RT Journal Article SR Electronic T1 Not a middle-of-the-road position JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 312 OP 312-a DO 10.1503/cmaj.1041752 VO 172 IS 3 A1 Donald S. Stephens YR 2005 UL http://www.cmaj.ca/content/172/3/312.2.abstract