title: [Subvalvalar aortic stenosis caused by an accessory tissue of the mitral valve (author's transl)].
mesh_terms: D001020:Aortic Stenosis, Subvalvular / Q000209:etiology* / Q000601:surgery; D002312:Cardiomyopathy, Hypertrophic / Q000209:etiology*; D002675:Child, Preschool; D003914:Dextrocardia / Q000150:complications; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000002:abnormalities*