Kalinichenko, S. V., et al. “INFLUENCE OF LACTOBACILLUS SPP. ON COLONIZATION AND ANTI-INFECTIOUS RESISTANCE OF THE MUCOUS MEMBRANES OF THE UPPER RESPIRATORY TRACT”. International Journal of Medicine and Medical Research, vol. 3, no. 1, July 2017, pp. 50-52, doi:10.11603/ijmmr.2413-6077.2017.1.6955.