@article{ref1,
title="The criteria for a recommended standard--occupational exposure to carbon monoxide. I. Recommendations for a carbon monoxide standard",
journal="Journal of Occupational Medicine",
year="1973",
author="Utidjian, H. M.",
volume="15",
number="5",
pages="446-451",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-1736",
doi="",
url="http://dx.doi.org/"
}