[Four cases of supravalvular aortic stenosis: a report of three surgical corrections by extended aortoplasty and one sudden death before surgery].
D000293:Adolescent; D001020:Aortic Stenosis, Subvalvular / Q000601:surgery*; D001021:Aortic Valve / Q000601:surgery; D002312:Cardiomyopathy, Hypertrophic / Q000601:surgery*; D002648:Child; D003645:Death, Sudden / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods