PT - JOURNAL ARTICLE AU - Liam J Donaldson TI - Sport and exercise: the public health challenge AID - 10.1136/bjsm.34.6.409 DP - 2000 Dec 01 TA - British Journal of Sports Medicine PG - 409--410 VI - 34 IP - 6 4099 - http://bjsm.bmj.com/content/34/6/409.short 4100 - http://bjsm.bmj.com/content/34/6/409.full SO - Br J Sports Med2000 Dec 01; 34