PT - JOURNAL ARTICLE ED - , TI - Discussion DP - 1969 Jul 01 TA - The Journal of the Royal College of General Practitioners PG - 13--14 VI - 18 IP - 84 Suppl 1 4099 - http://bjgp.org/content/18/84_Suppl_1/13.short 4100 - http://bjgp.org/content/18/84_Suppl_1/13.full SO - J R Coll Gen Pract1969 Jul 01; 18