PT - JOURNAL ARTICLE ED - , TI - Discussion DP - 1963 Nov 01 TA - The Journal of the College of General Practitioners PG - 31--41 VI - 6 IP - Suppl 4 4099 - http://bjgp.org/content/6/Suppl_4/31.short 4100 - http://bjgp.org/content/6/Suppl_4/31.full SO - J Coll Gen Pract1963 Nov 01; 6