Effects of a peripherally acting µ-opioid receptor antagonist for the prevention of recurrent acute pancreatitis: study protocol for an investigator-initiated, randomized, placebo-... oleh Mathias E. Cook, Cecilie S. Knoph, Camilla A. Fjelsted, Jens B. Frøkjær, Anders E. Bilgrau, Srdan Novovic, Maiken Thyregod Jørgensen, Michael B. Mortensen, Liv B. J. Nielsen, Amer Hadi, Mark Berner-Hansen, Wiktor Rutkowski, Miroslav Vujasinovic, Matthias Löhr, Asbjørn M. Drewes, Søren S. Olesen