TY - JOUR T1 - Two years is not enough JF - Canadian Family Physician JO - Can Fam Physician SP - 410 LP - 411 VL - 56 IS - 5 AU - Kendall Noel Y1 - 2010/05/01 UR - http://www.cfp.ca/content/56/5/410.abstract N2 - ER -