@article{ref1,
title="The relationship between anatomical site of injury and particular sports",
journal="Proceedings of the Royal Society of Medicine",
year="1969",
author="Frey, U.",
volume="62",
number="9",
pages="917-919",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-9157",
doi="",
url="http://dx.doi.org/"
}