RT Journal Article SR Electronic T1 Salmonella outbreak prompts demands for more scrutiny of food processing plants JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E32 OP E33 DO 10.1503/cmaj.090526 VO 180 IS 10 A1 Patricia S. Guthrie YR 2009 UL http://www.cmaj.ca/content/180/10/E32.abstract