PetruÅ¡ka*, P., E. TuÅ¡imová, A. Kalafová, P. Haščík, A. Kolesárová, and M. Capcarová. “EFFECT OF PROPOLIS IN CHICKEN DIET ON SELECTED PARAMETERS OF MINERAL PROFILE”. Journal of Microbiology, Biotechnology and Food Sciences, vol. 1, no. 4, Feb. 2012, pp. 593-00, https://office2.jmbfs.org/index.php/JMBFS/article/view/7253.