Myasthenia gravis: a case report.
D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009157:Myasthenia Gravis / Q000175:diagnosis* / Q000188:drug therapy; D013945:Thymoma / Q000175:diagnosis; D013953:Thymus Neoplasms / Q000175:diagnosis