@article{ref1,
title="Head to head on spear tackler's spine: criteria and implications for return to play",
journal="Journal of bone and joint surgery: American volume",
year="2003",
author="Brigham, Craig D. and Warren, Russell",
volume="85-A",
number="2",
pages="381-2; author reply 382",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9355",
doi="",
url="http://dx.doi.org/"
}