@article{ref1,
title="Natural death at the wheel",
journal="JAMA journal of the American Medical Association",
year="1968",
author="Ryan, J. R. and Gilmore, A. E. and Nielsen, G. L. and West, I.",
volume="205",
number="5",
pages="266-271",
abstract="Abstract unavailable.",
language="",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}