RT Journal Article SR Electronic T1 Mechanical analysis of survival in falls from heights of fifty to one hundred and fifty feet JF Injury Prevention JO Inj Prev FD BMJ Publishing Group Ltd SP 62 OP 68 DO 10.1136/ip.6.1.62-b VO 6 IS 1 A1 De Haven, Hugh YR 2000 UL http://injuryprevention.bmj.com/content/6/1/62.3.abstract AB