Lecce, Maurizio, et al. “2020-21 Influenza Vaccination Campaign Strategy As a Model for the Third COVID-19 Vaccine Dose?”.
Acta Biomedica Atenei Parmensis
, vol. 92, no. S6, Oct. 2021, p. e2021447,
https://doi.org/10.23750/abm.v92iS6.12230
.