@article{ref1,
title="Oklahoma's medically restricted drivers. A study of selected medical conditions",
journal="Journal - Oklahoma State Medical Association",
year="1973",
author="Davis, T. G. and Wehling, E. H. and Carpenter, R. L.",
volume="66",
number="7",
pages="322-327",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0030-1876",
doi="",
url="http://dx.doi.org/"
}