PT - JOURNAL ARTICLE ED - , TI - Research papers this month DP - 1999 May 01 TA - British Journal of General Practice PG - 337--338 VI - 49 IP - 442 4099 - http://bjgp.org/content/49/442/337.short 4100 - http://bjgp.org/content/49/442/337.full SO - Br J Gen Pract1999 May 01; 49