PT - JOURNAL ARTICLE AU - H. E. Robson TI - Year Book of Sports Medicine 1984 AID - 10.1136/bjsm.19.4.220 DP - 1985 Dec 01 TA - British Journal of Sports Medicine PG - 220--220 VI - 19 IP - 4 4099 - http://bjsm.bmj.com/content/19/4/220.short 4100 - http://bjsm.bmj.com/content/19/4/220.full SO - Br J Sports Med1985 Dec 01; 19