@misc{Prof._Jolanta_Szymańska_M.D._Ph.D._(scentific_editor)_Modern,
 author={Prof. Jolanta Szymańska M.D., Ph.D. (scentific editor)},
 howpublished={online},
 publisher={Medical University of Lublin},
 language={eng},
 title={Modern dentistry - opportunities and challenges},
}