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. 2023 May 8;14:1143535. doi: 10.3389/fendo.2023.1143535

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Copyright © 2023 Zeng, Liu, Li, Wei, Mao, Liu, Chen, Liu, Chen, Yang, Liu, Qiao, Zhang, Li, Dong and Zhong

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Flow diagram of the experimental design. DM, diabetes mellitus; ETDRS, Early Treatment Diabetic Retinopathy study; NC, normal control; DR, diabetic retinopathy; SS-OCTA, swept-source optic coherence tomography angiography; SVC, superficial vascular complex; DVC, deep vascular complex; VD, vascular density.