PT - JOURNAL ARTICLE AU - John Hoey TI - Is this clinical trial fully registered? AID - 10.1503/cmaj.1050244 DP - 2006 Feb 14 TA - Canadian Medical Association Journal PG - 501--501-b VI - 174 IP - 4 4099 - http://www.cmaj.ca/content/174/4/501.3.short 4100 - http://www.cmaj.ca/content/174/4/501.3.full SO - CMAJ2006 Feb 14; 174