title: Persistent ductus arteriosus associates with congenital aortic stenosis.
mesh_terms: D001024:Aortic Valve Stenosis / Q000151:congenital* / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis*; D005260:Female; D006439:Hemodynamics; D006801:Humans; D007223:Infant; D008297:Male