For citations:
Provatar N.P., Kashirskaya E.I., Nikolaev A.A., Kashirskiy A.V. Iron indicators in the umbilical blood of premature children born using IVF technology. Astrakhan medical journal. 2023;18(1):66-71. (In Russ.) https://doi.org/10.29039/1992-6499-2023-1-66-71