| 1 | Chemistry | 898 | 47.8K | 483 | 467 |
| 2 | Physics | 350 | 25.4K | 1176 | 1132 |
| 3 | Science | 256 | 17.7K | 1257 | 1376 |
| 4 | Microbiology | 244 | 16.6K | 753 | 595 |
| 5 | Analytical Chemistry | 246 | 13.9K | 335 | 175 |
| 6 | Biology | 164 | 12.8K | 1704 | 1691 |
| 7 | Nutrition | 301 | 12.1K | 210 | 231 |
| 8 | Nanotechnology | 126 | 11.8K | 860 | 502 |
| 9 | Catalysis | 315 | 11.2K | 249 | 329 |
| 10 | Environmental Health | 158 | 9.6K | 566 | 449 |
| 11 | Medicine | 257 | 9.5K | 1354 | 1527 |
| 12 | Polymers | 309 | 9.1K | 374 | 377 |
| 13 | nanoscience | 60 | 8.6K | 612 | 262 |
| 14 | polymerization | 276 | 7.5K | 306 | 347 |
| 15 | Ecology | 114 | 7.5K | 1131 | 948 |
| 16 | Mycology | 146 | 7.4K | 77 | 50 |
| 17 | Research | 194 | 7.2K | 1260 | 1196 |
| 18 | Environment | 83 | 7.0K | 970 | 856 |
| 19 | Biochemistry | 193 | 6.5K | 1668 | 1727 |
| 20 | Food Microbiology | 141 | 6.3K | 37 | 48 |
| 21 | Molecular Biology | 196 | 6.3K | 1254 | 1704 |
| 22 | Statistical physics | 64 | 6.2K | 1039 | 396 |
| 23 | Natural history | 14 | 6.0K | 2535 | 1636 |
| 24 | Nonlinear Dynamics | 76 | 5.9K | 437 | 144 |
| 25 | Food | 160 | 5.8K | 172 | 179 |
| 26 | Anthropology | 125 | 5.3K | 146 | 59 |
| 27 | Archaeology | 219 | 5.2K | 39 | 57 |
| 28 | biological evolution | 90 | 5.1K | 276 | 334 |
| 29 | actuators | 95 | 4.9K | 162 | 114 |
| 29 | transducers | 95 | 4.9K | 162 | 114 |
| 31 | Meteorology | 22 | 4.8K | 1004 | 362 |
| 32 | Environmental monitoring | 72 | 4.6K | 589 | 403 |
| 33 | Diagnostic microbiology | 60 | 4.4K | 168 | 195 |
| 34 | Human evolution | 74 | 4.4K | 33 | 29 |
| 35 | Fungi | 60 | 4.4K | 121 | 64 |
| 36 | Environmental Policy | 62 | 4.4K | 542 | 391 |
| 37 | Chemical Engineering | 131 | 4.4K | 709 | 817 |
| 38 | Toxicology | 115 | 4.3K | 742 | 703 |
| 39 | Diet | 79 | 4.3K | 324 | 317 |
| 40 | Biotechnology | 108 | 4.0K | 1088 | 1296 |
| 41 | Environmental Engineering | 53 | 3.8K | 809 | 535 |
| 42 | food technology | 113 | 3.8K | 218 | 222 |
| 43 | Materials | 105 | 3.7K | 1389 | 1334 |
| 44 | Agricultural Chemistry | 64 | 3.7K | 403 | 232 |
| 45 | Bacteriology | 60 | 3.5K | 382 | 381 |
| 46 | environmental protection | 52 | 3.5K | 640 | 387 |
| 47 | Pollution | 78 | 3.4K | 1171 | 1293 |
| 48 | Medical Microbiology | 26 | 3.3K | 964 | 470 |
| 49 | Graph Theory | 10 | 3.3K | 411 | 10 |
| 50 | Optics | 132 | 3.3K | 746 | 611 |
| 51 | Biomedical Engineering | 78 | 3.0K | 949 | 778 |
| 52 | Environmental Law | 37 | 3.0K | 173 | 142 |
| 53 | Sites | 58 | 2.8K | 44 | 45 |
| 54 | Biophysics | 74 | 2.8K | 1638 | 1373 |
| 55 | Bioengineering | 68 | 2.6K | 907 | 1206 |
| 56 | Metabolism | 64 | 2.6K | 745 | 895 |
| 57 | Neurology | 66 | 2.5K | 1692 | 1809 |
| 58 | Biosensors | 50 | 2.5K | 137 | 181 |
| 59 | Obesity | 44 | 2.4K | 529 | 448 |
| 60 | Statistical Mechanics | 5 | 2.4K | 1093 | 61 |
| 61 | Economics | 97 | 2.3K | 812 | 729 |
| 62 | environmental pollution | 55 | 2.3K | 1102 | 1079 |
| 63 | Cardiovascular diseases | 27 | 2.3K | 573 | 198 |
| 64 | computer networks | 45 | 2.3K | 408 | 185 |
| 65 | Materials Science | 60 | 2.2K | 1322 | 1227 |
| 66 | Paleontology | 104 | 2.2K | 122 | 134 |
| 67 | Bioelectronics | 43 | 2.2K | 119 | 177 |
| 68 | Biocompatible Materials | 43 | 2.2K | 1233 | 1229 |
| 69 | mycoses | 44 | 2.1K | 69 | 175 |
| 70 | Electrophoresis | 58 | 2.1K | 196 | 150 |
| 71 | Colloids | 60 | 2.1K | 961 | 967 |
| 72 | Organic Chemistry | 51 | 2.1K | 932 | 689 |
| 73 | Optical materials | 85 | 2.1K | 374 | 629 |
| 74 | Electronics | 91 | 2.1K | 612 | 518 |
| 75 | energy conservation | 34 | 2.1K | 370 | 328 |
| 76 | Chromatographic analysis | 65 | 2.1K | 216 | 120 |
| 77 | Chromatography | 64 | 2.1K | 155 | 91 |
| 78 | Immunology | 27 | 2.1K | 1804 | 1412 |
| 79 | Nanostructured Materials | 44 | 2.1K | 998 | 812 |
| 80 | Surface Chemistry | 63 | 2.0K | 930 | 939 |
| 81 | Electrochemistry | 106 | 2.0K | 744 | 863 |
| 82 | Artificial Intelligence | 52 | 2.0K | 873 | 623 |
| 83 | Energy Policy | 51 | 2.0K | 437 | 574 |
| 84 | infection | 14 | 2.0K | 912 | 323 |
| 85 | Infections | 13 | 2.0K | 619 | 250 |
| 86 | Research Design | 29 | 1.9K | 296 | 204 |
| 87 | Parasitic Diseases | 12 | 1.9K | 1295 | 370 |
| 88 | Mathematics | 111 | 1.9K | 1330 | 1041 |
| 89 | Condensed Matter | 49 | 1.9K | 1284 | 1064 |
| 90 | Climatology | 30 | 1.9K | 585 | 463 |
| 91 | Liposomes | 25 | 1.9K | 62 | 50 |
| 92 | Physical Chemistry | 36 | 1.8K | 673 | 530 |
| 93 | Water | 30 | 1.8K | 819 | 737 |
| 94 | Lipid bilayers | 24 | 1.8K | 58 | 48 |
| 95 | Renewable Energy Sources | 36 | 1.8K | 534 | 781 |
| 96 | Molecular structure | 57 | 1.8K | 379 | 491 |
| 97 | Heat Exchangers | 42 | 1.8K | 144 | 134 |
| 98 | Environmental Management | 33 | 1.8K | 779 | 690 |
| 99 | Semiconductors | 78 | 1.8K | 208 | 173 |
| 100 | Clinical Chemistry | 43 | 1.8K | 854 | 767 |
| 100 | Information Science | 52 | 1.8K | 371 | 395 |
| 102 | Solid State Physics | 52 | 1.7K | 1341 | 1147 |
| 103 | Psychiatry | 51 | 1.7K | 1383 | 1513 |
| 104 | Paleoclimatology | 62 | 1.6K | 122 | 216 |
| 105 | Biomass Energy | 30 | 1.6K | 746 | 689 |
| 106 | Enteral nutrition | 41 | 1.5K | 98 | 207 |
| 106 | Parenteral nutrition | 41 | 1.5K | 177 | 284 |
| 108 | Bioorganic chemistry | 26 | 1.5K | 1141 | 772 |
| 109 | Microbial Ecology | 13 | 1.5K | 1325 | 861 |
| 110 | Paleoecology | 58 | 1.5K | 118 | 195 |
| 111 | Public Health | 76 | 1.5K | 1235 | 1813 |
| 112 | Pharmaceutical Technology | 42 | 1.4K | 261 | 275 |
| 112 | catalytic activity | 42 | 1.4K | 61 | 91 |
| 114 | Evolution | 74 | 1.4K | 283 | 691 |
| 115 | Paleogeography | 50 | 1.4K | 103 | 189 |
| 116 | Geophysics | 6 | 1.3K | 3252 | 1345 |
| 117 | Pharmaceutical Chemistry | 30 | 1.2K | 1583 | 1448 |
| 118 | Zeolites | 16 | 1.2K | 313 | 143 |
| 119 | Green Chemistry | 31 | 1.2K | 469 | 605 |
| 120 | Spectrum analysis | 29 | 1.2K | 1953 | 1634 |
| 121 | Atmospheric Physics | 2 | 1.2K | 2224 | 606 |
| 122 | Information Systems | 30 | 1.2K | 252 | 191 |
| 123 | Membranes | 27 | 1.2K | 594 | 622 |
