[Some problems in radiologic diagnosis of patent ductus arteriosus (author's transl)].
D004374:Ductus Arteriosus, Patent / Q000000981:diagnostic imaging* / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D006976:Hypertension, Pulmonary / Q000000981:diagnostic imaging; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011859:Radiography