%0 Journal Article %T Endoscopy Posters 352–391 %D 2002 %R 10.1136/gut.50.suppl_2.a96 %J Gut %P a96-A107 %V 50 %N suppl 2 %U https://gut.bmj.com/content/gutjnl/50/suppl_2/a96.full.pdf