title: Persistent ductus arteriosus: most probably a primary congenital malformation.
mesh_terms: D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004373:Ductus Arteriosus / Q000196:embryology / Q000473:pathology; D004374:Ductus Arteriosus, Patent / Q000196:embryology* / Q000473:pathology; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D013997:Time Factors