title: HLA-DR in chronic idiopathic thrombocytopenic purpura (ITP).
mesh_terms: D001327:Autoimmune Diseases / Q000276:immunology*; D006680:HLA Antigens / Q000032:analysis; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II / Q000032:analysis*; D011696:Purpura, Thrombocytopenic / Q000276:immunology*
chemical_list: D006680:HLA Antigens; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II