@article{ref1,
title="B. Expert testimony on work capacity. Problem of work capacity and its rehabilitation following injuries and diseases of the hip joint",
journal="Beitrage zur Orthopadie und Traumatologie",
year="1975",
author="Chapchal, G.",
volume="22",
number="2",
pages="116-118",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0005-8149",
doi="",
url="http://dx.doi.org/"
}