| 1 | Chemistry | 404 | 7.6K | 901 | 1396 |
| 2 | Chemical Engineering | 181 | 6.2K | 476 | 582 |
| 3 | Biotechnology | 156 | 5.6K | 723 | 862 |
| 4 | Molecular Biology | 181 | 5.2K | 1062 | 1417 |
| 5 | Biochemistry | 195 | 5.2K | 1317 | 1514 |
| 6 | Medicine | 134 | 4.8K | 1655 | 1732 |
| 7 | Biomedical Engineering | 134 | 4.4K | 557 | 563 |
| 8 | Physics | 261 | 3.8K | 1123 | 2486 |
| 9 | Catalysis | 96 | 3.7K | 707 | 746 |
| 10 | Electrochemistry | 101 | 3.4K | 649 | 479 |
| 11 | Nuclear Physics | 171 | 3.2K | 803 | 894 |
| 12 | Renewable Energy Sources | 51 | 3.2K | 377 | 456 |
| 13 | Biology | 81 | 3.2K | 2025 | 2652 |
| 14 | Bioengineering | 80 | 3.0K | 683 | 882 |
| 15 | Biochemical Engineering | 48 | 2.8K | 712 | 830 |
| 16 | Analytical Chemistry | 91 | 2.8K | 818 | 816 |
| 17 | Statistical physics | 107 | 2.5K | 663 | 657 |
| 18 | Electrical Engineering | 88 | 2.4K | 582 | 305 |
| 19 | Microbiology | 80 | 2.3K | 1366 | 1700 |
| 20 | Science | 120 | 2.3K | 1696 | 3263 |
| 21 | Research | 99 | 2.2K | 1577 | 1951 |
| 22 | Energy Policy | 32 | 2.0K | 629 | 511 |
| 23 | actuators | 29 | 2.0K | 603 | 327 |
| 23 | transducers | 29 | 2.0K | 603 | 327 |
| 25 | Polymers | 104 | 2.0K | 835 | 990 |
| 26 | Colloids | 52 | 2.0K | 969 | 928 |
| 27 | Spectrum analysis | 60 | 2.0K | 938 | 955 |
| 28 | Cell Biology | 43 | 1.9K | 1134 | 1359 |
| 29 | Nanotechnology | 83 | 1.9K | 1060 | 1383 |
| 30 | Surface Chemistry | 55 | 1.8K | 947 | 922 |
| 31 | Mathematics | 213 | 1.8K | 754 | 961 |
| 32 | Biocompatible Materials | 50 | 1.8K | 991 | 1145 |
| 33 | Molecular Spectroscopy | 50 | 1.8K | 208 | 115 |
| 34 | Biosensors | 21 | 1.6K | 349 | 280 |
| 35 | Bioelectronics | 20 | 1.6K | 279 | 245 |
| 36 | Technology | 49 | 1.5K | 915 | 772 |
| 37 | Statistics | 119 | 1.5K | 287 | 492 |
| 38 | Composite Materials | 31 | 1.5K | 800 | 728 |
| 39 | Organic Chemistry | 67 | 1.5K | 649 | 806 |
| 40 | Materials | 64 | 1.4K | 1643 | 1838 |
| 41 | environmental protection | 56 | 1.4K | 538 | 797 |
| 42 | Biophysics | 59 | 1.4K | 1455 | 1673 |
| 43 | Ecology | 37 | 1.4K | 1967 | 2202 |
| 44 | Pollution | 48 | 1.3K | 1436 | 1913 |
| 45 | Environmental Health | 55 | 1.3K | 1139 | 1603 |
| 46 | energy conservation | 36 | 1.3K | 386 | 573 |
| 47 | Building Materials | 29 | 1.3K | 489 | 505 |
| 48 | Genetic engineering | 39 | 1.2K | 403 | 554 |
| 49 | Molecular cloning | 39 | 1.2K | 190 | 225 |
| 50 | Optics | 137 | 1.2K | 719 | 991 |
| 51 | Physiology | 45 | 1.2K | 1050 | 1239 |
| 52 | Nuclear Engineering | 78 | 1.2K | 248 | 230 |
| 53 | environmental pollution | 29 | 1.2K | 1498 | 1473 |
| 54 | Recombinant DNA | 39 | 1.2K | 209 | 255 |
| 55 | Nuclear Energy | 75 | 1.2K | 129 | 127 |
| 55 | Genetic recombination | 38 | 1.2K | 184 | 228 |
| 57 | Organometallic chemistry | 51 | 1.2K | 243 | 196 |
| 58 | Materials Science | 49 | 1.2K | 1327 | 1517 |
| 59 | Condensed Matter | 59 | 1.1K | 982 | 1077 |
| 60 | Pharmacology | 52 | 1.1K | 1401 | 1710 |
| 61 | Water | 21 | 1.1K | 893 | 879 |
| 62 | Botany | 41 | 1.1K | 1171 | 1316 |
| 63 | Sports Medicine | 47 | 1.1K | 524 | 574 |
| 64 | Signal Processing | 53 | 1.1K | 550 | 739 |
| 65 | Solid State Physics | 56 | 1.1K | 1099 | 1170 |
| 66 | Environment | 22 | 1.0K | 1891 | 2180 |
| 67 | Nutrition | 41 | 1.0K | 1083 | 1364 |
| 68 | Engineering | 50 | 1.0K | 959 | 928 |
| 69 | polymerization | 66 | 1.0K | 906 | 1200 |
| 70 | Neurology | 45 | 976 | 1467 | 1979 |
| 71 | Water pollution | 18 | 973 | 1109 | 961 |
| 72 | Pharmaceutical Chemistry | 32 | 957 | 1266 | 1383 |
| 73 | Cytology | 37 | 941 | 1323 | 1895 |
| 74 | mass transfer | 22 | 937 | 543 | 436 |
| 75 | Environmental Engineering | 51 | 936 | 777 | 1274 |
| 76 | Environmental monitoring | 25 | 910 | 1318 | 1417 |
| 77 | Earth Sciences | 76 | 909 | 514 | 990 |
| 78 | city planning | 11 | 906 | 784 | 312 |
| 79 | Drug delivery systems | 30 | 893 | 268 | 461 |
| 80 | Artificial Intelligence | 61 | 884 | 755 | 1188 |
| 81 | Bioenergetics | 19 | 883 | 228 | 216 |
| 82 | United States | 41 | 879 | 1237 | 1365 |
| 83 | Urban Policy | 8 | 812 | 379 | 125 |
| 84 | Nanostructured Materials | 36 | 792 | 1020 | 1222 |
| 85 | Algebra | 132 | 786 | 60 | 157 |
| 86 | System analysis | 34 | 785 | 598 | 619 |
| 87 | Plant physiology | 24 | 763 | 730 | 905 |
| 88 | Mathematical Physics | 39 | 759 | 819 | 790 |
| 89 | synthesis | 39 | 751 | 90 | 59 |
| 90 | Fracture mechanics | 19 | 736 | 515 | 361 |
| 91 | Environmental Management | 27 | 735 | 857 | 1232 |
| 92 | Business | 6 | 728 | 1624 | 807 |
| 93 | Heat Exchangers | 23 | 727 | 264 | 356 |
| 94 | Geology | 64 | 723 | 718 | 1050 |
| 94 | Food | 22 | 723 | 1094 | 1133 |
| 96 | Geophysics | 34 | 720 | 1170 | 1394 |
| 97 | Operations Research | 35 | 713 | 592 | 693 |
| 98 | Neurophysiology | 23 | 703 | 1045 | 1244 |
| 99 | Power Electronics | 22 | 701 | 344 | 436 |
| 100 | Photochemistry | 18 | 699 | 599 | 465 |
| 100 | Photobiology | 18 | 699 | 374 | 292 |
| 102 | Nervous system | 24 | 685 | 767 | 1031 |
| 103 | Chemical processes | 20 | 682 | 127 | 83 |
| 104 | Engineering Geology | 25 | 676 | 407 | 485 |
| 104 | Tourism | 16 | 676 | 566 | 549 |
| 106 | Toxicology | 25 | 673 | 1763 | 1958 |
| 107 | Rock Mechanics | 11 | 671 | 465 | 317 |
| 108 | Ultrasonics | 18 | 662 | 356 | 357 |
| 109 | Marine Biology | 11 | 657 | 1393 | 982 |
| 110 | nuclear power | 35 | 655 | 94 | 64 |
| 111 | Electrochemical Analysis | 31 | 652 | 344 | 421 |
| 112 | Diet | 22 | 649 | 679 | 962 |
| 113 | Oncology | 23 | 631 | 734 | 1422 |
| 114 | computer networks | 42 | 623 | 522 | 835 |
| 115 | Bioorganic chemistry | 20 | 615 | 1176 | 1187 |
| 116 | coal | 14 | 613 | 677 | 669 |
| 117 | Telecommunication | 31 | 609 | 780 | 946 |
| 117 | Fuzzy systems | 26 | 609 | 301 | 212 |
| 119 | biological factors | 22 | 603 | 564 | 603 |
| 120 | Organometallic compounds | 34 | 597 | 252 | 401 |
| 121 | Soil Mechanics | 10 | 586 | 629 | 447 |
| 122 | Sonochemistry | 16 | 584 | 108 | 194 |
| 123 | proteins | 15 | 568 | 950 | 808 |
