| 1 | Medicine | 704 | 60.9K | 439 | 245 |
| 2 | Biochemistry | 831 | 43.3K | 462 | 348 |
| 3 | Molecular Biology | 562 | 39.0K | 450 | 352 |
| 4 | Biology | 669 | 35.5K | 425 | 618 |
| 5 | Science | 382 | 29.6K | 714 | 720 |
| 6 | Microbiology | 399 | 26.7K | 399 | 338 |
| 7 | Research | 484 | 22.8K | 450 | 358 |
| 8 | Cell Biology | 330 | 21.9K | 244 | 300 |
| 9 | Neurology | 480 | 21.7K | 312 | 366 |
| 10 | Cytology | 299 | 20.6K | 306 | 321 |
| 11 | Physics | 133 | 17.6K | 1720 | 1063 |
| 12 | Psychiatry | 286 | 17.6K | 257 | 229 |
| 13 | Surgery | 80 | 16.8K | 232 | 100 |
| 14 | Endocrinology | 253 | 16.1K | 192 | 176 |
| 15 | Physiology | 290 | 14.9K | 245 | 202 |
| 16 | Biophysics | 379 | 13.5K | 371 | 330 |
| 17 | Pharmacology | 328 | 13.3K | 376 | 299 |
| 18 | Diabetes | 112 | 12.5K | 205 | 102 |
| 19 | Diabetes mellitus | 105 | 12.4K | 183 | 94 |
| 20 | Aging | 264 | 12.2K | 134 | 95 |
| 21 | Immunology | 266 | 11.4K | 298 | 374 |
| 22 | Metabolism | 155 | 11.0K | 248 | 205 |
| 23 | Natural history | 33 | 10.6K | 1039 | 819 |
| 24 | Metabolic diseases | 115 | 10.6K | 229 | 170 |
| 25 | Biocompatible Materials | 91 | 9.9K | 664 | 348 |
| 26 | brain mapping | 50 | 9.5K | 66 | 12 |
| 27 | Chemistry | 175 | 9.5K | 1529 | 1253 |
| 28 | Genetics | 115 | 9.1K | 464 | 419 |
| 29 | Geriatrics | 234 | 8.9K | 165 | 153 |
| 30 | Neurophysiology | 117 | 8.5K | 369 | 301 |
| 31 | Research Design | 39 | 8.4K | 183 | 43 |
| 32 | Epidemiology | 70 | 8.4K | 610 | 232 |
| 33 | Medical Microbiology | 140 | 8.0K | 148 | 158 |
| 34 | Human genetics | 51 | 7.9K | 498 | 564 |
| 35 | Mental Disorders | 114 | 7.8K | 319 | 258 |
| 36 | Virology | 109 | 7.7K | 412 | 468 |
| 37 | Public Health | 96 | 7.0K | 800 | 451 |
| 38 | Psychopharmacology | 118 | 6.9K | 105 | 107 |
| 39 | Psychophysiology | 110 | 6.5K | 369 | 313 |
| 40 | Brain | 125 | 6.3K | 307 | 267 |
| 41 | Cancer | 187 | 6.2K | 311 | 450 |
| 42 | Oncology | 79 | 6.2K | 244 | 317 |
| 43 | Obstetrics | 101 | 6.0K | 230 | 127 |
| 44 | Medical genetics | 97 | 5.9K | 412 | 407 |
| 45 | free radicals | 52 | 5.8K | 142 | 64 |
| 46 | Oncogenes | 51 | 5.5K | 189 | 127 |
| 47 | Hematology | 174 | 5.3K | 339 | 429 |
| 48 | Urology | 118 | 5.2K | 160 | 142 |
| 49 | Cardiovascular system | 32 | 5.1K | 407 | 238 |
| 50 | Diagnostic microbiology | 92 | 5.0K | 79 | 142 |
| 51 | Health | 35 | 4.9K | 457 | 122 |
| 52 | Gerontology | 160 | 4.8K | 133 | 94 |
| 53 | Neurochemistry | 97 | 4.8K | 303 | 260 |
| 54 | Chronic diseases | 9 | 4.6K | 314 | 73 |
| 55 | Infertility | 122 | 4.5K | 39 | 75 |
| 55 | fertility | 122 | 4.5K | 45 | 79 |
| 57 | Nursing | 33 | 4.5K | 375 | 41 |
| 58 | Orthopedics | 78 | 4.4K | 178 | 92 |
| 59 | Obesity | 78 | 4.3K | 242 | 204 |
| 60 | Psychology | 161 | 4.1K | 521 | 585 |
| 61 | Environment | 56 | 4.0K | 1072 | 1004 |
| 62 | Hypertension | 36 | 4.0K | 380 | 271 |
| 63 | Mental illness | 70 | 3.7K | 274 | 281 |
| 64 | drug therapy | 110 | 3.6K | 223 | 231 |
| 65 | Neurobiology | 59 | 3.5K | 307 | 306 |
| 66 | Cell metabolism | 14 | 3.5K | 196 | 130 |
| 67 | Genetic regulation | 42 | 3.5K | 162 | 160 |
| 68 | Homeostasis | 12 | 3.5K | 150 | 122 |
| 69 | cell physiology | 88 | 3.5K | 127 | 209 |
| 70 | Immunity | 36 | 3.5K | 502 | 502 |
| 71 | Biomedical Engineering | 57 | 3.4K | 1096 | 701 |
| 72 | Respiration | 53 | 3.3K | 222 | 141 |
| 73 | Pediatrics | 79 | 3.2K | 296 | 341 |
| 74 | Bones | 39 | 3.2K | 90 | 69 |
| 75 | Liver diseases | 43 | 3.2K | 289 | 297 |
| 76 | Gene expression regulation | 31 | 3.1K | 161 | 135 |
| 77 | Reproduction | 84 | 3.1K | 295 | 260 |
| 78 | alcoholism | 94 | 3.0K | 148 | 167 |
| 79 | Toxicology | 89 | 3.0K | 744 | 757 |
| 80 | Cytogenetics | 34 | 2.9K | 330 | 281 |
| 81 | Nutrition | 77 | 2.9K | 697 | 681 |
| 82 | Developmental Biology | 30 | 2.9K | 567 | 420 |
| 83 | viruses | 56 | 2.9K | 269 | 293 |
| 84 | Bioengineering | 23 | 2.9K | 1614 | 900 |
| 85 | Neuropsychiatry | 31 | 2.9K | 158 | 45 |
| 86 | Bipolar Disorder | 33 | 2.8K | 54 | 37 |
| 87 | Biotechnology | 31 | 2.7K | 2203 | 1406 |
| 88 | Behavior | 75 | 2.7K | 486 | 589 |
| 89 | United States | 123 | 2.7K | 554 | 671 |
| 90 | Hormones | 48 | 2.6K | 185 | 129 |
| 91 | Genomics | 46 | 2.5K | 689 | 499 |
| 92 | Molecular Microbiology | 22 | 2.4K | 261 | 193 |
| 93 | Therapeutics | 64 | 2.3K | 216 | 261 |
| 94 | Alzheimer's disease | 186 | 2.3K | 107 | 159 |
| 95 | Clinical Psychology | 44 | 2.3K | 270 | 291 |
| 96 | Medical Oncology | 76 | 2.2K | 215 | 307 |
| 97 | Schizophrenia | 40 | 2.2K | 206 | 171 |
| 98 | Memory | 52 | 2.1K | 328 | 290 |
| 99 | Developmental Genetics | 18 | 2.1K | 181 | 175 |
| 100 | Attention | 53 | 2.1K | 288 | 231 |
| 101 | Virulence | 23 | 2.1K | 341 | 299 |
| 102 | Pathology | 47 | 2.1K | 501 | 488 |
| 103 | proteins | 63 | 2.0K | 287 | 326 |
| 104 | Visual Perception | 50 | 2.0K | 288 | 229 |
| 104 | Perception | 50 | 2.0K | 352 | 296 |
| 106 | Dementia | 179 | 2.0K | 102 | 150 |
| 107 | Medical Physics | 99 | 2.0K | 197 | 317 |
| 108 | biological factors | 29 | 2.0K | 435 | 222 |
| 109 | viral genetics | 11 | 1.9K | 145 | 147 |
| 110 | Mycology | 52 | 1.9K | 245 | 241 |
| 111 | Primary health care | 43 | 1.9K | 292 | 169 |
| 112 | Child | 57 | 1.9K | 369 | 315 |
| 113 | Signal Transduction | 36 | 1.9K | 246 | 276 |
| 114 | Nervous system | 24 | 1.8K | 767 | 566 |
