Comparisin of Efficacy and Safety of One-stage LCBDE+LC and Sequential Two-stage ERCP/EST+LC in the Treatment of Cholecystolithiasis Complicated with Choledocholithiasis:a Meta-analysis 
LIN Qiuman,WANG Guiliang,WU Zaoxuan,ZHANG Xin,ZHONG Tingxi,GONG Min,LI Xing
Chinese General Practice . 2021, (14): 1805 -1812 .  DOI: 10.12114/j.issn.1007-9572.2021.00.462