@article{ref1,
title="Hyperextension injuries of the spine",
journal="Journal of bone and joint surgery: British volume",
year="1971",
author="Burke, D. C.",
volume="53",
number="1",
pages="3-12",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0301-620X",
doi="",
url="http://dx.doi.org/"
}