title: Second opinions in laparoscopic cholecystectomy.
authors.forename: I S
authors.initials: IS
authors.lastname: Benjamin
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000706:statistics & numerical data; D017081:Cholecystectomy, Laparoscopic / Q000706:statistics & numerical data*; D006801:Humans