| 124 | Environmental Policy | 17 | 566 | 1272 | 1594 |
| 125 | Electronics | 43 | 547 | 993 | 1287 |
| 126 | Asia | 18 | 536 | 994 | 581 |
| 127 | Sports | 21 | 530 | 718 | 676 |
| 128 | Measurement | 23 | 527 | 281 | 307 |
| 129 | Mechanical Engineering | 34 | 522 | 650 | 644 |
| 129 | Nanostructures | 24 | 522 | 657 | 960 |
| 131 | Marine Pollution | 8 | 520 | 691 | 508 |
| 132 | Information Theory | 29 | 510 | 363 | 508 |
| 132 | Green Chemistry | 10 | 510 | 1004 | 936 |
| 134 | Calorimetry | 20 | 508 | 258 | 187 |
| 134 | Thermal analysis | 20 | 508 | 258 | 187 |
| 136 | Automation | 19 | 506 | 896 | 1040 |
| 137 | Numerical Analysis | 20 | 504 | 901 | 687 |
| 138 | Structural Engineering | 29 | 503 | 489 | 624 |
| 139 | Surface-Active Agents | 12 | 500 | 385 | 395 |
| 139 | Surface properties | 12 | 500 | 428 | 439 |
| 141 | Industrial Engineering | 33 | 499 | 425 | 673 |
| 142 | enzymes | 11 | 497 | 761 | 625 |
| 143 | Environmental Chemistry | 12 | 496 | 1042 | 1113 |
| 144 | Behavior | 22 | 493 | 1074 | 1605 |
| 145 | Sustainable Engineering | 12 | 490 | 779 | 754 |
| 145 | cell physiology | 8 | 490 | 938 | 851 |
| 147 | Plastics | 17 | 488 | 632 | 490 |
| 147 | Molecular structure | 37 | 488 | 501 | 943 |
| 149 | Genetics | 22 | 485 | 1458 | 2229 |
| 150 | Physical Therapy | 6 | 476 | 861 | 534 |
| 150 | Plant diseases | 19 | 476 | 780 | 761 |
| 152 | Water quality management | 15 | 470 | 745 | 598 |
| 153 | Geodesy | 16 | 467 | 178 | 145 |
| 154 | Information Technology | 25 | 465 | 698 | 903 |
| 155 | human behavior | 21 | 464 | 796 | 1373 |
| 156 | Total Quality Management | 20 | 463 | 45 | 54 |
| 157 | probabilities | 25 | 461 | 424 | 305 |
| 158 | Pharmaceutical Technology | 14 | 458 | 648 | 633 |
| 159 | Biomass Energy | 15 | 455 | 1112 | 1373 |
| 160 | innovation | 14 | 438 | 159 | 364 |
| 160 | Cancer | 25 | 438 | 1339 | 2033 |
| 162 | Clinical Chemistry | 12 | 436 | 1513 | 1521 |
| 163 | Enzyme | 7 | 434 | 247 | 176 |
| 164 | Biomechanics | 15 | 433 | 552 | 566 |
| 165 | Plants | 21 | 429 | 764 | 1090 |
| 166 | electric vehicles | 4 | 427 | 261 | 88 |
| 167 | Analytical Biochemistry | 16 | 417 | 656 | 709 |
| 168 | marketing | 9 | 413 | 1070 | 875 |
| 169 | Molecules | 44 | 411 | 268 | 548 |
| 170 | Information Science | 23 | 409 | 748 | 1098 |
| 171 | Radiation | 30 | 407 | 537 | 780 |
| 171 | Psychophysiology | 18 | 407 | 1128 | 1503 |
| 173 | Exercise | 21 | 401 | 413 | 484 |
| 174 | Industrial Safety | 17 | 390 | 316 | 363 |
| 175 | Aging | 12 | 389 | 1475 | 1296 |
| 176 | soil microbiology | 17 | 386 | 549 | 1005 |
| 177 | internet | 7 | 381 | 996 | 671 |
| 178 | Internet of Things | 6 | 380 | 766 | 506 |
| 178 | mathematical analysis | 43 | 380 | 666 | 819 |
| 180 | Solar Energy | 17 | 375 | 565 | 902 |
| 181 | rehabilitation | 11 | 372 | 1108 | 1014 |
| 182 | Egypt | 3 | 369 | 453 | 115 |
| 183 | Robotics | 10 | 368 | 988 | 761 |
| 183 | Radiochemistry | 23 | 368 | 272 | 267 |
| 185 | Telecommunication Systems | 43 | 364 | 195 | 508 |
| 186 | China | 32 | 363 | 733 | 1177 |
| 187 | Cybernetics | 7 | 359 | 1050 | 794 |
| 188 | Nuclear Chemistry | 22 | 357 | 322 | 321 |
| 189 | drugs | 11 | 350 | 1101 | 1003 |
| 190 | complementary therapies | 13 | 339 | 829 | 777 |
| 191 | Metabolism | 10 | 338 | 1512 | 1778 |
| 191 | Wireless Communication Systems | 42 | 338 | 549 | 1063 |
| 193 | Physical Chemistry | 24 | 333 | 801 | 1212 |
| 193 | Nanoparticles | 7 | 333 | 1281 | 1023 |
| 195 | Educational Technology | 12 | 329 | 665 | 594 |
| 196 | Ergonomics | 3 | 322 | 986 | 362 |
| 197 | Industrial Microbiology | 17 | 320 | 698 | 1226 |
| 198 | management | 22 | 318 | 1267 | 1805 |
| 199 | Plant Ecology | 8 | 314 | 1095 | 1143 |
| 200 | Petroleum Engineering | 11 | 312 | 360 | 325 |
| 201 | Alternative Medicine | 11 | 311 | 898 | 823 |
| 202 | Geochemistry | 13 | 310 | 1027 | 1214 |
| 202 | Neural circuitry | 17 | 310 | 714 | 1081 |
| 204 | Agricultural Chemistry | 7 | 309 | 1617 | 1344 |
| 205 | Psychology | 56 | 308 | 1036 | 2432 |
| 205 | Developmental Disabilities | 5 | 308 | 731 | 560 |
| 207 | Civil Engineering | 29 | 303 | 471 | 510 |
| 207 | pigments | 8 | 303 | 437 | 325 |
| 209 | Paleontology | 34 | 301 | 347 | 581 |
| 210 | Solid State Chemistry | 15 | 299 | 1202 | 1214 |
| 211 | Zeolites | 6 | 296 | 606 | 513 |
| 212 | Library Science | 16 | 294 | 367 | 185 |
| 213 | Environmental Geology | 19 | 293 | 533 | 908 |
| 214 | Surveying | 15 | 290 | 42 | 15 |
| 215 | Tropical Medicine | 4 | 286 | 1671 | 793 |
| 216 | Biodiversity | 18 | 285 | 820 | 1318 |
| 217 | infrared radiation | 7 | 283 | 340 | 118 |
| 218 | Virology | 11 | 282 | 1660 | 2439 |
| 219 | Radioisotopes | 19 | 281 | 350 | 378 |
| 220 | Engineering Mathematics | 21 | 277 | 916 | 898 |
| 220 | Earthquake Engineering | 12 | 277 | 641 | 739 |
| 222 | Geotechnical Engineering | 4 | 275 | 591 | 332 |
| 223 | Simulation Methods | 10 | 271 | 392 | 283 |
| 224 | Combustion | 8 | 270 | 747 | 678 |
| 225 | nanoscience | 16 | 269 | 1371 | 1957 |
| 226 | Sedimentary rocks | 23 | 268 | 89 | 323 |
| 227 | Computational Biology | 20 | 266 | 1024 | 1669 |
| 228 | Image Processing | 20 | 260 | 831 | 1356 |
| 228 | Multimedia Systems | 29 | 260 | 399 | 773 |
| 230 | carbonate rocks | 22 | 253 | 13 | 11 |
| 231 | Meteorology | 17 | 248 | 927 | 1613 |
| 231 | Carbon | 3 | 248 | 1317 | 1053 |
| 231 | Membranes | 6 | 248 | 1254 | 1289 |
| 234 | Combinatorial chemistry | 12 | 245 | 351 | 589 |
| 235 | Education | 32 | 242 | 1121 | 1586 |
| 236 | Hospitality industry | 9 | 240 | 126 | 129 |
| 237 | Chemical analysis | 6 | 239 | 835 | 686 |
| 238 | Child psychology | 4 | 238 | 1177 | 983 |
| 239 | Functional Analysis | 15 | 235 | 559 | 575 |
| 239 | Nanobiotechnology | 3 | 235 | 415 | 324 |
| 241 | Pharmacy | 8 | 233 | 1300 | 1300 |
| 241 | cytokines | 8 | 233 | 801 | 938 |
| 243 | Geriatrics | 12 | 228 | 1478 | 1664 |
| 243 | natural gas | 6 | 228 | 256 | 208 |
| 245 | Luminescence | 13 | 227 | 521 | 583 |
| 246 | Biodegradation | 7 | 226 | 383 | 446 |
