| 1 | Nuclear Physics | 701 | 18.5K | 285 | 348 |
| 2 | Physics | 626 | 12.5K | 648 | 1380 |
| 3 | Science | 434 | 11.9K | 655 | 1331 |
| 4 | Public Health | 794 | 10.9K | 102 | 320 |
| 5 | Condensed Matter | 504 | 10.8K | 206 | 313 |
| 6 | Solid State Physics | 442 | 10.0K | 258 | 335 |
| 7 | Medicine | 451 | 9.7K | 658 | 1100 |
| 8 | Statistical physics | 470 | 9.0K | 131 | 240 |
| 9 | Biochemistry | 262 | 8.5K | 1128 | 1185 |
| 10 | Analytical Chemistry | 84 | 7.2K | 872 | 369 |
| 11 | Spectrum analysis | 157 | 7.2K | 508 | 522 |
| 12 | Biology | 236 | 7.0K | 973 | 1776 |
| 13 | Chemistry | 249 | 6.9K | 1275 | 1522 |
| 14 | Research | 202 | 6.0K | 977 | 1057 |
| 15 | Marine Biology | 212 | 5.9K | 135 | 181 |
| 16 | Astrophysics | 89 | 5.7K | 763 | 696 |
| 17 | Catalysis | 142 | 5.2K | 515 | 570 |
| 18 | Materials | 300 | 4.7K | 592 | 1042 |
| 19 | food technology | 132 | 4.5K | 173 | 164 |
| 20 | Pollution | 125 | 4.4K | 718 | 909 |
| 21 | Microbiology | 170 | 4.3K | 805 | 1238 |
| 22 | Water pollution | 118 | 4.3K | 221 | 304 |
| 23 | Food | 121 | 4.3K | 228 | 247 |
| 24 | Marine Pollution | 100 | 4.1K | 34 | 46 |
| 25 | Pharmaceutical Chemistry | 93 | 3.7K | 603 | 548 |
| 26 | Molecular Biology | 144 | 3.3K | 1285 | 1894 |
| 27 | Ecology | 111 | 3.3K | 993 | 1338 |
| 28 | Health Policy | 230 | 3.2K | 79 | 200 |
| 29 | Public Health Administration | 227 | 3.2K | 9 | 9 |
| 30 | Organic Chemistry | 83 | 3.1K | 523 | 410 |
| 31 | Bioorganic chemistry | 72 | 3.1K | 427 | 347 |
| 32 | Operations Research | 116 | 3.0K | 140 | 202 |
| 33 | Parasitology | 121 | 3.0K | 137 | 170 |
| 34 | Nonlinear Dynamics | 180 | 3.0K | 128 | 248 |
| 35 | environmental pollution | 80 | 2.9K | 734 | 796 |
| 36 | Neurology | 152 | 2.9K | 788 | 1246 |
| 37 | Nutrition | 115 | 2.7K | 503 | 705 |
| 38 | Clinical Chemistry | 46 | 2.7K | 684 | 449 |
| 39 | Quantum Gravity | 160 | 2.6K | 330 | 488 |
| 40 | Natural history | 51 | 2.6K | 778 | 1915 |
| 41 | Bacteriology | 133 | 2.6K | 150 | 382 |
| 42 | Electrical Engineering | 133 | 2.3K | 370 | 280 |
| 43 | Biophysics | 71 | 2.2K | 1346 | 1326 |
| 44 | Mathematical Physics | 207 | 2.1K | 166 | 375 |
| 45 | Geochemistry | 55 | 2.0K | 455 | 468 |
| 46 | Latin America | 257 | 2.0K | 14 | 19 |
| 47 | Psychiatry | 64 | 1.9K | 895 | 1019 |
| 48 | Economics | 206 | 1.9K | 351 | 730 |
| 49 | Earth Sciences | 94 | 1.9K | 411 | 607 |
| 50 | Education | 257 | 1.9K | 187 | 474 |
| 51 | Tropical Medicine | 139 | 1.8K | 46 | 137 |
| 52 | Mathematics | 249 | 1.8K | 596 | 891 |
| 53 | Epidemiology | 83 | 1.7K | 539 | 751 |
| 54 | Environmental Health | 77 | 1.7K | 945 | 1400 |
| 55 | Metallurgy | 67 | 1.7K | 411 | 474 |
| 56 | Physiology | 83 | 1.6K | 712 | 1117 |
| 57 | Paleoclimatology | 60 | 1.5K | 128 | 210 |
| 58 | Pharmacology | 83 | 1.5K | 1098 | 1484 |
| 59 | Toxicology | 67 | 1.5K | 951 | 1224 |
| 60 | Geophysics | 54 | 1.5K | 918 | 979 |
| 61 | Nanotechnology | 55 | 1.4K | 1329 | 1608 |
| 62 | Paleoecology | 49 | 1.4K | 143 | 191 |
| 63 | Paleogeography | 48 | 1.4K | 122 | 170 |
| 64 | Oceanography | 69 | 1.3K | 303 | 467 |
| 65 | Biogeochemistry | 32 | 1.3K | 269 | 344 |
| 65 | Colloids | 36 | 1.3K | 1228 | 1186 |
| 67 | Geology | 85 | 1.3K | 554 | 767 |
| 68 | Biodiversity | 33 | 1.3K | 482 | 515 |
| 69 | Renewable Energy Sources | 23 | 1.3K | 866 | 982 |
| 70 | Superconductors | 45 | 1.3K | 215 | 127 |
| 71 | Communication | 132 | 1.2K | 116 | 448 |
| 72 | Mental illness | 12 | 1.2K | 989 | 648 |
| 73 | Sustainable Development | 27 | 1.2K | 390 | 383 |
| 74 | Parasitic Diseases | 50 | 1.2K | 269 | 398 |
| 75 | Optics | 102 | 1.2K | 829 | 1034 |
| 76 | Cytology | 45 | 1.2K | 1236 | 1805 |
| 77 | Biotechnology | 38 | 1.2K | 1826 | 2162 |
| 78 | Ethnology | 107 | 1.1K | 60 | 124 |
| 79 | Electrochemistry | 52 | 1.1K | 1131 | 1099 |
| 80 | Environment | 45 | 1.1K | 1271 | 2148 |
| 81 | Chemical Engineering | 60 | 1.1K | 1185 | 1685 |
| 82 | Medical genetics | 11 | 1.1K | 1576 | 1189 |
| 83 | Food Microbiology | 32 | 1.1K | 224 | 324 |
| 84 | Parasites | 47 | 1.1K | 201 | 265 |
| 85 | coal | 24 | 1.0K | 486 | 466 |
| 86 | biological factors | 33 | 1.0K | 383 | 416 |
| 87 | Immunology | 30 | 994 | 1163 | 1371 |
| 88 | Building Materials | 21 | 963 | 620 | 600 |
| 89 | Health Education | 110 | 960 | 165 | 398 |
| 90 | Light | 6 | 959 | 678 | 464 |
| 91 | Metals | 34 | 952 | 586 | 635 |
| 92 | Molecular structure | 81 | 944 | 208 | 645 |
| 93 | Cell Biology | 35 | 941 | 1320 | 2007 |
| 94 | Photonics | 9 | 938 | 1256 | 693 |
| 95 | computer networks | 36 | 937 | 618 | 634 |
| 96 | Quality Control | 54 | 930 | 126 | 290 |
| 97 | Food additives | 15 | 916 | 427 | 298 |
| 97 | hydrocolloids | 15 | 916 | 212 | 215 |
| 99 | Metallography | 18 | 900 | 256 | 112 |
| 100 | Biogeography | 12 | 898 | 428 | 365 |
| 101 | Environmental Geology | 34 | 893 | 238 | 312 |
| 102 | Algae | 12 | 891 | 346 | 169 |
| 103 | Coastal zone management | 31 | 890 | 63 | 65 |
| 104 | Biocompatible Materials | 31 | 883 | 1305 | 1674 |
| 105 | Neurochemistry | 46 | 881 | 580 | 881 |
| 106 | Economic History | 110 | 880 | 277 | 679 |
| 106 | Environmental monitoring | 50 | 880 | 798 | 1459 |
| 108 | Environmental pollutants | 30 | 877 | 534 | 638 |
| 109 | disease vectors | 21 | 872 | 227 | 170 |
| 110 | Metabolism | 26 | 867 | 994 | 1161 |
| 111 | Atomic spectroscopy | 35 | 854 | 184 | 199 |
| 112 | Composite Materials | 42 | 850 | 685 | 1026 |
| 112 | pollutants | 27 | 850 | 466 | 545 |
| 114 | Energy Policy | 27 | 849 | 819 | 1049 |
| 115 | Fracture mechanics | 55 | 843 | 227 | 343 |
| 116 | Neurophysiology | 26 | 808 | 1035 | 1220 |
| 117 | Geography | 26 | 807 | 602 | 576 |
| 117 | Mental Disorders | 8 | 807 | 1865 | 1133 |
| 119 | Marine resources | 26 | 803 | 86 | 89 |
| 120 | Meteorites | 14 | 797 | 444 | 438 |
| 121 | Continental shelf | 10 | 785 | 170 | 95 |
| 122 | Reproduction | 65 | 753 | 381 | 762 |
| 123 | Ultrasonics | 10 | 751 | 611 | 325 |
| 124 | Meteorology | 26 | 748 | 727 | 947 |
