@misc{Kozajda_Anna_Activities, author={Kozajda, Anna and Szadkowska-StaƄczyk, Irena}, copyright={Nofer Institute of Occupational Medicine}, howpublished={online}, publisher={Nofer Institute of Occupational Medicine}, publisher={Polish Association of Occupational Medicine}, language={pol, eng}, type={serial - article}, type={language document}, title={Activities of the National Information Center for Biological Agents present at workplace and preliminary analysis of data collected by the National Register of Biological Agents.}, }