. 2021 Sep 13;12:727419. doi: 10.3389/fendo.2021.727419
Copyright © 2021 Wang, Zhang, Li, Kong, Zheng, Li, Wei, Li, Yang, Xu, Li, Wang, Sun, Xia, Liu, Zhong, Qiu, Wang, Liu, Song, Xiong, Liu, Cui, Chen and Zeng
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Figure 1.
Flow diagram showing the patient selection process.