PT - JOURNAL ARTICLE ED - , TI - EDITOR’S QUIZ: GI SNAPSHOT DP - 2005 Mar 01 TA - Gut PG - 373--373 VI - 54 IP - 3 4099 - http://gut.bmj.com/content/54/3/373.short 4100 - http://gut.bmj.com/content/54/3/373.full SO - Gut2005 Mar 01; 54