@article{ref1,
title="Cervical spine fractures due to spear tackles in two Rugby league players",
journal="Injury",
year="1993",
author="Close, P. J. and Scally, P. M. and Laing, B. A.",
volume="24",
number="3",
pages="189-190",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0020-1383",
doi="",
url="http://dx.doi.org/"
}