@article{ref1,
title="Painful shoulder in volley-ball players",
journal="Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca",
year="1961",
author="Kouba, R.",
volume="28",
number="",
pages="29-33",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0001-5415",
doi="",
url="http://dx.doi.org/"
}