@article{ref1,
title="Major accidents and injuries in judo",
journal="Arizona medicine",
year="1965",
author="Koiwai, E. K.",
volume="22",
number="12",
pages="957-962",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-1556",
doi="",
url="http://dx.doi.org/"
}