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