RT Journal Article SR Electronic T1 Influenza and the influenza vaccine JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1028 OP 1028 DO 10.1503/cmaj.071290 VO 177 IS 9 A1 MacDonald, Noni A1 Weir, Erica A1 Langley, Joanne M. YR 2007 UL http://www.cmaj.ca/content/177/9/1028.abstract