@article{ref1,
title="Risk of fall in the elderly: how to evaluate",
journal="Arquivos de Neuro-Psiquiatria",
year="2013",
author="Pereira, Cristiana Borges",
volume="71",
number="1",
pages="1-2",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0004-282X",
doi="",
url="http://dx.doi.org/"
}