title: Letter by Kass regarding article, "Role of left ventricular stiffness in heart failure with normal ejection fraction".
authors.forename: David A
authors.initials: DA
authors.lastname: Kass
mesh_terms: D003971:Diastole / Q000502:physiology*; D054144:Heart Failure, Diastolic / Q000503:physiopathology*; D006801:Humans; D013318:Stroke Volume / Q000502:physiology*; D018487:Ventricular Dysfunction, Left / Q000503:physiopathology*