| 247 | Quantum Optics | 23 | 225 | 222 | 408 |
| 247 | Chemical industry | 12 | 225 | 589 | 541 |
| 247 | Atomic spectroscopy | 23 | 225 | 310 | 578 |
| 247 | Laser Spectroscopy | 23 | 225 | 186 | 375 |
| 251 | Occupational Health | 7 | 223 | 642 | 479 |
| 251 | industrial hygiene | 7 | 223 | 640 | 350 |
| 253 | Atmospheric Physics | 5 | 221 | 1227 | 1098 |
| 253 | infection | 3 | 221 | 1719 | 1173 |
| 253 | Ore deposits | 9 | 221 | 271 | 342 |
| 256 | Europe | 14 | 219 | 1436 | 1649 |
| 257 | Control Theory | 15 | 217 | 776 | 936 |
| 258 | amino acids | 4 | 215 | 488 | 341 |
| 259 | Psychiatry | 15 | 211 | 1979 | 2942 |
| 259 | Pharmacognosy | 3 | 211 | 1893 | 1355 |
| 261 | Proteomics | 1 | 210 | 1809 | 875 |
| 262 | Immunology | 19 | 207 | 1626 | 2958 |
| 263 | Paleobiology | 23 | 206 | 49 | 86 |
| 264 | Occupational Therapy | 7 | 205 | 607 | 283 |
| 265 | Neurochemistry | 5 | 204 | 1829 | 1724 |
| 266 | Manufacturing Processes | 10 | 203 | 1283 | 1427 |
| 267 | Mining Engineering | 3 | 201 | 600 | 310 |
| 267 | Systems Engineering | 23 | 201 | 658 | 1261 |
| 267 | Atmospheric Chemistry | 3 | 201 | 873 | 805 |
| 267 | Environmental pollutants | 11 | 201 | 1192 | 1698 |
| 267 | Heterocyclic compounds | 9 | 201 | 528 | 325 |
| 272 | Neurotoxicology | 6 | 200 | 332 | 373 |
| 272 | Apoptosis | 6 | 200 | 111 | 131 |
| 272 | neurotoxins | 6 | 200 | 111 | 131 |
| 272 | Neurotoxic agents | 6 | 200 | 111 | 131 |
| 272 | Nerve regeneration | 6 | 200 | 111 | 131 |
| 277 | Geographic information systems | 8 | 199 | 611 | 447 |
| 277 | Islam | 9 | 199 | 228 | 83 |
| 279 | pollutants | 10 | 198 | 1001 | 1492 |
| 279 | lasers | 32 | 198 | 543 | 1170 |
| 281 | Gastrointestinal diseases | 2 | 197 | 955 | 320 |
| 282 | Thermodynamics | 11 | 195 | 560 | 453 |
| 283 | commerce | 9 | 194 | 874 | 906 |
| 284 | Corporate governance | 2 | 193 | 732 | 322 |
| 285 | Medicinal plants | 2 | 192 | 1829 | 1106 |
| 286 | Orthopedics | 3 | 191 | 1626 | 1024 |
| 287 | Human-Computer Interaction | 10 | 189 | 791 | 1007 |
| 287 | Ocean Engineering | 8 | 189 | 1028 | 1133 |
| 289 | Physical fitness | 19 | 188 | 332 | 686 |
| 289 | Stem cells | 5 | 188 | 1274 | 1253 |
| 289 | catalytic activity | 2 | 188 | 764 | 475 |
| 292 | Travel | 1 | 186 | 1504 | 389 |
| 292 | Bacterial infections | 1 | 186 | 1494 | 853 |
| 292 | plant molecular biology | 2 | 186 | 1706 | 1418 |
| 295 | Microbial Biotechnology | 11 | 185 | 312 | 625 |
| 296 | peptides | 7 | 183 | 541 | 399 |
| 297 | Information Systems | 6 | 180 | 967 | 916 |
| 298 | Nonlinear functional analysis | 7 | 179 | 743 | 637 |
| 298 | Vocational guidance | 4 | 179 | 706 | 595 |
| 298 | Middle East | 22 | 179 | 200 | 337 |
| 301 | Diabetes mellitus | 13 | 178 | 953 | 1803 |
| 301 | Food additives | 3 | 178 | 1195 | 944 |
| 301 | hydrocolloids | 3 | 178 | 581 | 629 |
| 301 | Diabetes | 13 | 178 | 1017 | 1867 |
| 305 | Green Technology | 3 | 177 | 393 | 147 |
| 306 | Bioremediation | 7 | 176 | 410 | 589 |
| 306 | Detectors | 12 | 176 | 766 | 978 |
| 308 | Petroleum Geology | 7 | 175 | 334 | 394 |
| 309 | Clinical Psychology | 3 | 173 | 1366 | 1182 |
| 309 | Production Engineering | 13 | 173 | 898 | 1118 |
| 309 | Photonics | 10 | 173 | 1157 | 1504 |
| 309 | health planning | 7 | 173 | 1396 | 1261 |
| 313 | Quality Control | 7 | 172 | 1147 | 1218 |
| 313 | Proteome | 2 | 172 | 1434 | 1050 |
| 315 | Computer Engineering | 13 | 170 | 282 | 448 |
| 316 | Metabolic diseases | 12 | 169 | 1156 | 2128 |
| 317 | Nutrition physiology | 8 | 167 | 382 | 574 |
| 317 | Bioinformatics | 9 | 167 | 1282 | 1650 |
| 319 | Developmental Biology | 3 | 166 | 1954 | 1816 |
| 320 | Clinical Pharmacology | 4 | 165 | 1285 | 1010 |
| 320 | Genomics | 14 | 165 | 1559 | 2661 |
| 320 | Medical Physics | 9 | 165 | 1004 | 1291 |
| 323 | Molecular evolution | 11 | 164 | 718 | 1325 |
| 324 | Multiple sclerosis | 12 | 163 | 205 | 249 |
| 325 | Child | 8 | 162 | 1437 | 1591 |
| 326 | Mineralogy | 7 | 161 | 909 | 933 |
| 327 | Petrology | 9 | 160 | 582 | 728 |
| 328 | Soil Science | 11 | 158 | 999 | 1504 |
| 329 | Climatology | 15 | 157 | 741 | 1406 |
| 329 | Highway Engineering | 10 | 157 | 185 | 205 |
| 329 | Bioinorganic chemistry | 4 | 157 | 1247 | 1019 |
| 332 | Public Health | 16 | 153 | 2567 | 4504 |
| 332 | Intellectual disability | 7 | 153 | 500 | 538 |
| 334 | Ceramic materials | 6 | 151 | 963 | 925 |
| 335 | dietary supplements | 8 | 149 | 373 | 629 |
| 335 | Geodynamics | 21 | 149 | 299 | 735 |
| 337 | Paleoclimatology | 12 | 147 | 529 | 927 |
| 337 | Paleoecology | 12 | 147 | 490 | 849 |
| 337 | food technology | 6 | 147 | 1804 | 2089 |
| 340 | vibration | 13 | 145 | 546 | 857 |
| 340 | particles | 8 | 145 | 500 | 650 |
| 340 | Radiation effects | 4 | 145 | 507 | 553 |
| 343 | Probiotics | 3 | 144 | 132 | 74 |
| 343 | Japan | 8 | 144 | 1228 | 1143 |
| 345 | Medical genetics | 9 | 143 | 1654 | 2688 |
| 346 | Medical Oncology | 8 | 142 | 1061 | 1615 |
| 346 | carbon monoxide | 2 | 142 | 431 | 303 |
| 348 | Hematology | 6 | 140 | 2072 | 2341 |
| 348 | Chromosome mapping | 4 | 140 | 1650 | 1761 |
| 348 | gene mapping | 4 | 140 | 1799 | 1998 |
| 351 | Computer Science | 17 | 139 | 771 | 1221 |
| 351 | Horticulture | 2 | 139 | 1023 | 483 |
| 351 | Plant Biotechnology | 2 | 139 | 1020 | 692 |
| 351 | Multilingualism | 7 | 139 | 115 | 156 |
| 351 | Optical materials | 8 | 139 | 1748 | 2213 |
| 356 | Immunochemistry | 6 | 136 | 684 | 752 |
| 356 | Evolution | 13 | 136 | 886 | 1606 |
| 358 | Mechatronics | 7 | 135 | 537 | 708 |
| 359 | Molecular Genetics | 3 | 133 | 1800 | 1829 |
| 360 | Granular materials | 7 | 132 | 278 | 438 |
| 361 | preimplantation genetic diagnosis | 1 | 131 | 802 | 318 |
| 361 | embryo transfer | 1 | 131 | 826 | 332 |
| 363 | Structural design | 14 | 130 | 172 | 456 |
| 364 | Fractals | 7 | 129 | 784 | 880 |
| 365 | Phytochemistry | 5 | 128 | 134 | 196 |
| 365 | Remote Sensing | 41 | 128 | 187 | 881 |
| 365 | Phytoremediation | 5 | 128 | 134 | 196 |
| 365 | environmental remediation | 5 | 128 | 182 | 224 |