| 124 | Chemical analysis | 21 | 1.1K | 372 | 156 |
| 125 | Biochemical Engineering | 32 | 1.1K | 1076 | 1704 |
| 126 | Nanoparticles | 9 | 1.1K | 1250 | 518 |
| 127 | Cytology | 21 | 1.1K | 2351 | 2440 |
| 128 | Psychology | 71 | 1.0K | 1066 | 1659 |
| 129 | Electrochemical Analysis | 24 | 1.0K | 473 | 302 |
| 130 | Environmental pollutants | 13 | 1.0K | 1215 | 634 |
| 131 | Engineering | 54 | 1.0K | 930 | 895 |
| 132 | Behavior | 18 | 1.0K | 1583 | 1395 |
| 133 | Pharmacology | 14 | 1.0K | 3560 | 2378 |
| 134 | Sustainable Development | 9 | 980 | 1277 | 555 |
| 135 | Organometallic chemistry | 47 | 941 | 282 | 271 |
| 136 | enzymes | 7 | 937 | 1204 | 441 |
| 137 | Fluid Mechanics | 25 | 934 | 617 | 448 |
| 138 | Industrial Engineering | 29 | 927 | 507 | 457 |
| 138 | Regional Planning | 38 | 927 | 354 | 374 |
| 140 | Human genetics | 5 | 898 | 2363 | 2350 |
| 141 | Social Sciences | 57 | 885 | 693 | 714 |
| 142 | Astrophysics | 9 | 865 | 2511 | 1663 |
| 143 | Yeast | 16 | 863 | 111 | 89 |
| 144 | Lipids | 16 | 862 | 573 | 504 |
| 145 | Metabolic diseases | 17 | 833 | 1386 | 1448 |
| 146 | Mathematical Physics | 14 | 826 | 1779 | 876 |
| 147 | Small Business | 10 | 821 | 378 | 347 |
| 148 | Epidemiology | 36 | 815 | 1302 | 1604 |
| 149 | Tourism | 41 | 797 | 270 | 560 |
| 150 | Endocrinology | 16 | 789 | 1867 | 1802 |
| 151 | Computational Biology | 19 | 787 | 1285 | 1190 |
| 152 | Environmental Toxicology | 5 | 773 | 2340 | 1078 |
| 152 | Industrial Microbiology | 17 | 773 | 808 | 788 |
| 154 | Bioinorganic chemistry | 36 | 770 | 316 | 392 |
| 155 | Solid State Chemistry | 37 | 764 | 765 | 781 |
| 156 | energy resources | 17 | 749 | 503 | 693 |
| 157 | Ethnology | 47 | 748 | 217 | 220 |
| 158 | Serology | 11 | 746 | 178 | 73 |
| 159 | Informatics | 7 | 732 | 603 | 244 |
| 160 | pain | 21 | 721 | 566 | 668 |
| 161 | Structural dynamics | 10 | 711 | 606 | 378 |
| 162 | Astronomy | 10 | 709 | 2102 | 1611 |
| 162 | sanitation | 11 | 709 | 949 | 1010 |
| 164 | Mental Disorders | 28 | 708 | 1252 | 1650 |
| 165 | Cell Biology | 17 | 702 | 2516 | 2916 |
| 166 | Sustainable Engineering | 18 | 699 | 632 | 647 |
| 166 | Neurophysiology | 23 | 699 | 1417 | 1709 |
| 168 | risk factors | 3 | 698 | 921 | 237 |
| 169 | Aging | 17 | 684 | 1552 | 1247 |
| 170 | city planning | 30 | 681 | 401 | 441 |
| 171 | Image Processing | 27 | 667 | 554 | 741 |
| 172 | human behavior | 15 | 660 | 1219 | 1413 |
| 173 | Liver diseases | 5 | 658 | 1545 | 1069 |
| 174 | Luminescence | 37 | 657 | 192 | 218 |
| 175 | Environmental Chemistry | 15 | 653 | 996 | 1128 |
| 176 | Europe | 39 | 650 | 974 | 1119 |
| 177 | Psychometrics | 9 | 643 | 262 | 169 |
| 178 | Pediatrics | 11 | 641 | 1830 | 1532 |
| 178 | Neurosurgery | 1 | 641 | 2353 | 478 |
| 180 | proteins | 16 | 630 | 1114 | 940 |
| 181 | Photonics | 17 | 628 | 824 | 917 |
| 182 | Proteome | 11 | 614 | 698 | 617 |
| 182 | Cancer | 15 | 614 | 2337 | 2297 |
| 184 | Medical Laboratory Science | 9 | 603 | 1413 | 970 |
| 185 | Dynamics | 22 | 601 | 585 | 360 |
| 185 | Organometallic compounds | 20 | 601 | 447 | 417 |
| 187 | Neurobiology | 18 | 600 | 950 | 1224 |
| 188 | Database Management | 14 | 590 | 347 | 293 |
| 189 | Geology | 19 | 588 | 1560 | 1385 |
| 190 | Linguistics | 22 | 580 | 535 | 380 |
| 191 | mass transfer | 38 | 577 | 355 | 686 |
| 192 | coal | 14 | 573 | 726 | 744 |
| 193 | Product life cycle | 15 | 551 | 63 | 105 |
| 193 | green products | 15 | 551 | 55 | 104 |
| 195 | pollutants | 11 | 545 | 1081 | 917 |
| 196 | Virology | 8 | 541 | 2573 | 2617 |
| 197 | Physical organic chemistry | 13 | 535 | 703 | 454 |
| 197 | Health promotion | 13 | 535 | 771 | 634 |
| 199 | Electrical Engineering | 30 | 534 | 1311 | 831 |
| 200 | Nutrition physiology | 13 | 532 | 293 | 288 |
| 201 | Medical genetics | 15 | 530 | 1872 | 2240 |
| 202 | free radicals | 11 | 523 | 919 | 910 |
| 203 | Bioinformatics | 11 | 516 | 1327 | 1167 |
| 204 | Carbon | 13 | 513 | 675 | 805 |
| 205 | Sociology | 29 | 510 | 935 | 1254 |
| 206 | lasers | 20 | 507 | 687 | 478 |
| 207 | Bifurcation Theory | 21 | 506 | 131 | 126 |
| 208 | Power Electronics | 20 | 503 | 171 | 146 |
| 209 | Biomass | 6 | 500 | 419 | 284 |
| 210 | Data Mining | 17 | 499 | 517 | 767 |
| 211 | Molecular evolution | 9 | 494 | 1191 | 950 |
| 212 | Neuropsychology | 12 | 486 | 1436 | 1262 |
| 212 | drug toxicity | 2 | 486 | 725 | 83 |
| 214 | Botany | 11 | 485 | 2709 | 2397 |
| 215 | Mental illness | 16 | 483 | 1105 | 1417 |
| 216 | Magnetic Materials | 16 | 480 | 675 | 640 |
| 217 | Spain | 107 | 475 | 49 | 55 |
| 218 | Solar Energy | 18 | 472 | 596 | 830 |
| 218 | Antibacterial agents | 19 | 472 | 161 | 282 |
| 220 | Psycholinguistics | 18 | 466 | 362 | 487 |
| 221 | Neurochemistry | 17 | 465 | 1304 | 1562 |
| 222 | Information Technology | 12 | 462 | 1331 | 815 |
| 223 | Vocational guidance | 6 | 461 | 658 | 432 |
| 224 | Microorganisms | 13 | 458 | 592 | 848 |
| 225 | optical devices | 27 | 457 | 51 | 80 |
| 226 | Genomics | 11 | 445 | 2342 | 2126 |
| 227 | Psychophysiology | 17 | 443 | 1599 | 1950 |
| 228 | Reproduction | 6 | 437 | 2205 | 1294 |
| 229 | Clinical Psychology | 5 | 436 | 1428 | 996 |
| 230 | Environmental Microbiology | 6 | 434 | 1139 | 958 |
| 231 | Herbal medicine | 5 | 432 | 558 | 280 |
| 232 | Genetics | 9 | 428 | 3209 | 3208 |
| 232 | Aerosols | 7 | 428 | 431 | 234 |
| 234 | Ethnoarchaeology | 7 | 422 | 79 | 49 |
| 235 | personality | 19 | 419 | 592 | 848 |
| 236 | Computational Chemistry | 13 | 415 | 255 | 349 |
| 237 | Embryology | 1 | 408 | 2887 | 1271 |
| 237 | cell interaction | 8 | 408 | 801 | 675 |
| 237 | Cell communication | 8 | 408 | 496 | 374 |
| 240 | Analytical Biochemistry | 19 | 407 | 625 | 861 |
| 241 | Medical Technology | 8 | 405 | 1303 | 817 |
| 242 | Stem cells | 5 | 404 | 1672 | 1129 |
| 242 | miniaturization | 10 | 404 | 1195 | 1322 |
| 242 | aerosol | 6 | 404 | 338 | 154 |
| 245 | Inflammation | 7 | 401 | 963 | 755 |
| 245 | cell adhesion molecules | 7 | 401 | 299 | 197 |
| 245 | cytokines | 7 | 401 | 1002 | 741 |
