title: Late results of operation for patent ductus arteriosus.
mesh_terms: D000293:Adolescent; D000328:Adult; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D004374:Ductus Arteriosus, Patent / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D006976:Hypertension, Pulmonary / Q000601:surgery; D007223:Infant; D008026:Ligation; D008297:Male