@article{ref1,
title="Causes of death in 1973",
journal="Deutsche Medizinische Wochenschrift",
year="1974",
author="",
volume="99",
number="30",
pages="1575-1575",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0012-0472",
doi="",
url="http://dx.doi.org/"
}