| 1 | Immunology | 607 | 42.1K | 151 | 130 |
| 2 | Medicine | 953 | 40.8K | 405 | 455 |
| 3 | Neurology | 632 | 35.8K | 306 | 314 |
| 4 | Microbiology | 450 | 30.6K | 418 | 363 |
| 5 | Science | 459 | 30.5K | 755 | 906 |
| 6 | Biochemistry | 546 | 27.9K | 775 | 601 |
| 7 | medical education | 508 | 25.2K | 14 | 6 |
| 8 | Biology | 400 | 22.8K | 855 | 1098 |
| 9 | Molecular Biology | 324 | 21.4K | 835 | 692 |
| 10 | Psychiatry | 312 | 20.3K | 299 | 240 |
| 11 | Virology | 189 | 17.4K | 322 | 341 |
| 12 | Research | 395 | 15.0K | 663 | 604 |
| 13 | Cell Biology | 184 | 13.1K | 493 | 582 |
| 14 | Cytology | 185 | 12.8K | 551 | 616 |
| 15 | Medical Microbiology | 182 | 12.4K | 123 | 105 |
| 16 | Physics | 60 | 10.8K | 3460 | 2011 |
| 17 | Mental Disorders | 154 | 10.3K | 300 | 239 |
| 18 | Pharmacology | 280 | 9.9K | 518 | 500 |
| 19 | Neurophysiology | 112 | 9.3K | 494 | 358 |
| 20 | Education | 65 | 9.2K | 764 | 125 |
| 21 | Natural history | 33 | 9.0K | 1418 | 1270 |
| 22 | Endocrinology | 133 | 8.4K | 449 | 418 |
| 23 | Brain | 172 | 8.1K | 268 | 256 |
| 24 | Psychophysiology | 161 | 7.9K | 330 | 309 |
| 25 | Physiology | 150 | 7.4K | 566 | 465 |
| 26 | Pediatrics | 169 | 6.7K | 270 | 309 |
| 27 | viruses | 100 | 6.6K | 194 | 188 |
| 28 | Human genetics | 23 | 6.3K | 1111 | 895 |
| 29 | Sports Medicine | 237 | 6.3K | 96 | 136 |
| 30 | Immunity | 61 | 6.2K | 428 | 431 |
| 31 | Metabolism | 81 | 6.0K | 622 | 483 |
| 32 | Public Health | 201 | 5.8K | 557 | 671 |
| 33 | Neurochemistry | 106 | 5.8K | 342 | 279 |
| 34 | Mental illness | 77 | 5.6K | 305 | 234 |
| 35 | Biophysics | 191 | 5.4K | 808 | 865 |
| 36 | Cancer | 175 | 5.1K | 469 | 712 |
| 37 | Metabolic diseases | 58 | 5.0K | 627 | 459 |
| 38 | Psychology | 116 | 4.6K | 754 | 643 |
| 39 | Surgery | 138 | 4.6K | 202 | 484 |
| 40 | Toxicology | 154 | 4.6K | 549 | 653 |
| 41 | Urology | 101 | 4.5K | 277 | 215 |
| 42 | Social Psychology | 48 | 4.5K | 490 | 273 |
| 43 | Pathology | 75 | 4.3K | 470 | 368 |
| 44 | Vaccines | 114 | 4.2K | 142 | 130 |
| 45 | Behavior | 114 | 4.2K | 400 | 505 |
| 46 | Psychopharmacology | 84 | 4.2K | 222 | 233 |
| 47 | Epidemiology | 93 | 4.0K | 638 | 523 |
| 48 | Radiobiology | 99 | 4.0K | 296 | 180 |
| 49 | Neurobiology | 70 | 3.9K | 314 | 366 |
| 50 | pain | 37 | 3.8K | 343 | 190 |
| 51 | Environmental Health | 97 | 3.4K | 889 | 1041 |
| 52 | Radiation | 90 | 3.4K | 194 | 108 |
| 53 | rehabilitation | 99 | 3.4K | 210 | 229 |
| 54 | Chemistry | 81 | 3.4K | 2832 | 2770 |
| 55 | fertility | 128 | 3.3K | 87 | 141 |
| 56 | psychopathology | 11 | 3.3K | 149 | 36 |
| 57 | Infertility | 122 | 3.2K | 88 | 142 |
| 58 | Virulence | 38 | 3.2K | 261 | 238 |
| 59 | Radiology | 101 | 3.2K | 108 | 64 |
| 60 | Environment | 49 | 3.1K | 1400 | 1436 |
| 61 | Transplantation | 33 | 3.1K | 403 | 226 |
| 62 | cell physiology | 42 | 3.1K | 342 | 299 |
| 63 | Psychosomatic Medicine | 53 | 3.0K | 81 | 77 |
| 64 | Diagnostic microbiology | 45 | 3.0K | 248 | 285 |
| 65 | Hematology | 166 | 2.9K | 645 | 857 |
| 66 | Host-parasite interactions | 48 | 2.9K | 220 | 323 |
| 67 | Obstetrics | 114 | 2.8K | 364 | 379 |
| 68 | Obesity | 77 | 2.6K | 315 | 415 |
| 69 | Critical Care | 76 | 2.6K | 235 | 466 |
| 70 | diseases | 4 | 2.6K | 301 | 180 |
| 70 | Disease | 4 | 2.6K | 305 | 176 |
| 72 | Medical genetics | 57 | 2.5K | 880 | 1012 |
| 73 | Nervous system | 58 | 2.5K | 534 | 610 |
| 74 | United States | 123 | 2.4K | 698 | 884 |
| 75 | human behavior | 38 | 2.4K | 645 | 623 |
| 76 | Nutrition | 77 | 2.4K | 891 | 1010 |
| 77 | Molecular Microbiology | 28 | 2.4K | 262 | 228 |
| 78 | Dermatology | 76 | 2.3K | 294 | 289 |
| 79 | drug therapy | 60 | 2.2K | 528 | 477 |
| 80 | Anxiety Disorders | 35 | 2.1K | 78 | 100 |
| 80 | Anxiety | 35 | 2.1K | 82 | 100 |
| 82 | Physical Therapy | 56 | 2.1K | 207 | 230 |
| 83 | Critical Care Medicine | 30 | 2.0K | 549 | 550 |
| 84 | Eating Disorders | 82 | 2.0K | 66 | 106 |
| 85 | Sports | 51 | 2.0K | 452 | 327 |
| 86 | Emergency Medicine | 99 | 2.0K | 155 | 170 |
| 87 | Feeding and Eating Disorders | 78 | 2.0K | 60 | 104 |
| 88 | Allergy | 17 | 1.9K | 646 | 529 |
| 89 | Immunotherapy | 24 | 1.9K | 666 | 529 |
| 90 | Hypertension | 21 | 1.8K | 778 | 647 |
| 91 | Immunopathology | 66 | 1.8K | 189 | 245 |
| 92 | Ecology | 26 | 1.8K | 2942 | 2323 |
| 93 | Cardiovascular system | 21 | 1.8K | 759 | 676 |
| 94 | Post-traumatic stress disorder | 68 | 1.8K | 47 | 105 |
| 95 | Sleep | 117 | 1.8K | 144 | 348 |
| 96 | proteins | 23 | 1.7K | 860 | 439 |
| 97 | Health | 53 | 1.7K | 422 | 398 |
| 98 | Sleep Disorders | 116 | 1.7K | 145 | 347 |
| 99 | Travel | 78 | 1.7K | 42 | 50 |
| 100 | Clinical Immunology | 58 | 1.7K | 175 | 181 |
| 101 | Developmental Biology | 31 | 1.7K | 743 | 769 |
| 102 | Orthopedics | 108 | 1.7K | 141 | 325 |
| 103 | Medical innovations | 13 | 1.6K | 464 | 365 |
| 104 | Oncogenes | 16 | 1.6K | 617 | 508 |
| 105 | Memory | 88 | 1.6K | 274 | 494 |
| 106 | Biotechnology | 36 | 1.6K | 2369 | 2298 |
| 107 | psychotherapy | 26 | 1.6K | 459 | 337 |
| 108 | Adolescent Medicine | 17 | 1.5K | 231 | 191 |
| 108 | Proteome | 15 | 1.5K | 553 | 286 |
| 108 | drug development | 18 | 1.5K | 323 | 338 |
| 111 | Clinical Psychology | 43 | 1.5K | 339 | 463 |
| 112 | Depression | 23 | 1.5K | 61 | 80 |
| 113 | Visual Perception | 85 | 1.5K | 242 | 409 |
| 113 | Attention | 85 | 1.5K | 256 | 408 |
| 113 | Perception | 85 | 1.5K | 294 | 479 |
| 116 | General Surgery | 65 | 1.5K | 103 | 72 |
| 117 | enzymes | 17 | 1.5K | 635 | 268 |
