@article{ref1,
title="Acute and chronic poisonings in relation to pregnancy",
journal="Medicamenta",
year="1952",
author="Martinez sanchez, T.",
volume="10",
number="224",
pages="202-205",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="0025-7648",
doi="",
url="http://dx.doi.org/"
}