PT - JOURNAL ARTICLE ED - , TI - Corrigendum DP - 1990 Nov 01 TA - British Journal of General Practice PG - 469--469 VI - 40 IP - 340 4099 - http://bjgp.org/content/40/340/469.short 4100 - http://bjgp.org/content/40/340/469.full SO - Br J Gen Pract1990 Nov 01; 40