| 1 | Medicine | 1,612 | 35.0K | 221 | 528 |
| 2 | Science | 688 | 27.1K | 526 | 1006 |
| 3 | Biology | 328 | 23.6K | 1001 | 1073 |
| 4 | Human genetics | 78 | 20.5K | 463 | 362 |
| 5 | Molecular Biology | 521 | 18.2K | 544 | 778 |
| 6 | Research | 824 | 17.5K | 319 | 526 |
| 7 | Biochemistry | 540 | 16.1K | 784 | 965 |
| 8 | Neurology | 573 | 15.6K | 335 | 645 |
| 9 | Physics | 121 | 15.2K | 2324 | 1614 |
| 10 | Cancer | 373 | 12.5K | 212 | 338 |
| 11 | Chemistry | 257 | 11.1K | 1433 | 1394 |
| 12 | Natural history | 11 | 9.8K | 2917 | 1215 |
| 13 | Immunology | 191 | 9.7K | 507 | 538 |
| 14 | Cytology | 113 | 8.5K | 827 | 806 |
| 15 | Nutrition | 197 | 8.4K | 357 | 347 |
| 16 | Liver diseases | 112 | 8.1K | 152 | 176 |
| 17 | Oncology | 103 | 8.0K | 232 | 303 |
| 18 | Cell Biology | 93 | 8.0K | 861 | 827 |
| 19 | Psychiatry | 192 | 7.9K | 468 | 550 |
| 20 | Hematology | 540 | 7.8K | 210 | 439 |
| 21 | Microbiology | 224 | 7.7K | 812 | 1090 |
| 22 | Virology | 63 | 7.7K | 794 | 663 |
| 23 | Pharmacology | 311 | 7.6K | 471 | 618 |
| 24 | Biocompatible Materials | 117 | 7.4K | 581 | 494 |
| 25 | Medical genetics | 105 | 7.3K | 557 | 471 |
| 26 | Biophysics | 305 | 7.3K | 557 | 681 |
| 27 | Metabolism | 148 | 6.3K | 342 | 461 |
| 28 | Immunity | 53 | 5.9K | 495 | 449 |
| 29 | Aging | 100 | 5.9K | 424 | 252 |
| 30 | Nanotechnology | 55 | 5.5K | 1493 | 888 |
| 31 | Metabolic diseases | 94 | 5.1K | 411 | 451 |
| 32 | Nervous system | 114 | 4.9K | 262 | 361 |
| 33 | Genetics | 34 | 4.8K | 1522 | 856 |
| 34 | Diet | 77 | 4.5K | 338 | 308 |
| 35 | Endocrinology | 117 | 4.3K | 500 | 669 |
| 36 | Pediatric Neurology | 61 | 4.1K | 148 | 205 |
| 37 | Critical Care Medicine | 92 | 4.1K | 187 | 318 |
| 38 | Critical Care | 87 | 4.0K | 202 | 325 |
| 39 | Toxicology | 127 | 3.9K | 670 | 755 |
| 40 | Orthopedics | 148 | 3.9K | 82 | 139 |
| 41 | Diagnostic Imaging | 152 | 3.9K | 94 | 160 |
| 42 | Pathology | 138 | 3.8K | 239 | 418 |
| 43 | Diabetes | 101 | 3.8K | 342 | 481 |
| 44 | Biomedical Engineering | 176 | 3.8K | 412 | 633 |
| 45 | Surgery | 98 | 3.8K | 298 | 555 |
| 46 | Biotechnology | 124 | 3.7K | 970 | 1369 |
| 47 | Stem cells | 100 | 3.5K | 124 | 178 |
| 48 | Allergy | 47 | 3.4K | 257 | 348 |
| 49 | Cardiovascular diseases | 147 | 3.4K | 72 | 114 |
| 50 | Ophthalmology | 141 | 3.3K | 156 | 242 |
| 51 | drug therapy | 151 | 3.3K | 205 | 326 |
| 52 | Epidemiology | 114 | 3.3K | 523 | 623 |
| 53 | Clinical Chemistry | 170 | 3.3K | 188 | 464 |
| 54 | Public Health | 132 | 3.2K | 799 | 1035 |
| 55 | Cardiovascular system | 72 | 3.1K | 300 | 482 |
| 56 | Obstetrics | 79 | 3.0K | 501 | 349 |
| 57 | Clinical Biochemistry | 80 | 3.0K | 103 | 71 |
| 58 | Geriatrics | 99 | 2.9K | 444 | 449 |
| 59 | Environmental Health | 49 | 2.8K | 1516 | 1210 |
| 60 | Diabetes mellitus | 60 | 2.8K | 467 | 573 |
| 61 | Hypertension | 62 | 2.8K | 337 | 474 |
| 62 | Mental illness | 35 | 2.8K | 613 | 459 |
| 63 | Medical Microbiology | 78 | 2.7K | 371 | 569 |
| 64 | Immune system | 29 | 2.7K | 277 | 385 |
| 65 | Immunotherapy | 32 | 2.7K | 529 | 396 |
| 66 | Emergency Medicine | 201 | 2.7K | 56 | 128 |
| 67 | free radicals | 20 | 2.6K | 601 | 254 |
| 68 | nanoscience | 14 | 2.6K | 1645 | 708 |
| 69 | Mental Disorders | 64 | 2.5K | 632 | 763 |
| 70 | Psychology | 74 | 2.5K | 1031 | 967 |
| 71 | Physiology | 86 | 2.4K | 899 | 1092 |
| 72 | Urology | 128 | 2.4K | 220 | 402 |
| 73 | Diagnostic microbiology | 40 | 2.4K | 270 | 351 |
| 74 | Obesity | 81 | 2.3K | 306 | 464 |
| 75 | Therapeutics | 74 | 2.2K | 247 | 378 |
| 76 | Psychopharmacology | 49 | 2.2K | 378 | 413 |
| 77 | Nuclear Medicine | 99 | 2.2K | 86 | 165 |
| 78 | Cell differentiation | 38 | 2.2K | 518 | 622 |
| 79 | Oxidation-reduction | 10 | 2.1K | 448 | 151 |
| 80 | Molecular Imaging | 87 | 2.0K | 41 | 125 |
| 81 | Materials | 51 | 2.0K | 2064 | 1852 |
| 82 | Oxidative stress | 11 | 2.0K | 582 | 134 |
| 83 | Medical Oncology | 105 | 2.0K | 326 | 486 |
| 84 | Artificial Organs | 42 | 1.9K | 89 | 21 |
| 85 | Psychophysiology | 23 | 1.9K | 1363 | 889 |
| 86 | Geriatric Psychiatry | 48 | 1.8K | 142 | 118 |
| 87 | Environment | 17 | 1.8K | 2763 | 2045 |
| 88 | Rheumatology | 65 | 1.8K | 160 | 310 |
| 89 | Genetic engineering | 29 | 1.8K | 645 | 497 |
| 90 | Neurosurgery | 83 | 1.8K | 77 | 186 |
| 91 | rehabilitation | 74 | 1.7K | 294 | 413 |
| 92 | Sexual health | 50 | 1.7K | 97 | 64 |
| 93 | Transplantation | 82 | 1.7K | 181 | 368 |
| 94 | Neurophysiology | 42 | 1.6K | 1015 | 1143 |
| 95 | Bioengineering | 57 | 1.6K | 1056 | 1619 |
| 96 | Genetic regulation | 18 | 1.6K | 467 | 371 |
| 97 | Spine | 50 | 1.6K | 95 | 166 |
| 98 | cloning | 16 | 1.6K | 214 | 168 |
| 99 | Europe | 63 | 1.6K | 655 | 573 |
| 100 | Pharmaceutical Chemistry | 77 | 1.6K | 831 | 1211 |
| 101 | infection | 62 | 1.6K | 234 | 421 |
| 102 | Analytical Chemistry | 26 | 1.6K | 2057 | 1349 |
| 103 | Pediatrics | 71 | 1.6K | 517 | 896 |
| 104 | Genomics | 70 | 1.6K | 580 | 918 |
| 105 | Gerontology | 24 | 1.5K | 739 | 318 |
| 106 | arthritis | 45 | 1.5K | 313 | 484 |
| 107 | Environmental Toxicology | 6 | 1.5K | 2123 | 642 |
| 108 | Leukemia | 62 | 1.5K | 231 | 420 |
| 109 | Muscles | 59 | 1.5K | 70 | 170 |
| 110 | Chemotherapy | 90 | 1.4K | 104 | 259 |
| 111 | Cell death | 20 | 1.4K | 502 | 455 |
| 112 | Alzheimer's disease | 204 | 1.4K | 98 | 310 |
