Anti-integrin αvβ6 Autoantibodies Are Increased in Primary Sclerosing Cholangitis Patients With Concomitant Inflammatory Bowel Disease and Correlate With Liver Disease Severity

Hannah Bloemen, Alexandra E. Livanos, Adrielly Martins, Richard E. Dean, Ana Catarina Bravo, Arno R. Bourgonje, Michael Tankelevich, Jake T. Herb, Judy H. Cho, André Anastácio Santos, Cecília M. P. Rodrigues, Francesca Petralia, Jean‐Frédéric Colombel, Christopher L. Bowlus, Thomas D. Schiano, Joana Torres, Cynthia Levy, Saurabh Mehandru