title: Operative cholangiography cost-effectiveness--routine versus selective utilization.
mesh_terms: D000368:Aged; D001652:Bile Ducts / Q000503:physiopathology; D002758:Cholangiography / Q000191:economics; D002760:Cholangiopancreatography, Endoscopic Retrograde; D002769:Cholelithiasis / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery; D003362:Cost-Benefit Analysis; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007432:Intraoperative Period; D008297:Male; D011446:Prospective Studies; D012189:Retrospective Studies