Appendicitis and cholecystitis during the COVID-19 outbreak: a multicentre experience. Swiss Medical Weekly, [S. l.], v. 151, n. 3334, p. w30017, 2021. DOI: 10.4414/SMW.2021.w30017. Disponível em: https://www.smw.ch/index.php/smw/article/view/3053. Acesso em: 15 oct. 2025.