RT Journal Article SR Electronic T1 Random thoughts — IB Pless JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 73 OP 73 DO 10.1136/ip.3.2.73 VO 3 IS 2 A1 IB Pless YR 1997 UL http://injuryprevention.bmj.com/content/3/2/73.abstract AB