Supporting Agencies

Yi Liu
Department of Gastrointestinal Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China.
China
Lunhui Zhang
Department of Gastrointestinal Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China.
China
Liang Xu
Department of Gastrointestinal Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China.
China
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