| 1 | Astrophysics | 467 | 24.0K | 282 | 355 |
| 2 | Spectrum analysis | 244 | 17.5K | 361 | 333 |
| 3 | Astronomy | 474 | 15.8K | 240 | 332 |
| 4 | Chemistry | 661 | 14.6K | 584 | 952 |
| 5 | Biochemistry | 559 | 12.6K | 633 | 825 |
| 6 | Molecular Biology | 516 | 10.8K | 460 | 791 |
| 7 | Physics | 323 | 9.7K | 930 | 1207 |
| 8 | Biophysics | 386 | 8.5K | 368 | 521 |
| 9 | Science | 175 | 8.0K | 1116 | 1252 |
| 10 | Biology | 180 | 7.6K | 1005 | 1241 |
| 11 | Medicine | 252 | 7.1K | 919 | 1069 |
| 12 | Analytical Chemistry | 151 | 5.8K | 516 | 447 |
| 13 | Statistical physics | 221 | 5.1K | 361 | 413 |
| 14 | Nuclear Physics | 231 | 4.9K | 652 | 750 |
| 15 | Radiation | 100 | 4.8K | 125 | 50 |
| 16 | Ecology | 120 | 4.7K | 899 | 1034 |
| 17 | Microbiology | 143 | 4.7K | 813 | 984 |
| 18 | human behavior | 13 | 4.5K | 1065 | 343 |
| 19 | behavioral medicine | 5 | 4.4K | 907 | 113 |
| 20 | Research | 203 | 4.3K | 890 | 1128 |
| 21 | radiative transfer | 52 | 4.3K | 56 | 23 |
| 22 | Chromatographic analysis | 145 | 4.1K | 45 | 27 |
| 23 | Polymers | 110 | 4.0K | 755 | 629 |
| 24 | Optics | 132 | 3.8K | 622 | 471 |
| 25 | polymerization | 99 | 3.7K | 653 | 540 |
| 26 | Biomedical Engineering | 54 | 3.5K | 1105 | 669 |
| 27 | Biotechnology | 110 | 3.1K | 823 | 1109 |
| 28 | Colloids | 51 | 2.9K | 975 | 704 |
| 29 | Nervous system | 21 | 2.9K | 818 | 385 |
| 30 | Chromatography | 116 | 2.9K | 45 | 41 |
| 31 | Electrophoresis | 99 | 2.8K | 60 | 78 |
| 32 | Surface Chemistry | 58 | 2.7K | 894 | 692 |
| 33 | Mathematics | 320 | 2.4K | 555 | 832 |
| 34 | Environment | 42 | 2.3K | 1223 | 1314 |
| 35 | Pollution | 56 | 2.0K | 1235 | 1451 |
| 36 | Natural history | 28 | 1.9K | 945 | 1448 |
| 37 | Bioengineering | 62 | 1.9K | 802 | 1027 |
| 38 | Membranes | 45 | 1.9K | 345 | 392 |
| 39 | Botany | 73 | 1.9K | 775 | 945 |
| 40 | Clinical Chemistry | 60 | 1.9K | 450 | 516 |
| 41 | Materials | 61 | 1.9K | 1540 | 1498 |
| 42 | Genetics | 18 | 1.8K | 1306 | 880 |
| 43 | Liver diseases | 7 | 1.7K | 750 | 413 |
| 44 | Cytology | 56 | 1.7K | 890 | 1118 |
| 45 | Renewable Energy Sources | 24 | 1.7K | 837 | 828 |
| 46 | Molecular structure | 85 | 1.6K | 195 | 391 |
| 47 | Human genetics | 14 | 1.6K | 798 | 895 |
| 48 | Pharmaceutical Chemistry | 68 | 1.6K | 671 | 818 |
| 49 | Cybernetics | 4 | 1.5K | 1338 | 325 |
| 49 | Cell Biology | 56 | 1.5K | 831 | 1177 |
| 51 | Chemical Engineering | 69 | 1.5K | 1022 | 1423 |
| 52 | Catalysis | 76 | 1.5K | 822 | 1212 |
| 53 | Respiration | 14 | 1.4K | 593 | 298 |
| 54 | Nanotechnology | 49 | 1.4K | 1287 | 1464 |
| 55 | Optical materials | 73 | 1.4K | 392 | 765 |
| 56 | Plant physiology | 56 | 1.4K | 369 | 621 |
| 57 | Solid State Physics | 72 | 1.3K | 907 | 973 |
| 58 | Meteorology | 25 | 1.3K | 675 | 631 |
| 59 | Condensed Matter | 70 | 1.3K | 785 | 917 |
| 60 | Cancer | 26 | 1.2K | 942 | 896 |
| 61 | environmental pollution | 36 | 1.2K | 1252 | 1386 |
| 62 | Mathematical Physics | 70 | 1.2K | 565 | 617 |
| 63 | Pharmacology | 60 | 1.2K | 1135 | 1377 |
| 64 | Psychology | 41 | 1.2K | 1223 | 1113 |
| 65 | investigative techniques | 19 | 1.1K | 9 | 6 |
| 66 | Toxicology | 27 | 1.1K | 1509 | 1360 |
| 67 | Diagnostic Imaging | 43 | 1.1K | 335 | 415 |
| 68 | Artificial Intelligence | 52 | 1.1K | 816 | 1034 |
| 69 | Water | 33 | 1.1K | 657 | 874 |
| 70 | Plant Ecology | 35 | 1.1K | 422 | 552 |
| 71 | Industrial Microbiology | 24 | 1.0K | 507 | 543 |
| 72 | Biodiversity conservation | 21 | 981 | 515 | 707 |
| 73 | Immunology | 27 | 979 | 942 | 995 |
| 74 | Physiology | 35 | 969 | 1133 | 1243 |
| 75 | Geography | 42 | 964 | 440 | 524 |
| 76 | Virology | 6 | 942 | 1677 | 1067 |
| 77 | Medical genetics | 19 | 941 | 855 | 857 |
| 78 | Biocompatible Materials | 34 | 907 | 1135 | 1439 |
| 79 | Biogeography | 19 | 903 | 330 | 371 |
| 80 | Climatology | 36 | 886 | 407 | 550 |
| 81 | Materials Science | 34 | 851 | 1424 | 1563 |
| 82 | Hematology | 39 | 848 | 615 | 722 |
| 83 | Breeding | 8 | 847 | 653 | 283 |
| 84 | Carbon | 25 | 845 | 317 | 525 |
| 85 | Plant breeding | 6 | 842 | 467 | 114 |
| 85 | heredity | 6 | 842 | 414 | 79 |
| 87 | Microbial Ecology | 21 | 838 | 734 | 904 |
| 88 | Archaeology | 65 | 837 | 185 | 273 |
| 89 | Environmental monitoring | 25 | 833 | 1318 | 1463 |
| 90 | Neurochemistry | 8 | 825 | 1315 | 792 |
| 91 | Medical Laboratory Science | 16 | 751 | 754 | 734 |
| 92 | rehabilitation | 14 | 741 | 874 | 615 |
| 93 | pigments | 28 | 713 | 137 | 157 |
| 94 | Aging | 12 | 711 | 1182 | 816 |
| 95 | Biochemical Engineering | 20 | 704 | 1301 | 1624 |
| 96 | Hydrology | 25 | 672 | 742 | 810 |
| 97 | Climate change | 6 | 667 | 631 | 691 |
| 97 | Eutrophication | 6 | 667 | 599 | 689 |
| 99 | Nanostructured Materials | 35 | 666 | 955 | 1282 |
| 100 | free radicals | 20 | 663 | 413 | 605 |
| 101 | Quantum theory | 37 | 662 | 171 | 239 |
| 102 | Neurophysiology | 15 | 658 | 1191 | 1090 |
| 103 | Bacteriology | 15 | 649 | 733 | 784 |
| 104 | nanoscience | 21 | 641 | 1103 | 1251 |
| 105 | Organic Chemistry | 18 | 639 | 1413 | 1175 |
| 106 | Photonics | 9 | 628 | 1103 | 790 |
| 107 | Dynamics | 34 | 625 | 294 | 296 |
| 107 | Neural circuitry | 13 | 625 | 941 | 701 |
| 109 | Neurology | 21 | 622 | 1671 | 1752 |
| 110 | Environmental Psychology | 11 | 620 | 106 | 141 |
| 110 | Parasitology | 24 | 620 | 738 | 679 |
| 112 | Light | 6 | 612 | 619 | 530 |
| 112 | Immunity | 26 | 612 | 515 | 896 |
| 114 | Agricultural Chemistry | 15 | 608 | 911 | 806 |
| 115 | Functional Analysis | 48 | 594 | 193 | 325 |
| 116 | Soil Science | 29 | 589 | 458 | 716 |
| 117 | Entomology | 25 | 577 | 715 | 596 |
| 118 | Plants | 20 | 575 | 709 | 856 |
| 119 | Geomorphology | 31 | 574 | 329 | 597 |
| 119 | Jurisprudence | 13 | 574 | 377 | 209 |
| 121 | Pathology | 11 | 571 | 895 | 769 |
| 121 | Sites | 13 | 571 | 208 | 192 |
| 123 | infection | 9 | 570 | 775 | 609 |
| 124 | Zoology | 45 | 564 | 551 | 767 |
| 125 | Marine Biology | 34 | 563 | 728 | 1037 |
