Excision of Ampulla of Vater, Via Natural or Artificial Opening, Diagnostic
excision of ampulla of vater, via natural or artificial opening, diagnostic
Medical and Surgical @ Hepatobiliary System and Pancreas @ Excision @ Ampulla of Vater @ Via Natural or Artificial Opening @ No Device @ Diagnostic
medical and surgical @ hepatobiliary system and pancreas @ excision @ ampulla of vater @ via natural or artificial opening @ no device @ diagnostic