PT - JOURNAL ARTICLE AU - Micheal Howard-Tripp TI - Response DP - 2011 Apr 01 TA - Canadian Family Physician PG - 415--416 VI - 57 IP - 4 4099 - http://www.cfp.ca/content/57/4/415.2.short 4100 - http://www.cfp.ca/content/57/4/415.2.full SO - Can Fam Physician2011 Apr 01; 57