| 113 | Alternative Medicine | 44 | 1.4K | 282 | 202 |
| 114 | Dermatology | 123 | 1.4K | 175 | 462 |
| 115 | complementary therapies | 43 | 1.3K | 308 | 216 |
| 116 | Radiobiology | 100 | 1.3K | 291 | 470 |
| 117 | Vaccines | 40 | 1.3K | 469 | 483 |
| 118 | miniaturization | 10 | 1.3K | 1195 | 701 |
| 119 | Cell metabolism | 7 | 1.3K | 482 | 435 |
| 120 | Optical materials | 17 | 1.2K | 1347 | 929 |
| 121 | Homeostasis | 4 | 1.2K | 505 | 443 |
| 122 | Parasitic Diseases | 41 | 1.2K | 473 | 590 |
| 123 | Brain | 49 | 1.2K | 824 | 1072 |
| 124 | Food | 33 | 1.2K | 958 | 892 |
| 125 | Infections | 35 | 1.1K | 243 | 431 |
| 126 | Clinical Psychology | 4 | 1.1K | 1587 | 575 |
| 127 | Clinical Pharmacology | 64 | 1.1K | 179 | 322 |
| 127 | Parenteral nutrition | 17 | 1.1K | 475 | 357 |
| 129 | United States | 31 | 1.1K | 1948 | 1523 |
| 130 | Child | 73 | 1.1K | 403 | 664 |
| 131 | Reproduction | 54 | 1.1K | 556 | 758 |
| 132 | Digestive system diseases | 57 | 1.1K | 119 | 195 |
| 133 | Antigens | 39 | 1.1K | 128 | 196 |
| 134 | fertility | 33 | 1.1K | 370 | 417 |
| 135 | drugs | 60 | 1.1K | 334 | 541 |
| 136 | Sleep | 89 | 1.0K | 212 | 500 |
| 137 | Sleep Disorders | 89 | 1.0K | 205 | 496 |
| 138 | Child Development | 28 | 1.0K | 667 | 653 |
| 139 | Enteral nutrition | 11 | 1.0K | 498 | 289 |
| 140 | Infertility | 31 | 1.0K | 369 | 412 |
| 141 | Combinatorial chemistry | 7 | 1.0K | 605 | 228 |
| 142 | Orthopedic Surgery | 49 | 1.0K | 94 | 173 |
| 143 | biological factors | 26 | 990 | 542 | 462 |
| 144 | Oncogenes | 16 | 972 | 617 | 711 |
| 145 | Behavior | 36 | 958 | 999 | 1450 |
| 146 | medical education | 66 | 952 | 298 | 466 |
| 147 | Quality of life | 28 | 929 | 332 | 403 |
| 148 | Gastrointestinal diseases | 43 | 873 | 51 | 73 |
| 149 | Kidney diseases | 44 | 859 | 149 | 273 |
| 150 | Respiration | 34 | 853 | 428 | 599 |
| 151 | Asia | 70 | 834 | 293 | 432 |
| 152 | Phytotherapy | 19 | 828 | 199 | 123 |
| 153 | Immunogenetics | 21 | 827 | 210 | 173 |
| 154 | Materials Science | 26 | 823 | 2179 | 2149 |
| 155 | Cytogenetics | 6 | 820 | 1477 | 899 |
| 156 | Nursing | 44 | 818 | 326 | 327 |
| 157 | Long-Term Care | 20 | 817 | 145 | 199 |
| 157 | Long-term care facilities | 20 | 817 | 144 | 199 |
| 159 | Neurobiology | 18 | 803 | 950 | 1048 |
| 160 | Sarcopenia | 27 | 801 | 20 | 110 |
| 160 | Dementia | 176 | 801 | 109 | 379 |
| 162 | Antibacterial agents | 27 | 781 | 100 | 158 |
| 163 | Tropical Medicine | 40 | 775 | 349 | 430 |
| 164 | Nanostructures | 8 | 764 | 1606 | 887 |
| 165 | Physical Therapy | 39 | 756 | 287 | 509 |
| 166 | Health | 15 | 753 | 1189 | 774 |
| 167 | Pharmacy | 29 | 752 | 717 | 756 |
| 168 | Bone diseases | 13 | 749 | 153 | 232 |
| 169 | Tissue Engineering | 46 | 742 | 9 | 69 |
| 170 | Medical Laboratory Science | 32 | 737 | 533 | 839 |
| 171 | System analysis | 14 | 735 | 1271 | 659 |
| 171 | cardiac catheterization | 43 | 735 | 140 | 188 |
| 173 | Neurochemistry | 38 | 724 | 801 | 1242 |
| 174 | Pharmacogenetics | 33 | 723 | 209 | 423 |
| 175 | Information Systems | 14 | 711 | 577 | 347 |
| 176 | Biosensors | 13 | 700 | 589 | 644 |
| 176 | Bioelectronics | 13 | 700 | 486 | 575 |
| 178 | Surface Chemistry | 15 | 693 | 2213 | 1771 |
| 179 | Parasitology | 37 | 685 | 686 | 869 |
| 180 | Social Psychology | 3 | 682 | 2502 | 912 |
| 181 | Proteome | 6 | 678 | 1048 | 598 |
| 182 | Neuromuscular diseases | 32 | 676 | 127 | 248 |
| 183 | Contraception | 27 | 674 | 141 | 169 |
| 184 | biochemical markers | 20 | 667 | 161 | 101 |
| 185 | Neuropsychology | 22 | 658 | 1004 | 1061 |
| 186 | Regenerative Medicine | 43 | 648 | 6 | 9 |
| 187 | Andrology | 31 | 645 | 99 | 161 |
| 188 | Polymers | 29 | 637 | 2069 | 2135 |
| 189 | Colloids | 14 | 635 | 2223 | 1930 |
| 190 | Signal Transduction | 16 | 624 | 634 | 807 |
| 191 | Radiology | 45 | 623 | 321 | 467 |
| 191 | food technology | 16 | 623 | 1215 | 1103 |
| 193 | pain | 32 | 606 | 401 | 753 |
| 194 | Medical Technology | 54 | 594 | 167 | 566 |
| 195 | Medical innovations | 15 | 575 | 409 | 896 |
| 196 | Proteomics | 10 | 573 | 659 | 542 |
| 197 | Spectrum analysis | 22 | 569 | 2255 | 2277 |
| 198 | epilepsy | 32 | 568 | 193 | 334 |
| 199 | Mental Health | 19 | 566 | 640 | 506 |
| 200 | Clinical Immunology | 27 | 554 | 400 | 582 |
| 201 | Biomechanics | 28 | 550 | 387 | 627 |
| 202 | Lipids | 7 | 539 | 1087 | 739 |
| 203 | software | 20 | 528 | 179 | 306 |
| 204 | X-rays | 31 | 525 | 82 | 108 |
| 205 | drug development | 15 | 521 | 400 | 872 |
| 206 | Immunopathology | 21 | 514 | 584 | 739 |
| 206 | carcinogens | 12 | 514 | 500 | 518 |
| 208 | Primary health care | 30 | 503 | 479 | 658 |
| 209 | Food Microbiology | 8 | 500 | 855 | 717 |
| 210 | Bones | 19 | 493 | 374 | 504 |
| 211 | Genetic therapy | 31 | 481 | 327 | 799 |
| 212 | Psychosomatic Medicine | 9 | 480 | 536 | 461 |
| 213 | Electrophoresis | 18 | 478 | 677 | 702 |
| 214 | Sports Medicine | 27 | 477 | 975 | 1127 |
| 215 | Chronic diseases | 6 | 475 | 621 | 523 |
| 216 | cytokines | 18 | 472 | 464 | 632 |
| 217 | human behavior | 9 | 469 | 1690 | 1743 |
| 218 | Neurotoxicology | 9 | 466 | 273 | 207 |
| 219 | vascular diseases | 10 | 462 | 442 | 472 |
| 219 | cell interaction | 14 | 462 | 529 | 595 |
| 221 | viruses | 6 | 461 | 1414 | 1160 |
| 222 | stem cell transplantation | 54 | 458 | 5 | 8 |
| 223 | Adolescent | 34 | 457 | 580 | 978 |
