@article{ref1,
title="Comment on occupant and licensing interventions",
journal="American journal of preventive medicine",
year="1999",
author="Williams, Allan F.",
volume="16",
number="1 Suppl",
pages="6-8",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0749-3797",
doi="",
url="http://dx.doi.org/"
}