@article{ref1,
title="Non-traumatic incidents during skiing",
journal="Journal of sports medicine and physical fitness",
year="1972",
author="Prokop, L.",
volume="12",
number="7",
pages="219-223",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4707",
doi="",
url="http://dx.doi.org/"
}