Gerken Guido, Paul Andreas
Department of Gastroenterology and Hepatology, Faculty of Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
Department of General, Visceral and Transplantation Surgery, Faculty of Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
Visc Med. 2016 Aug;32(4):232-233. doi: 10.1159/000448633. Epub 2016 Aug 15.