RT Journal Article SR Electronic T1 Ethnic disparities in influenza vaccination in Canada JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1661 OP 1662 DO 10.1503/cmaj.120775 VO 184 IS 15 A1 Gessner, Bradford D. YR 2012 UL http://www.cmaj.ca/content/184/15/1661.abstract