PT - JOURNAL ARTICLE ED - , TI - Evidence based journal watch DP - 2006 Jan 01 TA - British Journal of Sports Medicine PG - 87--88 VI - 40 IP - 1 4099 - http://bjsm.bmj.com/content/40/1/87.short 4100 - http://bjsm.bmj.com/content/40/1/87.full SO - Br J Sports Med2006 Jan 01; 40