| 125 | Sonochemistry | 9 | 745 | 253 | 146 |
| 126 | Climatology | 44 | 744 | 369 | 635 |
| 126 | Brain | 30 | 744 | 891 | 1074 |
| 128 | Environmental Policy | 23 | 730 | 1075 | 1387 |
| 128 | Psychophysiology | 21 | 730 | 1097 | 1185 |
| 130 | Environmental Microbiology | 14 | 725 | 545 | 552 |
| 131 | Molecular Spectroscopy | 41 | 724 | 279 | 377 |
| 132 | Toxins | 26 | 722 | 124 | 144 |
| 133 | Solid State Chemistry | 62 | 719 | 409 | 675 |
| 134 | Histology | 19 | 703 | 713 | 700 |
| 135 | venom | 24 | 702 | 120 | 133 |
| 136 | Communication in medicine | 71 | 701 | 37 | 115 |
| 137 | Radiation | 40 | 691 | 435 | 533 |
| 138 | Surface Chemistry | 28 | 685 | 1460 | 1571 |
| 139 | Psychology | 87 | 679 | 755 | 1583 |
| 140 | Animal breeding | 54 | 676 | 88 | 172 |
| 141 | Environmental Toxicology | 24 | 675 | 744 | 961 |
| 142 | Artificial Intelligence | 26 | 674 | 1301 | 1358 |
| 143 | Pharmacognosy | 39 | 662 | 337 | 644 |
| 143 | Breeding | 53 | 662 | 168 | 394 |
| 145 | Neuropsychology | 17 | 654 | 934 | 823 |
| 146 | Telecommunication | 28 | 653 | 879 | 927 |
| 147 | Materials Science | 67 | 651 | 1092 | 2031 |
| 148 | Genetics | 9 | 650 | 2451 | 2038 |
| 149 | Pathology | 9 | 645 | 1353 | 978 |
| 150 | global environmental change | 8 | 631 | 461 | 342 |
| 151 | Animal health | 33 | 618 | 51 | 37 |
| 152 | dietary supplements | 12 | 616 | 284 | 169 |
| 153 | Community Psychiatry | 1 | 607 | 1674 | 322 |
| 153 | Psychiatric Epidemiology | 1 | 607 | 909 | 158 |
| 155 | food handling | 22 | 604 | 171 | 232 |
| 156 | Metabolic diseases | 8 | 603 | 1469 | 1270 |
| 157 | Cognitive Science | 12 | 595 | 679 | 573 |
| 158 | energy conservation | 16 | 587 | 770 | 963 |
| 159 | Biodegradation | 13 | 579 | 177 | 147 |
| 160 | Sports Medicine | 40 | 573 | 575 | 814 |
| 161 | Marine Geology | 23 | 571 | 148 | 173 |
| 162 | Diet | 24 | 569 | 654 | 1020 |
| 163 | Environmental Management | 20 | 565 | 1110 | 1465 |
| 163 | Antarctica | 60 | 565 | 35 | 61 |
| 165 | Nanostructured Materials | 29 | 555 | 1106 | 1444 |
| 166 | Planets | 9 | 553 | 934 | 817 |
| 167 | Biomedical Engineering | 38 | 550 | 1485 | 2240 |
| 168 | Petroleum Geology | 22 | 547 | 139 | 176 |
| 169 | Cancer | 14 | 543 | 1784 | 1910 |
| 170 | Endocrinology | 23 | 541 | 1133 | 1592 |
| 170 | ecosystem | 21 | 541 | 402 | 630 |
| 172 | Computer Graphics | 30 | 534 | 459 | 619 |
| 173 | Cosmochemistry | 17 | 529 | 300 | 341 |
| 174 | economic policy | 88 | 519 | 192 | 616 |
| 175 | Economic Development | 26 | 512 | 383 | 694 |
| 175 | environmental protection | 46 | 512 | 681 | 1580 |
| 177 | Virology | 28 | 511 | 1055 | 2029 |
| 178 | Parenteral nutrition | 9 | 507 | 559 | 462 |
| 179 | Radiology | 8 | 506 | 946 | 416 |
| 180 | Enteral nutrition | 8 | 503 | 485 | 368 |
| 181 | Biodiversity conservation | 13 | 499 | 761 | 1070 |
| 182 | Biogeochemical cycles | 3 | 498 | 439 | 286 |
| 183 | Medical Microbiology | 21 | 492 | 876 | 1290 |
| 184 | Health | 52 | 475 | 353 | 812 |
| 185 | Water Microbiology | 9 | 473 | 153 | 91 |
| 185 | Fouling | 9 | 473 | 66 | 58 |
| 187 | Nursing | 64 | 472 | 204 | 430 |
| 187 | Sports | 35 | 472 | 507 | 711 |
| 189 | Botany | 45 | 471 | 1074 | 1962 |
| 189 | Astronomy | 28 | 471 | 1128 | 1515 |
| 189 | Microbial Ecology | 18 | 471 | 894 | 1376 |
| 192 | Vaccines | 22 | 465 | 640 | 835 |
| 193 | Technology | 27 | 457 | 1351 | 1645 |
| 194 | mass transfer | 29 | 454 | 489 | 748 |
| 195 | Organic Geochemistry | 11 | 453 | 156 | 189 |
| 196 | Engineering | 41 | 445 | 1079 | 1601 |
| 197 | nanoscience | 15 | 444 | 1409 | 1627 |
| 198 | Bioengineering | 13 | 440 | 2340 | 2641 |
| 199 | econometric models | 13 | 437 | 148 | 133 |
| 200 | natural disasters | 9 | 436 | 660 | 468 |
| 201 | mathematical analysis | 57 | 433 | 458 | 677 |
| 202 | Urology | 34 | 432 | 500 | 903 |
| 203 | Educational Sociology | 24 | 420 | 24 | 42 |
| 204 | Mycology | 16 | 418 | 653 | 752 |
| 205 | Oncology | 8 | 416 | 1505 | 1727 |
| 205 | cosmic rays | 4 | 416 | 411 | 108 |
| 207 | Signal Transduction | 8 | 414 | 908 | 859 |
| 208 | Bioinorganic chemistry | 24 | 412 | 391 | 540 |
| 209 | Homeostasis | 1 | 409 | 776 | 644 |
| 209 | Cell metabolism | 1 | 409 | 1207 | 671 |
| 211 | Respiration | 18 | 408 | 565 | 724 |
| 212 | Dermatology | 25 | 403 | 595 | 814 |
| 213 | Software Engineering | 14 | 394 | 427 | 403 |
| 214 | Production Engineering | 41 | 393 | 381 | 666 |
| 214 | Combinatorial optimization | 22 | 393 | 56 | 33 |
| 216 | System analysis | 35 | 392 | 525 | 937 |
| 217 | Superconductivity | 15 | 389 | 177 | 140 |
| 218 | Electrochemical Analysis | 12 | 387 | 761 | 610 |
| 219 | Information Technology | 10 | 373 | 1327 | 1033 |
| 220 | actuators | 7 | 369 | 1590 | 1235 |
| 220 | transducers | 7 | 369 | 1590 | 1235 |
| 222 | Diagnostic microbiology | 6 | 366 | 915 | 979 |
| 223 | Computer Science | 14 | 363 | 828 | 584 |
| 224 | Electronics | 15 | 360 | 1865 | 1684 |
| 225 | Information Science | 56 | 358 | 315 | 1222 |
| 226 | Engineering Geology | 5 | 352 | 1157 | 686 |
| 227 | Nervous system | 18 | 347 | 1018 | 1549 |
| 228 | Zeolites | 2 | 342 | 1165 | 457 |
| 229 | Polymers | 20 | 340 | 2119 | 2353 |
| 230 | Water | 12 | 337 | 1302 | 1705 |
| 231 | Biochemical Engineering | 11 | 336 | 1945 | 2606 |
| 232 | Behavior | 10 | 328 | 1781 | 2018 |
| 233 | Paleoceanography | 2 | 326 | 218 | 148 |
| 234 | History of Medicine | 70 | 325 | 15 | 40 |
| 234 | Statistical Mechanics | 33 | 325 | 113 | 221 |
| 236 | Forest Ecology | 7 | 318 | 690 | 587 |
| 237 | civilization | 57 | 315 | 86 | 65 |
| 238 | Telecommunication Systems | 12 | 312 | 748 | 572 |
| 238 | Carbon | 12 | 312 | 639 | 962 |
| 240 | Anatomy | 41 | 311 | 420 | 1077 |
| 241 | Anthropology | 68 | 307 | 189 | 564 |
| 242 | Physical Chemistry | 12 | 305 | 1138 | 1244 |
| 243 | Hormones | 9 | 304 | 765 | 791 |
| 244 | environmental issues | 4 | 302 | 349 | 175 |
| 245 | Production Management | 32 | 301 | 222 | 800 |
| 245 | Cell death | 4 | 301 | 1145 | 989 |
| 245 | energy resources | 15 | 301 | 541 | 1125 |
