TY - JOUR T1 - Measles outbreaks threaten those averse to vaccine JF - Canadian Medical Association Journal JO - CMAJ SP - E393 LP - E394 DO - 10.1503/cmaj.109-4480 VL - 185 IS - 9 AU - Cullen Bird Y1 - 2013/06/11 UR - http://www.cmaj.ca/content/185/9/E393.abstract N2 - ER -