PT - JOURNAL ARTICLE AU - David Butler-Jones, MD MHSc TI - Disease surveillance AID - 10.1503/cmaj.1080075 DP - 2008 Jul 15 TA - Canadian Medical Association Journal PG - 163--163 VI - 179 IP - 2 4099 - http://www.cmaj.ca/content/179/2/163.1.short 4100 - http://www.cmaj.ca/content/179/2/163.1.full SO - CMAJ2008 Jul 15; 179