| 248 | Image Processing | 21 | 300 | 857 | 1307 |
| 248 | Food preferences | 16 | 300 | 90 | 191 |
| 250 | Human genetics | 4 | 297 | 1969 | 2596 |
| 251 | Geomorphology | 14 | 296 | 616 | 877 |
| 251 | Forest Management | 5 | 296 | 784 | 576 |
| 251 | environmental exposure | 8 | 296 | 1180 | 1093 |
| 254 | sustainability | 2 | 295 | 1177 | 585 |
| 255 | Econometrics | 19 | 290 | 479 | 616 |
| 256 | Hematology | 6 | 289 | 2093 | 1799 |
| 256 | China | 10 | 289 | 1688 | 1362 |
| 258 | Biometrics | 11 | 288 | 546 | 508 |
| 259 | cell physiology | 7 | 287 | 1064 | 1159 |
| 260 | Fluid Dynamics | 15 | 286 | 424 | 547 |
| 261 | Agriculture | 9 | 285 | 1224 | 1133 |
| 262 | Sociology | 47 | 279 | 566 | 1489 |
| 263 | soil microbiology | 6 | 278 | 1060 | 1186 |
| 264 | Mechanical Engineering | 43 | 277 | 563 | 988 |
| 265 | Manufacturing Processes | 20 | 275 | 888 | 1264 |
| 266 | Organometallic chemistry | 30 | 273 | 463 | 847 |
| 267 | management | 22 | 272 | 1230 | 1948 |
| 268 | Rheology | 5 | 271 | 454 | 271 |
| 269 | Regional Planning | 8 | 270 | 891 | 753 |
| 269 | Magnetic Resonance Spectroscopy | 17 | 270 | 468 | 555 |
| 271 | Obstetrics | 20 | 269 | 944 | 1356 |
| 272 | Insect biochemistry | 4 | 268 | 383 | 265 |
| 273 | Taste | 13 | 267 | 59 | 89 |
| 273 | smell | 13 | 267 | 59 | 89 |
| 275 | Pharmacy | 12 | 266 | 1082 | 1261 |
| 275 | women | 49 | 266 | 38 | 193 |
| 277 | Systems Engineering | 15 | 263 | 914 | 1051 |
| 278 | History | 73 | 262 | 120 | 134 |
| 279 | Physical organic chemistry | 11 | 261 | 749 | 736 |
| 280 | radioactive waste | 3 | 260 | 853 | 679 |
| 280 | industrial waste | 3 | 260 | 880 | 681 |
| 280 | Hazardous waste | 3 | 260 | 990 | 738 |
| 283 | Neurobiology | 15 | 259 | 818 | 1328 |
| 283 | Numerical Analysis | 25 | 259 | 721 | 957 |
| 285 | Geriatric Oncology | 1 | 257 | 1100 | 356 |
| 286 | United States | 23 | 255 | 1845 | 2759 |
| 287 | Marine Ecology | 22 | 254 | 188 | 335 |
| 287 | Insects | 5 | 254 | 1135 | 691 |
| 289 | Fisheries | 16 | 253 | 627 | 897 |
| 290 | Veterinary Pathology | 26 | 251 | 38 | 81 |
| 290 | Adhesion | 13 | 251 | 183 | 229 |
| 290 | adhesives | 13 | 251 | 201 | 231 |
| 290 | finance | 19 | 251 | 885 | 1144 |
| 294 | natural products | 38 | 249 | 312 | 874 |
| 294 | Cognition | 9 | 249 | 986 | 1011 |
| 296 | Genomics | 6 | 247 | 2483 | 2217 |
| 296 | Signal Processing | 11 | 247 | 1492 | 1608 |
| 298 | Ophthalmology | 14 | 246 | 925 | 1155 |
| 298 | Chemical Oceanography | 7 | 246 | 167 | 224 |
| 298 | Nutrition physiology | 14 | 246 | 231 | 467 |
| 298 | Catalysts | 8 | 246 | 351 | 311 |
| 302 | nucleic acids | 4 | 244 | 1577 | 1452 |
| 303 | Cognitive neuroscience | 4 | 241 | 833 | 717 |
| 304 | Transportation | 12 | 239 | 824 | 982 |
| 304 | Solitons | 11 | 239 | 498 | 524 |
| 304 | Inflammation | 8 | 239 | 640 | 864 |
| 304 | Fractals | 11 | 239 | 500 | 526 |
| 304 | Chaos | 11 | 239 | 498 | 524 |
| 309 | Virulence | 5 | 237 | 903 | 1124 |
| 309 | Work | 37 | 237 | 21 | 128 |
| 311 | Zoology | 24 | 235 | 841 | 1274 |
| 312 | Immunity | 7 | 234 | 1315 | 1912 |
| 313 | polymerization | 8 | 230 | 2674 | 2361 |
| 313 | United Kingdom | 3 | 230 | 1608 | 1098 |
| 315 | Atmospheric Physics | 7 | 229 | 1098 | 1068 |
| 316 | Food Policy | 1 | 228 | 663 | 254 |
| 316 | agricultural policy | 1 | 228 | 486 | 211 |
| 316 | world | 1 | 228 | 1282 | 610 |
| 319 | human behavior | 7 | 227 | 1581 | 1990 |
| 320 | Heterocyclic compounds | 6 | 222 | 718 | 299 |
| 321 | Immunopathology | 7 | 220 | 883 | 945 |
| 322 | Luminescence | 13 | 217 | 552 | 620 |
| 323 | Petroleum Engineering | 20 | 216 | 246 | 442 |
| 323 | Public Administration | 26 | 216 | 339 | 627 |
| 323 | Molecules | 23 | 216 | 479 | 778 |
| 326 | Hydrology | 15 | 215 | 1111 | 1541 |
| 326 | Photochemistry | 11 | 215 | 837 | 1047 |
| 328 | Geometry | 38 | 214 | 168 | 296 |
| 328 | Biomass Energy | 14 | 214 | 1133 | 1938 |
| 328 | Coral reef biology | 10 | 214 | 136 | 218 |
| 328 | Aquaculture | 14 | 214 | 634 | 860 |
| 332 | Total Quality Management | 8 | 213 | 191 | 197 |
| 333 | Social Sciences | 26 | 212 | 985 | 1547 |
| 333 | Anxiety Disorders | 7 | 212 | 317 | 510 |
| 333 | Anxiety | 7 | 212 | 316 | 512 |
| 336 | Obesity | 7 | 210 | 1346 | 1566 |
| 336 | animal diseases | 7 | 210 | 278 | 254 |
| 338 | Optical materials | 15 | 209 | 1320 | 1955 |
| 339 | Seaweed | 10 | 208 | 261 | 394 |
| 340 | Astrocytes | 4 | 207 | 403 | 464 |
| 341 | Pediatrics | 7 | 206 | 1674 | 1880 |
| 341 | Environmental Chemistry | 12 | 206 | 1037 | 1791 |
| 341 | miniaturization | 6 | 206 | 1391 | 1487 |
| 344 | Histochemistry | 10 | 205 | 524 | 618 |
| 344 | software | 4 | 205 | 974 | 776 |
| 344 | Quantum theory | 23 | 205 | 236 | 493 |
| 347 | Microelectronics | 6 | 203 | 1417 | 1329 |
| 348 | Regional Development | 1 | 202 | 505 | 153 |
| 348 | Development planning | 1 | 202 | 463 | 138 |
| 348 | Economic planning | 1 | 202 | 947 | 237 |
| 351 | drug evaluation | 8 | 200 | 829 | 866 |
| 352 | visualization | 7 | 197 | 1021 | 563 |
| 353 | Environmental Engineering | 31 | 196 | 1098 | 2872 |
| 354 | Teratology | 3 | 194 | 275 | 212 |
| 354 | abnormalities | 3 | 194 | 171 | 129 |
| 356 | Fluid Mechanics | 12 | 193 | 782 | 918 |
| 356 | food industry | 8 | 193 | 331 | 241 |
| 358 | internet | 11 | 189 | 757 | 1028 |
| 358 | Exercise | 24 | 189 | 346 | 725 |
| 360 | Developing countries | 10 | 188 | 1240 | 1464 |
| 360 | vitamins | 3 | 188 | 128 | 95 |
| 362 | Medical Physics | 7 | 185 | 1270 | 1325 |
| 363 | cell interaction | 4 | 182 | 955 | 890 |
| 364 | Nanochemistry | 10 | 181 | 573 | 675 |
| 364 | Language Disorders | 1 | 181 | 1293 | 485 |
| 364 | Psycholinguistics | 1 | 181 | 1387 | 669 |
| 364 | Writing | 1 | 181 | 479 | 155 |
| 364 | Reading | 1 | 181 | 874 | 343 |
| 369 | Respiratory system | 3 | 180 | 632 | 441 |
| 370 | Wireless Communication Systems | 14 | 179 | 1180 | 1484 |
| 371 | Calorimetry | 12 | 178 | 463 | 567 |
| 371 | Thermal analysis | 12 | 178 | 463 | 567 |
