PT - JOURNAL ARTICLE AU - Michael E Thase TI - No evidence for switching antidepressants in treatment-resistant depressed patients AID - 10.1136/ebm1083 DP - 2010 Aug 01 TA - Evidence Based Medicine PG - 120--121 VI - 15 IP - 4 4099 - http://ebm.bmj.com/content/15/4/120.short 4100 - http://ebm.bmj.com/content/15/4/120.full SO - Evid Based Med2010 Aug 01; 15