PT - JOURNAL ARTICLE ED - , TI - Correction DP - 2012 Jul 01 TA - Canadian Family Physician PG - 739--739 VI - 58 IP - 7 4099 - http://www.cfp.ca/content/58/7/739.2.short 4100 - http://www.cfp.ca/content/58/7/739.2.full SO - Can Fam Physician2012 Jul 01; 58