@article{ref1,
title="Foreign body (paper clip) in the esophagus of a young infant",
journal="Journal of pediatrics",
year="1957",
author="Nichamin, S. J. and Gonne, W. S.",
volume="51",
number="2",
pages="197-201",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3476",
doi="",
url="http://dx.doi.org/"
}