PT - JOURNAL ARTICLE ED - , TI - Medical news DP - 1973 Nov 01 TA - The Journal of the Royal College of General Practitioners PG - 794--797 VI - 23 IP - 136 4099 - http://bjgp.org/content/23/136/794.2.short 4100 - http://bjgp.org/content/23/136/794.2.full SO - J R Coll Gen Pract1973 Nov 01; 23