| 1 | Cancer | 152 | 28.8K | 499 | 121 |
| 2 | Biochemistry | 678 | 26.2K | 651 | 643 |
| 3 | Human genetics | 138 | 20.1K | 263 | 364 |
| 4 | Biotechnology | 408 | 19.2K | 269 | 337 |
| 5 | Polymers | 713 | 17.9K | 139 | 186 |
| 6 | Medical genetics | 253 | 17.2K | 204 | 196 |
| 7 | Chemical Engineering | 192 | 14.9K | 514 | 272 |
| 8 | Bioengineering | 195 | 14.9K | 332 | 277 |
| 9 | polymerization | 522 | 13.7K | 137 | 187 |
| 10 | Biochemical Engineering | 135 | 12.9K | 295 | 237 |
| 11 | Medicine | 495 | 11.9K | 726 | 1191 |
| 12 | Chemistry | 401 | 11.7K | 1055 | 1323 |
| 13 | Pharmacology | 445 | 11.0K | 326 | 437 |
| 14 | Science | 205 | 11.0K | 1468 | 1785 |
| 15 | Neurology | 293 | 10.2K | 598 | 793 |
| 16 | Genetics | 107 | 10.1K | 609 | 485 |
| 17 | Microbiology | 260 | 10.0K | 694 | 849 |
| 18 | Engineering Geology | 193 | 9.9K | 41 | 32 |
| 19 | Biology | 298 | 9.3K | 1019 | 1896 |
| 20 | Research | 361 | 8.7K | 698 | 951 |
| 21 | Biocompatible Materials | 244 | 8.3K | 287 | 455 |
| 22 | Analytical Chemistry | 286 | 8.2K | 270 | 361 |
| 23 | Molecular Biology | 293 | 7.9K | 885 | 1356 |
| 24 | Pharmaceutical Chemistry | 196 | 7.4K | 331 | 347 |
| 25 | Oncology | 132 | 6.6K | 164 | 338 |
| 26 | Toxicology | 241 | 6.6K | 330 | 449 |
| 27 | Biomedical Engineering | 214 | 6.6K | 336 | 371 |
| 28 | Pollution | 122 | 6.6K | 811 | 803 |
| 29 | Cytology | 90 | 6.6K | 929 | 900 |
| 29 | Food | 182 | 6.6K | 134 | 152 |
| 31 | Physics | 191 | 6.4K | 1760 | 2521 |
| 31 | Cell Biology | 78 | 6.4K | 926 | 901 |
| 33 | Medical Microbiology | 97 | 6.3K | 280 | 241 |
| 34 | Parasitic Diseases | 86 | 6.2K | 186 | 88 |
| 35 | Metabolic diseases | 198 | 6.0K | 167 | 377 |
| 36 | Nutrition | 246 | 5.8K | 267 | 472 |
| 37 | infection | 74 | 5.7K | 176 | 67 |
| 38 | Virology | 37 | 5.6K | 1081 | 778 |
| 39 | Infections | 61 | 5.4K | 118 | 56 |
| 40 | Metabolism | 137 | 5.2K | 351 | 508 |
| 41 | Allergy | 35 | 5.0K | 340 | 237 |
| 42 | Rock Mechanics | 76 | 4.9K | 95 | 54 |
| 43 | Hematology | 202 | 4.8K | 394 | 573 |
| 44 | Pediatrics | 137 | 4.7K | 263 | 374 |
| 45 | food technology | 125 | 4.6K | 194 | 179 |
| 46 | Child | 327 | 4.5K | 66 | 173 |
| 47 | Environment | 42 | 4.4K | 1513 | 1114 |
| 48 | Surface Chemistry | 155 | 4.1K | 443 | 562 |
| 49 | diseases | 7 | 4.1K | 173 | 109 |
| 50 | Disease | 4 | 4.1K | 292 | 107 |
| 51 | Soil Mechanics | 57 | 4.0K | 190 | 92 |
| 52 | Colloids | 149 | 3.9K | 459 | 644 |
| 53 | Europe | 177 | 3.8K | 213 | 225 |
| 54 | Clinical Chemistry | 82 | 3.7K | 467 | 399 |
| 55 | Infertility | 40 | 3.7K | 219 | 110 |
| 55 | fertility | 40 | 3.7K | 238 | 116 |
| 57 | Pharmacy | 132 | 3.7K | 166 | 165 |
| 58 | Mining Engineering | 46 | 3.6K | 55 | 22 |
| 59 | Endocrinology | 79 | 3.5K | 646 | 723 |
| 60 | Environmental Health | 126 | 3.5K | 698 | 1005 |
| 61 | natural disasters | 54 | 3.5K | 78 | 32 |
| 62 | Ecology | 84 | 3.4K | 1400 | 1556 |
| 63 | Bioorganic chemistry | 56 | 3.4K | 633 | 375 |
| 64 | Urology | 88 | 3.3K | 271 | 259 |
| 65 | Biophysics | 104 | 3.2K | 1191 | 1173 |
| 66 | Obstetrics | 157 | 3.2K | 206 | 307 |
| 67 | Drug delivery systems | 122 | 3.0K | 26 | 152 |
| 68 | environmental pollution | 70 | 3.0K | 911 | 909 |
| 69 | drugs | 125 | 3.0K | 128 | 187 |
| 70 | Biosensors | 31 | 3.0K | 254 | 156 |
| 71 | Spectrum analysis | 148 | 2.9K | 691 | 1097 |
| 72 | Nervous system | 80 | 2.9K | 381 | 522 |
| 73 | Diagnostic Imaging | 59 | 2.9K | 344 | 225 |
| 74 | Natural history | 14 | 2.9K | 2414 | 2305 |
| 75 | Mathematics | 260 | 2.8K | 767 | 827 |
| 76 | Bioelectronics | 29 | 2.8K | 210 | 137 |
| 77 | Reproduction | 97 | 2.8K | 297 | 331 |
| 78 | Education | 112 | 2.8K | 518 | 405 |
| 79 | rehabilitation | 138 | 2.7K | 139 | 259 |
| 80 | Botany | 123 | 2.7K | 695 | 1007 |
| 81 | Rheumatology | 91 | 2.7K | 87 | 209 |
| 82 | Organic Chemistry | 52 | 2.6K | 924 | 592 |
| 83 | Dermatology | 120 | 2.6K | 169 | 258 |
| 84 | Materials | 94 | 2.6K | 1535 | 1604 |
| 85 | drug therapy | 93 | 2.6K | 326 | 389 |
| 86 | Immunology | 99 | 2.5K | 793 | 1173 |
| 87 | Public Health | 179 | 2.5K | 612 | 1160 |
| 88 | Technology | 102 | 2.5K | 561 | 609 |
| 89 | Pediatric Neurology | 50 | 2.5K | 179 | 316 |
| 90 | Environmental Geology | 61 | 2.5K | 126 | 111 |
| 91 | Adolescent | 156 | 2.4K | 136 | 243 |
| 92 | Electrochemistry | 92 | 2.4K | 852 | 774 |
| 93 | arthritis | 41 | 2.4K | 317 | 323 |
| 94 | Pharmacognosy | 55 | 2.3K | 249 | 235 |
| 95 | Environmental monitoring | 46 | 2.3K | 943 | 824 |
| 96 | Agricultural Chemistry | 41 | 2.3K | 553 | 338 |
| 96 | Health | 108 | 2.3K | 191 | 286 |
| 98 | Artificial Intelligence | 77 | 2.2K | 649 | 581 |
| 99 | Chromatographic analysis | 114 | 2.2K | 82 | 94 |
| 100 | actuators | 47 | 2.1K | 422 | 352 |
| 100 | transducers | 47 | 2.1K | 422 | 352 |
| 102 | Cardiovascular system | 24 | 2.1K | 622 | 556 |
| 103 | Spine | 43 | 2.1K | 104 | 119 |
| 104 | Nuclear Medicine | 41 | 2.0K | 226 | 160 |
| 105 | Medical Oncology | 77 | 2.0K | 283 | 411 |
| 106 | Psychology | 130 | 2.0K | 677 | 1088 |
| 107 | United States | 106 | 2.0K | 750 | 957 |
| 108 | Minority Health | 2 | 2.0K | 116 | 35 |
| 109 | Psychiatry | 85 | 2.0K | 871 | 1281 |
| 110 | Biodiversity conservation | 6 | 2.0K | 1470 | 687 |
| 111 | biological factors | 56 | 1.9K | 201 | 252 |
| 112 | Cardiovascular diseases | 38 | 1.9K | 398 | 231 |
| 113 | Chromatography | 87 | 1.9K | 88 | 98 |
| 114 | Immunopathology | 59 | 1.9K | 206 | 224 |
| 115 | Clinical Biochemistry | 107 | 1.9K | 51 | 132 |
| 116 | motivation | 1 | 1.9K | 648 | 21 |
| 116 | Emotion | 1 | 1.9K | 426 | 15 |
| 116 | Emotions | 1 | 1.9K | 1029 | 107 |
| 119 | risk factors | 31 | 1.8K | 137 | 66 |
| 120 | Climate change | 3 | 1.8K | 1251 | 634 |
| 121 | Brain | 68 | 1.8K | 628 | 785 |
| 122 | Eutrophication | 2 | 1.8K | 1419 | 638 |
| 123 | Earth Sciences | 58 | 1.8K | 772 | 760 |
| 124 | Pharmaceutical Technology | 86 | 1.8K | 84 | 210 |
| 125 | Statistics | 76 | 1.8K | 499 | 488 |
| 126 | Pathology | 96 | 1.8K | 360 | 670 |
