@article{ref1,
title="Relation of Suicide Rates to Social Conditions",
journal="Public health reports (1974)",
year="1963",
author="Macmahon, B. and Johnson, S. and Pugh, T. F.",
volume="78",
number="4",
pages="285-293",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0033-3549",
doi="",
url="http://dx.doi.org/"
}