RT Journal Article SR Electronic T1 Jane Thornton #Olympian #SportsDoc 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 bjsports-2018-100147 DO 10.1136/bjsports-2018-100147 A1 Alexandra Ross YR 2018 UL http://bjsm.bmj.com/content/early/2018/11/09/bjsports-2018-100147.abstract AB