@article{ref1,
title="Carbon monoxide: association of community air pollution with mortality",
journal="Science",
year="1971",
author="Hexter, A. C. and Goldsmith, J. R.",
volume="172",
number="980",
pages="265-267",
abstract="Regression analysis of daily mortality in Los Angeles County shows that there is a significant association between community carbon monoxide concentrations and mortality. Cyclic variation and maximum temperature were the main contributors. No association was demonstrated between oxidant and mortality.<p /><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="",
url="http://dx.doi.org/"
}