@article{ref1,
title="Unusual esophageal foreign body",
journal="Vestnik Otorinolaringologii",
year="1952",
author="Egupova, O. I.",
volume="14",
number="4",
pages="79-79",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0042-4668",
doi="",
url="http://dx.doi.org/"
}