RT Journal Article SR Electronic T1 Media Doctor prognosis for health journalism JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 456 OP 456-a DO 10.1503/cmaj.1041734 VO 172 IS 4 A1 Alan Cassels YR 2005 UL http://www.cmaj.ca/content/172/4/456.2.abstract