@article{ref1,
title="The etiology and treatment of tennis elbow",
journal="Journal of sports medicine",
year="1974",
author="Nirschl, R. P.",
volume="2",
number="6",
pages="308-323",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-4201",
doi="",
url="http://dx.doi.org/"
}