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;

Endoscopic ultrasound-directed transgastric ERCP (EDGE) ¿ An effective approach for bile duct stone treatment after gastric bypass Ivo Mendes; Francisco Vara-Luiz; Gonçalo Nunes; Júlio Veloso; Jorge Fonseca; Pedro Pinto-Marques;

Leishmania colitis: An uncommon cause of gastrointestinal bleeding in an immunosuppressed patient Francisco Vara-Luiz; Helena Pires; Ivo Mendes; Carolina Palma; Eduardo Fernandes; Ana Elisa Teles; Francisco Martins do Vale; Marta Patita; Jorge Fonseca; Pedro Pinto-Marques;