| 1 | Astronomy | 449 | 49.5K | 253 | 170 |
| 2 | Astrophysics | 340 | 48.9K | 341 | 226 |
| 3 | Chemistry | 611 | 41.0K | 620 | 472 |
| 4 | Materials | 117 | 29.2K | 1093 | 240 |
| 5 | Materials Science | 73 | 28.9K | 913 | 135 |
| 6 | Physics | 583 | 26.1K | 627 | 744 |
| 7 | Science | 269 | 17.1K | 836 | 816 |
| 8 | Biology | 254 | 16.1K | 796 | 820 |
| 9 | Catalysis | 215 | 9.4K | 360 | 378 |
| 10 | Spectrum analysis | 106 | 8.2K | 689 | 513 |
| 11 | Medicine | 165 | 7.5K | 1226 | 1033 |
| 12 | Molecular Biology | 156 | 6.2K | 1062 | 1066 |
| 13 | Research | 170 | 6.2K | 1029 | 901 |
| 14 | Condensed Matter | 213 | 6.1K | 429 | 461 |
| 15 | Solid State Physics | 211 | 5.8K | 475 | 482 |
| 16 | Polymers | 125 | 5.8K | 688 | 482 |
| 17 | Geophysics | 147 | 5.6K | 451 | 433 |
| 18 | Natural history | 27 | 5.5K | 968 | 876 |
| 19 | Mathematics | 277 | 5.5K | 634 | 424 |
| 20 | Nanotechnology | 134 | 5.0K | 705 | 774 |
| 21 | probabilities | 56 | 4.6K | 207 | 12 |
| 22 | Geology | 105 | 4.6K | 474 | 368 |
| 23 | Geochemistry | 96 | 4.5K | 298 | 277 |
| 24 | polymerization | 79 | 4.2K | 764 | 483 |
| 25 | Statistics | 14 | 3.9K | 1246 | 221 |
| 26 | Meteorites | 75 | 3.6K | 143 | 169 |
| 27 | Ecology | 112 | 3.6K | 939 | 1189 |
| 27 | Economics | 109 | 3.6K | 628 | 478 |
| 29 | Nuclear Physics | 142 | 3.5K | 814 | 844 |
| 30 | Biochemistry | 123 | 3.2K | 1524 | 1648 |
| 31 | Immunology | 26 | 3.0K | 956 | 601 |
| 32 | Neurology | 91 | 3.0K | 860 | 956 |
| 33 | Planets | 69 | 2.9K | 286 | 296 |
| 34 | Immunotherapy | 39 | 2.9K | 332 | 249 |
| 35 | Psychophysiology | 112 | 2.8K | 386 | 529 |
| 36 | Earth Sciences | 52 | 2.7K | 702 | 493 |
| 37 | Immunity | 13 | 2.7K | 726 | 461 |
| 38 | Chemical Engineering | 56 | 2.5K | 1190 | 1066 |
| 39 | Nanostructured Materials | 83 | 2.5K | 525 | 625 |
| 40 | Cognition | 104 | 2.4K | 187 | 300 |
| 41 | Immune system | 5 | 2.3K | 616 | 260 |
| 42 | Environment | 56 | 2.2K | 1025 | 1356 |
| 43 | Pollution | 81 | 2.2K | 962 | 1376 |
| 44 | Mathematical Physics | 91 | 2.2K | 449 | 421 |
| 45 | Green Chemistry | 30 | 2.2K | 458 | 335 |
| 46 | Analytical Chemistry | 70 | 2.2K | 955 | 946 |
| 47 | nanoscience | 35 | 2.0K | 795 | 688 |
| 48 | Statistical physics | 106 | 2.0K | 620 | 719 |
| 49 | Colloids | 63 | 2.0K | 844 | 926 |
| 50 | Behavior | 70 | 2.0K | 540 | 729 |
| 51 | Neurons | 1 | 1.9K | 743 | 301 |
| 52 | Solar System | 66 | 1.9K | 107 | 131 |
| 53 | human behavior | 47 | 1.8K | 497 | 640 |
| 54 | Physical Chemistry | 47 | 1.7K | 465 | 473 |
| 55 | Neuropsychology | 88 | 1.7K | 279 | 463 |
| 56 | Biotechnology | 46 | 1.6K | 1450 | 1544 |
| 57 | Biophysics | 59 | 1.6K | 1281 | 1384 |
| 58 | Fluid Mechanics | 16 | 1.6K | 625 | 219 |
| 59 | Numerical Analysis | 21 | 1.6K | 884 | 260 |
| 60 | Psychology | 96 | 1.6K | 744 | 960 |
| 61 | Cytology | 17 | 1.5K | 1575 | 1172 |
| 62 | Animal Behavior | 53 | 1.5K | 387 | 487 |
| 63 | Microbiology | 54 | 1.5K | 1443 | 1690 |
| 64 | Organic Chemistry | 47 | 1.5K | 833 | 749 |
| 65 | Neurophysiology | 55 | 1.5K | 607 | 784 |
| 66 | Sustainable Engineering | 24 | 1.4K | 435 | 320 |
| 67 | Automation | 35 | 1.4K | 593 | 578 |
| 68 | Physiology | 54 | 1.4K | 890 | 1035 |
| 69 | Magnetic Resonance Spectroscopy | 48 | 1.4K | 194 | 169 |
| 70 | Mycology | 5 | 1.4K | 1145 | 311 |
| 71 | Fungi | 4 | 1.4K | 824 | 221 |
| 72 | Quantum Chemistry | 2 | 1.3K | 189 | 8 |
| 72 | Molecular structure | 20 | 1.3K | 872 | 470 |
| 74 | Computational Biology | 38 | 1.3K | 523 | 569 |
| 75 | Ethology | 45 | 1.3K | 325 | 461 |
| 76 | Optical materials | 44 | 1.2K | 625 | 805 |
| 77 | Engineering | 32 | 1.2K | 1266 | 778 |
| 78 | Psychiatry | 24 | 1.2K | 1339 | 1065 |
| 79 | Genetics | 29 | 1.2K | 997 | 1056 |
| 80 | Botany | 21 | 1.2K | 1504 | 1188 |
| 81 | Bioorganic chemistry | 36 | 1.2K | 758 | 739 |
| 82 | cryosphere | 15 | 1.1K | 129 | 91 |
| 83 | biological evolution | 28 | 1.1K | 591 | 687 |
| 84 | Brain | 54 | 1.1K | 597 | 792 |
| 85 | Signal Processing | 31 | 1.1K | 789 | 697 |
| 86 | Electrochemistry | 57 | 1.1K | 1028 | 1066 |
| 87 | Physical organic chemistry | 29 | 1.1K | 310 | 198 |
| 87 | environmental pollution | 51 | 1.1K | 1005 | 1491 |
| 89 | Geomagnetism | 27 | 1.1K | 158 | 118 |
| 90 | Nervous system | 49 | 1.1K | 483 | 712 |
| 91 | Meteorology | 27 | 1.0K | 642 | 700 |
| 92 | Biocompatible Materials | 36 | 1.0K | 1101 | 1382 |
| 93 | biopolymers | 30 | 999 | 266 | 270 |
| 94 | mathematical analysis | 42 | 968 | 717 | 450 |
| 95 | Soft Condensed Matter | 28 | 966 | 282 | 256 |
| 96 | Environmental Management | 18 | 941 | 1149 | 1078 |
| 96 | Mechanics | 32 | 941 | 253 | 190 |
| 98 | Functional Analysis | 27 | 939 | 381 | 212 |
| 99 | Biodiversity | 21 | 938 | 691 | 606 |
| 100 | Environmental Health | 44 | 935 | 1312 | 1813 |
| 101 | Plant cells | 11 | 929 | 543 | 560 |
| 102 | Combustion | 23 | 921 | 361 | 301 |
| 103 | Cell Biology | 17 | 913 | 1493 | 1437 |
| 104 | Child psychology | 24 | 911 | 442 | 507 |
| 105 | Nonlinear Dynamics | 55 | 876 | 455 | 629 |
| 106 | Cognitive neuroscience | 27 | 873 | 261 | 378 |
| 107 | Climatology | 15 | 868 | 701 | 558 |
| 108 | Optics | 63 | 867 | 1009 | 1117 |
| 109 | Surface Chemistry | 34 | 856 | 1272 | 1398 |
| 110 | Cerebral cortex | 23 | 826 | 260 | 308 |
| 111 | nuclear magnetic resonance | 30 | 823 | 268 | 229 |
| 112 | nucleic acids | 18 | 806 | 613 | 688 |
| 113 | Biomedical Engineering | 21 | 793 | 1889 | 1652 |
| 114 | nuclear magnetic resonance spectroscopy | 20 | 785 | 192 | 122 |
| 115 | Sports Medicine | 32 | 775 | 675 | 708 |
| 116 | Differential Equations | 18 | 740 | 364 | 194 |
| 117 | Solid State Chemistry | 35 | 738 | 744 | 723 |
| 118 | Developmental Psychology | 14 | 734 | 413 | 365 |
| 118 | analysis | 21 | 734 | 83 | 100 |
| 120 | Cognitive Science | 27 | 730 | 357 | 508 |
| 121 | Nuclear Engineering | 43 | 717 | 308 | 276 |
| 122 | Organometallic compounds | 20 | 716 | 444 | 361 |
| 123 | Environmental Engineering | 19 | 715 | 1457 | 1340 |
