| 1 | Chemistry | 921 | 42.9K | 518 | 451 |
| 2 | Physics | 360 | 21.4K | 1177 | 1115 |
| 3 | Microbiology | 245 | 14.3K | 750 | 579 |
| 4 | Science | 260 | 14.1K | 1210 | 1355 |
| 5 | Analytical Chemistry | 247 | 12.3K | 351 | 164 |
| 6 | Nutrition | 309 | 10.7K | 201 | 225 |
| 7 | Catalysis | 320 | 10.2K | 253 | 337 |
| 8 | Nanotechnology | 131 | 10.2K | 865 | 525 |
| 9 | Biology | 173 | 9.8K | 1587 | 1629 |
| 10 | Polymers | 307 | 8.5K | 384 | 379 |
| 11 | Medicine | 259 | 8.2K | 1284 | 1414 |
| 12 | Environmental Health | 159 | 7.9K | 572 | 448 |
| 13 | nanoscience | 62 | 7.3K | 630 | 269 |
| 14 | polymerization | 274 | 7.0K | 318 | 344 |
| 15 | Ecology | 116 | 6.5K | 1124 | 928 |
| 16 | Research | 194 | 6.3K | 1194 | 1094 |
| 17 | Mycology | 146 | 6.2K | 76 | 49 |
| 18 | Environment | 84 | 6.0K | 980 | 837 |
| 19 | Statistical physics | 64 | 5.8K | 1070 | 433 |
| 20 | Nonlinear Dynamics | 76 | 5.6K | 454 | 154 |
| 21 | Biochemistry | 196 | 5.5K | 1608 | 1673 |
| 22 | Food Microbiology | 141 | 5.4K | 32 | 45 |
| 23 | Molecular Biology | 198 | 5.2K | 1209 | 1598 |
| 24 | Food | 164 | 5.2K | 170 | 168 |
| 25 | Anthropology | 129 | 4.8K | 154 | 64 |
| 26 | biological evolution | 92 | 4.6K | 269 | 311 |
| 27 | actuators | 95 | 4.5K | 161 | 102 |
| 27 | transducers | 95 | 4.5K | 161 | 102 |
| 29 | Archaeology | 230 | 4.5K | 33 | 55 |
| 30 | Natural history | 16 | 4.1K | 2306 | 1730 |
| 31 | Meteorology | 22 | 4.1K | 990 | 356 |
| 32 | Diet | 84 | 4.1K | 305 | 280 |
| 33 | Environmental monitoring | 72 | 4.0K | 603 | 390 |
| 33 | Human evolution | 76 | 4.0K | 35 | 27 |
| 35 | Chemical Engineering | 131 | 3.9K | 750 | 809 |
| 36 | Diagnostic microbiology | 60 | 3.9K | 164 | 185 |
| 37 | Environmental Policy | 63 | 3.8K | 528 | 352 |
| 38 | Toxicology | 118 | 3.7K | 716 | 700 |
| 39 | Fungi | 60 | 3.6K | 121 | 63 |
| 40 | Biotechnology | 109 | 3.6K | 1132 | 1233 |
| 41 | Environmental Engineering | 54 | 3.3K | 862 | 555 |
| 42 | Agricultural Chemistry | 64 | 3.3K | 406 | 224 |
| 43 | food technology | 112 | 3.2K | 222 | 218 |
| 44 | Materials | 106 | 3.1K | 1459 | 1363 |
| 45 | Bacteriology | 60 | 3.0K | 383 | 376 |
| 46 | environmental protection | 52 | 3.0K | 668 | 370 |
| 47 | Pollution | 79 | 3.0K | 1203 | 1254 |
| 48 | Optics | 133 | 2.9K | 915 | 660 |
| 49 | Medical Microbiology | 26 | 2.9K | 914 | 430 |
| 50 | Graph Theory | 10 | 2.8K | 417 | 9 |
| 51 | Biomedical Engineering | 78 | 2.7K | 963 | 778 |
| 52 | Environmental Law | 38 | 2.6K | 166 | 124 |
| 53 | Sites | 58 | 2.5K | 41 | 38 |
| 54 | Bioengineering | 69 | 2.3K | 929 | 1135 |
| 55 | Neurology | 66 | 2.2K | 1622 | 1671 |
| 56 | Biophysics | 75 | 2.2K | 1562 | 1372 |
| 57 | Biosensors | 50 | 2.2K | 139 | 186 |
| 58 | Statistical Mechanics | 5 | 2.2K | 1165 | 70 |
| 59 | Metabolism | 64 | 2.2K | 713 | 848 |
| 60 | Paleontology | 111 | 2.2K | 117 | 124 |
| 61 | computer networks | 45 | 2.1K | 428 | 173 |
| 62 | Obesity | 44 | 2.0K | 502 | 429 |
| 63 | Economics | 97 | 2.0K | 842 | 720 |
| 64 | environmental pollution | 55 | 2.0K | 1147 | 1088 |
| 65 | Electronics | 91 | 2.0K | 643 | 521 |
| 66 | Electrophoresis | 58 | 2.0K | 188 | 131 |
| 67 | Bioelectronics | 43 | 2.0K | 122 | 179 |
| 68 | Cardiovascular diseases | 27 | 2.0K | 546 | 181 |
| 69 | Colloids | 61 | 1.9K | 992 | 980 |
| 70 | Chromatographic analysis | 65 | 1.9K | 211 | 109 |
| 71 | Chromatography | 64 | 1.9K | 153 | 82 |
| 72 | Optical materials | 85 | 1.9K | 388 | 613 |
| 73 | Organic Chemistry | 51 | 1.9K | 964 | 709 |
| 74 | Electrochemistry | 115 | 1.8K | 743 | 878 |
| 75 | mycoses | 44 | 1.8K | 61 | 145 |
| 76 | Surface Chemistry | 63 | 1.8K | 989 | 960 |
| 77 | Materials Science | 61 | 1.8K | 1358 | 1288 |
| 78 | energy conservation | 34 | 1.8K | 382 | 316 |
| 79 | Artificial Intelligence | 52 | 1.8K | 931 | 601 |
| 80 | Condensed Matter | 49 | 1.8K | 1309 | 1052 |
| 81 | Immunology | 27 | 1.8K | 1768 | 1319 |
| 82 | Biocompatible Materials | 44 | 1.8K | 1223 | 1220 |
| 83 | infection | 15 | 1.8K | 851 | 286 |
| 84 | Energy Policy | 51 | 1.8K | 460 | 570 |
| 85 | Infections | 13 | 1.7K | 605 | 230 |
| 86 | Nanostructured Materials | 46 | 1.7K | 1011 | 821 |
| 87 | Parasitic Diseases | 12 | 1.7K | 1282 | 338 |
| 88 | Physical Chemistry | 36 | 1.7K | 704 | 543 |
| 89 | Mathematics | 113 | 1.7K | 1391 | 1096 |
| 90 | Semiconductors | 78 | 1.7K | 224 | 164 |
| 91 | Water | 30 | 1.6K | 827 | 722 |
| 92 | Information Science | 53 | 1.6K | 372 | 375 |
| 93 | Research Design | 29 | 1.6K | 289 | 203 |
| 94 | Solid State Physics | 52 | 1.6K | 1379 | 1141 |
| 95 | Heat Exchangers | 42 | 1.6K | 153 | 134 |
| 96 | Clinical Chemistry | 43 | 1.6K | 834 | 738 |
| 97 | Climatology | 30 | 1.6K | 592 | 458 |
| 98 | Liposomes | 25 | 1.5K | 65 | 50 |
| 99 | Molecular structure | 58 | 1.5K | 385 | 505 |
| 100 | Environmental Management | 34 | 1.5K | 774 | 655 |
| 101 | Lipid bilayers | 24 | 1.5K | 62 | 49 |
| 102 | Renewable Energy Sources | 36 | 1.5K | 555 | 806 |
| 103 | Bioorganic chemistry | 27 | 1.4K | 1125 | 758 |
| 104 | Psychiatry | 54 | 1.4K | 1269 | 1437 |
| 105 | Paleoclimatology | 63 | 1.4K | 122 | 233 |
| 106 | Biomass Energy | 30 | 1.4K | 764 | 708 |
| 107 | Paleoecology | 60 | 1.3K | 112 | 213 |
| 108 | Public Health | 79 | 1.3K | 1189 | 1680 |
| 109 | Microbial Ecology | 13 | 1.3K | 1326 | 832 |
| 109 | Pharmaceutical Technology | 43 | 1.3K | 257 | 276 |
| 109 | catalytic activity | 43 | 1.3K | 57 | 92 |
| 112 | Enteral nutrition | 41 | 1.2K | 89 | 198 |
| 112 | Parenteral nutrition | 41 | 1.2K | 166 | 260 |
| 114 | Evolution | 75 | 1.2K | 287 | 650 |
| 115 | Paleogeography | 50 | 1.2K | 112 | 207 |
| 116 | Zeolites | 16 | 1.1K | 321 | 142 |
| 117 | Spectrum analysis | 29 | 1.1K | 1991 | 1610 |
| 118 | Geophysics | 6 | 1.1K | 3280 | 1329 |
| 119 | Pharmaceutical Chemistry | 30 | 1.1K | 1573 | 1391 |
| 120 | Membranes | 27 | 1.1K | 617 | 631 |
| 121 | Information Systems | 31 | 1.0K | 233 | 193 |
| 122 | Chemical analysis | 21 | 1.0K | 367 | 148 |
| 123 | Biochemical Engineering | 32 | 1.0K | 1116 | 1620 |
