Rusnak F.I., Tsybysheva A.K., Pinelis V.G., Litvinova N.N. (1992) Impaired metabolism of vitamin D and use of its metabolites in chronic kidney diseases in children. Voprosy Meditsinskoi Khimii, 38(4), 52-57.

Rusnak F.I. et al. Impaired metabolism of vitamin D and use of its metabolites in chronic kidney diseases in children // Voprosy Meditsinskoi Khimii. - 1992. - V. 38. -N 4. - P. 52-57.

Rusnak F.I. et al., "Impaired metabolism of vitamin D and use of its metabolites in chronic kidney diseases in children." Voprosy Meditsinskoi Khimii 38.4 (1992): 52-57.

Rusnak, F. I., Tsybysheva, A. K., Pinelis, V. G., Litvinova, N. N. (1992). Impaired metabolism of vitamin D and use of its metabolites in chronic kidney diseases in children. Voprosy Meditsinskoi Khimii, 38(4), 52-57.