@article{ref1,
title="Epidemiology of suicides in Cracow area",
journal="Psychiatria Polska",
year="1968",
author="Kostrzewa, T. and Mijal, K. and Pańków, T. and Pluzek, Z. and Wilk, Z.",
volume="2",
number="6",
pages="653-661",
abstract="<p>[Abstract unavailable]</p> <p>Language: pl</p>",
language="pl",
issn="0033-2674",
doi="",
url="http://dx.doi.org/"
}