@article{ref1,
title="Etiology and degree of increased fragility of bones in senescence",
journal="Beitrage zur Orthopadie und Traumatologie",
year="1971",
author="Vinz, H. and Garz, K. F.",
volume="18",
number="7",
pages="383-390",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0005-8149",
doi="",
url="http://dx.doi.org/"
}