THE FIRST CASE REPORT ABOUT NONINVASIVE IMPRESSION TAKING IN ORTHODONTIC PATIENT WITH EPIDERMOLYSIS BULLOSA ArticleVolovikov O., Velichko E., Razumova S., Said O.B.Journal of International Dental and Medical Research. Том 14. 2021. С. 1587-1591
ACADEMIC STRESS IN ORAL DISEASES OF STUDENTS ArticleMkhoyan G., Velichko E., Said O.B., Serebrov D.Journal of International Dental and Medical Research. Том 14. 2021. С. 790-796
EVALUATION OF THE CHANGES OF SALIVARY PH AMONG DENTAL STUDENTS DEPENDING ON THEIR ANXIETY LEVEL ArticleSaid O.B., Razumova S., Velichko E., Tikhonova S., Barakat H.European Journal of Dentistry. Том 14. 2020. С. 605-612