@article{ref1,
title="Physiologic/psychologic changes reported by USAF female flight nurses during flying duties",
journal="Nursing research",
year="1973",
author="Farrell, B. L. and Allen, M. F.",
volume="22",
number="1",
pages="31-36",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0029-6562",
doi="",
url="http://dx.doi.org/"
}