@article{ref1,
title="Do we know the risks?",
journal="Chest",
year="1995",
author="Lenox, R. J.",
volume="108",
number="6",
pages="1481-1482",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-3692",
doi="",
url="http://dx.doi.org/"
}