RT Journal Article SR Electronic T1 The exaggerated relations between diet, body weight and mortality: the case for a categorical data approach JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 891 OP 895 DO 10.1503/cmaj.1041310 VO 172 IS 7 A1 H. Gilbert Welch A1 Lisa M. Schwartz A1 Steven Woloshin YR 2005 UL http://www.cmaj.ca/content/172/7/891.abstract