TY - JOUR T1 - Effectiveness of the trivalent influenza vaccine JF - Canadian Family Physician JO - Can Fam Physician SP - 50 LP - 50 VL - 60 IS - 1 AU - Michael R. Kolber AU - Darren Lau AU - Dean Eurich AU - Christina Korownyk Y1 - 2014/01/01 UR - http://www.cfp.ca/content/60/1/50.abstract N2 - ER -