@article{ref1,
title="Orbital fractures and their classification. A review",
journal="Ceskoslovenska Stomatologie",
year="1977",
author="Jirava, E.",
volume="77",
number="5",
pages="385-392",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0009-0654",
doi="",
url="http://dx.doi.org/"
}