RT Journal Article SR Electronic T1 Review: collaborative care was effective for depression in primary care in the short and longer term JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 109 OP 109 DO 10.1136/ebm.12.4.109 VO 12 IS 4 YR 2007 UL http://ebm.bmj.com/content/12/4/109.abstract AB