RT Journal Article SR Electronic T1 H1N1 influenza vaccine: Global access for a global problem JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 123 OP 123 DO 10.1503/cmaj.091100 VO 181 IS 3-4 A1 MacDonald, Noni YR 2009 UL http://www.cmaj.ca/content/181/3-4/123.abstract