@article{ref1,
title="Associations between graduated driver licensing restrictions and delay in driving licensure among U.S. high school students  [conference abstract]",
journal="Traffic injury prevention",
year="2019",
author="Vaca, Federico E. and Li, Kaigang and Fell, James C. and Haynie, Denise and Simons-Morton, Bruce and Romano, Eduardo O.",
volume="20",
number="Suppl 2",
pages="S209-S210",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1538-9588",
doi="10.1080/15389588.2019.1665427",
url="http://dx.doi.org/10.1080/15389588.2019.1665427"
}