@article{ref1,
title="Results of investigation on occupational trauma in rural areas",
journal="Medycyna pracy",
year="1954",
author="Jacyna-Onyszkiewicz, T. and Umiastowska, Z. and Gorecki, S.",
volume="5",
number="2",
pages="135-140",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0465-5893",
doi="",
url="http://dx.doi.org/"
}