@article{ref1,
title="Family history studies. IV. Comparison of male and female alcoholics",
journal="Quarterly journal of studies on alcohol",
year="1968",
author="Winokur, G. and Clayton, Paula J.",
volume="29",
number="4",
pages="885-891",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-5649",
doi="",
url="http://dx.doi.org/"
}