RT Journal Article SR Electronic T1 Unreported injuries in the Martial Arts. 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 131 OP 133 DO 10.1136/bjsm.17.2.131 VO 17 IS 2 A1 R. B. Birrer A1 C. D. Birrer YR 1983 UL http://bjsm.bmj.com/content/17/2/131.abstract AB