RT Journal Article SR Electronic T1 Giving birth... and thanks JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 2 OP 2 DO 10.1136/ip.1.1.2 VO 1 IS 1 A1 I B Pless YR 1995 UL http://injuryprevention.bmj.com/content/1/1/2.abstract AB