| 1 | Chemistry | 455 | 27.9K | 796 | 592 |
| 2 | Biotechnology | 137 | 11.2K | 695 | 448 |
| 3 | Materials | 358 | 10.4K | 474 | 586 |
| 4 | Composite Materials | 222 | 10.2K | 133 | 135 |
| 5 | Catalysis | 184 | 9.1K | 412 | 378 |
| 6 | Bioengineering | 83 | 8.7K | 633 | 346 |
| 7 | Chemical Engineering | 198 | 8.2K | 473 | 457 |
| 8 | Biochemical Engineering | 66 | 8.1K | 595 | 322 |
| 9 | Physics | 173 | 7.7K | 1354 | 1331 |
| 10 | Medicine | 252 | 7.7K | 912 | 989 |
| 11 | Science | 207 | 7.7K | 994 | 1263 |
| 12 | Nanotechnology | 132 | 7.4K | 711 | 603 |
| 13 | Environment | 90 | 6.8K | 749 | 671 |
| 14 | Biomedical Engineering | 155 | 5.9K | 491 | 439 |
| 15 | Biology | 95 | 5.9K | 1476 | 1404 |
| 16 | Sports Medicine | 180 | 5.3K | 119 | 157 |
| 17 | Biocompatible Materials | 130 | 5.2K | 467 | 579 |
| 18 | Europe | 286 | 5.2K | 108 | 155 |
| 19 | Research | 194 | 5.1K | 915 | 981 |
| 20 | Molecular Biology | 88 | 5.1K | 1478 | 1172 |
| 21 | Materials Science | 136 | 5.1K | 577 | 601 |
| 22 | Sports | 173 | 4.8K | 87 | 112 |
| 23 | Public Health | 239 | 4.7K | 365 | 550 |
| 24 | Education | 231 | 4.5K | 224 | 260 |
| 25 | food technology | 101 | 4.5K | 229 | 167 |
| 26 | Biomass Energy | 53 | 4.4K | 376 | 251 |
| 27 | Food | 85 | 4.1K | 334 | 256 |
| 28 | Crystal growth | 125 | 4.0K | 12 | 22 |
| 29 | Psychiatry | 88 | 3.9K | 633 | 582 |
| 30 | Microbiology | 87 | 3.9K | 1103 | 1055 |
| 31 | Social Psychology | 126 | 3.7K | 210 | 323 |
| 32 | Biochemistry | 120 | 3.6K | 1537 | 1528 |
| 33 | Electrochemistry | 287 | 3.6K | 280 | 514 |
| 34 | United States | 90 | 3.4K | 721 | 560 |
| 35 | Physical fitness | 66 | 3.3K | 47 | 57 |
| 36 | rehabilitation | 92 | 3.1K | 192 | 203 |
| 37 | Graph Theory | 7 | 3.1K | 453 | 10 |
| 38 | Nutrition | 78 | 3.1K | 651 | 599 |
| 39 | Business | 22 | 3.0K | 733 | 358 |
| 40 | management | 77 | 3.0K | 525 | 614 |
| 41 | Biomechanics | 61 | 3.0K | 157 | 148 |
| 42 | Surface Chemistry | 106 | 3.0K | 569 | 650 |
| 43 | Ecology | 61 | 2.9K | 1353 | 1296 |
| 44 | Psychology | 114 | 2.9K | 665 | 694 |
| 45 | Environmental Management | 42 | 2.8K | 594 | 395 |
| 46 | Physical Therapy | 76 | 2.8K | 113 | 122 |
| 47 | Mathematics | 156 | 2.8K | 973 | 741 |
| 48 | Green Chemistry | 29 | 2.7K | 474 | 265 |
| 49 | Colloids | 83 | 2.7K | 683 | 726 |
| 50 | nanoscience | 45 | 2.6K | 675 | 591 |
| 51 | Software Engineering | 85 | 2.6K | 44 | 81 |
| 52 | Diet | 34 | 2.6K | 441 | 336 |
| 53 | Qualitative Research | 14 | 2.6K | 167 | 21 |
| 54 | Ireland | 226 | 2.5K | 6 | 3 |
| 55 | Geriatrics | 168 | 2.4K | 217 | 370 |
| 56 | medical education | 76 | 2.3K | 207 | 184 |
| 57 | Microelectronics | 34 | 2.3K | 433 | 330 |
| 58 | Mental Disorders | 35 | 2.3K | 645 | 515 |
| 59 | energy conservation | 9 | 2.3K | 1163 | 359 |
| 60 | Ergonomics | 40 | 2.3K | 161 | 70 |
| 61 | Ceramic materials | 51 | 2.3K | 143 | 89 |
| 62 | miniaturization | 21 | 2.3K | 598 | 391 |
| 63 | Exercise | 82 | 2.3K | 76 | 85 |
| 64 | Technology | 24 | 2.2K | 1279 | 555 |
| 65 | actuators | 69 | 2.0K | 255 | 354 |
| 65 | transducers | 69 | 2.0K | 255 | 354 |
| 67 | Biophysics | 64 | 1.9K | 1218 | 1222 |
| 68 | Optics | 85 | 1.9K | 836 | 734 |
| 68 | Statistical physics | 66 | 1.9K | 806 | 730 |
| 70 | Health Services Research | 53 | 1.9K | 228 | 200 |
| 71 | Cybernetics | 20 | 1.8K | 508 | 279 |
| 72 | Optical materials | 26 | 1.8K | 896 | 602 |
| 73 | dietary supplements | 23 | 1.8K | 111 | 35 |
| 74 | Nonlinear Dynamics | 59 | 1.8K | 435 | 418 |
| 75 | Environmental Policy | 36 | 1.7K | 748 | 722 |
| 76 | Aging | 149 | 1.7K | 217 | 477 |
| 77 | Pharmacology | 38 | 1.7K | 1403 | 1153 |
| 78 | Teaching | 55 | 1.7K | 227 | 210 |
| 79 | locomotion | 12 | 1.7K | 233 | 58 |
| 79 | posture | 12 | 1.7K | 233 | 58 |
| 79 | gait | 12 | 1.7K | 233 | 58 |
| 79 | walking | 12 | 1.7K | 233 | 58 |
| 83 | industrial relations | 85 | 1.7K | 47 | 49 |
| 84 | Economics | 66 | 1.6K | 904 | 783 |
| 85 | Psychophysiology | 51 | 1.6K | 648 | 707 |
| 86 | Nanostructured Materials | 59 | 1.6K | 691 | 804 |
| 87 | Epidemiology | 147 | 1.6K | 300 | 662 |
| 88 | marketing | 34 | 1.6K | 484 | 461 |
| 89 | Educational Technology | 32 | 1.5K | 275 | 146 |
| 90 | Sustainable Engineering | 22 | 1.5K | 471 | 298 |
| 91 | Energy Policy | 29 | 1.5K | 758 | 683 |
| 92 | Neurology | 41 | 1.5K | 1251 | 1251 |
| 93 | Polymers | 58 | 1.5K | 1125 | 1070 |
| 94 | Sociology | 86 | 1.5K | 389 | 546 |
| 95 | Manufacturing Processes | 46 | 1.5K | 460 | 410 |
| 96 | Fiber Optics | 31 | 1.4K | 220 | 133 |
| 97 | Pollution | 27 | 1.4K | 1864 | 1648 |
| 98 | Electronics | 75 | 1.4K | 601 | 666 |
| 99 | software | 20 | 1.4K | 222 | 89 |
| 100 | Environmental Health | 26 | 1.3K | 1740 | 1413 |
| 101 | drugs | 27 | 1.3K | 520 | 340 |
| 102 | school sports | 36 | 1.3K | 5 | 6 |
| 103 | personality | 21 | 1.3K | 527 | 455 |
| 104 | Emotions | 14 | 1.3K | 234 | 145 |
| 105 | Metallurgy | 31 | 1.2K | 620 | 487 |
| 106 | Analytical Chemistry | 45 | 1.2K | 1242 | 1264 |
| 106 | health planning | 61 | 1.2K | 226 | 265 |
| 108 | Detectors | 32 | 1.2K | 287 | 169 |
| 109 | coal | 22 | 1.2K | 497 | 385 |
| 110 | Engineering | 65 | 1.2K | 721 | 791 |
| 111 | Health Policy | 45 | 1.2K | 408 | 414 |
| 112 | Glass | 30 | 1.2K | 225 | 205 |
| 113 | Renewable Energy Sources | 33 | 1.2K | 632 | 1046 |
| 114 | Natural history | 8 | 1.2K | 1810 | 1680 |
| 115 | Recycling | 18 | 1.1K | 119 | 144 |
| 116 | Political Science | 25 | 1.1K | 576 | 314 |
| 117 | Human Resources | 28 | 1.1K | 35 | 63 |
| 118 | Ceramics | 35 | 1.1K | 272 | 249 |
| 119 | pottery | 29 | 1.1K | 221 | 217 |
| 120 | Health Education | 47 | 1.1K | 328 | 345 |
| 121 | bees | 12 | 1.1K | 132 | 55 |
| 122 | polymerization | 38 | 1.1K | 1179 | 1062 |
| 123 | Health | 40 | 1.0K | 398 | 427 |
| 124 | Structural Engineering | 20 | 998 | 601 | 383 |
| 125 | Social Sciences | 34 | 996 | 851 | 625 |
| 126 | Information Technology | 26 | 986 | 602 | 565 |
| 127 | Pharmacy | 22 | 974 | 669 | 496 |
