| 1 | Biochemistry | 1,004 | 31.5K | 393 | 449 |
| 2 | Physics | 739 | 17.7K | 514 | 883 |
| 3 | Chemistry | 460 | 16.5K | 788 | 852 |
| 4 | Science | 303 | 14.7K | 765 | 864 |
| 5 | Microbiology | 337 | 11.9K | 439 | 544 |
| 6 | Biology | 275 | 11.7K | 751 | 942 |
| 7 | Molecular Biology | 310 | 11.0K | 679 | 762 |
| 8 | Medicine | 293 | 10.6K | 821 | 820 |
| 9 | Biotechnology | 355 | 10.4K | 255 | 478 |
| 10 | Neurology | 271 | 10.2K | 491 | 548 |
| 11 | Electrochemistry | 430 | 9.9K | 156 | 186 |
| 12 | Research | 300 | 9.2K | 667 | 676 |
| 13 | Biophysics | 272 | 7.8K | 508 | 556 |
| 14 | Human genetics | 51 | 7.8K | 393 | 426 |
| 15 | Polymers | 261 | 7.8K | 387 | 384 |
| 16 | Bioengineering | 271 | 7.3K | 179 | 401 |
| 17 | Agricultural Chemistry | 305 | 6.6K | 33 | 95 |
| 18 | polymerization | 230 | 6.5K | 335 | 348 |
| 19 | Cardiovascular diseases | 139 | 5.3K | 68 | 53 |
| 20 | Cytology | 152 | 5.1K | 488 | 672 |
| 21 | Botany | 74 | 5.1K | 761 | 540 |
| 22 | Catalysis | 129 | 5.0K | 553 | 592 |
| 23 | Electronics | 340 | 4.9K | 127 | 266 |
| 24 | Physiology | 144 | 4.8K | 491 | 500 |
| 25 | Chemical Engineering | 212 | 4.5K | 447 | 728 |
| 26 | Technology | 308 | 4.4K | 119 | 309 |
| 27 | Soil Mechanics | 67 | 4.4K | 136 | 75 |
| 28 | Membranes | 98 | 4.3K | 180 | 193 |
| 29 | Japan | 424 | 4.2K | 31 | 44 |
| 30 | Brain | 142 | 4.1K | 295 | 387 |
| 31 | Natural history | 26 | 4.1K | 958 | 1012 |
| 32 | Cell Biology | 115 | 3.9K | 524 | 757 |
| 33 | Cancer | 82 | 3.9K | 491 | 489 |
| 34 | Virology | 99 | 3.5K | 381 | 574 |
| 35 | Materials | 141 | 3.5K | 968 | 1084 |
| 36 | Surface Chemistry | 146 | 3.4K | 424 | 586 |
| 37 | Psychiatry | 47 | 3.3K | 923 | 642 |
| 38 | Pharmacology | 179 | 3.2K | 583 | 820 |
| 39 | Immunology | 98 | 3.1K | 461 | 576 |
| 40 | Reproduction | 128 | 3.1K | 183 | 250 |
| 41 | Pathology | 50 | 3.0K | 428 | 337 |
| 42 | Geology | 120 | 2.9K | 417 | 488 |
| 43 | Neurophysiology | 66 | 2.8K | 545 | 558 |
| 44 | Biomedical Engineering | 111 | 2.7K | 661 | 795 |
| 45 | Liver diseases | 30 | 2.7K | 368 | 309 |
| 46 | Solid State Physics | 147 | 2.7K | 604 | 715 |
| 47 | Plant physiology | 44 | 2.6K | 447 | 391 |
| 48 | Medical Laboratory Science | 55 | 2.5K | 280 | 294 |
| 49 | Environment | 54 | 2.4K | 1041 | 1227 |
| 50 | Astronomy | 84 | 2.4K | 609 | 696 |
| 51 | Industrial Microbiology | 60 | 2.4K | 177 | 222 |
| 52 | Nuclear Physics | 113 | 2.4K | 907 | 960 |
| 53 | Materials Science | 76 | 2.4K | 883 | 936 |
| 54 | Medical genetics | 46 | 2.4K | 549 | 565 |
| 55 | Geochemistry | 50 | 2.3K | 466 | 419 |
| 56 | Statistical physics | 102 | 2.3K | 633 | 670 |
| 57 | Orthopedics | 74 | 2.2K | 171 | 160 |
| 58 | Neurochemistry | 53 | 2.2K | 499 | 460 |
| 59 | Colloids | 91 | 2.2K | 640 | 855 |
| 60 | Astrophysics | 59 | 2.2K | 860 | 879 |
| 61 | Spectrum analysis | 70 | 2.1K | 909 | 924 |
| 62 | Geophysics | 39 | 2.1K | 962 | 700 |
| 63 | Condensed Matter | 79 | 2.1K | 740 | 752 |
| 64 | Cardiovascular system | 41 | 2.1K | 323 | 379 |
| 65 | Biochemical Engineering | 32 | 2.1K | 986 | 909 |
| 66 | Analytical Chemistry | 115 | 2.0K | 656 | 966 |
| 67 | Endocrinology | 52 | 2.0K | 597 | 654 |
| 68 | Diabetes | 50 | 2.0K | 366 | 417 |
| 69 | Pediatrics | 51 | 1.9K | 404 | 430 |
| 70 | Mental illness | 19 | 1.8K | 625 | 431 |
| 71 | Ecology | 58 | 1.8K | 1380 | 1657 |
| 72 | Developmental Biology | 56 | 1.8K | 352 | 467 |
| 73 | Clinical Chemistry | 75 | 1.8K | 395 | 529 |
| 74 | Diabetes mellitus | 45 | 1.8K | 360 | 432 |
| 75 | Organic Chemistry | 94 | 1.8K | 468 | 661 |
| 76 | cell physiology | 32 | 1.8K | 351 | 335 |
| 77 | Mineralogy | 97 | 1.7K | 135 | 277 |
| 78 | Nanostructured Materials | 32 | 1.7K | 1009 | 780 |
| 79 | fertility | 19 | 1.6K | 301 | 203 |
| 80 | Biocompatible Materials | 33 | 1.6K | 1143 | 1109 |
| 81 | Parasitology | 84 | 1.6K | 208 | 318 |
| 82 | Infertility | 15 | 1.5K | 327 | 203 |
| 83 | Mathematics | 168 | 1.5K | 924 | 1093 |
| 84 | Water | 29 | 1.5K | 706 | 699 |
| 85 | Genomics | 35 | 1.5K | 753 | 634 |
| 86 | Plant genetic engineering | 28 | 1.5K | 163 | 151 |
| 87 | plant molecular biology | 24 | 1.5K | 441 | 481 |
| 88 | Ophthalmology | 50 | 1.4K | 361 | 377 |
| 89 | Electrochemical Analysis | 59 | 1.4K | 178 | 215 |
| 90 | Genetic engineering | 32 | 1.4K | 468 | 457 |
| 91 | Breeding | 67 | 1.4K | 109 | 181 |
| 92 | Genetics | 39 | 1.4K | 847 | 972 |
| 93 | Pediatric Neurology | 50 | 1.4K | 138 | 314 |
| 94 | Petrology | 70 | 1.4K | 148 | 278 |
| 95 | Microbial Ecology | 25 | 1.4K | 665 | 656 |
| 96 | Critical Care Medicine | 16 | 1.4K | 501 | 443 |
| 97 | Critical Care | 15 | 1.4K | 526 | 442 |
| 98 | viruses | 23 | 1.4K | 401 | 382 |
| 99 | Histology | 54 | 1.3K | 293 | 388 |
| 100 | Plant diseases | 41 | 1.3K | 385 | 342 |
| 101 | Environmental Health | 74 | 1.3K | 904 | 1418 |
| 102 | Hematology | 53 | 1.3K | 528 | 578 |
| 103 | Water pollution | 44 | 1.3K | 610 | 758 |
| 104 | Mathematical Physics | 60 | 1.3K | 642 | 591 |
| 105 | Composite Materials | 34 | 1.3K | 766 | 811 |
| 106 | Nanotechnology | 35 | 1.3K | 1525 | 1497 |
| 107 | Medical Microbiology | 43 | 1.3K | 448 | 627 |
| 108 | Plant Genetics | 18 | 1.2K | 192 | 172 |
| 109 | Mental Disorders | 12 | 1.2K | 1206 | 714 |
| 110 | Microwaves | 19 | 1.2K | 525 | 214 |
| 111 | Animal breeding | 60 | 1.2K | 89 | 114 |
| 112 | Psychophysiology | 42 | 1.2K | 715 | 820 |
| 113 | Toxicology | 74 | 1.1K | 791 | 1291 |
| 113 | Earth Sciences | 29 | 1.1K | 1023 | 791 |
| 115 | Neuropsychology | 36 | 1.1K | 586 | 578 |
| 116 | Metabolism | 31 | 1.1K | 699 | 766 |
| 117 | Electrophoresis | 51 | 1.1K | 186 | 269 |
| 118 | Hypertension | 13 | 1.1K | 619 | 538 |
| 118 | Chemical industry | 110 | 1.1K | 67 | 133 |
| 120 | Stem cells | 12 | 1.0K | 608 | 385 |
| 121 | Cell differentiation | 15 | 1.0K | 605 | 564 |
| 122 | Plants | 10 | 1.0K | 1057 | 639 |
| 123 | Diagnostic microbiology | 19 | 995 | 340 | 423 |
