@article{ref1,
title="Epidemiology and seasonal affective disorder",
journal="Psychological medicine",
year="1988",
author="Eastwood, M. R. and Peter, A. M.",
volume="18",
number="4",
pages="799-806",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2917",
doi="",
url="http://dx.doi.org/"
}