RT Journal Article SR Electronic T1 Methotrexate and postoperative complications JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 86 OP 87 DO 10.1136/ard.61.1.86 VO 61 IS 1 A1 A Wluka A1 R Buchbinder A1 S Hall A1 G Littlejohn YR 2002 UL http://ard.bmj.com/content/61/1/86.abstract AB