| 124 | Building Materials | 27 | 984 | 534 | 642 |
| 125 | Child | 47 | 945 | 433 | 526 |
| 126 | Oncogenes | 15 | 932 | 416 | 450 |
| 127 | Nanostructures | 10 | 929 | 1057 | 574 |
| 128 | Molecular Genetics | 39 | 928 | 392 | 593 |
| 129 | Geodynamics | 25 | 923 | 267 | 278 |
| 130 | Neurosurgery | 22 | 909 | 260 | 244 |
| 131 | Quantum Gravity | 43 | 904 | 730 | 785 |
| 132 | Immunotherapy | 31 | 878 | 407 | 572 |
| 133 | Zoology | 57 | 870 | 448 | 598 |
| 134 | Cytogenetics | 21 | 867 | 387 | 456 |
| 135 | Nutrition | 28 | 856 | 1246 | 1284 |
| 136 | Urology | 38 | 846 | 357 | 422 |
| 137 | Physical Chemistry | 26 | 839 | 704 | 699 |
| 138 | Therapeutics | 36 | 836 | 362 | 485 |
| 139 | Embryology | 37 | 831 | 366 | 537 |
| 140 | drug therapy | 38 | 830 | 499 | 583 |
| 141 | Child Development | 42 | 825 | 403 | 604 |
| 142 | Metabolic diseases | 21 | 811 | 699 | 803 |
| 143 | Asia | 28 | 809 | 662 | 409 |
| 144 | Image Processing | 20 | 794 | 833 | 704 |
| 145 | environmental pollution | 34 | 777 | 1271 | 1733 |
| 146 | Insects | 22 | 776 | 392 | 300 |
| 147 | Renewable Energy Sources | 2 | 774 | 2806 | 1314 |
| 148 | Spine | 36 | 767 | 105 | 207 |
| 149 | Manufacturing Processes | 5 | 741 | 1725 | 712 |
| 150 | Surgery | 11 | 727 | 682 | 618 |
| 150 | mass transfer | 24 | 727 | 578 | 584 |
| 152 | cloning | 8 | 723 | 309 | 251 |
| 153 | Ceramics | 27 | 719 | 347 | 329 |
| 154 | Radiography | 3 | 717 | 658 | 312 |
| 155 | Genetic regulation | 8 | 716 | 562 | 399 |
| 155 | Zeolites | 34 | 716 | 116 | 251 |
| 157 | Nervous system | 21 | 708 | 819 | 860 |
| 158 | Fertilizers | 56 | 698 | 24 | 55 |
| 159 | Neurobiology | 12 | 694 | 785 | 716 |
| 160 | Genes | 30 | 683 | 182 | 222 |
| 161 | Insect biochemistry | 12 | 681 | 155 | 113 |
| 162 | Parasitic Diseases | 34 | 680 | 380 | 566 |
| 163 | concrete | 39 | 678 | 149 | 410 |
| 164 | tomography | 23 | 673 | 57 | 44 |
| 165 | Molecular cloning | 25 | 670 | 327 | 368 |
| 165 | infection | 28 | 670 | 396 | 538 |
| 167 | Freeze-Drying | 23 | 668 | 29 | 38 |
| 167 | Hypothermia | 23 | 668 | 29 | 38 |
| 167 | Freeze Drying | 23 | 668 | 29 | 38 |
| 170 | Optics | 55 | 664 | 1075 | 1251 |
| 170 | Immunity | 17 | 664 | 617 | 844 |
| 172 | Solid State Chemistry | 35 | 661 | 738 | 774 |
| 172 | Diagnostic Imaging | 25 | 661 | 505 | 540 |
| 174 | Genetic recombination | 24 | 656 | 330 | 367 |
| 174 | Recombinant DNA | 24 | 656 | 363 | 402 |
| 176 | Chemotherapy | 27 | 653 | 324 | 369 |
| 177 | Earthquake Engineering | 19 | 647 | 523 | 480 |
| 178 | Veterinary Pathology | 39 | 644 | 24 | 32 |
| 179 | Immunopathology | 12 | 634 | 521 | 422 |
| 180 | Psychopharmacology | 15 | 633 | 575 | 566 |
| 181 | Growth | 23 | 618 | 344 | 546 |
| 182 | Biomass Energy | 10 | 613 | 1317 | 1110 |
| 183 | Glass | 17 | 610 | 351 | 323 |
| 183 | pottery | 17 | 610 | 342 | 317 |
| 185 | Disease | 2 | 608 | 374 | 363 |
| 186 | Photochemistry | 22 | 607 | 482 | 522 |
| 187 | Bioorganic chemistry | 16 | 604 | 1225 | 1076 |
| 188 | Parasites | 29 | 595 | 335 | 412 |
| 189 | diseases | 1 | 588 | 535 | 368 |
| 190 | Engineering Geology | 24 | 580 | 410 | 499 |
| 191 | Energy Conversion | 6 | 575 | 845 | 671 |
| 192 | Rock Mechanics | 11 | 568 | 432 | 340 |
| 193 | Water quality management | 30 | 561 | 374 | 466 |
| 194 | food technology | 18 | 553 | 992 | 1022 |
| 194 | Neurons | 3 | 553 | 502 | 512 |
| 194 | Pollution | 23 | 553 | 2016 | 2479 |
| 197 | Cement | 29 | 544 | 102 | 320 |
| 198 | Yeast | 13 | 541 | 114 | 127 |
| 199 | Bacteriology | 18 | 540 | 657 | 829 |
| 200 | Leukemia | 6 | 528 | 556 | 434 |
| 201 | Medical Physics | 41 | 520 | 370 | 610 |
| 201 | Immunochemistry | 16 | 520 | 273 | 244 |
| 201 | Photobiology | 18 | 520 | 358 | 391 |
| 204 | Green Chemistry | 12 | 511 | 851 | 887 |
| 205 | Cerebrospinal fluid | 5 | 509 | 63 | 23 |
| 206 | Combustion | 21 | 507 | 394 | 446 |
| 207 | Environmental Chemistry | 4 | 499 | 1758 | 987 |
| 208 | free radicals | 14 | 498 | 556 | 697 |
| 209 | Neural circuitry | 6 | 496 | 1482 | 811 |
| 210 | Electrical Engineering | 125 | 495 | 345 | 860 |
| 211 | Molecular structure | 9 | 494 | 1430 | 823 |
| 212 | Geomagnetism | 5 | 488 | 435 | 225 |
| 213 | Nephrology | 1 | 486 | 662 | 221 |
| 213 | Kidney diseases | 1 | 486 | 1140 | 287 |
| 215 | mathematical analysis | 47 | 485 | 653 | 757 |
| 216 | ovary | 11 | 480 | 40 | 19 |
| 217 | Telecommunication | 127 | 474 | 229 | 1003 |
| 218 | Anatomy | 11 | 470 | 965 | 739 |
| 219 | Artificial Intelligence | 40 | 468 | 992 | 1600 |
| 220 | Respiration | 19 | 464 | 497 | 604 |
| 221 | proteins | 12 | 458 | 929 | 745 |
| 222 | Soil dynamics | 10 | 457 | 223 | 159 |
| 223 | Agricultural Engineering | 4 | 453 | 355 | 115 |
| 224 | Amyloidosis | 24 | 449 | 13 | 32 |
| 225 | Flow cytometry | 6 | 447 | 191 | 90 |
| 226 | Mining Engineering | 24 | 444 | 99 | 181 |
| 227 | Entomology | 29 | 443 | 633 | 690 |
| 228 | freshwater biology | 8 | 441 | 483 | 312 |
| 229 | Waste management | 27 | 431 | 273 | 375 |
| 230 | Histochemistry | 25 | 426 | 233 | 341 |
| 230 | Protozoa | 18 | 426 | 72 | 134 |
| 232 | nucleic acids | 13 | 419 | 721 | 867 |
| 233 | Nonlinear Dynamics | 26 | 418 | 718 | 874 |
| 233 | Host-parasite interactions | 12 | 418 | 496 | 694 |
| 235 | Plant cells | 8 | 407 | 628 | 804 |
| 236 | Robotics | 39 | 398 | 346 | 712 |
| 237 | glycoproteins | 2 | 395 | 511 | 184 |
| 237 | Glycoconjugates | 2 | 395 | 511 | 184 |
| 237 | Oligosaccharide | 2 | 395 | 340 | 131 |
| 237 | Carbohydrates | 2 | 395 | 511 | 163 |
| 237 | glycolipids | 2 | 395 | 511 | 184 |
| 242 | Sustainable Engineering | 11 | 385 | 780 | 814 |
| 243 | Oncology | 8 | 383 | 1072 | 1238 |
| 243 | Animal Behavior | 20 | 383 | 678 | 989 |
| 245 | Reproductive toxicology | 6 | 378 | 210 | 136 |
| 246 | Water Purification | 25 | 374 | 227 | 342 |
| 247 | Comparative Physiology | 16 | 371 | 278 | 362 |
| 248 | Bioinorganic chemistry | 7 | 367 | 926 | 628 |
| 249 | Retina | 3 | 364 | 150 | 199 |