| 365 | Bioreactors | 5 | 128 | 134 | 196 |
| 370 | Geography | 20 | 127 | 812 | 1711 |
| 370 | Hematopoietic stem cell transplantation | 2 | 127 | 586 | 471 |
| 370 | Marriage | 12 | 127 | 164 | 326 |
| 370 | radioactive waste | 3 | 127 | 815 | 1082 |
| 370 | industrial waste | 3 | 127 | 843 | 1078 |
| 370 | Hazardous waste | 3 | 127 | 952 | 1142 |
| 370 | drug evaluation | 5 | 127 | 1092 | 1094 |
| 377 | Medical Technology | 10 | 126 | 868 | 1492 |
| 377 | Pharmacokinetics | 4 | 126 | 807 | 787 |
| 377 | Solitons | 6 | 126 | 721 | 806 |
| 377 | Chaos | 6 | 126 | 721 | 806 |
| 381 | Child Development | 3 | 125 | 1840 | 1618 |
| 381 | Intelligent Control Systems | 9 | 125 | 526 | 484 |
| 381 | Immunity | 4 | 125 | 1679 | 2299 |
| 384 | Geomagnetism | 2 | 124 | 721 | 488 |
| 385 | Sustainable Development | 9 | 123 | 1099 | 1869 |
| 385 | Cryptography | 13 | 123 | 195 | 281 |
| 385 | Plant Morphology | 6 | 123 | 368 | 410 |
| 385 | software | 4 | 123 | 899 | 1013 |
| 389 | Drying | 9 | 122 | 155 | 284 |
| 389 | Porous materials | 6 | 122 | 475 | 431 |
| 391 | bioclimatology | 12 | 120 | 291 | 763 |
| 391 | soil pollution | 2 | 120 | 770 | 383 |
| 391 | Growth factors | 3 | 120 | 273 | 423 |
| 391 | Cytokine | 3 | 120 | 396 | 486 |
| 395 | sadness | 1 | 119 | 486 | 109 |
| 395 | death | 1 | 119 | 629 | 146 |
| 395 | Suicide | 1 | 119 | 960 | 417 |
| 395 | antisocial personality disorder | 1 | 119 | 486 | 109 |
| 399 | Dermatology | 7 | 117 | 1154 | 1359 |
| 399 | Geriatric Oncology | 3 | 117 | 573 | 583 |
| 401 | Evidence-Based Medicine | 3 | 116 | 1354 | 1004 |
| 401 | Health | 4 | 116 | 1917 | 1777 |
| 401 | behavior therapy | 6 | 116 | 534 | 712 |
| 404 | Human genetics | 5 | 114 | 1709 | 3228 |
| 404 | Marine Geology | 5 | 114 | 476 | 527 |
| 404 | cultural pluralism | 3 | 114 | 382 | 205 |
| 407 | Immunotherapy | 5 | 113 | 1544 | 2033 |
| 407 | Marine Ecology | 1 | 113 | 1192 | 583 |
| 407 | Immunopharmacology | 5 | 113 | 818 | 962 |
| 407 | ecosystem | 1 | 113 | 2014 | 1417 |
| 411 | Nanochemistry | 7 | 112 | 790 | 991 |
| 411 | Autism | 1 | 112 | 1116 | 717 |
| 413 | Quantum electronics | 17 | 111 | 658 | 1224 |
| 414 | Neuropsychology | 7 | 110 | 1459 | 1990 |
| 414 | biological evolution | 2 | 110 | 2424 | 2172 |
| 414 | Phylogeny | 2 | 110 | 1118 | 1035 |
| 417 | Linguistics | 38 | 109 | 324 | 860 |
| 417 | Flexible manufacturing systems | 3 | 109 | 366 | 333 |
| 417 | Social Change | 4 | 109 | 841 | 1156 |
| 417 | Brain | 6 | 109 | 1822 | 2413 |
| 421 | Phytotherapy | 2 | 108 | 1155 | 801 |
| 421 | Catalysts | 7 | 108 | 386 | 550 |
| 423 | Soil dynamics | 5 | 107 | 353 | 444 |
| 424 | Mechanics | 14 | 106 | 527 | 853 |
| 425 | Medical Microbiology | 4 | 105 | 1983 | 2453 |
| 426 | Computer Graphics | 16 | 103 | 698 | 1416 |
| 426 | Health Services Research | 5 | 103 | 1306 | 1434 |
| 426 | Applied Linguistics | 9 | 103 | 254 | 358 |
| 426 | Educational Psychology | 3 | 103 | 1343 | 1134 |
| 426 | Combinatorial optimization | 11 | 103 | 134 | 188 |
| 426 | machinery | 8 | 103 | 411 | 591 |
| 432 | Psychosomatic Medicine | 2 | 102 | 905 | 813 |
| 432 | Africa | 17 | 102 | 524 | 957 |
| 434 | Educational measurement | 1 | 100 | 339 | 125 |
| 434 | drug therapy | 3 | 100 | 2262 | 2231 |
| 436 | Quality Assurance | 4 | 99 | 246 | 202 |
| 436 | Building | 4 | 99 | 644 | 503 |
| 438 | Medical Laboratory Science | 8 | 98 | 1385 | 2498 |
| 438 | Functional foods | 1 | 98 | 796 | 346 |
| 438 | Lipids | 5 | 98 | 1019 | 1480 |
| 441 | Diagnostic Imaging | 7 | 97 | 1391 | 1839 |
| 442 | Environmental Toxicology | 6 | 96 | 1785 | 2703 |
| 443 | Materials Engineering | 7 | 95 | 367 | 447 |
| 443 | Computer Architecture | 2 | 95 | 687 | 334 |
| 443 | Semiconductors | 8 | 95 | 1315 | 1593 |
| 443 | Quantum Gravity | 4 | 95 | 1682 | 1578 |
| 443 | environmental exposure | 4 | 95 | 1708 | 2014 |
| 448 | air quality management | 6 | 94 | 280 | 542 |
| 449 | individual differences | 1 | 93 | 475 | 317 |
| 449 | Communication | 9 | 93 | 1183 | 1746 |
| 451 | textile fibers | 6 | 92 | 235 | 232 |
| 451 | Immune system | 3 | 92 | 1037 | 1389 |
| 453 | Nursing | 6 | 91 | 1300 | 1324 |
| 453 | Pediatrics | 11 | 91 | 1210 | 2544 |
| 455 | occupational diseases | 4 | 89 | 719 | 962 |
| 456 | Dynamics | 14 | 88 | 794 | 1305 |
| 457 | Kinesiology | 3 | 87 | 150 | 113 |
| 458 | Health Services Administration | 5 | 86 | 759 | 1016 |
| 458 | Kinetics | 2 | 86 | 654 | 398 |
| 458 | Parasitology | 7 | 86 | 1672 | 2189 |
| 458 | Reproduction | 4 | 86 | 2017 | 2191 |
| 462 | Waste management | 6 | 85 | 1040 | 1273 |
| 462 | Microprocessors | 3 | 85 | 632 | 483 |
| 462 | Paleobiogeography | 10 | 85 | 20 | 42 |
| 465 | Drug design | 8 | 84 | 1007 | 1876 |
| 466 | Data Mining | 4 | 83 | 1398 | 1804 |
| 466 | Energy Storage | 4 | 83 | 1148 | 1275 |
| 466 | Hypertension | 1 | 83 | 2300 | 2015 |
| 466 | Water Microbiology | 3 | 83 | 467 | 507 |
| 470 | Chronobiology | 2 | 82 | 657 | 459 |
| 470 | Cosmology | 11 | 82 | 720 | 953 |
| 470 | Computer Vision | 8 | 82 | 638 | 1304 |
| 470 | Systems Analysis | 11 | 82 | 467 | 979 |
| 470 | Social Psychology | 6 | 82 | 1459 | 2042 |
| 470 | biological clocks | 2 | 82 | 657 | 459 |
| 470 | circadian rhythm | 2 | 82 | 657 | 459 |
| 470 | biological rhythms | 2 | 82 | 628 | 452 |
| 478 | Soft Condensed Matter | 5 | 81 | 855 | 1130 |
| 478 | Cell differentiation | 3 | 81 | 1682 | 2189 |
| 478 | hazard mitigation | 8 | 81 | 441 | 1009 |
| 478 | natural products | 7 | 81 | 1204 | 1623 |
| 482 | Energy Conversion | 3 | 80 | 1266 | 1561 |
| 482 | Teaching | 5 | 80 | 1322 | 1333 |
| 482 | Emulsions | 10 | 80 | 109 | 223 |
| 482 | natural disasters | 7 | 80 | 802 | 1437 |
| 486 | Clinical Biochemistry | 9 | 79 | 646 | 1265 |
| 486 | Quantum theory | 8 | 79 | 526 | 812 |
| 488 | Coding Theory | 6 | 78 | 216 | 207 |
| 488 | Ultrasonic Imaging | 2 | 78 | 644 | 524 |
| 488 | irreversible processes | 3 | 78 | 21 | 18 |
| 488 | Nonequilibrium thermodynamics | 3 | 78 | 21 | 18 |
| 488 | Ultrasound | 2 | 78 | 891 | 780 |
