@article{ref1,
title="Man in extreme environments",
journal="Lakartidningen",
year="1978",
author="Balldin, U.",
volume="75",
number="12",
pages="1171-1172",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}