PT - JOURNAL ARTICLE AU - Ann Silversides TI - The tribulations of community-based trials DP - 2004 Jan 06 TA - Canadian Medical Association Journal PG - 33--33 VI - 170 IP - 1 4099 - http://www.cmaj.ca/content/170/1/33.short 4100 - http://www.cmaj.ca/content/170/1/33.full SO - CMAJ2004 Jan 06; 170