PT - JOURNAL ARTICLE ED - , TI - International Digest DP - 1997 Sep 01 TA - British Journal of General Practice PG - 596--597 VI - 47 IP - 422 4099 - http://bjgp.org/content/47/422/596.short 4100 - http://bjgp.org/content/47/422/596.full SO - Br J Gen Pract1997 Sep 01; 47