| 128 | preventive medicine | 12 | 966 | 466 | 296 |
| 129 | Pharmaceutical Chemistry | 20 | 953 | 1394 | 1097 |
| 130 | Environmental Engineering | 27 | 945 | 1138 | 1103 |
| 131 | Psychosomatic Medicine | 20 | 941 | 204 | 193 |
| 132 | Intellectual disability | 36 | 912 | 144 | 169 |
| 133 | commerce | 15 | 910 | 555 | 378 |
| 134 | environmental pollution | 18 | 890 | 1833 | 1609 |
| 135 | Nanoparticles | 25 | 878 | 519 | 533 |
| 136 | Obstetrics | 28 | 868 | 608 | 549 |
| 137 | Genetic algorithms | 7 | 864 | 165 | 124 |
| 137 | Cardiovascular system | 12 | 864 | 611 | 582 |
| 139 | Nanostructures | 14 | 842 | 816 | 612 |
| 140 | Food Microbiology | 15 | 841 | 412 | 375 |
| 141 | Primary health care | 38 | 829 | 315 | 335 |
| 142 | Mental illness | 23 | 821 | 547 | 661 |
| 143 | Energy Conversion | 16 | 814 | 477 | 584 |
| 143 | lasers | 29 | 814 | 601 | 457 |
| 145 | Photonics | 24 | 788 | 660 | 687 |
| 146 | behavioral medicine | 26 | 780 | 314 | 437 |
| 147 | Pharmacokinetics | 12 | 778 | 280 | 170 |
| 148 | Evolutionary Computation | 3 | 774 | 463 | 156 |
| 149 | Language Disorders | 32 | 773 | 181 | 192 |
| 149 | Speech Disorders | 32 | 773 | 250 | 290 |
| 151 | Behavior | 28 | 766 | 957 | 1211 |
| 152 | Bacteriology | 7 | 749 | 1067 | 710 |
| 153 | Cognition | 20 | 740 | 647 | 611 |
| 154 | Industrial Engineering | 29 | 730 | 433 | 494 |
| 155 | Physical Chemistry | 10 | 728 | 1205 | 737 |
| 156 | mass transfer | 23 | 727 | 591 | 584 |
| 157 | Learning disabilities | 35 | 724 | 149 | 189 |
| 158 | Physiology | 29 | 712 | 1262 | 1416 |
| 158 | Adhesion | 16 | 712 | 130 | 50 |
| 158 | adhesives | 16 | 712 | 143 | 51 |
| 161 | Community Psychology | 42 | 710 | 53 | 178 |
| 162 | Occupational Health | 7 | 709 | 584 | 190 |
| 163 | Chemical processes | 28 | 703 | 65 | 65 |
| 164 | Pharmaceutical Technology | 12 | 698 | 720 | 456 |
| 165 | speech therapy | 27 | 696 | 76 | 73 |
| 165 | Drug design | 14 | 696 | 570 | 411 |
| 167 | Quantum electronics | 25 | 691 | 461 | 363 |
| 168 | Medical Laboratory Science | 15 | 690 | 792 | 758 |
| 169 | Australia | 35 | 685 | 298 | 332 |
| 170 | Quality Control | 30 | 676 | 291 | 400 |
| 171 | Vocational guidance | 8 | 656 | 509 | 336 |
| 171 | disabilities | 34 | 656 | 105 | 130 |
| 171 | Chemical industry | 23 | 656 | 326 | 213 |
| 174 | economic policy | 20 | 647 | 853 | 509 |
| 174 | recreation | 23 | 647 | 151 | 112 |
| 176 | Industrial Microbiology | 16 | 642 | 708 | 736 |
| 176 | Tourism | 23 | 642 | 438 | 644 |
| 178 | Surgery | 37 | 635 | 348 | 645 |
| 179 | Entrepreneurship | 17 | 626 | 255 | 453 |
| 180 | Research Design | 19 | 622 | 331 | 372 |
| 181 | Small Business | 13 | 618 | 253 | 401 |
| 182 | Music Therapy | 31 | 616 | 14 | 13 |
| 183 | environmental protection | 38 | 611 | 808 | 1383 |
| 184 | Cytology | 18 | 609 | 1532 | 1640 |
| 184 | Mathematics Education | 39 | 609 | 17 | 54 |
| 186 | Power Electronics | 7 | 607 | 692 | 463 |
| 187 | health behavior | 15 | 598 | 305 | 258 |
| 188 | Adolescent | 15 | 597 | 803 | 619 |
| 189 | Communication | 23 | 595 | 648 | 728 |
| 190 | pain | 20 | 593 | 417 | 486 |
| 191 | Biopharmaceutics | 15 | 592 | 382 | 345 |
| 191 | Social behavior | 34 | 592 | 235 | 423 |
| 193 | cell interaction | 7 | 585 | 592 | 370 |
| 194 | Transportation | 7 | 582 | 1024 | 575 |
| 195 | Parenteral nutrition | 10 | 581 | 427 | 347 |
| 196 | Toxicology | 11 | 578 | 2263 | 1818 |
| 197 | food handling | 19 | 577 | 189 | 249 |
| 197 | computer networks | 21 | 577 | 871 | 867 |
| 199 | Agricultural Chemistry | 16 | 569 | 857 | 823 |
| 200 | Artificial Intelligence | 30 | 565 | 1202 | 1460 |
| 200 | Human Capital | 10 | 565 | 53 | 26 |
| 202 | human behavior | 15 | 561 | 980 | 1196 |
| 203 | motivation | 7 | 560 | 188 | 114 |
| 204 | Bioenergetics | 22 | 556 | 206 | 320 |
| 205 | Electrochemical Analysis | 24 | 554 | 467 | 521 |
| 205 | Emotion | 6 | 554 | 116 | 69 |
| 207 | Drug delivery systems | 13 | 553 | 655 | 647 |
| 208 | Metabolism | 11 | 552 | 1115 | 1050 |
| 209 | occupational diseases | 5 | 542 | 510 | 234 |
| 210 | Cell communication | 5 | 540 | 391 | 181 |
| 211 | technical education | 30 | 539 | 63 | 83 |
| 212 | Human-Computer Interaction | 16 | 536 | 504 | 476 |
| 212 | Hazardous waste | 11 | 536 | 384 | 413 |
| 214 | Project Management | 11 | 534 | 93 | 138 |
| 215 | Hypertension | 4 | 525 | 979 | 709 |
| 216 | Psychiatric Nursing | 12 | 524 | 257 | 94 |
| 217 | Public Administration | 31 | 522 | 317 | 388 |
| 218 | Culture | 20 | 521 | 303 | 194 |
| 219 | Mental Health | 35 | 518 | 320 | 445 |
| 219 | Communication Disorders | 20 | 518 | 41 | 50 |
| 221 | Information Science | 17 | 516 | 989 | 1003 |
| 222 | environmental exposure | 3 | 513 | 1782 | 724 |
| 223 | radioactive waste | 10 | 512 | 335 | 406 |
| 223 | industrial waste | 10 | 512 | 356 | 407 |
| 225 | Economic History | 51 | 508 | 633 | 989 |
| 226 | Health promotion | 14 | 501 | 399 | 322 |
| 226 | Metals | 22 | 501 | 693 | 770 |
| 228 | Water | 13 | 498 | 1138 | 1262 |
| 229 | Medical Microbiology | 7 | 496 | 1203 | 980 |
| 229 | Metallography | 10 | 496 | 380 | 227 |
| 231 | International Relations | 34 | 490 | 218 | 265 |
| 232 | Environmental Chemistry | 5 | 488 | 1548 | 998 |
| 232 | amino acids | 4 | 488 | 462 | 130 |
| 234 | Robotics | 18 | 475 | 650 | 630 |
| 235 | Numerical Analysis | 38 | 464 | 569 | 727 |
| 236 | Computer Science | 13 | 462 | 889 | 475 |
| 236 | Ocean Engineering | 10 | 462 | 932 | 711 |
| 238 | Higher Education | 17 | 461 | 153 | 140 |
| 238 | Sociolinguistics | 16 | 461 | 105 | 104 |
| 240 | Political Psychology | 17 | 456 | 86 | 142 |
| 240 | Gerontology | 36 | 456 | 419 | 593 |
| 240 | Developmental Disabilities | 14 | 456 | 389 | 437 |
| 243 | Spectrum analysis | 11 | 453 | 2287 | 1802 |
| 244 | Organizational learning | 11 | 451 | 61 | 40 |
| 245 | adolescence | 8 | 446 | 513 | 393 |
| 246 | Environmental monitoring | 17 | 445 | 1618 | 1938 |
| 247 | Cell Biology | 12 | 444 | 1691 | 1776 |
