@article{ref1,
title="Protective factors in alcoholism",
journal="Drug and alcohol dependence",
year="1979",
author="Goodwin, D. W.",
volume="4",
number="1-2",
pages="99-100",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0376-8716",
doi="",
url="http://dx.doi.org/"
}