@article{ref1,
title="Foreign body in the trachea (author's transl)",
journal="Tijdschrift voor Diergeneeskunde",
year="1975",
author="van der Zee, D. and Baarschers, J. J. and Hommes, U. E. and Poll, P. H.",
volume="100",
number="4",
pages="229-229",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0040-7453",
doi="",
url="http://dx.doi.org/"
}