Grigorov, S., D. Demyanyk, and O. Voloshan. “Retrospective Clinical Anamnestic and Radiographic Characteristics of Patients With Various Forms of Odontogenic Maxillary Sinusitis”. Experimental and Clinical Medicine, Vol. 81, no. 4, July 2020, pp. 76-81, https://ecm.knmu.edu.ua/article/view/388.