Ovcharenko, L. S., A. A. Vertehel, T. G. Andrienko, I. V. Samokhin, A. V. Kryazhev, and O. V. Timoshina. 2020. “Mucoactive Therapy for Impaired Respiratory Function in Children With Acute Bronchitis”. Modern Medical Technology, no. 4 (December):47-51. https://doi.org/10.34287/MMT.4(47).2020.8.