Association between frailty and outcomes in emergency department patients requiring emergency general surgery: a retrospective cohort study. Swiss Medical Weekly, [S. l.], v. 156, n. 6, p. 5114, 2026. DOI: 10.57187/5114. Disponível em: https://smw.ch/index.php/smw/article/view/5114. Acesso em: 25 jul. 2026.