@article{ref1,
title="Traumatic injuries in football",
journal="Revista brasileira de medicina",
year="1969",
author="Pinto, J. R.",
volume="26",
number="7",
pages="389-394",
abstract="<p>[Abstract unavailable]  Keywords: Soccer </p> <p>Language: pt</p>",
language="pt",
issn="0034-7264",
doi="",
url="http://dx.doi.org/"
}