| 124 | Atmospheric Physics | 2 | 1.0K | 2251 | 592 |
| 125 | Green Chemistry | 32 | 978 | 494 | 642 |
| 126 | Nanoparticles | 9 | 975 | 1298 | 510 |
| 127 | Electrochemical Analysis | 24 | 936 | 502 | 322 |
| 128 | Engineering | 54 | 911 | 1013 | 917 |
| 129 | Environmental pollutants | 13 | 875 | 1241 | 629 |
| 130 | Industrial Engineering | 29 | 854 | 534 | 450 |
| 131 | Cytology | 21 | 849 | 2279 | 2344 |
| 132 | Behavior | 18 | 848 | 1508 | 1347 |
| 133 | Fluid Mechanics | 25 | 843 | 655 | 449 |
| 134 | Organometallic chemistry | 47 | 831 | 301 | 291 |
| 135 | Pharmacology | 14 | 830 | 3539 | 2358 |
| 136 | Astrophysics | 9 | 808 | 2501 | 1598 |
| 137 | Psychology | 72 | 785 | 1024 | 1690 |
| 138 | Regional Planning | 39 | 771 | 366 | 387 |
| 139 | enzymes | 7 | 755 | 1191 | 479 |
| 140 | Yeast | 16 | 750 | 109 | 87 |
| 141 | Lipids | 16 | 743 | 560 | 472 |
| 142 | Human genetics | 5 | 738 | 2259 | 2224 |
| 143 | Mathematical Physics | 15 | 733 | 1815 | 932 |
| 144 | Small Business | 10 | 712 | 384 | 348 |
| 145 | Ethnology | 48 | 697 | 225 | 202 |
| 146 | Metabolic diseases | 17 | 693 | 1327 | 1376 |
| 147 | Bioinorganic chemistry | 36 | 691 | 336 | 412 |
| 148 | Serology | 11 | 686 | 179 | 61 |
| 149 | Solid State Chemistry | 37 | 681 | 803 | 820 |
| 150 | energy resources | 17 | 679 | 529 | 668 |
| 151 | Epidemiology | 37 | 670 | 1267 | 1551 |
| 151 | Endocrinology | 16 | 670 | 1793 | 1705 |
| 153 | Social Sciences | 60 | 665 | 693 | 758 |
| 154 | Sustainable Development | 10 | 661 | 1231 | 616 |
| 155 | Industrial Microbiology | 17 | 657 | 830 | 811 |
| 156 | Environmental Toxicology | 5 | 655 | 2391 | 1067 |
| 157 | Structural dynamics | 10 | 653 | 639 | 372 |
| 158 | Astronomy | 10 | 652 | 2119 | 1538 |
| 159 | Tourism | 41 | 643 | 268 | 586 |
| 160 | sanitation | 11 | 624 | 960 | 968 |
| 161 | Neurophysiology | 23 | 616 | 1348 | 1588 |
| 162 | Image Processing | 28 | 604 | 587 | 732 |
| 163 | pain | 21 | 596 | 547 | 636 |
| 164 | Informatics | 6 | 583 | 697 | 205 |
| 165 | Computational Biology | 18 | 581 | 1298 | 1132 |
| 165 | Mental Disorders | 28 | 581 | 1187 | 1559 |
| 167 | Liver diseases | 5 | 576 | 1452 | 991 |
| 168 | Luminescence | 37 | 575 | 188 | 219 |
| 169 | Environmental Chemistry | 15 | 573 | 1028 | 1095 |
| 170 | Photonics | 17 | 559 | 851 | 906 |
| 170 | Aging | 18 | 559 | 1437 | 1155 |
| 172 | Pediatrics | 11 | 556 | 1776 | 1440 |
| 172 | Cell Biology | 17 | 556 | 2438 | 2819 |
| 174 | Dynamics | 22 | 552 | 664 | 387 |
| 175 | Database Management | 14 | 550 | 372 | 310 |
| 176 | proteins | 16 | 549 | 1111 | 915 |
| 177 | human behavior | 15 | 548 | 1170 | 1366 |
| 178 | Organometallic compounds | 21 | 547 | 462 | 447 |
| 178 | Europe | 39 | 547 | 969 | 1077 |
| 180 | Neurosurgery | 1 | 546 | 2295 | 459 |
| 181 | city planning | 30 | 543 | 430 | 465 |
| 182 | Sustainable Engineering | 19 | 541 | 646 | 711 |
| 183 | Geology | 21 | 538 | 1517 | 1355 |
| 183 | Proteome | 11 | 538 | 706 | 592 |
| 185 | Neurobiology | 18 | 535 | 896 | 1121 |
| 186 | Cancer | 16 | 523 | 2190 | 2193 |
| 187 | Psychometrics | 9 | 520 | 265 | 177 |
| 188 | Medical Laboratory Science | 9 | 518 | 1427 | 986 |
| 188 | risk factors | 3 | 518 | 888 | 233 |
| 190 | mass transfer | 38 | 505 | 379 | 705 |
| 191 | Electrical Engineering | 30 | 503 | 1357 | 843 |
| 192 | lasers | 22 | 498 | 681 | 432 |
| 193 | Physical organic chemistry | 14 | 496 | 693 | 460 |
| 194 | Product life cycle | 15 | 490 | 65 | 99 |
| 194 | green products | 15 | 490 | 60 | 99 |
| 196 | pollutants | 11 | 489 | 1101 | 882 |
| 197 | Health promotion | 13 | 487 | 720 | 573 |
| 198 | Linguistics | 23 | 478 | 550 | 390 |
| 199 | coal | 14 | 472 | 765 | 791 |
| 200 | Bifurcation Theory | 21 | 470 | 132 | 119 |
| 201 | Power Electronics | 20 | 464 | 184 | 140 |
| 202 | Nutrition physiology | 13 | 459 | 289 | 276 |
| 203 | free radicals | 11 | 455 | 874 | 859 |
| 204 | Carbon | 13 | 453 | 700 | 830 |
| 205 | Medical genetics | 15 | 452 | 1785 | 2078 |
| 206 | Biomass | 6 | 441 | 410 | 273 |
| 207 | Neurochemistry | 17 | 426 | 1257 | 1444 |
| 208 | Solar Energy | 18 | 425 | 631 | 861 |
| 209 | Mental illness | 17 | 417 | 1007 | 1303 |
| 210 | Neuropsychology | 12 | 416 | 1375 | 1194 |
| 211 | Data Mining | 18 | 409 | 519 | 688 |
| 212 | optical devices | 27 | 406 | 47 | 78 |
| 213 | Botany | 11 | 404 | 2765 | 2353 |
| 213 | Magnetic Materials | 16 | 404 | 718 | 668 |
| 215 | Antibacterial agents | 19 | 400 | 139 | 267 |
| 216 | Information Technology | 12 | 398 | 1397 | 826 |
| 217 | Virology | 8 | 397 | 2518 | 2628 |
| 218 | Computational Chemistry | 12 | 393 | 295 | 347 |
| 218 | Herbal medicine | 5 | 393 | 559 | 240 |
| 220 | drug toxicity | 2 | 386 | 718 | 87 |
| 221 | Psycholinguistics | 18 | 381 | 376 | 489 |
| 222 | Sociology | 31 | 379 | 918 | 1321 |
| 222 | Ethnoarchaeology | 7 | 379 | 81 | 51 |
| 224 | personality | 19 | 374 | 585 | 808 |
| 225 | Reproduction | 6 | 371 | 2132 | 1232 |
| 225 | Microorganisms | 13 | 371 | 587 | 761 |
| 227 | Genomics | 11 | 364 | 2288 | 1971 |
| 228 | Spain | 107 | 363 | 53 | 60 |
| 229 | Statistics | 15 | 361 | 1511 | 1174 |
| 230 | miniaturization | 11 | 360 | 1150 | 1285 |
| 231 | Environmental Microbiology | 6 | 359 | 1130 | 899 |
| 232 | cell interaction | 8 | 358 | 793 | 625 |
| 232 | Cell communication | 8 | 358 | 476 | 344 |
| 234 | Clinical Psychology | 5 | 357 | 1374 | 952 |
| 234 | Inflammation | 7 | 357 | 938 | 682 |
| 234 | cell adhesion molecules | 7 | 357 | 289 | 179 |
| 234 | cytokines | 7 | 357 | 987 | 685 |
| 238 | Radiation | 15 | 356 | 1156 | 938 |
| 238 | Aerosols | 7 | 356 | 429 | 238 |
| 240 | Molecular evolution | 9 | 354 | 1002 | 951 |
| 241 | Cryptography | 17 | 353 | 176 | 103 |
| 241 | Psychophysiology | 17 | 353 | 1512 | 1904 |
| 243 | Soft Condensed Matter | 12 | 352 | 613 | 559 |
| 244 | Medical Technology | 8 | 351 | 1247 | 769 |
| 245 | Embryology | 1 | 346 | 2783 | 1193 |
| 246 | Analytical Biochemistry | 19 | 337 | 623 | 886 |
| 246 | Bioinformatics | 10 | 337 | 1352 | 1192 |
