@article{ref1,
title="Injuries among young cyclists: The bicycle helmet could be improved",
journal="Lakartidningen",
year="1995",
author="Wahlberg, T. and af Wåhlberg, Anders E. and Bjornstig, Ulf",
volume="92",
number="7",
pages="658-661",
abstract="Abstract unavailable.",
language="",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}