| 1 | Biochemistry | 878 | 31.7K | 447 | 452 |
| 2 | Chemistry | 794 | 26.8K | 498 | 616 |
| 3 | Chemical Engineering | 676 | 21.8K | 118 | 181 |
| 4 | Pharmacology | 613 | 19.0K | 176 | 206 |
| 5 | Nanotechnology | 377 | 18.4K | 284 | 294 |
| 6 | Materials | 588 | 16.2K | 279 | 418 |
| 7 | Molecular Biology | 440 | 15.8K | 534 | 634 |
| 8 | Biotechnology | 397 | 13.2K | 209 | 390 |
| 9 | Biophysics | 296 | 10.8K | 475 | 426 |
| 10 | Surface Chemistry | 291 | 10.5K | 178 | 195 |
| 11 | Ecology | 214 | 10.1K | 603 | 645 |
| 12 | Biomedical Engineering | 281 | 9.8K | 243 | 257 |
| 13 | Materials Science | 213 | 9.7K | 387 | 362 |
| 14 | Medicine | 456 | 9.7K | 598 | 868 |
| 15 | Research | 337 | 9.4K | 617 | 672 |
| 16 | Physics | 483 | 9.3K | 710 | 1223 |
| 17 | Biochemical Engineering | 242 | 9.1K | 148 | 292 |
| 18 | Colloids | 239 | 8.9K | 260 | 260 |
| 19 | Microbiology | 193 | 8.9K | 671 | 674 |
| 20 | Pollution | 195 | 8.8K | 475 | 544 |
| 21 | Biocompatible Materials | 190 | 8.4K | 345 | 404 |
| 22 | Catalysis | 182 | 8.3K | 418 | 417 |
| 23 | Bioengineering | 293 | 8.3K | 159 | 370 |
| 24 | environmental pollution | 184 | 8.2K | 302 | 301 |
| 25 | Toxicology | 214 | 7.9K | 312 | 321 |
| 26 | Science | 278 | 7.8K | 812 | 1257 |
| 27 | Electrochemistry | 358 | 7.7K | 213 | 254 |
| 28 | Polymers | 344 | 7.7K | 295 | 399 |
| 29 | Environmental monitoring | 171 | 7.3K | 175 | 213 |
| 30 | Biology | 203 | 7.2K | 928 | 1278 |
| 31 | Systems Engineering | 172 | 6.6K | 53 | 46 |
| 32 | Mathematics | 210 | 6.4K | 783 | 372 |
| 33 | polymerization | 275 | 5.7K | 276 | 388 |
| 34 | Nanostructured Materials | 131 | 5.7K | 341 | 307 |
| 35 | nanoscience | 156 | 5.6K | 202 | 327 |
| 36 | health planning | 117 | 5.5K | 74 | 27 |
| 37 | Neurology | 155 | 5.2K | 674 | 759 |
| 38 | Environmental Health | 128 | 5.2K | 591 | 617 |
| 39 | Automation | 96 | 5.2K | 258 | 239 |
| 40 | Pharmaceutical Chemistry | 169 | 5.2K | 305 | 352 |
| 41 | Environment | 77 | 5.0K | 839 | 824 |
| 42 | Optical materials | 122 | 4.5K | 234 | 305 |
| 43 | Artificial Intelligence | 75 | 4.3K | 593 | 367 |
| 44 | Composite Materials | 111 | 3.8K | 307 | 382 |
| 45 | Cybernetics | 69 | 3.8K | 154 | 155 |
| 46 | Bioorganic chemistry | 125 | 3.4K | 215 | 311 |
| 47 | Pharmacy | 96 | 3.4K | 190 | 163 |
| 48 | Nutrition | 78 | 3.4K | 652 | 569 |
| 49 | Organic Chemistry | 123 | 3.2K | 333 | 411 |
| 50 | Organometallic chemistry | 165 | 3.2K | 21 | 37 |
| 51 | Control Theory | 111 | 3.1K | 139 | 140 |
| 52 | Analytical Chemistry | 101 | 3.0K | 738 | 761 |
| 53 | food technology | 96 | 2.9K | 243 | 278 |
| 54 | Biomass Energy | 65 | 2.9K | 295 | 369 |
| 55 | Food | 71 | 2.9K | 416 | 373 |
| 56 | actuators | 80 | 2.9K | 204 | 231 |
| 56 | transducers | 80 | 2.9K | 204 | 231 |
| 58 | Electronics | 135 | 2.8K | 362 | 433 |
| 59 | Environmental Management | 45 | 2.7K | 555 | 424 |
| 60 | Cytology | 88 | 2.6K | 683 | 904 |
| 61 | Botany | 60 | 2.6K | 867 | 802 |
| 62 | Power Electronics | 34 | 2.5K | 229 | 166 |
| 63 | Neural circuitry | 53 | 2.5K | 225 | 177 |
| 64 | Information Science | 91 | 2.5K | 190 | 263 |
| 65 | Industrial Engineering | 47 | 2.5K | 288 | 182 |
| 66 | Nanostructures | 41 | 2.5K | 302 | 267 |
| 67 | Cancer | 58 | 2.5K | 613 | 658 |
| 68 | coal | 42 | 2.5K | 259 | 192 |
| 69 | Water | 28 | 2.4K | 719 | 525 |
| 70 | Solitons | 41 | 2.4K | 93 | 28 |
| 70 | Fractals | 41 | 2.4K | 94 | 28 |
| 70 | Chaos | 41 | 2.4K | 93 | 28 |
| 73 | Water pollution | 32 | 2.4K | 770 | 513 |
| 74 | Pharmaceutical Technology | 78 | 2.4K | 81 | 122 |
| 75 | Manufacturing Processes | 94 | 2.4K | 231 | 273 |
| 76 | drug evaluation | 52 | 2.4K | 80 | 39 |
| 77 | Semiconductors | 115 | 2.3K | 127 | 121 |
| 78 | mass transfer | 51 | 2.3K | 282 | 228 |
| 79 | Renewable Energy Sources | 45 | 2.2K | 461 | 658 |
| 80 | Environmental Policy | 31 | 2.2K | 865 | 629 |
| 81 | Heat Exchangers | 61 | 2.1K | 96 | 118 |
| 82 | System analysis | 59 | 2.1K | 335 | 245 |
| 83 | Environmental Microbiology | 24 | 2.1K | 324 | 238 |
| 84 | environmental protection | 61 | 2.1K | 511 | 604 |
| 85 | Surface-Active Agents | 44 | 2.1K | 76 | 65 |
| 85 | Surface properties | 44 | 2.1K | 83 | 70 |
| 87 | Electrochemical Analysis | 78 | 2.1K | 121 | 144 |
| 88 | Solar Energy | 45 | 2.0K | 205 | 184 |
| 89 | computer networks | 85 | 1.9K | 241 | 328 |
| 90 | energy conservation | 40 | 1.9K | 358 | 430 |
| 91 | Green Chemistry | 49 | 1.9K | 282 | 372 |
| 92 | Cell Biology | 48 | 1.9K | 894 | 1051 |
| 93 | Environmental Chemistry | 21 | 1.9K | 580 | 441 |
| 94 | Biosensors | 19 | 1.9K | 404 | 233 |
| 95 | Medical Laboratory Science | 24 | 1.9K | 593 | 391 |
| 96 | Public Policy | 47 | 1.8K | 272 | 232 |
| 97 | Pharmacognosy | 49 | 1.8K | 272 | 286 |
| 98 | Plastics | 106 | 1.8K | 58 | 143 |
| 99 | Signal Processing | 83 | 1.8K | 369 | 539 |
| 100 | Bioelectronics | 15 | 1.8K | 388 | 219 |
| 101 | plant molecular biology | 27 | 1.8K | 416 | 443 |
| 102 | Agricultural Chemistry | 30 | 1.7K | 535 | 373 |
| 102 | Ultrasonics | 31 | 1.7K | 225 | 139 |
| 104 | Sonochemistry | 29 | 1.7K | 53 | 50 |
| 105 | Telecommunication | 51 | 1.7K | 527 | 492 |
| 106 | Carbon | 19 | 1.7K | 411 | 292 |
| 107 | Drug delivery systems | 61 | 1.7K | 118 | 259 |
| 108 | Nervous system | 43 | 1.7K | 534 | 562 |
| 109 | Solid State Physics | 121 | 1.6K | 683 | 876 |
| 110 | Technology | 114 | 1.6K | 402 | 674 |
| 111 | Physiology | 41 | 1.6K | 1040 | 954 |
| 112 | Metals | 60 | 1.6K | 322 | 418 |
| 113 | Mechanical Engineering | 144 | 1.6K | 139 | 268 |
| 113 | Telecommunication Systems | 78 | 1.6K | 72 | 91 |
| 115 | Environmental Engineering | 42 | 1.6K | 823 | 840 |
| 116 | Nonlinear systems | 57 | 1.6K | 32 | 27 |
| 116 | Behavior | 9 | 1.6K | 1691 | 836 |
| 118 | Plant physiology | 25 | 1.6K | 702 | 568 |
| 119 | Energy Policy | 42 | 1.5K | 537 | 691 |
| 120 | Magnetic Materials | 38 | 1.5K | 295 | 226 |
| 121 | Energy Conversion | 29 | 1.5K | 301 | 409 |
| 122 | Biopharmaceutics | 16 | 1.5K | 359 | 138 |
