@article{ref1,
title="The association of smoking and drinking habits in a community sample",
journal="Journal of studies on alcohol",
year="1977",
author="Craig, T. J. and Van Natta, P. A.",
volume="38",
number="7",
pages="1434-1439",
abstract="A general population survey showed a significant though modest correlation between smoking and drinking habits. Heavy drinkers who are also smokers appear to be at high risk of developing drinking problems.<p /><p>Language: en</p>",
language="en",
issn="0096-882X",
doi="",
url="http://dx.doi.org/"
}