Khizhnyak, O. “Immunobiological Properties of Medicinal Product Obtained on the Basis of Strains of Bifidobacteria and Lactobacilli”. Annals of Mechnikov’s Institute, no. 2 (July 14, 2020): 49–53. Accessed January 20, 2026. https://journals.uran.ua/ami/article/view/207959.