Balloon dilatation (valvoplasty) as first line treatment for severe stenosis of the aortic valve in early infancy: median term results and determinants of survival.
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D001021:Aortic Valve / Q000473:pathology*; D001024:Aortic Valve Stenosis / Q000628:therapy*; D002404:Catheterization; D006801:Humans; D007231:Infant, Newborn