@article{ref1,
title="The end of life: could it be comfortable?",
journal="Medicina clinica",
year="2001",
author="Sanz Ortiz, J.",
volume="116",
number="5",
pages="186-190",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0025-7753",
doi="",
url="http://dx.doi.org/"
}