@article{ref1,
title="The relationship between serum gamma-glutamyl transpeptidase level and reported alcohol consumption in healthy men",
journal="Journal of studies on alcohol",
year="1979",
author="Robinson, D. and Monk, C. and Bailey, A.",
volume="40",
number="9",
pages="896-901",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-882X",
doi="",
url="http://dx.doi.org/"
}