| 373 | Information Theory | 14 | 176 | 595 | 922 |
| 373 | radiative transfer | 23 | 176 | 140 | 315 |
| 373 | drugs | 8 | 176 | 1404 | 1529 |
| 376 | Mechanics | 14 | 175 | 474 | 606 |
| 377 | environmental indicators | 5 | 174 | 935 | 1010 |
| 377 | free radicals | 7 | 174 | 953 | 1354 |
| 379 | Project Management | 3 | 173 | 272 | 321 |
| 379 | Wildlife conservation | 3 | 173 | 1183 | 1059 |
| 379 | nuclear magnetic resonance spectroscopy | 11 | 173 | 337 | 401 |
| 379 | NMR | 11 | 173 | 179 | 205 |
| 379 | magnetic resonance | 11 | 173 | 188 | 223 |
| 384 | Medicinal plants | 8 | 172 | 790 | 1156 |
| 384 | Quality of life | 7 | 172 | 953 | 1199 |
| 386 | Raman spectroscopy | 11 | 171 | 279 | 458 |
| 387 | Data Mining | 7 | 170 | 1060 | 1275 |
| 387 | Systems Biology | 6 | 170 | 1172 | 1160 |
| 387 | Wetland ecology | 5 | 170 | 295 | 266 |
| 387 | Nanostructures | 14 | 170 | 860 | 1633 |
| 387 | wetland management | 4 | 170 | 117 | 89 |
| 392 | Forecasting | 7 | 169 | 281 | 320 |
| 392 | machinery | 36 | 169 | 74 | 374 |
| 392 | cytokines | 6 | 169 | 917 | 1082 |
| 392 | Radio waves | 5 | 169 | 761 | 716 |
| 392 | Radio | 5 | 169 | 1293 | 1207 |
| 397 | Animal Behavior | 5 | 168 | 1447 | 1565 |
| 397 | Particle Physics | 2 | 168 | 274 | 206 |
| 397 | soil conservation | 7 | 168 | 437 | 528 |
| 397 | Elementary particles | 2 | 168 | 198 | 189 |
| 401 | Morphology | 29 | 165 | 115 | 432 |
| 401 | Psychopharmacology | 2 | 165 | 1856 | 1374 |
| 401 | Electrophoresis | 13 | 165 | 765 | 1217 |
| 404 | Journalism | 5 | 162 | 366 | 199 |
| 404 | Nanobiotechnology | 2 | 162 | 600 | 459 |
| 404 | Land use | 7 | 162 | 689 | 864 |
| 404 | Drug design | 9 | 162 | 863 | 1237 |
| 408 | Comparative Physiology | 3 | 160 | 745 | 595 |
| 408 | Fishery resources | 10 | 160 | 251 | 444 |
| 410 | North America | 8 | 159 | 450 | 457 |
| 411 | Traffic Engineering | 5 | 158 | 282 | 325 |
| 411 | Ethology | 4 | 158 | 1280 | 1390 |
| 413 | Digestive system diseases | 3 | 157 | 982 | 740 |
| 414 | Geriatrics | 5 | 156 | 2412 | 2059 |
| 414 | proteins | 10 | 156 | 1192 | 1643 |
| 416 | Clinical Pharmacology | 10 | 155 | 811 | 1081 |
| 417 | Statistics | 10 | 154 | 1557 | 1564 |
| 417 | Transport | 8 | 154 | 315 | 513 |
| 417 | Sea | 8 | 154 | 282 | 422 |
| 420 | Chromatographic analysis | 11 | 153 | 1004 | 1232 |
| 421 | Aging | 6 | 152 | 2058 | 2009 |
| 422 | Computer Engineering | 5 | 149 | 758 | 510 |
| 422 | Post-traumatic stress disorder | 3 | 149 | 777 | 628 |
| 424 | complementary therapies | 8 | 148 | 922 | 1147 |
| 425 | Bioinformatics | 14 | 147 | 971 | 1732 |
| 426 | Industrial Engineering | 14 | 146 | 787 | 1380 |
| 427 | Paleontology | 14 | 144 | 580 | 851 |
| 427 | Freeze-Drying | 6 | 144 | 209 | 235 |
| 427 | Hypothermia | 6 | 144 | 209 | 235 |
| 427 | Freeze Drying | 6 | 144 | 209 | 235 |
| 431 | Chemical Ecology | 7 | 143 | 296 | 464 |
| 431 | pheromones | 7 | 143 | 268 | 433 |
| 431 | rare diseases | 7 | 143 | 383 | 555 |
| 434 | Hypertension | 7 | 142 | 1096 | 1738 |
| 434 | infection | 9 | 142 | 1016 | 1503 |
| 436 | Computational Biology | 12 | 140 | 1314 | 2148 |
| 437 | Mineralogy | 5 | 138 | 1112 | 1002 |
| 438 | mycoses | 9 | 137 | 401 | 968 |
| 439 | Alternative Medicine | 4 | 135 | 1330 | 1193 |
| 439 | Sedimentary rocks | 5 | 135 | 441 | 489 |
| 439 | Nonlinear mechanics | 13 | 135 | 110 | 261 |
| 442 | Linguistics | 36 | 134 | 246 | 741 |
| 442 | Clinical Immunology | 3 | 134 | 1203 | 1034 |
| 442 | Quantum Optics | 13 | 134 | 356 | 552 |
| 445 | Economic Thought | 1 | 132 | 529 | 346 |
| 445 | data collection | 3 | 132 | 1231 | 1053 |
| 445 | economic conditions | 2 | 132 | 631 | 411 |
| 445 | Bacterial infections | 5 | 132 | 639 | 1012 |
| 445 | atmosphere | 3 | 132 | 835 | 670 |
| 450 | Laser Spectroscopy | 12 | 131 | 348 | 525 |
| 450 | international cooperation | 4 | 131 | 477 | 475 |
| 452 | Adolescent Medicine | 3 | 130 | 589 | 788 |
| 452 | Chromatography | 9 | 130 | 964 | 1245 |
| 452 | Physical fitness | 10 | 130 | 490 | 806 |
| 455 | industrial hygiene | 26 | 129 | 176 | 454 |
| 455 | Extreme environments | 6 | 129 | 117 | 232 |
| 457 | Surface-Active Agents | 4 | 128 | 1027 | 1130 |
| 457 | Combustion | 13 | 128 | 593 | 1019 |
| 457 | Surface properties | 4 | 128 | 1104 | 1232 |
| 457 | carbon monoxide | 5 | 128 | 208 | 346 |
| 461 | Molecular Microbiology | 3 | 127 | 868 | 1033 |
| 461 | city planning | 10 | 127 | 793 | 1139 |
| 463 | Database Management | 14 | 125 | 318 | 624 |
| 463 | lasers | 25 | 125 | 724 | 1562 |
| 465 | Evolutionary Genetics | 9 | 124 | 241 | 550 |
| 465 | Plant Ecology | 11 | 124 | 906 | 1699 |
| 465 | Molecular Epidemiology | 9 | 124 | 241 | 550 |
| 465 | Food Preservation | 8 | 124 | 386 | 422 |
| 469 | medical education | 3 | 123 | 1863 | 1303 |
| 470 | Entropy | 13 | 122 | 358 | 627 |
| 471 | Artificial Organs | 6 | 121 | 462 | 419 |
| 471 | Business | 20 | 121 | 728 | 1840 |
| 471 | Bacteria | 3 | 121 | 353 | 441 |
| 474 | Tourism | 6 | 120 | 1090 | 1449 |
| 474 | Bacterial diseases | 2 | 120 | 391 | 260 |
| 474 | Entomology | 6 | 120 | 1691 | 1496 |
| 477 | Political Science | 30 | 119 | 456 | 969 |
| 478 | Photobiology | 8 | 118 | 751 | 1121 |
| 479 | Biopharmaceutics | 3 | 117 | 1185 | 1139 |
| 479 | Analytical Biochemistry | 15 | 117 | 714 | 1532 |
| 479 | Host-parasite interactions | 3 | 117 | 1322 | 1616 |
| 482 | cell adhesion molecules | 2 | 116 | 258 | 320 |
| 482 | Cell communication | 2 | 116 | 787 | 677 |
| 484 | Critical Care | 4 | 114 | 1341 | 1792 |
| 484 | Critical Care Medicine | 4 | 114 | 1312 | 1776 |
| 484 | Multiple sclerosis | 5 | 114 | 459 | 342 |
| 487 | Ocean Engineering | 12 | 113 | 894 | 1504 |
| 487 | freshwater biology | 5 | 113 | 676 | 774 |
| 489 | Engineering Mathematics | 15 | 112 | 748 | 1218 |
| 490 | Dentistry | 11 | 111 | 335 | 418 |
| 490 | Chromosome mapping | 1 | 111 | 2994 | 2035 |
| 490 | gene mapping | 1 | 111 | 3235 | 2303 |
| 493 | Child | 11 | 110 | 1260 | 1957 |
| 493 | Educational evaluation | 16 | 110 | 20 | 83 |