| 248 | organizational effectiveness | 11 | 440 | 108 | 81 |
| 249 | Art Therapy | 16 | 438 | 21 | 18 |
| 249 | Energy Storage | 14 | 438 | 484 | 525 |
| 251 | Adolescent Psychology | 9 | 437 | 421 | 362 |
| 252 | Occupational Therapy | 32 | 435 | 181 | 166 |
| 253 | Semiconductors | 14 | 431 | 962 | 663 |
| 254 | Mental Health Services | 22 | 429 | 323 | 376 |
| 255 | Child | 23 | 424 | 718 | 856 |
| 256 | Water pollution | 14 | 421 | 1260 | 1392 |
| 257 | Electrical Engineering | 46 | 416 | 778 | 969 |
| 258 | enzymes | 7 | 415 | 897 | 646 |
| 259 | Agriculture | 8 | 414 | 1185 | 795 |
| 260 | Immunology | 11 | 413 | 1411 | 1375 |
| 261 | Nursing | 31 | 408 | 432 | 524 |
| 262 | Molecular Microbiology | 4 | 407 | 664 | 527 |
| 263 | energy resources | 6 | 405 | 901 | 894 |
| 264 | Neuropsychology | 9 | 404 | 1216 | 965 |
| 265 | Regional Planning | 19 | 402 | 526 | 596 |
| 266 | Signal Processing | 20 | 398 | 1007 | 1194 |
| 267 | Animal Behavior | 10 | 394 | 985 | 980 |
| 267 | System analysis | 20 | 394 | 873 | 971 |
| 269 | Telecommunication | 25 | 392 | 849 | 1114 |
| 270 | health services accessibility | 13 | 386 | 326 | 320 |
| 271 | Fluid Dynamics | 28 | 383 | 276 | 442 |
| 272 | Crystallography | 9 | 382 | 992 | 392 |
| 272 | Reproduction | 21 | 382 | 778 | 899 |
| 274 | Economic Development | 9 | 377 | 810 | 783 |
| 275 | Public Policy | 16 | 376 | 622 | 707 |
| 276 | Molecular structure | 8 | 374 | 1511 | 987 |
| 277 | Urology | 15 | 371 | 613 | 637 |
| 278 | Soil ecology | 15 | 369 | 240 | 372 |
| 279 | Ultrasonics | 13 | 364 | 477 | 595 |
| 279 | Sonochemistry | 13 | 364 | 176 | 351 |
| 281 | Algae | 2 | 355 | 808 | 362 |
| 282 | Soil Science | 15 | 354 | 766 | 928 |
| 282 | Chronic diseases | 4 | 354 | 477 | 354 |
| 284 | soil conservation | 11 | 353 | 268 | 283 |
| 285 | Seaweed | 1 | 350 | 818 | 286 |
| 286 | Microbial Ecology | 8 | 342 | 1226 | 1310 |
| 287 | Electrophoresis | 8 | 340 | 947 | 702 |
| 288 | Industrial Design | 11 | 339 | 68 | 63 |
| 289 | Visual Arts | 10 | 337 | 13 | 11 |
| 289 | Interpersonal Communication | 10 | 337 | 10 | 10 |
| 289 | Ethology | 7 | 337 | 913 | 899 |
| 289 | design | 10 | 337 | 92 | 72 |
| 293 | sanitation | 6 | 336 | 971 | 1044 |
| 293 | Soil biology | 14 | 336 | 367 | 615 |
| 293 | Randomized Controlled Trials | 17 | 336 | 318 | 272 |
| 296 | General Surgery | 22 | 335 | 180 | 186 |
| 297 | Ecological Engineering | 12 | 330 | 176 | 312 |
| 298 | Combustion | 15 | 329 | 505 | 596 |
| 298 | Dance therapy | 16 | 329 | 20 | 18 |
| 300 | educational innovations | 6 | 328 | 311 | 187 |
| 301 | Europa | 17 | 326 | 121 | 196 |
| 302 | Intelligent Transportation Systems | 11 | 323 | 490 | 605 |
| 303 | Solid State Physics | 13 | 321 | 1998 | 1781 |
| 304 | Pediatrics | 12 | 318 | 964 | 1084 |
| 305 | Quality of life | 10 | 312 | 653 | 714 |
| 306 | Materials Engineering | 27 | 309 | 62 | 133 |
| 306 | Human genetics | 6 | 309 | 1066 | 1449 |
| 306 | cell membrane | 14 | 309 | 235 | 356 |
| 309 | Self | 8 | 308 | 61 | 59 |
| 310 | pain management | 10 | 307 | 244 | 232 |
| 311 | Developmental Biology | 8 | 306 | 1048 | 1107 |
| 312 | Genetic engineering | 12 | 301 | 915 | 1065 |
| 312 | Critical Care | 6 | 301 | 804 | 824 |
| 312 | Critical Care Medicine | 6 | 301 | 781 | 821 |
| 312 | Carbon | 7 | 301 | 814 | 923 |
| 312 | insurance | 5 | 301 | 270 | 112 |
| 317 | Organizational Behavior | 8 | 299 | 317 | 420 |
| 317 | Neurophysiology | 10 | 299 | 1435 | 1469 |
| 317 | Wildlife conservation | 3 | 299 | 975 | 702 |
| 317 | Identity | 6 | 299 | 56 | 51 |
| 317 | Condensed Matter | 9 | 299 | 1791 | 1538 |
| 322 | Statistics | 26 | 293 | 914 | 1031 |
| 323 | Gender Studies | 12 | 290 | 156 | 182 |
| 324 | Asia | 16 | 289 | 1035 | 976 |
| 325 | Hematology | 5 | 288 | 1199 | 1022 |
| 325 | Clinical Psychology | 10 | 288 | 608 | 680 |
| 327 | Endocrinology | 8 | 287 | 1482 | 1471 |
| 327 | Paleogeography | 5 | 287 | 719 | 545 |
| 327 | Enteral nutrition | 3 | 287 | 704 | 466 |
| 330 | Land use | 9 | 286 | 573 | 583 |
| 331 | Paleoclimatology | 4 | 283 | 905 | 644 |
| 331 | Paleoecology | 4 | 283 | 872 | 602 |
| 333 | Fracture mechanics | 9 | 281 | 804 | 696 |
| 333 | Obesity | 11 | 281 | 868 | 1042 |
| 333 | Chemical analysis | 7 | 281 | 704 | 588 |
| 336 | Energy metabolism | 13 | 279 | 265 | 392 |
| 336 | Multiphase Flow | 11 | 279 | 156 | 206 |
| 338 | Zeolites | 11 | 278 | 392 | 559 |
| 339 | Business Ethics | 8 | 277 | 571 | 838 |
| 339 | Catalysts | 9 | 277 | 327 | 264 |
| 341 | Biomass | 5 | 276 | 469 | 398 |
| 342 | Geography | 14 | 274 | 877 | 1050 |
| 343 | Neurosurgery | 4 | 273 | 731 | 504 |
| 343 | Socioeconomic Factors | 9 | 273 | 344 | 331 |
| 345 | Animal breeding | 15 | 271 | 303 | 358 |
| 346 | Long-Term Care | 4 | 270 | 393 | 293 |
| 346 | Long-term care facilities | 4 | 270 | 391 | 293 |
| 348 | Software Maintenance | 13 | 269 | 20 | 23 |
| 348 | Agronomy | 4 | 269 | 333 | 299 |
| 350 | Multilingualism | 11 | 268 | 70 | 89 |
| 351 | Immunotherapy | 8 | 267 | 924 | 1010 |
| 351 | Electronic Packaging | 18 | 267 | 46 | 69 |
| 351 | innovation | 9 | 267 | 287 | 513 |
| 351 | Virulence | 1 | 267 | 1282 | 788 |
| 351 | Bacterial diseases | 1 | 267 | 514 | 100 |
| 356 | Virology | 4 | 265 | 1889 | 1654 |
| 357 | Data Mining | 15 | 264 | 538 | 862 |
| 358 | Surface-Active Agents | 10 | 258 | 499 | 689 |
| 358 | Surface properties | 10 | 258 | 544 | 765 |
| 360 | Forensic Psychiatry | 13 | 255 | 203 | 212 |
| 360 | Vaccines | 12 | 255 | 687 | 801 |
| 362 | Heat Exchangers | 13 | 251 | 553 | 839 |
| 362 | Medical Anthropology | 14 | 251 | 464 | 801 |
| 364 | Fluid Mechanics | 23 | 250 | 477 | 761 |
| 364 | Production Management | 4 | 250 | 990 | 927 |
| 366 | Agricultural Science | 3 | 247 | 192 | 184 |
| 367 | Educational Psychology | 11 | 246 | 718 | 802 |
| 368 | Production Engineering | 14 | 245 | 840 | 907 |
| 369 | Child psychology | 12 | 244 | 650 | 913 |
| 370 | Medical genetics | 4 | 243 | 1494 | 1350 |
| 371 | Simulation Methods | 6 | 241 | 648 | 382 |
