title: [Echocardiographic study of patency of the ductus arteriosus in normal newborn infants].
mesh_terms: D004374:Ductus Arteriosus, Patent / Q000175:diagnosis*; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male
vernacular_title: Studio della pervietà del dotto di Botallo in neonati normali mediante metodica ecocardiografica.