@article{ref1,
title="Counties with extreme death rates and associated factors",
journal="American journal of epidemiology",
year="1974",
author="Sauer, H. I. and Parke, D. W.",
volume="99",
number="4",
pages="258-264",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9262",
doi="",
url="http://dx.doi.org/"
}