1. Radzinskii V.E. Obstetric aggression. Moscow: Status Praesens; 2017. 872 р. (In Russ.).
2. Radzinskii V.E., Kostin I.N., Olenev A.S., Gagaev Ch.G., Parygina A.N., et al. Preterm delivery is an unsettled world problem. Akusherstvo i Ginekologiya: Novosti, Mneniya, Obuchenie, 2018; 6(S3): 5564 (In Russ., English abstract). DOI: 10.24411/23039698-2018-13909
3. Preterm birth. Clinical recommendations (approved by the Ministry of Health of Russia). Laws, codes and normative legal acts of the Russian Federation; 2016. [updated 24.06.2020]. URL: https://legalacts.ru/doc/klinicheskie-rekomendatsii-prezhdevremennye-rody-utv-minzdravom-rossii/ (In Russ.).
4. Kostin I.N., Knyazev S.A. Straight Talk. Status Praesens. Ginekologiya, Akusherstvo, Besplodnyi Brak. 2018; 6(53): 20–27 (In Russ.).
5. Hamilton B.E., Martin J.A., Osterman M.J., Curtin S.C., Matthews T.J. Births: Final Data for 2014. Natl. Vital. Stat. Rep. 2015; 64(12): 1–64.