@misc{Różyło-Kalinowska_Ingrid_Optical,
 author={Różyło-Kalinowska, Ingrid and Namięta, Natalie and Portka, Katarzyna and Piskórz, Magdalena},
 howpublished={online},
 publisher={Medical University of Lublin},
 language={eng},
 title={Optical density of dental composite materials in digital radiographs},
}