PT - JOURNAL ARTICLE ED - , TI - SAQs and answers are ONLINE for RCP Fellows and Collegiate Members AID - 10.7861/clinmedicine.6-6-548 DP - 2006 Nov 01 TA - Clinical Medicine PG - 548--550 VI - 6 IP - 6 4099 - http://www.rcpjournals.org/content/6/6/548.short 4100 - http://www.rcpjournals.org/content/6/6/548.full SO - Clin Med2006 Nov 01; 6