@article{ref1,
title="Mortality of older construction and craft workers employed at department of energy (DOE) nuclear sites",
journal="American journal of industrial medicine",
year="2009",
author="Dement, John M. and Ringen, Knut and Welch, Laura S. and Bingham, Eula and Quinn, Patricia",
volume="52",
number="9",
pages="671-682",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0271-3586",
doi="10.1002/ajim.20729",
url="http://dx.doi.org/10.1002/ajim.20729"
}