Media type: E-Article Title: Performance of tacrolimus in hospitalized patients with steroid-refractory acute severe ulcerative colitis Contributor: Hoffmann, Peter; Wehling, Cyrill; Krisam, Johannes; Pfeiffenberger, Jan; Belling, Nina; Gauss, Annika imprint: Baishideng Publishing Group Inc., 2019 Published in: World Journal of Gastroenterology Language: Not determined DOI: 10.3748/wjg.v25.i13.1603 ISSN: 1007-9327 Origination: Footnote: Access State: Open Access