RT Journal Article SR Electronic T1 Disease surveillance JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 163 OP 164 DO 10.1503/cmaj.1080078 VO 179 IS 2 A1 Attaran, Amir A1 Hébert, Paul C. YR 2008 UL http://www.cmaj.ca/content/179/2/163.2.abstract