@article{ref1,
title="Effect of various hormonal factors on the incidence of attempted suicide",
journal="Endokrynologia Polska",
year="1987",
author="Krupka-Matuszczyk, I.",
volume="38",
number="5",
pages="401-403",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0423-104X",
doi="",
url="http://dx.doi.org/"
}