PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/ebm.10.2.38 DP - 2005 Apr 01 TA - Evidence Based Medicine PG - 38--38 VI - 10 IP - 2 4099 - http://ebm.bmj.com/content/10/2/38.short 4100 - http://ebm.bmj.com/content/10/2/38.full SO - Evid Based Med2005 Apr 01; 10