The impact of aging in upper gastrointestinal bleeding: a Portuguese multicentric study - Vara-Luiz, F; Mendes, I; Palma, C; Simas, D; Gomes, P; Gonçalves, A; Inês, S; Teixeira, M; Ramos Lopes, S; Côrte-Real, F; Duarte, M A; Bravo, A C; Patita, M; Nunes, G; Pinto-Marques, P; Fonseca, J (Endoscopy, 2025)