@article{ref1,
title="Heart injuries--with special emphasis on non-penetrating injuries",
journal="Kyobu Geka",
year="1968",
author="",
volume="21",
number="6",
pages="454-457",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0021-5252",
doi="",
url="http://dx.doi.org/"
}