| 125 | Medical Microbiology | 17 | 563 | 810 | 948 |
| 127 | Bioremediation | 15 | 558 | 153 | 173 |
| 127 | Molecules | 49 | 558 | 296 | 489 |
| 129 | Social Psychology | 13 | 555 | 1009 | 881 |
| 130 | Nuclear Engineering | 17 | 554 | 558 | 330 |
| 131 | Soil ecology | 10 | 551 | 349 | 281 |
| 132 | Environmental Health | 40 | 550 | 1393 | 2318 |
| 133 | Biodegradation | 14 | 547 | 144 | 160 |
| 134 | Calorimetry | 17 | 535 | 337 | 205 |
| 134 | Thermal analysis | 17 | 535 | 337 | 205 |
| 136 | Environmental Policy | 16 | 529 | 1329 | 1581 |
| 137 | Signal Transduction | 12 | 528 | 623 | 661 |
| 138 | Nutrition | 19 | 525 | 1554 | 1700 |
| 139 | Antioxidants | 8 | 516 | 384 | 399 |
| 140 | Bioorganic chemistry | 17 | 513 | 1191 | 1192 |
| 141 | Serology | 10 | 501 | 151 | 84 |
| 142 | mathematical analysis | 70 | 500 | 439 | 753 |
| 143 | Formal Languages | 39 | 493 | 5 | 7 |
| 143 | Computational Complexity | 39 | 493 | 65 | 116 |
| 145 | Biomass Energy | 9 | 492 | 1404 | 1274 |
| 145 | Biodiversity | 16 | 492 | 842 | 884 |
| 147 | Pharmacy | 14 | 491 | 877 | 781 |
| 148 | Food | 15 | 480 | 1388 | 1454 |
| 149 | Computational Chemistry | 17 | 478 | 168 | 249 |
| 150 | Algebra | 66 | 474 | 185 | 272 |
| 151 | Histology | 23 | 473 | 585 | 763 |
| 151 | Photochemistry | 19 | 473 | 559 | 628 |
| 153 | Neurobiology | 7 | 471 | 963 | 842 |
| 153 | soil microbiology | 13 | 471 | 636 | 846 |
| 155 | Forensic Genetics | 18 | 466 | 49 | 72 |
| 155 | biochemical markers | 9 | 466 | 229 | 80 |
| 157 | Toxins | 9 | 459 | 367 | 210 |
| 158 | Oxidation-reduction | 8 | 457 | 421 | 491 |
| 159 | venom | 8 | 456 | 369 | 193 |
| 160 | Leukemia | 8 | 449 | 491 | 469 |
| 161 | freshwater biology | 35 | 439 | 103 | 322 |
| 162 | Environmental Geology | 20 | 433 | 487 | 657 |
| 163 | Metabolism | 9 | 424 | 1216 | 1197 |
| 164 | Tourism | 7 | 422 | 1069 | 860 |
| 165 | Pharmacognosy | 11 | 416 | 919 | 911 |
| 165 | environmental protection | 26 | 416 | 1107 | 1751 |
| 165 | gene therapy | 10 | 416 | 470 | 491 |
| 165 | Genetic therapy | 12 | 416 | 434 | 463 |
| 169 | biological evolution | 14 | 409 | 859 | 1086 |
| 170 | Genomics | 14 | 405 | 1281 | 1354 |
| 170 | Luminescence | 29 | 405 | 233 | 351 |
| 172 | Environmental Management | 15 | 400 | 1297 | 1749 |
| 173 | Immunopathology | 17 | 397 | 438 | 542 |
| 174 | Molecular Spectroscopy | 29 | 396 | 428 | 710 |
| 175 | Radiology | 39 | 390 | 229 | 395 |
| 176 | Pharmacogenetics | 9 | 389 | 419 | 384 |
| 176 | Bioinorganic chemistry | 20 | 389 | 506 | 610 |
| 176 | Biomarkers | 7 | 389 | 174 | 58 |
| 179 | Histochemistry | 19 | 387 | 311 | 373 |
| 180 | complementary therapies | 18 | 386 | 438 | 559 |
| 181 | Photobiology | 16 | 382 | 407 | 520 |
| 182 | Earth Sciences | 15 | 380 | 1494 | 1465 |
| 183 | Metabolic diseases | 7 | 378 | 1185 | 1111 |
| 184 | soil conservation | 17 | 366 | 161 | 281 |
| 185 | Endocrinology | 5 | 365 | 1786 | 1392 |
| 186 | Oncology | 7 | 362 | 1150 | 1288 |
| 187 | Reproduction | 26 | 360 | 675 | 939 |
| 188 | Public Health | 22 | 358 | 1823 | 2278 |
| 189 | Surface-Active Agents | 10 | 357 | 495 | 544 |
| 189 | Surface properties | 10 | 357 | 541 | 604 |
| 191 | Economics | 22 | 355 | 1633 | 1675 |
| 191 | Insects | 19 | 355 | 457 | 520 |
| 193 | Environmental Microbiology | 19 | 352 | 403 | 833 |
| 193 | soil pollution | 14 | 352 | 89 | 119 |
| 195 | actuators | 7 | 346 | 1477 | 1225 |
| 195 | transducers | 7 | 346 | 1477 | 1225 |
| 197 | cosmic rays | 36 | 345 | 49 | 120 |
| 198 | Statistics | 73 | 344 | 458 | 974 |
| 199 | Ophthalmology | 5 | 342 | 1159 | 795 |
| 200 | Nanostructures | 7 | 341 | 1287 | 1033 |
| 201 | Physical Chemistry | 17 | 335 | 905 | 1080 |
| 202 | miniaturization | 6 | 331 | 1220 | 1059 |
| 203 | Electrochemistry | 23 | 329 | 1609 | 1813 |
| 204 | Cognitive Science | 16 | 323 | 555 | 854 |
| 205 | plant molecular biology | 15 | 322 | 598 | 986 |
| 206 | Microelectronics | 4 | 313 | 1405 | 969 |
| 206 | Radiation effects | 6 | 313 | 361 | 316 |
| 208 | bioclimatology | 13 | 311 | 277 | 366 |
| 209 | System analysis | 11 | 308 | 1252 | 1144 |
| 210 | Energy Storage | 5 | 304 | 953 | 675 |
| 211 | Geriatrics | 6 | 302 | 1794 | 1223 |
| 211 | Chromosomes | 10 | 302 | 426 | 491 |
| 213 | Data Mining | 17 | 301 | 485 | 828 |
| 214 | drugs | 13 | 300 | 852 | 949 |
| 215 | Epidemiology | 14 | 298 | 1499 | 1644 |
| 215 | mutation | 5 | 298 | 396 | 317 |
| 217 | Zeolites | 14 | 295 | 329 | 542 |
| 218 | Forest Ecology | 12 | 294 | 464 | 582 |
| 218 | Plant diseases | 14 | 294 | 890 | 923 |
| 220 | personality | 9 | 293 | 818 | 928 |
| 221 | Europe | 102 | 291 | 327 | 1244 |
| 222 | Electronics | 6 | 290 | 2315 | 1550 |
| 223 | Comparative Physiology | 9 | 288 | 427 | 414 |
| 223 | Infections | 6 | 288 | 661 | 673 |
| 225 | Primary health care | 10 | 287 | 801 | 692 |
| 225 | Magnetic Materials | 17 | 287 | 607 | 800 |
| 227 | China | 17 | 283 | 1094 | 1299 |
| 228 | Plant hormones | 13 | 282 | 65 | 131 |
| 229 | Energy Conversion | 4 | 281 | 1034 | 965 |
| 230 | lasers | 17 | 275 | 883 | 963 |
| 231 | Geology | 14 | 272 | 1390 | 1496 |
| 232 | probabilities | 49 | 271 | 240 | 489 |
| 233 | ecosystem | 10 | 269 | 656 | 867 |
| 234 | Crystal growth | 13 | 268 | 399 | 515 |
| 235 | Nonlinear functional analysis | 37 | 266 | 150 | 476 |
| 236 | Immune system | 15 | 265 | 324 | 702 |
| 237 | Energy Policy | 9 | 259 | 1595 | 1950 |
| 238 | Energy Harvesting | 3 | 258 | 430 | 419 |
| 238 | Celestial Mechanics | 12 | 258 | 61 | 75 |
| 238 | Chemical analysis | 11 | 258 | 495 | 631 |
| 241 | Conservation Biology | 5 | 255 | 838 | 686 |
| 242 | Religion and Psychology | 16 | 254 | 76 | 106 |
| 243 | Developmental Biology | 2 | 251 | 1892 | 1231 |
| 243 | Radio | 2 | 251 | 1518 | 846 |
| 245 | eye | 3 | 248 | 177 | 239 |
| 245 | Evolution | 13 | 248 | 820 | 1111 |
| 245 | hygiene | 40 | 248 | 24 | 192 |
| 248 | Investment analysis | 6 | 245 | 623 | 419 |
