Medical aid costs of laparo-endoscopic biliary tract surgery.
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D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000191:economics; D017081:Cholecystectomy, Laparoscopic / Q000191:economics*; D002769:Cholelithiasis / Q000601:surgery*; D017048:Health Care Costs; D006801:Humans