RT Journal Article SR Electronic T1 Education versus environmental countermeasures JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 10 OP 11 DO 10.1136/ip.8.1.10 VO 8 IS 1 A1 R Schieber A1 M Vegega YR 2002 UL http://injuryprevention.bmj.com/content/8/1/10.abstract AB