title: Phonocardiograms in patent ductus arteriosus.
authors.forename: F D
authors.initials: FD
authors.lastname: McCREA
authors.forename: M
authors.initials: M
authors.lastname: DICK
mesh_terms: D000368:Aged; D004373:Ductus Arteriosus; D004374:Ductus Arteriosus, Patent; D006321:Heart; D006801:Humans; D009657:North Carolina
keywords: DUCTUS ARTERIOSUS; HEART