RT Journal Article SR Electronic T1 Why are males injured more than females? JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 94 OP 95 DO 10.1136/ip.4.2.94 VO 4 IS 2 A1 J Richard Udry YR 1998 UL http://injuryprevention.bmj.com/content/4/2/94.abstract AB