@article{ref1,
title="Carbon monoxide and human health",
journal="Science",
year="1968",
author="Goldsmith, J. R. and Landaw, S. A.",
volume="162",
number="860",
pages="1352-1359",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="",
url="http://dx.doi.org/"
}