Krulyk, Nazarii, and Iryna Halabitska. “Nasopharynx Microflora Features and Its Role in the Spread of Nosocomial Infection”. Journal of Education, Health and Sport 12, no. 11 (October 20, 2022): 54–57. Accessed April 18, 2024. https://apcz.umk.pl/JEHS/article/view/40523.