RT Journal Article SR Electronic T1 A “take with a grain of salt” label for Holiday Review articles JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1186 OP 1186-a DO 10.1503/cmaj.1080031 VO 178 IS 9 A1 Barbara Sibbald, BJ YR 2008 UL http://www.cmaj.ca/content/178/9/1186.2.abstract