@article{ref1,
title="Bumper fracture",
journal="Rinsho Hoshasen",
year="1973",
author="",
volume="18",
number="5",
pages="374-374",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0009-9252",
doi="",
url="http://dx.doi.org/"
}