@article{ref1,
title="Sports injuries: rugby league may be less dangerous than union",
journal="Practitioner",
year="1985",
author="Walker, R. D.",
volume="229",
number="1401",
pages="205-206",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-6518",
doi="",
url="http://dx.doi.org/"
}