| 115 | personality | 7 | 1.8K | 874 | 353 |
| 116 | Radiobiology | 51 | 1.8K | 254 | 270 |
| 117 | Dentistry | 69 | 1.7K | 41 | 32 |
| 118 | Neuropsychology | 52 | 1.7K | 436 | 450 |
| 119 | Health Services Research | 28 | 1.7K | 393 | 228 |
| 120 | Pharmaceutical Chemistry | 56 | 1.7K | 888 | 955 |
| 121 | Chemotherapy | 49 | 1.7K | 193 | 180 |
| 122 | Host-parasite interactions | 17 | 1.6K | 434 | 393 |
| 122 | enzymes | 23 | 1.6K | 425 | 207 |
| 124 | Critical Care | 22 | 1.6K | 507 | 458 |
| 124 | Critical Care Medicine | 22 | 1.6K | 484 | 459 |
| 126 | Ophthalmology | 40 | 1.6K | 393 | 327 |
| 127 | Leukemia | 24 | 1.6K | 323 | 300 |
| 128 | Clinical Trials | 38 | 1.6K | 73 | 41 |
| 129 | Cerebral cortex | 16 | 1.6K | 346 | 215 |
| 130 | Oxidation-reduction | 21 | 1.6K | 160 | 174 |
| 131 | drug addiction | 42 | 1.6K | 210 | 217 |
| 132 | human behavior | 33 | 1.5K | 592 | 690 |
| 133 | gene mapping | 43 | 1.5K | 361 | 511 |
| 134 | Molecular structure | 14 | 1.5K | 1107 | 463 |
| 135 | Biochemical Engineering | 9 | 1.5K | 1989 | 1262 |
| 135 | Immune system | 10 | 1.5K | 506 | 422 |
| 137 | Immunotherapy | 11 | 1.5K | 956 | 480 |
| 138 | Cell differentiation | 38 | 1.5K | 416 | 578 |
| 139 | calcification | 26 | 1.5K | 69 | 59 |
| 140 | Chromosome mapping | 40 | 1.4K | 329 | 418 |
| 141 | Neuromuscular diseases | 33 | 1.4K | 94 | 89 |
| 141 | Muscles | 33 | 1.4K | 135 | 150 |
| 143 | Antioxidants | 19 | 1.4K | 151 | 151 |
| 144 | Anatomy | 42 | 1.4K | 428 | 450 |
| 145 | Substance Abuse | 60 | 1.4K | 205 | 232 |
| 146 | Histology | 69 | 1.4K | 227 | 420 |
| 147 | United Kingdom | 20 | 1.4K | 544 | 400 |
| 148 | nucleic acids | 31 | 1.3K | 519 | 676 |
| 149 | Stem cells | 39 | 1.3K | 323 | 391 |
| 150 | Cognition | 9 | 1.3K | 943 | 405 |
| 151 | arthritis | 21 | 1.3K | 414 | 391 |
| 152 | rehabilitation | 72 | 1.3K | 249 | 435 |
| 153 | behavior therapy | 58 | 1.3K | 109 | 168 |
| 154 | genome | 11 | 1.2K | 768 | 569 |
| 155 | Clinical Chemistry | 33 | 1.2K | 827 | 807 |
| 156 | Nanotechnology | 19 | 1.2K | 2236 | 1701 |
| 157 | Steroids | 44 | 1.2K | 117 | 140 |
| 158 | North America | 107 | 1.2K | 22 | 55 |
| 159 | older people | 123 | 1.2K | 127 | 187 |
| 160 | cardiac catheterization | 27 | 1.2K | 182 | 81 |
| 161 | drugs | 31 | 1.2K | 513 | 401 |
| 162 | Health Policy | 25 | 1.2K | 638 | 447 |
| 163 | Pediatric Neurology | 10 | 1.1K | 502 | 418 |
| 164 | Physical Therapy | 54 | 1.1K | 165 | 292 |
| 165 | Neuropharmacology | 26 | 1.1K | 71 | 55 |
| 166 | Sleep | 58 | 1.1K | 230 | 379 |
| 167 | Radiology | 49 | 1.0K | 217 | 210 |
| 168 | Ecology | 7 | 1.0K | 4382 | 2553 |
| 169 | protein | 28 | 1.0K | 291 | 296 |
| 170 | Lipids | 14 | 1.0K | 513 | 355 |
| 171 | Sleep Disorders | 57 | 1.0K | 237 | 390 |
| 172 | drug abuse | 35 | 1.0K | 85 | 70 |
| 173 | Medical Laboratory Science | 33 | 1.0K | 516 | 708 |
| 174 | Health Education | 40 | 997 | 372 | 360 |
| 175 | Rheumatology | 12 | 993 | 547 | 366 |
| 176 | pain | 33 | 990 | 289 | 385 |
| 177 | Diet | 20 | 979 | 734 | 745 |
| 178 | Oxidative stress | 16 | 972 | 358 | 302 |
| 179 | medical education | 59 | 960 | 257 | 347 |
| 180 | Thrombosis | 15 | 953 | 404 | 281 |
| 181 | mycoses | 28 | 950 | 100 | 310 |
| 182 | Personality Assessment | 7 | 943 | 340 | 135 |
| 183 | Developmental Disabilities | 4 | 930 | 813 | 282 |
| 184 | Chromosomes | 22 | 922 | 235 | 241 |
| 185 | Environmental Health | 21 | 919 | 2121 | 1959 |
| 186 | Proteome | 21 | 917 | 331 | 362 |
| 187 | Cerebellum | 4 | 916 | 219 | 46 |
| 187 | Cerebellar ataxia | 4 | 916 | 219 | 46 |
| 189 | Adolescent | 45 | 909 | 362 | 462 |
| 190 | Biological Systems | 2 | 902 | 1041 | 68 |
| 191 | Mental Health Services | 30 | 898 | 291 | 238 |
| 192 | Functional Genomics | 2 | 894 | 348 | 52 |
| 193 | Community Psychiatry | 25 | 891 | 229 | 241 |
| 194 | Microbial Ecology | 6 | 881 | 1643 | 983 |
| 195 | Biomechanics | 13 | 871 | 607 | 349 |
| 196 | Child Development | 9 | 866 | 1077 | 587 |
| 197 | Bacteriology | 24 | 859 | 616 | 766 |
| 198 | Post-traumatic stress disorder | 39 | 826 | 107 | 212 |
| 199 | Genetic engineering | 21 | 825 | 731 | 747 |
| 200 | amino acids | 7 | 818 | 291 | 68 |
| 201 | mutation | 15 | 803 | 163 | 148 |
| 202 | vascular diseases | 13 | 802 | 260 | 240 |
| 203 | Occupational Therapy | 31 | 800 | 184 | 101 |
| 204 | Transplantation | 16 | 796 | 450 | 438 |
| 205 | carcinogens | 25 | 780 | 193 | 280 |
| 206 | Emergency Medicine | 41 | 778 | 264 | 270 |
| 207 | Mental Health | 85 | 775 | 134 | 344 |
| 208 | Pharmacy | 15 | 762 | 883 | 615 |
| 209 | Carcinogenesis | 14 | 761 | 359 | 307 |
| 210 | Thorax | 14 | 745 | 140 | 119 |
| 211 | Fungi | 9 | 738 | 574 | 388 |
| 212 | Analytical Chemistry | 19 | 735 | 2049 | 1763 |
| 213 | Dermatology | 39 | 718 | 406 | 531 |
| 214 | preventive medicine | 14 | 713 | 483 | 402 |
| 215 | Systems Biology | 26 | 712 | 363 | 401 |
| 216 | nanoscience | 10 | 696 | 1758 | 1270 |
| 217 | Clinical Biochemistry | 15 | 687 | 423 | 330 |
| 218 | blood transfusion | 28 | 680 | 173 | 170 |
| 219 | Drug delivery systems | 11 | 675 | 715 | 575 |
| 220 | Otolaryngology | 24 | 668 | 120 | 121 |
| 221 | Psychiatric hospitals | 20 | 667 | 92 | 66 |
| 222 | natural products | 20 | 662 | 571 | 453 |
| 223 | Recombinant DNA | 18 | 652 | 498 | 434 |
| 224 | Smoking | 20 | 626 | 233 | 257 |
