PT - JOURNAL ARTICLE ED - British Journal of General Practice TI - St. Thomas' Hospital DP - 1963 Aug 01 TA - The Journal of the College of General Practitioners PG - 493--494 VI - 6 IP - 3 4099 - http://bjgp.org/content/6/3/493.2.short 4100 - http://bjgp.org/content/6/3/493.2.full SO - J Coll Gen Pract1963 Aug 01; 6