@article{ref1,
title="Changes in professional rugby and risk of injury in the youth game",
journal="BMJ",
year="2015",
author="Powell, D. E. B.",
volume="350",
number="",
pages="h424-h424",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-535X",
doi="",
url="http://dx.doi.org/"
}