| 225 | Biopharmaceutics | 8 | 622 | 668 | 351 |
| 226 | Medical Technology | 16 | 618 | 573 | 447 |
| 226 | Pharmacogenetics | 16 | 618 | 311 | 324 |
| 226 | Immunopathology | 27 | 618 | 349 | 493 |
| 229 | Sociology | 27 | 615 | 865 | 910 |
| 230 | Health promotion | 28 | 613 | 326 | 426 |
| 231 | Neurons | 8 | 612 | 357 | 636 |
| 232 | Animal Behavior | 11 | 610 | 954 | 823 |
| 233 | Social Psychology | 13 | 601 | 953 | 802 |
| 234 | Cell death | 16 | 600 | 502 | 692 |
| 235 | Primates | 31 | 591 | 139 | 190 |
| 236 | Biomolecules | 3 | 588 | 465 | 152 |
| 237 | tomography | 16 | 579 | 89 | 56 |
| 238 | Radiography | 28 | 574 | 188 | 400 |
| 239 | Psychiatric Nursing | 71 | 572 | 13 | 67 |
| 240 | Genetic therapy | 16 | 570 | 422 | 474 |
| 240 | Vaccines | 16 | 570 | 750 | 704 |
| 242 | General Surgery | 35 | 549 | 132 | 145 |
| 243 | Molecular cloning | 15 | 548 | 551 | 486 |
| 244 | child abuse | 19 | 545 | 230 | 293 |
| 245 | Orthopedic Surgery | 19 | 541 | 228 | 242 |
| 245 | Microscopy | 15 | 541 | 603 | 390 |
| 247 | Analytical Biochemistry | 10 | 535 | 924 | 588 |
| 248 | biomedicine | 3 | 524 | 996 | 162 |
| 249 | Genetic recombination | 14 | 522 | 563 | 496 |
| 249 | Membranes | 13 | 522 | 843 | 898 |
| 251 | Materials | 9 | 520 | 3791 | 2787 |
| 251 | Child psychology | 7 | 520 | 896 | 668 |
| 253 | Hemodynamics | 14 | 511 | 244 | 318 |
| 254 | Pharmacognosy | 18 | 510 | 650 | 774 |
| 255 | drug development | 13 | 506 | 371 | 666 |
| 256 | Structure-activity relationship | 2 | 500 | 590 | 101 |
| 257 | Gene expression | 5 | 497 | 173 | 76 |
| 258 | Hematopoietic stem cell transplantation | 9 | 491 | 165 | 135 |
| 259 | Molecular Pharmacology | 11 | 489 | 319 | 345 |
| 260 | mutagens | 11 | 488 | 361 | 401 |
| 261 | Medical innovations | 10 | 487 | 449 | 755 |
| 262 | behavioral medicine | 23 | 486 | 340 | 601 |
| 262 | Electrophysiology | 14 | 486 | 424 | 277 |
| 264 | epilepsy | 17 | 469 | 280 | 283 |
| 265 | Sports Medicine | 31 | 467 | 704 | 909 |
| 266 | cloning | 13 | 461 | 224 | 416 |
| 267 | Cellular senescence | 9 | 455 | 337 | 325 |
| 268 | infection | 14 | 454 | 709 | 797 |
| 268 | cell interaction | 18 | 454 | 372 | 540 |
| 270 | Pollution | 9 | 441 | 3358 | 3160 |
| 271 | Embryology | 17 | 440 | 635 | 885 |
| 271 | Infections | 11 | 440 | 514 | 643 |
| 273 | Anxiety Disorders | 11 | 439 | 214 | 322 |
| 273 | Anxiety | 11 | 439 | 215 | 323 |
| 275 | Computational Biology | 16 | 431 | 1205 | 1308 |
| 276 | Bioorganic chemistry | 24 | 428 | 1059 | 1458 |
| 277 | Psychosomatic Medicine | 14 | 426 | 266 | 350 |
| 278 | Bioinformatics | 16 | 425 | 890 | 1037 |
| 279 | Autoimmunity | 8 | 418 | 387 | 385 |
| 280 | sexual behavior | 7 | 413 | 366 | 243 |
| 281 | Community Psychology | 7 | 406 | 321 | 253 |
| 281 | ethanol | 20 | 406 | 92 | 139 |
| 283 | Global Health | 5 | 401 | 789 | 252 |
| 284 | Andrology | 12 | 397 | 243 | 203 |
| 284 | Androgens | 10 | 397 | 76 | 82 |
| 286 | Endocrine system | 15 | 380 | 243 | 54 |
| 287 | Audiology | 25 | 379 | 195 | 306 |
| 287 | Proteomics | 10 | 379 | 546 | 590 |
| 289 | Medical Anthropology | 14 | 373 | 469 | 723 |
| 290 | Psychoneuroimmunology | 9 | 371 | 264 | 382 |
| 290 | Neuroimmunology | 9 | 371 | 307 | 411 |
| 292 | heredity | 7 | 370 | 395 | 220 |
| 293 | Learning | 12 | 369 | 582 | 597 |
| 294 | Autoimmune diseases | 8 | 367 | 320 | 305 |
| 294 | Women's health | 15 | 367 | 403 | 406 |
| 296 | Developmental Neurobiology | 8 | 366 | 234 | 151 |
| 297 | gene therapy | 9 | 365 | 611 | 669 |
| 298 | Environmental Toxicology | 9 | 363 | 1423 | 1393 |
| 299 | Respiratory system | 4 | 359 | 490 | 242 |
| 300 | Hospitals | 16 | 358 | 189 | 214 |
| 301 | Globalization | 2 | 357 | 735 | 154 |
| 301 | Autoantibodies | 6 | 357 | 366 | 276 |
| 301 | international cooperation | 2 | 357 | 764 | 217 |
| 304 | Genetic epidemiology | 5 | 355 | 182 | 115 |
| 304 | Parenteral nutrition | 18 | 355 | 311 | 541 |
| 306 | Clinical Pharmacology | 15 | 354 | 584 | 631 |
| 307 | Inflammation | 7 | 352 | 793 | 699 |
| 308 | Biosensors | 4 | 347 | 1139 | 928 |
| 309 | Geriatric Medicine | 12 | 342 | 21 | 30 |
| 310 | Adolescent Medicine | 9 | 337 | 251 | 493 |
| 311 | Environmental Engineering | 3 | 336 | 3905 | 2212 |
| 312 | psychotherapy | 15 | 335 | 526 | 649 |
| 313 | Crystallography | 4 | 334 | 1517 | 472 |
| 314 | Extracellular matrix | 9 | 333 | 87 | 159 |
| 314 | collagen | 9 | 333 | 99 | 171 |
| 316 | Drug design | 15 | 332 | 646 | 872 |
| 317 | Growth | 5 | 327 | 897 | 874 |
| 318 | Polymers | 10 | 320 | 2761 | 2342 |
| 318 | Radiation | 12 | 320 | 1046 | 915 |
| 320 | vitamins | 5 | 319 | 63 | 51 |
| 321 | Organic Chemistry | 22 | 316 | 1370 | 1767 |
| 322 | Infection control | 6 | 313 | 393 | 248 |
| 323 | RNA | 8 | 312 | 277 | 333 |
| 324 | Mass Spectrometry | 8 | 310 | 713 | 584 |
| 325 | Food | 8 | 309 | 1992 | 1836 |
| 326 | Speech Disorders | 11 | 307 | 477 | 483 |
| 327 | Radiotherapy | 12 | 300 | 148 | 81 |
| 327 | DNA repair | 5 | 300 | 199 | 146 |
| 329 | Clinical Immunology | 17 | 299 | 444 | 693 |
| 329 | Radioisotopes | 10 | 299 | 592 | 355 |
| 331 | Bioelectronics | 2 | 291 | 1366 | 925 |
| 332 | Suicide | 10 | 288 | 234 | 223 |
| 333 | Molecular Genetics | 16 | 286 | 758 | 1253 |
| 334 | Endocrine glands | 4 | 285 | 188 | 237 |
| 335 | Evolutionary Genetics | 2 | 284 | 907 | 251 |
