@article{ref1,
title="Accidents with oxygen tanks",
journal="Pflege Aktuell",
year="1998",
author="",
volume="52",
number="7-8",
pages="432-433",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0944-8918",
doi="",
url="http://dx.doi.org/"
}