| 224 | dietary supplements | 16 | 450 | 185 | 264 |
| 224 | Mental Health Services | 5 | 450 | 1236 | 477 |
| 226 | Antibodies | 20 | 447 | 183 | 330 |
| 226 | Women's health | 28 | 447 | 293 | 469 |
| 228 | Community Psychiatry | 13 | 446 | 484 | 500 |
| 229 | proteins | 9 | 442 | 1602 | 1173 |
| 230 | Bioethics | 9 | 440 | 534 | 221 |
| 231 | Thorax | 10 | 434 | 262 | 269 |
| 232 | tomography | 27 | 432 | 65 | 95 |
| 233 | Chemical Engineering | 22 | 424 | 2248 | 2876 |
| 233 | Radioisotopes | 10 | 424 | 747 | 312 |
| 235 | Pharmacognosy | 15 | 422 | 846 | 1041 |
| 236 | Computer Vision | 9 | 418 | 704 | 705 |
| 237 | Autism | 6 | 416 | 576 | 394 |
| 238 | Memory | 19 | 413 | 928 | 1183 |
| 239 | Respiratory system | 18 | 411 | 162 | 288 |
| 240 | Randomized Controlled Trials | 36 | 401 | 212 | 344 |
| 241 | Visual Perception | 19 | 398 | 833 | 1045 |
| 242 | Chemical analysis | 6 | 394 | 1009 | 528 |
| 243 | Developmental Biology | 8 | 388 | 1635 | 1669 |
| 244 | blood transfusion | 19 | 387 | 312 | 340 |
| 245 | Thrombosis | 19 | 383 | 491 | 733 |
| 246 | Inflammation | 16 | 382 | 507 | 787 |
| 246 | calcification | 12 | 382 | 246 | 318 |
| 248 | Medicinal plants | 13 | 380 | 660 | 824 |
| 249 | Virulence | 6 | 379 | 1037 | 1165 |
| 250 | Chromatographic analysis | 19 | 378 | 752 | 777 |
| 251 | cell physiology | 11 | 375 | 978 | 1259 |
| 252 | Carcinogenesis | 7 | 373 | 775 | 688 |
| 253 | Genetic markers | 2 | 369 | 435 | 25 |
| 254 | Antioxidants | 9 | 367 | 444 | 638 |
| 255 | Health Policy | 19 | 366 | 1023 | 1357 |
| 256 | Chromatography | 17 | 365 | 679 | 712 |
| 257 | Attention | 18 | 364 | 892 | 1169 |
| 257 | Perception | 18 | 364 | 962 | 1260 |
| 259 | Evidence-Based Medicine | 23 | 354 | 299 | 420 |
| 260 | Radiation | 8 | 352 | 1690 | 1039 |
| 260 | China | 19 | 352 | 1220 | 1335 |
| 262 | Child psychology | 11 | 350 | 899 | 1095 |
| 263 | Host-parasite interactions | 4 | 347 | 1395 | 1323 |
| 264 | occupational diseases | 15 | 346 | 391 | 509 |
| 265 | Herbal medicine | 4 | 344 | 664 | 358 |
| 266 | Psychiatric Epidemiology | 10 | 342 | 241 | 314 |
| 267 | Mycology | 11 | 339 | 1027 | 1036 |
| 267 | Pollution | 8 | 339 | 4363 | 4334 |
| 269 | Developing countries | 14 | 337 | 1158 | 1254 |
| 270 | Neuropsychiatry | 28 | 336 | 221 | 557 |
| 271 | Meteorology | 2 | 333 | 3382 | 1881 |
| 271 | Asthma | 13 | 333 | 270 | 258 |
| 273 | Robotics | 6 | 332 | 1353 | 832 |
| 273 | Medical Physics | 38 | 332 | 512 | 1028 |
| 275 | drug resistance | 17 | 324 | 136 | 339 |
| 276 | Immunotoxicology | 9 | 322 | 103 | 46 |
| 277 | Infection control | 21 | 320 | 164 | 328 |
| 277 | Functional foods | 8 | 320 | 162 | 125 |
| 279 | mutagens | 6 | 319 | 709 | 706 |
| 280 | Health Services Administration | 4 | 314 | 1172 | 564 |
| 281 | Electrophysiology | 20 | 311 | 438 | 548 |
| 282 | health workforce | 2 | 308 | 297 | 114 |
| 283 | air quality management | 8 | 307 | 242 | 232 |
| 283 | indoor air pollution | 8 | 307 | 168 | 196 |
| 283 | Ventilation | 8 | 307 | 261 | 227 |
| 283 | Sick building syndrome | 8 | 307 | 168 | 196 |
| 287 | voice | 28 | 305 | 66 | 178 |
| 288 | Biopharmaceutics | 9 | 304 | 740 | 730 |
| 289 | Retina | 3 | 301 | 178 | 307 |
| 289 | eye | 3 | 301 | 224 | 311 |
| 291 | Autoimmunity | 12 | 300 | 389 | 642 |
| 292 | Australia | 23 | 296 | 625 | 867 |
| 293 | Embryology | 18 | 293 | 793 | 1466 |
| 294 | Music | 27 | 290 | 170 | 288 |
| 295 | Technology | 10 | 289 | 3006 | 2547 |
| 296 | Nanostructured Materials | 12 | 288 | 2043 | 2299 |
| 297 | Image Processing | 12 | 284 | 1095 | 1262 |
| 298 | Environmental pollutants | 4 | 283 | 2445 | 1653 |
| 299 | Information Science | 9 | 279 | 1674 | 1579 |
| 300 | mycoses | 6 | 278 | 705 | 865 |
| 300 | sports injuries | 15 | 278 | 156 | 169 |
| 302 | Neurons | 2 | 276 | 1047 | 1232 |
| 303 | Immunopharmacology | 16 | 275 | 347 | 594 |
| 304 | Education | 19 | 266 | 1842 | 1814 |
| 304 | Nephrology | 6 | 266 | 498 | 554 |
| 304 | Animal Behavior | 4 | 266 | 2040 | 1647 |
| 307 | anesthesia | 26 | 264 | 79 | 114 |
| 308 | pain management | 13 | 263 | 258 | 364 |
| 309 | Adolescent Medicine | 4 | 261 | 650 | 761 |
| 309 | Palliative Care | 21 | 261 | 269 | 466 |
| 311 | Raman spectroscopy | 2 | 260 | 1203 | 411 |
| 312 | Systems Biology | 12 | 258 | 852 | 1080 |
| 313 | Microelectronics | 2 | 257 | 2527 | 1430 |
| 313 | Autoimmune diseases | 12 | 257 | 278 | 502 |
| 315 | Magnetic Resonance Imaging | 9 | 255 | 330 | 298 |
| 315 | Nanoparticles | 11 | 255 | 1084 | 1375 |
| 317 | Cerebral cortex | 2 | 254 | 1320 | 868 |
| 318 | gene therapy | 14 | 253 | 572 | 1103 |
| 319 | older people | 12 | 252 | 946 | 750 |
| 320 | infrared radiation | 2 | 251 | 931 | 161 |
| 321 | Elderly | 11 | 245 | 754 | 417 |
| 322 | Health Services Research | 23 | 241 | 579 | 1152 |
| 323 | Osteoporosis | 13 | 240 | 80 | 176 |
| 324 | Lung Transplantation | 14 | 238 | 403 | 444 |
| 324 | Heart transplantation | 14 | 238 | 403 | 444 |
| 326 | Botany | 5 | 236 | 3722 | 3211 |
| 327 | Autoantibodies | 11 | 235 | 268 | 502 |
| 328 | Neuropharmacology | 8 | 233 | 340 | 428 |
| 329 | environmental pollution | 5 | 230 | 4328 | 4010 |
| 330 | Developmental Disabilities | 5 | 229 | 915 | 844 |
| 331 | Photonics | 8 | 224 | 1259 | 1482 |
| 332 | Radiation Oncology | 13 | 223 | 136 | 232 |
| 332 | Biochemical Engineering | 15 | 223 | 1776 | 3660 |
