Knysh, O. V., M. S. Pogorila, and Y. V. Voyda. 2020. “In Vitro Immunomodulatory Effect of Bifidobacterium Bifidum and Lactobacillus Reuteri Cell Free Extracts ”. Regulatory Mechanisms in Biosystems 11 (1), 93-97. https://doi.org/10.15421/022013.