@article{ref1,
title="Trends in alcohol, smoking and drug use among employees",
journal="Medical journal of Australia",
year="1993",
author="Hocking, B. and Soares, A.",
volume="158",
number="2",
pages="136-136",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-729X",
doi="",
url="http://dx.doi.org/"
}