@article{ref1,
title="Sport accidents and their social significance",
journal="Munchener Medizinische Wochenschrift",
year="1957",
author="Müller, E.",
volume="99",
number="44",
pages="1641-1643",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0027-2973",
doi="",
url="http://dx.doi.org/"
}