@article{ref1,
title="Case report number 13: vertigo",
journal="Aerospace medicine",
year="1963",
author="Tillisch, J. H. and Carter, E. T.",
volume="34",
number="",
pages="863-863",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}