| 118 | Digestive system diseases | 39 | 1.5K | 183 | 120 |
| 119 | Immune system | 9 | 1.5K | 734 | 579 |
| 120 | Neuropsychology | 47 | 1.5K | 575 | 613 |
| 121 | Reproduction | 42 | 1.5K | 681 | 617 |
| 122 | preventive medicine | 65 | 1.4K | 182 | 322 |
| 123 | Genetics | 32 | 1.4K | 1583 | 1776 |
| 124 | Microbial Ecology | 13 | 1.4K | 1325 | 891 |
| 125 | infection | 23 | 1.3K | 617 | 494 |
| 126 | feeding behavior | 38 | 1.3K | 119 | 134 |
| 127 | Membranes | 24 | 1.2K | 657 | 597 |
| 128 | Inflammation | 26 | 1.2K | 286 | 237 |
| 129 | Therapeutics | 45 | 1.2K | 408 | 620 |
| 130 | Pediatric Neurology | 21 | 1.2K | 444 | 576 |
| 131 | North America | 44 | 1.2K | 120 | 78 |
| 132 | Child | 54 | 1.2K | 531 | 611 |
| 133 | Histology | 33 | 1.2K | 531 | 524 |
| 134 | Ophthalmology | 43 | 1.2K | 476 | 569 |
| 135 | Parasitology | 42 | 1.2K | 620 | 580 |
| 136 | Bacteriology | 16 | 1.1K | 976 | 807 |
| 137 | gene mapping | 22 | 1.1K | 811 | 759 |
| 138 | Genomics | 28 | 1.1K | 1265 | 1179 |
| 139 | Environmental Toxicology | 15 | 1.1K | 1159 | 813 |
| 140 | Infections | 13 | 1.1K | 619 | 446 |
| 141 | Hormones | 25 | 1.1K | 446 | 417 |
| 142 | alcoholism | 34 | 1.1K | 444 | 459 |
| 143 | Respiration | 35 | 1.1K | 419 | 500 |
| 144 | nucleic acids | 19 | 1.0K | 847 | 968 |
| 145 | Occupational Health | 42 | 1.0K | 167 | 177 |
| 146 | Anatomy | 25 | 1.0K | 788 | 730 |
| 147 | Schizophrenia | 16 | 1.0K | 545 | 397 |
| 148 | cytokines | 26 | 1.0K | 323 | 313 |
| 149 | Pharmaceutical Chemistry | 36 | 1.0K | 1431 | 1641 |
| 150 | Radiotherapy | 22 | 1.0K | 101 | 32 |
| 151 | occupational diseases | 36 | 998 | 158 | 196 |
| 152 | Smoking | 25 | 995 | 256 | 224 |
| 152 | Liver diseases | 9 | 995 | 1147 | 860 |
| 154 | Astrocytes | 19 | 993 | 112 | 168 |
| 155 | Chromosome mapping | 19 | 977 | 803 | 701 |
| 156 | Oncology | 23 | 954 | 917 | 1501 |
| 157 | Sociology | 15 | 944 | 1527 | 819 |
| 158 | Medical Anthropology | 10 | 938 | 745 | 469 |
| 159 | Medical Oncology | 31 | 924 | 809 | 817 |
| 160 | Adolescent | 40 | 916 | 510 | 575 |
| 161 | Embryology | 14 | 900 | 935 | 810 |
| 162 | Health Policy | 40 | 896 | 576 | 715 |
| 162 | behavioral medicine | 32 | 896 | 310 | 465 |
| 164 | Cytokine | 25 | 887 | 32 | 100 |
| 165 | Substance Abuse | 26 | 875 | 494 | 408 |
| 165 | disease vectors | 25 | 875 | 225 | 203 |
| 167 | Stem cells | 22 | 865 | 683 | 676 |
| 168 | Neurons | 15 | 848 | 349 | 773 |
| 169 | drug addiction | 23 | 842 | 437 | 433 |
| 170 | environmental exposure | 39 | 828 | 333 | 570 |
| 171 | Chronic diseases | 13 | 796 | 367 | 394 |
| 172 | internet | 6 | 795 | 922 | 201 |
| 173 | Bioengineering | 13 | 794 | 2763 | 2360 |
| 174 | Cell differentiation | 17 | 786 | 932 | 1113 |
| 175 | Learning | 18 | 780 | 550 | 487 |
| 176 | Malaria | 19 | 778 | 252 | 199 |
| 177 | Brain damage | 29 | 769 | 48 | 77 |
| 178 | Health promotion | 50 | 754 | 251 | 510 |
| 179 | Clinical Chemistry | 10 | 748 | 2222 | 1393 |
| 180 | Radiography | 40 | 725 | 137 | 240 |
| 181 | Botany | 6 | 704 | 3465 | 2019 |
| 182 | Plant cells | 6 | 694 | 976 | 884 |
| 183 | Medical Technology | 15 | 666 | 768 | 507 |
| 184 | Oxidative stress | 17 | 665 | 370 | 479 |
| 185 | Neuropsychiatry | 19 | 653 | 328 | 324 |
| 186 | Biochemical Engineering | 5 | 636 | 3163 | 2336 |
| 186 | Animal Behavior | 7 | 636 | 1542 | 1040 |
| 186 | blood transfusion | 44 | 636 | 141 | 233 |
| 189 | Zoonoses | 15 | 635 | 51 | 39 |
| 190 | Ethology | 6 | 632 | 1309 | 882 |
| 191 | Chemotherapy | 15 | 622 | 784 | 594 |
| 191 | Cytogenetics | 9 | 622 | 1156 | 1061 |
| 193 | Bacterial infections | 18 | 610 | 272 | 543 |
| 194 | cosmic rays | 19 | 604 | 148 | 80 |
| 195 | Interferons | 23 | 592 | 21 | 38 |
| 196 | Cerebral cortex | 17 | 590 | 402 | 534 |
| 197 | Orthopedic Surgery | 53 | 573 | 82 | 306 |
| 198 | Bioenergetics | 2 | 571 | 1303 | 370 |
| 198 | Energy metabolism | 2 | 571 | 935 | 312 |
| 200 | emergency management | 46 | 570 | 37 | 156 |
| 201 | drugs | 19 | 567 | 961 | 893 |
| 202 | Thrombosis | 15 | 566 | 578 | 557 |
| 203 | Bipolar Disorder | 4 | 562 | 378 | 185 |
| 204 | Lipids | 13 | 560 | 675 | 708 |
| 205 | Microscopy | 12 | 550 | 874 | 472 |
| 206 | Diagnosis | 37 | 549 | 56 | 84 |
| 206 | Entomology | 25 | 549 | 941 | 808 |
| 208 | Primary health care | 49 | 546 | 309 | 613 |
| 209 | Autoimmunity | 14 | 540 | 335 | 422 |
| 210 | Clinical Biochemistry | 5 | 539 | 1351 | 522 |
| 211 | Medical Ethics | 148 | 523 | 27 | 256 |
| 212 | Neurotoxicology | 24 | 520 | 68 | 177 |
| 213 | Social problems | 3 | 512 | 691 | 216 |
| 214 | vascular diseases | 11 | 511 | 402 | 432 |
| 215 | Mental Health Services | 30 | 503 | 328 | 436 |
| 216 | Liposomes | 4 | 501 | 512 | 174 |
| 217 | Growth | 7 | 499 | 983 | 935 |
| 218 | Otolaryngology | 34 | 496 | 124 | 229 |
| 219 | Parasitic Diseases | 23 | 485 | 808 | 1136 |
| 220 | Biocompatible Materials | 21 | 484 | 1836 | 2615 |
| 220 | Diet | 24 | 484 | 851 | 1398 |
| 222 | Endocrine glands | 5 | 479 | 190 | 205 |
| 223 | Recombinant DNA | 15 | 478 | 713 | 694 |
| 224 | Health Education | 34 | 471 | 517 | 774 |
| 225 | Tropical Medicine | 28 | 461 | 513 | 678 |
| 226 | RNA | 15 | 458 | 187 | 301 |
| 227 | Geriatrics | 22 | 455 | 1365 | 1557 |
| 228 | Nursing | 34 | 451 | 426 | 533 |
| 229 | Patient Safety | 33 | 450 | 2 | 6 |
| 229 | Microorganisms | 4 | 450 | 1273 | 850 |
| 231 | Muscles | 15 | 449 | 373 | 517 |
| 232 | Parasites | 21 | 448 | 557 | 664 |
| 233 | free radicals | 7 | 445 | 1215 | 1002 |
| 234 | mycoses | 7 | 443 | 618 | 649 |