| 249 | eye | 3 | 364 | 185 | 200 |
| 251 | Computer Science | 76 | 362 | 113 | 601 |
| 252 | Pharmaceutical Chemistry | 16 | 360 | 1534 | 1688 |
| 252 | soil microbiology | 5 | 360 | 1034 | 942 |
| 252 | Food | 11 | 360 | 1605 | 1616 |
| 255 | biological evolution | 9 | 357 | 1065 | 1138 |
| 256 | Chromosome mapping | 14 | 356 | 670 | 859 |
| 256 | gene mapping | 14 | 356 | 735 | 966 |
| 258 | Hydrology | 11 | 354 | 1182 | 1067 |
| 259 | Engineering | 32 | 353 | 1270 | 1708 |
| 260 | Surface-Active Agents | 14 | 352 | 348 | 547 |
| 260 | Surface properties | 14 | 352 | 386 | 606 |
| 262 | Plant Ecology | 4 | 351 | 1410 | 964 |
| 263 | Plate Tectonics | 17 | 348 | 48 | 69 |
| 264 | carcinogens | 8 | 347 | 465 | 473 |
| 265 | Public Health | 11 | 346 | 2405 | 2145 |
| 265 | actuators | 10 | 346 | 1217 | 1202 |
| 265 | transducers | 10 | 346 | 1217 | 1202 |
| 268 | Molecular evolution | 9 | 336 | 745 | 793 |
| 269 | China | 17 | 334 | 1077 | 1142 |
| 270 | Multimedia Systems | 9 | 333 | 1024 | 650 |
| 270 | biocatalysis | 1 | 333 | 300 | 234 |
| 270 | Homogeneous catalysis | 1 | 333 | 300 | 234 |
| 270 | Heterogeneous catalysis | 1 | 333 | 300 | 234 |
| 274 | Immune system | 9 | 330 | 472 | 634 |
| 275 | Automation | 10 | 329 | 1244 | 1200 |
| 276 | Allergy | 10 | 326 | 512 | 703 |
| 277 | Computer Vision | 6 | 325 | 784 | 628 |
| 278 | disease vectors | 12 | 322 | 368 | 385 |
| 279 | Digestive system diseases | 14 | 321 | 374 | 415 |
| 280 | Psychology | 19 | 319 | 1905 | 2033 |
| 280 | enzymes | 13 | 319 | 646 | 745 |
| 282 | Marine Biology | 16 | 316 | 1091 | 1290 |
| 283 | Biomechanics | 17 | 314 | 438 | 621 |
| 283 | Optical materials | 14 | 314 | 1250 | 1506 |
| 283 | Transplantation | 11 | 314 | 446 | 542 |
| 286 | Radiation | 26 | 313 | 606 | 825 |
| 286 | Antioxidants | 8 | 313 | 388 | 511 |
| 286 | vitamin C | 8 | 313 | 154 | 189 |
| 286 | Perception | 28 | 313 | 493 | 806 |
| 286 | vitamin E | 8 | 313 | 154 | 189 |
| 291 | Veterinary Immunology | 16 | 312 | 98 | 131 |
| 292 | Pharmacy | 27 | 308 | 586 | 1013 |
| 293 | Medical Oncology | 10 | 307 | 749 | 827 |
| 293 | Signal Transduction | 19 | 307 | 476 | 852 |
| 293 | Aging | 7 | 307 | 1539 | 1161 |
| 296 | Superconductors | 36 | 302 | 198 | 296 |
| 297 | Memory | 17 | 297 | 631 | 856 |
| 298 | Systems Biology | 14 | 296 | 584 | 686 |
| 299 | Educational Psychology | 19 | 293 | 542 | 742 |
| 300 | Thrombosis | 10 | 289 | 493 | 508 |
| 301 | Information Science | 38 | 288 | 505 | 1437 |
| 302 | Minerals | 14 | 286 | 199 | 269 |
| 303 | Sociology | 8 | 283 | 1796 | 1356 |
| 304 | Antigens | 9 | 281 | 373 | 348 |
| 305 | Marine Geology | 3 | 277 | 579 | 265 |
| 306 | Petroleum Geology | 2 | 273 | 581 | 260 |
| 306 | Visual Perception | 19 | 273 | 529 | 746 |
| 308 | Cell division | 16 | 272 | 56 | 192 |
| 309 | Environmental Management | 8 | 271 | 1756 | 2035 |
| 310 | Gene expression | 15 | 270 | 54 | 126 |
| 310 | Inflammation | 7 | 270 | 639 | 706 |
| 310 | radioactive waste | 2 | 270 | 995 | 662 |
| 310 | industrial waste | 2 | 270 | 1041 | 664 |
| 310 | Hazardous waste | 2 | 270 | 1160 | 715 |
| 315 | Metallurgy | 26 | 267 | 692 | 1067 |
| 316 | Plant Biotechnology | 15 | 266 | 216 | 373 |
| 317 | Obesity | 9 | 265 | 950 | 1062 |
| 318 | Attention | 18 | 264 | 567 | 796 |
| 319 | Cybernetics | 22 | 263 | 475 | 911 |
| 319 | software | 5 | 263 | 778 | 628 |
| 321 | Bioenergetics | 7 | 262 | 492 | 496 |
| 321 | Energy metabolism | 7 | 262 | 369 | 401 |
| 321 | Molecules | 17 | 262 | 631 | 690 |
| 321 | cell membrane | 7 | 262 | 348 | 383 |
| 321 | Evolution | 9 | 262 | 968 | 1053 |
| 326 | Industrial Engineering | 11 | 259 | 879 | 968 |
| 327 | primary prevention | 12 | 257 | 130 | 163 |
| 328 | Cosmochemistry | 4 | 254 | 732 | 517 |
| 329 | Geography | 13 | 252 | 914 | 1093 |
| 330 | Astrocytes | 3 | 250 | 405 | 362 |
| 331 | Geriatrics | 12 | 248 | 1265 | 1288 |
| 332 | Analytical Biochemistry | 11 | 247 | 823 | 882 |
| 333 | Luminescence | 29 | 246 | 237 | 561 |
| 334 | Audiology | 8 | 244 | 434 | 389 |
| 335 | Andrology | 10 | 243 | 251 | 264 |
| 335 | Molecular Microbiology | 1 | 243 | 1117 | 661 |
| 335 | coal | 5 | 243 | 1226 | 1128 |
| 338 | Phylogeny | 4 | 242 | 735 | 606 |
| 339 | Algebra | 50 | 238 | 261 | 469 |
| 340 | United Kingdom | 5 | 237 | 1010 | 857 |
| 341 | Crystallography | 22 | 235 | 574 | 531 |
| 342 | Hormones | 9 | 234 | 656 | 739 |
| 343 | Serology | 6 | 232 | 266 | 204 |
| 344 | Environmental Engineering | 19 | 231 | 1428 | 2207 |
| 345 | Radio | 9 | 230 | 769 | 856 |
| 346 | Hemostasis | 8 | 228 | 382 | 338 |
| 346 | Cerebral cortex | 4 | 228 | 699 | 613 |
| 346 | Catalysts | 9 | 228 | 327 | 318 |
| 349 | Porous materials | 4 | 227 | 659 | 243 |
| 350 | Magnetic Materials | 38 | 226 | 294 | 900 |
| 351 | Radiation effects | 2 | 225 | 803 | 397 |
| 352 | Mechanical Engineering | 27 | 223 | 768 | 1083 |
| 353 | biofuels | 2 | 222 | 316 | 256 |
| 354 | Liquid Crystals | 37 | 221 | 164 | 255 |
| 355 | Engineering Mathematics | 11 | 214 | 931 | 843 |
| 355 | Signal Processing | 6 | 214 | 1748 | 1561 |
| 355 | solar cells | 4 | 214 | 737 | 652 |
| 358 | Dynamics | 14 | 213 | 699 | 715 |
| 359 | Marine Pollution | 7 | 209 | 759 | 866 |
| 359 | Tropical Medicine | 18 | 209 | 576 | 837 |
| 359 | genome | 6 | 209 | 878 | 1051 |
| 362 | Crop Science | 12 | 207 | 43 | 44 |
| 363 | Solar Energy | 4 | 206 | 1495 | 1299 |
| 364 | Functional Analysis | 23 | 205 | 434 | 691 |
| 365 | natural gas | 3 | 204 | 334 | 196 |
| 366 | Fermentation | 11 | 203 | 70 | 84 |
| 366 | Metals | 5 | 203 | 1533 | 1200 |
| 368 | Antibodies | 4 | 200 | 442 | 331 |
| 369 | Radiology | 29 | 199 | 298 | 610 |
| 369 | solar power | 3 | 199 | 820 | 644 |
| 371 | Medical Technology | 8 | 198 | 846 | 896 |
| 371 | Ferroelectricity | 33 | 198 | 209 | 403 |
| 371 | Behavior | 12 | 198 | 1471 | 2148 |
| 374 | Obstetrics | 13 | 197 | 959 | 1167 |
| 374 | DNS | 9 | 197 | 177 | 260 |
