@article{ref1,
title="Substance use and abuse among the community elderly: the medical aspect",
journal="Addictive diseases",
year="1978",
author="Chien, C. P. and Townsend, E. J. and Ross-Townsend, A.",
volume="3",
number="3",
pages="357-372",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-0267",
doi="",
url="http://dx.doi.org/"
}