| 371 | land degradation | 6 | 241 | 263 | 229 |
| 371 | degradation | 6 | 241 | 263 | 229 |
| 374 | Environmental Education | 4 | 240 | 277 | 157 |
| 375 | Early Childhood Education | 7 | 239 | 358 | 226 |
| 375 | Geriatric Psychiatry | 13 | 239 | 366 | 474 |
| 377 | cytokines | 7 | 238 | 691 | 730 |
| 377 | finance | 20 | 238 | 867 | 1193 |
| 379 | Operations Research | 11 | 237 | 1214 | 1262 |
| 380 | viruses | 1 | 236 | 1546 | 857 |
| 381 | Genetic translocation | 1 | 235 | 363 | 97 |
| 381 | plasmids | 1 | 235 | 363 | 97 |
| 383 | Mechanical Engineering | 24 | 233 | 824 | 1057 |
| 383 | Process Control | 3 | 233 | 966 | 778 |
| 385 | Organic Chemistry | 8 | 232 | 1937 | 1730 |
| 385 | technology transfer | 3 | 232 | 246 | 131 |
| 385 | Therapeutics | 7 | 232 | 905 | 926 |
| 385 | Biomolecules | 4 | 232 | 349 | 312 |
| 389 | Requirements Engineering | 5 | 231 | 38 | 42 |
| 389 | Cancer | 9 | 231 | 1426 | 1659 |
| 391 | Solar Energy | 8 | 230 | 1055 | 1209 |
| 391 | Social welfare | 19 | 230 | 159 | 230 |
| 393 | Scandinavia | 14 | 227 | 180 | 264 |
| 394 | micromechanics | 12 | 226 | 227 | 320 |
| 395 | Energy Harvesting | 3 | 224 | 430 | 431 |
| 396 | Genetics | 4 | 222 | 2499 | 2065 |
| 396 | Organizational change | 10 | 222 | 291 | 372 |
| 396 | Social problems | 11 | 222 | 249 | 383 |
| 399 | Medical Technology | 4 | 221 | 1241 | 845 |
| 399 | Engineering Mathematics | 25 | 221 | 514 | 825 |
| 401 | Magnetic Materials | 13 | 220 | 735 | 913 |
| 402 | Genomics | 10 | 219 | 1469 | 1702 |
| 403 | Clinical Chemistry | 4 | 216 | 1884 | 1529 |
| 404 | Tissue Engineering | 1 | 215 | 611 | 177 |
| 404 | Chromosome mapping | 10 | 215 | 826 | 1103 |
| 404 | gene mapping | 10 | 215 | 901 | 1223 |
| 407 | Information Systems | 5 | 214 | 1052 | 772 |
| 407 | fuel cells | 11 | 214 | 618 | 929 |
| 407 | biopolymers | 10 | 214 | 597 | 714 |
| 410 | Computer-Aided Design | 7 | 213 | 744 | 636 |
| 410 | Structure-activity relationship | 1 | 213 | 485 | 150 |
| 412 | humanistic psychology | 3 | 212 | 68 | 20 |
| 413 | Bioremediation | 3 | 211 | 851 | 498 |
| 413 | Multiple sclerosis | 7 | 211 | 312 | 192 |
| 415 | Microprocessors | 7 | 205 | 346 | 193 |
| 415 | Biometrics | 13 | 205 | 452 | 538 |
| 415 | Nervous system | 4 | 205 | 1758 | 1445 |
| 418 | Molecular Pharmacology | 8 | 204 | 425 | 590 |
| 418 | Developing countries | 13 | 204 | 984 | 1265 |
| 420 | cultural pluralism | 9 | 202 | 143 | 137 |
| 421 | Wireless Communication Systems | 21 | 201 | 897 | 1319 |
| 422 | Hydrology | 9 | 198 | 1323 | 1414 |
| 423 | Enzyme | 2 | 196 | 663 | 392 |
| 424 | Solid State Chemistry | 9 | 195 | 1580 | 1494 |
| 424 | Soft Condensed Matter | 7 | 195 | 654 | 672 |
| 424 | Diagnostic microbiology | 4 | 195 | 791 | 920 |
| 427 | Community Psychiatry | 12 | 194 | 370 | 576 |
| 427 | Lipids | 6 | 194 | 827 | 922 |
| 429 | complementary therapies | 6 | 191 | 1114 | 973 |
| 429 | Happiness | 8 | 191 | 145 | 266 |
| 431 | Child Development | 12 | 190 | 882 | 1195 |
| 432 | Pregnancy | 3 | 189 | 775 | 435 |
| 433 | Neuroendocrinology | 2 | 188 | 157 | 164 |
| 433 | Public opinion | 6 | 188 | 262 | 273 |
| 435 | Superconductors | 9 | 187 | 505 | 400 |
| 435 | Diagnostic Imaging | 6 | 187 | 1178 | 984 |
| 435 | Inflammation | 3 | 187 | 1000 | 860 |
| 438 | sports injuries | 11 | 186 | 176 | 225 |
| 439 | Cognitive Science | 14 | 185 | 613 | 1091 |
| 440 | International Finance | 11 | 184 | 872 | 1086 |
| 441 | soil microbiology | 5 | 183 | 1034 | 1252 |
| 442 | Product Design | 8 | 182 | 291 | 231 |
| 442 | Health insurance | 1 | 182 | 683 | 240 |
| 444 | Post-traumatic stress disorder | 6 | 180 | 476 | 522 |
| 445 | civil service | 8 | 179 | 182 | 228 |
| 446 | Neurochemistry | 7 | 178 | 1391 | 1470 |
| 446 | Palliative Care | 9 | 178 | 375 | 372 |
| 446 | Access to Information | 4 | 178 | 107 | 150 |
| 446 | big data | 4 | 178 | 482 | 323 |
| 446 | Decision making | 7 | 178 | 859 | 889 |
| 446 | Information dissemination | 4 | 178 | 107 | 150 |
| 452 | population geography | 3 | 176 | 389 | 214 |
| 453 | Critical Discourse Analysis | 11 | 173 | 3 | 17 |
| 453 | Ideology | 1 | 173 | 156 | 18 |
| 453 | Bioorganic chemistry | 4 | 173 | 2188 | 1876 |
| 453 | Social work | 13 | 173 | 613 | 678 |
| 453 | proteins | 7 | 173 | 1198 | 1213 |
| 458 | Systems Biology | 7 | 172 | 870 | 934 |
| 459 | Biosensors | 5 | 171 | 937 | 1230 |
| 459 | Restoration Ecology | 3 | 171 | 399 | 272 |
| 459 | Plastics | 8 | 171 | 1000 | 981 |
| 459 | Bioelectronics | 5 | 171 | 820 | 1123 |
| 459 | United Kingdom | 33 | 171 | 343 | 959 |
| 464 | feeding behavior | 3 | 169 | 681 | 555 |
| 464 | Appetite | 3 | 169 | 605 | 495 |
| 466 | Nutrition physiology | 7 | 167 | 391 | 519 |
| 466 | food industry | 6 | 167 | 424 | 328 |
| 468 | Health Services Administration | 7 | 166 | 525 | 567 |
| 468 | Active Learning | 2 | 166 | 93 | 36 |
| 470 | health services | 11 | 165 | 430 | 581 |
| 471 | Thermodynamics | 14 | 164 | 462 | 537 |
| 471 | East Asia | 4 | 164 | 507 | 180 |
| 473 | Medical Ethics | 9 | 163 | 586 | 540 |
| 474 | Systems Engineering | 14 | 162 | 953 | 1380 |
| 474 | Cerebral cortex | 1 | 162 | 1129 | 703 |
| 476 | Education policy | 3 | 161 | 76 | 46 |
| 477 | Animal Nutrition | 10 | 159 | 257 | 333 |
| 477 | Measurement | 6 | 159 | 964 | 864 |
| 477 | Animal genetics | 10 | 159 | 254 | 375 |
| 480 | Autism | 10 | 158 | 326 | 546 |
| 481 | European integration | 6 | 157 | 133 | 145 |
| 481 | European Economic Community | 6 | 157 | 133 | 145 |
| 483 | Industrial Safety | 7 | 156 | 693 | 742 |
| 484 | Linguistics | 10 | 154 | 727 | 722 |
| 484 | Stress | 3 | 154 | 263 | 180 |
| 484 | Instructional systems | 9 | 154 | 31 | 70 |
| 487 | Alternative Medicine | 5 | 152 | 1067 | 1074 |
| 487 | Microscopy | 8 | 152 | 801 | 752 |
| 489 | biological factors | 7 | 149 | 1226 | 1324 |
| 490 | Industrial Ecology | 5 | 148 | 107 | 170 |
| 490 | Social Entrepreneurship | 3 | 148 | 83 | 58 |
| 492 | Mathematical Physics | 7 | 147 | 1932 | 1638 |