| 124 | Planetary Science | 28 | 714 | 98 | 86 |
| 125 | Bioengineering | 25 | 706 | 1384 | 1675 |
| 126 | human development | 11 | 701 | 368 | 247 |
| 127 | Cell death | 14 | 690 | 471 | 530 |
| 128 | finance | 13 | 684 | 1141 | 715 |
| 129 | Medical genetics | 9 | 679 | 1143 | 983 |
| 130 | Memory | 19 | 670 | 601 | 583 |
| 131 | Quantum Gravity | 35 | 669 | 807 | 914 |
| 132 | Psycholinguistics | 16 | 667 | 355 | 341 |
| 133 | miniaturization | 24 | 663 | 545 | 778 |
| 134 | Geography | 18 | 649 | 771 | 674 |
| 135 | Paleoceanography | 4 | 643 | 138 | 88 |
| 136 | Neurochemistry | 18 | 636 | 912 | 882 |
| 137 | Cancer | 21 | 635 | 1032 | 1199 |
| 138 | Engineering Geology | 13 | 625 | 631 | 479 |
| 139 | Evolution | 25 | 620 | 561 | 765 |
| 140 | Composite Materials | 12 | 617 | 1367 | 1178 |
| 141 | Parasitology | 10 | 614 | 1239 | 683 |
| 142 | biocatalysis | 3 | 604 | 162 | 177 |
| 142 | Homogeneous catalysis | 3 | 604 | 162 | 177 |
| 142 | Heterogeneous catalysis | 3 | 604 | 162 | 177 |
| 145 | Zeolites | 16 | 603 | 289 | 304 |
| 146 | Industrial Policy | 9 | 602 | 226 | 125 |
| 147 | transport vesicles | 2 | 597 | 275 | 224 |
| 148 | Economic History | 25 | 590 | 1081 | 944 |
| 149 | supercritical fluids | 5 | 588 | 291 | 108 |
| 150 | NMR | 18 | 587 | 97 | 39 |
| 151 | Renewable Energy Sources | 6 | 572 | 1974 | 1571 |
| 152 | Metallurgy | 21 | 569 | 802 | 734 |
| 153 | sanitation | 15 | 564 | 597 | 865 |
| 154 | Photonics | 24 | 557 | 663 | 836 |
| 155 | Microbial Ecology | 24 | 555 | 686 | 1105 |
| 156 | Economic Development | 14 | 554 | 624 | 641 |
| 157 | Electronics | 15 | 551 | 1564 | 1143 |
| 158 | Pharmaceutical Chemistry | 30 | 549 | 1135 | 1433 |
| 159 | Control Theory | 31 | 545 | 487 | 562 |
| 160 | behavioral medicine | 9 | 543 | 637 | 557 |
| 161 | Microelectronics | 18 | 537 | 667 | 777 |
| 162 | Molecular evolution | 16 | 534 | 538 | 641 |
| 163 | economic policy | 26 | 527 | 693 | 614 |
| 164 | Artificial Intelligence | 26 | 525 | 1294 | 1548 |
| 165 | magnetic resonance | 16 | 523 | 126 | 52 |
| 166 | China | 1 | 521 | 3707 | 838 |
| 167 | Carbon | 16 | 505 | 475 | 714 |
| 167 | genome | 13 | 505 | 579 | 735 |
| 169 | Developmental Biology | 10 | 504 | 939 | 906 |
| 169 | Catalysts | 10 | 504 | 294 | 153 |
| 171 | Oceanography | 20 | 500 | 650 | 731 |
| 172 | Perception | 15 | 485 | 713 | 668 |
| 173 | Human genetics | 7 | 482 | 1022 | 1351 |
| 174 | Liver diseases | 4 | 479 | 928 | 685 |
| 175 | Cell differentiation | 4 | 477 | 1070 | 814 |
| 176 | Paleoclimatology | 19 | 475 | 389 | 512 |
| 177 | Speech | 6 | 465 | 633 | 374 |
| 178 | Molecules | 14 | 463 | 712 | 531 |
| 179 | Industrial Organization | 7 | 454 | 173 | 87 |
| 179 | System analysis | 21 | 454 | 836 | 895 |
| 181 | Computational Chemistry | 17 | 453 | 168 | 264 |
| 182 | Image Processing | 13 | 451 | 1092 | 998 |
| 183 | Molecular ecology | 14 | 449 | 449 | 595 |
| 184 | Decision making | 10 | 448 | 708 | 522 |
| 185 | Learning | 21 | 441 | 431 | 547 |
| 186 | Europe | 20 | 440 | 1086 | 1030 |
| 187 | Biodiversity conservation | 10 | 437 | 790 | 994 |
| 188 | Educational Psychology | 18 | 435 | 554 | 621 |
| 189 | Biomolecules | 4 | 434 | 343 | 183 |
| 190 | Nanostructures | 39 | 427 | 318 | 913 |
| 191 | Magnetic Materials | 19 | 423 | 562 | 654 |
| 192 | Metals | 10 | 422 | 1105 | 872 |
| 193 | Metabolic diseases | 7 | 415 | 1185 | 1065 |
| 193 | Cellulose | 14 | 415 | 150 | 203 |
| 195 | Biogeography | 14 | 413 | 411 | 631 |
| 195 | Paleoecology | 17 | 413 | 391 | 501 |
| 197 | Respiration | 11 | 411 | 675 | 635 |
| 198 | Environmental Microbiology | 16 | 403 | 461 | 775 |
| 199 | International Relations | 4 | 401 | 882 | 307 |
| 199 | Research Design | 16 | 401 | 383 | 499 |
| 201 | Geodynamics | 12 | 399 | 432 | 464 |
| 201 | exobiology | 5 | 399 | 187 | 150 |
| 201 | Liposomes | 14 | 399 | 160 | 223 |
| 201 | Lipid bilayers | 14 | 399 | 130 | 210 |
| 205 | Political Science | 12 | 398 | 880 | 590 |
| 205 | Speech Disorders | 6 | 398 | 697 | 425 |
| 207 | gene mapping | 10 | 397 | 919 | 951 |
| 208 | Social behavior | 15 | 396 | 456 | 547 |
| 209 | Climate change | 5 | 394 | 708 | 855 |
| 209 | Eutrophication | 5 | 394 | 678 | 852 |
| 211 | Paleogeography | 16 | 393 | 366 | 468 |
| 212 | Geomorphology | 11 | 392 | 723 | 762 |
| 213 | Wireless Communication Systems | 12 | 390 | 1231 | 1012 |
| 213 | Cheminformatics | 4 | 390 | 229 | 171 |
| 213 | Consciousness | 18 | 390 | 95 | 164 |
| 216 | Linguistics | 22 | 383 | 431 | 458 |
| 217 | International security | 2 | 382 | 262 | 113 |
| 217 | peace | 2 | 382 | 584 | 202 |
| 217 | conflict management | 2 | 382 | 318 | 94 |
| 220 | Structure-activity relationship | 1 | 378 | 487 | 102 |
| 221 | Child Development | 12 | 374 | 874 | 897 |
| 222 | Food | 11 | 372 | 1633 | 1640 |
| 223 | Energy Conversion | 5 | 368 | 917 | 852 |
| 223 | Energy Storage | 5 | 368 | 953 | 594 |
| 225 | Developing countries | 9 | 367 | 1264 | 942 |
| 226 | Homeostasis | 2 | 363 | 426 | 502 |
| 226 | atmospheric models | 4 | 363 | 507 | 380 |
| 226 | Cell metabolism | 2 | 363 | 731 | 537 |
| 229 | Engineering Mathematics | 22 | 357 | 567 | 632 |
| 230 | Genomics | 20 | 356 | 1041 | 1424 |
| 231 | world | 3 | 353 | 694 | 454 |
| 232 | Medical Physics | 7 | 341 | 954 | 763 |
| 233 | Attention | 12 | 339 | 687 | 712 |
| 234 | Organometallic chemistry | 22 | 336 | 693 | 811 |
| 234 | Bioinorganic chemistry | 22 | 336 | 470 | 672 |
| 236 | Water pollution | 18 | 335 | 1098 | 1618 |
| 236 | Agriculture | 6 | 335 | 1432 | 964 |
| 238 | Energy Harvesting | 3 | 334 | 430 | 366 |
| 239 | Environmental monitoring | 14 | 333 | 1829 | 2283 |
| 240 | Rock Mechanics | 19 | 331 | 301 | 460 |
| 241 | locomotion | 13 | 321 | 209 | 288 |
| 241 | posture | 13 | 321 | 209 | 288 |
| 241 | gait | 13 | 321 | 209 | 288 |
| 241 | walking | 13 | 321 | 209 | 288 |
| 245 | Public Choice | 7 | 319 | 191 | 129 |
| 245 | Group decision making | 7 | 319 | 264 | 166 |
