title: Alopecia areata: a heterogeneous disease?
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000505:Alopecia / Q000276:immunology; D000506:Alopecia Areata / Q000276:immunology*; D001323:Autoantibodies / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D001323:Autoantibodies