@article{ref1,
title="Impaired driving",
journal="Canadian Medical Association journal",
year="1977",
author="Simpson, Herb M.",
volume="116",
number="2",
pages="121-122",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0008-4409",
doi="",
url="http://dx.doi.org/"
}