Walter Dirk, Hartmann Sylvia, Albert Jörg G
Department of Internal Medicine I, Johann Wolfgang Goethe University Hospital, Frankfurt, Germany.
Dr. Senckenberg Institute for Pathology, Johann Wolfgang Goethe-University Hospital, Frankfurt, Germany.
Gastrointest Endosc. 2017 Jan;85(1):265-266. doi: 10.1016/j.gie.2016.02.019. Epub 2016 Feb 20.