@article{ref1,
title="Safe biking--a bike helmet",
journal="Journal of Pediatric Health Care",
year="1987",
author="Hancock, L. A.",
volume="1",
number="6",
pages="334-334",
abstract="Abstract unavailable.",
language="",
issn="0891-5245",
doi="",
url="http://dx.doi.org/"
}