PT - JOURNAL ARTICLE AU - Lehman, Richard TI - Evidently… AID - 10.1136/ebm.14.1.7 DP - 2009 Feb 01 TA - Evidence Based Medicine PG - 7--7 VI - 14 IP - 1 4099 - http://ebm.bmj.com/content/14/1/7.short 4100 - http://ebm.bmj.com/content/14/1/7.full SO - Evid Based Med2009 Feb 01; 14