PT - JOURNAL ARTICLE AU - Platt, TI - INTRODUCTION DP - 1968 Nov 01 TA - The Journal of the Royal College of General Practitioners PG - 37--37 VI - 16 IP - Suppl 2 4099 - http://bjgp.org/content/16/Suppl_2/37.short 4100 - http://bjgp.org/content/16/Suppl_2/37.full SO - J R Coll Gen Pract1968 Nov 01; 16