| 248 | Water pollution | 21 | 395 | 1158 | 1856 |
| 249 | Statistics | 14 | 394 | 1559 | 1242 |
| 249 | Soft Condensed Matter | 12 | 394 | 602 | 562 |
| 251 | Child | 16 | 393 | 1356 | 1311 |
| 252 | Radiation | 15 | 392 | 1140 | 974 |
| 253 | Paleobiology | 32 | 390 | 35 | 42 |
| 254 | Systems Biology | 10 | 388 | 966 | 795 |
| 255 | Australia | 18 | 381 | 757 | 707 |
| 256 | Educational Technology | 12 | 376 | 725 | 587 |
| 257 | Cryptography | 17 | 375 | 172 | 106 |
| 257 | fuel cells | 10 | 375 | 779 | 899 |
| 259 | management | 22 | 374 | 1414 | 1952 |
| 260 | biological factors | 3 | 372 | 2361 | 1012 |
| 261 | Virulence | 7 | 368 | 953 | 1184 |
| 262 | biopolymers | 11 | 363 | 695 | 672 |
| 263 | Molecules | 13 | 358 | 876 | 736 |
| 264 | Translation | 11 | 354 | 34 | 6 |
| 264 | dietary supplements | 12 | 354 | 274 | 344 |
| 266 | Education | 37 | 353 | 1186 | 1545 |
| 267 | Differential Equations | 26 | 349 | 237 | 333 |
| 268 | System analysis | 13 | 345 | 1330 | 1138 |
| 268 | radioactive waste | 4 | 345 | 723 | 588 |
| 268 | industrial waste | 4 | 345 | 761 | 588 |
| 268 | Hazardous waste | 4 | 345 | 882 | 626 |
| 272 | Urban Policy | 7 | 343 | 480 | 344 |
| 272 | United Kingdom | 4 | 343 | 1848 | 1175 |
| 274 | Clinical Biochemistry | 10 | 342 | 876 | 732 |
| 275 | clay | 12 | 341 | 294 | 436 |
| 276 | Cognition | 14 | 337 | 883 | 1083 |
| 277 | Energy Conversion | 8 | 336 | 845 | 1090 |
| 278 | Crystallography | 5 | 331 | 1665 | 538 |
| 279 | genome | 6 | 328 | 1464 | 1577 |
| 280 | Schizophrenia | 15 | 321 | 567 | 834 |
| 281 | Music | 1 | 319 | 1937 | 256 |
| 281 | auditory perception | 1 | 319 | 662 | 140 |
| 281 | Nervous system | 4 | 319 | 2814 | 2120 |
| 284 | Technology | 16 | 318 | 2289 | 2411 |
| 285 | Child Development | 13 | 312 | 1143 | 1349 |
| 286 | Corporate Social Responsibility | 2 | 309 | 404 | 155 |
| 286 | environmental auditing | 2 | 309 | 428 | 158 |
| 286 | United States | 18 | 309 | 2720 | 3166 |
| 289 | Language Acquisition | 6 | 305 | 286 | 180 |
| 289 | Bilingualism | 6 | 305 | 123 | 99 |
| 291 | Nuclear Physics | 10 | 301 | 3140 | 2667 |
| 292 | Physiology | 17 | 292 | 2443 | 3351 |
| 292 | Combustion | 14 | 292 | 615 | 748 |
| 294 | Telecommunication Systems | 16 | 290 | 600 | 652 |
| 295 | Communication | 56 | 288 | 348 | 965 |
| 296 | Host-parasite interactions | 4 | 286 | 1395 | 1454 |
| 296 | Immunity | 4 | 286 | 2218 | 2250 |
| 298 | Biodiversity | 9 | 285 | 1573 | 1642 |
| 299 | Molecular Spectroscopy | 11 | 284 | 1019 | 980 |
| 300 | Metals | 7 | 277 | 1827 | 1445 |
| 301 | Entropy | 7 | 273 | 669 | 317 |
| 302 | Public Policy | 12 | 271 | 941 | 1122 |
| 303 | Diabetes | 10 | 269 | 1615 | 2174 |
| 304 | Radioisotopes | 9 | 268 | 802 | 498 |
| 304 | Brain | 12 | 268 | 1800 | 2200 |
| 306 | International Finance | 9 | 266 | 1018 | 934 |
| 307 | Software Engineering | 6 | 265 | 826 | 422 |
| 308 | Economic History | 24 | 262 | 1448 | 1685 |
| 309 | Neuroplasticity | 2 | 260 | 579 | 131 |
| 309 | neuronal plasticity | 2 | 260 | 484 | 113 |
| 311 | Phylogeny | 6 | 259 | 703 | 764 |
| 312 | Anatomy | 14 | 257 | 1136 | 1524 |
| 312 | Entrepreneurship | 4 | 257 | 974 | 769 |
| 314 | Neural circuitry | 8 | 256 | 1310 | 1342 |
| 315 | Investment analysis | 5 | 255 | 632 | 389 |
| 316 | Diabetes mellitus | 9 | 253 | 1637 | 2172 |
| 316 | economic policy | 17 | 253 | 1146 | 1106 |
| 318 | Nanochemistry | 4 | 252 | 1218 | 527 |
| 318 | Combinatorial chemistry | 5 | 252 | 772 | 688 |
| 320 | psychotherapy | 2 | 250 | 1994 | 978 |
| 321 | Cell differentiation | 4 | 249 | 1939 | 1885 |
| 322 | Quality Control | 6 | 243 | 1475 | 1108 |
| 322 | Quality of life | 9 | 243 | 945 | 1164 |
| 324 | Transportation | 10 | 242 | 1003 | 1078 |
| 325 | natural products | 3 | 241 | 2115 | 1010 |
| 326 | finance | 12 | 238 | 1305 | 1306 |
| 327 | Social Change | 2 | 236 | 1390 | 848 |
| 328 | Molecular Microbiology | 4 | 233 | 934 | 1007 |
| 329 | Sustainable agriculture | 2 | 231 | 1125 | 467 |
| 330 | Econometrics | 17 | 227 | 572 | 794 |
| 331 | Database Security | 3 | 226 | 83 | 9 |
| 332 | Human Resources | 7 | 225 | 241 | 323 |
| 333 | biocatalysis | 3 | 220 | 191 | 364 |
| 333 | Homogeneous catalysis | 3 | 220 | 191 | 364 |
| 333 | Heterogeneous catalysis | 3 | 220 | 191 | 364 |
| 336 | Cerebral cortex | 1 | 219 | 1680 | 929 |
| 337 | Genetic engineering | 3 | 217 | 2806 | 2071 |
| 337 | Molecular Genetics | 6 | 217 | 1846 | 1908 |
| 339 | Personality Assessment | 4 | 216 | 551 | 481 |
| 340 | wood | 6 | 215 | 338 | 217 |
| 341 | Proteomics | 7 | 212 | 876 | 1089 |
| 342 | Critical Care | 6 | 209 | 1575 | 1972 |
| 342 | Critical Care Medicine | 5 | 209 | 1583 | 1930 |
| 342 | violence | 5 | 209 | 818 | 672 |
| 345 | Agricultural Ecology | 1 | 208 | 2280 | 1098 |
| 345 | Agronomy | 1 | 208 | 1161 | 503 |
| 345 | Catalysts | 19 | 208 | 153 | 390 |
| 348 | Thermodynamics | 10 | 207 | 652 | 488 |
| 349 | Neurotoxicology | 6 | 203 | 421 | 468 |
| 349 | Industrial Policy | 10 | 203 | 201 | 317 |
| 349 | Genetic regulation | 2 | 203 | 1834 | 1326 |
| 349 | cloning | 2 | 203 | 1064 | 890 |
| 353 | Paleopathology | 14 | 201 | 76 | 116 |
| 354 | Health Education | 6 | 200 | 1684 | 1368 |
| 355 | consumers | 3 | 199 | 394 | 237 |
| 356 | Anxiety Disorders | 4 | 195 | 526 | 658 |
| 356 | Anxiety | 4 | 195 | 527 | 663 |
| 358 | Nanostructures | 8 | 192 | 1606 | 1938 |
| 359 | Multivariate Analysis | 4 | 191 | 467 | 296 |
| 359 | Calorimetry | 11 | 191 | 546 | 591 |
| 359 | Thermal analysis | 11 | 191 | 546 | 591 |
| 362 | Nursing | 16 | 188 | 826 | 1072 |
| 362 | Psychosomatic Medicine | 5 | 188 | 803 | 818 |
| 364 | Natural resources | 7 | 187 | 520 | 645 |
| 365 | Agriculture | 14 | 185 | 1194 | 1836 |
| 366 | software | 6 | 183 | 703 | 812 |
| 367 | Regional Economics | 7 | 181 | 255 | 269 |
| 368 | Adolescent | 12 | 180 | 1302 | 1695 |
| 368 | Women's health | 11 | 180 | 702 | 970 |
| 370 | Transnational corporations | 3 | 179 | 345 | 173 |
| 370 | Plant diseases | 2 | 179 | 2685 | 1474 |
| 372 | Cardiovascular system | 3 | 178 | 2103 | 2214 |
