Stan E.Ya., Ekimovskiĭ A.P. (1987) A peptide bioregulator from bovine kappa-casein. Voprosy Meditsinskoi Khimii, 33(1), 111-115.
Stan E.Ya. et al. A peptide bioregulator from bovine kappa-casein // Voprosy Meditsinskoi Khimii. - 1987. - V. 33. -N 1. - P. 111-115.
Stan E.Ya. et al., "A peptide bioregulator from bovine kappa-casein." Voprosy Meditsinskoi Khimii 33.1 (1987): 111-115.
Stan, E. Ya., Ekimovskiĭ, A. P. (1987). A peptide bioregulator from bovine kappa-casein. Voprosy Meditsinskoi Khimii, 33(1), 111-115.