@article{ref1,
title="Gass accidents",
journal="Tidsskrift for den Norske Laegeforening",
year="1975",
author="Halvorsen, Sverre",
volume="95",
number="8-9",
pages="539-541",
abstract="<p>[Abstract unavailable]</p><p>Language: no</p>",
language="no",
issn="0029-2001",
doi="",
url="http://dx.doi.org/"
}