PT - JOURNAL ARTICLE AU - Shane Neilson TI - Martin McNamara MD CCFP(EM) DP - 2011 May 01 TA - Canadian Family Physician PG - ihc--ihc VI - 57 IP - 5 4099 - http://www.cfp.ca/content/57/5/ihc.short 4100 - http://www.cfp.ca/content/57/5/ihc.full SO - Can Fam Physician2011 May 01; 57