PT - JOURNAL ARTICLE ED - , TI - EDITORIAL AID - 10.1136/bjsm.12.1.2 DP - 1978 Mar 01 TA - British Journal of Sports Medicine PG - 2--3 VI - 12 IP - 1 4099 - http://bjsm.bmj.com/content/12/1/2.short 4100 - http://bjsm.bmj.com/content/12/1/2.full SO - Br J Sports Med1978 Mar 01; 12