RT Journal Article SR Electronic T1 Mandatory vaccination JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 983 OP 984 DO 10.1503/cmaj.113-2124 VO 185 IS 11 A1 Woeltje, Keith F. A1 Babcock, Hilary M. YR 2013 UL http://www.cmaj.ca/content/185/11/983.2.abstract AB