Excision of Common Bile Duct, Via Natural or Artificial Opening Endoscopic
excision of common bile duct, via natural or artificial opening endoscopic
Medical and Surgical @ Hepatobiliary System and Pancreas @ Excision @ Common Bile Duct @ Via Natural or Artificial Opening Endoscopic @ No Device @ No Qualifier
medical and surgical @ hepatobiliary system and pancreas @ excision @ common bile duct @ via natural or artificial opening endoscopic @ no device @ no qualifier