@article{ref1,
title="Recent socioeconomic trends in orthopaedic practice",
journal="Journal of bone and joint surgery: American volume",
year="2001",
author="Herndon, J. H. and Davidson, S. M. and Apazidis, A.",
volume="83-A",
number="7",
pages="1097-1105",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0021-9355",
doi="",
url="http://dx.doi.org/"
}