RT Journal Article SR Electronic T1 Issues in safety education interventions JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 138 OP 139 DO 10.1136/ip.2006.012625 VO 12 IS 3 A1 J A Thomson YR 2006 UL http://injuryprevention.bmj.com/content/12/3/138.abstract AB