Alimentary Pharmacology & Therapeutics (页面存档备份,存于互联网档案馆),Weersma, R. K., Peters, F. T. M., Oostenbrug, L. E., van den Berg, A. P., van Haastert, M., Ploeg, R. J., Posthumus, M. D., Homan van der Heide, J. J., Jansen, P. L. M. and van Dullemen, H. M. (October 2004). "Increased incidence of Azathioprine-induced pancreatitis in Crohn's disease compared with other diseases"20 (8): 843–850.。
Alimentary Pharmacology & Therapeutics (页面存档备份,存于互联网档案馆),Weersma, R. K., Peters, F. T. M., Oostenbrug, L. E., van den Berg, A. P., van Haastert, M., Ploeg, R. J., Posthumus, M. D., Homan van der Heide, J. J., Jansen, P. L. M. and van Dullemen, H. M. (October 2004). "Increased incidence of Azathioprine-induced pancreatitis in Crohn's disease compared with other diseases"20 (8): 843–850.。