| 235 | Exercise | 11 | 441 | 725 | 500 |
| 236 | Medical Physics | 14 | 436 | 995 | 884 |
| 236 | Neuromuscular diseases | 14 | 436 | 309 | 331 |
| 238 | Animal ecology | 17 | 423 | 527 | 602 |
| 238 | Stress | 7 | 423 | 117 | 54 |
| 240 | Food | 10 | 422 | 2144 | 1806 |
| 240 | Appetite | 10 | 422 | 357 | 314 |
| 242 | Health Services Research | 23 | 420 | 579 | 790 |
| 243 | Diabetes | 12 | 413 | 1483 | 1791 |
| 244 | Neuroimmunology | 7 | 412 | 540 | 479 |
| 245 | Molecular structure | 10 | 407 | 1625 | 1313 |
| 246 | Aging | 14 | 405 | 1748 | 1664 |
| 247 | epilepsy | 11 | 399 | 573 | 451 |
| 248 | Dementia | 27 | 396 | 570 | 613 |
| 248 | Alzheimer's disease | 27 | 396 | 583 | 684 |
| 250 | Women's health | 20 | 390 | 422 | 532 |
| 251 | United Kingdom | 12 | 389 | 956 | 1088 |
| 252 | Diabetes mellitus | 12 | 383 | 1405 | 1798 |
| 253 | Synapses | 7 | 380 | 184 | 143 |
| 254 | Suicide | 23 | 379 | 110 | 227 |
| 255 | Drug delivery systems | 2 | 377 | 2242 | 1003 |
| 256 | Medical Laboratory Science | 16 | 375 | 958 | 1293 |
| 257 | Physical fitness | 8 | 372 | 719 | 532 |
| 258 | protein | 9 | 369 | 870 | 752 |
| 259 | complementary therapies | 21 | 359 | 656 | 866 |
| 260 | Proteomics | 15 | 356 | 473 | 775 |
| 260 | Cell metabolism | 4 | 356 | 751 | 902 |
| 262 | biological factors | 17 | 355 | 800 | 1044 |
| 263 | Psychoneuroimmunology | 6 | 352 | 541 | 486 |
| 264 | Synaptic Transmission | 5 | 350 | 446 | 250 |
| 264 | Cell survival | 11 | 350 | 44 | 71 |
| 264 | Bones | 12 | 350 | 526 | 646 |
| 264 | molecular chaperones | 11 | 350 | 53 | 71 |
| 268 | Child psychology | 9 | 349 | 1011 | 1088 |
| 269 | Community Psychiatry | 24 | 346 | 289 | 590 |
| 270 | Mental Health | 13 | 344 | 855 | 759 |
| 271 | nuclear magnetic resonance | 10 | 343 | 730 | 586 |
| 271 | cardiac catheterization | 10 | 343 | 571 | 398 |
| 273 | behavior therapy | 18 | 342 | 342 | 475 |
| 274 | Health Services Administration | 17 | 340 | 363 | 530 |
| 275 | Magnetic Resonance Spectroscopy | 8 | 339 | 935 | 595 |
| 276 | arthritis | 18 | 334 | 631 | 1153 |
| 276 | child abuse | 14 | 334 | 360 | 524 |
| 278 | Analytical Chemistry | 10 | 333 | 3290 | 2999 |
| 278 | Drug design | 11 | 333 | 948 | 1036 |
| 280 | Alternative Medicine | 18 | 328 | 702 | 915 |
| 281 | Research Design | 18 | 322 | 450 | 741 |
| 281 | Plants | 5 | 322 | 2014 | 1525 |
| 283 | Emergency Medical Services | 15 | 319 | 270 | 254 |
| 284 | Cellular senescence | 6 | 315 | 526 | 470 |
| 285 | Growth factors | 3 | 313 | 312 | 255 |
| 286 | Genetic engineering | 12 | 310 | 1297 | 1725 |
| 286 | Analytical Biochemistry | 13 | 310 | 874 | 1037 |
| 288 | Military psychology | 29 | 307 | 6 | 19 |
| 289 | Clinical Trials | 15 | 297 | 214 | 259 |
| 290 | chronic disease | 7 | 296 | 229 | 189 |
| 291 | Immunopharmacology | 8 | 295 | 662 | 553 |
| 292 | Antioxidants | 5 | 294 | 684 | 734 |
| 293 | Nuclear Medicine | 18 | 293 | 482 | 724 |
| 294 | Pharmacy | 8 | 290 | 1638 | 1423 |
| 295 | Signal Transduction | 9 | 286 | 951 | 1227 |
| 296 | counseling | 18 | 281 | 545 | 745 |
| 296 | DNA repair | 2 | 281 | 469 | 189 |
| 298 | amino acids | 8 | 278 | 293 | 309 |
| 299 | Electrophoresis | 6 | 275 | 1453 | 1068 |
| 300 | Biomedical Engineering | 17 | 274 | 2740 | 3635 |
| 301 | brain mapping | 6 | 270 | 584 | 613 |
| 302 | Homeostasis | 1 | 269 | 1016 | 968 |
| 303 | Autoantibodies | 8 | 267 | 366 | 446 |
| 303 | Antibodies | 11 | 267 | 370 | 457 |
| 303 | Antigens | 11 | 267 | 528 | 619 |
| 303 | Autoimmune diseases | 8 | 267 | 407 | 487 |
| 307 | DNA | 6 | 264 | 408 | 256 |
| 307 | Psychiatric hospitals | 18 | 264 | 120 | 170 |
| 309 | Gene expression regulation | 5 | 262 | 974 | 853 |
| 309 | DNS | 5 | 262 | 410 | 250 |
| 309 | Genes | 5 | 262 | 1068 | 690 |
| 312 | Nanotechnology | 3 | 260 | 5749 | 4045 |
| 312 | prostaglandins | 12 | 260 | 216 | 267 |
| 314 | Social support | 3 | 255 | 200 | 61 |
| 314 | Social environment | 3 | 255 | 244 | 66 |
| 316 | Pharmaceutical Technology | 1 | 253 | 2812 | 1063 |
| 317 | carcinogens | 14 | 250 | 432 | 888 |
| 318 | Body Image | 8 | 248 | 100 | 142 |
| 319 | Carcinogenesis | 16 | 246 | 395 | 917 |
| 319 | Genetic regulation | 4 | 246 | 1332 | 1196 |
| 321 | Child Development | 9 | 245 | 1392 | 1549 |
| 322 | Contraception | 12 | 243 | 290 | 398 |
| 322 | Leukemia | 9 | 243 | 1003 | 1122 |
| 324 | Extracellular matrix | 3 | 240 | 333 | 276 |
| 324 | drug evaluation | 5 | 240 | 1288 | 812 |
| 324 | Kidney diseases | 7 | 240 | 797 | 776 |
| 324 | collagen | 3 | 240 | 357 | 286 |
| 328 | sports injuries | 21 | 237 | 101 | 196 |
| 329 | Neurosurgery | 11 | 236 | 758 | 924 |
| 330 | Human-Computer Interaction | 5 | 233 | 1340 | 899 |
| 331 | Thorax | 12 | 231 | 228 | 443 |
| 332 | Robotics | 2 | 227 | 2289 | 1040 |
| 332 | Virtual reality | 2 | 227 | 543 | 166 |
| 334 | Hospitals | 13 | 226 | 319 | 425 |
| 335 | Yeast | 4 | 222 | 434 | 325 |
| 336 | Molecular Pharmacology | 9 | 219 | 462 | 752 |
| 337 | Personality Assessment | 5 | 218 | 479 | 472 |
| 338 | Molecular cloning | 10 | 216 | 901 | 1134 |
| 338 | Genetic recombination | 10 | 216 | 877 | 1116 |
| 340 | histological techniques | 8 | 212 | 475 | 731 |
| 341 | Rheumatology | 10 | 211 | 851 | 1203 |
| 341 | biomedicine | 12 | 211 | 325 | 516 |
| 343 | Pharmacogenetics | 4 | 209 | 1209 | 1025 |
| 344 | Diagnostic Imaging | 6 | 208 | 1918 | 1589 |
| 345 | Patient education | 12 | 203 | 302 | 564 |
| 346 | Europe | 5 | 202 | 3324 | 2178 |
| 347 | Audiology | 2 | 198 | 1191 | 638 |