| 332 | Diagnosis | 15 | 223 | 170 | 272 |
| 335 | Surface-Active Agents | 6 | 222 | 810 | 865 |
| 335 | Erectile dysfunction | 17 | 222 | 46 | 121 |
| 335 | Surface properties | 6 | 222 | 879 | 966 |
| 338 | Vision | 4 | 219 | 689 | 546 |
| 339 | Growth | 4 | 218 | 1303 | 1394 |
| 340 | Cell communication | 7 | 216 | 544 | 668 |
| 341 | Neural circuitry | 7 | 215 | 1425 | 1476 |
| 342 | Medical Imaging | 5 | 214 | 338 | 251 |
| 343 | Neonatology | 6 | 206 | 478 | 388 |
| 343 | Health Education | 13 | 206 | 1051 | 1343 |
| 345 | disease susceptibility | 11 | 205 | 110 | 163 |
| 345 | symptoms | 11 | 205 | 110 | 163 |
| 347 | Hemostasis | 10 | 204 | 513 | 591 |
| 348 | Cardiovascular Pharmacology | 11 | 201 | 94 | 149 |
| 349 | Hemodynamics | 6 | 194 | 539 | 786 |
| 350 | brain mapping | 9 | 193 | 430 | 750 |
| 351 | environmental exposure | 15 | 192 | 853 | 1677 |
| 351 | drug evaluation | 28 | 192 | 257 | 973 |
| 353 | Recombinant DNA | 13 | 191 | 808 | 1290 |
| 354 | Molecular Spectroscopy | 11 | 190 | 1019 | 1283 |
| 355 | disabilities | 10 | 188 | 379 | 506 |
| 356 | Computer Science | 8 | 187 | 1543 | 1130 |
| 356 | Hormones | 9 | 187 | 944 | 1335 |
| 358 | cell adhesion molecules | 6 | 186 | 346 | 439 |
| 359 | Environmental Engineering | 7 | 185 | 3236 | 3591 |
| 359 | Artificial Intelligence | 6 | 185 | 3244 | 2726 |
| 359 | Molecular cloning | 12 | 185 | 787 | 1234 |
| 359 | Genetic recombination | 12 | 185 | 774 | 1226 |
| 363 | Sports | 8 | 184 | 1528 | 1367 |
| 364 | Global Health | 4 | 183 | 1162 | 605 |
| 365 | Pharmacokinetics | 5 | 180 | 865 | 759 |
| 366 | embryo transfer | 14 | 178 | 163 | 330 |
| 366 | Cognition | 11 | 178 | 1018 | 1510 |
| 368 | Reproductive health | 5 | 177 | 696 | 587 |
| 369 | Ethology | 2 | 174 | 2175 | 1712 |
| 370 | histological techniques | 3 | 173 | 873 | 825 |
| 371 | Sociology | 7 | 172 | 2420 | 2384 |
| 371 | Hospitals | 12 | 172 | 340 | 532 |
| 373 | Drug delivery systems | 9 | 171 | 957 | 1572 |
| 373 | actuators | 10 | 171 | 1412 | 2074 |
| 373 | transducers | 10 | 171 | 1412 | 2074 |
| 376 | Medical Anthropology | 5 | 170 | 1201 | 1478 |
| 376 | liver | 7 | 170 | 184 | 202 |
| 378 | Anatomy | 10 | 169 | 1400 | 1878 |
| 379 | Magnetic Resonance Spectroscopy | 11 | 168 | 770 | 907 |
| 379 | pollutants | 2 | 168 | 2754 | 1915 |
| 381 | Microorganisms | 6 | 167 | 1023 | 1509 |
| 382 | Parasites | 11 | 166 | 960 | 1292 |
| 383 | preimplantation genetic diagnosis | 11 | 164 | 199 | 336 |
| 384 | Public Policy | 6 | 163 | 1496 | 1571 |
| 385 | Environmental Chemistry | 1 | 160 | 4062 | 2334 |
| 386 | nuclear magnetic resonance | 10 | 158 | 730 | 869 |
| 387 | hospice care | 10 | 157 | 271 | 332 |
| 387 | Japan | 9 | 157 | 1461 | 1334 |
| 389 | Molecular Genetics | 9 | 156 | 1486 | 2255 |
| 389 | Geriatric Oncology | 12 | 156 | 248 | 616 |
| 391 | Simulation | 4 | 155 | 151 | 133 |
| 391 | Astrocytes | 2 | 155 | 734 | 699 |
| 391 | theoretical models | 4 | 155 | 151 | 133 |
| 394 | Molecular structure | 2 | 154 | 3580 | 2196 |
| 395 | Emerging infectious diseases | 7 | 153 | 170 | 286 |
| 396 | rare diseases | 11 | 151 | 330 | 680 |
| 397 | Neuroendocrinology | 1 | 150 | 348 | 250 |
| 398 | Lymphoma | 41 | 149 | 124 | 215 |
| 398 | Multiple Myeloma | 41 | 149 | 122 | 201 |
| 398 | polymerization | 17 | 149 | 2215 | 3260 |
| 401 | Fluorescence spectroscopy | 9 | 148 | 111 | 182 |
| 402 | Bioorganic chemistry | 9 | 147 | 2104 | 2803 |
| 403 | Biomolecules | 5 | 145 | 344 | 533 |
| 403 | biopolymers | 5 | 145 | 1104 | 1107 |
| 405 | Ecology | 9 | 144 | 4970 | 7225 |
| 405 | Cerebellum | 10 | 144 | 103 | 274 |
| 405 | Cerebellar ataxia | 10 | 144 | 103 | 274 |
| 408 | Otolaryngology | 9 | 143 | 401 | 539 |
| 408 | Pharmacogenomics | 4 | 143 | 277 | 314 |
| 410 | Metabolic syndrome | 6 | 142 | 115 | 134 |
| 411 | Chronobiology | 4 | 141 | 378 | 322 |
| 411 | Organic Chemistry | 8 | 141 | 2565 | 2961 |
| 411 | biological clocks | 4 | 141 | 378 | 322 |
| 411 | embryonic development | 8 | 141 | 252 | 415 |
| 411 | circadian rhythm | 4 | 141 | 378 | 322 |
| 411 | biological rhythms | 4 | 141 | 350 | 319 |
| 417 | Circadian rhythms | 3 | 140 | 331 | 293 |
| 418 | Respiratory Therapy | 1 | 138 | 128 | 24 |
| 418 | Nanobiotechnology | 4 | 138 | 359 | 545 |
| 418 | gases | 1 | 138 | 128 | 24 |
| 421 | counseling | 7 | 137 | 1033 | 1153 |
| 421 | behavior therapy | 2 | 137 | 1222 | 807 |
| 423 | Cellular senescence | 7 | 133 | 450 | 929 |
| 424 | monitoring | 5 | 132 | 225 | 143 |
| 425 | Dentistry | 8 | 130 | 520 | 485 |
| 425 | Cell division | 7 | 130 | 326 | 597 |
| 425 | Evolution | 3 | 130 | 2375 | 2167 |
| 428 | Patient education | 6 | 129 | 499 | 749 |
| 428 | risk factors | 8 | 129 | 504 | 791 |
| 430 | Pediatric Dermatology | 11 | 128 | 218 | 316 |
| 430 | Emergency Medical Services | 19 | 128 | 212 | 633 |
| 432 | Clinical Trials | 21 | 127 | 149 | 520 |
| 433 | Computational Biology | 3 | 126 | 3927 | 3072 |
| 433 | Environmental monitoring | 7 | 126 | 3225 | 4532 |
| 433 | genome | 4 | 126 | 1828 | 2372 |
| 436 | Optics | 2 | 125 | 6330 | 3561 |
| 437 | Histology | 7 | 124 | 1566 | 2175 |
| 437 | behavioral medicine | 5 | 124 | 1236 | 1705 |
| 439 | Bacterial infections | 7 | 123 | 676 | 1358 |
| 439 | Flow cytometry | 5 | 123 | 332 | 440 |
| 441 | Oral Medicine | 7 | 122 | 440 | 396 |
