PT - JOURNAL ARTICLE ED - , TI - Discussion DP - 1966 May 01 TA - The Journal of the College of General Practitioners PG - 9--12 VI - 11 IP - Suppl 3 4099 - http://bjgp.org/content/11/Suppl_3/9.short 4100 - http://bjgp.org/content/11/Suppl_3/9.full SO - J Coll Gen Pract1966 May 01; 11