| 495 | Structural dynamics | 5 | 109 | 770 | 1004 |
| 496 | feeding behavior | 2 | 107 | 895 | 765 |
| 496 | Japan | 7 | 107 | 1350 | 1408 |
| 496 | biological invasions | 6 | 107 | 378 | 572 |
| 496 | Appetite | 2 | 107 | 779 | 706 |
| 500 | Pediatric Neurology | 2 | 106 | 1210 | 1400 |
| 500 | Water quality management | 9 | 106 | 1053 | 1515 |
| 500 | hazard mitigation | 5 | 106 | 678 | 838 |
| 503 | Industrial Microbiology | 4 | 105 | 1818 | 2175 |
| 503 | Music | 10 | 105 | 391 | 486 |
| 503 | Primates | 13 | 105 | 269 | 578 |
| 506 | Evidence-Based Medicine | 2 | 104 | 1001 | 621 |
| 507 | Systems Analysis | 7 | 103 | 713 | 867 |
| 507 | bees | 4 | 103 | 321 | 296 |
| 509 | Automation | 10 | 102 | 1309 | 2058 |
| 509 | Dynamics | 19 | 102 | 469 | 1062 |
| 509 | Technology Assessment | 3 | 102 | 391 | 474 |
| 512 | Process Control | 3 | 101 | 932 | 1149 |
| 512 | voice | 8 | 101 | 246 | 360 |
| 512 | Crystal growth | 8 | 101 | 621 | 963 |
| 515 | Quantum Communication | 3 | 100 | 200 | 227 |
| 515 | Combinatorial analysis | 11 | 100 | 477 | 498 |
| 517 | Marine biodiversity | 9 | 99 | 71 | 101 |
| 517 | Invertebrates | 3 | 99 | 616 | 508 |
| 519 | Measurement | 9 | 97 | 740 | 1139 |
| 519 | nuclear magnetic resonance | 6 | 97 | 785 | 856 |
| 521 | Cytogenetics | 1 | 96 | 2317 | 1811 |
| 521 | drug resistance | 9 | 96 | 305 | 805 |
| 521 | Crystallography | 21 | 96 | 583 | 943 |
| 524 | health planning | 10 | 95 | 1166 | 1838 |
| 525 | Medical Laboratory Science | 6 | 94 | 1691 | 2615 |
| 525 | land degradation | 2 | 94 | 634 | 529 |
| 525 | Europe | 14 | 94 | 1431 | 2563 |
| 525 | degradation | 2 | 94 | 634 | 529 |
| 529 | Laser therapy | 6 | 93 | 281 | 285 |
| 529 | Marine algae | 5 | 93 | 74 | 91 |
| 531 | Fishery management | 5 | 92 | 635 | 705 |
| 531 | Solar System | 8 | 92 | 487 | 780 |
| 533 | Nondestructive testing | 2 | 91 | 936 | 579 |
| 533 | Public Policy | 8 | 91 | 1054 | 1760 |
| 533 | Recycling | 1 | 91 | 1110 | 1018 |
| 536 | Soil Science | 8 | 90 | 1196 | 1846 |
| 536 | Bioremediation | 3 | 90 | 864 | 945 |
| 538 | Logistics | 6 | 88 | 328 | 614 |
| 538 | Applied Linguistics | 20 | 88 | 111 | 382 |
| 538 | Paleopathology | 1 | 88 | 533 | 195 |
| 541 | pain | 3 | 87 | 1414 | 1492 |
| 542 | Petrology | 1 | 86 | 1265 | 913 |
| 542 | Simulation Methods | 6 | 86 | 615 | 823 |
| 542 | Microscopy | 7 | 86 | 905 | 1171 |
| 545 | Political Sociology | 16 | 85 | 123 | 385 |
| 545 | Computer-Aided Design | 10 | 85 | 605 | 1144 |
| 545 | synthesis | 7 | 85 | 648 | 710 |
| 548 | Pharmaceutical Technology | 4 | 84 | 1390 | 1643 |
| 549 | Nuclear Chemistry | 17 | 83 | 410 | 783 |
| 549 | Radiochemistry | 17 | 83 | 356 | 698 |
| 549 | Computational Fluid Dynamics | 4 | 83 | 537 | 592 |
| 549 | Primary health care | 6 | 83 | 1282 | 1676 |
| 549 | Phytotherapy | 4 | 83 | 526 | 729 |
| 549 | Attention | 4 | 83 | 1575 | 1843 |
| 549 | Cerebral cortex | 2 | 83 | 1074 | 1058 |
| 556 | clay | 2 | 82 | 979 | 988 |
| 557 | Nonlinear functional analysis | 14 | 81 | 385 | 861 |
| 557 | Multimedia Systems | 7 | 81 | 1251 | 1525 |
| 559 | Antiviral agents | 4 | 80 | 275 | 365 |
| 559 | Immune system | 2 | 80 | 1312 | 1492 |
| 561 | Internet of Things | 4 | 79 | 960 | 1194 |
| 561 | Infections | 5 | 79 | 945 | 1528 |
| 561 | drug development | 2 | 79 | 1401 | 1744 |
| 564 | Technological Innovations | 7 | 78 | 606 | 1124 |
| 564 | Probiotics | 2 | 78 | 231 | 177 |
| 564 | Medical innovations | 1 | 78 | 1813 | 1901 |
| 564 | Fungi | 2 | 78 | 1267 | 1196 |
| 564 | Aquatic ecology | 6 | 78 | 651 | 894 |
| 569 | Herbal medicine | 2 | 77 | 1008 | 1059 |
| 569 | Culture | 6 | 77 | 715 | 715 |
| 571 | Human Geography | 4 | 76 | 882 | 936 |
| 571 | Developmental Biology | 1 | 76 | 2995 | 2486 |
| 571 | Diagnostic Imaging | 8 | 76 | 1287 | 2027 |
| 571 | Medical Anthropology | 3 | 76 | 1296 | 1705 |
| 571 | technical education | 2 | 76 | 824 | 567 |
| 571 | drug therapy | 4 | 76 | 2109 | 2611 |
| 571 | Memory | 4 | 76 | 1632 | 2053 |
| 571 | Yeast | 1 | 76 | 751 | 532 |
| 579 | Oral Medicine | 13 | 75 | 255 | 525 |
| 579 | Differential Equations | 11 | 75 | 465 | 722 |
| 579 | soil pollution | 8 | 75 | 215 | 550 |
| 579 | Bipolar Disorder | 1 | 75 | 593 | 442 |
| 583 | Functional Analysis | 12 | 74 | 593 | 954 |
| 583 | Green Chemistry | 4 | 74 | 1595 | 2216 |
| 583 | Consciousness | 3 | 74 | 464 | 470 |
| 586 | Bioenergetics | 8 | 73 | 455 | 1054 |
| 586 | Heterocyclic chemistry | 6 | 73 | 290 | 276 |
| 586 | Energy metabolism | 8 | 73 | 347 | 764 |
| 586 | bioclimatology | 8 | 73 | 457 | 976 |
| 586 | geological modeling | 4 | 73 | 439 | 467 |
| 586 | Membranes | 8 | 73 | 1153 | 2164 |
| 592 | Graph Theory | 7 | 72 | 428 | 426 |
| 592 | Magnetic Resonance Imaging | 4 | 72 | 411 | 515 |
| 594 | Waste management | 5 | 71 | 1183 | 1430 |
| 594 | Water Purification | 5 | 71 | 944 | 1183 |
| 594 | Perception | 4 | 71 | 1669 | 2069 |
| 597 | Plant Morphology | 7 | 70 | 293 | 552 |
| 598 | Chemical processes | 1 | 69 | 1170 | 589 |
| 599 | Psychoneuroimmunology | 2 | 68 | 822 | 1029 |
| 599 | Radiography | 3 | 68 | 853 | 1162 |
| 599 | Quantum electronics | 10 | 68 | 974 | 1570 |
| 599 | Microbial Biotechnology | 3 | 68 | 1066 | 1201 |
| 599 | Neuroimmunology | 2 | 68 | 906 | 1103 |
| 599 | Infrared spectroscopy | 4 | 68 | 213 | 334 |
| 599 | breastfeeding | 1 | 68 | 958 | 562 |
| 606 | Calculus of Variations | 7 | 67 | 260 | 352 |
| 606 | preimplantation genetic diagnosis | 4 | 67 | 415 | 531 |
| 606 | embryo transfer | 4 | 67 | 434 | 546 |
| 606 | analysis | 4 | 67 | 272 | 385 |
| 606 | Microwaves | 15 | 67 | 662 | 1273 |
| 606 | tomography | 1 | 67 | 718 | 367 |
| 612 | Information Systems | 6 | 66 | 965 | 1570 |
| 612 | Industrial Safety | 9 | 66 | 597 | 1267 |
| 612 | Environmental Geochemistry | 6 | 66 | 278 | 621 |
| 612 | Solutions | 2 | 66 | 508 | 331 |
| 612 | Microorganisms | 1 | 66 | 1748 | 1553 |
| 612 | Evolution | 4 | 66 | 1624 | 2192 |
| 612 | Minerals | 6 | 66 | 480 | 879 |
| 619 | Climate change | 3 | 65 | 1029 | 1796 |
