@article{ref1,
title="The critical mass hypothesis of suicide: a test in the United States of America",
journal="Psychological reports",
year="1988",
author="Lester, David",
volume="62",
number="2",
pages="626-626",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}