@article{ref1,
title="American Academy of Pediatrics Committee on Accident and Poison Prevention: Bicycle helmets",
journal="Pediatrics",
year="1990",
author="",
volume="85",
number="2",
pages="229-230",
abstract="Abstract unavailable.",
language="",
issn="0031-4005",
doi="",
url="http://dx.doi.org/"
}