@article{ref1,
title="Epidemiology of suicide",
journal="New physician",
year="1962",
author="Levin, E. C.",
volume="11",
number="",
pages="108-110",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-6451",
doi="",
url="http://dx.doi.org/"
}