@misc{Zejda_Jan_E._Cervical, author={Zejda, Jan E. and Stasiów, Bartłomiej}, copyright={Zejda, Jan E.}, copyright={Stasiów, Bartłomiej}, howpublished={online}, publisher={Nofer Institute of Occupational Medicine}, publisher={Polish Association of Occupational Medicine}, language={eng}, title={Cervical spine degenerative changes (narrowed itnervertebral disc spaces and osteophytes) in coal miners}, type={serial - article}, type={language document}, }