PT - JOURNAL ARTICLE AU - Gutkin, Calvin TI - Response DP - 2012 Jun 01 TA - Canadian Family Physician PG - 633--634 VI - 58 IP - 6 4099 - http://www.cfp.ca/content/58/6/633.short 4100 - http://www.cfp.ca/content/58/6/633.full SO - Can Fam Physician2012 Jun 01; 58