PT - JOURNAL ARTICLE ED - , TI - Evidence based journal watch DP - 2006 Sep 01 TA - British Journal of Sports Medicine PG - 813--814 VI - 40 IP - 9 4099 - http://bjsm.bmj.com/content/40/9/813.short 4100 - http://bjsm.bmj.com/content/40/9/813.full SO - Br J Sports Med2006 Sep 01; 40