| 127 | Water pollution | 18 | 1.7K | 1282 | 728 |
| 128 | Psychophysiology | 53 | 1.7K | 743 | 881 |
| 129 | Medicinal plants | 31 | 1.7K | 274 | 206 |
| 130 | Electrophoresis | 66 | 1.7K | 157 | 191 |
| 131 | Water | 17 | 1.7K | 1191 | 788 |
| 132 | Hypertension | 22 | 1.7K | 670 | 631 |
| 133 | Genomics | 45 | 1.6K | 834 | 818 |
| 134 | Molecular Imaging | 20 | 1.6K | 243 | 154 |
| 135 | Epidemiology | 117 | 1.6K | 494 | 975 |
| 136 | Environmental Toxicology | 61 | 1.6K | 289 | 568 |
| 137 | rare diseases | 24 | 1.6K | 114 | 57 |
| 138 | environmental protection | 34 | 1.6K | 969 | 825 |
| 139 | Nursing | 91 | 1.5K | 147 | 164 |
| 140 | Parasitology | 45 | 1.5K | 580 | 457 |
| 141 | Nuclear Physics | 107 | 1.5K | 1229 | 1487 |
| 142 | Composite Materials | 37 | 1.5K | 828 | 829 |
| 143 | Building Materials | 37 | 1.5K | 410 | 464 |
| 144 | Biomass Energy | 23 | 1.5K | 927 | 736 |
| 145 | hazard mitigation | 17 | 1.5K | 247 | 62 |
| 146 | Surface-Active Agents | 51 | 1.5K | 56 | 112 |
| 146 | Surface properties | 51 | 1.5K | 56 | 127 |
| 148 | Business | 7 | 1.4K | 1717 | 603 |
| 149 | Educational Technology | 73 | 1.4K | 66 | 144 |
| 150 | mass transfer | 16 | 1.4K | 790 | 350 |
| 151 | Clinical Immunology | 39 | 1.4K | 262 | 214 |
| 152 | Diabetes | 35 | 1.4K | 730 | 916 |
| 153 | Plastics | 84 | 1.4K | 105 | 213 |
| 154 | Nanotechnology | 60 | 1.3K | 1454 | 1911 |
| 155 | Geology | 84 | 1.3K | 690 | 911 |
| 156 | Stem cells | 24 | 1.3K | 582 | 472 |
| 156 | Behavior | 43 | 1.3K | 824 | 1088 |
| 158 | Diabetes mellitus | 33 | 1.3K | 691 | 891 |
| 159 | Geophysics | 52 | 1.3K | 1164 | 1282 |
| 160 | Sports Medicine | 97 | 1.3K | 330 | 599 |
| 161 | Parenteral nutrition | 49 | 1.3K | 129 | 295 |
| 162 | scientific societies | 56 | 1.3K | 57 | 111 |
| 163 | Genetic disorders | 54 | 1.2K | 38 | 86 |
| 164 | Adolescent Medicine | 25 | 1.2K | 148 | 232 |
| 165 | Radiobiology | 60 | 1.2K | 270 | 452 |
| 166 | Economics | 88 | 1.2K | 898 | 1087 |
| 167 | Electrochemical Analysis | 42 | 1.2K | 272 | 274 |
| 168 | Environmental Engineering | 38 | 1.2K | 1128 | 1296 |
| 169 | Ophthalmology | 72 | 1.2K | 301 | 532 |
| 170 | Mental Disorders | 53 | 1.2K | 691 | 1157 |
| 171 | drug evaluation | 39 | 1.2K | 157 | 115 |
| 172 | Environmental pollutants | 44 | 1.2K | 410 | 551 |
| 173 | Antibacterial agents | 45 | 1.2K | 29 | 82 |
| 174 | Materials Science | 51 | 1.2K | 1494 | 1763 |
| 175 | Quality Control | 43 | 1.2K | 211 | 243 |
| 176 | Aging | 58 | 1.2K | 633 | 828 |
| 177 | human behavior | 22 | 1.1K | 888 | 958 |
| 178 | Physical Therapy | 70 | 1.1K | 145 | 345 |
| 179 | enzymes | 30 | 1.1K | 389 | 367 |
| 180 | Child Development | 102 | 1.1K | 233 | 593 |
| 181 | Electrophysiology | 46 | 1.1K | 170 | 146 |
| 182 | pain | 35 | 1.1K | 343 | 469 |
| 183 | Diet | 43 | 1.1K | 513 | 780 |
| 184 | Biopharmaceutics | 30 | 1.1K | 217 | 224 |
| 185 | Physiology | 81 | 1.1K | 879 | 1631 |
| 186 | Tropical Medicine | 49 | 1.1K | 269 | 302 |
| 187 | Operations Research | 44 | 1.1K | 545 | 625 |
| 188 | Cytogenetics | 17 | 1.1K | 720 | 714 |
| 189 | Enteral nutrition | 35 | 1.0K | 117 | 269 |
| 190 | Information Technology | 56 | 1.0K | 271 | 440 |
| 191 | Surgery | 34 | 1.0K | 740 | 1093 |
| 192 | genome | 12 | 999 | 877 | 793 |
| 192 | health planning | 43 | 999 | 356 | 351 |
| 194 | disease vectors | 37 | 989 | 128 | 175 |
| 195 | Crystallography | 94 | 984 | 144 | 255 |
| 196 | Genetic engineering | 20 | 973 | 881 | 803 |
| 197 | Fluid Mechanics | 17 | 943 | 810 | 445 |
| 198 | Vaccines | 45 | 935 | 401 | 584 |
| 199 | Reproductive health | 35 | 934 | 111 | 121 |
| 200 | Sociology | 42 | 923 | 728 | 792 |
| 201 | Industrial Engineering | 25 | 916 | 587 | 472 |
| 202 | Asia | 74 | 911 | 257 | 382 |
| 203 | System analysis | 45 | 910 | 508 | 566 |
| 204 | Solid State Physics | 52 | 906 | 1359 | 1486 |
| 205 | management | 42 | 904 | 949 | 1266 |
| 206 | Parasites | 33 | 902 | 362 | 371 |
| 207 | Histology | 37 | 900 | 480 | 666 |
| 208 | Renewable Energy Sources | 12 | 882 | 1489 | 1390 |
| 209 | medical education | 43 | 876 | 389 | 445 |
| 210 | Molecular structure | 66 | 872 | 327 | 848 |
| 211 | Cell differentiation | 8 | 871 | 1314 | 973 |
| 212 | Neurosurgery | 45 | 869 | 140 | 363 |
| 212 | Chemical industry | 16 | 869 | 536 | 180 |
| 214 | Information Science | 51 | 863 | 382 | 751 |
| 215 | coal | 37 | 848 | 317 | 586 |
| 216 | concrete | 25 | 846 | 284 | 393 |
| 217 | Mechanical Engineering | 43 | 845 | 615 | 489 |
| 218 | Immunotherapy | 29 | 838 | 542 | 886 |
| 219 | Biodiversity | 30 | 833 | 694 | 871 |
| 220 | Nanoparticles | 30 | 831 | 542 | 661 |
| 221 | Molecular Spectroscopy | 29 | 827 | 462 | 372 |
| 222 | Condensed Matter | 52 | 826 | 1251 | 1460 |
| 223 | Geriatrics | 74 | 820 | 548 | 994 |
| 223 | Orthopedics | 40 | 820 | 420 | 539 |
| 223 | Public Policy | 39 | 820 | 365 | 480 |
| 226 | Chemotherapy | 42 | 810 | 274 | 423 |
| 227 | Biometrics | 2 | 809 | 1549 | 319 |
| 228 | Pediatric Hematology | 77 | 805 | 3 | 17 |
| 229 | Plant physiology | 10 | 796 | 1418 | 1021 |
| 230 | Bioethics | 26 | 794 | 200 | 119 |
| 230 | Medical Ethics | 27 | 794 | 279 | 165 |
| 230 | Quality of life | 28 | 794 | 315 | 444 |
| 233 | Neurochemistry | 22 | 792 | 1060 | 1109 |
| 234 | Food Microbiology | 14 | 790 | 555 | 488 |
| 235 | Pediatric Dermatology | 30 | 783 | 80 | 47 |
| 236 | natural products | 37 | 779 | 360 | 447 |
| 237 | nursing ethics | 23 | 776 | 14 | 16 |
| 238 | Pediatric Endocrinology | 67 | 774 | 1 | 2 |
| 239 | Catalysis | 35 | 772 | 1488 | 1855 |
| 240 | Health Services Administration | 47 | 769 | 120 | 253 |
| 241 | Animal ecology | 27 | 766 | 365 | 415 |
| 242 | Metabolic disorders in children | 66 | 755 | 1 | 2 |
| 243 | Liver diseases | 13 | 745 | 860 | 920 |
| 244 | Histochemistry | 23 | 740 | 298 | 243 |
| 245 | bees | 22 | 732 | 74 | 85 |
| 246 | Drug design | 37 | 725 | 281 | 554 |
| 247 | Host-parasite interactions | 26 | 716 | 380 | 826 |
| 248 | Carcinogenesis | 18 | 710 | 332 | 391 |
| 249 | Sleep Disorders | 26 | 707 | 605 | 613 |
