@article{ref1,
title="Perception of reversible figures after brain injury",
journal="AMA archives of neurology and psychiatry",
year="1959",
author="Cohen, L.",
volume="81",
number="6",
pages="765-775",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-6886",
doi="",
url="http://dx.doi.org/"
}