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Article History

Received: 6 September 2022

Accepted: 28 March 2023

First Online: 12 April 2023

Declarations

:

: The animals were kept before and after the operation in accordance with the rules adopted by the European Convention for the Protection of Vertebrate Animals; and according to the National Institutes of Health Guide for the Care and Use of Laboratory Animals (NIH Publications no. 8023, revised 1978). All in vivo experiments were approved by the Ethics Committee of the Privolzhsky Research Medical University, Protocol no.17 dated October 11, 2019 (Nizhny Novgorod, Russia). Title of the approved project “Tissue engineering constructs based on heterogeneous matrices to stimulate vascularization and restore the morphofunctional characteristics of tissue in vivo”.

: Not applicable.

: The authors have declared that no competing interest exists.