@article{ref1,
title="Bicycle-related injuries: data from the National Electronic Injury Surveillance System",
journal="MMWR: Morbidity and mortality weekly report",
year="1987",
author="Centers for Disease Control and Prevention, USA, ",
volume="36",
number="17",
pages="269-271",
abstract="Abstract unavailable.",
language="en",
issn="0149-2195",
doi="",
url="http://dx.doi.org/"
}