RT Journal Article SR Electronic T1 Nutrition labelling tidbits JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1538 OP 1539 DO 10.1503/cmaj.1040572 VO 170 IS 10 A1 Erica Weir A1 Marie Traynor A1 Wendy Levin YR 2004 UL http://www.cmaj.ca/content/170/10/1538.abstract