| 249 | Paleoecology | 10 | 239 | 582 | 669 |
| 249 | Liquid Crystals | 33 | 239 | 176 | 229 |
| 251 | Differential Equations | 26 | 238 | 252 | 478 |
| 252 | Psychophysiology | 10 | 237 | 1413 | 1600 |
| 253 | Pharmaceutical Technology | 11 | 235 | 750 | 926 |
| 254 | Molecular evolution | 7 | 234 | 854 | 985 |
| 255 | Chemical structure | 20 | 233 | 52 | 97 |
| 256 | Wildlife conservation | 10 | 232 | 563 | 835 |
| 257 | Retina | 2 | 231 | 184 | 245 |
| 258 | vitamin C | 5 | 228 | 254 | 255 |
| 258 | vitamin E | 5 | 228 | 254 | 255 |
| 260 | Paleoclimatology | 9 | 227 | 633 | 742 |
| 260 | Regional Planning | 15 | 227 | 630 | 832 |
| 262 | data collection | 14 | 226 | 318 | 666 |
| 263 | Food additives | 4 | 224 | 902 | 799 |
| 264 | Plastics | 12 | 221 | 792 | 870 |
| 265 | Genetic Toxicology | 4 | 213 | 327 | 295 |
| 266 | Microbial Biotechnology | 2 | 211 | 1281 | 560 |
| 266 | Quantum Gravity | 18 | 211 | 1037 | 1286 |
| 268 | Geophysics | 11 | 208 | 1775 | 2031 |
| 269 | cell physiology | 5 | 207 | 986 | 1047 |
| 270 | Nanoparticles | 6 | 205 | 1334 | 1248 |
| 270 | Dementia | 1 | 205 | 1655 | 575 |
| 270 | Alzheimer's disease | 1 | 205 | 1672 | 619 |
| 273 | Thrombosis | 10 | 203 | 490 | 601 |
| 274 | environmental exposure | 15 | 201 | 720 | 1350 |
| 275 | Green Technology | 6 | 198 | 168 | 143 |
| 275 | Measurement | 17 | 198 | 442 | 763 |
| 277 | amino acids | 5 | 197 | 389 | 350 |
| 278 | hydrocolloids | 2 | 196 | 753 | 629 |
| 279 | Animal Behavior | 16 | 195 | 760 | 1313 |
| 279 | Organometallic chemistry | 22 | 195 | 693 | 1152 |
| 281 | Social Sciences | 9 | 194 | 1982 | 1682 |
| 281 | Molecular Genetics | 11 | 194 | 880 | 1317 |
| 281 | Control Theory | 10 | 194 | 1005 | 967 |
| 284 | Hypertension | 4 | 192 | 984 | 1027 |
| 285 | Oxidative stress | 7 | 188 | 478 | 857 |
| 285 | environmental indicators | 9 | 188 | 601 | 982 |
| 287 | Pharmacokinetics | 8 | 186 | 407 | 572 |
| 287 | cell interaction | 7 | 186 | 597 | 788 |
| 289 | Inflammation | 5 | 184 | 773 | 874 |
| 290 | Soil biology | 12 | 183 | 412 | 805 |
| 291 | Japan | 11 | 182 | 812 | 857 |
| 291 | Paleobotany | 6 | 182 | 84 | 95 |
| 291 | Vegetation dynamics | 6 | 182 | 82 | 94 |
| 294 | Research Design | 8 | 180 | 621 | 752 |
| 294 | Liposomes | 8 | 180 | 278 | 390 |
| 294 | Lipid bilayers | 8 | 180 | 247 | 349 |
| 297 | Sedimentary rocks | 11 | 177 | 245 | 430 |
| 298 | mutagens | 2 | 175 | 751 | 608 |
| 298 | body temperature | 17 | 175 | 58 | 250 |
| 300 | cytokines | 5 | 174 | 843 | 883 |
| 301 | Psychiatry | 15 | 170 | 1667 | 2393 |
| 302 | Land Use Planning | 7 | 168 | 189 | 317 |
| 303 | Philosophy | 41 | 167 | 375 | 573 |
| 303 | Technology | 12 | 167 | 1838 | 2314 |
| 305 | Signal Processing | 9 | 166 | 1495 | 1749 |
| 305 | Semiconductors | 9 | 166 | 1275 | 1181 |
| 307 | cell adhesion molecules | 4 | 164 | 113 | 219 |
| 307 | Cell communication | 4 | 164 | 453 | 527 |
| 309 | Cardiovascular system | 6 | 163 | 806 | 1120 |
| 310 | Environmental Engineering | 8 | 162 | 2300 | 2684 |
| 311 | Cardiovascular Pharmacology | 5 | 161 | 133 | 137 |
| 311 | plant communities | 6 | 161 | 724 | 925 |
| 313 | Food Microbiology | 7 | 159 | 723 | 1111 |
| 313 | DNA repair | 3 | 159 | 249 | 195 |
| 315 | economic policy | 6 | 158 | 1652 | 1225 |
| 316 | Clinical Laboratory Science | 4 | 157 | 144 | 77 |
| 316 | enzymes | 9 | 157 | 804 | 1102 |
| 318 | Solid State Chemistry | 16 | 156 | 1219 | 1649 |
| 319 | Cognition | 9 | 155 | 967 | 1175 |
| 320 | Linguistics | 12 | 154 | 653 | 728 |
| 320 | Communication | 9 | 154 | 1165 | 1416 |
| 322 | Adsorption | 12 | 152 | 33 | 108 |
| 322 | drug therapy | 5 | 152 | 1239 | 1212 |
| 324 | Organometallic compounds | 9 | 151 | 766 | 884 |
| 325 | Economic History | 10 | 148 | 1776 | 1839 |
| 325 | Phylogeny | 7 | 148 | 538 | 819 |
| 327 | Economic Development | 2 | 145 | 1783 | 1245 |
| 327 | Clinical Pharmacology | 13 | 145 | 546 | 857 |
| 327 | brain mapping | 3 | 145 | 548 | 561 |
| 330 | Geobiology | 1 | 142 | 671 | 334 |
| 330 | Mechanics | 5 | 142 | 1029 | 753 |
| 332 | Enzyme inhibitors | 4 | 140 | 304 | 264 |
| 332 | weather | 5 | 140 | 385 | 431 |
| 334 | Critical Care | 1 | 138 | 1503 | 1142 |
| 334 | Critical Care Medicine | 1 | 138 | 1425 | 1122 |
| 336 | Engineering | 12 | 137 | 2233 | 2727 |
| 336 | Sustainable Development | 10 | 137 | 994 | 1736 |
| 336 | Environmental Toxicology | 7 | 137 | 1578 | 2119 |
| 336 | Public Policy | 5 | 137 | 1281 | 1325 |
| 336 | Clinical Biochemistry | 8 | 137 | 622 | 775 |
| 336 | Environmental pollutants | 7 | 137 | 1477 | 1929 |
| 342 | bats | 3 | 136 | 98 | 37 |
| 343 | Mental Disorders | 10 | 135 | 1359 | 1921 |
| 344 | Sedimentology | 3 | 134 | 592 | 484 |
| 344 | Stem cells | 4 | 134 | 996 | 1033 |
| 344 | Climate | 4 | 134 | 467 | 472 |
| 344 | energy resources | 4 | 134 | 1150 | 1505 |
| 348 | pollutants | 6 | 133 | 1315 | 1733 |
| 349 | Palliative Care | 5 | 132 | 535 | 462 |
| 349 | Alternative Medicine | 2 | 132 | 1776 | 1188 |
| 349 | Liquid chromatography | 21 | 132 | 59 | 170 |
| 352 | Forecasting | 5 | 131 | 384 | 379 |
| 352 | city planning | 12 | 131 | 734 | 1168 |
| 352 | Diabetes | 6 | 131 | 1200 | 1489 |
| 355 | analysis | 4 | 130 | 319 | 333 |
| 356 | Analytical Biochemistry | 11 | 129 | 827 | 1228 |
| 356 | intergroup relations | 3 | 129 | 182 | 175 |
| 356 | Pesticides | 7 | 129 | 334 | 400 |
| 359 | Sociology | 83 | 128 | 401 | 2040 |
| 359 | Mutagenesis | 1 | 128 | 810 | 231 |
| 361 | Diabetes mellitus | 5 | 127 | 1247 | 1471 |
| 361 | Cheminformatics | 2 | 127 | 402 | 353 |
| 363 | Mesoporous materials | 2 | 126 | 117 | 95 |
| 364 | coal | 3 | 125 | 1554 | 1553 |
| 365 | Paleontology | 10 | 123 | 700 | 878 |
| 365 | Informatics | 7 | 123 | 498 | 674 |
| 367 | Quantum electronics | 7 | 122 | 1054 | 1049 |
| 367 | soil management | 1 | 122 | 895 | 572 |
| 367 | Optoelectronic devices | 7 | 122 | 577 | 455 |
| 367 | Invertebrates | 7 | 122 | 334 | 422 |
