@article{ref1,
title="Was John II poisoned?]",
journal="Portugal médico",
year="1955",
author="Crespo, J.",
volume="39",
number="11",
pages="591-596",
abstract="<p>[Abstract unavailable]</p><p>Language: pt</p>",
language="pt",
issn="",
doi="",
url="http://dx.doi.org/"
}