N. O. Gevkaluk, and V. R. Machogan. “CHARACTERISTICS OF KEY FACTORS AFFECTING THE QUALITY OF FIXATION AND DURABILITY OF THE FUNCTIONING OF ARTIFICIAL CROWNS”. Eastern Ukrainian Medical Journal, Vol. 7, no. 4, Dec. 2019, pp. 329-35, https://eumj.med.sumdu.edu.ua/index.php/journal/article/view/53.