RT Journal Article SR Electronic T1 Small step forward in global food labelling JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E627 OP E628 DO 10.1503/cmaj.109-3909 VO 183 IS 10 A1 Walkinshaw, Erin YR 2011 UL http://www.cmaj.ca/content/183/10/E627.abstract