| 246 | Molecules | 13 | 337 | 910 | 751 |
| 249 | Vocational guidance | 7 | 334 | 590 | 476 |
| 250 | Water pollution | 21 | 333 | 1188 | 1875 |
| 250 | aerosol | 6 | 333 | 334 | 161 |
| 252 | Systems Biology | 11 | 329 | 923 | 661 |
| 253 | biopolymers | 11 | 327 | 700 | 652 |
| 254 | Child | 16 | 321 | 1301 | 1272 |
| 254 | Stem cells | 4 | 321 | 1785 | 1097 |
| 256 | Paleobiology | 34 | 320 | 30 | 42 |
| 257 | System analysis | 14 | 319 | 1328 | 1153 |
| 258 | Australia | 18 | 318 | 742 | 677 |
| 259 | Crystallography | 5 | 317 | 1677 | 532 |
| 260 | Educational Technology | 12 | 312 | 730 | 570 |
| 261 | United Kingdom | 4 | 310 | 1775 | 1104 |
| 262 | clay | 12 | 309 | 299 | 435 |
| 262 | Virulence | 7 | 309 | 911 | 1093 |
| 264 | management | 22 | 308 | 1445 | 1942 |
| 264 | radioactive waste | 4 | 308 | 751 | 591 |
| 264 | industrial waste | 4 | 308 | 793 | 592 |
| 264 | Hazardous waste | 4 | 308 | 918 | 631 |
| 268 | biological factors | 3 | 304 | 2401 | 1052 |
| 269 | Translation | 11 | 301 | 33 | 6 |
| 269 | dietary supplements | 12 | 301 | 269 | 319 |
| 271 | Clinical Biochemistry | 10 | 296 | 841 | 666 |
| 272 | Genetics | 9 | 293 | 3010 | 3272 |
| 273 | Differential Equations | 26 | 292 | 260 | 381 |
| 274 | Technology | 16 | 290 | 2377 | 2360 |
| 275 | Nuclear Physics | 10 | 284 | 3207 | 2618 |
| 276 | Energy Conversion | 9 | 280 | 823 | 1070 |
| 277 | Telecommunication Systems | 16 | 275 | 637 | 645 |
| 278 | genome | 6 | 273 | 1407 | 1411 |
| 279 | Combustion | 14 | 270 | 648 | 742 |
| 280 | Physiology | 17 | 266 | 2374 | 3137 |
| 281 | Schizophrenia | 15 | 265 | 558 | 808 |
| 282 | Corporate Social Responsibility | 2 | 261 | 437 | 146 |
| 282 | environmental auditing | 2 | 261 | 457 | 150 |
| 282 | Nervous system | 4 | 261 | 2763 | 2038 |
| 282 | Cognition | 14 | 261 | 884 | 1081 |
| 286 | Education | 37 | 259 | 1221 | 1597 |
| 287 | Child Development | 13 | 257 | 1107 | 1312 |
| 288 | Software Engineering | 6 | 256 | 848 | 405 |
| 289 | Urban Policy | 7 | 252 | 501 | 375 |
| 290 | Molecular Spectroscopy | 11 | 249 | 1068 | 1002 |
| 290 | Radioisotopes | 9 | 249 | 810 | 476 |
| 292 | Communication | 56 | 248 | 352 | 942 |
| 293 | Language Acquisition | 6 | 245 | 294 | 192 |
| 293 | Bilingualism | 6 | 245 | 133 | 102 |
| 295 | Host-parasite interactions | 4 | 242 | 1338 | 1329 |
| 295 | Immunity | 4 | 242 | 2115 | 2087 |
| 297 | Anxiety Disorders | 5 | 237 | 425 | 494 |
| 297 | Anxiety | 5 | 237 | 426 | 494 |
| 297 | Brain | 12 | 237 | 1729 | 2092 |
| 300 | fuel cells | 11 | 234 | 782 | 1037 |
| 301 | Music | 1 | 231 | 1926 | 300 |
| 301 | auditory perception | 1 | 231 | 671 | 164 |
| 303 | Neuroplasticity | 2 | 229 | 563 | 116 |
| 303 | neuronal plasticity | 2 | 229 | 474 | 103 |
| 305 | Public Policy | 12 | 227 | 921 | 1073 |
| 306 | United States | 18 | 226 | 2666 | 3352 |
| 307 | Combinatorial chemistry | 5 | 225 | 772 | 676 |
| 308 | economic policy | 17 | 223 | 1166 | 1065 |
| 309 | Entrepreneurship | 4 | 222 | 1018 | 773 |
| 310 | Entropy | 7 | 220 | 712 | 340 |
| 311 | Database Security | 3 | 216 | 82 | 10 |
| 312 | Investment analysis | 5 | 215 | 662 | 361 |
| 312 | Human Resources | 8 | 215 | 217 | 294 |
| 314 | Economic History | 24 | 214 | 1480 | 1729 |
| 315 | Anatomy | 14 | 213 | 1118 | 1479 |
| 316 | Quality Control | 6 | 212 | 1523 | 1109 |
| 317 | International Finance | 9 | 211 | 1061 | 947 |
| 318 | Phylogeny | 6 | 209 | 720 | 775 |
| 319 | Sustainable agriculture | 2 | 208 | 1142 | 416 |
| 320 | Neural circuitry | 8 | 205 | 1408 | 1430 |
| 320 | psychotherapy | 2 | 205 | 1922 | 923 |
| 322 | Econometrics | 17 | 203 | 587 | 785 |
| 323 | Cell differentiation | 4 | 201 | 1884 | 1829 |
| 323 | finance | 12 | 201 | 1339 | 1277 |
| 325 | Molecular Microbiology | 4 | 199 | 895 | 938 |
| 325 | wood | 6 | 199 | 348 | 207 |
| 327 | Diabetes | 10 | 196 | 1552 | 2204 |
| 328 | Biodiversity | 11 | 195 | 1413 | 1732 |
| 329 | Thermodynamics | 11 | 194 | 637 | 478 |
| 329 | natural products | 3 | 194 | 2173 | 1070 |
| 331 | Social Change | 2 | 190 | 1428 | 854 |
| 331 | Paleopathology | 15 | 190 | 67 | 102 |
| 333 | Proteomics | 7 | 189 | 869 | 1016 |
| 333 | Metals | 7 | 189 | 1929 | 1608 |
| 335 | Agricultural Ecology | 1 | 188 | 2368 | 1095 |
| 335 | Agronomy | 1 | 188 | 1293 | 513 |
| 337 | Diabetes mellitus | 9 | 184 | 1573 | 2208 |
| 338 | Genetic engineering | 3 | 181 | 2783 | 1997 |
| 338 | Cerebral cortex | 1 | 181 | 1624 | 878 |
| 340 | Neurotoxicology | 6 | 179 | 405 | 446 |
| 340 | Molecular Genetics | 6 | 179 | 1618 | 1783 |
| 342 | Personality Assessment | 4 | 176 | 525 | 473 |
| 343 | Nanostructures | 8 | 175 | 1669 | 1856 |
| 344 | Transportation | 10 | 174 | 1041 | 1185 |
| 345 | biocatalysis | 4 | 173 | 163 | 354 |
| 345 | Homogeneous catalysis | 4 | 173 | 163 | 354 |
| 345 | Heterogeneous catalysis | 4 | 173 | 163 | 354 |
| 348 | Genetic regulation | 2 | 172 | 1798 | 1283 |
| 348 | cloning | 2 | 172 | 1035 | 872 |
| 350 | Quality of life | 9 | 171 | 936 | 1261 |
| 351 | Psychosomatic Medicine | 5 | 170 | 759 | 761 |
| 352 | Industrial Policy | 10 | 168 | 210 | 334 |
| 352 | consumers | 3 | 168 | 390 | 228 |
| 354 | Natural resources | 7 | 166 | 523 | 627 |
| 354 | Raman spectroscopy | 3 | 166 | 997 | 546 |
| 354 | violence | 5 | 166 | 789 | 668 |
| 357 | Health Education | 6 | 165 | 1636 | 1300 |
| 358 | Calorimetry | 10 | 164 | 642 | 612 |
| 358 | Thermal analysis | 10 | 164 | 642 | 612 |
| 360 | Thermochemistry | 7 | 162 | 358 | 328 |
| 361 | Catalysts | 19 | 161 | 153 | 449 |
| 362 | Agriculture | 14 | 160 | 1210 | 1783 |
| 363 | Computer Vision | 10 | 158 | 666 | 1083 |
| 363 | Quantum Chemistry | 6 | 158 | 733 | 470 |
| 363 | software | 6 | 158 | 685 | 789 |
| 366 | Drug design | 6 | 157 | 1445 | 1477 |
| 367 | Nanochemistry | 5 | 156 | 1152 | 633 |
| 368 | Critical Care | 7 | 154 | 1395 | 1958 |
| 368 | Critical Care Medicine | 6 | 154 | 1417 | 1919 |
| 368 | Multivariate Analysis | 4 | 154 | 481 | 315 |
| 371 | Recycling | 4 | 151 | 554 | 808 |
| 372 | Food additives | 5 | 150 | 1104 | 1129 |
