@article{ref1,
title="Influence of traffic noise on mental health",
journal="Ugeskrift for Laeger",
year="1977",
author="Relster, E.",
volume="139",
number="9",
pages="549-552",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}