| 493 | Economics | 8 | 77 | 2753 | 3127 |
| 493 | Exercise therapy | 7 | 77 | 169 | 310 |
| 495 | Circadian rhythms | 1 | 76 | 698 | 431 |
| 495 | Cognitive Science | 7 | 76 | 903 | 1637 |
| 495 | Aquatic ecology | 2 | 76 | 1159 | 910 |
| 498 | Environmental Microbiology | 2 | 75 | 1727 | 1909 |
| 498 | Drug targeting | 3 | 75 | 293 | 467 |
| 498 | Primary health care | 4 | 75 | 1505 | 1719 |
| 498 | biopolymers | 3 | 75 | 1210 | 1295 |
| 498 | Fouling | 2 | 75 | 323 | 340 |
| 503 | Photogrammetry | 30 | 74 | 119 | 328 |
| 503 | solar power | 3 | 74 | 855 | 1158 |
| 503 | solar cells | 3 | 74 | 927 | 1249 |
| 506 | Divorce | 9 | 73 | 33 | 92 |
| 506 | Nonlinear Dynamics | 4 | 73 | 1845 | 1920 |
| 506 | irrigation | 1 | 73 | 747 | 355 |
| 509 | Thermochemistry | 4 | 72 | 444 | 497 |
| 509 | Mycology | 3 | 72 | 1654 | 1686 |
| 509 | Learning | 10 | 72 | 668 | 1337 |
| 509 | ecotourism | 1 | 72 | 433 | 281 |
| 509 | Aquaculture | 3 | 72 | 1401 | 1411 |
| 514 | Obstetrics | 4 | 71 | 2022 | 2308 |
| 514 | Computer-Aided Design | 5 | 71 | 943 | 1214 |
| 514 | Liposomes | 1 | 71 | 924 | 634 |
| 514 | biochemical markers | 5 | 71 | 642 | 896 |
| 518 | Plate Tectonics | 5 | 70 | 184 | 284 |
| 518 | epilepsy | 5 | 70 | 689 | 983 |
| 518 | Sulfur | 7 | 70 | 32 | 55 |
| 518 | Australia | 8 | 70 | 1090 | 1738 |
| 522 | Systems Biology | 4 | 69 | 1360 | 1814 |
| 522 | Organizational change | 3 | 69 | 706 | 709 |
| 522 | Monomers | 8 | 69 | 20 | 58 |
| 522 | Algae | 2 | 69 | 886 | 830 |
| 522 | color | 1 | 69 | 504 | 210 |
| 527 | Particle Physics | 6 | 68 | 557 | 635 |
| 527 | Algorithms | 5 | 68 | 525 | 594 |
| 527 | Paleogeography | 4 | 68 | 795 | 1069 |
| 530 | Epidemiology | 4 | 67 | 3377 | 4143 |
| 530 | Smart Materials | 8 | 67 | 397 | 809 |
| 530 | Genetic testing | 4 | 67 | 256 | 256 |
| 530 | Biomarkers | 4 | 67 | 323 | 449 |
| 534 | Drug delivery devices | 1 | 66 | 506 | 456 |
| 535 | Molecular Pharmacology | 1 | 65 | 1286 | 1129 |
| 535 | behavioral medicine | 2 | 65 | 1581 | 1786 |
| 535 | Islamic Architecture | 1 | 65 | 229 | 89 |
| 535 | soil conservation | 1 | 65 | 1396 | 985 |
| 539 | Software Engineering | 6 | 64 | 824 | 1067 |
| 539 | Discourse Analysis | 8 | 64 | 171 | 367 |
| 539 | Food Microbiology | 3 | 64 | 1230 | 1803 |
| 542 | Geomorphology | 3 | 63 | 1334 | 1667 |
| 542 | Bacteriology | 2 | 63 | 2158 | 2488 |
| 544 | Municipal Engineering | 2 | 62 | 492 | 463 |
| 544 | Medical innovations | 3 | 62 | 1019 | 1987 |
| 544 | Natural history | 8 | 62 | 2477 | 5787 |
| 547 | Nanoelectronics | 5 | 61 | 669 | 725 |
| 547 | Microelectronics | 5 | 61 | 1477 | 2010 |
| 547 | movement | 2 | 61 | 390 | 438 |
| 547 | Biomass | 3 | 61 | 619 | 1068 |
| 547 | organization | 4 | 61 | 650 | 948 |
| 547 | Semiconductor industry | 5 | 61 | 490 | 593 |
| 553 | Learning disabilities | 5 | 60 | 591 | 828 |
| 553 | Chemical structure | 8 | 60 | 205 | 393 |
| 553 | Southeast Asia | 6 | 60 | 228 | 278 |
| 556 | Game Theory | 3 | 59 | 584 | 524 |
| 556 | Psycholinguistics | 6 | 59 | 652 | 1050 |
| 556 | Biogeochemistry | 3 | 59 | 1100 | 1548 |
| 559 | motivation | 4 | 58 | 257 | 411 |
| 560 | Product life cycle | 2 | 57 | 396 | 505 |
| 560 | mutagens | 2 | 57 | 1003 | 1261 |
| 560 | green products | 2 | 57 | 359 | 487 |
| 560 | biomedicine | 3 | 57 | 996 | 1207 |
| 564 | geological modeling | 4 | 56 | 391 | 524 |
| 564 | Parasites | 4 | 56 | 1425 | 1810 |
| 566 | Distance Education | 1 | 55 | 941 | 511 |
| 566 | Stochastic Processes | 10 | 55 | 423 | 882 |
| 566 | Sedimentology | 1 | 55 | 1062 | 794 |
| 566 | Family | 3 | 55 | 929 | 1008 |
| 570 | fuel cells | 3 | 54 | 1303 | 1627 |
| 570 | feeding behavior | 1 | 54 | 1122 | 1021 |
| 570 | Appetite | 1 | 54 | 996 | 928 |
| 573 | Structural dynamics | 7 | 53 | 680 | 1386 |
| 573 | Mental Health Services | 5 | 53 | 960 | 1479 |
| 573 | Computational Complexity | 6 | 53 | 725 | 984 |
| 573 | Agriculture | 1 | 53 | 3636 | 2601 |
| 577 | Endocrinology | 6 | 52 | 2226 | 3832 |
| 577 | Hydrology | 7 | 52 | 1758 | 2772 |
| 577 | Neurobiology | 2 | 52 | 1936 | 2316 |
| 577 | Cardiovascular diseases | 4 | 52 | 1436 | 1888 |
| 577 | nucleic acids | 6 | 52 | 1281 | 2367 |
| 577 | Metals | 8 | 52 | 1341 | 2374 |
| 583 | Intelligent Transportation Systems | 2 | 51 | 1341 | 1470 |
| 583 | Tissue Engineering | 3 | 51 | 315 | 445 |
| 583 | Regenerative Medicine | 3 | 51 | 114 | 144 |
| 583 | Forecasting | 3 | 51 | 537 | 667 |
| 583 | Social policy | 3 | 51 | 1025 | 1039 |
| 588 | Organizational learning | 9 | 50 | 90 | 416 |
| 588 | Post-traumatic stress disorder | 6 | 50 | 494 | 1026 |
| 588 | Navigation | 6 | 50 | 251 | 371 |
| 591 | Social Sciences | 19 | 49 | 1410 | 3258 |
| 591 | Statistical Mechanics | 5 | 49 | 883 | 880 |
| 591 | Superconductors | 3 | 49 | 988 | 905 |
| 591 | Socioeconomic Factors | 2 | 49 | 969 | 1135 |
| 591 | Superconductivity | 3 | 49 | 383 | 408 |
| 591 | Parasitic Diseases | 3 | 49 | 2063 | 2606 |
| 597 | Zoology | 6 | 48 | 1957 | 2650 |
| 597 | Astrophysics | 7 | 48 | 2082 | 2931 |
| 597 | Aerosols | 4 | 48 | 483 | 687 |
| 597 | Energy Harvesting | 1 | 48 | 742 | 860 |
| 601 | Nanomedicine | 1 | 47 | 486 | 462 |
| 601 | Biopharmaceutics | 3 | 47 | 1238 | 1673 |
| 601 | Radiography | 1 | 47 | 1341 | 1282 |
| 601 | Land use | 2 | 47 | 1413 | 1647 |
| 601 | Developmental Neurobiology | 4 | 47 | 440 | 689 |
| 601 | Iran | 23 | 47 | 14 | 88 |
| 607 | mutation | 2 | 46 | 780 | 1003 |
| 607 | drug resistance | 3 | 46 | 737 | 1168 |
| 607 | radar | 5 | 46 | 134 | 259 |
| 607 | Sonar | 5 | 46 | 126 | 239 |
| 611 | Career development | 4 | 45 | 314 | 450 |
| 611 | cloning | 1 | 45 | 1088 | 1205 |
| 613 | Telecommunications | 7 | 44 | 411 | 862 |
| 613 | Substance Abuse | 2 | 44 | 1653 | 1718 |
| 613 | Crystallography | 10 | 44 | 971 | 1359 |
| 613 | Communication in marketing | 1 | 44 | 329 | 244 |
| 613 | thinking | 2 | 44 | 354 | 401 |
| 613 | Creativity | 2 | 44 | 347 | 454 |
| 619 | Ophthalmology | 6 | 43 | 1297 | 2245 |
| 619 | Histology | 4 | 43 | 1660 | 2593 |
