@article{ref1,
title="Safety and piped medical gas supplies",
journal="Anaesthesia",
year="1978",
author="",
volume="33",
number="7",
pages="638-639",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-2409",
doi="",
url="http://dx.doi.org/"
}