| 1 | Biochemistry | 354 | 16.9K | 865 | 719 |
| 2 | Biology | 111 | 11.4K | 1,378 | 1,006 |
| 3 | Science | 137 | 11.4K | 1,315 | 1,037 |
| 4 | Medicine | 218 | 11.2K | 1,039 | 862 |
| 5 | Neurology | 247 | 8.8K | 528 | 615 |
| 6 | Research | 232 | 8.7K | 818 | 734 |
| 7 | Physics | 52 | 8.2K | 2,548 | 1,352 |
| 8 | Molecular Biology | 187 | 7.1K | 968 | 1,023 |
| 9 | Natural history | 10 | 6.6K | 1,694 | 809 |
| 10 | Cytology | 79 | 5.5K | 747 | 664 |
| 11 | Immunology | 128 | 5.5K | 401 | 450 |
| 12 | Cell Biology | 63 | 4.8K | 782 | 716 |
| 13 | Biophysics | 146 | 4.6K | 788 | 821 |
| 14 | Cardiovascular system | 26 | 4.0K | 444 | 323 |
| 15 | Pharmacology | 196 | 3.9K | 552 | 745 |
| 16 | Immunity | 40 | 3.8K | 406 | 401 |
| 17 | Liver diseases | 47 | 3.5K | 269 | 263 |
| 18 | Ophthalmology | 44 | 3.0K | 391 | 222 |
| 19 | Hematology | 91 | 2.9K | 401 | 450 |
| 20 | Allergy | 25 | 2.6K | 305 | 276 |
| 21 | Hypertension | 19 | 2.6K | 546 | 395 |
| 22 | Human genetics | 18 | 2.6K | 716 | 743 |
| 23 | Stem cells | 76 | 2.6K | 141 | 194 |
| 24 | Psychiatry | 35 | 2.2K | 1,127 | 809 |
| 25 | Pathology | 60 | 2.2K | 391 | 405 |
| 26 | Toxicology | 40 | 2.2K | 1,224 | 909 |
| 27 | Chemistry | 66 | 2.1K | 2,403 | 2,377 |
| 28 | Virology | 16 | 2.1K | 1,099 | 774 |
| 29 | Genetic engineering | 61 | 2.1K | 241 | 348 |
| 30 | Cell differentiation | 57 | 2.0K | 255 | 406 |
| 31 | arthritis | 13 | 2.0K | 487 | 264 |
| 32 | Metabolic diseases | 33 | 1.8K | 547 | 569 |
| 33 | Signal Transduction | 25 | 1.8K | 359 | 290 |
| 34 | Endocrinology | 46 | 1.8K | 660 | 719 |
| 35 | Brain | 74 | 1.7K | 482 | 645 |
| 36 | Genetic regulation | 48 | 1.7K | 124 | 233 |
| 36 | cloning | 48 | 1.7K | 30 | 114 |
| 38 | Surgery | 32 | 1.6K | 407 | 535 |
| 39 | Rheumatology | 4 | 1.6K | 844 | 239 |
| 40 | Metabolism | 35 | 1.6K | 678 | 702 |
| 41 | Medical innovations | 2 | 1.5K | 993 | 280 |
| 41 | drug development | 2 | 1.5K | 1,024 | 236 |
| 43 | Neurophysiology | 33 | 1.5K | 811 | 790 |
| 44 | Physiology | 80 | 1.4K | 717 | 1,062 |
| 45 | Reproduction | 28 | 1.3K | 649 | 481 |
| 46 | Mental Disorders | 15 | 1.3K | 1,138 | 731 |
| 47 | Cancer | 62 | 1.3K | 601 | 911 |
| 48 | Pancreatic diseases | 42 | 1.2K | 18 | 26 |
| 49 | Nutrition | 57 | 1.2K | 831 | 1,138 |
| 50 | Mental illness | 11 | 1.2K | 862 | 568 |
| 51 | Microbiology | 26 | 1.2K | 2,122 | 1,923 |
| 52 | Audiology | 18 | 1.1K | 255 | 146 |
| 53 | Medical genetics | 30 | 1.1K | 706 | 816 |
| 54 | Neurochemistry | 36 | 1.0K | 632 | 712 |
| 55 | Cardiovascular diseases | 32 | 1.0K | 401 | 385 |
| 56 | Medical Oncology | 30 | 1.0K | 416 | 468 |
| 57 | Histology | 30 | 943 | 484 | 517 |
| 58 | cell physiology | 37 | 928 | 316 | 549 |
| 59 | Antioxidants | 14 | 905 | 243 | 256 |
| 60 | Immunopathology | 30 | 865 | 301 | 356 |
| 61 | Oxidation-reduction | 12 | 856 | 316 | 333 |
| 62 | Thrombosis | 30 | 851 | 259 | 333 |
| 63 | Cytogenetics | 17 | 840 | 467 | 490 |
| 64 | Oncogenes | 16 | 781 | 407 | 502 |
| 65 | Radiobiology | 32 | 780 | 295 | 376 |
| 66 | Autoimmunity | 29 | 772 | 127 | 238 |
| 67 | Autoimmune diseases | 30 | 752 | 81 | 142 |
| 68 | Neurobiology | 18 | 750 | 647 | 698 |
| 69 | Bacteriology | 12 | 748 | 835 | 729 |