| 250 | Computer Graphics | 28 | 706 | 464 | 499 |
| 251 | Critical Care | 29 | 700 | 560 | 1027 |
| 252 | Sleep | 25 | 699 | 615 | 617 |
| 253 | Energy Policy | 31 | 695 | 763 | 1367 |
| 254 | carcinogens | 23 | 694 | 257 | 381 |
| 255 | Computational Fluid Dynamics | 3 | 691 | 783 | 117 |
| 256 | Industrial Microbiology | 25 | 687 | 587 | 870 |
| 257 | Membranes | 12 | 676 | 1041 | 902 |
| 258 | Health Education | 23 | 675 | 648 | 556 |
| 258 | miniaturization | 29 | 675 | 582 | 987 |
| 260 | Chemical analysis | 17 | 666 | 373 | 291 |
| 261 | Digestive system diseases | 29 | 664 | 246 | 290 |
| 262 | Health Policy | 44 | 661 | 513 | 831 |
| 263 | disabilities | 34 | 658 | 102 | 136 |
| 264 | Hazardous waste | 5 | 657 | 774 | 376 |
| 265 | Pharmacokinetics | 30 | 656 | 138 | 252 |
| 265 | Neurophysiology | 19 | 656 | 1439 | 1605 |
| 267 | Zeolites | 12 | 652 | 404 | 302 |
| 268 | radioactive waste | 4 | 649 | 742 | 350 |
| 268 | industrial waste | 4 | 649 | 784 | 351 |
| 270 | Image Processing | 27 | 646 | 605 | 751 |
| 271 | Environmental Policy | 20 | 643 | 1326 | 1774 |
| 272 | environmental exposure | 24 | 639 | 534 | 691 |
| 273 | Chromosomes | 16 | 636 | 382 | 398 |
| 274 | Critical Care Medicine | 21 | 630 | 677 | 1071 |
| 275 | Geochemistry | 29 | 626 | 796 | 1021 |
| 276 | personality | 11 | 623 | 793 | 684 |
| 277 | Genetic Toxicology | 10 | 622 | 175 | 153 |
| 278 | Enzyme | 19 | 616 | 86 | 137 |
| 279 | Therapeutics | 27 | 614 | 569 | 926 |
| 280 | Cybernetics | 13 | 611 | 646 | 440 |
| 281 | Hydrogeology | 22 | 610 | 171 | 160 |
| 282 | Lipids | 13 | 607 | 652 | 636 |
| 283 | Cochlear Implants | 12 | 600 | 18 | 2 |
| 284 | Algebra | 90 | 599 | 141 | 239 |
| 285 | Genetic regulation | 6 | 597 | 979 | 705 |
| 286 | clay | 14 | 595 | 242 | 262 |
| 287 | Mathematical Physics | 35 | 594 | 1076 | 1097 |
| 288 | Radio wave propagation | 16 | 591 | 283 | 105 |
| 289 | epilepsy | 35 | 589 | 173 | 310 |
| 290 | Molecular evolution | 15 | 588 | 708 | 784 |
| 290 | pharmaceutical industry | 30 | 588 | 55 | 68 |
| 292 | pigments | 19 | 587 | 217 | 202 |
| 293 | Paleontology | 28 | 586 | 443 | 458 |
| 294 | Business Ethics | 9 | 583 | 523 | 553 |
| 295 | Family | 20 | 579 | 302 | 278 |
| 296 | Genetic therapy | 10 | 578 | 772 | 639 |
| 297 | Mental illness | 22 | 577 | 822 | 1205 |
| 298 | software | 10 | 571 | 434 | 271 |
| 299 | food handling | 13 | 569 | 305 | 283 |
| 300 | Computer Vision | 22 | 562 | 346 | 570 |
| 301 | energy resources | 20 | 561 | 437 | 873 |
| 302 | biopolymers | 17 | 560 | 516 | 489 |
| 303 | gene therapy | 9 | 559 | 743 | 615 |
| 304 | cloning | 2 | 546 | 1009 | 447 |
| 305 | biological evolution | 13 | 545 | 1142 | 1286 |
| 306 | Analytical Biochemistry | 27 | 540 | 448 | 693 |
| 307 | Biomolecules | 16 | 538 | 95 | 187 |
| 308 | Earthquake Engineering | 29 | 537 | 382 | 553 |
| 308 | Clinical Pharmacology | 41 | 537 | 283 | 570 |
| 310 | Exercise | 45 | 536 | 209 | 435 |
| 311 | Multiple sclerosis | 56 | 533 | 24 | 73 |
| 312 | Child psychology | 18 | 529 | 624 | 809 |
| 313 | Remote Sensing | 65 | 528 | 118 | 304 |
| 314 | Statistical physics | 38 | 516 | 1421 | 1715 |
| 315 | Social Psychology | 34 | 511 | 603 | 986 |
| 315 | Immunity | 25 | 511 | 776 | 1645 |
| 317 | Environmental Microbiology | 5 | 508 | 1260 | 827 |
| 317 | Emergency Medicine | 48 | 508 | 303 | 527 |
| 319 | Obesity | 23 | 507 | 810 | 1186 |
| 320 | Solid State Chemistry | 24 | 506 | 1088 | 1041 |
| 321 | Bone diseases | 12 | 505 | 158 | 292 |
| 322 | Engineering Mathematics | 18 | 502 | 1156 | 670 |
| 323 | Educational Psychology | 22 | 501 | 510 | 596 |
| 324 | Organometallic chemistry | 33 | 494 | 471 | 616 |
| 325 | Geomorphology | 9 | 493 | 919 | 737 |
| 325 | energy conservation | 13 | 493 | 924 | 1072 |
| 327 | Mineralogy | 15 | 492 | 702 | 624 |
| 328 | Developing countries | 20 | 490 | 859 | 937 |
| 329 | Respiration | 13 | 489 | 830 | 801 |
| 330 | Bacteriology | 6 | 488 | 1682 | 1282 |
| 331 | Lightweight concrete | 10 | 487 | 163 | 255 |
| 332 | Molecular Genetics | 21 | 479 | 749 | 1150 |
| 333 | Medical Anthropology | 9 | 477 | 759 | 721 |
| 334 | Teaching | 40 | 476 | 336 | 553 |
| 334 | Pituitary gland | 14 | 476 | 54 | 50 |
| 336 | Microbial Ecology | 4 | 474 | 2397 | 1644 |
| 336 | Marriage | 7 | 474 | 287 | 139 |
| 338 | Neurobiology | 9 | 473 | 1275 | 1250 |
| 339 | Medical Technology | 30 | 470 | 354 | 662 |
| 339 | Information Systems | 25 | 470 | 304 | 492 |
| 341 | Wireless Communication Systems | 9 | 462 | 1446 | 649 |
| 342 | Sports | 33 | 459 | 614 | 835 |
| 342 | Kidney diseases | 18 | 459 | 367 | 449 |
| 344 | Community Psychiatry | 13 | 458 | 442 | 452 |
| 345 | Manufacturing Processes | 28 | 452 | 785 | 1087 |
| 345 | soil microbiology | 3 | 452 | 1692 | 1057 |
| 345 | Gerontology | 32 | 452 | 569 | 744 |
| 348 | Semiconductors | 28 | 446 | 661 | 740 |
| 348 | Diagnostic microbiology | 10 | 446 | 850 | 1111 |
| 350 | baking | 18 | 445 | 48 | 63 |
| 351 | Tunneling | 8 | 442 | 183 | 161 |
| 351 | underground construction | 8 | 442 | 183 | 161 |
| 353 | cytokines | 9 | 426 | 800 | 686 |
| 354 | Tissue Engineering | 4 | 425 | 290 | 110 |
| 355 | Autoimmunity | 12 | 424 | 373 | 468 |
| 356 | Neuromuscular diseases | 21 | 422 | 198 | 317 |
| 356 | Muscles | 21 | 422 | 265 | 517 |
| 358 | Dentistry | 61 | 420 | 65 | 192 |
| 359 | Optics | 51 | 418 | 1691 | 2121 |
| 360 | Calorimetry | 22 | 415 | 279 | 279 |
| 360 | Immune system | 16 | 415 | 461 | 1019 |
| 360 | Thermal analysis | 22 | 415 | 279 | 279 |
| 363 | Wildlife conservation | 5 | 414 | 1097 | 779 |
| 364 | Exercise therapy | 23 | 413 | 30 | 45 |
| 364 | Organ transplantation | 37 | 413 | 62 | 95 |
| 364 | pollutants | 11 | 413 | 1076 | 1119 |
| 367 | Drug targeting | 11 | 410 | 73 | 89 |
| 367 | mutagens | 6 | 410 | 665 | 559 |
| 369 | Enzyme inhibitors | 14 | 409 | 83 | 82 |
| 370 | Water quality management | 12 | 407 | 994 | 727 |
| 371 | Occupational Therapy | 50 | 406 | 122 | 193 |
| 372 | Petrology | 17 | 402 | 475 | 593 |
