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Authors
Egorova, A. A.
Shtykalova, S. V.
Maretina, M. A.
Selyutin, A. V.
Shved, N. Yu.
Krylova, N. V.
Ilina, A. V.
Pyankov, I. A.
Freund, S. A.
Selkov, S. A.
Baranov, V. S.
Kiselev, A. V.
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Article History
Received: 14 November 2019
Revised: 19 December 2019
Accepted: 25 December 2019
First Online: 17 June 2020
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interest. The authors declare no conflict of interest.
: Statement of compliance with standards of research involving humans as subjects. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the ethical committee of the Ott Institute of Obstetrics, Gynecology, and Reproductology, and the voluntary informed consent was obtained from each patient.