| 372 | plant viruses | 1 | 178 | 438 | 143 |
| 374 | Geriatrics | 6 | 175 | 2892 | 2541 |
| 374 | Urban Areas | 11 | 175 | 57 | 92 |
| 376 | Hematology | 5 | 174 | 3488 | 2932 |
| 377 | Obstetrics | 10 | 173 | 1977 | 2292 |
| 377 | Computer Vision | 10 | 173 | 652 | 1149 |
| 379 | Thermochemistry | 6 | 171 | 390 | 328 |
| 380 | technical education | 7 | 170 | 290 | 246 |
| 381 | Recycling | 4 | 168 | 538 | 834 |
| 382 | Drug design | 5 | 166 | 1606 | 1627 |
| 383 | Land Use Planning | 5 | 165 | 262 | 338 |
| 383 | Quantum Chemistry | 6 | 165 | 718 | 478 |
| 383 | Food additives | 5 | 165 | 1081 | 1176 |
| 386 | Plastics | 13 | 163 | 877 | 1206 |
| 386 | carcinogens | 2 | 163 | 1576 | 1123 |
| 386 | sex crimes | 3 | 163 | 690 | 441 |
| 389 | Bibliometrics | 6 | 162 | 64 | 103 |
| 390 | Hormones | 3 | 161 | 1694 | 1440 |
| 391 | Health Policy | 12 | 156 | 1410 | 2192 |
| 391 | Child welfare | 8 | 156 | 712 | 800 |
| 391 | complementary therapies | 3 | 156 | 2539 | 1597 |
| 394 | Ceramic materials | 6 | 155 | 1064 | 1041 |
| 394 | gene mapping | 4 | 155 | 2316 | 2481 |
| 396 | Plant cells | 1 | 154 | 1930 | 1685 |
| 397 | Classification | 2 | 153 | 417 | 175 |
| 398 | Viticulture | 7 | 152 | 70 | 86 |
| 398 | Composite Materials | 4 | 152 | 2758 | 2663 |
| 398 | hydrocolloids | 3 | 152 | 697 | 806 |
| 398 | women | 3 | 152 | 993 | 343 |
| 398 | world | 5 | 152 | 632 | 909 |
| 403 | International Education | 2 | 151 | 349 | 118 |
| 404 | Information Retrieval | 4 | 150 | 411 | 396 |
| 405 | Systems Analysis | 6 | 149 | 858 | 754 |
| 405 | Food Policy | 4 | 149 | 328 | 386 |
| 405 | Religion and Psychology | 1 | 149 | 1191 | 220 |
| 408 | pain management | 6 | 147 | 533 | 584 |
| 409 | population geography | 4 | 146 | 346 | 271 |
| 410 | Eating Disorders | 3 | 145 | 1060 | 849 |
| 410 | Feeding and Eating Disorders | 3 | 145 | 1020 | 817 |
| 412 | cell physiology | 8 | 144 | 1179 | 1990 |
| 413 | Fluid Dynamics | 9 | 143 | 750 | 925 |
| 413 | Microbial Biotechnology | 6 | 143 | 701 | 836 |
| 413 | extraterrestrial environment | 9 | 143 | 345 | 407 |
| 413 | astronomical phenomena | 9 | 143 | 318 | 367 |
| 417 | Water quality management | 13 | 141 | 897 | 1456 |
| 418 | Intercultural Communication | 5 | 139 | 269 | 272 |
| 418 | Waste management | 11 | 139 | 731 | 1049 |
| 418 | Nutrigenomics | 8 | 139 | 32 | 110 |
| 421 | Databases | 1 | 138 | 727 | 322 |
| 421 | Primates | 3 | 138 | 931 | 599 |
| 423 | Geography | 21 | 137 | 952 | 2036 |
| 423 | Optical Communications | 5 | 137 | 488 | 380 |
| 425 | Neonatology | 5 | 136 | 560 | 558 |
| 425 | Neurolinguistics | 3 | 136 | 509 | 494 |
| 425 | Fractals | 9 | 136 | 700 | 915 |
| 425 | health planning | 10 | 136 | 1309 | 1822 |
| 429 | Teaching | 10 | 135 | 1009 | 1238 |
| 430 | Quantum electronics | 6 | 134 | 814 | 517 |
| 430 | Industrial Ecology | 3 | 134 | 198 | 247 |
| 432 | Apoptosis | 1 | 133 | 661 | 254 |
| 432 | neurotoxins | 1 | 133 | 661 | 254 |
| 432 | Neurotoxic agents | 1 | 133 | 661 | 254 |
| 432 | Chromosome mapping | 3 | 133 | 2447 | 2336 |
| 432 | Nerve regeneration | 1 | 133 | 661 | 254 |
| 437 | Mental Health | 8 | 132 | 1186 | 1445 |
| 437 | Earth Sciences | 6 | 132 | 2892 | 2959 |
| 439 | Raman spectroscopy | 2 | 131 | 1203 | 718 |
| 439 | Solitons | 8 | 131 | 632 | 852 |
| 439 | Chaos | 8 | 131 | 632 | 852 |
| 439 | place marketing | 5 | 131 | 46 | 119 |
| 439 | Chemical industry | 7 | 131 | 1026 | 932 |
| 444 | Human biology | 5 | 129 | 550 | 485 |
| 445 | Signal Processing | 6 | 128 | 1627 | 1581 |
| 445 | Gerontology | 4 | 128 | 2177 | 1649 |
| 447 | environmental exposure | 4 | 126 | 2105 | 2143 |
| 447 | transport vesicles | 1 | 126 | 573 | 607 |
| 449 | Microelectronics | 11 | 125 | 1156 | 1934 |
| 450 | Hydrology | 6 | 124 | 2211 | 2354 |
| 450 | Numerical Analysis | 14 | 124 | 1229 | 1697 |
| 450 | agricultural policy | 2 | 124 | 370 | 370 |
| 450 | Semigroups | 6 | 124 | 176 | 56 |
| 450 | mammals | 8 | 124 | 733 | 965 |
| 455 | Building Materials | 3 | 123 | 1861 | 1930 |
| 456 | data collection | 5 | 122 | 944 | 1350 |
| 457 | solar power | 4 | 121 | 795 | 1026 |
| 457 | nucleic acids | 1 | 121 | 3212 | 2391 |
| 457 | solar cells | 4 | 121 | 906 | 1122 |
| 460 | Gender Studies | 3 | 120 | 560 | 384 |
| 460 | Carcinogenesis | 2 | 120 | 1612 | 1394 |
| 460 | Ocean Engineering | 10 | 120 | 1008 | 1599 |
| 460 | Scandinavia | 1 | 120 | 1336 | 503 |
| 464 | Developmental Disabilities | 3 | 119 | 1222 | 1219 |
| 465 | Global Health | 4 | 115 | 1162 | 860 |
| 465 | Business | 9 | 115 | 1452 | 2199 |
| 467 | Industrial Organization | 6 | 114 | 190 | 261 |
| 467 | Public Relations | 2 | 114 | 680 | 308 |
| 467 | Hydraulic Engineering | 3 | 114 | 1132 | 886 |
| 467 | Quantum Optics | 4 | 114 | 933 | 757 |
| 467 | Atomic spectroscopy | 4 | 114 | 1200 | 1045 |
| 467 | Laser Spectroscopy | 4 | 114 | 858 | 700 |
| 473 | Total Quality Management | 5 | 113 | 363 | 404 |
| 473 | Biomechanics | 5 | 113 | 1389 | 1547 |
| 475 | Expert Systems | 4 | 112 | 118 | 100 |
| 476 | Economic Geography | 7 | 111 | 191 | 312 |
| 476 | Hydrodynamics | 2 | 111 | 800 | 641 |
| 476 | Feminism | 1 | 111 | 1152 | 360 |
| 476 | Water Purification | 10 | 111 | 603 | 987 |
| 476 | sexual orientation | 1 | 111 | 293 | 59 |
| 476 | Gender identity | 1 | 111 | 660 | 127 |
| 476 | Microwaves | 9 | 111 | 746 | 628 |
| 476 | Gastrointestinal diseases | 2 | 111 | 1205 | 652 |
| 484 | environmental indicators | 3 | 110 | 1345 | 1457 |
| 484 | Technological Innovations | 5 | 110 | 846 | 991 |
| 486 | Histology | 3 | 109 | 2392 | 2300 |
| 486 | Oncogenes | 1 | 109 | 2169 | 2016 |
| 486 | Physical fitness | 3 | 109 | 1282 | 1116 |
| 489 | Health Information Management | 2 | 108 | 444 | 666 |
| 490 | Systems Engineering | 6 | 107 | 1769 | 1672 |
| 490 | Health equity | 1 | 107 | 172 | 21 |
| 490 | urban health | 1 | 107 | 658 | 341 |
| 490 | Optoelectronic devices | 5 | 107 | 736 | 455 |
| 494 | Biological Systems | 6 | 106 | 501 | 681 |
| 494 | protein | 7 | 106 | 1019 | 1425 |
