@article{ref1,
title="Frequency of bleeding in football",
journal="Medical journal of Australia",
year="1993",
author="Seward, H. G. and Orchard, J. W. and Hazard, H. and Collinson, D. C.",
volume="159",
number="5",
pages="353-353",
abstract="<p>[Abstract unavailable]  Keywords: Australian football; Soccer; Rugby</p> <p>Language: en</p>",
language="en",
issn="0025-729X",
doi="",
url="http://dx.doi.org/"
}