PT - JOURNAL ARTICLE ED - , TI - EDITOR’S QUIZ: GI SNAPSHOT AID - 10.1136/gut.2006.095224a DP - 2007 May 01 TA - Gut PG - 668--668 VI - 56 IP - 5 4099 - http://gut.bmj.com/content/56/5/668.short 4100 - http://gut.bmj.com/content/56/5/668.full SO - Gut2007 May 01; 56