PT - JOURNAL ARTICLE AU - Stephen Barber TI - Clinical guidelines… must be pertinent, brief, valid and accessible AID - 10.7861/clinmedicine.1-6-515 DP - 2001 Nov 01 TA - Clinical Medicine PG - 515--515 VI - 1 IP - 6 4099 - http://www.rcpjournals.org/content/1/6/515.1.short 4100 - http://www.rcpjournals.org/content/1/6/515.1.full SO - Clin Med2001 Nov 01; 1