PT - JOURNAL ARTICLE ED - , TI - SAQs and answers are ONLINE for RCP Fellows and Collegiate Members AID - 10.7861/clinmedicine.8-2-220 DP - 2008 Apr 01 TA - Clinical Medicine PG - 220--221 VI - 8 IP - 2 4099 - http://www.rcpjournals.org/content/8/2/220.short 4100 - http://www.rcpjournals.org/content/8/2/220.full SO - Clin Med2008 Apr 01; 8