| 496 | Pharmacogenetics | 4 | 105 | 1209 | 1468 |
| 496 | Randomized Controlled Trials | 6 | 105 | 1044 | 1069 |
| 496 | feeding behavior | 5 | 105 | 684 | 954 |
| 496 | Appetite | 5 | 105 | 587 | 866 |
| 500 | drug therapy | 5 | 104 | 2476 | 2974 |
| 500 | venom | 1 | 104 | 1861 | 839 |
| 500 | Toxins | 1 | 104 | 2011 | 925 |
| 503 | Molecular Pharmacology | 1 | 103 | 1591 | 1180 |
| 503 | Latin America | 28 | 103 | 447 | 674 |
| 505 | Game Theory | 11 | 102 | 258 | 450 |
| 505 | Control Theory | 4 | 102 | 1715 | 1338 |
| 505 | Photochemistry | 4 | 102 | 1916 | 1956 |
| 505 | Photobiology | 4 | 102 | 1460 | 1483 |
| 505 | data protection | 7 | 102 | 276 | 368 |
| 510 | Cheminformatics | 3 | 100 | 407 | 548 |
| 511 | Plant physiology | 1 | 99 | 3487 | 2676 |
| 511 | Europa | 6 | 99 | 357 | 519 |
| 513 | Computer Science | 6 | 98 | 1824 | 1753 |
| 513 | Social Choice Theory | 6 | 98 | 140 | 157 |
| 513 | Clinical Immunology | 5 | 98 | 1350 | 1673 |
| 513 | Medical Physics | 6 | 98 | 1550 | 1819 |
| 513 | Welfare Economics | 6 | 98 | 306 | 481 |
| 513 | Wireless Communication Systems | 8 | 98 | 1461 | 1658 |
| 513 | Maternal health services | 4 | 98 | 412 | 498 |
| 513 | Land use | 4 | 98 | 1143 | 1374 |
| 521 | Public Health Administration | 5 | 97 | 343 | 279 |
| 521 | Medical Anthropology | 16 | 97 | 532 | 1951 |
| 523 | Mass Spectrometry | 2 | 95 | 1824 | 1396 |
| 523 | Documentation | 6 | 95 | 210 | 291 |
| 523 | Telecommunication | 4 | 95 | 2398 | 1859 |
| 523 | Memory | 5 | 95 | 1988 | 2495 |
| 523 | Quantum theory | 1 | 95 | 1697 | 904 |
| 528 | Psychopharmacology | 6 | 94 | 1523 | 2185 |
| 528 | Mass Media | 7 | 94 | 662 | 450 |
| 530 | Property | 5 | 93 | 2 | 2 |
| 530 | synthesis | 5 | 93 | 960 | 799 |
| 532 | Energy Storage | 5 | 92 | 1124 | 1393 |
| 532 | Clinical Pharmacology | 2 | 92 | 2314 | 1819 |
| 532 | big data | 2 | 92 | 814 | 482 |
| 535 | industrial relations | 7 | 91 | 566 | 703 |
| 535 | Allergy | 4 | 91 | 1431 | 2096 |
| 537 | Social policy | 4 | 90 | 1012 | 868 |
| 538 | Neuropsychiatry | 3 | 86 | 1150 | 1257 |
| 538 | innovation | 5 | 86 | 495 | 908 |
| 538 | Pregnancy | 5 | 86 | 775 | 1035 |
| 541 | Group decision making | 10 | 85 | 207 | 519 |
| 541 | Learning | 4 | 85 | 1394 | 1616 |
| 543 | Oncology | 5 | 84 | 2315 | 3730 |
| 543 | Chemotherapy | 3 | 84 | 2009 | 2083 |
| 543 | Operations Research | 20 | 84 | 946 | 2236 |
| 546 | Radiology | 2 | 83 | 2585 | 1670 |
| 546 | Microscopy | 10 | 83 | 1007 | 1621 |
| 546 | rehabilitation | 9 | 83 | 1592 | 2788 |
| 546 | mathematical analysis | 7 | 83 | 2002 | 1869 |
| 550 | Criminology | 5 | 82 | 821 | 851 |
| 550 | Homeostasis | 1 | 82 | 1016 | 1407 |
| 550 | Cell metabolism | 1 | 82 | 1526 | 1561 |
| 553 | Decision making | 10 | 81 | 845 | 1729 |
| 554 | ecotourism | 9 | 80 | 76 | 298 |
| 555 | Turbulence | 3 | 79 | 266 | 222 |
| 556 | Primary health care | 7 | 78 | 1438 | 2225 |
| 556 | Atherosclerosis | 2 | 78 | 285 | 297 |
| 556 | food handling | 4 | 78 | 880 | 1376 |
| 556 | breastfeeding | 6 | 78 | 376 | 646 |
| 556 | supercritical fluids | 2 | 78 | 548 | 551 |
| 561 | Mechanical Engineering | 3 | 77 | 3014 | 2180 |
| 561 | Andrology | 3 | 77 | 840 | 841 |
| 561 | Human-Computer Interaction | 6 | 77 | 1194 | 1729 |
| 561 | Fire ecology | 1 | 77 | 168 | 105 |
| 565 | Hallucinogens | 2 | 76 | 287 | 239 |
| 565 | Crystal growth | 3 | 76 | 1208 | 1266 |
| 565 | drug abuse | 3 | 76 | 828 | 796 |
| 568 | Risk assessment | 7 | 74 | 349 | 633 |
| 568 | ecological risk assessment | 7 | 74 | 94 | 324 |
| 568 | Health Risk Assessment | 7 | 74 | 221 | 482 |
| 568 | Intellectual disability | 5 | 74 | 773 | 1046 |
| 572 | Marine Biology | 5 | 73 | 2441 | 3187 |
| 572 | technology transfer | 2 | 73 | 410 | 376 |
| 572 | Health | 5 | 73 | 2335 | 3109 |
| 572 | Malaria | 2 | 73 | 1138 | 1049 |
| 572 | mutagens | 2 | 73 | 1313 | 1544 |
| 577 | Humanities | 17 | 72 | 612 | 1291 |
| 577 | Cognitive Science | 5 | 72 | 1356 | 2075 |
| 577 | toxicity testing | 2 | 72 | 1186 | 1090 |
| 577 | Developing countries | 5 | 72 | 2290 | 2940 |
| 581 | Zoology | 6 | 71 | 2377 | 2786 |
| 581 | Petroleum Engineering | 1 | 71 | 1434 | 892 |
| 581 | Cardiovascular Pharmacology | 1 | 71 | 722 | 426 |
| 581 | viruses | 1 | 71 | 2830 | 2632 |
| 581 | Attention | 6 | 71 | 1728 | 2662 |
| 586 | Geomorphology | 5 | 70 | 1240 | 1906 |
| 586 | Ethics | 2 | 70 | 1492 | 957 |
| 586 | Experimental Design | 1 | 70 | 613 | 368 |
| 586 | Professional ethics | 2 | 70 | 429 | 324 |
| 590 | Political Science | 10 | 69 | 1175 | 1484 |
| 590 | Distance Education | 7 | 69 | 242 | 491 |
| 590 | Economic Development | 4 | 69 | 1761 | 2345 |
| 590 | Emergency Medicine | 5 | 69 | 1649 | 1966 |
| 590 | Lipid metabolism | 3 | 69 | 521 | 800 |
| 590 | Antioxidants | 2 | 69 | 1162 | 1499 |
| 590 | Language Arts | 3 | 69 | 114 | 79 |
| 590 | Lipid | 3 | 69 | 522 | 803 |
| 590 | baking | 1 | 69 | 434 | 290 |
| 590 | vitamin C | 2 | 69 | 628 | 748 |
| 590 | plant oils | 11 | 69 | 91 | 242 |
| 590 | vitamin E | 2 | 69 | 628 | 748 |
| 602 | Health Services Research | 8 | 68 | 1289 | 2355 |
| 602 | Computer-Aided Design | 2 | 68 | 1818 | 1477 |
| 602 | Ultrasonics | 2 | 68 | 1570 | 1707 |
| 602 | Sonochemistry | 2 | 68 | 866 | 1177 |
| 606 | Journalism | 6 | 67 | 398 | 426 |
| 607 | Animal Behavior | 3 | 66 | 2361 | 2934 |
| 607 | Business Ethics | 1 | 66 | 1648 | 1471 |
| 609 | Sleep Disorders | 5 | 65 | 1744 | 2219 |
| 609 | Medical Ethics | 6 | 65 | 925 | 1229 |
| 609 | Algal blooms | 3 | 65 | 345 | 578 |
| 609 | Cyanobacteria | 3 | 65 | 345 | 578 |
| 609 | Argentina | 11 | 65 | 88 | 57 |
| 609 | Sleep | 5 | 65 | 1741 | 2228 |
| 609 | microalgae | 3 | 65 | 345 | 578 |
| 616 | Computer Graphics | 5 | 64 | 1489 | 1911 |
| 616 | water supply | 3 | 64 | 1114 | 1439 |
| 616 | Bacterial diseases | 2 | 64 | 394 | 448 |
| 616 | Leisure | 3 | 64 | 395 | 438 |
| 620 | Magnetic Resonance Spectroscopy | 2 | 63 | 1777 | 1453 |
| 620 | nuclear magnetic resonance spectroscopy | 2 | 63 | 1135 | 867 |
| 620 | Detectors | 4 | 63 | 932 | 862 |
