RT Journal Article SR Electronic T1 Mandatory vaccination JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 984 OP 984 DO 10.1503/cmaj.113-2125 VO 185 IS 11 A1 Michael Gardam A1 Camille Lemieux YR 2013 UL http://www.cmaj.ca/content/185/11/984.abstract