title: Progress in developing a noninvasive load-independent marker of ventricular contractility.
authors.forename: H
authors.initials: H
authors.lastname: Shin
authors.forename: N B
authors.initials: NB
authors.lastname: Schiller
mesh_terms: D000818:Animals; D004285:Dogs; D004452:Echocardiography; D009200:Myocardial Contraction; D016277:Ventricular Function, Left