| 367 | tillage | 1 | 122 | 717 | 494 |
| 372 | Systems Analysis | 3 | 121 | 1172 | 800 |
| 373 | Chemotherapy | 3 | 118 | 969 | 875 |
| 373 | Land use | 9 | 118 | 579 | 1053 |
| 373 | Raman spectroscopy | 7 | 118 | 461 | 627 |
| 376 | Diet | 5 | 116 | 1358 | 1849 |
| 376 | Aquatic ecology | 7 | 116 | 580 | 705 |
| 378 | Brain | 9 | 115 | 1388 | 1953 |
| 379 | food technology | 6 | 114 | 1788 | 2238 |
| 379 | finance | 7 | 114 | 1603 | 1701 |
| 381 | Environmental Chemistry | 8 | 113 | 1214 | 1990 |
| 381 | International Finance | 5 | 113 | 1322 | 1405 |
| 381 | Hormones | 3 | 113 | 1053 | 1035 |
| 381 | Steroids | 3 | 113 | 835 | 738 |
| 385 | eugenics | 3 | 112 | 498 | 389 |
| 385 | Agriculture | 3 | 112 | 2033 | 1663 |
| 387 | Medicinal plants | 6 | 111 | 904 | 1371 |
| 387 | telemarketing | 1 | 111 | 231 | 107 |
| 389 | economic forecasting | 3 | 110 | 304 | 304 |
| 389 | mass transfer | 1 | 110 | 2242 | 1514 |
| 389 | Behavior | 4 | 110 | 2388 | 2730 |
| 392 | Industrial Engineering | 11 | 109 | 882 | 1516 |
| 392 | Phytochemistry | 2 | 109 | 397 | 223 |
| 392 | Analytical Toxicology | 1 | 109 | 367 | 158 |
| 392 | Phytoremediation | 2 | 109 | 397 | 223 |
| 392 | environmental remediation | 2 | 109 | 480 | 256 |
| 392 | Bioreactors | 2 | 109 | 397 | 223 |
| 398 | Drug design | 10 | 108 | 729 | 1293 |
| 398 | Ethology | 9 | 108 | 805 | 1398 |
| 398 | Tropical Medicine | 9 | 108 | 938 | 1257 |
| 401 | Hemostasis | 9 | 107 | 349 | 536 |
| 401 | Fixed Point Theory | 10 | 107 | 71 | 77 |
| 401 | gene mapping | 3 | 107 | 1645 | 1713 |
| 404 | Sports | 5 | 106 | 1573 | 1404 |
| 405 | animals | 11 | 105 | 575 | 821 |
| 406 | Urban Policy | 8 | 104 | 432 | 827 |
| 406 | polar regions | 6 | 104 | 390 | 493 |
| 408 | Nonlinear Dynamics | 8 | 103 | 1232 | 1490 |
| 408 | Forest Management | 5 | 103 | 738 | 911 |
| 410 | Rural Development | 3 | 101 | 509 | 490 |
| 410 | Sleep Disorders | 3 | 101 | 1251 | 1100 |
| 410 | Sleep | 3 | 101 | 1278 | 1106 |
| 413 | Political Science | 139 | 100 | 135 | 1058 |
| 413 | Plant cells | 5 | 100 | 747 | 1302 |
| 415 | Health Education | 2 | 99 | 2010 | 1390 |
| 415 | Drug delivery systems | 6 | 99 | 1061 | 1498 |
| 417 | Medical Technology | 4 | 98 | 1251 | 1334 |
| 417 | Anatomy | 12 | 98 | 924 | 1480 |
| 417 | Parasitic Diseases | 5 | 98 | 1376 | 1578 |
| 417 | biological invasions | 3 | 98 | 602 | 611 |
| 421 | Information Theory | 12 | 97 | 670 | 1122 |
| 422 | vascular diseases | 1 | 96 | 871 | 666 |
| 423 | Human Geography | 3 | 95 | 1051 | 839 |
| 423 | Plant Taxonomy | 2 | 95 | 480 | 336 |
| 423 | Health | 3 | 95 | 1915 | 1659 |
| 423 | isomerism | 7 | 95 | 149 | 229 |
| 423 | Bacterial infections | 1 | 95 | 1165 | 855 |
| 423 | Chirality | 7 | 95 | 149 | 229 |
| 429 | Nursing | 8 | 94 | 1150 | 1357 |
| 429 | Political Psychology | 1 | 94 | 571 | 411 |
| 429 | Therapeutics | 7 | 94 | 908 | 1358 |
| 432 | Medical Oncology | 4 | 93 | 1137 | 1310 |
| 432 | Physical organic chemistry | 5 | 93 | 1122 | 1181 |
| 432 | Mental illness | 2 | 93 | 1771 | 1652 |
| 435 | Pediatrics | 2 | 92 | 2144 | 1809 |
| 435 | pain | 6 | 92 | 801 | 1132 |
| 437 | Paleopathology | 8 | 91 | 128 | 189 |
| 437 | viruses | 1 | 91 | 1597 | 1311 |
| 437 | optical devices | 4 | 91 | 384 | 387 |
| 440 | Eastern Europe | 17 | 90 | 183 | 450 |
| 441 | Information Systems | 4 | 89 | 1194 | 1288 |
| 441 | Econometrics | 7 | 89 | 917 | 994 |
| 443 | Agricultural Ecology | 2 | 88 | 1192 | 1200 |
| 443 | Greenhouse gases | 1 | 88 | 476 | 377 |
| 443 | Child | 8 | 88 | 1247 | 1779 |
| 446 | Genetic testing | 1 | 86 | 590 | 187 |
| 447 | Water pollution | 3 | 85 | 2421 | 2583 |
| 447 | nucleic acids | 3 | 85 | 1339 | 1495 |
| 447 | Planets | 2 | 85 | 1469 | 1489 |
| 447 | Fluorescence | 5 | 85 | 290 | 330 |
| 451 | Petroleum Engineering | 1 | 84 | 1052 | 645 |
| 451 | Neuropsychology | 8 | 84 | 1287 | 1901 |
| 453 | Animal husbandry | 3 | 83 | 311 | 278 |
| 453 | livestock | 3 | 83 | 490 | 382 |
| 455 | Landscape Ecology | 4 | 82 | 382 | 569 |
| 456 | Urology | 6 | 80 | 886 | 1125 |
| 456 | Adhesion | 3 | 80 | 723 | 601 |
| 456 | Fertilizers | 3 | 80 | 326 | 386 |
| 456 | adhesives | 3 | 80 | 769 | 608 |
| 460 | Medical Physics | 4 | 79 | 1206 | 1378 |
| 461 | Systems Biology | 3 | 78 | 1311 | 1408 |
| 461 | Cell division | 2 | 78 | 435 | 457 |
| 463 | infrared radiation | 9 | 77 | 259 | 447 |
| 463 | Cell differentiation | 2 | 77 | 1374 | 1515 |
| 463 | Genetic markers | 2 | 77 | 331 | 227 |
| 466 | Enteral nutrition | 3 | 76 | 713 | 902 |
| 466 | Parenteral nutrition | 3 | 76 | 818 | 992 |
| 466 | biological factors | 9 | 76 | 1060 | 1810 |
| 469 | Occupational Health | 12 | 75 | 393 | 863 |
| 469 | Access to Information | 3 | 75 | 157 | 277 |
| 469 | Solitons | 4 | 75 | 1068 | 1189 |
| 469 | big data | 3 | 75 | 629 | 620 |
| 469 | Fractals | 4 | 75 | 1074 | 1192 |
| 469 | Chaos | 4 | 75 | 1068 | 1189 |
| 469 | Screening | 5 | 75 | 89 | 159 |
| 469 | Information dissemination | 3 | 75 | 157 | 277 |
| 477 | Nanochemistry | 2 | 74 | 1506 | 1284 |
| 477 | Freshwater Ecology | 14 | 74 | 36 | 171 |
| 477 | Asthma | 5 | 74 | 440 | 543 |
| 477 | Sports Medicine | 10 | 74 | 1316 | 1848 |
| 477 | Quality Control | 6 | 74 | 1172 | 1812 |
| 477 | Biofeedback | 2 | 74 | 136 | 168 |
| 477 | Cognitive Therapy | 1 | 74 | 987 | 609 |
| 477 | behavior therapy | 2 | 74 | 902 | 806 |
| 485 | Oceanography | 3 | 73 | 1517 | 1563 |
| 485 | Transnational corporations | 2 | 73 | 514 | 454 |
| 485 | Chromosome mapping | 2 | 73 | 1807 | 1794 |
| 488 | Cognitive neuroscience | 5 | 72 | 710 | 1063 |
| 488 | Calculus of Variations | 10 | 72 | 256 | 427 |
| 488 | rare diseases | 3 | 72 | 533 | 584 |
| 488 | Microstructure | 2 | 72 | 1167 | 697 |
| 488 | Exercise | 4 | 72 | 1245 | 1287 |
| 493 | Freeze-Drying | 6 | 71 | 192 | 369 |
| 493 | Hypothermia | 6 | 71 | 192 | 369 |
| 493 | Freeze Drying | 6 | 71 | 192 | 369 |
| 493 | carcinogens | 3 | 71 | 853 | 1008 |
