@article{ref1,
title="Cerebro-retinal degeneration due to carbon dioxide poisoning",
journal="British journal of ophthalmology",
year="1967",
author="Sevel, D. and Freedman, A.",
volume="51",
number="7",
pages="475-482",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1161",
doi="",
url="http://dx.doi.org/"
}