| 247 | Financial Institutions | 8 | 318 | 133 | 113 |
| 248 | Operations Research | 20 | 317 | 855 | 1120 |
| 249 | Marine Biology | 23 | 316 | 928 | 1344 |
| 250 | Membranes | 19 | 315 | 672 | 1051 |
| 251 | Computational Fluid Dynamics | 10 | 313 | 277 | 243 |
| 252 | vibration | 13 | 312 | 500 | 558 |
| 253 | Labor Economics | 1 | 311 | 837 | 219 |
| 254 | Plant physiology | 10 | 309 | 1163 | 1300 |
| 254 | pigments | 23 | 309 | 175 | 346 |
| 256 | Information Science | 12 | 305 | 1247 | 1420 |
| 257 | Bioinformatics | 15 | 303 | 824 | 1026 |
| 258 | Structural dynamics | 12 | 302 | 448 | 614 |
| 259 | Game Theory | 7 | 300 | 334 | 200 |
| 260 | Epidemiology | 11 | 297 | 1720 | 1647 |
| 260 | Mental Disorders | 11 | 297 | 1291 | 1426 |
| 260 | Insects | 9 | 297 | 808 | 590 |
| 263 | Education | 11 | 293 | 1888 | 1492 |
| 263 | Clinical Chemistry | 10 | 293 | 1315 | 1382 |
| 263 | Sports | 22 | 293 | 734 | 927 |
| 266 | Aging | 13 | 285 | 1128 | 1225 |
| 267 | Mineralogy | 16 | 280 | 567 | 688 |
| 268 | Cardiovascular system | 3 | 278 | 1028 | 962 |
| 269 | Experimental Psychology | 13 | 274 | 254 | 326 |
| 269 | Oxidation-reduction | 6 | 274 | 507 | 643 |
| 271 | Geriatrics | 13 | 272 | 1216 | 1292 |
| 271 | plant molecular biology | 5 | 272 | 1066 | 1074 |
| 273 | Hematology | 11 | 270 | 959 | 1073 |
| 273 | DNA polymerases | 6 | 270 | 226 | 407 |
| 275 | Immunochemistry | 5 | 268 | 714 | 413 |
| 276 | Molecular Microbiology | 7 | 266 | 511 | 645 |
| 276 | Plants | 5 | 266 | 1529 | 1227 |
| 278 | plant communities | 8 | 265 | 631 | 754 |
| 278 | Creativity | 3 | 265 | 288 | 114 |
| 280 | Chemical processes | 5 | 262 | 397 | 205 |
| 280 | United States | 10 | 262 | 2626 | 2360 |
| 282 | Biochemical Engineering | 11 | 260 | 1711 | 2350 |
| 283 | Bacteriology | 7 | 256 | 1102 | 1196 |
| 284 | Entomology | 9 | 255 | 1342 | 989 |
| 285 | fuel cells | 8 | 252 | 756 | 893 |
| 285 | Visual Perception | 10 | 252 | 727 | 790 |
| 287 | Evolutionary economics | 5 | 251 | 93 | 56 |
| 287 | Diagnostic microbiology | 2 | 251 | 1098 | 887 |
| 287 | Population Dynamics | 5 | 251 | 96 | 64 |
| 290 | Audiology | 7 | 248 | 465 | 379 |
| 290 | Food Policy | 1 | 248 | 561 | 195 |
| 290 | Signal Transduction | 2 | 248 | 1424 | 953 |
| 290 | agricultural policy | 1 | 248 | 425 | 168 |
| 290 | United Kingdom | 1 | 248 | 2003 | 842 |
| 295 | Petrology | 13 | 247 | 482 | 615 |
| 295 | Microeconomics | 5 | 247 | 223 | 165 |
| 295 | Child | 10 | 247 | 1138 | 1171 |
| 298 | Human-Computer Interaction | 11 | 246 | 688 | 838 |
| 299 | Developmental Immunology | 3 | 244 | 567 | 353 |
| 299 | Chemical analysis | 5 | 244 | 843 | 656 |
| 301 | Mathematical Economics | 11 | 242 | 119 | 184 |
| 301 | Virology | 6 | 242 | 1677 | 1785 |
| 301 | Multiphase Flow | 3 | 242 | 386 | 223 |
| 304 | Social Psychology | 12 | 241 | 1060 | 1286 |
| 305 | Soil Mechanics | 15 | 239 | 447 | 633 |
| 306 | Medical Microbiology | 7 | 236 | 1231 | 1401 |
| 307 | ecosystem | 16 | 234 | 494 | 926 |
| 308 | International Finance | 6 | 233 | 1219 | 988 |
| 309 | proteins | 9 | 231 | 1069 | 1095 |
| 310 | Systems Engineering | 6 | 229 | 1573 | 1217 |
| 311 | viruses | 6 | 228 | 836 | 915 |
| 312 | Toxicology | 15 | 227 | 2031 | 2711 |
| 313 | Conservation Biology | 9 | 226 | 593 | 731 |
| 314 | Microwaves | 14 | 225 | 634 | 632 |
| 314 | Primates | 22 | 225 | 163 | 351 |
| 316 | Industrial Engineering | 10 | 224 | 932 | 1086 |
| 317 | biological invasions | 4 | 223 | 509 | 362 |
| 318 | Hypertension | 2 | 222 | 1256 | 985 |
| 318 | Neural circuitry | 9 | 222 | 1176 | 1380 |
| 320 | Environmental Psychology | 3 | 221 | 353 | 329 |
| 320 | Developmental Disabilities | 6 | 221 | 633 | 637 |
| 322 | Language Disorders | 4 | 220 | 698 | 440 |
| 322 | Pharmaceutical Technology | 9 | 220 | 851 | 968 |
| 324 | Teaching | 7 | 219 | 1123 | 895 |
| 324 | Host-parasite interactions | 7 | 219 | 673 | 934 |
| 324 | Virulence | 7 | 219 | 612 | 884 |
| 324 | catalytic activity | 8 | 219 | 367 | 442 |
| 328 | Ergonomics | 8 | 216 | 536 | 475 |
| 329 | Computer-Aided Design | 14 | 215 | 461 | 640 |
| 330 | Neurolinguistics | 4 | 214 | 362 | 330 |
| 331 | Cybernetics | 8 | 211 | 954 | 1032 |
| 332 | Neurobiology | 9 | 210 | 871 | 1116 |
| 333 | Fracture mechanics | 15 | 209 | 615 | 828 |
| 333 | protein | 6 | 209 | 791 | 690 |
| 333 | Mental illness | 6 | 209 | 1143 | 1226 |
| 336 | alcoholism | 7 | 208 | 829 | 845 |
| 336 | computer networks | 10 | 208 | 1345 | 1516 |
| 338 | Catalyst | 1 | 207 | 70 | 43 |
| 338 | language | 3 | 207 | 802 | 526 |
| 340 | Crystallography | 13 | 206 | 818 | 573 |
| 341 | Information Theory | 13 | 205 | 633 | 800 |
| 342 | Radio | 16 | 202 | 591 | 931 |
| 343 | Nanoparticles | 8 | 201 | 1138 | 1260 |
| 344 | Social Sciences | 12 | 199 | 1700 | 1653 |
| 345 | reasoning | 8 | 198 | 146 | 181 |
| 345 | Fuzzy systems | 9 | 198 | 888 | 696 |
| 347 | Water | 5 | 196 | 1778 | 1900 |
| 348 | Endocrinology | 7 | 194 | 1568 | 1749 |
| 349 | Cosmology | 6 | 191 | 431 | 407 |
| 350 | Shock Waves | 4 | 189 | 128 | 66 |
| 350 | movement | 4 | 189 | 267 | 213 |
| 352 | economic conditions | 6 | 186 | 331 | 352 |
| 352 | Minerals | 5 | 186 | 553 | 408 |
| 354 | Electromagnetism | 6 | 185 | 700 | 545 |
| 354 | Ceramic materials | 9 | 185 | 740 | 815 |
| 356 | Semiconductors | 7 | 184 | 1457 | 1109 |
| 357 | Schizophrenia | 8 | 182 | 527 | 696 |
| 357 | Economic Thought | 3 | 182 | 302 | 305 |
| 357 | Biogeochemistry | 14 | 182 | 454 | 888 |
| 360 | Boundary Value Problems | 5 | 180 | 587 | 407 |
| 360 | Antenna Arrays | 5 | 180 | 405 | 364 |
| 362 | Detectors | 12 | 179 | 704 | 960 |
| 363 | Geometry | 13 | 177 | 568 | 436 |
| 363 | Hearing | 2 | 177 | 742 | 388 |
| 365 | industrial relations | 4 | 176 | 728 | 455 |
| 366 | Antioxidants | 1 | 175 | 1061 | 695 |
| 366 | Parasitic Diseases | 7 | 175 | 1193 | 1246 |
| 366 | Parasites | 7 | 175 | 1015 | 963 |
| 369 | Wildlife conservation | 10 | 174 | 563 | 929 |
