@article{ref1,
title="Suicidal ideation and suicide attempts in the elderly associated with opioid use and pain sensitivity",
journal="Psychotherapy and psychosomatics",
year="2017",
author="Calati, Raffaella and Olié, Emilie and Ritchie, Karen and Artero, Sylvaine and Courtet, Philippe",
volume="86",
number="6",
pages="373-375",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-3190",
doi="10.1159/000478021",
url="http://dx.doi.org/10.1159/000478021"
}