@article{ref1,
title="The cleavage between theory and practice in occupational health research",
journal="Nordisk Medicin",
year="1972",
author="Karlsson, Y.",
volume="87",
number="6",
pages="179-180",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0029-1420",
doi="",
url="http://dx.doi.org/"
}