Authors
Petya G. Kanazirska
Department of Imaging Diagnostics, Dental Allergology and Physical Therapy, Faculty of Dental Medicine, MU-Plovdiv
Mery A. Hristamyan-Cilev
Department of Epidemiology and Disaster Medicine, Faculty of Public Health, MU - Plovdiv
Nikolay D. Kanarinski
Department of Oral Surgery, Faculty of Dental Medicine, MU -Plovdiv