@article{ref1,
title="Cannabis and driving skills",
journal="Canadian Medical Association journal",
year="1972",
author="",
volume="107",
number="4",
pages="269-270",
abstract="<p>[Abstract unavailable]   Keywords: Cannabis impaired driving </p> <p>Language: en</p>",
language="en",
issn="0008-4409",
doi="",
url="http://dx.doi.org/"
}