@article{ref1,
title="Early detection of depression and prevention of suicide in old age",
journal="Public health forum",
year="2007",
author="Wilk, K. and Havers, I. and Bramesfeld, A. and Hegerl, U.",
volume="15",
number="4",
pages="26.e1-26.e3",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0944-5587",
doi="",
url="http://dx.doi.org/"
}