@article{ref1,
title="Sex differences in the first drinking experience",
journal="Quarterly journal of studies on alcohol",
year="1957",
author="Ullman, A. D.",
volume="18",
number="2",
pages="229-239",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-5649",
doi="",
url="http://dx.doi.org/"
}