@article{ref1,
title="Loss of consciousness. Incidence, causes and electroencephalographic findings",
journal="Aerospace medicine",
year="1962",
author="Williams, R. L. and Allen, P. D.",
volume="33",
number="",
pages="545-551",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}