| 441 | Lymphatic system | 8 | 122 | 39 | 78 |
| 443 | Fertilization | 3 | 120 | 76 | 75 |
| 443 | breastfeeding | 4 | 120 | 527 | 457 |
| 443 | gametes | 3 | 120 | 76 | 75 |
| 446 | drug addiction | 9 | 117 | 792 | 1364 |
| 446 | alcoholism | 9 | 117 | 1043 | 1660 |
| 448 | Coronary heart disease | 18 | 116 | 25 | 81 |
| 448 | Pancreatic diseases | 19 | 116 | 194 | 376 |
| 450 | scientific societies | 3 | 115 | 1050 | 875 |
| 450 | drug toxicity | 2 | 115 | 725 | 460 |
| 452 | Audiology | 12 | 114 | 462 | 840 |
| 452 | Photochemistry | 6 | 114 | 1531 | 1853 |
| 454 | Immunochemistry | 8 | 112 | 696 | 1063 |
| 454 | drug abuse | 4 | 112 | 680 | 635 |
| 456 | biomedicine | 7 | 111 | 579 | 936 |
| 456 | harm reduction | 3 | 111 | 233 | 181 |
| 458 | Organ transplantation | 14 | 110 | 176 | 314 |
| 459 | Cytokine | 3 | 109 | 496 | 646 |
| 460 | Environmental Microbiology | 2 | 108 | 2112 | 2051 |
| 461 | Genes | 22 | 107 | 307 | 1267 |
| 462 | Occupational Therapy | 12 | 106 | 500 | 640 |
| 462 | Public opinion | 1 | 106 | 858 | 434 |
| 462 | Health promotion | 8 | 106 | 1097 | 1731 |
| 465 | Clinical Laboratory Science | 8 | 105 | 138 | 199 |
| 465 | Occupational Health | 8 | 105 | 781 | 1006 |
| 467 | sanitation | 2 | 101 | 2265 | 2517 |
| 468 | Pharmaceutical Technology | 8 | 99 | 1091 | 1775 |
| 468 | Ultrasonics | 4 | 99 | 1066 | 1406 |
| 470 | Dietetics | 7 | 98 | 614 | 739 |
| 470 | Freeze-Drying | 4 | 98 | 512 | 393 |
| 470 | Hypothermia | 4 | 98 | 512 | 393 |
| 470 | Freeze Drying | 4 | 98 | 512 | 393 |
| 474 | Geriatric Pharmacology | 3 | 97 | 384 | 415 |
| 474 | Developmental Psychology | 1 | 97 | 1957 | 1270 |
| 474 | Genetic disorders | 2 | 97 | 823 | 695 |
| 474 | human development | 1 | 97 | 1456 | 954 |
| 478 | disease vectors | 8 | 96 | 632 | 1167 |
| 478 | United Kingdom | 4 | 96 | 1848 | 2193 |
| 480 | Travel | 10 | 95 | 441 | 821 |
| 480 | Malaria | 2 | 95 | 1138 | 906 |
| 480 | Ethnology | 2 | 95 | 2281 | 1153 |
| 483 | Biomarkers | 7 | 93 | 212 | 376 |
| 484 | environmental protection | 6 | 92 | 3160 | 4468 |
| 485 | Research Design | 8 | 91 | 866 | 1605 |
| 485 | Immunohistochemistry | 4 | 91 | 188 | 157 |
| 487 | Disease | 2 | 90 | 565 | 1068 |
| 488 | Vaccination | 3 | 89 | 288 | 351 |
| 488 | transport vesicles | 2 | 89 | 373 | 677 |
| 490 | Hemophilia | 8 | 88 | 358 | 535 |
| 491 | Melanoma | 2 | 87 | 356 | 355 |
| 491 | Respiratory Infections | 7 | 87 | 216 | 467 |
| 491 | Androgens | 3 | 87 | 299 | 381 |
| 491 | Decision making | 7 | 87 | 1060 | 1671 |
| 495 | Familial diseases | 4 | 86 | 221 | 265 |
| 496 | gene mapping | 6 | 85 | 1865 | 3216 |
| 497 | Environmental Policy | 5 | 84 | 3133 | 4713 |
| 497 | Environmental Law | 5 | 84 | 1034 | 2033 |
| 497 | Pituitary gland | 3 | 84 | 250 | 295 |
| 497 | Menopause | 6 | 84 | 208 | 390 |
| 501 | soil microbiology | 1 | 83 | 2781 | 2456 |
| 501 | Interferons | 2 | 83 | 467 | 385 |
| 503 | Integrative Medicine | 6 | 81 | 198 | 188 |
| 503 | nucleic acids | 5 | 81 | 1781 | 2713 |
| 505 | Information Technology | 6 | 80 | 2085 | 2387 |
| 505 | Agricultural Chemistry | 6 | 80 | 2079 | 2907 |
| 505 | Pediatric Nursing | 4 | 80 | 503 | 474 |
| 505 | Radiopharmaceuticals | 4 | 80 | 409 | 238 |
| 505 | Drug design | 7 | 80 | 1291 | 2333 |
| 505 | feeding behavior | 4 | 80 | 782 | 1114 |
| 505 | Appetite | 4 | 80 | 691 | 1001 |
| 505 | Influenza | 5 | 80 | 216 | 388 |
| 513 | preventive medicine | 6 | 79 | 1188 | 2022 |
| 513 | Plastics | 5 | 79 | 1574 | 1757 |
| 513 | Light | 5 | 79 | 951 | 1640 |
| 516 | Radiography | 3 | 78 | 827 | 917 |
| 516 | Bioinformatics | 2 | 78 | 3141 | 2809 |
| 518 | Anxiety Disorders | 3 | 77 | 634 | 1012 |
| 518 | Anxiety | 3 | 77 | 631 | 1011 |
| 520 | Educational Technology | 5 | 75 | 1324 | 1634 |
| 520 | Hematopoietic stem cell transplantation | 2 | 75 | 749 | 814 |
| 520 | visualization | 19 | 75 | 591 | 1008 |
| 520 | Pacific Islands | 16 | 75 | 73 | 232 |
| 520 | diseases | 1 | 75 | 831 | 1090 |
| 525 | Composite Materials | 4 | 74 | 2758 | 3475 |
| 526 | Ultrasonic Imaging | 3 | 73 | 622 | 668 |
| 526 | ovary | 6 | 73 | 107 | 258 |
| 526 | Ultrasound | 3 | 73 | 676 | 740 |
| 529 | Mechatronics | 2 | 72 | 1027 | 753 |
| 529 | Psychoneuroimmunology | 5 | 72 | 602 | 1266 |
| 529 | Neuroimmunology | 5 | 72 | 662 | 1371 |
| 529 | Synaptic Transmission | 8 | 72 | 305 | 782 |
| 529 | gene transfer | 4 | 72 | 254 | 417 |
| 529 | genetic transformation | 4 | 72 | 254 | 417 |
| 535 | Flexible electronics | 2 | 71 | 95 | 155 |
| 536 | Radiologic Technology | 6 | 70 | 82 | 105 |
| 536 | Interventional Radiology | 6 | 70 | 82 | 105 |
| 536 | Chromosome mapping | 5 | 70 | 1847 | 3128 |
| 536 | Interventional Radiography | 6 | 70 | 82 | 105 |
| 536 | Endoscopic Surgery | 6 | 70 | 82 | 105 |
| 536 | atmosphere | 1 | 70 | 1535 | 1150 |
| 542 | Evolutionary Genetics | 7 | 69 | 387 | 1013 |
| 542 | Molecular Epidemiology | 7 | 69 | 387 | 1013 |
| 542 | Developmental Immunology | 3 | 69 | 1012 | 1247 |
| 545 | Mass Spectrometry | 5 | 68 | 1210 | 1625 |
| 545 | Substance Abuse | 5 | 68 | 1428 | 1926 |
| 547 | Telemedicine | 4 | 67 | 365 | 632 |
| 547 | Technological Innovations | 3 | 67 | 1206 | 1340 |
| 549 | Amyloidosis | 2 | 66 | 212 | 211 |
| 549 | Mechanics | 16 | 66 | 534 | 1267 |
| 551 | Electrochemistry | 2 | 65 | 4831 | 4151 |
