“State of Cytokine Profile of the Immune System in Patients With Acute Purulent Otitis Media, Developed Against the Background of Chronic Viral Hepatitis B ”. 2024. American Journal of Pediatric Medicine and Health Sciences (2993-2149) 2 (5): 11-14. https://grnjournal.us/index.php/AJPMHS/article/view/4576.