| 70 | Engineering | 1 | 745 | 5,091 | 1,126 |
| 70 | Mathematics | 1 | 745 | 6,048 | 1,632 |
| 72 | Biotechnology | 18 | 739 | 2,355 | 2,265 |
| 73 | Autoantibodies | 28 | 724 | 79 | 135 |
| 74 | Urology | 27 | 664 | 457 | 506 |
| 75 | Cell division | 13 | 644 | 81 | 66 |
| 76 | Immunotherapy | 23 | 623 | 503 | 717 |
| 77 | Hemostasis | 26 | 616 | 146 | 160 |
| 78 | Transplantation | 18 | 614 | 348 | 398 |
| 79 | Genes | 18 | 607 | 321 | 259 |
| 80 | Genetics | 19 | 603 | 1,286 | 1,457 |
| 81 | Infertility | 9 | 574 | 438 | 375 |
| 81 | fertility | 9 | 574 | 479 | 400 |
| 83 | Biomechanics | 17 | 571 | 443 | 456 |
| 84 | Developmental Biology | 20 | 559 | 660 | 885 |
| 85 | Electron Microscopy | 34 | 557 | 21 | 42 |
| 86 | Molecular Genetics | 15 | 552 | 762 | 806 |
| 87 | Immune system | 6 | 550 | 583 | 551 |
| 88 | carcinogens | 10 | 542 | 427 | 361 |
| 89 | Pediatrics | 23 | 534 | 695 | 909 |
| 90 | Nervous system | 19 | 531 | 879 | 1,014 |
| 91 | Carcinogenesis | 8 | 528 | 484 | 370 |
| 92 | Gene expression | 11 | 523 | 71 | 66 |
| 93 | mutagens | 7 | 521 | 440 | 335 |
| 94 | Neuropsychiatry | 2 | 520 | 884 | 277 |
| 95 | Psychopharmacology | 24 | 487 | 440 | 671 |
| 96 | free radicals | 6 | 471 | 876 | 733 |
| 97 | Orthopedics | 28 | 468 | 398 | 531 |
| 98 | Embryology | 17 | 453 | 564 | 737 |
| 98 | drug therapy | 39 | 453 | 497 | 814 |
| 100 | Genomics | 22 | 448 | 1,012 | 1,311 |
| 101 | Digestive system diseases | 28 | 426 | 219 | 359 |
| 102 | Child Development | 22 | 419 | 628 | 851 |
| 103 | Clinical Biochemistry | 4 | 417 | 900 | 420 |
| 104 | Therapeutics | 39 | 415 | 358 | 749 |
| 105 | cell interaction | 2 | 414 | 1,119 | 507 |
| 106 | Oncology | 20 | 413 | 672 | 1,247 |
| 107 | Dermatology | 19 | 409 | 606 | 651 |
| 108 | Psychophysiology | 14 | 407 | 1,240 | 1,349 |
| 109 | Cell adhesion | 1 | 406 | 313 | 37 |
| 109 | Cell communication | 1 | 406 | 937 | 262 |
| 111 | infection | 35 | 395 | 356 | 744 |
| 112 | Genetic therapy | 9 | 394 | 527 | 502 |
| 113 | Child | 29 | 393 | 636 | 923 |
| 114 | Molecular cloning | 13 | 390 | 597 | 567 |
| 114 | Genetic recombination | 13 | 390 | 583 | 562 |
| 114 | Recombinant DNA | 13 | 390 | 637 | 599 |
| 117 | Critical Care | 10 | 386 | 668 | 794 |
| 117 | Critical Care Medicine | 10 | 386 | 658 | 792 |
| 119 | gene therapy | 6 | 382 | 623 | 526 |
| 120 | Radiation | 22 | 373 | 715 | 783 |
| 120 | United Kingdom | 7 | 373 | 879 | 705 |
| 122 | Leukemia | 7 | 366 | 526 | 514 |
| 123 | Chemotherapy | 35 | 365 | 274 | 546 |
| 124 | Pediatric Neurology | 19 | 361 | 304 | 590 |
| 125 | Clinical Pharmacology | 19 | 355 | 414 | 542 |
| 126 | Spine | 18 | 351 | 215 | 347 |
| 127 | Schizophrenia | 5 | 347 | 685 | 523 |
| 128 | Medical Laboratory Science | 8 | 331 | 1,158 | 1,143 |
| 129 | Anatomy | 13 | 330 | 905 | 885 |
| 130 | Neurons | 3 | 327 | 524 | 646 |
| 131 | Nitric oxide | 14 | 307 | 21 | 82 |
| 132 | Diabetes | 10 | 297 | 948 | 1,110 |
| 133 | Histochemistry | 31 | 295 | 175 | 469 |
| 134 | Biocompatible Materials | 10 | 294 | 1,967 | 2,272 |
| 135 | histological techniques | 20 | 292 | 152 | 426 |
| 136 | Antibodies | 5 | 290 | 392 | 264 |
| 136 | Antigens | 5 | 290 | 526 | 351 |
| 138 | Clinical Immunology | 12 | 289 | 472 | 564 |
