PT - JOURNAL ARTICLE AU - Ann Silversides TI - Clinical trials: chasing recruits AID - 10.1503/cmaj.090063 DP - 2009 Feb 17 TA - Canadian Medical Association Journal PG - 375--378 VI - 180 IP - 4 4099 - http://www.cmaj.ca/content/180/4/375.short 4100 - http://www.cmaj.ca/content/180/4/375.full SO - CMAJ2009 Feb 17; 180