| 347 | Radiation Protection | 13 | 198 | 270 | 211 |
| 347 | radiation monitoring | 11 | 198 | 266 | 197 |
| 350 | Developmental Genetics | 2 | 195 | 859 | 784 |
| 350 | Infection control | 8 | 195 | 423 | 501 |
| 350 | Communication | 15 | 195 | 940 | 1201 |
| 350 | viral genetics | 2 | 195 | 509 | 615 |
| 354 | drug abuse | 5 | 193 | 580 | 426 |
| 355 | Andrology | 15 | 192 | 257 | 472 |
| 356 | Pharmacogenomics | 4 | 187 | 277 | 259 |
| 357 | health behavior | 19 | 186 | 358 | 810 |
| 358 | Psychoanalysis | 18 | 185 | 123 | 124 |
| 359 | isomerism | 18 | 184 | 51 | 149 |
| 359 | Chirality | 18 | 184 | 51 | 149 |
| 361 | Forensic Pathology | 5 | 183 | 108 | 31 |
| 361 | Neuropharmacology | 5 | 183 | 482 | 501 |
| 361 | mutagens | 10 | 183 | 490 | 981 |
| 364 | Radiation dosimetry | 10 | 181 | 218 | 141 |
| 365 | visualization | 24 | 179 | 501 | 553 |
| 365 | glycoproteins | 4 | 179 | 472 | 456 |
| 365 | older people | 12 | 179 | 946 | 928 |
| 365 | Glycoconjugates | 4 | 179 | 472 | 456 |
| 365 | Oligosaccharide | 4 | 179 | 294 | 344 |
| 365 | Carbohydrates | 4 | 179 | 445 | 437 |
| 365 | glycolipids | 4 | 179 | 472 | 456 |
| 372 | women | 9 | 178 | 428 | 296 |
| 373 | biological evolution | 2 | 177 | 3116 | 2310 |
| 374 | Systems Biology | 4 | 175 | 1803 | 1375 |
| 374 | Molecular Imaging | 2 | 175 | 1063 | 762 |
| 374 | Oxidation-reduction | 2 | 175 | 1229 | 1102 |
| 377 | personality | 5 | 170 | 1219 | 1337 |
| 378 | calcification | 5 | 169 | 502 | 573 |
| 379 | artificial cells | 13 | 168 | 15 | 22 |
| 380 | Nutrition physiology | 8 | 167 | 454 | 726 |
| 381 | Clinical Pharmacology | 5 | 165 | 1494 | 1367 |
| 381 | Androgens | 10 | 165 | 94 | 242 |
| 383 | healthcare disparities | 8 | 164 | 287 | 331 |
| 383 | DNA polymerases | 3 | 164 | 558 | 899 |
| 385 | Health insurance | 9 | 161 | 243 | 406 |
| 386 | Optics | 5 | 160 | 4674 | 3223 |
| 387 | Environmental monitoring | 6 | 159 | 3482 | 4087 |
| 387 | Social work | 5 | 159 | 1362 | 851 |
| 389 | monitoring | 4 | 157 | 267 | 107 |
| 390 | Cognitive Science | 5 | 155 | 1356 | 1407 |
| 391 | natural products | 1 | 154 | 3153 | 1319 |
| 392 | cell interaction | 12 | 153 | 605 | 1297 |
| 393 | Electrophysiology | 9 | 151 | 814 | 902 |
| 393 | Steroids | 9 | 151 | 672 | 965 |
| 395 | Mycology | 5 | 148 | 1603 | 1579 |
| 396 | Surface Chemistry | 2 | 147 | 4893 | 3557 |
| 396 | Colloids | 2 | 147 | 4783 | 3696 |
| 398 | Communication in medicine | 9 | 145 | 300 | 422 |
| 399 | Wireless Communication Systems | 5 | 144 | 1853 | 1325 |
| 399 | Wireless Communication | 5 | 144 | 330 | 189 |
| 399 | Immunochemistry | 7 | 144 | 774 | 894 |
| 402 | China | 7 | 139 | 2294 | 2400 |
| 403 | Pharmacokinetics | 6 | 138 | 757 | 888 |
| 403 | blood substitutes | 11 | 138 | 16 | 24 |
| 405 | Molecular Genetics | 2 | 137 | 3011 | 2392 |
| 405 | Cognitive Therapy | 8 | 137 | 373 | 550 |
| 407 | Evidence-Based Medicine | 15 | 136 | 491 | 999 |
| 408 | Morphology | 4 | 134 | 856 | 592 |
| 408 | Protozoa | 2 | 134 | 655 | 416 |
| 410 | Ethnology | 5 | 132 | 1384 | 935 |
| 411 | Lipid metabolism | 2 | 127 | 685 | 553 |
| 411 | Developmental Disabilities | 3 | 127 | 1222 | 1173 |
| 411 | Lipid | 2 | 127 | 685 | 554 |
| 414 | Pediatric Dermatology | 6 | 126 | 350 | 322 |
| 415 | violence | 10 | 125 | 528 | 902 |
| 416 | Cell death | 6 | 124 | 1108 | 1708 |
| 416 | Spine | 13 | 124 | 380 | 934 |
| 416 | Primates | 5 | 124 | 698 | 640 |
| 419 | Respiratory Infections | 4 | 122 | 359 | 343 |
| 419 | Elderly | 7 | 122 | 1005 | 696 |
| 419 | biochemical markers | 6 | 122 | 632 | 700 |
| 419 | Influenza | 4 | 122 | 259 | 272 |
| 423 | Telemedicine | 14 | 120 | 90 | 377 |
| 423 | tomography | 5 | 120 | 354 | 323 |
| 425 | vitamin C | 3 | 119 | 462 | 533 |
| 425 | vitamin E | 3 | 119 | 462 | 533 |
| 427 | Artificial Organs | 8 | 116 | 486 | 568 |
| 427 | Gerontology | 10 | 116 | 1310 | 1727 |
| 429 | Genetic translocation | 4 | 115 | 177 | 221 |
| 429 | plasmids | 4 | 115 | 177 | 221 |
| 429 | Fungi | 4 | 115 | 1097 | 1256 |
| 432 | Sexuality | 2 | 113 | 469 | 187 |
| 432 | homosexuality | 2 | 113 | 585 | 361 |
| 432 | health planning | 5 | 113 | 2075 | 2006 |
| 435 | Apoptosis | 8 | 110 | 97 | 296 |
| 435 | neurotoxins | 8 | 110 | 97 | 296 |
| 435 | Neurotoxic agents | 8 | 110 | 97 | 296 |
| 435 | Nerve regeneration | 8 | 110 | 97 | 296 |
| 439 | Neurogenetics | 3 | 107 | 346 | 366 |
| 440 | Microcirculation | 7 | 106 | 278 | 538 |
| 441 | Social behavior | 3 | 105 | 1398 | 1328 |
| 441 | health services | 11 | 105 | 579 | 1115 |
| 443 | Pharmacognosy | 3 | 104 | 2212 | 2288 |
| 443 | Artificial Intelligence | 2 | 104 | 5146 | 3497 |
| 443 | Medicinal plants | 3 | 104 | 1714 | 1802 |
| 443 | Speech Disorders | 7 | 104 | 790 | 1042 |
| 443 | plant molecular biology | 1 | 104 | 2662 | 2156 |
| 448 | Geriatric Pharmacology | 3 | 103 | 384 | 391 |
| 448 | acupuncture | 32 | 103 | 23 | 51 |
| 450 | Zoology | 2 | 102 | 3705 | 2364 |
| 450 | History of Medicine | 24 | 102 | 107 | 163 |
| 452 | Cell communication | 8 | 101 | 496 | 1113 |
| 452 | vitamins | 3 | 101 | 140 | 218 |
| 454 | Photochemistry | 7 | 100 | 1409 | 1968 |
| 454 | Neuroplasticity | 3 | 100 | 424 | 406 |
| 454 | neuronal plasticity | 3 | 100 | 351 | 366 |
| 454 | Light | 7 | 100 | 774 | 1512 |
| 454 | Quality of life | 7 | 100 | 1146 | 1982 |
| 459 | psychoanalytic therapy | 6 | 99 | 63 | 32 |
| 460 | Information Science | 3 | 97 | 3039 | 2702 |
| 461 | Hemostasis | 8 | 96 | 598 | 962 |
| 461 | industrial hygiene | 13 | 96 | 491 | 827 |
| 461 | Evolution | 2 | 96 | 2883 | 2482 |
