PT - JOURNAL ARTICLE AU - Roger Collier AU - Wayne Kondro TI - Briefly AID - 10.1503/cmaj.109-3077 DP - 2009 Nov 10 TA - Canadian Medical Association Journal PG - E235--E236 VI - 181 IP - 10 4099 - http://www.cmaj.ca/content/181/10/E235.short 4100 - http://www.cmaj.ca/content/181/10/E235.full SO - CMAJ2009 Nov 10; 181