@misc{Kowalczyk_Grażyna_Polish, author={Kowalczyk, Grażyna and Przyłuska, Jolanta}, copyright={Nofer Institute of Occupational Medicine}, howpublished={online}, publisher={Nofer Institute of Occupational Medicine}, publisher={Polish Association of Occupational Medicine}, language={eng}, type={serial - article}, type={language document}, title={Polish bibliography of occupational medicine, 2001}, }