Lyubchenko, Olga, and Larysa Severyn. “Biochemical Parameters of Oral Fluid in Infants With Respiratory System Diseases (RSD)”. ScienceRise: Medical Science, no. 2 (29) (April 2, 2019): 41–44. Accessed November 23, 2024. https://journals.uran.ua/sr_med/article/view/161854.