@article{ref1,
title="Injuries of professional football",
journal="Nursing times",
year="1977",
author="Woolstone, A. S.",
volume="73",
number="20",
pages="728-729",
abstract="<p>[Abstract unavailable]  Keywords: Soccer </p> <p>Language: en</p>",
language="en",
issn="0954-7762",
doi="",
url="http://dx.doi.org/"
}