@article{ref1,
title="The cause of death of the Byzantine emperor John I Tzimisces (969-976). Poisoning or typhoid fever?",
journal="Journal of medical biography",
year="1998",
author="Lascaratos, J. and Marketos, S.",
volume="6",
number="3",
pages="171-174",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0967-7720",
doi="",
url="http://dx.doi.org/"
}