title: Myasthenia gravis and hyperthyroidism occurring in two sisters.
mesh_terms: D000328:Adult; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000150:complications / Q000209:etiology / Q000235:genetics* / Q000601:surgery; D008297:Male; D009157:Myasthenia Gravis / Q000150:complications / Q000235:genetics*; D013965:Thyroidectomy