@article{ref1,
title="Patterns of legal drug use by older Americans",
journal="Addictive diseases",
year="1978",
author="Guttmann, D.",
volume="3",
number="3",
pages="337-356",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-0267",
doi="",
url="http://dx.doi.org/"
}