| 123 | Spectrum analysis | 53 | 1.5K | 1076 | 1120 |
| 124 | Microbial Ecology | 13 | 1.5K | 982 | 637 |
| 125 | Solid State Chemistry | 82 | 1.5K | 343 | 423 |
| 126 | Nanoparticles | 58 | 1.4K | 209 | 344 |
| 127 | Systems Analysis | 41 | 1.4K | 101 | 64 |
| 128 | solar cells | 29 | 1.4K | 119 | 124 |
| 129 | human behavior | 6 | 1.4K | 1606 | 736 |
| 130 | Molecular Spectroscopy | 37 | 1.3K | 332 | 198 |
| 131 | Clinical Chemistry | 40 | 1.3K | 623 | 636 |
| 132 | Photochemistry | 31 | 1.3K | 350 | 254 |
| 133 | Sustainable Engineering | 34 | 1.3K | 306 | 361 |
| 134 | Photobiology | 29 | 1.3K | 201 | 129 |
| 135 | Allergy | 9 | 1.3K | 536 | 395 |
| 136 | Immunity | 7 | 1.3K | 969 | 639 |
| 137 | solar power | 22 | 1.3K | 143 | 117 |
| 138 | Industrial Microbiology | 24 | 1.3K | 505 | 465 |
| 139 | Photonics | 48 | 1.2K | 406 | 546 |
| 140 | Ceramic materials | 60 | 1.2K | 121 | 184 |
| 141 | Production Engineering | 55 | 1.2K | 297 | 284 |
| 142 | Optics | 70 | 1.2K | 939 | 930 |
| 143 | Clinical Biochemistry | 43 | 1.2K | 143 | 184 |
| 144 | Nonlinear functional analysis | 21 | 1.2K | 331 | 73 |
| 145 | food handling | 21 | 1.2K | 168 | 104 |
| 146 | free radicals | 27 | 1.2K | 317 | 420 |
| 147 | Food Microbiology | 24 | 1.2K | 279 | 286 |
| 148 | Molecular Pharmacology | 13 | 1.2K | 281 | 157 |
| 149 | drugs | 22 | 1.1K | 602 | 386 |
| 150 | Information Technology | 37 | 1.1K | 413 | 506 |
| 151 | natural products | 47 | 1.1K | 238 | 276 |
| 152 | Ceramics | 69 | 1.1K | 130 | 251 |
| 153 | Cardiovascular diseases | 32 | 1.1K | 393 | 344 |
| 154 | Communication | 12 | 1.1K | 990 | 505 |
| 155 | Biodegradation | 19 | 1.1K | 87 | 49 |
| 156 | Hematology | 76 | 1.0K | 444 | 665 |
| 157 | Quality Control | 14 | 1.0K | 592 | 262 |
| 158 | Aging | 27 | 995 | 772 | 686 |
| 159 | Metallurgy | 43 | 988 | 487 | 566 |
| 160 | fuel cells | 32 | 978 | 271 | 434 |
| 161 | Immunotherapy | 27 | 958 | 442 | 542 |
| 162 | Medicinal plants | 21 | 939 | 338 | 362 |
| 163 | Signal Transduction | 21 | 898 | 434 | 495 |
| 164 | Membranes | 10 | 897 | 938 | 635 |
| 165 | Immunopharmacology | 22 | 894 | 229 | 170 |
| 166 | cytokines | 21 | 887 | 277 | 281 |
| 167 | Plants | 26 | 885 | 587 | 688 |
| 168 | Intelligent Transportation Systems | 20 | 881 | 300 | 287 |
| 169 | Water Microbiology | 12 | 873 | 78 | 31 |
| 170 | Wireless Communication Systems | 48 | 866 | 483 | 630 |
| 171 | Fouling | 11 | 865 | 39 | 24 |
| 172 | Spine | 22 | 857 | 176 | 191 |
| 173 | Plant Genetics | 3 | 856 | 626 | 252 |
| 174 | catalytic activity | 26 | 847 | 107 | 147 |
| 175 | Diabetes | 29 | 843 | 540 | 666 |
| 176 | Medical Oncology | 13 | 835 | 650 | 510 |
| 177 | Genetics | 24 | 832 | 1103 | 1237 |
| 178 | Physical organic chemistry | 35 | 831 | 244 | 276 |
| 179 | Pathology | 22 | 827 | 662 | 648 |
| 180 | Electrical Engineering | 46 | 824 | 781 | 637 |
| 181 | infection | 4 | 807 | 1141 | 479 |
| 182 | textile fibers | 80 | 805 | 17 | 29 |
| 183 | Numerical Analysis | 31 | 789 | 678 | 494 |
| 184 | Engineering | 40 | 783 | 1082 | 1063 |
| 185 | Bacteriology | 11 | 752 | 859 | 714 |
| 186 | Diagnostic Imaging | 26 | 750 | 485 | 508 |
| 187 | biological factors | 27 | 746 | 474 | 510 |
| 188 | Metabolism | 32 | 738 | 689 | 938 |
| 189 | Virulence | 3 | 736 | 904 | 516 |
| 190 | Infections | 2 | 726 | 1083 | 405 |
| 191 | Organometallic compounds | 12 | 721 | 640 | 361 |
| 192 | Physical Chemistry | 48 | 707 | 460 | 754 |
| 193 | Plant Ecology | 38 | 704 | 403 | 692 |
| 194 | Immunology | 22 | 700 | 1030 | 1131 |
| 195 | Drug design | 13 | 695 | 614 | 421 |
| 196 | Drug targeting | 16 | 690 | 43 | 48 |
| 197 | Geriatrics | 23 | 684 | 875 | 809 |
| 198 | soil microbiology | 11 | 678 | 700 | 675 |
| 199 | drug therapy | 30 | 677 | 566 | 664 |
| 200 | Nanochemistry | 22 | 670 | 237 | 174 |
| 201 | Luminescence | 47 | 661 | 131 | 202 |
| 202 | Diabetes mellitus | 18 | 653 | 672 | 720 |
| 203 | Functional foods | 20 | 652 | 39 | 40 |
| 203 | Phytotherapy | 20 | 652 | 64 | 87 |
| 203 | Methodology | 37 | 652 | 14 | 31 |
| 206 | Mechatronics | 20 | 645 | 215 | 215 |
| 207 | Electrophoresis | 32 | 643 | 327 | 447 |
| 208 | Stem cells | 16 | 635 | 520 | 512 |
| 209 | Technological Innovations | 12 | 634 | 364 | 255 |
| 210 | Energy Storage | 34 | 632 | 213 | 426 |
| 211 | Diet | 10 | 624 | 929 | 825 |
| 212 | China | 32 | 623 | 687 | 727 |
| 213 | Structural Engineering | 44 | 620 | 337 | 532 |
| 214 | Fluid Mechanics | 15 | 619 | 648 | 460 |
| 215 | Herbal medicine | 15 | 616 | 185 | 188 |
| 216 | Ophthalmology | 30 | 615 | 503 | 611 |
| 217 | carcinogens | 5 | 612 | 642 | 318 |
| 218 | Cell death | 15 | 602 | 460 | 571 |
| 219 | Multimedia Systems | 32 | 601 | 360 | 403 |
| 220 | Economics | 31 | 594 | 1363 | 1309 |
| 221 | Electromagnetism | 9 | 593 | 560 | 257 |
| 221 | Gerontology | 13 | 593 | 836 | 494 |
| 223 | Plant Biotechnology | 48 | 584 | 50 | 214 |
| 224 | Asia | 50 | 582 | 341 | 556 |
| 225 | Bioinformatics | 17 | 579 | 752 | 724 |
| 225 | management | 20 | 579 | 1368 | 1484 |
| 227 | United States | 20 | 578 | 1786 | 1563 |
| 228 | miniaturization | 27 | 575 | 498 | 819 |
| 229 | Microstructure | 18 | 566 | 194 | 72 |
| 230 | city planning | 5 | 558 | 1195 | 502 |
| 231 | Carcinogenesis | 6 | 556 | 566 | 348 |
| 232 | Microfluidics | 13 | 552 | 39 | 35 |
| 233 | Antioxidants | 12 | 551 | 286 | 379 |
| 234 | Chemotherapy | 20 | 543 | 393 | 418 |
| 235 | lasers | 24 | 542 | 704 | 617 |
| 236 | Medical Microbiology | 6 | 537 | 1291 | 944 |
| 236 | Genomics | 32 | 537 | 796 | 1161 |
| 238 | Social Sciences | 18 | 535 | 1312 | 936 |
| 238 | Urban Policy | 2 | 535 | 1055 | 227 |
| 240 | Cell differentiation | 6 | 531 | 902 | 777 |
| 241 | rehabilitation | 13 | 530 | 907 | 751 |
| 242 | Molecular structure | 26 | 527 | 713 | 806 |
| 243 | mutagens | 4 | 523 | 565 | 322 |
| 244 | Urology | 17 | 517 | 586 | 557 |
| 244 | Oxidation-reduction | 13 | 517 | 287 | 462 |
| 246 | Oncology | 13 | 512 | 837 | 1134 |
