RT Journal Article SR Electronic T1 Poor diet takes toll on health of US population JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E601 OP E601 DO 10.1503/cmaj.109-4559 VO 185 IS 13 A1 Cal Woodward YR 2013 UL http://www.cmaj.ca/content/185/13/E601.abstract