@article{ref1,
title="A diagnosis code for use in tabulating morbidity statistics",
journal="Public health reports (1896)",
year="1940",
author="Parran, Thomas and Austin, William L.",
volume="55",
number="35",
pages="1558-1575",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0094-6214",
doi="10.2307/4583426",
url="http://dx.doi.org/10.2307/4583426"
}