RT Journal Article SR Electronic T1 Child pedestrians JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 65 OP 65-a DO 10.1503/cmaj.109-2043 VO 182 IS 1 A1 Ediriweera Desapriya YR 2010 UL http://www.cmaj.ca/content/182/1/65.2.abstract