@article{ref1,
title="Letter: Heart disease and driving",
journal="New Zealand medical journal",
year="1974",
author="Simpson, F. O.",
volume="79",
number="517",
pages="1035-1035",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-8446",
doi="",
url="http://dx.doi.org/"
}