@article{ref1,
title="Epidemiological methods in the study of alcoholism",
journal="American journal of public health",
year="1959",
author="Lipscomb, W. R.",
volume="49",
number="3",
pages="327-333",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}