@article{ref1,
title="Motorcyclists' injuries",
journal="British medical journal: BMJ",
year="1977",
author="Avery, J. G.",
volume="2",
number="6079",
pages="119-119",
abstract="Abstract unavailable.",
language="",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}