For citations:
Zubavina K.V., Nazarov S.B., Malyshkina A.I., Akimova A.A., Khuraseva A.B. Physiological indices of biological age in pregnant women of various age groups. Obstetrics, Gynecology and Reproduction. 2018;12(2):5-11. (In Russ.) https://doi.org/10.17749/2313-7347.2018.12.2.005-011

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