| 372 | Bibliometrics | 6 | 150 | 65 | 94 |
| 374 | Geriatrics | 6 | 149 | 2817 | 2357 |
| 375 | Land Use Planning | 6 | 148 | 239 | 320 |
| 376 | Transnational corporations | 3 | 147 | 344 | 169 |
| 377 | Plastics | 13 | 146 | 942 | 1245 |
| 377 | carcinogens | 2 | 146 | 1535 | 1048 |
| 377 | Urban Areas | 11 | 146 | 52 | 96 |
| 380 | Ceramic materials | 6 | 145 | 1134 | 1000 |
| 380 | Cardiovascular system | 2 | 145 | 2340 | 2111 |
| 382 | technical education | 7 | 144 | 288 | 242 |
| 382 | Women's health | 11 | 144 | 656 | 945 |
| 384 | Obstetrics | 10 | 139 | 1873 | 2236 |
| 384 | Hematology | 5 | 139 | 3323 | 2838 |
| 384 | Adolescent | 12 | 139 | 1234 | 1680 |
| 387 | hydrocolloids | 3 | 138 | 693 | 764 |
| 388 | Regional Economics | 7 | 135 | 266 | 312 |
| 389 | complementary therapies | 3 | 134 | 2561 | 1553 |
| 389 | Classification | 2 | 134 | 416 | 175 |
| 391 | Health Policy | 13 | 133 | 1295 | 2019 |
| 391 | Composite Materials | 4 | 133 | 2848 | 2674 |
| 391 | plant viruses | 1 | 133 | 432 | 134 |
| 391 | Plant diseases | 2 | 133 | 2736 | 1547 |
| 391 | women | 3 | 133 | 980 | 323 |
| 396 | Systems Analysis | 6 | 132 | 877 | 754 |
| 397 | Eating Disorders | 3 | 131 | 1018 | 774 |
| 397 | Feeding and Eating Disorders | 3 | 131 | 975 | 749 |
| 397 | Hormones | 3 | 131 | 1637 | 1400 |
| 400 | Fluid Dynamics | 9 | 130 | 787 | 943 |
| 400 | Religion and Psychology | 1 | 130 | 1200 | 199 |
| 400 | gene mapping | 4 | 130 | 2270 | 2311 |
| 403 | cell physiology | 8 | 129 | 1150 | 1857 |
| 403 | world | 5 | 129 | 647 | 902 |
| 405 | Information Retrieval | 5 | 128 | 381 | 414 |
| 406 | Child welfare | 8 | 127 | 685 | 770 |
| 407 | Food Policy | 4 | 126 | 323 | 371 |
| 407 | Microbial Biotechnology | 6 | 126 | 758 | 835 |
| 407 | pain management | 6 | 126 | 522 | 541 |
| 407 | sex crimes | 3 | 126 | 679 | 454 |
| 411 | Databases | 1 | 125 | 727 | 331 |
| 411 | Water quality management | 13 | 125 | 929 | 1460 |
| 411 | Nutrigenomics | 8 | 125 | 29 | 90 |
| 411 | Plant cells | 1 | 125 | 1892 | 1613 |
| 415 | Primates | 3 | 124 | 897 | 561 |
| 416 | Industrial Ecology | 3 | 123 | 201 | 229 |
| 417 | Waste management | 11 | 122 | 756 | 1052 |
| 418 | Viticulture | 7 | 121 | 67 | 84 |
| 418 | health planning | 10 | 121 | 1340 | 1795 |
| 420 | Chemical industry | 6 | 120 | 1167 | 949 |
| 420 | extraterrestrial environment | 9 | 120 | 357 | 405 |
| 420 | astronomical phenomena | 9 | 120 | 327 | 365 |
| 423 | Quantum electronics | 6 | 117 | 872 | 516 |
| 424 | Neurolinguistics | 3 | 116 | 509 | 484 |
| 424 | Semigroups | 6 | 116 | 181 | 54 |
| 426 | Apoptosis | 1 | 115 | 659 | 239 |
| 426 | neurotoxins | 1 | 115 | 659 | 239 |
| 426 | Neurotoxic agents | 1 | 115 | 659 | 239 |
| 426 | Gerontology | 4 | 115 | 2112 | 1488 |
| 426 | Nerve regeneration | 1 | 115 | 659 | 239 |
| 431 | Building Materials | 3 | 113 | 2002 | 1905 |
| 431 | Signal Processing | 6 | 113 | 1687 | 1550 |
| 431 | mammals | 8 | 113 | 736 | 889 |
| 434 | Optical Communications | 5 | 111 | 526 | 396 |
| 434 | environmental exposure | 4 | 111 | 2125 | 2060 |
| 434 | place marketing | 5 | 111 | 43 | 113 |
| 437 | Earth Sciences | 6 | 110 | 2972 | 2923 |
| 438 | Intercultural Communication | 5 | 109 | 277 | 286 |
| 438 | Neonatology | 5 | 109 | 537 | 567 |
| 438 | solar power | 4 | 109 | 828 | 1053 |
| 438 | Chromosome mapping | 3 | 109 | 2393 | 2231 |
| 438 | solar cells | 4 | 109 | 942 | 1151 |
| 443 | Hydrology | 6 | 108 | 2258 | 2307 |
| 443 | nucleic acids | 1 | 108 | 3118 | 2193 |
| 445 | Gender Studies | 4 | 107 | 447 | 372 |
| 445 | Numerical Analysis | 14 | 107 | 1331 | 1768 |
| 445 | Human biology | 5 | 107 | 540 | 494 |
| 448 | Geography | 21 | 106 | 984 | 2178 |
| 448 | agricultural policy | 2 | 106 | 372 | 351 |
| 448 | population geography | 6 | 106 | 250 | 295 |
| 451 | Mental Health | 8 | 105 | 1149 | 1420 |
| 451 | Microwaves | 9 | 105 | 762 | 630 |
| 453 | Microelectronics | 12 | 104 | 1139 | 1944 |
| 453 | Carcinogenesis | 2 | 104 | 1547 | 1328 |
| 453 | Expert Systems | 4 | 104 | 109 | 103 |
| 456 | Quantum Optics | 4 | 103 | 967 | 790 |
| 456 | Fractals | 9 | 103 | 750 | 1020 |
| 456 | Scandinavia | 1 | 103 | 1501 | 686 |
| 456 | Atomic spectroscopy | 4 | 103 | 1227 | 1068 |
| 456 | Laser Spectroscopy | 4 | 103 | 899 | 734 |
| 461 | Ocean Engineering | 10 | 102 | 1077 | 1610 |
| 461 | International Education | 2 | 102 | 356 | 155 |
| 461 | Gastrointestinal diseases | 2 | 102 | 1144 | 569 |
| 464 | Public Relations | 2 | 101 | 698 | 281 |
| 465 | Total Quality Management | 5 | 100 | 365 | 406 |
| 465 | Feminism | 1 | 100 | 1143 | 339 |
| 465 | sexual orientation | 1 | 100 | 302 | 54 |
| 465 | Gender identity | 1 | 100 | 659 | 120 |
| 465 | Developmental Disabilities | 3 | 100 | 1185 | 1175 |
| 465 | Teaching | 10 | 100 | 1017 | 1282 |
| 471 | Biological Systems | 7 | 99 | 438 | 641 |
| 471 | Solitons | 8 | 99 | 665 | 947 |
| 471 | Chaos | 8 | 99 | 665 | 947 |
| 474 | Industrial Organization | 6 | 98 | 207 | 263 |
| 474 | Hydraulic Engineering | 3 | 98 | 1353 | 1026 |
| 474 | Biomechanics | 5 | 98 | 1374 | 1477 |
| 474 | Technological Innovations | 5 | 98 | 873 | 938 |
| 474 | Optoelectronic devices | 5 | 98 | 769 | 420 |
| 479 | Economic Geography | 7 | 96 | 194 | 294 |
| 479 | Health Information Management | 2 | 96 | 459 | 663 |
| 479 | Control Theory | 4 | 96 | 1799 | 1365 |
| 479 | Hydrodynamics | 2 | 96 | 832 | 656 |
| 479 | Health equity | 1 | 96 | 169 | 17 |
| 479 | environmental indicators | 4 | 96 | 1171 | 1410 |
| 479 | Water Purification | 10 | 96 | 610 | 1002 |
| 479 | urban health | 1 | 96 | 641 | 306 |
| 487 | Randomized Controlled Trials | 6 | 95 | 1017 | 962 |
| 487 | venom | 1 | 95 | 1799 | 808 |
| 487 | Toxins | 1 | 95 | 1957 | 896 |
| 490 | Systems Engineering | 6 | 94 | 1879 | 1701 |
| 490 | Wireless Communication Systems | 10 | 94 | 1325 | 1607 |
| 492 | Photochemistry | 4 | 93 | 1957 | 1920 |
| 492 | Oncogenes | 1 | 93 | 2088 | 1916 |
| 492 | Photobiology | 4 | 93 | 1518 | 1473 |
| 492 | protein | 7 | 93 | 1001 | 1368 |
