Liu Chuan, Yang Jiahui, Wang Wancong, Mi Yang, Tang Youcai, Zheng Pengyuan
.Department of Gastroenterology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan Province, China.
.Marshall B.J.Medical Research Center of Zhengzhou University, Zhengzhou, 450052, Henan Province, China.
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