PT - JOURNAL ARTICLE ED - , TI - Evidence based journal watch DP - 2005 Jul 01 TA - British Journal of Sports Medicine PG - 469--470 VI - 39 IP - 7 4099 - http://bjsm.bmj.com/content/39/7/469.short 4100 - http://bjsm.bmj.com/content/39/7/469.full SO - Br J Sports Med2005 Jul 01; 39