Medical and Surgical @ Gastrointestinal System @ Excision @ Duodenum @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ gastrointestinal system @ excision @ duodenum @ via natural or artificial opening endoscopic @ no device
Medical and Surgical @ Gastrointestinal System @ Excision @ Duodenum @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ gastrointestinal system @ excision @ duodenum @ via natural or artificial opening endoscopic @ no device