| 551 | Electrochemical Analysis | 2 | 65 | 2083 | 1856 |
| 551 | Laser therapy | 13 | 65 | 146 | 408 |
| 551 | Pregnancy | 5 | 65 | 775 | 1227 |
| 555 | Machine Learning | 1 | 64 | 827 | 480 |
| 555 | industrial hygiene | 7 | 64 | 821 | 1098 |
| 555 | vitamin C | 3 | 64 | 462 | 780 |
| 555 | vitamin E | 3 | 64 | 462 | 780 |
| 559 | Cardiopulmonary Resuscitation | 6 | 63 | 84 | 63 |
| 559 | cardiac arrest | 6 | 63 | 84 | 63 |
| 559 | peptides | 3 | 63 | 1148 | 1073 |
| 562 | Histocompatibility Testing | 7 | 62 | 433 | 782 |
| 563 | natural products | 4 | 61 | 1808 | 2086 |
| 563 | Fuzzy systems | 2 | 61 | 2419 | 1639 |
| 565 | Bacteria | 3 | 60 | 441 | 842 |
| 565 | Primates | 7 | 60 | 565 | 982 |
| 567 | Ergonomics | 6 | 59 | 878 | 1276 |
| 568 | Plant tissue culture | 1 | 58 | 1421 | 1101 |
| 568 | Plant cell culture | 1 | 58 | 1312 | 1091 |
| 570 | Obstetric Nursing | 2 | 57 | 562 | 403 |
| 570 | Parkinson's disease | 4 | 57 | 211 | 455 |
| 572 | occupational health and safety | 2 | 56 | 361 | 283 |
| 572 | Angst | 1 | 56 | 58 | 52 |
| 572 | Cross-Cultural Studies | 8 | 56 | 340 | 942 |
| 572 | Heart Failure | 1 | 56 | 897 | 872 |
| 572 | cross-cultural comparison | 8 | 56 | 265 | 720 |
| 577 | Engineering Mathematics | 2 | 55 | 3579 | 2508 |
| 577 | Numerical Analysis | 2 | 55 | 3128 | 2463 |
| 577 | Dental Public Health | 1 | 55 | 402 | 220 |
| 577 | enzymes | 1 | 55 | 2921 | 2469 |
| 577 | mathematical concepts | 2 | 55 | 599 | 417 |
| 582 | Microfabrication | 1 | 54 | 879 | 530 |
| 582 | Physical fitness | 2 | 54 | 1550 | 1567 |
| 584 | Zoology | 6 | 53 | 2377 | 3117 |
| 584 | Project Management | 1 | 53 | 551 | 657 |
| 586 | Adolescent Psychology | 2 | 52 | 1269 | 1282 |
| 586 | animals | 4 | 52 | 1358 | 1588 |
| 586 | children | 2 | 52 | 812 | 808 |
| 589 | Mathematics | 6 | 50 | 5447 | 5916 |
| 589 | Child welfare | 5 | 50 | 1012 | 1586 |
| 589 | Health insurance | 2 | 50 | 723 | 773 |
| 589 | Korea | 4 | 50 | 325 | 335 |
| 593 | Learning | 1 | 49 | 2659 | 2055 |
| 593 | psychotherapy | 8 | 49 | 975 | 1980 |
| 593 | Fungi | 2 | 49 | 1494 | 1691 |
| 596 | Cardiac electrophysiology | 2 | 48 | 387 | 529 |
| 596 | arrhythmia | 2 | 48 | 387 | 529 |
| 596 | Brain damage | 7 | 48 | 275 | 830 |
| 599 | Exercise | 7 | 47 | 980 | 1775 |
| 600 | Biological Systems | 1 | 46 | 1696 | 1150 |
| 600 | Probiotics | 2 | 46 | 286 | 368 |
| 602 | Computer Graphics | 2 | 45 | 2306 | 2216 |
| 602 | Psychiatric Nursing | 3 | 45 | 795 | 972 |
| 602 | Computer-Aided Design | 2 | 45 | 1818 | 1801 |
| 602 | Globalization | 1 | 45 | 1244 | 935 |
| 602 | international cooperation | 1 | 45 | 1332 | 1112 |
| 607 | Neuroplasticity | 2 | 44 | 579 | 765 |
| 607 | neuronal plasticity | 2 | 44 | 484 | 690 |
| 609 | Pediatric Endocrinology | 8 | 43 | 162 | 415 |
| 609 | Microbial Ecology | 4 | 43 | 2486 | 4485 |
| 609 | Metabolic disorders in children | 6 | 43 | 186 | 342 |
| 609 | child behavior | 3 | 43 | 464 | 730 |
| 613 | Music Therapy | 2 | 42 | 341 | 307 |
| 613 | Art Therapy | 2 | 42 | 290 | 269 |
| 613 | Solid State Physics | 2 | 42 | 4771 | 4553 |
| 613 | Dance therapy | 2 | 42 | 247 | 207 |
| 617 | General Surgery | 7 | 41 | 586 | 1123 |
| 617 | Exercise therapy | 3 | 41 | 472 | 559 |
| 617 | Intellectual disability | 1 | 41 | 1773 | 1363 |
| 620 | Smoking | 2 | 40 | 1172 | 1524 |
| 620 | Post-traumatic stress disorder | 3 | 40 | 895 | 1427 |
| 622 | Electrical Engineering | 10 | 39 | 2426 | 3474 |
| 622 | Medical Ethics | 8 | 39 | 745 | 1652 |
| 622 | Antiviral agents | 4 | 39 | 355 | 722 |
| 622 | gastrointestinal tract | 2 | 39 | 463 | 861 |
| 626 | Analytical Biochemistry | 3 | 38 | 2261 | 3059 |
| 627 | Cybernetics | 1 | 37 | 2570 | 2063 |
| 628 | Drug targeting | 2 | 36 | 441 | 792 |
| 628 | Social support | 2 | 36 | 273 | 438 |
| 628 | Social environment | 2 | 36 | 330 | 495 |
| 628 | Psychiatric hospitals | 1 | 36 | 723 | 579 |
| 632 | Histochemistry | 4 | 35 | 1165 | 1890 |
| 632 | Genetic epidemiology | 2 | 35 | 468 | 692 |
| 632 | Schizophrenia | 14 | 35 | 597 | 2075 |
| 632 | Atherosclerosis | 1 | 35 | 420 | 484 |
| 632 | locomotion | 3 | 35 | 862 | 1248 |
| 632 | posture | 3 | 35 | 862 | 1248 |
| 632 | Cardiac rehabilitation | 2 | 35 | 111 | 210 |
| 632 | Photobiology | 1 | 35 | 2690 | 2461 |
| 632 | Safety management | 5 | 35 | 456 | 993 |
| 632 | heredity | 2 | 35 | 1080 | 1291 |
| 632 | Social work | 5 | 35 | 1362 | 2065 |
| 632 | gait | 3 | 35 | 862 | 1248 |
| 632 | walking | 3 | 35 | 862 | 1248 |
| 645 | Maternal health services | 2 | 34 | 695 | 923 |
| 645 | micromechanics | 1 | 34 | 1220 | 1094 |
| 645 | traffic safety | 7 | 34 | 170 | 564 |
| 648 | Neuroimaging | 1 | 33 | 649 | 534 |
| 648 | Biochemical Genetics | 2 | 33 | 729 | 584 |
| 648 | Signal Processing | 3 | 33 | 2336 | 2900 |
| 648 | Nutrition physiology | 4 | 33 | 789 | 1628 |
| 648 | Microbial Biotechnology | 1 | 33 | 2045 | 1977 |
| 648 | plasticity | 1 | 33 | 617 | 801 |
| 648 | optical instruments | 1 | 33 | 815 | 698 |
| 648 | Cell cycle | 4 | 33 | 308 | 727 |
| 648 | cell proliferation | 4 | 33 | 342 | 767 |
| 648 | optical phenomena | 1 | 33 | 288 | 256 |
| 658 | Emergency Nursing | 4 | 32 | 127 | 293 |
| 658 | Energy Policy | 1 | 32 | 4627 | 4900 |
| 658 | Molecular Microbiology | 2 | 32 | 1308 | 2086 |
| 658 | Industrial Safety | 7 | 32 | 821 | 2040 |
| 658 | Cognitive Therapy | 1 | 32 | 1289 | 1189 |
