RT Journal Article SR Electronic T1 Optimal use of methotrexate: the advantages of tight control JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1409 OP 1410 DO 10.1136/ard.2007.076463 VO 66 IS 11 A1 J W J Bijlsma A1 M E Weinblatt YR 2007 UL http://ard.bmj.com/content/66/11/1409.abstract AB