Leucopenia resulting from a drug interaction between azathioprine or 6-mercaptopurine and mesalamine, sulphasalazine, or balsalazide
P W Lowry, C L Franklin, A L Weaver, C L Szumlanski, D C Mays, E V Loftus, W J Tremaine, J J Lipsky, R M Weinshilboum, W J Sandborn
Gut Nov 2001, 49 (5) 656-664; DOI: 10.1136/gut.49.5.656