title: Observations of the natural history of myasthenia gravis and the effect of thymectomy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000150:complications / Q000175:diagnosis* / Q000628:therapy*; D011379:Prognosis; D013934:Thymectomy; D013945:Thymoma / Q000150:complications; D013953:Thymus Neoplasms / Q000150:complications