@article{ref1,
title="Tracheobronchial foreign bodies",
journal="European respiratory journal",
year="1994",
author="Nakhosteen, J. A.",
volume="7",
number="3",
pages="429-430",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0903-1936",
doi="",
url="http://dx.doi.org/"
}