@article{ref1,
title="Seasonal variation in suicides: hidden not vanished",
journal="British journal of psychiatry",
year="2001",
author="Beersma, D. G. and van Houwelingen, C. A.",
volume="178",
number="",
pages="380-380",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}