| 372 | Immunogenetics | 8 | 402 | 470 | 321 |
| 374 | Economic History | 49 | 400 | 889 | 1356 |
| 375 | Production Engineering | 24 | 397 | 658 | 737 |
| 376 | Process Control | 6 | 396 | 646 | 586 |
| 376 | Production Management | 6 | 396 | 852 | 761 |
| 378 | Mycology | 11 | 395 | 994 | 918 |
| 379 | Social Sciences | 40 | 393 | 966 | 1241 |
| 380 | Microbial Biotechnology | 12 | 390 | 337 | 363 |
| 381 | Oxidative stress | 4 | 386 | 1158 | 743 |
| 382 | Embryology | 3 | 384 | 1842 | 1211 |
| 383 | Psychiatric Epidemiology | 8 | 382 | 270 | 267 |
| 384 | Radiology | 33 | 381 | 385 | 626 |
| 384 | Psychopharmacology | 13 | 381 | 898 | 1114 |
| 386 | Cytokine | 6 | 380 | 260 | 245 |
| 387 | Engineering | 37 | 377 | 1354 | 1908 |
| 388 | Waste management | 8 | 375 | 967 | 485 |
| 388 | Water Purification | 8 | 375 | 751 | 401 |
| 388 | Geodynamics | 11 | 375 | 508 | 534 |
| 391 | Thrombosis | 16 | 371 | 509 | 669 |
| 391 | Growth factors | 5 | 371 | 173 | 196 |
| 393 | mathematical analysis | 39 | 369 | 856 | 969 |
| 394 | tomography | 26 | 368 | 59 | 98 |
| 395 | Fisheries | 18 | 366 | 714 | 852 |
| 396 | Nuclear Engineering | 40 | 364 | 324 | 410 |
| 396 | Nuclear Energy | 40 | 364 | 258 | 399 |
| 398 | Japan | 23 | 362 | 593 | 611 |
| 399 | mutation | 6 | 359 | 478 | 396 |
| 399 | Nanostructures | 9 | 359 | 1547 | 1356 |
| 401 | Neuropsychology | 17 | 356 | 1094 | 1382 |
| 401 | drug toxicity | 18 | 356 | 38 | 130 |
| 403 | Systems Analysis | 17 | 354 | 360 | 383 |
| 403 | Environmental Management | 10 | 354 | 1896 | 2198 |
| 405 | Quantum Gravity | 15 | 352 | 1363 | 1335 |
| 406 | Alzheimer's disease | 20 | 351 | 734 | 700 |
| 407 | Cellular senescence | 3 | 350 | 859 | 422 |
| 407 | Socioeconomic Factors | 3 | 350 | 886 | 305 |
| 407 | Health promotion | 15 | 350 | 635 | 757 |
| 407 | drug development | 26 | 350 | 203 | 1094 |
| 407 | Zoonoses | 14 | 350 | 52 | 102 |
| 412 | Hemostasis | 14 | 349 | 349 | 338 |
| 412 | mycoses | 8 | 349 | 546 | 712 |
| 414 | Photogrammetry | 56 | 348 | 76 | 84 |
| 415 | Social work | 29 | 347 | 392 | 486 |
| 416 | Dementia | 18 | 346 | 768 | 631 |
| 416 | Entomology | 20 | 346 | 1084 | 1042 |
| 418 | Oncogenes | 5 | 345 | 1116 | 1148 |
| 419 | Middle East | 36 | 344 | 116 | 200 |
| 420 | Recombinant DNA | 21 | 343 | 504 | 864 |
| 421 | Food Preservation | 17 | 342 | 197 | 171 |
| 421 | Industrial Safety | 20 | 342 | 307 | 457 |
| 421 | preimplantation genetic diagnosis | 14 | 342 | 143 | 153 |
| 421 | locomotion | 26 | 342 | 114 | 327 |
| 421 | embryo transfer | 14 | 342 | 154 | 168 |
| 421 | posture | 26 | 342 | 114 | 327 |
| 421 | toxicity testing | 8 | 342 | 371 | 305 |
| 421 | gait | 26 | 342 | 114 | 327 |
| 421 | walking | 26 | 342 | 114 | 327 |
| 430 | Asthma | 30 | 339 | 79 | 228 |
| 431 | Transplantation | 10 | 337 | 820 | 942 |
| 431 | Muscle contraction | 22 | 337 | 16 | 10 |
| 433 | Physical Chemistry | 18 | 336 | 1106 | 1418 |
| 434 | Ore deposits | 8 | 335 | 326 | 262 |
| 435 | clay minerals | 5 | 331 | 212 | 144 |
| 435 | Attention | 11 | 331 | 1108 | 1132 |
| 437 | proteins | 31 | 327 | 672 | 1318 |
| 438 | Combustion | 7 | 325 | 945 | 704 |
| 439 | Perception | 11 | 324 | 1213 | 1237 |
| 440 | Pediatric Rheumatology | 14 | 320 | 58 | 63 |
| 440 | Mutagenesis | 19 | 320 | 58 | 135 |
| 442 | Computational Biology | 15 | 319 | 1446 | 1831 |
| 442 | Neural circuitry | 15 | 319 | 893 | 1210 |
| 444 | Visual Perception | 10 | 318 | 1124 | 1109 |
| 444 | Memory | 10 | 318 | 1239 | 1262 |
| 446 | Zoology | 28 | 317 | 961 | 1301 |
| 447 | Molecular recognition | 17 | 316 | 14 | 44 |
| 448 | Mental Health | 22 | 313 | 545 | 788 |
| 448 | Raman spectroscopy | 10 | 313 | 397 | 339 |
| 448 | International Finance | 12 | 313 | 863 | 864 |
| 451 | Measurement | 9 | 311 | 740 | 548 |
| 452 | Geothermal Energy | 8 | 310 | 118 | 90 |
| 453 | Metallurgy | 19 | 309 | 1070 | 1314 |
| 453 | Paleopathology | 14 | 309 | 76 | 70 |
| 453 | Neurons | 1 | 309 | 1218 | 1068 |
| 456 | Organometallic compounds | 22 | 308 | 448 | 664 |
| 457 | industrial hygiene | 26 | 305 | 237 | 311 |
| 457 | Computer Literacy | 5 | 305 | 138 | 73 |
| 459 | Environmental Chemistry | 12 | 303 | 1200 | 1713 |
| 460 | teratogenic agents | 18 | 302 | 14 | 21 |
| 461 | planning | 22 | 300 | 119 | 207 |
| 462 | Numerical Analysis | 17 | 299 | 1161 | 1086 |
| 462 | free radicals | 10 | 299 | 886 | 1189 |
| 462 | Cell metabolism | 12 | 299 | 270 | 921 |
| 462 | Fuzzy systems | 31 | 299 | 270 | 531 |
| 466 | emergency management | 10 | 298 | 392 | 366 |
| 467 | Liposomes | 14 | 296 | 175 | 294 |
| 468 | Radioisotopes | 24 | 295 | 343 | 443 |
| 469 | health services | 17 | 292 | 376 | 497 |
| 470 | families | 17 | 291 | 284 | 322 |
| 471 | voice | 25 | 290 | 75 | 183 |
| 472 | Neuropsychiatry | 11 | 285 | 477 | 572 |
| 472 | Medical Physics | 19 | 285 | 752 | 1031 |
| 472 | Radiochemistry | 23 | 285 | 331 | 391 |
| 475 | complementary therapies | 19 | 284 | 680 | 1021 |
| 476 | Medical Laboratory Science | 11 | 283 | 1229 | 1509 |
| 477 | Computer Science | 16 | 281 | 940 | 856 |
| 478 | Communication | 11 | 280 | 1167 | 962 |
| 478 | Cell death | 5 | 280 | 1149 | 1155 |
| 478 | Evolution | 14 | 280 | 1007 | 1466 |
| 481 | data protection | 5 | 279 | 435 | 135 |
| 482 | Radiation | 32 | 278 | 606 | 1211 |
| 483 | Nuclear Chemistry | 17 | 276 | 483 | 456 |
| 484 | Landslides | 7 | 275 | 125 | 171 |
| 485 | food contamination | 15 | 273 | 304 | 391 |
| 486 | Marine Biology | 17 | 272 | 1333 | 1792 |
| 487 | Geriatric Psychiatry | 14 | 271 | 507 | 706 |
| 487 | Total Quality Management | 10 | 271 | 165 | 153 |
| 487 | Molecular cloning | 15 | 271 | 614 | 953 |
| 487 | Genetic recombination | 15 | 271 | 596 | 939 |
| 487 | Ethnology | 16 | 271 | 625 | 571 |
| 492 | Occupational Health | 20 | 267 | 311 | 488 |
| 493 | Data Mining | 9 | 264 | 1007 | 1143 |
| 493 | Hydrology | 15 | 264 | 1340 | 1611 |
| 493 | Smart Materials | 13 | 264 | 398 | 479 |
| 496 | Library Science | 32 | 262 | 215 | 245 |
| 497 | Anatomy | 29 | 261 | 675 | 1407 |