| 335 | Molecular Epidemiology | 2 | 284 | 907 | 251 |
| 337 | Erectile dysfunction | 1 | 281 | 485 | 83 |
| 337 | behavior modification | 6 | 281 | 260 | 277 |
| 339 | scientific societies | 6 | 279 | 481 | 336 |
| 340 | Parasitology | 9 | 278 | 1489 | 1279 |
| 341 | Colloids | 5 | 275 | 2842 | 2365 |
| 342 | Reproductive toxicology | 3 | 271 | 434 | 231 |
| 342 | Digestive system diseases | 9 | 271 | 519 | 483 |
| 344 | Zoology | 2 | 266 | 2995 | 1226 |
| 345 | Agricultural Chemistry | 3 | 265 | 2409 | 1448 |
| 346 | Elderly | 90 | 264 | 126 | 314 |
| 347 | Cytoskeleton | 7 | 263 | 133 | 130 |
| 348 | Bone diseases | 2 | 261 | 592 | 346 |
| 349 | Enteral nutrition | 10 | 259 | 374 | 554 |
| 349 | vitamin C | 4 | 259 | 322 | 233 |
| 349 | vitamin E | 4 | 259 | 322 | 233 |
| 352 | Environmental monitoring | 6 | 255 | 2866 | 2733 |
| 353 | elder abuse | 8 | 251 | 137 | 143 |
| 353 | Family | 9 | 251 | 483 | 434 |
| 355 | Occupational Health | 7 | 250 | 642 | 433 |
| 356 | Diagnostic Imaging | 14 | 247 | 883 | 1153 |
| 357 | Anthropology | 8 | 246 | 945 | 669 |
| 357 | Neurosurgery | 16 | 246 | 363 | 622 |
| 357 | Genetic disorders | 2 | 246 | 588 | 264 |
| 360 | cytokines | 8 | 241 | 801 | 918 |
| 361 | Physical Chemistry | 5 | 240 | 1843 | 1429 |
| 362 | Tissue Engineering | 1 | 239 | 612 | 157 |
| 363 | polymerization | 6 | 238 | 2843 | 2242 |
| 364 | Social Sciences | 13 | 235 | 1792 | 1468 |
| 365 | Speech | 7 | 234 | 560 | 543 |
| 366 | histological techniques | 8 | 233 | 369 | 518 |
| 367 | environmental protection | 4 | 231 | 3159 | 2416 |
| 367 | Animal welfare | 1 | 231 | 579 | 119 |
| 367 | Parasitic Diseases | 7 | 231 | 1403 | 1319 |
| 370 | Histochemistry | 11 | 230 | 507 | 581 |
| 371 | violence | 14 | 227 | 367 | 540 |
| 372 | Neuroendocrinology | 3 | 225 | 111 | 165 |
| 373 | Lipid metabolism | 6 | 222 | 243 | 290 |
| 373 | Lipid | 6 | 222 | 241 | 291 |
| 375 | Depression | 7 | 219 | 175 | 365 |
| 376 | Botany | 3 | 215 | 3635 | 2674 |
| 376 | Cell division | 10 | 215 | 186 | 334 |
| 378 | sanitation | 2 | 213 | 1844 | 1535 |
| 379 | Biometrics | 11 | 212 | 541 | 601 |
| 380 | Cognitive Therapy | 17 | 211 | 183 | 354 |
| 381 | family violence | 7 | 210 | 234 | 263 |
| 382 | Synaptic Transmission | 14 | 207 | 150 | 325 |
| 383 | Phytotherapy | 11 | 206 | 287 | 490 |
| 384 | Nanostructures | 4 | 204 | 2014 | 1555 |
| 385 | Nuclear Medicine | 12 | 203 | 469 | 643 |
| 385 | Palliative Care | 13 | 203 | 319 | 425 |
| 385 | hospice care | 13 | 203 | 170 | 209 |
| 388 | Personality Disorders | 3 | 201 | 264 | 169 |
| 389 | Spine | 6 | 199 | 467 | 564 |
| 390 | sex crimes | 10 | 197 | 271 | 336 |
| 391 | Alternative Medicine | 7 | 196 | 1219 | 1165 |
| 391 | complementary therapies | 7 | 196 | 1319 | 1193 |
| 393 | Ethology | 4 | 192 | 1243 | 1258 |
| 394 | Microorganisms | 1 | 191 | 1691 | 974 |
| 395 | Psychiatric Epidemiology | 3 | 190 | 486 | 400 |
| 396 | nuclear magnetic resonance | 12 | 189 | 540 | 627 |
| 397 | Materials Science | 5 | 187 | 3734 | 3166 |
| 398 | mental health policy | 5 | 183 | 142 | 112 |
| 398 | Plants | 2 | 183 | 2451 | 1589 |
| 400 | Evidence-Based Medicine | 17 | 182 | 380 | 721 |
| 400 | Trace elements | 3 | 182 | 270 | 200 |
| 402 | Cognitive Behavioral Therapy | 14 | 179 | 45 | 139 |
| 403 | adolescence | 9 | 178 | 463 | 605 |
| 403 | Sports | 16 | 178 | 833 | 1101 |
| 405 | Hemostasis | 3 | 176 | 732 | 438 |
| 405 | counseling | 7 | 176 | 797 | 754 |
| 407 | Hearing | 6 | 175 | 441 | 387 |
| 408 | Kidney diseases | 9 | 174 | 504 | 684 |
| 409 | cell movement | 4 | 172 | 180 | 207 |
| 409 | health planning | 2 | 172 | 2650 | 1267 |
| 411 | Vision | 2 | 171 | 747 | 494 |
| 412 | Antibacterial agents | 3 | 170 | 679 | 545 |
| 412 | drug evaluation | 7 | 170 | 876 | 920 |
| 414 | Emerging infectious diseases | 1 | 167 | 716 | 230 |
| 415 | Plant genetic engineering | 3 | 163 | 958 | 855 |
| 415 | Geriatric Oncology | 5 | 163 | 397 | 468 |
| 417 | Neurotoxicology | 3 | 161 | 560 | 437 |
| 418 | transport vesicles | 1 | 159 | 462 | 413 |
| 419 | Pharmaceutical Technology | 9 | 156 | 900 | 1237 |
| 419 | Patient education | 6 | 156 | 369 | 471 |
| 419 | Genes | 6 | 156 | 799 | 816 |
| 422 | cell proliferation | 10 | 155 | 110 | 216 |
| 422 | Antibodies | 11 | 155 | 274 | 510 |
| 422 | Antigens | 11 | 155 | 412 | 666 |
| 425 | Functional foods | 3 | 154 | 368 | 231 |
| 425 | Intellectual disability | 3 | 154 | 787 | 534 |
| 427 | Environmental Psychology | 3 | 152 | 344 | 391 |
| 428 | health behavior | 7 | 150 | 568 | 711 |
| 428 | Amyotrophic Lateral Sclerosis | 11 | 150 | 84 | 201 |
| 428 | Frontotemporal lobar degeneration | 11 | 150 | 68 | 133 |
| 428 | pollutants | 3 | 150 | 1967 | 1734 |
| 428 | Environmental pollutants | 3 | 150 | 2343 | 1980 |
| 428 | environmental exposure | 3 | 150 | 1977 | 1587 |
| 434 | Magnetic Resonance Spectroscopy | 4 | 148 | 1037 | 739 |
| 435 | Apoptosis | 2 | 145 | 342 | 190 |
| 435 | neurotoxins | 2 | 145 | 342 | 190 |
| 435 | Neurotoxic agents | 2 | 145 | 342 | 190 |
| 435 | Socioeconomic Factors | 7 | 145 | 420 | 564 |
| 435 | Nerve regeneration | 2 | 145 | 342 | 190 |
| 440 | Pediatric Dermatology | 16 | 144 | 116 | 193 |
| 440 | Social work | 6 | 144 | 943 | 741 |
| 442 | motivation | 2 | 141 | 399 | 272 |
| 442 | Emotion | 2 | 141 | 255 | 213 |
| 442 | Emotions | 2 | 141 | 673 | 562 |