| 492 | Physical fitness | 3 | 93 | 1260 | 1043 |
| 497 | drug therapy | 5 | 92 | 2401 | 2808 |
| 498 | data protection | 7 | 91 | 289 | 362 |
| 499 | Game Theory | 11 | 90 | 277 | 446 |
| 499 | Social Choice Theory | 6 | 90 | 147 | 152 |
| 499 | Molecular Pharmacology | 1 | 90 | 1578 | 1122 |
| 499 | Welfare Economics | 6 | 90 | 310 | 455 |
| 499 | Business | 9 | 90 | 1475 | 2181 |
| 504 | Plant physiology | 1 | 89 | 3527 | 2540 |
| 505 | Histology | 3 | 88 | 2354 | 2277 |
| 505 | transport vesicles | 1 | 88 | 543 | 577 |
| 507 | Clinical Pharmacology | 2 | 86 | 2275 | 1699 |
| 507 | Mass Spectrometry | 3 | 86 | 1495 | 1315 |
| 509 | Nursing | 18 | 85 | 785 | 1509 |
| 509 | Global Health | 4 | 85 | 1159 | 845 |
| 509 | Documentation | 6 | 85 | 217 | 295 |
| 512 | Public Health Administration | 5 | 84 | 364 | 287 |
| 512 | Land use | 4 | 84 | 1160 | 1329 |
| 512 | data collection | 6 | 84 | 906 | 1298 |
| 515 | Computer Science | 6 | 83 | 1910 | 1783 |
| 515 | Energy Storage | 6 | 83 | 1063 | 1313 |
| 517 | Mass Media | 7 | 82 | 683 | 429 |
| 517 | Property | 5 | 82 | 2 | 2 |
| 517 | Quantum theory | 1 | 82 | 1823 | 966 |
| 520 | Pharmacogenetics | 4 | 81 | 1148 | 1439 |
| 520 | Depression | 2 | 81 | 533 | 648 |
| 522 | big data | 2 | 80 | 824 | 432 |
| 522 | feeding behavior | 5 | 80 | 649 | 956 |
| 522 | Appetite | 5 | 80 | 564 | 872 |
| 525 | industrial relations | 7 | 79 | 582 | 709 |
| 526 | Psychopharmacology | 6 | 78 | 1442 | 2112 |
| 526 | Maternal health services | 4 | 78 | 392 | 493 |
| 526 | Microscopy | 10 | 78 | 1008 | 1498 |
| 529 | synthesis | 5 | 77 | 1009 | 827 |
| 529 | mathematical analysis | 7 | 77 | 2121 | 1916 |
| 531 | Radiology | 2 | 75 | 2534 | 1577 |
| 531 | Chemotherapy | 3 | 75 | 1912 | 1918 |
| 531 | Medical Physics | 6 | 75 | 1471 | 1845 |
| 534 | Medical Anthropology | 17 | 74 | 489 | 1935 |
| 534 | Crystal growth | 3 | 74 | 1275 | 1216 |
| 536 | rehabilitation | 9 | 73 | 1531 | 2612 |
| 537 | Clinical Immunology | 5 | 72 | 1323 | 1676 |
| 537 | Turbulence | 3 | 72 | 279 | 224 |
| 537 | Memory | 5 | 72 | 1875 | 2537 |
| 540 | Oncology | 5 | 71 | 2284 | 3622 |
| 540 | Social policy | 4 | 71 | 1008 | 871 |
| 540 | Learning | 4 | 71 | 1353 | 1521 |
| 540 | supercritical fluids | 2 | 71 | 566 | 542 |
| 544 | drug evaluation | 6 | 69 | 1136 | 1651 |
| 545 | food handling | 4 | 68 | 892 | 1352 |
| 546 | Mechanical Engineering | 3 | 67 | 3159 | 2200 |
| 546 | Operations Research | 20 | 67 | 995 | 2335 |
| 546 | Risk assessment | 7 | 67 | 348 | 613 |
| 546 | ecological risk assessment | 7 | 67 | 88 | 314 |
| 546 | mutagens | 2 | 67 | 1238 | 1424 |
| 546 | Health Risk Assessment | 7 | 67 | 208 | 464 |
| 552 | Group decision making | 10 | 66 | 210 | 560 |
| 552 | Allergy | 4 | 66 | 1358 | 2029 |
| 554 | Economic Development | 4 | 65 | 1768 | 2151 |
| 554 | Emergency Medicine | 5 | 65 | 1597 | 1785 |
| 554 | Latin America | 29 | 65 | 476 | 843 |
| 554 | Europa | 6 | 65 | 374 | 579 |
| 554 | Pregnancy | 5 | 65 | 805 | 1024 |
| 559 | innovation | 5 | 64 | 516 | 944 |
| 559 | toxicity testing | 2 | 64 | 1170 | 1024 |
| 559 | baking | 1 | 64 | 429 | 260 |
| 562 | Neuropsychiatry | 3 | 63 | 1110 | 1271 |
| 562 | Cardiovascular Pharmacology | 1 | 63 | 680 | 365 |
| 564 | Petroleum Engineering | 1 | 62 | 1459 | 891 |
| 564 | Andrology | 3 | 62 | 812 | 832 |
| 564 | Developing countries | 6 | 62 | 2108 | 2821 |
| 567 | Criminology | 5 | 61 | 791 | 854 |
| 567 | Ethics | 3 | 61 | 1161 | 900 |
| 567 | Experimental Design | 1 | 61 | 609 | 369 |
| 567 | Professional ethics | 2 | 61 | 422 | 315 |
| 567 | Argentina | 11 | 61 | 92 | 46 |
| 572 | Journalism | 6 | 60 | 407 | 390 |
| 572 | Primary health care | 8 | 60 | 1307 | 2161 |
| 572 | Antioxidants | 2 | 60 | 1133 | 1445 |
| 572 | Telecommunication | 4 | 60 | 2481 | 2134 |
| 572 | Intellectual disability | 5 | 60 | 738 | 1012 |
| 572 | vitamin C | 2 | 60 | 620 | 744 |
| 572 | vitamin E | 2 | 60 | 620 | 744 |
| 579 | Computer-Aided Design | 2 | 59 | 1873 | 1481 |
| 579 | Ultrasonics | 2 | 59 | 1623 | 1701 |
| 579 | Sonochemistry | 2 | 59 | 897 | 1186 |
| 579 | viruses | 1 | 59 | 2752 | 2505 |
| 583 | Business Ethics | 1 | 58 | 1653 | 1451 |
| 583 | water supply | 3 | 58 | 1127 | 1398 |
| 583 | Algal blooms | 3 | 58 | 349 | 548 |
| 583 | Cyanobacteria | 3 | 58 | 349 | 548 |
| 583 | microalgae | 3 | 58 | 349 | 548 |
| 588 | Zoology | 6 | 57 | 2384 | 2763 |
| 588 | Language Arts | 3 | 57 | 120 | 79 |
| 588 | Combinatorial analysis | 11 | 57 | 634 | 806 |
| 588 | plant oils | 11 | 57 | 102 | 275 |
| 592 | Computer Graphics | 5 | 56 | 1549 | 1933 |
| 592 | cosmic rays | 1 | 56 | 1008 | 568 |
| 592 | Lipid metabolism | 3 | 56 | 504 | 779 |
| 592 | breastfeeding | 6 | 56 | 349 | 677 |
| 592 | Lipid | 3 | 56 | 508 | 783 |
| 597 | Magnetic Resonance Spectroscopy | 2 | 55 | 1736 | 1412 |
| 597 | nuclear magnetic resonance spectroscopy | 2 | 55 | 1122 | 854 |
| 597 | particles | 4 | 55 | 1023 | 1279 |
| 597 | Leisure | 3 | 55 | 401 | 430 |
| 601 | Political Science | 10 | 54 | 1191 | 1503 |
| 601 | Medical Oncology | 3 | 54 | 2524 | 2859 |
| 601 | Manufacturing Processes | 2 | 54 | 3230 | 2749 |
| 601 | Sleep Disorders | 5 | 54 | 1668 | 2112 |
| 601 | technology transfer | 2 | 54 | 403 | 406 |
| 601 | Health | 5 | 54 | 2280 | 3177 |
| 601 | Coding Theory | 12 | 54 | 132 | 291 |
| 601 | Sports | 8 | 54 | 1502 | 2072 |
| 601 | Hallucinogens | 2 | 54 | 270 | 272 |
| 601 | Consumer education | 3 | 54 | 346 | 534 |
| 601 | drug abuse | 3 | 54 | 777 | 827 |
| 601 | Sleep | 5 | 54 | 1675 | 2119 |
| 613 | nuclear magnetic resonance | 1 | 53 | 1968 | 1316 |
| 613 | Decision making | 10 | 53 | 841 | 1867 |
| 613 | hygiene | 2 | 53 | 813 | 765 |
| 616 | Environmental carcinogens | 1 | 52 | 79 | 100 |
| 616 | alcoholism | 3 | 52 | 1794 | 2118 |
| 618 | Geomorphology | 5 | 51 | 1259 | 1991 |
| 618 | Securities | 3 | 51 | 342 | 513 |
| 618 | Attention | 6 | 51 | 1622 | 2738 |
| 618 | Fuzzy systems | 4 | 51 | 1820 | 1756 |
| 618 | Kidney diseases | 1 | 51 | 2005 | 1447 |