| 374 | Planets | 16 | 197 | 628 | 1061 |
| 377 | Europe | 11 | 196 | 1442 | 1462 |
| 378 | embryonic development | 13 | 195 | 117 | 236 |
| 379 | Computational Biology | 12 | 194 | 1121 | 1452 |
| 379 | human behavior | 9 | 194 | 1314 | 1931 |
| 379 | Quality of life | 2 | 194 | 1614 | 958 |
| 382 | Environmental Microbiology | 6 | 193 | 876 | 1086 |
| 382 | Quality Control | 8 | 193 | 914 | 1034 |
| 382 | Radio waves | 6 | 193 | 589 | 589 |
| 385 | Neuropsychiatry | 1 | 191 | 1061 | 496 |
| 385 | Proteome | 7 | 191 | 652 | 773 |
| 387 | Rheumatology | 15 | 190 | 415 | 685 |
| 387 | mammals | 20 | 190 | 271 | 497 |
| 389 | Cytoskeleton | 4 | 189 | 215 | 174 |
| 390 | Clinical Immunology | 8 | 186 | 562 | 672 |
| 390 | Developmental Immunology | 13 | 186 | 160 | 435 |
| 392 | Clinical Pharmacology | 10 | 185 | 630 | 749 |
| 392 | mutagens | 4 | 185 | 564 | 586 |
| 394 | water supply | 5 | 183 | 615 | 636 |
| 394 | Quantum theory | 11 | 183 | 492 | 551 |
| 396 | Social Sciences | 5 | 182 | 2677 | 1679 |
| 397 | Carcinogenesis | 3 | 181 | 831 | 657 |
| 398 | environmental protection | 16 | 178 | 1511 | 2457 |
| 399 | Tunneling | 3 | 176 | 326 | 291 |
| 399 | underground construction | 3 | 176 | 326 | 291 |
| 401 | Environmental monitoring | 6 | 175 | 2585 | 2793 |
| 402 | Soft Condensed Matter | 8 | 173 | 611 | 702 |
| 403 | Neuropharmacology | 7 | 171 | 319 | 381 |
| 404 | Power Electronics | 5 | 170 | 806 | 807 |
| 405 | Numerical Analysis | 12 | 169 | 1271 | 1279 |
| 406 | cell movement | 4 | 168 | 176 | 199 |
| 407 | Ethnology | 11 | 167 | 677 | 657 |
| 407 | Genetic therapy | 6 | 167 | 618 | 722 |
| 409 | Nuclear Medicine | 8 | 165 | 500 | 528 |
| 409 | Molecular Imaging | 8 | 165 | 310 | 424 |
| 411 | Meteorology | 6 | 164 | 1403 | 1572 |
| 412 | Radiobiology | 11 | 160 | 572 | 773 |
| 413 | Energy Storage | 6 | 159 | 845 | 895 |
| 413 | Immunogenetics | 6 | 159 | 394 | 396 |
| 415 | Information Technology | 27 | 158 | 579 | 1613 |
| 415 | Nonlinear functional analysis | 17 | 158 | 401 | 699 |
| 415 | Organometallic chemistry | 4 | 158 | 1896 | 1270 |
| 418 | arthritis | 6 | 157 | 653 | 826 |
| 418 | Chromatographic analysis | 6 | 157 | 1262 | 1062 |
| 420 | Electromagnetism | 18 | 156 | 329 | 599 |
| 420 | fuel cells | 5 | 156 | 936 | 1040 |
| 420 | Microorganisms | 7 | 156 | 587 | 887 |
| 423 | Rheology | 19 | 154 | 145 | 352 |
| 423 | gene therapy | 4 | 154 | 724 | 741 |
| 423 | Algae | 6 | 154 | 503 | 546 |
| 423 | biopolymers | 7 | 154 | 727 | 819 |
| 423 | Meteorites | 1 | 154 | 1071 | 768 |
| 428 | Geometry | 19 | 153 | 431 | 462 |
| 428 | Respiratory Infections | 11 | 153 | 99 | 176 |
| 430 | multimedia | 2 | 151 | 606 | 423 |
| 430 | Interactive multimedia | 2 | 151 | 701 | 444 |
| 432 | Epidemiology | 4 | 149 | 2480 | 2084 |
| 433 | Emerging infectious diseases | 1 | 148 | 532 | 209 |
| 433 | Crystallization | 9 | 148 | 226 | 195 |
| 433 | drug development | 4 | 148 | 667 | 866 |
| 436 | Medical innovations | 3 | 147 | 799 | 971 |
| 436 | Vision | 5 | 147 | 494 | 512 |
| 438 | Fluid Dynamics | 14 | 146 | 449 | 749 |
| 438 | Electron Microscopy | 17 | 146 | 88 | 216 |
| 440 | Structural Engineering | 14 | 144 | 738 | 1076 |
| 440 | Ceramic materials | 9 | 144 | 740 | 919 |
| 442 | particles | 13 | 143 | 328 | 661 |
| 442 | Granular materials | 11 | 143 | 181 | 425 |
| 444 | Food Microbiology | 7 | 142 | 694 | 1121 |
| 445 | Molecular Pharmacology | 3 | 141 | 754 | 724 |
| 446 | Chemical analysis | 13 | 139 | 434 | 850 |
| 446 | Enzyme | 6 | 139 | 309 | 515 |
| 448 | Cognitive Science | 18 | 137 | 500 | 1259 |
| 448 | Chromatography | 4 | 137 | 1324 | 1053 |
| 450 | Nuclear Fusion | 8 | 135 | 319 | 331 |
| 451 | Information Theory | 11 | 134 | 696 | 943 |
| 451 | histological techniques | 8 | 134 | 363 | 608 |
| 453 | Orthopedic Surgery | 7 | 133 | 419 | 462 |
| 454 | Drying | 9 | 132 | 158 | 270 |
| 455 | pain | 6 | 131 | 794 | 958 |
| 456 | Geotechnical Engineering | 6 | 130 | 295 | 340 |
| 456 | chromatin | 2 | 130 | 156 | 129 |
| 458 | Social Psychology | 3 | 129 | 2081 | 1664 |
| 458 | Steroids | 2 | 129 | 994 | 680 |
| 460 | Organometallic compounds | 4 | 127 | 1171 | 959 |
| 461 | Horticulture | 16 | 126 | 228 | 463 |
| 461 | Pediatric Rheumatology | 4 | 126 | 161 | 117 |
| 463 | Smart Materials | 8 | 125 | 521 | 666 |
| 463 | Water Microbiology | 3 | 125 | 430 | 331 |
| 465 | Reproductive health | 1 | 124 | 1174 | 537 |
| 465 | personality | 1 | 124 | 2051 | 1324 |
| 465 | atmosphere | 4 | 124 | 615 | 644 |
| 468 | Nanochemistry | 4 | 122 | 1092 | 929 |
| 468 | Paleoecology | 2 | 122 | 1128 | 857 |
| 468 | Transgenic plants | 4 | 122 | 318 | 394 |
| 471 | Environmental Policy | 3 | 121 | 2922 | 2825 |
| 471 | Soil biology | 2 | 121 | 974 | 929 |
| 471 | Plant breeding | 5 | 121 | 530 | 569 |
| 474 | Environmental Geology | 11 | 119 | 790 | 1324 |
| 474 | Mining Geology | 11 | 119 | 19 | 39 |
| 474 | biological factors | 3 | 119 | 1807 | 1459 |
| 477 | Paleobotany | 1 | 118 | 316 | 133 |
| 477 | Vegetation dynamics | 1 | 118 | 297 | 132 |
| 479 | Fluid Mechanics | 15 | 117 | 647 | 1058 |
| 480 | Oceanography | 6 | 114 | 1090 | 1271 |
| 481 | Health Policy | 3 | 113 | 1806 | 1416 |
| 481 | Emergency Medicine | 5 | 113 | 883 | 764 |
| 483 | Evolutionary Genetics | 4 | 112 | 516 | 527 |
| 483 | Molecular Epidemiology | 4 | 112 | 516 | 527 |
| 483 | Nuclear Chemistry | 11 | 112 | 499 | 608 |
| 486 | Ocean Engineering | 7 | 111 | 1080 | 1380 |
| 486 | Cell metabolism | 5 | 111 | 437 | 843 |
| 488 | sanitation | 3 | 110 | 1275 | 1528 |
| 488 | Ultrasonics | 2 | 110 | 1411 | 1220 |
| 488 | Electrophysiology | 6 | 110 | 603 | 618 |
| 491 | Gene expression regulation | 4 | 109 | 738 | 775 |
| 492 | Animal welfare | 12 | 107 | 52 | 230 |
| 493 | Semiconductors | 14 | 105 | 962 | 1486 |
| 494 | Medical Anthropology | 3 | 104 | 1140 | 1217 |
| 494 | motivation | 1 | 104 | 657 | 338 |
| 494 | Emotion | 1 | 104 | 407 | 267 |
