title: Felty's syndrome and HLA-DR antigens.
mesh_terms: D005258:Felty Syndrome / Q000235:genetics / Q000276:immunology*; D005787:Gene Frequency; D006684:HLA-DR Antigens; D015803:HLA-DR3 Antigen; D015804:HLA-DR4 Antigen; D000949:Histocompatibility Antigens Class II / Q000235:genetics*; D006801:Humans
chemical_list: D006684:HLA-DR Antigens; D015803:HLA-DR3 Antigen; D015804:HLA-DR4 Antigen; D000949:Histocompatibility Antigens Class II