@misc{Staniszewska_Maria_A._An,
 author={Staniszewska, Maria A. and Jankowski, Jerzy},
 copyright={Nofer Institute of Occupational Medicine},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={eng},
 title={An update of the frequency and type of diagnostic x-ray examinations in Poland},
 type={serial - article},
 type={language document},
}