MARTÍNEZ-VACA LEÓN, O. Iván; 						LÓPEZ MEDELLÍN, Xavier.
 Snakes, an ancestral legacy at risk.
<strong>CIENCIA ergo-sum</strong>, [S.l.], v. 26, n. 2, june 2019.
ISSN 2395-8782.
Available at: &lt;<a href="https://cienciaergosum.uaemex.mx/article/view/10533" target="_new">https://cienciaergosum.uaemex.mx/article/view/10533</a>&gt;. Date accessed: 18 aug. 2026.
doi: <a href="https://doi.org/10.30878/ces.v26n2a10">https://doi.org/10.30878/ces.v26n2a10</a>.