PT - JOURNAL ARTICLE AU - Carl Heneghan TI - Practice corner AID - 10.1136/ebm.10.2.36 DP - 2005 Apr 01 TA - Evidence Based Medicine PG - 36--38 VI - 10 IP - 2 4099 - http://ebm.bmj.com/content/10/2/36.short 4100 - http://ebm.bmj.com/content/10/2/36.full SO - Evid Based Med2005 Apr 01; 10