@misc{Indulski_Janusz_A._Polish,
 author={Indulski, Janusz A. and Dawydzik, Lech T. and Michalak, Jacek},
 copyright={Nofer Institute of Occupational Medicine},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={eng},
 title={Polish approach to the quality assurance system in occupational health services},
 type={serial - article},
 type={language document},
}