PT - JOURNAL ARTICLE AU - Vince Bain TI - Clinical trials registry AID - 10.1503/cmaj.1041674 DP - 2005 Apr 12 TA - Canadian Medical Association Journal PG - 979--980 VI - 172 IP - 8 4099 - http://www.cmaj.ca/content/172/8/979.2.short 4100 - http://www.cmaj.ca/content/172/8/979.2.full SO - CMAJ2005 Apr 12; 172