| 619 | Astronomy | 2 | 43 | 2813 | 3018 |
| 619 | pharmaceutical industry | 6 | 43 | 363 | 783 |
| 623 | Environmental Education | 3 | 42 | 359 | 481 |
| 623 | environmental indicators | 3 | 42 | 1143 | 1865 |
| 623 | Herbal medicine | 2 | 42 | 922 | 1380 |
| 623 | Calculus of Variations | 9 | 42 | 230 | 491 |
| 623 | Optoelectronic devices | 11 | 42 | 361 | 903 |
| 623 | magmatism | 13 | 42 | 6 | 23 |
| 623 | body temperature | 3 | 42 | 482 | 719 |
| 630 | Andrology | 2 | 40 | 827 | 954 |
| 630 | Energy Consumption | 2 | 40 | 504 | 762 |
| 630 | Cell death | 1 | 40 | 1774 | 2029 |
| 630 | Culture | 7 | 40 | 679 | 1042 |
| 630 | Women's health | 4 | 40 | 1070 | 1786 |
| 635 | Religion and Psychology | 5 | 39 | 308 | 591 |
| 635 | Microbial Metabolism | 1 | 39 | 420 | 519 |
| 635 | Planets | 2 | 39 | 1670 | 2188 |
| 635 | Allergy | 2 | 39 | 1361 | 1908 |
| 635 | Memory | 2 | 39 | 2101 | 2556 |
| 640 | Hydrogeology | 2 | 38 | 1023 | 1107 |
| 640 | Heterocyclic chemistry | 3 | 38 | 547 | 507 |
| 640 | Carcinogenesis | 1 | 38 | 1627 | 1685 |
| 640 | Adhesion | 2 | 38 | 879 | 895 |
| 640 | carcinogens | 1 | 38 | 1675 | 1679 |
| 640 | Cellulose | 5 | 38 | 407 | 1081 |
| 640 | adhesives | 2 | 38 | 937 | 906 |
| 640 | Emotions | 1 | 38 | 883 | 893 |
| 648 | Industrial Statistics | 6 | 37 | 77 | 199 |
| 648 | Metallurgy | 7 | 37 | 1669 | 2701 |
| 648 | Immunopathology | 1 | 37 | 1953 | 1951 |
| 648 | Powder Metallurgy | 2 | 37 | 440 | 227 |
| 648 | Gene expression regulation | 4 | 37 | 842 | 1541 |
| 648 | Genetic regulation | 4 | 37 | 1001 | 1856 |
| 648 | Language teaching | 4 | 37 | 33 | 101 |
| 648 | second language | 4 | 37 | 33 | 101 |
| 648 | biological agents | 2 | 37 | 910 | 385 |
| 648 | silicon | 3 | 37 | 349 | 410 |
| 658 | Histochemistry | 2 | 36 | 1339 | 1482 |
| 658 | Integrative Medicine | 3 | 36 | 252 | 284 |
| 658 | Technological Innovations | 4 | 36 | 914 | 1513 |
| 658 | Fluorescence | 2 | 36 | 599 | 568 |
| 658 | India | 6 | 36 | 1023 | 1359 |
| 663 | Simulation | 1 | 35 | 460 | 422 |
| 663 | Anti-inflammatory agents | 2 | 35 | 288 | 379 |
| 663 | Biofeedback | 2 | 35 | 134 | 287 |
| 663 | Metastasis | 1 | 35 | 369 | 580 |
| 663 | Fixed Point Theory | 10 | 35 | 78 | 235 |
| 663 | Inflammation | 2 | 35 | 1581 | 2159 |
| 663 | protein | 3 | 35 | 1263 | 1705 |
| 663 | theoretical models | 1 | 35 | 460 | 422 |
| 663 | psychotherapy | 4 | 35 | 1115 | 1695 |
| 663 | Combinatorial analysis | 10 | 35 | 566 | 887 |
| 663 | biomimicry | 1 | 35 | 280 | 291 |
| 663 | multimedia | 3 | 35 | 530 | 847 |
| 663 | Interactive multimedia | 3 | 35 | 628 | 936 |
| 676 | Food Preservation | 2 | 34 | 970 | 969 |
| 676 | Evolutionary Computation | 2 | 34 | 631 | 899 |
| 676 | Testing | 1 | 34 | 265 | 116 |
| 679 | Embryology | 2 | 33 | 1735 | 2296 |
| 679 | Traffic Engineering | 4 | 33 | 327 | 734 |
| 679 | Logistics | 2 | 33 | 653 | 940 |
| 679 | Inventory Control | 2 | 33 | 70 | 184 |
| 679 | gene therapy | 2 | 33 | 1356 | 1944 |
| 679 | Production Management | 2 | 33 | 1271 | 1772 |
| 679 | Genetic therapy | 2 | 33 | 1430 | 2015 |
| 679 | Bereavement | 3 | 33 | 171 | 252 |
| 679 | sports equipment | 1 | 33 | 120 | 37 |
| 688 | Pathology | 5 | 32 | 1853 | 3588 |
| 688 | Economic History | 2 | 32 | 4195 | 3532 |
| 688 | Psychiatric Nursing | 1 | 32 | 1128 | 906 |
| 688 | Mental Health | 4 | 32 | 1405 | 2268 |
| 688 | Mental Disorders | 3 | 32 | 2977 | 4309 |
| 688 | child abuse | 3 | 32 | 776 | 1296 |
| 694 | Neurosurgery | 3 | 31 | 960 | 1536 |
| 694 | Radiation Protection | 7 | 31 | 347 | 667 |
| 694 | radiation monitoring | 7 | 31 | 306 | 629 |
| 694 | Rheology | 3 | 31 | 524 | 778 |
| 694 | Holistic Health | 2 | 31 | 629 | 688 |
| 694 | Entropy | 2 | 31 | 1497 | 1474 |
| 694 | clay | 3 | 31 | 801 | 1491 |
| 694 | Chromosomes | 2 | 31 | 1194 | 1620 |
| 694 | Radiation dosimetry | 7 | 31 | 246 | 509 |
| 694 | investigative techniques | 1 | 31 | 302 | 379 |
| 704 | Ceramics | 2 | 30 | 1883 | 1934 |
| 704 | Public Policy | 3 | 30 | 1754 | 2757 |
| 704 | Electrophoresis | 2 | 30 | 2009 | 2506 |
| 704 | Immunogenetics | 4 | 30 | 614 | 1153 |
| 704 | Adaptive control systems | 2 | 30 | 741 | 786 |
| 709 | Oceanography | 3 | 29 | 1750 | 2393 |
| 709 | Database Management | 1 | 29 | 1310 | 1162 |
| 709 | Public Administration | 1 | 29 | 2165 | 1544 |
| 709 | Knowledge management | 3 | 29 | 539 | 664 |
| 709 | locomotion | 2 | 29 | 767 | 1057 |
| 709 | Swarm Intelligence | 1 | 29 | 528 | 581 |
| 709 | posture | 2 | 29 | 767 | 1057 |
| 709 | psychopathology | 1 | 29 | 484 | 538 |
| 709 | Mineral resources | 1 | 29 | 1030 | 1137 |
| 709 | counseling | 4 | 29 | 1070 | 1829 |
| 709 | data collection | 1 | 29 | 1901 | 1989 |
| 709 | data protection | 6 | 29 | 297 | 795 |
| 709 | gait | 2 | 29 | 767 | 1057 |
| 709 | walking | 2 | 29 | 767 | 1057 |
| 723 | Organizational Sociology | 1 | 28 | 607 | 549 |
| 723 | Health Policy | 1 | 28 | 3854 | 3505 |
| 723 | Vaccination | 1 | 28 | 576 | 632 |
| 723 | Wales | 7 | 28 | 27 | 121 |
| 723 | Antigens | 3 | 28 | 891 | 1407 |
| 723 | energy development | 2 | 28 | 1176 | 1664 |
| 723 | Vaccines | 1 | 28 | 3000 | 3073 |
| 730 | Music Therapy | 2 | 27 | 279 | 320 |
| 730 | Art Therapy | 2 | 27 | 235 | 289 |
| 730 | Regional Planning | 1 | 27 | 2365 | 2025 |
| 730 | Virtual reality | 2 | 27 | 534 | 686 |
| 730 | Adsorption | 4 | 27 | 137 | 401 |
| 730 | Risk assessment | 6 | 27 | 343 | 1015 |
| 730 | Dance therapy | 2 | 27 | 204 | 226 |
| 730 | Hallucinogens | 1 | 27 | 351 | 368 |
| 730 | Family Therapy | 3 | 27 | 688 | 995 |
| 730 | viruses | 1 | 27 | 2165 | 2595 |
| 730 | drug abuse | 1 | 27 | 1111 | 1035 |
| 741 | Plant Taxonomy | 2 | 26 | 529 | 653 |
| 741 | Transportation | 6 | 26 | 1141 | 2324 |
| 741 | Flow chemistry | 2 | 26 | 31 | 37 |
| 741 | Freezing | 1 | 26 | 615 | 493 |
| 741 | Kidney diseases | 1 | 26 | 1521 | 1559 |
| 746 | Radiology | 4 | 25 | 1289 | 1985 |
| 746 | Geometry | 7 | 25 | 831 | 1205 |
| 746 | Contraception | 2 | 25 | 704 | 1096 |
