Knysh, O. V. 2019. “The Effects of Cell-Free Extracts Derived from Probiotic Strains Bifidobacterium Bifidum and Lactobacillus Reuteri on the Proliferation and Biofilm Formation by Lactobacillus Reuteri in Vitro”. Zaporozhye Medical Journal, no. 6 (December). https://doi.org/10.14739/2310-1210.2019.6.186711.