| 497 | Bioinformatics | 11 | 261 | 1252 | 1549 |
| 499 | Heat Exchangers | 6 | 259 | 940 | 882 |
| 499 | Biomechanics | 19 | 259 | 531 | 918 |
| 499 | data collection | 9 | 259 | 627 | 829 |
| 502 | adolescence | 25 | 258 | 244 | 596 |
| 502 | Minerals | 10 | 258 | 328 | 347 |
| 504 | Bioinorganic chemistry | 7 | 257 | 1088 | 891 |
| 505 | Transportation | 8 | 256 | 1163 | 1052 |
| 506 | Audiology | 23 | 254 | 255 | 481 |
| 506 | Differential Equations | 7 | 254 | 730 | 446 |
| 508 | psychotherapy | 12 | 251 | 712 | 898 |
| 509 | Alternative Medicine | 12 | 250 | 924 | 1089 |
| 509 | Sedimentary rocks | 9 | 250 | 341 | 386 |
| 511 | Music | 21 | 249 | 237 | 320 |
| 511 | feeding behavior | 5 | 249 | 629 | 508 |
| 511 | Appetite | 5 | 249 | 545 | 450 |
| 514 | Women's health | 25 | 248 | 318 | 721 |
| 515 | Schizophrenia | 15 | 241 | 546 | 909 |
| 515 | Plants | 38 | 241 | 583 | 1705 |
| 517 | Paleoecology | 13 | 240 | 539 | 774 |
| 518 | Astrophysics | 14 | 237 | 2112 | 2393 |
| 519 | General Surgery | 13 | 236 | 345 | 344 |
| 519 | Hospitals | 11 | 236 | 331 | 363 |
| 521 | Nanostructured Materials | 15 | 235 | 1880 | 2475 |
| 522 | Archaeology | 21 | 234 | 534 | 726 |
| 522 | Contraception | 4 | 234 | 609 | 374 |
| 522 | Pregnancy | 10 | 234 | 448 | 497 |
| 525 | Solar Energy | 11 | 233 | 953 | 1416 |
| 526 | Metals | 10 | 232 | 1409 | 1499 |
| 527 | nanoscience | 13 | 231 | 1735 | 2471 |
| 528 | Molecular Microbiology | 1 | 230 | 1619 | 938 |
| 528 | Virulence | 1 | 230 | 2173 | 1388 |
| 528 | Bacterial diseases | 1 | 230 | 639 | 119 |
| 531 | Cross-Cultural Studies | 11 | 229 | 254 | 300 |
| 531 | educational innovations | 10 | 229 | 215 | 256 |
| 533 | Cellulose | 7 | 225 | 358 | 400 |
| 534 | Adolescent Psychology | 9 | 224 | 487 | 582 |
| 534 | Child welfare | 23 | 224 | 316 | 599 |
| 534 | Pesticides | 7 | 224 | 415 | 299 |
| 534 | family studies | 2 | 224 | 49 | 28 |
| 534 | Parenting | 2 | 224 | 78 | 33 |
| 534 | Child rearing | 2 | 224 | 78 | 33 |
| 534 | supercritical fluids | 5 | 224 | 316 | 262 |
| 541 | Laser therapy | 29 | 222 | 48 | 121 |
| 542 | Safety management | 10 | 220 | 197 | 164 |
| 543 | Soil Science | 11 | 218 | 1140 | 1507 |
| 544 | China | 25 | 217 | 997 | 1875 |
| 544 | Heterocyclic compounds | 14 | 217 | 445 | 383 |
| 546 | Environmental Geochemistry | 4 | 216 | 480 | 208 |
| 546 | Atomic spectroscopy | 10 | 216 | 734 | 710 |
| 548 | Africa | 15 | 214 | 653 | 634 |
| 549 | Human Resources | 3 | 212 | 467 | 351 |
| 549 | Fluorescence | 17 | 212 | 50 | 115 |
| 551 | Petroleum Geology | 11 | 210 | 273 | 389 |
| 552 | Plant Ecology | 10 | 209 | 1115 | 1615 |
| 553 | machinery | 15 | 208 | 250 | 385 |
| 554 | Electronics | 27 | 207 | 1467 | 2150 |
| 554 | X-rays | 14 | 207 | 230 | 288 |
| 556 | Oral Medicine | 39 | 206 | 56 | 262 |
| 557 | Paleoclimatology | 9 | 204 | 727 | 917 |
| 558 | Environmental Education | 6 | 202 | 235 | 187 |
| 558 | Artificial Organs | 22 | 202 | 181 | 356 |
| 560 | internet | 4 | 201 | 1345 | 747 |
| 561 | Environmental Law | 1 | 200 | 2189 | 1304 |
| 562 | Neonatology | 34 | 199 | 56 | 378 |
| 562 | violence | 7 | 199 | 643 | 672 |
| 564 | Civil Engineering | 14 | 198 | 973 | 785 |
| 565 | Australia | 21 | 196 | 643 | 1096 |
| 566 | Inflammation | 5 | 195 | 1156 | 1197 |
| 566 | older people | 15 | 195 | 778 | 798 |
| 568 | Psychosomatic Medicine | 6 | 194 | 634 | 745 |
| 568 | Pediatric Nursing | 10 | 194 | 200 | 212 |
| 568 | Optical materials | 6 | 194 | 2268 | 2307 |
| 571 | Autoantibodies | 6 | 193 | 454 | 548 |
| 571 | Autoimmune diseases | 6 | 193 | 487 | 578 |
| 573 | thinking | 6 | 192 | 130 | 136 |
| 573 | Creativity | 6 | 192 | 121 | 150 |
| 575 | sex crimes | 5 | 191 | 503 | 386 |
| 576 | Molecular ecology | 7 | 190 | 825 | 1236 |
| 577 | behavioral medicine | 8 | 189 | 847 | 1278 |
| 578 | Atmospheric Physics | 4 | 186 | 1694 | 1442 |
| 578 | Developmental Disabilities | 12 | 186 | 504 | 884 |
| 580 | Synaptic Transmission | 8 | 184 | 299 | 409 |
| 580 | Vaccination | 2 | 184 | 413 | 166 |
| 582 | Long-Term Care | 7 | 183 | 362 | 518 |
| 582 | Long-term care facilities | 7 | 183 | 359 | 517 |
| 582 | occupational diseases | 17 | 183 | 277 | 746 |
| 585 | Geriatric Oncology | 6 | 182 | 424 | 527 |
| 585 | Physical fitness | 22 | 182 | 311 | 812 |
| 587 | Islam | 9 | 181 | 281 | 109 |
| 588 | Population Genetics | 6 | 180 | 1012 | 1236 |
| 588 | Bacterial infections | 10 | 180 | 446 | 1067 |
| 588 | Insects | 11 | 180 | 866 | 994 |
| 591 | Marine Geology | 8 | 178 | 364 | 438 |
| 591 | Socialization | 4 | 178 | 458 | 438 |
| 593 | Psychiatric Nursing | 17 | 177 | 190 | 350 |
| 593 | counseling | 11 | 177 | 696 | 913 |
| 593 | gene mapping | 9 | 177 | 1413 | 2199 |
| 596 | Signal Processing | 11 | 176 | 1213 | 1334 |
| 596 | Cement | 10 | 176 | 323 | 705 |
| 598 | Nonlinear Dynamics | 5 | 174 | 2016 | 1670 |
| 599 | Nonlinear functional analysis | 12 | 173 | 608 | 756 |
| 599 | nuclear power | 18 | 173 | 194 | 206 |
| 601 | Paleogeography | 8 | 172 | 634 | 845 |
| 601 | econometric models | 8 | 172 | 286 | 431 |
| 603 | Evolutionary Genetics | 6 | 171 | 447 | 498 |
| 603 | Molecular Epidemiology | 6 | 171 | 447 | 498 |
| 603 | finance | 8 | 171 | 1658 | 1553 |
| 606 | Kinesiology | 6 | 169 | 85 | 52 |
| 607 | Hearing | 18 | 167 | 255 | 483 |
| 607 | Intellectual disability | 16 | 167 | 329 | 587 |
| 609 | Functional Analysis | 13 | 166 | 724 | 841 |
| 609 | Microscopy | 17 | 166 | 670 | 1021 |
| 609 | Chronic diseases | 3 | 166 | 861 | 813 |
| 612 | role | 3 | 165 | 447 | 390 |
| 613 | Emergency Medical Services | 16 | 163 | 244 | 463 |
| 614 | Immunochemistry | 12 | 160 | 498 | 801 |
| 614 | Sexual health | 8 | 160 | 495 | 518 |
| 614 | Infrared spectroscopy | 5 | 160 | 206 | 172 |
| 617 | Geodesy | 5 | 159 | 656 | 521 |
| 618 | Organizational Sociology | 2 | 158 | 493 | 233 |
| 619 | Genes | 11 | 157 | 596 | 960 |
| 620 | Econometrics | 13 | 156 | 706 | 940 |
| 621 | Retina | 1 | 155 | 359 | 413 |
| 621 | Social welfare | 7 | 155 | 385 | 331 |
| 621 | movement | 5 | 155 | 218 | 263 |
