POGGIALI, Erika; VERCELLI, Andrea; VADACCA, Giovanni Battista; SCHIAVO, Roberta; MAZZONI, Silvana; IOANNILLI, Eva; DEMICHELE, Elena; MAGNACAVALLO, Andrea. Negative nasopharyngeal swabs in COVID-19 pneumonia: the experience of an Italian Emergengy Department (Piacenza) during the first month of the Italian epidemic. Acta Biomedica Atenei Parmensis, Fidenza, Italy, v. 91, n. 3, p. e2020024, 2020. DOI: 10.23750/abm.v91i3.9979. Disponível em: https://mattioli1885journals.com/index.php/actabiomedica/article/view/9979.. Acesso em: 17 jul. 2024.