RT Journal Article SR Electronic T1 Trends in rates of death from unintentional injury among Canadian children in urban areas: influence of socioeconomic status JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 867 OP 867 DO 10.1503/cmaj.051207 VO 175 IS 8 A1 Catherine S. Birken A1 Patricia C. Parkin A1 Teresa To A1 Colin Macarthur YR 2006 UL http://www.cmaj.ca/content/175/8/867.abstract AB