| 621 | eye | 1 | 155 | 426 | 417 |
| 625 | Sustainable Development | 6 | 154 | 1753 | 1985 |
| 625 | viruses | 8 | 154 | 1135 | 1777 |
| 627 | Photonics | 10 | 153 | 1163 | 1695 |
| 628 | Bioremediation | 5 | 152 | 657 | 749 |
| 629 | Software Engineering | 18 | 151 | 364 | 627 |
| 629 | Distance Education | 12 | 151 | 120 | 265 |
| 629 | Food additives | 7 | 151 | 834 | 1225 |
| 632 | Land use | 3 | 150 | 1360 | 1073 |
| 633 | Discourse Analysis | 6 | 149 | 238 | 262 |
| 633 | Palliative Care | 5 | 149 | 810 | 651 |
| 633 | Developmental Biology | 4 | 149 | 2159 | 2343 |
| 633 | Nonlinear mechanics | 1 | 149 | 868 | 260 |
| 637 | Public Administration | 3 | 147 | 1682 | 857 |
| 637 | space environment | 2 | 147 | 342 | 197 |
| 639 | Fermentation | 6 | 146 | 167 | 161 |
| 639 | brewing | 6 | 146 | 140 | 109 |
| 641 | Soil dynamics | 7 | 145 | 298 | 389 |
| 641 | indoor air pollution | 8 | 145 | 174 | 353 |
| 641 | Ventilation | 9 | 145 | 239 | 409 |
| 641 | Sick building syndrome | 8 | 145 | 174 | 353 |
| 645 | Intercultural Communication | 7 | 144 | 201 | 261 |
| 646 | Obstetric Nursing | 7 | 143 | 166 | 185 |
| 646 | Primary health care | 15 | 143 | 792 | 1458 |
| 648 | economic policy | 10 | 142 | 1623 | 1530 |
| 649 | Neuroimaging | 4 | 141 | 292 | 206 |
| 649 | Dynamics | 8 | 141 | 1409 | 1193 |
| 649 | Infection control | 8 | 141 | 370 | 590 |
| 649 | nucleic acids | 11 | 141 | 1133 | 2132 |
| 649 | optical instruments | 4 | 141 | 429 | 362 |
| 649 | optical phenomena | 4 | 141 | 118 | 100 |
| 655 | Fluid Dynamics | 6 | 140 | 997 | 959 |
| 656 | sexual behavior | 11 | 138 | 299 | 589 |
| 656 | Liquid chromatography | 15 | 138 | 141 | 219 |
| 658 | Agriculture | 7 | 137 | 1863 | 2096 |
| 659 | individual differences | 2 | 136 | 368 | 284 |
| 659 | Chemical structure | 16 | 136 | 90 | 205 |
| 661 | Nephrology | 5 | 135 | 535 | 757 |
| 661 | Hemophilia | 10 | 135 | 271 | 381 |
| 663 | Microorganisms | 2 | 134 | 1755 | 1575 |
| 664 | Dietetics | 7 | 133 | 531 | 560 |
| 664 | ecosystem | 3 | 133 | 1623 | 1598 |
| 666 | Geriatric Nursing | 7 | 132 | 252 | 202 |
| 666 | Tribology | 12 | 132 | 648 | 1024 |
| 666 | Ichthyology | 12 | 132 | 155 | 227 |
| 666 | particles | 11 | 132 | 418 | 801 |
| 666 | Fish | 12 | 132 | 110 | 201 |
| 671 | women | 11 | 131 | 348 | 374 |
| 672 | Political Science | 6 | 130 | 1526 | 1121 |
| 672 | Herbal medicine | 6 | 130 | 474 | 813 |
| 674 | Kinetics | 6 | 129 | 354 | 343 |
| 674 | Orthopedic Surgery | 13 | 129 | 376 | 801 |
| 674 | Telecommunication | 11 | 129 | 1362 | 1580 |
| 677 | Human biology | 11 | 128 | 301 | 470 |
| 678 | Telecommunication Systems | 5 | 127 | 1489 | 1179 |
| 679 | starch | 6 | 126 | 213 | 263 |
| 680 | technical education | 9 | 125 | 220 | 320 |
| 681 | Entrepreneurship | 2 | 124 | 1451 | 1102 |
| 682 | Linguistics | 10 | 122 | 951 | 944 |
| 682 | Visual Communication | 3 | 122 | 527 | 264 |
| 682 | Biogeochemistry | 5 | 122 | 1013 | 1384 |
| 682 | Image enhancement | 3 | 122 | 360 | 246 |
| 682 | Neuropharmacology | 3 | 122 | 803 | 615 |
| 682 | Phylogeny | 4 | 122 | 902 | 1129 |
| 688 | Structural dynamics | 3 | 121 | 1252 | 1158 |
| 688 | Systems Biology | 5 | 121 | 1545 | 1678 |
| 688 | Regional Planning | 3 | 121 | 1811 | 1285 |
| 688 | vibration | 3 | 121 | 1491 | 1100 |
| 688 | pain management | 6 | 121 | 511 | 631 |
| 693 | sleep-wake cycle | 7 | 120 | 38 | 28 |
| 693 | venom | 7 | 120 | 529 | 766 |
| 693 | Toxins | 7 | 120 | 595 | 840 |
| 696 | Automation | 8 | 119 | 1387 | 1676 |
| 696 | Neurotoxicology | 5 | 119 | 459 | 643 |
| 698 | Structural Engineering | 8 | 118 | 1185 | 1413 |
| 698 | Early Childhood Education | 14 | 118 | 220 | 385 |
| 700 | Patient education | 3 | 117 | 699 | 719 |
| 700 | Antioxidants | 5 | 117 | 665 | 1138 |
| 700 | Happiness | 3 | 117 | 478 | 414 |
| 700 | vitamin C | 5 | 117 | 289 | 500 |
| 700 | vitamin E | 5 | 117 | 289 | 500 |
| 700 | eugenics | 2 | 117 | 883 | 534 |
| 706 | artificial cells | 10 | 116 | 24 | 40 |
| 707 | Chemical processes | 6 | 115 | 456 | 475 |
| 708 | Applied Linguistics | 9 | 114 | 298 | 381 |
| 708 | Drug delivery devices | 3 | 114 | 168 | 256 |
| 710 | Plant Morphology | 12 | 113 | 225 | 478 |
| 710 | Aquatic ecology | 3 | 113 | 1151 | 903 |
| 712 | Learning | 2 | 112 | 1894 | 1339 |
| 713 | Language Disorders | 23 | 111 | 265 | 731 |
| 713 | Speech Disorders | 23 | 111 | 351 | 946 |
| 713 | scientific research | 10 | 111 | 19 | 25 |
| 713 | paraphilias | 3 | 111 | 190 | 176 |
| 713 | Marriage counseling | 3 | 111 | 340 | 296 |
| 718 | Global Health | 10 | 110 | 581 | 855 |
| 718 | International Relations | 5 | 110 | 1078 | 689 |
| 718 | Cosmochemistry | 5 | 110 | 843 | 1029 |
| 718 | peptides | 8 | 110 | 579 | 736 |
| 722 | Special Education | 14 | 108 | 306 | 542 |
| 722 | Internet of Things | 2 | 108 | 1143 | 632 |
| 722 | occupational health and safety | 10 | 108 | 102 | 164 |
| 722 | Eating Disorders | 13 | 108 | 431 | 923 |
| 722 | computer networks | 11 | 108 | 1463 | 2152 |
| 727 | Adhesion | 19 | 107 | 99 | 524 |
| 727 | textile fibers | 6 | 107 | 279 | 231 |
| 727 | adhesives | 19 | 107 | 116 | 531 |
| 730 | Sustainable Engineering | 3 | 106 | 1963 | 1946 |
| 730 | Fracture mechanics | 3 | 106 | 1628 | 1355 |
| 732 | Clinical Psychology | 10 | 105 | 880 | 1844 |
| 732 | Green Chemistry | 3 | 105 | 1998 | 2237 |
| 732 | Animal health | 4 | 105 | 465 | 252 |
| 732 | lasers | 9 | 105 | 1271 | 1551 |
| 736 | Water quality | 3 | 103 | 217 | 156 |
| 736 | Cell division | 2 | 103 | 849 | 656 |
| 736 | cardiac catheterization | 5 | 103 | 808 | 736 |
| 736 | Water chemistry | 3 | 103 | 362 | 239 |
| 740 | Fishery management | 4 | 102 | 884 | 793 |
| 740 | Mass Spectrometry | 7 | 102 | 933 | 1258 |
| 740 | Leukemia | 14 | 102 | 648 | 1417 |
| 740 | breastfeeding | 8 | 102 | 260 | 484 |
| 740 | Consumer education | 5 | 102 | 217 | 406 |
| 740 | freshwater biology | 5 | 102 | 824 | 951 |
| 740 | Aquaculture | 4 | 102 | 1501 | 1441 |
| 747 | Mental Health Services | 6 | 101 | 1043 | 1248 |