| 138 | Diabetes mellitus | 9 | 289 | 952 | 1,094 |
| 140 | Immunotoxicology | 10 | 287 | 62 | 46 |
| 141 | Immunopharmacology | 9 | 282 | 528 | 502 |
| 142 | Host-parasite interactions | 6 | 281 | 748 | 863 |
| 142 | Virulence | 6 | 281 | 690 | 815 |
| 144 | Memory | 8 | 280 | 922 | 884 |
| 145 | Public Health | 8 | 279 | 2,976 | 2,557 |
| 146 | Respiratory Infections | 16 | 261 | 71 | 115 |
| 147 | Environmental Health | 17 | 257 | 2,259 | 3,228 |
| 148 | viruses | 6 | 254 | 860 | 884 |
| 149 | Hematopoietic stem cell transplantation | 13 | 253 | 109 | 251 |
| 150 | Chromosome mapping | 6 | 250 | 1,121 | 1,074 |
| 150 | gene mapping | 6 | 250 | 1,224 | 1,200 |
| 152 | Geriatrics | 21 | 241 | 947 | 1,382 |
| 152 | Hormones | 11 | 241 | 588 | 754 |
| 154 | Psychosomatic Medicine | 20 | 240 | 210 | 493 |
| 154 | Parenteral nutrition | 9 | 240 | 466 | 607 |
| 156 | biological factors | 5 | 238 | 1,491 | 1,051 |
| 157 | vascular diseases | 4 | 235 | 583 | 521 |
| 158 | proteins | 12 | 234 | 941 | 1,120 |
| 159 | Health | 5 | 231 | 1,534 | 1,101 |
| 160 | Reproductive toxicology | 1 | 230 | 715 | 235 |
| 161 | Learning | 1 | 224 | 1,742 | 766 |
| 162 | Systems Biology | 9 | 222 | 775 | 853 |
| 162 | Hemodynamics | 6 | 222 | 415 | 549 |
| 164 | Bones | 8 | 217 | 387 | 555 |
| 165 | medical education | 15 | 215 | 672 | 892 |
| 166 | Diagnostic microbiology | 3 | 209 | 963 | 960 |
| 167 | Steroids | 3 | 202 | 843 | 557 |
| 168 | Alternative Medicine | 10 | 199 | 685 | 939 |
| 169 | Homeostasis | 1 | 198 | 612 | 662 |
| 169 | Cell metabolism | 1 | 198 | 1,017 | 736 |
| 171 | Morphology | 6 | 197 | 616 | 398 |
| 172 | Aging | 14 | 188 | 1,100 | 1,476 |
| 173 | Asthma | 7 | 184 | 344 | 302 |
| 174 | Health Policy | 3 | 183 | 1,937 | 1,224 |
| 175 | Tropical Medicine | 14 | 177 | 711 | 999 |
| 176 | Emergency Medicine | 14 | 176 | 522 | 633 |
| 177 | Lipids | 3 | 172 | 1,186 | 1,001 |
| 178 | cytokines | 3 | 166 | 1,077 | 917 |
| 179 | protein | 6 | 164 | 802 | 781 |
| 180 | Psychology | 9 | 162 | 2,777 | 2,819 |
| 181 | Radiology | 6 | 161 | 870 | 699 |
| 181 | Nuclear Physics | 2 | 161 | 3,603 | 2,454 |
| 183 | Europe | 9 | 158 | 1,648 | 1,658 |
| 184 | Bioengineering | 8 | 154 | 2,498 | 3,071 |
| 184 | Synchrotron Radiation | 8 | 154 | 169 | 181 |
| 186 | Pharmacognosy | 6 | 150 | 1,320 | 1,563 |
| 187 | Allergies | 5 | 147 | 59 | 65 |
| 188 | Obstetrics | 11 | 144 | 1,073 | 1,384 |
| 188 | Protein engineering | 1 | 144 | 371 | 167 |
| 188 | molecular design | 1 | 144 | 412 | 167 |
| 191 | Dentistry | 13 | 138 | 264 | 361 |
| 192 | Diagnostic Imaging | 11 | 137 | 842 | 1,181 |
| 192 | Respiration | 8 | 137 | 825 | 1,071 |
| 194 | Statistical physics | 1 | 134 | 3,646 | 2,238 |
| 195 | Physical Chemistry | 10 | 128 | 1,253 | 1,651 |
| 196 | Kidney diseases | 9 | 127 | 441 | 649 |
| 197 | Bacteria | 2 | 126 | 400 | 389 |
| 198 | Biomedical Engineering | 13 | 124 | 2,407 | 3,519 |
| 198 | Microcirculation | 1 | 124 | 725 | 368 |
| 198 | Blood vessels | 1 | 124 | 628 | 295 |
| 201 | Radiologic Technology | 11 | 118 | 26 | 50 |
| 201 | Interventional Radiology | 11 | 118 | 26 | 50 |
| 201 | Technology | 10 | 118 | 2,043 | 2,697 |
| 201 | Interventional Radiography | 11 | 118 | 26 | 50 |
