@article{ref1,
title="Mandatory exploration or observation for penetrating neck injuries?",
journal="Canadian journal of surgery",
year="1997",
author="Maier, R. V. and O'Keefe, G. E.",
volume="40",
number="1",
pages="8-9",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-428X",
doi="",
url="http://dx.doi.org/"
}