@article{ref1,
title="Pulmonary pressure-volume changes attending head injury",
journal="Journal of applied physiology (APS DC)",
year="1970",
author="Beckman, D. L. and Bean, J. W.",
volume="29",
number="5",
pages="631-636",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-8987",
doi="",
url="http://dx.doi.org/"
}