@article{ref1,
title="Cross-country skiing. A benign sport?",
journal="JAMA journal of the American Medical Association",
year="1978",
author="Lyons, J. W. and Porter, R. E.",
volume="239",
number="4",
pages="334-335",
abstract="Cross-country skiing has been thought to be a safe sport, with few serious injuries and a preponderance of upper extremity injuries. Eleven cases of relatively severe injuries illustrate that this is not necessarily true.<p /><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}