title: Severe occult juvenile myasthenia gravis responsive to long-term corticosteroid therapy.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000627:therapeutic use*; D002648:Child; D006801:Humans; D008297:Male; D009157:Myasthenia Gravis / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D000324:Adrenocorticotropic Hormone