| 247 | internet | 18 | 511 | 525 | 568 |
| 248 | Neurotoxicology | 14 | 507 | 127 | 160 |
| 249 | Microelectronics | 29 | 496 | 492 | 787 |
| 250 | Quantum electronics | 20 | 495 | 556 | 466 |
| 251 | Computer-Aided Design | 15 | 486 | 435 | 364 |
| 252 | Horticulture | 33 | 479 | 96 | 142 |
| 253 | Microbial Biotechnology | 11 | 474 | 313 | 249 |
| 254 | Insects | 69 | 468 | 107 | 425 |
| 255 | Genetic engineering | 9 | 466 | 1077 | 883 |
| 256 | dietary supplements | 5 | 462 | 592 | 241 |
| 257 | Metabolic diseases | 7 | 459 | 1170 | 1001 |
| 258 | Computer Engineering | 10 | 452 | 370 | 154 |
| 259 | Endocrinology | 13 | 451 | 1193 | 1257 |
| 260 | Japan | 24 | 449 | 414 | 394 |
| 260 | biological evolution | 3 | 449 | 1782 | 1028 |
| 260 | Natural history | 7 | 449 | 1939 | 2288 |
| 263 | Entomology | 68 | 448 | 318 | 693 |
| 264 | Chromatographic analysis | 29 | 443 | 443 | 567 |
| 265 | Computer Vision | 16 | 433 | 404 | 550 |
| 266 | Clinical Immunology | 4 | 432 | 771 | 453 |
| 266 | Liver diseases | 13 | 432 | 574 | 701 |
| 268 | Internet of Things | 19 | 430 | 338 | 493 |
| 268 | supercritical fluids | 7 | 430 | 230 | 149 |
| 268 | enzymes | 17 | 430 | 552 | 641 |
| 271 | libraries | 9 | 426 | 246 | 104 |
| 272 | Environmental pollutants | 6 | 420 | 1557 | 1058 |
| 273 | Histology | 8 | 417 | 1047 | 809 |
| 273 | Plant diseases | 12 | 417 | 940 | 754 |
| 275 | Psychiatry | 16 | 416 | 1608 | 1653 |
| 275 | Radio | 10 | 416 | 740 | 652 |
| 277 | Tribology | 16 | 415 | 433 | 410 |
| 278 | Glass | 23 | 411 | 287 | 410 |
| 278 | pottery | 22 | 411 | 287 | 404 |
| 280 | pharmaceutical industry | 21 | 410 | 68 | 108 |
| 281 | Image Processing | 11 | 408 | 1189 | 1034 |
| 282 | Robotics | 28 | 407 | 465 | 712 |
| 283 | pollutants | 4 | 403 | 1563 | 921 |
| 284 | Physical Therapy | 6 | 401 | 825 | 567 |
| 285 | particles | 14 | 400 | 304 | 266 |
| 286 | Building Materials | 6 | 398 | 1264 | 1061 |
| 287 | Human-Computer Interaction | 19 | 396 | 434 | 611 |
| 288 | Liquid Crystals | 121 | 395 | 32 | 158 |
| 289 | cell interaction | 11 | 394 | 459 | 515 |
| 290 | Computer Graphics | 12 | 390 | 808 | 687 |
| 290 | Oncogenes | 6 | 390 | 652 | 678 |
| 290 | Radio waves | 7 | 390 | 537 | 421 |
| 293 | Breeding | 7 | 388 | 718 | 497 |
| 294 | Political Science | 2 | 387 | 1875 | 588 |
| 295 | Granular materials | 11 | 386 | 181 | 155 |
| 296 | clay | 4 | 384 | 684 | 378 |
| 297 | Public Health | 18 | 383 | 1909 | 2078 |
| 298 | Psychology | 20 | 380 | 1856 | 1899 |
| 298 | finance | 12 | 380 | 1197 | 957 |
| 300 | Zeolites | 8 | 379 | 517 | 437 |
| 301 | Ecological Engineering | 3 | 376 | 646 | 280 |
| 302 | Obesity | 14 | 372 | 760 | 937 |
| 303 | Process Control | 9 | 371 | 479 | 607 |
| 304 | Data Mining | 14 | 368 | 575 | 698 |
| 304 | Access to Information | 14 | 368 | 9 | 77 |
| 304 | big data | 14 | 368 | 100 | 158 |
| 304 | Information dissemination | 14 | 368 | 9 | 77 |
| 308 | Human genetics | 4 | 367 | 1213 | 1393 |
| 308 | Digestive system diseases | 18 | 367 | 311 | 386 |
| 310 | Developmental Immunology | 1 | 365 | 919 | 251 |
| 311 | Bioremediation | 9 | 363 | 321 | 296 |
| 312 | Health Information Management | 5 | 357 | 169 | 288 |
| 313 | cell physiology | 7 | 354 | 856 | 832 |
| 314 | Quantum Optics | 5 | 337 | 689 | 305 |
| 314 | Atomic spectroscopy | 5 | 337 | 863 | 432 |
| 314 | Laser Spectroscopy | 5 | 337 | 637 | 273 |
| 317 | bioluminescence | 31 | 334 | 11 | 28 |
| 318 | Genetic therapy | 8 | 333 | 545 | 524 |
| 319 | Tissue Engineering | 14 | 330 | 67 | 133 |
| 319 | Combustion | 13 | 330 | 546 | 606 |
| 321 | Statistics | 35 | 328 | 780 | 991 |
| 322 | Animal genetics | 9 | 324 | 288 | 235 |
| 323 | Brain | 10 | 323 | 1340 | 1318 |
| 324 | Microorganisms | 4 | 322 | 816 | 650 |
| 325 | East Asia | 31 | 320 | 52 | 84 |
| 326 | International Finance | 4 | 311 | 1471 | 837 |
| 327 | Waste management | 15 | 308 | 477 | 519 |
| 327 | Plant cells | 1 | 308 | 1302 | 889 |
| 329 | Engineering Geology | 2 | 307 | 1496 | 731 |
| 329 | Chromatography | 17 | 307 | 573 | 649 |
| 331 | natural gas | 8 | 302 | 162 | 152 |
| 332 | Materials Engineering | 6 | 300 | 439 | 145 |
| 332 | Water quality management | 13 | 300 | 768 | 742 |
| 332 | Korea | 63 | 300 | 20 | 41 |
| 335 | United Kingdom | 4 | 296 | 1129 | 772 |
| 335 | Brain damage | 19 | 296 | 72 | 166 |
| 337 | pigments | 18 | 295 | 224 | 361 |
| 338 | Cell metabolism | 2 | 294 | 737 | 590 |
| 339 | Water Purification | 12 | 292 | 464 | 431 |
| 340 | Homeostasis | 1 | 291 | 583 | 536 |
| 340 | Psychophysiology | 13 | 291 | 1272 | 1491 |
| 342 | Medical innovations | 6 | 289 | 544 | 721 |
| 343 | Nuclear Medicine | 17 | 288 | 322 | 426 |
| 343 | Alternative Medicine | 12 | 288 | 571 | 697 |
| 343 | Molecular Imaging | 17 | 288 | 188 | 333 |
| 346 | Psycholinguistics | 13 | 287 | 411 | 540 |
| 347 | Chromosome mapping | 10 | 286 | 828 | 978 |
| 347 | gene mapping | 10 | 286 | 903 | 1091 |
| 349 | Detectors | 10 | 284 | 790 | 695 |
| 350 | Information Systems | 7 | 281 | 860 | 644 |
| 351 | Orthopedics | 14 | 276 | 593 | 668 |
| 351 | gene therapy | 7 | 276 | 561 | 593 |
| 353 | Europe | 10 | 275 | 1514 | 1261 |
| 354 | Chemical industry | 22 | 274 | 343 | 472 |
| 355 | Chemical processes | 6 | 273 | 351 | 196 |
| 356 | Parenteral nutrition | 7 | 272 | 533 | 553 |
| 357 | Entropy | 13 | 271 | 385 | 336 |
| 358 | Enzyme inhibitors | 8 | 268 | 165 | 144 |
| 358 | Molecular evolution | 11 | 268 | 670 | 901 |
| 360 | Sustainable Development | 12 | 267 | 865 | 1192 |
| 360 | Evolution | 1 | 267 | 2307 | 1056 |
| 362 | Civil Engineering | 20 | 264 | 468 | 419 |
| 362 | synthesis | 23 | 264 | 189 | 292 |
| 364 | Evolutionary Genetics | 1 | 260 | 1130 | 248 |
| 364 | Architectural Design | 27 | 260 | 50 | 116 |
| 364 | Molecular Epidemiology | 1 | 260 | 1130 | 248 |
| 367 | Wireless Communication | 9 | 259 | 160 | 77 |
| 367 | Genetic regulation | 2 | 259 | 1100 | 654 |
| 369 | nucleic acids | 3 | 258 | 1324 | 1037 |
| 370 | sanitation | 3 | 257 | 1283 | 1181 |