| 746 | Reproductive health | 2 | 25 | 1012 | 1472 |
| 746 | Water quality | 2 | 25 | 288 | 510 |
| 746 | Semigroups | 8 | 25 | 103 | 238 |
| 746 | curriculum evaluation | 1 | 25 | 594 | 585 |
| 746 | Antibodies | 1 | 25 | 1114 | 1168 |
| 746 | Water chemistry | 2 | 25 | 454 | 669 |
| 746 | gene transfer | 1 | 25 | 529 | 577 |
| 746 | aerosol | 2 | 25 | 473 | 650 |
| 746 | Birth control | 2 | 25 | 579 | 982 |
| 746 | genetic transformation | 1 | 25 | 529 | 577 |
| 759 | Computational Chemistry | 1 | 24 | 1113 | 1132 |
| 759 | Process Control | 2 | 24 | 1085 | 1727 |
| 759 | Pediatric Nursing | 1 | 24 | 668 | 636 |
| 759 | Poetry | 1 | 24 | 85 | 24 |
| 759 | Obstetric Nursing | 1 | 24 | 404 | 397 |
| 759 | Greenhouse gases | 1 | 24 | 626 | 835 |
| 759 | Popular culture | 2 | 24 | 660 | 448 |
| 759 | Database Security | 4 | 24 | 48 | 176 |
| 759 | Stress | 1 | 24 | 550 | 617 |
| 759 | Genes | 3 | 24 | 1216 | 1989 |
| 769 | Information visualization | 1 | 23 | 401 | 279 |
| 769 | embryonic development | 1 | 23 | 736 | 864 |
| 769 | structural stability | 4 | 23 | 415 | 839 |
| 769 | Solutions | 3 | 23 | 386 | 579 |
| 769 | Geospatial data | 1 | 23 | 65 | 97 |
| 774 | Oral Medicine | 2 | 22 | 846 | 1021 |
| 774 | Animal breeding | 1 | 22 | 1219 | 1265 |
| 774 | preventive medicine | 1 | 22 | 2074 | 2281 |
| 774 | Memory disorders | 1 | 22 | 476 | 481 |
| 774 | personality | 2 | 22 | 1617 | 2187 |
| 774 | electroplating | 1 | 22 | 107 | 68 |
| 774 | Safety management | 2 | 22 | 775 | 1015 |
| 774 | surface preparation | 1 | 22 | 89 | 68 |
| 774 | Decision making | 4 | 22 | 1304 | 2484 |
| 774 | plant oils | 1 | 22 | 441 | 477 |
| 774 | Breeding | 1 | 22 | 1852 | 1957 |
| 785 | Archaeology | 3 | 21 | 1338 | 1680 |
| 785 | Transportation Engineering | 3 | 21 | 496 | 853 |
| 785 | Audiology | 3 | 21 | 727 | 1163 |
| 785 | Fluid Mechanics | 5 | 21 | 1359 | 2412 |
| 785 | Community Psychiatry | 2 | 21 | 1199 | 1845 |
| 785 | Probability | 2 | 21 | 728 | 1024 |
| 785 | Metallic Glasses | 3 | 21 | 442 | 836 |
| 785 | Strategic planning | 2 | 21 | 950 | 1295 |
| 785 | child mental health | 2 | 21 | 531 | 803 |
| 785 | Communication Disorders | 3 | 21 | 305 | 491 |
| 785 | Groundwater | 2 | 21 | 875 | 1204 |
| 785 | clay minerals | 2 | 21 | 362 | 618 |
| 785 | finance | 4 | 21 | 2046 | 2855 |
| 798 | Microbial Ecology | 2 | 20 | 2635 | 4108 |
| 798 | Counseling Psychology | 2 | 20 | 290 | 482 |
| 798 | Forest Ecology | 1 | 20 | 1593 | 1890 |
| 798 | Action Research | 2 | 20 | 306 | 438 |
| 798 | Access to Information | 1 | 20 | 377 | 520 |
| 798 | big data | 1 | 20 | 1172 | 1158 |
| 798 | Forest Management | 1 | 20 | 1544 | 1782 |
| 798 | drug development | 2 | 20 | 1371 | 2462 |
| 798 | Information dissemination | 1 | 20 | 377 | 520 |
| 807 | Landscape Architecture | 1 | 19 | 358 | 202 |
| 807 | Cross-Cultural Studies | 3 | 19 | 650 | 1293 |
| 807 | Mutagenesis | 1 | 19 | 935 | 1050 |
| 807 | Computational Fluid Dynamics | 2 | 19 | 831 | 1150 |
| 807 | Radiobiology | 2 | 19 | 1682 | 2352 |
| 807 | blood transfusion | 2 | 19 | 877 | 1234 |
| 807 | Adolescent | 5 | 19 | 1608 | 3290 |
| 807 | nucleotides | 4 | 19 | 298 | 497 |
| 807 | Chromatographic analysis | 3 | 19 | 2010 | 3003 |
| 807 | motor skills | 2 | 19 | 258 | 408 |
| 817 | Dentistry | 3 | 18 | 740 | 1055 |
| 817 | Physical Geography | 3 | 18 | 576 | 973 |
| 817 | Marine Geophysics | 1 | 18 | 517 | 537 |
| 817 | Mass Media | 1 | 18 | 1544 | 976 |
| 817 | Marine mineral resources | 1 | 18 | 335 | 309 |
| 817 | Enteral nutrition | 1 | 18 | 1278 | 1700 |
| 817 | Parenteral nutrition | 1 | 18 | 1514 | 1946 |
| 817 | Radio wave propagation | 3 | 18 | 903 | 1290 |
| 817 | Glass | 1 | 18 | 1723 | 1904 |
| 817 | pottery | 1 | 18 | 1659 | 1846 |
| 817 | Seabed | 1 | 18 | 335 | 309 |
| 828 | Sociology | 8 | 17 | 1851 | 4660 |
| 828 | Cloud Computing | 2 | 17 | 475 | 839 |
| 828 | Mobile Computing | 3 | 17 | 1347 | 1976 |
| 828 | Asthma | 1 | 17 | 1206 | 1326 |
| 828 | Computational Intelligence | 7 | 17 | 582 | 1851 |
| 828 | Randomized Controlled Trials | 3 | 17 | 1147 | 2087 |
| 828 | philology | 13 | 17 | 323 | 272 |
| 828 | Visual Perception | 1 | 17 | 2573 | 2880 |
| 828 | Microstructure | 5 | 17 | 607 | 1416 |
| 828 | Attention | 1 | 17 | 2666 | 3043 |
| 828 | Perception | 1 | 17 | 2771 | 3110 |
| 828 | Allergies | 1 | 17 | 310 | 376 |
| 840 | Humanities | 7 | 16 | 1211 | 2468 |
| 840 | Surgery | 1 | 16 | 2769 | 3135 |
| 840 | International Relations | 4 | 16 | 1032 | 1347 |
| 840 | Historic Preservation | 1 | 16 | 277 | 271 |
| 840 | Biological Systems | 3 | 16 | 823 | 1523 |
| 840 | Biotransformation | 2 | 16 | 166 | 314 |
| 840 | Chemical kinetics | 2 | 16 | 992 | 1154 |
| 840 | cross-cultural comparison | 2 | 16 | 656 | 1098 |
| 848 | Demography | 2 | 15 | 880 | 1349 |
| 848 | Oxidative stress | 1 | 15 | 1943 | 2682 |
| 848 | Cellular senescence | 1 | 15 | 1422 | 2039 |
| 848 | Spectroscopy | 2 | 15 | 268 | 281 |
| 848 | DNS | 1 | 15 | 992 | 1288 |
| 848 | Korea | 1 | 15 | 697 | 608 |
| 848 | water supply | 2 | 15 | 1120 | 1840 |
| 848 | medical education | 4 | 15 | 1480 | 3004 |
| 848 | DNA | 1 | 15 | 1165 | 1366 |
| 848 | school failure | 1 | 15 | 119 | 120 |
| 858 | Polymer Engineering | 1 | 14 | 272 | 285 |
| 858 | Tribology | 1 | 14 | 1850 | 2032 |
| 858 | Visual Communication | 3 | 14 | 476 | 906 |
| 858 | Cartography | 2 | 14 | 711 | 796 |
| 858 | Hydraulic Engineering | 5 | 14 | 875 | 1829 |
| 858 | Social Networks | 1 | 14 | 645 | 773 |
| 858 | Distributed Databases | 1 | 14 | 323 | 360 |
| 858 | Online social networks | 1 | 14 | 664 | 793 |
| 858 | Image enhancement | 3 | 14 | 337 | 812 |
| 858 | Human Capital | 6 | 14 | 94 | 587 |
| 858 | Chromatography | 2 | 14 | 2054 | 2985 |
| 858 | Anxiety Disorders | 1 | 14 | 832 | 1219 |
| 858 | Anxiety | 1 | 14 | 832 | 1217 |
| 858 | Semiotics | 4 | 14 | 295 | 399 |
| 858 | nuclear reactors | 8 | 14 | 5 | 21 |
| 873 | Emergency Nursing | 1 | 13 | 288 | 386 |
| 873 | International Law | 1 | 13 | 679 | 360 |
