Objective: To investigate the changes of the interdigestive migrating motor complex (MMC) of the small intestine and bile acid in the bile, and their effects on the gallstone during its formation.

• 摘要目的：研究结石形成中，小肠消化间期移行性复合波(MMC)与胆汁中胆汁酸的变化对胆结石形成的影响。