RT Journal Article SR Electronic T1 Competitive consumption: A profusion of pie, pizza and pulled pork JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 290 OP 291 DO 10.1503/cmaj.109-4394 VO 185 IS 4 A1 Roger Collier YR 2013 UL http://www.cmaj.ca/content/185/4/290.abstract AB