@article{ref1,
title="Exercise therapy at the working site within the scope of psycho-prevention",
journal="Zeitschrift fur Arztliche Fortbildung (Jena)",
year="1976",
author="Kiesel, A. and Böttcher, H. F.",
volume="70",
number="5",
pages="252-254",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-2178",
doi="",
url="http://dx.doi.org/"
}