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Effects of vedolizumab in patients with primary sclerosing cholangitis and inflammatory bowel diseases by Lynch, K, Chapman, R, Keshav, S, Montano-Loza, A, Mason, A, Kremer, A, Vetter, M, De Krijger, M, Ponsioen, C, Trivedi, P, Hirschfield, G, Schramm, C, Liu, C, Bowlus, C, Estes, D, Pratt, D, Hedin, C, Bergquist, A, De Vries, A, Janneke Van Der Woude, C, Yu, L, Assis, D, Boyer, J, Ytting, H, Hallibasic, E, Trauner, M, Marschall, H, Daretti, L, Marzioni, M, Yimam, K, Perin, N, Floreani, A, Beretta-Piccoli, B, Rogers, J, International Primary Sclerosing Cholangitis Study Group (IPSCSG), Levy, C