@misc{Lewczuk_Ewa_A,
 author={Lewczuk, Ewa and Affelska-Jercha, Anna},
 copyright={Lewczuk, Ewa},
 copyright={Affelska-Jercha, Anna},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={pol, eng},
 type={language document},
 type={serial - article},
 title={A case of lung silicosis associated with plasmocytoma: the diagnosis and certification difficulties},
}