| 494 | Emotions | 1 | 104 | 897 | 642 |
| 498 | probabilities | 6 | 103 | 967 | 775 |
| 498 | Heterocyclic compounds | 10 | 103 | 458 | 550 |
| 500 | Structural design | 5 | 102 | 615 | 680 |
| 500 | DNA | 5 | 102 | 419 | 459 |
| 502 | cytokines | 3 | 100 | 1065 | 1125 |
| 503 | pain management | 3 | 99 | 536 | 467 |
| 503 | Australia | 2 | 99 | 2054 | 1255 |
| 505 | Soil ecology | 4 | 98 | 636 | 828 |
| 506 | Radioisotopes | 10 | 97 | 516 | 680 |
| 507 | Morphology | 4 | 96 | 757 | 584 |
| 507 | vascular diseases | 5 | 96 | 478 | 661 |
| 507 | Extreme environments | 1 | 96 | 434 | 282 |
| 510 | Microbial Biotechnology | 4 | 94 | 842 | 963 |
| 510 | Interferons | 2 | 94 | 330 | 244 |
| 510 | clay | 10 | 94 | 344 | 938 |
| 510 | Growth factors | 1 | 94 | 470 | 399 |
| 510 | Cytokine | 2 | 94 | 464 | 473 |
| 510 | liver | 5 | 94 | 198 | 239 |
| 516 | carbon monoxide | 1 | 93 | 673 | 443 |
| 517 | Nursing | 8 | 92 | 1141 | 1345 |
| 517 | Chemical structure | 4 | 92 | 423 | 273 |
| 519 | Computer Graphics | 8 | 91 | 1046 | 1394 |
| 520 | Soil Science | 4 | 90 | 1542 | 1692 |
| 521 | Dermatology | 6 | 88 | 1018 | 1181 |
| 522 | Light | 4 | 87 | 744 | 995 |
| 523 | Energy Policy | 4 | 86 | 2211 | 2719 |
| 523 | Bioinformatics | 5 | 86 | 1439 | 1670 |
| 523 | United States | 15 | 86 | 2056 | 3403 |
| 523 | Bones | 3 | 86 | 650 | 771 |
| 527 | Atmospheric Physics | 2 | 84 | 1537 | 1338 |
| 527 | Wireless Communication Systems | 6 | 84 | 1669 | 1833 |
| 527 | Hematopoietic stem cell transplantation | 2 | 84 | 487 | 495 |
| 530 | Proteomics | 4 | 83 | 833 | 1045 |
| 530 | vibration | 12 | 83 | 525 | 1087 |
| 530 | protein | 5 | 83 | 865 | 1011 |
| 530 | Chemical processes | 7 | 83 | 302 | 459 |
| 534 | Measurement | 7 | 81 | 861 | 1219 |
| 535 | Neurogenetics | 4 | 80 | 209 | 278 |
| 536 | Boundary Value Problems | 3 | 79 | 778 | 620 |
| 536 | Antenna Arrays | 3 | 79 | 533 | 543 |
| 536 | pigments | 3 | 79 | 878 | 879 |
| 539 | Sonochemistry | 1 | 78 | 1107 | 1003 |
| 540 | Electromagnetic fields | 15 | 77 | 67 | 121 |
| 541 | Chronobiology | 6 | 76 | 258 | 453 |
| 541 | biological clocks | 6 | 76 | 258 | 453 |
| 541 | circadian rhythm | 6 | 76 | 258 | 453 |
| 544 | Economic History | 5 | 75 | 2445 | 2379 |
| 544 | Molecular Spectroscopy | 6 | 75 | 1334 | 1674 |
| 544 | cell proliferation | 6 | 75 | 182 | 324 |
| 544 | Southeast Asia | 2 | 75 | 485 | 221 |
| 548 | Internet of Things | 1 | 74 | 1578 | 1195 |
| 548 | Agricultural Microbiology | 1 | 74 | 119 | 36 |
| 548 | Infection control | 1 | 74 | 588 | 389 |
| 548 | locomotion | 1 | 74 | 967 | 650 |
| 548 | posture | 1 | 74 | 967 | 650 |
| 548 | Lightweight concrete | 3 | 74 | 411 | 735 |
| 548 | internet | 2 | 74 | 1864 | 1533 |
| 548 | nanoscience | 9 | 74 | 1673 | 2612 |
| 548 | gait | 1 | 74 | 967 | 650 |
| 548 | walking | 1 | 74 | 967 | 650 |
| 558 | Chemical Ecology | 1 | 73 | 808 | 652 |
| 558 | Ichthyology | 7 | 73 | 229 | 298 |
| 558 | Cell cycle | 5 | 73 | 187 | 308 |
| 558 | pheromones | 1 | 73 | 761 | 629 |
| 558 | cardiac catheterization | 8 | 73 | 335 | 435 |
| 563 | Computational Chemistry | 4 | 72 | 579 | 728 |
| 563 | Pharmacogenetics | 4 | 72 | 679 | 865 |
| 563 | Seaweed | 1 | 72 | 818 | 643 |
| 563 | Virulence | 2 | 72 | 1052 | 1249 |
| 563 | finance | 4 | 72 | 2044 | 2022 |
| 568 | Pharmacognosy | 2 | 71 | 2028 | 1992 |
| 568 | Mycology | 10 | 71 | 794 | 1428 |
| 568 | North America | 3 | 71 | 792 | 673 |
| 571 | Mitochondria | 2 | 70 | 336 | 355 |
| 571 | Screening | 1 | 70 | 346 | 165 |
| 571 | Lipids | 3 | 70 | 1153 | 1340 |
| 574 | medical education | 3 | 69 | 1514 | 1407 |
| 575 | irrigation | 2 | 68 | 431 | 303 |
| 575 | Invertebrates | 5 | 68 | 417 | 586 |
| 577 | Differential Equations | 7 | 67 | 712 | 855 |
| 577 | nuclear magnetic resonance spectroscopy | 2 | 67 | 836 | 603 |
| 579 | Freezing | 7 | 66 | 141 | 219 |
| 579 | Volcanoes | 2 | 66 | 351 | 352 |
| 581 | periodicity | 4 | 65 | 27 | 10 |
| 581 | cycles | 4 | 65 | 112 | 75 |
| 583 | Crystal growth | 7 | 64 | 659 | 1100 |
| 584 | Biogeochemistry | 2 | 63 | 1159 | 1262 |
| 584 | Organic Geochemistry | 2 | 63 | 426 | 497 |
| 586 | Civil Engineering | 4 | 62 | 1295 | 1106 |
| 586 | Lipid metabolism | 1 | 62 | 673 | 584 |
| 586 | Lipid | 1 | 62 | 675 | 586 |
| 589 | X-rays | 7 | 61 | 282 | 435 |
| 589 | drugs | 6 | 61 | 1291 | 1849 |
| 591 | Neuroimmunology | 4 | 60 | 526 | 895 |
| 591 | Magnetic Resonance Spectroscopy | 3 | 60 | 1052 | 940 |
| 593 | Plastics | 5 | 59 | 1284 | 1588 |
| 593 | visualization | 12 | 59 | 630 | 899 |
| 593 | Vaccines | 4 | 59 | 1213 | 1557 |
| 596 | Paleontology | 5 | 58 | 977 | 1159 |
| 597 | Radiation Oncology | 2 | 57 | 389 | 392 |
| 598 | Schizophrenia | 2 | 56 | 947 | 1041 |
| 598 | Lymphatic system | 6 | 56 | 37 | 96 |
| 600 | Systems Engineering | 9 | 55 | 1260 | 2127 |
| 600 | Geriatric Oncology | 6 | 55 | 319 | 664 |
| 600 | DNA methylation | 1 | 55 | 457 | 423 |
| 600 | Africa | 1 | 55 | 2338 | 1181 |
| 600 | Middle East | 1 | 55 | 1636 | 821 |
| 600 | cell interaction | 6 | 55 | 649 | 1248 |
| 606 | synthesis | 6 | 54 | 775 | 979 |
| 607 | Municipal Engineering | 1 | 53 | 685 | 483 |
| 607 | Plant tissue culture | 4 | 53 | 583 | 897 |
| 607 | Plant cell culture | 4 | 53 | 515 | 888 |
| 610 | Ergonomics | 3 | 52 | 853 | 937 |
| 610 | animal diseases | 3 | 52 | 462 | 571 |
| 610 | Pancreatic diseases | 3 | 52 | 327 | 369 |
| 613 | Physical organic chemistry | 5 | 51 | 1116 | 1485 |
| 613 | Bipolar Disorder | 1 | 51 | 477 | 424 |
| 615 | Materials Engineering | 2 | 50 | 953 | 734 |
| 615 | Transportation | 3 | 50 | 1548 | 1713 |
| 615 | Protein engineering | 1 | 50 | 366 | 312 |
| 615 | NMR | 1 | 50 | 846 | 515 |
| 615 | molecular design | 1 | 50 | 409 | 310 |
| 615 | magnetic resonance | 1 | 50 | 859 | 525 |
| 621 | Fungi | 7 | 49 | 623 | 1216 |
| 622 | Economics | 14 | 48 | 2001 | 3313 |
| 622 | mycoses | 1 | 48 | 1080 | 1010 |
| 622 | Bacterial infections | 1 | 48 | 1137 | 1077 |
