I. Glaza, K. Pietkun, R. Szadujkis-Szadurski, K. Nowacka, M. Hagner-Derengowska, and M. Nowacki, “Probiotics in food. important preventive factor in children allergy, or a controversial add-on? review of the literature”, MBS, vol. 26, no. 2, pp. 85–88, Jun. 2012.