@article{ref1,
title="The case against protan drivers holding professional driving licenses",
journal="Clinical and experimental optometry",
year="2002",
author="Vingrys, Algis Jonas",
volume="85",
number="1",
pages="46-48",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0816-4622",
doi="",
url="http://dx.doi.org/"
}