@article{ref1,
title="Experimental studies in the effect of carbon monoxide from automobile exhausts on the health of traffic policemen",
journal="Zeitschrift fur die Gesamte Hygiene und Ihre Grenzgebiete",
year="1971",
author="Lüderitz, P.",
volume="17",
number="9",
pages="645-646",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0049-8610",
doi="",
url="http://dx.doi.org/"
}