PT - JOURNAL ARTICLE AU - P Milroy TI - John Clegg AID - 10.1136/bjsm.37.1.3 DP - 2003 Feb 01 TA - British Journal of Sports Medicine PG - 3--3 VI - 37 IP - 1 4099 - http://bjsm.bmj.com/content/37/1/3.short 4100 - http://bjsm.bmj.com/content/37/1/3.full SO - Br J Sports Med2003 Feb 01; 37