| 370 | Metallography | 13 | 257 | 305 | 399 |
| 370 | vascular diseases | 8 | 257 | 362 | 438 |
| 373 | cloning | 1 | 256 | 784 | 458 |
| 374 | Political Parties | 1 | 255 | 367 | 92 |
| 375 | Neurochemistry | 8 | 252 | 1318 | 1307 |
| 375 | Inflammation | 4 | 252 | 887 | 739 |
| 377 | drug development | 7 | 249 | 492 | 698 |
| 378 | mathematical analysis | 25 | 244 | 958 | 1083 |
| 379 | Regenerative Medicine | 12 | 242 | 27 | 30 |
| 380 | complementary therapies | 9 | 238 | 805 | 819 |
| 381 | Medical genetics | 5 | 236 | 1382 | 1376 |
| 382 | Neurosurgery | 12 | 235 | 424 | 549 |
| 383 | environmental exposure | 8 | 233 | 1105 | 1222 |
| 384 | Environmental Toxicology | 7 | 232 | 1537 | 1612 |
| 384 | Leukemia | 5 | 232 | 596 | 593 |
| 386 | Measurement | 8 | 230 | 784 | 672 |
| 387 | Radiation effects | 6 | 225 | 366 | 401 |
| 388 | Condensed Matter | 28 | 223 | 1178 | 1699 |
| 389 | Neurophysiology | 14 | 222 | 1223 | 1644 |
| 390 | Library Science | 8 | 221 | 491 | 221 |
| 391 | Tourism | 5 | 220 | 1311 | 1222 |
| 391 | foreign exchange | 2 | 220 | 444 | 234 |
| 393 | Enzyme | 8 | 218 | 236 | 372 |
| 394 | Randomized Controlled Trials | 11 | 216 | 430 | 375 |
| 395 | Calorimetry | 16 | 210 | 369 | 548 |
| 395 | Kidney diseases | 14 | 210 | 313 | 516 |
| 395 | Thermal analysis | 16 | 210 | 369 | 548 |
| 398 | Cardiovascular system | 20 | 208 | 469 | 1026 |
| 399 | Computer Science | 23 | 202 | 559 | 958 |
| 399 | Combinatorial chemistry | 6 | 202 | 456 | 552 |
| 399 | vitamin C | 6 | 202 | 214 | 280 |
| 399 | vitamin E | 6 | 202 | 214 | 280 |
| 403 | Cognition | 6 | 200 | 1174 | 1050 |
| 404 | epilepsy | 2 | 199 | 971 | 486 |
| 404 | micromechanics | 13 | 199 | 206 | 345 |
| 404 | Enteral nutrition | 6 | 199 | 489 | 563 |
| 407 | Cognitive Science | 8 | 196 | 898 | 1077 |
| 407 | Adaptive control systems | 17 | 196 | 132 | 225 |
| 409 | Pharmacokinetics | 7 | 193 | 463 | 559 |
| 410 | Medical Technology | 8 | 192 | 847 | 921 |
| 411 | Graph Theory | 19 | 191 | 201 | 267 |
| 412 | food contamination | 10 | 188 | 372 | 451 |
| 413 | Pediatric Neurology | 7 | 187 | 528 | 744 |
| 413 | Sexual health | 10 | 187 | 290 | 352 |
| 415 | Oxidative stress | 8 | 185 | 423 | 861 |
| 416 | Gastrointestinal diseases | 7 | 184 | 345 | 293 |
| 417 | Combinatorial analysis | 30 | 183 | 214 | 385 |
| 418 | Oral Medicine | 4 | 182 | 655 | 296 |
| 418 | Molecular Genetics | 2 | 182 | 1762 | 1324 |
| 418 | Phylogeny | 2 | 182 | 1006 | 716 |
| 421 | Finite Element Method | 6 | 179 | 193 | 154 |
| 421 | Fungi | 11 | 179 | 473 | 792 |
| 423 | Economic History | 18 | 178 | 1319 | 1679 |
| 423 | Child | 14 | 178 | 957 | 1337 |
| 425 | Food Safety | 9 | 177 | 54 | 95 |
| 425 | Genes | 21 | 177 | 275 | 658 |
| 427 | Bioinorganic chemistry | 10 | 175 | 788 | 941 |
| 428 | Analytical Biochemistry | 6 | 173 | 1178 | 1063 |
| 428 | Food additives | 10 | 173 | 496 | 916 |
| 430 | Education | 12 | 172 | 1806 | 1916 |
| 430 | Statistical physics | 19 | 172 | 1464 | 2017 |
| 432 | Greenhouse gases | 4 | 171 | 216 | 249 |
| 433 | Egypt | 3 | 170 | 539 | 329 |
| 434 | Environmental Law | 2 | 169 | 1178 | 1058 |
| 435 | Health | 3 | 167 | 1887 | 1263 |
| 435 | Communication in medicine | 3 | 167 | 513 | 321 |
| 437 | economic policy | 13 | 166 | 1123 | 1197 |
| 438 | Surgery | 5 | 165 | 975 | 1044 |
| 439 | Developmental Biology | 6 | 163 | 1215 | 1418 |
| 440 | Biofeedback | 3 | 161 | 86 | 65 |
| 440 | behavior therapy | 3 | 161 | 775 | 570 |
| 442 | biofuels | 2 | 160 | 317 | 333 |
| 442 | India | 14 | 160 | 418 | 379 |
| 444 | machinery | 8 | 159 | 430 | 440 |
| 445 | Environmental Geochemistry | 13 | 158 | 92 | 275 |
| 445 | Minerals | 13 | 158 | 214 | 479 |
| 447 | Sociology | 8 | 157 | 1802 | 1828 |
| 447 | vibration | 7 | 157 | 764 | 813 |
| 449 | Fracture mechanics | 9 | 155 | 809 | 948 |
| 450 | Foodborne diseases | 7 | 152 | 91 | 129 |
| 451 | Dermatology | 5 | 151 | 1091 | 966 |
| 451 | marketing | 14 | 151 | 904 | 1505 |
| 451 | Therapeutics | 6 | 151 | 980 | 1107 |
| 451 | Fuzzy systems | 15 | 151 | 581 | 851 |
| 455 | Aquaculture | 2 | 150 | 1562 | 969 |
| 455 | proteins | 11 | 150 | 960 | 1301 |
| 457 | stem cell transplantation | 11 | 149 | 25 | 19 |
| 458 | silicon | 15 | 148 | 63 | 119 |
| 459 | Social Change | 5 | 147 | 765 | 1097 |
| 460 | Fiber Optics | 4 | 145 | 789 | 616 |
| 461 | electric vehicles | 3 | 144 | 306 | 233 |
| 462 | Mobile Computing | 8 | 143 | 639 | 755 |
| 463 | Nanoelectronics | 10 | 142 | 379 | 379 |
| 464 | Climatology | 5 | 141 | 1285 | 1320 |
| 464 | Cellulose | 7 | 141 | 319 | 497 |
| 466 | Metallic Glasses | 4 | 140 | 372 | 328 |
| 467 | glycoproteins | 2 | 138 | 511 | 353 |
| 467 | Glycoconjugates | 2 | 138 | 511 | 353 |
| 467 | Oligosaccharide | 2 | 138 | 340 | 283 |
| 467 | Carbohydrates | 2 | 138 | 512 | 354 |
| 467 | Semiconductor industry | 9 | 138 | 289 | 303 |
| 467 | glycolipids | 2 | 138 | 511 | 353 |
| 473 | Computational Linguistics | 4 | 137 | 438 | 179 |
| 473 | Mechanics | 5 | 137 | 1037 | 773 |
| 475 | Mental Disorders | 3 | 135 | 2158 | 1852 |
| 476 | Music Therapy | 11 | 134 | 55 | 93 |
| 476 | Art Therapy | 11 | 134 | 46 | 82 |
| 476 | Dance therapy | 11 | 134 | 36 | 61 |
| 479 | Nephrology | 4 | 133 | 383 | 479 |
| 479 | Algebra | 23 | 133 | 531 | 675 |
| 479 | Solar power plants | 7 | 133 | 81 | 155 |
| 479 | Photovoltaic Cells | 7 | 133 | 81 | 155 |
| 483 | Plant tissue culture | 4 | 132 | 587 | 552 |
| 483 | concrete | 5 | 132 | 736 | 956 |
| 483 | Plant cell culture | 4 | 132 | 519 | 548 |
| 486 | Emergency Medicine | 7 | 129 | 755 | 728 |
| 486 | Smart Materials | 5 | 129 | 705 | 666 |
| 488 | Microwaves | 13 | 124 | 655 | 815 |
| 489 | Marine Biology | 7 | 123 | 1569 | 1890 |
| 489 | Cytogenetics | 3 | 123 | 1108 | 1120 |
| 489 | Mass Media | 6 | 123 | 546 | 328 |
| 492 | Bibliometrics | 2 | 122 | 180 | 135 |
| 493 | Health Education | 2 | 121 | 1906 | 1225 |
| 493 | Health promotion | 2 | 121 | 1227 | 751 |
| 493 | health services | 2 | 121 | 1166 | 707 |
