 914 | Bilingualism | 2 | 11 | 194 | 439 |
| 914 | Public Choice | 1 | 11 | 615 | 727 |
| 914 | Group decision making | 1 | 11 | 824 | 990 |
| 914 | Cell survival | 1 | 11 | 444 | 730 |
| 914 | Transport | 1 | 11 | 949 | 1,256 |
| 914 | Sea | 1 | 11 | 847 | 1,113 |
| 914 | Fishery resources | 1 | 11 | 935 | 1,211 |
| 914 | molecular chaperones | 1 | 11 | 500 | 741 |
| 914 | Textile industry | 1 | 11 | 847 | 888 |
| 927 | Gender Studies | 3 | 10 | 532 | 1,130 |
| 927 | Plant Genetics | 2 | 10 | 774 | 1,398 |
| 927 | Erectile dysfunction | 3 | 10 | 232 | 532 |
| 927 | Popular culture | 2 | 10 | 721 | 750 |
| 927 | Infection control | 2 | 10 | 411 | 963 |
| 927 | Information visualization | 1 | 10 | 388 | 451 |
| 927 | Biofeedback | 1 | 10 | 240 | 466 |
| 927 | preventive medicine | 1 | 10 | 1,649 | 2,073 |
| 927 | Radiotherapy | 3 | 10 | 279 | 337 |
| 927 | Action Research | 1 | 10 | 480 | 639 |
| 927 | plant molecular biology | 2 | 10 | 1,610 | 2,575 |
| 927 | Geospatial data | 1 | 10 | 75 | 192 |
| 927 | energy development | 1 | 10 | 1,537 | 2,022 |
| 940 | Environmental Microbiology | 1 | 9 | 1,960 | 2,624 |
| 940 | Ethics | 2 | 9 | 1,125 | 1,770 |
| 940 | Dietetics | 1 | 9 | 897 | 1,118 |
| 940 | Lung Transplantation | 1 | 9 | 486 | 651 |
| 940 | Family Law | 2 | 9 | 55 | 89 |
| 940 | Remote Sensing | 2 | 9 | 1,771 | 2,351 |
| 940 | Forest Ecology | 1 | 9 | 1,478 | 1,974 |
| 940 | Plant genetic engineering | 1 | 9 | 1,275 | 1,623 |
| 940 | Plant physiology | 1 | 9 | 2,621 | 3,206 |
| 940 | Consumer Protection | 1 | 9 | 400 | 569 |
| 940 | Strategic planning | 2 | 9 | 971 | 1,618 |
| 940 | Heart transplantation | 1 | 9 | 486 | 651 |
| 940 | Gerontology | 4 | 9 | 1,509 | 2,733 |
| 940 | Shape Memory Alloys | 1 | 9 | 91 | 135 |
| 940 | elasticity | 1 | 9 | 425 | 509 |
| 940 | Shape memory polymers | 1 | 9 | 91 | 135 |
| 940 | Shape Memory Effect | 1 | 9 | 91 | 135 |
| 940 | Monomers | 1 | 9 | 162 | 276 |
| 940 | consumers | 1 | 9 | 753 | 996 |
| 940 | Customer Relations | 1 | 9 | 179 | 263 |
| 940 | Electromagnetic fields | 2 | 9 | 514 | 686 |
| 940 | values | 1 | 9 | 526 | 408 |
| 940 | Plants | 1 | 9 | 2,688 | 3,132 |
| 940 | Menopause | 1 | 9 | 523 | 724 |
| 964 | Landscape Archaeology | 1 | 8 | 20 | 13 |
| 964 | Algorithms | 2 | 8 | 926 | 1,383 |
| 964 | Labor Economics | 2 | 8 | 625 | 976 |
| 964 | Educational Sociology | 2 | 8 | 480 | 901 |
| 964 | Long-Term Care | 1 | 8 | 784 | 1,104 |
| 964 | Long-term care facilities | 1 | 8 | 777 | 1,094 |
| 964 | taxation | 1 | 8 | 496 | 688 |
| 964 | Neural circuitry | 2 | 8 | 2,315 | 3,261 |
| 964 | women's rights | 1 | 8 | 304 | 457 |
| 964 | microwave communication systems | 1 | 8 | 610 | 787 |
| 964 | Reproductive toxicology | 1 | 8 | 715 | 1,061 |
| 964 | Communism | 1 | 8 | 300 | 352 |
| 964 | landscapes | 1 | 8 | 409 | 570 |
| 964 | anesthesia | 2 | 8 | 610 | 893 |
| 964 | Microwave devices | 1 | 8 | 707 | 856 |
| 979 | Arts | 1 | 7 | 836 | 764 |
| 979 | Pediatric Dermatology | 1 | 7 | 568 | 699 |
| 979 | Data Mining | 2 | 7 | 1,336 | 2,238 |
| 979 | Organic Chemistry | 1 | 7 | 3,462 | 3,926 |
| 979 | Pediatric Hematology | 4 | 7 | 303 | 656 |
| 979 | Environmental Law | 1 | 7 | 1,602 | 2,206 |
| 979 | Morphology | 2 | 7 | 1,095 | 1,524 |
| 979 | Labor Supply | 1 | 7 | 148 | 306 |
| 979 | Human Capital | 1 | 7 | 491 | 759 |
| 979 | Developmental Neurobiology | 4 | 7 | 444 | 1,162 |
| 979 | big data | 2 | 7 | 850 | 1,615 |
| 979 | Heritage Tourism | 1 | 7 | 289 | 567 |
| 979 | Entrepreneurship | 1 | 7 | 1,619 | 2,190 |
| 979 | cultural tourism | 1 | 7 | 288 | 567 |
| 993 | Systems Theory | 2 | 6 | 548 | 1,026 |
| 993 | Paleoclimatology | 1 | 6 | 1,456 | 1,893 |
| 993 | Neurotoxicology | 1 | 6 | 965 | 1,558 |
| 993 | Antitrust Law | 1 | 6 | 335 | 272 |
| 993 | Quantum Mechanics | 1 | 6 | 361 | 379 |
| 993 | Control Theory | 1 | 6 | 2,314 | 2,670 |
| 993 | Communication Theory | 1 | 6 | 121 | 174 |
| 993 | stem cell transplantation | 2 | 6 | 68 | 148 |