| 201 | Endoscopic Surgery | 11 | 118 | 26 | 50 |
| 201 | rehabilitation | 16 | 118 | 823 | 1,633 |
| 207 | Growth factors | 1 | 117 | 476 | 357 |
| 207 | Cytokine | 1 | 117 | 629 | 429 |
| 209 | Analytical Chemistry | 2 | 116 | 3,880 | 3,183 |
| 210 | Membranes | 2 | 115 | 1,719 | 1,534 |
| 211 | Pharmacy | 8 | 114 | 1,222 | 1,630 |
| 212 | Emergency Medical Services | 9 | 113 | 277 | 431 |
| 212 | Obesity | 6 | 113 | 1,195 | 1,621 |
| 212 | Japan | 6 | 113 | 1,252 | 1,189 |
| 215 | prostaglandins | 5 | 109 | 307 | 347 |
| 216 | Vaccines | 6 | 107 | 1,053 | 1,297 |
| 217 | Nuclear Medicine | 6 | 106 | 598 | 660 |
| 217 | Molecular Imaging | 6 | 106 | 392 | 527 |
| 217 | Randomized Controlled Trials | 7 | 106 | 573 | 613 |
| 220 | locomotion | 6 | 105 | 413 | 565 |
| 220 | posture | 6 | 105 | 413 | 565 |
| 220 | gait | 6 | 105 | 413 | 565 |
| 220 | walking | 6 | 105 | 413 | 565 |
| 224 | Neuropharmacology | 15 | 103 | 183 | 545 |
| 225 | Astrocytes | 3 | 101 | 416 | 572 |
| 226 | Growth | 9 | 100 | 578 | 1,153 |
| 227 | gene transfer | 2 | 96 | 315 | 242 |
| 227 | genetic transformation | 2 | 96 | 315 | 242 |
| 229 | Pharmacogenetics | 4 | 93 | 703 | 850 |
| 230 | Epidemiology | 2 | 92 | 3,411 | 2,740 |
| 231 | Pharmaceutical Chemistry | 7 | 91 | 2,210 | 2,824 |
| 232 | Clinical Chemistry | 10 | 90 | 1,329 | 2,196 |
| 233 | Multiple sclerosis | 4 | 88 | 465 | 381 |
| 234 | Antibacterial agents | 3 | 87 | 593 | 726 |
| 235 | Respiratory system | 4 | 86 | 445 | 577 |
| 235 | scientific societies | 1 | 86 | 1,160 | 666 |
| 237 | nucleic acids | 2 | 85 | 1,566 | 1,536 |
| 238 | Agricultural Chemistry | 5 | 84 | 1,727 | 2,146 |
| 239 | Forensic Genetics | 1 | 83 | 423 | 265 |
| 239 | Electrophysiology | 6 | 83 | 620 | 748 |
| 241 | Organic Chemistry | 4 | 82 | 2,481 | 2,566 |
| 241 | Bioorganic chemistry | 4 | 82 | 2,230 | 2,465 |
| 243 | Analytical Biochemistry | 5 | 81 | 1,321 | 1,549 |
| 243 | blood transfusion | 5 | 81 | 411 | 491 |
| 245 | Nanotechnology | 3 | 77 | 3,814 | 3,901 |
| 246 | Psychoneuroimmunology | 4 | 76 | 463 | 794 |
| 246 | Neuroimmunology | 4 | 76 | 529 | 860 |
| 246 | Muscles | 3 | 76 | 705 | 871 |
| 249 | Pharmacogenomics | 1 | 74 | 499 | 334 |
| 249 | Cardiac electrophysiology | 4 | 74 | 198 | 325 |
| 249 | arrhythmia | 4 | 74 | 198 | 325 |
| 249 | Gastrointestinal diseases | 5 | 74 | 464 | 552 |
| 253 | Analytical Toxicology | 2 | 73 | 256 | 217 |
| 253 | Food | 5 | 73 | 2,368 | 3,057 |
| 255 | Extracellular matrix | 3 | 72 | 232 | 361 |
| 255 | Neuromuscular diseases | 2 | 72 | 630 | 603 |
| 255 | collagen | 3 | 72 | 243 | 374 |
| 258 | complementary therapies | 5 | 69 | 1,267 | 1,737 |
| 258 | Cerebellum | 3 | 69 | 262 | 327 |
| 258 | extraterrestrial environment | 3 | 69 | 572 | 509 |
| 258 | astronomical phenomena | 3 | 69 | 517 | 469 |
| 258 | Cognition | 3 | 69 | 1,559 | 1,598 |
| 258 | Cerebellar ataxia | 3 | 69 | 262 | 327 |
| 264 | Hippocampus | 2 | 68 | 352 | 432 |
| 265 | Biofeedback | 7 | 67 | 19 | 189 |
| 265 | behavior therapy | 7 | 67 | 489 | 834 |
| 267 | Histocompatibility Testing | 2 | 66 | 555 | 468 |
| 268 | Molecular structure | 3 | 65 | 2,389 | 2,246 |
| 269 | Photochemistry | 3 | 63 | 1,649 | 1,800 |