| 493 | carbon monoxide | 4 | 121 | 261 | 372 |
| 497 | Mycology | 13 | 120 | 689 | 1214 |
| 498 | hydrocolloids | 2 | 119 | 750 | 798 |
| 498 | hygiene | 4 | 119 | 405 | 383 |
| 500 | Investment analysis | 5 | 118 | 699 | 702 |
| 501 | Critical Care | 3 | 117 | 1065 | 1145 |
| 501 | Critical Care Medicine | 3 | 117 | 1021 | 1123 |
| 503 | Adhesion | 5 | 115 | 505 | 473 |
| 503 | Intelligent Control Systems | 14 | 115 | 363 | 529 |
| 503 | adhesives | 5 | 115 | 539 | 478 |
| 506 | Structural dynamics | 4 | 114 | 827 | 958 |
| 506 | Computational Biology | 7 | 114 | 1480 | 1836 |
| 506 | Mountains | 8 | 114 | 148 | 170 |
| 506 | freshwater biology | 3 | 114 | 895 | 739 |
| 510 | Econometrics | 6 | 113 | 982 | 902 |
| 510 | Food service management | 4 | 113 | 332 | 560 |
| 512 | Hormones | 3 | 112 | 1054 | 1030 |
| 512 | food industry | 11 | 112 | 242 | 488 |
| 514 | Neurogenetics | 1 | 110 | 524 | 227 |
| 514 | Investments | 5 | 110 | 325 | 275 |
| 516 | Sociolinguistics | 1 | 109 | 780 | 322 |
| 516 | personality | 10 | 109 | 788 | 1407 |
| 518 | Social History | 2 | 107 | 659 | 226 |
| 519 | Nanobiotechnology | 5 | 106 | 261 | 583 |
| 519 | Ferroelectricity | 17 | 106 | 374 | 567 |
| 519 | Social policy | 3 | 106 | 1024 | 696 |
| 522 | Oceanography | 1 | 105 | 2020 | 1330 |
| 522 | Neurobiology | 3 | 105 | 1334 | 1401 |
| 524 | Zoology | 17 | 103 | 1045 | 1643 |
| 525 | families | 4 | 102 | 753 | 607 |
| 526 | Optoelectronic devices | 14 | 101 | 309 | 535 |
| 526 | energy resources | 4 | 101 | 1132 | 1651 |
| 528 | Hydrometeorology | 2 | 99 | 235 | 268 |
| 528 | Microprocessors | 9 | 99 | 291 | 413 |
| 528 | Lipids | 5 | 99 | 917 | 1207 |
| 531 | Clinical Pharmacology | 8 | 98 | 702 | 989 |
| 531 | Comparative Education | 1 | 98 | 473 | 116 |
| 531 | Molecular cloning | 4 | 98 | 1153 | 1170 |
| 531 | Genetic recombination | 4 | 98 | 1130 | 1159 |
| 531 | Ocean Engineering | 4 | 98 | 1378 | 1455 |
| 531 | Family | 3 | 98 | 945 | 773 |
| 531 | Recombinant DNA | 4 | 98 | 1193 | 1216 |
| 531 | Catalysts | 3 | 98 | 702 | 598 |
| 539 | Medical Physics | 8 | 96 | 881 | 1281 |
| 539 | Sarcopenia | 3 | 96 | 346 | 500 |
| 539 | Longevity | 5 | 96 | 81 | 173 |
| 539 | rejuvenation | 5 | 96 | 56 | 145 |
| 539 | Muscles | 3 | 96 | 697 | 790 |
| 544 | Agricultural Ecology | 2 | 95 | 1149 | 1109 |
| 545 | Early Childhood Education | 3 | 94 | 610 | 456 |
| 545 | Structural design | 2 | 94 | 1047 | 712 |
| 545 | Pesticides | 3 | 94 | 636 | 501 |
| 545 | Biomass | 5 | 94 | 471 | 833 |
| 549 | Mathematical Physics | 13 | 93 | 1500 | 1942 |
| 549 | Sustainable agriculture | 2 | 93 | 883 | 660 |
| 551 | Cardiovascular Pharmacology | 2 | 92 | 315 | 243 |
| 551 | Biomechanics | 9 | 92 | 677 | 1133 |
| 551 | Information management | 5 | 92 | 27 | 64 |
| 551 | Economic planning | 3 | 92 | 509 | 487 |
| 555 | Integrated Circuits | 15 | 91 | 257 | 375 |
| 555 | Antibodies | 2 | 91 | 598 | 474 |
| 555 | Antigens | 2 | 91 | 769 | 603 |
| 555 | planning | 2 | 91 | 972 | 592 |
| 559 | Capital market | 1 | 90 | 815 | 459 |
| 560 | Agronomy | 1 | 89 | 732 | 553 |
| 560 | Mutagenesis | 1 | 89 | 794 | 319 |
| 560 | Energy Harvesting | 1 | 89 | 653 | 658 |
| 560 | teratogenic agents | 1 | 89 | 482 | 117 |
| 560 | Textile industry | 11 | 89 | 193 | 293 |
| 565 | Bioenergetics | 2 | 88 | 955 | 879 |
| 565 | Nondestructive testing | 2 | 88 | 826 | 565 |
| 565 | Fluid Dynamics | 6 | 88 | 758 | 933 |
| 565 | Mass Spectrometry | 5 | 88 | 847 | 925 |
| 565 | industrial waste | 2 | 88 | 1047 | 1258 |
| 565 | Hazardous waste | 2 | 88 | 1167 | 1322 |
| 571 | Earthquake Engineering | 2 | 86 | 1429 | 1261 |
| 572 | Matroids | 7 | 85 | 143 | 212 |
| 572 | radioactive waste | 1 | 85 | 1329 | 1268 |
| 572 | Microscopy | 10 | 85 | 671 | 1043 |
| 575 | Bones | 1 | 84 | 954 | 781 |
| 576 | Pediatric Hematology | 6 | 83 | 215 | 204 |
| 576 | Health Policy | 5 | 83 | 1430 | 1631 |
| 576 | Computational Complexity | 5 | 83 | 800 | 759 |
| 576 | Memory | 3 | 83 | 1358 | 1406 |
| 580 | plasticity | 1 | 82 | 523 | 484 |
| 580 | Harmonic Analysis | 4 | 82 | 124 | 181 |
| 582 | Nonlinear Dynamics | 7 | 81 | 1284 | 1593 |
| 582 | Agriculture | 3 | 81 | 1963 | 1800 |
| 584 | Molecular Microbiology | 2 | 80 | 872 | 990 |
| 585 | Ubiquitous computing | 5 | 79 | 144 | 112 |
| 586 | Hydrology | 8 | 78 | 1412 | 2061 |
| 586 | Product Design | 3 | 78 | 522 | 394 |
| 586 | Flexible electronics | 1 | 78 | 167 | 154 |
| 586 | Mortgages | 1 | 78 | 382 | 208 |
| 586 | Host-parasite interactions | 3 | 78 | 1045 | 1318 |
| 591 | Radiation Oncology | 3 | 77 | 317 | 339 |
| 592 | Fishery management | 1 | 76 | 1195 | 714 |
| 592 | Diagnostic microbiology | 1 | 76 | 1221 | 1223 |
| 594 | Linguistics | 3 | 75 | 1301 | 1016 |
| 594 | Orthopedic Surgery | 4 | 75 | 590 | 638 |
| 594 | Neurotransmitters | 1 | 75 | 769 | 433 |
| 594 | Tropical Medicine | 3 | 75 | 1573 | 1432 |
| 598 | Psychoneuroimmunology | 1 | 74 | 857 | 782 |
| 598 | Neuroimmunology | 1 | 74 | 954 | 846 |
| 600 | aromatic plants | 5 | 73 | 146 | 123 |
| 601 | Information Theory | 1 | 72 | 1889 | 1261 |
| 601 | Plant Morphology | 2 | 72 | 750 | 581 |
| 601 | Virology | 3 | 72 | 2105 | 2391 |
| 601 | Intelligence | 1 | 72 | 432 | 302 |
| 601 | Animal welfare | 4 | 72 | 187 | 293 |
| 601 | Visual Perception | 2 | 72 | 1448 | 1274 |
| 601 | Attention | 2 | 72 | 1498 | 1326 |
| 601 | Perception | 2 | 72 | 1616 | 1419 |
| 609 | Sleep Disorders | 3 | 71 | 1236 | 1223 |
| 609 | Futures | 3 | 71 | 296 | 297 |
| 609 | Reading | 4 | 71 | 506 | 594 |
| 609 | Respiration | 4 | 71 | 1079 | 1352 |
| 609 | Sleep | 3 | 71 | 1261 | 1238 |
| 614 | Dentistry | 6 | 70 | 486 | 517 |
| 614 | Telecommunications | 5 | 70 | 556 | 676 |
| 614 | Plant hormones | 2 | 70 | 394 | 422 |
| 614 | Biodiversity | 7 | 70 | 1382 | 2005 |
| 618 | mycoses | 3 | 69 | 685 | 919 |
| 619 | Neuropsychology | 6 | 68 | 1470 | 2036 |
| 619 | Endocrine glands | 1 | 68 | 411 | 452 |
| 619 | Business | 4 | 68 | 1897 | 2339 |
| 619 | blood transfusion | 2 | 68 | 598 | 472 |
