@article{ref1,
title="Unknown foreign body in the esophagus with a long duration as a cause of death",
journal="Medicinski Glasnik",
year="1973",
author="Ljubomirović, D.",
volume="27",
number="3",
pages="77-79",
abstract="<p>[Abstract unavailable]</p><p>Language: sr</p>",
language="sr",
issn="0025-8091",
doi="",
url="http://dx.doi.org/"
}