@misc{Śliwińska-Kowalska_Mariola_Effects,
 author={Śliwińska-Kowalska, Mariola and Fiszer, Marta and Kotyło, Piotr and Ziatkowska, Emilia and Stępowska, Maja and Niebudek-Bogusz, Ewa},
 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={Effects of voice emission training on the improvement in voice organ function among students attending the college for teachers},
}