| 619 | Chemical analysis | 5 | 68 | 843 | 1203 |
| 624 | Operations Research | 9 | 67 | 1334 | 1978 |
| 624 | Aerosols | 6 | 67 | 347 | 521 |
| 624 | Proteome | 5 | 67 | 770 | 1180 |
| 624 | Porous materials | 8 | 67 | 367 | 686 |
| 628 | Animal health | 2 | 66 | 595 | 370 |
| 629 | Heterocyclic chemistry | 7 | 65 | 246 | 332 |
| 629 | Transportation | 3 | 65 | 1549 | 1586 |
| 629 | Crystallography | 18 | 65 | 665 | 1008 |
| 629 | protein | 3 | 65 | 1087 | 1135 |
| 629 | mammals | 1 | 65 | 1391 | 893 |
| 634 | Hypertension | 12 | 64 | 647 | 1386 |
| 634 | Simulation Methods | 4 | 64 | 873 | 1045 |
| 634 | Freezing | 3 | 64 | 283 | 228 |
| 637 | Superconductors | 17 | 63 | 354 | 714 |
| 637 | X-ray crystallography | 17 | 63 | 169 | 436 |
| 637 | North America | 2 | 63 | 978 | 727 |
| 637 | Cement | 1 | 63 | 867 | 841 |
| 641 | Public Administration | 9 | 62 | 754 | 1170 |
| 641 | Drug delivery devices | 2 | 62 | 316 | 470 |
| 641 | Family Therapy | 1 | 62 | 1157 | 696 |
| 641 | child mental health | 1 | 62 | 790 | 487 |
| 645 | Radiobiology | 3 | 61 | 1007 | 1121 |
| 645 | Vaccines | 4 | 61 | 1217 | 1544 |
| 647 | Humanities | 9 | 60 | 950 | 1456 |
| 647 | Pharmacogenetics | 2 | 60 | 942 | 945 |
| 649 | Social Psychology | 8 | 59 | 1313 | 2232 |
| 650 | water reuse | 1 | 58 | 688 | 480 |
| 651 | Andrology | 2 | 57 | 654 | 622 |
| 651 | Microbial Genetics | 4 | 57 | 260 | 460 |
| 651 | Raman spectroscopy | 5 | 57 | 594 | 916 |
| 651 | Globalization | 2 | 57 | 742 | 653 |
| 651 | Infrared spectroscopy | 5 | 57 | 173 | 416 |
| 651 | Androgens | 2 | 57 | 265 | 321 |
| 651 | biological agents | 11 | 57 | 237 | 284 |
| 658 | Meteorology | 1 | 56 | 2609 | 2217 |
| 659 | Atherosclerosis | 1 | 55 | 269 | 239 |
| 659 | Liquid chromatography | 3 | 55 | 509 | 379 |
| 661 | commerce | 8 | 54 | 910 | 1691 |
| 662 | bioclimatology | 3 | 53 | 938 | 1157 |
| 662 | Climate | 3 | 53 | 547 | 803 |
| 662 | weather | 3 | 53 | 536 | 771 |
| 662 | aerosol | 4 | 53 | 320 | 434 |
| 666 | Dynamics | 3 | 51 | 1649 | 1478 |
| 666 | Telemedicine | 1 | 51 | 629 | 469 |
| 666 | Neuroendocrinology | 1 | 51 | 243 | 325 |
| 666 | Asymmetric synthesis | 5 | 51 | 37 | 81 |
| 666 | Biometrics | 2 | 51 | 1076 | 966 |
| 666 | Light | 2 | 51 | 997 | 1154 |
| 666 | Social behavior | 7 | 51 | 725 | 1316 |
| 666 | probabilities | 4 | 51 | 1168 | 1042 |
| 666 | packaging | 1 | 51 | 257 | 171 |
| 675 | occupational diseases | 6 | 50 | 455 | 977 |
| 676 | Epidemiology | 4 | 49 | 2490 | 3113 |
| 676 | Mineralogy | 4 | 49 | 1080 | 1309 |
| 676 | Flexible manufacturing systems | 4 | 49 | 297 | 609 |
| 676 | Technology Assessment | 1 | 49 | 853 | 828 |
| 676 | Business Ethics | 2 | 49 | 1190 | 1550 |
| 681 | Proteomics | 3 | 47 | 955 | 1295 |
| 681 | Nuclear Physics | 13 | 47 | 2182 | 3259 |
| 681 | air quality management | 1 | 47 | 951 | 772 |
| 681 | Plant genetic engineering | 3 | 47 | 818 | 1158 |
| 681 | phytopathogenic bacteria | 2 | 47 | 287 | 423 |
| 681 | Industry | 2 | 47 | 248 | 570 |
| 687 | Health Services Research | 2 | 46 | 1629 | 1575 |
| 687 | Soil biology | 1 | 46 | 1237 | 1281 |
| 689 | Structural optimization | 2 | 45 | 431 | 499 |
| 689 | Microfabrication | 3 | 45 | 345 | 430 |
| 689 | Lipid metabolism | 2 | 45 | 503 | 673 |
| 689 | Lipid | 2 | 45 | 505 | 675 |
| 693 | Radiology | 5 | 44 | 911 | 1175 |
| 693 | Environmental Geology | 2 | 44 | 1846 | 1972 |
| 693 | Educational Technology | 3 | 44 | 1654 | 2030 |
| 693 | Smoking | 2 | 44 | 815 | 963 |
| 693 | sustainability | 2 | 44 | 1083 | 1322 |
| 693 | Lightweight concrete | 1 | 44 | 703 | 871 |
| 693 | scientific societies | 4 | 44 | 552 | 903 |
| 700 | preimplantation genetic diagnosis | 1 | 43 | 655 | 557 |
| 700 | embryo transfer | 1 | 43 | 669 | 565 |
| 700 | Autoimmunity | 1 | 43 | 891 | 931 |
| 700 | Central Asia | 3 | 43 | 139 | 245 |
| 700 | tomography | 4 | 43 | 294 | 371 |
| 705 | hazard mitigation | 3 | 42 | 935 | 1346 |
| 705 | Tunneling | 1 | 42 | 532 | 561 |
| 705 | underground construction | 1 | 42 | 532 | 561 |
| 705 | Women's health | 3 | 42 | 1163 | 1418 |
| 705 | antibiotics | 3 | 42 | 197 | 358 |
| 705 | natural disasters | 3 | 42 | 1263 | 1714 |
| 711 | Archaeology | 3 | 41 | 1219 | 1230 |
| 711 | Agricultural Engineering | 1 | 41 | 764 | 664 |
| 711 | Child Development | 2 | 41 | 1852 | 2038 |
| 711 | Bacterial infections | 1 | 41 | 1140 | 1145 |
| 711 | toxicity testing | 3 | 41 | 578 | 939 |
| 716 | Nuclear Engineering | 8 | 40 | 877 | 1374 |
| 716 | Food Science | 1 | 40 | 465 | 236 |
| 716 | Nuclear Energy | 8 | 40 | 532 | 974 |
| 716 | Hematopoietic stem cell transplantation | 1 | 40 | 634 | 647 |
| 716 | Corporate Social Responsibility | 1 | 40 | 646 | 784 |
| 716 | Computational Fluid Dynamics | 2 | 40 | 782 | 845 |
| 716 | environmental auditing | 1 | 40 | 668 | 792 |
| 716 | Strategic planning | 1 | 40 | 1268 | 1066 |
| 716 | Probiotics | 1 | 40 | 427 | 375 |
| 716 | Africa | 4 | 40 | 1291 | 1413 |
| 716 | Decision making | 1 | 40 | 2205 | 1777 |
| 727 | Project Management | 2 | 39 | 348 | 645 |
| 727 | Integrative Medicine | 1 | 39 | 533 | 272 |
| 727 | Radiotherapy | 1 | 39 | 417 | 234 |
| 727 | Neurons | 1 | 39 | 740 | 1014 |
| 727 | arthritis | 1 | 39 | 1192 | 1269 |
| 732 | Educational Psychology | 3 | 38 | 1345 | 1658 |
| 732 | Plant breeding | 5 | 38 | 524 | 985 |
| 732 | visualization | 7 | 38 | 852 | 1059 |
| 732 | livestock | 5 | 38 | 372 | 591 |
| 736 | Global Health | 2 | 37 | 1244 | 1266 |
| 736 | Food Policy | 1 | 37 | 540 | 580 |
| 736 | Crystallization | 16 | 37 | 121 | 487 |
| 736 | Climate change | 2 | 37 | 1084 | 1615 |
| 736 | agricultural policy | 1 | 37 | 416 | 496 |
| 736 | Edible plants | 2 | 37 | 286 | 496 |
| 736 | consumers | 2 | 37 | 487 | 619 |
| 736 | Mitochondrial DNA | 4 | 37 | 130 | 148 |
| 736 | cardiac catheterization | 2 | 37 | 633 | 586 |
| 736 | crops | 1 | 37 | 267 | 179 |
| 736 | Sales Promotion | 2 | 37 | 120 | 153 |
| 736 | pain | 6 | 37 | 796 | 1461 |
| 736 | world | 1 | 37 | 1120 | 1223 |
