@article{ref1,
title="Chronic carbon monoxide poisoning",
journal="Medizinische Klinik [Urban und Schwarzenberg]",
year="1975",
author="Zorn, H.",
volume="70",
number="11",
pages="441-451",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0025-8458",
doi="",
url="http://dx.doi.org/"
}