@article{ref1,
title="Hangman's fracture",
journal="Spine",
year="1999",
author="Agrillo, U. and Mastronardi, L. and Prezioso, A. and Puzzilli, F.",
volume="24",
number="22",
pages="2412-2412",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0362-2436",
doi="",
url="http://dx.doi.org/"
}