Manthey Carolin F, Badran Abdel Ghani A, Denzer Ulrike W
Department of Gastroenterology, University Hospital Hamburg-Eppendorf, Hamburg, Germany.
Gastroenterology, Hepatology and Endoscopy Department, Shebin El-Kom Fever Hospital, Meet Khalaf, Shebin El-Kom, Menofiya, Egypt.
Gastroenterology. 2015 Jun;148(7):e5-6. doi: 10.1053/j.gastro.2014.11.006. Epub 2015 Apr 30.