@article{ref1,
title="Medical contributions in traffic safety",
journal="Social-Medicinsk Tidskrift",
year="1957",
author="Ygberg, N. H.",
volume="34",
number="8",
pages="351-353",
abstract="Abstract unavailable.",
language="",
issn="0037-833X",
doi="",
url="http://dx.doi.org/"
}