@article{ref1,
title="Nil nocere. Unusual potential injuries associated with the use of an exercise wheel",
journal="Munchener Medizinische Wochenschrift",
year="1970",
author="Schwermer, B.",
volume="112",
number="34",
pages="1510-1511",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0027-2973",
doi="",
url="http://dx.doi.org/"
}