| 749 | Engineering Mathematics | 5 | 36 | 1515 | 1930 |
| 749 | Optoelectronics | 2 | 36 | 675 | 515 |
| 749 | investigative techniques | 2 | 36 | 170 | 376 |
| 752 | Language Disorders | 4 | 35 | 702 | 977 |
| 752 | pain management | 4 | 35 | 477 | 748 |
| 754 | Taste | 2 | 34 | 383 | 498 |
| 754 | smell | 2 | 34 | 383 | 498 |
| 754 | Food preferences | 2 | 34 | 483 | 669 |
| 754 | Autism | 1 | 34 | 989 | 1031 |
| 758 | Wildlife conservation | 1 | 33 | 1466 | 1503 |
| 758 | nuclear magnetic resonance | 3 | 33 | 910 | 1012 |
| 758 | Adolescent | 3 | 33 | 1859 | 2253 |
| 758 | Population | 2 | 33 | 1018 | 1264 |
| 758 | biomedicine | 3 | 33 | 471 | 900 |
| 758 | Birth control | 1 | 33 | 753 | 740 |
| 764 | mutation | 1 | 32 | 831 | 902 |
| 764 | Geochemical Modeling | 1 | 32 | 367 | 380 |
| 764 | Antibacterial agents | 1 | 32 | 938 | 1059 |
| 764 | geological modeling | 1 | 32 | 944 | 744 |
| 764 | Chromosomes | 1 | 32 | 1221 | 1257 |
| 764 | ethanol | 1 | 32 | 790 | 702 |
| 764 | alcoholism | 1 | 32 | 1764 | 1666 |
| 764 | wood | 1 | 32 | 766 | 597 |
| 764 | Australia | 3 | 32 | 1717 | 2079 |
| 764 | environmental issues | 2 | 32 | 534 | 799 |
| 774 | Nanomedicine | 2 | 31 | 304 | 565 |
| 774 | Cognitive Radio Networks | 3 | 31 | 206 | 357 |
| 774 | Electrophysiology | 2 | 31 | 991 | 1052 |
| 774 | Groundwater | 1 | 31 | 843 | 830 |
| 774 | medical education | 1 | 31 | 2271 | 1946 |
| 774 | rare diseases | 1 | 31 | 824 | 782 |
| 774 | Nonlinear mechanics | 1 | 31 | 805 | 674 |
| 781 | Thermodynamics | 4 | 30 | 1116 | 1352 |
| 781 | Biological Systems | 2 | 30 | 672 | 895 |
| 781 | Friction | 2 | 30 | 145 | 308 |
| 781 | microwave communication systems | 2 | 30 | 470 | 546 |
| 781 | violence | 1 | 30 | 1470 | 1391 |
| 781 | Microwave devices | 2 | 30 | 560 | 607 |
| 781 | Aggression | 1 | 30 | 807 | 846 |
| 788 | Otolaryngology | 2 | 29 | 552 | 655 |
| 788 | eugenics | 1 | 29 | 880 | 804 |
| 788 | Fisheries | 1 | 29 | 2080 | 1793 |
| 788 | Muscle contraction | 1 | 29 | 698 | 305 |
| 792 | health services accessibility | 1 | 28 | 1394 | 1281 |
| 792 | Apoptosis | 1 | 28 | 516 | 606 |
| 792 | neurotoxins | 1 | 28 | 516 | 606 |
| 792 | Neurotoxic agents | 1 | 28 | 516 | 606 |
| 792 | Socioeconomic Factors | 1 | 28 | 1255 | 1292 |
| 792 | Respiratory system | 2 | 28 | 612 | 830 |
| 792 | Writing | 3 | 28 | 291 | 522 |
| 792 | Nanotubes | 1 | 28 | 423 | 256 |
| 792 | Nerve regeneration | 1 | 28 | 516 | 606 |
| 801 | Animal husbandry | 3 | 27 | 309 | 511 |
| 801 | Superconductivity | 4 | 27 | 394 | 589 |
| 801 | Magnetic Resonance Spectroscopy | 1 | 27 | 1448 | 1250 |
| 801 | amino acids | 1 | 27 | 967 | 1016 |
| 805 | Aerospace Engineering | 3 | 26 | 250 | 296 |
| 805 | air quality | 1 | 26 | 539 | 538 |
| 805 | Cardiopulmonary Resuscitation | 1 | 26 | 316 | 164 |
| 805 | Developmental Disabilities | 1 | 26 | 1352 | 1461 |
| 805 | cardiac arrest | 1 | 26 | 316 | 164 |
| 805 | Pacific Islands | 3 | 26 | 290 | 433 |
| 805 | explosives | 1 | 26 | 343 | 214 |
| 812 | Functional Analysis | 3 | 25 | 1371 | 1588 |
| 812 | Neuroanatomy | 2 | 25 | 309 | 502 |
| 812 | Informatics | 2 | 25 | 993 | 1289 |
| 812 | Fluorescence | 4 | 25 | 376 | 751 |
| 816 | Pediatrics | 3 | 24 | 1760 | 2437 |
| 816 | Health Services Administration | 1 | 24 | 1560 | 1489 |
| 816 | plasma spraying | 2 | 24 | 284 | 412 |
| 816 | econometric models | 1 | 24 | 1104 | 1119 |
| 820 | Economic Development | 4 | 23 | 1294 | 2217 |
| 820 | Organizational learning | 3 | 23 | 410 | 826 |
| 820 | environmental indicators | 3 | 23 | 1139 | 2054 |
| 820 | Chemical kinetics | 5 | 23 | 582 | 999 |
| 820 | Knowledge management | 3 | 23 | 389 | 776 |
| 820 | Crystal growth | 2 | 23 | 1201 | 1544 |
| 820 | Croatia | 2 | 23 | 130 | 43 |
| 820 | energy development | 2 | 23 | 1096 | 1622 |
| 820 | Fashion | 3 | 23 | 136 | 257 |
| 829 | Emergency Medical Services | 3 | 22 | 619 | 983 |
| 829 | Computer Architecture | 3 | 22 | 547 | 740 |
| 829 | Forensic Psychology | 2 | 22 | 473 | 570 |
| 829 | Forensic Psychiatry | 2 | 22 | 604 | 736 |
| 829 | Eastern Europe | 3 | 22 | 909 | 1066 |
| 829 | Emotions | 1 | 22 | 900 | 1016 |
| 835 | Landscape Architecture | 1 | 21 | 332 | 178 |
| 835 | Algae | 2 | 21 | 808 | 1104 |
| 835 | radar | 1 | 21 | 339 | 309 |
| 835 | Sonar | 1 | 21 | 281 | 265 |
| 835 | electrocatalysis | 2 | 21 | 137 | 279 |
| 835 | Navigation | 1 | 21 | 524 | 375 |
| 841 | Discourse Analysis | 1 | 20 | 694 | 696 |
| 841 | Remote Sensing | 3 | 20 | 1452 | 1872 |
| 841 | individual differences | 1 | 20 | 529 | 694 |
| 841 | Emulsions | 1 | 20 | 729 | 655 |
| 841 | Iron | 2 | 20 | 368 | 494 |
| 841 | Social work | 2 | 20 | 1553 | 1793 |
| 841 | Leisure | 1 | 20 | 584 | 709 |
| 841 | Insect biochemistry | 2 | 20 | 548 | 833 |
| 849 | Higher Education | 1 | 19 | 1112 | 1042 |
| 849 | Quantum Communication | 1 | 19 | 316 | 392 |
| 849 | Diffusion of innovations | 2 | 19 | 125 | 312 |
| 849 | breastfeeding | 2 | 19 | 576 | 876 |
| 849 | older people | 3 | 19 | 1445 | 1806 |
| 849 | heredity | 1 | 19 | 997 | 1021 |
| 849 | Literacy | 1 | 19 | 553 | 517 |
| 849 | Written communication | 1 | 19 | 219 | 225 |
| 849 | Instructional systems | 1 | 19 | 345 | 393 |
| 858 | Visual Communication | 1 | 18 | 841 | 835 |
| 858 | Cartography | 1 | 18 | 832 | 679 |
| 858 | Developmental Psychology | 6 | 18 | 684 | 1575 |
| 858 | Industrial Safety | 2 | 18 | 1432 | 1845 |
| 858 | Discrete Mathematics | 8 | 18 | 140 | 386 |
| 858 | Geodesy | 1 | 18 | 1273 | 1308 |
| 858 | Computational Intelligence | 2 | 18 | 885 | 1213 |
| 858 | Multiphase Flow | 1 | 18 | 631 | 761 |
| 858 | Image enhancement | 1 | 18 | 679 | 753 |
| 858 | Machining | 3 | 18 | 139 | 286 |
| 858 | Sound | 2 | 18 | 1227 | 1361 |
| 858 | graph | 8 | 18 | 140 | 386 |
| 858 | forest policy | 1 | 18 | 615 | 722 |
| 858 | Reproduction | 3 | 18 | 1823 | 2551 |
| 858 | Ultrasound | 2 | 18 | 827 | 1226 |
| 858 | Radio frequency | 2 | 18 | 520 | 815 |
| 858 | Soil ecology | 1 | 18 | 1201 | 1471 |
