@article{ref1,
title="Life-threatening tension pneumocephalus after nitrous oxide anaesthesia",
journal="Anaesthesia",
year="1992",
author="Sprehn, M. and Faber, T. and Osgaard, O.",
volume="47",
number="2",
pages="174-174",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-2409",
doi="",
url="http://dx.doi.org/"
}