| 493 | Gastrointestinal diseases | 3 | 71 | 609 | 563 |
| 498 | industrial hygiene | 10 | 70 | 411 | 706 |
| 498 | Entropy | 12 | 70 | 422 | 998 |
| 498 | animal diseases | 6 | 70 | 300 | 504 |
| 498 | language | 2 | 70 | 973 | 853 |
| 502 | Geometry | 11 | 69 | 619 | 742 |
| 502 | land degradation | 4 | 69 | 394 | 645 |
| 502 | Allergy | 4 | 69 | 777 | 1119 |
| 502 | degradation | 4 | 69 | 394 | 645 |
| 506 | occupational diseases | 9 | 68 | 360 | 913 |
| 507 | Horticulture | 1 | 67 | 1216 | 717 |
| 508 | Historical Linguistics | 1 | 66 | 197 | 55 |
| 508 | Stochastic Processes | 8 | 66 | 508 | 813 |
| 508 | preventive medicine | 1 | 66 | 1638 | 1229 |
| 508 | fuel cells | 2 | 66 | 1382 | 1427 |
| 508 | Ethnology | 4 | 66 | 1265 | 1143 |
| 513 | Religious Education | 10 | 65 | 30 | 54 |
| 513 | Discourse Analysis | 4 | 65 | 303 | 412 |
| 513 | Microorganisms | 4 | 65 | 821 | 1292 |
| 516 | Logic | 23 | 64 | 82 | 315 |
| 516 | Clinical Immunology | 2 | 64 | 1005 | 1029 |
| 516 | Social policy | 12 | 64 | 427 | 948 |
| 519 | food contamination | 8 | 63 | 505 | 1040 |
| 520 | Education | 15 | 62 | 1628 | 2870 |
| 520 | Neurosurgery | 3 | 62 | 808 | 935 |
| 520 | Solar Energy | 2 | 62 | 1998 | 2137 |
| 523 | Constitutional Law | 61 | 61 | 8 | 32 |
| 523 | cryosphere | 6 | 61 | 243 | 459 |
| 525 | Anthropology | 15 | 60 | 615 | 1300 |
| 525 | Synaptic Transmission | 1 | 60 | 679 | 553 |
| 527 | alcoholism | 6 | 59 | 889 | 1410 |
| 528 | Cosmology | 2 | 58 | 734 | 649 |
| 528 | nuclear astrophysics | 2 | 58 | 580 | 554 |
| 528 | Radiobiology | 3 | 58 | 1024 | 1178 |
| 528 | landscapes | 5 | 58 | 98 | 206 |
| 528 | Menopause | 1 | 58 | 495 | 342 |
| 528 | Genes | 2 | 58 | 1223 | 1205 |
| 534 | Ultrasonics | 1 | 57 | 1780 | 1610 |
| 534 | Ferroelectricity | 1 | 57 | 1467 | 801 |
| 534 | Sound | 1 | 57 | 1565 | 924 |
| 534 | Ultrasound | 1 | 57 | 1071 | 829 |
| 534 | Radio frequency | 1 | 57 | 691 | 518 |
| 539 | Dermatology | 6 | 56 | 1021 | 1389 |
| 539 | Inorganic Chemistry | 1 | 56 | 121 | 88 |
| 539 | educational planning | 2 | 56 | 525 | 554 |
| 539 | Maps | 5 | 56 | 94 | 168 |
| 543 | Environmental Economics | 1 | 55 | 777 | 470 |
| 543 | Developmental Neurobiology | 1 | 55 | 892 | 607 |
| 545 | Democracy | 73 | 54 | 4 | 230 |
| 545 | foreign policy | 73 | 54 | 17 | 133 |
| 545 | dietary supplements | 3 | 54 | 883 | 1198 |
| 545 | Developmental Immunology | 1 | 54 | 931 | 816 |
| 545 | political power | 73 | 54 | 1 | 1 |
| 545 | peptides | 2 | 54 | 973 | 834 |
| 545 | Legislation | 2 | 54 | 15 | 8 |
| 545 | Combinatorial analysis | 3 | 54 | 1039 | 765 |
| 545 | proteins | 2 | 54 | 1972 | 1933 |
| 554 | Obstetrics | 6 | 53 | 1373 | 1928 |
| 554 | Paleogeography | 3 | 53 | 915 | 1119 |
| 554 | Cognitive Grammar | 3 | 53 | 54 | 86 |
| 554 | Nutrigenomics | 2 | 53 | 112 | 175 |
| 558 | Computational Biology | 10 | 52 | 1250 | 2503 |
| 558 | Mass Spectrometry | 3 | 52 | 1047 | 1133 |
| 558 | Quality of life | 3 | 52 | 1370 | 1797 |
| 561 | Nutrition physiology | 2 | 51 | 858 | 946 |
| 561 | Adolescent | 2 | 51 | 2237 | 2047 |
| 561 | Evolution equations | 8 | 51 | 40 | 120 |
| 564 | Molecular Pharmacology | 1 | 50 | 1095 | 1064 |
| 564 | Randomized Controlled Trials | 6 | 50 | 625 | 898 |
| 564 | Business | 2 | 50 | 2432 | 2514 |
| 564 | Semiotics | 3 | 50 | 377 | 201 |
| 564 | psychotherapy | 2 | 50 | 1389 | 1287 |
| 564 | Cognitive Learning | 2 | 50 | 156 | 142 |
| 564 | drug evaluation | 5 | 50 | 932 | 1488 |
| 571 | Green Chemistry | 4 | 49 | 1452 | 2203 |
| 571 | Multicultural Education | 6 | 49 | 227 | 411 |
| 571 | Quantum Optics | 8 | 49 | 530 | 911 |
| 571 | Geriatric Oncology | 1 | 49 | 807 | 720 |
| 571 | natural products | 5 | 49 | 1393 | 1830 |
| 571 | ethanol | 4 | 49 | 406 | 596 |
| 571 | Atomic spectroscopy | 8 | 49 | 688 | 1167 |
| 571 | Prospecting | 4 | 49 | 45 | 72 |
| 571 | Laser Spectroscopy | 8 | 49 | 482 | 869 |
| 580 | Total Quality Management | 3 | 48 | 541 | 803 |
| 580 | food handling | 3 | 48 | 907 | 1444 |
| 580 | Information Science | 5 | 48 | 2022 | 2866 |
| 583 | Regional Economics | 7 | 47 | 251 | 554 |
| 583 | Carcinogenesis | 1 | 47 | 1273 | 1177 |
| 583 | Edible plants | 2 | 47 | 284 | 433 |
| 583 | pharmaceutical industry | 2 | 47 | 692 | 685 |
| 587 | Automation | 3 | 46 | 2079 | 2408 |
| 587 | Ethnic relations | 3 | 46 | 600 | 563 |
| 587 | Pest control | 2 | 46 | 172 | 143 |
| 587 | Fisheries | 4 | 46 | 1297 | 1631 |
| 591 | Cytogenetics | 7 | 45 | 763 | 1542 |
| 591 | Crystallography | 10 | 45 | 946 | 1195 |
| 591 | management | 6 | 45 | 2423 | 3556 |
| 591 | Lipids | 2 | 45 | 1383 | 1603 |
| 591 | Library Science | 5 | 45 | 673 | 825 |
| 591 | cultural pluralism | 2 | 45 | 543 | 504 |
| 597 | Molecular ecology | 2 | 44 | 1113 | 1575 |
| 597 | ethnobiology | 1 | 44 | 450 | 454 |
| 597 | Industry | 2 | 44 | 247 | 584 |
| 597 | biological monitoring | 2 | 44 | 620 | 779 |
| 601 | World History | 64 | 43 | 2 | 65 |
| 601 | Planetary Science | 6 | 43 | 319 | 536 |
| 601 | Power Electronics | 2 | 43 | 1140 | 1277 |
| 601 | civilization | 68 | 43 | 75 | 520 |
| 601 | Allergies | 3 | 43 | 108 | 176 |
| 606 | Pediatric Endocrinology | 1 | 42 | 542 | 287 |
| 606 | Population Genetics | 3 | 42 | 1095 | 1587 |
| 606 | Water quality | 3 | 42 | 178 | 349 |
| 606 | global environmental change | 3 | 42 | 774 | 1288 |
| 606 | Infrared spectroscopy | 2 | 42 | 424 | 507 |
| 606 | Metabolic disorders in children | 1 | 42 | 513 | 258 |
| 606 | cardiac catheterization | 4 | 42 | 461 | 555 |
| 606 | Water chemistry | 3 | 42 | 309 | 496 |
| 606 | environmental issues | 3 | 42 | 400 | 730 |
| 615 | Clinical Psychology | 6 | 41 | 799 | 1426 |
| 615 | energy conservation | 3 | 41 | 2032 | 2772 |
| 615 | Computational Intelligence | 2 | 41 | 880 | 848 |
| 615 | Ocean Engineering | 1 | 41 | 2109 | 1975 |
| 615 | Microscopy | 2 | 41 | 1602 | 1469 |
| 615 | Australia | 8 | 41 | 1027 | 1951 |
| 621 | Knowledge | 5 | 40 | 386 | 485 |