| 748 | Gender Studies | 5 | 100 | 384 | 425 |
| 748 | Ocean Engineering | 3 | 100 | 1845 | 1755 |
| 748 | Phytotherapy | 9 | 100 | 411 | 969 |
| 751 | curriculum evaluation | 8 | 98 | 158 | 306 |
| 752 | nursing education | 2 | 97 | 210 | 85 |
| 752 | Cognitive Science | 4 | 97 | 1557 | 1769 |
| 752 | Travel | 6 | 97 | 628 | 758 |
| 752 | dietary supplements | 5 | 97 | 610 | 945 |
| 752 | Birds | 9 | 97 | 823 | 996 |
| 752 | Quantum theory | 5 | 97 | 960 | 954 |
| 758 | Radiation Oncology | 2 | 95 | 559 | 429 |
| 758 | Biodegradation | 2 | 95 | 1108 | 962 |
| 758 | immigration | 2 | 95 | 295 | 229 |
| 758 | migration policy | 2 | 95 | 309 | 237 |
| 758 | Asylum seeker | 2 | 95 | 245 | 226 |
| 763 | Physical organic chemistry | 7 | 94 | 1102 | 1388 |
| 763 | Heterocyclic chemistry | 5 | 94 | 430 | 228 |
| 763 | solar power | 7 | 94 | 556 | 1175 |
| 763 | Ceramic materials | 6 | 94 | 1110 | 1374 |
| 763 | Luminescence | 12 | 94 | 651 | 1222 |
| 763 | solar cells | 7 | 94 | 632 | 1289 |
| 769 | Computational Chemistry | 6 | 93 | 539 | 810 |
| 769 | Neurogenetics | 3 | 93 | 354 | 388 |
| 769 | Ornithology | 8 | 93 | 717 | 852 |
| 769 | Food preferences | 5 | 93 | 281 | 479 |
| 769 | Radiation effects | 1 | 93 | 1283 | 842 |
| 774 | Health Services Research | 9 | 92 | 1156 | 1894 |
| 774 | Photochemistry | 10 | 92 | 1111 | 2033 |
| 774 | Language and Education | 5 | 92 | 95 | 86 |
| 777 | Electrical Engineering | 14 | 90 | 2052 | 2439 |
| 777 | Synthetic biology | 2 | 90 | 484 | 385 |
| 777 | Feeding and Eating Disorders | 11 | 90 | 444 | 979 |
| 777 | Elderly | 11 | 90 | 729 | 812 |
| 777 | mammals | 9 | 90 | 662 | 1107 |
| 782 | Investment analysis | 3 | 89 | 917 | 842 |
| 782 | amino acids | 4 | 89 | 558 | 763 |
| 784 | Fire ecology | 1 | 88 | 157 | 93 |
| 784 | Mitochondria | 3 | 88 | 361 | 414 |
| 784 | cross-cultural comparison | 5 | 88 | 394 | 506 |
| 787 | Hormones | 8 | 87 | 959 | 1740 |
| 788 | Menopause | 4 | 86 | 279 | 364 |
| 789 | Groundwater | 4 | 85 | 694 | 731 |
| 790 | marketing | 4 | 84 | 1831 | 2002 |
| 791 | Computational Complexity | 3 | 83 | 1316 | 845 |
| 791 | Proteome | 4 | 83 | 1290 | 1778 |
| 793 | Systems Theory | 5 | 82 | 485 | 364 |
| 793 | Economic Development | 5 | 82 | 1537 | 2128 |
| 793 | Action Research | 5 | 82 | 149 | 151 |
| 793 | Electroconvulsive therapy | 5 | 82 | 66 | 97 |
| 797 | Biogeography | 1 | 81 | 1748 | 1578 |
| 797 | Chromosome mapping | 3 | 81 | 2328 | 2776 |
| 797 | Population | 2 | 81 | 1548 | 1182 |
| 797 | disaster relief | 1 | 81 | 547 | 247 |
| 801 | Nutrition physiology | 13 | 80 | 293 | 1007 |
| 801 | drug resistance | 4 | 80 | 694 | 1019 |
| 801 | blood substitutes | 4 | 80 | 59 | 49 |
| 801 | Peroxisomes | 1 | 80 | 223 | 116 |
| 805 | Oceanography | 3 | 79 | 2095 | 2092 |
| 805 | Queer Studies | 3 | 79 | 279 | 334 |
| 805 | homosexuality | 3 | 79 | 425 | 438 |
| 805 | alcoholism | 7 | 79 | 1091 | 1814 |
| 805 | Acarology | 4 | 79 | 261 | 305 |
| 805 | Mites | 5 | 79 | 360 | 364 |
| 805 | Ticks | 5 | 79 | 247 | 309 |
| 805 | Acari | 4 | 79 | 256 | 301 |
| 813 | Photobiology | 7 | 78 | 1026 | 1717 |
| 813 | Porous materials | 7 | 78 | 464 | 705 |
| 813 | Microstructure | 8 | 78 | 501 | 757 |
| 813 | Post-traumatic stress disorder | 3 | 78 | 862 | 983 |
| 817 | Signal Transduction | 4 | 77 | 1486 | 2125 |
| 817 | Bibliometrics | 2 | 77 | 188 | 203 |
| 817 | Reproductive toxicology | 5 | 77 | 369 | 641 |
| 817 | Family Therapy | 10 | 77 | 384 | 689 |
| 817 | protein | 7 | 77 | 979 | 1535 |
| 817 | Pakistan | 11 | 77 | 166 | 158 |
| 823 | Astronomy | 7 | 76 | 2360 | 3185 |
| 823 | child mental health | 8 | 76 | 260 | 483 |
| 823 | reasoning | 8 | 76 | 149 | 412 |
| 823 | men | 1 | 76 | 686 | 302 |
| 827 | Physical Geography | 5 | 75 | 471 | 595 |
| 827 | Proteomics | 3 | 75 | 1406 | 1793 |
| 827 | Cosmology | 11 | 75 | 900 | 1216 |
| 827 | Obsessive-Compulsive Disorder | 5 | 75 | 81 | 98 |
| 827 | food industry | 8 | 75 | 313 | 668 |
| 827 | Leisure | 2 | 75 | 499 | 391 |
| 833 | Nanochemistry | 6 | 74 | 1002 | 1445 |
| 834 | Systems Engineering | 9 | 73 | 1442 | 2101 |
| 834 | Combinatorial chemistry | 16 | 73 | 293 | 1328 |
| 834 | nuclear magnetic resonance | 8 | 73 | 821 | 1181 |
| 834 | Magnetic Resonance Spectroscopy | 8 | 73 | 891 | 1278 |
| 834 | Youth | 5 | 73 | 539 | 848 |
| 839 | Plant Taxonomy | 6 | 72 | 331 | 494 |
| 839 | Ethnoarchaeology | 2 | 72 | 252 | 246 |
| 839 | hospice care | 1 | 72 | 1224 | 594 |
| 839 | Evidence-Based Medicine | 4 | 72 | 1265 | 1513 |
| 839 | Lymphatic system | 4 | 72 | 80 | 108 |
| 839 | DNS | 6 | 72 | 338 | 726 |
| 839 | visualization | 10 | 72 | 924 | 986 |
| 839 | cell physiology | 3 | 72 | 1847 | 2413 |
| 839 | DNA | 6 | 72 | 421 | 740 |
| 848 | Planets | 2 | 71 | 2074 | 2258 |
| 849 | Cardiovascular Pharmacology | 1 | 70 | 683 | 396 |
| 849 | Animal Behavior | 3 | 70 | 2194 | 2681 |
| 849 | cell interaction | 3 | 70 | 1423 | 1797 |
| 849 | Fibers | 3 | 70 | 121 | 50 |
| 849 | synthesis | 10 | 70 | 590 | 948 |
| 854 | Atherosclerosis | 6 | 69 | 108 | 306 |
| 854 | biochemical markers | 8 | 69 | 443 | 1021 |
| 856 | Actuarial Science | 10 | 68 | 100 | 280 |
| 856 | preventive medicine | 6 | 68 | 1103 | 1940 |
| 858 | speech therapy | 10 | 67 | 215 | 447 |
| 858 | Sites | 4 | 67 | 529 | 893 |
| 858 | energy development | 3 | 67 | 1016 | 1329 |
| 861 | Learning disabilities | 13 | 66 | 358 | 917 |
| 861 | blood transfusion | 3 | 66 | 955 | 946 |
| 861 | color | 6 | 66 | 156 | 250 |
| 861 | United Kingdom | 6 | 66 | 1372 | 2323 |
| 861 | Pancreatic diseases | 3 | 66 | 544 | 480 |
| 866 | Developmental Psychology | 7 | 65 | 739 | 1381 |
| 866 | Functional foods | 3 | 65 | 420 | 564 |
| 866 | Structure-activity relationship | 14 | 65 | 80 | 504 |
| 869 | Robotics | 6 | 64 | 1400 | 1936 |
| 869 | Cognition | 8 | 64 | 1183 | 2110 |
| 871 | Sociolinguistics | 1 | 63 | 833 | 459 |
| 871 | Mycotoxins | 5 | 63 | 120 | 181 |
| 871 | calcification | 6 | 63 | 409 | 862 |
| 871 | Metallography | 1 | 63 | 1576 | 1099 |
| 871 | population policy | 1 | 63 | 335 | 218 |
