VAN DEM, Pham et al.
 Clinical, Paraclinical Characteristics  and Relative Risk Factors of Severe Degree in Children  with COVID-19: Systematic Review.
<strong>VNU Journal of Science: Medical and Pharmaceutical Sciences</strong>, [S.l.], v. 38, n. 1, mar. 2022.
ISSN 2588-1132.
Available at: &lt;<a href="https://js.vnu.edu.vn/MPS/article/view/4371" target="_new">https://js.vnu.edu.vn/MPS/article/view/4371</a>&gt;. Date accessed: 19 apr. 2024.
doi: <a href="https://doi.org/10.25073/2588-1132/vnumps.4371">https://doi.org/10.25073/2588-1132/vnumps.4371</a>.