Percutaneous balloon valvuloplasty for valvar aortic stenosis in infants and children.
D000800:Angioplasty, Balloon; D001024:Aortic Valve Stenosis / Q000628:therapy*; D002648:Child; D002675:Child, Preschool; D004106:Dilatation / Q000379:methods; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D008297:Male