RT Journal Article SR Electronic T1 1 of 2 quality improvement interventions for depression in managed care was more effective but more costly than usual care JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 95 OP 95 DO 10.1136/ebm.7.3.95 VO 7 IS 3 YR 2002 UL http://ebm.bmj.com/content/7/3/95.abstract AB