TY - JOUR T1 - Printing error? JF - Canadian Family Physician JO - Can Fam Physician SP - 17 LP - 17 VL - 56 IS - 1 AU - Keith D. Ogle Y1 - 2010/01/01 UR - http://www.cfp.ca/content/56/1/17.3.abstract N2 - ER -