| 623 | Number Theory | 5 | 50 | 767 | 607 |
| 623 | Detectors | 4 | 50 | 965 | 816 |
| 623 | Bacterial diseases | 2 | 50 | 450 | 444 |
| 626 | Rural Development | 4 | 49 | 558 | 685 |
| 626 | Health Services Research | 8 | 49 | 1279 | 2353 |
| 626 | Nanoelectronics | 3 | 49 | 1058 | 922 |
| 626 | Oxidative stress | 2 | 49 | 1727 | 2110 |
| 626 | bioclimatology | 4 | 49 | 976 | 1319 |
| 626 | Homeostasis | 1 | 49 | 942 | 1365 |
| 626 | Malaria | 2 | 49 | 1117 | 1098 |
| 626 | Semiconductor industry | 3 | 49 | 778 | 740 |
| 626 | Cell metabolism | 1 | 49 | 1458 | 1551 |
| 626 | Oxidation-reduction | 2 | 49 | 1199 | 1627 |
| 636 | drug control | 3 | 48 | 438 | 578 |
| 637 | Cross-Cultural Studies | 3 | 47 | 780 | 890 |
| 637 | civil rights | 2 | 47 | 569 | 337 |
| 637 | Nutritional support | 1 | 47 | 378 | 356 |
| 637 | Public Choice | 6 | 47 | 225 | 490 |
| 637 | Sexuality | 2 | 47 | 439 | 321 |
| 637 | Cheminformatics | 2 | 47 | 513 | 642 |
| 637 | sexual behavior | 2 | 47 | 975 | 979 |
| 644 | Human Geography | 8 | 46 | 737 | 1249 |
| 644 | Phonetics | 1 | 46 | 624 | 422 |
| 644 | Animal Behavior | 3 | 46 | 2252 | 2939 |
| 644 | preventive medicine | 2 | 46 | 2078 | 2236 |
| 644 | Atherosclerosis | 2 | 46 | 256 | 343 |
| 649 | Marine Biology | 5 | 45 | 2463 | 3520 |
| 649 | Histochemistry | 3 | 45 | 1369 | 1513 |
| 649 | consumer behavior | 2 | 45 | 753 | 820 |
| 649 | Cognitive Science | 5 | 45 | 1387 | 2241 |
| 649 | Radio wave propagation | 1 | 45 | 1580 | 911 |
| 649 | animals | 3 | 45 | 1606 | 1529 |
| 655 | Pharmacognosy | 3 | 44 | 2227 | 2984 |
| 655 | Serbia | 4 | 44 | 88 | 53 |
| 657 | Automation | 7 | 43 | 1487 | 2445 |
| 657 | Naval Architecture | 3 | 43 | 367 | 346 |
| 657 | Radiation Protection | 5 | 43 | 637 | 644 |
| 657 | Human-Computer Interaction | 6 | 43 | 1213 | 2014 |
| 657 | behavioral medicine | 5 | 43 | 1178 | 2371 |
| 657 | Medical innovations | 1 | 43 | 2196 | 2558 |
| 657 | biomimicry | 1 | 43 | 343 | 278 |
| 664 | Peroxisomes | 1 | 42 | 227 | 197 |
| 664 | Neurons | 1 | 42 | 1201 | 1590 |
| 664 | Social work | 4 | 42 | 1476 | 1613 |
| 664 | arthritis | 2 | 42 | 1856 | 2355 |
| 664 | Textile industry | 1 | 42 | 1240 | 555 |
| 669 | Distance Education | 7 | 41 | 249 | 623 |
| 670 | Bioenergetics | 2 | 40 | 1273 | 1516 |
| 670 | Metallurgy | 4 | 40 | 2758 | 3094 |
| 670 | Law and Economics | 3 | 40 | 313 | 310 |
| 670 | Brachytherapy | 1 | 40 | 614 | 268 |
| 670 | Chemical processes | 1 | 40 | 1346 | 875 |
| 670 | Japan | 3 | 40 | 2698 | 2619 |
| 676 | Philosophy | 6 | 39 | 1442 | 1062 |
| 676 | Evolutionary Genetics | 1 | 39 | 1561 | 1258 |
| 676 | Plant Ecology | 3 | 39 | 2059 | 2794 |
| 676 | Molecular Epidemiology | 1 | 39 | 1561 | 1258 |
| 676 | Discrete Mathematics | 5 | 39 | 257 | 211 |
| 676 | Integrated Circuits | 5 | 39 | 682 | 587 |
| 676 | graph | 5 | 39 | 257 | 211 |
| 676 | ethanol | 2 | 39 | 748 | 820 |
| 684 | Logic | 3 | 38 | 540 | 433 |
| 684 | Medical Ethics | 7 | 38 | 832 | 1398 |
| 684 | Antiviral agents | 2 | 38 | 541 | 678 |
| 684 | Sedimentary rocks | 2 | 38 | 852 | 944 |
| 684 | crime | 2 | 38 | 915 | 729 |
| 684 | Suicide | 1 | 38 | 1171 | 897 |
| 690 | Computer Engineering | 1 | 37 | 1879 | 1159 |
| 690 | Structural design | 3 | 37 | 1050 | 1261 |
| 690 | Infection control | 1 | 37 | 1572 | 1294 |
| 690 | Adsorption | 3 | 37 | 234 | 349 |
| 690 | Computational Intelligence | 1 | 37 | 2148 | 1232 |
| 690 | drug resistance | 1 | 37 | 1715 | 1345 |
| 690 | Smart Materials | 3 | 37 | 1123 | 1389 |
| 690 | Geriatric Oncology | 3 | 37 | 743 | 1173 |
| 690 | Multimedia Systems | 4 | 37 | 1812 | 2037 |
| 690 | Personality Disorders | 1 | 37 | 555 | 488 |
| 690 | Semantic web | 1 | 37 | 423 | 276 |
| 701 | Geriatric Psychiatry | 3 | 36 | 1374 | 1937 |
| 701 | occupational diseases | 3 | 36 | 1149 | 1765 |
| 701 | Transplantation | 1 | 36 | 2221 | 2131 |
| 701 | Ventilation | 4 | 36 | 487 | 890 |
| 701 | ecotourism | 9 | 36 | 79 | 443 |
| 706 | Emergency Medical Services | 3 | 35 | 1028 | 1233 |
| 706 | Mobile Computing | 4 | 35 | 1181 | 1389 |
| 706 | Environmental Archaeology | 3 | 35 | 65 | 82 |
| 706 | Ethology | 2 | 35 | 2084 | 2664 |
| 706 | Enzyme | 1 | 35 | 1026 | 1075 |
| 706 | Cell death | 2 | 35 | 1792 | 2365 |
| 706 | Steroids | 1 | 35 | 1948 | 1721 |
| 706 | Youth | 2 | 35 | 922 | 1075 |
| 706 | Aggression | 1 | 35 | 919 | 846 |
| 706 | Classroom Environment | 2 | 35 | 86 | 137 |
| 706 | Perception | 5 | 35 | 1908 | 3264 |
| 717 | Dermatology | 2 | 34 | 2669 | 2601 |
| 717 | Soil Science | 3 | 34 | 2273 | 2951 |
| 717 | Engineering Mathematics | 8 | 34 | 1991 | 3003 |
| 717 | Biodegradation | 2 | 34 | 1139 | 1549 |
| 717 | Globalization | 1 | 34 | 1221 | 925 |
| 717 | sustainability | 4 | 34 | 767 | 1502 |
| 717 | forest policy | 1 | 34 | 791 | 643 |
| 717 | Longevity | 1 | 34 | 447 | 418 |
| 717 | Synapses | 1 | 34 | 593 | 603 |
| 717 | rejuvenation | 1 | 34 | 336 | 371 |
| 727 | Institutional Economics | 1 | 33 | 291 | 93 |
| 727 | Environmental Geology | 2 | 33 | 2368 | 2629 |
| 727 | radiocarbon dating | 1 | 33 | 203 | 120 |
| 727 | War and Society | 1 | 33 | 437 | 444 |
| 727 | warfare | 1 | 33 | 627 | 592 |
| 727 | peace | 1 | 33 | 957 | 735 |
| 727 | international cooperation | 1 | 33 | 1305 | 1099 |
| 734 | Information Theory | 7 | 32 | 942 | 1684 |
| 734 | Paleobiogeography | 4 | 32 | 76 | 111 |
| 734 | Second Language Acquisition | 1 | 32 | 413 | 397 |
| 734 | North America | 2 | 32 | 1387 | 1371 |
| 734 | Prospecting | 1 | 32 | 236 | 117 |
| 734 | investigative techniques | 2 | 32 | 189 | 363 |
| 734 | mathematical concepts | 5 | 32 | 290 | 570 |
| 734 | Catalyst | 8 | 32 | 4 | 168 |
| 742 | Humanities | 19 | 31 | 620 | 1775 |
| 742 | Pediatric Neurology | 1 | 31 | 1998 | 2407 |
| 742 | sports administration | 2 | 31 | 409 | 440 |
| 742 | body temperature | 1 | 31 | 1112 | 875 |
| 742 | Paleobotany | 2 | 31 | 243 | 334 |
| 742 | Vegetation dynamics | 2 | 31 | 232 | 326 |
| 742 | Autism | 3 | 31 | 843 | 1375 |
| 749 | Pathology | 4 | 30 | 2660 | 4357 |
