@article{ref1,
title="Roentgenologic evaluation of flying personnel at simulated altitude by use of portable equipment",
journal="Aerospace medicine",
year="1959",
author="Stonehill, R. B. and Reed, J. E. and Parker, G. W.",
volume="30",
number="",
pages="751-754",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}