RT Journal Article SR Electronic T1 Health advisories: when good intentions go bad JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1025 OP 1026 DO 10.1503/cmaj.080391 VO 178 IS 8 A1 Muhammad M. Mamdani, PharmD MPH YR 2008 UL http://www.cmaj.ca/content/178/8/1025.abstract