Percutaneous balloon valvuloplasty: a new method for treating congenital pulmonary-valve stenosis.
D000293:Adolescent; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D004106:Dilatation / Q000295:instrumentation / Q000379:methods*; D006439:Hemodynamics; D006801:Humans; D007223:Infant; D011666:Pulmonary Valve Stenosis / Q000503:physiopathology / Q000628:therapy*