@article{ref1,
title="Fire department sets example for respiratory protection evaluation",
journal="Occupational health and safety",
year="1986",
author="Hills, M.",
volume="55",
number="9",
pages="36-38",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}