%0 Journal Article %A L J J Derijks %A R B van Helden %A D W Hommes %A P C Stokkers %T Dosing azathioprine in thiopurine S-methyltransferase deficient inflammatory bowel disease patients %D 2008 %R 10.1136/gut.2007.145912 %J Gut %P 872-872 %V 57 %N 6 %U https://gut.bmj.com/content/gutjnl/57/6/872.1.full.pdf