@article{ref1,
title="Biomarkers of alcohol use: their nature, strengths, and limitations",
journal="Military medicine",
year="2008",
author="Allen, John P. and Marques, Paul and Wurst, Friedrich",
volume="173",
number="8",
pages="v-viii",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}