@article{ref1,
title="Jackhammer usage and the omentum",
journal="Journal of Occupational Medicine",
year="1989",
author="Wasserman, D. E.",
volume="31",
number="6",
pages="563-563",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-1736",
doi="",
url="http://dx.doi.org/"
}