@article{ref1,
title="Nitrous oxide in asphyxia",
journal="Dent Regist",
year="1863",
author="Ziegler, Geo J.",
volume="17",
number="4",
pages="163-165",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}