| 622 | Learning | 2 | 48 | 1353 | 1405 |
| 622 | biochemical markers | 3 | 48 | 586 | 745 |
| 627 | Sound | 8 | 47 | 585 | 973 |
| 627 | Androgens | 2 | 47 | 264 | 343 |
| 629 | Biosensors | 1 | 46 | 1720 | 1867 |
| 629 | Psychoneuroimmunology | 3 | 46 | 540 | 905 |
| 629 | Multivariate Analysis | 4 | 46 | 480 | 624 |
| 629 | Bioelectronics | 1 | 46 | 1546 | 1742 |
| 629 | Fuzzy systems | 5 | 46 | 1335 | 1649 |
| 634 | industrial hygiene | 5 | 45 | 717 | 904 |
| 634 | Sexual health | 2 | 45 | 778 | 726 |
| 634 | Calorimetry | 1 | 45 | 1840 | 1352 |
| 634 | Thermal analysis | 1 | 45 | 1840 | 1352 |
| 638 | Computer Engineering | 3 | 44 | 1008 | 1157 |
| 638 | Solutions | 2 | 44 | 519 | 431 |
| 640 | Tourism | 2 | 43 | 1942 | 2212 |
| 640 | Developmental Neurobiology | 2 | 43 | 667 | 674 |
| 640 | Gerontology | 4 | 43 | 1488 | 1748 |
| 640 | Culture techniques | 2 | 43 | 336 | 341 |
| 644 | Asthma | 2 | 42 | 742 | 706 |
| 644 | Human-Computer Interaction | 5 | 42 | 1156 | 1890 |
| 646 | Structural dynamics | 2 | 41 | 1074 | 1341 |
| 646 | Sedimentary rocks | 2 | 41 | 722 | 813 |
| 646 | body temperature | 4 | 41 | 423 | 754 |
| 649 | animals | 4 | 40 | 1057 | 1275 |
| 650 | Neonatology | 2 | 39 | 692 | 753 |
| 650 | Photonics | 4 | 39 | 1478 | 2019 |
| 650 | Number Theory | 9 | 39 | 430 | 643 |
| 650 | Ventilation | 4 | 39 | 392 | 688 |
| 650 | ethanol | 4 | 39 | 406 | 650 |
| 650 | alcoholism | 4 | 39 | 1058 | 1556 |
| 650 | biomedicine | 2 | 39 | 616 | 841 |
| 657 | Bioprinting | 1 | 38 | 102 | 104 |
| 657 | Microscopy | 2 | 38 | 1583 | 1484 |
| 657 | Multiple sclerosis | 1 | 38 | 862 | 583 |
| 657 | Aquaculture | 3 | 38 | 1337 | 1629 |
| 661 | Environmental Toxicology | 8 | 37 | 1419 | 2957 |
| 662 | Hydrogeology | 1 | 36 | 1055 | 927 |
| 662 | Mechatronics | 13 | 36 | 324 | 1221 |
| 662 | Geothermal Energy | 1 | 36 | 468 | 425 |
| 662 | Radiochemistry | 3 | 36 | 960 | 961 |
| 662 | Biomarkers | 2 | 36 | 521 | 579 |
| 662 | Randomized Controlled Trials | 3 | 36 | 873 | 980 |
| 662 | Animal genetics | 3 | 36 | 539 | 786 |
| 662 | Chromosomes | 3 | 36 | 837 | 1204 |
| 670 | Nuclear Engineering | 4 | 35 | 1200 | 1427 |
| 670 | Psychosomatic Medicine | 1 | 35 | 1064 | 1034 |
| 670 | Architectural Design | 11 | 35 | 145 | 521 |
| 670 | Animal Nutrition | 1 | 35 | 858 | 737 |
| 670 | Statistical Mechanics | 3 | 35 | 633 | 685 |
| 670 | Magnetohydrodynamics | 3 | 35 | 228 | 292 |
| 670 | Contraception | 1 | 35 | 875 | 779 |
| 670 | human development | 1 | 35 | 1228 | 1170 |
| 670 | electrocatalysis | 1 | 35 | 251 | 176 |
| 670 | Solar System | 1 | 35 | 977 | 868 |
| 680 | Production Engineering | 10 | 34 | 1041 | 2145 |
| 680 | Clinical Biochemistry | 5 | 34 | 787 | 1294 |
| 680 | Cross-Cultural Studies | 4 | 34 | 594 | 1054 |
| 680 | Computational Intelligence | 2 | 34 | 886 | 898 |
| 680 | cross-cultural comparison | 4 | 34 | 436 | 750 |
| 680 | rehabilitation | 4 | 34 | 1685 | 2434 |
| 686 | Entropy | 1 | 33 | 1891 | 1415 |
| 686 | Biological productivity | 6 | 33 | 23 | 34 |
| 686 | environmental exposure | 3 | 33 | 1783 | 2572 |
| 686 | mathematical concepts | 2 | 33 | 518 | 488 |
| 686 | Cognition | 4 | 33 | 1377 | 1939 |
| 691 | Information Systems | 7 | 32 | 857 | 1906 |
| 691 | Tribology | 8 | 32 | 676 | 1386 |
| 691 | Quantum electronics | 1 | 32 | 2165 | 1720 |
| 691 | preventive medicine | 2 | 32 | 1167 | 1452 |
| 691 | Paleogeography | 2 | 32 | 1033 | 1257 |
| 691 | Travel | 2 | 32 | 899 | 1054 |
| 691 | East Asia | 7 | 32 | 314 | 752 |
| 691 | natural products | 12 | 32 | 846 | 2074 |
| 691 | biological agents | 12 | 32 | 209 | 473 |
| 691 | Ultrasound | 1 | 32 | 1070 | 1013 |
| 691 | Radio frequency | 1 | 32 | 690 | 655 |
| 702 | Genetic Toxicology | 2 | 31 | 527 | 836 |
| 702 | epilepsy | 5 | 31 | 642 | 1126 |
| 702 | calcification | 3 | 31 | 464 | 734 |
| 705 | Landscape Architecture | 6 | 30 | 66 | 134 |
| 705 | Heat Exchangers | 1 | 30 | 1759 | 1848 |
| 707 | Research Design | 1 | 29 | 1588 | 1515 |
| 707 | Soil fertility | 1 | 29 | 544 | 678 |
| 707 | indoor air pollution | 2 | 29 | 470 | 668 |
| 707 | Sick building syndrome | 2 | 29 | 470 | 668 |
| 707 | Combinatorial analysis | 4 | 29 | 902 | 945 |
| 707 | livestock | 10 | 29 | 226 | 648 |
| 713 | Geomorphology | 1 | 28 | 1796 | 1910 |
| 713 | Palliative Care | 1 | 28 | 1189 | 974 |
| 713 | Paleobiology | 1 | 28 | 611 | 436 |
| 713 | hospice care | 1 | 28 | 838 | 719 |
| 713 | Artificial Organs | 5 | 28 | 419 | 709 |
| 713 | Heart Failure | 1 | 28 | 492 | 581 |
| 713 | food handling | 2 | 28 | 1078 | 1618 |
| 713 | computer networks | 4 | 28 | 2061 | 2841 |
| 713 | Women's health | 3 | 28 | 1162 | 1622 |
| 713 | Gastrointestinal diseases | 1 | 28 | 948 | 852 |
| 723 | Climatology | 3 | 27 | 1581 | 2215 |
| 723 | Magnetic Resonance Imaging | 1 | 27 | 605 | 581 |
| 723 | Nondestructive testing | 2 | 27 | 822 | 942 |
| 723 | bioclimatology | 2 | 27 | 1141 | 1471 |
| 723 | Radiotherapy | 3 | 27 | 279 | 264 |
| 723 | nuclear magnetic resonance | 3 | 27 | 906 | 1067 |
| 723 | biobanks | 1 | 27 | 263 | 186 |
| 723 | System analysis | 9 | 27 | 1386 | 2878 |
| 731 | Marine Ecology | 2 | 26 | 878 | 1051 |
| 731 | Emergency Nursing | 1 | 26 | 289 | 247 |
| 731 | preimplantation genetic diagnosis | 1 | 26 | 656 | 684 |
| 731 | embryo transfer | 1 | 26 | 670 | 696 |
| 731 | Research methodology | 1 | 26 | 205 | 257 |
| 731 | ecosystem | 2 | 26 | 1407 | 1963 |
| 731 | fishing industry | 3 | 26 | 107 | 205 |
| 731 | health planning | 4 | 26 | 1889 | 2723 |
| 731 | Fisheries | 3 | 26 | 1419 | 1835 |
| 740 | Global Health | 1 | 25 | 1665 | 1481 |
| 740 | Melanoma | 1 | 25 | 331 | 395 |
| 740 | Bacteria | 1 | 25 | 531 | 697 |
| 740 | Zoonoses | 1 | 25 | 510 | 577 |
| 744 | Hydraulic Engineering | 2 | 24 | 965 | 1170 |
| 744 | Synchrotron Radiation | 2 | 24 | 446 | 546 |
| 744 | Parenteral nutrition | 2 | 24 | 956 | 1331 |
| 744 | analysis | 1 | 24 | 542 | 578 |
| 744 | Mechanics | 1 | 24 | 1914 | 1597 |
