@article{ref1,
title="Injuries by karate blows",
journal="Beitrage zur Gerichtlichen Medizin",
year="1981",
author="Brettel, H. F.",
volume="39",
number="",
pages="87-90",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0067-5016",
doi="",
url="http://dx.doi.org/"
}