@article{ref1,
title="Use of legal substances within the general population: the sex and age variables",
journal="Addictive diseases",
year="1975",
author="Chambers, Christina D. and Griffey, M. S.",
volume="2",
number="1-2",
pages="7-19",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-0267",
doi="",
url="http://dx.doi.org/"
}