| 621 | DNS | 1 | 40 | 809 | 715 |
| 621 | Antarctica | 3 | 40 | 530 | 605 |
| 621 | Recombinant DNA | 1 | 40 | 1994 | 1742 |
| 621 | DNA | 1 | 40 | 983 | 782 |
| 626 | Ecohydrology | 4 | 39 | 280 | 503 |
| 626 | Plant tissue culture | 4 | 39 | 597 | 1049 |
| 626 | Foodborne diseases | 2 | 39 | 303 | 431 |
| 626 | Agricultural systems | 1 | 39 | 546 | 619 |
| 626 | Plant cell culture | 4 | 39 | 527 | 1035 |
| 626 | Emotions | 1 | 39 | 903 | 883 |
| 632 | Kinetics | 4 | 38 | 402 | 663 |
| 632 | Agricultural Microbiology | 6 | 38 | 41 | 61 |
| 632 | Operations Research | 6 | 38 | 1584 | 2335 |
| 632 | textile fibers | 5 | 38 | 292 | 528 |
| 636 | Information Technology | 4 | 37 | 2154 | 2847 |
| 636 | Underwater Archaeology | 2 | 37 | 139 | 77 |
| 636 | Porous materials | 2 | 37 | 977 | 945 |
| 636 | Parasites | 7 | 37 | 1015 | 1844 |
| 640 | Ergonomics | 3 | 36 | 876 | 1136 |
| 640 | Laser-plasma interactions | 6 | 36 | 53 | 84 |
| 640 | Bioinformatics | 6 | 36 | 1324 | 2268 |
| 640 | Wetland ecology | 2 | 36 | 587 | 673 |
| 640 | Obesity | 5 | 36 | 1278 | 2260 |
| 640 | Plasma density | 6 | 36 | 53 | 84 |
| 640 | Memory | 2 | 36 | 1596 | 1865 |
| 647 | Quantum Chemistry | 10 | 35 | 26 | 251 |
| 647 | Animal ecology | 5 | 35 | 867 | 1406 |
| 647 | Gene expression regulation | 2 | 35 | 1043 | 1225 |
| 650 | Biogeochemistry | 4 | 34 | 870 | 1573 |
| 650 | Bibliometrics | 2 | 34 | 181 | 299 |
| 650 | DNA polymerases | 1 | 34 | 563 | 808 |
| 653 | Composite Materials | 2 | 33 | 2668 | 3070 |
| 653 | Water Microbiology | 3 | 33 | 434 | 822 |
| 653 | Group decision making | 1 | 33 | 820 | 702 |
| 656 | Orthopedics | 3 | 32 | 1185 | 1511 |
| 656 | Database Management | 1 | 32 | 1135 | 1000 |
| 656 | Plant Pathology | 4 | 32 | 113 | 211 |
| 656 | Educational Technology | 3 | 32 | 1655 | 2281 |
| 656 | Expert Systems | 1 | 32 | 535 | 341 |
| 656 | Simulation Methods | 2 | 32 | 1313 | 1452 |
| 656 | pain management | 4 | 32 | 469 | 778 |
| 656 | Soil fertility | 3 | 32 | 302 | 675 |
| 656 | marketing | 1 | 32 | 2597 | 2414 |
| 656 | medical education | 3 | 32 | 1538 | 1977 |
| 656 | Transplantation | 1 | 32 | 1098 | 1118 |
| 656 | Navier-Stokes equations | 3 | 32 | 151 | 183 |
| 656 | packaging | 1 | 32 | 258 | 230 |
| 669 | Mental Health | 3 | 31 | 1500 | 1953 |
| 669 | Ethnoarchaeology | 1 | 31 | 341 | 334 |
| 669 | Emergency Medicine | 2 | 31 | 1305 | 1358 |
| 669 | Learning disabilities | 2 | 31 | 934 | 1077 |
| 669 | Intellectual disability | 2 | 31 | 899 | 1029 |
| 669 | Human biology | 5 | 31 | 456 | 846 |
| 669 | Fouling | 2 | 31 | 288 | 507 |
| 676 | Numerical Analysis | 2 | 30 | 2623 | 2489 |
| 676 | Metallurgy | 1 | 30 | 2724 | 2318 |
| 676 | Gerontology | 3 | 30 | 1709 | 2040 |
| 676 | Primates | 3 | 30 | 680 | 928 |
| 680 | Computer Graphics | 3 | 29 | 1645 | 2077 |
| 680 | Heterocyclic chemistry | 5 | 29 | 357 | 634 |
| 680 | Quantum Communication | 1 | 29 | 318 | 363 |
| 680 | Moon | 5 | 29 | 96 | 186 |
| 680 | Mineral resources | 2 | 29 | 839 | 1264 |
| 680 | Scandinavia | 2 | 29 | 710 | 837 |
| 686 | Surgery | 3 | 28 | 1226 | 1648 |
| 686 | Chemical Ecology | 1 | 28 | 808 | 922 |
| 686 | Psycholinguistics | 4 | 28 | 797 | 1281 |
| 686 | Neonatology | 2 | 28 | 692 | 883 |
| 686 | Chemical kinetics | 9 | 28 | 345 | 908 |
| 686 | Mycology | 2 | 28 | 1659 | 1951 |
| 686 | United States | 7 | 28 | 3094 | 4986 |
| 686 | Detectors | 2 | 28 | 1748 | 2062 |
| 686 | Solar System | 3 | 28 | 704 | 960 |
| 695 | Ecological Genetics | 4 | 27 | 545 | 920 |
| 695 | Probability | 3 | 27 | 574 | 899 |
| 695 | Ecophysiology | 3 | 27 | 207 | 481 |
| 695 | Transportation | 3 | 27 | 1561 | 2113 |
| 695 | Spectroscopy | 1 | 27 | 371 | 110 |
| 695 | men | 2 | 27 | 395 | 557 |
| 695 | Solutions | 1 | 27 | 700 | 548 |
| 695 | Vision | 2 | 27 | 720 | 944 |
| 695 | carbon monoxide | 1 | 27 | 676 | 854 |
| 704 | Psychopharmacology | 3 | 26 | 1194 | 1775 |
| 704 | Gene expression | 1 | 26 | 449 | 475 |
| 704 | Drying | 2 | 26 | 481 | 678 |
| 704 | Genetic regulation | 1 | 26 | 1425 | 1493 |
| 704 | Hospitality industry | 1 | 26 | 808 | 873 |
| 709 | Economic Geography | 2 | 25 | 462 | 608 |
| 709 | Maritime Law | 2 | 25 | 101 | 96 |
| 709 | Marine Conservation | 2 | 25 | 81 | 77 |
| 709 | Law of the Sea | 2 | 25 | 82 | 77 |
| 709 | Family | 5 | 25 | 721 | 1390 |
| 709 | East Asia | 2 | 25 | 828 | 893 |
| 709 | families | 5 | 25 | 661 | 1149 |
| 709 | Vaccines | 3 | 25 | 1485 | 2244 |
| 717 | Epigenetics | 5 | 24 | 133 | 434 |
| 717 | Microcirculation | 3 | 24 | 438 | 778 |
| 717 | Ecosystem management | 2 | 24 | 820 | 1115 |
| 717 | Laser therapy | 2 | 24 | 540 | 636 |
| 717 | Epigenomics | 5 | 24 | 131 | 426 |
| 717 | Extreme Value Theory | 3 | 24 | 75 | 152 |
| 717 | clay | 1 | 24 | 1298 | 1555 |
| 717 | Blood vessels | 3 | 24 | 364 | 684 |
| 717 | catalytic activity | 2 | 24 | 766 | 1084 |
| 717 | Trace elements | 1 | 24 | 523 | 674 |
| 727 | Systems Engineering | 5 | 23 | 1729 | 2785 |
| 727 | Travel | 1 | 23 | 1309 | 1239 |
| 727 | Eating Disorders | 2 | 23 | 915 | 1233 |
| 727 | Feeding and Eating Disorders | 2 | 23 | 885 | 1189 |
| 727 | Entrepreneurship | 1 | 23 | 1609 | 1814 |
| 727 | Neurons | 1 | 23 | 743 | 1057 |
| 727 | ecotourism | 1 | 23 | 466 | 608 |
| 727 | Consciousness | 1 | 23 | 813 | 748 |
| 735 | symbiosis | 1 | 22 | 328 | 358 |
| 735 | Disability Law | 1 | 22 | 311 | 325 |
| 735 | Developmental Disabilities | 1 | 22 | 1369 | 1546 |
| 735 | Child psychology | 2 | 22 | 1504 | 2000 |
| 735 | Visual Perception | 1 | 22 | 1821 | 1815 |
| 735 | human development | 3 | 22 | 772 | 1360 |
| 735 | drug abuse | 3 | 22 | 600 | 983 |
| 735 | Attention | 1 | 22 | 1900 | 1953 |
| 735 | Perception | 1 | 22 | 2015 | 2013 |
| 735 | Textile industry | 4 | 22 | 404 | 650 |
| 745 | Engineering Mathematics | 8 | 21 | 1125 | 2264 |
| 745 | Ecosystem services | 1 | 21 | 55 | 75 |
| 745 | Wetland conservation | 1 | 21 | 628 | 672 |
