%0 Journal Article %A J Richter %A T Heintges %A D Thomassen %A E Tannich %A D Häussinger %T An unsuspected cause of chronic colitis %D 2006 %R 10.1136/gut.2005.077487 %J Gut %P 832-832 %V 55 %N 6 %U https://gut.bmj.com/content/gutjnl/55/6/832.full.pdf