| 619 | Eutrophication | 3 | 65 | 971 | 1748 |
| 619 | Teaching | 18 | 65 | 550 | 1456 |
| 622 | Pharmacokinetics | 2 | 64 | 1131 | 1171 |
| 622 | Urban Geography | 1 | 64 | 392 | 246 |
| 622 | infrared radiation | 1 | 64 | 1137 | 544 |
| 622 | Scheduling | 3 | 64 | 112 | 150 |
| 622 | Production Scheduling | 3 | 64 | 112 | 150 |
| 622 | Porous materials | 12 | 64 | 238 | 705 |
| 622 | nucleotides | 4 | 64 | 304 | 225 |
| 629 | Child welfare | 4 | 63 | 966 | 1124 |
| 629 | Metabolic syndrome | 4 | 63 | 174 | 307 |
| 631 | Cosmology | 3 | 62 | 617 | 618 |
| 631 | Heat Exchangers | 5 | 62 | 1019 | 1633 |
| 631 | vascular diseases | 1 | 62 | 1148 | 1012 |
| 634 | Structural Engineering | 10 | 61 | 932 | 1643 |
| 634 | Ethnobotany | 1 | 61 | 329 | 313 |
| 634 | Fiber Optics | 7 | 61 | 698 | 1117 |
| 634 | Traditional medicine | 1 | 61 | 371 | 324 |
| 634 | Proteome | 2 | 61 | 1490 | 1692 |
| 634 | ethnobiology | 1 | 61 | 442 | 359 |
| 634 | rehabilitation | 5 | 61 | 1839 | 2645 |
| 634 | Ethnomedicine | 1 | 61 | 329 | 313 |
| 642 | Social Movements | 13 | 60 | 11 | 95 |
| 642 | Social policy | 13 | 60 | 367 | 943 |
| 642 | Radioisotopes | 7 | 60 | 776 | 1066 |
| 642 | Chemical analysis | 2 | 60 | 1511 | 1457 |
| 642 | Human biology | 5 | 60 | 455 | 650 |
| 647 | Neurotoxicology | 5 | 59 | 409 | 877 |
| 647 | Apoptosis | 5 | 59 | 146 | 415 |
| 647 | neurotoxins | 5 | 59 | 146 | 415 |
| 647 | Neurotoxic agents | 5 | 59 | 146 | 415 |
| 647 | International Finance | 9 | 59 | 965 | 1721 |
| 647 | Australia | 7 | 59 | 1257 | 1933 |
| 647 | Nerve regeneration | 5 | 59 | 146 | 415 |
| 654 | Multiphase Flow | 3 | 58 | 417 | 528 |
| 654 | Neural circuitry | 4 | 58 | 1802 | 2373 |
| 654 | locomotion | 1 | 58 | 1078 | 787 |
| 654 | Child Development | 5 | 58 | 1481 | 2323 |
| 654 | posture | 1 | 58 | 1078 | 787 |
| 654 | Malaria | 4 | 58 | 630 | 925 |
| 654 | Social behavior | 3 | 58 | 1148 | 1375 |
| 654 | gait | 1 | 58 | 1078 | 787 |
| 654 | walking | 1 | 58 | 1078 | 787 |
| 663 | Logic | 5 | 57 | 331 | 328 |
| 663 | Medical Imaging | 2 | 57 | 398 | 375 |
| 663 | Algorithms | 6 | 57 | 434 | 646 |
| 666 | Health Services Research | 3 | 56 | 1849 | 2044 |
| 666 | Visual Perception | 3 | 56 | 1766 | 2104 |
| 666 | biological agents | 15 | 56 | 137 | 264 |
| 669 | Neurovirology | 4 | 55 | 192 | 350 |
| 669 | Detectors | 6 | 55 | 1115 | 1760 |
| 671 | Child psychology | 3 | 54 | 1406 | 1858 |
| 672 | Algebra | 20 | 53 | 499 | 917 |
| 672 | Control Theory | 7 | 53 | 1200 | 1710 |
| 672 | Energy Consumption | 2 | 53 | 525 | 673 |
| 672 | Biomass | 2 | 53 | 913 | 1164 |
| 672 | body temperature | 3 | 53 | 519 | 633 |
| 677 | Immunotherapy | 5 | 52 | 1654 | 2724 |
| 677 | Databases | 1 | 52 | 640 | 460 |
| 677 | Population Genetics | 2 | 52 | 1410 | 1721 |
| 677 | Depression | 2 | 52 | 473 | 738 |
| 677 | Cell differentiation | 2 | 52 | 1956 | 2512 |
| 677 | X-rays | 3 | 52 | 674 | 651 |
| 683 | Ethics | 1 | 51 | 1631 | 933 |
| 683 | Developmental Immunology | 3 | 51 | 608 | 944 |
| 683 | supercritical fluids | 3 | 51 | 397 | 613 |
| 683 | African Americans | 1 | 51 | 331 | 143 |
| 683 | Fuzzy systems | 7 | 51 | 1022 | 1541 |
| 683 | African American | 1 | 51 | 262 | 119 |
| 689 | Thermodynamics | 6 | 50 | 874 | 1087 |
| 689 | Crystallization | 4 | 50 | 463 | 474 |
| 689 | Mass Media | 25 | 50 | 132 | 558 |
| 689 | Estuaries | 1 | 50 | 268 | 273 |
| 689 | commerce | 13 | 50 | 608 | 1708 |
| 694 | Sustainable Engineering | 4 | 49 | 1492 | 2227 |
| 694 | Semiconductors | 10 | 49 | 1269 | 2286 |
| 694 | Cardiovascular diseases | 4 | 49 | 1523 | 2012 |
| 694 | prostaglandins | 2 | 49 | 596 | 656 |
| 694 | Bones | 2 | 49 | 995 | 1330 |
| 694 | Radiation effects | 2 | 49 | 832 | 1015 |
| 700 | Organizational Sociology | 11 | 48 | 104 | 411 |
| 700 | Medical Oncology | 3 | 48 | 1932 | 2626 |
| 700 | Hydrodynamics | 6 | 48 | 425 | 808 |
| 700 | Library Science | 22 | 48 | 164 | 744 |
| 700 | Sun | 5 | 48 | 297 | 440 |
| 700 | Women's health | 1 | 48 | 2381 | 1695 |
| 706 | Magnetic Materials | 4 | 47 | 1456 | 1772 |
| 706 | Drug delivery systems | 5 | 47 | 1285 | 2370 |
| 706 | electrocatalysis | 1 | 47 | 239 | 131 |
| 706 | pigments | 6 | 47 | 580 | 1124 |
| 710 | Naval Architecture | 3 | 46 | 370 | 360 |
| 710 | Stem cells | 4 | 46 | 1418 | 2183 |
| 710 | food service | 2 | 46 | 119 | 74 |
| 713 | Physical Therapy | 2 | 45 | 1670 | 1832 |
| 713 | Randomized Controlled Trials | 4 | 45 | 1031 | 1338 |
| 713 | Neuromuscular diseases | 2 | 45 | 786 | 931 |
| 713 | Protozoa | 2 | 45 | 531 | 625 |
| 713 | Muscles | 2 | 45 | 1065 | 1344 |
| 718 | Radiation Protection | 4 | 44 | 595 | 556 |
| 718 | Carcinogenesis | 2 | 44 | 1301 | 1673 |
| 720 | Rheumatology | 1 | 43 | 1832 | 1601 |
| 720 | Dental Public Health | 1 | 43 | 300 | 206 |
| 720 | Atmospheric Chemistry | 2 | 43 | 1062 | 1350 |
| 720 | Functional equations | 2 | 43 | 259 | 121 |
| 720 | Feminism | 16 | 43 | 157 | 600 |
| 720 | arthritis | 1 | 43 | 1827 | 1928 |
| 726 | Hydraulic Engineering | 5 | 42 | 752 | 1187 |
| 726 | Natural resources | 5 | 42 | 567 | 1146 |
| 726 | radiation monitoring | 3 | 42 | 648 | 541 |
| 726 | Molecular recognition | 1 | 42 | 476 | 339 |
| 726 | Plant physiology | 4 | 42 | 1852 | 2806 |
| 726 | food contamination | 5 | 42 | 784 | 1386 |
| 726 | Geodynamics | 2 | 42 | 1023 | 1133 |
| 726 | ovary | 2 | 42 | 301 | 389 |
| 726 | peptides | 5 | 42 | 612 | 1052 |
| 726 | Radiation dosimetry | 3 | 42 | 496 | 416 |
| 736 | Conservation Biology | 2 | 41 | 1462 | 1709 |
| 736 | pain management | 1 | 41 | 1137 | 874 |
| 736 | Pituitary gland | 2 | 41 | 281 | 334 |
| 736 | livestock | 3 | 41 | 515 | 564 |
| 740 | Discrete Mathematics | 3 | 40 | 344 | 200 |
| 740 | health behavior | 3 | 40 | 996 | 1453 |
| 740 | graph | 3 | 40 | 344 | 200 |
| 740 | carcinogens | 1 | 40 | 1706 | 1693 |
| 740 | construction industry | 4 | 40 | 106 | 169 |
| 740 | mutagens | 1 | 40 | 1395 | 1500 |
| 740 | Population | 2 | 40 | 1116 | 1328 |
| 740 | Kidney diseases | 5 | 40 | 814 | 1398 |
