@article{ref1,
title="An evidence-based review: helmet efficacy to reduce head injury and mortality in motorcycle crashes: East practice management guidelines",
journal="Journal of trauma",
year="2010",
author="MacLeod, Jana B. A. and Digiacomo, J. Christopher and Tinkoff, Glen",
volume="69",
number="5",
pages="1101-1111",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-5282",
doi="10.1097/TA.0b013e3181f8a9cc",
url="http://dx.doi.org/10.1097/TA.0b013e3181f8a9cc"
}