@article{ref1,
title="Hyperextension injuries to the cervical cord in the elderly",
journal="British medical journal: BMJ",
year="1989",
author="Crawford, P. M. and Shepherd, D. I.",
volume="299",
number="6700",
pages="669-670",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}