APA

Boonstra K., van Erpecum K. J., van Nieuwkerk K. M. J., Drenth J. P. H., Poen A. C., Witteman B. J. M., Tuynman H. A. R. E., Beuers U. & Ponsioen C. Y. (20130503). Primary sclerosing cholangitis is associated with a distinct phenotype of inflammatory bowel disease. : Inflammatory bowel diseases.

Chicago

Boonstra Kirsten, van Erpecum Karel J, van Nieuwkerk Karin M J, Drenth Joost P H, Poen Alexander C, Witteman Ben J M, Tuynman Hans A R E, Beuers Ulrich and Ponsioen Cyriel Y. 20130503. Primary sclerosing cholangitis is associated with a distinct phenotype of inflammatory bowel disease. : Inflammatory bowel diseases.

Harvard

Boonstra K., van Erpecum K. J., van Nieuwkerk K. M. J., Drenth J. P. H., Poen A. C., Witteman B. J. M., Tuynman H. A. R. E., Beuers U. and Ponsioen C. Y. (20130503). Primary sclerosing cholangitis is associated with a distinct phenotype of inflammatory bowel disease. : Inflammatory bowel diseases.

MLA

Boonstra Kirsten, van Erpecum Karel J, van Nieuwkerk Karin M J, Drenth Joost P H, Poen Alexander C, Witteman Ben J M, Tuynman Hans A R E, Beuers Ulrich and Ponsioen Cyriel Y. Primary sclerosing cholangitis is associated with a distinct phenotype of inflammatory bowel disease. : Inflammatory bowel diseases. 20130503.