@article{ref1,
title="Mechanical stress on the skeleton of children and adolescents through the practice of various sports",
journal="Pädiatrie und pädologie",
year="1977",
author="Huber, E. G. and Ginzel, H. and Tilscher, H.",
volume="12",
number="3",
pages="272-282",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0030-9338",
doi="",
url="http://dx.doi.org/"
}