RT Journal Article SR Electronic T1 Mountain Accidents JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 108 OP 110 DO 10.1136/bjsm.6.3-4.108 VO 6 IS 3-4 A1 I. A. Campbell YR 1972 UL http://bjsm.bmj.com/content/6/3-4/108.abstract AB