PT - JOURNAL ARTICLE AU - Ponka, David AU - Czarnowski, Charles TI - Response DP - 2009 Jan 01 TA - Canadian Family Physician PG - 24--24 VI - 55 IP - 1 4099 - http://www.cfp.ca/content/55/1/24.2.short 4100 - http://www.cfp.ca/content/55/1/24.2.full SO - Can Fam Physician2009 Jan 01; 55