@article{ref1,
title="Hyperventilation in aircraft pilots",
journal="Aerospace medicine",
year="1968",
author="Murphy, T. M. and Young, W. A.",
volume="39",
number="5",
pages="463-466",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}