@article{ref1,
title="Motorcycle helmet laws prevent injury and save lives: recommendation of the Community Preventive Services Task Force",
journal="American journal of preventive medicine",
year="2017",
author="Peng, Yinan",
volume="52",
number="6",
pages="817-819",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0749-3797",
doi="10.1016/j.amepre.2016.12.023",
url="http://dx.doi.org/10.1016/j.amepre.2016.12.023"
}