Number of comorbidities and their impact on perioperative outcome and costs – a single centre cohort study. Swiss Medical Weekly, [S. l.], v. 152, n. 1112, p. w30135, 2022. DOI: 10.4414/SMW.2022.w30135. Disponível em: https://www.smw.ch/index.php/smw/article/view/3172. Acesso em: 12 dec. 2025.