@article{ref1,
title="Hemopericardium caused by ingested safety pin",
journal="Endoscopy",
year="2002",
author="Kalayci, A. G. and Baysal, K. and Uysal, S. and Sarac, A. and Bernay, F. and Gebesoglu, F.",
volume="34",
number="1",
pages="93-93",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0013-726X",
doi="10.1055/s-2002-19388",
url="http://dx.doi.org/10.1055/s-2002-19388"
}