@article{ref1,
title="Family history studies. 8. Secondary depression is alive and well, and",
journal="Diseases of the nervous system",
year="1972",
author="Winokur, G.",
volume="33",
number="2",
pages="94-99",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-3714",
doi="",
url="http://dx.doi.org/"
}