@article{ref1,
title="Fitness to drive: additional guidance on 1. cardiac conditions",
journal="Health bulletin",
year="1981",
author="Oliver, Mark and Somerville, W.",
volume="39",
number="2",
pages="80-81",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0374-8014",
doi="",
url="http://dx.doi.org/"
}