title: The natural course of myasthenia gravis and effect of therapeutic measures.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005128:Eye Diseases / Q000175:diagnosis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000175:diagnosis* / Q000401:mortality / Q000628:therapy; D011379:Prognosis; D013934:Thymectomy