TY - JOUR T1 - Vexed JF - Canadian Family Physician JO - Can Fam Physician SP - 351 LP - 351 VL - 55 IS - 4 AU - Lize Burger Y1 - 2009/04/01 UR - http://www.cfp.ca/content/55/4/351.2.abstract N2 - ER -