@article{ref1,
title="Contribution to the study of poisonous snakes in ecuador",
journal="Revista ecuatoriana de higiene y medicina tropical",
year="1964",
author="Sotomayornavas, G.",
volume="21",
number="",
pages="71-74",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0013-0745",
doi="",
url="http://dx.doi.org/"
}