RT Journal Article SR Electronic T1 PEDNET JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 163 OP 163 DO 10.1136/ip.4.2.163 VO 4 IS 2 A1 Jacobsen, Peter YR 1998 UL http://injuryprevention.bmj.com/content/4/2/163.1.abstract AB