@article{ref1,
title="Doctors' badges on automobiles",
journal="Ugeskrift for Laeger",
year="1971",
author="Bregnballe, G.",
volume="133",
number="21",
pages="1049-1049",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}