@article{ref1,
title="On bone changes in caisson workers",
journal="Beitrage zur Orthopadie und Traumatologie",
year="1967",
author="Mach, J.",
volume="14",
number="4",
pages="219-223",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0005-8149",
doi="",
url="http://dx.doi.org/"
}