Cannan, C R Echocardiographic assessment of commissural calcium: a simple predictor of outcome after percutaneous mitral balloon valvotomy. [electronic resource] - Journal of the American College of Cardiology Jan 1997 - 175-80 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0735-1097 Standard No.: 10.1016/s0735-1097(96)00422-6 doi Subjects--Topical Terms: Calcinosis--diagnostic imagingCatheterizationDisease-Free SurvivalEchocardiographyFollow-Up StudiesHeart Valve ProsthesisHumansMiddle AgedMitral Valve--diagnostic imagingMitral Valve Stenosis--diagnostic imagingPredictive Value of TestsProportional Hazards ModelsRetrospective StudiesSurvival RateTime FactorsTreatment Outcome