PT - JOURNAL ARTICLE ED - , TI - Digest DP - 1993 May 01 TA - British Journal of General Practice PG - 222--223 VI - 43 IP - 370 4099 - http://bjgp.org/content/43/370/222.short 4100 - http://bjgp.org/content/43/370/222.full SO - Br J Gen Pract1993 May 01; 43