@article{ref1,
title="C. Expert testimony on the ability to attend school and on the fitness for sports. Fitness for sports in orthopedic diseases and in changes of the spinal region",
journal="Beitrage zur Orthopadie und Traumatologie",
year="1975",
author="Schmidt, H.",
volume="22",
number="2",
pages="123-128",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0005-8149",
doi="",
url="http://dx.doi.org/"
}