@article{ref1,
title="Bicycle Attachments for Children: Bicycle Seats, Trail-a-bikes, and Trailers",
journal="Journal of Pediatric Health Care",
year="2009",
author="Murray, J. and Ryan-Krause, Patricia",
volume="23",
number="1",
pages="62-65",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0891-5245",
doi="10.1016/j.pedhc.2008.10.003",
url="http://dx.doi.org/10.1016/j.pedhc.2008.10.003"
}