@article{ref1,
title="Physical fitness of commercial airline pilots",
journal="Sotilaslääketieteellinen Aikakauslehti",
year="1971",
author="Kumlin, T.",
volume="46",
number="3",
pages="88-94",
abstract="<p>[Abstract unavailable]</p><p>Language: fi</p>",
language="fi",
issn="0300-8797",
doi="",
url="http://dx.doi.org/"
}