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. 2023 Oct 6;9(10):802. doi: 10.3390/gels9100802

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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The morphological and functional recovery of the kidney of diabetic rats in the 6th week after treatment was confirmed by (A) 2D ultrasound imaging, (B) color Doppler imaging, (C) the calculated kidney volume based on 2D ultrasound imaging, (D) the calculated kidney weight/body weight ratio, and (E) the calculated resistance index in the 4th and 6th weeks based on color Doppler flow image (* p < 0.05; ** p < 0.01, compared to the control group; # p < 0.05, compared to the group treated with hydrogel incorporating insulin and liraglutide). Reprinted from [150], copyright (2021), with permission from Elsevier.