SAGRIPANTI, Jose-Luis; 						AQUILANO, Daniel R..
 Progression of COVID-19 in six South American countries with different vaccination coverage.
<strong>Medical Research Archives</strong>, [S.l.], v. 10, n. 3, mar. 2022.
ISSN 2375-1924.
Available at: &lt;<a href="https://esmed.org/MRA/mra/article/view/2723" target="_new">https://esmed.org/MRA/mra/article/view/2723</a>&gt;. Date accessed: 24 dec. 2024.
doi: <a href="https://doi.org/10.18103/mra.v10i3.2723">https://doi.org/10.18103/mra.v10i3.2723</a>.