@article{ref1,
title="Suicide risk in elderly patients",
journal="Nurse practitioner",
year="2008",
author="Valente, S.",
volume="33",
number="8",
pages="34-40",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0361-1817",
doi="10.1097/01.NPR.0000335129.19620.96",
url="http://dx.doi.org/10.1097/01.NPR.0000335129.19620.96"
}