PT - JOURNAL ARTICLE AU - Smith, Beverley TI - The burden of not knowing DP - 2007 Mar 01 TA - Canadian Family Physician PG - 496--496 VI - 53 IP - 3 4099 - http://www.cfp.ca/content/53/3/496.short 4100 - http://www.cfp.ca/content/53/3/496.full SO - Can Fam Physician2007 Mar 01; 53