@article{ref1,
title="Traffic medicine. 1. security in traffic--a question for the social department",
journal="Lakartidningen",
year="1971",
author="Lindgren, S.",
volume="68",
number="16",
pages="1859-1862",
abstract="Abstract unavailable.",
language="",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}