RT Journal Article SR Electronic T1 Sports medicine for specific ages and abilities. 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 451 OP 452 DO 10.1136/bjsm.35.6.451-c VO 35 IS 6 A1 Brukner, Peter YR 2001 UL http://bjsm.bmj.com/content/35/6/451.4.abstract AB