@article{ref1,
title="Inhaled foreign bodies",
journal="British medical journal: BMJ",
year="1956",
author="Robinson, C. L. and Mushin, W. W.",
volume="2",
number="4988",
pages="324-328",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}