| 270 | primary prevention | 8 | 62 | 185 | 494 |
| 271 | pain | 3 | 61 | 1,155 | 1,347 |
| 271 | Exercise | 4 | 61 | 1,271 | 1,389 |
| 273 | Pediatric Hematology | 6 | 60 | 220 | 259 |
| 273 | Music | 1 | 60 | 1,399 | 694 |
| 273 | voice | 1 | 60 | 804 | 467 |
| 276 | industrial hygiene | 5 | 59 | 755 | 812 |
| 276 | Sleep Disorders | 3 | 59 | 1,269 | 1,355 |
| 276 | Sleep | 3 | 59 | 1,298 | 1,377 |
| 279 | Zoology | 2 | 58 | 2,640 | 2,163 |
| 279 | Medical Technology | 5 | 58 | 1,113 | 1,701 |
| 281 | Sports Medicine | 5 | 57 | 1,808 | 2,050 |
| 282 | Lung Transplantation | 2 | 56 | 373 | 400 |
| 282 | Heart transplantation | 2 | 56 | 373 | 400 |
| 282 | Visual Perception | 7 | 56 | 881 | 1,415 |
| 282 | Light | 2 | 56 | 1,025 | 1,170 |
| 282 | Attention | 7 | 56 | 929 | 1,498 |
| 282 | Perception | 7 | 56 | 1,007 | 1,572 |
| 288 | Bioenergetics | 2 | 55 | 974 | 1,099 |
| 288 | Energy metabolism | 2 | 55 | 649 | 715 |
| 290 | Botany | 1 | 54 | 4,109 | 3,573 |
| 290 | Gene expression regulation | 1 | 54 | 1,368 | 1,081 |
| 290 | DNA methylation | 1 | 54 | 481 | 457 |
| 290 | plant molecular biology | 1 | 54 | 2,004 | 1,971 |
| 290 | Plants | 1 | 54 | 2,688 | 2,223 |
| 290 | Plant cells | 1 | 54 | 1,355 | 1,564 |
| 296 | Neuropsychology | 5 | 53 | 1,603 | 2,243 |
| 297 | Proteome | 4 | 52 | 907 | 1,369 |
| 297 | enzymes | 4 | 52 | 1,195 | 1,694 |
| 299 | fishing industry | 1 | 51 | 246 | 134 |
| 299 | Fisheries | 1 | 51 | 2,161 | 1,580 |
| 301 | hygiene | 1 | 50 | 899 | 691 |
| 302 | Information Technology | 1 | 49 | 3,535 | 2,631 |
| 302 | Educational Technology | 1 | 49 | 2,599 | 1,965 |
| 302 | Anti-inflammatory agents | 2 | 49 | 332 | 345 |
| 302 | Inflammation | 2 | 49 | 1,190 | 1,456 |
| 302 | Amyloidosis | 2 | 49 | 162 | 179 |
| 302 | vitamin C | 2 | 49 | 499 | 678 |
| 302 | vitamin E | 2 | 49 | 499 | 678 |
| 309 | Amyotrophic Lateral Sclerosis | 1 | 48 | 378 | 321 |
| 309 | Coronary heart disease | 9 | 48 | 44 | 199 |
| 311 | Physical Therapy | 11 | 47 | 610 | 1,452 |
| 311 | Developmental Neurobiology | 2 | 47 | 682 | 663 |
| 313 | Environment | 3 | 44 | 4,101 | 5,437 |
| 314 | anesthesia | 3 | 43 | 498 | 458 |
| 315 | DNS | 3 | 41 | 469 | 714 |
| 315 | genome | 3 | 41 | 1,311 | 1,903 |
| 317 | Infections | 2 | 40 | 1,138 | 1,447 |
| 318 | Neurotoxicology | 1 | 39 | 965 | 1,001 |
| 318 | Developmental Disabilities | 4 | 39 | 800 | 1,358 |
| 320 | cell membrane | 1 | 38 | 758 | 767 |
| 321 | Sports | 3 | 37 | 1,957 | 2,064 |
| 322 | Clinical Trials | 2 | 36 | 555 | 563 |
| 322 | Synaptic Transmission | 1 | 36 | 690 | 684 |
| 322 | Asia | 5 | 36 | 2,235 | 2,973 |
| 325 | rare diseases | 4 | 35 | 461 | 786 |
| 326 | disabilities | 4 | 34 | 575 | 980 |
| 327 | Combinatorial chemistry | 1 | 33 | 1,102 | 1,209 |
| 327 | Chromosomes | 2 | 33 | 1,001 | 1,279 |
| 327 | miniaturization | 1 | 33 | 2,437 | 2,366 |
| 327 | Cerebral cortex | 2 | 33 | 957 | 1,243 |
| 331 | Behavior | 3 | 32 | 2,700 | 3,831 |
| 332 | Eating Disorders | 2 | 31 | 938 | 1,135 |
| 332 | Feeding and Eating Disorders | 2 | 31 | 907 | 1,097 |
| 332 | Quality of life | 1 | 31 | 2,150 | 2,147 |
| 335 | amino acids | 1 | 30 | 982 | 1,008 |
| 336 | Radiation Oncology | 1 | 28 | 540 | 552 |