| 445 | Neurotransmitters | 6 | 139 | 300 | 340 |
| 446 | Geriatric Psychiatry | 10 | 138 | 546 | 870 |
| 446 | Allergy | 3 | 138 | 1125 | 1355 |
| 448 | Nanostructured Materials | 3 | 137 | 2953 | 2521 |
| 449 | Bioinorganic chemistry | 7 | 136 | 947 | 1089 |
| 450 | Cardiovascular Pharmacology | 1 | 134 | 578 | 182 |
| 450 | Immunochemistry | 11 | 134 | 406 | 760 |
| 450 | Sexual health | 3 | 134 | 748 | 493 |
| 453 | Nephrology | 7 | 133 | 338 | 592 |
| 453 | Psycholinguistics | 5 | 133 | 711 | 774 |
| 455 | transgenic organisms | 2 | 131 | 368 | 264 |
| 455 | transgenic animals | 2 | 131 | 350 | 256 |
| 455 | Transgenic plants | 2 | 131 | 620 | 482 |
| 458 | DNS | 4 | 130 | 417 | 414 |
| 458 | DNA | 4 | 130 | 522 | 419 |
| 460 | Hippocampus | 2 | 129 | 358 | 342 |
| 461 | Pediatric Nursing | 6 | 128 | 207 | 225 |
| 461 | Obstetric Nursing | 6 | 128 | 128 | 145 |
| 461 | Psychometrics | 2 | 128 | 507 | 351 |
| 461 | prostaglandins | 11 | 128 | 183 | 344 |
| 465 | Social welfare | 3 | 127 | 565 | 343 |
| 466 | Bioenergetics | 2 | 126 | 1016 | 797 |
| 466 | Energy metabolism | 2 | 126 | 692 | 586 |
| 468 | Environmental Policy | 3 | 124 | 3231 | 3242 |
| 468 | visualization | 24 | 124 | 443 | 698 |
| 468 | Tropical Medicine | 4 | 124 | 1671 | 1372 |
| 471 | Environmental Law | 1 | 123 | 1807 | 1386 |
| 472 | Genetic testing | 3 | 122 | 324 | 117 |
| 473 | Neurolinguistics | 3 | 120 | 408 | 419 |
| 473 | environmental pollution | 4 | 120 | 3819 | 4194 |
| 473 | language | 3 | 120 | 816 | 704 |
| 476 | Disease | 6 | 119 | 174 | 731 |
| 477 | Genetic translocation | 5 | 118 | 115 | 165 |
| 477 | plasmids | 5 | 118 | 115 | 165 |
| 477 | Spectrum analysis | 7 | 118 | 2946 | 3301 |
| 480 | Hematopoiesis | 3 | 117 | 54 | 37 |
| 480 | Yeast | 3 | 117 | 438 | 421 |
| 480 | Pancreatic diseases | 2 | 117 | 458 | 273 |
| 483 | Health insurance | 7 | 116 | 246 | 379 |
| 484 | Developmental Psychology | 3 | 115 | 993 | 931 |
| 484 | Cognitive neuroscience | 3 | 115 | 927 | 941 |
| 484 | Hallucinogens | 4 | 115 | 136 | 144 |
| 484 | human development | 3 | 115 | 775 | 746 |
| 488 | Language Disorders | 4 | 114 | 710 | 590 |
| 488 | Information Science | 3 | 114 | 2521 | 2124 |
| 490 | health services | 10 | 113 | 501 | 822 |
| 491 | Retina | 2 | 112 | 201 | 393 |
| 491 | X-rays | 7 | 112 | 328 | 375 |
| 491 | eye | 2 | 112 | 239 | 406 |
| 494 | Geriatric Nursing | 11 | 110 | 129 | 227 |
| 494 | Atherosclerosis | 6 | 110 | 81 | 170 |
| 496 | Growth factors | 6 | 109 | 127 | 449 |
| 497 | Medical Ethics | 12 | 107 | 475 | 701 |
| 497 | Cardiovascular diseases | 4 | 107 | 1436 | 1394 |
| 499 | biopolymers | 2 | 106 | 1431 | 1099 |
| 500 | Neuroimaging | 4 | 101 | 243 | 233 |
| 500 | X-ray crystallography | 1 | 101 | 920 | 417 |
| 500 | mental processes | 4 | 101 | 274 | 253 |
| 500 | biological evolution | 3 | 101 | 2034 | 2235 |
| 500 | Australia | 3 | 101 | 1979 | 1412 |
| 505 | Genetic Counseling | 7 | 100 | 141 | 189 |
| 505 | Surface Chemistry | 3 | 100 | 3515 | 3338 |
| 505 | Dietetics | 5 | 100 | 426 | 472 |
| 505 | Parasites | 3 | 100 | 1627 | 1431 |
| 509 | Communication | 6 | 98 | 1482 | 1700 |
| 510 | Lung Transplantation | 2 | 97 | 442 | 405 |
| 510 | Heart transplantation | 2 | 97 | 442 | 405 |
| 512 | Geriatric Pharmacology | 4 | 96 | 235 | 299 |
| 513 | Melanoma | 2 | 95 | 275 | 273 |
| 513 | Diagnosis | 6 | 95 | 392 | 515 |
| 513 | Drug discovery | 4 | 95 | 178 | 246 |
| 516 | Liposomes | 5 | 94 | 373 | 544 |
| 517 | Analytical Toxicology | 3 | 93 | 208 | 192 |
| 518 | Nanomedicine | 1 | 92 | 486 | 306 |
| 518 | Electrophoresis | 5 | 92 | 1335 | 1588 |
| 518 | Vaccination | 1 | 92 | 576 | 320 |
| 518 | DNA polymerases | 2 | 92 | 538 | 879 |
| 522 | medical errors | 4 | 91 | 27 | 30 |
| 522 | safety | 4 | 91 | 37 | 50 |
| 524 | Surface-Active Agents | 2 | 89 | 1382 | 1383 |
| 524 | Surface properties | 2 | 89 | 1455 | 1461 |
| 526 | Bacterial diseases | 1 | 88 | 574 | 319 |
| 527 | Eating Disorders | 7 | 87 | 506 | 803 |
| 528 | Health Services Administration | 3 | 86 | 1087 | 1016 |
| 528 | Catalysis | 3 | 86 | 3192 | 3275 |
| 528 | Community Health Nursing | 1 | 86 | 154 | 35 |
| 528 | Pharmacogenomics | 1 | 86 | 617 | 373 |
| 528 | Immunopharmacology | 3 | 86 | 1115 | 1144 |
| 528 | Teaching | 10 | 86 | 858 | 1293 |
| 528 | Cytokine | 3 | 86 | 396 | 598 |
| 535 | Well-being | 2 | 85 | 199 | 127 |
| 535 | Organ transplantation | 5 | 85 | 269 | 253 |
| 535 | Cell communication | 3 | 85 | 872 | 1025 |
| 538 | Contraception | 5 | 84 | 400 | 595 |
| 538 | Technological Innovations | 2 | 84 | 1347 | 1034 |
| 540 | Information Systems | 12 | 83 | 586 | 1422 |
| 540 | Feeding and Eating Disorders | 6 | 83 | 534 | 796 |
| 542 | Emergency Medical Services | 11 | 82 | 287 | 665 |
| 543 | Lymphoma | 5 | 81 | 270 | 258 |
| 543 | Multiple Myeloma | 5 | 81 | 263 | 243 |
| 545 | Astrocytes | 3 | 80 | 459 | 749 |
| 545 | Brain damage | 3 | 80 | 400 | 456 |
| 547 | Genetic Toxicology | 4 | 79 | 375 | 689 |
| 547 | Maternal health services | 3 | 79 | 360 | 398 |
| 547 | Child welfare | 3 | 79 | 1058 | 969 |
| 547 | Ion channels | 1 | 79 | 219 | 94 |
| 551 | Statistics | 10 | 78 | 1549 | 2027 |
| 552 | Neonatology | 3 | 77 | 603 | 622 |
| 552 | disabilities | 2 | 77 | 922 | 707 |
| 554 | Pharmacokinetics | 2 | 76 | 1247 | 1077 |
| 554 | community participation | 2 | 76 | 129 | 98 |
