@article{ref1,
title="Bicycle helmets: Don't say something by not saying something",
journal="Clinical journal of sport medicine",
year="2013",
author="Maitland, Murray E.",
volume="23",
number="6",
pages="415-416",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1050-642X",
doi="10.1097/JSM.0000000000000037",
url="http://dx.doi.org/10.1097/JSM.0000000000000037"
}