@article{ref1,
title="Smokers--hazards on road?",
journal="Canadian journal of public health",
year="1990",
author="Knott, V. J.",
volume="81",
number="5",
pages="400-401",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-4263",
doi="",
url="http://dx.doi.org/"
}