@article{ref1,
title="A young soccer player with sudden pain after kicking the ball",
journal="BMJ",
year="2015",
author="Lega, Sara and Rabach, Ingrid and Barbi, Egidio and Ventura, Alessandro",
volume="350",
number="",
pages="h1944-h1944",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-535X",
doi="",
url="http://dx.doi.org/"
}