@article{ref1,
title="Injuries of jaws and teeth in athletics",
journal="Czasopismo stomatologiczne",
year="1952",
author="Kychalska, Z.",
volume="5",
number="5",
pages="122-135",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="0011-4553",
doi="",
url="http://dx.doi.org/"
}