| 336 | Oxidative stress | 2 | 28 | 989 | 1,652 |
| 336 | Cellular senescence | 2 | 28 | 398 | 925 |
| 336 | Functional foods | 2 | 28 | 490 | 757 |
| 336 | Animal welfare | 2 | 28 | 341 | 524 |
| 336 | Diet | 4 | 28 | 1,522 | 2,789 |
| 336 | Electroconvulsive therapy | 1 | 28 | 200 | 192 |
| 336 | Phytotherapy | 2 | 28 | 867 | 1,257 |
| 336 | tomography | 1 | 28 | 579 | 455 |
| 345 | mutation | 1 | 27 | 839 | 968 |
| 345 | Cross-Cultural Studies | 2 | 27 | 926 | 1,176 |
| 345 | cross-cultural comparison | 2 | 27 | 667 | 865 |
| 345 | Spectrum analysis | 3 | 27 | 3,509 | 4,176 |
| 345 | Endocrine system | 2 | 27 | 727 | 456 |
| 350 | Biosensors | 1 | 26 | 1,782 | 2,210 |
| 350 | Bioelectronics | 1 | 26 | 1,593 | 2,012 |
| 352 | Jurisprudence | 2 | 25 | 1,069 | 1,162 |
| 353 | Neonatology | 2 | 24 | 697 | 944 |
| 353 | Veterinary Immunology | 2 | 24 | 398 | 584 |
| 355 | Laser therapy | 2 | 23 | 550 | 656 |
| 355 | environmental pollution | 2 | 23 | 4,160 | 5,168 |
| 355 | cardiac catheterization | 5 | 23 | 433 | 668 |
| 355 | Chromatographic analysis | 2 | 23 | 2,041 | 2,364 |
| 355 | Intellectual disability | 2 | 23 | 910 | 1,142 |
| 355 | Pollution | 2 | 23 | 4,858 | 5,833 |
| 361 | Pediatric Endocrinology | 3 | 22 | 323 | 426 |
| 361 | Bipolar Disorder | 1 | 22 | 503 | 593 |
| 361 | Adolescent | 3 | 22 | 1,913 | 2,672 |
| 361 | Metabolic disorders in children | 3 | 22 | 290 | 394 |
| 365 | Hematopoiesis | 1 | 21 | 112 | 113 |
| 365 | Crystallography | 2 | 21 | 1,821 | 1,607 |
| 365 | Echocardiography | 1 | 21 | 193 | 212 |
| 368 | Medicinal plants | 1 | 20 | 2,050 | 2,400 |
| 368 | Drug delivery systems | 2 | 20 | 1,762 | 2,342 |
| 368 | X-rays | 1 | 20 | 866 | 765 |
| 371 | monoclonal antibodies | 1 | 19 | 480 | 470 |
| 372 | Neuroplasticity | 1 | 18 | 513 | 657 |
| 372 | neuronal plasticity | 1 | 18 | 235 | 399 |
| 372 | peptides | 2 | 18 | 994 | 1,374 |
| 372 | Peptide | 2 | 18 | 236 | 324 |
| 376 | Geriatric Psychiatry | 4 | 17 | 744 | 1,548 |
| 376 | Palliative Care | 6 | 17 | 503 | 1,246 |
| 376 | monitoring | 2 | 17 | 333 | 496 |
| 379 | Education | 4 | 16 | 3,058 | 4,197 |
| 379 | Precision medicine | 1 | 16 | 378 | 396 |
| 379 | epilepsy | 1 | 16 | 1,235 | 1,408 |
| 379 | Gerontology | 1 | 16 | 2,568 | 2,461 |
| 379 | feeding behavior | 1 | 16 | 1,101 | 1,404 |
| 379 | Appetite | 1 | 16 | 988 | 1,277 |
| 385 | Andrology | 2 | 15 | 663 | 1,015 |
| 385 | Neurosurgery | 1 | 15 | 1,174 | 1,361 |
| 387 | Sociology | 2 | 14 | 3,385 | 4,205 |
| 387 | Molecular Pharmacology | 1 | 14 | 1,164 | 1,542 |
| 387 | Medical Physics | 5 | 14 | 1,130 | 2,106 |
| 387 | occupational health and safety | 1 | 14 | 229 | 248 |
| 387 | Medical Anthropology | 2 | 14 | 1,357 | 2,199 |
| 387 | Biomarkers | 2 | 14 | 531 | 903 |
| 387 | Aerosols | 1 | 14 | 835 | 911 |
| 387 | movement | 2 | 14 | 428 | 821 |
| 387 | biochemical markers | 2 | 14 | 771 | 1,261 |
| 387 | drug evaluation | 1 | 14 | 1,768 | 2,120 |
| 387 | aerosol | 1 | 14 | 607 | 684 |
| 387 | Influenza | 3 | 14 | 208 | 584 |
| 399 | Combustion | 1 | 13 | 1,720 | 1,963 |
| 399 | Drug design | 1 | 13 | 2,193 | 2,470 |
| 399 | Turbulence | 1 | 13 | 410 | 476 |
| 402 | Otolaryngology | 2 | 12 | 555 | 838 |
| 402 | Qualitative Research | 1 | 12 | 888 | 1,045 |
