RT Journal Article SR Electronic T1 Review: individual DMARDs have similar efficacy for RA, but combination therapy improves response JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 76 OP 76 DO 10.1136/ebm.13.3.76 VO 13 IS 3 YR 2008 UL http://ebm.bmj.com/content/13/3/76.abstract AB