[Experience in valvuloplasty].
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006349:Heart Valve Diseases / Q000401:mortality / Q000601:surgery; D006351:Heart Valves / Q000601:surgery*; D006801:Humans; D007223:Infant; D008297:Male