| 748 | Development Economics | 3 | 39 | 424 | 595 |
| 748 | Energy Storage | 7 | 39 | 844 | 1703 |
| 748 | Oral Pathology | 1 | 39 | 206 | 165 |
| 748 | Business Ethics | 2 | 39 | 1092 | 1512 |
| 748 | plant molecular biology | 2 | 39 | 1810 | 2402 |
| 748 | child behavior | 2 | 39 | 471 | 592 |
| 748 | children | 2 | 39 | 600 | 653 |
| 755 | Archaeology | 7 | 38 | 838 | 1361 |
| 755 | Soil Mechanics | 3 | 38 | 1131 | 1482 |
| 755 | Rock Mechanics | 3 | 38 | 937 | 1226 |
| 755 | Radiobiology | 1 | 38 | 2241 | 2051 |
| 755 | Semiotics | 23 | 38 | 33 | 213 |
| 755 | Plastics | 3 | 38 | 1782 | 2114 |
| 755 | Building | 7 | 38 | 307 | 656 |
| 755 | mammals | 2 | 38 | 1271 | 1317 |
| 763 | Topology | 6 | 37 | 187 | 257 |
| 763 | Antibacterial agents | 1 | 37 | 1274 | 1314 |
| 763 | Fluorescence | 3 | 37 | 440 | 553 |
| 766 | Enzyme inhibitors | 4 | 36 | 294 | 677 |
| 766 | Animal husbandry | 2 | 36 | 390 | 440 |
| 766 | Developmental Neurobiology | 5 | 36 | 371 | 817 |
| 766 | Plant diseases | 3 | 36 | 1964 | 2351 |
| 766 | enzymes | 1 | 36 | 2444 | 2354 |
| 771 | Embedded Systems | 1 | 35 | 383 | 275 |
| 771 | Agricultural Chemistry | 4 | 35 | 2186 | 3221 |
| 771 | Nanophotonics | 1 | 35 | 576 | 597 |
| 771 | biological evolution | 3 | 35 | 2074 | 3160 |
| 771 | plant oils | 3 | 35 | 223 | 342 |
| 776 | Highway Engineering | 2 | 34 | 499 | 560 |
| 776 | Africa | 5 | 34 | 1185 | 1627 |
| 776 | Chemical industry | 1 | 34 | 2282 | 1698 |
| 776 | Climate | 2 | 34 | 762 | 1053 |
| 776 | weather | 2 | 34 | 728 | 1000 |
| 781 | Occupational Therapy | 7 | 33 | 639 | 1130 |
| 781 | Occupational Health | 7 | 33 | 643 | 1424 |
| 781 | social science | 1 | 33 | 287 | 340 |
| 781 | Familial diseases | 1 | 33 | 418 | 363 |
| 785 | Food Safety | 3 | 32 | 250 | 462 |
| 785 | Organometallic compounds | 5 | 32 | 1004 | 1685 |
| 787 | Industrial Policy | 2 | 31 | 619 | 750 |
| 787 | Infertility | 1 | 31 | 1410 | 1647 |
| 787 | Gerontology | 3 | 31 | 1999 | 2432 |
| 787 | Turbulence | 3 | 31 | 244 | 354 |
| 787 | Mineral resources | 1 | 31 | 1127 | 1142 |
| 787 | Adolescent | 5 | 31 | 1682 | 2852 |
| 787 | fertility | 1 | 31 | 1518 | 1746 |
| 794 | Palynology | 5 | 30 | 150 | 370 |
| 794 | Machine Learning | 4 | 30 | 292 | 568 |
| 794 | Nanoparticles | 4 | 30 | 1716 | 2746 |
| 794 | Globalization | 3 | 30 | 553 | 968 |
| 794 | Sleep | 7 | 30 | 1077 | 2227 |
| 799 | Immunopharmacology | 3 | 29 | 1227 | 1925 |
| 799 | Watershed management | 4 | 29 | 154 | 352 |
| 799 | Asia | 2 | 29 | 3704 | 3566 |
| 799 | Vision | 1 | 29 | 1038 | 1097 |
| 799 | Hippocampus | 1 | 29 | 506 | 657 |
| 804 | Urban Policy | 20 | 28 | 167 | 1400 |
| 804 | Marine Geophysics | 3 | 28 | 272 | 443 |
| 804 | Cardiac rehabilitation | 1 | 28 | 154 | 203 |
| 804 | Foodborne diseases | 3 | 28 | 240 | 520 |
| 804 | toxicity testing | 2 | 28 | 1033 | 1468 |
| 804 | heredity | 1 | 28 | 1185 | 1070 |
| 804 | textile fibers | 2 | 28 | 597 | 615 |
| 804 | Plants | 3 | 28 | 2126 | 2924 |
| 812 | Social Psychology | 2 | 27 | 2508 | 3059 |
| 812 | Emerging infectious diseases | 1 | 27 | 737 | 848 |
| 812 | Bioavailability | 2 | 27 | 104 | 171 |
| 812 | Foraminifera | 2 | 27 | 117 | 176 |
| 812 | protein | 2 | 27 | 1542 | 1891 |
| 812 | particles | 1 | 27 | 1804 | 1668 |
| 812 | Granular materials | 1 | 27 | 1114 | 1164 |
| 812 | concrete | 5 | 27 | 761 | 1618 |
| 812 | data protection | 1 | 27 | 1144 | 839 |
| 812 | Genes | 1 | 27 | 1950 | 1955 |
| 822 | Game Theory | 2 | 26 | 655 | 703 |
| 822 | Ergonomics | 1 | 26 | 1709 | 1484 |
| 822 | Energy Conversion | 4 | 26 | 1143 | 2052 |
| 822 | Computer Vision | 5 | 26 | 960 | 1942 |
| 822 | Environmental Economics | 1 | 26 | 793 | 665 |
| 822 | Stochastic Processes | 4 | 26 | 744 | 1192 |
| 822 | consumer behavior | 1 | 26 | 933 | 1016 |
| 822 | Chemical kinetics | 5 | 26 | 564 | 917 |
| 822 | fuel cells | 4 | 26 | 1169 | 1967 |
| 822 | Computational Complexity | 7 | 26 | 582 | 1315 |
| 822 | fossil | 2 | 26 | 50 | 62 |
| 833 | Literature | 11 | 25 | 328 | 267 |
| 833 | Green Technology | 3 | 25 | 364 | 888 |
| 833 | Genetic testing | 2 | 25 | 494 | 587 |
| 833 | Marine mineral resources | 2 | 25 | 217 | 265 |
| 833 | biobanks | 4 | 25 | 90 | 279 |
| 833 | Asymmetric synthesis | 4 | 25 | 49 | 166 |
| 833 | Alloys | 5 | 25 | 172 | 329 |
| 833 | Seabed | 2 | 25 | 217 | 265 |
| 833 | South America | 7 | 25 | 25 | 60 |
| 833 | Soil ecology | 1 | 25 | 1295 | 1456 |
| 843 | Nuclear Engineering | 8 | 24 | 1121 | 2069 |
| 843 | Nuclear Energy | 8 | 24 | 704 | 1386 |
| 843 | Global Health | 4 | 24 | 1012 | 1855 |
| 843 | Cybernetics | 4 | 24 | 1423 | 2490 |
| 843 | Contraception | 2 | 24 | 814 | 1227 |
| 843 | Reproductive health | 2 | 24 | 1069 | 1519 |
| 843 | Entrepreneurship | 1 | 24 | 1508 | 1659 |
| 843 | Hydrocarbons | 1 | 24 | 237 | 203 |
| 843 | Cytokine | 2 | 24 | 562 | 1016 |
| 843 | Birth control | 2 | 24 | 633 | 1028 |
| 853 | Nephrology | 2 | 23 | 719 | 1167 |
| 853 | Seismology | 1 | 23 | 842 | 786 |
| 853 | Computer Architecture | 5 | 23 | 421 | 763 |
| 853 | Plant Taxonomy | 2 | 23 | 511 | 651 |
| 853 | Social Networks | 2 | 23 | 424 | 643 |
| 853 | Emergency Medicine | 2 | 23 | 1735 | 2050 |
| 853 | Genetic disorders | 1 | 23 | 804 | 918 |
| 853 | Developmental Disabilities | 3 | 23 | 997 | 1784 |
| 853 | Welding | 3 | 23 | 305 | 342 |
| 853 | international trade | 5 | 23 | 520 | 1101 |
| 853 | Earthquakes | 1 | 23 | 661 | 587 |
| 853 | Therapeutics | 1 | 23 | 2957 | 3278 |
| 853 | scientific societies | 1 | 23 | 1362 | 1447 |
| 853 | ecotourism | 1 | 23 | 452 | 548 |
| 853 | Interactive multimedia | 2 | 23 | 769 | 1112 |
| 868 | behavioral medicine | 3 | 22 | 1360 | 2668 |
| 868 | vibration | 2 | 22 | 1436 | 1805 |
| 868 | Functional foods | 3 | 22 | 355 | 904 |
| 868 | Soft Condensed Matter | 4 | 22 | 961 | 1790 |
| 868 | risk factors | 2 | 22 | 905 | 1304 |
| 868 | Disease | 2 | 22 | 438 | 984 |
| 874 | Inventory Control | 3 | 21 | 46 | 263 |
| 874 | Health Information Management | 1 | 21 | 618 | 973 |
