@article{ref1,
title="Fatal anterior chest trauma in karate trainers",
journal="Medicine and science in sports",
year="1975",
author="Schmidt, Richard J.",
volume="7",
number="1",
pages="59-61",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0025-7990",
doi="",
url="http://dx.doi.org/"
}