@article{ref1,
title="Complications of the American coin in the esophagus",
journal="Ohio medicine",
year="1960",
author="Bogedain, W. and Lallanilla, A.",
volume="56",
number="",
pages="1224-1227",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0892-2454",
doi="",
url="http://dx.doi.org/"
}