title: Echocardiography--the gold standard of the new millennium: replacing the historical gold standard of cardiac catheterization.
authors.forename: V L
authors.initials: VL
authors.lastname: Sorrell
authors.forename: W
authors.initials: W
authors.lastname: Stewart
mesh_terms: D006328:Cardiac Catheterization; D004452:Echocardiography; D006801:Humans