RT Journal Article SR Electronic T1 Mumps vaccine: Is it time to re-evaluate our approach? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 491 OP 491 DO 10.1503/cmaj.060900 VO 175 IS 5 A1 Ian M. Gemmill YR 2006 UL http://www.cmaj.ca/content/175/5/491.abstract