PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/ebm.10.6.190 DP - 2005 Dec 01 TA - Evidence Based Medicine PG - 190--190 VI - 10 IP - 6 4099 - http://ebm.bmj.com/content/10/6/190.short 4100 - http://ebm.bmj.com/content/10/6/190.full SO - Evid Based Med2005 Dec 01; 10