@article{ref1,
title="Occupational injuries and accidents. Sociomedical problems",
journal="Annales Universitatis Mariae Curie-Sklodowska. Sectio D: Medicina",
year="1981",
author="Piatkowski, W.",
volume="36",
number="",
pages="269-275",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0066-2240",
doi="",
url="http://dx.doi.org/"
}