@article{ref1,
title="The accuracy of certified causes of death",
journal="Public health reports (1896)",
year="1938",
author="",
volume="53",
number="5",
pages="172-205",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0094-6214",
doi="10.2307/4582449",
url="http://dx.doi.org/10.2307/4582449"
}