| 620 | hygiene | 2 | 63 | 826 | 777 |
| 624 | cosmic rays | 1 | 62 | 1006 | 557 |
| 624 | civil rights | 2 | 62 | 586 | 332 |
| 624 | Environmental carcinogens | 1 | 62 | 84 | 102 |
| 624 | Sexuality | 2 | 62 | 469 | 326 |
| 624 | sexual behavior | 2 | 62 | 1019 | 983 |
| 629 | Medical Oncology | 6 | 61 | 2028 | 3043 |
| 629 | Manufacturing Processes | 2 | 61 | 3121 | 2758 |
| 629 | Oxidative stress | 2 | 61 | 1737 | 2128 |
| 629 | nuclear magnetic resonance | 1 | 61 | 2021 | 1355 |
| 629 | Sports | 8 | 61 | 1528 | 2254 |
| 629 | Combinatorial analysis | 11 | 61 | 618 | 821 |
| 629 | Oxidation-reduction | 2 | 61 | 1229 | 1695 |
| 636 | Human Geography | 8 | 60 | 716 | 1238 |
| 636 | bioclimatology | 4 | 60 | 939 | 1309 |
| 636 | Public Choice | 6 | 60 | 226 | 472 |
| 636 | particles | 4 | 60 | 981 | 1297 |
| 636 | drug evaluation | 5 | 60 | 1288 | 1998 |
| 641 | Rural Development | 4 | 59 | 546 | 738 |
| 641 | Coding Theory | 12 | 59 | 127 | 288 |
| 641 | Fuzzy systems | 4 | 59 | 1716 | 1665 |
| 641 | Kidney diseases | 1 | 59 | 2004 | 1577 |
| 645 | animals | 3 | 58 | 1586 | 1495 |
| 645 | Consumer education | 3 | 58 | 346 | 588 |
| 645 | drug control | 3 | 58 | 447 | 613 |
| 648 | Cross-Cultural Studies | 3 | 57 | 772 | 927 |
| 648 | alcoholism | 3 | 57 | 1912 | 2325 |
| 650 | Securities | 3 | 56 | 335 | 523 |
| 651 | Pharmacognosy | 3 | 55 | 2212 | 2942 |
| 651 | consumer behavior | 2 | 55 | 754 | 847 |
| 651 | Computational Complexity | 5 | 55 | 910 | 1064 |
| 654 | Plant Ecology | 3 | 54 | 2058 | 2786 |
| 654 | occupational diseases | 3 | 54 | 1202 | 1669 |
| 654 | Marine Pollution | 4 | 54 | 1219 | 2037 |
| 657 | Number Theory | 5 | 53 | 734 | 590 |
| 657 | Nutritional support | 1 | 53 | 411 | 390 |
| 657 | Travel | 7 | 53 | 597 | 1198 |
| 657 | Ethology | 2 | 53 | 2175 | 2666 |
| 657 | energy development | 3 | 53 | 989 | 1494 |
| 662 | Nanoelectronics | 3 | 52 | 1042 | 954 |
| 662 | Integrated Circuits | 5 | 52 | 646 | 489 |
| 662 | Semiconductor industry | 3 | 52 | 771 | 769 |
| 662 | Catalyst | 8 | 52 | 5 | 142 |
| 666 | Automation | 7 | 51 | 1400 | 2359 |
| 666 | Bioenergetics | 2 | 51 | 1303 | 1477 |
| 666 | Phonetics | 1 | 51 | 646 | 444 |
| 666 | Histochemistry | 3 | 51 | 1360 | 1590 |
| 666 | Japan | 3 | 51 | 2647 | 2498 |
| 666 | Perception | 5 | 51 | 2022 | 3162 |
| 672 | Naval Architecture | 3 | 50 | 357 | 350 |
| 672 | Social work | 4 | 50 | 1548 | 1730 |
| 672 | Cell death | 2 | 50 | 1784 | 2371 |
| 672 | arthritis | 2 | 50 | 1922 | 2432 |
| 672 | Suicide | 1 | 50 | 1222 | 883 |
| 677 | Radio wave propagation | 1 | 49 | 1565 | 911 |
| 677 | Medical innovations | 1 | 49 | 2251 | 2724 |
| 677 | biomimicry | 1 | 49 | 331 | 279 |
| 677 | investigative techniques | 2 | 49 | 193 | 319 |
| 681 | Soil Science | 3 | 48 | 2181 | 2742 |
| 681 | preventive medicine | 2 | 48 | 2164 | 2458 |
| 681 | Chemical processes | 1 | 48 | 1299 | 845 |
| 681 | Transplantation | 1 | 48 | 2332 | 2165 |
| 685 | Law | 13 | 47 | 795 | 1011 |
| 685 | Radiation Protection | 5 | 47 | 635 | 657 |
| 685 | Formal Languages | 3 | 47 | 252 | 165 |
| 685 | Peroxisomes | 1 | 47 | 244 | 216 |
| 685 | Ventilation | 3 | 47 | 619 | 868 |
| 685 | Textile industry | 1 | 47 | 1210 | 564 |
| 691 | Engineering Mathematics | 8 | 46 | 1864 | 2731 |
| 691 | Evolutionary Genetics | 1 | 46 | 1567 | 1287 |
| 691 | Molecular Epidemiology | 1 | 46 | 1567 | 1287 |
| 691 | Bioethics | 4 | 46 | 928 | 1182 |
| 691 | nursing ethics | 4 | 46 | 185 | 428 |
| 691 | Visual Perception | 4 | 46 | 2060 | 3038 |
| 691 | crime | 2 | 46 | 927 | 756 |
| 698 | behavioral medicine | 5 | 45 | 1236 | 2723 |
| 698 | Qualitative Research | 4 | 45 | 454 | 699 |
| 698 | Serbia | 4 | 45 | 98 | 64 |
| 701 | Philosophy | 6 | 44 | 1429 | 1112 |
| 701 | Geriatric Psychiatry | 3 | 44 | 1416 | 2003 |
| 701 | Brachytherapy | 1 | 44 | 684 | 307 |
| 701 | Sedimentary rocks | 2 | 44 | 832 | 952 |
| 701 | Classroom Environment | 2 | 44 | 89 | 127 |
| 701 | mathematical concepts | 5 | 44 | 286 | 486 |
| 707 | Logic | 3 | 43 | 524 | 427 |
| 707 | Environmental Geology | 2 | 43 | 2207 | 2465 |
| 707 | Discrete Mathematics | 5 | 43 | 255 | 230 |
| 707 | Computational Intelligence | 1 | 43 | 2051 | 1216 |
| 707 | Climate change | 3 | 43 | 1261 | 2442 |
| 707 | Antiviral agents | 2 | 43 | 568 | 691 |
| 707 | Geriatric Oncology | 3 | 43 | 794 | 1260 |
| 707 | sustainability | 2 | 43 | 1221 | 1647 |
| 707 | Personality Disorders | 1 | 43 | 576 | 507 |
| 707 | graph | 5 | 43 | 255 | 230 |
| 707 | Semantic web | 1 | 43 | 416 | 254 |
| 707 | medical education | 3 | 43 | 2514 | 2904 |
| 707 | Neurons | 1 | 43 | 1332 | 1817 |
| 707 | Steroids | 1 | 43 | 1994 | 1758 |
| 707 | Autism | 3 | 43 | 866 | 1407 |
| 722 | Multiphase Flow | 4 | 42 | 337 | 652 |
| 723 | Metallurgy | 4 | 41 | 2699 | 3236 |
| 723 | Law and Economics | 3 | 41 | 312 | 337 |
| 723 | North America | 2 | 41 | 1449 | 1411 |
| 723 | ethanol | 2 | 41 | 800 | 944 |
| 723 | Aggression | 1 | 41 | 960 | 896 |
| 728 | Institutional Economics | 1 | 40 | 287 | 100 |
| 728 | Structural design | 3 | 40 | 968 | 1273 |
| 728 | Educational Psychology | 5 | 40 | 1231 | 2027 |
| 728 | Infection control | 1 | 40 | 1626 | 1437 |
| 728 | Online social networks | 1 | 40 | 762 | 527 |
| 728 | drug resistance | 1 | 40 | 1731 | 1527 |
| 728 | Smart Materials | 3 | 40 | 1080 | 1442 |
| 728 | Second Language Acquisition | 1 | 40 | 383 | 402 |
| 728 | mental health promotion | 1 | 40 | 381 | 331 |
| 728 | Multimedia Systems | 4 | 40 | 1730 | 2102 |
| 728 | Paleobotany | 2 | 40 | 239 | 320 |
| 728 | internet | 1 | 40 | 2476 | 1757 |
| 728 | Vegetation dynamics | 2 | 40 | 229 | 312 |
| 728 | Youth | 2 | 40 | 940 | 1167 |
| 728 | Longevity | 1 | 40 | 461 | 436 |
| 728 | rejuvenation | 1 | 40 | 345 | 383 |
| 744 | Dermatology | 2 | 39 | 2732 | 2835 |
| 744 | Adsorption | 3 | 39 | 232 | 372 |
| 744 | Paleobiogeography | 3 | 39 | 86 | 102 |
| 744 | acupuncture | 1 | 39 | 542 | 173 |
| 744 | War and Society | 1 | 39 | 428 | 450 |
| 744 | warfare | 1 | 39 | 634 | 620 |
| 744 | peace | 1 | 39 | 965 | 753 |
