KALLI, Moussa; MOUSSA, Ali Mahamat; OUMAR, Aboulgassim; OUCHEMI, Choua. Impact of the first wave of the COVID-19 pandemic on emergency surgical activities at the National Reference University Hospital of N’Djamena. Acta Biomedica Atenei Parmensis, Fidenza, Italy, v. 92, n. S2, p. e2021339, 2021. DOI: 10.23750/abm.v92iS2.12672. Disponível em: https://mattioli1885journals.com/index.php/actabiomedica/article/view/12672.. Acesso em: 17 jul. 2024.