RT Journal Article SR Electronic T1 Etienne Krug, MD, MPH JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 234 OP 234 DO 10.1136/ip.9.3.234 VO 9 IS 3 YR 2003 UL http://injuryprevention.bmj.com/content/9/3/234.abstract AB