Use of glasgow-blatchford bleeding score reduces hospital stay duration and costs for patients with low-risk upper GI bleeding oleh Marc Girardin, David Bertolini, Saskia Ditisheim, Jean-Louis Frossard, Emiliano Giostra, Nicolas Goossens, Isabelle Morard, Thai Nguyen-Tang, Laurent Spahr, Alain Vonlaufen, Antoine Hadengue, Jean-Marc Dumonceau