PT - JOURNAL ARTICLE AU - M Barnes TI - Commentary AID - 10.1136/bjsm.31.3.255 DP - 1997 Sep 01 TA - British Journal of Sports Medicine PG - 255--255 VI - 31 IP - 3 4099 - http://bjsm.bmj.com/content/31/3/255.short 4100 - http://bjsm.bmj.com/content/31/3/255.full SO - Br J Sports Med1997 Sep 01; 31