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. 2023 Feb 3;10:1124955. doi: 10.3389/fsurg.2023.1124955

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© 2023 Nie, Fu and Fang.

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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Forest plot of clearance rate of choledocholithiasis. (A) the pooled RR value of eight trials. (B) the pooled RR value of six trials after excluding two studys (Morino 2006 and Sahoo 2014).