| 370 | Structural design | 3 | 172 | 850 | 525 |
| 370 | Smart Materials | 3 | 172 | 965 | 564 |
| 370 | Genetic algorithms | 4 | 172 | 252 | 354 |
| 370 | Evolutionary Computation | 4 | 172 | 372 | 449 |
| 374 | mass transfer | 6 | 171 | 1246 | 1271 |
| 375 | Biomechanics | 10 | 170 | 622 | 861 |
| 375 | Radiation | 8 | 170 | 1319 | 1197 |
| 375 | Animal ecology | 11 | 170 | 570 | 777 |
| 378 | children | 7 | 168 | 269 | 346 |
| 379 | Physical fitness | 3 | 167 | 990 | 719 |
| 379 | Quality of life | 2 | 167 | 1648 | 1068 |
| 379 | Exercise | 12 | 167 | 660 | 869 |
| 382 | Sociology | 9 | 165 | 1708 | 1819 |
| 382 | Vocational guidance | 8 | 165 | 509 | 686 |
| 382 | Radio waves | 12 | 165 | 430 | 637 |
| 385 | arthritis | 4 | 162 | 771 | 846 |
| 386 | soil microbiology | 8 | 161 | 843 | 1363 |
| 387 | Software Engineering | 6 | 158 | 694 | 653 |
| 388 | Anatomy | 3 | 157 | 1727 | 1222 |
| 388 | Community Psychiatry | 2 | 157 | 1029 | 684 |
| 388 | poverty | 5 | 157 | 231 | 231 |
| 388 | Psychiatric Epidemiology | 2 | 157 | 560 | 400 |
| 392 | Virtual reality | 6 | 156 | 223 | 254 |
| 392 | Allergy | 1 | 156 | 1215 | 906 |
| 394 | Quantum theory | 10 | 154 | 537 | 620 |
| 395 | clay | 10 | 153 | 344 | 724 |
| 396 | Topology | 4 | 151 | 295 | 138 |
| 397 | rehabilitation | 8 | 150 | 1223 | 1437 |
| 398 | Mobile Computing | 5 | 149 | 865 | 747 |
| 399 | Crystal growth | 11 | 147 | 479 | 764 |
| 400 | Environmental Policy | 7 | 146 | 2092 | 2784 |
| 400 | Africa | 6 | 146 | 1039 | 695 |
| 402 | Zoology | 11 | 144 | 1364 | 1506 |
| 403 | Diet | 1 | 143 | 2471 | 1709 |
| 403 | Microorganisms | 9 | 143 | 502 | 963 |
| 405 | disease vectors | 6 | 142 | 627 | 735 |
| 406 | Sleep Disorders | 7 | 141 | 855 | 960 |
| 406 | Sleep | 7 | 141 | 879 | 971 |
| 408 | Mass Spectrometry | 4 | 139 | 945 | 767 |
| 408 | touch | 5 | 139 | 75 | 71 |
| 410 | Biomass Energy | 5 | 138 | 1856 | 2189 |
| 410 | Substance Abuse | 6 | 138 | 893 | 915 |
| 410 | energy development | 1 | 138 | 1524 | 756 |
| 413 | Oxidative stress | 7 | 137 | 478 | 986 |
| 414 | Computer Science | 6 | 136 | 1470 | 1232 |
| 414 | bioclimatology | 1 | 136 | 1589 | 697 |
| 416 | Immunopathology | 6 | 135 | 715 | 886 |
| 416 | Obesity | 6 | 135 | 1172 | 1473 |
| 418 | Welfare Economics | 10 | 134 | 189 | 328 |
| 418 | drug addiction | 5 | 134 | 743 | 843 |
| 420 | Paleontology | 7 | 132 | 836 | 852 |
| 420 | adolescence | 6 | 132 | 612 | 719 |
| 422 | Adolescent | 6 | 131 | 1363 | 1414 |
| 423 | Mechanical Engineering | 4 | 130 | 2082 | 1425 |
| 423 | Nanobiotechnology | 5 | 130 | 256 | 513 |
| 423 | Risk | 2 | 130 | 627 | 441 |
| 426 | local government | 1 | 129 | 591 | 269 |
| 426 | Smoking | 4 | 129 | 576 | 635 |
| 428 | healthcare disparities | 2 | 127 | 611 | 355 |
| 428 | Socioeconomic Factors | 2 | 127 | 949 | 633 |
| 428 | Chromosome mapping | 4 | 127 | 1346 | 1442 |
| 428 | Technology | 8 | 127 | 2232 | 2579 |
| 428 | biological factors | 3 | 127 | 1822 | 1439 |
| 433 | Combinatorial chemistry | 6 | 126 | 449 | 691 |
| 434 | sustainability | 5 | 124 | 618 | 871 |
| 435 | Natural resources | 2 | 123 | 899 | 675 |
| 435 | environmental indicators | 6 | 123 | 811 | 1201 |
| 435 | Communication | 6 | 123 | 1424 | 1543 |
| 438 | visualization | 13 | 122 | 592 | 641 |
| 439 | Public Health | 5 | 121 | 3598 | 3513 |
| 439 | Friction | 1 | 121 | 251 | 114 |
| 439 | cohesion | 1 | 121 | 25 | 18 |
| 442 | Sustainable Development | 4 | 120 | 1767 | 1849 |
| 442 | Marine Ecology | 14 | 120 | 279 | 556 |
| 442 | Genetic engineering | 6 | 120 | 1333 | 1623 |
| 445 | Biosensors | 2 | 119 | 1406 | 1478 |
| 445 | Building Materials | 8 | 119 | 1099 | 1712 |
| 445 | Molecular Genetics | 8 | 119 | 1030 | 1613 |
| 445 | Environmental Chemistry | 6 | 119 | 1430 | 1956 |
| 445 | thinking | 2 | 119 | 437 | 263 |
| 450 | pollutants | 8 | 118 | 1122 | 1820 |
| 450 | Environmental pollutants | 8 | 118 | 1390 | 2044 |
| 450 | free radicals | 7 | 118 | 806 | 1303 |
| 453 | Computational neuroscience | 3 | 116 | 22 | 16 |
| 453 | Ethnology | 6 | 116 | 1011 | 852 |
| 455 | Seismology | 4 | 115 | 402 | 363 |
| 455 | Pediatric Neurology | 1 | 115 | 1013 | 885 |
| 457 | Oncology | 3 | 113 | 1696 | 1906 |
| 457 | Light | 5 | 113 | 677 | 953 |
| 459 | Neuropsychiatry | 16 | 112 | 251 | 656 |
| 459 | Plant Ecology | 8 | 112 | 1037 | 1635 |
| 459 | Population Genetics | 10 | 112 | 597 | 1135 |
| 459 | Food additives | 4 | 112 | 902 | 1130 |
| 459 | hydrocolloids | 4 | 112 | 506 | 824 |
| 464 | Ceramics | 5 | 111 | 1128 | 1021 |
| 464 | Molecular Spectroscopy | 11 | 111 | 960 | 1467 |
| 464 | Glass | 5 | 111 | 800 | 872 |
| 464 | pottery | 5 | 111 | 745 | 844 |
| 468 | Fluid Dynamics | 8 | 109 | 654 | 873 |
| 469 | Oncogenes | 3 | 108 | 863 | 1071 |
| 469 | Bioelectronics | 1 | 108 | 1578 | 1391 |
| 469 | RNA | 4 | 108 | 406 | 526 |
| 469 | Uncertainty | 1 | 108 | 339 | 164 |
| 469 | Emotions | 6 | 108 | 393 | 643 |
| 474 | Sedimentology | 5 | 107 | 430 | 551 |
| 475 | auditory perception | 4 | 106 | 331 | 414 |
| 475 | psychophysics | 6 | 106 | 241 | 234 |
| 475 | animals | 3 | 106 | 1209 | 813 |
| 478 | Educational Sociology | 2 | 105 | 480 | 261 |
| 478 | Development | 2 | 105 | 948 | 834 |
| 478 | Economic Assistance | 2 | 105 | 835 | 775 |
| 481 | optical devices | 4 | 104 | 384 | 352 |
| 482 | Surface-Active Agents | 3 | 103 | 1139 | 1219 |
| 482 | Marine Pollution | 10 | 103 | 614 | 1232 |
| 482 | Surface properties | 3 | 103 | 1189 | 1284 |
| 485 | Archaeology | 10 | 101 | 695 | 911 |
| 486 | Mining Engineering | 5 | 100 | 371 | 437 |
| 486 | Soil Science | 3 | 100 | 1773 | 1687 |
| 486 | Radio wave propagation | 2 | 100 | 851 | 503 |
| 486 | Finite Element Method | 8 | 100 | 138 | 241 |
| 490 | Telecommunication Systems | 5 | 99 | 1298 | 1210 |
| 490 | Statistical Mechanics | 9 | 99 | 345 | 448 |
| 490 | Adolescent Psychology | 4 | 99 | 657 | 721 |
| 490 | Leukemia | 4 | 99 | 651 | 753 |
| 494 | Biofeedback | 2 | 98 | 136 | 126 |