| 875 | Anthropology | 1 | 17 | 2188 | 1933 |
| 875 | Database Management | 2 | 17 | 881 | 1228 |
| 875 | Asthma | 3 | 17 | 606 | 1012 |
| 875 | Cellular senescence | 1 | 17 | 601 | 977 |
| 875 | Animal breeding | 2 | 17 | 871 | 1179 |
| 875 | Lymphoma | 2 | 17 | 382 | 467 |
| 875 | Multiple Myeloma | 2 | 17 | 376 | 460 |
| 875 | adolescence | 2 | 17 | 1087 | 1562 |
| 875 | Adolescent Psychology | 2 | 17 | 940 | 1335 |
| 875 | Calculus of Variations | 2 | 17 | 670 | 721 |
| 875 | Customer service | 1 | 17 | 153 | 173 |
| 875 | Organ transplantation | 2 | 17 | 373 | 472 |
| 875 | Approximation Theory | 2 | 17 | 573 | 637 |
| 875 | Pancreatic diseases | 1 | 17 | 523 | 554 |
| 889 | Conservation Biology | 3 | 16 | 1026 | 1707 |
| 889 | Avionics | 1 | 16 | 253 | 277 |
| 889 | Municipal Engineering | 3 | 16 | 333 | 910 |
| 889 | Mental Health | 1 | 16 | 2223 | 2331 |
| 889 | Information visualization | 1 | 16 | 380 | 350 |
| 889 | Thin Films | 3 | 16 | 528 | 873 |
| 889 | Molecular recognition | 1 | 16 | 451 | 545 |
| 896 | Obstetrics | 1 | 15 | 2373 | 2555 |
| 896 | Neonatology | 1 | 15 | 944 | 1110 |
| 896 | School Psychology | 1 | 15 | 724 | 908 |
| 896 | symbiosis | 1 | 15 | 327 | 438 |
| 896 | Thrombosis | 2 | 15 | 956 | 1339 |
| 896 | Advertising | 2 | 15 | 384 | 759 |
| 896 | Inorganic Polymers | 1 | 15 | 62 | 78 |
| 896 | Comparative Advertising | 2 | 15 | 95 | 235 |
| 896 | Organometallic polymers | 1 | 15 | 62 | 78 |
| 896 | Fibers | 2 | 15 | 135 | 155 |
| 906 | Game Theory | 2 | 14 | 689 | 909 |
| 906 | Ecological Genetics | 2 | 14 | 790 | 1118 |
| 906 | Comparative Physiology | 1 | 14 | 1104 | 1358 |
| 906 | Population Genetics | 2 | 14 | 1217 | 1874 |
| 906 | Behavioral research | 1 | 14 | 1161 | 1229 |
| 906 | Antiviral agents | 1 | 14 | 411 | 546 |
| 906 | Safety management | 3 | 14 | 600 | 1260 |
| 906 | body temperature | 1 | 14 | 993 | 1195 |
| 906 | children | 1 | 14 | 791 | 896 |
| 915 | Sports Medicine | 4 | 13 | 1973 | 2922 |
| 915 | Social welfare | 1 | 13 | 965 | 1043 |
| 915 | Real Estate Investment | 1 | 13 | 307 | 353 |
| 915 | Teaching | 1 | 13 | 2634 | 2667 |
| 915 | animals | 3 | 13 | 1195 | 1849 |
| 915 | Outdoor recreation | 1 | 13 | 191 | 301 |
| 915 | disabilities | 1 | 13 | 1075 | 1281 |
| 915 | ecotourism | 1 | 13 | 468 | 737 |
| 915 | gene transfer | 1 | 13 | 451 | 581 |
| 915 | genetic transformation | 1 | 13 | 451 | 581 |
| 925 | Nursing | 1 | 12 | 2646 | 2717 |
| 925 | Architecture | 1 | 12 | 898 | 774 |
| 925 | Biochemical Genetics | 1 | 12 | 859 | 812 |
| 925 | Veterinary Immunology | 1 | 12 | 535 | 698 |
| 925 | Ecohydrology | 2 | 12 | 474 | 823 |
| 925 | Radiation | 4 | 12 | 1766 | 2933 |
| 925 | Tuberculosis | 24 | 12 | 11 | 11 |
| 925 | Soft Condensed Matter | 1 | 12 | 1489 | 1714 |
| 925 | Ornithology | 1 | 12 | 1296 | 1313 |
| 925 | Sports | 2 | 12 | 2245 | 2628 |
| 925 | construction | 1 | 12 | 371 | 496 |
| 925 | Petroleum | 1 | 12 | 455 | 494 |
| 925 | Hydrocarbons | 1 | 12 | 200 | 242 |
| 925 | Export Marketing | 2 | 12 | 298 | 666 |
| 925 | biopolymers | 1 | 12 | 1624 | 1887 |
| 925 | Birds | 1 | 12 | 1475 | 1464 |
| 941 | Optical Communications | 1 | 11 | 1212 | 1324 |
| 941 | Rheology | 1 | 11 | 893 | 1093 |
| 941 | Immunochemistry | 1 | 11 | 1340 | 1604 |
| 941 | Roads | 1 | 11 | 975 | 1050 |
| 941 | Earth Sciences | 2 | 11 | 3273 | 4104 |
| 941 | immunoassay | 1 | 11 | 430 | 516 |
| 941 | Structure-activity relationship | 2 | 11 | 311 | 627 |
| 941 | Human biology | 2 | 11 | 772 | 1228 |
| 949 | Neuropsychiatry | 3 | 10 | 735 | 1319 |
| 949 | Nanomanufacturing | 1 | 10 | 241 | 209 |
| 949 | Opioids | 1 | 10 | 10 | 37 |
| 949 | Vegetation | 2 | 10 | 130 | 295 |
| 949 | Trace elements | 1 | 10 | 525 | 837 |
| 949 | Coronary heart disease | 4 | 10 | 142 | 434 |
| 949 | Philippines | 1 | 10 | 248 | 367 |
| 956 | Geophysics | 1 | 9 | 3648 | 4096 |
| 956 | Stochastic Processes | 2 | 9 | 1137 | 1647 |
| 956 | Psychopharmacology | 1 | 9 | 1727 | 2102 |
| 956 | Differential Equations | 3 | 9 | 1072 | 1567 |
| 956 | Statistical Mechanics | 1 | 9 | 949 | 1025 |
| 956 | Erectile dysfunction | 2 | 9 | 287 | 538 |
| 956 | Natural resources | 1 | 9 | 1154 | 1490 |
| 956 | Phylogenetics | 1 | 9 | 218 | 318 |
| 956 | histological techniques | 2 | 9 | 699 | 1166 |
| 956 | Lymphatic system | 2 | 9 | 106 | 257 |
| 956 | landscapes | 1 | 9 | 399 | 542 |
| 956 | Electromagnetic fields | 2 | 9 | 514 | 674 |
| 956 | Culture | 2 | 9 | 1280 | 1695 |
| 956 | Heterocyclic compounds | 1 | 9 | 1529 | 1699 |
| 956 | Convergence | 1 | 9 | 117 | 269 |
| 956 | Immune system | 1 | 9 | 1175 | 1561 |
| 972 | Animal Behavior | 1 | 8 | 2299 | 2899 |
| 972 | Entrepreneurship | 1 | 8 | 1631 | 2183 |
| 972 | foods | 1 | 8 | 282 | 476 |
| 972 | indoor air pollution | 1 | 8 | 676 | 1007 |
| 972 | Ventilation | 1 | 8 | 897 | 1187 |
| 972 | Southeast Asia | 4 | 8 | 274 | 840 |
| 972 | Human Resources | 1 | 8 | 845 | 1310 |
| 972 | Sick building syndrome | 1 | 8 | 676 | 1007 |
| 972 | biological monitoring | 1 | 8 | 866 | 1277 |
| 972 | sexual behavior | 1 | 8 | 1070 | 1427 |
| 982 | Respiratory Therapy | 1 | 7 | 68 | 142 |
| 982 | Marine Engineering | 1 | 7 | 465 | 519 |
| 982 | Radiologic Technology | 2 | 7 | 166 | 346 |
| 982 | Naval Architecture | 1 | 7 | 521 | 672 |
| 982 | Interventional Radiology | 2 | 7 | 166 | 346 |
| 982 | Nuclear Chemistry | 1 | 7 | 1570 | 1774 |
| 982 | Forensic Toxicology | 3 | 7 | 49 | 240 |
| 982 | Radiochemistry | 1 | 7 | 1496 | 1660 |
| 982 | Green Technology | 1 | 7 | 868 | 1389 |
| 982 | Risk assessment | 1 | 7 | 1162 | 1580 |
| 982 | ecological risk assessment | 1 | 7 | 525 | 838 |
| 982 | Immunotoxicology | 1 | 7 | 580 | 846 |
| 982 | Supramolecular chemistry | 1 | 7 | 502 | 679 |
| 982 | Speech Disorders | 1 | 7 | 1315 | 1614 |
| 982 | Interventional Radiography | 2 | 7 | 166 | 346 |
| 982 | Endoscopic Surgery | 2 | 7 | 166 | 346 |
| 982 | Mineral resources | 1 | 7 | 1189 | 1707 |
| 982 | nuclear power | 1 | 7 | 732 | 809 |
| 982 | gases | 1 | 7 | 68 | 142 |