MAYEK PEREZ, Netzahualcoyotl et al.
 Clinical characteristics and risk factors for mortality during the ‘First Wave’ of COVID-19 in Reynosa, Tamaulipas.
<strong>Medicina e Investigación Universidad Autónoma del Estado de México</strong>, [S.l.], v. 11, n. 1, p. 41-48, may 2023.
ISSN 2594-0600.
Available at: &lt;<a href="https://medicinainvestigacion.uaemex.mx/article/view/20452" target="_new">https://medicinainvestigacion.uaemex.mx/article/view/20452</a>&gt;. Date accessed: 19 aug. 2026.
doi: <a href="https://doi.org/10.36677/medicinainvestigacion.v11i1.20452">https://doi.org/10.36677/medicinainvestigacion.v11i1.20452</a>.