PT - JOURNAL ARTICLE ED - , TI - Discussion DP - 1969 May 01 TA - The Journal of the Royal College of General Practitioners PG - 50--52 VI - 17 IP - 82 Suppl 3 4099 - http://bjgp.org/content/17/82_Suppl_3/50.short 4100 - http://bjgp.org/content/17/82_Suppl_3/50.full SO - J R Coll Gen Pract1969 May 01; 17