| 658 | Hearing | 4 | 32 | 717 | 1198 |
| 658 | Bacterial diseases | 2 | 32 | 394 | 688 |
| 658 | phototherapy | 3 | 32 | 279 | 247 |
| 666 | Preoperative Care | 5 | 31 | 32 | 175 |
| 666 | perioperative care | 5 | 31 | 32 | 174 |
| 668 | Language Disorders | 2 | 30 | 1231 | 1444 |
| 668 | Pediatric Rheumatology | 3 | 30 | 302 | 492 |
| 668 | Speech Disorders | 2 | 30 | 1464 | 1782 |
| 668 | Multiple sclerosis | 5 | 30 | 549 | 1006 |
| 672 | Forensic Toxicology | 4 | 29 | 56 | 139 |
| 672 | Regeneration | 1 | 29 | 145 | 137 |
| 672 | patents | 3 | 29 | 138 | 350 |
| 672 | Mitochondria | 1 | 29 | 810 | 854 |
| 676 | health behavior | 4 | 28 | 1049 | 2136 |
| 676 | textile fibers | 2 | 28 | 754 | 706 |
| 678 | Oral Pathology | 2 | 27 | 119 | 238 |
| 678 | Radiotherapy | 13 | 27 | 187 | 522 |
| 680 | Analytical Toxicology | 1 | 26 | 550 | 609 |
| 680 | Ultrasonography | 1 | 26 | 117 | 110 |
| 680 | Growth factors | 1 | 26 | 674 | 1008 |
| 680 | Metals | 3 | 26 | 2726 | 3524 |
| 680 | Allergies | 1 | 26 | 405 | 390 |
| 685 | Radiation Protection | 7 | 25 | 472 | 975 |
| 685 | Biodegradation | 1 | 25 | 1561 | 1823 |
| 685 | Water Microbiology | 1 | 25 | 1106 | 1265 |
| 685 | Echocardiography | 2 | 25 | 151 | 264 |
| 685 | Biometrics | 4 | 25 | 1190 | 1947 |
| 685 | toxicity testing | 2 | 25 | 1186 | 1814 |
| 685 | hygiene | 2 | 25 | 826 | 1283 |
| 685 | eugenics | 1 | 25 | 1457 | 1436 |
| 685 | Fouling | 1 | 25 | 570 | 736 |
| 694 | Functional Genomics | 1 | 24 | 714 | 1005 |
| 695 | Industrial Microbiology | 1 | 23 | 3695 | 4230 |
| 695 | radiation monitoring | 6 | 23 | 476 | 981 |
| 695 | Screening | 3 | 23 | 219 | 542 |
| 695 | Hippocampus | 1 | 23 | 648 | 896 |
| 699 | Green Chemistry | 2 | 22 | 2277 | 3425 |
| 699 | Sustainable Engineering | 2 | 22 | 2284 | 3247 |
| 699 | Neurovirology | 4 | 22 | 234 | 712 |
| 699 | Gene expression regulation | 2 | 22 | 1618 | 2338 |
| 703 | Food Safety | 1 | 21 | 624 | 660 |
| 703 | Depression | 2 | 21 | 571 | 1216 |
| 703 | Plant genetic engineering | 2 | 21 | 1351 | 2073 |
| 703 | Animal welfare | 1 | 21 | 757 | 826 |
| 703 | Insects | 3 | 21 | 1802 | 2514 |
| 703 | food industry | 1 | 21 | 1499 | 1449 |
| 703 | Entomology | 3 | 21 | 2919 | 3671 |
| 710 | Electronics | 7 | 20 | 2978 | 5120 |
| 710 | Developmental Neurobiology | 1 | 20 | 1238 | 1288 |
| 710 | Hypertension in pregnancy | 2 | 20 | 473 | 477 |
| 710 | Pakistan | 7 | 20 | 251 | 405 |
| 714 | Multimedia Systems | 3 | 19 | 2010 | 2793 |
| 715 | Food Policy | 2 | 18 | 525 | 1070 |
| 715 | Radiation dosimetry | 4 | 18 | 486 | 882 |
| 715 | world | 2 | 18 | 1097 | 2056 |
| 715 | Agriculture | 2 | 18 | 3490 | 4493 |
| 719 | Engineering | 1 | 17 | 8385 | 7690 |
| 719 | Quality Control | 1 | 17 | 3606 | 3966 |
| 719 | Microfluidics | 1 | 17 | 513 | 689 |
| 719 | food handling | 1 | 17 | 1806 | 2389 |
| 719 | Cerebrospinal fluid | 1 | 17 | 306 | 441 |
| 719 | Egypt | 1 | 17 | 1232 | 1502 |
| 725 | Anthropological Linguistics | 1 | 16 | 646 | 390 |
| 725 | Ethics | 6 | 16 | 764 | 2123 |
| 725 | transgenic organisms | 1 | 16 | 657 | 942 |
| 725 | transgenic animals | 1 | 16 | 622 | 909 |
| 725 | Transgenic plants | 1 | 16 | 1047 | 1428 |
| 725 | family violence | 2 | 16 | 606 | 1141 |
| 725 | child abuse | 2 | 16 | 1259 | 2148 |
| 725 | violence | 2 | 16 | 1393 | 2189 |
| 725 | pharmaceutical industry | 2 | 16 | 911 | 1455 |
| 734 | Pediatric Hematology | 4 | 15 | 455 | 867 |
| 734 | Voice Disorders | 1 | 15 | 168 | 224 |
| 734 | speech therapy | 1 | 15 | 829 | 930 |
| 734 | personality | 1 | 15 | 2506 | 2996 |
| 734 | Communication Disorders | 2 | 15 | 493 | 750 |
| 734 | biological evolution | 1 | 15 | 3922 | 4860 |
| 734 | Synapses | 3 | 15 | 337 | 860 |
| 734 | Membranes | 1 | 15 | 3114 | 3904 |
| 742 | Teratology | 1 | 14 | 661 | 931 |
| 742 | Immunohematology | 3 | 14 | 161 | 190 |
| 742 | Precision medicine | 1 | 14 | 560 | 677 |
| 742 | Biofeedback | 1 | 14 | 303 | 510 |
| 742 | Microcirculation | 4 | 14 | 476 | 1371 |
| 742 | Brachytherapy | 2 | 14 | 484 | 557 |
| 742 | Communication in politics | 1 | 14 | 555 | 525 |
| 742 | Human biology | 1 | 14 | 1385 | 1613 |
| 750 | Genetic Counseling | 2 | 13 | 490 | 847 |
| 750 | Flexible manufacturing systems | 1 | 13 | 848 | 1226 |
| 750 | Lipid metabolism | 1 | 13 | 946 | 1429 |
| 750 | acupuncture | 5 | 13 | 174 | 412 |
| 750 | protein | 1 | 13 | 2472 | 2874 |
| 750 | Peroxisomes | 1 | 13 | 244 | 449 |
| 750 | Lipid | 1 | 13 | 951 | 1433 |
| 750 | Detectors | 1 | 13 | 2008 | 2057 |
| 758 | Social Sciences | 4 | 12 | 4056 | 6496 |
| 758 | Genetic testing | 3 | 12 | 395 | 1085 |
| 758 | mental health promotion | 1 | 12 | 381 | 558 |
| 758 | sleep-wake cycle | 3 | 12 | 127 | 333 |
| 758 | Africa | 3 | 12 | 2022 | 3245 |
| 758 | Blood vessels | 3 | 12 | 455 | 1184 |
| 764 | Marine Biology | 1 | 11 | 4373 | 5256 |
| 764 | Marine Biotechnology | 1 | 11 | 545 | 910 |
| 764 | Trademarks | 1 | 11 | 315 | 430 |
| 764 | animal diseases | 2 | 11 | 722 | 1484 |
| 764 | prostaglandins | 3 | 11 | 600 | 1377 |
| 764 | sex differences | 1 | 11 | 353 | 620 |
| 764 | cosmetics | 2 | 11 | 347 | 769 |
| 771 | Serology | 2 | 10 | 826 | 1575 |
| 771 | Environmental Psychology | 1 | 10 | 758 | 1239 |
| 771 | ethnicity | 1 | 10 | 1519 | 1649 |
| 771 | health and race | 1 | 10 | 560 | 898 |
| 771 | Mutagenesis | 2 | 10 | 747 | 1519 |
