RT Journal Article SR Electronic T1 Imported measles outbreaks prompt call for parents to vaccinate their children JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E205 OP E206 DO 10.1503/cmaj.109-4759 VO 186 IS 7 A1 Gordon Giddings A1 Barbara Sibbald YR 2014 UL http://www.cmaj.ca/content/186/7/E205.abstract AB