@article{ref1,
title="Hearing levels in a normal veteran population. Relationship to alcohol consumption",
journal="Digestion",
year="1973",
author="Koff, R. S. and Bell, B. and Garvey, A. J.",
volume="9",
number="1",
pages="36-40",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-2823",
doi="",
url="http://dx.doi.org/"
}