@article{ref1,
title="Carbon monoxide and noise exposure at a monster truck and motocross show",
journal="Applied occupational and environmental hygiene",
year="1999",
author="Morley, J. C. and Seitz, T. and Tubbs, R.",
volume="14",
number="10",
pages="645-655",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1047-322X",
doi="",
url="http://dx.doi.org/"
}