| 554 | Faculty | 2 | 76 | 129 | 98 |
| 557 | Nutrition physiology | 3 | 75 | 750 | 884 |
| 558 | Climatology | 2 | 74 | 2003 | 1863 |
| 558 | Dental Public Health | 11 | 74 | 46 | 123 |
| 558 | bioclimatology | 2 | 74 | 1161 | 980 |
| 558 | Osteoporosis | 2 | 74 | 483 | 358 |
| 558 | Climate | 2 | 74 | 750 | 712 |
| 558 | weather | 2 | 74 | 715 | 655 |
| 564 | sex differences | 2 | 73 | 186 | 187 |
| 565 | data collection | 4 | 72 | 867 | 1401 |
| 566 | Chronobiology | 6 | 71 | 261 | 509 |
| 566 | biological clocks | 6 | 71 | 261 | 509 |
| 566 | circadian rhythm | 6 | 71 | 261 | 509 |
| 566 | biological rhythms | 6 | 71 | 235 | 499 |
| 570 | Risk Management | 2 | 69 | 908 | 756 |
| 570 | cell adhesion molecules | 2 | 69 | 747 | 786 |
| 572 | Circadian rhythms | 5 | 68 | 205 | 467 |
| 572 | nuclear magnetic resonance spectroscopy | 9 | 68 | 405 | 685 |
| 572 | Communication in medicine | 4 | 68 | 428 | 542 |
| 575 | Patient Safety | 4 | 67 | 64 | 81 |
| 575 | Parkinson's disease | 2 | 67 | 290 | 346 |
| 577 | Probability | 1 | 66 | 1003 | 666 |
| 577 | Long-Term Care | 5 | 66 | 377 | 734 |
| 577 | Long-term care facilities | 5 | 66 | 371 | 730 |
| 577 | Financial management | 1 | 66 | 860 | 684 |
| 577 | Risk | 1 | 66 | 959 | 677 |
| 577 | chronic disease | 2 | 66 | 390 | 366 |
| 583 | Pediatric Hematology | 5 | 65 | 292 | 267 |
| 583 | Cognitive Science | 4 | 65 | 1277 | 1747 |
| 583 | embryo transfer | 7 | 65 | 260 | 536 |
| 583 | DNA methylation | 1 | 65 | 553 | 494 |
| 583 | Quality of life | 6 | 65 | 1020 | 1899 |
| 583 | Health Risk Assessment | 3 | 65 | 462 | 478 |
| 583 | biochemical markers | 4 | 65 | 751 | 948 |
| 583 | Europe | 6 | 65 | 2307 | 2917 |
| 591 | Radiation Oncology | 3 | 64 | 389 | 479 |
| 591 | Combinatorial chemistry | 2 | 64 | 1143 | 1203 |
| 591 | Drug delivery devices | 1 | 64 | 506 | 472 |
| 591 | educational accountability | 1 | 64 | 192 | 102 |
| 595 | nursing education | 2 | 63 | 192 | 122 |
| 595 | families | 4 | 63 | 738 | 769 |
| 595 | toxicity testing | 4 | 63 | 617 | 963 |
| 598 | Risk assessment | 2 | 62 | 844 | 637 |
| 598 | Evolution | 4 | 62 | 1606 | 2212 |
| 600 | Education | 9 | 61 | 2312 | 3014 |
| 600 | Special Education | 1 | 61 | 1257 | 661 |
| 600 | Multimedia Systems | 1 | 61 | 2781 | 1741 |
| 603 | Music | 3 | 60 | 902 | 679 |
| 603 | voice | 3 | 60 | 455 | 452 |
| 603 | Decision making | 2 | 60 | 1884 | 1646 |
| 603 | weight loss | 3 | 60 | 129 | 160 |
| 607 | Data Mining | 2 | 59 | 2094 | 2089 |
| 607 | hygiene | 2 | 59 | 697 | 654 |
| 607 | sports injuries | 5 | 59 | 397 | 568 |
| 610 | Consciousness | 1 | 58 | 810 | 517 |
| 611 | Asthma | 3 | 57 | 698 | 769 |
| 611 | occupational diseases | 3 | 57 | 876 | 1219 |
| 611 | Plant physiology | 2 | 57 | 2309 | 2548 |
| 611 | Menopause | 4 | 57 | 229 | 375 |
| 615 | Bioethics | 5 | 56 | 654 | 835 |
| 615 | Molecular evolution | 3 | 56 | 1548 | 2126 |
| 615 | preimplantation genetic diagnosis | 5 | 56 | 326 | 568 |
| 618 | Interferons | 2 | 54 | 367 | 403 |
| 619 | Oral Medicine | 3 | 52 | 687 | 660 |
| 620 | Bacterial infections | 3 | 51 | 833 | 1456 |
| 620 | China | 8 | 51 | 1871 | 3262 |
| 620 | catalytic activity | 2 | 51 | 764 | 874 |
| 623 | Health Information Management | 1 | 50 | 598 | 801 |
| 624 | Multiple sclerosis | 1 | 49 | 1017 | 584 |
| 625 | Optics | 3 | 48 | 4577 | 3964 |
| 625 | Forensic Pathology | 3 | 48 | 147 | 151 |
| 625 | healthcare disparities | 2 | 48 | 605 | 643 |
| 625 | eugenics | 3 | 48 | 543 | 746 |
| 629 | Industrial Microbiology | 2 | 47 | 2363 | 2862 |
| 630 | miniaturization | 1 | 46 | 2709 | 2559 |
| 631 | diseases | 1 | 45 | 625 | 842 |
| 632 | Brachytherapy | 7 | 44 | 114 | 224 |
| 632 | Bacteria | 1 | 44 | 626 | 731 |
| 632 | Asia | 3 | 44 | 3036 | 2915 |
| 632 | Pathogens | 2 | 44 | 139 | 199 |
| 632 | Human biology | 3 | 44 | 638 | 761 |
| 637 | Morphology | 4 | 43 | 716 | 898 |
| 638 | Forensic Psychology | 2 | 42 | 487 | 470 |
| 638 | Forensic Psychiatry | 2 | 42 | 652 | 625 |
| 638 | Photochemistry | 2 | 42 | 2171 | 2325 |
| 638 | Holistic Health | 4 | 42 | 369 | 572 |
| 638 | Cell survival | 2 | 42 | 278 | 442 |
| 638 | Light | 2 | 42 | 1125 | 1465 |
| 638 | Library Science | 4 | 42 | 1044 | 931 |
| 638 | mammals | 6 | 42 | 731 | 1261 |
| 638 | Entomology | 2 | 42 | 2755 | 2393 |
| 638 | molecular chaperones | 2 | 42 | 314 | 443 |
| 648 | Microcirculation | 3 | 41 | 460 | 718 |
| 648 | Nutritional support | 1 | 41 | 322 | 349 |
| 650 | health services accessibility | 3 | 40 | 904 | 1279 |
| 650 | child sexual abuse | 4 | 40 | 89 | 229 |
| 650 | Nonprofit organizations | 1 | 40 | 591 | 488 |
| 650 | Cell surface receptors | 3 | 40 | 107 | 167 |
| 654 | Plant Biotechnology | 2 | 39 | 1020 | 1214 |
| 654 | Genetic markers | 2 | 39 | 374 | 445 |
| 654 | Longevity | 2 | 39 | 236 | 360 |
| 654 | software | 6 | 39 | 666 | 1703 |
| 658 | Photonics | 2 | 38 | 2196 | 2466 |
| 658 | Artificial Organs | 9 | 38 | 328 | 804 |
| 660 | physical therapy techniques | 1 | 37 | 275 | 162 |
| 660 | Enzyme inhibitors | 2 | 37 | 525 | 673 |
| 660 | monitoring | 3 | 37 | 277 | 336 |
| 660 | pharmaceutical industry | 3 | 37 | 613 | 856 |
| 664 | Telemedicine | 1 | 36 | 804 | 741 |
| 664 | libraries | 5 | 36 | 540 | 630 |
| 664 | liver | 3 | 36 | 322 | 534 |
| 667 | Quality Assurance | 2 | 35 | 450 | 497 |
| 667 | Molecular Imaging | 2 | 35 | 808 | 1105 |
