@article{ref1,
title="The spine and horseback riding",
journal="Schweizerische Zeitschrift fur Sportmedizin",
year="1975",
author="Hördegen, K. M.",
volume="23",
number="1",
pages="29-43",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0036-7885",
doi="",
url="http://dx.doi.org/"
}