| 745 | genome | 2 | 21 | 1510 | 2124 |
| 745 | wildlife diseases | 3 | 21 | 153 | 283 |
| 745 | Wetlands | 1 | 21 | 639 | 674 |
| 751 | Higher Education | 2 | 20 | 774 | 1025 |
| 751 | Music | 2 | 20 | 1065 | 1103 |
| 751 | Geochemistry | 1 | 20 | 2423 | 2610 |
| 751 | Ichthyology | 1 | 20 | 814 | 685 |
| 751 | voice | 2 | 20 | 575 | 745 |
| 751 | Cosmochemistry | 1 | 20 | 1248 | 1448 |
| 751 | rivers | 1 | 20 | 534 | 590 |
| 751 | Fish | 1 | 20 | 652 | 593 |
| 759 | Emergency Medical Services | 1 | 19 | 1040 | 1075 |
| 759 | Evolutionary Genetics | 3 | 19 | 665 | 1317 |
| 759 | Molecular Epidemiology | 3 | 19 | 665 | 1317 |
| 759 | Atmospheric Physics | 2 | 19 | 1600 | 2127 |
| 759 | Cellular senescence | 2 | 19 | 381 | 965 |
| 759 | Antiviral agents | 1 | 19 | 424 | 528 |
| 759 | Substance Abuse | 2 | 19 | 1461 | 1896 |
| 759 | Organ transplantation | 2 | 19 | 366 | 457 |
| 759 | health services | 2 | 19 | 1193 | 1632 |
| 759 | India | 1 | 19 | 2509 | 1865 |
| 769 | Plant Morphology | 2 | 18 | 758 | 1079 |
| 769 | Algorithms | 7 | 18 | 426 | 1101 |
| 769 | Electrochemical Analysis | 3 | 18 | 1556 | 2291 |
| 769 | Globalization | 4 | 18 | 461 | 1105 |
| 769 | Great Lakes | 1 | 18 | 369 | 456 |
| 769 | atmosphere | 1 | 18 | 1195 | 1391 |
| 769 | commerce | 1 | 18 | 2386 | 2384 |
| 769 | RNA | 1 | 18 | 754 | 944 |
| 769 | Extreme environments | 1 | 18 | 435 | 628 |
| 778 | Robotics | 2 | 17 | 1888 | 2325 |
| 778 | Immunochemistry | 4 | 17 | 800 | 1467 |
| 778 | Water quality management | 2 | 17 | 2107 | 2707 |
| 778 | Neuroplasticity | 2 | 17 | 319 | 644 |
| 778 | ovary | 1 | 17 | 380 | 529 |
| 778 | Mountains | 1 | 17 | 794 | 741 |
| 778 | Kidney diseases | 3 | 17 | 782 | 1268 |
| 785 | Rheumatology | 1 | 16 | 1308 | 1436 |
| 785 | Plant Genetics | 1 | 16 | 1030 | 1282 |
| 785 | Public Administration | 3 | 16 | 1333 | 1853 |
| 785 | Pediatric Rheumatology | 1 | 16 | 352 | 392 |
| 785 | Multivariate Analysis | 1 | 16 | 880 | 914 |
| 785 | Plant genetic engineering | 1 | 16 | 1254 | 1475 |
| 785 | Histocompatibility Testing | 2 | 16 | 552 | 823 |
| 785 | recreation | 1 | 16 | 1065 | 1056 |
| 785 | Leisure | 1 | 16 | 583 | 767 |
| 785 | Aquaculture | 3 | 16 | 1384 | 2096 |
| 795 | Cognitive Psychology | 2 | 15 | 567 | 719 |
| 795 | Philosophy of Mind | 2 | 15 | 359 | 496 |
| 795 | health services accessibility | 2 | 15 | 1080 | 1613 |
| 795 | Computer-Aided Design | 2 | 15 | 1439 | 1936 |
| 795 | Socioeconomic Factors | 2 | 15 | 949 | 1647 |
| 795 | Child welfare | 1 | 15 | 1734 | 1812 |
| 795 | Radioisotopes | 2 | 15 | 1232 | 1531 |
| 795 | Europa | 4 | 15 | 431 | 931 |
| 795 | Women's health | 1 | 15 | 1934 | 2093 |
| 795 | wetland management | 1 | 15 | 368 | 486 |
| 805 | Tribology | 1 | 14 | 1585 | 1741 |
| 805 | Artificial Organs | 2 | 14 | 640 | 894 |
| 805 | Memory disorders | 1 | 14 | 495 | 574 |
| 805 | Identity | 1 | 14 | 294 | 426 |
| 805 | Mental Health Services | 2 | 14 | 1279 | 1876 |
| 805 | Child Development | 2 | 14 | 1866 | 2632 |
| 805 | Qualitative Research | 1 | 14 | 880 | 1001 |
| 805 | Self | 1 | 14 | 391 | 531 |
| 805 | Mollusks | 1 | 14 | 448 | 411 |
| 805 | Pregnancy | 1 | 14 | 1283 | 1524 |
| 805 | Meteorites | 1 | 14 | 1099 | 1394 |
| 816 | Kinesiology | 2 | 13 | 187 | 463 |
| 816 | Patient education | 1 | 13 | 868 | 1146 |
| 816 | Education policy | 1 | 13 | 171 | 287 |
| 816 | Ion Exchange | 1 | 13 | 216 | 253 |
| 816 | sanitation | 1 | 13 | 1914 | 2505 |
| 816 | solar power | 1 | 13 | 1283 | 1660 |
| 816 | counseling | 1 | 13 | 1867 | 1959 |
| 816 | Solvent extraction | 1 | 13 | 216 | 253 |
| 816 | solar cells | 1 | 13 | 1355 | 1735 |
| 816 | software | 2 | 13 | 1242 | 1952 |
| 816 | antibiotics | 4 | 13 | 151 | 649 |
| 816 | Heterocyclic compounds | 3 | 13 | 1001 | 1529 |
| 828 | Humanities | 10 | 12 | 873 | 2906 |
| 828 | Law | 20 | 12 | 400 | 1390 |
| 828 | Thermodynamics | 1 | 12 | 1879 | 1806 |
| 828 | Historic Preservation | 3 | 12 | 120 | 329 |
| 828 | Industrial Safety | 3 | 12 | 1177 | 2049 |
| 828 | Thermochemistry | 1 | 12 | 768 | 927 |
| 828 | Hallucinogens | 1 | 12 | 332 | 476 |
| 828 | Social behavior | 1 | 12 | 1714 | 1988 |
| 828 | masculinity | 1 | 12 | 209 | 330 |
| 828 | Criminal investigation | 1 | 12 | 346 | 414 |
| 838 | Software Engineering | 1 | 11 | 1457 | 1606 |
| 838 | Game Theory | 1 | 11 | 901 | 959 |
| 838 | Chronobiology | 3 | 11 | 485 | 1040 |
| 838 | Magnetic Resonance Imaging | 2 | 11 | 471 | 751 |
| 838 | Health Policy | 2 | 11 | 2266 | 3224 |
| 838 | Process Control | 1 | 11 | 1477 | 1933 |
| 838 | Orthopedic Surgery | 1 | 11 | 1009 | 1176 |
| 838 | Operator theory | 3 | 11 | 457 | 688 |
| 838 | Periglacial processes | 2 | 11 | 164 | 358 |
| 838 | biological clocks | 3 | 11 | 485 | 1040 |
| 838 | cultural policy | 2 | 11 | 284 | 454 |
| 838 | Electron Microscopy | 1 | 11 | 641 | 748 |
| 838 | Moral Education | 2 | 11 | 180 | 390 |
| 838 | Production Management | 1 | 11 | 1729 | 2172 |
| 838 | orphan drugs | 1 | 11 | 147 | 98 |
| 838 | Magnetic Resonance Spectroscopy | 2 | 11 | 1203 | 1564 |
| 838 | Communism | 2 | 11 | 192 | 315 |
| 838 | visualization | 3 | 11 | 1371 | 1648 |
| 838 | nuclear magnetic resonance spectroscopy | 2 | 11 | 835 | 1124 |
| 838 | Permafrost | 2 | 11 | 164 | 358 |
| 838 | circadian rhythm | 3 | 11 | 485 | 1040 |
| 838 | Frozen ground | 2 | 11 | 166 | 359 |
| 838 | Archives | 1 | 11 | 174 | 127 |
| 838 | periodicity | 3 | 11 | 31 | 81 |
| 838 | NMR | 2 | 11 | 665 | 940 |
| 838 | cycles | 3 | 11 | 151 | 347 |
| 864 | Food Science | 2 | 10 | 289 | 628 |
| 864 | Polymer Engineering | 2 | 10 | 148 | 373 |
| 864 | Fluid Mechanics | 1 | 10 | 2081 | 2288 |
| 864 | Food Preservation | 2 | 10 | 1020 | 1557 |
| 864 | Human Rights | 2 | 10 | 715 | 1115 |
| 864 | Nanophotonics | 1 | 10 | 558 | 777 |
| 864 | Crystallization | 3 | 10 | 497 | 832 |
| 864 | Immunohistochemistry | 3 | 10 | 158 | 371 |
| 864 | Environmental Geochemistry | 1 | 10 | 1117 | 1514 |
