PT - JOURNAL ARTICLE ED - , TI - Medical news DP - 1973 Oct 01 TA - The Journal of the Royal College of General Practitioners PG - 709--712 VI - 23 IP - 135 4099 - http://bjgp.org/content/23/135/709.short 4100 - http://bjgp.org/content/23/135/709.full SO - J R Coll Gen Pract1973 Oct 01; 23