Demkow, M Long-term follow-up results of balloon valvuloplasty for congenital aortic stenosis: predictors of late outcome. [electronic resource] - The Journal of invasive cardiology Apr 1999 - 220-6 p. digital Publication Type: Journal Article ISSN: 1042-3931 Subjects--Topical Terms: AdolescentAdultAortic Valve Stenosis--congenitalCatheterization--adverse effectsChildChild, PreschoolFollow-Up StudiesHeart Defects, Congenital--therapyHumansPrognosisProspective StudiesRiskSurvival AnalysisTimeTreatment Outcome