TY - JOUR T1 - Avant-propos JF - Canadian Journal of Surgery JO - CAN J SURG SP - S81 LP - S81 DO - 10.1503/cjs.006715 VL - 58 IS - 3 Suppl 3 AU - Col Homer Tien Y1 - 2015/06/01 UR - http://canjsurg.ca/content/58/3_Suppl_3/S81.abstract ER -