title: Infundibulum of patent ductus arteriosus a diagnostic sign in conventional roentgenograms.
authors.forename: G
authors.initials: G
authors.lastname: JONSSON
authors.forename: G F
authors.initials: GF
authors.lastname: SALTZMAN
mesh_terms: D004373:Ductus Arteriosus; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis*; D006801:Humans; D010808:Physical Examination; D010902:Pituitary Gland; D010904:Pituitary Gland, Posterior