Варжапетян, Сурен Диасович. “Ultrasound Diagnosis of the Traumatic Forms of Iatrogenic Maxillary Sinusitis of Stomatogenic Origin”. ScienceRise: Medical Science, no. 5 (1) (May 31, 2016): 4–8. Accessed May 5, 2024. https://journals.uran.ua/sr_med/article/view/70122.