PT - JOURNAL ARTICLE AU - Fred Fraser TI - Response DP - 2009 Jul 01 TA - Canadian Family Physician PG - 689--689 VI - 55 IP - 7 4099 - http://www.cfp.ca/content/55/7/689.4.short 4100 - http://www.cfp.ca/content/55/7/689.4.full SO - Can Fam Physician2009 Jul 01; 55