title: Long-term administration of corticosteroids followed by thymectomy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000150:complications / Q000628:therapy*; D011241:Prednisone / Q000008:administration & dosage / Q000627:therapeutic use*; D013934:Thymectomy
chemical_list: D011241:Prednisone