| 402 | Trace elements | 2 | 12 | 363 | 837 |
| 405 | Occupational Therapy | 4 | 11 | 855 | 1,503 |
| 405 | Long-Term Care | 1 | 11 | 784 | 1,044 |
| 405 | food technology | 2 | 11 | 2,772 | 3,858 |
| 405 | Long-term care facilities | 1 | 11 | 777 | 1,036 |
| 405 | Mycology | 1 | 11 | 2,047 | 2,373 |
| 405 | mycoses | 1 | 11 | 1,119 | 1,410 |
| 405 | glycoproteins | 1 | 11 | 693 | 945 |
| 405 | Glycoconjugates | 1 | 11 | 693 | 945 |
| 405 | Oligosaccharide | 1 | 11 | 499 | 725 |
| 405 | Carbohydrates | 1 | 11 | 698 | 899 |
| 405 | Androgens | 1 | 11 | 362 | 530 |
| 405 | United States | 1 | 11 | 5,709 | 5,914 |
| 405 | glycolipids | 1 | 11 | 693 | 945 |
| 418 | Artificial Organs | 1 | 10 | 852 | 991 |
| 418 | body temperature | 1 | 10 | 1,000 | 1,318 |
| 418 | Pregnancy | 1 | 10 | 1,305 | 1,661 |
| 421 | Environmental Toxicology | 2 | 9 | 2,645 | 3,908 |
| 421 | Computational Biology | 2 | 9 | 2,634 | 3,796 |
| 421 | Orthopedic Surgery | 1 | 9 | 1,046 | 1,249 |
| 421 | Cognitive Therapy | 1 | 9 | 993 | 1,301 |
| 421 | Herbal medicine | 1 | 9 | 1,254 | 1,804 |
| 421 | dietary supplements | 1 | 9 | 1,448 | 2,016 |
| 421 | Lymphatic system | 2 | 9 | 104 | 257 |
| 421 | Developmental Immunology | 2 | 9 | 717 | 1,247 |
| 421 | Mitochondria | 1 | 9 | 510 | 793 |
| 421 | nanoscience | 1 | 9 | 3,449 | 3,945 |
| 421 | Cell death | 2 | 9 | 1,105 | 1,807 |
| 421 | Microscopy | 3 | 9 | 1,392 | 2,269 |
| 421 | diseases | 1 | 9 | 565 | 837 |
| 421 | Disease | 1 | 9 | 549 | 843 |
| 435 | Clinical Psychology | 1 | 8 | 1,603 | 2,021 |
| 435 | Comparative Physiology | 1 | 8 | 1,111 | 1,471 |
| 435 | Organometallic chemistry | 2 | 8 | 2,353 | 3,187 |
| 435 | embryonic development | 1 | 8 | 663 | 946 |
| 435 | Brachytherapy | 2 | 8 | 198 | 363 |
| 435 | Organometallic compounds | 2 | 8 | 1,547 | 2,219 |
| 435 | Algae | 1 | 8 | 1,076 | 1,347 |
| 435 | Ion channels | 1 | 8 | 217 | 347 |
| 435 | Seaweed | 1 | 8 | 844 | 1,172 |
| 435 | Drug discovery | 1 | 8 | 472 | 734 |
| 445 | Oral Medicine | 1 | 7 | 1,150 | 1,445 |
| 445 | Immunogenetics | 1 | 7 | 834 | 1,108 |
| 445 | Sexual health | 3 | 7 | 654 | 1,213 |
| 445 | Photobiology | 1 | 7 | 2,059 | 2,643 |
| 445 | human behavior | 2 | 7 | 2,616 | 4,155 |
| 445 | Primates | 1 | 7 | 1,030 | 1,289 |
| 451 | Genetic Toxicology | 1 | 6 | 755 | 1,185 |
| 451 | Geriatric Pharmacology | 1 | 6 | 437 | 651 |
| 451 | Psychiatric Nursing | 1 | 6 | 1,084 | 1,445 |
| 451 | Animal Behavior | 1 | 6 | 2,347 | 3,045 |
| 451 | Neurovirology | 1 | 6 | 406 | 629 |
| 451 | Research Design | 1 | 6 | 1,636 | 2,229 |
| 451 | Environmental monitoring | 1 | 6 | 4,491 | 5,507 |
| 451 | Electrocardiography | 1 | 6 | 538 | 663 |
| 451 | Geriatric Oncology | 1 | 6 | 815 | 1,213 |
| 451 | Chromatography | 1 | 6 | 2,198 | 2,727 |
| 451 | Child psychology | 1 | 6 | 1,926 | 2,499 |
| 451 | Elderly | 1 | 6 | 1,727 | 1,617 |
| 451 | older people | 1 | 6 | 2,155 | 2,342 |
| 451 | sexual behavior | 1 | 6 | 1,084 | 1,525 |
| 465 | Polymers | 2 | 5 | 3,963 | 5,086 |
| 465 | Industrial Safety | 2 | 5 | 1,457 | 2,402 |
| 465 | Dance therapy | 1 | 5 | 348 | 547 |
| 465 | animals | 1 | 5 | 1,816 | 2,291 |
| 465 | natural products | 1 | 5 | 2,553 | 3,074 |