| 667 | cell membrane | 2 | 35 | 666 | 924 |
| 667 | Safety management | 2 | 35 | 775 | 765 |
| 671 | Nitric oxide | 2 | 34 | 319 | 570 |
| 672 | Public Policy | 4 | 33 | 1499 | 2665 |
| 672 | Chemical analysis | 1 | 33 | 1855 | 1776 |
| 672 | Social behavior | 1 | 33 | 1844 | 1683 |
| 675 | Neurovirology | 1 | 32 | 459 | 463 |
| 675 | Adolescent Psychology | 4 | 32 | 666 | 1181 |
| 675 | patents | 1 | 32 | 359 | 257 |
| 675 | System analysis | 4 | 32 | 2259 | 3149 |
| 679 | Humanities | 2 | 31 | 2478 | 1845 |
| 680 | Healing | 2 | 30 | 161 | 199 |
| 680 | Chromatography | 1 | 30 | 2595 | 2404 |
| 680 | Chromatographic analysis | 1 | 30 | 2947 | 2580 |
| 683 | patient satisfaction | 3 | 29 | 112 | 122 |
| 683 | Cross-Cultural Studies | 2 | 29 | 848 | 1099 |
| 683 | Vocational guidance | 2 | 29 | 986 | 1269 |
| 683 | cross-cultural comparison | 2 | 29 | 656 | 873 |
| 687 | Randomized Controlled Trials | 4 | 28 | 975 | 1680 |
| 687 | Production Management | 1 | 28 | 1649 | 1845 |
| 687 | breastfeeding | 3 | 28 | 482 | 882 |
| 687 | Body Image | 3 | 28 | 196 | 494 |
| 687 | Blood vessels | 2 | 28 | 477 | 725 |
| 692 | Magnetic Resonance Imaging | 1 | 27 | 889 | 834 |
| 692 | School Psychology | 1 | 27 | 702 | 741 |
| 692 | Educational Psychology | 1 | 27 | 2067 | 1880 |
| 692 | Jurisprudence | 3 | 27 | 931 | 1248 |
| 696 | Political Psychology | 1 | 26 | 551 | 607 |
| 696 | drug resistance | 3 | 26 | 737 | 1516 |
| 696 | Histocompatibility Testing | 3 | 26 | 479 | 915 |
| 696 | Biomarkers | 2 | 26 | 604 | 844 |
| 696 | men | 2 | 26 | 385 | 552 |
| 701 | Marriage | 4 | 25 | 398 | 817 |
| 701 | Technology | 2 | 25 | 4989 | 5636 |
| 701 | Developmental Immunology | 5 | 25 | 614 | 1497 |
| 704 | Food Microbiology | 1 | 24 | 1992 | 2432 |
| 704 | food technology | 1 | 24 | 3637 | 3896 |
| 704 | Disease management | 3 | 24 | 117 | 232 |
| 704 | Psychoanalysis | 1 | 24 | 654 | 355 |
| 704 | traffic safety | 3 | 24 | 304 | 554 |
| 709 | Engineering | 2 | 23 | 5446 | 5903 |
| 709 | nursing ethics | 2 | 23 | 281 | 567 |
| 709 | plant molecular biology | 1 | 23 | 2146 | 2614 |
| 709 | Plant cells | 1 | 23 | 1518 | 2062 |
| 713 | Computer Vision | 2 | 22 | 1384 | 1959 |
| 713 | Image Processing | 2 | 22 | 2637 | 3253 |
| 713 | Reproductive health | 2 | 22 | 1012 | 1531 |
| 713 | Aggression | 3 | 22 | 441 | 922 |
| 717 | Ethics | 2 | 21 | 1183 | 1489 |
| 717 | Solid State Physics | 1 | 21 | 4507 | 4349 |
| 717 | Comparative Physiology | 2 | 21 | 911 | 1328 |
| 717 | ethnicity | 4 | 21 | 596 | 994 |
| 717 | micromechanics | 1 | 21 | 905 | 994 |
| 717 | Freeze-Drying | 1 | 21 | 727 | 792 |
| 717 | Hypothermia | 1 | 21 | 727 | 792 |
| 717 | Hearing Aids | 5 | 21 | 156 | 326 |
| 717 | Freeze Drying | 1 | 21 | 727 | 792 |
| 717 | rejuvenation | 1 | 21 | 290 | 435 |
| 727 | Vocational Education | 1 | 20 | 849 | 775 |
| 727 | embryonic development | 3 | 20 | 405 | 896 |
| 727 | Prisons | 3 | 20 | 309 | 460 |
| 727 | Synapses | 1 | 20 | 488 | 617 |
| 731 | Marine Biology | 1 | 19 | 3518 | 3857 |
| 731 | Mathematics | 3 | 19 | 5428 | 6005 |
| 731 | Marine Biotechnology | 1 | 19 | 443 | 636 |
| 731 | Behavioral research | 1 | 19 | 988 | 973 |
| 731 | health and race | 3 | 19 | 218 | 544 |
| 736 | Political Science | 1 | 18 | 2669 | 1965 |
| 736 | Neurogenetics | 1 | 18 | 583 | 691 |
| 736 | Adult Education | 5 | 18 | 402 | 866 |
| 736 | urban health | 1 | 18 | 490 | 651 |
| 740 | Public Health Administration | 2 | 17 | 495 | 590 |
| 740 | Physical organic chemistry | 2 | 17 | 1672 | 2217 |
| 740 | Exercise therapy | 2 | 17 | 536 | 768 |
| 740 | Cell cycle | 4 | 17 | 244 | 774 |
| 740 | Physical fitness | 2 | 17 | 1285 | 1799 |
| 740 | Relationships | 1 | 17 | 277 | 359 |
| 740 | Flow cytometry | 2 | 17 | 559 | 928 |
| 740 | recreation | 2 | 17 | 803 | 974 |
| 748 | Divorce | 3 | 16 | 125 | 277 |
| 748 | Medical Law | 1 | 16 | 79 | 50 |
| 748 | dietary supplements | 1 | 16 | 1481 | 1866 |
| 748 | chronic fatigue syndrome | 1 | 16 | 128 | 100 |
| 748 | Latin America | 2 | 16 | 1591 | 1456 |
| 748 | feeding behavior | 2 | 16 | 836 | 1556 |
| 748 | peptides | 3 | 16 | 972 | 1688 |
| 748 | Scanning electron microscopy | 1 | 16 | 376 | 387 |
| 756 | Multivariate Analysis | 1 | 15 | 803 | 859 |
| 756 | Electrocardiography | 2 | 15 | 440 | 624 |
| 756 | Structural Equation Modeling | 1 | 15 | 207 | 254 |
| 756 | marketing | 1 | 15 | 2664 | 2829 |
| 756 | Youth | 1 | 15 | 1092 | 1288 |
| 761 | Social interaction | 1 | 14 | 566 | 696 |
| 761 | Informatics | 2 | 14 | 1086 | 1711 |
| 761 | kidney | 1 | 14 | 136 | 189 |
| 764 | Cell adhesion | 3 | 13 | 144 | 543 |
| 764 | Mitochondria | 2 | 13 | 340 | 814 |
| 764 | Appetite | 1 | 13 | 996 | 1478 |
| 767 | primary prevention | 1 | 12 | 756 | 1120 |
| 767 | Plant diseases | 1 | 12 | 2701 | 3051 |
| 767 | Culture techniques | 3 | 12 | 304 | 631 |
| 767 | allied health | 2 | 12 | 352 | 683 |
| 767 | Liquid chromatography | 1 | 12 | 1003 | 989 |
| 767 | Insect biochemistry | 1 | 12 | 749 | 1007 |
| 773 | Teratology | 1 | 11 | 470 | 681 |
| 774 | Environmental Microbiology | 1 | 10 | 2234 | 3097 |
| 774 | Cultural diversity | 1 | 10 | 272 | 437 |
| 774 | Fluorescence spectroscopy | 1 | 10 | 489 | 705 |
| 774 | Molecular Spectroscopy | 1 | 10 | 2585 | 3200 |
| 774 | Family Therapy | 2 | 10 | 829 | 1373 |
