@article{ref1,
title="The Johnstown flood: an unnatural disaster",
journal="Epidemiology",
year="2008",
author="Winkelstein, W.",
volume="19",
number="1",
pages="163-163",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1044-3983",
doi="10.1097/EDE.0b013e31815c4d46",
url="http://dx.doi.org/10.1097/EDE.0b013e31815c4d46"
}