@article{ref1,
title="Response to: Preventing penalty corner injuries and head trauma in field hockey-time to consider the power play?",
journal="British journal of sports medicine",
year="2016",
author="Rolle, Udo and Wefers Bettink, Peter",
volume="51",
number="2",
pages="140-140",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0306-3674",
doi="10.1136/bjsports-2016-096704",
url="http://dx.doi.org/10.1136/bjsports-2016-096704"
}