@article{ref1,
title="North Carolina pedestrian crash facts",
journal="North Carolina medical journal",
year="2012",
author="Blackburn, Lauren and Chaney, Helen and Braam, Cliff",
volume="73",
number="4",
pages="315-319",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0029-2559",
doi="",
url="http://dx.doi.org/"
}