PT - JOURNAL ARTICLE AU - Paul Hébert AU - Raphael Saginur TI - Research ethics review: Do it once and do it well AID - 10.1503/cmaj.090172 DP - 2009 Mar 17 TA - Canadian Medical Association Journal PG - 597--597 VI - 180 IP - 6 4099 - http://www.cmaj.ca/content/180/6/597.short 4100 - http://www.cmaj.ca/content/180/6/597.full SO - CMAJ2009 Mar 17; 180