title: A novel method of two-dimensional echocardiographic tracking.
authors: Ze-Zhou
authors: ZZ
authors: Song
mesh_terms: D004452:Echocardiography / Q000379:methods*; D006801:Humans; D015203:Reproducibility of Results; D018487:Ventricular Dysfunction, Left / Q000000981:diagnostic imaging / Q000503:physiopathology*; D016277:Ventricular Function, Left / Q000502:physiology*