@article{ref1,
title="A contact lens for the treatment of color vision defects",
journal="Military medicine",
year="1976",
author="Ditmars, D. L. and Keener, R. J.",
volume="141",
number="5",
pages="319-322",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}