| 464 | gastrointestinal tract | 2 | 95 | 463 | 519 |
| 465 | Emergency Nursing | 3 | 94 | 170 | 104 |
| 465 | Sexual health | 4 | 94 | 835 | 730 |
| 465 | Blood vessels | 5 | 94 | 281 | 446 |
| 468 | disease susceptibility | 3 | 93 | 436 | 375 |
| 468 | Genetic therapy | 7 | 93 | 1064 | 1872 |
| 468 | symptoms | 3 | 93 | 436 | 375 |
| 471 | dual diagnosis | 1 | 91 | 239 | 43 |
| 472 | Angst | 1 | 90 | 58 | 37 |
| 473 | disease outbreaks | 8 | 89 | 333 | 860 |
| 473 | Population | 5 | 89 | 935 | 1131 |
| 475 | Bacteriophages | 1 | 86 | 84 | 41 |
| 476 | Environmental Engineering | 3 | 85 | 4777 | 4834 |
| 476 | Environmental Policy | 3 | 85 | 4043 | 4657 |
| 476 | Environmental Law | 3 | 85 | 1370 | 2007 |
| 476 | environmental protection | 3 | 85 | 4375 | 4596 |
| 476 | Biomechanics | 12 | 85 | 776 | 1767 |
| 481 | Magnetic Resonance Imaging | 7 | 83 | 418 | 665 |
| 481 | Electrocardiography | 4 | 83 | 432 | 300 |
| 481 | Cognitive Behavioral Therapy | 4 | 83 | 207 | 288 |
| 484 | Linguistics | 2 | 82 | 2185 | 1163 |
| 484 | Chromatography | 4 | 82 | 1779 | 1881 |
| 484 | Psychiatric Epidemiology | 6 | 82 | 388 | 844 |
| 484 | sex crimes | 7 | 82 | 408 | 689 |
| 488 | Developmental Immunology | 3 | 81 | 1012 | 1118 |
| 489 | Radioisotopes | 5 | 80 | 1181 | 1132 |
| 490 | Advertising | 3 | 79 | 382 | 506 |
| 490 | Environmental pollutants | 1 | 79 | 4162 | 3113 |
| 490 | drug toxicity | 1 | 79 | 1108 | 648 |
| 493 | Neurovirology | 2 | 77 | 400 | 354 |
| 494 | Organic Chemistry | 3 | 76 | 3673 | 3697 |
| 494 | Geographic information systems | 1 | 76 | 2254 | 1034 |
| 496 | Pediatric Hematology | 7 | 75 | 281 | 324 |
| 496 | Developing countries | 4 | 75 | 2613 | 2854 |
| 498 | policy making | 3 | 74 | 28 | 46 |
| 498 | security measures | 3 | 74 | 44 | 48 |
| 500 | Neonatology | 2 | 73 | 1046 | 854 |
| 500 | Hematopoietic stem cell transplantation | 3 | 73 | 577 | 832 |
| 500 | Business Ethics | 1 | 73 | 1648 | 1418 |
| 500 | transport vesicles | 2 | 73 | 373 | 738 |
| 504 | hygiene | 3 | 71 | 638 | 729 |
| 505 | Aggression | 2 | 70 | 671 | 688 |
| 506 | Psycholinguistics | 2 | 69 | 1326 | 1267 |
| 506 | Educational Psychology | 3 | 69 | 1601 | 1635 |
| 506 | preimplantation genetic diagnosis | 1 | 69 | 1002 | 617 |
| 506 | locomotion | 9 | 69 | 422 | 915 |
| 506 | embryo transfer | 1 | 69 | 1033 | 639 |
| 506 | posture | 9 | 69 | 422 | 915 |
| 506 | System analysis | 4 | 69 | 2614 | 2771 |
| 506 | gait | 9 | 69 | 422 | 915 |
| 506 | walking | 9 | 69 | 422 | 915 |
| 515 | Molecular evolution | 3 | 68 | 2232 | 2687 |
| 515 | scientific societies | 2 | 68 | 1340 | 1195 |
| 515 | Drug discovery | 4 | 68 | 251 | 439 |
| 518 | Genetic disorders | 1 | 67 | 1100 | 831 |
| 518 | Immunotoxicology | 3 | 67 | 350 | 350 |
| 518 | Coronary heart disease | 2 | 67 | 398 | 167 |
| 521 | heredity | 2 | 66 | 1080 | 913 |
| 522 | Climatology | 2 | 65 | 2506 | 2451 |
| 522 | bioclimatology | 2 | 65 | 1384 | 1241 |
| 522 | Antiviral agents | 1 | 65 | 757 | 554 |
| 522 | Climate | 2 | 65 | 919 | 964 |
| 522 | weather | 2 | 65 | 858 | 860 |
| 527 | Social Sciences | 8 | 64 | 2803 | 3531 |
| 527 | Global Health | 7 | 64 | 755 | 1280 |
| 527 | Industrial Safety | 7 | 64 | 821 | 1449 |
| 527 | Chromatographic analysis | 3 | 64 | 2397 | 2309 |
| 531 | Pediatric Endocrinology | 4 | 62 | 349 | 310 |
| 531 | Sociobiology | 1 | 62 | 578 | 293 |
| 531 | Vision | 1 | 62 | 1289 | 1067 |
| 534 | Bacteria | 3 | 61 | 441 | 836 |
| 535 | Hemophilia | 4 | 60 | 542 | 637 |
| 535 | Cognition | 3 | 60 | 2006 | 2311 |
| 537 | Mathematics | 4 | 59 | 6267 | 5585 |
| 537 | Experimental Psychology | 2 | 59 | 788 | 717 |
| 537 | Condensed Matter | 4 | 59 | 3475 | 3628 |
| 537 | traffic safety | 2 | 59 | 476 | 386 |
| 541 | Industrial Microbiology | 1 | 58 | 3695 | 3218 |
| 541 | Teaching | 12 | 58 | 891 | 1882 |
| 543 | environmental pollution | 3 | 57 | 5270 | 6491 |
| 543 | Pollution | 3 | 57 | 6326 | 7819 |
| 545 | Computational Chemistry | 2 | 56 | 1006 | 1023 |
| 545 | Spectrum analysis | 4 | 56 | 4583 | 5496 |
| 547 | Nephrology | 5 | 55 | 562 | 1202 |
| 547 | Information Systems | 4 | 55 | 1511 | 2106 |
| 547 | Veterinary Immunology | 3 | 55 | 444 | 568 |
| 547 | Metabolic disorders in children | 3 | 55 | 381 | 285 |
| 547 | Chromosomes | 3 | 55 | 1249 | 1690 |
| 552 | Epidemics | 1 | 54 | 1171 | 1086 |
| 552 | antibiotics | 2 | 54 | 620 | 634 |
| 554 | Academic achievement | 1 | 53 | 116 | 61 |
| 554 | primary prevention | 2 | 53 | 673 | 718 |
| 554 | Law enforcement | 1 | 53 | 211 | 150 |
| 554 | police | 1 | 53 | 764 | 348 |
| 558 | Language Disorders | 4 | 52 | 885 | 1141 |
| 558 | DNA methylation | 2 | 52 | 466 | 724 |
| 560 | Mental Health Counseling | 1 | 50 | 239 | 133 |
| 561 | Ethics | 2 | 49 | 1492 | 1179 |
| 561 | Neurotransmitters | 8 | 49 | 366 | 745 |
| 561 | Cytoskeleton | 3 | 49 | 347 | 552 |
| 561 | exobiology | 1 | 49 | 707 | 669 |
| 565 | Bereavement | 2 | 48 | 266 | 220 |
| 566 | Statistics | 6 | 46 | 2389 | 3124 |
| 566 | ethnicity | 3 | 46 | 838 | 801 |
| 566 | Animal breeding | 4 | 46 | 781 | 1119 |
| 566 | health and race | 3 | 46 | 280 | 426 |
| 566 | Cognitive neuroscience | 2 | 46 | 1355 | 1655 |
| 566 | gene therapy | 5 | 46 | 1159 | 2253 |
| 566 | Cardiovascular diseases | 5 | 46 | 1647 | 2434 |
| 566 | Breeding | 4 | 46 | 1260 | 1930 |
| 574 | Fertilization | 3 | 45 | 76 | 152 |
| 574 | nanoscience | 1 | 45 | 4898 | 4429 |
| 574 | Bacterial diseases | 2 | 45 | 394 | 570 |
| 574 | gametes | 3 | 45 | 76 | 152 |
