@misc{Persson_Bodil_Some,
 author={Persson, Bodil and Fredrikson, Mats},
 copyright={Persson, Bodil},
 copyright={Fredrikson, Mats},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={eng},
 type={serial - article},
 type={language document},
 title={Some risk factors for non-Hodgkin's lymphoma},
}