@article{ref1,
title="Casualty experience of swallowed foreign body",
journal="British journal of clinical practice",
year="1980",
author="Maitra, A. K.",
volume="34",
number="1",
pages="15-7, 24",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0947",
doi="",
url="http://dx.doi.org/"
}