PT - JOURNAL ARTICLE ED - , TI - Evidence based journal watch DP - 2005 Jan 01 TA - British Journal of Sports Medicine PG - 50--51 VI - 39 IP - 1 4099 - http://bjsm.bmj.com/content/39/1/50.short 4100 - http://bjsm.bmj.com/content/39/1/50.full SO - Br J Sports Med2005 Jan 01; 39