@article{ref1,
title="Pneumatization of the optic nerve sheaths",
journal="Irish journal of medical science",
year="2007",
author="Kavanagh, E. C. and Fox, D. L. and Louis, L. and Graeb, D. A.",
volume="176",
number="3",
pages="245-246",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-1265",
doi="10.1007/s11845-007-0047-5",
url="http://dx.doi.org/10.1007/s11845-007-0047-5"
}