Percutaneous balloon pulmonary valvuloplasty.
D000800:Angioplasty, Balloon / Q000009:adverse effects / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011651:Pulmonary Artery; D011666:Pulmonary Valve Stenosis / Q000628:therapy*