RT Journal Article SR Electronic T1 Safety measures in amateur boxing 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 394 OP 395 DO 10.1136/bjsm.36.6.394 VO 36 IS 6 A1 P Jako YR 2002 UL http://bjsm.bmj.com/content/36/6/394.abstract AB