Zykova, N.; Kaprellyanz, L.; Petrosyants, A.; Zykov, A. Development of the Biotechnology for Obtaining a Dietary Supplement from the Selenium-Containing Probiotic Cultures Lactobacillus Acidophilus 412/307 and Bifidobacterium Bifidum 1. EEJET 2018, 1, 40-49.