| 749 | Cell migration | 2 | 23 | 95 | 294 |
| 749 | cosmic rays | 3 | 23 | 417 | 599 |
| 749 | Animal husbandry | 9 | 23 | 125 | 530 |
| 749 | Ethology | 3 | 23 | 1292 | 2090 |
| 749 | Intelligent Control Systems | 4 | 23 | 1052 | 1448 |
| 749 | Cell adhesion | 2 | 23 | 184 | 393 |
| 749 | Molecular ecology | 1 | 23 | 1347 | 1693 |
| 749 | water reuse | 2 | 23 | 454 | 770 |
| 749 | Landslides | 2 | 23 | 310 | 601 |
| 749 | plant communities | 1 | 23 | 1410 | 1654 |
| 759 | Animal health | 1 | 22 | 783 | 635 |
| 759 | Sleep Disorders | 3 | 22 | 1233 | 1691 |
| 759 | Information visualization | 4 | 22 | 129 | 282 |
| 759 | Bioremediation | 1 | 22 | 1467 | 1633 |
| 759 | Biodegradation | 1 | 22 | 1278 | 1475 |
| 759 | Sleep | 3 | 22 | 1258 | 1723 |
| 765 | Coastal Engineering | 1 | 21 | 230 | 193 |
| 765 | Human Geography | 4 | 21 | 915 | 1481 |
| 765 | Sports Medicine | 5 | 21 | 1778 | 2614 |
| 765 | Powder Metallurgy | 3 | 21 | 215 | 251 |
| 765 | Antibacterial agents | 2 | 21 | 716 | 1180 |
| 770 | Physical Therapy | 1 | 20 | 1696 | 1690 |
| 770 | Photography | 1 | 20 | 1442 | 697 |
| 770 | Immunopharmacology | 2 | 20 | 1186 | 1672 |
| 770 | Drug design | 1 | 20 | 2139 | 2217 |
| 770 | Microbial Metabolism | 1 | 20 | 417 | 622 |
| 770 | Shock Waves | 2 | 20 | 218 | 294 |
| 770 | clay minerals | 3 | 20 | 269 | 584 |
| 770 | textile fibers | 4 | 20 | 344 | 742 |
| 770 | fusion reactors | 3 | 20 | 379 | 510 |
| 770 | Textile industry | 4 | 20 | 398 | 655 |
| 770 | venom | 1 | 20 | 1228 | 1306 |
| 770 | Toxins | 1 | 20 | 1358 | 1443 |
| 782 | Cryptography | 3 | 19 | 681 | 818 |
| 782 | Chemical kinetics | 2 | 19 | 987 | 1066 |
| 782 | Coding Theory | 3 | 19 | 377 | 500 |
| 782 | Fluorescence spectroscopy | 1 | 19 | 379 | 433 |
| 782 | biological invasions | 1 | 19 | 953 | 1086 |
| 782 | drug evaluation | 3 | 19 | 1157 | 1907 |
| 788 | Health Services Research | 1 | 18 | 2061 | 2081 |
| 788 | behavioral medicine | 2 | 18 | 1427 | 2167 |
| 788 | transgenic organisms | 1 | 18 | 446 | 596 |
| 788 | transgenic animals | 1 | 18 | 434 | 576 |
| 788 | Primary health care | 1 | 18 | 2202 | 2262 |
| 788 | food contamination | 4 | 18 | 843 | 1665 |
| 788 | hazard mitigation | 2 | 18 | 1171 | 1733 |
| 788 | Intellectual disability | 4 | 18 | 638 | 1170 |
| 788 | natural disasters | 3 | 18 | 1260 | 2106 |
| 797 | Economic Geology | 1 | 17 | 25 | 14 |
| 797 | Electrocardiography | 2 | 17 | 379 | 472 |
| 797 | micromechanics | 4 | 17 | 492 | 1028 |
| 797 | Health | 2 | 17 | 2268 | 2914 |
| 797 | prostaglandins | 1 | 17 | 624 | 743 |
| 802 | Remote Sensing | 8 | 16 | 852 | 1964 |
| 802 | Microelectronics | 3 | 16 | 1526 | 2277 |
| 802 | Enteral nutrition | 1 | 16 | 1067 | 1326 |
| 802 | Raman spectroscopy | 1 | 16 | 1277 | 1438 |
| 802 | Brachytherapy | 1 | 16 | 288 | 273 |
| 802 | Echocardiography | 1 | 16 | 196 | 245 |
| 802 | Emulsions | 1 | 16 | 723 | 724 |
| 802 | Population | 1 | 16 | 1379 | 1547 |
| 802 | antibiotics | 1 | 16 | 425 | 605 |
| 802 | Primates | 4 | 16 | 591 | 1084 |
| 812 | Humanities | 2 | 15 | 2382 | 2617 |
| 812 | Anthropology | 2 | 15 | 1716 | 1969 |
| 812 | Econometrics | 3 | 15 | 1330 | 1779 |
| 812 | Risk Management | 1 | 15 | 1154 | 1283 |
| 812 | Solar power plants | 1 | 15 | 320 | 480 |
| 812 | Heterocyclic chemistry | 3 | 15 | 548 | 928 |
| 812 | Biological Systems | 1 | 15 | 953 | 1137 |
| 812 | Genetic translocation | 2 | 15 | 259 | 454 |
| 812 | Fracture mechanics | 2 | 15 | 1478 | 1961 |
| 812 | plasticity | 1 | 15 | 517 | 733 |
| 812 | Neuromuscular diseases | 3 | 15 | 521 | 922 |
| 812 | Protein folding | 1 | 15 | 157 | 228 |
| 812 | Photovoltaic Cells | 1 | 15 | 322 | 481 |
| 812 | plasmids | 2 | 15 | 259 | 454 |
| 812 | Muscles | 3 | 15 | 696 | 1250 |
| 812 | prions | 1 | 15 | 138 | 200 |
| 828 | Computational Linguistics | 4 | 14 | 438 | 938 |
| 828 | energy conservation | 2 | 14 | 2307 | 3250 |
| 828 | optical pattern recognition | 1 | 14 | 297 | 248 |
| 831 | Emergency Medical Services | 1 | 13 | 1018 | 1142 |
| 831 | Religion | 1 | 13 | 1429 | 1018 |
| 831 | environmental indicators | 1 | 13 | 1676 | 2210 |
| 831 | Adolescent | 2 | 13 | 2160 | 2832 |
| 831 | eugenics | 1 | 13 | 876 | 1050 |
| 831 | Nitric oxide | 1 | 13 | 514 | 766 |
| 837 | Clinical Laboratory Science | 1 | 12 | 410 | 481 |
| 837 | Diagnosis | 1 | 12 | 666 | 802 |
| 837 | occupational diseases | 1 | 12 | 1141 | 1512 |
| 837 | Risk assessment | 1 | 12 | 1158 | 1360 |
| 837 | Marine Geophysics | 2 | 12 | 323 | 576 |
| 837 | Carbon | 2 | 12 | 1415 | 2196 |
| 837 | peptides | 1 | 12 | 1293 | 1510 |
| 837 | bats | 1 | 12 | 237 | 326 |
| 837 | Roads | 2 | 12 | 741 | 1006 |
| 837 | disease susceptibility | 1 | 12 | 115 | 257 |
| 837 | Peptide | 1 | 12 | 319 | 355 |
| 837 | India | 3 | 12 | 1487 | 2172 |
| 837 | Acarology | 2 | 12 | 365 | 653 |
| 837 | Mites | 2 | 12 | 497 | 781 |
| 837 | Ticks | 2 | 12 | 354 | 650 |
| 837 | Acari | 2 | 12 | 354 | 650 |
| 837 | symptoms | 1 | 12 | 115 | 257 |
| 854 | Pediatric Dermatology | 1 | 11 | 569 | 630 |
| 854 | Agricultural Ecology | 1 | 11 | 1496 | 1981 |
| 854 | Microbial Genetics | 1 | 11 | 613 | 816 |
| 854 | Agronomy | 1 | 11 | 731 | 1046 |
| 854 | Sustainable agriculture | 1 | 11 | 1250 | 1557 |
| 854 | Circadian rhythms | 2 | 11 | 477 | 880 |
| 854 | Rock deformation | 1 | 11 | 374 | 565 |
| 854 | Investment analysis | 2 | 11 | 1235 | 1717 |
| 854 | Respiratory system | 1 | 11 | 752 | 992 |
| 854 | X-ray crystallography | 3 | 11 | 519 | 820 |
| 854 | biological rhythms | 2 | 11 | 607 | 990 |
| 854 | Cell death | 2 | 11 | 1062 | 1688 |
| 854 | Vegetation | 1 | 11 | 229 | 272 |
| 854 | miniaturization | 1 | 11 | 2343 | 2786 |
| 868 | Database Management | 2 | 10 | 876 | 1345 |
| 868 | Clinical Trials | 1 | 10 | 739 | 892 |
| 868 | Development Economics | 1 | 10 | 762 | 952 |
| 868 | General Surgery | 1 | 10 | 757 | 790 |
| 868 | Sedimentology | 1 | 10 | 970 | 1246 |
| 868 | Control Theory | 3 | 10 | 1689 | 2380 |
