@article{ref1,
title="Using Roadblocks to Reduce Drunk Driving: Public Health or Law and Order",
journal="American journal of public health",
year="1984",
author="Christoffel, Thomas H.",
volume="74",
number="9",
pages="1028-1030",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}