| 494 | microwave communication systems | 5 | 98 | 292 | 331 |
| 494 | behavior therapy | 2 | 98 | 902 | 710 |
| 494 | Microwave devices | 5 | 98 | 362 | 386 |
| 498 | Memory disorders | 6 | 96 | 168 | 274 |
| 498 | Mitochondria | 1 | 96 | 501 | 295 |
| 498 | disabilities | 3 | 96 | 666 | 572 |
| 498 | Aquatic ecology | 6 | 96 | 641 | 771 |
| 502 | Social Choice Theory | 9 | 95 | 99 | 153 |
| 502 | Calculus of Variations | 17 | 95 | 151 | 366 |
| 504 | food technology | 7 | 94 | 1678 | 2401 |
| 504 | energy conservation | 4 | 94 | 1802 | 2207 |
| 504 | Autism | 3 | 94 | 628 | 717 |
| 507 | Computer Graphics | 9 | 92 | 972 | 1406 |
| 508 | Optical Communications | 2 | 91 | 937 | 575 |
| 508 | Radiography | 2 | 91 | 785 | 827 |
| 508 | Speech Perception | 2 | 91 | 424 | 377 |
| 508 | Latin America | 2 | 91 | 1350 | 614 |
| 508 | Oral communication | 2 | 91 | 552 | 354 |
| 508 | Antarctica | 2 | 91 | 683 | 367 |
| 514 | Development Economics | 1 | 90 | 770 | 352 |
| 514 | Coastal zone management | 4 | 90 | 551 | 662 |
| 516 | Quantum Computing | 2 | 89 | 215 | 204 |
| 517 | Parallel Processing | 4 | 88 | 377 | 513 |
| 518 | Biometrics | 8 | 87 | 601 | 837 |
| 518 | Trace elements | 4 | 87 | 203 | 354 |
| 520 | Public Policy | 7 | 85 | 1084 | 1677 |
| 520 | scientific societies | 2 | 85 | 851 | 668 |
| 522 | Demography | 7 | 84 | 376 | 649 |
| 522 | Combinatorial optimization | 7 | 84 | 247 | 248 |
| 522 | Graphene | 1 | 84 | 255 | 187 |
| 522 | landscapes | 1 | 84 | 405 | 152 |
| 526 | Eating Disorders | 4 | 83 | 659 | 777 |
| 526 | Feeding and Eating Disorders | 4 | 83 | 642 | 759 |
| 528 | Ecological Engineering | 1 | 82 | 1106 | 871 |
| 528 | epilepsy | 7 | 82 | 527 | 764 |
| 530 | Stochastic Processes | 7 | 81 | 545 | 707 |
| 531 | Reading | 5 | 80 | 468 | 570 |
| 532 | Public Finance | 6 | 79 | 64 | 88 |
| 533 | Pharmacology | 6 | 77 | 2969 | 3729 |
| 533 | Magnetic Resonance Imaging | 3 | 77 | 388 | 379 |
| 533 | Multimedia Systems | 3 | 77 | 1791 | 1530 |
| 533 | Volcanoes | 7 | 77 | 161 | 343 |
| 533 | management | 4 | 77 | 2857 | 3109 |
| 538 | Manufacturing Processes | 3 | 76 | 2112 | 2010 |
| 538 | Drug delivery systems | 6 | 76 | 1061 | 1641 |
| 540 | Biopharmaceutics | 2 | 75 | 1168 | 1138 |
| 540 | drugs | 2 | 75 | 2029 | 1788 |
| 542 | Anthropology | 5 | 74 | 1136 | 1209 |
| 542 | Agricultural Ecology | 3 | 74 | 995 | 1284 |
| 542 | ethanol | 2 | 74 | 586 | 476 |
| 545 | Microbial Biotechnology | 5 | 73 | 703 | 1160 |
| 545 | taxation | 5 | 73 | 129 | 245 |
| 547 | Retina | 1 | 72 | 276 | 389 |
| 547 | Plant Biotechnology | 2 | 72 | 915 | 847 |
| 547 | Plant genetic engineering | 2 | 72 | 986 | 1018 |
| 547 | Business | 3 | 72 | 2118 | 2273 |
| 547 | Cosmochemistry | 4 | 72 | 750 | 975 |
| 547 | natural products | 3 | 72 | 1769 | 1596 |
| 547 | eye | 1 | 72 | 335 | 407 |
| 554 | Approximation Theory | 2 | 70 | 573 | 337 |
| 555 | Metabolism | 9 | 69 | 1216 | 2216 |
| 555 | Industrial Microbiology | 4 | 69 | 1608 | 2171 |
| 555 | Greenhouse gases | 1 | 69 | 476 | 431 |
| 555 | Molecular cloning | 3 | 69 | 1330 | 1383 |
| 555 | Genetic recombination | 3 | 69 | 1312 | 1369 |
| 555 | Recombinant DNA | 3 | 69 | 1374 | 1427 |
| 561 | Discourse Analysis | 2 | 68 | 488 | 405 |
| 562 | Medical Oncology | 4 | 67 | 1137 | 1496 |
| 562 | environmental protection | 7 | 67 | 2371 | 3608 |
| 562 | cooperation | 1 | 67 | 313 | 81 |
| 565 | Philosophy | 9 | 66 | 941 | 849 |
| 565 | Physical Geography | 2 | 66 | 627 | 559 |
| 565 | Distributed Databases | 3 | 66 | 157 | 164 |
| 565 | monoclonal antibodies | 2 | 66 | 323 | 246 |
| 565 | biological monitoring | 2 | 66 | 620 | 609 |
| 565 | natural disasters | 4 | 66 | 1125 | 1524 |
| 571 | Biogeochemical cycles | 1 | 65 | 598 | 671 |
| 571 | Learning disabilities | 1 | 65 | 1221 | 808 |
| 571 | Transplantation | 1 | 65 | 1098 | 919 |
| 574 | Simulation Methods | 4 | 64 | 875 | 1051 |
| 574 | Corporate governance | 2 | 64 | 786 | 786 |
| 574 | Investment analysis | 2 | 64 | 1239 | 975 |
| 577 | gene therapy | 3 | 63 | 822 | 1031 |
| 577 | Sound | 6 | 63 | 715 | 880 |
| 577 | Marine resources | 2 | 63 | 833 | 817 |
| 577 | Diplomatic relations | 1 | 63 | 1024 | 366 |
| 577 | European Union | 1 | 63 | 305 | 179 |
| 577 | Insect biochemistry | 1 | 63 | 717 | 586 |
| 583 | Pathology | 3 | 62 | 1525 | 1787 |
| 583 | Ecosystem management | 1 | 62 | 1121 | 763 |
| 583 | Aquatic ecosystems | 1 | 62 | 341 | 118 |
| 583 | Informatics | 4 | 62 | 721 | 928 |
| 587 | toxicity testing | 1 | 59 | 1064 | 803 |
| 588 | Systems Biology | 6 | 58 | 943 | 1613 |
| 588 | Photochemistry | 6 | 58 | 1191 | 1830 |
| 590 | mental processes | 2 | 57 | 436 | 350 |
| 591 | Dynamics | 9 | 56 | 929 | 1432 |
| 592 | Cryptography | 5 | 55 | 475 | 486 |
| 592 | Number Theory | 6 | 55 | 566 | 528 |
| 592 | cell membrane | 5 | 55 | 406 | 688 |
| 592 | multimedia | 1 | 55 | 816 | 689 |
| 592 | Interactive multimedia | 1 | 55 | 959 | 760 |
| 597 | Crime prevention | 2 | 54 | 317 | 238 |
| 597 | Geochemical Modeling | 2 | 54 | 282 | 310 |
| 597 | Proteome | 5 | 54 | 781 | 1300 |
| 597 | feeding behavior | 3 | 54 | 692 | 964 |
| 597 | geological modeling | 2 | 54 | 678 | 569 |
| 597 | police | 2 | 54 | 474 | 347 |
| 597 | sports injuries | 3 | 54 | 527 | 589 |
| 597 | Appetite | 3 | 54 | 611 | 880 |
| 605 | income | 2 | 53 | 207 | 213 |
| 605 | Input-output analysis | 2 | 53 | 303 | 298 |
| 605 | Wealth | 2 | 53 | 207 | 213 |
| 605 | Continental shelf | 1 | 53 | 585 | 541 |
| 605 | Post-traumatic stress disorder | 2 | 53 | 865 | 932 |
| 610 | Clinical Immunology | 2 | 51 | 1005 | 1100 |
| 610 | Synthetic biology | 3 | 51 | 295 | 440 |
| 610 | Atomic spectroscopy | 7 | 51 | 737 | 1151 |
| 613 | Database Management | 2 | 50 | 883 | 872 |
| 613 | Health Services Research | 2 | 50 | 1717 | 1639 |
| 613 | Systems Analysis | 5 | 50 | 884 | 1281 |
| 613 | Organizational change | 2 | 50 | 926 | 885 |
| 613 | Primary health care | 2 | 50 | 1785 | 1729 |
| 613 | plasticity | 3 | 50 | 326 | 588 |
