@article{ref1,
title="Nitrogen dioxide intoxication after a mining accident",
journal="Respiration: international review of thoracic diseases",
year="1969",
author="Muller, B.",
volume="26",
number="4",
pages="249-261",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-7931",
doi="",
url="http://dx.doi.org/"
}