@article{ref1,
title="The cingulate gyrus--a fear zone?",
journal="Journal of comparative and physiological psychology",
year="1969",
author="Ursin, H.",
volume="68",
number="2",
pages="235-238",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9940",
doi="",
url="http://dx.doi.org/"
}