| 744 | Enzyme | 1 | 39 | 1012 | 1065 |
| 744 | international cooperation | 1 | 39 | 1332 | 1170 |
| 744 | Emotions | 2 | 39 | 801 | 1102 |
| 754 | Information Theory | 4 | 38 | 1243 | 1683 |
| 754 | Mathematical Economics | 4 | 38 | 275 | 421 |
| 754 | Biodegradation | 2 | 38 | 1098 | 1553 |
| 754 | Globalization | 1 | 38 | 1244 | 1005 |
| 754 | Structural Equation Modeling | 2 | 38 | 148 | 221 |
| 754 | disabilities | 5 | 38 | 647 | 1333 |
| 754 | China | 4 | 38 | 3107 | 4426 |
| 754 | weight loss | 3 | 38 | 192 | 325 |
| 754 | Aquaculture | 3 | 38 | 1741 | 2215 |
| 763 | Emergency Medical Services | 3 | 37 | 1082 | 1435 |
| 763 | Mobile Computing | 4 | 37 | 1136 | 1437 |
| 763 | Biopharmaceutics | 2 | 37 | 1886 | 2329 |
| 763 | radiocarbon dating | 1 | 37 | 197 | 122 |
| 763 | forest policy | 1 | 37 | 808 | 692 |
| 763 | atmosphere | 3 | 37 | 986 | 1515 |
| 769 | Computer Engineering | 1 | 36 | 1805 | 1237 |
| 769 | Environmental Archaeology | 3 | 36 | 68 | 100 |
| 769 | Prospecting | 1 | 36 | 241 | 116 |
| 769 | Synapses | 1 | 36 | 624 | 648 |
| 773 | Pathology | 4 | 35 | 2697 | 4531 |
| 773 | Occupational Health | 2 | 35 | 1850 | 1788 |
| 773 | air quality management | 4 | 35 | 481 | 1246 |
| 776 | Water Microbiology | 1 | 34 | 1106 | 1092 |
| 776 | sports administration | 2 | 34 | 418 | 495 |
| 776 | body temperature | 1 | 34 | 1110 | 938 |
| 776 | Fouling | 1 | 34 | 570 | 642 |
| 780 | Ceramics | 4 | 33 | 1598 | 2278 |
| 780 | Neuromuscular diseases | 1 | 33 | 1438 | 1421 |
| 780 | Glass | 4 | 33 | 1213 | 1971 |
| 780 | pottery | 4 | 33 | 1158 | 1929 |
| 780 | Trace elements | 1 | 33 | 663 | 784 |
| 780 | Muscles | 1 | 33 | 1857 | 1960 |
| 780 | Bones | 1 | 33 | 1864 | 1910 |
| 780 | pigments | 3 | 33 | 955 | 1473 |
| 780 | Genes | 1 | 33 | 2359 | 2214 |
| 789 | Pediatric Neurology | 1 | 32 | 2087 | 2585 |
| 789 | radiation monitoring | 2 | 32 | 1046 | 796 |
| 789 | Economic Thought | 1 | 32 | 593 | 713 |
| 789 | Medicinal plants | 1 | 32 | 2807 | 2900 |
| 789 | civilization | 16 | 32 | 573 | 700 |
| 789 | economic conditions | 1 | 32 | 1263 | 891 |
| 789 | stocks | 1 | 32 | 339 | 417 |
| 796 | Cloud Computing | 1 | 31 | 546 | 468 |
| 796 | Telemedicine | 1 | 31 | 1058 | 1038 |
| 796 | Nuclear Chemistry | 5 | 31 | 1064 | 1531 |
| 796 | Radiochemistry | 5 | 31 | 985 | 1389 |
| 796 | Communication and Culture | 2 | 31 | 409 | 348 |
| 796 | foreign exchange | 1 | 31 | 694 | 741 |
| 796 | older people | 2 | 31 | 2595 | 2401 |
| 796 | Social interaction | 2 | 31 | 431 | 601 |
| 804 | Sports Medicine | 2 | 30 | 3778 | 3737 |
| 804 | Industrial Safety | 2 | 30 | 1851 | 2095 |
| 804 | Energy metabolism | 1 | 30 | 1230 | 1251 |
| 804 | cooperation | 1 | 30 | 344 | 175 |
| 804 | Communication in medicine | 1 | 30 | 1115 | 1043 |
| 804 | machinery | 1 | 30 | 1543 | 1291 |
| 804 | ecosystem | 3 | 30 | 1644 | 2828 |
| 804 | Asia | 3 | 30 | 3592 | 4207 |
| 804 | cell membrane | 1 | 30 | 1172 | 1207 |
| 804 | Structure-activity relationship | 2 | 30 | 667 | 777 |
| 814 | Pharmacy | 1 | 29 | 4217 | 3980 |
| 814 | Wireless Communication | 2 | 29 | 662 | 683 |
| 814 | Porous materials | 3 | 29 | 886 | 1214 |
| 814 | cross-cultural comparison | 5 | 29 | 412 | 1064 |
| 818 | Sociolinguistics | 7 | 28 | 280 | 652 |
| 818 | Cytogenetics | 1 | 28 | 3085 | 3458 |
| 818 | Municipal Engineering | 1 | 28 | 889 | 831 |
| 818 | Infertility | 1 | 28 | 2148 | 2193 |
| 818 | fertility | 1 | 28 | 2256 | 2314 |
| 823 | Physical Geography | 1 | 27 | 1199 | 996 |
| 823 | Strategic planning | 2 | 27 | 1102 | 1401 |
| 823 | Geodynamics | 1 | 27 | 1451 | 1492 |
| 823 | Outdoor recreation | 2 | 27 | 109 | 214 |
| 823 | Biomolecules | 2 | 27 | 695 | 1231 |
| 823 | Radiation dosimetry | 1 | 27 | 1132 | 690 |
| 829 | Robotics | 2 | 26 | 2289 | 2710 |
| 829 | Early Childhood Education | 1 | 26 | 1092 | 911 |
| 829 | health services accessibility | 4 | 26 | 1016 | 1989 |
| 829 | Blended Learning | 3 | 26 | 15 | 48 |
| 829 | Fermentation | 2 | 26 | 416 | 556 |
| 829 | Learning disabilities | 2 | 26 | 1156 | 1477 |
| 829 | Learning strategies | 3 | 26 | 17 | 52 |
| 829 | brewing | 2 | 26 | 355 | 409 |
| 829 | carbon monoxide | 2 | 26 | 463 | 969 |
| 829 | econometric models | 5 | 26 | 463 | 1167 |
| 839 | Social Psychology | 3 | 25 | 2502 | 3833 |
| 839 | Demography | 3 | 25 | 837 | 1454 |
| 839 | Morphology | 3 | 25 | 1007 | 1366 |
| 839 | Coastal zone management | 1 | 25 | 1398 | 1509 |
| 839 | Depression | 1 | 25 | 844 | 1153 |
| 839 | Environmental risk assessment | 3 | 25 | 469 | 924 |
| 839 | Marine resources | 1 | 25 | 1424 | 1559 |
| 839 | indoor air pollution | 2 | 25 | 604 | 1029 |
| 839 | Sick building syndrome | 2 | 25 | 604 | 1029 |
| 839 | commerce | 2 | 25 | 2282 | 2547 |
| 839 | Maps | 4 | 25 | 134 | 321 |
| 850 | Behavioral Genetics | 1 | 24 | 521 | 666 |
| 850 | health behavior | 2 | 24 | 1534 | 2229 |
| 850 | Socioeconomic Factors | 3 | 24 | 940 | 1967 |
| 850 | Substance Abuse | 4 | 24 | 1612 | 2878 |
| 850 | Capital market | 2 | 24 | 554 | 900 |
| 850 | scientific societies | 2 | 24 | 1340 | 1894 |
| 856 | Higher Education | 4 | 23 | 510 | 1013 |
| 856 | Metallic Glasses | 1 | 23 | 856 | 938 |
| 856 | adolescence | 2 | 23 | 1314 | 1892 |
| 856 | Adolescent Psychology | 2 | 23 | 1269 | 1758 |
| 856 | Cellulose | 1 | 23 | 1294 | 1509 |
| 861 | Animal Nutrition | 3 | 22 | 666 | 1146 |
| 861 | Organizational change | 2 | 22 | 1048 | 1393 |
| 861 | Animal breeding | 2 | 22 | 1093 | 1502 |
| 861 | Indoor air quality | 1 | 22 | 237 | 188 |
| 861 | Air Conditioning | 1 | 22 | 454 | 369 |
| 861 | Animal genetics | 2 | 22 | 859 | 1250 |
| 861 | Shape Memory Alloys | 1 | 22 | 119 | 110 |
| 861 | elasticity | 1 | 22 | 456 | 424 |
| 861 | Shape memory polymers | 1 | 22 | 119 | 110 |
| 861 | Shape Memory Effect | 1 | 22 | 119 | 110 |
| 861 | heating | 1 | 22 | 363 | 327 |
| 872 | Radiation Oncology | 1 | 21 | 838 | 985 |
| 872 | Environmental Education | 1 | 21 | 798 | 768 |
| 872 | social justice | 3 | 21 | 423 | 526 |
| 872 | Heritage Tourism | 3 | 21 | 107 | 326 |
