Urgent endoscopy versus early endoscopy: Does urgent endoscopy play a role in acute non-variceal upper gastrointestinal bleeding? Javier Lucas Ramos; Jorge Yebra Carmona; Irene Andaluz García; Marta Cuadros Martínez; Patricia Mayor Delgado; Maria Ángeles Ruiz Ramírez; Joaquín Poza Cordón; Cristina Suárez Ferrer; Ana Delgado Suárez; Nerea Gonzalo Bada; Consuelo Froilán Torres;

Timing of endoscopy in high-risk patients with acute upper gastrointestinal bleeding: Results of a multicenter international cohort study Javier Tejedor-Tejada; Benito Hermida; Cristina Camblor; Mohamed Emara; Salem Youssef Mohamed; Jose M. Perez-Pariente;

Coffee ground emesis and early endoscopy: Is timing actually relevant? Ignacio Blanco Nodal; Valentín Roales Gómez; David Olivares Quintanar; Elena Velasco Martínez; Sara Molina Tejedor; Jose Miguel Esteban López-Jamar; Enrique Rey Díaz-Rubio;