RT Journal Article SR Electronic T1 Ottawa to combine smart regulation and precaution JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1544 OP 1544-a DO 10.1503/cmaj.050568 VO 172 IS 12 A1 Sibbald, Barbara YR 2005 UL http://www.cmaj.ca/content/172/12/1544.2.abstract