@article{ref1,
title="Do parkinsonians exhibit visuospatial deficits?",
journal="Advances in Neurology",
year="1990",
author="Levin, B. E. and Llabre, M. M. and Ansley, J. and Weiner, W. J. and Sanchez-Ramos, J.",
volume="53",
number="",
pages="311-315",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-3952",
doi="",
url="http://dx.doi.org/"
}