@article{ref1,
title="Hatred is the worse contaminant",
journal="Gaceta Sanitaria",
year="1992",
author="Lang, S.",
volume="6",
number="31",
pages="186-186",
abstract="<p>[Abstract unavailable]</p> <p>Language: es</p>",
language="es",
issn="0213-9111",
doi="",
url="http://dx.doi.org/"
}