RT Journal Article SR Electronic T1 An accident that need not have happened JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 242 OP 242 DO 10.1136/ip.5.4.242-a VO 5 IS 4 A1 Pless, I B YR 1999 UL http://injuryprevention.bmj.com/content/5/4/242.2.abstract AB