PT - JOURNAL ARTICLE ED - British Journal of General Practice TI - Digest DP - 1993 Jan 01 TA - British Journal of General Practice PG - 42--43 VI - 43 IP - 366 4099 - http://bjgp.org/content/43/366/42.2.short 4100 - http://bjgp.org/content/43/366/42.2.full SO - Br J Gen Pract1993 Jan 01; 43