| 578 | Engineering | 3 | 44 | 5697 | 5640 |
| 578 | cell movement | 3 | 44 | 265 | 564 |
| 580 | Criminal psychology | 2 | 43 | 1055 | 1051 |
| 580 | Computational Biology | 9 | 43 | 2150 | 4691 |
| 580 | Family | 4 | 43 | 991 | 1439 |
| 583 | Hydrogeology | 1 | 42 | 1423 | 1050 |
| 583 | Applied Linguistics | 1 | 42 | 1192 | 693 |
| 583 | Phonetics | 1 | 42 | 646 | 488 |
| 583 | Melanoma | 1 | 42 | 514 | 522 |
| 583 | Biometrics | 3 | 42 | 1358 | 1640 |
| 588 | Public opinion | 5 | 41 | 327 | 741 |
| 588 | Parenteral nutrition | 2 | 41 | 1741 | 2141 |
| 590 | Information Theory | 1 | 40 | 2202 | 1654 |
| 590 | Intelligence | 1 | 40 | 497 | 472 |
| 590 | Vaccination | 1 | 40 | 630 | 598 |
| 590 | Marriage | 3 | 40 | 591 | 840 |
| 594 | Veterinary Epidemiology | 2 | 39 | 83 | 149 |
| 594 | men | 2 | 39 | 455 | 521 |
| 596 | Educational Leadership | 2 | 38 | 230 | 200 |
| 596 | Hemodynamics | 1 | 38 | 1251 | 1428 |
| 596 | Nonlinear Dynamics | 4 | 38 | 2230 | 2962 |
| 596 | Plant physiology | 1 | 38 | 3487 | 3525 |
| 596 | Hippocampus | 1 | 38 | 648 | 771 |
| 596 | Plant diseases | 1 | 38 | 3322 | 2768 |
| 596 | venom | 3 | 38 | 1065 | 1429 |
| 596 | Toxins | 3 | 38 | 1183 | 1547 |
| 604 | Atherosclerosis | 1 | 37 | 420 | 469 |
| 604 | Freeze-Drying | 3 | 37 | 621 | 816 |
| 604 | Hypothermia | 3 | 37 | 621 | 816 |
| 604 | Freeze Drying | 3 | 37 | 621 | 816 |
| 604 | individual differences | 1 | 37 | 528 | 584 |
| 604 | weight loss | 2 | 37 | 261 | 328 |
| 610 | Bioorganic chemistry | 2 | 36 | 3844 | 4416 |
| 610 | Shock Waves | 4 | 36 | 176 | 276 |
| 610 | nucleotides | 1 | 36 | 737 | 400 |
| 610 | cloning | 1 | 36 | 1415 | 1685 |
| 614 | pain management | 3 | 35 | 876 | 1273 |
| 614 | family violence | 4 | 35 | 389 | 830 |
| 616 | mutation | 2 | 34 | 997 | 1466 |
| 616 | Bioethics | 4 | 34 | 928 | 1375 |
| 616 | Mitochondria | 1 | 34 | 810 | 798 |
| 616 | rare diseases | 1 | 34 | 1482 | 1386 |
| 616 | Speech | 3 | 34 | 1061 | 1580 |
| 621 | Program Evaluation | 1 | 33 | 230 | 184 |
| 621 | evaluation | 1 | 33 | 411 | 273 |
| 623 | Asthma | 4 | 32 | 779 | 1394 |
| 623 | Lymphoma | 2 | 32 | 1215 | 691 |
| 623 | Antibacterial agents | 2 | 32 | 1160 | 1747 |
| 623 | Multiple Myeloma | 2 | 32 | 1207 | 673 |
| 623 | Cost control | 4 | 32 | 154 | 287 |
| 623 | Holistic Health | 3 | 32 | 522 | 788 |
| 623 | Nutrigenomics | 1 | 32 | 288 | 377 |
| 623 | Australia | 2 | 32 | 3056 | 3087 |
| 623 | Liquid chromatography | 3 | 32 | 642 | 724 |
| 632 | Chronobiology | 2 | 31 | 660 | 817 |
| 632 | Circadian rhythms | 2 | 31 | 461 | 735 |
| 632 | biological clocks | 2 | 31 | 660 | 817 |
| 632 | adolescence | 5 | 31 | 811 | 1727 |
| 632 | Religion and Psychology | 3 | 31 | 589 | 807 |
| 632 | cell adhesion molecules | 4 | 31 | 520 | 1317 |
| 632 | circadian rhythm | 2 | 31 | 660 | 817 |
| 632 | biological rhythms | 2 | 31 | 622 | 801 |
| 632 | Cerebrospinal fluid | 1 | 31 | 306 | 332 |
| 632 | mammals | 3 | 31 | 1329 | 1820 |
| 642 | Bioinorganic chemistry | 2 | 30 | 2002 | 2472 |
| 642 | Protein folding | 2 | 30 | 125 | 223 |
| 642 | X-rays | 1 | 30 | 1522 | 1126 |
| 642 | ethanol | 5 | 30 | 425 | 1073 |
| 642 | prions | 2 | 30 | 98 | 168 |
| 642 | Biodiversity | 2 | 30 | 3296 | 3998 |
| 648 | Neurolinguistics | 1 | 29 | 869 | 964 |
| 648 | Bioinformatics | 7 | 29 | 1745 | 3853 |
| 648 | anesthesia | 8 | 29 | 357 | 877 |
| 648 | social marketing | 2 | 29 | 82 | 121 |
| 648 | language | 1 | 29 | 1520 | 1372 |
| 653 | Tissue Engineering | 3 | 28 | 371 | 720 |
| 653 | Regenerative Medicine | 3 | 28 | 164 | 301 |
| 653 | Nutritional support | 1 | 28 | 411 | 509 |
| 653 | Lymphatic system | 1 | 28 | 252 | 236 |
| 657 | Environmental Microbiology | 1 | 27 | 2819 | 3325 |
| 657 | Emerging infectious diseases | 1 | 27 | 777 | 965 |
| 657 | Respiratory system | 3 | 27 | 787 | 1478 |
| 657 | child behavior | 1 | 27 | 790 | 866 |
| 657 | allied health | 2 | 27 | 374 | 581 |
| 662 | Adult Education | 6 | 26 | 391 | 814 |
| 662 | Genetic epidemiology | 1 | 26 | 668 | 774 |
| 662 | Safety management | 3 | 26 | 719 | 1182 |
| 662 | Trace elements | 1 | 26 | 663 | 880 |
| 666 | Histochemistry | 1 | 25 | 2259 | 2141 |
| 666 | Forensic Psychology | 3 | 25 | 469 | 756 |
| 666 | Forensic Psychiatry | 3 | 25 | 685 | 1005 |
| 666 | Continuing Education | 5 | 25 | 326 | 608 |
| 666 | risk factors | 2 | 25 | 1152 | 1558 |
| 666 | population policy | 2 | 25 | 236 | 348 |
| 666 | disaster relief | 2 | 25 | 336 | 585 |
| 666 | Protein engineering | 2 | 25 | 365 | 662 |
| 674 | Genetic Counseling | 5 | 24 | 254 | 653 |
| 674 | Game Theory | 1 | 24 | 1120 | 914 |
| 674 | Crystallization | 2 | 24 | 801 | 836 |
| 674 | Simulation Methods | 1 | 24 | 2078 | 1881 |
| 674 | Crystallography | 2 | 24 | 2388 | 2112 |
| 674 | Entropy | 3 | 24 | 1293 | 1833 |
| 674 | X-ray crystallography | 2 | 24 | 893 | 1006 |
| 681 | elder abuse | 2 | 23 | 446 | 768 |
| 681 | Statistical physics | 2 | 23 | 4655 | 5120 |
| 683 | Earthquakes | 3 | 22 | 459 | 712 |
| 683 | Africa | 2 | 22 | 2460 | 2590 |
| 683 | Youth | 1 | 22 | 1316 | 1401 |
| 686 | Radiologic Technology | 1 | 21 | 407 | 310 |
| 686 | Genetic Toxicology | 1 | 21 | 1075 | 1500 |
| 686 | Biosensors | 1 | 21 | 2391 | 3211 |
| 686 | Interventional Radiology | 1 | 21 | 407 | 310 |
| 686 | Combinatorial chemistry | 2 | 21 | 1337 | 2168 |
| 686 | Interventional Radiography | 1 | 21 | 407 | 310 |
| 686 | Fractals | 1 | 21 | 2280 | 2157 |
| 686 | Endoscopic Surgery | 1 | 21 | 407 | 310 |
| 686 | Screening | 5 | 21 | 129 | 568 |