| 492 | Immunopharmacology | 4 | 147 | 859 | 757 |
| 494 | Inclusive Education | 3 | 144 | 156 | 103 |
| 494 | Holistic Health | 7 | 144 | 208 | 212 |
| 494 | Integration | 3 | 144 | 149 | 103 |
| 494 | allied health | 7 | 144 | 127 | 156 |
| 498 | Child welfare | 9 | 143 | 546 | 659 |
| 498 | X-ray crystallography | 3 | 143 | 519 | 283 |
| 500 | Kinesiology | 6 | 142 | 68 | 80 |
| 500 | Kinetics | 6 | 142 | 287 | 255 |
| 500 | industrial hygiene | 7 | 142 | 555 | 386 |
| 503 | Criminology | 11 | 141 | 485 | 570 |
| 503 | Finite Element Method | 3 | 141 | 325 | 181 |
| 503 | Brain | 8 | 141 | 1440 | 1794 |
| 506 | Sustainable Development | 5 | 140 | 1567 | 1656 |
| 506 | intergroup relations | 5 | 140 | 124 | 161 |
| 508 | Experimental Psychology | 5 | 139 | 447 | 448 |
| 508 | Total Quality Management | 12 | 139 | 118 | 324 |
| 508 | Multimedia Systems | 6 | 139 | 1299 | 1149 |
| 508 | internet | 9 | 139 | 852 | 1158 |
| 512 | Memory | 6 | 137 | 1028 | 1177 |
| 513 | Language Acquisition | 2 | 136 | 396 | 190 |
| 513 | Bilingualism | 2 | 136 | 189 | 97 |
| 513 | psychotherapy | 7 | 136 | 754 | 869 |
| 516 | Library Science | 10 | 135 | 388 | 320 |
| 516 | Membranes | 2 | 135 | 1681 | 1407 |
| 518 | Second Language Acquisition | 1 | 133 | 372 | 192 |
| 518 | Substance Abuse | 10 | 133 | 689 | 907 |
| 518 | particles | 8 | 133 | 513 | 697 |
| 521 | Positive Psychology | 2 | 132 | 212 | 200 |
| 522 | Medical Physics | 4 | 131 | 1189 | 1150 |
| 523 | Music | 10 | 130 | 406 | 422 |
| 524 | Speech-Language Pathology | 5 | 129 | 181 | 172 |
| 524 | Environmental Microbiology | 2 | 129 | 1483 | 1268 |
| 524 | international trade | 8 | 129 | 348 | 455 |
| 527 | Dynamics | 3 | 128 | 1633 | 957 |
| 527 | local government | 5 | 128 | 235 | 266 |
| 527 | older people | 18 | 128 | 531 | 810 |
| 530 | Image Processing | 3 | 127 | 2032 | 1667 |
| 530 | Quantum theory | 2 | 127 | 1148 | 674 |
| 532 | Mobile Computing | 9 | 126 | 573 | 794 |
| 532 | Social policy | 11 | 126 | 455 | 625 |
| 532 | vascular diseases | 2 | 126 | 708 | 596 |
| 535 | Environmental Law | 1 | 125 | 1497 | 1179 |
| 536 | Food additives | 8 | 123 | 571 | 1041 |
| 537 | Rheumatology | 7 | 122 | 660 | 800 |
| 537 | Political Sociology | 1 | 122 | 797 | 346 |
| 537 | Thrombosis | 1 | 122 | 1148 | 747 |
| 537 | Feasibility studies | 15 | 122 | 61 | 84 |
| 537 | children | 5 | 122 | 328 | 401 |
| 542 | Prisons | 9 | 121 | 110 | 139 |
| 542 | hydrocolloids | 7 | 121 | 359 | 782 |
| 542 | Interactive multimedia | 5 | 121 | 405 | 511 |
| 545 | protein | 5 | 120 | 866 | 877 |
| 545 | Kidney diseases | 7 | 120 | 517 | 647 |
| 547 | Journalism | 10 | 119 | 232 | 292 |
| 547 | Bioethics | 5 | 119 | 681 | 543 |
| 547 | body temperature | 2 | 119 | 696 | 349 |
| 550 | Radiology | 2 | 118 | 1339 | 786 |
| 550 | Neurobiology | 5 | 118 | 1100 | 1330 |
| 550 | Regional Economics | 8 | 118 | 217 | 346 |
| 550 | X-rays | 1 | 118 | 844 | 297 |
| 550 | Play | 2 | 118 | 37 | 4 |
| 555 | Eastern Europe | 5 | 117 | 603 | 353 |
| 556 | Law | 13 | 116 | 537 | 508 |
| 556 | Speech Perception | 4 | 116 | 277 | 328 |
| 556 | auditory perception | 4 | 116 | 334 | 384 |
| 556 | Smart Materials | 8 | 116 | 521 | 703 |
| 560 | Humanities | 8 | 114 | 1034 | 926 |
| 560 | Language Policy | 4 | 114 | 63 | 79 |
| 562 | environmental indicators | 2 | 113 | 1345 | 1200 |
| 562 | Soil fertility | 3 | 113 | 301 | 366 |
| 562 | Respiration | 4 | 113 | 1076 | 1133 |
| 565 | soil pollution | 5 | 112 | 352 | 400 |
| 565 | Computational Complexity | 5 | 112 | 798 | 596 |
| 565 | Breeding | 5 | 112 | 835 | 941 |
| 568 | Mineral resources | 2 | 111 | 833 | 646 |
| 568 | families | 15 | 111 | 305 | 574 |
| 568 | China | 9 | 111 | 1586 | 2037 |
| 571 | Risk Management | 7 | 110 | 342 | 535 |
| 571 | Microbial Biotechnology | 3 | 110 | 1028 | 863 |
| 571 | Thermochemistry | 4 | 110 | 436 | 384 |
| 571 | Organometallic chemistry | 7 | 110 | 1448 | 1511 |
| 575 | Ferroelectricity | 5 | 108 | 780 | 557 |
| 575 | Work | 4 | 108 | 291 | 267 |
| 577 | arthritis | 4 | 107 | 755 | 957 |
| 578 | Diplomatic relations | 32 | 106 | 101 | 253 |
| 578 | multimedia | 4 | 106 | 406 | 511 |
| 580 | Corporate governance | 6 | 105 | 348 | 601 |
| 580 | plasticity | 2 | 105 | 397 | 438 |
| 580 | women | 10 | 105 | 373 | 438 |
| 583 | Feminism | 5 | 104 | 430 | 367 |
| 583 | Memory disorders | 4 | 104 | 239 | 258 |
| 585 | Nuclear Engineering | 3 | 103 | 1340 | 923 |
| 585 | Telecommunication Systems | 4 | 103 | 1428 | 1159 |
| 587 | biofuels | 2 | 102 | 316 | 429 |
| 587 | Speech | 5 | 102 | 690 | 786 |
| 589 | Granular materials | 6 | 101 | 352 | 561 |
| 590 | Applied Linguistics | 6 | 100 | 410 | 384 |
| 590 | genre | 3 | 100 | 190 | 99 |
| 590 | Entropy | 5 | 100 | 910 | 775 |
| 590 | Evolution | 3 | 100 | 1607 | 1502 |
| 594 | curriculum evaluation | 7 | 99 | 188 | 309 |
| 595 | Histology | 2 | 98 | 1807 | 1504 |
| 595 | Technological Innovations | 1 | 98 | 1753 | 968 |
| 595 | Risk | 7 | 98 | 291 | 503 |
| 595 | Women's health | 5 | 98 | 846 | 908 |
| 595 | community music | 9 | 98 | 6 | 7 |
| 600 | Computational Fluid Dynamics | 7 | 97 | 384 | 544 |
| 601 | Reproductive health | 5 | 96 | 509 | 629 |
| 601 | Industrial Policy | 8 | 96 | 254 | 442 |
| 601 | research and development | 3 | 96 | 307 | 380 |
| 601 | supercritical fluids | 5 | 96 | 290 | 429 |
| 601 | tests | 3 | 96 | 182 | 211 |
| 606 | Automation | 7 | 95 | 1496 | 1937 |
| 606 | Microorganisms | 1 | 95 | 1407 | 1093 |
| 608 | Building Materials | 2 | 94 | 1822 | 1791 |
| 609 | Geriatric Nursing | 9 | 93 | 208 | 282 |
| 609 | sports administration | 8 | 93 | 131 | 252 |
| 611 | Communication in medicine | 2 | 92 | 630 | 447 |
| 612 | Water Microbiology | 3 | 91 | 430 | 431 |
| 613 | Language Arts | 4 | 90 | 87 | 54 |
| 613 | Eurasia | 3 | 90 | 194 | 149 |
| 613 | child behavior | 3 | 90 | 377 | 412 |
| 616 | Computer Engineering | 4 | 89 | 833 | 785 |
| 616 | Superconductivity | 4 | 89 | 392 | 317 |
