Echocardiographic assessment of left ventricular performance in normal newborns.
D000790:Angiocardiography; D006328:Cardiac Catheterization; D002932:Cineangiography; D004452:Echocardiography; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D014463:Ultrasonography; D016276:Ventricular Function