| 465 | Safety management | 1 | 5 | 1,185 | 1,689 |
| 465 | polymerization | 2 | 5 | 3,502 | 4,593 |
| 472 | Biochemical Engineering | 1 | 4 | 3,625 | 4,539 |
| 472 | Medical Microbiology | 1 | 4 | 2,512 | 3,406 |
| 472 | General Surgery | 1 | 4 | 777 | 1,003 |
| 472 | Nuclear Chemistry | 1 | 4 | 1,617 | 2,011 |
| 472 | Radiochemistry | 1 | 4 | 1,539 | 1,903 |
| 472 | Computer-Aided Design | 1 | 4 | 1,840 | 2,381 |
| 472 | Bioethics | 1 | 4 | 1,410 | 1,825 |
| 472 | Bioinformatics | 1 | 4 | 2,637 | 3,364 |
| 472 | Sarcopenia | 1 | 4 | 649 | 968 |
| 472 | orphan drugs | 1 | 4 | 155 | 196 |
| 472 | Environmental pollutants | 1 | 4 | 3,005 | 3,916 |
| 472 | Physical fitness | 1 | 4 | 1,541 | 2,082 |
| 472 | Cheminformatics | 1 | 4 | 594 | 970 |
| 472 | Decision making | 1 | 4 | 2,253 | 3,042 |
| 472 | drug toxicity | 1 | 4 | 948 | 1,541 |
| 487 | Genetic Counseling | 1 | 3 | 345 | 561 |
| 487 | School Psychology | 1 | 3 | 731 | 1,196 |
| 487 | Educational Psychology | 1 | 3 | 2,057 | 2,781 |
| 487 | hospice care | 1 | 3 | 874 | 1,377 |
| 487 | pain management | 1 | 3 | 897 | 1,256 |
| 487 | psychopathology | 1 | 3 | 470 | 689 |
| 487 | visualization | 3 | 3 | 1,383 | 2,161 |
| 494 | Global Health | 1 | 2 | 1,742 | 2,586 |
| 494 | Occupational Health | 2 | 2 | 1,245 | 2,390 |
| 494 | Electronics | 3 | 2 | 2,961 | 4,546 |
| 494 | Pediatric Ophthalmology | 1 | 2 | 108 | 194 |
| 494 | health services accessibility | 1 | 2 | 1,468 | 2,207 |
| 494 | Genetic testing | 1 | 2 | 601 | 1,009 |
| 494 | risk factors | 2 | 2 | 724 | 1,325 |
| 494 | Strabismus | 1 | 2 | 108 | 194 |
| 494 | Cardiopulmonary Resuscitation | 1 | 2 | 318 | 478 |
| 494 | cardiac arrest | 1 | 2 | 318 | 478 |
| 494 | men | 1 | 2 | 599 | 1,031 |
| 494 | men's health | 1 | 2 | 67 | 149 |
| 494 | Telecommunication | 1 | 2 | 3,326 | 4,082 |
| 494 | disease vectors | 1 | 2 | 1,468 | 2,146 |
| 494 | Australia | 1 | 2 | 2,780 | 3,777 |
| 494 | Autism | 1 | 2 | 1,008 | 1,560 |
| 494 | Zoonoses | 1 | 2 | 571 | 1,001 |
| 511 | Materials Science | 3 | 1 | 3,604 | 5,324 |
| 511 | Electrical Engineering | 3 | 1 | 2,886 | 4,477 |
| 511 | Nursing | 1 | 1 | 2,670 | 3,477 |
| 511 | Oncology Nursing | 2 | 1 | 6 | 43 |
| 511 | Mechatronics | 1 | 1 | 1,429 | 2,060 |
| 511 | Neurogenetics | 1 | 1 | 585 | 932 |
| 511 | Optics | 1 | 1 | 4,426 | 5,095 |
| 511 | Photography | 1 | 1 | 1,556 | 1,738 |
| 511 | Social Psychology | 1 | 1 | 2,992 | 3,990 |
| 511 | Melanoma | 1 | 1 | 336 | 616 |
| 511 | patient satisfaction | 1 | 1 | 279 | 538 |
| 511 | Exercise therapy | 2 | 1 | 605 | 1,403 |
| 511 | counseling | 1 | 1 | 1,893 | 2,679 |
| 511 | psychotherapy | 1 | 1 | 1,738 | 2,378 |
| 511 | Consciousness | 1 | 1 | 818 | 1,209 |
| 511 | vitamins | 1 | 1 | 288 | 629 |
| 527 | Acoustics | 1 | 0 | 583 | 865 |
| 527 | Image Processing | 1 | 0 | 2,799 | 3,702 |
| 527 | Computational Intelligence | 1 | 0 | 1,231 | 2,009 |
| 527 | Evidence-Based Medicine | 1 | 0 | 1,234 | 1,936 |
| 527 | Fluorescence spectroscopy | 1 | 0 | 397 | 682 |
| 527 | acupuncture | 1 | 0 | 414 | 682 |
| 527 | Molecular Spectroscopy | 1 | 0 | 2,448 | 3,269 |
| 527 | Sound | 1 | 0 | 1,574 | 2,195 |
| 527 | Electrons | 1 | 0 | 174 | 361 |
| 527 | phototherapy | 2 | 0 | 146 | 455 |