title: Epidemiology of myasthenia gravis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006680:HLA Antigens; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000453:epidemiology* / Q000235:genetics / Q000401:mortality; D044469:Racial Groups; D012737:Sex Factors; D014481:United States
chemical_list: D006680:HLA Antigens