title: Is endoscopic variceal band ligation more effective than propranolol for the prevention of esophageal hemorrhage?
authors.affiliation: Department of Internal Medicine I at the University of Bonn, Germany.
authors.forename: Michael
authors.initials: M
authors.lastname: Schepke
authors.forename: Tilman
authors.initials: T
authors.lastname: Sauerbruch