Muscular subaortic stenosis and Friedreich's ataxia.
D002312:Cardiomyopathy, Hypertrophic / Q000150:complications*; D005621:Friedreich Ataxia / Q000150:complications*; D006801:Humans; D009083:Mucopolysaccharidoses / Q000150:complications; D010013:Osteogenesis Imperfecta / Q000150:complications