| 695 | Socioeconomic Factors | 2 | 20 | 1207 | 2081 |
| 695 | ethnic groups | 1 | 20 | 702 | 800 |
| 695 | paraphilias | 1 | 20 | 405 | 531 |
| 695 | body temperature | 3 | 20 | 534 | 1210 |
| 695 | Marriage counseling | 1 | 20 | 675 | 792 |
| 695 | sexual behavior | 4 | 20 | 661 | 1549 |
| 701 | Epigenetics | 1 | 19 | 520 | 595 |
| 701 | Public Policy | 1 | 19 | 3661 | 4059 |
| 701 | Systems Analysis | 1 | 19 | 2233 | 2244 |
| 701 | Evolutionary Genetics | 1 | 19 | 1567 | 1866 |
| 701 | Molecular Epidemiology | 1 | 19 | 1567 | 1866 |
| 701 | Physical Chemistry | 1 | 19 | 3971 | 4137 |
| 701 | Epigenomics | 1 | 19 | 510 | 583 |
| 701 | disabilities | 3 | 19 | 917 | 1746 |
| 701 | dissociative disorders | 2 | 19 | 155 | 363 |
| 701 | genome | 4 | 19 | 1828 | 3878 |
| 701 | Gastrointestinal diseases | 3 | 19 | 982 | 1724 |
| 712 | Anthropology | 2 | 18 | 2479 | 2769 |
| 712 | Meteorology | 1 | 18 | 4214 | 4889 |
| 712 | Microelectronics | 1 | 18 | 3117 | 3373 |
| 712 | Risk assessment | 2 | 18 | 955 | 1470 |
| 712 | Socialization | 3 | 18 | 557 | 1262 |
| 712 | Groundwater | 1 | 18 | 1373 | 1518 |
| 712 | Chemical structure | 1 | 18 | 1190 | 970 |
| 712 | role | 2 | 18 | 577 | 1107 |
| 712 | miniaturization | 1 | 18 | 3353 | 3963 |
| 721 | Dietetics | 10 | 17 | 479 | 1712 |
| 721 | Organizational Behavior | 1 | 17 | 1016 | 1234 |
| 721 | Functional Genomics | 2 | 17 | 461 | 1108 |
| 721 | Health Physics | 1 | 17 | 574 | 463 |
| 721 | musculoskeletal system | 1 | 17 | 353 | 493 |
| 726 | Political Science | 1 | 16 | 3299 | 2495 |
| 726 | Occupational Therapy | 5 | 16 | 965 | 1994 |
| 726 | Engineering Ethics | 1 | 16 | 473 | 624 |
| 726 | Analytical Toxicology | 2 | 16 | 374 | 730 |
| 726 | War | 1 | 16 | 512 | 538 |
| 726 | Politics | 1 | 16 | 1390 | 869 |
| 726 | Crisis Intervention | 1 | 16 | 407 | 579 |
| 726 | Child welfare | 3 | 16 | 1374 | 2499 |
| 726 | Health risk communication | 1 | 16 | 175 | 251 |
| 726 | Professional ethics | 1 | 16 | 659 | 850 |
| 726 | warfare | 1 | 16 | 634 | 839 |
| 726 | refugees | 1 | 16 | 591 | 631 |
| 726 | government | 1 | 16 | 1476 | 1133 |
| 726 | Health Risk Assessment | 1 | 16 | 1129 | 1259 |
| 726 | Jurisprudence | 1 | 16 | 1951 | 1974 |
| 741 | Radiopharmaceuticals | 3 | 15 | 501 | 697 |
| 741 | Cell division | 1 | 15 | 1251 | 1670 |
| 741 | Geriatric Oncology | 4 | 15 | 641 | 1769 |
| 744 | Political Psychology | 1 | 14 | 627 | 836 |
| 744 | Polymers | 1 | 14 | 6973 | 7429 |
| 744 | management | 1 | 14 | 5999 | 6205 |
| 744 | polymerization | 1 | 14 | 5972 | 6326 |
| 744 | planning | 1 | 14 | 1581 | 1794 |
| 744 | Consciousness | 1 | 14 | 977 | 1067 |
| 744 | Hepatitis | 1 | 14 | 22 | 54 |
| 744 | Nitric oxide | 1 | 14 | 822 | 1037 |
| 752 | Astronomy | 1 | 13 | 4231 | 4686 |
| 752 | Demography | 1 | 13 | 1487 | 1751 |
| 752 | Counseling Psychology | 1 | 13 | 474 | 646 |
| 752 | Surface-Active Agents | 1 | 13 | 2097 | 2907 |
| 752 | Quality Assurance | 2 | 13 | 599 | 1126 |
| 752 | motivation | 2 | 13 | 464 | 893 |
| 752 | Sarcopenia | 1 | 13 | 875 | 1314 |
| 752 | Surface properties | 1 | 13 | 2208 | 3026 |
| 752 | harm reduction | 1 | 13 | 502 | 666 |
| 752 | Solar System | 1 | 13 | 1395 | 1620 |
| 762 | Immunogenetics | 3 | 12 | 964 | 1991 |
| 763 | Psychiatric Nursing | 2 | 11 | 1007 | 1725 |
| 763 | Pediatric Nursing | 2 | 11 | 816 | 1354 |
| 763 | Obstetric Nursing | 2 | 11 | 562 | 926 |
| 763 | occupational health and safety | 1 | 11 | 554 | 661 |
| 763 | Cell migration | 1 | 11 | 217 | 481 |
| 763 | Retinal diseases | 3 | 11 | 88 | 78 |
| 763 | Cell adhesion | 1 | 11 | 393 | 685 |
| 763 | Structure-activity relationship | 1 | 11 | 1012 | 1158 |
| 763 | Acarology | 1 | 11 | 654 | 892 |
| 763 | Mites | 1 | 11 | 895 | 1051 |
| 763 | Ticks | 1 | 11 | 707 | 918 |
| 763 | Acari | 1 | 11 | 626 | 886 |
| 763 | Thyroid hormones | 1 | 11 | 41 | 127 |
| 776 | Erectile dysfunction | 2 | 10 | 429 | 800 |
| 776 | Health care reform | 1 | 10 | 186 | 259 |
| 776 | Leadership | 1 | 10 | 995 | 1374 |
| 776 | Biomarkers | 2 | 10 | 722 | 1509 |
| 776 | Social interaction | 1 | 10 | 639 | 869 |
| 776 | Parkinson's disease | 1 | 10 | 541 | 872 |
| 776 | human development | 1 | 10 | 1456 | 1982 |
| 776 | Cannabis | 1 | 10 | 238 | 403 |
| 776 | cannabinoids | 1 | 10 | 222 | 365 |
| 776 | Decision making | 2 | 10 | 2335 | 3937 |
| 786 | physical therapy techniques | 4 | 9 | 155 | 418 |
| 786 | Rheology | 1 | 9 | 1199 | 1523 |
| 786 | Adolescent Psychology | 2 | 9 | 1269 | 2247 |
| 786 | Genetic testing | 3 | 9 | 395 | 1188 |
| 786 | data collection | 2 | 9 | 1801 | 3430 |
| 786 | toxicity testing | 1 | 9 | 1648 | 2387 |
| 786 | Fluorescence | 1 | 9 | 1059 | 1291 |
| 793 | Computer Graphics | 1 | 8 | 2997 | 3666 |
| 793 | Serology | 2 | 8 | 826 | 1643 |
| 793 | Immunohematology | 2 | 8 | 211 | 279 |
| 793 | Food Preservation | 1 | 8 | 1548 | 1977 |
| 793 | Amyotrophic Lateral Sclerosis | 1 | 8 | 588 | 905 |
| 793 | food technology | 1 | 8 | 4516 | 5773 |
| 793 | Frontotemporal lobar degeneration | 1 | 8 | 461 | 706 |
| 793 | Pastoral Theology | 1 | 8 | 326 | 186 |
| 793 | Cerebellum | 1 | 8 | 691 | 1062 |
| 793 | Scanning electron microscopy | 1 | 8 | 456 | 668 |
| 793 | Cerebellar ataxia | 1 | 8 | 691 | 1062 |
| 804 | Chemical Ecology | 1 | 7 | 1032 | 1579 |
| 804 | Environmental Chemistry | 1 | 7 | 4062 | 5288 |
| 804 | Behaviorism | 1 | 7 | 187 | 279 |
| 804 | Herbal medicine | 1 | 7 | 1534 | 2404 |
| 804 | Mutagenesis | 2 | 7 | 747 | 1625 |
| 804 | teratogenic agents | 2 | 7 | 365 | 930 |
| 804 | Pesticides | 1 | 7 | 1437 | 2035 |
