%0 Journal Article %A Simon Travis %A Jack Satsangi %A Marc LĂ©mann %T Predicting the need for colectomy in severe ulcerative colitis: a critical appraisal of clinical parameters and currently available biomarkers %D 2011 %R 10.1136/gut.2010.216895 %J Gut %P 3-9 %V 60 %N 1 %U https://gut.bmj.com/content/gutjnl/60/1/3.full.pdf