PT - JOURNAL ARTICLE ED - , TI - SAQs and answers are ONLINE for RCP Fellows and Collegiate Members AID - 10.7861/clinmedicine.7-4-405 DP - 2007 Aug 01 TA - Clinical Medicine PG - 405--407 VI - 7 IP - 4 4099 - http://www.rcpjournals.org/content/7/4/405.short 4100 - http://www.rcpjournals.org/content/7/4/405.full SO - Clin Med2007 Aug 01; 7