Kasper Philipp, Michels Guido, Jaspers Natalie
Department of Gastroenterology and Hepatology, University Hospital of Cologne, Cologne, Germany.
Department III of Internal Medicine, University Hospital of Cologne, Cologne, Germany.
Clin Gastroenterol Hepatol. 2019 Jan;17(1):A28. doi: 10.1016/j.cgh.2018.02.041. Epub 2018 Mar 2.