| 749 | Biopharmaceutics | 2 | 30 | 1863 | 2262 |
| 749 | Economic Thought | 1 | 30 | 607 | 691 |
| 749 | Water Microbiology | 1 | 30 | 1115 | 1023 |
| 749 | Visual Perception | 4 | 30 | 1964 | 3204 |
| 749 | economic conditions | 1 | 30 | 1288 | 853 |
| 749 | Fouling | 1 | 30 | 578 | 621 |
| 756 | Law | 13 | 29 | 817 | 1140 |
| 756 | radiation monitoring | 2 | 29 | 1032 | 791 |
| 756 | Energy metabolism | 1 | 29 | 1177 | 1170 |
| 756 | Online social networks | 1 | 29 | 781 | 516 |
| 756 | mental health promotion | 1 | 29 | 358 | 312 |
| 756 | Neuromuscular diseases | 1 | 29 | 1353 | 1341 |
| 756 | Computational Complexity | 6 | 29 | 864 | 1426 |
| 756 | disabilities | 5 | 29 | 651 | 1353 |
| 756 | cell membrane | 1 | 29 | 1116 | 1142 |
| 756 | internet | 1 | 29 | 2475 | 1740 |
| 756 | Muscles | 1 | 29 | 1760 | 1805 |
| 756 | pigments | 3 | 29 | 990 | 1493 |
| 768 | Ceramics | 4 | 28 | 1714 | 2275 |
| 768 | Sports Medicine | 2 | 28 | 3717 | 3399 |
| 768 | Medicinal plants | 1 | 28 | 2838 | 2851 |
| 768 | Wireless Communication | 2 | 28 | 682 | 684 |
| 768 | machinery | 1 | 28 | 1659 | 1255 |
| 768 | Glass | 4 | 28 | 1229 | 1974 |
| 768 | pottery | 4 | 28 | 1184 | 1929 |
| 768 | stocks | 1 | 28 | 346 | 409 |
| 768 | Aquaculture | 3 | 28 | 1753 | 2225 |
| 777 | Cloud Computing | 1 | 27 | 572 | 449 |
| 777 | Communication and Culture | 2 | 27 | 416 | 330 |
| 777 | Marine Pollution | 4 | 27 | 1244 | 2390 |
| 777 | cooperation | 1 | 27 | 347 | 172 |
| 777 | acupuncture | 1 | 27 | 530 | 184 |
| 777 | Social interaction | 2 | 27 | 439 | 572 |
| 777 | Asia | 3 | 27 | 3667 | 4020 |
| 784 | Occupational Health | 2 | 26 | 1865 | 1832 |
| 784 | Mathematical Economics | 4 | 26 | 282 | 456 |
| 784 | Municipal Engineering | 1 | 26 | 927 | 811 |
| 784 | Telemedicine | 1 | 26 | 1008 | 978 |
| 784 | Multiphase Flow | 4 | 26 | 354 | 766 |
| 784 | Climate change | 3 | 26 | 1253 | 2466 |
| 784 | Infertility | 1 | 26 | 1979 | 2079 |
| 784 | civilization | 17 | 26 | 568 | 722 |
| 784 | fertility | 1 | 26 | 2080 | 2189 |
| 784 | Bones | 1 | 26 | 1822 | 1859 |
| 784 | Emotions | 2 | 26 | 784 | 1109 |
| 795 | Pharmacy | 1 | 25 | 4157 | 3894 |
| 795 | Physical Geography | 1 | 25 | 1242 | 960 |
| 795 | Blended Learning | 3 | 25 | 15 | 39 |
| 795 | Travel | 7 | 25 | 579 | 1593 |
| 795 | Geodynamics | 1 | 25 | 1476 | 1479 |
| 795 | Learning strategies | 3 | 25 | 15 | 43 |
| 795 | Biomolecules | 2 | 25 | 695 | 1169 |
| 795 | Radiation dosimetry | 1 | 25 | 1127 | 669 |
| 795 | Structure-activity relationship | 2 | 25 | 679 | 766 |
| 804 | Nuclear Chemistry | 6 | 24 | 982 | 1619 |
| 804 | Radiochemistry | 6 | 24 | 914 | 1484 |
| 804 | Bioethics | 5 | 24 | 833 | 1400 |
| 804 | Strategic planning | 2 | 24 | 1109 | 1343 |
| 804 | Qualitative Research | 4 | 24 | 466 | 828 |
| 804 | nursing ethics | 5 | 24 | 145 | 550 |
| 804 | Communication in medicine | 1 | 24 | 1085 | 1010 |
| 804 | ecosystem | 3 | 24 | 1637 | 2767 |
| 804 | weight loss | 3 | 24 | 170 | 344 |
| 813 | Coastal zone management | 1 | 23 | 1404 | 1388 |
| 813 | Fermentation | 2 | 23 | 426 | 571 |
| 813 | Formal Languages | 3 | 23 | 268 | 280 |
| 813 | Marine resources | 1 | 23 | 1423 | 1420 |
| 813 | brewing | 2 | 23 | 355 | 409 |
| 813 | Capital market | 2 | 23 | 577 | 832 |
| 813 | atmosphere | 3 | 23 | 991 | 1676 |
| 820 | Metallic Glasses | 1 | 22 | 895 | 910 |
| 820 | Porous materials | 3 | 22 | 920 | 1312 |
| 820 | Cellulose | 1 | 22 | 1382 | 1424 |
| 823 | health behavior | 2 | 21 | 1482 | 2104 |
| 823 | Organizational change | 2 | 21 | 1056 | 1295 |
| 823 | Learning disabilities | 2 | 21 | 1135 | 1426 |
| 823 | Environmental risk assessment | 3 | 21 | 465 | 903 |
| 823 | Granular materials | 1 | 21 | 1283 | 1386 |
| 823 | econometric models | 5 | 21 | 481 | 1230 |
| 829 | Cytogenetics | 1 | 20 | 3015 | 3420 |
| 829 | Nanobiotechnology | 2 | 20 | 651 | 1247 |
| 829 | air quality management | 4 | 20 | 475 | 1437 |
| 829 | Fire ecology | 1 | 20 | 161 | 177 |
| 829 | Indoor air quality | 2 | 20 | 142 | 180 |
| 829 | adolescence | 2 | 20 | 1275 | 1766 |
| 829 | Adolescent Psychology | 2 | 20 | 1239 | 1636 |
| 829 | Air Conditioning | 2 | 20 | 304 | 365 |
| 829 | Structural Equation Modeling | 2 | 20 | 157 | 242 |
| 829 | foreign exchange | 1 | 20 | 715 | 765 |
| 829 | marketing | 2 | 20 | 2521 | 3018 |
| 829 | China | 4 | 20 | 3194 | 5141 |
| 829 | heating | 2 | 20 | 228 | 320 |
| 829 | Nanotubes | 1 | 20 | 515 | 325 |
| 829 | Maps | 4 | 20 | 132 | 335 |
| 829 | Trace elements | 1 | 20 | 651 | 880 |
| 829 | Genes | 1 | 20 | 2304 | 2332 |
| 846 | Physical Therapy | 2 | 19 | 2041 | 2775 |
| 846 | Robotics | 2 | 19 | 2341 | 2848 |
| 846 | Early Childhood Education | 1 | 19 | 1071 | 894 |
| 846 | Radiation Oncology | 1 | 19 | 781 | 906 |
| 846 | Morphology | 3 | 19 | 1017 | 1391 |
| 846 | X-rays | 1 | 19 | 1499 | 1252 |
| 846 | older people | 3 | 19 | 2064 | 2475 |
| 846 | Chronic diseases | 1 | 19 | 1440 | 1732 |
| 854 | Marine Ecology | 1 | 18 | 1444 | 1454 |
| 854 | Higher Education | 4 | 18 | 538 | 978 |
| 854 | Animal Nutrition | 3 | 18 | 673 | 1118 |
| 854 | Animal breeding | 2 | 18 | 1096 | 1460 |
| 854 | food contamination | 3 | 18 | 1354 | 2180 |
| 854 | Animal genetics | 2 | 18 | 843 | 1238 |
| 854 | blood transfusion | 1 | 18 | 1636 | 1599 |
| 854 | Shape Memory Alloys | 1 | 18 | 121 | 104 |
| 854 | elasticity | 1 | 18 | 476 | 440 |
| 854 | Shape memory polymers | 1 | 18 | 121 | 104 |
| 854 | organizational effectiveness | 1 | 18 | 939 | 873 |
| 854 | Shape Memory Effect | 1 | 18 | 121 | 104 |
| 854 | medical education | 4 | 18 | 2167 | 3489 |
| 854 | cross-cultural comparison | 6 | 18 | 345 | 1163 |
| 854 | scientific societies | 2 | 18 | 1281 | 1860 |
| 869 | Pediatric Dermatology | 1 | 17 | 966 | 939 |
| 869 | Process Control | 1 | 17 | 1650 | 2087 |
| 869 | Educational Psychology | 5 | 17 | 1244 | 2463 |
| 869 | Industrial Safety | 2 | 17 | 1859 | 2306 |
| 869 | Behavioral Genetics | 1 | 17 | 489 | 663 |
| 869 | Substance Abuse | 4 | 17 | 1517 | 2899 |
| 869 | Production Management | 1 | 17 | 1963 | 2316 |