| 616 | Family | 9 | 89 | 506 | 792 |
| 619 | Anatomy | 7 | 88 | 1204 | 1514 |
| 619 | Exercise therapy | 8 | 88 | 171 | 296 |
| 619 | breastfeeding | 5 | 88 | 316 | 401 |
| 619 | drug therapy | 5 | 88 | 1213 | 1435 |
| 623 | movement | 3 | 87 | 337 | 369 |
| 623 | organization | 3 | 87 | 818 | 906 |
| 625 | Oceanography | 5 | 86 | 1172 | 1396 |
| 625 | Agricultural Ecology | 2 | 86 | 1146 | 1136 |
| 625 | Africa | 6 | 86 | 1029 | 952 |
| 625 | biological evolution | 3 | 86 | 1776 | 1944 |
| 629 | Psychoneuroimmunology | 3 | 85 | 540 | 732 |
| 629 | Industrial Sociology | 3 | 85 | 179 | 212 |
| 629 | Neuroimmunology | 3 | 85 | 597 | 786 |
| 632 | Photochemistry | 2 | 84 | 1869 | 1561 |
| 632 | cultural policy | 6 | 84 | 131 | 154 |
| 632 | terrorism | 6 | 84 | 158 | 190 |
| 632 | Transnational corporations | 4 | 84 | 282 | 402 |
| 632 | Photobiology | 2 | 84 | 1613 | 1306 |
| 637 | Discourse Analysis | 6 | 82 | 218 | 351 |
| 637 | Probability | 5 | 82 | 412 | 528 |
| 637 | health workforce | 2 | 82 | 218 | 238 |
| 637 | Leisure | 4 | 82 | 275 | 364 |
| 641 | Gender identity | 5 | 81 | 193 | 188 |
| 641 | behavior therapy | 4 | 81 | 679 | 763 |
| 643 | Algorithms | 2 | 80 | 916 | 560 |
| 643 | Virtual reality | 2 | 80 | 513 | 400 |
| 643 | Intelligent Control Systems | 4 | 80 | 1050 | 713 |
| 643 | Stem cells | 1 | 80 | 1532 | 1230 |
| 643 | Cellulose | 1 | 80 | 1069 | 717 |
| 648 | Optical Communications | 4 | 79 | 651 | 620 |
| 648 | Nanoelectronics | 14 | 79 | 283 | 553 |
| 648 | Environmental Geochemistry | 3 | 79 | 551 | 545 |
| 648 | Semiconductor industry | 14 | 79 | 200 | 447 |
| 648 | Minerals | 3 | 79 | 789 | 788 |
| 653 | touch | 1 | 78 | 211 | 120 |
| 653 | Language planning | 5 | 78 | 100 | 77 |
| 653 | Social support | 1 | 78 | 294 | 158 |
| 653 | Social environment | 1 | 78 | 312 | 165 |
| 653 | gastrointestinal tract | 2 | 78 | 387 | 497 |
| 658 | Biogeochemistry | 3 | 77 | 982 | 1194 |
| 659 | Teacher Education | 5 | 76 | 46 | 75 |
| 659 | Developmental Psychology | 2 | 76 | 1170 | 997 |
| 659 | Personality Disorders | 2 | 76 | 312 | 291 |
| 659 | mathematical concepts | 6 | 76 | 224 | 275 |
| 663 | Globalization | 9 | 75 | 244 | 521 |
| 663 | Southeast Asia | 2 | 75 | 486 | 221 |
| 663 | Extreme environments | 3 | 75 | 214 | 326 |
| 663 | Biodiversity | 2 | 75 | 2317 | 1924 |
| 667 | Sleep Disorders | 5 | 74 | 1003 | 1194 |
| 667 | Sleep | 5 | 74 | 1014 | 1207 |
| 669 | Microfabrication | 5 | 73 | 225 | 316 |
| 669 | Financial management | 4 | 73 | 360 | 591 |
| 671 | Systems Analysis | 11 | 72 | 481 | 1056 |
| 671 | Control Theory | 6 | 72 | 1260 | 1425 |
| 671 | Gene expression regulation | 3 | 72 | 858 | 943 |
| 671 | Genetic regulation | 3 | 72 | 949 | 1098 |
| 671 | Economic planning | 2 | 72 | 671 | 570 |
| 676 | History | 23 | 71 | 367 | 372 |
| 676 | Bioinorganic chemistry | 3 | 71 | 1328 | 1368 |
| 676 | System design | 3 | 71 | 194 | 207 |
| 676 | Jurisprudence | 12 | 71 | 401 | 744 |
| 676 | Soviet Union | 3 | 71 | 689 | 314 |
| 681 | Career development | 5 | 70 | 285 | 396 |
| 681 | Calorimetry | 6 | 70 | 847 | 1113 |
| 681 | Ethnology | 4 | 70 | 1246 | 1061 |
| 681 | digestion | 1 | 70 | 9 | 7 |
| 681 | educational planning | 2 | 70 | 522 | 478 |
| 681 | Thermal analysis | 6 | 70 | 847 | 1113 |
| 681 | language | 3 | 70 | 792 | 844 |
| 688 | Global Health | 5 | 69 | 735 | 891 |
| 688 | cell adhesion molecules | 2 | 69 | 226 | 396 |
| 690 | Geomorphology | 3 | 68 | 1265 | 1509 |
| 690 | Earthquake Engineering | 6 | 68 | 945 | 1341 |
| 690 | Marine Meteorology | 3 | 68 | 291 | 336 |
| 690 | Labor Unions | 4 | 68 | 188 | 132 |
| 690 | Smoking | 2 | 68 | 812 | 829 |
| 690 | Respiratory Infections | 4 | 68 | 220 | 295 |
| 690 | world | 2 | 68 | 832 | 970 |
| 690 | Influenza | 4 | 68 | 137 | 228 |
| 698 | Demography | 4 | 67 | 534 | 703 |
| 698 | Clinical Pharmacology | 3 | 67 | 1092 | 1131 |
| 698 | Contraception | 4 | 67 | 449 | 594 |
| 698 | Water quality management | 4 | 67 | 1515 | 1687 |
| 698 | clay | 2 | 67 | 976 | 1094 |
| 698 | Central Asia | 2 | 67 | 226 | 152 |
| 698 | Youth | 4 | 67 | 560 | 769 |
| 698 | Birth control | 4 | 67 | 328 | 512 |
| 706 | Health Information Management | 2 | 66 | 429 | 784 |
| 706 | Nuclear Fusion | 1 | 66 | 794 | 473 |
| 706 | mental health promotion | 6 | 66 | 93 | 188 |
| 706 | Wind power | 3 | 66 | 286 | 267 |
| 706 | Oral communication | 4 | 66 | 362 | 423 |
| 706 | Oxidation | 2 | 66 | 191 | 165 |
| 706 | corporate culture | 3 | 66 | 172 | 264 |
| 706 | fusion reactors | 1 | 66 | 607 | 277 |
| 706 | Thorax | 2 | 66 | 395 | 461 |
| 715 | Multicultural Education | 4 | 65 | 332 | 343 |
| 715 | Porous materials | 7 | 65 | 421 | 690 |
| 715 | Food preferences | 2 | 65 | 480 | 502 |
| 715 | freshwater biology | 1 | 65 | 1397 | 953 |
| 719 | Nanochemistry | 5 | 64 | 959 | 1327 |
| 719 | Neuropsychiatry | 3 | 64 | 735 | 813 |
| 719 | Leadership | 2 | 64 | 691 | 753 |
| 719 | Disability Law | 4 | 64 | 128 | 181 |
| 719 | Regional Development | 1 | 64 | 488 | 310 |
| 719 | Development planning | 1 | 64 | 452 | 288 |
| 719 | Tropical Medicine | 2 | 64 | 1827 | 1529 |
| 719 | Japan | 2 | 64 | 2040 | 1526 |
| 727 | hospice care | 5 | 63 | 359 | 476 |
| 727 | Popular culture | 9 | 63 | 212 | 265 |
| 727 | community participation | 2 | 63 | 125 | 107 |
| 727 | social conflict | 3 | 63 | 188 | 203 |
| 727 | Faculty | 2 | 63 | 125 | 107 |
| 727 | optical devices | 2 | 63 | 621 | 482 |
| 727 | drug control | 1 | 63 | 549 | 391 |
| 734 | Digital Media | 3 | 62 | 193 | 238 |
| 734 | Biofeedback | 3 | 62 | 85 | 193 |
| 734 | Neural circuitry | 3 | 62 | 1985 | 2231 |
| 734 | Nutritional support | 3 | 62 | 160 | 256 |
| 734 | data collection | 4 | 62 | 875 | 1203 |
| 739 | Oncology | 3 | 61 | 1669 | 2174 |
| 739 | Intercultural Communication | 3 | 61 | 437 | 503 |
| 739 | Dietetics | 6 | 61 | 353 | 528 |
| 739 | Food Policy | 1 | 61 | 537 | 451 |
| 739 | Biodegradation | 2 | 61 | 930 | 1013 |
| 739 | agricultural policy | 1 | 61 | 414 | 391 |
