@article{ref1,
title="Childhood bicycle injuries. What can we do?",
journal="American journal of diseases of children (1960)",
year="1987",
author="Weiss, Barry D.",
volume="141",
number="2",
pages="135-136",
abstract="Abstract unavailable",
language="",
issn="0002-922X",
doi="",
url="http://dx.doi.org/"
}