title: HLA-DR4 in alopecia areata.
mesh_terms: D000506:Alopecia Areata / Q000235:genetics / Q000276:immunology*; D005260:Female; D015804:HLA-DR4 Antigen; D000949:Histocompatibility Antigens Class II / Q000276:immunology*; D006801:Humans; D008297:Male
chemical_list: D015804:HLA-DR4 Antigen; D000949:Histocompatibility Antigens Class II