RT Journal Article SR Electronic T1 Hypothermia during marathons a problem in cool climates. 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 90 OP 90 DO 10.1136/bjsm.20.2.90 VO 20 IS 2 A1 E L Lloyd YR 1986 UL http://bjsm.bmj.com/content/20/2/90.1.abstract AB