RT Journal Article SR Electronic T1 The Authors' response JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 359 OP 360 DO 10.1136/injuryprev-2011-040129 VO 17 IS 5 A1 Rebecca J Mitchell A1 Ann M Williamson A1 Jake Olivier YR 2011 UL http://injuryprevention.bmj.com/content/17/5/359.2.abstract AB