@article{ref1,
title="Accident prevention has been beneficial. a historical reflection and current update",
journal="Lakartidningen",
year="1999",
author="Björnstig, U.",
volume="96",
number="3",
pages="182-187",
abstract="<p>[Abstract unavailable]</p> <p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}