PT - JOURNAL ARTICLE AU - Spiller, Robin TI - Digest AID - 10.1136/gut.53.1.1-a DP - 2004 Jan 01 TA - Gut PG - 1--1 VI - 53 IP - 1 4099 - http://gut.bmj.com/content/53/1/1.2.short 4100 - http://gut.bmj.com/content/53/1/1.2.full SO - Gut2004 Jan 01; 53