RT Journal Article SR Electronic T1 OPEN FORUM 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 48 OP 49 DO 10.1136/bjsm.14.1.48 VO 14 IS 1 YR 1980 UL http://bjsm.bmj.com/content/14/1/48.abstract AB