Excision of Lower Esophagus, Via Natural or Artificial Opening Endoscopic
excision of lower esophagus, via natural or artificial opening endoscopic
Medical and Surgical @ Gastrointestinal System @ Excision @ Esophagus, Lower @ Via Natural or Artificial Opening Endoscopic @ No Device @ No Qualifier
medical and surgical @ gastrointestinal system @ excision @ esophagus, lower @ via natural or artificial opening endoscopic @ no device @ no qualifier