@article{ref1,
title="Family history studies. I. Two types of affective disorders separated according to genetic and clinical factors",
journal="Recent advances in biological psychiatry",
year="1966",
author="Winokur, G. and Clayton, P.",
volume="9",
number="",
pages="35-50",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0376-2122",
doi="",
url="http://dx.doi.org/"
}