Medical and Surgical @ Hepatobiliary System and Pancreas @ Destruction @ Ampulla of Vater @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ hepatobiliary system and pancreas @ destruction @ ampulla of vater @ via natural or artificial opening endoscopic @ no device
Medical and Surgical @ Hepatobiliary System and Pancreas @ Destruction @ Ampulla of Vater @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ hepatobiliary system and pancreas @ destruction @ ampulla of vater @ via natural or artificial opening endoscopic @ no device