Familial subaortic membranous stenosis.
D001020:Aortic Stenosis, Subvalvular / Q000235:genetics*; D002312:Cardiomyopathy, Hypertrophic / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008566:Membranes