@article{ref1,
title="Occupational exposure to cold is an underestimated problem",
journal="Lakartidningen",
year="1997",
author="Nystrand, A.",
volume="94",
number="46",
pages="4228, 4231-2",
abstract="Abstract unavailable.",
language="",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}