@article{ref1,
title="Fractured vertebrae in U.S. Navy aircraft accidents",
journal="Journal of aviation medicine",
year="1953",
author="Charles, J. P.",
volume="24",
number="6",
pages="483-490",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-991X",
doi="",
url="http://dx.doi.org/"
}