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| Heterosexual risk of HIV-1 infection per sexual act: systematic review and meta-analysis of observational studies | Lancet Infectious Diseases, The | 2009 | 617 |
| Prosthetic heart valves: selection of the optimal prosthesis and long-term management | Circulation | 2009 | 490 |
| Existence of a microRNA pathway in anucleate platelets | Nature Structural and Molecular Biology | 2009 | 365 |
| Airway delivery of mesenchymal stem cells prevents arrested alveolar growth in neonatal lung injury in rats | American Journal of Respiratory and Critical Care Medicine | 2009 | 360 |
| The human gene map for performance and health-related fitness phenotypes: the 2006-2007 update | Medicine and Science in Sports and Exercise | 2009 | 337 |
| Ulcerative colitis-risk loci on chromosomes 1p36 and 12q15 found by genome-wide association study | Nature Genetics | 2009 | 325 |
| Visceral obesity: the link among inflammation, hypertension, and cardiovascular disease | Hypertension | 2009 | 323 |
| Comparison of the hemodynamic performance of percutaneous and surgical bioprostheses for the treatment of severe aortic stenosis | Journal of the American College of Cardiology | 2009 | 292 |
| Neurosteroid biosynthesis: enzymatic pathways and neuroendocrine regulation by neurotransmitters and neuropeptides | Frontiers in Neuroendocrinology | 2009 | 281 |
| Usefulness of the valvuloarterial impedance to predict adverse outcome in asymptomatic aortic stenosis | Journal of the American College of Cardiology | 2009 | 252 |
| MicroRNA-298 and microRNA-328 regulate expression of mouse beta-amyloid precursor protein-converting enzyme 1 | Journal of Biological Chemistry | 2009 | 243 |
| Galectins in innate immunity: dual functions of host soluble beta-galactoside-binding lectins as damage-associated molecular patterns (DAMPs) and as receptors for pathogen-associated molecular patterns (PAMPs) | Immunological Reviews | 2009 | 228 |
| Beyond low-density lipoprotein cholesterol: respective contributions of non-high-density lipoprotein cholesterol levels, triglycerides, and the total cholesterol/high-density lipoprotein cholesterol ratio to coronary heart disease risk in apparently healthy men and women | Journal of the American College of Cardiology | 2009 | 220 |
| Effect of calcium from dairy and dietary supplements on faecal fat excretion: a meta-analysis of randomized controlled trials | Obesity Reviews | 2009 | 213 |
| Classification of Myoviridae bacteriophages using protein sequence similarity | BMC Microbiology | 2009 | 210 |
| Impact of prosthesis-patient mismatch on long-term survival after aortic valve replacement: influence of age, obesity, and left ventricular dysfunction | Journal of the American College of Cardiology | 2009 | 190 |
| Genetic polymorphisms of the vitamin D binding protein and plasma concentrations of 25-hydroxyvitamin D in premenopausal women | American Journal of Clinical Nutrition | 2009 | 190 |
| Powerful beneficial effects of macrophage colony-stimulating factor on beta-amyloid deposition and cognitive impairment in Alzheimer's disease | Brain | 2009 | 179 |
| Neuroprotective actions of sex steroids in Parkinson's disease | Frontiers in Neuroendocrinology | 2009 | 171 |
| Sleep duration as a risk factor for the development of type 2 diabetes or impaired glucose tolerance: analyses of the Quebec Family Study | Sleep Medicine | 2009 | 158 |
| Phage classification and characterization | Methods in Molecular Biology | 2009 | 155 |
| National trends in rates of death and hospital admissions related to acute myocardial infarction, heart failure and stroke, 1994-2004 | Cmaj | 2009 | 154 |
| The mammalian central pattern generator for locomotion | Brain Research Reviews | 2009 | 154 |
| Effect of intravaginal dehydroepiandrosterone (Prasterone) on libido and sexual dysfunction in postmenopausal women | Menopause | 2009 | 148 |
