RT Journal Article SR Electronic T1 What's killing and maiming Canada's youth? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 737 OP 737 DO 10.1503/cmaj.070172 VO 176 IS 6 A1 MacDonald, Noni A1 Yanchar, Natalie A1 Hébert, Paul C. YR 2007 UL http://www.cmaj.ca/content/176/6/737.abstract