@article{ref1,
title="Hypoxemia during aeromedical evacuation",
journal="Surgery, gynecology and obstetrics",
year="1973",
author="Henry, J. N. and Krenis, L. J. and Cutting, R. T.",
volume="136",
number="1",
pages="49-53",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0039-6087",
doi="",
url="http://dx.doi.org/"
}