| 804 | movement | 1 | 7 | 711 | 1104 |
| 804 | pheromones | 1 | 7 | 957 | 1488 |
| 804 | Psychological adaptation | 1 | 7 | 98 | 145 |
| 804 | Pregnancy | 1 | 7 | 1856 | 2701 |
| 804 | children | 1 | 7 | 1142 | 1537 |
| 816 | Humanities | 3 | 6 | 2288 | 3984 |
| 816 | Data Mining | 1 | 6 | 3570 | 4888 |
| 816 | Mobile Computing | 2 | 6 | 1688 | 2651 |
| 816 | Biopharmaceutics | 2 | 6 | 1886 | 3436 |
| 816 | Distance Education | 2 | 6 | 690 | 1513 |
| 816 | Community Psychology | 2 | 6 | 819 | 1779 |
| 816 | Communication Theory | 1 | 6 | 125 | 179 |
| 816 | Dialysis | 1 | 6 | 351 | 369 |
| 816 | Kidney transplantation | 1 | 6 | 196 | 285 |
| 816 | consumer behavior | 1 | 6 | 1070 | 1626 |
| 816 | Consumer Protection | 1 | 6 | 437 | 697 |
| 816 | Consumer education | 1 | 6 | 758 | 1303 |
| 816 | consumers | 1 | 6 | 794 | 1165 |
| 816 | Asia | 2 | 6 | 4366 | 6672 |
| 816 | Familial diseases | 1 | 6 | 583 | 948 |
| 816 | Insects | 2 | 6 | 2149 | 3356 |
| 816 | mathematical analysis | 2 | 6 | 3076 | 3821 |
| 833 | Speech-Language Pathology | 1 | 5 | 627 | 999 |
| 833 | Palliative Care | 2 | 5 | 1481 | 2819 |
| 833 | Dental Public Health | 1 | 5 | 402 | 624 |
| 833 | hospice care | 2 | 5 | 946 | 2077 |
| 833 | speech therapy | 1 | 5 | 829 | 1208 |
| 833 | poverty | 1 | 5 | 1024 | 1695 |
| 833 | Healing | 1 | 5 | 315 | 553 |
| 833 | Mass Spectrometry | 1 | 5 | 2369 | 3278 |
| 833 | Heart Failure | 1 | 5 | 897 | 1363 |
| 833 | Hearing | 2 | 5 | 1034 | 1913 |
| 833 | Pathogens | 1 | 5 | 262 | 603 |
| 833 | Longevity | 1 | 5 | 461 | 919 |
| 845 | Sustainable Architecture | 1 | 4 | 394 | 601 |
| 845 | Numerical Analysis | 2 | 4 | 3128 | 4767 |
| 845 | Music | 1 | 4 | 1937 | 2186 |
| 845 | health services accessibility | 3 | 4 | 1211 | 3199 |
| 845 | Long-Term Care | 1 | 4 | 1213 | 1884 |
| 845 | Long-term care facilities | 1 | 4 | 1198 | 1866 |
| 845 | Maternal health services | 1 | 4 | 1007 | 1689 |
| 845 | voice | 1 | 4 | 1049 | 1502 |
| 845 | nuclear magnetic resonance spectroscopy | 2 | 4 | 1135 | 1957 |
| 845 | families | 1 | 4 | 1684 | 2375 |
| 845 | drug interactions | 1 | 4 | 156 | 332 |
| 845 | extraterrestrial environment | 1 | 4 | 1340 | 1917 |
| 845 | liver | 1 | 4 | 770 | 1285 |
| 845 | Radiation effects | 1 | 4 | 1321 | 2048 |
| 859 | Ergonomics | 2 | 3 | 1580 | 2807 |
| 859 | Music Therapy | 1 | 3 | 540 | 957 |
| 859 | Lung Transplantation | 10 | 3 | 480 | 1419 |
| 859 | Environmental Management | 1 | 3 | 5191 | 7347 |
| 859 | environmental indicators | 1 | 3 | 2107 | 3402 |
| 859 | Cross-Cultural Studies | 2 | 3 | 1009 | 2366 |
| 859 | Land use | 1 | 3 | 2175 | 3327 |
| 859 | Behavioral research | 2 | 3 | 776 | 2083 |
| 859 | Food additives | 1 | 3 | 2329 | 3440 |
| 859 | Plant tissue culture | 1 | 3 | 1421 | 2103 |
| 859 | Heart transplantation | 10 | 3 | 480 | 1419 |
| 859 | Ubiquitous computing | 1 | 3 | 592 | 849 |
| 859 | Pacific Islands | 1 | 3 | 808 | 1355 |
| 859 | marketing | 1 | 3 | 3202 | 4243 |
| 859 | cross-cultural comparison | 2 | 3 | 815 | 1990 |
| 859 | residential treatment | 1 | 3 | 364 | 642 |
| 859 | Scandinavia | 1 | 3 | 1336 | 2018 |
| 859 | Plant cell culture | 1 | 3 | 1312 | 2057 |
| 859 | Investments | 1 | 3 | 1268 | 1921 |
| 878 | Dentistry | 1 | 2 | 1548 | 2151 |
| 878 | Bone regeneration | 1 | 2 | 3 | 15 |
| 878 | Neuroendocrinology | 1 | 2 | 348 | 635 |
| 878 | Randomized Controlled Trials | 2 | 2 | 1942 | 4034 |
| 878 | natural history museums | 1 | 2 | 245 | 315 |
| 878 | animals | 1 | 2 | 2555 | 3685 |
| 878 | Physicians | 3 | 2 | 85 | 225 |
| 878 | software | 1 | 2 | 2018 | 3309 |
| 878 | Israel | 1 | 2 | 343 | 481 |
| 878 | Muscle contraction | 1 | 2 | 733 | 1146 |
| 878 | Pancreatic diseases | 1 | 2 | 1112 | 1275 |
| 889 | Cochlear Implants | 1 | 1 | 243 | 481 |
| 889 | Photography | 1 | 1 | 3467 | 3878 |
| 889 | mental health policy | 2 | 1 | 317 | 899 |
| 889 | Critical Pedagogy | 1 | 1 | 193 | 462 |
| 889 | Feasibility studies | 1 | 1 | 696 | 1340 |
| 889 | Social Change | 1 | 1 | 1907 | 3150 |
| 889 | Informed consent | 1 | 1 | 75 | 214 |
| 889 | ecosystem | 1 | 1 | 2546 | 3973 |
| 889 | Hegemony | 1 | 1 | 75 | 193 |
| 889 | drinking water | 1 | 1 | 347 | 841 |
| 889 | Administration | 1 | 1 | 198 | 473 |
| 889 | Multiple sclerosis | 1 | 1 | 1338 | 2047 |
| 889 | Menopause | 1 | 1 | 738 | 1271 |
| 902 | Law | 1 | 0 | 2912 | 3783 |
| 902 | Pediatric Gastroenterology | 1 | 0 | 101 | 207 |
| 902 | Medical Imaging | 1 | 0 | 749 | 1099 |
| 902 | Public Health Informatics | 1 | 0 | 242 | 422 |
| 902 | Dynamics | 1 | 0 | 3291 | 4821 |
| 902 | Educational Technology | 2 | 0 | 2206 | 5028 |
| 902 | Quantum Chemistry | 1 | 0 | 1717 | 2546 |
| 902 | Radiochemistry | 1 | 0 | 2051 | 3092 |
| 902 | Total Quality Management | 1 | 0 | 1201 | 2244 |
| 902 | patient satisfaction | 1 | 0 | 375 | 889 |
| 902 | Altitude Sickness | 1 | 0 | 377 | 793 |
| 902 | Bifurcation Theory | 1 | 0 | 1257 | 1938 |
| 902 | Integrative Medicine | 1 | 0 | 725 | 1424 |
| 902 | Interdisciplinary Research | 1 | 0 | 59 | 142 |
| 902 | Organ transplantation | 1 | 0 | 862 | 1406 |
| 902 | Technology | 1 | 0 | 7966 | 11006 |
| 902 | Brachytherapy | 1 | 0 | 684 | 909 |
| 902 | Altitude | 1 | 0 | 377 | 793 |
| 902 | Catholicism | 1 | 0 | 181 | 302 |
| 902 | Budget | 1 | 0 | 339 | 678 |
| 902 | Germany | 1 | 0 | 1605 | 2523 |
| 902 | national security | 1 | 0 | 823 | 1311 |
| 902 | Endocrine system | 6 | 0 | 757 | 1922 |
| 902 | Autism | 1 | 0 | 1454 | 2413 |
| 902 | Birth control | 1 | 0 | 1049 | 2019 |