title: Association of tumor necrosis factor alpha polymorphism and radiographic progression in rheumatoid arthritis: comment on the article by Khanna et al.
authors.forename: A H
authors.initials: AH
authors.lastname: van der Helm-van Mil
authors.forename: F A
authors.initials: FA
authors.lastname: Kurreeman
authors.forename: R E
authors.initials: RE
authors.lastname: Toes
authors.forename: T W
authors.initials: TW
authors.lastname: Huizinga
mesh_terms: D000483:Alleles; D000906:Antibodies / Q000097:blood; D001172:Arthritis, Rheumatoid / Q000000981:diagnostic imaging* / Q000235:genetics*; D018450:Disease Progression; D000939:Epitopes / Q000235:genetics; D006684:HLA-DR Antigens / Q000235:genetics; D059811:HLA-DRB1 Chains; D006801:Humans; D010456:Peptides, Cyclic / Q000276:immunology; D020641:Polymorphism, Single Nucleotide; D011859:Radiography; D012217:Rheumatoid Factor / Q000097:blood; D014409:Tumor Necrosis Factor-alpha / Q000235:genetics*
chemical_list: D000906:Antibodies; D000939:Epitopes; D006684:HLA-DR Antigens; D059811:HLA-DRB1 Chains; D010456:Peptides, Cyclic; D014409:Tumor Necrosis Factor-alpha; C487763:cyclic citrullinated peptide; D012217:Rheumatoid Factor