PT - JOURNAL ARTICLE AU - John Warren TI - Letters to the Editor AID - 10.7861/clinmedicine.7-5-524a DP - 2007 Oct 01 TA - Clinical Medicine PG - 524--525 VI - 7 IP - 5 4099 - http://www.rcpjournals.org/content/7/5/524.2.short 4100 - http://www.rcpjournals.org/content/7/5/524.2.full SO - Clin Med2007 Oct 01; 7