@article{ref1,
title="Clay shoveler's fracture. A helpful diagnostic sign",
journal="American journal of roentgenology, radium therapy, and nuclear medicine",
year="1972",
author="Cancelmo, J. J.",
volume="115",
number="3",
pages="540-543",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9580",
doi="",
url="http://dx.doi.org/"
}