@article{ref1,
title="Stresses encountered in the trans-polar ski-trek",
journal="Arctic medical research",
year="1991",
author="Shephard, R. J.",
volume="",
number="Suppl",
pages="478-480",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0782-226X",
doi="",
url="http://dx.doi.org/"
}