| 613 | Plastics | 3 | 50 | 1611 | 1734 |
| 613 | innovation | 1 | 50 | 1017 | 963 |
| 613 | Capital market | 1 | 50 | 813 | 636 |
| 613 | Growth | 2 | 50 | 1094 | 1367 |
| 623 | Cognitive Learning | 2 | 49 | 156 | 145 |
| 623 | Nitric oxide | 2 | 49 | 339 | 462 |
| 625 | Social History | 2 | 48 | 656 | 370 |
| 626 | Data Mining | 4 | 47 | 1388 | 2000 |
| 626 | Algorithms | 4 | 47 | 615 | 757 |
| 626 | Nonlinear functional analysis | 4 | 47 | 1065 | 1259 |
| 626 | nuclear astrophysics | 5 | 47 | 376 | 593 |
| 626 | Transport | 2 | 47 | 696 | 833 |
| 626 | Sea | 1 | 47 | 845 | 696 |
| 626 | data collection | 4 | 47 | 886 | 1406 |
| 626 | Fishery resources | 1 | 47 | 931 | 762 |
| 626 | Sociobiology | 3 | 47 | 216 | 284 |
| 626 | Fisheries | 1 | 47 | 2146 | 1614 |
| 636 | Cognitive Psychology | 5 | 46 | 311 | 475 |
| 636 | Tribology | 3 | 46 | 1122 | 1282 |
| 636 | Philosophy of Mind | 3 | 46 | 267 | 309 |
| 636 | Health | 5 | 46 | 1512 | 2223 |
| 636 | individual differences | 2 | 46 | 378 | 516 |
| 636 | Medical innovations | 2 | 46 | 974 | 1420 |
| 636 | Therapeutics | 1 | 46 | 1915 | 1703 |
| 636 | Petroleum | 2 | 46 | 330 | 243 |
| 636 | mammals | 4 | 46 | 836 | 1074 |
| 645 | Critical Care | 2 | 45 | 1231 | 1487 |
| 645 | Critical Care Medicine | 2 | 45 | 1181 | 1458 |
| 645 | Diagnostic Imaging | 9 | 45 | 940 | 1747 |
| 645 | Histocompatibility Testing | 1 | 45 | 709 | 574 |
| 645 | Writing | 2 | 45 | 373 | 430 |
| 650 | Environmental Toxicology | 6 | 44 | 1701 | 3004 |
| 650 | Heart Failure | 1 | 44 | 489 | 526 |
| 650 | global environmental change | 5 | 44 | 556 | 1271 |
| 650 | Astrocytes | 2 | 44 | 487 | 725 |
| 650 | Evolution equations | 3 | 44 | 152 | 139 |
| 650 | enzymes | 3 | 44 | 1359 | 1767 |
| 650 | Southern states | 3 | 44 | 296 | 283 |
| 657 | Immunogenetics | 2 | 43 | 661 | 703 |
| 657 | personality | 3 | 43 | 1414 | 1859 |
| 659 | Transportation | 3 | 42 | 1561 | 1873 |
| 659 | environmental exposure | 5 | 42 | 1477 | 2548 |
| 659 | sexual behavior | 1 | 42 | 1076 | 896 |
| 662 | Bioenergetics | 6 | 41 | 544 | 1209 |
| 662 | Probability | 5 | 41 | 415 | 755 |
| 662 | income distribution | 4 | 41 | 111 | 269 |
| 662 | medical education | 4 | 41 | 1332 | 1809 |
| 662 | Egypt | 2 | 41 | 740 | 921 |
| 667 | Rock deformation | 1 | 40 | 377 | 365 |
| 667 | hazard mitigation | 1 | 40 | 1622 | 1427 |
| 667 | X-ray crystallography | 2 | 40 | 597 | 555 |
| 670 | Phonetics | 2 | 39 | 400 | 443 |
| 670 | Government policy | 1 | 39 | 315 | 272 |
| 672 | Traffic Engineering | 1 | 38 | 732 | 707 |
| 672 | Law and Economics | 3 | 38 | 313 | 323 |
| 672 | Cell survival | 2 | 38 | 257 | 429 |
| 672 | molecular chaperones | 2 | 38 | 300 | 430 |
| 676 | Proteomics | 3 | 37 | 964 | 1429 |
| 676 | Inorganic Chemistry | 2 | 37 | 43 | 129 |
| 676 | Organizational Behavior | 5 | 37 | 422 | 903 |
| 676 | motivation | 2 | 37 | 450 | 576 |
| 680 | Econometrics | 3 | 36 | 1330 | 1388 |
| 680 | Quality Control | 1 | 36 | 2580 | 2381 |
| 680 | Inflammation | 2 | 36 | 1175 | 1560 |
| 680 | food handling | 1 | 36 | 1515 | 1598 |
| 680 | cooling | 1 | 36 | 102 | 33 |
| 680 | vapor-liquid equilibrium | 1 | 36 | 102 | 33 |
| 680 | Maps | 2 | 36 | 204 | 225 |
| 680 | DNA | 3 | 36 | 579 | 817 |
| 688 | Ophthalmology | 2 | 35 | 1589 | 1780 |
| 688 | Genetic Toxicology | 1 | 35 | 752 | 821 |
| 688 | Hydraulic Engineering | 3 | 35 | 819 | 1087 |
| 688 | Public Administration | 1 | 35 | 2006 | 1482 |
| 688 | Music | 4 | 35 | 744 | 891 |
| 688 | Remote Sensing | 1 | 35 | 2260 | 1588 |
| 688 | mutation | 1 | 35 | 838 | 895 |
| 688 | Ultrasonics | 3 | 35 | 1199 | 1845 |
| 688 | Autoimmunity | 2 | 35 | 724 | 1004 |
| 688 | Ferroelectricity | 3 | 35 | 990 | 996 |
| 688 | glycoproteins | 2 | 35 | 511 | 701 |
| 688 | Glycoconjugates | 2 | 35 | 511 | 701 |
| 688 | Oligosaccharides | 2 | 35 | 293 | 422 |
| 688 | Middle East | 2 | 35 | 1285 | 1056 |
| 688 | administrative agencies | 1 | 35 | 543 | 402 |
| 688 | civil service | 1 | 35 | 625 | 539 |
| 688 | Ultrasound | 3 | 35 | 696 | 997 |
| 688 | lasers | 5 | 35 | 1682 | 2259 |
| 688 | glycolipids | 2 | 35 | 511 | 701 |
| 688 | Radio frequency | 3 | 35 | 434 | 644 |
| 708 | Computational Mathematics | 3 | 34 | 106 | 184 |
| 708 | Measurement | 2 | 34 | 1636 | 1795 |
| 708 | risk factors | 1 | 34 | 936 | 848 |
| 708 | Cardiovascular diseases | 1 | 34 | 1845 | 1594 |
| 708 | Geobiology | 1 | 34 | 671 | 696 |
| 713 | Information Technology | 3 | 33 | 2452 | 2940 |
| 713 | Nanochemistry | 5 | 33 | 964 | 1756 |
| 713 | Hydrology | 5 | 33 | 1821 | 2776 |
| 713 | Culture techniques | 9 | 33 | 124 | 381 |
| 717 | Nutrition | 6 | 32 | 2598 | 4238 |
| 717 | Earthquake Engineering | 2 | 32 | 1433 | 1712 |
| 717 | Forest Ecology | 2 | 32 | 1142 | 1508 |
| 717 | Diabetes mellitus | 4 | 32 | 1366 | 2202 |
| 717 | Artificial Organs | 1 | 32 | 828 | 678 |
| 717 | Quantum Communication | 1 | 32 | 318 | 349 |
| 717 | micromechanics | 3 | 32 | 596 | 854 |
| 717 | Knowledge | 4 | 32 | 427 | 525 |
| 717 | Forest Management | 2 | 32 | 1103 | 1428 |
| 717 | Reproduction | 1 | 32 | 2500 | 2288 |
| 717 | psychotherapy | 1 | 32 | 1710 | 1471 |
| 717 | drug development | 1 | 32 | 1301 | 1427 |
| 717 | cell physiology | 2 | 32 | 1392 | 1858 |
| 717 | liver | 1 | 32 | 481 | 460 |
| 717 | Nonlinear systems | 2 | 32 | 750 | 825 |
| 717 | Diabetes | 4 | 32 | 1413 | 2222 |
| 733 | Kalman Filtering | 2 | 31 | 158 | 115 |
| 733 | Ornithology | 4 | 31 | 807 | 1061 |
| 733 | Alloys | 2 | 31 | 382 | 269 |
| 733 | Birds | 4 | 31 | 957 | 1192 |
| 733 | motor skills | 3 | 31 | 205 | 328 |
| 738 | Urology | 1 | 30 | 1546 | 1463 |
| 738 | Embryology | 2 | 30 | 1384 | 1753 |
| 738 | Behavioral Genetics | 2 | 30 | 284 | 424 |
| 738 | Antigens | 1 | 30 | 955 | 932 |
| 738 | Japan | 2 | 30 | 2098 | 2141 |
| 738 | environmental issues | 3 | 30 | 400 | 837 |
| 738 | Eigenvalues | 6 | 30 | 137 | 106 |
| 745 | Thermodynamics | 2 | 29 | 1489 | 1372 |
