TY - JOUR T1 - Response JF - Canadian Family Physician JO - Can Fam Physician SP - 25 LP - 25 VL - 59 IS - 1 AU - Margaret J. McGregor AU - Danielle Martin Y1 - 2013/01/01 UR - http://www.cfp.ca/content/59/1/25.2.abstract N2 - ER -