@article{ref1,
title="Adaptation of the femur to mechanical stress in juveniles and in the aged",
journal="Hefte zur Unfallheilkunde",
year="1975",
author="Kummer, B.",
volume="",
number="121",
pages="436-443",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}