RT Journal Article SR Electronic T1 Lack of association between HLA-G 14 bp insertion/deletion polymorphism and response to long-term therapy with methotrexate response in rheumatoid arthritis JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 154 OP 155 DO 10.1136/ard.2008.089383 VO 68 IS 1 A1 L K Stamp A1 J L O’Donnell A1 P T Chapman A1 M L Barclay A1 M A Kennedy A1 C M A Frampton A1 R L Roberts YR 2009 UL http://ard.bmj.com/content/68/1/154.abstract AB