@article{ref1,
title="Initial validity and reliability data on the Columbia-suicide severity rating scale",
journal="American journal of psychiatry",
year="2012",
author="Chappell, Phillip and Feltner, Douglas E. and Makumi, Clare and Stewart, Michelle",
volume="169",
number="6",
pages="662-663",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-953X",
doi="10.1176/appi.ajp.2012.12010123",
url="http://dx.doi.org/10.1176/appi.ajp.2012.12010123"
}