title: Primary vs. secondary common bile duct stones: apples and oranges.
authors.forename: E-J
authors.initials: EJ
authors.lastname: Chung
authors.forename: M-H
authors.initials: MH
authors.lastname: Kim
authors.forename: S S
authors.initials: SS
authors.lastname: Lee
authors.forename: S K
authors.initials: SK
authors.lastname: Lee
mesh_terms: D002763:Cholecystectomy; D042882:Gallstones / Q000145:classification / Q000601:surgery*; D006801:Humans; D012008:Recurrence; D012307:Risk Factors; D016717:Sphincterotomy, Endoscopic