Explore the Effects and Mechanisms of ERCP and EST on Biliary Microecology

Conditions:   Cholangiopancreatography, Endoscopic Retrograde;   Choledocholithiasis;   Gallstones Intervention:   Other: Whether ERCP or EST is carried out Sponsor:   Qi-Yong Li Active, not recruiting

Source: ClinicalTrials.gov - October 25, 2022 Category: Research Source Type: clinical trials