Confounding variables and comorbidity in sarcopenia research.
Miller
J P
JP
Division of Biostatistics, Washington University School of Medicine, St. Louis, Missouri 63110, USA.
D015897:Comorbidity; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D009133:Muscular Atrophy / Q000453:epidemiology*; D012107:Research Design; D018401:Sample Size