RT Journal Article SR Electronic T1 Mumps in young adults: the canary in the coal mine JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 121 OP 121 DO 10.1503/cmaj.070823 VO 177 IS 2 A1 Noni MacDonald MD A1 Ken Flegel MDCM YR 2007 UL http://www.cmaj.ca/content/177/2/121.abstract