@article{ref1,
title="Stress fracture of the base of the acromial process",
journal="American journal of sports medicine",
year="1994",
author="Ward, W. G. and Bergfeld, J. A. and Carson, W. G.",
volume="22",
number="1",
pages="146-147",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0363-5465",
doi="",
url="http://dx.doi.org/"
}