RT Journal Article SR Electronic T1 Review: ultra-short screening tests are not highly accurate for detecting depression in primary care JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 120 OP 120 DO 10.1136/ebm.12.4.120 VO 12 IS 4 YR 2007 UL http://ebm.bmj.com/content/12/4/120.abstract AB