| 739 | labor | 3 | 61 | 327 | 293 |
| 739 | behavior modification | 2 | 61 | 446 | 524 |
| 739 | Bereavement | 4 | 61 | 129 | 171 |
| 748 | Marine Biology | 2 | 60 | 2474 | 2350 |
| 748 | Systems Theory | 2 | 60 | 549 | 255 |
| 748 | Human Geography | 2 | 60 | 1264 | 1011 |
| 748 | Artificial Organs | 3 | 60 | 537 | 507 |
| 748 | Vaccination | 2 | 60 | 289 | 312 |
| 748 | Eating Disorders | 2 | 60 | 902 | 868 |
| 748 | Feeding and Eating Disorders | 2 | 60 | 873 | 836 |
| 748 | Communism | 3 | 60 | 128 | 114 |
| 748 | Online journalism | 2 | 60 | 129 | 184 |
| 748 | sports equipment | 1 | 60 | 126 | 16 |
| 758 | Geophysics | 15 | 59 | 1484 | 2812 |
| 758 | Phonetics | 3 | 59 | 321 | 366 |
| 760 | Consciousness | 2 | 58 | 590 | 519 |
| 760 | international cooperation | 3 | 58 | 572 | 723 |
| 762 | Special Education | 5 | 57 | 592 | 698 |
| 762 | Forest Ecology | 1 | 57 | 1409 | 1185 |
| 762 | urban health | 1 | 57 | 429 | 320 |
| 762 | Forest Management | 1 | 57 | 1347 | 1118 |
| 762 | counseling | 4 | 57 | 1071 | 1235 |
| 762 | city planning | 6 | 57 | 1099 | 1624 |
| 768 | Organizational Sociology | 3 | 56 | 362 | 435 |
| 768 | Semiotics | 6 | 56 | 211 | 176 |
| 768 | France | 9 | 56 | 190 | 271 |
| 771 | Rural Development | 7 | 55 | 270 | 643 |
| 771 | Mechanics | 5 | 55 | 1030 | 1188 |
| 771 | Economic Assistance | 4 | 55 | 558 | 962 |
| 774 | Mechatronics | 3 | 54 | 890 | 1057 |
| 774 | Nuclear family | 6 | 54 | 95 | 146 |
| 774 | public assistance | 6 | 54 | 41 | 39 |
| 777 | Metabolic diseases | 2 | 53 | 1842 | 2009 |
| 777 | Mycology | 4 | 53 | 1215 | 1569 |
| 777 | Sound | 3 | 53 | 1033 | 927 |
| 777 | Plant diseases | 3 | 53 | 1716 | 1779 |
| 777 | Fungi | 4 | 53 | 805 | 1185 |
| 782 | wood | 2 | 52 | 551 | 453 |
| 783 | Online social networks | 4 | 51 | 206 | 355 |
| 783 | Medical innovations | 1 | 51 | 1246 | 1345 |
| 783 | Dementia | 7 | 51 | 814 | 937 |
| 783 | drug development | 1 | 51 | 1284 | 1203 |
| 783 | European Union | 5 | 51 | 115 | 195 |
| 788 | Philosophy | 5 | 50 | 1216 | 922 |
| 788 | Distance Education | 3 | 50 | 341 | 505 |
| 788 | Biological Systems | 1 | 50 | 953 | 699 |
| 788 | Social Systems | 1 | 50 | 80 | 14 |
| 788 | Graphene | 2 | 50 | 146 | 255 |
| 793 | Maternal health services | 2 | 49 | 418 | 455 |
| 793 | Animal ecology | 2 | 49 | 1223 | 1201 |
| 793 | Environmentalism | 2 | 49 | 200 | 280 |
| 793 | calcification | 2 | 49 | 550 | 631 |
| 793 | language therapy | 2 | 49 | 195 | 193 |
| 793 | India | 4 | 49 | 1245 | 1075 |
| 793 | packaging | 2 | 49 | 146 | 173 |
| 800 | Nondestructive testing | 1 | 48 | 1076 | 752 |
| 800 | Environmental Psychology | 2 | 48 | 469 | 663 |
| 800 | Optoelectronics | 5 | 48 | 372 | 424 |
| 800 | nation-building | 2 | 48 | 42 | 38 |
| 800 | carbon monoxide | 6 | 48 | 171 | 661 |
| 805 | Econometrics | 6 | 47 | 981 | 1267 |
| 805 | Medical Oncology | 2 | 47 | 1440 | 1594 |
| 805 | Counseling Psychology | 1 | 47 | 426 | 362 |
| 805 | Carcinogenesis | 2 | 47 | 968 | 1151 |
| 805 | Language and Culture | 2 | 47 | 218 | 142 |
| 805 | Chemical kinetics | 1 | 47 | 1277 | 664 |
| 805 | Magnetic Resonance Spectroscopy | 3 | 47 | 1052 | 1029 |
| 805 | drug abuse | 2 | 47 | 720 | 708 |
| 805 | Creativity | 2 | 47 | 424 | 520 |
| 814 | Ethics | 5 | 46 | 694 | 952 |
| 814 | Radiation | 3 | 46 | 1988 | 1993 |
| 814 | Hospitality industry | 6 | 46 | 206 | 641 |
| 814 | peptides | 1 | 46 | 1293 | 905 |
| 814 | Learning | 5 | 46 | 920 | 1428 |
| 814 | violence | 4 | 46 | 813 | 1169 |
| 820 | Orthopedics | 4 | 45 | 1075 | 1319 |
| 820 | Cognitive Psychology | 3 | 45 | 447 | 470 |
| 820 | Clinical Trials | 1 | 45 | 738 | 490 |
| 820 | Structural design | 4 | 45 | 702 | 978 |
| 820 | Signal Transduction | 2 | 45 | 1414 | 1631 |
| 820 | Forensic Psychology | 1 | 45 | 630 | 429 |
| 820 | Molecular Spectroscopy | 3 | 45 | 1781 | 2019 |
| 820 | Hormones | 2 | 45 | 1208 | 1359 |
| 820 | muscle strength | 3 | 45 | 68 | 80 |
| 829 | Dance | 6 | 44 | 187 | 163 |
| 829 | sexual orientation | 3 | 44 | 104 | 190 |
| 829 | Anxiety Disorders | 1 | 44 | 752 | 826 |
| 829 | Anxiety | 1 | 44 | 756 | 823 |
| 829 | Elderly | 12 | 44 | 528 | 880 |
| 829 | Social interaction | 2 | 44 | 430 | 499 |
| 829 | human development | 2 | 44 | 935 | 1075 |
| 829 | child abuse | 3 | 44 | 763 | 1075 |
| 837 | Meteorology | 3 | 43 | 1838 | 2356 |
| 837 | Public Relations | 2 | 43 | 563 | 546 |
| 837 | Geochemistry | 2 | 43 | 1953 | 2081 |
| 837 | Flexible manufacturing systems | 3 | 43 | 394 | 648 |
| 837 | civilization | 16 | 43 | 370 | 503 |
| 837 | Cosmochemistry | 2 | 43 | 968 | 1122 |
| 837 | Trademarks | 2 | 43 | 103 | 101 |
| 837 | ecosystem | 2 | 43 | 1407 | 1736 |
| 837 | Flow cytometry | 1 | 43 | 522 | 464 |
| 837 | harm reduction | 1 | 43 | 348 | 256 |
| 847 | Organizational culture | 1 | 42 | 94 | 125 |
| 847 | Emergency Medicine | 8 | 42 | 700 | 1159 |
| 847 | Endocrine glands | 1 | 42 | 410 | 523 |
| 847 | Job satisfaction | 1 | 42 | 224 | 286 |
| 847 | Mass Media | 9 | 42 | 399 | 648 |
| 847 | Political Parties | 3 | 42 | 196 | 303 |
| 847 | cooperation | 4 | 42 | 98 | 114 |
| 847 | Microfluidics | 4 | 42 | 177 | 359 |
| 847 | regional security | 2 | 42 | 71 | 69 |
| 847 | Microstructure | 3 | 42 | 949 | 973 |
| 847 | Administration | 2 | 42 | 113 | 103 |
| 847 | job stress | 1 | 42 | 224 | 286 |
| 847 | regional cooperation | 2 | 42 | 71 | 69 |
| 860 | Zoology | 2 | 41 | 2510 | 2258 |
| 860 | Database Management | 2 | 41 | 875 | 912 |
| 860 | Oncogenes | 2 | 41 | 969 | 1303 |
| 860 | Biodiversity conservation | 2 | 41 | 1597 | 1921 |
| 860 | Solitons | 3 | 41 | 1247 | 1505 |
| 860 | Fractals | 3 | 41 | 1254 | 1510 |
| 860 | Chaos | 3 | 41 | 1247 | 1505 |
| 860 | curriculum | 3 | 41 | 82 | 96 |
| 860 | curriculum planning | 3 | 41 | 168 | 210 |
| 869 | Arts | 4 | 40 | 328 | 261 |
| 869 | Comparative Physiology | 1 | 40 | 1101 | 1034 |
| 869 | Adult Education | 4 | 40 | 514 | 635 |
| 869 | Expert Systems | 1 | 40 | 531 | 284 |
| 869 | Elections | 6 | 40 | 218 | 387 |
