@article{ref1,
title="More sleep will bring more serotonin and less suicide in Japan",
journal="Medical hypotheses",
year="2010",
author="Kohyama, Jun",
volume="75",
number="3",
pages="340-340",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0306-9877",
doi="10.1016/j.mehy.2010.03.035",
url="http://dx.doi.org/10.1016/j.mehy.2010.03.035"
}