@article{ref1,
title="Suicidal ideation in the United States",
journal="Suicide and life-threatening behavior",
year="2000",
author="Jacobs, D. G.",
volume="30",
number="2",
pages="177-179",
abstract="Abstract unavailable.",
language="",
issn="0363-0234",
doi="",
url="http://dx.doi.org/"
}