| 869 | Tropical Medicine | 1 | 17 | 3763 | 3743 |
| 877 | Aerospace Engineering | 3 | 16 | 497 | 719 |
| 877 | Bryology | 2 | 16 | 345 | 406 |
| 877 | Social Psychology | 3 | 16 | 2454 | 3990 |
| 877 | Sociolinguistics | 7 | 16 | 288 | 743 |
| 877 | health services accessibility | 4 | 16 | 993 | 1934 |
| 877 | Socioeconomic Factors | 3 | 16 | 917 | 1943 |
| 877 | Heritage Tourism | 3 | 16 | 110 | 322 |
| 877 | cultural tourism | 3 | 16 | 108 | 322 |
| 877 | indoor air pollution | 2 | 16 | 607 | 1116 |
| 877 | mosses | 2 | 16 | 194 | 254 |
| 877 | liverworts | 2 | 16 | 194 | 254 |
| 877 | Sick building syndrome | 2 | 16 | 607 | 1116 |
| 877 | Petroleum | 3 | 16 | 390 | 581 |
| 877 | energy development | 3 | 16 | 1037 | 2152 |
| 877 | natural gas | 3 | 16 | 496 | 1011 |
| 877 | drugs | 1 | 16 | 4357 | 4624 |
| 877 | alcohol | 1 | 16 | 230 | 185 |
| 894 | Community Psychiatry | 1 | 15 | 2148 | 2430 |
| 894 | Production Engineering | 1 | 15 | 3640 | 3415 |
| 894 | Mutagenesis | 1 | 15 | 1092 | 1239 |
| 894 | Knowledge | 1 | 15 | 783 | 637 |
| 894 | Mechanics | 2 | 15 | 2037 | 2226 |
| 894 | Volcanoes | 1 | 15 | 570 | 687 |
| 894 | Psychiatric Epidemiology | 1 | 15 | 1097 | 1485 |
| 901 | Marine Meteorology | 1 | 14 | 653 | 757 |
| 901 | Pharmacogenomics | 1 | 14 | 770 | 1080 |
| 901 | Developmental Biology | 2 | 14 | 2975 | 4321 |
| 901 | Hemostasis | 2 | 14 | 1244 | 1838 |
| 901 | Thrombosis | 2 | 14 | 1663 | 2504 |
| 901 | Social Issues | 2 | 14 | 348 | 635 |
| 901 | isomerism | 1 | 14 | 762 | 854 |
| 901 | tests | 1 | 14 | 389 | 524 |
| 901 | Chirality | 1 | 14 | 762 | 854 |
| 910 | Cognitive Psychology | 1 | 13 | 853 | 770 |
| 910 | Environmental Education | 1 | 13 | 826 | 845 |
| 910 | Environmental Economics | 3 | 13 | 474 | 1051 |
| 910 | Chemical kinetics | 3 | 13 | 947 | 1400 |
| 910 | Health insurance | 1 | 13 | 1029 | 1094 |
| 910 | Social problems | 1 | 13 | 1190 | 1356 |
| 910 | Imaging systems | 2 | 13 | 1318 | 1604 |
| 910 | drug addiction | 1 | 13 | 2196 | 2688 |
| 910 | Alzheimer's disease | 3 | 13 | 1803 | 2233 |
| 919 | Occupational Therapy | 1 | 12 | 2316 | 1989 |
| 919 | Sustainable Architecture | 1 | 12 | 405 | 337 |
| 919 | industrial hygiene | 1 | 12 | 2638 | 2302 |
| 919 | micromechanics | 2 | 12 | 935 | 1500 |
| 919 | food industry | 2 | 12 | 1079 | 1492 |
| 919 | language | 1 | 12 | 1486 | 1566 |
| 925 | History | 2 | 11 | 1653 | 940 |
| 925 | Mathematics Education | 1 | 11 | 914 | 814 |
| 925 | Signal Transduction | 1 | 11 | 2673 | 3353 |
| 925 | Demography | 3 | 11 | 850 | 1682 |
| 925 | Applied Linguistics | 1 | 11 | 1202 | 1048 |
| 925 | Analytical Toxicology | 2 | 11 | 350 | 734 |
| 925 | Simulation | 1 | 11 | 524 | 728 |
| 925 | Immunochemistry | 2 | 11 | 1647 | 2458 |
| 925 | Intelligent Control Systems | 3 | 11 | 1432 | 2204 |
| 925 | Outdoor recreation | 2 | 11 | 103 | 270 |
| 925 | theoretical models | 1 | 11 | 524 | 728 |
| 925 | food service | 1 | 11 | 242 | 201 |
| 925 | commerce | 2 | 11 | 2376 | 3031 |
| 938 | Tissue Engineering | 1 | 10 | 738 | 955 |
| 938 | Human Rights | 3 | 10 | 669 | 1245 |
| 938 | Surface-Active Agents | 2 | 10 | 1625 | 2948 |
| 938 | Patient education | 1 | 10 | 1301 | 1838 |
| 938 | Critical Legal Studies | 2 | 10 | 173 | 246 |
| 938 | Synaptic Transmission | 1 | 10 | 1033 | 1426 |
| 938 | Measurement | 1 | 10 | 2587 | 2992 |
| 938 | social justice | 3 | 10 | 422 | 645 |
| 938 | Cardiopulmonary Resuscitation | 3 | 10 | 169 | 243 |
| 938 | Mitochondria | 1 | 10 | 775 | 1057 |
| 938 | cardiac arrest | 3 | 10 | 169 | 243 |
| 938 | Surface properties | 2 | 10 | 1718 | 3062 |
| 938 | Language planning | 4 | 10 | 139 | 298 |
| 938 | counseling | 1 | 10 | 2677 | 2990 |
| 938 | economic analysis | 1 | 10 | 606 | 676 |
| 938 | sex differences | 2 | 10 | 206 | 519 |
| 938 | Liquid chromatography | 1 | 10 | 1187 | 1238 |
| 955 | Rheumatology | 1 | 9 | 2406 | 2820 |
| 955 | Urban Planning | 2 | 9 | 589 | 1115 |
| 955 | Biogeography | 1 | 9 | 1740 | 2363 |
| 955 | Vocational Education | 2 | 9 | 724 | 1164 |
| 955 | soil microbiology | 1 | 9 | 2768 | 3756 |
| 955 | Mineral resources | 2 | 9 | 878 | 1707 |
| 955 | research and development | 1 | 9 | 774 | 993 |
| 955 | Parkinson's disease | 1 | 9 | 605 | 742 |
| 955 | Germany | 2 | 9 | 1110 | 1150 |
| 955 | disease outbreaks | 1 | 9 | 1215 | 1778 |
| 955 | Epidemics | 1 | 9 | 1140 | 1729 |
| 955 | Population | 2 | 9 | 1600 | 2448 |
| 955 | biological monitoring | 1 | 9 | 1142 | 1714 |
| 955 | India | 1 | 9 | 3895 | 3119 |
| 969 | Ergonomics | 2 | 8 | 1525 | 2303 |
| 969 | Music Therapy | 1 | 8 | 538 | 649 |
| 969 | Art Therapy | 1 | 8 | 474 | 586 |
| 969 | Kinetics | 1 | 8 | 1135 | 1429 |
| 969 | Historiography | 1 | 8 | 414 | 294 |
| 969 | community development | 1 | 8 | 1220 | 1378 |
| 969 | Political Ecology | 2 | 8 | 108 | 198 |
| 969 | Popular culture | 2 | 8 | 751 | 736 |
| 969 | Combinatorial optimization | 2 | 8 | 758 | 1083 |
| 969 | Superconductors | 2 | 8 | 1027 | 1356 |
| 969 | business cycles | 1 | 8 | 91 | 47 |
| 969 | Neurotransmitters | 1 | 8 | 1110 | 1074 |
| 969 | Social welfare | 2 | 8 | 828 | 1569 |
| 969 | Dance therapy | 1 | 8 | 416 | 491 |
| 969 | Electron Microscopy | 1 | 8 | 877 | 1132 |
| 969 | Adhesion | 1 | 8 | 1436 | 1767 |
| 969 | Superconductivity | 2 | 8 | 760 | 1115 |
| 969 | Public Finance | 4 | 8 | 129 | 477 |
| 969 | Housing | 1 | 8 | 964 | 1297 |
| 969 | Hospitality industry | 2 | 8 | 596 | 1252 |
| 969 | Information management | 1 | 8 | 237 | 361 |
| 969 | drug development | 1 | 8 | 2308 | 3244 |
| 969 | adhesives | 1 | 8 | 1527 | 1804 |
| 969 | Spanish language | 2 | 8 | 224 | 131 |
| 969 | carbon monoxide | 2 | 8 | 477 | 1182 |
| 969 | recreation | 1 | 8 | 1260 | 1365 |
| 995 | Marine Engineering | 2 | 7 | 443 | 633 |
| 995 | Nanomedicine | 1 | 7 | 603 | 1087 |
| 995 | Intelligent Transportation Systems | 1 | 7 | 1446 | 1786 |
| 995 | Adult Education | 1 | 7 | 1183 | 1277 |
| 995 | Financial Engineering | 1 | 7 | 542 | 764 |
| 995 | Restoration Ecology | 1 | 7 | 963 | 1266 |