@article{ref1,
title="Blindness prevention: victim of scientific lag",
journal="Sight-saving review",
year="1973",
author="Leopold, I. H.",
volume="43",
number="2",
pages="81-85",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0037-4822",
doi="",
url="http://dx.doi.org/"
}