| 864 | Fiber Optics | 2 | 10 | 1055 | 1529 |
| 864 | Interferons | 1 | 10 | 478 | 639 |
| 864 | Genetic variation | 1 | 10 | 250 | 419 |
| 864 | Microbial Metabolism | 1 | 10 | 416 | 755 |
| 864 | Constructivism | 2 | 10 | 72 | 160 |
| 864 | Semigroups | 2 | 10 | 406 | 451 |
| 864 | Telecommunication | 3 | 10 | 2428 | 3498 |
| 864 | supercritical fluids | 1 | 10 | 682 | 985 |
| 864 | Continental shelf | 1 | 10 | 585 | 814 |
| 864 | Social work | 3 | 10 | 1307 | 2217 |
| 864 | mental processes | 1 | 10 | 593 | 689 |
| 864 | evaluation | 1 | 10 | 329 | 443 |
| 864 | Cytokine | 1 | 10 | 624 | 907 |
| 864 | Minerals | 1 | 10 | 1410 | 1824 |
| 864 | liver | 1 | 10 | 481 | 652 |
| 888 | Teratology | 1 | 9 | 397 | 573 |
| 888 | Neuroimaging | 1 | 9 | 449 | 584 |
| 888 | Paleobiology | 1 | 9 | 610 | 700 |
| 888 | civil rights | 1 | 9 | 713 | 829 |
| 888 | adolescence | 1 | 9 | 1443 | 1834 |
| 888 | Adolescent Psychology | 1 | 9 | 1252 | 1580 |
| 888 | Consumer Protection | 1 | 9 | 385 | 551 |
| 888 | DNA methylation | 1 | 9 | 469 | 716 |
| 888 | optical instruments | 1 | 9 | 518 | 623 |
| 888 | exobiology | 1 | 9 | 468 | 647 |
| 888 | consumers | 1 | 9 | 739 | 981 |
| 888 | Customer Relations | 1 | 9 | 180 | 263 |
| 888 | optical phenomena | 1 | 9 | 225 | 332 |
| 888 | Host-parasite interactions | 1 | 9 | 1557 | 2118 |
| 888 | abnormalities | 1 | 9 | 265 | 404 |
| 888 | Virulence | 1 | 9 | 1322 | 1853 |
| 888 | color | 3 | 9 | 232 | 628 |
| 905 | Internet of Things | 1 | 8 | 1592 | 2000 |
| 905 | Psychiatric Nursing | 1 | 8 | 1065 | 1349 |
| 905 | Nuclear Fusion | 1 | 8 | 797 | 933 |
| 905 | Radiation Protection | 1 | 8 | 1026 | 1058 |
| 905 | nutrition policy | 1 | 8 | 198 | 329 |
| 905 | radiation monitoring | 1 | 8 | 926 | 987 |
| 905 | Marine Pollution | 1 | 8 | 1805 | 2432 |
| 905 | Environmental risk assessment | 1 | 8 | 775 | 1124 |
| 905 | forestry | 1 | 8 | 394 | 599 |
| 905 | internet | 1 | 8 | 2331 | 2743 |
| 905 | Soviet Union | 2 | 8 | 887 | 1254 |
| 905 | Culture | 6 | 8 | 746 | 1741 |
| 905 | Radiation dosimetry | 1 | 8 | 781 | 827 |
| 905 | fusion reactors | 1 | 8 | 607 | 688 |
| 919 | Gender Studies | 1 | 7 | 912 | 1219 |
| 919 | American Literature | 7 | 7 | 379 | 325 |
| 919 | Pediatric Hematology | 3 | 7 | 348 | 639 |
| 919 | Environmental Law | 2 | 7 | 1234 | 2179 |
| 919 | Engineering Geology | 1 | 7 | 1838 | 2263 |
| 919 | Drug targeting | 1 | 7 | 582 | 951 |
| 919 | Feminism | 1 | 7 | 1007 | 1158 |
| 919 | sexual orientation | 1 | 7 | 298 | 459 |
| 919 | air quality | 1 | 7 | 544 | 900 |
| 919 | Gender identity | 1 | 7 | 579 | 670 |
| 919 | Teaching | 1 | 7 | 2629 | 2993 |
| 919 | reasoning | 1 | 7 | 810 | 968 |
| 919 | stability | 1 | 7 | 213 | 233 |
| 919 | Sun | 1 | 7 | 492 | 629 |
| 919 | tomography | 2 | 7 | 421 | 668 |
| 919 | health planning | 6 | 7 | 1571 | 3728 |
| 919 | tests | 1 | 7 | 371 | 632 |
| 919 | women | 1 | 7 | 1471 | 1632 |
| 919 | gene transfer | 2 | 7 | 307 | 668 |
| 919 | natural disasters | 1 | 7 | 1979 | 2626 |
| 919 | genetic transformation | 2 | 7 | 307 | 668 |
| 940 | Electrical Engineering | 5 | 6 | 2421 | 3887 |
| 940 | Computer Science | 3 | 6 | 2062 | 3426 |
| 940 | Global Health | 1 | 6 | 1709 | 2301 |
| 940 | Urban Economics | 1 | 6 | 591 | 820 |
| 940 | Health Services Research | 1 | 6 | 2203 | 2873 |
| 940 | Language Acquisition | 1 | 6 | 609 | 807 |
| 940 | Labor Economics | 1 | 6 | 837 | 1029 |
| 940 | drug resistance | 1 | 6 | 1181 | 1717 |
| 940 | X-ray spectroscopy | 1 | 6 | 364 | 510 |
| 940 | Bilingualism | 1 | 6 | 311 | 526 |
| 940 | Urbanization | 1 | 6 | 409 | 627 |
| 940 | Autoantibodies | 1 | 6 | 735 | 1083 |
| 940 | Autoimmunity | 1 | 6 | 899 | 1302 |
| 940 | Biometrics | 1 | 6 | 1385 | 1694 |
| 940 | Food preferences | 2 | 6 | 477 | 1021 |
| 940 | Estuaries | 1 | 6 | 242 | 425 |
| 940 | immunoassay | 3 | 6 | 182 | 659 |
| 940 | Autoimmune diseases | 1 | 6 | 811 | 1205 |
| 940 | European Union | 2 | 6 | 210 | 442 |
| 959 | Physical Therapy | 1 | 5 | 1710 | 2146 |
| 959 | Proteomics | 1 | 5 | 1419 | 1965 |
| 959 | Phenomenology | 1 | 5 | 483 | 476 |
| 959 | Radiation Oncology | 1 | 5 | 533 | 769 |
| 959 | Sustainable Engineering | 1 | 5 | 2269 | 2987 |
| 959 | Developmental Psychology | 1 | 5 | 1515 | 2011 |
| 959 | International Law | 2 | 5 | 486 | 491 |
| 959 | Number Theory | 2 | 5 | 996 | 1365 |
| 959 | History of Medicine | 1 | 5 | 762 | 671 |
| 959 | Nuclear Chemistry | 1 | 5 | 1596 | 1931 |
| 959 | Radiochemistry | 1 | 5 | 1523 | 1810 |
| 959 | Animal breeding | 2 | 5 | 868 | 1525 |
| 959 | Lymphoma | 1 | 5 | 513 | 678 |
| 959 | Multiple Myeloma | 1 | 5 | 506 | 671 |
| 959 | Evidence-Based Medicine | 1 | 5 | 1208 | 1667 |
| 959 | Cardiovascular diseases | 2 | 5 | 1500 | 2298 |
| 959 | X-rays | 1 | 5 | 858 | 1050 |
| 959 | particles | 1 | 5 | 1644 | 2200 |
| 959 | water reuse | 1 | 5 | 678 | 1187 |
| 959 | Germany | 2 | 5 | 803 | 1200 |
| 959 | sports injuries | 1 | 5 | 917 | 1275 |
| 980 | Literature | 11 | 4 | 368 | 741 |
| 980 | Nephrology | 1 | 4 | 663 | 943 |
| 980 | Health Services Administration | 2 | 4 | 1198 | 2333 |
| 980 | Biopharmaceutics | 1 | 4 | 1467 | 2058 |
| 980 | Nonparametric Statistics | 1 | 4 | 375 | 512 |
| 980 | Environmental Archaeology | 1 | 4 | 164 | 303 |
| 980 | Coastal zone management | 1 | 4 | 1112 | 1708 |
| 980 | Bioethics | 2 | 4 | 1080 | 1819 |
| 980 | Medical Ethics | 1 | 4 | 1626 | 2098 |
| 980 | Biotransformation | 1 | 4 | 276 | 551 |
| 980 | Well-being | 1 | 4 | 327 | 609 |
| 980 | Accreditation | 1 | 4 | 145 | 267 |
| 980 | Urban Anthropology | 1 | 4 | 382 | 618 |
| 980 | Asymmetric synthesis | 2 | 4 | 135 | 511 |
| 980 | industrial relations | 1 | 4 | 1317 | 1761 |
| 980 | thinking | 1 | 4 | 655 | 1049 |
| 980 | Eurasia | 1 | 4 | 395 | 635 |
| 980 | electrocatalysis | 1 | 4 | 246 | 503 |
| 980 | Creative thinking | 2 | 4 | 3 | 21 |
| 980 | national security | 2 | 4 | 478 | 766 |
| 980 | Decision making | 1 | 4 | 2207 | 2986 |