title: Cholecystectomy protects against extrahepatic bile duct cancer: is this a result of the removal of gallstones?
authors.affiliation: Division of Gastroenterology, University of Texas Medical Branch, Galveston 77555-0764.
authors.forename: D T
authors.initials: DT
authors.lastname: Walden
authors.forename: R D
authors.initials: RD
authors.lastname: Soloway
authors.forename: R S
authors.initials: RS
authors.lastname: Crowther
mesh_terms: D001650:Bile Duct Neoplasms / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D017734:Bile Ducts, Extrahepatic; D002763:Cholecystectomy; D002769:Cholelithiasis / Q000150:complications* / Q000453:epidemiology / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D012307:Risk Factors; D012737:Sex Factors