@article{ref1,
title="Suicide in a heterogeneous society",
journal="British journal of psychiatry",
year="1970",
author="Modan, B. and Nissenkorn, I. and Lewkowski, S. R.",
volume="116",
number="530",
pages="65-68",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}