| 873 | Pragmatics | 3 | 13 | 47 | 100 |
| 873 | Religion | 6 | 13 | 664 | 991 |
| 873 | Change management | 1 | 13 | 225 | 264 |
| 873 | Parallel Processing | 2 | 13 | 568 | 979 |
| 873 | Child welfare | 2 | 13 | 1311 | 2068 |
| 873 | Air Conditioning | 3 | 13 | 199 | 453 |
| 873 | Fashion merchandising | 1 | 13 | 91 | 161 |
| 873 | sustainability | 5 | 13 | 628 | 2014 |
| 873 | Heritage Tourism | 1 | 13 | 278 | 387 |
| 873 | cultural tourism | 1 | 13 | 267 | 387 |
| 873 | Soviet Union | 1 | 13 | 1399 | 1100 |
| 873 | Fashion | 1 | 13 | 276 | 292 |
| 873 | educational innovations | 2 | 13 | 650 | 1034 |
| 888 | Artificial Organs | 1 | 12 | 1052 | 1222 |
| 888 | Socialization | 1 | 12 | 836 | 1150 |
| 888 | Histocompatibility Testing | 2 | 12 | 599 | 1152 |
| 888 | Obesity | 1 | 12 | 3026 | 4016 |
| 888 | Autoimmunity | 2 | 12 | 878 | 1671 |
| 888 | animal diseases | 1 | 12 | 888 | 1215 |
| 888 | Imaging systems | 3 | 12 | 871 | 1481 |
| 888 | role | 1 | 12 | 698 | 1022 |
| 888 | Microwaves | 2 | 12 | 1674 | 2091 |
| 888 | Nanotubes | 1 | 12 | 426 | 443 |
| 888 | international cooperation | 6 | 12 | 370 | 1362 |
| 888 | Pregnancy | 1 | 12 | 1467 | 1908 |
| 900 | Urology | 1 | 11 | 2474 | 3044 |
| 900 | Cultural Studies | 3 | 11 | 119 | 409 |
| 900 | Biogeography | 1 | 11 | 1414 | 1952 |
| 900 | Ecological Engineering | 1 | 11 | 1150 | 1726 |
| 900 | Palynology | 1 | 11 | 502 | 565 |
| 900 | emergency management | 2 | 11 | 1124 | 1988 |
| 900 | Metaphor | 1 | 11 | 70 | 119 |
| 900 | Integrated Circuits | 5 | 11 | 667 | 1258 |
| 900 | Mass Spectrometry | 1 | 11 | 1844 | 2234 |
| 900 | Religion and Culture | 3 | 11 | 290 | 606 |
| 900 | Cyberterrorism | 2 | 11 | 41 | 256 |
| 900 | Biomolecules | 1 | 11 | 841 | 1247 |
| 900 | Petroleum | 1 | 11 | 587 | 602 |
| 900 | Drug discovery | 1 | 11 | 507 | 786 |
| 900 | Classroom Environment | 2 | 11 | 76 | 251 |
| 900 | econometric models | 1 | 11 | 1022 | 1311 |
| 900 | Cognition | 5 | 11 | 1262 | 2922 |
| 917 | Aerospace Engineering | 3 | 10 | 430 | 822 |
| 917 | Global Health | 3 | 10 | 1113 | 2516 |
| 917 | Nuclear Medicine | 2 | 10 | 1229 | 1845 |
| 917 | Pediatric Endocrinology | 1 | 10 | 619 | 709 |
| 917 | Special Education | 5 | 10 | 559 | 1314 |
| 917 | Pediatric Neurology | 3 | 10 | 957 | 2139 |
| 917 | Evolutionary Genetics | 1 | 10 | 1324 | 1852 |
| 917 | Mining Geology | 1 | 10 | 193 | 225 |
| 917 | Molecular Epidemiology | 1 | 10 | 1324 | 1852 |
| 917 | Orthopedic Surgery | 2 | 10 | 1036 | 1752 |
| 917 | Health Physics | 1 | 10 | 389 | 415 |
| 917 | Translation | 6 | 10 | 67 | 174 |
| 917 | Urban Transportation | 2 | 10 | 242 | 538 |
| 917 | Language and Education | 1 | 10 | 301 | 325 |
| 917 | Cognitive Therapy | 3 | 10 | 621 | 1355 |
| 917 | Bioprinting | 1 | 10 | 93 | 225 |
| 917 | Biometrics | 4 | 10 | 931 | 1892 |
| 917 | Metabolic disorders in children | 1 | 10 | 571 | 641 |
| 917 | Human Resources | 1 | 10 | 786 | 1188 |
| 917 | High performance computing | 1 | 10 | 216 | 177 |
| 917 | Chemical reactors | 2 | 10 | 84 | 146 |
| 917 | Developing countries | 1 | 10 | 3790 | 4400 |
| 917 | miniaturization | 2 | 10 | 2176 | 3518 |
| 917 | Fossils | 1 | 10 | 101 | 95 |
| 941 | Literature | 13 | 9 | 385 | 537 |
| 941 | Rheumatology | 2 | 9 | 1408 | 2243 |
| 941 | Industrial Design | 1 | 9 | 535 | 730 |
| 941 | Biochemical Genetics | 3 | 9 | 444 | 965 |
| 941 | Quantum Chemistry | 2 | 9 | 1077 | 1508 |
| 941 | Liquid Crystals | 4 | 9 | 838 | 1384 |
| 941 | Gerontology | 1 | 9 | 3093 | 3410 |
| 941 | Broadcasting | 1 | 9 | 345 | 470 |
| 941 | Health promotion | 1 | 9 | 2412 | 3131 |
| 941 | Nonprofit organizations | 1 | 9 | 591 | 865 |
| 941 | Tunneling | 1 | 9 | 547 | 844 |
| 941 | underground construction | 1 | 9 | 547 | 844 |
| 941 | immunoassay | 1 | 9 | 457 | 620 |
| 941 | Extreme environments | 1 | 9 | 472 | 782 |
| 941 | Philippines | 2 | 9 | 147 | 329 |
| 956 | Anthropology | 1 | 8 | 2435 | 2508 |
| 956 | Anatomy | 1 | 8 | 2830 | 3494 |
| 956 | Applied Mathematics | 6 | 8 | 654 | 1491 |
| 956 | Developmental Psychology | 1 | 8 | 1586 | 2068 |
| 956 | Topology | 3 | 8 | 325 | 521 |
| 956 | Electromagnetism | 1 | 8 | 1623 | 1875 |
| 956 | Water Purification | 2 | 8 | 1547 | 2509 |
| 956 | Magnetic Materials | 1 | 8 | 2178 | 2486 |
| 956 | Iron | 1 | 8 | 589 | 771 |
| 956 | Mitochondrial DNA | 1 | 8 | 465 | 516 |
| 956 | Pakistan | 3 | 8 | 339 | 541 |
| 956 | Classification | 2 | 8 | 365 | 619 |
| 956 | human development | 1 | 8 | 1272 | 1765 |
| 956 | Electromagnetic fields | 1 | 8 | 688 | 697 |
| 956 | Industry | 1 | 8 | 457 | 874 |
| 956 | Structure-activity relationship | 1 | 8 | 878 | 1083 |
| 956 | muscle strength | 1 | 8 | 157 | 200 |
| 973 | Human Geography | 1 | 7 | 1715 | 2098 |
| 973 | Clinical Immunology | 1 | 7 | 1974 | 2782 |
| 973 | Risk Management | 1 | 7 | 1341 | 1857 |
| 973 | Digital electronics | 3 | 7 | 330 | 726 |
| 973 | Information Retrieval | 1 | 7 | 923 | 1258 |
| 973 | Radiopharmaceuticals | 4 | 7 | 323 | 735 |
| 973 | Infection control | 1 | 7 | 1169 | 1829 |
| 973 | Plasma chemistry | 1 | 7 | 715 | 1043 |
| 973 | microwave antennas | 1 | 7 | 734 | 896 |
| 973 | Financial management | 1 | 7 | 860 | 1365 |
| 973 | Magnetic Resonance Spectroscopy | 1 | 7 | 1719 | 2094 |
| 973 | Developmental Immunology | 1 | 7 | 1380 | 1987 |
| 973 | Risk | 1 | 7 | 959 | 1369 |
| 973 | Echocardiography | 1 | 7 | 211 | 408 |
| 973 | Interfaces | 1 | 7 | 653 | 910 |
| 973 | Hormones | 2 | 7 | 1549 | 2792 |
| 973 | nuclear magnetic resonance spectroscopy | 1 | 7 | 1151 | 1406 |
| 973 | Eastern Europe | 1 | 7 | 1757 | 1724 |
| 973 | animals | 1 | 7 | 2099 | 2570 |
| 973 | labor | 1 | 7 | 636 | 674 |
| 973 | industrial relations | 1 | 7 | 1311 | 1617 |
| 973 | concrete | 1 | 7 | 1501 | 1971 |
| 973 | family violence | 2 | 7 | 498 | 1130 |
| 973 | NMR | 1 | 7 | 898 | 1145 |
| 973 | smart structures | 1 | 7 | 229 | 218 |
| 973 | Cell metabolism | 1 | 7 | 1180 | 1792 |
| 973 | Animal | 1 | 7 | 361 | 600 |
| 973 | magnetic resonance | 1 | 7 | 927 | 1175 |