@article{ref1,
title="Blunt laryngotracheal trauma",
journal="California medicine",
year="1971",
author="Jafek, B. W. and Butler, R. M. and Ward, P. H.",
volume="115",
number="3",
pages="67-71",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-1264",
doi="",
url="http://dx.doi.org/"
}