PT - JOURNAL ARTICLE ED - British Journal of General Practice TI - A.S.H. DP - 1971 Apr 01 TA - The Journal of the Royal College of General Practitioners PG - 185--186 VI - 21 IP - 105 4099 - http://bjgp.org/content/21/105/185.short 4100 - http://bjgp.org/content/21/105/185.full SO - J R Coll Gen Pract1971 Apr 01; 21