title: Smoking and HLA-DR shared epitope alleles in rheumatoid arthritis: comment on the article by Padyukov et al.
authors.forename: Derek L
authors.initials: DL
authors.lastname: Mattey
authors.forename: David
authors.initials: D
authors.lastname: Hutchinson
mesh_terms: D001172:Arthritis, Rheumatoid / Q000209:etiology* / Q000235:genetics* / Q000276:immunology; D000939:Epitopes / Q000235:genetics*; D020022:Genetic Predisposition to Disease; D006684:HLA-DR Antigens / Q000235:genetics*; D059811:HLA-DRB1 Chains; D010456:Peptides, Cyclic / Q000276:immunology; D012217:Rheumatoid Factor / Q000097:blood; D012907:Smoking / Q000009:adverse effects*
chemical_list: D000939:Epitopes; D006684:HLA-DR Antigens; D059811:HLA-DRB1 Chains; D010456:Peptides, Cyclic; C487763:cyclic citrullinated peptide; D012217:Rheumatoid Factor