| 868 | Forensic Pathology | 1 | 10 | 297 | 345 |
| 868 | occupational health and safety | 1 | 10 | 206 | 248 |
| 868 | Virtual reality | 2 | 10 | 513 | 915 |
| 868 | Biometrics | 2 | 10 | 1072 | 1491 |
| 868 | research and development | 1 | 10 | 597 | 827 |
| 868 | Soviet Union | 1 | 10 | 1262 | 1135 |
| 868 | Developing countries | 2 | 10 | 2607 | 3528 |
| 881 | Game Theory | 2 | 9 | 686 | 1014 |
| 881 | Mobile Computing | 2 | 9 | 1275 | 1860 |
| 881 | Teratology | 1 | 9 | 385 | 546 |
| 881 | Operations Research | 2 | 9 | 2336 | 3008 |
| 881 | nursing education | 1 | 9 | 317 | 378 |
| 881 | mutation | 2 | 9 | 635 | 1122 |
| 881 | Quality Assurance | 5 | 9 | 203 | 947 |
| 881 | Noise | 2 | 9 | 184 | 380 |
| 881 | touch | 1 | 9 | 211 | 301 |
| 881 | Magnetism | 6 | 9 | 79 | 282 |
| 881 | Groundwater | 2 | 9 | 615 | 1143 |
| 881 | Consciousness | 1 | 9 | 816 | 948 |
| 893 | Cardiovascular Pharmacology | 1 | 8 | 438 | 628 |
| 893 | Antitrust Law | 1 | 8 | 312 | 224 |
| 893 | Aerodynamics | 1 | 8 | 190 | 147 |
| 893 | Agricultural Biotechnology | 2 | 8 | 411 | 603 |
| 893 | Bioethics | 3 | 8 | 893 | 1592 |
| 893 | Medical Ethics | 3 | 8 | 1069 | 1833 |
| 893 | Herbal medicine | 1 | 8 | 1240 | 1801 |
| 893 | economic policy | 3 | 8 | 2221 | 3202 |
| 893 | Mycotoxins | 1 | 8 | 274 | 432 |
| 893 | Mesoporous materials | 2 | 8 | 114 | 230 |
| 893 | nucleotides | 1 | 8 | 557 | 618 |
| 893 | Iron | 1 | 8 | 488 | 638 |
| 893 | monopolies | 1 | 8 | 131 | 97 |
| 893 | Safety management | 1 | 8 | 1153 | 1461 |
| 893 | Cartels | 1 | 8 | 131 | 97 |
| 893 | Detectors | 2 | 8 | 1725 | 2586 |
| 893 | Forest genetics | 2 | 8 | 343 | 630 |
| 910 | Software Engineering | 1 | 7 | 1465 | 1696 |
| 910 | Statistics | 3 | 7 | 2282 | 3100 |
| 910 | Systems Analysis | 1 | 7 | 1789 | 2245 |
| 910 | Philosophy of Mind | 2 | 7 | 357 | 606 |
| 910 | Geriatric Psychiatry | 1 | 7 | 1359 | 1763 |
| 910 | Pharmaceutical Technology | 1 | 7 | 1940 | 2440 |
| 910 | Psychiatric Nursing | 3 | 7 | 663 | 1335 |
| 910 | Stochastic Processes | 1 | 7 | 1440 | 1710 |
| 910 | Educational Technology | 2 | 7 | 1979 | 3234 |
| 910 | Health Education | 2 | 7 | 1899 | 2841 |
| 910 | Microfabrication | 1 | 7 | 639 | 860 |
| 910 | Cardiac electrophysiology | 1 | 7 | 351 | 501 |
| 910 | Calculus of Variations | 1 | 7 | 835 | 898 |
| 910 | nursing ethics | 1 | 7 | 486 | 804 |
| 910 | arrhythmia | 1 | 7 | 351 | 501 |
| 910 | Climate | 1 | 7 | 1003 | 1467 |
| 910 | catalytic activity | 1 | 7 | 968 | 1276 |
| 910 | weather | 1 | 7 | 976 | 1440 |
| 928 | Systems Theory | 2 | 6 | 550 | 1008 |
| 928 | Clinical Psychology | 1 | 6 | 1559 | 2010 |
| 928 | Thermodynamics | 2 | 6 | 1485 | 2087 |
| 928 | Telecommunication Systems | 2 | 6 | 1858 | 2604 |
| 928 | Telecommunications | 2 | 6 | 1019 | 1737 |
| 928 | Nanophotonics | 1 | 6 | 552 | 819 |
| 928 | Radiopharmaceuticals | 1 | 6 | 502 | 558 |
| 928 | Cognitive neuroscience | 1 | 6 | 1334 | 1757 |
| 928 | Socioeconomic Factors | 1 | 6 | 1252 | 1873 |
| 928 | Hydraulic machinery | 2 | 6 | 62 | 139 |
| 928 | Radio wave propagation | 3 | 6 | 701 | 1303 |
| 928 | Marriage | 1 | 6 | 883 | 1246 |
| 928 | Sports | 4 | 6 | 1722 | 2879 |
| 928 | Pesticides | 1 | 6 | 1113 | 1600 |
| 928 | Family | 1 | 6 | 1499 | 1968 |
| 928 | Communication | 3 | 6 | 2024 | 3368 |
| 928 | toxicity testing | 1 | 6 | 1012 | 1513 |
| 928 | Microstructure | 2 | 6 | 1157 | 1739 |
| 928 | Development | 2 | 6 | 932 | 1677 |
| 928 | violence | 1 | 6 | 1463 | 1960 |
| 928 | Aggression | 1 | 6 | 804 | 1205 |
| 928 | Chemical reactors | 1 | 6 | 373 | 412 |
| 950 | Mathematics Education | 1 | 5 | 841 | 980 |
| 950 | Mental Health | 2 | 5 | 1740 | 2832 |
| 950 | Patient education | 1 | 5 | 857 | 1275 |
| 950 | Photogrammetry | 6 | 5 | 527 | 1298 |
| 950 | Diffusion of innovations | 1 | 5 | 256 | 508 |
| 950 | Adhesion | 1 | 5 | 1180 | 1562 |
| 950 | Exercise therapy | 1 | 5 | 927 | 1123 |
| 950 | Celestial Mechanics | 2 | 5 | 233 | 401 |
| 950 | Group decision making | 3 | 5 | 479 | 1130 |
| 950 | counseling | 2 | 5 | 1467 | 2293 |
| 950 | Hospitality industry | 1 | 5 | 812 | 1390 |
| 950 | caffeine | 1 | 5 | 36 | 108 |
| 950 | Pituitary gland | 1 | 5 | 299 | 477 |
| 950 | adhesives | 1 | 5 | 1246 | 1604 |
| 950 | Economic Assistance | 1 | 5 | 1120 | 1586 |
| 950 | Developed countries | 1 | 5 | 454 | 670 |
| 950 | vitamins | 1 | 5 | 284 | 557 |
| 967 | Education | 2 | 4 | 3853 | 5183 |
| 967 | Architecture | 5 | 4 | 397 | 991 |
| 967 | Paleoclimatology | 1 | 4 | 1423 | 1869 |
| 967 | Rural Development | 1 | 4 | 898 | 1274 |
| 967 | Acoustics | 2 | 4 | 439 | 659 |
| 967 | Volcanology | 1 | 4 | 52 | 115 |
| 967 | Digital electronics | 1 | 4 | 602 | 746 |
| 967 | Infections | 1 | 4 | 1345 | 1866 |
| 967 | Simulation Methods | 1 | 4 | 1728 | 2227 |
| 967 | monoclonal antibodies | 1 | 4 | 467 | 666 |
| 967 | Mutagenesis | 1 | 4 | 790 | 1247 |
| 967 | Marine mineral resources | 1 | 4 | 318 | 491 |
| 967 | Speech acoustics | 1 | 4 | 250 | 361 |
| 967 | Qualitative Research | 1 | 4 | 878 | 1276 |
| 967 | Organ transplantation | 1 | 4 | 491 | 656 |
| 967 | psychophysics | 2 | 4 | 445 | 797 |
| 967 | isomerism | 1 | 4 | 627 | 978 |
| 967 | polar regions | 1 | 4 | 933 | 1279 |
| 967 | sleep-wake cycle | 1 | 4 | 269 | 449 |
| 967 | Paleopathology | 1 | 4 | 517 | 685 |
| 967 | brewing | 2 | 4 | 235 | 516 |
| 967 | Building | 5 | 4 | 393 | 1166 |
| 967 | Antarctica | 1 | 4 | 843 | 1119 |
| 967 | Atomic spectroscopy | 1 | 4 | 1535 | 1917 |
| 967 | Seabed | 1 | 4 | 318 | 491 |
| 967 | Approximation Theory | 2 | 4 | 571 | 859 |
| 967 | wood | 1 | 4 | 765 | 1087 |
| 967 | Nonlinear systems | 1 | 4 | 993 | 1340 |
| 967 | alcohol | 1 | 4 | 163 | 271 |
| 967 | Chirality | 1 | 4 | 627 | 978 |
| 967 | Cell communication | 2 | 4 | 678 | 1374 |
| 998 | Pediatric Hematology | 1 | 3 | 536 | 727 |
| 998 | Visual Communication | 1 | 3 | 837 | 1207 |
| 998 | Developmental Genetics | 1 | 3 | 633 | 941 |