@article{ref1,
title="Fracture of the clavicle in a newborn infant at the time of birth",
journal="Kango",
year="1972",
author="",
volume="24",
number="9",
pages="156-159",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0022-8362",
doi="",
url="http://dx.doi.org/"
}