@article{ref1,
title="Why we fight about black spots",
journal="Injury prevention",
year="2006",
author="Jacobsen, P. L.",
volume="12",
number="6",
pages="356-357",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1353-8047",
doi="10.1136/ip.2006.014290",
url="http://dx.doi.org/10.1136/ip.2006.014290"
}