title: HLA B27: a risk factor for lung disease?
mesh_terms: D006680:HLA Antigens / Q000032:analysis*; D015796:HLA-B27 Antigen; D006801:Humans; D008171:Lung Diseases / Q000235:genetics*; D012306:Risk
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen