RT Journal Article SR Electronic T1 Canadian guidelines for body weight classification in adults: application in clinical practice to screen for overweight and obesity and to assess disease risk JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 995 OP 998 DO 10.1503/cmaj.045170 VO 172 IS 8 A1 James D. Douketis A1 Gilles Paradis A1 Heather Keller A1 Chantal Martineau YR 2005 UL http://www.cmaj.ca/content/172/8/995.abstract