@article{ref1,
title="Unusual life-threatening tracheal foreign body",
journal="Laryngologie, rhinologie, otologie",
year="1982",
author="Caspary, F.",
volume="61",
number="11",
pages="642-643",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0340-1588",
doi="",
url="http://dx.doi.org/"
}