| 876 | Ethology | 2 | 62 | 2040 | 2373 |
| 877 | Greenhouse gases | 3 | 61 | 383 | 638 |
| 877 | Developmental Neurobiology | 8 | 61 | 279 | 767 |
| 877 | Granular materials | 4 | 61 | 525 | 901 |
| 877 | Jurisprudence | 5 | 61 | 839 | 1033 |
| 881 | Otolaryngology | 7 | 60 | 407 | 781 |
| 881 | Maternal health services | 6 | 60 | 276 | 635 |
| 881 | Hematopoietic stem cell transplantation | 5 | 60 | 348 | 837 |
| 881 | Randomized Controlled Trials | 3 | 60 | 1479 | 1419 |
| 881 | training | 5 | 60 | 54 | 26 |
| 881 | recreation | 3 | 60 | 745 | 642 |
| 887 | Adult Education | 8 | 59 | 293 | 509 |
| 887 | Human Capital | 1 | 59 | 589 | 373 |
| 887 | Histocompatibility Testing | 5 | 59 | 511 | 763 |
| 887 | body temperature | 4 | 59 | 438 | 658 |
| 887 | Imaging systems | 10 | 59 | 342 | 749 |
| 892 | Microelectronics | 7 | 58 | 1496 | 2463 |
| 893 | Geotechnical Engineering | 4 | 57 | 676 | 863 |
| 893 | Thermodynamics | 3 | 57 | 1486 | 1161 |
| 893 | Tourism | 4 | 57 | 1594 | 2195 |
| 896 | Software Maintenance | 11 | 56 | 28 | 176 |
| 896 | Plant breeding | 1 | 56 | 1684 | 1180 |
| 896 | sadness | 8 | 56 | 71 | 244 |
| 896 | disease outbreaks | 2 | 56 | 834 | 1029 |
| 896 | Epidemics | 2 | 56 | 803 | 1014 |
| 896 | Cerebellum | 5 | 56 | 212 | 462 |
| 896 | child abuse | 4 | 56 | 778 | 1303 |
| 896 | death | 8 | 56 | 116 | 296 |
| 896 | Suicide | 8 | 56 | 324 | 770 |
| 896 | antisocial personality disorder | 8 | 56 | 71 | 244 |
| 896 | Cerebellar ataxia | 5 | 56 | 212 | 462 |
| 907 | Multimedia Systems | 5 | 55 | 1573 | 1865 |
| 907 | ethanol | 3 | 55 | 572 | 718 |
| 907 | Steroids | 3 | 55 | 1182 | 1475 |
| 907 | Decision making | 7 | 55 | 1041 | 2013 |
| 911 | Telecommunications | 3 | 54 | 980 | 889 |
| 911 | Particle Physics | 9 | 54 | 533 | 820 |
| 911 | health behavior | 2 | 54 | 1446 | 1498 |
| 911 | Social policy | 4 | 54 | 993 | 1162 |
| 911 | Brachytherapy | 2 | 54 | 338 | 234 |
| 916 | Evolutionary Computation | 1 | 53 | 879 | 643 |
| 916 | Swarm Intelligence | 1 | 53 | 617 | 497 |
| 916 | Microwaves | 11 | 53 | 677 | 985 |
| 916 | Scanning electron microscopy | 4 | 53 | 115 | 201 |
| 920 | Research Design | 1 | 52 | 2568 | 1978 |
| 920 | crops | 2 | 52 | 229 | 142 |
| 920 | plant communities | 1 | 52 | 1902 | 1815 |
| 920 | plant oils | 7 | 52 | 160 | 310 |
| 924 | Molecular Pharmacology | 4 | 51 | 832 | 1466 |
| 924 | Diagnosis | 3 | 51 | 751 | 890 |
| 924 | Gene expression regulation | 4 | 51 | 1064 | 1704 |
| 924 | animals | 4 | 51 | 1358 | 1560 |
| 928 | Social Change | 2 | 50 | 1395 | 1863 |
| 928 | Malaria | 2 | 50 | 1072 | 1178 |
| 930 | Geriatric Medicine | 5 | 49 | 95 | 262 |
| 930 | Clinical Laboratory Science | 8 | 49 | 122 | 334 |
| 930 | soil conservation | 1 | 49 | 1636 | 1295 |
| 930 | Chemical kinetics | 5 | 49 | 669 | 767 |
| 930 | Intelligent Control Systems | 8 | 49 | 678 | 1129 |
| 930 | land degradation | 1 | 49 | 1095 | 913 |
| 930 | plant molecular biology | 2 | 49 | 2119 | 2664 |
| 930 | degradation | 1 | 49 | 1095 | 913 |
| 938 | Aerospace Engineering | 1 | 48 | 931 | 390 |
| 938 | Bioenergetics | 4 | 48 | 853 | 1475 |
| 938 | Geographic information systems | 7 | 48 | 763 | 1360 |
| 938 | Corporate governance | 1 | 48 | 1202 | 951 |
| 938 | Water Microbiology | 1 | 48 | 1115 | 858 |
| 938 | Vocational guidance | 5 | 48 | 703 | 1218 |
| 938 | vascular diseases | 4 | 48 | 748 | 1326 |
| 938 | Mountains | 4 | 48 | 369 | 443 |
| 938 | Fouling | 1 | 48 | 568 | 517 |
| 947 | Horticulture | 1 | 47 | 1605 | 1034 |
| 947 | Technological Innovations | 1 | 47 | 2153 | 1599 |
| 947 | Bones | 5 | 47 | 886 | 1597 |
| 950 | Pharmacogenetics | 5 | 46 | 974 | 1974 |
| 950 | Regenerative Medicine | 3 | 46 | 149 | 182 |
| 950 | Urban Transportation | 3 | 46 | 195 | 215 |
| 950 | behavior therapy | 6 | 46 | 622 | 1291 |
| 954 | Applied Mathematics | 14 | 45 | 308 | 642 |
| 954 | Radiopharmaceuticals | 1 | 45 | 828 | 365 |
| 954 | Amyloidosis | 3 | 45 | 140 | 258 |
| 954 | irreversible processes | 1 | 45 | 78 | 43 |
| 954 | Nonequilibrium thermodynamics | 1 | 45 | 78 | 43 |
| 954 | international cooperation | 8 | 45 | 331 | 1045 |
| 960 | Thin Films | 5 | 44 | 477 | 762 |
| 960 | Energy Consumption | 1 | 44 | 575 | 381 |
| 960 | Lymphoma | 8 | 44 | 312 | 477 |
| 960 | Multiple Myeloma | 8 | 44 | 306 | 461 |
| 960 | Osteoporosis | 4 | 44 | 330 | 616 |
| 960 | children | 8 | 44 | 310 | 844 |
| 966 | Quality Management | 4 | 43 | 140 | 234 |
| 966 | Microcirculation | 5 | 43 | 379 | 869 |
| 966 | Industrial Policy | 1 | 43 | 967 | 777 |
| 966 | global environmental change | 3 | 43 | 1037 | 1732 |
| 966 | innovation | 1 | 43 | 1186 | 1142 |
| 966 | Detectors | 7 | 43 | 711 | 1187 |
| 966 | Economic planning | 3 | 43 | 536 | 827 |
| 973 | Chronobiology | 7 | 42 | 248 | 760 |
| 973 | War | 4 | 42 | 172 | 286 |
| 973 | biological clocks | 7 | 42 | 248 | 760 |
| 973 | monoclonal antibodies | 6 | 42 | 150 | 473 |
| 973 | Ultrasonics | 2 | 42 | 1581 | 2059 |
| 973 | circadian rhythm | 7 | 42 | 248 | 760 |
| 973 | biological rhythms | 7 | 42 | 218 | 749 |
| 973 | environmental issues | 2 | 42 | 669 | 903 |
| 981 | Voice Disorders | 4 | 41 | 42 | 90 |
| 981 | Control Theory | 3 | 41 | 2029 | 2014 |
| 981 | Erectile dysfunction | 10 | 41 | 86 | 432 |
| 981 | isomerism | 3 | 41 | 380 | 495 |
| 981 | Information society | 2 | 41 | 220 | 250 |
| 981 | India | 4 | 41 | 1831 | 1583 |
| 981 | Chirality | 3 | 41 | 380 | 495 |
| 988 | Nanoelectronics | 3 | 40 | 1034 | 1090 |
| 988 | Organizational change | 2 | 40 | 1037 | 1063 |
| 988 | Circadian rhythms | 5 | 40 | 224 | 700 |
| 988 | infrared radiation | 4 | 40 | 606 | 865 |
| 992 | Humanities | 10 | 39 | 1130 | 1946 |
| 992 | Language Acquisition | 8 | 39 | 243 | 633 |
| 992 | Adsorption | 1 | 39 | 517 | 377 |
| 992 | civilization | 7 | 39 | 1034 | 643 |
| 996 | Medical innovations | 5 | 38 | 944 | 2737 |
| 996 | Social support | 1 | 38 | 392 | 394 |
| 996 | Social environment | 1 | 38 | 471 | 447 |
| 996 | libraries | 5 | 38 | 631 | 690 |
| 996 | child behavior | 6 | 38 | 273 | 723 |