MI, Bobin et al. Delayed surgery versus nonoperative treatment for hip fractures in post-COVID-19 arena: a retrospective study of 145 patients. Acta Orthopaedica, [S. l.], v. 91, n. 6, p. 639–643, 2020. DOI: 10.1080/17453674.2020.1816617. Disponível em: https://actaorthop.org/actao/article/view/1014. Acesso em: 26 apr. 2026.