TY - JOUR T1 - Two years could be enough JF - Canadian Family Physician JO - Can Fam Physician SP - 633 LP - 633 VL - 56 IS - 7 AU - J. Galt Wilson Y1 - 2010/07/01 UR - http://www.cfp.ca/content/56/7/633.abstract N2 - ER -