@article{ref1,
title="The Silver Bridge disaster",
journal="West Virginia medical journal",
year="1968",
author="Clarke, O. W.",
volume="64",
number="7",
pages="262-266",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0043-3284",
doi="",
url="http://dx.doi.org/"
}