Suprasternal contrast echocardiography: its role in paediatric cardiology (a preliminary report).
D002675:Child, Preschool; D004452:Echocardiography / Q000379:methods*; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn