@article{ref1,
title="Mountain climbing to great altitudes. Sports medicine aspects of expedition and trekking mountain climbing",
journal="Wiener Medizinische Wochenschrift",
year="1981",
author="Bergbold, F.",
volume="131",
number="12",
pages="305-310",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0043-5341",
doi="",
url="http://dx.doi.org/"
}