| 872 | cultural tourism | 3 | 21 | 105 | 326 |
| 872 | X-rays | 1 | 21 | 1522 | 1331 |
| 872 | marketing | 2 | 21 | 2541 | 3196 |
| 872 | Granular materials | 1 | 21 | 1207 | 1448 |
| 880 | Occupational Therapy | 1 | 20 | 2340 | 1825 |
| 880 | Physical Therapy | 2 | 20 | 2031 | 2940 |
| 880 | Pediatric Dermatology | 1 | 20 | 1008 | 998 |
| 880 | Nanobiotechnology | 2 | 20 | 620 | 1417 |
| 880 | Developmental Biology | 2 | 20 | 3041 | 4407 |
| 880 | industrial hygiene | 1 | 20 | 2614 | 2051 |
| 880 | Nanotubes | 1 | 20 | 483 | 361 |
| 880 | drugs | 1 | 20 | 4383 | 4694 |
| 880 | alcohol | 1 | 20 | 224 | 183 |
| 880 | Chronic diseases | 1 | 20 | 1515 | 1915 |
| 890 | Aerospace Engineering | 3 | 19 | 381 | 564 |
| 890 | Marine Ecology | 1 | 19 | 1465 | 1592 |
| 890 | Marine Meteorology | 1 | 19 | 656 | 746 |
| 890 | Financial Engineering | 1 | 19 | 534 | 597 |
| 890 | Human Rights | 3 | 19 | 673 | 1109 |
| 890 | Critical Legal Studies | 2 | 19 | 174 | 210 |
| 890 | Social Issues | 2 | 19 | 347 | 652 |
| 890 | food contamination | 3 | 19 | 1315 | 2253 |
| 890 | Language planning | 4 | 19 | 134 | 230 |
| 890 | Volcanoes | 1 | 19 | 549 | 661 |
| 890 | Tropical Medicine | 1 | 19 | 3777 | 3909 |
| 890 | Petroleum | 3 | 19 | 381 | 566 |
| 890 | natural gas | 3 | 19 | 484 | 996 |
| 903 | Cognitive Psychology | 1 | 18 | 841 | 738 |
| 903 | Production Engineering | 1 | 18 | 3518 | 3393 |
| 903 | Process Control | 1 | 18 | 1630 | 2144 |
| 903 | Hemostasis | 2 | 18 | 1315 | 1878 |
| 903 | Thrombosis | 2 | 18 | 1742 | 2593 |
| 903 | Production Management | 1 | 18 | 1951 | 2415 |
| 903 | blood transfusion | 1 | 18 | 1741 | 1835 |
| 903 | organizational effectiveness | 1 | 18 | 946 | 946 |
| 903 | tests | 1 | 18 | 392 | 514 |
| 912 | Pharmacogenomics | 1 | 17 | 803 | 1123 |
| 912 | Health insurance | 1 | 17 | 1054 | 1185 |
| 912 | Social problems | 1 | 17 | 1230 | 1389 |
| 915 | Biogeography | 1 | 16 | 1749 | 2342 |
| 915 | Bryology | 2 | 16 | 328 | 410 |
| 915 | Community Psychiatry | 1 | 16 | 2238 | 2681 |
| 915 | Patient education | 1 | 16 | 1346 | 1866 |
| 915 | soil microbiology | 1 | 16 | 2781 | 3731 |
| 915 | Knowledge | 1 | 16 | 779 | 680 |
| 915 | Mechanics | 2 | 16 | 1972 | 2292 |
| 915 | counseling | 1 | 16 | 2744 | 2950 |
| 915 | mosses | 2 | 16 | 195 | 273 |
| 915 | liverworts | 2 | 16 | 195 | 273 |
| 915 | drug addiction | 1 | 16 | 2282 | 2803 |
| 915 | Psychiatric Epidemiology | 1 | 16 | 1120 | 1664 |
| 927 | Analytical Toxicology | 2 | 15 | 374 | 747 |
| 927 | Electromagnetism | 2 | 15 | 1101 | 1448 |
| 927 | Social welfare | 2 | 15 | 865 | 1456 |
| 927 | Mutagenesis | 1 | 15 | 1092 | 1344 |
| 927 | Cardiopulmonary Resuscitation | 3 | 15 | 181 | 317 |
| 927 | isomerism | 1 | 15 | 756 | 887 |
| 927 | cardiac arrest | 3 | 15 | 181 | 317 |
| 927 | Osteoporosis | 1 | 15 | 882 | 1171 |
| 927 | Bone diseases | 1 | 15 | 1110 | 1483 |
| 927 | food industry | 2 | 15 | 1022 | 1651 |
| 927 | Chirality | 1 | 15 | 756 | 887 |
| 938 | Lexicography | 3 | 14 | 47 | 92 |
| 938 | Tissue Engineering | 1 | 14 | 716 | 960 |
| 938 | Popular culture | 2 | 14 | 741 | 647 |
| 938 | Neurotransmitters | 1 | 14 | 1213 | 1095 |
| 938 | Chemical kinetics | 3 | 14 | 901 | 1418 |
| 938 | food service | 1 | 14 | 254 | 208 |
| 938 | Alzheimer's disease | 3 | 14 | 1860 | 2513 |
| 938 | Population | 2 | 14 | 1625 | 2441 |
| 946 | Urban Planning | 2 | 13 | 558 | 1068 |
| 946 | Environmental Economics | 3 | 13 | 462 | 1150 |
| 946 | Surface-Active Agents | 2 | 13 | 1580 | 2911 |
| 946 | poverty | 1 | 13 | 1024 | 1366 |
| 946 | Immunochemistry | 2 | 13 | 1663 | 2533 |
| 946 | Public Finance | 4 | 13 | 124 | 403 |
| 946 | Surface properties | 2 | 13 | 1678 | 3030 |
| 946 | Imaging systems | 2 | 13 | 1170 | 1624 |
| 946 | sex differences | 2 | 13 | 221 | 579 |
| 946 | Liquid chromatography | 1 | 13 | 1172 | 1182 |
| 946 | gastrointestinal tract | 1 | 13 | 708 | 1171 |
| 957 | Mathematics Education | 1 | 12 | 892 | 821 |
| 957 | Sustainable Architecture | 1 | 12 | 394 | 432 |
| 957 | Ergonomics | 2 | 12 | 1580 | 2274 |
| 957 | Vocational Education | 2 | 12 | 742 | 1172 |
| 957 | Signal Transduction | 1 | 12 | 2656 | 3520 |
| 957 | Applied Linguistics | 1 | 12 | 1192 | 1122 |
| 957 | community development | 1 | 12 | 1205 | 1337 |
| 957 | Simulation | 1 | 12 | 517 | 743 |
| 957 | Synaptic Transmission | 1 | 12 | 1066 | 1481 |
| 957 | micromechanics | 2 | 12 | 896 | 1537 |
| 957 | Adhesion | 1 | 12 | 1402 | 1660 |
| 957 | Housing | 1 | 12 | 956 | 1267 |
| 957 | theoretical models | 1 | 12 | 517 | 743 |
| 957 | research and development | 1 | 12 | 755 | 968 |
| 957 | Parkinson's disease | 1 | 12 | 541 | 860 |
| 957 | economic analysis | 1 | 12 | 586 | 774 |
| 957 | Germany | 2 | 12 | 1118 | 1148 |
| 957 | disease outbreaks | 1 | 12 | 1248 | 1807 |
| 957 | Epidemics | 1 | 12 | 1171 | 1763 |
| 957 | adhesives | 1 | 12 | 1485 | 1690 |
| 957 | language | 1 | 12 | 1520 | 1689 |
| 978 | Genetic Research | 1 | 11 | 461 | 706 |
| 978 | Measurement | 1 | 11 | 2501 | 3069 |
| 978 | Intelligent Control Systems | 3 | 11 | 1345 | 2213 |
| 978 | Mitochondria | 1 | 11 | 810 | 1150 |
| 978 | Mineral resources | 2 | 11 | 823 | 1751 |
| 983 | Constitutional Law | 10 | 10 | 76 | 181 |
| 983 | Intelligent Transportation Systems | 1 | 10 | 1394 | 1778 |
| 983 | Administrative Law | 8 | 10 | 31 | 31 |
| 983 | Geographic information systems | 3 | 10 | 1315 | 2671 |
| 983 | Precision medicine | 1 | 10 | 560 | 784 |
| 983 | Virtual reality | 1 | 10 | 824 | 1056 |
| 983 | Contraception | 1 | 10 | 1380 | 1989 |
| 983 | Reproductive health | 1 | 10 | 1723 | 2352 |
| 983 | Safety management | 1 | 10 | 1489 | 1818 |
| 983 | India | 1 | 10 | 3750 | 3196 |
| 983 | Birth control | 1 | 10 | 1049 | 1588 |
| 994 | History | 1 | 9 | 2040 | 1096 |
| 994 | Marine Engineering | 2 | 9 | 433 | 595 |
| 994 | Rheumatology | 1 | 9 | 2479 | 3089 |
| 994 | Food Science | 1 | 9 | 503 | 670 |
| 994 | Nanomedicine | 1 | 9 | 605 | 1107 |
| 994 | Music Therapy | 1 | 9 | 540 | 711 |
| 994 | Art Therapy | 1 | 9 | 465 | 640 |