PT - JOURNAL ARTICLE AU - Bailey, Tom TI - Response DP - 2007 May 01 TA - Canadian Family Physician PG - 812--813 VI - 53 IP - 5 4099 - http://www.cfp.ca/content/53/5/812.2.short 4100 - http://www.cfp.ca/content/53/5/812.2.full SO - Can Fam Physician2007 May 01; 53