@article{ref1,
title="Too tired to drive?",
journal="Occupational health: a journal for occupational health nurses",
year="1987",
author="",
volume="39",
number="5",
pages="152-153",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0029-7917",
doi="",
url="http://dx.doi.org/"
}