| 774 | child mental health | 2 | 10 | 531 | 1007 |
| 774 | anesthesia | 2 | 10 | 731 | 1071 |
| 774 | Archaea | 1 | 10 | 80 | 217 |
| 774 | Student Health Services | 1 | 10 | 468 | 649 |
| 783 | Computer Science | 2 | 9 | 2717 | 3743 |
| 783 | Biochemical Genetics | 3 | 9 | 444 | 965 |
| 783 | Environmental Management | 1 | 9 | 4220 | 5502 |
| 783 | Yoga | 4 | 9 | 16 | 92 |
| 783 | Heart Failure | 1 | 9 | 633 | 957 |
| 783 | Malaria | 1 | 9 | 1233 | 1719 |
| 783 | paraphilias | 1 | 9 | 328 | 525 |
| 783 | Marriage counseling | 1 | 9 | 529 | 747 |
| 783 | harm reduction | 2 | 9 | 258 | 587 |
| 792 | Pediatric Endocrinology | 2 | 8 | 431 | 764 |
| 792 | Electronics | 1 | 8 | 5178 | 5570 |
| 792 | Pediatric Ophthalmology | 1 | 8 | 114 | 131 |
| 792 | Industrial Safety | 4 | 8 | 1013 | 2507 |
| 792 | Signal Processing | 1 | 8 | 3531 | 4334 |
| 792 | industrial hygiene | 4 | 8 | 978 | 2243 |
| 792 | Synchrotron Radiation | 1 | 8 | 695 | 914 |
| 792 | Health risk communication | 1 | 8 | 157 | 289 |
| 792 | risk factors | 1 | 8 | 1190 | 1573 |
| 792 | Strabismus | 1 | 8 | 114 | 131 |
| 792 | natural history museums | 1 | 8 | 150 | 118 |
| 792 | Metabolic disorders in children | 2 | 8 | 385 | 699 |
| 804 | Robotics | 1 | 7 | 2617 | 3232 |
| 804 | Database Management | 1 | 7 | 1310 | 1706 |
| 804 | Horticulture | 1 | 7 | 1366 | 1724 |
| 804 | Plant Ecology | 1 | 7 | 2506 | 3361 |
| 804 | Immunohematology | 2 | 7 | 166 | 244 |
| 804 | Neural circuitry | 2 | 7 | 2317 | 3683 |
| 804 | Obsessive-Compulsive Disorder | 2 | 7 | 138 | 287 |
| 804 | Travel | 1 | 7 | 1504 | 2066 |
| 804 | Feasibility studies | 2 | 7 | 367 | 671 |
| 804 | Laser therapy | 1 | 7 | 850 | 1047 |
| 804 | Blood group antigens | 1 | 7 | 173 | 170 |
| 804 | particles | 1 | 7 | 1724 | 2295 |
| 804 | Military psychology | 2 | 7 | 138 | 322 |
| 817 | Immunogenetics | 2 | 6 | 883 | 1631 |
| 817 | Immunohistochemistry | 1 | 6 | 370 | 550 |
| 817 | Pharmacy management | 1 | 6 | 508 | 734 |
| 820 | Criminal psychology | 1 | 5 | 1103 | 1441 |
| 820 | Radiation Protection | 1 | 5 | 1192 | 1396 |
| 820 | radiation monitoring | 1 | 5 | 1088 | 1304 |
| 820 | Behaviorism | 2 | 5 | 112 | 266 |
| 820 | police psychology | 1 | 5 | 202 | 317 |
| 820 | Cost control | 2 | 5 | 172 | 390 |
| 820 | rural health | 1 | 5 | 273 | 501 |
| 820 | locomotion | 1 | 5 | 1019 | 1490 |
| 820 | posture | 1 | 5 | 1019 | 1490 |
| 820 | Respiratory Infections | 1 | 5 | 678 | 1082 |
| 820 | professional practice | 3 | 5 | 157 | 352 |
| 820 | Participant observation | 1 | 5 | 34 | 45 |
| 820 | crime | 1 | 5 | 1013 | 1223 |
| 820 | Radiation dosimetry | 1 | 5 | 934 | 1099 |
| 820 | Coronary heart disease | 1 | 5 | 490 | 611 |
| 820 | gait | 1 | 5 | 1019 | 1490 |
| 820 | gastrointestinal tract | 1 | 5 | 645 | 1146 |
| 820 | walking | 1 | 5 | 1019 | 1490 |
| 820 | Influenza | 1 | 5 | 539 | 913 |
| 839 | Linguistics | 1 | 4 | 2330 | 2447 |
| 839 | Pediatric Rheumatology | 1 | 4 | 410 | 647 |
| 839 | Neuroanatomy | 1 | 4 | 491 | 827 |
| 839 | Mutagenesis | 1 | 4 | 935 | 1536 |
| 839 | teratogenic agents | 1 | 4 | 495 | 915 |
| 839 | Korea | 1 | 4 | 697 | 944 |
| 839 | Oral communication | 1 | 4 | 727 | 1143 |
| 839 | training | 1 | 4 | 252 | 331 |
| 839 | internet | 1 | 4 | 2415 | 3212 |
| 848 | Engineering Mathematics | 1 | 3 | 3612 | 4390 |
| 848 | Continuing Education | 1 | 3 | 759 | 1093 |
| 848 | implementation science | 2 | 3 | 60 | 151 |
| 848 | schools | 2 | 3 | 70 | 195 |
| 848 | body temperature | 1 | 3 | 966 | 1601 |
| 848 | Familial diseases | 2 | 3 | 265 | 731 |
| 848 | Scotland | 1 | 3 | 248 | 388 |
| 848 | Exercise | 1 | 3 | 2186 | 2872 |
| 848 | cycles | 1 | 3 | 346 | 545 |
| 848 | accidents | 1 | 3 | 133 | 209 |
| 858 | Photography | 2 | 2 | 2958 | 3520 |
| 858 | Nonparametric Statistics | 1 | 2 | 344 | 542 |
| 858 | Disability Studies | 1 | 2 | 549 | 889 |
| 858 | Nationalism | 1 | 2 | 613 | 880 |
| 858 | Congenital heart disease | 1 | 2 | 186 | 282 |
| 858 | Disability Law | 1 | 2 | 315 | 559 |
| 858 | Opioids | 1 | 2 | 150 | 303 |
| 858 | Psychological adaptation | 1 | 2 | 100 | 193 |
| 858 | Peptide | 1 | 2 | 374 | 554 |
| 858 | probabilities | 2 | 2 | 1481 | 2265 |
| 858 | Soviet Union | 1 | 2 | 1399 | 1832 |
| 869 | Systems Theory | 1 | 1 | 1245 | 2015 |
| 869 | Ergonomics | 1 | 1 | 1624 | 2353 |
| 869 | pediatric pharmacology | 1 | 1 | 174 | 245 |
| 869 | Budget | 1 | 1 | 260 | 508 |
| 869 | Fluorescence | 1 | 1 | 895 | 1536 |
| 874 | Hydrology | 1 | 0 | 3693 | 5288 |
| 874 | Serology | 1 | 0 | 990 | 1700 |
| 874 | Ceramics | 1 | 0 | 2355 | 3249 |
| 874 | Animal Nutrition | 1 | 0 | 937 | 1528 |
| 874 | Educational Anthropology | 1 | 0 | 193 | 394 |
| 874 | Dialysis | 2 | 0 | 164 | 426 |
| 874 | Water | 1 | 0 | 3583 | 5174 |
| 874 | Hemodialysis | 2 | 0 | 69 | 162 |
| 874 | Electrochemistry | 2 | 0 | 3862 | 5728 |
| 874 | Military Ethics | 1 | 0 | 72 | 181 |
| 874 | orphan drugs | 1 | 0 | 164 | 380 |
| 874 | Service Learning | 1 | 0 | 105 | 214 |
| 874 | Ethnology | 1 | 0 | 2383 | 3388 |
| 874 | curriculum evaluation | 1 | 0 | 594 | 1098 |
| 874 | Catholicism | 1 | 0 | 149 | 230 |
| 874 | Lipid bilayers | 1 | 0 | 741 | 1238 |
| 874 | rare diseases | 1 | 0 | 1137 | 1954 |
| 874 | Immune response | 1 | 0 | 71 | 226 |
| 874 | venom | 2 | 0 | 955 | 2147 |
| 874 | Toxins | 2 | 0 | 1066 | 2353 |
| 874 | children | 1 | 0 | 886 | 1540 |