@article{ref1,
title="Work safety organization, additional effective possibilities",
journal="Sairaanhoitaja",
year="1977",
author="Valkonen, I.",
volume="53",
number="20",
pages="10-11",
abstract="<p>[Abstract unavailable]</p><p>Language: fi</p>",
language="fi",
issn="0036-3278",
doi="",
url="http://dx.doi.org/"
}