@article{ref1,
title="Complications from swallowing and aspiration of foreign bodies",
journal="Zahnarztliche Praxis",
year="1973",
author="Schmid, F.",
volume="24",
number="3",
pages="78-79",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-1651",
doi="",
url="http://dx.doi.org/"
}