@article{ref1,
title="Bowel perforation due to ingested foreign bodies",
journal="American journal of digestive diseases",
year="1951",
author="Kleitsch, W. P. and Sinow, G. S.",
volume="18",
number="5",
pages="167-168",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9211",
doi="",
url="http://dx.doi.org/"
}