| 874 | Solar Energy | 3 | 21 | 1854 | 3060 |
| 874 | medical errors | 1 | 21 | 146 | 154 |
| 874 | nuclear astrophysics | 2 | 21 | 563 | 750 |
| 874 | Plant tissue culture | 1 | 21 | 1208 | 1360 |
| 874 | curriculum evaluation | 1 | 21 | 645 | 625 |
| 874 | safety | 1 | 21 | 193 | 213 |
| 874 | Carbohydrates | 2 | 21 | 586 | 950 |
| 874 | Learning | 2 | 21 | 1454 | 2057 |
| 874 | Middle East | 2 | 21 | 1277 | 1300 |
| 874 | Plant cell culture | 1 | 21 | 1119 | 1343 |
| 874 | Marine mammals | 1 | 21 | 452 | 515 |
| 887 | Systems Theory | 2 | 20 | 495 | 580 |
| 887 | Polymer Engineering | 1 | 20 | 275 | 226 |
| 887 | Special Education | 8 | 20 | 412 | 1073 |
| 887 | Pediatric Hematology | 1 | 20 | 673 | 540 |
| 887 | Pediatric Nursing | 1 | 20 | 771 | 834 |
| 887 | Evolutionary Computation | 2 | 20 | 607 | 1027 |
| 887 | animals | 5 | 20 | 1013 | 1893 |
| 887 | men | 1 | 20 | 612 | 647 |
| 887 | Roads | 2 | 20 | 940 | 1044 |
| 887 | viruses | 1 | 20 | 2200 | 2780 |
| 887 | Social work | 2 | 20 | 1804 | 2105 |
| 898 | Emergency Medical Services | 1 | 19 | 1287 | 1304 |
| 898 | Proteomics | 2 | 19 | 1465 | 2291 |
| 898 | Marine Biotechnology | 1 | 19 | 444 | 641 |
| 898 | Multicultural Education | 2 | 19 | 450 | 589 |
| 898 | Sustainable agriculture | 3 | 19 | 774 | 1459 |
| 898 | Research Design | 2 | 19 | 1574 | 2385 |
| 898 | Social Entrepreneurship | 1 | 19 | 288 | 396 |
| 898 | High performance computing | 2 | 19 | 96 | 90 |
| 898 | Agricultural systems | 1 | 19 | 607 | 872 |
| 898 | biopolymers | 3 | 19 | 1231 | 2079 |
| 898 | Growth factors | 1 | 19 | 589 | 889 |
| 909 | Plant Genetics | 1 | 18 | 1121 | 1381 |
| 909 | Earthquake Engineering | 3 | 18 | 1336 | 2122 |
| 909 | Supply Chain Management | 1 | 18 | 119 | 99 |
| 909 | Electromagnetism | 2 | 18 | 1302 | 1632 |
| 909 | Geomagnetism | 1 | 18 | 909 | 1043 |
| 909 | Hemostasis | 1 | 18 | 1309 | 1442 |
| 909 | Thrombosis | 1 | 18 | 1694 | 1993 |
| 909 | Intellectual Property | 2 | 18 | 285 | 229 |
| 909 | Online social networks | 1 | 18 | 679 | 707 |
| 909 | Plant genetic engineering | 1 | 18 | 1511 | 1763 |
| 909 | consumers | 1 | 18 | 698 | 796 |
| 909 | multimedia | 1 | 18 | 902 | 1047 |
| 909 | natural gas | 3 | 18 | 424 | 908 |
| 909 | amino acids | 1 | 18 | 1088 | 1351 |
| 909 | carbonate rocks | 1 | 18 | 286 | 223 |
| 924 | Urban Planning | 2 | 17 | 482 | 886 |
| 924 | Neurogenetics | 1 | 17 | 614 | 719 |
| 924 | Ceramics | 3 | 17 | 1682 | 2348 |
| 924 | Corporate Social Responsibility | 1 | 17 | 595 | 897 |
| 924 | environmental auditing | 1 | 17 | 615 | 910 |
| 924 | Urbanization | 2 | 17 | 232 | 455 |
| 924 | Knowledge management | 4 | 17 | 296 | 848 |
| 924 | Electron Microscopy | 1 | 17 | 739 | 771 |
| 924 | Glass | 3 | 17 | 1239 | 2007 |
| 924 | pottery | 3 | 17 | 1180 | 1944 |
| 924 | Navier-Stokes equations | 1 | 17 | 276 | 225 |
| 924 | drug toxicity | 1 | 17 | 972 | 1284 |
| 924 | Liver diseases | 1 | 17 | 2185 | 2724 |
| 937 | Humanities | 3 | 16 | 1820 | 2412 |
| 937 | Law | 11 | 16 | 552 | 1230 |
| 937 | Mobile Computing | 1 | 16 | 1791 | 1835 |
| 937 | Tribology | 3 | 16 | 1321 | 2046 |
| 937 | Ecological Genetics | 1 | 16 | 1135 | 1209 |
| 937 | Neuropsychiatry | 1 | 16 | 1354 | 1629 |
| 937 | Clinical Biochemistry | 1 | 16 | 2032 | 2313 |
| 937 | Genetic algorithms | 1 | 16 | 570 | 769 |
| 937 | Biomarkers | 1 | 16 | 925 | 1071 |
| 937 | patents | 1 | 16 | 211 | 220 |
| 937 | Edible plants | 4 | 16 | 136 | 661 |
| 937 | Antibodies | 1 | 16 | 1165 | 1369 |
| 937 | Iron | 3 | 16 | 357 | 634 |
| 937 | Antigens | 1 | 16 | 1445 | 1702 |
| 937 | biochemical markers | 1 | 16 | 1281 | 1547 |
| 937 | optical devices | 1 | 16 | 888 | 965 |
| 937 | pharmaceutical industry | 1 | 16 | 1133 | 1282 |
| 937 | antibiotics | 1 | 16 | 502 | 695 |
| 955 | Philosophy | 31 | 15 | 404 | 1328 |
| 955 | Early Childhood Education | 1 | 15 | 931 | 956 |
| 955 | Power Electronics | 1 | 15 | 1598 | 1861 |
| 955 | Neurosurgery | 1 | 15 | 1615 | 1947 |
| 955 | Environmental Education | 2 | 15 | 408 | 718 |
| 955 | Remote Sensing | 5 | 15 | 1247 | 2282 |
| 955 | Sleep Disorders | 6 | 15 | 1148 | 2597 |
| 955 | Infection control | 1 | 15 | 751 | 1076 |
| 955 | Vaccination | 1 | 15 | 582 | 807 |
| 955 | child abuse | 1 | 15 | 1339 | 1688 |
| 955 | Decision making | 2 | 15 | 1869 | 2765 |
| 955 | Peasants | 1 | 15 | 199 | 276 |
| 967 | Computational Chemistry | 1 | 14 | 1115 | 1302 |
| 967 | Information Retrieval | 1 | 14 | 914 | 1029 |
| 967 | Animal Nutrition | 1 | 14 | 951 | 1113 |
| 967 | Parallel Processing | 1 | 14 | 747 | 970 |
| 967 | Animal genetics | 1 | 14 | 998 | 1212 |
| 967 | big data | 4 | 14 | 499 | 1340 |
| 967 | acupuncture | 1 | 14 | 481 | 338 |
| 967 | Random graphs | 2 | 14 | 197 | 248 |
| 967 | Emulsions | 1 | 14 | 760 | 798 |
| 967 | Finite Element Method | 1 | 14 | 572 | 699 |
| 967 | Diplomatic relations | 11 | 14 | 263 | 731 |
| 967 | Sites | 1 | 14 | 888 | 1224 |
| 967 | diseases | 1 | 14 | 653 | 986 |
| 967 | Nitric oxide | 1 | 14 | 524 | 811 |
| 981 | Medical Technology | 2 | 13 | 2288 | 3618 |
| 981 | Phytochemistry | 1 | 13 | 657 | 875 |
| 981 | Agricultural Ecology | 1 | 13 | 1820 | 2427 |
| 981 | Agronomy | 1 | 13 | 917 | 1222 |
| 981 | Geographic information systems | 4 | 13 | 1002 | 2062 |
| 981 | Diabetes mellitus | 2 | 13 | 2520 | 4110 |
| 981 | Phytoremediation | 1 | 13 | 657 | 875 |
| 981 | environmental remediation | 1 | 13 | 794 | 1017 |
| 981 | Bioreactors | 1 | 13 | 657 | 875 |
| 981 | Religion and Psychology | 5 | 13 | 342 | 1086 |
| 981 | Shape Memory Alloys | 1 | 13 | 108 | 126 |
| 981 | elasticity | 1 | 13 | 404 | 430 |
| 981 | Shape memory polymers | 1 | 13 | 108 | 126 |
| 981 | Shape Memory Effect | 1 | 13 | 108 | 126 |
| 981 | drug control | 1 | 13 | 694 | 914 |
| 981 | Stress | 1 | 13 | 569 | 793 |
| 981 | Diabetes | 2 | 13 | 2663 | 4196 |
| 998 | Mathematics Education | 3 | 12 | 453 | 703 |
| 998 | International Relations | 2 | 12 | 1240 | 1423 |
| 998 | Product Design | 1 | 12 | 942 | 1031 |