@article{ref1,
title="Is natural turf a risk factor in football?",
journal="Journal of science and medicine in sport",
year="2016",
author="Waddington, Gordon Stuart",
volume="19",
number="7",
pages="515-515",
abstract="<p>[Abstract unavailable]  Keywords: Soccer</p> <p>Language: en</p>",
language="en",
issn="1440-2440",
doi="10.1016/j.jsams.2016.05.006",
url="http://dx.doi.org/10.1016/j.jsams.2016.05.006"
}