| 874 | sustainability | 1 | 39 | 1427 | 1364 |
| 874 | Religion and Psychology | 1 | 39 | 1040 | 625 |
| 874 | Hearing | 2 | 39 | 739 | 757 |
| 874 | Phytotherapy | 2 | 39 | 855 | 1082 |
| 874 | United Nations | 2 | 39 | 77 | 75 |
| 879 | Urban Policy | 2 | 38 | 1054 | 1262 |
| 879 | Differential Equations | 4 | 38 | 938 | 1048 |
| 879 | sadness | 2 | 38 | 314 | 322 |
| 879 | Archives | 4 | 38 | 47 | 54 |
| 879 | Cerebellum | 1 | 38 | 492 | 436 |
| 879 | death | 2 | 38 | 434 | 386 |
| 879 | Suicide | 3 | 38 | 512 | 723 |
| 879 | antisocial personality disorder | 2 | 38 | 314 | 322 |
| 879 | Cerebellar ataxia | 1 | 38 | 492 | 436 |
| 888 | Nanophotonics | 1 | 37 | 552 | 546 |
| 888 | Schizophrenia | 1 | 37 | 1168 | 1150 |
| 888 | Ethnic relations | 4 | 37 | 498 | 609 |
| 888 | Feminist theory | 2 | 37 | 274 | 244 |
| 888 | Sensor Networks | 1 | 37 | 528 | 329 |
| 888 | Research methodology | 2 | 37 | 130 | 211 |
| 888 | Interfaces | 2 | 37 | 449 | 457 |
| 888 | thinking | 1 | 37 | 649 | 548 |
| 896 | Environmental Geology | 2 | 36 | 1835 | 2048 |
| 896 | Land Use Planning | 3 | 36 | 376 | 641 |
| 896 | Population Genetics | 3 | 36 | 1053 | 1556 |
| 896 | Hemodynamics | 1 | 36 | 762 | 834 |
| 896 | Wales | 3 | 36 | 90 | 106 |
| 896 | Fertilizers | 1 | 36 | 553 | 528 |
| 902 | Anthropology | 4 | 35 | 1274 | 1579 |
| 902 | Climatology | 2 | 35 | 1829 | 2049 |
| 902 | Emergency Medical Services | 5 | 35 | 438 | 833 |
| 902 | Social History | 7 | 35 | 306 | 443 |
| 902 | Green Technology | 1 | 35 | 869 | 734 |
| 902 | Cell differentiation | 1 | 35 | 1608 | 1768 |
| 902 | Electroconvulsive therapy | 1 | 35 | 183 | 155 |
| 902 | autism spectrum disorder | 3 | 35 | 61 | 139 |
| 910 | Evolutionary economics | 1 | 34 | 337 | 255 |
| 910 | Organic Geochemistry | 1 | 34 | 537 | 616 |
| 910 | Organometallic compounds | 2 | 34 | 1502 | 1615 |
| 910 | drug evaluation | 2 | 34 | 1361 | 1624 |
| 910 | Fouling | 1 | 34 | 448 | 470 |
| 910 | Population Dynamics | 1 | 34 | 356 | 311 |
| 916 | nuclear magnetic resonance | 3 | 33 | 906 | 1001 |
| 916 | Moral Education | 3 | 33 | 118 | 212 |
| 916 | starch | 1 | 33 | 588 | 502 |
| 916 | Capitalism | 6 | 33 | 62 | 262 |
| 916 | probabilities | 4 | 33 | 1163 | 1208 |
| 916 | Vietnam | 1 | 33 | 264 | 182 |
| 922 | Phenomenology | 4 | 32 | 182 | 201 |
| 922 | Production Planning | 1 | 32 | 548 | 609 |
| 922 | Astrophysics | 10 | 32 | 1757 | 2865 |
| 922 | Machine Learning | 3 | 32 | 327 | 491 |
| 922 | ethnicity | 7 | 32 | 395 | 776 |
| 922 | Totalitarianism | 2 | 32 | 14 | 18 |
| 922 | Fascism | 2 | 32 | 14 | 18 |
| 922 | overuse injuries | 3 | 32 | 12 | 18 |
| 922 | Synchrotron Radiation | 1 | 32 | 603 | 475 |
| 922 | Production Control | 1 | 32 | 532 | 607 |
| 922 | Optoelectronic devices | 8 | 32 | 527 | 1026 |
| 933 | Structural optimization | 1 | 31 | 608 | 571 |
| 933 | Geographic information systems | 2 | 31 | 1353 | 1361 |
| 933 | community development | 6 | 31 | 364 | 853 |
| 933 | Aerosols | 1 | 31 | 812 | 727 |
| 933 | food service | 2 | 31 | 127 | 103 |
| 933 | Bones | 1 | 31 | 952 | 1078 |
| 933 | aerosol | 1 | 31 | 593 | 539 |
| 940 | Computer Architecture | 3 | 30 | 545 | 632 |
| 940 | Geopolitics | 4 | 30 | 192 | 395 |
| 940 | Art | 2 | 30 | 464 | 191 |
| 940 | Cytoskeleton | 1 | 30 | 429 | 470 |
| 940 | Ubiquitous computing | 2 | 30 | 394 | 301 |
| 940 | musculoskeletal system | 2 | 30 | 174 | 270 |
| 940 | Spine | 3 | 30 | 558 | 843 |
| 940 | Aquatic ecology | 2 | 30 | 1051 | 1183 |
| 948 | Religious Education | 5 | 29 | 75 | 117 |
| 948 | Functional Analysis | 1 | 29 | 1892 | 1502 |
| 948 | foreign policy | 22 | 29 | 58 | 193 |
| 951 | Nanomedicine | 1 | 28 | 491 | 582 |
| 951 | Philosophy of Mind | 1 | 28 | 505 | 389 |
| 951 | Historical Sociology | 4 | 28 | 34 | 37 |
| 951 | Crystallization | 3 | 28 | 500 | 557 |
| 951 | Regionalism | 2 | 28 | 294 | 356 |
| 951 | nucleic acids | 1 | 28 | 1829 | 1881 |
| 951 | Steroids | 2 | 28 | 994 | 1276 |
| 951 | investigative techniques | 1 | 28 | 302 | 416 |
| 959 | Chronobiology | 2 | 27 | 633 | 758 |
| 959 | biological clocks | 2 | 27 | 633 | 758 |
| 959 | Critical theory | 2 | 27 | 232 | 227 |
| 959 | Roads | 1 | 27 | 965 | 747 |
| 959 | circadian rhythm | 2 | 27 | 633 | 758 |
| 959 | biological rhythms | 2 | 27 | 607 | 745 |
| 959 | free radicals | 1 | 27 | 1639 | 1872 |
| 959 | Labor Movement | 5 | 27 | 86 | 164 |
| 967 | Technology Assessment | 2 | 26 | 551 | 1061 |
| 967 | Functional foods | 1 | 26 | 690 | 772 |
| 967 | Chromatography | 2 | 26 | 1710 | 2016 |
| 967 | gene therapy | 1 | 26 | 1186 | 1299 |
| 967 | microwave communication systems | 1 | 26 | 604 | 572 |
| 967 | Outdoor Education | 2 | 26 | 105 | 145 |
| 967 | Molecules | 2 | 26 | 1690 | 1649 |
| 967 | Adventure education | 2 | 26 | 68 | 116 |
| 967 | Cheminformatics | 2 | 26 | 394 | 642 |
| 967 | Chromatographic analysis | 2 | 26 | 1946 | 2161 |
| 967 | Microwave devices | 1 | 26 | 701 | 634 |
| 967 | Nonlinear systems | 3 | 26 | 599 | 872 |
| 967 | Fisheries | 1 | 26 | 2068 | 1834 |
| 980 | Molecular recognition | 1 | 25 | 450 | 428 |
| 980 | Bioprinting | 2 | 25 | 59 | 145 |
| 980 | sex crimes | 1 | 25 | 1009 | 990 |
| 983 | Crime prevention | 3 | 24 | 253 | 365 |
| 983 | Vocational Education | 3 | 24 | 515 | 777 |
| 983 | Telecommunications | 3 | 24 | 809 | 1127 |
| 983 | Clinical Biochemistry | 2 | 24 | 1194 | 1435 |
| 983 | Herbal medicine | 2 | 24 | 898 | 1504 |
| 983 | Climate change | 1 | 24 | 1359 | 1699 |
| 983 | Eutrophication | 1 | 24 | 1224 | 1584 |
| 983 | Egypt | 1 | 24 | 1125 | 1153 |
| 991 | Ethnomusicology | 6 | 23 | 4 | 22 |
| 991 | Digital electronics | 3 | 23 | 314 | 373 |
| 991 | housing policy | 1 | 23 | 248 | 204 |
| 991 | Well-being | 2 | 23 | 206 | 314 |
| 991 | Water quality | 1 | 23 | 523 | 541 |
| 991 | Folk Music | 6 | 23 | 4 | 22 |
| 991 | Housing | 1 | 23 | 835 | 910 |
| 991 | glycoproteins | 1 | 23 | 674 | 780 |
| 991 | peace | 2 | 23 | 580 | 721 |
| 991 | Glycoconjugates | 1 | 23 | 674 | 780 |