@article{ref1,
title="Death by carbon monoxide poisoning due to use of a propane gas device",
journal="Munchener Medizinische Wochenschrift",
year="1957",
author="Spann, W.",
volume="99",
number="1",
pages="21-22",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0027-2973",
doi="",
url="http://dx.doi.org/"
}