@article{ref1,
title="Skiing as prevention and therapy",
journal="Medizinische Klinik [Urban und Schwarzenberg]",
year="1980",
author="Lagerstrøm, D.",
volume="75",
number="7",
pages="239-239",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0025-8458",
doi="",
url="http://dx.doi.org/"
}