| 745 | Cardiovascular Pharmacology | 2 | 29 | 313 | 463 |
| 745 | digital preservation | 1 | 29 | 157 | 143 |
| 745 | Sarcopenia | 2 | 29 | 446 | 741 |
| 745 | Continuum Mechanics | 2 | 29 | 216 | 253 |
| 745 | Securities industry | 2 | 29 | 19 | 38 |
| 745 | Muscles | 2 | 29 | 829 | 1134 |
| 745 | financial instruments | 2 | 29 | 13 | 32 |
| 745 | synthesis | 2 | 29 | 1338 | 1273 |
| 745 | Stress | 4 | 29 | 201 | 584 |
| 755 | Health Policy | 1 | 28 | 2868 | 2542 |
| 755 | Psychoneuroimmunology | 2 | 28 | 675 | 1056 |
| 755 | health services accessibility | 1 | 28 | 1439 | 1327 |
| 755 | Neuroimmunology | 2 | 28 | 748 | 1144 |
| 755 | Radiobiology | 2 | 28 | 1193 | 1439 |
| 755 | Fiber Optics | 5 | 28 | 712 | 1174 |
| 755 | elasticity | 1 | 28 | 421 | 345 |
| 755 | particles | 2 | 28 | 1270 | 1557 |
| 755 | Women's health | 1 | 28 | 1934 | 1735 |
| 764 | Quantum electronics | 3 | 27 | 1546 | 1834 |
| 764 | Corporate Social Responsibility | 1 | 27 | 636 | 892 |
| 764 | environmental auditing | 1 | 27 | 659 | 904 |
| 764 | Strategic planning | 2 | 27 | 958 | 1226 |
| 764 | polar regions | 3 | 27 | 611 | 900 |
| 764 | Computer Literacy | 1 | 27 | 472 | 491 |
| 764 | Alzheimer's disease | 5 | 27 | 961 | 1248 |
| 764 | Navier-Stokes equations | 3 | 27 | 151 | 199 |
| 764 | freshwater biology | 4 | 27 | 754 | 1377 |
| 764 | Soil ecology | 2 | 27 | 932 | 1365 |
| 774 | Electrical Engineering | 6 | 26 | 2268 | 2949 |
| 774 | Pharmacy | 1 | 26 | 2536 | 2574 |
| 774 | emergency management | 3 | 26 | 689 | 1195 |
| 774 | Soil dynamics | 1 | 26 | 810 | 849 |
| 774 | Rheology | 4 | 26 | 471 | 864 |
| 779 | Robotics | 2 | 25 | 1888 | 2141 |
| 779 | Hydrogeology | 1 | 25 | 1094 | 1106 |
| 779 | Urban Economics | 1 | 25 | 591 | 656 |
| 779 | Solar Energy | 1 | 25 | 2458 | 2672 |
| 779 | Geothermal Energy | 1 | 25 | 473 | 525 |
| 779 | solar power | 1 | 25 | 1283 | 1493 |
| 779 | Intelligence | 3 | 25 | 246 | 457 |
| 779 | Technological Innovations | 4 | 25 | 901 | 1694 |
| 779 | Turbulence | 4 | 25 | 190 | 372 |
| 779 | Radioisotopes | 4 | 25 | 890 | 1287 |
| 779 | urban population | 1 | 25 | 385 | 499 |
| 779 | solar cells | 1 | 25 | 1355 | 1568 |
| 779 | population geography | 2 | 25 | 484 | 693 |
| 792 | Applied Sciences | 2 | 24 | 31 | 101 |
| 792 | Cytogenetics | 1 | 24 | 1646 | 1764 |
| 792 | Applied Mechanics | 2 | 24 | 31 | 101 |
| 792 | Nanophotonics | 2 | 24 | 409 | 637 |
| 792 | Random graphs | 2 | 24 | 199 | 212 |
| 792 | isomerism | 2 | 24 | 419 | 562 |
| 792 | atmosphere | 3 | 24 | 746 | 1302 |
| 792 | Germany | 1 | 24 | 1147 | 598 |
| 792 | Vision | 5 | 24 | 487 | 975 |
| 792 | Cerebellum | 1 | 24 | 486 | 524 |
| 792 | Chirality | 2 | 24 | 419 | 562 |
| 792 | Cerebellar ataxia | 1 | 24 | 486 | 524 |
| 792 | Chronic diseases | 5 | 24 | 440 | 944 |
| 805 | Humanities | 4 | 23 | 1647 | 2303 |
| 805 | Soil biology | 1 | 23 | 1248 | 1516 |
| 805 | moral development | 1 | 23 | 252 | 295 |
| 805 | Solitons | 1 | 23 | 1861 | 1808 |
| 805 | Fractals | 1 | 23 | 1869 | 1812 |
| 805 | Computational Complexity | 2 | 23 | 1271 | 1447 |
| 805 | Pesticides | 2 | 23 | 827 | 1155 |
| 805 | Chaos | 1 | 23 | 1861 | 1808 |
| 805 | Telecommunication | 4 | 23 | 2173 | 3016 |
| 805 | Sedimentary rocks | 1 | 23 | 931 | 985 |
| 805 | Peasants | 1 | 23 | 209 | 245 |
| 805 | Autonomous robots | 1 | 23 | 328 | 410 |
| 817 | Graph Theory | 5 | 22 | 561 | 807 |
| 817 | Risk Management | 1 | 22 | 1192 | 1197 |
| 817 | Multivariate Analysis | 2 | 22 | 688 | 821 |
| 817 | Scheduling | 2 | 22 | 187 | 300 |
| 817 | Production Scheduling | 2 | 22 | 187 | 300 |
| 817 | Financial management | 1 | 22 | 819 | 979 |
| 817 | Genes | 3 | 22 | 1036 | 1603 |
| 824 | Constitutional Law | 2 | 21 | 172 | 91 |
| 824 | International Law | 2 | 21 | 486 | 277 |
| 824 | Aesthetics | 1 | 21 | 406 | 159 |
| 824 | Electrophoresis | 2 | 21 | 1745 | 2241 |
| 824 | Drug design | 4 | 21 | 1240 | 2246 |
| 824 | Cognitive Therapy | 2 | 21 | 732 | 1009 |
| 824 | Geriatric Oncology | 1 | 21 | 807 | 961 |
| 824 | Celestial Mechanics | 1 | 21 | 307 | 288 |
| 824 | France | 4 | 21 | 353 | 485 |
| 824 | constitutional courts | 2 | 21 | 84 | 64 |
| 824 | Visual arts education | 1 | 21 | 47 | 8 |
| 824 | software | 1 | 21 | 1586 | 1783 |
| 836 | Musicology | 2 | 20 | 279 | 295 |
| 836 | Civil Engineering | 5 | 20 | 1162 | 1785 |
| 836 | symbiosis | 2 | 20 | 183 | 383 |
| 836 | Bifurcation Theory | 1 | 20 | 520 | 495 |
| 836 | Social problems | 2 | 20 | 726 | 1071 |
| 836 | Paleobotany | 1 | 20 | 314 | 390 |
| 836 | Vegetation dynamics | 1 | 20 | 294 | 373 |
| 843 | Chemical Ecology | 1 | 19 | 808 | 1020 |
| 843 | Discrete Mathematics | 1 | 19 | 717 | 371 |
| 843 | Plasma chemistry | 2 | 19 | 482 | 728 |
| 843 | Flow chemistry | 2 | 19 | 34 | 65 |
| 843 | Human evolution | 1 | 19 | 631 | 786 |
| 843 | Cognitive Grammar | 1 | 19 | 151 | 148 |
| 843 | Photobiology | 4 | 19 | 1179 | 2243 |
| 843 | graph | 1 | 19 | 717 | 371 |
| 843 | marketing | 2 | 19 | 2127 | 2687 |
| 843 | Plasma polymerization | 2 | 19 | 313 | 499 |
| 843 | pheromones | 1 | 19 | 761 | 971 |
| 843 | Safety management | 1 | 19 | 1161 | 1095 |
| 843 | Combinatorial analysis | 3 | 19 | 1039 | 1098 |
| 843 | Microscopy | 2 | 19 | 1602 | 1868 |
| 843 | Isotopes | 3 | 19 | 91 | 263 |
| 858 | Sociolinguistics | 3 | 18 | 472 | 727 |
| 858 | Political Sociology | 1 | 18 | 790 | 746 |
| 858 | Process Control | 1 | 18 | 1477 | 1817 |
| 858 | body temperature | 2 | 18 | 689 | 1111 |
| 862 | Clinical Psychology | 6 | 17 | 799 | 1759 |
| 862 | Pharmacognosy | 1 | 17 | 2501 | 2882 |
| 862 | Human Geography | 2 | 17 | 1263 | 1629 |
| 862 | Neurotoxicology | 2 | 17 | 698 | 1309 |
| 862 | Regional Planning | 1 | 17 | 2111 | 2157 |
| 862 | Genetic disorders | 1 | 17 | 570 | 689 |
| 862 | Environmental Geochemistry | 1 | 17 | 1117 | 1307 |
| 862 | insurance | 2 | 17 | 467 | 642 |
| 862 | Genetic therapy | 2 | 17 | 981 | 1448 |
| 862 | Soviet Union | 2 | 17 | 887 | 904 |
| 872 | Pharmacogenetics | 3 | 16 | 792 | 1410 |
