@article{ref1,
title="Depressive disease: clinical course",
journal="Diseases of the nervous system",
year="1971",
author="Dorzab, J. and Baker, M. and Winokur, G. and Cadoret, R. J.",
volume="32",
number="4",
pages="269-274",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-3714",
doi="",
url="http://dx.doi.org/"
}