1.
Veronesi L, Colucci ME, Pasquarella C, et al. Virological surveillance of SARS-CoV-2 in an Italian northern area: comparison of Real Time RT PCR cycle threshold (Ct) values in three epidemic periods. Acta Biomed. 2020;91(9-S):19-21. doi:10.23750/abm.v91i9-S.10138