This is the first report documenting familial occurrence of subvalvular membranous aortic stenosis in siblings.
Summary: Although congenital heart disease is often associated with hereditary factors1,2,3, subvalvular membranous aortic stenosis has previously not been reported in a family. This communication reports the occurrence of aortic subvalvular membrance in two siblings.
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Gale et al. (1974) studied this question.
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