TY - JOUR T1 - Correction JF - Gut JO - Gut SP - 742 LP - 742 DO - 10.1136/gut.50.5.742 VL - 50 IS - 5 A2 - , Y1 - 2002/05/01 UR - http://gut.bmj.com/content/50/5/742.abstract N2 - Reference 1 in Lindgren et al (Gut 2002; … ER -