| 771 | ethnic groups | 1 | 10 | 702 | 1046 |
| 771 | Scanning electron microscopy | 1 | 10 | 456 | 602 |
| 778 | Data Mining | 2 | 9 | 2629 | 4609 |
| 778 | Gene expression | 1 | 9 | 647 | 968 |
| 778 | Electron Microscopy | 2 | 9 | 634 | 1163 |
| 778 | Retinal diseases | 1 | 9 | 190 | 93 |
| 778 | data collection | 2 | 9 | 1801 | 3495 |
| 778 | men's health | 2 | 9 | 44 | 99 |
| 778 | disease outbreaks | 2 | 9 | 876 | 1909 |
| 778 | Epidemics | 2 | 9 | 839 | 1846 |
| 778 | Zoonoses | 1 | 9 | 734 | 1208 |
| 787 | Manufacturing Processes | 2 | 8 | 3121 | 4630 |
| 787 | Electrocardiography | 2 | 8 | 680 | 1063 |
| 787 | Behavioral research | 1 | 8 | 1193 | 1699 |
| 787 | Pastoral Theology | 1 | 8 | 326 | 189 |
| 787 | Food preferences | 1 | 8 | 789 | 1236 |
| 787 | Endocrine system | 28 | 8 | 189 | 1137 |
| 793 | Cochlear Implants | 1 | 7 | 243 | 346 |
| 793 | patient satisfaction | 1 | 7 | 375 | 482 |
| 793 | Healing | 1 | 7 | 315 | 514 |
| 793 | Patient Safety | 2 | 7 | 140 | 360 |
| 793 | Bipolar Disorder | 1 | 7 | 774 | 1184 |
| 793 | Holistic Health | 1 | 7 | 1095 | 1539 |
| 793 | chronic disease | 1 | 7 | 832 | 1333 |
| 793 | Imaging systems | 2 | 7 | 1170 | 1983 |
| 801 | Systems Engineering | 1 | 6 | 3990 | 4620 |
| 801 | Automation | 1 | 6 | 3237 | 4024 |
| 801 | Control Theory | 1 | 6 | 2861 | 3369 |
| 801 | mutation | 1 | 6 | 1324 | 2039 |
| 801 | Quality Assurance | 1 | 6 | 984 | 1497 |
| 801 | Crystallography | 1 | 6 | 2965 | 3045 |
| 801 | Adaptive control systems | 1 | 6 | 1145 | 1559 |
| 801 | Protein folding | 1 | 6 | 204 | 404 |
| 801 | DNS | 1 | 6 | 1162 | 1860 |
| 801 | X-ray crystallography | 1 | 6 | 1120 | 1417 |
| 801 | Chromosomes | 1 | 6 | 1959 | 2831 |
| 801 | primary prevention | 2 | 6 | 673 | 1687 |
| 801 | body temperature | 1 | 6 | 1110 | 1751 |
| 801 | DNA | 1 | 6 | 1389 | 2059 |
| 801 | Suicide | 2 | 6 | 849 | 1895 |
| 801 | India | 2 | 6 | 2771 | 3773 |
| 801 | Plasma devices | 1 | 6 | 634 | 910 |
| 801 | prions | 1 | 6 | 164 | 339 |
| 819 | Statistics | 3 | 5 | 3261 | 5441 |
| 819 | Computer Engineering | 1 | 5 | 1805 | 2420 |
| 819 | Plant Biotechnology | 1 | 5 | 1588 | 2242 |
| 819 | emergency management | 1 | 5 | 1923 | 2979 |
| 819 | Combustion | 1 | 5 | 2201 | 2952 |
| 819 | Cognitive neuroscience | 1 | 5 | 1756 | 2562 |
| 819 | Synchrotron Radiation | 1 | 5 | 833 | 1174 |
| 819 | teratogenic agents | 1 | 5 | 600 | 1035 |
| 819 | health planning | 2 | 5 | 3285 | 5800 |
| 828 | Physical organic chemistry | 1 | 4 | 2386 | 3341 |
| 828 | Genetic databases | 1 | 4 | 140 | 291 |
| 828 | Intelligent Control Systems | 1 | 4 | 2268 | 2851 |
| 828 | Blood group antigens | 2 | 4 | 141 | 289 |
| 828 | Minority Health | 2 | 4 | 110 | 392 |
| 828 | Steroids | 1 | 4 | 1994 | 2944 |
| 828 | health services | 1 | 4 | 2434 | 3711 |
| 828 | biological agents | 2 | 4 | 1003 | 1633 |
| 836 | School Psychology | 1 | 3 | 904 | 1497 |
| 836 | Educational Psychology | 1 | 3 | 2566 | 3611 |
| 836 | Nuclear Chemistry | 1 | 3 | 2131 | 2835 |
| 836 | Radiochemistry | 1 | 3 | 2051 | 2707 |
| 836 | Health Physics | 2 | 3 | 366 | 886 |
| 836 | Biofilms | 1 | 3 | 383 | 901 |
| 836 | Turbulence | 1 | 3 | 500 | 783 |
| 836 | Microscopy | 1 | 3 | 3363 | 4388 |
| 836 | computer networks | 2 | 3 | 3321 | 5361 |
| 836 | Muscle contraction | 1 | 3 | 733 | 1062 |
| 836 | accidents | 2 | 3 | 108 | 233 |
| 847 | Humanities | 2 | 2 | 2832 | 4955 |
| 847 | Production Engineering | 1 | 2 | 3518 | 4807 |
| 847 | Social welfare | 1 | 2 | 1318 | 2254 |
| 847 | Tuberculosis | 8 | 2 | 32 | 42 |
| 847 | Family | 1 | 2 | 1900 | 2997 |
| 847 | families | 1 | 2 | 1684 | 2582 |
| 847 | management | 1 | 2 | 5999 | 8108 |
| 847 | Telecommunication | 1 | 2 | 4175 | 5360 |
| 847 | planning | 1 | 2 | 1581 | 2666 |
| 856 | Nuclear Engineering | 1 | 1 | 2367 | 3255 |
| 856 | Nuclear Energy | 1 | 1 | 2250 | 3059 |
| 856 | Nuclear Physics | 1 | 1 | 5822 | 7248 |
| 856 | Risk Management | 4 | 1 | 715 | 3042 |
| 856 | health services accessibility | 1 | 1 | 2114 | 3608 |
| 856 | physical therapy techniques | 1 | 1 | 385 | 581 |
| 856 | biobanks | 1 | 1 | 393 | 872 |
| 856 | Aerosols | 1 | 1 | 1179 | 1853 |
| 856 | Reproductive toxicology | 1 | 1 | 1104 | 1846 |
| 856 | Hearing Aids | 1 | 1 | 477 | 803 |
| 856 | Sound | 1 | 1 | 1780 | 2468 |
| 856 | Statistical physics | 1 | 1 | 5567 | 7232 |
| 856 | Condensed Matter | 1 | 1 | 5046 | 6407 |
| 856 | Health Risk Assessment | 4 | 1 | 417 | 2116 |
| 856 | Jurisprudence | 5 | 1 | 863 | 3019 |
| 856 | mammals | 1 | 1 | 2109 | 3150 |
| 856 | women | 1 | 1 | 1715 | 2630 |
| 856 | Nitric oxide | 1 | 1 | 822 | 1372 |
| 856 | cycles | 1 | 1 | 357 | 760 |
| 875 | Mobile Computing | 1 | 0 | 2283 | 3434 |
| 875 | Fluid Dynamics | 1 | 0 | 2173 | 3336 |
| 875 | Information visualization | 1 | 0 | 448 | 922 |
| 875 | Wireless Communication Systems | 1 | 0 | 3456 | 4912 |
| 875 | Neurotransmitters | 6 | 0 | 450 | 1553 |
| 875 | Bacteriology | 1 | 0 | 3590 | 5285 |
| 875 | Evidence-based practice | 1 | 0 | 330 | 456 |
| 875 | orphan drugs | 1 | 0 | 123 | 367 |
| 875 | Catholicism | 1 | 0 | 181 | 303 |
| 875 | brewing | 1 | 0 | 548 | 915 |
| 875 | Germany | 1 | 0 | 1605 | 2533 |
| 875 | Microwaves | 1 | 0 | 1965 | 2835 |
| 875 | weight loss | 1 | 0 | 394 | 809 |
| 875 | venom | 2 | 0 | 1358 | 2793 |
| 875 | Toxins | 2 | 0 | 1494 | 3010 |
