@article{ref1,
title="Role and significance of laboratory diagnosis and prevention of occupational diseases and poisoning",
journal="Medicinski Glasnik",
year="1958",
author="Petrovic, L. and Stanković, M.",
volume="12",
number="9",
pages="383-388",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0025-8091",
doi="",
url="http://dx.doi.org/"
}