[Congenital myasthenia associated with skeletal abnormalities and cataract in two sisters].
D000293:Adolescent; D001848:Bone Diseases, Developmental / Q000235:genetics*; D002386:Cataract / Q000235:genetics*; D002648:Child; D005260:Female; D006801:Humans; D009135:Muscular Diseases / Q000235:genetics*; D013577:Syndrome