@misc{Boczkowski_Andrzej._Occupational,
 author={Boczkowski, Andrzej.},
 copyright={Nofer Institute of Occupational Medicine},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={pol, eng},
 type={language document},
 type={serial - article},
 title={Occupational medicine physicians on their speciality. Conceptual framework of a research project and characteristics of population under study},
}