@article{ref1,
title="Medical standards for licensing drivers of federally owned motor vehicles",
journal="Southern medical journal",
year="1957",
author="Harvey, V. K.",
volume="50",
number="7",
pages="949-953",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-4348",
doi="",
url="http://dx.doi.org/"
}