PT - JOURNAL ARTICLE ED - British Journal of General Practice TI - Digest DP - 1989 Oct 01 TA - The Journal of the Royal College of General Practitioners PG - 436--437 VI - 39 IP - 327 4099 - http://bjgp.org/content/39/327/436.short 4100 - http://bjgp.org/content/39/327/436.full SO - J R Coll Gen Pract1989 Oct 01; 39