Frailty Assessment as a Prognostic Tool in Elderly Gastrointestinal Patients. Acta gastro-enterologica Belgica, [S. l.], v. 78, 2020. DOI: 10.67592/g96q1123. Disponível em: https://acta-be.org/index.php/ACTA/article/view/47. Acesso em: 28 mar. 2026.