@article{ref1,
title="Proneness to syncope of pilots who have reported incidents of impaired consciousness in flight",
journal="Aerospace medicine",
year="1970",
author="Newberry, P. D. and Hatch, A. W.",
volume="41",
number="1",
pages="96-98",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}