For citations:

Tsikhan N.M., Lialikau S.A., Belevtsev M.V., Kupchynskaya A.N. Effect of mode of delivery and woman’s obstetric history on cytokine and immunoglobulins content in cord blood and breast milk. Health and Ecology Issues. 2025;22(4):45-52. (In Russ.) https://doi.org/10.51523/2708-6011.2025-22-4-06