| 872 | radiative transfer | 4 | 16 | 511 | 919 |
| 872 | Protozoa | 2 | 16 | 502 | 813 |
| 872 | Tunneling | 1 | 16 | 536 | 741 |
| 872 | underground construction | 1 | 16 | 536 | 741 |
| 877 | Youth | 1 | 15 | 1086 | 1279 |
| 877 | Animal | 1 | 15 | 333 | 451 |
| 879 | Radiology | 2 | 14 | 1384 | 1748 |
| 879 | Medical Technology | 1 | 14 | 2314 | 2592 |
| 879 | Landscape Ecology | 1 | 14 | 723 | 1009 |
| 879 | Food Microbiology | 2 | 14 | 1402 | 2291 |
| 879 | Neurotransmitters | 1 | 14 | 771 | 714 |
| 879 | pain management | 1 | 14 | 882 | 1001 |
| 879 | Lipids | 1 | 14 | 1708 | 2047 |
| 879 | Granular materials | 1 | 14 | 1061 | 1378 |
| 879 | natural gas | 1 | 14 | 619 | 822 |
| 879 | Drug discovery | 1 | 14 | 465 | 623 |
| 879 | pain | 2 | 14 | 1316 | 1842 |
| 879 | identity recognition | 1 | 14 | 96 | 125 |
| 891 | Nuclear Medicine | 3 | 13 | 776 | 1208 |
| 891 | Internet of Things | 1 | 13 | 1592 | 1890 |
| 891 | Health Education | 2 | 13 | 2010 | 2704 |
| 891 | cultural policy | 2 | 13 | 284 | 434 |
| 891 | Autism spectrum disorders | 1 | 13 | 112 | 187 |
| 891 | Qualitative Research | 1 | 13 | 880 | 1018 |
| 891 | international trade | 2 | 13 | 925 | 1324 |
| 891 | Tropical Medicine | 1 | 13 | 2345 | 2635 |
| 891 | internet | 1 | 13 | 2331 | 2524 |
| 891 | commerce | 2 | 13 | 1907 | 2544 |
| 891 | recreation | 2 | 13 | 816 | 1128 |
| 891 | Plasma devices | 1 | 13 | 479 | 582 |
| 891 | Phylogeny | 1 | 13 | 1284 | 1703 |
| 904 | Medical Laboratory Science | 2 | 12 | 2044 | 3121 |
| 904 | Energy Policy | 1 | 12 | 3364 | 3943 |
| 904 | Algebra | 2 | 12 | 1673 | 1635 |
| 904 | Electromagnetic compatibility | 1 | 12 | 566 | 667 |
| 904 | Social Issues | 1 | 12 | 467 | 619 |
| 904 | Socialization | 1 | 12 | 883 | 1175 |
| 904 | Symplectic Geometry | 1 | 12 | 125 | 88 |
| 904 | water supply | 2 | 12 | 998 | 1673 |
| 912 | Structural Engineering | 2 | 11 | 1720 | 2290 |
| 912 | Epigenetics | 1 | 11 | 438 | 596 |
| 912 | Comparative Physiology | 1 | 11 | 1102 | 1409 |
| 912 | Industrial Safety | 2 | 11 | 1447 | 2088 |
| 912 | Computational Linguistics | 1 | 11 | 1069 | 1044 |
| 912 | Epigenomics | 1 | 11 | 429 | 590 |
| 912 | electric vehicles | 1 | 11 | 521 | 705 |
| 912 | Language and Logic | 1 | 11 | 163 | 153 |
| 912 | Extreme Value Theory | 1 | 11 | 160 | 187 |
| 912 | Wetland ecology | 1 | 11 | 854 | 1069 |
| 912 | Gerontology | 3 | 11 | 1709 | 2609 |
| 912 | Wetland conservation | 1 | 11 | 628 | 843 |
| 912 | World Bank | 1 | 11 | 99 | 189 |
| 912 | Dementia | 2 | 11 | 1337 | 1476 |
| 912 | plankton | 2 | 11 | 250 | 505 |
| 912 | Yeast | 1 | 11 | 679 | 915 |
| 912 | Navigation | 2 | 11 | 358 | 511 |
| 912 | Wetlands | 1 | 11 | 639 | 848 |
| 930 | Geriatric Psychiatry | 2 | 10 | 1040 | 1722 |
| 930 | cosmic rays | 1 | 10 | 695 | 835 |
| 930 | Apoptosis | 1 | 10 | 516 | 843 |
| 930 | neurotoxins | 1 | 10 | 516 | 843 |
| 930 | Neurotoxic agents | 1 | 10 | 516 | 843 |
| 930 | infection | 1 | 10 | 1917 | 2404 |
| 930 | Social support | 1 | 10 | 291 | 476 |
| 930 | Social environment | 1 | 10 | 308 | 496 |
| 930 | Parkinson's disease | 1 | 10 | 403 | 622 |
| 930 | Landslides | 1 | 10 | 461 | 727 |
| 930 | Nerve regeneration | 1 | 10 | 516 | 843 |
| 941 | Physical Therapy | 1 | 9 | 1710 | 2013 |
| 941 | Obstetrics | 1 | 9 | 2458 | 2904 |
| 941 | Underwater Archaeology | 2 | 9 | 139 | 213 |
| 941 | Career development | 1 | 9 | 819 | 1027 |
| 941 | Public Spaces | 1 | 9 | 182 | 236 |
| 941 | Industrial Ecology | 1 | 9 | 323 | 542 |
| 941 | Medical Anthropology | 3 | 9 | 1147 | 2314 |
| 941 | footwear | 2 | 9 | 67 | 139 |
| 941 | personal space | 1 | 9 | 173 | 228 |
| 941 | Scandinavia | 1 | 9 | 974 | 1191 |
| 951 | Plant Genetics | 1 | 8 | 1030 | 1411 |
| 951 | Food Safety | 1 | 8 | 591 | 891 |
| 951 | Computer Vision | 2 | 8 | 1320 | 1984 |
| 951 | Applied Linguistics | 1 | 8 | 1030 | 1104 |
| 951 | Bipolar Disorder | 1 | 8 | 481 | 701 |
| 951 | Chromatography | 1 | 8 | 2176 | 2638 |
| 951 | Moon | 1 | 8 | 293 | 328 |
| 951 | Asia | 1 | 8 | 4057 | 4347 |
| 951 | DNA repair | 1 | 8 | 457 | 695 |
| 951 | Chromatographic analysis | 1 | 8 | 2430 | 2839 |
| 951 | food industry | 1 | 8 | 1412 | 1793 |
| 962 | Macroeconomics | 1 | 7 | 656 | 771 |
| 962 | Social Movements | 1 | 7 | 299 | 415 |
| 962 | Language Acquisition | 1 | 7 | 609 | 773 |
| 962 | Neonatology | 1 | 7 | 939 | 1328 |
| 962 | Language Development | 1 | 7 | 237 | 366 |
| 962 | Micropaleontology | 2 | 7 | 168 | 322 |
| 962 | Radiochemistry | 1 | 7 | 1523 | 1699 |
| 962 | Coding Theory | 2 | 7 | 474 | 704 |
| 962 | Biofilms | 2 | 7 | 205 | 626 |
| 962 | financial markets | 1 | 7 | 48 | 35 |
| 962 | Social policy | 1 | 7 | 1627 | 2011 |
| 962 | England | 2 | 7 | 222 | 218 |
| 962 | concrete | 1 | 7 | 1323 | 1736 |
| 962 | Cement | 1 | 7 | 867 | 1180 |
| 962 | Developed countries | 1 | 7 | 454 | 651 |
| 962 | Spain | 1 | 7 | 680 | 489 |
| 978 | Ecological Genetics | 3 | 6 | 651 | 1383 |
| 978 | Atmospheric Physics | 3 | 6 | 1396 | 2516 |
| 978 | Electronic Packaging | 1 | 6 | 371 | 511 |
| 978 | Language Policy | 1 | 6 | 218 | 406 |
| 978 | Geopolitics | 1 | 6 | 500 | 716 |
| 978 | Social perception | 1 | 6 | 247 | 384 |
| 978 | Sovereignty | 1 | 6 | 262 | 422 |
| 978 | Energy metabolism | 3 | 6 | 539 | 1062 |
| 978 | Molecular Imaging | 1 | 6 | 743 | 988 |
| 978 | Electrochemical Analysis | 2 | 6 | 1792 | 2662 |
| 978 | Art | 1 | 6 | 621 | 443 |
| 978 | Ocean Engineering | 1 | 6 | 2109 | 2640 |
| 978 | Fixed Point Theory | 1 | 6 | 582 | 610 |
| 978 | Hallucinogens | 1 | 6 | 332 | 560 |
| 978 | Elderly | 1 | 6 | 1719 | 1603 |
| 978 | older people | 1 | 6 | 2134 | 2323 |
| 978 | Language planning | 1 | 6 | 345 | 393 |
| 978 | Stem cells | 2 | 6 | 1298 | 2072 |
| 978 | Paleopathology | 1 | 6 | 520 | 660 |
| 978 | drug abuse | 1 | 6 | 979 | 1347 |
| 998 | Occupational Health | 2 | 5 | 1232 | 2089 |
| 998 | Special Education | 2 | 5 | 956 | 1496 |
| 998 | Higher Education | 1 | 5 | 1101 | 1502 |