@article{ref1,
title="The neurophysiological basis of anxiety: a hypothesis",
journal="Perspectives in biology and medicine",
year="1965",
author="Gellhorn, E.",
volume="8",
number="4",
pages="488-515",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-5982",
doi="",
url="http://dx.doi.org/"
}