@article{ref1,
title="Traumatic cervical instability in martial arts",
journal="Scandinavian journal of medicine and science in sports",
year="2007",
author="Robinson, Y. and Kayser, R. and Ertel, W. and Heyde, C. E.",
volume="17",
number="1",
pages="92-93",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0905-7188",
doi="10.1111/j.1600-0838.2006.00596.x",
url="http://dx.doi.org/10.1111/j.1600-0838.2006.00596.x"
}