Nonvariceal upper gastrointestinal hemorrhage: European Society of Gastrointestinal Endoscopy (ESGE) Cascade Guideline - Karstensen, John Gásdal; Ebigbo, Alanna; Aabakken, Lars; Dinis-Ribeiro, Mario; Gralnek, Ian; Le Moine, Olivier; Vilmann, Peter; Ijoma, Uchenna; Anigbo, Gideon; Afihene, Mary; Duduyemi, Babatunde; Ponchon, Thierry; Hassan, Cesare (Endoscopy International Open, 2018)