D'Amato, Smeralda, et al. “COVID-19 Serological Evaluation in a Cohort of Vaccinated and Seropositive Healthcare Workers ”.
Acta Biomedica Atenei Parmensis
, vol. 92, no. S6, Oct. 2021, p. e2021415,
https://doi.org/10.23750/abm.v92iS6.12261
.